http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/sunrpc/auth.h

/* * linux/include/linux/sunrpc/auth.h * * Declarations for the RPC client 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> #include <linux/sunrpc/msg_prot.h> #include <linux/sunrpc/xdr.h> #include <asm/atomic.h> /* size of the nodename buffer */ #define UNX_MAXNODENAME 32 /* Maximum size (in bytes) of an rpc credential or verifier */ #define RPC_MAX_AUTH_SIZE (400) /* Work around the lack of a VFS credential */ struct auth_cred { uid_t uid; gid_t gid; struct group_info *group_info; }; /* * Client user credentials */ struct rpc_cred { struct hlist_node cr_hash; /* hash chain */ struct rpc_credops * cr_ops; unsigned long cr_expire; /* when to gc */ atomic_t cr_count; /* ref count */ unsigned short cr_flags; /* various flags */ #ifdef RPC_DEBUG unsigned long cr_magic; /* 0x0f4aa4f0 */ #endif uid_t cr_uid; /* per-flavor data */ }; #define RPCAUTH_CRED_NEW 0x0001 #define RPCAUTH_CRED_UPTODATE 0x0002 #define RPCAUTH_CRED_MAGIC 0x0f4aa4f0 /* * Client authentication handle */ #define RPC_CREDCACHE_NR 8 #define RPC_CREDCACHE_MASK (RPC_CREDCACHE_NR - 1) struct rpc_cred_cache { struct hlist_head hashtable[RPC_CREDCACHE_NR]; unsigned long nextgc; /* next garbage collection */ unsigned long expire; /* cache expiry interval */ }; struct rpc_auth { unsigned int au_cslack; /* call cred size estimate */ /* guess at number of u32's auth adds before * reply data; normally the verifier size: */ unsigned int au_rslack; /* for gss, used to calculate au_rslack: */ unsigned int au_verfsize; unsigned int au_flags; /* various flags */ struct rpc_authops * au_ops; /* operations */ rpc_authflavor_t au_flavor; /* pseudoflavor (note may * differ from the flavor in * au_ops->au_flavor in gss * case) */ atomic_t au_count; /* Reference counter */ struct rpc_cred_cache * au_credcache; /* per-flavor data */ }; /* Flags for rpcauth_lookupcred() */ #define RPCAUTH_LOOKUP_NEW 0x01 /* Accept an uninitialised cred */ #define RPCAUTH_LOOKUP_ROOTCREDS 0x02 /* This really ought to go! */ /* * Client authentication ops */ struct rpc_authops { struct module *owner; rpc_authflavor_t au_flavor; /* flavor (RPC_AUTH_*) */ #ifdef RPC_DEBUG char * au_name; #endif struct rpc_auth * (*create)(struct rpc_clnt *, rpc_authflavor_t); void (*destroy)(struct rpc_auth *); struct rpc_cred * (*lookup_cred)(struct rpc_auth *, struct auth_cred *, int); struct rpc_cred * (*crcreate)(struct rpc_auth*, struct auth_cred *, int); }; struct rpc_credops { const char * cr_name; /* Name of the auth flavour */ int (*cr_init)(struct rpc_auth *, struct rpc_cred *); void (*crdestroy)(struct rpc_cred *); int (*crmatch)(struct auth_cred *, struct rpc_cred *, int); u32 * (*crmarshal)(struct rpc_task *, u32 *); int (*crrefresh)(struct rpc_task *); u32 * (*crvalidate)(struct rpc_task *, u32 *); int (*crwrap_req)(struct rpc_task *, kxdrproc_t, void *, u32 *, void *); int (*crunwrap_resp)(struct rpc_task *, kxdrproc_t, void *, u32 *, void *); }; 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(rpc_authflavor_t, struct rpc_clnt *); void rpcauth_destroy(struct rpc_auth *); struct rpc_cred * rpcauth_lookup_credcache(struct rpc_auth *, struct auth_cred *, int); struct rpc_cred * rpcauth_lookupcred(struct rpc_auth *, int); struct rpc_cred * rpcauth_bindcred(struct rpc_task *); void rpcauth_holdcred(struct rpc_task *); void put_rpccred(struct rpc_cred *); void rpcauth_unbindcred(struct rpc_task *); u32 * rpcauth_marshcred(struct rpc_task *, u32 *); u32 * rpcauth_checkverf(struct rpc_task *, u32 *); int rpcauth_wrap_req(struct rpc_task *task, kxdrproc_t encode, void *rqstp, u32 *data, void *obj); int rpcauth_unwrap_resp(struct rpc_task *task, kxdrproc_t decode, void *rqstp, u32 *data, void *obj); int rpcauth_refreshcred(struct rpc_task *); void rpcauth_invalcred(struct rpc_task *); int rpcauth_uptodatecred(struct rpc_task *); int rpcauth_init_credcache(struct rpc_auth *, unsigned long); void rpcauth_free_credcache(struct rpc_auth *); static inline struct rpc_cred * get_rpccred(struct rpc_cred *cred) { atomic_inc(&cred->cr_count); return cred; } #endif /* __KERNEL__ */ #endif /* _LINUX_SUNRPC_AUTH_H */