winbind: Keep "force_reauth" in invalidate_cm_connection
[Samba.git] / source3 / winbindd / winbindd_ping_dc.c
blobc1a0a7b0ec691be7fcb3dc0a89519b0b801c2d14
1 /*
2 Unix SMB/CIFS implementation.
3 async implementation of WINBINDD_PING_DC
4 Copyright (C) Volker Lendecke 2009
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.
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.
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/>.
20 #include "includes.h"
21 #include "winbindd.h"
22 #include "librpc/gen_ndr/ndr_winbind_c.h"
24 struct winbindd_ping_dc_state {
25 const char *dcname;
26 NTSTATUS result;
29 static void winbindd_ping_dc_done(struct tevent_req *subreq);
31 struct tevent_req *winbindd_ping_dc_send(TALLOC_CTX *mem_ctx,
32 struct tevent_context *ev,
33 struct winbindd_cli_state *cli,
34 struct winbindd_request *request)
36 struct tevent_req *req, *subreq;
37 struct winbindd_ping_dc_state *state;
38 struct winbindd_domain *domain;
40 req = tevent_req_create(mem_ctx, &state,
41 struct winbindd_ping_dc_state);
42 if (req == NULL) {
43 return NULL;
46 if (request->domain_name[0] == '\0') {
47 /* preserve old behavior, when no domain name is given */
48 domain = find_our_domain();
49 } else {
50 domain = find_trust_from_name_noinit(request->domain_name);
52 if (domain == NULL) {
53 tevent_req_nterror(req, NT_STATUS_NO_SUCH_DOMAIN);
54 return tevent_req_post(req, ev);
56 if (domain->internal) {
57 const char *d = lp_dnsdomain();
58 const char *n = lp_netbios_name();
61 * Internal domains are passdb based, we can always
62 * contact them.
65 if (d != NULL) {
66 char *h;
67 h = strlower_talloc(mem_ctx, n);
68 if (tevent_req_nomem(h, req)) {
69 return tevent_req_post(req, ev);
72 state->dcname = talloc_asprintf(state, "%s.%s", h, d);
73 if (tevent_req_nomem(state->dcname, req)) {
74 return tevent_req_post(req, ev);
76 } else {
77 state->dcname = talloc_strdup(state, n);
78 if (tevent_req_nomem(state->dcname, req)) {
79 return tevent_req_post(req, ev);
83 tevent_req_done(req);
84 return tevent_req_post(req, ev);
87 subreq = dcerpc_wbint_PingDc_send(state, ev, dom_child_handle(domain),
88 &state->dcname);
89 if (tevent_req_nomem(subreq, req)) {
90 return tevent_req_post(req, ev);
92 tevent_req_set_callback(subreq, winbindd_ping_dc_done, req);
93 return req;
96 static void winbindd_ping_dc_done(struct tevent_req *subreq)
98 struct tevent_req *req = tevent_req_callback_data(
99 subreq, struct tevent_req);
100 struct winbindd_ping_dc_state *state = tevent_req_data(
101 req, struct winbindd_ping_dc_state);
102 NTSTATUS status, result;
104 status = dcerpc_wbint_PingDc_recv(subreq, state, &result);
105 state->result = result;
106 if (any_nt_status_not_ok(status, result, &status)) {
107 tevent_req_nterror(req, status);
108 return;
110 tevent_req_done(req);
113 NTSTATUS winbindd_ping_dc_recv(struct tevent_req *req,
114 struct winbindd_response *presp)
116 struct winbindd_ping_dc_state *state = tevent_req_data(
117 req, struct winbindd_ping_dc_state);
118 NTSTATUS status;
120 if (tevent_req_is_nterror(req, &status)) {
121 return status;
124 if (!NT_STATUS_IS_OK(state->result)) {
125 set_auth_errors(presp, state->result);
128 if (state->dcname) {
129 presp->extra_data.data = talloc_strdup(presp, state->dcname);
130 presp->length += strlen((char *)presp->extra_data.data) + 1;
133 return tevent_req_simple_recv_ntstatus(req);