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pmt: e2fsprogs: cleanup

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This commit is contained in:
Yağız Zengin
2024-10-02 22:59:34 +03:00
parent 5cbd362d72
commit e7c51ced1b
332 changed files with 379 additions and 0 deletions
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74
e2fsprogs/lib/e2p/crypto_mode.c Normal file
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/*
* crypto_mode.c --- convert between encryption modes and strings
*
* Copyright (C) 1999 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 <string.h>
#include <strings.h>
#include <ctype.h>
#include <errno.h>
#include "e2p.h"
struct mode {
int num;
const char *string;
};
static struct mode mode_list[] = {
{ EXT4_ENCRYPTION_MODE_INVALID, "Invalid"},
{ EXT4_ENCRYPTION_MODE_AES_256_XTS, "AES-256-XTS"},
{ EXT4_ENCRYPTION_MODE_AES_256_GCM, "AES-256-GCM"},
{ EXT4_ENCRYPTION_MODE_AES_256_CBC, "AES-256-CBC"},
{ 0, 0 },
};
const char *e2p_encmode2string(int num)
{
struct mode *p;
static char buf[20];
for (p = mode_list; p->string; p++) {
if (num == p->num)
return p->string;
}
sprintf(buf, "ENC_MODE_%d", num);
return buf;
}
/*
* Returns the hash algorithm, or -1 on error
*/
int e2p_string2encmode(char *string)
{
struct mode *p;
char *eptr;
int num;
for (p = mode_list; p->string; p++) {
if (!strcasecmp(string, p->string)) {
return p->num;
}
}
if (strncasecmp(string, "ENC_MODE_", 9))
return -1;
if (string[9] == 0)
return -1;
num = strtol(string+9, &eptr, 10);
if (num > 255 || num < 0)
return -1;
if (*eptr)
return -1;
return num;
}

118
e2fsprogs/lib/e2p/encoding.c Normal file
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/*
* encoding.c --- convert between encoding magic numbers and strings
*
* Copyright (C) 2018 Collabora Ltd.
*
* %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 <string.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include "e2p.h"
#define ARRAY_SIZE(array) \
(sizeof(array) / sizeof(array[0]))
static const struct {
const char *name;
__u16 encoding_magic;
__u16 default_flags;
} ext4_encoding_map[] = {
{
.encoding_magic = EXT4_ENC_UTF8_12_1,
.name = "utf8-12.1",
.default_flags = 0,
},
{
.encoding_magic = EXT4_ENC_UTF8_12_1,
.name = "utf8",
.default_flags = 0,
},
};
static const struct enc_flags {
__u16 flag;
const char *param;
} encoding_flags[] = {
{ EXT4_ENC_STRICT_MODE_FL, "strict" },
};
/* Return a positive number < 0xff indicating the encoding magic number
* or a negative value indicating error. */
int e2p_str2encoding(const char *string)
{
unsigned int i;
for (i = 0 ; i < ARRAY_SIZE(ext4_encoding_map); i++)
if (!strcmp(string, ext4_encoding_map[i].name))
return ext4_encoding_map[i].encoding_magic;
return -EINVAL;
}
/* Return the name of an encoding or NULL */
const char *e2p_encoding2str(int encoding)
{
unsigned int i;
static char buf[32];
for (i = 0 ; i < ARRAY_SIZE(ext4_encoding_map); i++)
if (ext4_encoding_map[i].encoding_magic == encoding)
return ext4_encoding_map[i].name;
sprintf(buf, "UNKNOWN_ENCODING_%d", encoding);
return buf;
}
int e2p_get_encoding_flags(int encoding)
{
unsigned int i;
for (i = 0 ; i < ARRAY_SIZE(ext4_encoding_map); i++)
if (ext4_encoding_map[i].encoding_magic == encoding)
return ext4_encoding_map[i].default_flags;
return 0;
}
int e2p_str2encoding_flags(int encoding, char *param, __u16 *flags)
{
char *f = strtok(param, "-");
const struct enc_flags *fl;
unsigned int i, neg = 0;
if (encoding != EXT4_ENC_UTF8_12_1)
return -EINVAL;
while (f) {
neg = 0;
if (!strncmp("no", f, 2)) {
neg = 1;
f += 2;
}
for (i = 0; i < ARRAY_SIZE(encoding_flags); i++) {
fl = &encoding_flags[i];
if (!strcmp(fl->param, f)) {
if (neg)
*flags &= ~fl->flag;
else
*flags |= fl->flag;
goto next_flag;
}
}
return -EINVAL;
next_flag:
f = strtok(NULL, "-");
}
return 0;
}

48
e2fsprogs/lib/e2p/errcode.c Normal file
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/*
* errcode.c - convert an error code to a string
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "e2p.h"
static const char *err_string[] = {
"",
"UNKNOWN", /* 1 */
"EIO", /* 2 */
"ENOMEM", /* 3 */
"EFSBADCRC", /* 4 */
"EFSCORRUPTED", /* 5 */
"ENOSPC", /* 6 */
"ENOKEY", /* 7 */
"EROFS", /* 8 */
"EFBIG", /* 9 */
"EEXIST", /* 10 */
"ERANGE", /* 11 */
"EOVERFLOW", /* 12 */
"EBUSY", /* 13 */
"ENOTDIR", /* 14 */
"ENOTEMPTY", /* 15 */
"ESHUTDOWN", /* 16 */
"EFAULT", /* 17 */
};
#define ARRAY_SIZE(array) \
(sizeof(array) / sizeof(array[0]))
/* Return the name of an encoding or NULL */
const char *e2p_errcode2str(unsigned int err)
{
static char buf[32];
if (err < ARRAY_SIZE(err_string))
return err_string[err];
sprintf(buf, "UNKNOWN_ERRCODE_%u", err);
return buf;
}

445
e2fsprogs/lib/e2p/feature.c Normal file
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/*
* feature.c --- convert between features and strings
*
* Copyright (C) 1999 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 <string.h>
#include <ctype.h>
#include <errno.h>
#include "e2p.h"
#include <ext2fs/ext2fs.h>
#include <ext2fs/kernel-jbd.h>
struct feature {
int compat;
unsigned int mask;
const char *string;
};
static struct feature feature_list[] = {
{ E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_DIR_PREALLOC,
"dir_prealloc" },
{ E2P_FEATURE_COMPAT, EXT3_FEATURE_COMPAT_HAS_JOURNAL,
"has_journal" },
{ E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_IMAGIC_INODES,
"imagic_inodes" },
{ E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_EXT_ATTR,
"ext_attr" },
{ E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_DIR_INDEX,
"dir_index" },
{ E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_RESIZE_INODE,
"resize_inode" },
{ E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_LAZY_BG,
"lazy_bg" },
{ E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_EXCLUDE_BITMAP,
"snapshot_bitmap" },
{ E2P_FEATURE_COMPAT, EXT4_FEATURE_COMPAT_SPARSE_SUPER2,
"sparse_super2" },
{ E2P_FEATURE_COMPAT, EXT4_FEATURE_COMPAT_FAST_COMMIT,
"fast_commit" },
{ E2P_FEATURE_COMPAT, EXT4_FEATURE_COMPAT_STABLE_INODES,
"stable_inodes" },
{ E2P_FEATURE_RO_INCOMPAT, EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER,
"sparse_super" },
{ E2P_FEATURE_RO_INCOMPAT, EXT2_FEATURE_RO_COMPAT_LARGE_FILE,
"large_file" },
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_HUGE_FILE,
"huge_file" },
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_GDT_CSUM,
"uninit_bg" },
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_GDT_CSUM,
"uninit_groups" },
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_DIR_NLINK,
"dir_nlink" },
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE,
"extra_isize" },
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_QUOTA,
"quota" },
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_BIGALLOC,
"bigalloc"},
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_METADATA_CSUM,
"metadata_csum"},
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_REPLICA,
"replica" },
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_READONLY,
"read-only" },
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_PROJECT,
"project"},
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_SHARED_BLOCKS,
"shared_blocks"},
{ E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_VERITY,
"verity"},
{ E2P_FEATURE_INCOMPAT, EXT2_FEATURE_INCOMPAT_COMPRESSION,
"compression" },
{ E2P_FEATURE_INCOMPAT, EXT2_FEATURE_INCOMPAT_FILETYPE,
"filetype" },
{ E2P_FEATURE_INCOMPAT, EXT3_FEATURE_INCOMPAT_RECOVER,
"needs_recovery" },
{ E2P_FEATURE_INCOMPAT, EXT3_FEATURE_INCOMPAT_JOURNAL_DEV,
"journal_dev" },
{ E2P_FEATURE_INCOMPAT, EXT3_FEATURE_INCOMPAT_EXTENTS,
"extent" },
{ E2P_FEATURE_INCOMPAT, EXT3_FEATURE_INCOMPAT_EXTENTS,
"extents" },
{ E2P_FEATURE_INCOMPAT, EXT2_FEATURE_INCOMPAT_META_BG,
"meta_bg" },
{ E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_64BIT,
"64bit" },
{ E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_MMP,
"mmp" },
{ E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_FLEX_BG,
"flex_bg"},
{ E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_EA_INODE,
"ea_inode"},
{ E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_DIRDATA,
"dirdata"},
{ E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_CSUM_SEED,
"metadata_csum_seed"},
{ E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_LARGEDIR,
"large_dir"},
{ E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_INLINE_DATA,
"inline_data"},
{ E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_ENCRYPT,
"encrypt"},
{ E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_CASEFOLD,
"casefold"},
{ E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_CASEFOLD,
"fname_encoding"},
{ 0, 0, 0 },
};
static struct feature jrnl_feature_list[] = {
{ E2P_FEATURE_COMPAT, JBD2_FEATURE_COMPAT_CHECKSUM,
"journal_checksum" },
{ E2P_FEATURE_INCOMPAT, JBD2_FEATURE_INCOMPAT_REVOKE,
"journal_incompat_revoke" },
{ E2P_FEATURE_INCOMPAT, JBD2_FEATURE_INCOMPAT_64BIT,
"journal_64bit" },
{ E2P_FEATURE_INCOMPAT, JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT,
"journal_async_commit" },
{ E2P_FEATURE_INCOMPAT, JBD2_FEATURE_INCOMPAT_CSUM_V2,
"journal_checksum_v2" },
{ E2P_FEATURE_INCOMPAT, JBD2_FEATURE_INCOMPAT_CSUM_V3,
"journal_checksum_v3" },
{ 0, 0, 0 },
};
void e2p_feature_to_string(int compat, unsigned int mask, char *buf,
size_t buf_len)
{
struct feature *f;
char fchar;
int fnum;
for (f = feature_list; f->string; f++) {
if ((compat == f->compat) &&
(mask == f->mask)) {
strncpy(buf, f->string, buf_len);
buf[buf_len - 1] = 0;
return;
}
}
switch (compat) {
case E2P_FEATURE_COMPAT:
fchar = 'C';
break;
case E2P_FEATURE_INCOMPAT:
fchar = 'I';
break;
case E2P_FEATURE_RO_INCOMPAT:
fchar = 'R';
break;
default:
fchar = '?';
break;
}
for (fnum = 0; mask >>= 1; fnum++);
sprintf(buf, "FEATURE_%c%d", fchar, fnum);
}
const char *e2p_feature2string(int compat, unsigned int mask)
{
static char buf[20];
e2p_feature_to_string(compat, mask, buf, sizeof(buf) / sizeof(buf[0]));
return buf;
}
int e2p_string2feature(char *string, int *compat_type, unsigned int *mask)
{
struct feature *f;
char *eptr;
int num;
for (f = feature_list; f->string; f++) {
if (!strcasecmp(string, f->string)) {
*compat_type = f->compat;
*mask = f->mask;
return 0;
}
}
if (strncasecmp(string, "FEATURE_", 8))
return 1;
switch (string[8]) {
case 'c':
case 'C':
*compat_type = E2P_FEATURE_COMPAT;
break;
case 'i':
case 'I':
*compat_type = E2P_FEATURE_INCOMPAT;
break;
case 'r':
case 'R':
*compat_type = E2P_FEATURE_RO_INCOMPAT;
break;
default:
return 1;
}
if (string[9] == 0)
return 1;
num = strtol(string+9, &eptr, 10);
if (num > 31 || num < 0)
return 1;
if (*eptr)
return 1;
*mask = 1 << num;
return 0;
}
const char *e2p_jrnl_feature2string(int compat, unsigned int mask)
{
struct feature *f;
static char buf[20];
char fchar;
int fnum;
for (f = jrnl_feature_list; f->string; f++) {
if ((compat == f->compat) &&
(mask == f->mask))
return f->string;
}
switch (compat) {
case E2P_FEATURE_COMPAT:
fchar = 'C';
break;
case E2P_FEATURE_INCOMPAT:
fchar = 'I';
break;
case E2P_FEATURE_RO_INCOMPAT:
fchar = 'R';
break;
default:
fchar = '?';
break;
}
for (fnum = 0; mask >>= 1; fnum++);
sprintf(buf, "FEATURE_%c%d", fchar, fnum);
return buf;
}
int e2p_jrnl_string2feature(char *string, int *compat_type, unsigned int *mask)
{
struct feature *f;
char *eptr;
int num;
for (f = jrnl_feature_list; f->string; f++) {
if (!strcasecmp(string, f->string)) {
*compat_type = f->compat;
*mask = f->mask;
return 0;
}
}
if (strncasecmp(string, "FEATURE_", 8))
return 1;
switch (string[8]) {
case 'c':
case 'C':
*compat_type = E2P_FEATURE_COMPAT;
break;
case 'i':
case 'I':
*compat_type = E2P_FEATURE_INCOMPAT;
break;
case 'r':
case 'R':
*compat_type = E2P_FEATURE_RO_INCOMPAT;
break;
default:
return 1;
}
if (string[9] == 0)
return 1;
num = strtol(string+9, &eptr, 10);
if (num > 31 || num < 0)
return 1;
if (*eptr)
return 1;
*mask = 1 << num;
return 0;
}
static char *skip_over_blanks(char *cp)
{
while (*cp && isspace(*cp))
cp++;
return cp;
}
static char *skip_over_word(char *cp)
{
while (*cp && !isspace(*cp) && *cp != ',')
cp++;
return cp;
}
/*
* Edit a feature set array as requested by the user. The ok_array,
* if set, allows the application to limit what features the user is
* allowed to set or clear using this function. If clear_ok_array is set,
* then use it tell whether or not it is OK to clear a filesystem feature.
*/
int e2p_edit_feature2(const char *str, __u32 *compat_array, __u32 *ok_array,
__u32 *clear_ok_array, int *type_err,
unsigned int *mask_err)
{
char *cp, *buf, *next;
int neg;
unsigned int mask;
int compat_type;
int rc = 0;
if (!clear_ok_array)
clear_ok_array = ok_array;
if (type_err)
*type_err = 0;
if (mask_err)
*mask_err = 0;
buf = malloc(strlen(str)+1);
if (!buf)
return 1;
strcpy(buf, str);
for (cp = buf; cp && *cp; cp = next ? next+1 : 0) {
neg = 0;
cp = skip_over_blanks(cp);
next = skip_over_word(cp);
if (*next == 0)
next = 0;
else
*next = 0;
if ((strcasecmp(cp, "none") == 0) ||
(strcasecmp(cp, "clear") == 0)) {
compat_array[0] = 0;
compat_array[1] = 0;
compat_array[2] = 0;
continue;
}
switch (*cp) {
case '-':
case '^':
neg++;
/* fallthrough */
case '+':
cp++;
break;
}
if (e2p_string2feature(cp, &compat_type, &mask)) {
rc = 1;
break;
}
if (neg) {
if (clear_ok_array &&
!(clear_ok_array[compat_type] & mask)) {
rc = 1;
if (type_err)
*type_err = (compat_type |
E2P_FEATURE_NEGATE_FLAG);
if (mask_err)
*mask_err = mask;
break;
}
compat_array[compat_type] &= ~mask;
} else {
if (ok_array && !(ok_array[compat_type] & mask)) {
rc = 1;
if (type_err)
*type_err = compat_type;
if (mask_err)
*mask_err = mask;
break;
}
compat_array[compat_type] |= mask;
}
}
free(buf);
return rc;
}
int e2p_edit_feature(const char *str, __u32 *compat_array, __u32 *ok_array)
{
return e2p_edit_feature2(str, compat_array, ok_array, 0, 0, 0);
}
#ifdef TEST_PROGRAM
int main(int argc, char **argv)
{
int compat, compat2, i;
unsigned int mask, mask2;
const char *str;
struct feature *f;
for (i = 0; i < 2; i++) {
if (i == 0) {
f = feature_list;
printf("Feature list:\n");
} else {
printf("\nJournal feature list:\n");
f = jrnl_feature_list;
}
for (; f->string; f++) {
if (i == 0) {
e2p_string2feature((char *)f->string, &compat,
&mask);
str = e2p_feature2string(compat, mask);
} else {
e2p_jrnl_string2feature((char *)f->string,
&compat, &mask);
str = e2p_jrnl_feature2string(compat, mask);
}
printf("\tCompat = %d, Mask = %u, %s\n",
compat, mask, f->string);
if (strcmp(f->string, str)) {
if (e2p_string2feature((char *) str, &compat2,
&mask2) ||
(compat2 != compat) ||
(mask2 != mask)) {
fprintf(stderr, "Failure!\n");
exit(1);
}
}
}
}
exit(0);
}
#endif

117
e2fsprogs/lib/e2p/fgetflags.c Normal file
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/*
* fgetflags.c - Get a file flags on an ext2 file system
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Library
* General Public License, version 2.
* %End-Header%
*/
/*
* History:
* 93/10/30 - Creation
*/
#ifndef _LARGEFILE_SOURCE
#define _LARGEFILE_SOURCE
#endif
#ifndef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE
#endif
#include "config.h"
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#if HAVE_EXT2_IOCTLS
#include <fcntl.h>
#include <sys/ioctl.h>
#endif
#include "e2p.h"
#ifndef O_LARGEFILE
#define O_LARGEFILE 0
#endif
#ifndef O_NOFOLLOW
#define O_NOFOLLOW 0
#endif
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_NOFOLLOW)
int fgetflags (const char * name, unsigned long * flags)
{
#if HAVE_STAT_FLAGS && !(APPLE_DARWIN && HAVE_EXT2_IOCTLS)
struct stat buf;
if (stat (name, &buf) == -1)
return -1;
*flags = 0;
#ifdef UF_IMMUTABLE
if (buf.st_flags & UF_IMMUTABLE)
*flags |= EXT2_IMMUTABLE_FL;
#endif
#ifdef UF_APPEND
if (buf.st_flags & UF_APPEND)
*flags |= EXT2_APPEND_FL;
#endif
#ifdef UF_NODUMP
if (buf.st_flags & UF_NODUMP)
*flags |= EXT2_NODUMP_FL;
#endif
return 0;
#elif APPLE_DARWIN && HAVE_EXT2_IOCTLS
int f, save_errno = 0;
f = -1;
save_errno = syscall(SYS_fsctl, name, EXT2_IOC_GETFLAGS, &f, 0);
*flags = f;
return (save_errno);
#elif HAVE_EXT2_IOCTLS
struct stat buf;
int fd, r, f, save_errno = 0;
if (!stat(name, &buf) &&
!S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
errno = EOPNOTSUPP;
return -1;
}
fd = open(name, OPEN_FLAGS);
if (fd == -1) {
if (errno == ELOOP || errno == ENXIO)
errno = EOPNOTSUPP;
return -1;
}
if (!fstat(fd, &buf) &&
!S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
close(fd);
errno = EOPNOTSUPP;
return -1;
}
r = ioctl(fd, EXT2_IOC_GETFLAGS, &f);
if (r == -1) {
if (errno == ENOTTY)
errno = EOPNOTSUPP;
save_errno = errno;
}
*flags = f;
close(fd);
if (save_errno)
errno = save_errno;
return r;
#else
errno = EOPNOTSUPP;
return -1;
#endif
}

63
e2fsprogs/lib/e2p/fgetproject.c Normal file
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/*
* fgetproject.c --- get project id
*
* Copyright (C) 1999 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%
*/
#ifndef _LARGEFILE_SOURCE
#define _LARGEFILE_SOURCE
#endif
#ifndef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE
#endif
#include "config.h"
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#if HAVE_EXT2_IOCTLS
#include <fcntl.h>
#include <sys/ioctl.h>
#include "project.h"
#endif
#include "e2p.h"
#ifdef O_LARGEFILE
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
#else
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
#endif
int fgetproject(const char *name, unsigned long *project)
{
#ifndef FS_IOC_FSGETXATTR
errno = EOPNOTSUPP;
return -1;
#else
int fd, r, save_errno = 0;
struct fsxattr fsx;
fd = open (name, OPEN_FLAGS);
if (fd == -1)
return -1;
r = ioctl (fd, FS_IOC_FSGETXATTR, &fsx);
if (r == 0)
*project = fsx.fsx_projid;
save_errno = errno;
close (fd);
if (save_errno)
errno = save_errno;
return r;
#endif
}

74
e2fsprogs/lib/e2p/fgetversion.c Normal file
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@@ -0,0 +1,74 @@
/*
* fgetversion.c - Get a file version on an ext2 file system
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Library
* General Public License, version 2.
* %End-Header%
*/
/*
* History:
* 93/10/30 - Creation
*/
#ifndef _LARGEFILE_SOURCE
#define _LARGEFILE_SOURCE
#endif
#ifndef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE
#endif
#include "config.h"
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <fcntl.h>
#if HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#include "e2p.h"
#ifdef O_LARGEFILE
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
#else
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
#endif
int fgetversion(const char *name, unsigned long *version)
{
unsigned int ver = -1;
int rc = -1;
#if HAVE_EXT2_IOCTLS
# if !APPLE_DARWIN
int fd, save_errno = 0;
fd = open(name, OPEN_FLAGS);
if (fd == -1)
return -1;
rc = ioctl(fd, EXT2_IOC_GETVERSION, &ver);
if (rc == -1)
save_errno = errno;
close(fd);
if (rc == -1)
errno = save_errno;
# else /* APPLE_DARWIN */
rc = syscall(SYS_fsctl, name, EXT2_IOC_GETVERSION, &ver, 0);
# endif /* !APPLE_DARWIN */
#else /* ! HAVE_EXT2_IOCTLS */
errno = EOPNOTSUPP;
#endif /* ! HAVE_EXT2_IOCTLS */
if (rc == 0)
*version = ver;
return rc;
}

118
e2fsprogs/lib/e2p/fsetflags.c Normal file
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/*
* fsetflags.c - Set a file flags on an ext2 file system
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Library
* General Public License, version 2.
* %End-Header%
*/
/*
* History:
* 93/10/30 - Creation
*/
#ifndef _LARGEFILE_SOURCE
#define _LARGEFILE_SOURCE
#endif
#ifndef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE
#endif
#include "config.h"
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#if HAVE_EXT2_IOCTLS
#include <fcntl.h>
#include <sys/ioctl.h>
#endif
#include "e2p.h"
/*
* Deal with lame glibc's that define this function without actually
* implementing it. Can you say "attractive nuisance", boys and girls?
* I knew you could!
*/
#ifdef __linux__
#undef HAVE_CHFLAGS
#endif
#ifndef O_LARGEFILE
#define O_LARGEFILE 0
#endif
#ifndef O_NOFOLLOW
#define O_NOFOLLOW 0
#endif
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_NOFOLLOW)
int fsetflags (const char * name, unsigned long flags)
{
#if HAVE_CHFLAGS && !(APPLE_DARWIN && HAVE_EXT2_IOCTLS)
unsigned long bsd_flags = 0;
#ifdef UF_IMMUTABLE
if (flags & EXT2_IMMUTABLE_FL)
bsd_flags |= UF_IMMUTABLE;
#endif
#ifdef UF_APPEND
if (flags & EXT2_APPEND_FL)
bsd_flags |= UF_APPEND;
#endif
#ifdef UF_NODUMP
if (flags & EXT2_NODUMP_FL)
bsd_flags |= UF_NODUMP;
#endif
return chflags (name, bsd_flags);
#elif APPLE_DARWIN && HAVE_EXT2_IOCTLS
int f = (int) flags;
return syscall(SYS_fsctl, name, EXT2_IOC_SETFLAGS, &f, 0);
#elif HAVE_EXT2_IOCTLS
struct stat buf;
int fd, r, f, save_errno = 0;
if (!stat(name, &buf) &&
!S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
errno = EOPNOTSUPP;
return -1;
}
fd = open(name, OPEN_FLAGS);
if (fd == -1) {
if (errno == ELOOP || errno == ENXIO)
errno = EOPNOTSUPP;
return -1;
}
if (!fstat(fd, &buf) &&
!S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
close(fd);
errno = EOPNOTSUPP;
return -1;
}
f = (int) flags;
r = ioctl(fd, EXT2_IOC_SETFLAGS, &f);
if (r == -1) {
if (errno == ENOTTY)
errno = EOPNOTSUPP;
save_errno = errno;
}
close(fd);
if (save_errno)
errno = save_errno;
return r;
#else
errno = EOPNOTSUPP;
return -1;
#endif
}

69
e2fsprogs/lib/e2p/fsetproject.c Normal file
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@@ -0,0 +1,69 @@
/*
* fgetproject.c --- get project id
*
* Copyright (C) 1999 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%
*/
#ifndef _LARGEFILE_SOURCE
#define _LARGEFILE_SOURCE
#endif
#ifndef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE
#endif
#include "config.h"
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#if HAVE_EXT2_IOCTLS
#include <fcntl.h>
#include <sys/ioctl.h>
#include "project.h"
#endif
#include "e2p.h"
#ifdef O_LARGEFILE
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
#else
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
#endif
int fsetproject(const char *name, unsigned long project)
{
#ifndef FS_IOC_FSGETXATTR
errno = EOPNOTSUPP;
return -1;
#else
int fd, r, save_errno = 0;
struct fsxattr fsx;
fd = open (name, OPEN_FLAGS);
if (fd == -1)
return -1;
r = ioctl (fd, FS_IOC_FSGETXATTR, &fsx);
if (r == -1) {
save_errno = errno;
goto errout;
}
fsx.fsx_projid = project;
r = ioctl (fd, FS_IOC_FSSETXATTR, &fsx);
if (r == -1)
save_errno = errno;
errout:
close (fd);
if (save_errno)
errno = save_errno;
return r;
#endif
}

71
e2fsprogs/lib/e2p/fsetversion.c Normal file
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@@ -0,0 +1,71 @@
/*
* fsetversion.c - Set a file version on an ext2 file system
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Library
* General Public License, version 2.
* %End-Header%
*/
/*
* History:
* 93/10/30 - Creation
*/
#ifndef _LARGEFILE_SOURCE
#define _LARGEFILE_SOURCE
#endif
#ifndef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE
#endif
#include "config.h"
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <fcntl.h>
#if HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#include "e2p.h"
#ifdef O_LARGEFILE
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
#else
#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
#endif
int fsetversion (const char * name, unsigned long version)
{
#if HAVE_EXT2_IOCTLS
#if !APPLE_DARWIN
int fd, r, ver, save_errno = 0;
fd = open (name, OPEN_FLAGS);
if (fd == -1)
return -1;
ver = (int) version;
r = ioctl (fd, EXT2_IOC_SETVERSION, &ver);
if (r == -1)
save_errno = errno;
close (fd);
if (save_errno)
errno = save_errno;
return r;
#else
int ver = (int)version;
return syscall(SYS_fsctl, name, EXT2_IOC_SETVERSION, &ver, 0);
#endif
#else /* ! HAVE_EXT2_IOCTLS */
errno = EOPNOTSUPP;
return -1;
#endif /* ! HAVE_EXT2_IOCTLS */
}

71
e2fsprogs/lib/e2p/getflags.c Normal file
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@@ -0,0 +1,71 @@
/*
* getflags.c - Get a file flags on an ext2 file system
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Library
* General Public License, version 2.
* %End-Header%
*/
/*
* History:
* 93/10/30 - Creation
*/
#include "config.h"
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#if HAVE_EXT2_IOCTLS
#include <sys/ioctl.h>
#endif
#include "e2p.h"
int getflags (int fd, unsigned long * flags)
{
#if HAVE_STAT_FLAGS
struct stat buf;
if (fstat (fd, &buf) == -1)
return -1;
*flags = 0;
#ifdef UF_IMMUTABLE
if (buf.st_flags & UF_IMMUTABLE)
*flags |= EXT2_IMMUTABLE_FL;
#endif
#ifdef UF_APPEND
if (buf.st_flags & UF_APPEND)
*flags |= EXT2_APPEND_FL;
#endif
#ifdef UF_NODUMP
if (buf.st_flags & UF_NODUMP)
*flags |= EXT2_NODUMP_FL;
#endif
return 0;
#else
#if HAVE_EXT2_IOCTLS
struct stat buf;
int r, f;
if (!fstat(fd, &buf) &&
!S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode))
goto notsupp;
r = ioctl(fd, EXT2_IOC_GETFLAGS, &f);
*flags = f;
return r;
notsupp:
#endif /* HAVE_EXT2_IOCTLS */
#endif
errno = EOPNOTSUPP;
return -1;
}

41
e2fsprogs/lib/e2p/getversion.c Normal file
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@@ -0,0 +1,41 @@
/*
* getversion.c - Get a file version on an ext2 file system
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Library
* General Public License, version 2.
* %End-Header%
*/
/*
* History:
* 93/10/30 - Creation
*/
#include "config.h"
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#include "e2p.h"
int getversion (int fd, unsigned long * version)
{
#if HAVE_EXT2_IOCTLS
int r, ver;
r = ioctl (fd, EXT2_IOC_GETVERSION, &ver);
*version = ver;
return r;
#else /* ! HAVE_EXT2_IOCTLS */
errno = EOPNOTSUPP;
return -1;
#endif /* ! HAVE_EXT2_IOCTLS */
}

72
e2fsprogs/lib/e2p/hashstr.c Normal file
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@@ -0,0 +1,72 @@
/*
* feature.c --- convert between features and strings
*
* Copyright (C) 1999 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 <string.h>
#include <ctype.h>
#include <errno.h>
#include "e2p.h"
struct hash {
int num;
const char *string;
};
static struct hash hash_list[] = {
{ EXT2_HASH_LEGACY, "legacy" },
{ EXT2_HASH_HALF_MD4, "half_md4" },
{ EXT2_HASH_TEA, "tea" },
{ 0, 0 },
};
const char *e2p_hash2string(int num)
{
struct hash *p;
static char buf[20];
for (p = hash_list; p->string; p++) {
if (num == p->num)
return p->string;
}
sprintf(buf, "HASHALG_%d", num);
return buf;
}
/*
* Returns the hash algorithm, or -1 on error
*/
int e2p_string2hash(char *string)
{
struct hash *p;
char *eptr;
int num;
for (p = hash_list; p->string; p++) {
if (!strcasecmp(string, p->string)) {
return p->num;
}
}
if (strncasecmp(string, "HASHALG_", 8))
return -1;
if (string[8] == 0)
return -1;
num = strtol(string+8, &eptr, 10);
if (num > 255 || num < 0)
return -1;
if (*eptr)
return -1;
return num;
}

76
e2fsprogs/lib/e2p/iod.c Normal file
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@@ -0,0 +1,76 @@
/*
* iod.c - Iterate a function on each entry of a directory
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Library
* General Public License, version 2.
* %End-Header%
*/
/*
* History:
* 93/10/30 - Creation
*/
#include "config.h"
#include "e2p.h"
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdlib.h>
#include <string.h>
int iterate_on_dir (const char * dir_name,
int (*func) (const char *, struct dirent *, void *),
void * private)
{
DIR * dir;
struct dirent *de, *dep;
int max_len = -1, len, ret = 0;
#if HAVE_PATHCONF && defined(_PC_NAME_MAX)
max_len = pathconf(dir_name, _PC_NAME_MAX);
#endif
if (max_len == -1) {
#ifdef _POSIX_NAME_MAX
max_len = _POSIX_NAME_MAX;
#else
#ifdef NAME_MAX
max_len = NAME_MAX;
#else
max_len = 256;
#endif /* NAME_MAX */
#endif /* _POSIX_NAME_MAX */
}
max_len += sizeof(struct dirent);
de = malloc(max_len+1);
if (!de)
return -1;
memset(de, 0, max_len+1);
dir = opendir (dir_name);
if (dir == NULL) {
free(de);
return -1;
}
while ((dep = readdir (dir))) {
#ifdef HAVE_RECLEN_DIRENT
len = dep->d_reclen;
if (len > max_len)
len = max_len;
#else
len = sizeof(struct dirent);
#endif
memcpy(de, dep, len);
if ((*func)(dir_name, de, private))
ret++;
}
free(de);
closedir(dir);
return ret;
}

134
e2fsprogs/lib/e2p/ljs.c Normal file
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@@ -0,0 +1,134 @@
/*
* ljs.c - List the contents of an journal superblock
*
* 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 "ext2fs/ext2_fs.h"
#include "ext2fs/ext2fs.h"
#include "e2p.h"
#include "ext2fs/kernel-jbd.h"
#ifdef WORDS_BIGENDIAN
#define e2p_be32(x) (x)
#else
static __u32 e2p_swab32(__u32 val)
{
return ((val>>24) | ((val>>8)&0xFF00) |
((val<<8)&0xFF0000) | (val<<24));
}
#define e2p_be32(x) e2p_swab32(x)
#endif
/*
* This function is copied from kernel-jbd.h's function
* jbd2_journal_get_num_fc_blks() to avoid inter-library dependencies.
*/
static inline int get_num_fc_blks(journal_superblock_t *jsb)
{
int num_fc_blocks = e2p_be32(jsb->s_num_fc_blks);
return num_fc_blocks ? num_fc_blocks : JBD2_DEFAULT_FAST_COMMIT_BLOCKS;
}
static const char *journal_checksum_type_str(__u8 type)
{
switch (type) {
case JBD2_CRC32C_CHKSUM:
return "crc32c";
default:
return "unknown";
}
}
void e2p_list_journal_super(FILE *f, char *journal_sb_buf,
int exp_block_size, int flags)
{
journal_superblock_t *jsb = (journal_superblock_t *) journal_sb_buf;
__u32 *mask_ptr, mask, m;
unsigned int size;
int j, printed = 0;
unsigned int i, nr_users;
int num_fc_blks = 0;
int journal_blks = 0;
if (flags & E2P_LIST_JOURNAL_FLAG_FC)
num_fc_blks = get_num_fc_blks((journal_superblock_t *)journal_sb_buf);
journal_blks = ntohl(jsb->s_maxlen) - num_fc_blks;
fprintf(f, "%s", "Journal features: ");
for (i=0, mask_ptr=&jsb->s_feature_compat; i <3; i++,mask_ptr++) {
mask = e2p_be32(*mask_ptr);
for (j=0,m=1; j < 32; j++, m<<=1) {
if (mask & m) {
fprintf(f, " %s", e2p_jrnl_feature2string(i, m));
printed++;
}
}
}
if (printed == 0)
fprintf(f, " (none)");
fputc('\n', f);
fputs("Total journal size: ", f);
size = (ntohl(jsb->s_blocksize) / 1024) * ntohl(jsb->s_maxlen);
if (size < 8192)
fprintf(f, "%uk\n", size);
else
fprintf(f, "%uM\n", size >> 10);
nr_users = (unsigned int) ntohl(jsb->s_nr_users);
if (exp_block_size != (int) ntohl(jsb->s_blocksize))
fprintf(f, "Journal block size: %u\n",
(unsigned int)ntohl(jsb->s_blocksize));
fprintf(f, "Total journal blocks: %u\n",
(unsigned int)(journal_blks + num_fc_blks));
fprintf(f, "Max transaction length: %u\n",
(unsigned int)journal_blks);
fprintf(f, "Fast commit length: %u\n",
(unsigned int)num_fc_blks);
if (ntohl(jsb->s_first) != 1)
fprintf(f, "Journal first block: %u\n",
(unsigned int)ntohl(jsb->s_first));
fprintf(f, "Journal sequence: 0x%08x\n"
"Journal start: %u\n",
(unsigned int)ntohl(jsb->s_sequence),
(unsigned int)ntohl(jsb->s_start));
if (nr_users != 1)
fprintf(f, "Journal number of users: %u\n", nr_users);
if (jsb->s_feature_compat & e2p_be32(JBD2_FEATURE_COMPAT_CHECKSUM))
fprintf(f, "%s", "Journal checksum type: crc32\n");
if ((jsb->s_feature_incompat &
e2p_be32(JBD2_FEATURE_INCOMPAT_CSUM_V3)) ||
(jsb->s_feature_incompat &
e2p_be32(JBD2_FEATURE_INCOMPAT_CSUM_V2)))
fprintf(f, "Journal checksum type: %s\n"
"Journal checksum: 0x%08x\n",
journal_checksum_type_str(jsb->s_checksum_type),
e2p_be32(jsb->s_checksum));
if ((nr_users > 1) ||
!e2p_is_null_uuid(&jsb->s_users[0])) {
for (i=0; i < nr_users && i < JBD2_USERS_MAX; i++) {
printf(i ? " %s\n"
: "Journal users: %s\n",
e2p_uuid2str(&jsb->s_users[i * UUID_SIZE]));
}
}
if (jsb->s_errno != 0)
fprintf(f, "Journal errno: %d\n",
(int) ntohl(jsb->s_errno));
}

491
e2fsprogs/lib/e2p/ls.c Normal file
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@@ -0,0 +1,491 @@
/*
* 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));
}
void list_super (struct ext2_super_block * s)
{
list_super2(s, stdout);
}

150
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/*
* mountopts.c --- convert between default mount options and strings
*
* Copyright (C) 2002 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 <string.h>
#include <strings.h>
#include <ctype.h>
#include <errno.h>
#include "e2p.h"
struct mntopt {
unsigned int mask;
const char *string;
};
static struct mntopt mntopt_list[] = {
{ EXT2_DEFM_DEBUG, "debug" },
{ EXT2_DEFM_BSDGROUPS, "bsdgroups" },
{ EXT2_DEFM_XATTR_USER, "user_xattr" },
{ EXT2_DEFM_ACL, "acl" },
{ EXT2_DEFM_UID16, "uid16" },
{ EXT3_DEFM_JMODE_DATA, "journal_data" },
{ EXT3_DEFM_JMODE_ORDERED, "journal_data_ordered" },
{ EXT3_DEFM_JMODE_WBACK, "journal_data_writeback" },
{ EXT4_DEFM_NOBARRIER, "nobarrier" },
{ EXT4_DEFM_BLOCK_VALIDITY, "block_validity" },
{ EXT4_DEFM_DISCARD, "discard"},
{ EXT4_DEFM_NODELALLOC, "nodelalloc"},
{ 0, 0 },
};
const char *e2p_mntopt2string(unsigned int mask)
{
struct mntopt *f;
static char buf[20];
int fnum;
for (f = mntopt_list; f->string; f++) {
if (mask == f->mask)
return f->string;
}
for (fnum = 0; mask >>= 1; fnum++);
sprintf(buf, "MNTOPT_%d", fnum);
return buf;
}
int e2p_string2mntopt(char *string, unsigned int *mask)
{
struct mntopt *f;
char *eptr;
int num;
for (f = mntopt_list; f->string; f++) {
if (!strcasecmp(string, f->string)) {
*mask = f->mask;
return 0;
}
}
if (strncasecmp(string, "MNTOPT_", 7))
return 1;
if (string[8] == 0)
return 1;
num = strtol(string+8, &eptr, 10);
if (num > 31 || num < 0)
return 1;
if (*eptr)
return 1;
*mask = 1 << num;
return 0;
}
static char *skip_over_blanks(char *cp)
{
while (*cp && isspace(*cp))
cp++;
return cp;
}
static char *skip_over_word(char *cp)
{
while (*cp && !isspace(*cp) && *cp != ',')
cp++;
return cp;
}
/*
* Edit a mntopt set array as requested by the user. The ok
* parameter, if non-zero, allows the application to limit what
* mntopts the user is allowed to set or clear using this function.
*/
int e2p_edit_mntopts(const char *str, __u32 *mntopts, __u32 ok)
{
char *cp, *buf, *next;
int neg;
unsigned int mask;
int rc = 0;
buf = malloc(strlen(str)+1);
if (!buf)
return 1;
strcpy(buf, str);
cp = buf;
while (cp && *cp) {
neg = 0;
cp = skip_over_blanks(cp);
next = skip_over_word(cp);
if (*next == 0)
next = 0;
else
*next = 0;
switch (*cp) {
case '-':
case '^':
neg++;
/* fallthrough */
case '+':
cp++;
break;
}
if (e2p_string2mntopt(cp, &mask)) {
rc = 1;
break;
}
if (ok && !(ok & mask)) {
rc = 1;
break;
}
if (mask & EXT3_DEFM_JMODE)
*mntopts &= ~EXT3_DEFM_JMODE;
if (neg)
*mntopts &= ~mask;
else
*mntopts |= mask;
cp = next ? next+1 : 0;
}
free(buf);
return rc;
}

79
e2fsprogs/lib/e2p/ostype.c Normal file
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/*
* getostype.c - Get the Filesystem OS type
*
* Copyright (C) 2004,2005 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 "e2p.h"
#include <string.h>
#include <stdlib.h>
static const char *os_tab[] =
{ "Linux",
"Hurd",
"Masix",
"FreeBSD",
"Lites",
0 };
/*
* Convert an os_type to a string
*/
char *e2p_os2string(int os_type)
{
const char *os;
char *ret;
if (os_type >= 0 && os_type <= EXT2_OS_LITES)
os = os_tab[os_type];
else
os = "(unknown os)";
ret = malloc(strlen(os)+1);
if (ret)
strcpy(ret, os);
return ret;
}
/*
* Convert an os_type to a string
*/
int e2p_string2os(char *str)
{
const char **cpp;
int i = 0;
for (cpp = os_tab; *cpp; cpp++, i++) {
if (!strcasecmp(str, *cpp))
return i;
}
return -1;
}
#ifdef TEST_PROGRAM
int main(int argc, char **argv)
{
char *s;
int i, os;
for (i=0; i <= EXT2_OS_LITES; i++) {
s = e2p_os2string(i);
os = e2p_string2os(s);
printf("%d: %s (%d)\n", i, s, os);
free(s);
if (i != os) {
fprintf(stderr, "Failure!\n");
exit(1);
}
}
exit(0);
}
#endif

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/*
* parse_num.c - Parse the number of blocks
*
* Copyright (C) 2004,2005 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 "e2p.h"
#include <stdlib.h>
unsigned long long parse_num_blocks2(const char *arg, int log_block_size)
{
char *p;
unsigned long long num;
num = strtoull(arg, &p, 0);
if (p[0] && p[1])
return 0;
switch (*p) { /* Using fall-through logic */
case 'T': case 't':
num <<= 10;
/* fallthrough */
case 'G': case 'g':
num <<= 10;
/* fallthrough */
case 'M': case 'm':
num <<= 10;
/* fallthrough */
case 'K': case 'k':
if (log_block_size < 0)
num <<= 10;
else
num >>= log_block_size;
break;
case 's':
if (log_block_size < 0)
num <<= 9;
else
num >>= (1+log_block_size);
break;
case '\0':
break;
default:
return 0;
}
return num;
}
unsigned long parse_num_blocks(const char *arg, int log_block_size)
{
return parse_num_blocks2(arg, log_block_size);
}
#ifdef DEBUG
#include <unistd.h>
#include <stdio.h>
main(int argc, char **argv)
{
unsigned long num;
int log_block_size = 0;
if (argc != 2 && argc != 3) {
fprintf(stderr, "Usage: %s arg [log_block_size]\n", argv[0]);
exit(1);
}
if (argc == 3) {
char *p;
log_block_size = strtol(argv[2], &p, 0);
if (*p) {
fprintf(stderr, "Bad log_block_size: %s\n", argv[2]);
exit(1);
}
}
num = parse_num_blocks(argv[1], log_block_size);
printf("Parsed number: %lu\n", num);
exit(0);
}
#endif

40
e2fsprogs/lib/e2p/pe.c Normal file
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/*
* pe.c - Print a second extended filesystem errors behavior
*
* Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Library
* General Public License, version 2.
* %End-Header%
*/
/*
* History:
* 94/01/09 - Creation
*/
#include "config.h"
#include <stdio.h>
#include "e2p.h"
void print_fs_errors (FILE * f, unsigned short errors)
{
switch (errors)
{
case EXT2_ERRORS_CONTINUE:
fprintf (f, "Continue");
break;
case EXT2_ERRORS_RO:
fprintf (f, "Remount read-only");
break;
case EXT2_ERRORS_PANIC:
fprintf (f, "Panic");
break;
default:
fprintf (f, "Unknown (continue)");
}
}

67
e2fsprogs/lib/e2p/percent.c Normal file
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/*
* percent.c - Take percentage of a number
*
* Copyright (C) 2006 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 "e2p.h"
#include <stdlib.h>
/*
* We work really hard to calculate this accurately, while avoiding
* an overflow. "Is there a hyphen in anal-retentive?" :-)
*/
unsigned int e2p_percent(int percent, unsigned int base)
{
unsigned int mask = ~((1 << (sizeof(unsigned int) - 1) * 8) - 1);
if (!percent)
return 0;
if (100 % percent == 0)
return base / (100 / percent);
if (mask & base)
return (base / 100) * percent;
return base * percent / 100;
}
#ifdef DEBUG
#include <unistd.h>
#include <stdio.h>
main(int argc, char **argv)
{
unsigned int base;
int percent;
char *p;
int log_block_size = 0;
if (argc != 3) {
fprintf(stderr, "Usage: %s percent base\n", argv[0]);
exit(1);
}
percent = strtoul(argv[1], &p, 0);
if (p[0] && p[1]) {
fprintf(stderr, "Bad percent: %s\n", argv[1]);
exit(1);
}
base = strtoul(argv[2], &p, 0);
if (p[0] && p[1]) {
fprintf(stderr, "Bad base: %s\n", argv[2]);
exit(1);
}
printf("%d percent of %u is %u.\n", percent, base,
e2p_percent(percent, base));
exit(0);
}
#endif

79
e2fsprogs/lib/e2p/pf.c Normal file
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/*
* pf.c - Print file attributes on an ext2 file system
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Library
* General Public License, version 2.
* %End-Header%
*/
/*
* History:
* 93/10/30 - Creation
*/
#include "config.h"
#include <stdio.h>
#include "e2p.h"
struct flags_name {
unsigned long flag;
const char *short_name;
const char *long_name;
};
static struct flags_name flags_array[] = {
{ EXT2_SECRM_FL, "s", "Secure_Deletion" },
{ EXT2_UNRM_FL, "u" , "Undelete" },
{ EXT2_SYNC_FL, "S", "Synchronous_Updates" },
{ EXT2_DIRSYNC_FL, "D", "Synchronous_Directory_Updates" },
{ EXT2_IMMUTABLE_FL, "i", "Immutable" },
{ EXT2_APPEND_FL, "a", "Append_Only" },
{ EXT2_NODUMP_FL, "d", "No_Dump" },
{ EXT2_NOATIME_FL, "A", "No_Atime" },
{ EXT2_COMPR_FL, "c", "Compression_Requested" },
{ EXT4_ENCRYPT_FL, "E", "Encrypted" },
{ EXT3_JOURNAL_DATA_FL, "j", "Journaled_Data" },
{ EXT2_INDEX_FL, "I", "Indexed_directory" },
{ EXT2_NOTAIL_FL, "t", "No_Tailmerging" },
{ EXT2_TOPDIR_FL, "T", "Top_of_Directory_Hierarchies" },
{ EXT4_EXTENTS_FL, "e", "Extents" },
{ FS_NOCOW_FL, "C", "No_COW" },
{ FS_DAX_FL, "x", "DAX" },
{ EXT4_CASEFOLD_FL, "F", "Casefold" },
{ EXT4_INLINE_DATA_FL, "N", "Inline_Data" },
{ EXT4_PROJINHERIT_FL, "P", "Project_Hierarchy" },
{ EXT4_VERITY_FL, "V", "Verity" },
{ EXT2_NOCOMPR_FL, "m", "Dont_Compress" },
{ 0, NULL, NULL }
};
void print_flags (FILE * f, unsigned long flags, unsigned options)
{
int long_opt = (options & PFOPT_LONG);
struct flags_name *fp;
int first = 1;
for (fp = flags_array; fp->flag != 0; fp++) {
if (flags & fp->flag) {
if (long_opt) {
if (first)
first = 0;
else
fputs(", ", f);
fputs(fp->long_name, f);
} else
fputs(fp->short_name, f);
} else {
if (!long_opt)
fputs("-", f);
}
}
if (long_opt && first)
fputs("---", f);
}

32
e2fsprogs/lib/e2p/ps.c Normal file
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/*
* ps.c - Print filesystem state
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Library
* General Public License, version 2.
* %End-Header%
*/
/*
* History:
* 93/12/22 - Creation
*/
#include "config.h"
#include <stdio.h>
#include "e2p.h"
void print_fs_state (FILE * f, unsigned short state)
{
if (state & EXT2_VALID_FS)
fprintf (f, " clean");
else
fprintf (f, " not clean");
if (state & EXT2_ERROR_FS)
fprintf (f, " with errors");
}

77
e2fsprogs/lib/e2p/setflags.c Normal file
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/*
* setflags.c - Set a file flags on an ext2 file system
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Library
* General Public License, version 2.
* %End-Header%
*/
/*
* History:
* 93/10/30 - Creation
*/
#include "config.h"
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#if HAVE_EXT2_IOCTLS
#include <sys/ioctl.h>
#endif
#include "e2p.h"
/*
* Deal with lame glibc's that define this function without actually
* implementing it. Can you say "attractive nuisance", boys and girls?
* I knew you could!
*/
#ifdef __linux__
#undef HAVE_CHFLAGS
#endif
int setflags (int fd, unsigned long flags)
{
#if HAVE_CHFLAGS
unsigned long bsd_flags = 0;
#ifdef UF_IMMUTABLE
if (flags & EXT2_IMMUTABLE_FL)
bsd_flags |= UF_IMMUTABLE;
#endif
#ifdef UF_APPEND
if (flags & EXT2_APPEND_FL)
bsd_flags |= UF_APPEND;
#endif
#ifdef UF_NODUMP
if (flags & EXT2_NODUMP_FL)
bsd_flags |= UF_NODUMP;
#endif
return fchflags (fd, bsd_flags);
#else /* ! HAVE_CHFLAGS */
#if HAVE_EXT2_IOCTLS
struct stat buf;
int f;
if (!fstat(fd, &buf) &&
!S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
errno = EOPNOTSUPP;
return -1;
}
f = (int) flags;
return ioctl(fd, EXT2_IOC_SETFLAGS, &f);
#else
errno = EOPNOTSUPP;
return -1;
#endif /* HAVE_EXT2_IOCTLS */
#endif /* HAVE_CHFLAGS */
}

40
e2fsprogs/lib/e2p/setversion.c Normal file
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/*
* setversion.c - Set a file version on an ext2 file system
*
* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
* Laboratoire MASI, Institut Blaise Pascal
* Universite Pierre et Marie Curie (Paris VI)
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Library
* General Public License, version 2.
* %End-Header%
*/
/*
* History:
* 93/10/30 - Creation
*/
#include "config.h"
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#include "e2p.h"
int setversion (int fd, unsigned long version)
{
#if HAVE_EXT2_IOCTLS
int ver;
ver = (int) version;
return ioctl (fd, EXT2_IOC_SETVERSION, &ver);
#else /* ! HAVE_EXT2_IOCTLS */
errno = EOPNOTSUPP;
return -1;
#endif /* ! HAVE_EXT2_IOCTLS */
}

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/*
* uuid.c -- utility routines for manipulating UUID's.
*
* %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 <string.h>
#include <ext2fs/ext2_types.h>
#include "e2p.h"
struct uuid {
__u32 time_low;
__u16 time_mid;
__u16 time_hi_and_version;
__u16 clock_seq;
__u8 node[6];
};
/* Returns 1 if the uuid is the NULL uuid */
int e2p_is_null_uuid(void *uu)
{
__u8 *cp;
int i;
for (i=0, cp = uu; i < 16; i++)
if (*cp++)
return 0;
return 1;
}
static void e2p_unpack_uuid(void *in, struct uuid *uu)
{
__u8 *ptr = in;
__u32 tmp;
tmp = *ptr++;
tmp = (tmp << 8) | *ptr++;
tmp = (tmp << 8) | *ptr++;
tmp = (tmp << 8) | *ptr++;
uu->time_low = tmp;
tmp = *ptr++;
tmp = (tmp << 8) | *ptr++;
uu->time_mid = tmp;
tmp = *ptr++;
tmp = (tmp << 8) | *ptr++;
uu->time_hi_and_version = tmp;
tmp = *ptr++;
tmp = (tmp << 8) | *ptr++;
uu->clock_seq = tmp;
memcpy(uu->node, ptr, 6);
}
void e2p_uuid_to_str(void *uu, char *out)
{
struct uuid uuid;
e2p_unpack_uuid(uu, &uuid);
sprintf(out,
"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
uuid.time_low, uuid.time_mid, uuid.time_hi_and_version,
uuid.clock_seq >> 8, uuid.clock_seq & 0xFF,
uuid.node[0], uuid.node[1], uuid.node[2],
uuid.node[3], uuid.node[4], uuid.node[5]);
}
const char *e2p_uuid2str(void *uu)
{
static char buf[80];
if (e2p_is_null_uuid(uu))
return "<none>";
e2p_uuid_to_str(uu, buf);
return buf;
}