/* $NetBSD: modrdn.c,v 1.1.1.6.6.1 2019/08/10 06:17:19 martin Exp $ */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 1999-2019 The OpenLDAP Foundation. * Portions Copyright 2001-2003 Pierangelo Masarati. * Portions Copyright 1999-2003 Howard Chu. * 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 * . */ /* ACKNOWLEDGEMENTS: * This work was initially developed by the Howard Chu for inclusion * in OpenLDAP Software and subsequently enhanced by Pierangelo * Masarati. */ #include __RCSID("$NetBSD: modrdn.c,v 1.1.1.6.6.1 2019/08/10 06:17:19 martin Exp $"); #include "portable.h" #include #include #include #include "slap.h" #include "../back-ldap/back-ldap.h" #include "back-meta.h" int meta_back_modrdn( Operation *op, SlapReply *rs ) { metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private; metatarget_t *mt; metaconn_t *mc; int candidate = -1; struct berval mdn = BER_BVNULL, mnewSuperior = BER_BVNULL; dncookie dc; int msgid; ldap_back_send_t retrying = LDAP_BACK_RETRYING; LDAPControl **ctrls = NULL; struct berval newrdn = BER_BVNULL; mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR ); if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) { return rs->sr_err; } assert( mc->mc_conns[ candidate ].msc_ld != NULL ); mt = mi->mi_targets[ candidate ]; dc.target = mt; dc.conn = op->o_conn; dc.rs = rs; if ( op->orr_newSup ) { /* * NOTE: the newParent, if defined, must be on the * same target as the entry to be renamed. This check * has been anticipated in meta_back_getconn() */ /* * FIXME: one possibility is to delete the entry * from one target and add it to the other; * unfortunately we'd need write access to both, * which is nearly impossible; for administration * needs, the rootdn of the metadirectory could * be mapped to an administrative account on each * target (the binddn?); we'll see. */ /* * NOTE: we need to port the identity assertion * feature from back-ldap */ /* needs LDAPv3 */ switch ( mt->mt_version ) { case LDAP_VERSION3: break; case 0: if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) { break; } /* fall thru */ default: /* op->o_protocol cannot be anything but LDAPv3, * otherwise wouldn't be here */ rs->sr_err = LDAP_UNWILLING_TO_PERFORM; send_ldap_result( op, rs ); goto cleanup; } /* * Rewrite the new superior, if defined and required */ dc.ctx = "newSuperiorDN"; if ( ldap_back_dn_massage( &dc, op->orr_newSup, &mnewSuperior ) ) { rs->sr_err = LDAP_OTHER; send_ldap_result( op, rs ); goto cleanup; } } /* * Rewrite the modrdn dn, if required */ dc.ctx = "modrDN"; if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) { rs->sr_err = LDAP_OTHER; send_ldap_result( op, rs ); goto cleanup; } /* NOTE: we need to copy the newRDN in case it was formed * from a DN by simply changing the length (ITS#5397) */ newrdn = op->orr_newrdn; if ( newrdn.bv_val[ newrdn.bv_len ] != '\0' ) { ber_dupbv_x( &newrdn, &op->orr_newrdn, op->o_tmpmemctx ); } retry:; ctrls = op->o_ctrls; if ( meta_back_controls_add( op, rs, mc, candidate, &ctrls ) != LDAP_SUCCESS ) { send_ldap_result( op, rs ); goto cleanup; } rs->sr_err = ldap_rename( mc->mc_conns[ candidate ].msc_ld, mdn.bv_val, newrdn.bv_val, mnewSuperior.bv_val, op->orr_deleteoldrdn, ctrls, NULL, &msgid ); rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid, mt->mt_timeout[ SLAP_OP_MODRDN ], ( LDAP_BACK_SENDRESULT | retrying ) ); if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) { retrying &= ~LDAP_BACK_RETRYING; if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) { /* if the identity changed, there might be need to re-authz */ (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls ); goto retry; } } cleanup:; (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls ); if ( mdn.bv_val != op->o_req_dn.bv_val ) { free( mdn.bv_val ); BER_BVZERO( &mdn ); } if ( !BER_BVISNULL( &mnewSuperior ) && mnewSuperior.bv_val != op->orr_newSup->bv_val ) { free( mnewSuperior.bv_val ); BER_BVZERO( &mnewSuperior ); } if ( newrdn.bv_val != op->orr_newrdn.bv_val ) { op->o_tmpfree( newrdn.bv_val, op->o_tmpmemctx ); } if ( mc ) { meta_back_release_conn( mi, mc ); } return rs->sr_err; }