1bf58cd64SPatrick Venture /* 2bf58cd64SPatrick Venture * Copyright 2018 Google Inc. 3bf58cd64SPatrick Venture * 4bf58cd64SPatrick Venture * Licensed under the Apache License, Version 2.0 (the "License"); 5bf58cd64SPatrick Venture * you may not use this file except in compliance with the License. 6bf58cd64SPatrick Venture * You may obtain a copy of the License at 7bf58cd64SPatrick Venture * 8bf58cd64SPatrick Venture * http://www.apache.org/licenses/LICENSE-2.0 9bf58cd64SPatrick Venture * 10bf58cd64SPatrick Venture * Unless required by applicable law or agreed to in writing, software 11bf58cd64SPatrick Venture * distributed under the License is distributed on an "AS IS" BASIS, 12bf58cd64SPatrick Venture * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13bf58cd64SPatrick Venture * See the License for the specific language governing permissions and 14bf58cd64SPatrick Venture * limitations under the License. 15bf58cd64SPatrick Venture */ 16bf58cd64SPatrick Venture 17bf58cd64SPatrick Venture #include "updater.hpp" 18bf58cd64SPatrick Venture 190533d0b0SPatrick Venture #include "blob_errors.hpp" 202bc23fe1SPatrick Venture #include "tool_errors.hpp" 210533d0b0SPatrick Venture 2200887597SPatrick Venture #include <algorithm> 23339dece8SPatrick Venture #include <cstring> 24af69625fSPatrick Venture #include <memory> 25*2a927e87SPatrick Venture #include <string> 26af69625fSPatrick Venture 279b534f06SPatrick Venture namespace host_tool 289b534f06SPatrick Venture { 299b534f06SPatrick Venture 302bc23fe1SPatrick Venture void updaterMain(BlobInterface* blob, DataInterface* handler, 3100887597SPatrick Venture const std::string& imagePath, const std::string& signaturePath) 32bf58cd64SPatrick Venture { 33af69625fSPatrick Venture /* TODO(venture): Add optional parameter to specify the flash type, default 34af69625fSPatrick Venture * to legacy for now. 35af69625fSPatrick Venture */ 3600887597SPatrick Venture std::string goalFirmware = "/flash/image"; 3700887597SPatrick Venture 380bf8bf0cSPatrick Venture /* Get list of blob_ids, check for /flash/image, or /flash/tarball. 390bf8bf0cSPatrick Venture * TODO(venture) the mechanism doesn't care, but the caller of burn_my_bmc 400bf8bf0cSPatrick Venture * will have in mind which they're sending and we need to verify it's 410bf8bf0cSPatrick Venture * available and use it. 420bf8bf0cSPatrick Venture */ 4300887597SPatrick Venture std::vector<std::string> blobs = blob->getBlobList(); 44339dece8SPatrick Venture auto blobInst = std::find_if( 45*2a927e87SPatrick Venture blobs.begin(), blobs.end(), [&goalFirmware](const std::string& iter) { 46339dece8SPatrick Venture /* Running into weird scenarios where the string comparison doesn't 47339dece8SPatrick Venture * work. TODO: revisit. 48339dece8SPatrick Venture */ 49339dece8SPatrick Venture return (0 == std::memcmp(goalFirmware.c_str(), iter.c_str(), 50339dece8SPatrick Venture goalFirmware.length())); 51339dece8SPatrick Venture // return (goalFirmware.compare(iter)); 52339dece8SPatrick Venture }); 5300887597SPatrick Venture if (blobInst == blobs.end()) 5400887597SPatrick Venture { 552bc23fe1SPatrick Venture throw ToolException(goalFirmware + " not found"); 5600887597SPatrick Venture } 57af69625fSPatrick Venture 58af69625fSPatrick Venture /* Call stat on /flash/image (or /flash/tarball) and check if data interface 5900887597SPatrick Venture * is supported. 6000887597SPatrick Venture */ 61339dece8SPatrick Venture StatResponse stat; 62339dece8SPatrick Venture try 63339dece8SPatrick Venture { 64339dece8SPatrick Venture stat = blob->getStat(goalFirmware); 65339dece8SPatrick Venture } 66339dece8SPatrick Venture catch (const BlobException& b) 67339dece8SPatrick Venture { 68339dece8SPatrick Venture throw ToolException("blob exception received: " + 69339dece8SPatrick Venture std::string(b.what())); 70339dece8SPatrick Venture } 71339dece8SPatrick Venture 72aa32a36aSPatrick Venture auto supported = handler->supportedType(); 73aa32a36aSPatrick Venture if ((stat.blob_state & supported) == 0) 748a55dcbdSPatrick Venture { 752bc23fe1SPatrick Venture throw ToolException("data interface selected not supported."); 768a55dcbdSPatrick Venture } 77af69625fSPatrick Venture 780533d0b0SPatrick Venture /* Yay, our data handler is supported. */ 790533d0b0SPatrick Venture std::uint16_t session; 800533d0b0SPatrick Venture try 810533d0b0SPatrick Venture { 82aa32a36aSPatrick Venture session = blob->openBlob(goalFirmware, supported); 830533d0b0SPatrick Venture } 840533d0b0SPatrick Venture catch (const BlobException& b) 850533d0b0SPatrick Venture { 862bc23fe1SPatrick Venture throw ToolException("blob exception received: " + 872bc23fe1SPatrick Venture std::string(b.what())); 880533d0b0SPatrick Venture } 890533d0b0SPatrick Venture 90fd6aaec8SPatrick Venture /* Send over the firmware image. */ 91fd6aaec8SPatrick Venture if (!handler->sendContents(imagePath, session)) 92fd6aaec8SPatrick Venture { 93f9566d88SPatrick Venture /* Need to close the session on failure, or it's stuck open (until the 94f9566d88SPatrick Venture * blob handler timeout is implemented, and even then, why make it wait. 95f9566d88SPatrick Venture */ 96f9566d88SPatrick Venture blob->closeBlob(session); 972bc23fe1SPatrick Venture throw ToolException("Failed to send contents of " + imagePath); 98fd6aaec8SPatrick Venture } 99fd6aaec8SPatrick Venture 1009a5ce561SPatrick Venture blob->closeBlob(session); 1019a5ce561SPatrick Venture 102fd6aaec8SPatrick Venture /* Send over the hash contents. */ 103fd6aaec8SPatrick Venture /* Trigger the verification. */ 104fd6aaec8SPatrick Venture /* Check the verification. */ 105fd6aaec8SPatrick Venture 1062bc23fe1SPatrick Venture return; 107bf58cd64SPatrick Venture } 1089b534f06SPatrick Venture 1099b534f06SPatrick Venture } // namespace host_tool 110