2 * linux/net/sunrpc/auth_null.c
4 * AUTH_NULL authentication. Really :-)
6 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
9 #include <linux/types.h>
10 #include <linux/socket.h>
11 #include <linux/module.h>
13 #include <linux/utsname.h>
14 #include <linux/sunrpc/clnt.h>
15 #include <linux/sched.h>
18 # define RPCDBG_FACILITY RPCDBG_AUTH
21 static struct rpc_auth null_auth;
22 static struct rpc_cred null_cred;
24 static struct rpc_auth *
25 nul_create(struct rpc_clnt *clnt, rpc_authflavor_t flavor)
27 atomic_inc(&null_auth.au_count);
32 nul_destroy(struct rpc_auth *auth)
37 * Lookup NULL creds for current process
39 static struct rpc_cred *
40 nul_lookup_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
42 return get_rpccred(&null_cred);
46 * Destroy cred handle.
49 nul_destroy_cred(struct rpc_cred *cred)
54 * Match cred handle against current process
57 nul_match(struct auth_cred *acred, struct rpc_cred *cred, int taskflags)
66 nul_marshal(struct rpc_task *task, u32 *p)
68 *p++ = htonl(RPC_AUTH_NULL);
70 *p++ = htonl(RPC_AUTH_NULL);
77 * Refresh credential. This is a no-op for AUTH_NULL
80 nul_refresh(struct rpc_task *task)
82 task->tk_msg.rpc_cred->cr_flags |= RPCAUTH_CRED_UPTODATE;
87 nul_validate(struct rpc_task *task, u32 *p)
89 rpc_authflavor_t flavor;
93 if (flavor != RPC_AUTH_NULL) {
94 printk("RPC: bad verf flavor: %u\n", flavor);
100 printk("RPC: bad verf size: %u\n", size);
107 struct rpc_authops authnull_ops = {
108 .owner = THIS_MODULE,
109 .au_flavor = RPC_AUTH_NULL,
113 .create = nul_create,
114 .destroy = nul_destroy,
115 .lookup_cred = nul_lookup_cred,
119 struct rpc_auth null_auth = {
122 .au_ops = &authnull_ops,
126 struct rpc_credops null_credops = {
127 .cr_name = "AUTH_NULL",
128 .crdestroy = nul_destroy_cred,
129 .crmatch = nul_match,
130 .crmarshal = nul_marshal,
131 .crrefresh = nul_refresh,
132 .crvalidate = nul_validate,
136 struct rpc_cred null_cred = {
137 .cr_ops = &null_credops,
138 .cr_count = ATOMIC_INIT(1),
139 .cr_flags = RPCAUTH_CRED_UPTODATE,
141 .cr_magic = RPCAUTH_CRED_MAGIC,