3 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
7 * Copyright (c) 1995 Regents of the University of Michigan.
10 * Redistribution and use in source and binary forms are permitted
11 * provided that this notice is preserved and that due credit is given
12 * to the University of Michigan at Ann Arbor. The name of the University
13 * may not be used to endorse or promote products derived from this
14 * software without specific prior written permission. This software
15 * is provided ``as is'' without express or implied warranty.
19 * LDAP v3 newSuperior support.
21 * Copyright 1999, Juan C. Gomez, All rights reserved.
22 * This software is not subject to any license of Silicon Graphics
23 * Inc. or Purdue University.
25 * Redistribution and use in source and binary forms are permitted
26 * without restriction or fee of any kind as long as this notice
35 #include <ac/socket.h>
36 #include <ac/string.h>
47 struct berval dn = { 0, NULL };
48 struct berval newrdn = { 0, NULL };
49 struct berval newSuperior = { 0, NULL };
52 struct berval pdn = { 0, NULL };
53 struct berval pnewrdn = { 0, NULL };
54 struct berval pnewSuperior = { 0, NULL }, *pnewS = NULL;
56 struct berval ndn = { 0, NULL };
57 struct berval nnewrdn = { 0, NULL };
58 struct berval nnewSuperior = { 0, NULL }, *nnewS = NULL;
61 Backend *newSuperior_be = NULL;
68 LDAP_LOG( OPERATION, ENTRY, "do_modrdn: begin\n", 0, 0, 0 );
70 Debug( LDAP_DEBUG_TRACE, "do_modrdn\n", 0, 0, 0 );
75 * Parse the modrdn request. It looks like this:
77 * ModifyRDNRequest := SEQUENCE {
78 * entry DistinguishedName,
79 * newrdn RelativeDistinguishedName
80 * deleteoldrdn BOOLEAN,
81 * newSuperior [0] LDAPDN OPTIONAL (v3 Only!)
85 if ( ber_scanf( op->o_ber, "{mmb", &dn, &newrdn, &deloldrdn )
89 LDAP_LOG( OPERATION, ERR, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
91 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
94 send_ldap_disconnect( conn, op,
95 LDAP_PROTOCOL_ERROR, "decoding error" );
96 return SLAPD_DISCONNECT;
99 /* Check for newSuperior parameter, if present scan it */
101 if ( ber_peek_tag( op->o_ber, &length ) == LDAP_TAG_NEWSUPERIOR ) {
102 if ( op->o_protocol < LDAP_VERSION3 ) {
103 /* Conection record indicates v2 but field
104 * newSuperior is present: report error.
107 LDAP_LOG( OPERATION, ERR,
108 "do_modrdn: (v2) invalid field newSuperior.\n", 0, 0, 0 );
110 Debug( LDAP_DEBUG_ANY,
111 "modrdn(v2): invalid field newSuperior!\n",
115 send_ldap_disconnect( conn, op,
116 LDAP_PROTOCOL_ERROR, "newSuperior requires LDAPv3" );
117 rc = SLAPD_DISCONNECT;
121 if ( ber_scanf( op->o_ber, "m", &newSuperior )
125 LDAP_LOG( OPERATION, ERR,
126 "do_modrdn: ber_scanf(\"m\") failed\n", 0, 0, 0 );
128 Debug( LDAP_DEBUG_ANY, "ber_scanf(\"m\") failed\n",
132 send_ldap_disconnect( conn, op,
133 LDAP_PROTOCOL_ERROR, "decoding error" );
134 rc = SLAPD_DISCONNECT;
137 pnewS = &pnewSuperior;
138 nnewS = &nnewSuperior;
142 LDAP_LOG( OPERATION, ARGS,
143 "do_modrdn: dn (%s) newrdn (%s) newsuperior(%s)\n",
144 dn.bv_val, newrdn.bv_val,
145 newSuperior.bv_len ? newSuperior.bv_val : "" );
147 Debug( LDAP_DEBUG_ARGS,
148 "do_modrdn: dn (%s) newrdn (%s) newsuperior (%s)\n",
149 dn.bv_val, newrdn.bv_val,
150 newSuperior.bv_len ? newSuperior.bv_val : "" );
153 if ( ber_scanf( op->o_ber, /*{*/ "}") == LBER_ERROR ) {
155 LDAP_LOG( OPERATION, ERR, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
157 Debug( LDAP_DEBUG_ANY, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
160 send_ldap_disconnect( conn, op,
161 LDAP_PROTOCOL_ERROR, "decoding error" );
162 rc = SLAPD_DISCONNECT;
166 if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
168 LDAP_LOG( OPERATION, ERR, "do_modrdn: get_ctrls failed\n", 0, 0, 0 );
170 Debug( LDAP_DEBUG_ANY, "do_modrdn: get_ctrls failed\n", 0, 0, 0 );
173 /* get_ctrls has sent results. Now clean up. */
177 rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn );
178 if( rc != LDAP_SUCCESS ) {
180 LDAP_LOG( OPERATION, INFO,
181 "do_modrdn: conn %d invalid dn (%s)\n",
182 conn->c_connid, dn.bv_val, 0 );
184 Debug( LDAP_DEBUG_ANY,
185 "do_modrdn: invalid dn (%s)\n", dn.bv_val, 0, 0 );
187 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
188 "invalid DN", NULL, NULL );
192 if( ndn.bv_len == 0 ) {
194 LDAP_LOG( OPERATION, ERR,
195 "do_modrdn: attempt to modify root DSE.\n", 0, 0, 0 );
197 Debug( LDAP_DEBUG_ANY, "do_modrdn: root dse!\n", 0, 0, 0 );
200 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
201 NULL, "cannot rename the root DSE", NULL, NULL );
204 } else if ( bvmatch( &ndn, &global_schemandn ) ) {
206 LDAP_LOG( OPERATION, ERR,
207 "do_modrdn: attempt to modify subschema subentry: %s (%ld)\n",
208 global_schemandn.bv_val, (long) global_schemandn.bv_len, 0 );
210 Debug( LDAP_DEBUG_ANY, "do_modrdn: subschema subentry: %s (%ld)\n",
211 global_schemandn.bv_val, (long) global_schemandn.bv_len, 0 );
214 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
215 NULL, "cannot rename subschema subentry", NULL, NULL );
219 /* FIXME: should have/use rdnPretty / rdnNormalize routines */
221 rc = dnPrettyNormal( NULL, &newrdn, &pnewrdn, &nnewrdn );
222 if( rc != LDAP_SUCCESS ) {
224 LDAP_LOG( OPERATION, INFO,
225 "do_modrdn: conn %d invalid newrdn (%s)\n",
226 conn->c_connid, newrdn.bv_val, 0 );
228 Debug( LDAP_DEBUG_ANY,
229 "do_modrdn: invalid newrdn (%s)\n", newrdn.bv_val, 0, 0 );
231 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
232 "invalid new RDN", NULL, NULL );
236 if( rdnValidate( &pnewrdn ) != LDAP_SUCCESS ) {
238 LDAP_LOG( OPERATION, ERR,
239 "do_modrdn: invalid rdn (%s).\n", pnewrdn.bv_val, 0, 0 );
241 Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid rdn (%s)\n",
242 pnewrdn.bv_val, 0, 0 );
245 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
246 "invalid new RDN", NULL, NULL );
251 rc = dnPrettyNormal( NULL, &newSuperior, &pnewSuperior,
253 if( rc != LDAP_SUCCESS ) {
255 LDAP_LOG( OPERATION, INFO,
256 "do_modrdn: conn %d invalid newSuperior (%s)\n",
257 conn->c_connid, newSuperior.bv_val, 0 );
259 Debug( LDAP_DEBUG_ANY,
260 "do_modrdn: invalid newSuperior (%s)\n",
261 newSuperior.bv_val, 0, 0 );
263 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
264 "invalid newSuperior", NULL, NULL );
269 Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MODRDN dn=\"%s\"\n",
270 op->o_connid, op->o_opid, pdn.bv_val, 0, 0 );
272 manageDSAit = get_manageDSAit( op );
275 * We could be serving multiple database backends. Select the
276 * appropriate one, or send a referral to our "referral server"
277 * if we don't hold it.
279 if ( (be = select_backend( &ndn, manageDSAit, 0 )) == NULL ) {
280 BerVarray ref = referral_rewrite( default_referral,
281 NULL, &pdn, LDAP_SCOPE_DEFAULT );
283 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
284 NULL, NULL, ref ? ref : default_referral, NULL );
286 ber_bvarray_free( ref );
290 /* check restrictions */
291 rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
292 if( rc != LDAP_SUCCESS ) {
293 send_ldap_result( conn, op, rc,
294 NULL, text, NULL, NULL );
298 /* check for referrals */
299 rc = backend_check_referrals( be, conn, op, &pdn, &ndn );
300 if ( rc != LDAP_SUCCESS ) {
304 /* Make sure that the entry being changed and the newSuperior are in
305 * the same backend, otherwise we return an error.
308 newSuperior_be = select_backend( &nnewSuperior, 0, 0 );
310 if ( newSuperior_be != be ) {
311 /* newSuperior is in same backend */
312 rc = LDAP_AFFECTS_MULTIPLE_DSAS;
314 send_ldap_result( conn, op, rc,
315 NULL, "cannot rename between DSAa", NULL, NULL );
320 /* deref suffix alias if appropriate */
321 suffix_alias( be, &nnewSuperior );
324 /* deref suffix alias if appropriate */
325 suffix_alias( be, &ndn );
328 * do the add if 1 && (2 || 3)
329 * 1) there is an add function implemented in this backend;
330 * 2) this backend is master for what it holds;
331 * 3) it's a replica and the dn supplied is the update_ndn.
333 if ( be->be_modrdn ) {
334 /* do the update here */
335 int repl_user = be_isupdate( be, &op->o_ndn );
336 #ifndef SLAPD_MULTIMASTER
337 if ( !be->be_update_ndn.bv_len || repl_user )
340 if ( (*be->be_modrdn)( be, conn, op, &pdn, &ndn,
341 &pnewrdn, &nnewrdn, deloldrdn,
343 #ifdef SLAPD_MULTIMASTER
344 && ( !be->be_update_ndn.bv_len || !repl_user )
347 struct slap_replog_moddn moddn;
348 moddn.newrdn = &pnewrdn;
349 moddn.deloldrdn = deloldrdn;
350 moddn.newsup = &pnewSuperior;
352 replog( be, op, &pdn, &ndn, &moddn );
354 #ifndef SLAPD_MULTIMASTER
356 BerVarray defref = be->be_update_refs
357 ? be->be_update_refs : default_referral;
358 BerVarray ref = referral_rewrite( defref,
359 NULL, &pdn, LDAP_SCOPE_DEFAULT );
361 send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
362 ref ? ref : defref, NULL );
364 ber_bvarray_free( ref );
368 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
369 NULL, "operation not supported within namingContext",
377 free( pnewrdn.bv_val );
378 free( nnewrdn.bv_val );
380 if ( pnewSuperior.bv_val ) free( pnewSuperior.bv_val );
381 if ( nnewSuperior.bv_val ) free( nnewSuperior.bv_val );
395 Modifications **pmod )
397 int rc = LDAP_SUCCESS;
399 Modifications *mod = NULL;
402 assert( new_rdn != NULL );
403 assert( !deleteoldrdn || old_rdn != NULL );
405 /* Add new attribute values to the entry */
406 for ( a_cnt = 0; new_rdn[ 0 ][ a_cnt ]; a_cnt++ ) {
407 AttributeDescription *desc = NULL;
408 Modifications *mod_tmp;
410 rc = slap_bv2ad( &new_rdn[ 0 ][ a_cnt ]->la_attr,
413 if ( rc != LDAP_SUCCESS ) {
415 LDAP_LOG ( OPERATION, ERR,
416 "slap_modrdn2modlist: %s: %s (new)\n",
418 new_rdn[ 0 ][ a_cnt ]->la_attr.bv_val, 0 );
420 Debug( LDAP_DEBUG_TRACE,
421 "slap_modrdn2modlist: %s: %s (new)\n",
423 new_rdn[ 0 ][ a_cnt ]->la_attr.bv_val, 0 );
428 /* ACL check of newly added attrs */
429 if ( be && !access_allowed( be, conn, op, e, desc,
430 &new_rdn[ 0 ][ a_cnt ]->la_value, ACL_WRITE, NULL ) ) {
432 LDAP_LOG ( OPERATION, ERR,
433 "slap_modrdn2modlist: access to attr \"%s\" "
434 "(new) not allowed\n",
435 new_rdn[ 0 ][a_cnt]->la_attr.bv_val, 0, 0 );
437 Debug( LDAP_DEBUG_TRACE,
438 "slap_modrdn2modlist: access to attr \"%s\" "
439 "(new) not allowed\n",
440 new_rdn[ 0 ][ a_cnt ]->la_attr.bv_val, 0, 0 );
442 rc = LDAP_INSUFFICIENT_ACCESS;
446 /* Apply modification */
447 mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
448 + 2 * sizeof( struct berval ) );
449 mod_tmp->sml_desc = desc;
450 mod_tmp->sml_bvalues = ( BerVarray )( mod_tmp + 1 );
451 mod_tmp->sml_bvalues[ 0 ] = new_rdn[ 0 ][ a_cnt ]->la_value;
452 mod_tmp->sml_bvalues[ 1 ].bv_val = NULL;
453 mod_tmp->sml_op = SLAP_MOD_SOFTADD;
454 mod_tmp->sml_next = mod;
458 /* Remove old rdn value if required */
459 if ( deleteoldrdn ) {
460 for ( d_cnt = 0; old_rdn[ 0 ][ d_cnt ]; d_cnt++ ) {
461 AttributeDescription *desc = NULL;
462 Modifications *mod_tmp;
464 rc = slap_bv2ad( &old_rdn[ 0 ][ d_cnt ]->la_attr,
467 if ( rc != LDAP_SUCCESS ) {
469 LDAP_LOG ( OPERATION, ERR,
470 "slap_modrdn2modlist: %s: %s (old)\n",
472 old_rdn[ 0 ][ d_cnt ]->la_attr.bv_val,
475 Debug( LDAP_DEBUG_TRACE,
476 "slap_modrdn2modlist: %s: %s (old)\n",
478 old_rdn[ 0 ][ d_cnt ]->la_attr.bv_val,
484 /* ACL check of newly added attrs */
485 if ( be && !access_allowed( be, conn, op, e, desc,
486 &old_rdn[ 0 ][ d_cnt ]->la_value, ACL_WRITE,
489 LDAP_LOG ( OPERATION, ERR,
490 "slap_modrdn2modlist: access "
491 "to attr \"%s\" (old) not allowed\n",
492 old_rdn[ 0 ][ d_cnt ]->la_attr.bv_val,
495 Debug( LDAP_DEBUG_TRACE,
496 "slap_modrdn2modlist: access "
497 "to attr \"%s\" (old) not allowed\n",
498 old_rdn[ 0 ][ d_cnt ]->la_attr.bv_val,
501 rc = LDAP_INSUFFICIENT_ACCESS;
505 /* Apply modification */
506 mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
507 + 2 * sizeof ( struct berval ) );
508 mod_tmp->sml_desc = desc;
509 mod_tmp->sml_bvalues = ( BerVarray )(mod_tmp+1);
510 mod_tmp->sml_bvalues[ 0 ]
511 = old_rdn[ 0 ][ d_cnt ]->la_value;
512 mod_tmp->sml_bvalues[ 1 ].bv_val = NULL;
513 mod_tmp->sml_op = LDAP_MOD_DELETE;
514 mod_tmp->sml_next = mod;
520 /* LDAP v2 supporting correct attribute handling. */
521 if ( rc != LDAP_SUCCESS && mod != NULL ) {
523 for ( ; mod; mod = tmp ) {