3 * Copyright 1998-2000 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 char *dn, *ndn = NULL, *newrdn;
50 /* Vars for LDAP v3 newSuperior support */
51 char *newSuperior = NULL;
52 char *nnewSuperior = NULL;
53 Backend *newSuperior_be = NULL;
59 Debug( LDAP_DEBUG_TRACE, "do_modrdn\n", 0, 0, 0 );
62 * Parse the modrdn request. It looks like this:
64 * ModifyRDNRequest := SEQUENCE {
65 * entry DistinguishedName,
66 * newrdn RelativeDistinguishedName
67 * deleteoldrdn BOOLEAN,
68 * newSuperior [0] LDAPDN OPTIONAL (v3 Only!)
72 if ( ber_scanf( op->o_ber, "{aab", &dn, &newrdn, &deloldrdn )
74 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
75 send_ldap_disconnect( conn, op,
76 LDAP_PROTOCOL_ERROR, "decoding error" );
77 return SLAPD_DISCONNECT;
80 /* Check for newSuperior parameter, if present scan it */
82 if ( ber_peek_tag( op->o_ber, &length ) == LDAP_TAG_NEWSUPERIOR ) {
83 if ( op->o_protocol < LDAP_VERSION3 ) {
84 /* Conection record indicates v2 but field
85 * newSuperior is present: report error.
87 Debug( LDAP_DEBUG_ANY,
88 "modrdn(v2): invalid field newSuperior!\n",
90 send_ldap_disconnect( conn, op,
91 LDAP_PROTOCOL_ERROR, "newSuperior requires LDAPv3" );
92 rc = SLAPD_DISCONNECT;
96 if ( ber_scanf( op->o_ber, "a", &newSuperior )
99 Debug( LDAP_DEBUG_ANY, "ber_scanf(\"a\") failed\n",
101 send_ldap_disconnect( conn, op,
102 LDAP_PROTOCOL_ERROR, "decoding error" );
103 rc = SLAPD_DISCONNECT;
107 nnewSuperior = ch_strdup( newSuperior );
109 if( dn_normalize( nnewSuperior ) == NULL ) {
110 Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid new superior (%s)\n",
112 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
113 "invalid new superior DN", NULL, NULL );
119 Debug( LDAP_DEBUG_ARGS,
120 "do_modrdn: dn (%s) newrdn (%s) newsuperior (%s)\n",
122 newSuperior != NULL ? newSuperior : "" );
124 if ( ber_scanf( op->o_ber, /*{*/ "}") == LBER_ERROR ) {
125 Debug( LDAP_DEBUG_ANY, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
126 send_ldap_disconnect( conn, op,
127 LDAP_PROTOCOL_ERROR, "decoding error" );
128 rc = SLAPD_DISCONNECT;
132 if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
133 Debug( LDAP_DEBUG_ANY, "do_modrdn: get_ctrls failed\n", 0, 0, 0 );
134 /* get_ctrls has sent results. Now clean up. */
138 ndn = ch_strdup( dn );
140 if( dn_normalize( ndn ) == NULL ) {
141 Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid dn (%s)\n", dn, 0, 0 );
142 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
143 "invalid DN", NULL, NULL );
147 if( !rdn_validate( newrdn ) ) {
148 Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid rdn (%s)\n", newrdn, 0, 0 );
149 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
150 "invalid RDN", NULL, NULL );
155 Debug( LDAP_DEBUG_ANY, "do_modrdn: root dse!\n", 0, 0, 0 );
156 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
157 NULL, "cannot rename the root DSE", NULL, NULL );
161 Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d MODRDN dn=\"%s\"\n",
162 op->o_connid, op->o_opid, dn, 0, 0 );
164 manageDSAit = get_manageDSAit( op );
167 * We could be serving multiple database backends. Select the
168 * appropriate one, or send a referral to our "referral server"
169 * if we don't hold it.
171 if ( (be = select_backend( ndn, manageDSAit )) == NULL ) {
172 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
173 NULL, NULL, default_referral, NULL );
177 /* check restrictions */
178 rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
179 if( rc != LDAP_SUCCESS ) {
180 send_ldap_result( conn, op, rc,
181 NULL, text, NULL, NULL );
185 /* check for referrals */
186 rc = backend_check_referrals( be, conn, op, dn, ndn );
187 if ( rc != LDAP_SUCCESS ) {
191 /* Make sure that the entry being changed and the newSuperior are in
192 * the same backend, otherwise we return an error.
194 if( newSuperior != NULL ) {
195 newSuperior_be = select_backend( nnewSuperior, 0 );
197 if ( newSuperior_be != be ) {
198 /* newSuperior is in same backend */
199 rc = LDAP_AFFECTS_MULTIPLE_DSAS;
201 send_ldap_result( conn, op, rc,
202 NULL, "cannot rename between DSAa", NULL, NULL );
207 /* deref suffix alias if appropriate */
208 nnewSuperior = suffix_alias( be, nnewSuperior );
211 /* deref suffix alias if appropriate */
212 ndn = suffix_alias( be, ndn );
215 * do the add if 1 && (2 || 3)
216 * 1) there is an add function implemented in this backend;
217 * 2) this backend is master for what it holds;
218 * 3) it's a replica and the dn supplied is the update_ndn.
220 if ( be->be_modrdn ) {
221 /* do the update here */
222 #ifndef SLAPD_MULTIMASTER
223 if ( be->be_update_ndn == NULL ||
224 strcmp( be->be_update_ndn, op->o_ndn ) == 0 )
227 if ( (*be->be_modrdn)( be, conn, op, dn, ndn, newrdn,
228 deloldrdn, newSuperior ) == 0
229 #ifdef SLAPD_MULTIMASTER
230 && ( be->be_update_ndn == NULL ||
231 strcmp( be->be_update_ndn, op->o_ndn ) )
234 struct replog_moddn moddn;
235 moddn.newrdn = newrdn;
236 moddn.deloldrdn = deloldrdn;
237 moddn.newsup = newSuperior;
239 replog( be, op, dn, &moddn );
241 #ifndef SLAPD_MULTIMASTER
243 send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
244 be->be_update_refs ? be->be_update_refs : default_referral, NULL );
248 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
249 NULL, "operation not supported within namingContext", NULL, NULL );
254 if( ndn != NULL ) free( ndn );
256 if ( newSuperior != NULL )
258 if ( nnewSuperior != NULL )
259 free( nnewSuperior );