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;
49 /* Added to support LDAP v2 correctly (deleteoldrdn thing) */
50 char *new_rdn_val = NULL; /* Val of new rdn */
51 char *new_rdn_type = NULL; /* Type of new rdn */
52 char *old_rdn; /* Old rdn's attr type & val */
53 char *old_rdn_type = NULL; /* Type of old rdn attr. */
54 char *old_rdn_val = NULL; /* Old rdn attribute value */
55 struct berval bv; /* Stores new rdn att */
56 struct berval *bvals[2]; /* Stores new rdn att */
57 LDAPMod mod; /* Used to delete old rdn */
58 /* Added to support newSuperior */
59 Entry *np = NULL; /* newSuperior Entry */
60 char *np_dn = NULL; /* newSuperior dn */
61 char *np_ndn = NULL; /* newSuperior ndn */
62 char *new_parent_dn = NULL; /* np_dn, p_dn, or NULL */
64 Debug( LDAP_DEBUG_TRACE, "==>ldbm_back_modrdn(newSuperior=%s)\n",\
65 (newSuperior ? newSuperior : "NULL"),\
68 /* get entry with writer lock */
69 if ( (e = dn2entry_w( be, dn, &matched )) == NULL ) {
70 send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT, matched, "" );
71 if ( matched != NULL ) {
77 #ifdef SLAPD_CHILD_MODIFICATION_WITH_ENTRY_ACL
78 /* check parent for "children" acl */
79 if ( ! access_allowed( be, conn, op, e,
80 "entry", NULL, ACL_WRITE ) )
82 Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
84 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
90 if ( (p_ndn = dn_parent( be, e->e_ndn )) != NULL ) {
92 /* Make sure parent entry exist and we can write its
96 if( (p = dn2entry_w( be, p_ndn, &matched )) == NULL) {
97 Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
99 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
104 #ifndef SLAPD_CHILD_MODIFICATION_WITH_ENTRY_ACL
105 /* check parent for "children" acl */
106 if ( ! access_allowed( be, conn, op, p,
107 "children", NULL, ACL_WRITE ) )
109 Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
111 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
116 Debug( LDAP_DEBUG_TRACE,
117 "ldbm_back_modrdn: wr to children of entry %s OK\n",
121 p_dn = dn_parent( be, e->e_dn );
124 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
128 /* no parent, modrdn entry directly under root */
129 if( ! be_isroot( be, op->o_ndn ) ) {
130 Debug( LDAP_DEBUG_TRACE, "no parent & not root\n",
132 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
137 ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
140 Debug( LDAP_DEBUG_TRACE,
141 "ldbm_back_modrdn: no parent, locked root\n",
144 }/* if ( (p_ndn = dn_parent( be, e->e_ndn )) != NULL ) else */
146 new_parent_dn = p_dn; /* New Parent unless newSuperior given */
148 if ( (np_dn = newSuperior) != NULL) {
151 Debug( LDAP_DEBUG_TRACE,
152 "ldbm_back_modrdn: new parent requested...\n",
155 np_ndn = dn_normalize_case( ch_strdup( np_dn ) );
157 /* newSuperior == oldParent?, if so ==> ERROR */
159 /* newSuperior == entry being moved?, if so ==> ERROR */
161 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
163 if( (np = dn2entry_w( be, np_ndn, &matched )) == NULL) {
165 Debug( LDAP_DEBUG_TRACE,
166 "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
168 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "",
173 Debug( LDAP_DEBUG_TRACE,
174 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%d\n",
177 #ifndef SLAPD_CHILD_MODIFICATION_WITH_ENTRY_ACL
178 /* check newSuperior for "children" acl */
179 if ( !access_allowed( be, conn, op, np, "children", NULL,
182 Debug( LDAP_DEBUG_TRACE,
183 "ldbm_back_modrdn: no wr to newSup children\n",
185 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
191 Debug( LDAP_DEBUG_TRACE,
192 "ldbm_back_modrdn: wr to new parent's children OK\n",
196 new_parent_dn = np_dn;
200 /* Build target dn and make sure target entry doesn't exist already. */
202 build_new_dn( &new_dn, e->e_dn, new_parent_dn, newrdn );
205 new_ndn = dn_normalize_case( ch_strdup(new_dn) );
207 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
210 if (dn2id ( be, new_ndn ) != NOID) {
211 send_ldap_result( conn, op, LDAP_ALREADY_EXISTS, NULL, NULL );
215 Debug( LDAP_DEBUG_TRACE,
216 "ldbm_back_modrdn: new ndn=%s does not exist\n",
219 /* check for abandon */
220 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
221 if ( op->o_abandon ) {
222 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
225 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
228 if ( dn2id_add( be, new_ndn, e->e_id ) != 0 ) {
229 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL, NULL );
234 if ( dn2id_delete( be, e->e_ndn ) != 0 ) {
235 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, NULL, NULL );
239 (void) cache_delete_entry( &li->li_cache, e );
245 /* Get attribute type and attribute value of our new rdn, we will
246 * need to add that to our new entry
249 if ( (new_rdn_type = rdn_attr_type( newrdn )) == NULL ) {
251 Debug( LDAP_DEBUG_TRACE,
252 "ldbm_back_modrdn: can't figure out type of newrdn\n",
254 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
259 if ( (new_rdn_val = rdn_attr_value( newrdn )) == NULL ) {
261 Debug( LDAP_DEBUG_TRACE,
262 "ldbm_back_modrdn: can't figure out val of newrdn\n",
264 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
269 Debug( LDAP_DEBUG_TRACE,\
270 "ldbm_back_modrdn: new_rdn_val=%s, new_rdn_type=%s\n",\
271 new_rdn_val, new_rdn_type, 0 );
273 /* Retrieve the old rdn from the entry's dn */
275 if ( (old_rdn = dn_rdn( be, dn )) == NULL ) {
277 Debug( LDAP_DEBUG_TRACE,
278 "ldbm_back_modrdn: can't figure out old_rdn from dn\n",
280 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
285 if ( (old_rdn_type = rdn_attr_type( old_rdn )) == NULL ) {
287 Debug( LDAP_DEBUG_TRACE,
288 "ldbm_back_modrdn: can't figure out the old_rdn type\n",
290 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
295 if ( strcasecmp( old_rdn_type, new_rdn_type ) != 0 ) {
297 /* Not a big deal but we may say something */
298 Debug( LDAP_DEBUG_TRACE,\
299 "ldbm_back_modrdn: old_rdn_type=%s, new_rdn_type=%s!\n",\
300 old_rdn_type, new_rdn_type, 0 );
304 if ( dn_type( old_rdn ) == DN_X500 ) {
306 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
309 bvals[0] = &bv; /* Array of bervals */
312 /* Remove old rdn value if required */
316 /* Get value of old rdn */
318 if ((old_rdn_val = rdn_attr_value( old_rdn ))
321 Debug( LDAP_DEBUG_TRACE,
322 "ldbm_back_modrdn: can't figure out old_rdn_val from old_rdn\n",
324 send_ldap_result( conn, op,
325 LDAP_OPERATIONS_ERROR,
332 /* Remove old value of rdn as an attribute. */
334 bv.bv_val = old_rdn_val;
335 bv.bv_len = strlen(old_rdn_val);
337 /* No need to normalize old_rdn_type, delete_values()
340 mod.mod_type = old_rdn_type;
341 mod.mod_bvalues = bvals;
342 mod.mod_op = LDAP_MOD_DELETE; /* XXX:really needed?*/
344 /* Assembly mod structure */
346 if ( delete_values( e, &mod, op->o_ndn )
349 /* Could not find old_rdn as an attribute or
350 * the old value was not present. Return an
353 Debug( LDAP_DEBUG_TRACE,
354 "ldbm_back_modrdn: old rdn not found or att type doesn't exist\n",
356 send_ldap_result( conn, op,
357 LDAP_OPERATIONS_ERROR,
363 Debug( LDAP_DEBUG_TRACE,\
364 "ldbm_back_modrdn: removed old_rdn_val=%s\n",\
367 }/* if (deleteoldrdn) */
369 /* Add new attribute value to the entry.
372 bv.bv_val = new_rdn_val;
373 bv.bv_len = strlen(new_rdn_val);
376 Debug( LDAP_DEBUG_TRACE,
377 "ldbm_back_modrdn: adding new rdn attr val =%s\n",
380 /* No need to normalize new_rdn_type, attr_merge does it */
382 attr_merge( e, new_rdn_type, bvals );
387 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DNS DN\n",
389 /* XXXV3: not sure of what to do here */
390 Debug( LDAP_DEBUG_TRACE,\
391 "ldbm_back_modrdn: not fully implemented...\n",
396 (void) cache_update_entry( &li->li_cache, e );
399 if ( id2entry_add( be, e ) != 0 ) {
401 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
405 send_ldap_result( conn, op, LDAP_SUCCESS, NULL, NULL );
410 * new_dn and new_ndn are not deallocated because they are used by
413 if( p_dn != NULL ) free( p_dn );
414 if( p_ndn != NULL ) free( p_ndn );
416 if( matched != NULL ) free( matched );
418 /* LDAP v2 supporting correct attribute handling. */
419 if( new_rdn_type != NULL ) free(new_rdn_type);
420 if( new_rdn_val != NULL ) free(new_rdn_val);
421 if( old_rdn != NULL ) free(old_rdn);
422 if( old_rdn_type != NULL ) free(old_rdn_type);
423 if( old_rdn_val != NULL ) free(old_rdn_val);
426 /* LDAP v3 Support */
427 if ( np_dn != NULL ) free( np_dn );
428 if ( np_ndn != NULL ) free( np_ndn );
431 /* free parent and writer lock */
432 cache_return_entry_w( &li->li_cache, p );
436 /* release root writer lock */
437 ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
440 /* free entry and writer lock */
441 cache_return_entry_w( &li->li_cache, e );