Release 4.11 net/sunrpc/auth_null.c
/*
* linux/net/sunrpc/auth_null.c
*
* AUTH_NULL authentication. Really :-)
*
* Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
*/
#include <linux/types.h>
#include <linux/module.h>
#include <linux/sunrpc/clnt.h>
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
static struct rpc_auth null_auth;
static struct rpc_cred null_cred;
static struct rpc_auth *
nul_create(struct rpc_auth_create_args *args, struct rpc_clnt *clnt)
{
atomic_inc(&null_auth.au_count);
return &null_auth;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 19 | 63.33% | 1 | 25.00% |
| Trond Myklebust | 11 | 36.67% | 3 | 75.00% |
| Total | 30 | 100.00% | 4 | 100.00% |
static void
nul_destroy(struct rpc_auth *auth)
{
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 9 | 90.00% | 1 | 50.00% |
| Trond Myklebust | 1 | 10.00% | 1 | 50.00% |
| Total | 10 | 100.00% | 2 | 100.00% |
/*
* Lookup NULL creds for current process
*/
static struct rpc_cred *
nul_lookup_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
{
if (flags & RPCAUTH_LOOKUP_RCU)
return &null_cred;
return get_rpccred(&null_cred);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Trond Myklebust | 23 | 60.53% | 2 | 40.00% |
| Neil Brown | 10 | 26.32% | 1 | 20.00% |
| Linus Torvalds | 3 | 7.89% | 1 | 20.00% |
| Linus Torvalds (pre-git) | 2 | 5.26% | 1 | 20.00% |
| Total | 38 | 100.00% | 5 | 100.00% |
/*
* Destroy cred handle.
*/
static void
nul_destroy_cred(struct rpc_cred *cred)
{
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 9 | 90.00% | 1 | 50.00% |
| Trond Myklebust | 1 | 10.00% | 1 | 50.00% |
| Total | 10 | 100.00% | 2 | 100.00% |
/*
* Match cred handle against current process
*/
static int
nul_match(struct auth_cred *acred, struct rpc_cred *cred, int taskflags)
{
return 1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 17 | 77.27% | 2 | 66.67% |
| Trond Myklebust | 5 | 22.73% | 1 | 33.33% |
| Total | 22 | 100.00% | 3 | 100.00% |
/*
* Marshal credential.
*/
static __be32 *
nul_marshal(struct rpc_task *task, __be32 *p)
{
*p++ = htonl(RPC_AUTH_NULL);
*p++ = 0;
*p++ = htonl(RPC_AUTH_NULL);
*p++ = 0;
return p;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 47 | 95.92% | 1 | 50.00% |
| Alexey Dobriyan | 2 | 4.08% | 1 | 50.00% |
| Total | 49 | 100.00% | 2 | 100.00% |
/*
* Refresh credential. This is a no-op for AUTH_NULL
*/
static int
nul_refresh(struct rpc_task *task)
{
set_bit(RPCAUTH_CRED_UPTODATE, &task->tk_rqstp->rq_cred->cr_flags);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Trond Myklebust | 14 | 50.00% | 3 | 75.00% |
| Linus Torvalds (pre-git) | 14 | 50.00% | 1 | 25.00% |
| Total | 28 | 100.00% | 4 | 100.00% |
static __be32 *
nul_validate(struct rpc_task *task, __be32 *p)
{
rpc_authflavor_t flavor;
u32 size;
flavor = ntohl(*p++);
if (flavor != RPC_AUTH_NULL) {
printk("RPC: bad verf flavor: %u\n", flavor);
return ERR_PTR(-EIO);
}
size = ntohl(*p++);
if (size != 0) {
printk("RPC: bad verf size: %u\n", size);
return ERR_PTR(-EIO);
}
return p;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 57 | 65.52% | 1 | 25.00% |
| Chuck Lever | 18 | 20.69% | 1 | 25.00% |
| Andy Adamson | 10 | 11.49% | 1 | 25.00% |
| Alexey Dobriyan | 2 | 2.30% | 1 | 25.00% |
| Total | 87 | 100.00% | 4 | 100.00% |
const struct rpc_authops authnull_ops = {
.owner = THIS_MODULE,
.au_flavor = RPC_AUTH_NULL,
.au_name = "NULL",
.create = nul_create,
.destroy = nul_destroy,
.lookup_cred = nul_lookup_cred,
};
static
struct rpc_auth null_auth = {
.au_cslack = NUL_CALLSLACK,
.au_rslack = NUL_REPLYSLACK,
.au_flags = RPCAUTH_AUTH_NO_CRKEY_TIMEOUT,
.au_ops = &authnull_ops,
.au_flavor = RPC_AUTH_NULL,
.au_count = ATOMIC_INIT(0),
};
static
const struct rpc_credops null_credops = {
.cr_name = "AUTH_NULL",
.crdestroy = nul_destroy_cred,
.crbind = rpcauth_generic_bind_cred,
.crmatch = nul_match,
.crmarshal = nul_marshal,
.crrefresh = nul_refresh,
.crvalidate = nul_validate,
};
static
struct rpc_cred null_cred = {
.cr_lru = LIST_HEAD_INIT(null_cred.cr_lru),
.cr_auth = &null_auth,
.cr_ops = &null_credops,
.cr_count = ATOMIC_INIT(1),
.cr_flags = 1UL << RPCAUTH_CRED_UPTODATE,
};
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 213 | 44.75% | 2 | 7.14% |
| Trond Myklebust | 154 | 32.35% | 15 | 53.57% |
| Dave Jones | 31 | 6.51% | 1 | 3.57% |
| Chuck Lever | 21 | 4.41% | 2 | 7.14% |
| Linus Torvalds | 13 | 2.73% | 1 | 3.57% |
| Neil Brown | 10 | 2.10% | 1 | 3.57% |
| Andy Adamson | 10 | 2.10% | 1 | 3.57% |
| Christoph Hellwig | 8 | 1.68% | 1 | 3.57% |
| Jeff Layton | 6 | 1.26% | 1 | 3.57% |
| Scott Mayhew | 5 | 1.05% | 1 | 3.57% |
| Alexey Dobriyan | 4 | 0.84% | 1 | 3.57% |
| Kinglong Mee | 1 | 0.21% | 1 | 3.57% |
| Total | 476 | 100.00% | 28 | 100.00% |
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