gstreamer/subprojects/gst-plugins-bad/tests/check/elements/srtp.c

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/* GStreamer unit tests for the srtp elements
* Copyright (C) 2007 Tim-Philipp Müller <tim centricular net>
* Copyright (C) 2008 Sebastian Dröge <slomo@circular-chaos.org>
* Copyright (C) 2016 Collabora Ltd <vincent.penquerch@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_VALGRIND
#include <valgrind/valgrind.h>
#endif
#include <gst/check/gstcheck.h>
#include <gst/check/gstharness.h>
GST_START_TEST (test_create_and_unref)
{
GstElement *e;
e = gst_element_factory_make ("srtpenc", NULL);
fail_unless (e != NULL);
gst_element_set_state (e, GST_STATE_NULL);
gst_object_unref (e);
e = gst_element_factory_make ("srtpdec", NULL);
fail_unless (e != NULL);
gst_element_set_state (e, GST_STATE_NULL);
gst_object_unref (e);
}
GST_END_TEST;
static void
check_play (const gchar * encode_key, const gchar * decode_key,
guint buffer_count, guint expected_recv_count,
guint expected_recv_drop_count, guint port)
{
GstElement *source_pipeline, *sink_pipeline;
GstBus *source_bus;
GstMessage *msg;
GstStructure *stats;
guint recv_count = 0;
guint drop_count = 0;
GstElement *srtp_dec;
gchar *source_pipeline_desc = g_strdup_printf ("audiotestsrc num-buffers=%d \
! alawenc ! rtppcmapay ! application/x-rtp, payload=(int)8, ssrc=(uint)1356955624 \
! srtpenc name=enc key=%s ! udpsink port=%d sync=false host=127.0.0.1", buffer_count, encode_key, port);
gchar *sink_pipeline_desc =
g_strdup_printf ("udpsrc port=%d caps=\"application/x-srtp, \
payload=(int)8, ssrc=(uint)1356955624, srtp-key=(buffer)%s, srtp-cipher=(string)aes-128-icm, \
srtp-auth=(string)hmac-sha1-80, srtcp-cipher=(string)aes-128-icm, srtcp-auth=(string)hmac-sha1-80\" \
! srtpdec name=dec ! rtppcmadepay ! alawdec ! fakesink", port, decode_key);
source_pipeline = gst_parse_launch (source_pipeline_desc, NULL);
sink_pipeline = gst_parse_launch (sink_pipeline_desc, NULL);
g_free (source_pipeline_desc);
g_free (sink_pipeline_desc);
fail_unless (gst_element_set_state (source_pipeline,
GST_STATE_PLAYING) != GST_STATE_CHANGE_FAILURE);
fail_unless (gst_element_set_state (sink_pipeline,
GST_STATE_PLAYING) != GST_STATE_CHANGE_FAILURE);
source_bus = gst_pipeline_get_bus (GST_PIPELINE (source_pipeline));
msg =
gst_bus_timed_pop_filtered (source_bus, GST_CLOCK_TIME_NONE,
GST_MESSAGE_ERROR | GST_MESSAGE_EOS);
fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS);
gst_message_unref (msg);
// Wait 3s that all the buffers reached the sink pipeline entirely
g_usleep (G_USEC_PER_SEC * 3);
srtp_dec = gst_bin_get_by_name (GST_BIN (sink_pipeline), "dec");
g_object_get (srtp_dec, "stats", &stats, NULL);
gst_structure_get_uint (stats, "recv-count", &recv_count);
fail_unless (recv_count == expected_recv_count);
gst_structure_get_uint (stats, "recv-drop-count", &drop_count);
fail_unless (drop_count == expected_recv_drop_count);
gst_object_unref (srtp_dec);
gst_structure_free (stats);
gst_object_unref (source_bus);
gst_element_set_state (source_pipeline, GST_STATE_NULL);
gst_element_set_state (sink_pipeline, GST_STATE_NULL);
gst_object_unref (source_pipeline);
gst_object_unref (sink_pipeline);
}
GST_START_TEST (test_play)
{
check_play ("012345678901234567890123456789012345678901234567890123456789",
"012345678901234567890123456789012345678901234567890123456789", 50, 50,
0, 5064);
}
GST_END_TEST;
GST_START_TEST (test_play_key_error)
{
check_play ("012345678901234567890123456789012345678901234567890123456789",
"000000000000000000000000000000000000000000000000000000000000", 50, 50,
50, 5074);
}
GST_END_TEST;
typedef struct
{
guint counter;
guint start_roc;
} roc_check_data;
static guint
get_roc (GstElement * e)
{
GstStructure *stats;
const GstStructure *ss;
const GValue *v;
guint roc = 0;
g_object_get (e, "stats", &stats, NULL);
v = gst_structure_get_value (stats, "streams");
fail_unless (v);
v = gst_value_array_get_value (v, 0);
ss = gst_value_get_structure (v);
gst_structure_get_uint (ss, "roc", &roc);
gst_structure_free (stats);
return roc;
}
static GstPadProbeReturn
roc_check_probe (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
{
roc_check_data *data = user_data;
GstElement *e = GST_PAD_PARENT (pad);
if (G_UNLIKELY (data->counter % 8192 == 0))
GST_DEBUG_OBJECT (pad, "counter at %d", data->counter);
/* record first roc, then wait for 2^16 packets to pass */
if (data->counter == 0) {
data->start_roc = get_roc (e);
} else if (data->counter == 65536) {
/* get roc and check it's one more than what we started with */
fail_unless ((get_roc (e) & 0xffff) == ((data->start_roc + 1) & 0xffff));
}
data->counter++;
return GST_PAD_PROBE_OK;
}
static GstCaps *
request_key (void)
{
GstCaps *caps;
caps =
gst_caps_from_string
("application/x-srtp, payload=(int)8, ssrc=(uint)1356955624, srtp-key=(buffer)012345678901234567890123456789012345678901234567890123456789, srtp-cipher=(string)aes-128-icm, srtp-auth=(string)hmac-sha1-80, srtcp-cipher=(string)aes-128-icm, srtcp-auth=(string)hmac-sha1-80");
return caps;
}
GST_START_TEST (test_roc)
{
GstElement *source_pipeline, *sink_pipeline;
GstElement *srtpenc, *srtpdec;
GstBus *source_bus, *sink_bus;
GstMessage *msg;
GstPad *pad;
roc_check_data source_roc_check_data, sink_roc_check_data;
source_pipeline =
gst_parse_launch
("audiotestsrc num-buffers=65555 ! alawenc ! rtppcmapay ! application/x-rtp, payload=(int)8, ssrc=(uint)1356955624 ! srtpenc name=enc key=012345678901234567890123456789012345678901234567890123456789 ! udpsink port=5004 sync=false host=127.0.0.1",
NULL);
sink_pipeline =
gst_parse_launch
("udpsrc port=5004 caps=\"application/x-srtp, payload=(int)8, ssrc=(uint)1356955624, srtp-key=(buffer)012345678901234567890123456789012345678901234567890123456789, srtp-cipher=(string)aes-128-icm, srtp-auth=(string)hmac-sha1-80, srtcp-cipher=(string)aes-128-icm, srtcp-auth=(string)hmac-sha1-80\" ! srtpdec name=dec ! rtppcmadepay ! alawdec ! fakesink",
NULL);
fail_unless (gst_element_set_state (source_pipeline,
GST_STATE_PLAYING) != GST_STATE_CHANGE_FAILURE);
fail_unless (gst_element_set_state (sink_pipeline,
GST_STATE_PLAYING) != GST_STATE_CHANGE_FAILURE);
source_bus = gst_pipeline_get_bus (GST_PIPELINE (source_pipeline));
sink_bus = gst_pipeline_get_bus (GST_PIPELINE (sink_pipeline));
/* install a pad probe on the srtp elements' source pads */
srtpenc = gst_bin_get_by_name (GST_BIN (source_pipeline), "enc");
fail_unless (srtpenc != NULL);
pad = gst_element_get_static_pad (srtpenc, "rtp_src_0");
fail_unless (pad != NULL);
source_roc_check_data.counter = 0;
gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_BUFFER, roc_check_probe,
&source_roc_check_data, NULL);
gst_object_unref (pad);
gst_object_unref (srtpenc);
srtpdec = gst_bin_get_by_name (GST_BIN (sink_pipeline), "dec");
fail_unless (srtpdec != NULL);
g_signal_connect (srtpdec, "request_key", G_CALLBACK (request_key),
GINT_TO_POINTER (0));
pad = gst_element_get_static_pad (srtpdec, "rtp_src");
sink_roc_check_data.counter = 0;
gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_BUFFER, roc_check_probe,
&sink_roc_check_data, NULL);
fail_unless (pad != NULL);
gst_object_unref (pad);
gst_object_unref (srtpdec);
msg =
gst_bus_timed_pop_filtered (source_bus, GST_CLOCK_TIME_NONE,
GST_MESSAGE_ERROR | GST_MESSAGE_EOS);
fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS);
gst_message_unref (msg);
gst_object_unref (source_bus);
gst_object_unref (sink_bus);
gst_element_set_state (source_pipeline, GST_STATE_NULL);
gst_element_set_state (sink_pipeline, GST_STATE_NULL);
gst_object_unref (source_pipeline);
gst_object_unref (sink_pipeline);
}
GST_END_TEST;
#ifdef HAVE_SRTP2
GST_START_TEST (test_simple_mki)
{
GstElement *pipeline;
GstElement *dec;
GstPad *pad;
GstBus *bus;
GstMessage *msg;
GstCaps *caps1, *caps2;
pipeline =
gst_parse_launch
("audiotestsrc num-buffers=50 ! alawenc ! rtppcmapay ! application/x-rtp, payload=(int)8, ssrc=(uint)1356955624 ! srtpenc name=enc key=012345678901234567890123456789012345678901234567890123456789 mki=1234 ! srtpdec name=dec ! rtppcmadepay ! alawdec ! fakesink",
NULL);
fail_unless (gst_element_set_state (pipeline,
GST_STATE_PLAYING) != GST_STATE_CHANGE_FAILURE);
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
msg =
gst_bus_timed_pop_filtered (bus, GST_CLOCK_TIME_NONE,
GST_MESSAGE_ERROR | GST_MESSAGE_EOS);
fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS);
gst_message_unref (msg);
gst_object_unref (bus);
dec = gst_bin_get_by_name (GST_BIN (pipeline), "dec");
fail_unless (dec);
pad = gst_element_get_static_pad (dec, "rtp_sink");
fail_unless (pad);
g_object_get (pad, "caps", &caps1, NULL);
fail_unless (caps1);
caps2 =
gst_caps_from_string
("application/x-srtp, srtp-key=(buffer)012345678901234567890123456789012345678901234567890123456789, mki=(buffer)1234");
fail_unless (gst_caps_can_intersect (caps1, caps2));
gst_caps_unref (caps1);
gst_caps_unref (caps2);
gst_object_unref (pad);
gst_object_unref (dec);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
}
GST_END_TEST;
GST_START_TEST (test_srtpdec_multiple_mki)
{
static const char CAPS_RTP[] =
"application/x-rtp, media=(string)audio, clock-rate=(int)8000, encoding-name=(string)PCMA, payload=(int)8, ssrc=(uint)2648728855";
static const char CAPS_SRTP[] =
"application/x-srtp, media=(string)audio, clock-rate=(int)8000, encoding-name=(string)PCMA, payload=(int)8, ssrc=(uint)2648728855, srtp-key=(buffer)012345678901234567890123456789012345678901234567890123456789, mki=(buffer)01, srtp-cipher=(string)aes-128-icm, srtp-auth=(string)hmac-sha1-80, srtcp-cipher=(string)aes-128-icm, srtcp-auth=(string)hmac-sha1-80, srtp-key2=(buffer)678901234567890123456789012345678901234567890123456780123456, mki2=(buffer)02";
unsigned char DECRYPTED_1_PKT[] = {
0x80, 0x88, 0x13, 0xe1, 0x87, 0x76, 0xda, 0x98, 0x9d, 0xe0, 0x65, 0x17,
0xb4, 0xa5, 0xa3, 0xac, 0xac, 0xa3, 0xa5, 0xb7, 0xfc, 0x0a
};
unsigned int DECRYPTED_1_PKT_LEN = 22;
unsigned char DECRYPTED_2_PKT[] = {
0x80, 0x08, 0x13, 0xe2, 0x87, 0x76, 0xda, 0xa2, 0x9d, 0xe0, 0x65, 0x17,
0x3a, 0x20, 0x2d, 0x2c, 0x23, 0x24, 0x31, 0x6c, 0x89, 0xbb
};
unsigned int DECRYPTED_2_PKT_LEN = 22;
unsigned char DECRYPTED_3_PKT[] = {
0x80, 0x08, 0x13, 0xe3, 0x87, 0x76, 0xda, 0xac, 0x9d, 0xe0, 0x65, 0x17,
0xa0, 0xad, 0xac, 0xa2, 0xa7, 0xb0, 0x96, 0x0c, 0x39, 0x21
};
unsigned int DECRYPTED_3_PKT_LEN = 22;
unsigned char MKI_1_01_PKT[] = {
0x80, 0x88, 0x13, 0xe1, 0x87, 0x76, 0xda, 0x98, 0x9d, 0xe0, 0x65, 0x17,
0xd7, 0x16, 0xac, 0x3e, 0x60, 0x08, 0x04, 0xd6, 0xfb, 0x0e, 0x01, 0x77,
0x93, 0x20, 0x3f, 0x45, 0x2c, 0xb3, 0x74, 0xd1, 0x20
};
unsigned int MKI_1_01_PKT_LEN = 33;
unsigned char MKI_2_02_PKT[] = {
0x80, 0x08, 0x13, 0xe2, 0x87, 0x76, 0xda, 0xa2, 0x9d, 0xe0, 0x65, 0x17,
0xc4, 0x69, 0x8c, 0xb3, 0xf8, 0x64, 0x66, 0x78, 0x7f, 0x1d, 0x02, 0x8f,
0x50, 0x57, 0xff, 0xa4, 0x80, 0xe6, 0x68, 0x74, 0x21
};
unsigned int MKI_2_02_PKT_LEN = 33;
unsigned char MKI_3_01_PKT[] = {
0x80, 0x08, 0x13, 0xe3, 0x87, 0x76, 0xda, 0xac, 0x9d, 0xe0, 0x65, 0x17,
0xa6, 0xdf, 0x77, 0x4c, 0xb0, 0xe9, 0x3c, 0x1a, 0x54, 0x6f, 0x01, 0x9d,
0xc3, 0x4b, 0x1d, 0x29, 0x67, 0xa0, 0x4d, 0xde, 0xec
};
unsigned int MKI_3_01_PKT_LEN = 33;
GstHarness *h =
gst_harness_new_with_padnames ("srtpdec", "rtp_sink", "rtp_src");
GstBuffer *buf;
gst_harness_set_caps_str (h, CAPS_SRTP, CAPS_RTP);
buf = gst_harness_push_and_pull (h,
gst_buffer_new_wrapped_full (GST_MEMORY_FLAG_READONLY,
(char *) MKI_1_01_PKT, MKI_1_01_PKT_LEN, 0, MKI_1_01_PKT_LEN, NULL,
NULL));
fail_unless (buf);
fail_unless_equals_int (gst_buffer_get_size (buf), DECRYPTED_1_PKT_LEN);
fail_unless (!gst_buffer_memcmp (buf, 0, DECRYPTED_1_PKT,
DECRYPTED_1_PKT_LEN));
gst_buffer_unref (buf);
buf = gst_harness_push_and_pull (h,
gst_buffer_new_wrapped_full (GST_MEMORY_FLAG_READONLY,
(char *) MKI_2_02_PKT, MKI_2_02_PKT_LEN, 0, MKI_2_02_PKT_LEN, NULL,
NULL));
fail_unless_equals_int (gst_buffer_get_size (buf), DECRYPTED_2_PKT_LEN);
fail_unless (!gst_buffer_memcmp (buf, 0, DECRYPTED_2_PKT,
DECRYPTED_2_PKT_LEN));
gst_buffer_unref (buf);
buf = gst_harness_push_and_pull (h,
gst_buffer_new_wrapped_full (GST_MEMORY_FLAG_READONLY,
(char *) MKI_3_01_PKT, MKI_3_01_PKT_LEN, 0, MKI_3_01_PKT_LEN, NULL,
NULL));
fail_unless_equals_int (gst_buffer_get_size (buf), DECRYPTED_3_PKT_LEN);
fail_unless (!gst_buffer_memcmp (buf, 0, DECRYPTED_3_PKT,
DECRYPTED_3_PKT_LEN));
gst_buffer_unref (buf);
gst_harness_teardown (h);
}
GST_END_TEST;
#endif
static Suite *
srtp_suite (void)
{
Suite *s = suite_create ("srtp");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_set_timeout (tc_chain, 180);
tcase_add_test (tc_chain, test_create_and_unref);
tcase_add_test (tc_chain, test_play);
tcase_add_test (tc_chain, test_roc);
tcase_add_test (tc_chain, test_play_key_error);
#ifdef HAVE_SRTP2
tcase_add_test (tc_chain, test_simple_mki);
tcase_add_test (tc_chain, test_srtpdec_multiple_mki);
#endif
return s;
}
GST_CHECK_MAIN (srtp);