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MILESTONE: audio and video working inbound

This commit is contained in:
Anthony Minessale 2013-01-14 12:15:31 -06:00
parent 03e5b366f7
commit aea974a91f
2 changed files with 148 additions and 97 deletions
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220
src/switch_core_media.c
View File

@ -608,8 +608,8 @@ SWITCH_DECLARE(void) switch_core_media_parse_rtp_bugs(switch_rtp_bug_flag_t *fla
static switch_status_t switch_core_media_build_crypto(switch_media_handle_t *smh,
switch_secure_settings_t *ssec,
int index, switch_rtp_crypto_key_type_t type, switch_rtp_crypto_direction_t direction)
switch_media_type_t type,
int index, switch_rtp_crypto_key_type_t ctype, switch_rtp_crypto_direction_t direction)
{
unsigned char b64_key[512] = "";
const char *type_str;
@ -617,24 +617,42 @@ static switch_status_t switch_core_media_build_crypto(switch_media_handle_t *smh
const char *val;
switch_channel_t *channel;
char *p;
switch_rtp_engine_t *engine;
switch_assert(smh);
channel = switch_core_session_get_channel(smh->session);
if (type == AES_CM_128_HMAC_SHA1_80) {
engine = &smh->engines[type];
if (ctype == AES_CM_128_HMAC_SHA1_80) {
type_str = SWITCH_RTP_CRYPTO_KEY_80;
} else {
type_str = SWITCH_RTP_CRYPTO_KEY_32;
}
if (direction == SWITCH_RTP_CRYPTO_SEND) {
key = ssec->local_raw_key;
#ifdef SAME_KEY
if (switch_channel_test_flag(channel, CF_WEBRTC) && type == SWITCH_MEDIA_TYPE_VIDEO) {
if (direction == SWITCH_RTP_CRYPTO_SEND) {
memcpy(engine->ssec.local_raw_key, smh->engines[SWITCH_MEDIA_TYPE_AUDIO].ssec.local_raw_key, SWITCH_RTP_KEY_LEN);
key = engine->ssec.local_raw_key;
} else {
memcpy(engine->ssec.remote_raw_key, smh->engines[SWITCH_MEDIA_TYPE_AUDIO].ssec.remote_raw_key, SWITCH_RTP_KEY_LEN);
key = engine->ssec.remote_raw_key;
}
} else {
key = ssec->remote_raw_key;
#endif
if (direction == SWITCH_RTP_CRYPTO_SEND) {
key = engine->ssec.local_raw_key;
} else {
key = engine->ssec.remote_raw_key;
}
switch_rtp_get_random(key, SWITCH_RTP_KEY_LEN);
#ifdef SAME_KEY
}
#endif
switch_rtp_get_random(key, SWITCH_RTP_KEY_LEN);
switch_b64_encode(key, SWITCH_RTP_KEY_LEN, b64_key, sizeof(b64_key));
p = strrchr((char *) b64_key, '=');
@ -642,14 +660,16 @@ static switch_status_t switch_core_media_build_crypto(switch_media_handle_t *smh
*p-- = '\0';
}
ssec->local_crypto_key = switch_core_session_sprintf(smh->session, "%d %s inline:%s", index, type_str, b64_key);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session), SWITCH_LOG_DEBUG, "Set Local Key [%s]\n", ssec->local_crypto_key);
engine->ssec.local_crypto_key = switch_core_session_sprintf(smh->session, "%d %s inline:%s", index, type_str, b64_key);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session), SWITCH_LOG_DEBUG, "Set Local Key [%s]\n", engine->ssec.local_crypto_key);
if (!(smh->mparams->ndlb & SM_NDLB_DISABLE_SRTP_AUTH) &&
!((val = switch_channel_get_variable(channel, "NDLB_support_asterisk_missing_srtp_auth")) && switch_true(val))) {
ssec->crypto_type = type;
engine->ssec.crypto_type = ctype;
} else {
ssec->crypto_type = AES_CM_128_NULL_AUTH;
engine->ssec.crypto_type = AES_CM_128_NULL_AUTH;
}
return SWITCH_STATUS_SUCCESS;
@ -783,12 +803,12 @@ SWITCH_DECLARE(int) switch_core_session_check_incoming_crypto(switch_core_sessio
} else if (switch_stristr(SWITCH_RTP_CRYPTO_KEY_32, crypto)) {
switch_channel_set_variable(session->channel, varname, SWITCH_RTP_CRYPTO_KEY_32);
switch_core_media_build_crypto(session->media_handle, &engine->ssec, crypto_tag, AES_CM_128_HMAC_SHA1_32, SWITCH_RTP_CRYPTO_SEND);
switch_core_media_build_crypto(session->media_handle, type, crypto_tag, AES_CM_128_HMAC_SHA1_32, SWITCH_RTP_CRYPTO_SEND);
switch_rtp_add_crypto_key(engine->rtp_session, SWITCH_RTP_CRYPTO_SEND, atoi(crypto), engine->ssec.crypto_type,
engine->ssec.local_raw_key, SWITCH_RTP_KEY_LEN);
} else if (switch_stristr(SWITCH_RTP_CRYPTO_KEY_80, crypto)) {
switch_channel_set_variable(session->channel, varname, SWITCH_RTP_CRYPTO_KEY_80);
switch_core_media_build_crypto(session->media_handle, &engine->ssec, crypto_tag, AES_CM_128_HMAC_SHA1_80, SWITCH_RTP_CRYPTO_SEND);
switch_core_media_build_crypto(session->media_handle, type, crypto_tag, AES_CM_128_HMAC_SHA1_80, SWITCH_RTP_CRYPTO_SEND);
switch_rtp_add_crypto_key(engine->rtp_session, SWITCH_RTP_CRYPTO_SEND, atoi(crypto), engine->ssec.crypto_type,
engine->ssec.local_raw_key, SWITCH_RTP_KEY_LEN);
} else {
@ -821,10 +841,10 @@ SWITCH_DECLARE(int) switch_core_session_check_incoming_crypto(switch_core_sessio
if (zstr(engine->ssec.local_crypto_key)) {
if (switch_stristr(SWITCH_RTP_CRYPTO_KEY_32, crypto)) {
switch_channel_set_variable(session->channel, varname, SWITCH_RTP_CRYPTO_KEY_32);
switch_core_media_build_crypto(session->media_handle, &engine->ssec, crypto_tag, AES_CM_128_HMAC_SHA1_32, SWITCH_RTP_CRYPTO_SEND);
switch_core_media_build_crypto(session->media_handle, type, crypto_tag, AES_CM_128_HMAC_SHA1_32, SWITCH_RTP_CRYPTO_SEND);
} else if (switch_stristr(SWITCH_RTP_CRYPTO_KEY_80, crypto)) {
switch_channel_set_variable(session->channel, varname, SWITCH_RTP_CRYPTO_KEY_80);
switch_core_media_build_crypto(session->media_handle, &engine->ssec, crypto_tag, AES_CM_128_HMAC_SHA1_80, SWITCH_RTP_CRYPTO_SEND);
switch_core_media_build_crypto(session->media_handle, type, crypto_tag, AES_CM_128_HMAC_SHA1_80, SWITCH_RTP_CRYPTO_SEND);
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Crypto Setup Failed!.\n");
}
@ -846,15 +866,15 @@ SWITCH_DECLARE(void) switch_core_session_check_outgoing_crypto(switch_core_sessi
if (switch_true(var) || !strcasecmp(var, SWITCH_RTP_CRYPTO_KEY_32)) {
switch_channel_set_flag(channel, CF_SECURE);
switch_core_media_build_crypto(session->media_handle,
&session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO].ssec, 1, AES_CM_128_HMAC_SHA1_32, SWITCH_RTP_CRYPTO_SEND);
SWITCH_MEDIA_TYPE_AUDIO, 1, AES_CM_128_HMAC_SHA1_32, SWITCH_RTP_CRYPTO_SEND);
switch_core_media_build_crypto(session->media_handle,
&session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO].ssec, 1, AES_CM_128_HMAC_SHA1_32, SWITCH_RTP_CRYPTO_SEND);
SWITCH_MEDIA_TYPE_VIDEO, 1, AES_CM_128_HMAC_SHA1_32, SWITCH_RTP_CRYPTO_SEND);
} else if (!strcasecmp(var, SWITCH_RTP_CRYPTO_KEY_80)) {
switch_channel_set_flag(channel, CF_SECURE);
switch_core_media_build_crypto(session->media_handle,
&session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO].ssec, 1, AES_CM_128_HMAC_SHA1_80, SWITCH_RTP_CRYPTO_SEND);
SWITCH_MEDIA_TYPE_AUDIO, 1, AES_CM_128_HMAC_SHA1_80, SWITCH_RTP_CRYPTO_SEND);
switch_core_media_build_crypto(session->media_handle,
&session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO].ssec, 1, AES_CM_128_HMAC_SHA1_80, SWITCH_RTP_CRYPTO_SEND);
SWITCH_MEDIA_TYPE_VIDEO, 1, AES_CM_128_HMAC_SHA1_80, SWITCH_RTP_CRYPTO_SEND);
}
}
@ -921,7 +941,7 @@ SWITCH_DECLARE(switch_status_t) switch_media_handle_create(switch_media_handle_t
(uint32_t) ((intptr_t) &session->media_handle->engines[SWITCH_MEDIA_TYPE_AUDIO] + (uint32_t) time(NULL));
session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO].ssrc =
(uint32_t) ((intptr_t) &session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO] + (uint32_t) time(NULL));
(uint32_t) ((intptr_t) &session->media_handle->engines[SWITCH_MEDIA_TYPE_VIDEO] + (uint32_t) time(NULL) / 2);
status = SWITCH_STATUS_SUCCESS;
}
@ -1828,7 +1848,9 @@ static void check_ice(switch_media_handle_t *smh, switch_media_type_t type, sdp_
if (switch_check_network_list_ip(fields[4], engine->cand_acl[i])) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(smh->session), SWITCH_LOG_NOTICE,
"Choose Candidate cid: %d proto: %s type: %s addr: %s\n", cid+1, fields[2], fields[7], fields[4]);
"Choose %s Candidate cid: %d proto: %s type: %s addr: %s\n",
type == SWITCH_MEDIA_TYPE_VIDEO ? "video" : "audio",
cid+1, fields[2], fields[7], fields[4]);
engine->ice_in.cands[cid].foundation = switch_core_session_strdup(smh->session, fields[0]);
@ -2068,6 +2090,7 @@ SWITCH_DECLARE(uint8_t) switch_core_media_negotiate_sdp(switch_core_session_t *s
switch_channel_set_flag(session->channel, CF_WEBRTC);
switch_channel_set_flag(session->channel, CF_ICE);
smh->mparams->rtcp_audio_interval_msec = "2500";
smh->mparams->rtcp_video_interval_msec = "2500";
}
if (m->m_proto == sdp_proto_srtp || m->m_proto == sdp_proto_extended_srtp) {
@ -2627,16 +2650,15 @@ SWITCH_DECLARE(uint8_t) switch_core_media_negotiate_sdp(switch_core_session_t *s
switch_channel_set_variable(session->channel, "sip_video_recv_pt", tmp);
if (!match && vmatch) match = 1;
check_ice(smh, SWITCH_MEDIA_TYPE_VIDEO, m);
break;
} else {
vmatch = 0;
}
}
}
if (vmatch) {
check_ice(smh, SWITCH_MEDIA_TYPE_AUDIO, m);
}
}
}
@ -3542,6 +3564,32 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_activate_rtp(switch_core_sessi
(smh->mparams->stun_flags & STUN_FLAG_FUNNY) ? 1 : 0);
}
if (a_engine->ice_in.cands[0].ready) {
gen_ice(session, SWITCH_MEDIA_TYPE_AUDIO, "", 0);
switch_rtp_activate_ice(a_engine->rtp_session,
a_engine->ice_in.ufrag,
a_engine->ice_out.ufrag,
a_engine->ice_out.pwd,
a_engine->ice_in.pwd,
#ifdef GOOGLE_ICE
ICE_GOOGLE_JINGLE,
0
#else
ICE_VANILLA | ICE_CONTROLLED,
a_engine->ice_in.cands[0].priority
#endif
);
}
if ((val = switch_channel_get_variable(session->channel, "rtcp_audio_interval_msec")) || (val = smh->mparams->rtcp_audio_interval_msec)) {
const char *rport = switch_channel_get_variable(session->channel, "sip_remote_audio_rtcp_port");
switch_port_t remote_port = 0;
@ -3559,6 +3607,25 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_activate_rtp(switch_core_sessi
switch_rtp_activate_rtcp(a_engine->rtp_session, interval, remote_port);
}
}
if (a_engine->ice_in.cands[1].ready) {
switch_rtp_activate_rtcp_ice(a_engine->rtp_session,
a_engine->ice_in.ufrag,
a_engine->ice_out.ufrag,
a_engine->ice_out.pwd,
a_engine->ice_in.pwd,
#ifdef GOOGLE_ICE
ICE_GOOGLE_JINGLE,
0
#else
ICE_VANILLA | ICE_CONTROLLED,
a_engine->ice_in.cands[1].priority
#endif
);
}
}
if ((val = switch_channel_get_variable(session->channel, "jitterbuffer_msec")) || (val = smh->mparams->jb_msec)) {
@ -3699,53 +3766,15 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_activate_rtp(switch_core_sessi
switch_rtp_set_ssrc(a_engine->rtp_session, a_engine->ssrc);
if (a_engine->ice_in.cands[0].ready) {
gen_ice(session, SWITCH_MEDIA_TYPE_AUDIO, "", 0);
switch_rtp_activate_ice(a_engine->rtp_session,
a_engine->ice_in.ufrag,
a_engine->ice_out.ufrag,
a_engine->ice_out.pwd,
a_engine->ice_in.pwd,
#ifdef GOOGLE_ICE
ICE_GOOGLE_JINGLE,
0
#else
ICE_VANILLA | ICE_CONTROLLED,
a_engine->ice_in.cands[0].priority
#endif
);
if (a_engine->ice_in.cands[1].ready) {
switch_rtp_activate_rtcp_ice(a_engine->rtp_session,
a_engine->ice_in.ufrag,
a_engine->ice_out.ufrag,
a_engine->ice_out.pwd,
a_engine->ice_in.pwd,
#ifdef GOOGLE_ICE
ICE_GOOGLE_JINGLE,
0
#else
ICE_VANILLA | ICE_CONTROLLED,
a_engine->ice_in.cands[1].priority
#endif
);
}
}
video:
if (switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
switch_core_media_check_video_codecs(session);
}
if (switch_channel_test_flag(session->channel, CF_VIDEO_POSSIBLE) && v_engine->codec_params.rm_encoding && v_engine->codec_params.remote_sdp_port) {
/******************************************************************************************/
if (v_engine->rtp_session && switch_channel_test_flag(session->channel, CF_REINVITE)) {
@ -3903,6 +3932,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_activate_rtp(switch_core_sessi
v_engine->ssrc = ssrc_ul;
}
if (v_engine->ice_in.cands[0].ready) {
gen_ice(session, SWITCH_MEDIA_TYPE_VIDEO, "", 0);
@ -3922,7 +3952,28 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_activate_rtp(switch_core_sessi
#endif
);
}
if ((val = switch_channel_get_variable(session->channel, "rtcp_video_interval_msec")) || (val = smh->mparams->rtcp_video_interval_msec)) {
const char *rport = switch_channel_get_variable(session->channel, "sip_remote_video_rtcp_port");
switch_port_t remote_port = 0;
if (rport) {
remote_port = (switch_port_t)atoi(rport);
}
if (!strcasecmp(val, "passthru")) {
switch_rtp_activate_rtcp(v_engine->rtp_session, -1, remote_port);
} else {
int interval = atoi(val);
if (interval < 100 || interval > 5000) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR,
"Invalid rtcp interval spec [%d] must be between 100 and 5000\n", interval);
} else {
switch_rtp_activate_rtcp(v_engine->rtp_session, interval, remote_port);
}
}
if (v_engine->ice_in.cands[1].ready) {
switch_rtp_activate_rtcp_ice(v_engine->rtp_session,
@ -3939,9 +3990,13 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_activate_rtp(switch_core_sessi
#endif
);
}
}
}
if ((val = switch_channel_get_variable(session->channel, "rtp_manual_video_rtp_bugs"))) {
switch_core_media_parse_rtp_bugs(&v_engine->rtp_bugs, val);
}
@ -3960,26 +4015,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_activate_rtp(switch_core_sessi
switch_core_session_apply_crypto(session, SWITCH_MEDIA_TYPE_VIDEO, "rtp_secure_video_confirmed");
if ((val = switch_channel_get_variable(session->channel, "rtcp_audio_interval_msec"))
|| (val = smh->mparams->rtcp_audio_interval_msec)) {
const char *rport = switch_channel_get_variable(session->channel, "sip_remote_video_rtcp_port");
switch_port_t remote_port = 0;
if (rport) {
remote_port = (switch_port_t)atoi(rport);
}
if (!strcasecmp(val, "passthru")) {
switch_rtp_activate_rtcp(a_engine->rtp_session, -1, remote_port);
} else {
int interval = atoi(val);
if (interval < 100 || interval > 5000) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR,
"Invalid rtcp interval spec [%d] must be between 100 and 5000\n", interval);
} else {
switch_rtp_activate_rtcp(a_engine->rtp_session, interval, remote_port);
}
}
}
if (switch_channel_test_flag(session->channel, CF_ZRTP_PASSTHRU)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Activating video UDPTL mode\n");
switch_rtp_udptl_mode(v_engine->rtp_session);
@ -4711,6 +4747,8 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
// switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtcp:%d IN %s %s\n", v_port + 1, family, ip);
//}
//switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=ssrc:%u\n", v_engine->ssrc);
if (v_engine->codec_params.rm_encoding) {
const char *of;

25
src/switch_rtp.c
View File

@ -55,7 +55,7 @@
#define WRITE_DEC(rtp_session) switch_mutex_unlock(rtp_session->write_mutex); rtp_session->writing--
#define RTP_DEFAULT_STUNCOUNT 100;
#define RTP_DEFAULT_STUNCOUNT 25;
#define rtp_header_len 12
#define RTP_START_PORT 16384
#define RTP_END_PORT 32768
@ -351,6 +351,11 @@ typedef enum {
static void do_2833(switch_rtp_t *rtp_session, switch_core_session_t *session);
#define rtp_type(rtp_session) rtp_session->flags[SWITCH_RTP_FLAG_VIDEO] ? "video" : "audio"
static handle_rfc2833_result_t handle_rfc2833(switch_rtp_t *rtp_session, switch_size_t bytes, int *do_cng)
{
@ -794,6 +799,8 @@ static void handle_ice(switch_rtp_t *rtp_session, switch_rtp_ice_t *ice, void *d
ok = !strcmp(ice->user_ice, username);
}
//printf("ICE %s %d\n", rtp_type(rtp_session), ok);
if ((packet->header.type == SWITCH_STUN_BINDING_REQUEST) && ok) {
uint8_t stunbuf[512];
switch_stun_packet_t *rpacket;
@ -891,7 +898,7 @@ static void zrtp_event_callback(zrtp_stream_t *stream, unsigned event)
switch_event_t *fsevent = NULL;
const char *type;
type = rtp_session->flags[SWITCH_RTP_FLAG_VIDEO] ? "video" : "audio";
type = rtp_type(rtp_session)
switch (event) {
case ZRTP_EVENT_IS_SECURE:
@ -2450,6 +2457,7 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_activate_ice(switch_rtp_t *rtp_sessio
{
char ice_user[80];
char user_ice[80];
switch_core_session_t *session = switch_core_memory_pool_get_data(rtp_session->pool, "__session");
if ((type & ICE_VANILLA)) {
switch_snprintf(ice_user, sizeof(ice_user), "%s:%s", login, rlogin);
@ -2459,6 +2467,9 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_activate_ice(switch_rtp_t *rtp_sessio
switch_snprintf(user_ice, sizeof(user_ice), "%s%s", rlogin, login);
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_NOTICE, "Activating %s ICE: %s\n", rtp_type(rtp_session), ice_user);
rtp_session->ice.ice_user = switch_core_strdup(rtp_session->pool, ice_user);
rtp_session->ice.user_ice = switch_core_strdup(rtp_session->pool, user_ice);
rtp_session->ice.type = type;
@ -3208,7 +3219,8 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
#endif
#ifdef ENABLE_SRTP
if (rtp_session->flags[SWITCH_RTP_FLAG_SECURE_RECV] && (!rtp_session->ice.ice_user || rtp_session->recv_msg.header.version == 2)) {
if (rtp_session->flags[SWITCH_RTP_FLAG_SECURE_RECV] && rtp_session->recv_msg.header.version == 2) {
//if (rtp_session->flags[SWITCH_RTP_FLAG_SECURE_RECV] && (!rtp_session->ice.ice_user || rtp_session->recv_msg.header.version == 2)) {
int sbytes = (int) *bytes;
err_status_t stat = 0;
@ -3235,7 +3247,7 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
if (++rtp_session->srtp_errs >= MAX_SRTP_ERRS) {
switch_core_session_t *session = switch_core_memory_pool_get_data(rtp_session->pool, "__session");
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR,
"Error: SRTP unprotect failed with code %d%s\n", stat,
"Error: SRTP %s unprotect failed with code %d%s\n", rtp_type(rtp_session), stat,
stat == err_status_replay_fail ? " (replay check failed)" : stat ==
err_status_auth_fail ? " (auth check failed)" : "");
return SWITCH_STATUS_FALSE;
@ -4544,11 +4556,12 @@ static int rtp_common_write(switch_rtp_t *rtp_session,
send = 0;
}
#if 0
if (rtp_session->ice.ice_user && !rtp_session->ice.ready) {
send = 0;
//send = 0;
//printf("skip no stun love\n");
}
#endif
if (send) {
send_msg->header.seq = htons(++rtp_session->seq);