| // Copyright 2016 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "authpolicy/policy/policy_encoder_helper.h" |
| |
| #include <string> |
| |
| #include <base/files/file_path.h> |
| #include <base/files/file_util.h> |
| #include <base/strings/string16.h> |
| #include <base/strings/utf_string_conversions.h> |
| #include <base/sys_info.h> |
| #include <components/policy/core/common/policy_load_status.h> |
| #include <components/policy/core/common/registry_dict.h> |
| |
| #include "authpolicy/policy/preg_parser.h" |
| |
| namespace policy { |
| |
| constexpr char kKeyUserDevice[] = "Software\\Policies\\Google\\ChromeOS"; |
| constexpr char kKeyExtensions[] = |
| "Software\\Policies\\Google\\Chrome\\3rdparty\\Extensions"; |
| constexpr char kKeyRecommended[] = "Recommended"; |
| constexpr char kKeyMandatoryExtension[] = "Policy"; |
| |
| bool LoadPRegFile(const base::FilePath& preg_file, |
| const char* registry_key, |
| RegistryDict* dict) { |
| if (!base::PathExists(preg_file)) { |
| LOG(ERROR) << "PReg file '" << preg_file.value() << "' does not exist"; |
| return false; |
| } |
| |
| // Note: Don't use PolicyLoadStatusUmaReporter here, it leaks, see |
| // crbug.com/717888. Simply eat the status and report a less fine-grained |
| // ERROR_PARSE_PREG_FAILED error in authpolicy. It would be possible to get |
| // the load status into authpolicy, but that would require a lot of plumbing |
| // since this code usually runs in a sandboxed process. |
| PolicyLoadStatusSampler status; |
| const base::string16 registry_key_utf16 = base::ASCIIToUTF16(registry_key); |
| if (!preg_parser::ReadFile(preg_file, registry_key_utf16, dict, &status)) { |
| LOG(ERROR) << "Failed to parse preg file '" << preg_file.value() << "'"; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool GetAsBoolean(const base::Value* value, bool* bool_value) { |
| if (value->GetAsBoolean(bool_value)) |
| return true; |
| |
| // Boolean policies are represented as integer 0/1 in the registry. |
| int int_value = 0; |
| if (value->GetAsInteger(&int_value) && (int_value == 0 || int_value == 1)) { |
| *bool_value = int_value != 0; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| bool GetAsInteger(const base::Value* value, int* int_value) { |
| return value->GetAsInteger(int_value); |
| } |
| |
| bool GetAsString(const base::Value* value, std::string* string_value) { |
| return value->GetAsString(string_value); |
| } |
| |
| void PrintConversionError(const base::Value* value, |
| const char* target_type, |
| const char* policy_name, |
| const std::string* index_str) { |
| LOG(ERROR) << "Failed to convert value '" << *value << " of type '" |
| << base::Value::GetTypeName(value->type()) << "'" |
| << " to " << target_type << " for policy '" << policy_name << "'" |
| << (index_str ? " at index " + *index_str : ""); |
| } |
| |
| bool GetAsIntegerInRangeAndPrintError(const base::Value* value, |
| int range_min, |
| int range_max, |
| const char* policy_name, |
| int* int_value) { |
| *int_value = 0; |
| if (!GetAsInteger(value, int_value)) { |
| PrintConversionError(value, "integer", policy_name); |
| return false; |
| } |
| |
| if (*int_value < range_min || *int_value > range_max) { |
| *int_value = 0; |
| LOG(ERROR) << "Value of policy '" << policy_name << "' is " << value |
| << ", outside of expected range [" << range_min << "," |
| << range_max << "]"; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| } // namespace policy |