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
This switches the checkpoint calls that don't need to return a value
to return 0 on success, and an error on failure. This will be transalted
to exceptions for java binder users. needsCheckpoint and needsRollback
still return a boolean value.
Test: vdc setCheckpoint 2 then reboot 3 times checking state
Bug: 112901762
Change-Id: Idd3b5e6036631562a86d5123f533b86cf3bd6032
Merged-In: Idd3b5e6036631562a86d5123f533b86cf3bd6032
This adds implicit rollback support during A/B style updates.
If you explicitly start a checkpoint with -1, needsRollback will
trigger if the update fails, and should be used if any additional
cleanup is needed that is not covered by A/B itself.
Test: All Checkpoint tests pass
Bug: 111020314
Change-Id: I88b4a1098c6bac4dc1438a54c8a8f59577a6c17b
On userdebug protect /mnt/scratch. On user builds ensure that
/mnt/scratch is considered a stale mount so it can not be used.
vold runs before ro.debuggable is set, so this must be a compile
time decision.
Minor technical debt cleanup associated with using android::base.
Test: compile
Bug: 109821005
Change-Id: I8efdbedfe850dd24daecf03a37aea61de47edc7d
Merged-In: I8efdbedfe850dd24daecf03a37aea61de47edc7d
This is not needed anymore since everything else is updated
to use android::vold::UnmountTree.
Bug: 111890351
Test: manual
Change-Id: Idb574469763fa3438fbfc40d6da786d87ac63c38
When both VFAT and exFAT are supported VFAT will only be used to
format card. Use exFAT for cards larger than 32GB per SDXC standard.
Test: build, manual, mount exFAT volume
Bug: 80202067
Change-Id: If504f9685256a669c5801a69d69d5a214ad27455
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
Checkpointing uses a combination of files on the meta partition
and the checkpoint= fs_mgr flag. Checkpointed partitions will
revert to their starting state on reboot unless checkpoint commit
is called.
Test: Run vdc commands, check file on metadata
Merged-In: Icba16578608a6cbf922472e9d4ae5b8cf5f016c6
Change-Id: Icba16578608a6cbf922472e9d4ae5b8cf5f016c6
This will allow adding lots of verbose logs which can be enabled
only during local testing/debugging. Update the existing verbose
level logs to debug level since we want those to be logged by
default.
Test: manual
Change-Id: Ib05e2b6efa71308458d49affb6ed81d3975b28ab
Eric Biggers
Bill Yi
Daniel Rosenberg
Treehugger Robot
Bill Rassieur
Paul Lawrence
Mark Salyzyn
Sudheer Shanka
Oleksiy Avramchenko
Jeff Sharkey
Yifan Hong
Paul Crowley