ios 10系统 越狱屏蔽检测 主要针对QQ

[ZhaXiDeLe5]

越狱屏蔽检测，或者把正常文件提取出来安装在越狱后的手机上。

[恨鐵不成金]

+(BOOL) isJailbroken
{
#if TARGET_IPHONE_SIMULATOR
    return NO;
#else
    NSFileManager* fileManager = [NSFileManager defaultManager];
    
    // check for some files that will exist on most jailbroken devices
    if ([fileManager fileExistsAtPath:@"/Applications/Cydia.app"] ||
        [fileManager fileExistsAtPath:@"/Library/MobileSubstrate/MobileSubstrate.dylib"] ||
        [fileManager fileExistsAtPath:@"/bin/bash"] ||
        [fileManager fileExistsAtPath:@"/usr/sbin/sshd"] ||
        [fileManager fileExistsAtPath:@"/etc/apt"]) {
        return YES;
    }
    
    // check if we can write to private directories
    BOOL ok = [@"test" writeToFile:@"/private/jailbreak.txt.fiekaoi39fkd39akld" atomically:YES encoding:NSUTF8StringEncoding error:nil];
    if (ok) {
        [fileManager removeItemAtPath:@"/private/jailbreak.txt.fiekaoi39fkd39akld" error:nil];
        return YES;
    }
    
    // check if the device can open cydia urls
    if([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"cydia://package/com.example.package"]]){
        return YES;
    }
    
    return NO;
#endif
}