mirror of
https://github.com/curl/curl.git
synced 2024-11-21 01:16:58 +08:00
120 lines
3.5 KiB
C
120 lines
3.5 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
*
|
|
* This software is licensed as described in the file COPYING, which
|
|
* you should have received as part of this distribution. The terms
|
|
* are also available at http://curl.haxx.se/docs/copyright.html.
|
|
*
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
* copies of the Software, and permit persons to whom the Software is
|
|
* furnished to do so, under the terms of the COPYING file.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
* $Id$
|
|
***************************************************************************/
|
|
|
|
#include "setup.h"
|
|
|
|
#ifdef USE_WINDOWS_SSPI
|
|
|
|
#include <curl/curl.h>
|
|
|
|
#include "curl_sspi.h"
|
|
|
|
#define _MPRINTF_REPLACE /* use our functions only */
|
|
#include <curl/mprintf.h>
|
|
|
|
#include "curl_memory.h"
|
|
/* The last #include file should be: */
|
|
#include "memdebug.h"
|
|
|
|
|
|
/* Handle of security.dll or secur32.dll, depending on Windows version */
|
|
HMODULE s_hSecDll = NULL;
|
|
|
|
/* Pointer to SSPI dispatch table */
|
|
PSecurityFunctionTableA s_pSecFn = NULL;
|
|
|
|
|
|
/*
|
|
* Curl_sspi_global_init()
|
|
*
|
|
* This is used to load the Security Service Provider Interface (SSPI)
|
|
* dynamic link library portably across all Windows versions, without
|
|
* the need to directly link libcurl, nor the application using it, at
|
|
* build time.
|
|
*
|
|
* Once this function has been executed, Windows SSPI functions can be
|
|
* called through the Security Service Provider Interface dispatch table.
|
|
*/
|
|
|
|
CURLcode
|
|
Curl_sspi_global_init(void)
|
|
{
|
|
OSVERSIONINFO osver;
|
|
INIT_SECURITY_INTERFACE_A pInitSecurityInterface;
|
|
|
|
/* If security interface is not yet initialized try to do this */
|
|
if(s_hSecDll == NULL) {
|
|
|
|
/* Find out Windows version */
|
|
memset(&osver, 0, sizeof(osver));
|
|
osver.dwOSVersionInfoSize = sizeof(osver);
|
|
if(! GetVersionEx(&osver))
|
|
return CURLE_FAILED_INIT;
|
|
|
|
/* Security Service Provider Interface (SSPI) functions are located in
|
|
* security.dll on WinNT 4.0 and in secur32.dll on Win9x. Win2K and XP
|
|
* have both these DLLs (security.dll forwards calls to secur32.dll) */
|
|
|
|
/* Load SSPI dll into the address space of the calling process */
|
|
if(osver.dwPlatformId == VER_PLATFORM_WIN32_NT
|
|
&& osver.dwMajorVersion == 4)
|
|
s_hSecDll = LoadLibrary("security.dll");
|
|
else
|
|
s_hSecDll = LoadLibrary("secur32.dll");
|
|
if(! s_hSecDll)
|
|
return CURLE_FAILED_INIT;
|
|
|
|
/* Get address of the InitSecurityInterfaceA function from the SSPI dll */
|
|
pInitSecurityInterface = (INIT_SECURITY_INTERFACE_A)
|
|
GetProcAddress(s_hSecDll, "InitSecurityInterfaceA");
|
|
if(! pInitSecurityInterface)
|
|
return CURLE_FAILED_INIT;
|
|
|
|
/* Get pointer to Security Service Provider Interface dispatch table */
|
|
s_pSecFn = pInitSecurityInterface();
|
|
if(! s_pSecFn)
|
|
return CURLE_FAILED_INIT;
|
|
|
|
}
|
|
return CURLE_OK;
|
|
}
|
|
|
|
|
|
/*
|
|
* Curl_sspi_global_cleanup()
|
|
*
|
|
* This deinitializes the Security Service Provider Interface from libcurl.
|
|
*/
|
|
|
|
void
|
|
Curl_sspi_global_cleanup(void)
|
|
{
|
|
if(s_hSecDll) {
|
|
FreeLibrary(s_hSecDll);
|
|
s_hSecDll = NULL;
|
|
s_pSecFn = NULL;
|
|
}
|
|
}
|
|
|
|
#endif /* USE_WINDOWS_SSPI */
|