512 lines
16 KiB
C
512 lines
16 KiB
C
/*
|
|
* cdinstall.c - code to set up cdrom installs
|
|
*
|
|
* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* Author(s): Erik Troan <ewt@redhat.com>
|
|
* Matt Wilson <msw@redhat.com>
|
|
* Michael Fulbright <msf@redhat.com>
|
|
* Jeremy Katz <katzj@redhat.com>
|
|
*/
|
|
|
|
#include <ctype.h>
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <newt.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/ioctl.h>
|
|
#include <unistd.h>
|
|
/* FIXME Remove hack when: https://bugzilla.redhat.com/show_bug.cgi?id=478663
|
|
is resolved */
|
|
/* Hack both __BIG_ENDIAN and __LITTLE_ENDIAN get defined by glibc, the
|
|
kernel headers we need do not like this! */
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
#undef __BIG_ENDIAN
|
|
#else
|
|
#undef __LITTLE_ENDIAN
|
|
#endif
|
|
#include <asm/types.h>
|
|
#include <limits.h>
|
|
#include <linux/cdrom.h>
|
|
|
|
#include "kickstart.h"
|
|
#include "loader.h"
|
|
#include "loadermisc.h"
|
|
#include "log.h"
|
|
#include "lang.h"
|
|
#include "modules.h"
|
|
#include "method.h"
|
|
#include "cdinstall.h"
|
|
#include "mediacheck.h"
|
|
#include "windows.h"
|
|
|
|
#include "../isys/imount.h"
|
|
#include "../isys/isys.h"
|
|
|
|
/* boot flags */
|
|
extern uint64_t flags;
|
|
|
|
/* ejects the CD device the device node points at */
|
|
static void ejectCdrom(char *device) {
|
|
int ejectfd;
|
|
|
|
if (!device) return;
|
|
logMessage(INFO, "ejecting %s...",device);
|
|
if ((ejectfd = open(device, O_RDONLY | O_NONBLOCK, 0)) >= 0) {
|
|
ioctl(ejectfd, CDROM_LOCKDOOR, 0);
|
|
if (ioctl(ejectfd, CDROMEJECT, 0))
|
|
logMessage(ERROR, "eject failed on device %s: %m", device);
|
|
close(ejectfd);
|
|
} else {
|
|
logMessage(ERROR, "could not open device %s: %m", device);
|
|
}
|
|
}
|
|
|
|
static char *cdrom_drive_status(int rc) {
|
|
struct {
|
|
int code;
|
|
char *str;
|
|
} status_codes[] =
|
|
{
|
|
{ CDS_NO_INFO, "CDS_NO_INFO" },
|
|
{ CDS_NO_DISC, "CDS_NO_DISC" },
|
|
{ CDS_TRAY_OPEN, "CDS_TRAY_OPEN" },
|
|
{ CDS_DRIVE_NOT_READY, "CDS_DRIVE_NOT_READY" },
|
|
{ CDS_DISC_OK, "CDS_DISC_OK" },
|
|
{ CDS_AUDIO, "CDS_AUDIO" },
|
|
{ CDS_DATA_1, "CDS_DATA_1" },
|
|
{ CDS_DATA_2, "CDS_DATA_2" },
|
|
{ CDS_XA_2_1, "CDS_XA_2_1" },
|
|
{ CDS_XA_2_2, "CDS_XA_2_2" },
|
|
{ CDS_MIXED, "CDS_MIXED" },
|
|
{ INT_MAX, NULL },
|
|
};
|
|
int i;
|
|
|
|
if (rc < 0)
|
|
return strerror(-rc);
|
|
|
|
for (i = 0; status_codes[i].code != INT_MAX; i++) {
|
|
if (status_codes[i].code == rc)
|
|
return status_codes[i].str;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int waitForCdromTrayClose(int fd) {
|
|
int rc;
|
|
int prev = INT_MAX;
|
|
|
|
do {
|
|
char *status = NULL;
|
|
rc = ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT);
|
|
if (rc < 0)
|
|
rc = -errno;
|
|
|
|
/* only bother to print the status if it changes */
|
|
if (prev == INT_MAX || prev != rc) {
|
|
status = cdrom_drive_status(rc);
|
|
if (status != NULL) {
|
|
logMessage(INFO, "drive status is %s", status);
|
|
} else {
|
|
logMessage(INFO, "drive status is unknown status code %d", rc);
|
|
}
|
|
}
|
|
prev = rc;
|
|
if (rc == CDS_DRIVE_NOT_READY)
|
|
usleep(100000);
|
|
} while (rc == CDS_DRIVE_NOT_READY);
|
|
return rc;
|
|
}
|
|
|
|
static void closeCdromTray(char *device) {
|
|
int fd;
|
|
|
|
if (!device || !*device)
|
|
return;
|
|
|
|
logMessage(INFO, "closing CD tray on %s .", device);
|
|
if ((fd = open(device, O_RDONLY | O_NONBLOCK, 0)) >= 0) {
|
|
if (ioctl(fd, CDROMCLOSETRAY, 0)) {
|
|
logMessage(ERROR, "closetray failed on device %s: %m", device);
|
|
} else {
|
|
waitForCdromTrayClose(fd);
|
|
ioctl(fd, CDROM_LOCKDOOR, 1);
|
|
}
|
|
close(fd);
|
|
} else {
|
|
logMessage(ERROR, "could not open device %s: %m", device);
|
|
}
|
|
}
|
|
|
|
/* Given cd device cddriver, this function will attempt to check its internal
|
|
* checksum.
|
|
*/
|
|
static void mediaCheckCdrom(char *cddriver) {
|
|
int rc;
|
|
int first;
|
|
|
|
first = 1;
|
|
do {
|
|
char *descr;
|
|
char *tstamp;
|
|
int ejectcd;
|
|
|
|
/* init every pass */
|
|
ejectcd = 0;
|
|
descr = NULL;
|
|
|
|
closeCdromTray(cddriver);
|
|
|
|
/* if first time through, see if they want to eject the CD */
|
|
/* currently in the drive (most likely the CD they booted from) */
|
|
/* and test a different disk. Otherwise just test the disk in */
|
|
/* the drive since it was inserted in the previous pass through */
|
|
/* this loop, so they want it tested. */
|
|
if (first) {
|
|
first = 0;
|
|
rc = newtWinChoice(_("Media Check"), _("Test"), _("Eject Disc"),
|
|
_("Choose \"%s\" to test the disc currently in "
|
|
"the drive, or \"%s\" to eject the disc and "
|
|
"insert another for testing."), _("Test"),
|
|
_("Eject Disc"));
|
|
|
|
if (rc == 2)
|
|
ejectcd = 1;
|
|
}
|
|
|
|
if (!ejectcd) {
|
|
/* XXX MSFFIXME: should check return code for error */
|
|
readStampFileFromIso(cddriver, &tstamp, &descr);
|
|
doMediaCheck(cddriver, descr);
|
|
|
|
if (descr)
|
|
free(descr);
|
|
}
|
|
|
|
ejectCdrom(cddriver);
|
|
|
|
rc = newtWinChoice(_("Media Check"), _("Test"), _("Continue"),
|
|
_("If you would like to test additional media, "
|
|
"insert the next disc and press \"%s\". "
|
|
"Testing each disc is not strictly required, however "
|
|
"it is highly recommended. Minimally, the discs should "
|
|
"be tested prior to using them for the first time. "
|
|
"After they have been successfully tested, it is not "
|
|
"required to retest each disc prior to using it again."),
|
|
_("Test"), _("Continue"));
|
|
|
|
if (rc == 2) {
|
|
closeCdromTray(cddriver);
|
|
return;
|
|
} else {
|
|
continue;
|
|
}
|
|
} while (1);
|
|
}
|
|
|
|
/* output an error message when CD in drive is not the correct one */
|
|
/* Used by mountCdromStage2() */
|
|
static void wrongCDMessage(void) {
|
|
newtWinMessage(_("Error"), _("OK"),
|
|
_("The %s disc was not found "
|
|
"in any of your drives. Please insert "
|
|
"the %s disc and press %s to retry."),
|
|
getProductName(), getProductName(), _("OK"));
|
|
}
|
|
|
|
/* ask about doing media check */
|
|
static void queryCDMediaCheck(char *dev, char *location) {
|
|
int rc;
|
|
char *stage2loc;
|
|
|
|
return; // Nobody really checks the DVD before the install! Skip it!
|
|
|
|
/* dont bother to test in automated installs */
|
|
if (FL_KICKSTART(flags) && !FL_MEDIACHECK(flags))
|
|
return;
|
|
|
|
/* see if we should check image(s) */
|
|
/* in rescue mode only test if they explicitly asked to */
|
|
if (!FL_RESCUE(flags) || FL_MEDIACHECK(flags)) {
|
|
startNewt();
|
|
rc = newtWinChoice(_("Disc Found"), _("OK"), _("Skip"),
|
|
_("To begin testing the media before installation press %s.\n\n"
|
|
"Choose %s to skip the media test and start the installation."),
|
|
_("OK"), _("Skip"));
|
|
|
|
if (rc != 2) {
|
|
/* We already mounted the CD earlier to verify there's at least a
|
|
* stage2 image. Now we need to unmount to perform the check, then
|
|
* remount to pretend nothing ever happened.
|
|
*/
|
|
umount(location);
|
|
mediaCheckCdrom(dev);
|
|
|
|
do {
|
|
if (doPwMount(dev, location, "iso9660", "ro", NULL)) {
|
|
ejectCdrom(dev);
|
|
wrongCDMessage();
|
|
continue;
|
|
}
|
|
|
|
checked_asprintf(&stage2loc, "%s/images/install.img",
|
|
location);
|
|
|
|
if (access(stage2loc, R_OK)) {
|
|
free(stage2loc);
|
|
umount(location);
|
|
ejectCdrom(dev);
|
|
wrongCDMessage();
|
|
continue;
|
|
}
|
|
|
|
free(stage2loc);
|
|
break;
|
|
} while (1);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Set up a CD/DVD drive to mount the stage2 image from. If successful, the
|
|
* stage2 image will be left mounted on /mnt/runtime.
|
|
*
|
|
* location: Where to mount the media at (usually /mnt/stage2)
|
|
* loaderData: The usual, can be NULL if no info
|
|
* interactive: Whether or not to prompt about questions/errors
|
|
* mediaCheck: Do we run media check or not?
|
|
*/
|
|
static char *setupCdrom(char *location, struct loaderData_s *loaderData,
|
|
int interactive, int mediaCheck) {
|
|
int i, rc;
|
|
int stage2inram = 0;
|
|
char *retbuf = NULL, *stage2loc, *stage2img;
|
|
struct device ** devices;
|
|
char *cddev = NULL;
|
|
|
|
devices = getDevices(DEVICE_CDROM);
|
|
if (!devices) {
|
|
logMessage(ERROR, "got to setupCdrom without a CD device");
|
|
return NULL;
|
|
}
|
|
|
|
checked_asprintf(&stage2loc, "%s/images/install.img", location);
|
|
|
|
/* JKFIXME: ASSERT -- we have a cdrom device when we get here */
|
|
do {
|
|
for (i = 0; devices[i]; i++) {
|
|
char *tmp = NULL;
|
|
int fd;
|
|
|
|
if (!devices[i]->device)
|
|
continue;
|
|
|
|
if (strncmp("/dev/", devices[i]->device, 5)) {
|
|
checked_asprintf(&tmp, "/dev/%s", devices[i]->device);
|
|
|
|
free(devices[i]->device);
|
|
devices[i]->device = tmp;
|
|
}
|
|
|
|
logMessage(INFO, "trying to mount CD device %s on %s",
|
|
devices[i]->device, location);
|
|
|
|
if (!FL_CMDLINE(flags))
|
|
winStatus(60, 3, _("Scanning"), _("Looking for installation images on CD device %s\n"), devices[i]->device);
|
|
else
|
|
printf(_("Looking for installation images on CD device %s"), devices[i]->device);
|
|
|
|
fd = open(devices[i]->device, O_RDONLY | O_NONBLOCK);
|
|
if (fd < 0) {
|
|
logMessage(ERROR, "Couldn't open %s: %m", devices[i]->device);
|
|
if (!FL_CMDLINE(flags))
|
|
newtPopWindow();
|
|
continue;
|
|
}
|
|
|
|
rc = waitForCdromTrayClose(fd);
|
|
close(fd);
|
|
switch (rc) {
|
|
case CDS_NO_INFO:
|
|
logMessage(ERROR, "Drive tray reports CDS_NO_INFO");
|
|
break;
|
|
case CDS_NO_DISC:
|
|
if (!FL_CMDLINE(flags))
|
|
newtPopWindow();
|
|
continue;
|
|
case CDS_TRAY_OPEN:
|
|
logMessage(ERROR, "Drive tray reports open when it should be closed");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (!FL_CMDLINE(flags))
|
|
newtPopWindow();
|
|
|
|
if (!(rc=doPwMount(devices[i]->device, location, "iso9660", "ro", NULL))) {
|
|
cddev = devices[i]->device;
|
|
if (!access(stage2loc, R_OK)) {
|
|
char *updpath;
|
|
|
|
if (mediaCheck)
|
|
queryCDMediaCheck(devices[i]->device, location);
|
|
|
|
/* if in rescue mode lets copy stage 2 into RAM so we can */
|
|
/* free up the CD drive and user can have it avaiable to */
|
|
/* aid system recovery. */
|
|
if (FL_RESCUE(flags) && !FL_TEXT(flags) &&
|
|
totalMemory() > MIN_GUI_RAM ) {
|
|
rc = copyFile(stage2loc, "/tmp/install.img");
|
|
stage2img = strdup("/tmp/install.img");
|
|
stage2inram = 1;
|
|
} else {
|
|
stage2img = strdup(stage2loc);
|
|
stage2inram = 0;
|
|
}
|
|
|
|
rc = mountStage2(stage2img);
|
|
free(stage2img);
|
|
|
|
if (rc) {
|
|
logMessage(INFO, "mounting stage2 failed");
|
|
umount(location);
|
|
continue;
|
|
}
|
|
|
|
checked_asprintf(&updpath, "%s/images/updates.img", location);
|
|
|
|
logMessage(INFO, "Looking for updates in %s", updpath);
|
|
copyUpdatesImg(updpath);
|
|
free(updpath);
|
|
|
|
checked_asprintf(&updpath, "%s/images/product.img", location);
|
|
|
|
logMessage(INFO, "Looking for product in %s", updpath);
|
|
copyProductImg(updpath);
|
|
free(updpath);
|
|
|
|
/* if in rescue mode and we copied stage2 to RAM */
|
|
/* we can now unmount the CD */
|
|
if (FL_RESCUE(flags) && stage2inram) {
|
|
umount(location);
|
|
}
|
|
|
|
checked_asprintf(&retbuf, "cdrom://%s:%s",
|
|
devices[i]->device, location);
|
|
} else {
|
|
/* this wasnt the CD we were looking for, clean up and */
|
|
/* try the next CD drive */
|
|
umount(location);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!retbuf) {
|
|
if (interactive) {
|
|
char * buf;
|
|
|
|
checked_asprintf(&buf, _("The %s disc was not found in any of your "
|
|
"CDROM drives. Please insert the %s disc "
|
|
"and press %s to retry."),
|
|
getProductName(), getProductName(), _("OK"));
|
|
|
|
ejectCdrom(cddev);
|
|
rc = newtWinChoice(_("Disc Not Found"),
|
|
_("OK"), _("Back"), buf, _("OK"));
|
|
free(buf);
|
|
if (rc == 2)
|
|
goto err;
|
|
} else {
|
|
/* we can't ask them about it, so just return not found */
|
|
goto err;
|
|
}
|
|
}
|
|
} while (!retbuf);
|
|
|
|
err:
|
|
free(stage2loc);
|
|
return retbuf;
|
|
}
|
|
|
|
/* try to find a install CD non-interactively */
|
|
char * findAnacondaCD(char *location) {
|
|
return setupCdrom(location, NULL, 0, 1);
|
|
}
|
|
|
|
/* look for a CD and mount it. if we have problems, ask */
|
|
char * mountCdromImage(struct installMethod * method,
|
|
char * location, struct loaderData_s * loaderData) {
|
|
return setupCdrom(location, loaderData, 1, 1);
|
|
}
|
|
|
|
void setKickstartCD(struct loaderData_s * loaderData, int argc, char ** argv) {
|
|
|
|
logMessage(INFO, "kickstartFromCD");
|
|
loaderData->method = METHOD_CDROM;
|
|
}
|
|
|
|
int kickstartFromCD(char *kssrc) {
|
|
int rc, i;
|
|
char *p, *kspath;
|
|
struct device ** devices;
|
|
|
|
logMessage(INFO, "getting kickstart file from first CDROM");
|
|
|
|
devices = getDevices(DEVICE_CDROM);
|
|
/* usb can take some time to settle, even with the various hacks we
|
|
* have in place. some systems use portable USB CD-ROM drives, try to
|
|
* make sure there really isn't one before bailing */
|
|
for (i = 0; !devices && i < 10; ++i) {
|
|
logMessage(INFO, "sleeping to wait for a USB CD-ROM");
|
|
sleep(2);
|
|
devices = getDevices(DEVICE_CDROM);
|
|
}
|
|
if (!devices) {
|
|
logMessage(ERROR, "No CDROM devices found!");
|
|
return 1;
|
|
}
|
|
|
|
/* format is cdrom:[/path/to/ks.cfg] */
|
|
kspath = "";
|
|
p = strchr(kssrc, ':');
|
|
if (p)
|
|
kspath = p + 1;
|
|
|
|
if (!p || strlen(kspath) < 1)
|
|
kspath = "/ks.cfg";
|
|
|
|
for (i=0; devices[i]; i++) {
|
|
if (!devices[i]->device)
|
|
continue;
|
|
|
|
rc = getKickstartFromBlockDevice(devices[i]->device, kspath);
|
|
if (rc == 0)
|
|
return 0;
|
|
}
|
|
|
|
startNewt();
|
|
newtWinMessage(_("Error"), _("OK"),
|
|
_("Cannot find kickstart file on CDROM."));
|
|
return 1;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 et */
|