2 Unix SMB/CIFS implementation.
4 Winbind daemon for ntdom nss module
6 Copyright (C) Tim Potter 2000-2001
7 Copyright (C) 2001 by Martin Pool <mbp@samba.org>
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/>.
26 #include "../libcli/security/security.h"
29 #define DBGC_CLASS DBGC_WINBIND
31 extern struct winbindd_methods cache_methods;
34 * @file winbindd_util.cq
36 * Winbind daemon for NT domain authentication nss module.
40 /* The list of trusted domains. Note that the list can be deleted and
41 recreated using the init_domain_list() function so pointers to
42 individual winbindd_domain structures cannot be made. Keep a copy of
43 the domain name instead. */
45 static struct winbindd_domain *_domain_list = NULL;
47 struct winbindd_domain *domain_list(void)
51 if ((!_domain_list) && (!init_domain_list())) {
52 smb_panic("Init_domain_list failed");
58 /* Free all entries in the trusted domain list */
60 static void free_domain_list(void)
62 struct winbindd_domain *domain = _domain_list;
65 struct winbindd_domain *next = domain->next;
67 DLIST_REMOVE(_domain_list, domain);
73 static bool is_internal_domain(const struct dom_sid *sid)
78 return (sid_check_is_domain(sid) || sid_check_is_builtin(sid));
81 static bool is_in_internal_domain(const struct dom_sid *sid)
86 return (sid_check_is_in_our_domain(sid) || sid_check_is_in_builtin(sid));
90 /* Add a trusted domain to our list of domains */
91 static struct winbindd_domain *add_trusted_domain(const char *domain_name, const char *alt_name,
92 struct winbindd_methods *methods,
93 const struct dom_sid *sid)
95 struct winbindd_domain *domain;
96 const char *alternative_name = NULL;
97 char *idmap_config_option;
99 const char **ignored_domains, **dom;
101 ignored_domains = lp_parm_string_list(-1, "winbind", "ignore domains", NULL);
102 for (dom=ignored_domains; dom && *dom; dom++) {
103 if (gen_fnmatch(*dom, domain_name) == 0) {
104 DEBUG(2,("Ignoring domain '%s'\n", domain_name));
109 /* ignore alt_name if we are not in an AD domain */
111 if ( (lp_security() == SEC_ADS) && alt_name && *alt_name) {
112 alternative_name = alt_name;
115 /* We can't call domain_list() as this function is called from
116 init_domain_list() and we'll get stuck in a loop. */
117 for (domain = _domain_list; domain; domain = domain->next) {
118 if (strequal(domain_name, domain->name) ||
119 strequal(domain_name, domain->alt_name))
124 if (alternative_name && *alternative_name)
126 if (strequal(alternative_name, domain->name) ||
127 strequal(alternative_name, domain->alt_name))
135 if (is_null_sid(sid)) {
139 if (dom_sid_equal(sid, &domain->sid)) {
145 if (domain != NULL) {
147 * We found a match. Possibly update the SID
150 && dom_sid_equal(&domain->sid, &global_sid_NULL)) {
151 sid_copy( &domain->sid, sid );
156 /* Create new domain entry */
158 if ((domain = SMB_MALLOC_P(struct winbindd_domain)) == NULL)
163 ZERO_STRUCTP(domain);
165 fstrcpy(domain->name, domain_name);
166 if (alternative_name) {
167 fstrcpy(domain->alt_name, alternative_name);
170 domain->methods = methods;
171 domain->backend = NULL;
172 domain->internal = is_internal_domain(sid);
173 domain->sequence_number = DOM_SEQUENCE_NONE;
174 domain->last_seq_check = 0;
175 domain->initialized = False;
176 domain->online = is_internal_domain(sid);
177 domain->check_online_timeout = 0;
178 domain->dc_probe_pid = (pid_t)-1;
180 sid_copy(&domain->sid, sid);
183 /* Link to domain list */
184 DLIST_ADD_END(_domain_list, domain, struct winbindd_domain *);
186 wcache_tdc_add_domain( domain );
188 idmap_config_option = talloc_asprintf(talloc_tos(), "idmap config %s",
190 if (idmap_config_option == NULL) {
191 DEBUG(0, ("talloc failed, not looking for idmap config\n"));
195 param = lp_parm_const_string(-1, idmap_config_option, "range", NULL);
197 DEBUG(10, ("%s : range = %s\n", idmap_config_option,
198 param ? param : "not defined"));
201 unsigned low_id, high_id;
202 if (sscanf(param, "%u - %u", &low_id, &high_id) != 2) {
203 DEBUG(1, ("invalid range syntax in %s: %s\n",
204 idmap_config_option, param));
207 if (low_id > high_id) {
208 DEBUG(1, ("invalid range in %s: %s\n",
209 idmap_config_option, param));
212 domain->have_idmap_config = true;
213 domain->id_range_low = low_id;
214 domain->id_range_high = high_id;
219 DEBUG(2,("Added domain %s %s %s\n",
220 domain->name, domain->alt_name,
221 &domain->sid?sid_string_dbg(&domain->sid):""));
226 bool domain_is_forest_root(const struct winbindd_domain *domain)
228 const uint32_t fr_flags =
229 (NETR_TRUST_FLAG_TREEROOT|NETR_TRUST_FLAG_IN_FOREST);
231 return ((domain->domain_flags & fr_flags) == fr_flags);
234 /********************************************************************
235 rescan our domains looking for new trusted domains
236 ********************************************************************/
238 struct trustdom_state {
239 struct winbindd_domain *domain;
240 struct winbindd_request request;
243 static void trustdom_list_done(struct tevent_req *req);
244 static void rescan_forest_root_trusts( void );
245 static void rescan_forest_trusts( void );
247 static void add_trusted_domains( struct winbindd_domain *domain )
249 struct trustdom_state *state;
250 struct tevent_req *req;
252 state = TALLOC_ZERO_P(NULL, struct trustdom_state);
254 DEBUG(0, ("talloc failed\n"));
257 state->domain = domain;
259 state->request.length = sizeof(state->request);
260 state->request.cmd = WINBINDD_LIST_TRUSTDOM;
262 req = wb_domain_request_send(state, winbind_event_context(),
263 domain, &state->request);
265 DEBUG(1, ("wb_domain_request_send failed\n"));
269 tevent_req_set_callback(req, trustdom_list_done, state);
272 static void trustdom_list_done(struct tevent_req *req)
274 struct trustdom_state *state = tevent_req_callback_data(
275 req, struct trustdom_state);
276 struct winbindd_response *response;
280 res = wb_domain_request_recv(req, state, &response, &err);
281 if ((res == -1) || (response->result != WINBINDD_OK)) {
282 DEBUG(1, ("Could not receive trustdoms\n"));
287 p = (char *)response->extra_data.data;
289 while ((p != NULL) && (*p != '\0')) {
290 char *q, *sidstr, *alt_name;
292 struct winbindd_domain *domain;
293 char *alternate_name = NULL;
295 alt_name = strchr(p, '\\');
296 if (alt_name == NULL) {
297 DEBUG(0, ("Got invalid trustdom response\n"));
304 sidstr = strchr(alt_name, '\\');
305 if (sidstr == NULL) {
306 DEBUG(0, ("Got invalid trustdom response\n"));
313 q = strchr(sidstr, '\n');
317 if (!string_to_sid(&sid, sidstr)) {
318 DEBUG(0, ("Got invalid trustdom response\n"));
322 /* use the real alt_name if we have one, else pass in NULL */
324 if ( !strequal( alt_name, "(null)" ) )
325 alternate_name = alt_name;
327 /* If we have an existing domain structure, calling
328 add_trusted_domain() will update the SID if
329 necessary. This is important because we need the
330 SID for sibling domains */
332 if ( find_domain_from_name_noinit(p) != NULL ) {
333 domain = add_trusted_domain(p, alternate_name,
337 domain = add_trusted_domain(p, alternate_name,
341 setup_domain_child(domain);
350 Cases to consider when scanning trusts:
351 (a) we are calling from a child domain (primary && !forest_root)
352 (b) we are calling from the root of the forest (primary && forest_root)
353 (c) we are calling from a trusted forest domain (!primary
357 if (state->domain->primary) {
358 /* If this is our primary domain and we are not in the
359 forest root, we have to scan the root trusts first */
361 if (!domain_is_forest_root(state->domain))
362 rescan_forest_root_trusts();
364 rescan_forest_trusts();
366 } else if (domain_is_forest_root(state->domain)) {
367 /* Once we have done root forest trust search, we can
368 go on to search the trusted forests */
370 rescan_forest_trusts();
378 /********************************************************************
379 Scan the trusts of our forest root
380 ********************************************************************/
382 static void rescan_forest_root_trusts( void )
384 struct winbindd_tdc_domain *dom_list = NULL;
385 size_t num_trusts = 0;
388 /* The only transitive trusts supported by Windows 2003 AD are
389 (a) Parent-Child, (b) Tree-Root, and (c) Forest. The
390 first two are handled in forest and listed by
391 DsEnumerateDomainTrusts(). Forest trusts are not so we
392 have to do that ourselves. */
394 if ( !wcache_tdc_fetch_list( &dom_list, &num_trusts ) )
397 for ( i=0; i<num_trusts; i++ ) {
398 struct winbindd_domain *d = NULL;
400 /* Find the forest root. Don't necessarily trust
401 the domain_list() as our primary domain may not
402 have been initialized. */
404 if ( !(dom_list[i].trust_flags & NETR_TRUST_FLAG_TREEROOT) ) {
408 /* Here's the forest root */
410 d = find_domain_from_name_noinit( dom_list[i].domain_name );
413 d = add_trusted_domain( dom_list[i].domain_name,
414 dom_list[i].dns_name,
418 setup_domain_child(d);
426 DEBUG(10,("rescan_forest_root_trusts: Following trust path "
427 "for domain tree root %s (%s)\n",
428 d->name, d->alt_name ));
430 d->domain_flags = dom_list[i].trust_flags;
431 d->domain_type = dom_list[i].trust_type;
432 d->domain_trust_attribs = dom_list[i].trust_attribs;
434 add_trusted_domains( d );
439 TALLOC_FREE( dom_list );
444 /********************************************************************
445 scan the transitive forest trusts (not our own)
446 ********************************************************************/
449 static void rescan_forest_trusts( void )
451 struct winbindd_domain *d = NULL;
452 struct winbindd_tdc_domain *dom_list = NULL;
453 size_t num_trusts = 0;
456 /* The only transitive trusts supported by Windows 2003 AD are
457 (a) Parent-Child, (b) Tree-Root, and (c) Forest. The
458 first two are handled in forest and listed by
459 DsEnumerateDomainTrusts(). Forest trusts are not so we
460 have to do that ourselves. */
462 if ( !wcache_tdc_fetch_list( &dom_list, &num_trusts ) )
465 for ( i=0; i<num_trusts; i++ ) {
466 uint32 flags = dom_list[i].trust_flags;
467 uint32 type = dom_list[i].trust_type;
468 uint32 attribs = dom_list[i].trust_attribs;
470 d = find_domain_from_name_noinit( dom_list[i].domain_name );
472 /* ignore our primary and internal domains */
474 if ( d && (d->internal || d->primary ) )
477 if ( (flags & NETR_TRUST_FLAG_INBOUND) &&
478 (type == NETR_TRUST_TYPE_UPLEVEL) &&
479 (attribs == NETR_TRUST_ATTRIBUTE_FOREST_TRANSITIVE) )
481 /* add the trusted domain if we don't know
485 d = add_trusted_domain( dom_list[i].domain_name,
486 dom_list[i].dns_name,
490 setup_domain_child(d);
498 DEBUG(10,("Following trust path for domain %s (%s)\n",
499 d->name, d->alt_name ));
500 add_trusted_domains( d );
504 TALLOC_FREE( dom_list );
509 /*********************************************************************
510 The process of updating the trusted domain list is a three step
513 (b) ask the root domain in our forest
514 (c) ask the a DC in any Win2003 trusted forests
515 *********************************************************************/
517 void rescan_trusted_domains(struct tevent_context *ev, struct tevent_timer *te,
518 struct timeval now, void *private_data)
522 /* I use to clear the cache here and start over but that
523 caused problems in child processes that needed the
524 trust dom list early on. Removing it means we
525 could have some trusted domains listed that have been
526 removed from our primary domain's DC until a full
527 restart. This should be ok since I think this is what
528 Windows does as well. */
530 /* this will only add new domains we didn't already know about
531 in the domain_list()*/
533 add_trusted_domains( find_our_domain() );
535 te = tevent_add_timer(
536 ev, NULL, timeval_current_ofs(WINBINDD_RESCAN_FREQ, 0),
537 rescan_trusted_domains, NULL);
539 * If te == NULL, there's not much we can do here. Don't fail, the
540 * only thing we miss is new trusted domains.
546 enum winbindd_result winbindd_dual_init_connection(struct winbindd_domain *domain,
547 struct winbindd_cli_state *state)
549 /* Ensure null termination */
550 state->request->domain_name
551 [sizeof(state->request->domain_name)-1]='\0';
552 state->request->data.init_conn.dcname
553 [sizeof(state->request->data.init_conn.dcname)-1]='\0';
555 if (strlen(state->request->data.init_conn.dcname) > 0) {
556 fstrcpy(domain->dcname, state->request->data.init_conn.dcname);
559 if (domain->internal) {
560 domain->initialized = true;
562 init_dc_connection(domain);
565 if (!domain->initialized) {
566 /* If we return error here we can't do any cached authentication,
567 but we may be in disconnected mode and can't initialize correctly.
568 Do what the previous code did and just return without initialization,
569 once we go online we'll re-initialize.
571 DEBUG(5, ("winbindd_dual_init_connection: %s returning without initialization "
572 "online = %d\n", domain->name, (int)domain->online ));
575 fstrcpy(state->response->data.domain_info.name, domain->name);
576 fstrcpy(state->response->data.domain_info.alt_name, domain->alt_name);
577 sid_to_fstring(state->response->data.domain_info.sid, &domain->sid);
579 state->response->data.domain_info.native_mode
580 = domain->native_mode;
581 state->response->data.domain_info.active_directory
582 = domain->active_directory;
583 state->response->data.domain_info.primary
589 /* Look up global info for the winbind daemon */
590 bool init_domain_list(void)
592 struct winbindd_domain *domain;
593 int role = lp_server_role();
595 /* Free existing list */
600 domain = add_trusted_domain("BUILTIN", NULL, &cache_methods,
601 &global_sid_Builtin);
603 setup_domain_child(domain);
608 domain = add_trusted_domain(get_global_sam_name(), NULL,
609 &cache_methods, get_global_sam_sid());
611 if ( role != ROLE_DOMAIN_MEMBER ) {
612 domain->primary = True;
614 setup_domain_child(domain);
617 /* Add ourselves as the first entry. */
619 if ( role == ROLE_DOMAIN_MEMBER ) {
620 struct dom_sid our_sid;
622 if (!secrets_fetch_domain_sid(lp_workgroup(), &our_sid)) {
623 DEBUG(0, ("Could not fetch our SID - did we join?\n"));
627 domain = add_trusted_domain( lp_workgroup(), lp_realm(),
628 &cache_methods, &our_sid);
630 domain->primary = True;
631 setup_domain_child(domain);
633 /* Even in the parent winbindd we'll need to
634 talk to the DC, so try and see if we can
635 contact it. Theoretically this isn't neccessary
636 as the init_dc_connection() in init_child_recv()
637 will do this, but we can start detecting the DC
639 set_domain_online_request(domain);
647 * Given a domain name, return the struct winbindd domain info for it
649 * @note Do *not* pass lp_workgroup() to this function. domain_list
650 * may modify it's value, and free that pointer. Instead, our local
651 * domain may be found by calling find_our_domain().
655 * @return The domain structure for the named domain, if it is working.
658 struct winbindd_domain *find_domain_from_name_noinit(const char *domain_name)
660 struct winbindd_domain *domain;
662 /* Search through list */
664 for (domain = domain_list(); domain != NULL; domain = domain->next) {
665 if (strequal(domain_name, domain->name) ||
666 (domain->alt_name[0] &&
667 strequal(domain_name, domain->alt_name))) {
677 struct winbindd_domain *find_domain_from_name(const char *domain_name)
679 struct winbindd_domain *domain;
681 domain = find_domain_from_name_noinit(domain_name);
686 if (!domain->initialized)
687 init_dc_connection(domain);
692 /* Given a domain sid, return the struct winbindd domain info for it */
694 struct winbindd_domain *find_domain_from_sid_noinit(const struct dom_sid *sid)
696 struct winbindd_domain *domain;
698 /* Search through list */
700 for (domain = domain_list(); domain != NULL; domain = domain->next) {
701 if (dom_sid_compare_domain(sid, &domain->sid) == 0)
710 /* Given a domain sid, return the struct winbindd domain info for it */
712 struct winbindd_domain *find_domain_from_sid(const struct dom_sid *sid)
714 struct winbindd_domain *domain;
716 domain = find_domain_from_sid_noinit(sid);
721 if (!domain->initialized)
722 init_dc_connection(domain);
727 struct winbindd_domain *find_our_domain(void)
729 struct winbindd_domain *domain;
731 /* Search through list */
733 for (domain = domain_list(); domain != NULL; domain = domain->next) {
738 smb_panic("Could not find our domain");
742 struct winbindd_domain *find_root_domain(void)
744 struct winbindd_domain *ours = find_our_domain();
746 if (ours->forest_name[0] == '\0') {
750 return find_domain_from_name( ours->forest_name );
753 struct winbindd_domain *find_builtin_domain(void)
755 struct winbindd_domain *domain;
757 domain = find_domain_from_sid(&global_sid_Builtin);
758 if (domain == NULL) {
759 smb_panic("Could not find BUILTIN domain");
765 /* Find the appropriate domain to lookup a name or SID */
767 struct winbindd_domain *find_lookup_domain_from_sid(const struct dom_sid *sid)
769 /* SIDs in the S-1-22-{1,2} domain should be handled by our passdb */
771 if ( sid_check_is_in_unix_groups(sid) ||
772 sid_check_is_unix_groups(sid) ||
773 sid_check_is_in_unix_users(sid) ||
774 sid_check_is_unix_users(sid) )
776 return find_domain_from_sid(get_global_sam_sid());
779 /* A DC can't ask the local smbd for remote SIDs, here winbindd is the
780 * one to contact the external DC's. On member servers the internal
781 * domains are different: These are part of the local SAM. */
783 DEBUG(10, ("find_lookup_domain_from_sid(%s)\n", sid_string_dbg(sid)));
785 if (IS_DC || is_internal_domain(sid) || is_in_internal_domain(sid)) {
786 DEBUG(10, ("calling find_domain_from_sid\n"));
787 return find_domain_from_sid(sid);
790 /* On a member server a query for SID or name can always go to our
793 DEBUG(10, ("calling find_our_domain\n"));
794 return find_our_domain();
797 struct winbindd_domain *find_lookup_domain_from_name(const char *domain_name)
799 if ( strequal(domain_name, unix_users_domain_name() ) ||
800 strequal(domain_name, unix_groups_domain_name() ) )
803 * The "Unix User" and "Unix Group" domain our handled by
806 return find_domain_from_name_noinit( get_global_sam_name() );
809 if (IS_DC || strequal(domain_name, "BUILTIN") ||
810 strequal(domain_name, get_global_sam_name()))
811 return find_domain_from_name_noinit(domain_name);
814 return find_our_domain();
817 /* Is this a domain which we may assume no DOMAIN\ prefix? */
819 static bool assume_domain(const char *domain)
821 /* never assume the domain on a standalone server */
823 if ( lp_server_role() == ROLE_STANDALONE )
826 /* domain member servers may possibly assume for the domain name */
828 if ( lp_server_role() == ROLE_DOMAIN_MEMBER ) {
829 if ( !strequal(lp_workgroup(), domain) )
832 if ( lp_winbind_use_default_domain() || lp_winbind_trusted_domains_only() )
836 /* only left with a domain controller */
838 if ( strequal(get_global_sam_name(), domain) ) {
845 /* Parse a string of the form DOMAIN\user into a domain and a user */
847 bool parse_domain_user(const char *domuser, fstring domain, fstring user)
849 char *p = strchr(domuser,*lp_winbind_separator());
852 fstrcpy(user, domuser);
854 if ( assume_domain(lp_workgroup())) {
855 fstrcpy(domain, lp_workgroup());
856 } else if ((p = strchr(domuser, '@')) != NULL) {
857 fstrcpy(domain, p + 1);
858 user[PTR_DIFF(p, domuser)] = 0;
864 fstrcpy(domain, domuser);
865 domain[PTR_DIFF(p, domuser)] = 0;
873 bool parse_domain_user_talloc(TALLOC_CTX *mem_ctx, const char *domuser,
874 char **domain, char **user)
876 fstring fstr_domain, fstr_user;
877 if (!parse_domain_user(domuser, fstr_domain, fstr_user)) {
880 *domain = talloc_strdup(mem_ctx, fstr_domain);
881 *user = talloc_strdup(mem_ctx, fstr_user);
882 return ((*domain != NULL) && (*user != NULL));
885 /* add a domain user name to a buffer */
886 void parse_add_domuser(void *buf, char *domuser, int *len)
892 p = strchr(domuser, *lp_winbind_separator());
896 fstrcpy(domain, domuser);
897 domain[PTR_DIFF(p, domuser)] = 0;
900 if (assume_domain(domain)) {
903 *len -= (PTR_DIFF(p, domuser));
907 safe_strcpy((char *)buf, user, *len);
910 /* Ensure an incoming username from NSS is fully qualified. Replace the
911 incoming fstring with DOMAIN <separator> user. Returns the same
912 values as parse_domain_user() but also replaces the incoming username.
913 Used to ensure all names are fully qualified within winbindd.
914 Used by the NSS protocols of auth, chauthtok, logoff and ccache_ntlm_auth.
915 The protocol definitions of auth_crap, chng_pswd_auth_crap
916 really should be changed to use this instead of doing things
919 bool canonicalize_username(fstring username_inout, fstring domain, fstring user)
921 if (!parse_domain_user(username_inout, domain, user)) {
924 slprintf(username_inout, sizeof(fstring) - 1, "%s%c%s",
925 domain, *lp_winbind_separator(),
931 Fill DOMAIN\\USERNAME entry accounting 'winbind use default domain' and
932 'winbind separator' options.
934 - omit DOMAIN when 'winbind use default domain = true' and DOMAIN is
937 If we are a PDC or BDC, and this is for our domain, do likewise.
939 Also, if omit DOMAIN if 'winbind trusted domains only = true', as the
940 username is then unqualified in unix
942 We always canonicalize as UPPERCASE DOMAIN, lowercase username.
944 void fill_domain_username(fstring name, const char *domain, const char *user, bool can_assume)
948 fstrcpy(tmp_user, user);
949 strlower_m(tmp_user);
951 if (can_assume && assume_domain(domain)) {
952 strlcpy(name, tmp_user, sizeof(fstring));
954 slprintf(name, sizeof(fstring) - 1, "%s%c%s",
955 domain, *lp_winbind_separator(),
961 * talloc version of fill_domain_username()
962 * return NULL on talloc failure.
964 char *fill_domain_username_talloc(TALLOC_CTX *mem_ctx,
969 char *tmp_user, *name;
971 tmp_user = talloc_strdup(mem_ctx, user);
972 strlower_m(tmp_user);
974 if (can_assume && assume_domain(domain)) {
977 name = talloc_asprintf(mem_ctx, "%s%c%s",
979 *lp_winbind_separator(),
981 TALLOC_FREE(tmp_user);
988 * Client list accessor functions
991 static struct winbindd_cli_state *_client_list;
992 static int _num_clients;
994 /* Return list of all connected clients */
996 struct winbindd_cli_state *winbindd_client_list(void)
1001 /* Add a connection to the list */
1003 void winbindd_add_client(struct winbindd_cli_state *cli)
1005 DLIST_ADD(_client_list, cli);
1009 /* Remove a client from the list */
1011 void winbindd_remove_client(struct winbindd_cli_state *cli)
1013 DLIST_REMOVE(_client_list, cli);
1017 /* Return number of open clients */
1019 int winbindd_num_clients(void)
1021 return _num_clients;
1024 NTSTATUS lookup_usergroups_cached(struct winbindd_domain *domain,
1025 TALLOC_CTX *mem_ctx,
1026 const struct dom_sid *user_sid,
1027 uint32_t *p_num_groups, struct dom_sid **user_sids)
1029 struct netr_SamInfo3 *info3 = NULL;
1030 NTSTATUS status = NT_STATUS_NO_MEMORY;
1031 uint32_t num_groups = 0;
1033 DEBUG(3,(": lookup_usergroups_cached\n"));
1038 info3 = netsamlogon_cache_get(mem_ctx, user_sid);
1040 if (info3 == NULL) {
1041 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1044 if (info3->base.groups.count == 0) {
1046 return NT_STATUS_UNSUCCESSFUL;
1049 /* Skip Domain local groups outside our domain.
1050 We'll get these from the getsidaliases() RPC call. */
1051 status = sid_array_from_info3(mem_ctx, info3,
1056 if (!NT_STATUS_IS_OK(status)) {
1062 *p_num_groups = num_groups;
1063 status = (user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
1065 DEBUG(3,(": lookup_usergroups_cached succeeded\n"));
1070 /*********************************************************************
1071 We use this to remove spaces from user and group names
1072 ********************************************************************/
1074 NTSTATUS normalize_name_map(TALLOC_CTX *mem_ctx,
1075 struct winbindd_domain *domain,
1081 if (!name || !normalized) {
1082 return NT_STATUS_INVALID_PARAMETER;
1085 if (!lp_winbind_normalize_names()) {
1086 return NT_STATUS_PROCEDURE_NOT_FOUND;
1089 /* Alias support and whitespace replacement are mutually
1092 nt_status = resolve_username_to_alias(mem_ctx, domain,
1094 if (NT_STATUS_IS_OK(nt_status)) {
1095 /* special return code to let the caller know we
1096 mapped to an alias */
1097 return NT_STATUS_FILE_RENAMED;
1100 /* check for an unreachable domain */
1102 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND)) {
1103 DEBUG(5,("normalize_name_map: Setting domain %s offline\n",
1105 set_domain_offline(domain);
1109 /* deal with whitespace */
1111 *normalized = talloc_strdup(mem_ctx, name);
1112 if (!(*normalized)) {
1113 return NT_STATUS_NO_MEMORY;
1116 all_string_sub( *normalized, " ", "_", 0 );
1118 return NT_STATUS_OK;
1121 /*********************************************************************
1122 We use this to do the inverse of normalize_name_map()
1123 ********************************************************************/
1125 NTSTATUS normalize_name_unmap(TALLOC_CTX *mem_ctx,
1130 struct winbindd_domain *domain = find_our_domain();
1132 if (!name || !normalized) {
1133 return NT_STATUS_INVALID_PARAMETER;
1136 if (!lp_winbind_normalize_names()) {
1137 return NT_STATUS_PROCEDURE_NOT_FOUND;
1140 /* Alias support and whitespace replacement are mutally
1143 /* When mapping from an alias to a username, we don't know the
1144 domain. But we only need a domain structure to cache
1145 a successful lookup , so just our own domain structure for
1148 nt_status = resolve_alias_to_username(mem_ctx, domain,
1150 if (NT_STATUS_IS_OK(nt_status)) {
1151 /* Special return code to let the caller know we mapped
1153 return NT_STATUS_FILE_RENAMED;
1156 /* check for an unreachable domain */
1158 if (NT_STATUS_EQUAL(nt_status, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND)) {
1159 DEBUG(5,("normalize_name_unmap: Setting domain %s offline\n",
1161 set_domain_offline(domain);
1165 /* deal with whitespace */
1167 *normalized = talloc_strdup(mem_ctx, name);
1168 if (!(*normalized)) {
1169 return NT_STATUS_NO_MEMORY;
1172 all_string_sub(*normalized, "_", " ", 0);
1174 return NT_STATUS_OK;
1177 /*********************************************************************
1178 ********************************************************************/
1180 bool winbindd_can_contact_domain(struct winbindd_domain *domain)
1182 struct winbindd_tdc_domain *tdc = NULL;
1183 TALLOC_CTX *frame = talloc_stackframe();
1186 /* We can contact the domain if it is our primary domain */
1188 if (domain->primary) {
1192 /* Trust the TDC cache and not the winbindd_domain flags */
1194 if ((tdc = wcache_tdc_fetch_domain(frame, domain->name)) == NULL) {
1195 DEBUG(10,("winbindd_can_contact_domain: %s not found in cache\n",
1200 /* Can always contact a domain that is in out forest */
1202 if (tdc->trust_flags & NETR_TRUST_FLAG_IN_FOREST) {
1208 * On a _member_ server, we cannot contact the domain if it
1209 * is running AD and we have no inbound trust.
1213 domain->active_directory &&
1214 ((tdc->trust_flags & NETR_TRUST_FLAG_INBOUND) != NETR_TRUST_FLAG_INBOUND))
1216 DEBUG(10, ("winbindd_can_contact_domain: %s is an AD domain "
1217 "and we have no inbound trust.\n", domain->name));
1221 /* Assume everything else is ok (probably not true but what
1227 talloc_destroy(frame);
1232 /*********************************************************************
1233 ********************************************************************/
1235 bool winbindd_internal_child(struct winbindd_child *child)
1237 if ((child == idmap_child()) || (child == locator_child())) {
1244 #ifdef HAVE_KRB5_LOCATE_PLUGIN_H
1246 /*********************************************************************
1247 ********************************************************************/
1249 static void winbindd_set_locator_kdc_env(const struct winbindd_domain *domain)
1252 char addr[INET6_ADDRSTRLEN];
1253 const char *kdc = NULL;
1256 if (!domain || !domain->alt_name || !*domain->alt_name) {
1260 if (domain->initialized && !domain->active_directory) {
1261 DEBUG(lvl,("winbindd_set_locator_kdc_env: %s not AD\n",
1266 print_sockaddr(addr, sizeof(addr), &domain->dcaddr);
1269 DEBUG(lvl,("winbindd_set_locator_kdc_env: %s no DC IP\n",
1271 kdc = domain->dcname;
1274 if (!kdc || !*kdc) {
1275 DEBUG(lvl,("winbindd_set_locator_kdc_env: %s no DC at all\n",
1280 if (asprintf_strupper_m(&var, "%s_%s", WINBINDD_LOCATOR_KDC_ADDRESS,
1281 domain->alt_name) == -1) {
1285 DEBUG(lvl,("winbindd_set_locator_kdc_env: setting var: %s to: %s\n",
1288 setenv(var, kdc, 1);
1292 /*********************************************************************
1293 ********************************************************************/
1295 void winbindd_set_locator_kdc_envs(const struct winbindd_domain *domain)
1297 struct winbindd_domain *our_dom = find_our_domain();
1299 winbindd_set_locator_kdc_env(domain);
1301 if (domain != our_dom) {
1302 winbindd_set_locator_kdc_env(our_dom);
1306 /*********************************************************************
1307 ********************************************************************/
1309 void winbindd_unset_locator_kdc_env(const struct winbindd_domain *domain)
1313 if (!domain || !domain->alt_name || !*domain->alt_name) {
1317 if (asprintf_strupper_m(&var, "%s_%s", WINBINDD_LOCATOR_KDC_ADDRESS,
1318 domain->alt_name) == -1) {
1327 void winbindd_set_locator_kdc_envs(const struct winbindd_domain *domain)
1332 void winbindd_unset_locator_kdc_env(const struct winbindd_domain *domain)
1337 #endif /* HAVE_KRB5_LOCATE_PLUGIN_H */
1339 void set_auth_errors(struct winbindd_response *resp, NTSTATUS result)
1341 resp->data.auth.nt_status = NT_STATUS_V(result);
1342 fstrcpy(resp->data.auth.nt_status_string, nt_errstr(result));
1344 /* we might have given a more useful error above */
1345 if (*resp->data.auth.error_string == '\0')
1346 fstrcpy(resp->data.auth.error_string,
1347 get_friendly_nt_error_msg(result));
1348 resp->data.auth.pam_error = nt_status_to_pam(result);
1351 bool is_domain_offline(const struct winbindd_domain *domain)
1353 if (!lp_winbind_offline_logon()) {
1356 if (get_global_winbindd_state_offline()) {
1359 return !domain->online;