diff options
Diffstat (limited to 'libcurl/src/lib/curl_ntlm_msgs.c')
| -rw-r--r-- | libcurl/src/lib/curl_ntlm_msgs.c | 819 |
1 files changed, 0 insertions, 819 deletions
diff --git a/libcurl/src/lib/curl_ntlm_msgs.c b/libcurl/src/lib/curl_ntlm_msgs.c deleted file mode 100644 index c46f2a0..0000000 --- a/libcurl/src/lib/curl_ntlm_msgs.c +++ /dev/null @@ -1,819 +0,0 @@ -/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2015, 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.
- *
- ***************************************************************************/
-
-#include "curl_setup.h"
-
-#if defined(USE_NTLM) && !defined(USE_WINDOWS_SSPI)
-
-/*
- * NTLM details:
- *
- * http://davenport.sourceforge.net/ntlm.html
- * http://www.innovation.ch/java/ntlm.html
- */
-
-#define DEBUG_ME 0
-
-#include "urldata.h"
-#include "non-ascii.h"
-#include "sendf.h"
-#include "curl_base64.h"
-#include "curl_ntlm_core.h"
-#include "curl_gethostname.h"
-#include "curl_multibyte.h"
-#include "warnless.h"
-
-#include "vtls/vtls.h"
-
-#ifdef USE_NSS
-#include "vtls/nssg.h" /* for Curl_nss_force_init() */
-#endif
-
-#define BUILDING_CURL_NTLM_MSGS_C
-#include "curl_ntlm_msgs.h"
-#include "curl_sasl.h"
-#include "curl_endian.h"
-#include "curl_printf.h"
-
-/* The last #include files should be: */
-#include "curl_memory.h"
-#include "memdebug.h"
-
-/* "NTLMSSP" signature is always in ASCII regardless of the platform */
-#define NTLMSSP_SIGNATURE "\x4e\x54\x4c\x4d\x53\x53\x50"
-
-#define SHORTPAIR(x) ((x) & 0xff), (((x) >> 8) & 0xff)
-#define LONGQUARTET(x) ((x) & 0xff), (((x) >> 8) & 0xff), \
- (((x) >> 16) & 0xff), (((x) >> 24) & 0xff)
-
-#if DEBUG_ME
-# define DEBUG_OUT(x) x
-static void ntlm_print_flags(FILE *handle, unsigned long flags)
-{
- if(flags & NTLMFLAG_NEGOTIATE_UNICODE)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_UNICODE ");
- if(flags & NTLMFLAG_NEGOTIATE_OEM)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_OEM ");
- if(flags & NTLMFLAG_REQUEST_TARGET)
- fprintf(handle, "NTLMFLAG_REQUEST_TARGET ");
- if(flags & (1<<3))
- fprintf(handle, "NTLMFLAG_UNKNOWN_3 ");
- if(flags & NTLMFLAG_NEGOTIATE_SIGN)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_SIGN ");
- if(flags & NTLMFLAG_NEGOTIATE_SEAL)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_SEAL ");
- if(flags & NTLMFLAG_NEGOTIATE_DATAGRAM_STYLE)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_DATAGRAM_STYLE ");
- if(flags & NTLMFLAG_NEGOTIATE_LM_KEY)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_LM_KEY ");
- if(flags & NTLMFLAG_NEGOTIATE_NETWARE)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_NETWARE ");
- if(flags & NTLMFLAG_NEGOTIATE_NTLM_KEY)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_NTLM_KEY ");
- if(flags & (1<<10))
- fprintf(handle, "NTLMFLAG_UNKNOWN_10 ");
- if(flags & NTLMFLAG_NEGOTIATE_ANONYMOUS)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_ANONYMOUS ");
- if(flags & NTLMFLAG_NEGOTIATE_DOMAIN_SUPPLIED)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_DOMAIN_SUPPLIED ");
- if(flags & NTLMFLAG_NEGOTIATE_WORKSTATION_SUPPLIED)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_WORKSTATION_SUPPLIED ");
- if(flags & NTLMFLAG_NEGOTIATE_LOCAL_CALL)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_LOCAL_CALL ");
- if(flags & NTLMFLAG_NEGOTIATE_ALWAYS_SIGN)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_ALWAYS_SIGN ");
- if(flags & NTLMFLAG_TARGET_TYPE_DOMAIN)
- fprintf(handle, "NTLMFLAG_TARGET_TYPE_DOMAIN ");
- if(flags & NTLMFLAG_TARGET_TYPE_SERVER)
- fprintf(handle, "NTLMFLAG_TARGET_TYPE_SERVER ");
- if(flags & NTLMFLAG_TARGET_TYPE_SHARE)
- fprintf(handle, "NTLMFLAG_TARGET_TYPE_SHARE ");
- if(flags & NTLMFLAG_NEGOTIATE_NTLM2_KEY)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_NTLM2_KEY ");
- if(flags & NTLMFLAG_REQUEST_INIT_RESPONSE)
- fprintf(handle, "NTLMFLAG_REQUEST_INIT_RESPONSE ");
- if(flags & NTLMFLAG_REQUEST_ACCEPT_RESPONSE)
- fprintf(handle, "NTLMFLAG_REQUEST_ACCEPT_RESPONSE ");
- if(flags & NTLMFLAG_REQUEST_NONNT_SESSION_KEY)
- fprintf(handle, "NTLMFLAG_REQUEST_NONNT_SESSION_KEY ");
- if(flags & NTLMFLAG_NEGOTIATE_TARGET_INFO)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_TARGET_INFO ");
- if(flags & (1<<24))
- fprintf(handle, "NTLMFLAG_UNKNOWN_24 ");
- if(flags & (1<<25))
- fprintf(handle, "NTLMFLAG_UNKNOWN_25 ");
- if(flags & (1<<26))
- fprintf(handle, "NTLMFLAG_UNKNOWN_26 ");
- if(flags & (1<<27))
- fprintf(handle, "NTLMFLAG_UNKNOWN_27 ");
- if(flags & (1<<28))
- fprintf(handle, "NTLMFLAG_UNKNOWN_28 ");
- if(flags & NTLMFLAG_NEGOTIATE_128)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_128 ");
- if(flags & NTLMFLAG_NEGOTIATE_KEY_EXCHANGE)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_KEY_EXCHANGE ");
- if(flags & NTLMFLAG_NEGOTIATE_56)
- fprintf(handle, "NTLMFLAG_NEGOTIATE_56 ");
-}
-
-static void ntlm_print_hex(FILE *handle, const char *buf, size_t len)
-{
- const char *p = buf;
- (void)handle;
- fprintf(stderr, "0x");
- while(len-- > 0)
- fprintf(stderr, "%02.2x", (unsigned int)*p++);
-}
-#else
-# define DEBUG_OUT(x) Curl_nop_stmt
-#endif
-
-/*
- * ntlm_decode_type2_target()
- *
- * This is used to decode the "target info" in the ntlm type-2 message
- * received.
- *
- * Parameters:
- *
- * data [in] - The session handle.
- * buffer [in] - The decoded type-2 message.
- * size [in] - The input buffer size, at least 32 bytes.
- * ntlm [in/out] - The ntlm data struct being used and modified.
- *
- * Returns CURLE_OK on success.
- */
-static CURLcode ntlm_decode_type2_target(struct SessionHandle *data,
- unsigned char *buffer,
- size_t size,
- struct ntlmdata *ntlm)
-{
- unsigned short target_info_len = 0;
- unsigned int target_info_offset = 0;
-
- Curl_safefree(ntlm->target_info);
- ntlm->target_info_len = 0;
-
- if(size >= 48) {
- target_info_len = Curl_read16_le(&buffer[40]);
- target_info_offset = Curl_read32_le(&buffer[44]);
- if(target_info_len > 0) {
- if(((target_info_offset + target_info_len) > size) ||
- (target_info_offset < 48)) {
- infof(data, "NTLM handshake failure (bad type-2 message). "
- "Target Info Offset Len is set incorrect by the peer\n");
- return CURLE_BAD_CONTENT_ENCODING;
- }
-
- ntlm->target_info = malloc(target_info_len);
- if(!ntlm->target_info)
- return CURLE_OUT_OF_MEMORY;
-
- memcpy(ntlm->target_info, &buffer[target_info_offset], target_info_len);
- }
- }
-
- ntlm->target_info_len = target_info_len;
-
- return CURLE_OK;
-}
-
-/*
- NTLM message structure notes:
-
- A 'short' is a 'network short', a little-endian 16-bit unsigned value.
-
- A 'long' is a 'network long', a little-endian, 32-bit unsigned value.
-
- A 'security buffer' represents a triplet used to point to a buffer,
- consisting of two shorts and one long:
-
- 1. A 'short' containing the length of the buffer content in bytes.
- 2. A 'short' containing the allocated space for the buffer in bytes.
- 3. A 'long' containing the offset to the start of the buffer in bytes,
- from the beginning of the NTLM message.
-*/
-
-/*
- * Curl_sasl_decode_ntlm_type2_message()
- *
- * This is used to decode an already encoded NTLM type-2 message. The message
- * is first decoded from a base64 string into a raw NTLM message and checked
- * for validity before the appropriate data for creating a type-3 message is
- * written to the given NTLM data structure.
- *
- * Parameters:
- *
- * data [in] - The session handle.
- * type2msg [in] - The base64 encoded type-2 message.
- * ntlm [in/out] - The ntlm data struct being used and modified.
- *
- * Returns CURLE_OK on success.
- */
-CURL_STATIC CURLcode Curl_sasl_decode_ntlm_type2_message(struct SessionHandle *data,
- const char *header,
- struct ntlmdata *ntlm)
-{
- static const char type2_marker[] = { 0x02, 0x00, 0x00, 0x00 };
-
- /* NTLM type-2 message structure:
-
- Index Description Content
- 0 NTLMSSP Signature Null-terminated ASCII "NTLMSSP"
- (0x4e544c4d53535000)
- 8 NTLM Message Type long (0x02000000)
- 12 Target Name security buffer
- 20 Flags long
- 24 Challenge 8 bytes
- (32) Context 8 bytes (two consecutive longs) (*)
- (40) Target Information security buffer (*)
- (48) OS Version Structure 8 bytes (*)
- 32 (48) (56) Start of data block (*)
- (*) -> Optional
- */
-
- CURLcode result = CURLE_OK;
- unsigned char *type2 = NULL;
- size_t type2_len = 0;
-
-#if defined(USE_NSS)
- /* Make sure the crypto backend is initialized */
- result = Curl_nss_force_init(data);
- if(result)
- return result;
-#elif defined(CURL_DISABLE_VERBOSE_STRINGS)
- (void)data;
-#endif
-
- /* Decode the base-64 encoded type-2 message */
- if(strlen(type2msg) && *type2msg != '=') {
- result = Curl_base64_decode(type2msg, &type2, &type2_len);
- if(result)
- return result;
- }
-
- /* Ensure we have a valid type-2 message */
- if(!type2) {
- infof(data, "NTLM handshake failure (empty type-2 message)\n");
- return CURLE_BAD_CONTENT_ENCODING;
- }
-
- ntlm->flags = 0;
-
- if((type2_len < 32) ||
- (memcmp(type2, NTLMSSP_SIGNATURE, 8) != 0) ||
- (memcmp(type2 + 8, type2_marker, sizeof(type2_marker)) != 0)) {
- /* This was not a good enough type-2 message */
- free(type2);
- infof(data, "NTLM handshake failure (bad type-2 message)\n");
- return CURLE_BAD_CONTENT_ENCODING;
- }
-
- ntlm->flags = Curl_read32_le(&type2[20]);
- memcpy(ntlm->nonce, &type2[24], 8);
-
- if(ntlm->flags & NTLMFLAG_NEGOTIATE_TARGET_INFO) {
- result = ntlm_decode_type2_target(data, type2, type2_len, ntlm);
- if(result) {
- free(type2);
- infof(data, "NTLM handshake failure (bad type-2 message)\n");
- return result;
- }
- }
-
- DEBUG_OUT({
- fprintf(stderr, "**** TYPE2 header flags=0x%08.8lx ", ntlm->flags);
- ntlm_print_flags(stderr, ntlm->flags);
- fprintf(stderr, "\n nonce=");
- ntlm_print_hex(stderr, (char *)ntlm->nonce, 8);
- fprintf(stderr, "\n****\n");
- fprintf(stderr, "**** Header %s\n ", header);
- });
-
- free(type2);
-
- return result;
-}
-
-/* copy the source to the destination and fill in zeroes in every
- other destination byte! */
-static void unicodecpy(unsigned char *dest, const char *src, size_t length)
-{
- size_t i;
- for(i = 0; i < length; i++) {
- dest[2 * i] = (unsigned char)src[i];
- dest[2 * i + 1] = '\0';
- }
-}
-
-/*
- * Curl_sasl_create_ntlm_type1_message()
- *
- * This is used to generate an already encoded NTLM type-1 message ready for
- * sending to the recipient using the appropriate compile time crypto API.
- *
- * Parameters:
- *
- * userp [in] - The user name in the format User or Domain\User.
- * passdwp [in] - The user's password.
- * ntlm [in/out] - The ntlm data struct being used and modified.
- * outptr [in/out] - The address where a pointer to newly allocated memory
- * holding the result will be stored upon completion.
- * outlen [out] - The length of the output message.
- *
- * Returns CURLE_OK on success.
- */
-CURL_STATIC CURLcode Curl_sasl_create_ntlm_type1_message(const char *userp,
- const char *passwdp,
- struct ntlmdata *ntlm,
- char **outptr, size_t *outlen)
-{
- /* NTLM type-1 message structure:
-
- Index Description Content
- 0 NTLMSSP Signature Null-terminated ASCII "NTLMSSP"
- (0x4e544c4d53535000)
- 8 NTLM Message Type long (0x01000000)
- 12 Flags long
- (16) Supplied Domain security buffer (*)
- (24) Supplied Workstation security buffer (*)
- (32) OS Version Structure 8 bytes (*)
- (32) (40) Start of data block (*)
- (*) -> Optional
- */
-
- size_t size;
-
- unsigned char ntlmbuf[NTLM_BUFSIZE];
- const char *host = ""; /* empty */
- const char *domain = ""; /* empty */
- size_t hostlen = 0;
- size_t domlen = 0;
- size_t hostoff = 0;
- size_t domoff = hostoff + hostlen; /* This is 0: remember that host and
- domain are empty */
- (void)userp;
- (void)passwdp;
-
- /* Clean up any former leftovers and initialise to defaults */
- Curl_sasl_ntlm_cleanup(ntlm);
-
-#if USE_NTRESPONSES && USE_NTLM2SESSION
-#define NTLM2FLAG NTLMFLAG_NEGOTIATE_NTLM2_KEY
-#else
-#define NTLM2FLAG 0
-#endif
- snprintf((char *)ntlmbuf, NTLM_BUFSIZE,
- NTLMSSP_SIGNATURE "%c"
- "\x01%c%c%c" /* 32-bit type = 1 */
- "%c%c%c%c" /* 32-bit NTLM flag field */
- "%c%c" /* domain length */
- "%c%c" /* domain allocated space */
- "%c%c" /* domain name offset */
- "%c%c" /* 2 zeroes */
- "%c%c" /* host length */
- "%c%c" /* host allocated space */
- "%c%c" /* host name offset */
- "%c%c" /* 2 zeroes */
- "%s" /* host name */
- "%s", /* domain string */
- 0, /* trailing zero */
- 0, 0, 0, /* part of type-1 long */
-
- LONGQUARTET(NTLMFLAG_NEGOTIATE_OEM |
- NTLMFLAG_REQUEST_TARGET |
- NTLMFLAG_NEGOTIATE_NTLM_KEY |
- NTLM2FLAG |
- NTLMFLAG_NEGOTIATE_ALWAYS_SIGN),
- SHORTPAIR(domlen),
- SHORTPAIR(domlen),
- SHORTPAIR(domoff),
- 0, 0,
- SHORTPAIR(hostlen),
- SHORTPAIR(hostlen),
- SHORTPAIR(hostoff),
- 0, 0,
- host, /* this is empty */
- domain /* this is empty */);
-
- /* Initial packet length */
- size = 32 + hostlen + domlen;
-
- DEBUG_OUT({
- fprintf(stderr, "* TYPE1 header flags=0x%02.2x%02.2x%02.2x%02.2x "
- "0x%08.8x ",
- LONGQUARTET(NTLMFLAG_NEGOTIATE_OEM |
- NTLMFLAG_REQUEST_TARGET |
- NTLMFLAG_NEGOTIATE_NTLM_KEY |
- NTLM2FLAG |
- NTLMFLAG_NEGOTIATE_ALWAYS_SIGN),
- NTLMFLAG_NEGOTIATE_OEM |
- NTLMFLAG_REQUEST_TARGET |
- NTLMFLAG_NEGOTIATE_NTLM_KEY |
- NTLM2FLAG |
- NTLMFLAG_NEGOTIATE_ALWAYS_SIGN);
- ntlm_print_flags(stderr,
- NTLMFLAG_NEGOTIATE_OEM |
- NTLMFLAG_REQUEST_TARGET |
- NTLMFLAG_NEGOTIATE_NTLM_KEY |
- NTLM2FLAG |
- NTLMFLAG_NEGOTIATE_ALWAYS_SIGN);
- fprintf(stderr, "\n****\n");
- });
-
- /* Return with binary blob encoded into base64 */
- return Curl_base64_encode(NULL, (char *)ntlmbuf, size, outptr, outlen);
-}
-
-/*
- * Curl_sasl_create_ntlm_type3_message()
- *
- * This is used to generate an already encoded NTLM type-3 message ready for
- * sending to the recipient using the appropriate compile time crypto API.
- *
- * Parameters:
- *
- * data [in] - The session handle.
- * userp [in] - The user name in the format User or Domain\User.
- * passdwp [in] - The user's password.
- * ntlm [in/out] - The ntlm data struct being used and modified.
- * outptr [in/out] - The address where a pointer to newly allocated memory
- * holding the result will be stored upon completion.
- * outlen [out] - The length of the output message.
- *
- * Returns CURLE_OK on success.
- */
-CURL_STATIC CURLcode Curl_sasl_create_ntlm_type3_message(struct SessionHandle *data,
- const char *userp,
- const char *passwdp,
- struct ntlmdata *ntlm,
- char **outptr, size_t *outlen)
-{
- /* NTLM type-3 message structure:
-
- Index Description Content
- 0 NTLMSSP Signature Null-terminated ASCII "NTLMSSP"
- (0x4e544c4d53535000)
- 8 NTLM Message Type long (0x03000000)
- 12 LM/LMv2 Response security buffer
- 20 NTLM/NTLMv2 Response security buffer
- 28 Target Name security buffer
- 36 User Name security buffer
- 44 Workstation Name security buffer
- (52) Session Key security buffer (*)
- (60) Flags long (*)
- (64) OS Version Structure 8 bytes (*)
- 52 (64) (72) Start of data block
- (*) -> Optional
- */
-
- CURLcode result = CURLE_OK;
- size_t size;
- unsigned char ntlmbuf[NTLM_BUFSIZE];
- int lmrespoff;
- unsigned char lmresp[24]; /* fixed-size */
-#if USE_NTRESPONSES
- int ntrespoff;
- unsigned int ntresplen = 24;
- unsigned char ntresp[24]; /* fixed-size */
- unsigned char *ptr_ntresp = &ntresp[0];
- unsigned char *ntlmv2resp = NULL;
-#endif
- bool unicode = (ntlm->flags & NTLMFLAG_NEGOTIATE_UNICODE) ? TRUE : FALSE;
- char host[HOSTNAME_MAX + 1] = "";
- const char *user;
- const char *domain = "";
- size_t hostoff = 0;
- size_t useroff = 0;
- size_t domoff = 0;
- size_t hostlen = 0;
- size_t userlen = 0;
- size_t domlen = 0;
-
- user = strchr(userp, '\\');
- if(!user)
- user = strchr(userp, '/');
-
- if(user) {
- domain = userp;
- domlen = (user - domain);
- user++;
- }
- else
- user = userp;
-
- if(user)
- userlen = strlen(user);
-
- /* Get the machine's un-qualified host name as NTLM doesn't like the fully
- qualified domain name */
- if(Curl_gethostname(host, sizeof(host))) {
- infof(data, "gethostname() failed, continuing without!\n");
- hostlen = 0;
- }
- else {
- hostlen = strlen(host);
- }
-
-#if USE_NTRESPONSES && USE_NTLM_V2
- if(ntlm->target_info_len) {
- unsigned char ntbuffer[0x18];
- unsigned int entropy[2];
- unsigned char ntlmv2hash[0x18];
-
- entropy[0] = Curl_rand(data);
- entropy[1] = Curl_rand(data);
-
- result = Curl_ntlm_core_mk_nt_hash(data, passwdp, ntbuffer);
- if(result)
- return result;
-
- result = Curl_ntlm_core_mk_ntlmv2_hash(user, userlen, domain, domlen,
- ntbuffer, ntlmv2hash);
- if(result)
- return result;
-
- /* LMv2 response */
- result = Curl_ntlm_core_mk_lmv2_resp(ntlmv2hash,
- (unsigned char *)&entropy[0],
- &ntlm->nonce[0], lmresp);
- if(result)
- return result;
-
- /* NTLMv2 response */
- result = Curl_ntlm_core_mk_ntlmv2_resp(ntlmv2hash,
- (unsigned char *)&entropy[0],
- ntlm, &ntlmv2resp, &ntresplen);
- if(result)
- return result;
-
- ptr_ntresp = ntlmv2resp;
- }
- else
-#endif
-
-#if USE_NTRESPONSES && USE_NTLM2SESSION
- /* We don't support NTLM2 if we don't have USE_NTRESPONSES */
- if(ntlm->flags & NTLMFLAG_NEGOTIATE_NTLM2_KEY) {
- unsigned char ntbuffer[0x18];
- unsigned char tmp[0x18];
- unsigned char md5sum[MD5_DIGEST_LENGTH];
- unsigned int entropy[2];
-
- /* Need to create 8 bytes random data */
- entropy[0] = Curl_rand(data);
- entropy[1] = Curl_rand(data);
-
- /* 8 bytes random data as challenge in lmresp */
- memcpy(lmresp, entropy, 8);
-
- /* Pad with zeros */
- memset(lmresp + 8, 0, 0x10);
-
- /* Fill tmp with challenge(nonce?) + entropy */
- memcpy(tmp, &ntlm->nonce[0], 8);
- memcpy(tmp + 8, entropy, 8);
-
- result = Curl_ssl_md5sum(tmp, 16, md5sum, MD5_DIGEST_LENGTH);
- if(!result)
- /* We shall only use the first 8 bytes of md5sum, but the des code in
- Curl_ntlm_core_lm_resp only encrypt the first 8 bytes */
- result = Curl_ntlm_core_mk_nt_hash(data, passwdp, ntbuffer);
- if(result)
- return result;
-
- Curl_ntlm_core_lm_resp(ntbuffer, md5sum, ntresp);
-
- /* End of NTLM2 Session code */
-
- }
- else
-#endif
- {
-
-#if USE_NTRESPONSES
- unsigned char ntbuffer[0x18];
-#endif
- unsigned char lmbuffer[0x18];
-
-#if USE_NTRESPONSES
- result = Curl_ntlm_core_mk_nt_hash(data, passwdp, ntbuffer);
- if(result)
- return result;
-
- Curl_ntlm_core_lm_resp(ntbuffer, &ntlm->nonce[0], ntresp);
-#endif
-
- result = Curl_ntlm_core_mk_lm_hash(data, passwdp, lmbuffer);
- if(result)
- return result;
-
- Curl_ntlm_core_lm_resp(lmbuffer, &ntlm->nonce[0], lmresp);
-
- /* A safer but less compatible alternative is:
- * Curl_ntlm_core_lm_resp(ntbuffer, &ntlm->nonce[0], lmresp);
- * See http://davenport.sourceforge.net/ntlm.html#ntlmVersion2 */
- }
-
- if(unicode) {
- domlen = domlen * 2;
- userlen = userlen * 2;
- hostlen = hostlen * 2;
- }
-
- lmrespoff = 64; /* size of the message header */
-#if USE_NTRESPONSES
- ntrespoff = lmrespoff + 0x18;
- domoff = ntrespoff + ntresplen;
-#else
- domoff = lmrespoff + 0x18;
-#endif
- useroff = domoff + domlen;
- hostoff = useroff + userlen;
-
- /* Create the big type-3 message binary blob */
- size = snprintf((char *)ntlmbuf, NTLM_BUFSIZE,
- NTLMSSP_SIGNATURE "%c"
- "\x03%c%c%c" /* 32-bit type = 3 */
-
- "%c%c" /* LanManager length */
- "%c%c" /* LanManager allocated space */
- "%c%c" /* LanManager offset */
- "%c%c" /* 2 zeroes */
-
- "%c%c" /* NT-response length */
- "%c%c" /* NT-response allocated space */
- "%c%c" /* NT-response offset */
- "%c%c" /* 2 zeroes */
-
- "%c%c" /* domain length */
- "%c%c" /* domain allocated space */
- "%c%c" /* domain name offset */
- "%c%c" /* 2 zeroes */
-
- "%c%c" /* user length */
- "%c%c" /* user allocated space */
- "%c%c" /* user offset */
- "%c%c" /* 2 zeroes */
-
- "%c%c" /* host length */
- "%c%c" /* host allocated space */
- "%c%c" /* host offset */
- "%c%c" /* 2 zeroes */
-
- "%c%c" /* session key length (unknown purpose) */
- "%c%c" /* session key allocated space (unknown purpose) */
- "%c%c" /* session key offset (unknown purpose) */
- "%c%c" /* 2 zeroes */
-
- "%c%c%c%c", /* flags */
-
- /* domain string */
- /* user string */
- /* host string */
- /* LanManager response */
- /* NT response */
-
- 0, /* zero termination */
- 0, 0, 0, /* type-3 long, the 24 upper bits */
-
- SHORTPAIR(0x18), /* LanManager response length, twice */
- SHORTPAIR(0x18),
- SHORTPAIR(lmrespoff),
- 0x0, 0x0,
-
-#if USE_NTRESPONSES
- SHORTPAIR(ntresplen), /* NT-response length, twice */
- SHORTPAIR(ntresplen),
- SHORTPAIR(ntrespoff),
- 0x0, 0x0,
-#else
- 0x0, 0x0,
- 0x0, 0x0,
- 0x0, 0x0,
- 0x0, 0x0,
-#endif
- SHORTPAIR(domlen),
- SHORTPAIR(domlen),
- SHORTPAIR(domoff),
- 0x0, 0x0,
-
- SHORTPAIR(userlen),
- SHORTPAIR(userlen),
- SHORTPAIR(useroff),
- 0x0, 0x0,
-
- SHORTPAIR(hostlen),
- SHORTPAIR(hostlen),
- SHORTPAIR(hostoff),
- 0x0, 0x0,
-
- 0x0, 0x0,
- 0x0, 0x0,
- 0x0, 0x0,
- 0x0, 0x0,
-
- LONGQUARTET(ntlm->flags));
-
- DEBUGASSERT(size == 64);
- DEBUGASSERT(size == (size_t)lmrespoff);
-
- /* We append the binary hashes */
- if(size < (NTLM_BUFSIZE - 0x18)) {
- memcpy(&ntlmbuf[size], lmresp, 0x18);
- size += 0x18;
- }
-
- DEBUG_OUT({
- fprintf(stderr, "**** TYPE3 header lmresp=");
- ntlm_print_hex(stderr, (char *)&ntlmbuf[lmrespoff], 0x18);
- });
-
-#if USE_NTRESPONSES
- if(size < (NTLM_BUFSIZE - ntresplen)) {
- DEBUGASSERT(size == (size_t)ntrespoff);
- memcpy(&ntlmbuf[size], ptr_ntresp, ntresplen);
- size += ntresplen;
- }
-
- DEBUG_OUT({
- fprintf(stderr, "\n ntresp=");
- ntlm_print_hex(stderr, (char *)&ntlmbuf[ntrespoff], ntresplen);
- });
-
- free(ntlmv2resp);/* Free the dynamic buffer allocated for NTLMv2 */
-
-#endif
-
- DEBUG_OUT({
- fprintf(stderr, "\n flags=0x%02.2x%02.2x%02.2x%02.2x 0x%08.8x ",
- LONGQUARTET(ntlm->flags), ntlm->flags);
- ntlm_print_flags(stderr, ntlm->flags);
- fprintf(stderr, "\n****\n");
- });
-
- /* Make sure that the domain, user and host strings fit in the
- buffer before we copy them there. */
- if(size + userlen + domlen + hostlen >= NTLM_BUFSIZE) {
- failf(data, "user + domain + host name too big");
- return CURLE_OUT_OF_MEMORY;
- }
-
- DEBUGASSERT(size == domoff);
- if(unicode)
- unicodecpy(&ntlmbuf[size], domain, domlen / 2);
- else
- memcpy(&ntlmbuf[size], domain, domlen);
-
- size += domlen;
-
- DEBUGASSERT(size == useroff);
- if(unicode)
- unicodecpy(&ntlmbuf[size], user, userlen / 2);
- else
- memcpy(&ntlmbuf[size], user, userlen);
-
- size += userlen;
-
- DEBUGASSERT(size == hostoff);
- if(unicode)
- unicodecpy(&ntlmbuf[size], host, hostlen / 2);
- else
- memcpy(&ntlmbuf[size], host, hostlen);
-
- size += hostlen;
-
- /* Convert domain, user, and host to ASCII but leave the rest as-is */
- result = Curl_convert_to_network(data, (char *)&ntlmbuf[domoff],
- size - domoff);
- if(result)
- return CURLE_CONV_FAILED;
-
- /* Return with binary blob encoded into base64 */
- result = Curl_base64_encode(NULL, (char *)ntlmbuf, size, outptr, outlen);
-
- Curl_sasl_ntlm_cleanup(ntlm);
-
- return result;
-}
-
-#endif /* USE_NTLM && !USE_WINDOWS_SSPI */
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