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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BSSL_PKI_IP_UTIL_H_
#define BSSL_PKI_IP_UTIL_H_
#include "fillins/openssl_util.h"
#include "input.h"
namespace bssl {
inline constexpr size_t kIPv4AddressSize = 4;
inline constexpr size_t kIPv6AddressSize = 16;
// Returns whether `mask` is a valid netmask. I.e., whether it is the length of
// an IPv4 or IPv6 address, and is some number of ones, followed by some number
// of zeros.
OPENSSL_EXPORT bool IsValidNetmask(der::Input mask);
// Returns whether `addr1` and `addr2` are equal under the netmask `mask`.
OPENSSL_EXPORT bool IPAddressMatchesWithNetmask(der::Input addr1,
der::Input addr2,
der::Input mask);
} // namespace net
#endif // BSSL_PKI_IP_UTIL_H_