1 files changed, 97 insertions, 0 deletions
diff --git a/main/quagga/quagga-revert-confed-check.patch b/main/quagga/quagga-revert-confed-check.patch
new file mode 100644
index 00000000000..3c76d1dd158
--- /dev/null
+++ b/main/quagga/quagga-revert-confed-check.patch
@@ -0,0 +1,97 @@
+From b6c5e59e39e9513232c4e26faf30218e820f38a8 Mon Sep 17 00:00:00 2001
+From: Timo Teras <timo.teras@iki.fi>
+Date: Thu, 8 Oct 2009 21:46:28 +0300
+Subject: [PATCH] Revert "bgpd: Implement BGP confederation error handling (RFC5065, Par. 5)"
+
+This reverts commit ca87e1d37b3c30648e9bacb476a3c89729512f6d.
+---
+ bgpd/bgp_aspath.c |   36 ------------------------------------
+ bgpd/bgp_aspath.h |    2 --
+ bgpd/bgp_attr.c   |   11 -----------
+ 3 files changed, 0 insertions(+), 49 deletions(-)
+
+diff --git a/bgpd/bgp_aspath.c b/bgpd/bgp_aspath.c
+index 440815b..e43d1f1 100644
+--- a/bgpd/bgp_aspath.c
++++ b/bgpd/bgp_aspath.c
+@@ -1122,42 +1122,6 @@ aspath_private_as_check (struct aspath *aspath)
+   return 1;
+ }
+ 
+-/* AS path confed check.  If aspath contains confed set or sequence then return 1. */
+-int
+-aspath_confed_check (struct aspath *aspath)
+-{
+-  struct assegment *seg;
+-
+-  if ( !(aspath && aspath->segments) )
+-    return 0;
+-
+-  seg = aspath->segments;
+-
+-  while (seg)
+-    {
+-      if (seg->type == AS_CONFED_SET || seg->type == AS_CONFED_SEQUENCE)
+-	  return 1;
+-      seg = seg->next;
+-    }
+-  return 0;
+-}
+-
+-/* Leftmost AS path segment confed check.  If leftmost AS segment is of type
+-  AS_CONFED_SEQUENCE or AS_CONFED_SET then return 1.  */
+-int
+-aspath_left_confed_check (struct aspath *aspath)
+-{
+-
+-  if ( !(aspath && aspath->segments) )
+-    return 0;
+-
+-  if ( (aspath->segments->type == AS_CONFED_SEQUENCE)
+-      || (aspath->segments->type == AS_CONFED_SET) )
+-    return 1;
+-
+-  return 0;
+-}
+-
+ /* Merge as1 to as2.  as2 should be uninterned aspath. */
+ static struct aspath *
+ aspath_merge (struct aspath *as1, struct aspath *as2)
+diff --git a/bgpd/bgp_aspath.h b/bgpd/bgp_aspath.h
+index 9854d18..2b4625c 100644
+--- a/bgpd/bgp_aspath.h
++++ b/bgpd/bgp_aspath.h
+@@ -88,8 +88,6 @@ extern unsigned int aspath_key_make (void *);
+ extern int aspath_loop_check (struct aspath *, as_t);
+ extern int aspath_private_as_check (struct aspath *);
+ extern int aspath_firstas_check (struct aspath *, as_t);
+-extern int aspath_confed_check (struct aspath *);
+-extern int aspath_left_confed_check (struct aspath *);
+ extern unsigned long aspath_count (void);
+ extern unsigned int aspath_count_hops (struct aspath *);
+ extern unsigned int aspath_count_confeds (struct aspath *);
+diff --git a/bgpd/bgp_attr.c b/bgpd/bgp_attr.c
+index 5e7536a..0668e9a 100644
+--- a/bgpd/bgp_attr.c
++++ b/bgpd/bgp_attr.c
+@@ -872,17 +872,6 @@ static int bgp_attr_aspath_check( struct peer *peer,
+ 
+   bgp = peer->bgp;
+     
+-  /* Confederation sanity check. */
+-  if ((peer_sort (peer) == BGP_PEER_CONFED && ! aspath_left_confed_check (attr->aspath)) ||
+-     (peer_sort (peer) == BGP_PEER_EBGP && aspath_confed_check (attr->aspath)))
+-    {
+-      zlog (peer->log, LOG_ERR, "Malformed AS path from %s", peer->host);
+-      bgp_notify_send (peer, 
+-		       BGP_NOTIFY_UPDATE_ERR, 
+-		       BGP_NOTIFY_UPDATE_MAL_AS_PATH);
+-      return -1;
+-    }
+-
+   /* First AS check for EBGP. */
+   if (bgp != NULL && bgp_flag_check (bgp, BGP_FLAG_ENFORCE_FIRST_AS))
+     {
+-- 
+1.6.0.4
+