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Clean up a comment noticed by Jonathan Shao@Panasas.com and remove an
[Samba/gebeck_regimport.git] / source3 / utils / ntlm_auth.c
blob4461f163dd5d01765e1a1a63e50f3801ea5da569
1 /*
2 Unix SMB/CIFS implementation.
3
4 Winbind status program.
5
6 Copyright (C) Tim Potter 2000-2002
7 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003
8 Copyright (C) Francesco Chemolli <kinkie@kame.usr.dsi.unimi.it> 2000
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25 #include "includes.h"
26
27 #undef DBGC_CLASS
28 #define DBGC_CLASS DBGC_WINBIND
29
30 #define SQUID_BUFFER_SIZE 2010
31
32 enum stdio_helper_mode {
33 SQUID_2_4_BASIC,
34 SQUID_2_5_BASIC,
35 SQUID_2_5_NTLMSSP,
36 GSS_SPNEGO,
37 GSS_SPNEGO_CLIENT,
38 NUM_HELPER_MODES
39 };
40
41 typedef void (*stdio_helper_function)(enum stdio_helper_mode stdio_helper_mode,
42 char *buf, int length);
43
44 static void manage_squid_basic_request (enum stdio_helper_mode stdio_helper_mode,
45 char *buf, int length);
46
47 static void manage_squid_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode,
48 char *buf, int length);
49
50 static void manage_gss_spnego_request (enum stdio_helper_mode stdio_helper_mode,
51 char *buf, int length);
52
53 static void manage_gss_spnego_client_request (enum stdio_helper_mode stdio_helper_mode,
54 char *buf, int length);
55
56 static const struct {
57 enum stdio_helper_mode mode;
58 const char *name;
59 stdio_helper_function fn;
60 } stdio_helper_protocols[] = {
61 { SQUID_2_4_BASIC, "squid-2.4-basic", manage_squid_basic_request},
62 { SQUID_2_5_BASIC, "squid-2.5-basic", manage_squid_basic_request},
63 { SQUID_2_5_NTLMSSP, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request},
64 { GSS_SPNEGO, "gss-spnego", manage_gss_spnego_request},
65 { GSS_SPNEGO_CLIENT, "gss-spnego-client", manage_gss_spnego_client_request},
66 { NUM_HELPER_MODES, NULL, NULL}
67 };
68
69 extern int winbindd_fd;
70
71 static const char *opt_username;
72 static const char *opt_domain;
73 static const char *opt_workstation;
74 static const char *opt_password;
75 static DATA_BLOB opt_challenge;
76 static DATA_BLOB opt_lm_response;
77 static DATA_BLOB opt_nt_response;
78 static int request_lm_key;
79 static int request_nt_key;
80
81
82 static char winbind_separator(void)
83 {
84 struct winbindd_response response;
85 static BOOL got_sep;
86 static char sep;
87
88 if (got_sep)
89 return sep;
90
91 ZERO_STRUCT(response);
92
93 /* Send off request */
94
95 if (winbindd_request(WINBINDD_INFO, NULL, &response) !=
96 NSS_STATUS_SUCCESS) {
97 d_printf("could not obtain winbind separator!\n");
98 return '\\';
99 }
100
101 sep = response.data.info.winbind_separator;
102 got_sep = True;
103
104 if (!sep) {
105 d_printf("winbind separator was NULL!\n");
106 return '\\';
107 }
108
109 return sep;
110 }
111
112 static const char *get_winbind_domain(void)
113 {
114 struct winbindd_response response;
115
116 static fstring winbind_domain;
117 if (*winbind_domain) {
118 return winbind_domain;
119 }
120
121 ZERO_STRUCT(response);
122
123 /* Send off request */
124
125 if (winbindd_request(WINBINDD_DOMAIN_NAME, NULL, &response) !=
126 NSS_STATUS_SUCCESS) {
127 DEBUG(0, ("could not obtain winbind domain name!\n"));
128 return NULL;
129 }
130
131 fstrcpy(winbind_domain, response.data.domain_name);
132
133 return winbind_domain;
134
135 }
136
137 static const char *get_winbind_netbios_name(void)
138 {
139 struct winbindd_response response;
140
141 static fstring winbind_netbios_name;
142
143 if (*winbind_netbios_name) {
144 return winbind_netbios_name;
145 }
146
147 ZERO_STRUCT(response);
148
149 /* Send off request */
150
151 if (winbindd_request(WINBINDD_NETBIOS_NAME, NULL, &response) !=
152 NSS_STATUS_SUCCESS) {
153 DEBUG(0, ("could not obtain winbind netbios name!\n"));
154 return NULL;
155 }
156
157 fstrcpy(winbind_netbios_name, response.data.netbios_name);
158
159 return winbind_netbios_name;
160
161 }
162
163 /* Authenticate a user with a plaintext password */
164
165 static BOOL check_plaintext_auth(const char *user, const char *pass, BOOL stdout_diagnostics)
166 {
167 struct winbindd_request request;
168 struct winbindd_response response;
169 NSS_STATUS result;
170
171 /* Send off request */
172
173 ZERO_STRUCT(request);
174 ZERO_STRUCT(response);
175
176 fstrcpy(request.data.auth.user, user);
177 fstrcpy(request.data.auth.pass, pass);
178
179 result = winbindd_request(WINBINDD_PAM_AUTH, &request, &response);
180
181 /* Display response */
182
183 if (stdout_diagnostics) {
184 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
185 d_printf("Reading winbind reply failed! (0x01)\n");
186 }
187
188 d_printf("%s: %s (0x%x)\n",
189 response.data.auth.nt_status_string,
190 response.data.auth.error_string,
191 response.data.auth.nt_status);
192 } else {
193 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
194 DEBUG(1, ("Reading winbind reply failed! (0x01)\n"));
195 }
196
197 DEBUG(3, ("%s: %s (0x%x)\n",
198 response.data.auth.nt_status_string,
199 response.data.auth.error_string,
200 response.data.auth.nt_status));
201 }
202
203 return (result == NSS_STATUS_SUCCESS);
204 }
205
206 /* authenticate a user with an encrypted username/password */
207
208 static NTSTATUS contact_winbind_auth_crap(const char *username,
209 const char *domain,
210 const char *workstation,
211 const DATA_BLOB *challenge,
212 const DATA_BLOB *lm_response,
213 const DATA_BLOB *nt_response,
214 uint32 flags,
215 uint8 lm_key[8],
216 uint8 nt_key[16],
217 char **error_string)
218 {
219 NTSTATUS nt_status;
220 NSS_STATUS result;
221 struct winbindd_request request;
222 struct winbindd_response response;
223
224 static uint8 zeros[16];
225
226 ZERO_STRUCT(request);
227 ZERO_STRUCT(response);
228
229 request.flags = flags;
230
231 if (push_utf8_fstring(request.data.auth_crap.user, username) == -1) {
232 *error_string = smb_xstrdup(
233 "unable to create utf8 string for username");
234 return NT_STATUS_UNSUCCESSFUL;
235 }
236
237 if (push_utf8_fstring(request.data.auth_crap.domain, domain) == -1) {
238 *error_string = smb_xstrdup(
239 "unable to create utf8 string for domain");
240 return NT_STATUS_UNSUCCESSFUL;
241 }
242
243 if (push_utf8_fstring(request.data.auth_crap.workstation,
244 workstation) == -1) {
245 *error_string = smb_xstrdup(
246 "unable to create utf8 string for workstation");
247 return NT_STATUS_UNSUCCESSFUL;
248 }
249
250 memcpy(request.data.auth_crap.chal, challenge->data, MIN(challenge->length, 8));
251
252 if (lm_response && lm_response->length) {
253 memcpy(request.data.auth_crap.lm_resp, lm_response->data, MIN(lm_response->length, sizeof(request.data.auth_crap.lm_resp)));
254 request.data.auth_crap.lm_resp_len = lm_response->length;
255 }
256
257 if (nt_response && nt_response->length) {
258 memcpy(request.data.auth_crap.nt_resp, nt_response->data, MIN(nt_response->length, sizeof(request.data.auth_crap.nt_resp)));
259 request.data.auth_crap.nt_resp_len = nt_response->length;
260 }
261
262 result = winbindd_request(WINBINDD_PAM_AUTH_CRAP, &request, &response);
263
264 /* Display response */
265
266 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
267 nt_status = NT_STATUS_UNSUCCESSFUL;
268 if (error_string)
269 *error_string = smb_xstrdup("Reading winbind reply failed!");
270 return nt_status;
271 }
272
273 nt_status = (NT_STATUS(response.data.auth.nt_status));
274 if (!NT_STATUS_IS_OK(nt_status)) {
275 if (error_string)
276 *error_string = smb_xstrdup(response.data.auth.error_string);
277 return nt_status;
278 }
279
280 if ((flags & WBFLAG_PAM_LMKEY) && lm_key
281 && (memcmp(zeros, response.data.auth.first_8_lm_hash,
282 sizeof(response.data.auth.first_8_lm_hash)) != 0)) {
283 memcpy(lm_key, response.data.auth.first_8_lm_hash,
284 sizeof(response.data.auth.first_8_lm_hash));
285 }
286 if ((flags & WBFLAG_PAM_NTKEY) && nt_key
287 && (memcmp(zeros, response.data.auth.nt_session_key,
288 sizeof(response.data.auth.nt_session_key)) != 0)) {
289 memcpy(nt_key, response.data.auth.nt_session_key,
290 sizeof(response.data.auth.nt_session_key));
291 }
292 return nt_status;
293 }
294
295 static NTSTATUS winbind_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *nt_session_key, DATA_BLOB *lm_session_key)
296 {
297 static const char zeros[16];
298 NTSTATUS nt_status;
299 char *error_string;
300 uint8 lm_key[8];
301 uint8 nt_key[16];
302
303 nt_status = contact_winbind_auth_crap(ntlmssp_state->user, ntlmssp_state->domain,
304 ntlmssp_state->workstation,
305 &ntlmssp_state->chal,
306 &ntlmssp_state->lm_resp,
307 &ntlmssp_state->nt_resp,
308 WBFLAG_PAM_LMKEY | WBFLAG_PAM_NTKEY,
309 lm_key, nt_key,
310 &error_string);
311
312 if (NT_STATUS_IS_OK(nt_status)) {
313 if (memcmp(lm_key, zeros, 8) != 0) {
314 *lm_session_key = data_blob(NULL, 16);
315 memcpy(lm_session_key->data, lm_key, 8);
316 memset(lm_session_key->data+8, '\0', 8);
317 }
318
319 if (memcmp(nt_key, zeros, 16) != 0) {
320 *nt_session_key = data_blob(nt_key, 16);
321 }
322 } else {
323 DEBUG(NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED) ? 0 : 3,
324 ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
325 ntlmssp_state->domain, ntlmssp_state->user, ntlmssp_state->workstation, error_string ? error_string : "unknown error (NULL)"));
326 }
327 return nt_status;
328 }
329
330 static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
331 char *buf, int length)
332 {
333 static NTLMSSP_STATE *ntlmssp_state = NULL;
334 DATA_BLOB request, reply;
335 NTSTATUS nt_status;
336
337 if (strlen(buf) < 2) {
338 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
339 x_fprintf(x_stdout, "BH\n");
340 return;
341 }
342
343 if (strlen(buf) > 3) {
344 request = base64_decode_data_blob(buf + 3);
345 } else if (strcmp(buf, "YR") == 0) {
346 request = data_blob(NULL, 0);
347 if (ntlmssp_state)
348 ntlmssp_end(&ntlmssp_state);
349 } else {
350 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
351 x_fprintf(x_stdout, "BH\n");
352 return;
353 }
354
355 if (!ntlmssp_state) {
356 ntlmssp_server_start(&ntlmssp_state);
357 ntlmssp_state->check_password = winbind_pw_check;
358 ntlmssp_state->get_domain = get_winbind_domain;
359 ntlmssp_state->get_global_myname = get_winbind_netbios_name;
360 }
361
362 DEBUG(10, ("got NTLMSSP packet:\n"));
363 dump_data(10, (const char *)request.data, request.length);
364
365 nt_status = ntlmssp_update(ntlmssp_state, request, &reply);
366
367 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
368 char *reply_base64 = base64_encode_data_blob(reply);
369 x_fprintf(x_stdout, "TT %s\n", reply_base64);
370 SAFE_FREE(reply_base64);
371 data_blob_free(&reply);
372 DEBUG(10, ("NTLMSSP challenge\n"));
373 } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
374 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
375 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
376 } else if (!NT_STATUS_IS_OK(nt_status)) {
377 x_fprintf(x_stdout, "NA %s\n", nt_errstr(nt_status));
378 DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status)));
379 } else {
380 x_fprintf(x_stdout, "AF %s\\%s\n", ntlmssp_state->domain, ntlmssp_state->user);
381 DEBUG(10, ("NTLMSSP OK!\n"));
382 }
383
384 data_blob_free(&request);
385 }
386
387 static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode,
388 char *buf, int length)
389 {
390 char *user, *pass;
391 user=buf;
392
393 pass=memchr(buf,' ',length);
394 if (!pass) {
395 DEBUG(2, ("Password not found. Denying access\n"));
396 x_fprintf(x_stderr, "ERR\n");
397 return;
398 }
399 *pass='\0';
400 pass++;
401
402 if (stdio_helper_mode == SQUID_2_5_BASIC) {
403 rfc1738_unescape(user);
404 rfc1738_unescape(pass);
405 }
406
407 if (check_plaintext_auth(user, pass, False)) {
408 x_fprintf(x_stdout, "OK\n");
409 } else {
410 x_fprintf(x_stdout, "ERR\n");
411 }
412 }
413
414 static void offer_gss_spnego_mechs(void) {
415
416 DATA_BLOB token;
417 SPNEGO_DATA spnego;
418 ssize_t len;
419 char *reply_base64;
420
421 pstring principal;
422 pstring myname_lower;
423
424 ZERO_STRUCT(spnego);
425
426 pstrcpy(myname_lower, global_myname());
427 strlower_m(myname_lower);
428
429 pstr_sprintf(principal, "%s$@%s", myname_lower, lp_realm());
430
431 /* Server negTokenInit (mech offerings) */
432 spnego.type = SPNEGO_NEG_TOKEN_INIT;
433 spnego.negTokenInit.mechTypes = smb_xmalloc(sizeof(char *) * 3);
434 #ifdef HAVE_KRB5
435 spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_KERBEROS5_OLD);
436 spnego.negTokenInit.mechTypes[1] = smb_xstrdup(OID_NTLMSSP);
437 spnego.negTokenInit.mechTypes[2] = NULL;
438 #else
439 spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_NTLMSSP);
440 spnego.negTokenInit.mechTypes[1] = NULL;
441 #endif
442
443
444 spnego.negTokenInit.mechListMIC = data_blob(principal,
445 strlen(principal));
446
447 len = write_spnego_data(&token, &spnego);
448 free_spnego_data(&spnego);
449
450 if (len == -1) {
451 DEBUG(1, ("Could not write SPNEGO data blob\n"));
452 x_fprintf(x_stdout, "BH\n");
453 return;
454 }
455
456 reply_base64 = base64_encode_data_blob(token);
457 x_fprintf(x_stdout, "TT %s *\n", reply_base64);
458
459 SAFE_FREE(reply_base64);
460 data_blob_free(&token);
461 DEBUG(10, ("sent SPNEGO negTokenInit\n"));
462 return;
463 }
464
465 static void manage_gss_spnego_request(enum stdio_helper_mode stdio_helper_mode,
466 char *buf, int length)
467 {
468 static NTLMSSP_STATE *ntlmssp_state = NULL;
469 SPNEGO_DATA request, response;
470 DATA_BLOB token;
471 NTSTATUS status;
472 ssize_t len;
473
474 char *user = NULL;
475 char *domain = NULL;
476
477 const char *reply_code;
478 char *reply_base64;
479 pstring reply_argument;
480
481 if (strlen(buf) < 2) {
482
483 if (ntlmssp_state != NULL) {
484 DEBUG(1, ("Request for initial SPNEGO request where "
485 "we already have a state\n"));
486 x_fprintf(x_stdout, "BH\n");
487 return;
488 }
489
490 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
491 x_fprintf(x_stdout, "BH\n");
492 return;
493 }
494
495 if ( (strlen(buf) == 2) && (strcmp(buf, "YR") == 0) ) {
496
497 /* Initial request, get the negTokenInit offering
498 mechanisms */
499
500 offer_gss_spnego_mechs();
501 return;
502 }
503
504 /* All subsequent requests are "KK" (Knock, Knock ;)) and have
505 a blob. This might be negTokenInit or negTokenTarg */
506
507 if ( (strlen(buf) <= 3) || (strncmp(buf, "KK", 2) != 0) ) {
508 DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf));
509 x_fprintf(x_stdout, "BH\n");
510 return;
511 }
512
513 token = base64_decode_data_blob(buf + 3);
514 len = read_spnego_data(token, &request);
515 data_blob_free(&token);
516
517 if (len == -1) {
518 DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf));
519 x_fprintf(x_stdout, "BH\n");
520 return;
521 }
522
523 if (request.type == SPNEGO_NEG_TOKEN_INIT) {
524
525 /* Second request from Client. This is where the
526 client offers its mechanism to use. */
527
528 if ( (request.negTokenInit.mechTypes == NULL) ||
529 (request.negTokenInit.mechTypes[0] == NULL) ) {
530 DEBUG(1, ("Client did not offer any mechanism"));
531 x_fprintf(x_stdout, "BH\n");
532 return;
533 }
534
535 if (strcmp(request.negTokenInit.mechTypes[0], OID_NTLMSSP) == 0) {
536
537 if ( request.negTokenInit.mechToken.data == NULL ) {
538 DEBUG(1, ("Client did not provide NTLMSSP data\n"));
539 x_fprintf(x_stdout, "BH\n");
540 return;
541 }
542
543 if ( ntlmssp_state != NULL ) {
544 DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
545 "already got one\n"));
546 x_fprintf(x_stdout, "BH\n");
547 ntlmssp_end(&ntlmssp_state);
548 return;
549 }
550
551 ntlmssp_server_start(&ntlmssp_state);
552 ntlmssp_state->check_password = winbind_pw_check;
553 ntlmssp_state->get_domain = get_winbind_domain;
554 ntlmssp_state->get_global_myname = get_winbind_netbios_name;
555
556 DEBUG(10, ("got NTLMSSP packet:\n"));
557 dump_data(10, (const char *)request.negTokenInit.mechToken.data,
558 request.negTokenInit.mechToken.length);
559
560 response.type = SPNEGO_NEG_TOKEN_TARG;
561 response.negTokenTarg.supportedMech = strdup(OID_NTLMSSP);
562 response.negTokenTarg.mechListMIC = data_blob(NULL, 0);
563
564 status = ntlmssp_update(ntlmssp_state,
565 request.negTokenInit.mechToken,
566 &response.negTokenTarg.responseToken);
567 }
568
569 #ifdef HAVE_KRB5
570 if (strcmp(request.negTokenInit.mechTypes[0], OID_KERBEROS5_OLD) == 0) {
571
572 char *principal;
573 DATA_BLOB auth_data;
574 DATA_BLOB ap_rep;
575 DATA_BLOB session_key;
576
577 if ( request.negTokenInit.mechToken.data == NULL ) {
578 DEBUG(1, ("Client did not provide Kerberos data\n"));
579 x_fprintf(x_stdout, "BH\n");
580 return;
581 }
582
583 response.type = SPNEGO_NEG_TOKEN_TARG;
584 response.negTokenTarg.supportedMech = strdup(OID_KERBEROS5_OLD);
585 response.negTokenTarg.mechListMIC = data_blob(NULL, 0);
586 response.negTokenTarg.responseToken = data_blob(NULL, 0);
587
588 status = ads_verify_ticket(lp_realm(),
589 &request.negTokenInit.mechToken,
590 &principal, &auth_data, &ap_rep,
591 &session_key);
592
593 /* Now in "principal" we have the name we are
594 authenticated as. */
595
596 if (NT_STATUS_IS_OK(status)) {
597
598 domain = strchr(principal, '@');
599
600 if (domain == NULL) {
601 DEBUG(1, ("Did not get a valid principal "
602 "from ads_verify_ticket\n"));
603 x_fprintf(x_stdout, "BH\n");
604 return;
605 }
606
607 *domain++ = '\0';
608 domain = strdup(domain);
609 user = strdup(principal);
610
611 data_blob_free(&ap_rep);
612 data_blob_free(&auth_data);
613
614 SAFE_FREE(principal);
615 }
616 }
617 #endif
618
619 } else {
620
621 if ( (request.negTokenTarg.supportedMech == NULL) ||
622 ( strcmp(request.negTokenTarg.supportedMech, OID_NTLMSSP) != 0 ) ) {
623 /* Kerberos should never send a negTokenTarg, OID_NTLMSSP
624 is the only one we support that sends this stuff */
625 DEBUG(1, ("Got a negTokenTarg for something non-NTLMSSP: %s\n",
626 request.negTokenTarg.supportedMech));
627 x_fprintf(x_stdout, "BH\n");
628 return;
629 }
630
631 if (request.negTokenTarg.responseToken.data == NULL) {
632 DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
633 x_fprintf(x_stdout, "BH\n");
634 return;
635 }
636
637 status = ntlmssp_update(ntlmssp_state,
638 request.negTokenTarg.responseToken,
639 &response.negTokenTarg.responseToken);
640
641 response.type = SPNEGO_NEG_TOKEN_TARG;
642 response.negTokenTarg.supportedMech = strdup(OID_NTLMSSP);
643 response.negTokenTarg.mechListMIC = data_blob(NULL, 0);
644
645 if (NT_STATUS_IS_OK(status)) {
646 user = strdup(ntlmssp_state->user);
647 domain = strdup(ntlmssp_state->domain);
648 ntlmssp_end(&ntlmssp_state);
649 }
650 }
651
652 free_spnego_data(&request);
653
654 if (NT_STATUS_IS_OK(status)) {
655 response.negTokenTarg.negResult = SPNEGO_ACCEPT_COMPLETED;
656 reply_code = "AF";
657 pstr_sprintf(reply_argument, "%s\\%s", domain, user);
658 } else if (NT_STATUS_EQUAL(status,
659 NT_STATUS_MORE_PROCESSING_REQUIRED)) {
660 response.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
661 reply_code = "TT";
662 pstr_sprintf(reply_argument, "*");
663 } else {
664 response.negTokenTarg.negResult = SPNEGO_REJECT;
665 reply_code = "NA";
666 pstrcpy(reply_argument, nt_errstr(status));
667 }
668
669 SAFE_FREE(user);
670 SAFE_FREE(domain);
671
672 len = write_spnego_data(&token, &response);
673 free_spnego_data(&response);
674
675 if (len == -1) {
676 DEBUG(1, ("Could not write SPNEGO data blob\n"));
677 x_fprintf(x_stdout, "BH\n");
678 return;
679 }
680
681 reply_base64 = base64_encode_data_blob(token);
682
683 x_fprintf(x_stdout, "%s %s %s\n",
684 reply_code, reply_base64, reply_argument);
685
686 SAFE_FREE(reply_base64);
687 data_blob_free(&token);
688
689 return;
690 }
691
692 static NTLMSSP_STATE *client_ntlmssp_state = NULL;
693
694 static BOOL manage_client_ntlmssp_init(SPNEGO_DATA spnego)
695 {
696 NTSTATUS status;
697 DATA_BLOB null_blob = data_blob(NULL, 0);
698 DATA_BLOB to_server;
699 char *to_server_base64;
700 const char *my_mechs[] = {OID_NTLMSSP, NULL};
701
702 DEBUG(10, ("Got spnego negTokenInit with NTLMSSP\n"));
703
704 if (client_ntlmssp_state != NULL) {
705 DEBUG(1, ("Request for initial SPNEGO request where "
706 "we already have a state\n"));
707 return False;
708 }
709
710 if ( (opt_username == NULL) || (opt_domain == NULL) ) {
711 DEBUG(1, ("Need username and domain for NTLMSSP\n"));
712 return False;
713 }
714
715 if (opt_password == NULL) {
716
717 /* Request a password from the calling process. After
718 sending it, the calling process should retry with
719 the negTokenInit. */
720
721 DEBUG(10, ("Requesting password\n"));
722 x_fprintf(x_stdout, "PW\n");
723 return True;
724 }
725
726 status = ntlmssp_client_start(&client_ntlmssp_state);
727
728 if (!NT_STATUS_IS_OK(status)) {
729 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
730 nt_errstr(status)));
731 ntlmssp_end(&client_ntlmssp_state);
732 return False;
733 }
734
735 status = ntlmssp_set_username(client_ntlmssp_state, opt_username);
736
737 if (!NT_STATUS_IS_OK(status)) {
738 DEBUG(1, ("Could not set username: %s\n",
739 nt_errstr(status)));
740 ntlmssp_end(&client_ntlmssp_state);
741 return False;
742 }
743
744 status = ntlmssp_set_domain(client_ntlmssp_state, opt_domain);
745
746 if (!NT_STATUS_IS_OK(status)) {
747 DEBUG(1, ("Could not set domain: %s\n",
748 nt_errstr(status)));
749 ntlmssp_end(&client_ntlmssp_state);
750 return False;
751 }
752
753 status = ntlmssp_set_password(client_ntlmssp_state, opt_password);
754
755 if (!NT_STATUS_IS_OK(status)) {
756 DEBUG(1, ("Could not set password: %s\n",
757 nt_errstr(status)));
758 ntlmssp_end(&client_ntlmssp_state);
759 return False;
760 }
761
762 spnego.type = SPNEGO_NEG_TOKEN_INIT;
763 spnego.negTokenInit.mechTypes = my_mechs;
764 spnego.negTokenInit.reqFlags = 0;
765 spnego.negTokenInit.mechListMIC = null_blob;
766
767 status = ntlmssp_update(client_ntlmssp_state, null_blob,
768 &spnego.negTokenInit.mechToken);
769
770 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
771 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED, got: %s\n",
772 nt_errstr(status)));
773 ntlmssp_end(&client_ntlmssp_state);
774 return False;
775 }
776
777 write_spnego_data(&to_server, &spnego);
778 data_blob_free(&spnego.negTokenInit.mechToken);
779
780 to_server_base64 = base64_encode_data_blob(to_server);
781 data_blob_free(&to_server);
782 x_fprintf(x_stdout, "KK %s\n", to_server_base64);
783 SAFE_FREE(to_server_base64);
784 return True;
785 }
786
787 static void manage_client_ntlmssp_targ(SPNEGO_DATA spnego)
788 {
789 NTSTATUS status;
790 DATA_BLOB null_blob = data_blob(NULL, 0);
791 DATA_BLOB request;
792 DATA_BLOB to_server;
793 char *to_server_base64;
794
795 DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
796
797 if (client_ntlmssp_state == NULL) {
798 DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
799 x_fprintf(x_stdout, "BH\n");
800 ntlmssp_end(&client_ntlmssp_state);
801 return;
802 }
803
804 if (spnego.negTokenTarg.negResult == SPNEGO_REJECT) {
805 x_fprintf(x_stdout, "NA\n");
806 ntlmssp_end(&client_ntlmssp_state);
807 return;
808 }
809
810 if (spnego.negTokenTarg.negResult == SPNEGO_ACCEPT_COMPLETED) {
811 x_fprintf(x_stdout, "AF\n");
812 ntlmssp_end(&client_ntlmssp_state);
813 return;
814 }
815
816 status = ntlmssp_update(client_ntlmssp_state,
817 spnego.negTokenTarg.responseToken,
818 &request);
819
820 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
821 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED from "
822 "ntlmssp_client_update, got: %s\n",
823 nt_errstr(status)));
824 x_fprintf(x_stdout, "BH\n");
825 data_blob_free(&request);
826 ntlmssp_end(&client_ntlmssp_state);
827 return;
828 }
829
830 spnego.type = SPNEGO_NEG_TOKEN_TARG;
831 spnego.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
832 spnego.negTokenTarg.supportedMech = OID_NTLMSSP;
833 spnego.negTokenTarg.responseToken = request;
834 spnego.negTokenTarg.mechListMIC = null_blob;
835
836 write_spnego_data(&to_server, &spnego);
837 data_blob_free(&request);
838
839 to_server_base64 = base64_encode_data_blob(to_server);
840 data_blob_free(&to_server);
841 x_fprintf(x_stdout, "KK %s\n", to_server_base64);
842 SAFE_FREE(to_server_base64);
843 return;
844 }
845
846 #ifdef HAVE_KRB5
847
848 static BOOL manage_client_krb5_init(SPNEGO_DATA spnego)
849 {
850 char *principal;
851 DATA_BLOB tkt, to_server;
852 DATA_BLOB session_key_krb5;
853 SPNEGO_DATA reply;
854 char *reply_base64;
855
856 const char *my_mechs[] = {OID_KERBEROS5_OLD, NULL};
857 ssize_t len;
858
859 if ( (spnego.negTokenInit.mechListMIC.data == NULL) ||
860 (spnego.negTokenInit.mechListMIC.length == 0) ) {
861 DEBUG(1, ("Did not get a principal for krb5\n"));
862 return False;
863 }
864
865 principal = malloc(spnego.negTokenInit.mechListMIC.length+1);
866
867 if (principal == NULL) {
868 DEBUG(1, ("Could not malloc principal\n"));
869 return False;
870 }
871
872 memcpy(principal, spnego.negTokenInit.mechListMIC.data,
873 spnego.negTokenInit.mechListMIC.length);
874 principal[spnego.negTokenInit.mechListMIC.length] = '\0';
875
876 tkt = cli_krb5_get_ticket(principal, 0, &session_key_krb5);
877
878 if (tkt.data == NULL) {
879
880 pstring user;
881
882 /* Let's try to first get the TGT, for that we need a
883 password. */
884
885 if (opt_password == NULL) {
886 DEBUG(10, ("Requesting password\n"));
887 x_fprintf(x_stdout, "PW\n");
888 return True;
889 }
890
891 pstr_sprintf(user, "%s@%s", opt_username, opt_domain);
892
893 if (kerberos_kinit_password(user, opt_password, 0) != 0) {
894 DEBUG(10, ("Requesting TGT failed\n"));
895 x_fprintf(x_stdout, "NA\n");
896 return True;
897 }
898
899 tkt = cli_krb5_get_ticket(principal, 0, &session_key_krb5);
900 }
901
902 data_blob_free(&session_key_krb5);
903
904 ZERO_STRUCT(reply);
905
906 reply.type = SPNEGO_NEG_TOKEN_INIT;
907 reply.negTokenInit.mechTypes = my_mechs;
908 reply.negTokenInit.reqFlags = 0;
909 reply.negTokenInit.mechToken = tkt;
910 reply.negTokenInit.mechListMIC = data_blob(NULL, 0);
911
912 len = write_spnego_data(&to_server, &reply);
913 data_blob_free(&tkt);
914
915 if (len == -1) {
916 DEBUG(1, ("Could not write SPNEGO data blob\n"));
917 return False;
918 }
919
920 reply_base64 = base64_encode_data_blob(to_server);
921 x_fprintf(x_stdout, "KK %s *\n", reply_base64);
922
923 SAFE_FREE(reply_base64);
924 data_blob_free(&to_server);
925 DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
926 return True;
927 }
928
929 static void manage_client_krb5_targ(SPNEGO_DATA spnego)
930 {
931 switch (spnego.negTokenTarg.negResult) {
932 case SPNEGO_ACCEPT_INCOMPLETE:
933 DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
934 x_fprintf(x_stdout, "BH\n");
935 break;
936 case SPNEGO_ACCEPT_COMPLETED:
937 DEBUG(10, ("Accept completed\n"));
938 x_fprintf(x_stdout, "AF\n");
939 break;
940 case SPNEGO_REJECT:
941 DEBUG(10, ("Rejected\n"));
942 x_fprintf(x_stdout, "NA\n");
943 break;
944 default:
945 DEBUG(1, ("Got an invalid negTokenTarg\n"));
946 x_fprintf(x_stdout, "AF\n");
947 }
948 }
949
950 #endif
951
952 static void manage_gss_spnego_client_request(enum stdio_helper_mode stdio_helper_mode,
953 char *buf, int length)
954 {
955 DATA_BLOB request;
956 SPNEGO_DATA spnego;
957 ssize_t len;
958
959 if (strlen(buf) <= 3) {
960 DEBUG(1, ("SPNEGO query [%s] too short\n", buf));
961 x_fprintf(x_stdout, "BH\n");
962 return;
963 }
964
965 request = base64_decode_data_blob(buf+3);
966
967 if (strncmp(buf, "PW ", 3) == 0) {
968
969 /* We asked for a password and obviously got it :-) */
970
971 opt_password = strndup((const char *)request.data, request.length);
972
973 if (opt_password == NULL) {
974 DEBUG(1, ("Out of memory\n"));
975 x_fprintf(x_stdout, "BH\n");
976 data_blob_free(&request);
977 return;
978 }
979
980 x_fprintf(x_stdout, "OK\n");
981 data_blob_free(&request);
982 return;
983 }
984
985 if ( (strncmp(buf, "TT ", 3) != 0) &&
986 (strncmp(buf, "AF ", 3) != 0) &&
987 (strncmp(buf, "NA ", 3) != 0) ) {
988 DEBUG(1, ("SPNEGO request [%s] invalid\n", buf));
989 x_fprintf(x_stdout, "BH\n");
990 data_blob_free(&request);
991 return;
992 }
993
994 /* So we got a server challenge to generate a SPNEGO
995 client-to-server request... */
996
997 len = read_spnego_data(request, &spnego);
998 data_blob_free(&request);
999
1000 if (len == -1) {
1001 DEBUG(1, ("Could not read SPNEGO data for [%s]\n", buf));
1002 x_fprintf(x_stdout, "BH\n");
1003 return;
1004 }
1005
1006 if (spnego.type == SPNEGO_NEG_TOKEN_INIT) {
1007
1008 /* The server offers a list of mechanisms */
1009
1010 const char **mechType = spnego.negTokenInit.mechTypes;
1011
1012 while (*mechType != NULL) {
1013
1014 #ifdef HAVE_KRB5
1015 if ( (strcmp(*mechType, OID_KERBEROS5_OLD) == 0) ||
1016 (strcmp(*mechType, OID_KERBEROS5) == 0) ) {
1017 if (manage_client_krb5_init(spnego))
1018 goto out;
1019 }
1020 #endif
1021
1022 if (strcmp(*mechType, OID_NTLMSSP) == 0) {
1023 if (manage_client_ntlmssp_init(spnego))
1024 goto out;
1025 }
1026
1027 mechType++;
1028 }
1029
1030 DEBUG(1, ("Server offered no compatible mechanism\n"));
1031 x_fprintf(x_stdout, "BH\n");
1032 return;
1033 }
1034
1035 if (spnego.type == SPNEGO_NEG_TOKEN_TARG) {
1036
1037 if (spnego.negTokenTarg.supportedMech == NULL) {
1038 /* On accept/reject Windows does not send the
1039 mechanism anymore. Handle that here and
1040 shut down the mechanisms. */
1041
1042 switch (spnego.negTokenTarg.negResult) {
1043 case SPNEGO_ACCEPT_COMPLETED:
1044 x_fprintf(x_stdout, "AF\n");
1045 break;
1046 case SPNEGO_REJECT:
1047 x_fprintf(x_stdout, "NA\n");
1048 break;
1049 default:
1050 DEBUG(1, ("Got a negTokenTarg with no mech and an "
1051 "unknown negResult: %d\n",
1052 spnego.negTokenTarg.negResult));
1053 x_fprintf(x_stdout, "BH\n");
1054 }
1055
1056 ntlmssp_end(&client_ntlmssp_state);
1057 goto out;
1058 }
1059
1060 if (strcmp(spnego.negTokenTarg.supportedMech,
1061 OID_NTLMSSP) == 0) {
1062 manage_client_ntlmssp_targ(spnego);
1063 goto out;
1064 }
1065
1066 #if HAVE_KRB5
1067 if (strcmp(spnego.negTokenTarg.supportedMech,
1068 OID_KERBEROS5_OLD) == 0) {
1069 manage_client_krb5_targ(spnego);
1070 goto out;
1071 }
1072 #endif
1073
1074 }
1075
1076 DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf));
1077 x_fprintf(x_stdout, "BH\n");
1078 return;
1079
1080 out:
1081 free_spnego_data(&spnego);
1082 return;
1083 }
1084
1085 static void manage_squid_request(enum stdio_helper_mode helper_mode, stdio_helper_function fn)
1086 {
1087 char buf[SQUID_BUFFER_SIZE+1];
1088 int length;
1089 char *c;
1090 static BOOL err;
1091
1092 /* this is not a typo - x_fgets doesn't work too well under squid */
1093 if (fgets(buf, sizeof(buf)-1, stdin) == NULL) {
1094 DEBUG(1, ("fgets() failed! dying..... errno=%d (%s)\n", ferror(stdin),
1095 strerror(ferror(stdin))));
1096 exit(1); /* BIIG buffer */
1097 }
1098
1099 c=memchr(buf,'\n',sizeof(buf)-1);
1100 if (c) {
1101 *c = '\0';
1102 length = c-buf;
1103 } else {
1104 err = 1;
1105 return;
1106 }
1107 if (err) {
1108 DEBUG(2, ("Oversized message\n"));
1109 x_fprintf(x_stderr, "ERR\n");
1110 err = 0;
1111 return;
1112 }
1113
1114 DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf,length));
1115
1116 if (buf[0] == '\0') {
1117 DEBUG(2, ("Invalid Request\n"));
1118 x_fprintf(x_stderr, "ERR\n");
1119 return;
1120 }
1121
1122 fn(helper_mode, buf, length);
1123 }
1124
1125
1126 static void squid_stream(enum stdio_helper_mode stdio_mode, stdio_helper_function fn) {
1127 /* initialize FDescs */
1128 x_setbuf(x_stdout, NULL);
1129 x_setbuf(x_stderr, NULL);
1130 while(1) {
1131 manage_squid_request(stdio_mode, fn);
1132 }
1133 }
1134
1135
1136 /* Authenticate a user with a challenge/response */
1137
1138 static BOOL check_auth_crap(void)
1139 {
1140 NTSTATUS nt_status;
1141 uint32 flags = 0;
1142 char lm_key[8];
1143 char nt_key[16];
1144 char *hex_lm_key;
1145 char *hex_nt_key;
1146 char *error_string;
1147 static uint8 zeros[16];
1148
1149 x_setbuf(x_stdout, NULL);
1150
1151 if (request_lm_key)
1152 flags |= WBFLAG_PAM_LMKEY;
1153
1154 if (request_nt_key)
1155 flags |= WBFLAG_PAM_NTKEY;
1156
1157 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
1158 opt_workstation,
1159 &opt_challenge,
1160 &opt_lm_response,
1161 &opt_nt_response,
1162 flags,
1163 (unsigned char *)lm_key,
1164 (unsigned char *)nt_key,
1165 &error_string);
1166
1167 if (!NT_STATUS_IS_OK(nt_status)) {
1168 x_fprintf(x_stdout, "%s (0x%x)\n",
1169 error_string,
1170 NT_STATUS_V(nt_status));
1171 SAFE_FREE(error_string);
1172 return False;
1173 }
1174
1175 if (request_lm_key
1176 && (memcmp(zeros, lm_key,
1177 sizeof(lm_key)) != 0)) {
1178 hex_encode((const unsigned char *)lm_key,
1179 sizeof(lm_key),
1180 &hex_lm_key);
1181 x_fprintf(x_stdout, "LM_KEY: %s\n", hex_lm_key);
1182 SAFE_FREE(hex_lm_key);
1183 }
1184 if (request_nt_key
1185 && (memcmp(zeros, nt_key,
1186 sizeof(nt_key)) != 0)) {
1187 hex_encode((const unsigned char *)nt_key,
1188 sizeof(nt_key),
1189 &hex_nt_key);
1190 x_fprintf(x_stdout, "NT_KEY: %s\n", hex_nt_key);
1191 SAFE_FREE(hex_nt_key);
1192 }
1193
1194 return True;
1195 }
1196
1197 /*
1198 Authenticate a user with a challenge/response, checking session key
1199 and valid authentication types
1200 */
1201
1202 static DATA_BLOB get_challenge(void)
1203 {
1204 static DATA_BLOB chal;
1205 if (opt_challenge.length)
1206 return opt_challenge;
1207
1208 chal = data_blob(NULL, 8);
1209
1210 generate_random_buffer(chal.data, chal.length, False);
1211 return chal;
1212 }
1213
1214 /*
1215 * Test LM authentication, no NT response supplied
1216 */
1217
1218 static BOOL test_lm(void)
1219 {
1220 NTSTATUS nt_status;
1221 uint32 flags = 0;
1222 DATA_BLOB lm_response = data_blob(NULL, 24);
1223
1224 uchar lm_key[8];
1225 uchar nt_key[16];
1226 uchar lm_hash[16];
1227 DATA_BLOB chall = get_challenge();
1228 char *error_string;
1229
1230 ZERO_STRUCT(lm_key);
1231 ZERO_STRUCT(nt_key);
1232
1233 flags |= WBFLAG_PAM_LMKEY;
1234 flags |= WBFLAG_PAM_NTKEY;
1235
1236 SMBencrypt(opt_password, chall.data, lm_response.data);
1237 E_deshash(opt_password, lm_hash);
1238
1239 nt_status = contact_winbind_auth_crap(opt_username, opt_domain, opt_workstation,
1240 &chall,
1241 &lm_response,
1242 NULL,
1243 flags,
1244 lm_key,
1245 nt_key,
1246 &error_string);
1247
1248 data_blob_free(&lm_response);
1249
1250 if (!NT_STATUS_IS_OK(nt_status)) {
1251 d_printf("%s (0x%x)\n",
1252 error_string,
1253 NT_STATUS_V(nt_status));
1254 return False;
1255 }
1256
1257 if (memcmp(lm_hash, lm_key,
1258 sizeof(lm_key)) != 0) {
1259 DEBUG(1, ("LM Key does not match expectations!\n"));
1260 DEBUG(1, ("lm_key:\n"));
1261 dump_data(1, (const char *)lm_key, 8);
1262 DEBUG(1, ("expected:\n"));
1263 dump_data(1, (const char *)lm_hash, 8);
1264 }
1265 if (memcmp(lm_hash, nt_key, 8) != 0) {
1266 DEBUG(1, ("Session Key (first 8, lm hash) does not match expectations!\n"));
1267 DEBUG(1, ("nt_key:\n"));
1268 dump_data(1, (const char *)nt_key, 8);
1269 DEBUG(1, ("expected:\n"));
1270 dump_data(1, (const char *)lm_hash, 8);
1271 }
1272 return True;
1273 }
1274
1275 /*
1276 * Test the normal 'LM and NTLM' combination
1277 */
1278
1279 static BOOL test_lm_ntlm(void)
1280 {
1281 BOOL pass = True;
1282 NTSTATUS nt_status;
1283 uint32 flags = 0;
1284 DATA_BLOB lm_response = data_blob(NULL, 24);
1285 DATA_BLOB nt_response = data_blob(NULL, 24);
1286 DATA_BLOB session_key = data_blob(NULL, 16);
1287
1288 uchar lm_key[8];
1289 uchar nt_key[16];
1290 uchar lm_hash[16];
1291 uchar nt_hash[16];
1292 DATA_BLOB chall = get_challenge();
1293 char *error_string;
1294
1295 ZERO_STRUCT(lm_key);
1296 ZERO_STRUCT(nt_key);
1297
1298 flags |= WBFLAG_PAM_LMKEY;
1299 flags |= WBFLAG_PAM_NTKEY;
1300
1301 SMBencrypt(opt_password,chall.data,lm_response.data);
1302 E_deshash(opt_password, lm_hash);
1303
1304 SMBNTencrypt(opt_password,chall.data,nt_response.data);
1305
1306 E_md4hash(opt_password, nt_hash);
1307 SMBsesskeygen_ntv1(nt_hash, NULL, session_key.data);
1308
1309 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
1310 opt_workstation,
1311 &chall,
1312 &lm_response,
1313 &nt_response,
1314 flags,
1315 lm_key,
1316 nt_key,
1317 &error_string);
1318
1319 data_blob_free(&lm_response);
1320
1321 if (!NT_STATUS_IS_OK(nt_status)) {
1322 d_printf("%s (0x%x)\n",
1323 error_string,
1324 NT_STATUS_V(nt_status));
1325 SAFE_FREE(error_string);
1326 return False;
1327 }
1328
1329 if (memcmp(lm_hash, lm_key,
1330 sizeof(lm_key)) != 0) {
1331 DEBUG(1, ("LM Key does not match expectations!\n"));
1332 DEBUG(1, ("lm_key:\n"));
1333 dump_data(1, (const char *)lm_key, 8);
1334 DEBUG(1, ("expected:\n"));
1335 dump_data(1, (const char *)lm_hash, 8);
1336 pass = False;
1337 }
1338 if (memcmp(session_key.data, nt_key,
1339 sizeof(nt_key)) != 0) {
1340 DEBUG(1, ("NT Session Key does not match expectations!\n"));
1341 DEBUG(1, ("nt_key:\n"));
1342 dump_data(1, (const char *)nt_key, 16);
1343 DEBUG(1, ("expected:\n"));
1344 dump_data(1, (const char *)session_key.data, session_key.length);
1345 pass = False;
1346 }
1347 return pass;
1348 }
1349
1350 /*
1351 * Test the NTLM response only, no LM.
1352 */
1353
1354 static BOOL test_ntlm(void)
1355 {
1356 BOOL pass = True;
1357 NTSTATUS nt_status;
1358 uint32 flags = 0;
1359 DATA_BLOB nt_response = data_blob(NULL, 24);
1360 DATA_BLOB session_key = data_blob(NULL, 16);
1361
1362 char lm_key[8];
1363 char nt_key[16];
1364 char lm_hash[16];
1365 char nt_hash[16];
1366 DATA_BLOB chall = get_challenge();
1367 char *error_string;
1368
1369 ZERO_STRUCT(lm_key);
1370 ZERO_STRUCT(nt_key);
1371
1372 flags |= WBFLAG_PAM_LMKEY;
1373 flags |= WBFLAG_PAM_NTKEY;
1374
1375 SMBNTencrypt(opt_password,chall.data,nt_response.data);
1376 E_md4hash(opt_password, (unsigned char *)nt_hash);
1377 SMBsesskeygen_ntv1((const unsigned char *)nt_hash, NULL, session_key.data);
1378
1379 E_deshash(opt_password, (unsigned char *)lm_hash);
1380
1381 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
1382 opt_workstation,
1383 &chall,
1384 NULL,
1385 &nt_response,
1386 flags,
1387 (unsigned char *)lm_key,
1388 (unsigned char *)nt_key,
1389 &error_string);
1390
1391 data_blob_free(&nt_response);
1392
1393 if (!NT_STATUS_IS_OK(nt_status)) {
1394 d_printf("%s (0x%x)\n",
1395 error_string,
1396 NT_STATUS_V(nt_status));
1397 SAFE_FREE(error_string);
1398 return False;
1399 }
1400
1401 if (memcmp(lm_hash, lm_key,
1402 sizeof(lm_key)) != 0) {
1403 DEBUG(1, ("LM Key does not match expectations!\n"));
1404 DEBUG(1, ("lm_key:\n"));
1405 dump_data(1, lm_key, 8);
1406 DEBUG(1, ("expected:\n"));
1407 dump_data(1, lm_hash, 8);
1408 pass = False;
1409 }
1410 if (memcmp(session_key.data, nt_key,
1411 sizeof(nt_key)) != 0) {
1412 DEBUG(1, ("NT Session Key does not match expectations!\n"));
1413 DEBUG(1, ("nt_key:\n"));
1414 dump_data(1, nt_key, 16);
1415 DEBUG(1, ("expected:\n"));
1416 dump_data(1, (const char *)session_key.data, session_key.length);
1417 pass = False;
1418 }
1419 return pass;
1420 }
1421
1422 /*
1423 * Test the NTLM response only, but in the LM field.
1424 */
1425
1426 static BOOL test_ntlm_in_lm(void)
1427 {
1428 BOOL pass = True;
1429 NTSTATUS nt_status;
1430 uint32 flags = 0;
1431 DATA_BLOB nt_response = data_blob(NULL, 24);
1432
1433 uchar lm_key[8];
1434 uchar lm_hash[16];
1435 uchar nt_key[16];
1436 DATA_BLOB chall = get_challenge();
1437 char *error_string;
1438
1439 ZERO_STRUCT(nt_key);
1440
1441 flags |= WBFLAG_PAM_LMKEY;
1442 flags |= WBFLAG_PAM_NTKEY;
1443
1444 SMBNTencrypt(opt_password,chall.data,nt_response.data);
1445
1446 E_deshash(opt_password, lm_hash);
1447
1448 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
1449 opt_workstation,
1450 &chall,
1451 &nt_response,
1452 NULL,
1453 flags,
1454 lm_key,
1455 nt_key,
1456 &error_string);
1457
1458 data_blob_free(&nt_response);
1459
1460 if (!NT_STATUS_IS_OK(nt_status)) {
1461 d_printf("%s (0x%x)\n",
1462 error_string,
1463 NT_STATUS_V(nt_status));
1464 SAFE_FREE(error_string);
1465 return False;
1466 }
1467
1468 if (memcmp(lm_hash, lm_key,
1469 sizeof(lm_key)) != 0) {
1470 DEBUG(1, ("LM Key does not match expectations!\n"));
1471 DEBUG(1, ("lm_key:\n"));
1472 dump_data(1, (const char *)lm_key, 8);
1473 DEBUG(1, ("expected:\n"));
1474 dump_data(1, (const char *)lm_hash, 8);
1475 pass = False;
1476 }
1477 if (memcmp(lm_hash, nt_key, 8) != 0) {
1478 DEBUG(1, ("Session Key (first 8 lm hash) does not match expectations!\n"));
1479 DEBUG(1, ("nt_key:\n"));
1480 dump_data(1, (const char *)nt_key, 16);
1481 DEBUG(1, ("expected:\n"));
1482 dump_data(1, (const char *)lm_hash, 8);
1483 pass = False;
1484 }
1485 return pass;
1486 }
1487
1488 /*
1489 * Test the NTLM response only, but in the both the NT and LM fields.
1490 */
1491
1492 static BOOL test_ntlm_in_both(void)
1493 {
1494 BOOL pass = True;
1495 NTSTATUS nt_status;
1496 uint32 flags = 0;
1497 DATA_BLOB nt_response = data_blob(NULL, 24);
1498 DATA_BLOB session_key = data_blob(NULL, 16);
1499
1500 char lm_key[8];
1501 char lm_hash[16];
1502 char nt_key[16];
1503 char nt_hash[16];
1504 DATA_BLOB chall = get_challenge();
1505 char *error_string;
1506
1507 ZERO_STRUCT(lm_key);
1508 ZERO_STRUCT(nt_key);
1509
1510 flags |= WBFLAG_PAM_LMKEY;
1511 flags |= WBFLAG_PAM_NTKEY;
1512
1513 SMBNTencrypt(opt_password,chall.data,nt_response.data);
1514 E_md4hash(opt_password, (unsigned char *)nt_hash);
1515 SMBsesskeygen_ntv1((const unsigned char *)nt_hash, NULL, session_key.data);
1516
1517 E_deshash(opt_password, (unsigned char *)lm_hash);
1518
1519 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
1520 opt_workstation,
1521 &chall,
1522 &nt_response,
1523 &nt_response,
1524 flags,
1525 (unsigned char *)lm_key,
1526 (unsigned char *)nt_key,
1527 &error_string);
1528
1529 data_blob_free(&nt_response);
1530
1531 if (!NT_STATUS_IS_OK(nt_status)) {
1532 d_printf("%s (0x%x)\n",
1533 error_string,
1534 NT_STATUS_V(nt_status));
1535 SAFE_FREE(error_string);
1536 return False;
1537 }
1538
1539 if (memcmp(lm_hash, lm_key,
1540 sizeof(lm_key)) != 0) {
1541 DEBUG(1, ("LM Key does not match expectations!\n"));
1542 DEBUG(1, ("lm_key:\n"));
1543 dump_data(1, lm_key, 8);
1544 DEBUG(1, ("expected:\n"));
1545 dump_data(1, lm_hash, 8);
1546 pass = False;
1547 }
1548 if (memcmp(session_key.data, nt_key,
1549 sizeof(nt_key)) != 0) {
1550 DEBUG(1, ("NT Session Key does not match expectations!\n"));
1551 DEBUG(1, ("nt_key:\n"));
1552 dump_data(1, nt_key, 16);
1553 DEBUG(1, ("expected:\n"));
1554 dump_data(1, (const char *)session_key.data, session_key.length);
1555 pass = False;
1556 }
1557
1558
1559 return pass;
1560 }
1561
1562 /*
1563 * Test the NTLMv2 response only
1564 */
1565
1566 static BOOL test_ntlmv2(void)
1567 {
1568 BOOL pass = True;
1569 NTSTATUS nt_status;
1570 uint32 flags = 0;
1571 DATA_BLOB ntlmv2_response = data_blob(NULL, 0);
1572 DATA_BLOB nt_session_key = data_blob(NULL, 0);
1573 DATA_BLOB names_blob = NTLMv2_generate_names_blob(get_winbind_netbios_name(), get_winbind_domain());
1574
1575 uchar nt_key[16];
1576 DATA_BLOB chall = get_challenge();
1577 char *error_string;
1578
1579 ZERO_STRUCT(nt_key);
1580
1581 flags |= WBFLAG_PAM_NTKEY;
1582
1583 if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
1584 &names_blob,
1585 NULL, &ntlmv2_response,
1586 &nt_session_key)) {
1587 data_blob_free(&names_blob);
1588 return False;
1589 }
1590 data_blob_free(&names_blob);
1591
1592 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
1593 opt_workstation,
1594 &chall,
1595 NULL,
1596 &ntlmv2_response,
1597 flags,
1598 NULL,
1599 nt_key,
1600 &error_string);
1601
1602 data_blob_free(&ntlmv2_response);
1603
1604 if (!NT_STATUS_IS_OK(nt_status)) {
1605 d_printf("%s (0x%x)\n",
1606 error_string,
1607 NT_STATUS_V(nt_status));
1608 SAFE_FREE(error_string);
1609 return False;
1610 }
1611
1612 if (memcmp(nt_session_key.data, nt_key,
1613 sizeof(nt_key)) != 0) {
1614 DEBUG(1, ("NT Session Key does not match expectations!\n"));
1615 DEBUG(1, ("nt_key:\n"));
1616 dump_data(1, (const char *)nt_key, 16);
1617 DEBUG(1, ("expected:\n"));
1618 dump_data(1, (const char *)nt_session_key.data, nt_session_key.length);
1619 pass = False;
1620 }
1621 return pass;
1622 }
1623
1624 /*
1625 * Test the NTLMv2 and LMv2 responses
1626 */
1627
1628 static BOOL test_lmv2_ntlmv2(void)
1629 {
1630 BOOL pass = True;
1631 NTSTATUS nt_status;
1632 uint32 flags = 0;
1633 DATA_BLOB ntlmv2_response = data_blob(NULL, 0);
1634 DATA_BLOB lmv2_response = data_blob(NULL, 0);
1635 DATA_BLOB nt_session_key = data_blob(NULL, 0);
1636 DATA_BLOB names_blob = NTLMv2_generate_names_blob(get_winbind_netbios_name(), get_winbind_domain());
1637
1638 uchar nt_key[16];
1639 DATA_BLOB chall = get_challenge();
1640 char *error_string;
1641
1642 ZERO_STRUCT(nt_key);
1643
1644 flags |= WBFLAG_PAM_NTKEY;
1645
1646 if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
1647 &names_blob,
1648 &lmv2_response, &ntlmv2_response,
1649 &nt_session_key)) {
1650 data_blob_free(&names_blob);
1651 return False;
1652 }
1653 data_blob_free(&names_blob);
1654
1655 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
1656 opt_workstation,
1657 &chall,
1658 &lmv2_response,
1659 &ntlmv2_response,
1660 flags,
1661 NULL,
1662 nt_key,
1663 &error_string);
1664
1665 data_blob_free(&lmv2_response);
1666 data_blob_free(&ntlmv2_response);
1667
1668 if (!NT_STATUS_IS_OK(nt_status)) {
1669 d_printf("%s (0x%x)\n",
1670 error_string,
1671 NT_STATUS_V(nt_status));
1672 SAFE_FREE(error_string);
1673 return False;
1674 }
1675
1676 if (memcmp(nt_session_key.data, nt_key,
1677 sizeof(nt_key)) != 0) {
1678 DEBUG(1, ("NT Session Key does not match expectations!\n"));
1679 DEBUG(1, ("nt_key:\n"));
1680 dump_data(1, (const char *)nt_key, 16);
1681 DEBUG(1, ("expected:\n"));
1682 dump_data(1, (const char *)nt_session_key.data, nt_session_key.length);
1683 pass = False;
1684 }
1685 return pass;
1686 }
1687
1688 /*
1689 * Test the LMv2 response only
1690 */
1691
1692 static BOOL test_lmv2(void)
1693 {
1694 BOOL pass = True;
1695 NTSTATUS nt_status;
1696 uint32 flags = 0;
1697 DATA_BLOB lmv2_response = data_blob(NULL, 0);
1698
1699 DATA_BLOB chall = get_challenge();
1700 char *error_string;
1701
1702 if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
1703 NULL,
1704 &lmv2_response, NULL,
1705 NULL)) {
1706 return False;
1707 }
1708
1709 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
1710 opt_workstation,
1711 &chall,
1712 &lmv2_response,
1713 NULL,
1714 flags,
1715 NULL,
1716 NULL,
1717 &error_string);
1718
1719 data_blob_free(&lmv2_response);
1720
1721 if (!NT_STATUS_IS_OK(nt_status)) {
1722 d_printf("%s (0x%x)\n",
1723 error_string,
1724 NT_STATUS_V(nt_status));
1725 SAFE_FREE(error_string);
1726 return False;
1727 }
1728
1729 return pass;
1730 }
1731
1732 /*
1733 * Test the normal 'LM and NTLM' combination but deliberately break one
1734 */
1735
1736 static BOOL test_ntlm_broken(BOOL break_lm)
1737 {
1738 BOOL pass = True;
1739 NTSTATUS nt_status;
1740 uint32 flags = 0;
1741 DATA_BLOB lm_response = data_blob(NULL, 24);
1742 DATA_BLOB nt_response = data_blob(NULL, 24);
1743 DATA_BLOB session_key = data_blob(NULL, 16);
1744
1745 uchar lm_key[8];
1746 uchar nt_key[16];
1747 uchar lm_hash[16];
1748 uchar nt_hash[16];
1749 DATA_BLOB chall = get_challenge();
1750 char *error_string;
1751
1752 ZERO_STRUCT(lm_key);
1753 ZERO_STRUCT(nt_key);
1754
1755 flags |= WBFLAG_PAM_LMKEY;
1756 flags |= WBFLAG_PAM_NTKEY;
1757
1758 SMBencrypt(opt_password,chall.data,lm_response.data);
1759 E_deshash(opt_password, lm_hash);
1760
1761 SMBNTencrypt(opt_password,chall.data,nt_response.data);
1762
1763 E_md4hash(opt_password, nt_hash);
1764 SMBsesskeygen_ntv1(nt_hash, NULL, session_key.data);
1765
1766 if (break_lm)
1767 lm_response.data[0]++;
1768 else
1769 nt_response.data[0]++;
1770
1771 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
1772 opt_workstation,
1773 &chall,
1774 &lm_response,
1775 &nt_response,
1776 flags,
1777 lm_key,
1778 nt_key,
1779 &error_string);
1780
1781 data_blob_free(&lm_response);
1782
1783 if (!NT_STATUS_IS_OK(nt_status)) {
1784 d_printf("%s (0x%x)\n",
1785 error_string,
1786 NT_STATUS_V(nt_status));
1787 SAFE_FREE(error_string);
1788 return False;
1789 }
1790
1791 if (memcmp(lm_hash, lm_key,
1792 sizeof(lm_key)) != 0) {
1793 DEBUG(1, ("LM Key does not match expectations!\n"));
1794 DEBUG(1, ("lm_key:\n"));
1795 dump_data(1, (const char *)lm_key, 8);
1796 DEBUG(1, ("expected:\n"));
1797 dump_data(1, (const char *)lm_hash, 8);
1798 pass = False;
1799 }
1800 if (memcmp(session_key.data, nt_key,
1801 sizeof(nt_key)) != 0) {
1802 DEBUG(1, ("NT Session Key does not match expectations!\n"));
1803 DEBUG(1, ("nt_key:\n"));
1804 dump_data(1, (const char *)nt_key, 16);
1805 DEBUG(1, ("expected:\n"));
1806 dump_data(1, (const char *)session_key.data, session_key.length);
1807 pass = False;
1808 }
1809 return pass;
1810 }
1811
1812 static BOOL test_ntlm_lm_broken(void)
1813 {
1814 return test_ntlm_broken(True);
1815 }
1816
1817 static BOOL test_ntlm_ntlm_broken(void)
1818 {
1819 return test_ntlm_broken(False);
1820 }
1821
1822 static BOOL test_ntlmv2_broken(BOOL break_lmv2)
1823 {
1824 BOOL pass = True;
1825 NTSTATUS nt_status;
1826 uint32 flags = 0;
1827 DATA_BLOB ntlmv2_response = data_blob(NULL, 0);
1828 DATA_BLOB lmv2_response = data_blob(NULL, 0);
1829 DATA_BLOB nt_session_key = data_blob(NULL, 0);
1830 DATA_BLOB names_blob = NTLMv2_generate_names_blob(get_winbind_netbios_name(), get_winbind_domain());
1831
1832 uchar nt_key[16];
1833 DATA_BLOB chall = get_challenge();
1834 char *error_string;
1835
1836 ZERO_STRUCT(nt_key);
1837
1838 flags |= WBFLAG_PAM_NTKEY;
1839
1840 if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
1841 &names_blob,
1842 &lmv2_response, &ntlmv2_response,
1843 &nt_session_key)) {
1844 data_blob_free(&names_blob);
1845 return False;
1846 }
1847 data_blob_free(&names_blob);
1848
1849 /* Heh - this should break the appropriate password hash nicely! */
1850
1851 if (break_lmv2)
1852 lmv2_response.data[0]++;
1853 else
1854 ntlmv2_response.data[0]++;
1855
1856 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
1857 opt_workstation,
1858 &chall,
1859 &lmv2_response,
1860 &ntlmv2_response,
1861 flags,
1862 NULL,
1863 nt_key,
1864 &error_string);
1865
1866 data_blob_free(&lmv2_response);
1867 data_blob_free(&ntlmv2_response);
1868
1869 if (!NT_STATUS_IS_OK(nt_status)) {
1870 d_printf("%s (0x%x)\n",
1871 error_string,
1872 NT_STATUS_V(nt_status));
1873 SAFE_FREE(error_string);
1874 return False;
1875 }
1876
1877 return pass;
1878 }
1879
1880 static BOOL test_ntlmv2_lmv2_broken(void)
1881 {
1882 return test_ntlmv2_broken(True);
1883 }
1884
1885 static BOOL test_ntlmv2_ntlmv2_broken(void)
1886 {
1887 return test_ntlmv2_broken(False);
1888 }
1889
1890 /*
1891 Tests:
1892
1893 - LM only
1894 - NT and LM
1895 - NT
1896 - NT in LM field
1897 - NT in both fields
1898 - NTLMv2
1899 - NTLMv2 and LMv2
1900 - LMv2
1901
1902 check we get the correct session key in each case
1903 check what values we get for the LM session key
1904
1905 */
1906
1907 struct ntlm_tests {
1908 BOOL (*fn)(void);
1909 const char *name;
1910 } test_table[] = {
1911 {test_lm, "LM"},
1912 {test_lm_ntlm, "LM and NTLM"},
1913 {test_ntlm, "NTLM"},
1914 {test_ntlm_in_lm, "NTLM in LM"},
1915 {test_ntlm_in_both, "NTLM in both"},
1916 {test_ntlmv2, "NTLMv2"},
1917 {test_lmv2_ntlmv2, "NTLMv2 and LMv2"},
1918 {test_lmv2, "LMv2"},
1919 {test_ntlmv2_lmv2_broken, "NTLMv2 and LMv2, LMv2 broken"},
1920 {test_ntlmv2_ntlmv2_broken, "NTLMv2 and LMv2, NTLMv2 broken"},
1921 {test_ntlm_lm_broken, "NTLM and LM, LM broken"},
1922 {test_ntlm_ntlm_broken, "NTLM and LM, NTLM broken"}
1923 };
1924
1925 static BOOL diagnose_ntlm_auth(void)
1926 {
1927 unsigned int i;
1928 BOOL pass = True;
1929
1930 for (i=0; test_table[i].fn; i++) {
1931 if (!test_table[i].fn()) {
1932 DEBUG(1, ("Test %s failed!\n", test_table[i].name));
1933 pass = False;
1934 }
1935 }
1936
1937 return pass;
1938 }
1939
1940 /* Main program */
1941
1942 enum {
1943 OPT_USERNAME = 1000,
1944 OPT_DOMAIN,
1945 OPT_WORKSTATION,
1946 OPT_CHALLENGE,
1947 OPT_RESPONSE,
1948 OPT_LM,
1949 OPT_NT,
1950 OPT_PASSWORD,
1951 OPT_LM_KEY,
1952 OPT_NT_KEY,
1953 OPT_DIAGNOSTICS
1954 };
1955
1956 int main(int argc, const char **argv)
1957 {
1958 int opt;
1959 static const char *helper_protocol;
1960 static int diagnostics;
1961
1962 static const char *hex_challenge;
1963 static const char *hex_lm_response;
1964 static const char *hex_nt_response;
1965 char *challenge;
1966 char *lm_response;
1967 char *nt_response;
1968 size_t challenge_len;
1969 size_t lm_response_len;
1970 size_t nt_response_len;
1971
1972 poptContext pc;
1973
1974 /* NOTE: DO NOT change this interface without considering the implications!
1975 This is an external interface, which other programs will use to interact
1976 with this helper.
1977 */
1978
1979 /* We do not use single-letter command abbreviations, because they harm future
1980 interface stability. */
1981
1982 struct poptOption long_options[] = {
1983 POPT_AUTOHELP
1984 { "helper-protocol", 0, POPT_ARG_STRING, &helper_protocol, OPT_DOMAIN, "operate as a stdio-based helper", "helper protocol to use"},
1985 { "username", 0, POPT_ARG_STRING, &opt_username, OPT_USERNAME, "username"},
1986 { "domain", 0, POPT_ARG_STRING, &opt_domain, OPT_DOMAIN, "domain name"},
1987 { "workstation", 0, POPT_ARG_STRING, &opt_workstation, OPT_WORKSTATION, "workstation"},
1988 { "challenge", 0, POPT_ARG_STRING, &hex_challenge, OPT_CHALLENGE, "challenge (HEX encoded)"},
1989 { "lm-response", 0, POPT_ARG_STRING, &hex_lm_response, OPT_LM, "LM Response to the challenge (HEX encoded)"},
1990 { "nt-response", 0, POPT_ARG_STRING, &hex_nt_response, OPT_NT, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
1991 { "password", 0, POPT_ARG_STRING, &opt_password, OPT_PASSWORD, "User's plaintext password"},
1992 { "request-lm-key", 0, POPT_ARG_NONE, &request_lm_key, OPT_LM_KEY, "Retreive LM session key"},
1993 { "request-nt-key", 0, POPT_ARG_NONE, &request_nt_key, OPT_NT_KEY, "Retreive NT session key"},
1994 { "diagnostics", 0, POPT_ARG_NONE, &diagnostics, OPT_DIAGNOSTICS, "Perform diagnostics on the authentictaion chain"},
1995 POPT_COMMON_SAMBA
1996 POPT_TABLEEND
1997 };
1998
1999 /* Samba client initialisation */
2000
2001 dbf = x_stderr;
2002
2003 /* Samba client initialisation */
2004
2005 if (!lp_load(dyn_CONFIGFILE, True, False, False)) {
2006 d_fprintf(stderr, "wbinfo: error opening config file %s. Error was %s\n",
2007 dyn_CONFIGFILE, strerror(errno));
2008 exit(1);
2009 }
2010
2011 /* Parse options */
2012
2013 pc = poptGetContext("ntlm_auth", argc, argv, long_options, 0);
2014
2015 /* Parse command line options */
2016
2017 if (argc == 1) {
2018 poptPrintHelp(pc, stderr, 0);
2019 return 1;
2020 }
2021
2022 pc = poptGetContext(NULL, argc, (const char **)argv, long_options,
2023 POPT_CONTEXT_KEEP_FIRST);
2024
2025 while((opt = poptGetNextOpt(pc)) != -1) {
2026 switch (opt) {
2027 case OPT_CHALLENGE:
2028 challenge = smb_xmalloc((strlen(hex_challenge))/2+1);
2029 if ((challenge_len = strhex_to_str(challenge,
2030 strlen(hex_challenge),
2031 hex_challenge)) != 8) {
2032 x_fprintf(x_stderr, "hex decode of %s failed (only got %lu bytes)!\n",
2033 hex_challenge, (unsigned long)challenge_len);
2034 exit(1);
2035 }
2036 opt_challenge = data_blob(challenge, challenge_len);
2037 SAFE_FREE(challenge);
2038 break;
2039 case OPT_LM:
2040 lm_response = smb_xmalloc((strlen(hex_lm_response))/2+1);
2041 lm_response_len = strhex_to_str(lm_response,
2042 strlen(hex_lm_response),
2043 hex_lm_response);
2044 if (lm_response_len != 24) {
2045 x_fprintf(x_stderr, "hex decode of %s failed!\n", hex_lm_response);
2046 exit(1);
2047 }
2048 opt_lm_response = data_blob(lm_response, lm_response_len);
2049 SAFE_FREE(lm_response);
2050 break;
2051 case OPT_NT:
2052 nt_response = smb_xmalloc((strlen(hex_nt_response)+2)/2+1);
2053 nt_response_len = strhex_to_str(nt_response,
2054 strlen(hex_nt_response),
2055 hex_nt_response);
2056 if (nt_response_len < 24) {
2057 x_fprintf(x_stderr, "hex decode of %s failed!\n", hex_nt_response);
2058 exit(1);
2059 }
2060 opt_nt_response = data_blob(nt_response, nt_response_len);
2061 SAFE_FREE(nt_response);
2062 break;
2063 }
2064 }
2065
2066 if (helper_protocol) {
2067 int i;
2068 for (i=0; i<NUM_HELPER_MODES; i++) {
2069 if (strcmp(helper_protocol, stdio_helper_protocols[i].name) == 0) {
2070 squid_stream(stdio_helper_protocols[i].mode, stdio_helper_protocols[i].fn);
2071 exit(0);
2072 }
2073 }
2074 x_fprintf(x_stderr, "unknown helper protocol [%s]\n", helper_protocol);
2075 exit(1);
2076 }
2077
2078 if (!opt_username) {
2079 x_fprintf(x_stderr, "username must be specified!\n\n");
2080 poptPrintHelp(pc, stderr, 0);
2081 exit(1);
2082 }
2083
2084 if (opt_domain == NULL) {
2085 opt_domain = get_winbind_domain();
2086 }
2087
2088 if (opt_workstation == NULL) {
2089 opt_workstation = "";
2090 }
2091
2092 if (opt_challenge.length) {
2093 if (!check_auth_crap()) {
2094 exit(1);
2095 }
2096 exit(0);
2097 }
2098
2099 if (!opt_password) {
2100 opt_password = getpass("password: ");
2101 }
2102
2103 if (diagnostics) {
2104 if (!diagnose_ntlm_auth()) {
2105 exit(1);
2106 }
2107 } else {
2108 fstring user;
2109
2110 fstr_sprintf(user, "%s%c%s", opt_domain, winbind_separator(), opt_username);
2111 if (!check_plaintext_auth(user, opt_password, True)) {
2112 exit(1);
2113 }
2114 }
2115
2116 /* Exit code */
2117
2118 poptFreeContext(pc);
2119 return 0;
2120 }
reg import