Bug: 37916906
Test: Builds 'n' boots.
Change-Id: Ia1d86264446ebecc1ca79f32f11354921bc77668
Merged-In: I208ec6a864127a059fb389417a9c6b259d7474cb

Bug: 37916906
Test: Builds 'n' boots.
Change-Id: Ia1d86264446ebecc1ca79f32f11354921bc77668
Merged-In: I208ec6a864127a059fb389417a9c6b259d7474cb

proc files needed by fwk that were labeled:
/proc/filesystems -> proc_filesystems
/proc/mounts -> proc_mounts
/proc/swaps -> proc_mounts

Removed access to proc label from these domains:
e2fs, fsck, fsck_untrusted, sdcardd

e2fs: added access to proc_filesystems, proc_mounts, proc_swaps
fsck: added access to proc_mounts, proc_swaps
fsck_untrusted: added access to proc_mounts
sdcardd: added access to proc_filesystems
vold: added access to proc_filesystems, proc_mounts

Bug: 66199084
Test: device boots without selinux denials to new labels or proc label.
Change-Id: If0f19e22074419dab0b3a0c6f3a300ea8cb94523

This attribute is being actively removed from policy. Since
attributes are not being versioned, partners must not be able to
access and use this attribute. Move it from private and verify in
the logs that rild and tee are not using these permissions.

Bug: 38316109
Test: build and boot Marlin
Test: Verify that rild and tee are not being granted any of these
      permissions.
Merged-In: I31beeb5bdf3885195310b086c1af3432dc6a349b
Change-Id: I31beeb5bdf3885195310b086c1af3432dc6a349b
(cherry picked from commit 76aab82c)

This attribute is being actively removed from policy. Since
attributes are not being versioned, partners must not be able to
access and use this attribute. Move it from private and verify in
the logs that rild and tee are not using these permissions.

Bug: 38316109
Test: build and boot Marlin
Test: Verify that rild and tee are not being granted any of these
      permissions.
Change-Id: I31beeb5bdf3885195310b086c1af3432dc6a349b

To determine if it is safe to run fsck on a filesystem, e2fsck
must first determine if the filesystem is mounted. To do that,
e2fsck scans through /proc/mounts and collects all the mounted
block devices. With that information, it runs stat() on each block
device, comparing the major and minor numbers to the filesystem
passed in on the command line. If there is a match, then the filesystem
is currently mounted and running fsck is dangerous.
Allow stat access to all block devices so that fsck can compare
major/minor values.

Addresses the following denials:

avc: denied { getattr } for comm="e2fsck" path="/dev/block/sde5"
dev="tmpfs" ino=15649 scontext=u:r:fsck:s0
tcontext=u:object_r:metadata_block_device:s0 tclass=blk_file
permissive=0

avc: denied { getattr } for comm="e2fsck" path="/dev/block/sda25"
dev="tmpfs" ino=15528 scontext=u:r:fsck:s0
tcontext=u:object_r:modem_block_device:s0 tclass=blk_file permissive=0

avc: denied { getattr } for comm="e2fsck" path="/dev/block/sda31"
dev="tmpfs" ino=15552 scontext=u:r:fsck:s0
tcontext=u:object_r:system_block_device:s0 tclass=blk_file permissive=0

avc: denied { getattr } for comm="e2fsck" path="/dev/block/sdd3"
dev="tmpfs" ino=15600 scontext=u:r:fsck:s0
tcontext=u:object_r:block_device:s0 tclass=blk_file permissive=0

Bug: 35324014
Bug: 33781554
Test: device boots and no SELinux denials.
Change-Id: I5af4a334ec41952887914eec4eee5c60cc441a66

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

Grant permissions observed.

Bug: 28760354
Change-Id: Ie63cda709319bbf635ef7bffbba3477c2cccc11b

This reverts commit 9c820a11.

Bug: 31364540
Change-Id: I98a34bd32dd835e6795d31a90f16f4ccd691e6e5

Grant permissions observed.

(cherry picked from commit 9c820a11)

Merged-in: Ifdead51f873eb587556309c48fb84ff1542ae303
Bug: 28760354
Change-Id: Ifdead51f873eb587556309c48fb84ff1542ae303

Grant permissions observed.

Bug: 28760354
Change-Id: Ifdead51f873eb587556309c48fb84ff1542ae303

Modify many "neverallow domain" rules to be "neverallow *" rules
instead. This will catch more SELinux policy bugs where a label
is assigned an irrelevant rule, as well as catch situations where
a domain attribute is not assigned to a process.

Change-Id: I5b83a2504c13b384f9dff616a70ca733b648ccdf

This reverts commit 0c7bc58e.

bug: 26807309

Change-Id: I8a7b0e56a0d6f723508d0fddceffdff76eb0459a

Remove from blkid, blkid_untrusted, fsck, fsck_untrusted, sdcardd and
sgdisk.

Tested by adding external sdcard with and without
"adb shell sm set-force-adoptable true" command.

Address the following denials:
avc: denied { read } for name="swaps" dev="proc" ino=4026536590 scontext=u:r:fsck:s0 tcontext=u:object_r:proc:s0 tclass=file
avc: denied { open } for path="/proc/swaps" dev="proc" ino=4026536590 scontext=u:r:fsck:s0 tcontext=u:object_r:proc:s0 tclass=file
avc: denied { getattr } for path="/proc/swaps" dev="proc" ino=4026536590 scontext=u:r:fsck:s0 tcontext=u:object_r:proc:s0 tclass=file
avc: denied { read } for name="filesystems" dev="proc" ino=4026536591 scontext=u:r:blkid:s0 tcontext=u:object_r:proc:s0 tclass=file
avc: denied { open } for path="/proc/filesystems" dev="proc" ino=4026536591 scontext=u:r:blkid:s0 tcontext=u:object_r:proc:s0 tclass=file
avc: denied { getattr } for path="/proc/filesystems" dev="proc" ino=4026536591 scontext=u:r:blkid:s0 tcontext=u:object_r:proc:s0 tclass=file

Change-Id: I097e2ba5205e43f8ee613dae063f773a35ce3d73

Motivation: Domain is overly permissive. Start removing permissions
from domain and assign them to the domain_deprecated attribute.
Domain_deprecated and domain can initially be assigned to all
domains. The goal is to not assign domain_deprecated to new domains
and to start removing domain_deprecated where it is not required or
reassigning the appropriate permissions to the inheriting domain
when necessary.

Bug: 25433265
Change-Id: I8b11cb137df7bdd382629c98d916a73fe276413c

vold works with two broad classes of block devices: untrusted devices
that come in from the wild, and trusted devices.

When running blkid and fsck, we pick which SELinux execution domain
to use based on which class the device belongs to.

Bug: 19993667
Change-Id: I44f5bac5dd94f0f76f3e4ef50ddbde5a32bd17a5