390 lines
9.5 KiB
C
390 lines
9.5 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last attempt in the `sysinstall' line, the next
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* generation being slated to essentially a complete rewrite.
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*
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* $Id: media.c,v 1.12 1995/05/21 15:40:50 jkh Exp $
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*
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* Copyright (c) 1995
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* Jordan Hubbard. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Jordan Hubbard
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* for the FreeBSD Project.
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* 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <stdio.h>
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#include <sys/errno.h>
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#include <sys/fcntl.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include "sysinstall.h"
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static int
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genericHook(char *str, DeviceType type)
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{
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Device **devs;
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/* Clip garbage off the ends */
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string_prune(str);
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str = string_skipwhite(str);
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if (!*str)
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return 0;
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devs = deviceFind(str, type);
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if (devs)
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mediaDevice = devs[0];
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return devs ? 1 : 0;
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}
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static int
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cdromHook(char *str)
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{
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return genericHook(str, DEVICE_TYPE_CDROM);
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}
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/*
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* Return 1 if we successfully found and set the installation type to
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* be a CD.
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*/
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int
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mediaSetCDROM(char *str)
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{
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Device **devs;
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int cnt;
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if (OnCDROM == TRUE) {
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static Device bootCD;
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/* This may need to be extended a little, but the basic idea is sound */
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strcpy(bootCD.name, "bootCD");
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bootCD.type = DEVICE_TYPE_CDROM;
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bootCD.init = NULL;
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bootCD.get = mediaGetCDROM;
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bootCD.close = NULL;
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mediaDevice = &bootCD;
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return 1;
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}
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else {
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devs = deviceFind(NULL, DEVICE_TYPE_CDROM);
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cnt = deviceCount(devs);
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if (!cnt) {
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msgConfirm("No CDROM devices found! Please check that your system's\nconfiguration is correct and that the CDROM drive is of a supported\ntype. For more information, consult the hardware guide\nin the Doc menu.");
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return 0;
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}
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else if (cnt > 1) {
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DMenu *menu;
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menu = deviceCreateMenu(&MenuMediaCDROM, DEVICE_TYPE_CDROM, cdromHook);
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if (!menu)
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msgFatal("Unable to create CDROM menu! Something is seriously wrong.");
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dmenuOpenSimple(menu);
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free(menu);
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}
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else
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mediaDevice = devs[0];
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}
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return mediaDevice ? 1 : 0;
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}
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static int
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floppyHook(char *str)
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{
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return genericHook(str, DEVICE_TYPE_FLOPPY);
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}
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/*
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* Return 1 if we successfully found and set the installation type to
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* be a floppy
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*/
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int
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mediaSetFloppy(char *str)
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{
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Device **devs;
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int cnt;
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devs = deviceFind(NULL, DEVICE_TYPE_FLOPPY);
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cnt = deviceCount(devs);
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if (!cnt) {
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msgConfirm("No floppy devices found! Please check that your system's\nconfiguration is correct. For more information, consult the hardware guide\nin the Doc menu.");
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return 0;
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}
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else if (cnt > 1) {
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DMenu *menu;
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menu = deviceCreateMenu(&MenuMediaFloppy, DEVICE_TYPE_FLOPPY, floppyHook);
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if (!menu)
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msgFatal("Unable to create Floppy menu! Something is seriously wrong.");
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dmenuOpenSimple(menu);
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free(menu);
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}
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else
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mediaDevice = devs[0];
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return mediaDevice ? 1 : 0;
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}
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static int
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DOSHook(char *str)
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{
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return genericHook(str, DEVICE_TYPE_DOS);
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}
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/*
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* Return 1 if we successfully found and set the installation type to
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* be a DOS partition.
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*/
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int
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mediaSetDOS(char *str)
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{
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Device **devs;
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Disk *d;
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Chunk *c1;
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int i, cnt;
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devs = deviceFind(NULL, DEVICE_TYPE_DOS);
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cnt = deviceCount(devs);
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if (cnt > 1) {
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DMenu *menu;
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menu = deviceCreateMenu(&MenuMediaDOS, DEVICE_TYPE_DOS, DOSHook);
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if (!menu)
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msgFatal("Unable to create DOS menu! Something is seriously wrong.");
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dmenuOpenSimple(menu);
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free(menu);
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}
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else if (cnt) {
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mediaDevice = devs[0];
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return 1;
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}
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else {
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devs = deviceFind(NULL, DEVICE_TYPE_DISK);
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if (!devs) {
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msgConfirm("No disk devices found!");
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return 0;
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}
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/* Now go chewing through looking for a DOS FAT partition */
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for (i = 0; devs[i]; i++) {
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d = (Disk *)devs[i]->private;
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/* Now try to find a DOS partition */
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for (c1 = d->chunks->part; c1; c1 = c1->next) {
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if (c1->type == fat) {
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/* Got one! */
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mediaDevice = deviceRegister(c1->name, c1->name, c1->name, DEVICE_TYPE_DOS, TRUE,
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mediaInitDOS, mediaGetDOS, mediaCloseDOS, NULL);
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msgDebug("Found a DOS partition %s on drive %s\n", c1->name, d->name);
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break;
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}
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}
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}
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}
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if (!mediaDevice)
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msgConfirm("No DOS primary partitions found! This installation method is unavailable");
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return mediaDevice ? 1 : 0;
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}
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static int
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tapeHook(char *str)
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{
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return genericHook(str, DEVICE_TYPE_TAPE);
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}
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/*
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* Return 1 if we successfully found and set the installation type to
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* be a tape drive.
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*/
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int
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mediaSetTape(char *str)
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{
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Device **devs;
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int cnt;
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devs = deviceFind(NULL, DEVICE_TYPE_TAPE);
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cnt = deviceCount(devs);
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if (!cnt) {
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msgConfirm("No tape drive devices found! Please check that your system's\nconfiguration is correct. For more information, consult the hardware guide\nin the Doc menu.");
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return 0;
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}
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else if (cnt > 1) {
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DMenu *menu;
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menu = deviceCreateMenu(&MenuMediaTape, DEVICE_TYPE_TAPE, tapeHook);
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if (!menu)
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msgFatal("Unable to create tape drive menu! Something is seriously wrong.");
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dmenuOpenSimple(menu);
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free(menu);
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}
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else
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mediaDevice = devs[0];
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return mediaDevice ? 1 : 0;
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}
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/*
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* Return 0 if we successfully found and set the installation type to
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* be an ftp server
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*/
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int
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mediaSetFTP(char *str)
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{
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static Device ftpDevice;
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Device *devp;
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char *cp;
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devp = tcpDeviceSelect();
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if (!devp)
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return 0;
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dmenuOpenSimple(&MenuMediaFTP);
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cp = getenv("ftp");
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if (!cp)
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return 0;
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strcpy(ftpDevice.name, cp);
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ftpDevice.type = DEVICE_TYPE_NETWORK;
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ftpDevice.init = mediaInitFTP;
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ftpDevice.get = mediaGetFTP;
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ftpDevice.close = mediaCloseFTP;
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ftpDevice.private = devp;
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mediaDevice = &ftpDevice;
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return 1;
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}
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/*
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* Return 0 if we successfully found and set the installation type to
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* be some sort of mounted filesystem (it's also mounted at this point)
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*/
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int
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mediaSetFS(char *str)
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{
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return 0;
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}
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int
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mediaOpen(char *parent, char *me)
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{
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char distname[FILENAME_MAX];
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int fd;
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if (parent)
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snprintf(distname, FILENAME_MAX, "%s%s", parent, me);
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else
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snprintf(distname, FILENAME_MAX, "%s/%s", me, me);
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if (mediaDevice->init)
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if ((*mediaDevice->init)(mediaDevice) == FALSE)
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return -1;
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fd = (*mediaDevice->get)(distname);
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return fd;
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}
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void
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mediaClose(void)
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{
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if (mediaDevice->close)
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(*mediaDevice->close)(mediaDevice);
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mediaDevice = NULL;
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}
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Boolean
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mediaExtractDist(char *dir, int fd)
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{
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int i, j, zpid, cpid, pfd[2];
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if (!dir)
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dir = "/";
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j = fork();
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if (!j) {
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chdir(dir);
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pipe(pfd);
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zpid = fork();
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if (!zpid) {
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dup2(fd, 0); close(fd);
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dup2(pfd[1], 1); close(pfd[1]);
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close(pfd[0]);
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i = execl("/stand/gunzip", "/stand/gunzip", 0);
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msgDebug("/stand/gunzip command returns %d status\n", i);
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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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dup2(pfd[0], 0); close(pfd[0]);
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close(fd);
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close(pfd[1]);
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if (DebugFD != -1) {
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dup2(DebugFD, 1);
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dup2(DebugFD, 2);
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}
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else {
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close(1); open("/dev/null", O_WRONLY);
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dup2(1, 2);
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}
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i = execl("/stand/cpio", "/stand/cpio", "-iduvm", "-H", "tar", 0);
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msgDebug("/stand/cpio command returns %d status\n", i);
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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(fd);
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i = waitpid(zpid, &j, 0);
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if (i < 0 || _WSTATUS(j)) {
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dialog_clear();
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msgConfirm("gunzip returned error status of %d!", _WSTATUS(j));
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exit(1);
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}
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i = waitpid(cpid, &j, 0);
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if (i < 0 || _WSTATUS(j)) {
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dialog_clear();
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msgConfirm("cpio returned error status of %d!", _WSTATUS(j));
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exit(2);
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}
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exit(0);
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}
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else
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i = wait(&j);
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if (i < 0 || _WSTATUS(j))
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return FALSE;
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return TRUE;
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}
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Boolean
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mediaGetType(void)
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{
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dmenuOpenSimple(&MenuMedia);
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return TRUE;
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}
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/* Return TRUE if all the media variables are set up correctly */
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Boolean
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mediaVerify(void)
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{
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if (!mediaDevice) {
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msgConfirm("Media type not set! Please select a media type\nfrom the Installation menu before proceeding.");
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return FALSE;
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}
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return TRUE;
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}
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