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SUNRPC: Add a backpointer from the struct rpc_cred to the rpc_auth

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Cleans up an issue whereby rpcsec_gss uses the rpc_clnt->cl_auth. If we want
to be able to add several rpc_auths to a single rpc_clnt, then this abuse
must go.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2007-06-07 10:14:14 -04:00
parent c1384c9c4c
commit 4a8c1344dc
4 changed files with 8 additions and 1 deletions
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4
include/linux/sunrpc/auth.h
View File

@ -30,8 +30,11 @@ struct auth_cred {
/*
* Client user credentials
*/
struct rpc_auth;
struct rpc_credops;
struct rpc_cred {
struct hlist_node cr_hash; /* hash chain */
struct rpc_auth * cr_auth;
struct rpc_credops * cr_ops;
unsigned long cr_expire; /* when to gc */
atomic_t cr_count; /* ref count */
@ -60,6 +63,7 @@ struct rpc_cred_cache {
unsigned long expire; /* cache expiry interval */
};
struct rpc_authops;
struct rpc_auth {
unsigned int au_cslack; /* call cred size estimate */
/* guess at number of u32's auth adds before

3
net/sunrpc/auth_gss/auth_gss.c
View File

@ -386,7 +386,7 @@ static inline int
gss_refresh_upcall(struct rpc_task *task)
{
struct rpc_cred *cred = task->tk_msg.rpc_cred;
struct gss_auth *gss_auth = container_of(task->tk_client->cl_auth,
struct gss_auth *gss_auth = container_of(cred->cr_auth,
struct gss_auth, rpc_auth);
struct gss_cred *gss_cred = container_of(cred,
struct gss_cred, gc_base);
@ -741,6 +741,7 @@ gss_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
* fail to flag the credential as RPCAUTH_CRED_UPTODATE.
*/
cred->gc_flags = 0;
cred->gc_base.cr_auth = auth;
cred->gc_base.cr_ops = &gss_credops;
cred->gc_base.cr_flags = RPCAUTH_CRED_NEW;
cred->gc_service = gss_auth->service;

1
net/sunrpc/auth_null.c
View File

@ -133,6 +133,7 @@ struct rpc_credops null_credops = {
static
struct rpc_cred null_cred = {
.cr_auth = &null_auth,
.cr_ops = &null_credops,
.cr_count = ATOMIC_INIT(1),
.cr_flags = RPCAUTH_CRED_UPTODATE,

1
net/sunrpc/auth_unix.c
View File

@ -92,6 +92,7 @@ unx_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
if (i < NFS_NGROUPS)
cred->uc_gids[i] = NOGROUP;
}
cred->uc_base.cr_auth = &unix_auth;
cred->uc_base.cr_ops = &unix_credops;
return (struct rpc_cred *) cred;