3 * Copyright 1998-1999 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, *newrdn;
50 /* Vars for LDAP v3 newSuperior support */
51 char *newSuperior = NULL;
52 char *nnewSuperior = NULL;
53 Backend *newSuperior_be = NULL;
57 Debug( LDAP_DEBUG_TRACE, "do_modrdn\n", 0, 0, 0 );
59 if( op->o_bind_in_progress ) {
60 Debug( LDAP_DEBUG_ANY, "do_modrdn: SASL bind in progress.\n",
62 send_ldap_result( conn, op, LDAP_SASL_BIND_IN_PROGRESS,
63 NULL, "SASL bind in progress", NULL, NULL );
64 return LDAP_SASL_BIND_IN_PROGRESS;
68 * Parse the modrdn request. It looks like this:
70 * ModifyRDNRequest := SEQUENCE {
71 * entry DistinguishedName,
72 * newrdn RelativeDistinguishedName
73 * deleteoldrdn BOOLEAN,
74 * newSuperior [0] LDAPDN OPTIONAL (v3 Only!)
78 if ( ber_scanf( op->o_ber, "{aab", &dn, &newrdn, &deloldrdn )
80 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
81 send_ldap_disconnect( conn, op,
82 LDAP_PROTOCOL_ERROR, "decoding error" );
86 ndn = ch_strdup( dn );
88 if( dn_normalize( ndn ) == NULL ) {
89 Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid dn (%s)\n", dn, 0, 0 );
90 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
91 "invalid DN", NULL, NULL );
95 if( !rdn_validate( newrdn ) ) {
96 Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid rdn (%s)\n", newrdn, 0, 0 );
97 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
98 "invalid RDN", NULL, NULL );
102 /* Check for newSuperior parameter, if present scan it */
104 if ( ber_peek_tag( op->o_ber, &length ) == LDAP_TAG_NEWSUPERIOR ) {
105 if ( op->o_protocol < LDAP_VERSION3 ) {
106 /* Conection record indicates v2 but field
107 * newSuperior is present: report error.
109 Debug( LDAP_DEBUG_ANY,
110 "modrdn(v2): invalid field newSuperior!\n",
112 send_ldap_disconnect( conn, op,
113 LDAP_PROTOCOL_ERROR, "newSuperior requires LDAPv3" );
118 if ( ber_scanf( op->o_ber, "a", &newSuperior )
121 Debug( LDAP_DEBUG_ANY, "ber_scanf(\"a\") failed\n",
123 send_ldap_disconnect( conn, op,
124 LDAP_PROTOCOL_ERROR, "decoding error" );
129 nnewSuperior = ch_strdup( newSuperior );
131 if( dn_normalize( nnewSuperior ) == NULL ) {
132 Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid new superior (%s)\n",
134 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
135 "invalid (new superior) DN", NULL, NULL );
141 Debug( LDAP_DEBUG_ARGS,
142 "do_modrdn: dn (%s) newrdn (%s) newsuperior (%s)\n",
144 newSuperior != NULL ? newSuperior : "" );
146 if ( ber_scanf( op->o_ber, /*{*/ "}") == LBER_ERROR ) {
147 Debug( LDAP_DEBUG_ANY, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
148 send_ldap_disconnect( conn, op,
149 LDAP_PROTOCOL_ERROR, "decoding error" );
154 if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
155 Debug( LDAP_DEBUG_ANY, "do_modrdn: get_ctrls failed\n", 0, 0, 0 );
156 /* get_ctrls has sent results. Now clean up. */
160 Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d MODRDN dn=\"%s\"\n",
161 op->o_connid, op->o_opid, dn, 0, 0 );
164 * We could be serving multiple database backends. Select the
165 * appropriate one, or send a referral to our "referral server"
166 * if we don't hold it.
169 if ( (be = select_backend( ndn )) == NULL ) {
170 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
171 NULL, NULL, default_referral, NULL );
175 /* make sure this backend recongizes critical controls */
176 rc = backend_check_controls( be, conn, op ) ;
178 if( rc != LDAP_SUCCESS ) {
179 send_ldap_result( conn, op, rc,
180 NULL, NULL, NULL, NULL );
184 if ( global_readonly || be->be_readonly ) {
185 Debug( LDAP_DEBUG_ANY, "do_modrdn: database is read-only\n",
187 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
188 NULL, "database is read-only", NULL, NULL );
192 /* Make sure that the entry being changed and the newSuperior are in
193 * the same backend, otherwise we return an error.
195 if( newSuperior != NULL ) {
196 newSuperior_be = select_backend( nnewSuperior );
198 if ( newSuperior_be != be ) {
199 /* newSuperior is in same backend */
200 rc = LDAP_AFFECTS_MULTIPLE_DSAS;
202 send_ldap_result( conn, op, rc,
203 NULL, NULL, NULL, NULL );
208 /* deref suffix alias if appropriate */
209 nnewSuperior = suffix_alias( be, nnewSuperior );
212 /* deref suffix alias if appropriate */
213 ndn = suffix_alias( be, ndn );
216 * do the add if 1 && (2 || 3)
217 * 1) there is an add function implemented in this backend;
218 * 2) this backend is master for what it holds;
219 * 3) it's a replica and the dn supplied is the update_ndn.
221 if ( be->be_modrdn ) {
222 /* do the update here */
223 #ifndef SLAPD_MULTIMASTER
224 if ( be->be_update_ndn == NULL ||
225 strcmp( be->be_update_ndn, op->o_ndn ) == 0 )
228 if ( (*be->be_modrdn)( be, conn, op, dn, ndn, newrdn,
229 deloldrdn, newSuperior ) == 0
230 #ifdef SLAPD_MULTIMASTER
231 && ( be->be_update_ndn == NULL ||
232 strcmp( be->be_update_ndn, op->o_ndn ) )
235 struct replog_moddn moddn;
236 moddn.newrdn = newrdn;
237 moddn.deloldrdn = deloldrdn;
238 moddn.newsup = newSuperior;
240 replog( be, op, dn, &moddn );
242 #ifndef SLAPD_MULTIMASTER
244 send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
245 be->be_update_refs ? be->be_update_refs : default_referral, NULL );
249 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
250 NULL, "Function not implemented", NULL, NULL );
257 if ( newSuperior != NULL )
259 if ( nnewSuperior != NULL )
260 free( nnewSuperior );