From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Fri, 2 Apr 2010 09:36:38 +0000 (+0200)
Subject: Fixes link-local addresses on BSD.
X-Git-Tag: v1.2.2~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97ab4c34986139b2419c563a3de7ddfe41727d07;p=thirdparty%2Fbird.git

Fixes link-local addresses on BSD.
---

diff --git a/sysdep/bsd/krt-sock.c b/sysdep/bsd/krt-sock.c
index 1dd09ae9b..1a2cc9f27 100644
--- a/sysdep/bsd/krt-sock.c
+++ b/sysdep/bsd/krt-sock.c
@@ -515,6 +515,14 @@ krt_read_addr(struct ks_msg *msg)
   }
   ifa.scope = scope & IADDR_SCOPE_MASK;
 
+  /* BSD returns some scope/interface ID as a part of link-local address */
+  if (scope == (IADDR_HOST | SCOPE_LINK))
+  {
+    /* Clean up that */
+    _I0(ifa.ip) = 0xfe800000;
+    _I1(ifa.ip) = 0x00000000;
+  }
+
   if (iface->flags & IF_MULTIACCESS)
     ifa.prefix = ipa_and(ifa.ip, ipa_mkmask(masklen));
   else         /* PtP iface */