Marshmallow initial kernel bringup. This commit adds sepolicy versions 29 and 30 required by mm. #1
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Oct 27, 2015
Update the policy version (POLICYDB_VERSION_CONSTRAINT_NAMES) to allow
holding of policy source info for constraints.
Upstream commit a660bec1d84ad19a39e380af129e207b3b8f609e
Bug: 20350607
Signed-off-by: Richard Haines <richard_c_haines@btinternet.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <pmoore@redhat.com>
Change-Id: If419c7bfdea2f7006c9a62ea595f0cbfe5c78871
note that this patch depends on a prior patch that is already in
android-3.4 but has not apparently found its way into the msm 3.4
branches (but is included in exynos and tegra),
https://android-review.googlesource.com/#/c/92962/
Extend the generic ioctl permission check with support for per-command
filtering. Source/target/class sets including the ioctl permission may
additionally include a set of commands. Example:
allow <source> <target>:<class> { 0x8910-0x8926 0x892A-0x8935 }
auditallow <source> <target>:<class> 0x892A
When ioctl commands are omitted only the permissions are checked. This
feature is intended to provide finer granularity for the ioctl
permission which may be too imprecise in some circumstances. For
example, the same driver may use ioctls to provide important and
benign functionality such as driver version or socket type as well as
dangerous capabilities such as debugging features, read/write/execute
to physical memory or access to sensitive data. Per-command filtering
provides a mechanism to reduce the attack surface of the kernel, and
limit applications to the subset of commands required.
The format of the policy binary has been modified to include ioctl
commands, and the policy version number has been incremented to
POLICYDB_VERSION_IOCTL_OPERATIONS=30 to account for the format change.
Bug: 20350607
Bug: 18087110
Change-Id: Ibf0e36728f6f3f0d5af56ccdeddee40800af689d
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
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Thanks! :) |
C-Aniruddh
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Oct 31, 2015
Marshmallow initial kernel bringup. This commit adds sepolicy versions 29 and 30 required by mm.
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