| traceroute6.c (103133) | traceroute6.c (108533) |
|---|---|
| 1/* $KAME: traceroute6.c,v 1.42 2001/05/08 04:36:41 itojun Exp $ */ 2 3/* 4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 62 unchanged lines hidden (view full) --- 71 The Regents of the University of California. All rights reserved.\n"; 72#endif /* not lint */ 73 74#ifndef lint 75#if 0 76static char sccsid[] = "@(#)traceroute.c 8.1 (Berkeley) 6/6/93"; 77#endif 78static const char rcsid[] = | 1/* $KAME: traceroute6.c,v 1.42 2001/05/08 04:36:41 itojun Exp $ */ 2 3/* 4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 62 unchanged lines hidden (view full) --- 71 The Regents of the University of California. All rights reserved.\n"; 72#endif /* not lint */ 73 74#ifndef lint 75#if 0 76static char sccsid[] = "@(#)traceroute.c 8.1 (Berkeley) 6/6/93"; 77#endif 78static const char rcsid[] = |
| 79 "$FreeBSD: head/usr.sbin/traceroute6/traceroute6.c 103133 2002-09-09 16:43:18Z nectar $"; | 79 "$FreeBSD: head/usr.sbin/traceroute6/traceroute6.c 108533 2003-01-01 18:49:04Z schweikh $"; |
| 80#endif /* not lint */ 81 82/* 83 * traceroute host - trace the route ip packets follow going to "host". 84 * 85 * Attempt to trace the route an ip packet would follow to some 86 * internet host. We find out intermediate hops by launching probe 87 * packets with a small ttl (time to live) then listening for an --- 112 unchanged lines hidden (view full) --- 200 * ----- 201 * This program must be run by root or be setuid. (I suggest that 202 * you *don't* make it setuid -- casual use could result in a lot 203 * of unnecessary traffic on our poor, congested nets.) 204 * 205 * This program requires a kernel mod that does not appear in any 206 * system available from Berkeley: A raw ip socket using proto 207 * IPPROTO_RAW must interpret the data sent as an ip datagram (as | 80#endif /* not lint */ 81 82/* 83 * traceroute host - trace the route ip packets follow going to "host". 84 * 85 * Attempt to trace the route an ip packet would follow to some 86 * internet host. We find out intermediate hops by launching probe 87 * packets with a small ttl (time to live) then listening for an --- 112 unchanged lines hidden (view full) --- 200 * ----- 201 * This program must be run by root or be setuid. (I suggest that 202 * you *don't* make it setuid -- casual use could result in a lot 203 * of unnecessary traffic on our poor, congested nets.) 204 * 205 * This program requires a kernel mod that does not appear in any 206 * system available from Berkeley: A raw ip socket using proto 207 * IPPROTO_RAW must interpret the data sent as an ip datagram (as |
| 208 * opposed to data to be wrapped in a ip datagram). See the README | 208 * opposed to data to be wrapped in an ip datagram). See the README |
| 209 * file that came with the source to this program for a description 210 * of the mods I made to /sys/netinet/raw_ip.c. Your mileage may 211 * vary. But, again, ANY 4.x (x < 4) BSD KERNEL WILL HAVE TO BE 212 * MODIFIED TO RUN THIS PROGRAM. 213 * 214 * The udp port usage may appear bizarre (well, ok, it is bizarre). 215 * The problem is that an icmp message only contains 8 bytes of 216 * data from the original datagram. 8 bytes is the size of a udp --- 1141 unchanged lines hidden --- | 209 * file that came with the source to this program for a description 210 * of the mods I made to /sys/netinet/raw_ip.c. Your mileage may 211 * vary. But, again, ANY 4.x (x < 4) BSD KERNEL WILL HAVE TO BE 212 * MODIFIED TO RUN THIS PROGRAM. 213 * 214 * The udp port usage may appear bizarre (well, ok, it is bizarre). 215 * The problem is that an icmp message only contains 8 bytes of 216 * data from the original datagram. 8 bytes is the size of a udp --- 1141 unchanged lines hidden --- |