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https://github.com/znc/znc.git
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f8178e9bc8
When a user is deleted we didn't properly clean up after it. Active DCC connections (CDCCBounce and CDCCSock) where left laying around and at some later point of time they used their CUser* pointer which now pointed to invalid data. This bug is similar to the one from r1557. Thanks to cnu, our beloved master of destruction, for finding yet another way to make ZNC break and for testing the patch. git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1575 726aef4b-f618-498e-8847-2d620e286838
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
/*
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* Copyright (C) 2004-2009 See the AUTHORS file for details.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#ifndef _DCCSOCK_H
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#define _DCCSOCK_H
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#include "FileUtils.h"
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// Forward Declarations
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class CUser;
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// !Forward Declarations
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class CDCCSock : public CZNCSock {
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public:
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CDCCSock(CUser* pUser, const CString& sRemoteNick, const CString& sLocalFile, const CString& sModuleName, unsigned long uFileSize = 0, CFile* pFile = NULL);
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CDCCSock(CUser* pUser, const CString& sRemoteNick, const CString& sRemoteIP, unsigned short uRemotePort, const CString& sLocalFile, unsigned long uFileSize, const CString& sModuleName);
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virtual ~CDCCSock();
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virtual void ReadData(const char* data, int len);
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virtual void ConnectionRefused();
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virtual void SockError(int iErrno);
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virtual void Timeout();
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virtual void Connected();
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virtual void Disconnected();
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void SendPacket();
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virtual Csock* GetSockObj(const CString& sHost, unsigned short uPort);
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CFile* OpenFile(bool bWrite = true);
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bool Seek(unsigned int uPos) {
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if (m_pFile) {
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if (m_pFile->Seek(uPos)) {
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m_uBytesSoFar = uPos;
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return true;
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}
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}
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return false;
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}
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// Setters
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void SetRemoteIP(const CString& s) { m_sRemoteIP = s; }
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void SetRemoteNick(const CString& s) { m_sRemoteNick = s; }
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void SetFileName(const CString& s) { m_sFileName = s; }
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void SetFileOffset(unsigned long u) { m_uBytesSoFar = u; }
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// !Setters
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// Getters
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unsigned short GetUserPort() const { return m_uRemotePort; }
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const CString& GetRemoteNick() const { return m_sRemoteNick; }
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const CString& GetFileName() const { return m_sFileName; }
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const CString& GetLocalFile() const { return m_sLocalFile; }
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const CString& GetModuleName() const { return m_sModuleName; }
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CFile* GetFile() { return m_pFile; }
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double GetProgress() const { return ((m_uFileSize) && (m_uBytesSoFar)) ? (double) (((double) m_uBytesSoFar / (double) m_uFileSize) *100.0) : 0; }
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//const CString& GetRemoteIP() const { return m_sRemoteIP; }
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// !Getters
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private:
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protected:
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CString m_sRemoteNick;
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CString m_sRemoteIP;
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CString m_sFileName;
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CString m_sLocalFile;
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CString m_sSendBuf;
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CString m_sModuleName;
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unsigned short m_uRemotePort;
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unsigned long m_uFileSize;
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unsigned long m_uBytesSoFar;
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bool m_bSend;
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bool m_bNoDelFile;
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CFile* m_pFile;
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CUser* m_pUser;
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};
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#endif // !_DCCSOCK_H
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