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libnice/tests/test-drop-invalid.c

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/*
* This file is part of the Nice GLib ICE library.
*
* Unit test for ICE full-mode related features.
*
* (C) 2007 Nokia Corporation. All rights reserved.
* Contact: Kai Vehmanen
* (C) 2017 Collabora Ltd
* Contact: Olivier Crete <olivier.crete@collabora.com>
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Nice GLib ICE library.
*
* The Initial Developers of the Original Code are Collabora Ltd and Nokia
* Corporation. All Rights Reserved.
*
* Contributors:
* Kai Vehmanen, Nokia
*
* Alternatively, the contents of this file may be used under the terms of the
* the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
* case the provisions of LGPL are applicable instead of those above. If you
* wish to allow use of your version of this file only under the terms of the
* LGPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replace
* them with the notice and other provisions required by the LGPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the LGPL.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "agent.h"
#include "candidate-priv.h"
#include "socket/socket.h"
#include <stdlib.h>
#include <string.h>
static NiceComponentState global_lagent_state[2] = { NICE_COMPONENT_STATE_LAST, NICE_COMPONENT_STATE_LAST };
static NiceComponentState global_ragent_state[2] = { NICE_COMPONENT_STATE_LAST, NICE_COMPONENT_STATE_LAST };
static guint global_components_ready = 0;
static guint global_components_ready_exit = 0;
static guint global_components_failed = 0;
static guint global_components_failed_exit = 0;
static GMainLoop *global_mainloop = NULL;
static gboolean global_lagent_gathering_done = FALSE;
static gboolean global_ragent_gathering_done = FALSE;
static gboolean global_lagent_ibr_received = FALSE;
static gboolean global_ragent_ibr_received = FALSE;
static int global_lagent_cands = 0;
static int global_ragent_cands = 0;
static gint global_ragent_read = 0;
static guint global_exit_when_ibr_received = 0;
static void priv_print_global_status (void)
{
g_debug ("\tgathering_done=%d", global_lagent_gathering_done && global_ragent_gathering_done);
g_debug ("\tlstate[rtp]=%d [rtcp]=%d", global_lagent_state[0], global_lagent_state[1]);
g_debug ("\trstate[rtp]=%d [rtcp]=%d", global_ragent_state[0], global_ragent_state[1]);
g_debug ("\tL cands=%d R cands=%d", global_lagent_cands, global_ragent_cands);
}
static gboolean timer_cb (gpointer pointer)
{
g_debug ("test-drop-invalid:%s: %p", G_STRFUNC, pointer);
/* signal status via a global variable */
/* note: should not be reached, abort */
g_error ("ERROR: test has got stuck, aborting...");
return FALSE;
}
static void cb_nice_recv (NiceAgent *agent, guint stream_id, guint component_id, guint len, gchar *buf, gpointer user_data)
{
g_debug ("test-drop-invalid:%s: %p", G_STRFUNC, user_data);
/* XXX: dear compiler, these are for you: */
(void)agent; (void)stream_id; (void)component_id; (void)buf;
/* Core of the test
* Assert on any unreleated packet received. This would include anything
* send before the negotiation is over.
*/
g_assert_cmpuint (len, ==, 16);
g_assert_true (strncmp ("1234567812345678", buf, 16) == 0);
if (component_id == 2)
return;
if (GPOINTER_TO_UINT (user_data) == 2) {
g_debug ("right agent received %d bytes, stopping mainloop", len);
global_ragent_read = len;
g_main_loop_quit (global_mainloop);
}
}
static void cb_candidate_gathering_done(NiceAgent *agent, guint stream_id, gpointer data)
{
g_debug ("test-drop-invalid:%s: %p", G_STRFUNC, data);
if (GPOINTER_TO_UINT (data) == 1)
global_lagent_gathering_done = TRUE;
else if (GPOINTER_TO_UINT (data) == 2)
global_ragent_gathering_done = TRUE;
if (global_lagent_gathering_done &&
global_ragent_gathering_done)
g_main_loop_quit (global_mainloop);
/* XXX: dear compiler, these are for you: */
(void)agent;
}
static void cb_component_state_changed (NiceAgent *agent, guint stream_id, guint component_id, guint state, gpointer data)
{
gboolean ready_to_connected = FALSE;
g_debug ("test-drop-invalid:%s: %p", G_STRFUNC, data);
if (GPOINTER_TO_UINT (data) == 1) {
if (global_lagent_state[component_id - 1] == NICE_COMPONENT_STATE_READY &&
state == NICE_COMPONENT_STATE_CONNECTED)
ready_to_connected = TRUE;
global_lagent_state[component_id - 1] = state;
} else if (GPOINTER_TO_UINT (data) == 2) {
if (global_ragent_state[component_id - 1] == NICE_COMPONENT_STATE_READY &&
state == NICE_COMPONENT_STATE_CONNECTED)
ready_to_connected = TRUE;
global_ragent_state[component_id - 1] = state;
}
if (state == NICE_COMPONENT_STATE_READY)
global_components_ready++;
else if (state == NICE_COMPONENT_STATE_CONNECTED && ready_to_connected)
global_components_ready--;
if (state == NICE_COMPONENT_STATE_FAILED)
global_components_failed++;
g_debug ("test-drop-invalid: checks READY/EXIT-AT %u/%u.", global_components_ready, global_components_ready_exit);
g_debug ("test-drop-invalid: checks FAILED/EXIT-AT %u/%u.", global_components_failed, global_components_failed_exit);
/* signal status via a global variable */
if (global_components_ready == global_components_ready_exit &&
global_components_failed == global_components_failed_exit) {
g_debug ("Components ready/failed achieved. Stopping mailoop");
g_main_loop_quit (global_mainloop);
return;
}
/* XXX: dear compiler, these are for you: */
(void)agent; (void)stream_id; (void)data; (void)component_id;
}
static void cb_new_selected_pair(NiceAgent *agent, guint stream_id, guint component_id,
gchar *lfoundation, gchar* rfoundation, gpointer data)
{
g_debug ("test-drop-invalid:%s: %p", G_STRFUNC, data);
if (GPOINTER_TO_UINT (data) == 1)
++global_lagent_cands;
else if (GPOINTER_TO_UINT (data) == 2)
++global_ragent_cands;
/* XXX: dear compiler, these are for you: */
(void)agent; (void)stream_id; (void)component_id; (void)lfoundation; (void)rfoundation;
}
static void cb_new_candidate(NiceAgent *agent, guint stream_id, guint component_id,
gchar *foundation, gpointer data)
{
g_debug ("test-drop-invalid:%s: %p", G_STRFUNC, data);
/* XXX: dear compiler, these are for you: */
(void)agent; (void)stream_id; (void)data; (void)component_id; (void)foundation;
}
static void cb_initial_binding_request_received(NiceAgent *agent, guint stream_id, gpointer data)
{
g_debug ("test-drop-invalid:%s: %p", G_STRFUNC, data);
if (GPOINTER_TO_UINT (data) == 1)
global_lagent_ibr_received = TRUE;
else if (GPOINTER_TO_UINT (data) == 2)
global_ragent_ibr_received = TRUE;
if (global_exit_when_ibr_received) {
g_debug ("Received initial binding request. Stopping mailoop");
g_main_loop_quit (global_mainloop);
}
/* XXX: dear compiler, these are for you: */
(void)agent; (void)stream_id; (void)data;
}
static void set_candidates (NiceAgent *from, guint from_stream,
NiceAgent *to, guint to_stream, guint component)
{
GSList *cands = NULL;
GSList *peer_cands = NULL;
GSList *item1, *item2;
cands = nice_agent_get_local_candidates (from, from_stream, component);
peer_cands = nice_agent_get_local_candidates (to, to_stream, component);
/*
* Core of the test:
*
* Send packets that shoudl be dropped.
*/
for (item1 = cands; item1; item1 = item1->next) {
NiceCandidateImpl *cand = item1->data;
NiceSocket *nicesock = cand->sockptr;
g_assert_true (nicesock);
for (item2 = peer_cands; item2; item2 = item2->next) {
NiceCandidate *target_cand = item2->data;
nice_socket_send (nicesock, &target_cand->addr, 12, "123456789AB");
}
}
nice_agent_set_remote_candidates (to, to_stream, component, cands);
g_slist_free_full (cands, (GDestroyNotify) nice_candidate_free);
g_slist_free_full (peer_cands, (GDestroyNotify) nice_candidate_free);
}
static void set_credentials (NiceAgent *lagent, guint lstream,
NiceAgent *ragent, guint rstream)
{
gchar *ufrag = NULL, *password = NULL;
nice_agent_get_local_credentials(lagent, lstream, &ufrag, &password);
nice_agent_set_remote_credentials (ragent, rstream, ufrag, password);
g_free (ufrag);
g_free (password);
nice_agent_get_local_credentials(ragent, rstream, &ufrag, &password);
nice_agent_set_remote_credentials (lagent, lstream, ufrag, password);
g_free (ufrag);
g_free (password);
}
static guint16
get_port (NiceAgent *agent, guint stream_id, guint component_id)
{
GSList *cands = nice_agent_get_local_candidates (agent, stream_id,
component_id);
GSList *item;
guint16 port = 0;
g_assert_true (cands != NULL);
for (item = cands; item; item = item->next) {
NiceCandidate *cand = item->data;
port = nice_address_get_port (&cand->addr);
break;
}
g_assert_true (port != 0);
g_slist_free_full (cands, (GDestroyNotify) nice_candidate_free);
return port;
}
static int run_full_test (NiceAgent *lagent, NiceAgent *ragent, NiceAddress *baseaddr, guint ready, guint failed)
{
guint ls_id, rs_id;
gint ret;
guint16 port;
/* XXX: dear compiler, this is for you */
(void)baseaddr;
/* step: initialize variables modified by the callbacks */
global_components_ready = 0;
global_components_ready_exit = ready;
global_components_failed = 0;
global_components_failed_exit = failed;
global_lagent_gathering_done = FALSE;
global_ragent_gathering_done = FALSE;
global_lagent_ibr_received =
global_ragent_ibr_received = FALSE;
global_lagent_cands =
global_ragent_cands = 0;
g_object_set (G_OBJECT (lagent), "controlling-mode", TRUE, NULL);
g_object_set (G_OBJECT (ragent), "controlling-mode", FALSE, NULL);
/* step: add one stream, with RTP+RTCP components, to each agent */
ls_id = nice_agent_add_stream (lagent, 2);
rs_id = nice_agent_add_stream (ragent, 2);
g_assert_cmpuint (ls_id, >, 0);
g_assert_cmpuint (rs_id, >, 0);
/* Gather candidates and test nice_agent_set_port_range */
nice_agent_set_port_range (lagent, ls_id, 1, 10000, 11000);
nice_agent_set_port_range (lagent, ls_id, 2, 11000, 12000);
g_assert_true (nice_agent_gather_candidates (lagent, ls_id) == TRUE);
port = get_port (lagent, ls_id, 1);
nice_agent_set_port_range (ragent, rs_id, 1, 12000, 13000);
nice_agent_set_port_range (ragent, rs_id, 2, port, port);
g_assert_true (nice_agent_gather_candidates (ragent, rs_id) == FALSE);
g_assert_true (nice_agent_get_local_candidates (ragent, rs_id, 1) == NULL);
g_assert_true (nice_agent_get_local_candidates (ragent, rs_id, 2) == NULL);
nice_agent_set_port_range (ragent, rs_id, 2, 13000, 14000);
g_assert_true (nice_agent_gather_candidates (ragent, rs_id) == TRUE);
{
GSList *cands = NULL, *i;
NiceCandidate *cand = NULL;
cands = nice_agent_get_local_candidates (lagent, ls_id, 1);
g_assert_cmpuint (g_slist_length (cands), ==, 1);
cand = cands->data;
g_assert_cmpint (cand->type, ==, NICE_CANDIDATE_TYPE_HOST);
g_assert_cmpuint (nice_address_get_port (&cand->addr), >=, 10000);
g_assert_cmpuint (nice_address_get_port (&cand->addr), <=, 11000);
for (i = cands; i; i = i->next)
nice_candidate_free ((NiceCandidate *) i->data);
g_slist_free (cands);
cands = nice_agent_get_local_candidates (lagent, ls_id, 2);
g_assert_cmpuint (g_slist_length (cands), ==, 1);
cand = cands->data;
g_assert_cmpuint (cand->type, ==, NICE_CANDIDATE_TYPE_HOST);
g_assert_cmpuint (nice_address_get_port (&cand->addr), >=, 11000);
g_assert_cmpuint (nice_address_get_port (&cand->addr), <=, 12000);
for (i = cands; i; i = i->next)
nice_candidate_free ((NiceCandidate *) i->data);
g_slist_free (cands);
cands = nice_agent_get_local_candidates (ragent, rs_id, 1);
g_assert_cmpuint (g_slist_length (cands), ==, 1);
cand = cands->data;
g_assert_cmpint (cand->type, ==, NICE_CANDIDATE_TYPE_HOST);
g_assert_cmpuint (nice_address_get_port (&cand->addr), >=, 12000);
g_assert_cmpuint (nice_address_get_port (&cand->addr), <=, 13000);
for (i = cands; i; i = i->next)
nice_candidate_free ((NiceCandidate *) i->data);
g_slist_free (cands);
cands = nice_agent_get_local_candidates (ragent, rs_id, 2);
g_assert_cmpuint (g_slist_length (cands), ==, 1);
cand = cands->data;
g_assert_cmpint (cand->type, ==, NICE_CANDIDATE_TYPE_HOST);
g_assert_cmpuint (nice_address_get_port (&cand->addr), >=, 13000);
g_assert_cmpuint (nice_address_get_port (&cand->addr), <=, 14000);
for (i = cands; i; i = i->next)
nice_candidate_free ((NiceCandidate *) i->data);
g_slist_free (cands);
}
/* step: attach to mainloop (needed to register the fds) */
nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTP,
g_main_loop_get_context (global_mainloop), cb_nice_recv,
GUINT_TO_POINTER (1));
nice_agent_attach_recv (lagent, ls_id, NICE_COMPONENT_TYPE_RTCP,
g_main_loop_get_context (global_mainloop), cb_nice_recv,
GUINT_TO_POINTER (1));
nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTP,
g_main_loop_get_context (global_mainloop), cb_nice_recv,
GUINT_TO_POINTER (2));
nice_agent_attach_recv (ragent, rs_id, NICE_COMPONENT_TYPE_RTCP,
g_main_loop_get_context (global_mainloop), cb_nice_recv,
GUINT_TO_POINTER (2));
/* step: run mainloop until local candidates are ready
* (see timer_cb() above) */
if (global_lagent_gathering_done != TRUE ||
global_ragent_gathering_done != TRUE) {
g_debug ("test-drop-invalid: Added streams, running mainloop until 'candidate-gathering-done'...");
g_main_loop_run (global_mainloop);
g_assert_true (global_lagent_gathering_done == TRUE);
g_assert_true (global_ragent_gathering_done == TRUE);
}
set_credentials (lagent, ls_id, ragent, rs_id);
/* step: pass the remote candidates to agents */
set_candidates (ragent, rs_id, lagent, ls_id, NICE_COMPONENT_TYPE_RTP);
set_candidates (ragent, rs_id, lagent, ls_id, NICE_COMPONENT_TYPE_RTCP);
set_candidates (lagent, ls_id, ragent, rs_id, NICE_COMPONENT_TYPE_RTP);
set_candidates (lagent, ls_id, ragent, rs_id, NICE_COMPONENT_TYPE_RTCP);
g_debug ("test-drop-invalid: Set properties, next running mainloop until connectivity checks succeed...");
/* step: run the mainloop until connectivity checks succeed
* (see timer_cb() above) */
g_main_loop_run (global_mainloop);
/* note: verify that STUN binding requests were sent */
g_assert_true (global_lagent_ibr_received == TRUE);
g_assert_true (global_ragent_ibr_received == TRUE);
/* note: Send a packet from another address */
/* These should also be ignored */
{
NiceCandidate *local_cand = NULL;
NiceCandidate *remote_cand = NULL;
NiceSocket *tmpsock;
GError *error = NULL;
g_assert_true (nice_agent_get_selected_pair (lagent, ls_id, 1, &local_cand,
&remote_cand));
g_assert_true (local_cand);
g_assert_true (remote_cand);
tmpsock = nice_udp_bsd_socket_new (NULL, &error);
g_assert_no_error (error);
nice_socket_send (tmpsock, &remote_cand->addr, 4, "ABCD");
nice_socket_send (tmpsock, &local_cand->addr, 5, "ABCDE");
nice_socket_free (tmpsock);
}
/* note: test payload send and receive */
global_ragent_read = 0;
ret = nice_agent_send (lagent, ls_id, 1, 16, "1234567812345678");
g_assert_true (ret != -1);
g_debug ("Sent %d bytes", ret);
g_assert_cmpint (ret, ==, 16);
while (global_ragent_read != 16)
g_main_context_iteration (NULL, TRUE);
g_assert_cmpint (global_ragent_read, ==, 16);
g_debug ("test-drop-invalid: Ran mainloop, removing streams...");
/* step: clean up resources and exit */
nice_agent_remove_stream (lagent, ls_id);
nice_agent_remove_stream (ragent, rs_id);
return 0;
}
int main (void)
{
NiceAgent *lagent, *ragent; /* agent's L and R */
NiceAddress baseaddr;
int result;
guint timer_id;
#ifdef G_OS_WIN32
WSADATA w;
WSAStartup(0x0202, &w);
#endif
global_mainloop = g_main_loop_new (NULL, FALSE);
/* step: create the agents L and R */
lagent = nice_agent_new (g_main_loop_get_context (global_mainloop),
NICE_COMPATIBILITY_RFC5245);
ragent = nice_agent_new (g_main_loop_get_context (global_mainloop),
NICE_COMPATIBILITY_RFC5245);
g_object_set (G_OBJECT (lagent), "ice-tcp", FALSE, NULL);
g_object_set (G_OBJECT (ragent), "ice-tcp", FALSE, NULL);
g_object_set (G_OBJECT (lagent), "upnp", FALSE, NULL);
g_object_set (G_OBJECT (ragent), "upnp", FALSE, NULL);
nice_agent_set_software (lagent, "test-drop-invalid, Left Agent");
nice_agent_set_software (ragent, "test-drop-invalid, Right Agent");
/* step: add a timer to catch state changes triggered by signals */
timer_id = g_timeout_add (30000, timer_cb, NULL);
/* step: specify which local interface to use */
if (!nice_address_set_from_string (&baseaddr, "127.0.0.1"))
g_assert_not_reached ();
nice_agent_add_local_address (lagent, &baseaddr);
nice_agent_add_local_address (ragent, &baseaddr);
g_signal_connect (G_OBJECT (lagent), "candidate-gathering-done",
G_CALLBACK (cb_candidate_gathering_done), GUINT_TO_POINTER(1));
g_signal_connect (G_OBJECT (ragent), "candidate-gathering-done",
G_CALLBACK (cb_candidate_gathering_done), GUINT_TO_POINTER (2));
g_signal_connect (G_OBJECT (lagent), "component-state-changed",
G_CALLBACK (cb_component_state_changed), GUINT_TO_POINTER (1));
g_signal_connect (G_OBJECT (ragent), "component-state-changed",
G_CALLBACK (cb_component_state_changed), GUINT_TO_POINTER (2));
g_signal_connect (G_OBJECT (lagent), "new-selected-pair",
G_CALLBACK (cb_new_selected_pair), GUINT_TO_POINTER(1));
g_signal_connect (G_OBJECT (ragent), "new-selected-pair",
G_CALLBACK (cb_new_selected_pair), GUINT_TO_POINTER (2));
g_signal_connect (G_OBJECT (lagent), "new-candidate",
G_CALLBACK (cb_new_candidate), GUINT_TO_POINTER (1));
g_signal_connect (G_OBJECT (ragent), "new-candidate",
G_CALLBACK (cb_new_candidate), GUINT_TO_POINTER (2));
g_signal_connect (G_OBJECT (lagent), "initial-binding-request-received",
G_CALLBACK (cb_initial_binding_request_received),
GUINT_TO_POINTER (1));
g_signal_connect (G_OBJECT (ragent), "initial-binding-request-received",
G_CALLBACK (cb_initial_binding_request_received),
GUINT_TO_POINTER (2));
g_object_set (G_OBJECT (lagent), "upnp", FALSE, NULL);
g_object_set (G_OBJECT (ragent), "upnp", FALSE, NULL);
/* step: run test the first time */
g_debug ("test-drop-invalid: TEST STARTS / running test for the 1st time");
result = run_full_test (lagent, ragent, &baseaddr, 4 ,0);
priv_print_global_status ();
g_assert_cmpint (result, ==, 0);
g_assert_cmpint (global_lagent_state[0], ==, NICE_COMPONENT_STATE_READY);
g_assert_cmpint (global_lagent_state[1], ==, NICE_COMPONENT_STATE_READY);
g_assert_cmpint (global_ragent_state[0], ==, NICE_COMPONENT_STATE_READY);
g_assert_cmpint (global_ragent_state[1], ==, NICE_COMPONENT_STATE_READY);
/* When using TURN, we get peer reflexive candidates for the host cands
that we removed so we can get another new_selected_pair signal later
depending on timing/racing, we could double (or not) the amount we expected
*/
/* note: verify that correct number of local candidates were reported */
g_assert_cmpint (global_lagent_cands, ==, 2);
g_assert_cmpint (global_ragent_cands, ==, 2);
g_object_unref (lagent);
g_object_unref (ragent);
g_main_loop_unref (global_mainloop);
global_mainloop = NULL;
g_source_remove (timer_id);
#ifdef G_OS_WIN32
WSACleanup();
#endif
return result;
}
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