2 * $Id: icmp_timestamp.c,v 1.1.1.1 2000/05/25 00:28:49 route Exp $
5 * icmp_timestamp.c - ICMP_TSTAMP Packet assembly tester
7 * Copyright (c) 1998, 1999, 2000 Mike D. Schiffman <mike@infonexus.com>
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include "../../include/config.h"
36 #include "../libnet_test.h"
39 main(int argc, char **argv)
43 u_long src_ip, dst_ip;
45 printf("ICMP_TSTAMP packet building/writing test\n");
49 while((c = getopt(argc, argv, "d:s:")) != EOF)
54 if (!(dst_ip = libnet_name_resolve(optarg, 1)))
56 fprintf(stderr, "Bad destination IP address: %s\n", optarg);
61 if (!(src_ip = libnet_name_resolve(optarg, 1)))
63 fprintf(stderr, "Bad source IP address: %s\n", optarg);
69 if (!src_ip || !dst_ip)
76 * Get our block of memory for the packet. In this case, we only need
77 * memory for the packet headers, but we'll all we can!
79 if (libnet_init_packet(IP_MAXPACKET, &buf) == -1)
81 perror("No memory for packet header");
86 * Open our raw IP socket and set IP_HDRINCL.
88 sock = libnet_open_raw_sock(IPPROTO_RAW);
96 * Build the IP header (shown exploded for commenting).
98 libnet_build_ip(LIBNET_ICMP_TS_H, /* Size of the payload */
99 IPTOS_LOWDELAY | IPTOS_THROUGHPUT, /* IP tos */
103 IPPROTO_ICMP, /* Transport protocol */
104 src_ip, /* Source IP */
105 dst_ip, /* Destination IP */
106 NULL, /* Pointer to payload (none) */
108 buf); /* Packet header memory */
111 * Build the ICMP header.
113 libnet_build_icmp_timestamp(ICMP_TSTAMP, /* type */
120 NULL, /* pointer to payload */
121 0, /* size of payload */
122 buf + LIBNET_IP_H); /* packet header memory */
124 if (libnet_do_checksum(buf, IPPROTO_ICMP, LIBNET_ICMP_TS_H) == -1)
126 fprintf(stderr, "Can't do checksum!\n");
130 * Write the packet to the network.
132 c = libnet_write_ip(sock, buf, LIBNET_ICMP_TS_H + LIBNET_IP_H);
133 if (c < LIBNET_ICMP_TS_H + LIBNET_IP_H)
135 fprintf(stderr, "write_ip\n");
137 printf("Completed, wrote %d bytes\n", c);
138 libnet_destroy_packet(&buf);
140 return (c == -1 ? EXIT_FAILURE : EXIT_SUCCESS);
147 fprintf(stderr, "usage: %s -s source_ip -d destination_ip\n ", name);