PWN-Hunter/android_system_sepolicy
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bf18eca5ce
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5 Commits

Author SHA1 Message Date
Christopher Wiley
bf18eca5ce Separate permissions to set WiFi related properties 
wificond would like to be able to set WiFi related properties
without access to the rest of the system properties.  Today,
this only involves marking the driver as loaded or unloaded.

avc: denied { write } for name="property_service" dev="tmpfs" ino=10100
scontext=u:r:wificond:s0 tcontext=u:object_r:property_socket:s0
tclass=sock_file permissive=0

Bug: 29579539
Test: No avc denials related to system properties across
      various WiFi events.

Change-Id: I6d9f1de3fbef04cb7750cc3753634f9e02fdb71f
(cherry picked from commit 1ebfdd6a14)
 2016-08-26 13:15:52 -07:00
Christopher Wiley
97db27d8c5 Define explicit label for wlan sysfs fwpath 
avc: denied { write } for name="fwpath" dev="sysfs" ino=6863
scontext=u:r:wificond:s0 tcontext=u:object_r:sysfs_wlan_fwpath:s0
tclass=file permissive=0

Test: wificond and netd can write to this path, wifi works
Test: `runtest frameworks-wifi` passes

Bug: 29579539

Change-Id: Ia21c654b00b09b9fe3e50d564b82966c9c8e6994
(cherry picked from commit 7d13dd806f)
 2016-08-26 13:15:41 -07:00
Roshan Pius
7c539b1c96 sepolicy: Add permissions for wpa_supplicant binder 
Add the necessary permissions for |wpa_supplicant| to expose a binder
interface. This binder interface will be used by the newly added
|wificond| service (and potentially system_server).
|wpa_supplicant| also needs to invoke binder callbacks on |wificond|.

Changes in the CL:
1. Allow |wpa_supplicant| to register binder service.
2. Allow |wpa_supplicant| to invoke binder calls on |wificond|.
3. Allow |wificond| to invoke binder calls on |wpa_supplicant|

Denials:
06-30 08:14:42.788   400   400 E SELinux : avc:  denied  { add } for
service=wpa_supplicant pid=20756 uid=1010 scontext=u:r:wpa:s0
tcontext=u:object_r:default_android_service:s0 tclass=service_manager
permissive=1

BUG:29877467
TEST: Compiled and ensured that the selinux denials are no longer
present in logs.
TEST: Ran integration test to find the service.

Change-Id: Ib78d8e820fc81b2c3d9260e1c877c5faa9f1f662
(cherry picked from commit 18883a93b7)
 2016-08-26 13:13:51 -07:00
Ningyuan Wang
b83c8cb139 sepolicy: add sepolicy binder support for wificond 
This allows wificond to publish binder interface using
service manager.

Denial warnings:

wificond: type=1400 audit(0.0:8): avc:
denied { call } for scontext=u:r:wificond:s0
tcontext=u:r:servicemanager:s0 tclass=binder permissive=1

wificond: type=1400 audit(0.0:9): avc:
denied { transfer } for scontext=u:r:wificond:s0
tcontext=u:r:servicemanager:s0 tclass=binder permissive=1

servicemanager: type=1400
audit(0.0:10): avc: denied { search } for name="6085" dev="proc"
ino=40626 scontext=u:r:servicemanager:s0 tcontext=u:r:wificond:s0
tclass=dir permissive=1

servicemanager: type=1400
audit(0.0:11): avc: denied { read } for name="current" dev="proc"
ino=40641 scontext=u:r:servicemanager:s0 tcontext=u:r:wificond:s0
tclass=file permissive=1

servicemanager: type=1400
audit(0.0:12): avc: denied { open } for path="/proc/6085/attr/current"
dev="proc" ino=40641 scontext=u:r:servicemanager:s0
tcontext=u:r:wificond:s0 tclass=file permissive=1

servicemanager: type=1400
audit(0.0:13): avc: denied { getattr } for
scontext=u:r:servicemanager:s0 tcontext=u:r:wificond:s0 tclass=process
permissive=1

SELinux : avc:  denied  { add } for
service=wificond pid=6085 uid=0 scontext=u:r:wificond:s0
tcontext=u:object_r:wifi_service:s0 tclass=service_manager permissive=1

BUG=28867093
TEST=compile
TEST=use a client to call wificond service through binder

Change-Id: I9312892caff171f17b04c30a415c07036b39ea7f
(cherry picked from commit d56bcb1c54)
 2016-08-26 13:13:51 -07:00
Ningyuan Wang
3cbf14a183 Sepolicy files for wificond 
This sepolicy change allows wificond to run as a deamon.

BUG=28865186
TEST=compile
TEST=compile with ag/1059605
  Add wificond to '/target/product/base.mk'
  Adb shell ps -A | grep 'wificond'

Change-Id: If1e4a8542ac03e8ae42371d75aa46b90c3d8545d
(cherry picked from commit 4ef44a616e)
 2016-08-26 13:13:51 -07:00