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raop: Add fp_sap25 encryption type

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Add support for FairPlay SAP v2.5 (encryption type 5) type devices such as Apple Home Pod Minis.

Apparently only these devices require the `POST /feedback` heartbeat, so fix that.
This commit is contained in:
Christian Glombek 2025-04-10 23:13:46 +02:00
parent 4c51e6518b
commit 9e3f9607a6
2 changed files with 13 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/modules/module-raop-discover.c
View file

@ -71,7 +71,7 @@
* #raop.domain = ""
* #raop.device = ""
* #raop.transport = "udp" | "tcp"
* #raop.encryption.type = "RSA" | "auth_setup" | "none"
* #raop.encryption.type = "none" | "RSA" | "auth_setup" | "fp_sap25"
* #raop.audio.codec = "PCM" | "ALAC" | "AAC" | "AAC-ELD"
* #audio.channels = 2
* #audio.format = "S16" | "S24" | "S32"
@ -244,10 +244,12 @@ static void pw_properties_from_avahi_string(const char *key, const char *value,
* 3 = FairPlay,
* 4 = MFiSAP (/auth-setup),
* 5 = FairPlay SAPv2.5 */
if (str_in_list(value, ",", "1"))
value = "RSA";
if (str_in_list(value, ",", "5"))
value = "fp_sap25";
else if (str_in_list(value, ",", "4"))
value = "auth_setup";
else if (str_in_list(value, ",", "1"))
value = "RSA";
else
value = "none";
pw_properties_set(props, "raop.encryption.type", value);

11
src/modules/module-raop-sink.c
View file

@ -197,6 +197,7 @@ enum {
CRYPTO_NONE,
CRYPTO_RSA,
CRYPTO_AUTH_SETUP,
CRYPTO_FP_SAP25,
};
enum {
CODEC_PCM,
@ -892,9 +893,9 @@ static int rtsp_record_reply(void *data, int status, const struct spa_dict *head
interval.tv_nsec = 0;
// feedback timer is only needed for auth_setup encryption
if (impl->encryption == CRYPTO_AUTH_SETUP && !impl->feedback_timer) {
impl->feedback_timer = pw_loop_add_timer(impl->loop, rtsp_do_post_feedback, impl);
if (impl->encryption == CRYPTO_FP_SAP25) {
if (!impl->feedback_timer)
impl->feedback_timer = pw_loop_add_timer(impl->loop, rtsp_do_post_feedback, impl);
pw_loop_update_timer(impl->loop, impl->feedback_timer, &timeout, &interval, false);
}
@ -1239,6 +1240,7 @@ static int rtsp_do_announce(struct impl *impl)
switch (impl->encryption) {
case CRYPTO_NONE:
case CRYPTO_FP_SAP25:
sdp = spa_aprintf("v=0\r\n"
"o=iTunes %s 0 IN IP%d %s\r\n"
"s=iTunes\r\n"
@ -1252,6 +1254,7 @@ static int rtsp_do_announce(struct impl *impl)
if (!sdp)
return -errno;
break;
case CRYPTO_AUTH_SETUP:
sdp = spa_aprintf("v=0\r\n"
"o=iTunes %s 0 IN IP%d %s\r\n"
@ -1877,6 +1880,8 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
impl->encryption = CRYPTO_RSA;
else if (spa_streq(str, "auth_setup"))
impl->encryption = CRYPTO_AUTH_SETUP;
else if (spa_streq(str, "fp_sap25"))
impl->encryption = CRYPTO_FP_SAP25;
else {
pw_log_error( "can't handle encryption type %s", str);
res = -EINVAL;