#include <assert.h>
#include <blkid/blkid.h>
+#include <errno.h>
#include <fcntl.h>
#include <libudev.h>
#include <linux/loop.h>
#include <sys/stat.h>
#include <sys/swap.h>
#include <sys/sysinfo.h>
+#include <sys/utsname.h>
#include <unistd.h>
#include <linux/fs.h>
#include "hw.h"
-const char* other_filesystems[] = {
- "/dev",
- "/proc",
- "/sys",
- NULL
-};
-
static int system_chroot(const char* output, const char* path, const char* cmd) {
char chroot_cmd[STRING_SIZE];
}
struct hw* hw_init() {
- struct hw* hw = malloc(sizeof(*hw));
+ struct hw* hw = calloc(1, sizeof(*hw));
assert(hw);
// Initialize libudev
exit(1);
}
+ // What architecture are we running on?
+ struct utsname uname_data;
+ int ret = uname(&uname_data);
+ if (ret == 0)
+ snprintf(hw->arch, sizeof(hw->arch), "%s", uname_data.machine);
+
+ // Should we install in EFI mode?
+ if ((strcmp(hw->arch, "x86_64") == 0) || (strcmp(hw->arch, "aarch64") == 0))
+ hw->efi = 1;
+
return hw;
}
return mount(source, target, fs, flags, NULL);
}
-int hw_umount(const char* target) {
- return umount2(target, 0);
+static int hw_bind_mount(const char* source, const char* prefix) {
+ if (!source || !prefix) {
+ errno = EINVAL;
+ return 1;
+ }
+
+ char target[PATH_MAX];
+ int r;
+
+ // Format target
+ r = snprintf(target, sizeof(target) - 1, "%s/%s", prefix, source);
+ if (r < 0)
+ return 1;
+
+ // Ensure target exists
+ mkdir(target, S_IRWXU|S_IRWXG|S_IRWXO);
+
+ return hw_mount(source, target, NULL, MS_BIND);
+}
+
+int hw_umount(const char* source, const char* prefix) {
+ char target[PATH_MAX];
+ int r;
+
+ if (prefix)
+ r = snprintf(target, sizeof(target) - 1, "%s/%s", prefix, source);
+ else
+ r = snprintf(target, sizeof(target) - 1, "%s", source);
+ if (r < 0)
+ return r;
+
+ // Perform umount
+ r = umount2(target, 0);
+ if (r) {
+ switch (errno) {
+ // Try again with force if umount wasn't successful
+ case EBUSY:
+ sleep(1);
+
+ r = umount2(target, MNT_FORCE);
+ break;
+
+ // target wasn't a mountpoint. Ignore.
+ case EINVAL:
+ r = 0;
+ break;
+
+ // target doesn't exist
+ case ENOENT:
+ r = 0;
+ break;
+ }
+ }
+
+ return r;
}
static int hw_test_source_medium(const char* path) {
int ret = hw_mount(path, SOURCE_MOUNT_PATH, "iso9660", MS_RDONLY);
+ if (ret != 0) {
+ // 2nd try, ntfs for a rufus converted usb key
+ ret = hw_mount(path, SOURCE_MOUNT_PATH, "ntfs3", MS_RDONLY);
+ }
+ if (ret != 0) {
+ // 3rd try, vfat for a rufus converted usb key
+ ret = hw_mount(path, SOURCE_MOUNT_PATH, "vfat", MS_RDONLY);
+ }
+
// If the source could not be mounted we
// cannot proceed.
if (ret != 0)
ret = access(SOURCE_TEST_FILE, R_OK);
// Umount the test device.
- hw_umount(SOURCE_MOUNT_PATH);
+ hw_umount(SOURCE_MOUNT_PATH, NULL);
- return (ret == 0);
+ return ret;
}
char* hw_find_source_medium(struct hw* hw) {
struct hw_disk** ret = hw_create_disks();
struct hw_disk** disks = ret;
+ // Determine the disk device of source if it is a partition
+ char* sourcedisk = NULL;
+ char syssource[PATH_MAX];
+ (void)snprintf(syssource, sizeof(syssource) - 1, "/sys/class/block/%s", sourcedrive + 5);
+ struct udev_device* s_dev = udev_device_new_from_syspath(hw->udev, syssource);
+ const char* s_devtype = udev_device_get_property_value(s_dev, "DEVTYPE");
+ if (s_devtype && (strcmp(s_devtype, "partition") == 0)) {
+ struct udev_device* p_dev = udev_device_get_parent_with_subsystem_devtype(s_dev,"block","disk");
+ if (p_dev) {
+ sourcedisk = udev_device_get_devnode(p_dev);
+ }
+ }
+ if (!sourcedisk) sourcedisk = sourcedrive;
+
struct udev_enumerate* enumerate = udev_enumerate_new(hw->udev);
udev_enumerate_add_match_subsystem(enumerate, "block");
continue;
}
- // Skip sourcedrive if we need to
- if (sourcedrive && (strcmp(dev_path, sourcedrive) == 0)) {
+ // Skip sourcedisk if we need to
+ if (sourcedisk && (strcmp(dev_path, sourcedisk) == 0)) {
udev_device_unref(dev);
continue;
}
"%s - %s", size_str, p);
}
+ // Cut off the description string after 40 characters
+ disk->description[41] = '\0';
+
*disks++ = disk;
if (--i == 0)
return swap_size;
}
-static unsigned long long hw_root_size(struct hw_destination* dest) {
- unsigned long long root_size;
-
- if (dest->size < MB2BYTES(2048))
- root_size = MB2BYTES(1024);
-
- else if (dest->size >= MB2BYTES(2048) && dest->size <= MB2BYTES(3072))
- root_size = MB2BYTES(1536);
-
- else
- root_size = MB2BYTES(2048);
-
- return root_size;
-}
-
static unsigned long long hw_boot_size(struct hw_destination* dest) {
- return MB2BYTES(64);
+ return MB2BYTES(128);
}
static int hw_device_has_p_suffix(const struct hw_destination* dest) {
return 0;
}
-static int hw_calculate_partition_table(struct hw_destination* dest, int disable_swap) {
+static int hw_calculate_partition_table(struct hw* hw, struct hw_destination* dest, int disable_swap) {
char path[DEV_SIZE];
int part_idx = 1;
// Add some more space for partition tables, etc.
dest->size -= MB2BYTES(1);
+ // The disk has to have at least 2GB
+ if (dest->size <= MB2BYTES(2048))
+ return -1;
+
// Determine partition table
dest->part_table = HW_PART_TABLE_MSDOS;
}
dest->size_boot = hw_boot_size(dest);
- dest->size_root = hw_root_size(dest);
+
+ // Create an EFI partition when running in EFI mode
+ if (hw->efi)
+ dest->size_boot_efi = MB2BYTES(32);
+ else
+ dest->size_boot_efi = 0;
+
+ // Determine the size of the data partition.
+ unsigned long long space_left = dest->size - \
+ (dest->size_bootldr + dest->size_boot + dest->size_boot_efi);
+
+ // If we have less than 2GB left, we disable swap
+ if (space_left <= MB2BYTES(2048))
+ disable_swap = 1;
// Should we use swap?
if (disable_swap)
else
dest->size_swap = hw_swap_size(dest);
- // Determine the size of the data partition.
- unsigned long long used_space = dest->size_bootldr + dest->size_boot
- + dest->size_swap + dest->size_root;
+ // Subtract swap
+ space_left -= dest->size_swap;
- // Disk is way too small
- if (used_space >= dest->size)
- return -1;
-
- dest->size_data = dest->size - used_space;
-
- // If it gets too small, we remove the swap space.
- if (dest->size_data <= MB2BYTES(256)) {
- dest->size_data += dest->size_swap;
- dest->size_swap = 0;
- }
+ // Root is getting what ever is left
+ dest->size_root = space_left;
// Set partition names
if (dest->size_boot > 0) {
} else
*dest->part_boot = '\0';
+ if (dest->size_boot_efi > 0) {
+ dest->part_boot_efi_idx = part_idx;
+
+ snprintf(dest->part_boot_efi, sizeof(dest->part_boot_efi),
+ "%s%d", path, part_idx++);
+ } else {
+ *dest->part_boot_efi = '\0';
+ dest->part_boot_efi_idx = 0;
+ }
+
if (dest->size_swap > 0)
snprintf(dest->part_swap, sizeof(dest->part_swap), "%s%d", path, part_idx++);
else
snprintf(dest->part_root, sizeof(dest->part_root), "%s%d", path, part_idx++);
- if (dest->size_data > 0)
- snprintf(dest->part_data, sizeof(dest->part_data), "%s%d", path, part_idx++);
- else
- *dest->part_data = '\0';
-
return 0;
}
-struct hw_destination* hw_make_destination(int part_type, struct hw_disk** disks, int disable_swap) {
+struct hw_destination* hw_make_destination(struct hw* hw, int part_type, struct hw_disk** disks, int disable_swap) {
struct hw_destination* dest = malloc(sizeof(*dest));
if (part_type == HW_PART_TYPE_NORMAL) {
// Is this a RAID device?
dest->is_raid = (part_type > HW_PART_TYPE_NORMAL);
- int r = hw_calculate_partition_table(dest, disable_swap);
+ int r = hw_calculate_partition_table(hw, dest, disable_swap);
if (r)
return NULL;
part_start += dest->size_boot;
}
+ if (*dest->part_boot_efi) {
+ asprintf(&cmd, "%s mkpart %s fat32 %lluB %lluB", cmd,
+ (dest->part_table == HW_PART_TABLE_GPT) ? "ESP" : "primary",
+ part_start, part_start + dest->size_boot_efi - 1);
+
+ part_start += dest->size_boot_efi;
+ }
+
if (*dest->part_swap) {
asprintf(&cmd, "%s mkpart %s linux-swap %lluB %lluB", cmd,
(dest->part_table == HW_PART_TABLE_GPT) ? "SWAP" : "primary",
part_start += dest->size_root;
}
- if (*dest->part_data) {
- asprintf(&cmd, "%s mkpart %s ext2 %lluB %lluB", cmd,
- (dest->part_table == HW_PART_TABLE_GPT) ? "DATA" : "primary",
- part_start, part_start + dest->size_data - 1);
-
- part_start += dest->size_data;
- }
-
if (dest->part_boot_idx > 0)
asprintf(&cmd, "%s set %d boot on", cmd, dest->part_boot_idx);
+ if (dest->part_boot_efi_idx > 0)
+ asprintf(&cmd, "%s set %d esp on", cmd, dest->part_boot_efi_idx);
+
if (dest->part_table == HW_PART_TABLE_GPT) {
if (*dest->part_bootldr) {
asprintf(&cmd, "%s set %d bios_grub on", cmd, dest->part_boot_idx);
}
- asprintf(&cmd, "%s disk_set pmbr_boot on", cmd);
}
r = mysystem(output, cmd);
if (*dest->part_boot && (try_open(dest->part_boot) != 0))
continue;
- if (*dest->part_swap && (try_open(dest->part_swap) != 0))
+ if (*dest->part_boot_efi && (try_open(dest->part_boot_efi) != 0))
continue;
- if (*dest->part_root && (try_open(dest->part_root) != 0))
+ if (*dest->part_swap && (try_open(dest->part_swap) != 0))
continue;
- if (*dest->part_data && (try_open(dest->part_data) != 0))
+ if (*dest->part_root && (try_open(dest->part_root) != 0))
continue;
// All partitions do exist, exiting the loop.
// EXT4
} else if (fs == HW_FS_EXT4) {
- snprintf(cmd, sizeof(cmd), "/sbin/mke2fs -T ext4 %s", path);
+ snprintf(cmd, sizeof(cmd), "/sbin/mke2fs -FF -T ext4 %s", path);
// EXT4 w/o journal
} else if (fs == HW_FS_EXT4_WO_JOURNAL) {
- snprintf(cmd, sizeof(cmd), "/sbin/mke2fs -T ext4 -O ^has_journal %s", path);
+ snprintf(cmd, sizeof(cmd), "/sbin/mke2fs -FF -T ext4 -O ^has_journal %s", path);
// XFS
} else if (fs == HW_FS_XFS) {
snprintf(cmd, sizeof(cmd), "/sbin/mkfs.xfs -f %s", path);
+
+ // FAT32
+ } else if (fs == HW_FS_FAT32) {
+ snprintf(cmd, sizeof(cmd), "/sbin/mkfs.vfat %s", path);
}
assert(*cmd);
return r;
}
+ // ESP
+ if (*dest->part_boot_efi) {
+ r = hw_format_filesystem(dest->part_boot_efi, HW_FS_FAT32, output);
+ if (r)
+ return r;
+ }
+
// swap
if (*dest->part_swap) {
r = hw_format_filesystem(dest->part_swap, HW_FS_SWAP, output);
if (r)
return r;
- // data
- if (*dest->part_data) {
- r = hw_format_filesystem(dest->part_data, dest->filesystem, output);
- if (r)
- return r;
- }
-
return 0;
}
filesystem = "xfs";
break;
+ case HW_FS_FAT32:
+ filesystem = "vfat";
+ break;
+
default:
assert(0);
}
}
}
- // data
- if (*dest->part_data) {
- snprintf(target, sizeof(target), "%s%s", prefix, HW_PATH_DATA);
+ // ESP
+ if (*dest->part_boot_efi) {
+ snprintf(target, sizeof(target), "%s%s", prefix, HW_PATH_BOOT_EFI);
mkdir(target, S_IRWXU|S_IRWXG|S_IRWXO);
- r = hw_mount(dest->part_data, target, filesystem, 0);
+ r = hw_mount(dest->part_boot_efi, target, "vfat", 0);
if (r) {
hw_umount_filesystems(dest, prefix);
}
// bind-mount misc filesystems
- char** otherfs = other_filesystems;
- while (*otherfs) {
- snprintf(target, sizeof(target), "%s%s", prefix, *otherfs);
+ r = hw_bind_mount("/dev", prefix);
+ if (r)
+ return r;
- mkdir(target, S_IRWXU|S_IRWXG|S_IRWXO);
- r = hw_mount(*otherfs, target, NULL, MS_BIND);
- if (r) {
- hw_umount_filesystems(dest, prefix);
+ r = hw_bind_mount("/proc", prefix);
+ if (r)
+ return r;
- return r;
- }
+ r = hw_bind_mount("/sys", prefix);
+ if (r)
+ return r;
- otherfs++;
- }
+ r = hw_bind_mount("/sys/firmware/efi/efivars", prefix);
+ if (r && errno != ENOENT)
+ return r;
return 0;
}
int hw_umount_filesystems(struct hw_destination* dest, const char* prefix) {
+ int r;
+ char target[STRING_SIZE];
+
// Write all buffers to disk before umounting
hw_sync();
- // boot
- if (*dest->part_boot) {
- hw_umount(dest->part_boot);
+ // ESP
+ if (*dest->part_boot_efi) {
+ r = hw_umount(HW_PATH_BOOT_EFI, prefix);
+ if (r)
+ return -1;
}
- // data
- if (*dest->part_data) {
- hw_umount(dest->part_data);
+ // boot
+ if (*dest->part_boot) {
+ r = hw_umount(HW_PATH_BOOT, prefix);
+ if (r)
+ return -1;
}
- // root
- hw_umount(dest->part_root);
-
// swap
if (*dest->part_swap) {
swapoff(dest->part_swap);
}
// misc filesystems
- char target[STRING_SIZE];
- char** otherfs = other_filesystems;
+ r = hw_umount("/sys/firmware/efi/efivars", prefix);
+ if (r)
+ return -1;
- while (*otherfs) {
- snprintf(target, sizeof(target), "%s%s", prefix, *otherfs++);
- hw_umount(target);
- }
+ r = hw_umount("/sys", prefix);
+ if (r)
+ return -1;
+
+ r = hw_umount("/proc", prefix);
+ if (r)
+ return -1;
+
+ r = hw_umount("/dev", prefix);
+ if (r)
+ return -1;
+
+ // root
+ r = hw_umount(prefix, NULL);
+ if (r)
+ return -1;
return 0;
}
return mysystem(output, "/sbin/mdadm --stop --scan --verbose");
}
-int hw_install_bootloader(struct hw_destination* dest, const char* output) {
+int hw_install_bootloader(struct hw* hw, struct hw_destination* dest, const char* output) {
char cmd[STRING_SIZE];
- int r;
- // Generate configuration file
- snprintf(cmd, sizeof(cmd), "/usr/sbin/grub-mkconfig -o /boot/grub/grub.cfg");
- r = system_chroot(output, DESTINATION_MOUNT_PATH, cmd);
+ snprintf(cmd, sizeof(cmd), "/usr/bin/install-bootloader %s", dest->path);
+ int r = system_chroot(output, DESTINATION_MOUNT_PATH, cmd);
if (r)
return r;
- char cmd_grub[STRING_SIZE];
- snprintf(cmd_grub, sizeof(cmd_grub), "/usr/sbin/grub-install --no-floppy --recheck");
-
- if (dest->is_raid) {
- snprintf(cmd, sizeof(cmd), "%s %s", cmd_grub, dest->disk1->path);
- r = system_chroot(output, DESTINATION_MOUNT_PATH, cmd);
- if (r)
- return r;
-
- snprintf(cmd, sizeof(cmd), "%s %s", cmd_grub, dest->disk2->path);
- r = system_chroot(output, DESTINATION_MOUNT_PATH, cmd);
- } else {
- snprintf(cmd, sizeof(cmd), "%s %s", cmd_grub, dest->path);
- r = system_chroot(output, DESTINATION_MOUNT_PATH, cmd);
- }
+ hw_sync();
- return r;
+ return 0;
}
static char* hw_get_uuid(const char* dev) {
}
}
+ // ESP
+ if (*dest->part_boot_efi) {
+ uuid = hw_get_uuid(dest->part_boot_efi);
+
+ if (uuid) {
+ fprintf(f, FSTAB_FMT, uuid, "/boot/efi", "auto", "defaults", 1, 2);
+ free(uuid);
+ }
+ }
+
+
// swap
if (*dest->part_swap) {
uuid = hw_get_uuid(dest->part_swap);
free(uuid);
}
- // data
- if (*dest->part_data) {
- uuid = hw_get_uuid(dest->part_data);
-
- if (uuid) {
- fprintf(f, FSTAB_FMT, uuid, "/var", "auto", "defaults", 1, 1);
- free(uuid);
- }
- }
-
fclose(f);
return 0;
projects / ipfire-2.x.git / blobdiff