include/linux/nfsd/auth.h

   1 /*
   2  * include/linux/nfsd/auth.h
   3  *
   4  * nfsd-specific authentication stuff.
   5  * uid/gid mapping not yet implemented.
   6  *
   7  * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
   8  */
   9
  10 #ifndef LINUX_NFSD_AUTH_H
  11 #define LINUX_NFSD_AUTH_H
  12
  13 #ifdef __KERNEL__
  14
  15 #define nfsd_luid(rq, uid)      ((u32)(uid))
  16 #define nfsd_lgid(rq, gid)      ((u32)(gid))
  17 #define nfsd_ruid(rq, uid)      ((u32)(uid))
  18 #define nfsd_rgid(rq, gid)      ((u32)(gid))
  19
  20 /*
  21  * Set the current process's fsuid/fsgid etc to those of the NFS
  22  * client user
  23  */
  24 void            nfsd_setuser(struct svc_rqst *, struct svc_export *);
  25
  26 #if 0
  27 /*
  28  * These must match the actual size of uid_t and gid_t
  29  */
  30 #define UGID_BITS               (8 * sizeof(uid_t))
  31 #define UGID_SHIFT              8
  32 #define UGID_MASK               ((1 << UGID_SHIFT) - 1)
  33 #define UGID_NRENTRIES          ((1 << (UGID_BITS - UGID_SHIFT)) + 1)
  34 #define UGID_NONE               ((unsigned short)-1)
  35
  36 typedef struct svc_uidmap {
  37         uid_t *                 um_ruid[UGID_NRENTRIES];
  38         uid_t *                 um_luid[UGID_NRENTRIES];
  39         gid_t *                 um_rgid[UGID_NRENTRIES];
  40         gid_t *                 um_lgid[UGID_NRENTRIES];
  41 } svc_uidmap;
  42 #endif
  43
  44 #endif /* __KERNEL__ */
  45 #endif /* LINUX_NFSD_AUTH_H */