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.
22 #include <ac/string.h>
23 #include <ac/socket.h>
34 char *dn, *ndn = NULL;
36 struct berval **urls = NULL;
40 Debug( LDAP_DEBUG_TRACE, "do_delete\n", 0, 0, 0 );
43 * Parse the delete request. It looks like this:
45 * DelRequest := DistinguishedName
48 if ( ber_scanf( op->o_ber, "a", &dn ) == LBER_ERROR ) {
49 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
50 send_ldap_disconnect( conn, op,
51 LDAP_PROTOCOL_ERROR, "decoding error" );
52 return SLAPD_DISCONNECT;
55 if( ( rc = get_ctrls( conn, op, 1 ) ) != LDAP_SUCCESS ) {
56 Debug( LDAP_DEBUG_ANY, "do_delete: get_ctrls failed\n", 0, 0, 0 );
60 ndn = ch_strdup( dn );
62 if( dn_normalize( ndn ) == NULL ) {
63 Debug( LDAP_DEBUG_ANY, "do_delete: invalid dn (%s)\n", dn, 0, 0 );
64 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
65 "invalid DN", NULL, NULL );
69 Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d DEL dn=\"%s\"\n",
70 op->o_connid, op->o_opid, dn, 0, 0 );
73 * We could be serving multiple database backends. Select the
74 * appropriate one, or send a referral to our "referral server"
75 * if we don't hold it.
77 if ( (be = select_backend( ndn )) == NULL ) {
78 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
79 NULL, NULL, default_referral, NULL );
83 /* make sure this backend recongizes critical controls */
84 rc = backend_check_controls( be, conn, op, &text ) ;
85 if( rc != LDAP_SUCCESS ) {
86 send_ldap_result( conn, op, rc,
87 NULL, text, NULL, NULL );
91 /* check for referrals */
92 rc = backend_check_referrals( be, conn, op, &urls, &text );
93 if ( rc != LDAP_SUCCESS ) {
94 send_ldap_result( conn, op, rc,
95 NULL, text, urls, NULL );
100 if ( global_readonly || be->be_readonly ) {
101 Debug( LDAP_DEBUG_ANY, "do_delete: database is read-only\n",
103 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
104 NULL, "directory is read-only", NULL, NULL );
108 /* deref suffix alias if appropriate */
109 ndn = suffix_alias( be, ndn );
112 * do the delete if 1 && (2 || 3)
113 * 1) there is a delete function implemented in this backend;
114 * 2) this backend is master for what it holds;
115 * 3) it's a replica and the dn supplied is the update_ndn.
117 if ( be->be_delete ) {
118 /* do the update here */
119 #ifndef SLAPD_MULTIMASTER
120 if ( be->be_update_ndn == NULL ||
121 strcmp( be->be_update_ndn, op->o_ndn ) == 0 )
124 if ( (*be->be_delete)( be, conn, op, dn, ndn ) == 0 ) {
125 #ifdef SLAPD_MULTIMASTER
126 if (be->be_update_ndn == NULL ||
127 strcmp( be->be_update_ndn, op->o_ndn ))
130 replog( be, op, dn, NULL );
133 #ifndef SLAPD_MULTIMASTER
135 send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
136 be->be_update_refs ? be->be_update_refs : default_referral, NULL );
141 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
142 NULL, "operation not supported within namingContext", NULL, NULL );
145 if( ndn != NULL ) free( ndn );