HardenedBSD/sbin/sysinstall/stage4.c
1994-11-18 10:12:56 +00:00

89 lines
2.2 KiB
C

/*
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@login.dknet.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: stage4.c,v 1.9 1994/11/17 23:36:48 ache Exp $
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <dialog.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "sysinstall.h"
void
stage4()
{
int ffd, pfd[2];
int zpid, cpid;
int i,j;
if (access("/stand/need_cpio_floppy",R_OK))
return;
retry:
while (1) {
dialog_msgbox(TITLE,
"Insert CPIO floppy in floppy drive 0", -1, -1, 1);
ffd = open("/dev/fd0a",O_RDONLY);
if (ffd > 0)
break;
}
dialog_clear_norefresh();
TellEm("cd /stand ; gunzip < /dev/fd0 | cpio -idum");
pipe(pfd);
zpid = fork();
if (!zpid) {
close(0); dup(ffd); close(ffd);
close(1); dup(pfd[1]); close(pfd[1]);
close(pfd[0]);
i = exec (1,"/stand/gunzip","/stand/gunzip", 0);
exit(i);
}
cpid = fork();
if (!cpid) {
close(0); dup(pfd[0]); close(pfd[0]);
close(ffd);
close(pfd[1]);
close(1); open("/dev/null",O_WRONLY);
chdir("/stand");
i = exec (1,"/stand/cpio","/stand/cpio","-iduvm", 0);
exit(i);
}
close(pfd[0]);
close(pfd[1]);
close(ffd);
i = wait(&j);
if (i < 0 || j)
Fatal("Pid %d, status %d, cpio=%d, gunzip=%d.\nerror:%s",
i, j, cpid, zpid, strerror(errno));
i = wait(&j);
if (i < 0 || j)
Fatal("Pid %d, status %d, cpio=%d, gunzip=%d.\nerror:%s",
i, j, cpid, zpid, strerror(errno));
/* bininst MUST be the last file on the floppy */
if (access("/stand/bininst", R_OK) == -1) {
AskAbort("CPIO floppy was bad! Please check media for defects and retry.");
goto retry;
}
else {
TellEm("unlink /stand/need_cpio_floppy");
unlink("/stand/need_cpio_floppy");
}
}