//// SvUDIDTools.h// SvUDID//// Created by maple on 8/18/13.// Copyright (c) 2013 maple. All rights reserved.//#import@interface SvUDIDTools : NSObject/* * @brief obtain Unique Device Identity */+ (NSString*)UDID;@end
//// SvUDIDTools.m// SvUDID//// Created by maple on 8/18/13.// Copyright (c) 2013 maple. All rights reserved.//#import "SvUDIDTools.h"#import#include #include #include #include // replace the identity with your company's domainstatic const char kKeychainUDIDItemIdentifier[] = "UUID";static const char kKeyChainUDIDAccessGroup[] = "YOURAPPID.com.cnblogs.smileEvday";@implementation SvUDIDTools+ (NSString*)UDID{ NSString *udid = [SvUDIDTools getUDIDFromKeyChain]; if (!udid) { NSString *sysVersion = [UIDevice currentDevice].systemVersion; CGFloat version = [sysVersion floatValue]; if (version >= 7.0) { udid = [SvUDIDTools _UDID_iOS7]; } else if (version >= 2.0) { udid = [SvUDIDTools _UDID_iOS6]; } [SvUDIDTools settUDIDToKeyChain:udid]; } return udid;}/* * iOS 6.0 * use wifi's mac address */+ (NSString*)_UDID_iOS6{ return [SvUDIDTools getMacAddress];}/* * iOS 7.0 * Starting from iOS 7, the system always returns the value 02:00:00:00:00:00 * when you ask for the MAC address on any device. * use identifierForVendor + keyChain * make sure UDID consistency atfer app delete and reinstall */+ (NSString*)_UDID_iOS7{ return [[UIDevice currentDevice].identifierForVendor UUIDString];}#pragma mark -#pragma mark Helper Method for Get Mac Address// from http://stackoverflow.com/questions/677530/how-can-i-programmatically-get-the-mac-address-of-an-iphone+ (NSString *)getMacAddress{ int mgmtInfoBase[6]; char *msgBuffer = NULL; size_t length; unsigned char macAddress[6]; struct if_msghdr *interfaceMsgStruct; struct sockaddr_dl *socketStruct; NSString *errorFlag = nil; // Setup the management Information Base (mib) mgmtInfoBase[0] = CTL_NET; // Request network subsystem mgmtInfoBase[1] = AF_ROUTE; // Routing table info mgmtInfoBase[2] = 0; mgmtInfoBase[3] = AF_LINK; // Request link layer information mgmtInfoBase[4] = NET_RT_IFLIST; // Request all configured interfaces // With all configured interfaces requested, get handle index if ((mgmtInfoBase[5] = if_nametoindex("en0")) == 0) errorFlag = @"if_nametoindex failure"; else { // Get the size of the data available (store in len) if (sysctl(mgmtInfoBase, 6, NULL, &length, NULL, 0) < 0) errorFlag = @"sysctl mgmtInfoBase failure"; else { // Alloc memory based on above call if ((msgBuffer = malloc(length)) == NULL) errorFlag = @"buffer allocation failure"; else { // Get system information, store in buffer if (sysctl(mgmtInfoBase, 6, msgBuffer, &length, NULL, 0) < 0) errorFlag = @"sysctl msgBuffer failure"; } } } // Befor going any further... if (errorFlag != NULL) { NSLog(@"Error: %@", errorFlag); if (msgBuffer) { free(msgBuffer); } return errorFlag; } // Map msgbuffer to interface message structure interfaceMsgStruct = (struct if_msghdr *) msgBuffer; // Map to link-level socket structure socketStruct = (struct sockaddr_dl *) (interfaceMsgStruct + 1); // Copy link layer address data in socket structure to an array memcpy(&macAddress, socketStruct->sdl_data + socketStruct->sdl_nlen, 6); // Read from char array into a string object, into traditional Mac address format NSString *macAddressString = [NSString stringWithFormat:@"%02X:%02X:%02X:%02X:%02X:%02X", macAddress[0], macAddress[1], macAddress[2], macAddress[3], macAddress[4], macAddress[5]]; NSLog(@"Mac Address: %@", macAddressString); // Release the buffer memory free(msgBuffer); return macAddressString;}#pragma mark -#pragma mark Helper Method for make identityForVendor consistency+ (NSString*)getUDIDFromKeyChain{ NSMutableDictionary *dictForQuery = [[NSMutableDictionary alloc] init]; [dictForQuery setValue:(id)kSecClassGenericPassword forKey:(id)kSecClass]; // set Attr Description for query [dictForQuery setValue:[NSString stringWithUTF8String:kKeychainUDIDItemIdentifier] forKey:kSecAttrDescription]; // set Attr Identity for query NSData *keychainItemID = [NSData dataWithBytes:kKeychainUDIDItemIdentifier length:strlen(kKeychainUDIDItemIdentifier)]; [dictForQuery setObject:keychainItemID forKey:(id)kSecAttrGeneric]; // The keychain access group attribute determines if this item can be shared // amongst multiple apps whose code signing entitlements contain the same keychain access group. NSString *accessGroup = [NSString stringWithUTF8String:kKeyChainUDIDAccessGroup]; if (accessGroup != nil) {#if TARGET_IPHONE_SIMULATOR // Ignore the access group if running on the iPhone simulator. // // Apps that are built for the simulator aren't signed, so there's no keychain access group // for the simulator to check. This means that all apps can see all keychain items when run // on the simulator. // // If a SecItem contains an access group attribute, SecItemAdd and SecItemUpdate on the // simulator will return -25243 (errSecNoAccessForItem).#else [dictForQuery setObject:accessGroup forKey:(id)kSecAttrAccessGroup];#endif } [dictForQuery setValue:(id)kCFBooleanTrue forKey:(id)kSecMatchCaseInsensitive]; [dictForQuery setValue:(id)kSecMatchLimitOne forKey:(id)kSecMatchLimit]; [dictForQuery setValue:(id)kCFBooleanTrue forKey:(id)kSecReturnData]; OSStatus queryErr = noErr; NSData *udidValue = nil; NSString *udid = nil; queryErr = SecItemCopyMatching((CFDictionaryRef)dictForQuery, (CFTypeRef*)&udidValue); NSMutableDictionary *dict = nil; [dictForQuery setValue:(id)kCFBooleanTrue forKey:(id)kSecReturnAttributes]; queryErr = SecItemCopyMatching((CFDictionaryRef)dictForQuery, (CFTypeRef*)&dict); if (queryErr == errSecItemNotFound) { NSLog(@"KeyChain Item: %@ not found!!!", [NSString stringWithUTF8String:kKeychainUDIDItemIdentifier]); } else if (queryErr != errSecSuccess) { NSLog(@"KeyChain Item query Error!!! Error code:%ld", queryErr); } if (queryErr == errSecSuccess) { NSLog(@"KeyChain Item: %@", udidValue); if (udidValue) { udid = [NSString stringWithUTF8String:udidValue.bytes]; [udidValue release]; } [dict release]; } [dictForQuery release]; return udid;}+ (BOOL)settUDIDToKeyChain:(NSString*)udid{ NSMutableDictionary *dictForAdd = [[NSMutableDictionary alloc] init]; [dictForAdd setValue:(id)kSecClassGenericPassword forKey:(id)kSecClass]; [dictForAdd setValue:[NSString stringWithUTF8String:kKeychainUDIDItemIdentifier] forKey:kSecAttrDescription]; [dictForAdd setValue:@"UUID" forKey:(id)kSecAttrGeneric]; // Default attributes for keychain item. [dictForAdd setObject:@"" forKey:(id)kSecAttrAccount]; [dictForAdd setObject:@"" forKey:(id)kSecAttrLabel]; // The keychain access group attribute determines if this item can be shared // amongst multiple apps whose code signing entitlements contain the same keychain access group. NSString *accessGroup = [NSString stringWithUTF8String:kKeyChainUDIDAccessGroup]; if (accessGroup != nil) {#if TARGET_IPHONE_SIMULATOR // Ignore the access group if running on the iPhone simulator. // // Apps that are built for the simulator aren't signed, so there's no keychain access group // for the simulator to check. This means that all apps can see all keychain items when run // on the simulator. // // If a SecItem contains an access group attribute, SecItemAdd and SecItemUpdate on the // simulator will return -25243 (errSecNoAccessForItem).#else [dictForAdd setObject:accessGroup forKey:(id)kSecAttrAccessGroup];#endif } const char *udidStr = [udid UTF8String]; NSData *keyChainItemValue = [NSData dataWithBytes:udidStr length:strlen(udidStr)]; [dictForAdd setValue:keyChainItemValue forKey:(id)kSecValueData]; OSStatus writeErr = noErr; if ([SvUDIDTools getUDIDFromKeyChain]) { // there is item in keychain [SvUDIDTools updateUDIDInKeyChain:udid]; [dictForAdd release]; return YES; } else { // add item to keychain writeErr = SecItemAdd((CFDictionaryRef)dictForAdd, NULL); if (writeErr != errSecSuccess) { NSLog(@"Add KeyChain Item Error!!! Error Code:%ld", writeErr); [dictForAdd release]; return NO; } else { NSLog(@"Add KeyChain Item Success!!!"); [dictForAdd release]; return YES; } } [dictForAdd release]; return NO;}+ (BOOL)removeUDIDFromKeyChain{ NSMutableDictionary *dictToDelete = [[NSMutableDictionary alloc] init]; [dictToDelete setValue:(id)kSecClassGenericPassword forKey:(id)kSecClass]; NSData *keyChainItemID = [NSData dataWithBytes:kKeychainUDIDItemIdentifier length:strlen(kKeychainUDIDItemIdentifier)]; [dictToDelete setValue:keyChainItemID forKey:(id)kSecAttrGeneric]; OSStatus deleteErr = noErr; deleteErr = SecItemDelete((CFDictionaryRef)dictToDelete); if (deleteErr != errSecSuccess) { NSLog(@"delete UUID from KeyChain Error!!! Error code:%ld", deleteErr); [dictToDelete release]; return NO; } else { NSLog(@"delete success!!!"); } [dictToDelete release]; return YES;}+ (BOOL)updateUDIDInKeyChain:(NSString*)newUDID{ NSMutableDictionary *dictForQuery = [[NSMutableDictionary alloc] init]; [dictForQuery setValue:(id)kSecClassGenericPassword forKey:(id)kSecClass]; NSData *keychainItemID = [NSData dataWithBytes:kKeychainUDIDItemIdentifier length:strlen(kKeychainUDIDItemIdentifier)]; [dictForQuery setValue:keychainItemID forKey:(id)kSecAttrGeneric]; [dictForQuery setValue:(id)kCFBooleanTrue forKey:(id)kSecMatchCaseInsensitive]; [dictForQuery setValue:(id)kSecMatchLimitOne forKey:(id)kSecMatchLimit]; [dictForQuery setValue:(id)kCFBooleanTrue forKey:(id)kSecReturnAttributes]; NSDictionary *queryResult = nil; SecItemCopyMatching((CFDictionaryRef)dictForQuery, (CFTypeRef*)&queryResult); if (queryResult) { NSMutableDictionary *dictForUpdate = [[NSMutableDictionary alloc] init]; [dictForUpdate setValue:[NSString stringWithUTF8String:kKeychainUDIDItemIdentifier] forKey:kSecAttrDescription]; [dictForUpdate setValue:keychainItemID forKey:(id)kSecAttrGeneric]; const char *udidStr = [newUDID UTF8String]; NSData *keyChainItemValue = [NSData dataWithBytes:udidStr length:strlen(udidStr)]; [dictForUpdate setValue:keyChainItemValue forKey:(id)kSecValueData]; OSStatus updateErr = noErr; // First we need the attributes from the Keychain. NSMutableDictionary *updateItem = [NSMutableDictionary dictionaryWithDictionary:queryResult]; [queryResult release]; // Second we need to add the appropriate search key/values. // set kSecClass is Very important [updateItem setObject:(id)kSecClassGenericPassword forKey:(id)kSecClass]; updateErr = SecItemUpdate((CFDictionaryRef)updateItem, (CFDictionaryRef)dictForUpdate); if (updateErr != errSecSuccess) { NSLog(@"Update KeyChain Item Error!!! Error Code:%ld", updateErr); [dictForQuery release]; [dictForUpdate release]; return NO; } else { NSLog(@"Update KeyChain Item Success!!!"); [dictForQuery release]; [dictForUpdate release]; return YES; } } [dictForQuery release]; return NO;}@end