static struct tevent_req *smbd_smb2_notify_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct smbd_smb2_request *smb2req,
struct files_struct *fsp,
uint16_t in_flags,
uint32_t in_output_buffer_length,
uint64_t in_completion_filter)
{
struct tevent_req *req;
struct smbd_smb2_notify_state *state;
struct smb_request *smbreq;
connection_struct *conn = smb2req->tcon->compat_conn;
bool recursive = (in_flags & 0x0001) ? true : false;
NTSTATUS status;
req = tevent_req_create(mem_ctx, &state,
struct smbd_smb2_notify_state);
if (req == NULL) {
return NULL;
}
state->smb2req = smb2req;
state->status = NT_STATUS_INTERNAL_ERROR;
state->out_output_buffer = data_blob_null;
state->im = NULL;
DEBUG(10,("smbd_smb2_notify_send: %s - fnum[%d]\n",
fsp_str_dbg(fsp), fsp->fnum));
smbreq = smbd_smb2_fake_smb_request(smb2req);
if (tevent_req_nomem(smbreq, req)) {
return tevent_req_post(req, ev);
}
state->smbreq = smbreq;
smbreq->async_priv = (void *)req;
{
char *filter_string;
filter_string = notify_filter_string(NULL, in_completion_filter);
if (tevent_req_nomem(filter_string, req)) {
return tevent_req_post(req, ev);
}
DEBUG(3,("smbd_smb2_notify_send: notify change "
"called on %s, filter = %s, recursive = %d\n",
fsp_str_dbg(fsp), filter_string, recursive));
TALLOC_FREE(filter_string);
}
if ((!fsp->is_directory) || (conn != fsp->conn)) {
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
if (fsp->notify == NULL) {
status = change_notify_create(fsp,
in_completion_filter,
recursive);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("change_notify_create returned %s\n",
nt_errstr(status)));
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
}
if (fsp->notify->num_changes != 0) {
/*
* We've got changes pending, respond immediately
*/
/*
* TODO: write a torture test to check the filtering behaviour
* here.
*/
change_notify_reply(smbreq,
NT_STATUS_OK,
in_output_buffer_length,
fsp->notify,
smbd_smb2_notify_reply);
/*
* change_notify_reply() above has independently
* called tevent_req_done().
*/
return tevent_req_post(req, ev);
}
state->im = tevent_create_immediate(state);
if (tevent_req_nomem(state->im, req)) {
return tevent_req_post(req, ev);
}
/*
* No changes pending, queue the request
*/
status = change_notify_add_request(smbreq,
in_output_buffer_length,
in_completion_filter,
recursive, fsp,
smbd_smb2_notify_reply);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
/* allow this request to be canceled */
tevent_req_set_cancel_fn(req, smbd_smb2_notify_cancel);
return req;
}
static struct tevent_req *smbd_smb2_notify_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct smbd_smb2_request *smb2req,
struct files_struct *fsp,
uint16_t in_flags,
uint32_t in_output_buffer_length,
uint64_t in_completion_filter)
{
struct tevent_req *req;
struct smbd_smb2_notify_state *state;
struct smb_request *smbreq;
connection_struct *conn = smb2req->tcon->compat;
bool recursive = (in_flags & SMB2_WATCH_TREE) ? true : false;
NTSTATUS status;
req = tevent_req_create(mem_ctx, &state,
struct smbd_smb2_notify_state);
if (req == NULL) {
return NULL;
}
state->smb2req = smb2req;
state->status = NT_STATUS_INTERNAL_ERROR;
state->out_output_buffer = data_blob_null;
talloc_set_destructor(state, smbd_smb2_notify_state_destructor);
DEBUG(10,("smbd_smb2_notify_send: %s - %s\n",
fsp_str_dbg(fsp), fsp_fnum_dbg(fsp)));
smbreq = smbd_smb2_fake_smb_request(smb2req);
if (tevent_req_nomem(smbreq, req)) {
return tevent_req_post(req, ev);
}
state->smbreq = smbreq;
smbreq->async_priv = (void *)req;
if (DEBUGLEVEL >= 3) {
char *filter_string;
filter_string = notify_filter_string(NULL, in_completion_filter);
if (tevent_req_nomem(filter_string, req)) {
return tevent_req_post(req, ev);
}
DEBUG(3,("smbd_smb2_notify_send: notify change "
"called on %s, filter = %s, recursive = %d\n",
fsp_str_dbg(fsp), filter_string, recursive));
TALLOC_FREE(filter_string);
}
if ((!fsp->is_directory) || (conn != fsp->conn)) {
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
if (fsp->notify == NULL) {
status = change_notify_create(fsp,
in_completion_filter,
recursive);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("change_notify_create returned %s\n",
nt_errstr(status)));
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
}
if (change_notify_fsp_has_changes(fsp)) {
/*
* We've got changes pending, respond immediately
*/
/*
* TODO: write a torture test to check the filtering behaviour
* here.
*/
change_notify_reply(smbreq,
NT_STATUS_OK,
in_output_buffer_length,
fsp->notify,
smbd_smb2_notify_reply);
/*
* change_notify_reply() above has independently
* called tevent_req_done().
*/
return tevent_req_post(req, ev);
}
/*
* No changes pending, queue the request
*/
status = change_notify_add_request(smbreq,
in_output_buffer_length,
in_completion_filter,
recursive, fsp,
smbd_smb2_notify_reply);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
/*
* This is a HACK!
*
* change_notify_add_request() talloc_moves()
* smbreq away from us, so we need a destructor
* which moves it back at the end.
*/
state->has_request = true;
talloc_set_destructor(smbreq, smbd_smb2_notify_smbreq_destructor);
/* allow this request to be canceled */
tevent_req_set_cancel_fn(req, smbd_smb2_notify_cancel);
SMBPROFILE_IOBYTES_ASYNC_SET_IDLE(state->smb2req->profile);
return req;
}
