2 Unix SMB/CIFS implementation.
4 Winbind daemon - pam auth funcions
6 Copyright (C) Andrew Tridgell 2000
7 Copyright (C) Tim Potter 2001
8 Copyright (C) Andrew Bartlett 2001-2002
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #define DBGC_CLASS DBGC_WINBIND
31 static NTSTATUS
append_info3_as_ndr(TALLOC_CTX
*mem_ctx
,
32 struct winbindd_cli_state
*state
,
33 NET_USER_INFO_3
*info3
)
37 if (!prs_init(&ps
, 256 /* Random, non-zero number */, mem_ctx
, MARSHALL
)) {
38 return NT_STATUS_NO_MEMORY
;
40 if (!net_io_user_info3("", info3
, &ps
, 1, 3, False
)) {
42 return NT_STATUS_UNSUCCESSFUL
;
45 size
= prs_data_size(&ps
);
46 state
->response
.extra_data
= SMB_MALLOC(size
);
47 if (!state
->response
.extra_data
) {
49 return NT_STATUS_NO_MEMORY
;
51 memset( state
->response
.extra_data
, '\0', size
);
52 prs_copy_all_data_out(state
->response
.extra_data
, &ps
);
53 state
->response
.length
+= size
;
58 static NTSTATUS
check_info3_in_group(TALLOC_CTX
*mem_ctx
,
59 NET_USER_INFO_3
*info3
,
60 const char *group_sid
)
62 DOM_SID require_membership_of_sid
;
64 size_t num_all_sids
= (2 + info3
->num_groups2
+ info3
->num_other_sids
);
67 /* Parse the 'required group' SID */
69 if (!group_sid
|| !group_sid
[0]) {
70 /* NO sid supplied, all users may access */
74 if (!string_to_sid(&require_membership_of_sid
, group_sid
)) {
75 DEBUG(0, ("check_info3_in_group: could not parse %s as a SID!",
78 return NT_STATUS_INVALID_PARAMETER
;
81 all_sids
= TALLOC_ARRAY(mem_ctx
, DOM_SID
, num_all_sids
);
83 return NT_STATUS_NO_MEMORY
;
85 /* and create (by appending rids) the 'domain' sids */
87 sid_copy(&all_sids
[0], &(info3
->dom_sid
.sid
));
89 if (!sid_append_rid(&all_sids
[0], info3
->user_rid
)) {
90 DEBUG(3,("could not append user's primary RID 0x%x\n",
93 return NT_STATUS_INVALID_PARAMETER
;
97 sid_copy(&all_sids
[1], &(info3
->dom_sid
.sid
));
99 if (!sid_append_rid(&all_sids
[1], info3
->group_rid
)) {
100 DEBUG(3,("could not append additional group rid 0x%x\n",
103 return NT_STATUS_INVALID_PARAMETER
;
107 for (i
= 0; i
< info3
->num_groups2
; i
++) {
109 sid_copy(&all_sids
[j
], &(info3
->dom_sid
.sid
));
111 if (!sid_append_rid(&all_sids
[j
], info3
->gids
[i
].g_rid
)) {
112 DEBUG(3,("could not append additional group rid 0x%x\n",
113 info3
->gids
[i
].g_rid
));
115 return NT_STATUS_INVALID_PARAMETER
;
120 /* Copy 'other' sids. We need to do sid filtering here to
121 prevent possible elevation of privileges. See:
123 http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
126 for (i
= 0; i
< info3
->num_other_sids
; i
++) {
127 sid_copy(&all_sids
[info3
->num_groups2
+ i
+ 2],
128 &info3
->other_sids
[i
].sid
);
132 for (i
= 0; i
< j
; i
++) {
134 DEBUG(10, ("User has SID: %s\n",
135 sid_to_string(sid1
, &all_sids
[i
])));
136 if (sid_equal(&require_membership_of_sid
, &all_sids
[i
])) {
137 DEBUG(10, ("SID %s matches %s - user permitted to authenticate!\n",
138 sid_to_string(sid1
, &require_membership_of_sid
), sid_to_string(sid2
, &all_sids
[i
])));
143 /* Do not distinguish this error from a wrong username/pw */
145 return NT_STATUS_LOGON_FAILURE
;
148 static struct winbindd_domain
*find_auth_domain(const char *domain_name
)
150 struct winbindd_domain
*domain
;
153 domain
= find_domain_from_name_noinit(domain_name
);
154 if (domain
== NULL
) {
155 DEBUG(3, ("Authentication for domain [%s] "
156 "as it is not a trusted domain\n",
162 if (is_myname(domain_name
)) {
163 DEBUG(3, ("Authentication for domain %s (local domain "
164 "to this server) not supported at this "
165 "stage\n", domain_name
));
169 return find_our_domain();
172 static void set_auth_errors(struct winbindd_response
*resp
, NTSTATUS result
)
174 resp
->data
.auth
.nt_status
= NT_STATUS_V(result
);
175 fstrcpy(resp
->data
.auth
.nt_status_string
, nt_errstr(result
));
177 /* we might have given a more useful error above */
178 if (*resp
->data
.auth
.error_string
== '\0')
179 fstrcpy(resp
->data
.auth
.error_string
,
180 get_friendly_nt_error_msg(result
));
181 resp
->data
.auth
.pam_error
= nt_status_to_pam(result
);
184 /**********************************************************************
185 Authenticate a user with a clear text password
186 **********************************************************************/
188 void winbindd_pam_auth(struct winbindd_cli_state
*state
)
190 struct winbindd_domain
*domain
;
191 fstring name_domain
, name_user
;
193 /* Ensure null termination */
194 state
->request
.data
.auth
.user
195 [sizeof(state
->request
.data
.auth
.user
)-1]='\0';
197 /* Ensure null termination */
198 state
->request
.data
.auth
.pass
199 [sizeof(state
->request
.data
.auth
.pass
)-1]='\0';
201 DEBUG(3, ("[%5lu]: pam auth %s\n", (unsigned long)state
->pid
,
202 state
->request
.data
.auth
.user
));
204 /* Parse domain and username */
206 parse_domain_user(state
->request
.data
.auth
.user
,
207 name_domain
, name_user
);
209 domain
= find_auth_domain(name_domain
);
211 if (domain
== NULL
) {
212 set_auth_errors(&state
->response
, NT_STATUS_NO_SUCH_USER
);
213 DEBUG(5, ("Plain text authentication for %s returned %s "
215 state
->request
.data
.auth
.user
,
216 state
->response
.data
.auth
.nt_status_string
,
217 state
->response
.data
.auth
.pam_error
));
218 request_error(state
);
222 sendto_domain(state
, domain
);
225 enum winbindd_result
winbindd_dual_pam_auth(struct winbindd_domain
*domain
,
226 struct winbindd_cli_state
*state
)
229 fstring name_domain
, name_user
;
230 NET_USER_INFO_3 info3
;
231 struct rpc_pipe_client
*netlogon_pipe
;
236 unsigned char local_lm_response
[24];
237 unsigned char local_nt_response
[24];
238 struct winbindd_domain
*contact_domain
;
241 /* Ensure null termination */
242 state
->request
.data
.auth
.user
[sizeof(state
->request
.data
.auth
.user
)-1]='\0';
244 /* Ensure null termination */
245 state
->request
.data
.auth
.pass
[sizeof(state
->request
.data
.auth
.pass
)-1]='\0';
247 DEBUG(3, ("[%5lu]: pam auth %s\n", (unsigned long)state
->pid
,
248 state
->request
.data
.auth
.user
));
250 /* Parse domain and username */
252 parse_domain_user(state
->request
.data
.auth
.user
, name_domain
, name_user
);
254 /* do password magic */
257 generate_random_buffer(chal
, 8);
258 if (lp_client_ntlmv2_auth()) {
259 DATA_BLOB server_chal
;
260 DATA_BLOB names_blob
;
261 DATA_BLOB nt_response
;
262 DATA_BLOB lm_response
;
263 server_chal
= data_blob_talloc(state
->mem_ctx
, chal
, 8);
265 /* note that the 'workgroup' here is a best guess - we don't know
266 the server's domain at this point. The 'server name' is also
269 names_blob
= NTLMv2_generate_names_blob(global_myname(), lp_workgroup());
271 if (!SMBNTLMv2encrypt(name_user
, name_domain
,
272 state
->request
.data
.auth
.pass
,
275 &lm_response
, &nt_response
, NULL
)) {
276 data_blob_free(&names_blob
);
277 data_blob_free(&server_chal
);
278 DEBUG(0, ("winbindd_pam_auth: SMBNTLMv2encrypt() failed!\n"));
279 result
= NT_STATUS_NO_MEMORY
;
282 data_blob_free(&names_blob
);
283 data_blob_free(&server_chal
);
284 lm_resp
= data_blob_talloc(state
->mem_ctx
, lm_response
.data
,
286 nt_resp
= data_blob_talloc(state
->mem_ctx
, nt_response
.data
,
288 data_blob_free(&lm_response
);
289 data_blob_free(&nt_response
);
292 if (lp_client_lanman_auth()
293 && SMBencrypt(state
->request
.data
.auth
.pass
,
295 local_lm_response
)) {
296 lm_resp
= data_blob_talloc(state
->mem_ctx
,
298 sizeof(local_lm_response
));
300 lm_resp
= data_blob(NULL
, 0);
302 SMBNTencrypt(state
->request
.data
.auth
.pass
,
306 nt_resp
= data_blob_talloc(state
->mem_ctx
,
308 sizeof(local_nt_response
));
311 /* what domain should we contact? */
314 if (!(contact_domain
= find_domain_from_name(name_domain
))) {
315 DEBUG(3, ("Authentication for domain for [%s] -> [%s]\\[%s] failed as %s is not a trusted domain\n",
316 state
->request
.data
.auth
.user
, name_domain
, name_user
, name_domain
));
317 result
= NT_STATUS_NO_SUCH_USER
;
322 if (is_myname(name_domain
)) {
323 DEBUG(3, ("Authentication for domain %s (local domain to this server) not supported at this stage\n", name_domain
));
324 result
= NT_STATUS_NO_SUCH_USER
;
328 contact_domain
= find_our_domain();
331 /* check authentication loop */
338 result
= cm_connect_netlogon(contact_domain
, &netlogon_pipe
);
340 if (!NT_STATUS_IS_OK(result
)) {
341 DEBUG(3, ("could not open handle to NETLOGON pipe\n"));
345 result
= rpccli_netlogon_sam_network_logon(netlogon_pipe
,
348 contact_domain
->dcname
, /* server name */
349 name_user
, /* user name */
350 name_domain
, /* target domain */
351 global_myname(), /* workstation */
358 /* We have to try a second time as cm_connect_netlogon
359 might not yet have noticed that the DC has killed
362 if (NT_STATUS_EQUAL(result
, NT_STATUS_UNSUCCESSFUL
)) {
367 /* if we get access denied, a possible cause was that we had
368 and open connection to the DC, but someone changed our
369 machine account password out from underneath us using 'net
370 rpc changetrustpw' */
372 if ( NT_STATUS_EQUAL(result
, NT_STATUS_ACCESS_DENIED
) ) {
373 DEBUG(3,("winbindd_pam_auth: sam_logon returned "
374 "ACCESS_DENIED. Maybe the trust account "
375 "password was changed and we didn't know it. "
376 "Killing connections to domain %s\n",
378 invalidate_cm_connection(&contact_domain
->conn
);
382 } while ( (attempts
< 2) && retry
);
384 if (NT_STATUS_IS_OK(result
)) {
385 netsamlogon_cache_store(name_user
, &info3
);
386 wcache_invalidate_samlogon(find_domain_from_name(name_domain
), &info3
);
388 /* Check if the user is in the right group */
390 if (!NT_STATUS_IS_OK(result
= check_info3_in_group(state
->mem_ctx
, &info3
,
391 state
->request
.data
.auth
.require_membership_of_sid
))) {
392 DEBUG(3, ("User %s is not in the required group (%s), so plaintext authentication is rejected\n",
393 state
->request
.data
.auth
.user
,
394 state
->request
.data
.auth
.require_membership_of_sid
));
400 /* give us a more useful (more correct?) error code */
401 if ((NT_STATUS_EQUAL(result
, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
) ||
402 (NT_STATUS_EQUAL(result
, NT_STATUS_UNSUCCESSFUL
)))) {
403 result
= NT_STATUS_NO_LOGON_SERVERS
;
406 state
->response
.data
.auth
.nt_status
= NT_STATUS_V(result
);
407 fstrcpy(state
->response
.data
.auth
.nt_status_string
, nt_errstr(result
));
409 /* we might have given a more useful error above */
410 if (!*state
->response
.data
.auth
.error_string
)
411 fstrcpy(state
->response
.data
.auth
.error_string
, get_friendly_nt_error_msg(result
));
412 state
->response
.data
.auth
.pam_error
= nt_status_to_pam(result
);
414 DEBUG(NT_STATUS_IS_OK(result
) ? 5 : 2, ("Plain-text authentication for user %s returned %s (PAM: %d)\n",
415 state
->request
.data
.auth
.user
,
416 state
->response
.data
.auth
.nt_status_string
,
417 state
->response
.data
.auth
.pam_error
));
419 if ( NT_STATUS_IS_OK(result
) &&
420 (state
->request
.flags
& WBFLAG_PAM_AFS_TOKEN
) ) {
422 char *afsname
= SMB_STRDUP(lp_afs_username_map());
425 if (afsname
== NULL
) {
429 afsname
= realloc_string_sub(afsname
, "%D", name_domain
);
430 afsname
= realloc_string_sub(afsname
, "%u", name_user
);
431 afsname
= realloc_string_sub(afsname
, "%U", name_user
);
437 sid_copy(&user_sid
, &info3
.dom_sid
.sid
);
438 sid_append_rid(&user_sid
, info3
.user_rid
);
439 sid_to_string(sidstr
, &user_sid
);
440 afsname
= realloc_string_sub(afsname
, "%s", sidstr
);
443 if (afsname
== NULL
) {
449 DEBUG(10, ("Generating token for user %s\n", afsname
));
451 cell
= strchr(afsname
, '@');
460 /* Append an AFS token string */
461 state
->response
.extra_data
=
462 afs_createtoken_str(afsname
, cell
);
464 if (state
->response
.extra_data
!= NULL
)
465 state
->response
.length
+=
466 strlen(state
->response
.extra_data
)+1;
472 return NT_STATUS_IS_OK(result
) ? WINBINDD_OK
: WINBINDD_ERROR
;
475 /**********************************************************************
476 Challenge Response Authentication Protocol
477 **********************************************************************/
479 void winbindd_pam_auth_crap(struct winbindd_cli_state
*state
)
481 struct winbindd_domain
*domain
= NULL
;
482 const char *domain_name
= NULL
;
485 if (!state
->privileged
) {
486 char *error_string
= NULL
;
487 DEBUG(2, ("winbindd_pam_auth_crap: non-privileged access "
489 DEBUGADD(2, ("winbindd_pam_auth_crap: Ensure permissions "
490 "on %s are set correctly.\n",
491 get_winbind_priv_pipe_dir()));
492 /* send a better message than ACCESS_DENIED */
493 error_string
= talloc_asprintf(state
->mem_ctx
,
494 "winbind client not authorized "
495 "to use winbindd_pam_auth_crap."
496 " Ensure permissions on %s "
497 "are set correctly.",
498 get_winbind_priv_pipe_dir());
499 fstrcpy(state
->response
.data
.auth
.error_string
, error_string
);
500 result
= NT_STATUS_ACCESS_DENIED
;
504 /* Ensure null termination */
505 state
->request
.data
.auth_crap
.user
506 [sizeof(state
->request
.data
.auth_crap
.user
)-1]=0;
507 state
->request
.data
.auth_crap
.domain
508 [sizeof(state
->request
.data
.auth_crap
.domain
)-1]=0;
510 DEBUG(3, ("[%5lu]: pam auth crap domain: [%s] user: %s\n",
511 (unsigned long)state
->pid
,
512 state
->request
.data
.auth_crap
.domain
,
513 state
->request
.data
.auth_crap
.user
));
515 if (*state
->request
.data
.auth_crap
.domain
!= '\0') {
516 domain_name
= state
->request
.data
.auth_crap
.domain
;
517 } else if (lp_winbind_use_default_domain()) {
518 domain_name
= lp_workgroup();
521 if (domain_name
!= NULL
)
522 domain
= find_auth_domain(domain_name
);
524 if (domain
!= NULL
) {
525 sendto_domain(state
, domain
);
529 result
= NT_STATUS_NO_SUCH_USER
;
532 set_auth_errors(&state
->response
, result
);
533 DEBUG(5, ("CRAP authentication for %s\\%s returned %s (PAM: %d)\n",
534 state
->request
.data
.auth_crap
.domain
,
535 state
->request
.data
.auth_crap
.user
,
536 state
->response
.data
.auth
.nt_status_string
,
537 state
->response
.data
.auth
.pam_error
));
538 request_error(state
);
543 enum winbindd_result
winbindd_dual_pam_auth_crap(struct winbindd_domain
*domain
,
544 struct winbindd_cli_state
*state
)
547 NET_USER_INFO_3 info3
;
548 struct rpc_pipe_client
*netlogon_pipe
;
549 const char *name_user
= NULL
;
550 const char *name_domain
= NULL
;
551 const char *workstation
;
552 struct winbindd_domain
*contact_domain
;
556 DATA_BLOB lm_resp
, nt_resp
;
558 /* This is child-only, so no check for privileged access is needed
561 /* Ensure null termination */
562 state
->request
.data
.auth_crap
.user
[sizeof(state
->request
.data
.auth_crap
.user
)-1]=0;
563 state
->request
.data
.auth_crap
.domain
[sizeof(state
->request
.data
.auth_crap
.domain
)-1]=0;
565 name_user
= state
->request
.data
.auth_crap
.user
;
567 if (*state
->request
.data
.auth_crap
.domain
) {
568 name_domain
= state
->request
.data
.auth_crap
.domain
;
569 } else if (lp_winbind_use_default_domain()) {
570 name_domain
= lp_workgroup();
572 DEBUG(5,("no domain specified with username (%s) - failing auth\n",
574 result
= NT_STATUS_NO_SUCH_USER
;
578 DEBUG(3, ("[%5lu]: pam auth crap domain: %s user: %s\n", (unsigned long)state
->pid
,
579 name_domain
, name_user
));
581 if (*state
->request
.data
.auth_crap
.workstation
) {
582 workstation
= state
->request
.data
.auth_crap
.workstation
;
584 workstation
= global_myname();
587 if (state
->request
.data
.auth_crap
.lm_resp_len
> sizeof(state
->request
.data
.auth_crap
.lm_resp
)
588 || state
->request
.data
.auth_crap
.nt_resp_len
> sizeof(state
->request
.data
.auth_crap
.nt_resp
)) {
589 DEBUG(0, ("winbindd_pam_auth_crap: invalid password length %u/%u\n",
590 state
->request
.data
.auth_crap
.lm_resp_len
,
591 state
->request
.data
.auth_crap
.nt_resp_len
));
592 result
= NT_STATUS_INVALID_PARAMETER
;
596 lm_resp
= data_blob_talloc(state
->mem_ctx
, state
->request
.data
.auth_crap
.lm_resp
,
597 state
->request
.data
.auth_crap
.lm_resp_len
);
598 nt_resp
= data_blob_talloc(state
->mem_ctx
, state
->request
.data
.auth_crap
.nt_resp
,
599 state
->request
.data
.auth_crap
.nt_resp_len
);
601 /* what domain should we contact? */
604 if (!(contact_domain
= find_domain_from_name(name_domain
))) {
605 DEBUG(3, ("Authentication for domain for [%s] -> [%s]\\[%s] failed as %s is not a trusted domain\n",
606 state
->request
.data
.auth_crap
.user
, name_domain
, name_user
, name_domain
));
607 result
= NT_STATUS_NO_SUCH_USER
;
611 if (is_myname(name_domain
)) {
612 DEBUG(3, ("Authentication for domain %s (local domain to this server) not supported at this stage\n", name_domain
));
613 result
= NT_STATUS_NO_SUCH_USER
;
616 contact_domain
= find_our_domain();
623 result
= cm_connect_netlogon(contact_domain
, &netlogon_pipe
);
625 if (!NT_STATUS_IS_OK(result
)) {
626 DEBUG(3, ("could not open handle to NETLOGON pipe (error: %s)\n",
631 result
= rpccli_netlogon_sam_network_logon(netlogon_pipe
,
633 state
->request
.data
.auth_crap
.logon_parameters
,
634 contact_domain
->dcname
,
638 state
->request
.data
.auth_crap
.chal
,
645 /* We have to try a second time as cm_connect_netlogon
646 might not yet have noticed that the DC has killed
649 if (NT_STATUS_EQUAL(result
, NT_STATUS_UNSUCCESSFUL
)) {
654 /* if we get access denied, a possible cause was that we had and open
655 connection to the DC, but someone changed our machine account password
656 out from underneath us using 'net rpc changetrustpw' */
658 if ( NT_STATUS_EQUAL(result
, NT_STATUS_ACCESS_DENIED
) ) {
659 DEBUG(3,("winbindd_pam_auth: sam_logon returned "
660 "ACCESS_DENIED. Maybe the trust account "
661 "password was changed and we didn't know it. "
662 "Killing connections to domain %s\n",
664 invalidate_cm_connection(&contact_domain
->conn
);
668 } while ( (attempts
< 2) && retry
);
670 if (NT_STATUS_IS_OK(result
)) {
671 netsamlogon_cache_store(name_user
, &info3
);
672 wcache_invalidate_samlogon(find_domain_from_name(name_domain
), &info3
);
674 /* Check if the user is in the right group */
676 if (!NT_STATUS_IS_OK(result
= check_info3_in_group(state
->mem_ctx
, &info3
,
677 state
->request
.data
.auth_crap
.require_membership_of_sid
))) {
678 DEBUG(3, ("User %s is not in the required group (%s), so plaintext authentication is rejected\n",
679 state
->request
.data
.auth_crap
.user
,
680 state
->request
.data
.auth_crap
.require_membership_of_sid
));
684 if (state
->request
.flags
& WBFLAG_PAM_INFO3_NDR
) {
685 result
= append_info3_as_ndr(state
->mem_ctx
, state
, &info3
);
686 } else if (state
->request
.flags
& WBFLAG_PAM_UNIX_NAME
) {
687 /* ntlm_auth should return the unix username, per
688 'winbind use default domain' settings and the like */
690 fstring username_out
;
691 const char *nt_username
, *nt_domain
;
692 if (!(nt_username
= unistr2_tdup(state
->mem_ctx
, &(info3
.uni_user_name
)))) {
693 /* If the server didn't give us one, just use the one we sent them */
694 nt_username
= name_user
;
697 if (!(nt_domain
= unistr2_tdup(state
->mem_ctx
, &(info3
.uni_logon_dom
)))) {
698 /* If the server didn't give us one, just use the one we sent them */
699 nt_domain
= name_domain
;
702 fill_domain_username(username_out
, nt_domain
, nt_username
);
704 DEBUG(5, ("Setting unix username to [%s]\n", username_out
));
706 state
->response
.extra_data
= SMB_STRDUP(username_out
);
707 if (!state
->response
.extra_data
) {
708 result
= NT_STATUS_NO_MEMORY
;
711 state
->response
.length
+= strlen(state
->response
.extra_data
)+1;
714 if (state
->request
.flags
& WBFLAG_PAM_USER_SESSION_KEY
) {
715 memcpy(state
->response
.data
.auth
.user_session_key
, info3
.user_sess_key
,
716 sizeof(state
->response
.data
.auth
.user_session_key
) /* 16 */);
718 if (state
->request
.flags
& WBFLAG_PAM_LMKEY
) {
719 memcpy(state
->response
.data
.auth
.first_8_lm_hash
, info3
.lm_sess_key
,
720 sizeof(state
->response
.data
.auth
.first_8_lm_hash
) /* 8 */);
726 /* give us a more useful (more correct?) error code */
727 if ((NT_STATUS_EQUAL(result
, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
) ||
728 (NT_STATUS_EQUAL(result
, NT_STATUS_UNSUCCESSFUL
)))) {
729 result
= NT_STATUS_NO_LOGON_SERVERS
;
732 if (state
->request
.flags
& WBFLAG_PAM_NT_STATUS_SQUASH
) {
733 result
= nt_status_squash(result
);
736 state
->response
.data
.auth
.nt_status
= NT_STATUS_V(result
);
737 fstrcpy(state
->response
.data
.auth
.nt_status_string
, nt_errstr(result
));
739 /* we might have given a more useful error above */
740 if (!*state
->response
.data
.auth
.error_string
) {
741 fstrcpy(state
->response
.data
.auth
.error_string
, get_friendly_nt_error_msg(result
));
743 state
->response
.data
.auth
.pam_error
= nt_status_to_pam(result
);
745 DEBUG(NT_STATUS_IS_OK(result
) ? 5 : 2,
746 ("NTLM CRAP authentication for user [%s]\\[%s] returned %s (PAM: %d)\n",
749 state
->response
.data
.auth
.nt_status_string
,
750 state
->response
.data
.auth
.pam_error
));
752 return NT_STATUS_IS_OK(result
) ? WINBINDD_OK
: WINBINDD_ERROR
;
755 /* Change a user password */
757 void winbindd_pam_chauthtok(struct winbindd_cli_state
*state
)
760 char *oldpass
, *newpass
;
761 fstring domain
, user
;
763 struct winbindd_domain
*contact_domain
;
764 struct rpc_pipe_client
*cli
;
766 DEBUG(3, ("[%5lu]: pam chauthtok %s\n", (unsigned long)state
->pid
,
767 state
->request
.data
.chauthtok
.user
));
771 parse_domain_user(state
->request
.data
.chauthtok
.user
, domain
, user
);
773 if (!(contact_domain
= find_domain_from_name(domain
))) {
774 DEBUG(3, ("Cannot change password for [%s] -> [%s]\\[%s] as %s is not a trusted domain\n",
775 state
->request
.data
.chauthtok
.user
, domain
, user
, domain
));
776 result
= NT_STATUS_NO_SUCH_USER
;
780 /* Change password */
782 oldpass
= state
->request
.data
.chauthtok
.oldpass
;
783 newpass
= state
->request
.data
.chauthtok
.newpass
;
787 result
= cm_connect_sam(contact_domain
, state
->mem_ctx
, &cli
,
789 if (!NT_STATUS_IS_OK(result
)) {
790 DEBUG(1, ("could not get SAM handle on DC for %s\n", domain
));
794 result
= rpccli_samr_chgpasswd_user(cli
, state
->mem_ctx
, user
, newpass
,
798 state
->response
.data
.auth
.nt_status
= NT_STATUS_V(result
);
799 fstrcpy(state
->response
.data
.auth
.nt_status_string
, nt_errstr(result
));
800 fstrcpy(state
->response
.data
.auth
.error_string
, nt_errstr(result
));
801 state
->response
.data
.auth
.pam_error
= nt_status_to_pam(result
);
803 DEBUG(NT_STATUS_IS_OK(result
) ? 5 : 2,
804 ("Password change for user [%s]\\[%s] returned %s (PAM: %d)\n",
807 state
->response
.data
.auth
.nt_status_string
,
808 state
->response
.data
.auth
.pam_error
));
810 if (NT_STATUS_IS_OK(result
))
813 request_error(state
);