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 if (!manageDSAit && is_entry_referral( e ) ) {
106 /* parent is a referral, don't allow add */
107 /* parent is an alias, don't allow add */
108 struct berval **refs = get_entry_referrals( be,
111 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
114 send_ldap_result( conn, op, LDAP_REFERRAL,
115 e->e_dn, NULL, refs, NULL );
117 ber_bvecfree( refs );
122 if ( (p_ndn = dn_parent( be, e->e_ndn )) != NULL ) {
124 /* Make sure parent entry exist and we can write its
128 if( (p = dn2entry_w( be, p_ndn, NULL )) == NULL) {
129 Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
131 send_ldap_result( conn, op, LDAP_OTHER,
132 NULL, NULL, NULL, NULL );
136 /* check parent for "children" acl */
137 if ( ! access_allowed( be, conn, op, p,
138 children, NULL, ACL_WRITE ) )
140 Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
142 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
143 NULL, NULL, NULL, NULL );
147 Debug( LDAP_DEBUG_TRACE,
148 "ldbm_back_modrdn: wr to children of entry %s OK\n",
151 p_dn = dn_parent( be, e->e_dn );
154 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
158 /* no parent, modrdn entry directly under root */
159 if( ! be_isroot( be, op->o_ndn ) ) {
160 Debug( LDAP_DEBUG_TRACE, "no parent & not root\n",
162 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
163 NULL, NULL, NULL, NULL );
167 ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
170 Debug( LDAP_DEBUG_TRACE,
171 "ldbm_back_modrdn: no parent, locked root\n",
176 new_parent_dn = p_dn; /* New Parent unless newSuperior given */
178 if ( newSuperior != NULL ) {
179 Debug( LDAP_DEBUG_TRACE,
180 "ldbm_back_modrdn: new parent \"%s\" requested...\n",
183 np_dn = ch_strdup( newSuperior );
184 np_ndn = ch_strdup( np_dn );
185 (void) dn_normalize( np_ndn );
187 /* newSuperior == oldParent? */
188 if ( strcmp( p_ndn, np_ndn ) == 0 ) {
189 Debug( LDAP_DEBUG_TRACE,
190 "ldbm_back_modrdn: new parent \"%s\" seems to be the same as old parent \"%s\"...\n",
191 newSuperior, p_dn, 0 );
192 newSuperior = NULL; /* ignore newSuperior */
196 if ( newSuperior != NULL ) {
198 /* newSuperior == entry being moved?, if so ==> ERROR */
199 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
201 if( (np = dn2entry_w( be, np_ndn, NULL )) == NULL) {
202 Debug( LDAP_DEBUG_TRACE,
203 "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
205 send_ldap_result( conn, op, LDAP_OTHER,
206 NULL, NULL, NULL, NULL );
210 Debug( LDAP_DEBUG_TRACE,
211 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
214 /* check newSuperior for "children" acl */
215 if ( !access_allowed( be, conn, op, np, children, NULL,
218 Debug( LDAP_DEBUG_TRACE,
219 "ldbm_back_modrdn: no wr to newSup children\n",
221 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
222 NULL, NULL, NULL, NULL );
226 if ( is_entry_alias( np ) ) {
227 /* entry is an alias, don't allow bind */
228 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0,
231 send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
232 NULL, NULL, NULL, NULL );
237 if ( is_entry_referral( np ) ) {
238 /* parent is a referral, don't allow add */
239 /* parent is an alias, don't allow add */
240 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
243 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
244 NULL, NULL, NULL, NULL );
249 Debug( LDAP_DEBUG_TRACE,
250 "ldbm_back_modrdn: wr to new parent's children OK\n",
253 new_parent_dn = np_dn;
256 /* Build target dn and make sure target entry doesn't exist already. */
258 build_new_dn( &new_dn, e->e_dn, new_parent_dn, newrdn );
261 new_ndn = ch_strdup(new_dn);
262 (void) dn_normalize( new_ndn );
264 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
267 /* check for abandon */
268 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
269 if ( op->o_abandon ) {
270 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
274 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
275 if (dn2id ( be, new_ndn ) != NOID) {
276 send_ldap_result( conn, op, LDAP_ALREADY_EXISTS,
277 NULL, NULL, NULL, NULL );
281 Debug( LDAP_DEBUG_TRACE,
282 "ldbm_back_modrdn: new ndn=%s does not exist\n",
285 /* Get attribute type and attribute value of our new rdn, we will
286 * need to add that to our new entry
289 if ( (new_rdn_type = rdn_attr_type( newrdn )) == NULL ) {
291 Debug( LDAP_DEBUG_TRACE,
292 "ldbm_back_modrdn: can't figure out type of newrdn\n",
294 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
295 NULL, "unknown type used in RDN", NULL, NULL );
300 if ( (new_rdn_val = rdn_attr_value( newrdn )) == NULL ) {
302 Debug( LDAP_DEBUG_TRACE,
303 "ldbm_back_modrdn: can't figure out val of newrdn\n",
305 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
306 NULL, "could not parse RDN value", NULL, NULL );
311 Debug( LDAP_DEBUG_TRACE,
312 "ldbm_back_modrdn: new_rdn_val=\"%s\", new_rdn_type=\"%s\"\n",
313 new_rdn_val, new_rdn_type, 0 );
315 /* Retrieve the old rdn from the entry's dn */
317 if ( (old_rdn = dn_rdn( be, dn )) == NULL ) {
318 Debug( LDAP_DEBUG_TRACE,
319 "ldbm_back_modrdn: can't figure out old_rdn from dn\n",
321 send_ldap_result( conn, op, LDAP_OTHER,
322 NULL, "could not parse old DN", NULL, NULL );
326 if ( (old_rdn_type = rdn_attr_type( old_rdn )) == NULL ) {
327 Debug( LDAP_DEBUG_TRACE,
328 "ldbm_back_modrdn: can't figure out the old_rdn type\n",
330 send_ldap_result( conn, op, LDAP_OTHER,
331 NULL, "count parse RDN from old DN", NULL, NULL );
335 if ( strcasecmp( old_rdn_type, new_rdn_type ) != 0 ) {
336 /* Not a big deal but we may say something */
337 Debug( LDAP_DEBUG_TRACE,
338 "ldbm_back_modrdn: old_rdn_type=%s, new_rdn_type=%s!\n",
339 old_rdn_type, new_rdn_type, 0 );
342 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
345 /* Add new attribute value to the entry.
348 add_bvals[0] = &add_bv; /* Array of bervals */
351 add_bv.bv_val = new_rdn_val;
352 add_bv.bv_len = strlen(new_rdn_val);
357 mod[0].sml_desc = NULL;
358 rc = slap_str2ad( new_rdn_type, &mod[0].sml_desc, &text );
360 if( rc != LDAP_SUCCESS ) {
361 Debug( LDAP_DEBUG_TRACE,
362 "ldbm_back_modrdn: %s: %s (new)\n",
363 text, new_rdn_type, 0 );
364 send_ldap_result( conn, op, rc,
365 NULL, text, NULL, NULL );
369 mod[0].sml_bvalues = add_bvals;
370 mod[0].sml_op = SLAP_MOD_SOFTADD;
371 mod[0].sml_next = NULL;
373 /* Remove old rdn value if required */
376 /* Get value of old rdn */
378 if ((old_rdn_val = rdn_attr_value( old_rdn ))
381 Debug( LDAP_DEBUG_TRACE,
382 "ldbm_back_modrdn: can't figure out old_rdn_val from old_rdn\n",
384 send_ldap_result( conn, op, LDAP_OTHER,
385 NULL, "could not parse value from old RDN", NULL, NULL );
389 del_bvals[0] = &del_bv; /* Array of bervals */
392 /* Remove old value of rdn as an attribute. */
394 del_bv.bv_val = old_rdn_val;
395 del_bv.bv_len = strlen(old_rdn_val);
400 mod[1].sml_desc = NULL;
401 rc = slap_str2ad( old_rdn_type, &mod[1].sml_desc, &text );
403 if( rc != LDAP_SUCCESS ) {
404 Debug( LDAP_DEBUG_TRACE,
405 "ldbm_back_modrdn: %s: %s (old)\n",
406 text, old_rdn_type, 0 );
407 send_ldap_result( conn, op, rc,
408 NULL, text, NULL, NULL );
412 mod[0].sml_next = &mod[1];
413 mod[1].sml_bvalues = del_bvals;
414 mod[1].sml_op = LDAP_MOD_DELETE;
415 mod[1].sml_next = NULL;
417 Debug( LDAP_DEBUG_TRACE,
418 "ldbm_back_modrdn: removing old_rdn_val=%s\n",
422 /* check for abandon */
423 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
424 if ( op->o_abandon ) {
425 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
428 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
431 if ( dn2id_delete( be, e->e_ndn, e->e_id ) != 0 ) {
432 send_ldap_result( conn, op, LDAP_OTHER,
433 NULL, "DN index delete fail", NULL, NULL );
437 (void) cache_delete_entry( &li->li_cache, e );
439 /* XXX: there is no going back! */
449 if ( dn2id_add( be, e->e_ndn, e->e_id ) != 0 ) {
450 send_ldap_result( conn, op, LDAP_OTHER,
451 NULL, "DN index add failed", NULL, NULL );
455 /* modify memory copy of entry */
456 rc = ldbm_modify_internal( be, conn, op, dn, &mod[0], e, &text );
458 if( rc != LDAP_SUCCESS ) {
459 if( rc != SLAPD_ABANDON ) {
460 send_ldap_result( conn, op, rc,
461 NULL, text, NULL, NULL );
467 (void) cache_update_entry( &li->li_cache, e );
469 /* NOTE: after this you must not free new_dn or new_ndn!
470 * They are used by cache.
474 if ( id2entry_add( be, e ) != 0 ) {
476 send_ldap_result( conn, op, LDAP_OTHER,
477 NULL, "entry update failed", NULL, NULL );
481 send_ldap_result( conn, op, LDAP_SUCCESS,
482 NULL, NULL, NULL, NULL );
486 if( new_dn != NULL ) free( new_dn );
487 if( new_ndn != NULL ) free( new_ndn );
489 if( p_dn != NULL ) free( p_dn );
490 if( p_ndn != NULL ) free( p_ndn );
492 /* LDAP v2 supporting correct attribute handling. */
493 if( new_rdn_type != NULL ) free(new_rdn_type);
494 if( new_rdn_val != NULL ) free(new_rdn_val);
495 if( old_rdn != NULL ) free(old_rdn);
496 if( old_rdn_type != NULL ) free(old_rdn_type);
497 if( old_rdn_val != NULL ) free(old_rdn_val);
500 /* LDAP v3 Support */
501 if ( np_dn != NULL ) free( np_dn );
502 if ( np_ndn != NULL ) free( np_ndn );
505 /* free new parent and writer lock */
506 cache_return_entry_w( &li->li_cache, np );
510 /* free parent and writer lock */
511 cache_return_entry_w( &li->li_cache, p );
515 /* release root writer lock */
516 ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
519 /* free entry and writer lock */
520 cache_return_entry_w( &li->li_cache, e );