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platform_kernel-5.15
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Author SHA1 Message Date
Paul Lawrence d434336cff ANDROID: Incremental fs: Add FS_IOC_READ_VERITY_METADATA 
Bug: 180942327
Test: incfs_test passes
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: I6d6532496c072145f22bcf9ff4499ec3f52e94b5
 2021-04-13 15:22:56 +00:00
Paul Lawrence 822f25ac84 ANDROID: Incremental fs: Add FS_IOC_MEASURE_VERITY 
Add ioctl to return the verity file digest, compatible with the identical
ioctl in fs/verity/.

Bug: 160634504
Test: incfs_test passes
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: I1bc2dc975b9be122e1c831a25a1d44f27a360f3c
 2021-02-10 14:41:17 -08:00
Paul Lawrence ab6055cb62 ANDROID: Incremental fs: Store fs-verity state in backing file 
Now fsverity state is preserved across inode eviction.

Added incfs.verity xattr to track when a file is fs-verity enabled.

Bug: 160634504
Test: incfs_test passes
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: I41d90abd55527884d9eff642c9834ad837ff6918
 2021-02-10 14:41:14 -08:00
Paul Lawrence ca9597811d ANDROID: Incremental fs: Add FS_IOC_ENABLE_VERITY 
Add FS_IOC_ENABLE_VERITY ioctl

When called, calculate measurement, validate signature against fsverity,
and set S_VERITY flag.

This does not (yet) preserve the verity status once the inode is
evicted.

Bug: 160634504
Test: incfs_test passes
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: I88af2721f650098accc72a64528c7d85b753c7f6
 2021-02-10 14:19:46 -08:00