Needed since Iff1e601e1268d4d77f64788d733789a2d2cd18cc removed it
from appdomain.

Change-Id: I9fc08b525b9868f0fb703b99b0c0c17ca8b656f9
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

This was rendered obsolete when SELinuxDomainTest was ported
to SELinuxHostTest and only makes sense if allowing search
to domain:dir and { open read } to domain:file in order to
open the /proc/pid/attr/current files in the first place.
SELinux applies a further :process getattr check when
reading any of the /proc/pid/attr/* files for any process
other than self, which is no longer needed by app domains to
pass CTS.

Change-Id: Iff1e601e1268d4d77f64788d733789a2d2cd18cc
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

Executing /system/xbin/su is only supported on userdebug builds
for a limited number of domains. On user builds, it should never
occur.

Add a compile time assertion (neverallow rule) that this is
always true.

Bug: 19647373
Change-Id: I231a438948ea2d47c1951207e117e0fb2728c532

Assigning mlstrustedsubject to untrusted_app would undermine
the per-user isolation model being enforced via levelFrom=user
in seapp_contexts and the mls constraints.  There is no direct
way to specify a neverallow on attribute assignment, but this
makes use of a particular property of the fork permission to
prevent ever adding mlstrustedsubject to untrusted_app.

A similar restriction for app_data_file and mlstrustedobject
is also important for the same reason, but cannot be expressed
as a neverallow.

Change-Id: I5170cadc55cc614aef0cd5f6491de8f69a4fa2a0
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

There were a few instances where allow rules were appended
after the neverallow rules stanza in the .te file.  Also
there were some regular allow rules inserted into the CTS-specific
rules section of app.te.  Just move the rules as appropriate.
Should be no change in policy.

Change-Id: Iec76f32d4b531d245bbf5dd9f621a71ff5c71f3e
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

Add an attribute command to sepolicy-analyze for displaying the list
of types associated with an attribute in a policy.  This is for use
by CTS to check what domains and types are associated with certain
attributes such as mlstrustedsubject and mlstrustedobject.

Change-Id: Ie19361c02feb1ad14ce36862c6aace9e66c422bb
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

Failed to include base_rules.mk, so this target was not being built.

Change-Id: I2414fa6c3e3e37c74f63c205e3694d1a811c956e
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

Generate general forms of the remaining *_contexts files with only the
device-independent entries for use in CTS testing.

Change-Id: I2bf0e41db8a73c26754cedd92cbc3783ff03d6b5
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

Periodically, SELinux denials of the form:

  type=1400 audit(0.0:8574): avc: denied { setsched } for comm="system_server" scontext=u:r:system_server:s0 tcontext=u:r:kernel:s0 tclass=process permissive=0

are being generated. These denials come from system_server and other
processes. There's no reason why system_server should be calling
sched_setscheduler() on a kernel thread.

Current belief is that these SELinux denials are a bug in the kernel,
and are being inappropriately triggered.

Revert 2d1650f4. The original reason
for accepting this change was to see if it would fix bug 18085992.
Unfortunately, even after the commit, the bug was still present.
The change had no impact on the bug.

Don't inappropriately grant system_server the ability to minipulate
the scheduling priority of kernel threads.

This reverts commit 2d1650f4.

Change-Id: I59bdf26ad247a02b741af2fa58a18e7e83ef44d8

Generate a general_seapp_contexts file with only the
device-independent entries, similar to general_sepolicy.conf.
This is for use by CTS tests to compare with the prefix of
device seapp_contexts.

Change-Id: If8d1456afff5347adff7157411c6a160484e0b39
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

Instead of displaying the boolean count, display a list of booleans
defined in the policy, if any.  This makes sepolicy-analyze booleans
consistent with sepolicy-analyze permissive and allows automated tests
to simply check whether there was any output at all.

Change-Id: I221b60d94e6e7f6d80399bf0833887af3747fe83
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

- allow access for /data/system/packages.xml.
- deprecate access to /dev/logd_debug (can use /dev/kmsg for debugging)
- allow access to /dev/socket/logd for 'logd --reinit'

Bug: 19681572
Change-Id: Iac57fff1aabc3b061ad2cc27969017797f8bef54

Implement the booleans test in sepolicy-analyze so
that we can move the no-booleans check from the
SELinuxTest to the SELinuxHostTest along with the
other policy checks.

Change-Id: I95d7ad34da10c354470f43734d34a6ec631a7b4e
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

With the exception of the factory reset protection block device,
don't allow system_server to read or write to any other block
devices. This helps protect against a system->root escalation
when system_server has the ability to directly minipulate raw
block devices / partitions / partition tables.

This change adds a neverallow rule, which is a compile time
assertion that no SELinux policy is written which allows this
access. No new rules are added or removed.

Change-Id: I388408423097ef7cf4950197b79d4be9d666362c

system_server no longer writes to /proc/pid/oom_adj_score. This is
handled exclusively by lmkd now.

See the following commits:

Kernel 3.18:
* https://android-review.googlesource.com/139083
* https://android-review.googlesource.com/139082

Kernel 3.14:
* https://android-review.googlesource.com/139081
* https://android-review.googlesource.com/139080

Kernel 3.10:
* https://android-review.googlesource.com/139071
* https://android-review.googlesource.com/139671

Kernel 3.4:
* https://android-review.googlesource.com/139061
* https://android-review.googlesource.com/139060

Bug: 19636629
Change-Id: Ib79081365bcce4aa1190de037861a87b55c15db9

* commit '8f81dcad':
  Only allow system_server to send commands to zygote.

Add neverallow rules to ensure that zygote commands are only taken from
system_server.

Also remove the zygote policy class which was removed as an object manager in
commit: ccb3424639821b5ef85264bc5836451590e8ade7

Bug: 19624279

Change-Id: I1c925d7facf19b3953b5deb85d992415344c4c9f

* commit '0560e75e':
  system_server: allow handling app generated unix_stream_sockets

Allow system server to handle already open app unix_stream_sockets.
This is needed to support system_server receiving a socket
created using socketpair(AF_UNIX, SOCK_STREAM) and
socketpair(AF_UNIX, SOCK_SEQPACKET). Needed for future Android
functionality.

Addresses the following denial:

  type=1400 audit(0.0:9): avc: denied { read write } for path="socket:[14911]" dev="sockfs" ino=14911 scontext=u:r:system_server:s0 tcontext=u:r:platform_app:s0:c512,c768 tclass=unix_stream_socket permissive=0

Bug: 19648474
Change-Id: I4644e318aa74ada4d98b7f49a41d13a9b9584f39

* commit '0d0d5aa9':
  installd: drop noatsecure for dex2oat

Ensure that AT_SECURE=1 is set when installd executes dex2oat.

LD_PRELOAD is no longer set by init, and installd couldn't see
LD_PRELOAD anyway due to https://android-review.googlesource.com/129971 .
Drop it.

Continuation of commit b00a0379

Change-Id: Icaf08768b3354c6a99dd0f77fef547a706cc96e9

* commit 'bb3cef44':
  Record observed bluetooth service access.

Bug: 18106000
Change-Id: I80b574f73d53439dd710ccdb8f05cc2f9e9a10b4

* commit '1aafc4c7':
  allow untrusted_app read /data/anr/traces.txt

The GMS core feedback agent runs as untrusted_app, and needs
the ability to read /data/anr/traces.txt to report ANR information.

Allow all untrusted_apps to read /data/anr/traces.txt so that GMS core
can access it.

Longer term, we need to move GMS core into it's own domain, but that's
a longer term change.

Addresses the following denial:

W/ndroid.feedback(17825): type=1400 audit(0.0:68004): avc: denied { read } for name="traces.txt" dev="mmcblk0p28" ino=325762 scontext=u:r:untrusted_app:s0 tcontext=u:object_r:anr_data_file:s0 tclass=file

(cherrypick from commit e2547c3b)

Bug: 18504118
Bug: 18340553
Change-Id: I8b472b6ab7dfe2a73154033e0a088b8e26396fa8

Change-Id: I3b402e3a0f55b236c48dc9f4be1973cbfc0af8a4

Change-Id: I5ae9606023ef7f3489f44e6657766e922160c470

* commit 'ee66ba8c':
  update isolated_app service_manager rules

* commit 'b76966d6':
  recovery: remove auditallow for exec_type:dir writes

With the move to block based OTAs, we're never going to fix
this bug. Remove the auditallow statement to avoid SELinux log
spam.

Bug: 15575013
Change-Id: I7864e87202b1b70020a8bdf3ef327a2cf4b6bfbd

* commit '92b10ddb':
  Eliminate CAP_SYS_MODULE from system_server

Right now, the system_server has the CAP_SYS_MODULE capability.  This allows the
system server to install kernel modules.  Effectively, system_server is one
kernel module load away from full root access.

Most devices don't need this capability. Remove this capability from
the core SELinux policy. For devices which require this capability,
they can add it to their device-specific SELinux policy without making
any framework code changes.

In particular, most Nexus devices ship with monolithic kernels, so this
capability isn't needed on those devices.

Bug: 7118228
Change-Id: I7f96cc61da8b2476f45ba9570762145778d68cb3

isolated apps should only be able to access 2 services.
Remove access permissions for services inappropriately added,
and add a neverallow rule to prevent regressions.

Change-Id: I2783465c4a22507849b2a64894fb76690a27bc01

* commit '723e31ef':
  Allow init to set up dm-verity