NetBSD/libexec/identd/proxy.c

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1997-10-08 11:07:40 +04:00
/* $NetBSD: proxy.c,v 1.4 1997/10/08 07:07:55 mrg Exp $ */
/*
** proxy.c This file implements the proxy() call.
**
** This program is in the public domain and may be used freely by anyone
** who wants to.
**
** Last update: 12 Dec 1992
**
** Please send bug fixes/bug reports to: Peter Eriksson <pen@lysator.liu.se>
*/
#include <sys/types.h>
#include <sys/time.h>
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#include <netinet/in.h>
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#ifdef INCLUDE_PROXY
#include <ident.h>
#endif
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#include <stdio.h>
#include <errno.h>
#include "identd.h"
int proxy __P((struct in_addr *, struct in_addr *, int, int, struct timeval *));
/*
** 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
id_t *idp;
char *answer;
char *opsys;
char *charset;
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");
}
id_close(idp);
#endif
}