1 /* $NetBSD: delete.c,v 1.1.1.6 2018/02/06 01:53:16 christos Exp $ */ 2 3 /* $OpenLDAP$ */ 4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 5 * 6 * Copyright 1999-2017 The OpenLDAP Foundation. 7 * Portions Copyright 2001-2003 Pierangelo Masarati. 8 * Portions Copyright 1999-2003 Howard Chu. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted only as authorized by the OpenLDAP 13 * Public License. 14 * 15 * A copy of this license is available in the file LICENSE in the 16 * top-level directory of the distribution or, alternatively, at 17 * <http://www.OpenLDAP.org/license.html>. 18 */ 19 /* ACKNOWLEDGEMENTS: 20 * This work was initially developed by the Howard Chu for inclusion 21 * in OpenLDAP Software and subsequently enhanced by Pierangelo 22 * Masarati. 23 */ 24 25 #include <sys/cdefs.h> 26 __RCSID("$NetBSD: delete.c,v 1.1.1.6 2018/02/06 01:53:16 christos Exp $"); 27 28 #include "portable.h" 29 30 #include <stdio.h> 31 32 #include <ac/string.h> 33 #include <ac/socket.h> 34 35 #include "slap.h" 36 #include "../back-ldap/back-ldap.h" 37 #include "back-meta.h" 38 39 int 40 meta_back_delete( Operation *op, SlapReply *rs ) 41 { 42 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private; 43 metatarget_t *mt; 44 metaconn_t *mc = NULL; 45 int candidate = -1; 46 struct berval mdn = BER_BVNULL; 47 dncookie dc; 48 int msgid; 49 ldap_back_send_t retrying = LDAP_BACK_RETRYING; 50 LDAPControl **ctrls = NULL; 51 52 mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR ); 53 if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) { 54 return rs->sr_err; 55 } 56 57 assert( mc->mc_conns[ candidate ].msc_ld != NULL ); 58 59 /* 60 * Rewrite the compare dn, if needed 61 */ 62 mt = mi->mi_targets[ candidate ]; 63 dc.target = mt; 64 dc.conn = op->o_conn; 65 dc.rs = rs; 66 dc.ctx = "deleteDN"; 67 68 if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) { 69 send_ldap_result( op, rs ); 70 goto cleanup; 71 } 72 73 retry:; 74 ctrls = op->o_ctrls; 75 if ( meta_back_controls_add( op, rs, mc, candidate, &ctrls ) != LDAP_SUCCESS ) 76 { 77 send_ldap_result( op, rs ); 78 goto cleanup; 79 } 80 81 rs->sr_err = ldap_delete_ext( mc->mc_conns[ candidate ].msc_ld, 82 mdn.bv_val, ctrls, NULL, &msgid ); 83 rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid, 84 mt->mt_timeout[ SLAP_OP_DELETE ], ( LDAP_BACK_SENDRESULT | retrying ) ); 85 if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) { 86 retrying &= ~LDAP_BACK_RETRYING; 87 if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) { 88 /* if the identity changed, there might be need to re-authz */ 89 (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls ); 90 goto retry; 91 } 92 } 93 94 cleanup:; 95 (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls ); 96 97 if ( mdn.bv_val != op->o_req_dn.bv_val ) { 98 free( mdn.bv_val ); 99 BER_BVZERO( &mdn ); 100 } 101 102 if ( mc ) { 103 meta_back_release_conn( mi, mc ); 104 } 105 106 return rs->sr_err; 107 } 108 109