1 /* unique.c - attribute uniqueness module */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2004-2008 The OpenLDAP Foundation.
6 * Portions Copyright 2004,2006-2007 Symas Corporation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
13 * A copy of this license is available in the file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
18 * This work was initially developed by Symas Corporation for
19 * inclusion in OpenLDAP Software, with subsequent enhancements by
20 * Matthew Backes at Symas Corporation. This work was sponsored by
26 #ifdef SLAPD_OVER_UNIQUE
30 #include <ac/string.h>
31 #include <ac/socket.h>
36 #define UNIQUE_DEFAULT_URI ("ldap:///??sub")
38 static slap_overinst unique;
40 typedef struct unique_attrs_s {
41 struct unique_attrs_s *next; /* list of attrs */
42 AttributeDescription *attr;
45 typedef struct unique_domain_uri_s {
46 struct unique_domain_uri_s *next;
50 struct unique_attrs_s *attrs;
54 typedef struct unique_domain_s {
55 struct unique_domain_s *next;
56 struct berval domain_spec;
57 struct unique_domain_uri_s *uri;
58 char ignore; /* polarity of attributes */
59 char strict; /* null considered unique too */
62 typedef struct unique_data_s {
63 struct unique_domain_s *domains;
64 struct unique_domain_s *legacy;
65 char legacy_strict_set;
68 typedef struct unique_counter_s {
81 static ConfigDriver unique_cf_base;
82 static ConfigDriver unique_cf_attrs;
83 static ConfigDriver unique_cf_strict;
84 static ConfigDriver unique_cf_uri;
86 static ConfigTable uniquecfg[] = {
87 { "unique_base", "basedn", 2, 2, 0, ARG_DN|ARG_MAGIC|UNIQUE_BASE,
88 unique_cf_base, "( OLcfgOvAt:10.1 NAME 'olcUniqueBase' "
89 "DESC 'Subtree for uniqueness searches' "
90 "EQUALITY distinguishedNameMatch "
91 "SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
92 { "unique_ignore", "attribute...", 2, 0, 0, ARG_MAGIC|UNIQUE_IGNORE,
93 unique_cf_attrs, "( OLcfgOvAt:10.2 NAME 'olcUniqueIgnore' "
94 "DESC 'Attributes for which uniqueness shall not be enforced' "
95 "EQUALITY caseIgnoreMatch "
96 "ORDERING caseIgnoreOrderingMatch "
97 "SUBSTR caseIgnoreSubstringsMatch "
98 "SYNTAX OMsDirectoryString )", NULL, NULL },
99 { "unique_attributes", "attribute...", 2, 0, 0, ARG_MAGIC|UNIQUE_ATTR,
100 unique_cf_attrs, "( OLcfgOvAt:10.3 NAME 'olcUniqueAttribute' "
101 "DESC 'Attributes for which uniqueness shall be enforced' "
102 "EQUALITY caseIgnoreMatch "
103 "ORDERING caseIgnoreOrderingMatch "
104 "SUBSTR caseIgnoreSubstringsMatch "
105 "SYNTAX OMsDirectoryString )", NULL, NULL },
106 { "unique_strict", "on|off", 1, 2, 0, ARG_MAGIC|UNIQUE_STRICT,
107 unique_cf_strict, "( OLcfgOvAt:10.4 NAME 'olcUniqueStrict' "
108 "DESC 'Enforce uniqueness of null values' "
109 "EQUALITY booleanMatch "
110 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
111 { "unique_uri", "ldapuri", 2, 3, 0, ARG_MAGIC|UNIQUE_URI,
112 unique_cf_uri, "( OLcfgOvAt:10.5 NAME 'olcUniqueURI' "
113 "DESC 'List of keywords and LDAP URIs for a uniqueness domain' "
114 "EQUALITY caseExactMatch "
115 "ORDERING caseExactOrderingMatch "
116 "SUBSTR caseExactSubstringsMatch "
117 "SYNTAX OMsDirectoryString )", NULL, NULL },
118 { NULL, NULL, 0, 0, 0, ARG_IGNORED }
121 static ConfigOCs uniqueocs[] = {
122 { "( OLcfgOvOc:10.1 "
123 "NAME 'olcUniqueConfig' "
124 "DESC 'Attribute value uniqueness configuration' "
125 "SUP olcOverlayConfig "
126 "MAY ( olcUniqueBase $ olcUniqueIgnore $ "
127 "olcUniqueAttribute $ olcUniqueStrict $ "
129 Cft_Overlay, uniquecfg },
134 unique_free_domain_uri ( unique_domain_uri *uri )
136 unique_domain_uri *next_uri = NULL;
137 unique_attrs *attr, *next_attr = NULL;
140 next_uri = uri->next;
141 ch_free ( uri->dn.bv_val );
142 ch_free ( uri->ndn.bv_val );
143 ch_free ( uri->filter.bv_val );
146 next_attr = attr->next;
155 /* free an entire stack of domains */
157 unique_free_domain ( unique_domain *domain )
159 unique_domain *next_domain = NULL;
162 next_domain = domain->next;
163 ch_free ( domain->domain_spec.bv_val );
164 unique_free_domain_uri ( domain->uri );
166 domain = next_domain;
171 unique_new_domain_uri ( unique_domain_uri **urip,
172 const LDAPURLDesc *url_desc,
175 int i, rc = LDAP_SUCCESS;
176 unique_domain_uri *uri;
177 struct berval bv = {0, NULL};
178 BackendDB *be = (BackendDB *)c->be;
180 AttributeDescription * ad;
183 uri = ch_calloc ( 1, sizeof ( unique_domain_uri ) );
185 if ( url_desc->lud_dn && url_desc->lud_dn[0] ) {
186 ber_str2bv( url_desc->lud_dn, 0, 0, &bv );
187 rc = dnPrettyNormal( NULL,
192 if ( rc != LDAP_SUCCESS ) {
193 snprintf( c->cr_msg, sizeof( c->cr_msg ),
194 "<%s> invalid DN %d (%s)",
195 url_desc->lud_dn, rc, ldap_err2string( rc ));
200 if ( !dnIsSuffix ( &uri->ndn, &be->be_nsuffix[0] ) ) {
201 snprintf( c->cr_msg, sizeof( c->cr_msg ),
202 "dn <%s> is not a suffix of backend base dn <%s>",
204 be->be_nsuffix[0].bv_val );
210 attr_str = url_desc->lud_attrs;
212 for ( i=0; attr_str[i]; ++i ) {
215 if ( slap_str2ad ( attr_str[i], &ad, &text )
217 attr = ch_calloc ( 1,
218 sizeof ( unique_attrs ) );
220 attr->next = uri->attrs;
223 snprintf( c->cr_msg, sizeof( c->cr_msg ),
224 "unique: attribute: %s: %s",
232 uri->scope = url_desc->lud_scope;
234 snprintf( c->cr_msg, sizeof( c->cr_msg ),
235 "unique: uri with base scope will always be unique");
240 if (url_desc->lud_filter) {
242 ber_str2bv( url_desc->lud_filter, 0, 1, &uri->filter );
243 f = str2filter( uri->filter.bv_val );
245 snprintf( c->cr_msg, sizeof( c->cr_msg ),
246 "unique: bad filter");
256 Debug ( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
257 "%s: %s\n", c->log, c->cr_msg, 0 );
258 unique_free_domain_uri ( uri );
265 unique_new_domain_uri_basic ( unique_domain_uri **urip,
268 LDAPURLDesc *url_desc = NULL;
271 rc = ldap_url_parse ( UNIQUE_DEFAULT_URI, &url_desc );
273 rc = unique_new_domain_uri ( urip, url_desc, c );
274 ldap_free_urldesc ( url_desc );
278 /* if *domain is non-null, it's pushed down the stack.
279 * note that the entire stack is freed if there is an error,
280 * so build added domains in a separate stack before adding them
282 * domain_specs look like
284 * [strict ][ignore ]uri[[ uri]...]
285 * e.g. "ldap:///ou=foo,o=bar?uid?sub ldap:///ou=baz,o=bar?uid?sub"
286 * "strict ldap:///ou=accounts,o=bar?uid,uidNumber?one"
289 * so finally strictness is per-domain
290 * but so is ignore-state, and that would be better as a per-url thing
293 unique_new_domain ( unique_domain **domainp,
298 int rc = LDAP_SUCCESS;
300 unique_domain * domain;
301 LDAPURLDesc *url_desc, *url_descs = NULL;
303 Debug(LDAP_DEBUG_TRACE, "==> unique_new_domain <%s>\n",
306 domain = ch_calloc ( 1, sizeof (unique_domain) );
307 ber_str2bv( domain_spec, 0, 1, &domain->domain_spec );
309 uri_start = domain_spec;
310 if ( strncasecmp ( uri_start, "ignore ",
311 STRLENOF( "ignore " ) ) == 0 ) {
313 uri_start += STRLENOF( "ignore " );
315 if ( strncasecmp ( uri_start, "strict ",
316 STRLENOF( "strict " ) ) == 0 ) {
318 uri_start += STRLENOF( "strict " );
320 && strncasecmp ( uri_start, "ignore ",
321 STRLENOF( "ignore " ) ) == 0 ) {
323 uri_start += STRLENOF( "ignore " );
326 rc = ldap_url_parselist_ext ( &url_descs, uri_start, " ", 0 );
328 snprintf( c->cr_msg, sizeof( c->cr_msg ),
329 "<%s> invalid ldap urilist",
335 for ( url_desc = url_descs;
337 url_desc = url_descs->lud_next ) {
338 rc = unique_new_domain_uri ( &domain->uri,
349 if ( url_descs ) ldap_free_urldesc ( url_descs );
350 domain->next = *domainp;
353 Debug ( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
354 "%s: %s\n", c->log, c->cr_msg, 0 );
355 unique_free_domain ( domain );
362 unique_cf_base( ConfigArgs *c )
364 BackendDB *be = (BackendDB *)c->be;
365 slap_overinst *on = (slap_overinst *)c->bi;
366 unique_data *private = (unique_data *) on->on_bi.bi_private;
367 unique_domain *domains = private->domains;
368 unique_domain *legacy = private->legacy;
369 int rc = ARG_BAD_CONF;
372 case SLAP_CONFIG_EMIT:
374 if ( legacy && legacy->uri && legacy->uri->dn.bv_val ) {
375 rc = value_add_one ( &c->rvalue_vals,
378 rc = value_add_one ( &c->rvalue_nvals,
383 case LDAP_MOD_DELETE:
384 assert ( legacy && legacy->uri && legacy->uri->dn.bv_val );
386 ch_free ( legacy->uri->dn.bv_val );
387 ch_free ( legacy->uri->ndn.bv_val );
388 BER_BVZERO( &legacy->uri->dn );
389 BER_BVZERO( &legacy->uri->ndn );
390 if ( !legacy->uri->attrs ) {
391 unique_free_domain_uri ( legacy->uri );
394 if ( !legacy->uri && !private->legacy_strict_set ) {
395 unique_free_domain ( legacy );
396 private->legacy = legacy = NULL;
400 case SLAP_CONFIG_ADD:
402 snprintf( c->cr_msg, sizeof( c->cr_msg ),
403 "cannot set legacy attrs when URIs are present" );
404 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
405 c->cr_msg, NULL, NULL );
409 if ( !dnIsSuffix ( &c->value_ndn,
410 &be->be_nsuffix[0] ) ) {
411 snprintf( c->cr_msg, sizeof( c->cr_msg ),
412 "dn is not a suffix of backend base" );
413 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
414 c->cr_msg, NULL, NULL );
419 unique_new_domain ( &private->legacy,
422 legacy = private->legacy;
425 unique_new_domain_uri_basic ( &legacy->uri, c );
426 ch_free ( legacy->uri->dn.bv_val );
427 ch_free ( legacy->uri->ndn.bv_val );
428 legacy->uri->dn = c->value_dn;
429 legacy->uri->ndn = c->value_ndn;
440 unique_cf_attrs( ConfigArgs *c )
442 slap_overinst *on = (slap_overinst *)c->bi;
443 unique_data *private = (unique_data *) on->on_bi.bi_private;
444 unique_domain *domains = private->domains;
445 unique_domain *legacy = private->legacy;
446 unique_attrs *new_attrs = NULL;
447 unique_attrs *attr, *next_attr, *reverse_attrs;
448 unique_attrs **attrp;
449 int rc = ARG_BAD_CONF;
453 case SLAP_CONFIG_EMIT:
455 && (c->type == UNIQUE_IGNORE) == legacy->ignore
457 for ( attr = legacy->uri->attrs;
460 value_add_one( &c->rvalue_vals,
461 &attr->attr->ad_cname );
464 case LDAP_MOD_DELETE:
466 && (c->type == UNIQUE_IGNORE) == legacy->ignore
468 && legacy->uri->attrs) {
469 if ( c->valx < 0 ) { /* delete all */
470 for ( attr = legacy->uri->attrs;
473 next_attr = attr->next;
476 legacy->uri->attrs = NULL;
477 } else { /* delete by index */
478 attrp = &legacy->uri->attrs;
479 for ( i=0; i < c->valx; ++i )
480 attrp = &(*attrp)->next;
485 if ( !legacy->uri->attrs
486 && !legacy->uri->dn.bv_val ) {
487 unique_free_domain_uri ( legacy->uri );
490 if ( !legacy->uri && !private->legacy_strict_set ) {
491 unique_free_domain ( legacy );
492 private->legacy = legacy = NULL;
498 case SLAP_CONFIG_ADD:
500 snprintf( c->cr_msg, sizeof( c->cr_msg ),
501 "cannot set legacy attrs when URIs are present" );
502 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
503 c->cr_msg, NULL, NULL );
509 && legacy->uri->attrs
510 && (c->type == UNIQUE_IGNORE) != legacy->ignore ) {
511 snprintf( c->cr_msg, sizeof( c->cr_msg ),
512 "cannot set both attrs and ignore-attrs" );
513 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
514 c->cr_msg, NULL, NULL );
519 unique_new_domain ( &private->legacy,
522 legacy = private->legacy;
525 unique_new_domain_uri_basic ( &legacy->uri, c );
527 for ( i=1; c->argv[i]; ++i ) {
528 AttributeDescription * ad = NULL;
530 if ( slap_str2ad ( c->argv[i], &ad, &text )
533 attr = ch_calloc ( 1,
534 sizeof ( unique_attrs ) );
536 attr->next = new_attrs;
539 snprintf( c->cr_msg, sizeof( c->cr_msg ),
540 "unique: attribute: %s: %s",
542 for ( attr = new_attrs;
545 next_attr = attr->next;
554 /* (nconc legacy->uri->attrs (nreverse new_attrs)) */
555 reverse_attrs = NULL;
556 for ( attr = new_attrs;
559 next_attr = attr->next;
560 attr->next = reverse_attrs;
561 reverse_attrs = attr;
563 for ( attrp = &legacy->uri->attrs;
565 attrp = &(*attrp)->next ) ;
566 *attrp = reverse_attrs;
568 legacy->ignore = ( c->type == UNIQUE_IGNORE );
575 Debug ( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
576 "%s: %s\n", c->log, c->cr_msg, 0 );
582 unique_cf_strict( ConfigArgs *c )
584 slap_overinst *on = (slap_overinst *)c->bi;
585 unique_data *private = (unique_data *) on->on_bi.bi_private;
586 unique_domain *domains = private->domains;
587 unique_domain *legacy = private->legacy;
588 int rc = ARG_BAD_CONF;
591 case SLAP_CONFIG_EMIT:
592 /* We process the boolean manually instead of using
593 * ARG_ON_OFF so that we can three-state it;
594 * olcUniqueStrict is either TRUE, FALSE, or missing,
595 * and missing is necessary to add olcUniqueURIs...
597 if ( private->legacy_strict_set ) {
599 bv.bv_val = legacy->strict ? "TRUE" : "FALSE";
600 bv.bv_len = legacy->strict ?
603 value_add_one ( &c->rvalue_vals, &bv );
607 case LDAP_MOD_DELETE:
610 if ( ! legacy->uri ) {
611 unique_free_domain ( legacy );
612 private->legacy = NULL;
615 private->legacy_strict_set = 0;
619 case SLAP_CONFIG_ADD:
621 snprintf( c->cr_msg, sizeof( c->cr_msg ),
622 "cannot set legacy attrs when URIs are present" );
623 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
624 c->cr_msg, NULL, NULL );
629 unique_new_domain ( &private->legacy,
632 legacy = private->legacy;
634 /* ... not using ARG_ON_OFF makes this necessary too */
635 assert ( c->argc == 2 );
636 legacy->strict = (strcasecmp ( c->argv[1], "TRUE" ) == 0);
637 private->legacy_strict_set = 1;
648 unique_cf_uri( ConfigArgs *c )
650 slap_overinst *on = (slap_overinst *)c->bi;
651 unique_data *private = (unique_data *) on->on_bi.bi_private;
652 unique_domain *domains = private->domains;
653 unique_domain *legacy = private->legacy;
654 unique_domain *domain = NULL, **domainp = NULL;
655 int rc = ARG_BAD_CONF;
659 case SLAP_CONFIG_EMIT:
660 for ( domain = domains;
662 domain = domain->next ) {
663 rc = value_add_one ( &c->rvalue_vals,
664 &domain->domain_spec );
668 case LDAP_MOD_DELETE:
669 if ( c->valx < 0 ) { /* delete them all! */
670 unique_free_domain ( domains );
671 private->domains = NULL;
672 } else { /* delete just one */
673 domainp = &private->domains;
674 for ( i=0; i < c->valx && *domainp; ++i )
675 domainp = &(*domainp)->next;
677 /* If *domainp is null, we walked off the end
678 * of the list. This happens when back-config
679 * and the overlay are out-of-sync, like when
680 * rejecting changes before ITS#4752 gets
683 * This should never happen, but will appear
684 * if you backport this version of
685 * slapo-unique without the config-undo fixes
687 * test024 Will hit this case in such a
690 assert (*domainp != NULL);
693 *domainp = domain->next;
695 unique_free_domain ( domain );
700 case SLAP_CONFIG_ADD: /* fallthrough */
703 snprintf( c->cr_msg, sizeof( c->cr_msg ),
704 "cannot set Uri when legacy attrs are present" );
705 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
706 c->cr_msg, NULL, NULL );
711 if ( c->line ) rc = unique_new_domain ( &domain, c->line, c );
712 else rc = unique_new_domain ( &domain, c->argv[1], c );
714 assert ( domain->next == NULL );
715 for ( domainp = &private->domains;
717 domainp = &(*domainp)->next ) ;
730 ** allocate new unique_data;
731 ** initialize, copy basedn;
732 ** store in on_bi.bi_private;
742 slap_overinst *on = (slap_overinst *)be->bd_info;
743 unique_data **privatep = (unique_data **) &on->on_bi.bi_private;
745 Debug(LDAP_DEBUG_TRACE, "==> unique_db_init\n", 0, 0, 0);
747 *privatep = ch_calloc ( 1, sizeof ( unique_data ) );
758 slap_overinst *on = (slap_overinst *)be->bd_info;
759 unique_data **privatep = (unique_data **) &on->on_bi.bi_private;
760 unique_data *private = *privatep;
762 Debug(LDAP_DEBUG_TRACE, "==> unique_db_destroy\n", 0, 0, 0);
765 unique_domain *domains = private->domains;
766 unique_domain *legacy = private->legacy;
768 unique_free_domain ( domains );
769 unique_free_domain ( legacy );
783 Debug(LDAP_DEBUG_TRACE, "unique_open: overlay initialized\n", 0, 0, 0);
790 ** Leave unique_data but wipe out config
800 slap_overinst *on = (slap_overinst *) be->bd_info;
801 unique_data **privatep = (unique_data **) &on->on_bi.bi_private;
802 unique_data *private = *privatep;
804 Debug(LDAP_DEBUG_TRACE, "==> unique_close\n", 0, 0, 0);
807 unique_domain *domains = private->domains;
808 unique_domain *legacy = private->legacy;
810 unique_free_domain ( domains );
811 unique_free_domain ( legacy );
812 memset ( private, 0, sizeof ( unique_data ) );
821 ** if this is a REP_SEARCH, count++;
825 static int count_attr_cb(
832 /* because you never know */
833 if(!op || !rs) return(0);
835 /* Only search entries are interesting */
836 if(rs->sr_type != REP_SEARCH) return(0);
838 uc = op->o_callback->sc_private;
840 /* Ignore the current entry */
841 if ( dn_match( uc->ndn, &rs->sr_entry->e_nname )) return(0);
843 Debug(LDAP_DEBUG_TRACE, "==> count_attr_cb <%s>\n",
844 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "UNKNOWN_DN", 0, 0);
851 /* count the length of one attribute ad
852 * (and all of its values b)
853 * in the proposed filter
857 unique_domain *domain,
858 unique_domain_uri *uri,
859 AttributeDescription *ad,
867 while ( !is_at_operational( ad->ad_type ) ) {
869 for ( attr = uri->attrs; attr; attr = attr->next ) {
870 if ( ad == attr->attr ) {
874 if ( ( domain->ignore && attr )
875 || (!domain->ignore && !attr )) {
879 if ( b && b[0].bv_val ) {
880 for (i = 0; b[i].bv_val; i++ ) {
881 /* note: make room for filter escaping... */
882 ks += ( 3 * b[i].bv_len ) + ad->ad_cname.bv_len + STRLENOF( "(=)" );
884 } else if ( domain->strict ) {
885 ks += ad->ad_cname.bv_len + STRLENOF( "(=*)" ); /* (attr=*) */
895 unique_domain *domain,
896 unique_domain_uri *uri,
897 AttributeDescription *ad,
907 while ( !is_at_operational( ad->ad_type ) ) {
909 for ( attr = uri->attrs; attr; attr = attr->next ) {
910 if ( ad == attr->attr ) {
914 if ( ( domain->ignore && attr )
915 || (!domain->ignore && !attr )) {
919 if ( b && b[0].bv_val ) {
920 for ( i = 0; b[i].bv_val; i++ ) {
924 ldap_bv2escaped_filter_value_x( &b[i], &bv, 1, ctx );
925 len = snprintf( kp, ks, "(%s=%s)", ad->ad_cname.bv_val, bv.bv_val );
926 assert( len >= 0 && len < ks );
928 if ( bv.bv_val != b[i].bv_val ) {
929 ber_memfree_x( bv.bv_val, ctx );
932 } else if ( domain->strict ) {
934 len = snprintf( kp, ks, "(%s=*)", ad->ad_cname.bv_val );
935 assert( len >= 0 && len < ks );
953 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
954 SlapReply nrs = { REP_RESULT };
955 slap_callback cb = { NULL, NULL, NULL, NULL }; /* XXX */
956 unique_counter uq = { NULL, 0 };
959 Debug(LDAP_DEBUG_TRACE, "==> unique_search %s\n", key, 0, 0);
961 nop->ors_filter = str2filter_x(nop, key->bv_val);
962 nop->ors_filterstr = *key;
964 cb.sc_response = (slap_response*)count_attr_cb;
966 nop->o_callback = &cb;
967 nop->o_tag = LDAP_REQ_SEARCH;
968 nop->ors_scope = scope;
969 nop->ors_deref = LDAP_DEREF_NEVER;
970 nop->ors_limit = NULL;
971 nop->ors_slimit = SLAP_NO_LIMIT;
972 nop->ors_tlimit = SLAP_NO_LIMIT;
973 nop->ors_attrs = slap_anlist_no_attrs;
974 nop->ors_attrsonly = 1;
976 uq.ndn = &op->o_req_ndn;
978 nop->o_req_ndn = *dn;
979 nop->o_ndn = op->o_bd->be_rootndn;
981 nop->o_bd = on->on_info->oi_origdb;
982 rc = nop->o_bd->be_search(nop, &nrs);
983 filter_free_x(nop, nop->ors_filter);
984 op->o_tmpfree( key->bv_val, op->o_tmpmemctx );
986 if(rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_OBJECT) {
987 op->o_bd->bd_info = (BackendInfo *) on->on_info;
988 send_ldap_error(op, rs, rc, "unique_search failed");
992 Debug(LDAP_DEBUG_TRACE, "=> unique_search found %d records\n", uq.count, 0, 0);
995 op->o_bd->bd_info = (BackendInfo *) on->on_info;
996 send_ldap_error(op, rs, LDAP_CONSTRAINT_VIOLATION,
997 "some attributes not unique");
1001 return(SLAP_CB_CONTINUE);
1010 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1011 unique_data *private = (unique_data *) on->on_bi.bi_private;
1012 unique_domain *domains = private->domains;
1013 unique_domain *legacy = private->legacy;
1014 unique_domain *domain;
1015 Operation nop = *op;
1018 struct berval bvkey;
1019 int rc = SLAP_CB_CONTINUE;
1021 Debug(LDAP_DEBUG_TRACE, "==> unique_add <%s>\n",
1022 op->o_req_dn.bv_val, 0, 0);
1024 for ( domain = legacy ? legacy : domains;
1026 domain = domain->next )
1028 unique_domain_uri *uri;
1031 for ( uri = domain->uri;
1037 if ( uri->ndn.bv_val
1038 && !dnIsSuffix( &op->o_req_ndn, &uri->ndn ))
1041 if(!(a = op->ora_e->e_attrs)) {
1042 op->o_bd->bd_info = (BackendInfo *) on->on_info;
1043 send_ldap_error(op, rs, LDAP_INVALID_SYNTAX,
1044 "unique_add() got null op.ora_e.e_attrs");
1049 for(; a; a = a->a_next) {
1050 ks += count_filter_len ( domain,
1057 /* skip this domain-uri if it isn't involved */
1058 if ( !ks ) continue;
1060 /* terminating NUL */
1063 if ( uri->filter.bv_val && uri->filter.bv_len )
1064 ks += uri->filter.bv_len + STRLENOF ("(&)");
1065 kp = key = op->o_tmpalloc(ks, op->o_tmpmemctx);
1067 if ( uri->filter.bv_val && uri->filter.bv_len ) {
1068 len = snprintf (kp, ks, "(&%s", uri->filter.bv_val);
1069 assert( len >= 0 && len < ks );
1072 len = snprintf(kp, ks - (kp - key), "(|");
1073 assert( len >= 0 && len < ks - (kp - key) );
1076 for(a = op->ora_e->e_attrs; a; a = a->a_next)
1077 kp = build_filter(domain,
1085 len = snprintf(kp, ks - (kp - key), ")");
1086 assert( len >= 0 && len < ks - (kp - key) );
1088 if ( uri->filter.bv_val && uri->filter.bv_len ) {
1089 len = snprintf(kp, ks - (kp - key), ")");
1090 assert( len >= 0 && len < ks - (kp - key) );
1094 bvkey.bv_len = kp - key;
1096 rc = unique_search ( op,
1100 &op->o_bd->be_nsuffix[0],
1105 if ( rc != SLAP_CB_CONTINUE ) break;
1107 if ( rc != SLAP_CB_CONTINUE ) break;
1120 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1121 unique_data *private = (unique_data *) on->on_bi.bi_private;
1122 unique_domain *domains = private->domains;
1123 unique_domain *legacy = private->legacy;
1124 unique_domain *domain;
1125 Operation nop = *op;
1128 struct berval bvkey;
1129 int rc = SLAP_CB_CONTINUE;
1131 Debug(LDAP_DEBUG_TRACE, "==> unique_modify <%s>\n",
1132 op->o_req_dn.bv_val, 0, 0);
1134 for ( domain = legacy ? legacy : domains;
1136 domain = domain->next )
1138 unique_domain_uri *uri;
1141 for ( uri = domain->uri;
1147 if ( uri->ndn.bv_val
1148 && !dnIsSuffix( &op->o_req_ndn, &uri->ndn ))
1151 if ( !(m = op->orm_modlist) ) {
1152 op->o_bd->bd_info = (BackendInfo *) on->on_info;
1153 send_ldap_error(op, rs, LDAP_INVALID_SYNTAX,
1154 "unique_modify() got null op.orm_modlist");
1159 for ( ; m; m = m->sml_next)
1160 if ( (m->sml_op & LDAP_MOD_OP)
1161 != LDAP_MOD_DELETE )
1162 ks += count_filter_len
1168 /* skip this domain-uri if it isn't involved */
1169 if ( !ks ) continue;
1171 /* terminating NUL */
1174 if ( uri->filter.bv_val && uri->filter.bv_len )
1175 ks += uri->filter.bv_len + STRLENOF ("(&)");
1176 kp = key = op->o_tmpalloc(ks, op->o_tmpmemctx);
1178 if ( uri->filter.bv_val && uri->filter.bv_len ) {
1179 len = snprintf(kp, ks, "(&%s", uri->filter.bv_val);
1180 assert( len >= 0 && len < ks );
1183 len = snprintf(kp, ks - (kp - key), "(|");
1184 assert( len >= 0 && len < ks - (kp - key) );
1187 for(m = op->orm_modlist; m; m = m->sml_next)
1188 if ( (m->sml_op & LDAP_MOD_OP)
1189 != LDAP_MOD_DELETE )
1190 kp = build_filter ( domain,
1198 len = snprintf(kp, ks - (kp - key), ")");
1199 assert( len >= 0 && len < ks - (kp - key) );
1201 if ( uri->filter.bv_val && uri->filter.bv_len ) {
1202 len = snprintf (kp, ks - (kp - key), ")");
1203 assert( len >= 0 && len < ks - (kp - key) );
1207 bvkey.bv_len = kp - key;
1209 rc = unique_search ( op,
1213 &op->o_bd->be_nsuffix[0],
1218 if ( rc != SLAP_CB_CONTINUE ) break;
1220 if ( rc != SLAP_CB_CONTINUE ) break;
1233 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1234 unique_data *private = (unique_data *) on->on_bi.bi_private;
1235 unique_domain *domains = private->domains;
1236 unique_domain *legacy = private->legacy;
1237 unique_domain *domain;
1238 Operation nop = *op;
1240 struct berval bvkey;
1242 struct berval bv[2];
1243 int rc = SLAP_CB_CONTINUE;
1245 Debug(LDAP_DEBUG_TRACE, "==> unique_modrdn <%s> <%s>\n",
1246 op->o_req_dn.bv_val, op->orr_newrdn.bv_val, 0);
1248 for ( domain = legacy ? legacy : domains;
1250 domain = domain->next )
1252 unique_domain_uri *uri;
1255 for ( uri = domain->uri;
1261 if ( uri->ndn.bv_val
1262 && !dnIsSuffix( &op->o_req_ndn, &uri->ndn )
1263 && (!op->orr_nnewSup
1264 || !dnIsSuffix( op->orr_nnewSup, &uri->ndn )))
1267 if ( ldap_bv2rdn_x ( &op->oq_modrdn.rs_newrdn,
1269 (char **)&rs->sr_text,
1270 LDAP_DN_FORMAT_LDAP,
1271 op->o_tmpmemctx ) ) {
1272 op->o_bd->bd_info = (BackendInfo *) on->on_info;
1273 send_ldap_error(op, rs, LDAP_INVALID_SYNTAX,
1274 "unknown type(s) used in RDN");
1279 rc = SLAP_CB_CONTINUE;
1280 for ( i=0; newrdn[i]; i++) {
1281 AttributeDescription *ad = NULL;
1282 if ( slap_bv2ad( &newrdn[i]->la_attr, &ad, &rs->sr_text )) {
1283 ldap_rdnfree_x( newrdn, op->o_tmpmemctx );
1284 rs->sr_err = LDAP_INVALID_SYNTAX;
1285 send_ldap_result( op, rs );
1289 newrdn[i]->la_private = ad;
1291 if ( rc != SLAP_CB_CONTINUE ) break;
1293 bv[1].bv_val = NULL;
1296 for ( i=0; newrdn[i]; i++ ) {
1297 bv[0] = newrdn[i]->la_value;
1298 ks += count_filter_len ( domain,
1300 newrdn[i]->la_private,
1304 /* skip this domain if it isn't involved */
1305 if ( !ks ) continue;
1307 /* terminating NUL */
1310 if ( uri->filter.bv_val && uri->filter.bv_len )
1311 ks += uri->filter.bv_len + STRLENOF ("(&)");
1312 kp = key = op->o_tmpalloc(ks, op->o_tmpmemctx);
1314 if ( uri->filter.bv_val && uri->filter.bv_len ) {
1315 len = snprintf(kp, ks, "(&%s", uri->filter.bv_val);
1316 assert( len >= 0 && len < ks );
1319 len = snprintf(kp, ks - (kp - key), "(|");
1320 assert( len >= 0 && len < ks - (kp - key) );
1323 for ( i=0; newrdn[i]; i++) {
1324 bv[0] = newrdn[i]->la_value;
1325 kp = build_filter ( domain,
1327 newrdn[i]->la_private,
1334 len = snprintf(kp, ks - (kp - key), ")");
1335 assert( len >= 0 && len < ks - (kp - key) );
1337 if ( uri->filter.bv_val && uri->filter.bv_len ) {
1338 len = snprintf (kp, ks - (kp - key), ")");
1339 assert( len >= 0 && len < ks - (kp - key) );
1343 bvkey.bv_len = kp - key;
1345 rc = unique_search ( op,
1349 &op->o_bd->be_nsuffix[0],
1354 if ( rc != SLAP_CB_CONTINUE ) break;
1356 if ( rc != SLAP_CB_CONTINUE ) break;
1363 ** init_module is last so the symbols resolve "for free" --
1364 ** it expects to be called automagically during dynamic module initialization
1372 /* statically declared just after the #includes at top */
1373 memset (&unique, 0, sizeof(unique));
1375 unique.on_bi.bi_type = "unique";
1376 unique.on_bi.bi_db_init = unique_db_init;
1377 unique.on_bi.bi_db_destroy = unique_db_destroy;
1378 unique.on_bi.bi_db_open = unique_open;
1379 unique.on_bi.bi_db_close = unique_close;
1380 unique.on_bi.bi_op_add = unique_add;
1381 unique.on_bi.bi_op_modify = unique_modify;
1382 unique.on_bi.bi_op_modrdn = unique_modrdn;
1384 unique.on_bi.bi_cf_ocs = uniqueocs;
1385 rc = config_register_schema( uniquecfg, uniqueocs );
1386 if ( rc ) return rc;
1388 return(overlay_register(&unique));
1391 #if SLAPD_OVER_UNIQUE == SLAPD_MOD_DYNAMIC && defined(PIC)
1392 int init_module(int argc, char *argv[]) {
1393 return unique_initialize();
1397 #endif /* SLAPD_OVER_UNIQUE */