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 #include "../libcli/security/security.h"
30 /* Try not to hit the up or down server forever */
32 #define SMBLDAP_DONT_PING_TIME 10 /* ping only all 10 seconds */
33 #define SMBLDAP_NUM_RETRIES 8 /* retry only 8 times */
35 #define SMBLDAP_IDLE_TIME 150 /* After 2.5 minutes disconnect */
38 /* attributes used by Samba 2.2 */
40 ATTRIB_MAP_ENTRY attrib_map_v22
[] = {
41 { LDAP_ATTR_UID
, "uid" },
42 { LDAP_ATTR_UIDNUMBER
, LDAP_ATTRIBUTE_UIDNUMBER
},
43 { LDAP_ATTR_GIDNUMBER
, LDAP_ATTRIBUTE_GIDNUMBER
},
44 { LDAP_ATTR_UNIX_HOME
, "homeDirectory" },
45 { LDAP_ATTR_PWD_LAST_SET
, "pwdLastSet" },
46 { LDAP_ATTR_PWD_CAN_CHANGE
, "pwdCanChange" },
47 { LDAP_ATTR_PWD_MUST_CHANGE
, "pwdMustChange" },
48 { LDAP_ATTR_LOGON_TIME
, "logonTime" },
49 { LDAP_ATTR_LOGOFF_TIME
, "logoffTime" },
50 { LDAP_ATTR_KICKOFF_TIME
, "kickoffTime" },
51 { LDAP_ATTR_CN
, "cn" },
52 { LDAP_ATTR_SN
, "sn" },
53 { LDAP_ATTR_DISPLAY_NAME
, "displayName" },
54 { LDAP_ATTR_HOME_PATH
, "smbHome" },
55 { LDAP_ATTR_HOME_DRIVE
, "homeDrive" },
56 { LDAP_ATTR_LOGON_SCRIPT
, "scriptPath" },
57 { LDAP_ATTR_PROFILE_PATH
, "profilePath" },
58 { LDAP_ATTR_DESC
, "description" },
59 { LDAP_ATTR_USER_WKS
, "userWorkstations"},
60 { LDAP_ATTR_USER_RID
, "rid" },
61 { LDAP_ATTR_PRIMARY_GROUP_RID
, "primaryGroupID"},
62 { LDAP_ATTR_LMPW
, "lmPassword" },
63 { LDAP_ATTR_NTPW
, "ntPassword" },
64 { LDAP_ATTR_DOMAIN
, "domain" },
65 { LDAP_ATTR_OBJCLASS
, "objectClass" },
66 { LDAP_ATTR_ACB_INFO
, "acctFlags" },
67 { LDAP_ATTR_MOD_TIMESTAMP
, "modifyTimestamp" },
68 { LDAP_ATTR_LIST_END
, NULL
}
71 ATTRIB_MAP_ENTRY attrib_map_to_delete_v22
[] = {
72 { LDAP_ATTR_PWD_LAST_SET
, "pwdLastSet" },
73 { LDAP_ATTR_PWD_CAN_CHANGE
, "pwdCanChange" },
74 { LDAP_ATTR_PWD_MUST_CHANGE
, "pwdMustChange" },
75 { LDAP_ATTR_LOGON_TIME
, "logonTime" },
76 { LDAP_ATTR_LOGOFF_TIME
, "logoffTime" },
77 { LDAP_ATTR_KICKOFF_TIME
, "kickoffTime" },
78 { LDAP_ATTR_DISPLAY_NAME
, "displayName" },
79 { LDAP_ATTR_HOME_PATH
, "smbHome" },
80 { LDAP_ATTR_HOME_DRIVE
, "homeDrives" },
81 { LDAP_ATTR_LOGON_SCRIPT
, "scriptPath" },
82 { LDAP_ATTR_PROFILE_PATH
, "profilePath" },
83 { LDAP_ATTR_USER_WKS
, "userWorkstations"},
84 { LDAP_ATTR_USER_RID
, "rid" },
85 { LDAP_ATTR_PRIMARY_GROUP_RID
, "primaryGroupID"},
86 { LDAP_ATTR_LMPW
, "lmPassword" },
87 { LDAP_ATTR_NTPW
, "ntPassword" },
88 { LDAP_ATTR_DOMAIN
, "domain" },
89 { LDAP_ATTR_ACB_INFO
, "acctFlags" },
90 { LDAP_ATTR_LIST_END
, NULL
}
93 /* attributes used by Samba 3.0's sambaSamAccount */
95 ATTRIB_MAP_ENTRY attrib_map_v30
[] = {
96 { LDAP_ATTR_UID
, "uid" },
97 { LDAP_ATTR_UIDNUMBER
, LDAP_ATTRIBUTE_UIDNUMBER
},
98 { LDAP_ATTR_GIDNUMBER
, LDAP_ATTRIBUTE_GIDNUMBER
},
99 { LDAP_ATTR_UNIX_HOME
, "homeDirectory" },
100 { LDAP_ATTR_PWD_LAST_SET
, "sambaPwdLastSet" },
101 { LDAP_ATTR_PWD_CAN_CHANGE
, "sambaPwdCanChange" },
102 { LDAP_ATTR_PWD_MUST_CHANGE
, "sambaPwdMustChange" },
103 { LDAP_ATTR_LOGON_TIME
, "sambaLogonTime" },
104 { LDAP_ATTR_LOGOFF_TIME
, "sambaLogoffTime" },
105 { LDAP_ATTR_KICKOFF_TIME
, "sambaKickoffTime" },
106 { LDAP_ATTR_CN
, "cn" },
107 { LDAP_ATTR_SN
, "sn" },
108 { LDAP_ATTR_DISPLAY_NAME
, "displayName" },
109 { LDAP_ATTR_HOME_DRIVE
, "sambaHomeDrive" },
110 { LDAP_ATTR_HOME_PATH
, "sambaHomePath" },
111 { LDAP_ATTR_LOGON_SCRIPT
, "sambaLogonScript" },
112 { LDAP_ATTR_PROFILE_PATH
, "sambaProfilePath" },
113 { LDAP_ATTR_DESC
, "description" },
114 { LDAP_ATTR_USER_WKS
, "sambaUserWorkstations" },
115 { LDAP_ATTR_USER_SID
, LDAP_ATTRIBUTE_SID
},
116 { LDAP_ATTR_PRIMARY_GROUP_SID
, "sambaPrimaryGroupSID" },
117 { LDAP_ATTR_LMPW
, "sambaLMPassword" },
118 { LDAP_ATTR_NTPW
, "sambaNTPassword" },
119 { LDAP_ATTR_DOMAIN
, "sambaDomainName" },
120 { LDAP_ATTR_OBJCLASS
, "objectClass" },
121 { LDAP_ATTR_ACB_INFO
, "sambaAcctFlags" },
122 { LDAP_ATTR_MUNGED_DIAL
, "sambaMungedDial" },
123 { LDAP_ATTR_BAD_PASSWORD_COUNT
, "sambaBadPasswordCount" },
124 { LDAP_ATTR_BAD_PASSWORD_TIME
, "sambaBadPasswordTime" },
125 { LDAP_ATTR_PWD_HISTORY
, "sambaPasswordHistory" },
126 { LDAP_ATTR_MOD_TIMESTAMP
, "modifyTimestamp" },
127 { LDAP_ATTR_LOGON_HOURS
, "sambaLogonHours" },
128 { LDAP_ATTR_LIST_END
, NULL
}
131 ATTRIB_MAP_ENTRY attrib_map_to_delete_v30
[] = {
132 { LDAP_ATTR_PWD_LAST_SET
, "sambaPwdLastSet" },
133 { LDAP_ATTR_PWD_CAN_CHANGE
, "sambaPwdCanChange" },
134 { LDAP_ATTR_PWD_MUST_CHANGE
, "sambaPwdMustChange" },
135 { LDAP_ATTR_LOGON_TIME
, "sambaLogonTime" },
136 { LDAP_ATTR_LOGOFF_TIME
, "sambaLogoffTime" },
137 { LDAP_ATTR_KICKOFF_TIME
, "sambaKickoffTime" },
138 { LDAP_ATTR_DISPLAY_NAME
, "displayName" },
139 { LDAP_ATTR_HOME_DRIVE
, "sambaHomeDrive" },
140 { LDAP_ATTR_HOME_PATH
, "sambaHomePath" },
141 { LDAP_ATTR_LOGON_SCRIPT
, "sambaLogonScript" },
142 { LDAP_ATTR_PROFILE_PATH
, "sambaProfilePath" },
143 { LDAP_ATTR_USER_WKS
, "sambaUserWorkstations" },
144 { LDAP_ATTR_USER_SID
, LDAP_ATTRIBUTE_SID
},
145 { LDAP_ATTR_PRIMARY_GROUP_SID
, "sambaPrimaryGroupSID" },
146 { LDAP_ATTR_LMPW
, "sambaLMPassword" },
147 { LDAP_ATTR_NTPW
, "sambaNTPassword" },
148 { LDAP_ATTR_DOMAIN
, "sambaDomainName" },
149 { LDAP_ATTR_ACB_INFO
, "sambaAcctFlags" },
150 { LDAP_ATTR_MUNGED_DIAL
, "sambaMungedDial" },
151 { LDAP_ATTR_BAD_PASSWORD_COUNT
, "sambaBadPasswordCount" },
152 { LDAP_ATTR_BAD_PASSWORD_TIME
, "sambaBadPasswordTime" },
153 { LDAP_ATTR_PWD_HISTORY
, "sambaPasswordHistory" },
154 { LDAP_ATTR_LOGON_HOURS
, "sambaLogonHours" },
155 { LDAP_ATTR_LIST_END
, NULL
}
158 /* attributes used for allocating RIDs */
160 ATTRIB_MAP_ENTRY dominfo_attr_list
[] = {
161 { LDAP_ATTR_DOMAIN
, "sambaDomainName" },
162 { LDAP_ATTR_NEXT_RID
, "sambaNextRid" },
163 { LDAP_ATTR_NEXT_USERRID
, "sambaNextUserRid" },
164 { LDAP_ATTR_NEXT_GROUPRID
, "sambaNextGroupRid" },
165 { LDAP_ATTR_DOM_SID
, LDAP_ATTRIBUTE_SID
},
166 { LDAP_ATTR_ALGORITHMIC_RID_BASE
,"sambaAlgorithmicRidBase"},
167 { LDAP_ATTR_OBJCLASS
, "objectClass" },
168 { LDAP_ATTR_LIST_END
, NULL
},
171 /* Samba 3.0 group mapping attributes */
173 ATTRIB_MAP_ENTRY groupmap_attr_list
[] = {
174 { LDAP_ATTR_GIDNUMBER
, LDAP_ATTRIBUTE_GIDNUMBER
},
175 { LDAP_ATTR_GROUP_SID
, LDAP_ATTRIBUTE_SID
},
176 { LDAP_ATTR_GROUP_TYPE
, "sambaGroupType" },
177 { LDAP_ATTR_SID_LIST
, "sambaSIDList" },
178 { LDAP_ATTR_DESC
, "description" },
179 { LDAP_ATTR_DISPLAY_NAME
, "displayName" },
180 { LDAP_ATTR_CN
, "cn" },
181 { LDAP_ATTR_OBJCLASS
, "objectClass" },
182 { LDAP_ATTR_LIST_END
, NULL
}
185 ATTRIB_MAP_ENTRY groupmap_attr_list_to_delete
[] = {
186 { LDAP_ATTR_GROUP_SID
, LDAP_ATTRIBUTE_SID
},
187 { LDAP_ATTR_GROUP_TYPE
, "sambaGroupType" },
188 { LDAP_ATTR_DESC
, "description" },
189 { LDAP_ATTR_DISPLAY_NAME
, "displayName" },
190 { LDAP_ATTR_SID_LIST
, "sambaSIDList" },
191 { LDAP_ATTR_LIST_END
, NULL
}
194 /* idmap_ldap sambaUnixIdPool */
196 ATTRIB_MAP_ENTRY idpool_attr_list
[] = {
197 { LDAP_ATTR_UIDNUMBER
, LDAP_ATTRIBUTE_UIDNUMBER
},
198 { LDAP_ATTR_GIDNUMBER
, LDAP_ATTRIBUTE_GIDNUMBER
},
199 { LDAP_ATTR_OBJCLASS
, "objectClass" },
200 { LDAP_ATTR_LIST_END
, NULL
}
203 ATTRIB_MAP_ENTRY sidmap_attr_list
[] = {
204 { LDAP_ATTR_SID
, LDAP_ATTRIBUTE_SID
},
205 { LDAP_ATTR_UIDNUMBER
, LDAP_ATTRIBUTE_UIDNUMBER
},
206 { LDAP_ATTR_GIDNUMBER
, LDAP_ATTRIBUTE_GIDNUMBER
},
207 { LDAP_ATTR_OBJCLASS
, "objectClass" },
208 { LDAP_ATTR_LIST_END
, NULL
}
211 /**********************************************************************
212 perform a simple table lookup and return the attribute name
213 **********************************************************************/
215 const char* get_attr_key2string( ATTRIB_MAP_ENTRY table
[], int key
)
219 while ( table
[i
].attrib
!= LDAP_ATTR_LIST_END
) {
220 if ( table
[i
].attrib
== key
)
221 return table
[i
].name
;
229 /**********************************************************************
230 Return the list of attribute names from a mapping table
231 **********************************************************************/
233 const char** get_attr_list( TALLOC_CTX
*mem_ctx
, ATTRIB_MAP_ENTRY table
[] )
238 while ( table
[i
].attrib
!= LDAP_ATTR_LIST_END
)
242 names
= talloc_array( mem_ctx
, const char*, i
);
244 DEBUG(0,("get_attr_list: out of memory\n"));
249 while ( table
[i
].attrib
!= LDAP_ATTR_LIST_END
) {
250 names
[i
] = talloc_strdup( names
, table
[i
].name
);
258 /*******************************************************************
259 Search an attribute and return the first value found.
260 ******************************************************************/
262 bool smbldap_get_single_attribute (LDAP
* ldap_struct
, LDAPMessage
* entry
,
263 const char *attribute
, char *value
,
274 if ((values
= ldap_get_values (ldap_struct
, entry
, attribute
)) == NULL
) {
275 DEBUG (10, ("smbldap_get_single_attribute: [%s] = [<does not exist>]\n", attribute
));
280 if (!convert_string(CH_UTF8
, CH_UNIX
,values
[0], -1, value
, max_len
, &size
)) {
281 DEBUG(1, ("smbldap_get_single_attribute: string conversion of [%s] = [%s] failed!\n",
282 attribute
, values
[0]));
283 ldap_value_free(values
);
287 ldap_value_free(values
);
288 #ifdef DEBUG_PASSWORDS
289 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n", attribute
, value
));
294 char * smbldap_talloc_single_attribute(LDAP
*ldap_struct
, LDAPMessage
*entry
,
295 const char *attribute
,
300 size_t converted_size
;
302 if (attribute
== NULL
) {
306 values
= ldap_get_values(ldap_struct
, entry
, attribute
);
308 if (values
== NULL
) {
309 DEBUG(10, ("attribute %s does not exist\n", attribute
));
313 if (ldap_count_values(values
) != 1) {
314 DEBUG(10, ("attribute %s has %d values, expected only one\n",
315 attribute
, ldap_count_values(values
)));
316 ldap_value_free(values
);
320 if (!pull_utf8_talloc(mem_ctx
, &result
, values
[0], &converted_size
)) {
321 DEBUG(10, ("pull_utf8_talloc failed\n"));
322 ldap_value_free(values
);
326 ldap_value_free(values
);
328 #ifdef DEBUG_PASSWORDS
329 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n",
335 char * smbldap_talloc_first_attribute(LDAP
*ldap_struct
, LDAPMessage
*entry
,
336 const char *attribute
,
341 size_t converted_size
;
343 if (attribute
== NULL
) {
347 values
= ldap_get_values(ldap_struct
, entry
, attribute
);
349 if (values
== NULL
) {
350 DEBUG(10, ("attribute %s does not exist\n", attribute
));
354 if (!pull_utf8_talloc(mem_ctx
, &result
, values
[0], &converted_size
)) {
355 DEBUG(10, ("pull_utf8_talloc failed\n"));
356 ldap_value_free(values
);
360 ldap_value_free(values
);
362 #ifdef DEBUG_PASSWORDS
363 DEBUG (100, ("smbldap_get_first_attribute: [%s] = [%s]\n",
369 char * smbldap_talloc_smallest_attribute(LDAP
*ldap_struct
, LDAPMessage
*entry
,
370 const char *attribute
,
375 size_t converted_size
;
378 if (attribute
== NULL
) {
382 values
= ldap_get_values(ldap_struct
, entry
, attribute
);
384 if (values
== NULL
) {
385 DEBUG(10, ("attribute %s does not exist\n", attribute
));
389 if (!pull_utf8_talloc(mem_ctx
, &result
, values
[0], &converted_size
)) {
390 DEBUG(10, ("pull_utf8_talloc failed\n"));
391 ldap_value_free(values
);
395 num_values
= ldap_count_values(values
);
397 for (i
=1; i
<num_values
; i
++) {
400 if (!pull_utf8_talloc(mem_ctx
, &tmp
, values
[i
],
402 DEBUG(10, ("pull_utf8_talloc failed\n"));
404 ldap_value_free(values
);
408 if (strcasecmp_m(tmp
, result
) < 0) {
416 ldap_value_free(values
);
418 #ifdef DEBUG_PASSWORDS
419 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n",
425 bool smbldap_talloc_single_blob(TALLOC_CTX
*mem_ctx
, LDAP
*ld
,
426 LDAPMessage
*msg
, const char *attrib
,
429 struct berval
**values
;
431 values
= ldap_get_values_len(ld
, msg
, attrib
);
436 if (ldap_count_values_len(values
) != 1) {
437 DEBUG(10, ("Expected one value for %s, got %d\n", attrib
,
438 ldap_count_values_len(values
)));
442 *blob
= data_blob_talloc(mem_ctx
, values
[0]->bv_val
,
444 ldap_value_free_len(values
);
446 return (blob
->data
!= NULL
);
449 bool smbldap_pull_sid(LDAP
*ld
, LDAPMessage
*msg
, const char *attrib
,
455 if (!smbldap_talloc_single_blob(talloc_tos(), ld
, msg
, attrib
,
459 ret
= sid_parse((char *)blob
.data
, blob
.length
, sid
);
460 TALLOC_FREE(blob
.data
);
464 static int ldapmsg_destructor(LDAPMessage
**result
) {
465 ldap_msgfree(*result
);
469 void talloc_autofree_ldapmsg(TALLOC_CTX
*mem_ctx
, LDAPMessage
*result
)
471 LDAPMessage
**handle
;
473 if (result
== NULL
) {
477 handle
= talloc(mem_ctx
, LDAPMessage
*);
478 SMB_ASSERT(handle
!= NULL
);
481 talloc_set_destructor(handle
, ldapmsg_destructor
);
484 static int ldapmod_destructor(LDAPMod
***mod
) {
485 ldap_mods_free(*mod
, True
);
489 void talloc_autofree_ldapmod(TALLOC_CTX
*mem_ctx
, LDAPMod
**mod
)
497 handle
= talloc(mem_ctx
, LDAPMod
**);
498 SMB_ASSERT(handle
!= NULL
);
501 talloc_set_destructor(handle
, ldapmod_destructor
);
504 /************************************************************************
505 Routine to manage the LDAPMod structure array
506 manage memory used by the array, by each struct, and values
507 ***********************************************************************/
509 static void smbldap_set_mod_internal(LDAPMod
*** modlist
, int modop
, const char *attribute
, const char *value
, const DATA_BLOB
*blob
)
517 /* sanity checks on the mod values */
519 if (attribute
== NULL
|| *attribute
== '\0') {
523 #if 0 /* commented out after discussion with abartlet. Do not reenable.
524 left here so other do not re-add similar code --jerry */
525 if (value
== NULL
|| *value
== '\0')
530 mods
= SMB_MALLOC_P(LDAPMod
*);
532 smb_panic("smbldap_set_mod: out of memory!");
538 for (i
= 0; mods
[i
] != NULL
; ++i
) {
539 if (mods
[i
]->mod_op
== modop
&& strequal(mods
[i
]->mod_type
, attribute
))
543 if (mods
[i
] == NULL
) {
544 mods
= SMB_REALLOC_ARRAY (mods
, LDAPMod
*, i
+ 2);
546 smb_panic("smbldap_set_mod: out of memory!");
549 mods
[i
] = SMB_MALLOC_P(LDAPMod
);
550 if (mods
[i
] == NULL
) {
551 smb_panic("smbldap_set_mod: out of memory!");
554 mods
[i
]->mod_op
= modop
;
555 mods
[i
]->mod_values
= NULL
;
556 mods
[i
]->mod_type
= SMB_STRDUP(attribute
);
560 if (blob
&& (modop
& LDAP_MOD_BVALUES
)) {
562 if (mods
[i
]->mod_bvalues
!= NULL
) {
563 for (; mods
[i
]->mod_bvalues
[j
] != NULL
; j
++);
565 mods
[i
]->mod_bvalues
= SMB_REALLOC_ARRAY(mods
[i
]->mod_bvalues
, struct berval
*, j
+ 2);
567 if (mods
[i
]->mod_bvalues
== NULL
) {
568 smb_panic("smbldap_set_mod: out of memory!");
572 mods
[i
]->mod_bvalues
[j
] = SMB_MALLOC_P(struct berval
);
573 SMB_ASSERT(mods
[i
]->mod_bvalues
[j
] != NULL
);
575 mods
[i
]->mod_bvalues
[j
]->bv_val
= (char *)memdup(blob
->data
, blob
->length
);
576 SMB_ASSERT(mods
[i
]->mod_bvalues
[j
]->bv_val
!= NULL
);
577 mods
[i
]->mod_bvalues
[j
]->bv_len
= blob
->length
;
579 mods
[i
]->mod_bvalues
[j
+ 1] = NULL
;
580 } else if (value
!= NULL
) {
581 char *utf8_value
= NULL
;
582 size_t converted_size
;
585 if (mods
[i
]->mod_values
!= NULL
) {
586 for (; mods
[i
]->mod_values
[j
] != NULL
; j
++);
588 mods
[i
]->mod_values
= SMB_REALLOC_ARRAY(mods
[i
]->mod_values
, char *, j
+ 2);
590 if (mods
[i
]->mod_values
== NULL
) {
591 smb_panic("smbldap_set_mod: out of memory!");
595 if (!push_utf8_talloc(talloc_tos(), &utf8_value
, value
, &converted_size
)) {
596 smb_panic("smbldap_set_mod: String conversion failure!");
600 mods
[i
]->mod_values
[j
] = SMB_STRDUP(utf8_value
);
601 TALLOC_FREE(utf8_value
);
602 SMB_ASSERT(mods
[i
]->mod_values
[j
] != NULL
);
604 mods
[i
]->mod_values
[j
+ 1] = NULL
;
609 void smbldap_set_mod (LDAPMod
*** modlist
, int modop
, const char *attribute
, const char *value
)
611 smbldap_set_mod_internal(modlist
, modop
, attribute
, value
, NULL
);
614 void smbldap_set_mod_blob(LDAPMod
*** modlist
, int modop
, const char *attribute
, const DATA_BLOB
*value
)
616 smbldap_set_mod_internal(modlist
, modop
| LDAP_MOD_BVALUES
, attribute
, NULL
, value
);
619 /**********************************************************************
620 Set attribute to newval in LDAP, regardless of what value the
621 attribute had in LDAP before.
622 *********************************************************************/
624 static void smbldap_make_mod_internal(LDAP
*ldap_struct
, LDAPMessage
*existing
,
626 const char *attribute
, int op
,
628 const DATA_BLOB
*newblob
)
630 char oldval
[2048]; /* current largest allowed value is mungeddial */
632 DATA_BLOB oldblob
= data_blob_null
;
634 if (attribute
== NULL
) {
635 /* This can actually happen for ldapsam_compat where we for
636 * example don't have a password history */
640 if (existing
!= NULL
) {
641 if (op
& LDAP_MOD_BVALUES
) {
642 existed
= smbldap_talloc_single_blob(talloc_tos(), ldap_struct
, existing
, attribute
, &oldblob
);
644 existed
= smbldap_get_single_attribute(ldap_struct
, existing
, attribute
, oldval
, sizeof(oldval
));
653 if (op
& LDAP_MOD_BVALUES
) {
654 equal
= (newblob
&& (data_blob_cmp(&oldblob
, newblob
) == 0));
656 /* all of our string attributes are case insensitive */
657 equal
= (newval
&& (strcasecmp_m(oldval
, newval
) == 0));
661 /* Believe it or not, but LDAP will deny a delete and
662 an add at the same time if the values are the
664 DEBUG(10,("smbldap_make_mod: attribute |%s| not changed.\n", attribute
));
668 /* There has been no value before, so don't delete it.
669 * Here's a possible race: We might end up with
670 * duplicate attributes */
671 /* By deleting exactly the value we found in the entry this
672 * should be race-free in the sense that the LDAP-Server will
673 * deny the complete operation if somebody changed the
674 * attribute behind our back. */
675 /* This will also allow modifying single valued attributes
676 * in Novell NDS. In NDS you have to first remove attribute and then
677 * you could add new value */
679 if (op
& LDAP_MOD_BVALUES
) {
680 DEBUG(10,("smbldap_make_mod: deleting attribute |%s| blob\n", attribute
));
681 smbldap_set_mod_blob(mods
, LDAP_MOD_DELETE
, attribute
, &oldblob
);
683 DEBUG(10,("smbldap_make_mod: deleting attribute |%s| values |%s|\n", attribute
, oldval
));
684 smbldap_set_mod(mods
, LDAP_MOD_DELETE
, attribute
, oldval
);
688 /* Regardless of the real operation (add or modify)
689 we add the new value here. We rely on deleting
690 the old value, should it exist. */
692 if (op
& LDAP_MOD_BVALUES
) {
693 if (newblob
&& newblob
->length
) {
694 DEBUG(10,("smbldap_make_mod: adding attribute |%s| blob\n", attribute
));
695 smbldap_set_mod_blob(mods
, LDAP_MOD_ADD
, attribute
, newblob
);
698 if ((newval
!= NULL
) && (strlen(newval
) > 0)) {
699 DEBUG(10,("smbldap_make_mod: adding attribute |%s| value |%s|\n", attribute
, newval
));
700 smbldap_set_mod(mods
, LDAP_MOD_ADD
, attribute
, newval
);
705 void smbldap_make_mod(LDAP
*ldap_struct
, LDAPMessage
*existing
,
707 const char *attribute
, const char *newval
)
709 smbldap_make_mod_internal(ldap_struct
, existing
, mods
, attribute
,
713 void smbldap_make_mod_blob(LDAP
*ldap_struct
, LDAPMessage
*existing
,
715 const char *attribute
, const DATA_BLOB
*newblob
)
717 smbldap_make_mod_internal(ldap_struct
, existing
, mods
, attribute
,
718 LDAP_MOD_BVALUES
, NULL
, newblob
);
721 /**********************************************************************
722 Some varients of the LDAP rebind code do not pass in the third 'arg'
723 pointer to a void*, so we try and work around it by assuming that the
724 value of the 'LDAP *' pointer is the same as the one we had passed in
725 **********************************************************************/
727 struct smbldap_state_lookup
{
729 struct smbldap_state
*smbldap_state
;
730 struct smbldap_state_lookup
*prev
, *next
;
733 static struct smbldap_state_lookup
*smbldap_state_lookup_list
;
735 static struct smbldap_state
*smbldap_find_state(LDAP
*ld
)
737 struct smbldap_state_lookup
*t
;
739 for (t
= smbldap_state_lookup_list
; t
; t
= t
->next
) {
741 return t
->smbldap_state
;
747 static void smbldap_delete_state(struct smbldap_state
*smbldap_state
)
749 struct smbldap_state_lookup
*t
;
751 for (t
= smbldap_state_lookup_list
; t
; t
= t
->next
) {
752 if (t
->smbldap_state
== smbldap_state
) {
753 DLIST_REMOVE(smbldap_state_lookup_list
, t
);
760 static void smbldap_store_state(LDAP
*ld
, struct smbldap_state
*smbldap_state
)
762 struct smbldap_state
*tmp_ldap_state
;
763 struct smbldap_state_lookup
*t
;
765 if ((tmp_ldap_state
= smbldap_find_state(ld
))) {
766 SMB_ASSERT(tmp_ldap_state
== smbldap_state
);
770 t
= SMB_XMALLOC_P(struct smbldap_state_lookup
);
773 DLIST_ADD_END(smbldap_state_lookup_list
, t
, struct smbldap_state_lookup
*);
775 t
->smbldap_state
= smbldap_state
;
778 /********************************************************************
779 start TLS on an existing LDAP connection
780 *******************************************************************/
782 int smb_ldap_start_tls(LDAP
*ldap_struct
, int version
)
784 #ifdef LDAP_OPT_X_TLS
788 if (lp_ldap_ssl() != LDAP_SSL_START_TLS
) {
792 #ifdef LDAP_OPT_X_TLS
793 if (version
!= LDAP_VERSION3
) {
794 DEBUG(0, ("Need LDAPv3 for Start TLS\n"));
795 return LDAP_OPERATIONS_ERROR
;
798 if ((rc
= ldap_start_tls_s (ldap_struct
, NULL
, NULL
)) != LDAP_SUCCESS
) {
799 DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
800 ldap_err2string(rc
)));
804 DEBUG (3, ("StartTLS issued: using a TLS connection\n"));
807 DEBUG(0,("StartTLS not supported by LDAP client libraries!\n"));
808 return LDAP_OPERATIONS_ERROR
;
812 /********************************************************************
813 setup a connection to the LDAP server based on a uri
814 *******************************************************************/
816 static int smb_ldap_setup_conn(LDAP
**ldap_struct
, const char *uri
)
820 DEBUG(10, ("smb_ldap_setup_connection: %s\n", uri
));
822 #ifdef HAVE_LDAP_INITIALIZE
824 rc
= ldap_initialize(ldap_struct
, uri
);
826 DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc
)));
830 if (lp_ldap_follow_referral() != Auto
) {
831 rc
= ldap_set_option(*ldap_struct
, LDAP_OPT_REFERRALS
,
832 lp_ldap_follow_referral() ? LDAP_OPT_ON
: LDAP_OPT_OFF
);
833 if (rc
!= LDAP_SUCCESS
)
834 DEBUG(0, ("Failed to set LDAP_OPT_REFERRALS: %s\n",
835 ldap_err2string(rc
)));
841 /* Parse the string manually */
847 SMB_ASSERT(sizeof(protocol
)>10 && sizeof(host
)>254);
850 /* skip leading "URL:" (if any) */
851 if ( strnequal( uri
, "URL:", 4 ) ) {
855 sscanf(uri
, "%10[^:]://%254[^:/]:%d", protocol
, host
, &port
);
858 if (strequal(protocol
, "ldap")) {
860 } else if (strequal(protocol
, "ldaps")) {
863 DEBUG(0, ("unrecognised protocol (%s)!\n", protocol
));
867 if ((*ldap_struct
= ldap_init(host
, port
)) == NULL
) {
868 DEBUG(0, ("ldap_init failed !\n"));
869 return LDAP_OPERATIONS_ERROR
;
872 if (strequal(protocol
, "ldaps")) {
873 #ifdef LDAP_OPT_X_TLS
874 int tls
= LDAP_OPT_X_TLS_HARD
;
875 if (ldap_set_option (*ldap_struct
, LDAP_OPT_X_TLS
, &tls
) != LDAP_SUCCESS
)
877 DEBUG(0, ("Failed to setup a TLS session\n"));
880 DEBUG(3,("LDAPS option set...!\n"));
882 DEBUG(0,("smbldap_open_connection: Secure connection not supported by LDAP client libraries!\n"));
883 return LDAP_OPERATIONS_ERROR
;
884 #endif /* LDAP_OPT_X_TLS */
887 #endif /* HAVE_LDAP_INITIALIZE */
889 /* now set connection timeout */
890 #ifdef LDAP_X_OPT_CONNECT_TIMEOUT /* Netscape */
892 int ct
= lp_ldap_connection_timeout()*1000;
893 rc
= ldap_set_option(*ldap_struct
, LDAP_X_OPT_CONNECT_TIMEOUT
, &ct
);
894 if (rc
!= LDAP_SUCCESS
) {
895 DEBUG(0,("Failed to setup an ldap connection timeout %d: %s\n",
896 ct
, ldap_err2string(rc
)));
899 #elif defined (LDAP_OPT_NETWORK_TIMEOUT) /* OpenLDAP */
903 ct
.tv_sec
= lp_ldap_connection_timeout();
904 rc
= ldap_set_option(*ldap_struct
, LDAP_OPT_NETWORK_TIMEOUT
, &ct
);
905 if (rc
!= LDAP_SUCCESS
) {
906 DEBUG(0,("Failed to setup an ldap connection timeout %d: %s\n",
907 (int)ct
.tv_sec
, ldap_err2string(rc
)));
915 /********************************************************************
916 try to upgrade to Version 3 LDAP if not already, in either case return current
918 *******************************************************************/
920 static int smb_ldap_upgrade_conn(LDAP
*ldap_struct
, int *new_version
)
925 /* assume the worst */
926 *new_version
= LDAP_VERSION2
;
928 rc
= ldap_get_option(ldap_struct
, LDAP_OPT_PROTOCOL_VERSION
, &version
);
933 if (version
== LDAP_VERSION3
) {
934 *new_version
= LDAP_VERSION3
;
939 version
= LDAP_VERSION3
;
940 rc
= ldap_set_option (ldap_struct
, LDAP_OPT_PROTOCOL_VERSION
, &version
);
945 *new_version
= LDAP_VERSION3
;
949 /*******************************************************************
950 open a connection to the ldap server (just until the bind)
951 ******************************************************************/
953 int smb_ldap_setup_full_conn(LDAP
**ldap_struct
, const char *uri
)
957 rc
= smb_ldap_setup_conn(ldap_struct
, uri
);
962 rc
= smb_ldap_upgrade_conn(*ldap_struct
, &version
);
967 rc
= smb_ldap_start_tls(*ldap_struct
, version
);
975 /*******************************************************************
976 open a connection to the ldap server.
977 ******************************************************************/
978 static int smbldap_open_connection (struct smbldap_state
*ldap_state
)
981 int rc
= LDAP_SUCCESS
;
984 LDAP
**ldap_struct
= &ldap_state
->ldap_struct
;
986 rc
= smb_ldap_setup_conn(ldap_struct
, ldap_state
->uri
);
991 /* Store the LDAP pointer in a lookup list */
993 smbldap_store_state(*ldap_struct
, ldap_state
);
995 /* Upgrade to LDAPv3 if possible */
997 rc
= smb_ldap_upgrade_conn(*ldap_struct
, &version
);
1002 /* Start TLS if required */
1004 rc
= smb_ldap_start_tls(*ldap_struct
, version
);
1009 /* Set alias dereferencing method */
1010 deref
= lp_ldap_deref();
1012 if (ldap_set_option (*ldap_struct
, LDAP_OPT_DEREF
, &deref
) != LDAP_OPT_SUCCESS
) {
1013 DEBUG(1,("smbldap_open_connection: Failed to set dereferencing method: %d\n", deref
));
1015 DEBUG(5,("Set dereferencing method: %d\n", deref
));
1019 DEBUG(2, ("smbldap_open_connection: connection opened\n"));
1023 /*******************************************************************
1024 a rebind function for authenticated referrals
1025 This version takes a void* that we can shove useful stuff in :-)
1026 ******************************************************************/
1027 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
1029 static int rebindproc_with_state (LDAP
* ld
, char **whop
, char **credp
,
1030 int *methodp
, int freeit
, void *arg
)
1032 struct smbldap_state
*ldap_state
= arg
;
1035 /** @TODO Should we be doing something to check what servers we rebind to?
1036 Could we get a referral to a machine that we don't want to give our
1037 username and password to? */
1042 memset(*credp
, '\0', strlen(*credp
));
1046 DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n",
1047 ldap_state
->bind_dn
?ldap_state
->bind_dn
:"[Anonymous bind]"));
1049 if (ldap_state
->anonymous
) {
1053 *whop
= SMB_STRDUP(ldap_state
->bind_dn
);
1055 return LDAP_NO_MEMORY
;
1057 *credp
= SMB_STRDUP(ldap_state
->bind_secret
);
1060 return LDAP_NO_MEMORY
;
1063 *methodp
= LDAP_AUTH_SIMPLE
;
1066 clock_gettime_mono(&ts
);
1067 ldap_state
->last_rebind
= convert_timespec_to_timeval(ts
);
1071 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1073 /*******************************************************************
1074 a rebind function for authenticated referrals
1075 This version takes a void* that we can shove useful stuff in :-)
1076 and actually does the connection.
1077 ******************************************************************/
1078 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
1079 static int rebindproc_connect_with_state (LDAP
*ldap_struct
,
1080 LDAP_CONST
char *url
,
1082 ber_int_t msgid
, void *arg
)
1084 struct smbldap_state
*ldap_state
=
1085 (struct smbldap_state
*)arg
;
1090 DEBUG(5,("rebindproc_connect_with_state: Rebinding to %s as \"%s\"\n",
1091 url
, ldap_state
->bind_dn
?ldap_state
->bind_dn
:"[Anonymous bind]"));
1093 /* call START_TLS again (ldaps:// is handled by the OpenLDAP library
1094 * itself) before rebinding to another LDAP server to avoid to expose
1095 * our credentials. At least *try* to secure the connection - Guenther */
1097 smb_ldap_upgrade_conn(ldap_struct
, &version
);
1098 smb_ldap_start_tls(ldap_struct
, version
);
1100 /** @TODO Should we be doing something to check what servers we rebind to?
1101 Could we get a referral to a machine that we don't want to give our
1102 username and password to? */
1104 rc
= ldap_simple_bind_s(ldap_struct
, ldap_state
->bind_dn
, ldap_state
->bind_secret
);
1106 /* only set the last rebind timestamp when we did rebind after a
1107 * non-read LDAP operation. That way we avoid the replication sleep
1108 * after a simple redirected search operation - Guenther */
1112 case LDAP_REQ_MODIFY
:
1114 case LDAP_REQ_DELETE
:
1115 case LDAP_REQ_MODDN
:
1116 case LDAP_REQ_EXTENDED
:
1117 DEBUG(10,("rebindproc_connect_with_state: "
1118 "setting last_rebind timestamp "
1119 "(req: 0x%02x)\n", (unsigned int)request
));
1120 clock_gettime_mono(&ts
);
1121 ldap_state
->last_rebind
= convert_timespec_to_timeval(ts
);
1124 ZERO_STRUCT(ldap_state
->last_rebind
);
1130 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1132 /*******************************************************************
1133 Add a rebind function for authenticated referrals
1134 ******************************************************************/
1135 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
1137 # if LDAP_SET_REBIND_PROC_ARGS == 2
1138 static int rebindproc (LDAP
*ldap_struct
, char **whop
, char **credp
,
1139 int *method
, int freeit
)
1141 struct smbldap_state
*ldap_state
= smbldap_find_state(ldap_struct
);
1143 return rebindproc_with_state(ldap_struct
, whop
, credp
,
1144 method
, freeit
, ldap_state
);
1146 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
1147 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1149 /*******************************************************************
1150 a rebind function for authenticated referrals
1151 this also does the connection, but no void*.
1152 ******************************************************************/
1153 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
1154 # if LDAP_SET_REBIND_PROC_ARGS == 2
1155 static int rebindproc_connect (LDAP
* ld
, LDAP_CONST
char *url
, int request
,
1158 struct smbldap_state
*ldap_state
= smbldap_find_state(ld
);
1160 return rebindproc_connect_with_state(ld
, url
, (ber_tag_t
)request
, msgid
,
1163 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
1164 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1166 /*******************************************************************
1167 connect to the ldap server under system privilege.
1168 ******************************************************************/
1169 static int smbldap_connect_system(struct smbldap_state
*ldap_state
)
1171 LDAP
*ldap_struct
= ldap_state
->ldap_struct
;
1175 if (!ldap_state
->anonymous
&& !ldap_state
->bind_dn
) {
1176 char *bind_dn
= NULL
;
1177 char *bind_secret
= NULL
;
1179 /* get the default dn and password only if they are not set already */
1180 if (!fetch_ldap_pw(&bind_dn
, &bind_secret
)) {
1181 DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
1182 rc
= LDAP_INVALID_CREDENTIALS
;
1185 smbldap_set_creds(ldap_state
, false, bind_dn
, bind_secret
);
1187 memset(bind_secret
, '\0', strlen(bind_secret
));
1188 SAFE_FREE(bind_secret
);
1191 /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
1192 (OpenLDAP) doesnt' seem to support it */
1194 DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
1195 ldap_state
->uri
, ldap_state
->bind_dn
));
1197 #ifdef HAVE_LDAP_SET_REBIND_PROC
1198 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
1199 # if LDAP_SET_REBIND_PROC_ARGS == 2
1200 ldap_set_rebind_proc(ldap_struct
, &rebindproc_connect
);
1202 # if LDAP_SET_REBIND_PROC_ARGS == 3
1203 ldap_set_rebind_proc(ldap_struct
, &rebindproc_connect_with_state
, (void *)ldap_state
);
1205 #else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1206 # if LDAP_SET_REBIND_PROC_ARGS == 2
1207 ldap_set_rebind_proc(ldap_struct
, &rebindproc
);
1209 # if LDAP_SET_REBIND_PROC_ARGS == 3
1210 ldap_set_rebind_proc(ldap_struct
, &rebindproc_with_state
, (void *)ldap_state
);
1212 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
1215 rc
= ldap_simple_bind_s(ldap_struct
, ldap_state
->bind_dn
, ldap_state
->bind_secret
);
1217 if (rc
!= LDAP_SUCCESS
) {
1218 char *ld_error
= NULL
;
1219 ldap_get_option(ldap_state
->ldap_struct
, LDAP_OPT_ERROR_STRING
,
1221 DEBUG(ldap_state
->num_failures
? 2 : 0,
1222 ("failed to bind to server %s with dn=\"%s\" Error: %s\n\t%s\n",
1224 ldap_state
->bind_dn
? ldap_state
->bind_dn
: "[Anonymous bind]",
1225 ldap_err2string(rc
),
1226 ld_error
? ld_error
: "(unknown)"));
1227 SAFE_FREE(ld_error
);
1228 ldap_state
->num_failures
++;
1232 ldap_state
->num_failures
= 0;
1233 ldap_state
->paged_results
= False
;
1235 ldap_get_option(ldap_state
->ldap_struct
, LDAP_OPT_PROTOCOL_VERSION
, &version
);
1237 if (smbldap_has_control(ldap_state
->ldap_struct
, ADS_PAGE_CTL_OID
) && version
== 3) {
1238 ldap_state
->paged_results
= True
;
1241 DEBUG(3, ("ldap_connect_system: successful connection to the LDAP server\n"));
1242 DEBUGADD(10, ("ldap_connect_system: LDAP server %s support paged results\n",
1243 ldap_state
->paged_results
? "does" : "does not"));
1246 ldap_unbind(ldap_struct
);
1247 ldap_state
->ldap_struct
= NULL
;
1252 static void smbldap_idle_fn(struct event_context
*event_ctx
,
1253 struct timed_event
*te
,
1254 struct timeval now_abs
,
1255 void *private_data
);
1257 /**********************************************************************
1258 Connect to LDAP server (called before every ldap operation)
1259 *********************************************************************/
1260 static int smbldap_open(struct smbldap_state
*ldap_state
)
1263 bool reopen
= False
;
1264 SMB_ASSERT(ldap_state
);
1266 if ((ldap_state
->ldap_struct
!= NULL
) && ((ldap_state
->last_ping
+ SMBLDAP_DONT_PING_TIME
) < time_mono(NULL
))) {
1268 #ifdef HAVE_UNIXSOCKET
1269 struct sockaddr_un addr
;
1271 struct sockaddr addr
;
1273 socklen_t len
= sizeof(addr
);
1276 opt_rc
= ldap_get_option(ldap_state
->ldap_struct
, LDAP_OPT_DESC
, &sd
);
1277 if (opt_rc
== 0 && (getpeername(sd
, (struct sockaddr
*) &addr
, &len
)) < 0 )
1280 #ifdef HAVE_UNIXSOCKET
1281 if (opt_rc
== 0 && addr
.sun_family
== AF_UNIX
)
1285 /* the other end has died. reopen. */
1286 ldap_unbind(ldap_state
->ldap_struct
);
1287 ldap_state
->ldap_struct
= NULL
;
1288 ldap_state
->last_ping
= (time_t)0;
1290 ldap_state
->last_ping
= time_mono(NULL
);
1294 if (ldap_state
->ldap_struct
!= NULL
) {
1295 DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
1296 return LDAP_SUCCESS
;
1299 if ((rc
= smbldap_open_connection(ldap_state
))) {
1303 if ((rc
= smbldap_connect_system(ldap_state
))) {
1308 ldap_state
->last_ping
= time_mono(NULL
);
1309 ldap_state
->pid
= sys_getpid();
1311 TALLOC_FREE(ldap_state
->idle_event
);
1313 if (ldap_state
->event_context
!= NULL
) {
1314 ldap_state
->idle_event
= event_add_timed(
1315 ldap_state
->event_context
, ldap_state
,
1316 timeval_current_ofs(SMBLDAP_IDLE_TIME
, 0),
1317 smbldap_idle_fn
, ldap_state
);
1320 DEBUG(4,("The LDAP server is successfully connected\n"));
1322 return LDAP_SUCCESS
;
1325 /**********************************************************************
1326 Disconnect from LDAP server
1327 *********************************************************************/
1328 static NTSTATUS
smbldap_close(struct smbldap_state
*ldap_state
)
1331 return NT_STATUS_INVALID_PARAMETER
;
1333 if (ldap_state
->ldap_struct
!= NULL
) {
1334 ldap_unbind(ldap_state
->ldap_struct
);
1335 ldap_state
->ldap_struct
= NULL
;
1338 smbldap_delete_state(ldap_state
);
1340 TALLOC_FREE(ldap_state
->idle_event
);
1342 DEBUG(5,("The connection to the LDAP server was closed\n"));
1343 /* maybe free the results here --metze */
1345 return NT_STATUS_OK
;
1348 static SIG_ATOMIC_T got_alarm
;
1350 static void gotalarm_sig(int dummy
)
1355 static int another_ldap_try(struct smbldap_state
*ldap_state
, int *rc
,
1356 int *attempts
, time_t endtime
)
1358 time_t now
= time_mono(NULL
);
1359 int open_rc
= LDAP_SERVER_DOWN
;
1361 if (*rc
!= LDAP_SERVER_DOWN
)
1364 if (now
>= endtime
) {
1365 smbldap_close(ldap_state
);
1370 if (*attempts
== 0) {
1372 CatchSignal(SIGALRM
, gotalarm_sig
);
1373 alarm(endtime
- now
);
1375 if (ldap_state
->pid
!= sys_getpid())
1376 smbldap_close(ldap_state
);
1386 open_rc
= smbldap_open(ldap_state
);
1388 if (open_rc
== LDAP_SUCCESS
) {
1389 ldap_state
->last_use
= now
;
1393 if (open_rc
== LDAP_INSUFFICIENT_ACCESS
) {
1394 /* The fact that we are non-root or any other
1395 * access-denied condition will not change in the next
1396 * round of trying */
1406 if (open_rc
!= LDAP_SUCCESS
) {
1407 DEBUG(1, ("Connection to LDAP server failed for the "
1408 "%d try!\n", *attempts
));
1413 CatchSignal(SIGALRM
, SIG_IGN
);
1415 ldap_state
->last_use
= now
;
1419 /*********************************************************************
1420 ********************************************************************/
1422 static int smbldap_search_ext(struct smbldap_state
*ldap_state
,
1423 const char *base
, int scope
, const char *filter
,
1424 const char *attrs
[], int attrsonly
,
1425 LDAPControl
**sctrls
, LDAPControl
**cctrls
,
1426 int sizelimit
, LDAPMessage
**res
)
1428 int rc
= LDAP_SERVER_DOWN
;
1431 time_t endtime
= time_mono(NULL
)+lp_ldap_timeout();
1432 struct timeval timeout
;
1434 size_t converted_size
;
1436 SMB_ASSERT(ldap_state
);
1438 DEBUG(5,("smbldap_search_ext: base => [%s], filter => [%s], "
1439 "scope => [%d]\n", base
, filter
, scope
));
1441 if (ldap_state
->last_rebind
.tv_sec
> 0) {
1442 struct timeval tval
;
1447 clock_gettime_mono(&ts
);
1448 tval
= convert_timespec_to_timeval(ts
);
1450 tdiff
= usec_time_diff(&tval
, &ldap_state
->last_rebind
);
1451 tdiff
/= 1000; /* Convert to milliseconds. */
1453 sleep_time
= lp_ldap_replication_sleep()-(int)tdiff
;
1454 sleep_time
= MIN(sleep_time
, MAX_LDAP_REPLICATION_SLEEP_TIME
);
1456 if (sleep_time
> 0) {
1457 /* we wait for the LDAP replication */
1458 DEBUG(5,("smbldap_search_ext: waiting %d milliseconds "
1459 "for LDAP replication.\n",sleep_time
));
1460 smb_msleep(sleep_time
);
1461 DEBUG(5,("smbldap_search_ext: go on!\n"));
1463 ZERO_STRUCT(ldap_state
->last_rebind
);
1466 if (!push_utf8_talloc(talloc_tos(), &utf8_filter
, filter
, &converted_size
)) {
1467 return LDAP_NO_MEMORY
;
1470 /* Setup timeout for the ldap_search_ext_s call - local and remote. */
1471 timeout
.tv_sec
= lp_ldap_timeout();
1472 timeout
.tv_usec
= 0;
1474 /* Setup alarm timeout.... Do we need both of these ? JRA.
1475 * Yes, I think we do need both of these. The server timeout only
1476 * covers the case where the server's operation takes too long. It
1477 * does not cover the case where the request hangs on its way to the
1478 * server. The server side timeout is not strictly necessary, it's
1479 * just a bit more kind to the server. VL.
1480 * We prefer to get the server termination though because otherwise we
1481 * have to rebind to the LDAP server aѕ we get a LDAP_SERVER_DOWN in the
1482 * alarm termination case. So let's call the alarm 2s later, which
1483 * should be enough for the server to report the timelimit exceeded.
1484 * in case the ldal timeout is 0 (no limit) we set the _no_ alarm
1485 * accordingly. BJ. */
1488 CatchSignal(SIGALRM
, gotalarm_sig
);
1489 alarm_timer
= lp_ldap_timeout();
1490 if (alarm_timer
> 0) {
1494 /* End setup timeout. */
1496 while (another_ldap_try(ldap_state
, &rc
, &attempts
, endtime
)) {
1497 rc
= ldap_search_ext_s(ldap_state
->ldap_struct
, base
, scope
,
1499 discard_const_p(char *, attrs
),
1500 attrsonly
, sctrls
, cctrls
, &timeout
,
1502 if (rc
!= LDAP_SUCCESS
) {
1503 char *ld_error
= NULL
;
1506 ldap_get_option(ldap_state
->ldap_struct
,
1507 LDAP_OPT_ERROR_NUMBER
, &ld_errno
);
1509 ldap_get_option(ldap_state
->ldap_struct
,
1510 LDAP_OPT_ERROR_STRING
, &ld_error
);
1511 DEBUG(10, ("Failed search for base: %s, error: %d (%s) "
1512 "(%s)\n", base
, ld_errno
,
1513 ldap_err2string(rc
),
1514 ld_error
? ld_error
: "unknown"));
1515 SAFE_FREE(ld_error
);
1517 if (ld_errno
== LDAP_SERVER_DOWN
) {
1518 ldap_unbind(ldap_state
->ldap_struct
);
1519 ldap_state
->ldap_struct
= NULL
;
1524 TALLOC_FREE(utf8_filter
);
1526 /* Teardown timeout. */
1527 CatchSignal(SIGALRM
, SIG_IGN
);
1531 return LDAP_TIMELIMIT_EXCEEDED
;
1536 int smbldap_search(struct smbldap_state
*ldap_state
,
1537 const char *base
, int scope
, const char *filter
,
1538 const char *attrs
[], int attrsonly
,
1541 return smbldap_search_ext(ldap_state
, base
, scope
, filter
, attrs
,
1542 attrsonly
, NULL
, NULL
, LDAP_NO_LIMIT
, res
);
1545 int smbldap_search_paged(struct smbldap_state
*ldap_state
,
1546 const char *base
, int scope
, const char *filter
,
1547 const char **attrs
, int attrsonly
, int pagesize
,
1548 LDAPMessage
**res
, void **cookie
)
1551 LDAPControl
**rcontrols
;
1552 LDAPControl
*controls
[2] = { NULL
, NULL
};
1553 BerElement
*cookie_be
= NULL
;
1554 struct berval
*cookie_bv
= NULL
;
1556 bool critical
= True
;
1560 DEBUG(3,("smbldap_search_paged: base => [%s], filter => [%s],"
1561 "scope => [%d], pagesize => [%d]\n",
1562 base
, filter
, scope
, pagesize
));
1564 cookie_be
= ber_alloc_t(LBER_USE_DER
);
1565 if (cookie_be
== NULL
) {
1566 DEBUG(0,("smbldap_create_page_control: ber_alloc_t returns "
1568 return LDAP_NO_MEMORY
;
1571 /* construct cookie */
1572 if (*cookie
!= NULL
) {
1573 ber_printf(cookie_be
, "{iO}", (ber_int_t
) pagesize
, *cookie
);
1574 ber_bvfree((struct berval
*)*cookie
); /* don't need it from last time */
1577 ber_printf(cookie_be
, "{io}", (ber_int_t
) pagesize
, "", 0);
1579 ber_flatten(cookie_be
, &cookie_bv
);
1581 pr
.ldctl_oid
= discard_const_p(char, ADS_PAGE_CTL_OID
);
1582 pr
.ldctl_iscritical
= (char) critical
;
1583 pr
.ldctl_value
.bv_len
= cookie_bv
->bv_len
;
1584 pr
.ldctl_value
.bv_val
= cookie_bv
->bv_val
;
1589 rc
= smbldap_search_ext(ldap_state
, base
, scope
, filter
, attrs
,
1590 0, controls
, NULL
, LDAP_NO_LIMIT
, res
);
1592 ber_free(cookie_be
, 1);
1593 ber_bvfree(cookie_bv
);
1596 DEBUG(3,("smbldap_search_paged: smbldap_search_ext(%s) "
1597 "failed with [%s]\n", filter
, ldap_err2string(rc
)));
1601 DEBUG(3,("smbldap_search_paged: search was successful\n"));
1603 rc
= ldap_parse_result(ldap_state
->ldap_struct
, *res
, NULL
, NULL
,
1604 NULL
, NULL
, &rcontrols
, 0);
1606 DEBUG(3,("smbldap_search_paged: ldap_parse_result failed " \
1607 "with [%s]\n", ldap_err2string(rc
)));
1611 if (rcontrols
== NULL
)
1614 for (i
=0; rcontrols
[i
]; i
++) {
1616 if (strcmp(ADS_PAGE_CTL_OID
, rcontrols
[i
]->ldctl_oid
) != 0)
1619 cookie_be
= ber_init(&rcontrols
[i
]->ldctl_value
);
1620 ber_scanf(cookie_be
,"{iO}", &tmp
, &cookie_bv
);
1621 /* the berval is the cookie, but must be freed when it is all
1623 if (cookie_bv
->bv_len
)
1624 *cookie
=ber_bvdup(cookie_bv
);
1627 ber_bvfree(cookie_bv
);
1628 ber_free(cookie_be
, 1);
1631 ldap_controls_free(rcontrols
);
1636 int smbldap_modify(struct smbldap_state
*ldap_state
, const char *dn
, LDAPMod
*attrs
[])
1638 int rc
= LDAP_SERVER_DOWN
;
1641 time_t endtime
= time_mono(NULL
)+lp_ldap_timeout();
1642 size_t converted_size
;
1644 SMB_ASSERT(ldap_state
);
1646 DEBUG(5,("smbldap_modify: dn => [%s]\n", dn
));
1648 if (!push_utf8_talloc(talloc_tos(), &utf8_dn
, dn
, &converted_size
)) {
1649 return LDAP_NO_MEMORY
;
1652 while (another_ldap_try(ldap_state
, &rc
, &attempts
, endtime
)) {
1653 rc
= ldap_modify_s(ldap_state
->ldap_struct
, utf8_dn
, attrs
);
1654 if (rc
!= LDAP_SUCCESS
) {
1655 char *ld_error
= NULL
;
1658 ldap_get_option(ldap_state
->ldap_struct
,
1659 LDAP_OPT_ERROR_NUMBER
, &ld_errno
);
1661 ldap_get_option(ldap_state
->ldap_struct
,
1662 LDAP_OPT_ERROR_STRING
, &ld_error
);
1663 DEBUG(10, ("Failed to modify dn: %s, error: %d (%s) "
1664 "(%s)\n", dn
, ld_errno
,
1665 ldap_err2string(rc
),
1666 ld_error
? ld_error
: "unknown"));
1667 SAFE_FREE(ld_error
);
1669 if (ld_errno
== LDAP_SERVER_DOWN
) {
1670 ldap_unbind(ldap_state
->ldap_struct
);
1671 ldap_state
->ldap_struct
= NULL
;
1676 TALLOC_FREE(utf8_dn
);
1680 int smbldap_add(struct smbldap_state
*ldap_state
, const char *dn
, LDAPMod
*attrs
[])
1682 int rc
= LDAP_SERVER_DOWN
;
1685 time_t endtime
= time_mono(NULL
)+lp_ldap_timeout();
1686 size_t converted_size
;
1688 SMB_ASSERT(ldap_state
);
1690 DEBUG(5,("smbldap_add: dn => [%s]\n", dn
));
1692 if (!push_utf8_talloc(talloc_tos(), &utf8_dn
, dn
, &converted_size
)) {
1693 return LDAP_NO_MEMORY
;
1696 while (another_ldap_try(ldap_state
, &rc
, &attempts
, endtime
)) {
1697 rc
= ldap_add_s(ldap_state
->ldap_struct
, utf8_dn
, attrs
);
1698 if (rc
!= LDAP_SUCCESS
) {
1699 char *ld_error
= NULL
;
1702 ldap_get_option(ldap_state
->ldap_struct
,
1703 LDAP_OPT_ERROR_NUMBER
, &ld_errno
);
1705 ldap_get_option(ldap_state
->ldap_struct
,
1706 LDAP_OPT_ERROR_STRING
, &ld_error
);
1707 DEBUG(10, ("Failed to add dn: %s, error: %d (%s) "
1708 "(%s)\n", dn
, ld_errno
,
1709 ldap_err2string(rc
),
1710 ld_error
? ld_error
: "unknown"));
1711 SAFE_FREE(ld_error
);
1713 if (ld_errno
== LDAP_SERVER_DOWN
) {
1714 ldap_unbind(ldap_state
->ldap_struct
);
1715 ldap_state
->ldap_struct
= NULL
;
1720 TALLOC_FREE(utf8_dn
);
1724 int smbldap_delete(struct smbldap_state
*ldap_state
, const char *dn
)
1726 int rc
= LDAP_SERVER_DOWN
;
1729 time_t endtime
= time_mono(NULL
)+lp_ldap_timeout();
1730 size_t converted_size
;
1732 SMB_ASSERT(ldap_state
);
1734 DEBUG(5,("smbldap_delete: dn => [%s]\n", dn
));
1736 if (!push_utf8_talloc(talloc_tos(), &utf8_dn
, dn
, &converted_size
)) {
1737 return LDAP_NO_MEMORY
;
1740 while (another_ldap_try(ldap_state
, &rc
, &attempts
, endtime
)) {
1741 rc
= ldap_delete_s(ldap_state
->ldap_struct
, utf8_dn
);
1742 if (rc
!= LDAP_SUCCESS
) {
1743 char *ld_error
= NULL
;
1746 ldap_get_option(ldap_state
->ldap_struct
,
1747 LDAP_OPT_ERROR_NUMBER
, &ld_errno
);
1749 ldap_get_option(ldap_state
->ldap_struct
,
1750 LDAP_OPT_ERROR_STRING
, &ld_error
);
1751 DEBUG(10, ("Failed to delete dn: %s, error: %d (%s) "
1752 "(%s)\n", dn
, ld_errno
,
1753 ldap_err2string(rc
),
1754 ld_error
? ld_error
: "unknown"));
1755 SAFE_FREE(ld_error
);
1757 if (ld_errno
== LDAP_SERVER_DOWN
) {
1758 ldap_unbind(ldap_state
->ldap_struct
);
1759 ldap_state
->ldap_struct
= NULL
;
1764 TALLOC_FREE(utf8_dn
);
1768 int smbldap_extended_operation(struct smbldap_state
*ldap_state
,
1769 LDAP_CONST
char *reqoid
, struct berval
*reqdata
,
1770 LDAPControl
**serverctrls
, LDAPControl
**clientctrls
,
1771 char **retoidp
, struct berval
**retdatap
)
1773 int rc
= LDAP_SERVER_DOWN
;
1775 time_t endtime
= time_mono(NULL
)+lp_ldap_timeout();
1780 while (another_ldap_try(ldap_state
, &rc
, &attempts
, endtime
)) {
1781 rc
= ldap_extended_operation_s(ldap_state
->ldap_struct
, reqoid
,
1782 reqdata
, serverctrls
,
1783 clientctrls
, retoidp
, retdatap
);
1784 if (rc
!= LDAP_SUCCESS
) {
1785 char *ld_error
= NULL
;
1788 ldap_get_option(ldap_state
->ldap_struct
,
1789 LDAP_OPT_ERROR_NUMBER
, &ld_errno
);
1791 ldap_get_option(ldap_state
->ldap_struct
,
1792 LDAP_OPT_ERROR_STRING
, &ld_error
);
1793 DEBUG(10, ("Extended operation failed with error: "
1794 "%d (%s) (%s)\n", ld_errno
,
1795 ldap_err2string(rc
),
1796 ld_error
? ld_error
: "unknown"));
1797 SAFE_FREE(ld_error
);
1799 if (ld_errno
== LDAP_SERVER_DOWN
) {
1800 ldap_unbind(ldap_state
->ldap_struct
);
1801 ldap_state
->ldap_struct
= NULL
;
1809 /*******************************************************************
1810 run the search by name.
1811 ******************************************************************/
1812 int smbldap_search_suffix (struct smbldap_state
*ldap_state
,
1813 const char *filter
, const char **search_attr
,
1814 LDAPMessage
** result
)
1816 return smbldap_search(ldap_state
, lp_ldap_suffix(), LDAP_SCOPE_SUBTREE
,
1817 filter
, search_attr
, 0, result
);
1820 static void smbldap_idle_fn(struct event_context
*event_ctx
,
1821 struct timed_event
*te
,
1822 struct timeval now_abs
,
1825 struct smbldap_state
*state
= (struct smbldap_state
*)private_data
;
1827 TALLOC_FREE(state
->idle_event
);
1829 if (state
->ldap_struct
== NULL
) {
1830 DEBUG(10,("ldap connection not connected...\n"));
1834 if ((state
->last_use
+SMBLDAP_IDLE_TIME
) > time_mono(NULL
)) {
1835 DEBUG(10,("ldap connection not idle...\n"));
1837 /* this needs to be made monotonic clock aware inside tevent: */
1838 state
->idle_event
= event_add_timed(
1840 timeval_add(&now_abs
, SMBLDAP_IDLE_TIME
, 0),
1846 DEBUG(7,("ldap connection idle...closing connection\n"));
1847 smbldap_close(state
);
1850 /**********************************************************************
1852 *********************************************************************/
1854 void smbldap_free_struct(struct smbldap_state
**ldap_state
)
1856 smbldap_close(*ldap_state
);
1858 if ((*ldap_state
)->bind_secret
) {
1859 memset((*ldap_state
)->bind_secret
, '\0', strlen((*ldap_state
)->bind_secret
));
1862 SAFE_FREE((*ldap_state
)->bind_dn
);
1863 SAFE_FREE((*ldap_state
)->bind_secret
);
1865 TALLOC_FREE(*ldap_state
);
1867 /* No need to free any further, as it is talloc()ed */
1870 static int smbldap_state_destructor(struct smbldap_state
*state
)
1872 smbldap_free_struct(&state
);
1877 /**********************************************************************
1878 Intitalise the 'general' ldap structures, on which ldap operations may be conducted
1879 *********************************************************************/
1881 NTSTATUS
smbldap_init(TALLOC_CTX
*mem_ctx
, struct event_context
*event_ctx
,
1882 const char *location
,
1883 struct smbldap_state
**smbldap_state
)
1885 *smbldap_state
= talloc_zero(mem_ctx
, struct smbldap_state
);
1886 if (!*smbldap_state
) {
1887 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1888 return NT_STATUS_NO_MEMORY
;
1892 (*smbldap_state
)->uri
= talloc_strdup(mem_ctx
, location
);
1894 (*smbldap_state
)->uri
= "ldap://localhost";
1897 (*smbldap_state
)->event_context
= event_ctx
;
1899 talloc_set_destructor(*smbldap_state
, smbldap_state_destructor
);
1900 return NT_STATUS_OK
;
1903 char *smbldap_talloc_dn(TALLOC_CTX
*mem_ctx
, LDAP
*ld
,
1906 char *utf8_dn
, *unix_dn
;
1907 size_t converted_size
;
1909 utf8_dn
= ldap_get_dn(ld
, entry
);
1911 DEBUG (5, ("smbldap_talloc_dn: ldap_get_dn failed\n"));
1914 if (!pull_utf8_talloc(mem_ctx
, &unix_dn
, utf8_dn
, &converted_size
)) {
1915 DEBUG (0, ("smbldap_talloc_dn: String conversion failure utf8 "
1916 "[%s]\n", utf8_dn
));
1919 ldap_memfree(utf8_dn
);
1923 /*******************************************************************
1924 Check if root-dse has a certain Control or Extension
1925 ********************************************************************/
1927 static bool smbldap_check_root_dse(LDAP
*ld
, const char **attrs
, const char *value
)
1929 LDAPMessage
*msg
= NULL
;
1930 LDAPMessage
*entry
= NULL
;
1931 char **values
= NULL
;
1932 int rc
, num_result
, num_values
, i
;
1933 bool result
= False
;
1936 DEBUG(3,("smbldap_check_root_dse: nothing to look for\n"));
1940 if (!strequal(attrs
[0], "supportedExtension") &&
1941 !strequal(attrs
[0], "supportedControl") &&
1942 !strequal(attrs
[0], "namingContexts")) {
1943 DEBUG(3,("smbldap_check_root_dse: no idea what to query root-dse for: %s ?\n", attrs
[0]));
1947 rc
= ldap_search_s(ld
, "", LDAP_SCOPE_BASE
,
1948 "(objectclass=*)", discard_const_p(char *, attrs
), 0 , &msg
);
1950 if (rc
!= LDAP_SUCCESS
) {
1951 DEBUG(3,("smbldap_check_root_dse: Could not search rootDSE\n"));
1955 num_result
= ldap_count_entries(ld
, msg
);
1957 if (num_result
!= 1) {
1958 DEBUG(3,("smbldap_check_root_dse: Expected one rootDSE, got %d\n", num_result
));
1962 entry
= ldap_first_entry(ld
, msg
);
1964 if (entry
== NULL
) {
1965 DEBUG(3,("smbldap_check_root_dse: Could not retrieve rootDSE\n"));
1969 values
= ldap_get_values(ld
, entry
, attrs
[0]);
1971 if (values
== NULL
) {
1972 DEBUG(5,("smbldap_check_root_dse: LDAP Server does not support any %s\n", attrs
[0]));
1976 num_values
= ldap_count_values(values
);
1978 if (num_values
== 0) {
1979 DEBUG(5,("smbldap_check_root_dse: LDAP Server does not have any %s\n", attrs
[0]));
1983 for (i
=0; i
<num_values
; i
++) {
1984 if (strcmp(values
[i
], value
) == 0)
1991 ldap_value_free(values
);
1999 /*******************************************************************
2000 Check if LDAP-Server supports a certain Control (OID in string format)
2001 ********************************************************************/
2003 bool smbldap_has_control(LDAP
*ld
, const char *control
)
2005 const char *attrs
[] = { "supportedControl", NULL
};
2006 return smbldap_check_root_dse(ld
, attrs
, control
);
2009 /*******************************************************************
2010 Check if LDAP-Server supports a certain Extension (OID in string format)
2011 ********************************************************************/
2013 bool smbldap_has_extension(LDAP
*ld
, const char *extension
)
2015 const char *attrs
[] = { "supportedExtension", NULL
};
2016 return smbldap_check_root_dse(ld
, attrs
, extension
);
2019 /*******************************************************************
2020 Check if LDAP-Server holds a given namingContext
2021 ********************************************************************/
2023 bool smbldap_has_naming_context(LDAP
*ld
, const char *naming_context
)
2025 const char *attrs
[] = { "namingContexts", NULL
};
2026 return smbldap_check_root_dse(ld
, attrs
, naming_context
);
2029 bool smbldap_set_creds(struct smbldap_state
*ldap_state
, bool anon
, const char *dn
, const char *secret
)
2031 ldap_state
->anonymous
= anon
;
2033 /* free any previously set credential */
2035 SAFE_FREE(ldap_state
->bind_dn
);
2036 if (ldap_state
->bind_secret
) {
2037 /* make sure secrets are zeroed out of memory */
2038 memset(ldap_state
->bind_secret
, '\0', strlen(ldap_state
->bind_secret
));
2039 SAFE_FREE(ldap_state
->bind_secret
);
2043 ldap_state
->bind_dn
= SMB_STRDUP(dn
);
2044 ldap_state
->bind_secret
= SMB_STRDUP(secret
);