r11094: Connect to SAM, implement getdcname

(This used to be commit a14398715eceecf204caf815a8769ba8214d0576)

1 files changed, 155 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..3ddcbc8962
--- /dev/null
+++ b/source4/winbind/wb_cmd_getdcname.c
@@ -0,0 +1,155 @@
+/* 
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "libcli/composite/composite.h"
+#include "winbind/wb_server.h"
+#include "smbd/service_stream.h"
+
+#include "librpc/gen_ndr/ndr_netlogon.h"
+
+static void composite_netr_GetAnyDCName_recv_rpc(struct rpc_request *req);
+
+static struct composite_context *composite_netr_GetAnyDCName_send(struct dcerpc_pipe *p,
+								  TALLOC_CTX *mem_ctx,
+								  struct netr_GetAnyDCName *r)
+{
+	struct composite_context *result;
+	struct rpc_request *req;
+
+	result = talloc(mem_ctx, struct composite_context);
+	if (result == NULL) goto failed;
+	result->state = COMPOSITE_STATE_IN_PROGRESS;
+	result->async.fn = NULL;
+	result->event_ctx = p->conn->event_ctx;
+
+	req = dcerpc_netr_GetAnyDCName_send(p, mem_ctx, r);
+	if (req == NULL) goto failed;
+	req->async.callback = composite_netr_GetAnyDCName_recv_rpc;
+	req->async.private = result;
+	return result;
+
+ failed:
+	talloc_free(result);
+	return NULL;
+}
+
+static void composite_netr_GetAnyDCName_recv_rpc(struct rpc_request *req)
+{
+	struct composite_context *ctx =
+		talloc_get_type(req->async.private, struct composite_context);
+
+	ctx->status = dcerpc_ndr_request_recv(req);
+	if (!composite_is_ok(ctx)) return;
+	composite_done(ctx);
+}
+
+NTSTATUS composite_netr_GetAnyDCName_recv(struct composite_context *ctx)
+{
+	NTSTATUS status = composite_wait(ctx);
+	talloc_free(ctx);
+	return status;
+}
+
+struct cmd_getdcname_state {
+	struct composite_context *ctx;
+	struct wbsrv_domain *domain;
+	const char *domain_name;
+
+	struct netr_GetAnyDCName g;
+};
+
+static struct composite_context *getdcname_send_req(void *p);
+static NTSTATUS getdcname_recv_req(struct composite_context *ctx, void *p);
+
+struct composite_context *wb_cmd_getdcname_send(struct wbsrv_call *call,
+						const char *domain)
+{
+	struct cmd_getdcname_state *state;
+	struct wbsrv_service *service = call->wbconn->listen_socket->service;
+
+	state = talloc(NULL, struct cmd_getdcname_state);
+	state->domain = service->domains;
+	state->domain_name = talloc_strdup(state, domain);
+	state->ctx = wb_queue_domain_send(state, state->domain,
+					  call->event_ctx,
+					  call->wbconn->conn->msg_ctx,
+					  getdcname_send_req,
+					  getdcname_recv_req,
+					  state);
+	if (state->ctx == NULL) {
+		talloc_free(state);
+		return NULL;
+	}
+	state->ctx->private_data = state;
+	return state->ctx;
+}
+
+static struct composite_context *getdcname_send_req(void *p)
+{
+	struct cmd_getdcname_state *state =
+		talloc_get_type(p, struct cmd_getdcname_state);
+
+	state->g.in.logon_server = talloc_asprintf(
+		state, "\\\\%s",
+		dcerpc_server_name(state->domain->netlogon_pipe));
+	state->g.in.domainname = state->domain_name;
+
+	return composite_netr_GetAnyDCName_send(state->domain->netlogon_pipe,
+						state, &state->g);
+}
+
+static NTSTATUS getdcname_recv_req(struct composite_context *ctx, void *p)
+{
+	struct cmd_getdcname_state *state =
+		talloc_get_type(p, struct cmd_getdcname_state);
+	NTSTATUS status;
+
+	status = composite_netr_GetAnyDCName_recv(ctx);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	if (!W_ERROR_IS_OK(state->g.out.result)) {
+		return werror_to_ntstatus(state->g.out.result);
+	}
+
+	return NT_STATUS_OK;
+}
+
+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;
+}