1 /* modrdn.c - bdb2 backend modrdn routine */
4 * LDAP v3 newSuperior support.
6 * Copyright 1999, Juan C. Gomez, All rights reserved.
7 * This software is not subject to any license of Silicon Graphics
8 * Inc. or Purdue University.
10 * Redistribution and use in source and binary forms are permitted
11 * without restriction or fee of any kind as long as this notice
20 #include <ac/string.h>
21 #include <ac/socket.h>
24 #include "back-bdb2.h"
25 #include "proto-back-bdb2.h"
28 bdb2i_back_modrdn_internal(
38 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
39 Entry *matched = NULL;
40 char *p_dn = NULL, *p_ndn = NULL;
41 char *new_dn = NULL, *new_ndn = NULL;
44 int rc = -1, manageDSAit;
45 /* Added to support LDAP v2 correctly (deleteoldrdn thing) */
46 char *new_rdn_val = NULL; /* Val of new rdn */
47 char *new_rdn_type = NULL; /* Type of new rdn */
48 char *old_rdn; /* Old rdn's attr type & val */
49 char *old_rdn_type = NULL; /* Type of old rdn attr. */
50 char *old_rdn_val = NULL; /* Old rdn attribute value */
51 struct berval add_bv; /* Stores new rdn att */
52 struct berval *add_bvals[2]; /* Stores new rdn att */
53 struct berval del_bv; /* Stores old rdn att */
54 struct berval *del_bvals[2]; /* Stores old rdn att */
55 LDAPModList mod[2]; /* Used to delete old rdn */
56 /* Added to support newSuperior */
57 Entry *np = NULL; /* newSuperior Entry */
58 char *np_dn = NULL; /* newSuperior dn */
59 char *np_ndn = NULL; /* newSuperior ndn */
60 char *new_parent_dn = NULL; /* np_dn, p_dn, or NULL */
62 Debug( LDAP_DEBUG_TRACE, "==>ldbm_back_modrdn(newSuperior=%s)\n",
63 (newSuperior ? newSuperior : "NULL"),
66 /* get entry with writer lock */
67 if ( (e = bdb2i_dn2entry_w( be, dn, &matched )) == NULL ) {
68 char *matched_dn = NULL;
69 struct berval **refs = NULL;
71 if ( matched != NULL ) {
72 matched_dn = ch_strdup( matched->e_dn );
73 refs = is_entry_referral( matched )
74 ? get_entry_referrals( be, conn, op, matched )
76 bdb2i_cache_return_entry_r( &li->li_cache, matched );
78 refs = default_referral;
81 send_ldap_result( conn, op, LDAP_REFERRAL,
82 matched_dn, NULL, refs, NULL );
84 if( matched != NULL ) {
92 if (!manageDSAit && is_entry_referral( e ) ) {
93 /* entry is a referral, don't allow add */
94 struct berval **refs = get_entry_referrals( be,
97 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
100 send_ldap_result( conn, op, LDAP_REFERRAL,
101 e->e_dn, NULL, refs, NULL );
103 ber_bvecfree( refs );
108 #ifdef SLAPD_CHILD_MODIFICATION_WITH_ENTRY_ACL
109 /* check parent for "children" acl */
110 if ( ! access_allowed( be, conn, op, e,
111 "entry", NULL, ACL_WRITE ) )
113 Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
115 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
116 NULL, NULL, NULL, NULL );
121 if ( (p_ndn = dn_parent( be, e->e_ndn )) != NULL ) {
122 /* parent + rdn + separator(s) + null */
123 if( (p = bdb2i_dn2entry_w( be, p_ndn, &matched )) == NULL) {
124 Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
126 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
127 NULL, NULL, NULL, NULL );
131 /* check parent for "children" acl */
132 if ( ! access_allowed( be, conn, op, p,
133 "children", NULL, ACL_WRITE ) )
135 Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
137 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
138 NULL, NULL, NULL, NULL );
142 p_dn = dn_parent( be, e->e_dn );
144 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
149 /* no parent, modrdn entry directly under root */
150 if( ! be_isroot( be, op->o_ndn ) ) {
151 Debug( LDAP_DEBUG_TRACE, "no parent & not root\n",
153 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
154 NULL, NULL, NULL, NULL );
158 Debug( LDAP_DEBUG_TRACE,
159 "ldbm_back_modrdn: no parent!, working on root\n",
164 new_parent_dn = p_dn; /* New Parent unless newSuperior given */
166 if ( (np_dn = newSuperior) != NULL) {
169 Debug( LDAP_DEBUG_TRACE,
170 "ldbm_back_modrdn: new parent requested...\n",
173 np_ndn = ch_strdup( np_dn );
174 (void) dn_normalize_case( np_ndn );
176 /* newSuperior == oldParent?, if so ==> ERROR */
178 /* newSuperior == entry being moved?, if so ==> ERROR */
180 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
182 if( (np = bdb2i_dn2entry_w( be, np_ndn, &matched )) == NULL) {
184 Debug( LDAP_DEBUG_TRACE,
185 "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
187 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
188 NULL, NULL, NULL, NULL );
192 Debug( LDAP_DEBUG_TRACE,
193 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%d\n",
196 /* check newSuperior for "children" acl */
197 if ( !access_allowed( be, conn, op, np, "children", NULL,
200 Debug( LDAP_DEBUG_TRACE,
201 "ldbm_back_modrdn: no wr to newSup children\n",
203 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
204 NULL, NULL, NULL, NULL );
208 Debug( LDAP_DEBUG_TRACE,
209 "ldbm_back_modrdn: wr to new parent's children OK\n",
213 new_parent_dn = np_dn;
217 /* Build target dn and make sure target entry doesn't exist already. */
219 build_new_dn( &new_dn, e->e_dn, new_parent_dn, newrdn );
222 new_ndn = ch_strdup( new_dn );
223 (void) dn_normalize_case( new_ndn );
225 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
228 if ( (bdb2i_dn2id ( be, new_ndn ) ) != NOID ) {
229 send_ldap_result( conn, op, LDAP_ALREADY_EXISTS,
230 NULL, NULL, NULL, NULL );
234 /* check for abandon */
235 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
236 if ( op->o_abandon ) {
237 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
240 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
243 if ( bdb2i_dn2id_delete( be, e->e_ndn ) != 0 ) {
244 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
245 NULL, NULL, NULL, NULL );
249 (void) bdb2i_cache_delete_entry( &li->li_cache, e );
257 if ( bdb2i_dn2id_add( be, e->e_ndn, e->e_id ) != 0 ) {
258 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
259 NULL, NULL, NULL, NULL );
263 /* Get attribute type and attribute value of our new rdn, we will
264 * need to add that to our new entry
267 if ( (new_rdn_type = rdn_attr_type( newrdn )) == NULL ) {
269 Debug( LDAP_DEBUG_TRACE,
270 "ldbm_back_modrdn: can't figure out type of newrdn\n",
272 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
273 NULL, NULL, NULL, NULL );
278 if ( (new_rdn_val = rdn_attr_value( newrdn )) == NULL ) {
280 Debug( LDAP_DEBUG_TRACE,
281 "ldbm_back_modrdn: can't figure out val of newrdn\n",
283 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
284 NULL, NULL, NULL, NULL );
289 Debug( LDAP_DEBUG_TRACE,
290 "ldbm_back_modrdn: new_rdn_val=%s, new_rdn_type=%s\n",
291 new_rdn_val, new_rdn_type, 0 );
293 /* Retrieve the old rdn from the entry's dn */
295 if ( (old_rdn = dn_rdn( be, dn )) == NULL ) {
297 Debug( LDAP_DEBUG_TRACE,
298 "ldbm_back_modrdn: can't figure out old_rdn from dn\n",
300 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
301 NULL, NULL, NULL, NULL );
306 if ( (old_rdn_type = rdn_attr_type( old_rdn )) == NULL ) {
308 Debug( LDAP_DEBUG_TRACE,
309 "ldbm_back_modrdn: can't figure out the old_rdn type\n",
311 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
312 NULL, NULL, NULL, NULL );
317 if ( strcasecmp( old_rdn_type, new_rdn_type ) != 0 ) {
319 /* Not a big deal but we may say something */
320 Debug( LDAP_DEBUG_TRACE,
321 "ldbm_back_modrdn: old_rdn_type=%s, new_rdn_type=%s!\n",
322 old_rdn_type, new_rdn_type, 0 );
327 if ( dn_type( old_rdn ) == DN_X500 ) {
330 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
333 /* Add new attribute value to the entry.
336 add_bvals[0] = &add_bv; /* Array of bervals */
339 add_bv.bv_val = new_rdn_val;
340 add_bv.bv_len = strlen(new_rdn_val);
342 mod[0].ml_type = new_rdn_type;
343 mod[0].ml_bvalues = add_bvals;
344 mod[0].ml_op = LDAP_MOD_SOFTADD;
345 mod[0].ml_next = NULL;
347 Debug( LDAP_DEBUG_TRACE,
348 "ldbm_back_modrdn: adding new rdn attr val =%s\n",
351 /* Remove old rdn value if required */
355 del_bvals[0] = &del_bv; /* Array of bervals */
357 /* Get value of old rdn */
359 if ((old_rdn_val = rdn_attr_value( old_rdn ))
362 Debug( LDAP_DEBUG_TRACE,
363 "ldbm_back_modrdn: can't figure out old_rdn_val from old_rdn\n",
365 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
366 NULL, NULL, NULL, NULL );
372 /* Remove old value of rdn as an attribute. */
374 del_bv.bv_val = old_rdn_val;
375 del_bv.bv_len = strlen(old_rdn_val);
377 mod[0].ml_next = &mod[1];
378 mod[1].ml_type = old_rdn_type;
379 mod[1].ml_bvalues = del_bvals;
380 mod[1].ml_op = LDAP_MOD_DELETE;
381 mod[1].ml_next = NULL;
384 Debug( LDAP_DEBUG_TRACE,
385 "ldbm_back_modrdn: removing old_rdn_val=%s\n",
388 }/* if (deleteoldrdn) */
394 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DNS DN\n",
396 /* XXXV3: not sure of what to do here */
397 Debug( LDAP_DEBUG_TRACE,
398 "ldbm_back_modrdn: not fully implemented...\n",
404 /* modify memory copy of entry */
405 if ( bdb2i_back_modify_internal( be, conn, op, dn, &mod[0], e )
412 (void) bdb2i_cache_update_entry( &li->li_cache, e );
414 /* NOTE: after this you must not free new_dn or new_ndn!
415 * They are used by cache.
419 if ( bdb2i_id2entry_add( be, e ) != 0 ) {
421 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
422 NULL, NULL, NULL, NULL );
423 goto return_results_after;
426 send_ldap_result( conn, op, LDAP_SUCCESS,
427 NULL, NULL, NULL, NULL );
429 goto return_results_after;
432 if( new_dn != NULL ) free( new_dn );
433 if( new_ndn != NULL ) free( new_ndn );
435 return_results_after:
437 * new_dn and new_ndn are not deallocated because they are used by
440 if( p_dn != NULL ) free( p_dn );
441 if( p_ndn != NULL ) free( p_ndn );
443 /* LDAP v2 supporting correct attribute handling. */
444 if( new_rdn_type != NULL ) free(new_rdn_type);
445 if( new_rdn_val != NULL ) free(new_rdn_val);
446 if( old_rdn != NULL ) free(old_rdn);
447 if( old_rdn_type != NULL ) free(old_rdn_type);
448 if( old_rdn_val != NULL ) free(old_rdn_val);
450 /* LDAP v3 Support */
451 if ( np_dn != NULL ) free( np_dn );
452 if ( np_ndn != NULL ) free( np_ndn );
455 /* free parent and writer lock */
456 bdb2i_cache_return_entry_w( &li->li_cache, p );
460 /* free entry and writer lock */
461 bdb2i_cache_return_entry_w( &li->li_cache, e );
478 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
479 struct timeval time1;
482 bdb2i_start_timing( be->bd_info, &time1 );
484 if ( bdb2i_enter_backend_w( &lock ) != 0 ) {
485 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
486 NULL, NULL, NULL, NULL );
491 ret = bdb2i_back_modrdn_internal( be, conn, op, dn,
492 newrdn, deleteoldrdn,
495 (void) bdb2i_leave_backend_w( lock );
496 bdb2i_stop_timing( be->bd_info, time1, "MODRDN", conn, op );