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| author | Chong Cai <chongc@google.com> | 2020-09-30 14:43:06 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-09-30 14:45:12 -0700 |
| commit | 38704d9b667b9ebabc3f694a6508b37ead567b6f (patch) | |
| tree | 87cc1667bd696ded139a04117f5158e93fc95c6c /pkg/abi/linux/ioctl.go | |
| parent | 490a1fc1007e6fabdecd02b7e104f5e1482f31c3 (diff) | |
Implement ioctl with measure in verity fs
PiperOrigin-RevId: 334682753
Diffstat (limited to 'pkg/abi/linux/ioctl.go')
| -rw-r--r-- | pkg/abi/linux/ioctl.go | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/pkg/abi/linux/ioctl.go b/pkg/abi/linux/ioctl.go index dc9ac7e7c..7df02dd6d 100644 --- a/pkg/abi/linux/ioctl.go +++ b/pkg/abi/linux/ioctl.go @@ -121,9 +121,27 @@ const ( // Constants from uapi/linux/fsverity.h. const ( - FS_IOC_ENABLE_VERITY = 1082156677 + FS_IOC_ENABLE_VERITY = 1082156677 + FS_IOC_MEASURE_VERITY = 3221513862 ) +// DigestMetadata is a helper struct for VerityDigest. +// +// +marshal +type DigestMetadata struct { + DigestAlgorithm uint16 + DigestSize uint16 +} + +// SizeOfDigestMetadata is the size of struct DigestMetadata. +const SizeOfDigestMetadata = 4 + +// VerityDigest is struct from uapi/linux/fsverity.h. +type VerityDigest struct { + Metadata DigestMetadata + Digest []byte +} + // IOC outputs the result of _IOC macro in asm-generic/ioctl.h. func IOC(dir, typ, nr, size uint32) uint32 { return uint32(dir)<<_IOC_DIRSHIFT | typ<<_IOC_TYPESHIFT | nr<<_IOC_NRSHIFT | size<<_IOC_SIZESHIFT |