From 682f23e7bb4a52bedf46eff5c4859e1308eda124 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Tue, 25 Aug 2015 19:56:24 +0200 Subject: Update build ref --- libcurl/src/lib/curl_sspi.c | 252 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 252 insertions(+) create mode 100644 libcurl/src/lib/curl_sspi.c (limited to 'libcurl/src/lib/curl_sspi.c') diff --git a/libcurl/src/lib/curl_sspi.c b/libcurl/src/lib/curl_sspi.c new file mode 100644 index 0000000..6a58437 --- /dev/null +++ b/libcurl/src/lib/curl_sspi.c @@ -0,0 +1,252 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2015, Daniel Stenberg, , 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. + * + ***************************************************************************/ + +#include "curl_setup.h" + +#ifdef USE_WINDOWS_SSPI + +#include +#include "curl_sspi.h" +#include "curl_multibyte.h" +#include "warnless.h" + +/* The last #include files should be: */ +#include "curl_memory.h" +#include "memdebug.h" + +/* We use our own typedef here since some headers might lack these */ +typedef PSecurityFunctionTable (APIENTRY *INITSECURITYINTERFACE_FN)(VOID); + +/* See definition of SECURITY_ENTRYPOINT in sspi.h */ +#ifdef UNICODE +# ifdef _WIN32_WCE +# define SECURITYENTRYPOINT L"InitSecurityInterfaceW" +# else +# define SECURITYENTRYPOINT "InitSecurityInterfaceW" +# endif +#else +# define SECURITYENTRYPOINT "InitSecurityInterfaceA" +#endif + +/* Handle of security.dll or secur32.dll, depending on Windows version */ +HMODULE s_hSecDll = NULL; + +/* Pointer to SSPI dispatch table */ +PSecurityFunctionTable 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. + */ +CURL_STATIC CURLcode Curl_sspi_global_init(void) +{ + bool securityDll = FALSE; + INITSECURITYINTERFACE_FN pInitSecurityInterface; + + /* If security interface is not yet initialized try to do this */ + if(!s_hSecDll) { + /* 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) */ + DWORD majorVersion = 4; + DWORD platformId = VER_PLATFORM_WIN32_NT; + +#if !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_WIN2K) || \ + (_WIN32_WINNT < _WIN32_WINNT_WIN2K) + OSVERSIONINFO osver; + + memset(&osver, 0, sizeof(osver)); + osver.dwOSVersionInfoSize = sizeof(osver); + + /* Find out Windows version */ + if(!GetVersionEx(&osver)) + return CURLE_FAILED_INIT; + + /* Verify the major version number == 4 and platform id == WIN_NT */ + if(osver.dwMajorVersion == majorVersion && + osver.dwPlatformId == platformId) + securityDll = TRUE; +#else + ULONGLONG majorVersionMask; + ULONGLONG platformIdMask; + OSVERSIONINFOEX osver; + + memset(&osver, 0, sizeof(osver)); + osver.dwOSVersionInfoSize = sizeof(osver); + osver.dwMajorVersion = majorVersion; + osver.dwPlatformId = platformId; + majorVersionMask = VerSetConditionMask(0, VER_MAJORVERSION, VER_EQUAL); + platformIdMask = VerSetConditionMask(0, VER_PLATFORMID, VER_EQUAL); + + /* Verify the major version number == 4 and platform id == WIN_NT */ + if(VerifyVersionInfo(&osver, VER_MAJORVERSION, majorVersionMask) && + VerifyVersionInfo(&osver, VER_PLATFORMID, platformIdMask)) + securityDll = TRUE; +#endif + + /* Load SSPI dll into the address space of the calling process */ + if(securityDll) + s_hSecDll = LoadLibrary(TEXT("security.dll")); + else + s_hSecDll = LoadLibrary(TEXT("secur32.dll")); + if(!s_hSecDll) + return CURLE_FAILED_INIT; + + /* Get address of the InitSecurityInterfaceA function from the SSPI dll */ + pInitSecurityInterface = (INITSECURITYINTERFACE_FN) + GetProcAddress(s_hSecDll, SECURITYENTRYPOINT); + 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. + */ + +CURL_STATIC void Curl_sspi_global_cleanup(void) +{ + if(s_hSecDll) { + FreeLibrary(s_hSecDll); + s_hSecDll = NULL; + s_pSecFn = NULL; + } +} + +/* + * Curl_create_sspi_identity() + * + * This is used to populate a SSPI identity structure based on the supplied + * username and password. + * + * Parameters: + * + * userp [in] - The user name in the format User or Domain\User. + * passdwp [in] - The user's password. + * identity [in/out] - The identity structure. + * + * Returns CURLE_OK on success. + */ +CURL_STATIC CURLcode Curl_create_sspi_identity(const char *userp, const char *passwdp, + SEC_WINNT_AUTH_IDENTITY *identity) +{ + xcharp_u useranddomain; + xcharp_u user, dup_user; + xcharp_u domain, dup_domain; + xcharp_u passwd, dup_passwd; + size_t domlen = 0; + + domain.const_tchar_ptr = TEXT(""); + + /* Initialize the identity */ + memset(identity, 0, sizeof(*identity)); + + useranddomain.tchar_ptr = Curl_convert_UTF8_to_tchar((char *)userp); + if(!useranddomain.tchar_ptr) + return CURLE_OUT_OF_MEMORY; + + user.const_tchar_ptr = _tcschr(useranddomain.const_tchar_ptr, TEXT('\\')); + if(!user.const_tchar_ptr) + user.const_tchar_ptr = _tcschr(useranddomain.const_tchar_ptr, TEXT('/')); + + if(user.tchar_ptr) { + domain.tchar_ptr = useranddomain.tchar_ptr; + domlen = user.tchar_ptr - useranddomain.tchar_ptr; + user.tchar_ptr++; + } + else { + user.tchar_ptr = useranddomain.tchar_ptr; + domain.const_tchar_ptr = TEXT(""); + domlen = 0; + } + + /* Setup the identity's user and length */ + dup_user.tchar_ptr = _tcsdup(user.tchar_ptr); + if(!dup_user.tchar_ptr) { + Curl_unicodefree(useranddomain.tchar_ptr); + return CURLE_OUT_OF_MEMORY; + } + identity->User = dup_user.tbyte_ptr; + identity->UserLength = curlx_uztoul(_tcslen(dup_user.tchar_ptr)); + dup_user.tchar_ptr = NULL; + + /* Setup the identity's domain and length */ + dup_domain.tchar_ptr = malloc(sizeof(TCHAR) * (domlen + 1)); + if(!dup_domain.tchar_ptr) { + Curl_unicodefree(useranddomain.tchar_ptr); + return CURLE_OUT_OF_MEMORY; + } + _tcsncpy(dup_domain.tchar_ptr, domain.tchar_ptr, domlen); + *(dup_domain.tchar_ptr + domlen) = TEXT('\0'); + identity->Domain = dup_domain.tbyte_ptr; + identity->DomainLength = curlx_uztoul(domlen); + dup_domain.tchar_ptr = NULL; + + Curl_unicodefree(useranddomain.tchar_ptr); + + /* Setup ntlm identity's password and length */ + passwd.tchar_ptr = Curl_convert_UTF8_to_tchar((char *)passwdp); + if(!passwd.tchar_ptr) + return CURLE_OUT_OF_MEMORY; + dup_passwd.tchar_ptr = _tcsdup(passwd.tchar_ptr); + if(!dup_passwd.tchar_ptr) { + Curl_unicodefree(passwd.tchar_ptr); + return CURLE_OUT_OF_MEMORY; + } + identity->Password = dup_passwd.tbyte_ptr; + identity->PasswordLength = curlx_uztoul(_tcslen(dup_passwd.tchar_ptr)); + dup_passwd.tchar_ptr = NULL; + + Curl_unicodefree(passwd.tchar_ptr); + + /* Setup the identity's flags */ + identity->Flags = SECFLAG_WINNT_AUTH_IDENTITY; + + return CURLE_OK; +} + +CURL_STATIC void Curl_sspi_free_identity(SEC_WINNT_AUTH_IDENTITY *identity) +{ + if(identity) { + Curl_safefree(identity->User); + Curl_safefree(identity->Password); + Curl_safefree(identity->Domain); + } +} + +#endif /* USE_WINDOWS_SSPI */ -- cgit v1.2.3