911 lines
23 KiB
C++
911 lines
23 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: mscatctl.cpp
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//
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// Contents: Microsoft Internet Security Catalog Utilities
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// implements the Certificate Trust List & persistent storage
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//
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// Functions: CatalogLoadFileData
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// CatalogSaveP7UData
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// CatalogSaveP7SData
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// IsCatalogFile
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//
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// *** local functions ***
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// CatalogLoadData
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// CatalogFillCatStore
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// CatalogFillCTL
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// CatalogFillCTLAttr
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// CatalogFreeCTL
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// CatalogFreeCTLAttr
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// CatalogFillCatMember
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// CatalogFillMemAttr
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// CatalogFillCatAttr
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// CatalogFillCatLevelAttr
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//
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// History: 05-May-1997 pberkman created
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//
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//--------------------------------------------------------------------------
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#include "global.hxx"
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#include "mscat32.h"
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//
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// for each member, we have at minimum two authenticated attributes.
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// 1 = Indirect Data
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// 2 = Subject Guid
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//
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#define CAT_RESERVE_CTL_ATTR 2
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// WARNING: this function allocates pbData -- you must delete!
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BOOL CatalogLoadData(WCHAR *pwszCatFile, DWORD *cbData, BYTE **pbData);
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BOOL CatalogFillCatStore(CRYPTCATSTORE *pCat, PCTL_INFO pCTLInfo);
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BOOL CatalogFreeCTL(CTL_INFO *pCTL);
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BOOL CatalogFreeCTLAttr(CRYPT_ATTRIBUTE *pCryptAttr);
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BOOL CatalogFillCTL(CRYPTCATSTORE *pCat, CTL_INFO *pCTL);
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BOOL CatalogFillCatAttr(CRYPTCATSTORE *pCat, CERT_EXTENSION *pAttr);
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BOOL CatalogFillCatLevelAttr(CRYPTCATSTORE *pCatStore, CRYPTCATATTRIBUTE *pAttr,
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CERT_EXTENSION *pCertAttr);
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BOOL CatalogFillCTLAttr(CRYPTCATSTORE *pCatStore, CRYPTCATATTRIBUTE *pAttr,
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PCRYPT_ATTRIBUTE pCryptAttr);
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CRYPTCATMEMBER *CatalogFillCatMember(CRYPTCATSTORE *pCat, CTL_ENTRY *pEntry);
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BOOL CatalogFillMemAttr(CRYPTCATSTORE *pCat, CRYPTCATMEMBER *pMember, CRYPT_ATTRIBUTE *pAttr);
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static const char *pszOID = szOID_CATALOG_LIST;
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BOOL CatalogLoadFileData(CRYPTCATSTORE *pCat)
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{
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BOOL fRet;
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DWORD cbData;
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BYTE *pbData;
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cbData = 0;
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pbData = NULL;
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if (!(CatalogLoadData(pCat->pwszP7File, &cbData, &pbData)))
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{
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return(FALSE);
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}
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if (cbData < 1)
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{
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if (pbData)
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{
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UnmapViewOfFile(pbData);
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}
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//
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// not signed and we are probably creating it!
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//
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return(TRUE);
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}
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PCCTL_CONTEXT pCTLContext;
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pCTLContext = (PCCTL_CONTEXT) CertCreateContext(
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CERT_STORE_CTL_CONTEXT,
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pCat->dwEncodingType,
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pbData,
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cbData,
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CERT_CREATE_CONTEXT_NOCOPY_FLAG |
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CERT_CREATE_CONTEXT_NO_HCRYPTMSG_FLAG,
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NULL // pCreatePara
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);
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if (pCTLContext)
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{
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//
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// got it... fill our arrays!
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//
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fRet = CatalogFillCatStore(pCat, pCTLContext->pCtlInfo);
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CertFreeCTLContext(pCTLContext);
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} else
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fRet = FALSE;
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UnmapViewOfFile(pbData);
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return(fRet);
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}
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BOOL CatalogSaveP7SData(CRYPTCATSTORE *pCat, CTL_CONTEXT *pCTLContext)
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{
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assert(0); // should never be called!
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return(TRUE);
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}
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BOOL CatalogSaveP7UData(CRYPTCATSTORE *pCat)
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{
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CMSG_SIGNED_ENCODE_INFO sSignInfo;
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CTL_INFO sCTLInfo;
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DWORD cbEncoded;
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BYTE *pbEncoded;
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Stack_ *pStack;
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//
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// sort the data...
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//
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if (pCat->hReserved) // member stack_
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{
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pStack = (Stack_ *)pCat->hReserved;
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pStack->Sort(WVT_OFFSETOF(CRYPTCATMEMBER, pwszReferenceTag), sizeof(WCHAR *), STACK_SORTTYPE_PWSZ);
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}
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memset(&sSignInfo, 0x00, sizeof(CMSG_SIGNED_ENCODE_INFO));
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sSignInfo.cbSize = sizeof(CMSG_SIGNED_ENCODE_INFO);
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if (CatalogFillCTL(pCat, &sCTLInfo))
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{
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cbEncoded = 0;
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CryptMsgEncodeAndSignCTL( pCat->dwEncodingType,
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&sCTLInfo,
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&sSignInfo,
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0,
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NULL,
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&cbEncoded);
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if (cbEncoded > 0)
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{
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BOOL fRet;
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if (!(pbEncoded = (BYTE *)CatalogNew(cbEncoded)))
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{
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CatalogFreeCTL(&sCTLInfo);
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return(FALSE);
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}
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fRet = CryptMsgEncodeAndSignCTL( pCat->dwEncodingType,
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&sCTLInfo,
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&sSignInfo,
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0,
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pbEncoded,
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&cbEncoded);
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CatalogFreeCTL(&sCTLInfo);
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if (fRet)
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{
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HANDLE hFile;
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DWORD lErr;
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lErr = GetLastError();
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if ((hFile = CreateFileU(pCat->pwszP7File,
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GENERIC_WRITE | GENERIC_READ,
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0, // no sharing!!
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NULL,
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CREATE_ALWAYS,
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FILE_ATTRIBUTE_NORMAL,
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NULL)) != INVALID_HANDLE_VALUE)
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{
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DWORD cbWritten;
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if (!(WriteFile(hFile, pbEncoded, cbEncoded, &cbWritten, NULL)) ||
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(cbEncoded != cbWritten))
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{
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fRet = FALSE;
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}
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CloseHandle(hFile);
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if (fRet)
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{
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SetLastError(lErr);
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}
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}
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}
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delete pbEncoded;
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return(fRet);
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}
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CatalogFreeCTL(&sCTLInfo);
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}
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return(FALSE);
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}
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BOOL CatalogLoadData(WCHAR *pwszCatFile, DWORD *cbData, BYTE **pbData)
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{
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HANDLE hFile;
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*cbData = 0;
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if ((hFile = CreateFileU(pwszCatFile,
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GENERIC_READ,
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FILE_SHARE_READ,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,
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NULL)) == INVALID_HANDLE_VALUE)
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{
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return(FALSE);
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}
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if ((*cbData = GetFileSize(hFile, NULL)) == 0xffffffff)
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{
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*cbData = 0;
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CloseHandle(hFile);
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return(FALSE);
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}
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if (*cbData < 10)
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{
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//
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// just created file....
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//
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*cbData = 0;
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CloseHandle(hFile);
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return(TRUE);
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}
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HANDLE hMappedFile;
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hMappedFile = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
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if (!(hMappedFile) || (hMappedFile == INVALID_HANDLE_VALUE))
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{
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*cbData = 0;
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CloseHandle(hFile);
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return(FALSE);
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}
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*pbData = (BYTE *)MapViewOfFile(hMappedFile, FILE_MAP_READ, 0, 0, 0);
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CloseHandle(hMappedFile);
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CloseHandle(hFile);
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if ((*pbData) == NULL)
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{
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return(FALSE);
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}
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return(TRUE);
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}
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BOOL CatalogFillCatStore(CRYPTCATSTORE *pCat, CTL_INFO *pCTL)
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{
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int iAttr;
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if (pCTL->cCTLEntry > 0)
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{
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for (iAttr = 0; iAttr < (int)pCTL->cExtension; iAttr++)
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{
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if (!(CatalogFillCatAttr(pCat, &pCTL->rgExtension[iAttr])))
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{
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return(FALSE);
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}
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}
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CRYPTCATMEMBER *pMember;
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for (int iEntry = 0; iEntry < (int)pCTL->cCTLEntry; iEntry++)
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{
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pMember = CatalogFillCatMember(pCat, &pCTL->rgCTLEntry[iEntry]);
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if (!(pMember))
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{
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return(FALSE);
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}
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if (pCTL->rgCTLEntry[iEntry].cAttribute > 0)
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{
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for (iAttr = 0; iAttr < (int)pCTL->rgCTLEntry[iEntry].cAttribute; iAttr++)
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{
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if (!(CatalogFillMemAttr(pCat, pMember,
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&pCTL->rgCTLEntry[iEntry].rgAttribute[iAttr])))
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{
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return(FALSE);
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}
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}
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}
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}
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return(TRUE);
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}
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return(TRUE);
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}
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CRYPTCATMEMBER *CatalogFillCatMember(CRYPTCATSTORE *pCat, CTL_ENTRY *pEntry)
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{
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if (!(pEntry))
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{
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return(NULL);
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}
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Stack_ *pStack;
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CRYPTCATMEMBER *pCatMember;
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if (!(pCat->hReserved))
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{
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pStack = new Stack_(&MSCAT_CriticalSection);
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if (!(pStack))
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{
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assert(0);
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return(NULL);
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}
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pCat->hReserved = (HANDLE)pStack;
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}
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pStack = (Stack_ *)pCat->hReserved;
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if (!(pCatMember = (CRYPTCATMEMBER *)pStack->Add(sizeof(CRYPTCATMEMBER))))
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{
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return(NULL);
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}
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memset(pCatMember, 0x00, sizeof(CRYPTCATMEMBER));
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pCatMember->cbStruct = sizeof(CRYPTCATMEMBER);
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// pwszFileName
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// pwszReferenceTag
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if (!(pCatMember->pwszReferenceTag = (LPWSTR)CatalogNew(pEntry->SubjectIdentifier.cbData)))
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{
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return(NULL);
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}
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memcpy(pCatMember->pwszReferenceTag, pEntry->SubjectIdentifier.pbData,
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pEntry->SubjectIdentifier.cbData);
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// pIndirectData (will be filled in while getting attributes!
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// gSubjectType (will be filled in while getting attributes!
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return(pCatMember);
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}
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BOOL CatalogFillCatAttr(CRYPTCATSTORE *pCat, CERT_EXTENSION *pAttr)
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{
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if (!(pAttr))
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{
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return(FALSE);
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}
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Stack_ *pStack;
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CRYPTCATATTRIBUTE *pCatAttr;
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if (!(pCat->hAttrs))
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{
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pStack = new Stack_(&MSCAT_CriticalSection);
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if (!(pStack))
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{
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return(FALSE);
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}
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pCat->hAttrs = (HANDLE)pStack;
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}
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pStack = (Stack_ *)pCat->hAttrs;
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if (!(pCatAttr = (CRYPTCATATTRIBUTE *)pStack->Add(sizeof(CRYPTCATATTRIBUTE))))
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{
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return(FALSE);
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}
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memset(pCatAttr, 0x00, sizeof(CRYPTCATATTRIBUTE));
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pCatAttr->cbStruct = sizeof(CRYPTCATATTRIBUTE);
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CRYPT_ATTRIBUTE sCryptAttr;
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CatalogCertExt2CryptAttr(pAttr, &sCryptAttr);
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if (!(CatalogDecodeNameValue(pCat, &sCryptAttr, pCatAttr)))
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{
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return(FALSE);
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}
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return(TRUE);
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}
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BOOL CatalogFillMemAttr(CRYPTCATSTORE *pCat, CRYPTCATMEMBER *pMember, CRYPT_ATTRIBUTE *pAttr)
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{
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if (!(pAttr))
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{
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return(FALSE);
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}
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if (strcmp(pAttr->pszObjId, SPC_INDIRECT_DATA_OBJID) == 0)
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{
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return(CatalogDecodeIndirectData(pCat, pMember, pAttr));
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}
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if (strcmp(pAttr->pszObjId, CAT_MEMBERINFO_OBJID) == 0)
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{
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return(CatalogDecodeMemberInfo(pCat, pMember, pAttr));
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}
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Stack_ *pStack;
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CRYPTCATATTRIBUTE *pCatAttr;
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if (!(pMember->hReserved))
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{
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pStack = new Stack_(&MSCAT_CriticalSection);
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if (!(pStack))
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{
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assert(0);
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return(FALSE);
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}
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pMember->hReserved = (HANDLE)pStack;
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}
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pStack = (Stack_ *)pMember->hReserved;
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if (!(pCatAttr = (CRYPTCATATTRIBUTE *)pStack->Add(sizeof(CRYPTCATATTRIBUTE))))
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{
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return(FALSE);
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}
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memset(pCatAttr, 0x00, sizeof(CRYPTCATATTRIBUTE));
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pCatAttr->cbStruct = sizeof(CRYPTCATATTRIBUTE);
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if (!(CatalogDecodeNameValue(pCat, pAttr, pCatAttr)))
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{
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return(FALSE);
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}
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return(TRUE);
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}
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BOOL CatalogFillCTL(CRYPTCATSTORE *pCat, CTL_INFO *pCTL)
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{
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typedef HRESULT (WINAPI *pfnCoCreateGuid)(GUID FAR *pguid);
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HINSTANCE hOLE;
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pfnCoCreateGuid pfnCreateGuid;
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memset(pCTL, 0x00, sizeof(CTL_INFO));
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// dwVersion
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pCTL->dwVersion = CTL_V1;
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// SubjectUsage
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pCTL->SubjectUsage.cUsageIdentifier = 1;
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pCTL->SubjectUsage.rgpszUsageIdentifier = (char **)&pszOID;
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// ListIdentifier
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if (hOLE = LoadLibraryA("OLE32.DLL"))
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{
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if (pfnCreateGuid = (pfnCoCreateGuid)GetProcAddress(hOLE, "CoCreateGuid"))
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{
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if (pCTL->ListIdentifier.pbData = (BYTE *)CatalogNew(sizeof(GUID)))
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{
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pCTL->ListIdentifier.cbData = sizeof(GUID);
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(*pfnCreateGuid)((GUID *)pCTL->ListIdentifier.pbData);
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}
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}
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FreeLibrary(hOLE);
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}
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// SequenceNumber
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// optional!
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// ThisUpdate
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GetSystemTimeAsFileTime(&pCTL->ThisUpdate);
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// NextUpdate
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// optional!
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// SubjectAlgorithm
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pCTL->SubjectAlgorithm.pszObjId = szOID_CATALOG_LIST_MEMBER;
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Stack_ *pStackMember;
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Stack_ *pStackAttr;
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CRYPTCATMEMBER *pMember;
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CRYPTCATATTRIBUTE *pAttr;
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DWORD dwAttr;
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// cCTLEntry & rgCTLEntry
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if (pCat->hReserved)
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{
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pStackMember = (Stack_ *)pCat->hReserved;
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// cCTLEntry
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pCTL->cCTLEntry = pStackMember->Count();
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if (pCTL->cCTLEntry > 0)
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{
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if (!(pCTL->rgCTLEntry = (PCTL_ENTRY)CatalogNew(sizeof(CTL_ENTRY) *
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pStackMember->Count())))
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{
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return(FALSE);
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}
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memset(pCTL->rgCTLEntry, 0x00, sizeof(CTL_ENTRY) * pStackMember->Count());
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}
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DWORD dwMember;
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DWORD dwSize;
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CTL_ENTRY *pCTLEntry;
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//
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// copy the members to the ctl_entry
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//
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dwMember = 0;
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while (dwMember < pStackMember->Count())
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{
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if (!(pMember = (CRYPTCATMEMBER *)pStackMember->Get(dwMember)))
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{
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return(FALSE);
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}
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//
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// Subject Identifier
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//
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dwSize = (wcslen(pMember->pwszReferenceTag) + 1) * sizeof(WCHAR);
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pCTLEntry = &pCTL->rgCTLEntry[dwMember];
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if (!(pCTLEntry->SubjectIdentifier.pbData =
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(BYTE *)CatalogNew(dwSize)))
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{
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return(FALSE);
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}
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memcpy(pCTLEntry->SubjectIdentifier.pbData,
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pMember->pwszReferenceTag,dwSize);
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pCTLEntry->SubjectIdentifier.cbData = dwSize;
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//
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// rgAttribute
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// +1 for Indirect Data
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// +1 for Subject Guid
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//
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if (pMember->hReserved)
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{
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pStackAttr = (Stack_ *)pMember->hReserved;
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pCTLEntry->cAttribute = pStackAttr->Count() + CAT_RESERVE_CTL_ATTR;
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}
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else
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{
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pCTLEntry->cAttribute = CAT_RESERVE_CTL_ATTR;
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}
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if (!(pCTLEntry->rgAttribute =
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(PCRYPT_ATTRIBUTE)CatalogNew(sizeof(CRYPT_ATTRIBUTE) *
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pCTLEntry->cAttribute)))
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{
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return(FALSE);
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}
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memset(pCTLEntry->rgAttribute, 0x00,
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sizeof(CRYPT_ATTRIBUTE) * pCTLEntry->cAttribute);
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//
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// put our indirect data in an authenticated attribute
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//
|
|
if (!(pMember->pIndirectData))
|
|
{
|
|
CatalogReallyDecodeIndirectData(pCat, pMember, &pMember->sEncodedIndirectData);
|
|
}
|
|
|
|
CatalogEncodeIndirectData(pCat, pMember, &pCTLEntry->rgAttribute[0]);
|
|
|
|
//
|
|
// put our subject guid in an authenticated attribute
|
|
//
|
|
if ((pMember->gSubjectType.Data1 == 0) &&
|
|
(pMember->gSubjectType.Data2 == 0) &&
|
|
(pMember->gSubjectType.Data3 == 0))
|
|
{
|
|
CatalogReallyDecodeMemberInfo(pCat, pMember, &pMember->sEncodedMemberInfo);
|
|
}
|
|
|
|
CatalogEncodeMemberInfo(pCat, pMember, &pCTLEntry->rgAttribute[1]);
|
|
|
|
if (pMember->hReserved)
|
|
{
|
|
dwAttr = 0;
|
|
|
|
while (dwAttr < pStackAttr->Count())
|
|
{
|
|
pAttr = (CRYPTCATATTRIBUTE *)pStackAttr->Get(dwAttr);
|
|
|
|
CatalogFillCTLAttr(pCat, pAttr,
|
|
&pCTLEntry->rgAttribute[dwAttr + CAT_RESERVE_CTL_ATTR]);
|
|
|
|
//
|
|
// increment our attribute counter!
|
|
//
|
|
dwAttr++;
|
|
}
|
|
}
|
|
|
|
//
|
|
// increment our member counter!
|
|
//
|
|
dwMember++;
|
|
}
|
|
}
|
|
|
|
//
|
|
// cExtension
|
|
// rgExtension
|
|
//
|
|
if (pCat->hAttrs)
|
|
{
|
|
pStackAttr = (Stack_ *)pCat->hAttrs;
|
|
|
|
pCTL->cExtension = pStackAttr->Count();
|
|
|
|
if (!(pCTL->rgExtension =
|
|
(CERT_EXTENSION *)CatalogNew(sizeof(CERT_EXTENSION) * pCTL->cExtension)))
|
|
{
|
|
return(FALSE);
|
|
}
|
|
|
|
memset(pCTL->rgExtension, 0x00, sizeof(CERT_EXTENSION) * pCTL->cExtension);
|
|
|
|
dwAttr = 0;
|
|
|
|
while (dwAttr < pStackAttr->Count())
|
|
{
|
|
pAttr = (CRYPTCATATTRIBUTE *)pStackAttr->Get(dwAttr);
|
|
|
|
if (pAttr)
|
|
{
|
|
CatalogFillCatLevelAttr(pCat, pAttr, &pCTL->rgExtension[dwAttr]);
|
|
}
|
|
|
|
dwAttr++;
|
|
}
|
|
}
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
BOOL CatalogFillCatLevelAttr(CRYPTCATSTORE *pCatStore, CRYPTCATATTRIBUTE *pAttr, CERT_EXTENSION *pCertAttr)
|
|
{
|
|
CRYPT_ATTR_BLOB sAttrBlob;
|
|
CRYPT_ATTRIBUTE sCryptAttr;
|
|
|
|
memset(&sAttrBlob, 0x00, sizeof(CRYPT_ATTR_BLOB));
|
|
memset(&sCryptAttr, 0x00, sizeof(CRYPT_ATTRIBUTE));
|
|
|
|
sCryptAttr.cValue = 1;
|
|
sCryptAttr.rgValue = &sAttrBlob;
|
|
|
|
if (!(CatalogEncodeNameValue(pCatStore, pAttr, &sCryptAttr)))
|
|
{
|
|
return(FALSE);
|
|
}
|
|
|
|
CatalogCryptAttr2CertExt(&sCryptAttr, pCertAttr);
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
BOOL CatalogFillCTLAttr(CRYPTCATSTORE *pCatStore, CRYPTCATATTRIBUTE *pAttr, PCRYPT_ATTRIBUTE pCryptAttr)
|
|
{
|
|
if (!(pCryptAttr->rgValue = (PCRYPT_ATTR_BLOB)CatalogNew(sizeof(CRYPT_ATTR_BLOB))))
|
|
{
|
|
return(FALSE);
|
|
}
|
|
|
|
pCryptAttr->cValue = 1;
|
|
|
|
memset(pCryptAttr->rgValue, 0x00, sizeof(CRYPT_ATTR_BLOB));
|
|
|
|
if (!(CatalogEncodeNameValue(pCatStore, pAttr, pCryptAttr)))
|
|
{
|
|
return(FALSE);
|
|
}
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
BOOL CatalogFreeCTL(CTL_INFO *pCTL)
|
|
{
|
|
DWORD dwEntries;
|
|
DWORD dwAttributes;
|
|
CTL_ENTRY *pCTLEntry;
|
|
|
|
DELETE_OBJECT(pCTL->ListIdentifier.pbData);
|
|
|
|
dwEntries = pCTL->cCTLEntry;
|
|
|
|
while (dwEntries > 0)
|
|
{
|
|
pCTLEntry = &pCTL->rgCTLEntry[dwEntries - 1];
|
|
|
|
DELETE_OBJECT(pCTLEntry->SubjectIdentifier.pbData);
|
|
|
|
dwAttributes = pCTLEntry->cAttribute;
|
|
|
|
while (dwAttributes > 0)
|
|
{
|
|
CatalogFreeCTLAttr(&pCTLEntry->rgAttribute[dwAttributes - 1]);
|
|
|
|
dwAttributes--;
|
|
}
|
|
|
|
DELETE_OBJECT(pCTLEntry->rgAttribute);
|
|
|
|
dwEntries--;
|
|
}
|
|
|
|
DELETE_OBJECT(pCTL->rgCTLEntry);
|
|
|
|
for (dwEntries = 0; dwEntries < pCTL->cExtension; dwEntries++)
|
|
{
|
|
DELETE_OBJECT(pCTL->rgExtension[dwEntries].Value.pbData);
|
|
}
|
|
|
|
DELETE_OBJECT(pCTL->rgExtension);
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
BOOL CatalogFreeCTLAttr(CRYPT_ATTRIBUTE *pCryptAttr)
|
|
{
|
|
if (!(pCryptAttr))
|
|
{
|
|
return(FALSE);
|
|
}
|
|
|
|
if (pCryptAttr->rgValue)
|
|
{
|
|
DELETE_OBJECT(pCryptAttr->rgValue->pbData);
|
|
DELETE_OBJECT(pCryptAttr->rgValue);
|
|
}
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
BOOL WINAPI IsCatalogFile(HANDLE hFile, WCHAR *pwszCatalogFile)
|
|
{
|
|
char *pszCatalogListUsageOID = szOID_CATALOG_LIST;
|
|
BOOL fCloseFile;
|
|
BOOL fRet;
|
|
DWORD cbRead;
|
|
DWORD cbFile;
|
|
BYTE *pbFile;
|
|
PCCTL_CONTEXT pCTLContext;
|
|
|
|
//
|
|
// put a try-except around everything in case there is problems with the
|
|
// memory mapped file
|
|
//
|
|
__try {
|
|
|
|
pCTLContext = NULL;
|
|
pbFile = NULL;
|
|
fCloseFile = FALSE;
|
|
fRet = FALSE;
|
|
|
|
if ((hFile == NULL) || (hFile == INVALID_HANDLE_VALUE))
|
|
{
|
|
if (!(pwszCatalogFile))
|
|
{
|
|
goto IsCatInvalidParam;
|
|
}
|
|
|
|
if ((hFile = CreateFileU(pwszCatalogFile, GENERIC_READ, FILE_SHARE_READ, NULL,
|
|
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,
|
|
NULL)) == INVALID_HANDLE_VALUE)
|
|
{
|
|
goto IsCatFileError;
|
|
}
|
|
|
|
fCloseFile = TRUE;
|
|
}
|
|
|
|
HANDLE hMappedFile;
|
|
|
|
hMappedFile = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
|
|
|
|
if (!(hMappedFile) || (hMappedFile == INVALID_HANDLE_VALUE))
|
|
{
|
|
goto CreateFileMapFailed;
|
|
}
|
|
|
|
pbFile = (BYTE *)MapViewOfFile(hMappedFile, FILE_MAP_READ, 0, 0, 0);
|
|
|
|
CloseHandle(hMappedFile);
|
|
|
|
if (!(pbFile))
|
|
{
|
|
goto MapViewFailed;
|
|
}
|
|
|
|
if (((cbFile = GetFileSize(hFile, NULL)) == 0xffffffff) ||
|
|
(cbFile < 1))
|
|
{
|
|
goto FileSizeError;
|
|
}
|
|
|
|
if (pbFile[0] != (BYTE)0x30)
|
|
{
|
|
goto IsCatNotCatalog;
|
|
}
|
|
|
|
pCTLContext = (PCCTL_CONTEXT) CertCreateContext(
|
|
CERT_STORE_CTL_CONTEXT,
|
|
PKCS_7_ASN_ENCODING | X509_ASN_ENCODING,
|
|
pbFile,
|
|
cbFile,
|
|
CERT_CREATE_CONTEXT_NOCOPY_FLAG |
|
|
CERT_CREATE_CONTEXT_NO_HCRYPTMSG_FLAG |
|
|
CERT_CREATE_CONTEXT_NO_ENTRY_FLAG,
|
|
NULL // pCreatePara
|
|
);
|
|
|
|
if (pCTLContext)
|
|
{
|
|
if (pCTLContext->pCtlInfo->SubjectUsage.cUsageIdentifier)
|
|
{
|
|
if (strcmp(pCTLContext->pCtlInfo->SubjectUsage.rgpszUsageIdentifier[0],
|
|
pszCatalogListUsageOID) == 0)
|
|
{
|
|
fRet = TRUE;
|
|
goto CommonReturn;
|
|
}
|
|
}
|
|
}
|
|
|
|
goto IsCatNotCatalog;
|
|
|
|
} __except(EXCEPTION_EXECUTE_HANDLER) {
|
|
SetLastError(GetExceptionCode());
|
|
goto ErrorReturn;
|
|
}
|
|
|
|
|
|
CommonReturn:
|
|
|
|
if (pCTLContext)
|
|
{
|
|
CertFreeCTLContext(pCTLContext);
|
|
}
|
|
|
|
if (pbFile)
|
|
{
|
|
UnmapViewOfFile(pbFile);
|
|
}
|
|
|
|
if (fCloseFile)
|
|
{
|
|
CloseHandle(hFile);
|
|
}
|
|
|
|
return(fRet);
|
|
|
|
ErrorReturn:
|
|
fRet = FALSE;
|
|
goto CommonReturn;
|
|
|
|
TRACE_ERROR_EX(DBG_SS, IsCatNotCatalog);
|
|
TRACE_ERROR_EX(DBG_SS, IsCatFileError);
|
|
TRACE_ERROR_EX(DBG_SS, CreateFileMapFailed);
|
|
TRACE_ERROR_EX(DBG_SS, MapViewFailed);
|
|
|
|
SET_ERROR_VAR_EX(DBG_SS, IsCatInvalidParam, ERROR_INVALID_PARAMETER);
|
|
SET_ERROR_VAR_EX(DBG_SS, FileSizeError, ERROR_INVALID_PARAMETER);
|
|
}
|