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IPAddress.cpp
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//
// IPAddress.cpp
//
// Library: Net
// Package: NetCore
// Module: IPAddress
//
// Copyright (c) 2005-2011, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Net/IPAddress.h"
#include "Poco/Net/NetException.h"
#include "Poco/RefCountedObject.h"
#include "Poco/NumberFormatter.h"
#include "Poco/BinaryReader.h"
#include "Poco/BinaryWriter.h"
#include "Poco/String.h"
#include "Poco/Types.h"
using Poco::RefCountedObject;
using Poco::NumberFormatter;
using Poco::BinaryReader;
using Poco::BinaryWriter;
using Poco::toLower;
using Poco::trim;
using Poco::UInt8;
using Poco::UInt16;
using Poco::UInt32;
using Poco::Net::Impl::IPAddressImpl;
using Poco::Net::Impl::IPv4AddressImpl;
#if defined(POCO_HAVE_IPv6)
using Poco::Net::Impl::IPv6AddressImpl;
#endif
namespace Poco {
namespace Net {
#if !defined(_MSC_VER) || defined(__STDC__)
// Go home MSVC, you're drunk...
// See http://stackoverflow.com/questions/5899857/multiple-definition-error-for-static-const-class-members
const IPAddress::Family IPAddress::IPv4;
#if defined(POCO_HAVE_IPv6)
const IPAddress::Family IPAddress::IPv6;
#endif
#endif
IPAddress::IPAddress()
{
newIPv4();
}
IPAddress::IPAddress(const IPAddress& addr)
{
if (addr.family() == IPv4)
newIPv4(addr.addr());
#if defined(POCO_HAVE_IPv6)
else
newIPv6(addr.addr(), addr.scope());
#endif
}
IPAddress::IPAddress(Family family)
{
if (family == IPv4)
newIPv4();
#if defined(POCO_HAVE_IPv6)
else if (family == IPv6)
newIPv6();
#endif
else throw Poco::InvalidArgumentException("Invalid or unsupported address family passed to IPAddress()");
}
IPAddress::IPAddress(const std::string& addr)
{
IPv4AddressImpl empty4 = IPv4AddressImpl();
if (addr.empty() || trim(addr) == "0.0.0.0")
{
newIPv4(empty4.addr());
return;
}
IPv4AddressImpl addr4(IPv4AddressImpl::parse(addr));
if (addr4 != empty4)
{
newIPv4(addr4.addr());
return;
}
#if defined(POCO_HAVE_IPv6)
IPv6AddressImpl empty6 = IPv6AddressImpl();
if (addr.empty() || trim(addr) == "::")
{
newIPv6(empty6.addr());
return;
}
IPv6AddressImpl addr6(IPv6AddressImpl::parse(addr));
if (addr6 != IPv6AddressImpl())
{
newIPv6(addr6.addr(), addr6.scope());
return;
}
#endif
throw InvalidAddressException(addr);
}
IPAddress::IPAddress(const std::string& addr, Family family)
{
if (family == IPv4)
{
IPv4AddressImpl addr4(IPv4AddressImpl::parse(addr));
newIPv4(addr4.addr());
return;
}
#if defined(POCO_HAVE_IPv6)
else if (family == IPv6)
{
IPv6AddressImpl addr6(IPv6AddressImpl::parse(addr));
newIPv6(addr6.addr(), addr6.scope());
return;
}
#endif
else throw Poco::InvalidArgumentException("Invalid or unsupported address family passed to IPAddress()");
}
IPAddress::IPAddress(const void* addr, poco_socklen_t length)
{
if (length == sizeof(struct in_addr))
newIPv4(addr);
#if defined(POCO_HAVE_IPv6)
else if (length == sizeof(struct in6_addr))
newIPv6(addr);
#endif
else throw Poco::InvalidArgumentException("Invalid address length passed to IPAddress()");
}
IPAddress::IPAddress(const void* addr, poco_socklen_t length, Poco::UInt32 scope)
{
if (length == sizeof(struct in_addr))
newIPv4(addr);
#if defined(POCO_HAVE_IPv6)
else if (length == sizeof(struct in6_addr))
newIPv6(addr, scope);
#endif
else throw Poco::InvalidArgumentException("Invalid address length passed to IPAddress()");
}
IPAddress::IPAddress(unsigned prefix, Family family)
{
if (family == IPv4)
{
if (prefix <= 32)
newIPv4(prefix);
else
throw Poco::InvalidArgumentException("Invalid prefix length passed to IPAddress()");
}
#if defined(POCO_HAVE_IPv6)
else if (family == IPv6)
{
if (prefix <= 128)
newIPv6(prefix);
else
throw Poco::InvalidArgumentException("Invalid prefix length passed to IPAddress()");
}
#endif
else throw Poco::InvalidArgumentException("Invalid or unsupported address family passed to IPAddress()");
}
#if defined(_WIN32)
IPAddress::IPAddress(const SOCKET_ADDRESS& socket_address)
{
ADDRESS_FAMILY family = socket_address.lpSockaddr->sa_family;
if (family == AF_INET)
newIPv4(&reinterpret_cast<const struct sockaddr_in*>(socket_address.lpSockaddr)->sin_addr);
#if defined(POCO_HAVE_IPv6)
else if (family == AF_INET6)
newIPv6(&reinterpret_cast<const struct sockaddr_in6*>(socket_address.lpSockaddr)->sin6_addr,
reinterpret_cast<const struct sockaddr_in6*>(socket_address.lpSockaddr)->sin6_scope_id);
#endif
else throw Poco::InvalidArgumentException("Invalid or unsupported address family passed to IPAddress()");
}
#endif
IPAddress::IPAddress(const struct sockaddr& sockaddr)
{
unsigned short family = sockaddr.sa_family;
if (family == AF_INET)
newIPv4(&reinterpret_cast<const struct sockaddr_in*>(&sockaddr)->sin_addr);
#if defined(POCO_HAVE_IPv6)
else if (family == AF_INET6)
newIPv6(&reinterpret_cast<const struct sockaddr_in6*>(&sockaddr)->sin6_addr,
reinterpret_cast<const struct sockaddr_in6*>(&sockaddr)->sin6_scope_id);
#endif
else throw Poco::InvalidArgumentException("Invalid or unsupported address family passed to IPAddress()");
}
IPAddress::~IPAddress()
{
destruct();
}
void IPAddress::destruct()
{
pImpl()->~IPAddressImpl();
}
void IPAddress::newIPv4()
{
new (storage()) Poco::Net::Impl::IPv4AddressImpl;
}
void IPAddress::newIPv4(const void* hostAddr)
{
new (storage()) Poco::Net::Impl::IPv4AddressImpl(hostAddr);
}
void IPAddress::newIPv4(unsigned prefix)
{
new (storage()) Poco::Net::Impl::IPv4AddressImpl(prefix);
}
#if defined(POCO_HAVE_IPv6)
void IPAddress::newIPv6()
{
new (storage()) Poco::Net::Impl::IPv6AddressImpl;
}
void IPAddress::newIPv6(const void* hostAddr)
{
new (storage()) Poco::Net::Impl::IPv6AddressImpl(hostAddr);
}
void IPAddress::newIPv6(const void* hostAddr, Poco::UInt32 scope)
{
new (storage()) Poco::Net::Impl::IPv6AddressImpl(hostAddr, scope);
}
void IPAddress::newIPv6(unsigned prefix)
{
new (storage()) Poco::Net::Impl::IPv6AddressImpl(prefix);
}
#endif // POCO_HAVE_IPv6
IPAddress& IPAddress::operator = (const IPAddress& addr)
{
if (&addr != this)
{
destruct();
if (addr.family() == IPAddress::IPv4)
newIPv4(addr.addr());
#if defined(POCO_HAVE_IPv6)
else if (addr.family() == IPAddress::IPv6)
newIPv6(addr.addr(), addr.scope());
#endif
else
throw Poco::InvalidArgumentException("Invalid or unsupported address family");
}
return *this;
}
IPAddress::Family IPAddress::family() const
{
return pImpl()->family();
}
Poco::UInt32 IPAddress::scope() const
{
return pImpl()->scope();
}
std::string IPAddress::toString() const
{
return pImpl()->toString();
}
bool IPAddress::isWildcard() const
{
return pImpl()->isWildcard();
}
bool IPAddress::isBroadcast() const
{
return pImpl()->isBroadcast();
}
bool IPAddress::isLoopback() const
{
return pImpl()->isLoopback();
}
bool IPAddress::isMulticast() const
{
return pImpl()->isMulticast();
}
bool IPAddress::isUnicast() const
{
return !isWildcard() && !isBroadcast() && !isMulticast();
}
bool IPAddress::isLinkLocal() const
{
return pImpl()->isLinkLocal();
}
bool IPAddress::isSiteLocal() const
{
return pImpl()->isSiteLocal();
}
bool IPAddress::isIPv4Compatible() const
{
return pImpl()->isIPv4Compatible();
}
bool IPAddress::isIPv4Mapped() const
{
return pImpl()->isIPv4Mapped();
}
bool IPAddress::isWellKnownMC() const
{
return pImpl()->isWellKnownMC();
}
bool IPAddress::isNodeLocalMC() const
{
return pImpl()->isNodeLocalMC();
}
bool IPAddress::isLinkLocalMC() const
{
return pImpl()->isLinkLocalMC();
}
bool IPAddress::isSiteLocalMC() const
{
return pImpl()->isSiteLocalMC();
}
bool IPAddress::isOrgLocalMC() const
{
return pImpl()->isOrgLocalMC();
}
bool IPAddress::isGlobalMC() const
{
return pImpl()->isGlobalMC();
}
bool IPAddress::operator == (const IPAddress& a) const
{
poco_socklen_t l1 = length();
poco_socklen_t l2 = a.length();
if (l1 == l2)
{
#if defined(POCO_HAVE_IPv6)
if (scope() != a.scope()) return false;
#endif
return std::memcmp(addr(), a.addr(), l1) == 0;
}
else return false;
}
bool IPAddress::operator != (const IPAddress& a) const
{
return !(*this == a);
}
bool IPAddress::operator < (const IPAddress& a) const
{
poco_socklen_t l1 = length();
poco_socklen_t l2 = a.length();
if (l1 == l2)
{
#if defined(POCO_HAVE_IPv6)
if (scope() != a.scope())
return scope() < a.scope();
#endif
return std::memcmp(addr(), a.addr(), l1) < 0;
}
else return l1 < l2;
}
bool IPAddress::operator <= (const IPAddress& a) const
{
return !(a < *this);
}
bool IPAddress::operator > (const IPAddress& a) const
{
return a < *this;
}
bool IPAddress::operator >= (const IPAddress& a) const
{
return !(*this < a);
}
IPAddress IPAddress::operator & (const IPAddress& other) const
{
if (family() == other.family())
{
if (family() == IPv4)
{
IPv4AddressImpl t(pImpl()->addr());
IPv4AddressImpl o(other.pImpl()->addr());
return IPAddress((t & o).addr(), sizeof(struct in_addr));
}
#if defined(POCO_HAVE_IPv6)
else if (family() == IPv6)
{
const IPv6AddressImpl t(pImpl()->addr(), pImpl()->scope());
const IPv6AddressImpl o(other.pImpl()->addr(), other.pImpl()->scope());
const IPv6AddressImpl r = t & o;
return IPAddress(r.addr(), sizeof(struct in6_addr), r.scope());
}
#endif
else throw Poco::InvalidArgumentException("Invalid or unsupported address family passed to IPAddress()");
}
else throw Poco::InvalidArgumentException("Invalid or unsupported address family passed to IPAddress()");
}
IPAddress IPAddress::operator | (const IPAddress& other) const
{
if (family() == other.family())
{
if (family() == IPv4)
{
IPv4AddressImpl t(pImpl()->addr());
IPv4AddressImpl o(other.pImpl()->addr());
return IPAddress((t | o).addr(), sizeof(struct in_addr));
}
#if defined(POCO_HAVE_IPv6)
else if (family() == IPv6)
{
const IPv6AddressImpl t(pImpl()->addr(), pImpl()->scope());
const IPv6AddressImpl o(other.pImpl()->addr(), other.pImpl()->scope());
const IPv6AddressImpl r = t | o;
return IPAddress(r.addr(), sizeof(struct in6_addr), r.scope());
}
#endif
else throw Poco::InvalidArgumentException("Invalid or unsupported address family passed to IPAddress()");
}
else throw Poco::InvalidArgumentException("Invalid or unsupported address family passed to IPAddress()");
}
IPAddress IPAddress::operator ^ (const IPAddress& other) const
{
if (family() == other.family())
{
if (family() == IPv4)
{
IPv4AddressImpl t(pImpl()->addr());
IPv4AddressImpl o(other.pImpl()->addr());
return IPAddress((t ^ o).addr(), sizeof(struct in_addr));
}
#if defined(POCO_HAVE_IPv6)
else if (family() == IPv6)
{
const IPv6AddressImpl t(pImpl()->addr(), pImpl()->scope());
const IPv6AddressImpl o(other.pImpl()->addr(), other.pImpl()->scope());
const IPv6AddressImpl r = t ^ o;
return IPAddress(r.addr(), sizeof(struct in6_addr), r.scope());
}
#endif
else throw Poco::InvalidArgumentException("Invalid or unsupported address family passed to IPAddress()");
}
else throw Poco::InvalidArgumentException("Invalid or unsupported address family passed to IPAddress()");
}
IPAddress IPAddress::operator ~ () const
{
if (family() == IPv4)
{
IPv4AddressImpl self(this->pImpl()->addr());
return IPAddress((~self).addr(), sizeof(struct in_addr));
}
#if defined(POCO_HAVE_IPv6)
else if (family() == IPv6)
{
const IPv6AddressImpl self(pImpl()->addr(), pImpl()->scope());
const IPv6AddressImpl r = ~self;
return IPAddress(r.addr(), sizeof(struct in6_addr), r.scope());
}
#endif
else throw Poco::InvalidArgumentException("Invalid or unsupported address family passed to IPAddress()");
}
poco_socklen_t IPAddress::length() const
{
return pImpl()->length();
}
const void* IPAddress::addr() const
{
return pImpl()->addr();
}
int IPAddress::af() const
{
return pImpl()->af();
}
unsigned IPAddress::prefixLength() const
{
return pImpl()->prefixLength();
}
IPAddress IPAddress::parse(const std::string& addr)
{
return IPAddress(addr);
}
bool IPAddress::tryParse(const std::string& addr, IPAddress& result)
{
IPv4AddressImpl impl4(IPv4AddressImpl::parse(addr));
if (impl4 != IPv4AddressImpl() || trim(addr) == "0.0.0.0")
{
result.newIPv4(impl4.addr());
return true;
}
#if defined(POCO_HAVE_IPv6)
IPv6AddressImpl impl6(IPv6AddressImpl::parse(addr));
if (impl6 != IPv6AddressImpl())
{
result.newIPv6(impl6.addr(), impl6.scope());
return true;
}
#endif
return false;
}
void IPAddress::mask(const IPAddress& mask)
{
IPAddress null;
pImpl()->mask(mask.pImpl(), null.pImpl());
}
void IPAddress::mask(const IPAddress& mask, const IPAddress& set)
{
pImpl()->mask(mask.pImpl(), set.pImpl());
}
IPAddress IPAddress::wildcard(Family family)
{
return IPAddress(family);
}
IPAddress IPAddress::broadcast()
{
struct in_addr ia;
ia.s_addr = INADDR_NONE;
return IPAddress(&ia, sizeof(ia));
}
} } // namespace Poco::Net
Poco::BinaryWriter& operator << (Poco::BinaryWriter& writer, const Poco::Net::IPAddress& value)
{
writer << static_cast<Poco::UInt8>(value.length());
writer.writeRaw(reinterpret_cast<const char*>(value.addr()), value.length());
return writer;
}
Poco::BinaryReader& operator >> (Poco::BinaryReader& reader, Poco::Net::IPAddress& value)
{
char buf[Poco::Net::IPAddress::MAX_ADDRESS_LENGTH];
Poco::UInt8 length;
reader >> length;
reader.readRaw(buf, length);
value = Poco::Net::IPAddress(buf, length);
return reader;
}
std::ostream& operator << (std::ostream& ostr, const Poco::Net::IPAddress& addr)
{
ostr << addr.toString();
return ostr;
}