s3-rpc_client: Added dcerpc_winreg_int_openkey().

Signed-off-by: Günther Deschner <gd@samba.org>

source3/Makefile.in

@@ -349,6 +349,9 @@ LIBCLI_EVENTLOG_OBJ = librpc/gen_ndr/ndr_eventlog_c.o
 
 LIBCLI_WINREG_OBJ = librpc/gen_ndr/ndr_winreg_c.o
 
+LIBCLI_WINREG_INT_OBJ = $(LIBCLI_WINREG_OBJ) \
+			rpc_client/cli_winreg_int.o
+
 LIBCLI_NTSVCS_OBJ = librpc/gen_ndr/ndr_ntsvcs_c.o
 
 LIBCLI_DRSUAPI_OBJ = librpc/gen_ndr/ndr_drsuapi_c.o
@@ -730,7 +733,7 @@ RPC_SERVER_OBJ = $(RPC_LSARPC_OBJ) $(RPC_WINREG_OBJ) $(RPC_INITSHUTDOWN_OBJ) \
 		 $(RPC_SAMR_OBJ) $(RPC_RPCECHO_OBJ) $(RPC_EPMAPPER_OBJ) \
 		 $(RPC_PIPE_OBJ) $(NPA_TSTREAM_OBJ) \
 		 $(LIBCLI_SPOOLSS_OBJ) \
-		 $(LIBCLI_WINREG_OBJ) \
+		 $(LIBCLI_WINREG_INT_OBJ) \
 		 $(LIBCLI_SRVSVC_OBJ) \
 		 $(LIBCLI_LSA_OBJ) \
 		 $(LIBCLI_SAMR_OBJ) \

source3/rpc_client/cli_winreg_int.c

@@ -0,0 +1,134 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *
+ *  WINREG internal client routines
+ *
+ *  Copyright (c) 2011      Andreas Schneider <asn@samba.org>
+ *
+ *  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 "../librpc/gen_ndr/ndr_winreg_c.h"
+#include "rpc_client/cli_winreg_int.h"
+#include "rpc_server/rpc_ncacn_np.h"
+
+NTSTATUS dcerpc_winreg_int_hklm_openkey(TALLOC_CTX *mem_ctx,
+					const struct auth_serversupplied_info *server_info,
+					struct messaging_context *msg_ctx,
+					struct dcerpc_binding_handle **h,
+					const char *key,
+					bool create_key,
+					uint32_t access_mask,
+					struct policy_handle *hive_handle,
+					struct policy_handle *key_handle,
+					WERROR *pwerr)
+{
+	static struct client_address client_id;
+	struct dcerpc_binding_handle *binding_handle;
+	struct winreg_String wkey, wkeyclass;
+	NTSTATUS status;
+	WERROR result = WERR_OK;
+
+	strlcpy(client_id.addr, "127.0.0.1", sizeof(client_id.addr));
+	client_id.name = "127.0.0.1";
+
+	status = rpcint_binding_handle(mem_ctx,
+				       &ndr_table_winreg,
+				       &client_id,
+				       server_info,
+				       msg_ctx,
+				       &binding_handle);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0, ("dcerpc_winreg_int_openkey: Could not connect to winreg pipe: %s\n",
+			  nt_errstr(status)));
+		return status;
+	}
+
+	status = dcerpc_winreg_OpenHKLM(binding_handle,
+					mem_ctx,
+					NULL,
+					access_mask,
+					hive_handle,
+					&result);
+	if (!NT_STATUS_IS_OK(status)) {
+		talloc_free(binding_handle);
+		return status;
+	}
+	if (!W_ERROR_IS_OK(result)) {
+		talloc_free(binding_handle);
+		*pwerr = result;
+		return status;
+	}
+
+	ZERO_STRUCT(wkey);
+	wkey.name = key;
+
+	if (create_key) {
+		enum winreg_CreateAction action = REG_ACTION_NONE;
+
+		ZERO_STRUCT(wkeyclass);
+		wkeyclass.name = "";
+
+		status = dcerpc_winreg_CreateKey(binding_handle,
+						 mem_ctx,
+						 hive_handle,
+						 wkey,
+						 wkeyclass,
+						 0,
+						 access_mask,
+						 NULL,
+						 key_handle,
+						 &action,
+						 &result);
+		switch (action) {
+			case REG_ACTION_NONE:
+				DEBUG(8, ("dcerpc_winreg_int_openkey: createkey"
+					  " did nothing -- huh?\n"));
+				break;
+			case REG_CREATED_NEW_KEY:
+				DEBUG(8, ("dcerpc_winreg_int_openkey: createkey"
+					  " created %s\n", key));
+				break;
+			case REG_OPENED_EXISTING_KEY:
+				DEBUG(8, ("dcerpc_winreg_int_openkey: createkey"
+					  " opened existing %s\n", key));
+				break;
+		}
+	} else {
+		status = dcerpc_winreg_OpenKey(binding_handle,
+					       mem_ctx,
+					       hive_handle,
+					       wkey,
+					       0,
+					       access_mask,
+					       key_handle,
+					       &result);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		talloc_free(binding_handle);
+		return status;
+	}
+	if (!W_ERROR_IS_OK(result)) {
+		talloc_free(binding_handle);
+		*pwerr = result;
+		return status;
+	}
+
+	*h = binding_handle;
+
+	return status;
+}
+
+/* vim: set ts=8 sw=8 noet cindent syntax=c.doxygen: */

source3/rpc_client/cli_winreg_int.h

@@ -0,0 +1,65 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *
+ *  WINREG internal client routines
+ *
+ *  Copyright (c) 2011      Andreas Schneider <asn@samba.org>
+ *
+ *  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/>.
+ */
+
+#ifndef CLI_WINREG_INT_H
+#define CLI_WINREG_INT_H
+
+/*
+ * @brief Connect to the interal winreg server and open the given key.
+ *
+ * The function will create the needed subkeys if they don't exist.
+ *
+ * @param[in]  mem_ctx       The memory context to use.
+ *
+ * @param[in]  server_info   The supplied server info.
+ *
+ * @param[in]  path          The path to the key to open.
+ *
+ * @param[in]  key           The key to open.
+ *
+ * @param[in]  create_key    Set to true if the key should be created if it
+ *                           doesn't exist.
+ *
+ * @param[in]  access_mask   The access mask to open the key.
+ *
+ * @param[out] binding_handle A pointer for the winreg dcerpc binding handle.
+ *
+ * @param[out] hive_handle   A policy handle for the opened hive.
+ *
+ * @param[out] key_handle    A policy handle for the opened key.
+ *
+ * @return                   WERR_OK on success, the corresponding DOS error
+ *                           code if something gone wrong.
+ */
+NTSTATUS dcerpc_winreg_int_hklm_openkey(TALLOC_CTX *mem_ctx,
+					const struct auth_serversupplied_info *server_info,
+					struct messaging_context *msg_ctx,
+					struct dcerpc_binding_handle **h,
+					const char *key,
+					bool create_key,
+					uint32_t access_mask,
+					struct policy_handle *hive_handle,
+					struct policy_handle *key_handle,
+					WERROR *pwerr);
+
+#endif /* CLI_WINREG_INT_H */
+
+/* vim: set ts=8 sw=8 noet cindent syntax=c.doxygen: */