2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
4 * Copyright (C) Andrew Tridgell 1992-2000,
5 * Copyright (C) Jean François Micouleau 1998-2001.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 static TDB_CONTEXT
*tdb
; /* used for driver files */
26 #define DATABASE_VERSION_V1 1 /* native byte format. */
27 #define DATABASE_VERSION_V2 2 /* le format. */
29 #define GROUP_PREFIX "UNIXGROUP/"
31 /* Alias memberships are stored reverse, as memberships. The performance
32 * critical operation is to determine the aliases a SID is member of, not
33 * listing alias members. So we store a list of alias SIDs a SID is member of
34 * hanging of the member as key.
36 #define MEMBEROF_PREFIX "MEMBEROF/"
39 {SE_PRIV_NONE
, "no_privs", "No privilege" }, /* this one MUST be first */
40 {SE_PRIV_ADD_MACHINES
, "SeMachineAccountPrivilege", "Add workstations to the domain" },
41 {SE_PRIV_SEC_PRIV
, "SeSecurityPrivilege", "Manage the audit logs" },
42 {SE_PRIV_TAKE_OWNER
, "SeTakeOwnershipPrivilege", "Take ownership of file" },
43 {SE_PRIV_ADD_USERS
, "SaAddUsers", "Add users to the domain - Samba" },
44 {SE_PRIV_PRINT_OPERATOR
, "SaPrintOp", "Add or remove printers - Samba" },
45 {SE_PRIV_ALL
, "SaAllPrivs", "all privileges" }
49 /****************************************************************************
50 dump the mapping group mapping to a text file
51 ****************************************************************************/
52 char *decode_sid_name_use(fstring group
, enum SID_NAME_USE name_use
)
54 static fstring group_type
;
58 fstrcpy(group_type
,"User");
60 case SID_NAME_DOM_GRP
:
61 fstrcpy(group_type
,"Domain group");
64 fstrcpy(group_type
,"Domain");
67 fstrcpy(group_type
,"Local group");
69 case SID_NAME_WKN_GRP
:
70 fstrcpy(group_type
,"Builtin group");
72 case SID_NAME_DELETED
:
73 fstrcpy(group_type
,"Deleted");
75 case SID_NAME_INVALID
:
76 fstrcpy(group_type
,"Invalid");
78 case SID_NAME_UNKNOWN
:
80 fstrcpy(group_type
,"Unknown type");
84 fstrcpy(group
, group_type
);
88 /****************************************************************************
89 initialise first time the mapping list - called from init_group_mapping()
90 ****************************************************************************/
91 static BOOL
default_group_mapping(void)
100 /* Add the Wellknown groups */
102 add_initial_entry(-1, "S-1-5-32-544", SID_NAME_WKN_GRP
, "Administrators", "");
103 add_initial_entry(-1, "S-1-5-32-545", SID_NAME_WKN_GRP
, "Users", "");
104 add_initial_entry(-1, "S-1-5-32-546", SID_NAME_WKN_GRP
, "Guests", "");
105 add_initial_entry(-1, "S-1-5-32-547", SID_NAME_WKN_GRP
, "Power Users", "");
106 add_initial_entry(-1, "S-1-5-32-548", SID_NAME_WKN_GRP
, "Account Operators", "");
107 add_initial_entry(-1, "S-1-5-32-549", SID_NAME_WKN_GRP
, "System Operators", "");
108 add_initial_entry(-1, "S-1-5-32-550", SID_NAME_WKN_GRP
, "Print Operators", "");
109 add_initial_entry(-1, "S-1-5-32-551", SID_NAME_WKN_GRP
, "Backup Operators", "");
110 add_initial_entry(-1, "S-1-5-32-552", SID_NAME_WKN_GRP
, "Replicators", "");
112 /* Add the defaults domain groups */
114 sid_copy(&sid_admins
, get_global_sam_sid());
115 sid_append_rid(&sid_admins
, DOMAIN_GROUP_RID_ADMINS
);
116 sid_to_string(str_admins
, &sid_admins
);
117 add_initial_entry(-1, str_admins
, SID_NAME_DOM_GRP
, "Domain Admins", "");
119 sid_copy(&sid_users
, get_global_sam_sid());
120 sid_append_rid(&sid_users
, DOMAIN_GROUP_RID_USERS
);
121 sid_to_string(str_users
, &sid_users
);
122 add_initial_entry(-1, str_users
, SID_NAME_DOM_GRP
, "Domain Users", "");
124 sid_copy(&sid_guests
, get_global_sam_sid());
125 sid_append_rid(&sid_guests
, DOMAIN_GROUP_RID_GUESTS
);
126 sid_to_string(str_guests
, &sid_guests
);
127 add_initial_entry(-1, str_guests
, SID_NAME_DOM_GRP
, "Domain Guests", "");
132 /****************************************************************************
133 Open the group mapping tdb.
134 ****************************************************************************/
136 static BOOL
init_group_mapping(void)
138 static pid_t local_pid
;
139 const char *vstring
= "INFO/version";
142 if (tdb
&& local_pid
== sys_getpid())
144 tdb
= tdb_open_log(lock_path("group_mapping.tdb"), 0, TDB_DEFAULT
, O_RDWR
|O_CREAT
, 0600);
146 DEBUG(0,("Failed to open group mapping database\n"));
150 local_pid
= sys_getpid();
152 /* handle a Samba upgrade */
153 tdb_lock_bystring(tdb
, vstring
, 0);
155 /* Cope with byte-reversed older versions of the db. */
156 vers_id
= tdb_fetch_int32(tdb
, vstring
);
157 if ((vers_id
== DATABASE_VERSION_V1
) || (IREV(vers_id
) == DATABASE_VERSION_V1
)) {
158 /* Written on a bigendian machine with old fetch_int code. Save as le. */
159 tdb_store_int32(tdb
, vstring
, DATABASE_VERSION_V2
);
160 vers_id
= DATABASE_VERSION_V2
;
163 if (vers_id
!= DATABASE_VERSION_V2
) {
164 tdb_traverse(tdb
, tdb_traverse_delete_fn
, NULL
);
165 tdb_store_int32(tdb
, vstring
, DATABASE_VERSION_V2
);
168 tdb_unlock_bystring(tdb
, vstring
);
170 /* write a list of default groups */
171 if(!default_group_mapping())
177 /****************************************************************************
178 ****************************************************************************/
179 static BOOL
add_mapping_entry(GROUP_MAP
*map
, int flag
)
183 fstring string_sid
="";
186 if(!init_group_mapping()) {
187 DEBUG(0,("failed to initialize group mapping\n"));
191 sid_to_string(string_sid
, &map
->sid
);
193 len
= tdb_pack(buf
, sizeof(buf
), "ddff",
194 map
->gid
, map
->sid_name_use
, map
->nt_name
, map
->comment
);
196 if (len
> sizeof(buf
))
199 slprintf(key
, sizeof(key
), "%s%s", GROUP_PREFIX
, string_sid
);
201 kbuf
.dsize
= strlen(key
)+1;
205 if (tdb_store(tdb
, kbuf
, dbuf
, flag
) != 0) return False
;
210 /****************************************************************************
211 initialise first time the mapping list
212 ****************************************************************************/
213 BOOL
add_initial_entry(gid_t gid
, const char *sid
, enum SID_NAME_USE sid_name_use
, const char *nt_name
, const char *comment
)
217 if(!init_group_mapping()) {
218 DEBUG(0,("failed to initialize group mapping\n"));
223 if (!string_to_sid(&map
.sid
, sid
)) {
224 DEBUG(0, ("string_to_sid failed: %s", sid
));
228 map
.sid_name_use
=sid_name_use
;
229 fstrcpy(map
.nt_name
, nt_name
);
230 fstrcpy(map
.comment
, comment
);
232 return pdb_add_group_mapping_entry(&map
);
235 /****************************************************************************
236 Return the sid and the type of the unix group.
237 ****************************************************************************/
239 static BOOL
get_group_map_from_sid(DOM_SID sid
, GROUP_MAP
*map
)
246 if(!init_group_mapping()) {
247 DEBUG(0,("failed to initialize group mapping\n"));
251 /* the key is the SID, retrieving is direct */
253 sid_to_string(string_sid
, &sid
);
254 slprintf(key
, sizeof(key
), "%s%s", GROUP_PREFIX
, string_sid
);
257 kbuf
.dsize
= strlen(key
)+1;
259 dbuf
= tdb_fetch(tdb
, kbuf
);
263 ret
= tdb_unpack(dbuf
.dptr
, dbuf
.dsize
, "ddff",
264 &map
->gid
, &map
->sid_name_use
, &map
->nt_name
, &map
->comment
);
266 SAFE_FREE(dbuf
.dptr
);
269 DEBUG(3,("get_group_map_from_sid: tdb_unpack failure\n"));
273 sid_copy(&map
->sid
, &sid
);
278 /****************************************************************************
279 Return the sid and the type of the unix group.
280 ****************************************************************************/
282 static BOOL
get_group_map_from_gid(gid_t gid
, GROUP_MAP
*map
)
284 TDB_DATA kbuf
, dbuf
, newkey
;
288 if(!init_group_mapping()) {
289 DEBUG(0,("failed to initialize group mapping\n"));
293 /* we need to enumerate the TDB to find the GID */
295 for (kbuf
= tdb_firstkey(tdb
);
297 newkey
= tdb_nextkey(tdb
, kbuf
), safe_free(kbuf
.dptr
), kbuf
=newkey
) {
299 if (strncmp(kbuf
.dptr
, GROUP_PREFIX
, strlen(GROUP_PREFIX
)) != 0) continue;
301 dbuf
= tdb_fetch(tdb
, kbuf
);
305 fstrcpy(string_sid
, kbuf
.dptr
+strlen(GROUP_PREFIX
));
307 string_to_sid(&map
->sid
, string_sid
);
309 ret
= tdb_unpack(dbuf
.dptr
, dbuf
.dsize
, "ddff",
310 &map
->gid
, &map
->sid_name_use
, &map
->nt_name
, &map
->comment
);
312 SAFE_FREE(dbuf
.dptr
);
315 DEBUG(3,("get_group_map_from_gid: tdb_unpack failure\n"));
320 SAFE_FREE(kbuf
.dptr
);
328 /****************************************************************************
329 Return the sid and the type of the unix group.
330 ****************************************************************************/
332 static BOOL
get_group_map_from_ntname(const char *name
, GROUP_MAP
*map
)
334 TDB_DATA kbuf
, dbuf
, newkey
;
338 if(!init_group_mapping()) {
339 DEBUG(0,("get_group_map_from_ntname:failed to initialize group mapping\n"));
343 /* we need to enumerate the TDB to find the name */
345 for (kbuf
= tdb_firstkey(tdb
);
347 newkey
= tdb_nextkey(tdb
, kbuf
), safe_free(kbuf
.dptr
), kbuf
=newkey
) {
349 if (strncmp(kbuf
.dptr
, GROUP_PREFIX
, strlen(GROUP_PREFIX
)) != 0) continue;
351 dbuf
= tdb_fetch(tdb
, kbuf
);
355 fstrcpy(string_sid
, kbuf
.dptr
+strlen(GROUP_PREFIX
));
357 string_to_sid(&map
->sid
, string_sid
);
359 ret
= tdb_unpack(dbuf
.dptr
, dbuf
.dsize
, "ddff",
360 &map
->gid
, &map
->sid_name_use
, &map
->nt_name
, &map
->comment
);
362 SAFE_FREE(dbuf
.dptr
);
365 DEBUG(3,("get_group_map_from_ntname: tdb_unpack failure\n"));
369 if (StrCaseCmp(name
, map
->nt_name
)==0) {
370 SAFE_FREE(kbuf
.dptr
);
378 /****************************************************************************
379 Remove a group mapping entry.
380 ****************************************************************************/
382 static BOOL
group_map_remove(DOM_SID sid
)
388 if(!init_group_mapping()) {
389 DEBUG(0,("failed to initialize group mapping\n"));
393 /* the key is the SID, retrieving is direct */
395 sid_to_string(string_sid
, &sid
);
396 slprintf(key
, sizeof(key
), "%s%s", GROUP_PREFIX
, string_sid
);
399 kbuf
.dsize
= strlen(key
)+1;
401 dbuf
= tdb_fetch(tdb
, kbuf
);
405 SAFE_FREE(dbuf
.dptr
);
407 if(tdb_delete(tdb
, kbuf
) != TDB_SUCCESS
)
413 /****************************************************************************
414 Enumerate the group mapping.
415 ****************************************************************************/
417 static BOOL
enum_group_mapping(enum SID_NAME_USE sid_name_use
, GROUP_MAP
**rmap
,
418 int *num_entries
, BOOL unix_only
)
420 TDB_DATA kbuf
, dbuf
, newkey
;
428 if(!init_group_mapping()) {
429 DEBUG(0,("failed to initialize group mapping\n"));
436 for (kbuf
= tdb_firstkey(tdb
);
438 newkey
= tdb_nextkey(tdb
, kbuf
), safe_free(kbuf
.dptr
), kbuf
=newkey
) {
440 if (strncmp(kbuf
.dptr
, GROUP_PREFIX
, strlen(GROUP_PREFIX
)) != 0)
443 dbuf
= tdb_fetch(tdb
, kbuf
);
447 fstrcpy(string_sid
, kbuf
.dptr
+strlen(GROUP_PREFIX
));
449 ret
= tdb_unpack(dbuf
.dptr
, dbuf
.dsize
, "ddff",
450 &map
.gid
, &map
.sid_name_use
, &map
.nt_name
, &map
.comment
);
452 SAFE_FREE(dbuf
.dptr
);
455 DEBUG(3,("enum_group_mapping: tdb_unpack failure\n"));
459 /* list only the type or everything if UNKNOWN */
460 if (sid_name_use
!=SID_NAME_UNKNOWN
&& sid_name_use
!=map
.sid_name_use
) {
461 DEBUG(11,("enum_group_mapping: group %s is not of the requested type\n", map
.nt_name
));
465 if (unix_only
==ENUM_ONLY_MAPPED
&& map
.gid
==-1) {
466 DEBUG(11,("enum_group_mapping: group %s is non mapped\n", map
.nt_name
));
470 string_to_sid(&map
.sid
, string_sid
);
472 decode_sid_name_use(group_type
, map
.sid_name_use
);
473 DEBUG(11,("enum_group_mapping: returning group %s of type %s\n", map
.nt_name
,group_type
));
475 mapt
=(GROUP_MAP
*)Realloc((*rmap
), (entries
+1)*sizeof(GROUP_MAP
));
477 DEBUG(0,("enum_group_mapping: Unable to enlarge group map!\n"));
484 mapt
[entries
].gid
= map
.gid
;
485 sid_copy( &mapt
[entries
].sid
, &map
.sid
);
486 mapt
[entries
].sid_name_use
= map
.sid_name_use
;
487 fstrcpy(mapt
[entries
].nt_name
, map
.nt_name
);
488 fstrcpy(mapt
[entries
].comment
, map
.comment
);
494 *num_entries
=entries
;
499 /* This operation happens on session setup, so it should better be fast. We
500 * store a list of aliases a SID is member of hanging off MEMBEROF/SID. */
502 static NTSTATUS
alias_memberships(const DOM_SID
*sid
, DOM_SID
**sids
, int *num
)
504 fstring key
, string_sid
;
511 if (!init_group_mapping()) {
512 DEBUG(0,("failed to initialize group mapping\n"));
513 return NT_STATUS_ACCESS_DENIED
;
516 sid_to_string(string_sid
, sid
);
517 slprintf(key
, sizeof(key
), "%s%s", MEMBEROF_PREFIX
, string_sid
);
519 kbuf
.dsize
= strlen(key
)+1;
522 dbuf
= tdb_fetch(tdb
, kbuf
);
524 if (dbuf
.dptr
== NULL
) {
530 while (next_token(&p
, string_sid
, " ", sizeof(string_sid
))) {
534 if (!string_to_sid(&alias
, string_sid
))
537 add_sid_to_array(&alias
, sids
, num
);
540 return NT_STATUS_NO_MEMORY
;
543 SAFE_FREE(dbuf
.dptr
);
547 static BOOL
is_aliasmem(const DOM_SID
*alias
, const DOM_SID
*member
)
552 /* This feels the wrong way round, but the on-disk data structure
553 * dictates it this way. */
554 if (!NT_STATUS_IS_OK(alias_memberships(member
, &sids
, &num
)))
557 for (i
=0; i
<num
; i
++) {
558 if (sid_compare(alias
, &sids
[i
]) == 0) {
567 static NTSTATUS
add_aliasmem(const DOM_SID
*alias
, const DOM_SID
*member
)
573 char *new_memberstring
;
576 if(!init_group_mapping()) {
577 DEBUG(0,("failed to initialize group mapping\n"));
578 return NT_STATUS_ACCESS_DENIED
;
581 if (!get_group_map_from_sid(*alias
, &map
))
582 return NT_STATUS_NO_SUCH_ALIAS
;
584 if ( (map
.sid_name_use
!= SID_NAME_ALIAS
) &&
585 (map
.sid_name_use
!= SID_NAME_WKN_GRP
) )
586 return NT_STATUS_NO_SUCH_ALIAS
;
588 if (is_aliasmem(alias
, member
))
589 return NT_STATUS_MEMBER_IN_ALIAS
;
591 sid_to_string(string_sid
, member
);
592 slprintf(key
, sizeof(key
), "%s%s", MEMBEROF_PREFIX
, string_sid
);
594 kbuf
.dsize
= strlen(key
)+1;
597 dbuf
= tdb_fetch(tdb
, kbuf
);
599 sid_to_string(string_sid
, alias
);
601 if (dbuf
.dptr
!= NULL
) {
602 asprintf(&new_memberstring
, "%s %s", (char *)(dbuf
.dptr
),
605 new_memberstring
= strdup(string_sid
);
608 if (new_memberstring
== NULL
)
609 return NT_STATUS_NO_MEMORY
;
611 SAFE_FREE(dbuf
.dptr
);
612 dbuf
.dsize
= strlen(new_memberstring
)+1;
613 dbuf
.dptr
= new_memberstring
;
615 result
= tdb_store(tdb
, kbuf
, dbuf
, 0);
617 SAFE_FREE(new_memberstring
);
619 return (result
== 0 ? NT_STATUS_OK
: NT_STATUS_ACCESS_DENIED
);
622 struct aliasmem_closure
{
623 const DOM_SID
*alias
;
628 static int collect_aliasmem(TDB_CONTEXT
*tdb_ctx
, TDB_DATA key
, TDB_DATA data
,
631 struct aliasmem_closure
*closure
= (struct aliasmem_closure
*)state
;
633 fstring alias_string
;
635 if (strncmp(key
.dptr
, MEMBEROF_PREFIX
,
636 strlen(MEMBEROF_PREFIX
)) != 0)
641 while (next_token(&p
, alias_string
, " ", sizeof(alias_string
))) {
643 DOM_SID alias
, member
;
644 const char *member_string
;
647 if (!string_to_sid(&alias
, alias_string
))
650 if (sid_compare(closure
->alias
, &alias
) != 0)
653 /* Ok, we found the alias we're looking for in the membership
654 * list currently scanned. The key represents the alias
655 * member. Add that. */
657 member_string
= strchr(key
.dptr
, '/');
659 /* Above we tested for MEMBEROF_PREFIX which includes the
662 SMB_ASSERT(member_string
!= NULL
);
665 if (!string_to_sid(&member
, member_string
))
668 add_sid_to_array(&member
, closure
->sids
, closure
->num
);
674 static NTSTATUS
enum_aliasmem(const DOM_SID
*alias
, DOM_SID
**sids
, int *num
)
677 struct aliasmem_closure closure
;
679 if(!init_group_mapping()) {
680 DEBUG(0,("failed to initialize group mapping\n"));
681 return NT_STATUS_ACCESS_DENIED
;
684 if (!get_group_map_from_sid(*alias
, &map
))
685 return NT_STATUS_NO_SUCH_ALIAS
;
687 if ( (map
.sid_name_use
!= SID_NAME_ALIAS
) &&
688 (map
.sid_name_use
!= SID_NAME_WKN_GRP
) )
689 return NT_STATUS_NO_SUCH_ALIAS
;
694 closure
.alias
= alias
;
698 tdb_traverse(tdb
, collect_aliasmem
, &closure
);
702 static NTSTATUS
del_aliasmem(const DOM_SID
*alias
, const DOM_SID
*member
)
713 result
= alias_memberships(member
, &sids
, &num
);
715 if (!NT_STATUS_IS_OK(result
))
718 for (i
=0; i
<num
; i
++) {
719 if (sid_compare(&sids
[i
], alias
) == 0) {
727 return NT_STATUS_MEMBER_NOT_IN_ALIAS
;
731 sids
[i
] = sids
[num
-1];
735 sid_to_string(sid_string
, member
);
736 slprintf(key
, sizeof(key
), "%s%s", MEMBEROF_PREFIX
, sid_string
);
738 kbuf
.dsize
= strlen(key
)+1;
742 return tdb_delete(tdb
, kbuf
) == 0 ?
743 NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
745 member_string
= strdup("");
747 if (member_string
== NULL
) {
749 return NT_STATUS_NO_MEMORY
;
752 for (i
=0; i
<num
; i
++) {
753 char *s
= member_string
;
755 sid_to_string(sid_string
, &sids
[i
]);
756 asprintf(&member_string
, "%s %s", s
, sid_string
);
759 if (member_string
== NULL
) {
761 return NT_STATUS_NO_MEMORY
;
765 dbuf
.dsize
= strlen(member_string
)+1;
766 dbuf
.dptr
= member_string
;
768 result
= tdb_store(tdb
, kbuf
, dbuf
, 0) == 0 ?
769 NT_STATUS_OK
: NT_STATUS_ACCESS_DENIED
;
772 SAFE_FREE(member_string
);
779 * High level functions
780 * better to use them than the lower ones.
782 * we are checking if the group is in the mapping file
783 * and if the group is an existing unix group
787 /* get a domain group from it's SID */
789 BOOL
get_domain_group_from_sid(DOM_SID sid
, GROUP_MAP
*map
)
794 if(!init_group_mapping()) {
795 DEBUG(0,("failed to initialize group mapping\n"));
799 DEBUG(10, ("get_domain_group_from_sid\n"));
801 /* if the group is NOT in the database, it CAN NOT be a domain group */
804 ret
= pdb_getgrsid(map
, sid
);
810 DEBUG(10, ("get_domain_group_from_sid: SID found in the TDB\n"));
812 /* if it's not a domain group, continue */
813 if (map
->sid_name_use
!=SID_NAME_DOM_GRP
) {
817 DEBUG(10, ("get_domain_group_from_sid: SID is a domain group\n"));
823 DEBUG(10, ("get_domain_group_from_sid: SID is mapped to gid:%lu\n",(unsigned long)map
->gid
));
825 grp
= getgrgid(map
->gid
);
827 DEBUG(10, ("get_domain_group_from_sid: gid DOESN'T exist in UNIX security\n"));
831 DEBUG(10, ("get_domain_group_from_sid: gid exists in UNIX security\n"));
837 /* get a local (alias) group from it's SID */
839 BOOL
get_local_group_from_sid(DOM_SID
*sid
, GROUP_MAP
*map
)
843 if(!init_group_mapping()) {
844 DEBUG(0,("failed to initialize group mapping\n"));
848 /* The group is in the mapping table */
850 ret
= pdb_getgrsid(map
, *sid
);
856 if ( ( (map
->sid_name_use
!= SID_NAME_ALIAS
) &&
857 (map
->sid_name_use
!= SID_NAME_WKN_GRP
) )
859 || (getgrgid(map
->gid
) == NULL
) )
865 /* local groups only exist in the group mapping DB so this
869 /* the group isn't in the mapping table.
870 * make one based on the unix information */
874 sid_peek_rid(sid
, &alias_rid
);
875 map
->gid
=pdb_group_rid_to_gid(alias_rid
);
877 grp
= getgrgid(map
->gid
);
879 DEBUG(3,("get_local_group_from_sid: No unix group for [%ul]\n", map
->gid
));
883 map
->sid_name_use
=SID_NAME_ALIAS
;
885 fstrcpy(map
->nt_name
, grp
->gr_name
);
886 fstrcpy(map
->comment
, "Local Unix Group");
888 sid_copy(&map
->sid
, sid
);
895 /* get a builtin group from it's SID */
897 BOOL
get_builtin_group_from_sid(DOM_SID
*sid
, GROUP_MAP
*map
)
903 if(!init_group_mapping()) {
904 DEBUG(0,("failed to initialize group mapping\n"));
909 ret
= pdb_getgrsid(map
, *sid
);
915 if (map
->sid_name_use
!=SID_NAME_WKN_GRP
) {
923 if ( (grp
=getgrgid(map
->gid
)) == NULL
) {
932 /****************************************************************************
933 Returns a GROUP_MAP struct based on the gid.
934 ****************************************************************************/
935 BOOL
get_group_from_gid(gid_t gid
, GROUP_MAP
*map
)
940 if(!init_group_mapping()) {
941 DEBUG(0,("failed to initialize group mapping\n"));
945 if ( (grp
=getgrgid(gid
)) == NULL
)
949 * make a group map from scratch if doesn't exist.
953 ret
= pdb_getgrgid(map
, gid
);
958 map
->sid_name_use
=SID_NAME_ALIAS
;
960 /* interim solution until we have a last RID allocated */
962 sid_copy(&map
->sid
, get_global_sam_sid());
963 sid_append_rid(&map
->sid
, pdb_gid_to_group_rid(gid
));
965 fstrcpy(map
->nt_name
, grp
->gr_name
);
966 fstrcpy(map
->comment
, "Local Unix Group");
975 /****************************************************************************
976 Get the member users of a group and
977 all the users who have that group as primary.
979 give back an array of SIDS
980 return the grand number of users
983 TODO: sort the list and remove duplicate. JFM.
985 ****************************************************************************/
987 BOOL
get_sid_list_of_group(gid_t gid
, DOM_SID
**sids
, int *num_sids
)
994 struct sys_pwent
*userlist
;
995 struct sys_pwent
*user
;
997 if(!init_group_mapping()) {
998 DEBUG(0,("failed to initialize group mapping\n"));
1005 if ( (grp
=getgrgid(gid
)) == NULL
)
1008 gr
= grp
->gr_mem
[0];
1009 DEBUG(10, ("getting members\n"));
1011 while (gr
&& (*gr
!= (char)'\0')) {
1012 SAM_ACCOUNT
*group_member_acct
= NULL
;
1014 s
= Realloc((*sids
), sizeof(**sids
)*(*num_sids
+1));
1016 DEBUG(0,("get_uid_list_of_group: unable to enlarge SID list!\n"));
1021 if (!NT_STATUS_IS_OK(pdb_init_sam(&group_member_acct
))) {
1026 found_user
= pdb_getsampwnam(group_member_acct
, gr
);
1030 sid_copy(&(*sids
)[*num_sids
], pdb_get_user_sid(group_member_acct
));
1034 pdb_free_sam(&group_member_acct
);
1036 gr
= grp
->gr_mem
[++i
];
1038 DEBUG(10, ("got [%d] members\n", *num_sids
));
1042 user
= userlist
= getpwent_list();
1044 while (user
!= NULL
) {
1046 SAM_ACCOUNT
*group_member_acct
= NULL
;
1049 if (user
->pw_gid
!= gid
) {
1054 s
= Realloc((*sids
), sizeof(**sids
)*(*num_sids
+1));
1056 DEBUG(0,("get_sid_list_of_group: unable to enlarge "
1058 pwent_free(userlist
);
1064 if (!NT_STATUS_IS_OK(pdb_init_sam(&group_member_acct
))) {
1069 found_user
= pdb_getsampwnam(group_member_acct
, user
->pw_name
);
1073 sid_copy(&(*sids
)[*num_sids
],
1074 pdb_get_user_sid(group_member_acct
));
1077 DEBUG(4,("get_sid_list_of_group: User %s [uid == %lu] "
1078 "has no samba account\n",
1079 user
->pw_name
, (unsigned long)user
->pw_uid
));
1080 if (algorithmic_uid_to_sid(&(*sids
)[*num_sids
],
1084 pdb_free_sam(&group_member_acct
);
1088 pwent_free(userlist
);
1089 DEBUG(10, ("got primary groups, members: [%d]\n", *num_sids
));
1095 /****************************************************************************
1096 Create a UNIX group on demand.
1097 ****************************************************************************/
1099 int smb_create_group(char *unix_group
, gid_t
*new_gid
)
1107 /* defer to scripts */
1109 if ( *lp_addgroup_script() ) {
1110 pstrcpy(add_script
, lp_addgroup_script());
1111 pstring_sub(add_script
, "%g", unix_group
);
1112 ret
= smbrun(add_script
, (new_gid
!=NULL
) ? &fd
: NULL
);
1113 DEBUG(3,("smb_create_group: Running the command `%s' gave %d\n",add_script
,ret
));
1121 if (read(fd
, output
, sizeof(output
)) > 0) {
1122 *new_gid
= (gid_t
)strtoul(output
, NULL
, 10);
1128 } else if ( winbind_create_group( unix_group
, NULL
) ) {
1130 DEBUG(3,("smb_create_group: winbindd created the group (%s)\n",
1135 if (*new_gid
== 0) {
1136 struct group
*grp
= getgrnam(unix_group
);
1139 *new_gid
= grp
->gr_gid
;
1145 /****************************************************************************
1146 Delete a UNIX group on demand.
1147 ****************************************************************************/
1149 int smb_delete_group(char *unix_group
)
1154 /* defer to scripts */
1156 if ( *lp_delgroup_script() ) {
1157 pstrcpy(del_script
, lp_delgroup_script());
1158 pstring_sub(del_script
, "%g", unix_group
);
1159 ret
= smbrun(del_script
,NULL
);
1160 DEBUG(3,("smb_delete_group: Running the command `%s' gave %d\n",del_script
,ret
));
1164 if ( winbind_delete_group( unix_group
) ) {
1165 DEBUG(3,("smb_delete_group: winbindd deleted the group (%s)\n",
1173 /****************************************************************************
1174 Set a user's primary UNIX group.
1175 ****************************************************************************/
1176 int smb_set_primary_group(const char *unix_group
, const char* unix_user
)
1181 /* defer to scripts */
1183 if ( *lp_setprimarygroup_script() ) {
1184 pstrcpy(add_script
, lp_setprimarygroup_script());
1185 all_string_sub(add_script
, "%g", unix_group
, sizeof(add_script
));
1186 all_string_sub(add_script
, "%u", unix_user
, sizeof(add_script
));
1187 ret
= smbrun(add_script
,NULL
);
1188 DEBUG(3,("smb_set_primary_group: "
1189 "Running the command `%s' gave %d\n",add_script
,ret
));
1195 if ( winbind_set_user_primary_group( unix_user
, unix_group
) ) {
1196 DEBUG(3,("smb_delete_group: winbindd set the group (%s) as the primary group for user (%s)\n",
1197 unix_group
, unix_user
));
1204 /****************************************************************************
1205 Add a user to a UNIX group.
1206 ****************************************************************************/
1208 int smb_add_user_group(char *unix_group
, char *unix_user
)
1213 /* defer to scripts */
1215 if ( *lp_addusertogroup_script() ) {
1216 pstrcpy(add_script
, lp_addusertogroup_script());
1217 pstring_sub(add_script
, "%g", unix_group
);
1218 pstring_sub(add_script
, "%u", unix_user
);
1219 ret
= smbrun(add_script
,NULL
);
1220 DEBUG(3,("smb_add_user_group: Running the command `%s' gave %d\n",add_script
,ret
));
1226 if ( winbind_add_user_to_group( unix_user
, unix_group
) ) {
1227 DEBUG(3,("smb_delete_group: winbindd added user (%s) to the group (%s)\n",
1228 unix_user
, unix_group
));
1235 /****************************************************************************
1236 Delete a user from a UNIX group
1237 ****************************************************************************/
1239 int smb_delete_user_group(const char *unix_group
, const char *unix_user
)
1244 /* defer to scripts */
1246 if ( *lp_deluserfromgroup_script() ) {
1247 pstrcpy(del_script
, lp_deluserfromgroup_script());
1248 pstring_sub(del_script
, "%g", unix_group
);
1249 pstring_sub(del_script
, "%u", unix_user
);
1250 ret
= smbrun(del_script
,NULL
);
1251 DEBUG(3,("smb_delete_user_group: Running the command `%s' gave %d\n",del_script
,ret
));
1257 if ( winbind_remove_user_from_group( unix_user
, unix_group
) ) {
1258 DEBUG(3,("smb_delete_group: winbindd removed user (%s) from the group (%s)\n",
1259 unix_user
, unix_group
));
1267 NTSTATUS
pdb_default_getgrsid(struct pdb_methods
*methods
, GROUP_MAP
*map
,
1270 return get_group_map_from_sid(sid
, map
) ?
1271 NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
1274 NTSTATUS
pdb_default_getgrgid(struct pdb_methods
*methods
, GROUP_MAP
*map
,
1277 return get_group_map_from_gid(gid
, map
) ?
1278 NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
1281 NTSTATUS
pdb_default_getgrnam(struct pdb_methods
*methods
, GROUP_MAP
*map
,
1284 return get_group_map_from_ntname(name
, map
) ?
1285 NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
1288 NTSTATUS
pdb_default_add_group_mapping_entry(struct pdb_methods
*methods
,
1291 return add_mapping_entry(map
, TDB_INSERT
) ?
1292 NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
1295 NTSTATUS
pdb_default_update_group_mapping_entry(struct pdb_methods
*methods
,
1298 return add_mapping_entry(map
, TDB_REPLACE
) ?
1299 NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
1302 NTSTATUS
pdb_default_delete_group_mapping_entry(struct pdb_methods
*methods
,
1305 return group_map_remove(sid
) ?
1306 NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
1309 NTSTATUS
pdb_default_enum_group_mapping(struct pdb_methods
*methods
,
1310 enum SID_NAME_USE sid_name_use
,
1311 GROUP_MAP
**rmap
, int *num_entries
,
1314 return enum_group_mapping(sid_name_use
, rmap
, num_entries
, unix_only
) ?
1315 NT_STATUS_OK
: NT_STATUS_UNSUCCESSFUL
;
1318 NTSTATUS
pdb_default_find_alias(struct pdb_methods
*methods
,
1319 const char *name
, DOM_SID
*sid
)
1323 if (!pdb_getgrnam(&map
, name
))
1324 return NT_STATUS_NO_SUCH_ALIAS
;
1326 if ((map
.sid_name_use
!= SID_NAME_WKN_GRP
) &&
1327 (map
.sid_name_use
!= SID_NAME_ALIAS
))
1328 return NT_STATUS_OBJECT_TYPE_MISMATCH
;
1330 sid_copy(sid
, &map
.sid
);
1331 return NT_STATUS_OK
;
1334 NTSTATUS
pdb_default_create_alias(struct pdb_methods
*methods
,
1335 const char *name
, uint32
*rid
)
1338 enum SID_NAME_USE type
;
1344 if (lookup_name(get_global_sam_name(), name
, &sid
, &type
))
1345 return NT_STATUS_ALIAS_EXISTS
;
1347 if (!winbind_allocate_rid(&new_rid
))
1348 return NT_STATUS_ACCESS_DENIED
;
1350 sid_copy(&sid
, get_global_sam_sid());
1351 sid_append_rid(&sid
, new_rid
);
1353 /* Here we allocate the gid */
1354 if (!winbind_sid_to_gid(&gid
, &sid
)) {
1355 DEBUG(0, ("Could not get gid for new RID\n"));
1356 return NT_STATUS_ACCESS_DENIED
;
1360 sid_copy(&map
.sid
, &sid
);
1361 map
.sid_name_use
= SID_NAME_ALIAS
;
1362 fstrcpy(map
.nt_name
, name
);
1363 fstrcpy(map
.comment
, "");
1365 if (!pdb_add_group_mapping_entry(&map
)) {
1366 DEBUG(0, ("Could not add group mapping entry for alias %s\n",
1368 return NT_STATUS_ACCESS_DENIED
;
1373 return NT_STATUS_OK
;
1376 NTSTATUS
pdb_default_delete_alias(struct pdb_methods
*methods
,
1379 return pdb_delete_group_mapping_entry(*sid
) ?
1380 NT_STATUS_OK
: NT_STATUS_ACCESS_DENIED
;
1383 NTSTATUS
pdb_default_enum_aliases(struct pdb_methods
*methods
,
1385 uint32 start_idx
, uint32 max_entries
,
1386 uint32
*num_aliases
,
1387 struct acct_info
**info
)
1389 extern DOM_SID global_sid_Builtin
;
1393 enum SID_NAME_USE type
= SID_NAME_UNKNOWN
;
1395 if (sid_compare(sid
, get_global_sam_sid()) == 0)
1396 type
= SID_NAME_ALIAS
;
1398 if (sid_compare(sid
, &global_sid_Builtin
) == 0)
1399 type
= SID_NAME_WKN_GRP
;
1401 if (!pdb_enum_group_mapping(type
, &map
, &num_maps
, False
) ||
1408 if (start_idx
> num_maps
) {
1414 *num_aliases
= num_maps
- start_idx
;
1416 if (*num_aliases
> max_entries
)
1417 *num_aliases
= max_entries
;
1419 *info
= malloc(sizeof(struct acct_info
) * (*num_aliases
));
1421 for (i
=0; i
<*num_aliases
; i
++) {
1422 fstrcpy((*info
)[i
].acct_name
, map
[i
+start_idx
].nt_name
);
1423 fstrcpy((*info
)[i
].acct_desc
, map
[i
+start_idx
].comment
);
1424 sid_peek_rid(&map
[i
].sid
, &(*info
)[i
+start_idx
].rid
);
1429 return NT_STATUS_OK
;
1432 NTSTATUS
pdb_default_get_aliasinfo(struct pdb_methods
*methods
,
1434 struct acct_info
*info
)
1438 if (!pdb_getgrsid(&map
, *sid
))
1439 return NT_STATUS_NO_SUCH_ALIAS
;
1441 fstrcpy(info
->acct_name
, map
.nt_name
);
1442 fstrcpy(info
->acct_desc
, map
.comment
);
1443 sid_peek_rid(&map
.sid
, &info
->rid
);
1444 return NT_STATUS_OK
;
1447 NTSTATUS
pdb_default_set_aliasinfo(struct pdb_methods
*methods
,
1449 struct acct_info
*info
)
1453 if (!pdb_getgrsid(&map
, *sid
))
1454 return NT_STATUS_NO_SUCH_ALIAS
;
1456 fstrcpy(map
.comment
, info
->acct_desc
);
1458 if (!pdb_update_group_mapping_entry(&map
))
1459 return NT_STATUS_ACCESS_DENIED
;
1461 return NT_STATUS_OK
;
1464 NTSTATUS
pdb_default_add_aliasmem(struct pdb_methods
*methods
,
1465 const DOM_SID
*alias
, const DOM_SID
*member
)
1467 return add_aliasmem(alias
, member
);
1470 NTSTATUS
pdb_default_del_aliasmem(struct pdb_methods
*methods
,
1471 const DOM_SID
*alias
, const DOM_SID
*member
)
1473 return del_aliasmem(alias
, member
);
1476 NTSTATUS
pdb_default_enum_aliasmem(struct pdb_methods
*methods
,
1477 const DOM_SID
*alias
, DOM_SID
**members
,
1480 return enum_aliasmem(alias
, members
, num_members
);
1483 NTSTATUS
pdb_default_alias_memberships(struct pdb_methods
*methods
,
1485 DOM_SID
**aliases
, int *num
)
1487 return alias_memberships(sid
, aliases
, num
);
1490 /**********************************************************************
1491 no ops for passdb backends that don't implement group mapping
1492 *********************************************************************/
1494 NTSTATUS
pdb_nop_getgrsid(struct pdb_methods
*methods
, GROUP_MAP
*map
,
1497 return NT_STATUS_UNSUCCESSFUL
;
1500 NTSTATUS
pdb_nop_getgrgid(struct pdb_methods
*methods
, GROUP_MAP
*map
,
1503 return NT_STATUS_UNSUCCESSFUL
;
1506 NTSTATUS
pdb_nop_getgrnam(struct pdb_methods
*methods
, GROUP_MAP
*map
,
1509 return NT_STATUS_UNSUCCESSFUL
;
1512 NTSTATUS
pdb_nop_add_group_mapping_entry(struct pdb_methods
*methods
,
1515 return NT_STATUS_UNSUCCESSFUL
;
1518 NTSTATUS
pdb_nop_update_group_mapping_entry(struct pdb_methods
*methods
,
1521 return NT_STATUS_UNSUCCESSFUL
;
1524 NTSTATUS
pdb_nop_delete_group_mapping_entry(struct pdb_methods
*methods
,
1527 return NT_STATUS_UNSUCCESSFUL
;
1530 NTSTATUS
pdb_nop_enum_group_mapping(struct pdb_methods
*methods
,
1531 enum SID_NAME_USE sid_name_use
,
1532 GROUP_MAP
**rmap
, int *num_entries
,
1535 return NT_STATUS_UNSUCCESSFUL
;