Pull fscrypt updates from Ted Ts'o: "Only bug fixes and cleanups for this merge window" * tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt: fscrypt: correct collision claim for digested names MAINTAINERS: fscrypt: update mailing list, patchwork, and git ext4: clean up ext4_match() and callers f2fs: switch to using fscrypt_match_name() ext4: switch to using fscrypt_match_name() fscrypt: introduce helper function for filename matching fscrypt: avoid collisions when presenting long encrypted filenames f2fs: check entire encrypted bigname when finding a dentry ubifs: check for consistent encryption contexts in ubifs_lookup() f2fs: sync f2fs_lookup() with ext4_lookup() ext4: remove "nokey" check from ext4_lookup() fscrypt: fix context consistency check when key(s) unavailable fscrypt: Remove __packed from fscrypt_policy fscrypt: Move key structure and constants to uapi fscrypt: remove fscrypt_symlink_data_len() fscrypt: remove unnecessary checks for NULL operations
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| @@ -279,12 +279,25 @@ struct fscrypt_policy { · 278 unmodified lines | |||
| 279 | __u8 filenames_encryption_mode; | 279 | __u8 filenames_encryption_mode; |
| 280 | __u8 flags; | 280 | __u8 flags; |
| 281 | __u8 master_key_descriptor[FS_KEY_DESCRIPTOR_SIZE]; | 281 | __u8 master_key_descriptor[FS_KEY_DESCRIPTOR_SIZE]; |
| 282 | } __packed; | 282 | }; |
| 283 | 283 | ||
| 284 | #define FS_IOC_SET_ENCRYPTION_POLICY _IOR('f', 19, struct fscrypt_policy) | 284 | #define FS_IOC_SET_ENCRYPTION_POLICY _IOR('f', 19, struct fscrypt_policy) |
| 285 | #define FS_IOC_GET_ENCRYPTION_PWSALT _IOW('f', 20, __u8[16]) | 285 | #define FS_IOC_GET_ENCRYPTION_PWSALT _IOW('f', 20, __u8[16]) |
| 286 | #define FS_IOC_GET_ENCRYPTION_POLICY _IOW('f', 21, struct fscrypt_policy) | 286 | #define FS_IOC_GET_ENCRYPTION_POLICY _IOW('f', 21, struct fscrypt_policy) |
| 287 | 287 | ||
| 288 | /* Parameters for passing an encryption key into the kernel keyring */ | ||
| 289 | #define FS_KEY_DESC_PREFIX "fscrypt:" | ||
| 290 | #define FS_KEY_DESC_PREFIX_SIZE 8 | ||
| 291 | |||
| 292 | /* Structure that userspace passes to the kernel keyring */ | ||
| 293 | #define FS_MAX_KEY_SIZE 64 | ||
| 294 | |||
| 295 | struct fscrypt_key { | ||
| 296 | __u32 mode; | ||
| 297 | __u8 raw[FS_MAX_KEY_SIZE]; | ||
| 298 | __u32 size; | ||
| 299 | }; | ||
| 300 | |||
| 288 | /* | 301 | /* |
| 289 | * Inode flags (FS_IOC_GETFLAGS / FS_IOC_SETFLAGS) | 302 | * Inode flags (FS_IOC_GETFLAGS / FS_IOC_SETFLAGS) |
| 290 | * | 303 | * |