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 3 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, see <http://www.gnu.org/licenses/>.
24 #include "system/passwd.h"
28 #include "../librpc/gen_ndr/samr.h"
29 #include "../librpc/gen_ndr/drsblobs.h"
30 #include "../librpc/gen_ndr/ndr_drsblobs.h"
32 #include "nsswitch/winbind_client.h"
33 #include "../libcli/security/security.h"
34 #include "../lib/util/util_pw.h"
37 #define DBGC_CLASS DBGC_PASSDB
41 static struct pdb_init_function_entry *backends = NULL;
43 static void lazy_initialize_passdb(void)
45 static bool initialized = False;
53 static bool lookup_global_sam_rid(TALLOC_CTX *mem_ctx, uint32 rid,
55 enum lsa_SidType *psid_name_use,
56 union unid_t *unix_id);
58 NTSTATUS smb_register_passdb(int version, const char *name, pdb_init_function init)
60 struct pdb_init_function_entry *entry = backends;
62 if(version != PASSDB_INTERFACE_VERSION) {
63 DEBUG(0,("Can't register passdb backend!\n"
64 "You tried to register a passdb module with PASSDB_INTERFACE_VERSION %d, "
65 "while this version of samba uses version %d\n",
66 version,PASSDB_INTERFACE_VERSION));
67 return NT_STATUS_OBJECT_TYPE_MISMATCH;
71 return NT_STATUS_INVALID_PARAMETER;
74 DEBUG(5,("Attempting to register passdb backend %s\n", name));
76 /* Check for duplicates */
77 if (pdb_find_backend_entry(name)) {
78 DEBUG(0,("There already is a passdb backend registered with the name %s!\n", name));
79 return NT_STATUS_OBJECT_NAME_COLLISION;
82 entry = SMB_XMALLOC_P(struct pdb_init_function_entry);
83 entry->name = smb_xstrdup(name);
86 DLIST_ADD(backends, entry);
87 DEBUG(5,("Successfully added passdb backend '%s'\n", name));
91 struct pdb_init_function_entry *pdb_find_backend_entry(const char *name)
93 struct pdb_init_function_entry *entry = backends;
96 if (strcmp(entry->name, name)==0) return entry;
103 const struct pdb_init_function_entry *pdb_get_backends(void)
110 * The event context for the passdb backend. I know this is a bad hack and yet
111 * another static variable, but our pdb API is a global thing per
112 * definition. The first use for this is the LDAP idle function, more might be
115 * I don't feel too bad about this static variable, it replaces the
116 * smb_idle_event_list that used to exist in lib/module.c. -- VL
119 static struct event_context *pdb_event_ctx;
121 struct event_context *pdb_get_event_context(void)
123 return pdb_event_ctx;
126 /******************************************************************
127 Make a pdb_methods from scratch
128 *******************************************************************/
130 NTSTATUS make_pdb_method_name(struct pdb_methods **methods, const char *selected)
132 char *module_name = smb_xstrdup(selected);
133 char *module_location = NULL, *p;
134 struct pdb_init_function_entry *entry;
135 NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
137 lazy_initialize_passdb();
139 p = strchr(module_name, ':');
143 module_location = p+1;
144 trim_char(module_location, ' ', ' ');
147 trim_char(module_name, ' ', ' ');
150 DEBUG(5,("Attempting to find a passdb backend to match %s (%s)\n", selected, module_name));
152 entry = pdb_find_backend_entry(module_name);
154 /* Try to find a module that contains this module */
156 DEBUG(2,("No builtin backend found, trying to load plugin\n"));
157 if(NT_STATUS_IS_OK(smb_probe_module("pdb", module_name)) && !(entry = pdb_find_backend_entry(module_name))) {
158 DEBUG(0,("Plugin is available, but doesn't register passdb backend %s\n", module_name));
159 SAFE_FREE(module_name);
160 return NT_STATUS_UNSUCCESSFUL;
164 /* No such backend found */
166 DEBUG(0,("No builtin nor plugin backend for %s found\n", module_name));
167 SAFE_FREE(module_name);
168 return NT_STATUS_INVALID_PARAMETER;
171 DEBUG(5,("Found pdb backend %s\n", module_name));
173 if ( !NT_STATUS_IS_OK( nt_status = entry->init(methods, module_location) ) ) {
174 DEBUG(0,("pdb backend %s did not correctly init (error was %s)\n",
175 selected, nt_errstr(nt_status)));
176 SAFE_FREE(module_name);
180 SAFE_FREE(module_name);
182 DEBUG(5,("pdb backend %s has a valid init\n", selected));
187 /******************************************************************
188 Return an already initialized pdb_methods structure
189 *******************************************************************/
191 static struct pdb_methods *pdb_get_methods_reload( bool reload )
193 static struct pdb_methods *pdb = NULL;
195 if ( pdb && reload ) {
196 pdb->free_private_data( &(pdb->private_data) );
197 if ( !NT_STATUS_IS_OK( make_pdb_method_name( &pdb, lp_passdb_backend() ) ) ) {
199 if (asprintf(&msg, "pdb_get_methods_reload: "
200 "failed to get pdb methods for backend %s\n",
201 lp_passdb_backend()) > 0) {
204 smb_panic("pdb_get_methods_reload");
210 if ( !NT_STATUS_IS_OK( make_pdb_method_name( &pdb, lp_passdb_backend() ) ) ) {
212 if (asprintf(&msg, "pdb_get_methods_reload: "
213 "failed to get pdb methods for backend %s\n",
214 lp_passdb_backend()) > 0) {
217 smb_panic("pdb_get_methods_reload");
225 static struct pdb_methods *pdb_get_methods(void)
227 return pdb_get_methods_reload(False);
230 struct pdb_domain_info *pdb_get_domain_info(TALLOC_CTX *mem_ctx)
232 struct pdb_methods *pdb = pdb_get_methods();
233 return pdb->get_domain_info(pdb, mem_ctx);
237 * @brief Check if the user account has been locked out and try to unlock it.
239 * If the user has been automatically locked out and a lockout duration is set,
240 * then check if we can unlock the account and reset the bad password values.
242 * @param[in] sampass The sam user to check.
244 * @return True if the function was successfull, false on an error.
246 static bool pdb_try_account_unlock(struct samu *sampass)
248 uint32_t acb_info = pdb_get_acct_ctrl(sampass);
250 if ((acb_info & ACB_NORMAL) && (acb_info & ACB_AUTOLOCK)) {
251 uint32_t lockout_duration;
252 time_t bad_password_time;
253 time_t now = time(NULL);
256 ok = pdb_get_account_policy(PDB_POLICY_LOCK_ACCOUNT_DURATION,
259 DEBUG(0, ("pdb_try_account_unlock: "
260 "pdb_get_account_policy failed.\n"));
264 if (lockout_duration == (uint32_t) -1 ||
265 lockout_duration == 0) {
266 DEBUG(9, ("pdb_try_account_unlock: No reset duration, "
267 "can't reset autolock\n"));
270 lockout_duration *= 60;
272 bad_password_time = pdb_get_bad_password_time(sampass);
273 if (bad_password_time == (time_t) 0) {
274 DEBUG(2, ("pdb_try_account_unlock: Account %s "
275 "administratively locked out "
276 "with no bad password "
277 "time. Leaving locked out.\n",
278 pdb_get_username(sampass)));
282 if ((bad_password_time +
283 convert_uint32_t_to_time_t(lockout_duration)) < now) {
286 pdb_set_acct_ctrl(sampass, acb_info & ~ACB_AUTOLOCK,
288 pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
289 pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
292 status = pdb_update_sam_account(sampass);
294 if (!NT_STATUS_IS_OK(status)) {
295 DEBUG(0, ("_samr_OpenUser: Couldn't "
296 "update account %s - %s\n",
297 pdb_get_username(sampass),
308 * @brief Get a sam user structure by the given username.
310 * This functions also checks if the account has been automatically locked out
311 * and unlocks it if a lockout duration time has been defined and the time has
314 * @param[in] sam_acct The sam user structure to fill.
316 * @param[in] username The username to look for.
318 * @return True on success, false on error.
320 bool pdb_getsampwnam(struct samu *sam_acct, const char *username)
322 struct pdb_methods *pdb = pdb_get_methods();
323 struct samu *for_cache;
324 const struct dom_sid *user_sid;
328 status = pdb->getsampwnam(pdb, sam_acct, username);
329 if (!NT_STATUS_IS_OK(status)) {
333 ok = pdb_try_account_unlock(sam_acct);
335 DEBUG(1, ("pdb_getsampwnam: Failed to unlock account %s\n",
339 for_cache = samu_new(NULL);
340 if (for_cache == NULL) {
344 if (!pdb_copy_sam_account(for_cache, sam_acct)) {
345 TALLOC_FREE(for_cache);
349 user_sid = pdb_get_user_sid(for_cache);
351 memcache_add_talloc(NULL, PDB_GETPWSID_CACHE,
352 data_blob_const(user_sid, sizeof(*user_sid)),
358 /**********************************************************************
359 **********************************************************************/
361 static bool guest_user_info( struct samu *user )
365 const char *guestname = lp_guestaccount();
367 pwd = Get_Pwnam_alloc(talloc_tos(), guestname);
369 DEBUG(0,("guest_user_info: Unable to locate guest account [%s]!\n",
374 result = samu_set_unix(user, pwd );
378 return NT_STATUS_IS_OK( result );
382 * @brief Get a sam user structure by the given username.
384 * This functions also checks if the account has been automatically locked out
385 * and unlocks it if a lockout duration time has been defined and the time has
389 * @param[in] sam_acct The sam user structure to fill.
391 * @param[in] sid The user SDI to look up.
393 * @return True on success, false on error.
395 bool pdb_getsampwsid(struct samu *sam_acct, const struct dom_sid *sid)
397 struct pdb_methods *pdb = pdb_get_methods();
402 /* hard code the Guest RID of 501 */
404 if ( !sid_peek_check_rid( get_global_sam_sid(), sid, &rid ) )
407 if ( rid == DOMAIN_RID_GUEST ) {
408 DEBUG(6,("pdb_getsampwsid: Building guest account\n"));
409 return guest_user_info( sam_acct );
412 /* check the cache first */
414 cache_data = memcache_lookup_talloc(
415 NULL, PDB_GETPWSID_CACHE, data_blob_const(sid, sizeof(*sid)));
417 if (cache_data != NULL) {
418 struct samu *cache_copy = talloc_get_type_abort(
419 cache_data, struct samu);
421 ok = pdb_copy_sam_account(sam_acct, cache_copy);
423 ok = NT_STATUS_IS_OK(pdb->getsampwsid(pdb, sam_acct, sid));
430 ok = pdb_try_account_unlock(sam_acct);
432 DEBUG(1, ("pdb_getsampwsid: Failed to unlock account %s\n",
433 sam_acct->username));
439 static NTSTATUS pdb_default_create_user(struct pdb_methods *methods,
440 TALLOC_CTX *tmp_ctx, const char *name,
441 uint32_t acb_info, uint32_t *rid)
443 struct samu *sam_pass;
447 if ((sam_pass = samu_new(tmp_ctx)) == NULL) {
448 return NT_STATUS_NO_MEMORY;
451 if ( !(pwd = Get_Pwnam_alloc(tmp_ctx, name)) ) {
452 char *add_script = NULL;
456 if ((acb_info & ACB_NORMAL) && name[strlen(name)-1] != '$') {
457 add_script = talloc_strdup(tmp_ctx,
458 lp_adduser_script());
460 add_script = talloc_strdup(tmp_ctx,
461 lp_addmachine_script());
464 if (!add_script || add_script[0] == '\0') {
465 DEBUG(3, ("Could not find user %s and no add script "
467 return NT_STATUS_NO_SUCH_USER;
470 /* lowercase the username before creating the Unix account for
471 compatibility with previous Samba releases */
472 fstrcpy( name2, name );
474 add_script = talloc_all_string_sub(tmp_ctx,
479 return NT_STATUS_NO_MEMORY;
481 add_ret = smbrun(add_script,NULL);
482 DEBUG(add_ret ? 0 : 3, ("_samr_create_user: Running the command `%s' gave %d\n",
483 add_script, add_ret));
485 smb_nscd_flush_user_cache();
490 pwd = Get_Pwnam_alloc(tmp_ctx, name);
493 DEBUG(3, ("Could not find user %s, add script did not work\n", name));
494 return NT_STATUS_NO_SUCH_USER;
498 /* we have a valid SID coming out of this call */
500 status = samu_alloc_rid_unix(methods, sam_pass, pwd);
504 if (!NT_STATUS_IS_OK(status)) {
505 DEBUG(3, ("pdb_default_create_user: failed to create a new user structure: %s\n", nt_errstr(status)));
509 if (!sid_peek_check_rid(get_global_sam_sid(),
510 pdb_get_user_sid(sam_pass), rid)) {
511 DEBUG(0, ("Could not get RID of fresh user\n"));
512 return NT_STATUS_INTERNAL_ERROR;
515 /* Use the username case specified in the original request */
517 pdb_set_username( sam_pass, name, PDB_SET );
519 /* Disable the account on creation, it does not have a reasonable password yet. */
521 acb_info |= ACB_DISABLED;
523 pdb_set_acct_ctrl(sam_pass, acb_info, PDB_CHANGED);
525 status = methods->add_sam_account(methods, sam_pass);
527 TALLOC_FREE(sam_pass);
532 NTSTATUS pdb_create_user(TALLOC_CTX *mem_ctx, const char *name, uint32_t flags,
535 struct pdb_methods *pdb = pdb_get_methods();
536 return pdb->create_user(pdb, mem_ctx, name, flags, rid);
539 /****************************************************************************
540 Delete a UNIX user on demand.
541 ****************************************************************************/
543 static int smb_delete_user(const char *unix_user)
545 char *del_script = NULL;
550 if ( strequal( unix_user, "root" ) ) {
551 DEBUG(0,("smb_delete_user: Refusing to delete local system root account!\n"));
555 del_script = talloc_strdup(talloc_tos(), lp_deluser_script());
556 if (!del_script || !*del_script) {
559 del_script = talloc_all_string_sub(talloc_tos(),
566 ret = smbrun(del_script,NULL);
569 smb_nscd_flush_user_cache();
571 DEBUG(ret ? 0 : 3,("smb_delete_user: Running the command `%s' gave %d\n",del_script,ret));
576 static NTSTATUS pdb_default_delete_user(struct pdb_methods *methods,
578 struct samu *sam_acct)
583 status = methods->delete_sam_account(methods, sam_acct);
584 if (!NT_STATUS_IS_OK(status)) {
589 * Now delete the unix side ....
590 * note: we don't check if the delete really happened as the script is
591 * not necessary present and maybe the sysadmin doesn't want to delete
595 /* always lower case the username before handing it off to
598 fstrcpy( username, pdb_get_username(sam_acct) );
599 strlower_m( username );
601 smb_delete_user( username );
606 NTSTATUS pdb_delete_user(TALLOC_CTX *mem_ctx, struct samu *sam_acct)
608 struct pdb_methods *pdb = pdb_get_methods();
611 const struct dom_sid *user_sid;
614 user_sid = pdb_get_user_sid(sam_acct);
616 /* sanity check to make sure we don't delete root */
618 if ( !sid_to_uid(user_sid, &uid ) ) {
619 return NT_STATUS_NO_SUCH_USER;
623 return NT_STATUS_ACCESS_DENIED;
626 memcache_delete(NULL,
628 data_blob_const(user_sid, sizeof(*user_sid)));
630 status = pdb->delete_user(pdb, mem_ctx, sam_acct);
631 if (!NT_STATUS_IS_OK(status)) {
635 msg_data = talloc_asprintf(mem_ctx, "USER %s",
636 pdb_get_username(sam_acct));
638 /* not fatal, and too late to rollback,
642 message_send_all(server_messaging_context(),
645 strlen(msg_data) + 1,
648 TALLOC_FREE(msg_data);
652 NTSTATUS pdb_add_sam_account(struct samu *sam_acct)
654 struct pdb_methods *pdb = pdb_get_methods();
655 return pdb->add_sam_account(pdb, sam_acct);
658 NTSTATUS pdb_update_sam_account(struct samu *sam_acct)
660 struct pdb_methods *pdb = pdb_get_methods();
662 memcache_flush(NULL, PDB_GETPWSID_CACHE);
664 return pdb->update_sam_account(pdb, sam_acct);
667 NTSTATUS pdb_delete_sam_account(struct samu *sam_acct)
669 struct pdb_methods *pdb = pdb_get_methods();
670 const struct dom_sid *user_sid = pdb_get_user_sid(sam_acct);
672 memcache_delete(NULL,
674 data_blob_const(user_sid, sizeof(*user_sid)));
676 return pdb->delete_sam_account(pdb, sam_acct);
679 NTSTATUS pdb_rename_sam_account(struct samu *oldname, const char *newname)
681 struct pdb_methods *pdb = pdb_get_methods();
685 memcache_flush(NULL, PDB_GETPWSID_CACHE);
687 /* sanity check to make sure we don't rename root */
689 if ( !sid_to_uid( pdb_get_user_sid(oldname), &uid ) ) {
690 return NT_STATUS_NO_SUCH_USER;
694 return NT_STATUS_ACCESS_DENIED;
697 status = pdb->rename_sam_account(pdb, oldname, newname);
699 /* always flush the cache here just to be safe */
705 NTSTATUS pdb_update_login_attempts(struct samu *sam_acct, bool success)
707 struct pdb_methods *pdb = pdb_get_methods();
708 return pdb->update_login_attempts(pdb, sam_acct, success);
711 bool pdb_getgrsid(GROUP_MAP *map, struct dom_sid sid)
713 struct pdb_methods *pdb = pdb_get_methods();
714 return NT_STATUS_IS_OK(pdb->getgrsid(pdb, map, sid));
717 bool pdb_getgrgid(GROUP_MAP *map, gid_t gid)
719 struct pdb_methods *pdb = pdb_get_methods();
720 return NT_STATUS_IS_OK(pdb->getgrgid(pdb, map, gid));
723 bool pdb_getgrnam(GROUP_MAP *map, const char *name)
725 struct pdb_methods *pdb = pdb_get_methods();
726 return NT_STATUS_IS_OK(pdb->getgrnam(pdb, map, name));
729 static NTSTATUS pdb_default_create_dom_group(struct pdb_methods *methods,
734 struct dom_sid group_sid;
738 grp = getgrnam(name);
743 if (smb_create_group(name, &gid) != 0) {
744 return NT_STATUS_ACCESS_DENIED;
751 return NT_STATUS_ACCESS_DENIED;
754 if (pdb_capabilities() & PDB_CAP_STORE_RIDS) {
755 if (!pdb_new_rid(rid)) {
756 return NT_STATUS_ACCESS_DENIED;
759 *rid = algorithmic_pdb_gid_to_group_rid( grp->gr_gid );
762 sid_compose(&group_sid, get_global_sam_sid(), *rid);
764 return add_initial_entry(grp->gr_gid, sid_to_fstring(tmp, &group_sid),
765 SID_NAME_DOM_GRP, name, NULL);
768 NTSTATUS pdb_create_dom_group(TALLOC_CTX *mem_ctx, const char *name,
771 struct pdb_methods *pdb = pdb_get_methods();
772 return pdb->create_dom_group(pdb, mem_ctx, name, rid);
775 static NTSTATUS pdb_default_delete_dom_group(struct pdb_methods *methods,
779 struct dom_sid group_sid;
783 const char *grp_name;
785 map = talloc_zero(mem_ctx, GROUP_MAP);
787 return NT_STATUS_NO_MEMORY;
791 map->gid = (gid_t) -1;
793 sid_compose(&group_sid, get_global_sam_sid(), rid);
795 if (!get_domain_group_from_sid(group_sid, map)) {
796 DEBUG(10, ("Could not find group for rid %d\n", rid));
797 return NT_STATUS_NO_SUCH_GROUP;
800 /* We need the group name for the smb_delete_group later on */
802 if (map->gid == (gid_t)-1) {
803 return NT_STATUS_NO_SUCH_GROUP;
806 grp = getgrgid(map->gid);
808 return NT_STATUS_NO_SUCH_GROUP;
813 /* Copy the name, no idea what pdb_delete_group_mapping_entry does.. */
815 grp_name = talloc_strdup(mem_ctx, grp->gr_name);
816 if (grp_name == NULL) {
817 return NT_STATUS_NO_MEMORY;
820 status = pdb_delete_group_mapping_entry(group_sid);
822 if (!NT_STATUS_IS_OK(status)) {
826 /* Don't check the result of smb_delete_group */
828 smb_delete_group(grp_name);
833 NTSTATUS pdb_delete_dom_group(TALLOC_CTX *mem_ctx, uint32_t rid)
835 struct pdb_methods *pdb = pdb_get_methods();
836 return pdb->delete_dom_group(pdb, mem_ctx, rid);
839 NTSTATUS pdb_add_group_mapping_entry(GROUP_MAP *map)
841 struct pdb_methods *pdb = pdb_get_methods();
842 return pdb->add_group_mapping_entry(pdb, map);
845 NTSTATUS pdb_update_group_mapping_entry(GROUP_MAP *map)
847 struct pdb_methods *pdb = pdb_get_methods();
848 return pdb->update_group_mapping_entry(pdb, map);
851 NTSTATUS pdb_delete_group_mapping_entry(struct dom_sid sid)
853 struct pdb_methods *pdb = pdb_get_methods();
854 return pdb->delete_group_mapping_entry(pdb, sid);
857 bool pdb_enum_group_mapping(const struct dom_sid *sid,
858 enum lsa_SidType sid_name_use,
859 GROUP_MAP ***pp_rmap,
860 size_t *p_num_entries,
863 struct pdb_methods *pdb = pdb_get_methods();
864 return NT_STATUS_IS_OK(pdb-> enum_group_mapping(pdb, sid, sid_name_use,
865 pp_rmap, p_num_entries, unix_only));
868 NTSTATUS pdb_enum_group_members(TALLOC_CTX *mem_ctx,
869 const struct dom_sid *sid,
870 uint32_t **pp_member_rids,
871 size_t *p_num_members)
873 struct pdb_methods *pdb = pdb_get_methods();
876 result = pdb->enum_group_members(pdb, mem_ctx,
877 sid, pp_member_rids, p_num_members);
879 /* special check for rid 513 */
881 if ( !NT_STATUS_IS_OK( result ) ) {
884 sid_peek_rid( sid, &rid );
886 if ( rid == DOMAIN_RID_USERS ) {
888 *pp_member_rids = NULL;
897 NTSTATUS pdb_enum_group_memberships(TALLOC_CTX *mem_ctx, struct samu *user,
898 struct dom_sid **pp_sids, gid_t **pp_gids,
899 uint32_t *p_num_groups)
901 struct pdb_methods *pdb = pdb_get_methods();
902 return pdb->enum_group_memberships(
904 pp_sids, pp_gids, p_num_groups);
907 static NTSTATUS pdb_default_set_unix_primary_group(struct pdb_methods *methods,
909 struct samu *sampass)
914 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid) ||
915 (grp = getgrgid(gid)) == NULL) {
916 return NT_STATUS_INVALID_PRIMARY_GROUP;
919 if (smb_set_primary_group(grp->gr_name,
920 pdb_get_username(sampass)) != 0) {
921 return NT_STATUS_ACCESS_DENIED;
927 NTSTATUS pdb_set_unix_primary_group(TALLOC_CTX *mem_ctx, struct samu *user)
929 struct pdb_methods *pdb = pdb_get_methods();
930 return pdb->set_unix_primary_group(pdb, mem_ctx, user);
934 * Helper function to see whether a user is in a group. We can't use
935 * user_in_group_sid here because this creates dependencies only smbd can
939 static bool pdb_user_in_group(TALLOC_CTX *mem_ctx, struct samu *account,
940 const struct dom_sid *group_sid)
942 struct dom_sid *sids;
944 uint32_t i, num_groups;
946 if (!NT_STATUS_IS_OK(pdb_enum_group_memberships(mem_ctx, account,
952 for (i=0; i<num_groups; i++) {
953 if (dom_sid_equal(group_sid, &sids[i])) {
960 static NTSTATUS pdb_default_add_groupmem(struct pdb_methods *methods,
965 struct dom_sid group_sid, member_sid;
966 struct samu *account = NULL;
970 const char *group_name;
973 map = talloc_zero(mem_ctx, GROUP_MAP);
975 return NT_STATUS_NO_MEMORY;
979 map->gid = (gid_t) -1;
981 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
982 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
984 if (!get_domain_group_from_sid(group_sid, map) ||
985 (map->gid == (gid_t)-1) ||
986 ((grp = getgrgid(map->gid)) == NULL)) {
987 return NT_STATUS_NO_SUCH_GROUP;
992 group_name = talloc_strdup(mem_ctx, grp->gr_name);
993 if (group_name == NULL) {
994 return NT_STATUS_NO_MEMORY;
997 if ( !(account = samu_new( NULL )) ) {
998 return NT_STATUS_NO_MEMORY;
1001 if (!pdb_getsampwsid(account, &member_sid) ||
1002 !sid_to_uid(&member_sid, &uid) ||
1003 ((pwd = getpwuid_alloc(mem_ctx, uid)) == NULL)) {
1004 return NT_STATUS_NO_SUCH_USER;
1007 if (pdb_user_in_group(mem_ctx, account, &group_sid)) {
1008 return NT_STATUS_MEMBER_IN_GROUP;
1012 * ok, the group exist, the user exist, the user is not in the group,
1013 * we can (finally) add it to the group !
1016 smb_add_user_group(group_name, pwd->pw_name);
1018 if (!pdb_user_in_group(mem_ctx, account, &group_sid)) {
1019 return NT_STATUS_ACCESS_DENIED;
1022 return NT_STATUS_OK;
1025 NTSTATUS pdb_add_groupmem(TALLOC_CTX *mem_ctx, uint32_t group_rid,
1026 uint32_t member_rid)
1028 struct pdb_methods *pdb = pdb_get_methods();
1029 return pdb->add_groupmem(pdb, mem_ctx, group_rid, member_rid);
1032 static NTSTATUS pdb_default_del_groupmem(struct pdb_methods *methods,
1033 TALLOC_CTX *mem_ctx,
1035 uint32_t member_rid)
1037 struct dom_sid group_sid, member_sid;
1038 struct samu *account = NULL;
1042 const char *group_name;
1045 map = talloc_zero(mem_ctx, GROUP_MAP);
1047 return NT_STATUS_NO_MEMORY;
1050 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
1051 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
1053 if (!get_domain_group_from_sid(group_sid, map) ||
1054 (map->gid == (gid_t)-1) ||
1055 ((grp = getgrgid(map->gid)) == NULL)) {
1056 return NT_STATUS_NO_SUCH_GROUP;
1061 group_name = talloc_strdup(mem_ctx, grp->gr_name);
1062 if (group_name == NULL) {
1063 return NT_STATUS_NO_MEMORY;
1066 if ( !(account = samu_new( NULL )) ) {
1067 return NT_STATUS_NO_MEMORY;
1070 if (!pdb_getsampwsid(account, &member_sid) ||
1071 !sid_to_uid(&member_sid, &uid) ||
1072 ((pwd = getpwuid_alloc(mem_ctx, uid)) == NULL)) {
1073 return NT_STATUS_NO_SUCH_USER;
1076 if (!pdb_user_in_group(mem_ctx, account, &group_sid)) {
1077 return NT_STATUS_MEMBER_NOT_IN_GROUP;
1081 * ok, the group exist, the user exist, the user is in the group,
1082 * we can (finally) delete it from the group!
1085 smb_delete_user_group(group_name, pwd->pw_name);
1087 if (pdb_user_in_group(mem_ctx, account, &group_sid)) {
1088 return NT_STATUS_ACCESS_DENIED;
1091 return NT_STATUS_OK;
1094 NTSTATUS pdb_del_groupmem(TALLOC_CTX *mem_ctx, uint32_t group_rid,
1095 uint32_t member_rid)
1097 struct pdb_methods *pdb = pdb_get_methods();
1098 return pdb->del_groupmem(pdb, mem_ctx, group_rid, member_rid);
1101 NTSTATUS pdb_create_alias(const char *name, uint32_t *rid)
1103 struct pdb_methods *pdb = pdb_get_methods();
1104 return pdb->create_alias(pdb, name, rid);
1107 NTSTATUS pdb_delete_alias(const struct dom_sid *sid)
1109 struct pdb_methods *pdb = pdb_get_methods();
1110 return pdb->delete_alias(pdb, sid);
1113 NTSTATUS pdb_get_aliasinfo(const struct dom_sid *sid, struct acct_info *info)
1115 struct pdb_methods *pdb = pdb_get_methods();
1116 return pdb->get_aliasinfo(pdb, sid, info);
1119 NTSTATUS pdb_set_aliasinfo(const struct dom_sid *sid, struct acct_info *info)
1121 struct pdb_methods *pdb = pdb_get_methods();
1122 return pdb->set_aliasinfo(pdb, sid, info);
1125 NTSTATUS pdb_add_aliasmem(const struct dom_sid *alias, const struct dom_sid *member)
1127 struct pdb_methods *pdb = pdb_get_methods();
1128 return pdb->add_aliasmem(pdb, alias, member);
1131 NTSTATUS pdb_del_aliasmem(const struct dom_sid *alias, const struct dom_sid *member)
1133 struct pdb_methods *pdb = pdb_get_methods();
1134 return pdb->del_aliasmem(pdb, alias, member);
1137 NTSTATUS pdb_enum_aliasmem(const struct dom_sid *alias, TALLOC_CTX *mem_ctx,
1138 struct dom_sid **pp_members, size_t *p_num_members)
1140 struct pdb_methods *pdb = pdb_get_methods();
1141 return pdb->enum_aliasmem(pdb, alias, mem_ctx, pp_members,
1145 NTSTATUS pdb_enum_alias_memberships(TALLOC_CTX *mem_ctx,
1146 const struct dom_sid *domain_sid,
1147 const struct dom_sid *members, size_t num_members,
1148 uint32_t **pp_alias_rids,
1149 size_t *p_num_alias_rids)
1151 struct pdb_methods *pdb = pdb_get_methods();
1152 return pdb->enum_alias_memberships(pdb, mem_ctx,
1154 members, num_members,
1159 NTSTATUS pdb_lookup_rids(const struct dom_sid *domain_sid,
1163 enum lsa_SidType *attrs)
1165 struct pdb_methods *pdb = pdb_get_methods();
1166 return pdb->lookup_rids(pdb, domain_sid, num_rids, rids, names, attrs);
1170 * NOTE: pdb_lookup_names is currently (2007-01-12) not used anywhere
1171 * in the samba code.
1172 * Unlike _lsa_lookup_sids and _samr_lookup_rids, which eventually
1173 * also ask pdb_lookup_rids, thus looking up a bunch of rids at a time,
1174 * the pdb_ calls _lsa_lookup_names and _samr_lookup_names come
1175 * down to are pdb_getsampwnam and pdb_getgrnam instead of
1177 * But in principle, it the call belongs to the API and might get
1178 * used in this context some day.
1181 NTSTATUS pdb_lookup_names(const struct dom_sid *domain_sid,
1185 enum lsa_SidType *attrs)
1187 struct pdb_methods *pdb = pdb_get_methods();
1188 return pdb->lookup_names(pdb, domain_sid, num_names, names, rids, attrs);
1192 bool pdb_get_account_policy(enum pdb_policy_type type, uint32_t *value)
1194 struct pdb_methods *pdb = pdb_get_methods();
1198 status = pdb->get_account_policy(pdb, type, value);
1201 return NT_STATUS_IS_OK(status);
1204 bool pdb_set_account_policy(enum pdb_policy_type type, uint32_t value)
1206 struct pdb_methods *pdb = pdb_get_methods();
1210 status = pdb->set_account_policy(pdb, type, value);
1213 return NT_STATUS_IS_OK(status);
1216 bool pdb_get_seq_num(time_t *seq_num)
1218 struct pdb_methods *pdb = pdb_get_methods();
1219 return NT_STATUS_IS_OK(pdb->get_seq_num(pdb, seq_num));
1222 bool pdb_uid_to_sid(uid_t uid, struct dom_sid *sid)
1224 struct pdb_methods *pdb = pdb_get_methods();
1225 return pdb->uid_to_sid(pdb, uid, sid);
1228 bool pdb_gid_to_sid(gid_t gid, struct dom_sid *sid)
1230 struct pdb_methods *pdb = pdb_get_methods();
1231 return pdb->gid_to_sid(pdb, gid, sid);
1234 bool pdb_sid_to_id(const struct dom_sid *sid, union unid_t *id,
1235 enum lsa_SidType *type)
1237 struct pdb_methods *pdb = pdb_get_methods();
1238 return pdb->sid_to_id(pdb, sid, id, type);
1241 uint32_t pdb_capabilities(void)
1243 struct pdb_methods *pdb = pdb_get_methods();
1244 return pdb->capabilities(pdb);
1247 /********************************************************************
1248 Allocate a new RID from the passdb backend. Verify that it is free
1249 by calling lookup_global_sam_rid() to verify that the RID is not
1250 in use. This handles servers that have existing users or groups
1251 with add RIDs (assigned from previous algorithmic mappings)
1252 ********************************************************************/
1254 bool pdb_new_rid(uint32_t *rid)
1256 struct pdb_methods *pdb = pdb_get_methods();
1257 const char *name = NULL;
1258 enum lsa_SidType type;
1259 uint32_t allocated_rid = 0;
1263 if ((pdb_capabilities() & PDB_CAP_STORE_RIDS) == 0) {
1264 DEBUG(0, ("Trying to allocate a RID when algorithmic RIDs "
1269 if (algorithmic_rid_base() != BASE_RID) {
1270 DEBUG(0, ("'algorithmic rid base' is set but a passdb backend "
1271 "without algorithmic RIDs is chosen.\n"));
1272 DEBUGADD(0, ("Please map all used groups using 'net groupmap "
1273 "add', set the maximum used RID\n"));
1274 DEBUGADD(0, ("and remove the parameter\n"));
1278 if ( (ctx = talloc_init("pdb_new_rid")) == NULL ) {
1279 DEBUG(0,("pdb_new_rid: Talloc initialization failure\n"));
1283 /* Attempt to get an unused RID (max tires is 250...yes that it is
1284 and arbitrary number I pulkled out of my head). -- jerry */
1286 for ( i=0; allocated_rid==0 && i<250; i++ ) {
1289 if ( !pdb->new_rid(pdb, &allocated_rid) ) {
1293 /* validate that the RID is not in use */
1295 if ( lookup_global_sam_rid( ctx, allocated_rid, &name, &type, NULL ) ) {
1302 if ( allocated_rid == 0 ) {
1303 DEBUG(0,("pdb_new_rid: Failed to find unused RID\n"));
1307 *rid = allocated_rid;
1312 /***************************************************************
1313 Initialize the static context (at smbd startup etc).
1315 If uninitialised, context will auto-init on first use.
1316 ***************************************************************/
1318 bool initialize_password_db(bool reload, struct event_context *event_ctx)
1320 pdb_event_ctx = event_ctx;
1321 return (pdb_get_methods_reload(reload) != NULL);
1325 /***************************************************************************
1326 Default implementations of some functions.
1327 ****************************************************************************/
1329 static NTSTATUS pdb_default_getsampwnam (struct pdb_methods *methods, struct samu *user, const char *sname)
1331 return NT_STATUS_NO_SUCH_USER;
1334 static NTSTATUS pdb_default_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1336 return NT_STATUS_NO_SUCH_USER;
1339 static NTSTATUS pdb_default_add_sam_account (struct pdb_methods *methods, struct samu *newpwd)
1341 return NT_STATUS_NOT_IMPLEMENTED;
1344 static NTSTATUS pdb_default_update_sam_account (struct pdb_methods *methods, struct samu *newpwd)
1346 return NT_STATUS_NOT_IMPLEMENTED;
1349 static NTSTATUS pdb_default_delete_sam_account (struct pdb_methods *methods, struct samu *pwd)
1351 return NT_STATUS_NOT_IMPLEMENTED;
1354 static NTSTATUS pdb_default_rename_sam_account (struct pdb_methods *methods, struct samu *pwd, const char *newname)
1356 return NT_STATUS_NOT_IMPLEMENTED;
1359 static NTSTATUS pdb_default_update_login_attempts (struct pdb_methods *methods, struct samu *newpwd, bool success)
1361 /* Only the pdb_nds backend implements this, by
1362 * default just return ok. */
1363 return NT_STATUS_OK;
1366 static NTSTATUS pdb_default_get_account_policy(struct pdb_methods *methods, enum pdb_policy_type type, uint32_t *value)
1368 return account_policy_get(type, value) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1371 static NTSTATUS pdb_default_set_account_policy(struct pdb_methods *methods, enum pdb_policy_type type, uint32_t value)
1373 return account_policy_set(type, value) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
1376 static NTSTATUS pdb_default_get_seq_num(struct pdb_methods *methods, time_t *seq_num)
1378 *seq_num = time(NULL);
1379 return NT_STATUS_OK;
1382 static bool pdb_default_uid_to_sid(struct pdb_methods *methods, uid_t uid,
1383 struct dom_sid *sid)
1385 struct samu *sampw = NULL;
1386 struct passwd *unix_pw;
1389 unix_pw = sys_getpwuid( uid );
1392 DEBUG(4,("pdb_default_uid_to_sid: host has no idea of uid "
1393 "%lu\n", (unsigned long)uid));
1397 if ( !(sampw = samu_new( NULL )) ) {
1398 DEBUG(0,("pdb_default_uid_to_sid: samu_new() failed!\n"));
1403 ret = NT_STATUS_IS_OK(
1404 methods->getsampwnam(methods, sampw, unix_pw->pw_name ));
1408 DEBUG(5, ("pdb_default_uid_to_sid: Did not find user "
1409 "%s (%u)\n", unix_pw->pw_name, (unsigned int)uid));
1414 sid_copy(sid, pdb_get_user_sid(sampw));
1421 static bool pdb_default_gid_to_sid(struct pdb_methods *methods, gid_t gid,
1422 struct dom_sid *sid)
1426 map = talloc_zero(NULL, GROUP_MAP);
1431 if (!NT_STATUS_IS_OK(methods->getgrgid(methods, map, gid))) {
1436 sid_copy(sid, &map->sid);
1441 static bool pdb_default_sid_to_id(struct pdb_methods *methods,
1442 const struct dom_sid *sid,
1443 union unid_t *id, enum lsa_SidType *type)
1445 TALLOC_CTX *mem_ctx;
1450 mem_ctx = talloc_new(NULL);
1452 if (mem_ctx == NULL) {
1453 DEBUG(0, ("talloc_new failed\n"));
1457 if (sid_peek_check_rid(get_global_sam_sid(), sid, &rid)) {
1458 /* Here we might have users as well as groups and aliases */
1459 ret = lookup_global_sam_rid(mem_ctx, rid, &name, type, id);
1463 /* check for "Unix User" */
1465 if ( sid_peek_check_rid(&global_sid_Unix_Users, sid, &rid) ) {
1467 *type = SID_NAME_USER;
1472 /* check for "Unix Group" */
1474 if ( sid_peek_check_rid(&global_sid_Unix_Groups, sid, &rid) ) {
1476 *type = SID_NAME_ALIAS;
1483 if (sid_check_is_in_builtin(sid) ||
1484 sid_check_is_in_wellknown_domain(sid)) {
1485 /* Here we only have aliases */
1488 map = talloc_zero(mem_ctx, GROUP_MAP);
1494 if (!NT_STATUS_IS_OK(methods->getgrsid(methods, map, *sid))) {
1495 DEBUG(10, ("Could not find map for sid %s\n",
1496 sid_string_dbg(sid)));
1499 if ((map->sid_name_use != SID_NAME_ALIAS) &&
1500 (map->sid_name_use != SID_NAME_WKN_GRP)) {
1501 DEBUG(10, ("Map for sid %s is a %s, expected an "
1502 "alias\n", sid_string_dbg(sid),
1503 sid_type_lookup(map->sid_name_use)));
1508 *type = SID_NAME_ALIAS;
1513 DEBUG(5, ("Sid %s is neither ours, a Unix SID, nor builtin\n",
1514 sid_string_dbg(sid)));
1518 TALLOC_FREE(mem_ctx);
1522 static bool get_memberuids(TALLOC_CTX *mem_ctx, gid_t gid, uid_t **pp_uids, uint32_t *p_num)
1533 /* We only look at our own sam, so don't care about imported stuff */
1534 winbind_env = winbind_env_set();
1535 (void)winbind_off();
1537 if ((grp = getgrgid(gid)) == NULL) {
1538 /* allow winbindd lookups, but only if they weren't already disabled */
1542 /* Primary group members */
1544 while ((pwd = getpwent()) != NULL) {
1545 if (pwd->pw_gid == gid) {
1546 if (!add_uid_to_array_unique(mem_ctx, pwd->pw_uid,
1554 /* Secondary group members */
1555 for (gr = grp->gr_mem; (*gr != NULL) && ((*gr)[0] != '\0'); gr += 1) {
1556 struct passwd *pw = getpwnam(*gr);
1560 if (!add_uid_to_array_unique(mem_ctx, pw->pw_uid, pp_uids, p_num)) {
1569 /* allow winbindd lookups, but only if they weren't already disabled */
1577 static NTSTATUS pdb_default_enum_group_members(struct pdb_methods *methods,
1578 TALLOC_CTX *mem_ctx,
1579 const struct dom_sid *group,
1580 uint32_t **pp_member_rids,
1581 size_t *p_num_members)
1585 uint32_t i, num_uids;
1587 *pp_member_rids = NULL;
1590 if (!sid_to_gid(group, &gid))
1591 return NT_STATUS_NO_SUCH_GROUP;
1593 if(!get_memberuids(mem_ctx, gid, &uids, &num_uids))
1594 return NT_STATUS_NO_SUCH_GROUP;
1597 return NT_STATUS_OK;
1599 *pp_member_rids = talloc_zero_array(mem_ctx, uint32_t, num_uids);
1601 for (i=0; i<num_uids; i++) {
1604 uid_to_sid(&sid, uids[i]);
1606 if (!sid_check_is_in_our_domain(&sid)) {
1607 DEBUG(5, ("Inconsistent SAM -- group member uid not "
1608 "in our domain\n"));
1612 sid_peek_rid(&sid, &(*pp_member_rids)[*p_num_members]);
1613 *p_num_members += 1;
1616 return NT_STATUS_OK;
1619 static NTSTATUS pdb_default_enum_group_memberships(struct pdb_methods *methods,
1620 TALLOC_CTX *mem_ctx,
1622 struct dom_sid **pp_sids,
1624 uint32_t *p_num_groups)
1629 const char *username = pdb_get_username(user);
1632 /* Ignore the primary group SID. Honor the real Unix primary group.
1633 The primary group SID is only of real use to Windows clients */
1635 if ( !(pw = Get_Pwnam_alloc(mem_ctx, username)) ) {
1636 return NT_STATUS_NO_SUCH_USER;
1643 if (!getgroups_unix_user(mem_ctx, username, gid, pp_gids, p_num_groups)) {
1644 return NT_STATUS_NO_SUCH_USER;
1647 if (*p_num_groups == 0) {
1648 smb_panic("primary group missing");
1651 *pp_sids = talloc_array(mem_ctx, struct dom_sid, *p_num_groups);
1653 if (*pp_sids == NULL) {
1654 TALLOC_FREE(*pp_gids);
1655 return NT_STATUS_NO_MEMORY;
1658 for (i=0; i<*p_num_groups; i++) {
1659 gid_to_sid(&(*pp_sids)[i], (*pp_gids)[i]);
1662 return NT_STATUS_OK;
1665 /*******************************************************************
1666 Look up a rid in the SAM we're responsible for (i.e. passdb)
1667 ********************************************************************/
1669 static bool lookup_global_sam_rid(TALLOC_CTX *mem_ctx, uint32_t rid,
1671 enum lsa_SidType *psid_name_use,
1672 union unid_t *unix_id)
1674 struct samu *sam_account = NULL;
1675 GROUP_MAP *map = NULL;
1679 *psid_name_use = SID_NAME_UNKNOWN;
1681 DEBUG(5,("lookup_global_sam_rid: looking up RID %u.\n",
1682 (unsigned int)rid));
1684 sid_compose(&sid, get_global_sam_sid(), rid);
1686 /* see if the passdb can help us with the name of the user */
1688 if ( !(sam_account = samu_new( NULL )) ) {
1692 map = talloc_zero(mem_ctx, GROUP_MAP);
1697 /* BEING ROOT BLOCK */
1699 ret = pdb_getsampwsid(sam_account, &sid);
1701 TALLOC_FREE(sam_account);
1702 ret = pdb_getgrsid(map, sid);
1705 /* END BECOME_ROOT BLOCK */
1707 if (sam_account || !ret) {
1714 *name = talloc_strdup(mem_ctx, pdb_get_username(sam_account));
1716 TALLOC_FREE(sam_account);
1720 *psid_name_use = SID_NAME_USER;
1722 TALLOC_FREE(sam_account);
1724 if (unix_id == NULL) {
1728 pw = Get_Pwnam_alloc(talloc_tos(), *name);
1732 unix_id->uid = pw->pw_uid;
1736 } else if (map && (map->gid != (gid_t)-1)) {
1738 /* do not resolve SIDs to a name unless there is a valid
1739 gid associated with it */
1741 *name = talloc_steal(mem_ctx, map->nt_name);
1742 *psid_name_use = map->sid_name_use;
1745 unix_id->gid = map->gid;
1754 /* Windows will always map RID 513 to something. On a non-domain
1755 controller, this gets mapped to SERVER\None. */
1758 DEBUG(5, ("Can't find a unix id for an unmapped group\n"));
1762 if ( rid == DOMAIN_RID_USERS ) {
1763 *name = talloc_strdup(mem_ctx, "None" );
1764 *psid_name_use = SID_NAME_DOM_GRP;
1772 static NTSTATUS pdb_default_lookup_rids(struct pdb_methods *methods,
1773 const struct dom_sid *domain_sid,
1777 enum lsa_SidType *attrs)
1781 bool have_mapped = False;
1782 bool have_unmapped = False;
1784 if (sid_check_is_builtin(domain_sid)) {
1786 for (i=0; i<num_rids; i++) {
1789 if (lookup_builtin_rid(names, rids[i], &name)) {
1790 attrs[i] = SID_NAME_ALIAS;
1792 DEBUG(5,("lookup_rids: %s:%d\n",
1793 names[i], attrs[i]));
1796 have_unmapped = True;
1797 attrs[i] = SID_NAME_UNKNOWN;
1803 /* Should not happen, but better check once too many */
1804 if (!sid_check_is_domain(domain_sid)) {
1805 return NT_STATUS_INVALID_HANDLE;
1808 for (i = 0; i < num_rids; i++) {
1811 if (lookup_global_sam_rid(names, rids[i], &name, &attrs[i],
1814 return NT_STATUS_NO_MEMORY;
1817 DEBUG(5,("lookup_rids: %s:%d\n", names[i], attrs[i]));
1820 have_unmapped = True;
1821 attrs[i] = SID_NAME_UNKNOWN;
1827 result = NT_STATUS_NONE_MAPPED;
1830 result = have_unmapped ? STATUS_SOME_UNMAPPED : NT_STATUS_OK;
1836 static NTSTATUS pdb_default_lookup_names(struct pdb_methods *methods,
1837 const struct dom_sid *domain_sid,
1841 enum lsa_SidType *attrs)
1845 bool have_mapped = False;
1846 bool have_unmapped = False;
1848 if (sid_check_is_builtin(domain_sid)) {
1850 for (i=0; i<num_names; i++) {
1853 if (lookup_builtin_name(names[i], &rid)) {
1854 attrs[i] = SID_NAME_ALIAS;
1856 DEBUG(5,("lookup_rids: %s:%d\n",
1857 names[i], attrs[i]));
1860 have_unmapped = True;
1861 attrs[i] = SID_NAME_UNKNOWN;
1867 /* Should not happen, but better check once too many */
1868 if (!sid_check_is_domain(domain_sid)) {
1869 return NT_STATUS_INVALID_HANDLE;
1872 for (i = 0; i < num_names; i++) {
1873 if (lookup_global_sam_name(names[i], 0, &rids[i], &attrs[i])) {
1874 DEBUG(5,("lookup_names: %s-> %d:%d\n", names[i],
1875 rids[i], attrs[i]));
1878 have_unmapped = True;
1879 attrs[i] = SID_NAME_UNKNOWN;
1885 result = NT_STATUS_NONE_MAPPED;
1888 result = have_unmapped ? STATUS_SOME_UNMAPPED : NT_STATUS_OK;
1894 static int pdb_search_destructor(struct pdb_search *search)
1896 if ((!search->search_ended) && (search->search_end != NULL)) {
1897 search->search_end(search);
1902 struct pdb_search *pdb_search_init(TALLOC_CTX *mem_ctx,
1903 enum pdb_search_type type)
1905 struct pdb_search *result;
1907 result = talloc(mem_ctx, struct pdb_search);
1908 if (result == NULL) {
1909 DEBUG(0, ("talloc failed\n"));
1913 result->type = type;
1914 result->cache = NULL;
1915 result->num_entries = 0;
1916 result->cache_size = 0;
1917 result->search_ended = False;
1918 result->search_end = NULL;
1920 /* Segfault appropriately if not initialized */
1921 result->next_entry = NULL;
1922 result->search_end = NULL;
1924 talloc_set_destructor(result, pdb_search_destructor);
1929 static void fill_displayentry(TALLOC_CTX *mem_ctx, uint32_t rid,
1930 uint16_t acct_flags,
1931 const char *account_name,
1932 const char *fullname,
1933 const char *description,
1934 struct samr_displayentry *entry)
1937 entry->acct_flags = acct_flags;
1939 if (account_name != NULL)
1940 entry->account_name = talloc_strdup(mem_ctx, account_name);
1942 entry->account_name = "";
1944 if (fullname != NULL)
1945 entry->fullname = talloc_strdup(mem_ctx, fullname);
1947 entry->fullname = "";
1949 if (description != NULL)
1950 entry->description = talloc_strdup(mem_ctx, description);
1952 entry->description = "";
1955 struct group_search {
1957 size_t num_groups, current_group;
1960 static bool next_entry_groups(struct pdb_search *s,
1961 struct samr_displayentry *entry)
1963 struct group_search *state = (struct group_search *)s->private_data;
1967 if (state->current_group == state->num_groups)
1970 map = state->groups[state->current_group];
1972 sid_peek_rid(&map->sid, &rid);
1974 fill_displayentry(s, rid, 0, map->nt_name, NULL, map->comment, entry);
1976 state->current_group += 1;
1980 static void search_end_groups(struct pdb_search *search)
1982 struct group_search *state =
1983 (struct group_search *)search->private_data;
1984 TALLOC_FREE(state->groups);
1987 static bool pdb_search_grouptype(struct pdb_methods *methods,
1988 struct pdb_search *search,
1989 const struct dom_sid *sid, enum lsa_SidType type)
1991 struct group_search *state;
1993 state = talloc_zero(search, struct group_search);
1994 if (state == NULL) {
1995 DEBUG(0, ("talloc failed\n"));
1999 if (!NT_STATUS_IS_OK(methods->enum_group_mapping(methods, sid, type,
2000 &state->groups, &state->num_groups,
2002 DEBUG(0, ("Could not enum groups\n"));
2006 state->current_group = 0;
2007 search->private_data = state;
2008 search->next_entry = next_entry_groups;
2009 search->search_end = search_end_groups;
2013 static bool pdb_default_search_groups(struct pdb_methods *methods,
2014 struct pdb_search *search)
2016 return pdb_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
2019 static bool pdb_default_search_aliases(struct pdb_methods *methods,
2020 struct pdb_search *search,
2021 const struct dom_sid *sid)
2024 return pdb_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
2027 static struct samr_displayentry *pdb_search_getentry(struct pdb_search *search,
2030 if (idx < search->num_entries)
2031 return &search->cache[idx];
2033 if (search->search_ended)
2036 while (idx >= search->num_entries) {
2037 struct samr_displayentry entry;
2039 if (!search->next_entry(search, &entry)) {
2040 search->search_end(search);
2041 search->search_ended = True;
2045 ADD_TO_LARGE_ARRAY(search, struct samr_displayentry,
2046 entry, &search->cache, &search->num_entries,
2047 &search->cache_size);
2050 return (search->num_entries > idx) ? &search->cache[idx] : NULL;
2053 struct pdb_search *pdb_search_users(TALLOC_CTX *mem_ctx, uint32_t acct_flags)
2055 struct pdb_methods *pdb = pdb_get_methods();
2056 struct pdb_search *result;
2058 result = pdb_search_init(mem_ctx, PDB_USER_SEARCH);
2059 if (result == NULL) {
2063 if (!pdb->search_users(pdb, result, acct_flags)) {
2064 TALLOC_FREE(result);
2070 struct pdb_search *pdb_search_groups(TALLOC_CTX *mem_ctx)
2072 struct pdb_methods *pdb = pdb_get_methods();
2073 struct pdb_search *result;
2075 result = pdb_search_init(mem_ctx, PDB_GROUP_SEARCH);
2076 if (result == NULL) {
2080 if (!pdb->search_groups(pdb, result)) {
2081 TALLOC_FREE(result);
2087 struct pdb_search *pdb_search_aliases(TALLOC_CTX *mem_ctx, const struct dom_sid *sid)
2089 struct pdb_methods *pdb = pdb_get_methods();
2090 struct pdb_search *result;
2092 if (pdb == NULL) return NULL;
2094 result = pdb_search_init(mem_ctx, PDB_ALIAS_SEARCH);
2095 if (result == NULL) {
2099 if (!pdb->search_aliases(pdb, result, sid)) {
2100 TALLOC_FREE(result);
2106 uint32_t pdb_search_entries(struct pdb_search *search,
2107 uint32_t start_idx, uint32_t max_entries,
2108 struct samr_displayentry **result)
2110 struct samr_displayentry *end_entry;
2111 uint32_t end_idx = start_idx+max_entries-1;
2113 /* The first entry needs to be searched after the last. Otherwise the
2114 * first entry might have moved due to a realloc during the search for
2115 * the last entry. */
2117 end_entry = pdb_search_getentry(search, end_idx);
2118 *result = pdb_search_getentry(search, start_idx);
2120 if (end_entry != NULL)
2123 if (start_idx >= search->num_entries)
2126 return search->num_entries - start_idx;
2129 /*******************************************************************
2131 *******************************************************************/
2133 bool pdb_get_trusteddom_pw(const char *domain, char** pwd, struct dom_sid *sid,
2134 time_t *pass_last_set_time)
2136 struct pdb_methods *pdb = pdb_get_methods();
2137 return pdb->get_trusteddom_pw(pdb, domain, pwd, sid,
2138 pass_last_set_time);
2141 bool pdb_set_trusteddom_pw(const char* domain, const char* pwd,
2142 const struct dom_sid *sid)
2144 struct pdb_methods *pdb = pdb_get_methods();
2145 return pdb->set_trusteddom_pw(pdb, domain, pwd, sid);
2148 bool pdb_del_trusteddom_pw(const char *domain)
2150 struct pdb_methods *pdb = pdb_get_methods();
2151 return pdb->del_trusteddom_pw(pdb, domain);
2154 NTSTATUS pdb_enum_trusteddoms(TALLOC_CTX *mem_ctx, uint32_t *num_domains,
2155 struct trustdom_info ***domains)
2157 struct pdb_methods *pdb = pdb_get_methods();
2158 return pdb->enum_trusteddoms(pdb, mem_ctx, num_domains, domains);
2161 /*******************************************************************
2162 the defaults for trustdom methods:
2163 these simply call the original passdb/secrets.c actions,
2164 to be replaced by pdb_ldap.
2165 *******************************************************************/
2167 static bool pdb_default_get_trusteddom_pw(struct pdb_methods *methods,
2170 struct dom_sid *sid,
2171 time_t *pass_last_set_time)
2173 return secrets_fetch_trusted_domain_password(domain, pwd,
2174 sid, pass_last_set_time);
2178 static bool pdb_default_set_trusteddom_pw(struct pdb_methods *methods,
2181 const struct dom_sid *sid)
2183 return secrets_store_trusted_domain_password(domain, pwd, sid);
2186 static bool pdb_default_del_trusteddom_pw(struct pdb_methods *methods,
2189 return trusted_domain_password_delete(domain);
2192 static NTSTATUS pdb_default_enum_trusteddoms(struct pdb_methods *methods,
2193 TALLOC_CTX *mem_ctx,
2194 uint32_t *num_domains,
2195 struct trustdom_info ***domains)
2197 return secrets_trusted_domains(mem_ctx, num_domains, domains);
2200 /*******************************************************************
2201 trusted_domain methods
2202 *******************************************************************/
2204 NTSTATUS pdb_get_trusted_domain(TALLOC_CTX *mem_ctx, const char *domain,
2205 struct pdb_trusted_domain **td)
2207 struct pdb_methods *pdb = pdb_get_methods();
2208 return pdb->get_trusted_domain(pdb, mem_ctx, domain, td);
2211 NTSTATUS pdb_get_trusted_domain_by_sid(TALLOC_CTX *mem_ctx, struct dom_sid *sid,
2212 struct pdb_trusted_domain **td)
2214 struct pdb_methods *pdb = pdb_get_methods();
2215 return pdb->get_trusted_domain_by_sid(pdb, mem_ctx, sid, td);
2218 NTSTATUS pdb_set_trusted_domain(const char* domain,
2219 const struct pdb_trusted_domain *td)
2221 struct pdb_methods *pdb = pdb_get_methods();
2222 return pdb->set_trusted_domain(pdb, domain, td);
2225 NTSTATUS pdb_del_trusted_domain(const char *domain)
2227 struct pdb_methods *pdb = pdb_get_methods();
2228 return pdb->del_trusted_domain(pdb, domain);
2231 NTSTATUS pdb_enum_trusted_domains(TALLOC_CTX *mem_ctx, uint32_t *num_domains,
2232 struct pdb_trusted_domain ***domains)
2234 struct pdb_methods *pdb = pdb_get_methods();
2235 return pdb->enum_trusted_domains(pdb, mem_ctx, num_domains, domains);
2238 static NTSTATUS pdb_default_get_trusted_domain(struct pdb_methods *methods,
2239 TALLOC_CTX *mem_ctx,
2241 struct pdb_trusted_domain **td)
2243 struct trustAuthInOutBlob taiob;
2244 struct AuthenticationInformation aia;
2245 struct pdb_trusted_domain *tdom;
2246 enum ndr_err_code ndr_err;
2247 time_t last_set_time;
2251 tdom = talloc(mem_ctx, struct pdb_trusted_domain);
2253 return NT_STATUS_NO_MEMORY;
2256 tdom->domain_name = talloc_strdup(tdom, domain);
2257 tdom->netbios_name = talloc_strdup(tdom, domain);
2258 if (!tdom->domain_name || !tdom->netbios_name) {
2260 return NT_STATUS_NO_MEMORY;
2263 tdom->trust_auth_incoming = data_blob_null;
2265 ok = pdb_get_trusteddom_pw(domain, &pwd, &tdom->security_identifier,
2269 return NT_STATUS_UNSUCCESSFUL;
2275 taiob.current.count = 1;
2276 taiob.current.array = &aia;
2277 unix_to_nt_time(&aia.LastUpdateTime, last_set_time);
2278 aia.AuthType = TRUST_AUTH_TYPE_CLEAR;
2279 aia.AuthInfo.clear.password = (uint8_t *) pwd;
2280 aia.AuthInfo.clear.size = strlen(pwd);
2281 taiob.previous.count = 0;
2282 taiob.previous.array = NULL;
2284 ndr_err = ndr_push_struct_blob(&tdom->trust_auth_outgoing,
2286 (ndr_push_flags_fn_t)ndr_push_trustAuthInOutBlob);
2287 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2289 return NT_STATUS_UNSUCCESSFUL;
2292 tdom->trust_direction = LSA_TRUST_DIRECTION_OUTBOUND;
2293 tdom->trust_type = LSA_TRUST_TYPE_DOWNLEVEL;
2294 tdom->trust_attributes = 0;
2295 tdom->trust_forest_trust_info = data_blob_null;
2298 return NT_STATUS_OK;
2301 static NTSTATUS pdb_default_get_trusted_domain_by_sid(struct pdb_methods *methods,
2302 TALLOC_CTX *mem_ctx,
2303 struct dom_sid *sid,
2304 struct pdb_trusted_domain **td)
2306 return NT_STATUS_NOT_IMPLEMENTED;
2309 #define IS_NULL_DATA_BLOB(d) ((d).data == NULL && (d).length == 0)
2311 static NTSTATUS pdb_default_set_trusted_domain(struct pdb_methods *methods,
2313 const struct pdb_trusted_domain *td)
2315 struct trustAuthInOutBlob taiob;
2316 struct AuthenticationInformation *aia;
2317 enum ndr_err_code ndr_err;
2321 if (td->trust_attributes != 0 ||
2322 td->trust_type != LSA_TRUST_TYPE_DOWNLEVEL ||
2323 td->trust_direction != LSA_TRUST_DIRECTION_OUTBOUND ||
2324 !IS_NULL_DATA_BLOB(td->trust_auth_incoming) ||
2325 !IS_NULL_DATA_BLOB(td->trust_forest_trust_info)) {
2326 return NT_STATUS_NOT_IMPLEMENTED;
2330 ndr_err = ndr_pull_struct_blob(&td->trust_auth_outgoing, talloc_tos(),
2332 (ndr_pull_flags_fn_t)ndr_pull_trustAuthInOutBlob);
2333 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2334 return NT_STATUS_UNSUCCESSFUL;
2337 aia = (struct AuthenticationInformation *) taiob.current.array;
2339 if (taiob.count != 1 || taiob.current.count != 1 ||
2340 taiob.previous.count != 0 ||
2341 aia->AuthType != TRUST_AUTH_TYPE_CLEAR) {
2342 return NT_STATUS_NOT_IMPLEMENTED;
2345 pwd = talloc_strndup(talloc_tos(), (char *) aia->AuthInfo.clear.password,
2346 aia->AuthInfo.clear.size);
2348 return NT_STATUS_NO_MEMORY;
2351 ok = pdb_set_trusteddom_pw(domain, pwd, &td->security_identifier);
2353 return NT_STATUS_UNSUCCESSFUL;
2356 return NT_STATUS_OK;
2359 static NTSTATUS pdb_default_del_trusted_domain(struct pdb_methods *methods,
2362 return NT_STATUS_NOT_IMPLEMENTED;
2365 static NTSTATUS pdb_default_enum_trusted_domains(struct pdb_methods *methods,
2366 TALLOC_CTX *mem_ctx,
2367 uint32_t *num_domains,
2368 struct pdb_trusted_domain ***domains)
2370 return NT_STATUS_NOT_IMPLEMENTED;
2373 static struct pdb_domain_info *pdb_default_get_domain_info(
2374 struct pdb_methods *m, TALLOC_CTX *mem_ctx)
2379 /*******************************************************************
2381 *******************************************************************/
2383 NTSTATUS pdb_get_secret(TALLOC_CTX *mem_ctx,
2384 const char *secret_name,
2385 DATA_BLOB *secret_current,
2386 NTTIME *secret_current_lastchange,
2387 DATA_BLOB *secret_old,
2388 NTTIME *secret_old_lastchange,
2389 struct security_descriptor **sd)
2391 struct pdb_methods *pdb = pdb_get_methods();
2392 return pdb->get_secret(pdb, mem_ctx, secret_name,
2393 secret_current, secret_current_lastchange,
2394 secret_old, secret_old_lastchange,
2398 NTSTATUS pdb_set_secret(const char *secret_name,
2399 DATA_BLOB *secret_current,
2400 DATA_BLOB *secret_old,
2401 struct security_descriptor *sd)
2403 struct pdb_methods *pdb = pdb_get_methods();
2404 return pdb->set_secret(pdb, secret_name,
2410 NTSTATUS pdb_delete_secret(const char *secret_name)
2412 struct pdb_methods *pdb = pdb_get_methods();
2413 return pdb->delete_secret(pdb, secret_name);
2416 static NTSTATUS pdb_default_get_secret(struct pdb_methods *methods,
2417 TALLOC_CTX *mem_ctx,
2418 const char *secret_name,
2419 DATA_BLOB *secret_current,
2420 NTTIME *secret_current_lastchange,
2421 DATA_BLOB *secret_old,
2422 NTTIME *secret_old_lastchange,
2423 struct security_descriptor **sd)
2425 return lsa_secret_get(mem_ctx, secret_name,
2427 secret_current_lastchange,
2429 secret_old_lastchange,
2433 static NTSTATUS pdb_default_set_secret(struct pdb_methods *methods,
2434 const char *secret_name,
2435 DATA_BLOB *secret_current,
2436 DATA_BLOB *secret_old,
2437 struct security_descriptor *sd)
2439 return lsa_secret_set(secret_name,
2445 static NTSTATUS pdb_default_delete_secret(struct pdb_methods *methods,
2446 const char *secret_name)
2448 return lsa_secret_delete(secret_name);
2451 /*******************************************************************
2452 Create a pdb_methods structure and initialize it with the default
2453 operations. In this way a passdb module can simply implement
2454 the functionality it cares about. However, normally this is done
2455 in groups of related functions.
2456 *******************************************************************/
2458 NTSTATUS make_pdb_method( struct pdb_methods **methods )
2460 /* allocate memory for the structure as its own talloc CTX */
2462 *methods = talloc_zero(NULL, struct pdb_methods);
2463 if (*methods == NULL) {
2464 return NT_STATUS_NO_MEMORY;
2467 (*methods)->get_domain_info = pdb_default_get_domain_info;
2468 (*methods)->getsampwnam = pdb_default_getsampwnam;
2469 (*methods)->getsampwsid = pdb_default_getsampwsid;
2470 (*methods)->create_user = pdb_default_create_user;
2471 (*methods)->delete_user = pdb_default_delete_user;
2472 (*methods)->add_sam_account = pdb_default_add_sam_account;
2473 (*methods)->update_sam_account = pdb_default_update_sam_account;
2474 (*methods)->delete_sam_account = pdb_default_delete_sam_account;
2475 (*methods)->rename_sam_account = pdb_default_rename_sam_account;
2476 (*methods)->update_login_attempts = pdb_default_update_login_attempts;
2478 (*methods)->getgrsid = pdb_default_getgrsid;
2479 (*methods)->getgrgid = pdb_default_getgrgid;
2480 (*methods)->getgrnam = pdb_default_getgrnam;
2481 (*methods)->create_dom_group = pdb_default_create_dom_group;
2482 (*methods)->delete_dom_group = pdb_default_delete_dom_group;
2483 (*methods)->add_group_mapping_entry = pdb_default_add_group_mapping_entry;
2484 (*methods)->update_group_mapping_entry = pdb_default_update_group_mapping_entry;
2485 (*methods)->delete_group_mapping_entry = pdb_default_delete_group_mapping_entry;
2486 (*methods)->enum_group_mapping = pdb_default_enum_group_mapping;
2487 (*methods)->enum_group_members = pdb_default_enum_group_members;
2488 (*methods)->enum_group_memberships = pdb_default_enum_group_memberships;
2489 (*methods)->set_unix_primary_group = pdb_default_set_unix_primary_group;
2490 (*methods)->add_groupmem = pdb_default_add_groupmem;
2491 (*methods)->del_groupmem = pdb_default_del_groupmem;
2492 (*methods)->create_alias = pdb_default_create_alias;
2493 (*methods)->delete_alias = pdb_default_delete_alias;
2494 (*methods)->get_aliasinfo = pdb_default_get_aliasinfo;
2495 (*methods)->set_aliasinfo = pdb_default_set_aliasinfo;
2496 (*methods)->add_aliasmem = pdb_default_add_aliasmem;
2497 (*methods)->del_aliasmem = pdb_default_del_aliasmem;
2498 (*methods)->enum_aliasmem = pdb_default_enum_aliasmem;
2499 (*methods)->enum_alias_memberships = pdb_default_alias_memberships;
2500 (*methods)->lookup_rids = pdb_default_lookup_rids;
2501 (*methods)->get_account_policy = pdb_default_get_account_policy;
2502 (*methods)->set_account_policy = pdb_default_set_account_policy;
2503 (*methods)->get_seq_num = pdb_default_get_seq_num;
2504 (*methods)->uid_to_sid = pdb_default_uid_to_sid;
2505 (*methods)->gid_to_sid = pdb_default_gid_to_sid;
2506 (*methods)->sid_to_id = pdb_default_sid_to_id;
2508 (*methods)->search_groups = pdb_default_search_groups;
2509 (*methods)->search_aliases = pdb_default_search_aliases;
2511 (*methods)->get_trusteddom_pw = pdb_default_get_trusteddom_pw;
2512 (*methods)->set_trusteddom_pw = pdb_default_set_trusteddom_pw;
2513 (*methods)->del_trusteddom_pw = pdb_default_del_trusteddom_pw;
2514 (*methods)->enum_trusteddoms = pdb_default_enum_trusteddoms;
2516 (*methods)->get_trusted_domain = pdb_default_get_trusted_domain;
2517 (*methods)->get_trusted_domain_by_sid = pdb_default_get_trusted_domain_by_sid;
2518 (*methods)->set_trusted_domain = pdb_default_set_trusted_domain;
2519 (*methods)->del_trusted_domain = pdb_default_del_trusted_domain;
2520 (*methods)->enum_trusted_domains = pdb_default_enum_trusted_domains;
2522 (*methods)->get_secret = pdb_default_get_secret;
2523 (*methods)->set_secret = pdb_default_set_secret;
2524 (*methods)->delete_secret = pdb_default_delete_secret;
2526 return NT_STATUS_OK;