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/* libguestfs - the guestfsd daemon
* Copyright (C) 2009-2017 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <string.h>
#include <unistd.h>
#include <sys/wait.h>
#include "guestfs_protocol.h"
#include "daemon.h"
#include "c-ctype.h"
#include "actions.h"
#include "xstrtol.h"
#define MAX_ARGS 128
/* https://bugzilla.redhat.com/show_bug.cgi?id=978302#c1 */
int
fstype_is_extfs (const char *fstype)
{
return STREQ (fstype, "ext2") || STREQ (fstype, "ext3")
|| STREQ (fstype, "ext4");
}
char **
do_tune2fs_l (const char *device)
{
int r;
CLEANUP_FREE char *out = NULL, *err = NULL;
char *p, *pend, *colon;
CLEANUP_FREE_STRINGSBUF DECLARE_STRINGSBUF (ret);
r = command (&out, &err, "tune2fs", "-l", device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return NULL;
}
p = out;
/* Discard the first line if it contains "tune2fs ...". */
if (STRPREFIX (p, "tune2fs ") || STRPREFIX (p, "tune4fs ")) {
p = strchr (p, '\n');
if (p) p++;
else {
reply_with_error ("truncated output");
return NULL;
}
}
/* Read the lines and split into "key: value". */
while (*p) {
pend = strchrnul (p, '\n');
if (*pend == '\n') {
*pend = '\0';
pend++;
}
if (!*p) continue;
colon = strchr (p, ':');
if (colon) {
*colon = '\0';
do { colon++; } while (*colon && c_isspace (*colon));
if (add_string (&ret, p) == -1) {
return NULL;
}
if (STREQ (colon, "<none>") ||
STREQ (colon, "<not available>") ||
STREQ (colon, "(none)")) {
if (add_string (&ret, "") == -1) {
return NULL;
}
} else {
if (add_string (&ret, colon) == -1) {
return NULL;
}
}
}
else {
if (add_string (&ret, p) == -1) {
return NULL;
}
if (add_string (&ret, "") == -1) {
return NULL;
}
}
p = pend;
}
if (end_stringsbuf (&ret) == -1)
return NULL;
return take_stringsbuf (&ret);
}
int
do_set_e2label (const char *device, const char *label)
{
int r;
CLEANUP_FREE char *err = NULL;
if (strlen (label) > EXT2_LABEL_MAX) {
reply_with_error ("%s: ext2/3/4 labels are limited to %d bytes",
label, EXT2_LABEL_MAX);
return -1;
}
r = command (NULL, &err, "e2label", device, label, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
char *
do_get_e2label (const char *device)
{
const mountable_t mountable = {
.type = MOUNTABLE_DEVICE,
.device = /* not really ... */ (char *) device,
.volume = NULL,
};
return do_vfs_label (&mountable);
}
int
do_set_e2uuid (const char *device, const char *uuid)
{
int r;
CLEANUP_FREE char *err = NULL;
r = command (NULL, &err, "tune2fs", "-U", uuid, device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
int
ext_set_uuid_random (const char *device)
{
return do_set_e2uuid (device, "random");
}
char *
do_get_e2uuid (const char *device)
{
const mountable_t mountable = {
.type = MOUNTABLE_DEVICE,
.device = /* not really ... */ (char *) device,
.volume = NULL,
};
return do_vfs_uuid (&mountable);
}
/* If the filesystem is not mounted, run e2fsck -f on it unconditionally. */
static int
if_not_mounted_run_e2fsck (const char *device)
{
int r = 0, mounted;
mounted = is_device_mounted (device);
if (mounted == -1)
return -1;
if (!mounted) {
optargs_bitmask = GUESTFS_E2FSCK_FORCEALL_BITMASK;
r = do_e2fsck (device, 0, 1);
}
return r;
}
int
do_resize2fs (const char *device)
{
CLEANUP_FREE char *err = NULL;
int r;
if (if_not_mounted_run_e2fsck (device) == -1)
return -1;
r = command (NULL, &err, "resize2fs", device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
int
do_resize2fs_size (const char *device, int64_t size)
{
CLEANUP_FREE char *err = NULL;
int r;
/* resize2fs itself may impose additional limits. Since we are
* going to use the 'K' suffix however we can only work with whole
* kilobytes.
*/
if (size & 1023) {
reply_with_error ("%" PRIi64 ": size must be a round number of kilobytes",
size);
return -1;
}
size /= 1024;
if (if_not_mounted_run_e2fsck (device) == -1)
return -1;
char buf[32];
snprintf (buf, sizeof buf, "%" PRIi64 "K", size);
r = command (NULL, &err, "resize2fs", device, buf, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
int
do_resize2fs_M (const char *device)
{
CLEANUP_FREE char *err = NULL;
int r;
if (if_not_mounted_run_e2fsck (device) == -1)
return -1;
r = command (NULL, &err, "resize2fs", "-M", device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
static long
get_block_size (const char *device)
{
CLEANUP_FREE_STRING_LIST char **params = NULL;
const char *block_pattern = "Block size";
size_t i;
long block_size;
params = do_tune2fs_l (device);
if (params == NULL)
return -1;
for (i = 0; params[i] != NULL; i += 2) {
if (STREQ (params[i], block_pattern)) {
if (xstrtol (params[i + 1], NULL, 10, &block_size, NULL) != LONGINT_OK) {
reply_with_error ("cannot parse block size");
return -1;
}
return block_size;
}
}
reply_with_error ("missing 'Block size' in tune2fs_l output");
return -1;
}
int64_t
ext_minimum_size (const char *device)
{
CLEANUP_FREE char *err = NULL, *out = NULL;
CLEANUP_FREE_STRING_LIST char **lines = NULL;
int r;
size_t i;
int64_t ret;
long block_size;
const char *pattern = "Estimated minimum size of the filesystem: ";
r = command (&out, &err, "resize2fs", "-P", "-f", device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
lines = split_lines (out);
if (lines == NULL)
return -1;
#if __WORDSIZE == 64
#define XSTRTOD64 xstrtol
#else
#define XSTRTOD64 xstrtoll
#endif
for (i = 0; lines[i] != NULL; ++i) {
if (STRPREFIX (lines[i], pattern)) {
if (XSTRTOD64 (lines[i] + strlen (pattern),
NULL, 10, &ret, NULL) != LONGINT_OK) {
reply_with_error ("cannot parse minimum size");
return -1;
}
if ((block_size = get_block_size (device)) == -1)
return -1;
if (verbose) {
fprintf (stderr, "Minimum size in blocks: %" SCNd64 \
"\nBlock count: %ld\n", ret, block_size);
}
if (INT64_MAX / block_size < ret) {
reply_with_error ("filesystem size too big: overflow");
return -1;
}
return ret * block_size;
}
}
#undef XSTRTOD64
reply_with_error ("minimum size not found. Check output format:\n%s", out);
return -1;
}
/* Takes optional arguments, consult optargs_bitmask. */
int
do_e2fsck (const char *device,
int correct,
int forceall)
{
const char *argv[MAX_ARGS];
CLEANUP_FREE char *err = NULL;
size_t i = 0;
int r;
/* Default if not selected. */
if (!(optargs_bitmask & GUESTFS_E2FSCK_CORRECT_BITMASK))
correct = 0;
if (!(optargs_bitmask & GUESTFS_E2FSCK_FORCEALL_BITMASK))
forceall = 0;
if (correct && forceall) {
reply_with_error ("only one of the options 'correct', 'forceall' may be specified");
return -1;
}
ADD_ARG (argv, i, "e2fsck");
ADD_ARG (argv, i, "-f");
if (correct)
ADD_ARG (argv, i, "-p");
if (forceall)
ADD_ARG (argv, i, "-y");
ADD_ARG (argv, i, device);
ADD_ARG (argv, i, NULL);
r = commandrvf (NULL, &err,
COMMAND_FLAG_FOLD_STDOUT_ON_STDERR,
argv);
/* 0 = no errors, 1 = errors corrected.
*
* >= 4 means uncorrected or other errors.
*
* 2, 3 means errors were corrected and we require a reboot. This is
* a difficult corner case.
*/
if (r == -1 || r >= 2) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
int
do_e2fsck_f (const char *device)
{
optargs_bitmask = GUESTFS_E2FSCK_CORRECT_BITMASK;
return do_e2fsck (device, 1, 0);
}
int
do_mke2journal (int blocksize, const char *device)
{
CLEANUP_FREE char *err = NULL;
int r;
char blocksize_s[32];
snprintf (blocksize_s, sizeof blocksize_s, "%d", blocksize);
wipe_device_before_mkfs (device);
r = command (NULL, &err,
"mke2fs", "-F", "-O", "journal_dev", "-b", blocksize_s,
device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
int
do_mke2journal_L (int blocksize, const char *label, const char *device)
{
CLEANUP_FREE char *err = NULL;
int r;
if (strlen (label) > EXT2_LABEL_MAX) {
reply_with_error ("%s: ext2/3/4 labels are limited to %d bytes",
label, EXT2_LABEL_MAX);
return -1;
}
char blocksize_s[32];
snprintf (blocksize_s, sizeof blocksize_s, "%d", blocksize);
wipe_device_before_mkfs (device);
r = command (NULL, &err,
"mke2fs", "-F", "-O", "journal_dev", "-b", blocksize_s,
"-L", label,
device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
int
do_mke2journal_U (int blocksize, const char *uuid, const char *device)
{
CLEANUP_FREE char *err = NULL;
int r;
char blocksize_s[32];
snprintf (blocksize_s, sizeof blocksize_s, "%d", blocksize);
wipe_device_before_mkfs (device);
r = command (NULL, &err,
"mke2fs", "-F", "-O", "journal_dev", "-b", blocksize_s,
"-U", uuid,
device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
int
do_mke2fs_J (const char *fstype, int blocksize, const char *device,
const char *journal)
{
CLEANUP_FREE char *err = NULL;
char blocksize_s[32];
CLEANUP_FREE char *jdev = NULL;
int r;
if (!fstype_is_extfs (fstype)) {
reply_with_error ("%s: not a valid extended filesystem type", fstype);
return -1;
}
snprintf (blocksize_s, sizeof blocksize_s, "%d", blocksize);
if (asprintf (&jdev, "device=%s", journal) == -1) {
reply_with_perror ("asprintf");
return -1;
}
wipe_device_before_mkfs (device);
r = command (NULL, &err,
"mke2fs", "-F", "-t", fstype, "-J", jdev, "-b", blocksize_s,
device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
int
do_mke2fs_JL (const char *fstype, int blocksize, const char *device,
const char *label)
{
CLEANUP_FREE char *err = NULL;
char blocksize_s[32];
CLEANUP_FREE char *jdev = NULL;
int r;
if (!fstype_is_extfs (fstype)) {
reply_with_error ("%s: not a valid extended filesystem type", fstype);
return -1;
}
if (strlen (label) > EXT2_LABEL_MAX) {
reply_with_error ("%s: ext2/3/4 labels are limited to %d bytes",
label, EXT2_LABEL_MAX);
return -1;
}
snprintf (blocksize_s, sizeof blocksize_s, "%d", blocksize);
if (asprintf (&jdev, "device=LABEL=%s", label) == -1) {
reply_with_perror ("asprintf");
return -1;
}
wipe_device_before_mkfs (device);
r = command (NULL, &err,
"mke2fs", "-F", "-t", fstype, "-J", jdev, "-b", blocksize_s,
device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
int
do_mke2fs_JU (const char *fstype, int blocksize, const char *device,
const char *uuid)
{
CLEANUP_FREE char *err = NULL;
char blocksize_s[32];
CLEANUP_FREE char *jdev = NULL;
int r;
if (!fstype_is_extfs (fstype)) {
reply_with_error ("%s: not a valid extended filesystem type", fstype);
return -1;
}
snprintf (blocksize_s, sizeof blocksize_s, "%d", blocksize);
if (asprintf (&jdev, "device=UUID=%s", uuid) == -1) {
reply_with_perror ("asprintf");
return -1;
}
wipe_device_before_mkfs (device);
r = command (NULL, &err,
"mke2fs", "-F", "-t", fstype, "-J", jdev, "-b", blocksize_s,
device, NULL);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
/* Takes optional arguments, consult optargs_bitmask. */
int
do_tune2fs (const char *device, /* only required parameter */
int force,
int maxmountcount,
int mountcount,
const char *errorbehavior,
int64_t group,
int intervalbetweenchecks,
int reservedblockspercentage,
const char *lastmounteddirectory,
int64_t reservedblockscount,
int64_t user)
{
const char *argv[MAX_ARGS];
size_t i = 0;
int r;
CLEANUP_FREE char *err = NULL;
char maxmountcount_s[64];
char mountcount_s[64];
char group_s[64];
char intervalbetweenchecks_s[64];
char reservedblockspercentage_s[64];
char reservedblockscount_s[64];
char user_s[64];
ADD_ARG (argv, i, "tune2fs");
if (optargs_bitmask & GUESTFS_TUNE2FS_FORCE_BITMASK) {
if (force)
ADD_ARG (argv, i, "-f");
}
if (optargs_bitmask & GUESTFS_TUNE2FS_MAXMOUNTCOUNT_BITMASK) {
if (maxmountcount < 0) {
reply_with_error ("maxmountcount cannot be negative");
return -1;
}
ADD_ARG (argv, i, "-c");
snprintf (maxmountcount_s, sizeof maxmountcount_s, "%d", maxmountcount);
ADD_ARG (argv, i, maxmountcount_s);
}
if (optargs_bitmask & GUESTFS_TUNE2FS_MOUNTCOUNT_BITMASK) {
if (mountcount < 0) {
reply_with_error ("mountcount cannot be negative");
return -1;
}
ADD_ARG (argv, i, "-C");
snprintf (mountcount_s, sizeof mountcount_s, "%d", mountcount);
ADD_ARG (argv, i, mountcount_s);
}
if (optargs_bitmask & GUESTFS_TUNE2FS_ERRORBEHAVIOR_BITMASK) {
if (STRNEQ (errorbehavior, "continue") &&
STRNEQ (errorbehavior, "remount-ro") &&
STRNEQ (errorbehavior, "panic")) {
reply_with_error ("invalid errorbehavior parameter: %s", errorbehavior);
return -1;
}
ADD_ARG (argv, i, "-e");
ADD_ARG (argv, i, errorbehavior);
}
if (optargs_bitmask & GUESTFS_TUNE2FS_GROUP_BITMASK) {
if (group < 0) {
reply_with_error ("group cannot be negative");
return -1;
}
ADD_ARG (argv, i, "-g");
snprintf (group_s, sizeof group_s, "%" PRIi64, group);
ADD_ARG (argv, i, group_s);
}
if (optargs_bitmask & GUESTFS_TUNE2FS_INTERVALBETWEENCHECKS_BITMASK) {
if (intervalbetweenchecks < 0) {
reply_with_error ("intervalbetweenchecks cannot be negative");
return -1;
}
ADD_ARG (argv, i, "-i");
if (intervalbetweenchecks > 0) {
/* -i <NN>s is not documented in the man page, but has been
* supported in tune2fs for several years.
*/
snprintf (intervalbetweenchecks_s, sizeof intervalbetweenchecks_s,
"%ds", intervalbetweenchecks);
ADD_ARG (argv, i, intervalbetweenchecks_s);
}
else
ADD_ARG (argv, i, "0");
}
if (optargs_bitmask & GUESTFS_TUNE2FS_RESERVEDBLOCKSPERCENTAGE_BITMASK) {
if (reservedblockspercentage < 0) {
reply_with_error ("reservedblockspercentage cannot be negative");
return -1;
}
ADD_ARG (argv, i, "-m");
snprintf (reservedblockspercentage_s, sizeof reservedblockspercentage_s,
"%d", reservedblockspercentage);
ADD_ARG (argv, i, reservedblockspercentage_s);
}
if (optargs_bitmask & GUESTFS_TUNE2FS_LASTMOUNTEDDIRECTORY_BITMASK) {
ADD_ARG (argv, i, "-M");
ADD_ARG (argv, i, lastmounteddirectory);
}
if (optargs_bitmask & GUESTFS_TUNE2FS_RESERVEDBLOCKSCOUNT_BITMASK) {
if (reservedblockscount < 0) {
reply_with_error ("reservedblockscount cannot be negative");
return -1;
}
ADD_ARG (argv, i, "-r");
snprintf (reservedblockscount_s, sizeof reservedblockscount_s,
"%" PRIi64, reservedblockscount);
ADD_ARG (argv, i, reservedblockscount_s);
}
if (optargs_bitmask & GUESTFS_TUNE2FS_USER_BITMASK) {
if (user < 0) {
reply_with_error ("user cannot be negative");
return -1;
}
ADD_ARG (argv, i, "-u");
snprintf (user_s, sizeof user_s, "%" PRIi64, user);
ADD_ARG (argv, i, user_s);
}
ADD_ARG (argv, i, device);
ADD_ARG (argv, i, NULL);
r = commandv (NULL, &err, argv);
if (r == -1) {
reply_with_error ("%s: %s", device, err);
return -1;
}
return 0;
}
static int
compare_chars (const void *vc1, const void *vc2)
{
char c1 = * (char *) vc1;
char c2 = * (char *) vc2;
return c1 - c2;
}
char *
do_get_e2attrs (const char *filename)
{
int r;
CLEANUP_FREE char *buf = NULL;
char *out;
CLEANUP_FREE char *err = NULL;
size_t i, j;
buf = sysroot_path (filename);
if (!buf) {
reply_with_perror ("malloc");
return NULL;
}
r = command (&out, &err, "lsattr", "-d", "--", buf, NULL);
if (r == -1) {
reply_with_error ("%s: %s: %s", "lsattr", filename, err);
free (out);
return NULL;
}
/* Output looks like:
* -------------e- filename
* Remove the dashes and return everything up to the space.
*/
for (i = j = 0; out[j] != ' '; j++) {
if (out[j] != '-')
out[i++] = out[j];
}
out[i] = '\0';
/* Sort the output, mainly to make testing simpler. */
qsort (out, i, sizeof (char), compare_chars);
return out;
}
/* Takes optional arguments, consult optargs_bitmask. */
int
do_set_e2attrs (const char *filename, const char *attrs, int clear)
{
int r;
CLEANUP_FREE char *buf = NULL;
CLEANUP_FREE char *err = NULL;
size_t i, j;
int lowers[26], uppers[26];
char attr_arg[26*2+1+1]; /* '+'/'-' + attrs + trailing '\0' */
if (!(optargs_bitmask & GUESTFS_SET_E2ATTRS_CLEAR_BITMASK))
attr_arg[0] = '+';
else if (!clear)
attr_arg[0] = '+';
else
attr_arg[0] = '-';
j = 1;
/* You can't write "chattr - file", so we have to just return if
* the string is empty.
*/
if (STREQ (attrs, ""))
return 0;
/* Valid attrs are all lower or upper case ASCII letters. Check
* this and that there are no duplicates.
*/
memset (lowers, 0, sizeof lowers);
memset (uppers, 0, sizeof uppers);
for (; *attrs; attrs++) {
/* These are reserved by the chattr program for command line flags. */
if (*attrs == 'R' || *attrs == 'V' || *attrs == 'f' || *attrs == 'v') {
reply_with_error ("bad file attribute '%c'", *attrs);
return -1;
}
else if (*attrs >= 'a' && *attrs <= 'z') {
i = *attrs - 'a';
if (lowers[i] > 0)
goto error_duplicate;
lowers[i]++;
attr_arg[j++] = *attrs;
}
else if (*attrs >= 'A' && *attrs <= 'Z') {
i = *attrs - 'A';
if (uppers[i] > 0) {
error_duplicate:
reply_with_error ("duplicate file attribute '%c'", *attrs);
return -1;
}
uppers[i]++;
attr_arg[j++] = *attrs;
}
else {
reply_with_error ("unknown file attribute '%c'", *attrs);
return -1;
}
}
attr_arg[j] = '\0';
buf = sysroot_path (filename);
if (!buf) {
reply_with_perror ("malloc");
return -1;
}
r = command (NULL, &err, "chattr", attr_arg, "--", buf, NULL);
if (r == -1) {
reply_with_error ("%s: %s: %s", "chattr", filename, err);
return -1;
}
return 0;
}
int64_t
do_get_e2generation (const char *filename)
{
int r;
CLEANUP_FREE char *buf = NULL, *out = NULL, *err = NULL;
int64_t ret;
buf = sysroot_path (filename);
if (!buf) {
reply_with_perror ("malloc");
return -1;
}
r = command (&out, &err, "lsattr", "-dv", "--", buf, NULL);
if (r == -1) {
reply_with_error ("%s: %s: %s", "lsattr", filename, err);
return -1;
}
if (sscanf (out, "%" SCNi64, &ret) != 1) {
reply_with_error ("cannot parse output from '%s' command: %s",
"lsattr", out);
return -1;
}
if (ret < 0) {
reply_with_error ("unexpected negative number from '%s' command: %s",
"lsattr", out);
return -1;
}
return ret;
}
int
do_set_e2generation (const char *filename, int64_t generation)
{
int r;
CLEANUP_FREE char *buf = NULL, *err = NULL;
char generation_str[64];
buf = sysroot_path (filename);
if (!buf) {
reply_with_perror ("malloc");
return -1;
}
snprintf (generation_str, sizeof generation_str,
"%" PRIu64, (uint64_t) generation);
r = command (NULL, &err, "chattr", "-v", generation_str, "--", buf, NULL);
if (r == -1) {
reply_with_error ("%s: %s: %s", "chattr", filename, err);
return -1;
}
return 0;
}
int
do_mke2fs (const char *device, /* 0 */
int64_t blockscount,
int64_t blocksize,
int64_t fragsize,
int64_t blockspergroup,
int64_t numberofgroups, /* 5 */
int64_t bytesperinode,
int64_t inodesize,
int64_t journalsize,
int64_t numberofinodes,
int64_t stridesize, /* 10 */
int64_t stripewidth,
int64_t maxonlineresize,
int reservedblockspercentage,
int mmpupdateinterval,
const char *journaldevice, /* 15 */
const char *label,
const char *lastmounteddir,
const char *creatoros,
const char *fstype,
const char *usagetype, /* 20 */
const char *uuid,
int forcecreate,
int writesbandgrouponly,
int lazyitableinit,
int lazyjournalinit, /* 25 */
int testfs,
int discard,
int quotatype,
int extent,
int filetype, /* 30 */
int flexbg,
int hasjournal,
int journaldev,
int largefile,
int quota, /* 35 */
int resizeinode,
int sparsesuper,
int uninitbg)
{
int r;
CLEANUP_FREE char *err = NULL;
const char *argv[MAX_ARGS];
char blockscount_s[64];
char blocksize_s[64];
char fragsize_s[64];
char blockspergroup_s[64];
char numberofgroups_s[64];
char bytesperinode_s[64];
char inodesize_s[64];
char journalsize_s[64];
CLEANUP_FREE char *journaldevice_translated = NULL;
CLEANUP_FREE char *journaldevice_s = NULL;
char reservedblockspercentage_s[64];
char numberofinodes_s[64];
char mmpupdateinterval_s[84];
char stridesize_s[74];
char stripewidth_s[84];
char maxonlineresize_s[74];
size_t i = 0;
ADD_ARG (argv, i, "mke2fs");
if (optargs_bitmask & GUESTFS_MKE2FS_BLOCKSIZE_BITMASK) {
if (blocksize < 0) {
reply_with_error ("blocksize must be >= 0");
return -1;
}
snprintf (blocksize_s, sizeof blocksize_s, "%" PRIi64, blocksize);
ADD_ARG (argv, i, "-b");
ADD_ARG (argv, i, blocksize_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_FRAGSIZE_BITMASK) {
if (fragsize < 0) {
reply_with_error ("fragsize must be >= 0");
return -1;
}
snprintf (fragsize_s, sizeof fragsize_s, "%" PRIi64, fragsize);
ADD_ARG (argv, i, "-f");
ADD_ARG (argv, i, fragsize_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_FORCECREATE_BITMASK) {
if (forcecreate)
ADD_ARG (argv, i, "-F");
}
if (optargs_bitmask & GUESTFS_MKE2FS_BLOCKSPERGROUP_BITMASK) {
if (blockspergroup < 0) {
reply_with_error ("blockspergroup must be >= 0");
return -1;
}
snprintf (blockspergroup_s, sizeof blockspergroup_s,
"%" PRIi64, blockspergroup);
ADD_ARG (argv, i, "-g");
ADD_ARG (argv, i, blockspergroup_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_NUMBEROFGROUPS_BITMASK) {
if (numberofgroups < 0) {
reply_with_error ("numberofgroups must be >= 0");
return -1;
}
snprintf (numberofgroups_s, sizeof numberofgroups_s,
"%" PRIi64, numberofgroups);
ADD_ARG (argv, i, "-G");
ADD_ARG (argv, i, numberofgroups_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_BYTESPERINODE_BITMASK) {
if (bytesperinode < 0) {
reply_with_error ("bytesperinode must be >= 0");
return -1;
}
snprintf (bytesperinode_s, sizeof bytesperinode_s, "%" PRIi64, bytesperinode);
ADD_ARG (argv, i, "-i");
ADD_ARG (argv, i, bytesperinode_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_INODESIZE_BITMASK) {
if (inodesize < 0) {
reply_with_error ("inodesize must be >= 0");
return -1;
}
snprintf (inodesize_s, sizeof inodesize_s, "%" PRIi64, inodesize);
ADD_ARG (argv, i, "-I");
ADD_ARG (argv, i, inodesize_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_JOURNALSIZE_BITMASK) {
if (journalsize < 0) {
reply_with_error ("journalsize must be >= 0");
return -1;
}
snprintf (journalsize_s, sizeof journalsize_s,
"size=" "%" PRIi64, journalsize);
ADD_ARG (argv, i, "-J");
ADD_ARG (argv, i, journalsize_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_JOURNALDEVICE_BITMASK) {
if (journaldevice) {
/* OString doesn't do device name translation (RHBZ#876579). We
* have to do it manually here, but note that LABEL=.. and
* UUID=.. are valid strings which do not require translation.
*/
if (is_device_parameter (journaldevice)) {
if (is_root_device (journaldevice)) {
reply_with_error ("%s: device not found", journaldevice);
return -1;
}
journaldevice_translated = device_name_translation (journaldevice);
if (journaldevice_translated == NULL) {
reply_with_perror ("%s", journaldevice);
return -1;
}
journaldevice_s = malloc (strlen (journaldevice_translated) + 8);
if (!journaldevice_s) {
reply_with_perror ("malloc");
return -1;
}
sprintf (journaldevice_s, "device=%s", journaldevice_translated);
}
else /* XXX check only UUID= or LABEL= should be used here */ {
journaldevice_s = malloc (strlen (journaldevice) + 8);
if (!journaldevice_s) {
reply_with_perror ("malloc");
return -1;
}
sprintf (journaldevice_s, "device=%s", journaldevice);
}
ADD_ARG (argv, i, "-J");
ADD_ARG (argv, i, journaldevice_s);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_LABEL_BITMASK) {
if (label) {
ADD_ARG (argv, i, "-L");
ADD_ARG (argv, i, label);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_RESERVEDBLOCKSPERCENTAGE_BITMASK) {
if (reservedblockspercentage < 0) {
reply_with_error ("reservedblockspercentage must be >= 0");
return -1;
}
snprintf (reservedblockspercentage_s, sizeof reservedblockspercentage_s,
"%" PRIi32, reservedblockspercentage);
ADD_ARG (argv, i, "-m");
ADD_ARG (argv, i, reservedblockspercentage_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_LASTMOUNTEDDIR_BITMASK) {
if (lastmounteddir) {
ADD_ARG (argv, i, "-M");
ADD_ARG (argv, i, lastmounteddir);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_NUMBEROFINODES_BITMASK) {
if (numberofinodes < 0) {
reply_with_error ("numberofinodes must be >= 0");
return -1;
}
snprintf (numberofinodes_s, sizeof numberofinodes_s,
"%" PRIi64, numberofinodes);
ADD_ARG (argv, i, "-N");
ADD_ARG (argv, i, numberofinodes_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_CREATOROS_BITMASK) {
if (creatoros) {
ADD_ARG (argv, i, "-o");
ADD_ARG (argv, i, creatoros);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_WRITESBANDGROUPONLY_BITMASK) {
if (writesbandgrouponly)
ADD_ARG (argv, i, "-S");
}
if (optargs_bitmask & GUESTFS_MKE2FS_FSTYPE_BITMASK) {
if (fstype) {
if (!fstype_is_extfs (fstype)) {
reply_with_error ("%s: not a valid extended filesystem type", fstype);
return -1;
}
ADD_ARG (argv, i, "-t");
ADD_ARG (argv, i, fstype);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_USAGETYPE_BITMASK) {
if (usagetype) {
ADD_ARG (argv, i, "-T");
ADD_ARG (argv, i, usagetype);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_UUID_BITMASK) {
if (uuid) {
ADD_ARG (argv, i, "-U");
ADD_ARG (argv, i, uuid);
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_MMPUPDATEINTERVAL_BITMASK) {
if (mmpupdateinterval < 0) {
reply_with_error ("mmpupdateinterval must be >= 0");
return -1;
}
snprintf (mmpupdateinterval_s, sizeof mmpupdateinterval_s,
"mmp_update_interval=" "%" PRIi32, mmpupdateinterval);
ADD_ARG (argv, i, "-E");
ADD_ARG (argv, i, mmpupdateinterval_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_STRIDESIZE_BITMASK) {
if (stridesize < 0) {
reply_with_error ("stridesize must be >= 0");
return -1;
}
snprintf (stridesize_s, sizeof stridesize_s,
"stride=" "%" PRIi64, stridesize);
ADD_ARG (argv, i, "-E");
ADD_ARG (argv, i, stridesize_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_STRIPEWIDTH_BITMASK) {
if (stripewidth< 0) {
reply_with_error ("stripewidth must be >= 0");
return -1;
}
snprintf (stripewidth_s, sizeof stripewidth_s,
"stripe_width=" "%" PRIi64, stripewidth);
ADD_ARG (argv, i, "-E");
ADD_ARG (argv, i, stripewidth_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_MAXONLINERESIZE_BITMASK) {
if (maxonlineresize < 0) {
reply_with_error ("maxonlineresize must be >= 0");
return -1;
}
snprintf (maxonlineresize_s, sizeof maxonlineresize_s,
"resize=" "%" PRIi64, maxonlineresize);
ADD_ARG (argv, i, "-E");
ADD_ARG (argv, i, maxonlineresize_s);
}
if (optargs_bitmask & GUESTFS_MKE2FS_LAZYITABLEINIT_BITMASK) {
ADD_ARG (argv, i, "-E");
if (lazyitableinit)
ADD_ARG (argv, i, "lazy_itable_init=1");
else
ADD_ARG (argv, i, "lazy_itable_init=0");
}
if (optargs_bitmask & GUESTFS_MKE2FS_LAZYJOURNALINIT_BITMASK) {
ADD_ARG (argv, i, "-E");
if (lazyjournalinit)
ADD_ARG (argv, i, "lazy_journal_init=1");
else
ADD_ARG (argv, i, "lazy_journal_init=0");
}
if (optargs_bitmask & GUESTFS_MKE2FS_TESTFS_BITMASK) {
if (testfs) {
ADD_ARG (argv, i, "-E");
ADD_ARG (argv, i, "test_fs");
}
}
if (optargs_bitmask & GUESTFS_MKE2FS_DISCARD_BITMASK) {
ADD_ARG (argv, i, "-E");
if (discard)
ADD_ARG (argv, i, "discard");
else
ADD_ARG (argv, i, "nodiscard");
}
if (optargs_bitmask & GUESTFS_MKE2FS_EXTENT_BITMASK) {
ADD_ARG (argv, i, "-O");
if (extent)
ADD_ARG (argv, i, "extent");
else
ADD_ARG (argv, i, "^extent");
}
if (optargs_bitmask & GUESTFS_MKE2FS_FILETYPE_BITMASK) {
ADD_ARG (argv, i, "-O");
if (filetype)
ADD_ARG (argv, i, "filetype");
else
ADD_ARG (argv, i, "^filetype");
}
if (optargs_bitmask & GUESTFS_MKE2FS_FLEXBG_BITMASK) {
ADD_ARG (argv, i, "-O");
if (flexbg)
ADD_ARG (argv, i, "flexbg");
else
ADD_ARG (argv, i, "^flexbg");
}
if (optargs_bitmask & GUESTFS_MKE2FS_HASJOURNAL_BITMASK) {
ADD_ARG (argv, i, "-O");
if (hasjournal)
ADD_ARG (argv, i, "has_journal");
else
ADD_ARG (argv, i, "^has_journal");
}
if (optargs_bitmask & GUESTFS_MKE2FS_JOURNALDEV_BITMASK) {
ADD_ARG (argv, i, "-O");
if (journaldev)
ADD_ARG (argv, i, "journal_dev");
else
ADD_ARG (argv, i, "^journal_dev");
}
if (optargs_bitmask & GUESTFS_MKE2FS_LARGEFILE_BITMASK) {
ADD_ARG (argv, i, "-O");
if (largefile)
ADD_ARG (argv, i, "large_file");
else
ADD_ARG (argv, i, "^large_file");
}
if (optargs_bitmask & GUESTFS_MKE2FS_QUOTA_BITMASK) {
ADD_ARG (argv, i, "-O");
if (quota)
ADD_ARG (argv, i, "quota");
else
ADD_ARG (argv, i, "^quota");
}
if (optargs_bitmask & GUESTFS_MKE2FS_RESIZEINODE_BITMASK) {
ADD_ARG (argv, i, "-O");
if (resizeinode)
ADD_ARG (argv, i, "resize_inode");
else
ADD_ARG (argv, i, "^resize_inode");
}
if (optargs_bitmask & GUESTFS_MKE2FS_SPARSESUPER_BITMASK) {
ADD_ARG (argv, i, "-O");
if (sparsesuper)
ADD_ARG (argv, i, "sparse_super");
else
ADD_ARG (argv, i, "^sparse_super");
}
if (optargs_bitmask & GUESTFS_MKE2FS_UNINITBG_BITMASK) {
ADD_ARG (argv, i, "-O");
if (uninitbg)
ADD_ARG (argv, i, "uninit_bg");
else
ADD_ARG (argv, i, "^uninit_bg");
}
ADD_ARG (argv, i, device);
if (optargs_bitmask & GUESTFS_MKE2FS_BLOCKSCOUNT_BITMASK) {
if (blockscount < 0) {
reply_with_error ("blockscount must be >= 0");
return -1;
}
snprintf (blockscount_s, sizeof blockscount_s, "%" PRIi64, blockscount);
ADD_ARG (argv, i, blockscount_s);
}
ADD_ARG (argv, i, NULL);
wipe_device_before_mkfs (device);
r = commandv (NULL, &err, argv);
if (r == -1) {
reply_with_error ("%s: %s", device, err);
return -1;
}
return 0;
}
int
do_mklost_and_found (const char *mountpoint)
{
CLEANUP_FREE char *cmd = NULL;
int r;
if (asprintf_nowarn (&cmd, "cd %R && mklost+found", mountpoint) == -1) {
reply_with_perror ("asprintf");
return -1;
}
r = system (cmd);
if (r == -1) {
reply_with_perror ("system");
return -1;
}
if (!WIFEXITED (r) || WEXITSTATUS (r) != 0) {
reply_with_error ("%s: command failed", cmd);
return -1;
}
return 0;
}