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https://git.openldap.org/openldap/openldap.git
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6feec86e5d
- improve automatic massaging (prettify once) - add (optimistic) automatic filter massaging - cleanup of massaging stuff
595 lines
16 KiB
C
595 lines
16 KiB
C
/*
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* Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*
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* Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
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*
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* This work has been developed to fulfill the requirements
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* of SysNet s.n.c. <http:www.sys-net.it> and it has been donated
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* to the OpenLDAP Foundation in the hope that it may be useful
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* to the Open Source community, but WITHOUT ANY WARRANTY.
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*
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* Permission is granted to anyone to use this software for any purpose
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* on any computer system, and to alter it and redistribute it, subject
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* to the following restrictions:
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*
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* 1. The author and SysNet s.n.c. are not responsible for the consequences
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* of use of this software, no matter how awful, even if they arise from
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* flaws in it.
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*
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* 2. The origin of this software must not be misrepresented, either by
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* explicit claim or by omission. Since few users ever read sources,
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* credits should appear in the documentation.
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*
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* 3. Altered versions must be plainly marked as such, and must not be
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* misrepresented as being the original software. Since few users
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* ever read sources, credits should appear in the documentation.
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* SysNet s.n.c. cannot be responsible for the consequences of the
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* alterations.
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*
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* 4. This notice may not be removed or altered.
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*
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*
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* This software is based on the backend back-ldap, implemented
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* by Howard Chu <hyc@highlandsun.com>, and modified by Mark Valence
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* <kurash@sassafras.com>, Pierangelo Masarati <ando@sys-net.it> and other
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* contributors. The contribution of the original software to the present
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* implementation is acknowledged in this copyright statement.
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*
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* A special acknowledgement goes to Howard for the overall architecture
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* (and for borrowing large pieces of code), and to Mark, who implemented
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* from scratch the attribute/objectclass mapping.
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*
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* The original copyright statement follows.
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*
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* Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
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*
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* Permission is granted to anyone to use this software for any purpose
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* on any computer system, and to alter it and redistribute it, subject
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* to the following restrictions:
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*
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* 1. The author is not responsible for the consequences of use of this
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* software, no matter how awful, even if they arise from flaws in it.
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*
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* 2. The origin of this software must not be misrepresented, either by
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* explicit claim or by omission. Since few users ever read sources,
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* credits should appear in the documentation.
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*
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* 3. Altered versions must be plainly marked as such, and must not be
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* misrepresented as being the original software. Since few users
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* ever read sources, credits should appear in the
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* documentation.
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*
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* 4. This notice may not be removed or altered.
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*
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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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#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->rwinfo = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
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if ( lt->rwinfo == 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( <->at_map, &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;
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char *last;
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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_parse( argv[ 1 ], &ludp ) != 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 );
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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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li->targets[ i ]->uri = ch_strdup( argv[ 1 ] );
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last = strstr( li->targets[ i ]->uri, ludp->lud_dn );
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assert( last != NULL );
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last[ 0 ] = '\0';
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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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ldap_free_urldesc( ludp );
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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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/* 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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}
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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 ( dnNormalize2( NULL, &dn, &li->targets[ i ]->binddn ) != LDAP_SUCCESS ) {
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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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}
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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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/* 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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}
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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 ( dnNormalize2( NULL, &dn, &li->targets[ i ]->pseudorootdn ) != LDAP_SUCCESS ) {
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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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}
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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 ) != 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 ) != 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 ]->rwinfo,
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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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fprintf( stderr,
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"%s: line %d: need \"uri\" directive first\n",
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fname, lineno );
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}
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return rewrite_parse( li->targets[ i ]->rwinfo, 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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struct ldapmap *map;
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struct ldapmapping *mapping;
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char *src, *dst;
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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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}
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if ( argc < 3 || argc > 4 ) {
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fprintf( stderr,
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"%s: line %d: syntax is \"map {objectclass | attribute} {<source> | *} [<dest> | *]\"\n",
|
|
fname, lineno );
|
|
return 1;
|
|
}
|
|
|
|
if ( strcasecmp( argv[ 1 ], "objectClass" ) == 0 ) {
|
|
map = &li->targets[ i ]->oc_map;
|
|
} else if ( strcasecmp( argv[ 1 ], "attribute" ) == 0 ) {
|
|
map = &li->targets[ i ]->at_map;
|
|
} else {
|
|
fprintf( stderr,
|
|
"%s: line %d: syntax is \"map {objectclass | attribute} {<source> | *} [<dest> | *]\"\n",
|
|
fname, lineno );
|
|
return 1;
|
|
}
|
|
|
|
if ( strcasecmp( argv[ 2 ], "*" ) != 0 ) {
|
|
src = argv[ 2 ];
|
|
if ( argc < 4 ) {
|
|
dst = "";
|
|
} else if ( strcasecmp( argv[ 3 ], "*" ) == 0 ) {
|
|
dst = src;
|
|
} else {
|
|
dst = argv[ 3 ];
|
|
}
|
|
} else {
|
|
if ( argc < 4 ) {
|
|
map->drop_missing = 1;
|
|
return 0;
|
|
}
|
|
if ( strcasecmp( argv[ 3 ], "*" ) == 0 ) {
|
|
map->drop_missing = 0;
|
|
return 0;
|
|
}
|
|
|
|
src = argv[ 3 ];
|
|
dst = src;
|
|
}
|
|
|
|
if ( ( map == &li->targets[ i ]->at_map )
|
|
&& ( strcasecmp( src, "objectclass" ) == 0
|
|
|| strcasecmp( dst, "objectclass" ) == 0 ) ) {
|
|
fprintf( stderr,
|
|
"%s: line %d: objectclass attribute cannot be mapped\n",
|
|
fname, lineno );
|
|
}
|
|
|
|
mapping = ch_calloc( 2, sizeof( struct ldapmapping ) );
|
|
if ( mapping == NULL ) {
|
|
fprintf( stderr,
|
|
"%s: line %d: out of memory\n",
|
|
fname, lineno );
|
|
return 1;
|
|
}
|
|
ber_str2bv( src, 0, 1, &mapping->src );
|
|
ber_str2bv( dst, 0, 1, &mapping->dst );
|
|
if ( *dst != 0 ) {
|
|
mapping[ 1 ].src = mapping->dst;
|
|
mapping[ 1 ].dst = mapping->src;
|
|
} else {
|
|
mapping[ 1 ].src = mapping->src;
|
|
mapping[ 1 ].dst = mapping->dst;
|
|
}
|
|
|
|
if ( avl_find( map->map, ( caddr_t )mapping,
|
|
mapping_cmp ) != NULL
|
|
|| avl_find( map->remap, ( caddr_t )&mapping[ 1 ],
|
|
mapping_cmp ) != NULL) {
|
|
fprintf( stderr,
|
|
"%s: line %d: duplicate mapping found (ignored)\n",
|
|
fname, lineno );
|
|
return 0;
|
|
}
|
|
|
|
avl_insert( &map->map, ( caddr_t )mapping,
|
|
mapping_cmp, mapping_dup );
|
|
avl_insert( &map->remap, ( caddr_t )&mapping[ 1 ],
|
|
mapping_cmp, mapping_dup );
|
|
|
|
/* anything else */
|
|
} else {
|
|
fprintf( stderr,
|
|
"%s: line %d: unknown directive \"%s\" in meta database definition"
|
|
" (ignored)\n",
|
|
fname, lineno, argv[0] );
|
|
}
|
|
return 0;
|
|
}
|
|
|