1 files changed, 95 insertions, 0 deletions
diff --git a/source3/winbindd/winbindd_getdcname.c b/source3/winbindd/winbindd_getdcname.c
new file mode 100644
index 0000000..690e840
--- /dev/null
+++ b/source3/winbindd/winbindd_getdcname.c
@@ -0,0 +1,95 @@
+/*
+   Unix SMB/CIFS implementation.
+   async implementation of WINBINDD_GETDCNAME
+   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"
+#include "lib/util/string_wrappers.h"
+
+struct winbindd_getdcname_state {
+	struct netr_DsRGetDCNameInfo *dcinfo;
+};
+
+static void winbindd_getdcname_done(struct tevent_req *subreq);
+
+struct tevent_req *winbindd_getdcname_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_getdcname_state *state;
+
+	req = tevent_req_create(mem_ctx, &state,
+				struct winbindd_getdcname_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	request->domain_name[sizeof(request->domain_name)-1] = '\0';
+
+	D_NOTICE("[%s (%u)] Winbind external command GETDCNAME start.\n"
+		 "Search DCNAME for domain %s.\n",
+		 cli->client_name,
+		 (unsigned int)cli->pid,
+		 request->domain_name);
+
+	subreq = wb_dsgetdcname_send(state, ev, request->domain_name, NULL,
+				     NULL, 0);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, winbindd_getdcname_done, req);
+	return req;
+}
+
+static void winbindd_getdcname_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct winbindd_getdcname_state *state = tevent_req_data(
+		req, struct winbindd_getdcname_state);
+	NTSTATUS status;
+
+	status = wb_dsgetdcname_recv(subreq, state, &state->dcinfo);
+	TALLOC_FREE(subreq);
+	if (tevent_req_nterror(req, status)) {
+		return;
+	}
+	tevent_req_done(req);
+}
+
+NTSTATUS winbindd_getdcname_recv(struct tevent_req *req,
+				 struct winbindd_response *response)
+{
+	struct winbindd_getdcname_state *state = tevent_req_data(
+		req, struct winbindd_getdcname_state);
+	NTSTATUS status;
+
+	if (tevent_req_is_nterror(req, &status)) {
+		D_WARNING("getdcname failed: %s\n", nt_errstr(status));
+		return status;
+	}
+	fstrcpy(response->data.dc_name, strip_hostname(state->dcinfo->dc_unc));
+
+	D_NOTICE("Winbind external command GETDCNAME end.\n"
+		 "Got DCNAME '%s'.\n",
+		 response->data.dc_name);
+	return NT_STATUS_OK;
+}