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502 lines
10 KiB
C
502 lines
10 KiB
C
/* cr.c - content rule 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 1998-2011 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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#include "portable.h"
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#include <stdio.h>
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#include <ac/ctype.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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struct cindexrec {
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struct berval cir_name;
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ContentRule *cir_cr;
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};
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static Avlnode *cr_index = NULL;
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static LDAP_STAILQ_HEAD(CRList, ContentRule) cr_list
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= LDAP_STAILQ_HEAD_INITIALIZER(cr_list);
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static int
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cr_index_cmp(
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const void *v_cir1,
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const void *v_cir2 )
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{
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const struct cindexrec *cir1 = v_cir1;
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const struct cindexrec *cir2 = v_cir2;
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int i = cir1->cir_name.bv_len - cir2->cir_name.bv_len;
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if (i) return i;
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return strcasecmp( cir1->cir_name.bv_val, cir2->cir_name.bv_val );
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}
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static int
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cr_index_name_cmp(
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const void *v_name,
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const void *v_cir )
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{
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const struct berval *name = v_name;
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const struct cindexrec *cir = v_cir;
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int i = name->bv_len - cir->cir_name.bv_len;
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if (i) return i;
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return strncasecmp( name->bv_val, cir->cir_name.bv_val, name->bv_len );
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}
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ContentRule *
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cr_find( const char *crname )
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{
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struct berval bv;
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bv.bv_val = (char *)crname;
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bv.bv_len = strlen( crname );
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return( cr_bvfind( &bv ) );
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}
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ContentRule *
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cr_bvfind( struct berval *crname )
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{
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struct cindexrec *cir;
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cir = avl_find( cr_index, crname, cr_index_name_cmp );
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if ( cir != NULL ) {
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return( cir->cir_cr );
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}
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return( NULL );
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}
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static int
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cr_destroy_one( ContentRule *c )
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{
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assert( c != NULL );
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if (c->scr_auxiliaries) ldap_memfree(c->scr_auxiliaries);
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if (c->scr_required) ldap_memfree(c->scr_required);
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if (c->scr_allowed) ldap_memfree(c->scr_allowed);
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if (c->scr_precluded) ldap_memfree(c->scr_precluded);
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ldap_contentrule_free((LDAPContentRule *)c);
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return 0;
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}
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void
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cr_destroy( void )
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{
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ContentRule *c;
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avl_free(cr_index, ldap_memfree);
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while( !LDAP_STAILQ_EMPTY(&cr_list) ) {
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c = LDAP_STAILQ_FIRST(&cr_list);
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LDAP_STAILQ_REMOVE_HEAD(&cr_list, scr_next);
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cr_destroy_one( c );
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}
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}
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static int
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cr_insert(
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ContentRule *scr,
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const char **err
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)
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{
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struct cindexrec *cir;
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char **names;
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assert( scr != NULL );
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if ( scr->scr_oid ) {
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cir = (struct cindexrec *)
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ch_calloc( 1, sizeof(struct cindexrec) );
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cir->cir_name.bv_val = scr->scr_oid;
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cir->cir_name.bv_len = strlen( scr->scr_oid );
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cir->cir_cr = scr;
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if ( avl_insert( &cr_index, (caddr_t) cir,
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cr_index_cmp, avl_dup_error ) )
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{
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*err = scr->scr_oid;
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ldap_memfree(cir);
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return SLAP_SCHERR_CR_DUP;
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}
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/* FIX: temporal consistency check */
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assert( cr_bvfind(&cir->cir_name) != NULL );
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}
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if ( (names = scr->scr_names) ) {
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while ( *names ) {
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cir = (struct cindexrec *)
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ch_calloc( 1, sizeof(struct cindexrec) );
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cir->cir_name.bv_val = *names;
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cir->cir_name.bv_len = strlen( *names );
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cir->cir_cr = scr;
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if ( avl_insert( &cr_index, (caddr_t) cir,
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cr_index_cmp, avl_dup_error ) )
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{
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*err = *names;
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ldap_memfree(cir);
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return SLAP_SCHERR_CR_DUP;
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}
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/* FIX: temporal consistency check */
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assert( cr_bvfind(&cir->cir_name) != NULL );
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names++;
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}
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}
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LDAP_STAILQ_INSERT_TAIL(&cr_list, scr, scr_next);
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return 0;
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}
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static int
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cr_add_auxiliaries(
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ContentRule *scr,
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int *op,
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const char **err )
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{
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int naux;
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if( scr->scr_oc_oids_aux == NULL ) return 0;
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for( naux=0; scr->scr_oc_oids_aux[naux]; naux++ ) {
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/* count them */ ;
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}
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scr->scr_auxiliaries = ch_calloc( naux+1, sizeof(ObjectClass *));
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for( naux=0; scr->scr_oc_oids_aux[naux]; naux++ ) {
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ObjectClass *soc = scr->scr_auxiliaries[naux]
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= oc_find(scr->scr_oc_oids_aux[naux]);
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if ( !soc ) {
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*err = scr->scr_oc_oids_aux[naux];
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return SLAP_SCHERR_CLASS_NOT_FOUND;
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}
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if( soc->soc_flags & SLAP_OC_OPERATIONAL &&
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soc != slap_schema.si_oc_extensibleObject )
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{
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(*op)++;
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}
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if( soc->soc_kind != LDAP_SCHEMA_AUXILIARY ) {
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*err = scr->scr_oc_oids_aux[naux];
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return SLAP_SCHERR_CR_BAD_AUX;
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}
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}
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scr->scr_auxiliaries[naux] = NULL;
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return 0;
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}
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static int
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cr_create_required(
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ContentRule *scr,
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int *op,
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const char **err )
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{
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char **attrs = scr->scr_at_oids_must;
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char **attrs1;
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AttributeType *sat;
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if ( attrs ) {
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attrs1 = attrs;
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while ( *attrs1 ) {
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sat = at_find(*attrs1);
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if ( !sat ) {
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*err = *attrs1;
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return SLAP_SCHERR_ATTR_NOT_FOUND;
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}
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if( is_at_operational( sat )) (*op)++;
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if ( at_find_in_list(sat, scr->scr_required) < 0) {
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if ( at_append_to_list(sat, &scr->scr_required) ) {
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*err = *attrs1;
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return SLAP_SCHERR_OUTOFMEM;
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}
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} else {
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*err = *attrs1;
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return SLAP_SCHERR_CR_BAD_AT;
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}
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attrs1++;
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}
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}
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return 0;
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}
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static int
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cr_create_allowed(
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ContentRule *scr,
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int *op,
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const char **err )
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{
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char **attrs = scr->scr_at_oids_may;
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char **attrs1;
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AttributeType *sat;
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if ( attrs ) {
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attrs1 = attrs;
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while ( *attrs1 ) {
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sat = at_find(*attrs1);
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if ( !sat ) {
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*err = *attrs1;
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return SLAP_SCHERR_ATTR_NOT_FOUND;
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}
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if( is_at_operational( sat )) (*op)++;
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if ( at_find_in_list(sat, scr->scr_required) < 0 &&
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at_find_in_list(sat, scr->scr_allowed) < 0 )
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{
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if ( at_append_to_list(sat, &scr->scr_allowed) ) {
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*err = *attrs1;
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return SLAP_SCHERR_OUTOFMEM;
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}
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} else {
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*err = *attrs1;
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return SLAP_SCHERR_CR_BAD_AT;
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}
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attrs1++;
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}
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}
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return 0;
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}
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static int
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cr_create_precluded(
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ContentRule *scr,
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int *op,
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const char **err )
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{
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char **attrs = scr->scr_at_oids_not;
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char **attrs1;
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AttributeType *sat;
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if ( attrs ) {
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attrs1 = attrs;
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while ( *attrs1 ) {
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sat = at_find(*attrs1);
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if ( !sat ) {
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*err = *attrs1;
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return SLAP_SCHERR_ATTR_NOT_FOUND;
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}
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if( is_at_operational( sat )) (*op)++;
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/* FIXME: should also make sure attribute type is not
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a required attribute of the structural class or
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any auxiliary class */
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if ( at_find_in_list(sat, scr->scr_required) < 0 &&
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at_find_in_list(sat, scr->scr_allowed) < 0 &&
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at_find_in_list(sat, scr->scr_precluded) < 0 )
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{
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if ( at_append_to_list(sat, &scr->scr_precluded) ) {
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*err = *attrs1;
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return SLAP_SCHERR_OUTOFMEM;
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}
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} else {
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*err = *attrs1;
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return SLAP_SCHERR_CR_BAD_AT;
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}
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attrs1++;
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}
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}
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return 0;
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}
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int
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cr_add(
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LDAPContentRule *cr,
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int user,
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ContentRule **rscr,
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const char **err
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)
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{
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ContentRule *scr;
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int code;
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int op = 0;
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char *oidm = NULL;
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if ( cr->cr_names != NULL ) {
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int i;
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for( i=0; cr->cr_names[i]; i++ ) {
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if( !slap_valid_descr( cr->cr_names[i] ) ) {
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return SLAP_SCHERR_BAD_DESCR;
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}
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}
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}
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if ( !OID_LEADCHAR( cr->cr_oid[0] )) {
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/* Expand OID macros */
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char *oid = oidm_find( cr->cr_oid );
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if ( !oid ) {
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*err = cr->cr_oid;
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return SLAP_SCHERR_OIDM;
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}
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if ( oid != cr->cr_oid ) {
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oidm = cr->cr_oid;
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cr->cr_oid = oid;
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}
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}
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scr = (ContentRule *) ch_calloc( 1, sizeof(ContentRule) );
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AC_MEMCPY( &scr->scr_crule, cr, sizeof(LDAPContentRule) );
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scr->scr_oidmacro = oidm;
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scr->scr_sclass = oc_find(cr->cr_oid);
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if ( !scr->scr_sclass ) {
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*err = cr->cr_oid;
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code = SLAP_SCHERR_CLASS_NOT_FOUND;
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goto fail;
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}
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/* check object class usage */
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if( scr->scr_sclass->soc_kind != LDAP_SCHEMA_STRUCTURAL )
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{
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*err = cr->cr_oid;
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code = SLAP_SCHERR_CR_BAD_STRUCT;
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goto fail;
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}
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if( scr->scr_sclass->soc_flags & SLAP_OC_OPERATIONAL ) op++;
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code = cr_add_auxiliaries( scr, &op, err );
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if ( code != 0 ) goto fail;
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code = cr_create_required( scr, &op, err );
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if ( code != 0 ) goto fail;
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code = cr_create_allowed( scr, &op, err );
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if ( code != 0 ) goto fail;
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code = cr_create_precluded( scr, &op, err );
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if ( code != 0 ) goto fail;
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if( user && op ) {
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code = SLAP_SCHERR_CR_BAD_AUX;
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goto fail;
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}
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code = cr_insert(scr,err);
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if ( code == 0 && rscr )
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*rscr = scr;
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return code;
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fail:
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ch_free( scr );
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return code;
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}
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void
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cr_unparse( BerVarray *res, ContentRule *start, ContentRule *end, int sys )
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{
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ContentRule *cr;
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int i, num;
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struct berval bv, *bva = NULL, idx;
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char ibuf[32];
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if ( !start )
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start = LDAP_STAILQ_FIRST( &cr_list );
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/* count the result size */
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i = 0;
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for ( cr=start; cr; cr=LDAP_STAILQ_NEXT(cr, scr_next)) {
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if ( sys && !(cr->scr_flags & SLAP_CR_HARDCODE)) continue;
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i++;
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if ( cr == end ) break;
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}
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if (!i) return;
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num = i;
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bva = ch_malloc( (num+1) * sizeof(struct berval) );
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BER_BVZERO( bva );
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idx.bv_val = ibuf;
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if ( sys ) {
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idx.bv_len = 0;
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ibuf[0] = '\0';
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}
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i = 0;
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for ( cr=start; cr; cr=LDAP_STAILQ_NEXT(cr, scr_next)) {
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LDAPContentRule lcr, *lcrp;
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if ( sys && !(cr->scr_flags & SLAP_CR_HARDCODE)) continue;
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if ( cr->scr_oidmacro ) {
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lcr = cr->scr_crule;
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lcr.cr_oid = cr->scr_oidmacro;
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lcrp = &lcr;
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} else {
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lcrp = &cr->scr_crule;
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}
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if ( ldap_contentrule2bv( lcrp, &bv ) == NULL ) {
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ber_bvarray_free( bva );
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}
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if ( !sys ) {
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idx.bv_len = sprintf(idx.bv_val, "{%d}", i);
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}
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bva[i].bv_len = idx.bv_len + bv.bv_len;
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bva[i].bv_val = ch_malloc( bva[i].bv_len + 1 );
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strcpy( bva[i].bv_val, ibuf );
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strcpy( bva[i].bv_val + idx.bv_len, bv.bv_val );
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i++;
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bva[i].bv_val = NULL;
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ldap_memfree( bv.bv_val );
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if ( cr == end ) break;
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}
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*res = bva;
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}
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int
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cr_schema_info( Entry *e )
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{
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AttributeDescription *ad_ditContentRules
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= slap_schema.si_ad_ditContentRules;
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ContentRule *cr;
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struct berval val;
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struct berval nval;
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LDAP_STAILQ_FOREACH(cr, &cr_list, scr_next) {
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if ( ldap_contentrule2bv( &cr->scr_crule, &val ) == NULL ) {
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return -1;
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}
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#if 0
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if( cr->scr_flags & SLAP_CR_HIDE ) continue;
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#endif
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#if 0
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Debug( LDAP_DEBUG_TRACE, "Merging cr [%ld] %s\n",
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(long) val.bv_len, val.bv_val, 0 );
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#endif
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nval.bv_val = cr->scr_oid;
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nval.bv_len = strlen(cr->scr_oid);
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if( attr_merge_one( e, ad_ditContentRules, &val, &nval ) )
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{
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return -1;
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}
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ldap_memfree( val.bv_val );
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}
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return 0;
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}
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