236 lines
5.8 KiB
C
236 lines
5.8 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: stage2.c,v 1.26 1995/03/15 06:16:10 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 <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <dialog.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <sys/wait.h>
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#include "sysinstall.h"
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void
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stage2()
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{
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char *p, *q;
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char pbuf[90];
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char dbuf[90];
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FILE *f1;
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int i, j, k;
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int ffd, pfd[2];
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int zpid, cpid;
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memset(Fsize, 0, sizeof Fsize);
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/* Sort in mountpoint order */
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for (i = 1; Fname[i]; i++)
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Fsize[i] = i;
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Fsize[i] = 0;
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for (j = 1; j;)
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for (j = 0, i = 1; Fsize[i+1]; i++) {
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if (strcmp(Fmount[Fsize[i]], Fmount[Fsize[i+1]]) > 0) {
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j = Fsize[i];
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Fsize[i] = Fsize[i+1];
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Fsize[i + 1] = j;
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}
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}
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for (j = 1; Fsize[j]; j++) {
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if (strcmp(Ftype[Fsize[j]], "ufs"))
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continue;
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p = Fname[Fsize[j]];
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strcpy(pbuf, "/dev/r");
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strcat(pbuf, p);
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if (!Faction[Fsize[j]]) {
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TellEm("fsck -y /dev/r%s",p);
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i = exec(0, "/stand/fsck", "/stand/fsck", "-y", pbuf, 0);
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if (i)
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Fatal("Exec(/stand/fsck) failed, code=%d.",i);
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} else {
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TellEm("newfs /dev/r%s",p);
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i = exec(0, "/stand/newfs", "/stand/newfs", "-n", "1", pbuf, 0);
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if (i)
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Fatal("Exec(/stand/newfs) failed, code=%d.",i);
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}
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}
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for (j = 1; Fsize[j]; j++) {
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if (!strcmp(Ftype[Fsize[j]], "swap"))
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continue;
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strcpy(dbuf, "/mnt");
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p = Fname[Fsize[j]];
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q = Fmount[Fsize[j]];
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if (strcmp(q, "/"))
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strcat(dbuf, q);
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if (!strcmp(Ftype[Fsize[j]], "ufs")) {
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MountUfs(p, dbuf, 1, 0);
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continue;
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} else {
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Mkdir(dbuf, FALSE);
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}
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}
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Mkdir("/mnt/etc", TRUE);
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Mkdir("/mnt/dev", TRUE);
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Mkdir("/mnt/mnt", TRUE);
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Mkdir("/mnt/stand", TRUE);
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TellEm("unzipping /stand/sysinstall onto hard disk");
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exec(4, "/stand/gzip", "zcat", 0 );
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Link("/mnt/stand/sysinstall","/mnt/stand/cpio");
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Link("/mnt/stand/sysinstall","/mnt/stand/bad144");
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Link("/mnt/stand/sysinstall","/mnt/stand/gunzip");
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Link("/mnt/stand/sysinstall","/mnt/stand/gzip");
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Link("/mnt/stand/sysinstall","/mnt/stand/zcat");
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Link("/mnt/stand/sysinstall","/mnt/stand/newfs");
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Link("/mnt/stand/sysinstall","/mnt/stand/fsck");
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Link("/mnt/stand/sysinstall","/mnt/stand/dialog");
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if (fixit) {
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for (i=0;i<100;i++) {
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sprintf(pbuf,"/mnt/etc/fstab.before.fixit.%d",i);
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if (access(pbuf,R_OK)) {
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rename("/mnt/etc/fstab",pbuf);
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break;
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}
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}
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for (i=0;i<100;i++) {
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sprintf(pbuf,"/mnt/kernel.before.fixit.%d",i);
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if (access(pbuf,R_OK)) {
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rename("/mnt/kernel",pbuf);
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break;
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}
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}
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for (i=0;i<100;i++) {
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sprintf(pbuf,"/mnt/sbin/init.before.fixit.%d",i);
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if (access(pbuf,R_OK)) {
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rename("/mnt/sbin/init",pbuf);
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break;
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}
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}
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}
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TellEm("make /dev entries");
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chdir("/mnt/dev");
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makedevs();
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chdir("/");
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TellEm("Making /mnt/etc/fstab");
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f1 = fopen("/mnt/etc/fstab","w");
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if (!f1)
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Fatal("Couldn't open /mnt/etc/fstab for writing.");
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TellEm("Writing filesystems");
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chdir("/mnt");
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for (j = 1; Fsize[j]; j++) {
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if (!strcmp(Ftype[Fsize[j]],"swap"))
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fprintf(f1, "/dev/%s\t\tnone\tswap sw 0 0\n", Fname[Fsize[j]]);
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else {
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fprintf(f1, "/dev/%s\t\t%s\t%s rw 1 1\n",
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Fname[Fsize[j]], Fmount[Fsize[j]], Ftype[Fsize[j]]);
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Mkdir(Fmount[Fsize[j]], FALSE);
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}
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}
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chdir("/");
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TellEm("Writing procfs");
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fprintf(f1,"proc\t\t\t/proc\tprocfs rw 0 0\n");
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fclose(f1);
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j = fork();
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if (!j) {
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chroot("/mnt");
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chdir("/");
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ffd = cpio_fd;
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retry:
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while (ffd < 0) {
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dialog_msgbox(TITLE,
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"Insert CPIO floppy in floppy drive 0", -1, -1, 1);
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ffd = open("/dev/rfd0",O_RDONLY);
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if (ffd > 0)
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break;
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Debug("problems opening /dev/rfd0: %d",errno);
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}
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dialog_clear_norefresh();
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TellEm("gunzip < /dev/fd0 | cpio -idum");
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pipe(pfd);
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zpid = fork();
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if (!zpid) {
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close(0); dup(ffd); close(ffd);
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close(1); dup(pfd[1]); close(pfd[1]);
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close(pfd[0]);
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i = exec (1,"/stand/gunzip","/stand/gunzip", 0);
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exit(i);
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}
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cpid = fork();
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if (!cpid) {
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close(0); dup(pfd[0]); close(pfd[0]);
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close(ffd);
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close(pfd[1]);
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close(1); open("/dev/null",O_WRONLY);
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i = exec (1,"/stand/cpio","/stand/cpio","-iduvm", 0);
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exit(i);
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}
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close(pfd[0]);
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close(pfd[1]);
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close(ffd);
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i = wait(&j);
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if (i < 0 || j)
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Fatal("Pid %d, status %d, cpio=%d, gunzip=%d.\nerror:%s",
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i, j, cpid, zpid, strerror(errno));
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i = wait(&j);
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if (i < 0 || j)
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Fatal("Pid %d, status %d, cpio=%d, gunzip=%d.\nerror:%s",
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i, j, cpid, zpid, strerror(errno));
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/* bininst.sh MUST be the last file on the floppy */
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if (access("/OK", R_OK) == -1) {
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AskAbort("CPIO floppy was bad! Please check media for defects and retry.");
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ffd = -1;
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goto retry;
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}
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unlink("/OK");
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exit (0);
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}
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i = wait(&k);
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Debug("chroot'er: %d %d %d",i,j,k);
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sync();
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TellEm("Unmount disks");
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for (j = 1; Fsize[j]; j++)
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continue;
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for (j--; j > 0; j--) {
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if (!strcmp(Ftype[Fsize[j]],"swap"))
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continue;
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strcpy(dbuf,"/mnt");
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if (strcmp(Fmount[Fsize[j]],"/"))
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strcat(dbuf, Fmount[Fsize[j]]);
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TellEm("unmount %s", dbuf);
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/* Don't do error-check, we reboot anyway... */
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unmount(dbuf, 0);
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}
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dialog_msgbox(TITLE,"Remove the floppy from the drive\n and hit return to reboot from the hard disk", -1, -1, 1);
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dialog_clear();
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}
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