diff options
Diffstat (limited to '')
| -rw-r--r-- | lib/ext2fs/ext4_acl.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/lib/ext2fs/ext4_acl.h b/lib/ext2fs/ext4_acl.h new file mode 100644 index 0000000..8d4d974 --- /dev/null +++ b/lib/ext2fs/ext4_acl.h @@ -0,0 +1,62 @@ +/* + * Ext4's on-disk acl format. From linux/fs/ext4/acl.h + */ + +#define EXT4_ACL_VERSION 0x0001 + +/* 23.2.5 acl_tag_t values */ + +#define ACL_UNDEFINED_TAG (0x00) +#define ACL_USER_OBJ (0x01) +#define ACL_USER (0x02) +#define ACL_GROUP_OBJ (0x04) +#define ACL_GROUP (0x08) +#define ACL_MASK (0x10) +#define ACL_OTHER (0x20) + +/* 23.3.6 acl_type_t values */ + +#define ACL_TYPE_ACCESS (0x8000) +#define ACL_TYPE_DEFAULT (0x4000) + +/* 23.2.7 ACL qualifier constants */ + +#define ACL_UNDEFINED_ID ((id_t)-1) + +typedef struct { + __le16 e_tag; + __le16 e_perm; + __le32 e_id; + } ext4_acl_entry; + +typedef struct { + __le16 e_tag; + __le16 e_perm; +} ext4_acl_entry_short; + +typedef struct { + __le32 a_version; +} ext4_acl_header; + + +/* Supported ACL a_version fields */ + #define POSIX_ACL_XATTR_VERSION 0x0002 + +typedef struct { + __le16 e_tag; + __le16 e_perm; + __le32 e_id; +} posix_acl_xattr_entry; + +typedef struct { + __le32 a_version; +#if __GNUC_PREREQ (4, 8) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wpedantic" +#endif + posix_acl_xattr_entry a_entries[0]; +#if __GNUC_PREREQ (4, 8) +#pragma GCC diagnostic pop +#endif +} posix_acl_xattr_header; + |