From bec19e0d3c8fd02ead56676fa540bba024e10113 Mon Sep 17 00:00:00 2001
From: Benny Prijono <bennylp@teluu.com>
Date: Fri, 22 Aug 2008 17:46:33 +0000
Subject: Ticket #598: Update to draft-ietf-behave-rfc3489bis-18 and
 draft-ietf-behave-turn-09, and fix other things as well. Please see the
 ticket for more info

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@2234 74dad513-b988-da41-8d7b-12977e46ad98
---
 pjnath/src/pjturn-srv/server.c | 45 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

(limited to 'pjnath/src/pjturn-srv/server.c')

diff --git a/pjnath/src/pjturn-srv/server.c b/pjnath/src/pjturn-srv/server.c
index 1089ec91..c277e11e 100644
--- a/pjnath/src/pjturn-srv/server.c
+++ b/pjnath/src/pjturn-srv/server.c
@@ -551,6 +551,43 @@ static pj_status_t on_rx_stun_request(pj_stun_session *sess,
     return PJ_SUCCESS;
 }
 
+/* Handle STUN Binding request */
+static void handle_binding_request(pj_turn_pkt *pkt,
+				   unsigned options)
+{
+    pj_stun_msg *request, *response;
+    pj_uint8_t pdu[200];
+    pj_size_t len;
+    pj_status_t status;
+
+    /* Decode request */
+    status = pj_stun_msg_decode(pkt->pool, pkt->pkt, pkt->len, options,
+				&request, NULL, NULL);
+    if (status != PJ_SUCCESS)
+	return;
+
+    /* Create response */
+    status = pj_stun_msg_create_response(pkt->pool, request, 0, NULL, 
+					 &response);
+    if (status != PJ_SUCCESS)
+	return;
+
+    /* Add XOR-MAPPED-ADDRESS */
+    pj_stun_msg_add_sockaddr_attr(pkt->pool, response, 
+				  PJ_STUN_ATTR_XOR_MAPPED_ADDR,
+				  PJ_TRUE,
+				  &pkt->src.clt_addr,
+				  pkt->src_addr_len);
+
+    /* Encode */
+    status = pj_stun_msg_encode(response, pdu, sizeof(pdu), 0, NULL, &len);
+    if (status != PJ_SUCCESS)
+	return;
+
+    /* Send response */
+    pkt->transport->sendto(pkt->transport, pdu, len, 0, 
+			   &pkt->src.clt_addr, pkt->src_addr_len);
+}
 
 /*
  * This callback is called by UDP listener on incoming packet. This is
@@ -615,6 +652,14 @@ PJ_DEF(void) pj_turn_srv_on_rx_pkt(pj_turn_srv *srv,
 	    return;
 	}
 
+	/* Special handling for Binding Request. We won't give it to the 
+	 * STUN session since this request is not authenticated.
+	 */
+	if (pkt->pkt[1] == 1) {
+	    handle_binding_request(pkt, options);
+	    return;
+	}
+
 	/* Hand over processing to STUN session. This will trigger
 	 * on_rx_stun_request() callback to be called if the STUN
 	 * message is a request.
-- 
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