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Diffstat (limited to 'servers/slapd/back-wt/compare.c')
| -rw-r--r-- | servers/slapd/back-wt/compare.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/servers/slapd/back-wt/compare.c b/servers/slapd/back-wt/compare.c new file mode 100644 index 0000000..038b273 --- /dev/null +++ b/servers/slapd/back-wt/compare.c @@ -0,0 +1,154 @@ +/* OpenLDAP WiredTiger backend */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 2002-2022 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 + * <http://www.OpenLDAP.org/license.html>. + */ +/* ACKNOWLEDGEMENTS: + * This work was developed by HAMANO Tsukasa <hamano@osstech.co.jp> + * based on back-bdb for inclusion in OpenLDAP Software. + * WiredTiger is a product of MongoDB Inc. + */ + +#include "portable.h" + +#include <stdio.h> +#include <ac/string.h> + +#include "back-wt.h" +#include "slap-config.h" + +int +wt_compare( Operation *op, SlapReply *rs ) +{ + struct wt_info *wi = (struct wt_info *) op->o_bd->be_private; + Entry *e = NULL; + int manageDSAit = get_manageDSAit( op ); + int rc; + wt_ctx *wc = NULL; + + Debug( LDAP_DEBUG_ARGS, "==> wt_compare: %s\n", + op->o_req_dn.bv_val ); + + wc = wt_ctx_get(op, wi); + if( !wc ){ + Debug( LDAP_DEBUG_ANY, "wt_compare: wt_ctx_get failed\n" ); + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + send_ldap_result( op, rs ); + return rs->sr_err; + } + + rc = wt_dn2entry(op->o_bd, wc, &op->o_req_ndn, &e); + switch( rc ) { + case 0: + case WT_NOTFOUND: + break; + default: + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto return_results; + } + + if ( rc == WT_NOTFOUND || + (!manageDSAit && e && is_entry_glue( e ) )) { + + if ( !e ) { + rc = wt_dn2aentry(op->o_bd, wc, &op->o_req_ndn, &e); + switch( rc ) { + case 0: + break; + case WT_NOTFOUND: + rs->sr_err = LDAP_NO_SUCH_OBJECT; + goto return_results; + default: + Debug( LDAP_DEBUG_ANY, "wt_compare: wt_dn2aentry failed (%d)\n", + rc ); + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto return_results; + } + } + + /* return referral only if "disclose" is granted on the object */ + if ( ! access_allowed( op, e, slap_schema.si_ad_entry, + NULL, ACL_DISCLOSE, NULL ) ) + { + rs->sr_err = LDAP_NO_SUCH_OBJECT; + } else { + rs->sr_matched = ch_strdup( e->e_dn ); + if ( is_entry_referral( e )) { + BerVarray ref = get_entry_referrals( op, e ); + rs->sr_ref = referral_rewrite( ref, + &e->e_name, + &op->o_req_dn, + LDAP_SCOPE_DEFAULT ); + ber_bvarray_free( ref ); + } else { + rs->sr_ref = NULL; + } + rs->sr_err = LDAP_REFERRAL; + } + rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED; + send_ldap_result( op, rs ); + goto done; + } + + if (!manageDSAit && is_entry_referral( e ) ) { + /* return referral only if "disclose" is granted on the object */ + if ( !access_allowed( op, e, slap_schema.si_ad_entry, + NULL, ACL_DISCLOSE, NULL ) ) + { + rs->sr_err = LDAP_NO_SUCH_OBJECT; + } else { + /* entry is a referral, don't allow compare */ + rs->sr_ref = get_entry_referrals( op, e ); + rs->sr_err = LDAP_REFERRAL; + rs->sr_matched = e->e_name.bv_val; + } + + Debug( LDAP_DEBUG_TRACE, "entry is referral\n" ); + + send_ldap_result( op, rs ); + + ber_bvarray_free( rs->sr_ref ); + rs->sr_ref = NULL; + rs->sr_matched = NULL; + goto done; + } + + rs->sr_err = slap_compare_entry( op, e, op->orc_ava ); + +return_results: + send_ldap_result( op, rs ); + + switch ( rs->sr_err ) { + case LDAP_COMPARE_FALSE: + case LDAP_COMPARE_TRUE: + rs->sr_err = LDAP_SUCCESS; + break; + } + +done: + if ( e != NULL ) { + wt_entry_return( e ); + } + return rs->sr_err; +} + +/* + * Local variables: + * indent-tabs-mode: t + * tab-width: 4 + * c-basic-offset: 4 + * End: + */ |