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;
58 Debug( LDAP_DEBUG_TRACE, "do_modrdn\n", 0, 0, 0 );
61 * Parse the modrdn request. It looks like this:
63 * ModifyRDNRequest := SEQUENCE {
64 * entry DistinguishedName,
65 * newrdn RelativeDistinguishedName
66 * deleteoldrdn BOOLEAN,
67 * newSuperior [0] LDAPDN OPTIONAL (v3 Only!)
71 if ( ber_scanf( op->o_ber, "{aab", &dn, &newrdn, &deloldrdn )
73 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
74 send_ldap_disconnect( conn, op,
75 LDAP_PROTOCOL_ERROR, "decoding error" );
76 return SLAPD_DISCONNECT;
79 /* Check for newSuperior parameter, if present scan it */
81 if ( ber_peek_tag( op->o_ber, &length ) == LDAP_TAG_NEWSUPERIOR ) {
82 if ( op->o_protocol < LDAP_VERSION3 ) {
83 /* Conection record indicates v2 but field
84 * newSuperior is present: report error.
86 Debug( LDAP_DEBUG_ANY,
87 "modrdn(v2): invalid field newSuperior!\n",
89 send_ldap_disconnect( conn, op,
90 LDAP_PROTOCOL_ERROR, "newSuperior requires LDAPv3" );
91 rc = SLAPD_DISCONNECT;
95 if ( ber_scanf( op->o_ber, "a", &newSuperior )
98 Debug( LDAP_DEBUG_ANY, "ber_scanf(\"a\") failed\n",
100 send_ldap_disconnect( conn, op,
101 LDAP_PROTOCOL_ERROR, "decoding error" );
102 rc = SLAPD_DISCONNECT;
106 nnewSuperior = ch_strdup( newSuperior );
108 if( dn_normalize( nnewSuperior ) == NULL ) {
109 Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid new superior (%s)\n",
111 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
112 "invalid new superior DN", NULL, NULL );
118 Debug( LDAP_DEBUG_ARGS,
119 "do_modrdn: dn (%s) newrdn (%s) newsuperior (%s)\n",
121 newSuperior != NULL ? newSuperior : "" );
123 if ( ber_scanf( op->o_ber, /*{*/ "}") == LBER_ERROR ) {
124 Debug( LDAP_DEBUG_ANY, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
125 send_ldap_disconnect( conn, op,
126 LDAP_PROTOCOL_ERROR, "decoding error" );
127 rc = SLAPD_DISCONNECT;
131 if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
132 Debug( LDAP_DEBUG_ANY, "do_modrdn: get_ctrls failed\n", 0, 0, 0 );
133 /* get_ctrls has sent results. Now clean up. */
137 ndn = ch_strdup( dn );
139 if( dn_normalize( ndn ) == NULL ) {
140 Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid dn (%s)\n", dn, 0, 0 );
141 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
142 "invalid DN", NULL, NULL );
146 if( !rdn_validate( newrdn ) ) {
147 Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid rdn (%s)\n", newrdn, 0, 0 );
148 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
149 "invalid RDN", NULL, NULL );
153 Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d MODRDN dn=\"%s\"\n",
154 op->o_connid, op->o_opid, dn, 0, 0 );
157 * We could be serving multiple database backends. Select the
158 * appropriate one, or send a referral to our "referral server"
159 * if we don't hold it.
162 if ( (be = select_backend( ndn )) == NULL ) {
163 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
164 NULL, NULL, default_referral, NULL );
168 /* make sure this backend recongizes critical controls */
169 rc = backend_check_controls( be, conn, op, &text ) ;
170 if( rc != LDAP_SUCCESS ) {
171 send_ldap_result( conn, op, rc,
172 NULL, text, NULL, NULL );
176 /* check for referrals */
177 rc = backend_check_referrals( be, conn, op, dn, ndn );
178 if ( rc != LDAP_SUCCESS ) {
182 if ( global_readonly || be->be_readonly ) {
183 Debug( LDAP_DEBUG_ANY, "do_modrdn: database is read-only\n",
185 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
186 NULL, "database is read-only", NULL, NULL );
190 /* Make sure that the entry being changed and the newSuperior are in
191 * the same backend, otherwise we return an error.
193 if( newSuperior != NULL ) {
194 newSuperior_be = select_backend( nnewSuperior );
196 if ( newSuperior_be != be ) {
197 /* newSuperior is in same backend */
198 rc = LDAP_AFFECTS_MULTIPLE_DSAS;
200 send_ldap_result( conn, op, rc,
201 NULL, "cannot rename between DSAa", NULL, NULL );
206 /* deref suffix alias if appropriate */
207 nnewSuperior = suffix_alias( be, nnewSuperior );
210 /* deref suffix alias if appropriate */
211 ndn = suffix_alias( be, ndn );
214 * do the add if 1 && (2 || 3)
215 * 1) there is an add function implemented in this backend;
216 * 2) this backend is master for what it holds;
217 * 3) it's a replica and the dn supplied is the update_ndn.
219 if ( be->be_modrdn ) {
220 /* do the update here */
221 #ifndef SLAPD_MULTIMASTER
222 if ( be->be_update_ndn == NULL ||
223 strcmp( be->be_update_ndn, op->o_ndn ) == 0 )
226 if ( (*be->be_modrdn)( be, conn, op, dn, ndn, newrdn,
227 deloldrdn, newSuperior ) == 0
228 #ifdef SLAPD_MULTIMASTER
229 && ( be->be_update_ndn == NULL ||
230 strcmp( be->be_update_ndn, op->o_ndn ) )
233 struct replog_moddn moddn;
234 moddn.newrdn = newrdn;
235 moddn.deloldrdn = deloldrdn;
236 moddn.newsup = newSuperior;
238 replog( be, op, dn, &moddn );
240 #ifndef SLAPD_MULTIMASTER
242 send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
243 be->be_update_refs ? be->be_update_refs : default_referral, NULL );
247 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
248 NULL, "operation not supported within namingContext", NULL, NULL );
253 if( ndn != NULL ) free( ndn );
255 if ( newSuperior != NULL )
257 if ( nnewSuperior != NULL )
258 free( nnewSuperior );