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[tomato.git] / release / src-rt-6.x.4708 / router / samba-3.0.25b / source / nsswitch / idmap_ldap.c
blobca7d32b3924974c483f3433a82280c45173754a1
1 /*
2 Unix SMB/CIFS implementation.
3
4 idmap LDAP backend
5
6 Copyright (C) Tim Potter 2000
7 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
8 Copyright (C) Gerald Carter 2003
9 Copyright (C) Simo Sorce 2003-2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25
26 #include "includes.h"
27
28 #undef DBGC_CLASS
29 #define DBGC_CLASS DBGC_IDMAP
30
31 #include <lber.h>
32 #include <ldap.h>
33
34 #include "smbldap.h"
35
36 struct idmap_ldap_context {
37 struct smbldap_state *smbldap_state;
38 char *url;
39 char *suffix;
40 char *user_dn;
41 uint32_t filter_low_id, filter_high_id; /* Filter range */
42 BOOL anon;
43 };
44
45 struct idmap_ldap_alloc_context {
46 struct smbldap_state *smbldap_state;
47 char *url;
48 char *suffix;
49 char *user_dn;
50 uid_t low_uid, high_uid; /* Range of uids */
51 gid_t low_gid, high_gid; /* Range of gids */
52
53 };
54
55 #define CHECK_ALLOC_DONE(mem) do { if (!mem) { DEBUG(0, ("Out of memory!\n")); ret = NT_STATUS_NO_MEMORY; goto done; } } while (0)
56
57 /**********************************************************************
58 IDMAP ALLOC TDB BACKEND
59 **********************************************************************/
60
61 static struct idmap_ldap_alloc_context *idmap_alloc_ldap;
62
63 /*********************************************************************
64 ********************************************************************/
65
66 static NTSTATUS get_credentials( TALLOC_CTX *mem_ctx,
67 struct smbldap_state *ldap_state,
68 const char *config_option,
69 struct idmap_domain *dom,
70 char **dn )
71 {
72 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
73 char *user_dn = NULL;
74 char *secret = NULL;
75 const char *tmp = NULL;
76
77 /* assume anonymous if we don't have a specified user */
78
79 tmp = lp_parm_const_string(-1, config_option, "ldap_user_dn", NULL);
80
81 if ( tmp ) {
82 if (!dom) {
83 /* only the alloc backend is allowed to pass in a NULL dom */
84 secret = idmap_fetch_secret("ldap", true, NULL, tmp);
85 } else {
86 secret = idmap_fetch_secret("ldap", false, dom->name, tmp);
87 }
88
89 if (!secret) {
90 DEBUG(0, ("get_credentials: Unable to fetch "
91 "auth credentials for %s in %s\n",
92 tmp, (dom==NULL)?"ALLOC":dom->name));
93 ret = NT_STATUS_ACCESS_DENIED;
94 goto done;
95 }
96 *dn = talloc_strdup(mem_ctx, tmp);
97 CHECK_ALLOC_DONE(*dn);
98 } else {
99 if ( !fetch_ldap_pw( &user_dn, &secret ) ) {
100 DEBUG(2, ("get_credentials: Failed to lookup ldap "
101 "bind creds. Using anonymous connection.\n"));
102 *dn = talloc_strdup( mem_ctx, "" );
103 } else {
104 *dn = talloc_strdup(mem_ctx, user_dn);
105 SAFE_FREE( user_dn );
106 CHECK_ALLOC_DONE(*dn);
107 }
108 }
109
110 smbldap_set_creds(ldap_state, false, *dn, secret);
111 ret = NT_STATUS_OK;
112
113 done:
114 SAFE_FREE( secret );
115
116 return ret;
117 }
118
119
120 /**********************************************************************
121 Verify the sambaUnixIdPool entry in the directory.
122 **********************************************************************/
123
124 static NTSTATUS verify_idpool(void)
125 {
126 NTSTATUS ret;
127 TALLOC_CTX *ctx;
128 LDAPMessage *result = NULL;
129 LDAPMod **mods = NULL;
130 const char **attr_list;
131 char *filter;
132 int count;
133 int rc;
134
135 if ( ! idmap_alloc_ldap) {
136 return NT_STATUS_UNSUCCESSFUL;
137 }
138
139 ctx = talloc_new(idmap_alloc_ldap);
140 if ( ! ctx) {
141 DEBUG(0, ("Out of memory!\n"));
142 return NT_STATUS_NO_MEMORY;
143 }
144
145 filter = talloc_asprintf(ctx, "(objectclass=%s)", LDAP_OBJ_IDPOOL);
146 CHECK_ALLOC_DONE(filter);
147
148 attr_list = get_attr_list(ctx, idpool_attr_list);
149 CHECK_ALLOC_DONE(attr_list);
150
151 rc = smbldap_search(idmap_alloc_ldap->smbldap_state,
152 idmap_alloc_ldap->suffix,
153 LDAP_SCOPE_SUBTREE,
154 filter,
155 attr_list,
156 0,
157 &result);
158
159 if (rc != LDAP_SUCCESS) {
160 DEBUG(1, ("Unable to verify the idpool, cannot continue initialization!\n"));
161 return NT_STATUS_UNSUCCESSFUL;
162 }
163
164 count = ldap_count_entries(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
165
166 ldap_msgfree(result);
167
168 if ( count > 1 ) {
169 DEBUG(0,("Multiple entries returned from %s (base == %s)\n",
170 filter, idmap_alloc_ldap->suffix));
171 ret = NT_STATUS_UNSUCCESSFUL;
172 goto done;
173 }
174 else if (count == 0) {
175 char *uid_str, *gid_str;
176
177 uid_str = talloc_asprintf(ctx, "%lu", (unsigned long)idmap_alloc_ldap->low_uid);
178 gid_str = talloc_asprintf(ctx, "%lu", (unsigned long)idmap_alloc_ldap->low_gid);
179
180 smbldap_set_mod(&mods, LDAP_MOD_ADD,
181 "objectClass", LDAP_OBJ_IDPOOL);
182 smbldap_set_mod(&mods, LDAP_MOD_ADD,
183 get_attr_key2string(idpool_attr_list, LDAP_ATTR_UIDNUMBER),
184 uid_str);
185 smbldap_set_mod(&mods, LDAP_MOD_ADD,
186 get_attr_key2string(idpool_attr_list, LDAP_ATTR_GIDNUMBER),
187 gid_str);
188 if (mods) {
189 rc = smbldap_modify(idmap_alloc_ldap->smbldap_state,
190 idmap_alloc_ldap->suffix,
191 mods);
192 ldap_mods_free(mods, True);
193 } else {
194 ret = NT_STATUS_UNSUCCESSFUL;
195 goto done;
196 }
197 }
198
199 ret = (rc == LDAP_SUCCESS)?NT_STATUS_OK:NT_STATUS_UNSUCCESSFUL;
200 done:
201 talloc_free(ctx);
202 return ret;
203 }
204
205 /*****************************************************************************
206 Initialise idmap database.
207 *****************************************************************************/
208
209 static NTSTATUS idmap_ldap_alloc_init(const char *params)
210 {
211 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
212 const char *range;
213 const char *tmp;
214 uid_t low_uid = 0;
215 uid_t high_uid = 0;
216 gid_t low_gid = 0;
217 gid_t high_gid = 0;
218
219 /* Only do init if we are online */
220 if (idmap_is_offline()) {
221 return NT_STATUS_FILE_IS_OFFLINE;
222 }
223
224 idmap_alloc_ldap = TALLOC_ZERO_P(NULL, struct idmap_ldap_alloc_context);
225 CHECK_ALLOC_DONE( idmap_alloc_ldap );
226
227 /* load ranges */
228
229 idmap_alloc_ldap->low_uid = 0;
230 idmap_alloc_ldap->high_uid = 0;
231 idmap_alloc_ldap->low_gid = 0;
232 idmap_alloc_ldap->high_gid = 0;
233
234 range = lp_parm_const_string(-1, "idmap alloc config", "range", NULL);
235 if (range && range[0]) {
236 unsigned low_id, high_id;
237
238 if (sscanf(range, "%u - %u", &low_id, &high_id) == 2) {
239 if (low_id < high_id) {
240 idmap_alloc_ldap->low_gid = idmap_alloc_ldap->low_uid = low_id;
241 idmap_alloc_ldap->high_gid = idmap_alloc_ldap->high_uid = high_id;
242 } else {
243 DEBUG(1, ("ERROR: invalid idmap alloc range [%s]", range));
244 }
245 } else {
246 DEBUG(1, ("ERROR: invalid syntax for idmap alloc config:range [%s]", range));
247 }
248 }
249
250 if (lp_idmap_uid(&low_uid, &high_uid)) {
251 idmap_alloc_ldap->low_uid = low_uid;
252 idmap_alloc_ldap->high_uid = high_uid;
253 }
254
255 if (lp_idmap_gid(&low_gid, &high_gid)) {
256 idmap_alloc_ldap->low_gid = low_gid;
257 idmap_alloc_ldap->high_gid= high_gid;
258 }
259
260 if (idmap_alloc_ldap->high_uid <= idmap_alloc_ldap->low_uid) {
261 DEBUG(1, ("idmap uid range missing or invalid\n"));
262 DEBUGADD(1, ("idmap will be unable to map foreign SIDs\n"));
263 ret = NT_STATUS_UNSUCCESSFUL;
264 goto done;
265 }
266
267 if (idmap_alloc_ldap->high_gid <= idmap_alloc_ldap->low_gid) {
268 DEBUG(1, ("idmap gid range missing or invalid\n"));
269 DEBUGADD(1, ("idmap will be unable to map foreign SIDs\n"));
270 ret = NT_STATUS_UNSUCCESSFUL;
271 goto done;
272 }
273
274 if (params && *params) {
275 /* assume location is the only parameter */
276 idmap_alloc_ldap->url = talloc_strdup(idmap_alloc_ldap, params);
277 } else {
278 tmp = lp_parm_const_string(-1, "idmap alloc config", "ldap_url", NULL);
279
280 if ( ! tmp) {
281 DEBUG(1, ("ERROR: missing idmap ldap url\n"));
282 ret = NT_STATUS_UNSUCCESSFUL;
283 goto done;
284 }
285
286 idmap_alloc_ldap->url = talloc_strdup(idmap_alloc_ldap, tmp);
287 }
288 CHECK_ALLOC_DONE( idmap_alloc_ldap->url );
289
290 tmp = lp_ldap_idmap_suffix();
291 if ( ! tmp || ! *tmp) {
292 tmp = lp_parm_const_string(-1, "idmap alloc config", "ldap_base_dn", NULL);
293 }
294 if ( ! tmp) {
295 tmp = lp_ldap_suffix();
296 if (tmp) {
297 DEBUG(1, ("WARNING: Trying to use the global ldap suffix(%s)\n", tmp));
298 DEBUGADD(1, ("as suffix. This may not be what you want!\n"));
299 }
300 if ( ! tmp) {
301 DEBUG(1, ("ERROR: missing idmap ldap suffix\n"));
302 ret = NT_STATUS_UNSUCCESSFUL;
303 goto done;
304 }
305 }
306
307 idmap_alloc_ldap->suffix = talloc_strdup(idmap_alloc_ldap, tmp);
308 CHECK_ALLOC_DONE( idmap_alloc_ldap->suffix );
309
310 ret = smbldap_init(idmap_alloc_ldap, idmap_alloc_ldap->url,
311 &idmap_alloc_ldap->smbldap_state);
312 if (!NT_STATUS_IS_OK(ret)) {
313 DEBUG(1, ("ERROR: smbldap_init (%s) failed!\n",
314 idmap_alloc_ldap->url));
315 goto done;
316 }
317
318 ret = get_credentials( idmap_alloc_ldap,
319 idmap_alloc_ldap->smbldap_state,
320 "idmap alloc config", NULL,
321 &idmap_alloc_ldap->user_dn );
322 if ( !NT_STATUS_IS_OK(ret) ) {
323 DEBUG(1,("idmap_ldap_alloc_init: Failed to get connection "
324 "credentials (%s)\n", nt_errstr(ret)));
325 goto done;
326 }
327
328 /* see if the idmap suffix and sub entries exists */
329
330 ret = verify_idpool();
331
332 done:
333 if ( !NT_STATUS_IS_OK( ret ) )
334 TALLOC_FREE( idmap_alloc_ldap );
335
336 return ret;
337 }
338
339 /********************************
340 Allocate a new uid or gid
341 ********************************/
342
343 static NTSTATUS idmap_ldap_allocate_id(struct unixid *xid)
344 {
345 TALLOC_CTX *ctx;
346 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
347 int rc = LDAP_SERVER_DOWN;
348 int count = 0;
349 LDAPMessage *result = NULL;
350 LDAPMessage *entry = NULL;
351 LDAPMod **mods = NULL;
352 char *id_str;
353 char *new_id_str;
354 char *filter = NULL;
355 const char *dn = NULL;
356 const char **attr_list;
357 const char *type;
358
359 /* Only do query if we are online */
360 if (idmap_is_offline()) {
361 return NT_STATUS_FILE_IS_OFFLINE;
362 }
363
364 if ( ! idmap_alloc_ldap) {
365 return NT_STATUS_UNSUCCESSFUL;
366 }
367
368 ctx = talloc_new(idmap_alloc_ldap);
369 if ( ! ctx) {
370 DEBUG(0, ("Out of memory!\n"));
371 return NT_STATUS_NO_MEMORY;
372 }
373
374 /* get type */
375 switch (xid->type) {
376
377 case ID_TYPE_UID:
378 type = get_attr_key2string(idpool_attr_list, LDAP_ATTR_UIDNUMBER);
379 break;
380
381 case ID_TYPE_GID:
382 type = get_attr_key2string(idpool_attr_list, LDAP_ATTR_GIDNUMBER);
383 break;
384
385 default:
386 DEBUG(2, ("Invalid ID type (0x%x)\n", xid->type));
387 return NT_STATUS_INVALID_PARAMETER;
388 }
389
390 filter = talloc_asprintf(ctx, "(objectClass=%s)", LDAP_OBJ_IDPOOL);
391 CHECK_ALLOC_DONE(filter);
392
393 attr_list = get_attr_list(ctx, idpool_attr_list);
394 CHECK_ALLOC_DONE(attr_list);
395
396 DEBUG(10, ("Search of the id pool (filter: %s)\n", filter));
397
398 rc = smbldap_search(idmap_alloc_ldap->smbldap_state,
399 idmap_alloc_ldap->suffix,
400 LDAP_SCOPE_SUBTREE, filter,
401 attr_list, 0, &result);
402
403 if (rc != LDAP_SUCCESS) {
404 DEBUG(0,("%s object not found\n", LDAP_OBJ_IDPOOL));
405 goto done;
406 }
407
408 talloc_autofree_ldapmsg(ctx, result);
409
410 count = ldap_count_entries(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
411 if (count != 1) {
412 DEBUG(0,("Single %s object not found\n", LDAP_OBJ_IDPOOL));
413 goto done;
414 }
415
416 entry = ldap_first_entry(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
417
418 dn = smbldap_talloc_dn(ctx, idmap_alloc_ldap->smbldap_state->ldap_struct, entry);
419 if ( ! dn) {
420 goto done;
421 }
422
423 if ( ! (id_str = smbldap_talloc_single_attribute(idmap_alloc_ldap->smbldap_state->ldap_struct,
424 entry, type, ctx))) {
425 DEBUG(0,("%s attribute not found\n", type));
426 goto done;
427 }
428 if ( ! id_str) {
429 DEBUG(0,("Out of memory\n"));
430 ret = NT_STATUS_NO_MEMORY;
431 goto done;
432 }
433
434 xid->id = strtoul(id_str, NULL, 10);
435
436 /* make sure we still have room to grow */
437
438 switch (xid->type) {
439 case ID_TYPE_UID:
440 if (xid->id > idmap_alloc_ldap->high_uid) {
441 DEBUG(0,("Cannot allocate uid above %lu!\n",
442 (unsigned long)idmap_alloc_ldap->high_uid));
443 goto done;
444 }
445 break;
446
447 case ID_TYPE_GID:
448 if (xid->id > idmap_alloc_ldap->high_gid) {
449 DEBUG(0,("Cannot allocate gid above %lu!\n",
450 (unsigned long)idmap_alloc_ldap->high_uid));
451 goto done;
452 }
453 break;
454
455 default:
456 /* impossible */
457 goto done;
458 }
459
460 new_id_str = talloc_asprintf(ctx, "%lu", (unsigned long)xid->id + 1);
461 if ( ! new_id_str) {
462 DEBUG(0,("Out of memory\n"));
463 ret = NT_STATUS_NO_MEMORY;
464 goto done;
465 }
466
467 smbldap_set_mod(&mods, LDAP_MOD_DELETE, type, id_str);
468 smbldap_set_mod(&mods, LDAP_MOD_ADD, type, new_id_str);
469
470 if (mods == NULL) {
471 DEBUG(0,("smbldap_set_mod() failed.\n"));
472 goto done;
473 }
474
475 DEBUG(10, ("Try to atomically increment the id (%s -> %s)\n", id_str, new_id_str));
476
477 rc = smbldap_modify(idmap_alloc_ldap->smbldap_state, dn, mods);
478
479 ldap_mods_free(mods, True);
480
481 if (rc != LDAP_SUCCESS) {
482 DEBUG(1,("Failed to allocate new %s. smbldap_modify() failed.\n", type));
483 goto done;
484 }
485
486 ret = NT_STATUS_OK;
487
488 done:
489 talloc_free(ctx);
490 return ret;
491 }
492
493 /**********************************
494 Get current highest id.
495 **********************************/
496
497 static NTSTATUS idmap_ldap_get_hwm(struct unixid *xid)
498 {
499 TALLOC_CTX *memctx;
500 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
501 int rc = LDAP_SERVER_DOWN;
502 int count = 0;
503 LDAPMessage *result = NULL;
504 LDAPMessage *entry = NULL;
505 char *id_str;
506 char *filter = NULL;
507 const char **attr_list;
508 const char *type;
509
510 /* Only do query if we are online */
511 if (idmap_is_offline()) {
512 return NT_STATUS_FILE_IS_OFFLINE;
513 }
514
515 if ( ! idmap_alloc_ldap) {
516 return NT_STATUS_UNSUCCESSFUL;
517 }
518
519 memctx = talloc_new(idmap_alloc_ldap);
520 if ( ! memctx) {
521 DEBUG(0, ("Out of memory!\n"));
522 return NT_STATUS_NO_MEMORY;
523 }
524
525 /* get type */
526 switch (xid->type) {
527
528 case ID_TYPE_UID:
529 type = get_attr_key2string(idpool_attr_list, LDAP_ATTR_UIDNUMBER);
530 break;
531
532 case ID_TYPE_GID:
533 type = get_attr_key2string(idpool_attr_list, LDAP_ATTR_GIDNUMBER);
534 break;
535
536 default:
537 DEBUG(2, ("Invalid ID type (0x%x)\n", xid->type));
538 return NT_STATUS_INVALID_PARAMETER;
539 }
540
541 filter = talloc_asprintf(memctx, "(objectClass=%s)", LDAP_OBJ_IDPOOL);
542 CHECK_ALLOC_DONE(filter);
543
544 attr_list = get_attr_list(memctx, idpool_attr_list);
545 CHECK_ALLOC_DONE(attr_list);
546
547 rc = smbldap_search(idmap_alloc_ldap->smbldap_state,
548 idmap_alloc_ldap->suffix,
549 LDAP_SCOPE_SUBTREE, filter,
550 attr_list, 0, &result);
551
552 if (rc != LDAP_SUCCESS) {
553 DEBUG(0,("%s object not found\n", LDAP_OBJ_IDPOOL));
554 goto done;
555 }
556
557 talloc_autofree_ldapmsg(memctx, result);
558
559 count = ldap_count_entries(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
560 if (count != 1) {
561 DEBUG(0,("Single %s object not found\n", LDAP_OBJ_IDPOOL));
562 goto done;
563 }
564
565 entry = ldap_first_entry(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
566
567 id_str = smbldap_talloc_single_attribute(idmap_alloc_ldap->smbldap_state->ldap_struct,
568 entry, type, memctx);
569 if ( ! id_str) {
570 DEBUG(0,("%s attribute not found\n", type));
571 goto done;
572 }
573 if ( ! id_str) {
574 DEBUG(0,("Out of memory\n"));
575 ret = NT_STATUS_NO_MEMORY;
576 goto done;
577 }
578
579 xid->id = strtoul(id_str, NULL, 10);
580
581 ret = NT_STATUS_OK;
582 done:
583 talloc_free(memctx);
584 return ret;
585 }
586 /**********************************
587 Set highest id.
588 **********************************/
589
590 static NTSTATUS idmap_ldap_set_hwm(struct unixid *xid)
591 {
592 TALLOC_CTX *ctx;
593 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
594 int rc = LDAP_SERVER_DOWN;
595 int count = 0;
596 LDAPMessage *result = NULL;
597 LDAPMessage *entry = NULL;
598 LDAPMod **mods = NULL;
599 char *new_id_str;
600 char *filter = NULL;
601 const char *dn = NULL;
602 const char **attr_list;
603 const char *type;
604
605 /* Only do query if we are online */
606 if (idmap_is_offline()) {
607 return NT_STATUS_FILE_IS_OFFLINE;
608 }
609
610 if ( ! idmap_alloc_ldap) {
611 return NT_STATUS_UNSUCCESSFUL;
612 }
613
614 ctx = talloc_new(idmap_alloc_ldap);
615 if ( ! ctx) {
616 DEBUG(0, ("Out of memory!\n"));
617 return NT_STATUS_NO_MEMORY;
618 }
619
620 /* get type */
621 switch (xid->type) {
622
623 case ID_TYPE_UID:
624 type = get_attr_key2string(idpool_attr_list, LDAP_ATTR_UIDNUMBER);
625 break;
626
627 case ID_TYPE_GID:
628 type = get_attr_key2string(idpool_attr_list, LDAP_ATTR_GIDNUMBER);
629 break;
630
631 default:
632 DEBUG(2, ("Invalid ID type (0x%x)\n", xid->type));
633 return NT_STATUS_INVALID_PARAMETER;
634 }
635
636 filter = talloc_asprintf(ctx, "(objectClass=%s)", LDAP_OBJ_IDPOOL);
637 CHECK_ALLOC_DONE(filter);
638
639 attr_list = get_attr_list(ctx, idpool_attr_list);
640 CHECK_ALLOC_DONE(attr_list);
641
642 rc = smbldap_search(idmap_alloc_ldap->smbldap_state,
643 idmap_alloc_ldap->suffix,
644 LDAP_SCOPE_SUBTREE, filter,
645 attr_list, 0, &result);
646
647 if (rc != LDAP_SUCCESS) {
648 DEBUG(0,("%s object not found\n", LDAP_OBJ_IDPOOL));
649 goto done;
650 }
651
652 talloc_autofree_ldapmsg(ctx, result);
653
654 count = ldap_count_entries(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
655 if (count != 1) {
656 DEBUG(0,("Single %s object not found\n", LDAP_OBJ_IDPOOL));
657 goto done;
658 }
659
660 entry = ldap_first_entry(idmap_alloc_ldap->smbldap_state->ldap_struct, result);
661
662 dn = smbldap_talloc_dn(ctx, idmap_alloc_ldap->smbldap_state->ldap_struct, entry);
663 if ( ! dn) {
664 goto done;
665 }
666
667 new_id_str = talloc_asprintf(ctx, "%lu", (unsigned long)xid->id);
668 if ( ! new_id_str) {
669 DEBUG(0,("Out of memory\n"));
670 ret = NT_STATUS_NO_MEMORY;
671 goto done;
672 }
673
674 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, type, new_id_str);
675
676 if (mods == NULL) {
677 DEBUG(0,("smbldap_set_mod() failed.\n"));
678 goto done;
679 }
680
681 rc = smbldap_modify(idmap_alloc_ldap->smbldap_state, dn, mods);
682
683 ldap_mods_free(mods, True);
684
685 if (rc != LDAP_SUCCESS) {
686 DEBUG(1,("Failed to allocate new %s. smbldap_modify() failed.\n", type));
687 goto done;
688 }
689
690 ret = NT_STATUS_OK;
691
692 done:
693 talloc_free(ctx);
694 return ret;
695 }
696
697 /**********************************
698 Close idmap ldap alloc
699 **********************************/
700
701 static NTSTATUS idmap_ldap_alloc_close(void)
702 {
703 if (idmap_alloc_ldap) {
704 smbldap_free_struct(&idmap_alloc_ldap->smbldap_state);
705 DEBUG(5,("The connection to the LDAP server was closed\n"));
706 /* maybe free the results here --metze */
707 TALLOC_FREE(idmap_alloc_ldap);
708 }
709 return NT_STATUS_OK;
710 }
711
712
713 /**********************************************************************
714 IDMAP MAPPING LDAP BACKEND
715 **********************************************************************/
716
717 static int idmap_ldap_close_destructor(struct idmap_ldap_context *ctx)
718 {
719 smbldap_free_struct(&ctx->smbldap_state);
720 DEBUG(5,("The connection to the LDAP server was closed\n"));
721 /* maybe free the results here --metze */
722
723 return 0;
724 }
725
726 /********************************
727 Initialise idmap database.
728 ********************************/
729
730 static NTSTATUS idmap_ldap_db_init(struct idmap_domain *dom)
731 {
732 NTSTATUS ret;
733 struct idmap_ldap_context *ctx = NULL;
734 char *config_option = NULL;
735 const char *range = NULL;
736 const char *tmp = NULL;
737
738 /* Only do init if we are online */
739 if (idmap_is_offline()) {
740 return NT_STATUS_FILE_IS_OFFLINE;
741 }
742
743 ctx = TALLOC_ZERO_P(dom, struct idmap_ldap_context);
744 if ( ! ctx) {
745 DEBUG(0, ("Out of memory!\n"));
746 return NT_STATUS_NO_MEMORY;
747 }
748
749 config_option = talloc_asprintf(ctx, "idmap config %s", dom->name);
750 if ( ! config_option) {
751 DEBUG(0, ("Out of memory!\n"));
752 ret = NT_STATUS_NO_MEMORY;
753 goto done;
754 }
755
756 /* load ranges */
757 range = lp_parm_const_string(-1, config_option, "range", NULL);
758 if (range && range[0]) {
759 if ((sscanf(range, "%u - %u", &ctx->filter_low_id, &ctx->filter_high_id) != 2) ||
760 (ctx->filter_low_id > ctx->filter_high_id)) {
761 DEBUG(1, ("ERROR: invalid filter range [%s]", range));
762 ctx->filter_low_id = 0;
763 ctx->filter_high_id = 0;
764 }
765 }
766
767 if (dom->params && *(dom->params)) {
768 /* assume location is the only parameter */
769 ctx->url = talloc_strdup(ctx, dom->params);
770 } else {
771 tmp = lp_parm_const_string(-1, config_option, "ldap_url", NULL);
772
773 if ( ! tmp) {
774 DEBUG(1, ("ERROR: missing idmap ldap url\n"));
775 ret = NT_STATUS_UNSUCCESSFUL;
776 goto done;
777 }
778
779 ctx->url = talloc_strdup(ctx, tmp);
780 }
781 CHECK_ALLOC_DONE(ctx->url);
782
783 tmp = lp_ldap_idmap_suffix();
784 if ( ! tmp || ! *tmp) {
785 tmp = lp_parm_const_string(-1, config_option, "ldap_base_dn", NULL);
786 }
787 if ( ! tmp) {
788 tmp = lp_ldap_suffix();
789 if (tmp) {
790 DEBUG(1, ("WARNING: Trying to use the global ldap suffix(%s)\n", tmp));
791 DEBUGADD(1, ("as suffix. This may not be what you want!\n"));
792 } else {
793 DEBUG(1, ("ERROR: missing idmap ldap suffix\n"));
794 ret = NT_STATUS_UNSUCCESSFUL;
795 goto done;
796 }
797 }
798 ctx->suffix = talloc_strdup(ctx, tmp);
799 CHECK_ALLOC_DONE(ctx->suffix);
800
801 ret = smbldap_init(ctx, ctx->url, &ctx->smbldap_state);
802 if (!NT_STATUS_IS_OK(ret)) {
803 DEBUG(1, ("ERROR: smbldap_init (%s) failed!\n", ctx->url));
804 goto done;
805 }
806
807 ret = get_credentials( ctx, ctx->smbldap_state, config_option,
808 dom, &ctx->user_dn );
809 if ( !NT_STATUS_IS_OK(ret) ) {
810 DEBUG(1,("idmap_ldap_db_init: Failed to get connection "
811 "credentials (%s)\n", nt_errstr(ret)));
812 goto done;
813 }
814
815 /* set the destructor on the context, so that resource are properly
816 freed if the contexts is released */
817
818 talloc_set_destructor(ctx, idmap_ldap_close_destructor);
819
820 dom->private_data = ctx;
821 dom->initialized = True;
822
823 talloc_free(config_option);
824 return NT_STATUS_OK;
825
826 /*failed */
827 done:
828 talloc_free(ctx);
829 return ret;
830 }
831
832 /* max number of ids requested per batch query */
833 #define IDMAP_LDAP_MAX_IDS 30
834
835 /**********************************
836 lookup a set of unix ids.
837 **********************************/
838
839 /* this function searches up to IDMAP_LDAP_MAX_IDS entries in maps for a match */
840 static struct id_map *find_map_by_id(struct id_map **maps, enum id_type type, uint32_t id)
841 {
842 int i;
843
844 for (i = 0; i < IDMAP_LDAP_MAX_IDS; i++) {
845 if (maps[i] == NULL) { /* end of the run */
846 return NULL;
847 }
848 if ((maps[i]->xid.type == type) && (maps[i]->xid.id == id)) {
849 return maps[i];
850 }
851 }
852
853 return NULL;
854 }
855
856 static NTSTATUS idmap_ldap_unixids_to_sids(struct idmap_domain *dom, struct id_map **ids)
857 {
858 NTSTATUS ret;
859 TALLOC_CTX *memctx;
860 struct idmap_ldap_context *ctx;
861 LDAPMessage *result = NULL;
862 const char *uidNumber;
863 const char *gidNumber;
864 const char **attr_list;
865 char *filter = NULL;
866 BOOL multi = False;
867 int idx = 0;
868 int bidx = 0;
869 int count;
870 int rc;
871 int i;
872
873 /* Only do query if we are online */
874 if (idmap_is_offline()) {
875 return NT_STATUS_FILE_IS_OFFLINE;
876 }
877
878 /* Initilization my have been deferred because we were offline */
879 if ( ! dom->initialized) {
880 ret = idmap_ldap_db_init(dom);
881 if ( ! NT_STATUS_IS_OK(ret)) {
882 return ret;
883 }
884 }
885
886 ctx = talloc_get_type(dom->private_data, struct idmap_ldap_context);
887
888 memctx = talloc_new(ctx);
889 if ( ! memctx) {
890 DEBUG(0, ("Out of memory!\n"));
891 return NT_STATUS_NO_MEMORY;
892 }
893
894 uidNumber = get_attr_key2string(idpool_attr_list, LDAP_ATTR_UIDNUMBER);
895 gidNumber = get_attr_key2string(idpool_attr_list, LDAP_ATTR_GIDNUMBER);
896
897 attr_list = get_attr_list(ctx, sidmap_attr_list);
898
899 if ( ! ids[1]) {
900 /* if we are requested just one mapping use the simple filter */
901
902 filter = talloc_asprintf(memctx, "(&(objectClass=%s)(%s=%lu))",
903 LDAP_OBJ_IDMAP_ENTRY,
904 (ids[0]->xid.type==ID_TYPE_UID)?uidNumber:gidNumber,
905 (unsigned long)ids[0]->xid.id);
906 CHECK_ALLOC_DONE(filter);
907 DEBUG(10, ("Filter: [%s]\n", filter));
908 } else {
909 /* multiple mappings */
910 multi = True;
911 }
912
913 again:
914 if (multi) {
915
916 talloc_free(filter);
917 filter = talloc_asprintf(memctx, "(&(objectClass=%s)(|", LDAP_OBJ_IDMAP_ENTRY);
918 CHECK_ALLOC_DONE(filter);
919
920 bidx = idx;
921 for (i = 0; (i < IDMAP_LDAP_MAX_IDS) && ids[idx]; i++, idx++) {
922 filter = talloc_asprintf_append(filter, "(%s=%lu)",
923 (ids[idx]->xid.type==ID_TYPE_UID)?uidNumber:gidNumber,
924 (unsigned long)ids[idx]->xid.id);
925 CHECK_ALLOC_DONE(filter);
926 }
927 filter = talloc_asprintf_append(filter, "))");
928 CHECK_ALLOC_DONE(filter);
929 DEBUG(10, ("Filter: [%s]\n", filter));
930 } else {
931 bidx = 0;
932 idx = 1;
933 }
934
935 rc = smbldap_search(ctx->smbldap_state, ctx->suffix, LDAP_SCOPE_SUBTREE,
936 filter, attr_list, 0, &result);
937
938 if (rc != LDAP_SUCCESS) {
939 DEBUG(3,("Failure looking up ids (%s)\n", ldap_err2string(rc)));
940 ret = NT_STATUS_UNSUCCESSFUL;
941 goto done;
942 }
943
944 count = ldap_count_entries(ctx->smbldap_state->ldap_struct, result);
945
946 if (count == 0) {
947 DEBUG(10, ("NO SIDs found\n"));
948 }
949
950 for (i = 0; i < count; i++) {
951 LDAPMessage *entry = NULL;
952 char *sidstr = NULL;
953 char *tmp = NULL;
954 enum id_type type;
955 struct id_map *map;
956 uint32_t id;
957
958 if (i == 0) { /* first entry */
959 entry = ldap_first_entry(ctx->smbldap_state->ldap_struct, result);
960 } else { /* following ones */
961 entry = ldap_next_entry(ctx->smbldap_state->ldap_struct, entry);
962 }
963 if ( ! entry) {
964 DEBUG(2, ("ERROR: Unable to fetch ldap entries from results\n"));
965 break;
966 }
967
968 /* first check if the SID is present */
969 sidstr = smbldap_talloc_single_attribute(
970 ctx->smbldap_state->ldap_struct,
971 entry, LDAP_ATTRIBUTE_SID, memctx);
972 if ( ! sidstr) { /* no sid, skip entry */
973 DEBUG(2, ("WARNING SID not found on entry\n"));
974 continue;
975 }
976
977 /* now try to see if it is a uid, if not try with a gid
978 * (gid is more common, but in case both uidNumber and
979 * gidNumber are returned the SID is mapped to the uid not the gid) */
980 type = ID_TYPE_UID;
981 tmp = smbldap_talloc_single_attribute(
982 ctx->smbldap_state->ldap_struct,
983 entry, uidNumber, memctx);
984 if ( ! tmp) {
985 type = ID_TYPE_GID;
986 tmp = smbldap_talloc_single_attribute(
987 ctx->smbldap_state->ldap_struct,
988 entry, gidNumber, memctx);
989 }
990 if ( ! tmp) { /* wow very strange entry, how did it match ? */
991 DEBUG(5, ("Unprobable match on (%s), no uidNumber, nor gidNumber returned\n", sidstr));
992 TALLOC_FREE(sidstr);
993 continue;
994 }
995
996 id = strtoul(tmp, NULL, 10);
997 if ((id == 0) ||
998 (ctx->filter_low_id && (id < ctx->filter_low_id)) ||
999 (ctx->filter_high_id && (id > ctx->filter_high_id))) {
1000 DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
1001 id, ctx->filter_low_id, ctx->filter_high_id));
1002 TALLOC_FREE(sidstr);
1003 TALLOC_FREE(tmp);
1004 continue;
1005 }
1006 TALLOC_FREE(tmp);
1007
1008 map = find_map_by_id(&ids[bidx], type, id);
1009 if (!map) {
1010 DEBUG(2, ("WARNING: couldn't match sid (%s) with requested ids\n", sidstr));
1011 TALLOC_FREE(sidstr);
1012 continue;
1013 }
1014
1015 if ( ! string_to_sid(map->sid, sidstr)) {
1016 DEBUG(2, ("ERROR: Invalid SID on entry\n"));
1017 TALLOC_FREE(sidstr);
1018 continue;
1019 }
1020 TALLOC_FREE(sidstr);
1021
1022 /* mapped */
1023 map->status = ID_MAPPED;
1024
1025 DEBUG(10, ("Mapped %s -> %lu (%d)\n", sid_string_static(map->sid), (unsigned long)map->xid.id, map->xid.type));
1026 }
1027
1028 /* free the ldap results */
1029 if (result) {
1030 ldap_msgfree(result);
1031 result = NULL;
1032 }
1033
1034 if (multi && ids[idx]) { /* still some values to map */
1035 goto again;
1036 }
1037
1038 ret = NT_STATUS_OK;
1039
1040 /* mark all unknwon/expired ones as unmapped */
1041 for (i = 0; ids[i]; i++) {
1042 if (ids[i]->status != ID_MAPPED)
1043 ids[i]->status = ID_UNMAPPED;
1044 }
1045
1046 done:
1047 talloc_free(memctx);
1048 return ret;
1049 }
1050
1051 /**********************************
1052 lookup a set of sids.
1053 **********************************/
1054
1055 /* this function searches up to IDMAP_LDAP_MAX_IDS entries in maps for a match */
1056 static struct id_map *find_map_by_sid(struct id_map **maps, DOM_SID *sid)
1057 {
1058 int i;
1059
1060 for (i = 0; i < IDMAP_LDAP_MAX_IDS; i++) {
1061 if (maps[i] == NULL) { /* end of the run */
1062 return NULL;
1063 }
1064 if (sid_equal(maps[i]->sid, sid)) {
1065 return maps[i];
1066 }
1067 }
1068
1069 return NULL;
1070 }
1071
1072 static NTSTATUS idmap_ldap_sids_to_unixids(struct idmap_domain *dom, struct id_map **ids)
1073 {
1074 LDAPMessage *entry = NULL;
1075 NTSTATUS ret;
1076 TALLOC_CTX *memctx;
1077 struct idmap_ldap_context *ctx;
1078 LDAPMessage *result = NULL;
1079 const char *uidNumber;
1080 const char *gidNumber;
1081 const char **attr_list;
1082 char *filter = NULL;
1083 BOOL multi = False;
1084 int idx = 0;
1085 int bidx = 0;
1086 int count;
1087 int rc;
1088 int i;
1089
1090 /* Only do query if we are online */
1091 if (idmap_is_offline()) {
1092 return NT_STATUS_FILE_IS_OFFLINE;
1093 }
1094
1095 /* Initilization my have been deferred because we were offline */
1096 if ( ! dom->initialized) {
1097 ret = idmap_ldap_db_init(dom);
1098 if ( ! NT_STATUS_IS_OK(ret)) {
1099 return ret;
1100 }
1101 }
1102
1103 ctx = talloc_get_type(dom->private_data, struct idmap_ldap_context);
1104
1105 memctx = talloc_new(ctx);
1106 if ( ! memctx) {
1107 DEBUG(0, ("Out of memory!\n"));
1108 return NT_STATUS_NO_MEMORY;
1109 }
1110
1111 uidNumber = get_attr_key2string(idpool_attr_list, LDAP_ATTR_UIDNUMBER);
1112 gidNumber = get_attr_key2string(idpool_attr_list, LDAP_ATTR_GIDNUMBER);
1113
1114 attr_list = get_attr_list(ctx, sidmap_attr_list);
1115
1116 if ( ! ids[1]) {
1117 /* if we are requested just one mapping use the simple filter */
1118
1119 filter = talloc_asprintf(memctx, "(&(objectClass=%s)(%s=%s))",
1120 LDAP_OBJ_IDMAP_ENTRY,
1121 LDAP_ATTRIBUTE_SID,
1122 sid_string_static(ids[0]->sid));
1123 CHECK_ALLOC_DONE(filter);
1124 DEBUG(10, ("Filter: [%s]\n", filter));
1125 } else {
1126 /* multiple mappings */
1127 multi = True;
1128 }
1129
1130 again:
1131 if (multi) {
1132
1133 TALLOC_FREE(filter);
1134 filter = talloc_asprintf(memctx, "(&(objectClass=%s)(|", LDAP_OBJ_IDMAP_ENTRY);
1135 CHECK_ALLOC_DONE(filter);
1136
1137 bidx = idx;
1138 for (i = 0; (i < IDMAP_LDAP_MAX_IDS) && ids[idx]; i++, idx++) {
1139 filter = talloc_asprintf_append(filter, "(%s=%s)",
1140 LDAP_ATTRIBUTE_SID,
1141 sid_string_static(ids[idx]->sid));
1142 CHECK_ALLOC_DONE(filter);
1143 }
1144 filter = talloc_asprintf_append(filter, "))");
1145 CHECK_ALLOC_DONE(filter);
1146 DEBUG(10, ("Filter: [%s]", filter));
1147 } else {
1148 bidx = 0;
1149 idx = 1;
1150 }
1151
1152 rc = smbldap_search(ctx->smbldap_state, ctx->suffix, LDAP_SCOPE_SUBTREE,
1153 filter, attr_list, 0, &result);
1154
1155 if (rc != LDAP_SUCCESS) {
1156 DEBUG(3,("Failure looking up sids (%s)\n", ldap_err2string(rc)));
1157 ret = NT_STATUS_UNSUCCESSFUL;
1158 goto done;
1159 }
1160
1161 count = ldap_count_entries(ctx->smbldap_state->ldap_struct, result);
1162
1163 if (count == 0) {
1164 DEBUG(10, ("NO SIDs found\n"));
1165 }
1166
1167 for (i = 0; i < count; i++) {
1168 char *sidstr = NULL;
1169 char *tmp = NULL;
1170 enum id_type type;
1171 struct id_map *map;
1172 DOM_SID sid;
1173 uint32_t id;
1174
1175 if (i == 0) { /* first entry */
1176 entry = ldap_first_entry(ctx->smbldap_state->ldap_struct, result);
1177 } else { /* following ones */
1178 entry = ldap_next_entry(ctx->smbldap_state->ldap_struct, entry);
1179 }
1180 if ( ! entry) {
1181 DEBUG(2, ("ERROR: Unable to fetch ldap entries from results\n"));
1182 break;
1183 }
1184
1185 /* first check if the SID is present */
1186 sidstr = smbldap_talloc_single_attribute(
1187 ctx->smbldap_state->ldap_struct,
1188 entry, LDAP_ATTRIBUTE_SID, memctx);
1189 if ( ! sidstr) { /* no sid ??, skip entry */
1190 DEBUG(2, ("WARNING SID not found on entry\n"));
1191 continue;
1192 }
1193
1194 if ( ! string_to_sid(&sid, sidstr)) {
1195 DEBUG(2, ("ERROR: Invalid SID on entry\n"));
1196 TALLOC_FREE(sidstr);
1197 continue;
1198 }
1199
1200 map = find_map_by_sid(&ids[bidx], &sid);
1201 if (!map) {
1202 DEBUG(2, ("WARNING: couldn't find entry sid (%s) in ids", sidstr));
1203 TALLOC_FREE(sidstr);
1204 continue;
1205 }
1206
1207 TALLOC_FREE(sidstr);
1208
1209 /* now try to see if it is a uid, if not try with a gid
1210 * (gid is more common, but in case both uidNumber and
1211 * gidNumber are returned the SID is mapped to the uid not the gid) */
1212 type = ID_TYPE_UID;
1213 tmp = smbldap_talloc_single_attribute(
1214 ctx->smbldap_state->ldap_struct,
1215 entry, uidNumber, memctx);
1216 if ( ! tmp) {
1217 type = ID_TYPE_GID;
1218 tmp = smbldap_talloc_single_attribute(
1219 ctx->smbldap_state->ldap_struct,
1220 entry, gidNumber, memctx);
1221 }
1222 if ( ! tmp) { /* no ids ?? */
1223 DEBUG(5, ("no uidNumber, nor gidNumber attributes found\n"));
1224 continue;
1225 }
1226
1227 id = strtoul(tmp, NULL, 10);
1228 if ((id == 0) ||
1229 (ctx->filter_low_id && (id < ctx->filter_low_id)) ||
1230 (ctx->filter_high_id && (id > ctx->filter_high_id))) {
1231 DEBUG(5, ("Requested id (%u) out of range (%u - %u). Filtered!\n",
1232 id, ctx->filter_low_id, ctx->filter_high_id));
1233 TALLOC_FREE(tmp);
1234 continue;
1235 }
1236 TALLOC_FREE(tmp);
1237
1238 /* mapped */
1239 map->xid.type = type;
1240 map->xid.id = id;
1241 map->status = ID_MAPPED;
1242
1243 DEBUG(10, ("Mapped %s -> %lu (%d)\n", sid_string_static(map->sid), (unsigned long)map->xid.id, map->xid.type));
1244 }
1245
1246 /* free the ldap results */
1247 if (result) {
1248 ldap_msgfree(result);
1249 result = NULL;
1250 }
1251
1252 if (multi && ids[idx]) { /* still some values to map */
1253 goto again;
1254 }
1255
1256 ret = NT_STATUS_OK;
1257
1258 /* mark all unknwon/expired ones as unmapped */
1259 for (i = 0; ids[i]; i++) {
1260 if (ids[i]->status != ID_MAPPED)
1261 ids[i]->status = ID_UNMAPPED;
1262 }
1263
1264 done:
1265 talloc_free(memctx);
1266 return ret;
1267 }
1268
1269 /**********************************
1270 set a mapping.
1271 **********************************/
1272
1273 /* TODO: change this: This function cannot be called to modify a mapping, only set a new one */
1274
1275 static NTSTATUS idmap_ldap_set_mapping(struct idmap_domain *dom, const struct id_map *map)
1276 {
1277 NTSTATUS ret;
1278 TALLOC_CTX *memctx;
1279 struct idmap_ldap_context *ctx;
1280 LDAPMessage *entry = NULL;
1281 LDAPMod **mods = NULL;
1282 const char *type;
1283 char *id_str;
1284 char *sid;
1285 char *dn;
1286 int rc = -1;
1287
1288 /* Only do query if we are online */
1289 if (idmap_is_offline()) {
1290 return NT_STATUS_FILE_IS_OFFLINE;
1291 }
1292
1293 /* Initilization my have been deferred because we were offline */
1294 if ( ! dom->initialized) {
1295 ret = idmap_ldap_db_init(dom);
1296 if ( ! NT_STATUS_IS_OK(ret)) {
1297 return ret;
1298 }
1299 }
1300
1301 ctx = talloc_get_type(dom->private_data, struct idmap_ldap_context);
1302
1303 switch(map->xid.type) {
1304 case ID_TYPE_UID:
1305 type = get_attr_key2string(sidmap_attr_list, LDAP_ATTR_UIDNUMBER);
1306 break;
1307
1308 case ID_TYPE_GID:
1309 type = get_attr_key2string(sidmap_attr_list, LDAP_ATTR_GIDNUMBER);
1310 break;
1311
1312 default:
1313 return NT_STATUS_INVALID_PARAMETER;
1314 }
1315
1316 memctx = talloc_new(ctx);
1317 if ( ! memctx) {
1318 DEBUG(0, ("Out of memory!\n"));
1319 return NT_STATUS_NO_MEMORY;
1320 }
1321
1322 id_str = talloc_asprintf(memctx, "%lu", (unsigned long)map->xid.id);
1323 CHECK_ALLOC_DONE(id_str);
1324
1325 sid = talloc_strdup(memctx, sid_string_static(map->sid));
1326 CHECK_ALLOC_DONE(sid);
1327
1328 dn = talloc_asprintf(memctx, "%s=%s,%s",
1329 get_attr_key2string(sidmap_attr_list, LDAP_ATTR_SID),
1330 sid,
1331 ctx->suffix);
1332 CHECK_ALLOC_DONE(dn);
1333
1334 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_IDMAP_ENTRY);
1335
1336 smbldap_make_mod(ctx->smbldap_state->ldap_struct, entry, &mods, type, id_str);
1337
1338 smbldap_make_mod(ctx->smbldap_state->ldap_struct, entry, &mods,
1339 get_attr_key2string(sidmap_attr_list, LDAP_ATTR_SID), sid);
1340
1341 if ( ! mods) {
1342 DEBUG(2, ("ERROR: No mods?\n"));
1343 ret = NT_STATUS_UNSUCCESSFUL;
1344 goto done;
1345 }
1346
1347 /* TODO: remove conflicting mappings! */
1348
1349 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SID_ENTRY);
1350
1351 DEBUG(10, ("Set DN %s (%s -> %s)\n", dn, sid, id_str));
1352
1353 rc = smbldap_add(ctx->smbldap_state, dn, mods);
1354 ldap_mods_free(mods, True);
1355
1356 if (rc != LDAP_SUCCESS) {
1357 char *ld_error = NULL;
1358 ldap_get_option(ctx->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
1359 DEBUG(0,("ldap_set_mapping_internals: Failed to add %s to %lu mapping [%s]\n",
1360 sid, (unsigned long)map->xid.id, type));
1361 DEBUG(0, ("ldap_set_mapping_internals: Error was: %s (%s)\n",
1362 ld_error ? ld_error : "(NULL)", ldap_err2string (rc)));
1363 if (ld_error) {
1364 ldap_memfree(ld_error);
1365 }
1366 ret = NT_STATUS_UNSUCCESSFUL;
1367 goto done;
1368 }
1369
1370 DEBUG(10,("ldap_set_mapping: Successfully created mapping from %s to %lu [%s]\n",
1371 sid, (unsigned long)map->xid.id, type));
1372
1373 ret = NT_STATUS_OK;
1374
1375 done:
1376 talloc_free(memctx);
1377 return ret;
1378 }
1379
1380 /**********************************
1381 Close the idmap ldap instance
1382 **********************************/
1383
1384 static NTSTATUS idmap_ldap_close(struct idmap_domain *dom)
1385 {
1386 struct idmap_ldap_context *ctx;
1387
1388 if (dom->private_data) {
1389 ctx = talloc_get_type(dom->private_data, struct idmap_ldap_context);
1390
1391 talloc_free(ctx);
1392 dom->private_data = NULL;
1393 }
1394
1395 return NT_STATUS_OK;
1396 }
1397
1398 static struct idmap_methods idmap_ldap_methods = {
1399
1400 .init = idmap_ldap_db_init,
1401 .unixids_to_sids = idmap_ldap_unixids_to_sids,
1402 .sids_to_unixids = idmap_ldap_sids_to_unixids,
1403 .set_mapping = idmap_ldap_set_mapping,
1404 .close_fn = idmap_ldap_close
1405 };
1406
1407 static struct idmap_alloc_methods idmap_ldap_alloc_methods = {
1408
1409 .init = idmap_ldap_alloc_init,
1410 .allocate_id = idmap_ldap_allocate_id,
1411 .get_id_hwm = idmap_ldap_get_hwm,
1412 .set_id_hwm = idmap_ldap_set_hwm,
1413 .close_fn = idmap_ldap_alloc_close,
1414 /* .dump_data = TODO */
1415 };
1416
1417 NTSTATUS idmap_alloc_ldap_init(void)
1418 {
1419 return smb_register_idmap_alloc(SMB_IDMAP_INTERFACE_VERSION, "ldap", &idmap_ldap_alloc_methods);
1420 }
1421
1422 NTSTATUS idmap_ldap_init(void)
1423 {
1424 NTSTATUS ret;
1425
1426 /* FIXME: bad hack to actually register also the alloc_ldap module without changining configure.in */
1427 ret = idmap_alloc_ldap_init();
1428 if (! NT_STATUS_IS_OK(ret)) {
1429 return ret;
1430 }
1431 return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION, "ldap", &idmap_ldap_methods);
1432 }
1433
Tomato firmware and modifications.