ceph/src/client/posix_acl.h

   1 #ifndef CEPH_POSIX_ACL
   2 #define CEPH_POSIX_ACL
   3
   4 #define ACL_EA_VERSION          0x0002
   5
   6 #define ACL_USER_OBJ            0x01
   7 #define ACL_USER                0x02
   8 #define ACL_GROUP_OBJ           0x04
   9 #define ACL_GROUP               0x08
  10 #define ACL_MASK                0x10
  11 #define ACL_OTHER               0x20
  12
  13 #define ACL_EA_ACCESS  "system.posix_acl_access"
  14 #define ACL_EA_DEFAULT "system.posix_acl_default"
  15
  16 typedef struct {
  17   ceph_le16       e_tag;
  18   ceph_le16       e_perm;
  19   ceph_le32       e_id;
  20 } acl_ea_entry;
  21
  22 typedef struct {
  23   ceph_le32       a_version;
  24   acl_ea_entry    a_entries[0];
  25 } acl_ea_header;
  26
  27 class UserPerm;
  28
  29 int posix_acl_check(const void *xattr, size_t size);
  30 int posix_acl_equiv_mode(const void *xattr, size_t size, mode_t *mode_p);
  31 int posix_acl_inherit_mode(bufferptr& acl, mode_t *mode_p);
  32 int posix_acl_access_chmod(bufferptr& acl, mode_t mode);
  33 int posix_acl_permits(const bufferptr& acl, uid_t i_uid, gid_t i_gid,
  34                       const UserPerm& groups, unsigned want);
  35 #endif