492 lines
14 KiB
C
492 lines
14 KiB
C
/*
|
|
* ls.c - List the contents of an ext2fs superblock
|
|
*
|
|
* Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr>
|
|
* Laboratoire MASI, Institut Blaise Pascal
|
|
* Universite Pierre et Marie Curie (Paris VI)
|
|
*
|
|
* Copyright (C) 1995, 1996, 1997 Theodore Ts'o <tytso@mit.edu>
|
|
*
|
|
* %Begin-Header%
|
|
* This file may be redistributed under the terms of the GNU Library
|
|
* General Public License, version 2.
|
|
* %End-Header%
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sys/types.h>
|
|
#include <string.h>
|
|
#include <grp.h>
|
|
#include <pwd.h>
|
|
#include <time.h>
|
|
|
|
#include "e2p.h"
|
|
#include "support/quotaio.h"
|
|
|
|
static void print_user (unsigned short uid, FILE *f)
|
|
{
|
|
struct passwd *pw;
|
|
|
|
fprintf(f, "%u ", uid);
|
|
pw = getpwuid (uid);
|
|
if (pw == NULL)
|
|
fprintf(f, "(user unknown)\n");
|
|
else
|
|
fprintf(f, "(user %s)\n", pw->pw_name);
|
|
}
|
|
|
|
static void print_group (unsigned short gid, FILE *f)
|
|
{
|
|
struct group *gr;
|
|
|
|
fprintf(f, "%u ", gid);
|
|
gr = getgrgid (gid);
|
|
if (gr == NULL)
|
|
fprintf(f, "(group unknown)\n");
|
|
else
|
|
fprintf(f, "(group %s)\n", gr->gr_name);
|
|
}
|
|
|
|
#define MONTH_INT (86400 * 30)
|
|
#define WEEK_INT (86400 * 7)
|
|
#define DAY_INT (86400)
|
|
#define HOUR_INT (60 * 60)
|
|
#define MINUTE_INT (60)
|
|
|
|
static const char *interval_string(unsigned int secs)
|
|
{
|
|
static char buf[256], tmp[80];
|
|
int hr, min, num;
|
|
|
|
buf[0] = 0;
|
|
|
|
if (secs == 0)
|
|
return "<none>";
|
|
|
|
if (secs >= MONTH_INT) {
|
|
num = secs / MONTH_INT;
|
|
secs -= num*MONTH_INT;
|
|
sprintf(buf, "%d month%s", num, (num>1) ? "s" : "");
|
|
}
|
|
if (secs >= WEEK_INT) {
|
|
num = secs / WEEK_INT;
|
|
secs -= num*WEEK_INT;
|
|
sprintf(tmp, "%s%d week%s", buf[0] ? ", " : "",
|
|
num, (num>1) ? "s" : "");
|
|
strcat(buf, tmp);
|
|
}
|
|
if (secs >= DAY_INT) {
|
|
num = secs / DAY_INT;
|
|
secs -= num*DAY_INT;
|
|
sprintf(tmp, "%s%d day%s", buf[0] ? ", " : "",
|
|
num, (num>1) ? "s" : "");
|
|
strcat(buf, tmp);
|
|
}
|
|
if (secs > 0) {
|
|
hr = secs / HOUR_INT;
|
|
secs -= hr*HOUR_INT;
|
|
min = secs / MINUTE_INT;
|
|
secs -= min*MINUTE_INT;
|
|
sprintf(tmp, "%s%d:%02d:%02d", buf[0] ? ", " : "",
|
|
hr, min, secs);
|
|
strcat(buf, tmp);
|
|
}
|
|
return buf;
|
|
}
|
|
|
|
static void print_features(struct ext2_super_block * s, FILE *f)
|
|
{
|
|
#ifdef EXT2_DYNAMIC_REV
|
|
int i, j, printed=0;
|
|
__u32 *mask = &s->s_feature_compat, m;
|
|
|
|
fprintf(f, "Filesystem features: ");
|
|
for (i=0; i <3; i++,mask++) {
|
|
for (j=0,m=1; j < 32; j++, m<<=1) {
|
|
if (*mask & m) {
|
|
fprintf(f, " %s", e2p_feature2string(i, m));
|
|
printed++;
|
|
}
|
|
}
|
|
}
|
|
if (printed == 0)
|
|
fprintf(f, " (none)");
|
|
fprintf(f, "\n");
|
|
#endif
|
|
}
|
|
|
|
static void print_mntopts(struct ext2_super_block * s, FILE *f)
|
|
{
|
|
#ifdef EXT2_DYNAMIC_REV
|
|
int i, printed=0;
|
|
__u32 mask = s->s_default_mount_opts, m;
|
|
|
|
fprintf(f, "Default mount options: ");
|
|
if (mask & EXT3_DEFM_JMODE) {
|
|
fprintf(f, " %s", e2p_mntopt2string(mask & EXT3_DEFM_JMODE));
|
|
printed++;
|
|
}
|
|
for (i=0,m=1; i < 32; i++, m<<=1) {
|
|
if (m & EXT3_DEFM_JMODE)
|
|
continue;
|
|
if (mask & m) {
|
|
fprintf(f, " %s", e2p_mntopt2string(m));
|
|
printed++;
|
|
}
|
|
}
|
|
if (printed == 0)
|
|
fprintf(f, " (none)");
|
|
fprintf(f, "\n");
|
|
#endif
|
|
}
|
|
|
|
static void print_super_flags(struct ext2_super_block * s, FILE *f)
|
|
{
|
|
int flags_found = 0;
|
|
|
|
if (s->s_flags == 0)
|
|
return;
|
|
|
|
fputs("Filesystem flags: ", f);
|
|
if (s->s_flags & EXT2_FLAGS_SIGNED_HASH) {
|
|
fputs("signed_directory_hash ", f);
|
|
flags_found++;
|
|
}
|
|
if (s->s_flags & EXT2_FLAGS_UNSIGNED_HASH) {
|
|
fputs("unsigned_directory_hash ", f);
|
|
flags_found++;
|
|
}
|
|
if (s->s_flags & EXT2_FLAGS_TEST_FILESYS) {
|
|
fputs("test_filesystem ", f);
|
|
flags_found++;
|
|
}
|
|
if (flags_found)
|
|
fputs("\n", f);
|
|
else
|
|
fputs("(none)\n", f);
|
|
}
|
|
|
|
static __u64 e2p_blocks_count(struct ext2_super_block *super)
|
|
{
|
|
return super->s_blocks_count |
|
|
(ext2fs_has_feature_64bit(super) ?
|
|
(__u64) super->s_blocks_count_hi << 32 : 0);
|
|
}
|
|
|
|
static __u64 e2p_r_blocks_count(struct ext2_super_block *super)
|
|
{
|
|
return super->s_r_blocks_count |
|
|
(ext2fs_has_feature_64bit(super) ?
|
|
(__u64) super->s_r_blocks_count_hi << 32 : 0);
|
|
}
|
|
|
|
static __u64 e2p_free_blocks_count(struct ext2_super_block *super)
|
|
{
|
|
return super->s_free_blocks_count |
|
|
(ext2fs_has_feature_64bit(super) ?
|
|
(__u64) super->s_free_blocks_hi << 32 : 0);
|
|
}
|
|
|
|
#ifndef EXT2_INODE_SIZE
|
|
#define EXT2_INODE_SIZE(s) sizeof(struct ext2_inode)
|
|
#endif
|
|
|
|
#ifndef EXT2_GOOD_OLD_REV
|
|
#define EXT2_GOOD_OLD_REV 0
|
|
#endif
|
|
|
|
static const char *checksum_type(__u8 type)
|
|
{
|
|
switch (type) {
|
|
case EXT2_CRC32C_CHKSUM:
|
|
return "crc32c";
|
|
default:
|
|
return "unknown";
|
|
}
|
|
}
|
|
|
|
static const char *quota_prefix[MAXQUOTAS] = {
|
|
[USRQUOTA] = "User quota inode:",
|
|
[GRPQUOTA] = "Group quota inode:",
|
|
[PRJQUOTA] = "Project quota inode:",
|
|
};
|
|
|
|
/**
|
|
* Convert type of quota to written representation
|
|
*/
|
|
static const char *quota_type2prefix(enum quota_type qtype)
|
|
{
|
|
return quota_prefix[qtype];
|
|
}
|
|
|
|
void list_super2(struct ext2_super_block * sb, FILE *f)
|
|
{
|
|
int inode_blocks_per_group;
|
|
char *str;
|
|
time_t tm;
|
|
enum quota_type qtype;
|
|
|
|
inode_blocks_per_group = (((sb->s_inodes_per_group *
|
|
EXT2_INODE_SIZE(sb)) +
|
|
EXT2_BLOCK_SIZE(sb) - 1) /
|
|
EXT2_BLOCK_SIZE(sb));
|
|
if (sb->s_volume_name[0])
|
|
fprintf(f, "Filesystem volume name: %.*s\n",
|
|
EXT2_LEN_STR(sb->s_volume_name));
|
|
else
|
|
fprintf(f, "Filesystem volume name: <none>\n");
|
|
if (sb->s_last_mounted[0])
|
|
fprintf(f, "Last mounted on: %.*s\n",
|
|
EXT2_LEN_STR(sb->s_last_mounted));
|
|
else
|
|
fprintf(f, "Last mounted on: <not available>\n");
|
|
fprintf(f, "Filesystem UUID: %s\n", e2p_uuid2str(sb->s_uuid));
|
|
fprintf(f, "Filesystem magic number: 0x%04X\n", sb->s_magic);
|
|
fprintf(f, "Filesystem revision #: %d", sb->s_rev_level);
|
|
if (sb->s_rev_level == EXT2_GOOD_OLD_REV) {
|
|
fprintf(f, " (original)\n");
|
|
#ifdef EXT2_DYNAMIC_REV
|
|
} else if (sb->s_rev_level == EXT2_DYNAMIC_REV) {
|
|
fprintf(f, " (dynamic)\n");
|
|
#endif
|
|
} else
|
|
fprintf(f, " (unknown)\n");
|
|
print_features(sb, f);
|
|
print_super_flags(sb, f);
|
|
print_mntopts(sb, f);
|
|
if (sb->s_mount_opts[0])
|
|
fprintf(f, "Mount options: %.*s\n",
|
|
EXT2_LEN_STR(sb->s_mount_opts));
|
|
fprintf(f, "Filesystem state: ");
|
|
print_fs_state (f, sb->s_state);
|
|
fprintf(f, "\n");
|
|
fprintf(f, "Errors behavior: ");
|
|
print_fs_errors(f, sb->s_errors);
|
|
fprintf(f, "\n");
|
|
str = e2p_os2string(sb->s_creator_os);
|
|
fprintf(f, "Filesystem OS type: %s\n", str);
|
|
free(str);
|
|
fprintf(f, "Inode count: %u\n", sb->s_inodes_count);
|
|
fprintf(f, "Block count: %llu\n",
|
|
(unsigned long long) e2p_blocks_count(sb));
|
|
fprintf(f, "Reserved block count: %llu\n",
|
|
(unsigned long long) e2p_r_blocks_count(sb));
|
|
if (sb->s_overhead_clusters)
|
|
fprintf(f, "Overhead clusters: %u\n",
|
|
sb->s_overhead_clusters);
|
|
fprintf(f, "Free blocks: %llu\n",
|
|
(unsigned long long) e2p_free_blocks_count(sb));
|
|
fprintf(f, "Free inodes: %u\n", sb->s_free_inodes_count);
|
|
fprintf(f, "First block: %u\n", sb->s_first_data_block);
|
|
fprintf(f, "Block size: %u\n", EXT2_BLOCK_SIZE(sb));
|
|
if (ext2fs_has_feature_bigalloc(sb))
|
|
fprintf(f, "Cluster size: %u\n",
|
|
EXT2_CLUSTER_SIZE(sb));
|
|
else
|
|
fprintf(f, "Fragment size: %u\n",
|
|
EXT2_CLUSTER_SIZE(sb));
|
|
if (ext2fs_has_feature_64bit(sb))
|
|
fprintf(f, "Group descriptor size: %u\n", sb->s_desc_size);
|
|
if (sb->s_reserved_gdt_blocks)
|
|
fprintf(f, "Reserved GDT blocks: %u\n",
|
|
sb->s_reserved_gdt_blocks);
|
|
fprintf(f, "Blocks per group: %u\n", sb->s_blocks_per_group);
|
|
if (ext2fs_has_feature_bigalloc(sb))
|
|
fprintf(f, "Clusters per group: %u\n",
|
|
sb->s_clusters_per_group);
|
|
else
|
|
fprintf(f, "Fragments per group: %u\n",
|
|
sb->s_clusters_per_group);
|
|
fprintf(f, "Inodes per group: %u\n", sb->s_inodes_per_group);
|
|
fprintf(f, "Inode blocks per group: %u\n", inode_blocks_per_group);
|
|
if (sb->s_raid_stride)
|
|
fprintf(f, "RAID stride: %u\n",
|
|
sb->s_raid_stride);
|
|
if (sb->s_raid_stripe_width)
|
|
fprintf(f, "RAID stripe width: %u\n",
|
|
sb->s_raid_stripe_width);
|
|
if (sb->s_first_meta_bg)
|
|
fprintf(f, "First meta block group: %u\n",
|
|
sb->s_first_meta_bg);
|
|
if (sb->s_log_groups_per_flex)
|
|
fprintf(f, "Flex block group size: %u\n",
|
|
1 << sb->s_log_groups_per_flex);
|
|
if (sb->s_mkfs_time) {
|
|
tm = sb->s_mkfs_time;
|
|
fprintf(f, "Filesystem created: %s", ctime(&tm));
|
|
}
|
|
tm = sb->s_mtime;
|
|
fprintf(f, "Last mount time: %s",
|
|
sb->s_mtime ? ctime(&tm) : "n/a\n");
|
|
tm = sb->s_wtime;
|
|
fprintf(f, "Last write time: %s", ctime(&tm));
|
|
fprintf(f, "Mount count: %u\n", sb->s_mnt_count);
|
|
fprintf(f, "Maximum mount count: %d\n", sb->s_max_mnt_count);
|
|
tm = sb->s_lastcheck;
|
|
fprintf(f, "Last checked: %s", ctime(&tm));
|
|
fprintf(f, "Check interval: %u (%s)\n", sb->s_checkinterval,
|
|
interval_string(sb->s_checkinterval));
|
|
if (sb->s_checkinterval)
|
|
{
|
|
time_t next;
|
|
|
|
next = sb->s_lastcheck + sb->s_checkinterval;
|
|
fprintf(f, "Next check after: %s", ctime(&next));
|
|
}
|
|
#define POW2(x) ((__u64) 1 << (x))
|
|
if (sb->s_kbytes_written) {
|
|
fprintf(f, "Lifetime writes: ");
|
|
if (sb->s_kbytes_written < POW2(13))
|
|
fprintf(f, "%llu kB\n",
|
|
(unsigned long long) sb->s_kbytes_written);
|
|
else if (sb->s_kbytes_written < POW2(23))
|
|
fprintf(f, "%llu MB\n", (unsigned long long)
|
|
(sb->s_kbytes_written + POW2(9)) >> 10);
|
|
else if (sb->s_kbytes_written < POW2(33))
|
|
fprintf(f, "%llu GB\n", (unsigned long long)
|
|
(sb->s_kbytes_written + POW2(19)) >> 20);
|
|
else if (sb->s_kbytes_written < POW2(43))
|
|
fprintf(f, "%llu TB\n", (unsigned long long)
|
|
(sb->s_kbytes_written + POW2(29)) >> 30);
|
|
else
|
|
fprintf(f, "%llu PB\n", (unsigned long long)
|
|
(sb->s_kbytes_written + POW2(39)) >> 40);
|
|
}
|
|
fprintf(f, "Reserved blocks uid: ");
|
|
print_user(sb->s_def_resuid, f);
|
|
fprintf(f, "Reserved blocks gid: ");
|
|
print_group(sb->s_def_resgid, f);
|
|
if (sb->s_rev_level >= EXT2_DYNAMIC_REV) {
|
|
fprintf(f, "First inode: %d\n", sb->s_first_ino);
|
|
fprintf(f, "Inode size: %d\n", sb->s_inode_size);
|
|
if (sb->s_min_extra_isize)
|
|
fprintf(f, "Required extra isize: %d\n",
|
|
sb->s_min_extra_isize);
|
|
if (sb->s_want_extra_isize)
|
|
fprintf(f, "Desired extra isize: %d\n",
|
|
sb->s_want_extra_isize);
|
|
}
|
|
if (!e2p_is_null_uuid(sb->s_journal_uuid))
|
|
fprintf(f, "Journal UUID: %s\n",
|
|
e2p_uuid2str(sb->s_journal_uuid));
|
|
if (sb->s_journal_inum)
|
|
fprintf(f, "Journal inode: %u\n",
|
|
sb->s_journal_inum);
|
|
if (sb->s_journal_dev)
|
|
fprintf(f, "Journal device: 0x%04x\n",
|
|
sb->s_journal_dev);
|
|
if (sb->s_last_orphan)
|
|
fprintf(f, "First orphan inode: %u\n",
|
|
sb->s_last_orphan);
|
|
if (ext2fs_has_feature_dir_index(sb) ||
|
|
sb->s_def_hash_version)
|
|
fprintf(f, "Default directory hash: %s\n",
|
|
e2p_hash2string(sb->s_def_hash_version));
|
|
if (!e2p_is_null_uuid(sb->s_hash_seed))
|
|
fprintf(f, "Directory Hash Seed: %s\n",
|
|
e2p_uuid2str(sb->s_hash_seed));
|
|
if (sb->s_jnl_backup_type) {
|
|
fprintf(f, "Journal backup: ");
|
|
switch (sb->s_jnl_backup_type) {
|
|
case 1:
|
|
fprintf(f, "inode blocks\n");
|
|
break;
|
|
default:
|
|
fprintf(f, "type %u\n", sb->s_jnl_backup_type);
|
|
}
|
|
}
|
|
if (sb->s_backup_bgs[0] || sb->s_backup_bgs[1]) {
|
|
fprintf(f, "Backup block groups: ");
|
|
if (sb->s_backup_bgs[0])
|
|
fprintf(f, "%u ", sb->s_backup_bgs[0]);
|
|
if (sb->s_backup_bgs[1])
|
|
fprintf(f, "%u ", sb->s_backup_bgs[1]);
|
|
fputc('\n', f);
|
|
}
|
|
if (sb->s_snapshot_inum) {
|
|
fprintf(f, "Snapshot inode: %u\n",
|
|
sb->s_snapshot_inum);
|
|
fprintf(f, "Snapshot ID: %u\n",
|
|
sb->s_snapshot_id);
|
|
fprintf(f, "Snapshot reserved blocks: %llu\n",
|
|
(unsigned long long) sb->s_snapshot_r_blocks_count);
|
|
}
|
|
if (sb->s_snapshot_list)
|
|
fprintf(f, "Snapshot list head: %u\n",
|
|
sb->s_snapshot_list);
|
|
if (sb->s_error_count)
|
|
fprintf(f, "FS Error count: %u\n",
|
|
sb->s_error_count);
|
|
if (sb->s_first_error_time) {
|
|
tm = sb->s_first_error_time;
|
|
fprintf(f, "First error time: %s", ctime(&tm));
|
|
fprintf(f, "First error function: %.*s\n",
|
|
EXT2_LEN_STR(sb->s_first_error_func));
|
|
fprintf(f, "First error line #: %u\n",
|
|
sb->s_first_error_line);
|
|
if (sb->s_first_error_ino)
|
|
fprintf(f, "First error inode #: %u\n",
|
|
sb->s_first_error_ino);
|
|
if (sb->s_first_error_block)
|
|
fprintf(f, "First error block #: %llu\n",
|
|
(unsigned long long) sb->s_first_error_block);
|
|
if (sb->s_first_error_errcode)
|
|
fprintf(f, "First error err: %s\n",
|
|
e2p_errcode2str(sb->s_first_error_errcode));
|
|
}
|
|
if (sb->s_last_error_time) {
|
|
tm = sb->s_last_error_time;
|
|
fprintf(f, "Last error time: %s", ctime(&tm));
|
|
fprintf(f, "Last error function: %.*s\n",
|
|
EXT2_LEN_STR(sb->s_last_error_func));
|
|
fprintf(f, "Last error line #: %u\n",
|
|
sb->s_last_error_line);
|
|
if (sb->s_last_error_ino)
|
|
fprintf(f, "Last error inode #: %u\n",
|
|
sb->s_last_error_ino);
|
|
if (sb->s_last_error_block)
|
|
fprintf(f, "Last error block #: %llu\n",
|
|
(unsigned long long) sb->s_last_error_block);
|
|
if (sb->s_last_error_errcode)
|
|
fprintf(f, "Last error err: %s\n",
|
|
e2p_errcode2str(sb->s_last_error_errcode));
|
|
}
|
|
if (ext2fs_has_feature_mmp(sb)) {
|
|
fprintf(f, "MMP block number: %llu\n",
|
|
(unsigned long long) sb->s_mmp_block);
|
|
fprintf(f, "MMP update interval: %u\n",
|
|
sb->s_mmp_update_interval);
|
|
}
|
|
for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
|
|
if (*quota_sb_inump(sb, qtype) != 0)
|
|
fprintf(f, "%-26s%u\n",
|
|
quota_type2prefix(qtype),
|
|
*quota_sb_inump(sb, qtype));
|
|
}
|
|
|
|
if (ext2fs_has_feature_metadata_csum(sb)) {
|
|
fprintf(f, "Checksum type: %s\n",
|
|
checksum_type(sb->s_checksum_type));
|
|
fprintf(f, "Checksum: 0x%08x\n",
|
|
sb->s_checksum);
|
|
}
|
|
if (!e2p_is_null_uuid(sb->s_encrypt_pw_salt))
|
|
fprintf(f, "Encryption PW Salt: %s\n",
|
|
e2p_uuid2str(sb->s_encrypt_pw_salt));
|
|
|
|
if (ext2fs_has_feature_csum_seed(sb))
|
|
fprintf(f, "Checksum seed: 0x%08x\n",
|
|
sb->s_checksum_seed);
|
|
if (ext2fs_has_feature_casefold(sb))
|
|
fprintf(f, "Character encoding: %s\n",
|
|
e2p_encoding2str(sb->s_encoding));
|
|
}
|
|
|
|
void list_super (struct ext2_super_block * s)
|
|
{
|
|
list_super2(s, stdout);
|
|
}
|
|
|