unique.c revision 1.1.1.3 1 /* $NetBSD: unique.c,v 1.1.1.3 2010/03/08 02:14:20 lukem Exp $ */
2
3 /* unique.c - attribute uniqueness module */
4 /* OpenLDAP: pkg/ldap/servers/slapd/overlays/unique.c,v 1.20.2.17 2009/12/02 16:52:10 quanah Exp */
5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6 *
7 * Copyright 2004-2009 The OpenLDAP Foundation.
8 * Portions Copyright 2004,2006-2007 Symas Corporation.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted only as authorized by the OpenLDAP
13 * Public License.
14 *
15 * A copy of this license is available in the file LICENSE in the
16 * top-level directory of the distribution or, alternatively, at
17 * <http://www.OpenLDAP.org/license.html>.
18 */
19 /* ACKNOWLEDGEMENTS:
20 * This work was initially developed by Symas Corporation for
21 * inclusion in OpenLDAP Software, with subsequent enhancements by
22 * Matthew Backes at Symas Corporation. This work was sponsored by
23 * Hewlett-Packard.
24 */
25
26 #include "portable.h"
27
28 #ifdef SLAPD_OVER_UNIQUE
29
30 #include <stdio.h>
31
32 #include <ac/string.h>
33 #include <ac/socket.h>
34
35 #include "slap.h"
36 #include "config.h"
37
38 #define UNIQUE_DEFAULT_URI ("ldap:///??sub")
39
40 static slap_overinst unique;
41
42 typedef struct unique_attrs_s {
43 struct unique_attrs_s *next; /* list of attrs */
44 AttributeDescription *attr;
45 } unique_attrs;
46
47 typedef struct unique_domain_uri_s {
48 struct unique_domain_uri_s *next;
49 struct berval dn;
50 struct berval ndn;
51 struct berval filter;
52 Filter *f;
53 struct unique_attrs_s *attrs;
54 int scope;
55 } unique_domain_uri;
56
57 typedef struct unique_domain_s {
58 struct unique_domain_s *next;
59 struct berval domain_spec;
60 struct unique_domain_uri_s *uri;
61 char ignore; /* polarity of attributes */
62 char strict; /* null considered unique too */
63 } unique_domain;
64
65 typedef struct unique_data_s {
66 struct unique_domain_s *domains;
67 struct unique_domain_s *legacy;
68 char legacy_strict_set;
69 } unique_data;
70
71 typedef struct unique_counter_s {
72 struct berval *ndn;
73 int count;
74 } unique_counter;
75
76 enum {
77 UNIQUE_BASE = 1,
78 UNIQUE_IGNORE,
79 UNIQUE_ATTR,
80 UNIQUE_STRICT,
81 UNIQUE_URI
82 };
83
84 static ConfigDriver unique_cf_base;
85 static ConfigDriver unique_cf_attrs;
86 static ConfigDriver unique_cf_strict;
87 static ConfigDriver unique_cf_uri;
88
89 static ConfigTable uniquecfg[] = {
90 { "unique_base", "basedn", 2, 2, 0, ARG_DN|ARG_MAGIC|UNIQUE_BASE,
91 unique_cf_base, "( OLcfgOvAt:10.1 NAME 'olcUniqueBase' "
92 "DESC 'Subtree for uniqueness searches' "
93 "EQUALITY distinguishedNameMatch "
94 "SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
95 { "unique_ignore", "attribute...", 2, 0, 0, ARG_MAGIC|UNIQUE_IGNORE,
96 unique_cf_attrs, "( OLcfgOvAt:10.2 NAME 'olcUniqueIgnore' "
97 "DESC 'Attributes for which uniqueness shall not be enforced' "
98 "EQUALITY caseIgnoreMatch "
99 "ORDERING caseIgnoreOrderingMatch "
100 "SUBSTR caseIgnoreSubstringsMatch "
101 "SYNTAX OMsDirectoryString )", NULL, NULL },
102 { "unique_attributes", "attribute...", 2, 0, 0, ARG_MAGIC|UNIQUE_ATTR,
103 unique_cf_attrs, "( OLcfgOvAt:10.3 NAME 'olcUniqueAttribute' "
104 "DESC 'Attributes for which uniqueness shall be enforced' "
105 "EQUALITY caseIgnoreMatch "
106 "ORDERING caseIgnoreOrderingMatch "
107 "SUBSTR caseIgnoreSubstringsMatch "
108 "SYNTAX OMsDirectoryString )", NULL, NULL },
109 { "unique_strict", "on|off", 1, 2, 0, ARG_MAGIC|UNIQUE_STRICT,
110 unique_cf_strict, "( OLcfgOvAt:10.4 NAME 'olcUniqueStrict' "
111 "DESC 'Enforce uniqueness of null values' "
112 "EQUALITY booleanMatch "
113 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
114 { "unique_uri", "ldapuri", 2, 3, 0, ARG_MAGIC|UNIQUE_URI,
115 unique_cf_uri, "( OLcfgOvAt:10.5 NAME 'olcUniqueURI' "
116 "DESC 'List of keywords and LDAP URIs for a uniqueness domain' "
117 "EQUALITY caseExactMatch "
118 "ORDERING caseExactOrderingMatch "
119 "SUBSTR caseExactSubstringsMatch "
120 "SYNTAX OMsDirectoryString )", NULL, NULL },
121 { NULL, NULL, 0, 0, 0, ARG_IGNORED }
122 };
123
124 static ConfigOCs uniqueocs[] = {
125 { "( OLcfgOvOc:10.1 "
126 "NAME 'olcUniqueConfig' "
127 "DESC 'Attribute value uniqueness configuration' "
128 "SUP olcOverlayConfig "
129 "MAY ( olcUniqueBase $ olcUniqueIgnore $ "
130 "olcUniqueAttribute $ olcUniqueStrict $ "
131 "olcUniqueURI ) )",
132 Cft_Overlay, uniquecfg },
133 { NULL, 0, NULL }
134 };
135
136 static void
137 unique_free_domain_uri ( unique_domain_uri *uri )
138 {
139 unique_domain_uri *next_uri = NULL;
140 unique_attrs *attr, *next_attr = NULL;
141
142 while ( uri ) {
143 next_uri = uri->next;
144 ch_free ( uri->dn.bv_val );
145 ch_free ( uri->ndn.bv_val );
146 ch_free ( uri->filter.bv_val );
147 filter_free( uri->f );
148 attr = uri->attrs;
149 while ( attr ) {
150 next_attr = attr->next;
151 ch_free (attr);
152 attr = next_attr;
153 }
154 ch_free ( uri );
155 uri = next_uri;
156 }
157 }
158
159 /* free an entire stack of domains */
160 static void
161 unique_free_domain ( unique_domain *domain )
162 {
163 unique_domain *next_domain = NULL;
164
165 while ( domain ) {
166 next_domain = domain->next;
167 ch_free ( domain->domain_spec.bv_val );
168 unique_free_domain_uri ( domain->uri );
169 ch_free ( domain );
170 domain = next_domain;
171 }
172 }
173
174 static int
175 unique_new_domain_uri ( unique_domain_uri **urip,
176 const LDAPURLDesc *url_desc,
177 ConfigArgs *c )
178 {
179 int i, rc = LDAP_SUCCESS;
180 unique_domain_uri *uri;
181 struct berval bv = {0, NULL};
182 BackendDB *be = (BackendDB *)c->be;
183 char ** attr_str;
184 AttributeDescription * ad;
185 const char * text;
186
187 uri = ch_calloc ( 1, sizeof ( unique_domain_uri ) );
188
189 if ( url_desc->lud_dn && url_desc->lud_dn[0] ) {
190 ber_str2bv( url_desc->lud_dn, 0, 0, &bv );
191 rc = dnPrettyNormal( NULL,
192 &bv,
193 &uri->dn,
194 &uri->ndn,
195 NULL );
196 if ( rc != LDAP_SUCCESS ) {
197 snprintf( c->cr_msg, sizeof( c->cr_msg ),
198 "<%s> invalid DN %d (%s)",
199 url_desc->lud_dn, rc, ldap_err2string( rc ));
200 rc = ARG_BAD_CONF;
201 goto exit;
202 }
203
204 if ( be->be_nsuffix == NULL ) {
205 snprintf( c->cr_msg, sizeof( c->cr_msg ),
206 "suffix must be set" );
207 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
208 c->cr_msg, NULL, NULL );
209 rc = ARG_BAD_CONF;
210 goto exit;
211 }
212
213 if ( !dnIsSuffix ( &uri->ndn, &be->be_nsuffix[0] ) ) {
214 snprintf( c->cr_msg, sizeof( c->cr_msg ),
215 "dn <%s> is not a suffix of backend base dn <%s>",
216 uri->dn.bv_val,
217 be->be_nsuffix[0].bv_val );
218 rc = ARG_BAD_CONF;
219 goto exit;
220 }
221
222 if ( BER_BVISNULL( &be->be_rootndn ) || BER_BVISEMPTY( &be->be_rootndn ) ) {
223 Debug( LDAP_DEBUG_ANY,
224 "slapo-unique needs a rootdn; "
225 "backend <%s> has none, YMMV.\n",
226 be->be_nsuffix[0].bv_val, 0, 0 );
227 }
228 }
229
230 attr_str = url_desc->lud_attrs;
231 if ( attr_str ) {
232 for ( i=0; attr_str[i]; ++i ) {
233 unique_attrs * attr;
234 ad = NULL;
235 if ( slap_str2ad ( attr_str[i], &ad, &text )
236 == LDAP_SUCCESS) {
237 attr = ch_calloc ( 1,
238 sizeof ( unique_attrs ) );
239 attr->attr = ad;
240 attr->next = uri->attrs;
241 uri->attrs = attr;
242 } else {
243 snprintf( c->cr_msg, sizeof( c->cr_msg ),
244 "unique: attribute: %s: %s",
245 attr_str[i], text );
246 rc = ARG_BAD_CONF;
247 goto exit;
248 }
249 }
250 }
251
252 uri->scope = url_desc->lud_scope;
253 if ( !uri->scope ) {
254 snprintf( c->cr_msg, sizeof( c->cr_msg ),
255 "unique: uri with base scope will always be unique");
256 rc = ARG_BAD_CONF;
257 goto exit;
258 }
259
260 if (url_desc->lud_filter) {
261 char *ptr;
262 uri->f = str2filter( url_desc->lud_filter );
263 if ( !uri->f ) {
264 snprintf( c->cr_msg, sizeof( c->cr_msg ),
265 "unique: bad filter");
266 rc = ARG_BAD_CONF;
267 goto exit;
268 }
269 /* make sure the strfilter is in normal form (ITS#5581) */
270 filter2bv( uri->f, &uri->filter );
271 ptr = strstr( uri->filter.bv_val, "(?=" /*)*/ );
272 if ( ptr != NULL && ptr <= ( uri->filter.bv_val - STRLENOF( "(?=" /*)*/ ) + uri->filter.bv_len ) )
273 {
274 snprintf( c->cr_msg, sizeof( c->cr_msg ),
275 "unique: bad filter");
276 rc = ARG_BAD_CONF;
277 goto exit;
278 }
279 }
280 exit:
281 uri->next = *urip;
282 *urip = uri;
283 if ( rc ) {
284 Debug ( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
285 "%s: %s\n", c->log, c->cr_msg, 0 );
286 unique_free_domain_uri ( uri );
287 *urip = NULL;
288 }
289 return rc;
290 }
291
292 static int
293 unique_new_domain_uri_basic ( unique_domain_uri **urip,
294 ConfigArgs *c )
295 {
296 LDAPURLDesc *url_desc = NULL;
297 int rc;
298
299 rc = ldap_url_parse ( UNIQUE_DEFAULT_URI, &url_desc );
300 if ( rc ) return rc;
301 rc = unique_new_domain_uri ( urip, url_desc, c );
302 ldap_free_urldesc ( url_desc );
303 return rc;
304 }
305
306 /* if *domain is non-null, it's pushed down the stack.
307 * note that the entire stack is freed if there is an error,
308 * so build added domains in a separate stack before adding them
309 *
310 * domain_specs look like
311 *
312 * [strict ][ignore ]uri[[ uri]...]
313 * e.g. "ldap:///ou=foo,o=bar?uid?sub ldap:///ou=baz,o=bar?uid?sub"
314 * "strict ldap:///ou=accounts,o=bar?uid,uidNumber?one"
315 * etc
316 *
317 * so finally strictness is per-domain
318 * but so is ignore-state, and that would be better as a per-url thing
319 */
320 static int
321 unique_new_domain ( unique_domain **domainp,
322 char *domain_spec,
323 ConfigArgs *c )
324 {
325 char *uri_start;
326 int rc = LDAP_SUCCESS;
327 int uri_err = 0;
328 unique_domain * domain;
329 LDAPURLDesc *url_desc, *url_descs = NULL;
330
331 Debug(LDAP_DEBUG_TRACE, "==> unique_new_domain <%s>\n",
332 domain_spec, 0, 0);
333
334 domain = ch_calloc ( 1, sizeof (unique_domain) );
335 ber_str2bv( domain_spec, 0, 1, &domain->domain_spec );
336
337 uri_start = domain_spec;
338 if ( strncasecmp ( uri_start, "ignore ",
339 STRLENOF( "ignore " ) ) == 0 ) {
340 domain->ignore = 1;
341 uri_start += STRLENOF( "ignore " );
342 }
343 if ( strncasecmp ( uri_start, "strict ",
344 STRLENOF( "strict " ) ) == 0 ) {
345 domain->strict = 1;
346 uri_start += STRLENOF( "strict " );
347 if ( !domain->ignore
348 && strncasecmp ( uri_start, "ignore ",
349 STRLENOF( "ignore " ) ) == 0 ) {
350 domain->ignore = 1;
351 uri_start += STRLENOF( "ignore " );
352 }
353 }
354 rc = ldap_url_parselist_ext ( &url_descs, uri_start, " ", 0 );
355 if ( rc ) {
356 snprintf( c->cr_msg, sizeof( c->cr_msg ),
357 "<%s> invalid ldap urilist",
358 uri_start );
359 rc = ARG_BAD_CONF;
360 goto exit;
361 }
362
363 for ( url_desc = url_descs;
364 url_desc;
365 url_desc = url_descs->lud_next ) {
366 rc = unique_new_domain_uri ( &domain->uri,
367 url_desc,
368 c );
369 if ( rc ) {
370 rc = ARG_BAD_CONF;
371 uri_err = 1;
372 goto exit;
373 }
374 }
375
376 exit:
377 if ( url_descs ) ldap_free_urldesc ( url_descs );
378 domain->next = *domainp;
379 *domainp = domain;
380 if ( rc ) {
381 Debug ( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
382 "%s: %s\n", c->log, c->cr_msg, 0 );
383 unique_free_domain ( domain );
384 *domainp = NULL;
385 }
386 return rc;
387 }
388
389 static int
390 unique_cf_base( ConfigArgs *c )
391 {
392 BackendDB *be = (BackendDB *)c->be;
393 slap_overinst *on = (slap_overinst *)c->bi;
394 unique_data *private = (unique_data *) on->on_bi.bi_private;
395 unique_domain *domains = private->domains;
396 unique_domain *legacy = private->legacy;
397 int rc = ARG_BAD_CONF;
398
399 switch ( c->op ) {
400 case SLAP_CONFIG_EMIT:
401 rc = 0;
402 if ( legacy && legacy->uri && legacy->uri->dn.bv_val ) {
403 rc = value_add_one ( &c->rvalue_vals,
404 &legacy->uri->dn );
405 if ( rc ) return rc;
406 rc = value_add_one ( &c->rvalue_nvals,
407 &legacy->uri->ndn );
408 if ( rc ) return rc;
409 }
410 break;
411 case LDAP_MOD_DELETE:
412 assert ( legacy && legacy->uri && legacy->uri->dn.bv_val );
413 rc = 0;
414 ch_free ( legacy->uri->dn.bv_val );
415 ch_free ( legacy->uri->ndn.bv_val );
416 BER_BVZERO( &legacy->uri->dn );
417 BER_BVZERO( &legacy->uri->ndn );
418 if ( !legacy->uri->attrs ) {
419 unique_free_domain_uri ( legacy->uri );
420 legacy->uri = NULL;
421 }
422 if ( !legacy->uri && !private->legacy_strict_set ) {
423 unique_free_domain ( legacy );
424 private->legacy = legacy = NULL;
425 }
426 break;
427 case LDAP_MOD_ADD:
428 case SLAP_CONFIG_ADD:
429 if ( domains ) {
430 snprintf( c->cr_msg, sizeof( c->cr_msg ),
431 "cannot set legacy attrs when URIs are present" );
432 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
433 c->cr_msg, NULL, NULL );
434 rc = ARG_BAD_CONF;
435 break;
436 }
437 if ( be->be_nsuffix == NULL ) {
438 snprintf( c->cr_msg, sizeof( c->cr_msg ),
439 "suffix must be set" );
440 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
441 c->cr_msg, NULL, NULL );
442 rc = ARG_BAD_CONF;
443 break;
444 }
445 if ( !dnIsSuffix ( &c->value_ndn,
446 &be->be_nsuffix[0] ) ) {
447 snprintf( c->cr_msg, sizeof( c->cr_msg ),
448 "dn is not a suffix of backend base" );
449 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
450 c->cr_msg, NULL, NULL );
451 rc = ARG_BAD_CONF;
452 break;
453 }
454 if ( !legacy ) {
455 unique_new_domain ( &private->legacy,
456 UNIQUE_DEFAULT_URI,
457 c );
458 legacy = private->legacy;
459 }
460 if ( !legacy->uri )
461 unique_new_domain_uri_basic ( &legacy->uri, c );
462 ch_free ( legacy->uri->dn.bv_val );
463 ch_free ( legacy->uri->ndn.bv_val );
464 legacy->uri->dn = c->value_dn;
465 legacy->uri->ndn = c->value_ndn;
466 rc = 0;
467 break;
468 default:
469 abort();
470 }
471
472 if ( rc ) {
473 ch_free( c->value_dn.bv_val );
474 BER_BVZERO( &c->value_dn );
475 ch_free( c->value_ndn.bv_val );
476 BER_BVZERO( &c->value_ndn );
477 }
478
479 return rc;
480 }
481
482 static int
483 unique_cf_attrs( ConfigArgs *c )
484 {
485 slap_overinst *on = (slap_overinst *)c->bi;
486 unique_data *private = (unique_data *) on->on_bi.bi_private;
487 unique_domain *domains = private->domains;
488 unique_domain *legacy = private->legacy;
489 unique_attrs *new_attrs = NULL;
490 unique_attrs *attr, *next_attr, *reverse_attrs;
491 unique_attrs **attrp;
492 int rc = ARG_BAD_CONF;
493 int i;
494
495 switch ( c->op ) {
496 case SLAP_CONFIG_EMIT:
497 if ( legacy
498 && (c->type == UNIQUE_IGNORE) == legacy->ignore
499 && legacy->uri )
500 for ( attr = legacy->uri->attrs;
501 attr;
502 attr = attr->next )
503 value_add_one( &c->rvalue_vals,
504 &attr->attr->ad_cname );
505 rc = 0;
506 break;
507 case LDAP_MOD_DELETE:
508 if ( legacy
509 && (c->type == UNIQUE_IGNORE) == legacy->ignore
510 && legacy->uri
511 && legacy->uri->attrs) {
512 if ( c->valx < 0 ) { /* delete all */
513 for ( attr = legacy->uri->attrs;
514 attr;
515 attr = next_attr ) {
516 next_attr = attr->next;
517 ch_free ( attr );
518 }
519 legacy->uri->attrs = NULL;
520 } else { /* delete by index */
521 attrp = &legacy->uri->attrs;
522 for ( i=0; i < c->valx; ++i )
523 attrp = &(*attrp)->next;
524 attr = *attrp;
525 *attrp = attr->next;
526 ch_free (attr);
527 }
528 if ( !legacy->uri->attrs
529 && !legacy->uri->dn.bv_val ) {
530 unique_free_domain_uri ( legacy->uri );
531 legacy->uri = NULL;
532 }
533 if ( !legacy->uri && !private->legacy_strict_set ) {
534 unique_free_domain ( legacy );
535 private->legacy = legacy = NULL;
536 }
537 }
538 rc = 0;
539 break;
540 case LDAP_MOD_ADD:
541 case SLAP_CONFIG_ADD:
542 if ( domains ) {
543 snprintf( c->cr_msg, sizeof( c->cr_msg ),
544 "cannot set legacy attrs when URIs are present" );
545 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
546 c->cr_msg, NULL, NULL );
547 rc = ARG_BAD_CONF;
548 break;
549 }
550 if ( legacy
551 && legacy->uri
552 && legacy->uri->attrs
553 && (c->type == UNIQUE_IGNORE) != legacy->ignore ) {
554 snprintf( c->cr_msg, sizeof( c->cr_msg ),
555 "cannot set both attrs and ignore-attrs" );
556 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
557 c->cr_msg, NULL, NULL );
558 rc = ARG_BAD_CONF;
559 break;
560 }
561 if ( !legacy ) {
562 unique_new_domain ( &private->legacy,
563 UNIQUE_DEFAULT_URI,
564 c );
565 legacy = private->legacy;
566 }
567 if ( !legacy->uri )
568 unique_new_domain_uri_basic ( &legacy->uri, c );
569 rc = 0;
570 for ( i=1; c->argv[i]; ++i ) {
571 AttributeDescription * ad = NULL;
572 const char * text;
573 if ( slap_str2ad ( c->argv[i], &ad, &text )
574 == LDAP_SUCCESS) {
575
576 attr = ch_calloc ( 1,
577 sizeof ( unique_attrs ) );
578 attr->attr = ad;
579 attr->next = new_attrs;
580 new_attrs = attr;
581 } else {
582 snprintf( c->cr_msg, sizeof( c->cr_msg ),
583 "unique: attribute: %s: %s",
584 c->argv[i], text );
585 for ( attr = new_attrs;
586 attr;
587 attr=next_attr ) {
588 next_attr = attr->next;
589 ch_free ( attr );
590 }
591 rc = ARG_BAD_CONF;
592 break;
593 }
594 }
595 if ( rc ) break;
596
597 /* (nconc legacy->uri->attrs (nreverse new_attrs)) */
598 reverse_attrs = NULL;
599 for ( attr = new_attrs;
600 attr;
601 attr = next_attr ) {
602 next_attr = attr->next;
603 attr->next = reverse_attrs;
604 reverse_attrs = attr;
605 }
606 for ( attrp = &legacy->uri->attrs;
607 *attrp;
608 attrp = &(*attrp)->next ) ;
609 *attrp = reverse_attrs;
610
611 legacy->ignore = ( c->type == UNIQUE_IGNORE );
612 break;
613 default:
614 abort();
615 }
616
617 if ( rc ) {
618 Debug ( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
619 "%s: %s\n", c->log, c->cr_msg, 0 );
620 }
621 return rc;
622 }
623
624 static int
625 unique_cf_strict( ConfigArgs *c )
626 {
627 slap_overinst *on = (slap_overinst *)c->bi;
628 unique_data *private = (unique_data *) on->on_bi.bi_private;
629 unique_domain *domains = private->domains;
630 unique_domain *legacy = private->legacy;
631 int rc = ARG_BAD_CONF;
632
633 switch ( c->op ) {
634 case SLAP_CONFIG_EMIT:
635 /* We process the boolean manually instead of using
636 * ARG_ON_OFF so that we can three-state it;
637 * olcUniqueStrict is either TRUE, FALSE, or missing,
638 * and missing is necessary to add olcUniqueURIs...
639 */
640 if ( private->legacy_strict_set ) {
641 struct berval bv;
642 bv.bv_val = legacy->strict ? "TRUE" : "FALSE";
643 bv.bv_len = legacy->strict ?
644 STRLENOF("TRUE") :
645 STRLENOF("FALSE");
646 value_add_one ( &c->rvalue_vals, &bv );
647 }
648 rc = 0;
649 break;
650 case LDAP_MOD_DELETE:
651 if ( legacy ) {
652 legacy->strict = 0;
653 if ( ! legacy->uri ) {
654 unique_free_domain ( legacy );
655 private->legacy = NULL;
656 }
657 }
658 private->legacy_strict_set = 0;
659 rc = 0;
660 break;
661 case LDAP_MOD_ADD:
662 case SLAP_CONFIG_ADD:
663 if ( domains ) {
664 snprintf( c->cr_msg, sizeof( c->cr_msg ),
665 "cannot set legacy attrs when URIs are present" );
666 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
667 c->cr_msg, NULL, NULL );
668 rc = ARG_BAD_CONF;
669 break;
670 }
671 if ( ! legacy ) {
672 unique_new_domain ( &private->legacy,
673 UNIQUE_DEFAULT_URI,
674 c );
675 legacy = private->legacy;
676 }
677 /* ... not using ARG_ON_OFF makes this necessary too */
678 assert ( c->argc == 2 );
679 legacy->strict = (strcasecmp ( c->argv[1], "TRUE" ) == 0);
680 private->legacy_strict_set = 1;
681 rc = 0;
682 break;
683 default:
684 abort();
685 }
686
687 return rc;
688 }
689
690 static int
691 unique_cf_uri( ConfigArgs *c )
692 {
693 slap_overinst *on = (slap_overinst *)c->bi;
694 unique_data *private = (unique_data *) on->on_bi.bi_private;
695 unique_domain *domains = private->domains;
696 unique_domain *legacy = private->legacy;
697 unique_domain *domain = NULL, **domainp = NULL;
698 int rc = ARG_BAD_CONF;
699 int i;
700
701 switch ( c->op ) {
702 case SLAP_CONFIG_EMIT:
703 for ( domain = domains;
704 domain;
705 domain = domain->next ) {
706 rc = value_add_one ( &c->rvalue_vals,
707 &domain->domain_spec );
708 if ( rc ) break;
709 }
710 break;
711 case LDAP_MOD_DELETE:
712 if ( c->valx < 0 ) { /* delete them all! */
713 unique_free_domain ( domains );
714 private->domains = NULL;
715 } else { /* delete just one */
716 domainp = &private->domains;
717 for ( i=0; i < c->valx && *domainp; ++i )
718 domainp = &(*domainp)->next;
719
720 /* If *domainp is null, we walked off the end
721 * of the list. This happens when back-config
722 * and the overlay are out-of-sync, like when
723 * rejecting changes before ITS#4752 gets
724 * fixed.
725 *
726 * This should never happen, but will appear
727 * if you backport this version of
728 * slapo-unique without the config-undo fixes
729 *
730 * test024 Will hit this case in such a
731 * situation.
732 */
733 assert (*domainp != NULL);
734
735 domain = *domainp;
736 *domainp = domain->next;
737 domain->next = NULL;
738 unique_free_domain ( domain );
739 }
740 rc = 0;
741 break;
742
743 case SLAP_CONFIG_ADD: /* fallthrough */
744 case LDAP_MOD_ADD:
745 if ( legacy ) {
746 snprintf( c->cr_msg, sizeof( c->cr_msg ),
747 "cannot set Uri when legacy attrs are present" );
748 Debug ( LDAP_DEBUG_CONFIG, "unique config: %s\n",
749 c->cr_msg, NULL, NULL );
750 rc = ARG_BAD_CONF;
751 break;
752 }
753 rc = 0;
754 if ( c->line ) rc = unique_new_domain ( &domain, c->line, c );
755 else rc = unique_new_domain ( &domain, c->argv[1], c );
756 if ( rc ) break;
757 assert ( domain->next == NULL );
758 for ( domainp = &private->domains;
759 *domainp;
760 domainp = &(*domainp)->next ) ;
761 *domainp = domain;
762
763 break;
764
765 default:
766 abort ();
767 }
768
769 return rc;
770 }
771
772 /*
773 ** allocate new unique_data;
774 ** initialize, copy basedn;
775 ** store in on_bi.bi_private;
776 **
777 */
778
779 static int
780 unique_db_init(
781 BackendDB *be,
782 ConfigReply *cr
783 )
784 {
785 slap_overinst *on = (slap_overinst *)be->bd_info;
786 unique_data **privatep = (unique_data **) &on->on_bi.bi_private;
787
788 Debug(LDAP_DEBUG_TRACE, "==> unique_db_init\n", 0, 0, 0);
789
790 *privatep = ch_calloc ( 1, sizeof ( unique_data ) );
791
792 return 0;
793 }
794
795 static int
796 unique_db_destroy(
797 BackendDB *be,
798 ConfigReply *cr
799 )
800 {
801 slap_overinst *on = (slap_overinst *)be->bd_info;
802 unique_data **privatep = (unique_data **) &on->on_bi.bi_private;
803 unique_data *private = *privatep;
804
805 Debug(LDAP_DEBUG_TRACE, "==> unique_db_destroy\n", 0, 0, 0);
806
807 if ( private ) {
808 unique_domain *domains = private->domains;
809 unique_domain *legacy = private->legacy;
810
811 unique_free_domain ( domains );
812 unique_free_domain ( legacy );
813 ch_free ( private );
814 *privatep = NULL;
815 }
816
817 return 0;
818 }
819
820 static int
821 unique_open(
822 BackendDB *be,
823 ConfigReply *cr
824 )
825 {
826 Debug(LDAP_DEBUG_TRACE, "unique_open: overlay initialized\n", 0, 0, 0);
827
828 return 0;
829 }
830
831
832 /*
833 ** Leave unique_data but wipe out config
834 **
835 */
836
837 static int
838 unique_close(
839 BackendDB *be,
840 ConfigReply *cr
841 )
842 {
843 slap_overinst *on = (slap_overinst *) be->bd_info;
844 unique_data **privatep = (unique_data **) &on->on_bi.bi_private;
845 unique_data *private = *privatep;
846
847 Debug(LDAP_DEBUG_TRACE, "==> unique_close\n", 0, 0, 0);
848
849 if ( private ) {
850 unique_domain *domains = private->domains;
851 unique_domain *legacy = private->legacy;
852
853 unique_free_domain ( domains );
854 unique_free_domain ( legacy );
855 memset ( private, 0, sizeof ( unique_data ) );
856 }
857
858 return ( 0 );
859 }
860
861
862 /*
863 ** search callback
864 ** if this is a REP_SEARCH, count++;
865 **
866 */
867
868 static int count_attr_cb(
869 Operation *op,
870 SlapReply *rs
871 )
872 {
873 unique_counter *uc;
874
875 /* because you never know */
876 if(!op || !rs) return(0);
877
878 /* Only search entries are interesting */
879 if(rs->sr_type != REP_SEARCH) return(0);
880
881 uc = op->o_callback->sc_private;
882
883 /* Ignore the current entry */
884 if ( dn_match( uc->ndn, &rs->sr_entry->e_nname )) return(0);
885
886 Debug(LDAP_DEBUG_TRACE, "==> count_attr_cb <%s>\n",
887 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "UNKNOWN_DN", 0, 0);
888
889 uc->count++;
890
891 return(0);
892 }
893
894 /* count the length of one attribute ad
895 * (and all of its values b)
896 * in the proposed filter
897 */
898 static int
899 count_filter_len(
900 unique_domain *domain,
901 unique_domain_uri *uri,
902 AttributeDescription *ad,
903 BerVarray b
904 )
905 {
906 unique_attrs *attr;
907 int i;
908 int ks = 0;
909
910 while ( !is_at_operational( ad->ad_type ) ) {
911 if ( uri->attrs ) {
912 for ( attr = uri->attrs; attr; attr = attr->next ) {
913 if ( ad == attr->attr ) {
914 break;
915 }
916 }
917 if ( ( domain->ignore && attr )
918 || (!domain->ignore && !attr )) {
919 break;
920 }
921 }
922 if ( b && b[0].bv_val ) {
923 for (i = 0; b[i].bv_val; i++ ) {
924 /* note: make room for filter escaping... */
925 ks += ( 3 * b[i].bv_len ) + ad->ad_cname.bv_len + STRLENOF( "(=)" );
926 }
927 } else if ( domain->strict ) {
928 ks += ad->ad_cname.bv_len + STRLENOF( "(=*)" ); /* (attr=*) */
929 }
930 break;
931 }
932
933 return ks;
934 }
935
936 static char *
937 build_filter(
938 unique_domain *domain,
939 unique_domain_uri *uri,
940 AttributeDescription *ad,
941 BerVarray b,
942 char *kp,
943 int ks,
944 void *ctx
945 )
946 {
947 unique_attrs *attr;
948 int i;
949
950 while ( !is_at_operational( ad->ad_type ) ) {
951 if ( uri->attrs ) {
952 for ( attr = uri->attrs; attr; attr = attr->next ) {
953 if ( ad == attr->attr ) {
954 break;
955 }
956 }
957 if ( ( domain->ignore && attr )
958 || (!domain->ignore && !attr )) {
959 break;
960 }
961 }
962 if ( b && b[0].bv_val ) {
963 for ( i = 0; b[i].bv_val; i++ ) {
964 struct berval bv;
965 int len;
966
967 ldap_bv2escaped_filter_value_x( &b[i], &bv, 1, ctx );
968 len = snprintf( kp, ks, "(%s=%s)", ad->ad_cname.bv_val, bv.bv_val );
969 assert( len >= 0 && len < ks );
970 kp += len;
971 if ( bv.bv_val != b[i].bv_val ) {
972 ber_memfree_x( bv.bv_val, ctx );
973 }
974 }
975 } else if ( domain->strict ) {
976 int len;
977 len = snprintf( kp, ks, "(%s=*)", ad->ad_cname.bv_val );
978 assert( len >= 0 && len < ks );
979 kp += len;
980 }
981 break;
982 }
983 return kp;
984 }
985
986 static int
987 unique_search(
988 Operation *op,
989 Operation *nop,
990 struct berval * dn,
991 int scope,
992 SlapReply *rs,
993 struct berval *key
994 )
995 {
996 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
997 SlapReply nrs = { REP_RESULT };
998 slap_callback cb = { NULL, NULL, NULL, NULL }; /* XXX */
999 unique_counter uq = { NULL, 0 };
1000 int rc;
1001
1002 Debug(LDAP_DEBUG_TRACE, "==> unique_search %s\n", key->bv_val, 0, 0);
1003
1004 nop->ors_filter = str2filter_x(nop, key->bv_val);
1005 if(nop->ors_filter == NULL) {
1006 op->o_bd->bd_info = (BackendInfo *) on->on_info;
1007 send_ldap_error(op, rs, LDAP_OTHER,
1008 "unique_search invalid filter");
1009 return(rs->sr_err);
1010 }
1011
1012 nop->ors_filterstr = *key;
1013
1014 cb.sc_response = (slap_response*)count_attr_cb;
1015 cb.sc_private = &uq;
1016 nop->o_callback = &cb;
1017 nop->o_tag = LDAP_REQ_SEARCH;
1018 nop->ors_scope = scope;
1019 nop->ors_deref = LDAP_DEREF_NEVER;
1020 nop->ors_limit = NULL;
1021 nop->ors_slimit = SLAP_NO_LIMIT;
1022 nop->ors_tlimit = SLAP_NO_LIMIT;
1023 nop->ors_attrs = slap_anlist_no_attrs;
1024 nop->ors_attrsonly = 1;
1025
1026 uq.ndn = &op->o_req_ndn;
1027
1028 nop->o_req_ndn = *dn;
1029 nop->o_ndn = op->o_bd->be_rootndn;
1030
1031 nop->o_bd = on->on_info->oi_origdb;
1032 rc = nop->o_bd->be_search(nop, &nrs);
1033 filter_free_x(nop, nop->ors_filter, 1);
1034 op->o_tmpfree( key->bv_val, op->o_tmpmemctx );
1035
1036 if(rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_OBJECT) {
1037 op->o_bd->bd_info = (BackendInfo *) on->on_info;
1038 send_ldap_error(op, rs, rc, "unique_search failed");
1039 return(rs->sr_err);
1040 }
1041
1042 Debug(LDAP_DEBUG_TRACE, "=> unique_search found %d records\n", uq.count, 0, 0);
1043
1044 if(uq.count) {
1045 op->o_bd->bd_info = (BackendInfo *) on->on_info;
1046 send_ldap_error(op, rs, LDAP_CONSTRAINT_VIOLATION,
1047 "some attributes not unique");
1048 return(rs->sr_err);
1049 }
1050
1051 return(SLAP_CB_CONTINUE);
1052 }
1053
1054 static int
1055 unique_add(
1056 Operation *op,
1057 SlapReply *rs
1058 )
1059 {
1060 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1061 unique_data *private = (unique_data *) on->on_bi.bi_private;
1062 unique_domain *domains = private->domains;
1063 unique_domain *legacy = private->legacy;
1064 unique_domain *domain;
1065 Operation nop = *op;
1066 Attribute *a;
1067 char *key, *kp;
1068 struct berval bvkey;
1069 int rc = SLAP_CB_CONTINUE;
1070
1071 Debug(LDAP_DEBUG_TRACE, "==> unique_add <%s>\n",
1072 op->o_req_dn.bv_val, 0, 0);
1073
1074 for ( domain = legacy ? legacy : domains;
1075 domain;
1076 domain = domain->next )
1077 {
1078 unique_domain_uri *uri;
1079
1080 for ( uri = domain->uri;
1081 uri;
1082 uri = uri->next )
1083 {
1084 int len;
1085 int ks = 0;
1086
1087 if ( uri->ndn.bv_val
1088 && !dnIsSuffix( &op->o_req_ndn, &uri->ndn ))
1089 continue;
1090
1091 if ( uri->f ) {
1092 if ( test_filter( NULL, op->ora_e, uri->f )
1093 == LDAP_COMPARE_FALSE )
1094 {
1095 Debug( LDAP_DEBUG_TRACE,
1096 "==> unique_add_skip<%s>\n",
1097 op->o_req_dn.bv_val, 0, 0 );
1098 continue;
1099 }
1100 }
1101
1102 if(!(a = op->ora_e->e_attrs)) {
1103 op->o_bd->bd_info = (BackendInfo *) on->on_info;
1104 send_ldap_error(op, rs, LDAP_INVALID_SYNTAX,
1105 "unique_add() got null op.ora_e.e_attrs");
1106 rc = rs->sr_err;
1107 break;
1108
1109 } else {
1110 for(; a; a = a->a_next) {
1111 ks += count_filter_len ( domain,
1112 uri,
1113 a->a_desc,
1114 a->a_vals);
1115 }
1116 }
1117
1118 /* skip this domain-uri if it isn't involved */
1119 if ( !ks ) continue;
1120
1121 /* terminating NUL */
1122 ks += sizeof("(|)");
1123
1124 if ( uri->filter.bv_val && uri->filter.bv_len )
1125 ks += uri->filter.bv_len + STRLENOF ("(&)");
1126 kp = key = op->o_tmpalloc(ks, op->o_tmpmemctx);
1127
1128 if ( uri->filter.bv_val && uri->filter.bv_len ) {
1129 len = snprintf (kp, ks, "(&%s", uri->filter.bv_val);
1130 assert( len >= 0 && len < ks );
1131 kp += len;
1132 }
1133 len = snprintf(kp, ks - (kp - key), "(|");
1134 assert( len >= 0 && len < ks - (kp - key) );
1135 kp += len;
1136
1137 for(a = op->ora_e->e_attrs; a; a = a->a_next)
1138 kp = build_filter(domain,
1139 uri,
1140 a->a_desc,
1141 a->a_vals,
1142 kp,
1143 ks - ( kp - key ),
1144 op->o_tmpmemctx);
1145
1146 len = snprintf(kp, ks - (kp - key), ")");
1147 assert( len >= 0 && len < ks - (kp - key) );
1148 kp += len;
1149 if ( uri->filter.bv_val && uri->filter.bv_len ) {
1150 len = snprintf(kp, ks - (kp - key), ")");
1151 assert( len >= 0 && len < ks - (kp - key) );
1152 kp += len;
1153 }
1154 bvkey.bv_val = key;
1155 bvkey.bv_len = kp - key;
1156
1157 rc = unique_search ( op,
1158 &nop,
1159 uri->ndn.bv_val ?
1160 &uri->ndn :
1161 &op->o_bd->be_nsuffix[0],
1162 uri->scope,
1163 rs,
1164 &bvkey);
1165
1166 if ( rc != SLAP_CB_CONTINUE ) break;
1167 }
1168 if ( rc != SLAP_CB_CONTINUE ) break;
1169 }
1170
1171 return rc;
1172 }
1173
1174
1175 static int
1176 unique_modify(
1177 Operation *op,
1178 SlapReply *rs
1179 )
1180 {
1181 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1182 unique_data *private = (unique_data *) on->on_bi.bi_private;
1183 unique_domain *domains = private->domains;
1184 unique_domain *legacy = private->legacy;
1185 unique_domain *domain;
1186 Operation nop = *op;
1187 Modifications *m;
1188 char *key, *kp;
1189 struct berval bvkey;
1190 int rc = SLAP_CB_CONTINUE;
1191
1192 Debug(LDAP_DEBUG_TRACE, "==> unique_modify <%s>\n",
1193 op->o_req_dn.bv_val, 0, 0);
1194
1195 for ( domain = legacy ? legacy : domains;
1196 domain;
1197 domain = domain->next )
1198 {
1199 unique_domain_uri *uri;
1200
1201 for ( uri = domain->uri;
1202 uri;
1203 uri = uri->next )
1204 {
1205 int len;
1206 int ks = 0;
1207
1208 if ( uri->ndn.bv_val
1209 && !dnIsSuffix( &op->o_req_ndn, &uri->ndn ))
1210 continue;
1211
1212 if ( !(m = op->orm_modlist) ) {
1213 op->o_bd->bd_info = (BackendInfo *) on->on_info;
1214 send_ldap_error(op, rs, LDAP_INVALID_SYNTAX,
1215 "unique_modify() got null op.orm_modlist");
1216 rc = rs->sr_err;
1217 break;
1218
1219 } else
1220 for ( ; m; m = m->sml_next)
1221 if ( (m->sml_op & LDAP_MOD_OP)
1222 != LDAP_MOD_DELETE )
1223 ks += count_filter_len
1224 ( domain,
1225 uri,
1226 m->sml_desc,
1227 m->sml_values);
1228
1229 /* skip this domain-uri if it isn't involved */
1230 if ( !ks ) continue;
1231
1232 /* terminating NUL */
1233 ks += sizeof("(|)");
1234
1235 if ( uri->filter.bv_val && uri->filter.bv_len )
1236 ks += uri->filter.bv_len + STRLENOF ("(&)");
1237 kp = key = op->o_tmpalloc(ks, op->o_tmpmemctx);
1238
1239 if ( uri->filter.bv_val && uri->filter.bv_len ) {
1240 len = snprintf(kp, ks, "(&%s", uri->filter.bv_val);
1241 assert( len >= 0 && len < ks );
1242 kp += len;
1243 }
1244 len = snprintf(kp, ks - (kp - key), "(|");
1245 assert( len >= 0 && len < ks - (kp - key) );
1246 kp += len;
1247
1248 for(m = op->orm_modlist; m; m = m->sml_next)
1249 if ( (m->sml_op & LDAP_MOD_OP)
1250 != LDAP_MOD_DELETE )
1251 kp = build_filter ( domain,
1252 uri,
1253 m->sml_desc,
1254 m->sml_values,
1255 kp,
1256 ks - (kp - key),
1257 op->o_tmpmemctx );
1258
1259 len = snprintf(kp, ks - (kp - key), ")");
1260 assert( len >= 0 && len < ks - (kp - key) );
1261 kp += len;
1262 if ( uri->filter.bv_val && uri->filter.bv_len ) {
1263 len = snprintf (kp, ks - (kp - key), ")");
1264 assert( len >= 0 && len < ks - (kp - key) );
1265 kp += len;
1266 }
1267 bvkey.bv_val = key;
1268 bvkey.bv_len = kp - key;
1269
1270 rc = unique_search ( op,
1271 &nop,
1272 uri->ndn.bv_val ?
1273 &uri->ndn :
1274 &op->o_bd->be_nsuffix[0],
1275 uri->scope,
1276 rs,
1277 &bvkey);
1278
1279 if ( rc != SLAP_CB_CONTINUE ) break;
1280 }
1281 if ( rc != SLAP_CB_CONTINUE ) break;
1282 }
1283
1284 return rc;
1285 }
1286
1287
1288 static int
1289 unique_modrdn(
1290 Operation *op,
1291 SlapReply *rs
1292 )
1293 {
1294 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1295 unique_data *private = (unique_data *) on->on_bi.bi_private;
1296 unique_domain *domains = private->domains;
1297 unique_domain *legacy = private->legacy;
1298 unique_domain *domain;
1299 Operation nop = *op;
1300 char *key, *kp;
1301 struct berval bvkey;
1302 LDAPRDN newrdn;
1303 struct berval bv[2];
1304 int rc = SLAP_CB_CONTINUE;
1305
1306 Debug(LDAP_DEBUG_TRACE, "==> unique_modrdn <%s> <%s>\n",
1307 op->o_req_dn.bv_val, op->orr_newrdn.bv_val, 0);
1308
1309 for ( domain = legacy ? legacy : domains;
1310 domain;
1311 domain = domain->next )
1312 {
1313 unique_domain_uri *uri;
1314
1315 for ( uri = domain->uri;
1316 uri;
1317 uri = uri->next )
1318 {
1319 int i, len;
1320 int ks = 0;
1321
1322 if ( uri->ndn.bv_val
1323 && !dnIsSuffix( &op->o_req_ndn, &uri->ndn )
1324 && (!op->orr_nnewSup
1325 || !dnIsSuffix( op->orr_nnewSup, &uri->ndn )))
1326 continue;
1327
1328 if ( ldap_bv2rdn_x ( &op->oq_modrdn.rs_newrdn,
1329 &newrdn,
1330 (char **)&rs->sr_text,
1331 LDAP_DN_FORMAT_LDAP,
1332 op->o_tmpmemctx ) ) {
1333 op->o_bd->bd_info = (BackendInfo *) on->on_info;
1334 send_ldap_error(op, rs, LDAP_INVALID_SYNTAX,
1335 "unknown type(s) used in RDN");
1336 rc = rs->sr_err;
1337 break;
1338 }
1339
1340 rc = SLAP_CB_CONTINUE;
1341 for ( i=0; newrdn[i]; i++) {
1342 AttributeDescription *ad = NULL;
1343 if ( slap_bv2ad( &newrdn[i]->la_attr, &ad, &rs->sr_text )) {
1344 ldap_rdnfree_x( newrdn, op->o_tmpmemctx );
1345 rs->sr_err = LDAP_INVALID_SYNTAX;
1346 send_ldap_result( op, rs );
1347 rc = rs->sr_err;
1348 break;
1349 }
1350 newrdn[i]->la_private = ad;
1351 }
1352 if ( rc != SLAP_CB_CONTINUE ) break;
1353
1354 bv[1].bv_val = NULL;
1355 bv[1].bv_len = 0;
1356
1357 for ( i=0; newrdn[i]; i++ ) {
1358 bv[0] = newrdn[i]->la_value;
1359 ks += count_filter_len ( domain,
1360 uri,
1361 newrdn[i]->la_private,
1362 bv);
1363 }
1364
1365 /* skip this domain if it isn't involved */
1366 if ( !ks ) continue;
1367
1368 /* terminating NUL */
1369 ks += sizeof("(|)");
1370
1371 if ( uri->filter.bv_val && uri->filter.bv_len )
1372 ks += uri->filter.bv_len + STRLENOF ("(&)");
1373 kp = key = op->o_tmpalloc(ks, op->o_tmpmemctx);
1374
1375 if ( uri->filter.bv_val && uri->filter.bv_len ) {
1376 len = snprintf(kp, ks, "(&%s", uri->filter.bv_val);
1377 assert( len >= 0 && len < ks );
1378 kp += len;
1379 }
1380 len = snprintf(kp, ks - (kp - key), "(|");
1381 assert( len >= 0 && len < ks - (kp - key) );
1382 kp += len;
1383
1384 for ( i=0; newrdn[i]; i++) {
1385 bv[0] = newrdn[i]->la_value;
1386 kp = build_filter ( domain,
1387 uri,
1388 newrdn[i]->la_private,
1389 bv,
1390 kp,
1391 ks - (kp - key ),
1392 op->o_tmpmemctx);
1393 }
1394
1395 len = snprintf(kp, ks - (kp - key), ")");
1396 assert( len >= 0 && len < ks - (kp - key) );
1397 kp += len;
1398 if ( uri->filter.bv_val && uri->filter.bv_len ) {
1399 len = snprintf (kp, ks - (kp - key), ")");
1400 assert( len >= 0 && len < ks - (kp - key) );
1401 kp += len;
1402 }
1403 bvkey.bv_val = key;
1404 bvkey.bv_len = kp - key;
1405
1406 rc = unique_search ( op,
1407 &nop,
1408 uri->ndn.bv_val ?
1409 &uri->ndn :
1410 &op->o_bd->be_nsuffix[0],
1411 uri->scope,
1412 rs,
1413 &bvkey);
1414
1415 if ( rc != SLAP_CB_CONTINUE ) break;
1416 }
1417 if ( rc != SLAP_CB_CONTINUE ) break;
1418 }
1419
1420 return rc;
1421 }
1422
1423 /*
1424 ** init_module is last so the symbols resolve "for free" --
1425 ** it expects to be called automagically during dynamic module initialization
1426 */
1427
1428 int
1429 unique_initialize()
1430 {
1431 int rc;
1432
1433 /* statically declared just after the #includes at top */
1434 memset (&unique, 0, sizeof(unique));
1435
1436 unique.on_bi.bi_type = "unique";
1437 unique.on_bi.bi_db_init = unique_db_init;
1438 unique.on_bi.bi_db_destroy = unique_db_destroy;
1439 unique.on_bi.bi_db_open = unique_open;
1440 unique.on_bi.bi_db_close = unique_close;
1441 unique.on_bi.bi_op_add = unique_add;
1442 unique.on_bi.bi_op_modify = unique_modify;
1443 unique.on_bi.bi_op_modrdn = unique_modrdn;
1444
1445 unique.on_bi.bi_cf_ocs = uniqueocs;
1446 rc = config_register_schema( uniquecfg, uniqueocs );
1447 if ( rc ) return rc;
1448
1449 return(overlay_register(&unique));
1450 }
1451
1452 #if SLAPD_OVER_UNIQUE == SLAPD_MOD_DYNAMIC && defined(PIC)
1453 int init_module(int argc, char *argv[]) {
1454 return unique_initialize();
1455 }
1456 #endif
1457
1458 #endif /* SLAPD_OVER_UNIQUE */
1459