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_errors.h"
55 major restrictions as compared to normal LDAP:
57 - each record must have a unique key field
58 - the key must be representable as a NULL terminated C string and may not
59 contain a comma or braces
61 major restrictions as compared to tdb:
63 - no explicit locking calls, but we have transactions when using ldb_tdb
71 An individual lump of data in a result comes in this format. The
72 pointer will usually be to a UTF-8 string if the application is
73 sensible, but it can be to anything you like, including binary data
74 blobs of arbitrary size.
76 \note the data is null (0x00) terminated, but the length does not
77 include the terminator.
80 uint8_t *data; /*!< result data */
81 size_t length; /*!< length of data */
85 /*! \cond DOXYGEN_IGNORE */
86 #ifndef PRINTF_ATTRIBUTE
87 #define PRINTF_ATTRIBUTE(a,b)
91 #if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )
92 #define _DEPRECATED_ __attribute__ ((deprecated))
99 /* opaque ldb_dn structures, see ldb_dn.c for internals */
100 struct ldb_dn_component;
104 There are a number of flags that are used with ldap_modify() in
105 ldb_message_element.flags fields. The LDB_FLAGS_MOD_ADD,
106 LDB_FLAGS_MOD_DELETE and LDB_FLAGS_MOD_REPLACE flags are used in
107 ldap_modify() calls to specify whether attributes are being added,
108 deleted or modified respectively.
110 #define LDB_FLAG_MOD_MASK 0x3
113 use this to extract the mod type from the operation
115 #define LDB_FLAG_MOD_TYPE(flags) ((flags) & LDB_FLAG_MOD_MASK)
118 Flag value used in ldap_modify() to indicate that attributes are
121 \sa LDB_FLAG_MOD_MASK
123 #define LDB_FLAG_MOD_ADD 1
126 Flag value used in ldap_modify() to indicate that attributes are
129 \sa LDB_FLAG_MOD_MASK
131 #define LDB_FLAG_MOD_REPLACE 2
134 Flag value used in ldap_modify() to indicate that attributes are
137 \sa LDB_FLAG_MOD_MASK
139 #define LDB_FLAG_MOD_DELETE 3
142 flag bits on an element usable only by the internal implementation
144 #define LDB_FLAG_INTERNAL_MASK 0xFFFFFFF0
147 OID for logic AND comaprison.
149 This is the well known object ID for a logical AND comparitor.
151 #define LDB_OID_COMPARATOR_AND "1.2.840.113556.1.4.803"
154 OID for logic OR comparison.
156 This is the well known object ID for a logical OR comparitor.
158 #define LDB_OID_COMPARATOR_OR "1.2.840.113556.1.4.804"
161 results are given back as arrays of ldb_message_element
163 struct ldb_message_element {
166 unsigned int num_values;
167 struct ldb_val *values;
172 a ldb_message represents all or part of a record. It can contain an arbitrary
177 unsigned int num_elements;
178 struct ldb_message_element *elements;
181 enum ldb_changetype {
182 LDB_CHANGETYPE_NONE=0,
184 LDB_CHANGETYPE_DELETE,
185 LDB_CHANGETYPE_MODIFY
191 This structure contains a LDIF record, as returned from ldif_read()
192 and equivalent functions.
195 enum ldb_changetype changetype; /*!< The type of change */
196 struct ldb_message *msg; /*!< The changes */
199 enum ldb_scope {LDB_SCOPE_DEFAULT=-1,
201 LDB_SCOPE_ONELEVEL=1,
202 LDB_SCOPE_SUBTREE=2};
205 struct tevent_context;
207 /* debugging uses one of the following levels */
208 enum ldb_debug_level {LDB_DEBUG_FATAL, LDB_DEBUG_ERROR,
209 LDB_DEBUG_WARNING, LDB_DEBUG_TRACE};
212 the user can optionally supply a debug function. The function
213 is based on the vfprintf() style of interface, but with the addition
216 struct ldb_debug_ops {
217 void (*debug)(void *context, enum ldb_debug_level level,
218 const char *fmt, va_list ap) PRINTF_ATTRIBUTE(3,0);
223 The user can optionally supply a custom utf8 functions,
224 to handle comparisons and casefolding.
226 struct ldb_utf8_fns {
228 char *(*casefold)(void *context, TALLOC_CTX *mem_ctx, const char *s, size_t n);
232 Flag value for database connection mode.
234 If LDB_FLG_RDONLY is used in ldb_connect, then the database will be
235 opened read-only, if possible.
237 #define LDB_FLG_RDONLY 1
240 Flag value for database connection mode.
242 If LDB_FLG_NOSYNC is used in ldb_connect, then the database will be
243 opened without synchronous operations, if possible.
245 #define LDB_FLG_NOSYNC 2
248 Flag value to specify autoreconnect mode.
250 If LDB_FLG_RECONNECT is used in ldb_connect, then the backend will
251 be opened in a way that makes it try to auto reconnect if the
252 connection is dropped (actually make sense only with ldap).
254 #define LDB_FLG_RECONNECT 4
257 Flag to tell backends not to use mmap
259 #define LDB_FLG_NOMMAP 8
262 Flag to tell ldif handlers not to force encoding of binary
265 #define LDB_FLG_SHOW_BINARY 16
268 Flags to enable ldb tracing
270 #define LDB_FLG_ENABLE_TRACING 32
273 structures for ldb_parse_tree handling code
275 enum ldb_parse_op { LDB_OP_AND=1, LDB_OP_OR=2, LDB_OP_NOT=3,
276 LDB_OP_EQUALITY=4, LDB_OP_SUBSTRING=5,
277 LDB_OP_GREATER=6, LDB_OP_LESS=7, LDB_OP_PRESENT=8,
278 LDB_OP_APPROX=9, LDB_OP_EXTENDED=10 };
280 struct ldb_parse_tree {
281 enum ldb_parse_op operation;
284 struct ldb_parse_tree *child;
288 struct ldb_val value;
292 int start_with_wildcard;
293 int end_with_wildcard;
294 struct ldb_val **chunks;
301 struct ldb_val value;
307 struct ldb_val value;
310 unsigned int num_elements;
311 struct ldb_parse_tree **elements;
316 struct ldb_parse_tree *ldb_parse_tree(TALLOC_CTX *mem_ctx, const char *s);
317 char *ldb_filter_from_tree(TALLOC_CTX *mem_ctx, struct ldb_parse_tree *tree);
322 This function encodes a binary blob using the encoding rules in RFC
323 2254 (Section 4). This function also escapes any non-printable
326 \param mem_ctx the memory context to allocate the return string in.
327 \param val the (potentially) binary data to be encoded
329 \return the encoded data as a null terminated string
331 \sa <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>.
333 char *ldb_binary_encode(TALLOC_CTX *mem_ctx, struct ldb_val val);
338 This function encodes a string using the encoding rules in RFC 2254
339 (Section 4). This function also escapes any non-printable
342 \param mem_ctx the memory context to allocate the return string in.
343 \param string the string to be encoded
345 \return the encoded data as a null terminated string
347 \sa <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>.
349 char *ldb_binary_encode_string(TALLOC_CTX *mem_ctx, const char *string);
352 functions for controlling attribute handling
354 typedef int (*ldb_attr_handler_t)(struct ldb_context *, TALLOC_CTX *mem_ctx, const struct ldb_val *, struct ldb_val *);
355 typedef int (*ldb_attr_comparison_t)(struct ldb_context *, TALLOC_CTX *mem_ctx, const struct ldb_val *, const struct ldb_val *);
356 struct ldb_schema_attribute;
357 typedef int (*ldb_attr_operator_t)(struct ldb_context *, enum ldb_parse_op operation,
358 const struct ldb_schema_attribute *a,
359 const struct ldb_val *, const struct ldb_val *, bool *matched);
362 attribute handler structure
364 attr -> The attribute name
365 ldif_read_fn -> convert from ldif to binary format
366 ldif_write_fn -> convert from binary to ldif format
367 canonicalise_fn -> canonicalise a value, for use by indexing and dn construction
368 comparison_fn -> compare two values
371 struct ldb_schema_syntax {
373 ldb_attr_handler_t ldif_read_fn;
374 ldb_attr_handler_t ldif_write_fn;
375 ldb_attr_handler_t canonicalise_fn;
376 ldb_attr_comparison_t comparison_fn;
377 ldb_attr_operator_t operator_fn;
380 struct ldb_schema_attribute {
383 const struct ldb_schema_syntax *syntax;
386 const struct ldb_schema_attribute *ldb_schema_attribute_by_name(struct ldb_context *ldb,
389 struct ldb_dn_extended_syntax {
391 ldb_attr_handler_t read_fn;
392 ldb_attr_handler_t write_clear_fn;
393 ldb_attr_handler_t write_hex_fn;
396 const struct ldb_dn_extended_syntax *ldb_dn_extended_syntax_by_name(struct ldb_context *ldb,
400 The attribute is not returned by default
402 #define LDB_ATTR_FLAG_HIDDEN (1<<0)
404 /* the attribute handler name should be freed when released */
405 #define LDB_ATTR_FLAG_ALLOCATED (1<<1)
408 The attribute is supplied by the application and should not be removed
410 #define LDB_ATTR_FLAG_FIXED (1<<2)
413 when this is set, attempts to create two records which have the same
414 value for this attribute will return LDB_ERR_ENTRY_ALREADY_EXISTS
416 #define LDB_ATTR_FLAG_UNIQUE_INDEX (1<<3)
419 when this is set, attempts to create two attribute values for this attribute on a single DN will return LDB_ERR_CONSTRAINT_VIOLATION
421 #define LDB_ATTR_FLAG_SINGLE_VALUE (1<<4)
424 LDAP attribute syntax for a DN
426 This is the well-known LDAP attribute syntax for a DN.
428 See <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>, Section 4.3.2
430 #define LDB_SYNTAX_DN "1.3.6.1.4.1.1466.115.121.1.12"
433 LDAP attribute syntax for a Directory String
435 This is the well-known LDAP attribute syntax for a Directory String.
437 \sa <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>, Section 4.3.2
439 #define LDB_SYNTAX_DIRECTORY_STRING "1.3.6.1.4.1.1466.115.121.1.15"
442 LDAP attribute syntax for an integer
444 This is the well-known LDAP attribute syntax for an integer.
446 See <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>, Section 4.3.2
448 #define LDB_SYNTAX_INTEGER "1.3.6.1.4.1.1466.115.121.1.27"
451 LDAP attribute syntax for a boolean
453 This is the well-known LDAP attribute syntax for a boolean.
455 See <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>, Section 4.3.2
457 #define LDB_SYNTAX_BOOLEAN "1.3.6.1.4.1.1466.115.121.1.7"
460 LDAP attribute syntax for an octet string
462 This is the well-known LDAP attribute syntax for an octet string.
464 See <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>, Section 4.3.2
466 #define LDB_SYNTAX_OCTET_STRING "1.3.6.1.4.1.1466.115.121.1.40"
469 LDAP attribute syntax for UTC time.
471 This is the well-known LDAP attribute syntax for a UTC time.
473 See <a href="http://www.ietf.org/rfc/rfc2252.txt">RFC 2252</a>, Section 4.3.2
475 #define LDB_SYNTAX_UTC_TIME "1.3.6.1.4.1.1466.115.121.1.53"
477 #define LDB_SYNTAX_OBJECTCLASS "LDB_SYNTAX_OBJECTCLASS"
479 /* sorting helpers */
480 typedef int (*ldb_qsort_cmp_fn_t) (void *v1, void *v2, void *opaque);
482 /* Individual controls */
485 OID for getting and manipulating attributes from the ldb
486 without interception in the operational module.
487 It can be used to access attribute that used to be stored in the sam
488 and that are now calculated.
490 #define LDB_CONTROL_BYPASS_OPERATIONAL_OID "1.3.6.1.4.1.7165.4.3.13"
493 OID for recalculate SD control. This control force the
494 dsdb code to recalculate the SD of the object as if the
495 object was just created.
498 #define LDB_CONTROL_RECALCULATE_SD_OID "1.3.6.1.4.1.7165.4.3.5"
501 REVEAL_INTERNALS is used to reveal internal attributes and DN
502 components which are not normally shown to the user
504 #define LDB_CONTROL_REVEAL_INTERNALS "1.3.6.1.4.1.7165.4.3.6"
507 LDB_CONTROL_AS_SYSTEM is used to skip access checks on operations
508 that are performed by the system, but with a user's credentials, e.g.
511 #define LDB_CONTROL_AS_SYSTEM_OID "1.3.6.1.4.1.7165.4.3.7"
516 OID for the paged results control. This control is included in the
517 searchRequest and searchResultDone messages as part of the controls
518 field of the LDAPMessage, as defined in Section 4.1.12 of
521 \sa <a href="http://www.ietf.org/rfc/rfc2696.txt">RFC 2696</a>.
523 #define LDB_CONTROL_PAGED_RESULTS_OID "1.2.840.113556.1.4.319"
526 OID for specifying the returned elements of the ntSecurityDescriptor
528 \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>
530 #define LDB_CONTROL_SD_FLAGS_OID "1.2.840.113556.1.4.801"
533 OID for specifying an advanced scope for the search (one partition)
535 \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>
537 #define LDB_CONTROL_DOMAIN_SCOPE_OID "1.2.840.113556.1.4.1339"
540 OID for specifying an advanced scope for a search
542 \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>
544 #define LDB_CONTROL_SEARCH_OPTIONS_OID "1.2.840.113556.1.4.1340"
549 \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>
551 #define LDB_CONTROL_NOTIFICATION_OID "1.2.840.113556.1.4.528"
554 OID for performing subtree deletes
556 \sa <a href="http://msdn.microsoft.com/en-us/library/aa366991(v=VS.85).aspx">Microsoft documentation of this OID</a>
558 #define LDB_CONTROL_TREE_DELETE_OID "1.2.840.113556.1.4.805"
561 OID for getting deleted objects
563 \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>
565 #define LDB_CONTROL_SHOW_DELETED_OID "1.2.840.113556.1.4.417"
568 OID for getting recycled objects
570 \sa <a href="http://msdn.microsoft.com/en-us/library/dd304621(PROT.13).aspx">Microsoft documentation of this OID</a>
572 #define LDB_CONTROL_SHOW_RECYCLED_OID "1.2.840.113556.1.4.2064"
575 OID for getting deactivated linked attributes
577 \sa <a href="http://msdn.microsoft.com/en-us/library/dd302781(PROT.13).aspx">Microsoft documentation of this OID</a>
579 #define LDB_CONTROL_SHOW_DEACTIVATED_LINK_OID "1.2.840.113556.1.4.2065"
584 \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>
586 #define LDB_CONTROL_EXTENDED_DN_OID "1.2.840.113556.1.4.529"
589 OID for LDAP server sort result extension.
591 This control is included in the searchRequest message as part of
592 the controls field of the LDAPMessage, as defined in Section 4.1.12
593 of LDAP v3. The controlType is set to
594 "1.2.840.113556.1.4.473". The criticality MAY be either TRUE or
595 FALSE (where absent is also equivalent to FALSE) at the client's
598 \sa <a href="http://www.ietf.org/rfc/rfc2891.txt">RFC 2891</a>.
600 #define LDB_CONTROL_SERVER_SORT_OID "1.2.840.113556.1.4.473"
603 OID for LDAP server sort result response extension.
605 This control is included in the searchResultDone message as part of
606 the controls field of the LDAPMessage, as defined in Section 4.1.12 of
609 \sa <a href="http://www.ietf.org/rfc/rfc2891.txt">RFC 2891</a>.
611 #define LDB_CONTROL_SORT_RESP_OID "1.2.840.113556.1.4.474"
614 OID for LDAP Attribute Scoped Query extension.
616 This control is included in SearchRequest or SearchResponse
617 messages as part of the controls field of the LDAPMessage.
619 #define LDB_CONTROL_ASQ_OID "1.2.840.113556.1.4.1504"
622 OID for LDAP Directory Sync extension.
624 This control is included in SearchRequest or SearchResponse
625 messages as part of the controls field of the LDAPMessage.
627 #define LDB_CONTROL_DIRSYNC_OID "1.2.840.113556.1.4.841"
631 OID for LDAP Virtual List View Request extension.
633 This control is included in SearchRequest messages
634 as part of the controls field of the LDAPMessage.
636 #define LDB_CONTROL_VLV_REQ_OID "2.16.840.1.113730.3.4.9"
639 OID for LDAP Virtual List View Response extension.
641 This control is included in SearchResponse messages
642 as part of the controls field of the LDAPMessage.
644 #define LDB_CONTROL_VLV_RESP_OID "2.16.840.1.113730.3.4.10"
647 OID to let modifies don't give an error when adding an existing
648 attribute with the same value or deleting an nonexisting one attribute
650 \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>
652 #define LDB_CONTROL_PERMISSIVE_MODIFY_OID "1.2.840.113556.1.4.1413"
655 OID to allow the server to be more 'fast and loose' with the data being added.
657 \sa <a href="http://msdn.microsoft.com/en-us/library/aa366982(v=VS.85).aspx">Microsoft documentation of this OID</a>
659 #define LDB_CONTROL_SERVER_LAZY_COMMIT "1.2.840.113556.1.4.619"
662 Control for RODC join -see [MS-ADTS] section 3.1.1.3.4.1.23
664 \sa <a href="">Microsoft documentation of this OID</a>
666 #define LDB_CONTROL_RODC_DCPROMO_OID "1.2.840.113556.1.4.1341"
668 /* Other standardised controls */
671 OID for the allowing client to request temporary relaxed
672 enforcement of constraints of the x.500 model.
674 \sa <a href="http://opends.dev.java.net/public/standards/draft-zeilenga-ldap-managedit.txt">draft managedit</a>.
676 #define LDB_CONTROL_RELAX_OID "1.3.6.1.4.1.4203.666.5.12"
679 OID for LDAP Extended Operation PASSWORD_CHANGE.
681 This Extended operation is used to allow user password changes by the user
684 #define LDB_EXTENDED_PASSWORD_CHANGE_OID "1.3.6.1.4.1.4203.1.11.1"
686 /* Extended operations */
689 OID for LDAP Extended Operation FAST_BIND
691 This Extended operations is used to perform a fast bind.
693 #define LDB_EXTENDED_FAST_BIND_OID "1.2.840.113556.1.4.1781"
696 OID for LDAP Extended Operation START_TLS.
698 This Extended operation is used to start a new TLS channel on top of a clear
701 #define LDB_EXTENDED_START_TLS_OID "1.3.6.1.4.1.1466.20037"
704 OID for LDAP Extended Operation DYNAMIC_REFRESH.
706 This Extended operation is used to create and maintain objects which exist
707 only a specific time, e.g. when a certain client or a certain person is
708 logged in. Data refreshes have to be periodically sent in a specific
709 interval. Otherwise the entry is going to be removed.
711 #define LDB_EXTENDED_DYNAMIC_OID "1.3.6.1.4.1.1466.101.119.1"
713 struct ldb_sd_flags_control {
715 * request the owner 0x00000001
716 * request the group 0x00000002
717 * request the DACL 0x00000004
718 * request the SACL 0x00000008
720 unsigned secinfo_flags;
724 * DOMAIN_SCOPE 0x00000001
725 * this limits the search to one partition,
726 * and no referrals will be returned.
727 * (Note this doesn't limit the entries by there
728 * objectSid belonging to a domain! Builtin and Foreign Sids
729 * are still returned)
731 * PHANTOM_ROOT 0x00000002
732 * this search on the whole tree on a domain controller
733 * over multiple partitions without referrals.
734 * (This is the default behavior on the Global Catalog Port)
737 #define LDB_SEARCH_OPTION_DOMAIN_SCOPE 0x00000001
738 #define LDB_SEARCH_OPTION_PHANTOM_ROOT 0x00000002
740 struct ldb_search_options_control {
741 unsigned search_options;
744 struct ldb_paged_control {
750 struct ldb_extended_dn_control {
754 struct ldb_server_sort_control {
755 const char *attributeName;
756 const char *orderingRule;
760 struct ldb_sort_resp_control {
765 struct ldb_asq_control {
767 char *source_attribute;
772 struct ldb_dirsync_control {
779 struct ldb_vlv_req_control {
797 struct ldb_vlv_resp_control {
811 enum ldb_request_type {
818 LDB_REQ_REGISTER_CONTROL,
819 LDB_REQ_REGISTER_PARTITION
822 enum ldb_reply_type {
839 struct ldb_extended {
841 void *data; /* NULL or a valid talloc pointer! talloc_get_type() will be used on it */
844 #define LDB_EXTENDED_SEQUENCE_NUMBER "1.3.6.1.4.1.7165.4.4.3"
846 enum ldb_sequence_type {
848 LDB_SEQ_HIGHEST_TIMESTAMP,
852 #define LDB_SEQ_GLOBAL_SEQUENCE 0x01
853 #define LDB_SEQ_TIMESTAMP_SEQUENCE 0x02
855 struct ldb_seqnum_request {
856 enum ldb_sequence_type type;
859 struct ldb_seqnum_result {
866 struct ldb_message **msgs;
867 struct ldb_extended *extended;
868 struct ldb_control **controls;
874 enum ldb_reply_type type;
875 struct ldb_message *message;
876 struct ldb_extended *response;
877 struct ldb_control **controls;
886 enum ldb_scope scope;
887 struct ldb_parse_tree *tree;
888 const char * const *attrs;
889 struct ldb_result *res;
893 const struct ldb_message *message;
897 const struct ldb_message *message;
905 struct ldb_dn *olddn;
906 struct ldb_dn *newdn;
909 struct ldb_register_control {
913 struct ldb_register_partition {
917 typedef int (*ldb_request_callback_t)(struct ldb_request *, struct ldb_reply *);
921 enum ldb_request_type operation;
924 struct ldb_search search;
926 struct ldb_modify mod;
927 struct ldb_delete del;
928 struct ldb_rename rename;
929 struct ldb_extended extended;
930 struct ldb_register_control reg_control;
931 struct ldb_register_partition reg_partition;
934 struct ldb_control **controls;
937 ldb_request_callback_t callback;
941 struct ldb_handle *handle;
944 int ldb_request(struct ldb_context *ldb, struct ldb_request *request);
945 int ldb_request_done(struct ldb_request *req, int status);
946 bool ldb_request_is_done(struct ldb_request *req);
948 int ldb_modules_wait(struct ldb_handle *handle);
949 int ldb_wait(struct ldb_handle *handle, enum ldb_wait_type type);
951 int ldb_set_timeout(struct ldb_context *ldb, struct ldb_request *req, int timeout);
952 int ldb_set_timeout_from_prev_req(struct ldb_context *ldb, struct ldb_request *oldreq, struct ldb_request *newreq);
953 void ldb_set_create_perms(struct ldb_context *ldb, unsigned int perms);
954 void ldb_set_modules_dir(struct ldb_context *ldb, const char *path);
955 struct tevent_context;
956 void ldb_set_event_context(struct ldb_context *ldb, struct tevent_context *ev);
957 struct tevent_context * ldb_get_event_context(struct ldb_context *ldb);
960 Initialise ldbs' global information
962 This is required before any other LDB call
964 \return 0 if initialisation succeeded, -1 otherwise
966 int ldb_global_init(void);
969 Initialise an ldb context
971 This is required before any other LDB call.
973 \param mem_ctx pointer to a talloc memory context. Pass NULL if there is
974 no suitable context available.
976 \return pointer to ldb_context that should be free'd (using talloc_free())
977 at the end of the program.
979 struct ldb_context *ldb_init(TALLOC_CTX *mem_ctx, struct tevent_context *ev_ctx);
982 Connect to a database.
984 This is typically called soon after ldb_init(), and is required prior to
985 any search or database modification operations.
987 The URL can be one of the following forms:
993 \param ldb the context associated with the database (from ldb_init())
994 \param url the URL of the database to connect to, as noted above
995 \param flags a combination of LDB_FLG_* to modify the connection behaviour
996 \param options backend specific options - passed uninterpreted to the backend
998 \return result code (LDB_SUCCESS on success, or a failure code)
1000 \note It is an error to connect to a database that does not exist in readonly mode
1001 (that is, with LDB_FLG_RDONLY). However in read-write mode, the database will be
1002 created if it does not exist.
1005 typedef void (*ldb_async_timeout_fn) (void *);
1006 typedef bool (*ldb_async_callback_fn) (void *);
1007 typedef int (*ldb_async_ctx_add_op_fn)(void *, time_t, void *, ldb_async_timeout_fn, ldb_async_callback_fn);
1008 typedef int (*ldb_async_ctx_wait_op_fn)(void *);
1010 void ldb_async_ctx_set_private_data(struct ldb_context *ldb,
1011 void *private_data);
1012 void ldb_async_ctx_set_add_op(struct ldb_context *ldb,
1013 ldb_async_ctx_add_op_fn add_op);
1014 void ldb_async_ctx_set_wait_op(struct ldb_context *ldb,
1015 ldb_async_ctx_wait_op_fn wait_op);
1017 int ldb_connect(struct ldb_context *ldb, const char *url, unsigned int flags, const char *options[]);
1020 return an automatic basedn from the rootDomainNamingContext of the rootDSE
1021 This value have been set in an opaque pointer at connection time
1023 struct ldb_dn *ldb_get_root_basedn(struct ldb_context *ldb);
1026 return an automatic basedn from the configurationNamingContext of the rootDSE
1027 This value have been set in an opaque pointer at connection time
1029 struct ldb_dn *ldb_get_config_basedn(struct ldb_context *ldb);
1032 return an automatic basedn from the schemaNamingContext of the rootDSE
1033 This value have been set in an opaque pointer at connection time
1035 struct ldb_dn *ldb_get_schema_basedn(struct ldb_context *ldb);
1038 return an automatic baseDN from the defaultNamingContext of the rootDSE
1039 This value have been set in an opaque pointer at connection time
1041 struct ldb_dn *ldb_get_default_basedn(struct ldb_context *ldb);
1044 The default async search callback function
1046 \param req the request we are callback of
1047 \param ares a single reply from the async core
1049 \return result code (LDB_SUCCESS on success, or a failure code)
1051 \note this function expects req->context to always be an struct ldb_result pointer
1052 AND a talloc context, this function will steal on the context each message
1053 from the ares reply passed on by the async core so that in the end all the
1054 messages will be in the context (ldb_result) memory tree.
1055 Freeing the passed context (ldb_result tree) will free all the resources
1056 (the request need to be freed separately and the result doe not depend on the
1057 request that can be freed as sson as the search request is finished)
1060 int ldb_search_default_callback(struct ldb_request *req, struct ldb_reply *ares);
1063 The default async extended operation callback function
1065 \param req the request we are callback of
1066 \param ares a single reply from the async core
1068 \return result code (LDB_SUCCESS on success, or a failure code)
1070 int ldb_op_default_callback(struct ldb_request *req, struct ldb_reply *ares);
1072 int ldb_modify_default_callback(struct ldb_request *req, struct ldb_reply *ares);
1075 Helper function to build a search request
1077 \param ret_req the request structure is returned here (talloced on mem_ctx)
1078 \param ldb the context associated with the database (from ldb_init())
1079 \param mem_ctx a talloc memory context (used as parent of ret_req)
1080 \param base the Base Distinguished Name for the query (use ldb_dn_new() for an empty one)
1081 \param scope the search scope for the query
1082 \param expression the search expression to use for this query
1083 \param attrs the search attributes for the query (pass NULL if none required)
1084 \param controls an array of controls
1085 \param context the callback function context
1086 \param the callback function to handle the async replies
1087 \param the parent request if any
1089 \return result code (LDB_SUCCESS on success, or a failure code)
1092 int ldb_build_search_req(struct ldb_request **ret_req,
1093 struct ldb_context *ldb,
1094 TALLOC_CTX *mem_ctx,
1095 struct ldb_dn *base,
1096 enum ldb_scope scope,
1097 const char *expression,
1098 const char * const *attrs,
1099 struct ldb_control **controls,
1101 ldb_request_callback_t callback,
1102 struct ldb_request *parent);
1104 int ldb_build_search_req_ex(struct ldb_request **ret_req,
1105 struct ldb_context *ldb,
1106 TALLOC_CTX *mem_ctx,
1107 struct ldb_dn *base,
1108 enum ldb_scope scope,
1109 struct ldb_parse_tree *tree,
1110 const char * const *attrs,
1111 struct ldb_control **controls,
1113 ldb_request_callback_t callback,
1114 struct ldb_request *parent);
1117 Helper function to build an add request
1119 \param ret_req the request structure is returned here (talloced on mem_ctx)
1120 \param ldb the context associated with the database (from ldb_init())
1121 \param mem_ctx a talloc memory context (used as parent of ret_req)
1122 \param message contains the entry to be added
1123 \param controls an array of controls
1124 \param context the callback function context
1125 \param the callback function to handle the async replies
1126 \param the parent request if any
1128 \return result code (LDB_SUCCESS on success, or a failure code)
1131 int ldb_build_add_req(struct ldb_request **ret_req,
1132 struct ldb_context *ldb,
1133 TALLOC_CTX *mem_ctx,
1134 const struct ldb_message *message,
1135 struct ldb_control **controls,
1137 ldb_request_callback_t callback,
1138 struct ldb_request *parent);
1141 Helper function to build a modify request
1143 \param ret_req the request structure is returned here (talloced on mem_ctx)
1144 \param ldb the context associated with the database (from ldb_init())
1145 \param mem_ctx a talloc memory context (used as parent of ret_req)
1146 \param message contains the entry to be modified
1147 \param controls an array of controls
1148 \param context the callback function context
1149 \param the callback function to handle the async replies
1150 \param the parent request if any
1152 \return result code (LDB_SUCCESS on success, or a failure code)
1155 int ldb_build_mod_req(struct ldb_request **ret_req,
1156 struct ldb_context *ldb,
1157 TALLOC_CTX *mem_ctx,
1158 const struct ldb_message *message,
1159 struct ldb_control **controls,
1161 ldb_request_callback_t callback,
1162 struct ldb_request *parent);
1165 Helper function to build a delete request
1167 \param ret_req the request structure is returned here (talloced on mem_ctx)
1168 \param ldb the context associated with the database (from ldb_init())
1169 \param mem_ctx a talloc memory context (used as parent of ret_req)
1170 \param dn the DN to be deleted
1171 \param controls an array of controls
1172 \param context the callback function context
1173 \param the callback function to handle the async replies
1174 \param the parent request if any
1176 \return result code (LDB_SUCCESS on success, or a failure code)
1179 int ldb_build_del_req(struct ldb_request **ret_req,
1180 struct ldb_context *ldb,
1181 TALLOC_CTX *mem_ctx,
1183 struct ldb_control **controls,
1185 ldb_request_callback_t callback,
1186 struct ldb_request *parent);
1189 Helper function to build a rename request
1191 \param ret_req the request structure is returned here (talloced on mem_ctx)
1192 \param ldb the context associated with the database (from ldb_init())
1193 \param mem_ctx a talloc memory context (used as parent of ret_req)
1194 \param olddn the old DN
1195 \param newdn the new DN
1196 \param controls an array of controls
1197 \param context the callback function context
1198 \param the callback function to handle the async replies
1199 \param the parent request if any
1201 \return result code (LDB_SUCCESS on success, or a failure code)
1204 int ldb_build_rename_req(struct ldb_request **ret_req,
1205 struct ldb_context *ldb,
1206 TALLOC_CTX *mem_ctx,
1207 struct ldb_dn *olddn,
1208 struct ldb_dn *newdn,
1209 struct ldb_control **controls,
1211 ldb_request_callback_t callback,
1212 struct ldb_request *parent);
1215 Add a ldb_control to a ldb_request
1217 \param req the request struct where to add the control
1218 \param oid the object identifier of the control as string
1219 \param critical whether the control should be critical or not
1220 \param data a talloc pointer to the control specific data
1222 \return result code (LDB_SUCCESS on success, or a failure code)
1224 int ldb_request_add_control(struct ldb_request *req, const char *oid, bool critical, void *data);
1227 replace a ldb_control in a ldb_request
1229 \param req the request struct where to add the control
1230 \param oid the object identifier of the control as string
1231 \param critical whether the control should be critical or not
1232 \param data a talloc pointer to the control specific data
1234 \return result code (LDB_SUCCESS on success, or a failure code)
1236 int ldb_request_replace_control(struct ldb_request *req, const char *oid, bool critical, void *data);
1239 check if a control with the specified "oid" exist and return it
1240 \param req the request struct where to add the control
1241 \param oid the object identifier of the control as string
1243 \return the control, NULL if not found
1245 struct ldb_control *ldb_request_get_control(struct ldb_request *req, const char *oid);
1248 check if a control with the specified "oid" exist and return it
1249 \param rep the reply struct where to add the control
1250 \param oid the object identifier of the control as string
1252 \return the control, NULL if not found
1254 struct ldb_control *ldb_reply_get_control(struct ldb_reply *rep, const char *oid);
1259 This function searches the database, and returns
1260 records that match an LDAP-like search expression
1262 \param ldb the context associated with the database (from ldb_init())
1263 \param mem_ctx the memory context to use for the request and the results
1264 \param result the return result
1265 \param base the Base Distinguished Name for the query (use ldb_dn_new() for an empty one)
1266 \param scope the search scope for the query
1267 \param attrs the search attributes for the query (pass NULL if none required)
1268 \param exp_fmt the search expression to use for this query (printf like)
1270 \return result code (LDB_SUCCESS on success, or a failure code)
1272 \note use talloc_free() to free the ldb_result returned
1274 int ldb_search(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1275 struct ldb_result **result, struct ldb_dn *base,
1276 enum ldb_scope scope, const char * const *attrs,
1277 const char *exp_fmt, ...) PRINTF_ATTRIBUTE(7,8);
1280 Add a record to the database.
1282 This function adds a record to the database. This function will fail
1283 if a record with the specified class and key already exists in the
1286 \param ldb the context associated with the database (from
1288 \param message the message containing the record to add.
1290 \return result code (LDB_SUCCESS if the record was added, otherwise
1293 int ldb_add(struct ldb_context *ldb,
1294 const struct ldb_message *message);
1297 Modify the specified attributes of a record
1299 This function modifies a record that is in the database.
1301 \param ldb the context associated with the database (from
1303 \param message the message containing the changes required.
1305 \return result code (LDB_SUCCESS if the record was modified as
1306 requested, otherwise a failure code)
1308 int ldb_modify(struct ldb_context *ldb,
1309 const struct ldb_message *message);
1312 Rename a record in the database
1314 This function renames a record in the database.
1316 \param ldb the context associated with the database (from
1318 \param olddn the DN for the record to be renamed.
1319 \param newdn the new DN
1321 \return result code (LDB_SUCCESS if the record was renamed as
1322 requested, otherwise a failure code)
1324 int ldb_rename(struct ldb_context *ldb, struct ldb_dn *olddn, struct ldb_dn *newdn);
1327 Delete a record from the database
1329 This function deletes a record from the database.
1331 \param ldb the context associated with the database (from
1333 \param dn the DN for the record to be deleted.
1335 \return result code (LDB_SUCCESS if the record was deleted,
1336 otherwise a failure code)
1338 int ldb_delete(struct ldb_context *ldb, struct ldb_dn *dn);
1341 The default async extended operation callback function
1343 \param req the request we are callback of
1344 \param ares a single reply from the async core
1346 \return result code (LDB_SUCCESS on success, or a failure code)
1348 \note this function expects req->context to always be an struct ldb_result pointer
1349 AND a talloc context, this function will steal on the context each message
1350 from the ares reply passed on by the async core so that in the end all the
1351 messages will be in the context (ldb_result) memory tree.
1352 Freeing the passed context (ldb_result tree) will free all the resources
1353 (the request need to be freed separately and the result doe not depend on the
1354 request that can be freed as sson as the search request is finished)
1357 int ldb_extended_default_callback(struct ldb_request *req, struct ldb_reply *ares);
1361 Helper function to build a extended request
1363 \param ret_req the request structure is returned here (talloced on mem_ctx)
1364 \param ldb the context associated with the database (from ldb_init())
1365 \param mem_ctx a talloc memory context (used as parent of ret_req)
1366 \param oid the OID of the extended operation.
1367 \param data a void pointer a the extended operation specific parameters,
1368 it needs to be NULL or a valid talloc pointer! talloc_get_type() will be used on it
1369 \param controls an array of controls
1370 \param context the callback function context
1371 \param the callback function to handle the async replies
1372 \param the parent request if any
1374 \return result code (LDB_SUCCESS on success, or a failure code)
1376 int ldb_build_extended_req(struct ldb_request **ret_req,
1377 struct ldb_context *ldb,
1378 TALLOC_CTX *mem_ctx,
1380 void *data,/* NULL or a valid talloc pointer! talloc_get_type() will be used on it */
1381 struct ldb_control **controls,
1383 ldb_request_callback_t callback,
1384 struct ldb_request *parent);
1387 call an extended operation
1389 This function deletes a record from the database.
1391 \param ldb the context associated with the database (from ldb_init())
1392 \param oid the OID of the extended operation.
1393 \param data a void pointer a the extended operation specific parameters,
1394 it needs to be NULL or a valid talloc pointer! talloc_get_type() will be used on it
1395 \param res the result of the extended operation
1397 \return result code (LDB_SUCCESS if the extended operation returned fine,
1398 otherwise a failure code)
1400 int ldb_extended(struct ldb_context *ldb,
1402 void *data,/* NULL or a valid talloc pointer! talloc_get_type() will be used on it */
1403 struct ldb_result **res);
1406 Obtain current/next database sequence number
1408 int ldb_sequence_number(struct ldb_context *ldb, enum ldb_sequence_type type, uint64_t *seq_num);
1413 int ldb_transaction_start(struct ldb_context *ldb);
1416 first phase of two phase commit
1418 int ldb_transaction_prepare_commit(struct ldb_context *ldb);
1421 commit a transaction
1423 int ldb_transaction_commit(struct ldb_context *ldb);
1426 cancel a transaction
1428 int ldb_transaction_cancel(struct ldb_context *ldb);
1431 cancel a transaction with no error if no transaction is pending
1432 used when we fork() to clear any parent transactions
1434 int ldb_transaction_cancel_noerr(struct ldb_context *ldb);
1438 return extended error information from the last call
1440 const char *ldb_errstring(struct ldb_context *ldb);
1443 return a string explaining what a ldb error constant meancs
1445 const char *ldb_strerror(int ldb_err);
1448 setup the default utf8 functions
1449 FIXME: these functions do not yet handle utf8
1451 void ldb_set_utf8_default(struct ldb_context *ldb);
1456 \param ldb the ldb context
1457 \param mem_ctx the memory context to allocate the result string
1459 \param s the string that is to be folded
1460 \return a copy of the string, converted to upper case
1462 \note The default function is not yet UTF8 aware. Provide your own
1463 set of functions through ldb_set_utf8_fns()
1465 char *ldb_casefold(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *s, size_t n);
1468 Check the attribute name is valid according to rfc2251
1469 \param s the string to check
1471 \return 1 if the name is ok
1473 int ldb_valid_attr_name(const char *s);
1476 ldif manipulation functions
1480 Write an LDIF message
1482 This function writes an LDIF message using a caller supplied write
1485 \param ldb the ldb context (from ldb_init())
1486 \param fprintf_fn a function pointer for the write function. This must take
1487 a private data pointer, followed by a format string, and then a variable argument
1489 \param private_data pointer that will be provided back to the write
1490 function. This is useful for maintaining state or context.
1491 \param ldif the message to write out
1493 \return the total number of bytes written, or an error code as returned
1494 from the write function.
1496 \sa ldb_ldif_write_file for a more convenient way to write to a
1499 \sa ldb_ldif_read for the reader equivalent to this function.
1501 int ldb_ldif_write(struct ldb_context *ldb,
1502 int (*fprintf_fn)(void *, const char *, ...) PRINTF_ATTRIBUTE(2,3),
1504 const struct ldb_ldif *ldif);
1507 Clean up an LDIF message
1509 This function cleans up a LDIF message read using ldb_ldif_read()
1510 or related functions (such as ldb_ldif_read_string() and
1511 ldb_ldif_read_file().
1513 \param ldb the ldb context (from ldb_init())
1514 \param msg the message to clean up and free
1517 void ldb_ldif_read_free(struct ldb_context *ldb, struct ldb_ldif *msg);
1520 Read an LDIF message
1522 This function creates an LDIF message using a caller supplied read
1525 \param ldb the ldb context (from ldb_init())
1526 \param fgetc_fn a function pointer for the read function. This must
1527 take a private data pointer, and must return a pointer to an
1528 integer corresponding to the next byte read (or EOF if there is no
1529 more data to be read).
1530 \param private_data pointer that will be provided back to the read
1531 function. This is udeful for maintaining state or context.
1533 \return the LDIF message that has been read in
1535 \note You must free the LDIF message when no longer required, using
1536 ldb_ldif_read_free().
1538 \sa ldb_ldif_read_file for a more convenient way to read from a
1541 \sa ldb_ldif_read_string for a more convenient way to read from a
1542 string (char array).
1544 \sa ldb_ldif_write for the writer equivalent to this function.
1546 struct ldb_ldif *ldb_ldif_read(struct ldb_context *ldb,
1547 int (*fgetc_fn)(void *), void *private_data);
1550 Read an LDIF message from a file
1552 This function reads the next LDIF message from the contents of a
1553 file stream. If you want to get all of the LDIF messages, you will
1554 need to repeatedly call this function, until it returns NULL.
1556 \param ldb the ldb context (from ldb_init())
1557 \param f the file stream to read from (typically from fdopen())
1559 \sa ldb_ldif_read_string for an equivalent function that will read
1560 from a string (char array).
1562 \sa ldb_ldif_write_file for the writer equivalent to this function.
1565 struct ldb_ldif *ldb_ldif_read_file(struct ldb_context *ldb, FILE *f);
1568 Read an LDIF message from a string
1570 This function reads the next LDIF message from the contents of a char
1571 array. If you want to get all of the LDIF messages, you will need
1572 to repeatedly call this function, until it returns NULL.
1574 \param ldb the ldb context (from ldb_init())
1575 \param s pointer to the char array to read from
1577 \sa ldb_ldif_read_file for an equivalent function that will read
1580 \sa ldb_ldif_write for a more general (arbitrary read function)
1581 version of this function.
1583 struct ldb_ldif *ldb_ldif_read_string(struct ldb_context *ldb, const char **s);
1586 Write an LDIF message to a file
1588 \param ldb the ldb context (from ldb_init())
1589 \param f the file stream to write to (typically from fdopen())
1590 \param msg the message to write out
1592 \return the total number of bytes written, or a negative error code
1594 \sa ldb_ldif_read_file for the reader equivalent to this function.
1596 int ldb_ldif_write_file(struct ldb_context *ldb, FILE *f, const struct ldb_ldif *msg);
1599 Write an LDIF message to a string
1601 \param ldb the ldb context (from ldb_init())
1602 \param mem_ctx the talloc context on which to attach the string)
1603 \param msg the message to write out
1605 \return the string containing the LDIF, or NULL on error
1607 \sa ldb_ldif_read_string for the reader equivalent to this function.
1609 char * ldb_ldif_write_string(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1610 const struct ldb_ldif *msg);
1614 Produce a string form of an ldb message
1616 convenient function to turn a ldb_message into a string. Useful for
1619 char *ldb_ldif_message_string(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1620 enum ldb_changetype changetype,
1621 const struct ldb_message *msg);
1625 Base64 encode a buffer
1627 \param mem_ctx the memory context that the result is allocated
1629 \param buf pointer to the array that is to be encoded
1630 \param len the number of elements in the array to be encoded
1632 \return pointer to an array containing the encoded data
1634 \note The caller is responsible for freeing the result
1636 char *ldb_base64_encode(TALLOC_CTX *mem_ctx, const char *buf, int len);
1639 Base64 decode a buffer
1641 This function decodes a base64 encoded string in place.
1643 \param s the string to decode.
1645 \return the length of the returned (decoded) string.
1647 \note the string is null terminated, but the null terminator is not
1648 included in the length.
1650 int ldb_base64_decode(char *s);
1652 /* The following definitions come from lib/ldb/common/ldb_dn.c */
1655 Get the linear form of a DN (without any extended components)
1657 \param dn The DN to linearize
1660 const char *ldb_dn_get_linearized(struct ldb_dn *dn);
1663 Allocate a copy of the linear form of a DN (without any extended components) onto the supplied memory context
1665 \param dn The DN to linearize
1666 \param mem_ctx TALLOC context to return result on
1669 char *ldb_dn_alloc_linearized(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
1672 Get the linear form of a DN (with any extended components)
1674 \param mem_ctx TALLOC context to return result on
1675 \param dn The DN to linearize
1676 \param mode Style of extended DN to return (0 is HEX representation of binary form, 1 is a string form)
1678 char *ldb_dn_get_extended_linearized(TALLOC_CTX *mem_ctx, struct ldb_dn *dn, int mode);
1679 const struct ldb_val *ldb_dn_get_extended_component(struct ldb_dn *dn, const char *name);
1680 int ldb_dn_set_extended_component(struct ldb_dn *dn, const char *name, const struct ldb_val *val);
1681 void ldb_dn_extended_filter(struct ldb_dn *dn, const char * const *accept);
1682 void ldb_dn_remove_extended_components(struct ldb_dn *dn);
1683 bool ldb_dn_has_extended(struct ldb_dn *dn);
1685 int ldb_dn_extended_add_syntax(struct ldb_context *ldb,
1687 const struct ldb_dn_extended_syntax *syntax);
1690 Allocate a new DN from a string
1692 \param mem_ctx TALLOC context to return resulting ldb_dn structure on
1693 \param dn The new DN
1695 \note The DN will not be parsed at this time. Use ldb_dn_validate to tell if the DN is syntacticly correct
1698 struct ldb_dn *ldb_dn_new(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, const char *dn);
1700 Allocate a new DN from a printf style format string and arguments
1702 \param mem_ctx TALLOC context to return resulting ldb_dn structure on
1703 \param new_fms The new DN as a format string (plus arguments)
1705 \note The DN will not be parsed at this time. Use ldb_dn_validate to tell if the DN is syntacticly correct
1708 struct ldb_dn *ldb_dn_new_fmt(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, const char *new_fmt, ...) PRINTF_ATTRIBUTE(3,4);
1710 Allocate a new DN from a struct ldb_val (useful to avoid buffer overrun)
1712 \param mem_ctx TALLOC context to return resulting ldb_dn structure on
1713 \param dn The new DN
1715 \note The DN will not be parsed at this time. Use ldb_dn_validate to tell if the DN is syntacticly correct
1718 struct ldb_dn *ldb_dn_from_ldb_val(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, const struct ldb_val *strdn);
1721 Determine if this DN is syntactically valid
1723 \param dn The DN to validate
1726 bool ldb_dn_validate(struct ldb_dn *dn);
1728 char *ldb_dn_escape_value(TALLOC_CTX *mem_ctx, struct ldb_val value);
1729 const char *ldb_dn_get_casefold(struct ldb_dn *dn);
1730 char *ldb_dn_alloc_casefold(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
1732 int ldb_dn_compare_base(struct ldb_dn *base, struct ldb_dn *dn);
1733 int ldb_dn_compare(struct ldb_dn *edn0, struct ldb_dn *edn1);
1735 bool ldb_dn_add_base(struct ldb_dn *dn, struct ldb_dn *base);
1736 bool ldb_dn_add_base_fmt(struct ldb_dn *dn, const char *base_fmt, ...) PRINTF_ATTRIBUTE(2,3);
1737 bool ldb_dn_add_child(struct ldb_dn *dn, struct ldb_dn *child);
1738 bool ldb_dn_add_child_fmt(struct ldb_dn *dn, const char *child_fmt, ...) PRINTF_ATTRIBUTE(2,3);
1739 bool ldb_dn_remove_base_components(struct ldb_dn *dn, unsigned int num);
1740 bool ldb_dn_remove_child_components(struct ldb_dn *dn, unsigned int num);
1742 struct ldb_dn *ldb_dn_copy(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
1743 struct ldb_dn *ldb_dn_get_parent(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
1744 char *ldb_dn_canonical_string(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
1745 char *ldb_dn_canonical_ex_string(TALLOC_CTX *mem_ctx, struct ldb_dn *dn);
1746 int ldb_dn_get_comp_num(struct ldb_dn *dn);
1747 const char *ldb_dn_get_component_name(struct ldb_dn *dn, unsigned int num);
1748 const struct ldb_val *ldb_dn_get_component_val(struct ldb_dn *dn, unsigned int num);
1749 const char *ldb_dn_get_rdn_name(struct ldb_dn *dn);
1750 const struct ldb_val *ldb_dn_get_rdn_val(struct ldb_dn *dn);
1751 int ldb_dn_set_component(struct ldb_dn *dn, int num, const char *name, const struct ldb_val val);
1753 bool ldb_dn_is_valid(struct ldb_dn *dn);
1754 bool ldb_dn_is_special(struct ldb_dn *dn);
1755 bool ldb_dn_check_special(struct ldb_dn *dn, const char *check);
1756 bool ldb_dn_is_null(struct ldb_dn *dn);
1757 int ldb_dn_update_components(struct ldb_dn *dn, const struct ldb_dn *ref_dn);
1761 Compare two attributes
1763 This function compares to attribute names. Note that this is a
1764 case-insensitive comparison.
1766 \param a the first attribute name to compare
1767 \param b the second attribute name to compare
1769 \return 0 if the attribute names are the same, or only differ in
1770 case; non-zero if there are any differences
1772 attribute names are restricted by rfc2251 so using
1773 strcasecmp and toupper here is ok.
1776 #define ldb_attr_cmp(a, b) strcasecmp(a, b)
1777 char *ldb_attr_casefold(TALLOC_CTX *mem_ctx, const char *s);
1778 int ldb_attr_dn(const char *attr);
1781 Create an empty message
1783 \param mem_ctx the memory context to create in. You can pass NULL
1784 to get the top level context, however the ldb context (from
1785 ldb_init()) may be a better choice
1787 struct ldb_message *ldb_msg_new(TALLOC_CTX *mem_ctx);
1790 Find an element within an message
1792 struct ldb_message_element *ldb_msg_find_element(const struct ldb_message *msg,
1793 const char *attr_name);
1796 Compare two ldb_val values
1798 \param v1 first ldb_val structure to be tested
1799 \param v2 second ldb_val structure to be tested
1801 \return 1 for a match, 0 if there is any difference
1803 int ldb_val_equal_exact(const struct ldb_val *v1, const struct ldb_val *v2);
1806 find a value within an ldb_message_element
1808 \param el the element to search
1809 \param val the value to search for
1811 \note This search is case sensitive
1813 struct ldb_val *ldb_msg_find_val(const struct ldb_message_element *el,
1814 struct ldb_val *val);
1817 add a new empty element to a ldb_message
1819 int ldb_msg_add_empty(struct ldb_message *msg,
1820 const char *attr_name,
1822 struct ldb_message_element **return_el);
1825 add a element to a ldb_message
1827 int ldb_msg_add(struct ldb_message *msg,
1828 const struct ldb_message_element *el,
1830 int ldb_msg_add_value(struct ldb_message *msg,
1831 const char *attr_name,
1832 const struct ldb_val *val,
1833 struct ldb_message_element **return_el);
1834 int ldb_msg_add_steal_value(struct ldb_message *msg,
1835 const char *attr_name,
1836 struct ldb_val *val);
1837 int ldb_msg_add_steal_string(struct ldb_message *msg,
1838 const char *attr_name, char *str);
1839 int ldb_msg_add_string(struct ldb_message *msg,
1840 const char *attr_name, const char *str);
1841 int ldb_msg_add_linearized_dn(struct ldb_message *msg, const char *attr_name,
1843 int ldb_msg_add_fmt(struct ldb_message *msg,
1844 const char *attr_name, const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
1847 compare two message elements - return 0 on match
1849 int ldb_msg_element_compare(struct ldb_message_element *el1,
1850 struct ldb_message_element *el2);
1851 int ldb_msg_element_compare_name(struct ldb_message_element *el1,
1852 struct ldb_message_element *el2);
1855 Find elements in a message.
1857 This function finds elements and converts to a specific type, with
1858 a give default value if not found. Assumes that elements are
1861 const struct ldb_val *ldb_msg_find_ldb_val(const struct ldb_message *msg, const char *attr_name);
1862 int ldb_msg_find_attr_as_int(const struct ldb_message *msg,
1863 const char *attr_name,
1865 unsigned int ldb_msg_find_attr_as_uint(const struct ldb_message *msg,
1866 const char *attr_name,
1867 unsigned int default_value);
1868 int64_t ldb_msg_find_attr_as_int64(const struct ldb_message *msg,
1869 const char *attr_name,
1870 int64_t default_value);
1871 uint64_t ldb_msg_find_attr_as_uint64(const struct ldb_message *msg,
1872 const char *attr_name,
1873 uint64_t default_value);
1874 double ldb_msg_find_attr_as_double(const struct ldb_message *msg,
1875 const char *attr_name,
1876 double default_value);
1877 int ldb_msg_find_attr_as_bool(const struct ldb_message *msg,
1878 const char *attr_name,
1880 const char *ldb_msg_find_attr_as_string(const struct ldb_message *msg,
1881 const char *attr_name,
1882 const char *default_value);
1884 struct ldb_dn *ldb_msg_find_attr_as_dn(struct ldb_context *ldb,
1885 TALLOC_CTX *mem_ctx,
1886 const struct ldb_message *msg,
1887 const char *attr_name);
1889 void ldb_msg_sort_elements(struct ldb_message *msg);
1891 struct ldb_message *ldb_msg_copy_shallow(TALLOC_CTX *mem_ctx,
1892 const struct ldb_message *msg);
1893 struct ldb_message *ldb_msg_copy(TALLOC_CTX *mem_ctx,
1894 const struct ldb_message *msg);
1897 * ldb_msg_canonicalize() is now depreciated
1898 * Please use ldb_msg_normalize() instead
1900 * NOTE: Returned ldb_message object is allocated
1901 * into *ldb's context. Callers are recommended
1902 * to steal the returned object into a TALLOC_CTX
1903 * with short lifetime.
1905 struct ldb_message *ldb_msg_canonicalize(struct ldb_context *ldb,
1906 const struct ldb_message *msg) _DEPRECATED_;
1908 int ldb_msg_normalize(struct ldb_context *ldb,
1909 TALLOC_CTX *mem_ctx,
1910 const struct ldb_message *msg,
1911 struct ldb_message **_msg_out);
1915 * ldb_msg_diff() is now depreciated
1916 * Please use ldb_msg_difference() instead
1918 * NOTE: Returned ldb_message object is allocated
1919 * into *ldb's context. Callers are recommended
1920 * to steal the returned object into a TALLOC_CTX
1921 * with short lifetime.
1923 struct ldb_message *ldb_msg_diff(struct ldb_context *ldb,
1924 struct ldb_message *msg1,
1925 struct ldb_message *msg2) _DEPRECATED_;
1928 * return a ldb_message representing the differences between msg1 and msg2.
1929 * If you then use this in a ldb_modify() call,
1930 * it can be used to save edits to a message
1932 * Result message is constructed as follows:
1933 * - LDB_FLAG_MOD_ADD - elements found only in msg2
1934 * - LDB_FLAG_MOD_REPLACE - elements in msg2 that have
1935 * different value in msg1
1936 * Value for msg2 element is used
1937 * - LDB_FLAG_MOD_DELETE - elements found only in msg2
1939 * @return LDB_SUCCESS or LDB_ERR_OPERATIONS_ERROR
1941 int ldb_msg_difference(struct ldb_context *ldb,
1942 TALLOC_CTX *mem_ctx,
1943 struct ldb_message *msg1,
1944 struct ldb_message *msg2,
1945 struct ldb_message **_msg_out);
1948 Tries to find a certain string attribute in a message
1950 \param msg the message to check
1951 \param name attribute name
1952 \param value attribute value
1954 \return 1 on match and 0 otherwise.
1956 int ldb_msg_check_string_attribute(const struct ldb_message *msg,
1961 Integrity check an ldb_message
1963 This function performs basic sanity / integrity checks on an
1966 \param ldb context in which to perform the checks
1967 \param msg the message to check
1969 \return LDB_SUCCESS if the message is OK, or a non-zero error code
1970 (one of LDB_ERR_INVALID_DN_SYNTAX, LDB_ERR_ENTRY_ALREADY_EXISTS or
1971 LDB_ERR_INVALID_ATTRIBUTE_SYNTAX) if there is a problem with a
1974 int ldb_msg_sanity_check(struct ldb_context *ldb,
1975 const struct ldb_message *msg);
1978 Duplicate an ldb_val structure
1980 This function copies an ldb value structure.
1982 \param mem_ctx the memory context that the duplicated value will be
1984 \param v the ldb_val to be duplicated.
1986 \return the duplicated ldb_val structure.
1988 struct ldb_val ldb_val_dup(TALLOC_CTX *mem_ctx, const struct ldb_val *v);
1991 this allows the user to set a debug function for error reporting
1993 int ldb_set_debug(struct ldb_context *ldb,
1994 void (*debug)(void *context, enum ldb_debug_level level,
1995 const char *fmt, va_list ap) PRINTF_ATTRIBUTE(3,0),
1999 this allows the user to set custom utf8 function for error reporting
2001 void ldb_set_utf8_fns(struct ldb_context *ldb,
2003 char *(*casefold)(void *, void *, const char *, size_t n));
2006 this sets up debug to print messages on stderr
2008 int ldb_set_debug_stderr(struct ldb_context *ldb);
2010 /* control backend specific opaque values */
2011 int ldb_set_opaque(struct ldb_context *ldb, const char *name, void *value);
2012 void *ldb_get_opaque(struct ldb_context *ldb, const char *name);
2014 const char **ldb_attr_list_copy(TALLOC_CTX *mem_ctx, const char * const *attrs);
2015 const char **ldb_attr_list_copy_add(TALLOC_CTX *mem_ctx, const char * const *attrs, const char *new_attr);
2016 int ldb_attr_in_list(const char * const *attrs, const char *attr);
2018 int ldb_msg_rename_attr(struct ldb_message *msg, const char *attr, const char *replace);
2019 int ldb_msg_copy_attr(struct ldb_message *msg, const char *attr, const char *replace);
2020 void ldb_msg_remove_attr(struct ldb_message *msg, const char *attr);
2021 void ldb_msg_remove_element(struct ldb_message *msg, struct ldb_message_element *el);
2024 void ldb_parse_tree_attr_replace(struct ldb_parse_tree *tree,
2026 const char *replace);
2029 shallow copy a tree - copying only the elements array so that the caller
2030 can safely add new elements without changing the message
2032 struct ldb_parse_tree *ldb_parse_tree_copy_shallow(TALLOC_CTX *mem_ctx,
2033 const struct ldb_parse_tree *ot);
2036 Convert a time structure to a string
2038 This function converts a time_t structure to an LDAP formatted
2039 GeneralizedTime string.
2041 \param mem_ctx the memory context to allocate the return string in
2042 \param t the time structure to convert
2044 \return the formatted string, or NULL if the time structure could
2047 char *ldb_timestring(TALLOC_CTX *mem_ctx, time_t t);
2050 Convert a string to a time structure
2052 This function converts an LDAP formatted GeneralizedTime string
2053 to a time_t structure.
2055 \param s the string to convert
2057 \return the time structure, or 0 if the string cannot be converted
2059 time_t ldb_string_to_time(const char *s);
2062 convert a LDAP GeneralizedTime string in ldb_val format to a
2065 int ldb_val_to_time(const struct ldb_val *v, time_t *t);
2068 Convert a time structure to a string
2070 This function converts a time_t structure to an LDAP formatted
2073 \param mem_ctx the memory context to allocate the return string in
2074 \param t the time structure to convert
2076 \return the formatted string, or NULL if the time structure could
2079 char *ldb_timestring_utc(TALLOC_CTX *mem_ctx, time_t t);
2082 Convert a string to a time structure
2084 This function converts an LDAP formatted UTCTime string
2085 to a time_t structure.
2087 \param s the string to convert
2089 \return the time structure, or 0 if the string cannot be converted
2091 time_t ldb_string_utc_to_time(const char *s);
2094 void ldb_qsort (void *const pbase, size_t total_elems, size_t size, void *opaque, ldb_qsort_cmp_fn_t cmp);
2096 #ifndef discard_const
2097 #define discard_const(ptr) ((void *)((uintptr_t)(ptr)))
2101 a wrapper around ldb_qsort() that ensures the comparison function is
2102 type safe. This will produce a compilation warning if the types
2105 #define LDB_TYPESAFE_QSORT(base, numel, opaque, comparison) \
2108 ldb_qsort(base, numel, sizeof((base)[0]), discard_const(opaque), (ldb_qsort_cmp_fn_t)comparison); \
2109 comparison(&((base)[0]), &((base)[1]), opaque); \
2113 /* allow ldb to also call TYPESAFE_QSORT() */
2114 #ifndef TYPESAFE_QSORT
2115 #define TYPESAFE_QSORT(base, numel, comparison) \
2118 qsort(base, numel, sizeof((base)[0]), (int (*)(const void *, const void *))comparison); \
2119 comparison(&((base)[0]), &((base)[1])); \
2127 Convert an array of string represention of a control into an array of ldb_control structures
2129 \param ldb LDB context
2130 \param mem_ctx TALLOC context to return result on, and to allocate error_string on
2131 \param control_strings Array of string-formatted controls
2133 \return array of ldb_control elements
2135 struct ldb_control **ldb_parse_control_strings(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char **control_strings);
2138 return the ldb flags
2140 unsigned int ldb_get_flags(struct ldb_context *ldb);
2142 /* set the ldb flags */
2143 void ldb_set_flags(struct ldb_context *ldb, unsigned flags);
2146 struct ldb_dn *ldb_dn_binary_from_ldb_val(TALLOC_CTX *mem_ctx,
2147 struct ldb_context *ldb,
2148 const struct ldb_val *strdn);
2150 int ldb_dn_get_binary(struct ldb_dn *dn, struct ldb_val *val);
2151 int ldb_dn_set_binary(struct ldb_dn *dn, struct ldb_val *val);
2153 /* debugging functions for ldb requests */
2154 void ldb_req_set_location(struct ldb_request *req, const char *location);
2155 const char *ldb_req_location(struct ldb_request *req);
2157 /* set the location marker on a request handle - used for debugging */
2158 #define LDB_REQ_SET_LOCATION(req) ldb_req_set_location(req, __location__)