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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 <string.h>
#include <stdio.h>
#include <sys/mount.h>
#include "stage1.h"
#include "frontend.h"
#include "modules.h"
#include "probing.h"
#include "log.h"
#include "mount.h"
#include "cdrom.h"
static int mount_that_cd_device(char * dev_name)
{
char device_fullname[50];
int mount_result;
snprintf(device_fullname, sizeof(device_fullname), "/dev/%s", dev_name);
mount_result = my_mount(device_fullname, MEDIA_LOCATION, "iso9660", 0);
symlink(MEDIA_LOCATION_REL "/" ARCH, IMAGE_LOCATION);
return mount_result;
}
static enum return_type try_with_device(char * dev_name, char * dev_model);
static enum return_type do_with_device(char * dev_name, char * dev_model)
{
if (!image_has_stage2()) {
enum return_type results;
umount(MEDIA_LOCATION);
results = ask_yes_no("That CDROM disc does not seem to be a " DISTRIB_NAME " Installation CDROM.\nRetry with another disc?");
if (results == RETURN_OK)
return try_with_device(dev_name, dev_model);
return results;
}
log_message("found a " DISTRIB_NAME " CDROM, good news!");
may_load_compressed_image();
if (!KEEP_MOUNTED)
/* in rescue mode, we don't need the media anymore */
umount(MEDIA_LOCATION);
add_to_env("METHOD", "cdrom");
return RETURN_OK;
}
static enum return_type try_with_device(char * dev_name, char * dev_model)
{
wait_message("Trying to access a CDROM disc (drive %s)", dev_model);
if (mount_that_cd_device(dev_name) == -1) {
enum return_type results;
char msg[500];
unset_automatic(); /* we are in a fallback mode */
remove_wait_message();
snprintf(msg, sizeof(msg), "I can't access a " DISTRIB_NAME " Installation disc in your CDROM drive (%s).\nRetry?", dev_model);
results = ask_yes_no(msg);
if (results == RETURN_OK)
return try_with_device(dev_name, dev_model);
return results;
}
remove_wait_message();
return do_with_device(dev_name, dev_model);
}
int try_automatic(char ** medias, char ** medias_models)
{
static char * already_tried[50] = { NULL };
char ** model = medias_models;
char ** ptr = medias;
int i = 0;
while (ptr && *ptr) {
char ** p;
for (p = already_tried; p && *p; p++)
if (streq(*p, *ptr))
goto try_automatic_already_tried;
*p = strdup(*ptr);
*(p+1) = NULL;
wait_message("Trying to access " DISTRIB_NAME " CDROM disc (drive %s)", *model);
if (mount_that_cd_device(*ptr) != -1) {
if (image_has_stage2()) {
remove_wait_message();
return i;
}
else
umount(MEDIA_LOCATION);
}
remove_wait_message();
try_automatic_already_tried:
ptr++;
model++;
i++;
}
return -1;
}
enum return_type cdrom_prepare(void)
{
char ** medias, ** ptr, ** medias_models;
char * choice;
int i, count = 0;
enum return_type results;
static int already_probed_ide_generic = 0;
my_insmod("ide-cd", ANY_DRIVER_TYPE, NULL, 0);
if (IS_AUTOMATIC) {
get_medias(CDROM, &medias, &medias_models, BUS_IDE);
if ((i = try_automatic(medias, medias_models)) != -1)
return do_with_device(medias[i], medias_models[i]);
get_medias(CDROM, &medias, &medias_models, BUS_PCMCIA);
if ((i = try_automatic(medias, medias_models)) != -1)
return do_with_device(medias[i], medias_models[i]);
my_insmod("sr_mod", ANY_DRIVER_TYPE, NULL, 0);
get_medias(CDROM, &medias, &medias_models, BUS_SCSI);
if ((i = try_automatic(medias, medias_models)) != -1)
return do_with_device(medias[i], medias_models[i]);
get_medias(CDROM, &medias, &medias_models, BUS_USB);
if ((i = try_automatic(medias, medias_models)) != -1)
return do_with_device(medias[i], medias_models[i]);
unset_automatic();
} else
my_insmod("sr_mod", ANY_DRIVER_TYPE, NULL, 0);
get_medias(CDROM, &medias, &medias_models, BUS_ANY);
ptr = medias;
while (ptr && *ptr) {
count++;
ptr++;
}
if (count == 0) {
if (!already_probed_ide_generic) {
already_probed_ide_generic = 1;
my_insmod("ide-generic", ANY_DRIVER_TYPE, NULL, 0);
return cdrom_prepare();
}
stg1_error_message("No CDROM device found.");
i = ask_insmod(SCSI_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return cdrom_prepare();
}
if (count == 1) {
results = try_with_device(*medias, *medias_models);
if (results == RETURN_OK)
return RETURN_OK;
i = ask_insmod(SCSI_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return cdrom_prepare();
}
results = ask_from_list_comments("Please choose the CDROM drive to use for the installation.", medias, medias_models, &choice);
if (results == RETURN_OK) {
char ** model = medias_models;
ptr = medias;
while (ptr && *ptr && model && *model) {
if (!strcmp(*ptr, choice))
break;
ptr++;
model++;
}
results = try_with_device(choice, *model);
} else
return results;
if (results == RETURN_OK)
return RETURN_OK;
if (results == RETURN_BACK)
return cdrom_prepare();
i = ask_insmod(SCSI_ADAPTERS);
if (i == RETURN_BACK)
return RETURN_BACK;
return cdrom_prepare();
}
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