mirror of
https://github.com/moparisthebest/curl
synced 2024-11-17 23:15:08 -05:00
f75b6065db
References to NTLM in the identity generation should have been removed
in commit c469941293 but not all were.
258 lines
8.0 KiB
C
258 lines
8.0 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "curl_setup.h"
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#ifdef USE_WINDOWS_SSPI
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#include <curl/curl.h>
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#include "curl_sspi.h"
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#include "curl_multibyte.h"
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#include "warnless.h"
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/* The last #include files should be: */
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#include "curl_memory.h"
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#include "memdebug.h"
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/* We use our own typedef here since some headers might lack these */
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typedef PSecurityFunctionTable (APIENTRY *INITSECURITYINTERFACE_FN)(VOID);
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/* See definition of SECURITY_ENTRYPOINT in sspi.h */
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#ifdef UNICODE
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# ifdef _WIN32_WCE
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# define SECURITYENTRYPOINT L"InitSecurityInterfaceW"
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# else
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# define SECURITYENTRYPOINT "InitSecurityInterfaceW"
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# endif
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#else
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# define SECURITYENTRYPOINT "InitSecurityInterfaceA"
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#endif
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/* Handle of security.dll or secur32.dll, depending on Windows version */
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HMODULE s_hSecDll = NULL;
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/* Pointer to SSPI dispatch table */
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PSecurityFunctionTable s_pSecFn = NULL;
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/*
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* Curl_sspi_global_init()
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*
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* This is used to load the Security Service Provider Interface (SSPI)
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* dynamic link library portably across all Windows versions, without
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* the need to directly link libcurl, nor the application using it, at
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* build time.
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*
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* Once this function has been executed, Windows SSPI functions can be
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* called through the Security Service Provider Interface dispatch table.
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*/
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CURLcode Curl_sspi_global_init(void)
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{
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bool securityDll = FALSE;
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INITSECURITYINTERFACE_FN pInitSecurityInterface;
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/* If security interface is not yet initialized try to do this */
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if(!s_hSecDll) {
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/* Security Service Provider Interface (SSPI) functions are located in
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* security.dll on WinNT 4.0 and in secur32.dll on Win9x. Win2K and XP
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* have both these DLLs (security.dll forwards calls to secur32.dll) */
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DWORD majorVersion = 4;
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DWORD platformId = VER_PLATFORM_WIN32_NT;
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#if !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_WIN2K) || \
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(_WIN32_WINNT < _WIN32_WINNT_WIN2K)
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OSVERSIONINFO osver;
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memset(&osver, 0, sizeof(osver));
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osver.dwOSVersionInfoSize = sizeof(osver);
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/* Find out Windows version */
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if(!GetVersionEx(&osver))
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return CURLE_FAILED_INIT;
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/* Verify the major version number == 4 and platform id == WIN_NT */
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if(osver.dwMajorVersion == majorVersion &&
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osver.dwPlatformId == platformId)
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securityDll = TRUE;
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#else
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ULONGLONG cm;
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OSVERSIONINFOEX osver;
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memset(&osver, 0, sizeof(osver));
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osver.dwOSVersionInfoSize = sizeof(osver);
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osver.dwMajorVersion = majorVersion;
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osver.dwPlatformId = platformId;
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cm = VerSetConditionMask(0, VER_MAJORVERSION, VER_EQUAL);
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cm = VerSetConditionMask(cm, VER_MINORVERSION, VER_GREATER_EQUAL);
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cm = VerSetConditionMask(cm, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
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cm = VerSetConditionMask(cm, VER_SERVICEPACKMINOR, VER_GREATER_EQUAL);
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cm = VerSetConditionMask(cm, VER_PLATFORMID, VER_EQUAL);
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/* Verify the major version number == 4 and platform id == WIN_NT */
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if(VerifyVersionInfo(&osver, (VER_MAJORVERSION | VER_MINORVERSION |
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VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR |
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VER_PLATFORMID),
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cm))
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securityDll = TRUE;
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#endif
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/* Load SSPI dll into the address space of the calling process */
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if(securityDll)
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s_hSecDll = LoadLibrary(TEXT("security.dll"));
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else
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s_hSecDll = LoadLibrary(TEXT("secur32.dll"));
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if(!s_hSecDll)
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return CURLE_FAILED_INIT;
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/* Get address of the InitSecurityInterfaceA function from the SSPI dll */
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pInitSecurityInterface = (INITSECURITYINTERFACE_FN)
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GetProcAddress(s_hSecDll, SECURITYENTRYPOINT);
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if(!pInitSecurityInterface)
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return CURLE_FAILED_INIT;
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/* Get pointer to Security Service Provider Interface dispatch table */
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s_pSecFn = pInitSecurityInterface();
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if(!s_pSecFn)
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return CURLE_FAILED_INIT;
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}
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return CURLE_OK;
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}
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/*
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* Curl_sspi_global_cleanup()
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*
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* This deinitializes the Security Service Provider Interface from libcurl.
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*/
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void Curl_sspi_global_cleanup(void)
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{
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if(s_hSecDll) {
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FreeLibrary(s_hSecDll);
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s_hSecDll = NULL;
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s_pSecFn = NULL;
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}
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}
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/*
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* Curl_create_sspi_identity()
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*
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* This is used to populate a SSPI identity structure based on the supplied
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* username and password.
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*
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* Parameters:
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*
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* userp [in] - The user name in the format User or Domain\User.
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* passdwp [in] - The user's password.
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* identity [in/out] - The identity structure.
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*
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* Returns CURLE_OK on success.
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*/
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CURLcode Curl_create_sspi_identity(const char *userp, const char *passwdp,
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SEC_WINNT_AUTH_IDENTITY *identity)
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{
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xcharp_u useranddomain;
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xcharp_u user, dup_user;
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xcharp_u domain, dup_domain;
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xcharp_u passwd, dup_passwd;
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size_t domlen = 0;
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domain.const_tchar_ptr = TEXT("");
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/* Initialize the identity */
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memset(identity, 0, sizeof(*identity));
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useranddomain.tchar_ptr = Curl_convert_UTF8_to_tchar((char *)userp);
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if(!useranddomain.tchar_ptr)
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return CURLE_OUT_OF_MEMORY;
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user.const_tchar_ptr = _tcschr(useranddomain.const_tchar_ptr, TEXT('\\'));
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if(!user.const_tchar_ptr)
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user.const_tchar_ptr = _tcschr(useranddomain.const_tchar_ptr, TEXT('/'));
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if(user.tchar_ptr) {
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domain.tchar_ptr = useranddomain.tchar_ptr;
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domlen = user.tchar_ptr - useranddomain.tchar_ptr;
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user.tchar_ptr++;
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}
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else {
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user.tchar_ptr = useranddomain.tchar_ptr;
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domain.const_tchar_ptr = TEXT("");
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domlen = 0;
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}
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/* Setup the identity's user and length */
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dup_user.tchar_ptr = _tcsdup(user.tchar_ptr);
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if(!dup_user.tchar_ptr) {
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Curl_unicodefree(useranddomain.tchar_ptr);
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return CURLE_OUT_OF_MEMORY;
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}
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identity->User = dup_user.tbyte_ptr;
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identity->UserLength = curlx_uztoul(_tcslen(dup_user.tchar_ptr));
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dup_user.tchar_ptr = NULL;
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/* Setup the identity's domain and length */
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dup_domain.tchar_ptr = malloc(sizeof(TCHAR) * (domlen + 1));
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if(!dup_domain.tchar_ptr) {
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Curl_unicodefree(useranddomain.tchar_ptr);
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return CURLE_OUT_OF_MEMORY;
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}
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_tcsncpy(dup_domain.tchar_ptr, domain.tchar_ptr, domlen);
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*(dup_domain.tchar_ptr + domlen) = TEXT('\0');
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identity->Domain = dup_domain.tbyte_ptr;
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identity->DomainLength = curlx_uztoul(domlen);
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dup_domain.tchar_ptr = NULL;
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Curl_unicodefree(useranddomain.tchar_ptr);
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/* Setup the identity's password and length */
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passwd.tchar_ptr = Curl_convert_UTF8_to_tchar((char *)passwdp);
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if(!passwd.tchar_ptr)
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return CURLE_OUT_OF_MEMORY;
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dup_passwd.tchar_ptr = _tcsdup(passwd.tchar_ptr);
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if(!dup_passwd.tchar_ptr) {
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Curl_unicodefree(passwd.tchar_ptr);
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return CURLE_OUT_OF_MEMORY;
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}
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identity->Password = dup_passwd.tbyte_ptr;
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identity->PasswordLength = curlx_uztoul(_tcslen(dup_passwd.tchar_ptr));
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dup_passwd.tchar_ptr = NULL;
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Curl_unicodefree(passwd.tchar_ptr);
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/* Setup the identity's flags */
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identity->Flags = SECFLAG_WINNT_AUTH_IDENTITY;
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return CURLE_OK;
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}
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void Curl_sspi_free_identity(SEC_WINNT_AUTH_IDENTITY *identity)
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{
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if(identity) {
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Curl_safefree(identity->User);
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Curl_safefree(identity->Password);
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Curl_safefree(identity->Domain);
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}
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}
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#endif /* USE_WINDOWS_SSPI */
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