Leaked source code of windows server 2003
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1996 - 1999
//
// File: sipfuncs.cpp
//
// Contents: Microsoft Internet Security SIP Provider
//
// Functions: CryptSIPDllMain
// CryptSIPPutSignedDataMsg
// CryptSIPGetSignedDataMsg
// CryptSIPRemoveSignedDataMsg
// CryptSIPCreateIndirectData
// CryptSIPVerifyIndirectData
//
// *** local functions ***
// _Guid2Sz
// _LoadIsFuncs
// _EnumOIDCallback
//
// History: 01-Dec-1997 pberkman created
//
//--------------------------------------------------------------------------
#include "global.hxx"
HCRYPTOIDFUNCSET hPutFuncSet;
HCRYPTOIDFUNCSET hGetFuncSet;
HCRYPTOIDFUNCSET hRemoveFuncSet;
HCRYPTOIDFUNCSET hCreateFuncSet;
HCRYPTOIDFUNCSET hVerifyFuncSet;
HCRYPTOIDFUNCSET hIsMyFileFuncSet;
HCRYPTOIDFUNCSET hIsMyFileFuncSet2;
CRITICAL_SECTION SIP_CriticalSection;
BOOL fLoadedIsFuncs = FALSE;
typedef struct ISFUNCREF_
{
DWORD cGuids;
GUID *pGuids;
} ISFUNCREF;
ISFUNCREF sIsGuids;
ISFUNCREF sIsGuids2;
void _LoadIsFuncs(void);
BOOL _CallIsMyFileType2(GUID *pgIn, WCHAR *pwszFile, GUID *pgOut);
BOOL _CallIsMyFileType(GUID *pgIn, HANDLE hFile, GUID *pgOut);
BOOL WINAPI _EnumOIDCallback(DWORD dwEncodingType, LPCSTR pszFuncName, LPCSTR pszOID,
DWORD cValue, const DWORD rgdwValueType[], LPCWSTR const rgpwszValueName[],
const BYTE * const rgpbValueData[], const DWORD rgcbValueData[],
void *pvArg);
BOOL WINAPI CryptSIPDllMain(HMODULE hModule, DWORD fdwReason, LPVOID lpReserved)
{
BOOL fRet;
fRet = TRUE;
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
memset(&sIsGuids, 0x00, sizeof(ISFUNCREF));
memset(&sIsGuids2, 0x00, sizeof(ISFUNCREF));
if (!(hPutFuncSet = CryptInitOIDFunctionSet(SIPFUNC_PUTSIGNATURE, 0)))
{
goto PutFuncSetFailed;
}
if (!(hGetFuncSet = CryptInitOIDFunctionSet(SIPFUNC_GETSIGNATURE, 0)))
{
goto GetFuncSetFailed;
}
if (!(hRemoveFuncSet = CryptInitOIDFunctionSet(SIPFUNC_REMSIGNATURE, 0)))
{
goto RemoveFuncSetFailed;
}
if (!(hCreateFuncSet = CryptInitOIDFunctionSet(SIPFUNC_CREATEINDIRECT, 0)))
{
goto CreateFuncSetFailed;
}
if (!(hVerifyFuncSet = CryptInitOIDFunctionSet(SIPFUNC_VERIFYINDIRECT, 0)))
{
goto VerifyFuncSetFailed;
}
if (!(hIsMyFileFuncSet = CryptInitOIDFunctionSet(SIPFUNC_ISMYTYPE, 0)))
{
goto VerifyFuncSetFailed;
}
if (!(hIsMyFileFuncSet2 = CryptInitOIDFunctionSet(SIPFUNC_ISMYTYPE2, 0)))
{
goto VerifyFuncSetFailed;
}
if (!Pki_InitializeCriticalSection(&SIP_CriticalSection))
{
goto InitCritSectionFailed;
}
break;
case DLL_PROCESS_DETACH:
if (fLoadedIsFuncs)
{
EnterCriticalSection(&SIP_CriticalSection);
DELETE_OBJECT(sIsGuids.pGuids);
DELETE_OBJECT(sIsGuids2.pGuids);
sIsGuids.cGuids = 0;
sIsGuids2.cGuids = 0;
fLoadedIsFuncs = FALSE;
LeaveCriticalSection(&SIP_CriticalSection);
}
DeleteCriticalSection(&SIP_CriticalSection);
break;
}
CommonReturn:
return(fRet);
ErrorReturn:
fRet = FALSE;
goto CommonReturn;
TRACE_ERROR_EX(DBG_SS, InitCritSectionFailed);
TRACE_ERROR_EX(DBG_SS, PutFuncSetFailed);
TRACE_ERROR_EX(DBG_SS, GetFuncSetFailed);
TRACE_ERROR_EX(DBG_SS, RemoveFuncSetFailed);
TRACE_ERROR_EX(DBG_SS, CreateFuncSetFailed);
TRACE_ERROR_EX(DBG_SS, VerifyFuncSetFailed);
}
BOOL WINAPI CryptSIPPutSignedDataMsg(SIP_SUBJECTINFO *pSubjectInfo,
DWORD dwEncodingType,
DWORD *pdwIndex,
DWORD cbSignedDataMsg,
BYTE *pbSignedDataMsg)
{
BOOL fRet;
if (!(pSubjectInfo) ||
!(pSubjectInfo->pgSubjectType))
{
goto InvalidParam;
}
HCRYPTOIDFUNCADDR hPfn;
pCryptSIPPutSignedDataMsg pfn;
char szGuid[REG_MAX_GUID_TEXT];
if (!(_Guid2Sz(pSubjectInfo->pgSubjectType, &szGuid[0])))
{
goto GuidConvertFailed;
}
if (!(CryptGetOIDFunctionAddress(hPutFuncSet, 0, &szGuid[0], 0, (void **)&pfn, &hPfn)))
{
goto GetFuncAddrFailed;
}
fRet = pfn(pSubjectInfo, dwEncodingType, pdwIndex, cbSignedDataMsg, pbSignedDataMsg);
CryptFreeOIDFunctionAddress(hPfn, 0);
CommonReturn:
return(fRet);
ErrorReturn:
fRet = FALSE;
goto CommonReturn;
SET_ERROR_VAR_EX(DBG_SS, GetFuncAddrFailed, TRUST_E_SUBJECT_FORM_UNKNOWN);
SET_ERROR_VAR_EX(DBG_SS, GuidConvertFailed, TRUST_E_SUBJECT_FORM_UNKNOWN);
SET_ERROR_VAR_EX(DBG_SS, InvalidParam, ERROR_INVALID_PARAMETER);
}
BOOL WINAPI CryptSIPGetSignedDataMsg(SIP_SUBJECTINFO *pSubjectInfo,
DWORD *pdwEncodingType,
DWORD dwIndex,
DWORD *pcbSignedDataMsg,
BYTE *pbSignedDataMsg)
{
BOOL fRet;
if (!(pSubjectInfo) ||
!(pSubjectInfo->pgSubjectType))
{
goto InvalidParam;
}
HCRYPTOIDFUNCADDR hPfn;
pCryptSIPGetSignedDataMsg pfn;
char szGuid[REG_MAX_GUID_TEXT];
if (!(_Guid2Sz(pSubjectInfo->pgSubjectType, &szGuid[0])))
{
goto GuidConvertFailed;
}
if (!(CryptGetOIDFunctionAddress(hGetFuncSet, 0, &szGuid[0], 0, (void **)&pfn, &hPfn)))
{
goto GetFuncAddrFailed;
}
fRet = pfn(pSubjectInfo, pdwEncodingType, dwIndex, pcbSignedDataMsg, pbSignedDataMsg);
CryptFreeOIDFunctionAddress(hPfn, 0);
CommonReturn:
return(fRet);
ErrorReturn:
fRet = FALSE;
goto CommonReturn;
SET_ERROR_VAR_EX(DBG_SS, GetFuncAddrFailed, TRUST_E_SUBJECT_FORM_UNKNOWN);
SET_ERROR_VAR_EX(DBG_SS, GuidConvertFailed, TRUST_E_SUBJECT_FORM_UNKNOWN);
SET_ERROR_VAR_EX(DBG_SS, InvalidParam, ERROR_INVALID_PARAMETER);
}
BOOL WINAPI CryptSIPRemoveSignedDataMsg(SIP_SUBJECTINFO *pSubjectInfo,
DWORD dwIndex)
{
BOOL fRet;
if (!(pSubjectInfo) ||
!(pSubjectInfo->pgSubjectType))
{
goto InvalidParam;
}
HCRYPTOIDFUNCADDR hPfn;
pCryptSIPRemoveSignedDataMsg pfn;
char szGuid[REG_MAX_GUID_TEXT];
if (!(_Guid2Sz(pSubjectInfo->pgSubjectType, &szGuid[0])))
{
goto GuidConvertFailed;
}
if (!(CryptGetOIDFunctionAddress(hRemoveFuncSet, 0, &szGuid[0], 0, (void **)&pfn, &hPfn)))
{
goto GetFuncAddrFailed;
}
fRet = pfn(pSubjectInfo, dwIndex);
CryptFreeOIDFunctionAddress(hPfn, 0);
CommonReturn:
return(fRet);
ErrorReturn:
fRet = FALSE;
goto CommonReturn;
SET_ERROR_VAR_EX(DBG_SS, GetFuncAddrFailed, TRUST_E_SUBJECT_FORM_UNKNOWN);
SET_ERROR_VAR_EX(DBG_SS, GuidConvertFailed, TRUST_E_SUBJECT_FORM_UNKNOWN);
SET_ERROR_VAR_EX(DBG_SS, InvalidParam, ERROR_INVALID_PARAMETER);
}
BOOL WINAPI CryptSIPCreateIndirectData(SIP_SUBJECTINFO *pSubjectInfo,
DWORD *pcbIndirectData,
SIP_INDIRECT_DATA *pIndirectData)
{
BOOL fRet;
if (!(pSubjectInfo) ||
!(pSubjectInfo->pgSubjectType))
{
goto InvalidParam;
}
HCRYPTOIDFUNCADDR hPfn;
pCryptSIPCreateIndirectData pfn;
char szGuid[REG_MAX_GUID_TEXT];
if (!(_Guid2Sz(pSubjectInfo->pgSubjectType, &szGuid[0])))
{
goto GuidConvertFailed;
}
if (!(CryptGetOIDFunctionAddress(hCreateFuncSet, 0, &szGuid[0], 0, (void **)&pfn, &hPfn)))
{
goto GetFuncAddrFailed;
}
fRet = pfn(pSubjectInfo, pcbIndirectData, pIndirectData);
CryptFreeOIDFunctionAddress(hPfn, 0);
CommonReturn:
return(fRet);
ErrorReturn:
fRet = FALSE;
goto CommonReturn;
SET_ERROR_VAR_EX(DBG_SS, GetFuncAddrFailed, TRUST_E_SUBJECT_FORM_UNKNOWN);
SET_ERROR_VAR_EX(DBG_SS, GuidConvertFailed, TRUST_E_SUBJECT_FORM_UNKNOWN);
SET_ERROR_VAR_EX(DBG_SS, InvalidParam, ERROR_INVALID_PARAMETER);
}
BOOL WINAPI CryptSIPVerifyIndirectData(SIP_SUBJECTINFO *pSubjectInfo,
SIP_INDIRECT_DATA *pIndirectData)
{
BOOL fRet;
if (!(pSubjectInfo) ||
!(pSubjectInfo->pgSubjectType))
{
goto InvalidParam;
}
HCRYPTOIDFUNCADDR hPfn;
pCryptSIPVerifyIndirectData pfn;
char szGuid[REG_MAX_GUID_TEXT];
if (!(_Guid2Sz(pSubjectInfo->pgSubjectType, &szGuid[0])))
{
goto GuidConvertFailed;
}
if (!(CryptGetOIDFunctionAddress(hVerifyFuncSet, 0, &szGuid[0], 0, (void **)&pfn, &hPfn)))
{
goto GetFuncAddrFailed;
}
fRet = pfn(pSubjectInfo, pIndirectData);
CryptFreeOIDFunctionAddress(hPfn, 0);
CommonReturn:
return(fRet);
ErrorReturn:
fRet = FALSE;
goto CommonReturn;
SET_ERROR_VAR_EX(DBG_SS, GetFuncAddrFailed, TRUST_E_SUBJECT_FORM_UNKNOWN);
SET_ERROR_VAR_EX(DBG_SS, GuidConvertFailed, TRUST_E_SUBJECT_FORM_UNKNOWN);
SET_ERROR_VAR_EX(DBG_SS, InvalidParam, ERROR_INVALID_PARAMETER);
}
BOOL _Guid2Sz(GUID *pgGuid, char *pszGuid)
{
WCHAR wszGuid[REG_MAX_GUID_TEXT];
if (!(guid2wstr(pgGuid, &wszGuid[0])))
{
return(FALSE);
}
if (WideCharToMultiByte(0, 0, &wszGuid[0], -1, pszGuid, REG_MAX_GUID_TEXT, NULL, NULL) == 0)
{
return(FALSE);
}
return(TRUE);
}
BOOL _QueryRegisteredIsMyFileType(HANDLE hFile, LPCWSTR pwszFile, GUID *pgSubject)
{
if (!(fLoadedIsFuncs))
{
EnterCriticalSection(&SIP_CriticalSection);
if (!(fLoadedIsFuncs))
{
CryptEnumOIDFunction(0, SIPFUNC_ISMYTYPE, NULL, 0, (void *)&sIsGuids, _EnumOIDCallback);
CryptEnumOIDFunction(0, SIPFUNC_ISMYTYPE2, NULL, 0, (void *)&sIsGuids2, _EnumOIDCallback);
fLoadedIsFuncs = TRUE;
}
LeaveCriticalSection(&SIP_CriticalSection);
}
DWORD i;
i = 0;
while (i < sIsGuids.cGuids)
{
if (_CallIsMyFileType(&sIsGuids.pGuids[i], hFile, pgSubject))
{
return(TRUE);
}
i++;
}
i = 0;
while (i < sIsGuids2.cGuids)
{
if (_CallIsMyFileType2(&sIsGuids2.pGuids[i], (WCHAR *)pwszFile, pgSubject))
{
return(TRUE);
}
i++;
}
return(FALSE);
}
BOOL _CallIsMyFileType(GUID *pgIn, HANDLE hFile, GUID *pgOut)
{
BOOL fRet;
HCRYPTOIDFUNCADDR hPfn;
pfnIsFileSupported pfn;
char szGuid[REG_MAX_GUID_TEXT];
if (!(_Guid2Sz(pgIn, &szGuid[0])))
{
goto GuidConvertFailed;
}
if (!(CryptGetOIDFunctionAddress(hIsMyFileFuncSet, 0, &szGuid[0], 0, (void **)&pfn, &hPfn)))
{
goto GetFuncAddrFailed;
}
fRet = pfn(hFile, pgOut);
CryptFreeOIDFunctionAddress(hPfn, 0);
CommonReturn:
return(fRet);
ErrorReturn:
fRet = FALSE;
goto CommonReturn;
TRACE_ERROR_EX(DBG_SS, GetFuncAddrFailed);
TRACE_ERROR_EX(DBG_SS, GuidConvertFailed);
}
BOOL _CallIsMyFileType2(GUID *pgIn, WCHAR *pwszFile, GUID *pgOut)
{
BOOL fRet;
HCRYPTOIDFUNCADDR hPfn;
pfnIsFileSupported pfn;
char szGuid[REG_MAX_GUID_TEXT];
if (!(_Guid2Sz(pgIn, &szGuid[0])))
{
goto GuidConvertFailed;
}
if (!(CryptGetOIDFunctionAddress(hIsMyFileFuncSet2, 0, &szGuid[0], 0, (void **)&pfn, &hPfn)))
{
goto GetFuncAddrFailed;
}
fRet = pfn(pwszFile, pgOut);
CryptFreeOIDFunctionAddress(hPfn, 0);
CommonReturn:
return(fRet);
ErrorReturn:
fRet = FALSE;
goto CommonReturn;
TRACE_ERROR_EX(DBG_SS, GetFuncAddrFailed);
TRACE_ERROR_EX(DBG_SS, GuidConvertFailed);
}
void *SIPRealloc(void *pvOrg, size_t cb)
{
void *pv;
pv = (pvOrg) ? realloc(pvOrg, cb) : malloc(cb);
if (!(pv))
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
}
return(pv);
}
BOOL WINAPI _EnumOIDCallback(IN DWORD dwEncodingType,
IN LPCSTR pszFuncName,
IN LPCSTR pszOID,
IN DWORD cValue,
IN const DWORD rgdwValueType[],
IN LPCWSTR const rgpwszValueName[],
IN const BYTE * const rgpbValueData[],
IN const DWORD rgcbValueData[],
IN void *pvArg)
{
WCHAR wszGuid[REG_MAX_GUID_TEXT];
GUID g;
wszGuid[0] = NULL;
MultiByteToWideChar(0, 0, pszOID, -1, &wszGuid[0], REG_MAX_GUID_TEXT);
if (wszGuid[0])
{
if (wstr2guid(&wszGuid[0], &g))
{
ISFUNCREF *pIsGuids;
pIsGuids = (ISFUNCREF *)pvArg;
if (!(pvArg))
{
return(TRUE);
}
pIsGuids->cGuids++;
pIsGuids->pGuids = (GUID *)SIPRealloc(pIsGuids->pGuids, pIsGuids->cGuids * sizeof(GUID));
if (!(pIsGuids->pGuids))
{
pIsGuids->cGuids = 0;
return(FALSE);
}
memcpy(&pIsGuids->pGuids[pIsGuids->cGuids - 1], &g, sizeof(GUID));
}
}
return(TRUE); // keep going!
}