91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*
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Copyright 2015-2020 Amebis
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Copyright 2016 GÉANT
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This file is part of GÉANTLink.
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GÉANTLink is free software: you can redistribute it and/or modify it
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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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GÉANTLink is distributed in the hope that it will be useful, but
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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 GÉANTLink. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "StdAfx.h"
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#pragma comment(lib, "Msi.lib")
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using namespace std;
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using namespace winstd;
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static int MsiUseFeature()
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{
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int nArgs;
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unique_ptr<LPWSTR[], LocalFree_delete<LPWSTR[]> > pwcArglist(CommandLineToArgvW(GetCommandLineW(), &nArgs));
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if (pwcArglist == NULL) {
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OutputDebugStr(_T("CommandLineToArgvW failed (error %u).\n"), GetLastError());
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return 1;
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}
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if (nArgs < 2) {
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OutputDebugStr(_T("Not enough parameters.\n"));
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return -1;
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}
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// Query the feature state.
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if (MsiQueryFeatureStateW(_L(PRODUCT_VERSION_GUID), pwcArglist[1]) == INSTALLSTATE_UNKNOWN) {
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OutputDebugStr(_T("The product is not installed or feature state is unknown.\n"));
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return 1;
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}
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// Perform the Microsoft Installer's feature completeness check.
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if (MsiUseFeatureW(_L(PRODUCT_VERSION_GUID), pwcArglist[1]) != INSTALLSTATE_LOCAL) {
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OutputDebugStr(_T("The feature is not installed locally.\n"));
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return 2;
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}
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if (nArgs > 2) {
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reg_key key;
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if (!key.open(HKEY_LOCAL_MACHINE, _T("SOFTWARE\\") _T(VENDOR_NAME_STR) _T("\\") _T(PRODUCT_NAME_STR), 0, KEY_READ)) {
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OutputDebugStr(_T("Product registry key cannot be opened (error %u).\n"), GetLastError());
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return 3;
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}
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wstring lang;
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LSTATUS s = RegQueryStringValue(key, _T("Language"), lang);
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if (s != ERROR_SUCCESS) {
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OutputDebugStr(_T("Error reading registry value (error %u).\n"), s);
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return 3;
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}
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if (_wcsicmp(pwcArglist[2], lang.c_str()) != 0) {
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OutputDebugStr(_T("Different language (%ls, %ls).\n"), pwcArglist[2], lang.c_str());
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return 3;
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}
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}
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return 0;
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}
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_Use_decl_annotations_
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int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
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{
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UNREFERENCED_PARAMETER(hInstance);
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UNREFERENCED_PARAMETER(hPrevInstance);
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UNREFERENCED_PARAMETER(lpCmdLine);
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UNREFERENCED_PARAMETER(nCmdShow);
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int res = MsiUseFeature();
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assert(!_CrtDumpMemoryLeaks());
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return res;
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}
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