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;
57 struct berval **urls = 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 );
154 Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d MODRDN dn=\"%s\"\n",
155 op->o_connid, op->o_opid, dn, 0, 0 );
158 * We could be serving multiple database backends. Select the
159 * appropriate one, or send a referral to our "referral server"
160 * if we don't hold it.
163 if ( (be = select_backend( ndn )) == NULL ) {
164 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
165 NULL, NULL, default_referral, NULL );
169 /* make sure this backend recongizes critical controls */
170 rc = backend_check_controls( be, conn, op, &text ) ;
171 if( rc != LDAP_SUCCESS ) {
172 send_ldap_result( conn, op, rc,
173 NULL, text, NULL, NULL );
177 /* check for referrals */
178 rc = backend_check_referrals( be, conn, op, &urls, &text );
179 if ( rc != LDAP_SUCCESS ) {
180 send_ldap_result( conn, op, rc,
181 NULL, text, urls, NULL );
182 ber_bvecfree( urls );
186 if ( global_readonly || be->be_readonly ) {
187 Debug( LDAP_DEBUG_ANY, "do_modrdn: database is read-only\n",
189 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
190 NULL, "database is read-only", NULL, NULL );
194 /* Make sure that the entry being changed and the newSuperior are in
195 * the same backend, otherwise we return an error.
197 if( newSuperior != NULL ) {
198 newSuperior_be = select_backend( nnewSuperior );
200 if ( newSuperior_be != be ) {
201 /* newSuperior is in same backend */
202 rc = LDAP_AFFECTS_MULTIPLE_DSAS;
204 send_ldap_result( conn, op, rc,
205 NULL, "cannot rename between DSAa", NULL, NULL );
210 /* deref suffix alias if appropriate */
211 nnewSuperior = suffix_alias( be, nnewSuperior );
214 /* deref suffix alias if appropriate */
215 ndn = suffix_alias( be, ndn );
218 * do the add if 1 && (2 || 3)
219 * 1) there is an add function implemented in this backend;
220 * 2) this backend is master for what it holds;
221 * 3) it's a replica and the dn supplied is the update_ndn.
223 if ( be->be_modrdn ) {
224 /* do the update here */
225 #ifndef SLAPD_MULTIMASTER
226 if ( be->be_update_ndn == NULL ||
227 strcmp( be->be_update_ndn, op->o_ndn ) == 0 )
230 if ( (*be->be_modrdn)( be, conn, op, dn, ndn, newrdn,
231 deloldrdn, newSuperior ) == 0
232 #ifdef SLAPD_MULTIMASTER
233 && ( be->be_update_ndn == NULL ||
234 strcmp( be->be_update_ndn, op->o_ndn ) )
237 struct replog_moddn moddn;
238 moddn.newrdn = newrdn;
239 moddn.deloldrdn = deloldrdn;
240 moddn.newsup = newSuperior;
242 replog( be, op, dn, &moddn );
244 #ifndef SLAPD_MULTIMASTER
246 send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
247 be->be_update_refs ? be->be_update_refs : default_referral, NULL );
251 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
252 NULL, "operation not supported within namingContext", NULL, NULL );
257 if( ndn != NULL ) free( ndn );
259 if ( newSuperior != NULL )
261 if ( nnewSuperior != NULL )
262 free( nnewSuperior );