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