/*
 * This program is in the public domain and may be used freely by anyone
 * who wants to.
 *
 * Please send bug fixes/bug reports to: Peter Eriksson <pen@lysator.liu.se>
 */

#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>

#include "identd.h"

/*
 * This function should establish a connection to a remote IDENT
 * server and query it for the information associated with the
 * specified connection and the return that to the caller.
 *
 * Should there be three different timeouts (Connection Establishment,
 * Query Transmit and Query Receive)?
 */
int 
proxy(laddr, faddr, lport, fport, timeout)
	struct in_addr *laddr;
	struct in_addr *faddr;
	int     lport;
	int     fport;
	struct timeval *timeout;
{
#ifndef INCLUDE_PROXY
	printf("%d , %d : ERROR : %s\r\n", lport, fport,
	    unknown_flag ? "UNKNOWN-ERROR" : "X-NOT-YET-IMPLEMENTED");

	return (-1);
#else
	char	*answer, *opsys, *charset;
	id_t	*idp;

	idp = id_open(laddr, faddr, timeout);
	if (!idp) {
		printf("%d , %d : ERROR : %s\r\n", lport, fport,
		    unknown_flag ? "UNKNOWN-ERROR" : "X-CONNECTION-REFUSED");
		return -1;
	}
	if (id_query(idp, lport, fport, timeout) < 0) {
		printf("%d , %d : ERROR : %s\r\n", lport, fport,
		    unknown_flag ? "UNKNOWN-ERROR" : "X-TRANSMIT-QUERY-ERROR");
		id_close(idp);
		return -1;
	}
	switch (id_parse(idp, timeout, &lport, &fport, &answer,
	    &opsys, &charset)) {
	case 1:
		printf("%d , %d : USERID : %s %s%s : %s\r\n", lport, fport,
		    opsys, charset ? "," : "", charset ? charset : "",
		    answer);
		break;
	case 2:
		printf("%d , %d : ERROR : %s\r\n", lport, fport, answer);
		break;
	case 0:		/* More to parse - fix this later! */
	case -1:		/* Internal error */
	default:
		printf("%d , %d : ERROR : %s\r\n", lport, fport,
		    unknown_flag ? "UNKNOWN-ERROR" : "X-PARSE-REPLY-ERROR");
		break;
	}
	id_close(idp);
#endif
}