auth.h
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上传日期:2013-02-24
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文件大小:1k
- /*
- * include/linux/nfsd/auth.h
- *
- * nfsd-specific authentication stuff.
- * uid/gid mapping not yet implemented.
- *
- * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
- */
- #ifndef LINUX_NFSD_AUTH_H
- #define LINUX_NFSD_AUTH_H
- #ifdef __KERNEL__
- #define nfsd_luid(rq, uid) ((u32)(uid))
- #define nfsd_lgid(rq, gid) ((u32)(gid))
- #define nfsd_ruid(rq, uid) ((u32)(uid))
- #define nfsd_rgid(rq, gid) ((u32)(gid))
- /*
- * Set the current process's fsuid/fsgid etc to those of the NFS
- * client user
- */
- void nfsd_setuser(struct svc_rqst *, struct svc_export *);
- #if 0
- /*
- * These must match the actual size of uid_t and gid_t
- */
- #define UGID_BITS (8 * sizeof(uid_t))
- #define UGID_SHIFT 8
- #define UGID_MASK ((1 << UGID_SHIFT) - 1)
- #define UGID_NRENTRIES ((1 << (UGID_BITS - UGID_SHIFT)) + 1)
- #define UGID_NONE ((unsigned short)-1)
- typedef struct svc_uidmap {
- uid_t * um_ruid[UGID_NRENTRIES];
- uid_t * um_luid[UGID_NRENTRIES];
- gid_t * um_rgid[UGID_NRENTRIES];
- gid_t * um_lgid[UGID_NRENTRIES];
- } svc_uidmap;
- #endif
- #endif /* __KERNEL__ */
- #endif /* LINUX_NFSD_AUTH_H */