Also add neverallow rules to enforce that unintended domains aren't
allowed to use any of the fscrypt ioctls.
(Originally based on a patch by Satya Tangirala <satyat@google.com>)
Bug: 140500828
Test: see I296ef78138578a3fd773797ac0cd46af1296b959
Change-Id: I01e81edf0d948af254ddf4275702e7224b2698e4
Allow the shell domain to use the FS_IOC_GET_ENCRYPTION_POLICY and
FS_IOC_GET_ENCRYPTION_POLICY_EX ioctls so that we can write a CTS test
which checks that the device complies with the CDD requirements to use
appropriate algorithms for file-based encryption.
The information returned by these ioctls is already available in logcat,
but scraping the log for a CTS test seems fragile; I assume that people
would prefer a more robust solution.
For more details see change I9082241066cba82b531e51f9a5aec14526467162
Bug: 111311698
Test: the CTS test works after this change.
Change-Id: Ib9ce6b42fcfb6b546eb80a93ae8d17ac5a433984
The original fs-verity implementation requires CAP_SYS_ADMIN and thus
the actual setup is proxied through installd. Instead, upstream
FS_IOC_ENABLE_VERITY ioctl checks write permission to inode, and thus
can happen in system_server.
Also, replace the old measure ioctl with FS_IOC_SET_VERITY_MEASUREMENT.
Note that although the number is name, they work differently.
Test: set ro.apk_verity.mode=2, in-progress CTS passed without denial
Bug: 112037636
Change-Id: I3e8d14321df8904dfed68b83aae8b3dd99c211ac
This includes the SELinux policy changes to allow for
kcov access in userdebug builds for coverage-guided
kernel fuzzing.
Bug: 117990869
Test: Ran syzkaller with Android untrusted_app sandbox with coverage.
Change-Id: I1fcaad447c7cdc2a3360383b5dcd76e8a0f93f09
apexd is using following additional ioctl cmds to mount the mini
filesystem inside APEXs:
LOOP_SET_STATUS64
LOOP_SET_FD
LOOP_SET_BLOCK_SIZE
LOOP_SET_DIRECT_IO
LOOP_CLR_FD
Test: m; m apex.test; adb push <the_built_apex> /data/apex; adb reboot
/apex/com.android.example.apex exists
Change-Id: I68388cc4f323e4fcff370c8cdc0958cbd827e9cc
Sort file by ioctl name. This will make it hopefully easier to find
entries.
Alternatives considered: sorting file by ioctl value. This has the
advantage that it's easier to map an SELinux ioctlcmd= avc message into
a variable name, but would otherwise make this file harder to read.
Test: policy compiles.
Change-Id: I09b1dd4c055446f73185b90c4de5f3cdd98eb4b7
Divide policy into public and private components. This is the first
step in splitting the policy creation for platform and non-platform
policies. The policy in the public directory will be exported for use
in non-platform policy creation. Backwards compatibility with it will
be achieved by converting the exported policy into attribute-based
policy when included as part of the non-platform policy and a mapping
file will be maintained to be included with the platform policy that
maps exported attributes of previous versions to the current platform
version.
Eventually we would like to create a clear interface between the
platform and non-platform device components so that the exported policy,
and the need for attributes is minimal. For now, almost all types and
avrules are left in public.
Test: Tested by building policy and running on device.
Change-Id: Idef796c9ec169259787c3f9d8f423edf4ce27f8c
