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8ca3597646
This indicates integer counter mode being used and helps disambiguate additional crypto suites in the future. Renamed CALLS_SRTP_SUITE_AES_128_SHA1_80 → CALLS_SRTP_SUITE_AES_128_ICM_SHA1_80 and CALLS_SRTP_SUITE_AES_128_SHA1_32 → CALLS_SRTP_SUITE_AES_128_ICM_SHA1_32
294 lines
9.6 KiB
C
294 lines
9.6 KiB
C
/*
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* Copyright (C) 2022 Purism SPC
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*
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* SPDX-License-Identifier: GPL-3.0+
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*
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* Author: Evangelos Ribeiro Tzaras <evangelos.tzaras@puri.sm>
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*/
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#include "calls-sip-call.h"
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#include "calls-sip-media-manager.h"
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#include "calls-srtp-utils.h"
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#include "gst-rfc3551.h"
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#include <glib.h>
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#include <gst/gst.h>
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static gboolean
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find_string_in_sdp_message (const char *sdp,
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const char *string)
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{
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char **split_string = NULL;
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gboolean found = FALSE;
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split_string = g_strsplit (sdp, "\r\n", -1);
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for (guint i = 0; split_string[i] != NULL; i++) {
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if (g_strcmp0 (split_string[i], string) == 0) {
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found = TRUE;
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break;
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}
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}
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g_strfreev (split_string);
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return found;
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}
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static void
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test_sip_media_manager_caps (void)
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{
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CallsSipMediaManager *manager = calls_sip_media_manager_default ();
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char *sdp_message = NULL;
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GList *codecs = NULL;
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GList *crypto_attributes;
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calls_srtp_crypto_attribute *attr;
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attr = calls_srtp_crypto_attribute_new (1);
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attr->tag = 1;
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attr->crypto_suite = CALLS_SRTP_SUITE_AES_CM_128_SHA1_80;
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calls_srtp_crypto_attribute_init_keys (attr);
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crypto_attributes = g_list_append (NULL, attr);
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/* Check single codecs */
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codecs = g_list_append (NULL, media_codec_by_name ("PCMA"));
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g_debug ("Testing generated SDP messages");
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/* PCMA RTP */
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sdp_message =
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calls_sip_media_manager_get_capabilities (manager, NULL, 40002, 40003, NULL, codecs);
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g_assert_true (sdp_message);
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g_assert_true (find_string_in_sdp_message (sdp_message,
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"m=audio 40002 RTP/AVP 8"));
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g_assert_true (find_string_in_sdp_message (sdp_message,
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"a=rtpmap:8 PCMA/8000"));
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g_assert_true (find_string_in_sdp_message (sdp_message,
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"a=rtcp:40003"));
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g_free (sdp_message);
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g_debug ("PCMA RTP test OK");
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/* PCMA SRTP */
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sdp_message =
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calls_sip_media_manager_get_capabilities (manager, NULL, 42002, 42003, crypto_attributes, codecs);
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g_assert_true (sdp_message);
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g_assert_true (find_string_in_sdp_message (sdp_message,
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"m=audio 42002 RTP/SAVP 8"));
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g_clear_pointer (&codecs, g_list_free);
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g_free (sdp_message);
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g_debug ("PCMA SRTP test OK");
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/* G722 RTP */
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codecs = g_list_append (NULL, media_codec_by_name ("G722"));
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sdp_message =
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calls_sip_media_manager_get_capabilities (manager, NULL, 42042, 55543, NULL, codecs);
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g_assert_true (sdp_message);
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g_assert_true (find_string_in_sdp_message (sdp_message,
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"m=audio 42042 RTP/AVP 9"));
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g_assert_true (find_string_in_sdp_message (sdp_message,
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"a=rtpmap:9 G722/8000"));
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g_assert_true (find_string_in_sdp_message (sdp_message,
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"a=rtcp:55543"));
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g_clear_pointer (&codecs, g_list_free);
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g_free (sdp_message);
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g_debug ("G722 RTP test OK");
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/* G722 PCMU PCMA RTP (in this order) */
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codecs = g_list_append (NULL, media_codec_by_name ("G722"));
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codecs = g_list_append (codecs, media_codec_by_name ("PCMU"));
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codecs = g_list_append (codecs, media_codec_by_name ("PCMA"));
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sdp_message =
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calls_sip_media_manager_get_capabilities (manager, NULL, 33340, 33341, NULL, codecs);
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g_assert_true (sdp_message);
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g_assert_true (find_string_in_sdp_message (sdp_message,
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"m=audio 33340 RTP/AVP 9 0 8"));
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g_assert_true (find_string_in_sdp_message (sdp_message,
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"a=rtpmap:9 G722/8000"));
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g_assert_true (find_string_in_sdp_message (sdp_message,
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"a=rtpmap:0 PCMU/8000"));
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g_assert_true (find_string_in_sdp_message (sdp_message,
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"a=rtpmap:8 PCMA/8000"));
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g_clear_pointer (&codecs, g_list_free);
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g_free (sdp_message);
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g_debug ("multiple codecs RTP test OK");
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/* GSM PCMA G722 PCMU SRTP (in this order) */
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codecs = g_list_append (NULL, media_codec_by_name ("GSM"));
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codecs = g_list_append (codecs, media_codec_by_name ("PCMA"));
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codecs = g_list_append (codecs, media_codec_by_name ("G722"));
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codecs = g_list_append (codecs, media_codec_by_name ("PCMU"));
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sdp_message =
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calls_sip_media_manager_get_capabilities (manager, NULL, 18098, 18099, crypto_attributes, codecs);
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g_assert_true (sdp_message);
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g_assert_true (find_string_in_sdp_message (sdp_message,
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"m=audio 18098 RTP/SAVP 3 8 9 0"));
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g_clear_pointer (&codecs, g_list_free);
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g_free (sdp_message);
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g_debug ("multiple codecs SRTP test OK");
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/* no codecs */
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g_test_expect_message ("CallsSipMediaManager", G_LOG_LEVEL_WARNING,
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"No supported codecs found. Can't build meaningful SDP message");
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sdp_message =
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calls_sip_media_manager_get_capabilities (manager, NULL, 25048, 25049, NULL, NULL);
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g_test_assert_expected_messages ();
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g_assert_true (sdp_message);
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g_assert_true (find_string_in_sdp_message (sdp_message,
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"m=audio 0 RTP/AVP"));
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g_free (sdp_message);
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g_debug ("no codecs test OK");
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g_list_free (crypto_attributes);
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calls_srtp_crypto_attribute_free (attr);
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}
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static void
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test_media_pipeline_states (void)
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{
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CallsSipMediaPipeline *pipeline = calls_sip_media_pipeline_new (NULL);
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MediaCodecInfo *codec = media_codec_by_name ("PCMA");
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g_assert_cmpint (calls_sip_media_pipeline_get_state (pipeline), ==,
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CALLS_MEDIA_PIPELINE_STATE_NEED_CODEC);
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calls_sip_media_pipeline_set_codec (pipeline, codec);
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g_assert_cmpint (calls_sip_media_pipeline_get_state (pipeline), ==,
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CALLS_MEDIA_PIPELINE_STATE_READY);
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calls_sip_media_pipeline_start (pipeline);
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g_assert_cmpint (calls_sip_media_pipeline_get_state (pipeline), ==,
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CALLS_MEDIA_PIPELINE_STATE_PLAY_PENDING);
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calls_sip_media_pipeline_pause (pipeline, TRUE);
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g_assert_cmpint (calls_sip_media_pipeline_get_state (pipeline), ==,
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CALLS_MEDIA_PIPELINE_STATE_PAUSE_PENDING);
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calls_sip_media_pipeline_pause (pipeline, FALSE);
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g_assert_cmpint (calls_sip_media_pipeline_get_state (pipeline), ==,
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CALLS_MEDIA_PIPELINE_STATE_PLAY_PENDING);
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calls_sip_media_pipeline_stop (pipeline);
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g_assert_cmpint (calls_sip_media_pipeline_get_state (pipeline), ==,
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CALLS_MEDIA_PIPELINE_STATE_STOP_PENDING);
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g_assert_finalize_object (pipeline);
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}
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static void
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test_media_pipeline_setup_codecs (void)
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{
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const char * const codec_names[] = {"PCMA", "PCMU", "GSM", "G722"};
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for (uint i = 0; i < G_N_ELEMENTS (codec_names); i++) {
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g_autoptr (CallsSipMediaPipeline) pipeline = calls_sip_media_pipeline_new (NULL);
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MediaCodecInfo *codec = media_codec_by_name ("PCMA");
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g_assert_cmpint (calls_sip_media_pipeline_get_state (pipeline), ==,
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CALLS_MEDIA_PIPELINE_STATE_NEED_CODEC);
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calls_sip_media_pipeline_set_codec (pipeline, codec);
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g_assert_cmpint (calls_sip_media_pipeline_get_state (pipeline), ==,
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CALLS_MEDIA_PIPELINE_STATE_READY);
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}
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}
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static void
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test_media_pipeline_start_no_codec (void)
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{
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g_autoptr (CallsSipMediaPipeline) pipeline = calls_sip_media_pipeline_new (NULL);
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g_assert_cmpint (calls_sip_media_pipeline_get_state (pipeline), ==,
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CALLS_MEDIA_PIPELINE_STATE_NEED_CODEC);
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g_test_expect_message ("CallsSipMediaPipeline", G_LOG_LEVEL_WARNING,
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"Cannot start pipeline because it's not ready");
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calls_sip_media_pipeline_start (pipeline);
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g_test_assert_expected_messages ();
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g_test_expect_message ("CallsSipMediaPipeline", G_LOG_LEVEL_WARNING,
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"Cannot pause or unpause pipeline because it's not currently active");
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calls_sip_media_pipeline_pause (pipeline, TRUE);
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g_test_assert_expected_messages ();
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}
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static void
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test_media_pipeline_finalized_in_call (void)
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{
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CallsSipMediaManager *manager = calls_sip_media_manager_default ();
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CallsSipMediaPipeline *pipeline = calls_sip_media_pipeline_new (NULL);
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CallsSipCall *call = calls_sip_call_new ("sip:alice@example.org",
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TRUE,
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"127.0.0.1",
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pipeline,
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SIP_MEDIA_ENCRYPTION_NONE,
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NULL);
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g_object_unref (call);
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g_assert_finalize_object (pipeline);
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pipeline = calls_sip_media_manager_get_pipeline (manager);
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call = calls_sip_call_new ("sip:bob@example.org",
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TRUE,
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"127.0.0.1",
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pipeline,
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SIP_MEDIA_ENCRYPTION_NONE,
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NULL);
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g_object_unref (call);
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g_assert_finalize_object (pipeline);
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}
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int
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main (int argc,
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char *argv[])
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{
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CallsSipMediaManager *manager = calls_sip_media_manager_default ();
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int ret;
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g_test_init (&argc, &argv, NULL);
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gst_init (NULL, NULL);
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g_test_add_func ("/Calls/media/media_manager/capabilities", test_sip_media_manager_caps);
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g_test_add_func ("/Calls/media/pipeline/states", test_media_pipeline_states);
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g_test_add_func ("/Calls/media/pipeline/setup_codecs", test_media_pipeline_setup_codecs);
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g_test_add_func ("/Calls/media/pipeline/start_no_codec", test_media_pipeline_start_no_codec);
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g_test_add_func ("/Calls/media/pipeline/finalized_in_call", test_media_pipeline_finalized_in_call);
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ret = g_test_run ();
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g_assert_finalize_object (manager);
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gst_deinit ();
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return ret;
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}
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