#ifndef __SECURITY_H
#define __SECURITY_H
/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at http://curl.haxx.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 * $Id: security.h,v 1.10 2004/10/06 07:50:18 bagder Exp $
 ***************************************************************************/

/* this is a re-write */

#include <stdarg.h>
#include "urldata.h"  /* for struct connectdata * */

struct Curl_sec_client_mech {
	const char *name;
	size_t size;
	int ( *init )( void * );
	int ( *auth )( void *, struct connectdata * );
	void ( *end )( void * );
	int ( *check_prot )( void *, int );
	int ( *overhead )( void *, int, int );
	int ( *encode )( void *, void*, int, int, void**, struct connectdata * );
	int ( *decode )( void *, void*, int, int, struct connectdata * );
};


#define AUTH_OK         0
#define AUTH_CONTINUE   1
#define AUTH_ERROR      2

extern struct Curl_sec_client_mech Curl_krb4_client_mech;

int Curl_sec_fflush_fd( struct connectdata *conn, int fd );
int Curl_sec_fprintf( struct connectdata *, FILE *, const char *, ... );
int Curl_sec_getc( struct connectdata *conn, FILE * );
int Curl_sec_putc( struct connectdata *conn, int, FILE * );
int Curl_sec_read( struct connectdata *conn, int, void *, int );
int Curl_sec_read_msg( struct connectdata *conn, char *, int );

int Curl_sec_vfprintf( struct connectdata *, FILE *, const char *, va_list );
int Curl_sec_fprintf2( struct connectdata *conn, FILE *f, const char *fmt, ... );
int Curl_sec_vfprintf2( struct connectdata *conn, FILE *, const char *, va_list );
int Curl_sec_write( struct connectdata *conn, int, char *, int );

void Curl_sec_end( struct connectdata * );
int Curl_sec_login( struct connectdata * );
void Curl_sec_prot( int, char ** );
int Curl_sec_request_prot( struct connectdata *conn, const char *level );
void Curl_sec_set_protection_level( struct connectdata *conn );
void Curl_sec_status( void );

enum protection_level Curl_set_command_prot( struct connectdata *,
											 enum protection_level );

#endif