/*
 * Copyright (c) 1999 Ian Freislich
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      $Id: transaction.c,v 1.32 2002/11/21 13:32:41 ianf Exp $
 */

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

#include <errno.h>
#include <md5.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <syslog.h>
#include <time.h>
#include <unistd.h>

#include <poputil.h>
#include "config.h"
#include "popd.h"

extern struct config	config;

void
transaction (struct connection *cxn)
{
	int	cmd;
	char	*arg1, *arg2;

	if (!mbox_op(cxn, SESSION_START, NULL, NULL)) {
		exit_error(EX_IOERR, "Unable to open mailbox: %s",
		    strerror(errno));
	}

	for (;;) {
		if ((cmd = recvcmd(&arg1, &arg2)) == INVALCMD)
			sendline(SEND_FLUSH, "-ERR invalid command");
		else if (cmd == TIMEDOUT)
			exit_error(EX_NOINPUT, "timed out waiting for input");
		else
			mbox_op(cxn, cmd, arg1, arg2);
	}
}