[转]IOS下如何判断机器是否越狱

static const char* jailbreak_apps[] = 
{ 
        "/Applications/Cydia.app",  
        "/Applications/blackra1n.app", 
        "/Applications/blacksn0w.app", 
        "/Applications/greenpois0n.app",
        "/Applications/limera1n.app",
        "/Applications/redsn0w.app", 
        NULL, 
}; 
 
- (BOOL)isJailBrokeDevice
{ 
        // Check whether the jailbreak apps are installed
        for (int i = 0; jailbreak_apps[i] != NULL; ++i) 
        { 
                if ([[NSFileManager defaultManager] fileExistsAtPath:[NSString 
thUTF8String:jailbreak_apps[i]]]) 
                {
                        return YES; 
                } 
        } 
 
        return NO; 
} 

BOOL
 isJailBreak()

{

int
 res = access(”/var/mobile/Library/AddressBook/AddressBook.sqlitedb”, F_OK);

if
 (res != 0)

return
 NO;

return
 YES;

}