Ensure that SDP read from TCP socket is null-terminated.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@218504 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index bd4653638a0b38658da5094912bc905f3090e9d2..789b1a7dca11886648e7d1a25daaaa6c915f3757 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -2967,6 +2967,7 @@ static void *_sip_tcp_helper_thread(struct sip_pvt *pvt, struct ast_tcptls_sessi
                                        ast_mutex_unlock(&tcptls_session->lock);
                                        goto cleanup;
                                }
+                               buf[sizeof(buf)-1] = '\0';
                                ast_mutex_unlock(&tcptls_session->lock);
                                if (me->stop)
                                        goto cleanup;