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