]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/delete.c
trim listed modules
[openldap] / servers / slapd / delete.c
index bbab47806c0d7d24d7181125d39cfc485bdc898f..e31c51bbdb79b7b263f7cd044a0207a34080c171 100644 (file)
@@ -1,5 +1,18 @@
-/*
- * Copyright (c) 1995 Regents of the University of Michigan.
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2007 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms are permitted
  * is provided ``as is'' without express or implied warranty.
  */
 
+#include "portable.h"
+
 #include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include "slap.h"
 
-extern Backend *select_backend();
+#include <ac/string.h>
+#include <ac/socket.h>
+
+#include "slap.h"
 
-extern char    *default_referral;
+#include "lutil.h"
 
-void
+int
 do_delete(
-    Connection *conn,
-    Operation  *op
-)
+    Operation  *op,
+    SlapReply  *rs )
 {
-       char    *dn, *odn;
-       Backend *be;
+       struct berval dn = BER_BVNULL;
 
        Debug( LDAP_DEBUG_TRACE, "do_delete\n", 0, 0, 0 );
 
@@ -37,53 +49,195 @@ do_delete(
         *      DelRequest := DistinguishedName
         */
 
-       if ( ber_scanf( op->o_ber, "a", &dn ) == LBER_ERROR ) {
+       if ( ber_scanf( op->o_ber, "m", &dn ) == LBER_ERROR ) {
                Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
-               send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL, "" );
-               return;
+               send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
+               return SLAPD_DISCONNECT;
+       }
+
+       if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
+               Debug( LDAP_DEBUG_ANY, "do_delete: get_ctrls failed\n", 0, 0, 0 );
+               goto cleanup;
+       } 
+
+       rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
+               op->o_tmpmemctx );
+       if( rs->sr_err != LDAP_SUCCESS ) {
+               Debug( LDAP_DEBUG_ANY,
+                       "do_delete: invalid dn (%s)\n", dn.bv_val, 0, 0 );
+               send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
+               goto cleanup;
+       }
+
+       if( op->o_req_ndn.bv_len == 0 ) {
+               Debug( LDAP_DEBUG_ANY, "do_delete: root dse!\n", 0, 0, 0 );
+               /* protocolError would likely be a more appropriate error */
+               send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
+                       "cannot delete the root DSE" );
+               goto cleanup;
+
+       } else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
+               Debug( LDAP_DEBUG_ANY, "do_delete: subschema subentry!\n", 0, 0, 0 );
+               /* protocolError would likely be a more appropriate error */
+               send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
+                       "cannot delete the root DSE" );
+               goto cleanup;
        }
-       odn = strdup( dn );
-       dn_normalize( dn );
 
-       Debug( LDAP_DEBUG_ARGS, "do_delete: dn (%s)\n", dn, 0, 0 );
+       Statslog( LDAP_DEBUG_STATS, "%s DEL dn=\"%s\"\n",
+               op->o_log_prefix, op->o_req_dn.bv_val, 0, 0, 0 );
+
+       op->o_bd = frontendDB;
+       rs->sr_err = frontendDB->be_delete( op, rs );
 
-       Debug( LDAP_DEBUG_STATS, "DEL dn=\"%s\"\n", dn, 0, 0 );
+#ifdef LDAP_X_TXN
+       if( rs->sr_err == LDAP_X_TXN_SPECIFY_OKAY ) {
+               /* skip cleanup */
+               return rs->sr_err;
+       }
+#endif
+
+cleanup:;
+       op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
+       op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
+       return rs->sr_err;
+}
+
+int
+fe_op_delete( Operation *op, SlapReply *rs )
+{
+       struct berval   pdn = BER_BVNULL;
+       int             manageDSAit;
+       BackendDB       *op_be, *bd = op->o_bd;
+       
+       manageDSAit = get_manageDSAit( op );
 
        /*
         * We could be serving multiple database backends.  Select the
         * appropriate one, or send a referral to our "referral server"
         * if we don't hold it.
         */
-       if ( (be = select_backend( dn )) == NULL ) {
-               free( dn );
-               free( odn );
-               send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
-                   default_referral );
-               return;
+       op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 1 );
+       if ( op->o_bd == NULL ) {
+               op->o_bd = bd;
+               rs->sr_ref = referral_rewrite( default_referral,
+                       NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
+
+               if (!rs->sr_ref) rs->sr_ref = default_referral;
+               if ( rs->sr_ref != NULL ) {
+                       rs->sr_err = LDAP_REFERRAL;
+                       send_ldap_result( op, rs );
+
+                       if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
+               } else {
+                       send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
+                               "no global superior knowledge" );
+               }
+               goto cleanup;
+       }
+
+       /* If we've got a glued backend, check the real backend */
+       op_be = op->o_bd;
+       if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
+               op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
+       }
+
+       /* check restrictions */
+       if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
+               send_ldap_result( op, rs );
+               goto cleanup;
+       }
+
+       /* check for referrals */
+       if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
+               goto cleanup;
        }
 
        /*
         * do the delete if 1 && (2 || 3)
         * 1) there is a delete function implemented in this backend;
         * 2) this backend is master for what it holds;
-        * 3) it's a replica and the dn supplied is the updatedn.
+        * 3) it's a replica and the dn supplied is the update_ndn.
         */
-       if ( be->be_delete != NULL ) {
+       if ( op->o_bd->be_delete ) {
                /* do the update here */
-               if ( be->be_updatedn == NULL || strcasecmp( be->be_updatedn,
-                   op->o_dn ) == 0 ) {
-                       if ( (*be->be_delete)( be, conn, op, dn ) == 0 ) {
-                               replog( be, LDAP_REQ_DELETE, odn, NULL, 0 );
+               int repl_user = be_isupdate( op );
+               if ( !SLAP_SINGLE_SHADOW(op->o_bd) || repl_user ) {
+                       struct berval   org_req_dn = BER_BVNULL;
+                       struct berval   org_req_ndn = BER_BVNULL;
+                       struct berval   org_dn = BER_BVNULL;
+                       struct berval   org_ndn = BER_BVNULL;
+                       int             org_managedsait;
+                       slap_callback   cb = { NULL, slap_replog_cb, NULL, NULL };
+
+                       op->o_bd = op_be;
+
+                       if ( !op->o_bd->be_update_ndn.bv_len || !repl_user ) {
+                               cb.sc_next = op->o_callback;
+                               op->o_callback = &cb;
                        }
+
+                       op->o_bd->be_delete( op, rs );
+
+                       org_req_dn = op->o_req_dn;
+                       org_req_ndn = op->o_req_ndn;
+                       org_dn = op->o_dn;
+                       org_ndn = op->o_ndn;
+                       org_managedsait = get_manageDSAit( op );
+                       op->o_dn = op->o_bd->be_rootdn;
+                       op->o_ndn = op->o_bd->be_rootndn;
+                       op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
+
+                       while ( rs->sr_err == LDAP_SUCCESS &&
+                               op->o_delete_glue_parent )
+                       {
+                               op->o_delete_glue_parent = 0;
+                               if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
+                                       slap_callback cb = { NULL, NULL, NULL, NULL };
+                                       cb.sc_response = slap_null_cb;
+                                       dnParent( &op->o_req_ndn, &pdn );
+                                       op->o_req_dn = pdn;
+                                       op->o_req_ndn = pdn;
+                                       op->o_callback = &cb;
+                                       op->o_bd->be_delete( op, rs );
+                               } else {
+                                       break;
+                               }
+                       }
+
+                       op->o_managedsait = org_managedsait;
+                       op->o_dn = org_dn;
+                       op->o_ndn = org_ndn;
+                       op->o_req_dn = org_req_dn;
+                       op->o_req_ndn = org_req_ndn;
+                       op->o_delete_glue_parent = 0;
+
                } else {
-                       send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
-                           default_referral );
+                       BerVarray defref = op->o_bd->be_update_refs
+                               ? op->o_bd->be_update_refs : default_referral;
+
+                       if ( defref != NULL ) {
+                               rs->sr_ref = referral_rewrite( defref,
+                                       NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
+                               if (!rs->sr_ref) rs->sr_ref = defref;
+                               rs->sr_err = LDAP_REFERRAL;
+                               send_ldap_result( op, rs );
+
+                               if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
+
+                       } else {
+                               send_ldap_error( op, rs,
+                                       LDAP_UNWILLING_TO_PERFORM,
+                                       "shadow context; no update referral" );
+                       }
                }
+
        } else {
-               send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM, NULL,
-                   "Function not implemented" );
+               send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
+                       "operation not supported within namingContext" );
        }
 
-       free( dn );
-       free( odn );
+cleanup:;
+       op->o_bd = bd;
+       return rs->sr_err;
 }