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);
}
}
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;
}