diff options
| -rw-r--r-- | res/res_pjsip_refer.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/res/res_pjsip_refer.c b/res/res_pjsip_refer.c index 1cbbbc0b2..87700ac27 100644 --- a/res/res_pjsip_refer.c +++ b/res/res_pjsip_refer.c @@ -599,9 +599,16 @@ static void refer_blind_callback(struct ast_channel *chan, struct transfer_chann if (refer->replaces) { char replaces[512]; - - pjsip_hdr_print_on(refer->replaces, replaces, sizeof(replaces)); - pbx_builtin_setvar_helper(chan, "__SIPREPLACESHDR", S_OR(replaces, NULL)); + char *replaces_val = NULL; + int len; + + len = pjsip_hdr_print_on(refer->replaces, replaces, sizeof(replaces) - 1); + if (len != -1) { + /* pjsip_hdr_print_on does not NULL terminate the buffer */ + replaces[len] = '\0'; + replaces_val = replaces + sizeof("Replaces:"); + } + pbx_builtin_setvar_helper(chan, "__SIPREPLACESHDR", replaces_val); } else { pbx_builtin_setvar_helper(chan, "SIPREPLACESHDR", NULL); } @@ -674,8 +681,8 @@ static int refer_incoming_attended_request(struct ast_sip_session *session, pjsi } if (!ast_exists_extension(NULL, context, "external_replaces", 1, NULL)) { - ast_log(LOG_ERROR, "Received REFER for remote session on channel '%s' from endpoint '%s' but 'external_replaces' context does not exist for handling\n", - ast_channel_name(session->channel), ast_sorcery_object_get_id(session->endpoint)); + ast_log(LOG_ERROR, "Received REFER for remote session on channel '%s' from endpoint '%s' but 'external_replaces' extension not found in context %s\n", + ast_channel_name(session->channel), ast_sorcery_object_get_id(session->endpoint), context); return 404; } |