1 files changed, 124 insertions, 0 deletions
diff --git a/source4/winbind/wb_cmd_getdcname.c b/source4/winbind/wb_cmd_getdcname.c
new file mode 100644
index 0000000000..46d7f0d82f
--- /dev/null
+++ b/source4/winbind/wb_cmd_getdcname.c
@@ -0,0 +1,124 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   Command backend for wbinfo --getdcname
+
+   Copyright (C) Volker Lendecke 2005
+   
+   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 "libcli/composite/composite.h"
+#include "winbind/wb_server.h"
+#include "smbd/service_task.h"
+
+#include "librpc/gen_ndr/ndr_netlogon_c.h"
+
+struct cmd_getdcname_state {
+	struct composite_context *ctx;
+	const char *domain_name;
+
+	struct netr_GetAnyDCName g;
+};
+
+static void getdcname_recv_domain(struct composite_context *ctx);
+static void getdcname_recv_dcname(struct rpc_request *req);
+
+struct composite_context *wb_cmd_getdcname_send(TALLOC_CTX *mem_ctx,
+						struct wbsrv_service *service,
+						const char *domain_name)
+{
+	struct composite_context *result, *ctx;
+	struct cmd_getdcname_state *state;
+
+	result = composite_create(mem_ctx, service->task->event_ctx);
+	if (result == NULL) goto failed;
+
+	state = talloc(result, struct cmd_getdcname_state);
+	if (state == NULL) goto failed;
+	state->ctx = result;
+	result->private_data = state;
+
+	state->domain_name = talloc_strdup(state, domain_name);
+	if (state->domain_name == NULL) goto failed;
+
+	ctx = wb_sid2domain_send(state, service, service->primary_sid);
+	if (ctx == NULL) goto failed;
+
+	ctx->async.fn = getdcname_recv_domain;
+	ctx->async.private_data = state;
+	return result;
+
+ failed:
+	talloc_free(result);
+	return NULL;
+}
+
+static void getdcname_recv_domain(struct composite_context *ctx)
+{
+	struct cmd_getdcname_state *state =
+		talloc_get_type(ctx->async.private_data,
+				struct cmd_getdcname_state);
+	struct wbsrv_domain *domain;
+	struct rpc_request *req;
+
+	state->ctx->status = wb_sid2domain_recv(ctx, &domain);
+	if (!composite_is_ok(state->ctx)) return;
+
+	state->g.in.logon_server = talloc_asprintf(
+		state, "\\\\%s",
+		dcerpc_server_name(domain->netlogon_pipe));
+	state->g.in.domainname = state->domain_name;
+
+	req = dcerpc_netr_GetAnyDCName_send(domain->netlogon_pipe, state,
+					    &state->g);
+	if (composite_nomem(req, state->ctx)) return;
+
+	composite_continue_rpc(state->ctx, req, getdcname_recv_dcname, state);
+}
+
+static void getdcname_recv_dcname(struct rpc_request *req)
+{
+	struct cmd_getdcname_state *state =
+		talloc_get_type(req->async.private_data,
+				struct cmd_getdcname_state);
+
+	state->ctx->status = dcerpc_ndr_request_recv(req);
+	if (!composite_is_ok(state->ctx)) return;
+	state->ctx->status = werror_to_ntstatus(state->g.out.result);
+	if (!composite_is_ok(state->ctx)) return;
+
+	composite_done(state->ctx);
+}
+
+NTSTATUS wb_cmd_getdcname_recv(struct composite_context *c,
+			       TALLOC_CTX *mem_ctx,
+			       const char **dcname)
+{
+	struct cmd_getdcname_state *state =
+		talloc_get_type(c->private_data, struct cmd_getdcname_state);
+	NTSTATUS status = composite_wait(c);
+	if (NT_STATUS_IS_OK(status)) {
+		const char *p = state->g.out.dcname;
+		if (*p == '\\') p += 1;
+		if (*p == '\\') p += 1;
+		*dcname = talloc_strdup(mem_ctx, p);
+		if (*dcname == NULL) {
+			status = NT_STATUS_NO_MEMORY;
+		}
+	}
+	talloc_free(state);
+	return status;
+}