diff options
Diffstat (limited to '')
-rw-r--r-- | servers/slapd/back-ldap/modrdn.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/servers/slapd/back-ldap/modrdn.c b/servers/slapd/back-ldap/modrdn.c new file mode 100644 index 0000000..27abdd1 --- /dev/null +++ b/servers/slapd/back-ldap/modrdn.c @@ -0,0 +1,123 @@ +/* modrdn.c - ldap backend modrdn function */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 1999-2018 The OpenLDAP Foundation. + * Portions Copyright 1999-2003 Howard Chu. + * Portions Copyright 2000-2003 Pierangelo Masarati. + * 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 + * <http://www.OpenLDAP.org/license.html>. + */ +/* ACKNOWLEDGEMENTS: + * This work was initially developed by the Howard Chu for inclusion + * in OpenLDAP Software and subsequently enhanced by Pierangelo + * Masarati. + */ + +#include "portable.h" + +#include <stdio.h> + +#include <ac/socket.h> +#include <ac/string.h> + +#include "slap.h" +#include "back-ldap.h" + +int +ldap_back_modrdn( + Operation *op, + SlapReply *rs ) +{ + ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private; + + ldapconn_t *lc = NULL; + ber_int_t msgid; + LDAPControl **ctrls = NULL; + ldap_back_send_t retrying = LDAP_BACK_RETRYING; + int rc = LDAP_SUCCESS; + char *newSup = NULL; + struct berval newrdn = BER_BVNULL; + + if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) { + return rs->sr_err; + } + + if ( op->orr_newSup ) { + /* needs LDAPv3 */ + switch ( li->li_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; + } + + newSup = op->orr_newSup->bv_val; + } + + /* 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; + rc = ldap_back_controls_add( op, rs, lc, &ctrls ); + if ( rc != LDAP_SUCCESS ) { + send_ldap_result( op, rs ); + goto cleanup; + } + + rs->sr_err = ldap_rename( lc->lc_ld, op->o_req_dn.bv_val, + newrdn.bv_val, newSup, + op->orr_deleteoldrdn, ctrls, NULL, &msgid ); + rc = ldap_back_op_result( lc, op, rs, msgid, + li->li_timeout[ SLAP_OP_MODRDN ], + ( LDAP_BACK_SENDRESULT | retrying ) ); + if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) { + retrying &= ~LDAP_BACK_RETRYING; + if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) { + /* if the identity changed, there might be need to re-authz */ + (void)ldap_back_controls_free( op, rs, &ctrls ); + goto retry; + } + } + + ldap_pvt_thread_mutex_lock( &li->li_counter_mutex ); + ldap_pvt_mp_add( li->li_ops_completed[ SLAP_OP_MODRDN ], 1 ); + ldap_pvt_thread_mutex_unlock( &li->li_counter_mutex ); + +cleanup: + (void)ldap_back_controls_free( op, rs, &ctrls ); + + if ( newrdn.bv_val != op->orr_newrdn.bv_val ) { + op->o_tmpfree( newrdn.bv_val, op->o_tmpmemctx ); + } + + if ( lc != NULL ) { + ldap_back_release_conn( li, lc ); + } + + return rs->sr_err; +} + |