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authorJeremy Allison <jra@samba.org>2010-05-10 13:58:41 -0700
committerJeremy Allison <jra@samba.org>2010-05-10 13:58:41 -0700
commita776933de68955ce7356b03a7c5ae83da0e7961c (patch)
treee7e5ebd28dd9c810ff96b440d348489d9f49866e /source3
parent983606dbe0a23cab28d0f33a32a0e4ab0acf99a7 (diff)
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Stop us crashing in SMB2-OPLOCK test. Don't allow more than one outstanding immediate event.
Jeremy.
Diffstat (limited to 'source3')
-rw-r--r--source3/smbd/smb2_create.c38
1 files changed, 33 insertions, 5 deletions
diff --git a/source3/smbd/smb2_create.c b/source3/smbd/smb2_create.c
index f0afb1f4d1..20359437fc 100644
--- a/source3/smbd/smb2_create.c
+++ b/source3/smbd/smb2_create.c
@@ -373,6 +373,7 @@ struct smbd_smb2_create_state {
struct smbd_smb2_request *smb2req;
struct smb_request *smb1req;
struct timed_event *te;
+ struct tevent_immediate *im;
struct timeval request_time;
struct file_id id;
DATA_BLOB private_data;
@@ -950,6 +951,8 @@ static void remove_deferred_open_message_smb2_internal(struct smbd_smb2_request
/* Ensure we don't have any outstanding timer event. */
TALLOC_FREE(state->te);
+ /* Ensure we don't have any outstanding immediate event. */
+ TALLOC_FREE(state->im);
}
void remove_deferred_open_message_smb2(uint64_t mid)
@@ -965,9 +968,29 @@ void remove_deferred_open_message_smb2(uint64_t mid)
remove_deferred_open_message_smb2_internal(smb2req, mid);
}
+static void smbd_smb2_create_request_dispatch_immediate(struct tevent_context *ctx,
+ struct tevent_immediate *im,
+ void *private_data)
+{
+ struct smbd_smb2_request *smb2req = talloc_get_type_abort(private_data,
+ struct smbd_smb2_request);
+ struct smbd_server_connection *sconn = smb2req->sconn;
+ uint64_t mid = get_mid_from_smb2req(smb2req);
+ NTSTATUS status;
+
+ DEBUG(10,("smbd_smb2_create_request_dispatch_immediate: "
+ "re-dispatching mid %llu\n",
+ (unsigned long long)mid ));
+
+ status = smbd_smb2_request_dispatch(smb2req);
+ if (!NT_STATUS_IS_OK(status)) {
+ smbd_server_connection_terminate(sconn, nt_errstr(status));
+ return;
+ }
+}
+
void schedule_deferred_open_message_smb2(uint64_t mid)
{
- struct tevent_immediate *im = NULL;
struct smbd_smb2_create_state *state = NULL;
struct smbd_smb2_request *smb2req = find_open_smb2req(mid);
@@ -988,8 +1011,11 @@ void schedule_deferred_open_message_smb2(uint64_t mid)
if (!state) {
return;
}
+
/* Ensure we don't have any outstanding timer event. */
TALLOC_FREE(state->te);
+ /* Ensure we don't have any outstanding immediate event. */
+ TALLOC_FREE(state->im);
/*
* This is subtle. We must null out the callback
@@ -1000,8 +1026,8 @@ void schedule_deferred_open_message_smb2(uint64_t mid)
*/
tevent_req_set_callback(smb2req->subreq, NULL, NULL);
- im = tevent_create_immediate(smb2req);
- if (!im) {
+ state->im = tevent_create_immediate(smb2req);
+ if (!state->im) {
smbd_server_connection_terminate(smb2req->sconn,
nt_errstr(NT_STATUS_NO_MEMORY));
}
@@ -1010,9 +1036,9 @@ void schedule_deferred_open_message_smb2(uint64_t mid)
"re-processing mid %llu\n",
(unsigned long long)mid ));
- tevent_schedule_immediate(im,
+ tevent_schedule_immediate(state->im,
smb2req->sconn->smb2.event_ctx,
- smbd_smb2_request_dispatch_immediate,
+ smbd_smb2_create_request_dispatch_immediate,
smb2req);
}
@@ -1045,6 +1071,8 @@ static void smb2_deferred_open_timer(struct event_context *ev,
* this returns.
*/
state->te = NULL;
+ /* Ensure we don't have any outstanding immediate event. */
+ TALLOC_FREE(state->im);
/*
* This is subtle. We must null out the callback