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/* syntax.c - routines to manage syntax definitions */
/* $OpenLDAP: pkg/ldap/servers/slapd/syntax.c,v 1.40.2.3 2006/01/03 22:16:16 kurt Exp $ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2006 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/ctype.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
struct sindexrec {
char *sir_name;
Syntax *sir_syn;
};
static Avlnode *syn_index = NULL;
static LDAP_SLIST_HEAD(SyntaxList, slap_syntax) syn_list
= LDAP_SLIST_HEAD_INITIALIZER(&syn_list);
static int
syn_index_cmp(
const void *v_sir1,
const void *v_sir2
)
{
const struct sindexrec *sir1 = v_sir1, *sir2 = v_sir2;
return (strcmp( sir1->sir_name, sir2->sir_name ));
}
static int
syn_index_name_cmp(
const void *name,
const void *sir
)
{
return (strcmp( name, ((const struct sindexrec *)sir)->sir_name ));
}
Syntax *
syn_find( const char *synname )
{
struct sindexrec *sir = NULL;
if ( (sir = avl_find( syn_index, synname, syn_index_name_cmp )) != NULL ) {
return( sir->sir_syn );
}
return( NULL );
}
Syntax *
syn_find_desc( const char *syndesc, int *len )
{
Syntax *synp;
LDAP_SLIST_FOREACH(synp, &syn_list, ssyn_next) {
if ((*len = dscompare( synp->ssyn_syn.syn_desc, syndesc, '{' /*'}'*/ ))) {
return synp;
}
}
return( NULL );
}
void
syn_destroy( void )
{
Syntax *s;
avl_free(syn_index, ldap_memfree);
while( !LDAP_SLIST_EMPTY(&syn_list) ) {
s = LDAP_SLIST_FIRST(&syn_list);
LDAP_SLIST_REMOVE_HEAD(&syn_list, ssyn_next);
ldap_syntax_free((LDAPSyntax *)s);
}
}
static int
syn_insert(
Syntax *ssyn,
const char **err
)
{
struct sindexrec *sir;
LDAP_SLIST_NEXT( ssyn, ssyn_next ) = NULL;
LDAP_SLIST_INSERT_HEAD( &syn_list, ssyn, ssyn_next );
if ( ssyn->ssyn_oid ) {
sir = (struct sindexrec *)
SLAP_CALLOC( 1, sizeof(struct sindexrec) );
if( sir == NULL ) {
Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
return LDAP_OTHER;
}
sir->sir_name = ssyn->ssyn_oid;
sir->sir_syn = ssyn;
if ( avl_insert( &syn_index, (caddr_t) sir,
syn_index_cmp, avl_dup_error ) ) {
*err = ssyn->ssyn_oid;
ldap_memfree(sir);
return SLAP_SCHERR_SYN_DUP;
}
/* FIX: temporal consistency check */
syn_find(sir->sir_name);
}
return 0;
}
int
syn_add(
LDAPSyntax *syn,
slap_syntax_defs_rec *def,
const char **err
)
{
Syntax *ssyn;
int code;
ssyn = (Syntax *) SLAP_CALLOC( 1, sizeof(Syntax) );
if( ssyn == NULL ) {
Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
return LDAP_OTHER;
}
AC_MEMCPY( &ssyn->ssyn_syn, syn, sizeof(LDAPSyntax) );
LDAP_SLIST_NEXT(ssyn,ssyn_next) = NULL;
/*
* note: ssyn_bvoid uses the same memory of ssyn_syn.syn_oid;
* ssyn_oidlen is #defined as ssyn_bvoid.bv_len
*/
ssyn->ssyn_bvoid.bv_val = ssyn->ssyn_syn.syn_oid;
ssyn->ssyn_oidlen = strlen(syn->syn_oid);
ssyn->ssyn_flags = def->sd_flags;
ssyn->ssyn_validate = def->sd_validate;
ssyn->ssyn_pretty = def->sd_pretty;
#ifdef SLAPD_BINARY_CONVERSION
ssyn->ssyn_ber2str = def->sd_ber2str;
ssyn->ssyn_str2ber = def->sd_str2ber;
#endif
code = syn_insert(ssyn, err);
return code;
}
int
register_syntax(
slap_syntax_defs_rec *def )
{
LDAPSyntax *syn;
int code;
const char *err;
syn = ldap_str2syntax( def->sd_desc, &code, &err, LDAP_SCHEMA_ALLOW_ALL);
if ( !syn ) {
Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s before %s in %s\n",
ldap_scherr2str(code), err, def->sd_desc );
return( -1 );
}
code = syn_add( syn, def, &err );
if ( code ) {
Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s %s in %s\n",
scherr2str(code), err, def->sd_desc );
ldap_syntax_free( syn );
return( -1 );
}
ldap_memfree( syn );
return( 0 );
}
int
syn_schema_info( Entry *e )
{
AttributeDescription *ad_ldapSyntaxes = slap_schema.si_ad_ldapSyntaxes;
Syntax *syn;
struct berval val;
struct berval nval;
LDAP_SLIST_FOREACH(syn, &syn_list, ssyn_next ) {
if ( ! syn->ssyn_validate ) {
/* skip syntaxes without validators */
continue;
}
if ( syn->ssyn_flags & SLAP_SYNTAX_HIDE ) {
/* hide syntaxes */
continue;
}
if ( ldap_syntax2bv( &syn->ssyn_syn, &val ) == NULL ) {
return -1;
}
#if 0
Debug( LDAP_DEBUG_TRACE, "Merging syn [%ld] %s\n",
(long) val.bv_len, val.bv_val, 0 );
#endif
nval.bv_val = syn->ssyn_oid;
nval.bv_len = strlen(syn->ssyn_oid);
if( attr_merge_one( e, ad_ldapSyntaxes, &val, &nval ) )
{
return -1;
}
ldap_memfree( val.bv_val );
}
return 0;
}
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