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raop: Restore legacy Airplay support

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This commit is contained in:
ckdo 2019-10-23 21:01:02 +02:00
parent 938fb64115
commit 6ecdfdef4a
2 changed files with 201 additions and 203 deletions
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402
src/modules/raop/raop-client.c
View file

@ -126,10 +126,6 @@ struct pa_raop_client {
pa_raop_client_state_cb_t state_callback;
void *state_userdata;
// Airplay 2 devices require additionnal authentication
// It actually is useful to authenticate Airplay server, not the device (see pa_rtsp_auth_setup for more
// details)
bool require_post_auth;
pa_volume_t initial_volume;
};
@ -867,113 +863,86 @@ static void rtsp_stream_cb(pa_rtsp_client *rtsp, pa_rtsp_state_t state, pa_rtsp_
pa_assert(rtsp == c->rtsp);
switch (state) {
case STATE_CONNECT:
case STATE_AUTH_SETUP: {
if (c->require_post_auth && state == STATE_CONNECT) {
struct {
uint32_t ci1;
uint32_t ci2;
} rci;
pa_log_debug("RAOP: CONNECTED");
case STATE_CONNECT: {
char *key, *iv, *sdp = NULL;
int frames = 0;
const char *ip;
char *url;
int ipv;
pa_random(&rci, sizeof(rci));
c->sci = pa_sprintf_malloc("%08x%08x", rci.ci1, rci.ci2);
pa_rtsp_add_header(c->rtsp, "Client-Instance", c->sci);
pa_log_debug("RAOP: CONNECT");
if (pa_rtsp_auth_setup(
c->rtsp,
"\x01\x4e\xea\xd0\x4e\xa9\x2e\x47\x69\xd2\xe1\xfb\xd0\x96\x81\xd5\x94\xa8\xef\x18\x45\x4a\x24\xae\xaf\xb3\x14\x97\x0d\xa0\xb5\xa3\x49"
) < 0) {
pa_log_error("RAOP: The device supports POST method but we were unable to POST auth-setup");
ip = pa_rtsp_localip(c->rtsp);
if (pa_is_ip6_address(ip)) {
ipv = 6;
url = pa_sprintf_malloc("rtsp://[%s]/%s", ip, c->sid);
} else {
ipv = 4;
url = pa_sprintf_malloc("rtsp://%s/%s", ip, c->sid);
}
pa_rtsp_set_url(c->rtsp, url);
if (c->protocol == PA_RAOP_PROTOCOL_TCP)
frames = FRAMES_PER_TCP_PACKET;
else if (c->protocol == PA_RAOP_PROTOCOL_UDP)
frames = FRAMES_PER_UDP_PACKET;
switch(c->encryption) {
case PA_RAOP_ENCRYPTION_NONE: {
sdp = pa_sprintf_malloc(
"v=0\r\n"
"o=iTunes %s 0 IN IP%d %s\r\n"
"s=iTunes\r\n"
"c=IN IP%d %s\r\n"
"t=0 0\r\n"
"m=audio 0 RTP/AVP 96\r\n"
"a=rtpmap:96 AppleLossless\r\n"
"a=fmtp:96 %d 0 16 40 10 14 2 255 0 0 44100\r\n",
c->sid, ipv, ip, ipv, c->host, frames);
break;
}
break;
}
if (!c->require_post_auth || (c->require_post_auth && state == STATE_AUTH_SETUP)) {
{
char *key, *iv, *sdp = NULL;
int frames = 0;
const char *ip;
char *url;
int ipv;
pa_log_debug("RAOP: AUTH SETUP");
ip = pa_rtsp_localip(c->rtsp);
if (pa_is_ip6_address(ip)) {
ipv = 6;
url = pa_sprintf_malloc("rtsp://[%s]/%s", ip, c->sid);
} else {
ipv = 4;
url = pa_sprintf_malloc("rtsp://%s/%s", ip, c->sid);
}
pa_rtsp_set_url(c->rtsp, url);
if (c->protocol == PA_RAOP_PROTOCOL_TCP)
frames = FRAMES_PER_TCP_PACKET;
else if (c->protocol == PA_RAOP_PROTOCOL_UDP)
frames = FRAMES_PER_UDP_PACKET;
switch(c->encryption) {
case PA_RAOP_ENCRYPTION_NONE: {
sdp = pa_sprintf_malloc(
"v=0\r\n"
"o=iTunes %s 0 IN IP%d %s\r\n"
"s=iTunes\r\n"
"c=IN IP%d %s\r\n"
"t=0 0\r\n"
"m=audio 0 RTP/AVP 96\r\n"
"a=rtpmap:96 AppleLossless\r\n"
"a=fmtp:96 %d 0 16 40 10 14 2 255 0 0 44100\r\n",
c->sid, ipv, ip, ipv, c->host, frames);
break;
}
case PA_RAOP_ENCRYPTION_RSA:
case PA_RAOP_ENCRYPTION_FAIRPLAY:
case PA_RAOP_ENCRYPTION_MFISAP:
case PA_RAOP_ENCRYPTION_FAIRPLAY_SAP25: {
key = pa_raop_secret_get_key(c->secret);
if (!key) {
pa_log("pa_raop_secret_get_key() failed.");
pa_rtsp_disconnect(rtsp);
/* FIXME: This is an unrecoverable failure. We should notify
* the pa_raop_client owner so that it could shut itself
* down. */
goto connect_finish;
}
iv = pa_raop_secret_get_iv(c->secret);
sdp = pa_sprintf_malloc(
"v=0\r\n"
"o=iTunes %s 0 IN IP%d %s\r\n"
"s=iTunes\r\n"
"c=IN IP%d %s\r\n"
"t=0 0\r\n"
"m=audio 0 RTP/AVP 96\r\n"
"a=rtpmap:96 AppleLossless\r\n"
"a=fmtp:96 %d 0 16 40 10 14 2 255 0 0 44100\r\n"
"a=rsaaeskey:%s\r\n"
"a=aesiv:%s\r\n",
c->sid, ipv, ip, ipv, c->host, frames, key, iv);
pa_xfree(key);
pa_xfree(iv);
break;
}
case PA_RAOP_ENCRYPTION_RSA:
case PA_RAOP_ENCRYPTION_FAIRPLAY:
case PA_RAOP_ENCRYPTION_MFISAP:
case PA_RAOP_ENCRYPTION_FAIRPLAY_SAP25: {
key = pa_raop_secret_get_key(c->secret);
if (!key) {
pa_log("pa_raop_secret_get_key() failed.");
pa_rtsp_disconnect(rtsp);
/* FIXME: This is an unrecoverable failure. We should notify
* the pa_raop_client owner so that it could shut itself
* down. */
goto connect_finish;
}
pa_rtsp_announce(c->rtsp, sdp);
iv = pa_raop_secret_get_iv(c->secret);
connect_finish:
pa_xfree(sdp);
pa_xfree(url);
sdp = pa_sprintf_malloc(
"v=0\r\n"
"o=iTunes %s 0 IN IP%d %s\r\n"
"s=iTunes\r\n"
"c=IN IP%d %s\r\n"
"t=0 0\r\n"
"m=audio 0 RTP/AVP 96\r\n"
"a=rtpmap:96 AppleLossless\r\n"
"a=fmtp:96 %d 0 16 40 10 14 2 255 0 0 44100\r\n"
"a=rsaaeskey:%s\r\n"
"a=aesiv:%s\r\n",
c->sid, ipv, ip, ipv, c->host, frames, key, iv);
pa_xfree(key);
pa_xfree(iv);
break;
}
}
pa_rtsp_announce(c->rtsp, sdp);
connect_finish:
pa_xfree(sdp);
pa_xfree(url);
break;
}
@ -983,30 +952,34 @@ static void rtsp_stream_cb(pa_rtsp_client *rtsp, pa_rtsp_state_t state, pa_rtsp_
break;
}
case STATE_ANNOUNCE: {
uint16_t cport = DEFAULT_UDP_CONTROL_PORT;
uint16_t tport = DEFAULT_UDP_TIMING_PORT;
case STATE_ANNOUNCE:
case STATE_AUTH_SETUP: {
char *trs = NULL;
pa_log_debug("RAOP: ANNOUNCE");
uint16_t cport = DEFAULT_UDP_CONTROL_PORT;
uint16_t tport = DEFAULT_UDP_TIMING_PORT;
pa_log_debug("RAOP: ANNOUNCE or AUTH-SETUP");
if (c->protocol == PA_RAOP_PROTOCOL_TCP) {
trs = pa_sprintf_malloc(
"RTP/AVP/TCP;unicast;interleaved=0-1;mode=record");
} else if (c->protocol == PA_RAOP_PROTOCOL_UDP) {
c->udp_cfd = open_bind_udp_socket(c, &cport);
c->udp_tfd = open_bind_udp_socket(c, &tport);
if (c->udp_cfd < 0 || c->udp_tfd < 0)
goto annonce_error;
if (state == STATE_ANNOUNCE) {
c->udp_cfd = open_bind_udp_socket(c, &cport);
c->udp_tfd = open_bind_udp_socket(c, &tport);
if (c->udp_cfd < 0 || c->udp_tfd < 0)
goto annonce_error;
}
trs = pa_sprintf_malloc(
"RTP/AVP/UDP;unicast;interleaved=0-1;mode=record;"
"control_port=%d;timing_port=%d",
cport, tport);
}
if (c->state_callback)
c->state_callback(PA_RAOP_CONNECTED, c->state_userdata);
if (state == STATE_ANNOUNCE)
if (c->state_callback)
c->state_callback(PA_RAOP_CONNECTED, c->state_userdata);
pa_rtsp_setup(c->rtsp, trs);
@ -1031,119 +1004,145 @@ static void rtsp_stream_cb(pa_rtsp_client *rtsp, pa_rtsp_state_t state, pa_rtsp_
}
case STATE_SETUP: {
pa_socket_client *sc = NULL;
uint32_t sport = DEFAULT_UDP_AUDIO_PORT;
uint32_t cport =0, tport = 0;
char *ajs, *token, *pc, *trs;
const char *token_state = NULL;
char delimiters[] = ";";
if (status == STATUS_FORBIDDEN) {
struct {
uint32_t ci1;
uint32_t ci2;
} rci;
pa_log_debug("RAOP: SETUP - FORBIDDEN");
pa_log_debug("RAOP: SETUP");
pa_random(&rci, sizeof(rci));
c->sci = pa_sprintf_malloc("%08x%08x", rci.ci1, rci.ci2);
pa_rtsp_add_header(c->rtsp, "Client-Instance", c->sci);
ajs = pa_xstrdup(pa_headerlist_gets(headers, "Audio-Jack-Status"));
if (ajs) {
c->jack_type = JACK_TYPE_ANALOG;
c->jack_status = JACK_STATUS_DISCONNECTED;
while ((token = pa_split(ajs, delimiters, &token_state))) {
if ((pc = strstr(token, "="))) {
*pc = 0;
if (pa_streq(token, "type") && pa_streq(pc + 1, "digital"))
c->jack_type = JACK_TYPE_DIGITAL;
} else {
if (pa_streq(token, "connected"))
c->jack_status = JACK_STATUS_CONNECTED;
}
pa_xfree(token);
// Airplay 2 devices require additionnal authentication step
// It is actually useful to authenticate AirTunes server, not the device (see pa_rtsp_auth_setup for more details)
if (pa_rtsp_auth_setup(
c->rtsp,
"\x01\x4e\xea\xd0\x4e\xa9\x2e\x47\x69\xd2\xe1\xfb\xd0\x96\x81\xd5\x94\xa8\xef\x18\x45\x4a\x24\xae\xaf\xb3\x14\x97\x0d\xa0\xb5\xa3\x49"
) < 0) {
pa_log_error("RAOP: Unable to POST auth-setup");
}
} else {
pa_log_warn("\"Audio-Jack-Status\" missing in RTSP setup response");
break;
}
sport = pa_rtsp_serverport(c->rtsp);
if (sport <= 0)
goto setup_error;
if (status == STATUS_OK) {
pa_socket_client *sc = NULL;
uint32_t sport = DEFAULT_UDP_AUDIO_PORT;
uint32_t cport = 0, tport = 0;
char *ajs, *token, *pc, *trs;
const char *token_state = NULL;
char delimiters[] = ";";
token_state = NULL;
if (c->protocol == PA_RAOP_PROTOCOL_TCP) {
if (!(sc = pa_socket_client_new_string(c->core->mainloop, true, c->host, sport)))
goto setup_error;
pa_log_debug("RAOP: SETUP");
pa_socket_client_ref(sc);
pa_socket_client_set_callback(sc, tcp_connection_cb, c);
ajs = pa_xstrdup(pa_headerlist_gets(headers, "Audio-Jack-Status"));
pa_socket_client_unref(sc);
sc = NULL;
} else if (c->protocol == PA_RAOP_PROTOCOL_UDP) {
trs = pa_xstrdup(pa_headerlist_gets(headers, "Transport"));
if (ajs) {
c->jack_type = JACK_TYPE_ANALOG;
c->jack_status = JACK_STATUS_DISCONNECTED;
if (trs) {
/* Now parse out the server port component of the response. */
while ((token = pa_split(trs, delimiters, &token_state))) {
while ((token = pa_split(ajs, delimiters, &token_state))) {
if ((pc = strstr(token, "="))) {
*pc = 0;
if (pa_streq(token, "control_port")) {
if (pa_atou(pc + 1, &cport) < 0)
goto setup_error_parse;
}
if (pa_streq(token, "timing_port")) {
if (pa_atou(pc + 1, &tport) < 0)
goto setup_error_parse;
}
*pc = '=';
if (pa_streq(token, "type") && pa_streq(pc + 1, "digital"))
c->jack_type = JACK_TYPE_DIGITAL;
} else {
if (pa_streq(token, "connected"))
c->jack_status = JACK_STATUS_CONNECTED;
}
pa_xfree(token);
}
pa_xfree(trs);
} else {
pa_log_warn("\"Transport\" missing in RTSP setup response");
pa_log_warn("\"Audio-Jack-Status\" missing in RTSP setup response");
}
if (cport <= 0 || tport <= 0)
sport = pa_rtsp_serverport(c->rtsp);
if (sport <= 0)
goto setup_error;
if ((c->udp_sfd = connect_udp_socket(c, -1, sport)) <= 0)
goto setup_error;
if ((c->udp_cfd = connect_udp_socket(c, c->udp_cfd, cport)) <= 0)
goto setup_error;
if ((c->udp_tfd = connect_udp_socket(c, c->udp_tfd, tport)) <= 0)
goto setup_error;
token_state = NULL;
if (c->protocol == PA_RAOP_PROTOCOL_TCP) {
if (!(sc = pa_socket_client_new_string(c->core->mainloop, true, c->host, sport)))
goto setup_error;
pa_log_debug("Connection established (UDP;control_port=%d;timing_port=%d)", cport, tport);
pa_socket_client_ref(sc);
pa_socket_client_set_callback(sc, tcp_connection_cb, c);
pa_socket_client_unref(sc);
sc = NULL;
} else if (c->protocol == PA_RAOP_PROTOCOL_UDP) {
trs = pa_xstrdup(pa_headerlist_gets(headers, "Transport"));
if (trs) {
/* Now parse out the server port component of the response. */
while ((token = pa_split(trs, delimiters, &token_state))) {
if ((pc = strstr(token, "="))) {
*pc = 0;
if (pa_streq(token, "control_port")) {
if (pa_atou(pc + 1, &cport) < 0)
goto setup_error_parse;
}
if (pa_streq(token, "timing_port")) {
if (pa_atou(pc + 1, &tport) < 0)
goto setup_error_parse;
}
*pc = '=';
}
pa_xfree(token);
}
pa_xfree(trs);
} else {
pa_log_warn("\"Transport\" missing in RTSP setup response");
}
if (cport <= 0 || tport <= 0)
goto setup_error;
if ((c->udp_sfd = connect_udp_socket(c, -1, sport)) <= 0)
goto setup_error;
if ((c->udp_cfd = connect_udp_socket(c, c->udp_cfd, cport)) <= 0)
goto setup_error;
if ((c->udp_tfd = connect_udp_socket(c, c->udp_tfd, tport)) <= 0)
goto setup_error;
pa_log_debug("Connection established (UDP;control_port=%d;timing_port=%d)", cport, tport);
}
pa_rtsp_record(c->rtsp, &c->seq, &c->rtptime);
pa_xfree(ajs);
break;
setup_error_parse:
pa_log("Failed parsing server port components");
pa_xfree(token);
pa_xfree(trs);
/* fall-thru */
setup_error:
if (c->tcp_sfd >= 0)
pa_close(c->tcp_sfd);
c->tcp_sfd = -1;
if (c->udp_sfd >= 0)
pa_close(c->udp_sfd);
c->udp_sfd = -1;
c->udp_cfd = c->udp_tfd = -1;
pa_rtsp_client_free(c->rtsp);
pa_log_error("aborting RTSP setup, failed creating required sockets");
if (c->state_callback)
c->state_callback(PA_RAOP_DISCONNECTED, c->state_userdata);
c->rtsp = NULL;
break;
}
pa_rtsp_record(c->rtsp, &c->seq, &c->rtptime);
pa_xfree(ajs);
break;
setup_error_parse:
pa_log("Failed parsing server port components");
pa_xfree(token);
pa_xfree(trs);
/* fall-thru */
setup_error:
if (c->tcp_sfd >= 0)
pa_close(c->tcp_sfd);
c->tcp_sfd = -1;
if (c->udp_sfd >= 0)
pa_close(c->udp_sfd);
c->udp_sfd = -1;
c->udp_cfd = c->udp_tfd = -1;
pa_rtsp_client_free(c->rtsp);
pa_log_error("aborting RTSP setup, failed creating required sockets");
if (c->state_callback)
c->state_callback(PA_RAOP_DISCONNECTED, c->state_userdata);
c->rtsp = NULL;
break;
}
@ -1361,7 +1360,6 @@ static void rtsp_auth_cb(pa_rtsp_client *rtsp, pa_rtsp_state_t state, pa_rtsp_st
if (STATUS_OK == status) {
publ = pa_xstrdup(pa_headerlist_gets(headers, "Public"));
c->sci = pa_xstrdup(pa_rtsp_get_header(c->rtsp, "Client-Instance"));
c->require_post_auth = true;
if (c->password)
pa_xfree(c->password);

2
src/modules/rtp/rtsp_client.c
View file

@ -129,7 +129,7 @@ static void headers_read(pa_rtsp_client *c) {
pa_assert(c->callback);
/* Deal with a SETUP response */
if (STATE_SETUP == c->state) {
if (STATE_SETUP == c->state && c->status == STATUS_OK) {
const char* token_state = NULL;
const char* pc = NULL;
c->session = pa_xstrdup(pa_headerlist_gets(c->response_headers, "Session"));