1 /* $NetBSD: modrdn.c,v 1.1.1.6 2018/02/06 01:53:17 christos Exp $ */ 2 3 /* modrdn.c - ldap backend modrdn function */ 4 /* $OpenLDAP$ */ 5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 6 * 7 * Copyright 1999-2017 The OpenLDAP Foundation. 8 * Portions Copyright 1999-2003 Howard Chu. 9 * Portions Copyright 2000-2003 Pierangelo Masarati. 10 * All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted only as authorized by the OpenLDAP 14 * Public License. 15 * 16 * A copy of this license is available in the file LICENSE in the 17 * top-level directory of the distribution or, alternatively, at 18 * <http://www.OpenLDAP.org/license.html>. 19 */ 20 /* ACKNOWLEDGEMENTS: 21 * This work was initially developed by the Howard Chu for inclusion 22 * in OpenLDAP Software and subsequently enhanced by Pierangelo 23 * Masarati. 24 */ 25 26 #include <sys/cdefs.h> 27 __RCSID("$NetBSD: modrdn.c,v 1.1.1.6 2018/02/06 01:53:17 christos Exp $"); 28 29 #include "portable.h" 30 31 #include <stdio.h> 32 33 #include <ac/socket.h> 34 #include <ac/string.h> 35 36 #include "slap.h" 37 #include "back-ldap.h" 38 39 int 40 ldap_back_modrdn( 41 Operation *op, 42 SlapReply *rs ) 43 { 44 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private; 45 46 ldapconn_t *lc = NULL; 47 ber_int_t msgid; 48 LDAPControl **ctrls = NULL; 49 ldap_back_send_t retrying = LDAP_BACK_RETRYING; 50 int rc = LDAP_SUCCESS; 51 char *newSup = NULL; 52 struct berval newrdn = BER_BVNULL; 53 54 if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) { 55 return rs->sr_err; 56 } 57 58 if ( op->orr_newSup ) { 59 /* needs LDAPv3 */ 60 switch ( li->li_version ) { 61 case LDAP_VERSION3: 62 break; 63 64 case 0: 65 if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) { 66 break; 67 } 68 /* fall thru */ 69 70 default: 71 /* op->o_protocol cannot be anything but LDAPv3, 72 * otherwise wouldn't be here */ 73 rs->sr_err = LDAP_UNWILLING_TO_PERFORM; 74 send_ldap_result( op, rs ); 75 goto cleanup; 76 } 77 78 newSup = op->orr_newSup->bv_val; 79 } 80 81 /* NOTE: we need to copy the newRDN in case it was formed 82 * from a DN by simply changing the length (ITS#5397) */ 83 newrdn = op->orr_newrdn; 84 if ( newrdn.bv_val[ newrdn.bv_len ] != '\0' ) { 85 ber_dupbv_x( &newrdn, &op->orr_newrdn, op->o_tmpmemctx ); 86 } 87 88 retry: 89 ctrls = op->o_ctrls; 90 rc = ldap_back_controls_add( op, rs, lc, &ctrls ); 91 if ( rc != LDAP_SUCCESS ) { 92 send_ldap_result( op, rs ); 93 goto cleanup; 94 } 95 96 rs->sr_err = ldap_rename( lc->lc_ld, op->o_req_dn.bv_val, 97 newrdn.bv_val, newSup, 98 op->orr_deleteoldrdn, ctrls, NULL, &msgid ); 99 rc = ldap_back_op_result( lc, op, rs, msgid, 100 li->li_timeout[ SLAP_OP_MODRDN ], 101 ( LDAP_BACK_SENDRESULT | retrying ) ); 102 if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) { 103 retrying &= ~LDAP_BACK_RETRYING; 104 if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) { 105 /* if the identity changed, there might be need to re-authz */ 106 (void)ldap_back_controls_free( op, rs, &ctrls ); 107 goto retry; 108 } 109 } 110 111 ldap_pvt_thread_mutex_lock( &li->li_counter_mutex ); 112 ldap_pvt_mp_add( li->li_ops_completed[ SLAP_OP_MODRDN ], 1 ); 113 ldap_pvt_thread_mutex_unlock( &li->li_counter_mutex ); 114 115 cleanup: 116 (void)ldap_back_controls_free( op, rs, &ctrls ); 117 118 if ( newrdn.bv_val != op->orr_newrdn.bv_val ) { 119 op->o_tmpfree( newrdn.bv_val, op->o_tmpmemctx ); 120 } 121 122 if ( lc != NULL ) { 123 ldap_back_release_conn( li, lc ); 124 } 125 126 return rs->sr_err; 127 } 128 129