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-rw-r--r--source3/rpc_client/cli_winreg_int.c323
1 files changed, 323 insertions, 0 deletions
diff --git a/source3/rpc_client/cli_winreg_int.c b/source3/rpc_client/cli_winreg_int.c
new file mode 100644
index 0000000..51cd363
--- /dev/null
+++ b/source3/rpc_client/cli_winreg_int.c
@@ -0,0 +1,323 @@
+/*
+ * 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 "include/registry.h"
+#include "librpc/gen_ndr/ndr_winreg_c.h"
+#include "rpc_client/cli_winreg_int.h"
+#include "rpc_server/rpc_ncacn_np.h"
+#include "../lib/tsocket/tsocket.h"
+
+/**
+ * Split path into hive name and subkeyname
+ * normalizations performed:
+ * - if the path contains no '\\' characters,
+ * assume that the legacy format of using '/'
+ * as a separator is used and convert '/' to '\\'
+ * - strip trailing '\\' chars
+ */
+static WERROR _split_hive_key(TALLOC_CTX *mem_ctx,
+ const char *path,
+ char **hivename,
+ char **subkeyname)
+{
+ char *p;
+ const char *tmp_subkeyname;
+
+ if ((path == NULL) || (hivename == NULL) || (subkeyname == NULL)) {
+ return WERR_INVALID_PARAMETER;
+ }
+
+ if (strlen(path) == 0) {
+ return WERR_INVALID_PARAMETER;
+ }
+
+ if (strchr(path, '\\') == NULL) {
+ *hivename = talloc_string_sub(mem_ctx, path, "/", "\\");
+ } else {
+ *hivename = talloc_strdup(mem_ctx, path);
+ }
+
+ if (*hivename == NULL) {
+ return WERR_NOT_ENOUGH_MEMORY;
+ }
+
+ /* strip trailing '\\' chars */
+ p = strrchr(*hivename, '\\');
+ while ((p != NULL) && (p[1] == '\0')) {
+ *p = '\0';
+ p = strrchr(*hivename, '\\');
+ }
+
+ p = strchr(*hivename, '\\');
+
+ if ((p == NULL) || (*p == '\0')) {
+ /* just the hive - no subkey given */
+ tmp_subkeyname = "";
+ } else {
+ *p = '\0';
+ tmp_subkeyname = p+1;
+ }
+ *subkeyname = talloc_strdup(mem_ctx, tmp_subkeyname);
+ if (*subkeyname == NULL) {
+ return WERR_NOT_ENOUGH_MEMORY;
+ }
+
+ return WERR_OK;
+}
+
+static NTSTATUS _winreg_int_openkey(TALLOC_CTX *mem_ctx,
+ const struct auth_session_info *session_info,
+ struct messaging_context *msg_ctx,
+ struct dcerpc_binding_handle **h,
+ uint32_t reg_type,
+ const char *key,
+ bool create_key,
+ uint32_t access_mask,
+ struct policy_handle *hive_handle,
+ struct policy_handle *key_handle,
+ WERROR *pwerr)
+{
+ struct tsocket_address *local;
+ struct dcerpc_binding_handle *binding_handle;
+ struct winreg_String wkey, wkeyclass;
+ NTSTATUS status;
+ WERROR result = WERR_OK;
+ int rc;
+
+ rc = tsocket_address_inet_from_strings(mem_ctx,
+ "ip",
+ "127.0.0.1",
+ 0,
+ &local);
+ if (rc < 0) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = rpcint_binding_handle(mem_ctx,
+ &ndr_table_winreg,
+ local,
+ NULL,
+ session_info,
+ msg_ctx,
+ &binding_handle);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_WARNING("Could not connect to winreg pipe: %s\n",
+ nt_errstr(status));
+ return status;
+ }
+
+ switch (reg_type) {
+ case HKEY_LOCAL_MACHINE:
+ status = dcerpc_winreg_OpenHKLM(binding_handle,
+ mem_ctx,
+ NULL,
+ access_mask,
+ hive_handle,
+ &result);
+ break;
+ case HKEY_CLASSES_ROOT:
+ status = dcerpc_winreg_OpenHKCR(binding_handle,
+ mem_ctx,
+ NULL,
+ access_mask,
+ hive_handle,
+ &result);
+ break;
+ case HKEY_USERS:
+ status = dcerpc_winreg_OpenHKU(binding_handle,
+ mem_ctx,
+ NULL,
+ access_mask,
+ hive_handle,
+ &result);
+ break;
+ case HKEY_CURRENT_USER:
+ status = dcerpc_winreg_OpenHKCU(binding_handle,
+ mem_ctx,
+ NULL,
+ access_mask,
+ hive_handle,
+ &result);
+ break;
+ case HKEY_PERFORMANCE_DATA:
+ status = dcerpc_winreg_OpenHKPD(binding_handle,
+ mem_ctx,
+ NULL,
+ access_mask,
+ hive_handle,
+ &result);
+ break;
+ default:
+ result = WERR_INVALID_PARAMETER;
+ status = NT_STATUS_OK;
+ }
+ 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;
+}
+
+NTSTATUS dcerpc_winreg_int_openkey(TALLOC_CTX *mem_ctx,
+ const struct auth_session_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)
+{
+ char *hivename = NULL;
+ char *subkey = NULL;
+ uint32_t reg_type;
+ WERROR result;
+
+ result = _split_hive_key(mem_ctx, key, &hivename, &subkey);
+ if (!W_ERROR_IS_OK(result)) {
+ *pwerr = result;
+ return NT_STATUS_OK;
+ }
+
+ if (strequal(hivename, "HKLM") ||
+ strequal(hivename, "HKEY_LOCAL_MACHINE")) {
+ reg_type = HKEY_LOCAL_MACHINE;
+ } else if (strequal(hivename, "HKCR") ||
+ strequal(hivename, "HKEY_CLASSES_ROOT")) {
+ reg_type = HKEY_CLASSES_ROOT;
+ } else if (strequal(hivename, "HKU") ||
+ strequal(hivename, "HKEY_USERS")) {
+ reg_type = HKEY_USERS;
+ } else if (strequal(hivename, "HKCU") ||
+ strequal(hivename, "HKEY_CURRENT_USER")) {
+ reg_type = HKEY_CURRENT_USER;
+ } else if (strequal(hivename, "HKPD") ||
+ strequal(hivename, "HKEY_PERFORMANCE_DATA")) {
+ reg_type = HKEY_PERFORMANCE_DATA;
+ } else {
+ DEBUG(10,("dcerpc_winreg_int_openkey: unrecognised hive key %s\n",
+ key));
+ *pwerr = WERR_INVALID_PARAMETER;
+ return NT_STATUS_OK;
+ }
+
+ return _winreg_int_openkey(mem_ctx,
+ server_info,
+ msg_ctx,
+ h,
+ reg_type,
+ key,
+ create_key,
+ access_mask,
+ hive_handle,
+ key_handle,
+ pwerr);
+}
+
+NTSTATUS dcerpc_winreg_int_hklm_openkey(TALLOC_CTX *mem_ctx,
+ const struct auth_session_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)
+{
+ return _winreg_int_openkey(mem_ctx,
+ server_info,
+ msg_ctx,
+ h,
+ HKEY_LOCAL_MACHINE,
+ key,
+ create_key,
+ access_mask,
+ hive_handle,
+ key_handle,
+ pwerr);
+}
+
+/* vim: set ts=8 sw=8 noet cindent syntax=c.doxygen: */
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