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[bgpd] bug #419: partial aspath-limit incorrectly causes session reset

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2008-06-01 jfletche@gmail.com

	* bgp_attr.c: (bgp_attr_aspathlimit) fix silly bug in flags check
	  that was causing BGP to drop sessions if it received a
	  aspath-limit with partial set. Fixes bug #419.
This commit is contained in:
Paul Jakma 2008-06-01 14:29:03 +00:00
parent 0e7c124f87
commit a15cfd16fc
2 changed files with 10 additions and 2 deletions
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7
bgpd/ChangeLog
View File

@ -1,4 +1,11 @@
2008-06-01 jfletche@gmail.com
* bgp_attr.c: (bgp_attr_aspathlimit) fix silly bug in flags check
that was causing BGP to drop sessions if it received a
aspath-limit with partial set. Fixes bug #419.
2008-04-10 Denis Ovsienko
* bgp_aspath.[ch]: (aspath_filter_exclude) New function allows
filtering out arbitrary ASns from AS_PATH attribute.
* bgp_aspath.[ch]: (aspath_print_vty) Accept suffix to let calling

5
bgpd/bgp_attr.c
View File

@ -695,7 +695,8 @@ bgp_attr_aspathlimit (struct peer *peer, bgp_size_t length,
total = length + (CHECK_FLAG (flag, BGP_ATTR_FLAG_EXTLEN) ? 4 : 3);
if (flag != (BGP_ATTR_FLAG_TRANS|BGP_ATTR_FLAG_OPTIONAL))
if (!CHECK_FLAG(flag, BGP_ATTR_FLAG_TRANS)
|| !CHECK_FLAG(flag, BGP_ATTR_FLAG_OPTIONAL))
{
zlog (peer->log, LOG_ERR,
"AS-Pathlimit attribute flag isn't transitive %d", flag);
@ -804,7 +805,7 @@ bgp_attr_aspath (struct peer *peer, bgp_size_t length,
|| ! CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS))
{
zlog (peer->log, LOG_ERR,
"Origin attribute flag isn't transitive %d", flag);
"As-Path attribute flag isn't transitive %d", flag);
bgp_notify_send_with_data (peer,
BGP_NOTIFY_UPDATE_ERR,
BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,