Test: No change to SELinux policy
Change-Id: I45d6d6ab0538b9d4768b922cfdc2c972272d0b18

As of https://android-review.googlesource.com/324092, ephemeral_app is
now an appdomain, so places where both appdomain and ephemeral_app are
granted the same set of rules can be deleted.

Test: policy compiles.
Change-Id: Ideee710ea47af7303e5eb3af1331653afa698415

wificond is a system_server service used by wifi, wifi doesnt start now

This reverts commit b68a0149.

Change-Id: If958c852e5d8adf8e8d82346554d2d6b3e8306c9

/sys/class/leds is the standard location for linux files dealing with
leds, however the exact contents of this directory is non-standard
(hence the need for a hal).

Bug: 32022100
Test: compiles and works for the subset of common files
Change-Id: I7571d7267d5ed531c4cf95599d5f2acc22287ef4

wificond_service is not a system_server service, so drop the
typeattribute.

Test: compile
Change-Id: Ic212dd2c8bc897fbdc13ca33a9864ac8d4e68732
Signed-off-by: William Roberts <william.c.roberts@intel.com>

This fixes a bug introduced in the HIDL port where fingerprint no
longer notifies keystore of authentications.

Test: keyguard, FingerprintDialog

Fixes bug 34200870

Change-Id: I8b1aef9469ff4f4218573a6cde4c3a151512c226

Ephemeral apps cannot open files from external storage, but can be given
access to files via the file picker.

Test: ACTION_OPEN_DOCUMENTS from an ephemeral app returns a readable fd.
Change-Id: Ie21b64a9633eff258be254b9cd86f282db1509e8

Ephemeral apps are still apps with very similar capabilities, it makes
more sense to have them under appdomain and benefit from the shared
state (and all the neverallow rules) than to try and dupplicate them and
keep them in sync.

This is an initial move, there are parts of ephemeral_app that still
need to be locked down further and some parts of appdomain that should
be pushed down into the various app domains.

Test: Builds, ephemeral apps work without denials.
Change-Id: I1526b2c2aa783a91fbf6543ac7f6d0d9906d70af

Bug: http://b/30705528
Bug: http://b/34450704
Test: mma
Change-Id: I315a52411232b6ff38d014a2e0fadb0bcfbc1f3f

After checking the auditallow logs for the rule being monitored, it's
clear that the rule is not in use and can be removed. All unused rules
should be removed, as they present needless additional attack vectors.

Test: The device boots.
Change-Id: Ie9e060c4d134212e01309a536ac052851e408320

There were some auditallow rules left around in rild.te that had logs
showing nothing was triggering them. Thus the rules they were auditing
could be removed, as that's clear indication there's no use for them.
Having rules around that aren't being used does nothing except increase
attack surface and bloat sepolicy, and so should always be removed if
possible.

Test: The device boots
Change-Id: I906ffc493807fbae90593548d478643cda4864eb

Revise policy, to allow init and system_server to configure,
clear, and read kernel trace events. This will enable us to
debug certain WiFi failures.

Note that system_server is restricted to only accessing
a wifi-specific trace instance. (Hence, system_server is
not allowed to interfere with atrace.) Moreover, even for
the wifi trace instance, system_server is granted limited
permissions. (system_server can not, e.g., change which
events are traced.)

Note also that init and system_server are only granted these
powers on userdebug or eng builds.

The init.te and system_server.te changes resolve the
following denials:

// Denials when wifi-events.rc configures tracing
{ write } for pid=1 comm="init" name="instances" dev="debugfs" ino=755 scontext=u:r:init:s0 tcontext=u:object_r:debugfs_tracing_instances:s0 tclass=dir permissive=1
{ add_name } for pid=1 comm="init" name="wifi" scontext=u:r:init:s0 tcontext=u:object_r:debugfs_tracing_instances:s0 tclass=dir permissive=1
{ create } for pid=1 comm="init" name="wifi" scontext=u:r:init:s0 tcontext=u:object_r:debugfs_tracing_instances:s0 tclass=dir permissive=1
{ write } for pid=1 comm="init" name="tracing_on" dev="debugfs" ino=18067 scontext=u:r:init:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1
{ write } for pid=1 comm="init" name="buffer_size_kb" dev="debugfs" ino=18061 scontext=u:r:init:s0 tcontext=u:object_r:debugfs_tracing_instances:s0 tclass=file permissive=1

// Denials when system_server sets up fail-safe
// (auto-terminate tracing if system_server dies)
{ search } for pid=882 comm="system_server" name="instances" dev="debugfs" ino=755 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_tracing_instances:s0 tclass=dir permissive=1
{ read } for pid=882 comm="system_server" name="free_buffer" dev="debugfs" ino=18063 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1
{ open } for pid=882 comm="system_server" path="/sys/kernel/debug/tracing/instances/wifi/free_buffer" dev="debugfs" ino=18063 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1
{ getattr } for pid=882 comm="system_server" path="/sys/kernel/debug/tracing/instances/wifi/free_buffer" dev="debugfs" ino=18063 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1

// Denials when system_server toggles tracing on or off
// (WifiStateMachine is a thread in system_server)
{ search } for pid=989 comm="WifiStateMachin" name="instances" dev="debugfs" ino=755 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_tracing_instances:s0 tclass=dir permissive=1
{ write } for pid=989 comm="WifiStateMachin" name="tracing_on" dev="debugfs" ino=18067 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1
{ open } for pid=989 comm="WifiStateMachin" path="/sys/kernel/debug/tracing/instances/wifi/tracing_on" dev="debugfs" ino=18067 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1
{ getattr } for pid=989 comm="WifiStateMachin" path="/sys/kernel/debug/tracing/instances/wifi/tracing_on" dev="debugfs" ino=18067 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1
{ write } for pid=989 comm="WifiStateMachin" name="tracing_on" dev="debugfs" ino=18067 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1
{ open } for pid=989 comm="WifiStateMachin" path="/sys/kernel/debug/tracing/instances/wifi/tracing_on" dev="debugfs" ino=18067 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1
{ getattr } for pid=989 comm="WifiStateMachin" path="/sys/kernel/debug/tracing/instances/wifi/tracing_on" dev="debugfs" ino=18067 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1

// Denials when system_server reads the event trace
// (This happens in response to a dumpsys request)
{ search } for pid=3537 comm="Binder:882_B" name="instances" dev="debugfs" ino=755 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_tracing_instances:s0 tclass=dir permissive=1
{ read } for pid=3537 comm="Binder:882_B" name="trace" dev="debugfs" ino=18059 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1
{ open } for pid=3537 comm="Binder:882_B" path="/sys/kernel/debug/tracing/instances/wifi/trace" dev="debugfs" ino=18059 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1
{ getattr } for pid=3537 comm="Binder:882_B" path="/sys/kernel/debug/tracing/instances/wifi/trace" dev="debugfs" ino=18059 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1
{ write } for pid=3537 comm="Binder:882_B" name="trace" dev="debugfs" ino=18059 scontext=u:r:system_server:s0 tcontext=u:object_r:debugfs_wifi_tracing:s0 tclass=file permissive=1

Bug: 27254565
Test: manual
Manual test:
- Build this CL along with CL:322337
- Verify that system boots, and that we can connect to GoogleGuest.
  (Testing of actual trace functionality with require some more
  patches in frameworks/opt/net/wifi.)
$ adb root && adb shell dmesg | egrep 'avc: denied.+debugfs'

Change-Id: Ib6eb4116549277f85bd510d25fb30200f1752f4d

Replace the global debuggerd with a per-process debugging helper that
gets exec'ed by the process that crashed.

Bug: http://b/30705528
Test: crasher/crasher64, `debuggerd <pid>`, `kill -ABRT <pid>`
Change-Id: Iad1b7478f7a4e2690720db4b066417d8b66834ed

- Allow cameraservice to talk to hwbinder, hwservicemanager
- Allow hal_camera to talk to the same interfaces as cameraservice

Test: Compiles, confirmed that cameraservice can call hwservicemanager
Bug: 32991422
Change-Id: Ied0a3f5f7149e29c468a13887510c78d555dcb2a

New procfs file read by storaged to dump fg/bg IO usage.

Remove kmsg rule since it's no longer used by storaged.

Allow storaged to find permission_service to translate UID
to package name.

Test: adb shell storaged -u
Bug: 34198239
Change-Id: I74654662c75571cbe166cf2b8cbab84828218cbd

All hals need to use hwbinder.

Test: no additional denials
Bug: 34180936
Change-Id: Ie92cdbd79fc75062c4afa4cda53cb57ccde7e370

Previously we published appfuse mount points to apps and apps open
appfuse file by themselves. We changed the design and we don't allow
apps to access appfuse mount point. Instead system server opens a file
on appfuse mount points and passes FD to apps.

The change updates apps and system server policies to adopt new design.

Bug: 29970149
Test: None
Change-Id: I0b35fee9816f61565705eecb88a472754ccffdca

New procfs file written by the system_server to communicate fg/bg
state of UIDs to switch the statistics counter sets used.

avc: denied { write } for name="set" dev="proc" ino=4026531862 scontext=u:r:system_server:s0 tcontext=u:object_r:proc:s0 tclass=file permissive=1

Test: builds, boots, counter sets updated
Bug: 34360629
Change-Id: I2efbfbba9e73f50ce50a80a3dffd3b14fa55c048

This improves readability and consistency for HAL implementation
domains which have only one implementation.

Test: No change to policy according to sesearch
Test: No change to which types are associated with haldomain according to "sepolicy-analyze <sepolicy file> attribute haldomain"
Bug: 34180936
Change-Id: Ice599ea4971cdfbd8b835b1fd02ad1e14c7a0386

This marks all HAL domain implementations with the haldomain attribute
so that rules can be written which apply to all HAL implementations.

This follows the pattern used for appdomain, netdomain and
bluetoothdomain.

Test: No change to policy according to sesearch.
Bug: 34180936
Change-Id: I0cfe599b0d49feed36538503c226dfce41eb65f6

This is to ensure that hal_audio can access memory shared by
audioserver.

Bug: 34261005
Change-Id: I84103b0d4692fd10afc56846fb116fec6a7b3dc7

Move from fingerprintd to new fingerprint_hal and update SeLinux policy.

Test: Boot with no errors related to fingerprint sepolicy
Bug: 33199080
Change-Id: Idfde0cb0530e75e705033042f64f3040f6df22d6

The following are the avc denials that are addressed:

avc: denied { call } for pid=889 comm="system_server"
scontext=u:r:system_server:s0 tcontext=u:r:hal_gnss_default:s0
tclass=binder permissive=0

avc: denied { call } for scontext=u:r:hal_gnss_default:s0
tcontext=u:r:system_server:s0 tclass=binder permissive=0

avc: denied { read } for name="hw" dev="mmcblk0p43" ino=1837
scontext=u:r:hal_gnss_default:s0 tcontext=u:object_r:system_file:s0
tclass=dir permissive=0

avc: denied { open } for path="/system/lib64/hw" dev="mmcblk0p43"
ino=1837 scontext=u:r:hal_gnss_default:s0
tcontext=u:object_r:system_file:s0 tclass=dir permissive=0

Bug:31974439

Test: Checked that there no more related avc denial messages related to
the GNSS HAL in dmesg.

Change-Id: I5b43dc088017a5568dd8e442726d2bf52e95b1d5

It seems likely that there is no reason to keep around a number of
devices that are configured to be included into the pixel kernels. Init
and ueventd should be the only processes with r/w access to these
devices, so auditallow rules have been added to ensure that they aren't
actually used.

/dev/keychord was given its own type since it's one of the few character
devices that's actually legitimately used and would cause log spam in
the auditallow otherwise.

Bug: 33347297
Test: The phone boots without any apparent log spam.

Change-Id: I3dd9557df8a9218b8c802e33ff549d15849216fb

Test: run a gtest in /data/nativetest/ with no permission denial
Change-Id: Id644ed7dbea59becaf84b6073c9144711ad07c10

Bug: 34231014
Test: Boot angler to ensure no additional denials are reported.

Change-Id: Ic2372d55f7072c65e7ea17036a8eb40dc531d60e
Signed-off-by: Sandeep Patil <sspatil@google.com>

Bug: http://b/34228376
Test: m
Change-Id: I1321ada1521bb3e3fd08105f1a41d519ee486683

Test: builds
Bug: 32206268
Change-Id: I236105b029178f96da519c2295c66c686dcae7cb

Bug: 31972505
Test: VTS test passes, Bluetooth starts/stops
Change-Id: Ic068c9fca7c50e63c5b6e3d86a2ee6cc53207e08

Bug: 30222631
Change-Id: I30ad019872881e21f61a53e4397112ea0e99688b

This leaves only the existence of ephemeral_app domain as public API.
All other rules are implementation details of this domain's policy and
are thus now private. There are a few rules, defined by other domains'
files remaining in the public policy until the rules from these
domains also move to the private policy:

allow ephemeral_app_current appdomain:binder transfer;
allow ephemeral_app_current audioserver_current:binder transfer;
allow ephemeral_app_current drmserver_current:binder transfer;
allow ephemeral_app_current dumpstate_current:binder transfer;
allow ephemeral_app_current mediaserver_current:binder transfer;
allow ephemeral_app_current surfaceflinger_current:binder transfer;
allow ephemeral_app_current system_server_current:binder transfer;

Test: No change to policy according to sesearch, except for
      disappearance of all allow rules from platform_app_current
      attribute (as expected).
Bug: 31364497

Change-Id: I98687181434a98a141469ef676c461fcd1db2d4e

This leaves only the existence of platform_app domain as public API.
All other rules are implementation details of this domain's policy and
are thus now private.

Test: No change to policy according to sesearch, except for
      disappearance of all allow rules from platform_app_current
      attribute (as expected).
Bug: 31364497

Change-Id: I47bb59fdfc07878c91fd5e207735cd0c07a128da

No relevant collected denials.

Test: device boots and no obvious problems.
Test: no collected denials.
Bug: 28760354
Change-Id: Idcf939b3cbdb1dec835d59150181047d062e6c48

Allow storaged to read /proc/[pid]/io
Grant binder access to storaged
Add storaged service
Grant storaged_exec access to dumpstate
Grant storaged binder_call to dumpstate

Bug: 32221677

Change-Id: Iecc9dba266c5566817a99ac6251eb943a0bac630

Allowing storaged for reading from pseudo filesystems and debugfs.

Bug: 32221677

Change-Id: I837cead9a68f0b399703b64d724cb9c4b205c335

No denials collected.

Bug: 28760354
Test: no denials collected.
Test: device boots and no obvious problems
Change-Id: I7fc053ecae2db3bb2ca7c298634453e930713bec

No audits have been recorded for these rules. Remove them.

Originally added for backwards compatibility in
549ccf77 as part of the split
between cache_file and cache_recovery_file.

Bug: 25351711
Test: No audit records recorded
Change-Id: I5133028b5fcc99a731aabea90305171dee0edf47

Don't allow processes to list out the contents of the directory
/dev/__properties__. This is an implementation specific detail that
shouldn't be visible to processes.

Test: Device boots and no problems reading individual properties.
Test: ls -la /dev/__properties__ fails
Change-Id: I4df6a829b0d22e30fb2c38030c690fc4a356f6a3

This leaves only the existence of system_app domain as public API.
All other rules are implementation details of this domain's policy and
are thus now private.

Test: No change to policy according to sesearch, except for
      disappearance of all allow rules from system_app_current
      attribute (as expected).
Bug: 31364497

Change-Id: Ifc7d350ed9749a32b0c38a78ac5f41c819dbdb96

This leaves only the existence of isolated_app domain as public API.
All other rules are implementation details of this domain's policy and
are thus now private.

Test: No change to policy according to sesearch, except for
      disappearance of all allow rules from isolated_app_current
      attribute (as expected).
Bug: 31364497

Change-Id: I499a648e515628932b7bcd188ecbfbe4a247f2f3