/* * Copyright (C) 2012-2017 Max Kellermann * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "SocketAddress.hxx" #include "IPv6Address.hxx" #include "util/StringView.hxx" #include #ifdef HAVE_UN #include #endif #ifdef HAVE_TCP #ifdef _WIN32 #include #else #include #endif #endif bool SocketAddress::operator==(SocketAddress other) const noexcept { return size == other.size && memcmp(address, other.address, size) == 0; } #ifdef HAVE_UN StringView SocketAddress::GetLocalRaw() const noexcept { if (IsNull() || GetFamily() != AF_LOCAL) /* not applicable */ return nullptr; const auto sun = (const struct sockaddr_un *)GetAddress(); const auto start = (const char *)sun; const auto path = sun->sun_path; const size_t header_size = path - start; if (size < header_size) /* malformed address */ return nullptr; return {path, size - header_size}; } #endif #ifdef HAVE_TCP bool SocketAddress::IsV6Any() const noexcept { return GetFamily() == AF_INET6 && IPv6Address(*this).IsAny(); } bool SocketAddress::IsV4Mapped() const noexcept { return GetFamily() == AF_INET6 && IPv6Address(*this).IsV4Mapped(); } unsigned SocketAddress::GetPort() const noexcept { if (IsNull()) return 0; switch (GetFamily()) { case AF_INET: return ntohs(((const struct sockaddr_in *)(const void *)address)->sin_port); case AF_INET6: return IPv6Address(*this).GetPort(); default: return 0; } } #endif