diff options
Diffstat (limited to 'sysconfd')
| -rw-r--r-- | sysconfd/Makefile.dist | 92 | ||||
| -rw-r--r-- | sysconfd/sysconfd.c | 278 |
2 files changed, 370 insertions, 0 deletions
diff --git a/sysconfd/Makefile.dist b/sysconfd/Makefile.dist new file mode 100644 index 00000000..70c55c5d --- /dev/null +++ b/sysconfd/Makefile.dist @@ -0,0 +1,92 @@ +# Makefile.dist +# +# Copyright (c) 1997, 1998 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. +# + +CATMANPAGES = +SRCS = sysconfd.c +OBJS = sysconfd.o +PROG = sysconfd +MAN = + +DEBUG = -g +INCLUDES = -I.. -I../includes +DHCPLIB = ../common/libdhcp.a +CFLAGS = $(DEBUG) $(PREDEFINES) $(INCLUDES) $(COPTS) + +all: $(PROG) $(CATMANPAGES) + +install: $(PROG) $(CATMANPAGES) + @for dir in $(BINDIR) $(ADMMANDIR); do \ + case $$dir in \ + /*) base=/ ;; \ + *) base="" ;; \ + esac; \ + slash=""; \ + for elt in `echo $$dir |sed -e 's/\// /g'`; do \ + if [ ! -d $$base/$$elt ]; then \ + echo Making $$base/$$elt; \ + mkdir $$base/$$elt; \ + chmod 755 $$base/$$elt; \ + fi; \ + base=$$base$$slash$$elt; \ + slash=/; \ + done; \ + done + $(INSTALL) sysconfd $(BINDIR) + $(CHMOD) 755 $(BINDIR)/sysconfd +# $(MANINSTALL) $(MANFROM) sysconfd.cat8 $(MANTO) \ +# $(ADMMANDIR)/sysconfd$(ADMMANEXT) + +depend: + makedepend $(INCLUDES) $(PREDEFINES) $(SRCS) + +clean: + -rm -f $(OBJS) + +realclean: clean + -rm -f $(PROG) $(CATMANPAGES) *~ #* + +distclean: realclean + -rm -f Makefile + +# These should only be done on 4.4 BSD-based systems, since the mandoc +# macros aren't available on older unices. Catted man pages are +# provided in the distribution so that this doesn't become a problem. + +sysconfd.cat8: sysconfd.8 + sed -e "s#ETCDIR#$(ETC)#" -e "s#DBDIR#$(VARDB)#" \ + -e "s#RUNDIR#$(VARRUN)#" < sysconfd.8 \ + | nroff -man >sysconfd.cat8 + +$(PROG): $(OBJS) $(DHCPLIB) + $(CC) $(LFLAGS) -o $(PROG) $(OBJS) $(DHCPLIB) $(LIBS) + +# Dependencies (semi-automatically-generated) diff --git a/sysconfd/sysconfd.c b/sysconfd/sysconfd.c new file mode 100644 index 00000000..86a33512 --- /dev/null +++ b/sysconfd/sysconfd.c @@ -0,0 +1,278 @@ +/* main.c + + System configuration status daemon... + + !!!Boy, howdy, is this ever not guaranteed not to change!!! */ + +/* + * Copyright (c) 1997, 1998 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[] = +"$Id: sysconfd.c,v 1.6 1998/11/05 18:36:34 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium. All rights reserved.\n"; +#endif /* not lint */ + +#include "dhcpd.h" + +int sysconf_fd; + +struct sysconf_client { + struct sysconf_client *next; + int fd; +} *clients; + +static void new_connection PROTO ((struct protocol *)); +static void client_input PROTO ((struct protocol *)); + +int log_priority; +int log_perror; + +struct interface_info fallback_interface; +TIME cur_time; +u_int16_t local_port; + +/* Needed to prevent linking against conflex.c. */ +int lexline; +int lexchar; +char *token_line; +char *tlname; + +int dhcp_max_agent_option_packet_length; + +int main (argc, argv, envp) + int argc; + char **argv; + char **envp; +{ + struct sockaddr_un name; + int sysconf_fd; + int pid; + int len; + +#ifdef SYSLOG_4_2 + openlog ("sysconfd", LOG_NDELAY); + log_priority = LOG_DAEMON; +#else + openlog ("sysconfd", LOG_NDELAY, LOG_DAEMON); +#endif + +#if !(defined (DEBUG) || defined (SYSLOG_4_2) || defined (__CYGWIN32__)) + setlogmask (LOG_UPTO (LOG_INFO)); +#endif + + /* Make a socket... */ + sysconf_fd = socket (AF_UNIX, SOCK_STREAM, 0); + if (sysconf_fd < 0) + error ("unable to create sysconf socket: %m"); + + /* XXX for now... */ + name.sun_family = PF_UNIX; + strcpy (name.sun_path, "/var/run/sysconf"); +#if defined (HAVE_SA_LEN) + name.sun_len = +#endif + len = ((sizeof name) - (sizeof name.sun_path) + + strlen (name.sun_path)); + unlink (name.sun_path); + + /* Bind to it... */ + if (bind (sysconf_fd, (struct sockaddr *)&name, len) < 0) + error ("can't bind to sysconf socket: %m"); + + /* Listen for connections... */ + if (listen (sysconf_fd, 1) < 0) + error ("can't listen on sysconf socket: %m"); + + /* Stop logging to stderr... */ + log_perror = 0; + + /* Become a daemon... */ + if ((pid = fork ()) < 0) + error ("Can't fork daemon: %m"); + else if (pid) + exit (0); + + /* Become session leader... */ + (void)setsid (); + + /* Set up a protocol structure for it... */ + add_protocol ("listener", sysconf_fd, new_connection, 0); + + /* Kernel status stuff goes here... */ + + /* Wait for something to happen... */ + dispatch (); + + exit (0); +} + +void new_connection (proto) + struct protocol *proto; +{ + struct sockaddr_un name; + int namelen; + struct sysconf_client *tmp; + int new_fd; + + tmp = (struct sysconf_client *)malloc (sizeof *tmp); + if (!tmp) { + warn ("Can't find memory for new client!"); + return; + } + memset (tmp, 0, sizeof *tmp); + + namelen = sizeof name; + new_fd = accept (proto -> fd, (struct sockaddr *)&name, &namelen); + if (new_fd < 0) { + warn ("accept: %m"); + return; + } + + tmp -> next = clients; + tmp -> fd = new_fd; + clients = tmp; + + add_protocol ("aclient", new_fd, client_input, 0); +} + +void client_input (proto) + struct protocol *proto; +{ + struct sysconf_header hdr; + int status; + char *buf; + void (*handler) PROTO ((struct sysconf_header *, void *)); + struct sysconf_client *client; + + status = read (proto -> fd, &hdr, sizeof hdr); + if (status < 0) { + blow: + warn ("client_input: %m"); + close (proto -> fd); + remove_protocol (proto); + return; + } + if (status < sizeof (hdr)) { + warn ("client_input: short message"); + goto blow; + } + + if (hdr.length) { + buf = malloc (hdr.length); + if (!buf) { + warn ("client_input: can't buffer payload"); + goto blow; + } + status = read (proto -> fd, buf, hdr.length); + if (status < 0) { + warn ("client_input payload read: %m"); + goto blow; + } + if (status != hdr.length) { + warn ("client_input payload: short read"); + goto blow; + } + } else + buf = (char *)0; + + for (client = clients; client; client = client -> next) { + if (client -> fd == proto -> fd) + continue; + + status = write (client -> fd, &hdr, sizeof hdr); + if (status < 0) { + warn ("client_input: %m"); + continue; + } + if (status < sizeof (hdr)) { + warn ("client_input: short write"); + continue; + } + + if (hdr.length) { + status = write (client -> fd, buf, hdr.length); + if (status < 0) { + warn ("client_input payload write: %m"); + continue; + } + if (status != hdr.length) { + warn ("client_input payload: short write"); + continue; + } + } + } + + if (buf) + free (buf); +} + +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; +{ +} + +void dhcp (packet) + struct packet *packet; +{ +} + + +struct subnet *find_subnet (addr) + struct iaddr addr; +{ + return (struct subnet *)0; +} |