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/*
* Guillaume Cottenceau (gc@mandrakesoft.com)
*
* Copyright 2000 MandrakeSoft
*
* This software may be freely redistributed under the terms of the GNU
* public license.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/*
* Portions from Erik Troan (ewt@redhat.com)
*
* Copyright 1996 Red Hat Software
*
*/
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include "stage1.h"
#include "frontend.h"
#include "modules.h"
#include "probing.h"
#include "log.h"
#include "mount.h"
#include "lomount.h"
#include "automatic.h"
#include "disk.h"
#include "partition.h"
static char * disk_extract_list_directory(char * direct)
{
char ** full = list_directory(direct);
char tmp[2000] = "";
int i;
for (i=0; i<5 ; i++) {
if (!full || !*full)
break;
strcat(tmp, *full);
strcat(tmp, "\n");
full++;
}
return strdup(tmp);
}
static enum return_type try_with_device(char *dev_name)
{
char * questions_location[] = { "Directory or ISO image", NULL };
char * questions_location_auto[] = { "directory", NULL };
static char ** answers_location = NULL;
char location_full[500];
#ifndef MANDRAKE_MOVE
char * disk_own_mount = "/tmp/hdimage";
#else
char * disk_own_mount = SLASH_LOCATION "/tmp/hdimage";
#endif
char * loopdev = NULL;
char * parts[50];
char * parts_comments[50];
struct stat statbuf;
enum return_type results;
char * choice;
if (list_partitions(dev_name, parts, parts_comments)) {
stg1_error_message("Could not read partitions information.");
return RETURN_ERROR;
}
/* uglyness to allow auto starting with devfs */
if (!IS_AUTOMATIC || streq((choice = get_auto_value("partition")), "")) {
if (parts[0] == NULL) {
stg1_error_message("No partitions found.");
return RETURN_ERROR;
}
results = ask_from_list_comments_auto("Please choose the partition where " DISTRIB_NAME " is copied.",
parts, parts_comments, &choice, "partition", parts);
if (results != RETURN_OK)
return results;
}
#ifdef MANDRAKE_MOVE
mkdir (SLASH_LOCATION "/tmp", 0755);
#endif
if (try_mount(choice, disk_own_mount)) {
stg1_error_message("I can't find a valid filesystem (tried: ext2, vfat, reiserfs).");
return try_with_device(dev_name);
}
if (ask_from_entries_auto("Please enter the directory (or ISO image file) containing the " DISTRIB_NAME " Distribution.",
questions_location, &answers_location, 24, questions_location_auto, NULL) != RETURN_OK) {
umount(disk_own_mount);
return try_with_device(dev_name);
}
strcpy(location_full, disk_own_mount);
strcat(location_full, "/");
strcat(location_full, answers_location[0]);
if (access(location_full, R_OK)) {
stg1_error_message("Directory or ISO image file could not be found on partition.\n"
"Here's a short extract of the files in the root of the partition:\n"
"%s", disk_extract_list_directory(disk_own_mount));
umount(disk_own_mount);
return try_with_device(dev_name);
}
unlink(IMAGE_LOCATION);
if (!stat(location_full, &statbuf) && !S_ISDIR(statbuf.st_mode)) {
log_message("%s exists and is not a directory, assuming this is an ISO image", location_full);
if (lomount(location_full, IMAGE_LOCATION, &loopdev, 0)) {
stg1_error_message("Could not mount file %s as an ISO image of the " DISTRIB_NAME " Distribution.", answers_location[0]);
umount(disk_own_mount);
return try_with_device(dev_name);
}
} else
symlink(location_full, IMAGE_LOCATION);
#ifndef MANDRAKE_MOVE
if (IS_SPECIAL_STAGE2 || ramdisk_possible()) {
/* RAMDISK install */
if (access(IMAGE_LOCATION RAMDISK_LOCATION, R_OK)) {
stg1_error_message("I can't find the " DISTRIB_NAME " Distribution in the specified directory. "
"(I need the subdirectory " RAMDISK_LOCATION ")\n"
"Here's a short extract of the files in the directory:\n"
"%s", disk_extract_list_directory(IMAGE_LOCATION));
del_loop(loopdev);
umount(disk_own_mount);
return try_with_device(dev_name);
}
if (load_ramdisk() != RETURN_OK) {
stg1_error_message("Could not load program into memory.");
del_loop(loopdev);
umount(disk_own_mount);
return try_with_device(dev_name);
}
} else {
#endif
/* LIVE install */
#ifdef MANDRAKE_MOVE
if (access(IMAGE_LOCATION "/live_tree.clp", R_OK)) {
#else
if (access(IMAGE_LOCATION LIVE_LOCATION, R_OK)) {
#endif
stg1_error_message("I can't find the " DISTRIB_NAME " Distribution in the specified directory. "
"(I need the subdirectory " LIVE_LOCATION ")\n"
"Here's a short extract of the files in the directory:\n"
"%s", disk_extract_list_directory(IMAGE_LOCATION));
del_loop(loopdev);
umount(disk_own_mount);
return try_with_device(dev_name);
}
#ifndef MANDRAKE_MOVE
char p;
if (readlink(IMAGE_LOCATION LIVE_LOCATION "/usr/bin/runinstall2", &p, 1) != 1) {
stg1_error_message("The " DISTRIB_NAME " Distribution seems to be copied on a Windows partition. "
"You need more memory to perform an installation from a Windows partition. "
"Another solution if to copy the " DISTRIB_NAME " Distribution on a Linux partition.");
del_loop(loopdev);
umount(disk_own_mount);
return try_with_device(dev_name);
}
log_message("found the " DISTRIB_NAME " Installation, good news!");
}
#endif
if (IS_RESCUE) {
del_loop(loopdev);
umount(disk_own_mount);
}
method_name = strdup("disk");
return RETURN_OK;
}
enum return_type disk_prepare(void)
{
char ** medias, ** medias_models;
char * choice;
int i;
enum return_type results;
int count = get_disks(&medias, &medias_models);
if (count == 0) {
stg1_error_message("No DISK drive found.");
i = ask_insmod(SCSI_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return disk_prepare();
}
if (count == 1) {
results = try_with_device(*medias);
if (results == RETURN_OK)
return RETURN_OK;
i = ask_insmod(SCSI_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return disk_prepare();
}
results = ask_from_list_comments_auto("Please choose the DISK drive on which you copied the " DISTRIB_NAME " Distribution.",
medias, medias_models, &choice, "disk", medias);
if (results != RETURN_OK)
return results;
results = try_with_device(choice);
if (results == RETURN_OK)
return RETURN_OK;
i = ask_insmod(SCSI_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return disk_prepare();
}
int
process_recovery(void)
{
char ** medias, ** medias_models;
int count, i;
log_message("trying the automatic recovery of oem installs");
count = get_disks(&medias, &medias_models);
for (i=0; i<count; i++) {
char * parts[50];
char * parts_comments[50];
char ** part, ** comment;
log_message("examining disk %s (%s)", medias[i], medias_models[i]);
if (list_partitions(medias[i], parts, parts_comments)) {
log_message("could not read partitions information, bailing out");
return 0;
}
part = parts;
comment = parts_comments;
while (part && *part) {
char * disk_own_mount = "/tmp/hdimage";
log_message("examining partition %s (%s)", *part, *comment);
if (try_mount(*part, disk_own_mount))
log_message("couldn't mount it");
else {
FILE *f;
char buf[500];
char location[500];
strcpy(location, disk_own_mount);
strcat(location, "/VERSION");
if (!(f = fopen(location, "rb")) || !fgets(buf, sizeof(buf), f)) {
log_perror("could not fopen or fgets VERSION");
goto examine_next_part;
}
fclose(f);
if (!strstr(buf, VERSION)) {
log_message("mismatching VERSION contents");
goto examine_next_part;
}
strcpy(location, disk_own_mount);
strcat(location, "/Mandrake/base");
if (access(location, R_OK)) {
log_message("Mandrake/base is not here");
goto examine_next_part;
}
log_message("going on with a recovery on disk %s partition %s", medias[i], *part);
symlink(disk_own_mount, IMAGE_LOCATION);
if (ramdisk_possible())
load_ramdisk(); /* if load of ramdisk failed, try to continue in live */
method_name = strdup("disk");
return 1;
}
examine_next_part:
umount(disk_own_mount);
part++;
comment++;
}
}
return 0;
}
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