freebsd-dev/usr.sbin/sysinstall/media.c
Jordan K. Hubbard 23cb914708 1. Start syncing up the network strategy code so that folks like Poul and
Justin can see it.

2. Attempt to fix the redisplay problems in label.c some more.  Not clearing
   the screen each time is certainly faster, but it's causing all sorts of
   problems.
1995-05-21 15:40:54 +00:00

389 lines
9.5 KiB
C

/*
* The new sysinstall program.
*
* This is probably the last attempt in the `sysinstall' line, the next
* generation being slated to essentially a complete rewrite.
*
* $Id: media.c,v 1.11 1995/05/20 11:13:58 jkh Exp $
*
* Copyright (c) 1995
* Jordan Hubbard. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jordan Hubbard
* for the FreeBSD Project.
* 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <stdio.h>
#include <sys/errno.h>
#include <sys/fcntl.h>
#include <sys/wait.h>
#include <unistd.h>
#include "sysinstall.h"
static int
genericHook(char *str, DeviceType type)
{
Device **devs;
/* Clip garbage off the ends */
string_prune(str);
str = string_skipwhite(str);
if (!*str)
return 0;
devs = deviceFind(str, type);
if (devs)
mediaDevice = devs[0];
return devs ? 1 : 0;
}
static int
cdromHook(char *str)
{
return genericHook(str, DEVICE_TYPE_CDROM);
}
/*
* Return 1 if we successfully found and set the installation type to
* be a CD.
*/
int
mediaSetCDROM(char *str)
{
Device **devs;
int cnt;
if (OnCDROM == TRUE) {
static Device bootCD;
/* This may need to be extended a little, but the basic idea is sound */
strcpy(bootCD.name, "bootCD");
bootCD.type = DEVICE_TYPE_CDROM;
bootCD.init = NULL;
bootCD.get = mediaGetCDROM;
bootCD.close = NULL;
mediaDevice = &bootCD;
return 1;
}
else {
devs = deviceFind(NULL, DEVICE_TYPE_CDROM);
cnt = deviceCount(devs);
if (!cnt) {
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.");
return 0;
}
else if (cnt > 1) {
DMenu *menu;
menu = deviceCreateMenu(&MenuMediaCDROM, DEVICE_TYPE_CDROM, cdromHook);
if (!menu)
msgFatal("Unable to create CDROM menu! Something is seriously wrong.");
dmenuOpenSimple(menu);
free(menu);
}
else
mediaDevice = devs[0];
}
return mediaDevice ? 1 : 0;
}
static int
floppyHook(char *str)
{
return genericHook(str, DEVICE_TYPE_FLOPPY);
}
/*
* Return 1 if we successfully found and set the installation type to
* be a floppy
*/
int
mediaSetFloppy(char *str)
{
Device **devs;
int cnt;
devs = deviceFind(NULL, DEVICE_TYPE_FLOPPY);
cnt = deviceCount(devs);
if (!cnt) {
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.");
return 0;
}
else if (cnt > 1) {
DMenu *menu;
menu = deviceCreateMenu(&MenuMediaFloppy, DEVICE_TYPE_FLOPPY, floppyHook);
if (!menu)
msgFatal("Unable to create Floppy menu! Something is seriously wrong.");
dmenuOpenSimple(menu);
free(menu);
}
else
mediaDevice = devs[0];
return mediaDevice ? 1 : 0;
}
static int
DOSHook(char *str)
{
return genericHook(str, DEVICE_TYPE_DOS);
}
/*
* Return 1 if we successfully found and set the installation type to
* be a DOS partition.
*/
int
mediaSetDOS(char *str)
{
Device **devs;
Disk *d;
Chunk *c1;
int i, cnt;
devs = deviceFind(NULL, DEVICE_TYPE_DOS);
cnt = deviceCount(devs);
if (cnt > 1) {
DMenu *menu;
menu = deviceCreateMenu(&MenuMediaDOS, DEVICE_TYPE_DOS, DOSHook);
if (!menu)
msgFatal("Unable to create DOS menu! Something is seriously wrong.");
dmenuOpenSimple(menu);
free(menu);
}
else if (cnt) {
mediaDevice = devs[0];
return 1;
}
else {
devs = deviceFind(NULL, DEVICE_TYPE_DISK);
if (!devs) {
msgConfirm("No disk devices found!");
return 0;
}
/* Now go chewing through looking for a DOS FAT partition */
for (i = 0; devs[i]; i++) {
d = (Disk *)devs[i]->private;
/* Now try to find a DOS partition */
for (c1 = d->chunks->part; c1; c1 = c1->next) {
if (c1->type == fat) {
/* Got one! */
mediaDevice = deviceRegister(c1->name, c1->name, c1->name, DEVICE_TYPE_DOS, TRUE,
mediaInitDOS, mediaGetDOS, mediaCloseDOS, NULL);
msgDebug("Found a DOS partition %s on drive %s\n", c1->name, d->name);
break;
}
}
}
}
if (!mediaDevice)
msgConfirm("No DOS primary partitions found! This installation method is unavailable");
return mediaDevice ? 1 : 0;
}
static int
tapeHook(char *str)
{
return genericHook(str, DEVICE_TYPE_TAPE);
}
/*
* Return 1 if we successfully found and set the installation type to
* be a tape drive.
*/
int
mediaSetTape(char *str)
{
Device **devs;
int cnt;
devs = deviceFind(NULL, DEVICE_TYPE_TAPE);
cnt = deviceCount(devs);
if (!cnt) {
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.");
return 0;
}
else if (cnt > 1) {
DMenu *menu;
menu = deviceCreateMenu(&MenuMediaTape, DEVICE_TYPE_TAPE, tapeHook);
if (!menu)
msgFatal("Unable to create tape drive menu! Something is seriously wrong.");
dmenuOpenSimple(menu);
free(menu);
}
else
mediaDevice = devs[0];
return mediaDevice ? 1 : 0;
}
/*
* Return 0 if we successfully found and set the installation type to
* be an ftp server
*/
int
mediaSetFTP(char *str)
{
static Device ftpDevice;
Device *devp;
char *cp;
devp = tcpDeviceSelect();
if (!devp)
return 0;
dmenuOpenSimple(&MenuMediaFTP);
cp = getenv("ftp");
if (!cp)
return 0;
strcpy(ftpDevice.name, cp);
ftpDevice.type = DEVICE_TYPE_NETWORK;
ftpDevice.init = mediaInitFTP;
ftpDevice.get = mediaGetFTP;
ftpDevice.close = mediaCloseFTP;
ftpDevice.private = devp;
mediaDevice = &ftpDevice;
return 1;
}
/*
* Return 0 if we successfully found and set the installation type to
* be some sort of mounted filesystem (it's also mounted at this point)
*/
int
mediaSetFS(char *str)
{
return 0;
}
int
mediaOpen(char *parent, char *me)
{
char distname[FILENAME_MAX];
int fd;
if (parent)
snprintf(distname, FILENAME_MAX, "%s%s", parent, me);
else
snprintf(distname, FILENAME_MAX, "%s/%s", me, me);
if (mediaDevice->init)
(*mediaDevice->init)(mediaDevice);
fd = (*mediaDevice->get)(distname);
return fd;
}
void
mediaClose(void)
{
if (mediaDevice->close)
(*mediaDevice->close)(mediaDevice);
mediaDevice = NULL;
}
Boolean
mediaExtractDist(char *dir, int fd)
{
int i, j, zpid, cpid, pfd[2];
if (!dir)
dir = "/";
j = fork();
if (!j) {
chdir(dir);
pipe(pfd);
zpid = fork();
if (!zpid) {
dup2(fd, 0); close(fd);
dup2(pfd[1], 1); close(pfd[1]);
close(pfd[0]);
i = execl("/stand/gunzip", "/stand/gunzip", 0);
msgDebug("/stand/gunzip command returns %d status\n", i);
exit(i);
}
cpid = fork();
if (!cpid) {
dup2(pfd[0], 0); close(pfd[0]);
close(fd);
close(pfd[1]);
if (DebugFD != -1) {
dup2(DebugFD, 1);
dup2(DebugFD, 2);
}
else {
close(1); open("/dev/null", O_WRONLY);
dup2(1, 2);
}
i = execl("/stand/cpio", "/stand/cpio", "-iduvm", "-H", "tar", 0);
msgDebug("/stand/cpio command returns %d status\n", i);
exit(i);
}
close(pfd[0]);
close(pfd[1]);
close(fd);
i = waitpid(zpid, &j, 0);
if (i < 0 || _WSTATUS(j)) {
dialog_clear();
msgConfirm("gunzip returned error status of %d!", _WSTATUS(j));
exit(1);
}
i = waitpid(cpid, &j, 0);
if (i < 0 || _WSTATUS(j)) {
dialog_clear();
msgConfirm("cpio returned error status of %d!", _WSTATUS(j));
exit(2);
}
exit(0);
}
else
i = wait(&j);
if (i < 0 || _WSTATUS(j))
return FALSE;
return TRUE;
}
Boolean
mediaGetType(void)
{
dmenuOpenSimple(&MenuMedia);
return TRUE;
}
/* Return TRUE if all the media variables are set up correctly */
Boolean
mediaVerify(void)
{
if (!mediaDevice) {
msgConfirm("Media type not set! Please select a media type\nfrom the Installation menu before proceeding.");
return FALSE;
}
return TRUE;
}