getSSID.swift

public func getSSID() -> String? {
    let interfaces:CFArray! = CNCopySupportedInterfaces()?.takeUnretainedValue()
    if interfaces == nil { return nil }
    let if0:UnsafePointer<Void>? = CFArrayGetValueAtIndex(interfaces, 0)
    if if0 == nil { return nil }
    let interfaceName:CFStringRef = unsafeBitCast(if0!, CFStringRef.self)
    let dicRef:NSDictionary! = CNCopyCurrentNetworkInfo(interfaceName)?.takeUnretainedValue().__conversion()
    if dicRef == nil { return nil }
    let ssidObj:AnyObject? = dicRef[kCNNetworkInfoKeySSID]
    if ssidObj == nil { return nil }
    return ssidObj! as? String
}