2f5a6a96bd
A common source of mistakes when authoring sepolicy is properly
setting up property sets. This is a 3 part step of:
1. Allowing the unix domain connection to the init/property service
2. Allowing write on the property_socket file
3. Allowing the set on class property_service
The macro unix_socket_connect() handled 1 and 2, but could be
confusing for first time policy authors. 3 had to be explicitly
added.
To correct this, we introduce a new macros:
set_prop(sourcedomain, targetprop)
This macro handles steps 1, 2 and 3.
No difference in sediff is expected.
(cherrypicked from commit 625a3526f1)
Change-Id: I630ba0178439c935d08062892990d43a3cc1239e
Signed-off-by: William Roberts <william.c.roberts@linux.intel.com>
72 lines
2.3 KiB
Text
72 lines
2.3 KiB
Text
# surfaceflinger - display compositor service
|
|
type surfaceflinger, domain;
|
|
type surfaceflinger_exec, exec_type, file_type;
|
|
|
|
init_daemon_domain(surfaceflinger)
|
|
typeattribute surfaceflinger mlstrustedsubject;
|
|
|
|
# Perform Binder IPC.
|
|
binder_use(surfaceflinger)
|
|
binder_call(surfaceflinger, binderservicedomain)
|
|
binder_call(surfaceflinger, appdomain)
|
|
binder_call(surfaceflinger, bootanim)
|
|
binder_service(surfaceflinger)
|
|
|
|
# Binder IPC to bu, presently runs in adbd domain.
|
|
binder_call(surfaceflinger, adbd)
|
|
|
|
# Read /proc/pid files for Binder clients.
|
|
r_dir_file(surfaceflinger, binderservicedomain)
|
|
r_dir_file(surfaceflinger, appdomain)
|
|
|
|
# Access the GPU.
|
|
allow surfaceflinger gpu_device:chr_file rw_file_perms;
|
|
|
|
# Access /dev/graphics/fb0.
|
|
allow surfaceflinger graphics_device:dir search;
|
|
allow surfaceflinger graphics_device:chr_file rw_file_perms;
|
|
|
|
# Access /dev/video1.
|
|
allow surfaceflinger video_device:dir r_dir_perms;
|
|
allow surfaceflinger video_device:chr_file rw_file_perms;
|
|
|
|
# Create and use netlink kobject uevent sockets.
|
|
allow surfaceflinger self:netlink_kobject_uevent_socket create_socket_perms;
|
|
|
|
# Set properties.
|
|
set_prop(surfaceflinger, system_prop)
|
|
set_prop(surfaceflinger, ctl_bootanim_prop)
|
|
|
|
# Use open files supplied by an app.
|
|
allow surfaceflinger appdomain:fd use;
|
|
allow surfaceflinger app_data_file:file { read write };
|
|
|
|
# Use open file provided by bootanim.
|
|
allow surfaceflinger bootanim:fd use;
|
|
|
|
# Allow a dumpstate triggered screenshot
|
|
binder_call(surfaceflinger, dumpstate)
|
|
binder_call(surfaceflinger, shell)
|
|
r_dir_file(surfaceflinger, dumpstate)
|
|
|
|
# Needed on some devices for playing DRM protected content,
|
|
# but seems expected and appropriate for all devices.
|
|
allow surfaceflinger tee:unix_stream_socket connectto;
|
|
allow surfaceflinger tee_device:chr_file rw_file_perms;
|
|
|
|
|
|
# media.player service
|
|
allow surfaceflinger mediaserver_service:service_manager find;
|
|
allow surfaceflinger permission_service:service_manager find;
|
|
allow surfaceflinger power_service:service_manager find;
|
|
allow surfaceflinger surfaceflinger_service:service_manager { add find };
|
|
allow surfaceflinger window_service:service_manager find;
|
|
|
|
###
|
|
### Neverallow rules
|
|
###
|
|
### surfaceflinger should NEVER do any of this
|
|
|
|
# Do not allow accessing SDcard files as unsafe ejection could
|
|
# cause the kernel to kill the process.
|
|
neverallow surfaceflinger sdcard_type:file rw_file_perms;
|