view src/libident/id_query.c @ 156:ee2afbf92428

require host_name to be set in config file exit otherwise there is no portable way to determine the hostname (actually the hostname that masqmail should use) thus it must be set by the administrator
author meillo@marmaro.de
date Thu, 08 Jul 2010 09:49:05 +0200 (2010-07-08)
parents 26e34ae9a3e3
children
line wrap: on
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/*
** id_query.c                             Transmit a query to an IDENT server
**
** Author: Peter Eriksson <pen@lysator.liu.se>
*/

#ifdef NeXT3
#  include <libc.h>
#endif

#include <stdio.h>
#include <errno.h>
#include <signal.h>

#ifdef HAVE_ANSIHEADERS
#  include <stdlib.h>
#  include <string.h>
#  include <unistd.h>
#endif

#include <sys/types.h>
#include <sys/wait.h>
#include <sys/time.h>

#ifdef _AIX
#  include <sys/select.h>
#endif

#ifdef _AIX
#  include <sys/select.h>
#endif
#ifdef VMS
#  include <sys/socket.h>  /* for fd_set */
#endif
#define IN_LIBIDENT_SRC
#include "ident.h"


/*
int
id_query __P4(ident_t *, id, int, lport, int, fport, struct timeval *, timeout)
*/

int
id_query __P((ident_t * id, int lport, int fport, __STRUCT_TIMEVAL_P timeout))
{
#ifdef SIGRETURNTYPE
	SIGRETURNTYPE(*old_sig) ();
#else
	void (*old_sig) __P((int));
#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);

#ifdef __hpux
		if ((res = select(FD_SETSIZE, (int *) 0, (int *) &ws, (int *) 0, timeout)) < 0)
#else
		if ((res = select(FD_SETSIZE, (fd_set *) 0, &ws, (fd_set *) 0, timeout)) < 0)
#endif
			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;
}