diff options
Diffstat (limited to 'src/network/kernel/qhostaddress.cpp')
| -rw-r--r-- | src/network/kernel/qhostaddress.cpp | 114 |
1 files changed, 31 insertions, 83 deletions
diff --git a/src/network/kernel/qhostaddress.cpp b/src/network/kernel/qhostaddress.cpp index a8d3a0bf98..a1adc61c4c 100644 --- a/src/network/kernel/qhostaddress.cpp +++ b/src/network/kernel/qhostaddress.cpp @@ -44,6 +44,7 @@ #include "qdebug.h" #if defined(Q_OS_WIN) # include <winsock2.h> +# include <ws2tcpip.h> #else # include <netinet/in.h> #endif @@ -63,36 +64,6 @@ QT_BEGIN_NAMESPACE -#ifdef Q_OS_WIN -// sockaddr_in6 size changed between old and new SDK -// Only the new version is the correct one, so always -// use this structure. -#if defined(Q_OS_WINRT) -# if !defined(u_char) -# define u_char unsigned char -# endif -# if !defined(u_short) -# define u_short unsigned short -# endif -# if !defined(u_long) -# define u_long unsigned long -# endif -#endif -struct qt_in6_addr { - u_char qt_s6_addr[16]; -}; -typedef struct { - short sin6_family; /* AF_INET6 */ - u_short sin6_port; /* Transport level port number */ - u_long sin6_flowinfo; /* IPv6 flow information */ - struct qt_in6_addr sin6_addr; /* IPv6 address */ - u_long sin6_scope_id; /* set of interfaces for a scope */ -} qt_sockaddr_in6; -#else -#define qt_sockaddr_in6 sockaddr_in6 -#define qt_s6_addr s6_addr -#endif - class QHostAddressPrivate : public QSharedData { @@ -235,18 +206,8 @@ void QHostAddressPrivate::clear() } -bool QNetmaskAddress::setAddress(const QString &address) -{ - d.detach(); - length = -1; - QHostAddress other; - return other.setAddress(address) && setAddress(other); -} - -bool QNetmaskAddress::setAddress(const QHostAddress &address) +bool QNetmask::setAddress(const QHostAddress &address) { - d.detach(); - static const quint8 zeroes[16] = { 0 }; union { quint32 v4; @@ -258,16 +219,13 @@ bool QNetmaskAddress::setAddress(const QHostAddress &address) quint8 *end; length = -1; - QHostAddress::operator=(address); - - if (d->protocol == QAbstractSocket::IPv4Protocol) { - ip.v4 = qToBigEndian(d->a); + if (address.protocol() == QAbstractSocket::IPv4Protocol) { + ip.v4 = qToBigEndian(address.toIPv4Address()); end = ptr + 4; - } else if (d->protocol == QAbstractSocket::IPv6Protocol) { - memcpy(ip.v6, d->a6.c, 16); + } else if (address.protocol() == QAbstractSocket::IPv6Protocol) { + memcpy(ip.v6, address.toIPv6Address().c, 16); end = ptr + 16; } else { - d->clear(); return false; } @@ -279,7 +237,6 @@ bool QNetmaskAddress::setAddress(const QHostAddress &address) continue; default: - d->clear(); return false; // invalid IP-style netmask case 254: @@ -310,10 +267,8 @@ bool QNetmaskAddress::setAddress(const QHostAddress &address) } // confirm that the rest is only zeroes - if (ptr < end && memcmp(ptr + 1, zeroes, end - ptr - 1) != 0) { - d->clear(); + if (ptr < end && memcmp(ptr + 1, zeroes, end - ptr - 1) != 0) return false; - } length = netmask; return true; @@ -333,35 +288,25 @@ static void clearBits(quint8 *where, int start, int end) memset(where + (start + 7) / 8, 0, end / 8 - (start + 7) / 8); } -int QNetmaskAddress::prefixLength() const +QHostAddress QNetmask::address(QAbstractSocket::NetworkLayerProtocol protocol) const { - return length; -} - -void QNetmaskAddress::setPrefixLength(QAbstractSocket::NetworkLayerProtocol proto, int newLength) -{ - d.detach(); - length = newLength; - if (length < 0 || length > (proto == QAbstractSocket::IPv4Protocol ? 32 : - proto == QAbstractSocket::IPv6Protocol ? 128 : -1)) { - // invalid information, reject - d->protocol = QAbstractSocket::UnknownNetworkLayerProtocol; - length = -1; - return; - } - - d->protocol = proto; - if (d->protocol == QAbstractSocket::IPv4Protocol) { - if (length == 0) { - d->a = 0; - } else if (length == 32) { - d->a = quint32(0xffffffff); - } else { - d->a = quint32(0xffffffff) >> (32 - length) << (32 - length); - } + if (length == 255 || protocol == QAbstractSocket::AnyIPProtocol || + protocol == QAbstractSocket::UnknownNetworkLayerProtocol) { + return QHostAddress(); + } else if (protocol == QAbstractSocket::IPv4Protocol) { + quint32 a; + if (length == 0) + a = 0; + else if (length == 32) + a = quint32(0xffffffff); + else + a = quint32(0xffffffff) >> (32 - length) << (32 - length); + return QHostAddress(a); } else { - memset(d->a6.c, 0xFF, sizeof(d->a6)); - clearBits(d->a6.c, length, 128); + Q_IPV6ADDR a6; + memset(a6.c, 0xFF, sizeof(a6)); + clearBits(a6.c, length, 128); + return QHostAddress(a6); } } @@ -495,7 +440,7 @@ QHostAddress::QHostAddress(const struct sockaddr *sockaddr) if (sockaddr->sa_family == AF_INET) setAddress(htonl(((const sockaddr_in *)sockaddr)->sin_addr.s_addr)); else if (sockaddr->sa_family == AF_INET6) - setAddress(((const qt_sockaddr_in6 *)sockaddr)->sin6_addr.qt_s6_addr); + setAddress(((const sockaddr_in6 *)sockaddr)->sin6_addr.s6_addr); #else Q_UNUSED(sockaddr) #endif @@ -675,7 +620,7 @@ void QHostAddress::setAddress(const struct sockaddr *sockaddr) if (sockaddr->sa_family == AF_INET) setAddress(htonl(((const sockaddr_in *)sockaddr)->sin_addr.s_addr)); else if (sockaddr->sa_family == AF_INET6) - setAddress(((const qt_sockaddr_in6 *)sockaddr)->sin6_addr.qt_s6_addr); + setAddress(((const sockaddr_in6 *)sockaddr)->sin6_addr.s6_addr); #else Q_UNUSED(sockaddr) #endif @@ -1133,8 +1078,11 @@ QPair<QHostAddress, int> QHostAddress::parseSubnet(const QString &subnet) // is the netmask given in IP-form or in bit-count form? if (!isIpv6 && subnet.indexOf(QLatin1Char('.'), slash + 1) != -1) { // IP-style, convert it to bit-count form - QNetmaskAddress parser; - if (!parser.setAddress(subnet.mid(slash + 1))) + QHostAddress mask; + QNetmask parser; + if (!mask.setAddress(subnet.mid(slash + 1))) + return invalid; + if (!parser.setAddress(mask)) return invalid; netmask = parser.prefixLength(); } else { |