Add basic remote NetGetDCName and NetGetAnyDCName versions to libnetapi.

Guenther
(This used to be commit 5bc49546a32abb4524133b9f2916cdd51d4eb462)

2 files changed, 252 insertions, 0 deletions

diff --git a/source3/lib/netapi/getdc.c b/source3/lib/netapi/getdc.c
new file mode 100644
index 0000000000..85a0ae52ef
--- /dev/null
+++ b/source3/lib/netapi/getdc.c
@@ -0,0 +1,243 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *  NetApi GetDC Support
+ *  Copyright (C) Guenther Deschner 2007
+ *
+ *  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 "lib/netapi/netapi.h"
+#include "libnet/libnet.h"
+
+#if 0
+#include "librpc/gen_ndr/cli_netlogon.h"
+#endif
+
+NTSTATUS rpccli_netr_GetDcName(struct rpc_pipe_client *cli,
+			       TALLOC_CTX *mem_ctx,
+			       const char *logon_server,
+			       const char *domainname,
+			       const char **dcname);
+NTSTATUS rpccli_netr_GetAnyDCName(struct rpc_pipe_client *cli,
+				  TALLOC_CTX *mem_ctx,
+				  const char *logon_server,
+				  const char *domainname,
+				  const char **dcname,
+				  WERROR *werror);
+
+static WERROR NetGetDCNameLocal(struct libnetapi_ctx *ctx,
+				const char *server_name,
+				const char *domain_name,
+				uint8_t **buffer)
+{
+	return WERR_NOT_SUPPORTED;
+}
+
+static WERROR NetGetDCNameRemote(struct libnetapi_ctx *ctx,
+				 const char *server_name,
+				 const char *domain_name,
+				 uint8_t **buffer)
+{
+	struct cli_state *cli = NULL;
+	struct rpc_pipe_client *pipe_cli = NULL;
+	NTSTATUS status;
+	WERROR werr;
+
+	status = cli_full_connection(&cli, NULL, server_name,
+				     NULL, 0,
+				     "IPC$", "IPC",
+				     ctx->username,
+				     ctx->workgroup,
+				     ctx->password,
+				     0, Undefined, NULL);
+
+	if (!NT_STATUS_IS_OK(status)) {
+		werr = ntstatus_to_werror(status);
+		goto done;
+	}
+
+	pipe_cli = cli_rpc_pipe_open_noauth(cli, PI_NETLOGON,
+					    &status);
+	if (!pipe_cli) {
+		werr = ntstatus_to_werror(status);
+		goto done;
+	};
+
+#if 0
+	werr = rpccli_netr_GetDcName(pipe_cli, ctx,
+				     server_name,
+				     domain_name,
+				     (const char **)&buffer);
+#else
+	werr = rpccli_netlogon_getdcname(pipe_cli, ctx,
+					 server_name,
+					 domain_name,
+					 (char **)buffer);
+#endif
+ done:
+	if (cli) {
+		cli_shutdown(cli);
+	}
+
+	return werr;
+}
+
+static WERROR libnetapi_NetGetDCName(struct libnetapi_ctx *ctx,
+				     const char *server_name,
+				     const char *domain_name,
+				     uint8_t **buffer)
+{
+	if (!server_name || is_myname_or_ipaddr(server_name)) {
+		return NetGetDCNameLocal(ctx,
+					 server_name,
+					 domain_name,
+					 buffer);
+	}
+
+	return NetGetDCNameRemote(ctx,
+				  server_name,
+				  domain_name,
+				  buffer);
+}
+
+NET_API_STATUS NetGetDCName(const char *server_name,
+			    const char *domain_name,
+			    uint8_t **buffer)
+{
+	struct libnetapi_ctx *ctx = NULL;
+	NET_API_STATUS status;
+	WERROR werr;
+
+	status = libnetapi_getctx(&ctx);
+	if (status != 0) {
+		return status;
+	}
+
+	werr = libnetapi_NetGetDCName(ctx,
+				      server_name,
+				      domain_name,
+				      buffer);
+	if (!W_ERROR_IS_OK(werr)) {
+		return W_ERROR_V(werr);
+	}
+
+	return 0;
+}
+
+static WERROR NetGetAnyDCNameLocal(struct libnetapi_ctx *ctx,
+				   const char *server_name,
+				   const char *domain_name,
+				   uint8_t **buffer)
+{
+	return WERR_NOT_SUPPORTED;
+}
+
+static WERROR NetGetAnyDCNameRemote(struct libnetapi_ctx *ctx,
+				    const char *server_name,
+				    const char *domain_name,
+				    uint8_t **buffer)
+{
+	struct cli_state *cli = NULL;
+	struct rpc_pipe_client *pipe_cli = NULL;
+	NTSTATUS status;
+	WERROR werr;
+
+	status = cli_full_connection(&cli, NULL, server_name,
+				     NULL, 0,
+				     "IPC$", "IPC",
+				     ctx->username,
+				     ctx->workgroup,
+				     ctx->password,
+				     0, Undefined, NULL);
+
+	if (!NT_STATUS_IS_OK(status)) {
+		werr = ntstatus_to_werror(status);
+		goto done;
+	}
+
+	pipe_cli = cli_rpc_pipe_open_noauth(cli, PI_NETLOGON,
+					    &status);
+	if (!pipe_cli) {
+		werr = ntstatus_to_werror(status);
+		goto done;
+	};
+
+#if 0
+	status = rpccli_netr_GetAnyDCName(pipe_cli, ctx,
+					  server_name,
+					  domain_name,
+					  (const char **)&buffer,
+					  &werr);
+	if (!NT_STATUS_IS_OK(status)) {
+		werr = ntstatus_to_werror(status);
+		goto done;
+	}
+#else
+	werr = rpccli_netlogon_getanydcname(pipe_cli, ctx,
+					    server_name,
+					    domain_name,
+					    (char **)buffer);
+#endif
+ done:
+	if (cli) {
+		cli_shutdown(cli);
+	}
+
+	return werr;
+
+}
+
+static WERROR libnetapi_NetGetAnyDCName(struct libnetapi_ctx *ctx,
+					const char *server_name,
+					const char *domain_name,
+					uint8_t **buffer)
+{
+	if (!server_name || is_myname_or_ipaddr(server_name)) {
+		return NetGetAnyDCNameLocal(ctx,
+					    server_name,
+					    domain_name,
+					    buffer);
+	}
+
+	return NetGetAnyDCNameRemote(ctx,
+				     server_name,
+				     domain_name,
+				     buffer);
+}
+
+NET_API_STATUS NetGetAnyDCName(const char *server_name,
+			       const char *domain_name,
+			       uint8_t **buffer)
+{
+	struct libnetapi_ctx *ctx = NULL;
+	NET_API_STATUS status;
+	WERROR werr;
+
+	status = libnetapi_getctx(&ctx);
+	if (status != 0) {
+		return status;
+	}
+
+	werr = libnetapi_NetGetAnyDCName(ctx,
+					 server_name,
+					 domain_name,
+					 buffer);
+	if (!W_ERROR_IS_OK(werr)) {
+		return W_ERROR_V(werr);
+	}
+
+	return 0;
+}
diff --git a/source3/lib/netapi/netapi.h b/source3/lib/netapi/netapi.h
index bbd2282a77..0dd6d95ceb 100644
--- a/source3/lib/netapi/netapi.h
+++ b/source3/lib/netapi/netapi.h
@@ -62,4 +62,13 @@ NET_API_STATUS NetServerSetInfo(const char *server_name,
 				uint32_t level,
 				uint8_t *buffer,
 				uint32_t *parm_error);
+
+/* netlogon */
+NET_API_STATUS NetGetDCName(const char *server_name,
+			    const char *domain_name,
+			    uint8_t **buffer);
+NET_API_STATUS NetGetAnyDCName(const char *server_name,
+			       const char *domain_name,
+			       uint8_t **buffer);
+
 #endif