Be more consistent with the return code for requests received from invalid domain.

When Asterisk receives an INVITE from an external domain when allowexternaldomains=no
send a 403 instead of a 404. This is consistent with Asterisk's behavior when receiving
a REGISTER in this situation.

(Closes issue ASTERISK-19601)
Reported by Matthew Jordan
Patches:
	ASTERISK-19601-no401.patch uploaded by Mark Michelson (License #5049)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@369302 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 3e5ee2107b6d71e185ad2184882c3fd55782fe6c..9bea9bf7ed12c919949e310d051c80ee1f075bf6 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -22777,8 +22777,6 @@ static int handle_request_invite(struct sip_pvt *p, struct sip_request *req, int
                                 */
                                /* Fall through */
                        case SIP_GET_DEST_EXTEN_NOT_FOUND:
-                       case SIP_GET_DEST_REFUSED:
-                       default:
                                {
                                        char *decoded_exten = ast_strdupa(p->exten);
                                        transmit_response_reliable(p, "404 Not Found", req);
@@ -22787,6 +22785,10 @@ static int handle_request_invite(struct sip_pvt *p, struct sip_request *req, int
                                                " '%s' rejected because extension not found in context '%s'.\n",
                                                S_OR(p->username, p->peername), ast_sockaddr_stringify(&p->recv), decoded_exten, p->context);
                                }
+                               break;
+                       case SIP_GET_DEST_REFUSED:
+                       default:
+                               transmit_response_reliable(p, "403 Forbidden", req);
                        } /* end switch */
 
                        p->invitestate = INV_COMPLETED;