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libpcap
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From Brian Ginsbach: 

handle 65535-byte packets from the UNICOS/mp loopback interface;

	add a missing variable to "pcap_inject_snoop()".
This commit is contained in:
guy 2004-04-07 18:33:29 +00:00
parent 841b1f7f77
commit ffe68c0ab5
1 changed files with 15 additions and 3 deletions
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18
pcap-snoop.c
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@ -20,7 +20,7 @@
*/
#ifndef lint
static const char rcsid[] _U_ =
"@(#) $Header: /tcpdump/master/libpcap/pcap-snoop.c,v 1.52 2004-03-23 19:18:06 guy Exp $ (LBL)";
"@(#) $Header: /tcpdump/master/libpcap/pcap-snoop.c,v 1.53 2004-04-07 18:33:29 guy Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
@ -63,8 +63,8 @@ pcap_read_snoop(pcap_t *p, int cnt, pcap_handler callback, u_char *user)
{
int cc;
register struct snoopheader *sh;
register int datalen;
register int caplen;
register u_int datalen;
register u_int caplen;
register u_char *cp;
again:
@ -97,6 +97,16 @@ again:
}
sh = (struct snoopheader *)p->buffer;
datalen = sh->snoop_packetlen;
/*
* XXX - Sigh, snoop_packetlen is a 16 bit quantity. If we
* got a short length, but read a full sized snoop pakcet,
* assume we overflowed and add back the 64K...
*/
if (cc == (p->snapshot + sizeof(struct snoopheader)) &&
(datalen < p->snapshot))
datalen += (64 * 1024);
caplen = (datalen < p->snapshot) ? datalen : p->snapshot;
cp = (u_char *)(sh + 1) + p->offset; /* XXX */
@ -128,6 +138,8 @@ again:
static int
pcap_inject_snoop(pcap_t *p, const void *buf, size_t size)
{
int ret;
/*
* XXX - libnet overwrites the source address with what I
* presume is the interface's address; is that required?