mirror of
https://github.com/sheumann/hush.git
synced 2024-08-21 11:28:57 +00:00
1180 lines
30 KiB
C
1180 lines
30 KiB
C
/*
|
|
* unix.c - The unix-specific code for e2fsck
|
|
*
|
|
* Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
|
|
*
|
|
* %Begin-Header%
|
|
* This file may be redistributed under the terms of the GNU Public
|
|
* License.
|
|
* %End-Header%
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <fcntl.h>
|
|
#include <ctype.h>
|
|
#include <time.h>
|
|
#ifdef HAVE_SIGNAL_H
|
|
#include <signal.h>
|
|
#endif
|
|
#ifdef HAVE_GETOPT_H
|
|
#include <getopt.h>
|
|
#else
|
|
extern char *optarg;
|
|
extern int optind;
|
|
#endif
|
|
#include <unistd.h>
|
|
#ifdef HAVE_ERRNO_H
|
|
#include <errno.h>
|
|
#endif
|
|
#ifdef HAVE_MNTENT_H
|
|
#include <mntent.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_IOCTL_H
|
|
#include <sys/ioctl.h>
|
|
#endif
|
|
#ifdef HAVE_MALLOC_H
|
|
#include <malloc.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_DIRENT_H
|
|
#include <dirent.h>
|
|
#endif
|
|
|
|
#include "e2fsbb.h"
|
|
#include "et/com_err.h"
|
|
#include "e2fsck/e2fsck.h"
|
|
#include "e2fsck/problem.h"
|
|
//#include "../version.h"
|
|
|
|
/* Command line options */
|
|
static int swapfs;
|
|
#ifdef ENABLE_SWAPFS
|
|
static int normalize_swapfs;
|
|
#endif
|
|
static int cflag; /* check disk */
|
|
static int show_version_only;
|
|
static int verbose;
|
|
|
|
static int replace_bad_blocks;
|
|
static int keep_bad_blocks;
|
|
static char *bad_blocks_file;
|
|
|
|
e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */
|
|
|
|
#ifdef __CONFIG_JBD_DEBUG__E2FS /* Enabled by configure --enable-jfs-debug */
|
|
int journal_enable_debug = -1;
|
|
#endif
|
|
|
|
#if 0
|
|
static void usage(e2fsck_t ctx)
|
|
{
|
|
fprintf(stderr,
|
|
_("Usage: %s [-panyrcdfvstDFSV] [-b superblock] [-B blocksize]\n"
|
|
"\t\t[-I inode_buffer_blocks] [-P process_inode_size]\n"
|
|
"\t\t[-l|-L bad_blocks_file] [-C fd] [-j ext-journal]\n"
|
|
"\t\t[-E extended-options] device\n"),
|
|
ctx->program_name);
|
|
|
|
fprintf(stderr, _("\nEmergency help:\n"
|
|
" -p Automatic repair (no questions)\n"
|
|
" -n Make no changes to the filesystem\n"
|
|
" -y Assume \"yes\" to all questions\n"
|
|
" -c Check for bad blocks and add them to the badblock list\n"
|
|
" -f Force checking even if filesystem is marked clean\n"));
|
|
fprintf(stderr, _(""
|
|
" -v Be verbose\n"
|
|
" -b superblock Use alternative superblock\n"
|
|
" -B blocksize Force blocksize when looking for superblock\n"
|
|
" -j external-journal Set location of the external journal\n"
|
|
" -l bad_blocks_file Add to badblocks list\n"
|
|
" -L bad_blocks_file Set badblocks list\n"
|
|
));
|
|
|
|
exit(FSCK_USAGE);
|
|
}
|
|
#endif
|
|
|
|
static void show_stats(e2fsck_t ctx)
|
|
{
|
|
ext2_filsys fs = ctx->fs;
|
|
int inodes, inodes_used, blocks, blocks_used;
|
|
int dir_links;
|
|
int num_files, num_links;
|
|
int frag_percent;
|
|
|
|
dir_links = 2 * ctx->fs_directory_count - 1;
|
|
num_files = ctx->fs_total_count - dir_links;
|
|
num_links = ctx->fs_links_count - dir_links;
|
|
inodes = fs->super->s_inodes_count;
|
|
inodes_used = (fs->super->s_inodes_count -
|
|
fs->super->s_free_inodes_count);
|
|
blocks = fs->super->s_blocks_count;
|
|
blocks_used = (fs->super->s_blocks_count -
|
|
fs->super->s_free_blocks_count);
|
|
|
|
frag_percent = (10000 * ctx->fs_fragmented) / inodes_used;
|
|
frag_percent = (frag_percent + 5) / 10;
|
|
|
|
if (!verbose) {
|
|
printf("%s: %d/%d files (%0d.%d%% non-contiguous), %d/%d blocks\n",
|
|
ctx->device_name, inodes_used, inodes,
|
|
frag_percent / 10, frag_percent % 10,
|
|
blocks_used, blocks);
|
|
return;
|
|
}
|
|
printf (P_("\n%8d inode used (%d%%)\n", "\n%8d inodes used (%d%%)\n",
|
|
inodes_used), inodes_used, 100 * inodes_used / inodes);
|
|
printf (P_("%8d non-contiguous inode (%0d.%d%%)\n",
|
|
"%8d non-contiguous inodes (%0d.%d%%)\n",
|
|
ctx->fs_fragmented),
|
|
ctx->fs_fragmented, frag_percent / 10, frag_percent % 10);
|
|
printf (_(" # of inodes with ind/dind/tind blocks: %d/%d/%d\n"),
|
|
ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count);
|
|
printf (P_("%8d block used (%d%%)\n", "%8d blocks used (%d%%)\n",
|
|
blocks_used),
|
|
blocks_used, (int) ((long long) 100 * blocks_used / blocks));
|
|
printf (P_("%8d bad block\n", "%8d bad blocks\n",
|
|
ctx->fs_badblocks_count), ctx->fs_badblocks_count);
|
|
printf (P_("%8d large file\n", "%8d large files\n",
|
|
ctx->large_files), ctx->large_files);
|
|
printf (P_("\n%8d regular file\n", "\n%8d regular files\n",
|
|
ctx->fs_regular_count), ctx->fs_regular_count);
|
|
printf (P_("%8d directory\n", "%8d directories\n",
|
|
ctx->fs_directory_count), ctx->fs_directory_count);
|
|
printf (P_("%8d character device file\n",
|
|
"%8d character device files\n", ctx->fs_chardev_count),
|
|
ctx->fs_chardev_count);
|
|
printf (P_("%8d block device file\n", "%8d block device files\n",
|
|
ctx->fs_blockdev_count), ctx->fs_blockdev_count);
|
|
printf (P_("%8d fifo\n", "%8d fifos\n", ctx->fs_fifo_count),
|
|
ctx->fs_fifo_count);
|
|
printf (P_("%8d link\n", "%8d links\n",
|
|
ctx->fs_links_count - dir_links),
|
|
ctx->fs_links_count - dir_links);
|
|
printf (P_("%8d symbolic link", "%8d symbolic links",
|
|
ctx->fs_symlinks_count), ctx->fs_symlinks_count);
|
|
printf (P_(" (%d fast symbolic link)\n", " (%d fast symbolic links)\n",
|
|
ctx->fs_fast_symlinks_count), ctx->fs_fast_symlinks_count);
|
|
printf (P_("%8d socket\n", "%8d sockets\n", ctx->fs_sockets_count),
|
|
ctx->fs_sockets_count);
|
|
printf ("--------\n");
|
|
printf (P_("%8d file\n", "%8d files\n",
|
|
ctx->fs_total_count - dir_links),
|
|
ctx->fs_total_count - dir_links);
|
|
}
|
|
|
|
static void check_mount(e2fsck_t ctx)
|
|
{
|
|
errcode_t retval;
|
|
int cont;
|
|
|
|
retval = ext2fs_check_if_mounted(ctx->filesystem_name,
|
|
&ctx->mount_flags);
|
|
if (retval) {
|
|
com_err("ext2fs_check_if_mount", retval,
|
|
_("while determining whether %s is mounted."),
|
|
ctx->filesystem_name);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If the filesystem isn't mounted, or it's the root filesystem
|
|
* and it's mounted read-only, then everything's fine.
|
|
*/
|
|
if ((!(ctx->mount_flags & EXT2_MF_MOUNTED)) ||
|
|
((ctx->mount_flags & EXT2_MF_ISROOT) &&
|
|
(ctx->mount_flags & EXT2_MF_READONLY)))
|
|
return;
|
|
|
|
if (ctx->options & E2F_OPT_READONLY) {
|
|
printf(_("Warning! %s is mounted.\n"), ctx->filesystem_name);
|
|
return;
|
|
}
|
|
|
|
printf(_("%s is mounted. "), ctx->filesystem_name);
|
|
if (!ctx->interactive)
|
|
fatal_error(ctx, _("Cannot continue, aborting.\n\n"));
|
|
printf(_("\n\n\007\007\007\007WARNING!!! "
|
|
"Running e2fsck on a mounted filesystem may cause\n"
|
|
"SEVERE filesystem damage.\007\007\007\n\n"));
|
|
cont = ask_yn(_("Do you really want to continue"), -1);
|
|
if (!cont) {
|
|
printf (_("check aborted.\n"));
|
|
exit (0);
|
|
}
|
|
return;
|
|
}
|
|
|
|
static int is_on_batt(void)
|
|
{
|
|
FILE *f;
|
|
DIR *d;
|
|
char tmp[80], tmp2[80], fname[80];
|
|
unsigned int acflag;
|
|
struct dirent* de;
|
|
|
|
f = fopen("/proc/apm", "r");
|
|
if (f) {
|
|
if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4)
|
|
acflag = 1;
|
|
fclose(f);
|
|
return (acflag != 1);
|
|
}
|
|
d = opendir("/proc/acpi/ac_adapter");
|
|
if (d) {
|
|
while ((de=readdir(d)) != NULL) {
|
|
if (!strncmp(".", de->d_name, 1))
|
|
continue;
|
|
snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state",
|
|
de->d_name);
|
|
f = fopen(fname, "r");
|
|
if (!f)
|
|
continue;
|
|
if (fscanf(f, "%s %s", tmp2, tmp) != 2)
|
|
tmp[0] = 0;
|
|
fclose(f);
|
|
if (strncmp(tmp, "off-line", 8) == 0) {
|
|
closedir(d);
|
|
return 1;
|
|
}
|
|
}
|
|
closedir(d);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* This routine checks to see if a filesystem can be skipped; if so,
|
|
* it will exit with E2FSCK_OK. Under some conditions it will print a
|
|
* message explaining why a check is being forced.
|
|
*/
|
|
static void check_if_skip(e2fsck_t ctx)
|
|
{
|
|
ext2_filsys fs = ctx->fs;
|
|
const char *reason = NULL;
|
|
unsigned int reason_arg = 0;
|
|
long next_check;
|
|
int batt = is_on_batt();
|
|
time_t now = time(0);
|
|
|
|
if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file ||
|
|
cflag || swapfs)
|
|
return;
|
|
|
|
if ((fs->super->s_state & EXT2_ERROR_FS) ||
|
|
!ext2fs_test_valid(fs))
|
|
reason = _(" contains a file system with errors");
|
|
else if ((fs->super->s_state & EXT2_VALID_FS) == 0)
|
|
reason = _(" was not cleanly unmounted");
|
|
else if ((fs->super->s_max_mnt_count > 0) &&
|
|
(fs->super->s_mnt_count >=
|
|
(unsigned) fs->super->s_max_mnt_count)) {
|
|
reason = _(" has been mounted %u times without being checked");
|
|
reason_arg = fs->super->s_mnt_count;
|
|
if (batt && (fs->super->s_mnt_count <
|
|
(unsigned) fs->super->s_max_mnt_count*2))
|
|
reason = 0;
|
|
} else if (fs->super->s_checkinterval &&
|
|
((now - fs->super->s_lastcheck) >=
|
|
fs->super->s_checkinterval)) {
|
|
reason = _(" has gone %u days without being checked");
|
|
reason_arg = (now - fs->super->s_lastcheck)/(3600*24);
|
|
if (batt && ((now - fs->super->s_lastcheck) <
|
|
fs->super->s_checkinterval*2))
|
|
reason = 0;
|
|
}
|
|
if (reason) {
|
|
fputs(ctx->device_name, stdout);
|
|
printf(reason, reason_arg);
|
|
fputs(_(", check forced.\n"), stdout);
|
|
return;
|
|
}
|
|
printf(_("%s: clean, %d/%d files, %d/%d blocks"), ctx->device_name,
|
|
fs->super->s_inodes_count - fs->super->s_free_inodes_count,
|
|
fs->super->s_inodes_count,
|
|
fs->super->s_blocks_count - fs->super->s_free_blocks_count,
|
|
fs->super->s_blocks_count);
|
|
next_check = 100000;
|
|
if (fs->super->s_max_mnt_count > 0) {
|
|
next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count;
|
|
if (next_check <= 0)
|
|
next_check = 1;
|
|
}
|
|
if (fs->super->s_checkinterval &&
|
|
((now - fs->super->s_lastcheck) >= fs->super->s_checkinterval))
|
|
next_check = 1;
|
|
if (next_check <= 5) {
|
|
if (next_check == 1)
|
|
fputs(_(" (check after next mount)"), stdout);
|
|
else
|
|
printf(_(" (check in %ld mounts)"), next_check);
|
|
}
|
|
fputc('\n', stdout);
|
|
ext2fs_close(fs);
|
|
ctx->fs = NULL;
|
|
e2fsck_free_context(ctx);
|
|
exit(FSCK_OK);
|
|
}
|
|
|
|
/*
|
|
* For completion notice
|
|
*/
|
|
struct percent_tbl {
|
|
int max_pass;
|
|
int table[32];
|
|
};
|
|
struct percent_tbl e2fsck_tbl = {
|
|
5, { 0, 70, 90, 92, 95, 100 }
|
|
};
|
|
static char bar[128], spaces[128];
|
|
|
|
static float calc_percent(struct percent_tbl *tbl, int pass, int curr,
|
|
int max)
|
|
{
|
|
float percent;
|
|
|
|
if (pass <= 0)
|
|
return 0.0;
|
|
if (pass > tbl->max_pass || max == 0)
|
|
return 100.0;
|
|
percent = ((float) curr) / ((float) max);
|
|
return ((percent * (tbl->table[pass] - tbl->table[pass-1]))
|
|
+ tbl->table[pass-1]);
|
|
}
|
|
|
|
extern void e2fsck_clear_progbar(e2fsck_t ctx)
|
|
{
|
|
if (!(ctx->flags & E2F_FLAG_PROG_BAR))
|
|
return;
|
|
|
|
printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80),
|
|
ctx->stop_meta);
|
|
fflush(stdout);
|
|
ctx->flags &= ~E2F_FLAG_PROG_BAR;
|
|
}
|
|
|
|
int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent,
|
|
unsigned int dpynum)
|
|
{
|
|
static const char spinner[] = "\\|/-";
|
|
int i;
|
|
unsigned int tick;
|
|
struct timeval tv;
|
|
int dpywidth;
|
|
int fixed_percent;
|
|
|
|
if (ctx->flags & E2F_FLAG_PROG_SUPPRESS)
|
|
return 0;
|
|
|
|
/*
|
|
* Calculate the new progress position. If the
|
|
* percentage hasn't changed, then we skip out right
|
|
* away.
|
|
*/
|
|
fixed_percent = (int) ((10 * percent) + 0.5);
|
|
if (ctx->progress_last_percent == fixed_percent)
|
|
return 0;
|
|
ctx->progress_last_percent = fixed_percent;
|
|
|
|
/*
|
|
* If we've already updated the spinner once within
|
|
* the last 1/8th of a second, no point doing it
|
|
* again.
|
|
*/
|
|
gettimeofday(&tv, NULL);
|
|
tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8));
|
|
if ((tick == ctx->progress_last_time) &&
|
|
(fixed_percent != 0) && (fixed_percent != 1000))
|
|
return 0;
|
|
ctx->progress_last_time = tick;
|
|
|
|
/*
|
|
* Advance the spinner, and note that the progress bar
|
|
* will be on the screen
|
|
*/
|
|
ctx->progress_pos = (ctx->progress_pos+1) & 3;
|
|
ctx->flags |= E2F_FLAG_PROG_BAR;
|
|
|
|
dpywidth = 66 - strlen(label);
|
|
dpywidth = 8 * (dpywidth / 8);
|
|
if (dpynum)
|
|
dpywidth -= 8;
|
|
|
|
i = ((percent * dpywidth) + 50) / 100;
|
|
printf("%s%s: |%s%s", ctx->start_meta, label,
|
|
bar + (sizeof(bar) - (i+1)),
|
|
spaces + (sizeof(spaces) - (dpywidth - i + 1)));
|
|
if (fixed_percent == 1000)
|
|
fputc('|', stdout);
|
|
else
|
|
fputc(spinner[ctx->progress_pos & 3], stdout);
|
|
printf(" %4.1f%% ", percent);
|
|
if (dpynum)
|
|
printf("%u\r", dpynum);
|
|
else
|
|
fputs(" \r", stdout);
|
|
fputs(ctx->stop_meta, stdout);
|
|
|
|
if (fixed_percent == 1000)
|
|
e2fsck_clear_progbar(ctx);
|
|
fflush(stdout);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int e2fsck_update_progress(e2fsck_t ctx, int pass,
|
|
unsigned long cur, unsigned long max)
|
|
{
|
|
char buf[80];
|
|
float percent;
|
|
|
|
if (pass == 0)
|
|
return 0;
|
|
|
|
if (ctx->progress_fd) {
|
|
sprintf(buf, "%d %lu %lu\n", pass, cur, max);
|
|
write(ctx->progress_fd, buf, strlen(buf));
|
|
} else {
|
|
percent = calc_percent(&e2fsck_tbl, pass, cur, max);
|
|
e2fsck_simple_progress(ctx, ctx->device_name,
|
|
percent, 0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define PATH_SET "PATH=/sbin"
|
|
|
|
static void reserve_stdio_fds(void)
|
|
{
|
|
int fd;
|
|
|
|
while (1) {
|
|
fd = open("/dev/null", O_RDWR);
|
|
if (fd > 2)
|
|
break;
|
|
if (fd < 0) {
|
|
fprintf(stderr, _("ERROR: Couldn't open "
|
|
"/dev/null (%s)\n"),
|
|
strerror(errno));
|
|
break;
|
|
}
|
|
}
|
|
close(fd);
|
|
}
|
|
|
|
#ifdef HAVE_SIGNAL_H
|
|
static void signal_progress_on(int sig EXT2FS_ATTR((unused)))
|
|
{
|
|
e2fsck_t ctx = e2fsck_global_ctx;
|
|
|
|
if (!ctx)
|
|
return;
|
|
|
|
ctx->progress = e2fsck_update_progress;
|
|
ctx->progress_fd = 0;
|
|
}
|
|
|
|
static void signal_progress_off(int sig EXT2FS_ATTR((unused)))
|
|
{
|
|
e2fsck_t ctx = e2fsck_global_ctx;
|
|
|
|
if (!ctx)
|
|
return;
|
|
|
|
e2fsck_clear_progbar(ctx);
|
|
ctx->progress = 0;
|
|
}
|
|
|
|
static void signal_cancel(int sig EXT2FS_ATTR((unused)))
|
|
{
|
|
e2fsck_t ctx = e2fsck_global_ctx;
|
|
|
|
if (!ctx)
|
|
exit(FSCK_CANCELED);
|
|
|
|
ctx->flags |= E2F_FLAG_CANCEL;
|
|
}
|
|
#endif
|
|
|
|
static void parse_extended_opts(e2fsck_t ctx, const char *opts)
|
|
{
|
|
char *buf, *token, *next, *p, *arg;
|
|
int ea_ver;
|
|
int extended_usage = 0;
|
|
|
|
buf = string_copy(ctx, opts, 0);
|
|
for (token = buf; token && *token; token = next) {
|
|
p = strchr(token, ',');
|
|
next = 0;
|
|
if (p) {
|
|
*p = 0;
|
|
next = p+1;
|
|
}
|
|
arg = strchr(token, '=');
|
|
if (arg) {
|
|
*arg = 0;
|
|
arg++;
|
|
}
|
|
if (strcmp(token, "ea_ver") == 0) {
|
|
if (!arg) {
|
|
extended_usage++;
|
|
continue;
|
|
}
|
|
ea_ver = strtoul(arg, &p, 0);
|
|
if (*p ||
|
|
((ea_ver != 1) && (ea_ver != 2))) {
|
|
fprintf(stderr,
|
|
_("Invalid EA version.\n"));
|
|
extended_usage++;
|
|
continue;
|
|
}
|
|
ctx->ext_attr_ver = ea_ver;
|
|
} else
|
|
extended_usage++;
|
|
}
|
|
if (extended_usage) {
|
|
fprintf(stderr, _("Extended options are separated by commas, "
|
|
"and may take an argument which\n"
|
|
"is set off by an equals ('=') sign. "
|
|
"Valid raid options are:\n"
|
|
"\tea_ver=<ea_version (1 or 2)\n\n"));
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
|
|
static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx)
|
|
{
|
|
int flush = 0;
|
|
int c, fd;
|
|
#ifdef MTRACE
|
|
extern void *mallwatch;
|
|
#endif
|
|
e2fsck_t ctx;
|
|
errcode_t retval;
|
|
#ifdef HAVE_SIGNAL_H
|
|
struct sigaction sa;
|
|
#endif
|
|
char *extended_opts = 0;
|
|
|
|
retval = e2fsck_allocate_context(&ctx);
|
|
if (retval)
|
|
return retval;
|
|
|
|
*ret_ctx = ctx;
|
|
|
|
setvbuf(stdout, NULL, _IONBF, BUFSIZ);
|
|
setvbuf(stderr, NULL, _IONBF, BUFSIZ);
|
|
if (isatty(0) && isatty(1)) {
|
|
ctx->interactive = 1;
|
|
} else {
|
|
ctx->start_meta[0] = '\001';
|
|
ctx->stop_meta[0] = '\002';
|
|
}
|
|
memset(bar, '=', sizeof(bar)-1);
|
|
memset(spaces, ' ', sizeof(spaces)-1);
|
|
blkid_get_cache(&ctx->blkid, NULL);
|
|
|
|
if (argc && *argv)
|
|
ctx->program_name = *argv;
|
|
else
|
|
ctx->program_name = "e2fsck";
|
|
while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF)
|
|
switch (c) {
|
|
case 'C':
|
|
ctx->progress = e2fsck_update_progress;
|
|
ctx->progress_fd = atoi(optarg);
|
|
if (!ctx->progress_fd)
|
|
break;
|
|
/* Validate the file descriptor to avoid disasters */
|
|
fd = dup(ctx->progress_fd);
|
|
if (fd < 0) {
|
|
fprintf(stderr,
|
|
_("Error validating file descriptor %d: %s\n"),
|
|
ctx->progress_fd,
|
|
error_message(errno));
|
|
fatal_error(ctx,
|
|
_("Invalid completion information file descriptor"));
|
|
} else
|
|
close(fd);
|
|
break;
|
|
case 'D':
|
|
ctx->options |= E2F_OPT_COMPRESS_DIRS;
|
|
break;
|
|
case 'E':
|
|
extended_opts = optarg;
|
|
break;
|
|
case 'p':
|
|
case 'a':
|
|
if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) {
|
|
conflict_opt:
|
|
fatal_error(ctx,
|
|
_("Only one the options -p/-a, -n or -y may be specified."));
|
|
}
|
|
ctx->options |= E2F_OPT_PREEN;
|
|
break;
|
|
case 'n':
|
|
if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN))
|
|
goto conflict_opt;
|
|
ctx->options |= E2F_OPT_NO;
|
|
break;
|
|
case 'y':
|
|
if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO))
|
|
goto conflict_opt;
|
|
ctx->options |= E2F_OPT_YES;
|
|
break;
|
|
case 't':
|
|
#ifdef RESOURCE_TRACK
|
|
if (ctx->options & E2F_OPT_TIME)
|
|
ctx->options |= E2F_OPT_TIME2;
|
|
else
|
|
ctx->options |= E2F_OPT_TIME;
|
|
#else
|
|
fprintf(stderr, _("The -t option is not "
|
|
"supported on this version of e2fsck.\n"));
|
|
#endif
|
|
break;
|
|
case 'c':
|
|
if (cflag++)
|
|
ctx->options |= E2F_OPT_WRITECHECK;
|
|
ctx->options |= E2F_OPT_CHECKBLOCKS;
|
|
break;
|
|
case 'r':
|
|
/* What we do by default, anyway! */
|
|
break;
|
|
case 'b':
|
|
ctx->use_superblock = atoi(optarg);
|
|
ctx->flags |= E2F_FLAG_SB_SPECIFIED;
|
|
break;
|
|
case 'B':
|
|
ctx->blocksize = atoi(optarg);
|
|
break;
|
|
case 'I':
|
|
ctx->inode_buffer_blocks = atoi(optarg);
|
|
break;
|
|
case 'j':
|
|
ctx->journal_name = string_copy(ctx, optarg, 0);
|
|
break;
|
|
case 'P':
|
|
ctx->process_inode_size = atoi(optarg);
|
|
break;
|
|
case 'L':
|
|
replace_bad_blocks++;
|
|
case 'l':
|
|
bad_blocks_file = string_copy(ctx, optarg, 0);
|
|
break;
|
|
case 'd':
|
|
ctx->options |= E2F_OPT_DEBUG;
|
|
break;
|
|
case 'f':
|
|
ctx->options |= E2F_OPT_FORCE;
|
|
break;
|
|
case 'F':
|
|
flush = 1;
|
|
break;
|
|
case 'v':
|
|
verbose = 1;
|
|
break;
|
|
case 'V':
|
|
show_version_only = 1;
|
|
break;
|
|
#ifdef MTRACE
|
|
case 'M':
|
|
mallwatch = (void *) strtol(optarg, NULL, 0);
|
|
break;
|
|
#endif
|
|
case 'N':
|
|
ctx->device_name = optarg;
|
|
break;
|
|
#ifdef ENABLE_SWAPFS
|
|
case 's':
|
|
normalize_swapfs = 1;
|
|
case 'S':
|
|
swapfs = 1;
|
|
break;
|
|
#else
|
|
case 's':
|
|
case 'S':
|
|
fprintf(stderr, _("Byte-swapping filesystems "
|
|
"not compiled in this version "
|
|
"of e2fsck\n"));
|
|
exit(1);
|
|
#endif
|
|
case 'k':
|
|
keep_bad_blocks++;
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
if (show_version_only)
|
|
return 0;
|
|
if (optind != argc - 1)
|
|
usage();
|
|
if ((ctx->options & E2F_OPT_NO) && !bad_blocks_file &&
|
|
!cflag && !swapfs && !(ctx->options & E2F_OPT_COMPRESS_DIRS))
|
|
ctx->options |= E2F_OPT_READONLY;
|
|
ctx->io_options = strchr(argv[optind], '?');
|
|
if (ctx->io_options)
|
|
*ctx->io_options++ = 0;
|
|
ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0);
|
|
if (!ctx->filesystem_name) {
|
|
com_err(ctx->program_name, 0, _("Unable to resolve '%s'"),
|
|
argv[optind]);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
if (extended_opts)
|
|
parse_extended_opts(ctx, extended_opts);
|
|
|
|
if (flush) {
|
|
fd = open(ctx->filesystem_name, O_RDONLY, 0);
|
|
if (fd < 0) {
|
|
com_err("open", errno,
|
|
_("while opening %s for flushing"),
|
|
ctx->filesystem_name);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
if ((retval = ext2fs_sync_device(fd, 1))) {
|
|
com_err("ext2fs_sync_device", retval,
|
|
_("while trying to flush %s"),
|
|
ctx->filesystem_name);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
close(fd);
|
|
}
|
|
#ifdef ENABLE_SWAPFS
|
|
if (swapfs) {
|
|
if (cflag || bad_blocks_file) {
|
|
fprintf(stderr, _("Incompatible options not "
|
|
"allowed when byte-swapping.\n"));
|
|
exit(FSCK_USAGE);
|
|
}
|
|
}
|
|
#endif
|
|
if (cflag && bad_blocks_file) {
|
|
fprintf(stderr, _("The -c and the -l/-L options may "
|
|
"not be both used at the same time.\n"));
|
|
exit(FSCK_USAGE);
|
|
}
|
|
#ifdef HAVE_SIGNAL_H
|
|
/*
|
|
* Set up signal action
|
|
*/
|
|
memset(&sa, 0, sizeof(struct sigaction));
|
|
sa.sa_handler = signal_cancel;
|
|
sigaction(SIGINT, &sa, 0);
|
|
sigaction(SIGTERM, &sa, 0);
|
|
#ifdef SA_RESTART
|
|
sa.sa_flags = SA_RESTART;
|
|
#endif
|
|
e2fsck_global_ctx = ctx;
|
|
sa.sa_handler = signal_progress_on;
|
|
sigaction(SIGUSR1, &sa, 0);
|
|
sa.sa_handler = signal_progress_off;
|
|
sigaction(SIGUSR2, &sa, 0);
|
|
#endif
|
|
|
|
/* Update our PATH to include /sbin if we need to run badblocks */
|
|
if (cflag) {
|
|
char *oldpath = getenv("PATH");
|
|
if (oldpath) {
|
|
char *newpath;
|
|
|
|
newpath = (char *) malloc(sizeof (PATH_SET) + 1 +
|
|
strlen (oldpath));
|
|
if (!newpath)
|
|
fatal_error(ctx, "Couldn't malloc() newpath");
|
|
strcpy (newpath, PATH_SET);
|
|
strcat (newpath, ":");
|
|
strcat (newpath, oldpath);
|
|
putenv (newpath);
|
|
} else
|
|
putenv (PATH_SET);
|
|
}
|
|
#ifdef __CONFIG_JBD_DEBUG__E2FS
|
|
if (getenv("E2FSCK_JBD_DEBUG"))
|
|
journal_enable_debug = atoi(getenv("E2FSCK_JBD_DEBUG"));
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static const char *my_ver_string = E2FSPROGS_VERSION;
|
|
static const char *my_ver_date = E2FSPROGS_DATE;
|
|
|
|
int e2fsck_main (int argc, char *argv[])
|
|
{
|
|
errcode_t retval = 0;
|
|
int exit_value = FSCK_OK;
|
|
ext2_filsys fs = 0;
|
|
io_manager io_ptr;
|
|
struct ext2_super_block *sb;
|
|
const char *lib_ver_date;
|
|
int my_ver, lib_ver;
|
|
e2fsck_t ctx;
|
|
struct problem_context pctx;
|
|
int flags, run_result;
|
|
|
|
clear_problem_context(&pctx);
|
|
#ifdef MTRACE
|
|
mtrace();
|
|
#endif
|
|
#ifdef MCHECK
|
|
mcheck(0);
|
|
#endif
|
|
#ifdef ENABLE_NLS
|
|
setlocale(LC_MESSAGES, "");
|
|
setlocale(LC_CTYPE, "");
|
|
bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
|
|
textdomain(NLS_CAT_NAME);
|
|
#endif
|
|
my_ver = ext2fs_parse_version_string(my_ver_string);
|
|
lib_ver = ext2fs_get_library_version(0, &lib_ver_date);
|
|
if (my_ver > lib_ver) {
|
|
fprintf( stderr, _("Error: ext2fs library version "
|
|
"out of date!\n"));
|
|
show_version_only++;
|
|
}
|
|
|
|
retval = PRS(argc, argv, &ctx);
|
|
if (retval) {
|
|
com_err("e2fsck", retval,
|
|
_("while trying to initialize program"));
|
|
exit(FSCK_ERROR);
|
|
}
|
|
reserve_stdio_fds();
|
|
|
|
#ifdef RESOURCE_TRACK
|
|
init_resource_track(&ctx->global_rtrack);
|
|
#endif
|
|
|
|
if (!(ctx->options & E2F_OPT_PREEN) || show_version_only)
|
|
fprintf(stderr, "e2fsck %s (%s)\n", my_ver_string,
|
|
my_ver_date);
|
|
|
|
if (show_version_only) {
|
|
fprintf(stderr, _("\tUsing %s, %s\n"),
|
|
error_message(EXT2_ET_BASE), lib_ver_date);
|
|
exit(FSCK_OK);
|
|
}
|
|
|
|
check_mount(ctx);
|
|
|
|
if (!(ctx->options & E2F_OPT_PREEN) &&
|
|
!(ctx->options & E2F_OPT_NO) &&
|
|
!(ctx->options & E2F_OPT_YES)) {
|
|
if (!ctx->interactive)
|
|
fatal_error(ctx,
|
|
_("need terminal for interactive repairs"));
|
|
}
|
|
ctx->superblock = ctx->use_superblock;
|
|
restart:
|
|
#ifdef CONFIG_TESTIO_DEBUG
|
|
io_ptr = test_io_manager;
|
|
test_io_backing_manager = unix_io_manager;
|
|
#else
|
|
io_ptr = unix_io_manager;
|
|
#endif
|
|
flags = 0;
|
|
if ((ctx->options & E2F_OPT_READONLY) == 0)
|
|
flags |= EXT2_FLAG_RW;
|
|
|
|
if (ctx->superblock && ctx->blocksize) {
|
|
retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
|
|
flags, ctx->superblock, ctx->blocksize,
|
|
io_ptr, &fs);
|
|
} else if (ctx->superblock) {
|
|
int blocksize;
|
|
for (blocksize = EXT2_MIN_BLOCK_SIZE;
|
|
blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) {
|
|
retval = ext2fs_open2(ctx->filesystem_name,
|
|
ctx->io_options, flags,
|
|
ctx->superblock, blocksize,
|
|
io_ptr, &fs);
|
|
if (!retval)
|
|
break;
|
|
}
|
|
} else
|
|
retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
|
|
flags, 0, 0, io_ptr, &fs);
|
|
if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) &&
|
|
!(ctx->flags & E2F_FLAG_SB_SPECIFIED) &&
|
|
((retval == EXT2_ET_BAD_MAGIC) ||
|
|
((retval == 0) && ext2fs_check_desc(fs)))) {
|
|
if (!fs || (fs->group_desc_count > 1)) {
|
|
printf(_("%s trying backup blocks...\n"),
|
|
retval ? _("Couldn't find ext2 superblock,") :
|
|
_("Group descriptors look bad..."));
|
|
get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr);
|
|
if (fs)
|
|
ext2fs_close(fs);
|
|
goto restart;
|
|
}
|
|
}
|
|
if (retval) {
|
|
com_err(ctx->program_name, retval, _("while trying to open %s"),
|
|
ctx->filesystem_name);
|
|
if (retval == EXT2_ET_REV_TOO_HIGH) {
|
|
printf(_("The filesystem revision is apparently "
|
|
"too high for this version of e2fsck.\n"
|
|
"(Or the filesystem superblock "
|
|
"is corrupt)\n\n"));
|
|
fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
|
|
} else if (retval == EXT2_ET_SHORT_READ)
|
|
printf(_("Could this be a zero-length partition?\n"));
|
|
else if ((retval == EPERM) || (retval == EACCES))
|
|
printf(_("You must have %s access to the "
|
|
"filesystem or be root\n"),
|
|
(ctx->options & E2F_OPT_READONLY) ?
|
|
"r/o" : "r/w");
|
|
else if (retval == ENXIO)
|
|
printf(_("Possibly non-existent or swap device?\n"));
|
|
#ifdef EROFS
|
|
else if (retval == EROFS)
|
|
printf(_("Disk write-protected; use the -n option "
|
|
"to do a read-only\n"
|
|
"check of the device.\n"));
|
|
#endif
|
|
else
|
|
fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
ctx->fs = fs;
|
|
fs->priv_data = ctx;
|
|
sb = fs->super;
|
|
if (sb->s_rev_level > E2FSCK_CURRENT_REV) {
|
|
com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH,
|
|
_("while trying to open %s"),
|
|
ctx->filesystem_name);
|
|
get_newer:
|
|
fatal_error(ctx, _("Get a newer version of e2fsck!"));
|
|
}
|
|
|
|
/*
|
|
* Set the device name, which is used whenever we print error
|
|
* or informational messages to the user.
|
|
*/
|
|
if (ctx->device_name == 0 &&
|
|
(sb->s_volume_name[0] != 0)) {
|
|
ctx->device_name = string_copy(ctx, sb->s_volume_name,
|
|
sizeof(sb->s_volume_name));
|
|
}
|
|
if (ctx->device_name == 0)
|
|
ctx->device_name = ctx->filesystem_name;
|
|
|
|
/*
|
|
* Make sure the ext3 superblock fields are consistent.
|
|
*/
|
|
retval = e2fsck_check_ext3_journal(ctx);
|
|
if (retval) {
|
|
com_err(ctx->program_name, retval,
|
|
_("while checking ext3 journal for %s"),
|
|
ctx->device_name);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
|
|
/*
|
|
* Check to see if we need to do ext3-style recovery. If so,
|
|
* do it, and then restart the fsck.
|
|
*/
|
|
if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) {
|
|
if (ctx->options & E2F_OPT_READONLY) {
|
|
printf(_("Warning: skipping journal recovery "
|
|
"because doing a read-only filesystem "
|
|
"check.\n"));
|
|
io_channel_flush(ctx->fs->io);
|
|
} else {
|
|
if (ctx->flags & E2F_FLAG_RESTARTED) {
|
|
/*
|
|
* Whoops, we attempted to run the
|
|
* journal twice. This should never
|
|
* happen, unless the hardware or
|
|
* device driver is being bogus.
|
|
*/
|
|
com_err(ctx->program_name, 0,
|
|
_("unable to set superblock flags on %s\n"), ctx->device_name);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
retval = e2fsck_run_ext3_journal(ctx);
|
|
if (retval) {
|
|
com_err(ctx->program_name, retval,
|
|
_("while recovering ext3 journal of %s"),
|
|
ctx->device_name);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
ext2fs_close(ctx->fs);
|
|
ctx->fs = 0;
|
|
ctx->flags |= E2F_FLAG_RESTARTED;
|
|
goto restart;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Check for compatibility with the feature sets. We need to
|
|
* be more stringent than ext2fs_open().
|
|
*/
|
|
if ((sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP) ||
|
|
(sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP)) {
|
|
com_err(ctx->program_name, EXT2_ET_UNSUPP_FEATURE,
|
|
"(%s)", ctx->device_name);
|
|
goto get_newer;
|
|
}
|
|
if (sb->s_feature_ro_compat & ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP) {
|
|
com_err(ctx->program_name, EXT2_ET_RO_UNSUPP_FEATURE,
|
|
"(%s)", ctx->device_name);
|
|
goto get_newer;
|
|
}
|
|
#ifdef ENABLE_COMPRESSION
|
|
if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION)
|
|
com_err(ctx->program_name, 0,
|
|
_("Warning: compression support is experimental.\n"));
|
|
#endif
|
|
#ifndef ENABLE_HTREE
|
|
if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) {
|
|
com_err(ctx->program_name, 0,
|
|
_("E2fsck not compiled with HTREE support,\n\t"
|
|
"but filesystem %s has HTREE directories.\n"),
|
|
ctx->device_name);
|
|
goto get_newer;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* If the user specified a specific superblock, presumably the
|
|
* master superblock has been trashed. So we mark the
|
|
* superblock as dirty, so it can be written out.
|
|
*/
|
|
if (ctx->superblock &&
|
|
!(ctx->options & E2F_OPT_READONLY))
|
|
ext2fs_mark_super_dirty(fs);
|
|
|
|
/*
|
|
* We only update the master superblock because (a) paranoia;
|
|
* we don't want to corrupt the backup superblocks, and (b) we
|
|
* don't need to update the mount count and last checked
|
|
* fields in the backup superblock (the kernel doesn't
|
|
* update the backup superblocks anyway).
|
|
*/
|
|
fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
|
|
|
|
ehandler_init(fs->io);
|
|
|
|
if (ctx->superblock)
|
|
set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0);
|
|
ext2fs_mark_valid(fs);
|
|
check_super_block(ctx);
|
|
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
|
|
fatal_error(ctx, 0);
|
|
check_if_skip(ctx);
|
|
if (bad_blocks_file)
|
|
read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks);
|
|
else if (cflag)
|
|
read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */
|
|
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
|
|
fatal_error(ctx, 0);
|
|
#ifdef ENABLE_SWAPFS
|
|
if (normalize_swapfs) {
|
|
if ((fs->flags & EXT2_FLAG_SWAP_BYTES) ==
|
|
ext2fs_native_flag()) {
|
|
fprintf(stderr, _("%s: Filesystem byte order "
|
|
"already normalized.\n"), ctx->device_name);
|
|
fatal_error(ctx, 0);
|
|
}
|
|
}
|
|
if (swapfs) {
|
|
swap_filesys(ctx);
|
|
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
|
|
fatal_error(ctx, 0);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Mark the system as valid, 'til proven otherwise
|
|
*/
|
|
ext2fs_mark_valid(fs);
|
|
|
|
retval = ext2fs_read_bb_inode(fs, &fs->badblocks);
|
|
if (retval) {
|
|
com_err(ctx->program_name, retval,
|
|
_("while reading bad blocks inode"));
|
|
preenhalt(ctx);
|
|
printf(_("This doesn't bode well,"
|
|
" but we'll try to go on...\n"));
|
|
}
|
|
|
|
run_result = e2fsck_run(ctx);
|
|
e2fsck_clear_progbar(ctx);
|
|
if (run_result == E2F_FLAG_RESTART) {
|
|
printf(_("Restarting e2fsck from the beginning...\n"));
|
|
retval = e2fsck_reset_context(ctx);
|
|
if (retval) {
|
|
com_err(ctx->program_name, retval,
|
|
_("while resetting context"));
|
|
fatal_error(ctx, 0);
|
|
}
|
|
ext2fs_close(fs);
|
|
goto restart;
|
|
}
|
|
if (run_result & E2F_FLAG_CANCEL) {
|
|
printf(_("%s: e2fsck canceled.\n"), ctx->device_name ?
|
|
ctx->device_name : ctx->filesystem_name);
|
|
exit_value |= FSCK_CANCELED;
|
|
}
|
|
if (run_result & E2F_FLAG_ABORT)
|
|
fatal_error(ctx, _("aborted"));
|
|
|
|
#ifdef MTRACE
|
|
mtrace_print("Cleanup");
|
|
#endif
|
|
if (ext2fs_test_changed(fs)) {
|
|
exit_value |= FSCK_NONDESTRUCT;
|
|
if (!(ctx->options & E2F_OPT_PREEN))
|
|
printf(_("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"),
|
|
ctx->device_name);
|
|
if (ctx->mount_flags & EXT2_MF_ISROOT) {
|
|
printf(_("%s: ***** REBOOT LINUX *****\n"),
|
|
ctx->device_name);
|
|
exit_value |= FSCK_REBOOT;
|
|
}
|
|
}
|
|
if (!ext2fs_test_valid(fs)) {
|
|
printf(_("\n%s: ********** WARNING: Filesystem still has "
|
|
"errors **********\n\n"), ctx->device_name);
|
|
exit_value |= FSCK_UNCORRECTED;
|
|
exit_value &= ~FSCK_NONDESTRUCT;
|
|
}
|
|
if (exit_value & FSCK_CANCELED)
|
|
exit_value &= ~FSCK_NONDESTRUCT;
|
|
else {
|
|
show_stats(ctx);
|
|
if (!(ctx->options & E2F_OPT_READONLY)) {
|
|
if (ext2fs_test_valid(fs)) {
|
|
if (!(sb->s_state & EXT2_VALID_FS))
|
|
exit_value |= FSCK_NONDESTRUCT;
|
|
sb->s_state = EXT2_VALID_FS;
|
|
} else
|
|
sb->s_state &= ~EXT2_VALID_FS;
|
|
sb->s_mnt_count = 0;
|
|
sb->s_lastcheck = time(NULL);
|
|
ext2fs_mark_super_dirty(fs);
|
|
}
|
|
}
|
|
|
|
e2fsck_write_bitmaps(ctx);
|
|
|
|
ext2fs_close(fs);
|
|
ctx->fs = NULL;
|
|
free(ctx->filesystem_name);
|
|
free(ctx->journal_name);
|
|
e2fsck_free_context(ctx);
|
|
|
|
#ifdef RESOURCE_TRACK
|
|
if (ctx->options & E2F_OPT_TIME)
|
|
print_resource_track(NULL, &ctx->global_rtrack);
|
|
#endif
|
|
|
|
return exit_value;
|
|
}
|