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// Copyright 2018 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdint.h>
#include <set>
#include <vector>
namespace shill {
class Tethering {
// Modern Android phones in tethering mode provide DHCP option 43 even
// without a DHCP client requesting it. The constant below is the value
// that it provides for this propery.
static const char kAndroidVendorEncapsulatedOptions[];
// This 802.11 BSS prefix is provided by many Android-based devices.
static const uint8_t kAndroidBSSIDPrefix[];
// This OUI is provided in 802.11 vendor IEs by many IOS devices in
// tethering mode.
static const uint32_t kIosOui;
// This bit, if set in the first octet of a MAC address, indicates that
// this address is not assigned by the IEEE, but was generated locally.
static const uint8_t kLocallyAdministratedMacBit;
// Returns whether an 802.11 BSSID is likely to be owned by an Android device.
static bool IsAndroidBSSID(const std::vector<uint8_t>& bssid);
// Returns whether an 802.11 BSSID is a locally-administered address, as
// opposed to a unique IEEE-issued address.
static bool IsLocallyAdministeredBSSID(const std::vector<uint8_t>& bssid);
// Returns whether any of the organizationally unique identifiers in
// |oui_set| is commonly associated with IOS devices.
static bool HasIosOui(const std::set<uint32_t>& oui_set);
} // namespace shill