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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 <dirent.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "stage1.h"
#include "frontend.h"
#include "modules.h"
#include "probing.h"
#include "log.h"
#include "mount.h"
#include "lomount.h"
#include "disk.h"
static char * list_directory(char * direct)
{
char tmp[500] = "";
int nb = 0;
struct dirent *ep;
DIR *dp = opendir(direct);
while (dp && nb < 5 && (ep = readdir(dp))) {
if (strcmp(ep->d_name, ".") && strcmp(ep->d_name, "..")) {
strcat(tmp, strdup(ep->d_name));
strcat(tmp, "\n");
nb++;
}
}
if (dp)
closedir(dp);
return strdup(tmp);
}
static enum return_type try_with_device(char *dev_name)
{
char * questions_location[] = { "Directory", NULL };
char ** answers_location;
char device_fullname[50];
char location_full[500];
char * disk_own_mount = "/tmp/disk";
int major, minor, blocks;
char name[100];
char buf[512];
FILE * f;
char * parts[50];
char * parts_comments[50];
struct stat statbuf;
int i = 0;
enum return_type results;
char * choice;
if (!(f = fopen("/proc/partitions", "rb")) || !fgets(buf, sizeof(buf), f) || !fgets(buf, sizeof(buf), f)) {
log_perror(dev_name);
error_message("Could not read partitions information.");
return RETURN_ERROR;
}
while (fgets(buf, sizeof(buf), f)) {
sscanf(buf, " %d %d %d %s", &major, &minor, &blocks, name);
if ((strstr(name, dev_name) == name) && (blocks > 1) && (name[strlen(dev_name)] != '\0')) {
parts[i] = strdup(name);
parts_comments[i] = (char *) malloc(sizeof(char) * 25);
snprintf(parts_comments[i], 24, "size: %d Mbytes", blocks >> 10);
i++;
}
}
parts[i] = NULL;
fclose(f);
results = ask_from_list_comments("Please choose the partition where is copied the " DISTRIB_NAME " Distribution.",
parts, parts_comments, &choice);
if (results != RETURN_OK)
return results;
strcpy(device_fullname, "/dev/");
strcat(device_fullname, choice);
if (my_mount(device_fullname, disk_own_mount, "ext2") == -1 &&
my_mount(device_fullname, disk_own_mount, "vfat") == -1 &&
my_mount(device_fullname, disk_own_mount, "reiserfs") == -1) {
error_message("I can't find a valid filesystem.");
return try_with_device(dev_name);
}
if (ask_from_entries("Please enter the directory (or ISO image file) containing the " DISTRIB_NAME " Distribution.",
questions_location, &answers_location, 24) != 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)) {
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", 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)) {
error_message("Could not mount ISO image.");
umount(IMAGE_LOCATION);
return try_with_device(dev_name);
}
} else
symlink(location_full, IMAGE_LOCATION);
if (IS_SPECIAL_STAGE2 || ramdisk_possible()) {
/* RAMDISK install */
if (access(IMAGE_LOCATION RAMDISK_LOCATION, R_OK)) {
error_message("I can't find the " DISTRIB_NAME " Distribution in the specified directory. "
"(I need the directory " RAMDISK_LOCATION ")\n"
"Here's a short extract of the files in the directory:\n"
"%s", list_directory(IMAGE_LOCATION));
umount(disk_own_mount);
unlink(IMAGE_LOCATION);
return try_with_device(dev_name);
}
if (load_ramdisk() != RETURN_OK) {
error_message("Could not load program into memory.");
return try_with_device(dev_name);
}
} else {
/* LIVE install */
char p;
if (access(IMAGE_LOCATION LIVE_LOCATION, R_OK)) {
error_message("I can't find the " DISTRIB_NAME " Distribution in the specified directory. "
"(I need the directory " LIVE_LOCATION ")\n"
"Here's a short extract of the files in the directory:\n"
"%s", list_directory(IMAGE_LOCATION));
umount(disk_own_mount);
unlink(IMAGE_LOCATION);
return try_with_device(dev_name);
}
if (readlink(IMAGE_LOCATION LIVE_LOCATION "/usr/bin/runinstall2", &p, 1) != 1) {
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.");
umount(disk_own_mount);
unlink(IMAGE_LOCATION);
return try_with_device(dev_name);
}
log_message("found the " DISTRIB_NAME " Installation, good news!");
}
if (IS_RESCUE)
umount(IMAGE_LOCATION);
method_name = strdup("disk");
return RETURN_OK;
}
enum return_type disk_prepare(void)
{
char ** medias, ** ptr, ** medias_models;
char * choice;
int i, count = 0;
enum return_type results;
my_insmod("sd_mod", ANY_DRIVER_TYPE, NULL);
get_medias(DISK, &medias, &medias_models);
ptr = medias;
while (ptr && *ptr) {
count++;
ptr++;
}
if (count == 0) {
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("Please choose the DISK drive on which you copied the " DISTRIB_NAME " Distribution.", medias, medias_models, &choice);
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();
}
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