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.
22 #include <ac/string.h>
23 #include <ac/socket.h>
34 char *dn, *ndn = NULL, *text;
38 Debug( LDAP_DEBUG_TRACE, "do_delete\n", 0, 0, 0 );
41 * Parse the delete request. It looks like this:
43 * DelRequest := DistinguishedName
46 if ( ber_scanf( op->o_ber, "a", &dn ) == LBER_ERROR ) {
47 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
48 send_ldap_disconnect( conn, op,
49 LDAP_PROTOCOL_ERROR, "decoding error" );
50 return SLAPD_DISCONNECT;
53 if( ( rc = get_ctrls( conn, op, 1 ) ) != LDAP_SUCCESS ) {
54 Debug( LDAP_DEBUG_ANY, "do_delete: get_ctrls failed\n", 0, 0, 0 );
58 ndn = ch_strdup( dn );
60 if( dn_normalize( ndn ) == NULL ) {
61 Debug( LDAP_DEBUG_ANY, "do_delete: invalid dn (%s)\n", dn, 0, 0 );
62 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
63 "invalid DN", NULL, NULL );
67 Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d DEL dn=\"%s\"\n",
68 op->o_connid, op->o_opid, dn, 0, 0 );
71 * We could be serving multiple database backends. Select the
72 * appropriate one, or send a referral to our "referral server"
73 * if we don't hold it.
75 if ( (be = select_backend( ndn )) == NULL ) {
76 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
77 NULL, NULL, default_referral, NULL );
81 /* make sure this backend recongizes critical controls */
82 rc = backend_check_controls( be, conn, op, &text ) ;
84 if( rc != LDAP_SUCCESS ) {
85 send_ldap_result( conn, op, rc,
86 NULL, text, NULL, NULL );
90 if ( global_readonly || be->be_readonly ) {
91 Debug( LDAP_DEBUG_ANY, "do_delete: database is read-only\n",
93 send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
94 NULL, "directory is read-only", NULL, NULL );
95 rc = LDAP_UNWILLING_TO_PERFORM;
99 /* deref suffix alias if appropriate */
100 ndn = suffix_alias( be, ndn );
103 * do the delete if 1 && (2 || 3)
104 * 1) there is a delete function implemented in this backend;
105 * 2) this backend is master for what it holds;
106 * 3) it's a replica and the dn supplied is the update_ndn.
108 if ( be->be_delete ) {
109 /* do the update here */
110 #ifndef SLAPD_MULTIMASTER
111 if ( be->be_update_ndn == NULL ||
112 strcmp( be->be_update_ndn, op->o_ndn ) == 0 )
115 if ( (*be->be_delete)( be, conn, op, dn, ndn ) == 0 ) {
116 #ifdef SLAPD_MULTIMASTER
117 if (be->be_update_ndn == NULL ||
118 strcmp( be->be_update_ndn, op->o_ndn ))
121 replog( be, op, dn, NULL );
124 #ifndef SLAPD_MULTIMASTER
126 send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
127 be->be_update_refs ? be->be_update_refs : default_referral, NULL );
132 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
133 NULL, "delete function not implemented", NULL, NULL );
136 if( ndn != NULL ) free( ndn );