1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "sync/util/get_session_name_mac.h" 6 7 #import <SystemConfiguration/SCDynamicStoreCopySpecific.h> 8 #include <sys/sysctl.h> 9 10 #include "base/mac/scoped_cftyperef.h" 11 #include "base/strings/string_util.h" 12 #include "base/strings/sys_string_conversions.h" 13 14 namespace syncer { 15 namespace internal { 16 17 std::string GetHardwareModelName() { 18 // Do not use NSHost currentHost, as it's very slow. http://crbug.com/138570 19 SCDynamicStoreContext context = { 0, NULL, NULL, NULL }; 20 base::ScopedCFTypeRef<SCDynamicStoreRef> store(SCDynamicStoreCreate( 21 kCFAllocatorDefault, CFSTR("chrome_sync"), NULL, &context)); 22 base::ScopedCFTypeRef<CFStringRef> machine_name( 23 SCDynamicStoreCopyLocalHostName(store.get())); 24 if (machine_name.get()) 25 return base::SysCFStringRefToUTF8(machine_name.get()); 26 27 // Fall back to get computer name. 28 base::ScopedCFTypeRef<CFStringRef> computer_name( 29 SCDynamicStoreCopyComputerName(store.get(), NULL)); 30 if (computer_name.get()) 31 return base::SysCFStringRefToUTF8(computer_name.get()); 32 33 // If all else fails, return to using a slightly nicer version of the 34 // hardware model. 35 char modelBuffer[256]; 36 size_t length = sizeof(modelBuffer); 37 if (!sysctlbyname("hw.model", modelBuffer, &length, NULL, 0)) { 38 for (size_t i = 0; i < length; i++) { 39 if (IsAsciiDigit(modelBuffer[i])) 40 return std::string(modelBuffer, 0, i); 41 } 42 return std::string(modelBuffer, 0, length); 43 } 44 return "Unknown"; 45 } 46 47 } // namespace internal 48 } // namespace syncer 49
