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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-05-25 17:51:23 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-05-25 18:02:09 -0400
commit848f5bda54ef19435ff78f124082bf6eff2ab620 (patch)
tree06b86b2725e1c1c309067cb7c3bd7b16058662e9 /fs
parentad24ecfbcddfa88541bccc980e753aeda8bf4031 (diff)
downloadlinux-848f5bda54ef19435ff78f124082bf6eff2ab620.tar.bz2
NFSv4.1: Ensure we use the correct credentials for session create/destroy
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/nfs4_fs.h4
-rw-r--r--fs/nfs/nfs4proc.c27
-rw-r--r--fs/nfs/nfs4state.c10
3 files changed, 26 insertions, 15 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 5fcb1ad65e5e..a5dbe62130f1 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -241,8 +241,8 @@ extern int nfs41_setup_sequence(struct nfs4_session *session,
struct rpc_task *task);
extern void nfs4_destroy_session(struct nfs4_session *session);
extern struct nfs4_session *nfs4_alloc_session(struct nfs_client *clp);
-extern int nfs4_proc_create_session(struct nfs_client *);
-extern int nfs4_proc_destroy_session(struct nfs4_session *);
+extern int nfs4_proc_create_session(struct nfs_client *, struct rpc_cred *);
+extern int nfs4_proc_destroy_session(struct nfs4_session *, struct rpc_cred *);
extern int nfs4_init_session(struct nfs_server *server);
extern int nfs4_proc_get_lease_time(struct nfs_client *clp,
struct nfs_fsinfo *fsinfo);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index f8817e81096e..8fa3a36df185 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5480,8 +5480,12 @@ struct nfs4_session *nfs4_alloc_session(struct nfs_client *clp)
void nfs4_destroy_session(struct nfs4_session *session)
{
struct rpc_xprt *xprt;
+ struct rpc_cred *cred;
- nfs4_proc_destroy_session(session);
+ cred = nfs4_get_exchange_id_cred(session->clp);
+ nfs4_proc_destroy_session(session, cred);
+ if (cred)
+ put_rpccred(cred);
rcu_read_lock();
xprt = rcu_dereference(session->clp->cl_rpcclient->cl_xprt);
@@ -5591,7 +5595,8 @@ static int nfs4_verify_channel_attrs(struct nfs41_create_session_args *args,
return nfs4_verify_back_channel_attrs(args, session);
}
-static int _nfs4_proc_create_session(struct nfs_client *clp)
+static int _nfs4_proc_create_session(struct nfs_client *clp,
+ struct rpc_cred *cred)
{
struct nfs4_session *session = clp->cl_session;
struct nfs41_create_session_args args = {
@@ -5605,6 +5610,7 @@ static int _nfs4_proc_create_session(struct nfs_client *clp)
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_CREATE_SESSION],
.rpc_argp = &args,
.rpc_resp = &res,
+ .rpc_cred = cred,
};
int status;
@@ -5629,7 +5635,7 @@ static int _nfs4_proc_create_session(struct nfs_client *clp)
* It is the responsibility of the caller to verify the session is
* expired before calling this routine.
*/
-int nfs4_proc_create_session(struct nfs_client *clp)
+int nfs4_proc_create_session(struct nfs_client *clp, struct rpc_cred *cred)
{
int status;
unsigned *ptr;
@@ -5637,7 +5643,7 @@ int nfs4_proc_create_session(struct nfs_client *clp)
dprintk("--> %s clp=%p session=%p\n", __func__, clp, session);
- status = _nfs4_proc_create_session(clp);
+ status = _nfs4_proc_create_session(clp, cred);
if (status)
goto out;
@@ -5659,10 +5665,15 @@ out:
* Issue the over-the-wire RPC DESTROY_SESSION.
* The caller must serialize access to this routine.
*/
-int nfs4_proc_destroy_session(struct nfs4_session *session)
+int nfs4_proc_destroy_session(struct nfs4_session *session,
+ struct rpc_cred *cred)
{
+ struct rpc_message msg = {
+ .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_DESTROY_SESSION],
+ .rpc_argp = session,
+ .rpc_cred = cred,
+ };
int status = 0;
- struct rpc_message msg;
dprintk("--> nfs4_proc_destroy_session\n");
@@ -5670,10 +5681,6 @@ int nfs4_proc_destroy_session(struct nfs4_session *session)
if (session->clp->cl_cons_state != NFS_CS_READY)
return status;
- msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_DESTROY_SESSION];
- msg.rpc_argp = session;
- msg.rpc_resp = NULL;
- msg.rpc_cred = NULL;
status = rpc_call_sync(session->clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT);
if (status)
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 419f8c44429e..15878404aa8c 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -256,7 +256,7 @@ int nfs41_init_clientid(struct nfs_client *clp, struct rpc_cred *cred)
goto out;
set_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
do_confirm:
- status = nfs4_proc_create_session(clp);
+ status = nfs4_proc_create_session(clp, cred);
if (status != 0)
goto out;
clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
@@ -1717,10 +1717,12 @@ void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags)
static int nfs4_reset_session(struct nfs_client *clp)
{
+ struct rpc_cred *cred;
int status;
nfs4_begin_drain_session(clp);
- status = nfs4_proc_destroy_session(clp->cl_session);
+ cred = nfs4_get_exchange_id_cred(clp);
+ status = nfs4_proc_destroy_session(clp->cl_session, cred);
if (status && status != -NFS4ERR_BADSESSION &&
status != -NFS4ERR_DEADSESSION) {
status = nfs4_recovery_handle_error(clp, status);
@@ -1728,7 +1730,7 @@ static int nfs4_reset_session(struct nfs_client *clp)
}
memset(clp->cl_session->sess_id.data, 0, NFS4_MAX_SESSIONID_LEN);
- status = nfs4_proc_create_session(clp);
+ status = nfs4_proc_create_session(clp, cred);
if (status) {
status = nfs4_recovery_handle_error(clp, status);
goto out;
@@ -1742,6 +1744,8 @@ static int nfs4_reset_session(struct nfs_client *clp)
if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
nfs41_setup_state_renewal(clp);
out:
+ if (cred)
+ put_rpccred(cred);
return status;
}