/* $Id: xio-socks.h,v 1.6 2004/06/06 19:03:28 gerhard Exp $ */
/* Copyright Gerhard Rieger 2001-2004 */
/* Published under the GNU General Public License V.2, see file COPYING */

#ifndef __xio_socks_h_included
#define __xio_socks_h_included 1

struct socks4 {
   uint8_t  version;
   uint8_t  action;
   uint16_t port;
   uint32_t dest;
   char userid[1];	/* just to have access via this struct */
} ;
#define SIZEOF_STRUCT_SOCKS4 8

extern const struct optdesc opt_socksport;
extern const struct optdesc opt_socksuser;

extern const struct addrdesc addr_socks4_connect;
extern const struct addrdesc addr_socks4a_connect;

extern int _xioopen_socks4_prepare(const char *targetport, struct opt *opts, char **socksport, struct socks4 *sockhead, size_t *headlen);
extern int
   _xioopen_socks4_connect0(struct single *xfd,
			    const char *hostname,	/* socks target host */
			    int socks4a,
			    struct socks4 *sockhead,
			    ssize_t *headlen,		/* get available space,
							   return used length*/
			    int level);
extern int _xioopen_socks4_connect(struct single *xfd,
				   struct socks4 *sockhead,
				   size_t headlen,
				   int level);

#endif /* !defined(__xio_socks_h_included) */