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/*
** id_query.c Transmit a query to an IDENT server
**
** Author: Peter Eriksson <pen@lysator.liu.se>
*/
#include <stdio.h>
#include <errno.h>
#if defined(ISC)
#include <net/errno.h>
#endif /* #if defined(ISC) */
#include <signal.h>
#include <sys/types.h>
#if defined(ISC)
#include <sys/bsdtypes.h>
#endif /* #if defined(ISC) */
#include <sys/wait.h>
#include <sys/time.h>
#include "ident.h"
int id_query
#ifdef __STDC__
(ident_t *id, int lport, int fport, struct timeval *timeout)
#else
(id, lport, fport, timeout)
ident_t *id;
int lport;
int fport;
struct timeval *timeout;
#endif
{
#if defined(SOLARIS) || defined(_SEQUENT_) || defined(SCO)
void (*old_sig)();
#else
void *old_sig;
#endif
int res;
char buf[80];
fd_set ws;
sprintf(buf, "%d , %d\r\n", lport, fport);
if (timeout)
{
FD_ZERO(&ws);
FD_SET(id->fd, &ws);
if ((res = select(FD_SETSIZE, (fd_set *)0, &ws, (fd_set *)0, timeout)) < 0)
return -1;
if (res == 0)
{
errno = ETIMEDOUT;
return -1;
}
}
old_sig = signal(SIGPIPE, SIG_IGN);
res = write(id->fd, buf, strlen(buf));
signal(SIGPIPE, old_sig);
return res;
}
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