1 /** 2 * Copyright © 2017 IBM Corporation 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 #include <algorithm> 18 #include <map> 19 #include <string> 20 #include "util.hpp" 21 22 using namespace std::literals::string_literals; 23 24 template <typename T> struct BusMeetsMSL 25 { 26 std::string path; 27 28 BusMeetsMSL(const std::string& p) : path(p) 29 { 30 } 31 32 auto operator()(const T& arg) 33 { 34 // Query each service hosting 35 // xyz.openbmc_project.Inventory.Decorator.MeetsMinimumShipLevel. 36 37 const auto& busName = arg.first; 38 return util::sdbusplus::getProperty<bool>( 39 busName, path, 40 "xyz.openbmc_project.Inventory." 41 "Decorator.MeetsMinimumShipLevel"s, 42 "MeetsMinimumShipLevel"s); 43 } 44 }; 45 46 template <typename T> struct PathMeetsMSL 47 { 48 auto operator()(const T& arg) 49 { 50 // A given path in the mapper response is composed of 51 // a map of services/interfaces. Validate each service 52 // that hosts the MSL interface meets the MSL. 53 54 const auto& path = arg.first; 55 return std::all_of( 56 arg.second.begin(), arg.second.end(), 57 BusMeetsMSL<typename decltype(arg.second)::value_type>(path)); 58 } 59 }; 60 61 int main(void) 62 { 63 auto mslVerificationRequired = util::sdbusplus::getProperty<bool>( 64 "/xyz/openbmc_project/control/minimum_ship_level_required"s, 65 "xyz.openbmc_project.Control.MinimumShipLevel"s, 66 "MinimumShipLevelRequired"s); 67 68 if (!mslVerificationRequired) 69 { 70 return 0; 71 } 72 73 // Obtain references to all objects hosting 74 // xyz.openbmc_project.Inventory.Decorator.MeetsMinimumShipLevel 75 // with a mapper subtree query. For each object, validate that 76 // the minimum ship level has been met. 77 78 using SubTreeType = 79 std::map<std::string, std::map<std::string, std::vector<std::string>>>; 80 81 auto subtree = util::sdbusplus::callMethodAndRead<SubTreeType>( 82 "xyz.openbmc_project.ObjectMapper"s, 83 "/xyz/openbmc_project/object_mapper"s, 84 "xyz.openbmc_project.ObjectMapper"s, "GetSubTree"s, "/"s, 0, 85 std::vector<std::string>{"xyz.openbmc_project.Inventory" 86 ".Decorator.MeetsMinimumShipLevel"s}); 87 88 auto result = std::all_of(subtree.begin(), subtree.end(), 89 PathMeetsMSL<SubTreeType::value_type>()); 90 91 if (!result) 92 { 93 phosphor::logging::log<phosphor::logging::level::INFO>( 94 "The physical system configuration does not " 95 "satisfy the minimum ship level."); 96 97 return 1; 98 } 99 100 return 0; 101 } 102