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_ntlm.c | 232 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 232 insertions(+) create mode 100644 libcurl/src/lib/curl_ntlm.c (limited to 'libcurl/src/lib/curl_ntlm.c') diff --git a/libcurl/src/lib/curl_ntlm.c b/libcurl/src/lib/curl_ntlm.c new file mode 100644 index 0000000..24162bc --- /dev/null +++ b/libcurl/src/lib/curl_ntlm.c @@ -0,0 +1,232 @@ +/*************************************************************************** + * _ _ ____ _ + * 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" + +#if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) + +/* + * NTLM details: + * + * http://davenport.sourceforge.net/ntlm.html + * http://www.innovation.ch/java/ntlm.html + */ + +#define DEBUG_ME 0 + +#include "urldata.h" +#include "sendf.h" +#include "rawstr.h" +#include "curl_ntlm.h" +#include "curl_ntlm_msgs.h" +#include "curl_ntlm_wb.h" +#include "curl_sasl.h" +#include "url.h" +#include "curl_printf.h" + +#if defined(USE_NSS) +#include "vtls/nssg.h" +#elif defined(USE_WINDOWS_SSPI) +#include "curl_sspi.h" +#endif + +/* The last #include files should be: */ +#include "curl_memory.h" +#include "memdebug.h" + +#if DEBUG_ME +# define DEBUG_OUT(x) x +#else +# define DEBUG_OUT(x) Curl_nop_stmt +#endif + +CURLcode Curl_input_ntlm(struct connectdata *conn, + bool proxy, /* if proxy or not */ + const char *header) /* rest of the www-authenticate: + header */ +{ + /* point to the correct struct with this */ + struct ntlmdata *ntlm; + CURLcode result = CURLE_OK; + + ntlm = proxy ? &conn->proxyntlm : &conn->ntlm; + + if(checkprefix("NTLM", header)) { + header += strlen("NTLM"); + + while(*header && ISSPACE(*header)) + header++; + + if(*header) { + result = Curl_sasl_decode_ntlm_type2_message(conn->data, header, ntlm); + if(result) + return result; + + ntlm->state = NTLMSTATE_TYPE2; /* We got a type-2 message */ + } + else { + if(ntlm->state == NTLMSTATE_TYPE3) { + infof(conn->data, "NTLM handshake rejected\n"); + Curl_http_ntlm_cleanup(conn); + ntlm->state = NTLMSTATE_NONE; + return CURLE_REMOTE_ACCESS_DENIED; + } + else if(ntlm->state >= NTLMSTATE_TYPE1) { + infof(conn->data, "NTLM handshake failure (internal error)\n"); + return CURLE_REMOTE_ACCESS_DENIED; + } + + ntlm->state = NTLMSTATE_TYPE1; /* We should send away a type-1 */ + } + } + + return result; +} + +/* + * This is for creating ntlm header output + */ +CURL_STATIC CURLcode Curl_output_ntlm(struct connectdata *conn, bool proxy) +{ + char *base64 = NULL; + size_t len = 0; + CURLcode result; + + /* point to the address of the pointer that holds the string to send to the + server, which is for a plain host or for a HTTP proxy */ + char **allocuserpwd; + + /* point to the name and password for this */ + const char *userp; + const char *passwdp; + + /* point to the correct struct with this */ + struct ntlmdata *ntlm; + struct auth *authp; + + DEBUGASSERT(conn); + DEBUGASSERT(conn->data); + +#ifdef USE_NSS + if(CURLE_OK != Curl_nss_force_init(conn->data)) + return CURLE_OUT_OF_MEMORY; +#endif + + if(proxy) { + allocuserpwd = &conn->allocptr.proxyuserpwd; + userp = conn->proxyuser; + passwdp = conn->proxypasswd; + ntlm = &conn->proxyntlm; + authp = &conn->data->state.authproxy; + } + else { + allocuserpwd = &conn->allocptr.userpwd; + userp = conn->user; + passwdp = conn->passwd; + ntlm = &conn->ntlm; + authp = &conn->data->state.authhost; + } + authp->done = FALSE; + + /* not set means empty */ + if(!userp) + userp = ""; + + if(!passwdp) + passwdp = ""; + +#ifdef USE_WINDOWS_SSPI + if(s_hSecDll == NULL) { + /* not thread safe and leaks - use curl_global_init() to avoid */ + CURLcode err = Curl_sspi_global_init(); + if(s_hSecDll == NULL) + return err; + } +#endif + + switch(ntlm->state) { + case NTLMSTATE_TYPE1: + default: /* for the weird cases we (re)start here */ + /* Create a type-1 message */ + result = Curl_sasl_create_ntlm_type1_message(userp, passwdp, ntlm, &base64, + &len); + if(result) + return result; + + if(base64) { + free(*allocuserpwd); + *allocuserpwd = aprintf("%sAuthorization: NTLM %s\r\n", + proxy ? "Proxy-" : "", + base64); + free(base64); + if(!*allocuserpwd) + return CURLE_OUT_OF_MEMORY; + + DEBUG_OUT(fprintf(stderr, "**** Header %s\n ", *allocuserpwd)); + } + break; + + case NTLMSTATE_TYPE2: + /* We already received the type-2 message, create a type-3 message */ + result = Curl_sasl_create_ntlm_type3_message(conn->data, userp, passwdp, + ntlm, &base64, &len); + if(result) + return result; + + if(base64) { + free(*allocuserpwd); + *allocuserpwd = aprintf("%sAuthorization: NTLM %s\r\n", + proxy ? "Proxy-" : "", + base64); + free(base64); + if(!*allocuserpwd) + return CURLE_OUT_OF_MEMORY; + + DEBUG_OUT(fprintf(stderr, "**** %s\n ", *allocuserpwd)); + + ntlm->state = NTLMSTATE_TYPE3; /* we send a type-3 */ + authp->done = TRUE; + } + break; + + case NTLMSTATE_TYPE3: + /* connection is already authenticated, + * don't send a header in future requests */ + Curl_safefree(*allocuserpwd); + authp->done = TRUE; + break; + } + + return CURLE_OK; +} + +CURL_STATIC void Curl_http_ntlm_cleanup(struct connectdata *conn) +{ + Curl_sasl_ntlm_cleanup(&conn->ntlm); + Curl_sasl_ntlm_cleanup(&conn->proxyntlm); + +#if defined(NTLM_WB_ENABLED) + Curl_ntlm_wb_cleanup(conn); +#endif +} + +#endif /* USE_NTLM */ -- cgit v1.2.3