/* $OpenLDAP$ */
/*
 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
 */
/* ava.c - routines for dealing with attribute value assertions */

#include "portable.h"

#include <stdio.h>

#include <ac/string.h>
#include <ac/socket.h>

#include "slap.h"


void
ava_free(
    AttributeAssertion *ava,
    int	freeit
)
{
	free( ava->aa_value.bv_val );
	if ( freeit ) {
		ch_free( (char *) ava );
	}
}

int
get_ava(
    BerElement	*ber,
    AttributeAssertion	**ava,
	unsigned usage,
	const char **text
)
{
	int rc;
	ber_tag_t rtag;
	struct berval type, value;
	AttributeAssertion *aa;

	rtag = ber_scanf( ber, "{mm}", &type, &value );

	if( rtag == LBER_ERROR ) {
#ifdef NEW_LOGGING
		LDAP_LOG(( "filter", LDAP_LEVEL_ERR,
			   "get_ava:  ber_scanf failure\n" ));
#else
		Debug( LDAP_DEBUG_ANY, "  get_ava ber_scanf\n", 0, 0, 0 );
#endif
		*text = "Error decoding attribute value assertion";
		return SLAPD_DISCONNECT;
	}

	aa = ch_malloc( sizeof( AttributeAssertion ) );
	aa->aa_desc = NULL;
	aa->aa_value.bv_val = NULL;

	rc = slap_bv2ad( &type, &aa->aa_desc, text );

	if( rc != LDAP_SUCCESS ) {
		ch_free( aa );
		return rc;
	}

	rc = value_validate_normalize( aa->aa_desc, usage,
		&value, &aa->aa_value, text );

	if( rc != LDAP_SUCCESS ) {
		ch_free( aa );
		return rc;
	}

	*ava = aa;

	return LDAP_SUCCESS;
}