/* GStreamer unit tests for the srtp elements * Copyright (C) 2007 Tim-Philipp Müller * Copyright (C) 2008 Sebastian Dröge * Copyright (C) 2016 Collabora Ltd * * 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 #endif #include #include 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);