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Greg Troxel <gdt@ir.bbn.com>

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[zebra 15715] FIX for ospf md5 authentication problem, finally!

fix copy of ospf packet buffer
This commit is contained in:
paul 2002-12-13 20:56:48 +00:00
parent 9483e15540
commit 30961a15cf
1 changed files with 13 additions and 2 deletions
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15
ospfd/ospf_packet.c
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@ -226,7 +226,13 @@ ospf_packet_dup (struct ospf_packet *op)
{
struct ospf_packet *new;
new = ospf_packet_new (op->length);
if (stream_get_endp(op->s) != op->length) {
zlog_warn ("ospf_packet_dup stream %d ospf_packet %d size mismatch",
STREAM_SIZE(op->s), op->length);
}
/* Reserve space for MD5 authentication that may be added later. */
new = ospf_packet_new (stream_get_endp(op->s) + OSPF_AUTH_MD5_SIZE);
ospf_stream_copy (new->s, op->s);
new->dst = op->dst;
@ -359,7 +365,12 @@ ospf_make_md5_digest (struct ospf_interface *oi, struct ospf_packet *op)
stream_set_putp (op->s, oldputp);
/* We do *NOT* increment the OSPF header length. */
op->length += OSPF_AUTH_MD5_SIZE;
op->length = ntohs (ospfh->length) + OSPF_AUTH_MD5_SIZE;
if (stream_get_endp(op->s) != op->length) {
zlog_warn("ospf_make_md5_digest: length mismatch stream %d ospf_packet %d",
stream_get_endp(op->s), op->length);
}
return OSPF_AUTH_MD5_SIZE;
}