/*
 * Copyright (c) 2004, David P. Reese, Jr. <daver@gomerbud.com>
 *
 * 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.
 */

#include <stdio.h>
#include <stdlib.h>

#include <err.h>
#include <string.h>
#include <unistd.h>

#define FIRST_SWITCH	"-c"

#define CVS_CMD		"cvs server"
#define CVS_PATH	"/usr/bin/cvswrap"
#define CVS_ARG0	"cvs"
#define CVS_ARG1	"server"

int
main(int argc, char **argv)
{
	/*
	 * Sanity check the args.  Do not allow interactive logins.
	 */
	if (argc != 3 || strcmp(argv[1], FIRST_SWITCH))
		errx(EXIT_FAILURE,
		    "This account does not support interactive logins.\n");

	if (!strcmp(argv[2], CVS_CMD)) {
		if (execl(CVS_PATH, CVS_ARG0, CVS_ARG1, NULL) != 0)
			err(EXIT_FAILURE, "execl of %s %s failed\n",
			    CVS_PATH, CVS_ARG1);
	} else {
		fprintf(stderr,
		    "This account is not allowed to run the command %s\n",
		    argv[2]);
	}

	exit(1);
}
