Import pjproject-2.0.1

1 files changed, 1146 insertions, 0 deletions

diff --git a/pjnath/src/pjnath-test/sess_auth.c b/pjnath/src/pjnath-test/sess_auth.c
new file mode 100644
index 0000000..05a6209
--- /dev/null
+++ b/pjnath/src/pjnath-test/sess_auth.c
@@ -0,0 +1,1146 @@
+/* $Id: sess_auth.c 3553 2011-05-05 06:14:19Z nanang $ */
+/* 
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+#include "test.h"
+
+#define THIS_FILE   "sess_auth.c"
+
+#define REALM	    "STUN session test"
+#define USERNAME    "theusername"
+#define PASSWORD    "thepassword"
+#define NONCE	    "thenonce"
+
+
+/* STUN config */
+static pj_stun_config stun_cfg;
+
+
+//////////////////////////////////////////////////////////////////////////////////////////
+//
+// SERVER PART
+//
+
+
+/* Server instance */
+static struct server
+{
+    pj_pool_t		*pool;
+    pj_sockaddr		 addr;
+    pj_stun_session	*sess;
+
+    pj_bool_t		 responding;
+    unsigned		 recv_count;
+    pj_stun_auth_type	 auth_type;
+
+    pj_sock_t		 sock;
+
+    pj_bool_t		 quit;
+    pj_thread_t		*thread;
+} *server;
+
+
+static pj_status_t server_send_msg(pj_stun_session *sess,
+				   void *token,
+				   const void *pkt,
+				   pj_size_t pkt_size,
+				   const pj_sockaddr_t *dst_addr,
+				   unsigned addr_len)
+{
+    pj_ssize_t len = pkt_size;
+
+    PJ_UNUSED_ARG(sess);
+    PJ_UNUSED_ARG(token);
+
+    return pj_sock_sendto(server->sock, pkt, &len, 0, dst_addr, addr_len);
+}
+
+static pj_status_t server_on_rx_request(pj_stun_session *sess,
+					const pj_uint8_t *pkt,
+					unsigned pkt_len,
+					const pj_stun_rx_data *rdata,
+					void *token,
+					const pj_sockaddr_t *src_addr,
+					unsigned src_addr_len)
+{
+    PJ_UNUSED_ARG(pkt);
+    PJ_UNUSED_ARG(pkt_len);
+    PJ_UNUSED_ARG(token);
+
+    return pj_stun_session_respond(sess, rdata, 0, NULL, NULL, PJ_TRUE, 
+				   src_addr, src_addr_len);
+}
+
+
+static pj_status_t server_get_auth(void *user_data,
+				   pj_pool_t *pool,
+				   pj_str_t *realm,
+				   pj_str_t *nonce)
+{
+    PJ_UNUSED_ARG(user_data);
+    PJ_UNUSED_ARG(pool);
+
+    if (server->auth_type == PJ_STUN_AUTH_SHORT_TERM) {
+	realm->slen = nonce->slen = 0;
+    } else {
+	*realm = pj_str(REALM);
+	*nonce = pj_str(NONCE);
+    }
+
+    return PJ_SUCCESS;
+}
+
+
+static pj_status_t server_get_password( const pj_stun_msg *msg,
+					void *user_data, 
+				        const pj_str_t *realm,
+				        const pj_str_t *username,
+					pj_pool_t *pool,
+					pj_stun_passwd_type *data_type,
+					pj_str_t *data)
+{
+    PJ_UNUSED_ARG(msg);
+    PJ_UNUSED_ARG(user_data);
+    PJ_UNUSED_ARG(pool);
+
+    if (server->auth_type == PJ_STUN_AUTH_SHORT_TERM) {
+	if (realm && realm->slen) {
+	    PJ_LOG(4,(THIS_FILE, "    server expecting short term"));
+	    return -1;
+	}
+    } else {
+	if (realm==NULL || realm->slen==0) {
+	    PJ_LOG(4,(THIS_FILE, "    realm not present"));
+	    return -1;
+	}
+    }
+
+    if (pj_strcmp2(username, USERNAME) != 0) {
+	PJ_LOG(4,(THIS_FILE, "    wrong username"));
+	return -1;
+    }
+
+    *data_type = PJ_STUN_PASSWD_PLAIN;
+    *data = pj_str(PASSWORD);
+
+    return PJ_SUCCESS;
+}
+
+
+static pj_bool_t server_verify_nonce(const pj_stun_msg *msg,
+				     void *user_data,
+				     const pj_str_t *realm,
+				     const pj_str_t *username,
+				     const pj_str_t *nonce)
+{
+    PJ_UNUSED_ARG(msg);
+    PJ_UNUSED_ARG(user_data);
+    PJ_UNUSED_ARG(realm);
+    PJ_UNUSED_ARG(username);
+
+    if (pj_strcmp2(nonce, NONCE) != 0)
+	return PJ_FALSE;
+
+    return PJ_TRUE;
+}
+
+
+static int server_thread(void *unused)
+{
+    PJ_UNUSED_ARG(unused);
+
+    PJ_LOG(5,("", "    server thread started"));
+
+    while (!server->quit) {
+	pj_fd_set_t readset;
+	pj_time_val delay = {0, 10};
+
+	PJ_FD_ZERO(&readset);
+	PJ_FD_SET(server->sock, &readset);
+
+	if (pj_sock_select(server->sock+1, &readset, NULL, NULL, &delay)==1 &&
+	    PJ_FD_ISSET(server->sock, &readset)) 
+	{
+	    char pkt[1000];
+	    pj_ssize_t len;
+	    pj_status_t status;
+	    pj_sockaddr src_addr;
+	    int src_addr_len;
+
+	    len = sizeof(pkt);
+	    src_addr_len = sizeof(src_addr);
+
+	    status = pj_sock_recvfrom(server->sock, pkt, &len, 0, &src_addr, &src_addr_len);
+	    if (status != PJ_SUCCESS)
+		continue;
+
+	    /* Increment server's receive count */
+	    server->recv_count++;
+
+	    /* Only pass to server if we allow to respond */
+	    if (!server->responding)
+		continue;
+
+	    pj_stun_session_on_rx_pkt(server->sess, pkt, len, 
+				      PJ_STUN_CHECK_PACKET | PJ_STUN_IS_DATAGRAM,
+				      NULL, NULL, &src_addr, src_addr_len);
+	}
+    }
+
+    return 0;
+}
+
+
+/* Destroy server */
+static void destroy_server(void)
+{
+    if (server->thread) {
+	server->quit = PJ_TRUE;
+	pj_thread_join(server->thread);
+	pj_thread_destroy(server->thread);
+    }
+
+    if (server->sock) {
+	pj_sock_close(server->sock);
+    }
+
+    if (server->sess) {
+	pj_stun_session_destroy(server->sess);
+    }
+
+    pj_pool_release(server->pool);
+    server = NULL;
+}
+
+/* Instantiate standard server */
+static int create_std_server(pj_stun_auth_type auth_type,
+			     pj_bool_t responding)
+{
+    pj_pool_t *pool;
+    pj_stun_session_cb sess_cb;
+    pj_stun_auth_cred cred;
+    pj_status_t status;
+    
+    /* Create server */
+    pool = pj_pool_create(mem, "server", 1000, 1000, NULL);
+    server = PJ_POOL_ZALLOC_T(pool, struct server);
+    server->pool = pool;
+    server->auth_type = auth_type;
+    server->responding = responding;
+
+    /* Create STUN session */
+    pj_bzero(&sess_cb, sizeof(sess_cb));
+    sess_cb.on_rx_request = &server_on_rx_request;
+    sess_cb.on_send_msg = &server_send_msg;
+    status = pj_stun_session_create(&stun_cfg, "server", &sess_cb, PJ_FALSE, &server->sess);
+    if (status != PJ_SUCCESS) {
+	destroy_server();
+	return -10;
+    }
+
+    /* Configure credential */
+    pj_bzero(&cred, sizeof(cred));
+    cred.type = PJ_STUN_AUTH_CRED_DYNAMIC;
+    cred.data.dyn_cred.get_auth = &server_get_auth;
+    cred.data.dyn_cred.get_password = &server_get_password;
+    cred.data.dyn_cred.verify_nonce = &server_verify_nonce;
+    status = pj_stun_session_set_credential(server->sess, auth_type, &cred);
+    if (status != PJ_SUCCESS) {
+	destroy_server();
+	return -20;
+    }
+
+    /* Create socket */
+    status = pj_sock_socket(pj_AF_INET(), pj_SOCK_DGRAM(), 0, &server->sock);
+    if (status != PJ_SUCCESS) {
+	destroy_server();
+	return -30;
+    }
+
+    /* Bind */
+    pj_sockaddr_in_init(&server->addr.ipv4, NULL, 0);
+    status = pj_sock_bind(server->sock, &server->addr, pj_sockaddr_get_len(&server->addr));
+    if (status != PJ_SUCCESS) {
+	destroy_server();
+	return -40;
+    } else {
+	/* Get the bound IP address */
+	int namelen = sizeof(server->addr);
+	pj_sockaddr addr;
+
+	status = pj_sock_getsockname(server->sock, &server->addr, &namelen);
+	if (status != PJ_SUCCESS) {
+	    destroy_server();
+	    return -43;
+	}
+
+	status = pj_gethostip(pj_AF_INET(), &addr);
+	if (status != PJ_SUCCESS) {
+	    destroy_server();
+	    return -45;
+	}
+
+	pj_sockaddr_copy_addr(&server->addr, &addr);
+    }
+
+
+    /* Create worker thread */
+    status = pj_thread_create(pool, "server", &server_thread, 0, 0, 0, &server->thread);
+    if (status != PJ_SUCCESS) {
+	destroy_server();
+	return -30;
+    }
+
+    return 0;
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////////
+//
+// CLIENT PART
+//
+
+static struct client
+{
+    pj_pool_t	    *pool;
+    pj_stun_session *sess;
+    pj_sem_t	    *test_complete;
+    pj_sock_t	     sock;
+
+    pj_bool_t	     responding;
+    unsigned	     recv_count;
+
+    pj_status_t	     response_status;
+    pj_stun_msg	    *response;
+
+    pj_bool_t	     quit;
+    pj_thread_t	    *thread;
+} *client;
+
+
+static pj_status_t client_send_msg(pj_stun_session *sess,
+				   void *token,
+				   const void *pkt,
+				   pj_size_t pkt_size,
+				   const pj_sockaddr_t *dst_addr,
+				   unsigned addr_len)
+{
+    pj_ssize_t len = pkt_size;
+
+    PJ_UNUSED_ARG(sess);
+    PJ_UNUSED_ARG(token);
+
+    return pj_sock_sendto(client->sock, pkt, &len, 0, dst_addr, addr_len);
+}
+
+
+static void client_on_request_complete( pj_stun_session *sess,
+					pj_status_t status,
+					void *token,
+					pj_stun_tx_data *tdata,
+					const pj_stun_msg *response,
+					const pj_sockaddr_t *src_addr,
+					unsigned src_addr_len)
+{
+    PJ_UNUSED_ARG(sess);
+    PJ_UNUSED_ARG(token);
+    PJ_UNUSED_ARG(tdata);
+    PJ_UNUSED_ARG(src_addr);
+    PJ_UNUSED_ARG(src_addr_len);
+
+    client->response_status = status;
+    if (response)
+	client->response = pj_stun_msg_clone(client->pool, response);
+
+    pj_sem_post(client->test_complete);
+}
+
+
+static int client_thread(void *unused)
+{
+    PJ_UNUSED_ARG(unused);
+
+    while (!client->quit) {
+	pj_fd_set_t readset;
+	pj_time_val delay = {0, 10};
+
+	/* Also poll the timer heap */
+	pj_timer_heap_poll(stun_cfg.timer_heap, NULL);
+
+	/* Poll client socket */
+	PJ_FD_ZERO(&readset);
+	PJ_FD_SET(client->sock, &readset);
+
+	if (pj_sock_select(client->sock+1, &readset, NULL, NULL, &delay)==1 &&
+	    PJ_FD_ISSET(client->sock, &readset)) 
+	{
+	    char pkt[1000];
+	    pj_ssize_t len;
+	    pj_status_t status;
+	    pj_sockaddr src_addr;
+	    int src_addr_len;
+
+	    len = sizeof(pkt);
+	    src_addr_len = sizeof(src_addr);
+
+	    status = pj_sock_recvfrom(client->sock, pkt, &len, 0, &src_addr, &src_addr_len);
+	    if (status != PJ_SUCCESS)
+		continue;
+
+	    /* Increment client's receive count */
+	    client->recv_count++;
+
+	    /* Only pass to client if we allow to respond */
+	    if (!client->responding)
+		continue;
+
+	    pj_stun_session_on_rx_pkt(client->sess, pkt, len, 
+				      PJ_STUN_CHECK_PACKET | PJ_STUN_IS_DATAGRAM,
+				      NULL, NULL, &src_addr, src_addr_len);
+	}
+ 
+    }
+
+    return 0;
+}
+
+
+static void destroy_client_server(void)
+{
+    if (client->thread) {
+	client->quit = 1;
+	pj_thread_join(client->thread);
+	pj_thread_destroy(client->thread);
+    }
+
+    if (client->sess)
+	pj_stun_session_destroy(client->sess);
+
+    if (client->sock)
+	pj_sock_close(client->sock);
+
+    if (client->test_complete)
+	pj_sem_destroy(client->test_complete);
+
+    if (server)
+	destroy_server();
+}
+
+static int run_client_test(const char *title,
+
+			   pj_bool_t server_responding,
+			   pj_stun_auth_type server_auth_type,
+
+			   pj_stun_auth_type client_auth_type,
+			   const char *realm,
+			   const char *username,
+			   const char *nonce,
+			   const char *password,
+			   pj_bool_t dummy_mi,
+
+			   pj_bool_t expected_error,
+			   pj_status_t expected_code,
+			   const char *expected_realm,
+			   const char *expected_nonce,
+			   
+			   int (*more_check)(void))
+{
+    pj_pool_t *pool;
+    pj_stun_session_cb sess_cb;
+    pj_stun_auth_cred cred;
+    pj_stun_tx_data *tdata;
+    pj_status_t status;
+    int rc = 0;
+    
+    PJ_LOG(3,(THIS_FILE, "   %s test", title));
+
+    /* Create client */
+    pool = pj_pool_create(mem, "client", 1000, 1000, NULL);
+    client = PJ_POOL_ZALLOC_T(pool, struct client);
+    client->pool = pool;
+    client->responding = PJ_TRUE;
+
+    /* Create STUN session */
+    pj_bzero(&sess_cb, sizeof(sess_cb));
+    sess_cb.on_request_complete = &client_on_request_complete;
+    sess_cb.on_send_msg = &client_send_msg;
+    status = pj_stun_session_create(&stun_cfg, "client", &sess_cb, PJ_FALSE, &client->sess);
+    if (status != PJ_SUCCESS) {
+	destroy_client_server();
+	return -200;
+    }
+
+    /* Create semaphore */
+    status = pj_sem_create(pool, "client", 0, 1, &client->test_complete);
+    if (status != PJ_SUCCESS) {
+	destroy_client_server();
+	return -205;
+    }
+
+    /* Create client socket */
+    status = pj_sock_socket(pj_AF_INET(), pj_SOCK_DGRAM(), 0, &client->sock);
+    if (status != PJ_SUCCESS) {
+	destroy_client_server();
+	return -210;
+    }
+
+    /* Bind client socket */
+    status = pj_sock_bind_in(client->sock, 0, 0);
+    if (status != PJ_SUCCESS) {
+	destroy_client_server();
+	return -220;
+    }
+
+    /* Create client thread */
+    status = pj_thread_create(pool, "client", &client_thread, NULL, 0, 0, &client->thread);
+    if (status != PJ_SUCCESS) {
+	destroy_client_server();
+	return -230;
+    }
+
+    /* Initialize credential */
+    pj_bzero(&cred, sizeof(cred));
+    cred.type = PJ_STUN_AUTH_CRED_STATIC;
+    if (realm) cred.data.static_cred.realm = pj_str((char*)realm);
+    if (username) cred.data.static_cred.username = pj_str((char*)username);
+    if (nonce) cred.data.static_cred.nonce = pj_str((char*)nonce);
+    if (password) cred.data.static_cred.data = pj_str((char*)password);
+    cred.data.static_cred.data_type = PJ_STUN_PASSWD_PLAIN;
+    status = pj_stun_session_set_credential(client->sess, client_auth_type, &cred);
+    if (status != PJ_SUCCESS) {
+	destroy_client_server();
+	return -240;
+    }
+
+    /* Create the server */
+    status = create_std_server(server_auth_type, server_responding);
+    if (status != 0) {
+	destroy_client_server();
+	return status;
+    }
+
+    /* Create request */
+    status = pj_stun_session_create_req(client->sess, PJ_STUN_BINDING_REQUEST, 
+					PJ_STUN_MAGIC, NULL, &tdata);
+    if (status != PJ_SUCCESS) {
+	destroy_client_server();
+	return -250;
+    }
+
+    /* Add our own attributes if client authentication is set to none */
+    if (client_auth_type == PJ_STUN_AUTH_NONE) {
+	pj_str_t tmp;
+	if (realm)
+	    pj_stun_msg_add_string_attr(tdata->pool, tdata->msg, PJ_STUN_ATTR_REALM, pj_cstr(&tmp, realm));
+	if (username)
+	    pj_stun_msg_add_string_attr(tdata->pool, tdata->msg, PJ_STUN_ATTR_USERNAME, pj_cstr(&tmp, username));
+	if (nonce)
+	    pj_stun_msg_add_string_attr(tdata->pool, tdata->msg, PJ_STUN_ATTR_NONCE, pj_cstr(&tmp, nonce));
+	if (password) {
+	    // ignored
+	}
+	if (dummy_mi) {
+	    pj_stun_msgint_attr *mi;
+
+	    pj_stun_msgint_attr_create(tdata->pool, &mi);
+	    pj_stun_msg_add_attr(tdata->msg, &mi->hdr);
+	}
+	   
+    }
+
+    /* Send the request */
+    status = pj_stun_session_send_msg(client->sess, NULL, PJ_FALSE, PJ_TRUE, &server->addr,
+				      pj_sockaddr_get_len(&server->addr), tdata);
+    if (status != PJ_SUCCESS) {
+	destroy_client_server();
+	return -270;
+    }
+
+    /* Wait until test complete */
+    pj_sem_wait(client->test_complete);
+
+
+    /* Verify response */
+    if (expected_error) {
+	if (expected_code != client->response_status) {
+	    char e1[PJ_ERR_MSG_SIZE], e2[PJ_ERR_MSG_SIZE];
+
+	    pj_strerror(expected_code, e1, sizeof(e1));
+	    pj_strerror(client->response_status, e2, sizeof(e2));
+
+	    PJ_LOG(3,(THIS_FILE, "    err: expecting %d (%s) but got %d (%s) response",
+		      expected_code, e1, client->response_status, e2));
+	    rc = -500;
+	} 
+
+    } else {
+	int res_code = 0;
+	pj_stun_realm_attr *arealm;
+	pj_stun_nonce_attr *anonce;
+
+	if (client->response_status != 0) {
+	    PJ_LOG(3,(THIS_FILE, "    err: expecting successful operation but got error %d", 
+		      client->response_status));
+	    rc = -600;
+	    goto done;
+	} 
+
+	if (PJ_STUN_IS_ERROR_RESPONSE(client->response->hdr.type)) {
+	    pj_stun_errcode_attr *aerr = NULL;
+
+	    aerr = (pj_stun_errcode_attr*)
+		   pj_stun_msg_find_attr(client->response, 
+					 PJ_STUN_ATTR_ERROR_CODE, 0);
+	    if (aerr == NULL) {
+		PJ_LOG(3,(THIS_FILE, "    err: received error response without ERROR-CODE"));
+		rc = -610;
+		goto done;
+	    }
+
+	    res_code = aerr->err_code;
+	} else {
+	    res_code = 0;
+	}
+
+	/* Check that code matches */
+	if (expected_code != res_code) {
+	    PJ_LOG(3,(THIS_FILE, "    err: expecting response code %d but got %d",
+		      expected_code, res_code));
+	    rc = -620;
+	    goto done;
+	}
+
+	/* Find REALM and NONCE attributes */
+	arealm = (pj_stun_realm_attr*)
+	         pj_stun_msg_find_attr(client->response, PJ_STUN_ATTR_REALM, 0);
+	anonce = (pj_stun_nonce_attr*)
+	         pj_stun_msg_find_attr(client->response, PJ_STUN_ATTR_NONCE, 0);
+
+	if (expected_realm) {
+	    if (arealm == NULL) {
+		PJ_LOG(3,(THIS_FILE, "    err: expecting REALM in esponse"));
+		rc = -630;
+		goto done;
+	    }
+	    if (pj_strcmp2(&arealm->value, expected_realm)!=0) {
+		PJ_LOG(3,(THIS_FILE, "    err: REALM mismatch in response"));
+		rc = -640;
+		goto done;
+	    }
+	} else {
+	    if (arealm != NULL) {
+		PJ_LOG(3,(THIS_FILE, "    err: non expecting REALM in response"));
+		rc = -650;
+		goto done;
+	    }
+	}
+
+	if (expected_nonce) {
+	    if (anonce == NULL) {
+		PJ_LOG(3,(THIS_FILE, "    err: expecting NONCE in esponse"));
+		rc = -660;
+		goto done;
+	    }
+	    if (pj_strcmp2(&anonce->value, expected_nonce)!=0) {
+		PJ_LOG(3,(THIS_FILE, "    err: NONCE mismatch in response"));
+		rc = -670;
+		goto done;
+	    }
+	} else {
+	    if (anonce != NULL) {
+		PJ_LOG(3,(THIS_FILE, "    err: non expecting NONCE in response"));
+		rc = -680;
+		goto done;
+	    }
+	}
+    }
+
+    /* Our tests are okay so far. Let caller do some more tests if
+     * it wants to.
+     */
+    if (rc==0 && more_check) {
+	rc = (*more_check)();
+    }
+
+
+done:
+    destroy_client_server();
+    return rc;
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////////
+//
+// More verification
+//
+
+/* Retransmission test */
+static int retransmit_check(void)
+{
+
+    if (server->recv_count != PJ_STUN_MAX_TRANSMIT_COUNT) {
+	PJ_LOG(3,("", "    expecting %d retransmissions, got %d",
+		  PJ_STUN_MAX_TRANSMIT_COUNT, server->recv_count));
+	return -700;
+    }
+    if (client->recv_count != 0)
+	return -710;
+
+    return 0;
+}
+
+static int long_term_check1(void)
+{
+    /* SHOULD NOT contain USERNAME or MESSAGE-INTEGRITY */
+    if (pj_stun_msg_find_attr(client->response, PJ_STUN_ATTR_USERNAME, 0))
+	return -800;
+    if (pj_stun_msg_find_attr(client->response, PJ_STUN_ATTR_MESSAGE_INTEGRITY, 0))
+	return -800;
+
+    return 0;
+}
+
+static int long_term_check2(void)
+{
+    /* response SHOULD NOT include a USERNAME, NONCE, REALM or 
+     * MESSAGE-INTEGRITY attribute. 
+     */
+    if (pj_stun_msg_find_attr(client->response, PJ_STUN_ATTR_USERNAME, 0))
+	return -900;
+    if (pj_stun_msg_find_attr(client->response, PJ_STUN_ATTR_NONCE, 0))
+	return -910;
+    if (pj_stun_msg_find_attr(client->response, PJ_STUN_ATTR_REALM, 0))
+	return -920;
+    if (pj_stun_msg_find_attr(client->response, PJ_STUN_ATTR_MESSAGE_INTEGRITY, 0))
+	return -930;
+
+    return 0;
+}
+
+static int long_term_check3(void)
+{
+    /* response SHOULD NOT include a USERNAME, NONCE, and REALM */
+    if (pj_stun_msg_find_attr(client->response, PJ_STUN_ATTR_USERNAME, 0))
+	return -1000;
+    if (pj_stun_msg_find_attr(client->response, PJ_STUN_ATTR_NONCE, 0))
+	return -1010;
+    if (pj_stun_msg_find_attr(client->response, PJ_STUN_ATTR_REALM, 0))
+	return -1020;
+
+    return 0;
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+//
+// TEST MAIN
+//
+
+
+int sess_auth_test(void)
+{
+    pj_pool_t *pool;
+    int rc;
+
+    PJ_LOG(3,(THIS_FILE, "  STUN session authentication test"));
+
+    /* Init STUN config */
+    pj_stun_config_init(&stun_cfg, mem, 0, NULL, NULL);
+
+    /* Create pool and timer heap */
+    pool = pj_pool_create(mem, "authtest", 200, 200, NULL);
+    if (pj_timer_heap_create(pool, 20, &stun_cfg.timer_heap)) {
+	pj_pool_release(pool);
+	return -5;
+    }
+
+    /* Basic retransmission test */
+    rc = run_client_test("Retransmission",  // title
+			 PJ_FALSE,	    // server responding
+			 PJ_STUN_AUTH_NONE, // server auth
+			 PJ_STUN_AUTH_NONE, // client auth
+			 NULL,		    // realm
+			 NULL,		    // username
+			 NULL,		    // nonce
+			 NULL,		    // password
+			 PJ_FALSE,	    // dummy MI
+			 PJ_TRUE,	    // expected error
+			 PJNATH_ESTUNTIMEDOUT,// expected code
+			 NULL,		    // expected realm
+			 NULL,		    // expected nonce
+			 &retransmit_check  // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+
+    /*
+     * Short term credential.
+     * draft-ietf-behave-rfc3489bis-15#section-10.1.2
+     */
+
+    /*
+     * If the message does not contain both a MESSAGE-INTEGRITY and a
+     * USERNAME attribute, If the message is a request, the server MUST
+     * reject the request with an error response.  This response MUST
+     * use an error code of 400 (Bad Request).
+     */
+    rc = run_client_test("Missing MESSAGE-INTEGRITY (short term)",  // title
+			 PJ_TRUE,	    // server responding
+			 PJ_STUN_AUTH_SHORT_TERM, // server auth
+			 PJ_STUN_AUTH_NONE, // client auth
+			 NULL,		    // realm
+			 NULL,		    // username
+			 NULL,		    // nonce
+			 NULL,		    // password
+			 PJ_FALSE,	    // dummy MI
+			 PJ_TRUE,	    // expected error
+			 PJ_STATUS_FROM_STUN_CODE(400),// expected code
+			 NULL,		    // expected realm
+			 NULL,		    // expected nonce
+			 NULL		    // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+
+    /* If the USERNAME does not contain a username value currently valid
+     * within the server: If the message is a request, the server MUST 
+     * reject the request with an error response.  This response MUST use
+     * an error code of 401 (Unauthorized).
+     */
+    rc = run_client_test("USERNAME mismatch (short term)",  // title
+			 PJ_TRUE,	    // server responding
+			 PJ_STUN_AUTH_SHORT_TERM, // server auth
+			 PJ_STUN_AUTH_SHORT_TERM, // client auth
+			 NULL,		    // realm
+			 "anotheruser",	    // username
+			 NULL,		    // nonce
+			 "anotherpass",	    // password
+			 PJ_FALSE,	    // dummy MI
+			 PJ_TRUE,	    // expected error
+			 PJ_STATUS_FROM_STUN_CODE(401),// expected code
+			 NULL,		    // expected realm
+			 NULL,		    // expected nonce
+			 NULL		    // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+
+    /* Using the password associated with the username, compute the value
+     * for the message-integrity as described in Section 15.4.  If the
+     * resulting value does not match the contents of the MESSAGE-
+     * INTEGRITY attribute:
+     *
+     * - If the message is a request, the server MUST reject the request
+     *   with an error response.  This response MUST use an error code
+     *   of 401 (Unauthorized).
+     */
+    rc = run_client_test("MESSAGE-INTEGRITY mismatch (short term)",  // title
+			 PJ_TRUE,	    // server responding
+			 PJ_STUN_AUTH_SHORT_TERM, // server auth
+			 PJ_STUN_AUTH_SHORT_TERM, // client auth
+			 NULL,		    // realm
+			 USERNAME,	    // username
+			 NULL,		    // nonce
+			 "anotherpass",	    // password
+			 PJ_FALSE,	    // dummy MI
+			 PJ_TRUE,	    // expected error
+			 PJ_STATUS_FROM_STUN_CODE(401),// expected code
+			 NULL,		    // expected realm
+			 NULL,		    // expected nonce
+			 NULL		    // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+
+    /* USERNAME is not present, server must respond with 400 (Bad
+     * Request).
+     */
+    rc = run_client_test("Missing USERNAME (short term)",// title
+			 PJ_TRUE,	    // server responding
+			 PJ_STUN_AUTH_SHORT_TERM, // server auth
+			 PJ_STUN_AUTH_NONE, // client auth
+			 NULL,		    // realm
+			 NULL,		    // username
+			 NULL,		    // nonce
+			 NULL,		    // password
+			 PJ_TRUE,	    // dummy MI
+			 PJ_TRUE,	    // expected error
+			 PJ_STATUS_FROM_STUN_CODE(400),	    // expected code
+			 NULL,		    // expected realm
+			 NULL,		    // expected nonce
+			 NULL		    // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+
+    /* Successful short term authentication */
+    rc = run_client_test("Successful scenario (short term)",  // title
+			 PJ_TRUE,	    // server responding
+			 PJ_STUN_AUTH_SHORT_TERM, // server auth
+			 PJ_STUN_AUTH_SHORT_TERM, // client auth
+			 NULL,		    // realm
+			 USERNAME,	    // username
+			 NULL,		    // nonce
+			 PASSWORD,	    // password
+			 PJ_FALSE,	    // dummy MI
+			 PJ_FALSE,	    // expected error
+			 PJ_SUCCESS,	    // expected code
+			 NULL,		    // expected realm
+			 NULL,		    // expected nonce
+			 NULL		    // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+
+    /*
+     * (our own) Extended tests for long term credential
+     */
+
+    /* When server wants to use short term credential, but request has
+     * REALM, reject with .... 401 ???
+     */
+    rc = run_client_test("Unwanted REALM (short term)",  // title
+			 PJ_TRUE,	    // server responding
+			 PJ_STUN_AUTH_SHORT_TERM, // server auth
+			 PJ_STUN_AUTH_NONE, // client auth
+			 REALM,		    // realm
+			 USERNAME,	    // username
+			 NULL,		    // nonce
+			 PASSWORD,	    // password
+			 PJ_TRUE,	    // dummy MI
+			 PJ_TRUE,	    // expected error
+			 PJ_STATUS_FROM_STUN_CODE(401),	    // expected code
+			 NULL,		    // expected realm
+			 NULL,		    // expected nonce
+			 &long_term_check2  // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+
+
+    /*
+     * Long term credential.
+     * draft-ietf-behave-rfc3489bis-15#section-10.2.2
+     */
+
+    /* If the message does not contain a MESSAGE-INTEGRITY attribute, the
+     * server MUST generate an error response with an error code of 401
+     * (Unauthorized).  This response MUST include a REALM value.  It is
+     * RECOMMENDED that the REALM value be the domain name of the
+     * provider of the STUN server.  The response MUST include a NONCE,
+     * selected by the server.  The response SHOULD NOT contain a
+     * USERNAME or MESSAGE-INTEGRITY attribute.
+     */
+    rc = run_client_test("Missing M-I (long term)",  // title
+			 PJ_TRUE,	    // server responding
+			 PJ_STUN_AUTH_LONG_TERM, // server auth
+			 PJ_STUN_AUTH_NONE, // client auth
+			 NULL,		    // client realm
+			 NULL,		    // client username
+			 NULL,		    // client nonce
+			 NULL,		    // client password
+			 PJ_FALSE,	    // client dummy MI
+			 PJ_TRUE,	    // expected error
+			 PJ_STATUS_FROM_STUN_CODE(401), // expected code
+			 REALM,		    // expected realm
+			 NONCE,		    // expected nonce
+			 &long_term_check1  // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+
+    /* If the message contains a MESSAGE-INTEGRITY attribute, but is
+     * missing the USERNAME, REALM or NONCE attributes, the server MUST
+     * generate an error response with an error code of 400 (Bad
+     * Request).  This response SHOULD NOT include a USERNAME, NONCE,
+     * REALM or MESSAGE-INTEGRITY attribute.
+     */
+    /* Missing USERNAME */
+    rc = run_client_test("Missing USERNAME (long term)",  // title
+			 PJ_TRUE,	    // server responding
+			 PJ_STUN_AUTH_LONG_TERM, // server auth
+			 PJ_STUN_AUTH_NONE, // client auth
+			 REALM,		    // client realm
+			 NULL,		    // client username
+			 NONCE,		    // client nonce
+			 PASSWORD,	    // client password
+			 PJ_TRUE,	    // client dummy MI
+			 PJ_TRUE,	    // expected error
+			 PJ_STATUS_FROM_STUN_CODE(400), // expected code
+			 NULL,		    // expected realm
+			 NULL,		    // expected nonce
+			 &long_term_check2  // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+
+    /* Missing REALM */
+    rc = run_client_test("Missing REALM (long term)",  // title
+			 PJ_TRUE,	    // server responding
+			 PJ_STUN_AUTH_LONG_TERM, // server auth
+			 PJ_STUN_AUTH_NONE, // client auth
+			 NULL,		    // client realm
+			 USERNAME,	    // client username
+			 NONCE,		    // client nonce
+			 PASSWORD,	    // client password
+			 PJ_TRUE,	    // client dummy MI
+			 PJ_TRUE,	    // expected error
+			 PJ_STATUS_FROM_STUN_CODE(400), // expected code
+			 NULL,		    // expected realm
+			 NULL,		    // expected nonce
+			 &long_term_check2  // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+
+    /* Missing NONCE */
+    rc = run_client_test("Missing NONCE (long term)",  // title
+			 PJ_TRUE,	    // server responding
+			 PJ_STUN_AUTH_LONG_TERM, // server auth
+			 PJ_STUN_AUTH_NONE, // client auth
+			 REALM,		    // client realm
+			 USERNAME,	    // client username
+			 NULL,		    // client nonce
+			 PASSWORD,	    // client password
+			 PJ_TRUE,	    // client dummy MI
+			 PJ_TRUE,	    // expected error
+			 PJ_STATUS_FROM_STUN_CODE(400), // expected code
+			 NULL,		    // expected realm
+			 NULL,		    // expected nonce
+			 &long_term_check2  // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+
+    /* If the NONCE is no longer valid, the server MUST generate an error
+     * response with an error code of 438 (Stale Nonce).  This response
+     * MUST include a NONCE and REALM attribute and SHOULD NOT incude the
+     * USERNAME or MESSAGE-INTEGRITY attribute.  Servers can invalidate
+     * nonces in order to provide additional security.  See Section 4.3
+     * of [RFC2617] for guidelines.    
+     */
+    // how??
+
+    /* If the username in the USERNAME attribute is not valid, the server
+     * MUST generate an error response with an error code of 401
+     * (Unauthorized).  This response MUST include a REALM value.  It is
+     * RECOMMENDED that the REALM value be the domain name of the
+     * provider of the STUN server.  The response MUST include a NONCE,
+     * selected by the server.  The response SHOULD NOT contain a
+     * USERNAME or MESSAGE-INTEGRITY attribute.
+     */
+    rc = run_client_test("Invalid username (long term)",  // title
+			 PJ_TRUE,	    // server responding
+			 PJ_STUN_AUTH_LONG_TERM, // server auth
+			 PJ_STUN_AUTH_LONG_TERM, // client auth
+			 REALM,		    // client realm
+			 "anotheruser",	    // client username
+			 "a nonce",	    // client nonce
+			 "somepassword",    // client password
+			 PJ_FALSE,	    // client dummy MI
+			 PJ_TRUE,	    // expected error
+			 PJ_STATUS_FROM_STUN_CODE(401), // expected code
+			 REALM,		    // expected realm
+			 NONCE,		    // expected nonce
+			 &long_term_check1  // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+
+    /* Successful long term authentication */
+    rc = run_client_test("Successful scenario (long term)",  // title
+			 PJ_TRUE,	    // server responding
+			 PJ_STUN_AUTH_LONG_TERM, // server auth
+			 PJ_STUN_AUTH_LONG_TERM, // client auth
+			 REALM,		    // client realm
+			 USERNAME,	    // client username
+			 "anothernonce",    // client nonce
+			 PASSWORD,	    // client password
+			 PJ_FALSE,	    // client dummy MI
+			 PJ_FALSE,	    // expected error
+			 0,		    // expected code
+			 NULL,		    // expected realm
+			 NULL,		    // expected nonce
+			 &long_term_check3  // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+
+    /*
+     * (our own) Extended tests for long term credential
+     */
+
+    /* If REALM doesn't match, server must respond with 401
+     */
+#if 0
+    // STUN session now will just use the realm sent in the
+    // response, so this test will fail because it will
+    // authenticate successfully.
+
+    rc = run_client_test("Invalid REALM (long term)",  // title
+			 PJ_TRUE,	    // server responding
+			 PJ_STUN_AUTH_LONG_TERM, // server auth
+			 PJ_STUN_AUTH_LONG_TERM, // client auth
+			 "anotherrealm",    // client realm
+			 USERNAME,	    // client username
+			 NONCE,		    // client nonce
+			 PASSWORD,	    // client password
+			 PJ_FALSE,	    // client dummy MI
+			 PJ_TRUE,	    // expected error
+			 PJ_STATUS_FROM_STUN_CODE(401), // expected code
+			 REALM,		    // expected realm
+			 NONCE,		    // expected nonce
+			 &long_term_check1  // more check
+			 );
+    if (rc != 0) {
+	goto done;
+    }
+#endif
+
+    /* Invalid HMAC */
+
+    /* Valid static short term, without NONCE */
+
+    /* Valid static short term, WITH NONCE */
+
+    /* Valid static long term (with NONCE */
+
+    /* Valid dynamic short term (without NONCE) */
+
+    /* Valid dynamic short term (with NONCE) */
+
+    /* Valid dynamic long term (with NONCE) */
+
+
+done:
+    pj_timer_heap_destroy(stun_cfg.timer_heap);
+    pj_pool_release(pool);
+    return rc;
+}