source: branches/samba-3.3.x/source/lib/smbldap.c@ 309

Last change on this file since 309 was 274, checked in by Herwig Bauernfeind, 16 years ago

Update 3.3 branch to 3.3.5
File size: 54.8 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
22
23*/
24
25#include "includes.h"
26#include "smbldap.h"
27
28#ifndef LDAP_OPT_SUCCESS
29#define LDAP_OPT_SUCCESS 0
30#endif
31
32/* Try not to hit the up or down server forever */
33
34#define SMBLDAP_DONT_PING_TIME 10 /* ping only all 10 seconds */
35#define SMBLDAP_NUM_RETRIES 8 /* retry only 8 times */
36
37#define SMBLDAP_IDLE_TIME 150 /* After 2.5 minutes disconnect */
38
39
40/* attributes used by Samba 2.2 */
41
42ATTRIB_MAP_ENTRY attrib_map_v22[] = {
43 { LDAP_ATTR_UID, "uid" },
44 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
45 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
46 { LDAP_ATTR_UNIX_HOME, "homeDirectory" },
47 { LDAP_ATTR_PWD_LAST_SET, "pwdLastSet" },
48 { LDAP_ATTR_PWD_CAN_CHANGE, "pwdCanChange" },
49 { LDAP_ATTR_PWD_MUST_CHANGE, "pwdMustChange" },
50 { LDAP_ATTR_LOGON_TIME, "logonTime" },
51 { LDAP_ATTR_LOGOFF_TIME, "logoffTime" },
52 { LDAP_ATTR_KICKOFF_TIME, "kickoffTime" },
53 { LDAP_ATTR_CN, "cn" },
54 { LDAP_ATTR_SN, "sn" },
55 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
56 { LDAP_ATTR_HOME_PATH, "smbHome" },
57 { LDAP_ATTR_HOME_DRIVE, "homeDrive" },
58 { LDAP_ATTR_LOGON_SCRIPT, "scriptPath" },
59 { LDAP_ATTR_PROFILE_PATH, "profilePath" },
60 { LDAP_ATTR_DESC, "description" },
61 { LDAP_ATTR_USER_WKS, "userWorkstations"},
62 { LDAP_ATTR_USER_RID, "rid" },
63 { LDAP_ATTR_PRIMARY_GROUP_RID, "primaryGroupID"},
64 { LDAP_ATTR_LMPW, "lmPassword" },
65 { LDAP_ATTR_NTPW, "ntPassword" },
66 { LDAP_ATTR_DOMAIN, "domain" },
67 { LDAP_ATTR_OBJCLASS, "objectClass" },
68 { LDAP_ATTR_ACB_INFO, "acctFlags" },
69 { LDAP_ATTR_MOD_TIMESTAMP, "modifyTimestamp" },
70 { LDAP_ATTR_LIST_END, NULL }
71};
72
73ATTRIB_MAP_ENTRY attrib_map_to_delete_v22[] = {
74 { LDAP_ATTR_PWD_LAST_SET, "pwdLastSet" },
75 { LDAP_ATTR_PWD_CAN_CHANGE, "pwdCanChange" },
76 { LDAP_ATTR_PWD_MUST_CHANGE, "pwdMustChange" },
77 { LDAP_ATTR_LOGON_TIME, "logonTime" },
78 { LDAP_ATTR_LOGOFF_TIME, "logoffTime" },
79 { LDAP_ATTR_KICKOFF_TIME, "kickoffTime" },
80 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
81 { LDAP_ATTR_HOME_PATH, "smbHome" },
82 { LDAP_ATTR_HOME_DRIVE, "homeDrives" },
83 { LDAP_ATTR_LOGON_SCRIPT, "scriptPath" },
84 { LDAP_ATTR_PROFILE_PATH, "profilePath" },
85 { LDAP_ATTR_USER_WKS, "userWorkstations"},
86 { LDAP_ATTR_USER_RID, "rid" },
87 { LDAP_ATTR_PRIMARY_GROUP_RID, "primaryGroupID"},
88 { LDAP_ATTR_LMPW, "lmPassword" },
89 { LDAP_ATTR_NTPW, "ntPassword" },
90 { LDAP_ATTR_DOMAIN, "domain" },
91 { LDAP_ATTR_ACB_INFO, "acctFlags" },
92 { LDAP_ATTR_LIST_END, NULL }
93};
94
95/* attributes used by Samba 3.0's sambaSamAccount */
96
97ATTRIB_MAP_ENTRY attrib_map_v30[] = {
98 { LDAP_ATTR_UID, "uid" },
99 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
100 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
101 { LDAP_ATTR_UNIX_HOME, "homeDirectory" },
102 { LDAP_ATTR_PWD_LAST_SET, "sambaPwdLastSet" },
103 { LDAP_ATTR_PWD_CAN_CHANGE, "sambaPwdCanChange" },
104 { LDAP_ATTR_PWD_MUST_CHANGE, "sambaPwdMustChange" },
105 { LDAP_ATTR_LOGON_TIME, "sambaLogonTime" },
106 { LDAP_ATTR_LOGOFF_TIME, "sambaLogoffTime" },
107 { LDAP_ATTR_KICKOFF_TIME, "sambaKickoffTime" },
108 { LDAP_ATTR_CN, "cn" },
109 { LDAP_ATTR_SN, "sn" },
110 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
111 { LDAP_ATTR_HOME_DRIVE, "sambaHomeDrive" },
112 { LDAP_ATTR_HOME_PATH, "sambaHomePath" },
113 { LDAP_ATTR_LOGON_SCRIPT, "sambaLogonScript" },
114 { LDAP_ATTR_PROFILE_PATH, "sambaProfilePath" },
115 { LDAP_ATTR_DESC, "description" },
116 { LDAP_ATTR_USER_WKS, "sambaUserWorkstations" },
117 { LDAP_ATTR_USER_SID, LDAP_ATTRIBUTE_SID },
118 { LDAP_ATTR_PRIMARY_GROUP_SID, "sambaPrimaryGroupSID" },
119 { LDAP_ATTR_LMPW, "sambaLMPassword" },
120 { LDAP_ATTR_NTPW, "sambaNTPassword" },
121 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
122 { LDAP_ATTR_OBJCLASS, "objectClass" },
123 { LDAP_ATTR_ACB_INFO, "sambaAcctFlags" },
124 { LDAP_ATTR_MUNGED_DIAL, "sambaMungedDial" },
125 { LDAP_ATTR_BAD_PASSWORD_COUNT, "sambaBadPasswordCount" },
126 { LDAP_ATTR_BAD_PASSWORD_TIME, "sambaBadPasswordTime" },
127 { LDAP_ATTR_PWD_HISTORY, "sambaPasswordHistory" },
128 { LDAP_ATTR_MOD_TIMESTAMP, "modifyTimestamp" },
129 { LDAP_ATTR_LOGON_HOURS, "sambaLogonHours" },
130 { LDAP_ATTR_LIST_END, NULL }
131};
132
133ATTRIB_MAP_ENTRY attrib_map_to_delete_v30[] = {
134 { LDAP_ATTR_PWD_LAST_SET, "sambaPwdLastSet" },
135 { LDAP_ATTR_PWD_CAN_CHANGE, "sambaPwdCanChange" },
136 { LDAP_ATTR_PWD_MUST_CHANGE, "sambaPwdMustChange" },
137 { LDAP_ATTR_LOGON_TIME, "sambaLogonTime" },
138 { LDAP_ATTR_LOGOFF_TIME, "sambaLogoffTime" },
139 { LDAP_ATTR_KICKOFF_TIME, "sambaKickoffTime" },
140 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
141 { LDAP_ATTR_HOME_DRIVE, "sambaHomeDrive" },
142 { LDAP_ATTR_HOME_PATH, "sambaHomePath" },
143 { LDAP_ATTR_LOGON_SCRIPT, "sambaLogonScript" },
144 { LDAP_ATTR_PROFILE_PATH, "sambaProfilePath" },
145 { LDAP_ATTR_USER_WKS, "sambaUserWorkstations" },
146 { LDAP_ATTR_USER_SID, LDAP_ATTRIBUTE_SID },
147 { LDAP_ATTR_PRIMARY_GROUP_SID, "sambaPrimaryGroupSID" },
148 { LDAP_ATTR_LMPW, "sambaLMPassword" },
149 { LDAP_ATTR_NTPW, "sambaNTPassword" },
150 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
151 { LDAP_ATTR_ACB_INFO, "sambaAcctFlags" },
152 { LDAP_ATTR_MUNGED_DIAL, "sambaMungedDial" },
153 { LDAP_ATTR_BAD_PASSWORD_COUNT, "sambaBadPasswordCount" },
154 { LDAP_ATTR_BAD_PASSWORD_TIME, "sambaBadPasswordTime" },
155 { LDAP_ATTR_PWD_HISTORY, "sambaPasswordHistory" },
156 { LDAP_ATTR_LOGON_HOURS, "sambaLogonHours" },
157 { LDAP_ATTR_LIST_END, NULL }
158};
159
160/* attributes used for allocating RIDs */
161
162ATTRIB_MAP_ENTRY dominfo_attr_list[] = {
163 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
164 { LDAP_ATTR_NEXT_RID, "sambaNextRid" },
165 { LDAP_ATTR_NEXT_USERRID, "sambaNextUserRid" },
166 { LDAP_ATTR_NEXT_GROUPRID, "sambaNextGroupRid" },
167 { LDAP_ATTR_DOM_SID, LDAP_ATTRIBUTE_SID },
168 { LDAP_ATTR_ALGORITHMIC_RID_BASE,"sambaAlgorithmicRidBase"},
169 { LDAP_ATTR_OBJCLASS, "objectClass" },
170 { LDAP_ATTR_LIST_END, NULL },
171};
172
173/* Samba 3.0 group mapping attributes */
174
175ATTRIB_MAP_ENTRY groupmap_attr_list[] = {
176 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
177 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
178 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
179 { LDAP_ATTR_SID_LIST, "sambaSIDList" },
180 { LDAP_ATTR_DESC, "description" },
181 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
182 { LDAP_ATTR_CN, "cn" },
183 { LDAP_ATTR_OBJCLASS, "objectClass" },
184 { LDAP_ATTR_LIST_END, NULL }
185};
186
187ATTRIB_MAP_ENTRY groupmap_attr_list_to_delete[] = {
188 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
189 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
190 { LDAP_ATTR_DESC, "description" },
191 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
192 { LDAP_ATTR_SID_LIST, "sambaSIDList" },
193 { LDAP_ATTR_LIST_END, NULL }
194};
195
196/* idmap_ldap sambaUnixIdPool */
197
198ATTRIB_MAP_ENTRY idpool_attr_list[] = {
199 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
200 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
201 { LDAP_ATTR_OBJCLASS, "objectClass" },
202 { LDAP_ATTR_LIST_END, NULL }
203};
204
205ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
206 { LDAP_ATTR_SID, LDAP_ATTRIBUTE_SID },
207 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
208 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
209 { LDAP_ATTR_OBJCLASS, "objectClass" },
210 { LDAP_ATTR_LIST_END, NULL }
211};
212
213/**********************************************************************
214 perform a simple table lookup and return the attribute name
215 **********************************************************************/
216
217 const char* get_attr_key2string( ATTRIB_MAP_ENTRY table[], int key )
218{
219 int i = 0;
220
221 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
222 if ( table[i].attrib == key )
223 return table[i].name;
224 i++;
225 }
226
227 return NULL;
228}
229
230
231/**********************************************************************
232 Return the list of attribute names from a mapping table
233 **********************************************************************/
234
235 const char** get_attr_list( TALLOC_CTX *mem_ctx, ATTRIB_MAP_ENTRY table[] )
236{
237 const char **names;
238 int i = 0;
239
240 while ( table[i].attrib != LDAP_ATTR_LIST_END )
241 i++;
242 i++;
243
244 names = TALLOC_ARRAY( mem_ctx, const char*, i );
245 if ( !names ) {
246 DEBUG(0,("get_attr_list: out of memory\n"));
247 return NULL;
248 }
249
250 i = 0;
251 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
252 names[i] = talloc_strdup( names, table[i].name );
253 i++;
254 }
255 names[i] = NULL;
256
257 return names;
258}
259
260/*******************************************************************
261 Search an attribute and return the first value found.
262******************************************************************/
263
264 bool smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
265 const char *attribute, char *value,
266 int max_len)
267{
268 char **values;
269
270 if ( !attribute )
271 return False;
272
273 value[0] = '\0';
274
275 if ((values = ldap_get_values (ldap_struct, entry, attribute)) == NULL) {
276 DEBUG (10, ("smbldap_get_single_attribute: [%s] = [<does not exist>]\n", attribute));
277
278 return False;
279 }
280
281 if (convert_string(CH_UTF8, CH_UNIX,values[0], -1, value, max_len, False) == (size_t)-1) {
282 DEBUG(1, ("smbldap_get_single_attribute: string conversion of [%s] = [%s] failed!\n",
283 attribute, values[0]));
284 ldap_value_free(values);
285 return False;
286 }
287
288 ldap_value_free(values);
289#ifdef DEBUG_PASSWORDS
290 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n", attribute, value));
291#endif
292 return True;
293}
294
295 char * smbldap_talloc_single_attribute(LDAP *ldap_struct, LDAPMessage *entry,
296 const char *attribute,
297 TALLOC_CTX *mem_ctx)
298{
299 char **values;
300 char *result;
301 size_t converted_size;
302
303 if (attribute == NULL) {
304 return NULL;
305 }
306
307 values = ldap_get_values(ldap_struct, entry, attribute);
308
309 if (values == NULL) {
310 DEBUG(10, ("attribute %s does not exist\n", attribute));
311 return NULL;
312 }
313
314 if (ldap_count_values(values) != 1) {
315 DEBUG(10, ("attribute %s has %d values, expected only one\n",
316 attribute, ldap_count_values(values)));
317 ldap_value_free(values);
318 return NULL;
319 }
320
321 if (!pull_utf8_talloc(mem_ctx, &result, values[0], &converted_size)) {
322 DEBUG(10, ("pull_utf8_talloc failed\n"));
323 ldap_value_free(values);
324 return NULL;
325 }
326
327 ldap_value_free(values);
328
329#ifdef DEBUG_PASSWORDS
330 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n",
331 attribute, result));
332#endif
333 return result;
334}
335
336 char * smbldap_talloc_smallest_attribute(LDAP *ldap_struct, LDAPMessage *entry,
337 const char *attribute,
338 TALLOC_CTX *mem_ctx)
339{
340 char **values;
341 char *result;
342 size_t converted_size;
343 int i, num_values;
344
345 if (attribute == NULL) {
346 return NULL;
347 }
348
349 values = ldap_get_values(ldap_struct, entry, attribute);
350
351 if (values == NULL) {
352 DEBUG(10, ("attribute %s does not exist\n", attribute));
353 return NULL;
354 }
355
356 if (!pull_utf8_talloc(mem_ctx, &result, values[0], &converted_size)) {
357 DEBUG(10, ("pull_utf8_talloc failed\n"));
358 ldap_value_free(values);
359 return NULL;
360 }
361
362 num_values = ldap_count_values(values);
363
364 for (i=1; i<num_values; i++) {
365 char *tmp;
366
367 if (!pull_utf8_talloc(mem_ctx, &tmp, values[i],
368 &converted_size)) {
369 DEBUG(10, ("pull_utf8_talloc failed\n"));
370 TALLOC_FREE(result);
371 ldap_value_free(values);
372 return NULL;
373 }
374
375 if (StrCaseCmp(tmp, result) < 0) {
376 TALLOC_FREE(result);
377 result = tmp;
378 } else {
379 TALLOC_FREE(tmp);
380 }
381 }
382
383 ldap_value_free(values);
384
385#ifdef DEBUG_PASSWORDS
386 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n",
387 attribute, result));
388#endif
389 return result;
390}
391
392 char * smbldap_talloc_smallest_attribute(LDAP *ldap_struct, LDAPMessage *entry,
393 const char *attribute,
394 TALLOC_CTX *mem_ctx)
395{
396 char **values;
397 char *result;
398 size_t converted_size;
399 int i, num_values;
400
401 if (attribute == NULL) {
402 return NULL;
403 }
404
405 values = ldap_get_values(ldap_struct, entry, attribute);
406
407 if (values == NULL) {
408 DEBUG(10, ("attribute %s does not exist\n", attribute));
409 return NULL;
410 }
411
412 if (!pull_utf8_talloc(mem_ctx, &result, values[0], &converted_size)) {
413 DEBUG(10, ("pull_utf8_talloc failed\n"));
414 ldap_value_free(values);
415 return NULL;
416 }
417
418 num_values = ldap_count_values(values);
419
420 for (i=1; i<num_values; i++) {
421 char *tmp;
422
423 if (!pull_utf8_talloc(mem_ctx, &tmp, values[i],
424 &converted_size)) {
425 DEBUG(10, ("pull_utf8_talloc failed\n"));
426 TALLOC_FREE(result);
427 ldap_value_free(values);
428 return NULL;
429 }
430
431 if (StrCaseCmp(tmp, result) < 0) {
432 TALLOC_FREE(result);
433 result = tmp;
434 } else {
435 TALLOC_FREE(tmp);
436 }
437 }
438
439 ldap_value_free(values);
440
441#ifdef DEBUG_PASSWORDS
442 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n",
443 attribute, result));
444#endif
445 return result;
446}
447
448 static int ldapmsg_destructor(LDAPMessage **result) {
449 ldap_msgfree(*result);
450 return 0;
451}
452
453 void talloc_autofree_ldapmsg(TALLOC_CTX *mem_ctx, LDAPMessage *result)
454{
455 LDAPMessage **handle;
456
457 if (result == NULL) {
458 return;
459 }
460
461 handle = TALLOC_P(mem_ctx, LDAPMessage *);
462 SMB_ASSERT(handle != NULL);
463
464 *handle = result;
465 talloc_set_destructor(handle, ldapmsg_destructor);
466}
467
468 static int ldapmod_destructor(LDAPMod ***mod) {
469 ldap_mods_free(*mod, True);
470 return 0;
471}
472
473 void talloc_autofree_ldapmod(TALLOC_CTX *mem_ctx, LDAPMod **mod)
474{
475 LDAPMod ***handle;
476
477 if (mod == NULL) {
478 return;
479 }
480
481 handle = TALLOC_P(mem_ctx, LDAPMod **);
482 SMB_ASSERT(handle != NULL);
483
484 *handle = mod;
485 talloc_set_destructor(handle, ldapmod_destructor);
486}
487
488/************************************************************************
489 Routine to manage the LDAPMod structure array
490 manage memory used by the array, by each struct, and values
491 ***********************************************************************/
492
493 void smbldap_set_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
494{
495 LDAPMod **mods;
496 int i;
497 int j;
498
499 mods = *modlist;
500
501 /* sanity checks on the mod values */
502
503 if (attribute == NULL || *attribute == '\0') {
504 return;
505 }
506
507#if 0 /* commented out after discussion with abartlet. Do not reenable.
508 left here so other do not re-add similar code --jerry */
509 if (value == NULL || *value == '\0')
510 return;
511#endif
512
513 if (mods == NULL) {
514 mods = SMB_MALLOC_P(LDAPMod *);
515 if (mods == NULL) {
516 smb_panic("smbldap_set_mod: out of memory!");
517 /* notreached. */
518 }
519 mods[0] = NULL;
520 }
521
522 for (i = 0; mods[i] != NULL; ++i) {
523 if (mods[i]->mod_op == modop && strequal(mods[i]->mod_type, attribute))
524 break;
525 }
526
527 if (mods[i] == NULL) {
528 mods = SMB_REALLOC_ARRAY (mods, LDAPMod *, i + 2);
529 if (mods == NULL) {
530 smb_panic("smbldap_set_mod: out of memory!");
531 /* notreached. */
532 }
533 mods[i] = SMB_MALLOC_P(LDAPMod);
534 if (mods[i] == NULL) {
535 smb_panic("smbldap_set_mod: out of memory!");
536 /* notreached. */
537 }
538 mods[i]->mod_op = modop;
539 mods[i]->mod_values = NULL;
540 mods[i]->mod_type = SMB_STRDUP(attribute);
541 mods[i + 1] = NULL;
542 }
543
544 if (value != NULL) {
545 char *utf8_value = NULL;
546 size_t converted_size;
547
548 j = 0;
549 if (mods[i]->mod_values != NULL) {
550 for (; mods[i]->mod_values[j] != NULL; j++);
551 }
552 mods[i]->mod_values = SMB_REALLOC_ARRAY(mods[i]->mod_values, char *, j + 2);
553
554 if (mods[i]->mod_values == NULL) {
555 smb_panic("smbldap_set_mod: out of memory!");
556 /* notreached. */
557 }
558
559 if (!push_utf8_allocate(&utf8_value, value, &converted_size)) {
560 smb_panic("smbldap_set_mod: String conversion failure!");
561 /* notreached. */
562 }
563
564 mods[i]->mod_values[j] = utf8_value;
565
566 mods[i]->mod_values[j + 1] = NULL;
567 }
568 *modlist = mods;
569}
570
571/**********************************************************************
572 Set attribute to newval in LDAP, regardless of what value the
573 attribute had in LDAP before.
574*********************************************************************/
575
576 void smbldap_make_mod(LDAP *ldap_struct, LDAPMessage *existing,
577 LDAPMod ***mods,
578 const char *attribute, const char *newval)
579{
580 char oldval[2048]; /* current largest allowed value is mungeddial */
581 bool existed;
582
583 if (attribute == NULL) {
584 /* This can actually happen for ldapsam_compat where we for
585 * example don't have a password history */
586 return;
587 }
588
589 if (existing != NULL) {
590 existed = smbldap_get_single_attribute(ldap_struct, existing, attribute, oldval, sizeof(oldval));
591 } else {
592 existed = False;
593 *oldval = '\0';
594 }
595
596 /* all of our string attributes are case insensitive */
597
598 if (existed && newval && (StrCaseCmp(oldval, newval) == 0)) {
599
600 /* Believe it or not, but LDAP will deny a delete and
601 an add at the same time if the values are the
602 same... */
603 DEBUG(10,("smbldap_make_mod: attribute |%s| not changed.\n", attribute));
604 return;
605 }
606
607 if (existed) {
608 /* There has been no value before, so don't delete it.
609 * Here's a possible race: We might end up with
610 * duplicate attributes */
611 /* By deleting exactly the value we found in the entry this
612 * should be race-free in the sense that the LDAP-Server will
613 * deny the complete operation if somebody changed the
614 * attribute behind our back. */
615 /* This will also allow modifying single valued attributes
616 * in Novell NDS. In NDS you have to first remove attribute and then
617 * you could add new value */
618
619 DEBUG(10,("smbldap_make_mod: deleting attribute |%s| values |%s|\n", attribute, oldval));
620 smbldap_set_mod(mods, LDAP_MOD_DELETE, attribute, oldval);
621 }
622
623 /* Regardless of the real operation (add or modify)
624 we add the new value here. We rely on deleting
625 the old value, should it exist. */
626
627 if ((newval != NULL) && (strlen(newval) > 0)) {
628 DEBUG(10,("smbldap_make_mod: adding attribute |%s| value |%s|\n", attribute, newval));
629 smbldap_set_mod(mods, LDAP_MOD_ADD, attribute, newval);
630 }
631}
632
633/**********************************************************************
634 Some varients of the LDAP rebind code do not pass in the third 'arg'
635 pointer to a void*, so we try and work around it by assuming that the
636 value of the 'LDAP *' pointer is the same as the one we had passed in
637 **********************************************************************/
638
639struct smbldap_state_lookup {
640 LDAP *ld;
641 struct smbldap_state *smbldap_state;
642 struct smbldap_state_lookup *prev, *next;
643};
644
645static struct smbldap_state_lookup *smbldap_state_lookup_list;
646
647static struct smbldap_state *smbldap_find_state(LDAP *ld)
648{
649 struct smbldap_state_lookup *t;
650
651 for (t = smbldap_state_lookup_list; t; t = t->next) {
652 if (t->ld == ld) {
653 return t->smbldap_state;
654 }
655 }
656 return NULL;
657}
658
659static void smbldap_delete_state(struct smbldap_state *smbldap_state)
660{
661 struct smbldap_state_lookup *t;
662
663 for (t = smbldap_state_lookup_list; t; t = t->next) {
664 if (t->smbldap_state == smbldap_state) {
665 DLIST_REMOVE(smbldap_state_lookup_list, t);
666 SAFE_FREE(t);
667 return;
668 }
669 }
670}
671
672static void smbldap_store_state(LDAP *ld, struct smbldap_state *smbldap_state)
673{
674 struct smbldap_state *tmp_ldap_state;
675 struct smbldap_state_lookup *t;
676
677 if ((tmp_ldap_state = smbldap_find_state(ld))) {
678 SMB_ASSERT(tmp_ldap_state == smbldap_state);
679 return;
680 }
681
682 t = SMB_XMALLOC_P(struct smbldap_state_lookup);
683 ZERO_STRUCTP(t);
684
685 DLIST_ADD_END(smbldap_state_lookup_list, t, struct smbldap_state_lookup *);
686 t->ld = ld;
687 t->smbldap_state = smbldap_state;
688}
689
690/********************************************************************
691 start TLS on an existing LDAP connection
692*******************************************************************/
693
694int smb_ldap_start_tls(LDAP *ldap_struct, int version)
695{
696#ifdef LDAP_OPT_X_TLS
697 int rc;
698#endif
699
700 if (lp_ldap_ssl() != LDAP_SSL_START_TLS) {
701 return LDAP_SUCCESS;
702 }
703
704#ifdef LDAP_OPT_X_TLS
705 if (version != LDAP_VERSION3) {
706 DEBUG(0, ("Need LDAPv3 for Start TLS\n"));
707 return LDAP_OPERATIONS_ERROR;
708 }
709
710 if ((rc = ldap_start_tls_s (ldap_struct, NULL, NULL)) != LDAP_SUCCESS) {
711 DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
712 ldap_err2string(rc)));
713 return rc;
714 }
715
716 DEBUG (3, ("StartTLS issued: using a TLS connection\n"));
717 return LDAP_SUCCESS;
718#else
719 DEBUG(0,("StartTLS not supported by LDAP client libraries!\n"));
720 return LDAP_OPERATIONS_ERROR;
721#endif
722}
723
724/********************************************************************
725 setup a connection to the LDAP server based on a uri
726*******************************************************************/
727
728int smb_ldap_setup_conn(LDAP **ldap_struct, const char *uri)
729{
730 int rc;
731
732 DEBUG(10, ("smb_ldap_setup_connection: %s\n", uri));
733
734#ifdef HAVE_LDAP_INITIALIZE
735
736 rc = ldap_initialize(ldap_struct, uri);
737 if (rc) {
738 DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc)));
739 }
740
741 return rc;
742#else
743
744 /* Parse the string manually */
745
746 {
747 int port = 0;
748 fstring protocol;
749 fstring host;
750 SMB_ASSERT(sizeof(protocol)>10 && sizeof(host)>254);
751
752
753 /* skip leading "URL:" (if any) */
754 if ( strnequal( uri, "URL:", 4 ) ) {
755 uri += 4;
756 }
757
758 sscanf(uri, "%10[^:]://%254[^:/]:%d", protocol, host, &port);
759
760 if (port == 0) {
761 if (strequal(protocol, "ldap")) {
762 port = LDAP_PORT;
763 } else if (strequal(protocol, "ldaps")) {
764 port = LDAPS_PORT;
765 } else {
766 DEBUG(0, ("unrecognised protocol (%s)!\n", protocol));
767 }
768 }
769
770 if ((*ldap_struct = ldap_init(host, port)) == NULL) {
771 DEBUG(0, ("ldap_init failed !\n"));
772 return LDAP_OPERATIONS_ERROR;
773 }
774
775 if (strequal(protocol, "ldaps")) {
776#ifdef LDAP_OPT_X_TLS
777 int tls = LDAP_OPT_X_TLS_HARD;
778 if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
779 {
780 DEBUG(0, ("Failed to setup a TLS session\n"));
781 }
782
783 DEBUG(3,("LDAPS option set...!\n"));
784#else
785 DEBUG(0,("smbldap_open_connection: Secure connection not supported by LDAP client libraries!\n"));
786 return LDAP_OPERATIONS_ERROR;
787#endif /* LDAP_OPT_X_TLS */
788 }
789 }
790#endif /* HAVE_LDAP_INITIALIZE */
791
792
793 /* now set connection timeout */
794#ifdef LDAP_X_OPT_CONNECT_TIMEOUT /* Netscape */
795 {
796 int ct = lp_ldap_connection_timeout()*1000;
797 rc = ldap_set_option(*ldap_struct, LDAP_X_OPT_CONNECT_TIMEOUT, &ct);
798 if (rc != LDAP_SUCCESS) {
799 DEBUG(0,("Failed to setup an ldap connection timeout %d: %s\n",
800 ct, ldap_err2string(rc)));
801 }
802 }
803#elif defined (LDAP_OPT_NETWORK_TIMEOUT) /* OpenLDAP */
804 {
805 struct timeval ct;
806 ct.tv_usec = 0;
807 ct.tv_sec = lp_ldap_connection_timeout();
808 rc = ldap_set_option(*ldap_struct, LDAP_OPT_NETWORK_TIMEOUT, &ct);
809 if (rc != LDAP_SUCCESS) {
810 DEBUG(0,("Failed to setup an ldap connection timeout %d: %s\n",
811 (int)ct.tv_sec, ldap_err2string(rc)));
812 }
813 }
814#endif
815
816 return LDAP_SUCCESS;
817}
818
819/********************************************************************
820 try to upgrade to Version 3 LDAP if not already, in either case return current
821 version
822 *******************************************************************/
823
824int smb_ldap_upgrade_conn(LDAP *ldap_struct, int *new_version)
825{
826 int version;
827 int rc;
828
829 /* assume the worst */
830 *new_version = LDAP_VERSION2;
831
832 rc = ldap_get_option(ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version);
833 if (rc) {
834 return rc;
835 }
836
837 if (version == LDAP_VERSION3) {
838 *new_version = LDAP_VERSION3;
839 return LDAP_SUCCESS;
840 }
841
842 /* try upgrade */
843 version = LDAP_VERSION3;
844 rc = ldap_set_option (ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version);
845 if (rc) {
846 return rc;
847 }
848
849 *new_version = LDAP_VERSION3;
850 return LDAP_SUCCESS;
851}
852
853/*******************************************************************
854 open a connection to the ldap server (just until the bind)
855 ******************************************************************/
856
857int smb_ldap_setup_full_conn(LDAP **ldap_struct, const char *uri)
858{
859 int rc, version;
860
861 rc = smb_ldap_setup_conn(ldap_struct, uri);
862 if (rc) {
863 return rc;
864 }
865
866 rc = smb_ldap_upgrade_conn(*ldap_struct, &version);
867 if (rc) {
868 return rc;
869 }
870
871 rc = smb_ldap_start_tls(*ldap_struct, version);
872 if (rc) {
873 return rc;
874 }
875
876 return LDAP_SUCCESS;
877}
878
879/*******************************************************************
880 open a connection to the ldap server.
881******************************************************************/
882static int smbldap_open_connection (struct smbldap_state *ldap_state)
883
884{
885 int rc = LDAP_SUCCESS;
886 int version;
887 LDAP **ldap_struct = &ldap_state->ldap_struct;
888
889 rc = smb_ldap_setup_conn(ldap_struct, ldap_state->uri);
890 if (rc) {
891 return rc;
892 }
893
894 /* Store the LDAP pointer in a lookup list */
895
896 smbldap_store_state(*ldap_struct, ldap_state);
897
898 /* Upgrade to LDAPv3 if possible */
899
900 rc = smb_ldap_upgrade_conn(*ldap_struct, &version);
901 if (rc) {
902 return rc;
903 }
904
905 /* Start TLS if required */
906
907 rc = smb_ldap_start_tls(*ldap_struct, version);
908 if (rc) {
909 return rc;
910 }
911
912 DEBUG(2, ("smbldap_open_connection: connection opened\n"));
913 return rc;
914}
915
916/*******************************************************************
917 a rebind function for authenticated referrals
918 This version takes a void* that we can shove useful stuff in :-)
919******************************************************************/
920#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
921#else
922static int rebindproc_with_state (LDAP * ld, char **whop, char **credp,
923 int *methodp, int freeit, void *arg)
924{
925 struct smbldap_state *ldap_state = arg;
926
927 /** @TODO Should we be doing something to check what servers we rebind to?
928 Could we get a referral to a machine that we don't want to give our
929 username and password to? */
930
931 if (freeit) {
932 SAFE_FREE(*whop);
933 if (*credp) {
934 memset(*credp, '\0', strlen(*credp));
935 }
936 SAFE_FREE(*credp);
937 } else {
938 DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n",
939 ldap_state->bind_dn?ldap_state->bind_dn:"[Anonymous bind]"));
940
941 if (ldap_state->anonymous) {
942 *whop = NULL;
943 *credp = NULL;
944 } else {
945 *whop = SMB_STRDUP(ldap_state->bind_dn);
946 if (!*whop) {
947 return LDAP_NO_MEMORY;
948 }
949 *credp = SMB_STRDUP(ldap_state->bind_secret);
950 if (!*credp) {
951 SAFE_FREE(*whop);
952 return LDAP_NO_MEMORY;
953 }
954 }
955 *methodp = LDAP_AUTH_SIMPLE;
956 }
957
958 GetTimeOfDay(&ldap_state->last_rebind);
959
960 return 0;
961}
962#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
963
964/*******************************************************************
965 a rebind function for authenticated referrals
966 This version takes a void* that we can shove useful stuff in :-)
967 and actually does the connection.
968******************************************************************/
969#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
970static int rebindproc_connect_with_state (LDAP *ldap_struct,
971 LDAP_CONST char *url,
972 ber_tag_t request,
973 ber_int_t msgid, void *arg)
974{
975 struct smbldap_state *ldap_state =
976 (struct smbldap_state *)arg;
977 int rc;
978 int version;
979
980 DEBUG(5,("rebindproc_connect_with_state: Rebinding to %s as \"%s\"\n",
981 url, ldap_state->bind_dn?ldap_state->bind_dn:"[Anonymous bind]"));
982
983 /* call START_TLS again (ldaps:// is handled by the OpenLDAP library
984 * itself) before rebinding to another LDAP server to avoid to expose
985 * our credentials. At least *try* to secure the connection - Guenther */
986
987 smb_ldap_upgrade_conn(ldap_struct, &version);
988 smb_ldap_start_tls(ldap_struct, version);
989
990 /** @TODO Should we be doing something to check what servers we rebind to?
991 Could we get a referral to a machine that we don't want to give our
992 username and password to? */
993
994 rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
995
996 /* only set the last rebind timestamp when we did rebind after a
997 * non-read LDAP operation. That way we avoid the replication sleep
998 * after a simple redirected search operation - Guenther */
999
1000 switch (request) {
1001
1002 case LDAP_REQ_MODIFY:
1003 case LDAP_REQ_ADD:
1004 case LDAP_REQ_DELETE:
1005 case LDAP_REQ_MODDN:
1006 case LDAP_REQ_EXTENDED:
1007 DEBUG(10,("rebindproc_connect_with_state: "
1008 "setting last_rebind timestamp "
1009 "(req: 0x%02x)\n", (unsigned int)request));
1010 GetTimeOfDay(&ldap_state->last_rebind);
1011 break;
1012 default:
1013 ZERO_STRUCT(ldap_state->last_rebind);
1014 break;
1015 }
1016
1017 return rc;
1018}
1019#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1020
1021/*******************************************************************
1022 Add a rebind function for authenticated referrals
1023******************************************************************/
1024#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
1025#else
1026# if LDAP_SET_REBIND_PROC_ARGS == 2
1027static int rebindproc (LDAP *ldap_struct, char **whop, char **credp,
1028 int *method, int freeit )
1029{
1030 struct smbldap_state *ldap_state = smbldap_find_state(ldap_struct);
1031
1032 return rebindproc_with_state(ldap_struct, whop, credp,
1033 method, freeit, ldap_state);
1034
1035}
1036# endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
1037#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1038
1039/*******************************************************************
1040 a rebind function for authenticated referrals
1041 this also does the connection, but no void*.
1042******************************************************************/
1043#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
1044# if LDAP_SET_REBIND_PROC_ARGS == 2
1045static int rebindproc_connect (LDAP * ld, LDAP_CONST char *url, int request,
1046 ber_int_t msgid)
1047{
1048 struct smbldap_state *ldap_state = smbldap_find_state(ld);
1049
1050 return rebindproc_connect_with_state(ld, url, (ber_tag_t)request, msgid,
1051 ldap_state);
1052}
1053# endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
1054#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1055
1056/*******************************************************************
1057 connect to the ldap server under system privilege.
1058******************************************************************/
1059static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_struct)
1060{
1061 int rc;
1062 int version;
1063
1064 if (!ldap_state->anonymous && !ldap_state->bind_dn) {
1065
1066 /* get the default dn and password only if they are not set already */
1067 if (!fetch_ldap_pw(&ldap_state->bind_dn, &ldap_state->bind_secret)) {
1068 DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
1069 return LDAP_INVALID_CREDENTIALS;
1070 }
1071 }
1072
1073 /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
1074 (OpenLDAP) doesnt' seem to support it */
1075
1076 DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
1077 ldap_state->uri, ldap_state->bind_dn));
1078
1079#ifdef HAVE_LDAP_SET_REBIND_PROC
1080#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
1081# if LDAP_SET_REBIND_PROC_ARGS == 2
1082 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect);
1083# endif
1084# if LDAP_SET_REBIND_PROC_ARGS == 3
1085 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect_with_state, (void *)ldap_state);
1086# endif
1087#else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1088# if LDAP_SET_REBIND_PROC_ARGS == 2
1089 ldap_set_rebind_proc(ldap_struct, &rebindproc);
1090# endif
1091# if LDAP_SET_REBIND_PROC_ARGS == 3
1092 ldap_set_rebind_proc(ldap_struct, &rebindproc_with_state, (void *)ldap_state);
1093# endif
1094#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1095#endif
1096
1097 rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
1098
1099 if (rc != LDAP_SUCCESS) {
1100 char *ld_error = NULL;
1101 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1102 &ld_error);
1103 DEBUG(ldap_state->num_failures ? 2 : 0,
1104 ("failed to bind to server %s with dn=\"%s\" Error: %s\n\t%s\n",
1105 ldap_state->uri,
1106 ldap_state->bind_dn ? ldap_state->bind_dn : "[Anonymous bind]",
1107 ldap_err2string(rc),
1108 ld_error ? ld_error : "(unknown)"));
1109 SAFE_FREE(ld_error);
1110 ldap_state->num_failures++;
1111 return rc;
1112 }
1113
1114 ldap_state->num_failures = 0;
1115 ldap_state->paged_results = False;
1116
1117 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version);
1118
1119 if (smbldap_has_control(ldap_state->ldap_struct, ADS_PAGE_CTL_OID) && version == 3) {
1120 ldap_state->paged_results = True;
1121 }
1122
1123 DEBUG(3, ("ldap_connect_system: successful connection to the LDAP server\n"));
1124 DEBUGADD(10, ("ldap_connect_system: LDAP server %s support paged results\n",
1125 ldap_state->paged_results ? "does" : "does not"));
1126 return rc;
1127}
1128
1129static void smbldap_idle_fn(struct event_context *event_ctx,
1130 struct timed_event *te,
1131 struct timeval now,
1132 void *private_data);
1133
1134/**********************************************************************
1135 Connect to LDAP server (called before every ldap operation)
1136*********************************************************************/
1137static int smbldap_open(struct smbldap_state *ldap_state)
1138{
1139 int rc, opt_rc;
1140 bool reopen = False;
1141 SMB_ASSERT(ldap_state);
1142
1143 if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + SMBLDAP_DONT_PING_TIME) < time(NULL))) {
1144
1145#ifdef HAVE_UNIXSOCKET
1146 struct sockaddr_un addr;
1147#else
1148 struct sockaddr addr;
1149#endif
1150 socklen_t len = sizeof(addr);
1151 int sd;
1152
1153 opt_rc = ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_DESC, &sd);
1154 if (opt_rc == 0 && (getpeername(sd, (struct sockaddr *) &addr, &len)) < 0 )
1155 reopen = True;
1156
1157#ifdef HAVE_UNIXSOCKET
1158 if (opt_rc == 0 && addr.sun_family == AF_UNIX)
1159 reopen = True;
1160#endif
1161 if (reopen) {
1162 /* the other end has died. reopen. */
1163 ldap_unbind(ldap_state->ldap_struct);
1164 ldap_state->ldap_struct = NULL;
1165 ldap_state->last_ping = (time_t)0;
1166 } else {
1167 ldap_state->last_ping = time(NULL);
1168 }
1169 }
1170
1171 if (ldap_state->ldap_struct != NULL) {
1172 DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
1173 return LDAP_SUCCESS;
1174 }
1175
1176 if ((rc = smbldap_open_connection(ldap_state))) {
1177 return rc;
1178 }
1179
1180 if ((rc = smbldap_connect_system(ldap_state, ldap_state->ldap_struct))) {
1181 ldap_unbind(ldap_state->ldap_struct);
1182 ldap_state->ldap_struct = NULL;
1183 return rc;
1184 }
1185
1186
1187 ldap_state->last_ping = time(NULL);
1188 ldap_state->pid = sys_getpid();
1189
1190 TALLOC_FREE(ldap_state->idle_event);
1191
1192 if (ldap_state->event_context != NULL) {
1193 ldap_state->idle_event = event_add_timed(
1194 ldap_state->event_context, NULL,
1195 timeval_current_ofs(SMBLDAP_IDLE_TIME, 0),
1196 smbldap_idle_fn, ldap_state);
1197 }
1198
1199 DEBUG(4,("The LDAP server is successfully connected\n"));
1200
1201 return LDAP_SUCCESS;
1202}
1203
1204/**********************************************************************
1205Disconnect from LDAP server
1206*********************************************************************/
1207static NTSTATUS smbldap_close(struct smbldap_state *ldap_state)
1208{
1209 if (!ldap_state)
1210 return NT_STATUS_INVALID_PARAMETER;
1211
1212 if (ldap_state->ldap_struct != NULL) {
1213 ldap_unbind(ldap_state->ldap_struct);
1214 ldap_state->ldap_struct = NULL;
1215 }
1216
1217 smbldap_delete_state(ldap_state);
1218
1219 DEBUG(5,("The connection to the LDAP server was closed\n"));
1220 /* maybe free the results here --metze */
1221
1222 return NT_STATUS_OK;
1223}
1224
1225static bool got_alarm;
1226
1227static void (*old_handler)(int);
1228
1229static void gotalarm_sig(int dummy)
1230{
1231 got_alarm = True;
1232}
1233
1234static int another_ldap_try(struct smbldap_state *ldap_state, int *rc,
1235 int *attempts, time_t endtime)
1236{
1237 time_t now = time(NULL);
1238 int open_rc = LDAP_SERVER_DOWN;
1239
1240 if (*rc != LDAP_SERVER_DOWN)
1241 goto no_next;
1242
1243 if (now >= endtime) {
1244 smbldap_close(ldap_state);
1245 *rc = LDAP_TIMEOUT;
1246 goto no_next;
1247 }
1248
1249 if (*attempts == 0) {
1250 got_alarm = False;
1251 old_handler = CatchSignal(SIGALRM, gotalarm_sig);
1252 alarm(endtime - now);
1253
1254 if (ldap_state->pid != sys_getpid())
1255 smbldap_close(ldap_state);
1256 }
1257
1258 while (1) {
1259
1260 if (*attempts != 0)
1261 smb_msleep(1000);
1262
1263 *attempts += 1;
1264
1265 open_rc = smbldap_open(ldap_state);
1266
1267 if (open_rc == LDAP_SUCCESS) {
1268 ldap_state->last_use = now;
1269 return True;
1270 }
1271
1272 if (open_rc == LDAP_INSUFFICIENT_ACCESS) {
1273 /* The fact that we are non-root or any other
1274 * access-denied condition will not change in the next
1275 * round of trying */
1276 *rc = open_rc;
1277 break;
1278 }
1279
1280 if (got_alarm) {
1281 *rc = LDAP_TIMEOUT;
1282 break;
1283 }
1284
1285 if (open_rc != LDAP_SUCCESS) {
1286 DEBUG(1, ("Connection to LDAP server failed for the "
1287 "%d try!\n", *attempts));
1288 }
1289 }
1290
1291 no_next:
1292 CatchSignal(SIGALRM, old_handler);
1293 alarm(0);
1294 ldap_state->last_use = now;
1295 return False;
1296}
1297
1298/*********************************************************************
1299 ********************************************************************/
1300
1301static int smbldap_search_ext(struct smbldap_state *ldap_state,
1302 const char *base, int scope, const char *filter,
1303 const char *attrs[], int attrsonly,
1304 LDAPControl **sctrls, LDAPControl **cctrls,
1305 int sizelimit, LDAPMessage **res)
1306{
1307 int rc = LDAP_SERVER_DOWN;
1308 int attempts = 0;
1309 char *utf8_filter;
1310 time_t endtime = time(NULL)+lp_ldap_timeout();
1311 struct timeval timeout;
1312 size_t converted_size;
1313
1314 SMB_ASSERT(ldap_state);
1315
1316 DEBUG(5,("smbldap_search_ext: base => [%s], filter => [%s], "
1317 "scope => [%d]\n", base, filter, scope));
1318
1319 if (ldap_state->last_rebind.tv_sec > 0) {
1320 struct timeval tval;
1321 SMB_BIG_INT tdiff = 0;
1322 int sleep_time = 0;
1323
1324 ZERO_STRUCT(tval);
1325 GetTimeOfDay(&tval);
1326
1327 tdiff = usec_time_diff(&tval, &ldap_state->last_rebind);
1328 tdiff /= 1000; /* Convert to milliseconds. */
1329
1330 sleep_time = lp_ldap_replication_sleep()-(int)tdiff;
1331 sleep_time = MIN(sleep_time, MAX_LDAP_REPLICATION_SLEEP_TIME);
1332
1333 if (sleep_time > 0) {
1334 /* we wait for the LDAP replication */
1335 DEBUG(5,("smbldap_search_ext: waiting %d milliseconds "
1336 "for LDAP replication.\n",sleep_time));
1337 smb_msleep(sleep_time);
1338 DEBUG(5,("smbldap_search_ext: go on!\n"));
1339 }
1340 ZERO_STRUCT(ldap_state->last_rebind);
1341 }
1342
1343 if (!push_utf8_allocate(&utf8_filter, filter, &converted_size)) {
1344 return LDAP_NO_MEMORY;
1345 }
1346
1347 /* Setup timeout for the ldap_search_ext_s call - local and remote. */
1348 timeout.tv_sec = lp_ldap_timeout();
1349 timeout.tv_usec = 0;
1350
1351 /* Setup alarm timeout.... Do we need both of these ? JRA.
1352 * Yes, I think we do need both of these. The server timeout only
1353 * covers the case where the server's operation takes too long. It
1354 * does not cover the case where the request hangs on its way to the
1355 * server. The server side timeout is not strictly necessary, it's
1356 * just a bit more kind to the server. VL. */
1357
1358 got_alarm = 0;
1359 CatchSignal(SIGALRM, SIGNAL_CAST gotalarm_sig);
1360 alarm(lp_ldap_timeout());
1361 /* End setup timeout. */
1362
1363 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1364 rc = ldap_search_ext_s(ldap_state->ldap_struct, base, scope,
1365 utf8_filter,
1366 CONST_DISCARD(char **, attrs),
1367 attrsonly, sctrls, cctrls, &timeout,
1368 sizelimit, res);
1369 if (rc != LDAP_SUCCESS) {
1370 char *ld_error = NULL;
1371 int ld_errno;
1372
1373 ldap_get_option(ldap_state->ldap_struct,
1374 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1375
1376 ldap_get_option(ldap_state->ldap_struct,
1377 LDAP_OPT_ERROR_STRING, &ld_error);
1378 DEBUG(10, ("Failed search for base: %s, error: %d (%s) "
1379 "(%s)\n", base, ld_errno,
1380 ldap_err2string(rc),
1381 ld_error ? ld_error : "unknown"));
1382 SAFE_FREE(ld_error);
1383
1384 if (ld_errno == LDAP_SERVER_DOWN) {
1385 ldap_unbind(ldap_state->ldap_struct);
1386 ldap_state->ldap_struct = NULL;
1387 }
1388 }
1389 }
1390
1391 SAFE_FREE(utf8_filter);
1392
1393 /* Teardown timeout. */
1394 CatchSignal(SIGALRM, SIGNAL_CAST SIG_IGN);
1395 alarm(0);
1396
1397 if (got_alarm != 0)
1398 return LDAP_TIMELIMIT_EXCEEDED;
1399
1400 return rc;
1401}
1402
1403int smbldap_search(struct smbldap_state *ldap_state,
1404 const char *base, int scope, const char *filter,
1405 const char *attrs[], int attrsonly,
1406 LDAPMessage **res)
1407{
1408 return smbldap_search_ext(ldap_state, base, scope, filter, attrs,
1409 attrsonly, NULL, NULL, LDAP_NO_LIMIT, res);
1410}
1411
1412int smbldap_search_paged(struct smbldap_state *ldap_state,
1413 const char *base, int scope, const char *filter,
1414 const char **attrs, int attrsonly, int pagesize,
1415 LDAPMessage **res, void **cookie)
1416{
1417 LDAPControl pr;
1418 LDAPControl **rcontrols;
1419 LDAPControl *controls[2] = { NULL, NULL};
1420 BerElement *cookie_be = NULL;
1421 struct berval *cookie_bv = NULL;
1422 int tmp = 0, i, rc;
1423 bool critical = True;
1424
1425 *res = NULL;
1426
1427 DEBUG(3,("smbldap_search_paged: base => [%s], filter => [%s],"
1428 "scope => [%d], pagesize => [%d]\n",
1429 base, filter, scope, pagesize));
1430
1431 cookie_be = ber_alloc_t(LBER_USE_DER);
1432 if (cookie_be == NULL) {
1433 DEBUG(0,("smbldap_create_page_control: ber_alloc_t returns "
1434 "NULL\n"));
1435 return LDAP_NO_MEMORY;
1436 }
1437
1438 /* construct cookie */
1439 if (*cookie != NULL) {
1440 ber_printf(cookie_be, "{iO}", (ber_int_t) pagesize, *cookie);
1441 ber_bvfree((struct berval *)*cookie); /* don't need it from last time */
1442 *cookie = NULL;
1443 } else {
1444 ber_printf(cookie_be, "{io}", (ber_int_t) pagesize, "", 0);
1445 }
1446 ber_flatten(cookie_be, &cookie_bv);
1447
1448 pr.ldctl_oid = CONST_DISCARD(char *, ADS_PAGE_CTL_OID);
1449 pr.ldctl_iscritical = (char) critical;
1450 pr.ldctl_value.bv_len = cookie_bv->bv_len;
1451 pr.ldctl_value.bv_val = cookie_bv->bv_val;
1452
1453 controls[0] = &pr;
1454 controls[1] = NULL;
1455
1456 rc = smbldap_search_ext(ldap_state, base, scope, filter, attrs,
1457 0, controls, NULL, LDAP_NO_LIMIT, res);
1458
1459 ber_free(cookie_be, 1);
1460 ber_bvfree(cookie_bv);
1461
1462 if (rc != 0) {
1463 DEBUG(3,("smbldap_search_paged: smbldap_search_ext(%s) "
1464 "failed with [%s]\n", filter, ldap_err2string(rc)));
1465 goto done;
1466 }
1467
1468 DEBUG(3,("smbldap_search_paged: search was successfull\n"));
1469
1470 rc = ldap_parse_result(ldap_state->ldap_struct, *res, NULL, NULL,
1471 NULL, NULL, &rcontrols, 0);
1472 if (rc != 0) {
1473 DEBUG(3,("smbldap_search_paged: ldap_parse_result failed " \
1474 "with [%s]\n", ldap_err2string(rc)));
1475 goto done;
1476 }
1477
1478 if (rcontrols == NULL)
1479 goto done;
1480
1481 for (i=0; rcontrols[i]; i++) {
1482
1483 if (strcmp(ADS_PAGE_CTL_OID, rcontrols[i]->ldctl_oid) != 0)
1484 continue;
1485
1486 cookie_be = ber_init(&rcontrols[i]->ldctl_value);
1487 ber_scanf(cookie_be,"{iO}", &tmp, &cookie_bv);
1488 /* the berval is the cookie, but must be freed when it is all
1489 done */
1490 if (cookie_bv->bv_len)
1491 *cookie=ber_bvdup(cookie_bv);
1492 else
1493 *cookie=NULL;
1494 ber_bvfree(cookie_bv);
1495 ber_free(cookie_be, 1);
1496 break;
1497 }
1498 ldap_controls_free(rcontrols);
1499done:
1500 return rc;
1501}
1502
1503int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
1504{
1505 int rc = LDAP_SERVER_DOWN;
1506 int attempts = 0;
1507 char *utf8_dn;
1508 time_t endtime = time(NULL)+lp_ldap_timeout();
1509 size_t converted_size;
1510
1511 SMB_ASSERT(ldap_state);
1512
1513 DEBUG(5,("smbldap_modify: dn => [%s]\n", dn ));
1514
1515 if (!push_utf8_allocate(&utf8_dn, dn, &converted_size)) {
1516 return LDAP_NO_MEMORY;
1517 }
1518
1519 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1520 rc = ldap_modify_s(ldap_state->ldap_struct, utf8_dn, attrs);
1521 if (rc != LDAP_SUCCESS) {
1522 char *ld_error = NULL;
1523 int ld_errno;
1524
1525 ldap_get_option(ldap_state->ldap_struct,
1526 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1527
1528 ldap_get_option(ldap_state->ldap_struct,
1529 LDAP_OPT_ERROR_STRING, &ld_error);
1530 DEBUG(10, ("Failed to modify dn: %s, error: %d (%s) "
1531 "(%s)\n", dn, ld_errno,
1532 ldap_err2string(rc),
1533 ld_error ? ld_error : "unknown"));
1534 SAFE_FREE(ld_error);
1535
1536 if (ld_errno == LDAP_SERVER_DOWN) {
1537 ldap_unbind(ldap_state->ldap_struct);
1538 ldap_state->ldap_struct = NULL;
1539 }
1540 }
1541 }
1542
1543 SAFE_FREE(utf8_dn);
1544 return rc;
1545}
1546
1547int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
1548{
1549 int rc = LDAP_SERVER_DOWN;
1550 int attempts = 0;
1551 char *utf8_dn;
1552 time_t endtime = time(NULL)+lp_ldap_timeout();
1553 size_t converted_size;
1554
1555 SMB_ASSERT(ldap_state);
1556
1557 DEBUG(5,("smbldap_add: dn => [%s]\n", dn ));
1558
1559 if (!push_utf8_allocate(&utf8_dn, dn, &converted_size)) {
1560 return LDAP_NO_MEMORY;
1561 }
1562
1563 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1564 rc = ldap_add_s(ldap_state->ldap_struct, utf8_dn, attrs);
1565 if (rc != LDAP_SUCCESS) {
1566 char *ld_error = NULL;
1567 int ld_errno;
1568
1569 ldap_get_option(ldap_state->ldap_struct,
1570 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1571
1572 ldap_get_option(ldap_state->ldap_struct,
1573 LDAP_OPT_ERROR_STRING, &ld_error);
1574 DEBUG(10, ("Failed to add dn: %s, error: %d (%s) "
1575 "(%s)\n", dn, ld_errno,
1576 ldap_err2string(rc),
1577 ld_error ? ld_error : "unknown"));
1578 SAFE_FREE(ld_error);
1579
1580 if (ld_errno == LDAP_SERVER_DOWN) {
1581 ldap_unbind(ldap_state->ldap_struct);
1582 ldap_state->ldap_struct = NULL;
1583 }
1584 }
1585 }
1586
1587 SAFE_FREE(utf8_dn);
1588 return rc;
1589}
1590
1591int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
1592{
1593 int rc = LDAP_SERVER_DOWN;
1594 int attempts = 0;
1595 char *utf8_dn;
1596 time_t endtime = time(NULL)+lp_ldap_timeout();
1597 size_t converted_size;
1598
1599 SMB_ASSERT(ldap_state);
1600
1601 DEBUG(5,("smbldap_delete: dn => [%s]\n", dn ));
1602
1603 if (!push_utf8_allocate(&utf8_dn, dn, &converted_size)) {
1604 return LDAP_NO_MEMORY;
1605 }
1606
1607 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1608 rc = ldap_delete_s(ldap_state->ldap_struct, utf8_dn);
1609 if (rc != LDAP_SUCCESS) {
1610 char *ld_error = NULL;
1611 int ld_errno;
1612
1613 ldap_get_option(ldap_state->ldap_struct,
1614 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1615
1616 ldap_get_option(ldap_state->ldap_struct,
1617 LDAP_OPT_ERROR_STRING, &ld_error);
1618 DEBUG(10, ("Failed to delete dn: %s, error: %d (%s) "
1619 "(%s)\n", dn, ld_errno,
1620 ldap_err2string(rc),
1621 ld_error ? ld_error : "unknown"));
1622 SAFE_FREE(ld_error);
1623
1624 if (ld_errno == LDAP_SERVER_DOWN) {
1625 ldap_unbind(ldap_state->ldap_struct);
1626 ldap_state->ldap_struct = NULL;
1627 }
1628 }
1629 }
1630
1631 SAFE_FREE(utf8_dn);
1632 return rc;
1633}
1634
1635int smbldap_extended_operation(struct smbldap_state *ldap_state,
1636 LDAP_CONST char *reqoid, struct berval *reqdata,
1637 LDAPControl **serverctrls, LDAPControl **clientctrls,
1638 char **retoidp, struct berval **retdatap)
1639{
1640 int rc = LDAP_SERVER_DOWN;
1641 int attempts = 0;
1642 time_t endtime = time(NULL)+lp_ldap_timeout();
1643
1644 if (!ldap_state)
1645 return (-1);
1646
1647 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1648 rc = ldap_extended_operation_s(ldap_state->ldap_struct, reqoid,
1649 reqdata, serverctrls,
1650 clientctrls, retoidp, retdatap);
1651 if (rc != LDAP_SUCCESS) {
1652 char *ld_error = NULL;
1653 int ld_errno;
1654
1655 ldap_get_option(ldap_state->ldap_struct,
1656 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1657
1658 ldap_get_option(ldap_state->ldap_struct,
1659 LDAP_OPT_ERROR_STRING, &ld_error);
1660 DEBUG(10, ("Extended operation failed with error: "
1661 "%d (%s) (%s)\n", ld_errno,
1662 ldap_err2string(rc),
1663 ld_error ? ld_error : "unknown"));
1664 SAFE_FREE(ld_error);
1665
1666 if (ld_errno == LDAP_SERVER_DOWN) {
1667 ldap_unbind(ldap_state->ldap_struct);
1668 ldap_state->ldap_struct = NULL;
1669 }
1670 }
1671 }
1672
1673 return rc;
1674}
1675
1676/*******************************************************************
1677 run the search by name.
1678******************************************************************/
1679int smbldap_search_suffix (struct smbldap_state *ldap_state,
1680 const char *filter, const char **search_attr,
1681 LDAPMessage ** result)
1682{
1683 return smbldap_search(ldap_state, lp_ldap_suffix(), LDAP_SCOPE_SUBTREE,
1684 filter, search_attr, 0, result);
1685}
1686
1687static void smbldap_idle_fn(struct event_context *event_ctx,
1688 struct timed_event *te,
1689 struct timeval now,
1690 void *private_data)
1691{
1692 struct smbldap_state *state = (struct smbldap_state *)private_data;
1693
1694 TALLOC_FREE(state->idle_event);
1695
1696 if (state->ldap_struct == NULL) {
1697 DEBUG(10,("ldap connection not connected...\n"));
1698 return;
1699 }
1700
1701 if ((state->last_use+SMBLDAP_IDLE_TIME) > now.tv_sec) {
1702 DEBUG(10,("ldap connection not idle...\n"));
1703
1704 state->idle_event = event_add_timed(
1705 event_ctx, NULL,
1706 timeval_add(&now, SMBLDAP_IDLE_TIME, 0),
1707 smbldap_idle_fn,
1708 private_data);
1709 return;
1710 }
1711
1712 DEBUG(7,("ldap connection idle...closing connection\n"));
1713 smbldap_close(state);
1714}
1715
1716/**********************************************************************
1717 Housekeeping
1718 *********************************************************************/
1719
1720void smbldap_free_struct(struct smbldap_state **ldap_state)
1721{
1722 smbldap_close(*ldap_state);
1723
1724 if ((*ldap_state)->bind_secret) {
1725 memset((*ldap_state)->bind_secret, '\0', strlen((*ldap_state)->bind_secret));
1726 }
1727
1728 SAFE_FREE((*ldap_state)->bind_dn);
1729 SAFE_FREE((*ldap_state)->bind_secret);
1730
1731 TALLOC_FREE((*ldap_state)->idle_event);
1732
1733 *ldap_state = NULL;
1734
1735 /* No need to free any further, as it is talloc()ed */
1736}
1737
1738
1739/**********************************************************************
1740 Intitalise the 'general' ldap structures, on which ldap operations may be conducted
1741 *********************************************************************/
1742
1743NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx, struct event_context *event_ctx,
1744 const char *location,
1745 struct smbldap_state **smbldap_state)
1746{
1747 *smbldap_state = TALLOC_ZERO_P(mem_ctx, struct smbldap_state);
1748 if (!*smbldap_state) {
1749 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1750 return NT_STATUS_NO_MEMORY;
1751 }
1752
1753 if (location) {
1754 (*smbldap_state)->uri = talloc_strdup(mem_ctx, location);
1755 } else {
1756 (*smbldap_state)->uri = "ldap://localhost";
1757 }
1758
1759 (*smbldap_state)->event_context = event_ctx;
1760
1761 return NT_STATUS_OK;
1762}
1763
1764/*******************************************************************
1765 Return a copy of the DN for a LDAPMessage. Convert from utf8 to CH_UNIX.
1766********************************************************************/
1767char *smbldap_get_dn(LDAP *ld, LDAPMessage *entry)
1768{
1769 char *utf8_dn, *unix_dn;
1770 size_t converted_size;
1771
1772 utf8_dn = ldap_get_dn(ld, entry);
1773 if (!utf8_dn) {
1774 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1775 return NULL;
1776 }
1777 if (!pull_utf8_allocate(&unix_dn, utf8_dn, &converted_size)) {
1778 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 "
1779 "[%s]\n", utf8_dn));
1780 return NULL;
1781 }
1782 ldap_memfree(utf8_dn);
1783 return unix_dn;
1784}
1785
1786 const char *smbldap_talloc_dn(TALLOC_CTX *mem_ctx, LDAP *ld,
1787 LDAPMessage *entry)
1788{
1789 char *utf8_dn, *unix_dn;
1790 size_t converted_size;
1791
1792 utf8_dn = ldap_get_dn(ld, entry);
1793 if (!utf8_dn) {
1794 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1795 return NULL;
1796 }
1797 if (!pull_utf8_talloc(mem_ctx, &unix_dn, utf8_dn, &converted_size)) {
1798 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 "
1799 "[%s]\n", utf8_dn));
1800 return NULL;
1801 }
1802 ldap_memfree(utf8_dn);
1803 return unix_dn;
1804}
1805
1806/*******************************************************************
1807 Check if root-dse has a certain Control or Extension
1808********************************************************************/
1809
1810static bool smbldap_check_root_dse(LDAP *ld, const char **attrs, const char *value)
1811{
1812 LDAPMessage *msg = NULL;
1813 LDAPMessage *entry = NULL;
1814 char **values = NULL;
1815 int rc, num_result, num_values, i;
1816 bool result = False;
1817
1818 if (!attrs[0]) {
1819 DEBUG(3,("smbldap_check_root_dse: nothing to look for\n"));
1820 return False;
1821 }
1822
1823 if (!strequal(attrs[0], "supportedExtension") &&
1824 !strequal(attrs[0], "supportedControl") &&
1825 !strequal(attrs[0], "namingContexts")) {
1826 DEBUG(3,("smbldap_check_root_dse: no idea what to query root-dse for: %s ?\n", attrs[0]));
1827 return False;
1828 }
1829
1830 rc = ldap_search_s(ld, "", LDAP_SCOPE_BASE,
1831 "(objectclass=*)", CONST_DISCARD(char **, attrs), 0 , &msg);
1832
1833 if (rc != LDAP_SUCCESS) {
1834 DEBUG(3,("smbldap_check_root_dse: Could not search rootDSE\n"));
1835 return False;
1836 }
1837
1838 num_result = ldap_count_entries(ld, msg);
1839
1840 if (num_result != 1) {
1841 DEBUG(3,("smbldap_check_root_dse: Expected one rootDSE, got %d\n", num_result));
1842 goto done;
1843 }
1844
1845 entry = ldap_first_entry(ld, msg);
1846
1847 if (entry == NULL) {
1848 DEBUG(3,("smbldap_check_root_dse: Could not retrieve rootDSE\n"));
1849 goto done;
1850 }
1851
1852 values = ldap_get_values(ld, entry, attrs[0]);
1853
1854 if (values == NULL) {
1855 DEBUG(5,("smbldap_check_root_dse: LDAP Server does not support any %s\n", attrs[0]));
1856 goto done;
1857 }
1858
1859 num_values = ldap_count_values(values);
1860
1861 if (num_values == 0) {
1862 DEBUG(5,("smbldap_check_root_dse: LDAP Server does not have any %s\n", attrs[0]));
1863 goto done;
1864 }
1865
1866 for (i=0; i<num_values; i++) {
1867 if (strcmp(values[i], value) == 0)
1868 result = True;
1869 }
1870
1871
1872 done:
1873 if (values != NULL)
1874 ldap_value_free(values);
1875 if (msg != NULL)
1876 ldap_msgfree(msg);
1877
1878 return result;
1879
1880}
1881
1882/*******************************************************************
1883 Check if LDAP-Server supports a certain Control (OID in string format)
1884********************************************************************/
1885
1886bool smbldap_has_control(LDAP *ld, const char *control)
1887{
1888 const char *attrs[] = { "supportedControl", NULL };
1889 return smbldap_check_root_dse(ld, attrs, control);
1890}
1891
1892/*******************************************************************
1893 Check if LDAP-Server supports a certain Extension (OID in string format)
1894********************************************************************/
1895
1896bool smbldap_has_extension(LDAP *ld, const char *extension)
1897{
1898 const char *attrs[] = { "supportedExtension", NULL };
1899 return smbldap_check_root_dse(ld, attrs, extension);
1900}
1901
1902/*******************************************************************
1903 Check if LDAP-Server holds a given namingContext
1904********************************************************************/
1905
1906bool smbldap_has_naming_context(LDAP *ld, const char *naming_context)
1907{
1908 const char *attrs[] = { "namingContexts", NULL };
1909 return smbldap_check_root_dse(ld, attrs, naming_context);
1910}
1911
1912bool smbldap_set_creds(struct smbldap_state *ldap_state, bool anon, const char *dn, const char *secret)
1913{
1914 ldap_state->anonymous = anon;
1915
1916 /* free any previously set credential */
1917
1918 SAFE_FREE(ldap_state->bind_dn);
1919 if (ldap_state->bind_secret) {
1920 /* make sure secrets are zeroed out of memory */
1921 memset(ldap_state->bind_secret, '\0', strlen(ldap_state->bind_secret));
1922 SAFE_FREE(ldap_state->bind_secret);
1923 }
1924
1925 if ( ! anon) {
1926 ldap_state->bind_dn = SMB_STRDUP(dn);
1927 ldap_state->bind_secret = SMB_STRDUP(secret);
1928 }
1929
1930 return True;
1931}
Note: See TracBrowser for help on using the repository browser.