std::vector with custom zeroing allocator is used instead of
std::string for data that can contain encryption keys.
Bug: 64201177
Test: manually created a managed profile, changed it's credentials
Test: manually upgraded a phone with profile from O to MR1.
Change-Id: Ic31877049f69eba9f8ea64fd99acaaca5a01d3dd
- Various sleep(5) for vold shutdown can increase shutdown time a lot.
- If it is shutting down, do not sleep at all. init will take care of
active partitions if not unmounted.
bug: 64143519
Test: reboot and check logs from vold, check if "ShutdownThread: Shutdown wait timed out" happens.
Change-Id: I7cb91427ad2205fe23a054d255caf7ffdfd9f6c3
Offer to adopt storage devices on FBE devices, but keep it guarded
behind a system property for now, since we still need to work out key
storage details.
When migrating shared storage, leave user-specific /data/media
directories in place, since they already have the needed crypto
policies defined.
Enable journaling, quotas, and encrypt options when formatting
newly adopted devices. installd already gracefully handles older
partitions without quota enabled.
Test: cts-tradefed run commandAndExit cts-dev --abi armeabi-v7a -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.AdoptableHostTest
Bug: 62290006, 36757864, 29117062, 37395736
Bug: 29923055, 25861755, 30230655, 37436961
Change-Id: Ibbeb6ec9db2394a279bbac221a2b20711d65494e
We have android::base::WaitForProperty() that uses futexes to
efficiently wait for property value changes, so use that instead
polling.
Test: Boot bullhead
Change-Id: Id964eddbdbfd9b5ceac5ed83a8ed66b9e60008ca
Select whichever is real dir instead of symbolic link from either /data/data
or /data/user/0. This is to minimize path walking overhead in kernel.
This works together with Change 369787
Test: Manual test
Change-Id: I338518673fc22ccbfed6ddd6be196931fce18525
Signed-off-by: cjbao <cathy.bao@intel.com>
Otherwise we potentially waste minutes of the users time copying
data that will never fit.
Also fix bug around storage calculation. It's confusing, but f_bsize
is not the value you're looking for; the real block size is f_frsize.
Test: builds, boots
Bug: 27590986, 36840579
Change-Id: I77c63e259356824cc75a3adcf3f4af567efdc7aa
Start with clang-analyzer-security* and cert-*, but disable two
specific errors:
-- cert-err34-c, which checks for atoi(); heavily triggered by
CommandListener, but will disappear when we move to Binder.
-- cert-err58-cpp, which checks for exceptions before main(); it's
a "Low" severity issue, and filed 36656327 to track cleanup.
Fix all other triggered errors along the way.
Test: builds, boots
Bug: 36655947
Change-Id: I1391693fb521ed39700e25ab6b16bc741293bb79
Also remove some unnecessary SELinux logic when creating image files
for loop devices.
Test: builds, boots, common operations work
Bug: 34903607
Change-Id: I68dfa022ecc39f56c175e786694e0de35b954ca0
The original default /fstab.{ro.hardware} might be moved to /vendor/etc/.
or /odm/etc/. Use the new API to get the default fstab instead of using
the hard-coded /fstab.{ro.hardware}.
Bug: 35811655
Test: boot marlin with /vendor/etc/fstab.marlin
Change-Id: I92d6aefe6ff3433b7d1a671358d990bb7b1f2150
We simplified the way we track whether or not a dex file is used by
other apps. DexManger in the framework keeps track of the data and we
no longer need file markers on disk.
Test: device boots, foreign dex markers are not created anymore
Bug: 32871170
Change-Id: Id0360205b019be92049f36eab4339f4736e974f4
* Use const reference type for for-loop index variables
to avoid unnecessary copy.
Bug: 30413223
Change-Id: Id4d980ae8afec1374fc3be0b23f1c6a39bff86e0
Test: build with WITH_TIDY=1
On FBE devices, the filenames inside credential-encrypted directories
are mangled until the key is installed. This means the initial
restorecon at boot needs to skip these directories until the keys
are installed.
This CL uses an existing facility to request that init run a
recursive restorecon over a given path, and it requests that
operation for the CE directories that would have been omitted by
the SKIPCE flag earlier during boot.
Bug: 30126557
Change-Id: I8c7abea27215075a091f615a7185a82a2f4a4a95
Preparing and destroying users currently needs to be split across
installd, system_server, and vold, since no single party has all the
required SELinux permissions.
Bug: 27896918, 25861755
Change-Id: Ieec14ccacfc7a3a5ab00df47ace7318feb900c38
Currently, vold only supports MMC (for SD cards) and SCSI (for USB
drives) devices. It does not recognize any device whose major number is
not one of those used by MMC and SCSI. Unfortunately, virtio-blk is one
such device. It is used by the new Android emulator (a.k.a. qemu2,
featuring the "ranchu" virtual board) for SD card emulation.
In order to make this virtio-blk based SD card device appear in Android
and appear as an SD card (rather than a USB drive), changes have to be
made to both vold (wherever the device major number is checked) and
ranchu's storage configuration. This CL implements former.
This is a stop-gap solution for emulator in nyc.
A longer term solution in-tune with upstream kernel is in the pipes.
Updated from aosp/master version.
BUG:27431753
Change-Id: I5014edec73be7c5b565d91542464c82cbe58992c
Signed-off-by: Yu Ning <yu.ning@intel.com>
(cherry picked from commit 5b1d1c7dfa13b4dca75213581dc8351b841b76c8)
This is a special profile folder where apps will leave profile markers
for the dex files they load and don't own. System server will read the
markers and decide if the apks should be fully compiled instead of
profile guide compiled.
Bug: 27334750
Bug: 26080105
Change-Id: Ib18f20cf78a8dbfc465610ec6ceec52699c5420a
Give callers the option of preparing CE and/or DE storage. The
framework will only prepare CE storage after the CE keys have been
unlocked for that user.
When init is calling enablecrypto, kick off the work in a thread so
that we can make other calls back into vold without causing
deadlock. Leaves blocking call intact for framework callers.
Clean up 'vdc' tool to send useful transaction numbers, and
actually watch for the matching result to come back. This fixes
race conditions when there are multiple 'vdc' callers.
Also add other system and misc directories to match spec.
Bug: 25796509
Change-Id: Ie4f853db6e387916b845d2b5fb92925d743b063d
When FBE emulation is enabled, lock/unlock the media directories that
store emulated SD card contents.
Change unlocking logic to always chmod directories back to known
state so that we can recover devices that have disabled FBE
emulation.
Bug: 26010607, 26027473
Change-Id: I6d4bff25d8ad7b948679290106f585f777f7a249
We now have separate methods for key creation/destruction and
unlocking/locking. Key unlocking can pass through an opaque token,
but it's left empty for now.
Extend user storage setup to also create system_ce and user_de
paths. Bring over some path generation logic from installd.
Use strong type checking on user arguments.
Bug: 22358539
Change-Id: I00ba15c7b10dd682640b3f082feade4fb7cbbb5d
When unmounting an emulated volume, look for apps with open files
using the final published volume path.
Without this change, we were only looking at the internal paths
used for runtime permissions, which apps never use directly. This
meant we'd always fail to unmount the volume if apps didn't respect
the EJECTING broadcast, and volume migration would end up wedged
until the device rebooted.
Bug: 24863778
Change-Id: Ibda484e66ab95744c304c344b226caa5b10b7e2e
The expression otherwise overflows for large devices.
It's fsblkcnt_t -> unsigned long, which is 32 bit on ARMv7.
Change-Id: I46c5e00558b7dbd6abd50fae4727396079044df2
Otherwise blkid can emit tags like SEC_TYPE which mess with the value
extraction code.
Bug: 23069906
Change-Id: Id2a588ff43a538747d1e44cd8218c96ebd0192c2
Refactor fstrim code to be encapsulated in unique task object, and
give it option of benchmarking when finished. Trimming now includes
both storage from fstab and adopted private volumes. Cleaner timing
stats are logged for each unique volume.
Add wakelock during ongoing async move tasks. Push disk sysfs path
to framework so it can parse any SD card registers as desired.
Bug: 21831325
Change-Id: I76577685f5cae4929c251ad314ffdaeb5eb1c8bf
Now that we're treating storage as a runtime permission, we need to
grant read/write access without killing the app. This is really
tricky, since we had been using GIDs for access control, and they're
set in stone once Zygote drops privileges.
The only thing left that can change dynamically is the filesystem
itself, so let's do that. This means changing the FUSE daemon to
present itself as three different views:
/mnt/runtime_default/foo - view for apps with no access
/mnt/runtime_read/foo - view for apps with read access
/mnt/runtime_write/foo - view for apps with write access
There is still a single location for all the backing files, and
filesystem permissions are derived the same way for each view, but
the file modes are masked off differently for each mountpoint.
During Zygote fork, it wires up the appropriate storage access into
an isolated mount namespace based on the current app permissions. When
the app is granted permissions dynamically at runtime, the system
asks vold to jump into the existing mount namespace and bind mount
the newly granted access model into place.
Bug: 21858077
Change-Id: Iade538e4bc7af979fe20095f74416e8a0f165a4a
Report both the disk and the partition GUID for private volumes to
userspace, and offer to forget the encryption key for a given
partition GUID.
Bug: 21782268
Change-Id: Ie77a3a58e47bf3563cdb3e4b0edfab1de4d0e6b4
Josh Gao
Pavel Grafov
Keun-young Park
Jeff Sharkey
Tom Cherry
Elliott Hughes
cjbao
Bowgo Tsai
Calin Juravle
Chih-Hung Hsieh
Dan Austin
Yu Ning
Daichi Hirono
Bill Yi
caozhiyuan
Oleksiy Avramchenko