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samba-mirror/source3/winbindd/winbindd_ping_dc.c
Volker Lendecke 9b6b01aab6 s3:winbind: Add a lower-cost alternative to wbinfo -t: wbinfo --ping-dc
This just does a NULL RPC call through an existing NETLOGON connection. If
someone knows an operation that "just works" and does not return NOT_SUPPORTED,
please tell me :-)
2009-12-21 23:23:52 +01:00

97 lines
2.7 KiB
C

/*
Unix SMB/CIFS implementation.
async implementation of WINBINDD_PING_DC
Copyright (C) Volker Lendecke 2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "winbindd.h"
#include "librpc/gen_ndr/cli_wbint.h"
struct winbindd_ping_dc_state {
uint8_t dummy;
};
static void winbindd_ping_dc_done(struct tevent_req *subreq);
struct tevent_req *winbindd_ping_dc_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct winbindd_cli_state *cli,
struct winbindd_request *request)
{
struct tevent_req *req, *subreq;
struct winbindd_ping_dc_state *state;
struct winbindd_domain *domain;
req = tevent_req_create(mem_ctx, &state,
struct winbindd_ping_dc_state);
if (req == NULL) {
return NULL;
}
if (request->domain_name[0] == '\0') {
/* preserve old behavior, when no domain name is given */
domain = find_our_domain();
} else {
domain = find_domain_from_name(request->domain_name);
}
if (domain == NULL) {
tevent_req_nterror(req, NT_STATUS_NO_SUCH_DOMAIN);
return tevent_req_post(req, ev);
}
if (domain->internal) {
/*
* Internal domains are passdb based, we can always
* contact them.
*/
tevent_req_done(req);
return tevent_req_post(req, ev);
}
subreq = rpccli_wbint_PingDc_send(state, ev, domain->child.rpccli);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, winbindd_ping_dc_done, req);
return req;
}
static void winbindd_ping_dc_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct winbindd_ping_dc_state *state = tevent_req_data(
req, struct winbindd_ping_dc_state);
NTSTATUS status, result;
status = rpccli_wbint_PingDc_recv(subreq, state, &result);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return;
}
if (!NT_STATUS_IS_OK(result)) {
tevent_req_nterror(req, result);
return;
}
tevent_req_done(req);
}
NTSTATUS winbindd_ping_dc_recv(struct tevent_req *req,
struct winbindd_response *presp)
{
return tevent_req_simple_recv_ntstatus(req);
}