108 lines
3.8 KiB
C++
108 lines
3.8 KiB
C++
/*
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Copyright 1991-2020 Amebis
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This file is part of MSICA.
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MSICA is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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MSICA is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with MSICA. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "pch.h"
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namespace MSICA {
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////////////////////////////////////////////////////////////////////////////
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// COpFileDelete
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////////////////////////////////////////////////////////////////////////////
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COpFileDelete::COpFileDelete(LPCWSTR pszFileName, int iTicks) :
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COpTypeSingleString(pszFileName, iTicks)
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{
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}
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HRESULT COpFileDelete::Execute(CSession *pSession)
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{
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DWORD dwError;
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if (pSession->m_bRollbackEnabled) {
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std::wstring sBackupName;
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UINT uiCount = 0;
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do {
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// Rename the file to make a backup.
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sprintf(sBackupName, L"%ls (orig %u)", m_sValue.c_str(), ++uiCount);
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dwError = ::MoveFileW(m_sValue.c_str(), sBackupName.c_str()) ? NO_ERROR : ::GetLastError();
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} while (dwError == ERROR_ALREADY_EXISTS);
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if (dwError == NO_ERROR) {
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// Order rollback action to restore from backup copy.
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pSession->m_olRollback.push_front(new COpFileMove(sBackupName.c_str(), m_sValue.c_str()));
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// Order commit action to delete backup copy.
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pSession->m_olCommit.push_back(new COpFileDelete(sBackupName.c_str()));
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}
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} else {
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// Delete the file.
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dwError = ::DeleteFileW(m_sValue.c_str()) ? NO_ERROR : ::GetLastError();
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}
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if (dwError == NO_ERROR || dwError == ERROR_FILE_NOT_FOUND)
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return S_OK;
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else {
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PMSIHANDLE hRecordProg = ::MsiCreateRecord(3);
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::MsiRecordSetInteger(hRecordProg, 1, ERROR_INSTALL_FILE_DELETE);
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::MsiRecordSetStringW(hRecordProg, 2, m_sValue.c_str() );
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::MsiRecordSetInteger(hRecordProg, 3, dwError );
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::MsiProcessMessage(pSession->m_hInstall, INSTALLMESSAGE_ERROR, hRecordProg);
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return HRESULT_FROM_WIN32(dwError);
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}
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}
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////////////////////////////////////////////////////////////////////////////
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// COpFileMove
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////////////////////////////////////////////////////////////////////////////
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COpFileMove::COpFileMove(LPCWSTR pszFileSrc, LPCWSTR pszFileDst, int iTicks) :
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COpTypeSrcDstString(pszFileSrc, pszFileDst, iTicks)
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{
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}
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HRESULT COpFileMove::Execute(CSession *pSession)
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{
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DWORD dwError;
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// Move the file.
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dwError = ::MoveFileW(m_sValue1.c_str(), m_sValue2.c_str()) ? NO_ERROR : ::GetLastError();
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if (dwError == NO_ERROR) {
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if (pSession->m_bRollbackEnabled) {
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// Order rollback action to move it back.
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pSession->m_olRollback.push_front(new COpFileMove(m_sValue2.c_str(), m_sValue1.c_str()));
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}
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return S_OK;
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} else {
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PMSIHANDLE hRecordProg = ::MsiCreateRecord(4);
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::MsiRecordSetInteger(hRecordProg, 1, ERROR_INSTALL_FILE_MOVE);
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::MsiRecordSetStringW(hRecordProg, 2, m_sValue1.c_str() );
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::MsiRecordSetStringW(hRecordProg, 3, m_sValue2.c_str() );
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::MsiRecordSetInteger(hRecordProg, 4, dwError );
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::MsiProcessMessage(pSession->m_hInstall, INSTALLMESSAGE_ERROR, hRecordProg);
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return HRESULT_FROM_WIN32(dwError);
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}
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}
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} // namespace MSICA
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