freebsd-dev/usr.sbin/sysinstall/main.c
Paul Traina 5319e113eb If /install.cfg exists on the local floppy (or if LOAD_CONFIG_FILE is defined
and the user inserts a floppy), read the config file to pre-define variables
for a custom installation.

[Note: I fixed one bug in LOAD_CONFIG_FILE code, but it's still not perfect.]
1996-09-26 21:03:35 +00:00

179 lines
5.2 KiB
C

/*
* The new sysinstall program.
*
* This is probably the last attempt in the `sysinstall' line, the next
* generation being slated for what's essentially a complete rewrite.
*
* $Id: main.c,v 1.27 1996/09/15 23:55:23 jkh Exp $
*
* Copyright (c) 1995
* Jordan Hubbard. 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,
* verbatim and that no modifications are made prior to this
* point in the file.
* 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 JORDAN HUBBARD ``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 JORDAN HUBBARD OR HIS PETS 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, LIFE 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 "sysinstall.h"
#include <stdio.h>
#include <sys/signal.h>
#include <sys/fcntl.h>
static void
screech(int sig)
{
fprintf(stderr, "\007Fatal signal %d caught! I'm dead..\n", sig);
if (RunningAsInit)
pause();
else
exit(1);
}
int
main(int argc, char **argv)
{
int choice, scroll, curr, max;
/* Catch fatal signals and complain about them if running as init */
if (getpid() == 1) {
signal(SIGBUS, screech);
signal(SIGSEGV, screech);
}
/* We don't work too well when running as non-root anymore */
if (geteuid() != 0) {
fprintf(stderr, "Error: This utility should only be run as root.\n");
return 1;
}
/* Set up whatever things need setting up */
systemInitialize(argc, argv);
/* Set default flag and variable values */
installVarDefaults(NULL);
if (argc > 1 && !strcmp(argv[1], "-fake")) {
variable_set2(VAR_DEBUG, "YES");
Fake = TRUE;
msgConfirm("I'll be just faking it from here on out, OK?");
}
/* Try to preserve our scroll-back buffer */
if (OnVTY)
for (curr = 0; curr < 25; curr++)
putchar('\n');
/* Probe for all relevant devices on the system */
deviceGetAll();
/* First, see if we have any arguments to process (and argv[0] counts if it's not "sysinstall") */
if (!RunningAsInit) {
int i, start_arg;
/* Try to set ourselves up as a CDROM if we can do that first */
if (DITEM_STATUS(mediaSetCDROM(NULL)) == DITEM_SUCCESS) {
/* If we can't initialize it, it's probably not a FreeBSD CDROM so punt on it */
if (!mediaDevice->init(mediaDevice))
mediaDevice = NULL;
}
if (!strstr(argv[0], "sysinstall"))
start_arg = 0;
else if (Fake)
start_arg = 2;
else
start_arg = 1;
for (i = start_arg; i < argc; i++) {
if (DITEM_STATUS(dispatchCommand(argv[i])) != DITEM_SUCCESS)
systemShutdown(1);
}
if (argc > start_arg)
systemShutdown(0);
}
{
int fd;
Attribs attrs[512];
bzero(attrs, sizeof(attrs));
fd = open("install.cfg", O_RDONLY);
if (fd >= 0) {
msgNotify("Loading pre-configuration file");
if (DITEM_STATUS(attr_parse(attrs, fd)) == DITEM_SUCCESS) {
int i;
for (i = 0; *attrs[i].name; i++)
variable_set2(attrs[i].name, attrs[i].value);
}
close(fd);
}
#if defined(LOAD_CONFIG_FILE)
else {
/* If we have a compiled-in startup config file name on
the floppy, look for it and try to load it on startup */
extern char *distWanted;
/* Tell mediaSetFloppy() to try floppy now */
distWanted = (char *)1;
/* Try to open the floppy drive if we can do that first */
if (DITEM_STATUS(mediaSetFloppy(NULL)) != DITEM_FAILURE &&
mediaDevice->init(mediaDevice)) {
int fd;
fd = mediaDevice->get(mediaDevice, LOAD_CONFIG_FILE, TRUE);
if (fd > 0) {
msgNotify("Loading %s pre-configuration file",
LOAD_CONFIG_FILE);
if (DITEM_STATUS(attr_parse(attrs, fd)) == DITEM_SUCCESS) {
int i;
for (i = 0; *attrs[i].name; i++)
variable_set2(attrs[i].name, attrs[i].value);
}
mediaDevice->close(mediaDevice, fd);
}
mediaDevice->shutdown(mediaDevice);
}
}
#endif
}
/* Begin user dialog at outer menu */
dialog_clear();
while (1) {
choice = scroll = curr = max = 0;
dmenuOpen(&MenuInitial, &choice, &scroll, &curr, &max, TRUE);
if (getpid() != 1 || !msgYesNo("Are you sure you wish to exit? The system will reboot\n"
"(be sure to remove any floppies from the drives)."))
break;
}
/* Say goodnight, Gracie */
systemShutdown(0);
return 0; /* We should never get here */
}