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https://git.openldap.org/openldap/openldap.git
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129 lines
3.0 KiB
C
129 lines
3.0 KiB
C
/* referral.c - LDBM backend referral handler */
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/* $OpenLDAP$ */
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/*
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* Copyright 2000-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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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 <ac/socket.h>
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#include "slap.h"
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#include "back-ldbm.h"
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int
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ldbm_back_referrals(
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Backend *be,
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Connection *conn,
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Operation *op,
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struct berval *dn,
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struct berval *ndn,
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const char **text )
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{
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struct ldbminfo *li = (struct ldbminfo *) be->be_private;
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int rc = LDAP_SUCCESS;
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Entry *e, *matched;
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if( op->o_tag == LDAP_REQ_SEARCH ) {
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/* let search take care of itself */
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return rc;
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}
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if( get_manageDSAit( op ) ) {
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/* let op take care of DSA management */
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return rc;
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}
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/* grab giant lock for reading */
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ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);
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/* get entry with reader lock */
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e = dn2entry_r( be, ndn, &matched );
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if ( e == NULL ) {
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char *matched_dn = NULL;
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BerVarray refs = NULL;
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if ( matched != NULL ) {
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matched_dn = ch_strdup( matched->e_dn );
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#ifdef NEW_LOGGING
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LDAP_LOG( BACK_LDBM, DETAIL1,
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"ldbm_back_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
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op->o_tag, dn->bv_val, matched_dn );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
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op->o_tag, dn->bv_val, matched_dn );
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#endif
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if( is_entry_referral( matched ) ) {
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rc = LDAP_OTHER;
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refs = get_entry_referrals( be, conn, op, matched );
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}
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cache_return_entry_r( &li->li_cache, matched );
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} else if ( default_referral != NULL ) {
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rc = LDAP_OTHER;
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refs = referral_rewrite( default_referral,
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NULL, dn, LDAP_SCOPE_DEFAULT );
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}
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ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
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if( refs != NULL ) {
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/* send referrals */
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send_ldap_result( conn, op, rc = LDAP_REFERRAL,
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matched_dn, NULL, refs, NULL );
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ber_bvarray_free( refs );
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} else if ( rc != LDAP_SUCCESS ) {
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send_ldap_result( conn, op, rc, matched_dn,
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matched_dn ? "bad referral object" : "bad default referral",
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NULL, NULL );
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}
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if ( matched_dn ) free( matched_dn );
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return rc;
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}
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if ( is_entry_referral( e ) ) {
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/* entry is a referral */
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BerVarray refs = get_entry_referrals( be, conn, op, e );
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BerVarray rrefs = referral_rewrite(
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refs, &e->e_name, dn, LDAP_SCOPE_DEFAULT );
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#ifdef NEW_LOGGING
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LDAP_LOG( BACK_LDBM, DETAIL1,
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"ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
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op->o_tag, dn->bv_val, e->e_dn );
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#else
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Debug( LDAP_DEBUG_TRACE,
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"ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
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op->o_tag, dn->bv_val, e->e_dn );
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#endif
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if( rrefs != NULL ) {
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send_ldap_result( conn, op, rc = LDAP_REFERRAL,
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e->e_dn, NULL, rrefs, NULL );
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ber_bvarray_free( rrefs );
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} else {
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send_ldap_result( conn, op, rc = LDAP_OTHER, e->e_dn,
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"bad referral object", NULL, NULL );
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}
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if( refs != NULL ) ber_bvarray_free( refs );
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}
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cache_return_entry_r( &li->li_cache, e );
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ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
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return rc;
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}
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