| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef IDMAP2_LIBIDMAP2_POLICIES_INCLUDE_IDMAP2_POLICIES_H_ |
| #define IDMAP2_LIBIDMAP2_POLICIES_INCLUDE_IDMAP2_POLICIES_H_ |
| |
| #include <array> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "android-base/stringprintf.h" |
| #include "androidfw/ResourceTypes.h" |
| #include "androidfw/StringPiece.h" |
| |
| using android::base::StringPrintf; |
| |
| using PolicyBitmask = android::ResTable_overlayable_policy_header::PolicyBitmask; |
| using PolicyFlags = android::ResTable_overlayable_policy_header::PolicyFlags; |
| |
| namespace android::idmap2::policy { |
| |
| constexpr const char* kPolicyActor = "actor"; |
| constexpr const char* kPolicyOdm = "odm"; |
| constexpr const char* kPolicyOem = "oem"; |
| constexpr const char* kPolicyProduct = "product"; |
| constexpr const char* kPolicyPublic = "public"; |
| constexpr const char* kPolicyConfigSignature = "config_signature"; |
| constexpr const char* kPolicySignature = "signature"; |
| constexpr const char* kPolicySystem = "system"; |
| constexpr const char* kPolicyVendor = "vendor"; |
| |
| inline static const std::array<std::pair<StringPiece, PolicyFlags>, 9> kPolicyStringToFlag = { |
| std::pair{kPolicyActor, PolicyFlags::ACTOR_SIGNATURE}, |
| {kPolicyOdm, PolicyFlags::ODM_PARTITION}, |
| {kPolicyOem, PolicyFlags::OEM_PARTITION}, |
| {kPolicyProduct, PolicyFlags::PRODUCT_PARTITION}, |
| {kPolicyPublic, PolicyFlags::PUBLIC}, |
| {kPolicyConfigSignature, PolicyFlags::CONFIG_SIGNATURE}, |
| {kPolicySignature, PolicyFlags::SIGNATURE}, |
| {kPolicySystem, PolicyFlags::SYSTEM_PARTITION}, |
| {kPolicyVendor, PolicyFlags::VENDOR_PARTITION}, |
| }; |
| |
| inline static std::string PoliciesToDebugString(PolicyBitmask policies) { |
| std::string str; |
| uint32_t remaining = policies; |
| for (auto const& policy : kPolicyStringToFlag) { |
| if ((policies & policy.second) != policy.second) { |
| continue; |
| } |
| if (!str.empty()) { |
| str.append("|"); |
| } |
| str.append(policy.first.data()); |
| remaining &= ~policy.second; |
| } |
| if (remaining != 0) { |
| if (!str.empty()) { |
| str.append("|"); |
| } |
| str.append(StringPrintf("0x%08x", remaining)); |
| } |
| return !str.empty() ? str : "none"; |
| } |
| |
| } // namespace android::idmap2::policy |
| |
| #endif // IDMAP2_LIBIDMAP2_POLICIES_INCLUDE_IDMAP2_POLICIES_H_ |