1 /* $NetBSD: modrdn.c,v 1.1.1.4 2014/05/28 09:58:49 tron 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 1999-2014 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 "portable.h" 27 28 #include <stdio.h> 29 30 #include <ac/socket.h> 31 #include <ac/string.h> 32 33 #include "slap.h" 34 #include "back-ldap.h" 35 36 int 37 ldap_back_modrdn( 38 Operation *op, 39 SlapReply *rs ) 40 { 41 ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private; 42 43 ldapconn_t *lc = NULL; 44 ber_int_t msgid; 45 LDAPControl **ctrls = NULL; 46 ldap_back_send_t retrying = LDAP_BACK_RETRYING; 47 int rc = LDAP_SUCCESS; 48 char *newSup = NULL; 49 struct berval newrdn = BER_BVNULL; 50 51 if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) { 52 return rs->sr_err; 53 } 54 55 if ( op->orr_newSup ) { 56 /* needs LDAPv3 */ 57 switch ( li->li_version ) { 58 case LDAP_VERSION3: 59 break; 60 61 case 0: 62 if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) { 63 break; 64 } 65 /* fall thru */ 66 67 default: 68 /* op->o_protocol cannot be anything but LDAPv3, 69 * otherwise wouldn't be here */ 70 rs->sr_err = LDAP_UNWILLING_TO_PERFORM; 71 send_ldap_result( op, rs ); 72 goto cleanup; 73 } 74 75 newSup = op->orr_newSup->bv_val; 76 } 77 78 /* NOTE: we need to copy the newRDN in case it was formed 79 * from a DN by simply changing the length (ITS#5397) */ 80 newrdn = op->orr_newrdn; 81 if ( newrdn.bv_val[ newrdn.bv_len ] != '\0' ) { 82 ber_dupbv_x( &newrdn, &op->orr_newrdn, op->o_tmpmemctx ); 83 } 84 85 retry: 86 ctrls = op->o_ctrls; 87 rc = ldap_back_controls_add( op, rs, lc, &ctrls ); 88 if ( rc != LDAP_SUCCESS ) { 89 send_ldap_result( op, rs ); 90 rc = -1; 91 goto cleanup; 92 } 93 94 rs->sr_err = ldap_rename( lc->lc_ld, op->o_req_dn.bv_val, 95 newrdn.bv_val, newSup, 96 op->orr_deleteoldrdn, ctrls, NULL, &msgid ); 97 rc = ldap_back_op_result( lc, op, rs, msgid, 98 li->li_timeout[ SLAP_OP_MODRDN ], 99 ( LDAP_BACK_SENDRESULT | retrying ) ); 100 if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) { 101 retrying &= ~LDAP_BACK_RETRYING; 102 if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) { 103 /* if the identity changed, there might be need to re-authz */ 104 (void)ldap_back_controls_free( op, rs, &ctrls ); 105 goto retry; 106 } 107 } 108 109 ldap_pvt_thread_mutex_lock( &li->li_counter_mutex ); 110 ldap_pvt_mp_add( li->li_ops_completed[ SLAP_OP_MODRDN ], 1 ); 111 ldap_pvt_thread_mutex_unlock( &li->li_counter_mutex ); 112 113 cleanup: 114 (void)ldap_back_controls_free( op, rs, &ctrls ); 115 116 if ( newrdn.bv_val != op->orr_newrdn.bv_val ) { 117 op->o_tmpfree( newrdn.bv_val, op->o_tmpmemctx ); 118 } 119 120 if ( lc != NULL ) { 121 ldap_back_release_conn( li, lc ); 122 } 123 124 return rc; 125 } 126 127