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 "tool_errors.hpp" 20 21 #include <algorithm> 22 #include <blobs-ipmid/blobs.hpp> 23 #include <cstring> 24 #include <ipmiblob/blob_errors.hpp> 25 #include <memory> 26 #include <string> 27 28 namespace host_tool 29 { 30 31 void updaterMain(ipmiblob::BlobInterface* blob, DataInterface* handler, 32 const std::string& imagePath, const std::string& signaturePath) 33 { 34 /* TODO(venture): Add optional parameter to specify the flash type, default 35 * to legacy for now. 36 */ 37 std::string goalFirmware = "/flash/image"; 38 39 /* Get list of blob_ids, check for /flash/image, or /flash/tarball. 40 * TODO(venture) the mechanism doesn't care, but the caller of burn_my_bmc 41 * will have in mind which they're sending and we need to verify it's 42 * available and use it. 43 */ 44 std::vector<std::string> blobs = blob->getBlobList(); 45 auto blobInst = std::find_if( 46 blobs.begin(), blobs.end(), [&goalFirmware](const std::string& iter) { 47 /* Running into weird scenarios where the string comparison doesn't 48 * work. TODO: revisit. 49 */ 50 return (0 == std::memcmp(goalFirmware.c_str(), iter.c_str(), 51 goalFirmware.length())); 52 // return (goalFirmware.compare(iter)); 53 }); 54 if (blobInst == blobs.end()) 55 { 56 throw ToolException(goalFirmware + " not found"); 57 } 58 59 /* Call stat on /flash/image (or /flash/tarball) and check if data interface 60 * is supported. 61 */ 62 ipmiblob::StatResponse stat; 63 try 64 { 65 stat = blob->getStat(goalFirmware); 66 } 67 catch (const ipmiblob::BlobException& b) 68 { 69 throw ToolException("blob exception received: " + 70 std::string(b.what())); 71 } 72 73 auto supported = handler->supportedType(); 74 if ((stat.blob_state & supported) == 0) 75 { 76 throw ToolException("data interface selected not supported."); 77 } 78 79 /* Yay, our data handler is supported. */ 80 std::uint16_t session; 81 try 82 { 83 session = blob->openBlob( 84 goalFirmware, 85 static_cast<std::uint16_t>(supported) | 86 static_cast<std::uint16_t>(blobs::OpenFlags::write)); 87 } 88 catch (const ipmiblob::BlobException& b) 89 { 90 throw ToolException("blob exception received: " + 91 std::string(b.what())); 92 } 93 94 /* Send over the firmware image. */ 95 if (!handler->sendContents(imagePath, session)) 96 { 97 /* Need to close the session on failure, or it's stuck open (until the 98 * blob handler timeout is implemented, and even then, why make it wait. 99 */ 100 blob->closeBlob(session); 101 throw ToolException("Failed to send contents of " + imagePath); 102 } 103 104 blob->closeBlob(session); 105 106 /* Send over the hash contents. */ 107 /* Trigger the verification. */ 108 /* Check the verification. */ 109 110 return; 111 } 112 113 } // namespace host_tool 114