main.c revision 12661 
1/*
2 * The new sysinstall program.
3 *
4 * This is probably the last attempt in the `sysinstall' line, the next
5 * generation being slated for what's essentially a complete rewrite.
6 *
7 * $Id: main.c,v 1.14 1995/09/18 16:52:29 peter Exp $
8 *
9 * Copyright (c) 1995
10 *	Jordan Hubbard.  All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer,
17 *    verbatim and that no modifications are made prior to this
18 *    point in the file.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 *    notice, this list of conditions and the following disclaimer in the
21 *    documentation and/or other materials provided with the distribution.
22 * 3. All advertising materials mentioning features or use of this software
23 *    must display the following acknowledgement:
24 *	This product includes software developed by Jordan Hubbard
25 *	for the FreeBSD Project.
26 * 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
27 *    endorse or promote products derived from this software without specific
28 *    prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED.  IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 * SUCH DAMAGE.
41 *
42 */
43
44#include "sysinstall.h"
45#include <stdio.h>
46#include <sys/signal.h>
47
48static void
49screech(int sig)
50{
51    fprintf(stderr, "\007Fatal signal %d caught!  I'm dead..\n", sig);
52    pause();
53}
54
55int
56main(int argc, char **argv)
57{
58    int choice, scroll, curr, max;
59
60    if (getpid() == 1) {
61	signal(SIGBUS, screech);
62	signal(SIGSEGV, screech);
63    }
64    if (geteuid() != 0) {
65	fprintf(stderr, "Warning:  This utility should be run as root.\n");
66	sleep(1);
67    }
68    /* Set up whatever things need setting up */
69    systemInitialize(argc, argv);
70
71    /* Try to preserve our scroll-back buffer */
72    if (OnVTY)
73	for (curr = 0; curr < 25; curr++)
74	    putchar('\n');
75
76    /* Probe for all relevant devices on the system */
77    deviceGetAll();
78
79    /* Set default flag and variable values */
80    installVarDefaults(NULL);
81
82    /* Begin user dialog at outer menu */
83    while (1) {
84	choice = scroll = curr = max = 0;
85	dmenuOpen(&MenuInitial, &choice, &scroll, &curr, &max);
86	if (getpid() != 1 || !msgYesNo("Are you sure you wish to exit?  The system will reboot\n"
87				       "(be sure to remove any floppies from the drives)."))
88	    break;
89    }
90
91    /* Say goodnight, Gracie */
92    systemShutdown();
93
94    /* If we're running as init, we should never get here */
95    return 0;
96}
97