Move libnet/ content to top of git repo

1. Moved scripts into libnet/scripts/, moved debian/ into libnet/,
and other top-level content into libnet/.
2. Moved libnet/* up to ./

1 files changed, 234 insertions, 0 deletions

diff --git a/sample/udp2.c b/sample/udp2.c
new file mode 100644
index 0000000..bd71c52
--- /dev/null
+++ b/sample/udp2.c
@@ -0,0 +1,234 @@
+/*
+ *  $Id: udp2.c,v 1.6 2004/03/01 20:26:12 mike Exp $
+ *
+ *  libnet 1.1
+ *  Build a UDP packet using port list chains
+ *
+ *  Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com>
+ *  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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ */
+
+#if (HAVE_CONFIG_H)
+#include "../include/config.h"
+#endif
+#include "./libnet_test.h"
+
+
+int
+main(int argc, char **argv)
+{
+    int c, build_ip;
+    struct timeval r;
+    struct timeval s;
+    struct timeval e;
+    libnet_t *l;
+    libnet_ptag_t udp;
+    char *payload;
+    libnet_ptag_t t;
+    struct libnet_stats ls;
+    uint16_t payload_s;
+    uint32_t src_ip, dst_ip;
+    uint16_t bport, eport, cport;
+    libnet_plist_t plist, *plist_p;
+    char errbuf[LIBNET_ERRBUF_SIZE];
+
+    printf("libnet 1.1.2 packet shaping: UDP2[link]\n");
+
+    l = libnet_init(
+            LIBNET_LINK,                            /* injection type */
+            NULL,                                   /* network interface */
+            errbuf);                                /* errbuf */
+ 
+    if (l == NULL)
+    {
+        fprintf(stderr, "libnet_init() failed: %s", errbuf);
+        exit(EXIT_FAILURE);
+    }
+
+    src_ip = 0;
+    dst_ip = 0;
+    payload = NULL;
+    payload_s = 0;
+    plist_p = NULL;
+    while ((c = getopt(argc, argv, "d:s:p:P:")) != EOF)
+    {
+        switch (c)
+        {
+            case 'd':
+                if ((dst_ip = libnet_name2addr4(l, optarg,
+                        LIBNET_RESOLVE)) == -1)
+                {
+                    fprintf(stderr, "Bad destination IP address: %s\n", optarg);                    
+                    exit(1);
+                }
+                break;
+            case 's':
+                if ((src_ip = libnet_name2addr4(l, optarg,
+                        LIBNET_RESOLVE)) == -1)
+                {
+                    fprintf(stderr, "Bad source IP address: %s\n", optarg);
+                    exit(1);
+                }
+                break;
+            case 'P':
+                plist_p = &plist;
+                if (libnet_plist_chain_new(l, &plist_p, optarg) == -1)
+                {
+                    fprintf(stderr, "Bad token in port list: %s\n",
+                            libnet_geterror(l));
+                    exit(1);
+                }
+                break;
+            case 'p':
+                payload = optarg;
+                payload_s = strlen(payload);
+                break;
+            default:
+                usage(argv[0]);
+                exit(EXIT_FAILURE);
+        }
+    }
+
+    if (!src_ip || !dst_ip || !plist_p)
+    {
+        usage(argv[0]);
+        exit(EXIT_FAILURE);
+    }
+
+    udp = 0;
+#if !(__WIN32__)
+    gettimeofday(&s, NULL);
+#else
+    /* This obviously is not as good - but it compiles now. */
+    s.tv_sec = time(NULL);
+    s.tv_usec = 0;
+#endif
+
+    build_ip = 1;
+    while (libnet_plist_chain_next_pair(plist_p, &bport, &eport))
+    {
+        while (!(bport > eport) && bport != 0)
+        {
+            cport = bport++;
+            udp = libnet_build_udp(
+                1025,                               /* source port */
+                cport,                              /* destination port */
+                LIBNET_UDP_H + payload_s,           /* packet size */
+                0,                                  /* checksum */
+                (uint8_t *)payload,                 /* payload */
+                payload_s,                          /* payload size */
+                l,                                  /* libnet handle */
+                udp);                               /* libnet id */
+            if (udp == -1)
+            {
+                fprintf(stderr, "Can't build UDP header (at port %d): %s\n", 
+                        cport, libnet_geterror(l));
+                goto bad;
+            }
+    if (build_ip)
+    {
+        build_ip = 0;
+        t = libnet_build_ipv4(
+            LIBNET_IPV4_H + LIBNET_UDP_H + payload_s,   /* length */
+            0,                                          /* TOS */
+            242,                                        /* IP ID */
+            0,                                          /* IP Frag */
+            64,                                         /* TTL */
+            IPPROTO_UDP,                                /* protocol */
+            0,                                          /* checksum */
+            src_ip,                                     /* source IP */
+            dst_ip,                                     /* destination IP */
+            NULL,                                       /* payload */
+            0,                                          /* payload size */
+            l,                                          /* libnet handle */
+            0);
+        if (t == -1)
+        {
+            fprintf(stderr, "Can't build IP header: %s\n", libnet_geterror(l));
+            goto bad;
+        }
+
+        t = libnet_build_ethernet(
+            enet_dst,                                   /* ethernet dest */
+            enet_src,                                   /* ethernet source */
+            ETHERTYPE_IP,                               /* protocol type */
+            NULL,                                       /* payload */
+            0,                                          /* payload size */
+            l,                                          /* libnet handle */
+            0);
+        if (t == -1)
+        {
+            fprintf(stderr, "Can't build ethernet header: %s\n",
+                    libnet_geterror(l));
+            goto bad;
+        }
+    }
+            c = libnet_write(l); 
+            if (c == -1)
+            {
+                fprintf(stderr, "write error: %s\n", libnet_geterror(l));
+            }
+            else
+            {
+               fprintf(stderr, "wrote %d byte UDP packet to port %d\r", c, 
+                       cport);
+            }
+        }
+        fprintf(stderr, "\n");
+    }
+
+#if !(__WIN32__)
+    gettimeofday(&e, NULL);
+#else
+    /* This obviously is not as good - but it compiles now. */
+    s.tv_sec = time(NULL);
+    s.tv_usec = 0;
+#endif
+
+    libnet_timersub(&e, &s, &r);
+    fprintf(stderr, "Total time spent in loop: %d.%d\n", (int)r.tv_sec,
+		    (int)r.tv_usec);
+
+    libnet_stats(l, &ls);
+    fprintf(stderr, "Packets sent:  %lld\n"
+                    "Packet errors: %lld\n"
+                    "Bytes written: %lld\n",
+                    (long long)ls.packets_sent, (long long)ls.packet_errors,
+		    (long long)ls.bytes_written);
+    libnet_destroy(l);
+    return (EXIT_SUCCESS);
+bad:
+    libnet_destroy(l);
+    return (EXIT_FAILURE);
+}
+
+
+void
+usage(char *name)
+{
+    fprintf(stderr, "usage: %s -s s_ip -d d_ip -P port list [-p payload]\n", name);
+}
+
+/* EOF */