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Copy pathmediastreamer2_double_encryption_tester.cpp
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mediastreamer2_double_encryption_tester.cpp
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/*
* Copyright (c) 2010-2019 Belledonne Communications SARL.
*
* This file is part of mediastreamer2.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "bctoolbox/vfs_standard.h"
#include "mediastreamer2/dtmfgen.h"
#include "mediastreamer2/mediastream.h"
#include "mediastreamer2/msfileplayer.h"
#include "mediastreamer2/msfilerec.h"
#include "mediastreamer2/msrtp.h"
#include "mediastreamer2/mstonedetector.h"
#include "mediastreamer2/msutils.h"
#include "mediastreamer2/msvolume.h"
#include "mediastreamer2_tester.h"
#include "mediastreamer2_tester_private.h"
#define HELLO_8K_1S_FILE "sounds/hello8000-1s.wav"
/* Payload types: define several payload types as the relay would change it */
#define MARIELLE_PAYLOAD_TYPE 121
#define PAULINE_PAYLOAD_TYPE 123
#define RELAY_PAYLOAD_TYPE 123
static MSFactory *_factory = NULL;
static RtpProfile *profile = NULL;
static int tester_before_all(void) {
// ms_init();
_factory = ms_tester_factory_new();
ms_factory_enable_statistics(_factory, TRUE);
ortp_init();
profile = rtp_profile_new("default profile");
rtp_profile_set_payload(profile, MARIELLE_PAYLOAD_TYPE, &payload_type_pcmu8000);
rtp_profile_set_payload(profile, PAULINE_PAYLOAD_TYPE, &payload_type_pcmu8000);
rtp_profile_set_payload(profile, RELAY_PAYLOAD_TYPE, &payload_type_pcmu8000);
return 0;
}
static int tester_after_all(void) {
// ms_exit();
rtp_profile_destroy(profile);
ms_factory_destroy(_factory);
return 0;
}
#define MARIELLE_RTP_PORT (base_port + 11)
#define MARIELLE_RTCP_PORT (base_port + 12)
#define MARGAUX_RTP_PORT (base_port + 13)
#define MARGAUX_RTCP_PORT (base_port + 14)
#define PAULINE_RTP_PORT (base_port + 15)
#define PAULINE_RTCP_PORT (base_port + 16)
/* Relay gets three pairs of port one for each correspondant */
#define RELAY_MARIELLE_RTP_PORT (base_port + 17)
#define RELAY_MARIELLE_RTCP_PORT (base_port + 18)
#define RELAY_MARGAUX_RTP_PORT (base_port + 19)
#define RELAY_MARGAUX_RTCP_PORT (base_port + 20)
#define RELAY_PAULINE_RTP_PORT (base_port + 21)
#define RELAY_PAULINE_RTCP_PORT (base_port + 22)
/* identify streams in bundle */
/* short ID header extension fit in 2 bytes, which means they can be added in the padding space left by audio level
* extension */
#define SHORT_MID_MARIELLE_SESSION "m"
#define SHORT_MID_MARIELLE_SESSION_BIS "n"
#define SHORT_MID_PAULINE_SESSION "p"
#define SHORT_MID_MARIELLE_SOURCE_SESSION "a"
#define SHORT_MID_MARIELLE_SOURCE_SESSION_BIS "b"
/* long ID header extension fit in 8 or 9 bytes, which means they cannot fit in any padding and request the allocation
* of more space */
#define LONG_MID_MARIELLE_SESSION "marielle"
#define LONG_MID_MARIELLE_SESSION_BIS "marielle_bis"
#define LONG_MID_PAULINE_SESSION "pauline"
#define LONG_MID_MARIELLE_SOURCE_SESSION "Marielle"
#define LONG_MID_MARIELLE_SOURCE_SESSION_BIS "MarielleBis"
static void push_rtp_session_into_list(bctbx_list_t *l, RtpSession *s) {
bctbx_list_t *elem;
for (elem = l; elem != nullptr; elem = elem->next) {
RtpSession **pps = (RtpSession **)elem->data;
if (*pps == nullptr) {
*pps = s;
return;
}
}
BC_FAIL("push_rtp_session_into_list(): Unexpected RtpSession");
}
static void
new_ssrc_incoming_in_bundle(BCTBX_UNUSED(RtpSession *session), BCTBX_UNUSED(void *mp), void *s, void *userData) {
RtpSession **newSession = (RtpSession **)s;
bctbx_list_t *margaux_sessions_list = (bctbx_list_t *)userData;
*newSession = rtp_session_new(RTP_SESSION_RECVONLY);
rtp_session_set_profile(*newSession, profile);
rtp_session_enable_jitter_buffer(*newSession,
FALSE); // Disable jitter buffer for the final recipient, we want to get data
// when they arrive, we're assuming no loss
rtp_session_enable_rtcp(*newSession, FALSE);
rtp_session_set_payload_type(*newSession, RELAY_PAYLOAD_TYPE);
push_rtp_session_into_list(margaux_sessions_list, *newSession);
}
static void
new_ssrc_outgoing_in_bundle(BCTBX_UNUSED(RtpSession *session), BCTBX_UNUSED(void *mp), void *s, void *userData) {
RtpSession **newSession = (RtpSession **)s;
bctbx_list_t *relay_sessions_list = (bctbx_list_t *)userData;
*newSession = rtp_session_new(RTP_SESSION_SENDONLY);
rtp_session_set_profile(*newSession, profile);
rtp_session_enable_transfer_mode(*newSession, TRUE); // relay rtp session is in transfer mode
rtp_session_enable_rtcp(*newSession, FALSE);
rtp_session_set_payload_type(*newSession, RELAY_PAYLOAD_TYPE);
// the session list holds 2 sessions, use them one after the other to create sessions
push_rtp_session_into_list(relay_sessions_list, *newSession);
}
namespace {
struct test_params {
MSCryptoSuite outerSuite; /**< SRTP crypto suite used for outer encryption */
bool useInnerEncryption; /**< When set off do not use inner encryption - default in On */
MSCryptoSuite innerSuite; /**< SRTP crypto suite used for inner encryption */
bool useParticipantVolume; /**< include participant volumes (force usage of other extension header) */
bool useLongBundleId; /**< use long strings for bundle Id -> ofrce re-allocation in packet header */
bool useBundledSource; /**< Marie streams 2 sessions bundled */
bool useEkt; /**< inner encryption key SRPT are exchanged using EKT tag - EKT exchange is not part of this test */
bool skipPaulineBegin; /**< Pauline first 12 packets are lost, so Margaux starts getting packets from Pauline after
the ROC change */
bool discardPaulinePackets; /**< Relay discards 10 packets from Pauline index 20 to 29 -> test seq num continuity on
final recipient: no packet loss detected */
bool useSharedMid; /**< relayed bundled sessions are using the same MID: relay will declare the three sessions with
same MID (and must identify the correct one when sending). On the reception side, Margaux has
three sessions, SSRC are pre-assigned on send and receive are pre-assigned - implies
useLongBundleId and useBundledSource */
bool autodiscoverBundleSessions; /**< relay to margaux sessions are auto discovered: create only one session (on
relay side and on margaux side) and set it in a bundle. Bundle callbacks create
new session on needed basis.Implies shared_mid and useEkt(as we cannot set
inner keys without knowing first the expected SSRC */
test_params()
: outerSuite{MS_AES_128_SHA1_80}, useInnerEncryption{true}, innerSuite{MS_AEAD_AES_256_GCM},
useParticipantVolume{false}, useLongBundleId{false}, useBundledSource{false}, useEkt{false},
skipPaulineBegin{false}, discardPaulinePackets{false}, useSharedMid{false},
autodiscoverBundleSessions{false} {
}
};
} // namespace
static bool_t double_encrypted_rtp_relay_data_base(test_params &p) {
if (!ms_srtp_supported()) {
ms_warning("srtp not available, skiping...");
return TRUE;
}
// auto discover implies using ekt and shared Mid
if (p.autodiscoverBundleSessions) {
p.useSharedMid = true;
if (p.useInnerEncryption) {
p.useEkt = true;
}
}
// Share MID implies using bundled source and long bundle id
if (p.useSharedMid) {
p.useBundledSource = true;
p.useLongBundleId = true;
}
char *hello_file = bc_tester_res(HELLO_8K_1S_FILE);
BCTBX_SLOGI << "Double encrypted rtp relay test - Params:" << std::endl
<< " - Outer suite : " << (ms_crypto_suite_to_string(p.outerSuite)) << std::endl
<< " - Inner suite : " << (ms_crypto_suite_to_string(p.innerSuite)) << std::endl
<< " - useInnerEncryption : " << p.useInnerEncryption << std::endl
<< " - useParticipantVolume : " << p.useParticipantVolume << std::endl
<< " - useLongBundleId : " << p.useLongBundleId << std::endl
<< " - useBundledSource : " << p.useBundledSource << std::endl
<< " - useEkt : " << p.useEkt << std::endl
<< " - useSharedMid : " << p.useSharedMid << std::endl
<< " - skipPaulineBegin : " << p.skipPaulineBegin << std::endl
<< " - discardPaulinePackets : " << p.discardPaulinePackets << std::endl
<< " - autodiscoverBundleSessions : " << p.autodiscoverBundleSessions << std::endl;
bctbx_vfs_file_t *fp = bctbx_file_open(&bcStandardVfs, hello_file, "r");
bc_free(hello_file);
bctbx_list_t *margaux_sessions_list = NULL;
bctbx_list_t *relay_sessions_list = NULL;
MSEKTParametersSet ekt_params;
if (p.useEkt) {
p.useInnerEncryption = true;
uint8_t master_salt[14] = {
0x01, 0x10, 0x11, 0x04, 0x40, 0x44, 0x07,
0x70, 0x77, 0x0a, 0xa0, 0xaa, 0xf0, 0x0f}; // 14 bytes master salt even if we may end up using only 12 bytes
// 32 bytes EKT key value even if we may endup using only 16
uint8_t key_value[32] = {0x23, 0xd4, 0x19, 0x12, 0x7e, 0x85, 0xa3, 0x14, 0xa8, 0x47, 0x71,
0x2d, 0x04, 0x3c, 0x31, 0x50, 0xad, 0x2d, 0x16, 0x97, 0xa1, 0x60,
0x41, 0xe4, 0xc5, 0xec, 0x78, 0xc1, 0xdf, 0x99, 0xb8, 0xd9};
MSEKTCipherType ekt_cipher = MS_EKT_CIPHERTYPE_AESKW128;
if (p.innerSuite == MS_AES_256_SHA1_80 || p.innerSuite == MS_AES_256_SHA1_32 ||
p.innerSuite == MS_AEAD_AES_256_GCM) {
ekt_cipher = MS_EKT_CIPHERTYPE_AESKW256;
}
ekt_params.ekt_cipher_type = ekt_cipher;
ekt_params.ekt_srtp_crypto_suite = p.innerSuite;
memcpy(ekt_params.ekt_key_value, key_value, 32);
memcpy(ekt_params.ekt_master_salt, master_salt, 14);
ekt_params.ekt_spi = 0x1234;
ekt_params.ekt_ttl = 0; // do not use ttl
}
const char *aes_128_bits_marielle_outer_key = "d0RmdmcmVCspeEc3QGZiNWpVLFJhQX1cfHAwJSoj";
const char *aes_128_bits_marielle_inner_key = "eCYF4nYyCvmCpFWjUeDaxI2GWp2BzCRlIPfg52Te";
const char *aes_128_bits_pauline_outer_key = "6jCLmtRkVW9E/BUuJtYj/R2z6+4iEe06/DWohQ9F";
const char *aes_128_bits_pauline_inner_key = "CVamr4a05ebeHUhZGuoNcY5PpaxWR59uYFwzu0Am";
const char *aes_128_bits_margaux_outer_key = "2qgyEDZiYTtaxgY+rKJUemLKMFbCy6LsWfhAuCxG";
const char *aes_256_bits_marielle_outer_key = "nJNTwiMkyAu8zs0MWUiSQbnBL4M+xkWTYgrVLR2eFwZyO+ca2UqBy2Uh9pVRbA==";
const char *aes_256_bits_marielle_inner_key = "N3vq6TMfvtyYpqGaEi9vAHMCzgWJvaD1PIfwEYtdEgI2ACezZo2vpOdV2YWEcQ==";
const char *aes_256_bits_pauline_outer_key = "UKg69sFLbrA7d0hEVKMtT83R3GR3sjhE0XMqNBbQ+axoDWMP5dQNfjNuSQQHbw==";
const char *aes_256_bits_pauline_inner_key = "ilm37gyQGIV62ISFvFPsKqm2Zma/rcDG4kTp2jsh+nOwMHSZg4SNB/y28Twrvw==";
const char *aes_256_bits_margaux_outer_key = "EJ1w/9QVGT0TkLdE3CR5ZHMkf7I/j9bORHAFGKo7cIjZ39Yl8ZZfaR4Yg9XL2g==";
const char *aes_gcm_128_bits_marielle_outer_key = "bkTcxXe9N3/vHKKiqQAqmL0qJ+CSiWRat/Tadg==";
const char *aes_gcm_128_bits_marielle_inner_key = "MPKEi1/zHMH9osL2FIxUH/r3BiPjgS/LWIiTPA==";
const char *aes_gcm_128_bits_pauline_outer_key = "Ya+BvAxQUqPer3X/AF4gDJUT4pVjbYc6O+u1pg==";
const char *aes_gcm_128_bits_pauline_inner_key = "dTgaAhtNHGQa9Zt4WRrcKrfjXt+2tOfUTvSg5Q==";
const char *aes_gcm_128_bits_margaux_outer_key = "wc2/ctTL3CHjxBf4h35WXCACxKhNxGS7q+t0ww==";
const char *aes_gcm_256_bits_marielle_outer_key = "WpvA7zUhbhJ2i1ui2nOX43QjrOwCGBkaCPtjnphQKwv/L+GdscAKGQWzG/c=";
const char *aes_gcm_256_bits_marielle_inner_key = "J74fLdR6tp6EwJVgWjtcGufB7GcR64kAHbIbZyGKVq62acCZmx4mNNLIkus=";
const char *aes_gcm_256_bits_pauline_outer_key = "PtyD6l92cGR643om/5dEIGirCCxPeL9/LJF7PaFMoMocqMrz73CO0Fz7L20=";
const char *aes_gcm_256_bits_pauline_inner_key = "sIimmQ8m4PWKl1x1iu+H1uqj3pcVtvg6LDNmFEdPOLxbClt+8ZQ8DmJ/PRg=";
const char *aes_gcm_256_bits_margaux_outer_key = "ng3FvX7U7GZqZ8gpVioo8mR0qQFrJZF8QxCgMdJ75IKB3ZRRwEWgtYREN50=";
const char *marielle_outer_key = NULL;
const char *pauline_outer_key = NULL;
const char *margaux_outer_key = NULL;
const char *marielle_inner_key = NULL;
const char *pauline_inner_key = NULL;
switch (p.outerSuite) {
case MS_AES_128_SHA1_32:
case MS_AES_128_SHA1_80:
marielle_outer_key = aes_128_bits_marielle_outer_key;
pauline_outer_key = aes_128_bits_pauline_outer_key;
margaux_outer_key = aes_128_bits_margaux_outer_key;
break;
case MS_AES_256_SHA1_32:
case MS_AES_256_SHA1_80:
case MS_AES_CM_256_SHA1_80:
marielle_outer_key = aes_256_bits_marielle_outer_key;
pauline_outer_key = aes_256_bits_pauline_outer_key;
margaux_outer_key = aes_256_bits_margaux_outer_key;
break;
case MS_AEAD_AES_128_GCM:
marielle_outer_key = aes_gcm_128_bits_marielle_outer_key;
pauline_outer_key = aes_gcm_128_bits_pauline_outer_key;
margaux_outer_key = aes_gcm_128_bits_margaux_outer_key;
break;
case MS_AEAD_AES_256_GCM:
marielle_outer_key = aes_gcm_256_bits_marielle_outer_key;
pauline_outer_key = aes_gcm_256_bits_pauline_outer_key;
margaux_outer_key = aes_gcm_256_bits_margaux_outer_key;
break;
default:
BC_FAIL("Unsupported suite");
return FALSE;
}
// Set inner keys if needed (not Ekt and using inner encryption
if (p.useInnerEncryption && !p.useEkt) {
switch (p.innerSuite) {
case MS_AES_128_SHA1_32:
case MS_AES_128_SHA1_80:
marielle_inner_key = aes_128_bits_marielle_inner_key;
pauline_inner_key = aes_128_bits_pauline_inner_key;
break;
case MS_AES_256_SHA1_32:
case MS_AES_256_SHA1_80:
case MS_AES_CM_256_SHA1_80:
marielle_inner_key = aes_256_bits_marielle_inner_key;
pauline_inner_key = aes_256_bits_pauline_inner_key;
break;
case MS_AEAD_AES_128_GCM:
marielle_inner_key = aes_gcm_128_bits_marielle_inner_key;
pauline_inner_key = aes_gcm_128_bits_pauline_inner_key;
break;
case MS_AEAD_AES_256_GCM:
marielle_inner_key = aes_gcm_256_bits_marielle_inner_key;
pauline_inner_key = aes_gcm_256_bits_pauline_inner_key;
break;
default:
BC_FAIL("Unsupported suite");
return FALSE;
}
}
/* Margaux is the final recipient: build 2 rtpsession, they will be bundled */
/* This is the bundle primary session, code mostly copied from ms_create_duplex_rtp_session*/
RtpSession *rtpSession_margaux_marielle = rtp_session_new(RTP_SESSION_RECVONLY);
rtp_session_set_recv_buf_size(rtpSession_margaux_marielle, ms_factory_get_mtu(_factory));
rtp_session_set_scheduling_mode(rtpSession_margaux_marielle, 0);
rtp_session_set_blocking_mode(rtpSession_margaux_marielle, 0);
rtp_session_set_symmetric_rtp(rtpSession_margaux_marielle, TRUE);
rtp_session_set_local_addr(rtpSession_margaux_marielle, MARGAUX_IP, MARGAUX_RTP_PORT, MARGAUX_RTCP_PORT);
rtp_session_set_multicast_loopback(rtpSession_margaux_marielle, TRUE);
rtp_session_set_profile(rtpSession_margaux_marielle, profile);
rtp_session_enable_jitter_buffer(rtpSession_margaux_marielle,
FALSE); // Disable jitter buffer for the final recipient, we want to get data when
// they arrive, we're assuming no loss
rtp_session_enable_rtcp(rtpSession_margaux_marielle, FALSE);
rtp_session_set_payload_type(rtpSession_margaux_marielle, RELAY_PAYLOAD_TYPE);
RtpSession *rtpSession_margaux_pauline = NULL;
RtpSession *rtpSession_margaux_marielle_bis = NULL;
if (p.autodiscoverBundleSessions == false) {
/* Second session, in RECV only, is bundled so we do not need to define local port */
rtpSession_margaux_pauline = rtp_session_new(RTP_SESSION_RECVONLY);
rtp_session_set_profile(rtpSession_margaux_pauline, profile);
rtp_session_set_recv_buf_size(rtpSession_margaux_pauline, MAX(ms_factory_get_mtu(_factory), 1500));
rtp_session_enable_jitter_buffer(rtpSession_margaux_pauline,
FALSE); // Disable jitter buffer for the final recipient, we want to get data
// when they arrive, we're assuming no loss
rtp_session_enable_rtcp(rtpSession_margaux_pauline, FALSE);
rtp_session_set_payload_type(rtpSession_margaux_pauline, RELAY_PAYLOAD_TYPE);
if (p.useBundledSource) { // Marielle source bundles two sessions so margaux receives 3
// Third session, in RECV only, is bundled so we do not need to define local port
rtpSession_margaux_marielle_bis = rtp_session_new(RTP_SESSION_RECVONLY);
rtp_session_set_profile(rtpSession_margaux_marielle_bis, profile);
rtp_session_set_recv_buf_size(rtpSession_margaux_marielle_bis, MAX(ms_factory_get_mtu(_factory), 1500));
rtp_session_enable_jitter_buffer(rtpSession_margaux_marielle_bis,
FALSE); // Disable jitter buffer for the final recipient, we want to get
// data when they arrive, we're assuming no loss
rtp_session_enable_rtcp(rtpSession_margaux_marielle_bis, FALSE);
rtp_session_set_payload_type(rtpSession_margaux_marielle_bis, RELAY_PAYLOAD_TYPE);
}
} else {
// set the additional margaux sessions pointers in a list, so we can get them in the callback in charge of their
// creation
margaux_sessions_list = bctbx_list_new(&rtpSession_margaux_marielle_bis);
margaux_sessions_list = bctbx_list_append(margaux_sessions_list, &rtpSession_margaux_pauline);
rtp_session_signal_connect(rtpSession_margaux_marielle, "new_incoming_ssrc_found_in_bundle",
(RtpCallback)new_ssrc_incoming_in_bundle, margaux_sessions_list);
}
/* create a bundle, margaux_marielle is the main session */
RtpBundle *rtpBundle_margaux = rtp_bundle_new();
if (p.useLongBundleId) {
// when p.useSharedMid is on(then use_long_bundle and p.useBundledSource are also on, to simplify the test
// code), all the sessions use the same MID
rtp_bundle_add_session(rtpBundle_margaux, LONG_MID_MARIELLE_SESSION, rtpSession_margaux_marielle);
if (p.autodiscoverBundleSessions == false) {
if (p.useSharedMid) {
rtp_bundle_add_session(rtpBundle_margaux, LONG_MID_MARIELLE_SESSION, rtpSession_margaux_marielle_bis);
rtp_bundle_add_session(rtpBundle_margaux, LONG_MID_MARIELLE_SESSION, rtpSession_margaux_pauline);
} else {
rtp_bundle_add_session(rtpBundle_margaux, LONG_MID_PAULINE_SESSION, rtpSession_margaux_pauline);
if (p.useBundledSource) { // Marielle source bundles two sessions so margaux receives 3
rtp_bundle_add_session(rtpBundle_margaux, LONG_MID_MARIELLE_SESSION_BIS,
rtpSession_margaux_marielle_bis);
}
}
}
} else {
rtp_bundle_add_session(rtpBundle_margaux, SHORT_MID_MARIELLE_SESSION, rtpSession_margaux_marielle);
rtp_bundle_add_session(rtpBundle_margaux, SHORT_MID_PAULINE_SESSION, rtpSession_margaux_pauline);
if (p.useBundledSource) { // Marielle source bundles two sessions so margaux receives 3
rtp_bundle_add_session(rtpBundle_margaux, SHORT_MID_MARIELLE_SESSION_BIS, rtpSession_margaux_marielle_bis);
}
}
rtp_bundle_set_mid_extension_id(rtpBundle_margaux, RTP_EXTENSION_MID);
MSMediaStreamSessions margaux = {};
margaux.rtp_session = rtpSession_margaux_marielle;
/* the relay needs to open rtp session with all endpoints, 2 bundled sessions for margaux. Relay's RtpSession are
* all in transfer mode */
// relay_margaux: one main session created as duplex just because it is easier
RtpSession *rtpSession_relay_margaux_marielle = ms_create_duplex_rtp_session(
RELAY_IP, RELAY_MARGAUX_RTP_PORT, RELAY_MARGAUX_RTCP_PORT, ms_factory_get_mtu(_factory));
rtp_session_set_remote_addr_and_port(rtpSession_relay_margaux_marielle, MARGAUX_IP, MARGAUX_RTP_PORT,
MARGAUX_RTCP_PORT);
rtp_session_set_profile(rtpSession_relay_margaux_marielle, profile);
rtp_session_enable_transfer_mode(rtpSession_relay_margaux_marielle, TRUE); // relay rtp session is in transfer mode
rtp_session_enable_rtcp(rtpSession_relay_margaux_marielle, FALSE);
rtp_session_set_payload_type(rtpSession_relay_margaux_marielle, RELAY_PAYLOAD_TYPE);
RtpSession *rtpSession_relay_margaux_marielle_2 = NULL;
RtpSession *rtpSession_relay_margaux_marielle_bis = NULL;
RtpSession *rtpSession_relay_margaux_pauline = NULL;
if (p.autodiscoverBundleSessions == false) {
// relay_margaux: secondary session in the bundle, minimal settings
rtpSession_relay_margaux_pauline = rtp_session_new(RTP_SESSION_SENDONLY);
rtp_session_set_profile(rtpSession_relay_margaux_pauline, profile);
rtp_session_enable_transfer_mode(rtpSession_relay_margaux_pauline,
TRUE); // relay rtp session is in transfer mode
rtp_session_enable_rtcp(rtpSession_relay_margaux_pauline, FALSE);
rtp_session_set_payload_type(rtpSession_relay_margaux_pauline, RELAY_PAYLOAD_TYPE);
if (p.useBundledSource) { // Marielle source bundles two sessions so margaux receives 3
rtpSession_relay_margaux_marielle_bis = rtp_session_new(RTP_SESSION_SENDONLY);
rtp_session_set_profile(rtpSession_relay_margaux_marielle_bis, profile);
rtp_session_enable_transfer_mode(rtpSession_relay_margaux_marielle_bis,
TRUE); // relay rtp session is in transfer mode
rtp_session_enable_rtcp(rtpSession_relay_margaux_marielle_bis, FALSE);
rtp_session_set_payload_type(rtpSession_relay_margaux_marielle_bis, RELAY_PAYLOAD_TYPE);
}
} else {
// set the additional relay sessions pointers in a list, so we can get them in the callback in charge of their
// creation
relay_sessions_list = bctbx_list_append(relay_sessions_list, &rtpSession_relay_margaux_marielle_2);
relay_sessions_list = bctbx_list_append(relay_sessions_list, &rtpSession_relay_margaux_marielle_bis);
relay_sessions_list = bctbx_list_append(relay_sessions_list, &rtpSession_relay_margaux_pauline);
rtp_session_signal_connect(rtpSession_relay_margaux_marielle, "new_outgoing_ssrc_found_in_bundle",
(RtpCallback)new_ssrc_outgoing_in_bundle, relay_sessions_list);
}
/* create a bundle, relay_margaux_marielle is the main session */
RtpBundle *rtpBundle_relay = rtp_bundle_new();
if (p.useLongBundleId) {
rtp_bundle_add_session(rtpBundle_relay, LONG_MID_MARIELLE_SESSION, rtpSession_relay_margaux_marielle);
if (p.autodiscoverBundleSessions == false) {
// when p.useSharedMid is on(then use_long_bundle and p.useBundledSource are also on, to simplify the test
// code), all the sessions use the same MID
if (p.useSharedMid) {
rtp_bundle_add_session(rtpBundle_relay, LONG_MID_MARIELLE_SESSION, rtpSession_relay_margaux_pauline);
rtp_bundle_add_session(rtpBundle_relay, LONG_MID_MARIELLE_SESSION,
rtpSession_relay_margaux_marielle_bis);
} else {
rtp_bundle_add_session(rtpBundle_relay, LONG_MID_PAULINE_SESSION, rtpSession_relay_margaux_pauline);
if (p.useBundledSource) { // Marielle source bundles two sessions so margaux receives 3
rtp_bundle_add_session(rtpBundle_relay, LONG_MID_MARIELLE_SESSION_BIS,
rtpSession_relay_margaux_marielle_bis);
}
}
}
} else {
rtp_bundle_add_session(rtpBundle_relay, SHORT_MID_MARIELLE_SESSION, rtpSession_relay_margaux_marielle);
rtp_bundle_add_session(rtpBundle_relay, SHORT_MID_PAULINE_SESSION, rtpSession_relay_margaux_pauline);
if (p.useBundledSource) { // Marielle source bundles two sessions so margaux receives 3
rtp_bundle_add_session(rtpBundle_relay, SHORT_MID_MARIELLE_SESSION_BIS,
rtpSession_relay_margaux_marielle_bis);
}
}
rtp_bundle_set_mid_extension_id(rtpBundle_relay, RTP_EXTENSION_MID);
MSMediaStreamSessions relay_margaux = {};
relay_margaux.rtp_session = rtpSession_relay_margaux_marielle;
if (p.useEkt) {
ms_media_stream_sessions_set_ekt_mode(&relay_margaux, MS_EKT_TRANSFER);
} else if (p.useInnerEncryption) {
ms_media_stream_sessions_set_ekt_mode(&relay_margaux, MS_EKT_DISABLED_WITH_TRANSFER);
}
// marielle_relay: session used in recv only but created in duplex just because it is easier
RtpSession *rtpSession_relay_marielle = ms_create_duplex_rtp_session(
RELAY_IP, RELAY_MARIELLE_RTP_PORT, RELAY_MARIELLE_RTCP_PORT, ms_factory_get_mtu(_factory));
rtp_session_set_profile(rtpSession_relay_marielle, profile);
rtp_session_enable_transfer_mode(rtpSession_relay_marielle, TRUE); // relay rtp session is in transfer mode
rtp_session_enable_rtcp(rtpSession_relay_marielle, FALSE);
rtp_session_set_payload_type(rtpSession_relay_marielle, MARIELLE_PAYLOAD_TYPE);
MSMediaStreamSessions relay_marielle = {};
relay_marielle.rtp_session = rtpSession_relay_marielle;
if (p.useEkt) {
ms_media_stream_sessions_set_ekt_mode(&relay_marielle, MS_EKT_TRANSFER);
} else if (p.useInnerEncryption) {
ms_media_stream_sessions_set_ekt_mode(&relay_marielle, MS_EKT_DISABLED_WITH_TRANSFER);
}
RtpSession *rtpSession_relay_marielle_bis = NULL;
RtpBundle *rtpBundle_relay_marielle = NULL;
if (p.useBundledSource) { // Marielle bundles two sessions so relay must get ready for it
rtpSession_relay_marielle_bis = rtp_session_new(RTP_SESSION_RECVONLY);
rtp_session_set_profile(rtpSession_relay_marielle_bis, profile);
rtp_session_enable_transfer_mode(rtpSession_relay_marielle_bis, TRUE); // relay rtp session is in transfer mode
rtp_session_enable_rtcp(rtpSession_relay_marielle_bis, FALSE);
rtp_session_set_payload_type(rtpSession_relay_marielle_bis, MARIELLE_PAYLOAD_TYPE);
rtpBundle_relay_marielle = rtp_bundle_new();
if (p.useLongBundleId) {
rtp_bundle_add_session(rtpBundle_relay_marielle, LONG_MID_MARIELLE_SOURCE_SESSION,
rtpSession_relay_marielle);
rtp_bundle_add_session(rtpBundle_relay_marielle, LONG_MID_MARIELLE_SOURCE_SESSION_BIS,
rtpSession_relay_marielle_bis);
} else {
rtp_bundle_add_session(rtpBundle_relay_marielle, SHORT_MID_MARIELLE_SOURCE_SESSION,
rtpSession_relay_marielle);
rtp_bundle_add_session(rtpBundle_relay_marielle, SHORT_MID_MARIELLE_SOURCE_SESSION_BIS,
rtpSession_relay_marielle_bis);
}
rtp_bundle_set_mid_extension_id(rtpBundle_relay_marielle, RTP_EXTENSION_MID);
}
// pauline_relay: session used in recv only but created in duplex just because it is easier
RtpSession *rtpSession_relay_pauline = ms_create_duplex_rtp_session(
RELAY_IP, RELAY_PAULINE_RTP_PORT, RELAY_PAULINE_RTCP_PORT, ms_factory_get_mtu(_factory));
rtp_session_set_profile(rtpSession_relay_pauline, profile);
rtp_session_enable_transfer_mode(rtpSession_relay_pauline, TRUE); // relay rtp session is in transfer mode
rtp_session_enable_rtcp(rtpSession_relay_pauline, FALSE);
rtp_session_set_payload_type(rtpSession_relay_pauline, PAULINE_PAYLOAD_TYPE);
MSMediaStreamSessions relay_pauline = {};
relay_pauline.rtp_session = rtpSession_relay_pauline;
if (p.useEkt) {
ms_media_stream_sessions_set_ekt_mode(&relay_pauline, MS_EKT_TRANSFER);
} else if (p.useInnerEncryption) {
ms_media_stream_sessions_set_ekt_mode(&relay_pauline, MS_EKT_DISABLED_WITH_TRANSFER);
}
/* Marielle is a source */
RtpSession *rtpSession_marielle =
ms_create_duplex_rtp_session(MARIELLE_IP, MARIELLE_RTP_PORT, MARIELLE_RTCP_PORT, ms_factory_get_mtu(_factory));
rtp_session_set_remote_addr_and_port(rtpSession_marielle, RELAY_IP, RELAY_MARIELLE_RTP_PORT,
RELAY_MARIELLE_RTCP_PORT);
rtp_session_set_profile(rtpSession_marielle, profile);
rtp_session_enable_rtcp(rtpSession_marielle, FALSE);
rtp_session_set_payload_type(rtpSession_marielle, MARIELLE_PAYLOAD_TYPE);
MSMediaStreamSessions marielle = {};
marielle.rtp_session = rtpSession_marielle;
RtpSession *rtpSession_marielle_bis = NULL;
RtpBundle *rtpBundle_marielle = NULL;
if (p.useBundledSource) { // Marielle bundles two sessions
rtpSession_marielle_bis = rtp_session_new(RTP_SESSION_SENDONLY);
rtp_session_set_profile(rtpSession_marielle_bis, profile);
rtp_session_enable_rtcp(rtpSession_marielle_bis, FALSE);
rtp_session_set_payload_type(rtpSession_marielle_bis, MARIELLE_PAYLOAD_TYPE);
rtpBundle_marielle = rtp_bundle_new();
if (p.useLongBundleId) {
rtp_bundle_add_session(rtpBundle_marielle, LONG_MID_MARIELLE_SOURCE_SESSION, rtpSession_marielle);
rtp_bundle_add_session(rtpBundle_marielle, LONG_MID_MARIELLE_SOURCE_SESSION_BIS, rtpSession_marielle_bis);
} else {
rtp_bundle_add_session(rtpBundle_marielle, SHORT_MID_MARIELLE_SOURCE_SESSION, rtpSession_marielle);
rtp_bundle_add_session(rtpBundle_marielle, SHORT_MID_MARIELLE_SOURCE_SESSION_BIS, rtpSession_marielle_bis);
}
rtp_bundle_set_mid_extension_id(rtpBundle_marielle, RTP_EXTENSION_MID);
}
/* Pauline is a source */
RtpSession *rtpSession_pauline =
ms_create_duplex_rtp_session(PAULINE_IP, PAULINE_RTP_PORT, PAULINE_RTCP_PORT, ms_factory_get_mtu(_factory));
rtp_session_set_remote_addr_and_port(rtpSession_pauline, RELAY_IP, RELAY_PAULINE_RTP_PORT, RELAY_PAULINE_RTCP_PORT);
rtp_session_set_profile(rtpSession_pauline, profile);
rtp_session_enable_rtcp(rtpSession_pauline, FALSE);
rtp_session_set_payload_type(rtpSession_pauline, PAULINE_PAYLOAD_TYPE);
rtp_session_set_seq_number(rtpSession_pauline, 0xFFF8); // Pauline's ROC will change after 8 packets sent as we
// start the session with a seqnumber near the max (0xFFFF)
MSMediaStreamSessions pauline = {};
pauline.rtp_session = rtpSession_pauline;
/* set outer keys */
BC_ASSERT_TRUE(ms_media_stream_sessions_set_srtp_send_key_b64(&marielle, p.outerSuite, marielle_outer_key,
MSSrtpKeySourceSDES) == 0);
BC_ASSERT_TRUE(ms_media_stream_sessions_set_srtp_send_key_b64(&pauline, p.outerSuite, pauline_outer_key,
MSSrtpKeySourceSDES) == 0);
BC_ASSERT_TRUE(ms_media_stream_sessions_set_srtp_recv_key_b64(&margaux, p.outerSuite, margaux_outer_key,
MSSrtpKeySourceSDES) == 0);
BC_ASSERT_TRUE(ms_media_stream_sessions_set_srtp_send_key_b64(&relay_margaux, p.outerSuite, margaux_outer_key,
MSSrtpKeySourceSDES) == 0);
BC_ASSERT_TRUE(ms_media_stream_sessions_set_srtp_recv_key_b64(&relay_marielle, p.outerSuite, marielle_outer_key,
MSSrtpKeySourceSDES) == 0);
BC_ASSERT_TRUE(ms_media_stream_sessions_set_srtp_recv_key_b64(&relay_pauline, p.outerSuite, pauline_outer_key,
MSSrtpKeySourceSDES) == 0);
/* set inner keys */
if (p.useInnerEncryption) {
if (p.useEkt) { // Just set the same EKT for all sources and recipient, they will generate keys and decrypt them
BC_ASSERT_TRUE(ms_media_stream_sessions_set_ekt(&marielle, &ekt_params) == 0);
BC_ASSERT_TRUE(ms_media_stream_sessions_set_ekt(&pauline, &ekt_params) == 0);
BC_ASSERT_TRUE(ms_media_stream_sessions_set_ekt(&margaux, &ekt_params) == 0);
// when skipping pauline begins, we must force the EKT full tag to be present in every packets, not just the
// first ones
if (p.skipPaulineBegin) {
BC_ASSERT_TRUE(ms_media_stream_sessions_set_ekt_full_tag_period(&pauline, 0) == 0);
}
} else { // set the inner keys
// Marielle (even when 2 sessions are bundled from marielle, they will use the same key)
BC_ASSERT_TRUE(ms_media_stream_sessions_set_srtp_inner_send_key_b64(
&marielle, p.innerSuite, marielle_inner_key, MSSrtpKeySourceZRTP) == 0);
// Pauline
BC_ASSERT_TRUE(ms_media_stream_sessions_set_srtp_inner_send_key_b64(
&pauline, p.innerSuite, pauline_inner_key, MSSrtpKeySourceZRTP) == 0);
/* margaux inner keys are both set in margaux_marielle(attached to margaux MSMediaSessions)) rtpSession as
* it is the main one in the bundle, it is the one used to decrypt them all */
BC_ASSERT_TRUE(ms_media_stream_sessions_set_srtp_inner_recv_key_b64(&margaux, p.innerSuite,
marielle_inner_key, MSSrtpKeySourceZRTP,
marielle.rtp_session->snd.ssrc) == 0);
BC_ASSERT_TRUE(ms_media_stream_sessions_set_srtp_inner_recv_key_b64(&margaux, p.innerSuite,
pauline_inner_key, MSSrtpKeySourceZRTP,
pauline.rtp_session->snd.ssrc) == 0);
if (p.useBundledSource) { // Marielle bundles two sessions, set the key for its SSRC too
BC_ASSERT_TRUE(ms_media_stream_sessions_set_srtp_inner_recv_key_b64(
&margaux, p.innerSuite, marielle_inner_key, MSSrtpKeySourceZRTP,
rtpSession_marielle_bis->snd.ssrc) == 0);
}
}
}
ssize_t len = 0;
uint8_t buffer[160];
uint8_t xBuffer[160];
uint8_t bBuffer[160];
uint32_t user_ts = 0;
int packet_sent = 0;
bool error = false;
/* read the whole file by chunk of 160 bytes */
int pauline_last_packet_seqnum = -1;
uint32_t marielleSSRC = 0;
uint32_t mariellebisSSRC = 0;
uint32_t paulineSSRC = 0;
while ((error == false) && ((len = bctbx_file_read2(fp, buffer, 160)) > 0)) {
/* marielle create a packet header */
mblk_t *sent_packet = rtp_session_create_packet_header(rtpSession_marielle, 0);
/* Marielle voice activity On, audio level -32 */
if (p.useParticipantVolume) {
rtp_add_client_to_mixer_audio_level(sent_packet, RTP_EXTENSION_CLIENT_TO_MIXER_AUDIO_LEVEL, TRUE, -32);
}
/* add payload */
sent_packet->b_cont = rtp_create_packet(buffer, len);
/* send the packet to the relay */
int size = rtp_session_sendm_with_ts(rtpSession_marielle, copymsg(sent_packet), user_ts);
if (size < 0) {
ms_error("Session Marielle could not send the packet: -%x", -size);
error = true;
break;
}
freemsg(sent_packet);
if (p.useBundledSource) { // Marielle bundles two sessions: send an other message on the secondary session
for (int i = 0; i < len; i++) {
bBuffer[i] = buffer[i] ^ 0x55;
}
sent_packet = rtp_session_create_packet_header(rtpSession_marielle_bis, 0);
/* add payload */
sent_packet->b_cont = rtp_create_packet(bBuffer, len);
/* send the packet to the relay */
size = rtp_session_sendm_with_ts(rtpSession_marielle_bis, copymsg(sent_packet), user_ts);
if (size < 0) {
ms_error("Session Marielle bis could not send the packet: -%x", -size);
error = true;
break;
}
freemsg(sent_packet);
}
/* pauline packet is the same data but Xor each byte with 0xaa */
for (int i = 0; i < len; i++) {
xBuffer[i] = buffer[i] ^ 0xaa;
}
sent_packet = rtp_session_create_packet_header(
rtpSession_pauline,
8); // allocate 8 bytes of extra header to store possible participant volume extension header
/* Pauline voice activity Off, audio level -96 */
if (p.useParticipantVolume) {
rtp_add_client_to_mixer_audio_level(sent_packet, RTP_EXTENSION_CLIENT_TO_MIXER_AUDIO_LEVEL, FALSE, -96);
}
/* add payload */
sent_packet->b_cont = rtp_create_packet(xBuffer, len);
/* send the packet to the relay */
size = rtp_session_sendm_with_ts(rtpSession_pauline, copymsg(sent_packet), user_ts);
if (size < 0) {
ms_error("Session Pauline could not send the packet: -%x", -size);
error = true;
break;
}
freemsg(sent_packet);
/*** relay receive the packet from Marielle ***/
/* this fetch will retrieve and decrypt packet from bundled session too is any */
mblk_t *transfered_packet = rtp_session_recvm_with_ts(rtpSession_relay_marielle, user_ts);
if (transfered_packet == NULL) {
ms_error("Relay-Marielle session did not received any packets!");
error = true;
break;
}
/* Check that the packet available to the relay is encrypted (at least is different than the plain one) */
uint8_t *payload;
size = rtp_get_payload(transfered_packet, &payload);
if (p.useInnerEncryption) {
BC_ASSERT_FALSE(size == len);
if (size == len) { // They shall not be the same size, but in that case, check they are differents
error = true;
BC_ASSERT_TRUE(memcmp(payload, buffer, len) != 0);
}
} else { // no inner encryption, relay can read the packet
BC_ASSERT_TRUE(size == len);
if (size == len) {
BC_ASSERT_TRUE(memcmp(payload, buffer, len) == 0);
}
}
/* check the packet payload type */
uint16_t payload_type = rtp_get_payload_type(transfered_packet);
BC_ASSERT_EQUAL(payload_type, MARIELLE_PAYLOAD_TYPE, uint16_t, "%d");
/* forward the packet to Margaux */
if (packet_sent == 0) {
if (p.autodiscoverBundleSessions == false) {
marielleSSRC = rtp_get_ssrc(transfered_packet);
// session are not in auto-discovery, so we must set rtpSession_relay_margaux_marielle send ssrc to
// match the sent packet SSRC
rtp_session_set_ssrc(rtpSession_relay_margaux_marielle, marielleSSRC);
}
}
size = rtp_session_sendm_with_ts(rtpSession_relay_margaux_marielle, copymsg(transfered_packet), user_ts);
if (size < 0) {
ms_error("Session Relay-Margaux-Marielle could not send the packet: -%x", -size);
error = true;
break;
}
freemsg(transfered_packet);
if (p.useBundledSource) { // Marielle bundles two sessions so relay it too
transfered_packet = rtp_session_recvm_with_ts(rtpSession_relay_marielle_bis, user_ts);
if (transfered_packet == NULL) {
ms_error("Relay-Marielle bis session did not received any packets!");
error = true;
break;
}
/* Check that the packet available to the relay is encrypted (at leat is different than the plain one */
size = rtp_get_payload(transfered_packet, &payload);
if (p.useInnerEncryption) {
BC_ASSERT_FALSE(size == len);
if (size == len) { // They shall not be the same size, but in that case, check they are differents
error = true;
BC_ASSERT_TRUE(memcmp(payload, bBuffer, len) != 0);
}
} else { // no inner encryption, relay can read the packet
BC_ASSERT_TRUE(size == len);
if (size == len) {
BC_ASSERT_TRUE(memcmp(payload, bBuffer, len) == 0);
}
}
/* check the packet payload type */
payload_type = rtp_get_payload_type(transfered_packet);
BC_ASSERT_EQUAL(payload_type, MARIELLE_PAYLOAD_TYPE, uint16_t, "%d");
/* forward the packet to Margaux */
if (packet_sent == 0 && p.autodiscoverBundleSessions == false) {
mariellebisSSRC = rtp_get_ssrc(transfered_packet);
// session are not in auto-discovery, so we must set rtpSession_relay_margaux_marielle_bis send ssrc to
// match the sent packet SSRC
rtp_session_set_ssrc(rtpSession_relay_margaux_marielle_bis, mariellebisSSRC);
}
if (p.autodiscoverBundleSessions == false || packet_sent > 0) {
size = rtp_session_sendm_with_ts(rtpSession_relay_margaux_marielle_bis, copymsg(transfered_packet),
user_ts);
} else {
size =
rtp_session_sendm_with_ts(rtpSession_relay_margaux_marielle, copymsg(transfered_packet), user_ts);
}
if (size < 0) {
ms_error("Session Relay-Margaux-Marielle-bis could not send the packet: -%x", -size);
error = true;
break;
}
freemsg(transfered_packet);
}
/*** relay receive the packet from Pauline ***/
transfered_packet = rtp_session_recvm_with_ts(rtpSession_relay_pauline, user_ts);
if (transfered_packet == NULL) {
ms_error("Relay-Pauline session did not received any packets!");
error = true;
break;
}
/* Check that the packet available to the relay is encrypted (at leat is different than the plain one */
size = rtp_get_payload(transfered_packet, &payload);
if (p.useInnerEncryption) {
BC_ASSERT_FALSE(size == len);
if (size == len) { // They shall not be the same size, but in that case, check they are differents
BC_ASSERT_TRUE(memcmp(payload, xBuffer, len) != 0);
error = true;
}
} else { // no inner encryption, relay can read the packet
BC_ASSERT_TRUE(size == len);
if (size == len) {
BC_ASSERT_TRUE(memcmp(payload, xBuffer, len) == 0);
}
}
/* check the packet payload type */
payload_type = rtp_get_payload_type(transfered_packet);
BC_ASSERT_EQUAL(payload_type, PAULINE_PAYLOAD_TYPE, uint16_t, "%d");
/* forward the packet to Margaux - except if skip begin or discard is active */
if (packet_sent == 0 && p.autodiscoverBundleSessions == false) {
paulineSSRC = rtp_get_ssrc(transfered_packet);
// session are not in auto-discovery, so we must set rtpSession_relay_margaux_pauline send ssrc to match
// the sent packet SSRC
rtp_session_set_ssrc(rtpSession_relay_margaux_pauline, paulineSSRC);
}
if (packet_sent == 0 && p.autodiscoverBundleSessions == true) {
size = rtp_session_sendm_with_ts(rtpSession_relay_margaux_marielle, copymsg(transfered_packet), user_ts);
if (size < 0) {
ms_error("Session Relay-Margaux-Pauline could not send the packet: -%x", -size);
error = true;
break;
}
} else if (!(p.skipPaulineBegin && packet_sent < 12) &&
!(p.discardPaulinePackets && packet_sent > 19 && packet_sent < 30)) {
size = rtp_session_sendm_with_ts(rtpSession_relay_margaux_pauline, copymsg(transfered_packet), user_ts);
if (size < 0) {
ms_error("Session Relay-Margaux-Pauline could not send the packet: -%x", -size);
error = true;
break;
}
}
freemsg(transfered_packet);
/* margaux receive the packet from marielle
* This fetch will also retrieve and decrypt Pauline's session packet and get it ready to be fetched on
* margaux_pauline rtp session */
if (packet_sent == 0 && !p.autodiscoverBundleSessions) {
rtpSession_margaux_marielle->ssrc_set = TRUE;
rtpSession_margaux_marielle->rcv.ssrc = marielleSSRC;
if (p.useBundledSource) {
rtpSession_margaux_marielle_bis->ssrc_set = TRUE;
rtpSession_margaux_marielle_bis->rcv.ssrc = mariellebisSSRC;
}
rtpSession_margaux_pauline->ssrc_set = TRUE;
rtpSession_margaux_pauline->rcv.ssrc = paulineSSRC;
}
mblk_t *received_packet = rtp_session_recvm_with_ts(rtpSession_margaux_marielle, user_ts);
if (received_packet == NULL) {
ms_error("Margaux session did not received any packets relayed from Marielle!");
error = true;
break;
}
/* Check the received payload is the same than the bytes reads from file */
size = rtp_get_payload(received_packet, &payload);
BC_ASSERT_TRUE(size == len);
if (size == len) {
BC_ASSERT_TRUE(memcmp(payload, buffer, len) == 0);
}
/* check participant volume */
if (p.useParticipantVolume) {
bool_t voice_activity;
/* Marielle voice activity On, audio level -32 */
BC_ASSERT_EQUAL(rtp_get_client_to_mixer_audio_level(
received_packet, RTP_EXTENSION_CLIENT_TO_MIXER_AUDIO_LEVEL, &voice_activity),
-32, int, "%d");
BC_ASSERT_EQUAL(voice_activity, TRUE, bool_t, "%d");
}
/* check the packet payload type */
payload_type = rtp_get_payload_type(received_packet);
BC_ASSERT_EQUAL(payload_type, RELAY_PAYLOAD_TYPE, uint16_t, "%d");
freemsg(received_packet);
if (p.useBundledSource) { // Marielle bundles two sessions, fetch this one too
received_packet = rtp_session_recvm_with_ts(rtpSession_margaux_marielle_bis, user_ts);
if (received_packet == NULL) {
ms_error("Margaux session did not received any packets relayed from Marielle bis!");
error = true;
break;
}
/* Check the received payload is the same than the bytes reads from file */
uint8_t *payload;
size = rtp_get_payload(received_packet, &payload);
BC_ASSERT_TRUE(size == len);
if (size == len) {
BC_ASSERT_TRUE(memcmp(payload, bBuffer, len) == 0);
}
/* check the packet payload type */
payload_type = rtp_get_payload_type(received_packet);
BC_ASSERT_EQUAL(payload_type, RELAY_PAYLOAD_TYPE, uint16_t, "%d");
freemsg(received_packet);
}
/* margaux receive the packet from pauline - except if we skip pauline's begin or discard is active*/
if (!(p.skipPaulineBegin && packet_sent < 12) &&
!(p.discardPaulinePackets && packet_sent > 19 && packet_sent < 30)) {
received_packet = rtp_session_recvm_with_ts(rtpSession_margaux_pauline, user_ts);
if (received_packet == NULL) {
ms_error("Margaux session did not received any packets relayed from Pauline!");
error = true;
break;
}
/* Check the received payload is the same than the bytes reads from file */
size = rtp_get_payload(received_packet, &payload);
BC_ASSERT_TRUE(size == len);
if (size == len) {
BC_ASSERT_TRUE(memcmp(payload, xBuffer, len) == 0);
}
/* check participant volume */
if (p.useParticipantVolume) {
bool_t voice_activity;
/* Pauline voice activity Off, audio level -96 */
BC_ASSERT_EQUAL(rtp_get_client_to_mixer_audio_level(
received_packet, RTP_EXTENSION_CLIENT_TO_MIXER_AUDIO_LEVEL, &voice_activity),
-96, int, "%d");
BC_ASSERT_EQUAL(voice_activity, FALSE, bool_t, "%d");
}
/* check the packet payload type */
payload_type = rtp_get_payload_type(received_packet);
BC_ASSERT_EQUAL(payload_type, RELAY_PAYLOAD_TYPE, uint16_t, "%d");
/* Make sure we receive a continuous flow of seq num - even in case of packet discarded by relay */
auto packet_seqnum = rtp_get_seqnumber(received_packet);
if (pauline_last_packet_seqnum != -1) {
pauline_last_packet_seqnum = (pauline_last_packet_seqnum + 1) % 0x10000;
BC_ASSERT_EQUAL((int)packet_seqnum, pauline_last_packet_seqnum, int, "%d");
}
pauline_last_packet_seqnum = packet_seqnum;
freemsg(received_packet);
}
user_ts += 10;
packet_sent++;
}
/* Check keys are correctly set, do it after the exchange as using ekt will set the keys while receiving the first
* packet */
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_key_source(&marielle, MediaStreamSendOnly, FALSE) ==
MSSrtpKeySourceSDES);
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_key_source(&pauline, MediaStreamSendOnly, FALSE) ==
MSSrtpKeySourceSDES);
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_key_source(&margaux, MediaStreamRecvOnly, FALSE) ==
MSSrtpKeySourceSDES);
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_crypto_suite(&marielle, MediaStreamSendOnly, FALSE) ==
p.outerSuite);
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_crypto_suite(&pauline, MediaStreamSendOnly, FALSE) ==
p.outerSuite);
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_crypto_suite(&margaux, MediaStreamRecvOnly, FALSE) ==
p.outerSuite);
if (p.useInnerEncryption) {
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_crypto_suite(&marielle, MediaStreamSendOnly, TRUE) ==
p.innerSuite);
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_crypto_suite(&pauline, MediaStreamSendOnly, TRUE) ==
p.innerSuite);
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_crypto_suite(&margaux, MediaStreamRecvOnly, TRUE) ==
p.innerSuite);
if (p.useEkt) {
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_key_source(&marielle, MediaStreamSendOnly, TRUE) ==
MSSrtpKeySourceEKT);
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_key_source(&pauline, MediaStreamSendOnly, TRUE) ==
MSSrtpKeySourceEKT);
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_key_source(&margaux, MediaStreamRecvOnly, TRUE) ==
MSSrtpKeySourceEKT);
} else {
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_key_source(&marielle, MediaStreamSendOnly, TRUE) ==
MSSrtpKeySourceZRTP);
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_key_source(&pauline, MediaStreamSendOnly, TRUE) ==
MSSrtpKeySourceZRTP);
BC_ASSERT_TRUE(ms_media_stream_sessions_get_srtp_key_source(&margaux, MediaStreamRecvOnly, TRUE) ==
MSSrtpKeySourceZRTP);
}
}
BC_ASSERT_TRUE(error == false);
/* cleaning */
if (p.autodiscoverBundleSessions == true) {
bctbx_list_free(margaux_sessions_list);
bctbx_list_free(relay_sessions_list);
}
bctbx_file_close(fp);
rtp_bundle_delete(rtpBundle_relay);
rtp_bundle_delete(rtpBundle_margaux);