145 lines
3.7 KiB
C++
145 lines
3.7 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1996 - 1999
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//
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// File: catutil.cpp
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//
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// Contents: catalog database common functions
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//
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// History: 01-may-2000 reidk created
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//
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//--------------------------------------------------------------------------
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#include "global.hxx"
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#include "catutil.h"
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//---------------------------------------------------------------------------------------
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//
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// CatUtil_CreateCTLContextFromFileName
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//
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//---------------------------------------------------------------------------------------
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BOOL
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CatUtil_CreateCTLContextFromFileName(
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LPCWSTR pwszFileName,
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HANDLE *phMappedFile,
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BYTE **ppbMappedFile,
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PCCTL_CONTEXT *ppCTLContext,
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BOOL fCreateSorted)
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{
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BOOL fRet = TRUE;
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HANDLE hFile = INVALID_HANDLE_VALUE;
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DWORD cbFile = 0;
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HANDLE hMappedFile = NULL;
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BYTE *pbMappedFile = NULL;
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//
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// Initialize out params
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//
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*phMappedFile = NULL;
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*ppbMappedFile = NULL;
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*ppCTLContext = NULL;
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//
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// Open the existing catalog file
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//
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hFile = CreateFileW(
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pwszFileName,
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GENERIC_READ,
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FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL);
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if (hFile == INVALID_HANDLE_VALUE)
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{
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goto ErrorCreateFile;
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}
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cbFile = GetFileSize(hFile, NULL);
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if (cbFile == 0xFFFFFFFF)
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{
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goto ErrorGetFileSize;
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}
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hMappedFile = CreateFileMapping(
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hFile,
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NULL,
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PAGE_READONLY,
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0,
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0,
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NULL);
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if (hMappedFile == NULL)
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{
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goto ErrorCreateFileMapping;
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}
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pbMappedFile = (BYTE *) MapViewOfFile(
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hMappedFile,
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FILE_MAP_READ,
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0,
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0,
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cbFile);
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if (pbMappedFile == NULL)
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{
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goto ErrorMapViewOfFile;
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}
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//
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// Don't need the file handle since we have a mapped file handle
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//
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CloseHandle(hFile);
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hFile = INVALID_HANDLE_VALUE;
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if (NULL == (*ppCTLContext = (PCCTL_CONTEXT)
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CertCreateContext(
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CERT_STORE_CTL_CONTEXT,
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X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
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pbMappedFile,
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cbFile,
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fCreateSorted ?
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CERT_CREATE_CONTEXT_NOCOPY_FLAG | CERT_CREATE_CONTEXT_SORTED_FLAG :
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CERT_CREATE_CONTEXT_NOCOPY_FLAG,
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NULL)))
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{
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goto ErrorCertCreateContect;
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}
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*phMappedFile = hMappedFile;
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*ppbMappedFile = pbMappedFile;
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CommonReturn:
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if (hFile != INVALID_HANDLE_VALUE)
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{
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CloseHandle(hFile);
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}
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return fRet;
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ErrorReturn:
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if (pbMappedFile != NULL)
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{
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UnmapViewOfFile(pbMappedFile);
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}
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if (hMappedFile != NULL)
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{
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CloseHandle(hMappedFile);
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}
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fRet = FALSE;
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goto CommonReturn;
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TRACE_ERROR_EX(DBG_SS_CATDBSVC, ErrorCreateFile)
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TRACE_ERROR_EX(DBG_SS_CATDBSVC, ErrorGetFileSize)
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TRACE_ERROR_EX(DBG_SS_CATDBSVC, ErrorCreateFileMapping)
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TRACE_ERROR_EX(DBG_SS_CATDBSVC, ErrorMapViewOfFile)
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TRACE_ERROR_EX(DBG_SS_CATDBSVC, ErrorCertCreateContect)
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}
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