Adding upstream version 1.47.0.upstream/1.47.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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);
+}
+