1 /* $OpenLDAP: pkg/ldap/servers/slapd/back-meta/delete.c,v 1.37.2.7 2008/02/12 00:25:47 quanah Exp $ */ 2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 3 * 4 * Copyright 1999-2008 The OpenLDAP Foundation. 5 * Portions Copyright 2001-2003 Pierangelo Masarati. 6 * Portions Copyright 1999-2003 Howard Chu. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted only as authorized by the OpenLDAP 11 * Public License. 12 * 13 * A copy of this license is available in the file LICENSE in the 14 * top-level directory of the distribution or, alternatively, at 15 * <http://www.OpenLDAP.org/license.html>. 16 */ 17 /* ACKNOWLEDGEMENTS: 18 * This work was initially developed by the Howard Chu for inclusion 19 * in OpenLDAP Software and subsequently enhanced by Pierangelo 20 * Masarati. 21 */ 22 23 #include "portable.h" 24 25 #include <stdio.h> 26 27 #include <ac/string.h> 28 #include <ac/socket.h> 29 30 #include "slap.h" 31 #include "../back-ldap/back-ldap.h" 32 #include "back-meta.h" 33 34 int 35 meta_back_delete( Operation *op, SlapReply *rs ) 36 { 37 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private; 38 metatarget_t *mt; 39 metaconn_t *mc = NULL; 40 int candidate = -1; 41 struct berval mdn = BER_BVNULL; 42 dncookie dc; 43 int msgid; 44 int do_retry = 1; 45 LDAPControl **ctrls = NULL; 46 47 mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR ); 48 if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) { 49 return rs->sr_err; 50 } 51 52 assert( mc->mc_conns[ candidate ].msc_ld != NULL ); 53 54 /* 55 * Rewrite the compare dn, if needed 56 */ 57 mt = mi->mi_targets[ candidate ]; 58 dc.target = mt; 59 dc.conn = op->o_conn; 60 dc.rs = rs; 61 dc.ctx = "deleteDN"; 62 63 if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) { 64 send_ldap_result( op, rs ); 65 goto cleanup; 66 } 67 68 retry:; 69 ctrls = op->o_ctrls; 70 if ( meta_back_controls_add( op, rs, mc, candidate, &ctrls ) != LDAP_SUCCESS ) 71 { 72 send_ldap_result( op, rs ); 73 goto cleanup; 74 } 75 76 rs->sr_err = ldap_delete_ext( mc->mc_conns[ candidate ].msc_ld, 77 mdn.bv_val, ctrls, NULL, &msgid ); 78 rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid, 79 mt->mt_timeout[ SLAP_OP_DELETE ], LDAP_BACK_SENDRESULT ); 80 if ( rs->sr_err == LDAP_UNAVAILABLE && do_retry ) { 81 do_retry = 0; 82 if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) { 83 /* if the identity changed, there might be need to re-authz */ 84 (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls ); 85 goto retry; 86 } 87 } 88 89 cleanup:; 90 (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls ); 91 92 if ( mdn.bv_val != op->o_req_dn.bv_val ) { 93 free( mdn.bv_val ); 94 BER_BVZERO( &mdn ); 95 } 96 97 if ( mc ) { 98 meta_back_release_conn( mi, mc ); 99 } 100 101 return rs->sr_err; 102 } 103 104