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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 11:11:40 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 11:11:40 +0000 |
commit | 7731832751ab9f3c6ddeb66f186d3d7fa1934a6d (patch) | |
tree | e91015872543a59be2aad26c2fea02e41b57005d /servers/slapd/back-ldap/compare.c | |
parent | Initial commit. (diff) | |
download | openldap-upstream/2.4.57+dfsg.tar.xz openldap-upstream/2.4.57+dfsg.zip |
Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'servers/slapd/back-ldap/compare.c')
-rw-r--r-- | servers/slapd/back-ldap/compare.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/servers/slapd/back-ldap/compare.c b/servers/slapd/back-ldap/compare.c new file mode 100644 index 0000000..64c40cd --- /dev/null +++ b/servers/slapd/back-ldap/compare.c @@ -0,0 +1,88 @@ +/* compare.c - ldap backend compare function */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 2003-2021 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/string.h> +#include <ac/socket.h> + +#include "slap.h" +#include "back-ldap.h" + +int +ldap_back_compare( + Operation *op, + SlapReply *rs ) +{ + ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private; + + ldapconn_t *lc = NULL; + ber_int_t msgid; + ldap_back_send_t retrying = LDAP_BACK_RETRYING; + LDAPControl **ctrls = NULL; + int rc = LDAP_SUCCESS; + + if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) { + lc = NULL; + goto cleanup; + } + +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_compare_ext( lc->lc_ld, op->o_req_dn.bv_val, + op->orc_ava->aa_desc->ad_cname.bv_val, + &op->orc_ava->aa_value, + ctrls, NULL, &msgid ); + rc = ldap_back_op_result( lc, op, rs, msgid, + li->li_timeout[ SLAP_OP_COMPARE ], + ( LDAP_BACK_SENDRESULT | retrying ) ); + if ( rc == 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_COMPARE ], 1 ); + ldap_pvt_thread_mutex_unlock( &li->li_counter_mutex ); + +cleanup: + (void)ldap_back_controls_free( op, rs, &ctrls ); + + if ( lc != NULL ) { + ldap_back_release_conn( li, lc ); + } + + return rs->sr_err; +} |