1 /* modrdn.c - ldbm backend modrdn routine */
4 * LDAP v3 newSuperior support. Add new rdn as an attribute.
5 * (Full support for v2 also used software/ideas contributed
6 * by Roy Hooper rhooper@cyberus.ca, thanks to him for his
9 * Copyright 1999, Juan C. Gomez, All rights reserved.
10 * This software is not subject to any license of Silicon Graphics
11 * Inc. or Purdue University.
13 * Redistribution and use in source and binary forms are permitted
14 * without restriction or fee of any kind as long as this notice
23 #include <ac/string.h>
24 #include <ac/socket.h>
27 #include "back-ldbm.h"
28 #include "proto-back-ldbm.h"
41 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
43 char *p_dn = NULL, *p_ndn = NULL;
44 char *new_dn = NULL, *new_ndn = NULL;
48 /* Added to support LDAP v2 correctly (deleteoldrdn thing) */
49 char *new_rdn_val = NULL; /* Val of new rdn */
50 char *new_rdn_type = NULL; /* Type of new rdn */
51 char *old_rdn; /* Old rdn's attr type & val */
52 char *old_rdn_type = NULL; /* Type of old rdn attr. */
53 char *old_rdn_val = NULL; /* Old rdn attribute value */
54 struct berval bv; /* Stores new rdn att */
55 struct berval *bvals[2]; /* Stores new rdn att */
56 LDAPMod mod; /* Used to delete old rdn */
57 /* Added to support newSuperior */
58 Entry *np = NULL; /* newSuperior Entry */
59 char *np_dn = NULL; /* newSuperior dn */
60 char *np_ndn = NULL; /* newSuperior ndn */
61 char *new_parent_dn = NULL; /* np_dn, p_dn, or NULL */
63 Debug( LDAP_DEBUG_TRACE, "==>ldbm_back_modrdn(newSuperior=%s)\n",
64 (newSuperior ? newSuperior : "NULL"),
67 /* get entry with writer lock */
68 if ( (e = dn2entry_w( be, dn, &matched )) == NULL ) {
69 send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT, matched, "" );
70 if ( matched != NULL ) {
76 #ifdef SLAPD_CHILD_MODIFICATION_WITH_ENTRY_ACL
77 /* check parent for "children" acl */
78 if ( ! access_allowed( be, conn, op, e,
79 "entry", NULL, ACL_WRITE ) )
81 Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
83 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
89 if ( (p_ndn = dn_parent( be, e->e_ndn )) != NULL ) {
91 /* Make sure parent entry exist and we can write its
95 if( (p = dn2entry_w( be, p_ndn, &matched )) == NULL) {
96 Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
98 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
103 /* check parent for "children" acl */
104 if ( ! access_allowed( be, conn, op, p,
105 "children", NULL, ACL_WRITE ) )
107 Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
109 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
114 Debug( LDAP_DEBUG_TRACE,
115 "ldbm_back_modrdn: wr to children of entry %s OK\n",
118 p_dn = dn_parent( be, e->e_dn );
121 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
125 /* no parent, modrdn entry directly under root */
126 if( ! be_isroot( be, op->o_ndn ) ) {
127 Debug( LDAP_DEBUG_TRACE, "no parent & not root\n",
129 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
134 ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
137 Debug( LDAP_DEBUG_TRACE,
138 "ldbm_back_modrdn: no parent, locked root\n",
141 }/* if ( (p_ndn = dn_parent( be, e->e_ndn )) != NULL ) else */
143 new_parent_dn = p_dn; /* New Parent unless newSuperior given */
145 if ( (np_dn = newSuperior) != NULL) {
148 Debug( LDAP_DEBUG_TRACE,
149 "ldbm_back_modrdn: new parent requested...\n",
152 np_ndn = dn_normalize_case( ch_strdup( np_dn ) );
154 /* newSuperior == oldParent?, if so ==> ERROR */
156 /* newSuperior == entry being moved?, if so ==> ERROR */
158 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
160 if( (np = dn2entry_w( be, np_ndn, &matched )) == NULL) {
162 Debug( LDAP_DEBUG_TRACE,
163 "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
165 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "",
170 Debug( LDAP_DEBUG_TRACE,
171 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%d\n",
174 /* check newSuperior for "children" acl */
175 if ( !access_allowed( be, conn, op, np, "children", NULL,
178 Debug( LDAP_DEBUG_TRACE,
179 "ldbm_back_modrdn: no wr to newSup children\n",
181 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
186 Debug( LDAP_DEBUG_TRACE,
187 "ldbm_back_modrdn: wr to new parent's children OK\n",
191 new_parent_dn = np_dn;
195 /* Build target dn and make sure target entry doesn't exist already. */
197 build_new_dn( &new_dn, e->e_dn, new_parent_dn, newrdn );
200 new_ndn = dn_normalize_case( ch_strdup(new_dn) );
202 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
205 if (dn2id ( be, new_ndn ) != NOID) {
206 send_ldap_result( conn, op, LDAP_ALREADY_EXISTS, NULL, NULL );
210 Debug( LDAP_DEBUG_TRACE,
211 "ldbm_back_modrdn: new ndn=%s does not exist\n",
214 /* check for abandon */
215 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
216 if ( op->o_abandon ) {
217 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
220 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
223 if ( dn2id_delete( be, e->e_ndn ) != 0 ) {
224 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL, NULL );
228 (void) cache_delete_entry( &li->li_cache, e );
235 if ( dn2id_add( be, e->e_ndn, e->e_id ) != 0 ) {
236 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL, NULL );
241 /* Get attribute type and attribute value of our new rdn, we will
242 * need to add that to our new entry
245 if ( (new_rdn_type = rdn_attr_type( newrdn )) == NULL ) {
247 Debug( LDAP_DEBUG_TRACE,
248 "ldbm_back_modrdn: can't figure out type of newrdn\n",
250 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
255 if ( (new_rdn_val = rdn_attr_value( newrdn )) == NULL ) {
257 Debug( LDAP_DEBUG_TRACE,
258 "ldbm_back_modrdn: can't figure out val of newrdn\n",
260 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
265 Debug( LDAP_DEBUG_TRACE,
266 "ldbm_back_modrdn: new_rdn_val=\"%s\", new_rdn_type=\"%s\"\n",
267 new_rdn_val, new_rdn_type, 0 );
269 /* Retrieve the old rdn from the entry's dn */
271 if ( (old_rdn = dn_rdn( be, dn )) == NULL ) {
273 Debug( LDAP_DEBUG_TRACE,
274 "ldbm_back_modrdn: can't figure out old_rdn from dn\n",
276 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
281 if ( (old_rdn_type = rdn_attr_type( old_rdn )) == NULL ) {
283 Debug( LDAP_DEBUG_TRACE,
284 "ldbm_back_modrdn: can't figure out the old_rdn type\n",
286 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
291 if ( strcasecmp( old_rdn_type, new_rdn_type ) != 0 ) {
293 /* Not a big deal but we may say something */
294 Debug( LDAP_DEBUG_TRACE,
295 "ldbm_back_modrdn: old_rdn_type=%s, new_rdn_type=%s!\n",
296 old_rdn_type, new_rdn_type, 0 );
300 if ( dn_type( old_rdn ) == DN_X500 ) {
302 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
305 bvals[0] = &bv; /* Array of bervals */
309 /* Remove old rdn value if required */
313 /* Get value of old rdn */
315 if ((old_rdn_val = rdn_attr_value( old_rdn ))
318 Debug( LDAP_DEBUG_TRACE,
319 "ldbm_back_modrdn: can't figure out old_rdn_val from old_rdn\n",
321 send_ldap_result( conn, op,
322 LDAP_OPERATIONS_ERROR,
329 /* Remove old value of rdn as an attribute. */
331 bv.bv_val = old_rdn_val;
332 bv.bv_len = strlen(old_rdn_val);
334 /* No need to normalize old_rdn_type, delete_values()
337 mod.mod_type = old_rdn_type;
338 mod.mod_bvalues = bvals;
339 mod.mod_op = LDAP_MOD_DELETE; /* XXX:really needed?*/
341 /* Assembly mod structure */
343 if ( delete_values( e, &mod, op->o_ndn )
346 /* Could not find old_rdn as an attribute or
347 * the old value was not present. Return an
350 Debug( LDAP_DEBUG_TRACE,
351 "ldbm_back_modrdn: old rdn not found or att type doesn't exist\n",
353 send_ldap_result( conn, op,
354 LDAP_OPERATIONS_ERROR,
360 Debug( LDAP_DEBUG_TRACE,
361 "ldbm_back_modrdn: removed old_rdn_val=%s\n",
364 }/* if (deleteoldrdn) */
366 /* Add new attribute value to the entry.
369 bv.bv_val = new_rdn_val;
370 bv.bv_len = strlen(new_rdn_val);
373 Debug( LDAP_DEBUG_TRACE,
374 "ldbm_back_modrdn: adding new rdn attr val =\"%s\"\n",
377 /* No need to normalize new_rdn_type, attr_merge does it */
379 attr_merge( e, new_rdn_type, bvals );
381 /* Update new_rdn_type if it is an index */
383 index_add_values( be, new_rdn_type, bvals, e->e_id );
388 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DNS DN\n",
390 /* XXXV3: not sure of what to do here */
391 Debug( LDAP_DEBUG_TRACE,
392 "ldbm_back_modrdn: not fully implemented...\n",
397 (void) cache_update_entry( &li->li_cache, e );
400 if ( id2entry_add( be, e ) != 0 ) {
402 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
406 send_ldap_result( conn, op, LDAP_SUCCESS, NULL, NULL );
411 * new_dn and new_ndn are not deallocated because they are used by
414 if( p_dn != NULL ) free( p_dn );
415 if( p_ndn != NULL ) free( p_ndn );
417 if( matched != NULL ) free( matched );
419 /* LDAP v2 supporting correct attribute handling. */
420 if( new_rdn_type != NULL ) free(new_rdn_type);
421 if( new_rdn_val != NULL ) free(new_rdn_val);
422 if( old_rdn != NULL ) free(old_rdn);
423 if( old_rdn_type != NULL ) free(old_rdn_type);
424 if( old_rdn_val != NULL ) free(old_rdn_val);
427 /* LDAP v3 Support */
428 if ( np_dn != NULL ) free( np_dn );
429 if ( np_ndn != NULL ) free( np_ndn );
432 /* free parent and writer lock */
433 cache_return_entry_w( &li->li_cache, p );
437 /* release root writer lock */
438 ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
441 /* free entry and writer lock */
442 cache_return_entry_w( &li->li_cache, e );