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
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 2 of the License, or
13 (at your option) any later version.
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.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 #ifndef LDAP_OPT_SUCCESS
30 #define LDAP_OPT_SUCCESS 0
33 /* Try not to hit the up or down server forever */
35 #define SMBLDAP_DONT_PING_TIME 10 /* ping only all 10 seconds */
36 #define SMBLDAP_NUM_RETRIES 8 /* retry only 8 times */
38 #define SMBLDAP_IDLE_TIME 150 /* After 2.5 minutes disconnect */
41 /* attributes used by Samba 2.2 */
43 ATTRIB_MAP_ENTRY attrib_map_v22[] = {
44 { LDAP_ATTR_UID, "uid" },
45 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
46 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
47 { LDAP_ATTR_UNIX_HOME, "homeDirectory" },
48 { LDAP_ATTR_PWD_LAST_SET, "pwdLastSet" },
49 { LDAP_ATTR_PWD_CAN_CHANGE, "pwdCanChange" },
50 { LDAP_ATTR_PWD_MUST_CHANGE, "pwdMustChange" },
51 { LDAP_ATTR_LOGON_TIME, "logonTime" },
52 { LDAP_ATTR_LOGOFF_TIME, "logoffTime" },
53 { LDAP_ATTR_KICKOFF_TIME, "kickoffTime" },
54 { LDAP_ATTR_CN, "cn" },
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 }
73 ATTRIB_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 }
95 /* attributes used by Samba 3.0's sambaSamAccount */
97 ATTRIB_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_DISPLAY_NAME, "displayName" },
110 { LDAP_ATTR_HOME_DRIVE, "sambaHomeDrive" },
111 { LDAP_ATTR_HOME_PATH, "sambaHomePath" },
112 { LDAP_ATTR_LOGON_SCRIPT, "sambaLogonScript" },
113 { LDAP_ATTR_PROFILE_PATH, "sambaProfilePath" },
114 { LDAP_ATTR_DESC, "description" },
115 { LDAP_ATTR_USER_WKS, "sambaUserWorkstations" },
116 { LDAP_ATTR_USER_SID, LDAP_ATTRIBUTE_SID },
117 { LDAP_ATTR_PRIMARY_GROUP_SID, "sambaPrimaryGroupSID" },
118 { LDAP_ATTR_LMPW, "sambaLMPassword" },
119 { LDAP_ATTR_NTPW, "sambaNTPassword" },
120 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
121 { LDAP_ATTR_OBJCLASS, "objectClass" },
122 { LDAP_ATTR_ACB_INFO, "sambaAcctFlags" },
123 { LDAP_ATTR_MUNGED_DIAL, "sambaMungedDial" },
124 { LDAP_ATTR_BAD_PASSWORD_COUNT, "sambaBadPasswordCount" },
125 { LDAP_ATTR_BAD_PASSWORD_TIME, "sambaBadPasswordTime" },
126 { LDAP_ATTR_PWD_HISTORY, "sambaPasswordHistory" },
127 { LDAP_ATTR_MOD_TIMESTAMP, "modifyTimestamp" },
128 { LDAP_ATTR_LOGON_HOURS, "sambaLogonHours" },
129 { LDAP_ATTR_LIST_END, NULL }
132 ATTRIB_MAP_ENTRY attrib_map_to_delete_v30[] = {
133 { LDAP_ATTR_PWD_LAST_SET, "sambaPwdLastSet" },
134 { LDAP_ATTR_PWD_CAN_CHANGE, "sambaPwdCanChange" },
135 { LDAP_ATTR_PWD_MUST_CHANGE, "sambaPwdMustChange" },
136 { LDAP_ATTR_LOGON_TIME, "sambaLogonTime" },
137 { LDAP_ATTR_LOGOFF_TIME, "sambaLogoffTime" },
138 { LDAP_ATTR_KICKOFF_TIME, "sambaKickoffTime" },
139 { LDAP_ATTR_HOME_DRIVE, "sambaHomeDrive" },
140 { LDAP_ATTR_HOME_PATH, "sambaHomePath" },
141 { LDAP_ATTR_LOGON_SCRIPT, "sambaLogonScript" },
142 { LDAP_ATTR_PROFILE_PATH, "sambaProfilePath" },
143 { LDAP_ATTR_USER_WKS, "sambaUserWorkstations" },
144 { LDAP_ATTR_USER_SID, LDAP_ATTRIBUTE_SID },
145 { LDAP_ATTR_PRIMARY_GROUP_SID, "sambaPrimaryGroupSID" },
146 { LDAP_ATTR_LMPW, "sambaLMPassword" },
147 { LDAP_ATTR_NTPW, "sambaNTPassword" },
148 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
149 { LDAP_ATTR_ACB_INFO, "sambaAcctFlags" },
150 { LDAP_ATTR_MUNGED_DIAL, "sambaMungedDial" },
151 { LDAP_ATTR_BAD_PASSWORD_COUNT, "sambaBadPasswordCount" },
152 { LDAP_ATTR_BAD_PASSWORD_TIME, "sambaBadPasswordTime" },
153 { LDAP_ATTR_PWD_HISTORY, "sambaPasswordHistory" },
154 { LDAP_ATTR_LOGON_HOURS, "sambaLogonHours" },
155 { LDAP_ATTR_LIST_END, NULL }
158 /* attributes used for allocating RIDs */
160 ATTRIB_MAP_ENTRY dominfo_attr_list[] = {
161 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
162 { LDAP_ATTR_NEXT_RID, "sambaNextRid" },
163 { LDAP_ATTR_NEXT_USERRID, "sambaNextUserRid" },
164 { LDAP_ATTR_NEXT_GROUPRID, "sambaNextGroupRid" },
165 { LDAP_ATTR_DOM_SID, LDAP_ATTRIBUTE_SID },
166 { LDAP_ATTR_ALGORITHMIC_RID_BASE,"sambaAlgorithmicRidBase"},
167 { LDAP_ATTR_OBJCLASS, "objectClass" },
168 { LDAP_ATTR_LIST_END, NULL },
171 /* Samba 3.0 group mapping attributes */
173 ATTRIB_MAP_ENTRY groupmap_attr_list[] = {
174 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
175 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
176 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
177 { LDAP_ATTR_SID_LIST, "sambaSIDList" },
178 { LDAP_ATTR_DESC, "description" },
179 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
180 { LDAP_ATTR_CN, "cn" },
181 { LDAP_ATTR_OBJCLASS, "objectClass" },
182 { LDAP_ATTR_LIST_END, NULL }
185 ATTRIB_MAP_ENTRY groupmap_attr_list_to_delete[] = {
186 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
187 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
188 { LDAP_ATTR_DESC, "description" },
189 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
190 { LDAP_ATTR_SID_LIST, "sambaSIDList" },
191 { LDAP_ATTR_LIST_END, NULL }
194 /* idmap_ldap sambaUnixIdPool */
196 ATTRIB_MAP_ENTRY idpool_attr_list[] = {
197 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
198 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
199 { LDAP_ATTR_OBJCLASS, "objectClass" },
200 { LDAP_ATTR_LIST_END, NULL }
203 ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
204 { LDAP_ATTR_SID, LDAP_ATTRIBUTE_SID },
205 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
206 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
207 { LDAP_ATTR_OBJCLASS, "objectClass" },
208 { LDAP_ATTR_LIST_END, NULL }
211 /**********************************************************************
212 perform a simple table lookup and return the attribute name
213 **********************************************************************/
215 const char* get_attr_key2string( ATTRIB_MAP_ENTRY table[], int key )
219 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
220 if ( table[i].attrib == key )
221 return table[i].name;
229 /**********************************************************************
230 Return the list of attribute names from a mapping table
231 **********************************************************************/
233 const char** get_attr_list( ATTRIB_MAP_ENTRY table[] )
238 while ( table[i].attrib != LDAP_ATTR_LIST_END )
242 names = SMB_MALLOC_ARRAY( const char*, i );
244 DEBUG(0,("get_attr_list: out of memory\n"));
249 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
250 names[i] = SMB_STRDUP( table[i].name );
258 /*********************************************************************
260 ********************************************************************/
262 void free_attr_list( const char **list )
270 /* SAFE_FREE generates a warning here that can't be gotten rid
271 * of with CONST_DISCARD */
272 if (list[i] != NULL) {
273 free(CONST_DISCARD(char *, list[i]));
281 /*******************************************************************
282 Search an attribute and return the first value found.
283 ******************************************************************/
285 BOOL smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
286 const char *attribute, char *value,
296 if ((values = ldap_get_values (ldap_struct, entry, attribute)) == NULL) {
297 DEBUG (10, ("smbldap_get_single_attribute: [%s] = [<does not exist>]\n", attribute));
302 if (convert_string(CH_UTF8, CH_UNIX,values[0], -1, value, max_len, False) == (size_t)-1) {
303 DEBUG(1, ("smbldap_get_single_attribute: string conversion of [%s] = [%s] failed!\n",
304 attribute, values[0]));
305 ldap_value_free(values);
309 ldap_value_free(values);
310 #ifdef DEBUG_PASSWORDS
311 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n", attribute, value));
316 BOOL smbldap_get_single_pstring (LDAP * ldap_struct, LDAPMessage * entry,
317 const char *attribute, pstring value)
319 return smbldap_get_single_attribute(ldap_struct, entry,
324 /************************************************************************
325 Routine to manage the LDAPMod structure array
326 manage memory used by the array, by each struct, and values
327 ***********************************************************************/
329 void smbldap_set_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
337 /* sanity checks on the mod values */
339 if (attribute == NULL || *attribute == '\0') {
343 #if 0 /* commented out after discussion with abartlet. Do not reenable.
344 left here so other do not re-add similar code --jerry */
345 if (value == NULL || *value == '\0')
350 mods = SMB_MALLOC_P(LDAPMod *);
352 DEBUG(0, ("make_a_mod: out of memory!\n"));
358 for (i = 0; mods[i] != NULL; ++i) {
359 if (mods[i]->mod_op == modop && strequal(mods[i]->mod_type, attribute))
363 if (mods[i] == NULL) {
364 mods = SMB_REALLOC_ARRAY (mods, LDAPMod *, i + 2);
366 DEBUG(0, ("make_a_mod: out of memory!\n"));
369 mods[i] = SMB_MALLOC_P(LDAPMod);
370 if (mods[i] == NULL) {
371 DEBUG(0, ("make_a_mod: out of memory!\n"));
374 mods[i]->mod_op = modop;
375 mods[i]->mod_values = NULL;
376 mods[i]->mod_type = SMB_STRDUP(attribute);
381 char *utf8_value = NULL;
384 if (mods[i]->mod_values != NULL) {
385 for (; mods[i]->mod_values[j] != NULL; j++);
387 mods[i]->mod_values = SMB_REALLOC_ARRAY(mods[i]->mod_values, char *, j + 2);
389 if (mods[i]->mod_values == NULL) {
390 DEBUG (0, ("make_a_mod: Memory allocation failure!\n"));
394 if (push_utf8_allocate(&utf8_value, value) == (size_t)-1) {
395 DEBUG (0, ("make_a_mod: String conversion failure!\n"));
399 mods[i]->mod_values[j] = utf8_value;
401 mods[i]->mod_values[j + 1] = NULL;
406 /**********************************************************************
407 Set attribute to newval in LDAP, regardless of what value the
408 attribute had in LDAP before.
409 *********************************************************************/
411 void smbldap_make_mod(LDAP *ldap_struct, LDAPMessage *existing,
413 const char *attribute, const char *newval)
415 char oldval[2048]; /* current largest allowed value is mungeddial */
418 if (attribute == NULL) {
419 /* This can actually happen for ldapsam_compat where we for
420 * example don't have a password history */
424 if (existing != NULL) {
425 existed = smbldap_get_single_attribute(ldap_struct, existing, attribute, oldval, sizeof(oldval));
431 /* all of our string attributes are case insensitive */
433 if (existed && newval && (StrCaseCmp(oldval, newval) == 0)) {
435 /* Believe it or not, but LDAP will deny a delete and
436 an add at the same time if the values are the
438 DEBUG(10,("smbldap_make_mod: attribute |%s| not changed.\n", attribute));
443 /* There has been no value before, so don't delete it.
444 * Here's a possible race: We might end up with
445 * duplicate attributes */
446 /* By deleting exactly the value we found in the entry this
447 * should be race-free in the sense that the LDAP-Server will
448 * deny the complete operation if somebody changed the
449 * attribute behind our back. */
450 /* This will also allow modifying single valued attributes
451 * in Novell NDS. In NDS you have to first remove attribute and then
452 * you could add new value */
454 DEBUG(10,("smbldap_make_mod: deleting attribute |%s| values |%s|\n", attribute, oldval));
455 smbldap_set_mod(mods, LDAP_MOD_DELETE, attribute, oldval);
458 /* Regardless of the real operation (add or modify)
459 we add the new value here. We rely on deleting
460 the old value, should it exist. */
462 if ((newval != NULL) && (strlen(newval) > 0)) {
463 DEBUG(10,("smbldap_make_mod: adding attribute |%s| value |%s|\n", attribute, newval));
464 smbldap_set_mod(mods, LDAP_MOD_ADD, attribute, newval);
468 /**********************************************************************
469 Some varients of the LDAP rebind code do not pass in the third 'arg'
470 pointer to a void*, so we try and work around it by assuming that the
471 value of the 'LDAP *' pointer is the same as the one we had passed in
472 **********************************************************************/
474 struct smbldap_state_lookup {
476 struct smbldap_state *smbldap_state;
477 struct smbldap_state_lookup *prev, *next;
480 static struct smbldap_state_lookup *smbldap_state_lookup_list;
482 static struct smbldap_state *smbldap_find_state(LDAP *ld)
484 struct smbldap_state_lookup *t;
486 for (t = smbldap_state_lookup_list; t; t = t->next) {
488 return t->smbldap_state;
494 static void smbldap_delete_state(struct smbldap_state *smbldap_state)
496 struct smbldap_state_lookup *t;
498 for (t = smbldap_state_lookup_list; t; t = t->next) {
499 if (t->smbldap_state == smbldap_state) {
500 DLIST_REMOVE(smbldap_state_lookup_list, t);
507 static void smbldap_store_state(LDAP *ld, struct smbldap_state *smbldap_state)
509 struct smbldap_state *tmp_ldap_state;
510 struct smbldap_state_lookup *t;
511 struct smbldap_state_lookup *tmp;
513 if ((tmp_ldap_state = smbldap_find_state(ld))) {
514 SMB_ASSERT(tmp_ldap_state == smbldap_state);
518 t = SMB_XMALLOC_P(struct smbldap_state_lookup);
521 DLIST_ADD_END(smbldap_state_lookup_list, t, tmp);
523 t->smbldap_state = smbldap_state;
526 /*******************************************************************
527 open a connection to the ldap server.
528 ******************************************************************/
529 static int smbldap_open_connection (struct smbldap_state *ldap_state)
532 int rc = LDAP_SUCCESS;
534 BOOL ldap_v3 = False;
535 LDAP **ldap_struct = &ldap_state->ldap_struct;
537 #ifdef HAVE_LDAP_INITIALIZE
538 DEBUG(10, ("smbldap_open_connection: %s\n", ldap_state->uri));
540 if ((rc = ldap_initialize(ldap_struct, ldap_state->uri)) != LDAP_SUCCESS) {
541 DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc)));
546 /* Parse the string manually */
552 const char *p = ldap_state->uri;
553 SMB_ASSERT(sizeof(protocol)>10 && sizeof(host)>254);
555 /* skip leading "URL:" (if any) */
556 if ( strnequal( p, "URL:", 4 ) ) {
560 sscanf(p, "%10[^:]://%254[^:/]:%d", protocol, host, &port);
563 if (strequal(protocol, "ldap")) {
565 } else if (strequal(protocol, "ldaps")) {
568 DEBUG(0, ("unrecognised protocol (%s)!\n", protocol));
572 if ((*ldap_struct = ldap_init(host, port)) == NULL) {
573 DEBUG(0, ("ldap_init failed !\n"));
574 return LDAP_OPERATIONS_ERROR;
577 if (strequal(protocol, "ldaps")) {
578 #ifdef LDAP_OPT_X_TLS
579 int tls = LDAP_OPT_X_TLS_HARD;
580 if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
582 DEBUG(0, ("Failed to setup a TLS session\n"));
585 DEBUG(3,("LDAPS option set...!\n"));
587 DEBUG(0,("smbldap_open_connection: Secure connection not supported by LDAP client libraries!\n"));
588 return LDAP_OPERATIONS_ERROR;
594 /* Store the LDAP pointer in a lookup list */
596 smbldap_store_state(*ldap_struct, ldap_state);
598 /* Upgrade to LDAPv3 if possible */
600 if (ldap_get_option(*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS)
602 if (version != LDAP_VERSION3)
604 version = LDAP_VERSION3;
605 if (ldap_set_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS) {
613 if (lp_ldap_ssl() == LDAP_SSL_START_TLS) {
614 #ifdef LDAP_OPT_X_TLS
616 if ((rc = ldap_start_tls_s (*ldap_struct, NULL, NULL)) != LDAP_SUCCESS)
618 DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
619 ldap_err2string(rc)));
622 DEBUG (3, ("StartTLS issued: using a TLS connection\n"));
625 DEBUG(0, ("Need LDAPv3 for Start TLS\n"));
626 return LDAP_OPERATIONS_ERROR;
629 DEBUG(0,("smbldap_open_connection: StartTLS not supported by LDAP client libraries!\n"));
630 return LDAP_OPERATIONS_ERROR;
634 DEBUG(2, ("smbldap_open_connection: connection opened\n"));
639 /*******************************************************************
640 a rebind function for authenticated referrals
641 This version takes a void* that we can shove useful stuff in :-)
642 ******************************************************************/
643 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
645 static int rebindproc_with_state (LDAP * ld, char **whop, char **credp,
646 int *methodp, int freeit, void *arg)
648 struct smbldap_state *ldap_state = arg;
650 /** @TODO Should we be doing something to check what servers we rebind to?
651 Could we get a referral to a machine that we don't want to give our
652 username and password to? */
656 memset(*credp, '\0', strlen(*credp));
659 DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n",
660 ldap_state->bind_dn));
662 *whop = SMB_STRDUP(ldap_state->bind_dn);
664 return LDAP_NO_MEMORY;
666 *credp = SMB_STRDUP(ldap_state->bind_secret);
669 return LDAP_NO_MEMORY;
671 *methodp = LDAP_AUTH_SIMPLE;
674 GetTimeOfDay(&ldap_state->last_rebind);
678 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
680 /*******************************************************************
681 a rebind function for authenticated referrals
682 This version takes a void* that we can shove useful stuff in :-)
683 and actually does the connection.
684 ******************************************************************/
685 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
686 static int rebindproc_connect_with_state (LDAP *ldap_struct,
687 LDAP_CONST char *url,
689 ber_int_t msgid, void *arg)
691 struct smbldap_state *ldap_state = arg;
693 DEBUG(5,("rebindproc_connect_with_state: Rebinding as \"%s\"\n",
694 ldap_state->bind_dn));
696 /** @TODO Should we be doing something to check what servers we rebind to?
697 Could we get a referral to a machine that we don't want to give our
698 username and password to? */
700 rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
702 GetTimeOfDay(&ldap_state->last_rebind);
706 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
708 /*******************************************************************
709 Add a rebind function for authenticated referrals
710 ******************************************************************/
711 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
713 # if LDAP_SET_REBIND_PROC_ARGS == 2
714 static int rebindproc (LDAP *ldap_struct, char **whop, char **credp,
715 int *method, int freeit )
717 struct smbldap_state *ldap_state = smbldap_find_state(ldap_struct);
719 return rebindproc_with_state(ldap_struct, whop, credp,
720 method, freeit, ldap_state);
723 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
724 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
726 /*******************************************************************
727 a rebind function for authenticated referrals
728 this also does the connection, but no void*.
729 ******************************************************************/
730 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
731 # if LDAP_SET_REBIND_PROC_ARGS == 2
732 static int rebindproc_connect (LDAP * ld, LDAP_CONST char *url, int request,
735 struct smbldap_state *ldap_state = smbldap_find_state(ld);
737 return rebindproc_connect_with_state(ld, url, (ber_tag_t)request, msgid,
740 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
741 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
743 /*******************************************************************
744 connect to the ldap server under system privilege.
745 ******************************************************************/
746 static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_struct)
753 /* get the password */
754 if (!fetch_ldap_pw(&ldap_dn, &ldap_secret)) {
755 DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
756 return LDAP_INVALID_CREDENTIALS;
759 ldap_state->bind_dn = ldap_dn;
760 ldap_state->bind_secret = ldap_secret;
762 /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
763 (OpenLDAP) doesnt' seem to support it */
765 DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
766 ldap_state->uri, ldap_dn));
768 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
769 # if LDAP_SET_REBIND_PROC_ARGS == 2
770 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect);
772 # if LDAP_SET_REBIND_PROC_ARGS == 3
773 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect_with_state, (void *)ldap_state);
775 #else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
776 # if LDAP_SET_REBIND_PROC_ARGS == 2
777 ldap_set_rebind_proc(ldap_struct, &rebindproc);
779 # if LDAP_SET_REBIND_PROC_ARGS == 3
780 ldap_set_rebind_proc(ldap_struct, &rebindproc_with_state, (void *)ldap_state);
782 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
784 rc = ldap_simple_bind_s(ldap_struct, ldap_dn, ldap_secret);
786 if (rc != LDAP_SUCCESS) {
787 char *ld_error = NULL;
788 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
790 DEBUG(ldap_state->num_failures ? 2 : 0,
791 ("failed to bind to server %s with dn=\"%s\" Error: %s\n\t%s\n",
793 ldap_dn ? ldap_dn : "(unknown)", ldap_err2string(rc),
794 ld_error ? ld_error : "(unknown)"));
796 ldap_state->num_failures++;
800 ldap_state->num_failures = 0;
801 ldap_state->paged_results = False;
803 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version);
805 if (smbldap_has_control(ldap_state, ADS_PAGE_CTL_OID) && version == 3) {
806 ldap_state->paged_results = True;
809 DEBUG(3, ("ldap_connect_system: succesful connection to the LDAP server\n"));
810 DEBUGADD(10, ("ldap_connect_system: LDAP server %s support paged results\n",
811 ldap_state->paged_results ? "does" : "does not"));
815 /**********************************************************************
816 Connect to LDAP server (called before every ldap operation)
817 *********************************************************************/
818 static int smbldap_open(struct smbldap_state *ldap_state)
822 SMB_ASSERT(ldap_state);
824 #ifndef NO_LDAP_SECURITY
825 if (geteuid() != 0) {
826 DEBUG(0, ("smbldap_open: cannot access LDAP when not root..\n"));
827 return LDAP_INSUFFICIENT_ACCESS;
831 if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + SMBLDAP_DONT_PING_TIME) < time(NULL))) {
833 struct sockaddr_un addr;
834 socklen_t len = sizeof(addr);
837 opt_rc = ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_DESC, &sd);
838 if (opt_rc == 0 && (getpeername(sd, (struct sockaddr *) &addr, &len)) < 0 )
841 #ifdef HAVE_UNIXSOCKET
842 if (opt_rc == 0 && addr.sun_family == AF_UNIX)
846 /* the other end has died. reopen. */
847 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
848 ldap_state->ldap_struct = NULL;
849 ldap_state->last_ping = (time_t)0;
851 ldap_state->last_ping = time(NULL);
855 if (ldap_state->ldap_struct != NULL) {
856 DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
860 if ((rc = smbldap_open_connection(ldap_state))) {
864 if ((rc = smbldap_connect_system(ldap_state, ldap_state->ldap_struct))) {
865 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
866 ldap_state->ldap_struct = NULL;
871 ldap_state->last_ping = time(NULL);
872 ldap_state->pid = sys_getpid();
873 DEBUG(4,("The LDAP server is succesfully connected\n"));
878 /**********************************************************************
879 Disconnect from LDAP server
880 *********************************************************************/
881 static NTSTATUS smbldap_close(struct smbldap_state *ldap_state)
884 return NT_STATUS_INVALID_PARAMETER;
886 if (ldap_state->ldap_struct != NULL) {
887 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
888 ldap_state->ldap_struct = NULL;
891 smbldap_delete_state(ldap_state);
893 DEBUG(5,("The connection to the LDAP server was closed\n"));
894 /* maybe free the results here --metze */
901 static BOOL got_alarm;
903 static void (*old_handler)(int);
905 static void gotalarm_sig(int dummy)
910 static int another_ldap_try(struct smbldap_state *ldap_state, int *rc,
911 int *attempts, time_t endtime)
913 time_t now = time(NULL);
914 int open_rc = LDAP_SERVER_DOWN;
916 if (*rc != LDAP_SERVER_DOWN)
919 if (now >= endtime) {
920 smbldap_close(ldap_state);
925 if (*attempts == 0) {
927 old_handler = CatchSignal(SIGALRM, gotalarm_sig);
928 alarm(endtime - now);
930 if (ldap_state->pid != sys_getpid())
931 smbldap_close(ldap_state);
941 open_rc = smbldap_open(ldap_state);
943 if (open_rc == LDAP_SUCCESS) {
944 ldap_state->last_use = now;
953 if (open_rc != LDAP_SUCCESS) {
954 DEBUG(1, ("Connection to LDAP server failed for the "
955 "%d try!\n", *attempts));
960 CatchSignal(SIGALRM, old_handler);
962 ldap_state->last_use = now;
966 /*********************************************************************
967 ********************************************************************/
969 static int smbldap_search_ext(struct smbldap_state *ldap_state,
970 const char *base, int scope, const char *filter,
971 const char *attrs[], int attrsonly,
972 LDAPControl **sctrls, LDAPControl **cctrls,
973 int sizelimit, LDAPMessage **res)
975 int rc = LDAP_SERVER_DOWN;
978 time_t endtime = time(NULL)+lp_ldap_timeout();
979 struct timeval timeout;
981 SMB_ASSERT(ldap_state);
983 DEBUG(5,("smbldap_search_ext: base => [%s], filter => [%s], "
984 "scope => [%d]\n", base, filter, scope));
986 if (ldap_state->last_rebind.tv_sec > 0) {
988 SMB_BIG_INT tdiff = 0;
994 tdiff = usec_time_diff(&tval, &ldap_state->last_rebind);
995 tdiff /= 1000; /* Convert to milliseconds. */
997 sleep_time = lp_ldap_replication_sleep()-(int)tdiff;
998 sleep_time = MIN(sleep_time, MAX_LDAP_REPLICATION_SLEEP_TIME);
1000 if (sleep_time > 0) {
1001 /* we wait for the LDAP replication */
1002 DEBUG(5,("smbldap_search_ext: waiting %d milliseconds "
1003 "for LDAP replication.\n",sleep_time));
1004 smb_msleep(sleep_time);
1005 DEBUG(5,("smbldap_search_ext: go on!\n"));
1007 ZERO_STRUCT(ldap_state->last_rebind);
1010 if (push_utf8_allocate(&utf8_filter, filter) == (size_t)-1) {
1011 return LDAP_NO_MEMORY;
1014 /* Setup timeout for the ldap_search_ext_s call - local and remote. */
1015 timeout.tv_sec = lp_ldap_timeout();
1016 timeout.tv_usec = 0;
1018 /* Setup alarm timeout.... Do we need both of these ? JRA.
1019 * Yes, I think we do need both of these. The server timeout only
1020 * covers the case where the server's operation takes too long. It
1021 * does not cover the case where the request hangs on its way to the
1022 * server. The server side timeout is not strictly necessary, it's
1023 * just a bit more kind to the server. VL. */
1026 CatchSignal(SIGALRM, SIGNAL_CAST gotalarm_sig);
1027 alarm(lp_ldap_timeout());
1028 /* End setup timeout. */
1030 while (another_ldap_try(ldap_state, &rc, &attempts, endtime))
1031 rc = ldap_search_ext_s(ldap_state->ldap_struct, base, scope,
1033 CONST_DISCARD(char **, attrs),
1034 attrsonly, sctrls, cctrls, &timeout,
1037 SAFE_FREE(utf8_filter);
1039 /* Teardown timeout. */
1040 CatchSignal(SIGALRM, SIGNAL_CAST SIG_IGN);
1044 return LDAP_TIMELIMIT_EXCEEDED;
1049 int smbldap_search(struct smbldap_state *ldap_state,
1050 const char *base, int scope, const char *filter,
1051 const char *attrs[], int attrsonly,
1054 return smbldap_search_ext(ldap_state, base, scope, filter, attrs,
1055 attrsonly, NULL, NULL, LDAP_NO_LIMIT, res);
1058 int smbldap_search_paged(struct smbldap_state *ldap_state,
1059 const char *base, int scope, const char *filter,
1060 const char **attrs, int attrsonly, int pagesize,
1061 LDAPMessage **res, void **cookie)
1064 LDAPControl **rcontrols;
1065 LDAPControl *controls[2] = { NULL, NULL};
1066 BerElement *cookie_be = NULL;
1067 struct berval *cookie_bv = NULL;
1069 BOOL critical = True;
1073 DEBUG(3,("smbldap_search_paged: base => [%s], filter => [%s],"
1074 "scope => [%d], pagesize => [%d]\n",
1075 base, filter, scope, pagesize));
1077 cookie_be = ber_alloc_t(LBER_USE_DER);
1078 if (cookie_be == NULL) {
1079 DEBUG(0,("smbldap_create_page_control: ber_alloc_t returns "
1081 return LDAP_NO_MEMORY;
1084 /* construct cookie */
1085 if (*cookie != NULL) {
1086 ber_printf(cookie_be, "{iO}", (ber_int_t) pagesize, *cookie);
1087 ber_bvfree(*cookie); /* don't need it from last time */
1090 ber_printf(cookie_be, "{io}", (ber_int_t) pagesize, "", 0);
1092 ber_flatten(cookie_be, &cookie_bv);
1094 pr.ldctl_oid = CONST_DISCARD(char *, ADS_PAGE_CTL_OID);
1095 pr.ldctl_iscritical = (char) critical;
1096 pr.ldctl_value.bv_len = cookie_bv->bv_len;
1097 pr.ldctl_value.bv_val = cookie_bv->bv_val;
1102 rc = smbldap_search_ext(ldap_state, base, scope, filter, attrs,
1103 0, controls, NULL, LDAP_NO_LIMIT, res);
1105 ber_free(cookie_be, 1);
1106 ber_bvfree(cookie_bv);
1109 DEBUG(3,("smbldap_search_paged: smbldap_search_ext(%s) "
1110 "failed with [%s]\n", filter, ldap_err2string(rc)));
1114 DEBUG(3,("smbldap_search_paged: search was successfull\n"));
1116 rc = ldap_parse_result(ldap_state->ldap_struct, *res, NULL, NULL,
1117 NULL, NULL, &rcontrols, 0);
1119 DEBUG(3,("smbldap_search_paged: ldap_parse_result failed " \
1120 "with [%s]\n", ldap_err2string(rc)));
1124 if (rcontrols == NULL)
1127 for (i=0; rcontrols[i]; i++) {
1129 if (strcmp(ADS_PAGE_CTL_OID, rcontrols[i]->ldctl_oid) != 0)
1132 cookie_be = ber_init(&rcontrols[i]->ldctl_value);
1133 ber_scanf(cookie_be,"{iO}", &tmp, &cookie_bv);
1134 /* the berval is the cookie, but must be freed when it is all
1136 if (cookie_bv->bv_len)
1137 *cookie=ber_bvdup(cookie_bv);
1140 ber_bvfree(cookie_bv);
1141 ber_free(cookie_be, 1);
1144 ldap_controls_free(rcontrols);
1149 int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
1151 int rc = LDAP_SERVER_DOWN;
1154 time_t endtime = time(NULL)+lp_ldap_timeout();
1156 SMB_ASSERT(ldap_state);
1158 DEBUG(5,("smbldap_modify: dn => [%s]\n", dn ));
1160 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1161 return LDAP_NO_MEMORY;
1164 while (another_ldap_try(ldap_state, &rc, &attempts, endtime))
1165 rc = ldap_modify_s(ldap_state->ldap_struct, utf8_dn, attrs);
1171 int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
1173 int rc = LDAP_SERVER_DOWN;
1176 time_t endtime = time(NULL)+lp_ldap_timeout();
1178 SMB_ASSERT(ldap_state);
1180 DEBUG(5,("smbldap_add: dn => [%s]\n", dn ));
1182 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1183 return LDAP_NO_MEMORY;
1186 while (another_ldap_try(ldap_state, &rc, &attempts, endtime))
1187 rc = ldap_add_s(ldap_state->ldap_struct, utf8_dn, attrs);
1193 int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
1195 int rc = LDAP_SERVER_DOWN;
1198 time_t endtime = time(NULL)+lp_ldap_timeout();
1200 SMB_ASSERT(ldap_state);
1202 DEBUG(5,("smbldap_delete: dn => [%s]\n", dn ));
1204 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1205 return LDAP_NO_MEMORY;
1208 while (another_ldap_try(ldap_state, &rc, &attempts, endtime))
1209 rc = ldap_delete_s(ldap_state->ldap_struct, utf8_dn);
1215 int smbldap_extended_operation(struct smbldap_state *ldap_state,
1216 LDAP_CONST char *reqoid, struct berval *reqdata,
1217 LDAPControl **serverctrls, LDAPControl **clientctrls,
1218 char **retoidp, struct berval **retdatap)
1220 int rc = LDAP_SERVER_DOWN;
1222 time_t endtime = time(NULL)+lp_ldap_timeout();
1227 while (another_ldap_try(ldap_state, &rc, &attempts, endtime))
1228 rc = ldap_extended_operation_s(ldap_state->ldap_struct, reqoid,
1229 reqdata, serverctrls,
1230 clientctrls, retoidp, retdatap);
1234 /*******************************************************************
1235 run the search by name.
1236 ******************************************************************/
1237 int smbldap_search_suffix (struct smbldap_state *ldap_state, const char *filter,
1238 const char **search_attr, LDAPMessage ** result)
1240 int scope = LDAP_SCOPE_SUBTREE;
1243 rc = smbldap_search(ldap_state, lp_ldap_suffix(), scope, filter, search_attr, 0, result);
1245 if (rc != LDAP_SUCCESS) {
1246 char *ld_error = NULL;
1247 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1249 DEBUG(0,("smbldap_search_suffix: Problem during the LDAP search: %s (%s)\n",
1250 ld_error?ld_error:"(unknown)", ldap_err2string (rc)));
1251 SAFE_FREE(ld_error);
1257 static void smbldap_idle_fn(void **data, time_t *interval, time_t now)
1259 struct smbldap_state *state = (struct smbldap_state *)(*data);
1261 if (state->ldap_struct == NULL) {
1262 DEBUG(10,("ldap connection not connected...\n"));
1266 if ((state->last_use+SMBLDAP_IDLE_TIME) > now) {
1267 DEBUG(10,("ldap connection not idle...\n"));
1271 DEBUG(7,("ldap connection idle...closing connection\n"));
1272 smbldap_close(state);
1275 /**********************************************************************
1277 *********************************************************************/
1279 void smbldap_free_struct(struct smbldap_state **ldap_state)
1281 smbldap_close(*ldap_state);
1283 if ((*ldap_state)->bind_secret) {
1284 memset((*ldap_state)->bind_secret, '\0', strlen((*ldap_state)->bind_secret));
1287 SAFE_FREE((*ldap_state)->bind_dn);
1288 SAFE_FREE((*ldap_state)->bind_secret);
1290 smb_unregister_idle_event((*ldap_state)->event_id);
1294 /* No need to free any further, as it is talloc()ed */
1298 /**********************************************************************
1299 Intitalise the 'general' ldap structures, on which ldap operations may be conducted
1300 *********************************************************************/
1302 NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx, const char *location, struct smbldap_state **smbldap_state)
1304 *smbldap_state = TALLOC_ZERO_P(mem_ctx, struct smbldap_state);
1305 if (!*smbldap_state) {
1306 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1307 return NT_STATUS_NO_MEMORY;
1311 (*smbldap_state)->uri = talloc_strdup(mem_ctx, location);
1313 (*smbldap_state)->uri = "ldap://localhost";
1316 (*smbldap_state)->event_id =
1317 smb_register_idle_event(smbldap_idle_fn, (void *)(*smbldap_state),
1320 if ((*smbldap_state)->event_id == SMB_EVENT_ID_INVALID) {
1321 DEBUG(0,("Failed to register LDAP idle event!\n"));
1322 return NT_STATUS_INVALID_HANDLE;
1325 return NT_STATUS_OK;
1328 /*******************************************************************
1329 Return a copy of the DN for a LDAPMessage. Convert from utf8 to CH_UNIX.
1330 ********************************************************************/
1332 char *smbldap_get_dn(LDAP *ld, LDAPMessage *entry)
1334 char *utf8_dn, *unix_dn;
1336 utf8_dn = ldap_get_dn(ld, entry);
1338 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1341 if (pull_utf8_allocate(&unix_dn, utf8_dn) == (size_t)-1) {
1342 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 [%s]\n", utf8_dn));
1345 ldap_memfree(utf8_dn);
1349 /*******************************************************************
1350 Check if root-dse has a certain Control or Extension
1351 ********************************************************************/
1353 static BOOL smbldap_check_root_dse(struct smbldap_state *ldap_state, const char **attrs, const char *value)
1355 LDAPMessage *msg = NULL;
1356 LDAPMessage *entry = NULL;
1357 char **values = NULL;
1358 int rc, num_result, num_values, i;
1359 BOOL result = False;
1362 DEBUG(3,("smbldap_check_root_dse: nothing to look for\n"));
1366 if (!strequal(attrs[0], "supportedExtension") &&
1367 !strequal(attrs[0], "supportedControl") &&
1368 !strequal(attrs[0], "namingContexts")) {
1369 DEBUG(3,("smbldap_check_root_dse: no idea what to query root-dse for: %s ?\n", attrs[0]));
1373 rc = ldap_search_s(ldap_state->ldap_struct, "", LDAP_SCOPE_BASE,
1374 "(objectclass=*)", CONST_DISCARD(char **, attrs), 0 , &msg);
1376 if (rc != LDAP_SUCCESS) {
1377 DEBUG(3,("smbldap_check_root_dse: Could not search rootDSE\n"));
1381 num_result = ldap_count_entries(ldap_state->ldap_struct, msg);
1383 if (num_result != 1) {
1384 DEBUG(3,("smbldap_check_root_dse: Expected one rootDSE, got %d\n", num_result));
1388 entry = ldap_first_entry(ldap_state->ldap_struct, msg);
1390 if (entry == NULL) {
1391 DEBUG(3,("smbldap_check_root_dse: Could not retrieve rootDSE\n"));
1395 values = ldap_get_values(ldap_state->ldap_struct, entry, attrs[0]);
1397 if (values == NULL) {
1398 DEBUG(5,("smbldap_check_root_dse: LDAP Server does not support any %s\n", attrs[0]));
1402 num_values = ldap_count_values(values);
1404 if (num_values == 0) {
1405 DEBUG(5,("smbldap_check_root_dse: LDAP Server does not have any %s\n", attrs[0]));
1409 for (i=0; i<num_values; i++) {
1410 if (strcmp(values[i], value) == 0)
1417 ldap_value_free(values);
1425 /*******************************************************************
1426 Check if LDAP-Server supports a certain Control (OID in string format)
1427 ********************************************************************/
1429 BOOL smbldap_has_control(struct smbldap_state *ldap_state, const char *control)
1431 const char *attrs[] = { "supportedControl", NULL };
1432 return smbldap_check_root_dse(ldap_state, attrs, control);
1435 /*******************************************************************
1436 Check if LDAP-Server supports a certain Extension (OID in string format)
1437 ********************************************************************/
1439 BOOL smbldap_has_extension(struct smbldap_state *ldap_state, const char *extension)
1441 const char *attrs[] = { "supportedExtension", NULL };
1442 return smbldap_check_root_dse(ldap_state, attrs, extension);
1445 /*******************************************************************
1446 Check if LDAP-Server holds a given namingContext
1447 ********************************************************************/
1449 BOOL smbldap_has_naming_context(struct smbldap_state *ldap_state, const char *naming_context)
1451 const char *attrs[] = { "namingContexts", NULL };
1452 return smbldap_check_root_dse(ldap_state, attrs, naming_context);