1 /***************************************************************************
3 * Project ___| | | | _ \| |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
8 * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.haxx.se/docs/copyright.html.
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
21 ***************************************************************************/
23 #include "curl_setup.h"
25 #if defined(USE_NTLM) && !defined(USE_WINDOWS_SSPI)
30 * http://davenport.sourceforge.net/ntlm.html
31 * https://www.innovation.ch/java/ntlm.html
37 #include "non-ascii.h"
39 #include "curl_base64.h"
40 #include "curl_ntlm_core.h"
41 #include "curl_gethostname.h"
42 #include "curl_multibyte.h"
45 #include "vtls/vtls.h"
48 #include "vtls/nssg.h" /* for Curl_nss_force_init() */
51 #define BUILDING_CURL_NTLM_MSGS_C
52 #include "vauth/vauth.h"
53 #include "vauth/ntlm.h"
54 #include "curl_endian.h"
55 #include "curl_printf.h"
57 /* The last #include files should be: */
58 #include "curl_memory.h"
61 /* "NTLMSSP" signature is always in ASCII regardless of the platform */
62 #define NTLMSSP_SIGNATURE "\x4e\x54\x4c\x4d\x53\x53\x50"
64 #define SHORTPAIR(x) ((x) & 0xff), (((x) >> 8) & 0xff)
65 #define LONGQUARTET(x) ((x) & 0xff), (((x) >> 8) & 0xff), \
66 (((x) >> 16) & 0xff), (((x) >> 24) & 0xff)
69 # define DEBUG_OUT(x) x
70 static void ntlm_print_flags(FILE *handle, unsigned long flags)
72 if(flags & NTLMFLAG_NEGOTIATE_UNICODE)
73 fprintf(handle, "NTLMFLAG_NEGOTIATE_UNICODE ");
74 if(flags & NTLMFLAG_NEGOTIATE_OEM)
75 fprintf(handle, "NTLMFLAG_NEGOTIATE_OEM ");
76 if(flags & NTLMFLAG_REQUEST_TARGET)
77 fprintf(handle, "NTLMFLAG_REQUEST_TARGET ");
79 fprintf(handle, "NTLMFLAG_UNKNOWN_3 ");
80 if(flags & NTLMFLAG_NEGOTIATE_SIGN)
81 fprintf(handle, "NTLMFLAG_NEGOTIATE_SIGN ");
82 if(flags & NTLMFLAG_NEGOTIATE_SEAL)
83 fprintf(handle, "NTLMFLAG_NEGOTIATE_SEAL ");
84 if(flags & NTLMFLAG_NEGOTIATE_DATAGRAM_STYLE)
85 fprintf(handle, "NTLMFLAG_NEGOTIATE_DATAGRAM_STYLE ");
86 if(flags & NTLMFLAG_NEGOTIATE_LM_KEY)
87 fprintf(handle, "NTLMFLAG_NEGOTIATE_LM_KEY ");
88 if(flags & NTLMFLAG_NEGOTIATE_NETWARE)
89 fprintf(handle, "NTLMFLAG_NEGOTIATE_NETWARE ");
90 if(flags & NTLMFLAG_NEGOTIATE_NTLM_KEY)
91 fprintf(handle, "NTLMFLAG_NEGOTIATE_NTLM_KEY ");
93 fprintf(handle, "NTLMFLAG_UNKNOWN_10 ");
94 if(flags & NTLMFLAG_NEGOTIATE_ANONYMOUS)
95 fprintf(handle, "NTLMFLAG_NEGOTIATE_ANONYMOUS ");
96 if(flags & NTLMFLAG_NEGOTIATE_DOMAIN_SUPPLIED)
97 fprintf(handle, "NTLMFLAG_NEGOTIATE_DOMAIN_SUPPLIED ");
98 if(flags & NTLMFLAG_NEGOTIATE_WORKSTATION_SUPPLIED)
99 fprintf(handle, "NTLMFLAG_NEGOTIATE_WORKSTATION_SUPPLIED ");
100 if(flags & NTLMFLAG_NEGOTIATE_LOCAL_CALL)
101 fprintf(handle, "NTLMFLAG_NEGOTIATE_LOCAL_CALL ");
102 if(flags & NTLMFLAG_NEGOTIATE_ALWAYS_SIGN)
103 fprintf(handle, "NTLMFLAG_NEGOTIATE_ALWAYS_SIGN ");
104 if(flags & NTLMFLAG_TARGET_TYPE_DOMAIN)
105 fprintf(handle, "NTLMFLAG_TARGET_TYPE_DOMAIN ");
106 if(flags & NTLMFLAG_TARGET_TYPE_SERVER)
107 fprintf(handle, "NTLMFLAG_TARGET_TYPE_SERVER ");
108 if(flags & NTLMFLAG_TARGET_TYPE_SHARE)
109 fprintf(handle, "NTLMFLAG_TARGET_TYPE_SHARE ");
110 if(flags & NTLMFLAG_NEGOTIATE_NTLM2_KEY)
111 fprintf(handle, "NTLMFLAG_NEGOTIATE_NTLM2_KEY ");
112 if(flags & NTLMFLAG_REQUEST_INIT_RESPONSE)
113 fprintf(handle, "NTLMFLAG_REQUEST_INIT_RESPONSE ");
114 if(flags & NTLMFLAG_REQUEST_ACCEPT_RESPONSE)
115 fprintf(handle, "NTLMFLAG_REQUEST_ACCEPT_RESPONSE ");
116 if(flags & NTLMFLAG_REQUEST_NONNT_SESSION_KEY)
117 fprintf(handle, "NTLMFLAG_REQUEST_NONNT_SESSION_KEY ");
118 if(flags & NTLMFLAG_NEGOTIATE_TARGET_INFO)
119 fprintf(handle, "NTLMFLAG_NEGOTIATE_TARGET_INFO ");
121 fprintf(handle, "NTLMFLAG_UNKNOWN_24 ");
123 fprintf(handle, "NTLMFLAG_UNKNOWN_25 ");
125 fprintf(handle, "NTLMFLAG_UNKNOWN_26 ");
127 fprintf(handle, "NTLMFLAG_UNKNOWN_27 ");
129 fprintf(handle, "NTLMFLAG_UNKNOWN_28 ");
130 if(flags & NTLMFLAG_NEGOTIATE_128)
131 fprintf(handle, "NTLMFLAG_NEGOTIATE_128 ");
132 if(flags & NTLMFLAG_NEGOTIATE_KEY_EXCHANGE)
133 fprintf(handle, "NTLMFLAG_NEGOTIATE_KEY_EXCHANGE ");
134 if(flags & NTLMFLAG_NEGOTIATE_56)
135 fprintf(handle, "NTLMFLAG_NEGOTIATE_56 ");
138 static void ntlm_print_hex(FILE *handle, const char *buf, size_t len)
144 fprintf(stderr, "0x");
146 fprintf(stderr, "%02.2x", (unsigned int)*p++);
149 # define DEBUG_OUT(x) Curl_nop_stmt
153 * ntlm_decode_type2_target()
155 * This is used to decode the "target info" in the NTLM type-2 message
160 * data [in] - The session handle.
161 * buffer [in] - The decoded type-2 message.
162 * size [in] - The input buffer size, at least 32 bytes.
163 * ntlm [in/out] - The NTLM data struct being used and modified.
165 * Returns CURLE_OK on success.
167 static CURLcode ntlm_decode_type2_target(struct Curl_easy *data,
168 unsigned char *buffer,
170 struct ntlmdata *ntlm)
172 unsigned short target_info_len = 0;
173 unsigned int target_info_offset = 0;
175 #if defined(CURL_DISABLE_VERBOSE_STRINGS)
180 target_info_len = Curl_read16_le(&buffer[40]);
181 target_info_offset = Curl_read32_le(&buffer[44]);
182 if(target_info_len > 0) {
183 if(((target_info_offset + target_info_len) > size) ||
184 (target_info_offset < 48)) {
185 infof(data, "NTLM handshake failure (bad type-2 message). "
186 "Target Info Offset Len is set incorrect by the peer\n");
187 return CURLE_BAD_CONTENT_ENCODING;
190 ntlm->target_info = malloc(target_info_len);
191 if(!ntlm->target_info)
192 return CURLE_OUT_OF_MEMORY;
194 memcpy(ntlm->target_info, &buffer[target_info_offset], target_info_len);
198 ntlm->target_info_len = target_info_len;
204 NTLM message structure notes:
206 A 'short' is a 'network short', a little-endian 16-bit unsigned value.
208 A 'long' is a 'network long', a little-endian, 32-bit unsigned value.
210 A 'security buffer' represents a triplet used to point to a buffer,
211 consisting of two shorts and one long:
213 1. A 'short' containing the length of the buffer content in bytes.
214 2. A 'short' containing the allocated space for the buffer in bytes.
215 3. A 'long' containing the offset to the start of the buffer in bytes,
216 from the beginning of the NTLM message.
220 * Curl_auth_is_ntlm_supported()
222 * This is used to evaluate if NTLM is supported.
226 * Returns TRUE as NTLM as handled by libcurl.
228 bool Curl_auth_is_ntlm_supported(void)
234 * Curl_auth_decode_ntlm_type2_message()
236 * This is used to decode an already encoded NTLM type-2 message. The message
237 * is first decoded from a base64 string into a raw NTLM message and checked
238 * for validity before the appropriate data for creating a type-3 message is
239 * written to the given NTLM data structure.
243 * data [in] - The session handle.
244 * type2msg [in] - The base64 encoded type-2 message.
245 * ntlm [in/out] - The NTLM data struct being used and modified.
247 * Returns CURLE_OK on success.
249 CURLcode Curl_auth_decode_ntlm_type2_message(struct Curl_easy *data,
250 const char *type2msg,
251 struct ntlmdata *ntlm)
253 static const char type2_marker[] = { 0x02, 0x00, 0x00, 0x00 };
255 /* NTLM type-2 message structure:
257 Index Description Content
258 0 NTLMSSP Signature Null-terminated ASCII "NTLMSSP"
260 8 NTLM Message Type long (0x02000000)
261 12 Target Name security buffer
264 (32) Context 8 bytes (two consecutive longs) (*)
265 (40) Target Information security buffer (*)
266 (48) OS Version Structure 8 bytes (*)
267 32 (48) (56) Start of data block (*)
271 CURLcode result = CURLE_OK;
272 unsigned char *type2 = NULL;
273 size_t type2_len = 0;
276 /* Make sure the crypto backend is initialized */
277 result = Curl_nss_force_init(data);
280 #elif defined(CURL_DISABLE_VERBOSE_STRINGS)
284 /* Decode the base-64 encoded type-2 message */
285 if(strlen(type2msg) && *type2msg != '=') {
286 result = Curl_base64_decode(type2msg, &type2, &type2_len);
291 /* Ensure we have a valid type-2 message */
293 infof(data, "NTLM handshake failure (empty type-2 message)\n");
294 return CURLE_BAD_CONTENT_ENCODING;
299 if((type2_len < 32) ||
300 (memcmp(type2, NTLMSSP_SIGNATURE, 8) != 0) ||
301 (memcmp(type2 + 8, type2_marker, sizeof(type2_marker)) != 0)) {
302 /* This was not a good enough type-2 message */
304 infof(data, "NTLM handshake failure (bad type-2 message)\n");
305 return CURLE_BAD_CONTENT_ENCODING;
308 ntlm->flags = Curl_read32_le(&type2[20]);
309 memcpy(ntlm->nonce, &type2[24], 8);
311 if(ntlm->flags & NTLMFLAG_NEGOTIATE_TARGET_INFO) {
312 result = ntlm_decode_type2_target(data, type2, type2_len, ntlm);
315 infof(data, "NTLM handshake failure (bad type-2 message)\n");
321 fprintf(stderr, "**** TYPE2 header flags=0x%08.8lx ", ntlm->flags);
322 ntlm_print_flags(stderr, ntlm->flags);
323 fprintf(stderr, "\n nonce=");
324 ntlm_print_hex(stderr, (char *)ntlm->nonce, 8);
325 fprintf(stderr, "\n****\n");
326 fprintf(stderr, "**** Header %s\n ", header);
334 /* copy the source to the destination and fill in zeroes in every
335 other destination byte! */
336 static void unicodecpy(unsigned char *dest, const char *src, size_t length)
339 for(i = 0; i < length; i++) {
340 dest[2 * i] = (unsigned char)src[i];
341 dest[2 * i + 1] = '\0';
346 * Curl_auth_create_ntlm_type1_message()
348 * This is used to generate an already encoded NTLM type-1 message ready for
349 * sending to the recipient using the appropriate compile time crypto API.
353 * userp [in] - The user name in the format User or Domain\User.
354 * passdwp [in] - The user's password.
355 * ntlm [in/out] - The NTLM data struct being used and modified.
356 * outptr [in/out] - The address where a pointer to newly allocated memory
357 * holding the result will be stored upon completion.
358 * outlen [out] - The length of the output message.
360 * Returns CURLE_OK on success.
362 CURLcode Curl_auth_create_ntlm_type1_message(const char *userp,
364 struct ntlmdata *ntlm,
365 char **outptr, size_t *outlen)
367 /* NTLM type-1 message structure:
369 Index Description Content
370 0 NTLMSSP Signature Null-terminated ASCII "NTLMSSP"
372 8 NTLM Message Type long (0x01000000)
374 (16) Supplied Domain security buffer (*)
375 (24) Supplied Workstation security buffer (*)
376 (32) OS Version Structure 8 bytes (*)
377 (32) (40) Start of data block (*)
383 unsigned char ntlmbuf[NTLM_BUFSIZE];
384 const char *host = ""; /* empty */
385 const char *domain = ""; /* empty */
389 size_t domoff = hostoff + hostlen; /* This is 0: remember that host and
394 /* Clean up any former leftovers and initialise to defaults */
395 Curl_auth_ntlm_cleanup(ntlm);
397 #if USE_NTRESPONSES && USE_NTLM2SESSION
398 #define NTLM2FLAG NTLMFLAG_NEGOTIATE_NTLM2_KEY
402 snprintf((char *)ntlmbuf, NTLM_BUFSIZE,
403 NTLMSSP_SIGNATURE "%c"
404 "\x01%c%c%c" /* 32-bit type = 1 */
405 "%c%c%c%c" /* 32-bit NTLM flag field */
406 "%c%c" /* domain length */
407 "%c%c" /* domain allocated space */
408 "%c%c" /* domain name offset */
409 "%c%c" /* 2 zeroes */
410 "%c%c" /* host length */
411 "%c%c" /* host allocated space */
412 "%c%c" /* host name offset */
413 "%c%c" /* 2 zeroes */
415 "%s", /* domain string */
416 0, /* trailing zero */
417 0, 0, 0, /* part of type-1 long */
419 LONGQUARTET(NTLMFLAG_NEGOTIATE_OEM |
420 NTLMFLAG_REQUEST_TARGET |
421 NTLMFLAG_NEGOTIATE_NTLM_KEY |
423 NTLMFLAG_NEGOTIATE_ALWAYS_SIGN),
432 host, /* this is empty */
433 domain /* this is empty */);
435 /* Initial packet length */
436 size = 32 + hostlen + domlen;
439 fprintf(stderr, "* TYPE1 header flags=0x%02.2x%02.2x%02.2x%02.2x "
441 LONGQUARTET(NTLMFLAG_NEGOTIATE_OEM |
442 NTLMFLAG_REQUEST_TARGET |
443 NTLMFLAG_NEGOTIATE_NTLM_KEY |
445 NTLMFLAG_NEGOTIATE_ALWAYS_SIGN),
446 NTLMFLAG_NEGOTIATE_OEM |
447 NTLMFLAG_REQUEST_TARGET |
448 NTLMFLAG_NEGOTIATE_NTLM_KEY |
450 NTLMFLAG_NEGOTIATE_ALWAYS_SIGN);
451 ntlm_print_flags(stderr,
452 NTLMFLAG_NEGOTIATE_OEM |
453 NTLMFLAG_REQUEST_TARGET |
454 NTLMFLAG_NEGOTIATE_NTLM_KEY |
456 NTLMFLAG_NEGOTIATE_ALWAYS_SIGN);
457 fprintf(stderr, "\n****\n");
460 /* Return with binary blob encoded into base64 */
461 return Curl_base64_encode(NULL, (char *)ntlmbuf, size, outptr, outlen);
465 * Curl_auth_create_ntlm_type3_message()
467 * This is used to generate an already encoded NTLM type-3 message ready for
468 * sending to the recipient using the appropriate compile time crypto API.
472 * data [in] - The session handle.
473 * userp [in] - The user name in the format User or Domain\User.
474 * passdwp [in] - The user's password.
475 * ntlm [in/out] - The NTLM data struct being used and modified.
476 * outptr [in/out] - The address where a pointer to newly allocated memory
477 * holding the result will be stored upon completion.
478 * outlen [out] - The length of the output message.
480 * Returns CURLE_OK on success.
482 CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
485 struct ntlmdata *ntlm,
486 char **outptr, size_t *outlen)
489 /* NTLM type-3 message structure:
491 Index Description Content
492 0 NTLMSSP Signature Null-terminated ASCII "NTLMSSP"
494 8 NTLM Message Type long (0x03000000)
495 12 LM/LMv2 Response security buffer
496 20 NTLM/NTLMv2 Response security buffer
497 28 Target Name security buffer
498 36 User Name security buffer
499 44 Workstation Name security buffer
500 (52) Session Key security buffer (*)
502 (64) OS Version Structure 8 bytes (*)
503 52 (64) (72) Start of data block
507 CURLcode result = CURLE_OK;
509 unsigned char ntlmbuf[NTLM_BUFSIZE];
511 unsigned char lmresp[24]; /* fixed-size */
514 unsigned int ntresplen = 24;
515 unsigned char ntresp[24]; /* fixed-size */
516 unsigned char *ptr_ntresp = &ntresp[0];
517 unsigned char *ntlmv2resp = NULL;
519 bool unicode = (ntlm->flags & NTLMFLAG_NEGOTIATE_UNICODE) ? TRUE : FALSE;
520 char host[HOSTNAME_MAX + 1] = "";
522 const char *domain = "";
530 user = strchr(userp, '\\');
532 user = strchr(userp, '/');
536 domlen = (user - domain);
543 userlen = strlen(user);
545 /* Get the machine's un-qualified host name as NTLM doesn't like the fully
546 qualified domain name */
547 if(Curl_gethostname(host, sizeof(host))) {
548 infof(data, "gethostname() failed, continuing without!\n");
552 hostlen = strlen(host);
555 #if USE_NTRESPONSES && USE_NTLM_V2
556 if(ntlm->target_info_len) {
557 unsigned char ntbuffer[0x18];
558 unsigned int entropy[2];
559 unsigned char ntlmv2hash[0x18];
561 entropy[0] = Curl_rand(data);
562 entropy[1] = Curl_rand(data);
564 result = Curl_ntlm_core_mk_nt_hash(data, passwdp, ntbuffer);
568 result = Curl_ntlm_core_mk_ntlmv2_hash(user, userlen, domain, domlen,
569 ntbuffer, ntlmv2hash);
574 result = Curl_ntlm_core_mk_lmv2_resp(ntlmv2hash,
575 (unsigned char *)&entropy[0],
576 &ntlm->nonce[0], lmresp);
580 /* NTLMv2 response */
581 result = Curl_ntlm_core_mk_ntlmv2_resp(ntlmv2hash,
582 (unsigned char *)&entropy[0],
583 ntlm, &ntlmv2resp, &ntresplen);
587 ptr_ntresp = ntlmv2resp;
592 #if USE_NTRESPONSES && USE_NTLM2SESSION
593 /* We don't support NTLM2 if we don't have USE_NTRESPONSES */
594 if(ntlm->flags & NTLMFLAG_NEGOTIATE_NTLM2_KEY) {
595 unsigned char ntbuffer[0x18];
596 unsigned char tmp[0x18];
597 unsigned char md5sum[MD5_DIGEST_LENGTH];
598 unsigned int entropy[2];
600 /* Need to create 8 bytes random data */
601 entropy[0] = Curl_rand(data);
602 entropy[1] = Curl_rand(data);
604 /* 8 bytes random data as challenge in lmresp */
605 memcpy(lmresp, entropy, 8);
608 memset(lmresp + 8, 0, 0x10);
610 /* Fill tmp with challenge(nonce?) + entropy */
611 memcpy(tmp, &ntlm->nonce[0], 8);
612 memcpy(tmp + 8, entropy, 8);
614 result = Curl_ssl_md5sum(tmp, 16, md5sum, MD5_DIGEST_LENGTH);
616 /* We shall only use the first 8 bytes of md5sum, but the des code in
617 Curl_ntlm_core_lm_resp only encrypt the first 8 bytes */
618 result = Curl_ntlm_core_mk_nt_hash(data, passwdp, ntbuffer);
622 Curl_ntlm_core_lm_resp(ntbuffer, md5sum, ntresp);
624 /* End of NTLM2 Session code */
632 unsigned char ntbuffer[0x18];
634 unsigned char lmbuffer[0x18];
637 result = Curl_ntlm_core_mk_nt_hash(data, passwdp, ntbuffer);
641 Curl_ntlm_core_lm_resp(ntbuffer, &ntlm->nonce[0], ntresp);
644 result = Curl_ntlm_core_mk_lm_hash(data, passwdp, lmbuffer);
648 Curl_ntlm_core_lm_resp(lmbuffer, &ntlm->nonce[0], lmresp);
650 /* A safer but less compatible alternative is:
651 * Curl_ntlm_core_lm_resp(ntbuffer, &ntlm->nonce[0], lmresp);
652 * See http://davenport.sourceforge.net/ntlm.html#ntlmVersion2 */
657 userlen = userlen * 2;
658 hostlen = hostlen * 2;
661 lmrespoff = 64; /* size of the message header */
663 ntrespoff = lmrespoff + 0x18;
664 domoff = ntrespoff + ntresplen;
666 domoff = lmrespoff + 0x18;
668 useroff = domoff + domlen;
669 hostoff = useroff + userlen;
671 /* Create the big type-3 message binary blob */
672 size = snprintf((char *)ntlmbuf, NTLM_BUFSIZE,
673 NTLMSSP_SIGNATURE "%c"
674 "\x03%c%c%c" /* 32-bit type = 3 */
676 "%c%c" /* LanManager length */
677 "%c%c" /* LanManager allocated space */
678 "%c%c" /* LanManager offset */
679 "%c%c" /* 2 zeroes */
681 "%c%c" /* NT-response length */
682 "%c%c" /* NT-response allocated space */
683 "%c%c" /* NT-response offset */
684 "%c%c" /* 2 zeroes */
686 "%c%c" /* domain length */
687 "%c%c" /* domain allocated space */
688 "%c%c" /* domain name offset */
689 "%c%c" /* 2 zeroes */
691 "%c%c" /* user length */
692 "%c%c" /* user allocated space */
693 "%c%c" /* user offset */
694 "%c%c" /* 2 zeroes */
696 "%c%c" /* host length */
697 "%c%c" /* host allocated space */
698 "%c%c" /* host offset */
699 "%c%c" /* 2 zeroes */
701 "%c%c" /* session key length (unknown purpose) */
702 "%c%c" /* session key allocated space (unknown purpose) */
703 "%c%c" /* session key offset (unknown purpose) */
704 "%c%c" /* 2 zeroes */
706 "%c%c%c%c", /* flags */
711 /* LanManager response */
714 0, /* zero termination */
715 0, 0, 0, /* type-3 long, the 24 upper bits */
717 SHORTPAIR(0x18), /* LanManager response length, twice */
719 SHORTPAIR(lmrespoff),
723 SHORTPAIR(ntresplen), /* NT-response length, twice */
724 SHORTPAIR(ntresplen),
725 SHORTPAIR(ntrespoff),
753 LONGQUARTET(ntlm->flags));
755 DEBUGASSERT(size == 64);
756 DEBUGASSERT(size == (size_t)lmrespoff);
758 /* We append the binary hashes */
759 if(size < (NTLM_BUFSIZE - 0x18)) {
760 memcpy(&ntlmbuf[size], lmresp, 0x18);
765 fprintf(stderr, "**** TYPE3 header lmresp=");
766 ntlm_print_hex(stderr, (char *)&ntlmbuf[lmrespoff], 0x18);
770 if(size < (NTLM_BUFSIZE - ntresplen)) {
771 DEBUGASSERT(size == (size_t)ntrespoff);
772 memcpy(&ntlmbuf[size], ptr_ntresp, ntresplen);
777 fprintf(stderr, "\n ntresp=");
778 ntlm_print_hex(stderr, (char *)&ntlmbuf[ntrespoff], ntresplen);
781 free(ntlmv2resp);/* Free the dynamic buffer allocated for NTLMv2 */
786 fprintf(stderr, "\n flags=0x%02.2x%02.2x%02.2x%02.2x 0x%08.8x ",
787 LONGQUARTET(ntlm->flags), ntlm->flags);
788 ntlm_print_flags(stderr, ntlm->flags);
789 fprintf(stderr, "\n****\n");
792 /* Make sure that the domain, user and host strings fit in the
793 buffer before we copy them there. */
794 if(size + userlen + domlen + hostlen >= NTLM_BUFSIZE) {
795 failf(data, "user + domain + host name too big");
796 return CURLE_OUT_OF_MEMORY;
799 DEBUGASSERT(size == domoff);
801 unicodecpy(&ntlmbuf[size], domain, domlen / 2);
803 memcpy(&ntlmbuf[size], domain, domlen);
807 DEBUGASSERT(size == useroff);
809 unicodecpy(&ntlmbuf[size], user, userlen / 2);
811 memcpy(&ntlmbuf[size], user, userlen);
815 DEBUGASSERT(size == hostoff);
817 unicodecpy(&ntlmbuf[size], host, hostlen / 2);
819 memcpy(&ntlmbuf[size], host, hostlen);
823 /* Convert domain, user, and host to ASCII but leave the rest as-is */
824 result = Curl_convert_to_network(data, (char *)&ntlmbuf[domoff],
827 return CURLE_CONV_FAILED;
829 /* Return with binary blob encoded into base64 */
830 result = Curl_base64_encode(NULL, (char *)ntlmbuf, size, outptr, outlen);
832 Curl_auth_ntlm_cleanup(ntlm);
838 * Curl_auth_ntlm_cleanup()
840 * This is used to clean up the NTLM specific data.
844 * ntlm [in/out] - The NTLM data struct being cleaned up.
847 void Curl_auth_ntlm_cleanup(struct ntlmdata *ntlm)
849 /* Free the target info */
850 Curl_safefree(ntlm->target_info);
852 /* Reset any variables */
853 ntlm->target_info_len = 0;
856 #endif /* USE_NTLM && !USE_WINDOWS_SSPI */