Commit graph

18 commits

Author SHA1 Message Date
Greg Kaiser
ef9abab5ee vold: const-ify some of the API
We make some of the C++ member functions 'const', to reflect how
they (don't) affect the state of the class.

Test: TreeHugger
Change-Id: Iec1c2801bfe721e2741406ed1ac0ef95662840a6
Merged-In: Iec1c2801bfe721e2741406ed1ac0ef95662840a6
2018-12-20 10:38:15 -08:00
Paul Crowley
de2d6201ab Refactor ForkExecvp to improve locking behaviour
Do our own fork/exec rather than using a library. This leads to
many improvements:

- unite the output recording path with the other path
- never concatenate arguments with spaces
- never use the shell
- move setexeccon after fork, so we don't need to take the lock
- general code refactor while we're there

My tests:
- Ensure Marlin device boots and vold_prepare_subdirs is called
successfully
- Try adb shell sm set-virtual-disk true, see that eg sgdisk output is
logged.

weilongping@huawei.com's tests:
- unlock a user's de and ce directory;
- connect to a OTG storage device or a sdcard and ensure the mount logic be successful

Bug: 26735063
Bug: 113796163
Test: details in commit
Change-Id: I0976413529d7cbeebf5b8649660a385f9b036f04
2018-12-06 09:37:02 -08:00
Eric Biggers
a701c458ca vold: rename from "ext4 encryption" to fscrypt
We support file-based encryption on both ext4 and f2fs now, and the
kernel API is the same.  So rename things appropriately in vold:

    e4crypt => fscrypt
    ext4enc => fscrypt
    Ext4Crypt => FsCrypt
    EXT4_* => FS_*
    ext4_encryption_key => fscrypt_key

Additionally, the common functions shared by 'vold' and 'init' are now
in libfscrypt rather than ext4_utils.  So update vold to link to
libfscrypt and include the renamed headers.

Note: there's a chance of 'fscrypt' being confused with the dm-crypt
based encryption code in vold which is called 'cryptfs'.  However,
fscrypt is the name used in the kernel for ext4/f2fs/ubifs encryption,
and it's preferable to use the same name in userspace.

Test: built, booted device with f2fs encryption
Change-Id: I2a46a49f30d9c0b73d6f6fe09e4a4904d4138ff6
2018-10-25 17:12:32 -07:00
Oleksiy Avramchenko
625dc787c6 Add GetBlockDevSize, GetBlockDevSectors helpers
Helpers to get a block device size in bytes or 512 byte sectors,
using BLKGETSIZE64 and returning value of uint64_t type.

This also removes get_blkdev_size().

Test: build, manual, mount exFAT volume
Bug: 80202067
Change-Id: Ib07e8ac6ef7ff49de0ed570d1fa202e8b558b80c
2018-09-24 14:25:24 +02:00
Paul Crowley
14c8c0765a clang-format many files.
Test: Format-only changes; treehugger suffices.
Change-Id: I23cde3f0bbcac13bef555d13514e922c79d5ad48
2018-09-18 15:41:22 -07:00
Dmitry Shmidt
d6502365c7 Merge "vold: Add nvme disk support" am: 6054bc3ded
am: 3a920e3f6e

Change-Id: Ie4946e65924fffae8b810b54658b64e34a543fb4
2018-05-15 13:35:52 -07:00
Jeff Sharkey
e50314d52b Trim whitespace from sysfs values.
Test: builds, boots
Bug: 72740079
Change-Id: If364927ea762c7dee99bff5dc307e3b9b5355c2b
2018-02-24 18:23:37 -07:00
Greg Kaiser
57f9af6af4 cryptfs: Require ext disk crypt to match code
Our external partitions have no crypto header/footer, so we
only get the keysize and key.  Our code has been implicitly
assuming that this keysize off of disk matches the crypto
type we have in our code (and thus matches the keysize our
code is using as well).  We now make this assumption
explicit, and check for this and no longer allow external
code to pass a keysize in to cryptfs.

Bug: 73079191
Test: Compiled and tested in combination with other CLs.
Change-Id: I1a1996187e1aaad6f103982652b1bcdfd5be33ce
2018-02-16 15:23:56 -08:00
Jeff Sharkey
37ba125205 Add basic exFAT support.
Several partners have been requesting exFAT support.  Android doesn't
natively support exFAT, but we're at least willing to try mounting an
exFAT filesystem if we detect the Linux kernel supports it, and if
helper binaries are present.

This CL is simple scaffolding, and it provides no actual
implementation of exFAT.

Test: builds, boots
Bug: 67822822
Change-Id: Id4f8ec3967b32de6e1c0e3c4b47fe6e43a6291ab
2018-01-19 11:58:43 +09:00
Jeff Sharkey
8c24ae7c47 FBE devices now fully support adoptable storage.
We've finished all the underlying work to support adoptable storage
on FBE devices, so remove the code that was disabling it by default.

To aid debugging, support blocking move commands (so that we log
the stdout) via a system property, so we don't have to recompile
end user devices stuck in funky states.

Test: cts-tradefed run commandAndExit cts-dev -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.AdoptableHostTest
Bug: 29923055, 25861755, 33252673, 37289651
Change-Id: I6b781de7e196a1a50ba543843aca0caf74c3e282
2018-01-04 18:52:07 -07:00
Pierre-Hugues Husson
130a994f4f Merge "Workaround perdev_minors path change in Linux" am: d3870c5167 am: 5687befd86
am: 77e194d0b9

Change-Id: If0c043e387629312121dc7d4556c112dc5800201
2017-11-28 19:19:36 +00:00
Jeff Sharkey
68f1b8bdfb Use sgdisk to create better-aligned MBR tables.
We heavily leverage sgdisk, which already has a bunch of logic to
optimally align partitions.  We've been using it for the adoptable
storage GPT tables, and now we also use it for MBR tables.

Test: cts-tradefed run commandAndExit cts-dev --abi armeabi-v7a -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.AdoptableHostTest
Bug: 63735902
Change-Id: I846a8c96930ec2c6ab12e54dc2d464b17f7c54a9
2017-10-18 14:09:54 -06:00
Jeff Sharkey
3472e52fc2 Move to modern utility methods from android::base.
Moves away from crufty char* operations to std::string utility
methods, including android::base methods for splitting/parsing.

Rewrite of how Process handles scanning procfs for filesystem
references; now uses fts(3) for more sane traversal.

Replace sscanf() with new FindValue() method, also has unit tests.

Remove some unused methods.  Switch almost everyone over to using
modern logging library.

Test: cts-tradefed run commandAndExit cts-dev -m CtsOsTestCases -t android.os.storage.cts.StorageManagerTest
Test: cts-tradefed run commandAndExit cts-dev --abi armeabi-v7a -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.AdoptableHostTest
Bug: 67041047
Change-Id: I70dc512f21459d1e25b187f24289002b2c7bc7af
2017-10-17 12:40:51 -06:00
Paul Crowley
3b71fc5100 Be more C++. volume UUID should always be std::string.
Test: boots
Bug: 67041047
Change-Id: I36d3944ae8de192703b9ee359900841b833fe3a1
2017-10-09 13:36:35 -07:00
Jeff Sharkey
95440ebd97 Enable "cert-err34-c" tidy checks.
Now that we've moved to Binder, we only have a few lingering atoi()
usages that are cleaned up in this CL.

Rewrite match_multi_entry() entirely, with tests to verify both old
and new implementations.

Test: adb shell /data/nativetest/vold_tests/vold_tests
Bug: 36655947
Change-Id: Ib79dc1ddc2366db4d5b4e1a1e2ed9456a06a983e
2017-09-20 13:29:48 -06:00
Jeff Sharkey
cbe69fc060 Destroy vold socket interface completely.
Long live Binder.

Test: yes
Bug: 13758960
Change-Id: If6be379b5a873f1b0c66dd1522b87413ad10fc46
2017-09-18 16:00:14 -06:00
Jeff Sharkey
814e9d308e Move unsolicited vold events to Binder.
Create IVoldListener and move most unsolicited vold events over to
this new interface.  The remaining events will be routed through
method-specific listeners instead of a global one.

Move to upstream DISALLOW_COPY_AND_ASSIGN macro.

Test: cts-tradefed run commandAndExit cts-dev -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.DirectBootHostTest
Test: cts-tradefed run commandAndExit cts-dev -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.AdoptableHostTest
Test: cts-tradefed run commandAndExit cts-dev -m CtsOsTestCases -t android.os.storage.cts.StorageManagerTest
Bug: 13758960
Change-Id: Ib9293487db2d525a76b9b9c2e9ac18d98601c6cf
2017-09-13 11:52:53 -06:00
Jeff Sharkey
11c2d380a7 Move even more vold commands over to Binder.
This moves fstrim, obb and appfuse commands over to the new Binder
interface.  This change also separates creating/destroying and
mounting/unmounting of OBB volumes, which means they finally flow
nicely into the modern VolumeInfo/VolumeBase design.

We now generate unique identifiers for all OBB volumes, instead of
using a shady MD5 hash.

Change all "loop" and "dm" devices to tag the kernel resources with
a vold-specific prefix so that we can clean them up if vold crashes;
there are new destroyAll() methods that handle this cleanup.

Move appfuse mounting/unmounting into VolumeManager so it can be
shared.  Move various model objects into a separate directory to
tidy things up.

Test: cts-tradefed run commandAndExit cts-dev -m CtsOsTestCases -t android.os.storage.cts.StorageManagerTest
Bug: 13758960
Change-Id: I7294e32b3fb6efe07cb3b77bd20166e70b66958f
2017-09-11 18:44:17 -06:00
Renamed from Disk.cpp (Browse further)