1 /* 2 * Copyright 2018 Google Inc. 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 "updater.hpp" 18 19 #include "flags.hpp" 20 #include "handler.hpp" 21 #include "status.hpp" 22 #include "tool_errors.hpp" 23 #include "util.hpp" 24 25 #include <algorithm> 26 #include <cstring> 27 #include <ipmiblob/blob_errors.hpp> 28 #include <memory> 29 #include <string> 30 #include <thread> 31 #include <unordered_map> 32 #include <vector> 33 34 namespace host_tool 35 { 36 37 void updaterMain(UpdateHandlerInterface* updater, const std::string& imagePath, 38 const std::string& signaturePath, 39 const std::string& layoutType) 40 { 41 static std::unordered_map<std::string, std::string> typesToBlob = { 42 {"static", ipmi_flash::staticLayoutBlobId}, 43 {"ubitar", ipmi_flash::ubiTarballBlobId}, 44 {"bios", ipmi_flash::biosBlobId}}; 45 /* We know it's one of the above types already. */ 46 auto& layout = typesToBlob[layoutType]; 47 48 bool goalSupported = updater->checkAvailable(layout); 49 if (!goalSupported) 50 { 51 throw ToolException("Goal firmware or interface not supported"); 52 } 53 54 /* Yay, our data handler is supported. */ 55 try 56 { 57 /* Send over the firmware image. */ 58 std::fprintf(stderr, "Sending over the firmware image.\n"); 59 updater->sendFile(layout, imagePath); 60 61 /* Send over the hash contents. */ 62 std::fprintf(stderr, "Sending over the hash file.\n"); 63 updater->sendFile(ipmi_flash::hashBlobId, signaturePath); 64 65 /* Trigger the verification by opening and committing the verify file. 66 */ 67 std::fprintf(stderr, "Opening the verification file\n"); 68 if (updater->verifyFile(ipmi_flash::verifyBlobId)) 69 { 70 std::fprintf(stderr, "succeeded\n"); 71 } 72 else 73 { 74 std::fprintf(stderr, "failed\n"); 75 throw ToolException("Verification failed"); 76 } 77 78 /* Trigger the update by opening and committing the update file. */ 79 std::fprintf(stderr, "Opening the update file\n"); 80 if (updater->verifyFile(ipmi_flash::updateBlobId)) 81 { 82 std::fprintf(stderr, "succeeded\n"); 83 } 84 else 85 { 86 /* Depending on the update mechanism used, this may be 87 * uninteresting. For instance, for the static layout, we use the 88 * reboot update mechanism. Which doesn't always lead to a 89 * successful return before the BMC starts shutting down services. 90 */ 91 std::fprintf(stderr, "failed\n"); 92 throw ToolException("Update failed"); 93 } 94 } 95 catch (...) 96 { 97 updater->cleanArtifacts(); 98 throw; 99 } 100 } 101 102 } // namespace host_tool 103