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 static int ldapmsg_destructor(LDAPMessage
**result
) {
337 ldap_msgfree(*result
);
341 void talloc_autofree_ldapmsg(TALLOC_CTX
*mem_ctx
, LDAPMessage
*result
)
343 LDAPMessage
**handle
;
345 if (result
== NULL
) {
349 handle
= TALLOC_P(mem_ctx
, LDAPMessage
*);
350 SMB_ASSERT(handle
!= NULL
);
353 talloc_set_destructor(handle
, ldapmsg_destructor
);
356 static int ldapmod_destructor(LDAPMod
***mod
) {
357 ldap_mods_free(*mod
, True
);
361 void talloc_autofree_ldapmod(TALLOC_CTX
*mem_ctx
, LDAPMod
**mod
)
369 handle
= TALLOC_P(mem_ctx
, LDAPMod
**);
370 SMB_ASSERT(handle
!= NULL
);
373 talloc_set_destructor(handle
, ldapmod_destructor
);
376 /************************************************************************
377 Routine to manage the LDAPMod structure array
378 manage memory used by the array, by each struct, and values
379 ***********************************************************************/
381 void smbldap_set_mod (LDAPMod
*** modlist
, int modop
, const char *attribute
, const char *value
)
389 /* sanity checks on the mod values */
391 if (attribute
== NULL
|| *attribute
== '\0') {
395 #if 0 /* commented out after discussion with abartlet. Do not reenable.
396 left here so other do not re-add similar code --jerry */
397 if (value
== NULL
|| *value
== '\0')
402 mods
= SMB_MALLOC_P(LDAPMod
*);
404 smb_panic("smbldap_set_mod: out of memory!");
410 for (i
= 0; mods
[i
] != NULL
; ++i
) {
411 if (mods
[i
]->mod_op
== modop
&& strequal(mods
[i
]->mod_type
, attribute
))
415 if (mods
[i
] == NULL
) {
416 mods
= SMB_REALLOC_ARRAY (mods
, LDAPMod
*, i
+ 2);
418 smb_panic("smbldap_set_mod: out of memory!");
421 mods
[i
] = SMB_MALLOC_P(LDAPMod
);
422 if (mods
[i
] == NULL
) {
423 smb_panic("smbldap_set_mod: out of memory!");
426 mods
[i
]->mod_op
= modop
;
427 mods
[i
]->mod_values
= NULL
;
428 mods
[i
]->mod_type
= SMB_STRDUP(attribute
);
433 char *utf8_value
= NULL
;
434 size_t converted_size
;
437 if (mods
[i
]->mod_values
!= NULL
) {
438 for (; mods
[i
]->mod_values
[j
] != NULL
; j
++);
440 mods
[i
]->mod_values
= SMB_REALLOC_ARRAY(mods
[i
]->mod_values
, char *, j
+ 2);
442 if (mods
[i
]->mod_values
== NULL
) {
443 smb_panic("smbldap_set_mod: out of memory!");
447 if (!push_utf8_allocate(&utf8_value
, value
, &converted_size
)) {
448 smb_panic("smbldap_set_mod: String conversion failure!");
452 mods
[i
]->mod_values
[j
] = utf8_value
;
454 mods
[i
]->mod_values
[j
+ 1] = NULL
;
459 /**********************************************************************
460 Set attribute to newval in LDAP, regardless of what value the
461 attribute had in LDAP before.
462 *********************************************************************/
464 void smbldap_make_mod(LDAP
*ldap_struct
, LDAPMessage
*existing
,
466 const char *attribute
, const char *newval
)
468 char oldval
[2048]; /* current largest allowed value is mungeddial */
471 if (attribute
== NULL
) {
472 /* This can actually happen for ldapsam_compat where we for
473 * example don't have a password history */
477 if (existing
!= NULL
) {
478 existed
= smbldap_get_single_attribute(ldap_struct
, existing
, attribute
, oldval
, sizeof(oldval
));
484 /* all of our string attributes are case insensitive */
486 if (existed
&& newval
&& (StrCaseCmp(oldval
, newval
) == 0)) {
488 /* Believe it or not, but LDAP will deny a delete and
489 an add at the same time if the values are the
491 DEBUG(10,("smbldap_make_mod: attribute |%s| not changed.\n", attribute
));
496 /* There has been no value before, so don't delete it.
497 * Here's a possible race: We might end up with
498 * duplicate attributes */
499 /* By deleting exactly the value we found in the entry this
500 * should be race-free in the sense that the LDAP-Server will
501 * deny the complete operation if somebody changed the
502 * attribute behind our back. */
503 /* This will also allow modifying single valued attributes
504 * in Novell NDS. In NDS you have to first remove attribute and then
505 * you could add new value */
507 DEBUG(10,("smbldap_make_mod: deleting attribute |%s| values |%s|\n", attribute
, oldval
));
508 smbldap_set_mod(mods
, LDAP_MOD_DELETE
, attribute
, oldval
);
511 /* Regardless of the real operation (add or modify)
512 we add the new value here. We rely on deleting
513 the old value, should it exist. */
515 if ((newval
!= NULL
) && (strlen(newval
) > 0)) {
516 DEBUG(10,("smbldap_make_mod: adding attribute |%s| value |%s|\n", attribute
, newval
));
517 smbldap_set_mod(mods
, LDAP_MOD_ADD
, attribute
, newval
);
521 /**********************************************************************
522 Some varients of the LDAP rebind code do not pass in the third 'arg'
523 pointer to a void*, so we try and work around it by assuming that the
524 value of the 'LDAP *' pointer is the same as the one we had passed in
525 **********************************************************************/
527 struct smbldap_state_lookup
{
529 struct smbldap_state
*smbldap_state
;
530 struct smbldap_state_lookup
*prev
, *next
;
533 static struct smbldap_state_lookup
*smbldap_state_lookup_list
;
535 static struct smbldap_state
*smbldap_find_state(LDAP
*ld
)
537 struct smbldap_state_lookup
*t
;
539 for (t
= smbldap_state_lookup_list
; t
; t
= t
->next
) {
541 return t
->smbldap_state
;
547 static void smbldap_delete_state(struct smbldap_state
*smbldap_state
)
549 struct smbldap_state_lookup
*t
;
551 for (t
= smbldap_state_lookup_list
; t
; t
= t
->next
) {
552 if (t
->smbldap_state
== smbldap_state
) {
553 DLIST_REMOVE(smbldap_state_lookup_list
, t
);
560 static void smbldap_store_state(LDAP
*ld
, struct smbldap_state
*smbldap_state
)
562 struct smbldap_state
*tmp_ldap_state
;
563 struct smbldap_state_lookup
*t
;
565 if ((tmp_ldap_state
= smbldap_find_state(ld
))) {
566 SMB_ASSERT(tmp_ldap_state
== smbldap_state
);
570 t
= SMB_XMALLOC_P(struct smbldap_state_lookup
);
573 DLIST_ADD_END(smbldap_state_lookup_list
, t
, struct smbldap_state_lookup
*);
575 t
->smbldap_state
= smbldap_state
;
578 /********************************************************************
579 start TLS on an existing LDAP connection
580 *******************************************************************/
582 int smb_ldap_start_tls(LDAP
*ldap_struct
, int version
)
586 if (lp_ldap_ssl() != LDAP_SSL_START_TLS
) {
590 #ifdef LDAP_OPT_X_TLS
591 if (version
!= LDAP_VERSION3
) {
592 DEBUG(0, ("Need LDAPv3 for Start TLS\n"));
593 return LDAP_OPERATIONS_ERROR
;
596 if ((rc
= ldap_start_tls_s (ldap_struct
, NULL
, NULL
)) != LDAP_SUCCESS
) {
597 DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
598 ldap_err2string(rc
)));
602 DEBUG (3, ("StartTLS issued: using a TLS connection\n"));
605 DEBUG(0,("StartTLS not supported by LDAP client libraries!\n"));
606 return LDAP_OPERATIONS_ERROR
;
610 /********************************************************************
611 setup a connection to the LDAP server based on a uri
612 *******************************************************************/
614 int smb_ldap_setup_conn(LDAP
**ldap_struct
, const char *uri
)
618 DEBUG(10, ("smb_ldap_setup_connection: %s\n", uri
));
620 #ifdef HAVE_LDAP_INITIALIZE
622 rc
= ldap_initialize(ldap_struct
, uri
);
624 DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc
)));
630 /* Parse the string manually */
636 SMB_ASSERT(sizeof(protocol
)>10 && sizeof(host
)>254);
639 /* skip leading "URL:" (if any) */
640 if ( strnequal( uri
, "URL:", 4 ) ) {
644 sscanf(uri
, "%10[^:]://%254[^:/]:%d", protocol
, host
, &port
);
647 if (strequal(protocol
, "ldap")) {
649 } else if (strequal(protocol
, "ldaps")) {
652 DEBUG(0, ("unrecognised protocol (%s)!\n", protocol
));
656 if ((*ldap_struct
= ldap_init(host
, port
)) == NULL
) {
657 DEBUG(0, ("ldap_init failed !\n"));
658 return LDAP_OPERATIONS_ERROR
;
661 if (strequal(protocol
, "ldaps")) {
662 #ifdef LDAP_OPT_X_TLS
663 int tls
= LDAP_OPT_X_TLS_HARD
;
664 if (ldap_set_option (*ldap_struct
, LDAP_OPT_X_TLS
, &tls
) != LDAP_SUCCESS
)
666 DEBUG(0, ("Failed to setup a TLS session\n"));
669 DEBUG(3,("LDAPS option set...!\n"));
671 DEBUG(0,("smbldap_open_connection: Secure connection not supported by LDAP client libraries!\n"));
672 return LDAP_OPERATIONS_ERROR
;
673 #endif /* LDAP_OPT_X_TLS */
676 #endif /* HAVE_LDAP_INITIALIZE */
679 /* now set connection timeout */
680 #ifdef LDAP_X_OPT_CONNECT_TIMEOUT /* Netscape */
682 int ct
= lp_ldap_connection_timeout()*1000;
683 rc
= ldap_set_option(*ldap_struct
, LDAP_X_OPT_CONNECT_TIMEOUT
, &ct
);
684 if (rc
!= LDAP_SUCCESS
) {
685 DEBUG(0,("Failed to setup an ldap connection timeout %d: %s\n",
686 ct
, ldap_err2string(rc
)));
689 #elif defined (LDAP_OPT_NETWORK_TIMEOUT) /* OpenLDAP */
693 ct
.tv_sec
= lp_ldap_connection_timeout();
694 rc
= ldap_set_option(*ldap_struct
, LDAP_OPT_NETWORK_TIMEOUT
, &ct
);
695 if (rc
!= LDAP_SUCCESS
) {
696 DEBUG(0,("Failed to setup an ldap connection timeout %d: %s\n",
697 (int)ct
.tv_sec
, ldap_err2string(rc
)));
705 /********************************************************************
706 try to upgrade to Version 3 LDAP if not already, in either case return current
708 *******************************************************************/
710 int smb_ldap_upgrade_conn(LDAP
*ldap_struct
, int *new_version
)
715 /* assume the worst */
716 *new_version
= LDAP_VERSION2
;
718 rc
= ldap_get_option(ldap_struct
, LDAP_OPT_PROTOCOL_VERSION
, &version
);
723 if (version
== LDAP_VERSION3
) {
724 *new_version
= LDAP_VERSION3
;
729 version
= LDAP_VERSION3
;
730 rc
= ldap_set_option (ldap_struct
, LDAP_OPT_PROTOCOL_VERSION
, &version
);
735 *new_version
= LDAP_VERSION3
;
739 /*******************************************************************
740 open a connection to the ldap server (just until the bind)
741 ******************************************************************/
743 int smb_ldap_setup_full_conn(LDAP
**ldap_struct
, const char *uri
)
747 rc
= smb_ldap_setup_conn(ldap_struct
, uri
);
752 rc
= smb_ldap_upgrade_conn(*ldap_struct
, &version
);
757 rc
= smb_ldap_start_tls(*ldap_struct
, version
);
765 /*******************************************************************
766 open a connection to the ldap server.
767 ******************************************************************/
768 static int smbldap_open_connection (struct smbldap_state
*ldap_state
)
771 int rc
= LDAP_SUCCESS
;
773 LDAP
**ldap_struct
= &ldap_state
->ldap_struct
;
775 rc
= smb_ldap_setup_conn(ldap_struct
, ldap_state
->uri
);
780 /* Store the LDAP pointer in a lookup list */
782 smbldap_store_state(*ldap_struct
, ldap_state
);
784 /* Upgrade to LDAPv3 if possible */
786 rc
= smb_ldap_upgrade_conn(*ldap_struct
, &version
);
791 /* Start TLS if required */
793 rc
= smb_ldap_start_tls(*ldap_struct
, version
);
798 DEBUG(2, ("smbldap_open_connection: connection opened\n"));
802 /*******************************************************************
803 a rebind function for authenticated referrals
804 This version takes a void* that we can shove useful stuff in :-)
805 ******************************************************************/
806 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
808 static int rebindproc_with_state (LDAP
* ld
, char **whop
, char **credp
,
809 int *methodp
, int freeit
, void *arg
)
811 struct smbldap_state
*ldap_state
= arg
;
813 /** @TODO Should we be doing something to check what servers we rebind to?
814 Could we get a referral to a machine that we don't want to give our
815 username and password to? */
820 memset(*credp
, '\0', strlen(*credp
));
824 DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n",
825 ldap_state
->bind_dn
?ldap_state
->bind_dn
:"[Anonymous bind]"));
827 if (ldap_state
->anonymous
) {
831 *whop
= SMB_STRDUP(ldap_state
->bind_dn
);
833 return LDAP_NO_MEMORY
;
835 *credp
= SMB_STRDUP(ldap_state
->bind_secret
);
838 return LDAP_NO_MEMORY
;
841 *methodp
= LDAP_AUTH_SIMPLE
;
844 GetTimeOfDay(&ldap_state
->last_rebind
);
848 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
850 /*******************************************************************
851 a rebind function for authenticated referrals
852 This version takes a void* that we can shove useful stuff in :-)
853 and actually does the connection.
854 ******************************************************************/
855 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
856 static int rebindproc_connect_with_state (LDAP
*ldap_struct
,
857 LDAP_CONST
char *url
,
859 ber_int_t msgid
, void *arg
)
861 struct smbldap_state
*ldap_state
=
862 (struct smbldap_state
*)arg
;
866 DEBUG(5,("rebindproc_connect_with_state: Rebinding to %s as \"%s\"\n",
867 url
, ldap_state
->bind_dn
?ldap_state
->bind_dn
:"[Anonymous bind]"));
869 /* call START_TLS again (ldaps:// is handled by the OpenLDAP library
870 * itself) before rebinding to another LDAP server to avoid to expose
871 * our credentials. At least *try* to secure the connection - Guenther */
873 smb_ldap_upgrade_conn(ldap_struct
, &version
);
874 smb_ldap_start_tls(ldap_struct
, version
);
876 /** @TODO Should we be doing something to check what servers we rebind to?
877 Could we get a referral to a machine that we don't want to give our
878 username and password to? */
880 rc
= ldap_simple_bind_s(ldap_struct
, ldap_state
->bind_dn
, ldap_state
->bind_secret
);
882 /* only set the last rebind timestamp when we did rebind after a
883 * non-read LDAP operation. That way we avoid the replication sleep
884 * after a simple redirected search operation - Guenther */
888 case LDAP_REQ_MODIFY
:
890 case LDAP_REQ_DELETE
:
892 case LDAP_REQ_EXTENDED
:
893 DEBUG(10,("rebindproc_connect_with_state: "
894 "setting last_rebind timestamp "
895 "(req: 0x%02x)\n", (unsigned int)request
));
896 GetTimeOfDay(&ldap_state
->last_rebind
);
899 ZERO_STRUCT(ldap_state
->last_rebind
);
905 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
907 /*******************************************************************
908 Add a rebind function for authenticated referrals
909 ******************************************************************/
910 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
912 # if LDAP_SET_REBIND_PROC_ARGS == 2
913 static int rebindproc (LDAP
*ldap_struct
, char **whop
, char **credp
,
914 int *method
, int freeit
)
916 struct smbldap_state
*ldap_state
= smbldap_find_state(ldap_struct
);
918 return rebindproc_with_state(ldap_struct
, whop
, credp
,
919 method
, freeit
, ldap_state
);
922 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
923 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
925 /*******************************************************************
926 a rebind function for authenticated referrals
927 this also does the connection, but no void*.
928 ******************************************************************/
929 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
930 # if LDAP_SET_REBIND_PROC_ARGS == 2
931 static int rebindproc_connect (LDAP
* ld
, LDAP_CONST
char *url
, int request
,
934 struct smbldap_state
*ldap_state
= smbldap_find_state(ld
);
936 return rebindproc_connect_with_state(ld
, url
, (ber_tag_t
)request
, msgid
,
939 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
940 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
942 /*******************************************************************
943 connect to the ldap server under system privilege.
944 ******************************************************************/
945 static int smbldap_connect_system(struct smbldap_state
*ldap_state
, LDAP
* ldap_struct
)
950 if (!ldap_state
->anonymous
&& !ldap_state
->bind_dn
) {
952 /* get the default dn and password only if they are not set already */
953 if (!fetch_ldap_pw(&ldap_state
->bind_dn
, &ldap_state
->bind_secret
)) {
954 DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
955 return LDAP_INVALID_CREDENTIALS
;
959 /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
960 (OpenLDAP) doesnt' seem to support it */
962 DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
963 ldap_state
->uri
, ldap_state
->bind_dn
));
965 #ifdef HAVE_LDAP_SET_REBIND_PROC
966 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
967 # if LDAP_SET_REBIND_PROC_ARGS == 2
968 ldap_set_rebind_proc(ldap_struct
, &rebindproc_connect
);
970 # if LDAP_SET_REBIND_PROC_ARGS == 3
971 ldap_set_rebind_proc(ldap_struct
, &rebindproc_connect_with_state
, (void *)ldap_state
);
973 #else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
974 # if LDAP_SET_REBIND_PROC_ARGS == 2
975 ldap_set_rebind_proc(ldap_struct
, &rebindproc
);
977 # if LDAP_SET_REBIND_PROC_ARGS == 3
978 ldap_set_rebind_proc(ldap_struct
, &rebindproc_with_state
, (void *)ldap_state
);
980 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
983 rc
= ldap_simple_bind_s(ldap_struct
, ldap_state
->bind_dn
, ldap_state
->bind_secret
);
985 if (rc
!= LDAP_SUCCESS
) {
986 char *ld_error
= NULL
;
987 ldap_get_option(ldap_state
->ldap_struct
, LDAP_OPT_ERROR_STRING
,
989 DEBUG(ldap_state
->num_failures
? 2 : 0,
990 ("failed to bind to server %s with dn=\"%s\" Error: %s\n\t%s\n",
992 ldap_state
->bind_dn
? ldap_state
->bind_dn
: "[Anonymous bind]",
994 ld_error
? ld_error
: "(unknown)"));
996 ldap_state
->num_failures
++;
1000 ldap_state
->num_failures
= 0;
1001 ldap_state
->paged_results
= False
;
1003 ldap_get_option(ldap_state
->ldap_struct
, LDAP_OPT_PROTOCOL_VERSION
, &version
);
1005 if (smbldap_has_control(ldap_state
->ldap_struct
, ADS_PAGE_CTL_OID
) && version
== 3) {
1006 ldap_state
->paged_results
= True
;
1009 DEBUG(3, ("ldap_connect_system: successful connection to the LDAP server\n"));
1010 DEBUGADD(10, ("ldap_connect_system: LDAP server %s support paged results\n",
1011 ldap_state
->paged_results
? "does" : "does not"));
1015 static void smbldap_idle_fn(struct event_context
*event_ctx
,
1016 struct timed_event
*te
,
1017 const struct timeval
*now
,
1018 void *private_data
);
1020 /**********************************************************************
1021 Connect to LDAP server (called before every ldap operation)
1022 *********************************************************************/
1023 static int smbldap_open(struct smbldap_state
*ldap_state
)
1026 bool reopen
= False
;
1027 SMB_ASSERT(ldap_state
);
1029 if ((ldap_state
->ldap_struct
!= NULL
) && ((ldap_state
->last_ping
+ SMBLDAP_DONT_PING_TIME
) < time(NULL
))) {
1031 #ifdef HAVE_UNIXSOCKET
1032 struct sockaddr_un addr
;
1034 struct sockaddr addr
;
1036 socklen_t len
= sizeof(addr
);
1039 opt_rc
= ldap_get_option(ldap_state
->ldap_struct
, LDAP_OPT_DESC
, &sd
);
1040 if (opt_rc
== 0 && (getpeername(sd
, (struct sockaddr
*) &addr
, &len
)) < 0 )
1043 #ifdef HAVE_UNIXSOCKET
1044 if (opt_rc
== 0 && addr
.sun_family
== AF_UNIX
)
1048 /* the other end has died. reopen. */
1049 ldap_unbind(ldap_state
->ldap_struct
);
1050 ldap_state
->ldap_struct
= NULL
;
1051 ldap_state
->last_ping
= (time_t)0;
1053 ldap_state
->last_ping
= time(NULL
);
1057 if (ldap_state
->ldap_struct
!= NULL
) {
1058 DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
1059 return LDAP_SUCCESS
;
1062 if ((rc
= smbldap_open_connection(ldap_state
))) {
1066 if ((rc
= smbldap_connect_system(ldap_state
, ldap_state
->ldap_struct
))) {
1067 ldap_unbind(ldap_state
->ldap_struct
);
1068 ldap_state
->ldap_struct
= NULL
;
1073 ldap_state
->last_ping
= time(NULL
);
1074 ldap_state
->pid
= sys_getpid();
1076 TALLOC_FREE(ldap_state
->idle_event
);
1078 if (ldap_state
->event_context
!= NULL
) {
1079 ldap_state
->idle_event
= event_add_timed(
1080 ldap_state
->event_context
, NULL
,
1081 timeval_current_ofs(SMBLDAP_IDLE_TIME
, 0),
1082 "smbldap_idle_fn", smbldap_idle_fn
, ldap_state
);
1085 DEBUG(4,("The LDAP server is successfully connected\n"));
1087 return LDAP_SUCCESS
;
1090 /**********************************************************************
1091 Disconnect from LDAP server
1092 *********************************************************************/
1093 static NTSTATUS
smbldap_close(struct smbldap_state
*ldap_state
)
1096 return NT_STATUS_INVALID_PARAMETER
;
1098 if (ldap_state
->ldap_struct
!= NULL
) {
1099 ldap_unbind(ldap_state
->ldap_struct
);
1100 ldap_state
->ldap_struct
= NULL
;
1103 smbldap_delete_state(ldap_state
);
1105 DEBUG(5,("The connection to the LDAP server was closed\n"));
1106 /* maybe free the results here --metze */
1108 return NT_STATUS_OK
;
1111 static bool got_alarm
;
1113 static void (*old_handler
)(int);
1115 static void gotalarm_sig(int dummy
)
1120 static int another_ldap_try(struct smbldap_state
*ldap_state
, int *rc
,
1121 int *attempts
, time_t endtime
)
1123 time_t now
= time(NULL
);
1124 int open_rc
= LDAP_SERVER_DOWN
;
1126 if (*rc
!= LDAP_SERVER_DOWN
)
1129 if (now
>= endtime
) {
1130 smbldap_close(ldap_state
);
1135 if (*attempts
== 0) {
1137 old_handler
= CatchSignal(SIGALRM
, gotalarm_sig
);
1138 alarm(endtime
- now
);
1140 if (ldap_state
->pid
!= sys_getpid())
1141 smbldap_close(ldap_state
);
1151 open_rc
= smbldap_open(ldap_state
);
1153 if (open_rc
== LDAP_SUCCESS
) {
1154 ldap_state
->last_use
= now
;
1158 if (open_rc
== LDAP_INSUFFICIENT_ACCESS
) {
1159 /* The fact that we are non-root or any other
1160 * access-denied condition will not change in the next
1161 * round of trying */
1171 if (open_rc
!= LDAP_SUCCESS
) {
1172 DEBUG(1, ("Connection to LDAP server failed for the "
1173 "%d try!\n", *attempts
));
1178 CatchSignal(SIGALRM
, old_handler
);
1180 ldap_state
->last_use
= now
;
1184 /*********************************************************************
1185 ********************************************************************/
1187 static int smbldap_search_ext(struct smbldap_state
*ldap_state
,
1188 const char *base
, int scope
, const char *filter
,
1189 const char *attrs
[], int attrsonly
,
1190 LDAPControl
**sctrls
, LDAPControl
**cctrls
,
1191 int sizelimit
, LDAPMessage
**res
)
1193 int rc
= LDAP_SERVER_DOWN
;
1196 time_t endtime
= time(NULL
)+lp_ldap_timeout();
1197 struct timeval timeout
;
1198 size_t converted_size
;
1200 SMB_ASSERT(ldap_state
);
1202 DEBUG(5,("smbldap_search_ext: base => [%s], filter => [%s], "
1203 "scope => [%d]\n", base
, filter
, scope
));
1205 if (ldap_state
->last_rebind
.tv_sec
> 0) {
1206 struct timeval tval
;
1211 GetTimeOfDay(&tval
);
1213 tdiff
= usec_time_diff(&tval
, &ldap_state
->last_rebind
);
1214 tdiff
/= 1000; /* Convert to milliseconds. */
1216 sleep_time
= lp_ldap_replication_sleep()-(int)tdiff
;
1217 sleep_time
= MIN(sleep_time
, MAX_LDAP_REPLICATION_SLEEP_TIME
);
1219 if (sleep_time
> 0) {
1220 /* we wait for the LDAP replication */
1221 DEBUG(5,("smbldap_search_ext: waiting %d milliseconds "
1222 "for LDAP replication.\n",sleep_time
));
1223 smb_msleep(sleep_time
);
1224 DEBUG(5,("smbldap_search_ext: go on!\n"));
1226 ZERO_STRUCT(ldap_state
->last_rebind
);
1229 if (!push_utf8_allocate(&utf8_filter
, filter
, &converted_size
)) {
1230 return LDAP_NO_MEMORY
;
1233 /* Setup timeout for the ldap_search_ext_s call - local and remote. */
1234 timeout
.tv_sec
= lp_ldap_timeout();
1235 timeout
.tv_usec
= 0;
1237 /* Setup alarm timeout.... Do we need both of these ? JRA.
1238 * Yes, I think we do need both of these. The server timeout only
1239 * covers the case where the server's operation takes too long. It
1240 * does not cover the case where the request hangs on its way to the
1241 * server. The server side timeout is not strictly necessary, it's
1242 * just a bit more kind to the server. VL. */
1245 CatchSignal(SIGALRM
, SIGNAL_CAST gotalarm_sig
);
1246 alarm(lp_ldap_timeout());
1247 /* End setup timeout. */
1249 while (another_ldap_try(ldap_state
, &rc
, &attempts
, endtime
)) {
1250 rc
= ldap_search_ext_s(ldap_state
->ldap_struct
, base
, scope
,
1252 CONST_DISCARD(char **, attrs
),
1253 attrsonly
, sctrls
, cctrls
, &timeout
,
1255 if (rc
!= LDAP_SUCCESS
) {
1256 char *ld_error
= NULL
;
1259 ldap_get_option(ldap_state
->ldap_struct
,
1260 LDAP_OPT_ERROR_NUMBER
, &ld_errno
);
1262 ldap_get_option(ldap_state
->ldap_struct
,
1263 LDAP_OPT_ERROR_STRING
, &ld_error
);
1264 DEBUG(10, ("Failed search for base: %s, error: %d (%s) "
1265 "(%s)\n", base
, ld_errno
,
1266 ldap_err2string(rc
),
1267 ld_error
? ld_error
: "unknown"));
1268 SAFE_FREE(ld_error
);
1270 if (ld_errno
== LDAP_SERVER_DOWN
) {
1271 ldap_unbind(ldap_state
->ldap_struct
);
1272 ldap_state
->ldap_struct
= NULL
;
1277 SAFE_FREE(utf8_filter
);
1279 /* Teardown timeout. */
1280 CatchSignal(SIGALRM
, SIGNAL_CAST SIG_IGN
);
1284 return LDAP_TIMELIMIT_EXCEEDED
;
1289 int smbldap_search(struct smbldap_state
*ldap_state
,
1290 const char *base
, int scope
, const char *filter
,
1291 const char *attrs
[], int attrsonly
,
1294 return smbldap_search_ext(ldap_state
, base
, scope
, filter
, attrs
,
1295 attrsonly
, NULL
, NULL
, LDAP_NO_LIMIT
, res
);
1298 int smbldap_search_paged(struct smbldap_state
*ldap_state
,
1299 const char *base
, int scope
, const char *filter
,
1300 const char **attrs
, int attrsonly
, int pagesize
,
1301 LDAPMessage
**res
, void **cookie
)
1304 LDAPControl
**rcontrols
;
1305 LDAPControl
*controls
[2] = { NULL
, NULL
};
1306 BerElement
*cookie_be
= NULL
;
1307 struct berval
*cookie_bv
= NULL
;
1309 bool critical
= True
;
1313 DEBUG(3,("smbldap_search_paged: base => [%s], filter => [%s],"
1314 "scope => [%d], pagesize => [%d]\n",
1315 base
, filter
, scope
, pagesize
));
1317 cookie_be
= ber_alloc_t(LBER_USE_DER
);
1318 if (cookie_be
== NULL
) {
1319 DEBUG(0,("smbldap_create_page_control: ber_alloc_t returns "
1321 return LDAP_NO_MEMORY
;
1324 /* construct cookie */
1325 if (*cookie
!= NULL
) {
1326 ber_printf(cookie_be
, "{iO}", (ber_int_t
) pagesize
, *cookie
);
1327 ber_bvfree((struct berval
*)*cookie
); /* don't need it from last time */
1330 ber_printf(cookie_be
, "{io}", (ber_int_t
) pagesize
, "", 0);
1332 ber_flatten(cookie_be
, &cookie_bv
);
1334 pr
.ldctl_oid
= CONST_DISCARD(char *, ADS_PAGE_CTL_OID
);
1335 pr
.ldctl_iscritical
= (char) critical
;
1336 pr
.ldctl_value
.bv_len
= cookie_bv
->bv_len
;
1337 pr
.ldctl_value
.bv_val
= cookie_bv
->bv_val
;
1342 rc
= smbldap_search_ext(ldap_state
, base
, scope
, filter
, attrs
,
1343 0, controls
, NULL
, LDAP_NO_LIMIT
, res
);
1345 ber_free(cookie_be
, 1);
1346 ber_bvfree(cookie_bv
);
1349 DEBUG(3,("smbldap_search_paged: smbldap_search_ext(%s) "
1350 "failed with [%s]\n", filter
, ldap_err2string(rc
)));
1354 DEBUG(3,("smbldap_search_paged: search was successfull\n"));
1356 rc
= ldap_parse_result(ldap_state
->ldap_struct
, *res
, NULL
, NULL
,
1357 NULL
, NULL
, &rcontrols
, 0);
1359 DEBUG(3,("smbldap_search_paged: ldap_parse_result failed " \
1360 "with [%s]\n", ldap_err2string(rc
)));
1364 if (rcontrols
== NULL
)
1367 for (i
=0; rcontrols
[i
]; i
++) {
1369 if (strcmp(ADS_PAGE_CTL_OID
, rcontrols
[i
]->ldctl_oid
) != 0)
1372 cookie_be
= ber_init(&rcontrols
[i
]->ldctl_value
);
1373 ber_scanf(cookie_be
,"{iO}", &tmp
, &cookie_bv
);
1374 /* the berval is the cookie, but must be freed when it is all
1376 if (cookie_bv
->bv_len
)
1377 *cookie
=ber_bvdup(cookie_bv
);
1380 ber_bvfree(cookie_bv
);
1381 ber_free(cookie_be
, 1);
1384 ldap_controls_free(rcontrols
);
1389 int smbldap_modify(struct smbldap_state
*ldap_state
, const char *dn
, LDAPMod
*attrs
[])
1391 int rc
= LDAP_SERVER_DOWN
;
1394 time_t endtime
= time(NULL
)+lp_ldap_timeout();
1395 size_t converted_size
;
1397 SMB_ASSERT(ldap_state
);
1399 DEBUG(5,("smbldap_modify: dn => [%s]\n", dn
));
1401 if (!push_utf8_allocate(&utf8_dn
, dn
, &converted_size
)) {
1402 return LDAP_NO_MEMORY
;
1405 while (another_ldap_try(ldap_state
, &rc
, &attempts
, endtime
)) {
1406 rc
= ldap_modify_s(ldap_state
->ldap_struct
, utf8_dn
, attrs
);
1407 if (rc
!= LDAP_SUCCESS
) {
1408 char *ld_error
= NULL
;
1411 ldap_get_option(ldap_state
->ldap_struct
,
1412 LDAP_OPT_ERROR_NUMBER
, &ld_errno
);
1414 ldap_get_option(ldap_state
->ldap_struct
,
1415 LDAP_OPT_ERROR_STRING
, &ld_error
);
1416 DEBUG(10, ("Failed to modify dn: %s, error: %d (%s) "
1417 "(%s)\n", dn
, ld_errno
,
1418 ldap_err2string(rc
),
1419 ld_error
? ld_error
: "unknown"));
1420 SAFE_FREE(ld_error
);
1422 if (ld_errno
== LDAP_SERVER_DOWN
) {
1423 ldap_unbind(ldap_state
->ldap_struct
);
1424 ldap_state
->ldap_struct
= NULL
;
1433 int smbldap_add(struct smbldap_state
*ldap_state
, const char *dn
, LDAPMod
*attrs
[])
1435 int rc
= LDAP_SERVER_DOWN
;
1438 time_t endtime
= time(NULL
)+lp_ldap_timeout();
1439 size_t converted_size
;
1441 SMB_ASSERT(ldap_state
);
1443 DEBUG(5,("smbldap_add: dn => [%s]\n", dn
));
1445 if (!push_utf8_allocate(&utf8_dn
, dn
, &converted_size
)) {
1446 return LDAP_NO_MEMORY
;
1449 while (another_ldap_try(ldap_state
, &rc
, &attempts
, endtime
)) {
1450 rc
= ldap_add_s(ldap_state
->ldap_struct
, utf8_dn
, attrs
);
1451 if (rc
!= LDAP_SUCCESS
) {
1452 char *ld_error
= NULL
;
1455 ldap_get_option(ldap_state
->ldap_struct
,
1456 LDAP_OPT_ERROR_NUMBER
, &ld_errno
);
1458 ldap_get_option(ldap_state
->ldap_struct
,
1459 LDAP_OPT_ERROR_STRING
, &ld_error
);
1460 DEBUG(10, ("Failed to add dn: %s, error: %d (%s) "
1461 "(%s)\n", dn
, ld_errno
,
1462 ldap_err2string(rc
),
1463 ld_error
? ld_error
: "unknown"));
1464 SAFE_FREE(ld_error
);
1466 if (ld_errno
== LDAP_SERVER_DOWN
) {
1467 ldap_unbind(ldap_state
->ldap_struct
);
1468 ldap_state
->ldap_struct
= NULL
;
1477 int smbldap_delete(struct smbldap_state
*ldap_state
, const char *dn
)
1479 int rc
= LDAP_SERVER_DOWN
;
1482 time_t endtime
= time(NULL
)+lp_ldap_timeout();
1483 size_t converted_size
;
1485 SMB_ASSERT(ldap_state
);
1487 DEBUG(5,("smbldap_delete: dn => [%s]\n", dn
));
1489 if (!push_utf8_allocate(&utf8_dn
, dn
, &converted_size
)) {
1490 return LDAP_NO_MEMORY
;
1493 while (another_ldap_try(ldap_state
, &rc
, &attempts
, endtime
)) {
1494 rc
= ldap_delete_s(ldap_state
->ldap_struct
, utf8_dn
);
1495 if (rc
!= LDAP_SUCCESS
) {
1496 char *ld_error
= NULL
;
1499 ldap_get_option(ldap_state
->ldap_struct
,
1500 LDAP_OPT_ERROR_NUMBER
, &ld_errno
);
1502 ldap_get_option(ldap_state
->ldap_struct
,
1503 LDAP_OPT_ERROR_STRING
, &ld_error
);
1504 DEBUG(10, ("Failed to delete dn: %s, error: %d (%s) "
1505 "(%s)\n", dn
, ld_errno
,
1506 ldap_err2string(rc
),
1507 ld_error
? ld_error
: "unknown"));
1508 SAFE_FREE(ld_error
);
1510 if (ld_errno
== LDAP_SERVER_DOWN
) {
1511 ldap_unbind(ldap_state
->ldap_struct
);
1512 ldap_state
->ldap_struct
= NULL
;
1521 int smbldap_extended_operation(struct smbldap_state
*ldap_state
,
1522 LDAP_CONST
char *reqoid
, struct berval
*reqdata
,
1523 LDAPControl
**serverctrls
, LDAPControl
**clientctrls
,
1524 char **retoidp
, struct berval
**retdatap
)
1526 int rc
= LDAP_SERVER_DOWN
;
1528 time_t endtime
= time(NULL
)+lp_ldap_timeout();
1533 while (another_ldap_try(ldap_state
, &rc
, &attempts
, endtime
)) {
1534 rc
= ldap_extended_operation_s(ldap_state
->ldap_struct
, reqoid
,
1535 reqdata
, serverctrls
,
1536 clientctrls
, retoidp
, retdatap
);
1537 if (rc
!= LDAP_SUCCESS
) {
1538 char *ld_error
= NULL
;
1541 ldap_get_option(ldap_state
->ldap_struct
,
1542 LDAP_OPT_ERROR_NUMBER
, &ld_errno
);
1544 ldap_get_option(ldap_state
->ldap_struct
,
1545 LDAP_OPT_ERROR_STRING
, &ld_error
);
1546 DEBUG(10, ("Extended operation failed with error: "
1547 "%d (%s) (%s)\n", ld_errno
,
1548 ldap_err2string(rc
),
1549 ld_error
? ld_error
: "unknown"));
1550 SAFE_FREE(ld_error
);
1552 if (ld_errno
== LDAP_SERVER_DOWN
) {
1553 ldap_unbind(ldap_state
->ldap_struct
);
1554 ldap_state
->ldap_struct
= NULL
;
1562 /*******************************************************************
1563 run the search by name.
1564 ******************************************************************/
1565 int smbldap_search_suffix (struct smbldap_state
*ldap_state
,
1566 const char *filter
, const char **search_attr
,
1567 LDAPMessage
** result
)
1569 return smbldap_search(ldap_state
, lp_ldap_suffix(), LDAP_SCOPE_SUBTREE
,
1570 filter
, search_attr
, 0, result
);
1573 static void smbldap_idle_fn(struct event_context
*event_ctx
,
1574 struct timed_event
*te
,
1575 const struct timeval
*now
,
1578 struct smbldap_state
*state
= (struct smbldap_state
*)private_data
;
1580 TALLOC_FREE(state
->idle_event
);
1582 if (state
->ldap_struct
== NULL
) {
1583 DEBUG(10,("ldap connection not connected...\n"));
1587 if ((state
->last_use
+SMBLDAP_IDLE_TIME
) > now
->tv_sec
) {
1588 DEBUG(10,("ldap connection not idle...\n"));
1590 state
->idle_event
= event_add_timed(
1592 timeval_add(now
, SMBLDAP_IDLE_TIME
, 0),
1593 "smbldap_idle_fn", smbldap_idle_fn
,
1598 DEBUG(7,("ldap connection idle...closing connection\n"));
1599 smbldap_close(state
);
1602 /**********************************************************************
1604 *********************************************************************/
1606 void smbldap_free_struct(struct smbldap_state
**ldap_state
)
1608 smbldap_close(*ldap_state
);
1610 if ((*ldap_state
)->bind_secret
) {
1611 memset((*ldap_state
)->bind_secret
, '\0', strlen((*ldap_state
)->bind_secret
));
1614 SAFE_FREE((*ldap_state
)->bind_dn
);
1615 SAFE_FREE((*ldap_state
)->bind_secret
);
1617 TALLOC_FREE((*ldap_state
)->idle_event
);
1621 /* No need to free any further, as it is talloc()ed */
1625 /**********************************************************************
1626 Intitalise the 'general' ldap structures, on which ldap operations may be conducted
1627 *********************************************************************/
1629 NTSTATUS
smbldap_init(TALLOC_CTX
*mem_ctx
, struct event_context
*event_ctx
,
1630 const char *location
,
1631 struct smbldap_state
**smbldap_state
)
1633 *smbldap_state
= TALLOC_ZERO_P(mem_ctx
, struct smbldap_state
);
1634 if (!*smbldap_state
) {
1635 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1636 return NT_STATUS_NO_MEMORY
;
1640 (*smbldap_state
)->uri
= talloc_strdup(mem_ctx
, location
);
1642 (*smbldap_state
)->uri
= "ldap://localhost";
1645 (*smbldap_state
)->event_context
= event_ctx
;
1647 return NT_STATUS_OK
;
1650 /*******************************************************************
1651 Return a copy of the DN for a LDAPMessage. Convert from utf8 to CH_UNIX.
1652 ********************************************************************/
1653 char *smbldap_get_dn(LDAP
*ld
, LDAPMessage
*entry
)
1655 char *utf8_dn
, *unix_dn
;
1656 size_t converted_size
;
1658 utf8_dn
= ldap_get_dn(ld
, entry
);
1660 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1663 if (!pull_utf8_allocate(&unix_dn
, utf8_dn
, &converted_size
)) {
1664 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 "
1665 "[%s]\n", utf8_dn
));
1668 ldap_memfree(utf8_dn
);
1672 const char *smbldap_talloc_dn(TALLOC_CTX
*mem_ctx
, LDAP
*ld
,
1675 char *utf8_dn
, *unix_dn
;
1676 size_t converted_size
;
1678 utf8_dn
= ldap_get_dn(ld
, entry
);
1680 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1683 if (!pull_utf8_talloc(mem_ctx
, &unix_dn
, utf8_dn
, &converted_size
)) {
1684 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 "
1685 "[%s]\n", utf8_dn
));
1688 ldap_memfree(utf8_dn
);
1692 /*******************************************************************
1693 Check if root-dse has a certain Control or Extension
1694 ********************************************************************/
1696 static bool smbldap_check_root_dse(LDAP
*ld
, const char **attrs
, const char *value
)
1698 LDAPMessage
*msg
= NULL
;
1699 LDAPMessage
*entry
= NULL
;
1700 char **values
= NULL
;
1701 int rc
, num_result
, num_values
, i
;
1702 bool result
= False
;
1705 DEBUG(3,("smbldap_check_root_dse: nothing to look for\n"));
1709 if (!strequal(attrs
[0], "supportedExtension") &&
1710 !strequal(attrs
[0], "supportedControl") &&
1711 !strequal(attrs
[0], "namingContexts")) {
1712 DEBUG(3,("smbldap_check_root_dse: no idea what to query root-dse for: %s ?\n", attrs
[0]));
1716 rc
= ldap_search_s(ld
, "", LDAP_SCOPE_BASE
,
1717 "(objectclass=*)", CONST_DISCARD(char **, attrs
), 0 , &msg
);
1719 if (rc
!= LDAP_SUCCESS
) {
1720 DEBUG(3,("smbldap_check_root_dse: Could not search rootDSE\n"));
1724 num_result
= ldap_count_entries(ld
, msg
);
1726 if (num_result
!= 1) {
1727 DEBUG(3,("smbldap_check_root_dse: Expected one rootDSE, got %d\n", num_result
));
1731 entry
= ldap_first_entry(ld
, msg
);
1733 if (entry
== NULL
) {
1734 DEBUG(3,("smbldap_check_root_dse: Could not retrieve rootDSE\n"));
1738 values
= ldap_get_values(ld
, entry
, attrs
[0]);
1740 if (values
== NULL
) {
1741 DEBUG(5,("smbldap_check_root_dse: LDAP Server does not support any %s\n", attrs
[0]));
1745 num_values
= ldap_count_values(values
);
1747 if (num_values
== 0) {
1748 DEBUG(5,("smbldap_check_root_dse: LDAP Server does not have any %s\n", attrs
[0]));
1752 for (i
=0; i
<num_values
; i
++) {
1753 if (strcmp(values
[i
], value
) == 0)
1760 ldap_value_free(values
);
1768 /*******************************************************************
1769 Check if LDAP-Server supports a certain Control (OID in string format)
1770 ********************************************************************/
1772 bool smbldap_has_control(LDAP
*ld
, const char *control
)
1774 const char *attrs
[] = { "supportedControl", NULL
};
1775 return smbldap_check_root_dse(ld
, attrs
, control
);
1778 /*******************************************************************
1779 Check if LDAP-Server supports a certain Extension (OID in string format)
1780 ********************************************************************/
1782 bool smbldap_has_extension(LDAP
*ld
, const char *extension
)
1784 const char *attrs
[] = { "supportedExtension", NULL
};
1785 return smbldap_check_root_dse(ld
, attrs
, extension
);
1788 /*******************************************************************
1789 Check if LDAP-Server holds a given namingContext
1790 ********************************************************************/
1792 bool smbldap_has_naming_context(LDAP
*ld
, const char *naming_context
)
1794 const char *attrs
[] = { "namingContexts", NULL
};
1795 return smbldap_check_root_dse(ld
, attrs
, naming_context
);
1798 bool smbldap_set_creds(struct smbldap_state
*ldap_state
, bool anon
, const char *dn
, const char *secret
)
1800 ldap_state
->anonymous
= anon
;
1802 /* free any previously set credential */
1804 SAFE_FREE(ldap_state
->bind_dn
);
1805 if (ldap_state
->bind_secret
) {
1806 /* make sure secrets are zeroed out of memory */
1807 memset(ldap_state
->bind_secret
, '\0', strlen(ldap_state
->bind_secret
));
1808 SAFE_FREE(ldap_state
->bind_secret
);
1812 ldap_state
->bind_dn
= SMB_STRDUP(dn
);
1813 ldap_state
->bind_secret
= SMB_STRDUP(secret
);