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_SN, "sn" },
56 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
57 { LDAP_ATTR_HOME_PATH, "smbHome" },
58 { LDAP_ATTR_HOME_DRIVE, "homeDrive" },
59 { LDAP_ATTR_LOGON_SCRIPT, "scriptPath" },
60 { LDAP_ATTR_PROFILE_PATH, "profilePath" },
61 { LDAP_ATTR_DESC, "description" },
62 { LDAP_ATTR_USER_WKS, "userWorkstations"},
63 { LDAP_ATTR_USER_RID, "rid" },
64 { LDAP_ATTR_PRIMARY_GROUP_RID, "primaryGroupID"},
65 { LDAP_ATTR_LMPW, "lmPassword" },
66 { LDAP_ATTR_NTPW, "ntPassword" },
67 { LDAP_ATTR_DOMAIN, "domain" },
68 { LDAP_ATTR_OBJCLASS, "objectClass" },
69 { LDAP_ATTR_ACB_INFO, "acctFlags" },
70 { LDAP_ATTR_MOD_TIMESTAMP, "modifyTimestamp" },
71 { LDAP_ATTR_LIST_END, NULL }
74 ATTRIB_MAP_ENTRY attrib_map_to_delete_v22[] = {
75 { LDAP_ATTR_PWD_LAST_SET, "pwdLastSet" },
76 { LDAP_ATTR_PWD_CAN_CHANGE, "pwdCanChange" },
77 { LDAP_ATTR_PWD_MUST_CHANGE, "pwdMustChange" },
78 { LDAP_ATTR_LOGON_TIME, "logonTime" },
79 { LDAP_ATTR_LOGOFF_TIME, "logoffTime" },
80 { LDAP_ATTR_KICKOFF_TIME, "kickoffTime" },
81 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
82 { LDAP_ATTR_HOME_PATH, "smbHome" },
83 { LDAP_ATTR_HOME_DRIVE, "homeDrives" },
84 { LDAP_ATTR_LOGON_SCRIPT, "scriptPath" },
85 { LDAP_ATTR_PROFILE_PATH, "profilePath" },
86 { LDAP_ATTR_USER_WKS, "userWorkstations"},
87 { LDAP_ATTR_USER_RID, "rid" },
88 { LDAP_ATTR_PRIMARY_GROUP_RID, "primaryGroupID"},
89 { LDAP_ATTR_LMPW, "lmPassword" },
90 { LDAP_ATTR_NTPW, "ntPassword" },
91 { LDAP_ATTR_DOMAIN, "domain" },
92 { LDAP_ATTR_ACB_INFO, "acctFlags" },
93 { LDAP_ATTR_LIST_END, NULL }
96 /* attributes used by Samba 3.0's sambaSamAccount */
98 ATTRIB_MAP_ENTRY attrib_map_v30[] = {
99 { LDAP_ATTR_UID, "uid" },
100 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
101 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
102 { LDAP_ATTR_UNIX_HOME, "homeDirectory" },
103 { LDAP_ATTR_PWD_LAST_SET, "sambaPwdLastSet" },
104 { LDAP_ATTR_PWD_CAN_CHANGE, "sambaPwdCanChange" },
105 { LDAP_ATTR_PWD_MUST_CHANGE, "sambaPwdMustChange" },
106 { LDAP_ATTR_LOGON_TIME, "sambaLogonTime" },
107 { LDAP_ATTR_LOGOFF_TIME, "sambaLogoffTime" },
108 { LDAP_ATTR_KICKOFF_TIME, "sambaKickoffTime" },
109 { LDAP_ATTR_CN, "cn" },
110 { LDAP_ATTR_SN, "sn" },
111 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
112 { LDAP_ATTR_HOME_DRIVE, "sambaHomeDrive" },
113 { LDAP_ATTR_HOME_PATH, "sambaHomePath" },
114 { LDAP_ATTR_LOGON_SCRIPT, "sambaLogonScript" },
115 { LDAP_ATTR_PROFILE_PATH, "sambaProfilePath" },
116 { LDAP_ATTR_DESC, "description" },
117 { LDAP_ATTR_USER_WKS, "sambaUserWorkstations" },
118 { LDAP_ATTR_USER_SID, LDAP_ATTRIBUTE_SID },
119 { LDAP_ATTR_PRIMARY_GROUP_SID, "sambaPrimaryGroupSID" },
120 { LDAP_ATTR_LMPW, "sambaLMPassword" },
121 { LDAP_ATTR_NTPW, "sambaNTPassword" },
122 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
123 { LDAP_ATTR_OBJCLASS, "objectClass" },
124 { LDAP_ATTR_ACB_INFO, "sambaAcctFlags" },
125 { LDAP_ATTR_MUNGED_DIAL, "sambaMungedDial" },
126 { LDAP_ATTR_BAD_PASSWORD_COUNT, "sambaBadPasswordCount" },
127 { LDAP_ATTR_BAD_PASSWORD_TIME, "sambaBadPasswordTime" },
128 { LDAP_ATTR_PWD_HISTORY, "sambaPasswordHistory" },
129 { LDAP_ATTR_MOD_TIMESTAMP, "modifyTimestamp" },
130 { LDAP_ATTR_LOGON_HOURS, "sambaLogonHours" },
131 { LDAP_ATTR_LIST_END, NULL }
134 ATTRIB_MAP_ENTRY attrib_map_to_delete_v30[] = {
135 { LDAP_ATTR_PWD_LAST_SET, "sambaPwdLastSet" },
136 { LDAP_ATTR_PWD_CAN_CHANGE, "sambaPwdCanChange" },
137 { LDAP_ATTR_PWD_MUST_CHANGE, "sambaPwdMustChange" },
138 { LDAP_ATTR_LOGON_TIME, "sambaLogonTime" },
139 { LDAP_ATTR_LOGOFF_TIME, "sambaLogoffTime" },
140 { LDAP_ATTR_KICKOFF_TIME, "sambaKickoffTime" },
141 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
142 { LDAP_ATTR_HOME_DRIVE, "sambaHomeDrive" },
143 { LDAP_ATTR_HOME_PATH, "sambaHomePath" },
144 { LDAP_ATTR_LOGON_SCRIPT, "sambaLogonScript" },
145 { LDAP_ATTR_PROFILE_PATH, "sambaProfilePath" },
146 { LDAP_ATTR_USER_WKS, "sambaUserWorkstations" },
147 { LDAP_ATTR_USER_SID, LDAP_ATTRIBUTE_SID },
148 { LDAP_ATTR_PRIMARY_GROUP_SID, "sambaPrimaryGroupSID" },
149 { LDAP_ATTR_LMPW, "sambaLMPassword" },
150 { LDAP_ATTR_NTPW, "sambaNTPassword" },
151 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
152 { LDAP_ATTR_ACB_INFO, "sambaAcctFlags" },
153 { LDAP_ATTR_MUNGED_DIAL, "sambaMungedDial" },
154 { LDAP_ATTR_BAD_PASSWORD_COUNT, "sambaBadPasswordCount" },
155 { LDAP_ATTR_BAD_PASSWORD_TIME, "sambaBadPasswordTime" },
156 { LDAP_ATTR_PWD_HISTORY, "sambaPasswordHistory" },
157 { LDAP_ATTR_LOGON_HOURS, "sambaLogonHours" },
158 { LDAP_ATTR_LIST_END, NULL }
161 /* attributes used for allocating RIDs */
163 ATTRIB_MAP_ENTRY dominfo_attr_list[] = {
164 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
165 { LDAP_ATTR_NEXT_RID, "sambaNextRid" },
166 { LDAP_ATTR_NEXT_USERRID, "sambaNextUserRid" },
167 { LDAP_ATTR_NEXT_GROUPRID, "sambaNextGroupRid" },
168 { LDAP_ATTR_DOM_SID, LDAP_ATTRIBUTE_SID },
169 { LDAP_ATTR_ALGORITHMIC_RID_BASE,"sambaAlgorithmicRidBase"},
170 { LDAP_ATTR_OBJCLASS, "objectClass" },
171 { LDAP_ATTR_LIST_END, NULL },
174 /* Samba 3.0 group mapping attributes */
176 ATTRIB_MAP_ENTRY groupmap_attr_list[] = {
177 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
178 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
179 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
180 { LDAP_ATTR_SID_LIST, "sambaSIDList" },
181 { LDAP_ATTR_DESC, "description" },
182 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
183 { LDAP_ATTR_CN, "cn" },
184 { LDAP_ATTR_OBJCLASS, "objectClass" },
185 { LDAP_ATTR_LIST_END, NULL }
188 ATTRIB_MAP_ENTRY groupmap_attr_list_to_delete[] = {
189 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
190 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
191 { LDAP_ATTR_DESC, "description" },
192 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
193 { LDAP_ATTR_SID_LIST, "sambaSIDList" },
194 { LDAP_ATTR_LIST_END, NULL }
197 /* idmap_ldap sambaUnixIdPool */
199 ATTRIB_MAP_ENTRY idpool_attr_list[] = {
200 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
201 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
202 { LDAP_ATTR_OBJCLASS, "objectClass" },
203 { LDAP_ATTR_LIST_END, NULL }
206 ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
207 { LDAP_ATTR_SID, LDAP_ATTRIBUTE_SID },
208 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
209 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
210 { LDAP_ATTR_OBJCLASS, "objectClass" },
211 { LDAP_ATTR_LIST_END, NULL }
214 /**********************************************************************
215 perform a simple table lookup and return the attribute name
216 **********************************************************************/
218 const char* get_attr_key2string( ATTRIB_MAP_ENTRY table[], int key )
222 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
223 if ( table[i].attrib == key )
224 return table[i].name;
232 /**********************************************************************
233 Return the list of attribute names from a mapping table
234 **********************************************************************/
236 const char** get_attr_list( TALLOC_CTX *mem_ctx, ATTRIB_MAP_ENTRY table[] )
241 while ( table[i].attrib != LDAP_ATTR_LIST_END )
245 names = TALLOC_ARRAY( mem_ctx, const char*, i );
247 DEBUG(0,("get_attr_list: out of memory\n"));
252 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
253 names[i] = talloc_strdup( names, table[i].name );
261 /*******************************************************************
262 Search an attribute and return the first value found.
263 ******************************************************************/
265 BOOL smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
266 const char *attribute, char *value,
276 if ((values = ldap_get_values (ldap_struct, entry, attribute)) == NULL) {
277 DEBUG (10, ("smbldap_get_single_attribute: [%s] = [<does not exist>]\n", attribute));
282 if (convert_string(CH_UTF8, CH_UNIX,values[0], -1, value, max_len, False) == (size_t)-1) {
283 DEBUG(1, ("smbldap_get_single_attribute: string conversion of [%s] = [%s] failed!\n",
284 attribute, values[0]));
285 ldap_value_free(values);
289 ldap_value_free(values);
290 #ifdef DEBUG_PASSWORDS
291 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n", attribute, value));
296 BOOL smbldap_get_single_pstring (LDAP * ldap_struct, LDAPMessage * entry,
297 const char *attribute, pstring value)
299 return smbldap_get_single_attribute(ldap_struct, entry,
304 char * smbldap_talloc_single_attribute(LDAP *ldap_struct, LDAPMessage *entry,
305 const char *attribute,
311 if (attribute == NULL) {
315 values = ldap_get_values(ldap_struct, entry, attribute);
317 if (values == NULL) {
318 DEBUG(10, ("attribute %s does not exist\n", attribute));
322 if (ldap_count_values(values) != 1) {
323 DEBUG(10, ("attribute %s has %d values, expected only one\n",
324 attribute, ldap_count_values(values)));
325 ldap_value_free(values);
329 if (pull_utf8_talloc(mem_ctx, &result, values[0]) == (size_t)-1) {
330 DEBUG(10, ("pull_utf8_talloc failed\n"));
331 ldap_value_free(values);
335 ldap_value_free(values);
337 #ifdef DEBUG_PASSWORDS
338 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n",
344 static int ldapmsg_destructor(LDAPMessage **result) {
345 ldap_msgfree(*result);
349 void talloc_autofree_ldapmsg(TALLOC_CTX *mem_ctx, LDAPMessage *result)
351 LDAPMessage **handle;
353 if (result == NULL) {
357 handle = TALLOC_P(mem_ctx, LDAPMessage *);
358 SMB_ASSERT(handle != NULL);
361 talloc_set_destructor(handle, ldapmsg_destructor);
364 static int ldapmod_destructor(LDAPMod ***mod) {
365 ldap_mods_free(*mod, True);
369 void talloc_autofree_ldapmod(TALLOC_CTX *mem_ctx, LDAPMod **mod)
377 handle = TALLOC_P(mem_ctx, LDAPMod **);
378 SMB_ASSERT(handle != NULL);
381 talloc_set_destructor(handle, ldapmod_destructor);
384 /************************************************************************
385 Routine to manage the LDAPMod structure array
386 manage memory used by the array, by each struct, and values
387 ***********************************************************************/
389 void smbldap_set_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
397 /* sanity checks on the mod values */
399 if (attribute == NULL || *attribute == '\0') {
403 #if 0 /* commented out after discussion with abartlet. Do not reenable.
404 left here so other do not re-add similar code --jerry */
405 if (value == NULL || *value == '\0')
410 mods = SMB_MALLOC_P(LDAPMod *);
412 smb_panic("smbldap_set_mod: out of memory!\n");
419 for (i = 0; mods[i] != NULL; ++i) {
420 if (mods[i]->mod_op == modop && strequal(mods[i]->mod_type, attribute))
424 if (mods[i] == NULL) {
425 mods = SMB_REALLOC_ARRAY (mods, LDAPMod *, i + 2);
427 smb_panic("smbldap_set_mod: out of memory!\n");
431 mods[i] = SMB_MALLOC_P(LDAPMod);
432 if (mods[i] == NULL) {
433 smb_panic("smbldap_set_mod: out of memory!\n");
437 mods[i]->mod_op = modop;
438 mods[i]->mod_values = NULL;
439 mods[i]->mod_type = SMB_STRDUP(attribute);
444 char *utf8_value = NULL;
447 if (mods[i]->mod_values != NULL) {
448 for (; mods[i]->mod_values[j] != NULL; j++);
450 mods[i]->mod_values = SMB_REALLOC_ARRAY(mods[i]->mod_values, char *, j + 2);
452 if (mods[i]->mod_values == NULL) {
453 smb_panic("smbldap_set_mod: out of memory!\n");
458 if (push_utf8_allocate(&utf8_value, value) == (size_t)-1) {
459 smb_panic("smbldap_set_mod: String conversion failure!\n");
464 mods[i]->mod_values[j] = utf8_value;
466 mods[i]->mod_values[j + 1] = NULL;
471 /**********************************************************************
472 Set attribute to newval in LDAP, regardless of what value the
473 attribute had in LDAP before.
474 *********************************************************************/
476 void smbldap_make_mod(LDAP *ldap_struct, LDAPMessage *existing,
478 const char *attribute, const char *newval)
480 char oldval[2048]; /* current largest allowed value is mungeddial */
483 if (attribute == NULL) {
484 /* This can actually happen for ldapsam_compat where we for
485 * example don't have a password history */
489 if (existing != NULL) {
490 existed = smbldap_get_single_attribute(ldap_struct, existing, attribute, oldval, sizeof(oldval));
496 /* all of our string attributes are case insensitive */
498 if (existed && newval && (StrCaseCmp(oldval, newval) == 0)) {
500 /* Believe it or not, but LDAP will deny a delete and
501 an add at the same time if the values are the
503 DEBUG(10,("smbldap_make_mod: attribute |%s| not changed.\n", attribute));
508 /* There has been no value before, so don't delete it.
509 * Here's a possible race: We might end up with
510 * duplicate attributes */
511 /* By deleting exactly the value we found in the entry this
512 * should be race-free in the sense that the LDAP-Server will
513 * deny the complete operation if somebody changed the
514 * attribute behind our back. */
515 /* This will also allow modifying single valued attributes
516 * in Novell NDS. In NDS you have to first remove attribute and then
517 * you could add new value */
519 DEBUG(10,("smbldap_make_mod: deleting attribute |%s| values |%s|\n", attribute, oldval));
520 smbldap_set_mod(mods, LDAP_MOD_DELETE, attribute, oldval);
523 /* Regardless of the real operation (add or modify)
524 we add the new value here. We rely on deleting
525 the old value, should it exist. */
527 if ((newval != NULL) && (strlen(newval) > 0)) {
528 DEBUG(10,("smbldap_make_mod: adding attribute |%s| value |%s|\n", attribute, newval));
529 smbldap_set_mod(mods, LDAP_MOD_ADD, attribute, newval);
533 /**********************************************************************
534 Some varients of the LDAP rebind code do not pass in the third 'arg'
535 pointer to a void*, so we try and work around it by assuming that the
536 value of the 'LDAP *' pointer is the same as the one we had passed in
537 **********************************************************************/
539 struct smbldap_state_lookup {
541 struct smbldap_state *smbldap_state;
542 struct smbldap_state_lookup *prev, *next;
545 static struct smbldap_state_lookup *smbldap_state_lookup_list;
547 static struct smbldap_state *smbldap_find_state(LDAP *ld)
549 struct smbldap_state_lookup *t;
551 for (t = smbldap_state_lookup_list; t; t = t->next) {
553 return t->smbldap_state;
559 static void smbldap_delete_state(struct smbldap_state *smbldap_state)
561 struct smbldap_state_lookup *t;
563 for (t = smbldap_state_lookup_list; t; t = t->next) {
564 if (t->smbldap_state == smbldap_state) {
565 DLIST_REMOVE(smbldap_state_lookup_list, t);
572 static void smbldap_store_state(LDAP *ld, struct smbldap_state *smbldap_state)
574 struct smbldap_state *tmp_ldap_state;
575 struct smbldap_state_lookup *t;
577 if ((tmp_ldap_state = smbldap_find_state(ld))) {
578 SMB_ASSERT(tmp_ldap_state == smbldap_state);
582 t = SMB_XMALLOC_P(struct smbldap_state_lookup);
585 DLIST_ADD_END(smbldap_state_lookup_list, t, struct smbldap_state_lookup *);
587 t->smbldap_state = smbldap_state;
590 /********************************************************************
591 start TLS on an existing LDAP connection
592 *******************************************************************/
594 int smb_ldap_start_tls(LDAP *ldap_struct, int version)
598 if (lp_ldap_ssl() != LDAP_SSL_START_TLS) {
602 #ifdef LDAP_OPT_X_TLS
603 if (version != LDAP_VERSION3) {
604 DEBUG(0, ("Need LDAPv3 for Start TLS\n"));
605 return LDAP_OPERATIONS_ERROR;
608 if ((rc = ldap_start_tls_s (ldap_struct, NULL, NULL)) != LDAP_SUCCESS) {
609 DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
610 ldap_err2string(rc)));
614 DEBUG (3, ("StartTLS issued: using a TLS connection\n"));
617 DEBUG(0,("StartTLS not supported by LDAP client libraries!\n"));
618 return LDAP_OPERATIONS_ERROR;
622 /********************************************************************
623 setup a connection to the LDAP server based on a uri
624 *******************************************************************/
626 int smb_ldap_setup_conn(LDAP **ldap_struct, const char *uri)
630 DEBUG(10, ("smb_ldap_setup_connection: %s\n", uri));
632 #ifdef HAVE_LDAP_INITIALIZE
634 rc = ldap_initialize(ldap_struct, uri);
636 DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc)));
642 /* Parse the string manually */
648 SMB_ASSERT(sizeof(protocol)>10 && sizeof(host)>254);
651 /* skip leading "URL:" (if any) */
652 if ( strnequal( uri, "URL:", 4 ) ) {
656 sscanf(uri, "%10[^:]://%254[^:/]:%d", protocol, host, &port);
659 if (strequal(protocol, "ldap")) {
661 } else if (strequal(protocol, "ldaps")) {
664 DEBUG(0, ("unrecognised protocol (%s)!\n", protocol));
668 if ((*ldap_struct = ldap_init(host, port)) == NULL) {
669 DEBUG(0, ("ldap_init failed !\n"));
670 return LDAP_OPERATIONS_ERROR;
673 if (strequal(protocol, "ldaps")) {
674 #ifdef LDAP_OPT_X_TLS
675 int tls = LDAP_OPT_X_TLS_HARD;
676 if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
678 DEBUG(0, ("Failed to setup a TLS session\n"));
681 DEBUG(3,("LDAPS option set...!\n"));
683 DEBUG(0,("smbldap_open_connection: Secure connection not supported by LDAP client libraries!\n"));
684 return LDAP_OPERATIONS_ERROR;
685 #endif /* LDAP_OPT_X_TLS */
689 #endif /* HAVE_LDAP_INITIALIZE */
693 /********************************************************************
694 try to upgrade to Version 3 LDAP if not already, in either case return current
696 *******************************************************************/
698 int smb_ldap_upgrade_conn(LDAP *ldap_struct, int *new_version)
703 /* assume the worst */
704 *new_version = LDAP_VERSION2;
706 rc = ldap_get_option(ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version);
711 if (version == LDAP_VERSION3) {
712 *new_version = LDAP_VERSION3;
717 version = LDAP_VERSION3;
718 rc = ldap_set_option (ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version);
723 *new_version = LDAP_VERSION3;
727 /*******************************************************************
728 open a connection to the ldap server (just until the bind)
729 ******************************************************************/
731 int smb_ldap_setup_full_conn(LDAP **ldap_struct, const char *uri)
735 rc = smb_ldap_setup_conn(ldap_struct, uri);
740 rc = smb_ldap_upgrade_conn(*ldap_struct, &version);
745 rc = smb_ldap_start_tls(*ldap_struct, version);
753 /*******************************************************************
754 open a connection to the ldap server.
755 ******************************************************************/
756 static int smbldap_open_connection (struct smbldap_state *ldap_state)
759 int rc = LDAP_SUCCESS;
761 LDAP **ldap_struct = &ldap_state->ldap_struct;
763 rc = smb_ldap_setup_conn(ldap_struct, ldap_state->uri);
768 /* Store the LDAP pointer in a lookup list */
770 smbldap_store_state(*ldap_struct, ldap_state);
772 /* Upgrade to LDAPv3 if possible */
774 rc = smb_ldap_upgrade_conn(*ldap_struct, &version);
779 /* Start TLS if required */
781 rc = smb_ldap_start_tls(*ldap_struct, version);
786 DEBUG(2, ("smbldap_open_connection: connection opened\n"));
790 /*******************************************************************
791 a rebind function for authenticated referrals
792 This version takes a void* that we can shove useful stuff in :-)
793 ******************************************************************/
794 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
796 static int rebindproc_with_state (LDAP * ld, char **whop, char **credp,
797 int *methodp, int freeit, void *arg)
799 struct smbldap_state *ldap_state = arg;
801 /** @TODO Should we be doing something to check what servers we rebind to?
802 Could we get a referral to a machine that we don't want to give our
803 username and password to? */
808 memset(*credp, '\0', strlen(*credp));
812 DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n",
813 ldap_state->bind_dn?ldap_state->bind_dn:"[Anonymous bind]"));
815 if (ldap_state->anonymous) {
819 *whop = SMB_STRDUP(ldap_state->bind_dn);
821 return LDAP_NO_MEMORY;
823 *credp = SMB_STRDUP(ldap_state->bind_secret);
826 return LDAP_NO_MEMORY;
829 *methodp = LDAP_AUTH_SIMPLE;
832 GetTimeOfDay(&ldap_state->last_rebind);
836 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
838 /*******************************************************************
839 a rebind function for authenticated referrals
840 This version takes a void* that we can shove useful stuff in :-)
841 and actually does the connection.
842 ******************************************************************/
843 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
844 static int rebindproc_connect_with_state (LDAP *ldap_struct,
845 LDAP_CONST char *url,
847 ber_int_t msgid, void *arg)
849 struct smbldap_state *ldap_state =
850 (struct smbldap_state *)arg;
854 DEBUG(5,("rebindproc_connect_with_state: Rebinding to %s as \"%s\"\n",
855 url, ldap_state->bind_dn?ldap_state->bind_dn:"[Anonymous bind]"));
857 /* call START_TLS again (ldaps:// is handled by the OpenLDAP library
858 * itself) before rebinding to another LDAP server to avoid to expose
859 * our credentials. At least *try* to secure the connection - Guenther */
861 smb_ldap_upgrade_conn(ldap_struct, &version);
862 smb_ldap_start_tls(ldap_struct, version);
864 /** @TODO Should we be doing something to check what servers we rebind to?
865 Could we get a referral to a machine that we don't want to give our
866 username and password to? */
868 rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
870 /* only set the last rebind timestamp when we did rebind after a
871 * non-read LDAP operation. That way we avoid the replication sleep
872 * after a simple redirected search operation - Guenther */
876 case LDAP_REQ_MODIFY:
878 case LDAP_REQ_DELETE:
880 case LDAP_REQ_EXTENDED:
881 DEBUG(10,("rebindproc_connect_with_state: "
882 "setting last_rebind timestamp "
883 "(req: 0x%02x)\n", (unsigned int)request));
884 GetTimeOfDay(&ldap_state->last_rebind);
887 ZERO_STRUCT(ldap_state->last_rebind);
893 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
895 /*******************************************************************
896 Add a rebind function for authenticated referrals
897 ******************************************************************/
898 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
900 # if LDAP_SET_REBIND_PROC_ARGS == 2
901 static int rebindproc (LDAP *ldap_struct, char **whop, char **credp,
902 int *method, int freeit )
904 struct smbldap_state *ldap_state = smbldap_find_state(ldap_struct);
906 return rebindproc_with_state(ldap_struct, whop, credp,
907 method, freeit, ldap_state);
910 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
911 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
913 /*******************************************************************
914 a rebind function for authenticated referrals
915 this also does the connection, but no void*.
916 ******************************************************************/
917 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
918 # if LDAP_SET_REBIND_PROC_ARGS == 2
919 static int rebindproc_connect (LDAP * ld, LDAP_CONST char *url, int request,
922 struct smbldap_state *ldap_state = smbldap_find_state(ld);
924 return rebindproc_connect_with_state(ld, url, (ber_tag_t)request, msgid,
927 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
928 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
930 /*******************************************************************
931 connect to the ldap server under system privilege.
932 ******************************************************************/
933 static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_struct)
938 if (!ldap_state->anonymous && !ldap_state->bind_dn) {
940 /* get the default dn and password only if they are not set already */
941 if (!fetch_ldap_pw(&ldap_state->bind_dn, &ldap_state->bind_secret)) {
942 DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
943 return LDAP_INVALID_CREDENTIALS;
947 /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
948 (OpenLDAP) doesnt' seem to support it */
950 DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
951 ldap_state->uri, ldap_state->bind_dn));
953 #ifdef HAVE_LDAP_SET_REBIND_PROC
954 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
955 # if LDAP_SET_REBIND_PROC_ARGS == 2
956 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect);
958 # if LDAP_SET_REBIND_PROC_ARGS == 3
959 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect_with_state, (void *)ldap_state);
961 #else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
962 # if LDAP_SET_REBIND_PROC_ARGS == 2
963 ldap_set_rebind_proc(ldap_struct, &rebindproc);
965 # if LDAP_SET_REBIND_PROC_ARGS == 3
966 ldap_set_rebind_proc(ldap_struct, &rebindproc_with_state, (void *)ldap_state);
968 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
971 rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
973 if (rc != LDAP_SUCCESS) {
974 char *ld_error = NULL;
975 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
977 DEBUG(ldap_state->num_failures ? 2 : 0,
978 ("failed to bind to server %s with dn=\"%s\" Error: %s\n\t%s\n",
980 ldap_state->bind_dn ? ldap_state->bind_dn : "[Anonymous bind]",
982 ld_error ? ld_error : "(unknown)"));
984 ldap_state->num_failures++;
988 ldap_state->num_failures = 0;
989 ldap_state->paged_results = False;
991 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version);
993 if (smbldap_has_control(ldap_state->ldap_struct, ADS_PAGE_CTL_OID) && version == 3) {
994 ldap_state->paged_results = True;
997 DEBUG(3, ("ldap_connect_system: succesful connection to the LDAP server\n"));
998 DEBUGADD(10, ("ldap_connect_system: LDAP server %s support paged results\n",
999 ldap_state->paged_results ? "does" : "does not"));
1003 static void smbldap_idle_fn(struct event_context *event_ctx,
1004 struct timed_event *te,
1005 const struct timeval *now,
1006 void *private_data);
1008 /**********************************************************************
1009 Connect to LDAP server (called before every ldap operation)
1010 *********************************************************************/
1011 static int smbldap_open(struct smbldap_state *ldap_state)
1014 BOOL reopen = False;
1015 SMB_ASSERT(ldap_state);
1017 #ifndef NO_LDAP_SECURITY
1018 if (geteuid() != 0) {
1019 DEBUG(0, ("smbldap_open: cannot access LDAP when not root..\n"));
1020 return LDAP_INSUFFICIENT_ACCESS;
1024 if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + SMBLDAP_DONT_PING_TIME) < time(NULL))) {
1026 #ifdef HAVE_UNIXSOCKET
1027 struct sockaddr_un addr;
1029 struct sockaddr addr;
1031 socklen_t len = sizeof(addr);
1034 opt_rc = ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_DESC, &sd);
1035 if (opt_rc == 0 && (getpeername(sd, (struct sockaddr *) &addr, &len)) < 0 )
1038 #ifdef HAVE_UNIXSOCKET
1039 if (opt_rc == 0 && addr.sun_family == AF_UNIX)
1043 /* the other end has died. reopen. */
1044 ldap_unbind(ldap_state->ldap_struct);
1045 ldap_state->ldap_struct = NULL;
1046 ldap_state->last_ping = (time_t)0;
1048 ldap_state->last_ping = time(NULL);
1052 if (ldap_state->ldap_struct != NULL) {
1053 DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
1054 return LDAP_SUCCESS;
1057 if ((rc = smbldap_open_connection(ldap_state))) {
1061 if ((rc = smbldap_connect_system(ldap_state, ldap_state->ldap_struct))) {
1062 ldap_unbind(ldap_state->ldap_struct);
1063 ldap_state->ldap_struct = NULL;
1068 ldap_state->last_ping = time(NULL);
1069 ldap_state->pid = sys_getpid();
1071 TALLOC_FREE(ldap_state->idle_event);
1073 if (ldap_state->event_context != NULL) {
1074 ldap_state->idle_event = event_add_timed(
1075 ldap_state->event_context, NULL,
1076 timeval_current_ofs(SMBLDAP_IDLE_TIME, 0),
1077 "smbldap_idle_fn", smbldap_idle_fn, ldap_state);
1080 DEBUG(4,("The LDAP server is succesfully connected\n"));
1082 return LDAP_SUCCESS;
1085 /**********************************************************************
1086 Disconnect from LDAP server
1087 *********************************************************************/
1088 static NTSTATUS smbldap_close(struct smbldap_state *ldap_state)
1091 return NT_STATUS_INVALID_PARAMETER;
1093 if (ldap_state->ldap_struct != NULL) {
1094 ldap_unbind(ldap_state->ldap_struct);
1095 ldap_state->ldap_struct = NULL;
1098 smbldap_delete_state(ldap_state);
1100 DEBUG(5,("The connection to the LDAP server was closed\n"));
1101 /* maybe free the results here --metze */
1103 return NT_STATUS_OK;
1106 static BOOL got_alarm;
1108 static void (*old_handler)(int);
1110 static void gotalarm_sig(int dummy)
1115 static int another_ldap_try(struct smbldap_state *ldap_state, int *rc,
1116 int *attempts, time_t endtime)
1118 time_t now = time(NULL);
1119 int open_rc = LDAP_SERVER_DOWN;
1121 if (*rc != LDAP_SERVER_DOWN)
1124 if (now >= endtime) {
1125 smbldap_close(ldap_state);
1130 if (*attempts == 0) {
1132 old_handler = CatchSignal(SIGALRM, gotalarm_sig);
1133 alarm(endtime - now);
1135 if (ldap_state->pid != sys_getpid())
1136 smbldap_close(ldap_state);
1146 open_rc = smbldap_open(ldap_state);
1148 if (open_rc == LDAP_SUCCESS) {
1149 ldap_state->last_use = now;
1153 if (open_rc == LDAP_INSUFFICIENT_ACCESS) {
1154 /* The fact that we are non-root or any other
1155 * access-denied condition will not change in the next
1156 * round of trying */
1166 if (open_rc != LDAP_SUCCESS) {
1167 DEBUG(1, ("Connection to LDAP server failed for the "
1168 "%d try!\n", *attempts));
1173 CatchSignal(SIGALRM, old_handler);
1175 ldap_state->last_use = now;
1179 /*********************************************************************
1180 ********************************************************************/
1182 static int smbldap_search_ext(struct smbldap_state *ldap_state,
1183 const char *base, int scope, const char *filter,
1184 const char *attrs[], int attrsonly,
1185 LDAPControl **sctrls, LDAPControl **cctrls,
1186 int sizelimit, LDAPMessage **res)
1188 int rc = LDAP_SERVER_DOWN;
1191 time_t endtime = time(NULL)+lp_ldap_timeout();
1192 struct timeval timeout;
1194 SMB_ASSERT(ldap_state);
1196 DEBUG(5,("smbldap_search_ext: base => [%s], filter => [%s], "
1197 "scope => [%d]\n", base, filter, scope));
1199 if (ldap_state->last_rebind.tv_sec > 0) {
1200 struct timeval tval;
1201 SMB_BIG_INT tdiff = 0;
1205 GetTimeOfDay(&tval);
1207 tdiff = usec_time_diff(&tval, &ldap_state->last_rebind);
1208 tdiff /= 1000; /* Convert to milliseconds. */
1210 sleep_time = lp_ldap_replication_sleep()-(int)tdiff;
1211 sleep_time = MIN(sleep_time, MAX_LDAP_REPLICATION_SLEEP_TIME);
1213 if (sleep_time > 0) {
1214 /* we wait for the LDAP replication */
1215 DEBUG(5,("smbldap_search_ext: waiting %d milliseconds "
1216 "for LDAP replication.\n",sleep_time));
1217 smb_msleep(sleep_time);
1218 DEBUG(5,("smbldap_search_ext: go on!\n"));
1220 ZERO_STRUCT(ldap_state->last_rebind);
1223 if (push_utf8_allocate(&utf8_filter, filter) == (size_t)-1) {
1224 return LDAP_NO_MEMORY;
1227 /* Setup timeout for the ldap_search_ext_s call - local and remote. */
1228 timeout.tv_sec = lp_ldap_timeout();
1229 timeout.tv_usec = 0;
1231 /* Setup alarm timeout.... Do we need both of these ? JRA.
1232 * Yes, I think we do need both of these. The server timeout only
1233 * covers the case where the server's operation takes too long. It
1234 * does not cover the case where the request hangs on its way to the
1235 * server. The server side timeout is not strictly necessary, it's
1236 * just a bit more kind to the server. VL. */
1239 CatchSignal(SIGALRM, SIGNAL_CAST gotalarm_sig);
1240 alarm(lp_ldap_timeout());
1241 /* End setup timeout. */
1243 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1244 rc = ldap_search_ext_s(ldap_state->ldap_struct, base, scope,
1246 CONST_DISCARD(char **, attrs),
1247 attrsonly, sctrls, cctrls, &timeout,
1249 if (rc != LDAP_SUCCESS) {
1250 char *ld_error = NULL;
1253 ldap_get_option(ldap_state->ldap_struct,
1254 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1256 ldap_get_option(ldap_state->ldap_struct,
1257 LDAP_OPT_ERROR_STRING, &ld_error);
1258 DEBUG(10, ("Failed search for base: %s, error: %d (%s) "
1259 "(%s)\n", base, ld_errno,
1260 ldap_err2string(rc),
1261 ld_error ? ld_error : "unknown"));
1262 SAFE_FREE(ld_error);
1264 if (ld_errno == LDAP_SERVER_DOWN) {
1265 ldap_unbind(ldap_state->ldap_struct);
1266 ldap_state->ldap_struct = NULL;
1271 SAFE_FREE(utf8_filter);
1273 /* Teardown timeout. */
1274 CatchSignal(SIGALRM, SIGNAL_CAST SIG_IGN);
1278 return LDAP_TIMELIMIT_EXCEEDED;
1283 int smbldap_search(struct smbldap_state *ldap_state,
1284 const char *base, int scope, const char *filter,
1285 const char *attrs[], int attrsonly,
1288 return smbldap_search_ext(ldap_state, base, scope, filter, attrs,
1289 attrsonly, NULL, NULL, LDAP_NO_LIMIT, res);
1292 int smbldap_search_paged(struct smbldap_state *ldap_state,
1293 const char *base, int scope, const char *filter,
1294 const char **attrs, int attrsonly, int pagesize,
1295 LDAPMessage **res, void **cookie)
1298 LDAPControl **rcontrols;
1299 LDAPControl *controls[2] = { NULL, NULL};
1300 BerElement *cookie_be = NULL;
1301 struct berval *cookie_bv = NULL;
1303 BOOL critical = True;
1307 DEBUG(3,("smbldap_search_paged: base => [%s], filter => [%s],"
1308 "scope => [%d], pagesize => [%d]\n",
1309 base, filter, scope, pagesize));
1311 cookie_be = ber_alloc_t(LBER_USE_DER);
1312 if (cookie_be == NULL) {
1313 DEBUG(0,("smbldap_create_page_control: ber_alloc_t returns "
1315 return LDAP_NO_MEMORY;
1318 /* construct cookie */
1319 if (*cookie != NULL) {
1320 ber_printf(cookie_be, "{iO}", (ber_int_t) pagesize, *cookie);
1321 ber_bvfree((struct berval *)*cookie); /* don't need it from last time */
1324 ber_printf(cookie_be, "{io}", (ber_int_t) pagesize, "", 0);
1326 ber_flatten(cookie_be, &cookie_bv);
1328 pr.ldctl_oid = CONST_DISCARD(char *, ADS_PAGE_CTL_OID);
1329 pr.ldctl_iscritical = (char) critical;
1330 pr.ldctl_value.bv_len = cookie_bv->bv_len;
1331 pr.ldctl_value.bv_val = cookie_bv->bv_val;
1336 rc = smbldap_search_ext(ldap_state, base, scope, filter, attrs,
1337 0, controls, NULL, LDAP_NO_LIMIT, res);
1339 ber_free(cookie_be, 1);
1340 ber_bvfree(cookie_bv);
1343 DEBUG(3,("smbldap_search_paged: smbldap_search_ext(%s) "
1344 "failed with [%s]\n", filter, ldap_err2string(rc)));
1348 DEBUG(3,("smbldap_search_paged: search was successfull\n"));
1350 rc = ldap_parse_result(ldap_state->ldap_struct, *res, NULL, NULL,
1351 NULL, NULL, &rcontrols, 0);
1353 DEBUG(3,("smbldap_search_paged: ldap_parse_result failed " \
1354 "with [%s]\n", ldap_err2string(rc)));
1358 if (rcontrols == NULL)
1361 for (i=0; rcontrols[i]; i++) {
1363 if (strcmp(ADS_PAGE_CTL_OID, rcontrols[i]->ldctl_oid) != 0)
1366 cookie_be = ber_init(&rcontrols[i]->ldctl_value);
1367 ber_scanf(cookie_be,"{iO}", &tmp, &cookie_bv);
1368 /* the berval is the cookie, but must be freed when it is all
1370 if (cookie_bv->bv_len)
1371 *cookie=ber_bvdup(cookie_bv);
1374 ber_bvfree(cookie_bv);
1375 ber_free(cookie_be, 1);
1378 ldap_controls_free(rcontrols);
1383 int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
1385 int rc = LDAP_SERVER_DOWN;
1388 time_t endtime = time(NULL)+lp_ldap_timeout();
1390 SMB_ASSERT(ldap_state);
1392 DEBUG(5,("smbldap_modify: dn => [%s]\n", dn ));
1394 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1395 return LDAP_NO_MEMORY;
1398 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1399 rc = ldap_modify_s(ldap_state->ldap_struct, utf8_dn, attrs);
1400 if (rc != LDAP_SUCCESS) {
1401 char *ld_error = NULL;
1404 ldap_get_option(ldap_state->ldap_struct,
1405 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1407 ldap_get_option(ldap_state->ldap_struct,
1408 LDAP_OPT_ERROR_STRING, &ld_error);
1409 DEBUG(10, ("Failed to modify dn: %s, error: %d (%s) "
1410 "(%s)\n", dn, ld_errno,
1411 ldap_err2string(rc),
1412 ld_error ? ld_error : "unknown"));
1413 SAFE_FREE(ld_error);
1415 if (ld_errno == LDAP_SERVER_DOWN) {
1416 ldap_unbind(ldap_state->ldap_struct);
1417 ldap_state->ldap_struct = NULL;
1426 int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
1428 int rc = LDAP_SERVER_DOWN;
1431 time_t endtime = time(NULL)+lp_ldap_timeout();
1433 SMB_ASSERT(ldap_state);
1435 DEBUG(5,("smbldap_add: dn => [%s]\n", dn ));
1437 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1438 return LDAP_NO_MEMORY;
1441 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1442 rc = ldap_add_s(ldap_state->ldap_struct, utf8_dn, attrs);
1443 if (rc != LDAP_SUCCESS) {
1444 char *ld_error = NULL;
1447 ldap_get_option(ldap_state->ldap_struct,
1448 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1450 ldap_get_option(ldap_state->ldap_struct,
1451 LDAP_OPT_ERROR_STRING, &ld_error);
1452 DEBUG(10, ("Failed to add dn: %s, error: %d (%s) "
1453 "(%s)\n", dn, ld_errno,
1454 ldap_err2string(rc),
1455 ld_error ? ld_error : "unknown"));
1456 SAFE_FREE(ld_error);
1458 if (ld_errno == LDAP_SERVER_DOWN) {
1459 ldap_unbind(ldap_state->ldap_struct);
1460 ldap_state->ldap_struct = NULL;
1469 int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
1471 int rc = LDAP_SERVER_DOWN;
1474 time_t endtime = time(NULL)+lp_ldap_timeout();
1476 SMB_ASSERT(ldap_state);
1478 DEBUG(5,("smbldap_delete: dn => [%s]\n", dn ));
1480 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1481 return LDAP_NO_MEMORY;
1484 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1485 rc = ldap_delete_s(ldap_state->ldap_struct, utf8_dn);
1486 if (rc != LDAP_SUCCESS) {
1487 char *ld_error = NULL;
1490 ldap_get_option(ldap_state->ldap_struct,
1491 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1493 ldap_get_option(ldap_state->ldap_struct,
1494 LDAP_OPT_ERROR_STRING, &ld_error);
1495 DEBUG(10, ("Failed to delete dn: %s, error: %d (%s) "
1496 "(%s)\n", dn, ld_errno,
1497 ldap_err2string(rc),
1498 ld_error ? ld_error : "unknown"));
1499 SAFE_FREE(ld_error);
1501 if (ld_errno == LDAP_SERVER_DOWN) {
1502 ldap_unbind(ldap_state->ldap_struct);
1503 ldap_state->ldap_struct = NULL;
1512 int smbldap_extended_operation(struct smbldap_state *ldap_state,
1513 LDAP_CONST char *reqoid, struct berval *reqdata,
1514 LDAPControl **serverctrls, LDAPControl **clientctrls,
1515 char **retoidp, struct berval **retdatap)
1517 int rc = LDAP_SERVER_DOWN;
1519 time_t endtime = time(NULL)+lp_ldap_timeout();
1524 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1525 rc = ldap_extended_operation_s(ldap_state->ldap_struct, reqoid,
1526 reqdata, serverctrls,
1527 clientctrls, retoidp, retdatap);
1528 if (rc != LDAP_SUCCESS) {
1529 char *ld_error = NULL;
1532 ldap_get_option(ldap_state->ldap_struct,
1533 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1535 ldap_get_option(ldap_state->ldap_struct,
1536 LDAP_OPT_ERROR_STRING, &ld_error);
1537 DEBUG(10, ("Extended operation failed with error: "
1538 "%d (%s) (%s)\n", ld_errno,
1539 ldap_err2string(rc),
1540 ld_error ? ld_error : "unknown"));
1541 SAFE_FREE(ld_error);
1543 if (ld_errno == LDAP_SERVER_DOWN) {
1544 ldap_unbind(ldap_state->ldap_struct);
1545 ldap_state->ldap_struct = NULL;
1553 /*******************************************************************
1554 run the search by name.
1555 ******************************************************************/
1556 int smbldap_search_suffix (struct smbldap_state *ldap_state,
1557 const char *filter, const char **search_attr,
1558 LDAPMessage ** result)
1560 return smbldap_search(ldap_state, lp_ldap_suffix(), LDAP_SCOPE_SUBTREE,
1561 filter, search_attr, 0, result);
1564 static void smbldap_idle_fn(struct event_context *event_ctx,
1565 struct timed_event *te,
1566 const struct timeval *now,
1569 struct smbldap_state *state = (struct smbldap_state *)private_data;
1571 TALLOC_FREE(state->idle_event);
1573 if (state->ldap_struct == NULL) {
1574 DEBUG(10,("ldap connection not connected...\n"));
1578 if ((state->last_use+SMBLDAP_IDLE_TIME) > now->tv_sec) {
1579 DEBUG(10,("ldap connection not idle...\n"));
1581 state->idle_event = event_add_timed(
1583 timeval_add(now, SMBLDAP_IDLE_TIME, 0),
1584 "smbldap_idle_fn", smbldap_idle_fn,
1589 DEBUG(7,("ldap connection idle...closing connection\n"));
1590 smbldap_close(state);
1593 /**********************************************************************
1595 *********************************************************************/
1597 void smbldap_free_struct(struct smbldap_state **ldap_state)
1599 smbldap_close(*ldap_state);
1601 if ((*ldap_state)->bind_secret) {
1602 memset((*ldap_state)->bind_secret, '\0', strlen((*ldap_state)->bind_secret));
1605 SAFE_FREE((*ldap_state)->bind_dn);
1606 SAFE_FREE((*ldap_state)->bind_secret);
1608 TALLOC_FREE((*ldap_state)->idle_event);
1612 /* No need to free any further, as it is talloc()ed */
1616 /**********************************************************************
1617 Intitalise the 'general' ldap structures, on which ldap operations may be conducted
1618 *********************************************************************/
1620 NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx, struct event_context *event_ctx,
1621 const char *location,
1622 struct smbldap_state **smbldap_state)
1624 *smbldap_state = TALLOC_ZERO_P(mem_ctx, struct smbldap_state);
1625 if (!*smbldap_state) {
1626 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1627 return NT_STATUS_NO_MEMORY;
1631 (*smbldap_state)->uri = talloc_strdup(mem_ctx, location);
1633 (*smbldap_state)->uri = "ldap://localhost";
1636 (*smbldap_state)->event_context = event_ctx;
1638 return NT_STATUS_OK;
1641 /*******************************************************************
1642 Return a copy of the DN for a LDAPMessage. Convert from utf8 to CH_UNIX.
1643 ********************************************************************/
1644 char *smbldap_get_dn(LDAP *ld, LDAPMessage *entry)
1646 char *utf8_dn, *unix_dn;
1648 utf8_dn = ldap_get_dn(ld, entry);
1650 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1653 if (pull_utf8_allocate(&unix_dn, utf8_dn) == (size_t)-1) {
1654 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 [%s]\n", utf8_dn));
1657 ldap_memfree(utf8_dn);
1661 const char *smbldap_talloc_dn(TALLOC_CTX *mem_ctx, LDAP *ld,
1664 char *utf8_dn, *unix_dn;
1666 utf8_dn = ldap_get_dn(ld, entry);
1668 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1671 if (pull_utf8_talloc(mem_ctx, &unix_dn, utf8_dn) == (size_t)-1) {
1672 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 "
1673 "[%s]\n", utf8_dn));
1676 ldap_memfree(utf8_dn);
1680 /*******************************************************************
1681 Check if root-dse has a certain Control or Extension
1682 ********************************************************************/
1684 static BOOL smbldap_check_root_dse(LDAP *ld, const char **attrs, const char *value)
1686 LDAPMessage *msg = NULL;
1687 LDAPMessage *entry = NULL;
1688 char **values = NULL;
1689 int rc, num_result, num_values, i;
1690 BOOL result = False;
1693 DEBUG(3,("smbldap_check_root_dse: nothing to look for\n"));
1697 if (!strequal(attrs[0], "supportedExtension") &&
1698 !strequal(attrs[0], "supportedControl") &&
1699 !strequal(attrs[0], "namingContexts")) {
1700 DEBUG(3,("smbldap_check_root_dse: no idea what to query root-dse for: %s ?\n", attrs[0]));
1704 rc = ldap_search_s(ld, "", LDAP_SCOPE_BASE,
1705 "(objectclass=*)", CONST_DISCARD(char **, attrs), 0 , &msg);
1707 if (rc != LDAP_SUCCESS) {
1708 DEBUG(3,("smbldap_check_root_dse: Could not search rootDSE\n"));
1712 num_result = ldap_count_entries(ld, msg);
1714 if (num_result != 1) {
1715 DEBUG(3,("smbldap_check_root_dse: Expected one rootDSE, got %d\n", num_result));
1719 entry = ldap_first_entry(ld, msg);
1721 if (entry == NULL) {
1722 DEBUG(3,("smbldap_check_root_dse: Could not retrieve rootDSE\n"));
1726 values = ldap_get_values(ld, entry, attrs[0]);
1728 if (values == NULL) {
1729 DEBUG(5,("smbldap_check_root_dse: LDAP Server does not support any %s\n", attrs[0]));
1733 num_values = ldap_count_values(values);
1735 if (num_values == 0) {
1736 DEBUG(5,("smbldap_check_root_dse: LDAP Server does not have any %s\n", attrs[0]));
1740 for (i=0; i<num_values; i++) {
1741 if (strcmp(values[i], value) == 0)
1748 ldap_value_free(values);
1756 /*******************************************************************
1757 Check if LDAP-Server supports a certain Control (OID in string format)
1758 ********************************************************************/
1760 BOOL smbldap_has_control(LDAP *ld, const char *control)
1762 const char *attrs[] = { "supportedControl", NULL };
1763 return smbldap_check_root_dse(ld, attrs, control);
1766 /*******************************************************************
1767 Check if LDAP-Server supports a certain Extension (OID in string format)
1768 ********************************************************************/
1770 BOOL smbldap_has_extension(LDAP *ld, const char *extension)
1772 const char *attrs[] = { "supportedExtension", NULL };
1773 return smbldap_check_root_dse(ld, attrs, extension);
1776 /*******************************************************************
1777 Check if LDAP-Server holds a given namingContext
1778 ********************************************************************/
1780 BOOL smbldap_has_naming_context(LDAP *ld, const char *naming_context)
1782 const char *attrs[] = { "namingContexts", NULL };
1783 return smbldap_check_root_dse(ld, attrs, naming_context);
1786 BOOL smbldap_set_creds(struct smbldap_state *ldap_state, BOOL anon, const char *dn, const char *secret)
1788 ldap_state->anonymous = anon;
1790 /* free any previously set credential */
1792 SAFE_FREE(ldap_state->bind_dn);
1793 if (ldap_state->bind_secret) {
1794 /* make sure secrets are zeroed out of memory */
1795 memset(ldap_state->bind_secret, '\0', strlen(ldap_state->bind_secret));
1796 SAFE_FREE(ldap_state->bind_secret);
1800 ldap_state->bind_dn = SMB_STRDUP(dn);
1801 ldap_state->bind_secret = SMB_STRDUP(secret);