#include "asterisk/data.h"
#include "asterisk/aoc.h"
#include "asterisk/message.h"
+#include "asterisk/pval.h"
#include "sip/include/sip.h"
#include "sip/include/globals.h"
#include "sip/include/config_parser.h"
dialog->relatedpeer = sip_ref_peer(peer, "create_addr: setting dialog's relatedpeer pointer");
sip_unref_peer(peer, "create_addr: unref peer from sip_find_peer hashtab lookup");
return res;
+ } else if (is_int(peername)) {
+ /* Although an IPv4 hostname *could* be represented as a 32-bit integer, it is uncommon and
+ * it makes dialing SIP/${EXTEN} for a peer that isn't defined resolve to an IP that is
+ * almost certainly not intended. It is much better to just reject purely numeric hostnames */
+ ast_log(LOG_WARNING, "Purely numeric hostname (%s), and not a peer--rejecting!\n", peername);
+ return -1;
} else {
dialog->rtptimeout = global_rtptimeout;
dialog->rtpholdtimeout = global_rtpholdtimeout;
if (ast_sockaddr_resolve_first(&dialog->sa, hostn, 0)) {
ast_log(LOG_WARNING, "No such host: %s\n", peername);
+ return -1;
}
if (srv_ret > 0) {