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https://git.openldap.org/openldap/openldap.git
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325 lines
7.4 KiB
C
325 lines
7.4 KiB
C
/* extended.c - ldap backend extended routines */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 2003-2007 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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/* ACKNOWLEDGEMENTS:
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* This work was initially developed by the Howard Chu for inclusion
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* in OpenLDAP Software and subsequently enhanced by Pierangelo
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* Masarati.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include "slap.h"
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#include "back-ldap.h"
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#include "lber_pvt.h"
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static BI_op_extended ldap_back_exop_passwd;
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static BI_op_extended ldap_back_exop_generic;
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static struct exop {
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struct berval oid;
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BI_op_extended *extended;
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} exop_table[] = {
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{ BER_BVC(LDAP_EXOP_MODIFY_PASSWD), ldap_back_exop_passwd },
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{ BER_BVNULL, NULL }
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};
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static int
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ldap_back_extended_one( Operation *op, SlapReply *rs, BI_op_extended exop )
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{
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ldapinfo_t *li = (ldapinfo_t *) op->o_bd->be_private;
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ldapconn_t *lc = NULL;
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LDAPControl **oldctrls = NULL;
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int rc;
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/* FIXME: this needs to be called here, so it is
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* called twice; maybe we could avoid the
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* ldap_back_dobind() call inside each extended()
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* call ... */
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if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
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return -1;
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}
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oldctrls = op->o_ctrls;
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if ( ldap_back_proxy_authz_ctrl( &lc->lc_bound_ndn,
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li->li_version, &li->li_idassert, op, rs, &op->o_ctrls ) )
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{
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op->o_ctrls = oldctrls;
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send_ldap_extended( op, rs );
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rs->sr_text = NULL;
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/* otherwise frontend resends result */
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rc = rs->sr_err = SLAPD_ABANDON;
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goto done;
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}
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rc = exop( op, rs );
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if ( op->o_ctrls && op->o_ctrls != oldctrls ) {
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free( op->o_ctrls[ 0 ] );
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free( op->o_ctrls );
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}
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op->o_ctrls = oldctrls;
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done:;
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if ( lc != NULL ) {
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ldap_back_release_conn( li, lc );
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}
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return rc;
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}
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int
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ldap_back_extended(
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Operation *op,
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SlapReply *rs )
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{
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int i;
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for ( i = 0; exop_table[i].extended != NULL; i++ ) {
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if ( bvmatch( &exop_table[i].oid, &op->oq_extended.rs_reqoid ) )
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{
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return ldap_back_extended_one( op, rs, exop_table[i].extended );
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}
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}
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/* if we get here, the exop is known; the best that we can do
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* is pass it thru as is */
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/* FIXME: maybe a list of OIDs to pass thru would be safer */
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return ldap_back_extended_one( op, rs, ldap_back_exop_generic );
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}
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static int
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ldap_back_exop_passwd(
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Operation *op,
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SlapReply *rs )
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{
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ldapinfo_t *li = (ldapinfo_t *) op->o_bd->be_private;
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ldapconn_t *lc = NULL;
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req_pwdexop_s *qpw = &op->oq_pwdexop;
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LDAPMessage *res;
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ber_int_t msgid;
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int rc, isproxy;
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int do_retry = 1;
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char *text = NULL;
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if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
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return -1;
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}
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isproxy = ber_bvcmp( &op->o_req_ndn, &op->o_ndn );
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Debug( LDAP_DEBUG_ARGS, "==> ldap_back_exop_passwd(\"%s\")%s\n",
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op->o_req_dn.bv_val, isproxy ? " (proxy)" : "", 0 );
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retry:
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rc = ldap_passwd( lc->lc_ld, isproxy ? &op->o_req_dn : NULL,
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qpw->rs_old.bv_val ? &qpw->rs_old : NULL,
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qpw->rs_new.bv_val ? &qpw->rs_new : NULL,
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op->o_ctrls, NULL, &msgid );
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if ( rc == LDAP_SUCCESS ) {
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if ( ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, NULL, &res ) == -1 ) {
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ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER, &rc );
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rs->sr_err = rc;
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} else {
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/* only touch when activity actually took place... */
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if ( li->li_idle_timeout && lc ) {
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lc->lc_time = op->o_time;
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}
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/* sigh. parse twice, because parse_passwd
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* doesn't give us the err / match / msg info.
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*/
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rc = ldap_parse_result( lc->lc_ld, res, &rs->sr_err,
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(char **)&rs->sr_matched,
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&text,
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NULL, NULL, 0 );
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if ( rc == LDAP_SUCCESS ) {
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if ( rs->sr_err == LDAP_SUCCESS ) {
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struct berval newpw;
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/* this never happens because
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* the frontend is generating
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* the new password, so when
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* the passwd exop is proxied,
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* it never delegates password
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* generation to the remote server
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*/
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rc = ldap_parse_passwd( lc->lc_ld, res,
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&newpw );
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if ( rc == LDAP_SUCCESS &&
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!BER_BVISNULL( &newpw ) )
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{
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rs->sr_type = REP_EXTENDED;
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rs->sr_rspdata = slap_passwd_return( &newpw );
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free( newpw.bv_val );
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}
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} else {
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rc = rs->sr_err;
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}
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}
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ldap_msgfree( res );
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}
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}
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if ( rc != LDAP_SUCCESS ) {
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rs->sr_err = slap_map_api2result( rs );
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if ( rs->sr_err == LDAP_UNAVAILABLE && do_retry ) {
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do_retry = 0;
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if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
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goto retry;
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}
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}
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if ( LDAP_BACK_QUARANTINE( li ) ) {
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ldap_back_quarantine( op, rs );
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}
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if ( text ) rs->sr_text = text;
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send_ldap_extended( op, rs );
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/* otherwise frontend resends result */
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rc = rs->sr_err = SLAPD_ABANDON;
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} else if ( LDAP_BACK_QUARANTINE( li ) ) {
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ldap_back_quarantine( op, rs );
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}
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/* these have to be freed anyway... */
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if ( rs->sr_matched ) {
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free( (char *)rs->sr_matched );
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rs->sr_matched = NULL;
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}
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if ( text ) {
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free( text );
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rs->sr_text = NULL;
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}
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if ( lc != NULL ) {
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ldap_back_release_conn( li, lc );
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}
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return rc;
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}
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static int
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ldap_back_exop_generic(
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Operation *op,
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SlapReply *rs )
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{
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ldapinfo_t *li = (ldapinfo_t *) op->o_bd->be_private;
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ldapconn_t *lc = NULL;
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LDAPMessage *res;
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ber_int_t msgid;
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int rc;
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int do_retry = 1;
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char *text = NULL;
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if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
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return -1;
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}
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Debug( LDAP_DEBUG_ARGS, "==> ldap_back_exop_generic(%s, \"%s\")\n",
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op->ore_reqoid.bv_val, op->o_req_dn.bv_val, 0 );
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retry:
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rc = ldap_extended_operation( lc->lc_ld,
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op->ore_reqoid.bv_val, op->ore_reqdata,
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op->o_ctrls, NULL, &msgid );
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if ( rc == LDAP_SUCCESS ) {
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if ( ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, NULL, &res ) == -1 ) {
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ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER, &rc );
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rs->sr_err = rc;
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} else {
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/* only touch when activity actually took place... */
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if ( li->li_idle_timeout && lc ) {
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lc->lc_time = op->o_time;
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}
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/* sigh. parse twice, because parse_passwd
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* doesn't give us the err / match / msg info.
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*/
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rc = ldap_parse_result( lc->lc_ld, res, &rs->sr_err,
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(char **)&rs->sr_matched,
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&text,
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NULL, NULL, 0 );
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if ( rc == LDAP_SUCCESS ) {
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if ( rs->sr_err == LDAP_SUCCESS ) {
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rc = ldap_parse_extended_result( lc->lc_ld, res,
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(char **)&rs->sr_rspoid, &rs->sr_rspdata, 0 );
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if ( rc == LDAP_SUCCESS ) {
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rs->sr_type = REP_EXTENDED;
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}
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} else {
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rc = rs->sr_err;
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}
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}
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ldap_msgfree( res );
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}
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}
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if ( rc != LDAP_SUCCESS ) {
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rs->sr_err = slap_map_api2result( rs );
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if ( rs->sr_err == LDAP_UNAVAILABLE && do_retry ) {
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do_retry = 0;
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if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
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goto retry;
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}
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}
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if ( LDAP_BACK_QUARANTINE( li ) ) {
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ldap_back_quarantine( op, rs );
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}
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if ( text ) rs->sr_text = text;
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send_ldap_extended( op, rs );
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/* otherwise frontend resends result */
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rc = rs->sr_err = SLAPD_ABANDON;
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} else if ( LDAP_BACK_QUARANTINE( li ) ) {
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ldap_back_quarantine( op, rs );
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}
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/* these have to be freed anyway... */
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if ( rs->sr_matched ) {
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free( (char *)rs->sr_matched );
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rs->sr_matched = NULL;
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}
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if ( text ) {
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free( text );
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rs->sr_text = NULL;
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}
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if ( lc != NULL ) {
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ldap_back_release_conn( li, lc );
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}
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return rc;
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}
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