Leaked source code of windows server 2003
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
/*++
Copyright (c) 1994 Microsoft Corporation
Module Name:
secinit.cxx
Abstract:
Contains load function for security.dll on NT and secur32.dll on win95 Also handles WinTrust.dll function loading.
Author:
Sophia Chung (sophiac) 6-Feb-1996
Environment:
User Mode - Win32
Revision History:
--*/ #include <wininetp.h>
//
// InitializationLock - protects against multiple threads loading security.dll
// (secur32.dll) and entry points
//
CCritSec InitializationSecLock;
//
// GlobalSecFuncTable - Pointer to Global Structure of Pointers that are used
// for storing the entry points into the SCHANNEL.dll
//
PSecurityFunctionTable GlobalSecFuncTable = NULL;
//
// pWinVerifyTrust - Pointer to Entry Point in WINTRUST.DLL
//
WIN_VERIFY_TRUST_FN pWinVerifyTrust; WT_HELPER_PROV_DATA_FROM_STATE_DATA_FN pWTHelperProvDataFromStateData;
//
// g_hSecurity - NULL when security.dll/secur32.dll is not loaded
//
HINSTANCE g_hSecurity = NULL;
//
// g_hWinTrust - NULL when WinTrust DLL is not loaded.
//
HINSTANCE g_hWinTrust = NULL;
HINSTANCE g_hCrypt32 = NULL;
CERT_OPEN_STORE_FN g_pfnCertOpenStore = NULL; CERT_FIND_CERTIFICATE_IN_STORE_FN g_pfnCertFindCertificateInStore = NULL; CERT_DUPLICATE_CERTIFICATE_CONTEXT_FN g_pfnCertDuplicateCertificateContext = NULL; CERT_NAME_TO_STR_W_FN g_pfnCertNameToStr = NULL; CERT_CONTROL_STORE_FN g_pfnCertControlStore = NULL; CRYPT_UNPROTECT_DATA_FN g_pfnCryptUnprotectData = NULL; CERT_CLOSE_STORE_FN g_pfnCertCloseStore = NULL; CERT_GET_CERT_PROPERTY g_pfnCertGetCertProperty = NULL; DWORD LoadWinTrust( VOID )
/*++
Routine Description:
This function loads the WinTrust.DLL and binds a pointer to a function that is needed in the WinTrust DLL.
Arguments:
NONE.
Return Value:
WINDOWS Error Code.
--*/
{ DWORD error = ERROR_SUCCESS;
if (!LOCK_SECURITY()) { return ERROR_NOT_ENOUGH_MEMORY; }
if( g_hWinTrust == NULL ) { LPSTR lpszDllFileName = WINTRUST_DLLNAME; pWinVerifyTrust = NULL;
//
// Load the DLL
//
g_hWinTrust = LoadLibrary(lpszDllFileName);
if ( g_hWinTrust ) { pWinVerifyTrust = (WIN_VERIFY_TRUST_FN) GetProcAddress(g_hWinTrust, WIN_VERIFY_TRUST_NAME); pWTHelperProvDataFromStateData = (WT_HELPER_PROV_DATA_FROM_STATE_DATA_FN) GetProcAddress(g_hWinTrust, WT_HELPER_PROV_DATA_FROM_STATE_DATA_NAME); }
if ( !g_hWinTrust || !pWinVerifyTrust ) { error = GetLastError();
if ( error == ERROR_SUCCESS ) { error = ERROR_WINHTTP_INTERNAL_ERROR; } } }
INET_ASSERT(pWinVerifyTrust);
if ( error != ERROR_SUCCESS ) { if (g_hWinTrust) { FreeLibrary(g_hWinTrust); g_hWinTrust = NULL; } }
UNLOCK_SECURITY();
return error; }
BOOL SecurityInitialize( VOID ) /*++
Routine Description:
This function initializes the global lock required for the security pkgs.
Arguments:
NONE.
Return Value:
WINDOWS Error Code.
--*/ { return InitializationSecLock.Init(); }
VOID SecurityTerminate( VOID ) /*++
Routine Description:
This function Deletes the global lock required for the security pkgs.
Arguments:
NONE.
Return Value:
WINDOWS Error Code.
--*/ { InitializationSecLock.FreeLock(); }
VOID UnloadSecurity( VOID )
/*++
Routine Description:
This function terminates the global data required for the security pkgs and dynamically unloads security APIs from security.dll (NT) or secur32.dll (WIN95).
Arguments:
NONE.
Return Value:
WINDOWS Error Code.
--*/
{ if (!LOCK_SECURITY()) { INET_ASSERT(FALSE); return; }
//
// unload dll
//
if (g_hSecurity != NULL) { FreeLibrary(g_hSecurity); g_hSecurity = NULL; } if (g_hCrypt32 != NULL) { FreeLibrary(g_hCrypt32); g_hCrypt32 = NULL; } if (g_hWinTrust) { FreeLibrary(g_hWinTrust); g_hWinTrust = NULL; }
UNLOCK_SECURITY();
}
DWORD LoadSecurity( VOID ) /*++
Routine Description:
This function dynamically loads security APIs from security.dll (NT) or secur32.dll (WIN95).
Arguments:
NONE.
Return Value:
WINDOWS Error Code. --*/ { DWORD Error = ERROR_SUCCESS; INITSECURITYINTERFACE pfInitSecurityInterface = NULL;
if (!LOCK_SECURITY()) return ERROR_NOT_ENOUGH_MEMORY;
Error = LoadWinTrust(); if ( Error != ERROR_SUCCESS ) { goto Cleanup; }
if( g_hSecurity != NULL && g_hCrypt32 != NULL) { goto quit; }
//
// load dll.
//
//
// This is better for performance. Rather than call through
// SSPI, we go right to the DLL doing the work.
//
g_hSecurity = LoadLibrary( "schannel" );
if ( g_hSecurity == NULL ) { goto ErrorFail; }
g_hCrypt32 = LoadLibrary( "crypt32" );
if ( g_hCrypt32 == NULL ) { goto ErrorFail; } else { g_pfnCertOpenStore = (CERT_OPEN_STORE_FN) GetProcAddress(g_hCrypt32, "CertOpenStore");
if (!g_pfnCertOpenStore) { goto ErrorFail; }
g_pfnCertCloseStore = (CERT_CLOSE_STORE_FN) GetProcAddress(g_hCrypt32, "CertCloseStore");
if (!g_pfnCertCloseStore) { goto ErrorFail; }
g_pfnCertGetCertProperty = (CERT_GET_CERT_PROPERTY) GetProcAddress(g_hCrypt32, "CertGetCertificateContextProperty");
if (!g_pfnCertGetCertProperty) { goto ErrorFail; }
g_pfnCertFindCertificateInStore = (CERT_FIND_CERTIFICATE_IN_STORE_FN) GetProcAddress(g_hCrypt32, "CertFindCertificateInStore");
if (!g_pfnCertFindCertificateInStore) { goto ErrorFail; }
g_pfnCertFreeCertificateContext = (CERT_FREE_CERTIFICATE_CONTEXT_FN) GetProcAddress(g_hCrypt32, "CertFreeCertificateContext");
if (!g_pfnCertFreeCertificateContext) { goto ErrorFail; }
g_pfnCertDuplicateCertificateContext = (CERT_DUPLICATE_CERTIFICATE_CONTEXT_FN) GetProcAddress(g_hCrypt32, "CertDuplicateCertificateContext");
if (!g_pfnCertDuplicateCertificateContext) { goto ErrorFail; }
g_pfnCertNameToStr = (CERT_NAME_TO_STR_W_FN) GetProcAddress(g_hCrypt32, "CertNameToStrW");
if (!g_pfnCertNameToStr) { goto ErrorFail; }
g_pfnCertControlStore = (CERT_CONTROL_STORE_FN) GetProcAddress(g_hCrypt32, "CertControlStore");
if (!g_pfnCertControlStore) { goto ErrorFail; }
g_pfnCryptUnprotectData = (CRYPT_UNPROTECT_DATA_FN) GetProcAddress(g_hCrypt32, "CryptUnprotectData");
if (!g_pfnCryptUnprotectData) { goto ErrorFail; } } //
// get function addresses.
//
#ifdef UNICODE
pfInitSecurityInterface = (INITSECURITYINTERFACE) GetProcAddress( g_hSecurity, "InitSecurityInterfaceW" ); #else
pfInitSecurityInterface = (INITSECURITYINTERFACE) GetProcAddress( g_hSecurity, "InitSecurityInterfaceA" ); #endif
if ( pfInitSecurityInterface == NULL ) { goto ErrorFail; }
GlobalSecFuncTable = (SecurityFunctionTable*) ((*pfInitSecurityInterface) ());
if ( GlobalSecFuncTable == NULL ) { goto ErrorFail; }
Cleanup:
if ( Error != ERROR_SUCCESS ) { if (g_hSecurity) { FreeLibrary( g_hSecurity ); g_hSecurity = NULL; }
if (g_hCrypt32) { FreeLibrary( g_hCrypt32 ); g_hCrypt32 = NULL; } }
quit:
UNLOCK_SECURITY();
return( Error );
ErrorFail:
Error = GetLastError();
goto Cleanup; }
|