1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_VINTF_RUNTIME_INFO_H 18 #define ANDROID_VINTF_RUNTIME_INFO_H 19 20 #include "Version.h" 21 22 #include <map> 23 #include <string> 24 #include <vector> 25 26 #include <utils/Errors.h> 27 28 #include "DisabledChecks.h" 29 #include "MatrixKernel.h" 30 #include "Version.h" 31 32 namespace android { 33 namespace vintf { 34 35 struct CompatibilityMatrix; 36 37 // Runtime Info sent to OTA server 38 struct RuntimeInfo { 39 RuntimeInfoRuntimeInfo40 RuntimeInfo() {} 41 42 // /proc/version 43 // utsname.sysname 44 const std::string &osName() const; 45 // utsname.nodename 46 const std::string &nodeName() const; 47 // utsname.release 48 const std::string &osRelease() const; 49 // utsname.version 50 const std::string &osVersion() const; 51 // utsname.machine 52 const std::string &hardwareId() const; 53 // extract from utsname.release 54 const KernelVersion &kernelVersion() const; 55 56 const std::map<std::string, std::string> &kernelConfigs() const; 57 58 const Version &bootVbmetaAvbVersion() const; 59 const Version &bootAvbVersion() const; 60 61 // /proc/cpuinfo 62 const std::string &cpuInfo() const; 63 64 // /sys/fs/selinux/policyvers 65 size_t kernelSepolicyVersion() const; 66 67 // Return whether this RuntimeInfo works with the given compatibility matrix. Return true if: 68 // - mat is a framework compat-mat 69 // - sepolicy.kernel-sepolicy-version == kernelSepolicyVersion() 70 // - /proc/config.gz matches the requirements. Note that /proc/config.gz is read when the 71 // RuntimeInfo object is created (the first time VintfObject::GetRuntimeInfo is called), 72 // not when RuntimeInfo::checkCompatibility is called. 73 // - avb-vbmetaversion matches related sysprops 74 bool checkCompatibility(const CompatibilityMatrix& mat, std::string* error = nullptr, 75 DisabledChecks disabledChecks = ENABLE_ALL_CHECKS) const; 76 77 private: 78 friend struct RuntimeInfoFetcher; 79 friend class VintfObject; 80 friend struct LibVintfTest; 81 friend std::string dump(const RuntimeInfo &ki); 82 83 status_t fetchAllInformation(); 84 85 // mKernelVersion = x'.y'.z', minLts = x.y.z, 86 // match if x == x' , y == y' , and z <= z'. 87 bool matchKernelVersion(const KernelVersion& minLts) const; 88 // return true if all kernel configs in matrixConfigs matches. 89 bool matchKernelConfigs(const std::vector<KernelConfig>& matrixConfigs, 90 std::string* error = nullptr) const; 91 92 // /proc/config.gz 93 // Key: CONFIG_xxx; Value: the value after = sign. 94 std::map<std::string, std::string> mKernelConfigs; 95 std::string mOsName; 96 std::string mNodeName; 97 std::string mOsRelease; 98 std::string mOsVersion; 99 std::string mHardwareId; 100 KernelVersion mKernelVersion; 101 102 std::vector<std::string> mSepolicyFilePaths; 103 std::string mCpuInfo; 104 Version mBootVbmetaAvbVersion; 105 Version mBootAvbVersion; 106 107 size_t mKernelSepolicyVersion = 0u; 108 }; 109 110 } // namespace vintf 111 } // namespace android 112 113 #endif // ANDROID_VINTF_RUNTIME_INFO_H 114