2N/A/* cpio.c - cpio and tar filesystem. */
2N/A/*
2N/A * GRUB -- GRand Unified Bootloader
2N/A * Copyright (C) 2007,2008,2009 Free Software Foundation, Inc.
2N/A *
2N/A * This program is free software: you can redistribute it and/or modify
2N/A * it under the terms of the GNU General Public License as published by
2N/A * the Free Software Foundation, either version 3 of the License, or
2N/A * (at your option) any later version.
2N/A *
2N/A * This program is distributed in the hope that it will be useful,
2N/A * but WITHOUT ANY WARRANTY; without even the implied warranty of
2N/A * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2N/A * GNU General Public License for more details.
2N/A *
2N/A * You should have received a copy of the GNU General Public License
2N/A * along with this program. If not, see <http://www.gnu.org/licenses/>.
2N/A */
2N/A
2N/A#include <grub/file.h>
2N/A#include <grub/mm.h>
2N/A#include <grub/misc.h>
2N/A#include <grub/disk.h>
2N/A#include <grub/dl.h>
2N/A
2N/AGRUB_MOD_LICENSE ("GPLv3+");
2N/A
2N/A#define ATTR_TYPE 0160000
2N/A#define ATTR_FILE 0100000
2N/A#define ATTR_DIR 0040000
2N/A#define ATTR_LNK 0120000
2N/A
2N/A#ifdef MODE_ODC
2N/A#define ALIGN_CPIO(x) x
2N/A#define MAGIC "070707"
2N/Astruct head
2N/A{
2N/A char magic[6];
2N/A char dev[6];
2N/A char ino[6];
2N/A char mode[6];
2N/A char uid[6];
2N/A char gid[6];
2N/A char nlink[6];
2N/A char rdev[6];
2N/A char mtime[11];
2N/A char namesize[6];
2N/A char filesize[11];
2N/A} __attribute__ ((packed));
2N/A#elif defined (MODE_NEWC)
2N/A#define ALIGN_CPIO(x) (ALIGN_UP ((x), 4))
2N/A#define MAGIC "070701"
2N/A#define MAGIC2 "070702"
2N/Astruct head
2N/A{
2N/A char magic[6];
2N/A char ino[8];
2N/A char mode[8];
2N/A char uid[8];
2N/A char gid[8];
2N/A char nlink[8];
2N/A char mtime[8];
2N/A char filesize[8];
2N/A char devmajor[8];
2N/A char devminor[8];
2N/A char rdevmajor[8];
2N/A char rdevminor[8];
2N/A char namesize[8];
2N/A char check[8];
2N/A} __attribute__ ((packed));
2N/A#elif !defined (MODE_USTAR)
2N/A/* cpio support */
2N/A#define ALIGN_CPIO(x) (ALIGN_UP ((x), 2))
2N/A#ifdef MODE_BIGENDIAN
2N/A#define MAGIC "\x71\xc7"
2N/A#else
2N/A#define MAGIC "\xc7\x71"
2N/A#endif
2N/Astruct head
2N/A{
2N/A grub_uint16_t magic[1];
2N/A grub_uint16_t dev;
2N/A grub_uint16_t ino;
2N/A grub_uint16_t mode[1];
2N/A grub_uint16_t uid;
2N/A grub_uint16_t gid;
2N/A grub_uint16_t nlink;
2N/A grub_uint16_t rdev;
2N/A grub_uint16_t mtime[2];
2N/A grub_uint16_t namesize[1];
2N/A grub_uint16_t filesize[2];
2N/A} __attribute__ ((packed));
2N/A#else
2N/A/* tar support */
2N/A#define MAGIC "ustar"
2N/Astruct head
2N/A{
2N/A char name[100];
2N/A char mode[8];
2N/A char uid[8];
2N/A char gid[8];
2N/A char size[12];
2N/A char mtime[12];
2N/A char chksum[8];
2N/A char typeflag;
2N/A char linkname[100];
2N/A char magic[6];
2N/A char version[2];
2N/A char uname[32];
2N/A char gname[32];
2N/A char devmajor[8];
2N/A char devminor[8];
2N/A char prefix[155];
2N/A} __attribute__ ((packed));
2N/A#endif
2N/A
2N/Astruct grub_cpio_data
2N/A{
2N/A grub_disk_t disk;
2N/A grub_off_t hofs;
2N/A grub_off_t dofs;
2N/A grub_off_t size;
2N/A#ifdef MODE_USTAR
2N/A char *linkname;
2N/A grub_size_t linkname_alloc;
2N/A#endif
2N/A};
2N/A
2N/Astatic grub_dl_t my_mod;
2N/A
2N/Astatic inline void
2N/Acanonicalize (char *name)
2N/A{
2N/A char *iptr, *optr;
2N/A for (iptr = name, optr = name; *iptr; )
2N/A {
2N/A while (*iptr == '/')
2N/A iptr++;
2N/A if (iptr[0] == '.' && (iptr[1] == '/' || iptr[1] == 0))
2N/A {
2N/A iptr += 2;
2N/A continue;
2N/A }
2N/A while (*iptr && *iptr != '/')
2N/A *optr++ = *iptr++;
2N/A if (*iptr)
2N/A *optr++ = *iptr++;
2N/A }
2N/A *optr = 0;
2N/A}
2N/A
2N/A#if defined (MODE_ODC) || defined (MODE_USTAR)
2N/Astatic inline unsigned long long
2N/Aread_number (const char *str, grub_size_t size)
2N/A{
2N/A unsigned long long ret = 0;
2N/A while (size-- && *str >= '0' && *str <= '7')
2N/A ret = (ret << 3) | (*str++ & 0xf);
2N/A return ret;
2N/A}
2N/A#elif defined (MODE_NEWC)
2N/Astatic inline unsigned long long
2N/Aread_number (const char *str, grub_size_t size)
2N/A{
2N/A unsigned long long ret = 0;
2N/A while (size-- && grub_isxdigit (*str))
2N/A {
2N/A char dig = *str++;
2N/A if (dig >= '0' && dig <= '9')
2N/A dig &= 0xf;
2N/A else if (dig >= 'a' && dig <= 'f')
2N/A dig -= 'a' - 10;
2N/A else
2N/A dig -= 'A' - 10;
2N/A ret = (ret << 4) | (dig);
2N/A }
2N/A return ret;
2N/A}
2N/A#else
2N/Astatic inline unsigned long long
2N/Aread_number (const grub_uint16_t *arr, grub_size_t size)
2N/A{
2N/A long long ret = 0;
2N/A#ifdef MODE_BIGENDIAN
2N/A while (size--)
2N/A ret = (ret << 16) | grub_be_to_cpu16 (*arr++);
2N/A#else
2N/A while (size--)
2N/A ret = (ret << 16) | grub_le_to_cpu16 (*arr++);
2N/A#endif
2N/A return ret;
2N/A}
2N/A#endif
2N/A
2N/Astatic grub_err_t
2N/Agrub_cpio_find_file (struct grub_cpio_data *data, char **name,
2N/A grub_int32_t *mtime, grub_disk_addr_t *ofs,
2N/A grub_uint32_t *mode)
2N/A{
2N/A#ifndef MODE_USTAR
2N/A struct head hd;
2N/A grub_size_t namesize;
2N/A grub_uint32_t modeval;
2N/A
2N/A if (grub_disk_read (data->disk, 0, data->hofs, sizeof (hd), &hd))
2N/A return grub_errno;
2N/A
2N/A if (grub_memcmp (hd.magic, MAGIC, sizeof (hd.magic)) != 0
2N/A#ifdef MAGIC2
2N/A && grub_memcmp (hd.magic, MAGIC2, sizeof (hd.magic)) != 0
2N/A#endif
2N/A )
2N/A return grub_error (GRUB_ERR_BAD_FS, "invalid cpio archive");
2N/A data->size = read_number (hd.filesize, ARRAY_SIZE (hd.filesize));
2N/A if (mtime)
2N/A *mtime = read_number (hd.mtime, ARRAY_SIZE (hd.mtime));
2N/A modeval = read_number (hd.mode, ARRAY_SIZE (hd.mode));
2N/A namesize = read_number (hd.namesize, ARRAY_SIZE (hd.namesize));
2N/A
2N/A if (mode)
2N/A *mode = modeval;
2N/A
2N/A *name = grub_malloc (namesize + 1);
2N/A if (*name == NULL)
2N/A return grub_errno;
2N/A
2N/A if (grub_disk_read (data->disk, 0, data->hofs + sizeof (hd),
2N/A namesize, *name))
2N/A {
2N/A grub_free (*name);
2N/A return grub_errno;
2N/A }
2N/A (*name)[namesize] = 0;
2N/A
2N/A if (data->size == 0 && modeval == 0 && namesize == 11
2N/A && grub_memcmp(*name, "TRAILER!!!", 11) == 0)
2N/A {
2N/A *ofs = 0;
2N/A grub_free (*name);
2N/A return GRUB_ERR_NONE;
2N/A }
2N/A
2N/A canonicalize (*name);
2N/A
2N/A data->dofs = data->hofs + ALIGN_CPIO (sizeof (hd) + namesize);
2N/A *ofs = data->dofs + ALIGN_CPIO (data->size);
2N/A#else
2N/A struct head hd;
2N/A int reread = 0, have_longname = 0, have_longlink = 0;
2N/A
2N/A for (reread = 0; reread < 3; reread++)
2N/A {
2N/A if (grub_disk_read (data->disk, 0, data->hofs, sizeof (hd), &hd))
2N/A return grub_errno;
2N/A
2N/A if (!hd.name[0])
2N/A {
2N/A *ofs = 0;
2N/A return GRUB_ERR_NONE;
2N/A }
2N/A
2N/A if (grub_memcmp (hd.magic, MAGIC, sizeof (MAGIC) - 1))
2N/A return grub_error (GRUB_ERR_BAD_FS, "invalid tar archive");
2N/A
2N/A if (hd.typeflag == 'L')
2N/A {
2N/A grub_err_t err;
2N/A grub_size_t namesize = read_number (hd.size, sizeof (hd.size));
2N/A *name = grub_malloc (namesize + 1);
2N/A if (*name == NULL)
2N/A return grub_errno;
2N/A err = grub_disk_read (data->disk, 0,
2N/A data->hofs + GRUB_DISK_SECTOR_SIZE, namesize,
2N/A *name);
2N/A (*name)[namesize] = 0;
2N/A if (err)
2N/A return err;
2N/A data->hofs += GRUB_DISK_SECTOR_SIZE
2N/A + ((namesize + GRUB_DISK_SECTOR_SIZE - 1) &
2N/A ~(GRUB_DISK_SECTOR_SIZE - 1));
2N/A have_longname = 1;
2N/A continue;
2N/A }
2N/A
2N/A if (hd.typeflag == 'K')
2N/A {
2N/A grub_err_t err;
2N/A grub_size_t linksize = read_number (hd.size, sizeof (hd.size));
2N/A if (data->linkname_alloc < linksize + 1)
2N/A {
2N/A char *n;
2N/A n = grub_malloc (2 * (linksize + 1));
2N/A if (!n)
2N/A return grub_errno;
2N/A grub_free (data->linkname);
2N/A data->linkname = n;
2N/A data->linkname_alloc = 2 * (linksize + 1);
2N/A }
2N/A
2N/A err = grub_disk_read (data->disk, 0,
2N/A data->hofs + GRUB_DISK_SECTOR_SIZE, linksize,
2N/A data->linkname);
2N/A if (err)
2N/A return err;
2N/A data->linkname[linksize] = 0;
2N/A data->hofs += GRUB_DISK_SECTOR_SIZE
2N/A + ((linksize + GRUB_DISK_SECTOR_SIZE - 1) &
2N/A ~(GRUB_DISK_SECTOR_SIZE - 1));
2N/A have_longlink = 1;
2N/A continue;
2N/A }
2N/A
2N/A if (!have_longname)
2N/A {
2N/A *name = grub_strndup (hd.name, sizeof (hd.name));
2N/A if (*name == NULL)
2N/A return grub_errno;
2N/A }
2N/A
2N/A data->size = read_number (hd.size, sizeof (hd.size));
2N/A data->dofs = data->hofs + GRUB_DISK_SECTOR_SIZE;
2N/A *ofs = data->dofs + ((data->size + GRUB_DISK_SECTOR_SIZE - 1) &
2N/A ~(GRUB_DISK_SECTOR_SIZE - 1));
2N/A if (mtime)
2N/A *mtime = read_number (hd.mtime, sizeof (hd.mtime));
2N/A if (mode)
2N/A {
2N/A *mode = read_number (hd.mode, sizeof (hd.mode));
2N/A switch (hd.typeflag)
2N/A {
2N/A case '2':
2N/A *mode |= ATTR_LNK;
2N/A break;
2N/A case '0':
2N/A *mode |= ATTR_FILE;
2N/A break;
2N/A case '5':
2N/A *mode |= ATTR_DIR;
2N/A break;
2N/A }
2N/A }
2N/A if (!have_longlink)
2N/A {
2N/A if (data->linkname_alloc < 101)
2N/A {
2N/A char *n;
2N/A n = grub_malloc (101);
2N/A if (!n)
2N/A return grub_errno;
2N/A grub_free (data->linkname);
2N/A data->linkname = n;
2N/A data->linkname_alloc = 101;
2N/A }
2N/A grub_memcpy (data->linkname, hd.linkname, sizeof (hd.linkname));
2N/A data->linkname[100] = 0;
2N/A }
2N/A
2N/A canonicalize (*name);
2N/A return GRUB_ERR_NONE;
2N/A }
2N/A#endif
2N/A return GRUB_ERR_NONE;
2N/A}
2N/A
2N/Astatic struct grub_cpio_data *
2N/Agrub_cpio_mount (grub_disk_t disk)
2N/A{
2N/A struct head hd;
2N/A struct grub_cpio_data *data;
2N/A
2N/A if (grub_disk_read (disk, 0, 0, sizeof (hd), &hd))
2N/A goto fail;
2N/A
2N/A if (grub_memcmp (hd.magic, MAGIC, sizeof (MAGIC) - 1)
2N/A#ifdef MAGIC2
2N/A && grub_memcmp (hd.magic, MAGIC2, sizeof (MAGIC2) - 1)
2N/A#endif
2N/A )
2N/A goto fail;
2N/A
2N/A data = (struct grub_cpio_data *) grub_zalloc (sizeof (*data));
2N/A if (!data)
2N/A goto fail;
2N/A
2N/A data->disk = disk;
2N/A
2N/A return data;
2N/A
2N/Afail:
2N/A grub_error (GRUB_ERR_BAD_FS, "not a "
2N/A#ifdef MODE_USTAR
2N/A "tar"
2N/A#else
2N/A "cpio"
2N/A#endif
2N/A " filesystem");
2N/A return 0;
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Ahandle_symlink (struct grub_cpio_data *data,
2N/A const char *fn, char **name,
2N/A grub_uint32_t mode, int *restart)
2N/A{
2N/A grub_size_t flen;
2N/A char *target;
2N/A#ifndef MODE_USTAR
2N/A grub_err_t err;
2N/A#endif
2N/A char *ptr;
2N/A char *lastslash;
2N/A grub_size_t prefixlen;
2N/A char *rest;
2N/A grub_size_t size;
2N/A
2N/A *restart = 0;
2N/A
2N/A if ((mode & ATTR_TYPE) != ATTR_LNK)
2N/A return GRUB_ERR_NONE;
2N/A flen = grub_strlen (fn);
2N/A if (grub_memcmp (*name, fn, flen) != 0
2N/A || ((*name)[flen] != 0 && (*name)[flen] != '/'))
2N/A return GRUB_ERR_NONE;
2N/A rest = *name + flen;
2N/A lastslash = rest;
2N/A if (*rest)
2N/A rest++;
2N/A while (lastslash >= *name && *lastslash != '/')
2N/A lastslash--;
2N/A if (lastslash >= *name)
2N/A prefixlen = lastslash - *name;
2N/A else
2N/A prefixlen = 0;
2N/A
2N/A if (prefixlen)
2N/A prefixlen++;
2N/A
2N/A#ifdef MODE_USTAR
2N/A size = grub_strlen (data->linkname);
2N/A#else
2N/A size = data->size;
2N/A#endif
2N/A if (size == 0)
2N/A return GRUB_ERR_NONE;
2N/A target = grub_malloc (size + grub_strlen (*name) + 2);
2N/A if (!target)
2N/A return grub_errno;
2N/A
2N/A#ifdef MODE_USTAR
2N/A grub_memcpy (target + prefixlen, data->linkname, size);
2N/A#else
2N/A err = grub_disk_read (data->disk, 0, data->dofs, data->size,
2N/A target + prefixlen);
2N/A if (err)
2N/A return err;
2N/A#endif
2N/A if (target[prefixlen] == '/')
2N/A {
2N/A grub_memmove (target, target + prefixlen, data->size - 1);
2N/A ptr = target + data->size - 1;
2N/A ptr = grub_stpcpy (ptr, rest);
2N/A *ptr = 0;
2N/A grub_dprintf ("cpio", "symlink redirected %s to %s\n",
2N/A *name, target);
2N/A grub_free (*name);
2N/A *name = target;
2N/A *restart = 1;
2N/A return GRUB_ERR_NONE;
2N/A }
2N/A if (prefixlen)
2N/A {
2N/A grub_memcpy (target, *name, prefixlen);
2N/A target[prefixlen] = '/';
2N/A }
2N/A ptr = target + prefixlen + size;
2N/A ptr = grub_stpcpy (ptr, rest);
2N/A *ptr = 0;
2N/A grub_dprintf ("cpio", "symlink redirected %s to %s\n",
2N/A *name, target);
2N/A grub_free (*name);
2N/A *name = target;
2N/A *restart = 1;
2N/A return GRUB_ERR_NONE;
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_cpio_dir (grub_device_t device, const char *path_in,
2N/A int (*hook) (const char *filename,
2N/A const struct grub_dirhook_info *info))
2N/A{
2N/A struct grub_cpio_data *data;
2N/A grub_disk_addr_t ofs;
2N/A char *prev, *name, *path, *ptr;
2N/A grub_size_t len;
2N/A int symlinknest = 0;
2N/A
2N/A path = grub_strdup (path_in + 1);
2N/A if (!path)
2N/A return grub_errno;
2N/A for (ptr = path + grub_strlen (path) - 1; ptr >= path && *ptr == '/'; ptr--)
2N/A *ptr = 0;
2N/A
2N/A grub_dl_ref (my_mod);
2N/A
2N/A prev = 0;
2N/A
2N/A data = grub_cpio_mount (device->disk);
2N/A if (!data)
2N/A {
2N/A grub_free (path);
2N/A return grub_errno;
2N/A }
2N/A
2N/A len = grub_strlen (path);
2N/A data->hofs = 0;
2N/A while (1)
2N/A {
2N/A grub_int32_t mtime;
2N/A grub_uint32_t mode;
2N/A grub_err_t err;
2N/A
2N/A if (grub_cpio_find_file (data, &name, &mtime, &ofs, &mode))
2N/A goto fail;
2N/A
2N/A if (!ofs)
2N/A break;
2N/A
2N/A if (grub_memcmp (path, name, len) == 0
2N/A && (name[len] == 0 || name[len] == '/' || len == 0))
2N/A {
2N/A char *p, *n;
2N/A
2N/A n = name + len;
2N/A while (*n == '/')
2N/A n++;
2N/A
2N/A p = grub_strchr (n, '/');
2N/A if (p)
2N/A *p = 0;
2N/A
2N/A if (((!prev) || (grub_strcmp (prev, n) != 0)) && *n != 0)
2N/A {
2N/A struct grub_dirhook_info info;
2N/A grub_memset (&info, 0, sizeof (info));
2N/A info.dir = (p != NULL);
2N/A info.mtime = mtime;
2N/A info.mtimeset = 1;
2N/A
2N/A if (hook (n, &info))
2N/A goto fail;
2N/A grub_free (prev);
2N/A prev = name;
2N/A }
2N/A else
2N/A {
2N/A int restart;
2N/A err = handle_symlink (data, name, &path, mode, &restart);
2N/A grub_free (name);
2N/A if (err)
2N/A goto fail;
2N/A if (restart)
2N/A {
2N/A len = grub_strlen (path);
2N/A if (++symlinknest == 8)
2N/A {
2N/A grub_error (GRUB_ERR_SYMLINK_LOOP,
2N/A "too deep nesting of symlinks");
2N/A goto fail;
2N/A }
2N/A ofs = 0;
2N/A }
2N/A }
2N/A }
2N/A else
2N/A grub_free (name);
2N/A data->hofs = ofs;
2N/A }
2N/A
2N/Afail:
2N/A
2N/A grub_free (path);
2N/A grub_free (prev);
2N/A#ifdef MODE_USTAR
2N/A grub_free (data->linkname);
2N/A#endif
2N/A grub_free (data);
2N/A
2N/A grub_dl_unref (my_mod);
2N/A
2N/A return grub_errno;
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_cpio_open (grub_file_t file, const char *name_in)
2N/A{
2N/A struct grub_cpio_data *data;
2N/A grub_disk_addr_t ofs;
2N/A char *fn;
2N/A char *name = grub_strdup (name_in + 1);
2N/A int symlinknest = 0;
2N/A
2N/A if (!name)
2N/A return grub_errno;
2N/A
2N/A grub_dl_ref (my_mod);
2N/A
2N/A data = grub_cpio_mount (file->device->disk);
2N/A if (!data)
2N/A {
2N/A grub_free (name);
2N/A return grub_errno;
2N/A }
2N/A
2N/A data->hofs = 0;
2N/A while (1)
2N/A {
2N/A grub_uint32_t mode;
2N/A int restart;
2N/A
2N/A if (grub_cpio_find_file (data, &fn, NULL, &ofs, &mode))
2N/A goto fail;
2N/A
2N/A if (!ofs)
2N/A {
2N/A grub_error (GRUB_ERR_FILE_NOT_FOUND, "file not found: %s", name);
2N/A break;
2N/A }
2N/A
2N/A if (handle_symlink (data, fn, &name, mode, &restart))
2N/A {
2N/A grub_free (fn);
2N/A goto fail;
2N/A }
2N/A
2N/A if (restart)
2N/A {
2N/A ofs = 0;
2N/A if (++symlinknest == 8)
2N/A {
2N/A grub_error (GRUB_ERR_SYMLINK_LOOP,
2N/A "too deep nesting of symlinks");
2N/A goto fail;
2N/A }
2N/A goto no_match;
2N/A }
2N/A
2N/A if (grub_strcmp (name, fn) != 0)
2N/A goto no_match;
2N/A
2N/A file->data = data;
2N/A file->size = data->size;
2N/A grub_free (fn);
2N/A grub_free (name);
2N/A
2N/A return GRUB_ERR_NONE;
2N/A
2N/A no_match:
2N/A
2N/A grub_free (fn);
2N/A data->hofs = ofs;
2N/A }
2N/A
2N/Afail:
2N/A#ifdef MODE_USTAR
2N/A grub_free (data->linkname);
2N/A#endif
2N/A grub_free (data);
2N/A grub_free (name);
2N/A
2N/A grub_dl_unref (my_mod);
2N/A
2N/A return grub_errno;
2N/A}
2N/A
2N/Astatic grub_ssize_t
2N/Agrub_cpio_read (grub_file_t file, char *buf, grub_size_t len)
2N/A{
2N/A struct grub_cpio_data *data;
2N/A
2N/A data = file->data;
2N/A return (grub_disk_read (data->disk, 0, data->dofs + file->offset,
2N/A len, buf)) ? -1 : (grub_ssize_t) len;
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_cpio_close (grub_file_t file)
2N/A{
2N/A struct grub_cpio_data *data;
2N/A
2N/A data = file->data;
2N/A#ifdef MODE_USTAR
2N/A grub_free (data->linkname);
2N/A#endif
2N/A grub_free (data);
2N/A
2N/A grub_dl_unref (my_mod);
2N/A
2N/A return grub_errno;
2N/A}
2N/A
2N/Astatic struct grub_fs grub_cpio_fs = {
2N/A#ifdef MODE_USTAR
2N/A .name = "tarfs",
2N/A#elif defined (MODE_ODC)
2N/A .name = "odc",
2N/A#elif defined (MODE_NEWC)
2N/A .name = "newc",
2N/A#else
2N/A .name = "cpiofs",
2N/A#endif
2N/A .dir = grub_cpio_dir,
2N/A .open = grub_cpio_open,
2N/A .read = grub_cpio_read,
2N/A .close = grub_cpio_close,
2N/A#ifdef GRUB_UTIL
2N/A .reserved_first_sector = 0,
2N/A#endif
2N/A};
2N/A
2N/A#ifdef MODE_USTAR
2N/AGRUB_MOD_INIT (tar)
2N/A#elif defined (MODE_ODC)
2N/AGRUB_MOD_INIT (odc)
2N/A#elif defined (MODE_NEWC)
2N/AGRUB_MOD_INIT (newc)
2N/A#elif defined (MODE_BIGENDIAN)
2N/AGRUB_MOD_INIT (cpio_be)
2N/A#else
2N/AGRUB_MOD_INIT (cpio)
2N/A#endif
2N/A{
2N/A grub_fs_register (&grub_cpio_fs);
2N/A my_mod = mod;
2N/A}
2N/A
2N/A#ifdef MODE_USTAR
2N/AGRUB_MOD_FINI (tar)
2N/A#elif defined (MODE_ODC)
2N/AGRUB_MOD_FINI (odc)
2N/A#elif defined (MODE_NEWC)
2N/AGRUB_MOD_FINI (newc)
2N/A#elif defined (MODE_BIGENDIAN)
2N/AGRUB_MOD_FINI (cpio_be)
2N/A#else
2N/AGRUB_MOD_FINI (cpio)
2N/A#endif
2N/A{
2N/A grub_fs_unregister (&grub_cpio_fs);
2N/A}