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pulse-server: add quirk to block record and playback streams

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Add aquirk to block any record or playback stream.
This commit is contained in:
Wim Taymans 2024-09-23 10:56:40 +02:00
parent 4b9db9492e
commit ca488a5dcc
4 changed files with 18 additions and 0 deletions
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2
src/modules/module-protocol-pulse.c
View file

@ -338,6 +338,8 @@
* * `block-source-volume` blocks the client from updating any source volumes. This can be used
* to disable things like automatic gain control.
* * `block-sink-volume` blocks the client from updating any sink volumes.
* * `block-record-stream` blocks the client from creating any record stream.
* * `block-playback-stream` blocks the client from creating any playback stream.
*
* ### update-props
*

12
src/modules/module-protocol-pulse/pulse-server.c
View file

@ -1726,6 +1726,9 @@ static int do_create_playback_stream(struct client *client, uint32_t command, ui
if (n_valid_formats == 0)
goto error_no_formats;
if (client->quirks & QUIRK_BLOCK_PLAYBACK_STREAM)
goto error_no_permission;
stream = stream_new(client, STREAM_TYPE_PLAYBACK, tag, &ss, &map, &attr);
if (stream == NULL)
goto error_errno;
@ -1798,6 +1801,9 @@ error_protocol:
error_no_formats:
res = -ENOTSUP;
goto error;
error_no_permission:
res = -EPERM;
goto error;
error_invalid:
res = -EINVAL;
goto error;
@ -1992,6 +1998,9 @@ static int do_create_record_stream(struct client *client, uint32_t command, uint
if (n_valid_formats == 0)
goto error_no_formats;
if (client->quirks & QUIRK_BLOCK_RECORD_STREAM)
goto error_no_permission;
stream = stream_new(client, STREAM_TYPE_RECORD, tag, &ss, &map, &attr);
if (stream == NULL)
goto error_errno;
@ -2078,6 +2087,9 @@ error_protocol:
error_no_formats:
res = -ENOTSUP;
goto error;
error_no_permission:
res = -EPERM;
goto error;
error_invalid:
res = -EINVAL;
goto error;

2
src/modules/module-protocol-pulse/quirks.c
View file

@ -19,6 +19,8 @@ static uint64_t parse_quirks(const char *str)
{ "remove-capture-dont-move", QUIRK_REMOVE_CAPTURE_DONT_MOVE },
{ "block-source-volume", QUIRK_BLOCK_SOURCE_VOLUME },
{ "block-sink-volume", QUIRK_BLOCK_SINK_VOLUME },
{ "block-record-stream", QUIRK_BLOCK_RECORD_STREAM },
{ "block-playback-stream", QUIRK_BLOCK_PLAYBACK_STREAM },
};
SPA_FOR_EACH_ELEMENT_VAR(quirk_keys, i) {
if (spa_streq(str, i->key))

2
src/modules/module-protocol-pulse/quirks.h
View file

@ -12,6 +12,8 @@
#define QUIRK_REMOVE_CAPTURE_DONT_MOVE (1ull<<1) /** removes the capture stream DONT_MOVE flag */
#define QUIRK_BLOCK_SOURCE_VOLUME (1ull<<2) /** block volume changes to sources */
#define QUIRK_BLOCK_SINK_VOLUME (1ull<<3) /** block volume changes to sinks */
#define QUIRK_BLOCK_RECORD_STREAM (1ull<<4) /** block creating a record stream */
#define QUIRK_BLOCK_PLAYBACK_STREAM (1ull<<5) /** block creating a playback stream */
int client_update_quirks(struct client *client);