* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $Id$
*/
struct dentry *dentry;
};
+static atomic_t pipe_users = ATOMIC_INIT(0);
+
static void gss_free_ctx(struct gss_cl_ctx *);
static struct rpc_pipe_ops gss_upcall_ops;
{
if (!atomic_dec_and_test(&gss_msg->count))
return;
+ atomic_dec(&pipe_users);
BUG_ON(!list_empty(&gss_msg->list));
if (gss_msg->ctx != NULL)
gss_put_ctx(gss_msg->ctx);
struct gss_upcall_msg *gss_msg;
gss_msg = kzalloc(sizeof(*gss_msg), GFP_NOFS);
- if (gss_msg != NULL) {
- INIT_LIST_HEAD(&gss_msg->list);
- rpc_init_wait_queue(&gss_msg->rpc_waitqueue, "RPCSEC_GSS upcall waitq");
- init_waitqueue_head(&gss_msg->waitqueue);
- atomic_set(&gss_msg->count, 1);
- gss_msg->msg.data = &gss_msg->uid;
- gss_msg->msg.len = sizeof(gss_msg->uid);
- gss_msg->uid = uid;
- gss_msg->auth = gss_auth;
- }
+ if (gss_msg == NULL)
+ return ERR_PTR(-ENOMEM);
+ atomic_inc(&pipe_users);
+ INIT_LIST_HEAD(&gss_msg->list);
+ rpc_init_wait_queue(&gss_msg->rpc_waitqueue, "RPCSEC_GSS upcall waitq");
+ init_waitqueue_head(&gss_msg->waitqueue);
+ atomic_set(&gss_msg->count, 1);
+ gss_msg->msg.data = &gss_msg->uid;
+ gss_msg->msg.len = sizeof(gss_msg->uid);
+ gss_msg->uid = uid;
+ gss_msg->auth = gss_auth;
return gss_msg;
}
uid = 0;
gss_new = gss_alloc_msg(gss_auth, uid);
- if (gss_new == NULL)
- return ERR_PTR(-ENOMEM);
+ if (IS_ERR(gss_new))
+ return gss_new;
gss_msg = gss_add_msg(gss_auth, gss_new);
if (gss_msg == gss_new) {
int res = rpc_queue_upcall(gss_auth->dentry->d_inode, &gss_new->msg);
return gss_msg;
}
+static void warn_gssd(void)
+{
+ static unsigned long ratelimit;
+ unsigned long now = jiffies;
+
+ if (time_after(now, ratelimit)) {
+ printk(KERN_WARNING "RPC: AUTH_GSS upcall timed out.\n"
+ "Please check user daemon is running.\n");
+ ratelimit = now + 15*HZ;
+ }
+}
+
static inline int
gss_refresh_upcall(struct rpc_task *task)
{
return err;
}
+static int
+gss_pipe_open(struct inode *inode)
+{
+ atomic_inc(&pipe_users);
+ return 0;
+}
+
static void
gss_pipe_release(struct inode *inode)
{
spin_lock(&inode->i_lock);
}
spin_unlock(&inode->i_lock);
+
+ atomic_dec(&pipe_users);
}
static void
gss_pipe_destroy_msg(struct rpc_pipe_msg *msg)
{
struct gss_upcall_msg *gss_msg = container_of(msg, struct gss_upcall_msg, msg);
- static unsigned long ratelimit;
if (msg->errno < 0) {
dprintk("RPC: gss_pipe_destroy_msg releasing msg %p\n",
gss_msg);
atomic_inc(&gss_msg->count);
gss_unhash_msg(gss_msg);
- if (msg->errno == -ETIMEDOUT) {
- unsigned long now = jiffies;
- if (time_after(now, ratelimit)) {
- printk(KERN_WARNING "RPC: AUTH_GSS upcall timed out.\n"
- "Please check user daemon is running!\n");
- ratelimit = now + 15*HZ;
- }
- }
+ if (msg->errno == -ETIMEDOUT)
+ warn_gssd();
gss_release_msg(gss_msg);
}
}
gss_free(struct gss_auth *gss_auth)
{
rpc_unlink(gss_auth->dentry);
- gss_auth->dentry = NULL;
gss_mech_put(gss_auth->mech);
kfree(gss_auth);
struct rpc_task *task;
if (gss_cred->gc_ctx == NULL ||
- test_and_clear_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) == 0)
+ test_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) == 0)
return 0;
gss_cred->gc_ctx->gc_proc = RPC_GSS_PROC_DESTROY;
}
static void
-gss_destroy_cred(struct rpc_cred *cred)
+gss_destroy_nullcred(struct rpc_cred *cred)
{
struct gss_cred *gss_cred = container_of(cred, struct gss_cred, gc_base);
struct gss_auth *gss_auth = container_of(cred->cr_auth, struct gss_auth, rpc_auth);
struct gss_cl_ctx *ctx = gss_cred->gc_ctx;
- if (gss_destroying_context(cred))
- return;
rcu_assign_pointer(gss_cred->gc_ctx, NULL);
call_rcu(&cred->cr_rcu, gss_free_cred_callback);
if (ctx)
kref_put(&gss_auth->kref, gss_free_callback);
}
+static void
+gss_destroy_cred(struct rpc_cred *cred)
+{
+
+ if (gss_destroying_context(cred))
+ return;
+ gss_destroy_nullcred(cred);
+}
+
/*
* Lookup RPCSEC_GSS cred for the current process
*/
offset = (u8 *)p - (u8 *)snd_buf->head[0].iov_base;
*p++ = htonl(rqstp->rq_seqno);
- status = rpc_call_xdrproc(encode, rqstp, p, obj);
+ status = encode(rqstp, p, obj);
if (status)
return status;
offset = (u8 *)p - (u8 *)snd_buf->head[0].iov_base;
*p++ = htonl(rqstp->rq_seqno);
- status = rpc_call_xdrproc(encode, rqstp, p, obj);
+ status = encode(rqstp, p, obj);
if (status)
return status;
/* The spec seems a little ambiguous here, but I think that not
* wrapping context destruction requests makes the most sense.
*/
- status = rpc_call_xdrproc(encode, rqstp, p, obj);
+ status = encode(rqstp, p, obj);
goto out;
}
switch (gss_cred->gc_service) {
case RPC_GSS_SVC_NONE:
- status = rpc_call_xdrproc(encode, rqstp, p, obj);
+ status = encode(rqstp, p, obj);
break;
case RPC_GSS_SVC_INTEGRITY:
status = gss_wrap_req_integ(cred, ctx, encode,
cred->cr_auth->au_rslack = cred->cr_auth->au_verfsize + (p - savedp)
+ (savedlen - head->iov_len);
out_decode:
- status = rpc_call_xdrproc(decode, rqstp, p, obj);
+ status = decode(rqstp, p, obj);
out:
gss_put_ctx(ctx);
dprintk("RPC: %5u gss_unwrap_resp returning %d\n", task->tk_pid,
static const struct rpc_credops gss_nullops = {
.cr_name = "AUTH_GSS",
- .crdestroy = gss_destroy_cred,
+ .crdestroy = gss_destroy_nullcred,
.crbind = rpcauth_generic_bind_cred,
.crmatch = gss_match,
.crmarshal = gss_marshal,
.upcall = gss_pipe_upcall,
.downcall = gss_pipe_downcall,
.destroy_msg = gss_pipe_destroy_msg,
+ .open_pipe = gss_pipe_open,
.release_pipe = gss_pipe_release,
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff