From 5dced3d1b3deca80e01415a2e35dc7972dcbfae7 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 11:25:10 +0200 Subject: Adding upstream version 1.47.0. Signed-off-by: Daniel Baumann --- lib/e2p/ls.c | 494 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 494 insertions(+) create mode 100644 lib/e2p/ls.c (limited to 'lib/e2p/ls.c') 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 + * Laboratoire MASI, Institut Blaise Pascal + * Universite Pierre et Marie Curie (Paris VI) + * + * Copyright (C) 1995, 1996, 1997 Theodore Ts'o + * + * %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 +#include +#include +#include +#include +#include +#include + +#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 ""; + + 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: \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: \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); +} + -- cgit v1.2.3