2 Unix SMB/CIFS implementation.
3 Password and authentication handling
4 Copyright (C) Andrew Bartlett 2002
5 Copyright (C) Jelmer Vernooij 2002
6 Copyright (C) Simo Sorce 2003
7 Copyright (C) Volker Lendecke 2006
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #define DBGC_CLASS DBGC_PASSDB
29 /* Cache of latest SAM lookup query */
31 static struct samu
*csamuser
= NULL
;
35 static struct pdb_init_function_entry
*backends
= NULL
;
37 static void lazy_initialize_passdb(void)
39 static BOOL initialized
= False
;
47 static BOOL
lookup_global_sam_rid(TALLOC_CTX
*mem_ctx
, uint32 rid
,
49 enum SID_NAME_USE
*psid_name_use
,
50 union unid_t
*unix_id
);
51 /*******************************************************************
52 Clean up uninitialised passwords. The only way to tell
53 that these values are not 'real' is that they do not
54 have a valid last set time. Instead, the value is fixed at 0.
55 Therefore we use that as the key for 'is this a valid password'.
56 However, it is perfectly valid to have a 'default' last change
57 time, such LDAP with a missing attribute would produce.
58 ********************************************************************/
60 static void pdb_force_pw_initialization(struct samu
*pass
)
62 const uint8
*lm_pwd
, *nt_pwd
;
64 /* only reset a password if the last set time has been
65 explicitly been set to zero. A default last set time
68 if ( (pdb_get_init_flags(pass
, PDB_PASSLASTSET
) != PDB_DEFAULT
)
69 && (pdb_get_pass_last_set_time(pass
) == 0) )
72 if (pdb_get_init_flags(pass
, PDB_LMPASSWD
) != PDB_DEFAULT
)
74 lm_pwd
= pdb_get_lanman_passwd(pass
);
76 pdb_set_lanman_passwd(pass
, NULL
, PDB_CHANGED
);
78 if (pdb_get_init_flags(pass
, PDB_NTPASSWD
) != PDB_DEFAULT
)
80 nt_pwd
= pdb_get_nt_passwd(pass
);
82 pdb_set_nt_passwd(pass
, NULL
, PDB_CHANGED
);
89 NTSTATUS
smb_register_passdb(int version
, const char *name
, pdb_init_function init
)
91 struct pdb_init_function_entry
*entry
= backends
;
93 if(version
!= PASSDB_INTERFACE_VERSION
) {
94 DEBUG(0,("Can't register passdb backend!\n"
95 "You tried to register a passdb module with PASSDB_INTERFACE_VERSION %d, "
96 "while this version of samba uses version %d\n",
97 version
,PASSDB_INTERFACE_VERSION
));
98 return NT_STATUS_OBJECT_TYPE_MISMATCH
;
101 if (!name
|| !init
) {
102 return NT_STATUS_INVALID_PARAMETER
;
105 DEBUG(5,("Attempting to register passdb backend %s\n", name
));
107 /* Check for duplicates */
108 if (pdb_find_backend_entry(name
)) {
109 DEBUG(0,("There already is a passdb backend registered with the name %s!\n", name
));
110 return NT_STATUS_OBJECT_NAME_COLLISION
;
113 entry
= SMB_XMALLOC_P(struct pdb_init_function_entry
);
114 entry
->name
= smb_xstrdup(name
);
117 DLIST_ADD(backends
, entry
);
118 DEBUG(5,("Successfully added passdb backend '%s'\n", name
));
122 struct pdb_init_function_entry
*pdb_find_backend_entry(const char *name
)
124 struct pdb_init_function_entry
*entry
= backends
;
127 if (strcmp(entry
->name
, name
)==0) return entry
;
134 /******************************************************************
135 Make a pdb_methods from scratch
136 *******************************************************************/
138 NTSTATUS
make_pdb_method_name(struct pdb_methods
**methods
, const char *selected
)
140 char *module_name
= smb_xstrdup(selected
);
141 char *module_location
= NULL
, *p
;
142 struct pdb_init_function_entry
*entry
;
143 NTSTATUS nt_status
= NT_STATUS_UNSUCCESSFUL
;
145 lazy_initialize_passdb();
147 p
= strchr(module_name
, ':');
151 module_location
= p
+1;
152 trim_char(module_location
, ' ', ' ');
155 trim_char(module_name
, ' ', ' ');
158 DEBUG(5,("Attempting to find an passdb backend to match %s (%s)\n", selected
, module_name
));
160 entry
= pdb_find_backend_entry(module_name
);
162 /* Try to find a module that contains this module */
164 DEBUG(2,("No builtin backend found, trying to load plugin\n"));
165 if(NT_STATUS_IS_OK(smb_probe_module("pdb", module_name
)) && !(entry
= pdb_find_backend_entry(module_name
))) {
166 DEBUG(0,("Plugin is available, but doesn't register passdb backend %s\n", module_name
));
167 SAFE_FREE(module_name
);
168 return NT_STATUS_UNSUCCESSFUL
;
172 /* No such backend found */
174 DEBUG(0,("No builtin nor plugin backend for %s found\n", module_name
));
175 SAFE_FREE(module_name
);
176 return NT_STATUS_INVALID_PARAMETER
;
179 DEBUG(5,("Found pdb backend %s\n", module_name
));
181 if ( !NT_STATUS_IS_OK( nt_status
= entry
->init(methods
, module_location
) ) ) {
182 DEBUG(0,("pdb backend %s did not correctly init (error was %s)\n",
183 selected
, nt_errstr(nt_status
)));
184 SAFE_FREE(module_name
);
188 SAFE_FREE(module_name
);
190 DEBUG(5,("pdb backend %s has a valid init\n", selected
));
195 /******************************************************************
196 Return an already initialised pdn_methods structure
197 *******************************************************************/
199 static struct pdb_methods
*pdb_get_methods_reload( BOOL reload
)
201 static struct pdb_methods
*pdb
= NULL
;
203 if ( pdb
&& reload
) {
204 pdb
->free_private_data( &(pdb
->private_data
) );
205 if ( !NT_STATUS_IS_OK( make_pdb_method_name( &pdb
, lp_passdb_backend() ) ) ) {
207 slprintf(msg
, sizeof(msg
)-1, "pdb_get_methods_reload: failed to get pdb methods for backend %s\n",
208 lp_passdb_backend() );
214 if ( !NT_STATUS_IS_OK( make_pdb_method_name( &pdb
, lp_passdb_backend() ) ) ) {
216 slprintf(msg
, sizeof(msg
)-1, "pdb_get_methods_reload: failed to get pdb methods for backend %s\n",
217 lp_passdb_backend() );
225 static struct pdb_methods
*pdb_get_methods(void)
227 return pdb_get_methods_reload(False
);
230 /******************************************************************
231 Backward compatibility functions for the original passdb interface
232 *******************************************************************/
234 BOOL
pdb_setsampwent(BOOL update
, uint16 acb_mask
)
236 struct pdb_methods
*pdb
= pdb_get_methods();
237 return NT_STATUS_IS_OK(pdb
->setsampwent(pdb
, update
, acb_mask
));
240 void pdb_endsampwent(void)
242 struct pdb_methods
*pdb
= pdb_get_methods();
243 pdb
->endsampwent(pdb
);
246 BOOL
pdb_getsampwent(struct samu
*user
)
248 struct pdb_methods
*pdb
= pdb_get_methods();
250 if ( !NT_STATUS_IS_OK(pdb
->getsampwent(pdb
, user
) ) ) {
253 pdb_force_pw_initialization( user
);
257 BOOL
pdb_getsampwnam(struct samu
*sam_acct
, const char *username
)
259 struct pdb_methods
*pdb
= pdb_get_methods();
261 if (!NT_STATUS_IS_OK(pdb
->getsampwnam(pdb
, sam_acct
, username
))) {
266 TALLOC_FREE(csamuser
);
269 pdb_force_pw_initialization( sam_acct
);
271 csamuser
= samu_new( NULL
);
276 if (!pdb_copy_sam_account(csamuser
, sam_acct
)) {
277 TALLOC_FREE(csamuser
);
284 /**********************************************************************
285 **********************************************************************/
287 BOOL
guest_user_info( struct samu
*user
)
291 const char *guestname
= lp_guestaccount();
293 if ( !(pwd
= getpwnam_alloc( NULL
, guestname
) ) ) {
294 DEBUG(0,("guest_user_info: Unable to locate guest account [%s]!\n",
299 result
= samu_set_unix(user
, pwd
);
303 return NT_STATUS_IS_OK( result
);
306 /**********************************************************************
307 **********************************************************************/
309 BOOL
pdb_getsampwsid(struct samu
*sam_acct
, const DOM_SID
*sid
)
311 struct pdb_methods
*pdb
= pdb_get_methods();
314 /* hard code the Guest RID of 501 */
316 if ( !sid_peek_check_rid( get_global_sam_sid(), sid
, &rid
) )
319 if ( rid
== DOMAIN_USER_RID_GUEST
) {
320 DEBUG(6,("pdb_getsampwsid: Building guest account\n"));
321 return guest_user_info( sam_acct
);
324 /* check the cache first */
326 if ( csamuser
&& sid_equal(sid
, pdb_get_user_sid(csamuser
) ) )
327 return pdb_copy_sam_account(sam_acct
, csamuser
);
329 return NT_STATUS_IS_OK(pdb
->getsampwsid(pdb
, sam_acct
, sid
));
332 static NTSTATUS
pdb_default_create_user(struct pdb_methods
*methods
,
333 TALLOC_CTX
*tmp_ctx
, const char *name
,
334 uint32 acb_info
, uint32
*rid
)
336 struct samu
*sam_pass
;
340 if ((sam_pass
= samu_new(tmp_ctx
)) == NULL
) {
341 return NT_STATUS_NO_MEMORY
;
344 if ( !(pwd
= Get_Pwnam_alloc(tmp_ctx
, name
)) ) {
348 if ((acb_info
& ACB_NORMAL
) && name
[strlen(name
)-1] != '$') {
349 pstrcpy(add_script
, lp_adduser_script());
351 pstrcpy(add_script
, lp_addmachine_script());
354 if (add_script
[0] == '\0') {
355 DEBUG(3, ("Could not find user %s and no add script "
357 return NT_STATUS_NO_SUCH_USER
;
360 all_string_sub(add_script
, "%u", name
, sizeof(add_script
));
361 add_ret
= smbrun(add_script
,NULL
);
362 DEBUG(add_ret
? 0 : 3, ("_samr_create_user: Running the command `%s' gave %d\n",
363 add_script
, add_ret
));
366 pwd
= Get_Pwnam_alloc(tmp_ctx
, name
);
369 /* we have a valid SID coming out of this call */
371 status
= samu_alloc_rid_unix( sam_pass
, pwd
);
375 if (!NT_STATUS_IS_OK(status
)) {
376 DEBUG(3, ("pdb_default_create_user: failed to create a new user structure: %s\n", nt_errstr(status
)));
380 if (!sid_peek_check_rid(get_global_sam_sid(),
381 pdb_get_user_sid(sam_pass
), rid
)) {
382 DEBUG(0, ("Could not get RID of fresh user\n"));
383 return NT_STATUS_INTERNAL_ERROR
;
386 /* Disable the account on creation, it does not have a reasonable password yet. */
388 acb_info
|= ACB_DISABLED
;
390 pdb_set_acct_ctrl(sam_pass
, acb_info
, PDB_CHANGED
);
392 status
= pdb_add_sam_account(sam_pass
);
394 TALLOC_FREE(sam_pass
);
399 NTSTATUS
pdb_create_user(TALLOC_CTX
*mem_ctx
, const char *name
, uint32 flags
,
402 struct pdb_methods
*pdb
= pdb_get_methods();
403 return pdb
->create_user(pdb
, mem_ctx
, name
, flags
, rid
);
406 /****************************************************************************
407 Delete a UNIX user on demand.
408 ****************************************************************************/
410 static int smb_delete_user(const char *unix_user
)
417 if ( strequal( unix_user
, "root" ) ) {
418 DEBUG(0,("smb_delete_user: Refusing to delete local system root account!\n"));
422 pstrcpy(del_script
, lp_deluser_script());
425 all_string_sub(del_script
, "%u", unix_user
, sizeof(del_script
));
426 ret
= smbrun(del_script
,NULL
);
428 DEBUG(ret
? 0 : 3,("smb_delete_user: Running the command `%s' gave %d\n",del_script
,ret
));
433 static NTSTATUS
pdb_default_delete_user(struct pdb_methods
*methods
,
435 struct samu
*sam_acct
)
439 status
= pdb_delete_sam_account(sam_acct
);
440 if (!NT_STATUS_IS_OK(status
)) {
445 * Now delete the unix side ....
446 * note: we don't check if the delete really happened as the script is
447 * not necessary present and maybe the sysadmin doesn't want to delete
450 smb_delete_user( pdb_get_username(sam_acct
) );
455 NTSTATUS
pdb_delete_user(TALLOC_CTX
*mem_ctx
, struct samu
*sam_acct
)
457 struct pdb_methods
*pdb
= pdb_get_methods();
460 /* sanity check to make sure we don't delete root */
462 if ( !sid_to_uid( pdb_get_user_sid(sam_acct
), &uid
) ) {
463 return NT_STATUS_NO_SUCH_USER
;
467 return NT_STATUS_ACCESS_DENIED
;
470 return pdb
->delete_user(pdb
, mem_ctx
, sam_acct
);
473 NTSTATUS
pdb_add_sam_account(struct samu
*sam_acct
)
475 struct pdb_methods
*pdb
= pdb_get_methods();
476 return pdb
->add_sam_account(pdb
, sam_acct
);
479 NTSTATUS
pdb_update_sam_account(struct samu
*sam_acct
)
481 struct pdb_methods
*pdb
= pdb_get_methods();
483 if (csamuser
!= NULL
) {
484 TALLOC_FREE(csamuser
);
488 return pdb
->update_sam_account(pdb
, sam_acct
);
491 NTSTATUS
pdb_delete_sam_account(struct samu
*sam_acct
)
493 struct pdb_methods
*pdb
= pdb_get_methods();
495 if (csamuser
!= NULL
) {
496 TALLOC_FREE(csamuser
);
500 return pdb
->delete_sam_account(pdb
, sam_acct
);
503 NTSTATUS
pdb_rename_sam_account(struct samu
*oldname
, const char *newname
)
505 struct pdb_methods
*pdb
= pdb_get_methods();
508 if (csamuser
!= NULL
) {
509 TALLOC_FREE(csamuser
);
513 /* sanity check to make sure we don't rename root */
515 if ( !sid_to_uid( pdb_get_user_sid(oldname
), &uid
) ) {
516 return NT_STATUS_NO_SUCH_USER
;
520 return NT_STATUS_ACCESS_DENIED
;
523 return pdb
->rename_sam_account(pdb
, oldname
, newname
);
526 NTSTATUS
pdb_update_login_attempts(struct samu
*sam_acct
, BOOL success
)
528 struct pdb_methods
*pdb
= pdb_get_methods();
529 return pdb
->update_login_attempts(pdb
, sam_acct
, success
);
532 BOOL
pdb_getgrsid(GROUP_MAP
*map
, DOM_SID sid
)
534 struct pdb_methods
*pdb
= pdb_get_methods();
535 return NT_STATUS_IS_OK(pdb
->getgrsid(pdb
, map
, sid
));
538 BOOL
pdb_getgrgid(GROUP_MAP
*map
, gid_t gid
)
540 struct pdb_methods
*pdb
= pdb_get_methods();
541 return NT_STATUS_IS_OK(pdb
->getgrgid(pdb
, map
, gid
));
544 BOOL
pdb_getgrnam(GROUP_MAP
*map
, const char *name
)
546 struct pdb_methods
*pdb
= pdb_get_methods();
547 return NT_STATUS_IS_OK(pdb
->getgrnam(pdb
, map
, name
));
550 static NTSTATUS
pdb_default_create_dom_group(struct pdb_methods
*methods
,
558 grp
= getgrnam(name
);
563 if (smb_create_group(name
, &gid
) != 0) {
564 return NT_STATUS_ACCESS_DENIED
;
571 return NT_STATUS_ACCESS_DENIED
;
574 if (pdb_rid_algorithm()) {
575 *rid
= pdb_gid_to_group_rid( grp
->gr_gid
);
577 if (!pdb_new_rid(rid
)) {
578 return NT_STATUS_ACCESS_DENIED
;
582 sid_compose(&group_sid
, get_global_sam_sid(), *rid
);
584 return add_initial_entry(grp
->gr_gid
, sid_string_static(&group_sid
),
585 SID_NAME_DOM_GRP
, name
, NULL
);
588 NTSTATUS
pdb_create_dom_group(TALLOC_CTX
*mem_ctx
, const char *name
,
591 struct pdb_methods
*pdb
= pdb_get_methods();
592 return pdb
->create_dom_group(pdb
, mem_ctx
, name
, rid
);
595 static NTSTATUS
pdb_default_delete_dom_group(struct pdb_methods
*methods
,
603 const char *grp_name
;
605 sid_compose(&group_sid
, get_global_sam_sid(), rid
);
607 if (!get_domain_group_from_sid(group_sid
, &map
)) {
608 DEBUG(10, ("Could not find group for rid %d\n", rid
));
609 return NT_STATUS_NO_SUCH_GROUP
;
612 /* We need the group name for the smb_delete_group later on */
614 if (map
.gid
== (gid_t
)-1) {
615 return NT_STATUS_NO_SUCH_GROUP
;
618 grp
= getgrgid(map
.gid
);
620 return NT_STATUS_NO_SUCH_GROUP
;
623 /* Copy the name, no idea what pdb_delete_group_mapping_entry does.. */
625 grp_name
= talloc_strdup(mem_ctx
, grp
->gr_name
);
626 if (grp_name
== NULL
) {
627 return NT_STATUS_NO_MEMORY
;
630 status
= pdb_delete_group_mapping_entry(group_sid
);
632 if (!NT_STATUS_IS_OK(status
)) {
636 /* Don't check the result of smb_delete_group */
638 smb_delete_group(grp_name
);
643 NTSTATUS
pdb_delete_dom_group(TALLOC_CTX
*mem_ctx
, uint32 rid
)
645 struct pdb_methods
*pdb
= pdb_get_methods();
646 return pdb
->delete_dom_group(pdb
, mem_ctx
, rid
);
649 NTSTATUS
pdb_add_group_mapping_entry(GROUP_MAP
*map
)
651 struct pdb_methods
*pdb
= pdb_get_methods();
652 return pdb
->add_group_mapping_entry(pdb
, map
);
655 NTSTATUS
pdb_update_group_mapping_entry(GROUP_MAP
*map
)
657 struct pdb_methods
*pdb
= pdb_get_methods();
658 return pdb
->update_group_mapping_entry(pdb
, map
);
661 NTSTATUS
pdb_delete_group_mapping_entry(DOM_SID sid
)
663 struct pdb_methods
*pdb
= pdb_get_methods();
664 return pdb
->delete_group_mapping_entry(pdb
, sid
);
667 BOOL
pdb_enum_group_mapping(const DOM_SID
*sid
, enum SID_NAME_USE sid_name_use
, GROUP_MAP
**pp_rmap
,
668 size_t *p_num_entries
, BOOL unix_only
)
670 struct pdb_methods
*pdb
= pdb_get_methods();
671 return NT_STATUS_IS_OK(pdb
-> enum_group_mapping(pdb
, sid
, sid_name_use
,
672 pp_rmap
, p_num_entries
, unix_only
));
675 NTSTATUS
pdb_enum_group_members(TALLOC_CTX
*mem_ctx
,
677 uint32
**pp_member_rids
,
678 size_t *p_num_members
)
680 struct pdb_methods
*pdb
= pdb_get_methods();
683 result
= pdb
->enum_group_members(pdb
, mem_ctx
,
684 sid
, pp_member_rids
, p_num_members
);
686 /* special check for rid 513 */
688 if ( !NT_STATUS_IS_OK( result
) ) {
691 sid_peek_rid( sid
, &rid
);
693 if ( rid
== DOMAIN_GROUP_RID_USERS
) {
695 *pp_member_rids
= NULL
;
704 NTSTATUS
pdb_enum_group_memberships(TALLOC_CTX
*mem_ctx
, struct samu
*user
,
705 DOM_SID
**pp_sids
, gid_t
**pp_gids
,
706 size_t *p_num_groups
)
708 struct pdb_methods
*pdb
= pdb_get_methods();
709 return pdb
->enum_group_memberships(
711 pp_sids
, pp_gids
, p_num_groups
);
714 static NTSTATUS
pdb_default_set_unix_primary_group(struct pdb_methods
*methods
,
716 struct samu
*sampass
)
721 if (!sid_to_gid(pdb_get_group_sid(sampass
), &gid
) ||
722 (grp
= getgrgid(gid
)) == NULL
) {
723 return NT_STATUS_INVALID_PRIMARY_GROUP
;
726 if (smb_set_primary_group(grp
->gr_name
,
727 pdb_get_username(sampass
)) != 0) {
728 return NT_STATUS_ACCESS_DENIED
;
734 NTSTATUS
pdb_set_unix_primary_group(TALLOC_CTX
*mem_ctx
, struct samu
*user
)
736 struct pdb_methods
*pdb
= pdb_get_methods();
737 return pdb
->set_unix_primary_group(pdb
, mem_ctx
, user
);
741 * Helper function to see whether a user is in a group. We can't use
742 * user_in_group_sid here because this creates dependencies only smbd can
746 static BOOL
pdb_user_in_group(TALLOC_CTX
*mem_ctx
, struct samu
*account
,
747 const DOM_SID
*group_sid
)
751 size_t i
, num_groups
;
753 if (!NT_STATUS_IS_OK(pdb_enum_group_memberships(mem_ctx
, account
,
759 for (i
=0; i
<num_groups
; i
++) {
760 if (sid_equal(group_sid
, &sids
[i
])) {
767 static NTSTATUS
pdb_default_add_groupmem(struct pdb_methods
*methods
,
772 DOM_SID group_sid
, member_sid
;
773 struct samu
*account
= NULL
;
777 const char *group_name
;
780 sid_compose(&group_sid
, get_global_sam_sid(), group_rid
);
781 sid_compose(&member_sid
, get_global_sam_sid(), member_rid
);
783 if (!get_domain_group_from_sid(group_sid
, &map
) ||
784 (map
.gid
== (gid_t
)-1) ||
785 ((grp
= getgrgid(map
.gid
)) == NULL
)) {
786 return NT_STATUS_NO_SUCH_GROUP
;
789 group_name
= talloc_strdup(mem_ctx
, grp
->gr_name
);
790 if (group_name
== NULL
) {
791 return NT_STATUS_NO_MEMORY
;
794 if ( !(account
= samu_new( NULL
)) ) {
795 return NT_STATUS_NO_MEMORY
;
798 if (!pdb_getsampwsid(account
, &member_sid
) ||
799 !sid_to_uid(&member_sid
, &uid
) ||
800 ((pwd
= getpwuid_alloc(mem_ctx
, uid
)) == NULL
)) {
801 return NT_STATUS_NO_SUCH_USER
;
804 if (pdb_user_in_group(mem_ctx
, account
, &group_sid
)) {
805 return NT_STATUS_MEMBER_IN_GROUP
;
809 * ok, the group exist, the user exist, the user is not in the group,
810 * we can (finally) add it to the group !
813 smb_add_user_group(group_name
, pwd
->pw_name
);
815 if (!pdb_user_in_group(mem_ctx
, account
, &group_sid
)) {
816 return NT_STATUS_ACCESS_DENIED
;
822 NTSTATUS
pdb_add_groupmem(TALLOC_CTX
*mem_ctx
, uint32 group_rid
,
825 struct pdb_methods
*pdb
= pdb_get_methods();
826 return pdb
->add_groupmem(pdb
, mem_ctx
, group_rid
, member_rid
);
829 static NTSTATUS
pdb_default_del_groupmem(struct pdb_methods
*methods
,
834 DOM_SID group_sid
, member_sid
;
835 struct samu
*account
= NULL
;
839 const char *group_name
;
842 sid_compose(&group_sid
, get_global_sam_sid(), group_rid
);
843 sid_compose(&member_sid
, get_global_sam_sid(), member_rid
);
845 if (!get_domain_group_from_sid(group_sid
, &map
) ||
846 (map
.gid
== (gid_t
)-1) ||
847 ((grp
= getgrgid(map
.gid
)) == NULL
)) {
848 return NT_STATUS_NO_SUCH_GROUP
;
851 group_name
= talloc_strdup(mem_ctx
, grp
->gr_name
);
852 if (group_name
== NULL
) {
853 return NT_STATUS_NO_MEMORY
;
856 if ( !(account
= samu_new( NULL
)) ) {
857 return NT_STATUS_NO_MEMORY
;
860 if (!pdb_getsampwsid(account
, &member_sid
) ||
861 !sid_to_uid(&member_sid
, &uid
) ||
862 ((pwd
= getpwuid_alloc(mem_ctx
, uid
)) == NULL
)) {
863 return NT_STATUS_NO_SUCH_USER
;
866 if (!pdb_user_in_group(mem_ctx
, account
, &group_sid
)) {
867 return NT_STATUS_MEMBER_NOT_IN_GROUP
;
871 * ok, the group exist, the user exist, the user is in the group,
872 * we can (finally) delete it from the group!
875 smb_delete_user_group(group_name
, pwd
->pw_name
);
877 if (pdb_user_in_group(mem_ctx
, account
, &group_sid
)) {
878 return NT_STATUS_ACCESS_DENIED
;
884 NTSTATUS
pdb_del_groupmem(TALLOC_CTX
*mem_ctx
, uint32 group_rid
,
887 struct pdb_methods
*pdb
= pdb_get_methods();
888 return pdb
->del_groupmem(pdb
, mem_ctx
, group_rid
, member_rid
);
891 BOOL
pdb_find_alias(const char *name
, DOM_SID
*sid
)
893 struct pdb_methods
*pdb
= pdb_get_methods();
894 return NT_STATUS_IS_OK(pdb
->find_alias(pdb
, name
, sid
));
897 NTSTATUS
pdb_create_alias(const char *name
, uint32
*rid
)
899 struct pdb_methods
*pdb
= pdb_get_methods();
900 return pdb
->create_alias(pdb
, name
, rid
);
903 BOOL
pdb_delete_alias(const DOM_SID
*sid
)
905 struct pdb_methods
*pdb
= pdb_get_methods();
906 return NT_STATUS_IS_OK(pdb
->delete_alias(pdb
, sid
));
910 BOOL
pdb_get_aliasinfo(const DOM_SID
*sid
, struct acct_info
*info
)
912 struct pdb_methods
*pdb
= pdb_get_methods();
913 return NT_STATUS_IS_OK(pdb
->get_aliasinfo(pdb
, sid
, info
));
916 BOOL
pdb_set_aliasinfo(const DOM_SID
*sid
, struct acct_info
*info
)
918 struct pdb_methods
*pdb
= pdb_get_methods();
919 return NT_STATUS_IS_OK(pdb
->set_aliasinfo(pdb
, sid
, info
));
922 NTSTATUS
pdb_add_aliasmem(const DOM_SID
*alias
, const DOM_SID
*member
)
924 struct pdb_methods
*pdb
= pdb_get_methods();
925 return pdb
->add_aliasmem(pdb
, alias
, member
);
928 NTSTATUS
pdb_del_aliasmem(const DOM_SID
*alias
, const DOM_SID
*member
)
930 struct pdb_methods
*pdb
= pdb_get_methods();
931 return pdb
->del_aliasmem(pdb
, alias
, member
);
934 NTSTATUS
pdb_enum_aliasmem(const DOM_SID
*alias
,
935 DOM_SID
**pp_members
, size_t *p_num_members
)
937 struct pdb_methods
*pdb
= pdb_get_methods();
938 return pdb
->enum_aliasmem(pdb
, alias
, pp_members
, p_num_members
);
941 NTSTATUS
pdb_enum_alias_memberships(TALLOC_CTX
*mem_ctx
,
942 const DOM_SID
*domain_sid
,
943 const DOM_SID
*members
, size_t num_members
,
944 uint32
**pp_alias_rids
,
945 size_t *p_num_alias_rids
)
947 struct pdb_methods
*pdb
= pdb_get_methods();
948 return pdb
->enum_alias_memberships(pdb
, mem_ctx
,
950 members
, num_members
,
955 NTSTATUS
pdb_lookup_rids(const DOM_SID
*domain_sid
,
961 struct pdb_methods
*pdb
= pdb_get_methods();
962 return pdb
->lookup_rids(pdb
, domain_sid
,
963 num_rids
, rids
, names
, attrs
);
966 NTSTATUS
pdb_lookup_names(const DOM_SID
*domain_sid
,
972 struct pdb_methods
*pdb
= pdb_get_methods();
973 return pdb
->lookup_names(pdb
, domain_sid
,
974 num_names
, names
, rids
, attrs
);
977 BOOL
pdb_get_account_policy(int policy_index
, uint32
*value
)
979 struct pdb_methods
*pdb
= pdb_get_methods();
980 return NT_STATUS_IS_OK(pdb
->get_account_policy(pdb
, policy_index
, value
));
983 BOOL
pdb_set_account_policy(int policy_index
, uint32 value
)
985 struct pdb_methods
*pdb
= pdb_get_methods();
986 return NT_STATUS_IS_OK(pdb
->set_account_policy(pdb
, policy_index
, value
));
989 BOOL
pdb_get_seq_num(time_t *seq_num
)
991 struct pdb_methods
*pdb
= pdb_get_methods();
992 return NT_STATUS_IS_OK(pdb
->get_seq_num(pdb
, seq_num
));
995 BOOL
pdb_uid_to_rid(uid_t uid
, uint32
*rid
)
997 struct pdb_methods
*pdb
= pdb_get_methods();
998 return pdb
->uid_to_rid(pdb
, uid
, rid
);
1001 BOOL
pdb_gid_to_sid(gid_t gid
, DOM_SID
*sid
)
1003 struct pdb_methods
*pdb
= pdb_get_methods();
1004 return pdb
->gid_to_sid(pdb
, gid
, sid
);
1007 BOOL
pdb_sid_to_id(const DOM_SID
*sid
, union unid_t
*id
,
1008 enum SID_NAME_USE
*type
)
1010 struct pdb_methods
*pdb
= pdb_get_methods();
1011 return pdb
->sid_to_id(pdb
, sid
, id
, type
);
1014 BOOL
pdb_rid_algorithm(void)
1016 struct pdb_methods
*pdb
= pdb_get_methods();
1017 return pdb
->rid_algorithm(pdb
);
1020 /********************************************************************
1021 Allocate a new RID from the passdb backend. Verify that it is free
1022 by calling lookup_global_sam_rid() to verify that the RID is not
1023 in use. This handles servers that have existing users or groups
1024 with add RIDs (assigned from previous algorithmic mappings)
1025 ********************************************************************/
1027 BOOL
pdb_new_rid(uint32
*rid
)
1029 struct pdb_methods
*pdb
= pdb_get_methods();
1030 const char *name
= NULL
;
1031 enum SID_NAME_USE type
;
1032 uint32 allocated_rid
= 0;
1036 if (pdb_rid_algorithm()) {
1037 DEBUG(0, ("Trying to allocate a RID when algorithmic RIDs "
1042 if (algorithmic_rid_base() != BASE_RID
) {
1043 DEBUG(0, ("'algorithmic rid base' is set but a passdb backend "
1044 "without algorithmic RIDs is chosen.\n"));
1045 DEBUGADD(0, ("Please map all used groups using 'net groupmap "
1046 "add', set the maximum used RID using\n"));
1047 DEBUGADD(0, ("'net setmaxrid' and remove the parameter\n"));
1051 if ( (ctx
= talloc_init("pdb_new_rid")) == NULL
) {
1052 DEBUG(0,("pdb_new_rid: Talloc initialization failure\n"));
1056 /* Attempt to get an unused RID (max tires is 250...yes that it is
1057 and arbitrary number I pulkled out of my head). -- jerry */
1059 for ( i
=0; allocated_rid
==0 && i
<250; i
++ ) {
1062 if ( !pdb
->new_rid(pdb
, &allocated_rid
) ) {
1066 /* validate that the RID is not in use */
1068 if ( lookup_global_sam_rid( ctx
, allocated_rid
, &name
, &type
, NULL
) ) {
1075 if ( allocated_rid
== 0 ) {
1076 DEBUG(0,("pdb_new_rid: Failed to find unused RID\n"));
1080 *rid
= allocated_rid
;
1085 /***************************************************************
1086 Initialize the static context (at smbd startup etc).
1088 If uninitialised, context will auto-init on first use.
1089 ***************************************************************/
1091 BOOL
initialize_password_db(BOOL reload
)
1093 return (pdb_get_methods_reload(reload
) != NULL
);
1097 /***************************************************************************
1098 Default implementations of some functions.
1099 ****************************************************************************/
1101 static NTSTATUS
pdb_default_getsampwnam (struct pdb_methods
*methods
, struct samu
*user
, const char *sname
)
1103 return NT_STATUS_NO_SUCH_USER
;
1106 static NTSTATUS
pdb_default_getsampwsid(struct pdb_methods
*my_methods
, struct samu
* user
, const DOM_SID
*sid
)
1108 return NT_STATUS_NO_SUCH_USER
;
1111 static NTSTATUS
pdb_default_add_sam_account (struct pdb_methods
*methods
, struct samu
*newpwd
)
1113 return NT_STATUS_NOT_IMPLEMENTED
;
1116 static NTSTATUS
pdb_default_update_sam_account (struct pdb_methods
*methods
, struct samu
*newpwd
)
1118 return NT_STATUS_NOT_IMPLEMENTED
;
1121 static NTSTATUS
pdb_default_delete_sam_account (struct pdb_methods
*methods
, struct samu
*pwd
)
1123 return NT_STATUS_NOT_IMPLEMENTED
;
1126 static NTSTATUS
pdb_default_rename_sam_account (struct pdb_methods
*methods
, struct samu
*pwd
, const char *newname
)
1128 return NT_STATUS_NOT_IMPLEMENTED
;
1131 static NTSTATUS
pdb_default_update_login_attempts (struct pdb_methods
*methods
, struct samu
*newpwd
, BOOL success
)
1133 return NT_STATUS_OK
;
1136 static NTSTATUS
pdb_default_setsampwent(struct pdb_methods
*methods
, BOOL update
, uint32 acb_mask
)
1138 return NT_STATUS_NOT_IMPLEMENTED
;
1141 static NTSTATUS
pdb_default_getsampwent(struct pdb_methods
*methods
, struct samu
*user
)
1143 return NT_STATUS_NOT_IMPLEMENTED
;
1146 static void pdb_default_endsampwent(struct pdb_methods
*methods
)
1148 return; /* NT_STATUS_NOT_IMPLEMENTED; */
1151 static NTSTATUS
pdb_default_get_account_policy(struct pdb_methods
*methods
, int policy_index
, uint32
*value
)
1153 return account_policy_get(policy_index
, value
) ? NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
1156 static NTSTATUS
pdb_default_set_account_policy(struct pdb_methods
*methods
, int policy_index
, uint32 value
)
1158 return account_policy_set(policy_index
, value
) ? NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
1161 static NTSTATUS
pdb_default_get_seq_num(struct pdb_methods
*methods
, time_t *seq_num
)
1163 *seq_num
= time(NULL
);
1164 return NT_STATUS_OK
;
1167 static BOOL
pdb_default_uid_to_rid(struct pdb_methods
*methods
, uid_t uid
,
1170 struct samu
*sampw
= NULL
;
1171 struct passwd
*unix_pw
;
1174 unix_pw
= sys_getpwuid( uid
);
1177 DEBUG(4,("pdb_default_uid_to_rid: host has no idea of uid "
1178 "%lu\n", (unsigned long)uid
));
1182 if ( !(sampw
= samu_new( NULL
)) ) {
1183 DEBUG(0,("pdb_default_uid_to_rid: samu_new() failed!\n"));
1188 ret
= NT_STATUS_IS_OK(
1189 methods
->getsampwnam(methods
, sampw
, unix_pw
->pw_name
));
1193 DEBUG(5, ("pdb_default_uid_to_rid: Did not find user "
1194 "%s (%d)\n", unix_pw
->pw_name
, uid
));
1199 ret
= sid_peek_check_rid(get_global_sam_sid(),
1200 pdb_get_user_sid(sampw
), rid
);
1203 DEBUG(1, ("Could not peek rid out of sid %s\n",
1204 sid_string_static(pdb_get_user_sid(sampw
))));
1211 static BOOL
pdb_default_gid_to_sid(struct pdb_methods
*methods
, gid_t gid
,
1216 if (!NT_STATUS_IS_OK(methods
->getgrgid(methods
, &map
, gid
))) {
1220 sid_copy(sid
, &map
.sid
);
1224 static BOOL
pdb_default_sid_to_id(struct pdb_methods
*methods
,
1226 union unid_t
*id
, enum SID_NAME_USE
*type
)
1228 TALLOC_CTX
*mem_ctx
;
1233 mem_ctx
= talloc_new(NULL
);
1235 if (mem_ctx
== NULL
) {
1236 DEBUG(0, ("talloc_new failed\n"));
1240 if (sid_peek_check_rid(get_global_sam_sid(), sid
, &rid
)) {
1241 /* Here we might have users as well as groups and aliases */
1242 ret
= lookup_global_sam_rid(mem_ctx
, rid
, &name
, type
, id
);
1246 if (sid_peek_check_rid(&global_sid_Builtin
, sid
, &rid
)) {
1247 /* Here we only have aliases */
1249 if (!NT_STATUS_IS_OK(methods
->getgrsid(methods
, &map
, *sid
))) {
1250 DEBUG(10, ("Could not find map for sid %s\n",
1251 sid_string_static(sid
)));
1254 if ((map
.sid_name_use
!= SID_NAME_ALIAS
) &&
1255 (map
.sid_name_use
!= SID_NAME_WKN_GRP
)) {
1256 DEBUG(10, ("Map for sid %s is a %s, expected an "
1257 "alias\n", sid_string_static(sid
),
1258 sid_type_lookup(map
.sid_name_use
)));
1263 *type
= SID_NAME_ALIAS
;
1268 DEBUG(5, ("Sid %s is neither ours nor builtin, don't know it\n",
1269 sid_string_static(sid
)));
1273 TALLOC_FREE(mem_ctx
);
1277 static void add_uid_to_array_unique(TALLOC_CTX
*mem_ctx
,
1278 uid_t uid
, uid_t
**pp_uids
, size_t *p_num
)
1282 for (i
=0; i
<*p_num
; i
++) {
1283 if ((*pp_uids
)[i
] == uid
)
1287 *pp_uids
= TALLOC_REALLOC_ARRAY(mem_ctx
, *pp_uids
, uid_t
, *p_num
+1);
1289 if (*pp_uids
== NULL
)
1292 (*pp_uids
)[*p_num
] = uid
;
1296 static BOOL
get_memberuids(TALLOC_CTX
*mem_ctx
, gid_t gid
, uid_t
**pp_uids
, size_t *p_num
)
1306 /* We only look at our own sam, so don't care about imported stuff */
1308 winbindd_env
= getenv(WINBINDD_DONT_ENV
);
1311 if ((grp
= getgrgid(gid
)) == NULL
) {
1312 /* allow winbindd lookups, but only if they weren't already disabled */
1313 if ( !(winbindd_env
&& strequal(winbindd_env
, "1")) ) {
1320 /* Primary group members */
1323 while ((pwd
= getpwent()) != NULL
) {
1324 if (pwd
->pw_gid
== gid
) {
1325 add_uid_to_array_unique(mem_ctx
, pwd
->pw_uid
,
1331 /* Secondary group members */
1333 for (gr
= grp
->gr_mem
; (*gr
!= NULL
) && ((*gr
)[0] != '\0'); gr
+= 1) {
1334 struct passwd
*pw
= getpwnam(*gr
);
1338 add_uid_to_array_unique(mem_ctx
, pw
->pw_uid
, pp_uids
, p_num
);
1341 /* allow winbindd lookups, but only if they weren't already disabled */
1343 if ( !(winbindd_env
&& strequal(winbindd_env
, "1")) ) {
1350 NTSTATUS
pdb_default_enum_group_members(struct pdb_methods
*methods
,
1351 TALLOC_CTX
*mem_ctx
,
1352 const DOM_SID
*group
,
1353 uint32
**pp_member_rids
,
1354 size_t *p_num_members
)
1360 *pp_member_rids
= NULL
;
1363 if (!sid_to_gid(group
, &gid
))
1364 return NT_STATUS_NO_SUCH_GROUP
;
1366 if(!get_memberuids(mem_ctx
, gid
, &uids
, &num_uids
))
1367 return NT_STATUS_NO_SUCH_GROUP
;
1370 return NT_STATUS_OK
;
1372 *pp_member_rids
= TALLOC_ZERO_ARRAY(mem_ctx
, uint32
, num_uids
);
1374 for (i
=0; i
<num_uids
; i
++) {
1377 uid_to_sid(&sid
, uids
[i
]);
1379 if (!sid_check_is_in_our_domain(&sid
)) {
1380 DEBUG(5, ("Inconsistent SAM -- group member uid not "
1381 "in our domain\n"));
1385 sid_peek_rid(&sid
, &(*pp_member_rids
)[*p_num_members
]);
1386 *p_num_members
+= 1;
1389 return NT_STATUS_OK
;
1392 NTSTATUS
pdb_default_enum_group_memberships(struct pdb_methods
*methods
,
1393 TALLOC_CTX
*mem_ctx
,
1397 size_t *p_num_groups
)
1402 const char *username
= pdb_get_username(user
);
1405 /* Ignore the primary group SID. Honor the real Unix primary group.
1406 The primary group SID is only of real use to Windows clients */
1408 if ( !(pw
= getpwnam_alloc(mem_ctx
, username
)) ) {
1409 return NT_STATUS_NO_SUCH_USER
;
1416 if (!getgroups_unix_user(mem_ctx
, username
, gid
, pp_gids
, p_num_groups
)) {
1417 return NT_STATUS_NO_SUCH_USER
;
1420 if (*p_num_groups
== 0) {
1421 smb_panic("primary group missing");
1424 *pp_sids
= TALLOC_ARRAY(mem_ctx
, DOM_SID
, *p_num_groups
);
1426 if (*pp_sids
== NULL
) {
1427 TALLOC_FREE(*pp_gids
);
1428 return NT_STATUS_NO_MEMORY
;
1431 for (i
=0; i
<*p_num_groups
; i
++) {
1432 gid_to_sid(&(*pp_sids
)[i
], (*pp_gids
)[i
]);
1435 return NT_STATUS_OK
;
1438 /*******************************************************************
1439 Look up a rid in the SAM we're responsible for (i.e. passdb)
1440 ********************************************************************/
1442 static BOOL
lookup_global_sam_rid(TALLOC_CTX
*mem_ctx
, uint32 rid
,
1444 enum SID_NAME_USE
*psid_name_use
,
1445 union unid_t
*unix_id
)
1447 struct samu
*sam_account
= NULL
;
1452 *psid_name_use
= SID_NAME_UNKNOWN
;
1454 DEBUG(5,("lookup_global_sam_rid: looking up RID %u.\n",
1455 (unsigned int)rid
));
1457 sid_copy(&sid
, get_global_sam_sid());
1458 sid_append_rid(&sid
, rid
);
1460 /* see if the passdb can help us with the name of the user */
1462 if ( !(sam_account
= samu_new( NULL
)) ) {
1466 /* BEING ROOT BLLOCK */
1468 if (pdb_getsampwsid(sam_account
, &sid
)) {
1471 unbecome_root(); /* -----> EXIT BECOME_ROOT() */
1472 *name
= talloc_strdup(mem_ctx
, pdb_get_username(sam_account
));
1474 TALLOC_FREE(sam_account
);
1478 *psid_name_use
= SID_NAME_USER
;
1480 TALLOC_FREE(sam_account
);
1482 if (unix_id
== NULL
) {
1486 pw
= Get_Pwnam(*name
);
1490 unix_id
->uid
= pw
->pw_uid
;
1493 TALLOC_FREE(sam_account
);
1495 ret
= pdb_getgrsid(&map
, sid
);
1497 /* END BECOME_ROOT BLOCK */
1499 /* do not resolve SIDs to a name unless there is a valid
1500 gid associated with it */
1502 if ( ret
&& (map
.gid
!= (gid_t
)-1) ) {
1503 *name
= talloc_strdup(mem_ctx
, map
.nt_name
);
1504 *psid_name_use
= map
.sid_name_use
;
1507 unix_id
->gid
= map
.gid
;
1513 /* Windows will always map RID 513 to something. On a non-domain
1514 controller, this gets mapped to SERVER\None. */
1517 DEBUG(5, ("Can't find a unix id for an unmapped group\n"));
1521 if ( rid
== DOMAIN_GROUP_RID_USERS
) {
1522 *name
= talloc_strdup(mem_ctx
, "None" );
1523 *psid_name_use
= SID_NAME_DOM_GRP
;
1531 NTSTATUS
pdb_default_lookup_rids(struct pdb_methods
*methods
,
1532 const DOM_SID
*domain_sid
,
1540 BOOL have_mapped
= False
;
1541 BOOL have_unmapped
= False
;
1543 if (sid_check_is_builtin(domain_sid
)) {
1545 for (i
=0; i
<num_rids
; i
++) {
1548 if (lookup_builtin_rid(names
, rids
[i
], &name
)) {
1549 attrs
[i
] = SID_NAME_ALIAS
;
1551 DEBUG(5,("lookup_rids: %s:%d\n",
1552 names
[i
], attrs
[i
]));
1555 have_unmapped
= True
;
1556 attrs
[i
] = SID_NAME_UNKNOWN
;
1562 /* Should not happen, but better check once too many */
1563 if (!sid_check_is_domain(domain_sid
)) {
1564 return NT_STATUS_INVALID_HANDLE
;
1567 for (i
= 0; i
< num_rids
; i
++) {
1570 if (lookup_global_sam_rid(names
, rids
[i
], &name
, &attrs
[i
],
1573 return NT_STATUS_NO_MEMORY
;
1576 DEBUG(5,("lookup_rids: %s:%d\n", names
[i
], attrs
[i
]));
1579 have_unmapped
= True
;
1580 attrs
[i
] = SID_NAME_UNKNOWN
;
1586 result
= NT_STATUS_NONE_MAPPED
;
1589 result
= have_unmapped
? STATUS_SOME_UNMAPPED
: NT_STATUS_OK
;
1594 NTSTATUS
pdb_default_lookup_names(struct pdb_methods
*methods
,
1595 const DOM_SID
*domain_sid
,
1603 BOOL have_mapped
= False
;
1604 BOOL have_unmapped
= False
;
1606 if (sid_check_is_builtin(domain_sid
)) {
1608 for (i
=0; i
<num_names
; i
++) {
1611 if (lookup_builtin_name(names
[i
], &rid
)) {
1612 attrs
[i
] = SID_NAME_ALIAS
;
1614 DEBUG(5,("lookup_rids: %s:%d\n",
1615 names
[i
], attrs
[i
]));
1618 have_unmapped
= True
;
1619 attrs
[i
] = SID_NAME_UNKNOWN
;
1625 /* Should not happen, but better check once too many */
1626 if (!sid_check_is_domain(domain_sid
)) {
1627 return NT_STATUS_INVALID_HANDLE
;
1630 for (i
= 0; i
< num_names
; i
++) {
1631 if (lookup_global_sam_name(names
[i
], 0, &rids
[i
], &attrs
[i
])) {
1632 DEBUG(5,("lookup_names: %s-> %d:%d\n", names
[i
],
1633 rids
[i
], attrs
[i
]));
1636 have_unmapped
= True
;
1637 attrs
[i
] = SID_NAME_UNKNOWN
;
1643 result
= NT_STATUS_NONE_MAPPED
;
1646 result
= have_unmapped
? STATUS_SOME_UNMAPPED
: NT_STATUS_OK
;
1651 static struct pdb_search
*pdb_search_init(enum pdb_search_type type
)
1653 TALLOC_CTX
*mem_ctx
;
1654 struct pdb_search
*result
;
1656 mem_ctx
= talloc_init("pdb_search");
1657 if (mem_ctx
== NULL
) {
1658 DEBUG(0, ("talloc_init failed\n"));
1662 result
= TALLOC_P(mem_ctx
, struct pdb_search
);
1663 if (result
== NULL
) {
1664 DEBUG(0, ("talloc failed\n"));
1668 result
->mem_ctx
= mem_ctx
;
1669 result
->type
= type
;
1670 result
->cache
= NULL
;
1671 result
->num_entries
= 0;
1672 result
->cache_size
= 0;
1673 result
->search_ended
= False
;
1675 /* Segfault appropriately if not initialized */
1676 result
->next_entry
= NULL
;
1677 result
->search_end
= NULL
;
1682 static void fill_displayentry(TALLOC_CTX
*mem_ctx
, uint32 rid
,
1684 const char *account_name
,
1685 const char *fullname
,
1686 const char *description
,
1687 struct samr_displayentry
*entry
)
1690 entry
->acct_flags
= acct_flags
;
1692 if (account_name
!= NULL
)
1693 entry
->account_name
= talloc_strdup(mem_ctx
, account_name
);
1695 entry
->account_name
= "";
1697 if (fullname
!= NULL
)
1698 entry
->fullname
= talloc_strdup(mem_ctx
, fullname
);
1700 entry
->fullname
= "";
1702 if (description
!= NULL
)
1703 entry
->description
= talloc_strdup(mem_ctx
, description
);
1705 entry
->description
= "";
1708 static BOOL user_search_in_progress
= False
;
1709 struct user_search
{
1713 static BOOL
next_entry_users(struct pdb_search
*s
,
1714 struct samr_displayentry
*entry
)
1716 struct user_search
*state
= s
->private_data
;
1717 struct samu
*user
= NULL
;
1720 if ( !(user
= samu_new( NULL
)) ) {
1721 DEBUG(0, ("next_entry_users: samu_new() failed!\n"));
1725 if (!pdb_getsampwent(user
)) {
1730 if ((state
->acct_flags
!= 0) &&
1731 ((pdb_get_acct_ctrl(user
) & state
->acct_flags
) == 0)) {
1736 fill_displayentry(s
->mem_ctx
, pdb_get_user_rid(user
),
1737 pdb_get_acct_ctrl(user
), pdb_get_username(user
),
1738 pdb_get_fullname(user
), pdb_get_acct_desc(user
),
1745 static void search_end_users(struct pdb_search
*search
)
1748 user_search_in_progress
= False
;
1751 static BOOL
pdb_default_search_users(struct pdb_methods
*methods
,
1752 struct pdb_search
*search
,
1755 struct user_search
*state
;
1757 if (user_search_in_progress
) {
1758 DEBUG(1, ("user search in progress\n"));
1762 if (!pdb_setsampwent(False
, acct_flags
)) {
1763 DEBUG(5, ("Could not start search\n"));
1767 user_search_in_progress
= True
;
1769 state
= TALLOC_P(search
->mem_ctx
, struct user_search
);
1770 if (state
== NULL
) {
1771 DEBUG(0, ("talloc failed\n"));
1775 state
->acct_flags
= acct_flags
;
1777 search
->private_data
= state
;
1778 search
->next_entry
= next_entry_users
;
1779 search
->search_end
= search_end_users
;
1783 struct group_search
{
1785 size_t num_groups
, current_group
;
1788 static BOOL
next_entry_groups(struct pdb_search
*s
,
1789 struct samr_displayentry
*entry
)
1791 struct group_search
*state
= s
->private_data
;
1793 GROUP_MAP
*map
= &state
->groups
[state
->current_group
];
1795 if (state
->current_group
== state
->num_groups
)
1798 sid_peek_rid(&map
->sid
, &rid
);
1800 fill_displayentry(s
->mem_ctx
, rid
, 0, map
->nt_name
, NULL
, map
->comment
,
1803 state
->current_group
+= 1;
1807 static void search_end_groups(struct pdb_search
*search
)
1809 struct group_search
*state
= search
->private_data
;
1810 SAFE_FREE(state
->groups
);
1813 static BOOL
pdb_search_grouptype(struct pdb_search
*search
,
1814 const DOM_SID
*sid
, enum SID_NAME_USE type
)
1816 struct group_search
*state
;
1818 state
= TALLOC_P(search
->mem_ctx
, struct group_search
);
1819 if (state
== NULL
) {
1820 DEBUG(0, ("talloc failed\n"));
1824 if (!pdb_enum_group_mapping(sid
, type
, &state
->groups
, &state
->num_groups
,
1826 DEBUG(0, ("Could not enum groups\n"));
1830 state
->current_group
= 0;
1831 search
->private_data
= state
;
1832 search
->next_entry
= next_entry_groups
;
1833 search
->search_end
= search_end_groups
;
1837 static BOOL
pdb_default_search_groups(struct pdb_methods
*methods
,
1838 struct pdb_search
*search
)
1840 return pdb_search_grouptype(search
, get_global_sam_sid(), SID_NAME_DOM_GRP
);
1843 static BOOL
pdb_default_search_aliases(struct pdb_methods
*methods
,
1844 struct pdb_search
*search
,
1848 return pdb_search_grouptype(search
, sid
, SID_NAME_ALIAS
);
1851 static struct samr_displayentry
*pdb_search_getentry(struct pdb_search
*search
,
1854 if (idx
< search
->num_entries
)
1855 return &search
->cache
[idx
];
1857 if (search
->search_ended
)
1860 while (idx
>= search
->num_entries
) {
1861 struct samr_displayentry entry
;
1863 if (!search
->next_entry(search
, &entry
)) {
1864 search
->search_end(search
);
1865 search
->search_ended
= True
;
1869 ADD_TO_LARGE_ARRAY(search
->mem_ctx
, struct samr_displayentry
,
1870 entry
, &search
->cache
, &search
->num_entries
,
1871 &search
->cache_size
);
1874 return (search
->num_entries
> idx
) ? &search
->cache
[idx
] : NULL
;
1877 struct pdb_search
*pdb_search_users(uint32 acct_flags
)
1879 struct pdb_methods
*pdb
= pdb_get_methods();
1880 struct pdb_search
*result
;
1882 result
= pdb_search_init(PDB_USER_SEARCH
);
1883 if (result
== NULL
) {
1887 if (!pdb
->search_users(pdb
, result
, acct_flags
)) {
1888 talloc_destroy(result
->mem_ctx
);
1894 struct pdb_search
*pdb_search_groups(void)
1896 struct pdb_methods
*pdb
= pdb_get_methods();
1897 struct pdb_search
*result
;
1899 result
= pdb_search_init(PDB_GROUP_SEARCH
);
1900 if (result
== NULL
) {
1904 if (!pdb
->search_groups(pdb
, result
)) {
1905 talloc_destroy(result
->mem_ctx
);
1911 struct pdb_search
*pdb_search_aliases(const DOM_SID
*sid
)
1913 struct pdb_methods
*pdb
= pdb_get_methods();
1914 struct pdb_search
*result
;
1916 if (pdb
== NULL
) return NULL
;
1918 result
= pdb_search_init(PDB_ALIAS_SEARCH
);
1919 if (result
== NULL
) return NULL
;
1921 if (!pdb
->search_aliases(pdb
, result
, sid
)) {
1922 talloc_destroy(result
->mem_ctx
);
1928 uint32
pdb_search_entries(struct pdb_search
*search
,
1929 uint32 start_idx
, uint32 max_entries
,
1930 struct samr_displayentry
**result
)
1932 struct samr_displayentry
*end_entry
;
1933 uint32 end_idx
= start_idx
+max_entries
-1;
1935 /* The first entry needs to be searched after the last. Otherwise the
1936 * first entry might have moved due to a realloc during the search for
1937 * the last entry. */
1939 end_entry
= pdb_search_getentry(search
, end_idx
);
1940 *result
= pdb_search_getentry(search
, start_idx
);
1942 if (end_entry
!= NULL
)
1945 if (start_idx
>= search
->num_entries
)
1948 return search
->num_entries
- start_idx
;
1951 void pdb_search_destroy(struct pdb_search
*search
)
1956 if (!search
->search_ended
)
1957 search
->search_end(search
);
1959 talloc_destroy(search
->mem_ctx
);
1962 /*******************************************************************
1963 Create a pdb_methods structure and initialize it with the default
1964 operations. In this way a passdb module can simply implement
1965 the functionality it cares about. However, normally this is done
1966 in groups of related functions.
1967 *******************************************************************/
1969 NTSTATUS
make_pdb_method( struct pdb_methods
**methods
)
1971 /* allocate memory for the structure as its own talloc CTX */
1973 if ( !(*methods
= TALLOC_ZERO_P(NULL
, struct pdb_methods
) ) ) {
1974 return NT_STATUS_NO_MEMORY
;
1977 (*methods
)->setsampwent
= pdb_default_setsampwent
;
1978 (*methods
)->endsampwent
= pdb_default_endsampwent
;
1979 (*methods
)->getsampwent
= pdb_default_getsampwent
;
1980 (*methods
)->getsampwnam
= pdb_default_getsampwnam
;
1981 (*methods
)->getsampwsid
= pdb_default_getsampwsid
;
1982 (*methods
)->create_user
= pdb_default_create_user
;
1983 (*methods
)->delete_user
= pdb_default_delete_user
;
1984 (*methods
)->add_sam_account
= pdb_default_add_sam_account
;
1985 (*methods
)->update_sam_account
= pdb_default_update_sam_account
;
1986 (*methods
)->delete_sam_account
= pdb_default_delete_sam_account
;
1987 (*methods
)->rename_sam_account
= pdb_default_rename_sam_account
;
1988 (*methods
)->update_login_attempts
= pdb_default_update_login_attempts
;
1990 (*methods
)->getgrsid
= pdb_default_getgrsid
;
1991 (*methods
)->getgrgid
= pdb_default_getgrgid
;
1992 (*methods
)->getgrnam
= pdb_default_getgrnam
;
1993 (*methods
)->create_dom_group
= pdb_default_create_dom_group
;
1994 (*methods
)->delete_dom_group
= pdb_default_delete_dom_group
;
1995 (*methods
)->add_group_mapping_entry
= pdb_default_add_group_mapping_entry
;
1996 (*methods
)->update_group_mapping_entry
= pdb_default_update_group_mapping_entry
;
1997 (*methods
)->delete_group_mapping_entry
= pdb_default_delete_group_mapping_entry
;
1998 (*methods
)->enum_group_mapping
= pdb_default_enum_group_mapping
;
1999 (*methods
)->enum_group_members
= pdb_default_enum_group_members
;
2000 (*methods
)->enum_group_memberships
= pdb_default_enum_group_memberships
;
2001 (*methods
)->set_unix_primary_group
= pdb_default_set_unix_primary_group
;
2002 (*methods
)->add_groupmem
= pdb_default_add_groupmem
;
2003 (*methods
)->del_groupmem
= pdb_default_del_groupmem
;
2004 (*methods
)->find_alias
= pdb_default_find_alias
;
2005 (*methods
)->create_alias
= pdb_default_create_alias
;
2006 (*methods
)->delete_alias
= pdb_default_delete_alias
;
2007 (*methods
)->get_aliasinfo
= pdb_default_get_aliasinfo
;
2008 (*methods
)->set_aliasinfo
= pdb_default_set_aliasinfo
;
2009 (*methods
)->add_aliasmem
= pdb_default_add_aliasmem
;
2010 (*methods
)->del_aliasmem
= pdb_default_del_aliasmem
;
2011 (*methods
)->enum_aliasmem
= pdb_default_enum_aliasmem
;
2012 (*methods
)->enum_alias_memberships
= pdb_default_alias_memberships
;
2013 (*methods
)->lookup_rids
= pdb_default_lookup_rids
;
2014 (*methods
)->get_account_policy
= pdb_default_get_account_policy
;
2015 (*methods
)->set_account_policy
= pdb_default_set_account_policy
;
2016 (*methods
)->get_seq_num
= pdb_default_get_seq_num
;
2017 (*methods
)->uid_to_rid
= pdb_default_uid_to_rid
;
2018 (*methods
)->gid_to_sid
= pdb_default_gid_to_sid
;
2019 (*methods
)->sid_to_id
= pdb_default_sid_to_id
;
2021 (*methods
)->search_users
= pdb_default_search_users
;
2022 (*methods
)->search_groups
= pdb_default_search_groups
;
2023 (*methods
)->search_aliases
= pdb_default_search_aliases
;
2025 return NT_STATUS_OK
;