/* referral.c - LDBM backend referral handler */ /* $OpenLDAP: pkg/ldap/servers/slapd/back-ldbm/referral.c,v 1.24.2.4 2007/01/02 21:44:03 kurt Exp $ */ /* This work is part of OpenLDAP Software . * * Copyright 1998-2007 The OpenLDAP Foundation. * 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 * . */ #include "portable.h" #include #include #include #include "slap.h" #include "back-ldbm.h" int ldbm_back_referrals( Operation *op, SlapReply *rs ) { struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private; Entry *e, *matched; int rc = LDAP_SUCCESS; if( op->o_tag == LDAP_REQ_SEARCH ) { /* let search take care of itself */ return LDAP_SUCCESS; } if( get_manageDSAit( op ) ) { /* let op take care of DSA management */ return LDAP_SUCCESS; } /* grab giant lock for reading */ ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock); /* get entry with reader lock */ e = dn2entry_r( op->o_bd, &op->o_req_ndn, &matched ); if ( e == NULL ) { if ( matched != NULL ) { rs->sr_matched = ch_strdup( matched->e_dn ); Debug( LDAP_DEBUG_TRACE, "ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n", op->o_tag, op->o_req_dn.bv_val, rs->sr_matched ); if ( is_entry_referral( matched ) ) { rc = rs->sr_err = LDAP_OTHER; rs->sr_ref = get_entry_referrals( op, matched ); } cache_return_entry_r( &li->li_cache, matched ); } else if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) && default_referral != NULL ) { rc = rs->sr_err = LDAP_OTHER; rs->sr_ref = referral_rewrite( default_referral, NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT ); } ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock); if ( rs->sr_ref != NULL ) { /* send referrals */ rc = rs->sr_err = LDAP_REFERRAL; } else { rs->sr_text = rs->sr_matched ? "bad referral object" : "bad default referral"; } if ( rc != LDAP_SUCCESS ) { send_ldap_result( op, rs ); } if ( rs->sr_matched ) free( (char *)rs->sr_matched ); if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref ); rs->sr_text = NULL; rs->sr_ref = NULL; rs->sr_matched = NULL; return rc; } if ( is_entry_referral( e ) ) { /* entry is a referral */ BerVarray refs = get_entry_referrals( op, e ); rs->sr_ref = referral_rewrite( refs, &e->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT ); Debug( LDAP_DEBUG_TRACE, "ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n", op->o_tag, op->o_req_dn.bv_val, e->e_dn ); rs->sr_matched = e->e_name.bv_val; if( rs->sr_ref != NULL ) { rc = rs->sr_err = LDAP_REFERRAL; rs->sr_text = NULL; } else { rc = rs->sr_err = LDAP_OTHER; rs->sr_text = "bad referral object"; } send_ldap_result( op, rs ); if ( refs != NULL ) ber_bvarray_free( refs ); rs->sr_err = rc; rs->sr_ref = NULL; rs->sr_text = NULL; rs->sr_matched = NULL; } cache_return_entry_r( &li->li_cache, e ); ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock); return rc; }