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/*
** id_query.c Transmit a query to an IDENT server
**
** Author: Peter Eriksson <pen@lysator.liu.se>
*/
#if HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <errno.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#if HAVE_SYS_SELECT_H
# include <sys/select.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# endif
#endif
#define IN_LIBIDENT_SRC
#include "ident.h"
int id_query (ident_t *id, int lport, int fport, struct timeval *timeout)
{
__sighandler_t old_sig;
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);
res = select(FD_SETSIZE, NULL, &ws, NULL, timeout);
if (res < 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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