This commit was manufactured by cvs2git to create tag 'BETA-2'.BETA-2

47 files changed, 0 insertions, 13057 deletions

diff --git a/client/dhclient.c b/client/dhclient.c
deleted file mode 100644
index 362b4c33..00000000
--- a/client/dhclient.c
+++ /dev/null
@@ -1,427 +0,0 @@
-/* dhcp.c
-
-   DHCP Client (really lame DHCP client). */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-TIME cur_time;
-TIME default_lease_time = 43200; /* 12 hours... */
-TIME max_lease_time = 86400; /* 24 hours... */
-struct tree_cache *global_options [256];
-
-struct iaddr server_identifier;
-int server_identifier_matched;
-
-#ifdef USE_FALLBACK
-struct interface_info fallback_interface;
-#endif
-
-u_int16_t server_port;
-int log_priority;
-
-int tline, tlpos;
-
-static void usage PROTO ((void));
-
-int main (argc, argv, envp)
-	int argc;
-	char **argv, **envp;
-{
-	struct in_addr addr;
-	int port = 0;
-	int i;
-	struct sockaddr_in name;
-	u_int32_t *addrlist = (u_int32_t *)0;
-	int addrcount = 0;
-	struct tree *addrtree = (struct tree *)0;
-	struct servent *ent;
-	int sock;
-	int pid;
-	int result;
-	int flag;
-	struct interface_info *interface;
-
-#ifdef SYSLOG_4_2
-	openlog ("dhclient", LOG_NDELAY);
-	log_facility = LOG_DAEMON;
-#else
-	openlog ("dhclient", LOG_NDELAY, LOG_DAEMON);
-#endif
-
-#ifndef	NO_PUTENV
-	/* ensure mktime() calls are processed in UTC */
-	putenv("TZ=GMT0");
-#endif /* !NO_PUTENV */
-
-#ifndef DEBUG
-	setlogmask (LOG_UPTO (LOG_INFO));
-#endif	
-
-	for (i = 1; i < argc; i++) {
-		if (!strcmp (argv [i], "-p")) {
-			if (++i == argc)
-				usage ();
-			server_port = htons (atoi (argv [i]));
-			debug ("binding to user-specified port %d",
-			       ntohs (server_port));
-#if 0
-		} else if (!strcmp (argv [i], "-a")) {
-			if (++i == argc)
-				usage ();
-			if (inet_aton (argv [i], &addr)) {
-				addrtree =
-					tree_concat (addrtree,
-						     tree_const
-						     ((unsigned char *)&addr,
-						      sizeof addr));
-			} else {
-				addrtree = tree_concat (addrtree,
-							tree_host_lookup
-							(argv [i]));
-			}
-#endif
-		} else
-			usage ();
-	}
-
-	/* Default to the DHCP/BOOTP port. */
-	if (!server_port)
-	{
-		ent = getservbyname ("dhcpc", "udp");
-		if (!ent)
-			server_port = htons (68);
-		else
-			server_port = ent -> s_port;
-		endservent ();
-	}
-  
-	/* Get the current time... */
-	GET_TIME (&cur_time);
-
-	/* Discover all the network interfaces and initialize them. */
-	discover_interfaces ();
-
-	for (interface = interfaces; interface; interface = interface -> next)
-		send_discover (interface);
-
-	/* Receive packets and dispatch them... */
-	dispatch ();
-
-	/* Not reached */
-	return 0;
-}
-
-static void usage ()
-{
-	error ("Usage: dhclient [-p <port>]");
-}
-
-void cleanup ()
-{
-}
-
-int commit_leases ()
-{
-	return 0;
-}
-
-int write_lease (lease)
-	struct lease *lease;
-{
-	return 0;
-}
-
-void db_startup ()
-{
-}
-
-void bootp (packet)
-	struct packet *packet;
-{
-	note ("BOOTREPLY from %s",
-	      print_hw_addr (packet -> raw -> htype,
-			     packet -> raw -> hlen,
-			     packet -> raw -> chaddr));
-}
-
-void dhcp (packet)
-	struct packet *packet;
-{
-note ("got a dhcp packet: %d", packet -> packet_type);
-	switch (packet -> packet_type) {
-	      case DHCPOFFER:
-		dhcpoffer (packet);
-		break;
-
-	      case DHCPNAK:
-		dhcpnak (packet);
-		break;
-
-	      case DHCPACK:
-		dhcpack (packet);
-		break;
-
-	      default:
-		break;
-	}
-}
-
-void dhcpoffer (packet)
-	struct packet *packet;
-{
-	note ("DHCPOFFER from %s",
-	      print_hw_addr (packet -> raw -> htype,
-			     packet -> raw -> hlen,
-			     packet -> raw -> chaddr));
-
-	dump_packet (packet);
-	send_request (packet);
-}
-
-void dhcpack (packet)
-	struct packet *packet;
-{
-	note ("DHCPACK from %s",
-	      print_hw_addr (packet -> raw -> htype,
-			     packet -> raw -> hlen,
-			     packet -> raw -> chaddr));
-	dump_packet (packet);
-}
-
-void dhcpnak (packet)
-	struct packet *packet;
-{
-	note ("DHCPNAK from %s",
-	      print_hw_addr (packet -> raw -> htype,
-			     packet -> raw -> hlen,
-			     packet -> raw -> chaddr));
-}
-
-static u_int8_t requested_options [] = {
-	DHO_DHCP_REQUESTED_ADDRESS,
-	DHO_SUBNET_MASK,
-	DHO_ROUTERS,
-	DHO_DOMAIN_NAME_SERVERS,
-	DHO_HOST_NAME,
-	DHO_DOMAIN_NAME,
-	DHO_BROADCAST_ADDRESS };
-
-void send_discover (interface)
-	struct interface_info *interface;
-{
-	struct sockaddr_in to;
-	int result;
-	struct dhcp_packet raw;
-	unsigned char discover = DHCPDISCOVER;
-	struct packet outgoing;
-
-	struct tree_cache *options [256];
-	struct tree_cache dhcpdiscover_tree;
-	struct tree_cache dhcprqo_tree;
-
-	memset (options, 0, sizeof options);
-	memset (&outgoing, 0, sizeof outgoing);
-	memset (&raw, 0, sizeof raw);
-	outgoing.raw = &raw;
-
-	/* Set DHCP_MESSAGE_TYPE to DHCPNAK */
-	options [DHO_DHCP_MESSAGE_TYPE] = &dhcpdiscover_tree;
-	options [DHO_DHCP_MESSAGE_TYPE] -> value = &discover;
-	options [DHO_DHCP_MESSAGE_TYPE] -> len = sizeof discover;
-	options [DHO_DHCP_MESSAGE_TYPE] -> buf_size = sizeof discover;
-	options [DHO_DHCP_MESSAGE_TYPE] -> timeout = 0xFFFFFFFF;
-	options [DHO_DHCP_MESSAGE_TYPE] -> tree = (struct tree *)0;
-
-	/* Set DHCP_MESSAGE to whatever the message is */
-	options [DHO_DHCP_MESSAGE] = &dhcprqo_tree;
-	options [DHO_DHCP_MESSAGE] -> value = requested_options;
-	options [DHO_DHCP_MESSAGE] -> len = sizeof requested_options;
-	options [DHO_DHCP_MESSAGE] -> buf_size = sizeof requested_options;
-	options [DHO_DHCP_MESSAGE] -> timeout = 0xFFFFFFFF;
-	options [DHO_DHCP_MESSAGE] -> tree = (struct tree *)0;
-
-	/* Set up the option buffer... */
-	cons_options ((struct packet *)0, &outgoing, options, 0);
-
-	memset (&raw.ciaddr, 0, sizeof raw.ciaddr);
-	memset (&raw.siaddr, 0, sizeof raw.siaddr);
-	memset (&raw.giaddr, 0, sizeof raw.giaddr);
-	memcpy (raw.chaddr,
-		interface -> hw_address.haddr, interface -> hw_address.hlen);
-	raw.hlen = interface -> hw_address.hlen;
-	raw.htype = interface -> hw_address.htype;
-
-	raw.xid = random ();
-	raw.secs = 1;
-	raw.flags = htons (BOOTP_BROADCAST);
-	raw.hops = 0;
-	raw.op = BOOTREQUEST;
-
-	/* Report what we're sending... */
-	note ("DHCPDISCOVER to %s", interface -> name);
-
-#ifdef DEBUG_PACKET
-	dump_packet (&outgoing);
-	dump_raw ((unsigned char *)&raw, outgoing.packet_length);
-#endif
-
-	/* Set up the common stuff... */
-	to.sin_family = AF_INET;
-#ifdef HAVE_SA_LEN
-	to.sin_len = sizeof to;
-#endif
-	memset (to.sin_zero, 0, sizeof to.sin_zero);
-
-	to.sin_addr.s_addr = htonl (INADDR_BROADCAST);
-	to.sin_port = htons (ntohs (server_port) - 1); /* XXX */
-
-	errno = 0;
-	result = send_packet (interface, (struct packet *)0,
-			      &raw, outgoing.packet_length,
-			      raw.siaddr, &to, (struct hardware *)0);
-	if (result < 0)
-		warn ("send_packet: %m");
-}
-
-void send_request (packet)
-	struct packet *packet;
-{
-	struct sockaddr_in to;
-	int result;
-	struct dhcp_packet raw;
-	unsigned char request = DHCPREQUEST;
-	struct packet outgoing;
-
-	struct tree_cache *options [256];
-	struct tree_cache dhcprequest_tree;
-	struct tree_cache dhcprqo_tree;
-	struct tree_cache dhcprqa_tree;
-	struct tree_cache dhcpsid_tree;
-
-	memset (options, 0, sizeof options);
-	memset (&outgoing, 0, sizeof outgoing);
-	memset (&raw, 0, sizeof raw);
-	outgoing.raw = &raw;
-
-	/* Set DHCP_MESSAGE_TYPE to DHCPNAK */
-	options [DHO_DHCP_MESSAGE_TYPE] = &dhcprequest_tree;
-	options [DHO_DHCP_MESSAGE_TYPE] -> value = &request;
-	options [DHO_DHCP_MESSAGE_TYPE] -> len = sizeof request;
-	options [DHO_DHCP_MESSAGE_TYPE] -> buf_size = sizeof request;
-	options [DHO_DHCP_MESSAGE_TYPE] -> timeout = 0xFFFFFFFF;
-	options [DHO_DHCP_MESSAGE_TYPE] -> tree = (struct tree *)0;
-
-	/* Set DHCP_MESSAGE to whatever the message is */
-	options [DHO_DHCP_MESSAGE] = &dhcprqo_tree;
-	options [DHO_DHCP_MESSAGE] -> value = requested_options;
-	options [DHO_DHCP_MESSAGE] -> len = sizeof requested_options;
-	options [DHO_DHCP_MESSAGE] -> buf_size = sizeof requested_options;
-	options [DHO_DHCP_MESSAGE] -> timeout = 0xFFFFFFFF;
-	options [DHO_DHCP_MESSAGE] -> tree = (struct tree *)0;
-
-	/* Request the address we were offered... */
-	options [DHO_DHCP_REQUESTED_ADDRESS] = &dhcprqa_tree;
-	options [DHO_DHCP_REQUESTED_ADDRESS] -> value = 
-		(unsigned char *)&packet -> raw -> yiaddr;
-	options [DHO_DHCP_REQUESTED_ADDRESS] -> len = 4;
-	options [DHO_DHCP_REQUESTED_ADDRESS] -> buf_size = 4;
-	options [DHO_DHCP_REQUESTED_ADDRESS] -> timeout = 0xFFFFFFFF;
-	options [DHO_DHCP_REQUESTED_ADDRESS] -> tree = (struct tree *)0;
-
-	/* Send back the server identifier... */
-        options [DHO_DHCP_SERVER_IDENTIFIER] = &dhcpsid_tree;
-        options [DHO_DHCP_SERVER_IDENTIFIER] -> value =
-                packet -> options [DHO_DHCP_SERVER_IDENTIFIER].data;
-        options [DHO_DHCP_SERVER_IDENTIFIER] -> len =
-                packet -> options [DHO_DHCP_SERVER_IDENTIFIER].len;
-        options [DHO_DHCP_SERVER_IDENTIFIER] -> buf_size =
-                packet -> options [DHO_DHCP_SERVER_IDENTIFIER].len;
-        options [DHO_DHCP_SERVER_IDENTIFIER] -> timeout = 0xFFFFFFFF;
-        options [DHO_DHCP_SERVER_IDENTIFIER] -> tree = (struct tree *)0;
-
-	/* Set up the option buffer... */
-	cons_options ((struct packet *)0, &outgoing, options, 0);
-
-	memset (&raw.ciaddr, 0, sizeof raw.ciaddr);
-	raw.siaddr = packet -> raw -> siaddr;
-	raw.giaddr = packet -> raw -> giaddr;
-	memcpy (raw.chaddr,
-		packet -> interface -> hw_address.haddr,
-		packet -> interface -> hw_address.hlen);
-	raw.hlen = packet -> interface -> hw_address.hlen;
-	raw.htype = packet -> interface -> hw_address.htype;
-
-	raw.xid = packet -> raw -> xid;
-	raw.secs = packet -> raw -> secs;
-	raw.flags = htons (BOOTP_BROADCAST);
-	raw.hops = packet -> raw -> hops;
-	raw.op = BOOTREQUEST;
-
-	/* Report what we're sending... */
-	note ("DHCPREQUEST to %s", packet -> interface -> name);
-
-#ifdef DEBUG_PACKET
-	dump_packet (&outgoing);
-	dump_raw ((unsigned char *)&raw, outgoing.packet_length);
-#endif
-
-	/* Set up the common stuff... */
-	to.sin_family = AF_INET;
-#ifdef HAVE_SA_LEN
-	to.sin_len = sizeof to;
-#endif
-	memset (to.sin_zero, 0, sizeof to.sin_zero);
-
-	to.sin_addr.s_addr = htonl (INADDR_BROADCAST);
-	to.sin_port = htons (ntohs (server_port) - 1); /* XXX */
-
-	errno = 0;
-	result = send_packet (packet -> interface, (struct packet *)0,
-			      &raw, outgoing.packet_length,
-			      raw.siaddr, &to, (struct hardware *)0);
-	if (result < 0)
-		warn ("send_packet: %m");
-}
diff --git a/common/alloc.c b/common/alloc.c
deleted file mode 100644
index a8ab1a62..00000000
--- a/common/alloc.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/* alloc.c
-
-   Memory allocation... */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-struct dhcp_packet *dhcp_free_list;
-struct packet *packet_free_list;
-
-VOIDPTR dmalloc (size, name)
-	int size;
-	char *name;
-{
-	VOIDPTR foo = (VOIDPTR)malloc (size);
-	if (!foo)
-		warn ("No memory for %s.", name);
-	return foo;
-}
-
-void dfree (ptr, name)
-	VOIDPTR ptr;
-	char *name;
-{
-	free (ptr);
-}
-
-struct packet *new_packet (name)
-	char *name;
-{
-	struct packet *rval;
-	rval = (struct packet *)dmalloc (sizeof (struct packet), name);
-	return rval;
-}
-
-struct dhcp_packet *new_dhcp_packet (name)
-	char *name;
-{
-	struct dhcp_packet *rval;
-	rval = (struct dhcp_packet *)dmalloc (sizeof (struct dhcp_packet),
-					      name);
-	return rval;
-}
-
-struct tree *new_tree (name)
-	char *name;
-{
-	struct tree *rval = dmalloc (sizeof (struct tree), name);
-	return rval;
-}
-
-struct tree_cache *new_tree_cache (name)
-	char *name;
-{
-	struct tree_cache *rval = dmalloc (sizeof (struct tree_cache), name);
-	return rval;
-}
-
-struct hash_table *new_hash_table (count, name)
-	int count;
-	char *name;
-{
-	struct hash_table *rval = dmalloc (sizeof (struct hash_table)
-					   - (DEFAULT_HASH_SIZE
-					      * sizeof (struct hash_bucket *))
-					   + (count
-					      * sizeof (struct hash_bucket *)),
-					   name);
-	rval -> hash_count = count;
-	return rval;
-}
-
-struct hash_bucket *new_hash_bucket (name)
-	char *name;
-{
-	struct hash_bucket *rval = dmalloc (sizeof (struct hash_bucket), name);
-	return rval;
-}
-
-struct lease *new_leases (n, name)
-	int n;
-	char *name;
-{
-	struct lease *rval = dmalloc (n * sizeof (struct lease), name);
-	return rval;
-}
-
-struct lease *new_lease (name)
-	char *name;
-{
-	struct lease *rval = dmalloc (sizeof (struct lease), name);
-	return rval;
-}
-
-struct subnet *new_subnet (name)
-	char *name;
-{
-	struct subnet *rval = dmalloc (sizeof (struct subnet), name);
-	return rval;
-}
-
-struct class *new_class (name)
-	char *name;
-{
-	struct class *rval = dmalloc (sizeof (struct class), name);
-	return rval;
-}
-
-struct shared_network *new_shared_network (name)
-	char *name;
-{
-	struct shared_network *rval =
-		dmalloc (sizeof (struct shared_network), name);
-	return rval;
-}
-
-void free_shared_network (ptr, name)
-	struct shared_network *ptr;
-	char *name;
-{
-	dfree ((VOIDPTR)ptr, name);
-}
-
-void free_class (ptr, name)
-	struct class *ptr;
-	char *name;
-{
-	dfree ((VOIDPTR)ptr, name);
-}
-
-void free_subnet (ptr, name)
-	struct subnet *ptr;
-	char *name;
-{
-	dfree ((VOIDPTR)ptr, name);
-}
-
-void free_lease (ptr, name)
-	struct lease *ptr;
-	char *name;
-{
-	dfree ((VOIDPTR)ptr, name);
-}
-
-void free_hash_bucket (ptr, name)
-	struct hash_bucket *ptr;
-	char *name;
-{
-	dfree ((VOIDPTR)ptr, name);
-}
-
-void free_hash_table (ptr, name)
-	struct hash_table *ptr;
-	char *name;
-{
-	dfree ((VOIDPTR)ptr, name);
-}
-
-void free_tree_cache (ptr, name)
-	struct tree_cache *ptr;
-	char *name;
-{
-	dfree ((VOIDPTR)ptr, name);
-}
-
-void free_packet (ptr, name)
-	struct packet *ptr;
-	char *name;
-{
-	dfree ((VOIDPTR)ptr, name);
-}
-
-void free_dhcp_packet (ptr, name)
-	struct dhcp_packet *ptr;
-	char *name;
-{
-	dfree ((VOIDPTR)ptr, name);
-}
-
-void free_tree (ptr, name)
-	struct tree *ptr;
-	char *name;
-{
-	dfree ((VOIDPTR)ptr, name);
-}
diff --git a/common/bpf.c b/common/bpf.c
deleted file mode 100644
index 526fed08..00000000
--- a/common/bpf.c
+++ /dev/null
@@ -1,369 +0,0 @@
-/* bpf.c
-
-   BPF socket interface code, originally contributed by Archie Cobbs. */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-#if defined (USE_BPF_SEND) || defined (USE_BPF_RECEIVE)
-#include <sys/ioctl.h>
-#include <sys/uio.h>
-
-#include <net/bpf.h>
-#ifdef NEED_OSF_PFILT_HACKS
-#include <net/pfilt.h>
-#endif
-#include <netinet/in_systm.h>
-#include "includes/netinet/ip.h"
-#include "includes/netinet/udp.h"
-#include "includes/netinet/if_ether.h"
-
-/* Called by get_interface_list for each interface that's discovered.
-   Opens a packet filter for each interface and adds it to the select
-   mask. */
-
-int if_register_bpf (info, ifp)
-	struct interface_info *info;
-	struct ifreq *ifp;
-{
-	int sock;
-	char filename[50];
-	int b;
-
-	/* Open a BPF device */
-	for (b = 0; 1; b++) {
-#ifndef NO_SNPRINTF
-		snprintf(filename, sizeof(filename), BPF_FORMAT, b);
-#else
-		sprintf(filename, BPF_FORMAT, b);
-#endif
-		sock = open (filename, O_RDWR, 0);
-		if (sock < 0) {
-			if (errno == EBUSY) {
-				continue;
-			} else {
-				error ("Can't find free bpf: %m");
-			}
-		} else {
-			break;
-		}
-	}
-
-	/* Set the BPF device to point at this interface. */
-	if (ioctl (sock, BIOCSETIF, ifp) < 0)
-		error ("Can't attach interface to bpf device: %m");
-
-	return sock;
-}
-#endif /* USE_BPF_SEND || USE_BPF_RECEIVE */
-
-#ifdef USE_BPF_SEND
-void if_register_send (info, interface)
-	struct interface_info *info;
-	struct ifreq *interface;
-{
-	/* If we're using the bpf API for sending and receiving,
-	   we don't need to register this interface twice. */
-#ifndef USE_BPF_RECEIVE
-	info -> wfdesc = if_register_bpf (info, interface);
-#else
-	info -> wfdesc = info -> rfdesc;
-#endif
-	note ("Sending on   BPF/%s/%s/%s",
-	      info -> name,
-	      print_hw_addr (info -> hw_address.htype,
-			     info -> hw_address.hlen,
-			     info -> hw_address.haddr),
-	      (info -> shared_network ?
-	       info -> shared_network -> name : "unattached"));
-}
-#endif /* USE_BPF_SEND */
-
-#ifdef USE_BPF_RECEIVE
-/* Packet filter program...
-   XXX Changes to the filter program may require changes to the constant
-   offsets used in if_register_send to patch the BPF program! XXX */
-
-struct bpf_insn filter [] = {
-	/* Make sure this is an IP packet... */
-	BPF_STMT (BPF_LD + BPF_H + BPF_ABS, 12),
-	BPF_JUMP (BPF_JMP + BPF_JEQ + BPF_K, ETHERTYPE_IP, 0, 8),
-
-	/* Make sure it's a UDP packet... */
-	BPF_STMT (BPF_LD + BPF_B + BPF_ABS, 23),
-	BPF_JUMP (BPF_JMP + BPF_JEQ + BPF_K, IPPROTO_UDP, 0, 6),
-
-	/* Make sure this isn't a fragment... */
-	BPF_STMT(BPF_LD + BPF_H + BPF_ABS, 20),
-	BPF_JUMP(BPF_JMP + BPF_JSET + BPF_K, 0x1fff, 4, 0),
-
-	/* Get the IP header length... */
-	BPF_STMT (BPF_LDX + BPF_B + BPF_MSH, 14),
-
-	/* Make sure it's to the right port... */
-	BPF_STMT (BPF_LD + BPF_H + BPF_IND, 16),
-	BPF_JUMP (BPF_JMP + BPF_JEQ + BPF_K, 67, 0, 1),             /* patch */
-
-	/* If we passed all the tests, ask for the whole packet. */
-	BPF_STMT(BPF_RET+BPF_K, (u_int)-1),
-
-	/* Otherwise, drop it. */
-	BPF_STMT(BPF_RET+BPF_K, 0),
-};
-
-void if_register_receive (info, interface)
-	struct interface_info *info;
-	struct ifreq *interface;
-{
-	int flag = 1;
-	struct bpf_version v;
-	u_int32_t addr;
-	struct bpf_program p;
-	u_int32_t bits;
-
-	/* Open a BPF device and hang it on this interface... */
-	info -> rfdesc = if_register_bpf (info, interface);
-
-	/* Make sure the BPF version is in range... */
-	if (ioctl (info -> rfdesc, BIOCVERSION, &v) < 0)
-		error ("Can't get BPF version: %m");
-
-	if (v.bv_major != BPF_MAJOR_VERSION ||
-	    v.bv_minor < BPF_MINOR_VERSION)
-		error ("Kernel BPF version out of range - recompile dhcpd!");
-
-	/* Set immediate mode so that reads return as soon as a packet
-	   comes in, rather than waiting for the input buffer to fill with
-	   packets. */
-	if (ioctl (info -> rfdesc, BIOCIMMEDIATE, &flag) < 0)
-		error ("Can't set immediate mode on bpf device: %m");
-
-#ifdef NEED_OSF_PFILT_HACKS
-	/* Allow the copyall flag to be set... */
-	if (ioctl(info -> rfdesc, EIOCALLOWCOPYALL, &flag) < 0)
-		error ("Can't set ALLOWCOPYALL: %m");
-
-	/* Clear all the packet filter mode bits first... */
-	bits = 0;
-	if (ioctl (info -> rfdesc, EIOCMBIS, &bits) < 0)
-		error ("Can't clear pfilt bits: %m");
-
-	/* Set the ENBATCH, ENCOPYALL, ENBPFHDR bits... */
-	bits = ENBATCH | ENCOPYALL | ENBPFHDR;
-	if (ioctl (info -> rfdesc, EIOCMBIS, &bits) < 0)
-		error ("Can't set ENBATCH|ENCOPYALL|ENBPFHDR: %m");
-#endif
-	/* Get the required BPF buffer length from the kernel. */
-	if (ioctl (info -> rfdesc, BIOCGBLEN, &info -> rbuf_max) < 0)
-		error ("Can't get bpf buffer length: %m");
-	info -> rbuf = malloc (info -> rbuf_max);
-	if (!info -> rbuf)
-		error ("Can't allocate %d bytes for bpf input buffer.");
-	info -> rbuf_offset = 0;
-	info -> rbuf_len = 0;
-
-	/* Set up the bpf filter program structure. */
-	p.bf_len = sizeof filter / sizeof (struct bpf_insn);
-	p.bf_insns = filter;
-
-        /* Patch the server port into the BPF  program...
-	   XXX changes to filter program may require changes
-	   to the insn number(s) used below! XXX */
-	filter [8].k = ntohs (server_port);
-
-	if (ioctl (info -> rfdesc, BIOCSETF, &p) < 0)
-		error ("Can't install packet filter program: %m");
-	note ("Listening on BPF/%s/%s/%s",
-	      info -> name,
-	      print_hw_addr (info -> hw_address.htype,
-			     info -> hw_address.hlen,
-			     info -> hw_address.haddr),
-	      (info -> shared_network ?
-	       info -> shared_network -> name : "unattached"));
-}
-#endif /* USE_BPF_RECEIVE */
-
-#ifdef USE_BPF_SEND
-size_t send_packet (interface, packet, raw, len, from, to, hto)
-	struct interface_info *interface;
-	struct packet *packet;
-	struct dhcp_packet *raw;
-	size_t len;
-	struct in_addr from;
-	struct sockaddr_in *to;
-	struct hardware *hto;
-{
-	int bufp = 0;
-	unsigned char buf [256];
-	struct iovec iov [2];
-
-	/* Assemble the headers... */
-	assemble_hw_header (interface, buf, &bufp, hto);
-	assemble_udp_ip_header (interface, buf, &bufp, from.s_addr,
-				to -> sin_addr.s_addr, to -> sin_port,
-				(unsigned char *)raw, len);
-
-	/* Fire it off */
-	iov [0].iov_base = (char *)buf;
-	iov [0].iov_len = bufp;
-	iov [1].iov_base = (char *)raw;
-	iov [1].iov_len = len;
-
-	return writev(interface -> wfdesc, iov, 2);
-}
-#endif /* USE_BPF_SEND */
-
-#ifdef USE_BPF_RECEIVE
-size_t receive_packet (interface, buf, len, from, hfrom)
-	struct interface_info *interface;
-	unsigned char *buf;
-	size_t len;
-	struct sockaddr_in *from;
-	struct hardware *hfrom;
-{
-	int length = 0;
-	int offset = 0;
-	struct bpf_hdr hdr;
-
-	/* All this complexity is because BPF doesn't guarantee
-	   that only one packet will be returned at a time.   We're
-	   getting what we deserve, though - this is a terrible abuse
-	   of the BPF interface.   Sigh. */
-
-	/* Process packets until we get one we can return or until we've
-	   done a read and gotten nothing we can return... */
-
-	do {
-		/* If the buffer is empty, fill it. */
-		if (interface -> rbuf_offset == interface -> rbuf_len) {
-			length = read (interface -> rfdesc,
-				       interface -> rbuf,
-				       interface -> rbuf_max);
-			if (length <= 0)
-				return length;
-			interface -> rbuf_offset = 0;
-			interface -> rbuf_len = length;
-		}
-
-		/* If there isn't room for a whole bpf header, something went
-		   wrong, but we'll ignore it and hope it goes away... XXX */
-		if (interface -> rbuf_len -
-		    interface -> rbuf_offset < sizeof hdr) {
-			interface -> rbuf_offset = interface -> rbuf_len;
-			continue;
-		}
-
-		/* Copy out a bpf header... */
-		memcpy (&hdr, &interface -> rbuf [interface -> rbuf_offset],
-			sizeof hdr);
-
-		/* If the bpf header plus data doesn't fit in what's left
-		   of the buffer, stick head in sand yet again... */
-		if (interface -> rbuf_offset +
-		    hdr.bh_hdrlen + hdr.bh_caplen > interface -> rbuf_len) {
-			interface -> rbuf_offset = interface -> rbuf_len;
-			continue;
-		}
-
-		/* If the captured data wasn't the whole packet, or if
-		   the packet won't fit in the input buffer, all we
-		   can do is drop it. */
-		if (hdr.bh_caplen != hdr.bh_datalen) {
-			interface -> rbuf_offset +=
-				hdr.bh_hdrlen = hdr.bh_caplen;
-			continue;
-		}
-
-		/* Skip over the BPF header... */
-		interface -> rbuf_offset += hdr.bh_hdrlen;
-
-		/* Decode the physical header... */
-		offset = decode_hw_header (interface,
-					   interface -> rbuf,
-					   interface -> rbuf_offset,
-					   hfrom);
-
-		/* If a physical layer checksum failed (dunno of any
-		   physical layer that supports this, but WTH), skip this
-		   packet. */
-		if (offset < 0) {
-			interface -> rbuf_offset += hdr.bh_caplen;
-			continue;
-		}
-		interface -> rbuf_offset += offset;
-		hdr.bh_caplen -= offset;
-
-		/* Decode the IP and UDP headers... */
-		offset = decode_udp_ip_header (interface,
-					       interface -> rbuf,
-					       interface -> rbuf_offset,
-					       from,
-					       (unsigned char *)0,
-					       hdr.bh_caplen);
-
-		/* If the IP or UDP checksum was bad, skip the packet... */
-		if (offset < 0) {
-			interface -> rbuf_offset += hdr.bh_caplen;
-			continue;
-		}
-		interface -> rbuf_offset += offset;
-		hdr.bh_caplen -= offset;
-
-		/* If there's not enough room to stash the packet data,
-		   we have to skip it (this shouldn't happen in real
-		   life, though). */
-		if (hdr.bh_caplen > len) {
-			interface -> rbuf_offset += hdr.bh_caplen;
-			continue;
-		}
-
-		/* Copy out the data in the packet... */
-		memcpy (buf, interface -> rbuf + interface -> rbuf_offset,
-			hdr.bh_caplen);
-		interface -> rbuf_offset += hdr.bh_caplen;
-		return hdr.bh_caplen;
-	} while (!length);
-	return 0;
-}
-#endif
diff --git a/common/conflex.c b/common/conflex.c
deleted file mode 100644
index 461c2169..00000000
--- a/common/conflex.c
+++ /dev/null
@@ -1,369 +0,0 @@
-/* conflex.c
-
-   Lexical scanner for dhcpd config file... */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-#include "dhctoken.h"
-#include <ctype.h>
-
-static int line;
-static int lpos;
-int tlpos;
-int tline;
-static int token;
-static int ugflag;
-static char *tval;
-static char tokbuf [1500];
-
-static int get_char PROTO ((FILE *));
-static int get_token PROTO ((FILE *));
-static void skip_to_eol PROTO ((FILE *));
-static int read_string PROTO ((FILE *));
-static int read_number PROTO ((int, FILE *));
-static int read_num_or_atom PROTO ((int, FILE *));
-static int intern PROTO ((char *, int));
-
-static int get_char (cfile)
-	FILE *cfile;
-{
-	int c = getc (cfile);
-	if (!ugflag) {
-		if (c == EOL) {
-			line++;
-			lpos = 1;
-		} else {
-			lpos++;
-		}
-	} else
-		ugflag = 0;
-	return c;		
-}
-
-static int get_token (cfile)
-	FILE *cfile;
-{
-	int c;
-	int i;
-	int ttok;
-#ifdef DEBUG_TOKENS
-	static char tb [2];
-#endif
-
-	do {
-		c = get_char (cfile);
-		if (isascii (c) && isspace (c))
-			continue;
-		if (c == '#') {
-			skip_to_eol (cfile);
-			continue;
-		}
-		tlpos = lpos;
-		tline = line;
-		if (c == '"') {
-			ttok = read_string (cfile);
-			break;
-		}
-		if ((isascii (c) && isdigit (c)) || c == '-') {
-			ttok = read_number (c, cfile);
-			break;
-		} else if (isascii (c) && isalpha (c)) {
-			ttok = read_num_or_atom (c, cfile);
-			break;
-		} else {
-#ifdef DEBUG_TOKENS
-			tb [0] = c;
-			tb [1] = 0;
-			tval = tb;
-#else
-			tval = 0;
-#endif
-			ttok = c;
-			break;
-		}
-	} while (1);
-	return ttok;
-}
-
-int next_token (rval, cfile)
-	char **rval;
-	FILE *cfile;
-{
-	int rv;
-
-	if (token) {
-		rv = token;
-		token = 0;
-	} else {
-		rv = get_token (cfile);
-	}
-	if (rval)
-		*rval = tval;
-#ifdef DEBUG_TOKENS
-	fprintf (stderr, "%s:%d ", tval, rv);
-#endif
-	return rv;
-}
-
-int peek_token (rval, cfile)
-	char **rval;
-	FILE *cfile;
-{
-	if (!token)
-		token = get_token (cfile);
-	if (rval)
-		*rval = tval;
-#ifdef DEBUG_TOKENS
-	fprintf (stderr, "(%s:%d) ", tval, token);
-#endif
-	return token;
-}
-
-static void skip_to_eol (cfile)
-	FILE *cfile;
-{
-	int c;
-	do {
-		c = get_char (cfile);
-		if (c == EOF)
-			return;
-		if (c == EOL) {
-			ungetc (c, cfile);
-			ugflag = 1;
-			return;
-		}
-	} while (1);
-}
-
-static int read_string (cfile)
-	FILE *cfile;
-{
-	int i;
-	int bs = 0;
-	int c;
-
-	for (i = 0; i < sizeof tokbuf; i++) {
-		c = get_char (cfile);
-		if (c == EOF) {
-			parse_warn ("eof in string constant");
-			break;
-		}
-		if (bs) {
-			bs = 0;
-			tokbuf [i] = c;
-		} else if (c == '\\')
-			bs = 1;
-		else if (c == '"')
-			break;
-		else
-			tokbuf [i] = c;
-	}
-	/* Normally, I'd feel guilty about this, but we're talking about
-	   strings that'll fit in a DHCP packet here... */
-	if (i == sizeof tokbuf) {
-		parse_warn ("string constant larger than internal buffer");
-		--i;
-	}
-	tokbuf [i] = 0;
-	tval = tokbuf;
-	return STRING;
-}
-
-static int read_number (c, cfile)
-	int c;
-	FILE *cfile;
-{
-	int seenx = 0;
-	int i = 0;
-	tokbuf [i++] = c;
-	for (; i < sizeof tokbuf; i++) {
-		c = get_char (cfile);
-		if (!seenx && c == 'x')
-			seenx = 1;
-		else if (!isascii (c) || !isxdigit (c)) {
-			ungetc (c, cfile);
-			ugflag = 1;
-			break;
-		}
-		tokbuf [i] = c;
-	}
-	if (i == sizeof tokbuf) {
-		parse_warn ("numeric token larger than internal buffer");
-		--i;
-	}
-	tokbuf [i] = 0;
-	tval = tokbuf;
-	return NUMBER;
-}
-
-static int read_num_or_atom (c, cfile)
-	int c;
-	FILE *cfile;
-{
-	int i = 0;
-	int rv = NUMBER_OR_ATOM;
-	tokbuf [i++] = c;
-	for (; i < sizeof tokbuf; i++) {
-		c = get_char (cfile);
-		if (!isascii (c) ||
-		    (c != '-' && c != '_' && !isalnum (c))) {
-			ungetc (c, cfile);
-			ugflag = 1;
-			break;
-		}
-		if (!isxdigit (c))
-			rv = ATOM;
-		tokbuf [i] = c;
-	}
-	if (i == sizeof tokbuf) {
-		parse_warn ("token larger than internal buffer");
-		--i;
-	}
-	tokbuf [i] = 0;
-	tval = tokbuf;
-	return intern (tval, rv);
-}
-
-static int intern (atom, dfv)
-	char *atom;
-	int dfv;
-{
-	if (!isascii (atom [0]))
-		return dfv;
-
-	switch (tolower (atom [0])) {
-	      case 'c':
-		if (!strcasecmp (atom + 1, "lass"))
-			return CLASS;
-		if (!strcasecmp (atom + 1, "iaddr"))
-			return CIADDR;
-		break;
-	      case 'd':
-		if (!strcasecmp (atom + 1, "efault-lease-time"))
-			return DEFAULT_LEASE_TIME;
-		if (!strcasecmp (atom + 1, "ynamic-bootp"))
-			return DYNAMIC_BOOTP;
-		break;
-	      case 'e':
-		if (!strcasecmp (atom + 1, "thernet"))
-			return ETHERNET;
-		if (!strcasecmp (atom + 1, "nds"))
-			return ENDS;
-		break;
-	      case 'f':
-		if (!strcasecmp (atom + 1, "ilename"))
-			return FILENAME;
-		if (!strcasecmp (atom + 1, "ixed-address"))
-			return FIXED_ADDR;
-		break;
-	      case 'g':
-		if (!strcasecmp (atom + 1, "iaddr"))
-			return GIADDR;
-		break;
-	      case 'h':
-		if (!strcasecmp (atom + 1, "ost"))
-			return HOST;
-		if (!strcasecmp (atom + 1, "ardware"))
-			return HARDWARE;
-		break;
-	      case 'l':
-		if (!strcasecmp (atom + 1, "ease"))
-			return LEASE;
-		break;
-	      case 'm':
-		if (!strcasecmp (atom + 1, "ax-lease-time"))
-			return MAX_LEASE_TIME;
-		break;
-	      case 'n':
-		if (!strcasecmp (atom + 1, "etmask"))
-			return NETMASK;
-		break;
-	      case 'p':
-		if (!strcasecmp (atom + 1, "acket"))
-			return PACKET;
-		break;
-	      case 'o':
-		if (!strcasecmp (atom + 1, "ption"))
-			return OPTION;
-		break;
-	      case 'r':
-		if (!strcasecmp (atom + 1, "ange"))
-			return RANGE;
-		break;
-	      case 's':
-		if (!strcasecmp (atom + 1, "tarts"))
-			return STARTS;
-		if (!strcasecmp (atom + 1, "iaddr"))
-			return SIADDR;
-		if (!strcasecmp (atom + 1, "ubnet"))
-			return SUBNET;
-		if (!strcasecmp (atom + 1, "hared-network"))
-			return SHARED_NETWORK;
-		if (!strcasecmp (atom + 1, "erver-name"))
-			return SERVER_NAME;
-		if (!strcasecmp (atom + 1, "erver-identifier"))
-			return SERVER_IDENTIFIER;
-		break;
-	      case 't':
-		if (!strcasecmp (atom + 1, "imestamp"))
-			return TIMESTAMP;
-		break;
-	      case 'u':
-		if (!strcasecmp (atom + 1, "id"))
-			return UID;
-		if (!strcasecmp (atom + 1, "ser-class"))
-			return USER_CLASS;
-		break;
-	      case 'v':
-		if (!strcasecmp (atom + 1, "endor-class"))
-			return VENDOR_CLASS;
-		break;
-	      case 'y':
-		if (!strcasecmp (atom + 1, "iaddr"))
-			return YIADDR;
-		break;
-	}
-	return dfv;
-}
diff --git a/common/convert.c b/common/convert.c
deleted file mode 100644
index 064dc5c4..00000000
--- a/common/convert.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/* convert.c
-
-   Safe copying of option values into and out of the option buffer, which
-   can't be assumed to be aligned. */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-u_int32_t getULong (buf)
-	unsigned char *buf;
-{
-	unsigned long ibuf;
-
-	memcpy (&ibuf, buf, sizeof (u_int32_t));
-	return ntohl (ibuf);
-}
-
-int32_t getLong (buf)
-	unsigned char *buf;
-{
-	long ibuf;
-
-	memcpy (&ibuf, buf, sizeof (int32_t));
-	return ntohl (ibuf);
-}
-
-u_int16_t getUShort (buf)
-	unsigned char *buf;
-{
-	unsigned short ibuf;
-
-	memcpy (&ibuf, buf, sizeof (u_int16_t));
-	return ntohs (ibuf);
-}
-
-int16_t getShort (buf)
-	unsigned char *buf;
-{
-	short ibuf;
-
-	memcpy (&ibuf, buf, sizeof (int16_t));
-	return ntohs (ibuf);
-}
-
-void putULong (obuf, val)
-	unsigned char *obuf;
-	u_int32_t val;
-{
-	u_int32_t tmp = htonl (val);
-	memcpy (obuf, &tmp, sizeof tmp);
-}
-
-void putLong (obuf, val)
-	unsigned char *obuf;
-	int32_t val;
-{
-	int32_t tmp = htonl (val);
-	memcpy (obuf, &tmp, sizeof tmp);
-}
-
-void putUShort (obuf, val)
-	unsigned char *obuf;
-	u_int16_t val;
-{
-	u_int16_t tmp = htonl (val);
-	memcpy (obuf, &tmp, sizeof tmp);
-}
-
-void putShort (obuf, val)
-	unsigned char *obuf;
-	int16_t val;
-{
-	int16_t tmp = htonl (val);
-	memcpy (obuf, &tmp, sizeof tmp);
-}
-
diff --git a/common/dispatch.c b/common/dispatch.c
deleted file mode 100644
index bbd5716e..00000000
--- a/common/dispatch.c
+++ /dev/null
@@ -1,454 +0,0 @@
-/* socket.c
-
-   BSD socket interface code... */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-#include <sys/ioctl.h>
-
-struct interface_info *interfaces;
-static struct hardware_link *interface_links;
-
-static void got_one PROTO ((struct interface_info *));
-
-/* Use the SIOCGIFCONF ioctl to get a list of all the attached interfaces.
-   For each interface that's of type INET and not the loopback interface,
-   register that interface with the network I/O software, figure out what
-   subnet it's on, and add it to the list of interfaces. */
-
-void discover_interfaces ()
-{
-	struct interface_info *tmp;
-	struct interface_info *last;
-	static char buf [8192];
-	struct ifconf ic;
-	int i;
-	int sock;
-	int address_count = 0;
-	int ifix = 0;
-	struct hardware_link *lp;
-	struct subnet *subnet;
-	struct shared_network *share;
-	struct sockaddr_in *foo;
-#ifdef USE_FALLBACK
-	static struct shared_network fallback_network;
-#endif
-
-	/* Create an unbound datagram socket to do the SIOCGIFADDR ioctl on. */
-	if ((sock = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
-		error ("Can't create addrlist socket");
-
-	/* Get the interface configuration information... */
-	ic.ifc_len = sizeof buf;
-	ic.ifc_ifcu.ifcu_buf = (caddr_t)buf;
-	i = ioctl(sock, SIOCGIFCONF, &ic);
-	close (sock);
-	if (i < 0)
-		error ("ioctl: SIOCGIFCONF: %m");
-
-	/* Cycle through the list of interfaces looking for IP addresses.
-	   Go through twice; once to count the number if addresses, and a
-	   second time to copy them into an array of addresses. */
-	for (i = 0; i < ic.ifc_len;) {
-		struct ifreq *ifp = (struct ifreq *)((caddr_t)ic.ifc_req + i);
-#ifdef HAVE_SA_LEN
-		i += (sizeof ifp -> ifr_name) + ifp -> ifr_addr.sa_len;
-#else
-		i += sizeof *ifp;
-#endif
-
-		/* See if we've seen an interface that matches this one. */
-		for (tmp = interfaces; tmp; tmp = tmp -> next)
-			if (!strcmp (tmp -> name, ifp -> ifr_name))
-				break;
-
-		/* If there isn't already an interface by this name,
-		   allocate one. */
-		if (!tmp) {
-			tmp = ((struct interface_info *)
-			       dmalloc (sizeof *tmp, "get_interface_list"));
-			if (!tmp)
-				error ("Insufficient memory to %s %s",
-				       "record interface", ifp -> ifr_name);
-			memset (tmp, 0, sizeof *tmp);
-			strcpy (tmp -> name, ifp -> ifr_name);
-			tmp -> next = interfaces;
-			interfaces = tmp;
-		}
-
-		/* If we have the capability, extract link information
-		   and record it in a linked list. */
-#ifdef AF_LINK
-		if (ifp -> ifr_addr.sa_family == AF_LINK) {
-			struct sockaddr_dl *foo = ((struct sockaddr_dl *)
-						   (&ifp -> ifr_addr));
-			tmp -> hw_address.hlen = foo -> sdl_alen;
-			tmp -> hw_address.htype = ARPHRD_ETHER; /* XXX */
-			memcpy (tmp -> hw_address.haddr,
-				LLADDR (foo), foo -> sdl_alen);
-		} else
-#endif /* AF_LINK */
-
-		if (ifp -> ifr_addr.sa_family == AF_INET) {
-			struct iaddr addr;
-
-			/* Get a pointer to the address... */
-			foo = (struct sockaddr_in *)(&ifp -> ifr_addr);
-
-			/* We don't want the loopback interface. */
-			if (foo -> sin_addr.s_addr == htonl (INADDR_LOOPBACK))
-				continue;
-
-			/* If this is the first real IP address we've
-			   found, keep a pointer to ifreq structure in
-			   which we found it. */
-			if (!tmp -> tif)
-				tmp -> tif = ifp;
-
-			/* Grab the address... */
-			addr.len = 4;
-			memcpy (addr.iabuf, &foo -> sin_addr.s_addr,
-				addr.len);
-
-			/* If this address matches the server identifier,
-			   make a note of it. */
-			if (addr_eq (addr, server_identifier))
-				server_identifier_matched = 1;
-
-			/* If there's a registered subnet for this address,
-			   connect it together... */
-			if ((subnet = find_subnet (addr))) {
-				/* If this interface has multiple aliases
-				   on the same subnet, ignore all but the
-				   first we encounter. */
-				if (!subnet -> interface) {
-					subnet -> interface = tmp;
-					subnet -> interface_address = addr;
-				} else if (subnet -> interface != tmp) {
-					warn ("Multiple %s %s: %s %s", 
-					      "interfaces match the",
-					      "same subnet",
-					      subnet -> interface -> name,
-					      tmp -> name);
-				}
-				share = subnet -> shared_network;
-				if (tmp -> shared_network &&
-				    tmp -> shared_network != share) {
-					warn ("Interface %s matches %s",
-					      tmp -> name,
-					      "multiple shared networks");
-				} else {
-					tmp -> shared_network = share;
-				}
-
-				if (!share -> interface) {
-					share -> interface = tmp;
-				} else if (share -> interface != tmp) {
-					warn ("Multiple %s %s: %s %s", 
-					      "interfaces match the",
-					      "same shared network",
-					      share -> interface -> name,
-					      tmp -> name);
-				}
-			}
-		}
-	}
-
-	/* Weed out the interfaces that did not have IP addresses. */
-	last = (struct interface_info *)0;
-	for (tmp = interfaces; tmp; tmp = tmp -> next) {
-		if (!tmp -> tif) {
-			if (!last)
-				interfaces = interfaces -> next;
-			else
-				last -> next = tmp -> next;
-			continue;
-		}
-
-		foo = (struct sockaddr_in *)(&tmp -> tif -> ifr_addr);
-
-		/* Find subnets that don't have valid interface
-		   addresses... */
-		for (subnet = (tmp -> shared_network
-			       ? tmp -> shared_network -> subnets
-			       : (struct subnet *)0);
-		     subnet; subnet = subnet -> next_sibling) {
-			if (!subnet -> interface_address.len) {
-				warn ("subnet %s attached to interface %s %s",
-				      piaddr (subnet -> net), tmp -> name,
-				      "but has no alias on that network.");
-				/* Set the interface address for this subnet
-				   to the first address we found. */
-				subnet -> interface_address.len = 4;
-				memcpy (subnet -> interface_address.iabuf,
-					&foo -> sin_addr.s_addr, 4);
-			}
-		}
-
-		/* If a server identifier wasn't specified, take it
-		   from the first IP address we see... */
-		if (!server_identifier.len) {
-			if (address_count > 1)
-				warn ("no server identifier specified.");
-			server_identifier.len = 4;
-			memcpy (server_identifier.iabuf,
-				&foo -> sin_addr.s_addr, 4);
-			/* Flag the server identifier as having matched,
-			   so we don't generate a spurious warning. */
-			server_identifier_matched = 1;
-		}
-			
-
-		/* Register the interface... */
-		if_register_receive (tmp, tmp -> tif);
-		if_register_send (tmp, tmp -> tif);
-
-		tmp -> tif = (struct ifreq *)0; /* Can't keep this. */
-	}
-	if (!server_identifier_matched)
-		warn ("no interface address matches server identifier");
-
-#ifdef USE_FALLBACK
-	strcpy (fallback_interface.name, "fallback");	
-	fallback_interface.shared_network = &fallback_network;
-	fallback_network.name = "fallback-net";
-	if_register_fallback (&fallback_interface, (struct ifreq *)0);
-#endif
-}
-
-#ifdef USE_POLL
-/* Wait for packets to come in using poll().  Anyway, when a packet
-   comes in, call receive_packet to receive the packet and possibly
-   strip hardware addressing information from it, and then call
-   do_packet to try to do something with it. 
-
-   As you can see by comparing this with the code that uses select(),
-   below, this is gratuitously complex.  Quelle surprise, eh?  This is
-   SysV we're talking about, after all, and even in the 90's, it
-   wouldn't do for SysV to make networking *easy*, would it?  Rant,
-   rant... */
-
-void dispatch ()
-{
-	struct interface_info *l;
-	int nfds = 0;
-	struct pollfd *fds;
-	int count;
-	int i;
-
-	nfds = 0;
-	for (l = interfaces; l; l = l -> next) {
-		++nfds;
-	}
-	fds = (struct pollfd *)malloc (nfds * sizeof (struct pollfd));
-	if (!fds)
-		error ("Can't allocate poll structures.");
-
-	i = 0;
-	for (l = interfaces; l; l = l -> next) {
-		fds [i].fd = l -> rfdesc;
-		fds [i].events = POLLIN;
-		fds [i].revents = 0;
-		++i;
-	}
-
-	do {
-		/* Wait for a packet or a timeout... XXX */
-		count = poll (fds, nfds, -1);
-
-		/* Get the current time... */
-		GET_TIME (&cur_time);
-
-		/* Not likely to be transitory... */
-		if (count < 0)
-			error ("poll: %m");
-
-		i = 0;
-		for (l = interfaces; l; l = l -> next) {
-			if (!(fds [i].revents & POLLIN))
-				continue;
-			fds [i].revents = 0;
-			got_one (l);
-		}
-	} while (1);
-}
-#else
-/* Wait for packets to come in using select().   When one does, call
-   receive_packet to receive the packet and possibly strip hardware
-   addressing information from it, and then call do_packet to try to
-   do something with it. */
-
-void dispatch ()
-{
-	struct sockaddr_in from;
-	struct hardware hfrom;
-	struct iaddr ifrom;
-	fd_set r, w, x;
-	struct interface_info *l;
-	int max = 0;
-	int count;
-	int result;
-	static unsigned char packbuf [4095]; /* Packet input buffer.
-						Must be as large as largest
-						possible MTU. */
-
-	FD_ZERO (&r);
-	FD_ZERO (&w);
-	FD_ZERO (&x);
-
-	do {
-		/* Set up the read mask. */
-		for (l = interfaces; l; l = l -> next) {
-			FD_SET (l -> rfdesc, &r);
-			FD_SET (l -> rfdesc, &x);
-			if (l -> rfdesc > max)
-				max = l -> rfdesc;
-		}
-
-		/* Wait for a packet or a timeout... XXX */
-		count = select (max + 1, &r, &w, &x, (struct timeval *)0);
-
-		/* Get the current time... */
-		GET_TIME (&cur_time);
-
-		/* Not likely to be transitory... */
-		if (count < 0)
-			error ("select: %m");
-
-		for (l = interfaces; l; l = l -> next) {
-			if (!FD_ISSET (l -> rfdesc, &r))
-				continue;
-			got_one (l);
-		}
-	} while (1);
-}
-#endif /* USE_POLL */
-
-static void got_one (l)
-	struct interface_info *l;
-{
-	struct sockaddr_in from;
-	struct hardware hfrom;
-	struct iaddr ifrom;
-	int result;
-	static unsigned char packbuf [4095]; /* Packet input buffer.
-						Must be as large as largest
-						possible MTU. */
-
-	if ((result = receive_packet (l, packbuf, sizeof packbuf,
-				      &from, &hfrom)) < 0) {
-		warn ("receive_packet failed on %s: %m", l -> name);
-		return;
-	}
-	if (result == 0)
-		return;
-
-	ifrom.len = 4;
-	memcpy (ifrom.iabuf, &from.sin_addr, ifrom.len);
-	
-	do_packet (l, packbuf, result,
-		   from.sin_port, ifrom, &hfrom);
-}
-
-void do_packet (interface, packbuf, len, from_port, from, hfrom)
-	struct interface_info *interface;
-	unsigned char *packbuf;
-	int len;
-	unsigned short from_port;
-	struct iaddr from;
-	struct hardware *hfrom;
-{
-	struct packet tp;
-	struct dhcp_packet tdp;
-
-	memcpy (&tdp, packbuf, len);
-	memset (&tp, 0, sizeof tp);
-	tp.raw = &tdp;
-	tp.packet_length = len;
-	tp.client_port = from_port;
-	tp.client_addr = from;
-	tp.interface = interface;
-	tp.haddr = hfrom;
-	
-	parse_options (&tp);
-	if (tp.options_valid &&
-	    tp.options [DHO_DHCP_MESSAGE_TYPE].data)
-		tp.packet_type =
-			tp.options [DHO_DHCP_MESSAGE_TYPE].data [0];
-	if (tp.packet_type)
-		dhcp (&tp);
-	else
-		bootp (&tp);
-}
-
-int locate_network (packet)
-	struct packet *packet;
-{
-	struct iaddr ia;
-
-	/* If this came through a gateway, find the corresponding subnet... */
-	if (packet -> raw -> giaddr.s_addr) {
-		struct subnet *subnet;
-		ia.len = 4;
-		memcpy (ia.iabuf, &packet -> raw -> giaddr, 4);
-		subnet = find_subnet (ia);
-		if (subnet)
-			packet -> shared_network = subnet -> shared_network;
-		else
-			packet -> shared_network = (struct shared_network *)0;
-	} else {
-		packet -> shared_network =
-			packet -> interface -> shared_network;
-	}
-
-	/* If the subnet from whence this packet came is unknown to us,
-	   drop it on the floor... */
-	if (!packet -> shared_network) {
-		note ("Packet from unknown subnet: %s",
-		      inet_ntoa (packet -> raw -> giaddr));
-		return 0;
-	}
-	return 1;
-}
diff --git a/common/errwarn.c b/common/errwarn.c
deleted file mode 100644
index 89752d03..00000000
--- a/common/errwarn.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/* errwarn.c
-
-   Errors and warnings... */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.
- * All Rights Reserved.
- * Copyright (c) 1995 RadioMail Corporation.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of RadioMail Corporation, the Internet Software
- *    Consortium nor the names of its contributors may be used to endorse
- *    or promote products derived from this software without specific
- *    prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY RADIOMAIL CORPORATION, THE INTERNET
- * SOFTWARE CONSORTIUM AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL RADIOMAIL CORPORATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software was written for RadioMail Corporation by Ted Lemon
- * under a contract with Vixie Enterprises.   Further modifications have
- * been made for the Internet Software Consortium under a contract
- * with Vixie Laboratories.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-#include <errno.h>
-
-static void do_percentm PROTO ((char *obuf, char *ibuf));
-
-static char mbuf [1024];
-static char fbuf [1024];
-
-/* Log an error message, then exit... */
-
-void error (ANSI_DECL(char *) fmt, VA_DOTDOTDOT)
-     KandR (char *fmt;)
-     va_dcl
-{
-  va_list list;
-  extern int logged_in;
-
-  do_percentm (fbuf, fmt);
-
-  VA_start (list, fmt);
-  vsnprintf (mbuf, sizeof mbuf, fbuf, list);
-  va_end (list);
-#ifndef DEBUG
-  syslog (log_priority | LOG_ERR, mbuf);
-#else
-  write (1, mbuf, strlen (mbuf));
-  write (1, "\n", 1);
-#endif
-
-  cleanup ();
-  exit (1);
-}
-
-/* Log a warning message... */
-
-int warn (ANSI_DECL (char *) fmt, VA_DOTDOTDOT)
-     KandR (char *fmt;)
-     va_dcl
-{
-  va_list list;
-
-  do_percentm (fbuf, fmt);
-
-  VA_start (list, fmt);
-  vsnprintf (mbuf, sizeof mbuf, fbuf, list);
-  va_end (list);
-#ifndef DEBUG
-  syslog (log_priority | LOG_ERR, mbuf);
-#else
-  write (1, mbuf, strlen (mbuf));
-  write (1, "\n", 1);
-#endif
-  return 0;
-}
-
-/* Log a note... */
-
-int note (ANSI_DECL (char *) fmt, VA_DOTDOTDOT)
-     KandR (char *fmt;)
-     va_dcl
-{
-  va_list list;
-
-  do_percentm (fbuf, fmt);
-
-  VA_start (list, fmt);
-  vsnprintf (mbuf, sizeof mbuf, fbuf, list);
-  va_end (list);
-#ifndef DEBUG
-  syslog (log_priority | LOG_INFO, mbuf);
-#else
-  write (1, mbuf, strlen (mbuf));
-  write (1, "\n", 1);
-#endif
-  return 0;
-}
-
-/* Log a debug message... */
-
-int debug (ANSI_DECL (char *) fmt, VA_DOTDOTDOT)
-     KandR (char *fmt;)
-     va_dcl
-{
-  va_list list;
-
-  do_percentm (fbuf, fmt);
-
-  VA_start (list, fmt);
-  vsnprintf (mbuf, sizeof mbuf, fbuf, list);
-  va_end (list);
-#ifndef DEBUG
-  syslog (log_priority | LOG_DEBUG, mbuf);
-#else
-  write (1, mbuf, strlen (mbuf));
-  write (1, "\n", 1);
-#endif
-  return 0;
-}
-
-/* Find %m in the input string and substitute an error message string. */
-
-static void do_percentm (obuf, ibuf)
-     char *obuf;
-     char *ibuf;
-{
-  char *s = ibuf;
-  char *p = obuf;
-  int infmt = 0;
-
-  while (*s)
-    {
-      if (infmt)
-	{
-	  if (*s == 'm')
-	    {
-	      strcpy (p - 1, strerror (errno));
-	      p += strlen (p);
-	      ++s;
-	    }
-	  else
-	    *p++ = *s++;
-	  infmt = 0;
-	}
-      else
-	{
-	  if (*s == '%')
-	    infmt = 1;
-	  *p++ = *s++;
-	}
-    }
-  *p = 0;
-}
-
-
-int parse_warn (ANSI_DECL (char *) fmt, VA_DOTDOTDOT)
-	KandR (char *fmt;)
-	va_dcl
-{
-	extern int tline, tlpos;
-	va_list list;
-	
-	do_percentm (mbuf, fmt);
-#ifndef NO_SNPRINTF
-	snprintf (fbuf, sizeof fbuf, "dhcpd.conf line %d char %d: %s",
-		  tline, tlpos, mbuf);
-#else
-	sprintf (fbuf, "dhcpd.conf line %d char %d: %s", tline, tlpos, mbuf);
-#endif
-	
-	VA_start (list, fmt);
-	vsnprintf (mbuf, sizeof mbuf, fbuf, list);
-	va_end (list);
-#ifndef DEBUG
-	syslog (log_priority | LOG_ERR, mbuf);
-#else
-	write (1, mbuf, strlen (mbuf));
-	write (1, "\n", 1);
-#endif
-	return 0;
-}
-
-#ifdef NO_STRERROR
-char *strerror (err)
-	int err;
-{
-	extern char *sys_errlist [];
-	extern int sys_nerr;
-	static char errbuf [128];
-
-	if (err < 0 || err >= sys_nerr) {
-		sprintf (errbuf, "Error %d", err);
-		return errbuf;
-	}
-	return sys_errlist [err];
-}
-#endif /* NO_STRERROR */
diff --git a/common/hash.c b/common/hash.c
deleted file mode 100644
index 68972b72..00000000
--- a/common/hash.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/* hash.c
-
-   Routines for manipulating hash tables... */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-static INLINE int do_hash PROTO ((char *, int, int));
-
-struct hash_table *new_hash ()
-{
-	struct hash_table *rv = new_hash_table (DEFAULT_HASH_SIZE, "new_hash");
-	if (!rv)
-		return rv;
-	memset (&rv -> buckets [0], 0,
-		DEFAULT_HASH_SIZE * sizeof (struct hash_bucket *));
-	return rv;
-}
-
-static INLINE int do_hash (name, len, size)
-	char *name;
-	int len;
-	int size;
-{
-	register int accum = 0;
-	register unsigned char *s = (unsigned char *)name;
-	int i = len;
-	if (i) {
-		while (i--) {
-			/* Add the character in... */
-			accum += *s++;
-			/* Add carry back in... */
-			while (accum > 255) {
-				accum = (accum & 255) + (accum >> 8);
-			}
-		}
-	} else {
-		while (*s) {
-			/* Add the character in... */
-			accum += *s++;
-			/* Add carry back in... */
-			while (accum > 255) {
-				accum = (accum & 255) + (accum >> 8);
-			}
-		}
-	}
-	return accum % size;
-}
-
-void add_hash (table, name, len, pointer)
-	struct hash_table *table;
-	int len;
-	char *name;
-	unsigned char *pointer;
-{
-	int hashno;
-	struct hash_bucket *bp;
-
-	if (!table)
-		return;
-
-	hashno = do_hash (name, len, table -> hash_count);
-	bp = new_hash_bucket ("add_hash");
-
-	if (!bp) {
-		warn ("Can't add %s to hash table.", name);
-		return;
-	}
-	bp -> name = name;
-	bp -> value = pointer;
-	bp -> next = table -> buckets [hashno];
-	bp -> len = len;
-	table -> buckets [hashno] = bp;
-}
-
-void delete_hash_entry (table, name, len)
-	struct hash_table *table;
-	int len;
-	char *name;
-{
-	int hashno;
-	struct hash_bucket *bp, *pbp = (struct hash_bucket *)0;
-
-	if (!table)
-		return;
-
-	hashno = do_hash (name, len, table -> hash_count);
-
-	/* Go through the list looking for an entry that matches;
-	   if we find it, delete it. */
-	for (bp = table -> buckets [hashno]; bp; bp = bp -> next) {
-		if ((!bp -> len && !strcmp (bp -> name, name)) ||
-		    (bp -> len == len &&
-		     !memcmp (bp -> name, name, len))) {
-			if (pbp) {
-				pbp -> next = bp -> next;
-			} else {
-				table -> buckets [hashno] = bp -> next;
-			}
-			free_hash_bucket (bp, "delete_hash_entry");
-			break;
-		}
-	}
-}
-
-unsigned char *hash_lookup (table, name, len)
-	struct hash_table *table;
-	char *name;
-	int len;
-{
-	int hashno;
-	struct hash_bucket *bp;
-
-	if (!table)
-		return (unsigned char *)0;
-	hashno = do_hash (name, len, table -> hash_count);
-
-	if (len) {
-		for (bp = table -> buckets [hashno]; bp; bp = bp -> next) {
-			if (len == bp -> len
-			    && !memcmp (bp -> name, name, len))
-				return bp -> value;
-		}
-	} else {
-		for (bp = table -> buckets [hashno]; bp; bp = bp -> next)
-			if (!strcmp (bp -> name, name))
-				return bp -> value;
-	}
-	return (unsigned char *)0;
-}
-
diff --git a/common/inet.c b/common/inet.c
deleted file mode 100644
index 000d9718..00000000
--- a/common/inet.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/* inet.c
-
-   Subroutines to manipulate internet addresses in a safely portable
-   way... */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#include "dhcpd.h"
-
-/* Return just the network number of an internet address... */
-
-struct iaddr subnet_number (addr, mask)
-	struct iaddr addr;
-	struct iaddr mask;
-{
-	int i;
-	struct iaddr rv;
-
-	rv.len = 0;
-
-	/* Both addresses must have the same length... */
-	if (addr.len != mask.len)
-		return rv;
-
-	rv.len = addr.len;
-	for (i = 0; i < rv.len; i++)
-		rv.iabuf [i] = addr.iabuf [i] & mask.iabuf [i];
-	return rv;
-}
-
-/* Combine a network number and a integer to produce an internet address.
-   This won't work for subnets with more than 32 bits of host address, but
-   maybe this isn't a problem. */
-
-struct iaddr ip_addr (subnet, mask, host_address)
-	struct iaddr subnet;
-	struct iaddr mask;
-	u_int32_t host_address;
-{
-	int i, j, k;
-	u_int32_t swaddr;
-	struct iaddr rv;
-	unsigned char habuf [sizeof swaddr];
-
-	swaddr = htonl (host_address);
-	memcpy (habuf, &swaddr, sizeof swaddr);
-
-	/* Combine the subnet address and the host address.   If
-	   the host address is bigger than can fit in the subnet,
-	   return a zero-length iaddr structure. */
-	rv = subnet;
-	j = rv.len - sizeof habuf;
-	for (i = sizeof habuf - 1; i >= 0; i--) {
-		if (mask.iabuf [i + j]) {
-			if (habuf [i] > (mask.iabuf [i + j] ^ 0xFF)) {
-				rv.len = 0;
-				return rv;
-			}
-			for (k = i - 1; k >= 0; k--) {
-				if (habuf [k]) {
-					rv.len = 0;
-					return rv;
-				}
-			}
-			rv.iabuf [i + j] |= habuf [i];
-			break;
-		} else
-			rv.iabuf [i + j] = habuf [i];
-	}
-		
-	return rv;
-}
-
-u_int32_t host_addr (addr, mask)
-	struct iaddr addr;
-	struct iaddr mask;
-{
-	int i;
-	u_int32_t swaddr;
-	struct iaddr rv;
-
-	rv.len = 0;
-
-	/* Mask out the network bits... */
-	rv.len = addr.len;
-	for (i = 0; i < rv.len; i++)
-		rv.iabuf [i] = addr.iabuf [i] & ~mask.iabuf [i];
-
-	/* Copy out up to 32 bits... */
-	memcpy (&swaddr, &rv.iabuf [rv.len - sizeof swaddr], sizeof swaddr);
-
-	/* Swap it and return it. */
-	return ntohl (swaddr);
-}
-
-int addr_eq (addr1, addr2)
-	struct iaddr addr1, addr2;
-{
-	if (addr1.len != addr2.len)
-		return 0;
-	return memcmp (addr1.iabuf, addr2.iabuf, addr1.len) == 0;
-}
-
-char *piaddr (addr)
-	struct iaddr addr;
-{
-	static char pbuf [4 * 16];
-	char *s = pbuf;
-	int i;
-
-	if (addr.len == 0) {
-		strcpy (s, "<null address>");
-	}
-	for (i = 0; i < addr.len; i++) {
-		sprintf (s, "%s%d", i ? "." : "", addr.iabuf [i]);
-		s += strlen (s);
-	}
-	return pbuf;
-}
diff --git a/common/memory.c b/common/memory.c
deleted file mode 100644
index b030ea87..00000000
--- a/common/memory.c
+++ /dev/null
@@ -1,676 +0,0 @@
-/* memory.c
-
-   Memory-resident database... */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-static struct subnet *subnets;
-static struct shared_network *shared_networks;
-static struct hash_table *host_hw_addr_hash;
-static struct hash_table *host_uid_hash;
-static struct hash_table *lease_uid_hash;
-static struct hash_table *lease_ip_addr_hash;
-static struct hash_table *lease_hw_addr_hash;
-static struct lease *dangling_leases;
-
-static struct hash_table *vendor_class_hash;
-static struct hash_table *user_class_hash;
-
-void enter_host (hd)
-	struct host_decl *hd;
-{
-	struct host_decl *hp = (struct host_decl *)0;
-	struct host_decl *np = (struct host_decl *)0;
-
-	hd -> n_ipaddr = (struct host_decl *)0;
-
-	if (hd -> interface.hlen) {
-		if (!host_hw_addr_hash)
-			host_hw_addr_hash = new_hash ();
-		else
-			hp = (struct host_decl *)
-				hash_lookup (host_hw_addr_hash,
-					     hd -> interface.haddr,
-					     hd -> interface.hlen);
-
-		if (!hp)
-			add_hash (host_hw_addr_hash,
-				  hd -> interface.haddr, hd -> interface.hlen,
-				  (unsigned char *)hd);
-	}
-	/* If there's already a host declaration for this hardware
-	   address, add this one to the end of the list.  Otherwise,
-	   add it to the hash table. */
-
-	if (hp) {
-		for (np = hp; np -> n_ipaddr; np = np -> n_ipaddr)
-			;
-		np -> n_ipaddr = hd;
-	}
-
-	if (hd -> options [DHO_DHCP_CLIENT_IDENTIFIER]) {
-		if (!tree_evaluate (hd -> options
-				    [DHO_DHCP_CLIENT_IDENTIFIER]))
-			return;
-			
-		if (!host_uid_hash)
-			host_uid_hash = new_hash ();
-		else
-			hp = (struct host_decl *) hash_lookup
-				(host_uid_hash,
-				 hd -> options
-				 [DHO_DHCP_CLIENT_IDENTIFIER] -> value,
-				 hd -> options
-				 [DHO_DHCP_CLIENT_IDENTIFIER] -> len);
-
-		/* If there's already a host declaration for this
-		   client identifier, add this one to the end of the
-		   list.  Otherwise, add it to the hash table. */
-		if (hp) {
-			/* Don't link it in twice... */
-			if (!np) {
-				for (np = hp; np -> n_ipaddr;
-				     np = np -> n_ipaddr)
-					;
-				np -> n_ipaddr = hd;
-			}
-		} else {
-			add_hash (host_uid_hash,
-				  hd -> options
-				  [DHO_DHCP_CLIENT_IDENTIFIER] -> value,
-				  hd -> options
-				  [DHO_DHCP_CLIENT_IDENTIFIER] -> len,
-				  (unsigned char *)hd);
-		}
-	}
-}
-
-struct host_decl *find_hosts_by_haddr (htype, haddr, hlen)
-	int htype;
-	unsigned char *haddr;
-	int hlen;
-{
-	struct host_decl *foo;
-	int i;
-
-	foo = (struct host_decl *)hash_lookup (host_hw_addr_hash,
-					       haddr, hlen);
-	return foo;
-}
-
-struct host_decl *find_hosts_by_uid (data, len)
-	unsigned char *data;
-	int len;
-{
-	struct host_decl *foo;
-	int i;
-
-	foo = (struct host_decl *)hash_lookup (host_uid_hash, data, len);
-	return foo;
-}
-
-/* More than one host_decl can be returned by find_hosts_by_haddr or
-   find_hosts_by_uid, and each host_decl can have multiple addresses.
-   Loop through the list of hosts, and then for each host, through the
-   list of addresses, looking for an address that's in the same shared
-   network as the one specified.    Store the matching address through
-   the addr pointer, update the host pointer to point at the host_decl
-   that matched, and return the subnet that matched. */
-
-struct subnet *find_host_for_network (host, addr, share)
-	struct host_decl **host;
-	struct iaddr *addr;
-	struct shared_network *share;
-{
-	int i;
-	struct subnet *subnet;
-	struct iaddr ip_address;
-	struct host_decl *hp;
-
-	for (hp = *host; hp; hp = hp -> n_ipaddr) {
-		if (!hp -> fixed_addr || !tree_evaluate (hp -> fixed_addr))
-			continue;
-		for (i = 0; i < hp -> fixed_addr -> len; i += 4) {
-			ip_address.len = 4;
-			memcpy (ip_address.iabuf,
-				hp -> fixed_addr -> value + i, 4);
-			subnet = find_grouped_subnet (share, ip_address);
-			if (subnet) {
-				*addr = ip_address;
-				*host = hp;
-				return subnet;
-			}
-		}
-	}
-	return (struct subnet *)0;
-}
-
-void new_address_range (low, high, subnet, dynamic)
-	struct iaddr low, high;
-	struct subnet *subnet;
-	int dynamic;
-{
-	struct lease *address_range, *lp, *plp;
-	struct iaddr net;
-	int min, max, i;
-	char lowbuf [16], highbuf [16], netbuf [16];
-	struct shared_network *share = subnet -> shared_network;
-
-	/* All subnets should have attached shared network structures. */
-	if (!share) {
-		strcpy (netbuf, piaddr (subnet -> net));
-		error ("No shared network for network %s (%s)",
-		       netbuf, piaddr (subnet -> netmask));
-	}
-
-	/* Initialize the hash table if it hasn't been done yet. */
-	if (!lease_uid_hash)
-		lease_uid_hash = new_hash ();
-	if (!lease_ip_addr_hash)
-		lease_ip_addr_hash = new_hash ();
-	if (!lease_hw_addr_hash)
-		lease_hw_addr_hash = new_hash ();
-
-	/* Make sure that high and low addresses are in same subnet. */
-	net = subnet_number (low, subnet -> netmask);
-	if (!addr_eq (net, subnet_number (high, subnet -> netmask))) {
-		strcpy (lowbuf, piaddr (low));
-		strcpy (highbuf, piaddr (high));
-		strcpy (netbuf, piaddr (subnet -> netmask));
-		error ("Address range %s to %s, netmask %s spans %s!",
-		       lowbuf, highbuf, netbuf, "multiple subnets");
-	}
-
-	/* Get the high and low host addresses... */
-	max = host_addr (high, subnet -> netmask);
-	min = host_addr (low, subnet -> netmask);
-
-	/* Allow range to be specified high-to-low as well as low-to-high. */
-	if (min > max) {
-		max = min;
-		min = host_addr (high, subnet -> netmask);
-	}
-
-	/* Get a lease structure for each address in the range. */
-	address_range = new_leases (max - min + 1, "new_address_range");
-	if (!address_range) {
-		strcpy (lowbuf, piaddr (low));
-		strcpy (highbuf, piaddr (high));
-		error ("No memory for address range %s-%s.", lowbuf, highbuf);
-	}
-	memset (address_range, 0, (sizeof *address_range) * (max - min + 1));
-
-	/* Fill in the last lease if it hasn't been already... */
-	if (!share -> last_lease) {
-		share -> last_lease = &address_range [0];
-	}
-
-	/* Fill out the lease structures with some minimal information. */
-	for (i = 0; i < max - min + 1; i++) {
-		address_range [i].ip_addr =
-			ip_addr (subnet -> net, subnet -> netmask, i + min);
-		address_range [i].starts =
-			address_range [i].timestamp = MIN_TIME;
-		address_range [i].ends = MIN_TIME;
-		address_range [i].subnet = subnet;
-		address_range [i].shared_network = share;
-		address_range [i].flags = dynamic ? DYNAMIC_BOOTP_OK : 0;
-
-		/* Link this entry into the list. */
-		address_range [i].next = share -> leases;
-		address_range [i].prev = (struct lease *)0;
-		share -> leases = &address_range [i];
-		if (address_range [i].next)
-			address_range [i].next -> prev = share -> leases;
-		add_hash (lease_ip_addr_hash,
-			  address_range [i].ip_addr.iabuf,
-			  address_range [i].ip_addr.len,
-			  (unsigned char *)&address_range [i]);
-	}
-
-	/* Find out if any dangling leases are in range... */
-	plp = (struct lease *)0;
-	for (lp = dangling_leases; lp; lp = lp -> next) {
-		struct iaddr lnet;
-		int lhost;
-
-		lnet = subnet_number (lp -> ip_addr, subnet -> netmask);
-		lhost = host_addr (lp -> ip_addr, subnet -> netmask);
-
-		/* If it's in range, fill in the real lease structure with
-		   the dangling lease's values, and remove the lease from
-		   the list of dangling leases. */
-		if (addr_eq (lnet, subnet -> net) &&
-		    lhost >= i && lhost <= max) {
-			if (plp) {
-				plp -> next = lp -> next;
-			} else {
-				dangling_leases = lp -> next;
-			}
-			lp -> next = (struct lease *)0;
-			supersede_lease (&address_range [lhost - i], lp, 0);
-			free_lease (lp, "new_address_range");
-		} else
-			plp = lp;
-	}
-}
-
-struct subnet *find_subnet (addr)
-	struct iaddr addr;
-{
-	struct subnet *rv;
-
-	for (rv = subnets; rv; rv = rv -> next_subnet) {
-		if (addr_eq (subnet_number (addr, rv -> netmask), rv -> net))
-			return rv;
-	}
-	return (struct subnet *)0;
-}
-
-struct subnet *find_grouped_subnet (share, addr)
-	struct shared_network *share;
-	struct iaddr addr;
-{
-	struct subnet *rv;
-
-	for (rv = share -> subnets; rv; rv = rv -> next_sibling) {
-		if (addr_eq (subnet_number (addr, rv -> netmask), rv -> net))
-			return rv;
-	}
-	return (struct subnet *)0;
-}
-
-/* Enter a new subnet into the subnet hash. */
-
-void enter_subnet (subnet)
-	struct subnet *subnet;
-{
-	/* XXX Sort the nets into a balanced tree to make searching quicker. */
-	subnet -> next_subnet = subnets;
-	subnets = subnet;
-}
-	
-/* Enter a new subnet into the subnet hash. */
-
-void enter_shared_network (share)
-	struct shared_network *share;
-{
-	/* XXX Sort the nets into a balanced tree to make searching quicker. */
-	share -> next = shared_networks;
-	shared_networks = share;
-}
-	
-/* Enter a lease into the system.   This is called by the parser each
-   time it reads in a new lease.   If the subnet for that lease has
-   already been read in (usually the case), just update that lease;
-   otherwise, allocate temporary storage for the lease and keep it around
-   until we're done reading in the config file. */
-
-void enter_lease (lease)
-	struct lease *lease;
-{
-	struct lease *comp = find_lease_by_ip_addr (lease -> ip_addr);
-
-	/* If we don't have a place for this lease yet, save it for
-	   later. */
-	if (!comp) {
-		comp = new_lease ("enter_lease");
-		if (!comp) {
-			error ("No memory for lease %s\n",
-			       piaddr (lease -> ip_addr));
-		}
-		*comp = *lease;
-		lease -> next = dangling_leases;
-		lease -> prev = (struct lease *)0;
-		dangling_leases = lease;
-	} else {
-		supersede_lease (comp, lease, 0);
-	}
-}
-
-/* Replace the data in an existing lease with the data in a new lease;
-   adjust hash tables to suit, and insertion sort the lease into the
-   list of leases by expiry time so that we can always find the oldest
-   lease. */
-
-int supersede_lease (comp, lease, commit)
-	struct lease *comp, *lease;
-	int commit;
-{
-	int enter_uid = 0;
-	int enter_hwaddr = 0;
-	struct lease *lp;
-
-	/* If the existing lease hasn't expired and has a different
-	   unique identifier or, if it doesn't have a unique
-	   identifier, a different hardware address, then the two
-	   leases are in conflict. */
-	if (comp -> ends > cur_time &&
-	    ((comp -> uid &&
-	      (comp -> uid_len != lease -> uid_len ||
-	       memcmp (comp -> uid, lease -> uid, comp -> uid_len))) ||
-	     (!comp -> uid &&
-	      ((comp -> hardware_addr.htype !=
-		lease -> hardware_addr.htype) ||
-	       (comp -> hardware_addr.hlen !=
-		lease -> hardware_addr.hlen) ||
-	       memcmp (comp -> hardware_addr.haddr,
-		       lease -> hardware_addr.haddr,
-		       comp -> hardware_addr.hlen))))) {
-		warn ("Lease conflict at %s",
-		      piaddr (comp -> ip_addr));
-	} else {
-		/* If there's a Unique ID, dissociate it from the hash
-		   table if necessary, and always free it. */
-		if (comp -> uid) {
-			if (comp -> uid_len != lease -> uid_len ||
-			    memcmp (comp -> uid, lease -> uid,
-				    comp -> uid_len)) {
-				delete_hash_entry (lease_uid_hash,
-						   comp -> uid,
-						   comp -> uid_len);
-				enter_uid = 1;
-			}
-			free (comp -> uid);
-		} else
-			enter_uid = 1;
-
-		if (comp -> hardware_addr.htype &&
-		    ((comp -> hardware_addr.hlen !=
-		      lease -> hardware_addr.hlen) ||
-		     (comp -> hardware_addr.htype !=
-		      lease -> hardware_addr.htype) ||
-		     memcmp (comp -> hardware_addr.haddr,
-			     lease -> hardware_addr.haddr,
-			     comp -> hardware_addr.hlen))) {
-			delete_hash_entry (lease_hw_addr_hash,
-					   comp -> hardware_addr.haddr,
-					   comp -> hardware_addr.hlen);
-			enter_hwaddr = 1;
-		} else if (!comp -> hardware_addr.htype)
-			enter_hwaddr = 1;
-
-		/* Copy the data files, but not the linkages. */
-		comp -> starts = lease -> starts;
-		comp -> offered_expiry = lease -> offered_expiry;
-		comp -> timestamp = lease -> timestamp;
-		comp -> uid = lease -> uid;
-		comp -> uid_len = lease -> uid_len;
-		comp -> host = lease -> host;
-		comp -> hardware_addr = lease -> hardware_addr;
-		comp -> state = lease -> state;
-		comp -> flags = ((lease -> flags & ~PERSISTENT_FLAGS) |
-				 (comp -> flags & ~EPHEMERAL_FLAGS));
-
-		/* Record the lease in the uid hash if necessary. */
-		if (enter_uid && lease -> uid) {
-			add_hash (lease_uid_hash, comp -> uid,
-				  comp -> uid_len, (unsigned char *)comp);
-		}
-
-		/* Record it in the hardware address hash if necessary. */
-		if (enter_hwaddr && lease -> hardware_addr.htype) {
-			add_hash (lease_hw_addr_hash,
-				  comp -> hardware_addr.haddr,
-				  comp -> hardware_addr.hlen,
-				  (unsigned char *)comp);
-		}
-
-		/* Remove the lease from its current place in the list. */
-		if (comp -> prev) {
-			comp -> prev -> next = comp -> next;
-		} else {
-			comp -> shared_network -> leases = comp -> next;
-		}
-		if (comp -> next) {
-			comp -> next -> prev = comp -> prev;
-		}
-		if (comp -> shared_network -> last_lease == comp) {
-			comp -> shared_network -> last_lease = comp -> prev;
-		}
-
-		/* Find the last insertion point... */
-		if (comp == comp -> shared_network -> insertion_point ||
-		    !comp -> shared_network -> insertion_point) {
-			lp = comp -> shared_network -> leases;
-		} else {
-			lp = comp -> shared_network -> insertion_point;
-		}
-
-		if (!lp) {
-			/* Nothing on the list yet?    Just make comp the
-			   head of the list. */
-			comp -> shared_network -> leases = comp;
-			comp -> shared_network -> last_lease = comp;
-		} else if (lp -> ends > lease -> ends) {
-			/* Skip down the list until we run out of list
-			   or find a place for comp. */
-			while (lp -> next && lp -> ends > lease -> ends) {
-				lp = lp -> next;
-			}
-			if (lp -> ends > lease -> ends) {
-				/* If we ran out of list, put comp
-				   at the end. */
-				lp -> next = comp;
-				comp -> prev = lp;
-				comp -> next = (struct lease *)0;
-				comp -> shared_network -> last_lease = comp;
-			} else {
-				/* If we didn't, put it between lp and
-				   the previous item on the list. */
-				if ((comp -> prev = lp -> prev))
-					comp -> prev -> next = comp;
-				comp -> next = lp;
-				lp -> prev = comp;
-			}
-		} else {
-			/* Skip up the list until we run out of list
-			   or find a place for comp. */
-			while (lp -> prev && lp -> ends < lease -> ends) {
-				lp = lp -> prev;
-			}
-			if (lp -> ends < lease -> ends) {
-				/* If we ran out of list, put comp
-				   at the beginning. */
-				lp -> prev = comp;
-				comp -> next = lp;
-				comp -> prev = (struct lease *)0;
-				comp -> shared_network -> leases = comp;
-			} else {
-				/* If we didn't, put it between lp and
-				   the next item on the list. */
-				if ((comp -> next = lp -> next))
-					comp -> next -> prev = comp;
-				comp -> prev = lp;
-				lp -> next = comp;
-			}
-		}
-		comp -> shared_network -> insertion_point = comp;
-		comp -> ends = lease -> ends;
-	}
-
-	/* Return zero if we didn't commit the lease to permanent storage;
-	   nonzero if we did. */
-	return commit && write_lease (comp) && commit_leases ();
-}
-
-/* Release the specified lease and re-hash it as appropriate. */
-
-void release_lease (lease)
-	struct lease *lease;
-{
-	struct lease lt;
-
-	lt = *lease;
-	lt.ends = cur_time;
-	supersede_lease (lease, &lt, 1);
-}
-
-/* Abandon the specified lease (set its timeout to infinity and its
-   particulars to zero, and re-hash it as appropriate. */
-
-void abandon_lease (lease)
-	struct lease *lease;
-{
-	struct lease lt;
-
-	lt = *lease;
-	lt.ends = 0xFFFFFFFF;
-	warn ("Abandoning IP address %s\n",
-	      piaddr (lease -> ip_addr));
-	lt.hardware_addr.htype = -1;
-	lt.hardware_addr.hlen = 0;
-	lt.uid = (unsigned char *)0;
-	lt.uid_len = 0;
-	supersede_lease (lease, &lt, 1);
-}
-
-/* Locate the lease associated with a given IP address... */
-
-struct lease *find_lease_by_ip_addr (addr)
-	struct iaddr addr;
-{
-	struct lease *lease = (struct lease *)hash_lookup (lease_ip_addr_hash,
-							   addr.iabuf,
-							   addr.len);
-	return lease;
-}
-
-struct lease *find_lease_by_uid (uid, len)
-	unsigned char *uid;
-	int len;
-{
-	struct lease *lease = (struct lease *)hash_lookup (lease_uid_hash,
-							   uid, len);
-	return lease;
-}
-
-struct lease *find_lease_by_hw_addr (hwaddr, hwlen)
-	unsigned char *hwaddr;
-	int hwlen;
-{
-	struct lease *lease = (struct lease *)hash_lookup (lease_hw_addr_hash,
-							   hwaddr, hwlen);
-	return lease;
-}
-
-struct class *add_class (type, name)
-	int type;
-	char *name;
-{
-	struct class *class = new_class ("add_class");
-	char *tname = (char *)malloc (strlen (name) + 1);
-
-	if (!vendor_class_hash)
-		vendor_class_hash = new_hash ();
-	if (!user_class_hash)
-		user_class_hash = new_hash ();
-
-	if (!tname || !class || !vendor_class_hash || !user_class_hash)
-		return (struct class *)0;
-
-	memset (class, 0, sizeof *class);
-	strcpy (tname, name);
-	class -> name = tname;
-	memset (class -> options, 0, sizeof class -> options);
-	class -> max_lease_time = class -> default_lease_time = 0;
-
-	if (type)
-		add_hash (user_class_hash,
-			  tname, strlen (tname), (unsigned char *)class);
-	else
-		add_hash (user_class_hash,
-			  tname, strlen (tname), (unsigned char *)class);
-	return class;
-}
-
-struct class *find_class (type, name, len)
-	int type;
-	char *name;
-	int len;
-{
-	struct class *class =
-		(struct class *)hash_lookup (type
-					     ? user_class_hash
-					     : vendor_class_hash, name, len);
-	return class;
-}	
-
-/* Write all interesting leases to permanent storage. */
-
-void write_leases ()
-{
-	struct lease *l;
-	struct shared_network *s;
-	int i;
-
-	for (s = shared_networks; s; s = s -> next) {
-		for (l = s -> leases; l; l = l -> next) {
-			if (l -> hardware_addr.hlen || l -> uid_len)
-				write_lease (l);
-		}
-	}
-	commit_leases ();
-}
-
-void dump_subnets ()
-{
-	struct lease *l;
-	struct shared_network *s;
-	struct subnet *n;
-	int i;
-
-	for (n = s -> subnets; n; n = n -> next_subnet) {
-		debug ("Subnet %s", piaddr (n -> net));
-		debug ("   netmask %s",
-		       piaddr (n -> netmask));
-	}
-	for (l = s -> leases; l; l = l -> next) {
-		print_lease (l);
-	}
-	debug ("Last Lease:");
-	print_lease (s -> last_lease);
-}
diff --git a/common/nit.c b/common/nit.c
deleted file mode 100644
index 48c0525e..00000000
--- a/common/nit.c
+++ /dev/null
@@ -1,324 +0,0 @@
-/* nit.c
-
-   Network Interface Tap (NIT) network interface code, by Ted Lemon
-   with one crucial tidbit of help from Stu Grossmen. */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.  */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-#if defined (USE_NIT_SEND) || defined (USE_NIT_RECEIVE)
-#include <sys/ioctl.h>
-#include <sys/uio.h>
-
-#include <sys/time.h>
-#include <net/nit.h>
-#include <net/nit_if.h>
-#include <net/nit_pf.h>
-#include <net/nit_buf.h>
-#include <sys/stropts.h>
-#include <net/packetfilt.h>
-
-#include <netinet/in_systm.h>
-#include "includes/netinet/ip.h"
-#include "includes/netinet/udp.h"
-#include "includes/netinet/if_ether.h"
-
-/* Called by get_interface_list for each interface that's discovered.
-   Opens a packet filter for each interface and adds it to the select
-   mask. */
-
-int if_register_nit (info, ifp)
-	struct interface_info *info;
-	struct ifreq *ifp;
-{
-	int sock;
-	char filename[50];
-	struct ifreq ifr;
-	struct strioctl sio;
-
-	/* Open a NIT device */
-	sock = open ("/dev/nit", O_RDWR);
-	if (sock < 0)
-		error ("Can't open NIT device: %m");
-
-	/* Set the NIT device to point at this interface. */
-	sio.ic_cmd = NIOCBIND;
-	sio.ic_len = sizeof *ifp;
-	sio.ic_dp = (char *)ifp;
-	if (ioctl (sock, I_STR, &sio) < 0)
-		error ("Can't attach interface to nit device: %m");
-
-	/* Get the low-level address... */
-	sio.ic_cmd = SIOCGIFADDR;
-	sio.ic_len = sizeof ifr;
-	sio.ic_dp = (char *)&ifr;
-	if (ioctl (sock, I_STR, &sio) < 0)
-		error ("Can't get physical layer address: %m");
-
-	/* XXX code below assumes ethernet interface! */
-	info -> hw_address.hlen = 6;
-	info -> hw_address.htype = ARPHRD_ETHER;
-	memcpy (info -> hw_address.haddr, ifr.ifr_ifru.ifru_addr.sa_data, 6);
-
-	if (ioctl (sock, I_PUSH, "pf") < 0)
-		error ("Can't push packet filter onto NIT: %m");
-
-	return sock;
-}
-#endif /* USE_NIT_SEND || USE_NIT_RECEIVE */
-
-#ifdef USE_NIT_SEND
-void if_register_send (info, interface)
-	struct interface_info *info;
-	struct ifreq *interface;
-{
-	/* If we're using the nit API for sending and receiving,
-	   we don't need to register this interface twice. */
-#ifndef USE_NIT_RECEIVE
-	struct packetfilt pf;
-	struct strioctl sio;
-
-	info -> wfdesc = if_register_nit (info, interface);
-
-	pf.Pf_Priority = 0;
-	pf.Pf_FilterLen = 1;
-	pf.Pf_Filter [0] = ENF_PUSHZERO;
-
-	/* Set up an NIT filter that rejects everything... */
-	sio.ic_cmd = NIOCSETF;
-	sio.ic_len = sizeof pf;
-	sio.ic_dp = (char *)&pf;
-	if (ioctl (info -> wfdesc, I_STR, &sio) < 0)
-		error ("Can't set NIT filter: %m");
-#else
-	info -> wfdesc = info -> rfdesc;
-#endif
-	note ("Sending on   NIT/%s/%s",
-	      print_hw_addr (info -> hw_address.htype,
-			     info -> hw_address.hlen,
-			     info -> hw_address.haddr),
-	      (info -> shared_network ?
-	       info -> shared_network -> name : "unattached"));
-}
-#endif /* USE_NIT_SEND */
-
-#ifdef USE_NIT_RECEIVE
-/* Packet filter program...
-   XXX Changes to the filter program may require changes to the constant
-   offsets used in if_register_send to patch the NIT program! XXX */
-
-void if_register_receive (info, interface)
-	struct interface_info *info;
-	struct ifreq *interface;
-{
-	int flag = 1;
-	u_int32_t x;
-	struct packetfilt pf;
-	struct strioctl sio;
-	u_int16_t addr [2];
-	struct timeval t;
-
-	/* Open a NIT device and hang it on this interface... */
-	info -> rfdesc = if_register_nit (info, interface);
-
-	/* Set the snap length to 0, which means always take the whole
-	   packet. */
-	x = 0;
-	if (ioctl (info -> rfdesc, NIOCSSNAP, &x) < 0)
-		error ("Can't set NIT snap length: %m");
-
-	/* Set the stream to byte stream mode */
-	if (ioctl (info -> rfdesc, I_SRDOPT, RMSGN) != 0)
-		note ("I_SRDOPT failed: %m");
-
-#if 0
-	/* Push on the chunker... */
-	if (ioctl (info -> rfdesc, I_PUSH, "nbuf") < 0)
-		error ("Can't push chunker onto NIT STREAM: %m");
-
-	/* Set the timeout to zero. */
-	t.tv_sec = 0;
-	t.tv_usec = 0;
-	if (ioctl (info -> rfdesc, NIOCSTIME, &t) < 0)
-		error ("Can't set chunk timeout: %m");
-#endif
-
-	/* Ask for no header... */
-	x = 0;
-	if (ioctl (info -> rfdesc, NIOCSFLAGS, &x) < 0)
-		error ("Can't set NIT flags: %m");
-
-	/* Set up the NIT filter program. */
-	/* XXX Unlike the BPF filter program, this one won't work if the
-	   XXX IP packet is fragmented or if there are options on the IP
-	   XXX header. */
-	pf.Pf_Priority = 0;
-	pf.Pf_FilterLen = 0;
-
-	pf.Pf_Filter [pf.Pf_FilterLen++] = ENF_PUSHWORD + 6;
-	pf.Pf_Filter [pf.Pf_FilterLen++] = ENF_PUSHLIT + ENF_CAND;
-	pf.Pf_Filter [pf.Pf_FilterLen++] = htons (ETHERTYPE_IP);
-	pf.Pf_Filter [pf.Pf_FilterLen++] = ENF_PUSHLIT;
-	pf.Pf_Filter [pf.Pf_FilterLen++] = htons (IPPROTO_UDP);
-	pf.Pf_Filter [pf.Pf_FilterLen++] = ENF_PUSHWORD + 11;
-	pf.Pf_Filter [pf.Pf_FilterLen++] = ENF_PUSHLIT + ENF_AND;
-	pf.Pf_Filter [pf.Pf_FilterLen++] = htons (0xFF);
-	pf.Pf_Filter [pf.Pf_FilterLen++] = ENF_CAND;
-	pf.Pf_Filter [pf.Pf_FilterLen++] = ENF_PUSHWORD + 18;
-	pf.Pf_Filter [pf.Pf_FilterLen++] = ENF_PUSHLIT + ENF_CAND;
-	pf.Pf_Filter [pf.Pf_FilterLen++] = server_port;
-
-	/* Install the filter... */
-	sio.ic_cmd = NIOCSETF;
-	sio.ic_len = sizeof pf;
-	sio.ic_dp = (char *)&pf;
-	if (ioctl (info -> rfdesc, I_STR, &sio) < 0)
-		error ("Can't set NIT filter: %m");
-
-	note ("Listening on NIT/%s/%s",
-	      print_hw_addr (info -> hw_address.htype,
-			     info -> hw_address.hlen,
-			     info -> hw_address.haddr),
-	      (info -> shared_network ?
-	       info -> shared_network -> name : "unattached"));
-}
-#endif /* USE_NIT_RECEIVE */
-
-#ifdef USE_NIT_SEND
-size_t send_packet (interface, packet, raw, len, from, to, hto)
-	struct interface_info *interface;
-	struct packet *packet;
-	struct dhcp_packet *raw;
-	size_t len;
-	struct in_addr from;
-	struct sockaddr_in *to;
-	struct hardware *hto;
-{
-	int bufp;
-	unsigned char buf [1536 + sizeof (struct sockaddr)];
-	struct sockaddr *junk;
-	struct strbuf ctl, data;
-	int hw_end;
-	struct sockaddr_in foo;
-
-	/* Start with the sockaddr struct... */
-	junk = (struct sockaddr *)&buf [0];
-	bufp = ((unsigned char *)&junk -> sa_data [0]) - &buf [0];
-
-	/* Assemble the headers... */
-	assemble_hw_header (interface, buf, &bufp, hto);
-	hw_end = bufp;
-	assemble_udp_ip_header (interface, buf, &bufp, from.s_addr,
-				to -> sin_addr.s_addr, to -> sin_port,
-				raw, len);
-
-	/* Copy the data into the buffer (yuk). */
-	memcpy (buf + bufp, raw, len);
-
-	/* Set up the sockaddr structure... */
-#if USE_SIN_LEN
-	junk -> sa_len = hw_end - 2; /* XXX */
-#endif
-	junk -> sa_family = AF_UNSPEC;
-
-#if 0 /* Already done. */
-	memcpy (junk.sa_data, buf, hw_len);
-#endif
-
-	/* Set up the msg_buf structure... */
-	ctl.buf = (char *)&buf [0];
-	ctl.maxlen = ctl.len = hw_end;
-	data.buf = (char *)&buf [hw_end];
-	data.maxlen = data.len = bufp + len - hw_end;
-
-	return putmsg (interface -> wfdesc, &ctl, &data, 0);
-}
-#endif /* USE_NIT_SEND */
-
-#ifdef USE_NIT_RECEIVE
-size_t receive_packet (interface, buf, len, from, hfrom)
-	struct interface_info *interface;
-	unsigned char *buf;
-	size_t len;
-	struct sockaddr_in *from;
-	struct hardware *hfrom;
-{
-	int nread;
-	int length = 0;
-	int offset = 0;
-	unsigned char ibuf [1536];
-	int bufix = 0;
-
-	length = read (interface -> rfdesc, ibuf, sizeof ibuf);
-	if (length <= 0)
-		return length;
-
-	/* Decode the physical header... */
-	offset = decode_hw_header (interface, ibuf, bufix, hfrom);
-
-	/* If a physical layer checksum failed (dunno of any
-	   physical layer that supports this, but WTH), skip this
-	   packet. */
-	if (offset < 0) {
-		return 0;
-	}
-
-	bufix += offset;
-	length -= offset;
-
-	/* Decode the IP and UDP headers... */
-	offset = decode_udp_ip_header (interface, ibuf, bufix,
-				       from, (unsigned char *)0, length);
-
-	/* If the IP or UDP checksum was bad, skip the packet... */
-	if (offset < 0)
-		return 0;
-
-	bufix += offset;
-	length -= offset;
-
-	/* Copy out the data in the packet... */
-	memcpy (buf, &ibuf [bufix], length);
-	return length;
-}
-#endif
diff --git a/common/options.c b/common/options.c
deleted file mode 100644
index 354c10a4..00000000
--- a/common/options.c
+++ /dev/null
@@ -1,520 +0,0 @@
-/* options.c
-
-   DHCP options parsing and reassembly. */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#define DHCP_OPTION_DATA
-#include "dhcpd.h"
-
-/* Parse all available options out of the specified packet. */
-
-void parse_options (packet)
-	struct packet *packet;
-{
-	/* Initially, zero all option pointers. */
-	memset (packet -> options, 0, sizeof (packet -> options));
-
-	/* If we don't see the magic cookie, there's nothing to parse. */
-	if (memcmp (packet -> raw -> options, DHCP_OPTIONS_COOKIE, 4)) {
-		packet -> options_valid = 0;
-		return;
-	}
-
-	/* Go through the options field, up to the end of the packet
-	   or the End field. */
-	parse_option_buffer (packet, &packet -> raw -> options [4],
-			     packet -> packet_length - DHCP_FIXED_NON_UDP + 4);
-	/* If we parsed a DHCP Option Overload option, parse more
-	   options out of the buffer(s) containing them. */
-	if (packet -> options_valid
-	    && packet -> options [DHO_DHCP_OPTION_OVERLOAD].data) {
-		if (packet -> options [DHO_DHCP_OPTION_OVERLOAD].data [0] & 1)
-			parse_option_buffer (packet,
-					     packet -> raw -> file,
-					     sizeof packet -> raw -> file);
-		if (packet -> options [DHO_DHCP_OPTION_OVERLOAD].data [0] & 2)
-			parse_option_buffer (packet,
-					     packet -> raw -> sname,
-					     sizeof packet -> raw -> sname);
-	}
-}
-
-/* Parse options out of the specified buffer, storing addresses of option
-   values in packet -> options and setting packet -> options_valid if no
-   errors are encountered. */
-
-void parse_option_buffer (packet, buffer, length)
-	struct packet *packet;
-	unsigned char *buffer;
-	int length;
-{
-	unsigned char *s, *t;
-	unsigned char *end = buffer + length;
-	int len;
-	int code;
-
-	for (s = buffer; *s != DHO_END && s < end; ) {
-		code = s [0];
-		/* Pad options don't have a length - just skip them. */
-		if (code == DHO_PAD) {
-			++s;
-			continue;
-		}
-		/* All other fields (except end, see above) have a
-		   one-byte length. */
-		len = s [1];
-
-		/* If the length is outrageous, the options are bad. */
-		if (s + len + 2 > end) {
-			warn ("Option %s length %d overflows input buffer.",
-			      dhcp_options [code].name,
-			      len);
-			packet -> options_valid = 0;
-			return;
-		}
-		/* If we haven't seen this option before, just make
-		   space for it and copy it there. */
-		if (!packet -> options [code].data) {
-			if (!(t = (unsigned char *)malloc (len + 1)))
-				error ("Can't allocate storage for option %s.",
-				       dhcp_options [code].name);
-			/* Copy and NUL-terminate the option (in case it's an
-			   ASCII string. */
-			memcpy (t, &s [2], len);
-			t [len] = 0;
-			packet -> options [code].len = len;
-			packet -> options [code].data = t;
-		} else {
-			/* If it's a repeat, concatenate it to whatever
-			   we last saw.   This is really only required
-			   for clients, but what the heck... */
-			t = (unsigned char *)
-				malloc (len + packet -> options [code].len);
-			if (!t)
-				error ("Can't expand storage for option %s.",
-				       dhcp_options [code].name);
-			memcpy (t, packet -> options [code].data,
-				packet -> options [code].len);
-			memcpy (t + packet -> options [code].len,
-				&s [2], len);
-			packet -> options [code].len += len;
-			t [packet -> options [code].len] = 0;
-			free (packet -> options [code].data);
-			packet -> options [code].data = t;
-		}
-		s += len + 2;
-	}
-	packet -> options_valid = 1;
-}
-
-/* cons options into a big buffer, and then split them out into the
-   three seperate buffers if needed.  This allows us to cons up a set
-   of vendor options using the same routine. */
-
-void cons_options (inpacket, outpacket, options, overload)
-	struct packet *inpacket;
-	struct packet *outpacket;
-	struct tree_cache **options;
-	int overload;	/* Overload flags that may be set. */
-{
-	unsigned char priority_list [300];
-	int priority_len;
-	unsigned char buffer [4096];	/* Really big buffer... */
-	int main_buffer_size;
-	int mainbufix, bufix;
-	int option_size;
-	int result;
-	int i;
-
-	/* If the client has provided a maximum DHCP message size,
-	   use that.   Otherwise, we use the default MTU size (576 bytes). */
-	/* XXX Maybe it would be safe to assume that we can send a packet
-	   to the client that's as big as the one it sent us, even if it
-	   didn't specify a large MTU. */
-	if (inpacket && inpacket -> options [DHO_DHCP_MAX_MESSAGE_SIZE].data) {
-		main_buffer_size =
-			(getUShort (inpacket -> options
-				    [DHO_DHCP_MAX_MESSAGE_SIZE].data)
-			 - DHCP_FIXED_LEN);
-		/* Enforce a minimum packet size... */
-		if (main_buffer_size < (576 - DHCP_FIXED_LEN))
-			main_buffer_size = 576 - DHCP_FIXED_LEN;
-	} else
-		main_buffer_size = 576 - DHCP_FIXED_LEN;
-
-	/* Preload the option priority list with mandatory options. */
-	priority_len = 0;
-	priority_list [priority_len++] = DHO_DHCP_MESSAGE_TYPE;
-	priority_list [priority_len++] = DHO_DHCP_SERVER_IDENTIFIER;
-	priority_list [priority_len++] = DHO_DHCP_LEASE_TIME;
-	priority_list [priority_len++] = DHO_DHCP_MESSAGE;
-
-	/* If the client has provided a list of options that it wishes
-	   returned, use it to prioritize.  Otherwise, prioritize
-	   based on the default priority list. */
-
-	if (inpacket &&
-	    inpacket -> options [DHO_DHCP_PARAMETER_REQUEST_LIST].data) {
-		memcpy (&priority_list [priority_len],
-			inpacket -> options
-				[DHO_DHCP_PARAMETER_REQUEST_LIST].data,
-			inpacket -> options
-				[DHO_DHCP_PARAMETER_REQUEST_LIST].len);
-		priority_len +=
-			inpacket -> options
-				[DHO_DHCP_PARAMETER_REQUEST_LIST].len;
-	} else {
-		memcpy (&priority_list [priority_len],
-			dhcp_option_default_priority_list,
-			sizeof_dhcp_option_default_priority_list);
-		priority_len += sizeof_dhcp_option_default_priority_list;
-	}
-
-	/* Copy the options into the big buffer... */
-	option_size = store_options (buffer,
-				     (main_buffer_size - 7 +
-				      ((overload & 1) ? DHCP_FILE_LEN : 0) +
-				      ((overload & 2) ? DHCP_SNAME_LEN : 0)),
-				     options, priority_list, priority_len,
-				     main_buffer_size,
-				     (main_buffer_size +
-				      ((overload & 1) ? DHCP_FILE_LEN : 0)));
-
-	/* Put the cookie up front... */
-	memcpy (outpacket -> raw -> options, DHCP_OPTIONS_COOKIE, 4);
-	mainbufix = 4;
-
-	/* If we're going to have to overload, store the overload
-	   option at the beginning.  If we can, though, just store the
-	   whole thing in the packet's option buffer and leave it at
-	   that. */
-	if (option_size <= main_buffer_size - mainbufix) {
-		memcpy (&outpacket -> raw -> options [mainbufix],
-			buffer, option_size);
-		mainbufix += option_size;
-		if (mainbufix < main_buffer_size)
-			outpacket -> raw -> options [mainbufix++]
-				= DHO_END;
-		outpacket -> packet_length = DHCP_FIXED_NON_UDP + mainbufix;
-	} else {
-		outpacket -> raw -> options [mainbufix++] =
-			DHO_DHCP_OPTION_OVERLOAD;
-		outpacket -> raw -> options [mainbufix++] = 1;
-		if (option_size > main_buffer_size - mainbufix + DHCP_FILE_LEN)
-			outpacket -> raw -> options [mainbufix++] = 3;
-		else
-			outpacket -> raw -> options [mainbufix++] = 1;
-
-		memcpy (&outpacket -> raw -> options [mainbufix],
-			buffer, main_buffer_size - mainbufix);
-		bufix = main_buffer_size - mainbufix;
-		outpacket -> packet_length = DHCP_FIXED_NON_UDP + mainbufix;
-		if (overload & 1) {
-			if (option_size - bufix <= DHCP_FILE_LEN) {
-				memcpy (outpacket -> raw -> file,
-					&buffer [bufix], option_size - bufix);
-				mainbufix = option_size - bufix;
-				if (mainbufix < DHCP_FILE_LEN)
-					outpacket -> raw -> file [mainbufix++]
-						= DHO_END;
-				while (mainbufix < DHCP_FILE_LEN)
-					outpacket -> raw -> file [mainbufix++]
-						= DHO_PAD;
-			} else {
-				memcpy (outpacket -> raw -> file,
-					&buffer [bufix], DHCP_FILE_LEN);
-				bufix += DHCP_FILE_LEN;
-			}
-		}
-		if ((overload & 2) && option_size < bufix) {
-			memcpy (outpacket -> raw -> sname,
-				&buffer [bufix], option_size - bufix);
-
-			mainbufix = option_size - bufix;
-			if (mainbufix < DHCP_SNAME_LEN)
-				outpacket -> raw -> file [mainbufix++]
-					= DHO_END;
-			while (mainbufix < DHCP_SNAME_LEN)
-				outpacket -> raw -> file [mainbufix++]
-					= DHO_PAD;
-		}
-	}
-	return;
-}
-
-/* Store all the requested options into the requested buffer. */
-
-int store_options (buffer, buflen, options, priority_list, priority_len,
-		   first_cutoff, second_cutoff)
-	unsigned char *buffer;
-	int buflen;
-	struct tree_cache **options;
-	unsigned char *priority_list;
-	int priority_len;
-	int first_cutoff, second_cutoff;
-{
-	int bufix = 0;
-	int option_stored [256];
-	int missed = 0;
-	int missed_code = 0;
-	int missed_length = 0;
-	int result;
-	int i;
-	int ix;
-
-	/* Zero out the stored-lengths array. */
-	memset (option_stored, 0, sizeof option_stored);
-
-	/* Copy out the options in the order that they appear in the
-	   priority list... */
-	for (i = 0; i < priority_len; i++) {
-		/* Code for next option to try to store. */
-		int code = priority_list [i];
-		int optstart;
-
-		/* Number of bytes left to store (some may already
-		   have been stored by a previous pass). */
-		int length;
-
-		/* If no data is available for this option, skip it. */
-		if (!options [code]) {
-			continue;
-		}
-
-		/* The client could ask for things that are mandatory,
-		   in which case we should avoid storing them twice... */
-		if (option_stored [code])
-			continue;
-		option_stored [code] = 1;
-
-		/* Find the value of the option... */
-		if (!tree_evaluate (options [code])) {
-			continue;
-		}
-
-		/* We should now have a constant length for the option. */
-		length = options [code] -> len;
-
-		/* Try to store the option. */
-
-		/* If the option's length is more than 255, we must store it
-		   in multiple hunks.   Store 255-byte hunks first.  However,
-		   in any case, if the option data will cross a buffer
-		   boundary, split it across that boundary. */
-
-		ix = 0;
-
-		optstart = bufix;
-		while (length) {
-			unsigned char incr = length > 255 ? 255 : length;
-
-			/* If this hunk of the buffer will cross a
-			   boundary, only go up to the boundary in this
-			   pass. */
-			if (bufix < first_cutoff &&
-			    bufix + incr > first_cutoff)
-				incr = first_cutoff - bufix;
-			else if (bufix < second_cutoff &&
-				 bufix + incr > second_cutoff)
-				incr = second_cutoff - bufix;
-
-			/* If this option is going to overflow the buffer,
-			   skip it. */
-			if (bufix + 2 + incr > buflen) {
-				bufix = optstart;
-				break;
-			}
-
-			/* Everything looks good - copy it in! */
-			buffer [bufix] = code;
-			buffer [bufix + 1] = incr;
-			memcpy (buffer + bufix + 2,
-				options [code] -> value + ix, incr);
-			length -= incr;
-			ix += incr;
-			bufix += 2 + incr;
-		}
-	}
-	return bufix;
-}
-
-/* Format the specified option so that a human can easily read it. */
-
-char *pretty_print_option (code, data, len)
-	unsigned char code;
-	unsigned char *data;
-	int len;
-{
-	static char optbuf [32768]; /* XXX */
-	int hunksize = 0;
-	int numhunk = -1;
-	int numelem = 0;
-	char fmtbuf [32];
-	int i, j;
-	char *op = optbuf;
-	unsigned char *dp = data;
-	struct in_addr foo;
-
-	/* Figure out the size of the data. */
-	for (i = 0; dhcp_options [code].format [i]; i++) {
-		if (!numhunk) {
-			warn ("%s: Excess information in format string: %s\n",
-			      dhcp_options [code].name,
-			      &(dhcp_options [code].format [i]));
-			break;
-		}
-		numelem++;
-		fmtbuf [i] = dhcp_options [code].format [i];
-		switch (dhcp_options [code].format [i]) {
-		      case 'A':
-			--numelem;
-			fmtbuf [i] = 0;
-			numhunk = 0;
-			break;
-		      case 't':
-			fmtbuf [i] = 't';
-			fmtbuf [i + 1] = 0;
-			numhunk = -2;
-			break;
-		      case 'I':
-		      case 'l':
-		      case 'L':
-			hunksize += 4;
-			break;
-		      case 's':
-		      case 'S':
-			hunksize += 2;
-			break;
-		      case 'b':
-		      case 'B':
-		      case 'f':
-			hunksize++;
-			break;
-		      case 'e':
-			break;
-		      default:
-			warn ("%s: garbage in format string: %s\n",
-			      dhcp_options [code].name,
-			      &(dhcp_options [code].format [i]));
-			break;
-		} 
-	}
-
-	/* Check for too few bytes... */
-	if (hunksize > len) {
-		warn ("%s: expecting at least %d bytes; got %d",
-		      dhcp_options [code].name,
-		      hunksize, len);
-		return "<error>";
-	}
-	/* Check for too many bytes... */
-	if (numhunk == -1 && hunksize < len)
-		warn ("%s: %d extra bytes",
-		      dhcp_options [code].name,
-		      len - hunksize);
-
-	/* If this is an array, compute its size. */
-	if (!numhunk)
-		numhunk = len / hunksize;
-	/* See if we got an exact number of hunks. */
-	if (numhunk > 0 && numhunk * hunksize < len)
-		warn ("%s: %d extra bytes at end of array\n",
-		      dhcp_options [code].name,
-		      len - numhunk * hunksize);
-
-	/* A one-hunk array prints the same as a single hunk. */
-	if (numhunk < 0)
-		numhunk = 1;
-
-	/* Cycle through the array (or hunk) printing the data. */
-	for (i = 0; i < numhunk; i++) {
-		for (j = 0; j < numelem; j++) {
-			switch (fmtbuf [j]) {
-			      case 't':
-				strcpy (op, dp);
-				break;
-			      case 'I':
-				foo.s_addr = htonl (getULong (dp));
-				strcpy (op, inet_ntoa (foo));
-				dp += 4;
-				break;
-			      case 'l':
-				sprintf (op, "%ld", getLong (dp));
-				dp += 4;
-				break;
-			      case 'L':
-				sprintf (op, "%ld", getULong (dp));
-				dp += 4;
-				break;
-			      case 's':
-				sprintf (op, "%d", getShort (dp));
-				dp += 2;
-				break;
-			      case 'S':
-				sprintf (op, "%d", getUShort (dp));
-				dp += 2;
-				break;
-			      case 'b':
-				sprintf (op, "%d", *(char *)dp++);
-				break;
-			      case 'B':
-				sprintf (op, "%d", *dp++);
-				break;
-			      case 'f':
-				strcpy (op, *dp++ ? "true" : "false");
-				break;
-			      default:
-				warn ("Unexpected format code %c", fmtbuf [j]);
-			}
-			op += strlen (op);
-			*op++ = ' ';
-		}
-	}
-	*--op = 0;
-	return optbuf;
-}
-
-			
-		
diff --git a/common/packet.c b/common/packet.c
deleted file mode 100644
index e5b57528..00000000
--- a/common/packet.c
+++ /dev/null
@@ -1,309 +0,0 @@
-/* packet.c
-
-   Packet assembly code, originally contributed by Archie Cobbs. */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-#if defined (PACKET_ASSEMBLY) || defined (PACKET_DECODING)
-#include <netinet/in_systm.h>
-#include "includes/netinet/ip.h"
-#include "includes/netinet/udp.h"
-#include "includes/netinet/if_ether.h"
-
-static u_int32_t checksum PROTO ((unsigned char *, int, u_int32_t));
-static u_int32_t wrapsum PROTO ((u_int32_t));
-
-/* Compute the easy part of the checksum on a range of bytes. */
-
-static u_int32_t checksum (buf, nbytes, sum)
-	unsigned char *buf;
-	int nbytes;
-	u_int32_t sum;
-{
-	int i;
-
-#ifdef DEBUG_CHECKSUM
-	debug ("checksum (%x %d %x)", buf, nbytes, sum);
-#endif
-
-	/* Checksum all the pairs of bytes first... */
-	for (i = 0; i < (nbytes & ~1); i += 2) {
-#ifdef DEBUG_CHECKSUM_VERBOSE
-		debug ("sum = %x", sum);
-#endif
-		sum += (u_int16_t) ntohs(*((u_int16_t *)buf)++);
-	}	
-
-	/* If there's a single byte left over, checksum it, too.   Network
-	   byte order is big-endian, so the remaining byte is the high byte. */
-	if (i < nbytes) {
-#ifdef DEBUG_CHECKSUM_VERBOSE
-		debug ("sum = %x", sum);
-#endif
-		sum += (*buf) << 8;
-	}
-	
-	return sum;
-}
-
-/* Fold the upper sixteen bits of the checksum down into the lower bits,
-   complement the sum, and then put it into network byte order. */
-
-static u_int32_t wrapsum (sum)
-	u_int32_t sum;
-{
-#ifdef DEBUG_CHECKSUM
-	debug ("wrapsum (%x)", sum);
-#endif
-
-	while (sum > 0x10000) {
-		sum = (sum >> 16) + (sum & 0xFFFF);
-#ifdef DEBUG_CHECKSUM_VERBOSE
-		debug ("sum = %x", sum);
-#endif
-		sum += (sum >> 16);
-#ifdef DEBUG_CHECKSUM_VERBOSE
-		debug ("sum = %x", sum);
-#endif
-	}
-	sum = sum ^ 0xFFFF;
-#ifdef DEBUG_CHECKSUM_VERBOSE
-	debug ("sum = %x", sum);
-#endif
-	
-#ifdef DEBUG_CHECKSUM
-	debug ("wrapsum returns %x", htons (sum));
-#endif
-	return htons(sum);
-}
-#endif /* PACKET_ASSEMBLY || PACKET_DECODING */
-
-#ifdef PACKET_ASSEMBLY
-/* Assemble an hardware header... */
-/* XXX currently only supports ethernet; doesn't check for other types. */
-
-void assemble_hw_header (interface, buf, bufix, to)
-	struct interface_info *interface;
-	unsigned char *buf;
-	int *bufix;
-	struct hardware *to;
-{
-	struct ether_header eh;
-
-	if (to)
-		memcpy (eh.ether_dhost, to -> haddr, sizeof eh.ether_dhost);
-	else
-		memset (eh.ether_dhost, 0xff, sizeof (eh.ether_dhost));
-	if (interface -> hw_address.hlen == sizeof (eh.ether_shost))
-		memcpy (eh.ether_shost, interface -> hw_address.haddr,
-			sizeof (eh.ether_shost));
-	else
-		memset (eh.ether_shost, 0x00, sizeof (eh.ether_shost));
-	eh.ether_type = htons (ETHERTYPE_IP);
-
-	memcpy (&buf [*bufix], &eh, sizeof eh);
-	*bufix += sizeof eh;
-}
-
-/* UDP header and IP header assembled together for convenience. */
-
-void assemble_udp_ip_header (interface, buf, bufix,
-			     from, to, port, data, len)
-	struct interface_info *interface;
-	unsigned char *buf;
-	int *bufix;
-	u_int32_t from;
-	u_int32_t to;
-	u_int16_t port;
-	unsigned char *data;
-	int len;
-{
-	struct ip ip;
-	struct udphdr udp;
-
-	/* Fill out the IP header */
-	ip.ip_v = 4;
-	ip.ip_hl = 5;
-	ip.ip_tos = IPTOS_LOWDELAY;
-	ip.ip_len = htons(sizeof(ip) + sizeof(udp) + len);
-	ip.ip_id = 0;
-	ip.ip_off = 0;
-	ip.ip_ttl = 16;
-	ip.ip_p = IPPROTO_UDP;
-	ip.ip_sum = 0;
-	ip.ip_src.s_addr = from;
-	ip.ip_dst.s_addr = to;
-	
-	/* Checksum the IP header... */
-	ip.ip_sum = wrapsum (checksum ((unsigned char *)&ip, sizeof ip, 0));
-	
-	/* Copy the ip header into the buffer... */
-	memcpy (&buf [*bufix], &ip, sizeof ip);
-	*bufix += sizeof ip;
-
-	/* Fill out the UDP header */
-	udp.uh_sport = server_port;		/* XXX */
-	udp.uh_dport = port;			/* XXX */
-	udp.uh_ulen = htons(sizeof(udp) + len);
-	memset (&udp.uh_sum, 0, sizeof udp.uh_sum);
-
-	/* Compute UDP checksums, including the ``pseudo-header'', the UDP
-	   header and the data. */
-
-#if 0
-	udp.uh_sum =
-		wrapsum (checksum ((unsigned char *)&udp, sizeof udp,
-				   checksum (data, len, 
-					     checksum ((unsigned char *)
-						       &ip.ip_src,
-						       sizeof ip.ip_src,
-						       IPPROTO_UDP +
-						       (u_int32_t)
-						       ntohs (udp.uh_ulen)))));
-#endif
-
-	/* Copy the udp header into the buffer... */
-	memcpy (&buf [*bufix], &udp, sizeof udp);
-	*bufix += sizeof udp;
-}
-#endif /* PACKET_ASSEMBLY */
-
-#ifdef PACKET_DECODING
-/* Decode a hardware header... */
-/* XXX currently only supports ethernet; doesn't check for other types. */
-
-size_t decode_hw_header (interface, buf, bufix, from)
-     struct interface_info *interface;
-     unsigned char *buf;
-     int bufix;
-     struct hardware *from;
-{
-  struct ether_header eh;
-
-  memcpy (&eh, buf + bufix, sizeof eh);
-
-#ifdef USERLAND_FILTER
-  if (ntohs (eh.ether_type) != ETHERTYPE_IP)
-	  return -1;
-#endif
-  memcpy (from -> haddr, eh.ether_shost, sizeof (eh.ether_shost));
-  from -> htype = ARPHRD_ETHER;
-  from -> hlen = sizeof eh.ether_shost;
-
-  return sizeof eh;
-}
-
-/* UDP header and IP header decoded together for convenience. */
-
-size_t decode_udp_ip_header (interface, buf, bufix, from, data, len)
-	struct interface_info *interface;
-	unsigned char *buf;
-	int bufix;
-	struct sockaddr_in *from;
-	unsigned char *data;
-	int len;
-{
-  struct ip *ip;
-  struct udphdr *udp;
-  u_int32_t ip_len = (buf [bufix] & 0xf) << 2;
-  u_int32_t sum, usum;
-
-  ip = (struct ip *)(buf + bufix);
-  udp = (struct udphdr *)(buf + bufix + ip_len);
-
-#ifdef USERLAND_FILTER
-  /* Is it a UDP packet? */
-  if (ip -> ip_p != IPPROTO_UDP)
-	  return -1;
-
-  /* Is it to the port we're serving? */
-  if (udp -> uh_dport != server_port)
-	  return -1;
-#endif /* USERLAND_FILTER */
-
-  /* Check the IP header checksum - it should be zero. */
-  if (wrapsum (checksum (buf + bufix, ip_len, 0))) {
-	  note ("Bad IP checksum: %x",
-		wrapsum (checksum (buf + bufix, sizeof *ip, 0)));
-	  return -1;
-  }
-
-  /* Copy out the IP source address... */
-  memcpy (&from -> sin_addr, &ip -> ip_src, 4);
-
-  /* Compute UDP checksums, including the ``pseudo-header'', the UDP
-     header and the data.   If the UDP checksum field is zero, we're
-     not supposed to do a checksum. */
-
-  if (!data) {
-	  data = buf + bufix + ip_len + sizeof *udp;
-	  len -= ip_len + sizeof *udp;
-  }
-
-#if 0
-  usum = udp -> uh_sum;
-  udp -> uh_sum = 0;
-
-  sum = wrapsum (checksum ((unsigned char *)udp, sizeof *udp,
-			   checksum (data, len,
-				     checksum ((unsigned char *)
-					       &ip -> ip_src,
-					       sizeof ip -> ip_src,
-					       IPPROTO_UDP +
-					       (u_int32_t)
-					       ntohs (udp -> uh_ulen)))));
-
-  if (usum && usum != sum) {
-	  note ("Bad udp checksum: %x %x", usum, sum);
-	  return -1;
-  }
-#endif
-
-  /* Copy out the port... */
-  memcpy (&from -> sin_port, &udp -> uh_sport, sizeof udp -> uh_sport);
-
-  return ip_len + sizeof *udp;
-}
-#endif /* PACKET_DECODING */
diff --git a/common/print.c b/common/print.c
deleted file mode 100644
index 56463905..00000000
--- a/common/print.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/* print.c
-
-   Turn data structures into printable text. */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-char *print_hw_addr (htype, hlen, data)
-	int htype;
-	int hlen;
-	unsigned char *data;
-{
-	static char habuf [49];
-	char *s;
-	int i;
-
-	if (htype == 0 || hlen == 0) {
-		strcpy (habuf, "<null>");
-	} else {
-		s = habuf;
-		for (i = 0; i < hlen; i++) {
-			sprintf (s, "%x", data [i]);
-			s += strlen (s);
-			*s++ = ':';
-		}
-		*--s = 0;
-	}
-	return habuf;
-}
-
-void print_lease (lease)
-	struct lease *lease;
-{
-	struct tm *t;
-	char tbuf [32];
-
-	debug ("  Lease %s",
-	       piaddr (lease -> ip_addr));
-	
-	t = gmtime (&lease -> starts);
-	strftime (tbuf, sizeof tbuf, "%D %H:%M:%S", t);
-	debug ("  start %s", tbuf);
-	
-	t = gmtime (&lease -> ends);
-	strftime (tbuf, sizeof tbuf, "%D %H:%M:%S", t);
-	debug ("  end %s", tbuf);
-	
-	t = gmtime (&lease -> timestamp);
-	strftime (tbuf, sizeof tbuf, "%D %H:%M:%S", t);
-	debug ("  stamp %s", tbuf);
-	
-	debug ("    hardware addr = %s",
-	       print_hw_addr (lease -> hardware_addr.htype,
-			       lease -> hardware_addr.hlen,
-			       lease -> hardware_addr.haddr));
-	debug ("  host %s  state %x",
-	       lease -> host ? lease -> host -> name : "<none>",
-	       lease -> state);
-}	
-
-void dump_packet (tp)
-	struct packet *tp;
-{
-	struct dhcp_packet *tdp = tp -> raw;
-
-	debug ("packet length %d", tp -> packet_length);
-	debug ("op = %d  htype = %d  hlen = %d  hops = %d",
-	       tdp -> op, tdp -> htype, tdp -> hlen, tdp -> hops);
-	debug ("xid = %x  secs = %d  flags = %x",
-	       tdp -> xid, tdp -> secs, tdp -> flags);
-	debug ("ciaddr = %s", inet_ntoa (tdp -> ciaddr));
-	debug ("yiaddr = %s", inet_ntoa (tdp -> yiaddr));
-	debug ("siaddr = %s", inet_ntoa (tdp -> siaddr));
-	debug ("giaddr = %s", inet_ntoa (tdp -> giaddr));
-	debug ("chaddr = %02.2x:%02.2x:%02.2x:%02.2x:%02.2x:%02.2x",
-	       ((unsigned char *)(tdp -> chaddr)) [0],
-	       ((unsigned char *)(tdp -> chaddr)) [1],
-	       ((unsigned char *)(tdp -> chaddr)) [2],
-	       ((unsigned char *)(tdp -> chaddr)) [3],
-	       ((unsigned char *)(tdp -> chaddr)) [4],
-	       ((unsigned char *)(tdp -> chaddr)) [5]);
-	debug ("filename = %s", tdp -> file);
-	debug ("server_name = %s", tdp -> sname);
-	if (tp -> options_valid) {
-		int i;
-
-		for (i = 0; i < 256; i++) {
-			if (tp -> options [i].data)
-				debug ("  %s = %s",
-					dhcp_options [i].name,
-					pretty_print_option
-					(i, tp -> options [i].data,
-					 tp -> options [i].len));
-		}
-	}
-	debug ("");
-}
-
-void dump_raw (buf, len)
-	unsigned char *buf;
-	int len;
-{
-	int i;
-	char lbuf [80];
-	int lbix = 0;
-
-	for (i = 0; i < len; i++) {
-		if ((i & 15) == 0) {
-			if (lbix)
-				note (lbuf);
-			sprintf (lbuf, "%03x:", i);
-			lbix = 4;
-		} else if ((i & 7) == 0)
-			lbuf [lbix++] = ' ';
-		sprintf (&lbuf [lbix], " %02x", buf [i]);
-		lbix += 3;
-	}
-	note (lbuf);
-}
-
-void hash_dump (table)
-	struct hash_table *table;
-{
-	int i;
-	struct hash_bucket *bp;
-
-	if (!table)
-		return;
-
-	for (i = 0; i < table -> hash_count; i++) {
-		if (!table -> buckets [i])
-			continue;
-		note ("hash bucket %d:", i);
-		for (bp = table -> buckets [i]; bp; bp = bp -> next) {
-			if (bp -> len)
-				dump_raw (bp -> name, bp -> len);
-			else
-				note (bp -> name);
-		}
-	}
-}
-
diff --git a/common/raw.c b/common/raw.c
deleted file mode 100644
index 36a0d5e2..00000000
--- a/common/raw.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/* socket.c
-
-   BSD raw socket interface code... */
-
-/* XXX
-
-   It's not clear how this should work, and that lack of clarity is
-   terribly detrimental to the NetBSD 1.1 kernel - it crashes and
-   burns.
-
-   Using raw sockets ought to be a big win over using BPF or something
-   like it, because you don't need to deal with the complexities of
-   the physical layer, but it appears not to be possible with existing
-   raw socket implementations.  This may be worth revisiting in the
-   future.  For now, this code can probably be considered a curiosity.
-   Sigh. */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.  */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-#include <sys/uio.h>
-
-#if defined (USE_RAW_SEND)
-/* Generic interface registration routine... */
-void if_register_send (info, interface)
-	struct interface_info *info;
-	struct ifreq *interface;
-{
-	struct sockaddr_in name;
-	int sock;
-	struct socklist *tmp;
-	int flag;
-
-	/* Set up the address we're going to connect to. */
-	name.sin_family = AF_INET;
-	name.sin_port = server_port;
-	name.sin_addr.s_addr = htonl (INADDR_BROADCAST);
-	memset (name.sin_zero, 0, sizeof (name.sin_zero));
-
-	/* List addresses on which we're listening. */
-	note ("Sending on %s, port %d",
-	      piaddr (info -> address), htons (server_port));
-	if ((sock = socket (AF_INET, SOCK_RAW, IPPROTO_RAW)) < 0)
-		error ("Can't create dhcp socket: %m");
-
-	/* Set the BROADCAST option so that we can broadcast DHCP responses. */
-	flag = 1;
-	if (setsockopt (sock, SOL_SOCKET, SO_BROADCAST,
-			&flag, sizeof flag) < 0)
-		error ("Can't set SO_BROADCAST option on dhcp socket: %m");
-
-	/* Set the IP_HDRINCL flag so that we can supply our own IP
-	   headers... */
-	if (setsockopt (sock, IPPROTO_IP, IP_HDRINCL, &flag, sizeof flag) < 0)
-		error ("Can't set IP_HDRINCL flag: %m");
-
-	info -> wfdesc = sock;
-	note ("Sending on   Raw/%s/%s",
-	      info -> name,
-	      (info -> shared_network ?
-	       info -> shared_network -> name : "unattached"));
-}
-
-size_t send_packet (interface, packet, raw, len, from, to, hto)
-	struct interface_info *interface;
-	struct packet *packet;
-	struct dhcp_packet *raw;
-	size_t len;
-	struct in_addr from;
-	struct sockaddr_in *to;
-	struct hardware *hto;
-{
-	unsigned char buf [256];
-	int bufp = 0;
-	struct iovec iov [2];
-
-	/* Assemble the headers... */
-	assemble_udp_ip_header (interface, buf, &bufp, from.s_addr,
-				to -> sin_addr.s_addr, to -> sin_port,
-				(unsigned char *)raw, len);
-
-	/* Fire it off */
-	iov [0].iov_base = (char *)buf;
-	iov [0].iov_len = bufp;
-	iov [1].iov_base = (char *)raw;
-	iov [1].iov_len = len;
-
-	return writev(interface -> wfdesc, iov, 2);
-}
-#endif /* USE_SOCKET_SEND */
diff --git a/common/socket.c b/common/socket.c
deleted file mode 100644
index bb447527..00000000
--- a/common/socket.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/* socket.c
-
-   BSD socket interface code... */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-#ifdef USE_SOCKET_FALLBACK
-#  define USE_SOCKET_SEND
-#  define if_register_send if_register_fallback
-#  define send_packet send_fallback
-#endif
-
-#if defined (USE_SOCKET_SEND) || defined (USE_SOCKET_RECEIVE)
-/* Generic interface registration routine... */
-int if_register_socket (info, interface)
-	struct interface_info *info;
-	struct ifreq *interface;
-{
-	struct sockaddr_in name;
-	int sock;
-	struct socklist *tmp;
-	int flag;
-	static int once = 0;
-
-	/* Make sure only one interface is registered. */
-	if (once)
-		error ("The standard socket API can only support %s%s%s%s%s",
-		       "hosts with a single network interface.   If you must ",
-		       "run dhcpd on a host with multiple interfaces, ",
-		       "you must compile in BPF or NIT support.   If neither ",
-		       "option is supported on your system, please let us ",
-		       "know.");
-
-	/* Technically, we need to know what interface every packet
-	   comes in on, which means that we can only operate on a
-	   machine with a single interface configured.   However,
-	   we generally don't expect to get broadcast packets on
-	   point-to-point interfaces, so we can bend the rules a bit
-	   and not count them.   This won't allow DHCP-over-PPP,
-	   but it's probably right in a lot of cases, and the issue
-	   will have to be revisited when DHCP-over-PPP support is
-	   done.   Currently we determine whether an interface is
-	   point-to-point by seeing if it has a link-level address.
-	   This only works on 4.4BSD and derivative networking. */
-#ifdef AF_LINK
-	if (info -> hw_address.hlen) /* XXX */
-#endif
-		once = 1;
-
-	/* Set up the address we're going to bind to. */
-	name.sin_family = AF_INET;
-	name.sin_port = server_port;
-	name.sin_addr.s_addr = INADDR_ANY;
-	memset (name.sin_zero, 0, sizeof (name.sin_zero));
-
-	/* Make a socket... */
-	if ((sock = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
-		error ("Can't create dhcp socket: %m");
-
-	/* Set the REUSEADDR option so that we don't fail to start if
-	   we're being restarted. */
-	flag = 1;
-	if (setsockopt (sock, SOL_SOCKET, SO_REUSEADDR,
-			(char *)&flag, sizeof flag) < 0)
-		error ("Can't set SO_REUSEADDR option on dhcp socket: %m");
-
-	/* Set the BROADCAST option so that we can broadcast DHCP responses. */
-	if (setsockopt (sock, SOL_SOCKET, SO_BROADCAST,
-			(char *)&flag, sizeof flag) < 0)
-		error ("Can't set SO_BROADCAST option on dhcp socket: %m");
-
-	/* Bind the socket to this interface's IP address. */
-	if (bind (sock, (struct sockaddr *)&name, sizeof name) < 0)
-		error ("Can't bind to dhcp address: %m");
-
-	return sock;
-}
-#endif /* USE_SOCKET_SEND || USE_SOCKET_RECEIVE */
-
-#ifdef USE_SOCKET_SEND
-void if_register_send (info, interface)
-	struct interface_info *info;
-	struct ifreq *interface;
-
-{
-#ifndef USE_SOCKET_RECEIVE
-	info -> wfdesc = if_register_socket (info, interface);
-#else
-	info -> wfdesc = info -> rfdesc;
-#endif
-	note ("Sending on   Socket/%s/%s",
-	      info -> name,
-	      (info -> shared_network ?
-	       info -> shared_network -> name : "unattached"));
-
-}
-#endif /* USE_SOCKET_SEND */
-
-#ifdef USE_SOCKET_RECEIVE
-void if_register_receive (info, interface)
-	struct interface_info *info;
-	struct ifreq *interface;
-{
-	/* If we're using the socket API for sending and receiving,
-	   we don't need to register this interface twice. */
-	info -> rfdesc = if_register_socket (info, interface);
-	note ("Listening on Socket/%s/%s",
-	      info -> name,
-	      (info -> shared_network ?
-	       info -> shared_network -> name : "unattached"));
-}
-#endif /* USE_SOCKET_RECEIVE */
-
-#ifdef USE_SOCKET_SEND
-size_t send_packet (interface, packet, raw, len, from, to, hto)
-	struct interface_info *interface;
-	struct packet *packet;
-	struct dhcp_packet *raw;
-	size_t len;
-	struct in_addr from;
-	struct sockaddr_in *to;
-	struct hardware *hto;
-{
-	return sendto (interface -> wfdesc, (char *)raw, len, 0,
-		       (struct sockaddr *)to, sizeof *to);
-}
-#endif /* USE_SOCKET_SEND */
-
-#ifdef USE_SOCKET_RECEIVE
-size_t receive_packet (interface, buf, len, from, hfrom)
-	struct interface_info *interface;
-	unsigned char *buf;
-	size_t len;
-	struct sockaddr_in *from;
-	struct hardware *hfrom;
-{
-	int flen = sizeof *from;
-
-	return recvfrom (interface -> rfdesc, buf, len, 0,
-			 (struct sockaddr *)from, &flen);
-}
-#endif /* USE_SOCKET_RECEIVE */
diff --git a/common/tables.c b/common/tables.c
deleted file mode 100644
index 34676e06..00000000
--- a/common/tables.c
+++ /dev/null
@@ -1,671 +0,0 @@
-/* tables.c
-
-   Tables of information... */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-/* DHCP Option names, formats and codes, from RFC1533.
-
-   Format codes:
-
-   e - end of data
-   I - IP address
-   l - 32-bit signed integer
-   L - 32-bit unsigned integer
-   s - 16-bit signed integer
-   S - 16-bit unsigned integer
-   b - 8-bit signed integer
-   B - 8-bit unsigned integer
-   t - ASCII text
-   f - flag (true or false)
-   A - array of whatever precedes (e.g., IA means array of IP addresses)
-*/
-
-struct universe dhcp_universe;
-struct option dhcp_options [256] = {
-	{ "pad", "",					&dhcp_universe, 0 },
-	{ "subnet-mask", "I",				&dhcp_universe, 1 },
-	{ "time-offset", "l",				&dhcp_universe, 2 },
-	{ "routers", "IA",				&dhcp_universe, 3 },
-	{ "time-servers", "IA",				&dhcp_universe, 4 },
-	{ "name-servers", "IA",				&dhcp_universe, 5 },
-	{ "domain-name-servers", "IA",			&dhcp_universe, 6 },
-	{ "log-servers", "IA",				&dhcp_universe, 7 },
-	{ "cookie-servers", "IA",			&dhcp_universe, 8 },
-	{ "lpr-servers", "IA",				&dhcp_universe, 9 },
-	{ "impress-servers", "IA",			&dhcp_universe, 10 },
-	{ "resource-location-servers", "IA",		&dhcp_universe, 11 },
-	{ "host-name", "t",				&dhcp_universe, 12 },
-	{ "boot-size", "S",				&dhcp_universe, 13 },
-	{ "merit-dump", "t",				&dhcp_universe, 14 },
-	{ "domain-name", "t",				&dhcp_universe, 15 },
-	{ "swap-server", "I",				&dhcp_universe, 16 },
-	{ "root-path", "t",				&dhcp_universe, 17 },
-	{ "extensions-path", "t",			&dhcp_universe, 18 },
-	{ "ip-forwarding", "f",				&dhcp_universe, 19 },
-	{ "non-local-source-routing", "f",		&dhcp_universe, 20 },
-	{ "policy-filter", "IIA",			&dhcp_universe, 21 },
-	{ "max-dgram-reassembly", "S",			&dhcp_universe, 22 },
-	{ "default-ip-ttl", "B",			&dhcp_universe, 23 },
-	{ "path-mtu-aging-timeout", "L",		&dhcp_universe, 24 },
-	{ "path-mtu-plateau-table", "SA",		&dhcp_universe, 25 },
-	{ "interface-mtu", "S",				&dhcp_universe, 26 },
-	{ "all-subnets-local", "f",			&dhcp_universe, 27 },
-	{ "broadcast-address", "I",			&dhcp_universe, 28 },
-	{ "perform-mask-discovery", "f",		&dhcp_universe, 29 },
-	{ "mask-supplier", "f",				&dhcp_universe, 30 },
-	{ "router-discovery", "f",			&dhcp_universe, 31 },
-	{ "router-solicitation-address", "I",		&dhcp_universe, 32 },
-	{ "static-routes", "IIA",			&dhcp_universe, 33 },
-	{ "trailer-encapsulation", "f",			&dhcp_universe, 34 },
-	{ "arp-cache-timeout", "L",			&dhcp_universe, 35 },
-	{ "ieee802.3-encapsulation", "f",		&dhcp_universe, 36 },
-	{ "default-tcp-ttl", "B",			&dhcp_universe, 37 },
-	{ "tcp-keepalive-interval", "L",		&dhcp_universe, 38 },
-	{ "tcp-keepalive-garbage", "f",			&dhcp_universe, 39 },
-	{ "nis-domain", "t",				&dhcp_universe, 40 },
-	{ "nis-servers", "IA",				&dhcp_universe, 41 },
-	{ "ntp-servers", "IA",				&dhcp_universe, 42 },
-	{ "vendor-encapsulated-options", "t",		&dhcp_universe, 43 },
-	{ "netbios-name-servers", "IA",			&dhcp_universe, 44 },
-	{ "netbios-dd-server", "IA",			&dhcp_universe, 45 },
-	{ "netbios-node-type", "B",			&dhcp_universe, 46 },
-	{ "netbios-scope", "t",				&dhcp_universe, 47 },
-	{ "font-servers", "IA",				&dhcp_universe, 48 },
-	{ "x-display-manager", "IA",			&dhcp_universe, 49 },
-	{ "dhcp-requested-address", "I",		&dhcp_universe, 50 },
-	{ "dhcp-lease-time", "L",			&dhcp_universe, 51 },
-	{ "dhcp-option-overload", "B",			&dhcp_universe, 52 },
-	{ "dhcp-message-type", "B",			&dhcp_universe, 53 },
-	{ "dhcp-server-identifier", "I",		&dhcp_universe, 54 },
-	{ "dhcp-parameter-request-list", "BA",		&dhcp_universe, 55 },
-	{ "dhcp-message", "t",				&dhcp_universe, 56 },
-	{ "dhcp-max-message-size", "S",			&dhcp_universe, 57 },
-	{ "dhcp-renewal-time", "L",			&dhcp_universe, 58 },
-	{ "dhcp-rebinding-time", "L",			&dhcp_universe, 59 },
-	{ "dhcp-class-identifier", "t",			&dhcp_universe, 60 },
-	{ "dhcp-client-identifier", "BA",		&dhcp_universe, 61 },
-	{ "option-62", "",				&dhcp_universe, 62 },
-	{ "option-63", "",				&dhcp_universe, 63 },
-	{ "option-64", "",				&dhcp_universe, 64 },
-	{ "option-65", "",				&dhcp_universe, 65 },
-	{ "option-66", "",				&dhcp_universe, 66 },
-	{ "option-67", "",				&dhcp_universe, 67 },
-	{ "option-68", "",				&dhcp_universe, 68 },
-	{ "option-69", "",				&dhcp_universe, 69 },
-	{ "option-70", "",				&dhcp_universe, 70 },
-	{ "option-71", "",				&dhcp_universe, 71 },
-	{ "option-72", "",				&dhcp_universe, 72 },
-	{ "option-73", "",				&dhcp_universe, 73 },
-	{ "option-74", "",				&dhcp_universe, 74 },
-	{ "option-75", "",				&dhcp_universe, 75 },
-	{ "option-76", "",				&dhcp_universe, 76 },
-	{ "dhcp-user-class-identifier", "t",		&dhcp_universe, 77 },
-	{ "option-78", "",				&dhcp_universe, 78 },
-	{ "option-79", "",				&dhcp_universe, 79 },
-	{ "option-80", "",				&dhcp_universe, 80 },
-	{ "option-81", "",				&dhcp_universe, 81 },
-	{ "option-82", "",				&dhcp_universe, 82 },
-	{ "option-83", "",				&dhcp_universe, 83 },
-	{ "option-84", "",				&dhcp_universe, 84 },
-	{ "option-85", "",				&dhcp_universe, 85 },
-	{ "option-86", "",				&dhcp_universe, 86 },
-	{ "option-87", "",				&dhcp_universe, 87 },
-	{ "option-88", "",				&dhcp_universe, 88 },
-	{ "option-89", "",				&dhcp_universe, 89 },
-	{ "option-90", "",				&dhcp_universe, 90 },
-	{ "option-91", "",				&dhcp_universe, 91 },
-	{ "option-92", "",				&dhcp_universe, 92 },
-	{ "option-93", "",				&dhcp_universe, 93 },
-	{ "option-94", "",				&dhcp_universe, 94 },
-	{ "option-95", "",				&dhcp_universe, 95 },
-	{ "option-96", "",				&dhcp_universe, 96 },
-	{ "option-97", "",				&dhcp_universe, 97 },
-	{ "option-98", "",				&dhcp_universe, 98 },
-	{ "option-99", "",				&dhcp_universe, 99 },
-	{ "option-100", "",				&dhcp_universe, 100 },
-	{ "option-101", "",				&dhcp_universe, 101 },
-	{ "option-102", "",				&dhcp_universe, 102 },
-	{ "option-103", "",				&dhcp_universe, 103 },
-	{ "option-104", "",				&dhcp_universe, 104 },
-	{ "option-105", "",				&dhcp_universe, 105 },
-	{ "option-106", "",				&dhcp_universe, 106 },
-	{ "option-107", "",				&dhcp_universe, 107 },
-	{ "option-108", "",				&dhcp_universe, 108 },
-	{ "option-109", "",				&dhcp_universe, 109 },
-	{ "option-110", "",				&dhcp_universe, 110 },
-	{ "option-111", "",				&dhcp_universe, 111 },
-	{ "option-112", "",				&dhcp_universe, 112 },
-	{ "option-113", "",				&dhcp_universe, 113 },
-	{ "option-114", "",				&dhcp_universe, 114 },
-	{ "option-115", "",				&dhcp_universe, 115 },
-	{ "option-116", "",				&dhcp_universe, 116 },
-	{ "option-117", "",				&dhcp_universe, 117 },
-	{ "option-118", "",				&dhcp_universe, 118 },
-	{ "option-119", "",				&dhcp_universe, 119 },
-	{ "option-120", "",				&dhcp_universe, 120 },
-	{ "option-121", "",				&dhcp_universe, 121 },
-	{ "option-122", "",				&dhcp_universe, 122 },
-	{ "option-123", "",				&dhcp_universe, 123 },
-	{ "option-124", "",				&dhcp_universe, 124 },
-	{ "option-125", "",				&dhcp_universe, 125 },
-	{ "option-126", "",				&dhcp_universe, 126 },
-	{ "option-127", "",				&dhcp_universe, 127 },
-	{ "option-128", "",				&dhcp_universe, 128 },
-	{ "option-129", "",				&dhcp_universe, 129 },
-	{ "option-130", "",				&dhcp_universe, 130 },
-	{ "option-131", "",				&dhcp_universe, 131 },
-	{ "option-132", "",				&dhcp_universe, 132 },
-	{ "option-133", "",				&dhcp_universe, 133 },
-	{ "option-134", "",				&dhcp_universe, 134 },
-	{ "option-135", "",				&dhcp_universe, 135 },
-	{ "option-136", "",				&dhcp_universe, 136 },
-	{ "option-137", "",				&dhcp_universe, 137 },
-	{ "option-138", "",				&dhcp_universe, 138 },
-	{ "option-139", "",				&dhcp_universe, 139 },
-	{ "option-140", "",				&dhcp_universe, 140 },
-	{ "option-141", "",				&dhcp_universe, 141 },
-	{ "option-142", "",				&dhcp_universe, 142 },
-	{ "option-143", "",				&dhcp_universe, 143 },
-	{ "option-144", "",				&dhcp_universe, 144 },
-	{ "option-145", "",				&dhcp_universe, 145 },
-	{ "option-146", "",				&dhcp_universe, 146 },
-	{ "option-147", "",				&dhcp_universe, 147 },
-	{ "option-148", "",				&dhcp_universe, 148 },
-	{ "option-149", "",				&dhcp_universe, 149 },
-	{ "option-150", "",				&dhcp_universe, 150 },
-	{ "option-151", "",				&dhcp_universe, 151 },
-	{ "option-152", "",				&dhcp_universe, 152 },
-	{ "option-153", "",				&dhcp_universe, 153 },
-	{ "option-154", "",				&dhcp_universe, 154 },
-	{ "option-155", "",				&dhcp_universe, 155 },
-	{ "option-156", "",				&dhcp_universe, 156 },
-	{ "option-157", "",				&dhcp_universe, 157 },
-	{ "option-158", "",				&dhcp_universe, 158 },
-	{ "option-159", "",				&dhcp_universe, 159 },
-	{ "option-160", "",				&dhcp_universe, 160 },
-	{ "option-161", "",				&dhcp_universe, 161 },
-	{ "option-162", "",				&dhcp_universe, 162 },
-	{ "option-163", "",				&dhcp_universe, 163 },
-	{ "option-164", "",				&dhcp_universe, 164 },
-	{ "option-165", "",				&dhcp_universe, 165 },
-	{ "option-166", "",				&dhcp_universe, 166 },
-	{ "option-167", "",				&dhcp_universe, 167 },
-	{ "option-168", "",				&dhcp_universe, 168 },
-	{ "option-169", "",				&dhcp_universe, 169 },
-	{ "option-170", "",				&dhcp_universe, 170 },
-	{ "option-171", "",				&dhcp_universe, 171 },
-	{ "option-172", "",				&dhcp_universe, 172 },
-	{ "option-173", "",				&dhcp_universe, 173 },
-	{ "option-174", "",				&dhcp_universe, 174 },
-	{ "option-175", "",				&dhcp_universe, 175 },
-	{ "option-176", "",				&dhcp_universe, 176 },
-	{ "option-177", "",				&dhcp_universe, 177 },
-	{ "option-178", "",				&dhcp_universe, 178 },
-	{ "option-179", "",				&dhcp_universe, 179 },
-	{ "option-180", "",				&dhcp_universe, 180 },
-	{ "option-181", "",				&dhcp_universe, 181 },
-	{ "option-182", "",				&dhcp_universe, 182 },
-	{ "option-183", "",				&dhcp_universe, 183 },
-	{ "option-184", "",				&dhcp_universe, 184 },
-	{ "option-185", "",				&dhcp_universe, 185 },
-	{ "option-186", "",				&dhcp_universe, 186 },
-	{ "option-187", "",				&dhcp_universe, 187 },
-	{ "option-188", "",				&dhcp_universe, 188 },
-	{ "option-189", "",				&dhcp_universe, 189 },
-	{ "option-190", "",				&dhcp_universe, 190 },
-	{ "option-191", "",				&dhcp_universe, 191 },
-	{ "option-192", "",				&dhcp_universe, 192 },
-	{ "option-193", "",				&dhcp_universe, 193 },
-	{ "option-194", "",				&dhcp_universe, 194 },
-	{ "option-195", "",				&dhcp_universe, 195 },
-	{ "option-196", "",				&dhcp_universe, 196 },
-	{ "option-197", "",				&dhcp_universe, 197 },
-	{ "option-198", "",				&dhcp_universe, 198 },
-	{ "option-199", "",				&dhcp_universe, 199 },
-	{ "option-200", "",				&dhcp_universe, 200 },
-	{ "option-201", "",				&dhcp_universe, 201 },
-	{ "option-202", "",				&dhcp_universe, 202 },
-	{ "option-203", "",				&dhcp_universe, 203 },
-	{ "option-204", "",				&dhcp_universe, 204 },
-	{ "option-205", "",				&dhcp_universe, 205 },
-	{ "option-206", "",				&dhcp_universe, 206 },
-	{ "option-207", "",				&dhcp_universe, 207 },
-	{ "option-208", "",				&dhcp_universe, 208 },
-	{ "option-209", "",				&dhcp_universe, 209 },
-	{ "option-210", "",				&dhcp_universe, 210 },
-	{ "option-211", "",				&dhcp_universe, 211 },
-	{ "option-212", "",				&dhcp_universe, 212 },
-	{ "option-213", "",				&dhcp_universe, 213 },
-	{ "option-214", "",				&dhcp_universe, 214 },
-	{ "option-215", "",				&dhcp_universe, 215 },
-	{ "option-216", "",				&dhcp_universe, 216 },
-	{ "option-217", "",				&dhcp_universe, 217 },
-	{ "option-218", "",				&dhcp_universe, 218 },
-	{ "option-219", "",				&dhcp_universe, 219 },
-	{ "option-220", "",				&dhcp_universe, 220 },
-	{ "option-221", "",				&dhcp_universe, 221 },
-	{ "option-222", "",				&dhcp_universe, 222 },
-	{ "option-223", "",				&dhcp_universe, 223 },
-	{ "option-224", "",				&dhcp_universe, 224 },
-	{ "option-225", "",				&dhcp_universe, 225 },
-	{ "option-226", "",				&dhcp_universe, 226 },
-	{ "option-227", "",				&dhcp_universe, 227 },
-	{ "option-228", "",				&dhcp_universe, 228 },
-	{ "option-229", "",				&dhcp_universe, 229 },
-	{ "option-230", "",				&dhcp_universe, 230 },
-	{ "option-231", "",				&dhcp_universe, 231 },
-	{ "option-232", "",				&dhcp_universe, 232 },
-	{ "option-233", "",				&dhcp_universe, 233 },
-	{ "option-234", "",				&dhcp_universe, 234 },
-	{ "option-235", "",				&dhcp_universe, 235 },
-	{ "option-236", "",				&dhcp_universe, 236 },
-	{ "option-237", "",				&dhcp_universe, 237 },
-	{ "option-238", "",				&dhcp_universe, 238 },
-	{ "option-239", "",				&dhcp_universe, 239 },
-	{ "option-240", "",				&dhcp_universe, 240 },
-	{ "option-241", "",				&dhcp_universe, 241 },
-	{ "option-242", "",				&dhcp_universe, 242 },
-	{ "option-243", "",				&dhcp_universe, 243 },
-	{ "option-244", "",				&dhcp_universe, 244 },
-	{ "option-245", "",				&dhcp_universe, 245 },
-	{ "option-246", "",				&dhcp_universe, 246 },
-	{ "option-247", "",				&dhcp_universe, 247 },
-	{ "option-248", "",				&dhcp_universe, 248 },
-	{ "option-249", "",				&dhcp_universe, 249 },
-	{ "option-250", "",				&dhcp_universe, 250 },
-	{ "option-251", "",				&dhcp_universe, 251 },
-	{ "option-252", "",				&dhcp_universe, 252 },
-	{ "option-253", "",				&dhcp_universe, 253 },
-	{ "option-254", "",				&dhcp_universe, 254 },
-	{ "option-end", "e",				&dhcp_universe, 255 },
-};
-
-/* Default dhcp option priority list (this is ad hoc and should not be
-   mistaken for a carefully crafted and optimized list). */
-unsigned char dhcp_option_default_priority_list [] = {
-	DHO_DHCP_REQUESTED_ADDRESS,
-	DHO_DHCP_OPTION_OVERLOAD,
-	DHO_DHCP_MAX_MESSAGE_SIZE,
-	DHO_DHCP_RENEWAL_TIME,
-	DHO_DHCP_REBINDING_TIME,
-	DHO_DHCP_CLASS_IDENTIFIER,
-	DHO_DHCP_CLIENT_IDENTIFIER,
-	DHO_SUBNET_MASK,
-	DHO_TIME_OFFSET,
-	DHO_ROUTERS,
-	DHO_TIME_SERVERS,
-	DHO_NAME_SERVERS,
-	DHO_DOMAIN_NAME_SERVERS,
-	DHO_LOG_SERVERS,
-	DHO_COOKIE_SERVERS,
-	DHO_LPR_SERVERS,
-	DHO_IMPRESS_SERVERS,
-	DHO_RESOURCE_LOCATION_SERVERS,
-	DHO_HOST_NAME,
-	DHO_BOOT_SIZE,
-	DHO_MERIT_DUMP,
-	DHO_DOMAIN_NAME,
-	DHO_SWAP_SERVER,
-	DHO_ROOT_PATH,
-	DHO_EXTENSIONS_PATH,
-	DHO_IP_FORWARDING,
-	DHO_NON_LOCAL_SOURCE_ROUTING,
-	DHO_POLICY_FILTER,
-	DHO_MAX_DGRAM_REASSEMBLY,
-	DHO_DEFAULT_IP_TTL,
-	DHO_PATH_MTU_AGING_TIMEOUT,
-	DHO_PATH_MTU_PLATEAU_TABLE,
-	DHO_INTERFACE_MTU,
-	DHO_ALL_SUBNETS_LOCAL,
-	DHO_BROADCAST_ADDRESS,
-	DHO_PERFORM_MASK_DISCOVERY,
-	DHO_MASK_SUPPLIER,
-	DHO_ROUTER_DISCOVERY,
-	DHO_ROUTER_SOLICITATION_ADDRESS,
-	DHO_STATIC_ROUTES,
-	DHO_TRAILER_ENCAPSULATION,
-	DHO_ARP_CACHE_TIMEOUT,
-	DHO_IEEE802_3_ENCAPSULATION,
-	DHO_DEFAULT_TCP_TTL,
-	DHO_TCP_KEEPALIVE_INTERVAL,
-	DHO_TCP_KEEPALIVE_GARBAGE,
-	DHO_NIS_DOMAIN,
-	DHO_NIS_SERVERS,
-	DHO_NTP_SERVERS,
-	DHO_VENDOR_ENCAPSULATED_OPTIONS,
-	DHO_NETBIOS_NAME_SERVERS,
-	DHO_NETBIOS_DD_SERVER,
-	DHO_NETBIOS_NODE_TYPE,
-	DHO_NETBIOS_SCOPE,
-	DHO_FONT_SERVERS,
-	DHO_X_DISPLAY_MANAGER,
-	DHO_DHCP_PARAMETER_REQUEST_LIST,
-};
-
-int sizeof_dhcp_option_default_priority_list =
-	sizeof dhcp_option_default_priority_list;
-
-
-char *hardware_types [] = {
-	"unknown-0",
-	"ethernet",
-	"unknown-2",
-	"unknown-3",
-	"unknown-4",
-	"unknown-5",
-	"unknown-6",
-	"unknown-7",
-	"unknown-8",
-	"unknown-9",
-	"unknown-10",
-	"unknown-11",
-	"unknown-12",
-	"unknown-13",
-	"unknown-14",
-	"unknown-15",
-	"unknown-16",
-	"unknown-17",
-	"unknown-18",
-	"unknown-19",
-	"unknown-20",
-	"unknown-21",
-	"unknown-22",
-	"unknown-23",
-	"unknown-24",
-	"unknown-25",
-	"unknown-26",
-	"unknown-27",
-	"unknown-28",
-	"unknown-29",
-	"unknown-30",
-	"unknown-31",
-	"unknown-32",
-	"unknown-33",
-	"unknown-34",
-	"unknown-35",
-	"unknown-36",
-	"unknown-37",
-	"unknown-38",
-	"unknown-39",
-	"unknown-40",
-	"unknown-41",
-	"unknown-42",
-	"unknown-43",
-	"unknown-44",
-	"unknown-45",
-	"unknown-46",
-	"unknown-47",
-	"unknown-48",
-	"unknown-49",
-	"unknown-50",
-	"unknown-51",
-	"unknown-52",
-	"unknown-53",
-	"unknown-54",
-	"unknown-55",
-	"unknown-56",
-	"unknown-57",
-	"unknown-58",
-	"unknown-59",
-	"unknown-60",
-	"unknown-61",
-	"unknown-62",
-	"unknown-63",
-	"unknown-64",
-	"unknown-65",
-	"unknown-66",
-	"unknown-67",
-	"unknown-68",
-	"unknown-69",
-	"unknown-70",
-	"unknown-71",
-	"unknown-72",
-	"unknown-73",
-	"unknown-74",
-	"unknown-75",
-	"unknown-76",
-	"unknown-77",
-	"unknown-78",
-	"unknown-79",
-	"unknown-80",
-	"unknown-81",
-	"unknown-82",
-	"unknown-83",
-	"unknown-84",
-	"unknown-85",
-	"unknown-86",
-	"unknown-87",
-	"unknown-88",
-	"unknown-89",
-	"unknown-90",
-	"unknown-91",
-	"unknown-92",
-	"unknown-93",
-	"unknown-94",
-	"unknown-95",
-	"unknown-96",
-	"unknown-97",
-	"unknown-98",
-	"unknown-99",
-	"unknown-100",
-	"unknown-101",
-	"unknown-102",
-	"unknown-103",
-	"unknown-104",
-	"unknown-105",
-	"unknown-106",
-	"unknown-107",
-	"unknown-108",
-	"unknown-109",
-	"unknown-110",
-	"unknown-111",
-	"unknown-112",
-	"unknown-113",
-	"unknown-114",
-	"unknown-115",
-	"unknown-116",
-	"unknown-117",
-	"unknown-118",
-	"unknown-119",
-	"unknown-120",
-	"unknown-121",
-	"unknown-122",
-	"unknown-123",
-	"unknown-124",
-	"unknown-125",
-	"unknown-126",
-	"unknown-127",
-	"unknown-128",
-	"unknown-129",
-	"unknown-130",
-	"unknown-131",
-	"unknown-132",
-	"unknown-133",
-	"unknown-134",
-	"unknown-135",
-	"unknown-136",
-	"unknown-137",
-	"unknown-138",
-	"unknown-139",
-	"unknown-140",
-	"unknown-141",
-	"unknown-142",
-	"unknown-143",
-	"unknown-144",
-	"unknown-145",
-	"unknown-146",
-	"unknown-147",
-	"unknown-148",
-	"unknown-149",
-	"unknown-150",
-	"unknown-151",
-	"unknown-152",
-	"unknown-153",
-	"unknown-154",
-	"unknown-155",
-	"unknown-156",
-	"unknown-157",
-	"unknown-158",
-	"unknown-159",
-	"unknown-160",
-	"unknown-161",
-	"unknown-162",
-	"unknown-163",
-	"unknown-164",
-	"unknown-165",
-	"unknown-166",
-	"unknown-167",
-	"unknown-168",
-	"unknown-169",
-	"unknown-170",
-	"unknown-171",
-	"unknown-172",
-	"unknown-173",
-	"unknown-174",
-	"unknown-175",
-	"unknown-176",
-	"unknown-177",
-	"unknown-178",
-	"unknown-179",
-	"unknown-180",
-	"unknown-181",
-	"unknown-182",
-	"unknown-183",
-	"unknown-184",
-	"unknown-185",
-	"unknown-186",
-	"unknown-187",
-	"unknown-188",
-	"unknown-189",
-	"unknown-190",
-	"unknown-191",
-	"unknown-192",
-	"unknown-193",
-	"unknown-194",
-	"unknown-195",
-	"unknown-196",
-	"unknown-197",
-	"unknown-198",
-	"unknown-199",
-	"unknown-200",
-	"unknown-201",
-	"unknown-202",
-	"unknown-203",
-	"unknown-204",
-	"unknown-205",
-	"unknown-206",
-	"unknown-207",
-	"unknown-208",
-	"unknown-209",
-	"unknown-210",
-	"unknown-211",
-	"unknown-212",
-	"unknown-213",
-	"unknown-214",
-	"unknown-215",
-	"unknown-216",
-	"unknown-217",
-	"unknown-218",
-	"unknown-219",
-	"unknown-220",
-	"unknown-221",
-	"unknown-222",
-	"unknown-223",
-	"unknown-224",
-	"unknown-225",
-	"unknown-226",
-	"unknown-227",
-	"unknown-228",
-	"unknown-229",
-	"unknown-230",
-	"unknown-231",
-	"unknown-232",
-	"unknown-233",
-	"unknown-234",
-	"unknown-235",
-	"unknown-236",
-	"unknown-237",
-	"unknown-238",
-	"unknown-239",
-	"unknown-240",
-	"unknown-241",
-	"unknown-242",
-	"unknown-243",
-	"unknown-244",
-	"unknown-245",
-	"unknown-246",
-	"unknown-247",
-	"unknown-248",
-	"unknown-249",
-	"unknown-250",
-	"unknown-251",
-	"unknown-252",
-	"unknown-253",
-	"unknown-254",
-	"unknown-255" };
-
-
-
-struct hash_table universe_hash;
-
-void initialize_universes()
-{
-	int i;
-
-	dhcp_universe.name = "dhcp";
-	dhcp_universe.hash = new_hash ();
-	if (!dhcp_universe.hash)
-		error ("Can't allocate dhcp option hash table.");
-	for (i = 0; i < 256; i++) {
-		dhcp_universe.options [i] = &dhcp_options [i];
-		add_hash (dhcp_universe.hash, dhcp_options [i].name, 0,
-			  (unsigned char *)&dhcp_options [i]);
-	}
-	universe_hash.hash_count = DEFAULT_HASH_SIZE;
-	add_hash (&universe_hash, dhcp_universe.name, 0,
-		  (unsigned char *)&dhcp_universe);
-}
diff --git a/common/tree.c b/common/tree.c
deleted file mode 100644
index 49f62926..00000000
--- a/common/tree.c
+++ /dev/null
@@ -1,407 +0,0 @@
-/* tree.c
-
-   Routines for manipulating parse trees... */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-static TIME tree_evaluate_recurse PROTO ((int *, unsigned char **, int *,
-					  struct tree *));
-static TIME do_host_lookup PROTO ((int *, unsigned char **, int *,
-					  struct dns_host_entry *));
-static void do_data_copy PROTO ((int *, unsigned char **, int *,
-				 unsigned char *, int));
-
-pair cons (car, cdr)
-	caddr_t car;
-	pair cdr;
-{
-	pair foo = (pair)dmalloc (sizeof *foo, "cons");
-	if (!foo)
-		error ("no memory for cons.");
-	foo -> car = car;
-	foo -> cdr = cdr;
-	return foo;
-}
-
-struct tree_cache *tree_cache (tree)
-	struct tree *tree;
-{
-	struct tree_cache *tc;
-
-	tc = new_tree_cache ("tree_cache");
-	if (!tc)
-		return 0;
-	tc -> value = (unsigned char *)0;
-	tc -> len = tc -> buf_size = 0;
-	tc -> timeout = 0;
-	tc -> tree = tree;
-	return tc;
-}
-
-struct tree *tree_host_lookup (name)
-	char *name;
-{
-	struct tree *nt;
-	nt = new_tree ("tree_host_lookup");
-	if (!nt)
-		error ("No memory for host lookup tree node.");
-	nt -> op = TREE_HOST_LOOKUP;
-	nt -> data.host_lookup.host = enter_dns_host (name);
-	return nt;
-}
-
-struct dns_host_entry *enter_dns_host (name)
-	char *name;
-{
-	struct dns_host_entry *dh;
-
-	if (!(dh = (struct dns_host_entry *)dmalloc
-	      (sizeof (struct dns_host_entry), "enter_dns_host"))
-	    || !(dh -> hostname = dmalloc (strlen (name) + 1,
-					   "enter_dns_host")))
-		error ("Can't allocate space for new host.");
-	strcpy (dh -> hostname, name);
-	dh -> data = (unsigned char *)0;
-	dh -> data_len = 0;
-	dh -> buf_len = 0;
-	dh -> timeout = 0;
-	return dh;
-}
-
-struct tree *tree_const (data, len)
-	unsigned char *data;
-	int len;
-{
-	struct tree *nt;
-	if (!(nt = new_tree ("tree_const"))
-	    || !(nt -> data.const_val.data =
-		 (unsigned char *)dmalloc (len, "tree_const")))
-		error ("No memory for constant data tree node.");
-	nt -> op = TREE_CONST;
-	memcpy (nt -> data.const_val.data, data, len);
-	nt -> data.const_val.len = len;
-	return nt;
-}
-
-struct tree *tree_concat (left, right)
-	struct tree *left, *right;
-{
-	struct tree *nt;
-
-	/* If we're concatenating a null tree to a non-null tree, just
-	   return the non-null tree; if both trees are null, return
-	   a null tree. */
-	if (!left)
-		return right;
-	if (!right)
-		return left;
-
-	/* If both trees are constant, combine them. */
-	if (left -> op == TREE_CONST && right -> op == TREE_CONST) {
-		unsigned char *buf = dmalloc (left -> data.const_val.len
-					      + right -> data.const_val.len,
-					      "tree_concat");
-		if (!buf)
-			error ("No memory to concatenate constants.");
-		memcpy (buf, left -> data.const_val.data,
-			left -> data.const_val.len);
-		memcpy (buf + left -> data.const_val.len,
-			right -> data.const_val.data,
-			right -> data.const_val.len);
-		dfree (left -> data.const_val.data, "tree_concat");
-		dfree (right -> data.const_val.data, "tree_concat");
-		left -> data.const_val.data = buf;
-		left -> data.const_val.len += right -> data.const_val.len;
-		free_tree (right, "tree_concat");
-		return left;
-	}
-			
-	/* Otherwise, allocate a new node to concatenate the two. */
-	if (!(nt = new_tree ("tree_concat")))
-		error ("No memory for data tree concatenation node.");
-	nt -> op = TREE_CONCAT;
-	nt -> data.concat.left = left;
-	nt -> data.concat.right = right;
-	return nt;
-}
-
-struct tree *tree_limit (tree, limit)
-	struct tree *tree;
-	int limit;
-{
-	struct tree *rv;
-
-	/* If the tree we're limiting is constant, limit it now. */
-	if (tree -> op == TREE_CONST) {
-		if (tree -> data.const_val.len > limit)
-			tree -> data.const_val.len = limit;
-		return tree;
-	}
-
-	/* Otherwise, put in a node which enforces the limit on evaluation. */
-	rv = new_tree ("tree_limit");
-	if (!rv)
-		return (struct tree *)0;
-	rv -> op = TREE_LIMIT;
-	rv -> data.limit.tree = tree;
-	rv -> data.limit.limit = limit;
-	return rv;
-}
-
-int tree_evaluate (tree_cache)
-	struct tree_cache *tree_cache;
-{
-	unsigned char *bp = tree_cache -> value;
-	int bc = tree_cache -> buf_size;
-	int bufix = 0;
-
-	/* If there's no tree associated with this cache, it evaluates
-	   to a constant and that was detected at startup. */
-	if (!tree_cache -> tree)
-		return 1;
-
-	/* Try to evaluate the tree without allocating more memory... */
-	tree_cache -> timeout = tree_evaluate_recurse (&bufix, &bp, &bc,
-						       tree_cache -> tree);
-
-	/* No additional allocation needed? */
-	if (bufix <= bc) {
-		tree_cache -> len = bufix;
-		return 1;
-	}
-
-	/* If we can't allocate more memory, return with what we
-	   have (maybe nothing). */
-	if (!(bp = (unsigned char *)dmalloc (bufix, "tree_evaluate")))
-		return 0;
-
-	/* Record the change in conditions... */
-	bc = bufix;
-	bufix = 0;
-
-	/* Note that the size of the result shouldn't change on the
-	   second call to tree_evaluate_recurse, since we haven't
-	   changed the ``current'' time. */
-	tree_evaluate_recurse (&bufix, &bp, &bc, tree_cache -> tree);
-
-	/* Free the old buffer if needed, then store the new buffer
-	   location and size and return. */
-	if (tree_cache -> value)
-		dfree (tree_cache -> value, "tree_evaluate");
-	tree_cache -> value = bp;
-	tree_cache -> len = bufix;
-	tree_cache -> buf_size = bc;
-	return 1;
-}
-
-static TIME tree_evaluate_recurse (bufix, bufp, bufcount, tree)
-	int *bufix;
-	unsigned char **bufp;
-	int *bufcount;
-	struct tree *tree;
-{
-	int limit;
-	TIME t1, t2;
-
-	switch (tree -> op) {
-	      case TREE_CONCAT:
-		t1 = tree_evaluate_recurse (bufix, bufp, bufcount,
-					   tree -> data.concat.left);
-		t2 = tree_evaluate_recurse (bufix, bufp, bufcount,
-					   tree -> data.concat.right);
-		if (t1 > t2)
-			return t2;
-		return t1;
-
-	      case TREE_HOST_LOOKUP:
-		return do_host_lookup (bufix, bufp, bufcount,
-				       tree -> data.host_lookup.host);
-
-	      case TREE_CONST:
-		do_data_copy (bufix, bufp, bufcount,
-			      tree -> data.const_val.data,
-			      tree -> data.const_val.len);
-		t1 = MAX_TIME;
-		return t1;
-
-	      case TREE_LIMIT:
-		limit = *bufix + tree -> data.limit.limit;
-		t1 = tree_evaluate_recurse (bufix, bufp, bufcount,
-					    tree -> data.limit.tree);
-		*bufix = limit;
-		return t1;
-
-	      default:
-		warn ("Bad node id in tree: %d.");
-		t1 = MAX_TIME;
-		return t1;
-	}
-}
-
-static TIME do_host_lookup (bufix, bufp, bufcount, dns)
-	int *bufix;
-	unsigned char **bufp;
-	int *bufcount;
-	struct dns_host_entry *dns;
-{
-	struct hostent *h;
-	int i;
-	int new_len;
-
-#ifdef DEBUG_EVAL
-	debug ("time: now = %d  dns = %d %d  diff = %d",
-	       cur_time, dns -> timeout, cur_time - dns -> timeout);
-#endif
-
-	/* If the record hasn't timed out, just copy the data and return. */
-	if (cur_time <= dns -> timeout) {
-#ifdef DEBUG_EVAL
-		debug ("easy copy: %x %d %x",
-		       dns -> data, dns -> data_len,
-		       dns -> data ? *(int *)(dns -> data) : 0);
-#endif
-		do_data_copy (bufix, bufp, bufcount,
-			      dns -> data, dns -> data_len);
-		return dns -> timeout;
-	}
-#ifdef DEBUG_EVAL
-	debug ("Looking up %s", dns -> hostname);
-#endif
-
-	/* Otherwise, look it up... */
-	h = gethostbyname (dns -> hostname);
-	if (!h) {
-		switch (h_errno) {
-		      case HOST_NOT_FOUND:
-			warn ("%s: host unknown.", dns -> hostname);
-			break;
-		      case TRY_AGAIN:
-			warn ("%s: temporary name server failure",
-			      dns -> hostname);
-			break;
-		      case NO_RECOVERY:
-			warn ("%s: name server failed", dns -> hostname);
-			break;
-		      case NO_DATA:
-			warn ("%s: no A record associated with address",
-			      dns -> hostname);
-		}
-
-		/* Okay to try again after a minute. */
-		return cur_time + 60;
-	}
-
-#ifdef DEBUG_EVAL
-	debug ("Lookup succeeded; first address is %x",
-	       h -> h_addr_list [0]);
-#endif
-
-	/* Count the number of addresses we got... */
-	for (i = 0; h -> h_addr_list [i]; i++)
-		;
-	
-	/* Do we need to allocate more memory? */
-	new_len = i * h -> h_length;
-	if (dns -> buf_len < i) {
-		unsigned char *buf =
-			(unsigned char *)dmalloc (new_len, "do_host_lookup");
-		/* If we didn't get more memory, use what we have. */
-		if (!buf) {
-			new_len = dns -> buf_len;
-			if (!dns -> buf_len) {
-				dns -> timeout = cur_time + 60;
-				return dns -> timeout;
-			}
-		} else {
-			dfree (dns -> data, "do_host_lookup");
-			dns -> data = buf;
-			dns -> buf_len = new_len;
-		}
-	}
-
-	/* Addresses are conveniently stored one to the buffer, so we
-	   have to copy them out one at a time... :'( */
-	for (i = 0; i < new_len / h -> h_length; i++) {
-		memcpy (dns -> data + h -> h_length * i,
-			h -> h_addr_list [i], h -> h_length);
-	}
-#ifdef DEBUG_EVAL
-	debug ("dns -> data: %x  h -> h_addr_list [0]: %x",
-	       *(int *)(dns -> data), h -> h_addr_list [0]);
-#endif
-	dns -> data_len = new_len;
-
-	/* Set the timeout for an hour from now.
-	   XXX This should really use the time on the DNS reply. */
-	dns -> timeout = cur_time + 3600;
-
-#ifdef DEBUG_EVAL
-	debug ("hard copy: %x %d %x",
-	       dns -> data, dns -> data_len, *(int *)(dns -> data));
-#endif
-	do_data_copy (bufix, bufp, bufcount, dns -> data, dns -> data_len);
-	return dns -> timeout;
-}
-
-static void do_data_copy (bufix, bufp, bufcount, data, len)
-	int *bufix;
-	unsigned char **bufp;
-	int *bufcount;
-	unsigned char *data;
-	int len;
-{
-	int space = *bufcount - *bufix;
-
-	/* If there's more space than we need, use only what we need. */
-	if (space > len)
-		space = len;
-
-	/* Copy as much data as will fit, then increment the buffer index
-	   by the amount we actually had to copy, which could be more. */
-	if (space > 0)
-		memcpy (*bufp + *bufix, data, space);
-	*bufix += len;
-}
diff --git a/includes/cdefs.h b/includes/cdefs.h
deleted file mode 100644
index 6a8dcffd..00000000
--- a/includes/cdefs.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/* cdefs.h
-
-   Standard C definitions... */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.
- * All Rights Reserved.
- * Copyright (c) 1995 RadioMail Corporation.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of RadioMail Corporation, the Internet Software
- *    Consortium nor the names of its contributors may be used to endorse
- *    or promote products derived from this software without specific
- *    prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY RADIOMAIL CORPORATION, THE INTERNET
- * SOFTWARE CONSORTIUM AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL RADIOMAIL CORPORATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software was written for RadioMail Corporation by Ted Lemon
- * under a contract with Vixie Enterprises.   Further modifications have
- * been made for the Internet Software Consortium under a contract
- * with Vixie Laboratories.
- */
-
-#if (defined (__GNUC__) || defined (__STDC__)) && !defined (BROKEN_ANSI)
-#define PROTO(x)	x
-#define KandR(x)
-#define ANSI_DECL(x)	x
-#if defined (__GNUC__)
-#define INLINE		inline
-#endif /* __GNUC__ */
-#else
-#define PROTO(x)	()
-#define KandR(x)	x
-#define ANSI_DECL(x)
-#define INLINE
-#endif /* __GNUC__ || __STDC__ */
diff --git a/includes/cf/alphaosf.h b/includes/cf/alphaosf.h
deleted file mode 100644
index 431f3265..00000000
--- a/includes/cf/alphaosf.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/* alphaosf.h
-
-   System dependencies for DEC Alpha/OSF1... */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
- * THE INTERNET SOFTWARE CONSORTIUM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software was written for the Internet Software Consortium by Ted Lemon
- * under a contract with Vixie Laboratories.
- */
-
-#include <syslog.h>
-#include <sys/types.h>
-#include <sys/bitypes.h>
-#include <string.h>
-#include <paths.h>
-#include <errno.h>
-#include <malloc.h>
-#include <unistd.h>
-#include <setjmp.h>
-#include <limits.h>
-
-#include <sys/wait.h>
-#include <signal.h>
-
-extern int h_errno;
-
-#include <net/if.h>
-#include <net/if_dl.h>
-
-/* Varargs stuff... */
-#include <varargs.h>
-#define VA_DOTDOTDOT va_alist
-#define VA_start(list, last) va_start (list)
-
-#define _PATH_DHCPD_PID	"/var/run/dhcpd.pid"
-
-#define EOL	'\n'
-#define VOIDPTR void *
-
-/* Time stuff... */
-#include <sys/time.h>
-#define TIME time_t
-#define GET_TIME(x)	time ((x))
-
-/* The jmp_buf type is an array on OSF/1, so we can't dereference it
-   and must declare it differently. */
-#define jbp_decl(x)	jmp_buf x
-#define jref(x)		(x)
-#define jdref(x)	(x)
-#define jrefproto	jmp_buf
-
-/* OSF/1 doesn't support limited sprintfs. */
-#define vsnprintf(buf, size, fmt, list) vsprintf (buf, fmt, list)
-#define NO_SNPRINTF
-
-#define NEED_OSF_PFILT_HACKS
-#define BPF_FORMAT "/dev/pf/pfilt%d"
-
-#if defined (USE_DEFAULT_NETWORK)
-#  define USE_BPF
-#endif
diff --git a/includes/cf/bsdos.h b/includes/cf/bsdos.h
deleted file mode 100644
index 8947b1d8..00000000
--- a/includes/cf/bsdos.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/* bsdos.h
-
-   System dependencies for BSDI BSD/OS... */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
- * THE INTERNET SOFTWARE CONSORTIUM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software was written for the Internet Software Consortium by Ted Lemon
- * under a contract with Vixie Laboratories.
- */
-
-#include <syslog.h>
-#include <sys/types.h>
-#include <string.h>
-#include <paths.h>
-#include <errno.h>
-#include <unistd.h>
-#include <setjmp.h>
-#include <limits.h>
-
-#include <sys/wait.h>
-#include <signal.h>
-
-extern int h_errno;
-
-#include <net/if.h>
-#include <net/if_dl.h>
-#define INADDR_LOOPBACK	((u_int32_t)0x7f000001)
-
-/* Varargs stuff... */
-#include <stdarg.h>
-#define VA_DOTDOTDOT ...
-#define va_dcl
-#define VA_start(list, last) va_start (list, last)
-
-#define _PATH_DHCPD_PID	"/var/run/dhcpd.pid"
-
-#define EOL	'\n'
-#define VOIDPTR void *
-
-/* Time stuff... */
-#include <sys/time.h>
-#define TIME time_t
-#define GET_TIME(x)	time ((x))
-
-#define HAVE_SA_LEN
-
-#if defined (USE_DEFAULT_NETWORK)
-#  define USE_BPF
-#endif
diff --git a/includes/cf/freebsd.h b/includes/cf/freebsd.h
deleted file mode 100644
index 286b8b58..00000000
--- a/includes/cf/freebsd.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/* freebsd.h
-
-   System dependencies for FreeBSD... */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
- * THE INTERNET SOFTWARE CONSORTIUM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software was written for the Internet Software Consortium by Ted Lemon
- * under a contract with Vixie Laboratories.
- */
-
-#define _ANSI_SOURCE
-
-#include <syslog.h>
-#include <sys/types.h>
-#include <string.h>
-#include <paths.h>
-#include <errno.h>
-#include <unistd.h>
-#include <setjmp.h>
-#include <limits.h>
-
-#include <sys/wait.h>
-#include <signal.h>
-
-extern int h_errno;
-
-#include <net/if.h>
-#include <net/if_dl.h>
-#define INADDR_LOOPBACK	((u_int32_t)0x7f000001)
-
-/* Varargs stuff... */
-#include <stdarg.h>
-#define VA_DOTDOTDOT ...
-#define va_dcl
-#define VA_start(list, last) va_start (list, last)
-
-#define _PATH_DHCPD_PID	"/var/run/dhcpd.pid"
-
-#define EOL	'\n'
-#define VOIDPTR void *
-
-/* Time stuff... */
-#include <sys/time.h>
-#define TIME time_t
-#define GET_TIME(x)	time ((x))
-
-#define HAVE_SA_LEN
-
-#if defined (USE_DEFAULT_NETWORK)
-#  define USE_BPF
-#endif
diff --git a/includes/cf/linux.h b/includes/cf/linux.h
deleted file mode 100644
index b1d9bd34..00000000
--- a/includes/cf/linux.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/* linux.h
-
-   System dependencies for Linux.
-
-   Based on a configuration originally supplied by Jonathan Stone. */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
- * THE INTERNET SOFTWARE CONSORTIUM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <features.h>
-#undef __USE_BSD
-typedef char int8_t;
-typedef short int16_t;
-typedef long int32_t;
-
-typedef unsigned char u_int8_t;
-typedef unsigned short u_int16_t;
-typedef unsigned long u_int32_t;
-
-#include <syslog.h>
-#include <sys/types.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/wait.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <limits.h>
-
-extern int h_errno;
-
-#include <net/if.h>
-#include <linux/if_arp.h>
-#include <sys/time.h>		/* gettimeofday()*/
-#include <linux/time.h>		/* also necessary */
-
-#define _PATH_DHCPD_PID	"/etc/dhcpd.pid"
-
-/* Varargs stuff... */
-#include <stdarg.h>
-#define VA_DOTDOTDOT ...
-#define VA_start(list, last) va_start (list, last)
-#define va_dcl
-
-#define vsnprintf(buf, size, fmt, list) vsprintf (buf, fmt, list)
-#define NO_SNPRINTF
-
-#define VOIDPTR	void *
-
-#define EOL	'\n'
-
-/* Time stuff... */
-
-#include <time.h>
-
-#define TIME time_t
-#define GET_TIME(x)	time ((x))
-
-#if defined (USE_DEFAULT_NETWORK)
-#  define USE_SOCKETS
-#endif
diff --git a/includes/cf/netbsd.h b/includes/cf/netbsd.h
deleted file mode 100644
index 4f5efd0e..00000000
--- a/includes/cf/netbsd.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/* netbsd.h
-
-   System dependencies for NetBSD... */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
- * THE INTERNET SOFTWARE CONSORTIUM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software was written for the Internet Software Consortium by Ted Lemon
- * under a contract with Vixie Laboratories.
- */
-
-#include <syslog.h>
-#include <sys/types.h>
-#include <string.h>
-#include <paths.h>
-#include <errno.h>
-#include <malloc.h>
-#include <unistd.h>
-#include <setjmp.h>
-#include <limits.h>
-
-#include <sys/wait.h>
-#include <signal.h>
-
-extern int h_errno;
-
-#include <net/if.h>
-#include <net/if_dl.h>
-
-/* Varargs stuff... */
-#include <stdarg.h>
-#define VA_DOTDOTDOT ...
-#define va_dcl
-#define VA_start(list, last) va_start (list, last)
-
-#define _PATH_DHCPD_PID	"/var/run/dhcpd.pid"
-
-#define EOL	'\n'
-#define VOIDPTR void *
-
-/* Time stuff... */
-#include <sys/time.h>
-#define TIME time_t
-#define GET_TIME(x)	time ((x))
-
-#define HAVE_SA_LEN
-
-#if defined (USE_DEFAULT_NETWORK)
-#  define USE_BPF
-#endif
diff --git a/includes/cf/sample.h b/includes/cf/sample.h
deleted file mode 100644
index 8fe45f4b..00000000
--- a/includes/cf/sample.h
+++ /dev/null
@@ -1,292 +0,0 @@
-/* sample.h
-
-   Sample config file for clients.
-
-   This file is provided as a sample in case the system you want to run
-   on is not currently supported.   If that is the case, follow the Porting::
-   comments here and in other files as guides for what to change. */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
- * INTERNET SOFTWARE CONSORTIUM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-/* Porting::
-
-   Some systems do not define basic integer types as shown below.
-   On some systems, you need to include <bitypes.h> or <sys/bitypes.h>.
-   If you get parse errors in dhcpd.h while compiling dhcpd.conf, try
-   including bitypes.h, and if that fails, use the hard-coded definitions
-   shown below. */
-   
-#if 0
-#include <sys/bitypes.h>
-#endif
-
-#if 0
-#define int8_t		char
-#define int16_t		short
-#define int32_t		long
-
-#define u_int8_t	unsigned char
-#define u_int16_t	unsigned short 
-#define u_int32_t	unsigned long 
-#endif
-
-#include <sys/types.h>
-
-/* Porting::
-
-   The jmp_buf type as declared in <setjmp.h> is sometimes a structure
-   and sometimes an array.   By default, we assume it's a structure.
-   If it's an array on your system, you may get compile warnings or errors
-   as a result in confpars.c.   If so, try including the following definitions,
-   which treat jmp_buf as an array: */
-
-#if 0
-#define jbp_decl(x)	jmp_buf x
-#define jref(x)		(x)
-#define jdref(x)	(x)
-#define jrefproto	jmp_buf
-#endif
-
-/* Porting::
-
-   Some older systems (e.g., Ultrix) still use the 4.2BSD-style syslog
-   API.  These differ from later versions of the syslog API in that the
-   openlog system call takes two arguments instead of three, and the
-   facility code (the third argument to modern versions of openlog())
-   is ORed into the log priority in the syslog() call.
-
-   If you are running with the 4.2BSD-style syslog interface, define
-   SYSLOG_4_2. */
-
-/* #define SYSLOG_4_2 */
-
-#include <syslog.h>
-
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/wait.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <limits.h>
-
-extern int h_errno;
-
-#include <net/if.h>
-#include <net/if_arp.h>
-
-/* Porting::
-
-   Some older systems do not have defines for IP type-of-service,
-   or don't define them the way we expect.   If you get undefined
-   symbol errors on the following symbols, they probably need to be
-   defined here. */
-
-#if 0
-#define IPTOS_LOWDELAY          0x10
-#define IPTOS_THROUGHPUT        0x08
-#define IPTOS_RELIABILITY       0x04
-#endif
-
-/* Porting::
-
-   Newer BSD derivatives store non-permanent daemon files in a
-   directory called /var/run.   If your system has a /var/run,
-   use it; otherwise, use /etc. */
-
-#ifndef _PATH_DHCPD_PID
-#define _PATH_DHCPD_PID	"/etc/dhcpd.pid"
-#endif
-
-/* Porting::
-
-   If your system supports standard ANSI C, it should provide the file
-   /usr/include/stdarg.h.   This contains the ANSI standard declarations
-   for functions which take a variable number of arguments.
-
-   Older systems with non-ANSI compilers cannot support this interface,
-   and generally use the older varargs interface, defined in <varargs.h>.
-   Some systems only support varargs, but define the interface in
-   <stdarg.h> anyway.
-
-   You must choose one of the two sets of definitions below.   Try
-   stdarg.h first, unless you know it won't work.   If you have
-   trouble compiling errwarn.c, try switching to the varargs.h definitions.
-   If that fails, try using stdarg.h with the varargs definitions. */
-
-#if 0
-/* Stdarg definitions for ANSI-compliant C compilers. */
-#include <stdarg.h>
-#define VA_DOTDOTDOT ...
-#define VA_start(list, last) va_start (list, last)
-#define va_dcl
-#endif
-
-#if 0
-/* Varargs definitions, for non-ANSI-compliant C compilers. */
-#include <varargs.h>
-#define VA_DOTDOTDOT va_alist
-#define VA_start(list, last) va_start (list)
-#endif
-
-/* Porting::
-
-   Some systems (notably 4.4BSD derivatives) support versions of the
-   sprintf functions which will deposit a limited number of characters
-   into the buffer; that limit is provided in an extra argument.
-   If your system doesn't support this functionality, you must include
-   the definitions below: */
-
-#if 0
-#define vsnprintf(buf, size, fmt, list) vsprintf (buf, fmt, list)
-#define NO_SNPRINTF
-#endif
-
-/* Porting::
-
-   Some systems provide a function, strerror(), which takes the unix
-   error number (see errno) and returns a pointer to a static buffer
-   containing the corresponding error message.
-
-   If your system doesn't provide strerror(), define NO_STRERROR
-   as shown below: */
-
-#if 0
-#define NO_STRERROR
-char *strerror PROTO ((int));
-#endif
-
-/* Porting::
-
-   Once dhcpd has initialized itself, it loops forever waiting for
-   packets to come in.   Since we need to support multiple input streams
-   in order to support multiple interfaces, dhcpd needs to be able to
-   do a syscall to determine which descriptors have input waiting on
-   them.
-
-   Normally, dhcpd uses the select() system call, which is a 4.2BSD
-   syscall invented precisely for this purpose.   Unfortunately, some
-   System V-based systems do not support select() properly when it
-   operates on streams.   The System V interface which does (largely)
-   the same thing as select is called poll().   In some cases, this may
-   work better than select() - if you find that dhcpd is hanging and not
-   responding to packets very consistently, you might try defining
-   USE_POLL and including <poll.h>. */
-
-#if 0
-#define USE_POLL
-#include <poll.h>
-#endif
-
-/* Porting::
-
-   You must define the default network API for your port.   This
-   will depend on whether one of the existing APIs will work for
-   you, or whether you need to implement support for a new API.
-   Currently, the following APIs are supported:
-
-   	The BSD socket API: define USE_SOCKETS.
-	The Berkeley Packet Filter: define USE_BPF.
-	The Streams Network Interface Tap (NIT): define USE_NIT.
-	Raw sockets: define USE_RAW_SOCKETS
-
-   If your system supports the BSD socket API and doesn't provide
-   one of the supported interfaces to the physical packet layer,
-   you can either provide support for the low-level API that your
-   system does support (if any) or just use the BSD socket interface.
-   The BSD socket interface doesn't support multiple network interfaces,
-   and on many systems, it does not support the all-ones broadcast
-   address, which can cause problems with some DHCP clients (e.g.
-   Microsoft Windows 95). */
-
-#if defined (USE_DEFAULT_NETWORK)
-#  define USE_SOCKETS
-#endif
-
-/* Porting::
-
-   Recent versions of BSD added a new element to the sockaddr structure:
-   sa_len.   This indicates the length of the structure, and is used
-   in a variety of places, not the least of which is the SIOCGIFCONF
-   ioctl, which is used to figure out what interfaces are attached to
-   the system.
-
-   You should be able to determine if your system has an sa_len element
-   by looking at the struct sockaddr definition in /usr/include/sys/socket.h.
-   If it does, you must define HAVE_SA_LEN.   Otherwise, you must not.
-   The most obvious symptom that you've got this wrong is either a compile
-   error complaining about the use of the sa_len structure element, or
-   the failure of dhcpd to find any interfaces. */
-
-/* #define HAVE_SA_LEN */
-
-/* Every operating system has its own way of seperating lines in a
-   sequential text file.  Most modern systems use a single character,
-   either an ASCII Newline (10) or an ASCII Carriage Return (13).
-
-   The most notable exception is MS-DOS (and consequently, Windows),
-   which uses an ASCII Carriage Return followed by a Newline to
-   seperate each line.  Fortunately, MS-DOS C compiler libraries
-   typically hide this from the programmer, returning just a Newline.
-
-   Define EOL to be whatever getc() returns for a newline. */
-
-#define EOL '\n'
-
-/* Some older C compilers don't support the void pointer type.
-   ANSI C defines void * to be a pointer type that matches
-   any other pointer type.   This is handy for returning a pointer
-   which will always need to be cast to a different value.   For
-   example, malloc() on an ANSI C-compliant system returns void *.
-
-   If your compiler doesn't support void pointers, you may need to
-   define VOIDPTR to be char *; otherwise, define it to be void *. */
-
-#define VOIDPTR void *
-
-/* Porting::
-
-   The following definitions for time should work on any unix machine.
-   They may not work (or at least, may not work well) on a variety of
-   non-unix machines.   If you are porting to a non-unix machine, you
-   probably need to change the definitions below and perhaps include
-   different headers.
-
-   I should note that dhcpd is not yet entirely clean of unix-specific
-   time references, so the list of defines shown below probably isn't
-   good enough if you're porting to a system that really doesn't support
-   unix time.   It's probably a reasonable place to start, though. */
-
-#include <time.h>
-
-#define TIME time_t
-#define GET_TIME(x)	time ((x))
diff --git a/includes/cf/sco.h b/includes/cf/sco.h
deleted file mode 100644
index d839f974..00000000
--- a/includes/cf/sco.h
+++ /dev/null
@@ -1,112 +0,0 @@
-/* sco.h
-
-   System dependencies for SCO ODT 3.0...
-
-   Based on changes contributed by Gerald Rosenberg. */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
- * THE INTERNET SOFTWARE CONSORTIUM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software was written for the Internet Software Consortium by Ted Lemon
- * under a contract with Vixie Laboratories.
- */
-
-#include <syslog.h>
-#include <sys/types.h>
-
-/* Basic Integer Types not defined in SCO headers... */
-
-typedef char int8_t;
-typedef short int16_t;
-typedef long int32_t; 
-
-typedef unsigned char u_int8_t;
-typedef unsigned short u_int16_t; 
-typedef unsigned long u_int32_t;
-
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/wait.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <limits.h>
-
-extern int h_errno;
-
-#include <net/if.h>
-#include <net/if_arp.h>
-
-/* XXX dunno if this is required for SCO... */
-/*
- * Definitions for IP type of service (ip_tos)
- */
-#define IPTOS_LOWDELAY          0x10
-#define IPTOS_THROUGHPUT        0x08
-#define IPTOS_RELIABILITY       0x04
-/*      IPTOS_LOWCOST           0x02 XXX */
-
-/* SCO doesn't have /var/run. */
-#ifndef _PATH_DHCPD_PID
-#define _PATH_DHCPD_PID	"/etc/dhcpd.pid"
-#endif
-
-#define INADDR_LOOPBACK	((u_int32_t)0x7f000001)
-
-/* Varargs stuff: use stdarg.h instead ... */
-#include <stdarg.h>
-#define VA_DOTDOTDOT ...
-#define VA_start(list, last) va_start (list, last)
-#define va_dcl
-
-/* SCO doesn't support limited sprintfs. */
-#define vsnprintf(buf, size, fmt, list) vsprintf (buf, fmt, list)
-#define NO_SNPRINTF
-
-/* By default, use BSD Socket API for receiving and sending packets.
-   This actually works pretty well on Solaris, which doesn't censor
-   the all-ones broadcast address. */
-#if defined (USE_DEFAULT_NETWORK)
-# define USE_SOCKETS
-#endif
-
-#define EOL	'\n'
-#define VOIDPTR	void *
-
-/*
- * Time stuff...
- *
- * Definitions for an ISC DHCPD system that uses time_t
- * to represent time internally as opposed to, for example,  struct timeval.)
- */
-
-#include <time.h>
-
-#define TIME time_t
-#define GET_TIME(x)	time ((x))
diff --git a/includes/cf/sunos4.h b/includes/cf/sunos4.h
deleted file mode 100644
index 1e8b849d..00000000
--- a/includes/cf/sunos4.h
+++ /dev/null
@@ -1,134 +0,0 @@
-/* sunos4.h
-
-   System dependencies for SunOS 4 (tested on 4.1.4)... */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
- * THE INTERNET SOFTWARE CONSORTIUM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software was written for the Internet Software Consortium by Ted Lemon
- * under a contract with Vixie Laboratories.
- */
-
-/* Basic Integer Types not defined in SunOS headers... */
-
-#define int8_t		char
-#define int16_t		short
-#define int32_t		long
-
-#define u_int8_t	unsigned char
-#define u_int16_t	unsigned short 
-#define u_int32_t	unsigned long 
-
-/* No endian.h either. */
-/*
- * Definitions for byte order, according to byte significance from low
- * address to high.
- */
-#define LITTLE_ENDIAN   1234    /* LSB first: i386, vax */
-#define BIG_ENDIAN      4321    /* MSB first: 68000, ibm, net */
-#define PDP_ENDIAN      3412    /* LSB first in word, MSW first in long */
-
-#define BYTE_ORDER      BIG_ENDIAN
-
-/* The jmp_buf type is an array on SunOS, so we can't dereference it
-   and must declare it differently. */
-#define jbp_decl(x)	jmp_buf x
-#define jref(x)		(x)
-#define jdref(x)	(x)
-#define jrefproto	jmp_buf
-
-#include <syslog.h>
-#include <sys/types.h>
-
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/wait.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <limits.h>
-#include <poll.h>
-
-extern int h_errno;
-
-#include <net/if.h>
-#include <net/if_arp.h>
-
-/*
- * Definitions for IP type of service (ip_tos)
- */
-#define IPTOS_LOWDELAY          0x10
-#define IPTOS_THROUGHPUT        0x08
-#define IPTOS_RELIABILITY       0x04
-/*      IPTOS_LOWCOST           0x02 XXX */
-
-/* SunOS systems don't have /var/run, but some sites have added it.
-   If you want to put dhcpd.pid in /var/run, define _PATH_DHCPD_PID
-   in site.h. */
-#ifndef _PATH_DHCPD_PID
-#define _PATH_DHCPD_PID	"/etc/dhcpd.pid"
-#endif
-
-#ifdef __GNUC__
-/* Varargs stuff: use stdarg.h instead ... */
-#include <stdarg.h>
-#define VA_DOTDOTDOT ...
-#define VA_start(list, last) va_start (list, last)
-#define va_dcl
-#else /* !__GNUC__*/
-/* Varargs stuff... */
-#include <varargs.h>
-#define VA_DOTDOTDOT va_alist
-#define VA_start(list, last) va_start (list)
-#endif /* !__GNUC__*/
-
-/* SunOS doesn't support limited sprintfs. */
-#define vsnprintf(buf, size, fmt, list) vsprintf (buf, fmt, list)
-#define NO_SNPRINTF
-
-/* SunOS doesn't supply strerror... */
-#define NO_STRERROR
-char *strerror PROTO ((int));
-
-/* SunOS select() doesn't work on streams, so we have to use poll -
-   as usual, SysV can't do networking to save its life. */
-#define USE_POLL
-
-/* By default, use NIT API for receiving and sending packets... */
-#if defined (USE_DEFAULT_NETWORK)
-#  define USE_NIT
-#endif
-
-#define EOL	'\n'
-#define VOIDPTR	void *
-
-#include <time.h>
-
-#define TIME time_t
-#define GET_TIME(x)	time ((x))
diff --git a/includes/cf/sunos5-5.h b/includes/cf/sunos5-5.h
deleted file mode 100644
index ea842a62..00000000
--- a/includes/cf/sunos5-5.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/* sunos5-5.h
-
-   System dependencies for Solaris 2.x (tested on 2.5 with gcc)... */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
- * THE INTERNET SOFTWARE CONSORTIUM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software was written for the Internet Software Consortium by Ted Lemon
- * under a contract with Vixie Laboratories.
- */
-
-/* Basic Integer Types not defined in SunOS headers... */
-
-#define int8_t		char
-#define int16_t		short
-#define int32_t		long
-
-#define u_int8_t	unsigned char
-#define u_int16_t	unsigned short 
-#define u_int32_t	unsigned long 
-
-/* The jmp_buf type is an array on Solaris, so we can't dereference it
-   and must declare it differently. */
-
-#define jbp_decl(x)	jmp_buf x
-#define jref(x)		(x)
-#define jdref(x)	(x)
-#define jrefproto	jmp_buf
-
-#include <syslog.h>
-#include <sys/types.h>
-#include <sys/sockio.h>
-
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/wait.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <limits.h>
-
-extern int h_errno;
-
-#include <net/if.h>
-#include <net/if_arp.h>
-
-/*
- * Definitions for IP type of service (ip_tos)
- */
-#define IPTOS_LOWDELAY          0x10
-#define IPTOS_THROUGHPUT        0x08
-#define IPTOS_RELIABILITY       0x04
-/*      IPTOS_LOWCOST           0x02 XXX */
-
-/* Solaris systems don't have /var/run, but some sites have added it.
-   If you want to put dhcpd.pid in /var/run, define _PATH_DHCPD_PID
-   in site.h. */
-#ifndef _PATH_DHCPD_PID
-#define _PATH_DHCPD_PID	"/etc/dhcpd.pid"
-#endif
-
-#ifdef __GNUC__
-/* Varargs stuff: use stdarg.h instead ... */
-#include <stdarg.h>
-#define VA_DOTDOTDOT ...
-#define VA_start(list, last) va_start (list, last)
-#define va_dcl
-#else /* !__GNUC__*/
-/* Varargs stuff... */
-#include <varargs.h>
-#define VA_DOTDOTDOT va_alist
-#define VA_start(list, last) va_start (list)
-#endif /* !__GNUC__*/
-
-/* Solaris doesn't support limited sprintfs. */
-#define vsnprintf(buf, size, fmt, list) vsprintf (buf, fmt, list)
-#define NO_SNPRINTF
-
-/* By default, use BSD Socket API for receiving and sending packets.
-   This actually works pretty well on Solaris, which doesn't censor
-   the all-ones broadcast address. */
-#if defined (USE_DEFAULT_NETWORK)
-# define USE_SOCKETS
-#endif
-
-#define USE_POLL
-
-#define EOL	'\n'
-#define VOIDPTR	void *
-
-/* Time stuff... */
-
-#include <time.h>
-
-#define TIME time_t
-#define GET_TIME(x)	time ((x))
diff --git a/includes/cf/ultrix.h b/includes/cf/ultrix.h
deleted file mode 100644
index 661bd081..00000000
--- a/includes/cf/ultrix.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/* ultrix.h
-
-   System dependencies for Ultrix 4.2 (tested on 4.2a+multicast)... */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
- * THE INTERNET SOFTWARE CONSORTIUM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software was written for the Internet Software Consortium by Ted Lemon
- * under a contract with Vixie Laboratories.
- */
-
-/* Ultrix uses the old 4.2BSD-style syslog(). */
-#include <sys/syslog.h>
-#define SYSLOG_4_2
-
-#include <sys/types.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/wait.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <limits.h>
-
-extern int h_errno;
-
-#include <net/if.h>
-
-/*#define _PATH_DHCPD_PID	"/var/run/dhcpd.pid"*/
-
-/*
- * Ultrix systems don't have /var/run, but some sites have added it.
- * if yours  is one, edit this file or define _PATH_DHCPD_PID externally.
- */
-
-#ifndef _PATH_DHCPD_PID
-#define _PATH_DHCPD_PID	"/etc/dhcpd.pid"
-#endif
-
-#define int8_t		char
-#define int16_t		short 
-#define int32_t		long 
-
-#define u_int8_t	unsigned char		/* Not quite POSIX... */
-#define u_int16_t	unsigned short 
-#define u_int32_t	unsigned long 
-
-/* The jmp_buf type is an array on ultrix, so we can't dereference it
-   and must declare it differently. */
-#define jbp_decl(x)	jmp_buf x
-#define jref(x)		(x)
-#define jdref(x)	(x)
-#define jrefproto	jmp_buf
-
-#define IPTOS_LOWDELAY		0x10
-/*      IPTOS_LOWCOST		0x02 XXX */
-
-/* Varargs stuff... */
-#include <varargs.h>
-#define VA_DOTDOTDOT va_alist
-#define VA_start(list, last) va_start (list)
-#define vsnprintf(buf, size, fmt, list) vsprintf (buf, fmt, list)
-#define NO_SNPRINTF
-
-#define INADDR_LOOPBACK	((u_int32_t)0x7f000001)
-#define EOL	'\n'
-#define VOIDPTR	void *
-
-/*
- * Time stuff...
- *
- * Definitions for an ISC DHCPD system that uses time_t
- * to represent time internally as opposed to, for example,  struct timeval.)
- */
-
-#define TIME time_t
-#define GET_TIME(x)	time ((x))
-
-#if defined (USE_DEFAULT_NETWORK)
-#  define USE_SOCKETS
-#endif
diff --git a/includes/dhcp.h b/includes/dhcp.h
deleted file mode 100644
index 24da0d08..00000000
--- a/includes/dhcp.h
+++ /dev/null
@@ -1,160 +0,0 @@
-/* dhcp.h
-
-   Protocol structures... */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#define DHCP_UDP_OVERHEAD	(14 + /* Ethernet header */		\
-				 20 + /* IP header */			\
-				 8)   /* UDP header */
-#define DHCP_SNAME_LEN		64
-#define DHCP_FILE_LEN		128
-#define DHCP_FIXED_NON_UDP	236
-#define DHCP_FIXED_LEN		(DHCP_FIXED_NON_UDP + DHCP_UDP_OVERHEAD)
-						/* Everything but options. */
-#define DHCP_MTU_MAX		1500
-#define DHCP_OPTION_LEN		(DHCP_MTU_MAX - DHCP_FIXED_LEN)
-
-struct dhcp_packet {
-  	u_int8_t  op;		/* Message opcode/type */
-	u_int8_t  htype;	/* Hardware addr type (see net/if_types.h) */
-	u_int8_t  hlen;		/* Hardware addr length */
-	u_int8_t  hops;		/* Number of relay agent hops from client */
-	u_int32_t xid;		/* Transaction ID */
-	u_int16_t secs;		/* Seconds since client started looking */
-	u_int16_t flags;	/* Flag bits */
-	struct in_addr ciaddr;	/* Client IP address (if already in use) */
-	struct in_addr yiaddr;	/* Client IP address */
-	struct in_addr siaddr;	/* IP address of next server to talk to */
-	struct in_addr giaddr;	/* DHCP relay agent IP address */
-	char chaddr [16];	/* Client hardware address */
-	char sname [DHCP_SNAME_LEN];	/* Server name */
-	char file [DHCP_FILE_LEN];	/* Boot filename */
-	unsigned char options [DHCP_OPTION_LEN];
-				/* Optional parameters
-				   (actual length dependent on MTU). */
-};
-
-/* BOOTP (rfc951) message types */
-#define	BOOTREQUEST	1
-#define BOOTREPLY	2
-
-/* Possible values for flags field... */
-#define BOOTP_BROADCAST 32768L
-
-/* Magic cookie validating dhcp options field (and bootp vendor
-   extensions field). */
-#define DHCP_OPTIONS_COOKIE	"\143\202\123\143"
-
-/* DHCP Option codes: */
-
-#define DHO_PAD				0
-#define DHO_SUBNET_MASK			1
-#define DHO_TIME_OFFSET			2
-#define DHO_ROUTERS			3
-#define DHO_TIME_SERVERS		4
-#define DHO_NAME_SERVERS		5
-#define DHO_DOMAIN_NAME_SERVERS		6
-#define DHO_LOG_SERVERS			7
-#define DHO_COOKIE_SERVERS		8
-#define DHO_LPR_SERVERS			9
-#define DHO_IMPRESS_SERVERS		10
-#define DHO_RESOURCE_LOCATION_SERVERS	11
-#define DHO_HOST_NAME			12
-#define DHO_BOOT_SIZE			13
-#define DHO_MERIT_DUMP			14
-#define DHO_DOMAIN_NAME			15
-#define DHO_SWAP_SERVER			16
-#define DHO_ROOT_PATH			17
-#define DHO_EXTENSIONS_PATH		18
-#define DHO_IP_FORWARDING		19
-#define DHO_NON_LOCAL_SOURCE_ROUTING	20
-#define DHO_POLICY_FILTER		21
-#define DHO_MAX_DGRAM_REASSEMBLY	22
-#define DHO_DEFAULT_IP_TTL		23
-#define DHO_PATH_MTU_AGING_TIMEOUT	24
-#define DHO_PATH_MTU_PLATEAU_TABLE	25
-#define DHO_INTERFACE_MTU		26
-#define DHO_ALL_SUBNETS_LOCAL		27
-#define DHO_BROADCAST_ADDRESS		28
-#define DHO_PERFORM_MASK_DISCOVERY	29
-#define DHO_MASK_SUPPLIER		30
-#define DHO_ROUTER_DISCOVERY		31
-#define DHO_ROUTER_SOLICITATION_ADDRESS	32
-#define DHO_STATIC_ROUTES		33
-#define DHO_TRAILER_ENCAPSULATION	34
-#define DHO_ARP_CACHE_TIMEOUT		35
-#define DHO_IEEE802_3_ENCAPSULATION	36
-#define DHO_DEFAULT_TCP_TTL		37
-#define DHO_TCP_KEEPALIVE_INTERVAL	38
-#define DHO_TCP_KEEPALIVE_GARBAGE	39
-#define DHO_NIS_DOMAIN			40
-#define DHO_NIS_SERVERS			41
-#define DHO_NTP_SERVERS			42
-#define DHO_VENDOR_ENCAPSULATED_OPTIONS	43
-#define DHO_NETBIOS_NAME_SERVERS	44
-#define DHO_NETBIOS_DD_SERVER		45
-#define DHO_NETBIOS_NODE_TYPE		46
-#define DHO_NETBIOS_SCOPE		47
-#define DHO_FONT_SERVERS		48
-#define DHO_X_DISPLAY_MANAGER		49
-#define DHO_DHCP_REQUESTED_ADDRESS	50
-#define DHO_DHCP_LEASE_TIME		51
-#define DHO_DHCP_OPTION_OVERLOAD	52
-#define DHO_DHCP_MESSAGE_TYPE		53
-#define DHO_DHCP_SERVER_IDENTIFIER	54
-#define DHO_DHCP_PARAMETER_REQUEST_LIST	55
-#define DHO_DHCP_MESSAGE		56
-#define DHO_DHCP_MAX_MESSAGE_SIZE	57
-#define DHO_DHCP_RENEWAL_TIME		58
-#define DHO_DHCP_REBINDING_TIME		59
-#define DHO_DHCP_CLASS_IDENTIFIER	60
-#define DHO_DHCP_CLIENT_IDENTIFIER	61
-#define DHO_DHCP_USER_CLASS_ID		77
-#define DHO_END				255
-
-/* DHCP message types. */
-#define DHCPDISCOVER	1
-#define DHCPOFFER	2
-#define DHCPREQUEST	3
-#define DHCPDECLINE	4
-#define DHCPACK		5
-#define DHCPNAK		6
-#define DHCPRELEASE	7
-#define DHCPINFORM	8
diff --git a/includes/dhcpd.h b/includes/dhcpd.h
deleted file mode 100644
index 398b1807..00000000
--- a/includes/dhcpd.h
+++ /dev/null
@@ -1,520 +0,0 @@
-/* dhcpd.h
-
-   Definitions for dhcpd... */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#include <sys/types.h>
-#include <netinet/in.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <ctype.h>
-#include <time.h>
-
-#include "cdefs.h"
-#include "osdep.h"
-#include "dhcp.h"
-#include "tree.h"
-#include "hash.h"
-#include "inet.h"
-
-/* A dhcp packet and the pointers to its option values. */
-struct packet {
-	struct dhcp_packet *raw;
-	int packet_length;
-	int packet_type;
-	int options_valid;
-	int client_port;
-	struct iaddr client_addr;
-	struct interface_info *interface;	/* Interface on which packet
-						   was received. */
-	struct hardware *haddr;		/* Physical link address
-					   of local sender (maybe gateway). */
-	struct shared_network *shared_network;
-	struct {
-		int len;
-		unsigned char *data;
-	} options [256];
-};
-
-struct hardware {
-	u_int8_t htype;
-	u_int8_t hlen;
-	u_int8_t haddr [16];
-};
-
-/* A dhcp host declaration structure. */
-struct host_decl {
-	struct host_decl *n_ipaddr;
-	char *name;
-	struct hardware interface;
-	char *filename;
-	char *server_name;	
-	TIME default_lease_time;
-	TIME max_lease_time;
-	struct tree_cache *fixed_addr;
-	struct tree_cache *ciaddr;
-	struct tree_cache *yiaddr;
-	struct tree_cache *siaddr;
-	struct tree_cache *giaddr;
-	struct tree_cache *options [256];
-};
-
-/* A dhcp lease declaration structure. */
-struct lease {
-	struct lease *next;
-	struct lease *prev;
-	struct iaddr ip_addr;
-	TIME starts, ends, timestamp;
-	TIME offered_expiry;
-	unsigned char *uid;
-	int uid_len;
-	struct host_decl *host;
-	struct subnet *subnet;
-	struct shared_network *shared_network;
-	struct hardware hardware_addr;
-	int state;
-	int xid;
-	int flags;
-#       define STATIC_LEASE		1
-#       define BOOTP_LEASE		2
-#	define DYNAMIC_BOOTP_OK		4
-#	define PERSISTENT_FLAGS		(DYNAMIC_BOOTP_OK)
-#	define EPHEMERAL_FLAGS		(BOOTP_LEASE)
-};
-
-struct shared_network {
-	struct shared_network *next;
-	struct subnet *subnets;
-	struct interface_info *interface;
-	struct lease *leases;
-	struct lease *insertion_point;
-	struct lease *last_lease;
-	TIME default_lease_time;
-	TIME max_lease_time;
-	struct tree_cache *options [256];
-	int dynamic_bootp;
-	char *name;
-};
-
-struct subnet {
-	struct subnet *next_subnet;
-	struct subnet *next_sibling;
-	struct shared_network *shared_network;
-	struct interface_info *interface;
-	struct iaddr interface_address;
-	struct iaddr net;
-	struct iaddr netmask;
-	TIME default_lease_time;
-	TIME max_lease_time;
-	struct tree_cache *options [256];
-	int dynamic_bootp;
-};
-
-struct class {
-	char *name;
-	char *filename;
-	char *server_name;
-	TIME default_lease_time;
-	TIME max_lease_time;
-	struct tree_cache *options [256];
-};
-
-/* Information about each network interface. */
-
-struct interface_info {
-	struct interface_info *next;	/* Next interface in list... */
-	struct shared_network *shared_network;
-				/* Networks connected to this interface. */
-	struct hardware hw_address;	/* Its physical address. */
-	char name [IFNAMSIZ];		/* Its name... */
-	int rfdesc;			/* Its read file descriptor. */
-	int wfdesc;			/* Its write file descriptor, if
-					   different. */
-	unsigned char *rbuf;		/* Read buffer, if required. */
-	size_t rbuf_max;		/* Size of read buffer. */
-	size_t rbuf_offset;		/* Current offset into buffer. */
-	size_t rbuf_len;		/* Length of data in buffer. */
-
-	struct ifreq *tif;		/* Temp. pointer to ifreq struct. */
-};
-
-struct hardware_link {
-	struct hardware_link *next;
-	char name [IFNAMSIZ];
-	struct hardware address;
-};
-
-/* Bitmask of dhcp option codes. */
-typedef unsigned char option_mask [16];
-
-/* DHCP Option mask manipulation macros... */
-#define OPTION_ZERO(mask)	(memset (mask, 0, 16))
-#define OPTION_SET(mask, bit)	(mask [bit >> 8] |= (1 << (bit & 7)))
-#define OPTION_CLR(mask, bit)	(mask [bit >> 8] &= ~(1 << (bit & 7)))
-#define OPTION_ISSET(mask, bit)	(mask [bit >> 8] & (1 << (bit & 7)))
-#define OPTION_ISCLR(mask, bit)	(!OPTION_ISSET (mask, bit))
-
-/* An option occupies its length plus two header bytes (code and
-    length) for every 255 bytes that must be stored. */
-#define OPTION_SPACE(x)		((x) + 2 * ((x) / 255 + 1))
-
-/* Default path to dhcpd config file. */
-#ifdef DEBUG
-#define _PATH_DHCPD_CONF	"dhcpd.conf"
-#define _PATH_DHCPD_DB		"dhcpd.leases"
-#else
-#ifndef _PATH_DHCPD_CONF
-#define _PATH_DHCPD_CONF	"/etc/dhcpd.conf"
-#endif
-
-#ifndef _PATH_DHCPD_DB
-#define _PATH_DHCPD_DB		"/etc/dhcpd.leases"
-#endif
-
-#ifndef _PATH_DHCPD_PID
-#define _PATH_DHCPD_PID		"/var/run/dhcpd.pid"
-#endif
-#endif
-
-#define MAX_TIME 0x7fffffff
-#define MIN_TIME 0
-
-/* External definitions... */
-
-/* options.c */
-
-void parse_options PROTO ((struct packet *));
-void parse_option_buffer PROTO ((struct packet *, unsigned char *, int));
-void cons_options PROTO ((struct packet *, struct packet *,
-			  struct tree_cache **, int));
-/* void new_cons_options PROTO ((struct packet *, struct packet *,
-			  struct tree_cache **, int)); */
-int store_options PROTO ((unsigned char *, int, struct tree_cache **,
-			   unsigned char *, int, int, int));
-/* int store_option PROTO ((struct tree_cache **, unsigned char,
-			 unsigned char *, int, int *)); */
-char *pretty_print_option PROTO ((unsigned char, unsigned char *, int));
-
-/* errwarn.c */
-void error PROTO ((char *, ...));
-int warn PROTO ((char *, ...));
-int note PROTO ((char *, ...));
-int debug PROTO ((char *, ...));
-int parse_warn PROTO ((char *, ...));
-
-/* dhcpd.c */
-extern TIME cur_time;
-extern TIME default_lease_time;
-extern TIME max_lease_time;
-extern struct tree_cache *global_options [256];
-
-extern struct iaddr server_identifier;
-extern int server_identifier_matched;
-
-extern u_int16_t server_port;
-extern int log_priority;
-
-#ifdef USE_FALLBACK
-extern struct interface_info fallback_interface;
-#endif
-
-int main PROTO ((int, char **, char **));
-void cleanup PROTO ((void));
-
-/* conflex.c */
-int next_token PROTO ((char **, FILE *));
-int peek_token PROTO ((char **, FILE *));
-
-/* confpars.c */
-void readconf PROTO ((void));
-void read_leases PROTO ((void));
-void parse_statement PROTO ((FILE *));
-void skip_to_semi PROTO ((FILE *));
-struct host_decl *parse_host_statement PROTO ((FILE *, jrefproto));
-char *parse_host_name PROTO ((FILE *, jrefproto));
-void parse_class_statement PROTO ((FILE *, jrefproto, int));
-void parse_class_decl PROTO ((FILE *, jrefproto, struct class *));
-void parse_lease_time PROTO ((FILE *, jrefproto, TIME *));
-void parse_shared_net_statement PROTO ((FILE *, jrefproto));
-struct subnet *parse_subnet_statement PROTO ((FILE *, jrefproto,
-					      struct shared_network *));
-void parse_subnet_decl PROTO ((FILE *, jrefproto, struct subnet *));
-void parse_host_decl PROTO ((FILE *, jrefproto, struct host_decl *));
-void parse_hardware_decl PROTO ((FILE *, jrefproto, struct host_decl *));
-struct hardware parse_hardware_addr PROTO ((FILE *, jrefproto));
-char *parse_filename_decl PROTO ((FILE *, jrefproto));
-char *parse_servername_decl PROTO ((FILE *, jrefproto));
-struct tree *parse_ip_addr_or_hostname PROTO ((FILE *, jrefproto, int));
-void parse_fixed_addr_decl PROTO ((FILE *, jrefproto, struct host_decl *));
-void parse_option_decl PROTO ((FILE *, jrefproto, struct tree_cache **));
-TIME parse_timestamp PROTO ((FILE *, jrefproto));
-TIME parse_date PROTO ((FILE *, jrefproto));
-struct lease *parse_lease_statement PROTO ((FILE *, jrefproto));
-void parse_address_range PROTO ((FILE *, jrefproto, struct subnet *));
-unsigned char *parse_numeric_aggregate PROTO ((FILE *, jrefproto,
-					       unsigned char *, int *,
-					       int, int, int));
-void convert_num PROTO ((unsigned char *, char *, int, int));
-
-/* tree.c */
-pair cons PROTO ((caddr_t, pair));
-struct tree_cache *tree_cache PROTO ((struct tree *));
-struct tree *tree_host_lookup PROTO ((char *));
-struct dns_host_entry *enter_dns_host PROTO ((char *));
-struct tree *tree_const PROTO ((unsigned char *, int));
-struct tree *tree_concat PROTO ((struct tree *, struct tree *));
-struct tree *tree_limit PROTO ((struct tree *, int));
-int tree_evaluate PROTO ((struct tree_cache *));
-
-/* dhcp.c */
-void dhcp PROTO ((struct packet *));
-void dhcpdiscover PROTO ((struct packet *));
-void dhcprequest PROTO ((struct packet *));
-void dhcprelease PROTO ((struct packet *));
-void dhcpdecline PROTO ((struct packet *));
-void dhcpinform PROTO ((struct packet *));
-void nak_lease PROTO ((struct packet *, struct iaddr *cip));
-void ack_lease PROTO ((struct packet *, struct lease *, unsigned char, TIME));
-struct lease *find_lease PROTO ((struct packet *));
-struct lease *mockup_lease PROTO ((struct packet *, struct host_decl *));
-
-/* bootp.c */
-void bootp PROTO ((struct packet *));
-
-/* memory.c */
-void enter_host PROTO ((struct host_decl *));
-struct host_decl *find_hosts_by_haddr PROTO ((int, unsigned char *, int));
-struct host_decl *find_hosts_by_uid PROTO ((unsigned char *, int));
-struct subnet *find_host_for_network PROTO ((struct host_decl **,
-					     struct iaddr *,
-					     struct shared_network *));
-void new_address_range PROTO ((struct iaddr, struct iaddr,
-			       struct subnet *, int));
-extern struct subnet *find_grouped_subnet PROTO ((struct shared_network *,
-						  struct iaddr));
-extern struct subnet *find_subnet PROTO ((struct iaddr));
-void enter_shared_network PROTO ((struct shared_network *));
-void enter_subnet PROTO ((struct subnet *));
-void enter_lease PROTO ((struct lease *));
-int supersede_lease PROTO ((struct lease *, struct lease *, int));
-void release_lease PROTO ((struct lease *));
-void abandon_lease PROTO ((struct lease *));
-struct lease *find_lease_by_uid PROTO ((unsigned char *, int));
-struct lease *find_lease_by_hw_addr PROTO ((unsigned char *, int));
-struct lease *find_lease_by_ip_addr PROTO ((struct iaddr));
-struct class *add_class PROTO ((int, char *));
-struct class *find_class PROTO ((int, char *, int));
-void write_leases PROTO ((void));
-void dump_subnets PROTO ((void));
-
-/* alloc.c */
-VOIDPTR dmalloc PROTO ((int, char *));
-void dfree PROTO ((VOIDPTR, char *));
-struct packet *new_packet PROTO ((char *));
-struct dhcp_packet *new_dhcp_packet PROTO ((char *));
-struct tree *new_tree PROTO ((char *));
-struct tree_cache *new_tree_cache PROTO ((char *));
-struct hash_table *new_hash_table PROTO ((int, char *));
-struct hash_bucket *new_hash_bucket PROTO ((char *));
-struct lease *new_lease PROTO ((char *));
-struct lease *new_leases PROTO ((int, char *));
-struct subnet *new_subnet PROTO ((char *));
-struct class *new_class PROTO ((char *));
-struct shared_network *new_shared_network PROTO ((char *));
-void free_shared_network PROTO ((struct shared_network *, char *));
-void free_class PROTO ((struct class *, char *));
-void free_subnet PROTO ((struct subnet *, char *));
-void free_lease PROTO ((struct lease *, char *));
-void free_hash_bucket PROTO ((struct hash_bucket *, char *));
-void free_hash_table PROTO ((struct hash_table *, char *));
-void free_tree_cache PROTO ((struct tree_cache *, char *));
-void free_packet PROTO ((struct packet *, char *));
-void free_dhcp_packet PROTO ((struct dhcp_packet *, char *));
-void free_tree PROTO ((struct tree *, char *));
-
-/* print.c */
-char *print_hw_addr PROTO ((int, int, unsigned char *));
-void print_lease PROTO ((struct lease *));
-void dump_raw PROTO ((unsigned char *, int));
-void dump_packet PROTO ((struct packet *));
-void hash_dump PROTO ((struct hash_table *));
-
-/* socket.c */
-#if defined (USE_SOCKET_SEND) || defined (USE_SOCKET_RECEIVE) \
-	|| defined (USE_SOCKET_FALLBACK)
-int if_register_socket PROTO ((struct interface_info *, struct ifreq *));
-#endif
-
-#ifdef USE_SOCKET_FALLBACK
-void if_register_fallback PROTO ((struct interface_info *, struct ifreq *));
-size_t send_fallback PROTO ((struct interface_info *,
-			   struct packet *, struct dhcp_packet *, size_t, 
-			   struct in_addr,
-			   struct sockaddr_in *, struct hardware *));
-#endif
-
-#ifdef USE_SOCKET_SEND
-void if_register_send PROTO ((struct interface_info *, struct ifreq *));
-size_t send_packet PROTO ((struct interface_info *,
-			   struct packet *, struct dhcp_packet *, size_t, 
-			   struct in_addr,
-			   struct sockaddr_in *, struct hardware *));
-#endif
-#ifdef USE_SOCKET_RECEIVE
-void if_register_receive PROTO ((struct interface_info *, struct ifreq *));
-size_t receive_packet PROTO ((struct interface_info *,
-			   unsigned char *, size_t,
-			   struct sockaddr_in *, struct hardware *));
-#endif
-
-/* bpf.c */
-#if defined (USE_BPF_SEND) || defined (USE_BPF_RECEIVE)
-int if_register_bpf PROTO ( (struct interface_info *, struct ifreq *));
-#endif
-#ifdef USE_BPF_SEND
-void if_register_send PROTO ((struct interface_info *, struct ifreq *));
-size_t send_packet PROTO ((struct interface_info *,
-			   struct packet *, struct dhcp_packet *, size_t,
-			   struct in_addr,
-			   struct sockaddr_in *, struct hardware *));
-#endif
-#ifdef USE_BPF_RECEIVE
-void if_register_receive PROTO ((struct interface_info *, struct ifreq *));
-size_t receive_packet PROTO ((struct interface_info *,
-			   unsigned char *, size_t,
-			   struct sockaddr_in *, struct hardware *));
-#endif
-
-/* nit.c */
-#ifdef USE_NIT_SEND
-void if_register_send PROTO ((struct interface_info *, struct ifreq *));
-size_t send_packet PROTO ((struct interface_info *,
-			   struct packet *, struct dhcp_packet *, size_t,
-			   struct in_addr,
-			   struct sockaddr_in *, struct hardware *));
-#endif
-#ifdef USE_NIT_RECEIVE
-void if_register_receive PROTO ((struct interface_info *, struct ifreq *));
-size_t receive_packet PROTO ((struct interface_info *,
-			   unsigned char *, size_t,
-			   struct sockaddr_in *, struct hardware *));
-#endif
-
-/* raw.c */
-#ifdef USE_RAW_SEND
-void if_register_send PROTO ((struct interface_info *, struct ifreq *));
-size_t send_packet PROTO ((struct interface_info *,
-			   struct packet *, struct dhcp_packet *, size_t,
-			   struct in_addr,
-			   struct sockaddr_in *, struct hardware *));
-#endif
-
-/* dispatch.c */
-struct interface_info *interfaces;
-void discover_interfaces PROTO ((void));
-void dispatch PROTO ((void));
-void do_packet PROTO ((struct interface_info *,
-		       unsigned char *, int,
-		       unsigned short, struct iaddr, struct hardware *));
-int locate_network PROTO ((struct packet *));
-
-/* hash.c */
-struct hash_table *new_hash PROTO ((void));
-void add_hash PROTO ((struct hash_table *, char *, int, unsigned char *));
-void delete_hash_entry PROTO ((struct hash_table *, char *, int));
-unsigned char *hash_lookup PROTO ((struct hash_table *, char *, int));
-
-/* tables.c */
-extern struct option dhcp_options [256];
-extern unsigned char dhcp_option_default_priority_list [];
-extern int sizeof_dhcp_option_default_priority_list;
-extern char *hardware_types [256];
-extern struct hash_table universe_hash;
-extern struct universe dhcp_universe;
-void initialize_universes PROTO ((void));
-
-/* convert.c */
-u_int32_t getULong PROTO ((unsigned char *));
-int32_t getLong PROTO ((unsigned char *));
-u_int16_t getUShort PROTO ((unsigned char *));
-int16_t getShort PROTO ((unsigned char *));
-void putULong PROTO ((unsigned char *, u_int32_t));
-void putLong PROTO ((unsigned char *, int32_t));
-void putUShort PROTO ((unsigned char *, u_int16_t));
-void putShort PROTO ((unsigned char *, int16_t));
-
-/* inet.c */
-struct iaddr subnet_number PROTO ((struct iaddr, struct iaddr));
-struct iaddr ip_addr PROTO ((struct iaddr, struct iaddr, u_int32_t));
-u_int32_t host_addr PROTO ((struct iaddr, struct iaddr));
-int addr_eq PROTO ((struct iaddr, struct iaddr));
-char *piaddr PROTO ((struct iaddr));
-
-/* dhclient.c */
-void dhcpoffer PROTO ((struct packet *));
-void dhcpack PROTO ((struct packet *));
-void dhcpnak PROTO ((struct packet *));
-void send_discover PROTO ((struct interface_info *));
-void send_request PROTO ((struct packet *));
-
-/* db.c */
-int write_lease PROTO ((struct lease *));
-int commit_leases PROTO ((void));
-void db_startup PROTO ((void));
-void new_lease_file PROTO ((void));
-
-/* packet.c */
-void assemble_hw_header PROTO ((struct interface_info *, unsigned char *,
-				int *, struct hardware *));
-void assemble_udp_ip_header PROTO ((struct interface_info *, unsigned char *,
-				    int *, u_int32_t, u_int32_t, u_int16_t,
-				    unsigned char *, int));
-size_t decode_hw_header PROTO ((struct interface_info *, unsigned char *,
-				int, struct hardware *));
-size_t decode_udp_ip_header PROTO ((struct interface_info *, unsigned char *,
-				    int, struct sockaddr_in *,
-				    unsigned char *, int));
diff --git a/includes/dhctoken.h b/includes/dhctoken.h
deleted file mode 100644
index 2d37a493..00000000
--- a/includes/dhctoken.h
+++ /dev/null
@@ -1,86 +0,0 @@
-/* dhctoken.h
-
-   Tokens for config file lexer and parser. */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#define SEMI ';'
-#define DOT '.'
-#define COLON ':'
-#define COMMA ','
-#define SLASH '/'
-
-#define FIRST_TOKEN	HOST
-#define HOST		256
-#define HARDWARE	257
-#define FILENAME	258
-#define FIXED_ADDR	259
-#define OPTION		260
-#define ETHERNET	261
-#define STRING		262
-#define NUMBER		263
-#define NUMBER_OR_ATOM	264
-#define ATOM		265
-#define TIMESTAMP	266
-#define STARTS		267
-#define ENDS		268
-#define UID		269
-#define CLASS		270
-#define LEASE		271
-#define RANGE		272
-#define PACKET		273
-#define CIADDR		274
-#define YIADDR		275
-#define SIADDR		276
-#define GIADDR		277
-#define SUBNET		278
-#define NETMASK		279
-#define DEFAULT_LEASE_TIME 280
-#define MAX_LEASE_TIME	281
-#define VENDOR_CLASS	282
-#define USER_CLASS	283
-#define SHARED_NETWORK	284
-#define SERVER_NAME	285
-#define DYNAMIC_BOOTP	286
-#define SERVER_IDENTIFIER 287
-
-#define is_identifier(x)	((x) >= FIRST_TOKEN &&	\
-				 (x) != STRING &&	\
-				 (x) != NUMBER &&	\
-				 (x) != EOF)
diff --git a/includes/hash.h b/includes/hash.h
deleted file mode 100644
index d30072b3..00000000
--- a/includes/hash.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/* hash.h
-
-   Definitions for hashing... */
-
-/*
- * Copyright (c) 1995 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#define DEFAULT_HASH_SIZE	97
-
-struct hash_bucket {
-	struct hash_bucket *next;
-	char *name;
-	int len;
-	unsigned char *value;
-};
-
-struct hash_table {
-	int hash_count;
-	struct hash_bucket *buckets [DEFAULT_HASH_SIZE];
-};
-
diff --git a/includes/inet.h b/includes/inet.h
deleted file mode 100644
index 758573e9..00000000
--- a/includes/inet.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/* inet.h
-
-   Portable definitions for internet addresses */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-/* An internet address of up to 128 bits. */
-
-struct iaddr {
-	int len;
-	unsigned char iabuf [16];
-};
diff --git a/includes/osdep.h b/includes/osdep.h
deleted file mode 100644
index 7c32a590..00000000
--- a/includes/osdep.h
+++ /dev/null
@@ -1,177 +0,0 @@
-/* osdep.h
-
-   Operating system dependencies... */
-
-/*
- * Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names of its
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
- * THE INTERNET SOFTWARE CONSORTIUM OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software was written for the Internet Software Consortium by Ted Lemon
- * under a contract with Vixie Laboratories.
- */
-
-#include "site.h"
-
-/* Porting::
-
-   If you add a new network API, you must add a check for it below: */
-
-#if !defined (USE_SOCKETS) && \
-    !defined (USE_SOCKET_SEND) && \
-    !defined (USE_SOCKET_RECEIVE) && \
-    !defined (USE_RAW_SOCKETS) && \
-    !defined (USE_RAW_SEND) && \
-    !defined (USE_SOCKET_RECEIVE) && \
-    !defined (USE_BPF) && \
-    !defined (USE_BPF_SEND) && \
-    !defined (USE_BPF_RECEIVE) && \
-    !defined (USE_NIT) && \
-    !defined (USE_NIT_SEND) && \
-    !defined (USE_NIT_RECEIVE)
-#  define USE_DEFAULT_NETWORK
-#endif
-
-
-/* Porting::
-
-   If you add a new system configuration file, include it here: */
-
-#if defined (sun)
-# if defined (__svr4__)
-#  include "cf/sunos5-5.h"
-# else
-#  include "cf/sunos4.h"
-# endif
-#endif
-
-#ifdef bsdi
-#  include "cf/bsdos.h"
-#endif
-
-#ifdef __NetBSD__
-#  include "cf/netbsd.h"
-#endif
-
-#ifdef __FreeBSD__
-#  include "cf/freebsd.h"
-#endif
-
-#if defined (__osf__) && defined (__alpha)
-#  include "cf/alphaosf.h"
-#endif
-
-#ifdef ultrix
-#  include "cf/ultrix.h"
-#endif
-
-#ifdef linux
-#  include "cf/linux.h"
-#endif
-
-#ifdef SCO
-#  include "cf/sco.h"
-#endif
-
-/* Porting::
-
-   If you add a new network API, and have it set up so that it can be
-   used for sending or receiving, but doesn't have to be used for both,
-   then set up an ifdef like the ones below: */
-
-#ifdef USE_SOCKETS
-#  define USE_SOCKET_SEND
-#  define USE_SOCKET_RECEIVE
-#endif
-
-#ifdef USE_RAW_SOCKETS
-#  define USE_RAW_SEND
-#  define USE_SOCKET_RECEIVE
-#endif
-
-#ifdef USE_BPF
-#  define USE_BPF_SEND
-#  define USE_BPF_RECEIVE
-#endif
-
-#ifdef USE_NIT
-#  define USE_NIT_SEND
-#  define USE_NIT_RECEIVE
-#endif
-
-/* Porting::
-
-   If you add support for sending packets directly out an interface,
-   and your support does not do ARP or routing, you must use a fallback
-   mechanism to deal with packets that need to be sent to routers.
-   Currently, all low-level packet interfaces use BSD sockets as a
-   fallback. */
-
-#if defined (USE_BPF_SEND) || defined (USE_NIT_SEND)
-#  define USE_SOCKET_FALLBACK
-#  define USE_FALLBACK
-#endif
-
-/* Porting::
-
-   If you add support for sending packets directly out an interface
-   and need to be able to assemble packets, add the USE_XXX_SEND
-   definition for your interface to the list tested below. */
-
-#if defined (USE_RAW_SEND) || defined (USE_BPF_SEND) || defined (USE_NIT_SEND)
-#  define PACKET_ASSEMBLY
-#endif
-
-/* Porting::
-
-   If you add support for receiving packets directly from an interface
-   and need to be able to decode raw packets, add the USE_XXX_RECEIVE
-   definition for your interface to the list tested below. */
-
-#if defined (USE_RAW_RECEIVE) || defined (USE_BPF_RECEIVE) \
-	|| defined (USE_NIT_RECEIVE)
-#  define PACKET_DECODING
-#endif
-
-/* jmp_buf is assumed to be a struct unless otherwise defined in the
-   system header. */
-#ifndef jbp_decl
-# define jbp_decl(x)	jmp_buf *x
-#endif
-#ifndef jref
-# define jref(x)	(&(x))
-#endif
-#ifndef jdref
-# define jdref(x)	(*(x))
-#endif
-#ifndef jrefproto
-# define jrefproto	jmp_buf *
-#endif
-
-#ifndef BPF_FORMAT
-# define BPF_FORMAT "/dev/bpf%d"
-#endif
diff --git a/includes/site.h b/includes/site.h
deleted file mode 100644
index 15ced2c1..00000000
--- a/includes/site.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/* Site-specific definitions.
-
-   For supported systems, you shouldn't need to make any changes here.
-   However, you may want to, in order to deal with site-specific
-   differences. */
-
-/* Add any site-specific definitions and inclusions here... */
-
-/* #include <site-foo-bar.h> */
-/* #define SITE_FOOBAR */
-
-/* Define this if you don't want dhcpd to run as a daemon and do want
-   to see all its output printed to stdout instead of being logged via
-   syslog().   This also makes dhcpd use the dhcpd.conf in its working
-   directory and write the dhcpd.leases file there. */
-
-/* #define DEBUG */
-
-/* Define this to see what the parser is parsing.   You probably don't
-   want to see this. */
-
-/* #define DEBUG_TOKENS */
-
-/* Define this to see dumps of incoming and outgoing packets.    This
-   slows things down quite a bit... */
-
-/* #define DEBUG_PACKET */
-
-/* Define this if you want to see dumps of tree evaluations.   The most
-   common reason for doing this is to watch what happens with DNS name
-   lookups. */
-
-/* #define DEBUG_EVAL */
-
-/* Define this if you want the dhcpd.pid file to go somewhere other than
-   the default (which varies from system to system, but is usually either
-   /etc or /var/run. */
-
-/* #define _PATH_DHCPD_PID	"/var/run/dhcpd.pid" */
-
-/* Define this if you want the dhcpd.leases file (the dynamic lease database)
-   to go somewhere other than the default location, which is normally
-   /etc/dhcpd.leases. */
-
-/* #define _PATH_DHCPD_DB	"/etc/dhcpd.leases" */
-
-/* Define this if you want the dhcpd.conf file to go somewhere other than
-   the default location.   By default, it goes in /etc/dhcpd.conf. */
-
-/* #define _PATH_DHCPD_CONF	"/etc/dhcpd.conf" */
-
-/* Network API definitions.   You do not need to choose one of these - if
-   you don't choose, one will be chosen for you in your system's config
-   header. */
-
-/* Define this to use the standard BSD socket API.
-
-   On many systems, the BSD socket API does not provide the ability to
-   send packets to the 255.255.255.255 broadcast address, which can
-   prevent some clients (e.g., Win95) from seeing replies.   This is
-   not a problem on Solaris.
-
-   In addition, the BSD socket API will not work when more than one
-   network interface is configured on the server.
-
-   However, the BSD socket API is about as efficient as you can get, so if
-   the aforementioned problems do not matter to you, or if no other
-   API is supported for your system, you may want to go with it. */
-
-/* #define USE_SOCKETS */
-
-/* Define this to use the Sun Streams NIT API.
-
-   The Sun Streams NIT API is only supported on SunOS 4.x releases. */
-
-/* #define USE_NIT */
-
-/* Define this to use the Berkeley Packet Filter API.
-
-   The BPF API is available on all 4.4-BSD derivatives, including
-   NetBSD, FreeBSD and BSDI's BSD/OS.   It's also available on
-   DEC Alpha OSF/1 in a compatibility mode supported by the Alpha OSF/1
-   packetfilter interface. */
-
-/* #define USE_BPF */
-
-/* Define this to use the raw socket API.
-
-   The raw socket API is provided on many BSD derivatives, and provides
-   a way to send out raw IP packets.   It is only supported for sending
-   packets - packets must be received with the regular socket API.
-   This code is experimental - I've never gotten it to actually transmit
-   a packet to the 255.255.255.255 broadcast address - so use it at your
-   own risk. */
-
-/* #define USE_RAW_SOCKETS */
diff --git a/includes/tree.h b/includes/tree.h
deleted file mode 100644
index c6b7a3ba..00000000
--- a/includes/tree.h
+++ /dev/null
@@ -1,104 +0,0 @@
-/* tree.h
-
-   Definitions for address trees... */
-
-/*
- * Copyright (c) 1995 The Internet Software Consortium.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-/* A pair of pointers, suitable for making a linked list. */
-typedef struct _pair {
-	caddr_t car;
-	struct _pair *cdr;
-} *pair;
-
-/* Tree node types... */
-#define TREE_CONCAT		1
-#define TREE_HOST_LOOKUP	2
-#define TREE_CONST		3
-#define TREE_LIMIT		4
-
-/* Tree structure for deferred evaluation of changing values. */
-struct tree {
-	int op;
-	union {
-		struct concat {
-			struct tree *left;
-			struct tree *right;
-		} concat;
-		struct host_lookup {
-			struct dns_host_entry *host;
-		} host_lookup;
-		struct const_val {
-			unsigned char *data;
-			int len;
-		} const_val;
-		struct limit {
-			struct tree *tree;
-			int limit;
-		} limit;
-	} data;
-};
-
-/* DNS host entry structure... */
-struct dns_host_entry {
-	char *hostname;
-	unsigned char *data;
-	int data_len;
-	int buf_len;
-	TIME timeout;
-};
-
-struct tree_cache {
-	unsigned char *value;
-	int len;
-	int buf_size;
-	TIME timeout;
-	struct tree *tree;
-};
-
-struct universe {
-	char *name;
-	struct hash_table *hash;
-	struct option *options [256];
-};
-
-struct option {
-	char *name;
-	char *format;
-	struct universe *universe;
-	unsigned char code;
-};
diff --git a/server/bootp.c b/server/bootp.c
deleted file mode 100644
index 427499b8..00000000
--- a/server/bootp.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/* bootp.c
-
-   BOOTP Protocol support. */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-void bootp (packet)
-	struct packet *packet;
-{
-	int result;
-	struct host_decl *hp;
-	struct host_decl *host = (struct host_decl *)0;
-	struct packet outgoing;
-	struct dhcp_packet raw;
-	struct sockaddr_in to;
-	struct hardware hto;
-	struct tree_cache *options [256];
-	struct subnet *subnet;
-	struct lease *lease;
-	struct iaddr ip_address;
-	int i;
-
-	note ("BOOTREQUEST from %s", print_hw_addr (packet -> raw -> htype,
-						    packet -> raw -> hlen,
-						    packet -> raw -> chaddr));
-
-	if (!locate_network (packet))
-		return;
-
-	hp = find_hosts_by_haddr (packet -> raw -> htype,
-				  packet -> raw -> chaddr,
-				  packet -> raw -> hlen);
-
-	lease = find_lease (packet);
-
-	/* Find an IP address in the host_decl that matches the
-	   specified network. */
-	if (hp)
-		subnet = find_host_for_network (&hp, &ip_address,
-						packet -> shared_network);
-	else
-		subnet = (struct subnet *)0;
-
-	if (!subnet) {
-		/* We didn't find an applicable host declaration.
-		   Just in case we may be able to dynamically assign
-		   an address, see if there's a host declaration
-		   that doesn't have an ip address associated with it. */
-		if (hp) {
-			for (; hp; hp = hp -> n_ipaddr) {
-				if (!hp -> fixed_addr) {
-					host = hp;
-				}
-			}
-		}
-
-		/* If the packet is from a host we don't know and there
-		   are no dynamic bootp addresses on the network it came
-		   in on, drop it on the floor. */
-		if (!packet -> shared_network -> dynamic_bootp) {
-		      lose:
-			note ("No applicable record for BOOTP host %s",
-			      print_hw_addr (packet -> raw -> htype,
-					     packet -> raw -> hlen,
-					     packet -> raw -> chaddr));
-			return;
-		}
-
-		/* If a lease has already been assigned through dynamic
-		   BOOTP, and it's still okay to use dynamic bootp on
-		   that lease, reassign it. */
-		if (lease) {
-			if ((lease -> flags & BOOTP_LEASE) &&
-			    (lease -> flags & DYNAMIC_BOOTP_OK)) {
-				lease -> host = host;
-				ack_lease (packet, lease, 0, 0);
-				return;
-			}
-			/* If the lease was acquired with DHCP, or
-			   if dynamic BOOTP is no longer allowed for
-			   this lease, set it free. */
-			release_lease (lease);
-		}
-
-		/* If there are dynamic bootp addresses that might be
-		   available, try to snag one. */
-		for (lease =
-		     packet -> shared_network -> last_lease;
-		     lease && lease -> ends <= cur_time;
-		     lease = lease -> prev) {
-			if ((lease -> flags & DYNAMIC_BOOTP_OK)) {
-				lease -> host = host;
-				ack_lease (packet, lease, 0, 0);
-				return;
-			}
-		}
-		goto lose;
-	}
-
-	/* If we don't have a fixed address for it, drop it. */
-	if (!subnet) {
-		note ("No fixed address for BOOTP host %s (%s)",
-		      print_hw_addr (packet -> raw -> htype,
-				     packet -> raw -> hlen,
-				     packet -> raw -> chaddr),
-		      hp -> name);
-		return;
-	}
-
-	/* Set up the outgoing packet... */
-	memset (&outgoing, 0, sizeof outgoing);
-	memset (&raw, 0, sizeof raw);
-	outgoing.raw = &raw;
-
-	/* Come up with a list of options that we want to send to this
-	   client.   Start with the per-subnet options, and then override
-	   those with client-specific options. */
-
-	memcpy (options, subnet -> options, sizeof options);
-
-	for (i = 0; i < 256; i++) {
-		if (hp -> options [i])
-			options [i] = hp -> options [i];
-	}
-
-	/* Pack the options into the buffer.   Unlike DHCP, we can't
-	   pack options into the filename and server name buffers. */
-
-	cons_options (packet, &outgoing, options, 0);
-	
-
-	/* Take the fields that we care about... */
-	raw.op = BOOTREPLY;
-	raw.htype = packet -> raw -> htype;
-	raw.hlen = packet -> raw -> hlen;
-	memcpy (raw.chaddr, packet -> raw -> chaddr, raw.hlen);
-	memset (&raw.chaddr [raw.hlen], 0,
-		(sizeof raw.chaddr) - raw.hlen);
-	raw.hops = packet -> raw -> hops;
-	raw.xid = packet -> raw -> xid;
-	raw.secs = packet -> raw -> secs;
-	raw.flags = 0;
-	raw.ciaddr = packet -> raw -> ciaddr;
-	memcpy (&raw.yiaddr, ip_address.iabuf, sizeof raw.yiaddr);
-
-	if (subnet -> interface_address.len)
-		memcpy (&raw.siaddr, subnet -> interface_address.iabuf, 4);
-	else
-		memcpy (&raw.siaddr, server_identifier.iabuf, 4);
-
-	raw.giaddr = packet -> raw -> giaddr;
-	if (hp -> server_name) {
-		strncpy (raw.sname, hp -> server_name,
-			 (sizeof raw.sname) - 1);
-		raw.sname [(sizeof raw.sname) - 1] = 0;
-	}
-	if (hp -> filename) {
-		strncpy (raw.file, hp -> filename,
-			 (sizeof raw.file) - 1);
-		raw.file [(sizeof raw.file) - 1] = 0;
-	}
-
-	/* Set up the hardware destination address... */
-	hto.htype = packet -> raw -> htype;
-	hto.hlen = packet -> raw -> hlen;
-	memcpy (hto.haddr, packet -> raw -> chaddr, hto.hlen);
-
-	/* Report what we're doing... */
-	note ("BOOTREPLY for %s to %s",
-	      inet_ntoa (raw.yiaddr),
-	      print_hw_addr (packet -> raw -> htype,
-			     packet -> raw -> hlen,
-			     packet -> raw -> chaddr));
-
-	/* Set up the parts of the address that are in common. */
-	to.sin_family = AF_INET;
-#ifdef HAVE_SA_LEN
-	to.sin_len = sizeof to;
-#endif
-	memset (to.sin_zero, 0, sizeof to.sin_zero);
-
-	/* If this was gatewayed, send it back to the gateway... */
-	if (raw.giaddr.s_addr) {
-		to.sin_addr = raw.giaddr;
-		to.sin_port = server_port;
-
-#ifdef USE_FALLBACK
-		result = send_fallback (&fallback_interface,
-					(struct packet *)0,
-					&raw, outgoing.packet_length,
-					raw.siaddr, &to, &hto);
-		if (result < 0)
-			warn ("send_fallback: %m");
-		return;
-#endif
-	/* Otherwise, broadcast it on the local network. */
-	} else {
-		to.sin_addr.s_addr = INADDR_BROADCAST;
-		to.sin_port = htons (ntohs (server_port) + 1); /* XXX */
-	}
-
-	errno = 0;
-	result = send_packet (packet -> interface,
-			      packet, &raw, outgoing.packet_length,
-			      raw.siaddr, &to, &hto);
-	if (result < 0)
-		warn ("send_packet: %m");
-}
diff --git a/server/confpars.c b/server/confpars.c
deleted file mode 100644
index a913114c..00000000
--- a/server/confpars.c
+++ /dev/null
@@ -1,1536 +0,0 @@
-/* confpars.c
-
-   Parser for dhcpd config file... */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-#include "dhctoken.h"
-
-static TIME parsed_time;
-
-/* conf-file :== statements
-   declarations :== <nil> | declaration | declarations declaration */
-
-void readconf ()
-{
-	FILE *cfile;
-	char *val;
-	int token;
-
-	/* Set up the initial dhcp option universe. */
-	initialize_universes ();
-
-	if ((cfile = fopen (_PATH_DHCPD_CONF, "r")) == NULL)
-		error ("Can't open %s: %m", _PATH_DHCPD_CONF);
-	do {
-		token = peek_token (&val, cfile);
-		if (token == EOF)
-			break;
-		parse_statement (cfile);
-	} while (1);
-	token = next_token (&val, cfile);
-}
-
-void read_leases ()
-{
-	FILE *cfile;
-	char *val;
-	int token;
-	jmp_buf bc;
-
-	/* Open the lease file... */
-	if ((cfile = fopen (_PATH_DHCPD_DB, "r")) == NULL) {
-		warn ("Can't open lease database %s: %m", _PATH_DHCPD_DB);
-		return;
-	}
-	do {
-		token = next_token (&val, cfile);
-		if (token == EOF)
-			break;
-		if (token != LEASE) {
-			warn ("Corrupt lease file - possible data loss!");
-			skip_to_semi (cfile);
-		} else {
-			if (!setjmp (bc)) {
-				struct lease *lease;
-				lease = parse_lease_statement (cfile,
-							       jref (bc));
-				enter_lease (lease);
-			} else {
-				parse_warn ("possibly corrupt lease file");
-			}
-		}
-
-	} while (1);
-}
-
-/* statement :== host_statement */
-
-void parse_statement (cfile)
-	FILE *cfile;
-{
-	int token;
-	char *val;
-	jmp_buf bc;
-
-	switch (next_token (&val, cfile)) {
-	      case HOST:
-		if (!setjmp (bc)) {
-			struct host_decl *hd =
-				parse_host_statement (cfile, jref (bc));
-			if (hd) {
-				enter_host (hd);
-			}
-		}
-		break;
-	      case LEASE:
-		if (!setjmp (bc)) {
-			struct lease *lease =
-				parse_lease_statement (cfile, jref (bc));
-			enter_lease (lease);
-		}
-		break;
-	      case TIMESTAMP:
-		if (!setjmp (bc)) {
-			parsed_time = parse_timestamp (cfile, jref (bc));
-		}
-		break;
-	      case SHARED_NETWORK:
-		if (!setjmp (bc)) {
-			parse_shared_net_statement (cfile, jref (bc));
-		}
-		break;
-	      case SUBNET:
-		if (!setjmp (bc)) {
-			struct shared_network *share;
-			struct subnet *subnet;
-			char *t, *n;
-
-			share = new_shared_network ("parse_statement");
-			if (!share)
-				error ("No memory for shared subnet");
-			share -> leases = (struct lease *)0;
-			share -> last_lease = (struct lease *)0;
-			share -> insertion_point = (struct lease *)0;
-			share -> next = (struct shared_network *)0;
-			share -> default_lease_time = default_lease_time;
-			share -> max_lease_time = max_lease_time;
-			memcpy (share -> options,
-				global_options, sizeof global_options);
-
-			subnet = parse_subnet_statement (cfile, jref (bc),
-							 share);
-			share -> subnets = subnet;
-			n = piaddr (subnet -> net);
-			t = dmalloc (strlen (n) + 1, "parse_statement");
-			if (!t)
-				error ("no memory for subnet name");
-			strcpy (t, n);
-			share -> name = t;
-			enter_shared_network (share);
-			goto need_semi;
-		}
-		break;
-	      case VENDOR_CLASS:
-		if (!setjmp (bc)) {
-			parse_class_statement (cfile, jref (bc), 0);
-		}
-		break;
-	      case USER_CLASS:
-		if (!setjmp (bc)) {
-			parse_class_statement (cfile, jref (bc), 1);
-		}
-		break;
-
-	      case DEFAULT_LEASE_TIME:
-		if (!setjmp (bc)) {
-			parse_lease_time (cfile, jref (bc),
-					  &default_lease_time);
-			goto need_semi;
-		}
-		break;
-
-	      case MAX_LEASE_TIME:
-		if (!setjmp (bc)) {
-			parse_lease_time (cfile, jref (bc), &max_lease_time);
-			goto need_semi;
-		}
-		break;
-
-	      case OPTION:
-		if (!setjmp (bc)) {
-			parse_option_decl (cfile, jref (bc), global_options);
-			goto need_semi;
-		}
-		break;
-
-	      case SERVER_IDENTIFIER:
-		if (!setjmp (bc)) {
-			struct tree_cache *server_id =
-				tree_cache (parse_ip_addr_or_hostname
-					    (cfile, jref (bc), 0));
-			if (!tree_evaluate (server_id))
-				error ("server identifier is not known");
-			if (server_id -> len > 4)
-				warn ("server identifier evaluates to more %s",
-				      "than one IP address");
-			server_identifier.len = 4;
-			memcpy (server_identifier.iabuf,
-				server_id -> value, server_identifier.len);
-			goto need_semi;
-		}
-		break;
-			
-	      default:
-		parse_warn ("expecting a declaration.");
-		skip_to_semi (cfile);
-		break;
-	}
-	return;
-
-      need_semi:
-	token = next_token (&val, cfile);
-	if (token != SEMI) {
-		parse_warn ("semicolon expected");
-		skip_to_semi (cfile);
-	}
-}
-
-void skip_to_semi (cfile)
-	FILE *cfile;
-{
-	int token;
-	char *val;
-
-	do {
-		token = next_token (&val, cfile);
-	} while (token != SEMI && token != EOF);
-}
-
-/* host_statement :== HOST hostname declarations SEMI
-   host_declarations :== <nil> | host_declaration
-			       | host_declarations host_declaration SEMI */
-
-struct host_decl *parse_host_statement (cfile, bc)
-	FILE *cfile;
-	jbp_decl (bc);
-{
-	char *val;
-	int token;
-	struct host_decl tmp, *perm;
-
-	memset (&tmp, 0, sizeof tmp);
-	tmp.name = parse_host_name (cfile, bc);
-	do {
-		token = peek_token (&val, cfile);
-		if (token == SEMI) {
-			token = next_token (&val, cfile);
-			break;
-		}
-		parse_host_decl (cfile, bc, &tmp);
-	} while (1);
-	perm = (struct host_decl *)malloc (sizeof (struct host_decl));
-	if (!perm)
-		error ("can't allocate host decl struct for %s.", tmp.name);
-	*perm = tmp;
-	return perm;
-}
-
-/* host_name :== identifier | host_name DOT identifier */
-
-char *parse_host_name (cfile, bc)
-	FILE *cfile;
-	jbp_decl (bc);
-{
-	char *val;
-	int token;
-	int len = 0;
-	char *s;
-	char *t;
-	pair c = (pair)0;
-	
-	/* Read a dotted hostname... */
-	do {
-		/* Read a token, which should be an identifier. */
-		token = next_token (&val, cfile);
-		if (!is_identifier (token)) {
-			parse_warn ("expecting an identifier in hostname");
-			skip_to_semi (cfile);
-			longjmp (jdref (bc), 1);
-		}
-		/* Store this identifier... */
-		if (!(s = (char *)malloc (strlen (val) + 1)))
-			error ("can't allocate temp space for hostname.");
-		strcpy (s, val);
-		c = cons ((caddr_t)s, c);
-		len += strlen (s) + 1;
-		/* Look for a dot; if it's there, keep going, otherwise
-		   we're done. */
-		token = peek_token (&val, cfile);
-		if (token == DOT)
-			token = next_token (&val, cfile);
-	} while (token == DOT);
-
-	/* Assemble the hostname together into a string. */
-	if (!(s = (char *)malloc (len)))
-		error ("can't allocate space for hostname.");
-	t = s + len;
-	*--t = 0;
-	while (c) {
-		pair cdr = c -> cdr;
-		int l = strlen ((char *)(c -> car));
-		t -= l;
-		memcpy (t, (char *)(c -> car), l);
-		/* Free up temp space. */
-		free (c -> car);
-		free (c);
-		c = cdr;
-		if (t != s)
-			*--t = '.';
-	}
-	return s;
-}
-
-/* class_statement :== VENDOR_CLASS STRING class_declarations SEMI
-   		     | USER_CLASS class_declarations SEMI
-   class_declarations :== <nil> | option_declaration
-			        | option_declarations option_declaration SEMI
-*/
-
-void parse_class_statement (cfile, bc, type)
-	FILE *cfile;
-	jbp_decl (bc);
-	int type;
-{
-	char *val;
-	int token;
-	struct class *class;
-
-	token = next_token (&val, cfile);
-	if (token != STRING) {
-		parse_warn ("Expecting class name");
-		skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-
-	class = add_class (type, val);
-	if (!class)
-		error ("No memory for new class");
-
-	do {
-		token = peek_token (&val, cfile);
-		if (token == SEMI) {
-			token = next_token (&val, cfile);
-			break;
-		} else {
-			parse_class_decl (cfile, bc, class);
-		}
-	} while (1);
-}
-
-/* class_declaration :== filename_declaration
-   		       | option_declaration
-		       | DEFAULT_LEASE_TIME NUMBER
-		       | MAX_LEASE_TIME NUMBER */
-
-void parse_class_decl (cfile, bc, class)
-	FILE *cfile;
-	jbp_decl (bc);
-	struct class *class;
-{
-	char *val;
-	int token;
-
-	token = next_token (&val, cfile);
-	switch (token) {
-	      case FILENAME:
-		class -> filename = parse_filename_decl (cfile, bc);
-		break;
-	      case OPTION:
-		parse_option_decl (cfile, bc, class -> options);
-		break;
-	      default:
-		parse_warn ("expecting a dhcp option declaration.");
-		skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-		break;
-	}
-}
-
-/* lease_time :== NUMBER */
-
-void parse_lease_time (cfile, bc, timep)
-	FILE *cfile;
-	jbp_decl (bc);
-	TIME *timep;
-{
-	char *val;
-	int token;
-
-	token = next_token (&val, cfile);
-	if (token != NUMBER) {
-		parse_warn ("Expecting numeric lease time");
-		skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	convert_num ((unsigned char *)timep, val, 10, 32);
-	/* Unswap the number - convert_num returns stuff in NBO. */
-	*timep = ntohl (*timep); /* XXX */
-}
-
-/* shared_network_statement :== SHARED_NETWORK subnet_statements SEMI
-   subnet_statements :== subnet_statement |
-   			 subnet_statements subnet_statement */
-
-void parse_shared_net_statement (cfile, bc)
-	FILE *cfile;
-	jbp_decl (bc);
-{
-	char *val;
-	int token;
-	struct shared_network *share;
-	struct subnet *first_net = (struct subnet *)0;
-	struct subnet *last_net = (struct subnet *)0;
-	struct subnet *next_net;
-	char *name;
-
-	share = new_shared_network ("parse_shared_net_statement");
-	if (!share)
-		error ("No memory for shared subnet");
-	share -> leases = (struct lease *)0;
-	share -> last_lease = (struct lease *)0;
-	share -> insertion_point = (struct lease *)0;
-	share -> next = (struct shared_network *)0;
-	share -> default_lease_time = default_lease_time;
-	share -> max_lease_time = max_lease_time;
-	memcpy (share -> options, global_options, sizeof global_options);
-
-	/* Get the name of the shared network... */
-	token = next_token (&val, cfile);
-	if (!is_identifier (token) && token != STRING) {
-		skip_to_semi (cfile);
-		parse_warn ("expecting shared network name");
-		longjmp (jdref (bc), 1);
-	}
-	if (val [0] == 0) {
-		parse_warn ("zero-length shared network name");
-		val = "<no-name-given>";
-	}
-	name = dmalloc (strlen (val), "parse_shared_net_statement");
-	if (!name)
-		error ("no memory for shared network name");
-	strcpy (name, val);
-	share -> name = name;
-
-	do {
-		token = next_token (&val, cfile);
-		switch (token) {
-		      case SEMI:
-			if (!first_net) {
-				parse_warn ("empty shared-network decl");
-				return;
-			}
-			share -> subnets = first_net;
-			enter_shared_network (share);
-			return;
-
-		      case SUBNET:
-			next_net = parse_subnet_statement (cfile, bc, share);
-			if (!first_net)
-				first_net = next_net;
-			if (last_net)
-				last_net -> next_sibling = next_net;
-			last_net = next_net;
-			break;
-
-		      case OPTION:
-			parse_option_decl (cfile, bc, share -> options);
-			break;
-
-		      case DEFAULT_LEASE_TIME:
-			parse_lease_time (cfile, bc,
-					  &share -> default_lease_time);
-			break;
-
-		      case MAX_LEASE_TIME:
-			parse_lease_time (cfile, bc,
-					  &share -> max_lease_time);
-			break;
-
-		      default:
-			parse_warn ("expecting subnet declaration");
-			skip_to_semi (cfile);
-			longjmp (jdref (bc), 1);
-		}
-	} while (1);
-}
-
-/* subnet_statement :== SUBNET net NETMASK netmask declarations
-   host_declarations :== <nil> | host_declaration
-			       | host_declarations host_declaration SEMI */
-
-struct subnet *parse_subnet_statement (cfile, bc, share)
-	FILE *cfile;
-	jbp_decl (bc);
-	struct shared_network *share;
-{
-	char *val;
-	int token;
-	struct subnet *subnet;
-	struct iaddr net, netmask;
-	unsigned char addr [4];
-	int len = sizeof addr;
-
-	subnet = new_subnet ("parse_subnet_statement");
-	if (!subnet)
-		error ("No memory for new subnet");
-	subnet -> next_subnet = subnet -> next_sibling = (struct subnet *)0;
-	subnet -> shared_network = share;
-	subnet -> default_lease_time = share -> default_lease_time;
-	subnet -> max_lease_time = share -> max_lease_time;
-	memcpy (subnet -> options, share -> options, sizeof subnet -> options);
-
-	/* Get the network number... */
-	parse_numeric_aggregate (cfile, bc, addr, &len, DOT, 10, 8);
-	memcpy (net.iabuf, addr, len);
-	net.len = len;
-	subnet -> net = net;
-
-	token = next_token (&val, cfile);
-	if (token != NETMASK) {
-		parse_warn ("Expecting netmask");
-		skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-
-	/* Get the netmask... */
-	parse_numeric_aggregate (cfile, bc, addr, &len, DOT, 10, 8);
-	memcpy (netmask.iabuf, addr, len);
-	netmask.len = len;
-	subnet -> netmask = netmask;
-
-	enter_subnet (subnet);
-
-	do {
-		token = peek_token (&val, cfile);
-		if (token == SEMI || token == SUBNET)
-			break;
-		parse_subnet_decl (cfile, bc, subnet);
-	} while (1);
-
-	/* If this subnet supports dynamic bootp, flag it so in the
-	   shared_network containing it. */
-	if (subnet -> dynamic_bootp)
-		share -> dynamic_bootp = 1;
-	return subnet;
-}
-
-/* subnet_declaration :== hardware_declaration | filename_declaration
-		        | fixed_addr_declaration | option_declaration */
-
-void parse_subnet_decl (cfile, bc, decl)
-	FILE *cfile;
-	jbp_decl (bc);
-	struct subnet *decl;
-{
-	char *val;
-	int token;
-
-	token = next_token (&val, cfile);
-	switch (token) {
-	      case RANGE:
-		parse_address_range (cfile, bc, decl);
-		break;
-
-	      case OPTION:
-		parse_option_decl (cfile, bc, decl -> options);
-		break;
-
-	      case DEFAULT_LEASE_TIME:
-		parse_lease_time (cfile, bc,
-				  &decl -> default_lease_time);
-		break;
-		
-	      case MAX_LEASE_TIME:
-		parse_lease_time (cfile, bc,
-				  &decl -> max_lease_time);
-		break;
-
-	      default:
-		parse_warn ("expecting a subnet declaration.");
-		skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-		break;
-	}
-}
-
-/* host_declaration :== hardware_declaration | filename_declaration
-		      | fixed_addr_declaration | option_declaration
-		      | max_lease_declaration | default_lease_declaration */
-
-void parse_host_decl (cfile, bc, decl)
-	FILE *cfile;
-	jbp_decl (bc);
-	struct host_decl *decl;
-{
-	char *val;
-	int token;
-
-	token = next_token (&val, cfile);
-	switch (token) {
-	      case HARDWARE:
-		parse_hardware_decl (cfile, bc, decl);
-		break;
-	      case FILENAME:
-		decl -> filename = parse_filename_decl (cfile, bc);
-		break;
-	      case SERVER_NAME:
-		decl -> server_name = parse_servername_decl (cfile, bc);
-		break;
-	      case FIXED_ADDR:
-		parse_fixed_addr_decl (cfile, bc, decl);
-		break;
-	      case OPTION:
-		parse_option_decl (cfile, bc, decl -> options);
-		break;
-	      case DEFAULT_LEASE_TIME:
-		parse_lease_time (cfile, bc,
-				  &decl -> default_lease_time);
-		break;
-	      case MAX_LEASE_TIME:
-		parse_lease_time (cfile, bc,
-				  &decl -> max_lease_time);
-		break;
-	      case CIADDR:
-		decl -> ciaddr =
-			tree_cache (parse_ip_addr_or_hostname (cfile, bc, 0));
-		break;
-	      case YIADDR:
-		decl -> yiaddr =
-			tree_cache (parse_ip_addr_or_hostname (cfile, bc, 0));
-		break;
-	      case SIADDR:
-		decl -> siaddr =
-			tree_cache (parse_ip_addr_or_hostname (cfile, bc, 0));
-		break;
-	      case GIADDR:
-		decl -> giaddr =
-			tree_cache (parse_ip_addr_or_hostname (cfile, bc, 0));
-		break;
-	      default:
-		parse_warn ("expecting a dhcp option declaration.");
-		skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-		break;
-	}
-}
-
-/* hardware_decl :== HARDWARE ETHERNET NUMBER COLON NUMBER COLON NUMBER COLON
-   				       NUMBER COLON NUMBER COLON NUMBER */
-
-void parse_hardware_decl (cfile, bc, decl)
-	FILE *cfile;
-	jbp_decl (bc);
-	struct host_decl *decl;
-{
-	char *val;
-	int token;
-	struct hardware hw;
-
-	hw = parse_hardware_addr (cfile, bc);
-
-	/* Copy out the information... */
-	decl -> interface.htype = hw.htype;
-	decl -> interface.hlen = hw.hlen;
-	memcpy (decl -> interface.haddr, &hw.haddr [0], hw.hlen);
-}
-
-struct hardware parse_hardware_addr (cfile, bc)
-	FILE *cfile;
-	jbp_decl (bc);
-{
-	char *val;
-	int token;
-	int hlen;
-	struct hardware rv;
-
-	token = next_token (&val, cfile);
-	switch (token) {
-	      case ETHERNET:
-		rv.htype = ARPHRD_ETHER;
-		hlen = 6;
-		parse_numeric_aggregate (cfile, bc,
-					 (unsigned char *)&rv.haddr [0], &hlen,
-					 COLON, 16, 8);
-		rv.hlen = hlen;
-		break;
-	      default:
-		parse_warn ("expecting a network hardware type");
-		skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	return rv;
-}
-
-/* filename_decl :== FILENAME STRING */
-
-char *parse_filename_decl (cfile, bc)
-	FILE *cfile;
-	jbp_decl (bc);
-{
-	char *val;
-	int token;
-	char *s;
-
-	token = next_token (&val, cfile);
-	if (token != STRING) {
-		parse_warn ("filename must be a string");
-		skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	s = (char *)malloc (strlen (val));
-	if (!s)
-		error ("no memory for filename.");
-	strcpy (s, val);
-	return s;
-}
-
-/* servername_decl :== SERVER_NAME STRING */
-
-char *parse_servername_decl (cfile, bc)
-	FILE *cfile;
-	jbp_decl (bc);
-{
-	char *val;
-	int token;
-	char *s;
-
-	token = next_token (&val, cfile);
-	if (token != STRING) {
-		parse_warn ("server name must be a string");
-		skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	s = (char *)malloc (strlen (val));
-	if (!s)
-		error ("no memory for server name.");
-	strcpy (s, val);
-	return s;
-}
-
-/* ip_addr_or_hostname :== ip_address | hostname
-   ip_address :== NUMBER DOT NUMBER DOT NUMBER DOT NUMBER
-   
-   Parse an ip address or a hostname.   If uniform is zero, put in
-   a TREE_LIMIT node to catch hostnames that evaluate to more than
-   one IP address. */
-
-struct tree *parse_ip_addr_or_hostname (cfile, bc, uniform)
-	FILE *cfile;
-	jbp_decl (bc);
-	int uniform;
-{
-	char *val;
-	int token;
-	unsigned char addr [4];
-	int len = sizeof addr;
-	char *name;
-	struct tree *rv;
-
-	token = peek_token (&val, cfile);
-	if (is_identifier (token)) {
-		name = parse_host_name (cfile, bc);
-		rv = tree_host_lookup (name);
-		if (!uniform)
-			rv = tree_limit (rv, 4);
-	} else if (token == NUMBER) {
-		parse_numeric_aggregate (cfile, bc, addr, &len, DOT, 10, 8);
-		rv = tree_const (addr, len);
-	} else {
-		parse_warn ("%s (%d): expecting IP address or hostname",
-			    val, token);
-		skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	return rv;
-}	
-	
-
-/* fixed_addr_clause :==
-	FIXED_ADDR fixed_addr_decls
-
-   fixed_addr_decls :== ip_addr_or_hostname |
-   			fixed_addr_decls ip_addr_or_hostname */
-
-void parse_fixed_addr_decl (cfile, bc, decl)
-	FILE *cfile;
-	jbp_decl (bc);
-	struct host_decl *decl;
-{
-	char *val;
-	int token;
-	struct tree *tree = (struct tree *)0;
-	struct tree *tmp;
-
-	do {
-		tmp = parse_ip_addr_or_hostname (cfile, bc, 0);
-		if (tree)
-			tree = tree_concat (tree, tmp);
-		else
-			tree = tmp;
-		token = peek_token (&val, cfile);
-		if (token == COMMA)
-			token = next_token (&val, cfile);
-	} while (token == COMMA);
-	decl -> fixed_addr = tree_cache (tree);
-}
-
-/* option_declaration :== OPTION identifier DOT identifier <syntax> |
-			  OPTION identifier <syntax>
-
-   Option syntax is handled specially through format strings, so it
-   would be painful to come up with BNF for it.   However, it always
-   starts as above. */
-
-void parse_option_decl (cfile, bc, options)
-	FILE *cfile;
-	jbp_decl (bc);
-	struct tree_cache **options;
-{
-	char *val;
-	int token;
-	unsigned char buf [4];
-	char *vendor;
-	char *fmt;
-	struct universe *universe;
-	struct option *option;
-	struct tree *tree = (struct tree *)0;
-
-	token = next_token (&val, cfile);
-	if (!is_identifier (token)) {
-		parse_warn ("expecting identifier after option keyword.");
-		if (token != SEMI)
-			skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	vendor = dmalloc (strlen (val) + 1, "parse_option_decl");
-	strcpy (vendor, val);
-	token = peek_token (&val, cfile);
-	if (token == DOT) {
-		/* Go ahead and take the DOT token... */
-		token = next_token (&val, cfile);
-
-		/* The next token should be an identifier... */
-		token = next_token (&val, cfile);
-		if (!is_identifier (token)) {
-			parse_warn ("expecting identifier after '.'");
-			if (token != SEMI)
-				skip_to_semi (cfile);
-			longjmp (jdref (bc), 1);
-		}
-
-		/* Look up the option name hash table for the specified
-		   vendor. */
-		universe = (struct universe *)hash_lookup (&universe_hash,
-							   vendor, 0);
-		/* If it's not there, we can't parse the rest of the
-		   statement. */
-		if (!universe) {
-			parse_warn ("no vendor named %s.", vendor);
-			skip_to_semi (cfile);
-			longjmp (jdref (bc), 1);
-		}
-	} else {
-		/* Use the default hash table, which contains all the
-		   standard dhcp option names. */
-		val = vendor;
-		universe = &dhcp_universe;
-	}
-
-	/* Look up the actual option info... */
-	option = (struct option *)hash_lookup (universe -> hash, val, 0);
-
-	/* If we didn't get an option structure, it's an undefined option. */
-	if (!option) {
-		if (val == vendor)
-			parse_warn ("no option named %s", val);
-		else
-			parse_warn ("no option named %s for vendor %s",
-				    val, vendor);
-		skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-
-	/* Free the initial identifier token. */
-	free (vendor);
-
-	/* Parse the option data... */
-	do {
-		/* Set a flag if this is an array of a simple type (i.e.,
-		   not an array of pairs of IP addresses, or something
-		   like that. */
-		int uniform = option -> format [1] == 'A';
-
-		for (fmt = option -> format; *fmt; fmt++) {
-			if (*fmt == 'A')
-				break;
-			switch (*fmt) {
-			      case 't': /* Text string... */
-				token = next_token (&val, cfile);
-				if (token != STRING
-				    && !is_identifier (token)) {
-					parse_warn ("expecting string.");
-					if (token != SEMI)
-						skip_to_semi (cfile);
-					longjmp (jdref (bc), 1);
-				}
-				tree = tree_concat (tree,
-						    tree_const (val,
-								strlen (val)));
-				break;
-
-			      case 'I': /* IP address or hostname. */
-				tree = tree_concat (tree,
-						    parse_ip_addr_or_hostname
-						    (cfile, bc, uniform));
-				break;
-
-			      case 'L': /* Unsigned 32-bit integer... */
-			      case 'l':	/* Signed 32-bit integer... */
-				token = next_token (&val, cfile);
-				if (token != NUMBER) {
-				      need_number:
-					parse_warn ("expecting number.");
-					if (token != SEMI)
-						skip_to_semi (cfile);
-					longjmp (jdref (bc), 1);
-				}
-				convert_num (buf, val, 0, 32);
-				tree = tree_concat (tree, tree_const (buf, 4));
-				break;
-			      case 's':	/* Signed 16-bit integer. */
-			      case 'S':	/* Unsigned 16-bit integer. */
-				token = next_token (&val, cfile);
-				if (token != NUMBER)
-					goto need_number;
-				convert_num (buf, val, 0, 16);
-				tree = tree_concat (tree, tree_const (buf, 2));
-				break;
-			      case 'b':	/* Signed 8-bit integer. */
-			      case 'B':	/* Unsigned 8-bit integer. */
-				token = next_token (&val, cfile);
-				if (token != NUMBER)
-					goto need_number;
-				convert_num (buf, val, 0, 8);
-				tree = tree_concat (tree, tree_const (buf, 1));
-				break;
-			      case 'f': /* Boolean flag. */
-				token = next_token (&val, cfile);
-				if (!is_identifier (token)) {
-					parse_warn ("expecting identifier.");
-				      bad_flag:
-					if (token != SEMI)
-						skip_to_semi (cfile);
-					longjmp (jdref (bc), 1);
-				}
-				if (!strcasecmp (val, "true")
-				    || !strcasecmp (val, "on"))
-					buf [0] = 1;
-				else if (!strcasecmp (val, "false")
-					 || !strcasecmp (val, "off"))
-					buf [0] = 0;
-				else {
-					parse_warn ("expecting boolean.");
-					goto bad_flag;
-				}
-				tree = tree_concat (tree, tree_const (buf, 1));
-				break;
-			      default:
-				warn ("Bad format %c in parse_option_decl.",
-				      *fmt);
-				skip_to_semi (cfile);
-				longjmp (jdref (bc), 1);
-			}
-		}
-		if (*fmt == 'A') {
-			token = peek_token (&val, cfile);
-			if (token == COMMA) {
-				token = next_token (&val, cfile);
-				continue;
-			}
-			break;
-		}
-	} while (*fmt == 'A');
-
-	options [option -> code] = tree_cache (tree);
-}
-
-/* timestamp :== TIMESTAMP date SEMI
-
-   Timestamps are actually not used in dhcpd.conf, which is a static file,
-   but rather in the database file and the journal file. */
-
-TIME parse_timestamp (cfile, bc)
-	FILE *cfile;
-	jbp_decl (bc);
-{
-	TIME rv;
-	char *val;
-	int token;
-
-	rv = parse_date (cfile, bc);
-	token = next_token (&val, cfile);
-	if (token != SEMI) {
-		parse_warn ("semicolon expected");
-		skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	return rv;
-}
-		
-/* lease_decl :== LEASE ip_address lease_modifiers SEMI
-   lease_modifiers :== <nil>
-   		|	lease_modifier
-		|	lease_modifier lease_modifiers
-   lease_modifier :==	STARTS date
-   		|	ENDS date
-		|	UID hex_numbers
-		|	HOST identifier
-		|	CLASS identifier
-		|	TIMESTAMP number
-		|	DYNAMIC_BOOTP */
-
-struct lease *parse_lease_statement (cfile, bc)
-	FILE *cfile;
-	jbp_decl (bc);
-{
-	char *val;
-	int token;
-	unsigned char addr [4];
-	int len = sizeof addr;
-	char *s;
-	unsigned char *uid;
-	int seenmask = 0;
-	int seenbit;
-	char tbuf [32];
-	char ubuf [1024];
-	static struct lease lease;
-
-	/* Zap the lease structure... */
-	memset (&lease, 0, sizeof lease);
-
-	/* Get the address for which the lease has been issued. */
-	parse_numeric_aggregate (cfile, bc, addr, &len, DOT, 10, 8);
-	memcpy (lease.ip_addr.iabuf, addr, len);
-	lease.ip_addr.len = len;
-
-	do {
-		token = next_token (&val, cfile);
-		if (token == SEMI)
-			break;
-		strncpy (val, tbuf, sizeof tbuf);
-		tbuf [(sizeof tbuf) - 1] = 0;
-
-		/* Parse any of the times associated with the lease. */
-		if (token == STARTS || token == ENDS || token == TIMESTAMP) {
-			TIME t;
-			t = parse_date (cfile, bc);
-			switch (token) {
-			      case STARTS:
-				seenbit = 1;
-				lease.starts = t;
-				break;
-			
-			      case ENDS:
-				seenbit = 2;
-				lease.ends = t;
-				break;
-				
-			      case TIMESTAMP:
-				seenbit = 4;
-				lease.timestamp = t;
-				break;
-			}
-		} else {
-			switch (token) {
-				/* Colon-seperated hexadecimal octets... */
-			      case UID:
-				seenbit = 8;
-				lease.uid_len = 0;
-				token = peek_token (&val, cfile);
-				if (token == STRING) {
-					token = next_token (&val, cfile);
-					lease.uid_len = strlen (val) + 1;
-					s = val;
-				} else {
-					parse_numeric_aggregate
-						(cfile, bc, ubuf,
-						 &lease.uid_len, ':', 16, 8);
-					s = ubuf;
-					if (lease.uid_len == 0) {
-						parse_warn ("zero-length uid");
-						seenbit = 0;
-						break;
-					}
-				}
-				lease.uid = (unsigned char *)
-					malloc (lease.uid_len);
-				if (!lease.uid) {
-					error ("No memory for lease uid");
-				}
-				memcpy (lease.uid, s, lease.uid_len);
-				break;
-
-#if 0
-			      case HOST:
-				seenbit = 16;
-				token = next_token (&val, cfile);
-				if (!is_identifier (token)) {
-					if (token != SEMI)
-						skip_to_semi (cfile);
-					longjmp (jdref (bc), 1);
-				}
-				lease.host =
-					find_host_by_name (val);
-				if (!lease.host)
-					parse_warn ("lease host ``%s'' is %s",
-						    val,
-						    "no longer known.");
-				break;
-#endif
-					
-			      case CLASS:
-				seenbit = 32;
-				token = next_token (&val, cfile);
-				if (!is_identifier (token)) {
-					if (token != SEMI)
-						skip_to_semi (cfile);
-					longjmp (jdref (bc), 1);
-				}
-				/* for now, we aren't using this. */
-				break;
-
-			      case HARDWARE:
-				seenbit = 64;
-				lease.hardware_addr
-					= parse_hardware_addr (cfile, bc);
-				break;
-
-			      case DYNAMIC_BOOTP:
-				seenbit = 128;
-				lease.flags |= BOOTP_LEASE;
-				break;
-
-			      default:
-				if (token != SEMI)
-					skip_to_semi (cfile);
-				longjmp (jdref (bc), 1);
-			}
-		}
-		if (seenmask & seenbit) {
-			parse_warn ("Too many %s declarations in lease %s\n",
-				    tbuf, piaddr (lease.ip_addr));
-		} else
-			seenmask |= seenbit;
-	} while (1);
-	return &lease;
-}
-
-/* address_range :== RANGE ip_address ip_address |
-		     RANGE dynamic_bootp_statement ip_address ip_address */
-
-void parse_address_range (cfile, bc, subnet)
-	FILE *cfile;
-	jbp_decl (bc);
-	struct subnet *subnet;
-{
-	struct iaddr low, high;
-	unsigned char addr [4];
-	int len = sizeof addr;
-	int token;
-	char *val;
-	int dynamic = 0;
-
-	if ((token = peek_token (&val, cfile)) == DYNAMIC_BOOTP) {
-		token = next_token (&val, cfile);
-		subnet -> dynamic_bootp = dynamic = 1;
-	}
-
-	/* Get the bottom address in the range... */
-	parse_numeric_aggregate (cfile, bc, addr, &len, DOT, 10, 8);
-	memcpy (low.iabuf, addr, len);
-	low.len = len;
-
-	/* Get the top address in the range... */
-	parse_numeric_aggregate (cfile, bc, addr, &len, DOT, 10, 8);
-	memcpy (high.iabuf, addr, len);
-	high.len = len;
-
-	/* Create the new address range... */
-	new_address_range (low, high, subnet, dynamic);
-}
-
-/* date :== NUMBER NUMBER/NUMBER/NUMBER NUMBER:NUMBER:NUMBER
-
-   Dates are always in GMT; first number is day of week; next is
-   year/month/day; next is hours:minutes:seconds on a 24-hour
-   clock. */
-
-TIME parse_date (cfile, bc)
-	FILE *cfile;
-	jbp_decl (bc);
-{
-	TIME t;
-	struct tm tm;
-	char *val;
-	int token;
-
-	/* Day of week... */
-	token = next_token (&val, cfile);
-	if (token != NUMBER) {
-		parse_warn ("numeric day of week expected.");
-		if (token != SEMI)
-			skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	tm.tm_wday = atoi (val);
-
-	/* Year... */
-	token = next_token (&val, cfile);
-	if (token != NUMBER) {
-		parse_warn ("numeric year expected.");
-		if (token != SEMI)
-			skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	tm.tm_year = atoi (val);
-	if (tm.tm_year > 1900)
-		tm.tm_year -= 1900;
-
-	/* Slash seperating year from month... */
-	token = next_token (&val, cfile);
-	if (token != SLASH) {
-		parse_warn ("expected slash seperating year from month.");
-		if (token != SEMI)
-			skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-
-	/* Month... */
-	token = next_token (&val, cfile);
-	if (token != NUMBER) {
-		parse_warn ("numeric month expected.");
-		if (token != SEMI)
-			skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	tm.tm_mon = atoi (val) - 1;
-
-	/* Slash seperating month from day... */
-	token = next_token (&val, cfile);
-	if (token != SLASH) {
-		parse_warn ("expected slash seperating month from day.");
-		if (token != SEMI)
-			skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-
-	/* Month... */
-	token = next_token (&val, cfile);
-	if (token != NUMBER) {
-		parse_warn ("numeric day of month expected.");
-		if (token != SEMI)
-			skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	tm.tm_mday = atoi (val);
-
-	/* Hour... */
-	token = next_token (&val, cfile);
-	if (token != NUMBER) {
-		parse_warn ("numeric hour expected.");
-		if (token != SEMI)
-			skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	tm.tm_hour = atoi (val);
-
-	/* Colon seperating hour from minute... */
-	token = next_token (&val, cfile);
-	if (token != COLON) {
-		parse_warn ("expected colon seperating hour from minute.");
-		if (token != SEMI)
-			skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-
-	/* Minute... */
-	token = next_token (&val, cfile);
-	if (token != NUMBER) {
-		parse_warn ("numeric minute expected.");
-		if (token != SEMI)
-			skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	tm.tm_min = atoi (val);
-
-	/* Colon seperating minute from second... */
-	token = next_token (&val, cfile);
-	if (token != COLON) {
-		parse_warn ("expected colon seperating hour from minute.");
-		if (token != SEMI)
-			skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-
-	/* Minute... */
-	token = next_token (&val, cfile);
-	if (token != NUMBER) {
-		parse_warn ("numeric minute expected.");
-		if (token != SEMI)
-			skip_to_semi (cfile);
-		longjmp (jdref (bc), 1);
-	}
-	tm.tm_sec = atoi (val);
-	tm.tm_isdst = 0;
-
-	/* XXX */ /* We assume that mktime does not use tm_yday. */
-	tm.tm_yday = 0;
-
-	return mktime (&tm);
-}
-
-/* No BNF for numeric aggregates - that's defined by the caller.  What
-   this function does is to parse a sequence of numbers seperated by
-   the token specified in seperator.  If max is zero, any number of
-   numbers will be parsed; otherwise, exactly max numbers are
-   expected.  Base and size tell us how to internalize the numbers
-   once they've been tokenized. */
-
-unsigned char *parse_numeric_aggregate (cfile, bc, buf,
-					max, seperator, base, size)
-	FILE *cfile;
-	jbp_decl (bc);
-	unsigned char *buf;
-	int *max;
-	int seperator;
-	int base;
-	int size;
-{
-	char *val;
-	int token;
-	unsigned char *bufp = buf, *s, *t;
-	int count = 0;
-	pair c = (pair)0;
-
-	if (!bufp && *max) {
-		bufp = (unsigned char *)malloc (*max * size / 8);
-		if (!bufp)
-			error ("can't allocate space for numeric aggregate");
-	} else
-		s = bufp;
-
-	do {
-		if (count) {
-			token = peek_token (&val, cfile);
-			if (token != seperator) {
-				if (!*max)
-					break;
-				parse_warn ("too few numbers.");
-				skip_to_semi (cfile);
-				longjmp (jdref (bc), 1);
-			}
-			token = next_token (&val, cfile);
-		}
-		token = next_token (&val, cfile);
-		/* Allow NUMBER_OR_ATOM if base is 16. */
-		if (token != NUMBER &&
-		    (base != 16 || token != NUMBER_OR_ATOM)) {
-			parse_warn ("expecting numeric value.");
-			skip_to_semi (cfile);
-			longjmp (jdref (bc), 1);
-		}
-		/* If we can, convert the number now; otherwise, build
-		   a linked list of all the numbers. */
-		if (s) {
-			convert_num (s, val, base, size);
-			s += size / 8;
-		} else {
-			t = (unsigned char *)malloc (strlen (val) + 1);
-			if (!t)
-				error ("no temp space for number.");
-			strcpy (t, val);
-			c = cons (t, c);
-		}
-	} while (++count != *max);
-
-	/* If we had to cons up a list, convert it now. */
-	if (c) {
-		bufp = (unsigned char *)malloc (count * size / 8);
-		if (!bufp)
-			error ("can't allocate space for numeric aggregate.");
-		s = bufp;
-		*max = count;
-	}
-	while (c) {
-		pair cdr = c -> cdr;
-		convert_num (s, (char *)(c -> car), base, size);
-		s += size / 8;
-		/* Free up temp space. */
-		free (c -> car);
-		free (c);
-		c = cdr;
-	}
-	return bufp;
-}
-
-void convert_num (buf, str, base, size)
-	unsigned char *buf;
-	char *str;
-	int base;
-	int size;
-{
-	char *ptr = str;
-	int negative = 0;
-	u_int32_t val = 0;
-	int tval;
-	int max;
-
-	if (*ptr == '-') {
-		negative = 1;
-		++ptr;
-	}
-
-	/* If base wasn't specified, figure it out from the data. */
-	if (!base) {
-		if (ptr [0] == '0') {
-			if (ptr [1] == 'x') {
-				base = 16;
-				ptr += 2;
-			} else if (isascii (ptr [1]) && isdigit (ptr [1])) {
-				base = 8;
-				ptr += 1;
-			} else {
-				base = 10;
-			}
-		} else {
-			base = 10;
-		}
-	}
-
-	do {
-		tval = *ptr++;
-		/* XXX assumes ASCII... */
-		if (tval >= 'a')
-			tval = tval - 'a' + 10;
-		else if (tval >= 'A')
-			tval = tval - 'A' + 10;
-		else if (tval >= '0')
-			tval -= '0';
-		else {
-			warn ("Bogus number: %s.", str);
-			break;
-		}
-		if (tval >= base) {
-			warn ("Bogus number: %s: digit %d not in base %d\n",
-			      str, tval, base);
-			break;
-		}
-		val = val * base + tval;
-	} while (*ptr);
-
-	if (negative)
-		max = (1 << (size - 1));
-	else
-		max = (1 << (size - 1)) + ((1 << (size - 1)) - 1);
-	if (val > max) {
-		switch (base) {
-		      case 8:
-			warn ("value %s%lo exceeds max (%d) for precision.",
-			      negative ? "-" : "", val, max);
-			break;
-		      case 16:
-			warn ("value %s%lx exceeds max (%d) for precision.",
-			      negative ? "-" : "", val, max);
-			break;
-		      default:
-			warn ("value %s%ld exceeds max (%d) for precision.",
-			      negative ? "-" : "", val, max);
-			break;
-		}
-	}
-
-	if (negative) {
-		switch (size) {
-		      case 8:
-			*buf = -(unsigned long)val;
-			break;
-		      case 16:
-			putShort (buf, -(unsigned long)val);
-			break;
-		      case 32:
-			putLong (buf, -(unsigned long)val);
-			break;
-		      default:
-			warn ("Unexpected integer size: %d\n");
-			break;
-		}
-	} else {
-		switch (size) {
-		      case 8:
-			*buf = (u_int8_t)val;
-			break;
-		      case 16:
-			putUShort (buf, (u_int16_t)val);
-			break;
-		      case 32:
-			putULong (buf, val);
-			break;
-		      default:
-			warn ("Unexpected integer size: %d\n");
-			break;
-		}
-	}
-}
diff --git a/server/db.c b/server/db.c
deleted file mode 100644
index eb70e677..00000000
--- a/server/db.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/* db.c
-
-   Persistent database management routines for DHCPD... */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-FILE *db_file;
-
-/* Write the specified lease to the current lease database file. */
-
-int write_lease (lease)
-	struct lease *lease;
-{
-	struct tm *t;
-	char tbuf [64];
-
-	errno = 0;
-	fprintf (db_file, "lease %s\n", piaddr (lease -> ip_addr));
-
-	t = gmtime (&lease -> starts);
-	strftime (tbuf, sizeof tbuf, "%w %Y/%m/%d %H:%M:%S", t);
-	fprintf (db_file, "\tstarts %s\n", tbuf);
-
-	t = gmtime (&lease -> ends);
-	strftime (tbuf, sizeof tbuf, "%w %Y/%m/%d %H:%M:%S", t);
-	fprintf (db_file, "\tends %s", tbuf);
-
-	if (lease -> hardware_addr.hlen) {
-		fprintf (db_file, "\n\thardware %s %s",
-			 hardware_types [lease -> hardware_addr.htype],
-			 print_hw_addr (lease -> hardware_addr.htype,
-					lease -> hardware_addr.hlen,
-					lease -> hardware_addr.haddr));
-	}
-	if (lease -> uid_len) {
-		int i;
-		fprintf (db_file, "\n\tuid %x", lease -> uid [0]);
-		for (i = 1; i < lease -> uid_len; i++)
-			fprintf (db_file, ":%x", lease -> uid [i]);
-	}
-	if (lease -> flags & BOOTP_LEASE)
-		fprintf (db_file, "\n\tdynamic-bootp");
-	fputs (";\n", db_file);
-	return !errno;
-}
-
-/* Commit any leases that have been written out... */
-
-int commit_leases ()
-{
-	if (fflush (db_file) == EOF)
-		return 0;
-	if (fsync (fileno (db_file)) < 0)
-		return 0;
-	return 1;
-}
-
-void db_startup ()
-{
-	/* Read in the existing lease file... */
-	read_leases ();
-
-	new_lease_file ();
-}
-
-void new_lease_file ()
-{
-	char newfname [512];
-	char backfname [512];
-	TIME t;
-
-	/* If we already have an open database, close it. */
-	if (db_file) {
-		fclose (db_file);
-	}
-
-	/* Make a temporary lease file... */
-	time (&t);
-	sprintf (newfname, "%s.%d", _PATH_DHCPD_DB, (int) (t & 32767));
-	if ((db_file = fopen (newfname, "w")) == NULL) {
-		error ("Can't start new lease file: %m");
-	}
-
-	/* Write out all the leases that we know of... */
-	write_leases ();
-
-	/* Get the old database out of the way... */
-	sprintf (backfname, "%s~", _PATH_DHCPD_DB);
-	unlink (backfname);
-	link (_PATH_DHCPD_DB, backfname);
-	
-	/* Move in the new file... */
-	rename (newfname, _PATH_DHCPD_DB);
-}
diff --git a/server/dhcp.c b/server/dhcp.c
deleted file mode 100644
index 4a4e1300..00000000
--- a/server/dhcp.c
+++ /dev/null
@@ -1,934 +0,0 @@
-/* dhcp.c
-
-   DHCP Protocol engine. */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-static unsigned char dhcp_message [256];
-
-void dhcp (packet)
-	struct packet *packet;
-{
-	if (!locate_network (packet))
-		return;
-
-	switch (packet -> packet_type) {
-	      case DHCPDISCOVER:
-		dhcpdiscover (packet);
-		break;
-
-	      case DHCPREQUEST:
-		dhcprequest (packet);
-		break;
-
-	      case DHCPRELEASE:
-		dhcprelease (packet);
-		break;
-
-	      case DHCPDECLINE:
-		dhcpdecline (packet);
-		break;
-
-	      case DHCPINFORM:
-		dhcpinform (packet);
-		break;
-
-	      default:
-		break;
-	}
-}
-
-void dhcpdiscover (packet)
-	struct packet *packet;
-{
-	struct lease *lease = find_lease (packet);
-	struct host_decl *hp;
-
-	note ("DHCPDISCOVER from %s",
-	      print_hw_addr (packet -> raw -> htype,
-			     packet -> raw -> hlen,
-			     packet -> raw -> chaddr));
-
-	/* If we didn't find a lease, try to allocate one... */
-	if (!lease) {
-		lease = packet -> shared_network -> last_lease;
-
-		/* If there are no leases in that subnet that have
-		   expired, we have nothing to offer this client. */
-		if (lease -> ends > cur_time) {
-			note ("no free leases on subnet %s",
-			      packet -> shared_network -> name);
-			return;
-		}
-
-		/* Try to find a host_decl that matches the client
-		   identifier or hardware address on the packet, and
-		   has no fixed IP address.   If there is one, hang
-		   it off the lease so that its option definitions
-		   can be used. */
-		if (((packet -> options [DHO_DHCP_CLIENT_IDENTIFIER].len
-		      != 0) &&
-		     ((hp = find_hosts_by_uid
-		       (packet -> options [DHO_DHCP_CLIENT_IDENTIFIER].data,
-			packet -> options [DHO_DHCP_CLIENT_IDENTIFIER].len))
-		      != (struct host_decl *)0)) ||
-		    ((hp = find_hosts_by_haddr (packet -> raw -> htype,
-						packet -> raw -> chaddr,
-						packet -> raw -> hlen))
-		     != (struct host_decl *)0)) {
-			for (; hp; hp = hp -> n_ipaddr) {
-				if (!hp -> fixed_addr) {
-					lease -> host = hp;
-					break;
-				}
-			}
-		} else {
-			lease -> host = (struct host_decl *)0;
-		}
-	}
-
-	ack_lease (packet, lease, DHCPOFFER, cur_time + 120);
-}
-
-void dhcprequest (packet)
-	struct packet *packet;
-{
-	struct lease *lease = find_lease (packet);
-	struct iaddr cip;
-	struct subnet *subnet;
-	struct lease *ip_lease;
-
-	if (packet -> options [DHO_DHCP_REQUESTED_ADDRESS].len) {
-		cip.len = 4;
-		memcpy (cip.iabuf,
-			packet -> options [DHO_DHCP_REQUESTED_ADDRESS].data,
-			4);
-	} else {
-		cip.len = 4;
-		memcpy (cip.iabuf, &packet -> raw -> ciaddr.s_addr, 4);
-	}
-
-	note ("DHCPREQUEST for %s from %s",
-	      piaddr (cip),
-	      print_hw_addr (packet -> raw -> htype,
-			     packet -> raw -> hlen,
-			     packet -> raw -> chaddr));
-
-	/* If a client on our local network wants to renew a lease on
-	   an address off our local network, NAK it. */
-	if (packet -> options [DHO_DHCP_REQUESTED_ADDRESS].len) {
-		subnet = find_grouped_subnet (packet -> shared_network, cip);
-		if (!subnet) {
-			nak_lease (packet, &cip);
-			return;
-		}
-	} else if (packet -> raw -> ciaddr.s_addr) {
-		subnet = find_grouped_subnet (packet -> shared_network, cip);
-		if (!subnet) {
-			nak_lease (packet, &cip);
-			return;
-		}
-	}
-
-	/* Look for server identifier... */
-	if (packet -> options [DHO_DHCP_SERVER_IDENTIFIER].len) {
-		/* If we own the lease that the client is asking for,
-		   and it's already been assigned to the client,
-		   ack it regardless. */
-		if ((lease -> uid_len && lease -> uid_len == 
-		     packet -> options [DHO_DHCP_CLIENT_IDENTIFIER].len &&
-		     !memcmp (packet -> options
-			      [DHO_DHCP_CLIENT_IDENTIFIER].data,
-			      lease -> uid, lease -> uid_len)) ||
-		    (lease -> hardware_addr.hlen == packet -> raw -> hlen &&
-		     lease -> hardware_addr.htype == packet -> raw -> htype &&
-		     !memcmp (lease -> hardware_addr.haddr,
-			      packet -> raw -> chaddr,
-			      packet -> raw -> hlen))) {
-			ack_lease (packet, lease, DHCPACK, 0);
-			return;
-		}
-		
-		/* Otherwise, if we have a lease for this client,
-		   release it, and in any case don't reply to the
-		   DHCPREQUEST. */
-		if (memcmp (packet ->
-			    options [DHO_DHCP_SERVER_IDENTIFIER].data,
-			    server_identifier.iabuf,  server_identifier.len)) {
-			if (lease)
-				release_lease (lease);
-			return;
-		}
-	} else {
-		return;
-	}
-
-	/* If we didn't find a lease, don't try to allocate one... */
-	if (!lease) {
-		nak_lease (packet, &cip);
-		return;
-	}
-
-	ack_lease (packet, lease, DHCPACK, 0);
-}
-
-void dhcprelease (packet)
-	struct packet *packet;
-{
-	struct lease *lease = find_lease (packet);
-
-	note ("DHCPRELEASE of %s from %s",
-	      inet_ntoa (packet -> raw -> ciaddr),
-	      print_hw_addr (packet -> raw -> htype,
-			     packet -> raw -> hlen,
-			     packet -> raw -> chaddr));
-
-	/* If we found a lease, release it. */
-	if (lease) {
-		release_lease (lease);
-	}
-}
-
-void dhcpdecline (packet)
-	struct packet *packet;
-{
-	struct lease *lease = find_lease (packet);
-	struct iaddr cip;
-
-	if (packet -> options [DHO_DHCP_REQUESTED_ADDRESS].len) {
-		cip.len = 4;
-		memcpy (cip.iabuf,
-			packet -> options [DHO_DHCP_REQUESTED_ADDRESS].data,
-			4);
-	} else {
-		cip.len = 0;
-	}
-
-	note ("DHCPDECLINE on %s from %s",
-	      piaddr (cip),
-	      print_hw_addr (packet -> raw -> htype,
-			     packet -> raw -> hlen,
-			     packet -> raw -> chaddr));
-
-	/* If we found a lease, mark it as unusable and complain. */
-	if (lease) {
-		abandon_lease (lease);
-	}
-}
-
-void dhcpinform (packet)
-	struct packet *packet;
-{
-	note ("DHCPINFORM from %s",
-	      inet_ntoa (packet -> raw -> ciaddr));
-
-}
-
-void nak_lease (packet, cip)
-	struct packet *packet;
-	struct iaddr *cip;
-{
-	struct sockaddr_in to;
-	int result;
-	struct dhcp_packet raw;
-	unsigned char nak = DHCPNAK;
-	struct packet outgoing;
-	struct hardware hto;
-
-	struct tree_cache *options [256];
-	struct tree_cache dhcpnak_tree;
-	struct tree_cache dhcpmsg_tree;
-
-	memset (options, 0, sizeof options);
-	memset (&outgoing, 0, sizeof outgoing);
-	memset (&raw, 0, sizeof raw);
-	outgoing.raw = &raw;
-
-	/* Set DHCP_MESSAGE_TYPE to DHCPNAK */
-	options [DHO_DHCP_MESSAGE_TYPE] = &dhcpnak_tree;
-	options [DHO_DHCP_MESSAGE_TYPE] -> value = &nak;
-	options [DHO_DHCP_MESSAGE_TYPE] -> len = sizeof nak;
-	options [DHO_DHCP_MESSAGE_TYPE] -> buf_size = sizeof nak;
-	options [DHO_DHCP_MESSAGE_TYPE] -> timeout = 0xFFFFFFFF;
-	options [DHO_DHCP_MESSAGE_TYPE] -> tree = (struct tree *)0;
-
-	/* Set DHCP_MESSAGE to whatever the message is */
-	options [DHO_DHCP_MESSAGE] = &dhcpmsg_tree;
-	options [DHO_DHCP_MESSAGE] -> value = dhcp_message;
-	options [DHO_DHCP_MESSAGE] -> len = strlen (dhcp_message);
-	options [DHO_DHCP_MESSAGE] -> buf_size = strlen (dhcp_message);
-	options [DHO_DHCP_MESSAGE] -> timeout = 0xFFFFFFFF;
-	options [DHO_DHCP_MESSAGE] -> tree = (struct tree *)0;
-
-	/* Do not use the client's requested parameter list. */
-	packet -> options [DHO_DHCP_PARAMETER_REQUEST_LIST].len = 0;
-	packet -> options [DHO_DHCP_PARAMETER_REQUEST_LIST].data =
-		(unsigned char *)0;
-
-	/* Set up the option buffer... */
-	cons_options (packet, &outgoing, options, 0);
-
-/*	memset (&raw.ciaddr, 0, sizeof raw.ciaddr);*/
-	memcpy (&raw.siaddr, server_identifier.iabuf, 4);
-	raw.giaddr = packet -> raw -> giaddr;
-	memcpy (raw.chaddr, packet -> raw -> chaddr, sizeof raw.chaddr);
-	raw.hlen = packet -> raw -> hlen;
-	raw.htype = packet -> raw -> htype;
-
-	raw.xid = packet -> raw -> xid;
-	raw.secs = packet -> raw -> secs;
-	raw.flags = packet -> raw -> flags | htons (BOOTP_BROADCAST);
-	raw.hops = packet -> raw -> hops;
-	raw.op = BOOTREPLY;
-
-	/* Report what we're sending... */
-	note ("DHCPNAK on %s to %s",
-	      piaddr (*cip),
-	      print_hw_addr (packet -> raw -> htype,
-			     packet -> raw -> hlen,
-			     packet -> raw -> chaddr));
-
-#ifdef DEBUG_PACKET
-	dump_packet (packet);
-	dump_raw ((unsigned char *)packet -> raw, packet -> packet_length);
-	dump_packet (&outgoing);
-	dump_raw ((unsigned char *)&raw, outgoing.packet_length);
-#endif
-
-	hto.htype = packet -> raw -> htype;
-	hto.hlen = packet -> raw -> hlen;
-	memcpy (hto.haddr, packet -> raw -> chaddr, hto.hlen);
-
-	/* Set up the common stuff... */
-	to.sin_family = AF_INET;
-#ifdef HAVE_SA_LEN
-	to.sin_len = sizeof to;
-#endif
-	memset (to.sin_zero, 0, sizeof to.sin_zero);
-
-	/* If this was gatewayed, send it back to the gateway.
-	   Otherwise, broadcast it on the local network. */
-	if (raw.giaddr.s_addr) {
-		to.sin_addr = raw.giaddr;
-		to.sin_port = server_port;
-
-#ifdef USE_FALLBACK
-		result = send_fallback (&fallback_interface,
-					packet, &raw, outgoing.packet_length,
-					raw.siaddr, &to, &hto);
-		if (result < 0)
-			warn ("send_fallback: %m");
-		return;
-#endif
-	} else {
-		to.sin_addr.s_addr = htonl (INADDR_BROADCAST);
-		to.sin_port = packet->client_port;
-	}
-
-	errno = 0;
-	result = send_packet (packet -> interface,
-			      packet, &raw, outgoing.packet_length,
-			      raw.siaddr, &to, (struct hardware *)0);
-	if (result < 0)
-		warn ("send_packet: %m");
-}
-
-void ack_lease (packet, lease, offer, when)
-	struct packet *packet;
-	struct lease *lease;
-	unsigned char offer;
-	TIME when;
-{
-	struct lease lt;
-	TIME lease_time;
-
-	int bufs = 0;
-	struct packet outgoing;
-	struct dhcp_packet raw;
-	struct tree_cache *options [256];
-	struct sockaddr_in to;
-	struct hardware hto;
-	int result;
-
-	struct tree_cache dhcpoffer_tree;
-	unsigned char lease_time_buf [4];
-	struct tree_cache lease_time_tree;
-	struct tree_cache server_id_tree;
-	struct tree_cache vendor_class_tree;
-	struct tree_cache user_class_tree;
-
-	struct class *vendor_class, *user_class;
-	char *filename;
-	char *server_name;
-	int i;
-
-	if (packet -> options [DHO_DHCP_CLASS_IDENTIFIER].len) {
-		vendor_class =
-			find_class (0,
-				    packet ->
-				    options [DHO_DHCP_CLASS_IDENTIFIER].data,
-				    packet ->
-				    options [DHO_DHCP_CLASS_IDENTIFIER].len);
-	} else {
-		vendor_class = (struct class *)0;
-	}
-
-	if (packet -> options [DHO_DHCP_USER_CLASS_ID].len) {
-		user_class =
-			find_class (0,
-				    packet ->
-				    options [DHO_DHCP_USER_CLASS_ID].data,
-				    packet ->
-				    options [DHO_DHCP_USER_CLASS_ID].len);
-	} else {
-		user_class = (struct class *)0;
-	}
-
-	/* Choose a filename; first from the host_decl, if any, then from
-	   the user class, then from the vendor class. */
-	if (lease -> host && lease -> host -> filename)
-		filename = lease -> host -> filename;
-	else if (user_class && user_class -> filename)
-		filename = user_class -> filename;
-	else if (vendor_class  && vendor_class -> filename)
-		filename = vendor_class -> filename;
-	else filename = (char *)0;
-
-	/* Choose a server name as above. */
-	if (lease -> host && lease -> host -> server_name)
-		server_name = lease -> host -> server_name;
-	else if (user_class && user_class -> server_name)
-		server_name = user_class -> server_name;
-	else if (vendor_class  && vendor_class -> server_name)
-		server_name = vendor_class -> server_name;
-	else server_name = (char *)0;
-
-	/* At this point, we have a lease that we can offer the client.
-	   Now we construct a lease structure that contains what we want,
-	   and call supersede_lease to do the right thing with it. */
-
-	memset (&lt, 0, sizeof lt);
-
-	/* Use the ip address of the lease that we finally found in
-	   the database. */
-	lt.ip_addr = lease -> ip_addr;
-
-	/* Start now. */
-	lt.starts = cur_time;
-
-	/* Figure out how long a lease to assign.    If this is a
-	   dynamic BOOTP lease, its duration must be infinite. */
-	if (offer) {
-		if (packet -> options [DHO_DHCP_LEASE_TIME].len == 4) {
-			lease_time = getULong
-				(packet -> options [DHO_DHCP_LEASE_TIME].data);
-			
-			/* Don't let the client ask for a longer lease than
-			   is supported for this subnet or host. */
-			if (lease -> host && lease -> host -> max_lease_time) {
-				if (lease_time >
-				    lease -> host -> max_lease_time)
-					lease_time = (lease -> host ->
-						      max_lease_time);
-			} else {
-				if (lease_time >
-				    lease -> subnet -> max_lease_time)
-					lease_time = (lease -> subnet ->
-						      max_lease_time);
-			}
-		} else {
-			if (lease -> host
-			    && lease -> host -> default_lease_time)
-				lease_time = (lease -> host ->
-					      default_lease_time);
-			else
-				lease_time = (lease -> subnet ->
-					      default_lease_time);
-		}
-		
-		lt.offered_expiry = cur_time + lease_time;
-		if (when)
-			lt.ends = when;
-		else
-			lt.ends = lt.offered_expiry;
-	} else {
-		lt.offered_expiry = lt.ends = MAX_TIME;
-		lt.flags = BOOTP_LEASE;
-	}
-
-	lt.timestamp = cur_time;
-
-	/* Record the uid, if given... */
-	if (packet -> options [DHO_DHCP_CLIENT_IDENTIFIER].len) {
-		lt.uid_len =
-			packet -> options [DHO_DHCP_CLIENT_IDENTIFIER].len;
-		lt.uid = packet -> options [DHO_DHCP_CLIENT_IDENTIFIER].data;
-		packet -> options [DHO_DHCP_CLIENT_IDENTIFIER].data =
-			(unsigned char *)0;
-		packet -> options [DHO_DHCP_CLIENT_IDENTIFIER].len = 0;
-	}
-
-	/* Record the hardware address, if given... */
-	lt.hardware_addr.hlen = packet -> raw -> hlen;
-	lt.hardware_addr.htype = packet -> raw -> htype;
-	memcpy (lt.hardware_addr.haddr, packet -> raw -> chaddr,
-		packet -> raw -> hlen);
-
-	lt.host = lease -> host;
-	lt.subnet = lease -> subnet;
-	lt.shared_network = lease -> shared_network;
-
-	/* Record the transaction id... */
-	lt.xid = packet -> raw -> xid;
-
-	/* Don't call supersede_lease on a mocked-up lease. */
-	if (lease -> flags & STATIC_LEASE)
-		;
-	else
-	/* Install the new information about this lease in the database.
-	   If this is a DHCPACK or a dynamic BOOTREPLY and we can't write
-	   the lease, don't ACK it (or BOOTREPLY it) either. */
-		if (!(supersede_lease (lease, &lt, !offer || offer == DHCPACK)
-		      || (offer && offer != DHCPACK)))
-			return;
-
-	/* Send a response to the client... */
-
-	memset (&outgoing, 0, sizeof outgoing);
-	memset (&raw, 0, sizeof raw);
-	outgoing.raw = &raw;
-
-	/* Copy in the filename if given; otherwise, flag the filename
-	   buffer as available for options. */
-	if (filename)
-		strncpy (raw.file, filename, sizeof raw.file);
-	else
-		bufs |= 1;
-
-	/* Copy in the server name if given; otherwise, flag the
-	   server_name buffer as available for options. */
-	if (server_name)
-		strncpy (raw.sname, server_name, sizeof raw.sname);
-	else
-		bufs |= 2; /* XXX */
-
-	memcpy (raw.chaddr, packet -> raw -> chaddr, packet -> raw -> hlen);
-	raw.hlen = packet -> raw -> hlen;
-	raw.htype = packet -> raw -> htype;
-
-	/* Start out with the subnet options... */
-	memcpy (options, lease -> subnet -> options, sizeof options);
-
-	/* Vendor and user classes are only supported for DHCP clients. */
-	if (offer) {
-		/* If we have a vendor class, install those options,
-		   superseding any subnet options. */
-		if (vendor_class) {
-			for (i = 0; i < 256; i++)
-				if (vendor_class -> options [i])
-					options [i] =
-						vendor_class -> options [i];
-		}
-
-		/* If we have a user class, install those options,
-		   superseding any subnet and vendor class options. */
-		if (user_class) {
-			for (i = 0; i < 256; i++)
-				if (user_class -> options [i])
-					options [i] =
-						user_class -> options [i];
-		}
-
-	}
-
-	/* If we have a host_decl structure, install the associated
-	   options, superseding anything that's in the way. */
-	if (lease -> host) {
-		for (i = 0; i < 256; i++)
-			if (lease -> host -> options [i])
-				options [i] = lease -> host -> options [i];
-	}
-
-	/* Now, if appropriate, put in DHCP-specific options that
-           override those. */
-	if (offer) {
-		options [DHO_DHCP_MESSAGE_TYPE] = &dhcpoffer_tree;
-		options [DHO_DHCP_MESSAGE_TYPE] -> value = &offer;
-		options [DHO_DHCP_MESSAGE_TYPE] -> len = sizeof offer;
-		options [DHO_DHCP_MESSAGE_TYPE] -> buf_size = sizeof offer;
-		options [DHO_DHCP_MESSAGE_TYPE] -> timeout = 0xFFFFFFFF;
-		options [DHO_DHCP_MESSAGE_TYPE] -> tree = (struct tree *)0;
-
-		options [DHO_DHCP_SERVER_IDENTIFIER] = &server_id_tree;
-		options [DHO_DHCP_SERVER_IDENTIFIER] ->
-			value = server_identifier.iabuf;
-		options [DHO_DHCP_SERVER_IDENTIFIER] ->
-			len = server_identifier.len;
-		options [DHO_DHCP_SERVER_IDENTIFIER] ->
-			buf_size = server_identifier.len;
-		options [DHO_DHCP_SERVER_IDENTIFIER] ->
-			timeout = 0xFFFFFFFF;
-		options [DHO_DHCP_SERVER_IDENTIFIER] ->
-			tree = (struct tree *)0;
-
-		/* Sanity check the lease time. */
-		if ((lease->offered_expiry - cur_time) < 0)
-			putULong (lease_time_buf,
-				  lease -> subnet -> default_lease_time);
-		else if (lease -> offered_expiry - cur_time >
-			 lease -> subnet -> max_lease_time) 
-			putULong (lease_time_buf,
-				  lease -> subnet -> max_lease_time);
-		else 
-			putULong (lease_time_buf,
-				  lease -> offered_expiry - cur_time);
-
-		putULong (lease_time_buf, lease -> offered_expiry - cur_time);
-		options [DHO_DHCP_LEASE_TIME] = &lease_time_tree;
-		options [DHO_DHCP_LEASE_TIME] -> value = lease_time_buf;
-		options [DHO_DHCP_LEASE_TIME] -> len = sizeof lease_time_buf;
-		options [DHO_DHCP_LEASE_TIME] ->
-			buf_size = sizeof lease_time_buf;
-		options [DHO_DHCP_LEASE_TIME] -> timeout = 0xFFFFFFFF;
-		options [DHO_DHCP_LEASE_TIME] -> tree = (struct tree *)0;
-
-		/* If we used the vendor class the client specified, we
-		   have to return it. */
-		if (vendor_class) {
-			options [DHO_DHCP_CLASS_IDENTIFIER] =
-				&vendor_class_tree;
-			options [DHO_DHCP_CLASS_IDENTIFIER] ->
-				value = (unsigned char *)vendor_class -> name;
-			options [DHO_DHCP_CLASS_IDENTIFIER] ->
-				len = strlen (vendor_class -> name);
-			options [DHO_DHCP_CLASS_IDENTIFIER] ->
-				buf_size = strlen (vendor_class -> name);
-			options [DHO_DHCP_CLASS_IDENTIFIER] ->
-				timeout = 0xFFFFFFFF;
-			options [DHO_DHCP_CLASS_IDENTIFIER] ->
-				tree = (struct tree *)0;
-		}
-
-		/* If we used the user class the client specified, we
-		   have to return it. */
-		if (user_class) {
-			options [DHO_DHCP_USER_CLASS_ID] = &user_class_tree;
-			options [DHO_DHCP_USER_CLASS_ID] ->
-				value = (unsigned char *)user_class -> name;
-			options [DHO_DHCP_USER_CLASS_ID] ->
-				len = strlen (user_class -> name);
-			options [DHO_DHCP_USER_CLASS_ID] ->
-				buf_size = strlen (user_class -> name);
-			options [DHO_DHCP_USER_CLASS_ID] ->
-				timeout = 0xFFFFFFFF;
-			options [DHO_DHCP_USER_CLASS_ID] ->
-				tree = (struct tree *)0;
-		}
-	}
-
-	cons_options (packet, &outgoing, options, bufs);
-
-	raw.ciaddr = packet -> raw -> ciaddr;
-	memcpy (&raw.yiaddr, lease -> ip_addr.iabuf, 4);
-	if (lease -> subnet -> interface_address.len)
-		memcpy (&raw.siaddr,
-			lease -> subnet -> interface_address.iabuf, 4);
-	else
-		memcpy (&raw.siaddr, server_identifier.iabuf, 4);
-
-	raw.giaddr = packet -> raw -> giaddr;
-
-	raw.xid = packet -> raw -> xid;
-	raw.secs = packet -> raw -> secs;
-	raw.flags = packet -> raw -> flags;
-	raw.hops = packet -> raw -> hops;
-	raw.op = BOOTREPLY;
-
-	/* Say what we're doing... */
-	note ("%s on %s to %s",
-	      (offer
-	       ? (offer == DHCPACK ? "DHCPACK" : "DHCPOFFER")
-	       : "BOOTREPLY"),
-	      piaddr (lease -> ip_addr),
-	      print_hw_addr (packet -> raw -> htype,
-			     packet -> raw -> hlen,
-			     packet -> raw -> chaddr));
-
-	/* Set up the hardware address... */
-	hto.htype = packet -> raw -> htype;
-	hto.hlen = packet -> raw -> hlen;
-	memcpy (hto.haddr, packet -> raw -> chaddr, hto.hlen);
-
-	to.sin_family = AF_INET;
-#ifdef HAVE_SA_LEN
-	to.sin_len = sizeof to;
-#endif
-	memset (to.sin_zero, 0, sizeof to.sin_zero);
-
-#ifdef DEBUG_PACKET
-	dump_packet (packet);
-	dump_raw ((unsigned char *)packet -> raw, packet -> packet_length);
-	dump_packet (&outgoing);
-	dump_raw ((unsigned char *)&raw, outgoing.packet_length);
-#endif
-
-	/* If this was gatewayed, send it back to the gateway... */
-	if (raw.giaddr.s_addr) {
-		to.sin_addr = raw.giaddr;
-		to.sin_port = server_port;
-#ifdef USE_FALLBACK
-		result = send_fallback (&fallback_interface,
-					packet, &raw, outgoing.packet_length,
-					raw.siaddr, &to, &hto);
-		if (result < 0)
-			warn ("send_fallback: %m");
-		return;
-#endif
-
-	/* If it comes from a client who already knows its address,
-	   sent it directly to that client. */
-	} else if (raw.ciaddr.s_addr && offer == DHCPACK) {
-		to.sin_addr = packet -> raw -> ciaddr;
-		to.sin_port = htons (ntohs (server_port) + 1); /* XXX */
-
-	/* Otherwise, broadcast it on the local network. */
-	} else {
-		to.sin_addr.s_addr = htonl (INADDR_BROADCAST);
-		to.sin_port = htons (ntohs (server_port) + 1); /* XXX */
-	}
-
-
-	result = send_packet (packet -> interface,
-			      packet, &raw, outgoing.packet_length,
-			      raw.siaddr, &to, &hto);
-	if (result < 0)
-		warn ("sendpkt: %m");
-}
-
-struct lease *find_lease (packet)
-	struct packet *packet;
-{
-	struct lease *uid_lease, *ip_lease, *hw_lease;
-	struct lease *lease = (struct lease *)0;
-	struct iaddr cip;
-	struct host_decl *hp, *host = (struct host_decl *)0;
-	struct lease *fixed_lease;
-
-	/* Try to find a host or lease that's been assigned to the
-	   specified unique client identifier. */
-	if (packet -> options [DHO_DHCP_CLIENT_IDENTIFIER].len) {
-		/* First, try to find a fixed host entry for the specified
-		   client identifier... */
-		hp = find_hosts_by_uid (packet -> options
-					[DHO_DHCP_CLIENT_IDENTIFIER].data,
-					packet -> options
-					[DHO_DHCP_CLIENT_IDENTIFIER].len);
-		if (hp) {
-			host = hp;
-			fixed_lease = mockup_lease (packet, hp);
-		} else
-			uid_lease = find_lease_by_uid
-				(packet -> options
-				 [DHO_DHCP_CLIENT_IDENTIFIER].data,
-				 packet -> options
-				 [DHO_DHCP_CLIENT_IDENTIFIER].len);
-	} else {
-		uid_lease = (struct lease *)0;
-		fixed_lease = (struct lease *)0;
-	}
-
-	/* If we didn't find a fixed lease using the uid, try doing
-	   it with the hardware address... */
-	if (!fixed_lease) {
-		hp = find_hosts_by_haddr (packet -> raw -> htype,
-					  packet -> raw -> chaddr,
-					  packet -> raw -> hlen);
-		if (hp) {
-			host = hp; /* Save it for later. */
-			fixed_lease = mockup_lease (packet, hp);
-		}
-	}
-
-	/* Try to find a lease that's been attached to the client's
-	   hardware address... */
-	hw_lease = find_lease_by_hw_addr (packet -> raw -> chaddr,
-					  packet -> raw -> hlen);
-
-	/* Try to find a lease that's been allocated to the client's
-	   IP address. */
-	if (packet -> options [DHO_DHCP_REQUESTED_ADDRESS].len &&
-	    packet -> options [DHO_DHCP_REQUESTED_ADDRESS].len
-	    <= sizeof cip.iabuf) {
-		cip.len = packet -> options [DHO_DHCP_REQUESTED_ADDRESS].len;
-		memcpy (cip.iabuf,
-			packet -> options [DHO_DHCP_REQUESTED_ADDRESS].data,
-			packet -> options [DHO_DHCP_REQUESTED_ADDRESS].len);
-		memcpy (cip.iabuf, &packet -> raw -> ciaddr, 4);
-		ip_lease = find_lease_by_ip_addr (cip);
-	} else
-		ip_lease = (struct lease *)0;
-
-	/* Toss extra pointers to the same lease... */
-	if (ip_lease == hw_lease)
-		ip_lease = (struct lease *)0;
-	if (hw_lease == uid_lease)
-		hw_lease = (struct lease *)0;
-	if (ip_lease == uid_lease)
-		ip_lease = (struct lease *)0;
-
-	/* If we got an ip address lease, make sure it isn't assigned to
-	   some *other* client!   If it was assigned to this client, we'd
-	   have zeroed it out above, so the only way we can take it at this
-	   point is if some other client had it but it's timed out, or if no
-	   other client has ever had it. */
-	if (ip_lease &&
-	    ip_lease -> ends >= cur_time)
-		ip_lease = (struct lease *)0;
-
-	/* If we've already eliminated the lease, it wasn't there to
-	   begin with.   If we have come up with a matching lease,
-	   set the message to bad network in case we have to throw it out. */
-	if (!ip_lease && !hw_lease && !uid_lease) {
-		strcpy (dhcp_message, "requested address not available");
-	} else {
-		strcpy (dhcp_message, "requested address on bad subnet");
-	}
-
-	/* Now eliminate leases that are on the wrong network... */
-	if (ip_lease &&
-	    (packet -> shared_network != ip_lease -> shared_network)) {
-		release_lease (ip_lease);
-		ip_lease = (struct lease *)0;
-	}
-	if (uid_lease &&
-	    (packet -> shared_network != uid_lease -> shared_network)) {
-		release_lease (uid_lease);
-		uid_lease = (struct lease *)0;
-	}
-	if (hw_lease &&
-	    (packet -> shared_network != hw_lease -> shared_network)) {
-		release_lease (hw_lease);
-		hw_lease = (struct lease *)0;
-	}
-
-	/* At this point, if fixed_lease is nonzero, we can assign it to
-	   this client. */
-	if (fixed_lease)
-		lease = fixed_lease;
-
-	/* If we got a lease that matched the ip address and don't have
-	   a better offer, use that; otherwise, release it. */
-	if (ip_lease) {
-		if (lease) {
-			release_lease (ip_lease);
-		} else {
-			lease = ip_lease;
-			lease -> host = (struct host_decl *)0;
-		}
-	}
-
-	/* If we got a lease that matched the client identifier, we may want
-	   to use it, but if we already have a lease we like, we must free
-	   the lease that matched the client identifier. */
-	if (uid_lease) {
-		if (lease) {
-			release_lease (uid_lease);
-		} else {
-			lease = uid_lease;
-			lease -> host = (struct host_decl *)0;
-		}
-	}
-
-	/* The lease that matched the hardware address is treated likewise. */
-	if (hw_lease) {
-		if (lease) {
-			release_lease (hw_lease);
-		} else {
-			lease = hw_lease;
-			lease -> host = (struct host_decl *)0;
-		}
-	}
-
-	/* If we found a host_decl but no matching address, try to
-	   find a host_decl that has no address, and if there is one,
-	   hang it off the lease so that we can use the supplied
-	   options. */
-	if (lease && host && !lease -> host) {
-		for (; host; host = host -> n_ipaddr) {
-			if (!host -> fixed_addr) {
-				lease -> host = host;
-				break;
-			}
-		}
-	}
-
-	return lease;
-}
-
-/* Search the provided host_decl structure list for an address that's on
-   the specified shared network.  If one is found, mock up and return a
-   lease structure for it; otherwise return the null pointer. */
-
-struct lease *mockup_lease (packet, hp)
-	struct packet *packet;
-	struct host_decl *hp;
-{
-	static struct lease mock;
-	
-	mock.subnet = find_host_for_network (&hp, &mock.ip_addr,
-					     packet -> shared_network);
-	if (!mock.subnet)
-		return (struct lease *)0;
-	mock.next = mock.prev = (struct lease *)0;
-	mock.shared_network = mock.subnet -> shared_network;
-	mock.host = hp;
-	mock.uid_len = 0;
-	mock.hardware_addr.hlen = 0;
-	mock.uid = (unsigned char *)0;
-	mock.starts = mock.timestamp = mock.ends = MIN_TIME;
-	mock.flags = STATIC_LEASE;
-	return &mock;
-}
diff --git a/server/dhcpd.8 b/server/dhcpd.8
deleted file mode 100644
index 18abfff8..00000000
--- a/server/dhcpd.8
+++ /dev/null
@@ -1,266 +0,0 @@
-.\"	dhcpd.8
-.\"
-.\" Copyright (c) 1995, 1996 The Internet Software Consortium.
-.\" All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\"
-.\" 1. Redistributions of source code must retain the above copyright
-.\"    notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\"    notice, this list of conditions and the following disclaimer in the
-.\"    documentation and/or other materials provided with the distribution.
-.\" 3. Neither the name of The Internet Software Consortium nor the names
-.\"    of its contributors may be used to endorse or promote products derived
-.\"    from this software without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
-.\" CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
-.\" INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-.\" DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
-.\" CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-.\" LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-.\" USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-.\" ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
-.\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\" This software has been written for the Internet Software Consortium
-.\" by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
-.\" Enterprises.  To learn more about the Internet Software Consortium,
-.\" see ``http://www.isc.org/isc''.  To learn more about Vixie
-.\" Enterprises, see ``http://www.vix.com''.
-.Dd March 5, 1996
-.Dt dhcpd 8
-.Sh NAME
-.Nm dhcpd
-.Nd Dynamic Host Configuration Protocol server
-.Sh SYNOPSIS
-.Nm dhcpd
-.Op Fl p port
-.Sh DESCRIPTION
-.Xr dhcpd 8
-implements the Dynamic Host Configuration Protocol (DHCP) and
-the Internet Bootstrap Protocol (BOOTP).  DHCP allows hosts on a
-TCP/IP network to request and be assigned IP addresses, and also to
-discover information about the network to which they are attached.
-BOOTP provides similar but much more limited functionality.
-.Sh OPERATION
-.Pp
-The DHCP protocol allows a host which is unknown to the network
-administrator to be automatically assigned a new IP address out of a
-pool of IP addresses for its network.   In order for this to work, the
-network administrator allocates address pools in each subnet and
-enters them into the
-.Xr dhcpd.conf 5
-file.
-.Pp
-On startup, dhcpd reads the
-.Nm dhcpd.conf
-file and keeps the list of available addresses on each subnet in
-memory.  When a host requests an address using the DHCP protocol,
-dhcpd allocates an address for it.  Each such host is assigned a
-lease, which expires after an amount of time chosen by the
-administrator (by default, one day).  As leases expire, the hosts to
-which they are assigned are expected to renew the leases if they wish
-to continue to use the addresses.   Once a lease has expired, the host
-to which that lease is assigned is no longer permitted to use the IP
-address assigned to it.
-.Pp
-In order to keep track of leases across system reboots and server
-restarts,
-.Nm dhcpd
-keeps a list of leases it has assigned in the
-.Xr dhcpd.leases 5
-file.   Before dhcpd grants a lease to a host, it records the lease in
-this file and makes sure that the contents of the file are flushed to
-disk.   This ensures that even in the event of a system crash,
-.Nm dhcpd
-will not forget about a lease that it has assigned.   On startup,
-after reading the
-.Nm dhcpd.conf
-file,
-.Nm dhcpd
-reads the
-.Nm dhcpd.leases
-file to refresh its memory about what leases have been assigned.
-.Pp
-New leases are appended to the end of the
-.Nm dhcpd.leases
-file.   In order to prevent the file from becoming arbitrarily large,
-from time to time
-.Nm dhcpd
-creates a new
-.Nm dhcpd.leases
-file from its in-core lease database.  Once this file has been written
-to disk, the old file is renamed
-.Nm dhcpd.leases~ ,
-and the new file is renamed
-.Nm dhcpd.leases .
-If the system crashes in the middle of this process,
-whichever
-.Nm dhcpd.leases
-file remains will contain all the lease information, so there is no
-need for a special crash recovery process.
-.Pp
-BOOTP support is also provided by this server.   Unlike DHCP, the
-BOOTP protocol requires that the server know the hardware address of
-the client that is to be booted.   The network administrator must
-determine that address, allocate an IP address for the client, and
-enter that information into the
-.Nm dhcpd.conf
-file.
-.Pp
-Whenever changes are made to the
-.Nm dhcpd.conf
-file,
-.Nm dhcpd
-must be restarted.   To restart
-.Nm dhcpd ,
-send a SIGTERM (signal 15) to the process ID contained in
-.Nm /var/run/dhcpd.pid ,
-and then re-invoke
-.Nm dhcpd .
-
-.Sh CONFIGURATION
-The syntax of the
-.Xr dhcpd.conf 8
-file is discussed seperately.   This section should be used as an
-overview of the configuration process, and the
-.Xr dhcpd.conf 8
-documentation should be consulted for detailed reference information.
-.Pp
-.Sh Subnets
-.Xr dhcpd 8
-needs to know the subnet numbers and netmasks of all subnets for which
-it will be providing service.   In addition, in order to dynamically
-allocate addresses, it must be assigned one or more ranges of
-addresses on each subnet which it can in turn assign to client hosts
-as they boot.   Thus, a very simple configuration providing DHCP
-support might look like this:
-.nf
-.sp 1
-	subnet 239.252.197.0 netmask 255.255.255.0
-	  range 239.252.197.10 239.252.197.250;
-.fi
-.Pp
-Multiple address ranges may be specified like this:
-.nf
-.sp 1
-	subnet 239.252.197.0 netmask 255.255.255.0
-	  range 239.252.197.10 239.252.197.107
-	  range 239.252.197.113 239.252.197.250;
-.fi
-.Pp
-If a subnet will only be provided with BOOTP service and no dynamic
-address assignment, the range clause can be left out entirely, but the
-subnet statement must appear.
-.Pp
-.Sh Lease Lengths
-DHCP leases can be assigned almost any length from zero seconds to
-infinity.   What lease length makes sense for any given subnet, or for
-any given installation, will vary depending on the kinds of hosts
-being served.
-.Pp
-For example, in an office environment where systems are added from
-time to time and removed from time to time, but move relatively
-infrequently, it might make sense to allow lease times of a month of
-more.   In a final test environment on a manufacturing floor, it may
-make more sense to assign a maximum lease length of 30 minutes -
-enough time to go through a simple test procedure on a network
-appliance before packaging it up for delivery.
-.Pp
-It is possible to specify two lease lengths: the default length that
-will be assigned if a client doesn't ask for any particular lease
-length, and a maximum lease length.   These are specified as clauses
-to the subnet command:
-.nf
-.sp 1
-	subnet 239.252.197.0 netmask 255.255.255.0
-	  range 239.252.197.10 239.252.197.107
-	  default-lease-time 600
-	  max-lease-time 7200;
-.fi
-.Pp
-This particular subnet declaration specifies a default lease time of
-600 seconds (ten minutes), and a maximum lease time of 7200 seconds
-(two hours).   Other common values would be 86400 (one day), 604800
-(one week) and 2592000 (30 days).
-.Pp
-Each subnet need not have the same lease\(emin the case of an office
-environment and a manufacturing environment served by the same DHCP
-server, it might make sense to have widely disparate values for
-default and maximum lease times on each subnet.
-.Sh BOOTP Support
-Each BOOTP client must be explicitly declared in the
-.Nm dhcpd.conf
-file.   A very basic client declaration will specify the client
-network interface's hardware address and the IP address to assign to
-that client.   If the client needs to be able to load a boot file from
-the server, that file's name must be specified.   A simple bootp
-client declaration might look like this:
-.nf
-.sp 1
-	host haagen hardware ethernet 08:00:2b:4c:59:23
-	  fixed-address 239.252.197.9
-	  filename "/tftpboot/haagen.boot";
-.fi
-.Sh Options
-DHCP (and also BOOTP with Vendor Extensions) provide a mechanism
-whereby the server can provide the client with information about how
-to configure its network interface (e.g., subnet mask), and also how
-the client can access various network services (e.g., DNS, IP routers,
-and so on).
-.Pp
-These options can be specified on a per-subnet basis, and, for BOOTP
-clients, also on a per-client basis.   In the event that a BOOTP
-client declaration specifies options that are also specified in its
-subnet declaration, the options specified in the client declaration
-take precedence.   An reasonably complete DHCP configuration might
-look something like this:
-.nf
-.sp 1
-	subnet 239.252.197.0 netmask 255.255.255.0
-	  range 239.252.197.10 239.252.197.250
-	  default-lease-time 600 max-lease-time 7200
-	  option subnet-mask 255.255.255.0
-	  option broadcast-address 239.252.197.255
-	  option routers 239.252.197.1
-	  option domain-name-servers 239.252.197.2, 239.252.197.3
-	  option domain-name "isc.org";
-.fi
-.Pp
-A bootp host on that subnet that needs to be in a different domain and
-use a different name server might be declared as follows:
-.nf
-.sp 1
-	host haagen hardware ethernet 08:00:2b:4c:59:23
-	  fixed-address 239.252.197.9
-	  filename "/tftpboot/haagen.boot"
-	  option domain-name-servers 192.5.5.1
-	  option domain-name "vix.com";
-.fi
-.Pp
-A complete list of DHCP Options and their syntaxes is provided in
-.Xr dhcpd.conf 5 .
-.Sh FILES
-.Nm /etc/dhcpd.conf ,
-.Nm /etc/dhcpd.leases ,
-.Nm /var/run/dhcpd.pid ,
-.Nm /etc/dhcpd.leases~ .
-.Sh SEE ALSO
-.Xr dhcpd.conf 5 ,
-.Xr dhcpd.leases 5
-.Sh AUTHOR
-.Xr dhcpd 8
-was written by Ted Lemon
-.Nm <mellon@vix.com>
-under a contract with Vixie Labs.   Funding
-for this project was provided by the Internet Software Corporation.
-Information about the Internet Software Consortium can be found at
-.Nm http://www.isc.org/isc .
diff --git a/server/dhcpd.c b/server/dhcpd.c
deleted file mode 100644
index 4fbee245..00000000
--- a/server/dhcpd.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/* dhcpd.c
-
-   DHCP Server Daemon. */
-
-/*
- * Copyright (c) 1995, 1996 The Internet Software Consortium.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- *    of its contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises.  To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''.  To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#ifndef lint
-static char copyright[] =
-"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
-#endif /* not lint */
-
-#include "dhcpd.h"
-
-static void usage PROTO ((void));
-
-TIME cur_time;
-TIME default_lease_time = 43200; /* 12 hours... */
-TIME max_lease_time = 86400; /* 24 hours... */
-struct tree_cache *global_options [256];
-
-struct iaddr server_identifier;
-int server_identifier_matched;
-
-#ifdef USE_FALLBACK
-struct interface_info fallback_interface;
-#endif
-
-u_int16_t server_port;
-int log_priority;
-
-int main (argc, argv, envp)
-	int argc;
-	char **argv, **envp;
-{
-	struct in_addr addr;
-	int port = 0;
-	int i;
-	struct sockaddr_in name;
-	u_int32_t *addrlist = (u_int32_t *)0;
-	int addrcount = 0;
-	struct tree *addrtree = (struct tree *)0;
-	struct servent *ent;
-	int sock;
-	int pid;
-	int result;
-	int flag;
-
-#ifdef SYSLOG_4_2
-	openlog ("dhcpd", LOG_NDELAY);
-	log_priority = LOG_DAEMON;
-#else
-	openlog ("dhcpd", LOG_NDELAY, LOG_DAEMON);
-#endif
-
-#ifndef	NO_PUTENV
-	/* ensure mktime() calls are processed in UTC */
-	putenv("TZ=GMT0");
-#endif /* !NO_PUTENV */
-
-#ifndef DEBUG
-	setlogmask (LOG_UPTO (LOG_INFO));
-
-	/* Become a daemon... */
-	if ((pid = fork ()) < 0)
-		error ("Can't fork daemon: %m");
-	else if (pid)
-		exit (0);
-	/* Become session leader and get pid... */
-	pid = setsid ();
-#endif	
-	for (i = 1; i < argc; i++) {
-		if (!strcmp (argv [i], "-p")) {
-			if (++i == argc)
-				usage ();
-			server_port = htons (atoi (argv [i]));
-			debug ("binding to user-specified port %d",
-			       ntohs (server_port));
-#if 0
-		} else if (!strcmp (argv [i], "-a")) {
-			if (++i == argc)
-				usage ();
-			if (inet_aton (argv [i], &addr)) {
-				addrtree =
-					tree_concat (addrtree,
-						     tree_const
-						     ((unsigned char *)&addr,
-						      sizeof addr));
-			} else {
-				addrtree = tree_concat (addrtree,
-							tree_host_lookup
-							(argv [i]));
-			}
-#endif
-		} else
-			usage ();
-	}
-
-	/* Default to the DHCP/BOOTP port. */
-	if (!server_port)
-	{
-		ent = getservbyname ("dhcp", "udp");
-		if (!ent)
-			server_port = htons (67);
-		else
-			server_port = ent -> s_port;
-		endservent ();
-	}
-  
-	/* Get the current time... */
-	GET_TIME (&cur_time);
-
-	/* Read the dhcpd.conf file... */
-	readconf ();
-
-	/* Start up the database... */
-	db_startup ();
-
-	/* Discover all the network interfaces and initialize them. */
-	discover_interfaces ();
-
-	/* Write a pid file. */
-	unlink (_PATH_DHCPD_PID);
-	if ((i = open (_PATH_DHCPD_PID, O_WRONLY | O_CREAT, 0640)) >= 0) {
-		char obuf [20];
-		sprintf (obuf, "%d\n", (int)getpid ());
-		write (i, obuf, strlen (obuf));
-		close (i);
-	}
-
-	/* Receive packets and dispatch them... */
-	dispatch ();
-
-	/* Not reached */
-	return 0;
-}
-
-/* Print usage message. */
-
-static void usage ()
-{
-	error ("Usage: dhcpd [-p <port>] [-a <ip-addr>]");
-}
-
-void cleanup ()
-{
-}
diff --git a/server/dhcpd.cat8 b/server/dhcpd.cat8
deleted file mode 100644
index 5475f1db..00000000
--- a/server/dhcpd.cat8
+++ /dev/null
@@ -1,182 +0,0 @@
-dhcpd(8)                NetBSD System Manager's Manual                dhcpd(8)
-
-NNAAMMEE
-     ddhhccppdd - Dynamic Host Configuration Protocol server
-
-SSYYNNOOPPSSIISS
-     ddhhccppdd [--pp --ppoorrtt]
-
-DDEESSCCRRIIPPTTIIOONN
-     dhcpd(8) implements the Dynamic Host Configuration Protocol (DHCP) and
-     the Internet Bootstrap Protocol (BOOTP).  DHCP allows hosts on a TCP/IP
-     network to request and be assigned IP addresses, and also to discover in-
-     formation about the network to which they are attached.  BOOTP provides
-     similar but much more limited functionality.
-
-OOPPEERRAATTIIOONN
-     The DHCP protocol allows a host which is unknown to the network adminis-
-     trator to be automatically assigned a new IP address out of a pool of IP
-     addresses for its network.   In order for this to work, the network ad-
-     ministrator allocates address pools in each subnet and enters them into
-     the dhcpd.conf(5) file.
-
-     On startup, dhcpd reads the ddhhccppdd..ccoonnff file and keeps the list of avail-
-     able addresses on each subnet in memory.  When a host requests an address
-     using the DHCP protocol, dhcpd allocates an address for it.  Each such
-     host is assigned a lease, which expires after an amount of time chosen by
-     the administrator (by default, one day).  As leases expire, the hosts to
-     which they are assigned are expected to renew the leases if they wish to
-     continue to use the addresses.   Once a lease has expired, the host to
-     which that lease is assigned is no longer permitted to use the IP address
-     assigned to it.
-
-     In order to keep track of leases across system reboots and server
-     restarts, ddhhccppdd keeps a list of leases it has assigned in the
-     dhcpd.leases(5) file.   Before dhcpd grants a lease to a host, it records
-     the lease in this file and makes sure that the contents of the file are
-     flushed to disk.   This ensures that even in the event of a system crash,
-     ddhhccppdd will not forget about a lease that it has assigned.   On startup,
-     after reading the ddhhccppdd..ccoonnff file, ddhhccppdd reads the ddhhccppdd..lleeaasseess file to
-     refresh its memory about what leases have been assigned.
-
-     New leases are appended to the end of the ddhhccppdd..lleeaasseess file.   In order
-     to prevent the file from becoming arbitrarily large, from time to time
-     ddhhccppdd creates a new ddhhccppdd..lleeaasseess file from its in-core lease database.
-     Once this file has been written to disk, the old file is renamed
-     ddhhccppdd..lleeaasseess~~, and the new file is renamed ddhhccppdd..lleeaasseess. If the system
-     crashes in the middle of this process, whichever ddhhccppdd..lleeaasseess file re-
-     mains will contain all the lease information, so there is no need for a
-     special crash recovery process.
-
-     BOOTP support is also provided by this server.   Unlike DHCP, the BOOTP
-     protocol requires that the server know the hardware address of the client
-     that is to be booted.   The network administrator must determine that ad-
-     dress, allocate an IP address for the client, and enter that information
-     into the ddhhccppdd..ccoonnff file.
-
-     Whenever changes are made to the ddhhccppdd..ccoonnff file, ddhhccppdd must be restart-
-     ed.   To restart ddhhccppdd, send a SIGTERM (signal 15) to the process ID con-
-     tained in //vvaarr//rruunn//ddhhccppdd..ppiidd, and then re-invoke ddhhccppdd.
-
-
-CCOONNFFIIGGUURRAATTIIOONN
-     The syntax of the dhcpd.conf(8) file is discussed seperately.   This sec-
-     tion should be used as an overview of the configuration process, and the
-     dhcpd.conf(8) documentation should be consulted for detailed reference
-     information.
-
-SSuubbnneettss
-     dhcpd(8) needs to know the subnet numbers and netmasks of all subnets for
-     which it will be providing service.   In addition, in order to dynamical-
-     ly allocate addresses, it must be assigned one or more ranges of address-
-     es on each subnet which it can in turn assign to client hosts as they
-     boot.   Thus, a very simple configuration providing DHCP support might
-     look like this:
-
-          subnet 239.252.197.0 netmask 255.255.255.0
-            range 239.252.197.10 239.252.197.250;
-
-     Multiple address ranges may be specified like this:
-
-          subnet 239.252.197.0 netmask 255.255.255.0
-            range 239.252.197.10 239.252.197.107
-            range 239.252.197.113 239.252.197.250;
-
-     If a subnet will only be provided with BOOTP service and no dynamic ad-
-     dress assignment, the range clause can be left out entirely, but the sub-
-     net statement must appear.
-
-LLeeaassee LLeennggtthhss
-     DHCP leases can be assigned almost any length from zero seconds to infin-
-     ity.   What lease length makes sense for any given subnet, or for any
-     given installation, will vary depending on the kinds of hosts being
-     served.
-
-     For example, in an office environment where systems are added from time
-     to time and removed from time to time, but move relatively infrequently,
-     it might make sense to allow lease times of a month of more.   In a final
-     test environment on a manufacturing floor, it may make more sense to as-
-     sign a maximum lease length of 30 minutes - enough time to go through a
-     simple test procedure on a network appliance before packaging it up for
-     delivery.
-
-     It is possible to specify two lease lengths: the default length that will
-     be assigned if a client doesn't ask for any particular lease length, and
-     a maximum lease length.   These are specified as clauses to the subnet
-     command:
-
-          subnet 239.252.197.0 netmask 255.255.255.0
-            range 239.252.197.10 239.252.197.107
-            default-lease-time 600
-            max-lease-time 7200;
-
-     This particular subnet declaration specifies a default lease time of 600
-     seconds (ten minutes), and a maximum lease time of 7200 seconds (two
-     hours).   Other common values would be 86400 (one day), 604800 (one week)
-     and 2592000 (30 days).
-
-     Each subnet need not have the same lease--in the case of an office envi-
-     ronment and a manufacturing environment served by the same DHCP server,
-     it might make sense to have widely disparate values for default and maxi-
-     mum lease times on each subnet.
-
-BBOOOOTTPP SSuuppppoorrtt
-     Each BOOTP client must be explicitly declared in the ddhhccppdd..ccoonnff file.   A
-     very basic client declaration will specify the client network interface's
-     hardware address and the IP address to assign to that client.   If the
-     client needs to be able to load a boot file from the server, that file's
-     name must be specified.   A simple bootp client declaration might look
-     like this:
-
-          host haagen hardware ethernet 08:00:2b:4c:59:23
-            fixed-address 239.252.197.9
-            filename "/tftpboot/haagen.boot";
-
-OOppttiioonnss
-     DHCP (and also BOOTP with Vendor Extensions) provide a mechanism whereby
-     the server can provide the client with information about how to configure
-     its network interface (e.g., subnet mask), and also how the client can
-     access various network services (e.g., DNS, IP routers, and so on).
-
-     These options can be specified on a per-subnet basis, and, for BOOTP
-     clients, also on a per-client basis.   In the event that a BOOTP client
-     declaration specifies options that are also specified in its subnet dec-
-     laration, the options specified in the client declaration take prece-
-     dence.   An reasonably complete DHCP configuration might look something
-     like this:
-
-          subnet 239.252.197.0 netmask 255.255.255.0
-            range 239.252.197.10 239.252.197.250
-            default-lease-time 600 max-lease-time 7200
-            option subnet-mask 255.255.255.0
-            option broadcast-address 239.252.197.255
-            option routers 239.252.197.1
-            option domain-name-servers 239.252.197.2, 239.252.197.3
-            option domain-name "isc.org";
-
-     A bootp host on that subnet that needs to be in a different domain and
-     use a different name server might be declared as follows:
-
-          host haagen hardware ethernet 08:00:2b:4c:59:23
-            fixed-address 239.252.197.9
-            filename "/tftpboot/haagen.boot"
-            option domain-name-servers 192.5.5.1
-            option domain-name "vix.com";
-
-     A complete list of DHCP Options and their syntaxes is provided in
-     dhcpd.conf(5).
-
-FFIILLEESS
-     //eettcc//ddhhccppdd..ccoonnff, //eettcc//ddhhccppdd..lleeaasseess, //vvaarr//rruunn//ddhhccppdd..ppiidd,
-     //eettcc//ddhhccppdd..lleeaasseess~~.
-
-SSEEEE AALLSSOO
-     dhcpd.conf(5),  dhcpd.leases(5)
-
-AAUUTTHHOORR
-     dhcpd(8) was written by Ted Lemon <<mmeelllloonn@@vviixx..ccoomm>> under a contract with
-     Vixie Labs.   Funding for this project was provided by the Internet Soft-
-     ware Corporation.  Information about the Internet Software Consortium can
-     be found at hhttttpp::////wwwwww..iisscc..oorrgg//iisscc.
-
-                                March 16, 1996                               3
diff --git a/server/dhcpd.conf b/server/dhcpd.conf
deleted file mode 100644
index 07d0e953..00000000
--- a/server/dhcpd.conf
+++ /dev/null
@@ -1,27 +0,0 @@
-shared-network FUGUE
-  option domain-name-servers 204.254.239.2
-  option domain-name "fugue.com"
-  option subnet-mask 255.255.255.0 option broadcast-address 204.254.239.255
-  default-lease-time 600 max-lease-time 7200
-
-  subnet 204.254.239.0 netmask 255.255.255.0
-    range 204.254.239.10 204.254.239.20
-    option routers 204.254.239.1
-  subnet 10.0.1.0 netmask 255.255.255.0
-    range dynamic-bootp 10.0.1.1 10.0.1.20
-    option routers 10.0.1.254;
-
-subnet 192.5.5.0 netmask 255.255.255.224
-    range 192.5.5.26 192.5.5.30
-    option routers 192.5.5.1
-    option name-servers 192.5.5.15, 192.5.5.1
-    option domain-name "vix.com"
-    option subnet-mask 255.255.255.224 option broadcast-address 192.5.5.31
-    default-lease-time 600 max-lease-time 7200;
-
-host passacaglia hardware ethernet 0:0:c0:5d:bd:95
-  filename "vmunix.passacaglia"
-  server-name "toccata.fugue.com";
-
-host fantasia hardware ethernet 08:00:07:26:c0:a5
-  fixed-address fantasia.fugue.com;
diff --git a/server/dhcpd.conf.5 b/server/dhcpd.conf.5
deleted file mode 100644
index f1f2d920..00000000
--- a/server/dhcpd.conf.5
+++ /dev/null
@@ -1,712 +0,0 @@
-.\"	dhcpd.conf.5
-.\"
-.\" Copyright (c) 1995, 1996 The Internet Software Consortium.
-.\" All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\"
-.\" 1. Redistributions of source code must retain the above copyright
-.\"    notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\"    notice, this list of conditions and the following disclaimer in the
-.\"    documentation and/or other materials provided with the distribution.
-.\" 3. Neither the name of The Internet Software Consortium nor the names
-.\"    of its contributors may be used to endorse or promote products derived
-.\"    from this software without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
-.\" CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
-.\" INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-.\" DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
-.\" CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-.\" LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-.\" USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-.\" ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
-.\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\" This software has been written for the Internet Software Consortium
-.\" by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
-.\" Enterprises.  To learn more about the Internet Software Consortium,
-.\" see ``http://www.isc.org/isc''.  To learn more about Vixie
-.\" Enterprises, see ``http://www.vix.com''.
-.Dd March 5, 1996
-.Dt dhcpd.conf 5
-.Sh NAME
-.Nm dhcpd.conf
-.Nd dhcpd configuration file
-.Sh DESCRIPTION
-The
-.Xr dhcpd.conf 5
-file contains configuration information for
-.Xr dhcpd 8 ,
-the Dynamic Host Configuration Protocol daemon.   A primer on
-configuring
-.Nm dhcpd
-is included in
-.Xr dhcpd 8 .
-This document describes the format of the file in detail, and is
-probably a better reference than a primer.
-.Pp
-The
-.Nm dhcpd.conf
-file is a free-form ASCII text file.   It is parsed by a
-recursive-descent parser.   Statements in the file may contain extra
-tabs and newlines for formatting purposes.   Each statement in the
-file is terminated by a semicolon.   Keywords in the file are
-case-insensitive.
-.Pp
-There are currently two statements that can
-meaningfully appear in the file\(emthe
-.Nm subnet
-statement, and the
-.Nm host
-statement.
-.Sh The SUBNET statement
-.Nm subnet
-.Ar subnet-number
-.Nm netmask
-.Ar netmask
-.Op Ar clauses ;
-.Pp
-.Ar subnet-number
-should be an IP address or DNS name which resolves to the subnet
-number of the subnet being described.
-.Ar netmask
-should be an IP address or DNS name which resolves to the subnet mask
-of the subnet being described. These are the only required fields
-in a subnet declaration, although it may be desirable to add one or
-more of the following clauses.
-.Pp
-Subnets for which addresses will be dynamically allocated must have
-one or more addresses reserved for future allocation by
-.Nm dhcpd .
-These addresses are allocated using the
-.Nm range
-clause.
-.Pp
-.Nm range
-.Ar lowest-address
-.Ar highest-address
-.Pp
-.Ar Lowest-address
-should be the lowest address in the range that may be assigned by
-.Nm dhcpd
-to a DHCP client.
-.Ar Highest-address
-should be the highest address in the range that may be assigned by
-.Nm dhcpd .
-If there is only one address in a range, it must be specified as both
-the lowest and highest addresses.  As many
-.Nm range
-clauses as are needed may be specified in any given
-.Nm subnet
-statement.
-.Pp
-.Nm default-lease-time
-.Ar time
-.Pp
-.Ar Time
-should be the expiration time in seconds that will be assigned to a
-lease if the client requesting the lease does not ask for a specific
-expiration time.   This clause may only appear once in each
-.Nm subnet
-statement.
-.Pp
-.Nm max-lease-time
-.Ar time
-.Pp
-.Ar Time
-should be the maximum expiration time in seconds that will be assigned
-to a lease if the client requesting the lease asks for a specific
-expiration time.   This clause may only appear once in each
-.Nm subnet
-statement.
-.Pp
-.Nm option
-.Ar option-declaration
-.Pp
-Any number of
-.Nm
-option clauses may appear in a subnet statement.   The syntax of
-option declarations is described later in this document.
-.Sh The HOST statement
-.Nm host
-.Ar hostname
-.Op Ar clauses ;
-.Pp
-There must be at least one
-.Nm host
-statement for every BOOTP client that is to be served.
-.Ar hostname
-should be a name identifying the host.   It is for labelling purposes
-only, and is not used in the BOOTP protocol.
-.Pp
-.Nm hardware
-.Ar hardware-type
-.Ar hardware-address
-.Pp
-In order for a BOOTP client to be recognized, its network hardware
-address must be declared using a
-.Nm hardware
-clause in the
-.Nm host
-statement.   Only one such clause can appear in any host statement.
-.Ar hardware-type
-must be the name of a physical hardware interface type.   Currently,
-only the
-.Nm ethernet
-type is recognized, although support for
-.Nm token-ring
-and
-.Nm fddi
-hardware types will be added soon.
-The
-.Ar hardware-address
-should be a set of hexadecimal octets (numbers from 0 through ff)
-seperated by colons.
-.Pp
-.Nm filename
-.Ar filename
-.Pp
-If the BOOTP client needs to load a boot file (for example, a kernel
-or configuration file), the name of this file may be provided to the
-client using the
-.Nm filename
-clause.   The
-.Ar filename
-should be a filename recognizable to whatever file transfer protocol
-the client can be expected to use to load the file.
-.Pp
-.Nm fixed-address
-.Ar address
-.Pp
-BOOTP clients must be assigned fixed IP addresses.   The
-.Nm fixed-address
-clause is used to associate a fixed IP address with a BOOTP client.
-.Ar Address
-should be either an IP address or a DNS name which resolves to a
-single IP address.
-.Pp
-.Nm option
-.Ar option-declaration
-.Pp
-Any number of
-.Nm
-option clauses may appear in a host statement.   The syntax of
-option declarations is described later in this document.   If an
-option clause in a
-.Nm host
-statement conflicts with an option clause in the
-.Nm subnet
-statement for the subnet containing that host, the option clause in
-the
-.Nm host
-statement is used.
-.Pp
-.Sh Option Declarations
-.Pp
-Option declarations always start with the
-.Nm option
-keyword, followed by an option name, followed by option data.   The
-option names and data formats are described below.   Many of the
-options described below which set IP or TCP parameters have default
-values which will generally work perfectly well, so only those options
-whose values must be set explicitly should be included in
-.Nm subnet
-or
-.Nm host
-statements.
-.Pp
-Option data comes in a variety of formats.   In order to avoid having
-to explain the formats along with each option definition below, a
-number of data types have been defined.
-.Pp
-The ip-address data type can be entered either as an explicit IP
-address (e.g., 239.254.197.10) or as a domain name (e.g.,
-haagen.isc.org).  When entering a domain name, be sure that that
-domain name resolves to a single IP address.
-.Pp
-The int32 data type specifies a signed 32-bit integer.   The uint32
-data type specifies an unsigned 32-bit integer.   The int16 and uint16
-data types specify signed and unsigned 16-bit integers.   The int8 and
-uint8 data types specify signed and unsigned 8-bit integers.
-Unsigned 8-bit integers are also sometimes referred to as octets.
-.Pp
-The string data type specifies an NVT ASCII string, which must be
-enclosed in double quotes - for example, to specify a domain-name
-option, the syntax would be
-.nf
-.sp 1
-	option domain-name "isc.org"
-.fi
-.Pp
-The flag data type specifies a one-bit (boolean) number.
-.Pp
-The documentation for the various options mentioned below is taken
-from the latest IETF draft document on DHCP options.
-.Pp
-.Nm option
-.Nm subnet-mask
-.Ar ip-address
-.Pp
-The subnet mask option specifies the client's subnet mask as per RFC
-950.
-.Pp
-.Nm option
-.Nm time-offset
-.Ar int32
-.Pp
-The time-offset option specifies the offset of the client's subnet in
-seconds from Coordinated Universal Time (UTC).
-.Pp
-.Nm option
-.Nm routers
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-The routers option specifies a list of IP addresses for routers on the
-client's subnet.  Routers should be listed in order of preference.
-.Pp
-.Nm option
-.Nm time-servers
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-The time-server option specifies a list of RFC 868 time servers
-available to the client.  Servers should be listed in order of
-preference.
-.Pp
-.Nm option
-.Nm name-servers
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-The name-servers option specifies a list of IEN 116 name servers
-available to the client.  Servers should be listed in order of
-preference.
-.Pp
-.Nm option
-.Nm domain-name-servers
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-The domain-name-servers option specifies a list of Domain Name System
-(STD 13, RFC 1035) name servers available to the client.  Servers
-should be listed in order of preference.
-.Pp
-.Nm option
-.Nm log-servers
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-The log-server option specifies a list of MIT-LCS UDP log servers
-available to the client.  Servers should be listed in order of
-preference.
-.Pp
-.Nm option
-.Nm cookie-servers
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-The cookie server option specifies a list of RFC 865 cookie
-servers available to the client.  Servers should be listed in order
-of preference.
-.Pp
-.Nm option
-.Nm lpr-servers
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-The LPR server option specifies a list of RFC 1179 line printer
-servers available to the client.  Servers should be listed in order
-of preference.
-.Pp
-.Nm option
-.Nm impress-servers
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-The impress-server option specifies a list of Imagen Impress servers
-available to the client.  Servers should be listed in order of
-preference.
-.Pp
-.Nm option
-.Nm resource-location-servers
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-This option specifies a list of RFC 887 Resource Location
-servers available to the client.  Servers should be listed in order
-of preference.
-.Pp
-.Nm option
-.Nm host-name
-.Ar string
-.Pp
-This option specifies the name of the client.  The name may or may
-not be qualified with the local domain name (it is preferable to use
-the domain-name option to specify the domain name).  See RFC 1035 for
-character set restrictions.
-.Pp
-.Nm option
-.Nm boot-size
-.Ar uint16
-.Pp
-This option specifies the length in 512-octet blocks of the default
-boot image for the client.
-.Pp
-.Nm option
-.Nm merit-dump
-.Ar string
-.Pp
-This option specifies the path-name of a file to which the client's
-core image should be dumped in the event the client crashes.  The
-path is formatted as a character string consisting of characters from
-the NVT ASCII character set.
-.Pp
-.Nm option
-.Nm domain-name
-.Ar string
-.Pp
-This option specifies the domain name that client should use when
-resolving hostnames via the Domain Name System.
-.Pp
-.Nm option
-.Nm swap-server
-.Ar ip-address
-.Pp
-This specifies the IP address of the client's swap server.
-.Pp
-.Nm option
-.Nm root-path
-.Ar string
-.Pp
-This option specifies the path-name that contains the client's root
-disk.  The path is formatted as a character string consisting of
-characters from the NVT ASCII character set.
-.Pp
-.Nm option
-.Nm ip-forwarding
-.Ar flag
-.Pp
-This option specifies whether the client should configure its IP
-layer for packet forwarding.  A value of 0 means disable IP
-forwarding, and a value of 1 means enable IP forwarding.
-.Pp
-.Nm option
-.Nm non-local-source-routing
-.Ar flag
-.Pp
-This option specifies whether the client should configure its IP
-layer to allow forwarding of datagrams with non-local source routes
-(see Section 3.3.5 of [4] for a discussion of this topic).  A value
-of 0 means disallow forwarding of such datagrams, and a value of 1
-means allow forwarding.
-.Pp
-.Nm option
-.Nm policy-filter
-.Ar ip-address ip-address [
-,
-.Ar ip-address ip-address
-.Ar ... ]
-.Pp
-This option specifies policy filters for non-local source routing.
-The filters consist of a list of IP addresses and masks which specify
-destination/mask pairs with which to filter incoming source routes.
-.Pp
-Any source routed datagram whose next-hop address does not match one
-of the filters should be discarded by the client.
-.Pp
-See STD 3 (RFC1122) for further information.
-.Pp
-.Nm option
-.Nm max-dgram-reassembly
-.Ar uint16
-.Pp
-This option specifies the maximum size datagram that the client
-should be prepared to reassemble.  The minimum value legal value is
-576.
-.Pp
-.Nm option
-.Nm default-ip-ttl
-.Ar uint8
-.Pp
-This option specifies the default time-to-live that the client should
-use on outgoing datagrams.
-.Pp
-.Nm option
-.Nm path-mtu-aging-timeout
-.Ar uint32
-.Pp
-This option specifies the timeout (in seconds) to use when aging Path
-MTU values discovered by the mechanism defined in RFC 1191.
-.Pp
-.Nm option
-.Nm path-mtu-plateau-table
-.Ar uint16 [
-,
-.Ar uint16
-.Ar ... ]
-.Pp
-This option specifies a table of MTU sizes to use when performing
-Path MTU Discovery as defined in RFC 1191.  The table is formatted as
-a list of 16-bit unsigned integers, ordered from smallest to largest.
-The minimum MTU value cannot be smaller than 68.
-.Pp
-.Nm option
-.Nm interface-mtu
-.Ar uint16
-.Pp
-This option specifies the MTU to use on this interface.   The minimum
-legal value for the MTU is 68.
-.Pp
-.Nm option
-.Nm all-subnets-local
-.Ar flag
-This option specifies whether or not the client may assume that all
-subnets of the IP network to which the client is connected use the
-same MTU as the subnet of that network to which the client is
-directly connected.  A value of 1 indicates that all subnets share
-the same MTU.  A value of 0 means that the client should assume that
-some subnets of the directly connected network may have smaller MTUs.
-.Pp
-.Nm option
-.Nm broadcast-address
-.Ar ip-address
-.Pp
-This option specifies the broadcast address in use on the client's
-subnet.  Legal values for broadcast addresses are specified in
-section 3.2.1.3 of STD 3 (RFC1122).
-.Pp
-.Nm option
-.Nm perform-mask-discovery
-.Ar flag
-.Pp
-This option specifies whether or not the client should perform subnet
-mask discovery using ICMP.  A value of 0 indicates that the client
-should not perform mask discovery.  A value of 1 means that the
-client should perform mask discovery.
-.Pp
-.Nm option
-.Nm mask-supplier
-.Ar flag
-.Pp
-This option specifies whether or not the client should respond to
-subnet mask requests using ICMP.  A value of 0 indicates that the
-client should not respond.  A value of 1 means that the client should
-respond.
-.Pp
-.Nm option
-.Nm router-discovery
-.Ar flag
-.Pp
-This option specifies whether or not the client should solicit
-routers using the Router Discovery mechanism defined in RFC 1256.
-A value of 0 indicates that the client should not perform
-router discovery.  A value of 1 means that the client should perform
-router discovery.
-.Pp
-.Nm option
-.Nm router-solicitation-address
-.Ar ip-address
-.Pp
-This option specifies the address to which the client should transmit
-router solicitation requests.
-.Pp
-.Nm option
-.Nm static-routes
-.Ar ip-address ip-address [
-,
-.Ar ip-address ip-address
-.Ar ... ]
-.Pp
-This option specifies a list of static routes that the client should
-install in its routing cache.  If multiple routes to the same
-destination are specified, they are listed in descending order of
-priority.
-.Pp
-The routes consist of a list of IP address pairs.  The first address
-is the destination address, and the second address is the router for
-the destination.
-.Pp
-The default route (0.0.0.0) is an illegal destination for a static
-route.  To specify the default route, use the
-.Nm routers
-option.
-.Pp
-.Nm option
-.Nm trailer-encapsulation
-.Ar flag
-.Pp
-This option specifies whether or not the client should negotiate the
-use of trailers (RFC 893 [14]) when using the ARP protocol.  A value
-of 0 indicates that the client should not attempt to use trailers.  A
-value of 1 means that the client should attempt to use trailers.
-.Pp
-.Nm option
-.Nm arp-cache-timeout
-.Ar uint32
-.Pp
-This option specifies the timeout in seconds for ARP cache entries.
-.Pp
-.Nm option
-.Nm ieee802.3-encapsulation
-.Ar flag
-.Pp
-This option specifies whether or not the client should use Ethernet
-Version 2 (RFC 894) or IEEE 802.3 (RFC 1042) encapsulation if the
-interface is an Ethernet.  A value of 0 indicates that the client
-should use RFC 894 encapsulation.  A value of 1 means that the client
-should use RFC 1042 encapsulation.
-.Pp
-.Nm option
-.Nm default-tcp-ttl
-.Ar uint8
-.Pp
-This option specifies the default TTL that the client should use when
-sending TCP segments.  The minimum value is 1.
-.Pp
-.Nm option
-.Nm tcp-keepalive-interval
-.Ar uint32
-.Pp
-This option specifies the interval (in seconds) that the client TCP
-should wait before sending a keepalive message on a TCP connection.
-The time is specified as a 32-bit unsigned integer.  A value of zero
-indicates that the client should not generate keepalive messages on
-connections unless specifically requested by an application.
-.Pp
-.Nm option
-.Nm tcp-keepalive-garbage
-.Ar flag
-.Pp
-This option specifies the whether or not the client should send TCP
-keepalive messages with a octet of garbage for compatibility with
-older implementations.  A value of 0 indicates that a garbage octet
-should not be sent. A value of 1 indicates that a garbage octet
-should be sent.
-.Pp
-.Nm option
-.Nm nis-domain
-.Ar string
-.Pp
-This option specifies the name of the client's NIS (Sun Network
-Information Services) domain.  The domain is formatted as a character
-string consisting of characters from the NVT ASCII character set.
-.Pp
-.Nm option
-.Nm nis-servers
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-This option specifies a list of IP addresses indicating NIS servers
-available to the client.  Servers should be listed in order of
-preference.
-.Pp
-.Nm option
-.Nm ntp-servers
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-This option specifies a list of IP addresses indicating NTP (RFC 1035)
-servers available to the client.  Servers should be listed in order
-of preference.
-.Pp
-.Nm option
-.Nm netbios-name-servers
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-The NetBIOS name server (NBNS) option specifies a list of RFC
-1001/1002 NBNS name servers listed in order of preference.
-.Pp
-.Nm option
-.Nm netbios-dd-server
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-The NetBIOS datagram distribution server (NBDD) option specifies a
-list of RFC 1001/1002 NBDD servers listed in order of preference.
-.Pp
-.Nm option
-.Nm netbios-node-type
-.Ar uint8
-.Pp
-The NetBIOS node type option allows NetBIOS over TCP/IP clients which
-are configurable to be configured as described in RFC 1001/1002.  The
-value is specified as a single octet which identifies the client type.
-A value of 1 corresponds to a NetBIOS B-node; a value of 2 corresponds
-to a P-node; a value of 4 corresponds to an M-node; a value of 8
-corresponds to an H-node.
-.Pp
-.Nm option
-.Nm netbios-scope
-.Ar string
-.Pp
-The NetBIOS scope option specifies the NetBIOS over TCP/IP scope
-parameter for the client as specified in RFC 1001/1002. See RFC1001,
-RFC1002, and RFC1035 for character-set restrictions.
-.Pp
-.Nm option
-.Nm font-servers
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-This option specifies a list of X Window System Font servers available
-to the client. Servers should be listed in order of preference.
-.Pp
-.Nm option
-.Nm x-display-manager
-.Ar ip-address [
-,
-.Ar ip-address
-.Ar ... ]
-.Pp
-This option specifies a list of systems that are running the X Window
-System Display Manager and are available to the client.  Addresses
-should be listed in order of preference.
-.Sh SEE ALSO
-.Xr dhcpd.conf 5 ,
-.Xr dhcpd.leases 5
-.Sh AUTHOR
-.Xr dhcpd 8
-was written by Ted Lemon
-.Nm <mellon@vix.com>
-under a contract with Vixie Labs.   Funding
-for this project was provided by the Internet Software Corporation.
-Information about the Internet Software Consortium can be found at
-.Nm http://www.isc.org/isc .
diff --git a/server/dhcpd.conf.cat5 b/server/dhcpd.conf.cat5
deleted file mode 100644
index 1595c58e..00000000
--- a/server/dhcpd.conf.cat5
+++ /dev/null
@@ -1,437 +0,0 @@
-dhcpd.conf(5)             NetBSD Programmer's Manual             dhcpd.conf(5)
-
-NNAAMMEE
-     ddhhccppdd..ccoonnff - dhcpd configuration file
-
-DDEESSCCRRIIPPTTIIOONN
-     The dhcpd.conf(5) file contains configuration information for dhcpd(8),
-     the Dynamic Host Configuration Protocol daemon.   A primer on configuring
-     ddhhccppdd is included in dhcpd(8).  This document describes the format of the
-     file in detail, and is probably a better reference than a primer.
-
-     The ddhhccppdd..ccoonnff file is a free-form ASCII text file.   It is parsed by a
-     recursive-descent parser.   Statements in the file may contain extra tabs
-     and newlines for formatting purposes.   Each statement in the file is
-     terminated by a semicolon.   Keywords in the file are case-insensitive.
-
-     There are currently two statements that can meaningfully appear in the
-     file--the ssuubbnneett statement, and the hhoosstt statement.
-
-TThhee SSUUBBNNEETT ssttaatteemmeenntt
-     ssuubbnneett _s_u_b_n_e_t_-_n_u_m_b_e_r nneettmmaasskk _n_e_t_m_a_s_k [_c_l_a_u_s_e_s];
-
-     _s_u_b_n_e_t_-_n_u_m_b_e_r should be an IP address or DNS name which resolves to the
-     subnet number of the subnet being described.  _n_e_t_m_a_s_k should be an IP ad-
-     dress or DNS name which resolves to the subnet mask of the subnet being
-     described. These are the only required fields in a subnet declaration,
-     although it may be desirable to add one or more of the following clauses.
-
-     Subnets for which addresses will be dynamically allocated must have one
-     or more addresses reserved for future allocation by ddhhccppdd. These address-
-     es are allocated using the rraannggee clause.
-
-     rraannggee _l_o_w_e_s_t_-_a_d_d_r_e_s_s _h_i_g_h_e_s_t_-_a_d_d_r_e_s_s
-
-     _L_o_w_e_s_t_-_a_d_d_r_e_s_s should be the lowest address in the range that may be as-
-     signed by ddhhccppdd to a DHCP client.  _H_i_g_h_e_s_t_-_a_d_d_r_e_s_s should be the highest
-     address in the range that may be assigned by ddhhccppdd. If there is only one
-     address in a range, it must be specified as both the lowest and highest
-     addresses.  As many rraannggee clauses as are needed may be specified in any
-     given ssuubbnneett statement.
-
-     ddeeffaauulltt--lleeaassee--ttiimmee _t_i_m_e
-
-     _T_i_m_e should be the expiration time in seconds that will be assigned to a
-     lease if the client requesting the lease does not ask for a specific ex-
-     piration time.   This clause may only appear once in each ssuubbnneett state-
-     ment.
-
-     mmaaxx--lleeaassee--ttiimmee _t_i_m_e
-
-     _T_i_m_e should be the maximum expiration time in seconds that will be as-
-     signed to a lease if the client requesting the lease asks for a specific
-     expiration time.   This clause may only appear once in each ssuubbnneett state-
-     ment.
-
-     ooppttiioonn _o_p_t_i_o_n_-_d_e_c_l_a_r_a_t_i_o_n
-
-     Any number of ddhhccppdd..ccoonnff option clauses may appear in a subnet statement.
-     The syntax of option declarations is described later in this document.
-
-TThhee HHOOSSTT ssttaatteemmeenntt
-     hhoosstt _h_o_s_t_n_a_m_e [_c_l_a_u_s_e_s];
-
-     There must be at least one hhoosstt statement for every BOOTP client that is
-     to be served.  _h_o_s_t_n_a_m_e should be a name identifying the host.   It is
-     for labelling purposes only, and is not used in the BOOTP protocol.
-
-     hhaarrddwwaarree _h_a_r_d_w_a_r_e_-_t_y_p_e _h_a_r_d_w_a_r_e_-_a_d_d_r_e_s_s
-
-     In order for a BOOTP client to be recognized, its network hardware ad-
-     dress must be declared using a hhaarrddwwaarree clause in the hhoosstt statement.
-     Only one such clause can appear in any host statement.  _h_a_r_d_w_a_r_e_-_t_y_p_e
-     must be the name of a physical hardware interface type.   Currently, only
-     the eetthheerrnneett type is recognized, although support for ttookkeenn--rriinngg and ffddddii
-     hardware types will be added soon.  The _h_a_r_d_w_a_r_e_-_a_d_d_r_e_s_s should be a set
-     of hexadecimal octets (numbers from 0 through ff) seperated by colons.
-
-     ffiilleennaammee _f_i_l_e_n_a_m_e
-
-     If the BOOTP client needs to load a boot file (for example, a kernel or
-     configuration file), the name of this file may be provided to the client
-     using the ffiilleennaammee clause.   The _f_i_l_e_n_a_m_e should be a filename recogniz-
-     able to whatever file transfer protocol the client can be expected to use
-     to load the file.
-
-     ffiixxeedd--aaddddrreessss _a_d_d_r_e_s_s
-
-     BOOTP clients must be assigned fixed IP addresses.   The ffiixxeedd--aaddddrreessss
-     clause is used to associate a fixed IP address with a BOOTP client.
-     _A_d_d_r_e_s_s should be either an IP address or a DNS name which resolves to a
-     single IP address.
-
-     ooppttiioonn _o_p_t_i_o_n_-_d_e_c_l_a_r_a_t_i_o_n
-
-     Any number of ddhhccppdd..ccoonnff option clauses may appear in a host statement.
-     The syntax of option declarations is described later in this document.
-     If an option clause in a hhoosstt statement conflicts with an option clause
-     in the ssuubbnneett statement for the subnet containing that host, the option
-     clause in the hhoosstt statement is used.
-
-OOppttiioonn DDeeccllaarraattiioonnss
-     Option declarations always start with the ooppttiioonn keyword, followed by an
-     option name, followed by option data.   The option names and data formats
-     are described below.   Many of the options described below which set IP
-     or TCP parameters have default values which will generally work perfectly
-     well, so only those options whose values must be set explicitly should be
-     included in ssuubbnneett or hhoosstt statements.
-
-     Option data comes in a variety of formats.   In order to avoid having to
-     explain the formats along with each option definition below, a number of
-     data types have been defined.
-
-     The ip-address data type can be entered either as an explicit IP address
-     (e.g., 239.254.197.10) or as a domain name (e.g., haagen.isc.org).  When
-     entering a domain name, be sure that that domain name resolves to a sin-
-     gle IP address.
-
-     The int32 data type specifies a signed 32-bit integer.   The uint32 data
-     type specifies an unsigned 32-bit integer.   The int16 and uint16 data
-     types specify signed and unsigned 16-bit integers.   The int8 and uint8
-     data types specify signed and unsigned 8-bit integers.  Unsigned 8-bit
-     integers are also sometimes referred to as octets.
-
-     The string data type specifies an NVT ASCII string, which must be en-
-     closed in double quotes - for example, to specify a domain-name option,
-     the syntax would be
-
-          option domain-name "isc.org"
-
-     The flag data type specifies a one-bit (boolean) number.
-
-
-     The documentation for the various options mentioned below is taken from
-     the latest IETF draft document on DHCP options.
-
-     ooppttiioonn ssuubbnneett--mmaasskk _i_p_-_a_d_d_r_e_s_s
-
-     The subnet mask option specifies the client's subnet mask as per RFC 950.
-
-     ooppttiioonn ttiimmee--ooffffsseett _i_n_t_3_2
-
-     The time-offset option specifies the offset of the client's subnet in
-     seconds from Coordinated Universal Time (UTC).
-
-     ooppttiioonn rroouutteerrss _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     The routers option specifies a list of IP addresses for routers on the
-     client's subnet.  Routers should be listed in order of preference.
-
-     ooppttiioonn ttiimmee--sseerrvveerrss _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     The time-server option specifies a list of RFC 868 time servers available
-     to the client.  Servers should be listed in order of preference.
-
-     ooppttiioonn nnaammee--sseerrvveerrss _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     The name-servers option specifies a list of IEN 116 name servers avail-
-     able to the client.  Servers should be listed in order of preference.
-
-     ooppttiioonn ddoommaaiinn--nnaammee--sseerrvveerrss _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     The domain-name-servers option specifies a list of Domain Name System
-     (STD 13, RFC 1035) name servers available to the client.  Servers should
-     be listed in order of preference.
-
-     ooppttiioonn lloogg--sseerrvveerrss _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     The log-server option specifies a list of MIT-LCS UDP log servers avail-
-     able to the client.  Servers should be listed in order of preference.
-
-     ooppttiioonn ccooookkiiee--sseerrvveerrss _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     The cookie server option specifies a list of RFC 865 cookie servers
-     available to the client.  Servers should be listed in order of prefer-
-     ence.
-
-     ooppttiioonn llpprr--sseerrvveerrss _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     The LPR server option specifies a list of RFC 1179 line printer servers
-     available to the client.  Servers should be listed in order of prefer-
-     ence.
-
-     ooppttiioonn iimmpprreessss--sseerrvveerrss _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     The impress-server option specifies a list of Imagen Impress servers
-     available to the client.  Servers should be listed in order of prefer-
-     ence.
-
-     ooppttiioonn rreessoouurrccee--llooccaattiioonn--sseerrvveerrss _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     This option specifies a list of RFC 887 Resource Location servers avail-
-     able to the client.  Servers should be listed in order of preference.
-
-     ooppttiioonn hhoosstt--nnaammee _s_t_r_i_n_g
-
-     This option specifies the name of the client.  The name may or may not be
-     qualified with the local domain name (it is preferable to use the domain-
-     name option to specify the domain name).  See RFC 1035 for character set
-     restrictions.
-
-     ooppttiioonn bboooott--ssiizzee _u_i_n_t_1_6
-
-     This option specifies the length in 512-octet blocks of the default boot
-     image for the client.
-
-     ooppttiioonn mmeerriitt--dduummpp _s_t_r_i_n_g
-
-     This option specifies the path-name of a file to which the client's core
-     image should be dumped in the event the client crashes.  The path is for-
-     matted as a character string consisting of characters from the NVT ASCII
-     character set.
-
-     ooppttiioonn ddoommaaiinn--nnaammee _s_t_r_i_n_g
-
-     This option specifies the domain name that client should use when resolv-
-     ing hostnames via the Domain Name System.
-
-     ooppttiioonn sswwaapp--sseerrvveerr _i_p_-_a_d_d_r_e_s_s
-
-     This specifies the IP address of the client's swap server.
-
-     ooppttiioonn rroooott--ppaatthh _s_t_r_i_n_g
-
-     This option specifies the path-name that contains the client's root disk.
-     The path is formatted as a character string consisting of characters from
-     the NVT ASCII character set.
-
-     ooppttiioonn iipp--ffoorrwwaarrddiinngg _f_l_a_g
-
-     This option specifies whether the client should configure its IP layer
-     for packet forwarding.  A value of 0 means disable IP forwarding, and a
-     value of 1 means enable IP forwarding.
-
-     ooppttiioonn nnoonn--llooccaall--ssoouurrccee--rroouuttiinngg _f_l_a_g
-
-     This option specifies whether the client should configure its IP layer to
-     allow forwarding of datagrams with non-local source routes (see Section
-     3.3.5 of [4] for a discussion of this topic).  A value of 0 means disal-
-     low forwarding of such datagrams, and a value of 1 means allow forward-
-     ing.
-
-     ooppttiioonn ppoolliiccyy--ffiilltteerr _i_p_-_a_d_d_r_e_s_s _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     This option specifies policy filters for non-local source routing.  The
-     filters consist of a list of IP addresses and masks which specify desti-
-     nation/mask pairs with which to filter incoming source routes.
-
-     Any source routed datagram whose next-hop address does not match one of
-     the filters should be discarded by the client.
-
-     See STD 3 (RFC1122) for further information.
-
-     ooppttiioonn mmaaxx--ddggrraamm--rreeaasssseemmbbllyy _u_i_n_t_1_6
-
-     This option specifies the maximum size datagram that the client should be
-     prepared to reassemble.  The minimum value legal value is 576.
-
-     ooppttiioonn ddeeffaauulltt--iipp--ttttll _u_i_n_t_8
-
-     This option specifies the default time-to-live that the client should use
-     on outgoing datagrams.
-
-
-     ooppttiioonn ppaatthh--mmttuu--aaggiinngg--ttiimmeeoouutt _u_i_n_t_3_2
-
-     This option specifies the timeout (in seconds) to use when aging Path MTU
-     values discovered by the mechanism defined in RFC 1191.
-
-     ooppttiioonn ppaatthh--mmttuu--ppllaatteeaauu--ttaabbllee _u_i_n_t_1_6 [ , _u_i_n_t_1_6 _._._.]
-
-     This option specifies a table of MTU sizes to use when performing Path
-     MTU Discovery as defined in RFC 1191.  The table is formatted as a list
-     of 16-bit unsigned integers, ordered from smallest to largest.  The mini-
-     mum MTU value cannot be smaller than 68.
-
-     ooppttiioonn iinntteerrffaaccee--mmttuu _u_i_n_t_1_6
-
-     This option specifies the MTU to use on this interface.   The minimum le-
-     gal value for the MTU is 68.
-
-     ooppttiioonn aallll--ssuubbnneettss--llooccaall _f_l_a_g This option specifies whether or not the
-     client may assume that all subnets of the IP network to which the client
-     is connected use the same MTU as the subnet of that network to which the
-     client is directly connected.  A value of 1 indicates that all subnets
-     share the same MTU.  A value of 0 means that the client should assume
-     that some subnets of the directly connected network may have smaller
-     MTUs.
-
-     ooppttiioonn bbrrooaaddccaasstt--aaddddrreessss _i_p_-_a_d_d_r_e_s_s
-
-     This option specifies the broadcast address in use on the client's sub-
-     net.  Legal values for broadcast addresses are specified in section
-     3.2.1.3 of STD 3 (RFC1122).
-
-     ooppttiioonn ppeerrffoorrmm--mmaasskk--ddiissccoovveerryy _f_l_a_g
-
-     This option specifies whether or not the client should perform subnet
-     mask discovery using ICMP.  A value of 0 indicates that the client should
-     not perform mask discovery.  A value of 1 means that the client should
-     perform mask discovery.
-
-     ooppttiioonn mmaasskk--ssuupppplliieerr _f_l_a_g
-
-     This option specifies whether or not the client should respond to subnet
-     mask requests using ICMP.  A value of 0 indicates that the client should
-     not respond.  A value of 1 means that the client should respond.
-
-     ooppttiioonn rroouutteerr--ddiissccoovveerryy _f_l_a_g
-
-     This option specifies whether or not the client should solicit routers
-     using the Router Discovery mechanism defined in RFC 1256.  A value of 0
-     indicates that the client should not perform router discovery.  A value
-     of 1 means that the client should perform router discovery.
-
-     ooppttiioonn rroouutteerr--ssoolliicciittaattiioonn--aaddddrreessss _i_p_-_a_d_d_r_e_s_s
-
-     This option specifies the address to which the client should transmit
-     router solicitation requests.
-
-     ooppttiioonn ssttaattiicc--rroouutteess _i_p_-_a_d_d_r_e_s_s _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     This option specifies a list of static routes that the client should in-
-     stall in its routing cache.  If multiple routes to the same destination
-     are specified, they are listed in descending order of priority.
-
-     The routes consist of a list of IP address pairs.  The first address is
-     the destination address, and the second address is the router for the
-     destination.
-
-
-     The default route (0.0.0.0) is an illegal destination for a static route.
-     To specify the default route, use the rroouutteerrss option.
-
-     ooppttiioonn ttrraaiilleerr--eennccaappssuullaattiioonn _f_l_a_g
-
-     This option specifies whether or not the client should negotiate the use
-     of trailers (RFC 893 [14]) when using the ARP protocol.  A value of 0 in-
-     dicates that the client should not attempt to use trailers.  A value of 1
-     means that the client should attempt to use trailers.
-
-     ooppttiioonn aarrpp--ccaacchhee--ttiimmeeoouutt _u_i_n_t_3_2
-
-     This option specifies the timeout in seconds for ARP cache entries.
-
-     ooppttiioonn iieeeeee880022..33--eennccaappssuullaattiioonn _f_l_a_g
-
-     This option specifies whether or not the client should use Ethernet Ver-
-     sion 2 (RFC 894) or IEEE 802.3 (RFC 1042) encapsulation if the interface
-     is an Ethernet.  A value of 0 indicates that the client should use RFC
-     894 encapsulation.  A value of 1 means that the client should use RFC
-     1042 encapsulation.
-
-     ooppttiioonn ddeeffaauulltt--ttccpp--ttttll _u_i_n_t_8
-
-     This option specifies the default TTL that the client should use when
-     sending TCP segments.  The minimum value is 1.
-
-     ooppttiioonn ttccpp--kkeeeeppaalliivvee--iinntteerrvvaall _u_i_n_t_3_2
-
-     This option specifies the interval (in seconds) that the client TCP
-     should wait before sending a keepalive message on a TCP connection.  The
-     time is specified as a 32-bit unsigned integer.  A value of zero indi-
-     cates that the client should not generate keepalive messages on connec-
-     tions unless specifically requested by an application.
-
-     ooppttiioonn ttccpp--kkeeeeppaalliivvee--ggaarrbbaaggee _f_l_a_g
-
-     This option specifies the whether or not the client should send TCP
-     keepalive messages with a octet of garbage for compatibility with older
-     implementations.  A value of 0 indicates that a garbage octet should not
-     be sent. A value of 1 indicates that a garbage octet should be sent.
-
-     ooppttiioonn nniiss--ddoommaaiinn _s_t_r_i_n_g
-
-     This option specifies the name of the client's NIS (Sun Network Informa-
-     tion Services) domain.  The domain is formatted as a character string
-     consisting of characters from the NVT ASCII character set.
-
-     ooppttiioonn nniiss--sseerrvveerrss _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     This option specifies a list of IP addresses indicating NIS servers
-     available to the client.  Servers should be listed in order of prefer-
-     ence.
-
-     ooppttiioonn nnttpp--sseerrvveerrss _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     This option specifies a list of IP addresses indicating NTP (RFC 1035)
-     servers available to the client.  Servers should be listed in order of
-     preference.
-
-     ooppttiioonn nneettbbiiooss--nnaammee--sseerrvveerrss _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     The NetBIOS name server (NBNS) option specifies a list of RFC 1001/1002
-     NBNS name servers listed in order of preference.
-
-
-     ooppttiioonn nneettbbiiooss--dddd--sseerrvveerr _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     The NetBIOS datagram distribution server (NBDD) option specifies a list
-     of RFC 1001/1002 NBDD servers listed in order of preference.
-
-     ooppttiioonn nneettbbiiooss--nnooddee--ttyyppee _u_i_n_t_8
-
-     The NetBIOS node type option allows NetBIOS over TCP/IP clients which are
-     configurable to be configured as described in RFC 1001/1002.  The value
-     is specified as a single octet which identifies the client type.  A value
-     of 1 corresponds to a NetBIOS B-node; a value of 2 corresponds to a P-
-     node; a value of 4 corresponds to an M-node; a value of 8 corresponds to
-     an H-node.
-
-     ooppttiioonn nneettbbiiooss--ssccooppee _s_t_r_i_n_g
-
-     The NetBIOS scope option specifies the NetBIOS over TCP/IP scope parame-
-     ter for the client as specified in RFC 1001/1002. See RFC1001, RFC1002,
-     and RFC1035 for character-set restrictions.
-
-     ooppttiioonn ffoonntt--sseerrvveerrss _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     This option specifies a list of X Window System Font servers available to
-     the client. Servers should be listed in order of preference.
-
-     ooppttiioonn xx--ddiissppllaayy--mmaannaaggeerr _i_p_-_a_d_d_r_e_s_s [ , _i_p_-_a_d_d_r_e_s_s _._._.]
-
-     This option specifies a list of systems that are running the X Window
-     System Display Manager and are available to the client.  Addresses should
-     be listed in order of preference.
-
-SSEEEE AALLSSOO
-     dhcpd.conf(5),  dhcpd.leases(5)
-
-AAUUTTHHOORR
-     dhcpd(8) was written by Ted Lemon <<mmeelllloonn@@vviixx..ccoomm>> under a contract with
-     Vixie Labs.   Funding for this project was provided by the Internet Soft-
-     ware Corporation.  Information about the Internet Software Consortium can
-     be found at hhttttpp::////wwwwww..iisscc..oorrgg//iisscc.
-
-                                 March 6, 1996                               7