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- /*
- * linux/include/linux/auth.h
- *
- * Declarations for the RPC authentication machinery.
- *
- * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
- */
-
- #ifndef _LINUX_SUNRPC_AUTH_H
- #define _LINUX_SUNRPC_AUTH_H
-
- #ifdef __KERNEL__
-
- #include <linux/config.h>
- #include <linux/sunrpc/sched.h>
-
- /* size of the nodename buffer */
- #define UNX_MAXNODENAME 32
-
- /*
- * Client user credentials
- */
- struct rpc_cred {
- struct rpc_cred * cr_next; /* linked list */
- unsigned long cr_expire; /* when to gc */
- unsigned short cr_count; /* ref count */
- unsigned short cr_flags; /* various flags */
-
- uid_t cr_uid;
-
- /* per-flavor data */
- };
- #define RPCAUTH_CRED_LOCKED 0x0001
- #define RPCAUTH_CRED_UPTODATE 0x0002
- #define RPCAUTH_CRED_DEAD 0x0004
-
- /*
- * Client authentication handle
- */
- #define RPC_CREDCACHE_NR 8
- struct rpc_auth {
- struct rpc_cred * au_credcache[RPC_CREDCACHE_NR];
- unsigned long au_expire; /* cache expiry interval */
- unsigned long au_nextgc; /* next garbage collection */
- unsigned int au_cslack; /* call cred size estimate */
- unsigned int au_rslack; /* reply verf size guess */
- unsigned int au_flags; /* various flags */
- struct rpc_authops * au_ops; /* operations */
-
- /* per-flavor data */
- };
- #define RPC_AUTH_PROC_CREDS 0x0010 /* process creds (including
- * uid/gid, fs[ug]id, gids)
- */
-
- /*
- * Client authentication ops
- */
- struct rpc_authops {
- unsigned int au_flavor; /* flavor (RPC_AUTH_*) */
- #ifdef RPC_DEBUG
- char * au_name;
- #endif
- struct rpc_auth * (*create)(struct rpc_clnt *);
- void (*destroy)(struct rpc_auth *);
-
- struct rpc_cred * (*crcreate)(struct rpc_task *);
- void (*crdestroy)(struct rpc_cred *);
-
- int (*crmatch)(struct rpc_task *, struct rpc_cred*);
- u32 * (*crmarshal)(struct rpc_task *, u32 *, int);
- int (*crrefresh)(struct rpc_task *);
- u32 * (*crvalidate)(struct rpc_task *, u32 *);
- };
-
- extern struct rpc_authops authunix_ops;
- extern struct rpc_authops authnull_ops;
- #ifdef CONFIG_SUNRPC_SECURE
- extern struct rpc_authops authdes_ops;
- #endif
-
- int rpcauth_register(struct rpc_authops *);
- int rpcauth_unregister(struct rpc_authops *);
- struct rpc_auth * rpcauth_create(unsigned int, struct rpc_clnt *);
- void rpcauth_destroy(struct rpc_auth *);
- struct rpc_cred * rpcauth_lookupcred(struct rpc_task *);
- void rpcauth_holdcred(struct rpc_task *);
- void rpcauth_releasecred(struct rpc_task *);
- int rpcauth_matchcred(struct rpc_task *, struct rpc_cred *);
- u32 * rpcauth_marshcred(struct rpc_task *, u32 *);
- u32 * rpcauth_checkverf(struct rpc_task *, u32 *);
- int rpcauth_refreshcred(struct rpc_task *);
- void rpcauth_invalcred(struct rpc_task *);
- int rpcauth_uptodatecred(struct rpc_task *);
- void rpcauth_init_credcache(struct rpc_auth *);
- void rpcauth_free_credcache(struct rpc_auth *);
- void rpcauth_insert_credcache(struct rpc_auth *,
- struct rpc_cred *);
-
- #endif /* __KERNEL__ */
- #endif /* _LINUX_SUNRPC_AUTH_H */
-