?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Patrick Welche <prlw1@cam.ac.uk>
[netbsd-mini2440.git] / external / bsd / openldap / dist / servers / slapd / overlays / dynlist.c
blob5dab9f289986d4f60f24edaae85933169d173b5b
1 /* dynlist.c - dynamic list overlay */
2 /* $OpenLDAP: pkg/ldap/servers/slapd/overlays/dynlist.c,v 1.20.2.17 2008/07/10 00:43:03 quanah Exp $ */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 *
5 * Copyright 2003-2008 The OpenLDAP Foundation.
6 * Portions Copyright 2004-2005 Pierangelo Masarati.
7 * Portions Copyright 2008 Emmanuel Dreyfus.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted only as authorized by the OpenLDAP
12 * Public License.
13 *
14 * A copy of this license is available in the file LICENSE in the
15 * top-level directory of the distribution or, alternatively, at
16 * <http://www.OpenLDAP.org/license.html>.
17 */
18 /* ACKNOWLEDGEMENTS:
19 * This work was initially developed by Pierangelo Masarati
20 * for SysNet s.n.c., for inclusion in OpenLDAP Software.
21 */
22
23 #include "portable.h"
24
25 #ifdef SLAPD_OVER_DYNLIST
26
27 #if LDAP_VENDOR_VERSION_MINOR == X || LDAP_VENDOR_VERSION_MINOR > 3
28 #if SLAPD_OVER_DYNGROUP != SLAPD_MOD_STATIC
29 #define TAKEOVER_DYNGROUP
30 #endif
31 #else
32 #if LDAP_VENDOR_VERSION_MINOR < 3
33 #define OL_2_2_COMPAT
34 #endif
35 #endif
36
37 #include <stdio.h>
38
39 #include <ac/string.h>
40
41 #include "slap.h"
42 #ifndef OL_2_2_COMPAT
43 #include "config.h"
44 #endif
45 #include "lutil.h"
46
47 /* FIXME: the code differs if SLAP_OPATTRS is defined or not;
48 * SLAP_OPATTRS is not defined in 2.2 yet, while this overlay
49 * expects HEAD code at least later than August 6, 2004. */
50 /* FIXME: slap_anlist_no_attrs was introduced in 2.3; here it
51 * is anticipated to allow using this overlay with 2.2. */
52
53 #ifdef OL_2_2_COMPAT
54 static AttributeName anlist_no_attrs[] = {
55 { BER_BVC( LDAP_NO_ATTRS ), NULL, 0, NULL },
56 { BER_BVNULL, NULL, 0, NULL }
57 };
58
59 static AttributeName *slap_anlist_no_attrs = anlist_no_attrs;
60 #endif
61
62 static AttributeDescription *ad_dgIdentity, *ad_dgAuthz;
63
64 typedef struct dynlist_map_t {
65 AttributeDescription *dlm_member_ad;
66 AttributeDescription *dlm_mapped_ad;
67 struct dynlist_map_t *dlm_next;
68 } dynlist_map_t;
69
70 typedef struct dynlist_info_t {
71 ObjectClass *dli_oc;
72 AttributeDescription *dli_ad;
73 struct dynlist_map_t *dli_dlm;
74 struct berval dli_default_filter;
75 struct dynlist_info_t *dli_next;
76 } dynlist_info_t;
77
78 #define DYNLIST_USAGE \
79 "\"dynlist-attrset <oc> <URL-ad> [[<mapped-ad>:]<member-ad> ...]\": "
80
81 static dynlist_info_t *
82 dynlist_is_dynlist_next( Operation *op, SlapReply *rs, dynlist_info_t *old_dli )
83 {
84 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
85 dynlist_info_t *dli;
86
87 Attribute *a;
88
89 if ( old_dli == NULL ) {
90 dli = (dynlist_info_t *)on->on_bi.bi_private;
91
92 } else {
93 dli = old_dli->dli_next;
94 }
95
96 a = attrs_find( rs->sr_entry->e_attrs, slap_schema.si_ad_objectClass );
97 if ( a == NULL ) {
98 /* FIXME: objectClass must be present; for non-storage
99 * backends, like back-ldap, it needs to be added
100 * to the requested attributes */
101 return NULL;
102 }
103
104 for ( ; dli; dli = dli->dli_next ) {
105 if ( attr_valfind( a,
106 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
107 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
108 &dli->dli_oc->soc_cname, NULL,
109 op->o_tmpmemctx ) == 0 )
110 {
111 return dli;
112 }
113 }
114
115 return NULL;
116 }
117
118 static int
119 dynlist_make_filter( Operation *op, struct berval *oldf, struct berval *newf )
120 {
121 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
122 dynlist_info_t *dli = (dynlist_info_t *)on->on_bi.bi_private;
123
124 char *ptr;
125
126 assert( oldf != NULL );
127 assert( newf != NULL );
128 assert( !BER_BVISNULL( oldf ) );
129 assert( !BER_BVISEMPTY( oldf ) );
130
131 newf->bv_len = STRLENOF( "(&(!(objectClass=" "))" ")" )
132 + dli->dli_oc->soc_cname.bv_len + oldf->bv_len;
133 newf->bv_val = op->o_tmpalloc( newf->bv_len + 1, op->o_tmpmemctx );
134 if ( newf->bv_val == NULL ) {
135 return -1;
136 }
137 ptr = lutil_strcopy( newf->bv_val, "(&(!(objectClass=" );
138 ptr = lutil_strcopy( ptr, dli->dli_oc->soc_cname.bv_val );
139 ptr = lutil_strcopy( ptr, "))" );
140 ptr = lutil_strcopy( ptr, oldf->bv_val );
141 ptr = lutil_strcopy( ptr, ")" );
142 newf->bv_len = ptr - newf->bv_val;
143
144 return 0;
145 }
146
147 typedef struct dynlist_sc_t {
148 dynlist_info_t *dlc_dli;
149 Entry *dlc_e;
150 } dynlist_sc_t;
151
152 static int
153 dynlist_sc_update( Operation *op, SlapReply *rs )
154 {
155 Entry *e;
156 Attribute *a;
157 int opattrs,
158 userattrs;
159 AccessControlState acl_state = ACL_STATE_INIT;
160
161 dynlist_sc_t *dlc;
162 dynlist_map_t *dlm;
163
164 if ( rs->sr_type != REP_SEARCH ) {
165 return 0;
166 }
167
168 dlc = (dynlist_sc_t *)op->o_callback->sc_private;
169 e = dlc->dlc_e;
170
171 assert( e != NULL );
172 assert( rs->sr_entry != NULL );
173
174 /* test access to entry */
175 if ( !access_allowed( op, rs->sr_entry, slap_schema.si_ad_entry,
176 NULL, ACL_READ, NULL ) )
177 {
178 goto done;
179 }
180
181 /* if there is only one member_ad, and it's not mapped,
182 * consider it as old-style member listing */
183 dlm = dlc->dlc_dli->dli_dlm;
184 if ( dlm && dlm->dlm_mapped_ad == NULL && dlm->dlm_next == NULL ) {
185 /* if access allowed, try to add values, emulating permissive
186 * control to silently ignore duplicates */
187 if ( access_allowed( op, rs->sr_entry, slap_schema.si_ad_entry,
188 NULL, ACL_READ, NULL ) )
189 {
190 Modification mod;
191 const char *text = NULL;
192 char textbuf[1024];
193 struct berval vals[ 2 ], nvals[ 2 ];
194
195 vals[ 0 ] = rs->sr_entry->e_name;
196 BER_BVZERO( &vals[ 1 ] );
197 nvals[ 0 ] = rs->sr_entry->e_nname;
198 BER_BVZERO( &nvals[ 1 ] );
199
200 mod.sm_op = LDAP_MOD_ADD;
201 mod.sm_desc = dlm->dlm_member_ad;
202 mod.sm_type = dlm->dlm_member_ad->ad_cname;
203 mod.sm_values = vals;
204 mod.sm_nvalues = nvals;
205 mod.sm_numvals = 1;
206
207 (void)modify_add_values( e, &mod, /* permissive */ 1,
208 &text, textbuf, sizeof( textbuf ) );
209 }
210
211 goto done;
212 }
213
214 #ifndef SLAP_OPATTRS
215 opattrs = ( rs->sr_attrs == NULL ) ? 0 : an_find( rs->sr_attrs, &AllOper );
216 userattrs = ( rs->sr_attrs == NULL ) ? 1 : an_find( rs->sr_attrs, &AllUser );
217 #else /* SLAP_OPATTRS */
218 opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
219 userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
220 #endif /* SLAP_OPATTRS */
221
222 for ( a = rs->sr_entry->e_attrs; a != NULL; a = a->a_next ) {
223 BerVarray vals, nvals = NULL;
224 int i, j,
225 is_oc = a->a_desc == slap_schema.si_ad_objectClass;
226
227 /* if attribute is not requested, skip it */
228 if ( rs->sr_attrs == NULL ) {
229 if ( is_at_operational( a->a_desc->ad_type ) ) {
230 continue;
231 }
232
233 } else {
234 if ( is_at_operational( a->a_desc->ad_type ) ) {
235 if ( !opattrs && !ad_inlist( a->a_desc, rs->sr_attrs ) )
236 {
237 continue;
238 }
239
240 } else {
241 if ( !userattrs && !ad_inlist( a->a_desc, rs->sr_attrs ) )
242 {
243 continue;
244 }
245 }
246 }
247
248 /* test access to attribute */
249 if ( op->ors_attrsonly ) {
250 if ( !access_allowed( op, rs->sr_entry, a->a_desc, NULL,
251 ACL_READ, &acl_state ) )
252 {
253 continue;
254 }
255 }
256
257 /* single-value check: keep first only */
258 if ( is_at_single_value( a->a_desc->ad_type ) ) {
259 if ( attr_find( e->e_attrs, a->a_desc ) != NULL ) {
260 continue;
261 }
262 }
263
264 /* test access to attribute */
265 i = a->a_numvals;
266
267 vals = op->o_tmpalloc( ( i + 1 ) * sizeof( struct berval ), op->o_tmpmemctx );
268 if ( a->a_nvals != a->a_vals ) {
269 nvals = op->o_tmpalloc( ( i + 1 ) * sizeof( struct berval ), op->o_tmpmemctx );
270 }
271
272 for ( i = 0, j = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
273 if ( is_oc ) {
274 ObjectClass *soc = oc_bvfind( &a->a_vals[i] );
275
276 if ( soc->soc_kind == LDAP_SCHEMA_STRUCTURAL ) {
277 continue;
278 }
279 }
280
281 if ( access_allowed( op, rs->sr_entry, a->a_desc,
282 &a->a_nvals[i], ACL_READ, &acl_state ) )
283 {
284 vals[j] = a->a_vals[i];
285 if ( nvals ) {
286 nvals[j] = a->a_nvals[i];
287 }
288 j++;
289 }
290 }
291
292 /* if access allowed, try to add values, emulating permissive
293 * control to silently ignore duplicates */
294 if ( j != 0 ) {
295 Modification mod;
296 const char *text = NULL;
297 char textbuf[1024];
298 dynlist_map_t *dlm;
299 AttributeDescription *ad;
300
301 BER_BVZERO( &vals[j] );
302 if ( nvals ) {
303 BER_BVZERO( &nvals[j] );
304 }
305
306 ad = a->a_desc;
307 for ( dlm = dlc->dlc_dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
308 if ( dlm->dlm_member_ad == a->a_desc ) {
309 ad = dlm->dlm_mapped_ad;
310 break;
311 }
312 }
313
314 mod.sm_op = LDAP_MOD_ADD;
315 mod.sm_desc = ad;
316 mod.sm_type = ad->ad_cname;
317 mod.sm_values = vals;
318 mod.sm_nvalues = nvals;
319 mod.sm_numvals = j;
320
321 (void)modify_add_values( e, &mod, /* permissive */ 1,
322 &text, textbuf, sizeof( textbuf ) );
323 }
324
325 op->o_tmpfree( vals, op->o_tmpmemctx );
326 if ( nvals ) {
327 op->o_tmpfree( nvals, op->o_tmpmemctx );
328 }
329 }
330
331 done:;
332 if ( rs->sr_flags & REP_ENTRY_MUSTBEFREED ) {
333 entry_free( rs->sr_entry );
334 rs->sr_entry = NULL;
335 rs->sr_flags ^= REP_ENTRY_MUSTBEFREED;
336 }
337
338 return 0;
339 }
340
341 static int
342 dynlist_prepare_entry( Operation *op, SlapReply *rs, dynlist_info_t *dli )
343 {
344 Attribute *a, *id = NULL;
345 slap_callback cb;
346 Operation o = *op;
347 SlapReply r = { REP_SEARCH };
348 struct berval *url;
349 Entry *e;
350 slap_mask_t e_flags;
351 int opattrs,
352 userattrs;
353 dynlist_sc_t dlc = { 0 };
354 dynlist_map_t *dlm;
355
356 a = attrs_find( rs->sr_entry->e_attrs, dli->dli_ad );
357 if ( a == NULL ) {
358 /* FIXME: error? */
359 return SLAP_CB_CONTINUE;
360 }
361
362 #ifndef SLAP_OPATTRS
363 opattrs = ( rs->sr_attrs == NULL ) ? 0 : an_find( rs->sr_attrs, &AllOper );
364 userattrs = ( rs->sr_attrs == NULL ) ? 1 : an_find( rs->sr_attrs, &AllUser );
365 #else /* SLAP_OPATTRS */
366 opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
367 userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
368 #endif /* SLAP_OPATTRS */
369
370 /* Don't generate member list if it wasn't requested */
371 for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
372 if ( userattrs ||
373 ad_inlist( dlm->dlm_member_ad, rs->sr_attrs ) )
374 break;
375 }
376 if ( dli->dli_dlm && !dlm )
377 return SLAP_CB_CONTINUE;
378
379 if ( ad_dgIdentity && ( id = attrs_find( rs->sr_entry->e_attrs, ad_dgIdentity ))) {
380 Attribute *authz = NULL;
381
382 /* if not rootdn and dgAuthz is present,
383 * check if user can be authorized as dgIdentity */
384 if ( ad_dgAuthz && !BER_BVISEMPTY( &id->a_nvals[0] ) && !be_isroot( op )
385 && ( authz = attrs_find( rs->sr_entry->e_attrs, ad_dgAuthz ) ) )
386 {
387 if ( slap_sasl_matches( op, authz->a_nvals,
388 &o.o_ndn, &o.o_ndn ) != LDAP_SUCCESS )
389 {
390 return SLAP_CB_CONTINUE;
391 }
392 }
393
394 o.o_dn = id->a_vals[0];
395 o.o_ndn = id->a_nvals[0];
396 o.o_groups = NULL;
397 }
398
399 if ( !( rs->sr_flags & REP_ENTRY_MODIFIABLE ) ) {
400 e = entry_dup( rs->sr_entry );
401 } else {
402 e = rs->sr_entry;
403 }
404 e_flags = rs->sr_flags | ( REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED );
405
406 dlc.dlc_e = e;
407 dlc.dlc_dli = dli;
408 cb.sc_private = &dlc;
409 cb.sc_response = dynlist_sc_update;
410 cb.sc_cleanup = NULL;
411 cb.sc_next = NULL;
412
413 o.o_callback = &cb;
414 o.ors_deref = LDAP_DEREF_NEVER;
415 o.ors_limit = NULL;
416 o.ors_tlimit = SLAP_NO_LIMIT;
417 o.ors_slimit = SLAP_NO_LIMIT;
418
419 for ( url = a->a_nvals; !BER_BVISNULL( url ); url++ ) {
420 LDAPURLDesc *lud = NULL;
421 int i, j;
422 struct berval dn;
423 int rc;
424 dynlist_map_t *dlm;
425
426 BER_BVZERO( &o.o_req_dn );
427 BER_BVZERO( &o.o_req_ndn );
428 o.ors_filter = NULL;
429 o.ors_attrs = NULL;
430 BER_BVZERO( &o.ors_filterstr );
431
432 if ( ldap_url_parse( url->bv_val, &lud ) != LDAP_URL_SUCCESS ) {
433 /* FIXME: error? */
434 continue;
435 }
436
437 if ( lud->lud_host != NULL ) {
438 /* FIXME: host not allowed; reject as illegal? */
439 Debug( LDAP_DEBUG_ANY, "dynlist_prepare_entry(\"%s\"): "
440 "illegal URI \"%s\"\n",
441 e->e_name.bv_val, url->bv_val, 0 );
442 goto cleanup;
443 }
444
445 if ( lud->lud_dn == NULL ) {
446 /* note that an empty base is not honored in terms
447 * of defaultSearchBase, because select_backend()
448 * is not aware of the defaultSearchBase option;
449 * this can be useful in case of a database serving
450 * the empty suffix */
451 BER_BVSTR( &dn, "" );
452
453 } else {
454 ber_str2bv( lud->lud_dn, 0, 0, &dn );
455 }
456 rc = dnPrettyNormal( NULL, &dn, &o.o_req_dn, &o.o_req_ndn, op->o_tmpmemctx );
457 if ( rc != LDAP_SUCCESS ) {
458 /* FIXME: error? */
459 goto cleanup;
460 }
461 o.ors_scope = lud->lud_scope;
462
463 for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
464 if ( dlm->dlm_mapped_ad != NULL ) {
465 break;
466 }
467 }
468
469 if ( dli->dli_dlm && !dlm ) {
470 /* if ( lud->lud_attrs != NULL ),
471 * the URL should be ignored */
472 o.ors_attrs = slap_anlist_no_attrs;
473
474 } else if ( lud->lud_attrs == NULL ) {
475 o.ors_attrs = rs->sr_attrs;
476
477 } else {
478 for ( i = 0; lud->lud_attrs[i]; i++)
479 /* just count */ ;
480
481 o.ors_attrs = op->o_tmpcalloc( i + 1, sizeof( AttributeName ), op->o_tmpmemctx );
482 for ( i = 0, j = 0; lud->lud_attrs[i]; i++) {
483 const char *text = NULL;
484
485 ber_str2bv( lud->lud_attrs[i], 0, 0, &o.ors_attrs[j].an_name );
486 o.ors_attrs[j].an_desc = NULL;
487 (void)slap_bv2ad( &o.ors_attrs[j].an_name, &o.ors_attrs[j].an_desc, &text );
488 /* FIXME: ignore errors... */
489
490 if ( rs->sr_attrs == NULL ) {
491 if ( o.ors_attrs[j].an_desc != NULL &&
492 is_at_operational( o.ors_attrs[j].an_desc->ad_type ) )
493 {
494 continue;
495 }
496
497 } else {
498 if ( o.ors_attrs[j].an_desc != NULL &&
499 is_at_operational( o.ors_attrs[j].an_desc->ad_type ) )
500 {
501 if ( !opattrs && !ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) )
502 {
503 continue;
504 }
505
506 } else {
507 if ( !userattrs &&
508 o.ors_attrs[j].an_desc != NULL &&
509 !ad_inlist( o.ors_attrs[j].an_desc, rs->sr_attrs ) )
510 {
511 continue;
512 }
513 }
514 }
515
516 j++;
517 }
518
519 if ( j == 0 ) {
520 goto cleanup;
521 }
522
523 BER_BVZERO( &o.ors_attrs[j].an_name );
524 }
525
526 if ( lud->lud_filter == NULL ) {
527 ber_dupbv_x( &o.ors_filterstr,
528 &dli->dli_default_filter, op->o_tmpmemctx );
529
530 } else {
531 struct berval flt;
532 ber_str2bv( lud->lud_filter, 0, 0, &flt );
533 if ( dynlist_make_filter( op, &flt, &o.ors_filterstr ) ) {
534 /* error */
535 goto cleanup;
536 }
537 }
538 o.ors_filter = str2filter_x( op, o.ors_filterstr.bv_val );
539 if ( o.ors_filter == NULL ) {
540 goto cleanup;
541 }
542
543 o.o_bd = select_backend( &o.o_req_ndn, 1 );
544 if ( o.o_bd && o.o_bd->be_search ) {
545 #ifdef SLAP_OPATTRS
546 r.sr_attr_flags = slap_attr_flags( o.ors_attrs );
547 #endif /* SLAP_OPATTRS */
548 (void)o.o_bd->be_search( &o, &r );
549 }
550
551 cleanup:;
552 if ( id ) {
553 slap_op_groups_free( &o );
554 }
555 if ( o.ors_filter ) {
556 filter_free_x( &o, o.ors_filter );
557 }
558 if ( o.ors_attrs && o.ors_attrs != rs->sr_attrs
559 && o.ors_attrs != slap_anlist_no_attrs )
560 {
561 op->o_tmpfree( o.ors_attrs, op->o_tmpmemctx );
562 }
563 if ( !BER_BVISNULL( &o.o_req_dn ) ) {
564 op->o_tmpfree( o.o_req_dn.bv_val, op->o_tmpmemctx );
565 }
566 if ( !BER_BVISNULL( &o.o_req_ndn ) ) {
567 op->o_tmpfree( o.o_req_ndn.bv_val, op->o_tmpmemctx );
568 }
569 assert( BER_BVISNULL( &o.ors_filterstr )
570 || o.ors_filterstr.bv_val != lud->lud_filter );
571 op->o_tmpfree( o.ors_filterstr.bv_val, op->o_tmpmemctx );
572 ldap_free_urldesc( lud );
573 }
574
575 rs->sr_entry = e;
576 rs->sr_flags = e_flags;
577
578 return SLAP_CB_CONTINUE;
579 }
580
581 static int
582 dynlist_sc_save_entry( Operation *op, SlapReply *rs )
583 {
584 /* save the entry in the private field of the callback,
585 * so it doesn't get freed (it's temporary!) */
586 if ( rs->sr_entry != NULL ) {
587 dynlist_sc_t *dlc = (dynlist_sc_t *)op->o_callback->sc_private;
588 dlc->dlc_e = rs->sr_entry;
589 rs->sr_entry = NULL;
590 }
591
592 return 0;
593 }
594
595 static int
596 dynlist_compare( Operation *op, SlapReply *rs )
597 {
598 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
599 dynlist_info_t *dli = (dynlist_info_t *)on->on_bi.bi_private;
600 Operation o = *op;
601 Entry *e = NULL;
602 dynlist_map_t *dlm;
603
604 for ( ; dli != NULL; dli = dli->dli_next ) {
605 for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next )
606 if ( op->oq_compare.rs_ava->aa_desc == dlm->dlm_member_ad )
607 break;
608
609 if ( dli->dli_dlm && dlm ) {
610 /* This compare is for one of the attributes we're
611 * interested in. We'll use slapd's existing dyngroup
612 * evaluator to get the answer we want.
613 */
614 BerVarray id = NULL, authz = NULL;
615
616 o.o_do_not_cache = 1;
617
618 if ( ad_dgIdentity && backend_attribute( &o, NULL, &o.o_req_ndn,
619 ad_dgIdentity, &id, ACL_READ ) == LDAP_SUCCESS )
620 {
621 /* if not rootdn and dgAuthz is present,
622 * check if user can be authorized as dgIdentity */
623 if ( ad_dgAuthz && !BER_BVISEMPTY( id ) && !be_isroot( op )
624 && backend_attribute( &o, NULL, &o.o_req_ndn,
625 ad_dgAuthz, &authz, ACL_READ ) == LDAP_SUCCESS )
626 {
627
628 rs->sr_err = slap_sasl_matches( op, authz,
629 &o.o_ndn, &o.o_ndn );
630 ber_bvarray_free_x( authz, op->o_tmpmemctx );
631 if ( rs->sr_err != LDAP_SUCCESS ) {
632 goto done;
633 }
634 }
635
636 o.o_dn = *id;
637 o.o_ndn = *id;
638 o.o_groups = NULL; /* authz changed, invalidate cached groups */
639 }
640
641 rs->sr_err = backend_group( &o, NULL, &o.o_req_ndn,
642 &o.oq_compare.rs_ava->aa_value, dli->dli_oc, dli->dli_ad );
643 switch ( rs->sr_err ) {
644 case LDAP_SUCCESS:
645 rs->sr_err = LDAP_COMPARE_TRUE;
646 break;
647
648 case LDAP_NO_SUCH_OBJECT:
649 /* NOTE: backend_group() returns noSuchObject
650 * if op_ndn does not exist; however, since
651 * dynamic list expansion means that the
652 * member attribute is virtually present, the
653 * non-existence of the asserted value implies
654 * the assertion is FALSE rather than
655 * UNDEFINED */
656 rs->sr_err = LDAP_COMPARE_FALSE;
657 break;
658 }
659
660 done:;
661 if ( id ) ber_bvarray_free_x( id, o.o_tmpmemctx );
662
663 return SLAP_CB_CONTINUE;
664 }
665 }
666
667 if ( overlay_entry_get_ov( &o, &o.o_req_ndn, NULL, NULL, 0, &e, on ) !=
668 LDAP_SUCCESS || e == NULL )
669 {
670 return SLAP_CB_CONTINUE;
671 }
672
673 if ( ad_dgIdentity ) {
674 Attribute *id = attrs_find( e->e_attrs, ad_dgIdentity );
675 if ( id ) {
676 Attribute *authz;
677
678 /* if not rootdn and dgAuthz is present,
679 * check if user can be authorized as dgIdentity */
680 if ( ad_dgAuthz && !BER_BVISEMPTY( &id->a_nvals[0] ) && !be_isroot( op )
681 && ( authz = attrs_find( e->e_attrs, ad_dgAuthz ) ) )
682 {
683 if ( slap_sasl_matches( op, authz->a_nvals,
684 &o.o_ndn, &o.o_ndn ) != LDAP_SUCCESS )
685 {
686 goto release;
687 }
688 }
689
690 o.o_dn = id->a_vals[0];
691 o.o_ndn = id->a_nvals[0];
692 o.o_groups = NULL;
693 }
694 }
695
696 dli = (dynlist_info_t *)on->on_bi.bi_private;
697 for ( ; dli != NULL && rs->sr_err != LDAP_COMPARE_TRUE; dli = dli->dli_next ) {
698 Attribute *a;
699 slap_callback cb;
700 SlapReply r = { REP_SEARCH };
701 AttributeName an[2];
702 int rc;
703 dynlist_sc_t dlc = { 0 };
704
705 if ( !is_entry_objectclass_or_sub( e, dli->dli_oc ))
706 continue;
707
708 /* if the entry has the right objectClass, generate
709 * the dynamic list and compare */
710 dlc.dlc_dli = dli;
711 cb.sc_private = &dlc;
712 cb.sc_response = dynlist_sc_save_entry;
713 cb.sc_cleanup = NULL;
714 cb.sc_next = NULL;
715 o.o_callback = &cb;
716
717 o.o_tag = LDAP_REQ_SEARCH;
718 o.ors_limit = NULL;
719 o.ors_tlimit = SLAP_NO_LIMIT;
720 o.ors_slimit = SLAP_NO_LIMIT;
721
722 o.o_bd = select_backend( &o.o_req_ndn, 1 );
723 if ( !o.o_bd || !o.o_bd->be_search ) {
724 goto release;
725 }
726
727 o.ors_filterstr = *slap_filterstr_objectClass_pres;
728 o.ors_filter = (Filter *) slap_filter_objectClass_pres;
729
730 o.ors_scope = LDAP_SCOPE_BASE;
731 o.ors_deref = LDAP_DEREF_NEVER;
732 an[0].an_name = op->orc_ava->aa_desc->ad_cname;
733 an[0].an_desc = op->orc_ava->aa_desc;
734 BER_BVZERO( &an[1].an_name );
735 o.ors_attrs = an;
736 o.ors_attrsonly = 0;
737
738 o.o_acl_priv = ACL_COMPARE;
739
740 rc = o.o_bd->be_search( &o, &r );
741
742 if ( o.o_dn.bv_val != op->o_dn.bv_val ) {
743 slap_op_groups_free( &o );
744 }
745
746 if ( rc != 0 ) {
747 goto release;
748 }
749
750 if ( dlc.dlc_e != NULL ) {
751 r.sr_entry = dlc.dlc_e;
752 }
753
754 if ( r.sr_err != LDAP_SUCCESS || r.sr_entry == NULL ) {
755 /* error? */
756 goto release;
757 }
758
759 for ( a = attrs_find( r.sr_entry->e_attrs, op->orc_ava->aa_desc );
760 a != NULL;
761 a = attrs_find( a->a_next, op->orc_ava->aa_desc ) )
762 {
763 /* if we're here, we got a match... */
764 rs->sr_err = LDAP_COMPARE_FALSE;
765
766 if ( attr_valfind( a,
767 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
768 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
769 &op->orc_ava->aa_value, NULL, op->o_tmpmemctx ) == 0 )
770 {
771 rs->sr_err = LDAP_COMPARE_TRUE;
772 break;
773 }
774 }
775
776 if ( r.sr_flags & REP_ENTRY_MUSTBEFREED ) {
777 entry_free( r.sr_entry );
778 }
779 }
780
781 release:;
782 if ( e != NULL ) {
783 overlay_entry_release_ov( op, e, 0, on );
784 }
785
786 return SLAP_CB_CONTINUE;
787 }
788
789 static int
790 dynlist_response( Operation *op, SlapReply *rs )
791 {
792 dynlist_info_t *dli;
793
794 switch ( op->o_tag ) {
795 case LDAP_REQ_SEARCH:
796 if ( rs->sr_type == REP_SEARCH && !get_manageDSAit( op ) )
797 {
798 int rc = LDAP_OTHER;
799
800 for ( dli = dynlist_is_dynlist_next( op, rs, NULL );
801 dli;
802 dli = dynlist_is_dynlist_next( op, rs, dli ) )
803 {
804 rc = dynlist_prepare_entry( op, rs, dli );
805 }
806
807 if ( rc != LDAP_OTHER ) {
808 return rc;
809 }
810 }
811 break;
812
813 case LDAP_REQ_COMPARE:
814 switch ( rs->sr_err ) {
815 /* NOTE: we waste a few cycles running the dynamic list
816 * also when the result is FALSE, which occurs if the
817 * dynamic entry itself contains the AVA attribute */
818 /* FIXME: this approach is less than optimal; a dedicated
819 * compare op should be implemented, that fetches the
820 * entry, checks if it has the appropriate objectClass
821 * and, in case, runs a compare thru all the URIs,
822 * stopping at the first positive occurrence; see ITS#3756 */
823 case LDAP_COMPARE_FALSE:
824 case LDAP_NO_SUCH_ATTRIBUTE:
825 return dynlist_compare( op, rs );
826 }
827 break;
828
829 default:
830 break;
831 }
832
833 return SLAP_CB_CONTINUE;
834 }
835
836 static int
837 dynlist_build_def_filter( dynlist_info_t *dli )
838 {
839 char *ptr;
840
841 dli->dli_default_filter.bv_len = STRLENOF( "(!(objectClass=" "))" )
842 + dli->dli_oc->soc_cname.bv_len;
843 dli->dli_default_filter.bv_val = ch_malloc( dli->dli_default_filter.bv_len + 1 );
844 if ( dli->dli_default_filter.bv_val == NULL ) {
845 Debug( LDAP_DEBUG_ANY, "dynlist_db_open: malloc failed.\n",
846 0, 0, 0 );
847 return -1;
848 }
849
850 ptr = lutil_strcopy( dli->dli_default_filter.bv_val, "(!(objectClass=" );
851 ptr = lutil_strcopy( ptr, dli->dli_oc->soc_cname.bv_val );
852 ptr = lutil_strcopy( ptr, "))" );
853
854 assert( dli->dli_default_filter.bv_len == ptr - dli->dli_default_filter.bv_val );
855
856 return 0;
857 }
858
859 #ifdef OL_2_2_COMPAT
860 static int
861 dynlist_db_config(
862 BackendDB *be,
863 const char *fname,
864 int lineno,
865 int argc,
866 char **argv )
867 {
868 slap_overinst *on = (slap_overinst *)be->bd_info;
869
870 int rc = 0;
871
872 if ( strcasecmp( argv[0], "dynlist-attrset" ) == 0 ) {
873 dynlist_info_t **dlip;
874 ObjectClass *oc;
875 AttributeDescription *ad = NULL,
876 *member_ad = NULL;
877 dynlist_map_t *dlm = NULL;
878 const char *text;
879
880 if ( argc < 3 ) {
881 Debug( LDAP_DEBUG_ANY, "%s: line %d: " DYNLIST_USAGE
882 "invalid arg number #%d.\n",
883 fname, lineno, argc );
884 return 1;
885 }
886
887 oc = oc_find( argv[1] );
888 if ( oc == NULL ) {
889 Debug( LDAP_DEBUG_ANY, "%s: line %d: " DYNLIST_USAGE
890 "unable to find ObjectClass \"%s\"\n",
891 fname, lineno, argv[ 1 ] );
892 return 1;
893 }
894
895 rc = slap_str2ad( argv[2], &ad, &text );
896 if ( rc != LDAP_SUCCESS ) {
897 Debug( LDAP_DEBUG_ANY, "%s: line %d: " DYNLIST_USAGE
898 "unable to find AttributeDescription \"%s\"\n",
899 fname, lineno, argv[2] );
900 return 1;
901 }
902
903 if ( !is_at_subtype( ad->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
904 Debug( LDAP_DEBUG_ANY, "%s: line %d: " DYNLIST_USAGE
905 "AttributeDescription \"%s\" "
906 "must be a subtype of \"labeledURI\"\n",
907 fname, lineno, argv[2] );
908 return 1;
909 }
910
911 for ( i = 3; i < argc; i++ ) {
912 char *arg;
913 char *cp;
914 AttributeDescription *member_ad = NULL;
915 AttributeDescription *mapped_ad = NULL;
916 dynlist_map_t *dlmp;
917 dynlist_map_t *dlml;
918
919
920 /*
921 * If no mapped attribute is given, dn is used
922 * for backward compatibility.
923 */
924 arg = argv[i];
925 if ( cp = strchr( arg, (int)':' ) != NULL ) {
926 struct berval bv;
927 ber_str2bv( arg, cp - arg, 0, &bv );
928 rc = slap_bv2ad( &bv, &mapped_ad, &text );
929 if ( rc != LDAP_SUCCESS ) {
930 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
931 DYNLIST_USAGE
932 "unable to find mapped AttributeDescription \"%s\"\n",
933 fname, lineno, arg );
934 return 1;
935 }
936
937 arg = cp + 1;
938 }
939
940 rc = slap_str2ad( arg, &member_ad, &text );
941 if ( rc != LDAP_SUCCESS ) {
942 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
943 DYNLIST_USAGE
944 "unable to find AttributeDescription \"%s\"\n",
945 fname, lineno, arg );
946 return 1;
947 }
948
949 dlmp = (dynlist_map_t *)ch_calloc( 1, sizeof( dynlist_map_t ) );
950 if ( dlm == NULL ) {
951 dlm = dlmp;
952 dlml = NULL;
953 }
954 dlmp->dlm_member_ad = member_ad;
955 dlmp->dlm_mapped_ad = mapped_ad;
956 dlmp->dlm_next = NULL;
957
958 if ( dlml != NULL )
959 dlml->dlm_next = dlmp;
960 dlml = dlmp;
961 }
962
963 for ( dlip = (dynlist_info_t **)&on->on_bi.bi_private;
964 *dlip; dlip = &(*dlip)->dli_next )
965 {
966 /*
967 * The same URL attribute / member attribute pair
968 * cannot be repeated, but we enforce this only
969 * when the member attribute is unique. Performing
970 * the check for multiple values would require
971 * sorting and comparing the lists, which is left
972 * as a future improvement
973 */
974 if ( (*dlip)->dli_ad == ad &&
975 (*dlip)->dli_dlm->dlm_next == NULL &&
976 dlm->dlm_next == NULL &&
977 dlm->dlm_member_ad == (*dlip)->dli_dlm->dlm_member_ad &&
978 dlm->dlm_mapped_ad == (*dlip)->dli_dlm->dlm_mapped_ad ) {
979 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
980 DYNLIST_USAGE
981 "URL attributeDescription \"%s\" already mapped.\n",
982 fname, lineno, ad->ad_cname.bv_val );
983 #if 0
984 /* make it a warning... */
985 return 1;
986 #endif
987 }
988 }
989
990 *dlip = (dynlist_info_t *)ch_calloc( 1, sizeof( dynlist_info_t ) );
991 (*dlip)->dli_oc = oc;
992 (*dlip)->dli_ad = ad;
993 (*dlip)->dli_dlm = dlm;
994
995 if ( dynlist_build_def_filter( *dlip ) ) {
996 dynlist_map_t *dlm = (*dlip)->ldi_dlm;
997 dynlist_map_t *dlm_next;
998
999 while ( dlm != NULL ) {
1000 dlm_next = dlm->dlm_next;
1001 ch_free( dlm );
1002 dlm = dlm_next;
1003 }
1004
1005 ch_free( *dlip );
1006 *dlip = NULL;
1007 return 1;
1008 }
1009
1010 /* allow dyngroup syntax */
1011 } else if ( strcasecmp( argv[0], "dynlist-attrpair" ) == 0 ) {
1012 dynlist_info_t **dlip;
1013 ObjectClass *oc;
1014 AttributeDescription *ad = NULL,
1015 *member_ad = NULL;
1016 const char *text;
1017
1018 if ( argc != 3 ) {
1019 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1020 "\"dynlist-attrpair <member-ad> <URL-ad>\": "
1021 "invalid arg number #%d.\n",
1022 fname, lineno, argc );
1023 return 1;
1024 }
1025
1026 oc = oc_find( "groupOfURLs" );
1027 if ( oc == NULL ) {
1028 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1029 "\"dynlist-attrpair <member-ad> <URL-ad>\": "
1030 "unable to find default ObjectClass \"groupOfURLs\"\n",
1031 fname, lineno, 0 );
1032 return 1;
1033 }
1034
1035 rc = slap_str2ad( argv[1], &member_ad, &text );
1036 if ( rc != LDAP_SUCCESS ) {
1037 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1038 "\"dynlist-attrpair <member-ad> <URL-ad>\": "
1039 "unable to find AttributeDescription \"%s\"\n",
1040 fname, lineno, argv[1] );
1041 return 1;
1042 }
1043
1044 rc = slap_str2ad( argv[2], &ad, &text );
1045 if ( rc != LDAP_SUCCESS ) {
1046 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1047 "\"dynlist-attrpair <member-ad> <URL-ad>\": "
1048 "unable to find AttributeDescription \"%s\"\n",
1049 fname, lineno, argv[2] );
1050 return 1;
1051 }
1052
1053 if ( !is_at_subtype( ad->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
1054 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1055 "\"dynlist-attrpair <member-ad> <URL-ad>\": "
1056 "AttributeDescription \"%s\" "
1057 "must be a subtype of \"labeledURI\"\n",
1058 fname, lineno, argv[2] );
1059 return 1;
1060 }
1061
1062 for ( dlip = (dynlist_info_t **)&on->on_bi.bi_private;
1063 *dlip; dlip = &(*dlip)->dli_next )
1064 {
1065 /*
1066 * The same URL attribute / member attribute pair
1067 * cannot be repeated, but we enforce this only
1068 * when the member attribute is unique. Performing
1069 * the check for multiple values would require
1070 * sorting and comparing the lists, which is left
1071 * as a future improvement
1072 */
1073 if ( (*dlip)->dli_ad == ad &&
1074 (*dlip)->dli_dlm->dlm_next == NULL &&
1075 member_ad == (*dlip)->dli_dlm->dlm_member_ad ) {
1076 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1077 "\"dynlist-attrpair <member-ad> <URL-ad>\": "
1078 "URL attributeDescription \"%s\" already mapped.\n",
1079 fname, lineno, ad->ad_cname.bv_val );
1080 #if 0
1081 /* make it a warning... */
1082 return 1;
1083 #endif
1084 }
1085 }
1086
1087 *dlip = (dynlist_info_t *)ch_calloc( 1, sizeof( dynlist_info_t ) );
1088 (*dlip)->dli_oc = oc;
1089 (*dlip)->dli_ad = ad;
1090 (*dlip)->dli_dlm = (dynlist_map_t *)ch_calloc( 1, sizeof( dynlist_map_t ) );
1091 (*dlip)->dli_dlm->dlm_member_ad = member_ad;
1092 (*dlip)->dli_dlm->dlm_mapped_ad = NULL;
1093
1094 if ( dynlist_build_def_filter( *dlip ) ) {
1095 ch_free( (*dlip)->dli_dlm );
1096 ch_free( *dlip );
1097 *dlip = NULL;
1098 return 1;
1099 }
1100
1101 } else {
1102 rc = SLAP_CONF_UNKNOWN;
1103 }
1104
1105 return rc;
1106 }
1107
1108 #else
1109 enum {
1110 DL_ATTRSET = 1,
1111 DL_ATTRPAIR,
1112 DL_ATTRPAIR_COMPAT,
1113 DL_LAST
1114 };
1115
1116 static ConfigDriver dl_cfgen;
1117
1118 /* XXXmanu 255 is the maximum arguments we allow. Can we go beyond? */
1119 static ConfigTable dlcfg[] = {
1120 { "dynlist-attrset", "group-oc> <URL-ad> <member-ad",
1121 3, 255, 0, ARG_MAGIC|DL_ATTRSET, dl_cfgen,
1122 "( OLcfgOvAt:8.1 NAME 'olcDLattrSet' "
1123 "DESC 'Dynamic list: <group objectClass>, <URL attributeDescription>, <member attributeDescription>' "
1124 "EQUALITY caseIgnoreMatch "
1125 "SYNTAX OMsDirectoryString "
1126 "X-ORDERED 'VALUES' )",
1127 NULL, NULL },
1128 { "dynlist-attrpair", "member-ad> <URL-ad",
1129 3, 3, 0, ARG_MAGIC|DL_ATTRPAIR, dl_cfgen,
1130 NULL, NULL, NULL },
1131 #ifdef TAKEOVER_DYNGROUP
1132 { "attrpair", "member-ad> <URL-ad",
1133 3, 3, 0, ARG_MAGIC|DL_ATTRPAIR_COMPAT, dl_cfgen,
1134 NULL, NULL, NULL },
1135 #endif
1136 { NULL, NULL, 0, 0, 0, ARG_IGNORED }
1137 };
1138
1139 static ConfigOCs dlocs[] = {
1140 { "( OLcfgOvOc:8.1 "
1141 "NAME 'olcDynamicList' "
1142 "DESC 'Dynamic list configuration' "
1143 "SUP olcOverlayConfig "
1144 "MAY olcDLattrSet )",
1145 Cft_Overlay, dlcfg, NULL, NULL },
1146 { NULL, 0, NULL }
1147 };
1148
1149 static int
1150 dl_cfgen( ConfigArgs *c )
1151 {
1152 slap_overinst *on = (slap_overinst *)c->bi;
1153 dynlist_info_t *dli = (dynlist_info_t *)on->on_bi.bi_private;
1154
1155 int rc = 0, i;
1156
1157 if ( c->op == SLAP_CONFIG_EMIT ) {
1158 switch( c->type ) {
1159 case DL_ATTRSET:
1160 for ( i = 0; dli; i++, dli = dli->dli_next ) {
1161 struct berval bv;
1162 char *ptr = c->cr_msg;
1163 dynlist_map_t *dlm;
1164
1165 assert( dli->dli_oc != NULL );
1166 assert( dli->dli_ad != NULL );
1167
1168 ptr += snprintf( c->cr_msg, sizeof( c->cr_msg ),
1169 SLAP_X_ORDERED_FMT "%s %s", i,
1170 dli->dli_oc->soc_cname.bv_val,
1171 dli->dli_ad->ad_cname.bv_val );
1172
1173 for ( dlm = dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
1174 ptr[ 0 ] = ' ';
1175 ptr++;
1176 if ( dlm->dlm_mapped_ad ) {
1177 ptr = lutil_strcopy( ptr, dlm->dlm_mapped_ad->ad_cname.bv_val );
1178 ptr[ 0 ] = ':';
1179 ptr++;
1180 }
1181
1182 ptr = lutil_strcopy( ptr, dlm->dlm_member_ad->ad_cname.bv_val );
1183 }
1184
1185 bv.bv_val = c->cr_msg;
1186 bv.bv_len = ptr - bv.bv_val;
1187 value_add_one( &c->rvalue_vals, &bv );
1188 }
1189 break;
1190
1191 case DL_ATTRPAIR_COMPAT:
1192 case DL_ATTRPAIR:
1193 rc = 1;
1194 break;
1195
1196 default:
1197 rc = 1;
1198 break;
1199 }
1200
1201 return rc;
1202
1203 } else if ( c->op == LDAP_MOD_DELETE ) {
1204 switch( c->type ) {
1205 case DL_ATTRSET:
1206 if ( c->valx < 0 ) {
1207 dynlist_info_t *dli_next;
1208
1209 for ( dli_next = dli; dli_next; dli = dli_next ) {
1210 dynlist_map_t *dlm = dli->dli_dlm;
1211 dynlist_map_t *dlm_next;
1212
1213 dli_next = dli->dli_next;
1214
1215 ch_free( dli->dli_default_filter.bv_val );
1216
1217 while ( dlm != NULL ) {
1218 dlm_next = dlm->dlm_next;
1219 ch_free( dlm );
1220 dlm = dlm_next;
1221 }
1222 ch_free( dli );
1223 }
1224
1225 on->on_bi.bi_private = NULL;
1226
1227 } else {
1228 dynlist_info_t **dlip;
1229 dynlist_map_t *dlm;
1230 dynlist_map_t *dlm_next;
1231
1232 for ( i = 0, dlip = (dynlist_info_t **)&on->on_bi.bi_private;
1233 i < c->valx; i++ )
1234 {
1235 if ( *dlip == NULL ) {
1236 return 1;
1237 }
1238 dlip = &(*dlip)->dli_next;
1239 }
1240
1241 dli = *dlip;
1242 *dlip = dli->dli_next;
1243 ch_free( dli->dli_default_filter.bv_val );
1244
1245 dlm = dli->dli_dlm;
1246 while ( dlm != NULL ) {
1247 dlm_next = dlm->dlm_next;
1248 ch_free( dlm );
1249 dlm = dlm_next;
1250 }
1251 ch_free( dli );
1252
1253 dli = (dynlist_info_t *)on->on_bi.bi_private;
1254 }
1255 break;
1256
1257 case DL_ATTRPAIR_COMPAT:
1258 case DL_ATTRPAIR:
1259 rc = 1;
1260 break;
1261
1262 default:
1263 rc = 1;
1264 break;
1265 }
1266
1267 return rc;
1268 }
1269
1270 switch( c->type ) {
1271 case DL_ATTRSET: {
1272 dynlist_info_t **dlip,
1273 *dli_next = NULL;
1274 ObjectClass *oc = NULL;
1275 AttributeDescription *ad = NULL;
1276 dynlist_map_t *dlm = NULL;
1277 const char *text;
1278
1279 oc = oc_find( c->argv[ 1 ] );
1280 if ( oc == NULL ) {
1281 snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
1282 "unable to find ObjectClass \"%s\"",
1283 c->argv[ 1 ] );
1284 Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
1285 c->log, c->cr_msg, 0 );
1286 return 1;
1287 }
1288
1289 rc = slap_str2ad( c->argv[ 2 ], &ad, &text );
1290 if ( rc != LDAP_SUCCESS ) {
1291 snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
1292 "unable to find AttributeDescription \"%s\"",
1293 c->argv[ 2 ] );
1294 Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
1295 c->log, c->cr_msg, 0 );
1296 return 1;
1297 }
1298
1299 if ( !is_at_subtype( ad->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
1300 snprintf( c->cr_msg, sizeof( c->cr_msg ), DYNLIST_USAGE
1301 "AttributeDescription \"%s\" "
1302 "must be a subtype of \"labeledURI\"",
1303 c->argv[ 2 ] );
1304 Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
1305 c->log, c->cr_msg, 0 );
1306 return 1;
1307 }
1308
1309 for ( i = 3; i < c->argc; i++ ) {
1310 char *arg;
1311 char *cp;
1312 AttributeDescription *member_ad = NULL;
1313 AttributeDescription *mapped_ad = NULL;
1314 dynlist_map_t *dlmp;
1315 dynlist_map_t *dlml;
1316
1317
1318 /*
1319 * If no mapped attribute is given, dn is used
1320 * for backward compatibility.
1321 */
1322 arg = c->argv[i];
1323 if ( ( cp = strchr( arg, ':' ) ) != NULL ) {
1324 struct berval bv;
1325 ber_str2bv( arg, cp - arg, 0, &bv );
1326 rc = slap_bv2ad( &bv, &mapped_ad, &text );
1327 if ( rc != LDAP_SUCCESS ) {
1328 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1329 DYNLIST_USAGE
1330 "unable to find mapped AttributeDescription #%d \"%s\"\n",
1331 i - 3, c->argv[ i ] );
1332 Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
1333 c->log, c->cr_msg, 0 );
1334 return 1;
1335 }
1336 arg = cp + 1;
1337 }
1338
1339 rc = slap_str2ad( arg, &member_ad, &text );
1340 if ( rc != LDAP_SUCCESS ) {
1341 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1342 DYNLIST_USAGE
1343 "unable to find AttributeDescription #%d \"%s\"\n",
1344 i - 3, c->argv[ i ] );
1345 Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
1346 c->log, c->cr_msg, 0 );
1347 return 1;
1348 }
1349
1350 dlmp = (dynlist_map_t *)ch_calloc( 1, sizeof( dynlist_map_t ) );
1351 if ( dlm == NULL ) {
1352 dlm = dlmp;
1353 dlml = NULL;
1354 }
1355 dlmp->dlm_member_ad = member_ad;
1356 dlmp->dlm_mapped_ad = mapped_ad;
1357 dlmp->dlm_next = NULL;
1358
1359 if ( dlml != NULL )
1360 dlml->dlm_next = dlmp;
1361 dlml = dlmp;
1362 }
1363
1364 if ( c->valx > 0 ) {
1365 int i;
1366
1367 for ( i = 0, dlip = (dynlist_info_t **)&on->on_bi.bi_private;
1368 i < c->valx; i++ )
1369 {
1370 if ( *dlip == NULL ) {
1371 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1372 DYNLIST_USAGE
1373 "invalid index {%d}\n",
1374 c->valx );
1375 Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
1376 c->log, c->cr_msg, 0 );
1377 return 1;
1378 }
1379 dlip = &(*dlip)->dli_next;
1380 }
1381 dli_next = *dlip;
1382
1383 } else {
1384 for ( dlip = (dynlist_info_t **)&on->on_bi.bi_private;
1385 *dlip; dlip = &(*dlip)->dli_next )
1386 /* goto last */;
1387 }
1388
1389 *dlip = (dynlist_info_t *)ch_calloc( 1, sizeof( dynlist_info_t ) );
1390
1391 (*dlip)->dli_oc = oc;
1392 (*dlip)->dli_ad = ad;
1393 (*dlip)->dli_dlm = dlm;
1394 (*dlip)->dli_next = dli_next;
1395
1396 rc = dynlist_build_def_filter( *dlip );
1397
1398 } break;
1399
1400 case DL_ATTRPAIR_COMPAT:
1401 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1402 "warning: \"attrpair\" only supported for limited "
1403 "backward compatibility with overlay \"dyngroup\"" );
1404 Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg, 0 );
1405 /* fallthru */
1406
1407 case DL_ATTRPAIR: {
1408 dynlist_info_t **dlip;
1409 ObjectClass *oc = NULL;
1410 AttributeDescription *ad = NULL,
1411 *member_ad = NULL;
1412 const char *text;
1413
1414 oc = oc_find( "groupOfURLs" );
1415 if ( oc == NULL ) {
1416 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1417 "\"dynlist-attrpair <member-ad> <URL-ad>\": "
1418 "unable to find default ObjectClass \"groupOfURLs\"" );
1419 Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
1420 c->log, c->cr_msg, 0 );
1421 return 1;
1422 }
1423
1424 rc = slap_str2ad( c->argv[ 1 ], &member_ad, &text );
1425 if ( rc != LDAP_SUCCESS ) {
1426 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1427 "\"dynlist-attrpair <member-ad> <URL-ad>\": "
1428 "unable to find AttributeDescription \"%s\"",
1429 c->argv[ 1 ] );
1430 Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
1431 c->log, c->cr_msg, 0 );
1432 return 1;
1433 }
1434
1435 rc = slap_str2ad( c->argv[ 2 ], &ad, &text );
1436 if ( rc != LDAP_SUCCESS ) {
1437 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1438 "\"dynlist-attrpair <member-ad> <URL-ad>\": "
1439 "unable to find AttributeDescription \"%s\"\n",
1440 c->argv[ 2 ] );
1441 Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
1442 c->log, c->cr_msg, 0 );
1443 return 1;
1444 }
1445
1446 if ( !is_at_subtype( ad->ad_type, slap_schema.si_ad_labeledURI->ad_type ) ) {
1447 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1448 DYNLIST_USAGE
1449 "AttributeDescription \"%s\" "
1450 "must be a subtype of \"labeledURI\"",
1451 c->argv[ 2 ] );
1452 Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
1453 c->log, c->cr_msg, 0 );
1454 return 1;
1455 }
1456
1457 for ( dlip = (dynlist_info_t **)&on->on_bi.bi_private;
1458 *dlip; dlip = &(*dlip)->dli_next )
1459 {
1460 /*
1461 * The same URL attribute / member attribute pair
1462 * cannot be repeated, but we enforce this only
1463 * when the member attribute is unique. Performing
1464 * the check for multiple values would require
1465 * sorting and comparing the lists, which is left
1466 * as a future improvement
1467 */
1468 if ( (*dlip)->dli_ad == ad &&
1469 (*dlip)->dli_dlm->dlm_next == NULL &&
1470 member_ad == (*dlip)->dli_dlm->dlm_member_ad ) {
1471 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1472 "\"dynlist-attrpair <member-ad> <URL-ad>\": "
1473 "URL attributeDescription \"%s\" already mapped.\n",
1474 ad->ad_cname.bv_val );
1475 Debug( LDAP_DEBUG_ANY, "%s: %s.\n",
1476 c->log, c->cr_msg, 0 );
1477 #if 0
1478 /* make it a warning... */
1479 return 1;
1480 #endif
1481 }
1482 }
1483
1484 *dlip = (dynlist_info_t *)ch_calloc( 1, sizeof( dynlist_info_t ) );
1485
1486 (*dlip)->dli_oc = oc;
1487 (*dlip)->dli_ad = ad;
1488 (*dlip)->dli_dlm = (dynlist_map_t *)ch_calloc( 1, sizeof( dynlist_map_t ) );
1489 (*dlip)->dli_dlm->dlm_member_ad = member_ad;
1490 (*dlip)->dli_dlm->dlm_mapped_ad = NULL;
1491
1492 rc = dynlist_build_def_filter( *dlip );
1493
1494 } break;
1495
1496 default:
1497 rc = 1;
1498 break;
1499 }
1500
1501 return rc;
1502 }
1503 #endif
1504
1505 static int
1506 dynlist_db_open(
1507 BackendDB *be,
1508 ConfigReply *cr )
1509 {
1510 slap_overinst *on = (slap_overinst *) be->bd_info;
1511 dynlist_info_t *dli = (dynlist_info_t *)on->on_bi.bi_private;
1512 ObjectClass *oc = NULL;
1513 AttributeDescription *ad = NULL;
1514 const char *text;
1515 int rc;
1516
1517 if ( dli == NULL ) {
1518 dli = ch_calloc( 1, sizeof( dynlist_info_t ) );
1519 on->on_bi.bi_private = (void *)dli;
1520 }
1521
1522 for ( ; dli; dli = dli->dli_next ) {
1523 if ( dli->dli_oc == NULL ) {
1524 if ( oc == NULL ) {
1525 oc = oc_find( "groupOfURLs" );
1526 if ( oc == NULL ) {
1527 snprintf( cr->msg, sizeof( cr->msg),
1528 "unable to fetch objectClass \"groupOfURLs\"" );
1529 Debug( LDAP_DEBUG_ANY, "dynlist_db_open: %s.\n", cr->msg, 0, 0 );
1530 return 1;
1531 }
1532 }
1533
1534 dli->dli_oc = oc;
1535 }
1536
1537 if ( dli->dli_ad == NULL ) {
1538 if ( ad == NULL ) {
1539 rc = slap_str2ad( "memberURL", &ad, &text );
1540 if ( rc != LDAP_SUCCESS ) {
1541 snprintf( cr->msg, sizeof( cr->msg),
1542 "unable to fetch attributeDescription \"memberURL\": %d (%s)",
1543 rc, text );
1544 Debug( LDAP_DEBUG_ANY, "dynlist_db_open: %s.\n", cr->msg, 0, 0 );
1545 return 1;
1546 }
1547 }
1548
1549 dli->dli_ad = ad;
1550 }
1551
1552 if ( BER_BVISNULL( &dli->dli_default_filter ) ) {
1553 rc = dynlist_build_def_filter( dli );
1554 if ( rc != 0 ) {
1555 return rc;
1556 }
1557 }
1558 }
1559
1560 if ( ad_dgIdentity == NULL ) {
1561 rc = slap_str2ad( "dgIdentity", &ad_dgIdentity, &text );
1562 if ( rc != LDAP_SUCCESS ) {
1563 snprintf( cr->msg, sizeof( cr->msg),
1564 "unable to fetch attributeDescription \"dgIdentity\": %d (%s)",
1565 rc, text );
1566 Debug( LDAP_DEBUG_ANY, "dynlist_db_open: %s\n", cr->msg, 0, 0 );
1567 /* Just a warning */
1568 }
1569 }
1570
1571 if ( ad_dgAuthz == NULL ) {
1572 rc = slap_str2ad( "dgAuthz", &ad_dgAuthz, &text );
1573 if ( rc != LDAP_SUCCESS ) {
1574 snprintf( cr->msg, sizeof( cr->msg),
1575 "unable to fetch attributeDescription \"dgAuthz\": %d (%s)",
1576 rc, text );
1577 Debug( LDAP_DEBUG_ANY, "dynlist_db_open: %s\n", cr->msg, 0, 0 );
1578 /* Just a warning */
1579 }
1580 }
1581
1582 return 0;
1583 }
1584
1585 static int
1586 dynlist_db_destroy(
1587 BackendDB *be,
1588 ConfigReply *cr )
1589 {
1590 slap_overinst *on = (slap_overinst *) be->bd_info;
1591
1592 if ( on->on_bi.bi_private ) {
1593 dynlist_info_t *dli = (dynlist_info_t *)on->on_bi.bi_private,
1594 *dli_next;
1595
1596 for ( dli_next = dli; dli_next; dli = dli_next ) {
1597 dynlist_map_t *dlm;
1598 dynlist_map_t *dlm_next;
1599
1600 dli_next = dli->dli_next;
1601
1602 ch_free( dli->dli_default_filter.bv_val );
1603 dlm = dli->dli_dlm;
1604 while ( dlm != NULL ) {
1605 dlm_next = dlm->dlm_next;
1606 ch_free( dlm );
1607 dlm = dlm_next;
1608 }
1609 ch_free( dli );
1610 }
1611 }
1612
1613 return 0;
1614 }
1615
1616 static slap_overinst dynlist = { { NULL } };
1617 #ifdef TAKEOVER_DYNGROUP
1618 static char *obsolete_names[] = {
1619 "dyngroup",
1620 NULL
1621 };
1622 #endif
1623
1624 #if SLAPD_OVER_DYNLIST == SLAPD_MOD_DYNAMIC
1625 static
1626 #endif /* SLAPD_OVER_DYNLIST == SLAPD_MOD_DYNAMIC */
1627 int
1628 dynlist_initialize(void)
1629 {
1630 #ifndef OL_2_2_COMPAT
1631 int rc = 0;
1632 #endif
1633
1634 dynlist.on_bi.bi_type = "dynlist";
1635
1636 #ifdef TAKEOVER_DYNGROUP
1637 /* makes dynlist incompatible with dyngroup */
1638 dynlist.on_bi.bi_obsolete_names = obsolete_names;
1639 #endif
1640
1641 #ifdef OL_2_2_COMPAT
1642 dynlist.on_bi.bi_db_config = dynlist_db_config;
1643 #else
1644 dynlist.on_bi.bi_db_config = config_generic_wrapper;
1645 #endif
1646 dynlist.on_bi.bi_db_open = dynlist_db_open;
1647 dynlist.on_bi.bi_db_destroy = dynlist_db_destroy;
1648
1649 dynlist.on_response = dynlist_response;
1650
1651 #ifndef OL_2_2_COMPAT
1652 dynlist.on_bi.bi_cf_ocs = dlocs;
1653
1654 rc = config_register_schema( dlcfg, dlocs );
1655 if ( rc ) {
1656 return rc;
1657 }
1658 #endif
1659
1660 return overlay_register( &dynlist );
1661 }
1662
1663 #if SLAPD_OVER_DYNLIST == SLAPD_MOD_DYNAMIC
1664 int
1665 init_module( int argc, char *argv[] )
1666 {
1667 return dynlist_initialize();
1668 }
1669 #endif
1670
1671 #endif /* SLAPD_OVER_DYNLIST */
NetBSD on the FriendlyARM MINI2440