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75 lines
1.9 KiB
75 lines
1.9 KiB
// This is a part of the Microsoft Foundation Classes C++ library.
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// Copyright (C) 1992-1995 Microsoft Corporation
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// All rights reserved.
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//
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// This source code is only intended as a supplement to the
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// Microsoft Foundation Classes Reference and related
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// electronic documentation provided with the library.
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// See these sources for detailed information regarding the
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// Microsoft Foundation Classes product.
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#include "stdafx.h"
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#ifdef AFXCTL_FACT_SEG
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#pragma code_seg(AFXCTL_FACT_SEG)
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#endif
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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#define new DEBUG_NEW
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/////////////////////////////////////////////////////////////////////////////
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// AfxVerifyLicFile - Checks that a license file exists and contains a
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// specific byte pattern.
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BOOL AFXAPI AfxVerifyLicFile(HINSTANCE hInstance, LPCTSTR pszLicFileName,
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LPCOLESTR pszLicFileContents, UINT cch)
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{
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// Assume the worst...
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BOOL bVerified = FALSE;
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// Look for license file in same directory as this DLL.
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TCHAR szPathName[_MAX_PATH];
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::GetModuleFileName(hInstance, szPathName, _MAX_PATH);
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LPTSTR pszFileName = _tcsrchr(szPathName, '\\') + 1;
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lstrcpy(pszFileName, pszLicFileName);
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LPSTR pszKey = NULL;
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LPBYTE pbContent = NULL;
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TRY
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{
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// Open file, read content and compare.
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CFile file(szPathName, CFile::modeRead);
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if (cch == -1)
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cch = wcslen(pszLicFileContents);
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pszKey = (char*)_alloca(cch*2 + 1);
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cch = _wcstombsz(pszKey, pszLicFileContents, cch*2 + 1);
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if (cch != 0)
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{
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--cch; // license file won't contain the terminating null char
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pbContent = (BYTE*)_alloca(cch);
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file.Read(pbContent, cch);
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if (memcmp(pszKey, pbContent, (size_t)cch) == 0)
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bVerified = TRUE;
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}
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}
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END_TRY
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return bVerified;
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}
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/////////////////////////////////////////////////////////////////////////////
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// Force any extra compiler-generated code into AFX_INIT_SEG
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#ifdef AFX_INIT_SEG
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#pragma code_seg(AFX_INIT_SEG)
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#endif
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