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libwbclient: Add wbcPingDc2
[Samba/gebeck_regimport.git] / nsswitch / libwbclient / wbc_pam.c
blobf7fb9f23f679461fb5d3b4b1d6564f373d60a8ed
1 /*
2 Unix SMB/CIFS implementation.
3
4 Winbind client API
5
6 Copyright (C) Gerald (Jerry) Carter 2007
7 Copyright (C) Guenther Deschner 2008
8 Copyright (C) Volker Lendecke 2009
9
10 This library is free software; you can redistribute it and/or
11 modify it under the terms of the GNU Lesser General Public
12 License as published by the Free Software Foundation; either
13 version 3 of the License, or (at your option) any later version.
14
15 This library 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 GNU
18 Library General Public License for more details.
19
20 You should have received a copy of the GNU Lesser General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 */
23
24 /* Required Headers */
25
26 #define UID_WRAPPER_NOT_REPLACE
27 #include "replace.h"
28 #include "libwbclient.h"
29 #include "../winbind_client.h"
30
31 /* Authenticate a username/password pair */
32 wbcErr wbcAuthenticateUser(const char *username,
33 const char *password)
34 {
35 wbcErr wbc_status = WBC_ERR_SUCCESS;
36 struct wbcAuthUserParams params;
37
38 ZERO_STRUCT(params);
39
40 params.account_name = username;
41 params.level = WBC_AUTH_USER_LEVEL_PLAIN;
42 params.password.plaintext = password;
43
44 wbc_status = wbcAuthenticateUserEx(&params, NULL, NULL);
45 BAIL_ON_WBC_ERROR(wbc_status);
46
47 done:
48 return wbc_status;
49 }
50
51 static bool sid_attr_compose(struct wbcSidWithAttr *s,
52 const struct wbcDomainSid *d,
53 uint32_t rid, uint32_t attr)
54 {
55 if (d->num_auths >= WBC_MAXSUBAUTHS) {
56 return false;
57 }
58 s->sid = *d;
59 s->sid.sub_auths[s->sid.num_auths++] = rid;
60 s->attributes = attr;
61 return true;
62 }
63
64 static void wbcAuthUserInfoDestructor(void *ptr)
65 {
66 struct wbcAuthUserInfo *i = (struct wbcAuthUserInfo *)ptr;
67 free(i->account_name);
68 free(i->user_principal);
69 free(i->full_name);
70 free(i->domain_name);
71 free(i->dns_domain_name);
72 free(i->logon_server);
73 free(i->logon_script);
74 free(i->profile_path);
75 free(i->home_directory);
76 free(i->home_drive);
77 free(i->sids);
78 }
79
80 static wbcErr wbc_create_auth_info(const struct winbindd_response *resp,
81 struct wbcAuthUserInfo **_i)
82 {
83 wbcErr wbc_status = WBC_ERR_SUCCESS;
84 struct wbcAuthUserInfo *i;
85 struct wbcDomainSid domain_sid;
86 char *p;
87 uint32_t sn = 0;
88 uint32_t j;
89
90 i = (struct wbcAuthUserInfo *)wbcAllocateMemory(
91 1, sizeof(struct wbcAuthUserInfo),
92 wbcAuthUserInfoDestructor);
93 BAIL_ON_PTR_ERROR(i, wbc_status);
94
95 i->user_flags = resp->data.auth.info3.user_flgs;
96
97 i->account_name = strdup(resp->data.auth.info3.user_name);
98 BAIL_ON_PTR_ERROR(i->account_name, wbc_status);
99 i->user_principal= NULL;
100 i->full_name = strdup(resp->data.auth.info3.full_name);
101 BAIL_ON_PTR_ERROR(i->full_name, wbc_status);
102 i->domain_name = strdup(resp->data.auth.info3.logon_dom);
103 BAIL_ON_PTR_ERROR(i->domain_name, wbc_status);
104 i->dns_domain_name= NULL;
105
106 i->acct_flags = resp->data.auth.info3.acct_flags;
107 memcpy(i->user_session_key,
108 resp->data.auth.user_session_key,
109 sizeof(i->user_session_key));
110 memcpy(i->lm_session_key,
111 resp->data.auth.first_8_lm_hash,
112 sizeof(i->lm_session_key));
113
114 i->logon_count = resp->data.auth.info3.logon_count;
115 i->bad_password_count = resp->data.auth.info3.bad_pw_count;
116
117 i->logon_time = resp->data.auth.info3.logon_time;
118 i->logoff_time = resp->data.auth.info3.logoff_time;
119 i->kickoff_time = resp->data.auth.info3.kickoff_time;
120 i->pass_last_set_time = resp->data.auth.info3.pass_last_set_time;
121 i->pass_can_change_time = resp->data.auth.info3.pass_can_change_time;
122 i->pass_must_change_time= resp->data.auth.info3.pass_must_change_time;
123
124 i->logon_server = strdup(resp->data.auth.info3.logon_srv);
125 BAIL_ON_PTR_ERROR(i->logon_server, wbc_status);
126 i->logon_script = strdup(resp->data.auth.info3.logon_script);
127 BAIL_ON_PTR_ERROR(i->logon_script, wbc_status);
128 i->profile_path = strdup(resp->data.auth.info3.profile_path);
129 BAIL_ON_PTR_ERROR(i->profile_path, wbc_status);
130 i->home_directory= strdup(resp->data.auth.info3.home_dir);
131 BAIL_ON_PTR_ERROR(i->home_directory, wbc_status);
132 i->home_drive = strdup(resp->data.auth.info3.dir_drive);
133 BAIL_ON_PTR_ERROR(i->home_drive, wbc_status);
134
135 i->num_sids = 2;
136 i->num_sids += resp->data.auth.info3.num_groups;
137 i->num_sids += resp->data.auth.info3.num_other_sids;
138
139 i->sids = (struct wbcSidWithAttr *)calloc(
140 sizeof(struct wbcSidWithAttr), i->num_sids);
141 BAIL_ON_PTR_ERROR(i->sids, wbc_status);
142
143 wbc_status = wbcStringToSid(resp->data.auth.info3.dom_sid,
144 &domain_sid);
145 BAIL_ON_WBC_ERROR(wbc_status);
146
147 sn = 0;
148 if (!sid_attr_compose(&i->sids[sn], &domain_sid,
149 resp->data.auth.info3.user_rid, 0)) {
150 wbc_status = WBC_ERR_INVALID_SID;
151 goto done;
152 }
153 sn++;
154 if (!sid_attr_compose(&i->sids[sn], &domain_sid,
155 resp->data.auth.info3.group_rid, 0)) {
156 wbc_status = WBC_ERR_INVALID_SID;
157 goto done;
158 }
159 sn++;
160
161 p = (char *)resp->extra_data.data;
162 if (!p) {
163 wbc_status = WBC_ERR_INVALID_RESPONSE;
164 BAIL_ON_WBC_ERROR(wbc_status);
165 }
166
167 for (j=0; j < resp->data.auth.info3.num_groups; j++) {
168 uint32_t rid;
169 uint32_t attrs;
170 int ret;
171 char *s = p;
172 char *e = strchr(p, '\n');
173 if (!e) {
174 wbc_status = WBC_ERR_INVALID_RESPONSE;
175 BAIL_ON_WBC_ERROR(wbc_status);
176 }
177 e[0] = '\0';
178 p = &e[1];
179
180 ret = sscanf(s, "0x%08X:0x%08X", &rid, &attrs);
181 if (ret != 2) {
182 wbc_status = WBC_ERR_INVALID_RESPONSE;
183 BAIL_ON_WBC_ERROR(wbc_status);
184 }
185
186 if (!sid_attr_compose(&i->sids[sn], &domain_sid,
187 rid, attrs)) {
188 wbc_status = WBC_ERR_INVALID_SID;
189 goto done;
190 }
191 sn++;
192 }
193
194 for (j=0; j < resp->data.auth.info3.num_other_sids; j++) {
195 uint32_t attrs;
196 int ret;
197 char *s = p;
198 char *a;
199 char *e = strchr(p, '\n');
200 if (!e) {
201 wbc_status = WBC_ERR_INVALID_RESPONSE;
202 BAIL_ON_WBC_ERROR(wbc_status);
203 }
204 e[0] = '\0';
205 p = &e[1];
206
207 e = strchr(s, ':');
208 if (!e) {
209 wbc_status = WBC_ERR_INVALID_RESPONSE;
210 BAIL_ON_WBC_ERROR(wbc_status);
211 }
212 e[0] = '\0';
213 a = &e[1];
214
215 ret = sscanf(a, "0x%08X",
216 &attrs);
217 if (ret != 1) {
218 wbc_status = WBC_ERR_INVALID_RESPONSE;
219 BAIL_ON_WBC_ERROR(wbc_status);
220 }
221
222 wbc_status = wbcStringToSid(s, &i->sids[sn].sid);
223 BAIL_ON_WBC_ERROR(wbc_status);
224
225 i->sids[sn].attributes = attrs;
226 sn++;
227 }
228
229 i->num_sids = sn;
230
231 *_i = i;
232 i = NULL;
233 done:
234 wbcFreeMemory(i);
235 return wbc_status;
236 }
237
238 static void wbcAuthErrorInfoDestructor(void *ptr)
239 {
240 struct wbcAuthErrorInfo *e = (struct wbcAuthErrorInfo *)ptr;
241 free(e->nt_string);
242 free(e->display_string);
243 }
244
245 static wbcErr wbc_create_error_info(const struct winbindd_response *resp,
246 struct wbcAuthErrorInfo **_e)
247 {
248 wbcErr wbc_status = WBC_ERR_SUCCESS;
249 struct wbcAuthErrorInfo *e;
250
251 e = (struct wbcAuthErrorInfo *)wbcAllocateMemory(
252 1, sizeof(struct wbcAuthErrorInfo),
253 wbcAuthErrorInfoDestructor);
254 BAIL_ON_PTR_ERROR(e, wbc_status);
255
256 e->nt_status = resp->data.auth.nt_status;
257 e->pam_error = resp->data.auth.pam_error;
258 e->nt_string = strdup(resp->data.auth.nt_status_string);
259 BAIL_ON_PTR_ERROR(e->nt_string, wbc_status);
260
261 e->display_string = strdup(resp->data.auth.error_string);
262 BAIL_ON_PTR_ERROR(e->display_string, wbc_status);
263
264 *_e = e;
265 e = NULL;
266
267 done:
268 wbcFreeMemory(e);
269 return wbc_status;
270 }
271
272 static wbcErr wbc_create_password_policy_info(const struct winbindd_response *resp,
273 struct wbcUserPasswordPolicyInfo **_i)
274 {
275 wbcErr wbc_status = WBC_ERR_SUCCESS;
276 struct wbcUserPasswordPolicyInfo *i;
277
278 i = (struct wbcUserPasswordPolicyInfo *)wbcAllocateMemory(
279 1, sizeof(struct wbcUserPasswordPolicyInfo), NULL);
280 BAIL_ON_PTR_ERROR(i, wbc_status);
281
282 i->min_passwordage = resp->data.auth.policy.min_passwordage;
283 i->min_length_password = resp->data.auth.policy.min_length_password;
284 i->password_history = resp->data.auth.policy.password_history;
285 i->password_properties = resp->data.auth.policy.password_properties;
286 i->expire = resp->data.auth.policy.expire;
287
288 *_i = i;
289 i = NULL;
290
291 done:
292 wbcFreeMemory(i);
293 return wbc_status;
294 }
295
296 static void wbcLogonUserInfoDestructor(void *ptr)
297 {
298 struct wbcLogonUserInfo *i = (struct wbcLogonUserInfo *)ptr;
299 wbcFreeMemory(i->info);
300 wbcFreeMemory(i->blobs);
301 }
302
303 static wbcErr wbc_create_logon_info(struct winbindd_response *resp,
304 struct wbcLogonUserInfo **_i)
305 {
306 wbcErr wbc_status = WBC_ERR_SUCCESS;
307 struct wbcLogonUserInfo *i;
308
309 i = (struct wbcLogonUserInfo *)wbcAllocateMemory(
310 1, sizeof(struct wbcLogonUserInfo),
311 wbcLogonUserInfoDestructor);
312 BAIL_ON_PTR_ERROR(i, wbc_status);
313
314 wbc_status = wbc_create_auth_info(resp, &i->info);
315 BAIL_ON_WBC_ERROR(wbc_status);
316
317 if (resp->data.auth.krb5ccname[0] != '\0') {
318 wbc_status = wbcAddNamedBlob(&i->num_blobs,
319 &i->blobs,
320 "krb5ccname",
321 0,
322 (uint8_t *)resp->data.auth.krb5ccname,
323 strlen(resp->data.auth.krb5ccname)+1);
324 BAIL_ON_WBC_ERROR(wbc_status);
325 }
326
327 if (resp->data.auth.unix_username[0] != '\0') {
328 wbc_status = wbcAddNamedBlob(&i->num_blobs,
329 &i->blobs,
330 "unix_username",
331 0,
332 (uint8_t *)resp->data.auth.unix_username,
333 strlen(resp->data.auth.unix_username)+1);
334 BAIL_ON_WBC_ERROR(wbc_status);
335 }
336
337 *_i = i;
338 i = NULL;
339 done:
340 wbcFreeMemory(i);
341 return wbc_status;
342 }
343
344
345 /* Authenticate with more detailed information */
346 wbcErr wbcAuthenticateUserEx(const struct wbcAuthUserParams *params,
347 struct wbcAuthUserInfo **info,
348 struct wbcAuthErrorInfo **error)
349 {
350 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
351 int cmd = 0;
352 struct winbindd_request request;
353 struct winbindd_response response;
354
355 ZERO_STRUCT(request);
356 ZERO_STRUCT(response);
357
358 if (error) {
359 *error = NULL;
360 }
361
362 if (!params) {
363 wbc_status = WBC_ERR_INVALID_PARAM;
364 BAIL_ON_WBC_ERROR(wbc_status);
365 }
366
367 if (!params->account_name) {
368 wbc_status = WBC_ERR_INVALID_PARAM;
369 BAIL_ON_WBC_ERROR(wbc_status);
370 }
371
372 /* Initialize request */
373
374 switch (params->level) {
375 case WBC_AUTH_USER_LEVEL_PLAIN:
376 cmd = WINBINDD_PAM_AUTH;
377 request.flags = WBFLAG_PAM_INFO3_TEXT |
378 WBFLAG_PAM_USER_SESSION_KEY |
379 WBFLAG_PAM_LMKEY;
380
381 if (!params->password.plaintext) {
382 wbc_status = WBC_ERR_INVALID_PARAM;
383 BAIL_ON_WBC_ERROR(wbc_status);
384 }
385
386 if (params->domain_name && params->domain_name[0]) {
387 /* We need to get the winbind separator :-( */
388 struct winbindd_response sep_response;
389
390 ZERO_STRUCT(sep_response);
391
392 wbc_status = wbcRequestResponse(WINBINDD_INFO,
393 NULL, &sep_response);
394 BAIL_ON_WBC_ERROR(wbc_status);
395
396 snprintf(request.data.auth.user,
397 sizeof(request.data.auth.user)-1,
398 "%s%c%s",
399 params->domain_name,
400 sep_response.data.info.winbind_separator,
401 params->account_name);
402 } else {
403 strncpy(request.data.auth.user,
404 params->account_name,
405 sizeof(request.data.auth.user)-1);
406 }
407
408 strncpy(request.data.auth.pass,
409 params->password.plaintext,
410 sizeof(request.data.auth.pass)-1);
411 break;
412
413 case WBC_AUTH_USER_LEVEL_HASH:
414 wbc_status = WBC_ERR_NOT_IMPLEMENTED;
415 BAIL_ON_WBC_ERROR(wbc_status);
416 break;
417
418 case WBC_AUTH_USER_LEVEL_RESPONSE:
419 cmd = WINBINDD_PAM_AUTH_CRAP;
420 request.flags = WBFLAG_PAM_INFO3_TEXT |
421 WBFLAG_PAM_USER_SESSION_KEY |
422 WBFLAG_PAM_LMKEY;
423
424 if (params->password.response.lm_length &&
425 !params->password.response.lm_data) {
426 wbc_status = WBC_ERR_INVALID_PARAM;
427 BAIL_ON_WBC_ERROR(wbc_status);
428 }
429 if (params->password.response.lm_length == 0 &&
430 params->password.response.lm_data) {
431 wbc_status = WBC_ERR_INVALID_PARAM;
432 BAIL_ON_WBC_ERROR(wbc_status);
433 }
434
435 if (params->password.response.nt_length &&
436 !params->password.response.nt_data) {
437 wbc_status = WBC_ERR_INVALID_PARAM;
438 BAIL_ON_WBC_ERROR(wbc_status);
439 }
440 if (params->password.response.nt_length == 0&&
441 params->password.response.nt_data) {
442 wbc_status = WBC_ERR_INVALID_PARAM;
443 BAIL_ON_WBC_ERROR(wbc_status);
444 }
445
446 strncpy(request.data.auth_crap.user,
447 params->account_name,
448 sizeof(request.data.auth_crap.user)-1);
449 if (params->domain_name) {
450 strncpy(request.data.auth_crap.domain,
451 params->domain_name,
452 sizeof(request.data.auth_crap.domain)-1);
453 }
454 if (params->workstation_name) {
455 strncpy(request.data.auth_crap.workstation,
456 params->workstation_name,
457 sizeof(request.data.auth_crap.workstation)-1);
458 }
459
460 request.data.auth_crap.logon_parameters =
461 params->parameter_control;
462
463 memcpy(request.data.auth_crap.chal,
464 params->password.response.challenge,
465 sizeof(request.data.auth_crap.chal));
466
467 request.data.auth_crap.lm_resp_len =
468 MIN(params->password.response.lm_length,
469 sizeof(request.data.auth_crap.lm_resp));
470 if (params->password.response.lm_data) {
471 memcpy(request.data.auth_crap.lm_resp,
472 params->password.response.lm_data,
473 request.data.auth_crap.lm_resp_len);
474 }
475 request.data.auth_crap.nt_resp_len = params->password.response.nt_length;
476 if (params->password.response.nt_length > sizeof(request.data.auth_crap.nt_resp)) {
477 request.flags |= WBFLAG_BIG_NTLMV2_BLOB;
478 request.extra_len = params->password.response.nt_length;
479 request.extra_data.data = (char *)malloc(
480 request.extra_len);
481 if (request.extra_data.data == NULL) {
482 wbc_status = WBC_ERR_NO_MEMORY;
483 BAIL_ON_WBC_ERROR(wbc_status);
484 }
485 memcpy(request.extra_data.data,
486 params->password.response.nt_data,
487 request.data.auth_crap.nt_resp_len);
488 } else if (params->password.response.nt_data) {
489 memcpy(request.data.auth_crap.nt_resp,
490 params->password.response.nt_data,
491 request.data.auth_crap.nt_resp_len);
492 }
493 break;
494 default:
495 break;
496 }
497
498 if (cmd == 0) {
499 wbc_status = WBC_ERR_INVALID_PARAM;
500 BAIL_ON_WBC_ERROR(wbc_status);
501 }
502
503 if (params->flags) {
504 request.flags |= params->flags;
505 }
506
507 if (cmd == WINBINDD_PAM_AUTH_CRAP) {
508 wbc_status = wbcRequestResponsePriv(cmd, &request, &response);
509 } else {
510 wbc_status = wbcRequestResponse(cmd, &request, &response);
511 }
512 if (response.data.auth.nt_status != 0) {
513 if (error) {
514 wbc_status = wbc_create_error_info(&response,
515 error);
516 BAIL_ON_WBC_ERROR(wbc_status);
517 }
518
519 wbc_status = WBC_ERR_AUTH_ERROR;
520 BAIL_ON_WBC_ERROR(wbc_status);
521 }
522 BAIL_ON_WBC_ERROR(wbc_status);
523
524 if (info) {
525 wbc_status = wbc_create_auth_info(&response, info);
526 BAIL_ON_WBC_ERROR(wbc_status);
527 }
528
529 done:
530 winbindd_free_response(&response);
531
532 free(request.extra_data.data);
533
534 return wbc_status;
535 }
536
537 /* Trigger a verification of the trust credentials of a specific domain */
538 wbcErr wbcCheckTrustCredentials(const char *domain,
539 struct wbcAuthErrorInfo **error)
540 {
541 struct winbindd_request request;
542 struct winbindd_response response;
543 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
544
545 ZERO_STRUCT(request);
546 ZERO_STRUCT(response);
547
548 if (domain) {
549 strncpy(request.domain_name, domain,
550 sizeof(request.domain_name)-1);
551 }
552
553 /* Send request */
554
555 wbc_status = wbcRequestResponsePriv(WINBINDD_CHECK_MACHACC,
556 &request, &response);
557 if (response.data.auth.nt_status != 0) {
558 if (error) {
559 wbc_status = wbc_create_error_info(&response,
560 error);
561 BAIL_ON_WBC_ERROR(wbc_status);
562 }
563
564 wbc_status = WBC_ERR_AUTH_ERROR;
565 BAIL_ON_WBC_ERROR(wbc_status);
566 }
567 BAIL_ON_WBC_ERROR(wbc_status);
568
569 done:
570 return wbc_status;
571 }
572
573 /* Trigger a change of the trust credentials for a specific domain */
574 wbcErr wbcChangeTrustCredentials(const char *domain,
575 struct wbcAuthErrorInfo **error)
576 {
577 struct winbindd_request request;
578 struct winbindd_response response;
579 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
580
581 ZERO_STRUCT(request);
582 ZERO_STRUCT(response);
583
584 if (domain) {
585 strncpy(request.domain_name, domain,
586 sizeof(request.domain_name)-1);
587 }
588
589 /* Send request */
590
591 wbc_status = wbcRequestResponsePriv(WINBINDD_CHANGE_MACHACC,
592 &request, &response);
593 if (response.data.auth.nt_status != 0) {
594 if (error) {
595 wbc_status = wbc_create_error_info(&response,
596 error);
597 BAIL_ON_WBC_ERROR(wbc_status);
598 }
599
600 wbc_status = WBC_ERR_AUTH_ERROR;
601 BAIL_ON_WBC_ERROR(wbc_status);
602 }
603 BAIL_ON_WBC_ERROR(wbc_status);
604
605 done:
606 return wbc_status;
607 }
608
609 /*
610 * Trigger a no-op NETLOGON call. Lightweight version of
611 * wbcCheckTrustCredentials
612 */
613 wbcErr wbcPingDc(const char *domain, struct wbcAuthErrorInfo **error)
614 {
615 return wbcPingDc2(domain, error, NULL);
616 }
617
618 /*
619 * Trigger a no-op NETLOGON call. Lightweight version of
620 * wbcCheckTrustCredentials, optionally return attempted DC
621 */
622 wbcErr wbcPingDc2(const char *domain, struct wbcAuthErrorInfo **error,
623 char **dcname)
624 {
625 struct winbindd_request request;
626 struct winbindd_response response;
627 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
628
629 if (domain) {
630 /*
631 * the current protocol doesn't support
632 * specifying a domain
633 */
634 wbc_status = WBC_ERR_NOT_IMPLEMENTED;
635 BAIL_ON_WBC_ERROR(wbc_status);
636 }
637
638 ZERO_STRUCT(request);
639 ZERO_STRUCT(response);
640
641 /* Send request */
642
643 wbc_status = wbcRequestResponse(WINBINDD_PING_DC,
644 &request,
645 &response);
646
647 if (dcname && response.extra_data.data) {
648 size_t len;
649
650 len = response.length - sizeof(struct winbindd_response);
651 *dcname = wbcAllocateMemory(1, len, NULL);
652 BAIL_ON_PTR_ERROR(*dcname, wbc_status);
653
654 strlcpy(*dcname, response.extra_data.data, len);
655 }
656
657 if (response.data.auth.nt_status != 0) {
658 if (error) {
659 wbc_status = wbc_create_error_info(&response,
660 error);
661 BAIL_ON_WBC_ERROR(wbc_status);
662 }
663
664 wbc_status = WBC_ERR_AUTH_ERROR;
665 BAIL_ON_WBC_ERROR(wbc_status);
666 }
667 BAIL_ON_WBC_ERROR(wbc_status);
668
669 done:
670 return wbc_status;
671 }
672
673 /* Trigger an extended logoff notification to Winbind for a specific user */
674 wbcErr wbcLogoffUserEx(const struct wbcLogoffUserParams *params,
675 struct wbcAuthErrorInfo **error)
676 {
677 struct winbindd_request request;
678 struct winbindd_response response;
679 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
680 int i;
681
682 /* validate input */
683
684 if (!params || !params->username) {
685 wbc_status = WBC_ERR_INVALID_PARAM;
686 BAIL_ON_WBC_ERROR(wbc_status);
687 }
688
689 if ((params->num_blobs > 0) && (params->blobs == NULL)) {
690 wbc_status = WBC_ERR_INVALID_PARAM;
691 BAIL_ON_WBC_ERROR(wbc_status);
692 }
693 if ((params->num_blobs == 0) && (params->blobs != NULL)) {
694 wbc_status = WBC_ERR_INVALID_PARAM;
695 BAIL_ON_WBC_ERROR(wbc_status);
696 }
697
698 ZERO_STRUCT(request);
699 ZERO_STRUCT(response);
700
701 strncpy(request.data.logoff.user, params->username,
702 sizeof(request.data.logoff.user)-1);
703
704 for (i=0; i<params->num_blobs; i++) {
705
706 if (strcasecmp(params->blobs[i].name, "ccfilename") == 0) {
707 if (params->blobs[i].blob.data) {
708 strncpy(request.data.logoff.krb5ccname,
709 (const char *)params->blobs[i].blob.data,
710 sizeof(request.data.logoff.krb5ccname) - 1);
711 }
712 continue;
713 }
714
715 if (strcasecmp(params->blobs[i].name, "user_uid") == 0) {
716 if (params->blobs[i].blob.data) {
717 memcpy(&request.data.logoff.uid,
718 params->blobs[i].blob.data,
719 MIN(params->blobs[i].blob.length,
720 sizeof(request.data.logoff.uid)));
721 }
722 continue;
723 }
724
725 if (strcasecmp(params->blobs[i].name, "flags") == 0) {
726 if (params->blobs[i].blob.data) {
727 memcpy(&request.flags,
728 params->blobs[i].blob.data,
729 MIN(params->blobs[i].blob.length,
730 sizeof(request.flags)));
731 }
732 continue;
733 }
734 }
735
736 /* Send request */
737
738 wbc_status = wbcRequestResponse(WINBINDD_PAM_LOGOFF,
739 &request,
740 &response);
741
742 /* Take the response above and return it to the caller */
743 if (response.data.auth.nt_status != 0) {
744 if (error) {
745 wbc_status = wbc_create_error_info(&response,
746 error);
747 BAIL_ON_WBC_ERROR(wbc_status);
748 }
749
750 wbc_status = WBC_ERR_AUTH_ERROR;
751 BAIL_ON_WBC_ERROR(wbc_status);
752 }
753 BAIL_ON_WBC_ERROR(wbc_status);
754
755 done:
756 return wbc_status;
757 }
758
759 /* Trigger a logoff notification to Winbind for a specific user */
760 wbcErr wbcLogoffUser(const char *username,
761 uid_t uid,
762 const char *ccfilename)
763 {
764 struct winbindd_request request;
765 struct winbindd_response response;
766 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
767
768 /* validate input */
769
770 if (!username) {
771 wbc_status = WBC_ERR_INVALID_PARAM;
772 BAIL_ON_WBC_ERROR(wbc_status);
773 }
774
775 ZERO_STRUCT(request);
776 ZERO_STRUCT(response);
777
778 strncpy(request.data.logoff.user, username,
779 sizeof(request.data.logoff.user)-1);
780 request.data.logoff.uid = uid;
781
782 if (ccfilename) {
783 strncpy(request.data.logoff.krb5ccname, ccfilename,
784 sizeof(request.data.logoff.krb5ccname)-1);
785 }
786
787 /* Send request */
788
789 wbc_status = wbcRequestResponse(WINBINDD_PAM_LOGOFF,
790 &request,
791 &response);
792
793 /* Take the response above and return it to the caller */
794
795 done:
796 return wbc_status;
797 }
798
799 /* Change a password for a user with more detailed information upon failure */
800 wbcErr wbcChangeUserPasswordEx(const struct wbcChangePasswordParams *params,
801 struct wbcAuthErrorInfo **error,
802 enum wbcPasswordChangeRejectReason *reject_reason,
803 struct wbcUserPasswordPolicyInfo **policy)
804 {
805 struct winbindd_request request;
806 struct winbindd_response response;
807 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
808 int cmd = 0;
809
810 /* validate input */
811
812 if (!params->account_name) {
813 wbc_status = WBC_ERR_INVALID_PARAM;
814 goto done;
815 }
816
817 if (error) {
818 *error = NULL;
819 }
820
821 if (policy) {
822 *policy = NULL;
823 }
824
825 if (reject_reason) {
826 *reject_reason = -1;
827 }
828
829 ZERO_STRUCT(request);
830 ZERO_STRUCT(response);
831
832 switch (params->level) {
833 case WBC_CHANGE_PASSWORD_LEVEL_PLAIN:
834 cmd = WINBINDD_PAM_CHAUTHTOK;
835
836 if (!params->account_name) {
837 wbc_status = WBC_ERR_INVALID_PARAM;
838 goto done;
839 }
840
841 strncpy(request.data.chauthtok.user, params->account_name,
842 sizeof(request.data.chauthtok.user) - 1);
843
844 if (params->old_password.plaintext) {
845 strncpy(request.data.chauthtok.oldpass,
846 params->old_password.plaintext,
847 sizeof(request.data.chauthtok.oldpass) - 1);
848 }
849
850 if (params->new_password.plaintext) {
851 strncpy(request.data.chauthtok.newpass,
852 params->new_password.plaintext,
853 sizeof(request.data.chauthtok.newpass) - 1);
854 }
855 break;
856
857 case WBC_CHANGE_PASSWORD_LEVEL_RESPONSE:
858 cmd = WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP;
859
860 if (!params->account_name || !params->domain_name) {
861 wbc_status = WBC_ERR_INVALID_PARAM;
862 goto done;
863 }
864
865 if (params->old_password.response.old_lm_hash_enc_length &&
866 !params->old_password.response.old_lm_hash_enc_data) {
867 wbc_status = WBC_ERR_INVALID_PARAM;
868 goto done;
869 }
870
871 if (params->old_password.response.old_lm_hash_enc_length == 0 &&
872 params->old_password.response.old_lm_hash_enc_data) {
873 wbc_status = WBC_ERR_INVALID_PARAM;
874 goto done;
875 }
876
877 if (params->old_password.response.old_nt_hash_enc_length &&
878 !params->old_password.response.old_nt_hash_enc_data) {
879 wbc_status = WBC_ERR_INVALID_PARAM;
880 goto done;
881 }
882
883 if (params->old_password.response.old_nt_hash_enc_length == 0 &&
884 params->old_password.response.old_nt_hash_enc_data) {
885 wbc_status = WBC_ERR_INVALID_PARAM;
886 goto done;
887 }
888
889 if (params->new_password.response.lm_length &&
890 !params->new_password.response.lm_data) {
891 wbc_status = WBC_ERR_INVALID_PARAM;
892 goto done;
893 }
894
895 if (params->new_password.response.lm_length == 0 &&
896 params->new_password.response.lm_data) {
897 wbc_status = WBC_ERR_INVALID_PARAM;
898 goto done;
899 }
900
901 if (params->new_password.response.nt_length &&
902 !params->new_password.response.nt_data) {
903 wbc_status = WBC_ERR_INVALID_PARAM;
904 goto done;
905 }
906
907 if (params->new_password.response.nt_length == 0 &&
908 params->new_password.response.nt_data) {
909 wbc_status = WBC_ERR_INVALID_PARAM;
910 goto done;
911 }
912
913 strncpy(request.data.chng_pswd_auth_crap.user,
914 params->account_name,
915 sizeof(request.data.chng_pswd_auth_crap.user) - 1);
916
917 strncpy(request.data.chng_pswd_auth_crap.domain,
918 params->domain_name,
919 sizeof(request.data.chng_pswd_auth_crap.domain) - 1);
920
921 if (params->new_password.response.nt_data) {
922 request.data.chng_pswd_auth_crap.new_nt_pswd_len =
923 params->new_password.response.nt_length;
924 memcpy(request.data.chng_pswd_auth_crap.new_nt_pswd,
925 params->new_password.response.nt_data,
926 request.data.chng_pswd_auth_crap.new_nt_pswd_len);
927 }
928
929 if (params->new_password.response.lm_data) {
930 request.data.chng_pswd_auth_crap.new_lm_pswd_len =
931 params->new_password.response.lm_length;
932 memcpy(request.data.chng_pswd_auth_crap.new_lm_pswd,
933 params->new_password.response.lm_data,
934 request.data.chng_pswd_auth_crap.new_lm_pswd_len);
935 }
936
937 if (params->old_password.response.old_nt_hash_enc_data) {
938 request.data.chng_pswd_auth_crap.old_nt_hash_enc_len =
939 params->old_password.response.old_nt_hash_enc_length;
940 memcpy(request.data.chng_pswd_auth_crap.old_nt_hash_enc,
941 params->old_password.response.old_nt_hash_enc_data,
942 request.data.chng_pswd_auth_crap.old_nt_hash_enc_len);
943 }
944
945 if (params->old_password.response.old_lm_hash_enc_data) {
946 request.data.chng_pswd_auth_crap.old_lm_hash_enc_len =
947 params->old_password.response.old_lm_hash_enc_length;
948 memcpy(request.data.chng_pswd_auth_crap.old_lm_hash_enc,
949 params->old_password.response.old_lm_hash_enc_data,
950 request.data.chng_pswd_auth_crap.old_lm_hash_enc_len);
951 }
952
953 break;
954 default:
955 wbc_status = WBC_ERR_INVALID_PARAM;
956 goto done;
957 break;
958 }
959
960 /* Send request */
961
962 wbc_status = wbcRequestResponse(cmd,
963 &request,
964 &response);
965 if (WBC_ERROR_IS_OK(wbc_status)) {
966 goto done;
967 }
968
969 /* Take the response above and return it to the caller */
970
971 if (response.data.auth.nt_status != 0) {
972 if (error) {
973 wbc_status = wbc_create_error_info(&response,
974 error);
975 BAIL_ON_WBC_ERROR(wbc_status);
976 }
977
978 }
979
980 if (policy) {
981 wbc_status = wbc_create_password_policy_info(&response,
982 policy);
983 BAIL_ON_WBC_ERROR(wbc_status);
984 }
985
986 if (reject_reason) {
987 *reject_reason = response.data.auth.reject_reason;
988 }
989
990 wbc_status = WBC_ERR_PWD_CHANGE_FAILED;
991 BAIL_ON_WBC_ERROR(wbc_status);
992
993 done:
994 return wbc_status;
995 }
996
997 /* Change a password for a user */
998 wbcErr wbcChangeUserPassword(const char *username,
999 const char *old_password,
1000 const char *new_password)
1001 {
1002 wbcErr wbc_status = WBC_ERR_SUCCESS;
1003 struct wbcChangePasswordParams params;
1004
1005 ZERO_STRUCT(params);
1006
1007 params.account_name = username;
1008 params.level = WBC_CHANGE_PASSWORD_LEVEL_PLAIN;
1009 params.old_password.plaintext = old_password;
1010 params.new_password.plaintext = new_password;
1011
1012 wbc_status = wbcChangeUserPasswordEx(&params,
1013 NULL,
1014 NULL,
1015 NULL);
1016 BAIL_ON_WBC_ERROR(wbc_status);
1017
1018 done:
1019 return wbc_status;
1020 }
1021
1022 /* Logon a User */
1023 wbcErr wbcLogonUser(const struct wbcLogonUserParams *params,
1024 struct wbcLogonUserInfo **info,
1025 struct wbcAuthErrorInfo **error,
1026 struct wbcUserPasswordPolicyInfo **policy)
1027 {
1028 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
1029 struct winbindd_request request;
1030 struct winbindd_response response;
1031 uint32_t i;
1032
1033 ZERO_STRUCT(request);
1034 ZERO_STRUCT(response);
1035
1036 if (info) {
1037 *info = NULL;
1038 }
1039 if (error) {
1040 *error = NULL;
1041 }
1042 if (policy) {
1043 *policy = NULL;
1044 }
1045
1046 if (!params) {
1047 wbc_status = WBC_ERR_INVALID_PARAM;
1048 BAIL_ON_WBC_ERROR(wbc_status);
1049 }
1050
1051 if (!params->username) {
1052 wbc_status = WBC_ERR_INVALID_PARAM;
1053 BAIL_ON_WBC_ERROR(wbc_status);
1054 }
1055
1056 if ((params->num_blobs > 0) && (params->blobs == NULL)) {
1057 wbc_status = WBC_ERR_INVALID_PARAM;
1058 BAIL_ON_WBC_ERROR(wbc_status);
1059 }
1060 if ((params->num_blobs == 0) && (params->blobs != NULL)) {
1061 wbc_status = WBC_ERR_INVALID_PARAM;
1062 BAIL_ON_WBC_ERROR(wbc_status);
1063 }
1064
1065 /* Initialize request */
1066
1067 request.flags = WBFLAG_PAM_INFO3_TEXT |
1068 WBFLAG_PAM_USER_SESSION_KEY |
1069 WBFLAG_PAM_LMKEY;
1070
1071 if (!params->password) {
1072 wbc_status = WBC_ERR_INVALID_PARAM;
1073 BAIL_ON_WBC_ERROR(wbc_status);
1074 }
1075
1076 strncpy(request.data.auth.user,
1077 params->username,
1078 sizeof(request.data.auth.user)-1);
1079
1080 strncpy(request.data.auth.pass,
1081 params->password,
1082 sizeof(request.data.auth.pass)-1);
1083
1084 for (i=0; i<params->num_blobs; i++) {
1085
1086 if (strcasecmp(params->blobs[i].name, "krb5_cc_type") == 0) {
1087 if (params->blobs[i].blob.data) {
1088 strncpy(request.data.auth.krb5_cc_type,
1089 (const char *)params->blobs[i].blob.data,
1090 sizeof(request.data.auth.krb5_cc_type) - 1);
1091 }
1092 continue;
1093 }
1094
1095 if (strcasecmp(params->blobs[i].name, "user_uid") == 0) {
1096 if (params->blobs[i].blob.data) {
1097 memcpy(&request.data.auth.uid,
1098 params->blobs[i].blob.data,
1099 MIN(sizeof(request.data.auth.uid),
1100 params->blobs[i].blob.length));
1101 }
1102 continue;
1103 }
1104
1105 if (strcasecmp(params->blobs[i].name, "flags") == 0) {
1106 if (params->blobs[i].blob.data) {
1107 uint32_t flags;
1108 memcpy(&flags,
1109 params->blobs[i].blob.data,
1110 MIN(sizeof(flags),
1111 params->blobs[i].blob.length));
1112 request.flags |= flags;
1113 }
1114 continue;
1115 }
1116
1117 if (strcasecmp(params->blobs[i].name, "membership_of") == 0) {
1118 if (params->blobs[i].blob.data &&
1119 params->blobs[i].blob.data[0] > 0) {
1120 strncpy(request.data.auth.require_membership_of_sid,
1121 (const char *)params->blobs[i].blob.data,
1122 sizeof(request.data.auth.require_membership_of_sid) - 1);
1123 }
1124 continue;
1125 }
1126 }
1127
1128 wbc_status = wbcRequestResponse(WINBINDD_PAM_AUTH,
1129 &request,
1130 &response);
1131
1132 if (response.data.auth.nt_status != 0) {
1133 if (error) {
1134 wbc_status = wbc_create_error_info(&response,
1135 error);
1136 BAIL_ON_WBC_ERROR(wbc_status);
1137 }
1138
1139 wbc_status = WBC_ERR_AUTH_ERROR;
1140 BAIL_ON_WBC_ERROR(wbc_status);
1141 }
1142 BAIL_ON_WBC_ERROR(wbc_status);
1143
1144 if (info) {
1145 wbc_status = wbc_create_logon_info(&response,
1146 info);
1147 BAIL_ON_WBC_ERROR(wbc_status);
1148 }
1149
1150 if (policy) {
1151 wbc_status = wbc_create_password_policy_info(&response,
1152 policy);
1153 BAIL_ON_WBC_ERROR(wbc_status);
1154 }
1155
1156 done:
1157 winbindd_free_response(&response);
1158
1159 return wbc_status;
1160 }
1161
1162 static void wbcCredentialCacheInfoDestructor(void *ptr)
1163 {
1164 struct wbcCredentialCacheInfo *i =
1165 (struct wbcCredentialCacheInfo *)ptr;
1166 wbcFreeMemory(i->blobs);
1167 }
1168
1169 /* Authenticate a user with cached credentials */
1170 wbcErr wbcCredentialCache(struct wbcCredentialCacheParams *params,
1171 struct wbcCredentialCacheInfo **info,
1172 struct wbcAuthErrorInfo **error)
1173 {
1174 wbcErr status = WBC_ERR_UNKNOWN_FAILURE;
1175 struct wbcCredentialCacheInfo *result = NULL;
1176 struct winbindd_request request;
1177 struct winbindd_response response;
1178 struct wbcNamedBlob *initial_blob = NULL;
1179 struct wbcNamedBlob *challenge_blob = NULL;
1180 int i;
1181
1182 ZERO_STRUCT(request);
1183 ZERO_STRUCT(response);
1184
1185 *info = NULL;
1186
1187 if (error != NULL) {
1188 *error = NULL;
1189 }
1190 if ((params == NULL)
1191 || (params->account_name == NULL)
1192 || (params->level != WBC_CREDENTIAL_CACHE_LEVEL_NTLMSSP)) {
1193 status = WBC_ERR_INVALID_PARAM;
1194 goto fail;
1195 }
1196
1197 if (params->domain_name != NULL) {
1198 status = wbcRequestResponse(WINBINDD_INFO, NULL, &response);
1199 if (!WBC_ERROR_IS_OK(status)) {
1200 goto fail;
1201 }
1202 snprintf(request.data.ccache_ntlm_auth.user,
1203 sizeof(request.data.ccache_ntlm_auth.user)-1,
1204 "%s%c%s", params->domain_name,
1205 response.data.info.winbind_separator,
1206 params->account_name);
1207 } else {
1208 strncpy(request.data.ccache_ntlm_auth.user,
1209 params->account_name,
1210 sizeof(request.data.ccache_ntlm_auth.user)-1);
1211 }
1212 request.data.ccache_ntlm_auth.uid = getuid();
1213
1214 for (i=0; i<params->num_blobs; i++) {
1215 if (strcasecmp(params->blobs[i].name, "initial_blob") == 0) {
1216 initial_blob = &params->blobs[i];
1217 break;
1218 }
1219 if (strcasecmp(params->blobs[i].name, "challenge_blob") == 0) {
1220 challenge_blob = &params->blobs[i];
1221 break;
1222 }
1223 }
1224
1225 request.data.ccache_ntlm_auth.initial_blob_len = 0;
1226 request.data.ccache_ntlm_auth.challenge_blob_len = 0;
1227 request.extra_len = 0;
1228
1229 if (initial_blob != NULL) {
1230 request.data.ccache_ntlm_auth.initial_blob_len =
1231 initial_blob->blob.length;
1232 request.extra_len += initial_blob->blob.length;
1233 }
1234 if (challenge_blob != NULL) {
1235 request.data.ccache_ntlm_auth.challenge_blob_len =
1236 challenge_blob->blob.length;
1237 request.extra_len += challenge_blob->blob.length;
1238 }
1239
1240 if (request.extra_len != 0) {
1241 request.extra_data.data = (char *)malloc(request.extra_len);
1242 if (request.extra_data.data == NULL) {
1243 status = WBC_ERR_NO_MEMORY;
1244 goto fail;
1245 }
1246 }
1247 if (initial_blob != NULL) {
1248 memcpy(request.extra_data.data,
1249 initial_blob->blob.data, initial_blob->blob.length);
1250 }
1251 if (challenge_blob != NULL) {
1252 memcpy(request.extra_data.data
1253 + request.data.ccache_ntlm_auth.initial_blob_len,
1254 challenge_blob->blob.data,
1255 challenge_blob->blob.length);
1256 }
1257
1258 status = wbcRequestResponse(WINBINDD_CCACHE_NTLMAUTH, &request,
1259 &response);
1260 if (!WBC_ERROR_IS_OK(status)) {
1261 goto fail;
1262 }
1263
1264 result = (struct wbcCredentialCacheInfo *)wbcAllocateMemory(
1265 1, sizeof(struct wbcCredentialCacheInfo),
1266 wbcCredentialCacheInfoDestructor);
1267 if (result == NULL) {
1268 status = WBC_ERR_NO_MEMORY;
1269 goto fail;
1270 }
1271 result->num_blobs = 0;
1272 result->blobs = NULL;
1273 status = wbcAddNamedBlob(&result->num_blobs, &result->blobs,
1274 "auth_blob", 0,
1275 (uint8_t *)response.extra_data.data,
1276 response.data.ccache_ntlm_auth.auth_blob_len);
1277 if (!WBC_ERROR_IS_OK(status)) {
1278 goto fail;
1279 }
1280 status = wbcAddNamedBlob(
1281 &result->num_blobs, &result->blobs, "session_key", 0,
1282 response.data.ccache_ntlm_auth.session_key,
1283 sizeof(response.data.ccache_ntlm_auth.session_key));
1284 if (!WBC_ERROR_IS_OK(status)) {
1285 goto fail;
1286 }
1287
1288 *info = result;
1289 result = NULL;
1290 status = WBC_ERR_SUCCESS;
1291 fail:
1292 free(request.extra_data.data);
1293 winbindd_free_response(&response);
1294 wbcFreeMemory(result);
1295 return status;
1296 }
1297
1298 /* Authenticate a user with cached credentials */
1299 wbcErr wbcCredentialSave(const char *user, const char *password)
1300 {
1301 struct winbindd_request request;
1302 struct winbindd_response response;
1303
1304 ZERO_STRUCT(request);
1305 ZERO_STRUCT(response);
1306
1307 strncpy(request.data.ccache_save.user, user,
1308 sizeof(request.data.ccache_save.user)-1);
1309 strncpy(request.data.ccache_save.pass, password,
1310 sizeof(request.data.ccache_save.pass)-1);
1311 request.data.ccache_save.uid = getuid();
1312
1313 return wbcRequestResponse(WINBINDD_CCACHE_SAVE, &request, &response);
1314 }
reg import