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Decode ICMP_UNREACH_FILTER_PROHIB responses as !F, from RFC1812.

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Suggested by: Bill Fenner <fenner@parc.xerox.com>

Additionally, print unrecognised ICMP_UNREACH codes numerically. eg, code
15 would show up as !<15>.
This commit is contained in:
Peter Wemm 1996-08-21 05:59:19 +00:00
parent e86f5a4cd3
commit 3f22340731
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=17737
1 changed files with 10 additions and 1 deletions
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11
usr.sbin/traceroute/traceroute.c
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@ -1,6 +1,6 @@
#ifndef lint
static char *rcsid =
"@(#)$Header: /home/ncvs/src/usr.sbin/traceroute/traceroute.c,v 1.8 1996/08/17 10:37:28 peter Exp $ (LBL)";
"@(#)$Header: /home/ncvs/src/usr.sbin/traceroute/traceroute.c,v 1.9 1996/08/21 04:31:28 peter Exp $ (LBL)";
#endif
/*
@ -620,6 +620,15 @@ main(int argc, char **argv)
++unreachable;
Printf(" !C");
break;
case ICMP_UNREACH_FILTER_PROHIB:
++unreachable;
Printf(" !F");
break;
default: /* unknown */
Printf(" !<%d>", i - 1);
break;
case -2: /* normal reply */
break;
}
break;
}