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Fixes bug in BGPv6 causing crash by checking missing attributes.

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This commit is contained in:
Ondrej Zajicek 2009-04-23 12:36:24 +02:00
parent e366625c0e
commit b9539e78d8
1 changed files with 10 additions and 8 deletions
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8
proto/bgp/attrs.c
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@ -1359,9 +1359,12 @@ bgp_decode_attrs(struct bgp_conn *conn, byte *attr, unsigned int len, struct lin
mandatory = 1;
#endif
/* If there is no (reachability) NLRI, we should exit now */
if (! mandatory)
return a;
/* Check if all mandatory attributes are present */
if (mandatory)
{
for(i=0; i < ARRAY_SIZE(bgp_mandatory_attrs); i++)
{
code = bgp_mandatory_attrs[i];
@ -1371,7 +1374,6 @@ bgp_decode_attrs(struct bgp_conn *conn, byte *attr, unsigned int len, struct lin
return NULL;
}
}
}
/* When receiving attributes from non-AS4-aware BGP speaker,
* we have to reconstruct 4B AS_PATH and AGGREGATOR attributes