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512 lines
13 KiB
C
512 lines
13 KiB
C
/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1999-2003 The OpenLDAP Foundation.
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* Portions Copyright 2001-2003 Pierangelo Masarati.
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* Portions Copyright 1999-2003 Howard Chu.
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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 <ac/socket.h>
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#include "slap.h"
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#include "../back-ldap/back-ldap.h"
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#undef ldap_debug /* silence a warning in ldap-int.h */
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#include "../../../libraries/libldap/ldap-int.h"
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#include "back-meta.h"
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static struct metatarget *
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new_target( void )
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{
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struct metatarget *lt;
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struct ldapmapping *mapping;
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lt = ch_calloc( sizeof( struct metatarget ), 1 );
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if ( lt == NULL ) {
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return NULL;
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}
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lt->rwmap.rwm_rw = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
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if ( lt->rwmap.rwm_rw == NULL ) {
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free( lt );
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return NULL;
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}
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ldap_back_map_init( <->rwmap.rwm_at, &mapping );
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return lt;
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}
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int
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meta_back_db_config(
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BackendDB *be,
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const char *fname,
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int lineno,
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int argc,
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char **argv
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)
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{
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struct metainfo *li = ( struct metainfo * )be->be_private;
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if ( li == NULL ) {
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fprintf( stderr,
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"%s: line %d: meta backend info is null!\n",
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fname, lineno );
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return 1;
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}
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/* URI of server to query */
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if ( strcasecmp( argv[ 0 ], "uri" ) == 0 ) {
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int i = li->ntargets;
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#if 0
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int j;
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#endif /* uncomment if uri MUST be a branch of suffix */
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LDAPURLDesc *ludp, *tmpludp;
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struct berval dn;
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int rc;
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if ( argc != 2 ) {
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fprintf( stderr,
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"%s: line %d: missing address"
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" in \"uri <protocol>://<server>[:port]/<naming context>\" line\n",
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fname, lineno );
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return 1;
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}
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++li->ntargets;
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li->targets = ch_realloc( li->targets,
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sizeof( struct metatarget *)*li->ntargets );
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if ( li->targets == NULL ) {
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fprintf( stderr,
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"%s: line %d: out of memory while storing server name"
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" in \"uri <protocol>://<server>[:port]/<naming context>\" line\n",
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fname, lineno );
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return 1;
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}
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if ( ( li->targets[ i ] = new_target() ) == NULL ) {
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fprintf( stderr,
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"%s: line %d: unable to init server"
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" in \"uri <protocol>://<server>[:port]/<naming context>\" line\n",
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fname, lineno );
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return 1;
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}
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/*
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* uri MUST be legal!
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*/
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if ( ldap_url_parselist_ext( &ludp, argv[ 1 ], "\t" ) != LDAP_SUCCESS ) {
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fprintf( stderr,
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"%s: line %d: unable to parse URI"
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" in \"uri <protocol>://<server>[:port]/<naming context>\" line\n",
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fname, lineno );
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return 1;
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}
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/*
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* uri MUST have the <dn> part!
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*/
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if ( ludp->lud_dn == NULL || ludp->lud_dn[ 0 ] == '\0' ) {
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fprintf( stderr,
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"%s: line %d: missing <naming context> "
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" in \"uri <protocol>://<server>[:port]/<naming context>\" line\n",
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fname, lineno );
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return 1;
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}
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/*
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* copies and stores uri and suffix
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*/
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dn.bv_val = ludp->lud_dn;
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dn.bv_len = strlen( ludp->lud_dn );
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rc = dnPrettyNormal( NULL, &dn, &li->targets[ i ]->psuffix,
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&li->targets[ i ]->suffix, NULL );
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if( rc != LDAP_SUCCESS ) {
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fprintf( stderr, "%s: line %d: "
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"target '%s' DN is invalid\n",
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fname, lineno, argv[ 1 ] );
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return( 1 );
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}
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ludp->lud_dn[ 0 ] = '\0';
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for ( tmpludp = ludp->lud_next; tmpludp; tmpludp = tmpludp->lud_next ) {
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if ( tmpludp->lud_dn != NULL && tmpludp->lud_dn[ 0 ] != '\0' ) {
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fprintf( stderr, "%s: line %d: "
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"multiple URIs must have "
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"no DN part\n",
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fname, lineno );
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return( 1 );
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}
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}
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li->targets[ i ]->uri = ldap_url_list2urls( ludp );
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ldap_free_urllist( ludp );
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if ( li->targets[ i ]->uri == NULL) {
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fprintf( stderr, "%s: line %d: no memory?\n",
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fname, lineno );
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return( 1 );
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}
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/*
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* uri MUST be a branch of suffix!
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*/
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#if 0 /* too strict a constraint */
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if ( select_backend( &li->targets[ i ]->suffix, 0, 0 ) != be ) {
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fprintf( stderr,
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"%s: line %d: <naming context> of URI does not refer to current backend"
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" in \"uri <protocol>://<server>[:port]/<naming context>\" line\n",
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fname, lineno );
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return 1;
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}
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#else
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/*
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* uri MUST be a branch of a suffix!
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*/
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if ( select_backend( &li->targets[ i ]->suffix, 0, 0 ) == NULL ) {
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fprintf( stderr,
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"%s: line %d: <naming context> of URI does not resolve to a backend"
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" in \"uri <protocol>://<server>[:port]/<naming context>\" line\n",
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fname, lineno );
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return 1;
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}
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#endif
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#if 0
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/*
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* uri MUST not be used by other URIs!
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*
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* FIXME: this limitation may be removed,
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* or worked out, at least, in some manner
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*/
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for ( j = 0; j < i-1; j++ ) {
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if ( dn_match( &li->targets[ i ]->suffix,
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&li->targets[ j ]->suffix ) ) {
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fprintf( stderr,
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"%s: line %d: naming context \"%s\" already used"
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" in \"uri <protocol>://<server>[:port]/<naming context>\" line\n",
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fname, lineno, last+1 );
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return 1;
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}
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}
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#endif
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#if 0
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fprintf(stderr, "%s: line %d: URI \"%s\", suffix \"%s\"\n",
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fname, lineno, li->targets[ i ]->uri,
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li->targets[ i ]->psuffix.bv_val );
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#endif
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/* default target directive */
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} else if ( strcasecmp( argv[ 0 ], "default-target" ) == 0 ) {
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int i = li->ntargets-1;
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if ( argc == 1 ) {
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if ( i < 0 ) {
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fprintf( stderr,
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"%s: line %d: \"default-target\" alone need be"
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" inside a \"uri\" directive\n",
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fname, lineno );
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return 1;
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}
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li->defaulttarget = i;
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} else {
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if ( strcasecmp( argv[ 1 ], "none" ) == 0 ) {
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if ( i >= 0 ) {
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fprintf( stderr,
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"%s: line %d: \"default-target none\""
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" should go before uri definitions\n",
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fname, lineno );
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}
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li->defaulttarget = META_DEFAULT_TARGET_NONE;
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} else {
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int n = atoi( argv[ 1 ] );
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if ( n < 1 || n >= i ) {
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fprintf( stderr,
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"%s: line %d: illegal target number %d\n",
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fname, lineno, n );
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return 1;
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}
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li->defaulttarget = n-1;
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}
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}
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/* ttl of dn cache */
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} else if ( strcasecmp( argv[ 0 ], "dncache-ttl" ) == 0 ) {
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if ( argc != 2 ) {
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fprintf( stderr,
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"%s: line %d: missing ttl in \"dncache-ttl <ttl>\" line\n",
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fname, lineno );
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return 1;
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}
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if ( strcasecmp( argv[ 1 ], "forever" ) == 0 ) {
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li->cache.ttl = META_DNCACHE_FOREVER;
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} else if ( strcasecmp( argv[ 1 ], "disabled" ) == 0 ) {
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li->cache.ttl = META_DNCACHE_DISABLED;
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} else {
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li->cache.ttl = atol( argv[ 1 ] );
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}
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/* network timeout when connecting to ldap servers */
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} else if ( strcasecmp( argv[ 0 ], "network-timeout" ) == 0 ) {
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if ( argc != 2 ) {
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fprintf( stderr,
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"%s: line %d: missing network timeout in \"network-timeout <seconds>\" line\n",
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fname, lineno );
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return 1;
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}
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li->network_timeout = atol(argv[ 1 ]);
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/* name to use for meta_back_group */
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} else if ( strcasecmp( argv[ 0 ], "binddn" ) == 0 ) {
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int i = li->ntargets-1;
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struct berval dn;
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if ( i < 0 ) {
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fprintf( stderr,
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"%s: line %d: need \"uri\" directive first\n",
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fname, lineno );
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return 1;
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}
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if ( argc != 2 ) {
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fprintf( stderr,
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"%s: line %d: missing name in \"binddn <name>\" line\n",
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fname, lineno );
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return 1;
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}
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dn.bv_val = argv[ 1 ];
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dn.bv_len = strlen( argv[ 1 ] );
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if ( dnNormalize( 0, NULL, NULL, &dn, &li->targets[ i ]->binddn,
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NULL ) != LDAP_SUCCESS )
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{
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fprintf( stderr, "%s: line %d: "
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"bind DN '%s' is invalid\n",
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fname, lineno, argv[ 1 ] );
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return( 1 );
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}
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/* password to use for meta_back_group */
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} else if ( strcasecmp( argv[ 0 ], "bindpw" ) == 0 ) {
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int i = li->ntargets-1;
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if ( i < 0 ) {
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fprintf( stderr,
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"%s: line %d: need \"uri\" directive first\n",
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fname, lineno );
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return 1;
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}
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if ( argc != 2 ) {
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fprintf( stderr,
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"%s: line %d: missing password in \"bindpw <password>\" line\n",
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fname, lineno );
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return 1;
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}
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ber_str2bv( argv[ 1 ], 0L, 1, &li->targets[ i ]->bindpw );
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/* save bind creds for referral rebinds? */
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} else if ( strcasecmp( argv[0], "rebind-as-user" ) == 0 ) {
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if (argc != 1) {
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fprintf( stderr,
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"%s: line %d: rebind-as-user takes no arguments\n",
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fname, lineno );
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return( 1 );
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}
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li->savecred = 1;
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/* name to use as pseudo-root dn */
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} else if ( strcasecmp( argv[ 0 ], "pseudorootdn" ) == 0 ) {
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int i = li->ntargets-1;
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struct berval dn;
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if ( i < 0 ) {
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fprintf( stderr,
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"%s: line %d: need \"uri\" directive first\n",
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fname, lineno );
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return 1;
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}
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if ( argc != 2 ) {
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fprintf( stderr,
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"%s: line %d: missing name in \"pseudorootdn <name>\" line\n",
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fname, lineno );
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return 1;
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}
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dn.bv_val = argv[ 1 ];
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dn.bv_len = strlen( argv[ 1 ] );
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if ( dnNormalize( 0, NULL, NULL, &dn,
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&li->targets[ i ]->pseudorootdn, NULL ) != LDAP_SUCCESS )
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{
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fprintf( stderr, "%s: line %d: "
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"pseudoroot DN '%s' is invalid\n",
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fname, lineno, argv[ 1 ] );
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return( 1 );
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}
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/* password to use as pseudo-root */
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} else if ( strcasecmp( argv[ 0 ], "pseudorootpw" ) == 0 ) {
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int i = li->ntargets-1;
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if ( i < 0 ) {
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fprintf( stderr,
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"%s: line %d: need \"uri\" directive first\n",
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fname, lineno );
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return 1;
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}
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if ( argc != 2 ) {
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fprintf( stderr,
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"%s: line %d: missing password in \"pseudorootpw <password>\" line\n",
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fname, lineno );
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return 1;
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}
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ber_str2bv( argv[ 1 ], 0L, 1, &li->targets[ i ]->pseudorootpw );
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/* dn massaging */
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} else if ( strcasecmp( argv[ 0 ], "suffixmassage" ) == 0 ) {
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BackendDB *tmp_be;
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int i = li->ntargets-1;
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struct berval dn, nvnc, pvnc, nrnc, prnc;
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if ( i < 0 ) {
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fprintf( stderr,
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"%s: line %d: need \"uri\" directive first\n",
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fname, lineno );
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return 1;
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}
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/*
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* syntax:
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*
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* suffixmassage <suffix> <massaged suffix>
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*
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* the <suffix> field must be defined as a valid suffix
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* (or suffixAlias?) for the current database;
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* the <massaged suffix> shouldn't have already been
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* defined as a valid suffix or suffixAlias for the
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* current server
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*/
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if ( argc != 3 ) {
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fprintf( stderr,
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"%s: line %d: syntax is \"suffixMassage <suffix> <massaged suffix>\"\n",
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fname, lineno );
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return 1;
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}
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dn.bv_val = argv[ 1 ];
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dn.bv_len = strlen( argv[ 1 ] );
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if ( dnPrettyNormal( NULL, &dn, &pvnc, &nvnc, NULL ) != LDAP_SUCCESS ) {
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fprintf( stderr, "%s: line %d: "
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"suffix '%s' is invalid\n",
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fname, lineno, argv[ 1 ] );
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return 1;
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}
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tmp_be = select_backend( &nvnc, 0, 0 );
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if ( tmp_be != NULL && tmp_be != be ) {
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fprintf( stderr,
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"%s: line %d: suffix already in use by another backend in"
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" \"suffixMassage <suffix> <massaged suffix>\"\n",
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fname, lineno );
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free( pvnc.bv_val );
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free( nvnc.bv_val );
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return 1;
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}
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dn.bv_val = argv[ 2 ];
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dn.bv_len = strlen( argv[ 2 ] );
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if ( dnPrettyNormal( NULL, &dn, &prnc, &nrnc, NULL ) != LDAP_SUCCESS ) {
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fprintf( stderr, "%s: line %d: "
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"massaged suffix '%s' is invalid\n",
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fname, lineno, argv[ 2 ] );
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free( pvnc.bv_val );
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free( nvnc.bv_val );
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return 1;
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}
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#if 0
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tmp_be = select_backend( &nrnc, 0, 0 );
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if ( tmp_be != NULL ) {
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fprintf( stderr,
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"%s: line %d: massaged suffix already in use by another backend in"
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" \"suffixMassage <suffix> <massaged suffix>\"\n",
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fname, lineno );
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free( pvnc.bv_val );
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free( nvnc.bv_val );
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free( prnc.bv_val );
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free( nrnc.bv_val );
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return 1;
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}
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#endif
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/*
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* The suffix massaging is emulated by means of the
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* rewrite capabilities
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* FIXME: no extra rewrite capabilities should be added
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* to the database
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*/
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return suffix_massage_config( li->targets[ i ]->rwmap.rwm_rw,
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&pvnc, &nvnc, &prnc, &nrnc );
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/* rewrite stuff ... */
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} else if ( strncasecmp( argv[ 0 ], "rewrite", 7 ) == 0 ) {
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int i = li->ntargets-1;
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if ( i < 0 ) {
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if ( strcasecmp( argv[0], "rewriteEngine" ) == 0 ) {
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li->rwinfo = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
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}
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return rewrite_parse(li->rwinfo, fname, lineno,
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argc, argv);
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}
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return rewrite_parse( li->targets[ i ]->rwmap.rwm_rw, fname, lineno,
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argc, argv );
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/* objectclass/attribute mapping */
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} else if ( strcasecmp( argv[ 0 ], "map" ) == 0 ) {
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int i = li->ntargets-1;
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if ( i < 0 ) {
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fprintf( stderr,
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"%s: line %d: need \"uri\" directive first\n",
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fname, lineno );
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return 1;
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}
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return ldap_back_map_config( &li->targets[ i ]->rwmap.rwm_oc,
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&li->targets[ i ]->rwmap.rwm_at,
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fname, lineno, argc, argv );
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/* anything else */
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} else {
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return SLAP_CONF_UNKNOWN;
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}
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return 0;
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}
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