/*
* driverdisk.c - driver disk functionality
*
* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 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): Jeremy Katz <katzj@redhat.com>
*/
#include <errno.h>
#include <fcntl.h>
#include <newt.h>
#include <popt.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include "copy.h"
#include "loader.h"
#include "log.h"
#include "loadermisc.h"
#include "lang.h"
#include "fwloader.h"
#include "method.h"
#include "modules.h"
#include "moduleinfo.h"
#include "windows.h"
#include "hardware.h"
#include "driverdisk.h"
#include "getparts.h"
#include "dirbrowser.h"
#include "nfsinstall.h"
#include "urlinstall.h"
#include "../isys/isys.h"
#include "../isys/imount.h"
#include "../isys/eddsupport.h"
/* boot flags */
extern uint64_t flags;
static char * driverDiskFiles[] = { "modinfo", "modules.dep",
"modules.cgz", "modules.alias", NULL };
char *ddFsTypes[] = {"vfat", "ext2", "iso9660", NULL};
static int verifyDriverDisk(char *mntpt) {
char ** fnPtr;
char file[200];
struct stat sb;
for (fnPtr = driverDiskFiles; *fnPtr; fnPtr++) {
sprintf(file, "%s/%s", mntpt, *fnPtr);
if (access(file, R_OK)) {
logMessage(ERROR, "cannot find %s, bad driver disk", file);
return LOADER_BACK;
}
}
/* check for both versions */
sprintf(file, "%s/rhdd", mntpt);
if (access(file, R_OK)) {
logMessage(DEBUGLVL, "not a new format driver disk, checking for old");
sprintf(file, "%s/rhdd-6.1", mntpt);
if (access(file, R_OK)) {
logMessage(ERROR, "can't find either driver disk identifier, bad "
"driver disk");
}
}
/* side effect: file is still mntpt/ddident */
stat(file, &sb);
if (!sb.st_size)
return LOADER_BACK;
return LOADER_OK;
}
static void copyWarnFn (char *msg) {
logMessage(WARNING, msg);
}
static void copyErrorFn (char *msg) {
newtWinMessage(_("Error"), _("OK"), _(msg));
}
/* this copies the contents of the driver disk to a ramdisk and loads
* the moduleinfo, etc. assumes a "valid" driver disk mounted at mntpt */
static int loadDriverDisk(struct loaderData_s *loaderData, char *mntpt) {
moduleInfoSet modInfo = loaderData->modInfo;
char file[200], dest[200];
char *title;
char *fwdir = NULL;
struct moduleBallLocation * location;
struct stat sb;
static int disknum = 0;
int version = 1;
int fd, ret;
/* check for both versions */
sprintf(file, "%s/rhdd", mntpt);
if (access(file, R_OK)) {
version = 0;
sprintf(file, "%s/rhdd-6.1", mntpt);
if (access(file, R_OK)) {
/* this can't happen, we already verified it! */
return LOADER_BACK;
}
}
stat(file, &sb);
title = malloc(sb.st_size + 1);
fd = open(file, O_RDONLY);
ret = read(fd, title, sb.st_size);
if (title[sb.st_size - 1] == '\n')
sb.st_size--;
title[sb.st_size] = '\0';
close(fd);
sprintf(file, "/tmp/DD-%d", disknum);
mkdirChain(file);
if (!FL_CMDLINE(flags)) {
startNewt();
winStatus(40, 3, _("Loading"), _("Reading driver disk..."));
}
sprintf(dest, "/tmp/DD-%d", disknum);
copyDirectory(mntpt, dest, copyWarnFn, copyErrorFn);
location = malloc(sizeof(struct moduleBallLocation));
location->title = strdup(title);
location->version = version;
if (asprintf(&location->path, "/tmp/DD-%d/modules.cgz", disknum) == -1) {
logMessage(CRITICAL, "%s: %d: %m", __func__, __LINE__);
abort();
}
if (asprintf(&fwdir, "/tmp/DD-%d/firmware", disknum) == -1) {
logMessage(CRITICAL, "%s: %d: %m", __func__, __LINE__);
abort();
}
if (!access(fwdir, R_OK|X_OK)) {
add_fw_search_dir(loaderData, fwdir);
stop_fw_loader(loaderData);
start_fw_loader(loaderData);
}
free(fwdir);
sprintf(file, "%s/modinfo", mntpt);
readModuleInfo(file, modInfo, location, 1);
if (!FL_CMDLINE(flags))
newtPopWindow();
disknum++;
return 0;
}
/* Get the list of removable devices (floppy/cdrom) available. Used to
* find suitable devices for update disk / driver disk source.
* Returns the number of devices. ***devNames will be a NULL-terminated list
* of device names
*/
int getRemovableDevices(char *** devNames) {
struct device **devs;
int numDevices = 0;
int i = 0;
devs = getDevices(DEVICE_DISK | DEVICE_CDROM);
for (i = 0; devs[i] ; i++) {
if (devs[i]->priv.removable) {
*devNames = realloc(*devNames, (numDevices + 2) * sizeof(char *));
(*devNames)[numDevices] = strdup(devs[i]->device);
(*devNames)[numDevices+1] = NULL;
numDevices ++;
}
}
if (!numDevices) {
logMessage(ERROR, "no devices found to load drivers from");
}
return numDevices;
}
/* Prompt for loading a driver from "media"
*
* class: type of driver to load.
* usecancel: if 1, use cancel instead of back
*/
int loadDriverFromMedia(int class, struct loaderData_s *loaderData,
int usecancel, int noprobe) {
char * device = NULL, * part = NULL, * ddfile = NULL;
char ** devNames = NULL;
enum { DEV_DEVICE, DEV_PART, DEV_CHOOSEFILE, DEV_LOADFILE,
DEV_INSERT, DEV_LOAD, DEV_PROBE,
DEV_DONE } stage = DEV_DEVICE;
int rc, num = 0;
int dir = 1;
int found = 0, before = 0;
while (stage != DEV_DONE) {
switch(stage) {
case DEV_DEVICE:
rc = getRemovableDevices(&devNames);
if (rc == 0)
return LOADER_BACK;
/* we don't need to ask which to use if they only have one */
if (rc == 1) {
device = strdup(devNames[0]);
free(devNames);
if (dir == -1)
return LOADER_BACK;
stage = DEV_PART;
break;
}
dir = 1;
startNewt();
rc = newtWinMenu(_("Driver Disk Source"),
_("You have multiple devices which could serve "
"as sources for a driver disk. Which would "
"you like to use?"), 40, 10, 10,
rc < 6 ? rc : 6, devNames,
&num, _("OK"),
(usecancel) ? _("Cancel") : _("Back"), NULL);
if (rc == 2) {
free(devNames);
return LOADER_BACK;
}
device = strdup(devNames[num]);
free(devNames);
stage = DEV_PART;
case DEV_PART: {
char ** part_list = getPartitionsList(device);
int nump = 0, num = 0;
if (part != NULL) free(part);
if ((nump = lenPartitionsList(part_list)) == 0) {
if (dir == -1)
stage = DEV_DEVICE;
else
stage = DEV_INSERT;
break;
}
dir = 1;
startNewt();
rc = newtWinMenu(_("Driver Disk Source"),
_("There are multiple partitions on this device "
"which could contain the driver disk image. "
"Which would you like to use?"), 40, 10, 10,
nump < 6 ? nump : 6, part_list, &num, _("OK"),
_("Back"), NULL);
if (rc == 2) {
freePartitionsList(part_list);
stage = DEV_DEVICE;
dir = -1;
break;
}
part = strdup(part_list[num]);
stage = DEV_CHOOSEFILE;
}
case DEV_CHOOSEFILE: {
if (part == NULL) {
logMessage(ERROR, "somehow got to choosing file with a NULL part, going back");
stage = DEV_PART;
break;
}
/* make sure nothing is mounted when we get here */
num = umount("/tmp/dpart");
if (num == -1) {
logMessage(ERROR, "error unmounting: %m");
if ((errno != EINVAL) && (errno != ENOENT))
exit(1);
}
logMessage(INFO, "trying to mount %s as partition", part);
if (doMultiMount(part, "/tmp/dpart", ddFsTypes, "ro", NULL)) {
newtWinMessage(_("Error"), _("OK"),
_("Failed to mount partition."));
stage = DEV_PART;
break;
}
ddfile = newt_select_file(_("Select driver disk image"),
_("Select the file which is your driver "
"disk image."),
"/tmp/dpart", NULL);
if (ddfile == NULL) {
umount("/tmp/dpart");
stage = DEV_PART;
dir = -1;
break;
}
dir = 1;
stage = DEV_LOADFILE;
}
case DEV_LOADFILE: {
if(ddfile == NULL) {
logMessage(DEBUGLVL, "trying to load dd from NULL");
stage = DEV_CHOOSEFILE;
break;
}
if (dir == -1) {
umountLoopback("/tmp/drivers", "/dev/loop6");
unlink("/tmp/drivers");
ddfile = NULL;
stage = DEV_CHOOSEFILE;
break;
}
if (mountLoopback(ddfile, "/tmp/drivers", "/dev/loop6")) {
newtWinMessage(_("Error"), _("OK"),
_("Failed to load driver disk from file."));
stage = DEV_CHOOSEFILE;
break;
}
stage = DEV_LOAD;
break;
}
case DEV_INSERT: {
char * buf;
if (asprintf(&buf,
_("Insert your driver disk into /dev/%s "
"and press \"OK\" to continue."), device) == -1) {
logMessage(CRITICAL, "%s: %d: %m", __func__, __LINE__);
abort();
}
rc = newtWinChoice(_("Insert Driver Disk"), _("OK"), _("Back"),
buf);
free(buf);
if (rc == 2) {
stage = DEV_DEVICE;
dir = -1;
break;
}
dir = 1;
logMessage(INFO, "trying to mount %s", device);
if (doMultiMount(device, "/tmp/drivers", ddFsTypes, "ro", NULL)) {
newtWinMessage(_("Error"), _("OK"),
_("Failed to mount driver disk."));
stage = DEV_INSERT;
break;
}
rc = verifyDriverDisk("/tmp/drivers");
if (rc == LOADER_BACK) {
newtWinMessage(_("Error"), _("OK"),
_("Driver disk is invalid for this "
"release of %s."), getProductName());
umount("/tmp/drivers");
stage = DEV_INSERT;
break;
}
stage = DEV_LOAD;
break;
}
case DEV_LOAD: {
struct device ** devices;
before = 0;
found = 0;
devices = getDevices(class);
if (devices)
for(; devices[before]; before++);
rc = loadDriverDisk(loaderData, "/tmp/drivers");
umount("/tmp/drivers");
if (rc == LOADER_BACK) {
dir = -1;
if (ddfile != NULL)
stage = DEV_CHOOSEFILE;
else
stage = DEV_INSERT;
break;
}
/* fall through to probing */
stage = DEV_PROBE;
if (ddfile != NULL) {
umountLoopback("/tmp/drivers", "/dev/loop6");
unlink("/tmp/drivers");
umount("/tmp/dpart");
}
}
case DEV_PROBE: {
struct device ** devices;
/* if they didn't specify that we should probe, then we should
* just fall out */
if (noprobe) {
stage = DEV_DONE;
break;
}
busProbe(0);
devices = getDevices(class);
if (devices)
for(; devices[found]; found++);
if (found > before) {
stage = DEV_DONE;
break;
}
/* we don't have any more modules of the proper class. ask
* them to manually load */
rc = newtWinTernary(_("Error"), _("Manually choose"),
_("Continue"), _("Load another disk"),
_("No devices of the appropriate type were "
"found on this driver disk. Would you "
"like to manually select the driver, "
"continue anyway, or load another "
"driver disk?"));
if (rc == 2) {
/* if they choose to continue, just go ahead and continue */
stage = DEV_DONE;
} else if (rc == 3) {
/* if they choose to load another disk, back to the
* beginning with them */
stage = DEV_DEVICE;
} else {
rc = chooseManualDriver(class, loaderData);
/* if they go back from a manual driver, we'll ask again.
* if they load something, assume it's what we need */
if (rc == LOADER_OK) {
stage = DEV_DONE;
}
}
break;
}
case DEV_DONE:
break;
}
}
return LOADER_OK;
}
/* looping way to load driver disks */
int loadDriverDisks(int class, struct loaderData_s *loaderData) {
int rc;
rc = newtWinChoice(_("Driver disk"), _("Yes"), _("No"),
_("Do you have a driver disk?"));
if (rc != 1)
return LOADER_OK;
rc = loadDriverFromMedia(DEVICE_ANY, loaderData, 1, 0);
if (rc == LOADER_BACK)
return LOADER_OK;
do {
rc = newtWinChoice(_("More Driver Disks?"), _("Yes"), _("No"),
_("Do you wish to load any more driver disks?"));
if (rc != 1)
break;
loadDriverFromMedia(DEVICE_ANY, loaderData, 0, 0);
} while (1);
return LOADER_OK;
}
static void loadFromLocation(struct loaderData_s * loaderData, char * dir) {
if (verifyDriverDisk(dir) == LOADER_BACK) {
logMessage(ERROR, "not a valid driver disk");
return;
}
loadDriverDisk(loaderData, dir);
busProbe(0);
}
void getDDFromSource(struct loaderData_s * loaderData, char * src) {
char *path = "/tmp/dd.img";
int unlinkf = 0;
if (!strncmp(src, "nfs:", 4)) {
unlinkf = 1;
if (getFileFromNfs(src + 4, "/tmp/dd.img", loaderData)) {
logMessage(ERROR, "unable to retrieve driver disk: %s", src);
return;
}
} else if (!strncmp(src, "ftp://", 6) || !strncmp(src, "http://", 7)) {
unlinkf = 1;
if (getFileFromUrl(src, "/tmp/dd.img", loaderData)) {
logMessage(ERROR, "unable to retrieve driver disk: %s", src);
return;
}
/* FIXME: this is a hack so that you can load a driver disk from, eg,
* scsi cdrom drives */
#if !defined(__s390__) && !defined(__s390x__)
} else if (!strncmp(src, "cdrom", 5)) {
loadDriverDisks(DEVICE_ANY, loaderData);
return;
#endif
} else if (!strncmp(src, "path:", 5)) {
path = src + 5;
} else {
newtWinMessage(_("Kickstart Error"), _("OK"),
_("Unknown driver disk kickstart source: %s"), src);
return;
}
if (!mountLoopback(path, "/tmp/drivers", "/dev/loop6")) {
loadFromLocation(loaderData, "/tmp/drivers");
umountLoopback("/tmp/drivers", "/dev/loop6");
unlink("/tmp/drivers");
if (unlinkf) unlink(path);
}
}
static void getDDFromDev(struct loaderData_s * loaderData, char * dev,
char * fstype);
void useKickstartDD(struct loaderData_s * loaderData,
int argc, char ** argv) {
char * fstype = NULL;
char * dev = NULL;
char * src = NULL;
char * biospart = NULL, * p = NULL;
int usebiosdev = 0;
poptContext optCon;
int rc;
struct poptOption ksDDOptions[] = {
{ "type", '\0', POPT_ARG_STRING, &fstype, 0, NULL, NULL },
{ "source", '\0', POPT_ARG_STRING, &src, 0, NULL, NULL },
{ "biospart", '\0', POPT_ARG_NONE, &usebiosdev, 0, NULL, NULL },
{ 0, 0, 0, 0, 0, 0, 0 }
};
optCon = poptGetContext(NULL, argc, (const char **) argv, ksDDOptions, 0);
if ((rc = poptGetNextOpt(optCon)) < -1) {
newtWinMessage(_("Kickstart Error"), _("OK"),
_("The following invalid argument was specified for "
"the kickstart driver disk command: %s:%s"),
poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
poptStrerror(rc));
return;
}
dev = (char *) poptGetArg(optCon);
if (!dev && !src) {
logMessage(ERROR, "bad arguments to kickstart driver disk command");
return;
}
if (usebiosdev != 0) {
p = strchr(dev,'p');
if (!p){
logMessage(ERROR, "Bad argument for biospart");
return;
}
*p = '\0';
biospart = getBiosDisk(dev);
if (biospart == NULL) {
logMessage(ERROR, "Unable to locate BIOS dev %s",dev);
return;
}
dev = malloc(strlen(biospart) + strlen(p + 1) + 2);
sprintf(dev, "%s%s", biospart, p + 1);
}
if (dev) {
return getDDFromDev(loaderData, dev, fstype);
} else {
return getDDFromSource(loaderData, src);
}
}
static void getDDFromDev(struct loaderData_s * loaderData, char * dev,
char * fs) {
if (fs) {
if (doPwMount(dev, "/tmp/drivers", fs, "ro", NULL)) {
logMessage(ERROR, "unable to mount %s as %s", dev, fs);
return;
}
} else if (doMultiMount(dev, "/tmp/drivers", ddFsTypes, "ro", NULL)) {
logMessage(ERROR, "unable to mount driver disk %s", dev);
return;
}
loadFromLocation(loaderData, "/tmp/drivers");
umount("/tmp/drivers");
unlink("/tmp/drivers");
}