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-rw-r--r--mdk-stage1/disk.c342
1 files changed, 0 insertions, 342 deletions
diff --git a/mdk-stage1/disk.c b/mdk-stage1/disk.c
deleted file mode 100644
index 8488a767e..000000000
--- a/mdk-stage1/disk.c
+++ /dev/null
@@ -1,342 +0,0 @@
-/*
- * 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 "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"
-
-struct partition_detection_anchor {
- off_t offset;
- const char * anchor;
-};
-
-static int seek_and_compare(int fd, struct partition_detection_anchor anch)
-{
- char buf[500];
- size_t count;
- if (lseek(fd, anch.offset, SEEK_SET) == (off_t)-1) {
- log_perror("seek failed");
- return -1;
- }
- count = read(fd, buf, strlen(anch.anchor));
- if (count != strlen(anch.anchor)) {
- log_perror("read failed");
- return -1;
- }
- buf[count] = '\0';
- if (strcmp(anch.anchor, buf))
- return 1;
- return 0;
-}
-
-static const char * detect_partition_type(char * dev)
-{
- struct partition_detection_info {
- const char * name;
- struct partition_detection_anchor anchor0;
- struct partition_detection_anchor anchor1;
- struct partition_detection_anchor anchor2;
- };
- struct partition_detection_info partitions_signatures[] = {
- { "Linux Swap", { 4086, "SWAP-SPACE" }, { 0, NULL }, { 0, NULL } },
- { "Linux Swap", { 4086, "SWAPSPACE2" }, { 0, NULL }, { 0, NULL } },
- { "Ext2", { 0x438, "\x53\xEF" }, { 0, NULL }, { 0, NULL } },
- { "ReiserFS", { 0x10034, "ReIsErFs" }, { 0, NULL }, { 0, NULL } },
- { "ReiserFS", { 0x10034, "ReIsEr2Fs" }, { 0, NULL }, { 0, NULL } },
- { "XFS", { 0, "XFSB" }, { 0x200, "XAGF" }, { 0x400, "XAGI" } },
- { "JFS", { 0x8000, "JFS1" }, { 0, NULL }, { 0, NULL } },
- { "NTFS", { 0x1FE, "\x55\xAA" }, { 0x3, "NTFS" }, { 0, NULL } },
- { "FAT32", { 0x1FE, "\x55\xAA" }, { 0x52, "FAT32" }, { 0, NULL } },
- { "FAT", { 0x1FE, "\x55\xAA" }, { 0x36, "FAT" }, { 0, NULL } },
- { "Linux LVM", { 0, "HM\1\0" }, { 0, NULL }, { 0, NULL } }
- };
- int partitions_signatures_nb = sizeof(partitions_signatures) / sizeof(struct partition_detection_info);
- int i;
- int fd;
-
- char device_fullname[50];
- strcpy(device_fullname, "/dev/");
- strcat(device_fullname, dev);
-
- if (ensure_dev_exists(device_fullname))
- return NULL;
- log_message("guessing type of %s", device_fullname);
-
- if ((fd = open(device_fullname, O_RDONLY, 0)) < 0) {
- log_perror("open");
- return NULL;
- }
-
- for (i=0; i<partitions_signatures_nb; i++) {
- int results = seek_and_compare(fd, partitions_signatures[i].anchor0);
- if (results == -1)
- goto detect_partition_type_end;
- if (results == 1)
- continue;
- if (!partitions_signatures[i].anchor1.anchor)
- goto detect_partition_found_it;
-
- results = seek_and_compare(fd, partitions_signatures[i].anchor1);
- if (results == -1)
- goto detect_partition_type_end;
- if (results == 1)
- continue;
- if (!partitions_signatures[i].anchor2.anchor)
- goto detect_partition_found_it;
-
- results = seek_and_compare(fd, partitions_signatures[i].anchor2);
- if (results == -1)
- goto detect_partition_type_end;
- if (results == 1)
- continue;
-
- detect_partition_found_it:
- return partitions_signatures[i].name;
- }
-
- detect_partition_type_end:
- close(fd);
- return NULL;
-}
-
-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 device_fullname[50];
- char location_full[500];
-
- char * disk_own_mount = "/tmp/hdimage";
-
- 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);
- stg1_error_message("Could not read partitions information.");
- return RETURN_ERROR;
- }
-
- while (fgets(buf, sizeof(buf), f)) {
- bzero(name, sizeof(name));
- sscanf(buf, " %d %d %d %s", &major, &minor, &blocks, name);
- if ((strstr(name, dev_name) == name) && (blocks > 1) && (name[strlen(dev_name)] != '\0')) {
- const char * partition_type = detect_partition_type(name);
- parts[i] = strdup(name);
- parts_comments[i] = (char *) malloc(sizeof(char) * 100);
- sprintf(parts_comments[i], "size: %d Mbytes", blocks >> 10);
- if (partition_type) {
- strcat(parts_comments[i], ", type: ");
- strcat(parts_comments[i], partition_type);
- }
- i++;
- }
- }
- parts[i] = NULL;
- fclose(f);
-
- 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;
-
- strcpy(device_fullname, "/dev/");
- strcat(device_fullname, choice);
-
- if (my_mount(device_fullname, disk_own_mount, "ext2", 0) == -1 &&
- my_mount(device_fullname, disk_own_mount, "vfat", 0) == -1 &&
- my_mount(device_fullname, disk_own_mount, "reiserfs", 0) == -1) {
- 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)) {
- 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);
-
- 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));
- loumount();
- umount(disk_own_mount);
- return try_with_device(dev_name);
- }
- if (load_ramdisk() != RETURN_OK) {
- stg1_error_message("Could not load program into memory.");
- loumount();
- umount(disk_own_mount);
- return try_with_device(dev_name);
- }
- } else {
- /* LIVE install */
- char p;
- if (access(IMAGE_LOCATION LIVE_LOCATION, R_OK)) {
- 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));
- loumount();
- umount(disk_own_mount);
- return try_with_device(dev_name);
- }
- 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.");
- loumount();
- umount(disk_own_mount);
- return try_with_device(dev_name);
- }
- log_message("found the " DISTRIB_NAME " Installation, good news!");
- }
-
- if (IS_RESCUE) {
- loumount();
- umount(disk_own_mount);
- }
-
- 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) {
- 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();
-}
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