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/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: main.c,v 1.20 1995/01/30 03:19:52 phk Exp $
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <dialog.h>
#include <sys/ioctl.h>
#include <sys/reboot.h>
#define EXTERN /* only in main.c */
#include "sysinstall.h"
void
handle_intr(int sig)
{
dialog_clear_norefresh();
dialog_msgbox("User Interrupt",
"User interrupted. Aborting the installation",
-1, -1, 1);
ExitSysinstall();
}
int
main(int argc, char **argv)
{
signal(SIGINT, SIG_IGN);
/* Are we running as init? */
cpio_fd = -1;
if (getpid() == 1) {
setsid();
if (argc > 1 && strchr(argv[1],'C')) {
/* Kernel told us that we are on a CDROM root */
close(0); open("/bootcd/dev/console",O_RDWR);
close(1); dup(0);
close(2); dup(0);
cpio_fd = open("/floppies/cpio.flp",O_RDONLY);
on_cdrom++;
chroot("/bootcd");
} else {
close(0); open("/dev/console",O_RDWR);
close(1); dup(0);
close(2); dup(0);
}
printf("sysinstall running as init\n\r");
ioctl(0,TIOCSCTTY,(char *)NULL);
setlogin("root");
setbuf(stdin,0);
setbuf(stdout,0);
setbuf(stderr,0);
}
if (set_termcap() == -1) {
Fatal("Can't find terminal entry\n");
}
/* XXX too early to use fatal ! */
/* XXX - libdialog has particularly bad return value checking */
init_dialog();
/* If we haven't crashed I guess dialog is running ! */
dialog_active = 1;
signal(SIGINT, handle_intr);
if (getpid() != 1) {
stage0();
stage1();
end_dialog();
dialog_active=0;
} else if (!access("/this_is_boot_flp",R_OK)) {
while(1) {
stage0();
if(!stage1())
break;
}
stage2();
end_dialog();
dialog_active=0;
reboot(RB_AUTOBOOT);
} else {
stage3();
stage5();
}
return 0;
}
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