Added KDE3 version of kvirc

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kvirc@1095341 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 450 insertions, 0 deletions

diff --git a/src/kvilib/net/kvi_dns.cpp b/src/kvilib/net/kvi_dns.cpp
new file mode 100644
index 0000000..faa2e12
--- /dev/null
+++ b/src/kvilib/net/kvi_dns.cpp
@@ -0,0 +1,450 @@
+//=============================================================================
+//
+//   File : kvi_dns.cpp
+//   Creation date : Sat Jul 21 2000 17:19:31 by Szymon Stefanek
+//
+//   This file is part of the KVirc irc client distribution
+//   Copyright (C) 2000-2007 Szymon Stefanek (pragma at kvirc dot net)
+//
+//   This program is FREE software. You can redistribute it and/or
+//   modify it under the terms of the GNU General Public License
+//   as published by the Free Software Foundation; either version 2
+//   of the License, or (at your opinion) any later version.
+//
+//   This program is distributed in the HOPE that it will be USEFUL,
+//   but WITHOUT ANY WARRANTY; without even the implied warranty of
+//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+//   See the GNU General Public License for more details.
+//
+//   You should have received a copy of the GNU General Public License
+//   along with this program. If not, write to the Free Software Foundation,
+//   Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+//=============================================================================
+#define __KVILIB__
+
+#include "kvi_dns.h"
+#include "kvi_error.h"
+#include "kvi_netutils.h"
+
+#include <errno.h>
+
+#ifdef COMPILE_ON_WINDOWS
+	#include <winsock2.h>
+
+	#ifdef COMPILE_IPV6_SUPPORT
+		#ifdef WIN2K
+			#include <ws2ip6.h>
+		#else
+			#include <ws2tcpip.h>
+			//#include <tpipv6.h>
+		#endif
+	#endif
+#else
+	#include <sys/types.h>
+	#include <sys/socket.h>
+	#include <netdb.h>
+#endif
+
+// this is for FreeBSD
+#ifndef EAI_ADDRFAMILY
+	#define EAI_ADDRFAMILY EAI_FAMILY
+#endif
+
+#ifndef EAI_NODATA
+	#define EAI_NODATA 0
+#endif
+
+
+
+KviDnsResult::KviDnsResult()
+{
+	m_iError = KviError_success;
+	m_pHostnameList = new KviPointerList<QString>;
+	m_pHostnameList->setAutoDelete(true);
+	m_pIpAddressList = new KviPointerList<QString>;
+	m_pIpAddressList->setAutoDelete(true);
+
+}
+
+KviDnsResult::~KviDnsResult()
+{
+	delete m_pHostnameList;
+	delete m_pIpAddressList;
+}
+
+void KviDnsResult::appendHostname(const QString &host)
+{
+	m_pHostnameList->append(new QString(host));
+}
+
+
+void KviDnsResult::appendAddress(const QString &addr)
+{
+	m_pIpAddressList->append(new QString(addr));
+}
+
+
+
+KviDnsThread::KviDnsThread(KviDns * pDns)
+{
+	m_pParentDns = pDns;
+}
+
+KviDnsThread::~KviDnsThread()
+{
+}
+
+int KviDnsThread::translateDnsError(int iErr)
+{
+#if defined(COMPILE_IPV6_SUPPORT) || !defined(COMPILE_ON_WINDOWS)
+
+	switch(iErr)
+	{
+		case EAI_FAMILY:     return KviError_unsupportedAddressFamily; break; 
+#if !defined(COMPILE_ON_WINDOWS) && defined(EAI_ADDRFAMILY) && (EAI_ADDRFAMILY != EAI_FAMILY)
+		case EAI_ADDRFAMILY: return KviError_unsupportedAddressFamily; break;
+#endif
+// NOT FreeBSD ARE WE?
+#if defined(EAI_NODATA) && (EAI_NODATA != EAI_NONAME)
+// YARR
+		case EAI_NODATA:     return KviError_validNameButNoIpAddress; break;
+#endif
+		case EAI_FAIL:       return KviError_unrecoverableNameserverError; break;
+		case EAI_AGAIN:      return KviError_dnsTemporaneousFault; break;
+		// this should never happen
+		case EAI_BADFLAGS:   return KviError_dnsInternalErrorBadFlags; break;
+		case EAI_MEMORY:     return KviError_dnsInternalErrorOutOfMemory; break;
+		// got this when experimenting with protocols
+		case EAI_SERVICE:    return KviError_dnsInternalErrorServiceNotSupported; break;
+#ifndef COMPILE_ON_WINDOWS
+		case EAI_NONAME:     return KviError_dnsNoName; break;
+#endif
+		// got this when experimenting with protocols
+		case EAI_SOCKTYPE:   return KviError_dnsInternalErrorUnsupportedSocketType; break;
+#ifndef COMPILE_ON_WINDOWS
+		case EAI_SYSTEM:     return -errno;
+#endif
+	}
+
+#endif
+	return KviError_dnsQueryFailed;
+}
+
+void KviDnsThread::postDnsError(KviDnsResult * dns,int iErr)
+{
+	dns->setError(iErr);
+	KviThreadDataEvent<KviDnsResult> * e = new KviThreadDataEvent<KviDnsResult>(KVI_DNS_THREAD_EVENT_DATA);
+	e->setData(dns);
+	postEvent(m_pParentDns,e);
+}
+
+void KviDnsThread::run()
+{
+	KviDnsResult * dns = new KviDnsResult();
+
+	dns->setQuery(m_szQuery);
+
+	if(m_szQuery.isEmpty())
+	{
+		postDnsError(dns,KviError_noHostToResolve);
+		return;
+	}
+
+#ifndef COMPILE_IPV6_SUPPORT
+	if(m_queryType != KviDns::IpV4)
+	{
+		if(m_queryType == KviDns::IpV6)
+		{
+			postDnsError(dns,KviError_noIpV6Support);
+			return;
+		}
+		m_queryType = KviDns::IpV4;
+	}
+#endif
+
+#if defined(COMPILE_ON_WINDOWS) && !defined(COMPILE_IPV6_SUPPORT)
+
+	if(m_queryType == KviDns::IpV6)
+	{
+		postDnsError(dns,KviError_noIpV6Support);
+		return;
+	}
+
+	// gethostbyaddr and gethostbyname are thread-safe on Windoze
+	struct in_addr inAddr;
+	struct hostent *pHostEntry = 0;
+
+
+	// DIE DIE!....I hope that this stuff will disappear sooner or later :)
+
+	if(KviNetUtils::stringIpToBinaryIp(m_szQuery,&inAddr))
+	{
+		pHostEntry = gethostbyaddr((const char *)&inAddr,sizeof(inAddr),AF_INET);
+	} else {
+		pHostEntry = gethostbyname(m_szQuery);
+	}
+
+	if(!pHostEntry)
+	{
+		switch(h_errno)
+		{
+			case HOST_NOT_FOUND: dns->setError(KviError_hostNotFound); break;
+			case NO_ADDRESS:     dns->setError(KviError_validNameButNoIpAddress); break;
+			case NO_RECOVERY:    dns->setError(KviError_unrecoverableNameserverError); break;
+			case TRY_AGAIN:      dns->setError(KviError_dnsTemporaneousFault); break;
+			default:             dns->setError(KviError_dnsQueryFailed); break;
+		}
+	} else {
+		dns->appendHostname(pHostEntry->h_name);
+		QString szIp;
+		KviNetUtils::binaryIpToStringIp(* ((struct in_addr*)(pHostEntry->h_addr)),szIp);
+		dns->appendAddress(szIp);
+
+		int idx = 1;
+		while(pHostEntry->h_addr_list[idx])
+		{
+			QString tmp;
+			KviNetUtils::binaryIpToStringIp(* ((struct in_addr*)(pHostEntry->h_addr_list[idx])),tmp);
+			if(tmp.hasData())dns->appendAddress(tmp);
+			++idx;
+		}
+		if(pHostEntry->h_aliases[0])
+		{
+			dns->appendHostname(QString::fromUtf8(pHostEntry->h_aliases[0]));
+			if(pHostEntry->h_aliases[1])dns->appendHostname(QString::fromUtf8(pHostEntry->h_aliases[1]));
+		}
+	}
+
+
+#else //!COMPILE_ON_WINDOWS || COMPILE_IPV6_SUPPORT
+
+	int retVal;
+
+
+//#ifdef HAVE_GETNAMEINFO
+	struct sockaddr_in ipv4Addr;
+
+#ifdef COMPILE_IPV6_SUPPORT
+	struct sockaddr_in6 ipv6Addr;
+	bool bIsIpV6Ip = false;
+#endif
+
+	bool bIsIpV4Ip = KviNetUtils::stringIpToBinaryIp(m_szQuery,(struct in_addr *)&(ipv4Addr.sin_addr));
+
+#ifdef COMPILE_IPV6_SUPPORT
+	if(!bIsIpV4Ip)bIsIpV6Ip = KviNetUtils::stringIpToBinaryIp_V6(m_szQuery,(struct in6_addr *)&(ipv6Addr.sin6_addr));
+#endif
+
+//#ifdef HAVE_GETNAMEINFO
+
+#ifdef COMPILE_IPV6_SUPPORT
+	if(bIsIpV4Ip || bIsIpV6Ip)
+	{
+#else
+	if(bIsIpV4Ip)
+	{
+#endif
+		// use getnameinfo...
+		char retname[1025]; // should be enough....
+
+#ifdef COMPILE_IPV6_SUPPORT
+		if(bIsIpV4Ip)
+		{
+#endif
+			ipv4Addr.sin_family = AF_INET;
+			ipv4Addr.sin_port = 0;
+			// NI_NAMEREQD as last param ?
+			retVal = getnameinfo((struct sockaddr *)&ipv4Addr,sizeof(ipv4Addr),retname,1025,0,0,NI_NAMEREQD);
+#ifdef COMPILE_IPV6_SUPPORT
+		} else {
+			ipv6Addr.sin6_family = AF_INET6;
+			ipv6Addr.sin6_port = 0;
+			retVal = getnameinfo((struct sockaddr *)&ipv6Addr,sizeof(ipv6Addr),retname,1025,0,0,NI_NAMEREQD);
+		}
+#endif
+
+		if(retVal != 0)dns->setError(translateDnsError(retVal));
+		else {
+			dns->appendHostname(retname);
+			dns->appendAddress(m_szQuery);
+		}
+			
+	} else {
+//#endif //HAVE_GETNAMEINFO
+
+
+//#ifdef COMPILE_IPV6_SUPPORT
+//		struct in6_addr in6Addr;
+//#endif
+		struct addrinfo * pRet = 0;
+		struct addrinfo * pNext;
+		struct addrinfo hints;
+		hints.ai_flags     = 0; //AI_CANONNAME; <-- for IPV6 it makes cannoname to point to the IP address!
+#ifdef COMPILE_IPV6_SUPPORT
+		hints.ai_family    = (m_queryType == KviDns::IpV6) ? PF_INET6 : ((m_queryType == KviDns::IpV4) ? PF_INET : PF_UNSPEC);
+#else
+		hints.ai_family    = PF_INET;
+#endif
+		hints.ai_socktype  = SOCK_STREAM;
+		hints.ai_protocol  = 0;
+		hints.ai_addrlen   = 0;
+		hints.ai_canonname = 0;
+		hints.ai_addr      = 0;
+		hints.ai_next      = 0;
+
+		retVal = getaddrinfo(KviQString::toUtf8(m_szQuery).data(),0,&hints,&pRet);
+
+		if(retVal != 0)dns->setError(translateDnsError(retVal));
+		else {
+			dns->appendHostname(pRet->ai_canonname ? QString::fromUtf8(pRet->ai_canonname) : m_szQuery);
+			QString szIp;
+#ifdef COMPILE_IPV6_SUPPORT
+			if(pRet->ai_family == PF_INET6)KviNetUtils::binaryIpToStringIp_V6(((sockaddr_in6 *)(pRet->ai_addr))->sin6_addr,szIp);
+			else {
+#endif
+				KviNetUtils::binaryIpToStringIp(((sockaddr_in *)(pRet->ai_addr))->sin_addr,szIp);
+#ifdef COMPILE_IPV6_SUPPORT
+			}
+#endif
+			dns->appendAddress(szIp);
+
+			pNext = pRet->ai_next;
+			while(pNext)
+			{
+				QString tmp;
+#ifdef COMPILE_IPV6_SUPPORT
+				if(pNext->ai_family == PF_INET6)KviNetUtils::binaryIpToStringIp_V6(((sockaddr_in6 *)(pNext->ai_addr))->sin6_addr,tmp);
+				else {
+#endif
+					KviNetUtils::binaryIpToStringIp(((sockaddr_in *)(pNext->ai_addr))->sin_addr,tmp);
+#ifdef COMPILE_IPV6_SUPPORT
+				}
+#endif
+				if(!tmp.isEmpty())dns->appendAddress(tmp);
+
+				if(pNext->ai_canonname)
+				{
+					// FIXME: only of not equal to other names ?
+					dns->appendHostname(QString::fromUtf8(pNext->ai_canonname));
+				}
+
+				pNext = pNext->ai_next;
+
+			}
+		}
+		if(pRet)freeaddrinfo(pRet);
+//#ifdef HAVE_GETNAMEINFO
+	}
+//#endif //HAVE_GETNAMEINFO
+
+#endif // !COMPILE_ON_WINDOWS
+
+
+	KviThreadDataEvent<KviDnsResult> * e = new KviThreadDataEvent<KviDnsResult>(KVI_DNS_THREAD_EVENT_DATA);
+	e->setData(dns);
+	postEvent(m_pParentDns,e);
+}
+
+
+
+
+KviDns::KviDns()
+: QObject()
+{
+	m_pSlaveThread = new KviDnsThread(this);
+	m_pDnsResult = new KviDnsResult();
+	m_pAuxData = 0;
+	m_state = Idle;
+}
+
+KviDns::~KviDns()
+{
+	if(m_pSlaveThread)delete m_pSlaveThread; // will eventually terminate it (but it will also block us!!!)
+	KviThreadManager::killPendingEvents(this);
+	if(m_pDnsResult)delete m_pDnsResult;
+	if(m_pAuxData)debug("You're leaking memory man! m_pAuxData is non 0!");
+}
+
+
+bool KviDns::isRunning() const
+{
+	return (m_state == Busy);
+};
+
+bool KviDns::lookup(const QString &query,QueryType type)
+{
+	if(m_state == Busy)return false;
+	m_pSlaveThread->setQuery(KviQString::trimmed(query),type);
+	bool bStarted = m_pSlaveThread->start();
+	m_state = bStarted ? Busy : Failure;
+	return bStarted;
+}
+
+int KviDns::error()
+{
+	if(!m_pDnsResult)return KviError_dnsQueryFailed;
+	return m_pDnsResult->error();
+}
+
+KviDnsResult * KviDns::result()
+{
+	if(!m_pDnsResult)m_pDnsResult = new KviDnsResult();
+	return m_pDnsResult;
+}
+
+KviPointerList<QString> * KviDns::hostnameList()
+{
+	return result()->hostnameList();
+}
+
+KviPointerList<QString> * KviDns::ipAddressList()
+{
+	return result()->ipAddressList();
+}
+
+int KviDns::hostnameCount()
+{
+	return result()->hostnameList()->count();
+}
+
+int KviDns::ipAddressCount()
+{
+	return result()->ipAddressList()->count();
+}
+
+const QString & KviDns::firstHostname()
+{
+	QString * pStr = result()->hostnameList()->first();
+	if(pStr)return *pStr;
+	return KviQString::empty;
+}
+
+const QString & KviDns::firstIpAddress()
+{
+	QString * pStr = result()->ipAddressList()->first();
+	if(pStr)return *pStr;
+	return KviQString::empty;
+}
+
+const QString & KviDns::query()
+{
+	return result()->query();
+}
+
+bool KviDns::event(QEvent *e)
+{
+	if(e->type() == KVI_THREAD_EVENT)
+	{
+		if(((KviThreadEvent *)e)->id() == KVI_DNS_THREAD_EVENT_DATA)
+		{
+			if(m_pDnsResult)delete m_pDnsResult;
+			m_pDnsResult = ((KviThreadDataEvent<KviDnsResult> *)e)->getData();
+			m_state = (m_pDnsResult->error() == KviError_success) ? Success : Failure;
+			emit lookupDone(this);
+			return true;
+		} // else ops... unknown thread event ?
+	}
+	return QObject::event(e);
+}
+