For FreeBSD, at least, the ifa_addr element could be NULL.

(closes issue #12300)
 Reported by: festr
 Patches:
       acl.c.patch uploaded by festr (license 443)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@111442 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/main/acl.c b/main/acl.c
index e36008a0464d1d902651dd35acfc5013477d8653..72e3545326070dbe6f8aff4eb28fae30725e9d85 100644 (file)
--- a/main/acl.c
+++ b/main/acl.c
@@ -185,7 +185,7 @@ static int get_local_address(struct in_addr *ourip)
 #if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__linux__) || defined(__Darwin__)
                for (ifap = ifaphead; ifap; ifap = ifap->ifa_next) {
 
-                       if (ifap->ifa_addr->sa_family == AF_INET) {
+                       if (ifap->ifa_addr && ifap->ifa_addr->sa_family == AF_INET) {
                                sin = (const struct sockaddr_in *) ifap->ifa_addr;
                                score_address(sin, &best_addr, &best_score);
                                res = 0;