#include <linux/sunrpc/xdr.h>
#include <asm/atomic.h>
+#include <linux/rcupdate.h>
/* size of the nodename buffer */
#define UNX_MAXNODENAME 32
/*
* Client user credentials
*/
+struct rpc_auth;
+struct rpc_credops;
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 */
+ struct list_head cr_lru; /* lru garbage collection */
+ struct rcu_head cr_rcu;
+ struct rpc_auth * cr_auth;
+ const struct rpc_credops *cr_ops;
#ifdef RPC_DEBUG
unsigned long cr_magic; /* 0x0f4aa4f0 */
#endif
+ unsigned long cr_expire; /* when to gc */
+ unsigned long cr_flags; /* various flags */
+ atomic_t cr_count; /* ref count */
uid_t cr_uid;
/* per-flavor data */
};
-#define RPCAUTH_CRED_NEW 0x0001
-#define RPCAUTH_CRED_UPTODATE 0x0002
+#define RPCAUTH_CRED_NEW 0
+#define RPCAUTH_CRED_UPTODATE 1
+#define RPCAUTH_CRED_HASHED 2
#define RPCAUTH_CRED_MAGIC 0x0f4aa4f0
#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 */
+ spinlock_t lock;
};
+struct rpc_authops;
struct rpc_auth {
unsigned int au_cslack; /* call cred size estimate */
/* guess at number of u32's auth adds before
unsigned int au_verfsize;
unsigned int au_flags; /* various flags */
- struct rpc_authops * au_ops; /* operations */
+ const 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
void *, __be32 *, void *);
};
-extern struct rpc_authops authunix_ops;
-extern struct rpc_authops authnull_ops;
-#ifdef CONFIG_SUNRPC_SECURE
-extern struct rpc_authops authdes_ops;
-#endif
+extern const struct rpc_authops authunix_ops;
+extern const struct rpc_authops authnull_ops;
+
+void __init rpc_init_authunix(void);
+void __init rpcauth_init_module(void);
+void __exit rpcauth_remove_module(void);
-int rpcauth_register(struct rpc_authops *);
-int rpcauth_unregister(struct rpc_authops *);
+int rpcauth_register(const struct rpc_authops *);
+int rpcauth_unregister(const struct rpc_authops *);
struct rpc_auth * rpcauth_create(rpc_authflavor_t, struct rpc_clnt *);
-void rpcauth_destroy(struct rpc_auth *);
+void rpcauth_release(struct rpc_auth *);
struct rpc_cred * rpcauth_lookup_credcache(struct rpc_auth *, struct auth_cred *, int);
+void rpcauth_init_cred(struct rpc_cred *, const struct auth_cred *, struct rpc_auth *, const struct rpc_credops *);
struct rpc_cred * rpcauth_lookupcred(struct rpc_auth *, int);
struct rpc_cred * rpcauth_bindcred(struct rpc_task *);
void rpcauth_holdcred(struct rpc_task *);
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 *);
+int rpcauth_init_credcache(struct rpc_auth *);
+void rpcauth_destroy_credcache(struct rpc_auth *);
+void rpcauth_clear_credcache(struct rpc_cred_cache *);
static inline
struct rpc_cred * get_rpccred(struct rpc_cred *cred)