185 lines
4.2 KiB
C
185 lines
4.2 KiB
C
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/*
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* Guillaume Cottenceau (gc@mandrakesoft.com)
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*
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* Copyright 2000 MandrakeSoft
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*
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* This software may be freely redistributed under the terms of the GNU
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* public license.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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/*
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* Portions from Erik Troan (ewt@redhat.com)
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*
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* Copyright 1996 Red Hat Software
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*
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include <sys/mount.h>
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#include "stage1.h"
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#include "frontend.h"
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#include "modules.h"
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#include "probing.h"
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#include "log.h"
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#include "mount.h"
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#include "cdrom.h"
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static int mount_that_cd_device(char * dev_name)
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{
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char device_fullname[50];
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strcpy(device_fullname, "/dev/");
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strcat(device_fullname, dev_name);
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return my_mount(device_fullname, IMAGE_LOCATION, "iso9660", 0);
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}
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static int test_that_cd()
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{
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return access(IMAGE_LOCATION LIVE_LOCATION, R_OK);
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}
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static enum return_type try_with_device(char * dev_name, char * dev_model);
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static enum return_type do_with_device(char * dev_name, char * dev_model)
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{
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if (test_that_cd()) {
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enum return_type results;
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umount(IMAGE_LOCATION);
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results = ask_yes_no("That CDROM disc does not seem to be a " DISTRIB_NAME " Installation CDROM.\nRetry with another disc?");
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if (results == RETURN_OK)
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return try_with_device(dev_name, dev_model);
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return results;
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}
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log_message("found a " DISTRIB_NAME " CDROM, good news!");
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//if (!IS_SPECIAL_STAGE2 && ramdisk_possible())
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if (!IS_LOWMEM && ramdisk_possible())
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load_ramdisk(); /* we don't care about return code, we'll do it live if we failed */
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if (IS_RESCUE) {
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load_ramdisk();
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umount(IMAGE_LOCATION);
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}
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method_name = strdup("cdrom");
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return RETURN_OK;
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}
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static enum return_type try_with_device(char * dev_name, char * dev_model)
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{
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wait_message("Trying to access a CDROM disc (drive %s)", dev_model);
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if (mount_that_cd_device(dev_name) == -1) {
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enum return_type results;
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char msg[500];
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unset_param(MODE_AUTOMATIC); /* we are in a fallback mode */
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remove_wait_message();
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snprintf(msg, sizeof(msg), "I can't access a " DISTRIB_NAME " Installation disc in your CDROM drive (%s).\nRetry?", dev_model);
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results = ask_yes_no(msg);
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if (results == RETURN_OK)
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return try_with_device(dev_name, dev_model);
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return results;
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}
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remove_wait_message();
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return do_with_device(dev_name, dev_model);
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}
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enum return_type cdrom_prepare(void)
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{
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char ** medias, ** ptr, ** medias_models;
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char * choice;
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int i, count = 0;
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enum return_type results;
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my_insmod("ide-cd", ANY_DRIVER_TYPE, NULL);
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my_insmod("sr_mod", ANY_DRIVER_TYPE, NULL);
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get_medias(CDROM, &medias, &medias_models);
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ptr = medias;
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while (ptr && *ptr) {
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count++;
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ptr++;
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}
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if (count == 0) {
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stg1_error_message("No CDROM device found.");
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i = ask_insmod(SCSI_ADAPTERS);
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if (i == RETURN_BACK)
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return RETURN_BACK;
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return cdrom_prepare();
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}
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if (count == 1) {
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results = try_with_device(*medias, *medias_models);
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if (results == RETURN_OK)
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return RETURN_OK;
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i = ask_insmod(SCSI_ADAPTERS);
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if (i == RETURN_BACK)
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return RETURN_BACK;
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return cdrom_prepare();
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}
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if (IS_AUTOMATIC) {
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char ** model = medias_models;
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ptr = medias;
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while (ptr && *ptr) {
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wait_message("Trying to access " DISTRIB_NAME " CDROM disc (drive %s)", *model);
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if (mount_that_cd_device(*ptr) != -1) {
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if (!test_that_cd()) {
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remove_wait_message();
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return do_with_device(*ptr, *model);
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}
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else
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umount(IMAGE_LOCATION);
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}
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remove_wait_message();
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ptr++;
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model++;
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}
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unset_param(MODE_AUTOMATIC);
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return cdrom_prepare();
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}
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else {
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results = ask_from_list_comments("Please choose the CDROM drive to use for the installation.", medias, medias_models, &choice);
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if (results == RETURN_OK) {
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char ** model = medias_models;
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ptr = medias;
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while (ptr && *ptr && model && *model) {
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if (!strcmp(*ptr, choice))
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break;
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ptr++;
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model++;
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}
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results = try_with_device(choice, *model);
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} else
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return results;
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}
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if (results == RETURN_OK)
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return RETURN_OK;
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if (results == RETURN_BACK)
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return cdrom_prepare();
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i = ask_insmod(SCSI_ADAPTERS);
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if (i == RETURN_BACK)
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return RETURN_BACK;
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return cdrom_prepare();
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}
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