2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1998-2005 The OpenLDAP Foundation.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted only as authorized by the OpenLDAP
11 * A copy of this license is available in the file LICENSE in the
12 * top-level directory of the distribution or, alternatively, at
13 * <http://www.OpenLDAP.org/license.html>.
15 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
16 * All rights reserved.
18 * Redistribution and use in source and binary forms are permitted
19 * provided that this notice is preserved and that due credit is given
20 * to the University of Michigan at Ann Arbor. The name of the University
21 * may not be used to endorse or promote products derived from this
22 * software without specific prior written permission. This software
23 * is provided ``as is'' without express or implied warranty.
30 #include <ac/string.h>
31 #include <ac/socket.h>
38 #include "slapi/slapi.h"
46 struct berval dn = BER_BVNULL;
48 Debug( LDAP_DEBUG_TRACE, "do_delete\n", 0, 0, 0 );
51 * Parse the delete request. It looks like this:
53 * DelRequest := DistinguishedName
56 if ( ber_scanf( op->o_ber, "m", &dn ) == LBER_ERROR ) {
57 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
58 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
59 return SLAPD_DISCONNECT;
62 if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
63 Debug( LDAP_DEBUG_ANY, "do_delete: get_ctrls failed\n", 0, 0, 0 );
67 rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
69 if( rs->sr_err != LDAP_SUCCESS ) {
70 Debug( LDAP_DEBUG_ANY,
71 "do_delete: invalid dn (%s)\n", dn.bv_val, 0, 0 );
72 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
76 if( op->o_req_ndn.bv_len == 0 ) {
77 Debug( LDAP_DEBUG_ANY, "do_delete: root dse!\n", 0, 0, 0 );
78 /* protocolError would likely be a more appropriate error */
79 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
80 "cannot delete the root DSE" );
83 } else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
84 Debug( LDAP_DEBUG_ANY, "do_delete: subschema subentry!\n", 0, 0, 0 );
85 /* protocolError would likely be a more appropriate error */
86 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
87 "cannot delete the root DSE" );
91 Statslog( LDAP_DEBUG_STATS, "%s DEL dn=\"%s\"\n",
92 op->o_log_prefix, op->o_req_dn.bv_val, 0, 0, 0 );
94 op->o_bd = frontendDB;
95 rs->sr_err = frontendDB->be_delete( op, rs );
98 slap_graduate_commit_csn( op );
100 op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
101 op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
106 fe_op_delete( Operation *op, SlapReply *rs )
108 struct berval pdn = BER_BVNULL;
112 manageDSAit = get_manageDSAit( op );
115 * We could be serving multiple database backends. Select the
116 * appropriate one, or send a referral to our "referral server"
117 * if we don't hold it.
119 op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 1 );
120 if ( op->o_bd == NULL ) {
121 rs->sr_ref = referral_rewrite( default_referral,
122 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
124 if (!rs->sr_ref) rs->sr_ref = default_referral;
125 if ( rs->sr_ref != NULL ) {
126 rs->sr_err = LDAP_REFERRAL;
128 op->o_bd = frontendDB;
129 send_ldap_result( op, rs );
132 if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
134 op->o_bd = frontendDB;
135 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
136 "no global superior knowledge" );
142 /* If we've got a glued backend, check the real backend */
144 if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
145 op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
148 /* check restrictions */
149 if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
150 send_ldap_result( op, rs );
154 /* check for referrals */
155 if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
159 #if defined( LDAP_SLAPI )
162 slapi_int_pblock_set_operation( pb, op );
163 slapi_pblock_set( pb, SLAPI_DELETE_TARGET, (void *)op->o_req_dn.bv_val );
164 slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
166 rs->sr_err = slapi_int_call_plugins( op->o_bd,
167 SLAPI_PLUGIN_PRE_DELETE_FN, pb );
168 if ( rs->sr_err < 0 ) {
170 * A preoperation plugin failure will abort the
173 Debug (LDAP_DEBUG_TRACE, "do_delete: "
174 "delete preoperation plugin failed.\n", 0, 0, 0);
175 if ( ( slapi_pblock_get( pb, SLAPI_RESULT_CODE,
176 (void *)&rs->sr_err ) != 0 ) ||
177 rs->sr_err == LDAP_SUCCESS )
179 rs->sr_err = LDAP_OTHER;
184 #endif /* defined( LDAP_SLAPI ) */
187 * do the delete if 1 && (2 || 3)
188 * 1) there is a delete function implemented in this backend;
189 * 2) this backend is master for what it holds;
190 * 3) it's a replica and the dn supplied is the update_ndn.
192 if ( op->o_bd->be_delete ) {
193 /* do the update here */
194 int repl_user = be_isupdate( op );
195 #ifndef SLAPD_MULTIMASTER
196 if ( !SLAP_SHADOW(op->o_bd) || repl_user )
199 struct berval org_req_dn = BER_BVNULL;
200 struct berval org_req_ndn = BER_BVNULL;
201 struct berval org_dn = BER_BVNULL;
202 struct berval org_ndn = BER_BVNULL;
204 slap_callback cb = { NULL, slap_replog_cb, NULL, NULL };
209 struct berval csn = BER_BVNULL;
210 char csnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
211 slap_get_csn( op, csnbuf, sizeof(csnbuf), &csn, 1 );
214 #ifdef SLAPD_MULTIMASTER
215 if ( !op->o_bd->be_update_ndn.bv_len || !repl_user )
218 cb.sc_next = op->o_callback;
219 op->o_callback = &cb;
222 op->o_bd->be_delete( op, rs );
224 org_req_dn = op->o_req_dn;
225 org_req_ndn = op->o_req_ndn;
228 org_managedsait = get_manageDSAit( op );
229 op->o_dn = op->o_bd->be_rootdn;
230 op->o_ndn = op->o_bd->be_rootndn;
231 op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
233 while ( rs->sr_err == LDAP_SUCCESS &&
234 op->o_delete_glue_parent )
236 op->o_delete_glue_parent = 0;
237 if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
238 slap_callback cb = { NULL };
239 cb.sc_response = slap_null_cb;
240 dnParent( &op->o_req_ndn, &pdn );
243 op->o_callback = &cb;
244 op->o_bd->be_delete( op, rs );
250 op->o_managedsait = org_managedsait;
253 op->o_req_dn = org_req_dn;
254 op->o_req_ndn = org_req_ndn;
255 op->o_delete_glue_parent = 0;
257 #ifndef SLAPD_MULTIMASTER
259 BerVarray defref = op->o_bd->be_update_refs
260 ? op->o_bd->be_update_refs : default_referral;
262 if ( defref != NULL ) {
263 rs->sr_ref = referral_rewrite( defref,
264 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
265 if (!rs->sr_ref) rs->sr_ref = defref;
266 rs->sr_err = LDAP_REFERRAL;
267 send_ldap_result( op, rs );
269 if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
272 send_ldap_error( op, rs,
273 LDAP_UNWILLING_TO_PERFORM,
274 "shadow context; no update referral" );
280 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
281 "operation not supported within namingContext" );
284 #if defined( LDAP_SLAPI )
285 if ( pb != NULL && slapi_int_call_plugins( op->o_bd,
286 SLAPI_PLUGIN_POST_DELETE_FN, pb ) < 0)
288 Debug(LDAP_DEBUG_TRACE,
289 "do_delete: delete postoperation plugins failed\n",
292 #endif /* defined( LDAP_SLAPI ) */