3be82e10a9
* grub-core/commands/xnu_uuid.c (libgrubkrn): Add grub-core/commands/xnu_uuid.c. * util/grub-fstest.c (CMD_XNU_UUID): New enum value. (fstest): Handle xnu_uuid. (options): Document xnu_uuid. (argp_parser): Parse xnu_uuid.
657 lines
14 KiB
C
657 lines
14 KiB
C
/* grub-fstest.c - debug tool for filesystem driver */
|
|
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2008,2009,2010 Free Software Foundation, Inc.
|
|
*
|
|
* GRUB is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GRUB is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <grub/types.h>
|
|
#include <grub/emu/misc.h>
|
|
#include <grub/util/misc.h>
|
|
#include <grub/misc.h>
|
|
#include <grub/device.h>
|
|
#include <grub/disk.h>
|
|
#include <grub/file.h>
|
|
#include <grub/fs.h>
|
|
#include <grub/env.h>
|
|
#include <grub/term.h>
|
|
#include <grub/mm.h>
|
|
#include <grub/lib/hexdump.h>
|
|
#include <grub/crypto.h>
|
|
#include <grub/command.h>
|
|
#include <grub/i18n.h>
|
|
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "progname.h"
|
|
#include "argp.h"
|
|
|
|
static grub_err_t
|
|
execute_command (char *name, int n, char **args)
|
|
{
|
|
grub_command_t cmd;
|
|
|
|
cmd = grub_command_find (name);
|
|
if (! cmd)
|
|
grub_util_error (_("can\'t find command %s"), name);
|
|
|
|
return (cmd->func) (cmd, n, args);
|
|
}
|
|
|
|
enum {
|
|
CMD_LS = 1,
|
|
CMD_CP,
|
|
CMD_CAT,
|
|
CMD_CMP,
|
|
CMD_HEX,
|
|
CMD_CRC,
|
|
CMD_BLOCKLIST,
|
|
CMD_TESTLOAD,
|
|
CMD_ZFSINFO,
|
|
CMD_XNU_UUID
|
|
};
|
|
#define BUF_SIZE 32256
|
|
|
|
static grub_disk_addr_t skip, leng;
|
|
static int uncompress = 0;
|
|
|
|
static void
|
|
read_file (char *pathname, int (*hook) (grub_off_t ofs, char *buf, int len))
|
|
{
|
|
static char buf[BUF_SIZE];
|
|
grub_file_t file;
|
|
grub_off_t ofs, len;
|
|
|
|
if ((pathname[0] == '-') && (pathname[1] == 0))
|
|
{
|
|
grub_device_t dev;
|
|
|
|
dev = grub_device_open (0);
|
|
if ((! dev) || (! dev->disk))
|
|
grub_util_error (_("can\'t open device"));
|
|
|
|
grub_util_info ("total sectors : %lld",
|
|
(unsigned long long) dev->disk->total_sectors);
|
|
|
|
if (! leng)
|
|
leng = (dev->disk->total_sectors << GRUB_DISK_SECTOR_BITS) - skip;
|
|
|
|
while (leng)
|
|
{
|
|
grub_size_t len;
|
|
|
|
len = (leng > BUF_SIZE) ? BUF_SIZE : leng;
|
|
|
|
if (grub_disk_read (dev->disk, 0, skip, len, buf))
|
|
grub_util_error (_("disk read fails at offset %lld, length %d"),
|
|
skip, len);
|
|
|
|
if (hook (skip, buf, len))
|
|
break;
|
|
|
|
skip += len;
|
|
leng -= len;
|
|
}
|
|
|
|
grub_device_close (dev);
|
|
return;
|
|
}
|
|
|
|
if (uncompress == 0)
|
|
grub_file_filter_disable_compression ();
|
|
file = grub_file_open (pathname);
|
|
if (!file)
|
|
{
|
|
grub_util_error (_("cannot open file %s:%s"), pathname,
|
|
grub_errmsg);
|
|
return;
|
|
}
|
|
|
|
grub_util_info ("file size : %lld", (unsigned long long) file->size);
|
|
|
|
if (skip > file->size)
|
|
{
|
|
grub_util_error (_("invalid skip value %lld"), (unsigned long long) skip);
|
|
return;
|
|
}
|
|
|
|
ofs = skip;
|
|
len = file->size - skip;
|
|
if ((leng) && (leng < len))
|
|
len = leng;
|
|
|
|
file->offset = skip;
|
|
|
|
while (len)
|
|
{
|
|
grub_ssize_t sz;
|
|
|
|
sz = grub_file_read (file, buf, (len > BUF_SIZE) ? BUF_SIZE : len);
|
|
if (sz < 0)
|
|
{
|
|
grub_util_error (_("read error at offset %llu: %s"), ofs,
|
|
grub_errmsg);
|
|
break;
|
|
}
|
|
|
|
if ((sz == 0) || (hook (ofs, buf, sz)))
|
|
break;
|
|
|
|
ofs += sz;
|
|
len -= sz;
|
|
}
|
|
|
|
grub_file_close (file);
|
|
}
|
|
|
|
static void
|
|
cmd_cp (char *src, char *dest)
|
|
{
|
|
FILE *ff;
|
|
|
|
auto int cp_hook (grub_off_t ofs, char *buf, int len);
|
|
int cp_hook (grub_off_t ofs, char *buf, int len)
|
|
{
|
|
(void) ofs;
|
|
|
|
if ((int) fwrite (buf, 1, len, ff) != len)
|
|
{
|
|
grub_util_error (_("write error"));
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
ff = fopen (dest, "wb");
|
|
if (ff == NULL)
|
|
{
|
|
grub_util_error (_("open error"));
|
|
return;
|
|
}
|
|
read_file (src, cp_hook);
|
|
fclose (ff);
|
|
}
|
|
|
|
static void
|
|
cmd_cat (char *src)
|
|
{
|
|
auto int cat_hook (grub_off_t ofs, char *buf, int len);
|
|
int cat_hook (grub_off_t ofs, char *buf, int len)
|
|
{
|
|
(void) ofs;
|
|
|
|
if ((int) fwrite (buf, 1, len, stdout) != len)
|
|
{
|
|
grub_util_error (_("write error"));
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
read_file (src, cat_hook);
|
|
}
|
|
|
|
static void
|
|
cmd_cmp (char *src, char *dest)
|
|
{
|
|
FILE *ff;
|
|
static char buf_1[BUF_SIZE];
|
|
|
|
auto int cmp_hook (grub_off_t ofs, char *buf, int len);
|
|
int cmp_hook (grub_off_t ofs, char *buf, int len)
|
|
{
|
|
if ((int) fread (buf_1, 1, len, ff) != len)
|
|
{
|
|
grub_util_error (_("read error at offset %llu: %s"), ofs, grub_errmsg);
|
|
return 1;
|
|
}
|
|
|
|
if (grub_memcmp (buf, buf_1, len))
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < len; i++, ofs++)
|
|
if (buf_1[i] != buf[i])
|
|
{
|
|
grub_util_error (_("compare fail at offset %llu"), ofs);
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
ff = fopen (dest, "rb");
|
|
if (ff == NULL)
|
|
{
|
|
grub_util_error (_("open error"));
|
|
return;
|
|
}
|
|
|
|
if ((skip) && (fseeko (ff, skip, SEEK_SET)))
|
|
grub_util_error (_("seek error"));
|
|
|
|
read_file (src, cmp_hook);
|
|
|
|
{
|
|
grub_uint64_t pre;
|
|
pre = ftell (ff);
|
|
fseek (ff, 0, SEEK_END);
|
|
if (pre != ftell (ff))
|
|
grub_util_error (_("unexpected end of file"));
|
|
}
|
|
fclose (ff);
|
|
}
|
|
|
|
static void
|
|
cmd_hex (char *pathname)
|
|
{
|
|
auto int hex_hook (grub_off_t ofs, char *buf, int len);
|
|
int hex_hook (grub_off_t ofs, char *buf, int len)
|
|
{
|
|
hexdump (ofs, buf, len);
|
|
return 0;
|
|
}
|
|
|
|
read_file (pathname, hex_hook);
|
|
}
|
|
|
|
static void
|
|
cmd_crc (char *pathname)
|
|
{
|
|
grub_uint8_t crc32_context[GRUB_MD_CRC32->contextsize];
|
|
GRUB_MD_CRC32->init(crc32_context);
|
|
|
|
auto int crc_hook (grub_off_t ofs, char *buf, int len);
|
|
int crc_hook (grub_off_t ofs, char *buf, int len)
|
|
{
|
|
(void) ofs;
|
|
|
|
GRUB_MD_CRC32->write(crc32_context, buf, len);
|
|
return 0;
|
|
}
|
|
|
|
read_file (pathname, crc_hook);
|
|
GRUB_MD_CRC32->final(crc32_context);
|
|
printf ("%08x\n",
|
|
grub_be_to_cpu32(*(grub_uint32_t*)GRUB_MD_CRC32->read(crc32_context)));
|
|
}
|
|
|
|
static char *root = NULL;
|
|
static int args_count = 0;
|
|
static int nparm = 0;
|
|
static int num_disks = 1;
|
|
static char **images = NULL;
|
|
static int cmd = 0;
|
|
static char *debug_str = NULL;
|
|
static char **args = NULL;
|
|
static int mount_crypt = 0;
|
|
|
|
static void
|
|
fstest (int n, char **args)
|
|
{
|
|
char *host_file;
|
|
char *loop_name;
|
|
int i;
|
|
|
|
for (i = 0; i < num_disks; i++)
|
|
{
|
|
char *argv[2];
|
|
loop_name = grub_xasprintf ("loop%d", i);
|
|
if (!loop_name)
|
|
grub_util_error (grub_errmsg);
|
|
|
|
host_file = grub_xasprintf ("(host)%s", images[i]);
|
|
if (!host_file)
|
|
grub_util_error (grub_errmsg);
|
|
|
|
argv[0] = loop_name;
|
|
argv[1] = host_file;
|
|
|
|
if (execute_command ("loopback", 2, argv))
|
|
grub_util_error (_("loopback command fails"));
|
|
|
|
grub_free (loop_name);
|
|
grub_free (host_file);
|
|
}
|
|
|
|
{
|
|
char *argv[2] = { "-a", NULL};
|
|
if (mount_crypt)
|
|
{
|
|
if (execute_command ("cryptomount", 1, argv))
|
|
grub_util_error (_("cryptomount command fails: %s"), grub_errmsg);
|
|
}
|
|
}
|
|
|
|
grub_lvm_fini ();
|
|
grub_mdraid09_fini ();
|
|
grub_mdraid1x_fini ();
|
|
grub_raid_fini ();
|
|
grub_raid_init ();
|
|
grub_mdraid09_init ();
|
|
grub_mdraid1x_init ();
|
|
grub_lvm_init ();
|
|
|
|
switch (cmd)
|
|
{
|
|
case CMD_LS:
|
|
execute_command ("ls", n, args);
|
|
break;
|
|
case CMD_ZFSINFO:
|
|
execute_command ("zfsinfo", n, args);
|
|
break;
|
|
case CMD_CP:
|
|
cmd_cp (args[0], args[1]);
|
|
break;
|
|
case CMD_CAT:
|
|
cmd_cat (args[0]);
|
|
break;
|
|
case CMD_CMP:
|
|
cmd_cmp (args[0], args[1]);
|
|
break;
|
|
case CMD_HEX:
|
|
cmd_hex (args[0]);
|
|
break;
|
|
case CMD_CRC:
|
|
cmd_crc (args[0]);
|
|
break;
|
|
case CMD_BLOCKLIST:
|
|
execute_command ("blocklist", n, args);
|
|
grub_printf ("\n");
|
|
case CMD_TESTLOAD:
|
|
execute_command ("testload", n, args);
|
|
grub_printf ("\n");
|
|
case CMD_XNU_UUID:
|
|
{
|
|
grub_device_t dev;
|
|
grub_fs_t fs;
|
|
char *uuid = 0;
|
|
char *argv[3] = { "-l", NULL, NULL};
|
|
dev = grub_device_open (n ? args[0] : 0);
|
|
if (!dev)
|
|
grub_util_error (grub_errmsg);
|
|
fs = grub_fs_probe (dev);
|
|
if (!fs)
|
|
grub_util_error (grub_errmsg);
|
|
if (!fs->uuid)
|
|
grub_util_error ("couldn't retrieve UUID");
|
|
if (fs->uuid (dev, &uuid))
|
|
grub_util_error (grub_errmsg);
|
|
if (!uuid)
|
|
grub_util_error ("couldn't retrieve UUID");
|
|
argv[1] = uuid;
|
|
execute_command ("xnu_uuid", 2, argv);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < num_disks; i++)
|
|
{
|
|
char *argv[2];
|
|
|
|
loop_name = grub_xasprintf ("loop%d", i);
|
|
if (!loop_name)
|
|
grub_util_error (grub_errmsg);
|
|
|
|
argv[0] = "-d";
|
|
argv[1] = loop_name;
|
|
|
|
execute_command ("loopback", 2, argv);
|
|
|
|
grub_free (loop_name);
|
|
}
|
|
}
|
|
|
|
static struct argp_option options[] = {
|
|
{0, 0, 0 , OPTION_DOC, N_("Commands:"), 1},
|
|
{N_("ls PATH"), 0, 0 , OPTION_DOC, N_("List files in PATH."), 1},
|
|
{N_("cp FILE LOCAL"), 0, 0, OPTION_DOC, N_("Copy FILE to local file LOCAL."), 1},
|
|
{N_("cat FILE"), 0, 0 , OPTION_DOC, N_("Copy FILE to standard output."), 1},
|
|
{N_("cmp FILE LOCAL"), 0, 0, OPTION_DOC, N_("Compare FILE with local file LOCAL."), 1},
|
|
{N_("hex FILE"), 0, 0 , OPTION_DOC, N_("Hex dump FILE."), 1},
|
|
{N_("crc FILE"), 0, 0 , OPTION_DOC, N_("Get crc32 checksum of FILE."), 1},
|
|
{N_("blocklist FILE"), 0, 0, OPTION_DOC, N_("Display blocklist of FILE."), 1},
|
|
{N_("xnu_uuid"), 0, 0, OPTION_DOC, N_("Compute XNU UUID of the device."), 1},
|
|
|
|
{"root", 'r', N_("DEVICE_NAME"), 0, N_("Set root device."), 2},
|
|
{"skip", 's', "N", 0, N_("Skip N bytes from output file."), 2},
|
|
{"length", 'n', "N", 0, N_("Handle N bytes in output file."), 2},
|
|
{"diskcount", 'c', "N", 0, N_("N input files."), 2},
|
|
{"debug", 'd', "S", 0, N_("Set debug environment variable."), 2},
|
|
{"crypto", 'C', NULL, OPTION_ARG_OPTIONAL, N_("Mount crypto devices."), 2},
|
|
{"verbose", 'v', NULL, OPTION_ARG_OPTIONAL, N_("Print verbose messages."), 2},
|
|
{"uncompress", 'u', NULL, OPTION_ARG_OPTIONAL, N_("Uncompress data."), 2},
|
|
{0, 0, 0, 0, 0, 0}
|
|
};
|
|
|
|
/* Print the version information. */
|
|
static void
|
|
print_version (FILE *stream, struct argp_state *state)
|
|
{
|
|
fprintf (stream, "%s (%s) %s\n", program_name, PACKAGE_NAME, PACKAGE_VERSION);
|
|
}
|
|
void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
|
|
|
|
error_t
|
|
argp_parser (int key, char *arg, struct argp_state *state)
|
|
{
|
|
char *p;
|
|
|
|
switch (key)
|
|
{
|
|
case 'r':
|
|
root = arg;
|
|
return 0;
|
|
|
|
case 'C':
|
|
mount_crypt = 1;
|
|
return 0;
|
|
|
|
case 's':
|
|
skip = grub_strtoul (arg, &p, 0);
|
|
if (*p == 's')
|
|
skip <<= GRUB_DISK_SECTOR_BITS;
|
|
return 0;
|
|
|
|
case 'n':
|
|
leng = grub_strtoul (arg, &p, 0);
|
|
if (*p == 's')
|
|
leng <<= GRUB_DISK_SECTOR_BITS;
|
|
return 0;
|
|
|
|
case 'c':
|
|
num_disks = grub_strtoul (arg, NULL, 0);
|
|
if (num_disks < 1)
|
|
{
|
|
fprintf (stderr, "%s", _("Invalid disk count.\n"));
|
|
argp_usage (state);
|
|
}
|
|
if (args_count != 0)
|
|
{
|
|
fprintf (stderr, "%s", _("Disk count must precede disks list.\n"));
|
|
argp_usage (state);
|
|
}
|
|
return 0;
|
|
|
|
case 'd':
|
|
debug_str = arg;
|
|
return 0;
|
|
|
|
case 'v':
|
|
verbosity++;
|
|
return 0;
|
|
|
|
case 'u':
|
|
uncompress = 1;
|
|
return 0;
|
|
|
|
case ARGP_KEY_END:
|
|
if (args_count < num_disks)
|
|
{
|
|
fprintf (stderr, "%s", _("No command is specified.\n"));
|
|
argp_usage (state);
|
|
}
|
|
if (args_count - 1 - num_disks < nparm)
|
|
{
|
|
fprintf (stderr, "%s", _("Not enough parameters to command.\n"));
|
|
argp_usage (state);
|
|
}
|
|
return 0;
|
|
|
|
case ARGP_KEY_ARG:
|
|
break;
|
|
|
|
default:
|
|
return ARGP_ERR_UNKNOWN;
|
|
}
|
|
|
|
if (args_count < num_disks)
|
|
{
|
|
if (arg[0] != '/')
|
|
{
|
|
fprintf (stderr, "%s", _("Must use absolute path.\n"));
|
|
argp_usage (state);
|
|
}
|
|
if (args_count == 0)
|
|
images = xmalloc (num_disks * sizeof (images[0]));
|
|
images[args_count] = xstrdup (arg);
|
|
args_count++;
|
|
return 0;
|
|
}
|
|
|
|
if (args_count == num_disks)
|
|
{
|
|
if (!grub_strcmp (arg, "ls"))
|
|
{
|
|
cmd = CMD_LS;
|
|
}
|
|
else if (!grub_strcmp (arg, "zfsinfo"))
|
|
{
|
|
cmd = CMD_ZFSINFO;
|
|
}
|
|
else if (!grub_strcmp (arg, "cp"))
|
|
{
|
|
cmd = CMD_CP;
|
|
nparm = 2;
|
|
}
|
|
else if (!grub_strcmp (arg, "cat"))
|
|
{
|
|
cmd = CMD_CAT;
|
|
nparm = 1;
|
|
}
|
|
else if (!grub_strcmp (arg, "cmp"))
|
|
{
|
|
cmd = CMD_CMP;
|
|
nparm = 2;
|
|
}
|
|
else if (!grub_strcmp (arg, "hex"))
|
|
{
|
|
cmd = CMD_HEX;
|
|
nparm = 1;
|
|
}
|
|
else if (!grub_strcmp (arg, "crc"))
|
|
{
|
|
cmd = CMD_CRC;
|
|
nparm = 1;
|
|
}
|
|
else if (!grub_strcmp (arg, "blocklist"))
|
|
{
|
|
cmd = CMD_BLOCKLIST;
|
|
nparm = 1;
|
|
}
|
|
else if (!grub_strcmp (arg, "testload"))
|
|
{
|
|
cmd = CMD_TESTLOAD;
|
|
nparm = 1;
|
|
}
|
|
else if (grub_strcmp (arg, "xnu_uuid") == 0)
|
|
{
|
|
cmd = CMD_XNU_UUID;
|
|
nparm = 0;
|
|
}
|
|
else
|
|
{
|
|
fprintf (stderr, _("Invalid command %s.\n"), arg);
|
|
argp_usage (state);
|
|
}
|
|
args_count++;
|
|
return 0;
|
|
}
|
|
|
|
args[args_count - 1 - num_disks] = xstrdup (arg);
|
|
args_count++;
|
|
return 0;
|
|
}
|
|
|
|
struct argp argp = {
|
|
options, argp_parser, N_("IMAGE_PATH COMMANDS"),
|
|
N_("Debug tool for filesystem driver."),
|
|
NULL, NULL, NULL
|
|
};
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
char *default_root, *alloc_root;
|
|
|
|
set_program_name (argv[0]);
|
|
|
|
grub_util_init_nls ();
|
|
|
|
args = xmalloc (argc * sizeof (args[0]));
|
|
|
|
argp_parse (&argp, argc, argv, 0, 0, 0);
|
|
|
|
/* Initialize all modules. */
|
|
grub_init_all ();
|
|
grub_gcry_init_all ();
|
|
|
|
if (debug_str)
|
|
grub_env_set ("debug", debug_str);
|
|
|
|
default_root = (num_disks == 1) ? "loop0" : "md0";
|
|
alloc_root = 0;
|
|
if (root)
|
|
{
|
|
if ((*root >= '0') && (*root <= '9'))
|
|
{
|
|
alloc_root = xmalloc (strlen (default_root) + strlen (root) + 2);
|
|
|
|
sprintf (alloc_root, "%s,%s", default_root, root);
|
|
root = alloc_root;
|
|
}
|
|
}
|
|
else
|
|
root = default_root;
|
|
|
|
grub_env_set ("root", root);
|
|
|
|
if (alloc_root)
|
|
free (alloc_root);
|
|
|
|
/* Do it. */
|
|
fstest (args_count - 1 - num_disks, args);
|
|
|
|
/* Free resources. */
|
|
grub_gcry_fini_all ();
|
|
grub_fini_all ();
|
|
|
|
return 0;
|
|
}
|