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The "len" argument to capture routines should not be decremented as you 

move through the packet - it's the total length of captured data.

svn path=/trunk/; revision=10448
This commit is contained in:
Guy Harris 2004-03-23 01:58:19 +00:00
parent 84575bd160
commit 0611e105e8
1 changed files with 1 additions and 5 deletions
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6
packet-ipv6.c
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@ -1,7 +1,7 @@
/* packet-ipv6.c
* Routines for IPv6 packet disassembly
*
* $Id: packet-ipv6.c,v 1.101 2004/01/21 08:39:29 guy Exp $
* $Id: packet-ipv6.c,v 1.102 2004/03/23 01:58:19 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -124,7 +124,6 @@ capture_ipv6(const guchar *pd, int offset, int len, packet_counts *ld)
}
nxt = pd[offset+6]; /* get the "next header" value */
offset += 4+4+16+16; /* skip past the IPv6 header */
len -= 4+4+16+16;
again:
switch (nxt) {
@ -142,7 +141,6 @@ again:
return;
}
offset += advance;
len -= advance;
goto again;
case IP_PROTO_FRAGMENT:
if (!BYTES_ARE_IN_FRAME(offset, len, 2)) {
@ -156,7 +154,6 @@ again:
return;
}
offset += advance;
len -= advance;
goto again;
case IP_PROTO_AH:
if (!BYTES_ARE_IN_FRAME(offset, len, 2)) {
@ -170,7 +167,6 @@ again:
return;
}
offset += advance;
len -= advance;
goto again;
}