1 /* modrdn.c - ldbm backend modrdn routine */
4 * Copyright 1998-1999 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"
47 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
48 char *p_dn = NULL, *p_ndn = NULL;
49 char *new_dn = NULL, *new_ndn = NULL;
54 /* Added to support LDAP v2 correctly (deleteoldrdn thing) */
55 char *new_rdn_val = NULL; /* Val of new rdn */
56 char *new_rdn_type = NULL; /* Type of new rdn */
57 char *old_rdn = NULL; /* Old rdn's attr type & val */
58 char *old_rdn_type = NULL; /* Type of old rdn attr. */
59 char *old_rdn_val = NULL; /* Old rdn attribute value */
60 /* Added to support newSuperior */
61 Entry *np = NULL; /* newSuperior Entry */
62 char *np_dn = NULL; /* newSuperior dn */
63 char *np_ndn = NULL; /* newSuperior ndn */
64 char *new_parent_dn = NULL; /* np_dn, p_dn, or NULL */
65 /* Used to interface with ldbm_modify_internal() */
66 struct berval add_bv; /* Stores new rdn att */
67 struct berval *add_bvals[2]; /* Stores new rdn att */
68 struct berval del_bv; /* Stores old rdn att */
69 struct berval *del_bvals[2]; /* Stores old rdn att */
70 LDAPModList mod[2]; /* Used to delete old rdn */
71 int manageDSAit = get_manageDSAit( op );
73 Debug( LDAP_DEBUG_TRACE, "==>ldbm_back_modrdn(newSuperior=%s)\n",
74 (newSuperior ? newSuperior : "NULL"),
77 /* get entry with writer lock */
78 if ( (e = dn2entry_w( be, ndn, &matched )) == NULL ) {
79 char* matched_dn = NULL;
80 struct berval** refs = NULL;
82 if( matched != NULL ) {
83 matched_dn = strdup( matched->e_dn );
84 refs = is_entry_referral( matched )
85 ? get_entry_referrals( be, conn, op, matched )
87 cache_return_entry_r( &li->li_cache, matched );
89 refs = default_referral;
92 send_ldap_result( conn, op, LDAP_REFERRAL,
93 matched_dn, NULL, refs, NULL );
95 if ( matched != NULL ) {
103 #ifdef SLAPD_CHILD_MODIFICATION_WITH_ENTRY_ACL
104 if ( ! access_allowed( be, conn, op, e,
105 "entry", NULL, ACL_WRITE ) )
107 Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
109 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
110 NULL, NULL, NULL, NULL );
115 if (!manageDSAit && is_entry_referral( e ) ) {
116 /* parent is a referral, don't allow add */
117 /* parent is an alias, don't allow add */
118 struct berval **refs = get_entry_referrals( be,
121 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
124 send_ldap_result( conn, op, LDAP_REFERRAL,
125 e->e_dn, NULL, refs, NULL );
127 ber_bvecfree( refs );
132 if ( (p_ndn = dn_parent( be, e->e_ndn )) != NULL ) {
134 /* Make sure parent entry exist and we can write its
138 if( (p = dn2entry_w( be, p_ndn, NULL )) == NULL) {
139 Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
141 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
142 NULL, NULL, NULL, NULL );
146 /* check parent for "children" acl */
147 if ( ! access_allowed( be, conn, op, p,
148 "children", NULL, ACL_WRITE ) )
150 Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
152 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
153 NULL, NULL, NULL, NULL );
157 Debug( LDAP_DEBUG_TRACE,
158 "ldbm_back_modrdn: wr to children of entry %s OK\n",
161 p_dn = dn_parent( be, e->e_dn );
164 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
168 /* no parent, modrdn entry directly under root */
169 if( ! be_isroot( be, op->o_ndn ) ) {
170 Debug( LDAP_DEBUG_TRACE, "no parent & not root\n",
172 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
173 NULL, NULL, NULL, NULL );
177 ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
180 Debug( LDAP_DEBUG_TRACE,
181 "ldbm_back_modrdn: no parent, locked root\n",
186 new_parent_dn = p_dn; /* New Parent unless newSuperior given */
188 if ( (np_dn = newSuperior) != NULL) {
189 Debug( LDAP_DEBUG_TRACE,
190 "ldbm_back_modrdn: new parent requested...\n",
193 np_ndn = ch_strdup( np_dn );
194 (void) dn_normalize( np_ndn );
196 /* newSuperior == oldParent?, if so ==> ERROR */
197 /* newSuperior == entry being moved?, if so ==> ERROR */
198 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
200 if( (np = dn2entry_w( be, np_ndn, NULL )) == NULL) {
201 Debug( LDAP_DEBUG_TRACE,
202 "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
204 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
205 NULL, NULL, NULL, NULL );
209 Debug( LDAP_DEBUG_TRACE,
210 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
213 /* check newSuperior for "children" acl */
214 if ( !access_allowed( be, conn, op, np, "children", NULL,
217 Debug( LDAP_DEBUG_TRACE,
218 "ldbm_back_modrdn: no wr to newSup children\n",
220 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
221 NULL, NULL, NULL, NULL );
225 if ( is_entry_alias( np ) ) {
226 /* entry is an alias, don't allow bind */
227 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0,
230 send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
231 NULL, NULL, NULL, NULL );
236 if ( is_entry_referral( np ) ) {
237 /* parent is a referral, don't allow add */
238 /* parent is an alias, don't allow add */
239 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
242 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
243 NULL, NULL, NULL, NULL );
248 Debug( LDAP_DEBUG_TRACE,
249 "ldbm_back_modrdn: wr to new parent's children OK\n",
252 new_parent_dn = np_dn;
255 /* Build target dn and make sure target entry doesn't exist already. */
257 build_new_dn( &new_dn, e->e_dn, new_parent_dn, newrdn );
260 new_ndn = ch_strdup(new_dn);
261 (void) dn_normalize( new_ndn );
263 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
266 /* check for abandon */
267 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
268 if ( op->o_abandon ) {
269 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
273 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
274 if (dn2id ( be, new_ndn ) != NOID) {
275 send_ldap_result( conn, op, LDAP_ALREADY_EXISTS,
276 NULL, NULL, NULL, NULL );
280 Debug( LDAP_DEBUG_TRACE,
281 "ldbm_back_modrdn: new ndn=%s does not exist\n",
284 /* Get attribute type and attribute value of our new rdn, we will
285 * need to add that to our new entry
288 if ( (new_rdn_type = rdn_attr_type( newrdn )) == NULL ) {
290 Debug( LDAP_DEBUG_TRACE,
291 "ldbm_back_modrdn: can't figure out type of newrdn\n",
293 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
294 NULL, NULL, NULL, NULL );
299 if ( (new_rdn_val = rdn_attr_value( newrdn )) == NULL ) {
301 Debug( LDAP_DEBUG_TRACE,
302 "ldbm_back_modrdn: can't figure out val of newrdn\n",
304 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
305 NULL, NULL, NULL, NULL );
310 Debug( LDAP_DEBUG_TRACE,
311 "ldbm_back_modrdn: new_rdn_val=\"%s\", new_rdn_type=\"%s\"\n",
312 new_rdn_val, new_rdn_type, 0 );
314 /* Retrieve the old rdn from the entry's dn */
316 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_OPERATIONS_ERROR,
322 NULL, NULL, NULL, NULL );
327 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_OPERATIONS_ERROR,
333 NULL, NULL, NULL, NULL );
338 if ( strcasecmp( old_rdn_type, new_rdn_type ) != 0 ) {
340 /* Not a big deal but we may say something */
341 Debug( LDAP_DEBUG_TRACE,
342 "ldbm_back_modrdn: old_rdn_type=%s, new_rdn_type=%s!\n",
343 old_rdn_type, new_rdn_type, 0 );
348 if ( dn_type( old_rdn ) == DN_X500 ) {
351 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
354 /* Add new attribute value to the entry.
357 add_bvals[0] = &add_bv; /* Array of bervals */
360 add_bv.bv_val = new_rdn_val;
361 add_bv.bv_len = strlen(new_rdn_val);
363 mod[0].ml_type = new_rdn_type;
364 mod[0].ml_bvalues = add_bvals;
365 mod[0].ml_op = LDAP_MOD_SOFTADD;
366 mod[0].ml_next = NULL;
368 /* Remove old rdn value if required */
371 /* Get value of old rdn */
373 if ((old_rdn_val = rdn_attr_value( old_rdn ))
376 Debug( LDAP_DEBUG_TRACE,
377 "ldbm_back_modrdn: can't figure out old_rdn_val from old_rdn\n",
379 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
380 NULL, NULL, NULL, NULL );
384 del_bvals[0] = &del_bv; /* Array of bervals */
387 /* Remove old value of rdn as an attribute. */
389 del_bv.bv_val = old_rdn_val;
390 del_bv.bv_len = strlen(old_rdn_val);
392 /* No need to normalize old_rdn_type, delete_values()
395 mod[0].ml_next = &mod[1];
396 mod[1].ml_type = old_rdn_type;
397 mod[1].ml_bvalues = del_bvals;
398 mod[1].ml_op = LDAP_MOD_DELETE;
399 mod[1].ml_next = NULL;
401 Debug( LDAP_DEBUG_TRACE,
402 "ldbm_back_modrdn: removing old_rdn_val=%s\n",
408 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DNS DN\n",
410 /* XXXV3: not sure of what to do here */
411 Debug( LDAP_DEBUG_TRACE,
412 "ldbm_back_modrdn: not fully implemented...\n",
415 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
416 NULL, NULL, NULL, NULL );
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_OPERATIONS_ERROR,
433 NULL, NULL, 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_OPERATIONS_ERROR,
451 NULL, NULL, NULL, NULL );
455 /* modify memory copy of entry */
456 rc = ldbm_modify_internal( be, conn, op, dn, &mod[0], e );
458 if( rc != LDAP_SUCCESS ) {
459 if( rc != SLAPD_ABANDON ) {
460 send_ldap_result( conn, op, rc,
461 NULL, NULL, 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_OPERATIONS_ERROR,
477 NULL, NULL, 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 );