PWN-Hunter/android_system_sepolicy
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Allow mediaserver to connect to bluetooth.

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Re-purpose the existing bluetooth_socket type, originally
for /dev/socket/bluetooth used by bluetoothd in the old
bluetooth stack, for sockets created by bluedroid under
/data/misc/bluedroid, and allow mediaserver to connect
to such sockets.  This is required for playing audio
on paired BT devices.

Based on b/12417855.

Change-Id: I24ecdf407d066e7c4939ed2a0edb97222a1879f6
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
This commit is contained in:
Stephen Smalley 2014-01-13 09:14:15 -05:00
parent 94f322e016
commit 09f6a99b66
4 changed files with 8 additions and 2 deletions
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1
app.te
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@ -249,7 +249,6 @@ neverallow { appdomain -unconfineddomain } socket_device:sock_file write;
# Unix domain sockets.
neverallow { appdomain -unconfineddomain } adbd_socket:sock_file write;
neverallow { appdomain -unconfineddomain } bluetooth_socket:sock_file write;
neverallow { appdomain -unconfineddomain } installd_socket:sock_file write;
neverallow { appdomain -bluetooth -radio -shell -system_app -unconfineddomain }
property_socket:sock_file write;

4
bluetooth.te
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@ -7,6 +7,10 @@ app_domain(bluetooth)
allow bluetooth bluetooth_data_file:dir create_dir_perms;
allow bluetooth bluetooth_data_file:notdevfile_class_set create_file_perms;
# Socket creation under /data/misc/bluedroid.
type_transition bluetooth bluetooth_data_file:sock_file bluetooth_socket;
allow bluetooth bluetooth_socket:sock_file create_file_perms;
# bluetooth factory file accesses.
r_dir_file(bluetooth, bluetooth_efs_file)

1
file_contexts
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@ -75,7 +75,6 @@
/dev/snd(/.*)? u:object_r:audio_device:s0
/dev/socket(/.*)? u:object_r:socket_device:s0
/dev/socket/adbd u:object_r:adbd_socket:s0
/dev/socket/bluetooth u:object_r:bluetooth_socket:s0
/dev/socket/dnsproxyd u:object_r:dnsproxyd_socket:s0
/dev/socket/dumpstate u:object_r:dumpstate_socket:s0
/dev/socket/gps u:object_r:gps_socket:s0

4
mediaserver.te
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@ -66,3 +66,7 @@ allow mediaserver rild:unix_stream_socket { connectto read write setopt };
# Needed on some devices for playing DRM protected content,
# but seems expected and appropriate for all devices.
unix_socket_connect(mediaserver, drmserver, drmserver)
# Needed on some devices for playing audio on paired BT device,
# but seems appropriate for all devices.
unix_socket_connect(mediaserver, bluetooth, bluetooth)