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-rw-r--r--lib/e2p/ls.c494
1 files changed, 494 insertions, 0 deletions
diff --git a/lib/e2p/ls.c b/lib/e2p/ls.c
new file mode 100644
index 0000000..0b74aea
--- /dev/null
+++ b/lib/e2p/ls.c
@@ -0,0 +1,494 @@
+/*
+ * 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",
+ 1U << 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));
+ if (ext2fs_has_feature_orphan_file(sb))
+ fprintf(f, "Orphan file inode: %u\n",
+ sb->s_orphan_file_inum);
+}
+
+void list_super (struct ext2_super_block * s)
+{
+ list_super2(s, stdout);
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 07:42:57 +0000