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/module.h>
11 #include <linux/utsname.h>
12 #include <linux/sunrpc/clnt.h>
13 #include <linux/sched.h>
16 # define RPCDBG_FACILITY RPCDBG_AUTH
19 static struct rpc_auth null_auth;
20 static struct rpc_cred null_cred;
22 static struct rpc_auth *
23 nul_create(struct rpc_clnt *clnt, rpc_authflavor_t flavor)
25 atomic_inc(&null_auth.au_count);
30 nul_destroy(struct rpc_auth *auth)
35 * Lookup NULL creds for current process
37 static struct rpc_cred *
38 nul_lookup_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
40 return get_rpccred(&null_cred);
44 * Destroy cred handle.
47 nul_destroy_cred(struct rpc_cred *cred)
52 * Match cred handle against current process
55 nul_match(struct auth_cred *acred, struct rpc_cred *cred, int taskflags)
64 nul_marshal(struct rpc_task *task, u32 *p)
66 *p++ = htonl(RPC_AUTH_NULL);
68 *p++ = htonl(RPC_AUTH_NULL);
75 * Refresh credential. This is a no-op for AUTH_NULL
78 nul_refresh(struct rpc_task *task)
80 task->tk_msg.rpc_cred->cr_flags |= RPCAUTH_CRED_UPTODATE;
85 nul_validate(struct rpc_task *task, u32 *p)
87 rpc_authflavor_t flavor;
91 if (flavor != RPC_AUTH_NULL) {
92 printk("RPC: bad verf flavor: %u\n", flavor);
98 printk("RPC: bad verf size: %u\n", size);
105 struct rpc_authops authnull_ops = {
106 .owner = THIS_MODULE,
107 .au_flavor = RPC_AUTH_NULL,
111 .create = nul_create,
112 .destroy = nul_destroy,
113 .lookup_cred = nul_lookup_cred,
117 struct rpc_auth null_auth = {
120 .au_ops = &authnull_ops,
124 struct rpc_credops null_credops = {
125 .cr_name = "AUTH_NULL",
126 .crdestroy = nul_destroy_cred,
127 .crmatch = nul_match,
128 .crmarshal = nul_marshal,
129 .crrefresh = nul_refresh,
130 .crvalidate = nul_validate,
134 struct rpc_cred null_cred = {
135 .cr_ops = &null_credops,
136 .cr_count = ATOMIC_INIT(1),
137 .cr_flags = RPCAUTH_CRED_UPTODATE,
139 .cr_magic = RPCAUTH_CRED_MAGIC,