PWN-Hunter/android_system_sepolicy
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Add /dev/__properties__/property_info

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Allow init to create a serialized property_info file and allow all
processes to read it.

Bug: 36001741
Test: boot bullhead, walleye using property_info

Change-Id: Ie51d4c0f0221b128dd087029c811fda15b4d7093
This commit is contained in:
Tom Cherry 2017-11-16 14:25:02 -08:00
parent 1fc08a299c
commit 8b5433a9cc
5 changed files with 7 additions and 0 deletions
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1
private/compat/26.0/26.0.ignore.cil
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@ -26,6 +26,7 @@
netd_stable_secret_prop
network_watchlist_service
package_native_service
property_info
slice_service
statscompanion_service
storaged_data_file

1
private/file_contexts
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@ -171,6 +171,7 @@
/dev/xt_qtaguid u:object_r:qtaguid_device:s0
/dev/zero u:object_r:zero_device:s0
/dev/__properties__ u:object_r:properties_device:s0
/dev/__properties__/property_info u:object_r:property_info:s0
#############################
# System files
#

1
public/device.te
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@ -59,6 +59,7 @@ type usbaccessory_device, dev_type, mlstrustedobject;
type usb_device, dev_type, mlstrustedobject;
type properties_device, dev_type;
type properties_serial, dev_type;
type property_info, dev_type;
type i2c_device, dev_type;
# All devices have a uart for the hci

1
public/domain.te
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@ -81,6 +81,7 @@ allow domain proc_random:dir r_dir_perms;
allow domain proc_random:file r_file_perms;
allow domain properties_device:dir { search getattr };
allow domain properties_serial:file r_file_perms;
allow domain property_info:file r_file_perms;
# For now, everyone can access core property files
# Device specific properties are not granted by default

3
public/init.te
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@ -21,6 +21,9 @@ userdebug_or_eng(`
allow init properties_device:dir relabelto;
allow init properties_serial:file { write relabelto };
allow init property_type:file { create_file_perms relabelto };
# /dev/__properties__/property_info
allow init properties_device:file create_file_perms;
allow init property_info:file relabelto;
# /dev/event-log-tags
allow init device:file relabelfrom;
allow init runtime_event_log_tags_file:file { open write setattr relabelto create };