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.
22 #include <ac/string.h>
23 #include <ac/socket.h>
34 struct berval dn = { 0, NULL };
35 struct berval pdn = { 0, NULL };
36 struct berval ndn = { 0, NULL };
43 LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
44 "do_delete: conn %d\n", conn->c_connid ));
46 Debug( LDAP_DEBUG_TRACE, "do_delete\n", 0, 0, 0 );
50 * Parse the delete request. It looks like this:
52 * DelRequest := DistinguishedName
55 if ( ber_scanf( op->o_ber, "m", &dn ) == LBER_ERROR ) {
57 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
58 "do_delete: conn: %d ber_scanf failed\n", conn->c_connid ));
60 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
62 send_ldap_disconnect( conn, op,
63 LDAP_PROTOCOL_ERROR, "decoding error" );
64 return SLAPD_DISCONNECT;
67 if( ( rc = get_ctrls( conn, op, 1 ) ) != LDAP_SUCCESS ) {
69 LDAP_LOG(( "oepration", LDAP_LEVEL_ERR,
70 "do_delete: conn %d get_ctrls failed\n", conn->c_connid ));
72 Debug( LDAP_DEBUG_ANY, "do_delete: get_ctrls failed\n", 0, 0, 0 );
77 rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn );
78 if( rc != LDAP_SUCCESS ) {
80 LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
81 "do_delete: conn %d invalid dn (%s)\n",
82 conn->c_connid, dn.bv_val ));
84 Debug( LDAP_DEBUG_ANY,
85 "do_delete: invalid dn (%s)\n", dn.bv_val, 0, 0 );
87 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
88 "invalid DN", NULL, NULL );
92 if( ndn.bv_len == 0 ) {
94 LDAP_LOG(( "operation", LDAP_LEVEL_INFO, "do_delete: conn %d: "
95 "Attempt to delete root DSE.\n", conn->c_connid ));
97 Debug( LDAP_DEBUG_ANY, "do_delete: root dse!\n", 0, 0, 0 );
99 /* protocolError would likely be a more appropriate error */
100 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
101 NULL, "cannot delete the root DSE", NULL, NULL );
104 #ifdef SLAPD_SCHEMA_DN
106 } else if ( strcasecmp( ndn.bv_val, SLAPD_SCHEMA_DN ) == 0 ) {
108 LDAP_LOG(( "operation", LDAP_LEVEL_INFO, "do_delete: conn %d: "
109 "Attempt to delete subschema subentry.\n", conn->c_connid ));
111 Debug( LDAP_DEBUG_ANY, "do_delete: subschema subentry!\n", 0, 0, 0 );
113 /* protocolError would likely be a more appropriate error */
114 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
115 NULL, "cannot delete the root DSE", NULL, NULL );
121 Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d DEL dn=\"%s\"\n",
122 op->o_connid, op->o_opid, pdn.bv_val, 0, 0 );
124 manageDSAit = get_manageDSAit( op );
127 * We could be serving multiple database backends. Select the
128 * appropriate one, or send a referral to our "referral server"
129 * if we don't hold it.
131 if ( (be = select_backend( &ndn, manageDSAit, 0 )) == NULL ) {
132 BerVarray ref = referral_rewrite( default_referral,
133 NULL, &pdn, LDAP_SCOPE_DEFAULT );
135 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
136 NULL, NULL, ref ? ref : default_referral, NULL );
138 ber_bvarray_free( ref );
142 /* check restrictions */
143 rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
144 if( rc != LDAP_SUCCESS ) {
145 send_ldap_result( conn, op, rc,
146 NULL, text, NULL, NULL );
150 /* check for referrals */
151 rc = backend_check_referrals( be, conn, op, &pdn, &ndn );
152 if ( rc != LDAP_SUCCESS ) {
156 /* deref suffix alias if appropriate */
157 suffix_alias( be, &ndn );
160 * do the delete if 1 && (2 || 3)
161 * 1) there is a delete function implemented in this backend;
162 * 2) this backend is master for what it holds;
163 * 3) it's a replica and the dn supplied is the update_ndn.
165 if ( be->be_delete ) {
166 /* do the update here */
167 int repl_user = be_isupdate( be, &op->o_ndn );
168 #ifndef SLAPD_MULTIMASTER
169 if ( !be->be_update_ndn.bv_len || repl_user )
172 if ( (*be->be_delete)( be, conn, op, &pdn, &ndn ) == 0 ) {
173 #ifdef SLAPD_MULTIMASTER
174 if ( !be->be_update_ndn.bv_len || !repl_user )
177 replog( be, op, &pdn, &ndn, NULL );
180 #ifndef SLAPD_MULTIMASTER
182 BerVarray defref = be->be_update_refs
183 ? be->be_update_refs : default_referral;
184 BerVarray ref = referral_rewrite( default_referral,
185 NULL, &pdn, LDAP_SCOPE_DEFAULT );
187 send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
188 ref ? ref : defref, NULL );
190 ber_bvarray_free( ref );
195 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
196 NULL, "operation not supported within namingContext", NULL, NULL );