?  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 / rwm.c
blob76c35691035160c524c4f740588edc38bc25935c
1 /* rwm.c - rewrite/remap operations */
2 /* $OpenLDAP: pkg/ldap/servers/slapd/overlays/rwm.c,v 1.70.2.10 2008/02/15 18:11:46 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 2003 Pierangelo Masarati.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
11 * Public License.
12 *
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>.
16 */
17
18 #include "portable.h"
19
20 #ifdef SLAPD_OVER_RWM
21
22 #include <stdio.h>
23
24 #include <ac/string.h>
25
26 #include "slap.h"
27 #include "config.h"
28 #include "lutil.h"
29 #include "rwm.h"
30
31 typedef struct rwm_op_state {
32 ber_tag_t r_tag;
33 struct berval ro_dn;
34 struct berval ro_ndn;
35 struct berval r_dn;
36 struct berval r_ndn;
37 AttributeName *mapped_attrs;
38 OpRequest o_request;
39 } rwm_op_state;
40
41 static int
42 rwm_db_destroy( BackendDB *be, ConfigReply *cr );
43
44 typedef struct rwm_op_cb {
45 slap_callback cb;
46 rwm_op_state ros;
47 } rwm_op_cb;
48
49 static int
50 rwm_op_cleanup( Operation *op, SlapReply *rs )
51 {
52 slap_callback *cb = op->o_callback;
53 rwm_op_state *ros = cb->sc_private;
54
55 if ( rs->sr_type == REP_RESULT || rs->sr_type == REP_EXTENDED ||
56 op->o_abandon || rs->sr_err == SLAPD_ABANDON ) {
57
58 op->o_req_dn = ros->ro_dn;
59 op->o_req_ndn = ros->ro_ndn;
60
61 if ( !BER_BVISNULL( &ros->r_dn )
62 && ros->r_dn.bv_val != ros->r_ndn.bv_val )
63 {
64 ch_free( ros->r_dn.bv_val );
65 BER_BVZERO( &ros->r_dn );
66 }
67
68 if ( !BER_BVISNULL( &ros->r_ndn ) ) {
69 ch_free( ros->r_ndn.bv_val );
70 BER_BVZERO( &ros->r_ndn );
71 }
72
73 switch( ros->r_tag ) {
74 case LDAP_REQ_COMPARE:
75 if ( op->orc_ava->aa_value.bv_val != ros->orc_ava->aa_value.bv_val )
76 op->o_tmpfree( op->orc_ava->aa_value.bv_val, op->o_tmpmemctx );
77 op->orc_ava = ros->orc_ava;
78 break;
79 case LDAP_REQ_MODIFY:
80 slap_mods_free( op->orm_modlist, 1 );
81 op->orm_modlist = ros->orm_modlist;
82 break;
83 case LDAP_REQ_MODRDN:
84 if ( op->orr_newSup != ros->orr_newSup ) {
85 ch_free( op->orr_newSup->bv_val );
86 ch_free( op->orr_nnewSup->bv_val );
87 op->o_tmpfree( op->orr_newSup, op->o_tmpmemctx );
88 op->o_tmpfree( op->orr_nnewSup, op->o_tmpmemctx );
89 op->orr_newSup = ros->orr_newSup;
90 op->orr_nnewSup = ros->orr_nnewSup;
91 }
92 break;
93 case LDAP_REQ_SEARCH:
94 ch_free( ros->mapped_attrs );
95 filter_free_x( op, op->ors_filter );
96 ch_free( op->ors_filterstr.bv_val );
97 op->ors_attrs = ros->ors_attrs;
98 op->ors_filter = ros->ors_filter;
99 op->ors_filterstr = ros->ors_filterstr;
100 break;
101 case LDAP_REQ_EXTENDED:
102 if ( op->ore_reqdata != ros->ore_reqdata ) {
103 ber_bvfree( op->ore_reqdata );
104 op->ore_reqdata = ros->ore_reqdata;
105 }
106 break;
107 default: break;
108 }
109 op->o_callback = op->o_callback->sc_next;
110 op->o_tmpfree( cb, op->o_tmpmemctx );
111 }
112
113 return SLAP_CB_CONTINUE;
114 }
115
116 static rwm_op_cb *
117 rwm_callback_get( Operation *op, SlapReply *rs )
118 {
119 rwm_op_cb *roc = NULL;
120
121 roc = op->o_tmpalloc( sizeof( struct rwm_op_cb ), op->o_tmpmemctx );
122 roc->cb.sc_cleanup = rwm_op_cleanup;
123 roc->cb.sc_response = NULL;
124 roc->cb.sc_next = op->o_callback;
125 roc->cb.sc_private = &roc->ros;
126 roc->ros.r_tag = op->o_tag;
127 roc->ros.ro_dn = op->o_req_dn;
128 roc->ros.ro_ndn = op->o_req_ndn;
129 roc->ros.o_request = op->o_request;
130 BER_BVZERO( &roc->ros.r_dn );
131 BER_BVZERO( &roc->ros.r_ndn );
132
133 return roc;
134 }
135
136
137 static int
138 rwm_op_dn_massage( Operation *op, SlapReply *rs, void *cookie,
139 rwm_op_state *ros )
140 {
141 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
142 struct ldaprwmap *rwmap =
143 (struct ldaprwmap *)on->on_bi.bi_private;
144
145 struct berval dn = BER_BVNULL,
146 ndn = BER_BVNULL;
147 int rc = 0;
148 dncookie dc;
149
150 /*
151 * Rewrite the dn if needed
152 */
153 dc.rwmap = rwmap;
154 dc.conn = op->o_conn;
155 dc.rs = rs;
156 dc.ctx = (char *)cookie;
157
158 /* NOTE: in those cases where only the ndn is available,
159 * and the caller sets op->o_req_dn = op->o_req_ndn,
160 * only rewrite the op->o_req_ndn and use it as
161 * op->o_req_dn as well */
162 ndn = op->o_req_ndn;
163 if ( op->o_req_dn.bv_val != op->o_req_ndn.bv_val ) {
164 dn = op->o_req_dn;
165 rc = rwm_dn_massage_pretty_normalize( &dc, &op->o_req_dn, &dn, &ndn );
166 } else {
167 rc = rwm_dn_massage_normalize( &dc, &op->o_req_ndn, &ndn );
168 }
169
170 if ( rc != LDAP_SUCCESS ) {
171 return rc;
172 }
173
174 if ( ( op->o_req_dn.bv_val != op->o_req_ndn.bv_val && dn.bv_val == op->o_req_dn.bv_val )
175 || ndn.bv_val == op->o_req_ndn.bv_val )
176 {
177 return LDAP_SUCCESS;
178 }
179
180 if ( op->o_req_dn.bv_val != op->o_req_ndn.bv_val ) {
181 op->o_req_dn = dn;
182 ros->r_dn = dn;
183 } else {
184 op->o_req_dn = ndn;
185 }
186 op->o_req_ndn = ndn;
187 ros->r_ndn = ndn;
188
189 return LDAP_SUCCESS;
190 }
191
192 static int
193 rwm_op_add( Operation *op, SlapReply *rs )
194 {
195 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
196 struct ldaprwmap *rwmap =
197 (struct ldaprwmap *)on->on_bi.bi_private;
198
199 int rc,
200 i;
201 Attribute **ap = NULL;
202 char *olddn = op->o_req_dn.bv_val;
203 int isupdate;
204
205 rwm_op_cb *roc = rwm_callback_get( op, rs );
206
207 rc = rwm_op_dn_massage( op, rs, "addDN", &roc->ros );
208 if ( rc != LDAP_SUCCESS ) {
209 op->o_bd->bd_info = (BackendInfo *)on->on_info;
210 send_ldap_error( op, rs, rc, "addDN massage error" );
211 return -1;
212 }
213
214 if ( olddn != op->o_req_dn.bv_val ) {
215 ber_bvreplace( &op->ora_e->e_name, &op->o_req_dn );
216 ber_bvreplace( &op->ora_e->e_nname, &op->o_req_ndn );
217 }
218
219 /* Count number of attributes in entry */
220 isupdate = be_shadow_update( op );
221 for ( i = 0, ap = &op->oq_add.rs_e->e_attrs; *ap; ) {
222 Attribute *a;
223
224 if ( (*ap)->a_desc == slap_schema.si_ad_objectClass ||
225 (*ap)->a_desc == slap_schema.si_ad_structuralObjectClass )
226 {
227 int j, last;
228
229 last = (*ap)->a_numvals - 1;
230 for ( j = 0; !BER_BVISNULL( &(*ap)->a_vals[ j ] ); j++ ) {
231 struct ldapmapping *mapping = NULL;
232
233 ( void )rwm_mapping( &rwmap->rwm_oc, &(*ap)->a_vals[ j ],
234 &mapping, RWM_MAP );
235 if ( mapping == NULL ) {
236 if ( rwmap->rwm_at.drop_missing ) {
237 /* FIXME: we allow to remove objectClasses as well;
238 * if the resulting entry is inconsistent, that's
239 * the relayed database's business...
240 */
241 ch_free( (*ap)->a_vals[ j ].bv_val );
242 if ( last > j ) {
243 (*ap)->a_vals[ j ] = (*ap)->a_vals[ last ];
244 }
245 BER_BVZERO( &(*ap)->a_vals[ last ] );
246 (*ap)->a_numvals--;
247 last--;
248 j--;
249 }
250
251 } else {
252 ch_free( (*ap)->a_vals[ j ].bv_val );
253 ber_dupbv( &(*ap)->a_vals[ j ], &mapping->m_dst );
254 }
255 }
256
257 } else if ( !isupdate && !get_relax( op ) && (*ap)->a_desc->ad_type->sat_no_user_mod )
258 {
259 goto next_attr;
260
261 } else {
262 struct ldapmapping *mapping = NULL;
263
264 ( void )rwm_mapping( &rwmap->rwm_at, &(*ap)->a_desc->ad_cname,
265 &mapping, RWM_MAP );
266 if ( mapping == NULL ) {
267 if ( rwmap->rwm_at.drop_missing ) {
268 goto cleanup_attr;
269 }
270 }
271
272 if ( (*ap)->a_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
273 || ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
274 {
275 /*
276 * FIXME: rewrite could fail; in this case
277 * the operation should give up, right?
278 */
279 rc = rwm_dnattr_rewrite( op, rs, "addAttrDN",
280 (*ap)->a_vals,
281 (*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
282 if ( rc ) {
283 goto cleanup_attr;
284 }
285
286 } else if ( (*ap)->a_desc == slap_schema.si_ad_ref ) {
287 rc = rwm_referral_rewrite( op, rs, "referralAttrDN",
288 (*ap)->a_vals,
289 (*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
290 if ( rc != LDAP_SUCCESS ) {
291 goto cleanup_attr;
292 }
293 }
294
295 if ( mapping != NULL ) {
296 assert( mapping->m_dst_ad != NULL );
297 (*ap)->a_desc = mapping->m_dst_ad;
298 }
299 }
300
301 next_attr:;
302 ap = &(*ap)->a_next;
303 continue;
304
305 cleanup_attr:;
306 /* FIXME: leaking attribute/values? */
307 a = *ap;
308
309 *ap = (*ap)->a_next;
310 attr_free( a );
311 }
312
313 op->o_callback = &roc->cb;
314
315 return SLAP_CB_CONTINUE;
316 }
317
318 static int
319 rwm_conn_init( BackendDB *be, Connection *conn )
320 {
321 slap_overinst *on = (slap_overinst *) be->bd_info;
322 struct ldaprwmap *rwmap =
323 (struct ldaprwmap *)on->on_bi.bi_private;
324
325 ( void )rewrite_session_init( rwmap->rwm_rw, conn );
326
327 return SLAP_CB_CONTINUE;
328 }
329
330 static int
331 rwm_conn_destroy( BackendDB *be, Connection *conn )
332 {
333 slap_overinst *on = (slap_overinst *) be->bd_info;
334 struct ldaprwmap *rwmap =
335 (struct ldaprwmap *)on->on_bi.bi_private;
336
337 ( void )rewrite_session_delete( rwmap->rwm_rw, conn );
338
339 return SLAP_CB_CONTINUE;
340 }
341
342 static int
343 rwm_op_bind( Operation *op, SlapReply *rs )
344 {
345 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
346 int rc;
347
348 rwm_op_cb *roc = rwm_callback_get( op, rs );
349
350 rc = rwm_op_dn_massage( op, rs, "bindDN", &roc->ros );
351 if ( rc != LDAP_SUCCESS ) {
352 op->o_bd->bd_info = (BackendInfo *)on->on_info;
353 send_ldap_error( op, rs, rc, "bindDN massage error" );
354 return -1;
355 }
356
357 op->o_callback = &roc->cb;
358
359 return SLAP_CB_CONTINUE;
360 }
361
362 static int
363 rwm_op_unbind( Operation *op, SlapReply *rs )
364 {
365 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
366 struct ldaprwmap *rwmap =
367 (struct ldaprwmap *)on->on_bi.bi_private;
368
369 rewrite_session_delete( rwmap->rwm_rw, op->o_conn );
370
371 return SLAP_CB_CONTINUE;
372 }
373
374 static int
375 rwm_op_compare( Operation *op, SlapReply *rs )
376 {
377 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
378 struct ldaprwmap *rwmap =
379 (struct ldaprwmap *)on->on_bi.bi_private;
380
381 int rc;
382 struct berval mapped_vals[2] = { BER_BVNULL, BER_BVNULL };
383
384 rwm_op_cb *roc = rwm_callback_get( op, rs );
385
386 rc = rwm_op_dn_massage( op, rs, "compareDN", &roc->ros );
387 if ( rc != LDAP_SUCCESS ) {
388 op->o_bd->bd_info = (BackendInfo *)on->on_info;
389 send_ldap_error( op, rs, rc, "compareDN massage error" );
390 return -1;
391 }
392
393 /* if the attribute is an objectClass, try to remap its value */
394 if ( op->orc_ava->aa_desc == slap_schema.si_ad_objectClass
395 || op->orc_ava->aa_desc == slap_schema.si_ad_structuralObjectClass )
396 {
397 rwm_map( &rwmap->rwm_oc, &op->orc_ava->aa_value,
398 &mapped_vals[0], RWM_MAP );
399 if ( BER_BVISNULL( &mapped_vals[0] ) || BER_BVISEMPTY( &mapped_vals[0] ) )
400 {
401 op->o_bd->bd_info = (BackendInfo *)on->on_info;
402 send_ldap_error( op, rs, LDAP_OTHER, "compare objectClass map error" );
403 return -1;
404
405 } else if ( mapped_vals[0].bv_val != op->orc_ava->aa_value.bv_val ) {
406 ber_dupbv_x( &op->orc_ava->aa_value, &mapped_vals[0],
407 op->o_tmpmemctx );
408 }
409
410 } else {
411 struct ldapmapping *mapping = NULL;
412 AttributeDescription *ad = op->orc_ava->aa_desc;
413
414 ( void )rwm_mapping( &rwmap->rwm_at, &op->orc_ava->aa_desc->ad_cname,
415 &mapping, RWM_MAP );
416 if ( mapping == NULL ) {
417 if ( rwmap->rwm_at.drop_missing ) {
418 op->o_bd->bd_info = (BackendInfo *)on->on_info;
419 send_ldap_error( op, rs, LDAP_OTHER, "compare attributeType map error" );
420 return -1;
421 }
422
423 } else {
424 assert( mapping->m_dst_ad != NULL );
425 ad = mapping->m_dst_ad;
426 }
427
428 if ( op->orc_ava->aa_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
429 || ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
430 {
431 struct berval *mapped_valsp[2];
432
433 mapped_valsp[0] = &mapped_vals[0];
434 mapped_valsp[1] = &mapped_vals[1];
435
436 mapped_vals[0] = op->orc_ava->aa_value;
437
438 rc = rwm_dnattr_rewrite( op, rs, "compareAttrDN", NULL, mapped_valsp );
439
440 if ( rc != LDAP_SUCCESS ) {
441 op->o_bd->bd_info = (BackendInfo *)on->on_info;
442 send_ldap_error( op, rs, rc, "compareAttrDN massage error" );
443 return -1;
444 }
445
446 if ( mapped_vals[ 0 ].bv_val != op->orc_ava->aa_value.bv_val ) {
447 /* NOTE: if we get here, rwm_dnattr_rewrite()
448 * already freed the old value, so now
449 * it's invalid */
450 ber_dupbv_x( &op->orc_ava->aa_value, &mapped_vals[0],
451 op->o_tmpmemctx );
452 ber_memfree_x( mapped_vals[ 0 ].bv_val, NULL );
453 }
454 }
455 op->orc_ava->aa_desc = ad;
456 }
457
458 op->o_callback = &roc->cb;
459
460 return SLAP_CB_CONTINUE;
461 }
462
463 static int
464 rwm_op_delete( Operation *op, SlapReply *rs )
465 {
466 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
467 int rc;
468
469 rwm_op_cb *roc = rwm_callback_get( op, rs );
470
471 rc = rwm_op_dn_massage( op, rs, "deleteDN", &roc->ros );
472 if ( rc != LDAP_SUCCESS ) {
473 op->o_bd->bd_info = (BackendInfo *)on->on_info;
474 send_ldap_error( op, rs, rc, "deleteDN massage error" );
475 return -1;
476 }
477
478 op->o_callback = &roc->cb;
479
480 return SLAP_CB_CONTINUE;
481 }
482
483 static int
484 rwm_op_modify( Operation *op, SlapReply *rs )
485 {
486 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
487 struct ldaprwmap *rwmap =
488 (struct ldaprwmap *)on->on_bi.bi_private;
489
490 int isupdate;
491 Modifications **mlp;
492 int rc;
493
494 rwm_op_cb *roc = rwm_callback_get( op, rs );
495
496 rc = rwm_op_dn_massage( op, rs, "modifyDN", &roc->ros );
497 if ( rc != LDAP_SUCCESS ) {
498 op->o_bd->bd_info = (BackendInfo *)on->on_info;
499 send_ldap_error( op, rs, rc, "modifyDN massage error" );
500 return -1;
501 }
502
503 isupdate = be_shadow_update( op );
504 for ( mlp = &op->orm_modlist; *mlp; ) {
505 int is_oc = 0;
506 Modifications *ml = *mlp;
507 struct ldapmapping *mapping = NULL;
508
509 /* ml points to a temporary mod until needs duplication */
510 if ( ml->sml_desc == slap_schema.si_ad_objectClass
511 || ml->sml_desc == slap_schema.si_ad_structuralObjectClass )
512 {
513 is_oc = 1;
514
515 } else if ( !isupdate && !get_relax( op ) && ml->sml_desc->ad_type->sat_no_user_mod )
516 {
517 ml = ch_malloc( sizeof( Modifications ) );
518 *ml = **mlp;
519 if ( (*mlp)->sml_values ) {
520 ber_bvarray_dup_x( &ml->sml_values, (*mlp)->sml_values, NULL );
521 if ( (*mlp)->sml_nvalues ) {
522 ber_bvarray_dup_x( &ml->sml_nvalues, (*mlp)->sml_nvalues, NULL );
523 }
524 }
525 *mlp = ml;
526 goto next_mod;
527
528 } else {
529 int drop_missing;
530
531 drop_missing = rwm_mapping( &rwmap->rwm_at,
532 &ml->sml_desc->ad_cname,
533 &mapping, RWM_MAP );
534 if ( drop_missing || ( mapping != NULL && BER_BVISNULL( &mapping->m_dst ) ) )
535 {
536 goto cleanup_mod;
537 }
538 }
539
540 /* duplicate the modlist */
541 ml = ch_malloc( sizeof( Modifications ));
542 *ml = **mlp;
543 *mlp = ml;
544
545 if ( ml->sml_values != NULL ) {
546 int i, num;
547 struct berval *bva;
548
549 for ( num = 0; !BER_BVISNULL( &ml->sml_values[ num ] ); num++ )
550 /* count values */ ;
551
552 bva = ch_malloc( (num+1) * sizeof( struct berval ));
553 for (i=0; i<num; i++)
554 ber_dupbv( &bva[i], &ml->sml_values[i] );
555 BER_BVZERO( &bva[i] );
556 ml->sml_values = bva;
557
558 if ( ml->sml_nvalues ) {
559 bva = ch_malloc( (num+1) * sizeof( struct berval ));
560 for (i=0; i<num; i++)
561 ber_dupbv( &bva[i], &ml->sml_nvalues[i] );
562 BER_BVZERO( &bva[i] );
563 ml->sml_nvalues = bva;
564 }
565
566 if ( is_oc ) {
567 int last, j;
568
569 last = num-1;
570
571 for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) {
572 struct ldapmapping *oc_mapping = NULL;
573
574 ( void )rwm_mapping( &rwmap->rwm_oc, &ml->sml_values[ j ],
575 &oc_mapping, RWM_MAP );
576 if ( oc_mapping == NULL ) {
577 if ( rwmap->rwm_at.drop_missing ) {
578 /* FIXME: we allow to remove objectClasses as well;
579 * if the resulting entry is inconsistent, that's
580 * the relayed database's business...
581 */
582 if ( last > j ) {
583 ch_free( ml->sml_values[ j ].bv_val );
584 ml->sml_values[ j ] = ml->sml_values[ last ];
585 }
586 BER_BVZERO( &ml->sml_values[ last ] );
587 last--;
588 j--;
589 }
590
591 } else {
592 ch_free( ml->sml_values[ j ].bv_val );
593 ber_dupbv( &ml->sml_values[ j ], &oc_mapping->m_dst );
594 }
595 }
596
597 } else {
598 if ( ml->sml_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
599 || ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
600 {
601 rc = rwm_dnattr_rewrite( op, rs, "modifyAttrDN",
602 ml->sml_values,
603 ml->sml_nvalues ? &ml->sml_nvalues : NULL );
604
605 } else if ( ml->sml_desc == slap_schema.si_ad_ref ) {
606 rc = rwm_referral_rewrite( op, rs,
607 "referralAttrDN",
608 ml->sml_values,
609 ml->sml_nvalues ? &ml->sml_nvalues : NULL );
610 if ( rc != LDAP_SUCCESS ) {
611 goto cleanup_mod;
612 }
613 }
614
615 if ( rc != LDAP_SUCCESS ) {
616 goto cleanup_mod;
617 }
618 }
619 }
620
621 next_mod:;
622 if ( mapping != NULL ) {
623 /* use new attribute description */
624 assert( mapping->m_dst_ad != NULL );
625 ml->sml_desc = mapping->m_dst_ad;
626 }
627
628 mlp = &ml->sml_next;
629 continue;
630
631 cleanup_mod:;
632 ml = *mlp;
633 *mlp = (*mlp)->sml_next;
634 slap_mod_free( &ml->sml_mod, 0 );
635 free( ml );
636 }
637
638 op->o_callback = &roc->cb;
639
640 return SLAP_CB_CONTINUE;
641 }
642
643 static int
644 rwm_op_modrdn( Operation *op, SlapReply *rs )
645 {
646 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
647 struct ldaprwmap *rwmap =
648 (struct ldaprwmap *)on->on_bi.bi_private;
649
650 int rc;
651
652 rwm_op_cb *roc = rwm_callback_get( op, rs );
653
654 if ( op->orr_newSup ) {
655 dncookie dc;
656 struct berval nnewSup = BER_BVNULL;
657 struct berval newSup = BER_BVNULL;
658
659 /*
660 * Rewrite the new superior, if defined and required
661 */
662 dc.rwmap = rwmap;
663 dc.conn = op->o_conn;
664 dc.rs = rs;
665 dc.ctx = "newSuperiorDN";
666 newSup = *op->orr_newSup;
667 nnewSup = *op->orr_nnewSup;
668 rc = rwm_dn_massage_pretty_normalize( &dc, op->orr_newSup, &newSup, &nnewSup );
669 if ( rc != LDAP_SUCCESS ) {
670 op->o_bd->bd_info = (BackendInfo *)on->on_info;
671 send_ldap_error( op, rs, rc, "newSuperiorDN massage error" );
672 return -1;
673 }
674
675 if ( op->orr_newSup->bv_val != newSup.bv_val ) {
676 op->orr_newSup = op->o_tmpalloc( sizeof( struct berval ),
677 op->o_tmpmemctx );
678 op->orr_nnewSup = op->o_tmpalloc( sizeof( struct berval ),
679 op->o_tmpmemctx );
680 *op->orr_newSup = newSup;
681 *op->orr_nnewSup = nnewSup;
682 }
683 }
684
685 /*
686 * Rewrite the dn, if needed
687 */
688 rc = rwm_op_dn_massage( op, rs, "renameDN", &roc->ros );
689 if ( rc != LDAP_SUCCESS ) {
690 op->o_bd->bd_info = (BackendInfo *)on->on_info;
691 send_ldap_error( op, rs, rc, "renameDN massage error" );
692 if ( op->orr_newSup != roc->ros.orr_newSup ) {
693 ch_free( op->orr_newSup->bv_val );
694 ch_free( op->orr_nnewSup->bv_val );
695 op->o_tmpfree( op->orr_newSup, op->o_tmpmemctx );
696 op->o_tmpfree( op->orr_nnewSup, op->o_tmpmemctx );
697 op->orr_newSup = roc->ros.orr_newSup;
698 op->orr_nnewSup = roc->ros.orr_nnewSup;
699 }
700 return -1;
701 }
702
703 /* TODO: rewrite newRDN, attribute types,
704 * values of DN-valued attributes ... */
705
706 op->o_callback = &roc->cb;
707
708 return SLAP_CB_CONTINUE;
709 }
710
711
712 static int
713 rwm_swap_attrs( Operation *op, SlapReply *rs )
714 {
715 slap_callback *cb = op->o_callback;
716 rwm_op_state *ros = cb->sc_private;
717
718 rs->sr_attrs = ros->ors_attrs;
719
720 /* other overlays might have touched op->ors_attrs,
721 * so we restore the original version here, otherwise
722 * attribute-mapping might fail */
723 op->ors_attrs = ros->mapped_attrs;
724
725 return SLAP_CB_CONTINUE;
726 }
727
728 static int
729 rwm_op_search( Operation *op, SlapReply *rs )
730 {
731 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
732 struct ldaprwmap *rwmap =
733 (struct ldaprwmap *)on->on_bi.bi_private;
734
735 int rc;
736 dncookie dc;
737
738 struct berval fstr = BER_BVNULL;
739 Filter *f = NULL;
740
741 AttributeName *an = NULL;
742
743 char *text = NULL;
744
745 rwm_op_cb *roc = rwm_callback_get( op, rs );
746
747 rc = rewrite_session_var_set( rwmap->rwm_rw, op->o_conn,
748 "searchFilter", op->ors_filterstr.bv_val );
749 if ( rc == LDAP_SUCCESS )
750 rc = rwm_op_dn_massage( op, rs, "searchDN", &roc->ros );
751 if ( rc != LDAP_SUCCESS ) {
752 text = "searchDN massage error";
753 goto error_return;
754 }
755
756 /*
757 * Rewrite the dn if needed
758 */
759 dc.rwmap = rwmap;
760 dc.conn = op->o_conn;
761 dc.rs = rs;
762 dc.ctx = "searchFilterAttrDN";
763
764 rc = rwm_filter_map_rewrite( op, &dc, op->ors_filter, &fstr );
765 if ( rc != LDAP_SUCCESS ) {
766 text = "searchFilter/searchFilterAttrDN massage error";
767 goto error_return;
768 }
769
770 f = str2filter_x( op, fstr.bv_val );
771
772 if ( f == NULL ) {
773 text = "massaged filter parse error";
774 goto error_return;
775 }
776
777 op->ors_filter = f;
778 op->ors_filterstr = fstr;
779
780 rc = rwm_map_attrnames( &rwmap->rwm_at, &rwmap->rwm_oc,
781 op->ors_attrs, &an, RWM_MAP );
782 if ( rc != LDAP_SUCCESS ) {
783 text = "attribute list mapping error";
784 goto error_return;
785 }
786
787 op->ors_attrs = an;
788 /* store the mapped Attributes for later usage, in
789 * the case that other overlays change op->ors_attrs */
790 roc->ros.mapped_attrs = an;
791 roc->cb.sc_response = rwm_swap_attrs;
792
793 op->o_callback = &roc->cb;
794
795 return SLAP_CB_CONTINUE;
796
797 error_return:;
798 if ( an != NULL ) {
799 ch_free( an );
800 }
801
802 if ( f != NULL ) {
803 filter_free_x( op, f );
804 }
805
806 if ( !BER_BVISNULL( &fstr ) ) {
807 ch_free( fstr.bv_val );
808 }
809
810 op->oq_search = roc->ros.oq_search;
811
812 op->o_bd->bd_info = (BackendInfo *)on->on_info;
813 send_ldap_error( op, rs, rc, text );
814
815 return -1;
816
817 }
818
819 static int
820 rwm_exop_passwd( Operation *op, SlapReply *rs )
821 {
822 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
823 int rc;
824 rwm_op_cb *roc;
825
826 struct berval id = BER_BVNULL,
827 pwold = BER_BVNULL,
828 pwnew = BER_BVNULL;
829 BerElement *ber = NULL;
830
831 if ( !BER_BVISNULL( &op->o_req_ndn ) ) {
832 return LDAP_SUCCESS;
833 }
834
835 if ( !SLAP_ISGLOBALOVERLAY( op->o_bd ) ) {
836 rs->sr_err = LDAP_OTHER;
837 return rs->sr_err;
838 }
839
840 rs->sr_err = slap_passwd_parse( op->ore_reqdata, &id,
841 &pwold, &pwnew, &rs->sr_text );
842 if ( rs->sr_err != LDAP_SUCCESS ) {
843 return rs->sr_err;
844 }
845
846 if ( !BER_BVISNULL( &id ) ) {
847 char idNul = id.bv_val[id.bv_len];
848 id.bv_val[id.bv_len] = '\0';
849 rs->sr_err = dnPrettyNormal( NULL, &id, &op->o_req_dn,
850 &op->o_req_ndn, op->o_tmpmemctx );
851 id.bv_val[id.bv_len] = idNul;
852 if ( rs->sr_err != LDAP_SUCCESS ) {
853 rs->sr_text = "Invalid DN";
854 return rs->sr_err;
855 }
856
857 } else {
858 ber_dupbv_x( &op->o_req_dn, &op->o_dn, op->o_tmpmemctx );
859 ber_dupbv_x( &op->o_req_ndn, &op->o_ndn, op->o_tmpmemctx );
860 }
861
862 roc = rwm_callback_get( op, rs );
863
864 rc = rwm_op_dn_massage( op, rs, "extendedDN", &roc->ros );
865 if ( rc != LDAP_SUCCESS ) {
866 op->o_bd->bd_info = (BackendInfo *)on->on_info;
867 send_ldap_error( op, rs, rc, "extendedDN massage error" );
868 return -1;
869 }
870
871 ber = ber_alloc_t( LBER_USE_DER );
872 if ( !ber ) {
873 rs->sr_err = LDAP_OTHER;
874 rs->sr_text = "No memory";
875 return rs->sr_err;
876 }
877 ber_printf( ber, "{" );
878 if ( !BER_BVISNULL( &id )) {
879 ber_printf( ber, "tO", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
880 &op->o_req_dn );
881 }
882 if ( !BER_BVISNULL( &pwold )) {
883 ber_printf( ber, "tO", LDAP_TAG_EXOP_MODIFY_PASSWD_OLD, &pwold );
884 }
885 if ( !BER_BVISNULL( &pwnew )) {
886 ber_printf( ber, "tO", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, &pwnew );
887 }
888 ber_printf( ber, "N}" );
889 ber_flatten( ber, &op->ore_reqdata );
890 ber_free( ber, 1 );
891
892 op->o_callback = &roc->cb;
893
894 return SLAP_CB_CONTINUE;
895 }
896
897 static struct exop {
898 struct berval oid;
899 BI_op_extended *extended;
900 } exop_table[] = {
901 { BER_BVC(LDAP_EXOP_MODIFY_PASSWD), rwm_exop_passwd },
902 { BER_BVNULL, NULL }
903 };
904
905 static int
906 rwm_extended( Operation *op, SlapReply *rs )
907 {
908 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
909 int rc;
910 rwm_op_cb *roc;
911
912 int i;
913
914 for ( i = 0; exop_table[i].extended != NULL; i++ ) {
915 if ( bvmatch( &exop_table[i].oid, &op->oq_extended.rs_reqoid ) )
916 {
917 rc = exop_table[i].extended( op, rs );
918 switch ( rc ) {
919 case LDAP_SUCCESS:
920 break;
921
922 case SLAP_CB_CONTINUE:
923 case SLAPD_ABANDON:
924 return rc;
925
926 default:
927 send_ldap_result( op, rs );
928 return rc;
929 }
930 break;
931 }
932 }
933
934 roc = rwm_callback_get( op, rs );
935
936 rc = rwm_op_dn_massage( op, rs, "extendedDN", &roc->ros );
937 if ( rc != LDAP_SUCCESS ) {
938 op->o_bd->bd_info = (BackendInfo *)on->on_info;
939 send_ldap_error( op, rs, rc, "extendedDN massage error" );
940 return -1;
941 }
942
943 /* TODO: rewrite/map extended data ? ... */
944 op->o_callback = &roc->cb;
945
946 return SLAP_CB_CONTINUE;
947 }
948
949 static int
950 rwm_matched( Operation *op, SlapReply *rs )
951 {
952 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
953 struct ldaprwmap *rwmap =
954 (struct ldaprwmap *)on->on_bi.bi_private;
955
956 struct berval dn, mdn;
957 dncookie dc;
958 int rc;
959
960 if ( rs->sr_matched == NULL ) {
961 return SLAP_CB_CONTINUE;
962 }
963
964 dc.rwmap = rwmap;
965 dc.conn = op->o_conn;
966 dc.rs = rs;
967 dc.ctx = "matchedDN";
968 ber_str2bv( rs->sr_matched, 0, 0, &dn );
969 mdn = dn;
970 rc = rwm_dn_massage_pretty( &dc, &dn, &mdn );
971 if ( rc != LDAP_SUCCESS ) {
972 rs->sr_err = rc;
973 rs->sr_text = "Rewrite error";
974 return 1;
975 }
976
977 if ( mdn.bv_val != dn.bv_val ) {
978 if ( rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
979 ch_free( (void *)rs->sr_matched );
980
981 } else {
982 rs->sr_flags |= REP_MATCHED_MUSTBEFREED;
983 }
984 rs->sr_matched = mdn.bv_val;
985 }
986
987 return SLAP_CB_CONTINUE;
988 }
989
990 static int
991 rwm_attrs( Operation *op, SlapReply *rs, Attribute** a_first, int stripEntryDN )
992 {
993 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
994 struct ldaprwmap *rwmap =
995 (struct ldaprwmap *)on->on_bi.bi_private;
996
997 dncookie dc;
998 int rc;
999 Attribute **ap;
1000 int isupdate;
1001 int check_duplicate_attrs = 0;
1002
1003 /*
1004 * Rewrite the dn attrs, if needed
1005 */
1006 dc.rwmap = rwmap;
1007 dc.conn = op->o_conn;
1008 dc.rs = NULL;
1009
1010 /* FIXME: the entries are in the remote mapping form;
1011 * so we need to select those attributes we are willing
1012 * to return, and remap them accordingly */
1013
1014 /* FIXME: in principle, one could map an attribute
1015 * on top of another, which already exists.
1016 * As such, in the end there might exist more than
1017 * one instance of an attribute.
1018 * We should at least check if this occurs, and issue
1019 * an error (because multiple instances of attrs in
1020 * response are not valid), or merge the values (what
1021 * about duplicate values?) */
1022 isupdate = be_shadow_update( op );
1023 for ( ap = a_first; *ap; ) {
1024 struct ldapmapping *mapping = NULL;
1025 int drop_missing;
1026 int last = -1;
1027 Attribute *a;
1028
1029 if ( SLAP_OPATTRS( rs->sr_attr_flags ) && is_at_operational( (*ap)->a_desc->ad_type ) )
1030 {
1031 /* go on */ ;
1032
1033 } else {
1034 if ( op->ors_attrs != NULL &&
1035 !SLAP_USERATTRS( rs->sr_attr_flags ) &&
1036 !ad_inlist( (*ap)->a_desc, op->ors_attrs ) )
1037 {
1038 goto cleanup_attr;
1039 }
1040
1041 drop_missing = rwm_mapping( &rwmap->rwm_at,
1042 &(*ap)->a_desc->ad_cname, &mapping, RWM_REMAP );
1043 if ( drop_missing || ( mapping != NULL && BER_BVISEMPTY( &mapping->m_dst ) ) )
1044 {
1045 goto cleanup_attr;
1046 }
1047 if ( mapping != NULL ) {
1048 assert( mapping->m_dst_ad != NULL );
1049
1050 /* try to normalize mapped Attributes if the original
1051 * AttributeType was not normalized */
1052 if ((rwmap->rwm_flags & RWM_F_NORMALIZE_MAPPED_ATTRS) &&
1053 (!(*ap)->a_desc->ad_type->sat_equality ||
1054 !(*ap)->a_desc->ad_type->sat_equality->smr_normalize) &&
1055 mapping->m_dst_ad->ad_type->sat_equality &&
1056 mapping->m_dst_ad->ad_type->sat_equality->smr_normalize )
1057 {
1058 int i = 0;
1059
1060 last = (*ap)->a_numvals;
1061 if ( last )
1062 {
1063 (*ap)->a_nvals = ch_malloc( (last+1) * sizeof(struct berval) );
1064
1065 for ( i = 0; !BER_BVISNULL( &(*ap)->a_vals[i]); i++ ) {
1066 int rc;
1067 /*
1068 * check that each value is valid per syntax
1069 * and pretty if appropriate
1070 */
1071 rc = mapping->m_dst_ad->ad_type->sat_equality->smr_normalize(
1072 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
1073 mapping->m_dst_ad->ad_type->sat_syntax,
1074 mapping->m_dst_ad->ad_type->sat_equality,
1075 &(*ap)->a_vals[i], &(*ap)->a_nvals[i],
1076 NULL );
1077
1078 if ( rc != LDAP_SUCCESS ) {
1079 BER_BVZERO( &(*ap)->a_nvals[i] );
1080 }
1081 }
1082 BER_BVZERO( &(*ap)->a_nvals[i] );
1083 }
1084 }
1085
1086 /* rewrite the attribute description */
1087 (*ap)->a_desc = mapping->m_dst_ad;
1088
1089 /* will need to check for duplicate attrs */
1090 check_duplicate_attrs++;
1091 }
1092 }
1093
1094 if ( (*ap)->a_desc == slap_schema.si_ad_entryDN ) {
1095 if ( stripEntryDN ) {
1096 /* will be generated by frontend */
1097 goto cleanup_attr;
1098 }
1099
1100 } else if ( !isupdate
1101 && !get_relax( op )
1102 && (*ap)->a_desc->ad_type->sat_no_user_mod
1103 && (*ap)->a_desc->ad_type != slap_schema.si_at_undefined )
1104 {
1105 goto next_attr;
1106 }
1107
1108 if ( last == -1 ) { /* not yet counted */
1109 last = (*ap)->a_numvals;
1110 }
1111
1112 if ( last == 0 ) {
1113 /* empty? leave it in place because of attrsonly and vlv */
1114 goto next_attr;
1115 }
1116 last--;
1117
1118 if ( (*ap)->a_desc == slap_schema.si_ad_objectClass
1119 || (*ap)->a_desc == slap_schema.si_ad_structuralObjectClass )
1120 {
1121 struct berval *bv;
1122
1123 for ( bv = (*ap)->a_vals; !BER_BVISNULL( bv ); bv++ ) {
1124 struct berval mapped;
1125
1126 rwm_map( &rwmap->rwm_oc, &bv[0], &mapped, RWM_REMAP );
1127 if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) {
1128 remove_oc:;
1129 ch_free( bv[0].bv_val );
1130 BER_BVZERO( &bv[0] );
1131 if ( &(*ap)->a_vals[last] > &bv[0] ) {
1132 bv[0] = (*ap)->a_vals[last];
1133 BER_BVZERO( &(*ap)->a_vals[last] );
1134 }
1135 last--;
1136 bv--;
1137
1138 } else if ( mapped.bv_val != bv[0].bv_val ) {
1139 int i;
1140
1141 for ( i = 0; !BER_BVISNULL( &(*ap)->a_vals[ i ] ); i++ ) {
1142 if ( &(*ap)->a_vals[ i ] == bv ) {
1143 continue;
1144 }
1145
1146 if ( ber_bvstrcasecmp( &mapped, &(*ap)->a_vals[ i ] ) == 0 ) {
1147 break;
1148 }
1149 }
1150
1151 if ( !BER_BVISNULL( &(*ap)->a_vals[ i ] ) ) {
1152 goto remove_oc;
1153 }
1154
1155 /*
1156 * FIXME: after LBER_FREEing
1157 * the value is replaced by
1158 * ch_alloc'ed memory
1159 */
1160 ber_bvreplace( &bv[0], &mapped );
1161
1162 /* FIXME: will need to check
1163 * if the structuralObjectClass
1164 * changed */
1165 }
1166 }
1167
1168 /*
1169 * It is necessary to try to rewrite attributes with
1170 * dn syntax because they might be used in ACLs as
1171 * members of groups; since ACLs are applied to the
1172 * rewritten stuff, no dn-based subject clause could
1173 * be used at the ldap backend side (see
1174 * http://www.OpenLDAP.org/faq/data/cache/452.html)
1175 * The problem can be overcome by moving the dn-based
1176 * ACLs to the target directory server, and letting
1177 * everything pass thru the ldap backend. */
1178 /* FIXME: handle distinguishedName-like syntaxes, like
1179 * nameAndOptionalUID */
1180 } else if ( (*ap)->a_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
1181 || ( mapping != NULL && mapping->m_src_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
1182 {
1183 dc.ctx = "searchAttrDN";
1184 rc = rwm_dnattr_result_rewrite( &dc, (*ap)->a_vals );
1185 if ( rc != LDAP_SUCCESS ) {
1186 goto cleanup_attr;
1187 }
1188
1189 } else if ( (*ap)->a_desc == slap_schema.si_ad_ref ) {
1190 dc.ctx = "searchAttrDN";
1191 rc = rwm_referral_result_rewrite( &dc, (*ap)->a_vals );
1192 if ( rc != LDAP_SUCCESS ) {
1193 goto cleanup_attr;
1194 }
1195 }
1196
1197
1198 next_attr:;
1199 ap = &(*ap)->a_next;
1200 continue;
1201
1202 cleanup_attr:;
1203 a = *ap;
1204 *ap = (*ap)->a_next;
1205
1206 attr_free( a );
1207 }
1208
1209 /* only check if some mapping occurred */
1210 if ( check_duplicate_attrs ) {
1211 for ( ap = a_first; *ap != NULL; ap = &(*ap)->a_next ) {
1212 Attribute **tap;
1213
1214 for ( tap = &(*ap)->a_next; *tap != NULL; ) {
1215 if ( (*tap)->a_desc == (*ap)->a_desc ) {
1216 Entry e = { 0 };
1217 Modification mod = { 0 };
1218 const char *text = NULL;
1219 char textbuf[ SLAP_TEXT_BUFLEN ];
1220 Attribute *next = (*tap)->a_next;
1221
1222 BER_BVSTR( &e.e_name, "" );
1223 BER_BVSTR( &e.e_nname, "" );
1224 e.e_attrs = *ap;
1225 mod.sm_op = LDAP_MOD_ADD;
1226 mod.sm_desc = (*ap)->a_desc;
1227 mod.sm_type = mod.sm_desc->ad_cname;
1228 mod.sm_numvals = (*tap)->a_numvals;
1229 mod.sm_values = (*tap)->a_vals;
1230 if ( (*tap)->a_nvals != (*tap)->a_vals ) {
1231 mod.sm_nvalues = (*tap)->a_nvals;
1232 }
1233
1234 (void)modify_add_values( &e, &mod,
1235 /* permissive */ 1,
1236 &text, textbuf, sizeof( textbuf ) );
1237
1238 /* should not insert new attrs! */
1239 assert( e.e_attrs == *ap );
1240
1241 attr_free( *tap );
1242 *tap = next;
1243
1244 } else {
1245 tap = &(*tap)->a_next;
1246 }
1247 }
1248 }
1249 }
1250
1251 return 0;
1252 }
1253
1254 static int
1255 rwm_send_entry( Operation *op, SlapReply *rs )
1256 {
1257 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1258 struct ldaprwmap *rwmap =
1259 (struct ldaprwmap *)on->on_bi.bi_private;
1260
1261 Entry *e = NULL;
1262 slap_mask_t flags;
1263 struct berval dn = BER_BVNULL,
1264 ndn = BER_BVNULL;
1265 dncookie dc;
1266 int rc;
1267
1268 assert( rs->sr_entry != NULL );
1269
1270 /*
1271 * Rewrite the dn of the result, if needed
1272 */
1273 dc.rwmap = rwmap;
1274 dc.conn = op->o_conn;
1275 dc.rs = NULL;
1276 dc.ctx = "searchEntryDN";
1277
1278 e = rs->sr_entry;
1279 flags = rs->sr_flags;
1280 if ( !( rs->sr_flags & REP_ENTRY_MODIFIABLE ) ) {
1281 /* FIXME: all we need to duplicate are:
1282 * - dn
1283 * - ndn
1284 * - attributes that are requested
1285 * - no values if attrsonly is set
1286 */
1287
1288 e = entry_dup( e );
1289 if ( e == NULL ) {
1290 rc = LDAP_NO_MEMORY;
1291 goto fail;
1292 }
1293
1294 flags &= ~REP_ENTRY_MUSTRELEASE;
1295 flags |= ( REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED );
1296 }
1297
1298 /*
1299 * Note: this may fail if the target host(s) schema differs
1300 * from the one known to the meta, and a DN with unknown
1301 * attributes is returned.
1302 */
1303 dn = e->e_name;
1304 ndn = e->e_nname;
1305 rc = rwm_dn_massage_pretty_normalize( &dc, &e->e_name, &dn, &ndn );
1306 if ( rc != LDAP_SUCCESS ) {
1307 rc = 1;
1308 goto fail;
1309 }
1310
1311 if ( e->e_name.bv_val != dn.bv_val ) {
1312 ch_free( e->e_name.bv_val );
1313 ch_free( e->e_nname.bv_val );
1314
1315 e->e_name = dn;
1316 e->e_nname = ndn;
1317 }
1318
1319 /* TODO: map entry attribute types, objectclasses
1320 * and dn-valued attribute values */
1321
1322 /* FIXME: the entries are in the remote mapping form;
1323 * so we need to select those attributes we are willing
1324 * to return, and remap them accordingly */
1325 (void)rwm_attrs( op, rs, &e->e_attrs, 1 );
1326
1327 if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
1328 be_entry_release_rw( op, rs->sr_entry, 0 );
1329 }
1330
1331 rs->sr_entry = e;
1332 rs->sr_flags = flags;
1333
1334 return SLAP_CB_CONTINUE;
1335
1336 fail:;
1337 if ( e != NULL && e != rs->sr_entry ) {
1338 if ( e->e_name.bv_val == dn.bv_val ) {
1339 BER_BVZERO( &e->e_name );
1340 }
1341
1342 if ( e->e_nname.bv_val == ndn.bv_val ) {
1343 BER_BVZERO( &e->e_nname );
1344 }
1345
1346 entry_free( e );
1347 }
1348
1349 if ( !BER_BVISNULL( &dn ) ) {
1350 ch_free( dn.bv_val );
1351 }
1352
1353 if ( !BER_BVISNULL( &ndn ) ) {
1354 ch_free( ndn.bv_val );
1355 }
1356
1357 return rc;
1358 }
1359
1360 static int
1361 rwm_operational( Operation *op, SlapReply *rs )
1362 {
1363 /* FIXME: the entries are in the remote mapping form;
1364 * so we need to select those attributes we are willing
1365 * to return, and remap them accordingly */
1366 if ( rs->sr_operational_attrs ) {
1367 rwm_attrs( op, rs, &rs->sr_operational_attrs, 1 );
1368 }
1369
1370 return SLAP_CB_CONTINUE;
1371 }
1372
1373 #if 0
1374 /* don't use this; it cannot be reverted, and leaves op->o_req_dn
1375 * rewritten for subsequent operations; fine for plain suffixmassage,
1376 * but destroys everything else */
1377 static int
1378 rwm_chk_referrals( Operation *op, SlapReply *rs )
1379 {
1380 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1381 int rc;
1382
1383 rc = rwm_op_dn_massage( op, rs, "referralCheckDN" );
1384 if ( rc != LDAP_SUCCESS ) {
1385 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1386 send_ldap_error( op, rs, rc, "referralCheckDN massage error" );
1387 return -1;
1388 }
1389
1390 return SLAP_CB_CONTINUE;
1391 }
1392 #endif
1393
1394 static int
1395 rwm_rw_config(
1396 BackendDB *be,
1397 const char *fname,
1398 int lineno,
1399 int argc,
1400 char **argv )
1401 {
1402 slap_overinst *on = (slap_overinst *) be->bd_info;
1403 struct ldaprwmap *rwmap =
1404 (struct ldaprwmap *)on->on_bi.bi_private;
1405
1406 return rewrite_parse( rwmap->rwm_rw,
1407 fname, lineno, argc, argv );
1408
1409 return 0;
1410 }
1411
1412 static int
1413 rwm_suffixmassage_config(
1414 BackendDB *be,
1415 const char *fname,
1416 int lineno,
1417 int argc,
1418 char **argv )
1419 {
1420 slap_overinst *on = (slap_overinst *) be->bd_info;
1421 struct ldaprwmap *rwmap =
1422 (struct ldaprwmap *)on->on_bi.bi_private;
1423
1424 struct berval bvnc, nvnc, pvnc, brnc, nrnc, prnc;
1425 int massaged;
1426 int rc;
1427
1428 /*
1429 * syntax:
1430 *
1431 * suffixmassage [<suffix>] <massaged suffix>
1432 *
1433 * the [<suffix>] field must be defined as a valid suffix
1434 * for the current database;
1435 * the <massaged suffix> shouldn't have already been
1436 * defined as a valid suffix for the current server
1437 */
1438 if ( argc == 2 ) {
1439 if ( be->be_suffix == NULL ) {
1440 fprintf( stderr, "%s: line %d: "
1441 " \"suffixMassage [<suffix>]"
1442 " <massaged suffix>\" without "
1443 "<suffix> part requires database "
1444 "suffix be defined first.\n",
1445 fname, lineno );
1446 return 1;
1447 }
1448 bvnc = be->be_suffix[ 0 ];
1449 massaged = 1;
1450
1451 } else if ( argc == 3 ) {
1452 ber_str2bv( argv[ 1 ], 0, 0, &bvnc );
1453 massaged = 2;
1454
1455 } else {
1456 fprintf( stderr, "%s: line %d: syntax is"
1457 " \"suffixMassage [<suffix>]"
1458 " <massaged suffix>\"\n",
1459 fname, lineno );
1460 return 1;
1461 }
1462
1463 if ( dnPrettyNormal( NULL, &bvnc, &pvnc, &nvnc, NULL ) != LDAP_SUCCESS ) {
1464 fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
1465 fname, lineno, bvnc.bv_val );
1466 return 1;
1467 }
1468
1469 ber_str2bv( argv[ massaged ], 0, 0, &brnc );
1470 if ( dnPrettyNormal( NULL, &brnc, &prnc, &nrnc, NULL ) != LDAP_SUCCESS ) {
1471 fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
1472 fname, lineno, brnc.bv_val );
1473 free( nvnc.bv_val );
1474 free( pvnc.bv_val );
1475 return 1;
1476 }
1477
1478 /*
1479 * The suffix massaging is emulated
1480 * by means of the rewrite capabilities
1481 */
1482 rc = rwm_suffix_massage_config( rwmap->rwm_rw,
1483 &pvnc, &nvnc, &prnc, &nrnc );
1484 free( nvnc.bv_val );
1485 free( pvnc.bv_val );
1486 free( nrnc.bv_val );
1487 free( prnc.bv_val );
1488
1489 return rc;
1490 }
1491
1492 static int
1493 rwm_m_config(
1494 BackendDB *be,
1495 const char *fname,
1496 int lineno,
1497 int argc,
1498 char **argv )
1499 {
1500 slap_overinst *on = (slap_overinst *) be->bd_info;
1501 struct ldaprwmap *rwmap =
1502 (struct ldaprwmap *)on->on_bi.bi_private;
1503
1504 /* objectclass/attribute mapping */
1505 return rwm_map_config( &rwmap->rwm_oc,
1506 &rwmap->rwm_at,
1507 fname, lineno, argc, argv );
1508 }
1509
1510 static int
1511 rwm_response( Operation *op, SlapReply *rs )
1512 {
1513 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1514 struct ldaprwmap *rwmap =
1515 (struct ldaprwmap *)on->on_bi.bi_private;
1516
1517 int rc;
1518
1519 if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH ) {
1520 return rwm_send_entry( op, rs );
1521 }
1522
1523 switch( op->o_tag ) {
1524 case LDAP_REQ_SEARCH:
1525 case LDAP_REQ_BIND:
1526 case LDAP_REQ_ADD:
1527 case LDAP_REQ_DELETE:
1528 case LDAP_REQ_MODRDN:
1529 case LDAP_REQ_MODIFY:
1530 case LDAP_REQ_COMPARE:
1531 case LDAP_REQ_EXTENDED:
1532 if ( rs->sr_ref ) {
1533 dncookie dc;
1534
1535 /*
1536 * Rewrite the dn of the referrals, if needed
1537 */
1538 dc.rwmap = rwmap;
1539 dc.conn = op->o_conn;
1540 dc.rs = NULL;
1541 dc.ctx = "referralDN";
1542 rc = rwm_referral_result_rewrite( &dc, rs->sr_ref );
1543 if ( rc != LDAP_SUCCESS ) {
1544 rc = 1;
1545 break;
1546 }
1547 }
1548 rc = rwm_matched( op, rs );
1549 break;
1550
1551 default:
1552 rc = SLAP_CB_CONTINUE;
1553 break;
1554 }
1555
1556 return rc;
1557 }
1558
1559 static int
1560 rwm_db_config(
1561 BackendDB *be,
1562 const char *fname,
1563 int lineno,
1564 int argc,
1565 char **argv )
1566 {
1567 slap_overinst *on = (slap_overinst *) be->bd_info;
1568 struct ldaprwmap *rwmap =
1569 (struct ldaprwmap *)on->on_bi.bi_private;
1570
1571 int rc = 0;
1572 char *argv0 = NULL;
1573
1574 if ( strncasecmp( argv[ 0 ], "rwm-", STRLENOF( "rwm-" ) ) == 0 ) {
1575 argv0 = argv[ 0 ];
1576 argv[ 0 ] = &argv0[ STRLENOF( "rwm-" ) ];
1577 }
1578
1579 if ( strncasecmp( argv[0], "rewrite", STRLENOF("rewrite") ) == 0 ) {
1580 rc = rwm_rw_config( be, fname, lineno, argc, argv );
1581
1582 } else if ( strcasecmp( argv[0], "map" ) == 0 ) {
1583 rc = rwm_m_config( be, fname, lineno, argc, argv );
1584
1585 } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0 ) {
1586 rc = rwm_suffixmassage_config( be, fname, lineno, argc, argv );
1587
1588 } else if ( strcasecmp( argv[0], "t-f-support" ) == 0 ) {
1589 if ( argc != 2 ) {
1590 fprintf( stderr,
1591 "%s: line %d: \"t-f-support {no|yes|discover}\" needs 1 argument.\n",
1592 fname, lineno );
1593 return( 1 );
1594 }
1595
1596 if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
1597 rwmap->rwm_flags &= ~(RWM_F_SUPPORT_T_F_MASK2);
1598
1599 } else if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1600 rwmap->rwm_flags |= RWM_F_SUPPORT_T_F;
1601
1602 /* TODO: not implemented yet */
1603 } else if ( strcasecmp( argv[ 1 ], "discover" ) == 0 ) {
1604 fprintf( stderr,
1605 "%s: line %d: \"discover\" not supported yet "
1606 "in \"t-f-support {no|yes|discover}\".\n",
1607 fname, lineno );
1608 return( 1 );
1609 #if 0
1610 rwmap->rwm_flags |= RWM_F_SUPPORT_T_F_DISCOVER;
1611 #endif
1612
1613 } else {
1614 fprintf( stderr,
1615 "%s: line %d: unknown value \"%s\" for \"t-f-support {no|yes|discover}\".\n",
1616 fname, lineno, argv[ 1 ] );
1617 return 1;
1618 }
1619
1620 } else if ( strcasecmp( argv[0], "normalize-mapped-attrs" ) == 0 ) {
1621 if ( argc !=2 ) {
1622 fprintf( stderr,
1623 "%s: line %d: \"normalize-mapped-attrs {no|yes}\" needs 1 argument.\n",
1624 fname, lineno );
1625 return( 1 );
1626 }
1627
1628 if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
1629 rwmap->rwm_flags &= ~(RWM_F_NORMALIZE_MAPPED_ATTRS);
1630
1631 } else if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1632 rwmap->rwm_flags |= RWM_F_NORMALIZE_MAPPED_ATTRS;
1633 }
1634
1635 } else {
1636 rc = SLAP_CONF_UNKNOWN;
1637 }
1638
1639 if ( argv0 ) {
1640 argv[ 0 ] = argv0;
1641 }
1642
1643 return rc;
1644 }
1645
1646 /*
1647 * dynamic configuration...
1648 */
1649
1650 enum {
1651 /* rewrite */
1652 RWM_CF_REWRITE = 1,
1653 RWM_CF_SUFFIXMASSAGE,
1654
1655 /* map */
1656 RWM_CF_MAP,
1657 RWM_CF_T_F_SUPPORT,
1658 RWM_CF_NORMALIZE_MAPPED,
1659
1660 RWM_CF_LAST
1661 };
1662
1663 static slap_verbmasks t_f_mode[] = {
1664 { BER_BVC( "yes" ), RWM_F_SUPPORT_T_F },
1665 { BER_BVC( "discover" ), RWM_F_SUPPORT_T_F_DISCOVER },
1666 { BER_BVC( "no" ), RWM_F_NONE },
1667 { BER_BVNULL, 0 }
1668 };
1669
1670 static ConfigDriver rwm_cf_gen;
1671
1672 static ConfigTable rwmcfg[] = {
1673 { "rwm-rewrite", "rewrite",
1674 2, 0, STRLENOF("rwm-rewrite"),
1675 ARG_MAGIC|ARG_QUOTE|RWM_CF_REWRITE, rwm_cf_gen,
1676 "( OLcfgOvAt:16.1 NAME 'olcRwmRewrite' "
1677 "DESC 'Rewrites strings' "
1678 "EQUALITY caseIgnoreMatch "
1679 "SYNTAX OMsDirectoryString "
1680 "X-ORDERED 'VALUES' )",
1681 NULL, NULL },
1682
1683 { "rwm-suffixmassage", "[virtual]> <real",
1684 2, 3, 0, ARG_MAGIC|RWM_CF_SUFFIXMASSAGE, rwm_cf_gen,
1685 NULL, NULL, NULL },
1686
1687 { "rwm-t-f-support", "true|false|discover",
1688 2, 2, 0, ARG_MAGIC|RWM_CF_T_F_SUPPORT, rwm_cf_gen,
1689 "( OLcfgOvAt:16.2 NAME 'olcRwmTFSupport' "
1690 "DESC 'Absolute filters support' "
1691 "SYNTAX OMsDirectoryString "
1692 "SINGLE-VALUE )",
1693 NULL, NULL },
1694
1695 { "rwm-map", "{objectClass|attribute}",
1696 2, 4, 0, ARG_MAGIC|RWM_CF_MAP, rwm_cf_gen,
1697 "( OLcfgOvAt:16.3 NAME 'olcRwmMap' "
1698 "DESC 'maps attributes/objectClasses' "
1699 "SYNTAX OMsDirectoryString "
1700 "X-ORDERED 'VALUES' )",
1701 NULL, NULL },
1702
1703 { "rwm-normalize-mapped-attrs", "true|false",
1704 2, 2, 0, ARG_MAGIC|ARG_ON_OFF|RWM_CF_NORMALIZE_MAPPED, rwm_cf_gen,
1705 "( OLcfgOvAt:16.4 NAME 'olcRwmNormalizeMapped' "
1706 "DESC 'Normalize mapped attributes/objectClasses' "
1707 "SYNTAX OMsBoolean "
1708 "SINGLE-VALUE )",
1709 NULL, NULL },
1710
1711 { NULL, NULL, 0, 0, 0, ARG_IGNORED }
1712 };
1713
1714 static ConfigOCs rwmocs[] = {
1715 { "( OLcfgOvOc:16.1 "
1716 "NAME 'olcRwmConfig' "
1717 "DESC 'Rewrite/remap configuration' "
1718 "SUP olcOverlayConfig "
1719 "MAY ( "
1720 "olcRwmRewrite $ "
1721 "olcRwmTFSupport $ "
1722 "olcRwmMap $ "
1723 "olcRwmNormalizeMapped "
1724 ") )",
1725 Cft_Overlay, rwmcfg, NULL, NULL },
1726 { NULL, 0, NULL }
1727 };
1728
1729 static void
1730 slap_rewrite_unparse( BerVarray in, BerVarray *out )
1731 {
1732 int i;
1733 BerVarray bva = NULL;
1734 char ibuf[32], *ptr;
1735 struct berval idx;
1736
1737 assert( in != NULL );
1738
1739 for ( i = 0; !BER_BVISNULL( &in[i] ); i++ )
1740 /* count'em */ ;
1741
1742 if ( i == 0 ) {
1743 return;
1744 }
1745
1746 idx.bv_val = ibuf;
1747
1748 bva = ch_malloc( ( i + 1 ) * sizeof(struct berval) );
1749 BER_BVZERO( &bva[ 0 ] );
1750
1751 for ( i = 0; !BER_BVISNULL( &in[i] ); i++ ) {
1752 idx.bv_len = snprintf( idx.bv_val, sizeof( ibuf ), "{%d}", i );
1753 if ( idx.bv_len >= sizeof( ibuf ) ) {
1754 ber_bvarray_free( bva );
1755 return;
1756 }
1757
1758 bva[i].bv_len = idx.bv_len + in[i].bv_len;
1759 bva[i].bv_val = ch_malloc( bva[i].bv_len + 1 );
1760 ptr = lutil_strcopy( bva[i].bv_val, ibuf );
1761 ptr = lutil_strcopy( ptr, in[i].bv_val );
1762 *ptr = '\0';
1763 BER_BVZERO( &bva[ i + 1 ] );
1764 }
1765
1766 *out = bva;
1767 }
1768
1769 static int
1770 rwm_cf_gen( ConfigArgs *c )
1771 {
1772 slap_overinst *on = (slap_overinst *)c->bi;
1773 struct ldaprwmap *rwmap =
1774 (struct ldaprwmap *)on->on_bi.bi_private;
1775
1776 BackendDB db;
1777 char *argv0;
1778 int rc = 0;
1779
1780 db = *c->be;
1781 db.bd_info = c->bi;
1782
1783 if ( c->op == SLAP_CONFIG_EMIT ) {
1784 struct berval bv = BER_BVNULL;
1785
1786 switch ( c->type ) {
1787 case RWM_CF_REWRITE:
1788 if ( rwmap->rwm_bva_rewrite == NULL ) {
1789 rc = 1;
1790
1791 } else {
1792 slap_rewrite_unparse( rwmap->rwm_bva_rewrite, &c->rvalue_vals );
1793 if ( !c->rvalue_vals ) {
1794 rc = 1;
1795 }
1796 }
1797 break;
1798
1799 case RWM_CF_T_F_SUPPORT:
1800 enum_to_verb( t_f_mode, (rwmap->rwm_flags & RWM_F_SUPPORT_T_F_MASK2), &bv );
1801 if ( BER_BVISNULL( &bv ) ) {
1802 /* there's something wrong... */
1803 assert( 0 );
1804 rc = 1;
1805
1806 } else {
1807 value_add_one( &c->rvalue_vals, &bv );
1808 }
1809 break;
1810
1811 case RWM_CF_MAP:
1812 if ( rwmap->rwm_bva_map == NULL ) {
1813 rc = 1;
1814
1815 } else {
1816 value_add( &c->rvalue_vals, rwmap->rwm_bva_map );
1817 }
1818 break;
1819
1820 case RWM_CF_NORMALIZE_MAPPED:
1821 c->value_int = ( rwmap->rwm_flags & RWM_F_NORMALIZE_MAPPED_ATTRS );
1822 break;
1823
1824 default:
1825 assert( 0 );
1826 rc = 1;
1827 }
1828
1829 return rc;
1830
1831 } else if ( c->op == LDAP_MOD_DELETE ) {
1832 switch ( c->type ) {
1833 case RWM_CF_REWRITE:
1834 if ( c->valx >= 0 ) {
1835 /* single modification is not allowed */
1836 rc = 1;
1837
1838 } else if ( rwmap->rwm_rw != NULL ) {
1839 rewrite_info_delete( &rwmap->rwm_rw );
1840 assert( rwmap->rwm_rw == NULL );
1841
1842 ber_bvarray_free( rwmap->rwm_bva_rewrite );
1843 rwmap->rwm_bva_rewrite = NULL;
1844 }
1845 break;
1846
1847 case RWM_CF_T_F_SUPPORT:
1848 rwmap->rwm_flags &= ~RWM_F_SUPPORT_T_F_MASK2;
1849 break;
1850
1851 case RWM_CF_MAP:
1852 if ( c->valx >= 0 ) {
1853 /* single modification is not allowed */
1854 rc = 1;
1855
1856 } else {
1857 avl_free( rwmap->rwm_oc.remap, rwm_mapping_dst_free );
1858 avl_free( rwmap->rwm_oc.map, rwm_mapping_free );
1859 avl_free( rwmap->rwm_at.remap, rwm_mapping_dst_free );
1860 avl_free( rwmap->rwm_at.map, rwm_mapping_free );
1861
1862 rwmap->rwm_oc.remap = NULL;
1863 rwmap->rwm_oc.map = NULL;
1864 rwmap->rwm_at.remap = NULL;
1865 rwmap->rwm_at.map = NULL;
1866
1867 ber_bvarray_free( rwmap->rwm_bva_map );
1868 rwmap->rwm_bva_map = NULL;
1869 }
1870 break;
1871
1872 case RWM_CF_NORMALIZE_MAPPED:
1873 rwmap->rwm_flags &= ~RWM_F_NORMALIZE_MAPPED_ATTRS;
1874 break;
1875
1876 default:
1877 return 1;
1878 }
1879 return rc;
1880 }
1881
1882 switch ( c->type ) {
1883 case RWM_CF_REWRITE:
1884 argv0 = c->argv[ 0 ];
1885 c->argv[ 0 ] += STRLENOF( "rwm-" );
1886 rc = rwm_rw_config( &db, c->fname, c->lineno, c->argc, c->argv );
1887 c->argv[ 0 ] = argv0;
1888 if ( rc ) {
1889 return 1;
1890
1891 } else {
1892 char *line;
1893 struct berval bv;
1894
1895 line = ldap_charray2str( c->argv, "\" \"" );
1896 if ( line != NULL ) {
1897 int len = strlen( c->argv[ 0 ] );
1898
1899 ber_str2bv( line, 0, 0, &bv );
1900 AC_MEMCPY( &bv.bv_val[ len ], &bv.bv_val[ len + 1 ],
1901 bv.bv_len - ( len + 1 ) );
1902 bv.bv_val[ bv.bv_len - 1 ] = '"';
1903 ber_bvarray_add( &rwmap->rwm_bva_rewrite, &bv );
1904 }
1905 }
1906 break;
1907
1908 case RWM_CF_SUFFIXMASSAGE:
1909 argv0 = c->argv[ 0 ];
1910 c->argv[ 0 ] += STRLENOF( "rwm-" );
1911 rc = rwm_suffixmassage_config( &db, c->fname, c->lineno, c->argc, c->argv );
1912 c->argv[ 0 ] = argv0;
1913 if ( rc ) {
1914 return 1;
1915
1916 } else {
1917 char *line;
1918 struct berval bv;
1919
1920 /* FIXME: not optimal; in fact, this keeps track
1921 * of the fact that a set of rules was added
1922 * using the rwm-suffixmassage shortcut, but the
1923 * rules are not clarified */
1924
1925 line = ldap_charray2str( c->argv, "\" \"" );
1926 if ( line != NULL ) {
1927 int len = strlen( c->argv[ 0 ] );
1928
1929 ber_str2bv( line, 0, 0, &bv );
1930 AC_MEMCPY( &bv.bv_val[ len ], &bv.bv_val[ len + 1 ],
1931 bv.bv_len - ( len + 1 ) );
1932 bv.bv_val[ bv.bv_len - 1 ] = '"';
1933 ber_bvarray_add( &rwmap->rwm_bva_rewrite, &bv );
1934 }
1935 }
1936 break;
1937
1938 case RWM_CF_T_F_SUPPORT:
1939 rc = verb_to_mask( c->argv[ 1 ], t_f_mode );
1940 if ( BER_BVISNULL( &t_f_mode[ rc ].word ) ) {
1941 return 1;
1942 }
1943
1944 rwmap->rwm_flags &= ~RWM_F_SUPPORT_T_F_MASK2;
1945 rwmap->rwm_flags |= t_f_mode[ rc ].mask;
1946 rc = 0;
1947 break;
1948
1949 case RWM_CF_MAP:
1950 argv0 = c->argv[ 0 ];
1951 c->argv[ 0 ] += STRLENOF( "rwm-" );
1952 rc = rwm_m_config( &db, c->fname, c->lineno, c->argc, c->argv );
1953 c->argv[ 0 ] = argv0;
1954 if ( rc ) {
1955 return 1;
1956
1957 } else {
1958 char *line;
1959 struct berval bv;
1960
1961 line = ldap_charray2str( &c->argv[ 1 ], " " );
1962 if ( line != NULL ) {
1963 ber_str2bv( line, 0, 0, &bv );
1964 ber_bvarray_add( &rwmap->rwm_bva_map, &bv );
1965 }
1966 }
1967 break;
1968
1969 case RWM_CF_NORMALIZE_MAPPED:
1970 if ( c->value_int ) {
1971 rwmap->rwm_flags |= RWM_F_NORMALIZE_MAPPED_ATTRS;
1972 } else {
1973 rwmap->rwm_flags &= ~RWM_F_NORMALIZE_MAPPED_ATTRS;
1974 }
1975 break;
1976
1977 default:
1978 assert( 0 );
1979 return 1;
1980 }
1981
1982 return rc;
1983 }
1984
1985 static int
1986 rwm_db_init(
1987 BackendDB *be,
1988 ConfigReply *cr )
1989 {
1990 slap_overinst *on = (slap_overinst *) be->bd_info;
1991 struct ldaprwmap *rwmap;
1992 char *rargv[ 3 ];
1993 int rc = 0;
1994
1995 rwmap = (struct ldaprwmap *)ch_calloc( 1, sizeof( struct ldaprwmap ) );
1996
1997 rwmap->rwm_rw = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
1998 if ( rwmap->rwm_rw == NULL ) {
1999 rc = -1;
2000 goto error_return;
2001 }
2002
2003 /* this rewriteContext by default must be null;
2004 * rules can be added if required */
2005 rargv[ 0 ] = "rewriteContext";
2006 rargv[ 1 ] = "searchFilter";
2007 rargv[ 2 ] = NULL;
2008 rewrite_parse( rwmap->rwm_rw, "<suffix massage>", 1, 2, rargv );
2009
2010 rargv[ 0 ] = "rewriteContext";
2011 rargv[ 1 ] = "default";
2012 rargv[ 2 ] = NULL;
2013 rewrite_parse( rwmap->rwm_rw, "<suffix massage>", 2, 2, rargv );
2014
2015 error_return:;
2016 on->on_bi.bi_private = (void *)rwmap;
2017
2018 if ( rc ) {
2019 (void)rwm_db_destroy( be, NULL );
2020 }
2021
2022 return rc;
2023 }
2024
2025 static int
2026 rwm_db_destroy(
2027 BackendDB *be,
2028 ConfigReply *cr )
2029 {
2030 slap_overinst *on = (slap_overinst *) be->bd_info;
2031 int rc = 0;
2032
2033 if ( on->on_bi.bi_private ) {
2034 struct ldaprwmap *rwmap =
2035 (struct ldaprwmap *)on->on_bi.bi_private;
2036
2037 if ( rwmap->rwm_rw ) {
2038 rewrite_info_delete( &rwmap->rwm_rw );
2039 ber_bvarray_free( rwmap->rwm_bva_rewrite );
2040 }
2041
2042 avl_free( rwmap->rwm_oc.remap, rwm_mapping_dst_free );
2043 avl_free( rwmap->rwm_oc.map, rwm_mapping_free );
2044 avl_free( rwmap->rwm_at.remap, rwm_mapping_dst_free );
2045 avl_free( rwmap->rwm_at.map, rwm_mapping_free );
2046 ber_bvarray_free( rwmap->rwm_bva_map );
2047
2048 ch_free( rwmap );
2049 }
2050
2051 return rc;
2052 }
2053
2054 static slap_overinst rwm = { { NULL } };
2055
2056 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
2057 static
2058 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
2059 int
2060 rwm_initialize( void )
2061 {
2062 int rc;
2063
2064 /* Make sure we don't exceed the bits reserved for userland */
2065 config_check_userland( RWM_CF_LAST );
2066
2067 memset( &rwm, 0, sizeof( slap_overinst ) );
2068
2069 rwm.on_bi.bi_type = "rwm";
2070 rwm.on_bi.bi_flags =
2071 SLAPO_BFLAG_SINGLE |
2072 0;
2073
2074 rwm.on_bi.bi_db_init = rwm_db_init;
2075 rwm.on_bi.bi_db_config = rwm_db_config;
2076 rwm.on_bi.bi_db_destroy = rwm_db_destroy;
2077
2078 rwm.on_bi.bi_op_bind = rwm_op_bind;
2079 rwm.on_bi.bi_op_search = rwm_op_search;
2080 rwm.on_bi.bi_op_compare = rwm_op_compare;
2081 rwm.on_bi.bi_op_modify = rwm_op_modify;
2082 rwm.on_bi.bi_op_modrdn = rwm_op_modrdn;
2083 rwm.on_bi.bi_op_add = rwm_op_add;
2084 rwm.on_bi.bi_op_delete = rwm_op_delete;
2085 rwm.on_bi.bi_op_unbind = rwm_op_unbind;
2086 rwm.on_bi.bi_extended = rwm_extended;
2087
2088 rwm.on_bi.bi_operational = rwm_operational;
2089 rwm.on_bi.bi_chk_referrals = 0 /* rwm_chk_referrals */ ;
2090
2091 rwm.on_bi.bi_connection_init = rwm_conn_init;
2092 rwm.on_bi.bi_connection_destroy = rwm_conn_destroy;
2093
2094 rwm.on_response = rwm_response;
2095
2096 rwm.on_bi.bi_cf_ocs = rwmocs;
2097
2098 rc = config_register_schema( rwmcfg, rwmocs );
2099 if ( rc ) {
2100 return rc;
2101 }
2102
2103 return overlay_register( &rwm );
2104 }
2105
2106 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
2107 int
2108 init_module( int argc, char *argv[] )
2109 {
2110 return rwm_initialize();
2111 }
2112 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
2113
2114 #endif /* SLAPD_OVER_RWM */
NetBSD on the FriendlyARM MINI2440