156 lines
4.8 KiB
C
156 lines
4.8 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last attempt in the `sysinstall' line, the next
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* generation being slated for what's essentially a complete rewrite.
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*
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* $Id: main.c,v 1.26 1996/09/08 01:39:24 jkh Exp $
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*
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* Copyright (c) 1995
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* Jordan Hubbard. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include "sysinstall.h"
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#include <stdio.h>
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#include <sys/signal.h>
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static void
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screech(int sig)
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{
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fprintf(stderr, "\007Fatal signal %d caught! I'm dead..\n", sig);
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if (RunningAsInit)
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pause();
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else
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exit(1);
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}
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int
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main(int argc, char **argv)
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{
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int choice, scroll, curr, max;
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/* Catch fatal signals and complain about them if running as init */
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if (getpid() == 1) {
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signal(SIGBUS, screech);
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signal(SIGSEGV, screech);
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}
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/* We don't work too well when running as non-root anymore */
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if (geteuid() != 0) {
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fprintf(stderr, "Error: This utility should only be run as root.\n");
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return 1;
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}
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/* Set up whatever things need setting up */
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systemInitialize(argc, argv);
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/* Set default flag and variable values */
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installVarDefaults(NULL);
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if (argc > 1 && !strcmp(argv[1], "-fake")) {
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variable_set2(VAR_DEBUG, "YES");
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Fake = TRUE;
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msgConfirm("I'll be just faking it from here on out, OK?");
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}
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/* Try to preserve our scroll-back buffer */
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if (OnVTY)
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for (curr = 0; curr < 25; curr++)
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putchar('\n');
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/* Probe for all relevant devices on the system */
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deviceGetAll();
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/* First, see if we have any arguments to process (and argv[0] counts if it's not "sysinstall") */
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if (!RunningAsInit) {
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int i, start_arg;
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/* Try to set ourselves up as a CDROM if we can do that first */
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if (DITEM_STATUS(mediaSetCDROM(NULL)) == DITEM_SUCCESS) {
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/* If we can't initialize it, it's probably not a FreeBSD CDROM so punt on it */
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if (!mediaDevice->init(mediaDevice))
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mediaDevice = NULL;
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}
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if (!strstr(argv[0], "sysinstall"))
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start_arg = 0;
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else if (Fake)
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start_arg = 2;
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else
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start_arg = 1;
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for (i = start_arg; i < argc; i++) {
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if (DITEM_STATUS(dispatchCommand(argv[i])) != DITEM_SUCCESS)
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systemShutdown(1);
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}
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if (argc > start_arg)
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systemShutdown(0);
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}
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/* If we have a compiled-in startup config file name, look for it and try to load it on startup */
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#if defined(LOAD_CONFIG_FILE)
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else {
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extern char *distWanted;
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distWanted = (char *)1; /* Tell mediaSetFloppy() to try floppy now */
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/* Try to open the floppy drive if we can do that first */
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if (DITEM_STATUS(mediaSetFloppy(NULL)) != DITEM_FAILURE && mediaDevice->init(mediaDevice)) {
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int fd;
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fd = mediaDevice->get(mediaDevice, LOAD_CONFIG_FILE, TRUE);
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if (fd > 0) {
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Attribs attrs[512]; /* Don't have more than this many attrs in one file, ok? :-) */
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msgNotify("Loading %s pre-configuration file", LOAD_CONFIG_FILE);
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if (DITEM_STATUS(attr_parse(attrs, fd)) == DITEM_SUCCESS) {
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int i;
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for (i = 0; attrs[i].name; i++)
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variable_set2(attrs[i].name, attrs[i].value);
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}
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mediaDevice->close(mediaDevice, fd);
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}
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mediaDevice->shutdown(mediaDevice);
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}
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}
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#endif
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/* Begin user dialog at outer menu */
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dialog_clear();
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while (1) {
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choice = scroll = curr = max = 0;
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dmenuOpen(&MenuInitial, &choice, &scroll, &curr, &max, TRUE);
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if (getpid() != 1 || !msgYesNo("Are you sure you wish to exit? The system will reboot\n"
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"(be sure to remove any floppies from the drives)."))
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break;
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}
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/* Say goodnight, Gracie */
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systemShutdown(0);
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return 0; /* We should never get here */
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}
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