Don't register auth against something that isn't a register (bug #2468)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3810 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index b31840d..e8b5628 100755 (executable)
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -4526,6 +4526,7 @@ static int registry_rerequest(struct iax_ies *ies, int callno, struct sockaddr_i
                strncpy(challenge, ies->challenge, sizeof(challenge) - 1);
        memset(&ied, 0, sizeof(ied));
        reg = iaxs[callno]->reg;
+       if (reg) {
                        if (inaddrcmp(&reg->addr, sin)) {
                                ast_log(LOG_WARNING, "Received unsolicited registry authenticate request from '%s'\n", ast_inet_ntoa(iabuf, sizeof(iabuf), sin->sin_addr));
                                return -1;
@@ -4549,7 +4550,9 @@ static int registry_rerequest(struct iax_ies *ies, int callno, struct sockaddr_i
                                return send_command(iaxs[callno], AST_FRAME_IAX, IAX_COMMAND_REGREQ, 0, ied.buf, ied.pos, -1);
                        } else
                                return -1;
-       ast_log(LOG_WARNING, "Registry acknowledge on unknown registery '%s'\n", peer);
+                       ast_log(LOG_WARNING, "Registry acknowledge on unknown registery '%s'\n", peer);
+       } else  
+               ast_log(LOG_NOTICE, "Can't reregister without a reg\n");
        return -1;
 }