2 Unix SMB/CIFS implementation.
4 Winbind rpc backend functions
6 Copyright (C) Tim Potter 2000-2001,2003
7 Copyright (C) Simo Sorce 2003
8 Copyright (C) Volker Lendecke 2004
9 Copyright (C) Jeremy Allison 2008
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
29 #define DBGC_CLASS DBGC_WINBIND
31 static NTSTATUS
enum_groups_internal(struct winbindd_domain
*domain
,
34 struct acct_info
**info
,
35 enum lsa_SidType sidtype
)
37 struct pdb_search
*search
;
38 struct samr_displayentry
*entries
;
40 NTSTATUS result
= NT_STATUS_UNSUCCESSFUL
;
42 if (sidtype
== SID_NAME_ALIAS
) {
43 search
= pdb_search_aliases(talloc_tos(), &domain
->sid
);
45 search
= pdb_search_groups(talloc_tos());
48 if (search
== NULL
) goto done
;
50 *num_entries
= pdb_search_entries(search
, 0, 0xffffffff, &entries
);
51 if (*num_entries
== 0) {
52 /* Zero entries isn't an error */
53 result
= NT_STATUS_OK
;
57 *info
= TALLOC_ARRAY(mem_ctx
, struct acct_info
, *num_entries
);
59 result
= NT_STATUS_NO_MEMORY
;
63 for (i
=0; i
<*num_entries
; i
++) {
64 fstrcpy((*info
)[i
].acct_name
, entries
[i
].account_name
);
65 fstrcpy((*info
)[i
].acct_desc
, entries
[i
].description
);
66 (*info
)[i
].rid
= entries
[i
].rid
;
69 result
= NT_STATUS_OK
;
75 /* List all local groups (aliases) */
76 static NTSTATUS
enum_local_groups(struct winbindd_domain
*domain
,
79 struct acct_info
**info
)
81 return enum_groups_internal(domain
,
88 /* convert a single name to a sid in a domain */
89 static NTSTATUS
name_to_sid(struct winbindd_domain
*domain
,
91 const char *domain_name
,
95 enum lsa_SidType
*type
)
99 flags
|= LOOKUP_NAME_ALL
;
101 if (domain_name
&& domain_name
[0] && strchr_m(name
, '\\') == NULL
) {
102 fullname
= talloc_asprintf(mem_ctx
, "%s\\%s",
104 if (fullname
== NULL
) {
105 return NT_STATUS_NO_MEMORY
;
111 DEBUG(10, ("Finding fullname %s\n", fullname
));
113 if ( !lookup_name( mem_ctx
, fullname
, flags
, NULL
, NULL
, sid
, type
) ) {
114 return NT_STATUS_NONE_MAPPED
;
117 DEBUG(10, ("name_to_sid for %s returned %s (%s)\n",
120 sid_type_lookup((uint32
)*type
)));
126 convert a domain SID to a user or group name
128 static NTSTATUS
sid_to_name(struct winbindd_domain
*domain
,
133 enum lsa_SidType
*type
)
135 const char *dom
, *nam
;
137 DEBUG(10, ("Converting SID %s\n", sid_string_dbg(sid
)));
140 if (!sid_check_is_in_builtin(sid
) &&
141 !sid_check_is_in_our_domain(sid
) &&
142 !sid_check_is_in_unix_users(sid
) &&
143 !sid_check_is_unix_users(sid
) &&
144 !sid_check_is_in_unix_groups(sid
) &&
145 !sid_check_is_unix_groups(sid
) &&
146 !sid_check_is_in_wellknown_domain(sid
))
148 DEBUG(0, ("Possible deadlock: Trying to lookup SID %s with "
149 "passdb backend\n", sid_string_dbg(sid
)));
150 return NT_STATUS_NONE_MAPPED
;
153 if (!lookup_sid(mem_ctx
, sid
, &dom
, &nam
, type
)) {
154 return NT_STATUS_NONE_MAPPED
;
157 *domain_name
= talloc_strdup(mem_ctx
, dom
);
158 *name
= talloc_strdup(mem_ctx
, nam
);
163 static NTSTATUS
rids_to_names(struct winbindd_domain
*domain
,
170 enum lsa_SidType
**types
)
185 if (!sid_check_is_in_builtin(sid
) &&
186 !sid_check_is_in_our_domain(sid
) &&
187 !sid_check_is_in_unix_users(sid
) &&
188 !sid_check_is_unix_users(sid
) &&
189 !sid_check_is_in_unix_groups(sid
) &&
190 !sid_check_is_unix_groups(sid
) &&
191 !sid_check_is_in_wellknown_domain(sid
))
193 DEBUG(0, ("Possible deadlock: Trying to lookup SID %s with "
194 "passdb backend\n", sid_string_dbg(sid
)));
195 return NT_STATUS_NONE_MAPPED
;
198 *names
= TALLOC_ARRAY(mem_ctx
, char *, num_rids
);
199 *types
= TALLOC_ARRAY(mem_ctx
, enum lsa_SidType
, num_rids
);
201 if ((*names
== NULL
) || (*types
== NULL
)) {
202 return NT_STATUS_NO_MEMORY
;
205 have_mapped
= have_unmapped
= false;
207 for (i
=0; i
<num_rids
; i
++) {
209 const char *dom
= NULL
, *nam
= NULL
;
210 enum lsa_SidType type
= SID_NAME_UNKNOWN
;
212 if (!sid_compose(&lsid
, sid
, rids
[i
])) {
213 return NT_STATUS_INTERNAL_ERROR
;
216 if (!lookup_sid(mem_ctx
, &lsid
, &dom
, &nam
, &type
)) {
217 have_unmapped
= true;
218 (*types
)[i
] = SID_NAME_UNKNOWN
;
219 (*names
)[i
] = talloc_strdup(mem_ctx
, "");
223 (*names
)[i
] = CONST_DISCARD(char *, nam
);
226 if (*domain_name
== NULL
) {
227 *domain_name
= CONST_DISCARD(char *, dom
);
229 char *dname
= CONST_DISCARD(char *, dom
);
235 return NT_STATUS_NONE_MAPPED
;
237 if (!have_unmapped
) {
240 return STATUS_SOME_UNMAPPED
;
243 /* Lookup groups a user is a member of. I wish Unix had a call like this! */
244 static NTSTATUS
lookup_usergroups(struct winbindd_domain
*domain
,
246 const DOM_SID
*user_sid
,
247 uint32
*num_groups
, DOM_SID
**user_gids
)
250 DOM_SID
*groups
= NULL
;
255 if ( (user
= samu_new(mem_ctx
)) == NULL
) {
256 return NT_STATUS_NO_MEMORY
;
259 if ( !pdb_getsampwsid( user
, user_sid
) ) {
261 return NT_STATUS_NO_SUCH_USER
;
264 result
= pdb_enum_group_memberships( mem_ctx
, user
, &groups
, &gids
, &ngroups
);
268 *num_groups
= (uint32
)ngroups
;
274 static NTSTATUS
lookup_useraliases(struct winbindd_domain
*domain
,
276 uint32 num_sids
, const DOM_SID
*sids
,
277 uint32
*p_num_aliases
, uint32
**rids
)
280 size_t num_aliases
= 0;
282 result
= pdb_enum_alias_memberships(mem_ctx
, &domain
->sid
,
283 sids
, num_sids
, rids
, &num_aliases
);
285 *p_num_aliases
= num_aliases
;
289 /* find the sequence number for a domain */
290 static NTSTATUS
sequence_number(struct winbindd_domain
*domain
, uint32
*seq
)
295 result
= pdb_get_seq_num(&seq_num
);
300 *seq
= (int) seq_num
;
305 static NTSTATUS
lockout_policy(struct winbindd_domain
*domain
,
307 struct samr_DomInfo12
*policy
)
309 /* actually we have that */
310 return NT_STATUS_NOT_IMPLEMENTED
;
313 static NTSTATUS
password_policy(struct winbindd_domain
*domain
,
315 struct samr_DomInfo1
*policy
)
317 struct samr_DomInfo1
*p
;
318 time_t u_expire
, u_min_age
;
319 uint32 account_policy_temp
;
321 if ((p
= TALLOC_ZERO_P(mem_ctx
, struct samr_DomInfo1
)) == NULL
) {
322 return NT_STATUS_NO_MEMORY
;
325 if (!pdb_get_account_policy(PDB_POLICY_MIN_PASSWORD_LEN
,
326 &account_policy_temp
)) {
327 return NT_STATUS_ACCESS_DENIED
;
329 p
->min_password_length
= account_policy_temp
;
331 if (!pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY
,
332 &account_policy_temp
)) {
333 return NT_STATUS_ACCESS_DENIED
;
335 p
->password_history_length
= account_policy_temp
;
337 if (!pdb_get_account_policy(PDB_POLICY_USER_MUST_LOGON_TO_CHG_PASS
,
338 &p
->password_properties
)) {
339 return NT_STATUS_ACCESS_DENIED
;
342 if (!pdb_get_account_policy(PDB_POLICY_MAX_PASSWORD_AGE
, &account_policy_temp
)) {
343 return NT_STATUS_ACCESS_DENIED
;
345 u_expire
= account_policy_temp
;
347 if (!pdb_get_account_policy(PDB_POLICY_MIN_PASSWORD_AGE
, &account_policy_temp
)) {
348 return NT_STATUS_ACCESS_DENIED
;
350 u_min_age
= account_policy_temp
;
352 unix_to_nt_time_abs((NTTIME
*)&p
->max_password_age
, u_expire
);
353 unix_to_nt_time_abs((NTTIME
*)&p
->min_password_age
, u_min_age
);
360 /*********************************************************************
361 BUILTIN specific functions.
362 *********************************************************************/
364 /* list all domain groups */
365 static NTSTATUS
builtin_enum_dom_groups(struct winbindd_domain
*domain
,
368 struct acct_info
**info
)
370 /* BUILTIN doesn't have domain groups */
376 /* Query display info for a domain. This returns enough information plus a
377 bit extra to give an overview of domain users for the User Manager
379 static NTSTATUS
builtin_query_user_list(struct winbindd_domain
*domain
,
382 struct wbint_userinfo
**info
)
384 /* We don't have users */
390 /* Lookup user information from a rid or username. */
391 static NTSTATUS
builtin_query_user(struct winbindd_domain
*domain
,
393 const DOM_SID
*user_sid
,
394 struct wbint_userinfo
*user_info
)
396 return NT_STATUS_NO_SUCH_USER
;
399 /* get a list of trusted domains - builtin domain */
400 static NTSTATUS
builtin_trusted_domains(struct winbindd_domain
*domain
,
402 struct netr_DomainTrustList
*trusts
)
404 ZERO_STRUCTP(trusts
);
408 /*********************************************************************
409 SAM specific functions.
410 *********************************************************************/
412 /* list all domain groups */
413 static NTSTATUS
sam_enum_dom_groups(struct winbindd_domain
*domain
,
416 struct acct_info
**info
)
418 return enum_groups_internal(domain
,
425 static NTSTATUS
sam_query_user_list(struct winbindd_domain
*domain
,
428 struct wbint_userinfo
**info
)
430 struct pdb_search
*ps
= pdb_search_users(talloc_tos(), ACB_NORMAL
);
431 struct samr_displayentry
*entries
= NULL
;
438 return NT_STATUS_NO_MEMORY
;
441 *num_entries
= pdb_search_entries(ps
, 0, 0xffffffff, &entries
);
443 DEBUG(10, ("sam_query_user_list: found %d users\n",
446 *info
= TALLOC_ZERO_ARRAY(mem_ctx
, struct wbint_userinfo
, *num_entries
);
449 return NT_STATUS_NO_MEMORY
;
452 for (i
= 0; i
< *num_entries
; i
++) {
453 struct samr_displayentry
*e
= &entries
[i
];
455 (*info
)[i
].acct_name
= talloc_strdup(mem_ctx
, e
->account_name
);
456 (*info
)[i
].full_name
= talloc_strdup(mem_ctx
, e
->fullname
);
457 (*info
)[i
].homedir
= NULL
;
458 (*info
)[i
].shell
= NULL
;
459 sid_compose(&(*info
)[i
].user_sid
, &domain
->sid
, e
->rid
);
461 /* For the moment we set the primary group for
462 every user to be the Domain Users group.
463 There are serious problems with determining
464 the actual primary group for large domains.
465 This should really be made into a 'winbind
466 force group' smb.conf parameter or
467 something like that. */
469 sid_compose(&(*info
)[i
].group_sid
, &domain
->sid
,
470 DOMAIN_GROUP_RID_USERS
);
477 /* Lookup user information from a rid or username. */
478 static NTSTATUS
sam_query_user(struct winbindd_domain
*domain
,
480 const DOM_SID
*user_sid
,
481 struct wbint_userinfo
*user_info
)
483 struct samu
*sampass
= NULL
;
485 ZERO_STRUCTP(user_info
);
487 if (!sid_check_is_in_our_domain(user_sid
)) {
488 return NT_STATUS_NO_SUCH_USER
;
491 DEBUG(10,("sam_query_user: getting samu info for sid %s\n",
492 sid_string_dbg(user_sid
) ));
494 if (!(sampass
= samu_new(mem_ctx
))) {
495 return NT_STATUS_NO_MEMORY
;
498 if (!pdb_getsampwsid(sampass
, user_sid
)) {
499 TALLOC_FREE(sampass
);
500 return NT_STATUS_NO_SUCH_USER
;
503 if (pdb_get_group_sid(sampass
) == NULL
) {
504 TALLOC_FREE(sampass
);
505 return NT_STATUS_NO_SUCH_GROUP
;
508 DEBUG(10,("sam_query_user: group sid %s\n",
509 sid_string_dbg(sampass
->group_sid
) ));
511 sid_copy(&user_info
->user_sid
, user_sid
);
512 sid_copy(&user_info
->group_sid
, sampass
->group_sid
);
514 user_info
->acct_name
= talloc_strdup(mem_ctx
, sampass
->username
?
515 sampass
->username
: "");
516 user_info
->full_name
= talloc_strdup(mem_ctx
, sampass
->full_name
?
517 sampass
->full_name
: "");
518 user_info
->homedir
= talloc_strdup(mem_ctx
, sampass
->home_dir
?
519 sampass
->home_dir
: "");
520 if (sampass
->unix_pw
&& sampass
->unix_pw
->pw_shell
) {
521 user_info
->shell
= talloc_strdup(mem_ctx
, sampass
->unix_pw
->pw_shell
);
523 user_info
->shell
= talloc_strdup(mem_ctx
, "");
525 user_info
->primary_gid
= sampass
->unix_pw
? sampass
->unix_pw
->pw_gid
: (gid_t
)-1;
527 TALLOC_FREE(sampass
);
531 /* Lookup group membership given a rid. */
532 static NTSTATUS
sam_lookup_groupmem(struct winbindd_domain
*domain
,
534 const DOM_SID
*group_sid
,
535 enum lsa_SidType type
,
537 DOM_SID
**sid_mem
, char ***names
,
540 size_t i
, num_members
, num_mapped
;
542 const DOM_SID
**sids
;
543 struct lsa_dom_info
*lsa_domains
;
544 struct lsa_name_info
*lsa_names
;
547 DEBUG(10,("passdb: lookup_groupmem (sam) %s sid=%s\n", domain
->name
,
548 sid_string_dbg(group_sid
)));
550 if (sid_check_is_in_builtin(group_sid
) && (type
!= SID_NAME_ALIAS
)) {
551 /* There's no groups, only aliases in BUILTIN */
552 return NT_STATUS_NO_SUCH_GROUP
;
555 if (!(tmp_ctx
= talloc_init("lookup_groupmem"))) {
556 return NT_STATUS_NO_MEMORY
;
559 if (type
== SID_NAME_DOM_GRP
) {
562 result
= pdb_enum_group_members(tmp_ctx
, group_sid
, &rids
,
564 if (!NT_STATUS_IS_OK(result
)) {
565 TALLOC_FREE(tmp_ctx
);
568 *sid_mem
= talloc_array(mem_ctx
, struct dom_sid
, num_members
);
569 if (*sid_mem
== NULL
) {
570 TALLOC_FREE(tmp_ctx
);
571 return NT_STATUS_NO_MEMORY
;
573 for (i
=0; i
<num_members
; i
++) {
574 sid_compose(&((*sid_mem
)[i
]), &domain
->sid
, rids
[i
]);
578 result
= pdb_enum_aliasmem(group_sid
, mem_ctx
, sid_mem
,
580 if (!NT_STATUS_IS_OK(result
)) {
581 TALLOC_FREE(tmp_ctx
);
586 if (num_members
== 0) {
591 TALLOC_FREE(tmp_ctx
);
595 *names
= TALLOC_ARRAY(mem_ctx
, char *, num_members
);
596 *name_types
= TALLOC_ARRAY(mem_ctx
, uint32
, num_members
);
597 sids
= TALLOC_ARRAY(tmp_ctx
, const DOM_SID
*, num_members
);
599 if (((*names
) == NULL
) || ((*name_types
) == NULL
) || (sids
== NULL
)) {
600 TALLOC_FREE(tmp_ctx
);
601 return NT_STATUS_NO_MEMORY
;
605 * Prepare an array of sid pointers for the lookup_sids calling
609 for (i
=0; i
<num_members
; i
++) {
610 sids
[i
] = &((*sid_mem
)[i
]);
613 result
= lookup_sids(tmp_ctx
, num_members
, sids
, 1,
614 &lsa_domains
, &lsa_names
);
615 if (!NT_STATUS_IS_OK(result
)) {
616 TALLOC_FREE(tmp_ctx
);
621 for (i
=0; i
<num_members
; i
++) {
622 if (lsa_names
[i
].type
!= SID_NAME_USER
) {
623 DEBUG(2, ("Got %s as group member -- ignoring\n",
624 sid_type_lookup(lsa_names
[i
].type
)));
627 if (!((*names
)[num_mapped
] = talloc_strdup((*names
),
628 lsa_names
[i
].name
))) {
629 TALLOC_FREE(tmp_ctx
);
630 return NT_STATUS_NO_MEMORY
;
633 (*name_types
)[num_mapped
] = lsa_names
[i
].type
;
638 *num_names
= num_mapped
;
640 TALLOC_FREE(tmp_ctx
);
644 /* get a list of trusted domains */
645 static NTSTATUS
sam_trusted_domains(struct winbindd_domain
*domain
,
647 struct netr_DomainTrustList
*trusts
)
650 struct trustdom_info
**domains
;
653 nt_status
= pdb_enum_trusteddoms(talloc_tos(), &trusts
->count
,
655 if (!NT_STATUS_IS_OK(nt_status
)) {
659 if (trusts
->count
== 0) {
660 trusts
->array
= NULL
;
664 trusts
->array
= talloc_zero_array(
665 mem_ctx
, struct netr_DomainTrust
, trusts
->count
);
666 if (trusts
->array
== NULL
) {
667 return NT_STATUS_NO_MEMORY
;
670 for (i
=0; i
<trusts
->count
; i
++) {
673 trusts
->array
[i
].netbios_name
= talloc_move(
674 trusts
->array
, &domains
[i
]->name
);
675 trusts
->array
[i
].dns_name
= NULL
;
677 sid
= talloc(trusts
->array
, struct dom_sid
);
679 return NT_STATUS_NO_MEMORY
;
681 sid_copy(sid
, &domains
[i
]->sid
);
682 trusts
->array
[i
].sid
= sid
;
687 /* the rpc backend methods are exposed via this structure */
688 struct winbindd_methods builtin_passdb_methods
= {
690 builtin_query_user_list
,
691 builtin_enum_dom_groups
,
703 builtin_trusted_domains
,
706 /* the rpc backend methods are exposed via this structure */
707 struct winbindd_methods sam_passdb_methods
= {