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// Copyright 2005-2019 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#include "HostAddress.h"
#include "ByteSwap.h"
HostAddress::HostAddress() {
addr[0] = addr[1] = 0ULL;
}
HostAddress::HostAddress(const Q_IPV6ADDR &address) {
memcpy(qip6.c, address.c, 16);
}
HostAddress::HostAddress(const std::string &address) {
if (address.length() != 16)
addr[0] = addr[1] = 0ULL;
else
for (int i=0;i<16;++i)
qip6[i] = address[i];
}
HostAddress::HostAddress(const QByteArray &address) {
if (address.length() != 16)
addr[0] = addr[1] = 0ULL;
else
for (int i=0;i<16;++i)
qip6[i] = address[i];
}
HostAddress::HostAddress(const QHostAddress &address) {
if (address.protocol() == QAbstractSocket::IPv6Protocol) {
const Q_IPV6ADDR &a = address.toIPv6Address();
memcpy(qip6.c, a.c, 16);
} else {
addr[0] = 0ULL;
shorts[4] = 0;
shorts[5] = 0xffff;
hash[3] = htonl(address.toIPv4Address());
}
}
HostAddress::HostAddress(const sockaddr_storage &address) {
if (address.ss_family == AF_INET) {
const struct sockaddr_in *in = reinterpret_cast<const struct sockaddr_in *>(&address);
addr[0] = 0ULL;
shorts[4] = 0;
shorts[5] = 0xffff;
hash[3] = in->sin_addr.s_addr;
} else if (address.ss_family == AF_INET6) {
const struct sockaddr_in6 *in6 = reinterpret_cast<const struct sockaddr_in6 *>(&address);
memcpy(qip6.c, in6->sin6_addr.s6_addr, 16);
} else {
addr[0] = addr[1] = 0ULL;
}
}
bool HostAddress::operator < (const HostAddress &other) const {
return memcmp(qip6.c, other.qip6.c, 16) < 0;
}
bool HostAddress::operator == (const HostAddress &other) const {
return ((addr[0] == other.addr[0]) && (addr[1] == other.addr[1]));
}
bool HostAddress::match(const HostAddress &netmask, int bits) const {
quint64 mask[2];
if (bits == 128) {
mask[0] = mask[1] = 0xffffffffffffffffULL;
} else if (bits > 64) {
mask[0] = 0xffffffffffffffffULL;
mask[1] = SWAP64(~((1ULL << (128-bits)) - 1));
} else {
mask[0] = SWAP64(~((1ULL << (64-bits)) - 1));
mask[1] = 0ULL;
}
return ((addr[0] & mask[0]) == (netmask.addr[0] & mask[0])) && ((addr[1] & mask[1]) == (netmask.addr[1] & mask[1]));
}
std::string HostAddress::toStdString() const {
return std::string(reinterpret_cast<const char *>(qip6.c), 16);
}
bool HostAddress::isV6() const {
return (addr[0] != 0ULL) || (shorts[4] != 0) || (shorts[5] != 0xffff);
}
bool HostAddress::isValid() const {
return (addr[0] != 0ULL) || (addr[1] != 0ULL);
}
QHostAddress HostAddress::toAddress() const {
if (isV6())
return QHostAddress(qip6);
else {
return QHostAddress(ntohl(hash[3]));
}
}
QByteArray HostAddress::toByteArray() const {
return QByteArray(reinterpret_cast<const char *>(qip6.c), 16);
}
void HostAddress::toSockaddr(sockaddr_storage *dst) const {
memset(dst, 0, sizeof(*dst));
if (isV6()) {
struct sockaddr_in6 *in6 = reinterpret_cast<struct sockaddr_in6 *>(dst);
dst->ss_family = AF_INET6;
memcpy(in6->sin6_addr.s6_addr, qip6.c, 16);
} else {
struct sockaddr_in *in = reinterpret_cast<struct sockaddr_in *>(dst);
dst->ss_family = AF_INET;
in->sin_addr.s_addr = hash[3];
}
}
quint32 qHash(const HostAddress &ha) {
return (ha.hash[0] ^ ha.hash[1] ^ ha.hash[2] ^ ha.hash[3]);
}
QString HostAddress::toString() const {
if (isV6()) {
if (isValid()) {
QString qs;
qs.sprintf("[%x:%x:%x:%x:%x:%x:%x:%x]", ntohs(shorts[0]), ntohs(shorts[1]), ntohs(shorts[2]), ntohs(shorts[3]), ntohs(shorts[4]), ntohs(shorts[5]), ntohs(shorts[6]), ntohs(shorts[7]));
return qs.replace(QRegExp(QLatin1String("(:0)+")),QLatin1String(":"));
} else {
return QLatin1String("[::]");
}
} else {
return QHostAddress(ntohl(hash[3])).toString();
}
}
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