4 Copyright (C) Andrew Tridgell 2004
5 Copyright (C) Stefan Metzmacher 2004
6 Copyright (C) Simo Sorce 2005-2006
8 ** NOTE! The following LGPL license applies to the ldb
9 ** library. This does NOT imply that all of Samba is released
12 This library is free software; you can redistribute it and/or
13 modify it under the terms of the GNU Lesser General Public
14 License as published by the Free Software Foundation; either
15 version 3 of the License, or (at your option) any later version.
17 This library is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 Lesser General Public License for more details.
22 You should have received a copy of the GNU Lesser General Public
23 License along with this library; if not, see <http://www.gnu.org/licenses/>.
29 * Component: ldb header
31 * Description: defines for base ldb API
33 * Author: Andrew Tridgell
34 * Author: Stefan Metzmacher
38 \file ldb.h Samba's ldb database
40 This header file provides the main API for ldb.
45 /*! \cond DOXYGEN_IGNORE */
52 #include <ldb_version.h>
53 #include <ldb_errors.h>
56 major restrictions as compared to normal LDAP:
58 - each record must have a unique key field
59 - the key must be representable as a NULL terminated C string and may not
60 contain a comma or braces
62 major restrictions as compared to tdb:
64 - no explicit locking calls, but we have transactions when using ldb_tdb
72 An individual lump of data in a result comes in this format. The
73 pointer will usually be to a UTF-8 string if the application is
74 sensible, but it can be to anything you like, including binary data
75 blobs of arbitrary size.
77 \note the data is null (0x00) terminated, but the length does not
78 include the terminator.
81 uint8_t *data; /*!< result data */
82 size_t length; /*!< length of data */
86 /*! \cond DOXYGEN_IGNORE */
87 #ifndef PRINTF_ATTRIBUTE
88 #define PRINTF_ATTRIBUTE(a,b)
92 #if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )
93 #define _DEPRECATED_ __attribute__ ((deprecated))
100 /* opaque ldb_dn structures, see ldb_dn.c for internals */
101 struct ldb_dn_component;
105 There are a number of flags that are used with ldap_modify() in
106 ldb_message_element.flags fields. The LDB_FLAG_MOD_ADD,
107 LDB_FLAG_MOD_DELETE and LDB_FLAG_MOD_REPLACE flags are used in
108 ldap_modify() calls to specify whether attributes are being added,
109 deleted or modified respectively.
111 #define LDB_FLAG_MOD_MASK 0x3
114 use this to extract the mod type from the operation
116 #define LDB_FLAG_MOD_TYPE(flags) ((flags) & LDB_FLAG_MOD_MASK)
119 Flag value used in ldap_modify() to indicate that attributes are
122 \sa LDB_FLAG_MOD_MASK
124 #define LDB_FLAG_MOD_ADD 1
127 Flag value used in ldap_modify() to indicate that attributes are
130 \sa LDB_FLAG_MOD_MASK
132 #define LDB_FLAG_MOD_REPLACE 2
135 Flag value used in ldap_modify() to indicate that attributes are
138 \sa LDB_FLAG_MOD_MASK
140 #define LDB_FLAG_MOD_DELETE 3
143 flag bits on an element usable only by the internal implementation
145 #define LDB_FLAG_INTERNAL_MASK 0xFFFFFFF0
148 OID for logic AND comaprison.
150 This is the well known object ID for a logical AND comparitor.
152 #define LDB_OID_COMPARATOR_AND "1.2.840.113556.1.4.803"
155 OID for logic OR comparison.
157 This is the well known object ID for a logical OR comparitor.
159 #define LDB_OID_COMPARATOR_OR "1.2.840.113556.1.4.804"
162 results are given back as arrays of ldb_message_element
164 struct ldb_message_element {
167 unsigned int num_values;
168 struct ldb_val *values;
173 a ldb_message represents all or part of a record. It can contain an arbitrary
178 unsigned int num_elements;
179 struct ldb_message_element *elements;
182 enum ldb_changetype {
183 LDB_CHANGETYPE_NONE=0,
185 LDB_CHANGETYPE_DELETE,
186 LDB_CHANGETYPE_MODIFY,
187 LDB_CHANGETYPE_MODRDN
193 This structure contains a LDIF record, as returned from ldif_read()
194 and equivalent functions.
197 enum ldb_changetype changetype; /*!< The type of change */
198 struct ldb_message *msg; /*!< The changes */
201 enum ldb_scope {LDB_SCOPE_DEFAULT=-1,
203 LDB_SCOPE_ONELEVEL=1,
204 LDB_SCOPE_SUBTREE=2};
207 struct tevent_context;
209 /* debugging uses one of the following levels */
210 enum ldb_debug_level {LDB_DEBUG_FATAL, LDB_DEBUG_ERROR,
211 LDB_DEBUG_WARNING, LDB_DEBUG_TRACE};
214 the user can optionally supply a debug function. The function
215 is based on the vfprintf() style of interface, but with the addition
218 struct ldb_debug_ops {
219 void (*debug)(void *context, enum ldb_debug_level level,
220 const char *fmt, va_list ap) PRINTF_ATTRIBUTE(3,0);
225 The user can optionally supply a custom utf8 functions,
226 to handle comparisons and casefolding.
228 struct ldb_utf8_fns {
230 char *(*casefold)(void *context, TALLOC_CTX *mem_ctx, const char *s, size_t n);
234 Flag value for database connection mode.
236 If LDB_FLG_RDONLY is used in ldb_connect, then the database will be
237 opened read-only, if possible.
239 #define LDB_FLG_RDONLY 1
242 Flag value for database connection mode.
244 If LDB_FLG_NOSYNC is used in ldb_connect, then the database will be
245 opened without synchronous operations, if possible.
247 #define LDB_FLG_NOSYNC 2
250 Flag value to specify autoreconnect mode.
252 If LDB_FLG_RECONNECT is used in ldb_connect, then the backend will
253 be opened in a way that makes it try to auto reconnect if the
254 connection is dropped (actually make sense only with ldap).
256 #define LDB_FLG_RECONNECT 4
259 Flag to tell backends not to use mmap
261 #define LDB_FLG_NOMMAP 8
264 Flag to tell ldif handlers not to force encoding of binary
267 #define LDB_FLG_SHOW_BINARY 16
270 Flags to enable ldb tracing
272 #define LDB_FLG_ENABLE_TRACING 32
275 Flags to tell LDB not to create a new database file:
277 Without this flag ldb_tdb (for example) will create a blank file
278 during an invocation of ldb_connect(), even when the caller only
279 wanted read operations, for example in ldbsearch.
281 #define LDB_FLG_DONT_CREATE_DB 64
284 structures for ldb_parse_tree handling code
286 enum ldb_parse_op { LDB_OP_AND=1, LDB_OP_OR=2, LDB_OP_NOT=3,
287 LDB_OP_EQUALITY=4, LDB_OP_SUBSTRING=5,
288 LDB_OP_GREATER=6, LDB_OP_LESS=7, LDB_OP_PRESENT=8,
289 LDB_OP_APPROX=9, LDB_OP_EXTENDED=10 };
291 struct ldb_parse_tree {
292 enum ldb_parse_op operation;
295 struct ldb_parse_tree *child;
299 struct ldb_val value;
303 int start_with_wildcard;
304 int end_with_wildcard;
305 struct ldb_val **chunks;
312 struct ldb_val value;
318 struct ldb_val value;
321 unsigned int num_elements;
322 struct ldb_parse_tree **elements;
327 struct ldb_parse_tree *ldb_parse_tree(TALLOC_CTX *mem_ctx, const char *s);
328 char *ldb_filter_from_tree(TALLOC_CTX *mem_ctx, const struct ldb_parse_tree *tree);
333 This function encodes a binary blob using the encoding rules in RFC
334 2254 (Section 4). This function also escapes any non-printable
337 \param mem_ctx the memory context to allocate the return string in.
338 \param val the (potentially) binary data to be encoded
340 \return the encoded data as a null terminated string
342 \sa <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>.
344 char *ldb_binary_encode(TALLOC_CTX *mem_ctx, struct ldb_val val);
349 This function encodes a string using the encoding rules in RFC 2254
350 (Section 4). This function also escapes any non-printable
353 \param mem_ctx the memory context to allocate the return string in.
354 \param string the string to be encoded
356 \return the encoded data as a null terminated string
358 \sa <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>.
360 char *ldb_binary_encode_string(TALLOC_CTX *mem_ctx, const char *string);
363 functions for controlling attribute handling
365 typedef int (*ldb_attr_handler_t)(struct ldb_context *, TALLOC_CTX *mem_ctx, const struct ldb_val *, struct ldb_val *);
366 typedef int (*ldb_attr_comparison_t)(struct ldb_context *, TALLOC_CTX *mem_ctx, const struct ldb_val *, const struct ldb_val *);
367 struct ldb_schema_attribute;
368 typedef int (*ldb_attr_operator_t)(struct ldb_context *, enum ldb_parse_op operation,
369 const struct ldb_schema_attribute *a,
370 const struct ldb_val *, const struct ldb_val *, bool *matched);
373 attribute handler structure
375 attr -> The attribute name
376 ldif_read_fn -> convert from ldif to binary format
377 ldif_write_fn -> convert from binary to ldif format
378 canonicalise_fn -> canonicalise a value, for use by indexing and dn construction
379 comparison_fn -> compare two values
382 struct ldb_schema_syntax {
384 ldb_attr_handler_t ldif_read_fn;
385 ldb_attr_handler_t ldif_write_fn;
386 ldb_attr_handler_t canonicalise_fn;
387 ldb_attr_comparison_t comparison_fn;
388 ldb_attr_operator_t operator_fn;
391 struct ldb_schema_attribute {
394 const struct ldb_schema_syntax *syntax;
397 const struct ldb_schema_attribute *ldb_schema_attribute_by_name(struct ldb_context *ldb,
400 struct ldb_dn_extended_syntax {
402 ldb_attr_handler_t read_fn;
403 ldb_attr_handler_t write_clear_fn;
404 ldb_attr_handler_t write_hex_fn;
407 const struct ldb_dn_extended_syntax *ldb_dn_extended_syntax_by_name(struct ldb_context *ldb,
411 The attribute is not returned by default
413 #define LDB_ATTR_FLAG_HIDDEN (1<<0)
415 /* the attribute handler name should be freed when released */
416 #define LDB_ATTR_FLAG_ALLOCATED (1<<1)
419 The attribute is supplied by the application and should not be removed
421 #define LDB_ATTR_FLAG_FIXED (1<<2)
424 when this is set, attempts to create two records which have the same
425 value for this attribute will return LDB_ERR_ENTRY_ALREADY_EXISTS
427 #define LDB_ATTR_FLAG_UNIQUE_INDEX (1<<3)
430 when this is set, attempts to create two attribute values for this attribute on a single DN will return LDB_ERR_CONSTRAINT_VIOLATION
432 #define LDB_ATTR_FLAG_SINGLE_VALUE (1<<4)
435 * The values should always be base64 encoded
437 #define LDB_ATTR_FLAG_FORCE_BASE64_LDIF (1<<5)
440 * The attribute was loaded from a DB, rather than via the C API
442 #define LDB_ATTR_FLAG_FROM_DB (1<<6)
445 LDAP attribute syntax for a DN
447 This is the well-known LDAP attribute syntax for a DN.
449 See <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>, Section 4.3.2
451 #define LDB_SYNTAX_DN "1.3.6.1.4.1.1466.115.121.1.12"
454 LDAP attribute syntax for a Directory String
456 This is the well-known LDAP attribute syntax for a Directory String.
458 \sa <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>, Section 4.3.2
460 #define LDB_SYNTAX_DIRECTORY_STRING "1.3.6.1.4.1.1466.115.121.1.15"
463 LDAP attribute syntax for an integer
465 This is the well-known LDAP attribute syntax for an integer.
467 See <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>, Section 4.3.2
469 #define LDB_SYNTAX_INTEGER "1.3.6.1.4.1.1466.115.121.1.27"
472 LDAP attribute syntax for a boolean
474 This is the well-known LDAP attribute syntax for a boolean.
476 See <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>, Section 4.3.2
478 #define LDB_SYNTAX_BOOLEAN "1.3.6.1.4.1.1466.115.121.1.7"
481 LDAP attribute syntax for an octet string
483 This is the well-known LDAP attribute syntax for an octet string.
485 See <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>, Section 4.3.2
487 #define LDB_SYNTAX_OCTET_STRING "1.3.6.1.4.1.1466.115.121.1.40"
490 LDAP attribute syntax for UTC time.
492 This is the well-known LDAP attribute syntax for a UTC time.
494 See <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>, Section 4.3.2
496 #define LDB_SYNTAX_UTC_TIME "1.3.6.1.4.1.1466.115.121.1.53"
497 #define LDB_SYNTAX_GENERALIZED_TIME "1.3.6.1.4.1.1466.115.121.1.24"
499 #define LDB_SYNTAX_OBJECTCLASS "LDB_SYNTAX_OBJECTCLASS"
501 /* sorting helpers */
502 typedef int (*ldb_qsort_cmp_fn_t) (void *v1, void *v2, void *opaque);
504 /* Individual controls */
507 OID for getting and manipulating attributes from the ldb
508 without interception in the operational module.
509 It can be used to access attribute that used to be stored in the sam
510 and that are now calculated.
512 #define LDB_CONTROL_BYPASS_OPERATIONAL_OID "1.3.6.1.4.1.7165.4.3.13"
513 #define LDB_CONTROL_BYPASS_OPERATIONAL_NAME "bypassoperational"
516 OID for recalculate RDN (rdn attribute and 'name') control. This control forces
517 the rdn_name module to the recalculate the rdn and name attributes as if the
518 object was just created.
520 #define LDB_CONTROL_RECALCULATE_RDN_OID "1.3.6.1.4.1.7165.4.3.30"
523 OID for recalculate SD control. This control force the
524 dsdb code to recalculate the SD of the object as if the
525 object was just created.
528 #define LDB_CONTROL_RECALCULATE_SD_OID "1.3.6.1.4.1.7165.4.3.5"
529 #define LDB_CONTROL_RECALCULATE_SD_NAME "recalculate_sd"
532 REVEAL_INTERNALS is used to reveal internal attributes and DN
533 components which are not normally shown to the user
535 #define LDB_CONTROL_REVEAL_INTERNALS "1.3.6.1.4.1.7165.4.3.6"
536 #define LDB_CONTROL_REVEAL_INTERNALS_NAME "reveal_internals"
539 LDB_CONTROL_AS_SYSTEM is used to skip access checks on operations
540 that are performed by the system, but with a user's credentials, e.g.
543 #define LDB_CONTROL_AS_SYSTEM_OID "1.3.6.1.4.1.7165.4.3.7"
546 LDB_CONTROL_PROVISION_OID is used to skip some constraint checks. It's is
547 mainly thought to be used for the provisioning.
549 #define LDB_CONTROL_PROVISION_OID "1.3.6.1.4.1.7165.4.3.16"
550 #define LDB_CONTROL_PROVISION_NAME "provision"
555 OID for the paged results control. This control is included in the
556 searchRequest and searchResultDone messages as part of the controls
557 field of the LDAPMessage, as defined in Section 4.1.12 of
560 \sa <a href="http://www.ietf.org/rfc/rfc2696.txt">RFC 2696</a>.
562 #define LDB_CONTROL_PAGED_RESULTS_OID "1.2.840.113556.1.4.319"
563 #define LDB_CONTROL_PAGED_RESULTS_NAME "paged_results"
566 OID for specifying the returned elements of the ntSecurityDescriptor
568 \sa <a href="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ldap/ldap/ldap_server_sd_flags_oid.asp">Microsoft documentation of this OID</a>
570 #define LDB_CONTROL_SD_FLAGS_OID "1.2.840.113556.1.4.801"
571 #define LDB_CONTROL_SD_FLAGS_NAME "sd_flags"
574 OID for specifying an advanced scope for the search (one partition)
576 \sa <a href="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ldap/ldap/ldap_server_domain_scope_oid.asp">Microsoft documentation of this OID</a>
578 #define LDB_CONTROL_DOMAIN_SCOPE_OID "1.2.840.113556.1.4.1339"
579 #define LDB_CONTROL_DOMAIN_SCOPE_NAME "domain_scope"
582 OID for specifying an advanced scope for a search
584 \sa <a href="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ldap/ldap/ldap_server_search_options_oid.asp">Microsoft documentation of this OID</a>
586 #define LDB_CONTROL_SEARCH_OPTIONS_OID "1.2.840.113556.1.4.1340"
587 #define LDB_CONTROL_SEARCH_OPTIONS_NAME "search_options"
592 \sa <a href="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ldap/ldap/ldap_server_notification_oid.asp">Microsoft documentation of this OID</a>
594 #define LDB_CONTROL_NOTIFICATION_OID "1.2.840.113556.1.4.528"
595 #define LDB_CONTROL_NOTIFICATION_NAME "notification"
598 OID for performing subtree deletes
600 \sa <a href="http://msdn.microsoft.com/en-us/library/aa366991(v=VS.85).aspx">Microsoft documentation of this OID</a>
602 #define LDB_CONTROL_TREE_DELETE_OID "1.2.840.113556.1.4.805"
603 #define LDB_CONTROL_TREE_DELETE_NAME "tree_delete"
606 OID for getting deleted objects
608 \sa <a href="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ldap/ldap/ldap_server_show_deleted_oid.asp">Microsoft documentation of this OID</a>
610 #define LDB_CONTROL_SHOW_DELETED_OID "1.2.840.113556.1.4.417"
611 #define LDB_CONTROL_SHOW_DELETED_NAME "show_deleted"
614 OID for getting recycled objects
616 \sa <a href="http://msdn.microsoft.com/en-us/library/dd304621(PROT.13).aspx">Microsoft documentation of this OID</a>
618 #define LDB_CONTROL_SHOW_RECYCLED_OID "1.2.840.113556.1.4.2064"
619 #define LDB_CONTROL_SHOW_RECYCLED_NAME "show_recycled"
622 OID for getting deactivated linked attributes
624 \sa <a href="http://msdn.microsoft.com/en-us/library/dd302781(PROT.13).aspx">Microsoft documentation of this OID</a>
626 #define LDB_CONTROL_SHOW_DEACTIVATED_LINK_OID "1.2.840.113556.1.4.2065"
627 #define LDB_CONTROL_SHOW_DEACTIVATED_LINK_NAME "show_deactivated_link"
632 \sa <a href="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ldap/ldap/ldap_server_extended_dn_oid.asp">Microsoft documentation of this OID</a>
634 #define LDB_CONTROL_EXTENDED_DN_OID "1.2.840.113556.1.4.529"
635 #define LDB_CONTROL_EXTENDED_DN_NAME "extended_dn"
638 OID for LDAP server sort result extension.
640 This control is included in the searchRequest message as part of
641 the controls field of the LDAPMessage, as defined in Section 4.1.12
642 of LDAP v3. The controlType is set to
643 "1.2.840.113556.1.4.473". The criticality MAY be either TRUE or
644 FALSE (where absent is also equivalent to FALSE) at the client's
647 \sa <a href="http://www.ietf.org/rfc/rfc2891.txt">RFC 2891</a>.
649 #define LDB_CONTROL_SERVER_SORT_OID "1.2.840.113556.1.4.473"
650 #define LDB_CONTROL_SERVER_SORT_NAME "server_sort"
653 OID for LDAP server sort result response extension.
655 This control is included in the searchResultDone message as part of
656 the controls field of the LDAPMessage, as defined in Section 4.1.12 of
659 \sa <a href="http://www.ietf.org/rfc/rfc2891.txt">RFC 2891</a>.
661 #define LDB_CONTROL_SORT_RESP_OID "1.2.840.113556.1.4.474"
662 #define LDB_CONTROL_SORT_RESP_NAME "server_sort_resp"
665 OID for LDAP Attribute Scoped Query extension.
667 This control is included in SearchRequest or SearchResponse
668 messages as part of the controls field of the LDAPMessage.
670 #define LDB_CONTROL_ASQ_OID "1.2.840.113556.1.4.1504"
671 #define LDB_CONTROL_ASQ_NAME "asq"
674 OID for LDAP Directory Sync extension.
676 This control is included in SearchRequest or SearchResponse
677 messages as part of the controls field of the LDAPMessage.
679 #define LDB_CONTROL_DIRSYNC_OID "1.2.840.113556.1.4.841"
680 #define LDB_CONTROL_DIRSYNC_NAME "dirsync"
681 #define LDB_CONTROL_DIRSYNC_EX_OID "1.2.840.113556.1.4.2090"
682 #define LDB_CONTROL_DIRSYNC_EX_NAME "dirsync_ex"
686 OID for LDAP Virtual List View Request extension.
688 This control is included in SearchRequest messages
689 as part of the controls field of the LDAPMessage.
691 #define LDB_CONTROL_VLV_REQ_OID "2.16.840.1.113730.3.4.9"
692 #define LDB_CONTROL_VLV_REQ_NAME "vlv"
695 OID for LDAP Virtual List View Response extension.
697 This control is included in SearchResponse messages
698 as part of the controls field of the LDAPMessage.
700 #define LDB_CONTROL_VLV_RESP_OID "2.16.840.1.113730.3.4.10"
701 #define LDB_CONTROL_VLV_RESP_NAME "vlv_resp"
704 OID to let modifies don't give an error when adding an existing
705 attribute with the same value or deleting an nonexisting one attribute
707 \sa <a href="http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ldap/ldap/ldap_server_permissive_modify_oid.asp">Microsoft documentation of this OID</a>
709 #define LDB_CONTROL_PERMISSIVE_MODIFY_OID "1.2.840.113556.1.4.1413"
710 #define LDB_CONTROL_PERMISSIVE_MODIFY_NAME "permissive_modify"
713 OID to allow the server to be more 'fast and loose' with the data being added.
715 \sa <a href="http://msdn.microsoft.com/en-us/library/aa366982(v=VS.85).aspx">Microsoft documentation of this OID</a>
717 #define LDB_CONTROL_SERVER_LAZY_COMMIT "1.2.840.113556.1.4.619"
720 Control for RODC join -see [MS-ADTS] section 3.1.1.3.4.1.23
722 \sa <a href="">Microsoft documentation of this OID</a>
724 #define LDB_CONTROL_RODC_DCPROMO_OID "1.2.840.113556.1.4.1341"
725 #define LDB_CONTROL_RODC_DCPROMO_NAME "rodc_join"
727 /* Other standardised controls */
730 OID for the allowing client to request temporary relaxed
731 enforcement of constraints of the x.500 model.
733 Mainly used for the OpenLDAP backend.
735 \sa <a href="http://opends.dev.java.net/public/standards/draft-zeilenga-ldap-managedit.txt">draft managedit</a>.
737 #define LDB_CONTROL_RELAX_OID "1.3.6.1.4.1.4203.666.5.12"
738 #define LDB_CONTROL_RELAX_NAME "relax"
741 OID for the allowing some kind of relax check for attributes with DNs
744 \sa 3.1.1.3.4.1.16 in [MS-ADTS].pdf
746 #define LDB_CONTROL_VERIFY_NAME_OID "1.2.840.113556.1.4.1338"
747 #define LDB_CONTROL_VERIFY_NAME_NAME "verify_name"
749 /* Extended operations */
752 OID for LDAP Extended Operation SEQUENCE_NUMBER
754 This extended operation is used to retrieve the extended sequence number.
756 #define LDB_EXTENDED_SEQUENCE_NUMBER "1.3.6.1.4.1.7165.4.4.3"
759 OID for LDAP Extended Operation PASSWORD_CHANGE.
761 This Extended operation is used to allow user password changes by the user
764 #define LDB_EXTENDED_PASSWORD_CHANGE_OID "1.3.6.1.4.1.4203.1.11.1"
768 OID for LDAP Extended Operation FAST_BIND
770 This Extended operations is used to perform a fast bind.
772 #define LDB_EXTENDED_FAST_BIND_OID "1.2.840.113556.1.4.1781"
775 OID for LDAP Extended Operation START_TLS.
777 This Extended operation is used to start a new TLS channel on top of a clear
780 #define LDB_EXTENDED_START_TLS_OID "1.3.6.1.4.1.1466.20037"
783 OID for LDAP Extended Operation DYNAMIC_REFRESH.
785 This Extended operation is used to create and maintain objects which exist
786 only a specific time, e.g. when a certain client or a certain person is
787 logged in. Data refreshes have to be periodically sent in a specific
788 interval. Otherwise the entry is going to be removed.
790 #define LDB_EXTENDED_DYNAMIC_OID "1.3.6.1.4.1.1466.101.119.1"
792 struct ldb_sd_flags_control {
794 * request the owner 0x00000001
795 * request the group 0x00000002
796 * request the DACL 0x00000004
797 * request the SACL 0x00000008
799 unsigned secinfo_flags;
803 * DOMAIN_SCOPE 0x00000001
804 * this limits the search to one partition,
805 * and no referrals will be returned.
806 * (Note this doesn't limit the entries by there
807 * objectSid belonging to a domain! Builtin and Foreign Sids
808 * are still returned)
810 * PHANTOM_ROOT 0x00000002
811 * this search on the whole tree on a domain controller
812 * over multiple partitions without referrals.
813 * (This is the default behavior on the Global Catalog Port)
816 #define LDB_SEARCH_OPTION_DOMAIN_SCOPE 0x00000001
817 #define LDB_SEARCH_OPTION_PHANTOM_ROOT 0x00000002
819 struct ldb_search_options_control {
820 unsigned search_options;
823 struct ldb_paged_control {
829 struct ldb_extended_dn_control {
833 struct ldb_server_sort_control {
834 const char *attributeName;
835 const char *orderingRule;
839 struct ldb_sort_resp_control {
844 struct ldb_asq_control {
846 char *source_attribute;
851 struct ldb_dirsync_control {
858 struct ldb_vlv_req_control {
876 struct ldb_vlv_resp_control {
884 struct ldb_verify_name_control {
896 enum ldb_request_type {
903 LDB_REQ_REGISTER_CONTROL,
904 LDB_REQ_REGISTER_PARTITION
907 enum ldb_reply_type {
924 struct ldb_extended {
926 void *data; /* NULL or a valid talloc pointer! talloc_get_type() will be used on it */
929 enum ldb_sequence_type {
931 LDB_SEQ_HIGHEST_TIMESTAMP,
935 #define LDB_SEQ_GLOBAL_SEQUENCE 0x01
936 #define LDB_SEQ_TIMESTAMP_SEQUENCE 0x02
938 struct ldb_seqnum_request {
939 enum ldb_sequence_type type;
942 struct ldb_seqnum_result {
949 struct ldb_message **msgs;
950 struct ldb_extended *extended;
951 struct ldb_control **controls;
957 enum ldb_reply_type type;
958 struct ldb_message *message;
959 struct ldb_extended *response;
960 struct ldb_control **controls;
969 enum ldb_scope scope;
970 struct ldb_parse_tree *tree;
971 const char * const *attrs;
972 struct ldb_result *res;
976 const struct ldb_message *message;
980 const struct ldb_message *message;
988 struct ldb_dn *olddn;
989 struct ldb_dn *newdn;
992 struct ldb_register_control {
996 struct ldb_register_partition {
1000 typedef int (*ldb_request_callback_t)(struct ldb_request *, struct ldb_reply *);
1002 struct ldb_request {
1004 enum ldb_request_type operation;
1007 struct ldb_search search;
1009 struct ldb_modify mod;
1010 struct ldb_delete del;
1011 struct ldb_rename rename;
1012 struct ldb_extended extended;
1013 struct ldb_register_control reg_control;
1014 struct ldb_register_partition reg_partition;
1017 struct ldb_control **controls;
1020 ldb_request_callback_t callback;
1024 struct ldb_handle *handle;
1027 int ldb_request(struct ldb_context *ldb, struct ldb_request *request);
1028 int ldb_request_done(struct ldb_request *req, int status);
1029 bool ldb_request_is_done(struct ldb_request *req);
1031 int ldb_modules_wait(struct ldb_handle *handle);
1032 int ldb_wait(struct ldb_handle *handle, enum ldb_wait_type type);
1034 int ldb_set_timeout(struct ldb_context *ldb, struct ldb_request *req, int timeout);
1035 int ldb_set_timeout_from_prev_req(struct ldb_context *ldb, struct ldb_request *oldreq, struct ldb_request *newreq);
1036 void ldb_set_create_perms(struct ldb_context *ldb, unsigned int perms);
1037 void ldb_set_modules_dir(struct ldb_context *ldb, const char *path);
1038 struct tevent_context;
1039 void ldb_set_event_context(struct ldb_context *ldb, struct tevent_context *ev);
1040 struct tevent_context * ldb_get_event_context(struct ldb_context *ldb);
1043 Initialise ldbs' global information
1045 This is required before any other LDB call
1047 \return 0 if initialisation succeeded, -1 otherwise
1049 int ldb_global_init(void);
1052 Initialise an ldb context
1054 This is required before any other LDB call.
1056 \param mem_ctx pointer to a talloc memory context. Pass NULL if there is
1057 no suitable context available.
1059 \note The LDB modules will be loaded from directory specified by the environment
1060 variable LDB_MODULES_PATH. If the variable is not specified, the compiled-in default
1063 \return pointer to ldb_context that should be free'd (using talloc_free())
1064 at the end of the program.
1066 struct ldb_context *ldb_init(TALLOC_CTX *mem_ctx, struct tevent_context *ev_ctx);
1068 typedef void (*ldb_async_timeout_fn) (void *);
1069 typedef bool (*ldb_async_callback_fn) (void *);
1070 typedef int (*ldb_async_ctx_add_op_fn)(void *, time_t, void *, ldb_async_timeout_fn, ldb_async_callback_fn);
1071 typedef int (*ldb_async_ctx_wait_op_fn)(void *);
1073 void ldb_async_ctx_set_private_data(struct ldb_context *ldb,
1074 void *private_data);
1075 void ldb_async_ctx_set_add_op(struct ldb_context *ldb,
1076 ldb_async_ctx_add_op_fn add_op);
1077 void ldb_async_ctx_set_wait_op(struct ldb_context *ldb,
1078 ldb_async_ctx_wait_op_fn wait_op);
1081 Connect to a database.
1083 This is typically called soon after ldb_init(), and is required prior to
1084 any search or database modification operations.
1086 The URL can be one of the following forms:
1092 \param ldb the context associated with the database (from ldb_init())
1093 \param url the URL of the database to connect to, as noted above
1094 \param flags a combination of LDB_FLG_* to modify the connection behaviour
1095 \param options backend specific options - passed uninterpreted to the backend
1097 \return result code (LDB_SUCCESS on success, or a failure code)
1099 \note It is an error to connect to a database that does not exist in readonly mode
1100 (that is, with LDB_FLG_RDONLY). However in read-write mode, the database will be
1101 created if it does not exist.
1103 int ldb_connect(struct ldb_context *ldb, const char *url, unsigned int flags, const char *options[]);
1106 return an automatic basedn from the rootDomainNamingContext of the rootDSE
1107 This value have been set in an opaque pointer at connection time
1109 struct ldb_dn *ldb_get_root_basedn(struct ldb_context *ldb);
1112 return an automatic basedn from the configurationNamingContext of the rootDSE
1113 This value have been set in an opaque pointer at connection time
1115 struct ldb_dn *ldb_get_config_basedn(struct ldb_context *ldb);
1118 return an automatic basedn from the schemaNamingContext of the rootDSE
1119 This value have been set in an opaque pointer at connection time
1121 struct ldb_dn *ldb_get_schema_basedn(struct ldb_context *ldb);
1124 return an automatic baseDN from the defaultNamingContext of the rootDSE
1125 This value have been set in an opaque pointer at connection time
1127 struct ldb_dn *ldb_get_default_basedn(struct ldb_context *ldb);
1130 The default async search callback function
1132 \param req the request we are callback of
1133 \param ares a single reply from the async core
1135 \return result code (LDB_SUCCESS on success, or a failure code)
1137 \note this function expects req->context to always be an struct ldb_result pointer
1138 AND a talloc context, this function will steal on the context each message
1139 from the ares reply passed on by the async core so that in the end all the
1140 messages will be in the context (ldb_result) memory tree.
1141 Freeing the passed context (ldb_result tree) will free all the resources
1142 (the request need to be freed separately and the result doe not depend on the
1143 request that can be freed as sson as the search request is finished)
1146 int ldb_search_default_callback(struct ldb_request *req, struct ldb_reply *ares);
1149 The default async extended operation callback function
1151 \param req the request we are callback of
1152 \param ares a single reply from the async core
1154 \return result code (LDB_SUCCESS on success, or a failure code)
1156 int ldb_op_default_callback(struct ldb_request *req, struct ldb_reply *ares);
1158 int ldb_modify_default_callback(struct ldb_request *req, struct ldb_reply *ares);
1161 Helper function to build a search request
1163 \param ret_req the request structure is returned here (talloced on mem_ctx)
1164 \param ldb the context associated with the database (from ldb_init())
1165 \param mem_ctx a talloc memory context (used as parent of ret_req)
1166 \param base the Base Distinguished Name for the query (use ldb_dn_new() for an empty one)
1167 \param scope the search scope for the query
1168 \param expression the search expression to use for this query
1169 \param attrs the search attributes for the query (pass NULL if none required)
1170 \param controls an array of controls
1171 \param context the callback function context
1172 \param the callback function to handle the async replies
1173 \param the parent request if any
1175 \return result code (LDB_SUCCESS on success, or a failure code)
1178 int ldb_build_search_req(struct ldb_request **ret_req,
1179 struct ldb_context *ldb,
1180 TALLOC_CTX *mem_ctx,
1181 struct ldb_dn *base,
1182 enum ldb_scope scope,
1183 const char *expression,
1184 const char * const *attrs,
1185 struct ldb_control **controls,
1187 ldb_request_callback_t callback,
1188 struct ldb_request *parent);
1190 int ldb_build_search_req_ex(struct ldb_request **ret_req,
1191 struct ldb_context *ldb,
1192 TALLOC_CTX *mem_ctx,
1193 struct ldb_dn *base,
1194 enum ldb_scope scope,
1195 struct ldb_parse_tree *tree,
1196 const char * const *attrs,
1197 struct ldb_control **controls,
1199 ldb_request_callback_t callback,
1200 struct ldb_request *parent);
1203 Helper function to build an add request
1205 \param ret_req the request structure is returned here (talloced on mem_ctx)
1206 \param ldb the context associated with the database (from ldb_init())
1207 \param mem_ctx a talloc memory context (used as parent of ret_req)
1208 \param message contains the entry to be added
1209 \param controls an array of controls
1210 \param context the callback function context
1211 \param the callback function to handle the async replies
1212 \param the parent request if any
1214 \return result code (LDB_SUCCESS on success, or a failure code)
1217 int ldb_build_add_req(struct ldb_request **ret_req,
1218 struct ldb_context *ldb,
1219 TALLOC_CTX *mem_ctx,
1220 const struct ldb_message *message,
1221 struct ldb_control **controls,
1223 ldb_request_callback_t callback,
1224 struct ldb_request *parent);
1227 Helper function to build a modify request
1229 \param ret_req the request structure is returned here (talloced on mem_ctx)
1230 \param ldb the context associated with the database (from ldb_init())
1231 \param mem_ctx a talloc memory context (used as parent of ret_req)
1232 \param message contains the entry to be modified
1233 \param controls an array of controls
1234 \param context the callback function context
1235 \param the callback function to handle the async replies
1236 \param the parent request if any
1238 \return result code (LDB_SUCCESS on success, or a failure code)
1241 int ldb_build_mod_req(struct ldb_request **ret_req,
1242 struct ldb_context *ldb,
1243 TALLOC_CTX *mem_ctx,
1244 const struct ldb_message *message,
1245 struct ldb_control **controls,
1247 ldb_request_callback_t callback,
1248 struct ldb_request *parent);
1251 Helper function to build a delete request
1253 \param ret_req the request structure is returned here (talloced on mem_ctx)
1254 \param ldb the context associated with the database (from ldb_init())
1255 \param mem_ctx a talloc memory context (used as parent of ret_req)
1256 \param dn the DN to be deleted
1257 \param controls an array of controls
1258 \param context the callback function context
1259 \param the callback function to handle the async replies
1260 \param the parent request if any
1262 \return result code (LDB_SUCCESS on success, or a failure code)
1265 int ldb_build_del_req(struct ldb_request **ret_req,
1266 struct ldb_context *ldb,
1267 TALLOC_CTX *mem_ctx,
1269 struct ldb_control **controls,
1271 ldb_request_callback_t callback,
1272 struct ldb_request *parent);
1275 Helper function to build a rename request
1277 \param ret_req the request structure is returned here (talloced on mem_ctx)
1278 \param ldb the context associated with the database (from ldb_init())
1279 \param mem_ctx a talloc memory context (used as parent of ret_req)
1280 \param olddn the old DN
1281 \param newdn the new DN
1282 \param controls an array of controls
1283 \param context the callback function context
1284 \param the callback function to handle the async replies
1285 \param the parent request if any
1287 \return result code (LDB_SUCCESS on success, or a failure code)
1290 int ldb_build_rename_req(struct ldb_request **ret_req,
1291 struct ldb_context *ldb,
1292 TALLOC_CTX *mem_ctx,
1293 struct ldb_dn *olddn,
1294 struct ldb_dn *newdn,
1295 struct ldb_control **controls,
1297 ldb_request_callback_t callback,
1298 struct ldb_request *parent);
1301 Add a ldb_control to a ldb_request
1303 \param req the request struct where to add the control
1304 \param oid the object identifier of the control as string
1305 \param critical whether the control should be critical or not
1306 \param data a talloc pointer to the control specific data
1308 \return result code (LDB_SUCCESS on success, or a failure code)
1310 int ldb_request_add_control(struct ldb_request *req, const char *oid, bool critical, void *data);
1313 replace a ldb_control in a ldb_request
1315 \param req the request struct where to add the control
1316 \param oid the object identifier of the control as string
1317 \param critical whether the control should be critical or not
1318 \param data a talloc pointer to the control specific data
1320 \return result code (LDB_SUCCESS on success, or a failure code)
1322 int ldb_request_replace_control(struct ldb_request *req, const char *oid, bool critical, void *data);
1325 check if a control with the specified "oid" exist and return it
1326 \param req the request struct where to add the control
1327 \param oid the object identifier of the control as string
1329 \return the control, NULL if not found
1331 struct ldb_control *ldb_request_get_control(struct ldb_request *req, const char *oid);
1334 check if a control with the specified "oid" exist and return it
1335 \param rep the reply struct where to add the control
1336 \param oid the object identifier of the control as string
1338 \return the control, NULL if not found
1340 struct ldb_control *ldb_reply_get_control(struct ldb_reply *rep, const char *oid);
1345 This function searches the database, and returns
1346 records that match an LDAP-like search expression
1348 \param ldb the context associated with the database (from ldb_init())
1349 \param mem_ctx the memory context to use for the request and the results
1350 \param result the return result
1351 \param base the Base Distinguished Name for the query (use ldb_dn_new() for an empty one)
1352 \param scope the search scope for the query
1353 \param attrs the search attributes for the query (pass NULL if none required)
1354 \param exp_fmt the search expression to use for this query (printf like)
1356 \return result code (LDB_SUCCESS on success, or a failure code)
1358 \note use talloc_free() to free the ldb_result returned
1360 int ldb_search(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1361 struct ldb_result **result, struct ldb_dn *base,
1362 enum ldb_scope scope, const char * const *attrs,
1363 const char *exp_fmt, ...) PRINTF_ATTRIBUTE(7,8);
1366 Add a record to the database.
1368 This function adds a record to the database. This function will fail
1369 if a record with the specified class and key already exists in the
1372 \param ldb the context associated with the database (from
1374 \param message the message containing the record to add.
1376 \return result code (LDB_SUCCESS if the record was added, otherwise
1379 int ldb_add(struct ldb_context *ldb,
1380 const struct ldb_message *message);
1383 Modify the specified attributes of a record
1385 This function modifies a record that is in the database.
1387 \param ldb the context associated with the database (from
1389 \param message the message containing the changes required.
1391 \return result code (LDB_SUCCESS if the record was modified as
1392 requested, otherwise a failure code)
1394 int ldb_modify(struct ldb_context *ldb,
1395 const struct ldb_message *message);
1398 Rename a record in the database
1400 This function renames a record in the database.
1402 \param ldb the context associated with the database (from
1404 \param olddn the DN for the record to be renamed.
1405 \param newdn the new DN
1407 \return result code (LDB_SUCCESS if the record was renamed as
1408 requested, otherwise a failure code)
1410 int ldb_rename(struct ldb_context *ldb, struct ldb_dn *olddn, struct ldb_dn *newdn);
1413 Delete a record from the database
1415 This function deletes a record from the database.
1417 \param ldb the context associated with the database (from
1419 \param dn the DN for the record to be deleted.
1421 \return result code (LDB_SUCCESS if the record was deleted,
1422 otherwise a failure code)
1424 int ldb_delete(struct ldb_context *ldb, struct ldb_dn *dn);
1427 The default async extended operation callback function
1429 \param req the request we are callback of
1430 \param ares a single reply from the async core
1432 \return result code (LDB_SUCCESS on success, or a failure code)
1434 \note this function expects req->context to always be an struct ldb_result pointer
1435 AND a talloc context, this function will steal on the context each message
1436 from the ares reply passed on by the async core so that in the end all the
1437 messages will be in the context (ldb_result) memory tree.
1438 Freeing the passed context (ldb_result tree) will free all the resources
1439 (the request need to be freed separately and the result doe not depend on the
1440 request that can be freed as sson as the search request is finished)
1443 int ldb_extended_default_callback(struct ldb_request *req, struct ldb_reply *ares);
1447 Helper function to build a extended request
1449 \param ret_req the request structure is returned here (talloced on mem_ctx)
1450 \param ldb the context associated with the database (from ldb_init())
1451 \param mem_ctx a talloc memory context (used as parent of ret_req)
1452 \param oid the OID of the extended operation.
1453 \param data a void pointer a the extended operation specific parameters,
1454 it needs to be NULL or a valid talloc pointer! talloc_get_type() will be used on it
1455 \param controls an array of controls
1456 \param context the callback function context
1457 \param the callback function to handle the async replies
1458 \param the parent request if any
1460 \return result code (LDB_SUCCESS on success, or a failure code)
1462 int ldb_build_extended_req(struct ldb_request **ret_req,
1463 struct ldb_context *ldb,
1464 TALLOC_CTX *mem_ctx,
1466 void *data,/* NULL or a valid talloc pointer! talloc_get_type() will be used on it */
1467 struct ldb_control **controls,
1469 ldb_request_callback_t callback,
1470 struct ldb_request *parent);
1473 call an extended operation
1475 \param ldb the context associated with the database (from ldb_init())
1476 \param oid the OID of the extended operation.
1477 \param data a void pointer a the extended operation specific parameters,
1478 it needs to be NULL or a valid talloc pointer! talloc_get_type() will be used on it
1479 \param res the result of the extended operation
1481 \return result code (LDB_SUCCESS if the extended operation returned fine,
1482 otherwise a failure code)
1484 int ldb_extended(struct ldb_context *ldb,
1486 void *data,/* NULL or a valid talloc pointer! talloc_get_type() will be used on it */
1487 struct ldb_result **res);
1490 Obtain current/next database sequence number
1492 int ldb_sequence_number(struct ldb_context *ldb, enum ldb_sequence_type type, uint64_t *seq_num);
1497 int ldb_transaction_start(struct ldb_context *ldb);
1500 first phase of two phase commit
1502 int ldb_transaction_prepare_commit(struct ldb_context *ldb);
1505 commit a transaction
1507 int ldb_transaction_commit(struct ldb_context *ldb);
1510 cancel a transaction
1512 int ldb_transaction_cancel(struct ldb_context *ldb);
1515 cancel a transaction with no error if no transaction is pending
1516 used when we fork() to clear any parent transactions
1518 int ldb_transaction_cancel_noerr(struct ldb_context *ldb);
1522 return extended error information from the last call
1524 const char *ldb_errstring(struct ldb_context *ldb);
1527 return a string explaining what a ldb error constant meancs
1529 const char *ldb_strerror(int ldb_err);
1532 setup the default utf8 functions
1533 FIXME: these functions do not yet handle utf8
1535 void ldb_set_utf8_default(struct ldb_context *ldb);
1540 \param ldb the ldb context
1541 \param mem_ctx the memory context to allocate the result string
1543 \param s the string that is to be folded
1544 \return a copy of the string, converted to upper case
1546 \note The default function is not yet UTF8 aware. Provide your own
1547 set of functions through ldb_set_utf8_fns()
1549 char *ldb_casefold(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *s, size_t n);
1552 Check the attribute name is valid according to rfc2251
1553 \param s the string to check
1555 \return 1 if the name is ok
1557 int ldb_valid_attr_name(const char *s);
1560 ldif manipulation functions
1564 Write an LDIF message
1566 This function writes an LDIF message using a caller supplied write
1569 \param ldb the ldb context (from ldb_init())
1570 \param fprintf_fn a function pointer for the write function. This must take
1571 a private data pointer, followed by a format string, and then a variable argument
1573 \param private_data pointer that will be provided back to the write
1574 function. This is useful for maintaining state or context.
1575 \param ldif the message to write out
1577 \return the total number of bytes written, or an error code as returned
1578 from the write function.
1580 \sa ldb_ldif_write_file for a more convenient way to write to a
1583 \sa ldb_ldif_read for the reader equivalent to this function.
1585 int ldb_ldif_write(struct ldb_context *ldb,
1586 int (*fprintf_fn)(void *, const char *, ...) PRINTF_ATTRIBUTE(2,3),
1588 const struct ldb_ldif *ldif);
1591 Clean up an LDIF message
1593 This function cleans up a LDIF message read using ldb_ldif_read()
1594 or related functions (such as ldb_ldif_read_string() and
1595 ldb_ldif_read_file().
1597 \param ldb the ldb context (from ldb_init())
1598 \param msg the message to clean up and free
1601 void ldb_ldif_read_free(struct ldb_context *ldb, struct ldb_ldif *msg);
1604 Read an LDIF message
1606 This function creates an LDIF message using a caller supplied read
1609 \param ldb the ldb context (from ldb_init())
1610 \param fgetc_fn a function pointer for the read function. This must
1611 take a private data pointer, and must return a pointer to an
1612 integer corresponding to the next byte read (or EOF if there is no
1613 more data to be read).
1614 \param private_data pointer that will be provided back to the read
1615 function. This is udeful for maintaining state or context.
1617 \return the LDIF message that has been read in
1619 \note You must free the LDIF message when no longer required, using
1620 ldb_ldif_read_free().
1622 \sa ldb_ldif_read_file for a more convenient way to read from a
1625 \sa ldb_ldif_read_string for a more convenient way to read from a
1626 string (char array).
1628 \sa ldb_ldif_write for the writer equivalent to this function.
1630 struct ldb_ldif *ldb_ldif_read(struct ldb_context *ldb,
1631 int (*fgetc_fn)(void *), void *private_data);
1634 Read an LDIF message from a file
1636 This function reads the next LDIF message from the contents of a
1637 file stream. If you want to get all of the LDIF messages, you will
1638 need to repeatedly call this function, until it returns NULL.
1640 \param ldb the ldb context (from ldb_init())
1641 \param f the file stream to read from (typically from fdopen())
1643 \sa ldb_ldif_read_string for an equivalent function that will read
1644 from a string (char array).
1646 \sa ldb_ldif_write_file for the writer equivalent to this function.
1649 struct ldb_ldif *ldb_ldif_read_file(struct ldb_context *ldb, FILE *f);
1652 Read an LDIF message from a string
1654 This function reads the next LDIF message from the contents of a char
1655 array. If you want to get all of the LDIF messages, you will need
1656 to repeatedly call this function, until it returns NULL.
1658 \param ldb the ldb context (from ldb_init())
1659 \param s pointer to the char array to read from
1661 \sa ldb_ldif_read_file for an equivalent function that will read
1664 \sa ldb_ldif_write for a more general (arbitrary read function)
1665 version of this function.
1667 struct ldb_ldif *ldb_ldif_read_string(struct ldb_context *ldb, const char **s);
1670 Parse a modrdn LDIF message from a struct ldb_message
1672 \param ldb the ldb context (from ldb_init())
1673 \param ldif the preparsed LDIF chunk (from ldb_ldif_read())
1675 \param mem_ctx the memory context that's used for return values
1677 \param olddn the old dn as struct ldb_dn, if not needed pass NULL
1678 \param newrdn the new rdn as struct ldb_dn, if not needed pass NULL
1679 \param deleteoldrdn the deleteoldrdn value as bool, if not needed pass NULL
1680 \param newsuperior the newsuperior dn as struct ldb_dn, if not needed pass NULL
1681 *newsuperior can be NULL as it is optional in the LDIF
1682 \param newdn the full constructed new dn as struct ldb_dn, if not needed pass NULL
1685 int ldb_ldif_parse_modrdn(struct ldb_context *ldb,
1686 const struct ldb_ldif *ldif,
1687 TALLOC_CTX *mem_ctx,
1688 struct ldb_dn **olddn,
1689 struct ldb_dn **newrdn,
1691 struct ldb_dn **newsuperior,
1692 struct ldb_dn **newdn);
1695 Write an LDIF message to a file
1697 \param ldb the ldb context (from ldb_init())
1698 \param f the file stream to write to (typically from fdopen())
1699 \param msg the message to write out
1701 \return the total number of bytes written, or a negative error code
1703 \sa ldb_ldif_read_file for the reader equivalent to this function.
1705 int ldb_ldif_write_file(struct ldb_context *ldb, FILE *f, const struct ldb_ldif *msg);
1708 Write an LDIF message to a string
1710 \param ldb the ldb context (from ldb_init())
1711 \param mem_ctx the talloc context on which to attach the string)
1712 \param msg the message to write out
1714 \return the string containing the LDIF, or NULL on error
1716 \sa ldb_ldif_read_string for the reader equivalent to this function.
1718 char * ldb_ldif_write_string(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1719 const struct ldb_ldif *msg);
1723 Produce a string form of an ldb message
1725 convenient function to turn a ldb_message into a string. Useful for
1728 char *ldb_ldif_message_string(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1729 enum ldb_changetype changetype,
1730 const struct ldb_message *msg);
1734 Base64 encode a buffer
1736 \param mem_ctx the memory context that the result is allocated
1738 \param buf pointer to the array that is to be encoded
1739 \param len the number of elements in the array to be encoded
1741 \return pointer to an array containing the encoded data
1743 \note The caller is responsible for freeing the result
1745 char *ldb_base64_encode(TALLOC_CTX *mem_ctx, const char *buf, int len);
1748 Base64 decode a buffer
1750 This function decodes a base64 encoded string in place.
1752 \param s the string to decode.
1754 \return the length of the returned (decoded) string.
1756 \note the string is null terminated, but the null terminator is not
1757 included in the length.
1759 int ldb_base64_decode(char *s);
1761 /* The following definitions come from lib/ldb/common/ldb_dn.c */
1764 Get the linear form of a DN (without any extended components)
1766 \param dn The DN to linearize
1769 const char *ldb_dn_get_linearized(struct ldb_dn *dn);
1772 Allocate a copy of the linear form of a DN (without any extended components) onto the supplied memory context
1774 \param dn The DN to linearize
1775 \param mem_ctx TALLOC context to return result on
1778 char *ldb_dn_alloc_linearized(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
1781 Get the linear form of a DN (with any extended components)
1783 \param mem_ctx TALLOC context to return result on
1784 \param dn The DN to linearize
1785 \param mode Style of extended DN to return (0 is HEX representation of binary form, 1 is a string form)
1787 char *ldb_dn_get_extended_linearized(TALLOC_CTX *mem_ctx, struct ldb_dn *dn, int mode);
1788 const struct ldb_val *ldb_dn_get_extended_component(struct ldb_dn *dn, const char *name);
1789 int ldb_dn_set_extended_component(struct ldb_dn *dn, const char *name, const struct ldb_val *val);
1790 void ldb_dn_extended_filter(struct ldb_dn *dn, const char * const *accept_list);
1791 void ldb_dn_remove_extended_components(struct ldb_dn *dn);
1792 bool ldb_dn_has_extended(struct ldb_dn *dn);
1794 int ldb_dn_extended_add_syntax(struct ldb_context *ldb,
1796 const struct ldb_dn_extended_syntax *syntax);
1799 Allocate a new DN from a string
1801 \param mem_ctx TALLOC context to return resulting ldb_dn structure on
1802 \param dn The new DN
1804 \note The DN will not be parsed at this time. Use ldb_dn_validate to tell if the DN is syntacticly correct
1807 struct ldb_dn *ldb_dn_new(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, const char *dn);
1809 Allocate a new DN from a printf style format string and arguments
1811 \param mem_ctx TALLOC context to return resulting ldb_dn structure on
1812 \param new_fms The new DN as a format string (plus arguments)
1814 \note The DN will not be parsed at this time. Use ldb_dn_validate to tell if the DN is syntacticly correct
1817 struct ldb_dn *ldb_dn_new_fmt(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, const char *new_fmt, ...) PRINTF_ATTRIBUTE(3,4);
1819 Allocate a new DN from a struct ldb_val (useful to avoid buffer overrun)
1821 \param mem_ctx TALLOC context to return resulting ldb_dn structure on
1822 \param dn The new DN
1824 \note The DN will not be parsed at this time. Use ldb_dn_validate to tell if the DN is syntacticly correct
1827 struct ldb_dn *ldb_dn_from_ldb_val(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, const struct ldb_val *strdn);
1830 Determine if this DN is syntactically valid
1832 \param dn The DN to validate
1835 bool ldb_dn_validate(struct ldb_dn *dn);
1837 char *ldb_dn_escape_value(TALLOC_CTX *mem_ctx, struct ldb_val value);
1838 const char *ldb_dn_get_casefold(struct ldb_dn *dn);
1839 char *ldb_dn_alloc_casefold(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
1841 int ldb_dn_compare_base(struct ldb_dn *base, struct ldb_dn *dn);
1842 int ldb_dn_compare(struct ldb_dn *edn0, struct ldb_dn *edn1);
1844 bool ldb_dn_add_base(struct ldb_dn *dn, struct ldb_dn *base);
1845 bool ldb_dn_add_base_fmt(struct ldb_dn *dn, const char *base_fmt, ...) PRINTF_ATTRIBUTE(2,3);
1846 bool ldb_dn_add_child(struct ldb_dn *dn, struct ldb_dn *child);
1847 bool ldb_dn_add_child_fmt(struct ldb_dn *dn, const char *child_fmt, ...) PRINTF_ATTRIBUTE(2,3);
1848 bool ldb_dn_remove_base_components(struct ldb_dn *dn, unsigned int num);
1849 bool ldb_dn_remove_child_components(struct ldb_dn *dn, unsigned int num);
1851 struct ldb_dn *ldb_dn_copy(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
1852 struct ldb_dn *ldb_dn_get_parent(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
1853 char *ldb_dn_canonical_string(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
1854 char *ldb_dn_canonical_ex_string(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
1855 int ldb_dn_get_comp_num(struct ldb_dn *dn);
1856 int ldb_dn_get_extended_comp_num(struct ldb_dn *dn);
1857 const char *ldb_dn_get_component_name(struct ldb_dn *dn, unsigned int num);
1858 const struct ldb_val *ldb_dn_get_component_val(struct ldb_dn *dn, unsigned int num);
1859 const char *ldb_dn_get_rdn_name(struct ldb_dn *dn);
1860 const struct ldb_val *ldb_dn_get_rdn_val(struct ldb_dn *dn);
1861 int ldb_dn_set_component(struct ldb_dn *dn, int num, const char *name, const struct ldb_val val);
1863 bool ldb_dn_is_valid(struct ldb_dn *dn);
1864 bool ldb_dn_is_special(struct ldb_dn *dn);
1865 bool ldb_dn_check_special(struct ldb_dn *dn, const char *check);
1866 bool ldb_dn_is_null(struct ldb_dn *dn);
1867 int ldb_dn_update_components(struct ldb_dn *dn, const struct ldb_dn *ref_dn);
1871 Compare two attributes
1873 This function compares to attribute names. Note that this is a
1874 case-insensitive comparison.
1876 \param a the first attribute name to compare
1877 \param b the second attribute name to compare
1879 \return 0 if the attribute names are the same, or only differ in
1880 case; non-zero if there are any differences
1882 attribute names are restricted by rfc2251 so using
1883 strcasecmp and toupper here is ok.
1886 #define ldb_attr_cmp(a, b) strcasecmp(a, b)
1887 char *ldb_attr_casefold(TALLOC_CTX *mem_ctx, const char *s);
1888 int ldb_attr_dn(const char *attr);
1891 Create an empty message
1893 \param mem_ctx the memory context to create in. You can pass NULL
1894 to get the top level context, however the ldb context (from
1895 ldb_init()) may be a better choice
1897 struct ldb_message *ldb_msg_new(TALLOC_CTX *mem_ctx);
1900 Find an element within an message
1902 struct ldb_message_element *ldb_msg_find_element(const struct ldb_message *msg,
1903 const char *attr_name);
1906 Compare two ldb_val values
1908 \param v1 first ldb_val structure to be tested
1909 \param v2 second ldb_val structure to be tested
1911 \return 1 for a match, 0 if there is any difference
1913 int ldb_val_equal_exact(const struct ldb_val *v1, const struct ldb_val *v2);
1916 find a value within an ldb_message_element
1918 \param el the element to search
1919 \param val the value to search for
1921 \note This search is case sensitive
1923 struct ldb_val *ldb_msg_find_val(const struct ldb_message_element *el,
1924 struct ldb_val *val);
1927 add a new empty element to a ldb_message
1929 int ldb_msg_add_empty(struct ldb_message *msg,
1930 const char *attr_name,
1932 struct ldb_message_element **return_el);
1935 add a element to a ldb_message
1937 int ldb_msg_add(struct ldb_message *msg,
1938 const struct ldb_message_element *el,
1940 int ldb_msg_add_value(struct ldb_message *msg,
1941 const char *attr_name,
1942 const struct ldb_val *val,
1943 struct ldb_message_element **return_el);
1944 int ldb_msg_add_steal_value(struct ldb_message *msg,
1945 const char *attr_name,
1946 struct ldb_val *val);
1947 int ldb_msg_add_steal_string(struct ldb_message *msg,
1948 const char *attr_name, char *str);
1949 int ldb_msg_add_string(struct ldb_message *msg,
1950 const char *attr_name, const char *str);
1951 int ldb_msg_add_linearized_dn(struct ldb_message *msg, const char *attr_name,
1953 int ldb_msg_add_fmt(struct ldb_message *msg,
1954 const char *attr_name, const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
1957 compare two message elements - return 0 on match
1959 int ldb_msg_element_compare(struct ldb_message_element *el1,
1960 struct ldb_message_element *el2);
1961 int ldb_msg_element_compare_name(struct ldb_message_element *el1,
1962 struct ldb_message_element *el2);
1965 Find elements in a message.
1967 This function finds elements and converts to a specific type, with
1968 a give default value if not found. Assumes that elements are
1971 const struct ldb_val *ldb_msg_find_ldb_val(const struct ldb_message *msg, const char *attr_name);
1972 int ldb_msg_find_attr_as_int(const struct ldb_message *msg,
1973 const char *attr_name,
1975 unsigned int ldb_msg_find_attr_as_uint(const struct ldb_message *msg,
1976 const char *attr_name,
1977 unsigned int default_value);
1978 int64_t ldb_msg_find_attr_as_int64(const struct ldb_message *msg,
1979 const char *attr_name,
1980 int64_t default_value);
1981 uint64_t ldb_msg_find_attr_as_uint64(const struct ldb_message *msg,
1982 const char *attr_name,
1983 uint64_t default_value);
1984 double ldb_msg_find_attr_as_double(const struct ldb_message *msg,
1985 const char *attr_name,
1986 double default_value);
1987 int ldb_msg_find_attr_as_bool(const struct ldb_message *msg,
1988 const char *attr_name,
1990 const char *ldb_msg_find_attr_as_string(const struct ldb_message *msg,
1991 const char *attr_name,
1992 const char *default_value);
1994 struct ldb_dn *ldb_msg_find_attr_as_dn(struct ldb_context *ldb,
1995 TALLOC_CTX *mem_ctx,
1996 const struct ldb_message *msg,
1997 const char *attr_name);
1999 void ldb_msg_sort_elements(struct ldb_message *msg);
2001 struct ldb_message *ldb_msg_copy_shallow(TALLOC_CTX *mem_ctx,
2002 const struct ldb_message *msg);
2003 struct ldb_message *ldb_msg_copy(TALLOC_CTX *mem_ctx,
2004 const struct ldb_message *msg);
2007 * ldb_msg_canonicalize() is now depreciated
2008 * Please use ldb_msg_normalize() instead
2010 * NOTE: Returned ldb_message object is allocated
2011 * into *ldb's context. Callers are recommended
2012 * to steal the returned object into a TALLOC_CTX
2013 * with short lifetime.
2015 struct ldb_message *ldb_msg_canonicalize(struct ldb_context *ldb,
2016 const struct ldb_message *msg) _DEPRECATED_;
2018 int ldb_msg_normalize(struct ldb_context *ldb,
2019 TALLOC_CTX *mem_ctx,
2020 const struct ldb_message *msg,
2021 struct ldb_message **_msg_out);
2025 * ldb_msg_diff() is now depreciated
2026 * Please use ldb_msg_difference() instead
2028 * NOTE: Returned ldb_message object is allocated
2029 * into *ldb's context. Callers are recommended
2030 * to steal the returned object into a TALLOC_CTX
2031 * with short lifetime.
2033 struct ldb_message *ldb_msg_diff(struct ldb_context *ldb,
2034 struct ldb_message *msg1,
2035 struct ldb_message *msg2) _DEPRECATED_;
2038 * return a ldb_message representing the differences between msg1 and msg2.
2039 * If you then use this in a ldb_modify() call,
2040 * it can be used to save edits to a message
2042 * Result message is constructed as follows:
2043 * - LDB_FLAG_MOD_ADD - elements found only in msg2
2044 * - LDB_FLAG_MOD_REPLACE - elements in msg2 that have
2045 * different value in msg1
2046 * Value for msg2 element is used
2047 * - LDB_FLAG_MOD_DELETE - elements found only in msg2
2049 * @return LDB_SUCCESS or LDB_ERR_OPERATIONS_ERROR
2051 int ldb_msg_difference(struct ldb_context *ldb,
2052 TALLOC_CTX *mem_ctx,
2053 struct ldb_message *msg1,
2054 struct ldb_message *msg2,
2055 struct ldb_message **_msg_out);
2058 Tries to find a certain string attribute in a message
2060 \param msg the message to check
2061 \param name attribute name
2062 \param value attribute value
2064 \return 1 on match and 0 otherwise.
2066 int ldb_msg_check_string_attribute(const struct ldb_message *msg,
2071 Integrity check an ldb_message
2073 This function performs basic sanity / integrity checks on an
2076 \param ldb context in which to perform the checks
2077 \param msg the message to check
2079 \return LDB_SUCCESS if the message is OK, or a non-zero error code
2080 (one of LDB_ERR_INVALID_DN_SYNTAX, LDB_ERR_ENTRY_ALREADY_EXISTS or
2081 LDB_ERR_INVALID_ATTRIBUTE_SYNTAX) if there is a problem with a
2084 int ldb_msg_sanity_check(struct ldb_context *ldb,
2085 const struct ldb_message *msg);
2088 Duplicate an ldb_val structure
2090 This function copies an ldb value structure.
2092 \param mem_ctx the memory context that the duplicated value will be
2094 \param v the ldb_val to be duplicated.
2096 \return the duplicated ldb_val structure.
2098 struct ldb_val ldb_val_dup(TALLOC_CTX *mem_ctx, const struct ldb_val *v);
2101 this allows the user to set a debug function for error reporting
2103 int ldb_set_debug(struct ldb_context *ldb,
2104 void (*debug)(void *context, enum ldb_debug_level level,
2105 const char *fmt, va_list ap) PRINTF_ATTRIBUTE(3,0),
2109 this allows the user to set custom utf8 function for error reporting
2111 void ldb_set_utf8_fns(struct ldb_context *ldb,
2113 char *(*casefold)(void *, void *, const char *, size_t n));
2116 this sets up debug to print messages on stderr
2118 int ldb_set_debug_stderr(struct ldb_context *ldb);
2120 /* control backend specific opaque values */
2121 int ldb_set_opaque(struct ldb_context *ldb, const char *name, void *value);
2122 void *ldb_get_opaque(struct ldb_context *ldb, const char *name);
2124 const char **ldb_attr_list_copy(TALLOC_CTX *mem_ctx, const char * const *attrs);
2125 const char **ldb_attr_list_copy_add(TALLOC_CTX *mem_ctx, const char * const *attrs, const char *new_attr);
2126 int ldb_attr_in_list(const char * const *attrs, const char *attr);
2128 int ldb_msg_rename_attr(struct ldb_message *msg, const char *attr, const char *replace);
2129 int ldb_msg_copy_attr(struct ldb_message *msg, const char *attr, const char *replace);
2130 void ldb_msg_remove_attr(struct ldb_message *msg, const char *attr);
2131 void ldb_msg_remove_element(struct ldb_message *msg, struct ldb_message_element *el);
2134 void ldb_parse_tree_attr_replace(struct ldb_parse_tree *tree,
2136 const char *replace);
2139 shallow copy a tree - copying only the elements array so that the caller
2140 can safely add new elements without changing the message
2142 struct ldb_parse_tree *ldb_parse_tree_copy_shallow(TALLOC_CTX *mem_ctx,
2143 const struct ldb_parse_tree *ot);
2146 Convert a time structure to a string
2148 This function converts a time_t structure to an LDAP formatted
2149 GeneralizedTime string.
2151 \param mem_ctx the memory context to allocate the return string in
2152 \param t the time structure to convert
2154 \return the formatted string, or NULL if the time structure could
2157 char *ldb_timestring(TALLOC_CTX *mem_ctx, time_t t);
2160 Convert a string to a time structure
2162 This function converts an LDAP formatted GeneralizedTime string
2163 to a time_t structure.
2165 \param s the string to convert
2167 \return the time structure, or 0 if the string cannot be converted
2169 time_t ldb_string_to_time(const char *s);
2172 convert a LDAP GeneralizedTime string in ldb_val format to a
2175 int ldb_val_to_time(const struct ldb_val *v, time_t *t);
2178 Convert a time structure to a string
2180 This function converts a time_t structure to an LDAP formatted
2183 \param mem_ctx the memory context to allocate the return string in
2184 \param t the time structure to convert
2186 \return the formatted string, or NULL if the time structure could
2189 char *ldb_timestring_utc(TALLOC_CTX *mem_ctx, time_t t);
2192 Convert a string to a time structure
2194 This function converts an LDAP formatted UTCTime string
2195 to a time_t structure.
2197 \param s the string to convert
2199 \return the time structure, or 0 if the string cannot be converted
2201 time_t ldb_string_utc_to_time(const char *s);
2204 void ldb_qsort (void *const pbase, size_t total_elems, size_t size, void *opaque, ldb_qsort_cmp_fn_t cmp);
2206 #ifndef discard_const
2207 #define discard_const(ptr) ((void *)((uintptr_t)(ptr)))
2211 a wrapper around ldb_qsort() that ensures the comparison function is
2212 type safe. This will produce a compilation warning if the types
2215 #define LDB_TYPESAFE_QSORT(base, numel, opaque, comparison) \
2218 ldb_qsort(base, numel, sizeof((base)[0]), discard_const(opaque), (ldb_qsort_cmp_fn_t)comparison); \
2219 comparison(&((base)[0]), &((base)[1]), opaque); \
2223 /* allow ldb to also call TYPESAFE_QSORT() */
2224 #ifndef TYPESAFE_QSORT
2225 #define TYPESAFE_QSORT(base, numel, comparison) \
2228 qsort(base, numel, sizeof((base)[0]), (int (*)(const void *, const void *))comparison); \
2229 comparison(&((base)[0]), &((base)[1])); \
2237 Convert a control into its string representation.
2239 \param mem_ctx TALLOC context to return result on, and to allocate error_string on
2240 \param control A struct ldb_control to convert
2242 \return string representation of the control
2244 char* ldb_control_to_string(TALLOC_CTX *mem_ctx, const struct ldb_control *control);
2246 Convert a string representing a control into a ldb_control structure
2248 \param ldb LDB context
2249 \param mem_ctx TALLOC context to return result on, and to allocate error_string on
2250 \param control_strings A string-formatted control
2252 \return a ldb_control element
2254 struct ldb_control *ldb_parse_control_from_string(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *control_strings);
2256 Convert an array of string represention of a control into an array of ldb_control structures
2258 \param ldb LDB context
2259 \param mem_ctx TALLOC context to return result on, and to allocate error_string on
2260 \param control_strings Array of string-formatted controls
2262 \return array of ldb_control elements
2264 struct ldb_control **ldb_parse_control_strings(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char **control_strings);
2267 return the ldb flags
2269 unsigned int ldb_get_flags(struct ldb_context *ldb);
2271 /* set the ldb flags */
2272 void ldb_set_flags(struct ldb_context *ldb, unsigned flags);
2275 struct ldb_dn *ldb_dn_binary_from_ldb_val(TALLOC_CTX *mem_ctx,
2276 struct ldb_context *ldb,
2277 const struct ldb_val *strdn);
2279 int ldb_dn_get_binary(struct ldb_dn *dn, struct ldb_val *val);
2280 int ldb_dn_set_binary(struct ldb_dn *dn, struct ldb_val *val);
2282 /* debugging functions for ldb requests */
2283 void ldb_req_set_location(struct ldb_request *req, const char *location);
2284 const char *ldb_req_location(struct ldb_request *req);
2286 /* set the location marker on a request handle - used for debugging */
2287 #define LDB_REQ_SET_LOCATION(req) ldb_req_set_location(req, __location__)
2290 minimise a DN. The caller must pass in a validated DN.
2292 If the DN has an extended component then only the first extended
2293 component is kept, the DN string is stripped.
2295 The existing dn is modified
2297 bool ldb_dn_minimise(struct ldb_dn *dn);
2300 compare a ldb_val to a string
2302 int ldb_val_string_cmp(const struct ldb_val *v, const char *str);