2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1998-2005 The OpenLDAP Foundation.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted only as authorized by the OpenLDAP
11 * A copy of this license is available in the file LICENSE in the
12 * top-level directory of the distribution or, alternatively, at
13 * <http://www.OpenLDAP.org/license.html>.
15 /* Portions Copyright 1999, Juan C. Gomez, All rights reserved.
16 * This software is not subject to any license of Silicon Graphics
17 * Inc. or Purdue University.
19 * Redistribution and use in source and binary forms are permitted
20 * without restriction or fee of any kind as long as this notice
23 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
24 * All rights reserved.
26 * Redistribution and use in source and binary forms are permitted
27 * provided that this notice is preserved and that due credit is given
28 * to the University of Michigan at Ann Arbor. The name of the University
29 * may not be used to endorse or promote products derived from this
30 * software without specific prior written permission. This software
31 * is provided ``as is'' without express or implied warranty.
38 #include <ac/socket.h>
39 #include <ac/string.h>
49 struct berval dn = BER_BVNULL;
50 struct berval newrdn = BER_BVNULL;
51 struct berval newSuperior = BER_BVNULL;
54 struct berval pnewSuperior = BER_BVNULL;
56 struct berval nnewSuperior = BER_BVNULL;
60 Debug( LDAP_DEBUG_TRACE, "do_modrdn\n", 0, 0, 0 );
64 * Parse the modrdn request. It looks like this:
66 * ModifyRDNRequest := SEQUENCE {
67 * entry DistinguishedName,
68 * newrdn RelativeDistinguishedName
69 * deleteoldrdn BOOLEAN,
70 * newSuperior [0] LDAPDN OPTIONAL (v3 Only!)
74 if ( ber_scanf( op->o_ber, "{mmb", &dn, &newrdn, &deloldrdn )
77 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
79 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
80 return SLAPD_DISCONNECT;
83 /* Check for newSuperior parameter, if present scan it */
85 if ( ber_peek_tag( op->o_ber, &length ) == LDAP_TAG_NEWSUPERIOR ) {
86 if ( op->o_protocol < LDAP_VERSION3 ) {
87 /* Conection record indicates v2 but field
88 * newSuperior is present: report error.
90 Debug( LDAP_DEBUG_ANY,
91 "modrdn(v2): invalid field newSuperior!\n",
94 send_ldap_discon( op, rs,
95 LDAP_PROTOCOL_ERROR, "newSuperior requires LDAPv3" );
96 rs->sr_err = SLAPD_DISCONNECT;
100 if ( ber_scanf( op->o_ber, "m", &newSuperior )
103 Debug( LDAP_DEBUG_ANY, "ber_scanf(\"m\") failed\n",
106 send_ldap_discon( op, rs,
107 LDAP_PROTOCOL_ERROR, "decoding error" );
108 rs->sr_err = SLAPD_DISCONNECT;
111 op->orr_newSup = &pnewSuperior;
112 op->orr_nnewSup = &nnewSuperior;
115 Debug( LDAP_DEBUG_ARGS,
116 "do_modrdn: dn (%s) newrdn (%s) newsuperior (%s)\n",
117 dn.bv_val, newrdn.bv_val,
118 newSuperior.bv_len ? newSuperior.bv_val : "" );
120 if ( ber_scanf( op->o_ber, /*{*/ "}") == LBER_ERROR ) {
121 Debug( LDAP_DEBUG_ANY, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
123 send_ldap_discon( op, rs,
124 LDAP_PROTOCOL_ERROR, "decoding error" );
125 rs->sr_err = SLAPD_DISCONNECT;
129 if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
130 Debug( LDAP_DEBUG_ANY, "do_modrdn: get_ctrls failed\n", 0, 0, 0 );
132 /* get_ctrls has sent results. Now clean up. */
136 rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
137 if( rs->sr_err != LDAP_SUCCESS ) {
138 Debug( LDAP_DEBUG_ANY,
139 "do_modrdn: invalid dn (%s)\n", dn.bv_val, 0, 0 );
140 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
144 /* FIXME: should have/use rdnPretty / rdnNormalize routines */
146 rs->sr_err = dnPrettyNormal( NULL, &newrdn, &op->orr_newrdn, &op->orr_nnewrdn, op->o_tmpmemctx );
147 if( rs->sr_err != LDAP_SUCCESS ) {
148 Debug( LDAP_DEBUG_ANY,
149 "do_modrdn: invalid newrdn (%s)\n", newrdn.bv_val, 0, 0 );
150 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid new RDN" );
154 if( rdn_validate( &op->orr_newrdn ) != LDAP_SUCCESS ) {
155 Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid rdn (%s)\n",
156 op->orr_newrdn.bv_val, 0, 0 );
158 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid new RDN" );
162 if( op->orr_newSup ) {
163 rs->sr_err = dnPrettyNormal( NULL, &newSuperior, &pnewSuperior,
164 &nnewSuperior, op->o_tmpmemctx );
165 if( rs->sr_err != LDAP_SUCCESS ) {
166 Debug( LDAP_DEBUG_ANY,
167 "do_modrdn: invalid newSuperior (%s)\n",
168 newSuperior.bv_val, 0, 0 );
169 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid newSuperior" );
174 /* FIXME: temporary? */
175 op->orr_deleteoldrdn = deloldrdn;
177 op->o_bd = frontendDB;
178 rs->sr_err = frontendDB->be_modrdn( op, rs );
181 op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
182 op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
184 op->o_tmpfree( op->orr_newrdn.bv_val, op->o_tmpmemctx );
185 op->o_tmpfree( op->orr_nnewrdn.bv_val, op->o_tmpmemctx );
187 if ( !BER_BVISNULL( &pnewSuperior ) )
188 op->o_tmpfree( pnewSuperior.bv_val, op->o_tmpmemctx );
189 if ( !BER_BVISNULL( &nnewSuperior ) )
190 op->o_tmpfree( nnewSuperior.bv_val, op->o_tmpmemctx );
196 fe_op_modrdn( Operation *op, SlapReply *rs )
198 Backend *newSuperior_be = NULL;
200 struct berval pdn = BER_BVNULL;
203 if( op->o_req_ndn.bv_len == 0 ) {
204 Debug( LDAP_DEBUG_ANY, "do_modrdn: root dse!\n", 0, 0, 0 );
206 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
207 "cannot rename the root DSE" );
210 } else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
211 Debug( LDAP_DEBUG_ANY, "do_modrdn: subschema subentry: %s (%ld)\n",
212 frontendDB->be_schemandn.bv_val, (long)frontendDB->be_schemandn.bv_len, 0 );
214 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
215 "cannot rename subschema subentry" );
219 Statslog( LDAP_DEBUG_STATS, "%s MODRDN dn=\"%s\"\n",
220 op->o_log_prefix, op->o_req_dn.bv_val, 0, 0, 0 );
222 manageDSAit = get_manageDSAit( op );
225 * We could be serving multiple database backends. Select the
226 * appropriate one, or send a referral to our "referral server"
227 * if we don't hold it.
229 op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 1 );
230 if ( op->o_bd == NULL ) {
231 rs->sr_ref = referral_rewrite( default_referral,
232 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
233 if (!rs->sr_ref) rs->sr_ref = default_referral;
235 if ( rs->sr_ref != NULL ) {
236 rs->sr_err = LDAP_REFERRAL;
237 op->o_bd = frontendDB;
238 send_ldap_result( op, rs );
241 if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
243 op->o_bd = frontendDB;
244 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
245 "no global superior knowledge" );
251 /* If we've got a glued backend, check the real backend */
253 if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
254 op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
257 /* check restrictions */
258 if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
259 send_ldap_result( op, rs );
263 /* check for referrals */
264 if ( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
268 /* Make sure that the entry being changed and the newSuperior are in
269 * the same backend, otherwise we return an error.
271 if( op->orr_newSup ) {
272 newSuperior_be = select_backend( op->orr_nnewSup, 0, 0 );
274 if ( newSuperior_be != op->o_bd ) {
275 /* newSuperior is in different backend */
276 send_ldap_error( op, rs, LDAP_AFFECTS_MULTIPLE_DSAS,
277 "cannot rename between DSAs" );
284 * do the modrdn if 1 && (2 || 3)
285 * 1) there is a modrdn function implemented in this backend;
286 * 2) this backend is master for what it holds;
287 * 3) it's a replica and the dn supplied is the update_ndn.
289 if ( op->o_bd->be_modrdn ) {
290 /* do the update here */
291 int repl_user = be_isupdate( op );
292 #ifndef SLAPD_MULTIMASTER
293 if ( !SLAP_SHADOW(op->o_bd) || repl_user )
296 slap_callback cb = { NULL, slap_replog_cb, NULL, NULL };
300 #ifdef SLAPD_MULTIMASTER
301 if ( !op->o_bd->be_update_ndn.bv_len || !repl_user )
304 cb.sc_next = op->o_callback;
305 op->o_callback = &cb;
307 op->o_bd->be_modrdn( op, rs );
309 if ( op->o_bd->be_delete ) {
310 struct berval org_req_dn = BER_BVNULL;
311 struct berval org_req_ndn = BER_BVNULL;
312 struct berval org_dn = BER_BVNULL;
313 struct berval org_ndn = BER_BVNULL;
316 org_req_dn = op->o_req_dn;
317 org_req_ndn = op->o_req_ndn;
320 org_managedsait = get_manageDSAit( op );
321 op->o_dn = op->o_bd->be_rootdn;
322 op->o_ndn = op->o_bd->be_rootndn;
323 op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
325 while ( rs->sr_err == LDAP_SUCCESS &&
326 op->o_delete_glue_parent ) {
327 op->o_delete_glue_parent = 0;
328 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
329 slap_callback cb = { NULL };
330 cb.sc_response = slap_null_cb;
331 dnParent( &op->o_req_ndn, &pdn );
334 op->o_callback = &cb;
335 op->o_bd->be_delete( op, rs );
340 op->o_managedsait = org_managedsait;
343 op->o_req_dn = org_req_dn;
344 op->o_req_ndn = org_req_ndn;
345 op->o_delete_glue_parent = 0;
348 #ifndef SLAPD_MULTIMASTER
350 BerVarray defref = op->o_bd->be_update_refs
351 ? op->o_bd->be_update_refs : default_referral;
353 if ( defref != NULL ) {
354 rs->sr_ref = referral_rewrite( defref,
355 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
356 if (!rs->sr_ref) rs->sr_ref = defref;
358 rs->sr_err = LDAP_REFERRAL;
359 send_ldap_result( op, rs );
361 if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
363 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
364 "shadow context; no update referral" );
369 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
370 "operation not supported within namingContext" );
384 Modifications **pmod )
386 Modifications *mod = NULL;
390 assert( new_rdn != NULL );
391 assert( !op->orr_deleteoldrdn || old_rdn != NULL );
393 repl_user = be_isupdate( op );
395 /* Add new attribute values to the entry */
396 for ( a_cnt = 0; new_rdn[a_cnt]; a_cnt++ ) {
397 AttributeDescription *desc = NULL;
398 Modifications *mod_tmp;
400 rs->sr_err = slap_bv2ad( &new_rdn[a_cnt]->la_attr, &desc, &rs->sr_text );
402 if ( rs->sr_err != LDAP_SUCCESS ) {
403 Debug( LDAP_DEBUG_TRACE,
404 "slap_modrdn2modlist: %s: %s (new)\n",
406 new_rdn[ a_cnt ]->la_attr.bv_val, 0 );
410 /* ACL check of newly added attrs */
411 if ( op->o_bd && !access_allowed( op, e, desc,
412 &new_rdn[a_cnt]->la_value, ACL_WADD, NULL ) ) {
413 Debug( LDAP_DEBUG_TRACE,
414 "slap_modrdn2modlist: access to attr \"%s\" "
415 "(new) not allowed\n",
416 new_rdn[ a_cnt ]->la_attr.bv_val, 0, 0 );
417 rs->sr_text = "access to naming attributes (new) not allowed";
418 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
422 /* Apply modification */
423 mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
424 + 4 * sizeof( struct berval ) );
425 mod_tmp->sml_desc = desc;
426 mod_tmp->sml_values = ( BerVarray )( mod_tmp + 1 );
427 mod_tmp->sml_values[0] = new_rdn[a_cnt]->la_value;
428 mod_tmp->sml_values[1].bv_val = NULL;
429 if( desc->ad_type->sat_equality->smr_normalize) {
430 mod_tmp->sml_nvalues = &mod_tmp->sml_values[2];
431 (void) (*desc->ad_type->sat_equality->smr_normalize)(
432 SLAP_MR_EQUALITY|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
433 desc->ad_type->sat_syntax,
434 desc->ad_type->sat_equality,
435 &mod_tmp->sml_values[0],
436 &mod_tmp->sml_nvalues[0], NULL );
437 mod_tmp->sml_nvalues[1].bv_val = NULL;
439 mod_tmp->sml_nvalues = NULL;
441 mod_tmp->sml_op = SLAP_MOD_SOFTADD;
442 mod_tmp->sml_flags = SLAP_MOD_INTERNAL;
443 mod_tmp->sml_next = mod;
447 /* Remove old rdn value if required */
448 if ( op->orr_deleteoldrdn ) {
449 for ( d_cnt = 0; old_rdn[d_cnt]; d_cnt++ ) {
450 AttributeDescription *desc = NULL;
451 Modifications *mod_tmp;
453 rs->sr_err = slap_bv2ad( &old_rdn[d_cnt]->la_attr, &desc, &rs->sr_text );
454 if ( rs->sr_err != LDAP_SUCCESS ) {
455 Debug( LDAP_DEBUG_TRACE,
456 "slap_modrdn2modlist: %s: %s (old)\n",
458 old_rdn[d_cnt]->la_attr.bv_val,
463 /* ACL check of old rdn attrs removal */
464 if ( op->o_bd && !access_allowed( op, e, desc,
465 &old_rdn[d_cnt]->la_value, ACL_WDEL,
467 Debug( LDAP_DEBUG_TRACE,
468 "slap_modrdn2modlist: access "
469 "to attr \"%s\" (old) not allowed\n",
470 old_rdn[ d_cnt ]->la_attr.bv_val,
472 rs->sr_text = "access to naming attributes (old) not allowed";
473 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
477 /* Apply modification */
478 mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
479 + 4 * sizeof ( struct berval ) );
480 mod_tmp->sml_desc = desc;
481 mod_tmp->sml_values = ( BerVarray )(mod_tmp+1);
482 mod_tmp->sml_values[0] = old_rdn[d_cnt]->la_value;
483 mod_tmp->sml_values[1].bv_val = NULL;
484 if( desc->ad_type->sat_equality->smr_normalize) {
485 mod_tmp->sml_nvalues = &mod_tmp->sml_values[2];
486 (void) (*desc->ad_type->sat_equality->smr_normalize)(
487 SLAP_MR_EQUALITY|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
488 desc->ad_type->sat_syntax,
489 desc->ad_type->sat_equality,
490 &mod_tmp->sml_values[0],
491 &mod_tmp->sml_nvalues[0], op->o_tmpmemctx );
492 mod_tmp->sml_nvalues[1].bv_val = NULL;
494 mod_tmp->sml_nvalues = NULL;
496 mod_tmp->sml_op = LDAP_MOD_DELETE;
497 mod_tmp->sml_flags = SLAP_MOD_INTERNAL;
498 mod_tmp->sml_next = mod;
505 if ( rs->sr_err == LDAP_SUCCESS && !repl_user ) {
506 slap_mods_opattrs( op, &mod, 1 );
509 /* LDAP v2 supporting correct attribute handling. */
510 if ( rs->sr_err != LDAP_SUCCESS && mod != NULL ) {
512 for ( ; mod; mod = tmp ) {
524 slap_modrdn2mods_free( Modifications *mod )
528 for ( ; mod; mod = tmp ) {
530 /* slap_modrdn2mods does things one way,
531 * slap_mods_opattrs does it differently
533 if ( mod->sml_op != SLAP_MOD_SOFTADD &&
534 mod->sml_op != LDAP_MOD_DELETE )
539 if ( mod->sml_nvalues ) {
540 free( mod->sml_nvalues[0].bv_val );
546 slap_mods_free( mod, 1 );