Line data Source code
1 : /*
2 : Unix SMB/CIFS implementation.
3 : async seqnum
4 : Copyright (C) Volker Lendecke 2009
5 :
6 : This program is free software; you can redistribute it and/or modify
7 : it under the terms of the GNU General Public License as published by
8 : the Free Software Foundation; either version 3 of the License, or
9 : (at your option) any later version.
10 :
11 : This program is distributed in the hope that it will be useful,
12 : but WITHOUT ANY WARRANTY; without even the implied warranty of
13 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 : GNU General Public License for more details.
15 :
16 : You should have received a copy of the GNU General Public License
17 : along with this program. If not, see <http://www.gnu.org/licenses/>.
18 : */
19 :
20 : #include "includes.h"
21 : #include "winbindd.h"
22 : #include "librpc/gen_ndr/ndr_winbind_c.h"
23 :
24 : struct wb_seqnum_state {
25 : uint32_t seqnum;
26 : };
27 :
28 : static void wb_seqnum_done(struct tevent_req *subreq);
29 :
30 20 : struct tevent_req *wb_seqnum_send(TALLOC_CTX *mem_ctx,
31 : struct tevent_context *ev,
32 : struct winbindd_domain *domain)
33 : {
34 : struct tevent_req *req, *subreq;
35 : struct wb_seqnum_state *state;
36 :
37 20 : req = tevent_req_create(mem_ctx, &state, struct wb_seqnum_state);
38 20 : if (req == NULL) {
39 0 : return NULL;
40 : }
41 20 : subreq = dcerpc_wbint_QuerySequenceNumber_send(
42 20 : state, ev, dom_child_handle(domain), &state->seqnum);
43 20 : if (tevent_req_nomem(subreq, req)) {
44 0 : return tevent_req_post(req, ev);
45 : }
46 20 : tevent_req_set_callback(subreq, wb_seqnum_done, req);
47 20 : return req;
48 : }
49 :
50 20 : static void wb_seqnum_done(struct tevent_req *subreq)
51 : {
52 20 : struct tevent_req *req = tevent_req_callback_data(
53 : subreq, struct tevent_req);
54 20 : struct wb_seqnum_state *state = tevent_req_data(
55 : req, struct wb_seqnum_state);
56 : NTSTATUS status, result;
57 :
58 20 : status = dcerpc_wbint_QuerySequenceNumber_recv(subreq, state, &result);
59 20 : TALLOC_FREE(subreq);
60 20 : if (any_nt_status_not_ok(status, result, &status)) {
61 0 : tevent_req_nterror(req, status);
62 0 : return;
63 : }
64 20 : tevent_req_done(req);
65 : }
66 :
67 20 : NTSTATUS wb_seqnum_recv(struct tevent_req *req, uint32_t *seqnum)
68 : {
69 20 : struct wb_seqnum_state *state = tevent_req_data(
70 : req, struct wb_seqnum_state);
71 : NTSTATUS status;
72 :
73 20 : if (tevent_req_is_nterror(req, &status)) {
74 0 : return status;
75 : }
76 20 : *seqnum = state->seqnum;
77 20 : return NT_STATUS_OK;
78 : }
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