/**************************************************************************** ** ** Implementation of TQHostAddress class. ** ** Created : 979899 ** ** Copyright (C) 1997-2008 Trolltech ASA. All rights reserved. ** ** This file is part of the network module of the TQt GUI Toolkit. ** ** This file may be used under the terms of the GNU General ** Public License versions 2.0 or 3.0 as published by the Free ** Software Foundation and appearing in the files LICENSE.GPL2 ** and LICENSE.GPL3 included in the packaging of this file. ** Alternatively you may (at your option) use any later version ** of the GNU General Public License if such license has been ** publicly approved by Trolltech ASA (or its successors, if any) ** and the KDE Free TQt Foundation. ** ** Please review the following information to ensure GNU General ** Public Licensing requirements will be met: ** http://trolltech.com/products/qt/licenses/licensing/opensource/. ** If you are unsure which license is appropriate for your use, please ** review the following information: ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview ** or contact the sales department at sales@trolltech.com. ** ** This file may be used under the terms of the Q Public License as ** defined by Trolltech ASA and appearing in the file LICENSE.TQPL ** included in the packaging of this file. Licensees holding valid TQt ** Commercial licenses may use this file in accordance with the TQt ** Commercial License Agreement provided with the Software. ** ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted ** herein. ** **********************************************************************/ #include "ntqhostaddress.h" #include "ntqstringlist.h" #ifndef TQT_NO_NETWORK class TQHostAddressPrivate { public: TQHostAddressPrivate( TQ_UINT32 a_=0 ) : a(a_), isIp4(TRUE) { } TQHostAddressPrivate( TQ_UINT8 *a_ ); TQHostAddressPrivate(const Q_IPV6ADDR &a_); ~TQHostAddressPrivate() { } TQHostAddressPrivate & operator=( const TQHostAddressPrivate &from ) { a = from.a; isIp4 = from.isIp4; a6 = from.a6; return *this; } private: TQ_UINT32 a; // ip 4 address Q_IPV6ADDR a6; // ip 6 address bool isIp4; friend class TQHostAddress; }; TQHostAddressPrivate::TQHostAddressPrivate(TQ_UINT8 *a_) : a(0), isIp4(FALSE) { for ( int i=0; i<16; i++ ) { a6.c[i] = a_[i]; } } TQHostAddressPrivate::TQHostAddressPrivate(const Q_IPV6ADDR &a_) : a(0), isIp4(FALSE) { a6 = a_; } /*! \class TQHostAddress ntqhostaddress.h \brief The TQHostAddress class provides an IP address. \if defined(commercial) It is part of the TQt Enterprise Edition. \endif \ingroup io \module network This class contains an IP address in a platform and protocol independent manner. It stores both IPv4 and IPv6 addresses in a way that you can easily access on any platform. TQHostAddress is normally used with the classes TQSocket, TQServerSocket and TQSocketDevice to set up a server or to connect to a host. Host addresses may be set with setAddress() and retrieved with ip4Addr() or toString(). \sa TQSocket, TQServerSocket, TQSocketDevice */ /*! Creates a host address object with the IP address 0.0.0.0. */ TQHostAddress::TQHostAddress() : d( new TQHostAddressPrivate ) { } /*! Creates a host address object for the IPv4 address \a ip4Addr. */ TQHostAddress::TQHostAddress( TQ_UINT32 ip4Addr ) : d( new TQHostAddressPrivate( ip4Addr ) ) { } /*! Creates a host address object with the specified IPv6 address. \a ip6Addr must be a 16 byte array in network byte order (high-order byte first). */ TQHostAddress::TQHostAddress( TQ_UINT8 *ip6Addr ) : d( new TQHostAddressPrivate( ip6Addr ) ) { } /*! Creates a host address object with the IPv6 address, \a ip6Addr. */ TQHostAddress::TQHostAddress(const Q_IPV6ADDR &ip6Addr) : d(new TQHostAddressPrivate(ip6Addr)) { } // ### DOC: Can only make this public if we specify precisely the // format of the address string. /*! \internal */ TQHostAddress::TQHostAddress(const TQString &address) : d( new TQHostAddressPrivate ) { setAddress( address ); } /*! Creates a copy of \a address. */ TQHostAddress::TQHostAddress( const TQHostAddress &address ) : d( new TQHostAddressPrivate ) { *d = *(address.d); } /*! Destroys the host address object. */ TQHostAddress::~TQHostAddress() { delete d; } /*! Assigns another host address object \a address to this object and returns a reference to this object. */ TQHostAddress & TQHostAddress::operator=( const TQHostAddress & address ) { *d = *(address.d); return *this; } /*! Set the IPv4 address specified by \a ip4Addr. */ void TQHostAddress::setAddress( TQ_UINT32 ip4Addr ) { delete d; d = new TQHostAddressPrivate( ip4Addr ); } /*! \overload Set the IPv6 address specified by \a ip6Addr. \a ip6Addr must be a 16 byte array in network byte order (high-order byte first). */ void TQHostAddress::setAddress( TQ_UINT8 *ip6Addr ) { delete d; d = new TQHostAddressPrivate( ip6Addr ); } #ifndef TQT_NO_STRINGLIST static bool parseIp4(const TQString& address, TQ_UINT32 *addr) { TQStringList ipv4 = TQStringList::split(".", address, FALSE); if (ipv4.count() == 4) { int i = 0; bool ok = TRUE; while(ok && i < 4) { uint byteValue = ipv4[i].toUInt(&ok); if (byteValue > 255) ok = FALSE; if (ok) *addr = (*addr << 8) + byteValue; ++i; } if (ok) return TRUE; } return FALSE; } /*! \overload Sets the IPv4 or IPv6 address specified by the string representation \a address (e.g. "127.0.0.1"). Returns TRUE and sets the address if the address was successfully parsed; otherwise returns FALSE and leaves the address unchanged. */ bool TQHostAddress::setAddress(const TQString& address) { TQString a = address.simplifyWhiteSpace(); // try ipv4 TQ_UINT32 maybeIp4 = 0; if (parseIp4(address, &maybeIp4)) { setAddress(maybeIp4); return TRUE; } // try ipv6 TQStringList ipv6 = TQStringList::split(":", a, TRUE); int count = (int)ipv6.count(); if (count < 3) return FALSE; // there must be at least two ":" if (count > 8) return FALSE; // maximum of seven ":" exceeded TQ_UINT8 maybeIp6[16]; int mc = 16; int fillCount = 9 - count; for (int i=count-1; i>=0; --i) { if ( mc <= 0 ) return FALSE; if (ipv6[i].isEmpty()) { if (i==count-1) { // special case: ":" is last character if (!ipv6[i-1].isEmpty()) return FALSE; maybeIp6[--mc] = 0; maybeIp6[--mc] = 0; } else if (i==0) { // special case: ":" is first character if (!ipv6[i+1].isEmpty()) return FALSE; maybeIp6[--mc] = 0; maybeIp6[--mc] = 0; } else { for (int j=0; j> 8) & 0xff; } else { if (i == count-1) { // parse the ipv4 part of a mixed type if (!parseIp4(ipv6[i], &maybeIp4)) return FALSE; maybeIp6[--mc] = maybeIp4 & 0xff; maybeIp6[--mc] = (maybeIp4 >> 8) & 0xff; maybeIp6[--mc] = (maybeIp4 >> 16) & 0xff; maybeIp6[--mc] = (maybeIp4 >> 24) & 0xff; --fillCount; } else { return FALSE; } } } } if (mc == 0) { setAddress(maybeIp6); return TRUE; } return FALSE; } #endif /*! \obsolete Use isIPv4Address() instead. */ bool TQHostAddress::isIp4Addr() const { return isIPv4Address(); } /*! Returns TRUE if the host address represents an IPv4 address; otherwise returns FALSE. */ bool TQHostAddress::isIPv4Address() const { return d->isIp4; } /*! \obsolete Use toIPv4Address() instead. */ TQ_UINT32 TQHostAddress::ip4Addr() const { return toIPv4Address(); } /*! Returns the IPv4 address as a number. For example, if the address is 127.0.0.1, the returned value is 2130706433 (i.e. 0x7f000001). This value is only valid when isIp4Addr() returns TRUE. \sa toString() */ TQ_UINT32 TQHostAddress::toIPv4Address() const { return d->a; } /*! Returns TRUE if the host address represents an IPv6 address; otherwise returns FALSE. */ bool TQHostAddress::isIPv6Address() const { return !d->isIp4; } /*! Returns the IPv6 address as a Q_IPV6ADDR structure. The structure consists of 16 unsigned characters. \code Q_IPV6ADDR addr = hostAddr.ip6Addr(); // addr.c[] contains 16 unsigned characters for (int i = 0; i < 16; ++i) { // process addr.c[i] } \endcode This value is only valid when isIPv6Address() returns TRUE. \sa toString() */ Q_IPV6ADDR TQHostAddress::toIPv6Address() const { return d->a6; } #ifndef TQT_NO_SPRINTF /*! Returns the address as a string. For example, if the address is the IPv4 address 127.0.0.1, the returned string is "127.0.0.1". \sa ip4Addr() */ TQString TQHostAddress::toString() const { if ( d->isIp4 ) { TQ_UINT32 i = ip4Addr(); TQString s; s.sprintf( "%d.%d.%d.%d", (i>>24) & 0xff, (i>>16) & 0xff, (i >> 8) & 0xff, i & 0xff ); return s; } else { TQ_UINT16 ugle[8]; for ( int i=0; i<8; i++ ) { ugle[i] = ( (TQ_UINT16)( d->a6.c[2*i] ) << 8 ) | ( (TQ_UINT16)( d->a6.c[2*i+1] ) ); } TQString s; s.sprintf( "%X:%X:%X:%X:%X:%X:%X:%X", ugle[0], ugle[1], ugle[2], ugle[3], ugle[4], ugle[5], ugle[6], ugle[7] ); return s; } } #endif /*! Returns TRUE if this host address is the same as \a other; otherwise returns FALSE. */ bool TQHostAddress::operator==( const TQHostAddress & other ) const { return d->a == other.d->a; } /*! Returns TRUE if this host address is null (INADDR_ANY or in6addr_any). The default constructor creates a null address, and that address isn't valid for any particular host or interface. */ bool TQHostAddress::isNull() const { if ( d->isIp4 ) return d->a == 0; int i = 0; while( i < 16 ) { if ( d->a6.c[i++] != 0 ) return FALSE; } return TRUE; } #endif //TQT_NO_NETWORK