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/*
* Guillaume Cottenceau (gc)
*
* Copyright 2000 Mandriva
*
* 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
*
*/
#define _GNU_SOURCE /* We want the non segfaulting my_dirname() -- See dirname(3) */
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <libgen.h>
#include "stage1.h"
#include "frontend.h"
#include "modules.h"
#include "probing.h"
#include "log.h"
#include "tools.h"
#include "utils.h"
#include "mount.h"
#include "automatic.h"
#include "directory.h"
#include "partition.h"
#include "disk.h"
static enum return_type try_automatic_with_partition(char *dev) {
enum return_type results;
int mounted;
wait_message("Trying to access " DISTRIB_NAME " disk (partition %s)", dev);
mounted = !try_mount(dev, MEDIA_LOCATION);
remove_wait_message();
if (mounted) {
create_IMAGE_LOCATION(MEDIA_LOCATION);
if (image_has_stage2()) {
results = try_with_directory(MEDIA_LOCATION, "disk", "disk-iso");
if (results == RETURN_OK) {
if (!KEEP_MOUNTED)
umount(MEDIA_LOCATION);
return RETURN_OK;
}
}
}
if (mounted)
umount(MEDIA_LOCATION);
return RETURN_ERROR;
}
static enum return_type try_automatic_with_disk(char *disk, char *model) {
char * parts[50];
char * parts_comments[50];
enum return_type results;
char **dev;
wait_message("Trying to access " DISTRIB_NAME " disk (drive %s)", model);
if (list_partitions(disk, parts, parts_comments)) {
stg1_error_message("Could not read partitions information.");
return RETURN_ERROR;
}
remove_wait_message();
dev = parts;
while (dev && *dev) {
results = try_automatic_with_partition(*dev);
if (results == RETURN_OK) {
return RETURN_OK;
}
dev++;
}
return RETURN_ERROR;
}
static enum return_type try_automatic(char ** medias, char ** medias_models)
{
char ** model = medias_models;
char ** ptr = medias;
while (ptr && *ptr) {
enum return_type results;
results = try_automatic_with_disk(*ptr, *model);
if (results == RETURN_OK)
return RETURN_OK;
ptr++;
model++;
}
return RETURN_ERROR;
}
static enum return_type try_with_device(char *dev_name)
{
char * questions_location[] = { "Directory or ISO images directory or ISO image", NULL };
char * questions_location_auto[] = { "directory", NULL };
static char ** answers_location = NULL;
char location_full[500];
char * parts[50];
char * parts_comments[50];
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 partition found.");
return RETURN_ERROR;
}
results = ask_from_list_comments_auto("Please select the partition containing the copy of the "
DISTRIB_NAME " Distribution install source.",
parts, parts_comments, &choice, "partition", parts);
if (results != RETURN_OK)
return results;
}
/* in testing mode, assume the partition is already mounted on MEDIA_LOCATION */
if (!IS_TESTING && try_mount(choice, MEDIA_LOCATION)) {
stg1_error_message("I can't find a valid filesystem (tried: ext2, vfat, ntfs, reiserfs). "
"Make sure the partition has been cleanly unmounted.");
return try_with_device(dev_name);
}
ask_dir:
if (ask_from_entries_auto("Please enter the directory (or ISO image file) containing the "
DISTRIB_NAME " Distribution install source.",
questions_location, &answers_location, 24, questions_location_auto, NULL) != RETURN_OK) {
umount(MEDIA_LOCATION);
return try_with_device(dev_name);
}
strcpy(location_full, MEDIA_LOCATION);
strcat(location_full, "/");
strcat(location_full, answers_location[0]);
if (access(location_full, R_OK)) {
char * path = strdup(answers_location[0]);
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 directory %s:\n"
"%s", my_dirname(path), extract_list_directory(my_dirname(location_full)));
free(path);
goto ask_dir;
}
results = try_with_directory(location_full, "disk", "disk-iso");
if (results != RETURN_OK) {
goto ask_dir;
}
if (!KEEP_MOUNTED)
umount(MEDIA_LOCATION);
return RETURN_OK;
}
enum return_type disk_prepare(void)
{
char ** medias, ** medias_models;
char * choice;
int i;
enum return_type results;
static int already_probed_ide_generic = 0;
int count = get_disks(&medias, &medias_models);
if (IS_AUTOMATIC) {
results = try_automatic(medias, medias_models);
if (results != RETURN_ERROR)
return results;
unset_automatic();
}
if (count == 0) {
if (!already_probed_ide_generic) {
already_probed_ide_generic = 1;
my_modprobe("ide_generic", ANY_DRIVER_TYPE, NULL);
return disk_prepare();
}
stg1_error_message("No DISK drive found.");
i = ask_insmod(MEDIA_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return disk_prepare();
}
if (count == 1) {
results = try_with_device(*medias);
if (results != RETURN_ERROR)
return results;
i = ask_insmod(MEDIA_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return disk_prepare();
}
results = ask_from_list_comments_auto("Please select the disk containing the copy of the "
DISTRIB_NAME " Distribution install source.",
medias, medias_models, &choice, "disk", medias);
if (results != RETURN_OK)
return results;
results = try_with_device(choice);
if (results != RETURN_ERROR)
return results;
i = ask_insmod(MEDIA_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return disk_prepare();
}
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