1 /* modrdn.c - ldbm backend modrdn routine */
4 * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
9 * LDAP v3 newSuperior support. Add new rdn as an attribute.
10 * (Full support for v2 also used software/ideas contributed
11 * by Roy Hooper rhooper@cyberus.ca, thanks to him for his
14 * Copyright 1999, Juan C. Gomez, All rights reserved.
15 * This software is not subject to any license of Silicon Graphics
16 * Inc. or Purdue University.
18 * Redistribution and use in source and binary forms are permitted
19 * without restriction or fee of any kind as long as this notice
28 #include <ac/string.h>
29 #include <ac/socket.h>
32 #include "back-ldbm.h"
33 #include "proto-back-ldbm.h"
44 const char *newSuperior
47 AttributeDescription *children = slap_schema.si_ad_children;
48 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
49 char *p_dn = NULL, *p_ndn = NULL;
50 char *new_dn = NULL, *new_ndn = NULL;
55 const char *text = NULL;
56 /* Added to support LDAP v2 correctly (deleteoldrdn thing) */
57 char *new_rdn_val = NULL; /* Val of new rdn */
58 char *new_rdn_type = NULL; /* Type of new rdn */
59 char *old_rdn = NULL; /* Old rdn's attr type & val */
60 char *old_rdn_type = NULL; /* Type of old rdn attr. */
61 char *old_rdn_val = NULL; /* Old rdn attribute value */
62 /* Added to support newSuperior */
63 Entry *np = NULL; /* newSuperior Entry */
64 char *np_dn = NULL; /* newSuperior dn */
65 char *np_ndn = NULL; /* newSuperior ndn */
66 char *new_parent_dn = NULL; /* np_dn, p_dn, or NULL */
67 /* Used to interface with ldbm_modify_internal() */
68 struct berval add_bv; /* Stores new rdn att */
69 struct berval *add_bvals[2]; /* Stores new rdn att */
70 struct berval del_bv; /* Stores old rdn att */
71 struct berval *del_bvals[2]; /* Stores old rdn att */
72 Modifications mod[2]; /* Used to delete old rdn */
73 int manageDSAit = get_manageDSAit( op );
75 Debug( LDAP_DEBUG_TRACE, "==>ldbm_back_modrdn(newSuperior=%s)\n",
76 (newSuperior ? newSuperior : "NULL"),
79 /* get entry with writer lock */
80 if ( (e = dn2entry_w( be, ndn, &matched )) == NULL ) {
81 char* matched_dn = NULL;
82 struct berval** refs = NULL;
84 if( matched != NULL ) {
85 matched_dn = strdup( matched->e_dn );
86 refs = is_entry_referral( matched )
87 ? get_entry_referrals( be, conn, op, matched )
89 cache_return_entry_r( &li->li_cache, matched );
91 refs = default_referral;
94 send_ldap_result( conn, op, LDAP_REFERRAL,
95 matched_dn, NULL, refs, NULL );
97 if ( matched != NULL ) {
105 #ifdef SLAPD_CHILD_MODIFICATION_WITH_ENTRY_ACL
106 if ( ! access_allowed( be, conn, op, e,
107 "entry", NULL, ACL_WRITE ) )
109 Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
111 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
112 NULL, NULL, NULL, NULL );
117 if (!manageDSAit && is_entry_referral( e ) ) {
118 /* parent is a referral, don't allow add */
119 /* parent is an alias, don't allow add */
120 struct berval **refs = get_entry_referrals( be,
123 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
126 send_ldap_result( conn, op, LDAP_REFERRAL,
127 e->e_dn, NULL, refs, NULL );
129 ber_bvecfree( refs );
134 if ( (p_ndn = dn_parent( be, e->e_ndn )) != NULL ) {
136 /* Make sure parent entry exist and we can write its
140 if( (p = dn2entry_w( be, p_ndn, NULL )) == NULL) {
141 Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
143 send_ldap_result( conn, op, LDAP_OTHER,
144 NULL, NULL, NULL, NULL );
148 /* check parent for "children" acl */
149 if ( ! access_allowed( be, conn, op, p,
150 children, NULL, ACL_WRITE ) )
152 Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
154 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
155 NULL, NULL, NULL, NULL );
159 Debug( LDAP_DEBUG_TRACE,
160 "ldbm_back_modrdn: wr to children of entry %s OK\n",
163 p_dn = dn_parent( be, e->e_dn );
166 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
170 /* no parent, modrdn entry directly under root */
171 if( ! be_isroot( be, op->o_ndn ) ) {
172 Debug( LDAP_DEBUG_TRACE, "no parent & not root\n",
174 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
175 NULL, NULL, NULL, NULL );
179 ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
182 Debug( LDAP_DEBUG_TRACE,
183 "ldbm_back_modrdn: no parent, locked root\n",
188 new_parent_dn = p_dn; /* New Parent unless newSuperior given */
190 if ( newSuperior != NULL ) {
191 Debug( LDAP_DEBUG_TRACE,
192 "ldbm_back_modrdn: new parent \"%s\" requested...\n",
195 np_dn = ch_strdup( newSuperior );
196 np_ndn = ch_strdup( np_dn );
197 (void) dn_normalize( np_ndn );
199 /* newSuperior == oldParent?, if so ==> ERROR */
200 /* newSuperior == entry being moved?, if so ==> ERROR */
201 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
203 if( (np = dn2entry_w( be, np_ndn, NULL )) == NULL) {
204 Debug( LDAP_DEBUG_TRACE,
205 "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
207 send_ldap_result( conn, op, LDAP_OTHER,
208 NULL, NULL, NULL, NULL );
212 Debug( LDAP_DEBUG_TRACE,
213 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
216 /* check newSuperior for "children" acl */
217 if ( !access_allowed( be, conn, op, np, children, NULL,
220 Debug( LDAP_DEBUG_TRACE,
221 "ldbm_back_modrdn: no wr to newSup children\n",
223 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
224 NULL, NULL, NULL, NULL );
228 if ( is_entry_alias( np ) ) {
229 /* entry is an alias, don't allow bind */
230 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0,
233 send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
234 NULL, NULL, NULL, NULL );
239 if ( is_entry_referral( np ) ) {
240 /* parent is a referral, don't allow add */
241 /* parent is an alias, don't allow add */
242 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
245 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
246 NULL, NULL, NULL, NULL );
251 Debug( LDAP_DEBUG_TRACE,
252 "ldbm_back_modrdn: wr to new parent's children OK\n",
255 new_parent_dn = np_dn;
258 /* Build target dn and make sure target entry doesn't exist already. */
260 build_new_dn( &new_dn, e->e_dn, new_parent_dn, newrdn );
263 new_ndn = ch_strdup(new_dn);
264 (void) dn_normalize( new_ndn );
266 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
269 /* check for abandon */
270 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
271 if ( op->o_abandon ) {
272 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
276 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
277 if (dn2id ( be, new_ndn ) != NOID) {
278 send_ldap_result( conn, op, LDAP_ALREADY_EXISTS,
279 NULL, NULL, NULL, NULL );
283 Debug( LDAP_DEBUG_TRACE,
284 "ldbm_back_modrdn: new ndn=%s does not exist\n",
287 /* Get attribute type and attribute value of our new rdn, we will
288 * need to add that to our new entry
291 if ( (new_rdn_type = rdn_attr_type( newrdn )) == NULL ) {
293 Debug( LDAP_DEBUG_TRACE,
294 "ldbm_back_modrdn: can't figure out type of newrdn\n",
296 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
297 NULL, "unknown type used in RDN", NULL, NULL );
302 if ( (new_rdn_val = rdn_attr_value( newrdn )) == NULL ) {
304 Debug( LDAP_DEBUG_TRACE,
305 "ldbm_back_modrdn: can't figure out val of newrdn\n",
307 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
308 NULL, "could not parse RDN value", NULL, NULL );
313 Debug( LDAP_DEBUG_TRACE,
314 "ldbm_back_modrdn: new_rdn_val=\"%s\", new_rdn_type=\"%s\"\n",
315 new_rdn_val, new_rdn_type, 0 );
317 /* Retrieve the old rdn from the entry's dn */
319 if ( (old_rdn = dn_rdn( be, dn )) == NULL ) {
320 Debug( LDAP_DEBUG_TRACE,
321 "ldbm_back_modrdn: can't figure out old_rdn from dn\n",
323 send_ldap_result( conn, op, LDAP_OTHER,
324 NULL, "could not parse old DN", NULL, NULL );
328 if ( (old_rdn_type = rdn_attr_type( old_rdn )) == NULL ) {
329 Debug( LDAP_DEBUG_TRACE,
330 "ldbm_back_modrdn: can't figure out the old_rdn type\n",
332 send_ldap_result( conn, op, LDAP_OTHER,
333 NULL, "count parse RDN from old DN", NULL, NULL );
337 if ( strcasecmp( old_rdn_type, new_rdn_type ) != 0 ) {
338 /* Not a big deal but we may say something */
339 Debug( LDAP_DEBUG_TRACE,
340 "ldbm_back_modrdn: old_rdn_type=%s, new_rdn_type=%s!\n",
341 old_rdn_type, new_rdn_type, 0 );
344 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
347 /* Add new attribute value to the entry.
350 add_bvals[0] = &add_bv; /* Array of bervals */
353 add_bv.bv_val = new_rdn_val;
354 add_bv.bv_len = strlen(new_rdn_val);
359 mod[0].sml_desc = NULL;
360 rc = slap_str2ad( new_rdn_type, &mod[0].sml_desc, &text );
362 if( rc != LDAP_SUCCESS ) {
363 Debug( LDAP_DEBUG_TRACE,
364 "ldbm_back_modrdn: %s: %s (new)\n",
365 text, new_rdn_type, 0 );
366 send_ldap_result( conn, op, rc,
367 NULL, text, NULL, NULL );
371 mod[0].sml_bvalues = add_bvals;
372 mod[0].sml_op = SLAP_MOD_SOFTADD;
373 mod[0].sml_next = NULL;
375 /* Remove old rdn value if required */
378 /* Get value of old rdn */
380 if ((old_rdn_val = rdn_attr_value( old_rdn ))
383 Debug( LDAP_DEBUG_TRACE,
384 "ldbm_back_modrdn: can't figure out old_rdn_val from old_rdn\n",
386 send_ldap_result( conn, op, LDAP_OTHER,
387 NULL, "could not parse value from old RDN", NULL, NULL );
391 del_bvals[0] = &del_bv; /* Array of bervals */
394 /* Remove old value of rdn as an attribute. */
396 del_bv.bv_val = old_rdn_val;
397 del_bv.bv_len = strlen(old_rdn_val);
402 mod[1].sml_desc = NULL;
403 rc = slap_str2ad( old_rdn_type, &mod[1].sml_desc, &text );
405 if( rc != LDAP_SUCCESS ) {
406 Debug( LDAP_DEBUG_TRACE,
407 "ldbm_back_modrdn: %s: %s (old)\n",
408 text, old_rdn_type, 0 );
409 send_ldap_result( conn, op, rc,
410 NULL, text, NULL, NULL );
414 mod[0].sml_next = &mod[1];
415 mod[1].sml_bvalues = del_bvals;
416 mod[1].sml_op = LDAP_MOD_DELETE;
417 mod[1].sml_next = NULL;
419 Debug( LDAP_DEBUG_TRACE,
420 "ldbm_back_modrdn: removing old_rdn_val=%s\n",
424 /* check for abandon */
425 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
426 if ( op->o_abandon ) {
427 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
430 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
433 if ( dn2id_delete( be, e->e_ndn, e->e_id ) != 0 ) {
434 send_ldap_result( conn, op, LDAP_OTHER,
435 NULL, "DN index delete fail", NULL, NULL );
439 (void) cache_delete_entry( &li->li_cache, e );
441 /* XXX: there is no going back! */
451 if ( dn2id_add( be, e->e_ndn, e->e_id ) != 0 ) {
452 send_ldap_result( conn, op, LDAP_OTHER,
453 NULL, "DN index add failed", NULL, NULL );
457 /* modify memory copy of entry */
458 rc = ldbm_modify_internal( be, conn, op, dn, &mod[0], e, &text );
460 if( rc != LDAP_SUCCESS ) {
461 if( rc != SLAPD_ABANDON ) {
462 send_ldap_result( conn, op, rc,
463 NULL, text, NULL, NULL );
469 (void) cache_update_entry( &li->li_cache, e );
471 /* NOTE: after this you must not free new_dn or new_ndn!
472 * They are used by cache.
476 if ( id2entry_add( be, e ) != 0 ) {
478 send_ldap_result( conn, op, LDAP_OTHER,
479 NULL, "entry update failed", NULL, NULL );
483 send_ldap_result( conn, op, LDAP_SUCCESS,
484 NULL, NULL, NULL, NULL );
488 if( new_dn != NULL ) free( new_dn );
489 if( new_ndn != NULL ) free( new_ndn );
491 if( p_dn != NULL ) free( p_dn );
492 if( p_ndn != NULL ) free( p_ndn );
494 /* LDAP v2 supporting correct attribute handling. */
495 if( new_rdn_type != NULL ) free(new_rdn_type);
496 if( new_rdn_val != NULL ) free(new_rdn_val);
497 if( old_rdn != NULL ) free(old_rdn);
498 if( old_rdn_type != NULL ) free(old_rdn_type);
499 if( old_rdn_val != NULL ) free(old_rdn_val);
502 /* LDAP v3 Support */
503 if ( np_dn != NULL ) free( np_dn );
504 if ( np_ndn != NULL ) free( np_ndn );
507 /* free new parent and writer lock */
508 cache_return_entry_w( &li->li_cache, np );
512 /* free parent and writer lock */
513 cache_return_entry_w( &li->li_cache, p );
517 /* release root writer lock */
518 ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
521 /* free entry and writer lock */
522 cache_return_entry_w( &li->li_cache, e );