?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
s3: Rename new parameter "ldap ref follow" to "ldap follow referral".
[Samba/gebeck_regimport.git] / source3 / utils / ntlm_auth.c
blob3bdc45a6ef7f092c85173414715d5fe1d952f3ab
1 /*
2 Unix SMB/CIFS implementation.
3
4 Winbind status program.
5
6 Copyright (C) Tim Potter 2000-2003
7 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003-2004
8 Copyright (C) Francesco Chemolli <kinkie@kame.usr.dsi.unimi.it> 2000
9 Copyright (C) Robert O'Callahan 2006 (added cached credential code).
10 Copyright (C) Kai Blin <kai@samba.org> 2008
11
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3 of the License, or
15 (at your option) any later version.
16
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 You should have received a copy of the GNU General Public License
23 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 */
25
26 #include "includes.h"
27 #include "utils/ntlm_auth.h"
28 #include "../libcli/auth/libcli_auth.h"
29 #include "../libcli/auth/spnego.h"
30 #include <iniparser.h>
31
32 #ifndef PAM_WINBIND_CONFIG_FILE
33 #define PAM_WINBIND_CONFIG_FILE "/etc/security/pam_winbind.conf"
34 #endif
35
36 #define WINBIND_KRB5_AUTH 0x00000080
37
38 #undef DBGC_CLASS
39 #define DBGC_CLASS DBGC_WINBIND
40
41 #define INITIAL_BUFFER_SIZE 300
42 #define MAX_BUFFER_SIZE 630000
43
44 enum stdio_helper_mode {
45 SQUID_2_4_BASIC,
46 SQUID_2_5_BASIC,
47 SQUID_2_5_NTLMSSP,
48 NTLMSSP_CLIENT_1,
49 GSS_SPNEGO,
50 GSS_SPNEGO_CLIENT,
51 NTLM_SERVER_1,
52 NTLM_CHANGE_PASSWORD_1,
53 NUM_HELPER_MODES
54 };
55
56 enum ntlm_auth_cli_state {
57 CLIENT_INITIAL = 0,
58 CLIENT_RESPONSE,
59 CLIENT_FINISHED,
60 CLIENT_ERROR
61 };
62
63 enum ntlm_auth_svr_state {
64 SERVER_INITIAL = 0,
65 SERVER_CHALLENGE,
66 SERVER_FINISHED,
67 SERVER_ERROR
68 };
69
70 struct ntlm_auth_state {
71 TALLOC_CTX *mem_ctx;
72 enum stdio_helper_mode helper_mode;
73 enum ntlm_auth_cli_state cli_state;
74 enum ntlm_auth_svr_state svr_state;
75 struct ntlmssp_state *ntlmssp_state;
76 uint32_t neg_flags;
77 char *want_feature_list;
78 bool have_session_key;
79 DATA_BLOB session_key;
80 DATA_BLOB initial_message;
81 };
82
83 typedef void (*stdio_helper_function)(struct ntlm_auth_state *state, char *buf,
84 int length);
85
86 static void manage_squid_basic_request (struct ntlm_auth_state *state,
87 char *buf, int length);
88
89 static void manage_squid_ntlmssp_request (struct ntlm_auth_state *state,
90 char *buf, int length);
91
92 static void manage_client_ntlmssp_request (struct ntlm_auth_state *state,
93 char *buf, int length);
94
95 static void manage_gss_spnego_request (struct ntlm_auth_state *state,
96 char *buf, int length);
97
98 static void manage_gss_spnego_client_request (struct ntlm_auth_state *state,
99 char *buf, int length);
100
101 static void manage_ntlm_server_1_request (struct ntlm_auth_state *state,
102 char *buf, int length);
103
104 static void manage_ntlm_change_password_1_request(struct ntlm_auth_state *state,
105 char *buf, int length);
106
107 static const struct {
108 enum stdio_helper_mode mode;
109 const char *name;
110 stdio_helper_function fn;
111 } stdio_helper_protocols[] = {
112 { SQUID_2_4_BASIC, "squid-2.4-basic", manage_squid_basic_request},
113 { SQUID_2_5_BASIC, "squid-2.5-basic", manage_squid_basic_request},
114 { SQUID_2_5_NTLMSSP, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request},
115 { NTLMSSP_CLIENT_1, "ntlmssp-client-1", manage_client_ntlmssp_request},
116 { GSS_SPNEGO, "gss-spnego", manage_gss_spnego_request},
117 { GSS_SPNEGO_CLIENT, "gss-spnego-client", manage_gss_spnego_client_request},
118 { NTLM_SERVER_1, "ntlm-server-1", manage_ntlm_server_1_request},
119 { NTLM_CHANGE_PASSWORD_1, "ntlm-change-password-1", manage_ntlm_change_password_1_request},
120 { NUM_HELPER_MODES, NULL, NULL}
121 };
122
123 const char *opt_username;
124 const char *opt_domain;
125 const char *opt_workstation;
126 const char *opt_password;
127 static DATA_BLOB opt_challenge;
128 static DATA_BLOB opt_lm_response;
129 static DATA_BLOB opt_nt_response;
130 static int request_lm_key;
131 static int request_user_session_key;
132 static int use_cached_creds;
133
134 static const char *require_membership_of;
135 static const char *require_membership_of_sid;
136 static const char *opt_pam_winbind_conf;
137
138 static char winbind_separator(void)
139 {
140 struct winbindd_response response;
141 static bool got_sep;
142 static char sep;
143
144 if (got_sep)
145 return sep;
146
147 ZERO_STRUCT(response);
148
149 /* Send off request */
150
151 if (winbindd_request_response(WINBINDD_INFO, NULL, &response) !=
152 NSS_STATUS_SUCCESS) {
153 d_printf("could not obtain winbind separator!\n");
154 return *lp_winbind_separator();
155 }
156
157 sep = response.data.info.winbind_separator;
158 got_sep = True;
159
160 if (!sep) {
161 d_printf("winbind separator was NULL!\n");
162 return *lp_winbind_separator();
163 }
164
165 return sep;
166 }
167
168 const char *get_winbind_domain(void)
169 {
170 struct winbindd_response response;
171
172 static fstring winbind_domain;
173 if (*winbind_domain) {
174 return winbind_domain;
175 }
176
177 ZERO_STRUCT(response);
178
179 /* Send off request */
180
181 if (winbindd_request_response(WINBINDD_DOMAIN_NAME, NULL, &response) !=
182 NSS_STATUS_SUCCESS) {
183 DEBUG(0, ("could not obtain winbind domain name!\n"));
184 return lp_workgroup();
185 }
186
187 fstrcpy(winbind_domain, response.data.domain_name);
188
189 return winbind_domain;
190
191 }
192
193 const char *get_winbind_netbios_name(void)
194 {
195 struct winbindd_response response;
196
197 static fstring winbind_netbios_name;
198
199 if (*winbind_netbios_name) {
200 return winbind_netbios_name;
201 }
202
203 ZERO_STRUCT(response);
204
205 /* Send off request */
206
207 if (winbindd_request_response(WINBINDD_NETBIOS_NAME, NULL, &response) !=
208 NSS_STATUS_SUCCESS) {
209 DEBUG(0, ("could not obtain winbind netbios name!\n"));
210 return global_myname();
211 }
212
213 fstrcpy(winbind_netbios_name, response.data.netbios_name);
214
215 return winbind_netbios_name;
216
217 }
218
219 DATA_BLOB get_challenge(void)
220 {
221 static DATA_BLOB chal;
222 if (opt_challenge.length)
223 return opt_challenge;
224
225 chal = data_blob(NULL, 8);
226
227 generate_random_buffer(chal.data, chal.length);
228 return chal;
229 }
230
231 /* Copy of parse_domain_user from winbindd_util.c. Parse a string of the
232 form DOMAIN/user into a domain and a user */
233
234 static bool parse_ntlm_auth_domain_user(const char *domuser, fstring domain,
235 fstring user)
236 {
237
238 char *p = strchr(domuser,winbind_separator());
239
240 if (!p) {
241 return False;
242 }
243
244 fstrcpy(user, p+1);
245 fstrcpy(domain, domuser);
246 domain[PTR_DIFF(p, domuser)] = 0;
247 strupper_m(domain);
248
249 return True;
250 }
251
252 static bool get_require_membership_sid(void) {
253 struct winbindd_request request;
254 struct winbindd_response response;
255
256 if (!require_membership_of) {
257 return True;
258 }
259
260 if (require_membership_of_sid) {
261 return True;
262 }
263
264 /* Otherwise, ask winbindd for the name->sid request */
265
266 ZERO_STRUCT(request);
267 ZERO_STRUCT(response);
268
269 if (!parse_ntlm_auth_domain_user(require_membership_of,
270 request.data.name.dom_name,
271 request.data.name.name)) {
272 DEBUG(0, ("Could not parse %s into seperate domain/name parts!\n",
273 require_membership_of));
274 return False;
275 }
276
277 if (winbindd_request_response(WINBINDD_LOOKUPNAME, &request, &response) !=
278 NSS_STATUS_SUCCESS) {
279 DEBUG(0, ("Winbindd lookupname failed to resolve %s into a SID!\n",
280 require_membership_of));
281 return False;
282 }
283
284 require_membership_of_sid = SMB_STRDUP(response.data.sid.sid);
285
286 if (require_membership_of_sid)
287 return True;
288
289 return False;
290 }
291
292 /*
293 * Get some configuration from pam_winbind.conf to see if we
294 * need to contact trusted domain
295 */
296
297 int get_pam_winbind_config()
298 {
299 int ctrl = 0;
300 dictionary *d = NULL;
301
302 if (!opt_pam_winbind_conf || !*opt_pam_winbind_conf) {
303 opt_pam_winbind_conf = PAM_WINBIND_CONFIG_FILE;
304 }
305
306 d = iniparser_load(CONST_DISCARD(char *, opt_pam_winbind_conf));
307
308 if (!d) {
309 return 0;
310 }
311
312 if (iniparser_getboolean(d, CONST_DISCARD(char *, "global:krb5_auth"), false)) {
313 ctrl |= WINBIND_KRB5_AUTH;
314 }
315
316 iniparser_freedict(d);
317
318 return ctrl;
319 }
320
321 /* Authenticate a user with a plaintext password */
322
323 static bool check_plaintext_auth(const char *user, const char *pass,
324 bool stdout_diagnostics)
325 {
326 struct winbindd_request request;
327 struct winbindd_response response;
328 NSS_STATUS result;
329
330 if (!get_require_membership_sid()) {
331 return False;
332 }
333
334 /* Send off request */
335
336 ZERO_STRUCT(request);
337 ZERO_STRUCT(response);
338
339 fstrcpy(request.data.auth.user, user);
340 fstrcpy(request.data.auth.pass, pass);
341 if (require_membership_of_sid) {
342 strlcpy(request.data.auth.require_membership_of_sid,
343 require_membership_of_sid,
344 sizeof(request.data.auth.require_membership_of_sid));
345 }
346
347 result = winbindd_request_response(WINBINDD_PAM_AUTH, &request, &response);
348
349 /* Display response */
350
351 if (stdout_diagnostics) {
352 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
353 d_printf("Reading winbind reply failed! (0x01)\n");
354 }
355
356 d_printf("%s: %s (0x%x)\n",
357 response.data.auth.nt_status_string,
358 response.data.auth.error_string,
359 response.data.auth.nt_status);
360 } else {
361 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
362 DEBUG(1, ("Reading winbind reply failed! (0x01)\n"));
363 }
364
365 DEBUG(3, ("%s: %s (0x%x)\n",
366 response.data.auth.nt_status_string,
367 response.data.auth.error_string,
368 response.data.auth.nt_status));
369 }
370
371 return (result == NSS_STATUS_SUCCESS);
372 }
373
374 /* authenticate a user with an encrypted username/password */
375
376 NTSTATUS contact_winbind_auth_crap(const char *username,
377 const char *domain,
378 const char *workstation,
379 const DATA_BLOB *challenge,
380 const DATA_BLOB *lm_response,
381 const DATA_BLOB *nt_response,
382 uint32 flags,
383 uint8 lm_key[8],
384 uint8 user_session_key[16],
385 char **error_string,
386 char **unix_name)
387 {
388 NTSTATUS nt_status;
389 NSS_STATUS result;
390 struct winbindd_request request;
391 struct winbindd_response response;
392
393 if (!get_require_membership_sid()) {
394 return NT_STATUS_INVALID_PARAMETER;
395 }
396
397 ZERO_STRUCT(request);
398 ZERO_STRUCT(response);
399
400 request.flags = flags;
401
402 request.data.auth_crap.logon_parameters = MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT | MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT;
403
404 if (require_membership_of_sid)
405 fstrcpy(request.data.auth_crap.require_membership_of_sid, require_membership_of_sid);
406
407 fstrcpy(request.data.auth_crap.user, username);
408 fstrcpy(request.data.auth_crap.domain, domain);
409
410 fstrcpy(request.data.auth_crap.workstation,
411 workstation);
412
413 memcpy(request.data.auth_crap.chal, challenge->data, MIN(challenge->length, 8));
414
415 if (lm_response && lm_response->length) {
416 memcpy(request.data.auth_crap.lm_resp,
417 lm_response->data,
418 MIN(lm_response->length, sizeof(request.data.auth_crap.lm_resp)));
419 request.data.auth_crap.lm_resp_len = lm_response->length;
420 }
421
422 if (nt_response && nt_response->length) {
423 if (nt_response->length > sizeof(request.data.auth_crap.nt_resp)) {
424 request.flags = request.flags | WBFLAG_BIG_NTLMV2_BLOB;
425 request.extra_len = nt_response->length;
426 request.extra_data.data = SMB_MALLOC_ARRAY(char, request.extra_len);
427 if (request.extra_data.data == NULL) {
428 return NT_STATUS_NO_MEMORY;
429 }
430 memcpy(request.extra_data.data, nt_response->data,
431 nt_response->length);
432
433 } else {
434 memcpy(request.data.auth_crap.nt_resp,
435 nt_response->data, nt_response->length);
436 }
437 request.data.auth_crap.nt_resp_len = nt_response->length;
438 }
439
440 result = winbindd_request_response(WINBINDD_PAM_AUTH_CRAP, &request, &response);
441 SAFE_FREE(request.extra_data.data);
442
443 /* Display response */
444
445 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
446 nt_status = NT_STATUS_UNSUCCESSFUL;
447 if (error_string)
448 *error_string = smb_xstrdup("Reading winbind reply failed!");
449 winbindd_free_response(&response);
450 return nt_status;
451 }
452
453 nt_status = (NT_STATUS(response.data.auth.nt_status));
454 if (!NT_STATUS_IS_OK(nt_status)) {
455 if (error_string)
456 *error_string = smb_xstrdup(response.data.auth.error_string);
457 winbindd_free_response(&response);
458 return nt_status;
459 }
460
461 if ((flags & WBFLAG_PAM_LMKEY) && lm_key) {
462 memcpy(lm_key, response.data.auth.first_8_lm_hash,
463 sizeof(response.data.auth.first_8_lm_hash));
464 }
465 if ((flags & WBFLAG_PAM_USER_SESSION_KEY) && user_session_key) {
466 memcpy(user_session_key, response.data.auth.user_session_key,
467 sizeof(response.data.auth.user_session_key));
468 }
469
470 if (flags & WBFLAG_PAM_UNIX_NAME) {
471 *unix_name = SMB_STRDUP(response.data.auth.unix_username);
472 if (!*unix_name) {
473 winbindd_free_response(&response);
474 return NT_STATUS_NO_MEMORY;
475 }
476 }
477
478 winbindd_free_response(&response);
479 return nt_status;
480 }
481
482 /* contact server to change user password using auth crap */
483 static NTSTATUS contact_winbind_change_pswd_auth_crap(const char *username,
484 const char *domain,
485 const DATA_BLOB new_nt_pswd,
486 const DATA_BLOB old_nt_hash_enc,
487 const DATA_BLOB new_lm_pswd,
488 const DATA_BLOB old_lm_hash_enc,
489 char **error_string)
490 {
491 NTSTATUS nt_status;
492 NSS_STATUS result;
493 struct winbindd_request request;
494 struct winbindd_response response;
495
496 if (!get_require_membership_sid())
497 {
498 if(error_string)
499 *error_string = smb_xstrdup("Can't get membership sid.");
500 return NT_STATUS_INVALID_PARAMETER;
501 }
502
503 ZERO_STRUCT(request);
504 ZERO_STRUCT(response);
505
506 if(username != NULL)
507 fstrcpy(request.data.chng_pswd_auth_crap.user, username);
508 if(domain != NULL)
509 fstrcpy(request.data.chng_pswd_auth_crap.domain,domain);
510
511 if(new_nt_pswd.length)
512 {
513 memcpy(request.data.chng_pswd_auth_crap.new_nt_pswd, new_nt_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_nt_pswd));
514 request.data.chng_pswd_auth_crap.new_nt_pswd_len = new_nt_pswd.length;
515 }
516
517 if(old_nt_hash_enc.length)
518 {
519 memcpy(request.data.chng_pswd_auth_crap.old_nt_hash_enc, old_nt_hash_enc.data, sizeof(request.data.chng_pswd_auth_crap.old_nt_hash_enc));
520 request.data.chng_pswd_auth_crap.old_nt_hash_enc_len = old_nt_hash_enc.length;
521 }
522
523 if(new_lm_pswd.length)
524 {
525 memcpy(request.data.chng_pswd_auth_crap.new_lm_pswd, new_lm_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_lm_pswd));
526 request.data.chng_pswd_auth_crap.new_lm_pswd_len = new_lm_pswd.length;
527 }
528
529 if(old_lm_hash_enc.length)
530 {
531 memcpy(request.data.chng_pswd_auth_crap.old_lm_hash_enc, old_lm_hash_enc.data, sizeof(request.data.chng_pswd_auth_crap.old_lm_hash_enc));
532 request.data.chng_pswd_auth_crap.old_lm_hash_enc_len = old_lm_hash_enc.length;
533 }
534
535 result = winbindd_request_response(WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP, &request, &response);
536
537 /* Display response */
538
539 if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0))
540 {
541 nt_status = NT_STATUS_UNSUCCESSFUL;
542 if (error_string)
543 *error_string = smb_xstrdup("Reading winbind reply failed!");
544 winbindd_free_response(&response);
545 return nt_status;
546 }
547
548 nt_status = (NT_STATUS(response.data.auth.nt_status));
549 if (!NT_STATUS_IS_OK(nt_status))
550 {
551 if (error_string)
552 *error_string = smb_xstrdup(response.data.auth.error_string);
553 winbindd_free_response(&response);
554 return nt_status;
555 }
556
557 winbindd_free_response(&response);
558
559 return nt_status;
560 }
561
562 static NTSTATUS winbind_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
563 {
564 static const char zeros[16] = { 0, };
565 NTSTATUS nt_status;
566 char *error_string = NULL;
567 uint8 lm_key[8];
568 uint8 user_sess_key[16];
569 char *unix_name = NULL;
570
571 nt_status = contact_winbind_auth_crap(ntlmssp_state->user, ntlmssp_state->domain,
572 ntlmssp_state->workstation,
573 &ntlmssp_state->chal,
574 &ntlmssp_state->lm_resp,
575 &ntlmssp_state->nt_resp,
576 WBFLAG_PAM_LMKEY | WBFLAG_PAM_USER_SESSION_KEY | WBFLAG_PAM_UNIX_NAME,
577 lm_key, user_sess_key,
578 &error_string, &unix_name);
579
580 if (NT_STATUS_IS_OK(nt_status)) {
581 if (memcmp(lm_key, zeros, 8) != 0) {
582 *lm_session_key = data_blob(NULL, 16);
583 memcpy(lm_session_key->data, lm_key, 8);
584 memset(lm_session_key->data+8, '\0', 8);
585 }
586
587 if (memcmp(user_sess_key, zeros, 16) != 0) {
588 *user_session_key = data_blob(user_sess_key, 16);
589 }
590 ntlmssp_state->auth_context = talloc_strdup(ntlmssp_state,
591 unix_name);
592 } else {
593 DEBUG(NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED) ? 0 : 3,
594 ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
595 ntlmssp_state->domain, ntlmssp_state->user,
596 ntlmssp_state->workstation,
597 error_string ? error_string : "unknown error (NULL)"));
598 ntlmssp_state->auth_context = NULL;
599 }
600
601 SAFE_FREE(error_string);
602 SAFE_FREE(unix_name);
603 return nt_status;
604 }
605
606 static NTSTATUS local_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
607 {
608 NTSTATUS nt_status;
609 struct samr_Password lm_pw, nt_pw;
610
611 nt_lm_owf_gen (opt_password, nt_pw.hash, lm_pw.hash);
612
613 nt_status = ntlm_password_check(ntlmssp_state,
614 true, true, 0,
615 &ntlmssp_state->chal,
616 &ntlmssp_state->lm_resp,
617 &ntlmssp_state->nt_resp,
618 ntlmssp_state->user,
619 ntlmssp_state->user,
620 ntlmssp_state->domain,
621 &lm_pw, &nt_pw, user_session_key, lm_session_key);
622
623 if (NT_STATUS_IS_OK(nt_status)) {
624 ntlmssp_state->auth_context = talloc_asprintf(ntlmssp_state,
625 "%s%c%s", ntlmssp_state->domain,
626 *lp_winbind_separator(),
627 ntlmssp_state->user);
628 } else {
629 DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
630 ntlmssp_state->domain, ntlmssp_state->user, ntlmssp_state->workstation,
631 nt_errstr(nt_status)));
632 ntlmssp_state->auth_context = NULL;
633 }
634 return nt_status;
635 }
636
637 static NTSTATUS ntlm_auth_start_ntlmssp_client(NTLMSSP_STATE **client_ntlmssp_state)
638 {
639 NTSTATUS status;
640 if ( (opt_username == NULL) || (opt_domain == NULL) ) {
641 status = NT_STATUS_UNSUCCESSFUL;
642 DEBUG(1, ("Need username and domain for NTLMSSP\n"));
643 return NT_STATUS_INVALID_PARAMETER;
644 }
645
646 status = ntlmssp_client_start(client_ntlmssp_state);
647
648 if (!NT_STATUS_IS_OK(status)) {
649 DEBUG(1, ("Could not start NTLMSSP client: %s\n",
650 nt_errstr(status)));
651 ntlmssp_end(client_ntlmssp_state);
652 return status;
653 }
654
655 status = ntlmssp_set_username(*client_ntlmssp_state, opt_username);
656
657 if (!NT_STATUS_IS_OK(status)) {
658 DEBUG(1, ("Could not set username: %s\n",
659 nt_errstr(status)));
660 ntlmssp_end(client_ntlmssp_state);
661 return status;
662 }
663
664 status = ntlmssp_set_domain(*client_ntlmssp_state, opt_domain);
665
666 if (!NT_STATUS_IS_OK(status)) {
667 DEBUG(1, ("Could not set domain: %s\n",
668 nt_errstr(status)));
669 ntlmssp_end(client_ntlmssp_state);
670 return status;
671 }
672
673 if (opt_password) {
674 status = ntlmssp_set_password(*client_ntlmssp_state, opt_password);
675
676 if (!NT_STATUS_IS_OK(status)) {
677 DEBUG(1, ("Could not set password: %s\n",
678 nt_errstr(status)));
679 ntlmssp_end(client_ntlmssp_state);
680 return status;
681 }
682 }
683
684 return NT_STATUS_OK;
685 }
686
687 static NTSTATUS ntlm_auth_start_ntlmssp_server(NTLMSSP_STATE **ntlmssp_state)
688 {
689 NTSTATUS status = ntlmssp_server_start(ntlmssp_state);
690
691 if (!NT_STATUS_IS_OK(status)) {
692 DEBUG(1, ("Could not start NTLMSSP server: %s\n",
693 nt_errstr(status)));
694 return status;
695 }
696
697 /* Have we been given a local password, or should we ask winbind? */
698 if (opt_password) {
699 (*ntlmssp_state)->check_password = local_pw_check;
700 (*ntlmssp_state)->get_domain = lp_workgroup;
701 (*ntlmssp_state)->get_global_myname = global_myname;
702 } else {
703 (*ntlmssp_state)->check_password = winbind_pw_check;
704 (*ntlmssp_state)->get_domain = get_winbind_domain;
705 (*ntlmssp_state)->get_global_myname = get_winbind_netbios_name;
706 }
707 return NT_STATUS_OK;
708 }
709
710 /*******************************************************************
711 Used by firefox to drive NTLM auth to IIS servers.
712 *******************************************************************/
713
714 static NTSTATUS do_ccache_ntlm_auth(DATA_BLOB initial_msg, DATA_BLOB challenge_msg,
715 DATA_BLOB *reply)
716 {
717 struct winbindd_request wb_request;
718 struct winbindd_response wb_response;
719 int ctrl = 0;
720 NSS_STATUS result;
721
722 /* get winbindd to do the ntlmssp step on our behalf */
723 ZERO_STRUCT(wb_request);
724 ZERO_STRUCT(wb_response);
725
726 /*
727 * This is tricky here. If we set krb5_auth in pam_winbind.conf
728 * creds for users in trusted domain will be stored the winbindd
729 * child of the trusted domain. If we ask the primary domain for
730 * ntlm_ccache_auth, it will fail. So, we have to ask the trusted
731 * domain's child for ccache_ntlm_auth. that is to say, we have to
732 * set WBFALG_PAM_CONTACT_TRUSTDOM in request.flags.
733 */
734 ctrl = get_pam_winbind_config();
735
736 if (ctrl | WINBIND_KRB5_AUTH) {
737 wb_request.flags |= WBFLAG_PAM_CONTACT_TRUSTDOM;
738 }
739
740 fstr_sprintf(wb_request.data.ccache_ntlm_auth.user,
741 "%s%c%s", opt_domain, winbind_separator(), opt_username);
742 wb_request.data.ccache_ntlm_auth.uid = geteuid();
743 wb_request.data.ccache_ntlm_auth.initial_blob_len = initial_msg.length;
744 wb_request.data.ccache_ntlm_auth.challenge_blob_len = challenge_msg.length;
745 wb_request.extra_len = initial_msg.length + challenge_msg.length;
746
747 if (wb_request.extra_len > 0) {
748 wb_request.extra_data.data = SMB_MALLOC_ARRAY(char, wb_request.extra_len);
749 if (wb_request.extra_data.data == NULL) {
750 return NT_STATUS_NO_MEMORY;
751 }
752
753 memcpy(wb_request.extra_data.data, initial_msg.data, initial_msg.length);
754 memcpy(wb_request.extra_data.data + initial_msg.length,
755 challenge_msg.data, challenge_msg.length);
756 }
757
758 result = winbindd_request_response(WINBINDD_CCACHE_NTLMAUTH, &wb_request, &wb_response);
759 SAFE_FREE(wb_request.extra_data.data);
760
761 if (result != NSS_STATUS_SUCCESS) {
762 winbindd_free_response(&wb_response);
763 return NT_STATUS_UNSUCCESSFUL;
764 }
765
766 if (reply) {
767 *reply = data_blob(wb_response.extra_data.data,
768 wb_response.data.ccache_ntlm_auth.auth_blob_len);
769 if (wb_response.data.ccache_ntlm_auth.auth_blob_len > 0 &&
770 reply->data == NULL) {
771 winbindd_free_response(&wb_response);
772 return NT_STATUS_NO_MEMORY;
773 }
774 }
775
776 winbindd_free_response(&wb_response);
777 return NT_STATUS_MORE_PROCESSING_REQUIRED;
778 }
779
780 static void manage_squid_ntlmssp_request(struct ntlm_auth_state *state,
781 char *buf, int length)
782 {
783 DATA_BLOB request, reply;
784 NTSTATUS nt_status;
785
786 if (strlen(buf) < 2) {
787 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
788 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
789 return;
790 }
791
792 if (strlen(buf) > 3) {
793 if(strncmp(buf, "SF ", 3) == 0){
794 DEBUG(10, ("Setting flags to negotioate\n"));
795 TALLOC_FREE(state->want_feature_list);
796 state->want_feature_list = talloc_strdup(state->mem_ctx,
797 buf+3);
798 x_fprintf(x_stdout, "OK\n");
799 return;
800 }
801 request = base64_decode_data_blob(buf + 3);
802 } else {
803 request = data_blob_null;
804 }
805
806 if ((strncmp(buf, "PW ", 3) == 0)) {
807 /* The calling application wants us to use a local password
808 * (rather than winbindd) */
809
810 opt_password = SMB_STRNDUP((const char *)request.data,
811 request.length);
812
813 if (opt_password == NULL) {
814 DEBUG(1, ("Out of memory\n"));
815 x_fprintf(x_stdout, "BH Out of memory\n");
816 data_blob_free(&request);
817 return;
818 }
819
820 x_fprintf(x_stdout, "OK\n");
821 data_blob_free(&request);
822 return;
823 }
824
825 if (strncmp(buf, "YR", 2) == 0) {
826 if (state->ntlmssp_state)
827 ntlmssp_end(&state->ntlmssp_state);
828 state->svr_state = SERVER_INITIAL;
829 } else if (strncmp(buf, "KK", 2) == 0) {
830 /* No special preprocessing required */
831 } else if (strncmp(buf, "GF", 2) == 0) {
832 DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
833
834 if (state->svr_state == SERVER_FINISHED) {
835 x_fprintf(x_stdout, "GF 0x%08x\n", state->neg_flags);
836 }
837 else {
838 x_fprintf(x_stdout, "BH\n");
839 }
840 data_blob_free(&request);
841 return;
842 } else if (strncmp(buf, "GK", 2) == 0) {
843 DEBUG(10, ("Requested NTLMSSP session key\n"));
844 if(state->have_session_key) {
845 char *key64 = base64_encode_data_blob(state->mem_ctx,
846 state->session_key);
847 x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
848 TALLOC_FREE(key64);
849 } else {
850 x_fprintf(x_stdout, "BH\n");
851 }
852
853 data_blob_free(&request);
854 return;
855 } else {
856 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
857 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
858 return;
859 }
860
861 if (!state->ntlmssp_state) {
862 nt_status = ntlm_auth_start_ntlmssp_server(
863 &state->ntlmssp_state);
864 if (!NT_STATUS_IS_OK(nt_status)) {
865 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
866 return;
867 }
868 ntlmssp_want_feature_list(state->ntlmssp_state,
869 state->want_feature_list);
870 }
871
872 DEBUG(10, ("got NTLMSSP packet:\n"));
873 dump_data(10, request.data, request.length);
874
875 nt_status = ntlmssp_update(state->ntlmssp_state, request, &reply);
876
877 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
878 char *reply_base64 = base64_encode_data_blob(state->mem_ctx,
879 reply);
880 x_fprintf(x_stdout, "TT %s\n", reply_base64);
881 TALLOC_FREE(reply_base64);
882 data_blob_free(&reply);
883 state->svr_state = SERVER_CHALLENGE;
884 DEBUG(10, ("NTLMSSP challenge\n"));
885 } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
886 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
887 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
888
889 ntlmssp_end(&state->ntlmssp_state);
890 } else if (!NT_STATUS_IS_OK(nt_status)) {
891 x_fprintf(x_stdout, "NA %s\n", nt_errstr(nt_status));
892 DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status)));
893 } else {
894 x_fprintf(x_stdout, "AF %s\n",
895 (char *)state->ntlmssp_state->auth_context);
896 DEBUG(10, ("NTLMSSP OK!\n"));
897
898 if(state->have_session_key)
899 data_blob_free(&state->session_key);
900 state->session_key = data_blob(
901 state->ntlmssp_state->session_key.data,
902 state->ntlmssp_state->session_key.length);
903 state->neg_flags = state->ntlmssp_state->neg_flags;
904 state->have_session_key = true;
905 state->svr_state = SERVER_FINISHED;
906 }
907
908 data_blob_free(&request);
909 }
910
911 static void manage_client_ntlmssp_request(struct ntlm_auth_state *state,
912 char *buf, int length)
913 {
914 DATA_BLOB request, reply;
915 NTSTATUS nt_status;
916
917 if (!opt_username || !*opt_username) {
918 x_fprintf(x_stderr, "username must be specified!\n\n");
919 exit(1);
920 }
921
922 if (strlen(buf) < 2) {
923 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
924 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
925 return;
926 }
927
928 if (strlen(buf) > 3) {
929 if(strncmp(buf, "SF ", 3) == 0) {
930 DEBUG(10, ("Looking for flags to negotiate\n"));
931 talloc_free(state->want_feature_list);
932 state->want_feature_list = talloc_strdup(state->mem_ctx,
933 buf+3);
934 x_fprintf(x_stdout, "OK\n");
935 return;
936 }
937 request = base64_decode_data_blob(buf + 3);
938 } else {
939 request = data_blob_null;
940 }
941
942 if (strncmp(buf, "PW ", 3) == 0) {
943 /* We asked for a password and obviously got it :-) */
944
945 opt_password = SMB_STRNDUP((const char *)request.data,
946 request.length);
947
948 if (opt_password == NULL) {
949 DEBUG(1, ("Out of memory\n"));
950 x_fprintf(x_stdout, "BH Out of memory\n");
951 data_blob_free(&request);
952 return;
953 }
954
955 x_fprintf(x_stdout, "OK\n");
956 data_blob_free(&request);
957 return;
958 }
959
960 if (!state->ntlmssp_state && use_cached_creds) {
961 /* check whether cached credentials are usable. */
962 DATA_BLOB empty_blob = data_blob_null;
963
964 nt_status = do_ccache_ntlm_auth(empty_blob, empty_blob, NULL);
965 if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
966 /* failed to use cached creds */
967 use_cached_creds = False;
968 }
969 }
970
971 if (opt_password == NULL && !use_cached_creds) {
972 /* Request a password from the calling process. After
973 sending it, the calling process should retry asking for the
974 negotiate. */
975
976 DEBUG(10, ("Requesting password\n"));
977 x_fprintf(x_stdout, "PW\n");
978 return;
979 }
980
981 if (strncmp(buf, "YR", 2) == 0) {
982 if (state->ntlmssp_state)
983 ntlmssp_end(&state->ntlmssp_state);
984 state->cli_state = CLIENT_INITIAL;
985 } else if (strncmp(buf, "TT", 2) == 0) {
986 /* No special preprocessing required */
987 } else if (strncmp(buf, "GF", 2) == 0) {
988 DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
989
990 if(state->cli_state == CLIENT_FINISHED) {
991 x_fprintf(x_stdout, "GF 0x%08x\n", state->neg_flags);
992 }
993 else {
994 x_fprintf(x_stdout, "BH\n");
995 }
996
997 data_blob_free(&request);
998 return;
999 } else if (strncmp(buf, "GK", 2) == 0 ) {
1000 DEBUG(10, ("Requested session key\n"));
1001
1002 if(state->cli_state == CLIENT_FINISHED) {
1003 char *key64 = base64_encode_data_blob(state->mem_ctx,
1004 state->session_key);
1005 x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
1006 TALLOC_FREE(key64);
1007 }
1008 else {
1009 x_fprintf(x_stdout, "BH\n");
1010 }
1011
1012 data_blob_free(&request);
1013 return;
1014 } else {
1015 DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
1016 x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
1017 return;
1018 }
1019
1020 if (!state->ntlmssp_state) {
1021 nt_status = ntlm_auth_start_ntlmssp_client(
1022 &state->ntlmssp_state);
1023 if (!NT_STATUS_IS_OK(nt_status)) {
1024 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
1025 return;
1026 }
1027 ntlmssp_want_feature_list(state->ntlmssp_state,
1028 state->want_feature_list);
1029 state->initial_message = data_blob_null;
1030 }
1031
1032 DEBUG(10, ("got NTLMSSP packet:\n"));
1033 dump_data(10, request.data, request.length);
1034
1035 if (use_cached_creds && !opt_password &&
1036 (state->cli_state == CLIENT_RESPONSE)) {
1037 nt_status = do_ccache_ntlm_auth(state->initial_message, request,
1038 &reply);
1039 } else {
1040 nt_status = ntlmssp_update(state->ntlmssp_state, request,
1041 &reply);
1042 }
1043
1044 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1045 char *reply_base64 = base64_encode_data_blob(state->mem_ctx,
1046 reply);
1047 if (state->cli_state == CLIENT_INITIAL) {
1048 x_fprintf(x_stdout, "YR %s\n", reply_base64);
1049 state->initial_message = reply;
1050 state->cli_state = CLIENT_RESPONSE;
1051 } else {
1052 x_fprintf(x_stdout, "KK %s\n", reply_base64);
1053 data_blob_free(&reply);
1054 }
1055 TALLOC_FREE(reply_base64);
1056 DEBUG(10, ("NTLMSSP challenge\n"));
1057 } else if (NT_STATUS_IS_OK(nt_status)) {
1058 char *reply_base64 = base64_encode_data_blob(talloc_tos(),
1059 reply);
1060 x_fprintf(x_stdout, "AF %s\n", reply_base64);
1061 TALLOC_FREE(reply_base64);
1062
1063 if(state->have_session_key)
1064 data_blob_free(&state->session_key);
1065
1066 state->session_key = data_blob(
1067 state->ntlmssp_state->session_key.data,
1068 state->ntlmssp_state->session_key.length);
1069 state->neg_flags = state->ntlmssp_state->neg_flags;
1070 state->have_session_key = true;
1071
1072 DEBUG(10, ("NTLMSSP OK!\n"));
1073 state->cli_state = CLIENT_FINISHED;
1074 if (state->ntlmssp_state)
1075 ntlmssp_end(&state->ntlmssp_state);
1076 } else {
1077 x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
1078 DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
1079 state->cli_state = CLIENT_ERROR;
1080 if (state->ntlmssp_state)
1081 ntlmssp_end(&state->ntlmssp_state);
1082 }
1083
1084 data_blob_free(&request);
1085 }
1086
1087 static void manage_squid_basic_request(struct ntlm_auth_state *state,
1088 char *buf, int length)
1089 {
1090 char *user, *pass;
1091 user=buf;
1092
1093 pass=(char *)memchr(buf,' ',length);
1094 if (!pass) {
1095 DEBUG(2, ("Password not found. Denying access\n"));
1096 x_fprintf(x_stdout, "ERR\n");
1097 return;
1098 }
1099 *pass='\0';
1100 pass++;
1101
1102 if (state->helper_mode == SQUID_2_5_BASIC) {
1103 rfc1738_unescape(user);
1104 rfc1738_unescape(pass);
1105 }
1106
1107 if (check_plaintext_auth(user, pass, False)) {
1108 x_fprintf(x_stdout, "OK\n");
1109 } else {
1110 x_fprintf(x_stdout, "ERR\n");
1111 }
1112 }
1113
1114 static void offer_gss_spnego_mechs(void) {
1115
1116 DATA_BLOB token;
1117 struct spnego_data spnego;
1118 ssize_t len;
1119 char *reply_base64;
1120 TALLOC_CTX *ctx = talloc_tos();
1121 char *principal;
1122 char *myname_lower;
1123
1124 ZERO_STRUCT(spnego);
1125
1126 myname_lower = talloc_strdup(ctx, global_myname());
1127 if (!myname_lower) {
1128 return;
1129 }
1130 strlower_m(myname_lower);
1131
1132 principal = talloc_asprintf(ctx, "%s$@%s", myname_lower, lp_realm());
1133 if (!principal) {
1134 return;
1135 }
1136
1137 /* Server negTokenInit (mech offerings) */
1138 spnego.type = SPNEGO_NEG_TOKEN_INIT;
1139 spnego.negTokenInit.mechTypes = SMB_XMALLOC_ARRAY(const char *, 2);
1140 #ifdef HAVE_KRB5
1141 spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_KERBEROS5_OLD);
1142 spnego.negTokenInit.mechTypes[1] = smb_xstrdup(OID_NTLMSSP);
1143 spnego.negTokenInit.mechTypes[2] = NULL;
1144 #else
1145 spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_NTLMSSP);
1146 spnego.negTokenInit.mechTypes[1] = NULL;
1147 #endif
1148
1149
1150 spnego.negTokenInit.mechListMIC = data_blob(principal,
1151 strlen(principal));
1152
1153 len = spnego_write_data(ctx, &token, &spnego);
1154 spnego_free_data(&spnego);
1155
1156 if (len == -1) {
1157 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1158 x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
1159 return;
1160 }
1161
1162 reply_base64 = base64_encode_data_blob(talloc_tos(), token);
1163 x_fprintf(x_stdout, "TT %s *\n", reply_base64);
1164
1165 TALLOC_FREE(reply_base64);
1166 data_blob_free(&token);
1167 DEBUG(10, ("sent SPNEGO negTokenInit\n"));
1168 return;
1169 }
1170
1171 static void manage_gss_spnego_request(struct ntlm_auth_state *state,
1172 char *buf, int length)
1173 {
1174 static NTLMSSP_STATE *ntlmssp_state = NULL;
1175 struct spnego_data request, response;
1176 DATA_BLOB token;
1177 NTSTATUS status;
1178 ssize_t len;
1179 TALLOC_CTX *ctx = talloc_tos();
1180
1181 char *user = NULL;
1182 char *domain = NULL;
1183
1184 const char *reply_code;
1185 char *reply_base64;
1186 char *reply_argument = NULL;
1187
1188 if (strlen(buf) < 2) {
1189 DEBUG(1, ("SPENGO query [%s] invalid", buf));
1190 x_fprintf(x_stdout, "BH SPENGO query invalid\n");
1191 return;
1192 }
1193
1194 if (strncmp(buf, "YR", 2) == 0) {
1195 if (ntlmssp_state)
1196 ntlmssp_end(&ntlmssp_state);
1197 } else if (strncmp(buf, "KK", 2) == 0) {
1198 ;
1199 } else {
1200 DEBUG(1, ("SPENGO query [%s] invalid", buf));
1201 x_fprintf(x_stdout, "BH SPENGO query invalid\n");
1202 return;
1203 }
1204
1205 if ( (strlen(buf) == 2)) {
1206
1207 /* no client data, get the negTokenInit offering
1208 mechanisms */
1209
1210 offer_gss_spnego_mechs();
1211 return;
1212 }
1213
1214 /* All subsequent requests have a blob. This might be negTokenInit or negTokenTarg */
1215
1216 if (strlen(buf) <= 3) {
1217 DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf));
1218 x_fprintf(x_stdout, "BH GSS-SPNEGO query invalid\n");
1219 return;
1220 }
1221
1222 token = base64_decode_data_blob(buf + 3);
1223 len = spnego_read_data(ctx, token, &request);
1224 data_blob_free(&token);
1225
1226 if (len == -1) {
1227 DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf));
1228 x_fprintf(x_stdout, "BH GSS-SPNEGO query invalid\n");
1229 return;
1230 }
1231
1232 if (request.type == SPNEGO_NEG_TOKEN_INIT) {
1233
1234 /* Second request from Client. This is where the
1235 client offers its mechanism to use. */
1236
1237 if ( (request.negTokenInit.mechTypes == NULL) ||
1238 (request.negTokenInit.mechTypes[0] == NULL) ) {
1239 DEBUG(1, ("Client did not offer any mechanism"));
1240 x_fprintf(x_stdout, "BH Client did not offer any "
1241 "mechanism\n");
1242 return;
1243 }
1244
1245 status = NT_STATUS_UNSUCCESSFUL;
1246 if (strcmp(request.negTokenInit.mechTypes[0], OID_NTLMSSP) == 0) {
1247
1248 if ( request.negTokenInit.mechToken.data == NULL ) {
1249 DEBUG(1, ("Client did not provide NTLMSSP data\n"));
1250 x_fprintf(x_stdout, "BH Client did not provide "
1251 "NTLMSSP data\n");
1252 return;
1253 }
1254
1255 if ( ntlmssp_state != NULL ) {
1256 DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
1257 "already got one\n"));
1258 x_fprintf(x_stdout, "BH Client wants a new "
1259 "NTLMSSP challenge, but "
1260 "already got one\n");
1261 ntlmssp_end(&ntlmssp_state);
1262 return;
1263 }
1264
1265 if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
1266 x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
1267 return;
1268 }
1269
1270 DEBUG(10, ("got NTLMSSP packet:\n"));
1271 dump_data(10, request.negTokenInit.mechToken.data,
1272 request.negTokenInit.mechToken.length);
1273
1274 response.type = SPNEGO_NEG_TOKEN_TARG;
1275 response.negTokenTarg.supportedMech = SMB_STRDUP(OID_NTLMSSP);
1276 response.negTokenTarg.mechListMIC = data_blob_null;
1277
1278 status = ntlmssp_update(ntlmssp_state,
1279 request.negTokenInit.mechToken,
1280 &response.negTokenTarg.responseToken);
1281 }
1282
1283 #ifdef HAVE_KRB5
1284 if (strcmp(request.negTokenInit.mechTypes[0], OID_KERBEROS5_OLD) == 0) {
1285
1286 TALLOC_CTX *mem_ctx = talloc_init("manage_gss_spnego_request");
1287 char *principal;
1288 DATA_BLOB ap_rep;
1289 DATA_BLOB session_key;
1290 struct PAC_DATA *pac_data = NULL;
1291
1292 if ( request.negTokenInit.mechToken.data == NULL ) {
1293 DEBUG(1, ("Client did not provide Kerberos data\n"));
1294 x_fprintf(x_stdout, "BH Client did not provide "
1295 "Kerberos data\n");
1296 return;
1297 }
1298
1299 response.type = SPNEGO_NEG_TOKEN_TARG;
1300 response.negTokenTarg.supportedMech = SMB_STRDUP(OID_KERBEROS5_OLD);
1301 response.negTokenTarg.mechListMIC = data_blob_null;
1302 response.negTokenTarg.responseToken = data_blob_null;
1303
1304 status = ads_verify_ticket(mem_ctx, lp_realm(), 0,
1305 &request.negTokenInit.mechToken,
1306 &principal, &pac_data, &ap_rep,
1307 &session_key, True);
1308
1309 /* Now in "principal" we have the name we are
1310 authenticated as. */
1311
1312 if (NT_STATUS_IS_OK(status)) {
1313
1314 domain = strchr_m(principal, '@');
1315
1316 if (domain == NULL) {
1317 DEBUG(1, ("Did not get a valid principal "
1318 "from ads_verify_ticket\n"));
1319 x_fprintf(x_stdout, "BH Did not get a "
1320 "valid principal from "
1321 "ads_verify_ticket\n");
1322 return;
1323 }
1324
1325 *domain++ = '\0';
1326 domain = SMB_STRDUP(domain);
1327 user = SMB_STRDUP(principal);
1328
1329 data_blob_free(&ap_rep);
1330 }
1331
1332 TALLOC_FREE(mem_ctx);
1333 }
1334 #endif
1335
1336 } else {
1337
1338 if ( (request.negTokenTarg.supportedMech == NULL) ||
1339 ( strcmp(request.negTokenTarg.supportedMech, OID_NTLMSSP) != 0 ) ) {
1340 /* Kerberos should never send a negTokenTarg, OID_NTLMSSP
1341 is the only one we support that sends this stuff */
1342 DEBUG(1, ("Got a negTokenTarg for something non-NTLMSSP: %s\n",
1343 request.negTokenTarg.supportedMech));
1344 x_fprintf(x_stdout, "BH Got a negTokenTarg for "
1345 "something non-NTLMSSP\n");
1346 return;
1347 }
1348
1349 if (request.negTokenTarg.responseToken.data == NULL) {
1350 DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
1351 x_fprintf(x_stdout, "BH Got a negTokenTarg without a "
1352 "responseToken!\n");
1353 return;
1354 }
1355
1356 status = ntlmssp_update(ntlmssp_state,
1357 request.negTokenTarg.responseToken,
1358 &response.negTokenTarg.responseToken);
1359
1360 response.type = SPNEGO_NEG_TOKEN_TARG;
1361 response.negTokenTarg.supportedMech = SMB_STRDUP(OID_NTLMSSP);
1362 response.negTokenTarg.mechListMIC = data_blob_null;
1363
1364 if (NT_STATUS_IS_OK(status)) {
1365 user = SMB_STRDUP(ntlmssp_state->user);
1366 domain = SMB_STRDUP(ntlmssp_state->domain);
1367 ntlmssp_end(&ntlmssp_state);
1368 }
1369 }
1370
1371 spnego_free_data(&request);
1372
1373 if (NT_STATUS_IS_OK(status)) {
1374 response.negTokenTarg.negResult = SPNEGO_ACCEPT_COMPLETED;
1375 reply_code = "AF";
1376 reply_argument = talloc_asprintf(ctx, "%s\\%s", domain, user);
1377 } else if (NT_STATUS_EQUAL(status,
1378 NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1379 response.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
1380 reply_code = "TT";
1381 reply_argument = talloc_strdup(ctx, "*");
1382 } else {
1383 response.negTokenTarg.negResult = SPNEGO_REJECT;
1384 reply_code = "NA";
1385 reply_argument = talloc_strdup(ctx, nt_errstr(status));
1386 }
1387
1388 if (!reply_argument) {
1389 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1390 x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
1391 return;
1392 }
1393
1394 SAFE_FREE(user);
1395 SAFE_FREE(domain);
1396
1397 len = spnego_write_data(ctx, &token, &response);
1398 spnego_free_data(&response);
1399
1400 if (len == -1) {
1401 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1402 x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
1403 return;
1404 }
1405
1406 reply_base64 = base64_encode_data_blob(talloc_tos(), token);
1407
1408 x_fprintf(x_stdout, "%s %s %s\n",
1409 reply_code, reply_base64, reply_argument);
1410
1411 TALLOC_FREE(reply_base64);
1412 data_blob_free(&token);
1413
1414 return;
1415 }
1416
1417 static NTLMSSP_STATE *client_ntlmssp_state = NULL;
1418
1419 static bool manage_client_ntlmssp_init(struct spnego_data spnego)
1420 {
1421 NTSTATUS status;
1422 DATA_BLOB null_blob = data_blob_null;
1423 DATA_BLOB to_server;
1424 char *to_server_base64;
1425 const char *my_mechs[] = {OID_NTLMSSP, NULL};
1426 TALLOC_CTX *ctx = talloc_tos();
1427
1428 DEBUG(10, ("Got spnego negTokenInit with NTLMSSP\n"));
1429
1430 if (client_ntlmssp_state != NULL) {
1431 DEBUG(1, ("Request for initial SPNEGO request where "
1432 "we already have a state\n"));
1433 return False;
1434 }
1435
1436 if (!client_ntlmssp_state) {
1437 if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_client(&client_ntlmssp_state))) {
1438 x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
1439 return False;
1440 }
1441 }
1442
1443
1444 if (opt_password == NULL) {
1445
1446 /* Request a password from the calling process. After
1447 sending it, the calling process should retry with
1448 the negTokenInit. */
1449
1450 DEBUG(10, ("Requesting password\n"));
1451 x_fprintf(x_stdout, "PW\n");
1452 return True;
1453 }
1454
1455 spnego.type = SPNEGO_NEG_TOKEN_INIT;
1456 spnego.negTokenInit.mechTypes = my_mechs;
1457 spnego.negTokenInit.reqFlags = data_blob_null;
1458 spnego.negTokenInit.reqFlagsPadding = 0;
1459 spnego.negTokenInit.mechListMIC = null_blob;
1460
1461 status = ntlmssp_update(client_ntlmssp_state, null_blob,
1462 &spnego.negTokenInit.mechToken);
1463
1464 if ( !(NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) ||
1465 NT_STATUS_IS_OK(status)) ) {
1466 DEBUG(1, ("Expected OK or MORE_PROCESSING_REQUIRED, got: %s\n",
1467 nt_errstr(status)));
1468 ntlmssp_end(&client_ntlmssp_state);
1469 return False;
1470 }
1471
1472 spnego_write_data(ctx, &to_server, &spnego);
1473 data_blob_free(&spnego.negTokenInit.mechToken);
1474
1475 to_server_base64 = base64_encode_data_blob(talloc_tos(), to_server);
1476 data_blob_free(&to_server);
1477 x_fprintf(x_stdout, "KK %s\n", to_server_base64);
1478 TALLOC_FREE(to_server_base64);
1479 return True;
1480 }
1481
1482 static void manage_client_ntlmssp_targ(struct spnego_data spnego)
1483 {
1484 NTSTATUS status;
1485 DATA_BLOB null_blob = data_blob_null;
1486 DATA_BLOB request;
1487 DATA_BLOB to_server;
1488 char *to_server_base64;
1489 TALLOC_CTX *ctx = talloc_tos();
1490
1491 DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
1492
1493 if (client_ntlmssp_state == NULL) {
1494 DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
1495 x_fprintf(x_stdout, "BH Got NTLMSSP tArg without a client state\n");
1496 return;
1497 }
1498
1499 if (spnego.negTokenTarg.negResult == SPNEGO_REJECT) {
1500 x_fprintf(x_stdout, "NA\n");
1501 ntlmssp_end(&client_ntlmssp_state);
1502 return;
1503 }
1504
1505 if (spnego.negTokenTarg.negResult == SPNEGO_ACCEPT_COMPLETED) {
1506 x_fprintf(x_stdout, "AF\n");
1507 ntlmssp_end(&client_ntlmssp_state);
1508 return;
1509 }
1510
1511 status = ntlmssp_update(client_ntlmssp_state,
1512 spnego.negTokenTarg.responseToken,
1513 &request);
1514
1515 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1516 DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED from "
1517 "ntlmssp_client_update, got: %s\n",
1518 nt_errstr(status)));
1519 x_fprintf(x_stdout, "BH Expected MORE_PROCESSING_REQUIRED from "
1520 "ntlmssp_client_update\n");
1521 data_blob_free(&request);
1522 ntlmssp_end(&client_ntlmssp_state);
1523 return;
1524 }
1525
1526 spnego.type = SPNEGO_NEG_TOKEN_TARG;
1527 spnego.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
1528 spnego.negTokenTarg.supportedMech = (char *)OID_NTLMSSP;
1529 spnego.negTokenTarg.responseToken = request;
1530 spnego.negTokenTarg.mechListMIC = null_blob;
1531
1532 spnego_write_data(ctx, &to_server, &spnego);
1533 data_blob_free(&request);
1534
1535 to_server_base64 = base64_encode_data_blob(talloc_tos(), to_server);
1536 data_blob_free(&to_server);
1537 x_fprintf(x_stdout, "KK %s\n", to_server_base64);
1538 TALLOC_FREE(to_server_base64);
1539 return;
1540 }
1541
1542 #ifdef HAVE_KRB5
1543
1544 static bool manage_client_krb5_init(struct spnego_data spnego)
1545 {
1546 char *principal;
1547 DATA_BLOB tkt, to_server;
1548 DATA_BLOB session_key_krb5 = data_blob_null;
1549 struct spnego_data reply;
1550 char *reply_base64;
1551 int retval;
1552
1553 const char *my_mechs[] = {OID_KERBEROS5_OLD, NULL};
1554 ssize_t len;
1555 TALLOC_CTX *ctx = talloc_tos();
1556
1557 if ( (spnego.negTokenInit.mechListMIC.data == NULL) ||
1558 (spnego.negTokenInit.mechListMIC.length == 0) ) {
1559 DEBUG(1, ("Did not get a principal for krb5\n"));
1560 return False;
1561 }
1562
1563 principal = (char *)SMB_MALLOC(
1564 spnego.negTokenInit.mechListMIC.length+1);
1565
1566 if (principal == NULL) {
1567 DEBUG(1, ("Could not malloc principal\n"));
1568 return False;
1569 }
1570
1571 memcpy(principal, spnego.negTokenInit.mechListMIC.data,
1572 spnego.negTokenInit.mechListMIC.length);
1573 principal[spnego.negTokenInit.mechListMIC.length] = '\0';
1574
1575 retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL);
1576
1577 if (retval) {
1578 char *user = NULL;
1579
1580 /* Let's try to first get the TGT, for that we need a
1581 password. */
1582
1583 if (opt_password == NULL) {
1584 DEBUG(10, ("Requesting password\n"));
1585 x_fprintf(x_stdout, "PW\n");
1586 return True;
1587 }
1588
1589 user = talloc_asprintf(talloc_tos(), "%s@%s", opt_username, opt_domain);
1590 if (!user) {
1591 return false;
1592 }
1593
1594 if ((retval = kerberos_kinit_password(user, opt_password, 0, NULL))) {
1595 DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval)));
1596 return False;
1597 }
1598
1599 retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL);
1600
1601 if (retval) {
1602 DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval)));
1603 return False;
1604 }
1605 }
1606
1607 data_blob_free(&session_key_krb5);
1608
1609 ZERO_STRUCT(reply);
1610
1611 reply.type = SPNEGO_NEG_TOKEN_INIT;
1612 reply.negTokenInit.mechTypes = my_mechs;
1613 reply.negTokenInit.reqFlags = data_blob_null;
1614 reply.negTokenInit.reqFlagsPadding = 0;
1615 reply.negTokenInit.mechToken = tkt;
1616 reply.negTokenInit.mechListMIC = data_blob_null;
1617
1618 len = spnego_write_data(ctx, &to_server, &reply);
1619 data_blob_free(&tkt);
1620
1621 if (len == -1) {
1622 DEBUG(1, ("Could not write SPNEGO data blob\n"));
1623 return False;
1624 }
1625
1626 reply_base64 = base64_encode_data_blob(talloc_tos(), to_server);
1627 x_fprintf(x_stdout, "KK %s *\n", reply_base64);
1628
1629 TALLOC_FREE(reply_base64);
1630 data_blob_free(&to_server);
1631 DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
1632 return True;
1633 }
1634
1635 static void manage_client_krb5_targ(struct spnego_data spnego)
1636 {
1637 switch (spnego.negTokenTarg.negResult) {
1638 case SPNEGO_ACCEPT_INCOMPLETE:
1639 DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
1640 x_fprintf(x_stdout, "BH Got a Kerberos negTokenTarg with "
1641 "ACCEPT_INCOMPLETE\n");
1642 break;
1643 case SPNEGO_ACCEPT_COMPLETED:
1644 DEBUG(10, ("Accept completed\n"));
1645 x_fprintf(x_stdout, "AF\n");
1646 break;
1647 case SPNEGO_REJECT:
1648 DEBUG(10, ("Rejected\n"));
1649 x_fprintf(x_stdout, "NA\n");
1650 break;
1651 default:
1652 DEBUG(1, ("Got an invalid negTokenTarg\n"));
1653 x_fprintf(x_stdout, "AF\n");
1654 }
1655 }
1656
1657 #endif
1658
1659 static void manage_gss_spnego_client_request(struct ntlm_auth_state *state,
1660 char *buf, int length)
1661 {
1662 DATA_BLOB request;
1663 struct spnego_data spnego;
1664 ssize_t len;
1665 TALLOC_CTX *ctx = talloc_tos();
1666
1667 if (!opt_username || !*opt_username) {
1668 x_fprintf(x_stderr, "username must be specified!\n\n");
1669 exit(1);
1670 }
1671
1672 if (strlen(buf) <= 3) {
1673 DEBUG(1, ("SPNEGO query [%s] too short\n", buf));
1674 x_fprintf(x_stdout, "BH SPNEGO query too short\n");
1675 return;
1676 }
1677
1678 request = base64_decode_data_blob(buf+3);
1679
1680 if (strncmp(buf, "PW ", 3) == 0) {
1681
1682 /* We asked for a password and obviously got it :-) */
1683
1684 opt_password = SMB_STRNDUP((const char *)request.data, request.length);
1685
1686 if (opt_password == NULL) {
1687 DEBUG(1, ("Out of memory\n"));
1688 x_fprintf(x_stdout, "BH Out of memory\n");
1689 data_blob_free(&request);
1690 return;
1691 }
1692
1693 x_fprintf(x_stdout, "OK\n");
1694 data_blob_free(&request);
1695 return;
1696 }
1697
1698 if ( (strncmp(buf, "TT ", 3) != 0) &&
1699 (strncmp(buf, "AF ", 3) != 0) &&
1700 (strncmp(buf, "NA ", 3) != 0) ) {
1701 DEBUG(1, ("SPNEGO request [%s] invalid\n", buf));
1702 x_fprintf(x_stdout, "BH SPNEGO request invalid\n");
1703 data_blob_free(&request);
1704 return;
1705 }
1706
1707 /* So we got a server challenge to generate a SPNEGO
1708 client-to-server request... */
1709
1710 len = spnego_read_data(ctx, request, &spnego);
1711 data_blob_free(&request);
1712
1713 if (len == -1) {
1714 DEBUG(1, ("Could not read SPNEGO data for [%s]\n", buf));
1715 x_fprintf(x_stdout, "BH Could not read SPNEGO data\n");
1716 return;
1717 }
1718
1719 if (spnego.type == SPNEGO_NEG_TOKEN_INIT) {
1720
1721 /* The server offers a list of mechanisms */
1722
1723 const char **mechType = (const char **)spnego.negTokenInit.mechTypes;
1724
1725 while (*mechType != NULL) {
1726
1727 #ifdef HAVE_KRB5
1728 if ( (strcmp(*mechType, OID_KERBEROS5_OLD) == 0) ||
1729 (strcmp(*mechType, OID_KERBEROS5) == 0) ) {
1730 if (manage_client_krb5_init(spnego))
1731 goto out;
1732 }
1733 #endif
1734
1735 if (strcmp(*mechType, OID_NTLMSSP) == 0) {
1736 if (manage_client_ntlmssp_init(spnego))
1737 goto out;
1738 }
1739
1740 mechType++;
1741 }
1742
1743 DEBUG(1, ("Server offered no compatible mechanism\n"));
1744 x_fprintf(x_stdout, "BH Server offered no compatible mechanism\n");
1745 return;
1746 }
1747
1748 if (spnego.type == SPNEGO_NEG_TOKEN_TARG) {
1749
1750 if (spnego.negTokenTarg.supportedMech == NULL) {
1751 /* On accept/reject Windows does not send the
1752 mechanism anymore. Handle that here and
1753 shut down the mechanisms. */
1754
1755 switch (spnego.negTokenTarg.negResult) {
1756 case SPNEGO_ACCEPT_COMPLETED:
1757 x_fprintf(x_stdout, "AF\n");
1758 break;
1759 case SPNEGO_REJECT:
1760 x_fprintf(x_stdout, "NA\n");
1761 break;
1762 default:
1763 DEBUG(1, ("Got a negTokenTarg with no mech and an "
1764 "unknown negResult: %d\n",
1765 spnego.negTokenTarg.negResult));
1766 x_fprintf(x_stdout, "BH Got a negTokenTarg with"
1767 " no mech and an unknown "
1768 "negResult\n");
1769 }
1770
1771 ntlmssp_end(&client_ntlmssp_state);
1772 goto out;
1773 }
1774
1775 if (strcmp(spnego.negTokenTarg.supportedMech,
1776 OID_NTLMSSP) == 0) {
1777 manage_client_ntlmssp_targ(spnego);
1778 goto out;
1779 }
1780
1781 #if HAVE_KRB5
1782 if (strcmp(spnego.negTokenTarg.supportedMech,
1783 OID_KERBEROS5_OLD) == 0) {
1784 manage_client_krb5_targ(spnego);
1785 goto out;
1786 }
1787 #endif
1788
1789 }
1790
1791 DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf));
1792 x_fprintf(x_stdout, "BH Got an SPNEGO token I could not handle\n");
1793 return;
1794
1795 out:
1796 spnego_free_data(&spnego);
1797 return;
1798 }
1799
1800 static void manage_ntlm_server_1_request(struct ntlm_auth_state *state,
1801 char *buf, int length)
1802 {
1803 char *request, *parameter;
1804 static DATA_BLOB challenge;
1805 static DATA_BLOB lm_response;
1806 static DATA_BLOB nt_response;
1807 static char *full_username;
1808 static char *username;
1809 static char *domain;
1810 static char *plaintext_password;
1811 static bool ntlm_server_1_user_session_key;
1812 static bool ntlm_server_1_lm_session_key;
1813
1814 if (strequal(buf, ".")) {
1815 if (!full_username && !username) {
1816 x_fprintf(x_stdout, "Error: No username supplied!\n");
1817 } else if (plaintext_password) {
1818 /* handle this request as plaintext */
1819 if (!full_username) {
1820 if (asprintf(&full_username, "%s%c%s", domain, winbind_separator(), username) == -1) {
1821 x_fprintf(x_stdout, "Error: Out of memory in asprintf!\n.\n");
1822 return;
1823 }
1824 }
1825 if (check_plaintext_auth(full_username, plaintext_password, False)) {
1826 x_fprintf(x_stdout, "Authenticated: Yes\n");
1827 } else {
1828 x_fprintf(x_stdout, "Authenticated: No\n");
1829 }
1830 } else if (!lm_response.data && !nt_response.data) {
1831 x_fprintf(x_stdout, "Error: No password supplied!\n");
1832 } else if (!challenge.data) {
1833 x_fprintf(x_stdout, "Error: No lanman-challenge supplied!\n");
1834 } else {
1835 char *error_string = NULL;
1836 uchar lm_key[8];
1837 uchar user_session_key[16];
1838 uint32 flags = 0;
1839
1840 if (full_username && !username) {
1841 fstring fstr_user;
1842 fstring fstr_domain;
1843
1844 if (!parse_ntlm_auth_domain_user(full_username, fstr_user, fstr_domain)) {
1845 /* username might be 'tainted', don't print into our new-line deleimianted stream */
1846 x_fprintf(x_stdout, "Error: Could not parse into domain and username\n");
1847 }
1848 SAFE_FREE(username);
1849 SAFE_FREE(domain);
1850 username = smb_xstrdup(fstr_user);
1851 domain = smb_xstrdup(fstr_domain);
1852 }
1853
1854 if (!domain) {
1855 domain = smb_xstrdup(get_winbind_domain());
1856 }
1857
1858 if (ntlm_server_1_lm_session_key)
1859 flags |= WBFLAG_PAM_LMKEY;
1860
1861 if (ntlm_server_1_user_session_key)
1862 flags |= WBFLAG_PAM_USER_SESSION_KEY;
1863
1864 if (!NT_STATUS_IS_OK(
1865 contact_winbind_auth_crap(username,
1866 domain,
1867 global_myname(),
1868 &challenge,
1869 &lm_response,
1870 &nt_response,
1871 flags,
1872 lm_key,
1873 user_session_key,
1874 &error_string,
1875 NULL))) {
1876
1877 x_fprintf(x_stdout, "Authenticated: No\n");
1878 x_fprintf(x_stdout, "Authentication-Error: %s\n.\n", error_string);
1879 } else {
1880 static char zeros[16];
1881 char *hex_lm_key;
1882 char *hex_user_session_key;
1883
1884 x_fprintf(x_stdout, "Authenticated: Yes\n");
1885
1886 if (ntlm_server_1_lm_session_key
1887 && (memcmp(zeros, lm_key,
1888 sizeof(lm_key)) != 0)) {
1889 hex_lm_key = hex_encode_talloc(NULL,
1890 (const unsigned char *)lm_key,
1891 sizeof(lm_key));
1892 x_fprintf(x_stdout, "LANMAN-Session-Key: %s\n", hex_lm_key);
1893 TALLOC_FREE(hex_lm_key);
1894 }
1895
1896 if (ntlm_server_1_user_session_key
1897 && (memcmp(zeros, user_session_key,
1898 sizeof(user_session_key)) != 0)) {
1899 hex_user_session_key = hex_encode_talloc(NULL,
1900 (const unsigned char *)user_session_key,
1901 sizeof(user_session_key));
1902 x_fprintf(x_stdout, "User-Session-Key: %s\n", hex_user_session_key);
1903 TALLOC_FREE(hex_user_session_key);
1904 }
1905 }
1906 SAFE_FREE(error_string);
1907 }
1908 /* clear out the state */
1909 challenge = data_blob_null;
1910 nt_response = data_blob_null;
1911 lm_response = data_blob_null;
1912 SAFE_FREE(full_username);
1913 SAFE_FREE(username);
1914 SAFE_FREE(domain);
1915 SAFE_FREE(plaintext_password);
1916 ntlm_server_1_user_session_key = False;
1917 ntlm_server_1_lm_session_key = False;
1918 x_fprintf(x_stdout, ".\n");
1919
1920 return;
1921 }
1922
1923 request = buf;
1924
1925 /* Indicates a base64 encoded structure */
1926 parameter = strstr_m(request, ":: ");
1927 if (!parameter) {
1928 parameter = strstr_m(request, ": ");
1929
1930 if (!parameter) {
1931 DEBUG(0, ("Parameter not found!\n"));
1932 x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
1933 return;
1934 }
1935
1936 parameter[0] ='\0';
1937 parameter++;
1938 parameter[0] ='\0';
1939 parameter++;
1940
1941 } else {
1942 parameter[0] ='\0';
1943 parameter++;
1944 parameter[0] ='\0';
1945 parameter++;
1946 parameter[0] ='\0';
1947 parameter++;
1948
1949 base64_decode_inplace(parameter);
1950 }
1951
1952 if (strequal(request, "LANMAN-Challenge")) {
1953 challenge = strhex_to_data_blob(NULL, parameter);
1954 if (challenge.length != 8) {
1955 x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
1956 parameter,
1957 (int)challenge.length);
1958 challenge = data_blob_null;
1959 }
1960 } else if (strequal(request, "NT-Response")) {
1961 nt_response = strhex_to_data_blob(NULL, parameter);
1962 if (nt_response.length < 24) {
1963 x_fprintf(x_stdout, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
1964 parameter,
1965 (int)nt_response.length);
1966 nt_response = data_blob_null;
1967 }
1968 } else if (strequal(request, "LANMAN-Response")) {
1969 lm_response = strhex_to_data_blob(NULL, parameter);
1970 if (lm_response.length != 24) {
1971 x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
1972 parameter,
1973 (int)lm_response.length);
1974 lm_response = data_blob_null;
1975 }
1976 } else if (strequal(request, "Password")) {
1977 plaintext_password = smb_xstrdup(parameter);
1978 } else if (strequal(request, "NT-Domain")) {
1979 domain = smb_xstrdup(parameter);
1980 } else if (strequal(request, "Username")) {
1981 username = smb_xstrdup(parameter);
1982 } else if (strequal(request, "Full-Username")) {
1983 full_username = smb_xstrdup(parameter);
1984 } else if (strequal(request, "Request-User-Session-Key")) {
1985 ntlm_server_1_user_session_key = strequal(parameter, "Yes");
1986 } else if (strequal(request, "Request-LanMan-Session-Key")) {
1987 ntlm_server_1_lm_session_key = strequal(parameter, "Yes");
1988 } else {
1989 x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
1990 }
1991 }
1992
1993 static void manage_ntlm_change_password_1_request(struct ntlm_auth_state *state,
1994 char *buf, int length)
1995 {
1996 char *request, *parameter;
1997 static DATA_BLOB new_nt_pswd;
1998 static DATA_BLOB old_nt_hash_enc;
1999 static DATA_BLOB new_lm_pswd;
2000 static DATA_BLOB old_lm_hash_enc;
2001 static char *full_username = NULL;
2002 static char *username = NULL;
2003 static char *domain = NULL;
2004 static char *newpswd = NULL;
2005 static char *oldpswd = NULL;
2006
2007 if (strequal(buf, ".")) {
2008 if(newpswd && oldpswd) {
2009 uchar old_nt_hash[16];
2010 uchar old_lm_hash[16];
2011 uchar new_nt_hash[16];
2012 uchar new_lm_hash[16];
2013
2014 new_nt_pswd = data_blob(NULL, 516);
2015 old_nt_hash_enc = data_blob(NULL, 16);
2016
2017 /* Calculate the MD4 hash (NT compatible) of the
2018 * password */
2019 E_md4hash(oldpswd, old_nt_hash);
2020 E_md4hash(newpswd, new_nt_hash);
2021
2022 /* E_deshash returns false for 'long'
2023 passwords (> 14 DOS chars).
2024
2025 Therefore, don't send a buffer
2026 encrypted with the truncated hash
2027 (it could allow an even easier
2028 attack on the password)
2029
2030 Likewise, obey the admin's restriction
2031 */
2032
2033 if (lp_client_lanman_auth() &&
2034 E_deshash(newpswd, new_lm_hash) &&
2035 E_deshash(oldpswd, old_lm_hash)) {
2036 new_lm_pswd = data_blob(NULL, 516);
2037 old_lm_hash_enc = data_blob(NULL, 16);
2038 encode_pw_buffer(new_lm_pswd.data, newpswd,
2039 STR_UNICODE);
2040
2041 arcfour_crypt(new_lm_pswd.data, old_nt_hash, 516);
2042 E_old_pw_hash(new_nt_hash, old_lm_hash,
2043 old_lm_hash_enc.data);
2044 } else {
2045 new_lm_pswd.data = NULL;
2046 new_lm_pswd.length = 0;
2047 old_lm_hash_enc.data = NULL;
2048 old_lm_hash_enc.length = 0;
2049 }
2050
2051 encode_pw_buffer(new_nt_pswd.data, newpswd,
2052 STR_UNICODE);
2053
2054 arcfour_crypt(new_nt_pswd.data, old_nt_hash, 516);
2055 E_old_pw_hash(new_nt_hash, old_nt_hash,
2056 old_nt_hash_enc.data);
2057 }
2058
2059 if (!full_username && !username) {
2060 x_fprintf(x_stdout, "Error: No username supplied!\n");
2061 } else if ((!new_nt_pswd.data || !old_nt_hash_enc.data) &&
2062 (!new_lm_pswd.data || old_lm_hash_enc.data) ) {
2063 x_fprintf(x_stdout, "Error: No NT or LM password "
2064 "blobs supplied!\n");
2065 } else {
2066 char *error_string = NULL;
2067
2068 if (full_username && !username) {
2069 fstring fstr_user;
2070 fstring fstr_domain;
2071
2072 if (!parse_ntlm_auth_domain_user(full_username,
2073 fstr_user,
2074 fstr_domain)) {
2075 /* username might be 'tainted', don't
2076 * print into our new-line
2077 * deleimianted stream */
2078 x_fprintf(x_stdout, "Error: Could not "
2079 "parse into domain and "
2080 "username\n");
2081 SAFE_FREE(username);
2082 username = smb_xstrdup(full_username);
2083 } else {
2084 SAFE_FREE(username);
2085 SAFE_FREE(domain);
2086 username = smb_xstrdup(fstr_user);
2087 domain = smb_xstrdup(fstr_domain);
2088 }
2089
2090 }
2091
2092 if(!NT_STATUS_IS_OK(contact_winbind_change_pswd_auth_crap(
2093 username, domain,
2094 new_nt_pswd,
2095 old_nt_hash_enc,
2096 new_lm_pswd,
2097 old_lm_hash_enc,
2098 &error_string))) {
2099 x_fprintf(x_stdout, "Password-Change: No\n");
2100 x_fprintf(x_stdout, "Password-Change-Error: "
2101 "%s\n.\n", error_string);
2102 } else {
2103 x_fprintf(x_stdout, "Password-Change: Yes\n");
2104 }
2105
2106 SAFE_FREE(error_string);
2107 }
2108 /* clear out the state */
2109 new_nt_pswd = data_blob_null;
2110 old_nt_hash_enc = data_blob_null;
2111 new_lm_pswd = data_blob_null;
2112 old_nt_hash_enc = data_blob_null;
2113 SAFE_FREE(full_username);
2114 SAFE_FREE(username);
2115 SAFE_FREE(domain);
2116 SAFE_FREE(newpswd);
2117 SAFE_FREE(oldpswd);
2118 x_fprintf(x_stdout, ".\n");
2119
2120 return;
2121 }
2122
2123 request = buf;
2124
2125 /* Indicates a base64 encoded structure */
2126 parameter = strstr_m(request, ":: ");
2127 if (!parameter) {
2128 parameter = strstr_m(request, ": ");
2129
2130 if (!parameter) {
2131 DEBUG(0, ("Parameter not found!\n"));
2132 x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
2133 return;
2134 }
2135
2136 parameter[0] ='\0';
2137 parameter++;
2138 parameter[0] ='\0';
2139 parameter++;
2140 } else {
2141 parameter[0] ='\0';
2142 parameter++;
2143 parameter[0] ='\0';
2144 parameter++;
2145 parameter[0] ='\0';
2146 parameter++;
2147
2148 base64_decode_inplace(parameter);
2149 }
2150
2151 if (strequal(request, "new-nt-password-blob")) {
2152 new_nt_pswd = strhex_to_data_blob(NULL, parameter);
2153 if (new_nt_pswd.length != 516) {
2154 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2155 "(got %d bytes, expected 516)\n.\n",
2156 parameter,
2157 (int)new_nt_pswd.length);
2158 new_nt_pswd = data_blob_null;
2159 }
2160 } else if (strequal(request, "old-nt-hash-blob")) {
2161 old_nt_hash_enc = strhex_to_data_blob(NULL, parameter);
2162 if (old_nt_hash_enc.length != 16) {
2163 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2164 "(got %d bytes, expected 16)\n.\n",
2165 parameter,
2166 (int)old_nt_hash_enc.length);
2167 old_nt_hash_enc = data_blob_null;
2168 }
2169 } else if (strequal(request, "new-lm-password-blob")) {
2170 new_lm_pswd = strhex_to_data_blob(NULL, parameter);
2171 if (new_lm_pswd.length != 516) {
2172 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2173 "(got %d bytes, expected 516)\n.\n",
2174 parameter,
2175 (int)new_lm_pswd.length);
2176 new_lm_pswd = data_blob_null;
2177 }
2178 }
2179 else if (strequal(request, "old-lm-hash-blob")) {
2180 old_lm_hash_enc = strhex_to_data_blob(NULL, parameter);
2181 if (old_lm_hash_enc.length != 16)
2182 {
2183 x_fprintf(x_stdout, "Error: hex decode of %s failed! "
2184 "(got %d bytes, expected 16)\n.\n",
2185 parameter,
2186 (int)old_lm_hash_enc.length);
2187 old_lm_hash_enc = data_blob_null;
2188 }
2189 } else if (strequal(request, "nt-domain")) {
2190 domain = smb_xstrdup(parameter);
2191 } else if(strequal(request, "username")) {
2192 username = smb_xstrdup(parameter);
2193 } else if(strequal(request, "full-username")) {
2194 username = smb_xstrdup(parameter);
2195 } else if(strequal(request, "new-password")) {
2196 newpswd = smb_xstrdup(parameter);
2197 } else if (strequal(request, "old-password")) {
2198 oldpswd = smb_xstrdup(parameter);
2199 } else {
2200 x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
2201 }
2202 }
2203
2204 static void manage_squid_request(struct ntlm_auth_state *state,
2205 stdio_helper_function fn)
2206 {
2207 char *buf;
2208 char tmp[INITIAL_BUFFER_SIZE+1];
2209 int length, buf_size = 0;
2210 char *c;
2211
2212 buf = talloc_strdup(state->mem_ctx, "");
2213 if (!buf) {
2214 DEBUG(0, ("Failed to allocate input buffer.\n"));
2215 x_fprintf(x_stderr, "ERR\n");
2216 exit(1);
2217 }
2218
2219 do {
2220
2221 /* this is not a typo - x_fgets doesn't work too well under
2222 * squid */
2223 if (fgets(tmp, sizeof(tmp)-1, stdin) == NULL) {
2224 if (ferror(stdin)) {
2225 DEBUG(1, ("fgets() failed! dying..... errno=%d "
2226 "(%s)\n", ferror(stdin),
2227 strerror(ferror(stdin))));
2228
2229 exit(1);
2230 }
2231 exit(0);
2232 }
2233
2234 buf = talloc_strdup_append_buffer(buf, tmp);
2235 buf_size += INITIAL_BUFFER_SIZE;
2236
2237 if (buf_size > MAX_BUFFER_SIZE) {
2238 DEBUG(2, ("Oversized message\n"));
2239 x_fprintf(x_stderr, "ERR\n");
2240 talloc_free(buf);
2241 return;
2242 }
2243
2244 c = strchr(buf, '\n');
2245 } while (c == NULL);
2246
2247 *c = '\0';
2248 length = c-buf;
2249
2250 DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf,length));
2251
2252 if (buf[0] == '\0') {
2253 DEBUG(2, ("Invalid Request\n"));
2254 x_fprintf(x_stderr, "ERR\n");
2255 talloc_free(buf);
2256 return;
2257 }
2258
2259 fn(state, buf, length);
2260 talloc_free(buf);
2261 }
2262
2263
2264 static void squid_stream(enum stdio_helper_mode stdio_mode, stdio_helper_function fn) {
2265 TALLOC_CTX *mem_ctx;
2266 struct ntlm_auth_state *state;
2267
2268 /* initialize FDescs */
2269 x_setbuf(x_stdout, NULL);
2270 x_setbuf(x_stderr, NULL);
2271
2272 mem_ctx = talloc_init("ntlm_auth");
2273 if (!mem_ctx) {
2274 DEBUG(0, ("squid_stream: Failed to create talloc context\n"));
2275 x_fprintf(x_stderr, "ERR\n");
2276 exit(1);
2277 }
2278
2279 state = talloc_zero(mem_ctx, struct ntlm_auth_state);
2280 if (!state) {
2281 DEBUG(0, ("squid_stream: Failed to talloc ntlm_auth_state\n"));
2282 x_fprintf(x_stderr, "ERR\n");
2283 exit(1);
2284 }
2285
2286 state->mem_ctx = mem_ctx;
2287 state->helper_mode = stdio_mode;
2288
2289 while(1) {
2290 manage_squid_request(state, fn);
2291 }
2292 }
2293
2294
2295 /* Authenticate a user with a challenge/response */
2296
2297 static bool check_auth_crap(void)
2298 {
2299 NTSTATUS nt_status;
2300 uint32 flags = 0;
2301 char lm_key[8];
2302 char user_session_key[16];
2303 char *hex_lm_key;
2304 char *hex_user_session_key;
2305 char *error_string;
2306 static uint8 zeros[16];
2307
2308 x_setbuf(x_stdout, NULL);
2309
2310 if (request_lm_key)
2311 flags |= WBFLAG_PAM_LMKEY;
2312
2313 if (request_user_session_key)
2314 flags |= WBFLAG_PAM_USER_SESSION_KEY;
2315
2316 flags |= WBFLAG_PAM_NT_STATUS_SQUASH;
2317
2318 nt_status = contact_winbind_auth_crap(opt_username, opt_domain,
2319 opt_workstation,
2320 &opt_challenge,
2321 &opt_lm_response,
2322 &opt_nt_response,
2323 flags,
2324 (unsigned char *)lm_key,
2325 (unsigned char *)user_session_key,
2326 &error_string, NULL);
2327
2328 if (!NT_STATUS_IS_OK(nt_status)) {
2329 x_fprintf(x_stdout, "%s (0x%x)\n",
2330 error_string,
2331 NT_STATUS_V(nt_status));
2332 SAFE_FREE(error_string);
2333 return False;
2334 }
2335
2336 if (request_lm_key
2337 && (memcmp(zeros, lm_key,
2338 sizeof(lm_key)) != 0)) {
2339 hex_lm_key = hex_encode_talloc(talloc_tos(), (const unsigned char *)lm_key,
2340 sizeof(lm_key));
2341 x_fprintf(x_stdout, "LM_KEY: %s\n", hex_lm_key);
2342 TALLOC_FREE(hex_lm_key);
2343 }
2344 if (request_user_session_key
2345 && (memcmp(zeros, user_session_key,
2346 sizeof(user_session_key)) != 0)) {
2347 hex_user_session_key = hex_encode_talloc(talloc_tos(), (const unsigned char *)user_session_key,
2348 sizeof(user_session_key));
2349 x_fprintf(x_stdout, "NT_KEY: %s\n", hex_user_session_key);
2350 TALLOC_FREE(hex_user_session_key);
2351 }
2352
2353 return True;
2354 }
2355
2356 /* Main program */
2357
2358 enum {
2359 OPT_USERNAME = 1000,
2360 OPT_DOMAIN,
2361 OPT_WORKSTATION,
2362 OPT_CHALLENGE,
2363 OPT_RESPONSE,
2364 OPT_LM,
2365 OPT_NT,
2366 OPT_PASSWORD,
2367 OPT_LM_KEY,
2368 OPT_USER_SESSION_KEY,
2369 OPT_DIAGNOSTICS,
2370 OPT_REQUIRE_MEMBERSHIP,
2371 OPT_USE_CACHED_CREDS,
2372 OPT_PAM_WINBIND_CONF
2373 };
2374
2375 int main(int argc, const char **argv)
2376 {
2377 TALLOC_CTX *frame = talloc_stackframe();
2378 int opt;
2379 static const char *helper_protocol;
2380 static int diagnostics;
2381
2382 static const char *hex_challenge;
2383 static const char *hex_lm_response;
2384 static const char *hex_nt_response;
2385
2386 poptContext pc;
2387
2388 /* NOTE: DO NOT change this interface without considering the implications!
2389 This is an external interface, which other programs will use to interact
2390 with this helper.
2391 */
2392
2393 /* We do not use single-letter command abbreviations, because they harm future
2394 interface stability. */
2395
2396 struct poptOption long_options[] = {
2397 POPT_AUTOHELP
2398 { "helper-protocol", 0, POPT_ARG_STRING, &helper_protocol, OPT_DOMAIN, "operate as a stdio-based helper", "helper protocol to use"},
2399 { "username", 0, POPT_ARG_STRING, &opt_username, OPT_USERNAME, "username"},
2400 { "domain", 0, POPT_ARG_STRING, &opt_domain, OPT_DOMAIN, "domain name"},
2401 { "workstation", 0, POPT_ARG_STRING, &opt_workstation, OPT_WORKSTATION, "workstation"},
2402 { "challenge", 0, POPT_ARG_STRING, &hex_challenge, OPT_CHALLENGE, "challenge (HEX encoded)"},
2403 { "lm-response", 0, POPT_ARG_STRING, &hex_lm_response, OPT_LM, "LM Response to the challenge (HEX encoded)"},
2404 { "nt-response", 0, POPT_ARG_STRING, &hex_nt_response, OPT_NT, "NT or NTLMv2 Response to the challenge (HEX encoded)"},
2405 { "password", 0, POPT_ARG_STRING, &opt_password, OPT_PASSWORD, "User's plaintext password"},
2406 { "request-lm-key", 0, POPT_ARG_NONE, &request_lm_key, OPT_LM_KEY, "Retrieve LM session key"},
2407 { "request-nt-key", 0, POPT_ARG_NONE, &request_user_session_key, OPT_USER_SESSION_KEY, "Retrieve User (NT) session key"},
2408 { "use-cached-creds", 0, POPT_ARG_NONE, &use_cached_creds, OPT_USE_CACHED_CREDS, "Use cached credentials if no password is given"},
2409 { "diagnostics", 0, POPT_ARG_NONE, &diagnostics, OPT_DIAGNOSTICS, "Perform diagnostics on the authentictaion chain"},
2410 { "require-membership-of", 0, POPT_ARG_STRING, &require_membership_of, OPT_REQUIRE_MEMBERSHIP, "Require that a user be a member of this group (either name or SID) for authentication to succeed" },
2411 { "pam-winbind-conf", 0, POPT_ARG_STRING, &opt_pam_winbind_conf, OPT_PAM_WINBIND_CONF, "Require that request must set WBFLAG_PAM_CONTACT_TRUSTDOM when krb5 auth is required" },
2412 POPT_COMMON_CONFIGFILE
2413 POPT_COMMON_VERSION
2414 POPT_TABLEEND
2415 };
2416
2417 /* Samba client initialisation */
2418 load_case_tables();
2419
2420 dbf = x_stderr;
2421
2422 /* Parse options */
2423
2424 pc = poptGetContext("ntlm_auth", argc, argv, long_options, 0);
2425
2426 /* Parse command line options */
2427
2428 if (argc == 1) {
2429 poptPrintHelp(pc, stderr, 0);
2430 return 1;
2431 }
2432
2433 while((opt = poptGetNextOpt(pc)) != -1) {
2434 /* Get generic config options like --configfile */
2435 }
2436
2437 poptFreeContext(pc);
2438
2439 if (!lp_load(get_dyn_CONFIGFILE(), True, False, False, True)) {
2440 d_fprintf(stderr, "ntlm_auth: error opening config file %s. Error was %s\n",
2441 get_dyn_CONFIGFILE(), strerror(errno));
2442 exit(1);
2443 }
2444
2445 pc = poptGetContext(NULL, argc, (const char **)argv, long_options,
2446 POPT_CONTEXT_KEEP_FIRST);
2447
2448 while((opt = poptGetNextOpt(pc)) != -1) {
2449 switch (opt) {
2450 case OPT_CHALLENGE:
2451 opt_challenge = strhex_to_data_blob(NULL, hex_challenge);
2452 if (opt_challenge.length != 8) {
2453 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
2454 hex_challenge,
2455 (int)opt_challenge.length);
2456 exit(1);
2457 }
2458 break;
2459 case OPT_LM:
2460 opt_lm_response = strhex_to_data_blob(NULL, hex_lm_response);
2461 if (opt_lm_response.length != 24) {
2462 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
2463 hex_lm_response,
2464 (int)opt_lm_response.length);
2465 exit(1);
2466 }
2467 break;
2468
2469 case OPT_NT:
2470 opt_nt_response = strhex_to_data_blob(NULL, hex_nt_response);
2471 if (opt_nt_response.length < 24) {
2472 x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
2473 hex_nt_response,
2474 (int)opt_nt_response.length);
2475 exit(1);
2476 }
2477 break;
2478
2479 case OPT_REQUIRE_MEMBERSHIP:
2480 if (StrnCaseCmp("S-", require_membership_of, 2) == 0) {
2481 require_membership_of_sid = require_membership_of;
2482 }
2483 break;
2484 }
2485 }
2486
2487 if (opt_username) {
2488 char *domain = SMB_STRDUP(opt_username);
2489 char *p = strchr_m(domain, *lp_winbind_separator());
2490 if (p) {
2491 opt_username = p+1;
2492 *p = '\0';
2493 if (opt_domain && !strequal(opt_domain, domain)) {
2494 x_fprintf(x_stderr, "Domain specified in username (%s) "
2495 "doesn't match specified domain (%s)!\n\n",
2496 domain, opt_domain);
2497 poptPrintHelp(pc, stderr, 0);
2498 exit(1);
2499 }
2500 opt_domain = domain;
2501 } else {
2502 SAFE_FREE(domain);
2503 }
2504 }
2505
2506 /* Note: if opt_domain is "" then send no domain */
2507 if (opt_domain == NULL) {
2508 opt_domain = get_winbind_domain();
2509 }
2510
2511 if (opt_workstation == NULL) {
2512 opt_workstation = "";
2513 }
2514
2515 if (helper_protocol) {
2516 int i;
2517 for (i=0; i<NUM_HELPER_MODES; i++) {
2518 if (strcmp(helper_protocol, stdio_helper_protocols[i].name) == 0) {
2519 squid_stream(stdio_helper_protocols[i].mode, stdio_helper_protocols[i].fn);
2520 exit(0);
2521 }
2522 }
2523 x_fprintf(x_stderr, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol);
2524
2525 for (i=0; i<NUM_HELPER_MODES; i++) {
2526 x_fprintf(x_stderr, "%s\n", stdio_helper_protocols[i].name);
2527 }
2528
2529 exit(1);
2530 }
2531
2532 if (!opt_username || !*opt_username) {
2533 x_fprintf(x_stderr, "username must be specified!\n\n");
2534 poptPrintHelp(pc, stderr, 0);
2535 exit(1);
2536 }
2537
2538 if (opt_challenge.length) {
2539 if (!check_auth_crap()) {
2540 exit(1);
2541 }
2542 exit(0);
2543 }
2544
2545 if (!opt_password) {
2546 opt_password = getpass("password: ");
2547 }
2548
2549 if (diagnostics) {
2550 if (!diagnose_ntlm_auth()) {
2551 return 1;
2552 }
2553 } else {
2554 fstring user;
2555
2556 fstr_sprintf(user, "%s%c%s", opt_domain, winbind_separator(), opt_username);
2557 if (!check_plaintext_auth(user, opt_password, True)) {
2558 return 1;
2559 }
2560 }
2561
2562 /* Exit code */
2563
2564 poptFreeContext(pc);
2565 TALLOC_FREE(frame);
2566 return 0;
2567 }
reg import