Teach tcpdump to print out router advertisement and solicitation messages.
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=13488
@ -21,7 +21,7 @@
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#ifndef lint
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static char rcsid[] =
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"@(#) $Header: print-icmp.c,v 1.20 94/06/14 20:17:39 leres Exp $ (LBL)";
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"@(#) $Header: /home/ncvs/src/usr.sbin/tcpdump/tcpdump/print-icmp.c,v 1.2 1995/03/08 12:52:32 olah Exp $ (LBL)";
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#endif
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#include <sys/param.h>
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@ -162,6 +162,13 @@ icmp_print(register const u_char *bp, register const u_char *bp2)
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case ICMP_ECHO:
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str = "echo request";
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break;
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case ICMP_ROUTERADVERT:
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(void)sprintf(buf, "router advert, %d rtrs, lifetime %d",
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dp->icmp_num_addrs, ntohs(dp->icmp_lifetime));
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break;
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case ICMP_ROUTERSOLICIT:
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str = "router solicitation";
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break;
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case ICMP_TIMXCEED:
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TCHECK(dp->icmp_ip.ip_dst, sizeof(dp->icmp_ip.ip_dst));
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switch (dp->icmp_code) {
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