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 3 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, see <http://www.gnu.org/licenses/>.
28 #ifndef LDAP_OPT_SUCCESS
29 #define LDAP_OPT_SUCCESS 0
32 /* Try not to hit the up or down server forever */
34 #define SMBLDAP_DONT_PING_TIME 10 /* ping only all 10 seconds */
35 #define SMBLDAP_NUM_RETRIES 8 /* retry only 8 times */
37 #define SMBLDAP_IDLE_TIME 150 /* After 2.5 minutes disconnect */
40 /* attributes used by Samba 2.2 */
42 ATTRIB_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 }
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_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 }
133 ATTRIB_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 }
160 /* attributes used for allocating RIDs */
162 ATTRIB_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 },
173 /* Samba 3.0 group mapping attributes */
175 ATTRIB_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 }
187 ATTRIB_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 }
196 /* idmap_ldap sambaUnixIdPool */
198 ATTRIB_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 }
205 ATTRIB_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 }
213 /**********************************************************************
214 perform a simple table lookup and return the attribute name
215 **********************************************************************/
217 const char* get_attr_key2string( ATTRIB_MAP_ENTRY table[], int key )
221 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
222 if ( table[i].attrib == key )
223 return table[i].name;
231 /**********************************************************************
232 Return the list of attribute names from a mapping table
233 **********************************************************************/
235 const char** get_attr_list( TALLOC_CTX *mem_ctx, ATTRIB_MAP_ENTRY table[] )
240 while ( table[i].attrib != LDAP_ATTR_LIST_END )
244 names = TALLOC_ARRAY( mem_ctx, const char*, i );
246 DEBUG(0,("get_attr_list: out of memory\n"));
251 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
252 names[i] = talloc_strdup( names, table[i].name );
260 /*******************************************************************
261 Search an attribute and return the first value found.
262 ******************************************************************/
264 bool smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
265 const char *attribute, char *value,
275 if ((values = ldap_get_values (ldap_struct, entry, attribute)) == NULL) {
276 DEBUG (10, ("smbldap_get_single_attribute: [%s] = [<does not exist>]\n", attribute));
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);
288 ldap_value_free(values);
289 #ifdef DEBUG_PASSWORDS
290 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n", attribute, value));
295 char * smbldap_talloc_single_attribute(LDAP *ldap_struct, LDAPMessage *entry,
296 const char *attribute,
301 size_t converted_size;
303 if (attribute == NULL) {
307 values = ldap_get_values(ldap_struct, entry, attribute);
309 if (values == NULL) {
310 DEBUG(10, ("attribute %s does not exist\n", attribute));
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);
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);
327 ldap_value_free(values);
329 #ifdef DEBUG_PASSWORDS
330 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n",
336 char * smbldap_talloc_smallest_attribute(LDAP *ldap_struct, LDAPMessage *entry,
337 const char *attribute,
342 size_t converted_size;
345 if (attribute == NULL) {
349 values = ldap_get_values(ldap_struct, entry, attribute);
351 if (values == NULL) {
352 DEBUG(10, ("attribute %s does not exist\n", attribute));
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);
362 num_values = ldap_count_values(values);
364 for (i=1; i<num_values; i++) {
367 if (!pull_utf8_talloc(mem_ctx, &tmp, values[i],
369 DEBUG(10, ("pull_utf8_talloc failed\n"));
371 ldap_value_free(values);
375 if (StrCaseCmp(tmp, result) < 0) {
383 ldap_value_free(values);
385 #ifdef DEBUG_PASSWORDS
386 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n",
392 static int ldapmsg_destructor(LDAPMessage **result) {
393 ldap_msgfree(*result);
397 void talloc_autofree_ldapmsg(TALLOC_CTX *mem_ctx, LDAPMessage *result)
399 LDAPMessage **handle;
401 if (result == NULL) {
405 handle = TALLOC_P(mem_ctx, LDAPMessage *);
406 SMB_ASSERT(handle != NULL);
409 talloc_set_destructor(handle, ldapmsg_destructor);
412 static int ldapmod_destructor(LDAPMod ***mod) {
413 ldap_mods_free(*mod, True);
417 void talloc_autofree_ldapmod(TALLOC_CTX *mem_ctx, LDAPMod **mod)
425 handle = TALLOC_P(mem_ctx, LDAPMod **);
426 SMB_ASSERT(handle != NULL);
429 talloc_set_destructor(handle, ldapmod_destructor);
432 /************************************************************************
433 Routine to manage the LDAPMod structure array
434 manage memory used by the array, by each struct, and values
435 ***********************************************************************/
437 void smbldap_set_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
445 /* sanity checks on the mod values */
447 if (attribute == NULL || *attribute == '\0') {
451 #if 0 /* commented out after discussion with abartlet. Do not reenable.
452 left here so other do not re-add similar code --jerry */
453 if (value == NULL || *value == '\0')
458 mods = SMB_MALLOC_P(LDAPMod *);
460 smb_panic("smbldap_set_mod: out of memory!");
466 for (i = 0; mods[i] != NULL; ++i) {
467 if (mods[i]->mod_op == modop && strequal(mods[i]->mod_type, attribute))
471 if (mods[i] == NULL) {
472 mods = SMB_REALLOC_ARRAY (mods, LDAPMod *, i + 2);
474 smb_panic("smbldap_set_mod: out of memory!");
477 mods[i] = SMB_MALLOC_P(LDAPMod);
478 if (mods[i] == NULL) {
479 smb_panic("smbldap_set_mod: out of memory!");
482 mods[i]->mod_op = modop;
483 mods[i]->mod_values = NULL;
484 mods[i]->mod_type = SMB_STRDUP(attribute);
489 char *utf8_value = NULL;
490 size_t converted_size;
493 if (mods[i]->mod_values != NULL) {
494 for (; mods[i]->mod_values[j] != NULL; j++);
496 mods[i]->mod_values = SMB_REALLOC_ARRAY(mods[i]->mod_values, char *, j + 2);
498 if (mods[i]->mod_values == NULL) {
499 smb_panic("smbldap_set_mod: out of memory!");
503 if (!push_utf8_talloc(talloc_tos(), &utf8_value, value, &converted_size)) {
504 smb_panic("smbldap_set_mod: String conversion failure!");
509 mods[i]->mod_values[j] = SMB_STRDUP(utf8_value);
510 TALLOC_FREE(utf8_value);
511 SMB_ASSERT(mods[i]->mod_values[j] != NULL);
513 mods[i]->mod_values[j + 1] = NULL;
518 /**********************************************************************
519 Set attribute to newval in LDAP, regardless of what value the
520 attribute had in LDAP before.
521 *********************************************************************/
523 void smbldap_make_mod(LDAP *ldap_struct, LDAPMessage *existing,
525 const char *attribute, const char *newval)
527 char oldval[2048]; /* current largest allowed value is mungeddial */
530 if (attribute == NULL) {
531 /* This can actually happen for ldapsam_compat where we for
532 * example don't have a password history */
536 if (existing != NULL) {
537 existed = smbldap_get_single_attribute(ldap_struct, existing, attribute, oldval, sizeof(oldval));
543 /* all of our string attributes are case insensitive */
545 if (existed && newval && (StrCaseCmp(oldval, newval) == 0)) {
547 /* Believe it or not, but LDAP will deny a delete and
548 an add at the same time if the values are the
550 DEBUG(10,("smbldap_make_mod: attribute |%s| not changed.\n", attribute));
555 /* There has been no value before, so don't delete it.
556 * Here's a possible race: We might end up with
557 * duplicate attributes */
558 /* By deleting exactly the value we found in the entry this
559 * should be race-free in the sense that the LDAP-Server will
560 * deny the complete operation if somebody changed the
561 * attribute behind our back. */
562 /* This will also allow modifying single valued attributes
563 * in Novell NDS. In NDS you have to first remove attribute and then
564 * you could add new value */
566 DEBUG(10,("smbldap_make_mod: deleting attribute |%s| values |%s|\n", attribute, oldval));
567 smbldap_set_mod(mods, LDAP_MOD_DELETE, attribute, oldval);
570 /* Regardless of the real operation (add or modify)
571 we add the new value here. We rely on deleting
572 the old value, should it exist. */
574 if ((newval != NULL) && (strlen(newval) > 0)) {
575 DEBUG(10,("smbldap_make_mod: adding attribute |%s| value |%s|\n", attribute, newval));
576 smbldap_set_mod(mods, LDAP_MOD_ADD, attribute, newval);
580 /**********************************************************************
581 Some varients of the LDAP rebind code do not pass in the third 'arg'
582 pointer to a void*, so we try and work around it by assuming that the
583 value of the 'LDAP *' pointer is the same as the one we had passed in
584 **********************************************************************/
586 struct smbldap_state_lookup {
588 struct smbldap_state *smbldap_state;
589 struct smbldap_state_lookup *prev, *next;
592 static struct smbldap_state_lookup *smbldap_state_lookup_list;
594 static struct smbldap_state *smbldap_find_state(LDAP *ld)
596 struct smbldap_state_lookup *t;
598 for (t = smbldap_state_lookup_list; t; t = t->next) {
600 return t->smbldap_state;
606 static void smbldap_delete_state(struct smbldap_state *smbldap_state)
608 struct smbldap_state_lookup *t;
610 for (t = smbldap_state_lookup_list; t; t = t->next) {
611 if (t->smbldap_state == smbldap_state) {
612 DLIST_REMOVE(smbldap_state_lookup_list, t);
619 static void smbldap_store_state(LDAP *ld, struct smbldap_state *smbldap_state)
621 struct smbldap_state *tmp_ldap_state;
622 struct smbldap_state_lookup *t;
624 if ((tmp_ldap_state = smbldap_find_state(ld))) {
625 SMB_ASSERT(tmp_ldap_state == smbldap_state);
629 t = SMB_XMALLOC_P(struct smbldap_state_lookup);
632 DLIST_ADD_END(smbldap_state_lookup_list, t, struct smbldap_state_lookup *);
634 t->smbldap_state = smbldap_state;
637 /********************************************************************
638 start TLS on an existing LDAP connection
639 *******************************************************************/
641 int smb_ldap_start_tls(LDAP *ldap_struct, int version)
643 #ifdef LDAP_OPT_X_TLS
647 if (lp_ldap_ssl() != LDAP_SSL_START_TLS) {
651 #ifdef LDAP_OPT_X_TLS
652 if (version != LDAP_VERSION3) {
653 DEBUG(0, ("Need LDAPv3 for Start TLS\n"));
654 return LDAP_OPERATIONS_ERROR;
657 if ((rc = ldap_start_tls_s (ldap_struct, NULL, NULL)) != LDAP_SUCCESS) {
658 DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
659 ldap_err2string(rc)));
663 DEBUG (3, ("StartTLS issued: using a TLS connection\n"));
666 DEBUG(0,("StartTLS not supported by LDAP client libraries!\n"));
667 return LDAP_OPERATIONS_ERROR;
671 /********************************************************************
672 setup a connection to the LDAP server based on a uri
673 *******************************************************************/
675 int smb_ldap_setup_conn(LDAP **ldap_struct, const char *uri)
679 DEBUG(10, ("smb_ldap_setup_connection: %s\n", uri));
681 #ifdef HAVE_LDAP_INITIALIZE
683 rc = ldap_initialize(ldap_struct, uri);
685 DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc)));
691 /* Parse the string manually */
697 SMB_ASSERT(sizeof(protocol)>10 && sizeof(host)>254);
700 /* skip leading "URL:" (if any) */
701 if ( strnequal( uri, "URL:", 4 ) ) {
705 sscanf(uri, "%10[^:]://%254[^:/]:%d", protocol, host, &port);
708 if (strequal(protocol, "ldap")) {
710 } else if (strequal(protocol, "ldaps")) {
713 DEBUG(0, ("unrecognised protocol (%s)!\n", protocol));
717 if ((*ldap_struct = ldap_init(host, port)) == NULL) {
718 DEBUG(0, ("ldap_init failed !\n"));
719 return LDAP_OPERATIONS_ERROR;
722 if (strequal(protocol, "ldaps")) {
723 #ifdef LDAP_OPT_X_TLS
724 int tls = LDAP_OPT_X_TLS_HARD;
725 if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
727 DEBUG(0, ("Failed to setup a TLS session\n"));
730 DEBUG(3,("LDAPS option set...!\n"));
732 DEBUG(0,("smbldap_open_connection: Secure connection not supported by LDAP client libraries!\n"));
733 return LDAP_OPERATIONS_ERROR;
734 #endif /* LDAP_OPT_X_TLS */
737 #endif /* HAVE_LDAP_INITIALIZE */
740 /* now set connection timeout */
741 #ifdef LDAP_X_OPT_CONNECT_TIMEOUT /* Netscape */
743 int ct = lp_ldap_connection_timeout()*1000;
744 rc = ldap_set_option(*ldap_struct, LDAP_X_OPT_CONNECT_TIMEOUT, &ct);
745 if (rc != LDAP_SUCCESS) {
746 DEBUG(0,("Failed to setup an ldap connection timeout %d: %s\n",
747 ct, ldap_err2string(rc)));
750 #elif defined (LDAP_OPT_NETWORK_TIMEOUT) /* OpenLDAP */
754 ct.tv_sec = lp_ldap_connection_timeout();
755 rc = ldap_set_option(*ldap_struct, LDAP_OPT_NETWORK_TIMEOUT, &ct);
756 if (rc != LDAP_SUCCESS) {
757 DEBUG(0,("Failed to setup an ldap connection timeout %d: %s\n",
758 (int)ct.tv_sec, ldap_err2string(rc)));
766 /********************************************************************
767 try to upgrade to Version 3 LDAP if not already, in either case return current
769 *******************************************************************/
771 int smb_ldap_upgrade_conn(LDAP *ldap_struct, int *new_version)
776 /* assume the worst */
777 *new_version = LDAP_VERSION2;
779 rc = ldap_get_option(ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version);
784 if (version == LDAP_VERSION3) {
785 *new_version = LDAP_VERSION3;
790 version = LDAP_VERSION3;
791 rc = ldap_set_option (ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version);
796 *new_version = LDAP_VERSION3;
800 /*******************************************************************
801 open a connection to the ldap server (just until the bind)
802 ******************************************************************/
804 int smb_ldap_setup_full_conn(LDAP **ldap_struct, const char *uri)
808 rc = smb_ldap_setup_conn(ldap_struct, uri);
813 rc = smb_ldap_upgrade_conn(*ldap_struct, &version);
818 rc = smb_ldap_start_tls(*ldap_struct, version);
826 /*******************************************************************
827 open a connection to the ldap server.
828 ******************************************************************/
829 static int smbldap_open_connection (struct smbldap_state *ldap_state)
832 int rc = LDAP_SUCCESS;
834 LDAP **ldap_struct = &ldap_state->ldap_struct;
836 rc = smb_ldap_setup_conn(ldap_struct, ldap_state->uri);
841 /* Store the LDAP pointer in a lookup list */
843 smbldap_store_state(*ldap_struct, ldap_state);
845 /* Upgrade to LDAPv3 if possible */
847 rc = smb_ldap_upgrade_conn(*ldap_struct, &version);
852 /* Start TLS if required */
854 rc = smb_ldap_start_tls(*ldap_struct, version);
859 DEBUG(2, ("smbldap_open_connection: connection opened\n"));
863 /*******************************************************************
864 a rebind function for authenticated referrals
865 This version takes a void* that we can shove useful stuff in :-)
866 ******************************************************************/
867 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
869 static int rebindproc_with_state (LDAP * ld, char **whop, char **credp,
870 int *methodp, int freeit, void *arg)
872 struct smbldap_state *ldap_state = arg;
874 /** @TODO Should we be doing something to check what servers we rebind to?
875 Could we get a referral to a machine that we don't want to give our
876 username and password to? */
881 memset(*credp, '\0', strlen(*credp));
885 DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n",
886 ldap_state->bind_dn?ldap_state->bind_dn:"[Anonymous bind]"));
888 if (ldap_state->anonymous) {
892 *whop = SMB_STRDUP(ldap_state->bind_dn);
894 return LDAP_NO_MEMORY;
896 *credp = SMB_STRDUP(ldap_state->bind_secret);
899 return LDAP_NO_MEMORY;
902 *methodp = LDAP_AUTH_SIMPLE;
905 GetTimeOfDay(&ldap_state->last_rebind);
909 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
911 /*******************************************************************
912 a rebind function for authenticated referrals
913 This version takes a void* that we can shove useful stuff in :-)
914 and actually does the connection.
915 ******************************************************************/
916 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
917 static int rebindproc_connect_with_state (LDAP *ldap_struct,
918 LDAP_CONST char *url,
920 ber_int_t msgid, void *arg)
922 struct smbldap_state *ldap_state =
923 (struct smbldap_state *)arg;
927 DEBUG(5,("rebindproc_connect_with_state: Rebinding to %s as \"%s\"\n",
928 url, ldap_state->bind_dn?ldap_state->bind_dn:"[Anonymous bind]"));
930 /* call START_TLS again (ldaps:// is handled by the OpenLDAP library
931 * itself) before rebinding to another LDAP server to avoid to expose
932 * our credentials. At least *try* to secure the connection - Guenther */
934 smb_ldap_upgrade_conn(ldap_struct, &version);
935 smb_ldap_start_tls(ldap_struct, version);
937 /** @TODO Should we be doing something to check what servers we rebind to?
938 Could we get a referral to a machine that we don't want to give our
939 username and password to? */
941 rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
943 /* only set the last rebind timestamp when we did rebind after a
944 * non-read LDAP operation. That way we avoid the replication sleep
945 * after a simple redirected search operation - Guenther */
949 case LDAP_REQ_MODIFY:
951 case LDAP_REQ_DELETE:
953 case LDAP_REQ_EXTENDED:
954 DEBUG(10,("rebindproc_connect_with_state: "
955 "setting last_rebind timestamp "
956 "(req: 0x%02x)\n", (unsigned int)request));
957 GetTimeOfDay(&ldap_state->last_rebind);
960 ZERO_STRUCT(ldap_state->last_rebind);
966 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
968 /*******************************************************************
969 Add a rebind function for authenticated referrals
970 ******************************************************************/
971 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
973 # if LDAP_SET_REBIND_PROC_ARGS == 2
974 static int rebindproc (LDAP *ldap_struct, char **whop, char **credp,
975 int *method, int freeit )
977 struct smbldap_state *ldap_state = smbldap_find_state(ldap_struct);
979 return rebindproc_with_state(ldap_struct, whop, credp,
980 method, freeit, ldap_state);
983 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
984 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
986 /*******************************************************************
987 a rebind function for authenticated referrals
988 this also does the connection, but no void*.
989 ******************************************************************/
990 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
991 # if LDAP_SET_REBIND_PROC_ARGS == 2
992 static int rebindproc_connect (LDAP * ld, LDAP_CONST char *url, int request,
995 struct smbldap_state *ldap_state = smbldap_find_state(ld);
997 return rebindproc_connect_with_state(ld, url, (ber_tag_t)request, msgid,
1000 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
1001 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1003 /*******************************************************************
1004 connect to the ldap server under system privilege.
1005 ******************************************************************/
1006 static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_struct)
1011 if (!ldap_state->anonymous && !ldap_state->bind_dn) {
1013 /* get the default dn and password only if they are not set already */
1014 if (!fetch_ldap_pw(&ldap_state->bind_dn, &ldap_state->bind_secret)) {
1015 DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
1016 return LDAP_INVALID_CREDENTIALS;
1020 /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
1021 (OpenLDAP) doesnt' seem to support it */
1023 DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
1024 ldap_state->uri, ldap_state->bind_dn));
1026 #ifdef HAVE_LDAP_SET_REBIND_PROC
1027 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
1028 # if LDAP_SET_REBIND_PROC_ARGS == 2
1029 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect);
1031 # if LDAP_SET_REBIND_PROC_ARGS == 3
1032 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect_with_state, (void *)ldap_state);
1034 #else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1035 # if LDAP_SET_REBIND_PROC_ARGS == 2
1036 ldap_set_rebind_proc(ldap_struct, &rebindproc);
1038 # if LDAP_SET_REBIND_PROC_ARGS == 3
1039 ldap_set_rebind_proc(ldap_struct, &rebindproc_with_state, (void *)ldap_state);
1041 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1044 rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
1046 if (rc != LDAP_SUCCESS) {
1047 char *ld_error = NULL;
1048 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1050 DEBUG(ldap_state->num_failures ? 2 : 0,
1051 ("failed to bind to server %s with dn=\"%s\" Error: %s\n\t%s\n",
1053 ldap_state->bind_dn ? ldap_state->bind_dn : "[Anonymous bind]",
1054 ldap_err2string(rc),
1055 ld_error ? ld_error : "(unknown)"));
1056 SAFE_FREE(ld_error);
1057 ldap_state->num_failures++;
1061 ldap_state->num_failures = 0;
1062 ldap_state->paged_results = False;
1064 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version);
1066 if (smbldap_has_control(ldap_state->ldap_struct, ADS_PAGE_CTL_OID) && version == 3) {
1067 ldap_state->paged_results = True;
1070 DEBUG(3, ("ldap_connect_system: successful connection to the LDAP server\n"));
1071 DEBUGADD(10, ("ldap_connect_system: LDAP server %s support paged results\n",
1072 ldap_state->paged_results ? "does" : "does not"));
1076 static void smbldap_idle_fn(struct event_context *event_ctx,
1077 struct timed_event *te,
1079 void *private_data);
1081 /**********************************************************************
1082 Connect to LDAP server (called before every ldap operation)
1083 *********************************************************************/
1084 static int smbldap_open(struct smbldap_state *ldap_state)
1087 bool reopen = False;
1088 SMB_ASSERT(ldap_state);
1090 if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + SMBLDAP_DONT_PING_TIME) < time(NULL))) {
1092 #ifdef HAVE_UNIXSOCKET
1093 struct sockaddr_un addr;
1095 struct sockaddr addr;
1097 socklen_t len = sizeof(addr);
1100 opt_rc = ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_DESC, &sd);
1101 if (opt_rc == 0 && (getpeername(sd, (struct sockaddr *) &addr, &len)) < 0 )
1104 #ifdef HAVE_UNIXSOCKET
1105 if (opt_rc == 0 && addr.sun_family == AF_UNIX)
1109 /* the other end has died. reopen. */
1110 ldap_unbind(ldap_state->ldap_struct);
1111 ldap_state->ldap_struct = NULL;
1112 ldap_state->last_ping = (time_t)0;
1114 ldap_state->last_ping = time(NULL);
1118 if (ldap_state->ldap_struct != NULL) {
1119 DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
1120 return LDAP_SUCCESS;
1123 if ((rc = smbldap_open_connection(ldap_state))) {
1127 if ((rc = smbldap_connect_system(ldap_state, ldap_state->ldap_struct))) {
1128 ldap_unbind(ldap_state->ldap_struct);
1129 ldap_state->ldap_struct = NULL;
1134 ldap_state->last_ping = time(NULL);
1135 ldap_state->pid = sys_getpid();
1137 TALLOC_FREE(ldap_state->idle_event);
1139 if (ldap_state->event_context != NULL) {
1140 ldap_state->idle_event = event_add_timed(
1141 ldap_state->event_context, NULL,
1142 timeval_current_ofs(SMBLDAP_IDLE_TIME, 0),
1143 smbldap_idle_fn, ldap_state);
1146 DEBUG(4,("The LDAP server is successfully connected\n"));
1148 return LDAP_SUCCESS;
1151 /**********************************************************************
1152 Disconnect from LDAP server
1153 *********************************************************************/
1154 static NTSTATUS smbldap_close(struct smbldap_state *ldap_state)
1157 return NT_STATUS_INVALID_PARAMETER;
1159 if (ldap_state->ldap_struct != NULL) {
1160 ldap_unbind(ldap_state->ldap_struct);
1161 ldap_state->ldap_struct = NULL;
1164 smbldap_delete_state(ldap_state);
1166 DEBUG(5,("The connection to the LDAP server was closed\n"));
1167 /* maybe free the results here --metze */
1169 return NT_STATUS_OK;
1172 static bool got_alarm;
1174 static void (*old_handler)(int);
1176 static void gotalarm_sig(int dummy)
1181 static int another_ldap_try(struct smbldap_state *ldap_state, int *rc,
1182 int *attempts, time_t endtime)
1184 time_t now = time(NULL);
1185 int open_rc = LDAP_SERVER_DOWN;
1187 if (*rc != LDAP_SERVER_DOWN)
1190 if (now >= endtime) {
1191 smbldap_close(ldap_state);
1196 if (*attempts == 0) {
1198 old_handler = CatchSignal(SIGALRM, gotalarm_sig);
1199 alarm(endtime - now);
1201 if (ldap_state->pid != sys_getpid())
1202 smbldap_close(ldap_state);
1212 open_rc = smbldap_open(ldap_state);
1214 if (open_rc == LDAP_SUCCESS) {
1215 ldap_state->last_use = now;
1219 if (open_rc == LDAP_INSUFFICIENT_ACCESS) {
1220 /* The fact that we are non-root or any other
1221 * access-denied condition will not change in the next
1222 * round of trying */
1232 if (open_rc != LDAP_SUCCESS) {
1233 DEBUG(1, ("Connection to LDAP server failed for the "
1234 "%d try!\n", *attempts));
1239 CatchSignal(SIGALRM, old_handler);
1241 ldap_state->last_use = now;
1245 /*********************************************************************
1246 ********************************************************************/
1248 static int smbldap_search_ext(struct smbldap_state *ldap_state,
1249 const char *base, int scope, const char *filter,
1250 const char *attrs[], int attrsonly,
1251 LDAPControl **sctrls, LDAPControl **cctrls,
1252 int sizelimit, LDAPMessage **res)
1254 int rc = LDAP_SERVER_DOWN;
1257 time_t endtime = time(NULL)+lp_ldap_timeout();
1258 struct timeval timeout;
1259 size_t converted_size;
1261 SMB_ASSERT(ldap_state);
1263 DEBUG(5,("smbldap_search_ext: base => [%s], filter => [%s], "
1264 "scope => [%d]\n", base, filter, scope));
1266 if (ldap_state->last_rebind.tv_sec > 0) {
1267 struct timeval tval;
1272 GetTimeOfDay(&tval);
1274 tdiff = usec_time_diff(&tval, &ldap_state->last_rebind);
1275 tdiff /= 1000; /* Convert to milliseconds. */
1277 sleep_time = lp_ldap_replication_sleep()-(int)tdiff;
1278 sleep_time = MIN(sleep_time, MAX_LDAP_REPLICATION_SLEEP_TIME);
1280 if (sleep_time > 0) {
1281 /* we wait for the LDAP replication */
1282 DEBUG(5,("smbldap_search_ext: waiting %d milliseconds "
1283 "for LDAP replication.\n",sleep_time));
1284 smb_msleep(sleep_time);
1285 DEBUG(5,("smbldap_search_ext: go on!\n"));
1287 ZERO_STRUCT(ldap_state->last_rebind);
1290 if (!push_utf8_talloc(talloc_tos(), &utf8_filter, filter, &converted_size)) {
1291 return LDAP_NO_MEMORY;
1294 /* Setup timeout for the ldap_search_ext_s call - local and remote. */
1295 timeout.tv_sec = lp_ldap_timeout();
1296 timeout.tv_usec = 0;
1298 /* Setup alarm timeout.... Do we need both of these ? JRA.
1299 * Yes, I think we do need both of these. The server timeout only
1300 * covers the case where the server's operation takes too long. It
1301 * does not cover the case where the request hangs on its way to the
1302 * server. The server side timeout is not strictly necessary, it's
1303 * just a bit more kind to the server. VL. */
1306 CatchSignal(SIGALRM, SIGNAL_CAST gotalarm_sig);
1307 alarm(lp_ldap_timeout());
1308 /* End setup timeout. */
1310 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1311 rc = ldap_search_ext_s(ldap_state->ldap_struct, base, scope,
1313 CONST_DISCARD(char **, attrs),
1314 attrsonly, sctrls, cctrls, &timeout,
1316 if (rc != LDAP_SUCCESS) {
1317 char *ld_error = NULL;
1320 ldap_get_option(ldap_state->ldap_struct,
1321 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1323 ldap_get_option(ldap_state->ldap_struct,
1324 LDAP_OPT_ERROR_STRING, &ld_error);
1325 DEBUG(10, ("Failed search for base: %s, error: %d (%s) "
1326 "(%s)\n", base, ld_errno,
1327 ldap_err2string(rc),
1328 ld_error ? ld_error : "unknown"));
1329 SAFE_FREE(ld_error);
1331 if (ld_errno == LDAP_SERVER_DOWN) {
1332 ldap_unbind(ldap_state->ldap_struct);
1333 ldap_state->ldap_struct = NULL;
1338 TALLOC_FREE(utf8_filter);
1340 /* Teardown timeout. */
1341 CatchSignal(SIGALRM, SIGNAL_CAST SIG_IGN);
1345 return LDAP_TIMELIMIT_EXCEEDED;
1350 int smbldap_search(struct smbldap_state *ldap_state,
1351 const char *base, int scope, const char *filter,
1352 const char *attrs[], int attrsonly,
1355 return smbldap_search_ext(ldap_state, base, scope, filter, attrs,
1356 attrsonly, NULL, NULL, LDAP_NO_LIMIT, res);
1359 int smbldap_search_paged(struct smbldap_state *ldap_state,
1360 const char *base, int scope, const char *filter,
1361 const char **attrs, int attrsonly, int pagesize,
1362 LDAPMessage **res, void **cookie)
1365 LDAPControl **rcontrols;
1366 LDAPControl *controls[2] = { NULL, NULL};
1367 BerElement *cookie_be = NULL;
1368 struct berval *cookie_bv = NULL;
1370 bool critical = True;
1374 DEBUG(3,("smbldap_search_paged: base => [%s], filter => [%s],"
1375 "scope => [%d], pagesize => [%d]\n",
1376 base, filter, scope, pagesize));
1378 cookie_be = ber_alloc_t(LBER_USE_DER);
1379 if (cookie_be == NULL) {
1380 DEBUG(0,("smbldap_create_page_control: ber_alloc_t returns "
1382 return LDAP_NO_MEMORY;
1385 /* construct cookie */
1386 if (*cookie != NULL) {
1387 ber_printf(cookie_be, "{iO}", (ber_int_t) pagesize, *cookie);
1388 ber_bvfree((struct berval *)*cookie); /* don't need it from last time */
1391 ber_printf(cookie_be, "{io}", (ber_int_t) pagesize, "", 0);
1393 ber_flatten(cookie_be, &cookie_bv);
1395 pr.ldctl_oid = CONST_DISCARD(char *, ADS_PAGE_CTL_OID);
1396 pr.ldctl_iscritical = (char) critical;
1397 pr.ldctl_value.bv_len = cookie_bv->bv_len;
1398 pr.ldctl_value.bv_val = cookie_bv->bv_val;
1403 rc = smbldap_search_ext(ldap_state, base, scope, filter, attrs,
1404 0, controls, NULL, LDAP_NO_LIMIT, res);
1406 ber_free(cookie_be, 1);
1407 ber_bvfree(cookie_bv);
1410 DEBUG(3,("smbldap_search_paged: smbldap_search_ext(%s) "
1411 "failed with [%s]\n", filter, ldap_err2string(rc)));
1415 DEBUG(3,("smbldap_search_paged: search was successfull\n"));
1417 rc = ldap_parse_result(ldap_state->ldap_struct, *res, NULL, NULL,
1418 NULL, NULL, &rcontrols, 0);
1420 DEBUG(3,("smbldap_search_paged: ldap_parse_result failed " \
1421 "with [%s]\n", ldap_err2string(rc)));
1425 if (rcontrols == NULL)
1428 for (i=0; rcontrols[i]; i++) {
1430 if (strcmp(ADS_PAGE_CTL_OID, rcontrols[i]->ldctl_oid) != 0)
1433 cookie_be = ber_init(&rcontrols[i]->ldctl_value);
1434 ber_scanf(cookie_be,"{iO}", &tmp, &cookie_bv);
1435 /* the berval is the cookie, but must be freed when it is all
1437 if (cookie_bv->bv_len)
1438 *cookie=ber_bvdup(cookie_bv);
1441 ber_bvfree(cookie_bv);
1442 ber_free(cookie_be, 1);
1445 ldap_controls_free(rcontrols);
1450 int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
1452 int rc = LDAP_SERVER_DOWN;
1455 time_t endtime = time(NULL)+lp_ldap_timeout();
1456 size_t converted_size;
1458 SMB_ASSERT(ldap_state);
1460 DEBUG(5,("smbldap_modify: dn => [%s]\n", dn ));
1462 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1463 return LDAP_NO_MEMORY;
1466 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1467 rc = ldap_modify_s(ldap_state->ldap_struct, utf8_dn, attrs);
1468 if (rc != LDAP_SUCCESS) {
1469 char *ld_error = NULL;
1472 ldap_get_option(ldap_state->ldap_struct,
1473 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1475 ldap_get_option(ldap_state->ldap_struct,
1476 LDAP_OPT_ERROR_STRING, &ld_error);
1477 DEBUG(10, ("Failed to modify dn: %s, error: %d (%s) "
1478 "(%s)\n", dn, ld_errno,
1479 ldap_err2string(rc),
1480 ld_error ? ld_error : "unknown"));
1481 SAFE_FREE(ld_error);
1483 if (ld_errno == LDAP_SERVER_DOWN) {
1484 ldap_unbind(ldap_state->ldap_struct);
1485 ldap_state->ldap_struct = NULL;
1490 TALLOC_FREE(utf8_dn);
1494 int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
1496 int rc = LDAP_SERVER_DOWN;
1499 time_t endtime = time(NULL)+lp_ldap_timeout();
1500 size_t converted_size;
1502 SMB_ASSERT(ldap_state);
1504 DEBUG(5,("smbldap_add: dn => [%s]\n", dn ));
1506 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1507 return LDAP_NO_MEMORY;
1510 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1511 rc = ldap_add_s(ldap_state->ldap_struct, utf8_dn, attrs);
1512 if (rc != LDAP_SUCCESS) {
1513 char *ld_error = NULL;
1516 ldap_get_option(ldap_state->ldap_struct,
1517 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1519 ldap_get_option(ldap_state->ldap_struct,
1520 LDAP_OPT_ERROR_STRING, &ld_error);
1521 DEBUG(10, ("Failed to add dn: %s, error: %d (%s) "
1522 "(%s)\n", dn, ld_errno,
1523 ldap_err2string(rc),
1524 ld_error ? ld_error : "unknown"));
1525 SAFE_FREE(ld_error);
1527 if (ld_errno == LDAP_SERVER_DOWN) {
1528 ldap_unbind(ldap_state->ldap_struct);
1529 ldap_state->ldap_struct = NULL;
1534 TALLOC_FREE(utf8_dn);
1538 int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
1540 int rc = LDAP_SERVER_DOWN;
1543 time_t endtime = time(NULL)+lp_ldap_timeout();
1544 size_t converted_size;
1546 SMB_ASSERT(ldap_state);
1548 DEBUG(5,("smbldap_delete: dn => [%s]\n", dn ));
1550 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1551 return LDAP_NO_MEMORY;
1554 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1555 rc = ldap_delete_s(ldap_state->ldap_struct, utf8_dn);
1556 if (rc != LDAP_SUCCESS) {
1557 char *ld_error = NULL;
1560 ldap_get_option(ldap_state->ldap_struct,
1561 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1563 ldap_get_option(ldap_state->ldap_struct,
1564 LDAP_OPT_ERROR_STRING, &ld_error);
1565 DEBUG(10, ("Failed to delete dn: %s, error: %d (%s) "
1566 "(%s)\n", dn, ld_errno,
1567 ldap_err2string(rc),
1568 ld_error ? ld_error : "unknown"));
1569 SAFE_FREE(ld_error);
1571 if (ld_errno == LDAP_SERVER_DOWN) {
1572 ldap_unbind(ldap_state->ldap_struct);
1573 ldap_state->ldap_struct = NULL;
1578 TALLOC_FREE(utf8_dn);
1582 int smbldap_extended_operation(struct smbldap_state *ldap_state,
1583 LDAP_CONST char *reqoid, struct berval *reqdata,
1584 LDAPControl **serverctrls, LDAPControl **clientctrls,
1585 char **retoidp, struct berval **retdatap)
1587 int rc = LDAP_SERVER_DOWN;
1589 time_t endtime = time(NULL)+lp_ldap_timeout();
1594 while (another_ldap_try(ldap_state, &rc, &attempts, endtime)) {
1595 rc = ldap_extended_operation_s(ldap_state->ldap_struct, reqoid,
1596 reqdata, serverctrls,
1597 clientctrls, retoidp, retdatap);
1598 if (rc != LDAP_SUCCESS) {
1599 char *ld_error = NULL;
1602 ldap_get_option(ldap_state->ldap_struct,
1603 LDAP_OPT_ERROR_NUMBER, &ld_errno);
1605 ldap_get_option(ldap_state->ldap_struct,
1606 LDAP_OPT_ERROR_STRING, &ld_error);
1607 DEBUG(10, ("Extended operation failed with error: "
1608 "%d (%s) (%s)\n", ld_errno,
1609 ldap_err2string(rc),
1610 ld_error ? ld_error : "unknown"));
1611 SAFE_FREE(ld_error);
1613 if (ld_errno == LDAP_SERVER_DOWN) {
1614 ldap_unbind(ldap_state->ldap_struct);
1615 ldap_state->ldap_struct = NULL;
1623 /*******************************************************************
1624 run the search by name.
1625 ******************************************************************/
1626 int smbldap_search_suffix (struct smbldap_state *ldap_state,
1627 const char *filter, const char **search_attr,
1628 LDAPMessage ** result)
1630 return smbldap_search(ldap_state, lp_ldap_suffix(), LDAP_SCOPE_SUBTREE,
1631 filter, search_attr, 0, result);
1634 static void smbldap_idle_fn(struct event_context *event_ctx,
1635 struct timed_event *te,
1639 struct smbldap_state *state = (struct smbldap_state *)private_data;
1641 TALLOC_FREE(state->idle_event);
1643 if (state->ldap_struct == NULL) {
1644 DEBUG(10,("ldap connection not connected...\n"));
1648 if ((state->last_use+SMBLDAP_IDLE_TIME) > now.tv_sec) {
1649 DEBUG(10,("ldap connection not idle...\n"));
1651 state->idle_event = event_add_timed(
1653 timeval_add(&now, SMBLDAP_IDLE_TIME, 0),
1659 DEBUG(7,("ldap connection idle...closing connection\n"));
1660 smbldap_close(state);
1663 /**********************************************************************
1665 *********************************************************************/
1667 void smbldap_free_struct(struct smbldap_state **ldap_state)
1669 smbldap_close(*ldap_state);
1671 if ((*ldap_state)->bind_secret) {
1672 memset((*ldap_state)->bind_secret, '\0', strlen((*ldap_state)->bind_secret));
1675 SAFE_FREE((*ldap_state)->bind_dn);
1676 SAFE_FREE((*ldap_state)->bind_secret);
1678 TALLOC_FREE((*ldap_state)->idle_event);
1682 /* No need to free any further, as it is talloc()ed */
1686 /**********************************************************************
1687 Intitalise the 'general' ldap structures, on which ldap operations may be conducted
1688 *********************************************************************/
1690 NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx, struct event_context *event_ctx,
1691 const char *location,
1692 struct smbldap_state **smbldap_state)
1694 *smbldap_state = TALLOC_ZERO_P(mem_ctx, struct smbldap_state);
1695 if (!*smbldap_state) {
1696 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1697 return NT_STATUS_NO_MEMORY;
1701 (*smbldap_state)->uri = talloc_strdup(mem_ctx, location);
1703 (*smbldap_state)->uri = "ldap://localhost";
1706 (*smbldap_state)->event_context = event_ctx;
1708 return NT_STATUS_OK;
1711 char *smbldap_talloc_dn(TALLOC_CTX *mem_ctx, LDAP *ld,
1714 char *utf8_dn, *unix_dn;
1715 size_t converted_size;
1717 utf8_dn = ldap_get_dn(ld, entry);
1719 DEBUG (5, ("smbldap_talloc_dn: ldap_get_dn failed\n"));
1722 if (!pull_utf8_talloc(mem_ctx, &unix_dn, utf8_dn, &converted_size)) {
1723 DEBUG (0, ("smbldap_talloc_dn: String conversion failure utf8 "
1724 "[%s]\n", utf8_dn));
1727 ldap_memfree(utf8_dn);
1731 /*******************************************************************
1732 Check if root-dse has a certain Control or Extension
1733 ********************************************************************/
1735 static bool smbldap_check_root_dse(LDAP *ld, const char **attrs, const char *value)
1737 LDAPMessage *msg = NULL;
1738 LDAPMessage *entry = NULL;
1739 char **values = NULL;
1740 int rc, num_result, num_values, i;
1741 bool result = False;
1744 DEBUG(3,("smbldap_check_root_dse: nothing to look for\n"));
1748 if (!strequal(attrs[0], "supportedExtension") &&
1749 !strequal(attrs[0], "supportedControl") &&
1750 !strequal(attrs[0], "namingContexts")) {
1751 DEBUG(3,("smbldap_check_root_dse: no idea what to query root-dse for: %s ?\n", attrs[0]));
1755 rc = ldap_search_s(ld, "", LDAP_SCOPE_BASE,
1756 "(objectclass=*)", CONST_DISCARD(char **, attrs), 0 , &msg);
1758 if (rc != LDAP_SUCCESS) {
1759 DEBUG(3,("smbldap_check_root_dse: Could not search rootDSE\n"));
1763 num_result = ldap_count_entries(ld, msg);
1765 if (num_result != 1) {
1766 DEBUG(3,("smbldap_check_root_dse: Expected one rootDSE, got %d\n", num_result));
1770 entry = ldap_first_entry(ld, msg);
1772 if (entry == NULL) {
1773 DEBUG(3,("smbldap_check_root_dse: Could not retrieve rootDSE\n"));
1777 values = ldap_get_values(ld, entry, attrs[0]);
1779 if (values == NULL) {
1780 DEBUG(5,("smbldap_check_root_dse: LDAP Server does not support any %s\n", attrs[0]));
1784 num_values = ldap_count_values(values);
1786 if (num_values == 0) {
1787 DEBUG(5,("smbldap_check_root_dse: LDAP Server does not have any %s\n", attrs[0]));
1791 for (i=0; i<num_values; i++) {
1792 if (strcmp(values[i], value) == 0)
1799 ldap_value_free(values);
1807 /*******************************************************************
1808 Check if LDAP-Server supports a certain Control (OID in string format)
1809 ********************************************************************/
1811 bool smbldap_has_control(LDAP *ld, const char *control)
1813 const char *attrs[] = { "supportedControl", NULL };
1814 return smbldap_check_root_dse(ld, attrs, control);
1817 /*******************************************************************
1818 Check if LDAP-Server supports a certain Extension (OID in string format)
1819 ********************************************************************/
1821 bool smbldap_has_extension(LDAP *ld, const char *extension)
1823 const char *attrs[] = { "supportedExtension", NULL };
1824 return smbldap_check_root_dse(ld, attrs, extension);
1827 /*******************************************************************
1828 Check if LDAP-Server holds a given namingContext
1829 ********************************************************************/
1831 bool smbldap_has_naming_context(LDAP *ld, const char *naming_context)
1833 const char *attrs[] = { "namingContexts", NULL };
1834 return smbldap_check_root_dse(ld, attrs, naming_context);
1837 bool smbldap_set_creds(struct smbldap_state *ldap_state, bool anon, const char *dn, const char *secret)
1839 ldap_state->anonymous = anon;
1841 /* free any previously set credential */
1843 SAFE_FREE(ldap_state->bind_dn);
1844 if (ldap_state->bind_secret) {
1845 /* make sure secrets are zeroed out of memory */
1846 memset(ldap_state->bind_secret, '\0', strlen(ldap_state->bind_secret));
1847 SAFE_FREE(ldap_state->bind_secret);
1851 ldap_state->bind_dn = SMB_STRDUP(dn);
1852 ldap_state->bind_secret = SMB_STRDUP(secret);