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 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #define DBGC_CLASS DBGC_WINBIND
31 * @file winbindd_util.c
33 * Winbind daemon for NT domain authentication nss module.
38 * Used to clobber name fields that have an undefined value.
40 * Correct code should never look at a field that has this value.
43 static const fstring name_deadbeef
= "<deadbeef>";
45 /* The list of trusted domains. Note that the list can be deleted and
46 recreated using the init_domain_list() function so pointers to
47 individual winbindd_domain structures cannot be made. Keep a copy of
48 the domain name instead. */
50 static struct winbindd_domain
*_domain_list
;
53 When was the last scan of trusted domains done?
58 static time_t last_trustdom_scan
;
60 struct winbindd_domain
*domain_list(void)
64 if (!_domain_list
&& !init_domain_list()) {
71 /* Free all entries in the trusted domain list */
73 void free_domain_list(void)
75 struct winbindd_domain
*domain
= _domain_list
;
78 struct winbindd_domain
*next
= domain
->next
;
80 DLIST_REMOVE(_domain_list
, domain
);
86 static BOOL
is_internal_domain(const DOM_SID
*sid
)
91 return (sid_check_is_domain(sid
) || sid_check_is_builtin(sid
));
94 static BOOL
is_in_internal_domain(const DOM_SID
*sid
)
99 return (sid_check_is_in_our_domain(sid
) || sid_check_is_in_builtin(sid
));
103 /* Add a trusted domain to our list of domains */
104 static struct winbindd_domain
*add_trusted_domain(const char *domain_name
, const char *alt_name
,
105 struct winbindd_methods
*methods
,
108 struct winbindd_domain
*domain
;
109 const char *alternative_name
= NULL
;
111 /* ignore alt_name if we are not in an AD domain */
113 if ( (lp_security() == SEC_ADS
) && alt_name
&& *alt_name
) {
114 alternative_name
= alt_name
;
117 /* We can't call domain_list() as this function is called from
118 init_domain_list() and we'll get stuck in a loop. */
119 for (domain
= _domain_list
; domain
; domain
= domain
->next
) {
120 if (strequal(domain_name
, domain
->name
) ||
121 strequal(domain_name
, domain
->alt_name
)) {
124 if (alternative_name
&& *alternative_name
) {
125 if (strequal(alternative_name
, domain
->name
) ||
126 strequal(alternative_name
, domain
->alt_name
)) {
131 if (is_null_sid(sid
)) {
133 } else if (sid_equal(sid
, &domain
->sid
)) {
139 /* Create new domain entry */
141 if ((domain
= SMB_MALLOC_P(struct winbindd_domain
)) == NULL
)
146 ZERO_STRUCTP(domain
);
148 /* prioritise the short name */
149 if (strchr_m(domain_name
, '.') && alternative_name
&& *alternative_name
) {
150 fstrcpy(domain
->name
, alternative_name
);
151 fstrcpy(domain
->alt_name
, domain_name
);
153 fstrcpy(domain
->name
, domain_name
);
154 if (alternative_name
) {
155 fstrcpy(domain
->alt_name
, alternative_name
);
159 domain
->methods
= methods
;
160 domain
->backend
= NULL
;
161 domain
->internal
= is_internal_domain(sid
);
162 domain
->sequence_number
= DOM_SEQUENCE_NONE
;
163 domain
->last_seq_check
= 0;
164 domain
->initialized
= False
;
165 domain
->online
= False
;
167 sid_copy(&domain
->sid
, sid
);
170 /* Link to domain list */
171 DLIST_ADD(_domain_list
, domain
);
173 DEBUG(2,("Added domain %s %s %s\n",
174 domain
->name
, domain
->alt_name
,
175 &domain
->sid
?sid_string_static(&domain
->sid
):""));
180 /********************************************************************
181 rescan our domains looking for new trusted domains
182 ********************************************************************/
184 struct trustdom_state
{
186 struct winbindd_response
*response
;
189 static void trustdom_recv(void *private_data
, BOOL success
);
191 static void add_trusted_domains( struct winbindd_domain
*domain
)
194 struct winbindd_request
*request
;
195 struct winbindd_response
*response
;
197 struct trustdom_state
*state
;
199 mem_ctx
= talloc_init("add_trusted_domains");
200 if (mem_ctx
== NULL
) {
201 DEBUG(0, ("talloc_init failed\n"));
205 request
= TALLOC_ZERO_P(mem_ctx
, struct winbindd_request
);
206 response
= TALLOC_P(mem_ctx
, struct winbindd_response
);
207 state
= TALLOC_P(mem_ctx
, struct trustdom_state
);
209 if ((request
== NULL
) || (response
== NULL
) || (state
== NULL
)) {
210 DEBUG(0, ("talloc failed\n"));
211 talloc_destroy(mem_ctx
);
215 state
->mem_ctx
= mem_ctx
;
216 state
->response
= response
;
218 request
->length
= sizeof(*request
);
219 request
->cmd
= WINBINDD_LIST_TRUSTDOM
;
221 async_domain_request(mem_ctx
, domain
, request
, response
,
222 trustdom_recv
, state
);
225 static void trustdom_recv(void *private_data
, BOOL success
)
227 extern struct winbindd_methods cache_methods
;
228 struct trustdom_state
*state
=
229 talloc_get_type_abort(private_data
, struct trustdom_state
);
230 struct winbindd_response
*response
= state
->response
;
233 if ((!success
) || (response
->result
!= WINBINDD_OK
)) {
234 DEBUG(1, ("Could not receive trustdoms\n"));
235 talloc_destroy(state
->mem_ctx
);
239 p
= response
->extra_data
;
241 while ((p
!= NULL
) && (*p
!= '\0')) {
242 char *q
, *sidstr
, *alt_name
;
245 alt_name
= strchr(p
, '\\');
246 if (alt_name
== NULL
) {
247 DEBUG(0, ("Got invalid trustdom response\n"));
254 sidstr
= strchr(alt_name
, '\\');
255 if (sidstr
== NULL
) {
256 DEBUG(0, ("Got invalid trustdom response\n"));
263 q
= strchr(sidstr
, '\n');
267 if (!string_to_sid(&sid
, sidstr
)) {
268 DEBUG(0, ("Got invalid trustdom response\n"));
272 if (find_domain_from_name_noinit(p
) == NULL
) {
273 struct winbindd_domain
*domain
;
274 char *alternate_name
= NULL
;
276 /* use the real alt_name if we have one, else pass in NULL */
278 if ( !strequal( alt_name
, "(null)" ) )
279 alternate_name
= alt_name
;
281 domain
= add_trusted_domain(p
, alternate_name
,
284 setup_domain_child(domain
, &domain
->child
, NULL
);
291 SAFE_FREE(response
->extra_data
);
292 talloc_destroy(state
->mem_ctx
);
295 /********************************************************************
296 Periodically we need to refresh the trusted domain cache for smbd
297 ********************************************************************/
299 void rescan_trusted_domains( void )
301 time_t now
= time(NULL
);
303 /* see if the time has come... */
305 if ((now
>= last_trustdom_scan
) &&
306 ((now
-last_trustdom_scan
) < WINBINDD_RESCAN_FREQ
) )
309 /* this will only add new domains we didn't already know about */
311 add_trusted_domains( find_our_domain() );
313 last_trustdom_scan
= now
;
318 struct init_child_state
{
320 struct winbindd_domain
*domain
;
321 struct winbindd_request
*request
;
322 struct winbindd_response
*response
;
323 void (*continuation
)(void *private_data
, BOOL success
);
327 static void init_child_recv(void *private_data
, BOOL success
);
328 static void init_child_getdc_recv(void *private_data
, BOOL success
);
330 enum winbindd_result
init_child_connection(struct winbindd_domain
*domain
,
331 void (*continuation
)(void *private_data
,
336 struct winbindd_request
*request
;
337 struct winbindd_response
*response
;
338 struct init_child_state
*state
;
339 struct winbindd_domain
*request_domain
;
341 mem_ctx
= talloc_init("init_child_connection");
342 if (mem_ctx
== NULL
) {
343 DEBUG(0, ("talloc_init failed\n"));
344 return WINBINDD_ERROR
;
347 request
= TALLOC_ZERO_P(mem_ctx
, struct winbindd_request
);
348 response
= TALLOC_P(mem_ctx
, struct winbindd_response
);
349 state
= TALLOC_P(mem_ctx
, struct init_child_state
);
351 if ((request
== NULL
) || (response
== NULL
) || (state
== NULL
)) {
352 DEBUG(0, ("talloc failed\n"));
353 continuation(private_data
, False
);
354 return WINBINDD_ERROR
;
357 request
->length
= sizeof(*request
);
359 state
->mem_ctx
= mem_ctx
;
360 state
->domain
= domain
;
361 state
->request
= request
;
362 state
->response
= response
;
363 state
->continuation
= continuation
;
364 state
->private_data
= private_data
;
366 if (domain
->primary
) {
367 /* The primary domain has to find the DC name itself */
368 request
->cmd
= WINBINDD_INIT_CONNECTION
;
369 fstrcpy(request
->domain_name
, domain
->name
);
370 request
->data
.init_conn
.is_primary
= True
;
371 fstrcpy(request
->data
.init_conn
.dcname
, "");
372 async_request(mem_ctx
, &domain
->child
, request
, response
,
373 init_child_recv
, state
);
374 return WINBINDD_PENDING
;
377 /* This is *not* the primary domain, let's ask our DC about a DC
380 request
->cmd
= WINBINDD_GETDCNAME
;
381 fstrcpy(request
->domain_name
, domain
->name
);
383 /* save online flag */
384 request_domain
= find_our_domain();
385 request_domain
->online
= domain
->online
;
387 async_domain_request(mem_ctx
, request_domain
, request
, response
,
388 init_child_getdc_recv
, state
);
389 return WINBINDD_PENDING
;
392 static void init_child_getdc_recv(void *private_data
, BOOL success
)
394 struct init_child_state
*state
=
395 talloc_get_type_abort(private_data
, struct init_child_state
);
396 const char *dcname
= "";
398 DEBUG(10, ("Received getdcname response\n"));
400 if (success
&& (state
->response
->result
== WINBINDD_OK
)) {
401 dcname
= state
->response
->data
.dc_name
;
404 state
->request
->cmd
= WINBINDD_INIT_CONNECTION
;
405 fstrcpy(state
->request
->domain_name
, state
->domain
->name
);
406 state
->request
->data
.init_conn
.is_primary
= False
;
407 fstrcpy(state
->request
->data
.init_conn
.dcname
, dcname
);
409 async_request(state
->mem_ctx
, &state
->domain
->child
,
410 state
->request
, state
->response
,
411 init_child_recv
, state
);
414 static void init_child_recv(void *private_data
, BOOL success
)
416 struct init_child_state
*state
=
417 talloc_get_type_abort(private_data
, struct init_child_state
);
419 DEBUG(5, ("Received child initialization response for domain %s\n",
420 state
->domain
->name
));
422 if ((!success
) || (state
->response
->result
!= WINBINDD_OK
)) {
423 DEBUG(3, ("Could not init child\n"));
424 state
->continuation(state
->private_data
, False
);
425 talloc_destroy(state
->mem_ctx
);
429 fstrcpy(state
->domain
->name
,
430 state
->response
->data
.domain_info
.name
);
431 fstrcpy(state
->domain
->alt_name
,
432 state
->response
->data
.domain_info
.alt_name
);
433 string_to_sid(&state
->domain
->sid
,
434 state
->response
->data
.domain_info
.sid
);
435 state
->domain
->native_mode
=
436 state
->response
->data
.domain_info
.native_mode
;
437 state
->domain
->active_directory
=
438 state
->response
->data
.domain_info
.active_directory
;
439 state
->domain
->sequence_number
=
440 state
->response
->data
.domain_info
.sequence_number
;
442 state
->domain
->initialized
= 1;
444 if (state
->continuation
!= NULL
)
445 state
->continuation(state
->private_data
, True
);
446 talloc_destroy(state
->mem_ctx
);
449 enum winbindd_result
winbindd_dual_init_connection(struct winbindd_domain
*domain
,
450 struct winbindd_cli_state
*state
)
452 struct in_addr ipaddr
;
454 /* Ensure null termination */
455 state
->request
.domain_name
456 [sizeof(state
->request
.domain_name
)-1]='\0';
457 state
->request
.data
.init_conn
.dcname
458 [sizeof(state
->request
.data
.init_conn
.dcname
)-1]='\0';
460 if (strlen(state
->request
.data
.init_conn
.dcname
) > 0) {
461 fstrcpy(domain
->dcname
, state
->request
.data
.init_conn
.dcname
);
464 if (strlen(domain
->dcname
) > 0) {
465 if (!resolve_name(domain
->dcname
, &ipaddr
, 0x20)) {
466 DEBUG(2, ("Could not resolve DC name %s for domain %s\n",
467 domain
->dcname
, domain
->name
));
468 return WINBINDD_ERROR
;
471 domain
->dcaddr
.sin_family
= PF_INET
;
472 putip((char *)&(domain
->dcaddr
.sin_addr
), (char *)&ipaddr
);
473 domain
->dcaddr
.sin_port
= 0;
476 set_dc_type_and_flags(domain
);
478 if (!domain
->initialized
) {
479 DEBUG(1, ("Could not initialize domain %s\n",
480 state
->request
.domain_name
));
481 return WINBINDD_ERROR
;
484 fstrcpy(state
->response
.data
.domain_info
.name
, domain
->name
);
485 fstrcpy(state
->response
.data
.domain_info
.alt_name
, domain
->alt_name
);
486 fstrcpy(state
->response
.data
.domain_info
.sid
,
487 sid_string_static(&domain
->sid
));
489 state
->response
.data
.domain_info
.native_mode
490 = domain
->native_mode
;
491 state
->response
.data
.domain_info
.active_directory
492 = domain
->active_directory
;
493 state
->response
.data
.domain_info
.primary
495 state
->response
.data
.domain_info
.sequence_number
=
496 domain
->sequence_number
;
501 /* Look up global info for the winbind daemon */
502 BOOL
init_domain_list(void)
504 extern struct winbindd_methods cache_methods
;
505 extern struct winbindd_methods passdb_methods
;
506 struct winbindd_domain
*domain
;
508 /* Free existing list */
511 /* Add ourselves as the first entry. */
514 domain
= add_trusted_domain(get_global_sam_name(), NULL
,
516 get_global_sam_sid());
521 if (!secrets_fetch_domain_sid(lp_workgroup(), &our_sid
)) {
522 DEBUG(0,("Could not fetch our SID - did we join?\n"));
526 domain
= add_trusted_domain( lp_workgroup(), lp_realm(),
527 &cache_methods
, &our_sid
);
530 domain
->primary
= True
;
531 setup_domain_child(domain
, &domain
->child
, NULL
);
533 /* Add our local SAM domains */
535 domain
= add_trusted_domain("BUILTIN", NULL
, &passdb_methods
,
536 &global_sid_Builtin
);
537 setup_domain_child(domain
, &domain
->child
, NULL
);
540 domain
= add_trusted_domain(get_global_sam_name(), NULL
,
542 get_global_sam_sid());
543 setup_domain_child(domain
, &domain
->child
, NULL
);
550 * Given a domain name, return the struct winbindd domain info for it
552 * @note Do *not* pass lp_workgroup() to this function. domain_list
553 * may modify it's value, and free that pointer. Instead, our local
554 * domain may be found by calling find_our_domain().
558 * @return The domain structure for the named domain, if it is working.
561 struct winbindd_domain
*find_domain_from_name_noinit(const char *domain_name
)
563 struct winbindd_domain
*domain
;
565 /* Search through list */
567 for (domain
= domain_list(); domain
!= NULL
; domain
= domain
->next
) {
568 if (strequal(domain_name
, domain
->name
) ||
569 (domain
->alt_name
[0] &&
570 strequal(domain_name
, domain
->alt_name
))) {
580 struct winbindd_domain
*find_domain_from_name(const char *domain_name
)
582 struct winbindd_domain
*domain
;
584 domain
= find_domain_from_name_noinit(domain_name
);
589 if (!domain
->initialized
)
590 set_dc_type_and_flags(domain
);
595 /* Given a domain sid, return the struct winbindd domain info for it */
597 struct winbindd_domain
*find_domain_from_sid_noinit(const DOM_SID
*sid
)
599 struct winbindd_domain
*domain
;
601 /* Search through list */
603 for (domain
= domain_list(); domain
!= NULL
; domain
= domain
->next
) {
604 if (sid_compare_domain(sid
, &domain
->sid
) == 0)
613 /* Given a domain sid, return the struct winbindd domain info for it */
615 struct winbindd_domain
*find_domain_from_sid(const DOM_SID
*sid
)
617 struct winbindd_domain
*domain
;
619 domain
= find_domain_from_sid_noinit(sid
);
624 if (!domain
->initialized
)
625 set_dc_type_and_flags(domain
);
630 struct winbindd_domain
*find_our_domain(void)
632 struct winbindd_domain
*domain
;
634 /* Search through list */
636 for (domain
= domain_list(); domain
!= NULL
; domain
= domain
->next
) {
641 smb_panic("Could not find our domain\n");
645 struct winbindd_domain
*find_builtin_domain(void)
648 struct winbindd_domain
*domain
;
650 string_to_sid(&sid
, "S-1-5-32");
651 domain
= find_domain_from_sid(&sid
);
654 smb_panic("Could not find BUILTIN domain\n");
659 /* Find the appropriate domain to lookup a name or SID */
661 struct winbindd_domain
*find_lookup_domain_from_sid(const DOM_SID
*sid
)
663 /* A DC can't ask the local smbd for remote SIDs, here winbindd is the
664 * one to contact the external DC's. On member servers the internal
665 * domains are different: These are part of the local SAM. */
667 DEBUG(10, ("find_lookup_domain_from_sid(%s)\n",
668 sid_string_static(sid
)));
670 if (IS_DC
|| is_internal_domain(sid
) || is_in_internal_domain(sid
)) {
671 DEBUG(10, ("calling find_domain_from_sid\n"));
672 return find_domain_from_sid(sid
);
675 /* On a member server a query for SID or name can always go to our
678 DEBUG(10, ("calling find_our_domain\n"));
679 return find_our_domain();
682 struct winbindd_domain
*find_lookup_domain_from_name(const char *domain_name
)
684 if (IS_DC
|| strequal(domain_name
, "BUILTIN") ||
685 strequal(domain_name
, get_global_sam_name()))
686 return find_domain_from_name_noinit(domain_name
);
688 return find_our_domain();
691 /* Lookup a sid in a domain from a name */
693 BOOL
winbindd_lookup_sid_by_name(TALLOC_CTX
*mem_ctx
,
694 struct winbindd_domain
*domain
,
695 const char *domain_name
,
696 const char *name
, DOM_SID
*sid
,
697 enum SID_NAME_USE
*type
)
702 result
= domain
->methods
->name_to_sid(domain
, mem_ctx
, domain_name
, name
, sid
, type
);
704 /* Return rid and type if lookup successful */
705 if (!NT_STATUS_IS_OK(result
)) {
706 *type
= SID_NAME_UNKNOWN
;
709 return NT_STATUS_IS_OK(result
);
713 * @brief Lookup a name in a domain from a sid.
715 * @param sid Security ID you want to look up.
716 * @param name On success, set to the name corresponding to @p sid.
717 * @param dom_name On success, set to the 'domain name' corresponding to @p sid.
718 * @param type On success, contains the type of name: alias, group or
720 * @retval True if the name exists, in which case @p name and @p type
721 * are set, otherwise False.
723 BOOL
winbindd_lookup_name_by_sid(TALLOC_CTX
*mem_ctx
,
727 enum SID_NAME_USE
*type
)
733 struct winbindd_domain
*domain
;
735 domain
= find_lookup_domain_from_sid(sid
);
738 DEBUG(1,("Can't find domain from sid\n"));
744 result
= domain
->methods
->sid_to_name(domain
, mem_ctx
, sid
, &dom_names
, &names
, type
);
746 /* Return name and type if successful */
748 if ((rv
= NT_STATUS_IS_OK(result
))) {
749 fstrcpy(dom_name
, dom_names
);
750 fstrcpy(name
, names
);
752 *type
= SID_NAME_UNKNOWN
;
753 fstrcpy(name
, name_deadbeef
);
759 /* Free state information held for {set,get,end}{pw,gr}ent() functions */
761 void free_getent_state(struct getent_state
*state
)
763 struct getent_state
*temp
;
765 /* Iterate over state list */
769 while(temp
!= NULL
) {
770 struct getent_state
*next
;
772 /* Free sam entries then list entry */
774 SAFE_FREE(state
->sam_entries
);
775 DLIST_REMOVE(state
, state
);
783 /* Parse winbindd related parameters */
785 BOOL
winbindd_param_init(void)
787 /* Parse winbind uid and winbind_gid parameters */
789 if (!lp_idmap_uid(&server_state
.uid_low
, &server_state
.uid_high
)) {
790 DEBUG(0, ("winbindd: idmap uid range missing or invalid\n"));
791 DEBUG(0, ("winbindd: cannot continue, exiting.\n"));
795 if (!lp_idmap_gid(&server_state
.gid_low
, &server_state
.gid_high
)) {
796 DEBUG(0, ("winbindd: idmap gid range missing or invalid\n"));
797 DEBUG(0, ("winbindd: cannot continue, exiting.\n"));
804 BOOL
is_in_uid_range(uid_t uid
)
806 return ((uid
>= server_state
.uid_low
) &&
807 (uid
<= server_state
.uid_high
));
810 BOOL
is_in_gid_range(gid_t gid
)
812 return ((gid
>= server_state
.gid_low
) &&
813 (gid
<= server_state
.gid_high
));
816 /* Is this a domain which we may assume no DOMAIN\ prefix? */
818 static BOOL
assume_domain(const char *domain
) {
819 if ((lp_winbind_use_default_domain()
820 || lp_winbind_trusted_domains_only()) &&
821 strequal(lp_workgroup(), domain
))
824 if (strequal(get_global_sam_name(), domain
))
830 /* Parse a string of the form DOMAIN\user into a domain and a user */
832 BOOL
parse_domain_user(const char *domuser
, fstring domain
, fstring user
)
834 char *p
= strchr(domuser
,*lp_winbind_separator());
837 fstrcpy(user
, domuser
);
839 if ( assume_domain(lp_workgroup())) {
840 fstrcpy(domain
, lp_workgroup());
846 fstrcpy(domain
, domuser
);
847 domain
[PTR_DIFF(p
, domuser
)] = 0;
855 BOOL
parse_domain_user_talloc(TALLOC_CTX
*mem_ctx
, const char *domuser
,
856 char **domain
, char **user
)
858 fstring fstr_domain
, fstr_user
;
859 if (!parse_domain_user(domuser
, fstr_domain
, fstr_user
)) {
862 *domain
= talloc_strdup(mem_ctx
, fstr_domain
);
863 *user
= talloc_strdup(mem_ctx
, fstr_user
);
864 return ((*domain
!= NULL
) && (*user
!= NULL
));
868 Fill DOMAIN\\USERNAME entry accounting 'winbind use default domain' and
869 'winbind separator' options.
871 - omit DOMAIN when 'winbind use default domain = true' and DOMAIN is
874 If we are a PDC or BDC, and this is for our domain, do likewise.
876 Also, if omit DOMAIN if 'winbind trusted domains only = true', as the
877 username is then unqualified in unix
880 void fill_domain_username(fstring name
, const char *domain
, const char *user
, BOOL can_assume
)
884 fstrcpy(tmp_user
, user
);
885 strlower_m(tmp_user
);
887 if (can_assume
&& assume_domain(domain
)) {
888 strlcpy(name
, user
, sizeof(fstring
));
890 slprintf(name
, sizeof(fstring
) - 1, "%s%c%s",
891 domain
, *lp_winbind_separator(),
897 * Winbindd socket accessor functions
900 char *get_winbind_priv_pipe_dir(void)
902 return lock_path(WINBINDD_PRIV_SOCKET_SUBDIR
);
905 /* Open the winbindd socket */
907 static int _winbindd_socket
= -1;
908 static int _winbindd_priv_socket
= -1;
910 int open_winbindd_socket(void)
912 if (_winbindd_socket
== -1) {
913 _winbindd_socket
= create_pipe_sock(
914 WINBINDD_SOCKET_DIR
, WINBINDD_SOCKET_NAME
, 0755);
915 DEBUG(10, ("open_winbindd_socket: opened socket fd %d\n",
919 return _winbindd_socket
;
922 int open_winbindd_priv_socket(void)
924 if (_winbindd_priv_socket
== -1) {
925 _winbindd_priv_socket
= create_pipe_sock(
926 get_winbind_priv_pipe_dir(), WINBINDD_SOCKET_NAME
, 0750);
927 DEBUG(10, ("open_winbindd_priv_socket: opened socket fd %d\n",
928 _winbindd_priv_socket
));
931 return _winbindd_priv_socket
;
934 /* Close the winbindd socket */
936 void close_winbindd_socket(void)
938 if (_winbindd_socket
!= -1) {
939 DEBUG(10, ("close_winbindd_socket: closing socket fd %d\n",
941 close(_winbindd_socket
);
942 _winbindd_socket
= -1;
944 if (_winbindd_priv_socket
!= -1) {
945 DEBUG(10, ("close_winbindd_socket: closing socket fd %d\n",
946 _winbindd_priv_socket
));
947 close(_winbindd_priv_socket
);
948 _winbindd_priv_socket
= -1;
953 * Client list accessor functions
956 static struct winbindd_cli_state
*_client_list
;
957 static int _num_clients
;
959 /* Return list of all connected clients */
961 struct winbindd_cli_state
*winbindd_client_list(void)
966 /* Add a connection to the list */
968 void winbindd_add_client(struct winbindd_cli_state
*cli
)
970 DLIST_ADD(_client_list
, cli
);
974 /* Remove a client from the list */
976 void winbindd_remove_client(struct winbindd_cli_state
*cli
)
978 DLIST_REMOVE(_client_list
, cli
);
982 /* Demote a client to be the last in the list */
984 void winbindd_demote_client(struct winbindd_cli_state
*cli
)
986 struct winbindd_cli_state
*tmp
;
987 DLIST_DEMOTE(_client_list
, cli
, tmp
);
990 /* Close all open clients */
992 void winbindd_kill_all_clients(void)
994 struct winbindd_cli_state
*cl
= winbindd_client_list();
996 DEBUG(10, ("winbindd_kill_all_clients: going postal\n"));
999 struct winbindd_cli_state
*next
;
1002 winbindd_remove_client(cl
);
1007 /* Return number of open clients */
1009 int winbindd_num_clients(void)
1011 return _num_clients
;
1014 /*****************************************************************************
1015 For idmap conversion: convert one record to new format
1016 Ancient versions (eg 2.2.3a) of winbindd_idmap.tdb mapped DOMAINNAME/rid
1018 *****************************************************************************/
1019 static int convert_fn(TDB_CONTEXT
*tdb
, TDB_DATA key
, TDB_DATA data
, void *state
)
1021 struct winbindd_domain
*domain
;
1028 BOOL
*failed
= (BOOL
*)state
;
1030 DEBUG(10,("Converting %s\n", key
.dptr
));
1032 p
= strchr(key
.dptr
, '/');
1037 fstrcpy(dom_name
, key
.dptr
);
1040 domain
= find_domain_from_name(dom_name
);
1041 if (domain
== NULL
) {
1042 /* We must delete the old record. */
1043 DEBUG(0,("Unable to find domain %s\n", dom_name
));
1044 DEBUG(0,("deleting record %s\n", key
.dptr
));
1046 if (tdb_delete(tdb
, key
) != 0) {
1047 DEBUG(0, ("Unable to delete record %s\n", key
.dptr
));
1057 sid_copy(&sid
, &domain
->sid
);
1058 sid_append_rid(&sid
, rid
);
1060 sid_to_string(keystr
, &sid
);
1062 key2
.dsize
= strlen(keystr
) + 1;
1064 if (tdb_store(tdb
, key2
, data
, TDB_INSERT
) != 0) {
1065 DEBUG(0,("Unable to add record %s\n", key2
.dptr
));
1070 if (tdb_store(tdb
, data
, key2
, TDB_REPLACE
) != 0) {
1071 DEBUG(0,("Unable to update record %s\n", data
.dptr
));
1076 if (tdb_delete(tdb
, key
) != 0) {
1077 DEBUG(0,("Unable to delete record %s\n", key
.dptr
));
1085 /* These definitions are from sam/idmap_tdb.c. Replicated here just
1086 out of laziness.... :-( */
1088 /* High water mark keys */
1089 #define HWM_GROUP "GROUP HWM"
1090 #define HWM_USER "USER HWM"
1092 /*****************************************************************************
1093 Convert the idmap database from an older version.
1094 *****************************************************************************/
1096 static BOOL
idmap_convert(const char *idmap_name
)
1099 BOOL bigendianheader
;
1100 BOOL failed
= False
;
1101 TDB_CONTEXT
*idmap_tdb
;
1103 if (!(idmap_tdb
= tdb_open_log(idmap_name
, 0,
1104 TDB_DEFAULT
, O_RDWR
,
1106 DEBUG(0, ("idmap_convert: Unable to open idmap database\n"));
1110 bigendianheader
= (idmap_tdb
->flags
& TDB_BIGENDIAN
) ? True
: False
;
1112 vers
= tdb_fetch_int32(idmap_tdb
, "IDMAP_VERSION");
1114 if (((vers
== -1) && bigendianheader
) || (IREV(vers
) == IDMAP_VERSION
)) {
1115 /* Arrggghh ! Bytereversed or old big-endian - make order independent ! */
1117 * high and low records were created on a
1118 * big endian machine and will need byte-reversing.
1123 wm
= tdb_fetch_int32(idmap_tdb
, HWM_USER
);
1128 wm
= server_state
.uid_low
;
1131 if (tdb_store_int32(idmap_tdb
, HWM_USER
, wm
) == -1) {
1132 DEBUG(0, ("idmap_convert: Unable to byteswap user hwm in idmap database\n"));
1133 tdb_close(idmap_tdb
);
1137 wm
= tdb_fetch_int32(idmap_tdb
, HWM_GROUP
);
1141 wm
= server_state
.gid_low
;
1144 if (tdb_store_int32(idmap_tdb
, HWM_GROUP
, wm
) == -1) {
1145 DEBUG(0, ("idmap_convert: Unable to byteswap group hwm in idmap database\n"));
1146 tdb_close(idmap_tdb
);
1151 /* the old format stored as DOMAIN/rid - now we store the SID direct */
1152 tdb_traverse(idmap_tdb
, convert_fn
, &failed
);
1155 DEBUG(0, ("Problem during conversion\n"));
1156 tdb_close(idmap_tdb
);
1160 if (tdb_store_int32(idmap_tdb
, "IDMAP_VERSION", IDMAP_VERSION
) == -1) {
1161 DEBUG(0, ("idmap_convert: Unable to dtore idmap version in databse\n"));
1162 tdb_close(idmap_tdb
);
1166 tdb_close(idmap_tdb
);
1170 /*****************************************************************************
1171 Convert the idmap database from an older version if necessary
1172 *****************************************************************************/
1174 BOOL
winbindd_upgrade_idmap(void)
1177 pstring backup_name
;
1178 SMB_STRUCT_STAT stbuf
;
1179 TDB_CONTEXT
*idmap_tdb
;
1181 pstrcpy(idmap_name
, lock_path("winbindd_idmap.tdb"));
1183 if (!file_exist(idmap_name
, &stbuf
)) {
1184 /* nothing to convert return */
1188 if (!(idmap_tdb
= tdb_open_log(idmap_name
, 0,
1189 TDB_DEFAULT
, O_RDWR
,
1191 DEBUG(0, ("idmap_convert: Unable to open idmap database\n"));
1195 if (tdb_fetch_int32(idmap_tdb
, "IDMAP_VERSION") == IDMAP_VERSION
) {
1196 /* nothing to convert return */
1197 tdb_close(idmap_tdb
);
1201 /* backup_tdb expects the tdb not to be open */
1202 tdb_close(idmap_tdb
);
1204 DEBUG(0, ("Upgrading winbindd_idmap.tdb from an old version\n"));
1206 pstrcpy(backup_name
, idmap_name
);
1207 pstrcat(backup_name
, ".bak");
1209 if (backup_tdb(idmap_name
, backup_name
) != 0) {
1210 DEBUG(0, ("Could not backup idmap database\n"));
1214 return idmap_convert(idmap_name
);