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/*
Unix SMB/CIFS implementation.
async dsgetdcname
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/ndr_winbind_c.h"
struct wb_dsgetdcname_state {
struct netr_DsRGetDCNameInfo *dcinfo;
};
static void wb_dsgetdcname_done(struct tevent_req *subreq);
struct tevent_req *wb_dsgetdcname_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
const char *domain_name,
const struct GUID *domain_guid,
const char *site_name,
uint32_t flags)
{
struct tevent_req *req, *subreq;
struct wb_dsgetdcname_state *state;
struct winbindd_child *child;
struct GUID guid;
struct GUID *guid_ptr = NULL;
req = tevent_req_create(mem_ctx, &state, struct wb_dsgetdcname_state);
if (req == NULL) {
return NULL;
}
if (strequal(domain_name, "BUILTIN")
|| strequal(domain_name, get_global_sam_name())) {
/*
* Two options here: Give back our own address, or say there's
* nobody around. Right now opting for the latter, one measure
* to prevent the loopback connects. This might change if
* needed.
*/
tevent_req_nterror(req, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND);
return tevent_req_post(req, ev);
}
if (IS_DC) {
/*
* We have to figure out the DC ourselves
*/
child = locator_child();
} else {
struct winbindd_domain *domain = find_our_domain();
child = choose_domain_child(domain);
}
if (domain_guid != NULL) {
/* work around a const issue in rpccli_ autogenerated code */
guid = *domain_guid;
guid_ptr = &guid;
}
subreq = dcerpc_wbint_DsGetDcName_send(
state, ev, child->binding_handle, domain_name, guid_ptr, site_name,
flags, &state->dcinfo);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wb_dsgetdcname_done, req);
return req;
}
static void wb_dsgetdcname_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_dsgetdcname_state *state = tevent_req_data(
req, struct wb_dsgetdcname_state);
NTSTATUS status, result;
status = dcerpc_wbint_DsGetDcName_recv(subreq, state, &result);
TALLOC_FREE(subreq);
if (any_nt_status_not_ok(status, result, &status)) {
tevent_req_nterror(req, status);
return;
}
tevent_req_done(req);
}
NTSTATUS wb_dsgetdcname_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
struct netr_DsRGetDCNameInfo **pdcinfo)
{
struct wb_dsgetdcname_state *state = tevent_req_data(
req, struct wb_dsgetdcname_state);
NTSTATUS status;
if (tevent_req_is_nterror(req, &status)) {
return status;
}
*pdcinfo = talloc_move(mem_ctx, &state->dcinfo);
return NT_STATUS_OK;
}
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