int
do_luks_kill_slot (const char *device, const char *key, int keyslot)
{
char *tempfile = write_key_to_temp (key);
if (!tempfile)
return -1;
const char *argv[MAX_ARGS];
char keyslot_s[16];
size_t i = 0;
ADD_ARG (argv, i, str_cryptsetup);
ADD_ARG (argv, i, "-q");
ADD_ARG (argv, i, "-d");
ADD_ARG (argv, i, tempfile);
ADD_ARG (argv, i, "luksKillSlot");
ADD_ARG (argv, i, device);
snprintf (keyslot_s, sizeof keyslot_s, "%d", keyslot);
ADD_ARG (argv, i, keyslot_s);
ADD_ARG (argv, i, NULL);
char *err;
int r = commandv (NULL, &err, (const char * const *) argv);
remove_temp (tempfile);
if (r == -1) {
reply_with_error ("%s", err);
free (err);
return -1;
}
free (err);
return 0;
}
int
do_vg_activate (int activate, char *const *volgroups)
{
int r, i, argc;
CLEANUP_FREE char *err = NULL;
CLEANUP_FREE const char **argv = NULL;
argc = count_strings (volgroups) + 4;
argv = malloc (sizeof (char *) * (argc+1));
if (argv == NULL) {
reply_with_perror ("malloc");
return -1;
}
argv[0] = str_lvm;
argv[1] = "vgchange";
argv[2] = "-a";
argv[3] = activate ? "y" : "n";
for (i = 4; i < argc+1; ++i)
argv[i] = volgroups[i-4];
r = commandv (NULL, &err, (const char * const*) argv);
if (r == -1) {
reply_with_error ("vgchange: %s", err);
return -1;
}
udev_settle ();
return 0;
}
/* Internal function used to wipe disks before we do 'mkfs'-type
* operations on them. For the rationale see RHBZ#889888 and
* RHBZ#907554.
*
* Note this is really destructive, so only call it just before doing
* the 'mkfs' operation (ie. after doing as much pre-checking as
* possible). Otherwise you could end up with a 'mkfs' operation
* failing with an error but still wiping data.
*/
void
wipe_device_before_mkfs (const char *device)
{
int force;
const size_t MAX_ARGS = 16;
const char *argv[MAX_ARGS];
size_t i = 0;
force = wipefs_has_force_option ();
if (force == -1)
return;
ADD_ARG (argv, i, str_wipefs);
ADD_ARG (argv, i, "-a");
if (force)
ADD_ARG (argv, i, "--force");
ADD_ARG (argv, i, device);
ADD_ARG (argv, i, NULL);
ignore_value (commandv (NULL, NULL, argv));
/* XXX We could fall back to overwriting bits of disk here, but if
* they don't have working wipefs, it seems unlikely they are using
* btrfs which is what mostly causes this problem. See:
* http://www.spinics.net/lists/linux-btrfs/msg21197.html
*/
}
int
do_vgcreate (const char *volgroup, char *const *physvols)
{
int r, argc, i;
CLEANUP_FREE char *err = NULL;
CLEANUP_FREE const char **argv = NULL;
argc = count_strings (physvols) + 3;
argv = malloc (sizeof (char *) * (argc + 1));
if (argv == NULL) {
reply_with_perror ("malloc");
return -1;
}
argv[0] = str_lvm;
argv[1] = "vgcreate";
argv[2] = volgroup;
for (i = 3; i < argc+1; ++i)
argv[i] = physvols[i-3];
r = commandv (NULL, &err, (const char * const*) argv);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
udev_settle ();
return 0;
}
int
do_wipefs (const char *device)
{
int force;
int r;
CLEANUP_FREE char *err = NULL;
const size_t MAX_ARGS = 16;
const char *argv[MAX_ARGS];
size_t i = 0;
force = wipefs_has_force_option ();
if (force == -1)
return -1;
ADD_ARG (argv, i, str_wipefs);
ADD_ARG (argv, i, "-a");
if (force)
ADD_ARG (argv, i, "--force");
ADD_ARG (argv, i, device);
ADD_ARG (argv, i, NULL);
r = commandv (NULL, &err, argv);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
/* List files in the appliance. */
static char *
debug_ll (const char *subcmd, size_t argc, char *const *const argv)
{
const size_t len = guestfs_int_count_strings (argv);
CLEANUP_FREE const char **cargv = NULL;
size_t i;
int r;
char *out;
CLEANUP_FREE char *err = NULL;
cargv = malloc (sizeof (char *) * (len+3));
if (cargv == NULL) {
reply_with_perror ("malloc");
return NULL;
}
cargv[0] = "ls";
cargv[1] = "-la";
for (i = 0; i < len; ++i)
cargv[2+i] = argv[i];
cargv[2+len] = NULL;
r = commandv (&out, &err, (void *) cargv);
if (r == -1) {
reply_with_error ("ll: %s", err);
free (out);
return NULL;
}
return out;
}
/* Takes optional arguments, consult optargs_bitmask. */
int
do_ntfsfix (const char *device, int clearbadsectors)
{
const char *argv[MAX_ARGS];
size_t i = 0;
int r;
CLEANUP_FREE char *err = NULL;
ADD_ARG (argv, i, str_ntfsfix);
if ((optargs_bitmask & GUESTFS_NTFSFIX_CLEARBADSECTORS_BITMASK) &&
clearbadsectors)
ADD_ARG (argv, i, "-b");
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
rsync (const char *src, const char *src_orig,
const char *dest, const char *dest_orig,
int archive, int deletedest)
{
const char *argv[MAX_ARGS];
size_t i = 0;
int r;
CLEANUP_FREE char *err = NULL;
ADD_ARG (argv, i, str_rsync);
if (archive)
ADD_ARG (argv, i, "--archive");
if (deletedest)
ADD_ARG (argv, i, "--delete");
ADD_ARG (argv, i, src);
ADD_ARG (argv, i, dest);
ADD_ARG (argv, i, NULL);
r = commandv (NULL, &err, argv);
if (r == -1) {
reply_with_error ("'%s' to '%s': %s", src_orig, dest_orig, err);
return -1;
}
return 0;
}
int
do_vgcreate (const char *volgroup, char *const *physvols)
{
char *err;
int r, argc, i;
const char **argv;
argc = count_strings (physvols) + 3;
argv = malloc (sizeof (char *) * (argc + 1));
if (argv == NULL) {
reply_with_perror ("malloc");
return -1;
}
argv[0] = "lvm";
argv[1] = "vgcreate";
argv[2] = volgroup;
for (i = 3; i <= argc; ++i)
argv[i] = physvols[i-3];
r = commandv (NULL, &err, (const char * const*) argv);
if (r == -1) {
reply_with_error ("%s", err);
free (err);
free (argv);
return -1;
}
free (err);
free (argv);
udev_settle ();
return 0;
}
/* List files in the appliance. */
static char *
debug_ll (const char *subcmd, size_t argc, char *const *const argv)
{
size_t len = count_strings (argv);
const char *cargv[len+3];
size_t i;
int r;
char *out;
CLEANUP_FREE char *err = NULL;
cargv[0] = str_ls;
cargv[1] = "-la";
for (i = 0; i < len; ++i)
cargv[2+i] = argv[i];
cargv[2+len] = NULL;
r = commandv (&out, &err, (void *) cargv);
if (r == -1) {
reply_with_error ("ll: %s", err);
free (out);
return NULL;
}
return out;
}
int
do_md_stop (const char *md)
{
int r;
CLEANUP_FREE char *err = NULL;
const char *mdadm[] = { str_mdadm, "--stop", md, NULL};
r = commandv (NULL, &err, mdadm);
if (r == -1) {
reply_with_error ("%s", err);
return -1;
}
return 0;
}
static int
luks_open (const char *device, const char *key, const char *mapname,
int readonly)
{
/* Sanity check: /dev/mapper/mapname must not exist already. Note
* that the device-mapper control device (/dev/mapper/control) is
* always there, so you can't ever have mapname == "control".
*/
size_t len = strlen (mapname);
char devmapper[len+32];
snprintf (devmapper, len+32, "/dev/mapper/%s", mapname);
if (access (devmapper, F_OK) == 0) {
reply_with_error ("%s: device already exists", devmapper);
return -1;
}
char *tempfile = write_key_to_temp (key);
if (!tempfile)
return -1;
const char *argv[MAX_ARGS];
size_t i = 0;
ADD_ARG (argv, i, str_cryptsetup);
ADD_ARG (argv, i, "-d");
ADD_ARG (argv, i, tempfile);
if (readonly) ADD_ARG (argv, i, "--readonly");
ADD_ARG (argv, i, "luksOpen");
ADD_ARG (argv, i, device);
ADD_ARG (argv, i, mapname);
ADD_ARG (argv, i, NULL);
char *err;
int r = commandv (NULL, &err, (const char * const *) argv);
remove_temp (tempfile);
if (r == -1) {
reply_with_error ("%s", err);
free (err);
return -1;
}
free (err);
udev_settle ();
return 0;
}
int
do_md_stop(const char *md)
{
int r;
char *err = NULL;
const char *mdadm[] = { "mdadm", "--stop", md, NULL};
r = commandv(NULL, &err, mdadm);
if (r == -1) {
reply_with_error("%s", err);
free(err);
return -1;
}
free (err);
return 0;
}
/* Takes optional arguments, consult optargs_bitmask. */
int
do_mkswap (const char *device, const char *label, const char *uuid)
{
const size_t MAX_ARGS = 64;
const char *argv[MAX_ARGS];
size_t i = 0;
int r;
CLEANUP_FREE char *err = NULL;
ADD_ARG (argv, i, "mkswap");
ADD_ARG (argv, i, "-f");
if (optargs_bitmask & GUESTFS_MKSWAP_LABEL_BITMASK) {
assert (label != NULL); /* suppress a warning with -O3 */
if (strlen (label) > SWAP_LABEL_MAX) {
reply_with_error ("%s: Linux swap labels are limited to %d bytes",
label, SWAP_LABEL_MAX);
return -1;
}
ADD_ARG (argv, i, "-L");
ADD_ARG (argv, i, label);
}
if (optargs_bitmask & GUESTFS_MKSWAP_UUID_BITMASK) {
ADD_ARG (argv, i, "-U");
ADD_ARG (argv, i, uuid);
}
ADD_ARG (argv, i, device);
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;
}
udev_settle ();
return 0;
}
static int
luks_format (const char *device, const char *key, int keyslot,
const char *cipher)
{
char *tempfile = write_key_to_temp (key);
if (!tempfile)
return -1;
const char *argv[MAX_ARGS];
char keyslot_s[16];
size_t i = 0;
ADD_ARG (argv, i, str_cryptsetup);
ADD_ARG (argv, i, "-q");
if (cipher) {
ADD_ARG (argv, i, "--cipher");
ADD_ARG (argv, i, cipher);
}
ADD_ARG (argv, i, "--key-slot");
snprintf (keyslot_s, sizeof keyslot_s, "%d", keyslot);
ADD_ARG (argv, i, keyslot_s);
ADD_ARG (argv, i, "luksFormat");
ADD_ARG (argv, i, device);
ADD_ARG (argv, i, tempfile);
ADD_ARG (argv, i, NULL);
char *err;
int r = commandv (NULL, &err, (const char * const *) argv);
remove_temp (tempfile);
if (r == -1) {
reply_with_error ("%s", err);
free (err);
return -1;
}
free (err);
udev_settle ();
return 0;
}
/* Takes optional arguments, consult optargs_bitmask. */
int
do_ntfsresize (const char *device, int64_t size, int force)
{
char *err;
int r;
const char *argv[MAX_ARGS];
size_t i = 0;
char size_str[32];
ADD_ARG (argv, i, str_ntfsresize);
ADD_ARG (argv, i, "-P");
if (optargs_bitmask & GUESTFS_NTFSRESIZE_SIZE_BITMASK) {
if (size <= 0) {
reply_with_error ("size is zero or negative");
return -1;
}
snprintf (size_str, sizeof size_str, "%" PRIi64, size);
ADD_ARG (argv, i, "--size");
ADD_ARG (argv, i, size_str);
}
if (optargs_bitmask & GUESTFS_NTFSRESIZE_FORCE_BITMASK && force)
ADD_ARG (argv, i, "--force");
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);
free (err);
return -1;
}
free (err);
return 0;
}
/* Takes optional arguments, consult optargs_bitmask. */
int
do_md_create (const char *name, char *const *devices,
int64_t missingbitmap, int nrdevices, int spare,
int64_t chunk, const char *level)
{
char nrdevices_s[32];
char spare_s[32];
char chunk_s[32];
size_t j;
int r;
char *err;
uint64_t umissingbitmap = (uint64_t) missingbitmap;
/* Check the optional parameters and set defaults where appropriate. */
if (!(optargs_bitmask & GUESTFS_MD_CREATE_MISSINGBITMAP_BITMASK))
umissingbitmap = 0;
if (optargs_bitmask & GUESTFS_MD_CREATE_SPARE_BITMASK) {
if (spare < 0) {
reply_with_error ("spare must not be negative");
return -1;
}
}
else
spare = 0;
if (optargs_bitmask & GUESTFS_MD_CREATE_NRDEVICES_BITMASK) {
if (nrdevices < 2) {
reply_with_error ("nrdevices is less than 2");
return -1;
}
}
else
nrdevices = count_strings (devices) + count_bits (umissingbitmap);
if (optargs_bitmask & GUESTFS_MD_CREATE_LEVEL_BITMASK) {
if (STRNEQ (level, "linear") && STRNEQ (level, "raid0") &&
STRNEQ (level, "0") && STRNEQ (level, "stripe") &&
STRNEQ (level, "raid1") && STRNEQ (level, "1") &&
STRNEQ (level, "mirror") &&
STRNEQ (level, "raid4") && STRNEQ (level, "4") &&
STRNEQ (level, "raid5") && STRNEQ (level, "5") &&
STRNEQ (level, "raid6") && STRNEQ (level, "6") &&
STRNEQ (level, "raid10") && STRNEQ (level, "10")) {
reply_with_error ("unknown level parameter: %s", level);
return -1;
}
}
else
level = "raid1";
if (optargs_bitmask & GUESTFS_MD_CREATE_CHUNK_BITMASK) {
/* chunk is bytes in the libguestfs API, but K when we pass it to mdadm */
if ((chunk & 1023) != 0) {
reply_with_error ("chunk size must be a multiple of 1024 bytes");
return -1;
}
}
/* Check invariant. */
if (count_strings (devices) + count_bits (umissingbitmap) !=
(size_t) (nrdevices + spare)) {
reply_with_error ("devices (%zu) + bits set in missingbitmap (%zu) is not equal to nrdevices (%d) + spare (%d)",
count_strings (devices), count_bits (umissingbitmap),
nrdevices, spare);
return -1;
}
size_t MAX_ARGS = nrdevices + 16;
const char *argv[MAX_ARGS];
size_t i = 0;
ADD_ARG (argv, i, "mdadm");
ADD_ARG (argv, i, "--create");
/* --run suppresses "Continue creating array" question */
ADD_ARG (argv, i, "--run");
ADD_ARG (argv, i, name);
ADD_ARG (argv, i, "--level");
ADD_ARG (argv, i, level);
ADD_ARG (argv, i, "--raid-devices");
snprintf (nrdevices_s, sizeof nrdevices_s, "%d", nrdevices);
ADD_ARG (argv, i, nrdevices_s);
if (optargs_bitmask & GUESTFS_MD_CREATE_SPARE_BITMASK) {
ADD_ARG (argv, i, "--spare-devices");
snprintf (spare_s, sizeof spare_s, "%d", spare);
ADD_ARG (argv, i, spare_s);
}
if (optargs_bitmask & GUESTFS_MD_CREATE_CHUNK_BITMASK) {
ADD_ARG (argv, i, "--chunk");
snprintf (chunk_s, sizeof chunk_s, "%" PRIi64, chunk / 1024);
ADD_ARG (argv, i, chunk_s);
}
/* Add devices and "missing". */
j = 0;
while (devices[j] != NULL || umissingbitmap != 0) {
if (umissingbitmap & 1)
ADD_ARG (argv, i, "missing");
else {
ADD_ARG (argv, i, devices[j]);
j++;
}
umissingbitmap >>= 1;
}
ADD_ARG (argv, i, NULL);
r = commandv (NULL, &err, argv);
if (r == -1) {
reply_with_error ("mdadm: %s: %s", name, err);
free (err);
return -1;
}
free (err);
udev_settle ();
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, str_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;
}
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, str_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 (STRPREFIX (journaldevice, "/dev/")) {
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 {
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;
}
/* Takes optional arguments, consult optargs_bitmask. */
int
do_mkfs_opts (const char *fstype, const char *device, int blocksize,
const char *features, int inode, int sectorsize)
{
const char *argv[MAX_ARGS];
size_t i = 0;
char blocksize_str[32];
char inode_str[32];
char sectorsize_str[32];
int r;
char *err;
char mke2fs[] = "mke2fs";
int extfs = 0;
if (STREQ (fstype, "ext2") || STREQ (fstype, "ext3") ||
STREQ (fstype, "ext4"))
extfs = 1;
/* For ext2/3/4 run the mke2fs program directly. This is because
* the mkfs program "eats" some options, in particular the -F
* option.
*/
if (extfs) {
if (e2prog (mke2fs) == -1)
return -1;
ADD_ARG (argv, i, mke2fs);
}
else
ADD_ARG (argv, i, "mkfs");
ADD_ARG (argv, i, "-t");
ADD_ARG (argv, i, fstype);
/* Force mke2fs to create a filesystem, even if it thinks it
* shouldn't (RHBZ#690819).
*/
if (extfs)
ADD_ARG (argv, i, "-F");
/* mkfs.ntfs requires the -Q argument otherwise it writes zeroes
* to every block and does bad block detection, neither of which
* are useful behaviour for virtual devices.
*/
if (STREQ (fstype, "ntfs"))
ADD_ARG (argv, i, "-Q");
/* mkfs.reiserfs produces annoying interactive prompts unless you
* tell it to be quiet.
* mkfs.jfs is the same
* mkfs.xfs must force to make xfs filesystem when the device already
* has a filesystem on it
*/
if (STREQ (fstype, "reiserfs") || STREQ (fstype, "jfs") ||
STREQ (fstype, "xfs"))
ADD_ARG(argv, i, "-f");
/* For GFS, GFS2, assume a single node. */
if (STREQ (fstype, "gfs") || STREQ (fstype, "gfs2")) {
ADD_ARG (argv, i, "-p");
ADD_ARG (argv, i, "lock_nolock");
/* The man page says this is default, but it doesn't seem to be: */
ADD_ARG (argv, i, "-j");
ADD_ARG (argv, i, "1");
/* Don't ask questions: */
ADD_ARG (argv, i, "-O");
}
/* Process blocksize parameter if set. */
if (optargs_bitmask & GUESTFS_MKFS_OPTS_BLOCKSIZE_BITMASK) {
if (blocksize <= 0 || !is_power_of_2 (blocksize)) {
reply_with_error ("block size must be > 0 and a power of 2");
return -1;
}
if (STREQ (fstype, "vfat") ||
STREQ (fstype, "msdos")) {
/* For VFAT map the blocksize into a cluster size. However we
* have to determine the block device sector size in order to do
* this.
*/
int sectorsize = do_blockdev_getss (device);
if (sectorsize == -1)
return -1;
int sectors_per_cluster = blocksize / sectorsize;
if (sectors_per_cluster < 1 || sectors_per_cluster > 128) {
reply_with_error ("unsupported cluster size for %s filesystem (requested cluster size = %d, sector size = %d, trying sectors per cluster = %d)",
fstype, blocksize, sectorsize, sectors_per_cluster);
return -1;
}
snprintf (blocksize_str, sizeof blocksize_str, "%d", sectors_per_cluster);
ADD_ARG (argv, i, "-s");
ADD_ARG (argv, i, blocksize_str);
}
else if (STREQ (fstype, "ntfs")) {
/* For NTFS map the blocksize into a cluster size. */
snprintf (blocksize_str, sizeof blocksize_str, "%d", blocksize);
ADD_ARG (argv, i, "-c");
ADD_ARG (argv, i, blocksize_str);
}
else {
/* For all other filesystem types, try the -b option. */
snprintf (blocksize_str, sizeof blocksize_str, "%d", blocksize);
ADD_ARG (argv, i, "-b");
ADD_ARG (argv, i, blocksize_str);
}
}
if (optargs_bitmask & GUESTFS_MKFS_OPTS_FEATURES_BITMASK) {
ADD_ARG (argv, i, "-O");
ADD_ARG (argv, i, features);
}
if (optargs_bitmask & GUESTFS_MKFS_OPTS_INODE_BITMASK) {
if (!extfs) {
reply_with_error ("inode size (-I) can only be set on ext2/3/4 filesystems");
return -1;
}
if (inode <= 0) {
reply_with_error ("inode size must be larger than zero");
return -1;
}
snprintf (inode_str, sizeof inode_str, "%d", inode);
ADD_ARG (argv, i, "-I");
ADD_ARG (argv, i, inode_str);
}
if (optargs_bitmask & GUESTFS_MKFS_OPTS_SECTORSIZE_BITMASK) {
if (!STREQ (fstype, "ufs")) {
reply_with_error ("sector size (-S) can only be set on ufs filesystems");
return -1;
}
if (sectorsize <= 0) {
reply_with_error ("sector size must be larger than zero");
return -1;
}
snprintf (sectorsize_str, sizeof sectorsize_str, "%d", sectorsize);
ADD_ARG (argv, i, "-S");
ADD_ARG (argv, i, sectorsize_str);
}
ADD_ARG (argv, i, device);
ADD_ARG (argv, i, NULL);
r = commandv (NULL, &err, argv);
if (r == -1) {
reply_with_error ("%s: %s: %s", fstype, device, err);
free (err);
return -1;
}
free (err);
return 0;
}
char *
do_command (char *const *argv)
{
char *out;
CLEANUP_FREE char *err = NULL;
int r;
CLEANUP_BIND_STATE struct bind_state bind_state = { .mounted = false };
CLEANUP_RESOLVER_STATE struct resolver_state resolver_state =
{ .mounted = false };
/* We need a root filesystem mounted to do this. */
NEED_ROOT (, return NULL);
/* Conveniently, argv is already a NULL-terminated argv-style array
* of parameters, so we can pass it straight in to our internal
* commandv. We just have to check the list is non-empty.
*/
if (argv[0] == NULL) {
reply_with_error ("passed an empty list");
return NULL;
}
if (bind_mount (&bind_state) == -1)
return NULL;
if (enable_network) {
if (set_up_etc_resolv_conf (&resolver_state) == -1)
return NULL;
}
CHROOT_IN;
r = commandv (&out, &err, (const char * const *) argv);
CHROOT_OUT;
free_bind_state (&bind_state);
free_resolver_state (&resolver_state);
if (r == -1) {
reply_with_error ("%s", err);
free (out);
return NULL;
}
return out; /* Caller frees. */
}
char **
do_command_lines (char *const *argv)
{
CLEANUP_FREE char *out = NULL;
char **lines;
out = do_command (argv);
if (out == NULL)
return NULL;
lines = split_lines (out);
if (lines == NULL)
return NULL;
return lines; /* Caller frees. */
}
char *
do_sh (const char *cmd)
{
const char *argv[] = { "/bin/sh", "-c", cmd, NULL };
return do_command ((char **) argv);
}
char **
do_sh_lines (const char *cmd)
{
const char *argv[] = { "/bin/sh", "-c", cmd, NULL };
return do_command_lines ((char **) argv);
}
int
do_xfs_admin (const char *device,
int extunwritten, int imgfile, int v2log,
int projid32bit,
int lazycounter, const char *label, const char *uuid)
{
int r;
CLEANUP_FREE char *err = NULL;
const char *argv[MAX_ARGS];
size_t i = 0;
ADD_ARG (argv, i, str_xfs_admin);
/* Optional arguments */
if (!(optargs_bitmask & GUESTFS_XFS_ADMIN_EXTUNWRITTEN_BITMASK))
extunwritten = 0;
if (!(optargs_bitmask & GUESTFS_XFS_ADMIN_IMGFILE_BITMASK))
imgfile = 0;
if (!(optargs_bitmask & GUESTFS_XFS_ADMIN_V2LOG_BITMASK))
v2log = 0;
if (!(optargs_bitmask & GUESTFS_XFS_ADMIN_PROJID32BIT_BITMASK))
projid32bit = 0;
if (extunwritten)
ADD_ARG (argv, i, "-e");
if (imgfile)
ADD_ARG (argv, i, "-f");
if (v2log)
ADD_ARG (argv, i, "-j");
if (projid32bit)
ADD_ARG (argv, i, "-p");
if (optargs_bitmask & GUESTFS_XFS_ADMIN_LAZYCOUNTER_BITMASK) {
if (lazycounter) {
ADD_ARG (argv, i, "-c");
ADD_ARG (argv, i, "1");
} else {
ADD_ARG (argv, i, "-c");
ADD_ARG (argv, i, "0");
}
}
if (optargs_bitmask & GUESTFS_XFS_ADMIN_LABEL_BITMASK) {
if (strlen (label) > XFS_LABEL_MAX) {
reply_with_error ("%s: xfs labels are limited to %d bytes",
label, XFS_LABEL_MAX);
return -1;
}
ADD_ARG (argv, i, "-L");
ADD_ARG (argv, i, label);
}
if (optargs_bitmask & GUESTFS_XFS_ADMIN_UUID_BITMASK) {
ADD_ARG (argv, i, "-U");
ADD_ARG (argv, i, uuid);
}
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;
}
/* Takes optional arguments, consult optargs_bitmask. */
int
do_mkfs (const char *fstype, const char *device, int blocksize,
const char *features, int inode, int sectorsize, const char *label)
{
const char *argv[MAX_ARGS];
size_t i = 0;
char blocksize_str[32];
char inode_str[32];
char sectorsize_str[32];
int r;
CLEANUP_FREE char *err = NULL;
int extfs = 0;
if (fstype_is_extfs (fstype))
extfs = 1;
/* For ext2/3/4 run the mke2fs program directly. This is because
* the mkfs program "eats" some options, in particular the -F
* option.
*/
if (extfs)
ADD_ARG (argv, i, str_mke2fs);
else
ADD_ARG (argv, i, str_mkfs);
ADD_ARG (argv, i, "-t");
ADD_ARG (argv, i, fstype);
/* Force mke2fs to create a filesystem, even if it thinks it
* shouldn't (RHBZ#690819).
*/
if (extfs)
ADD_ARG (argv, i, "-F");
/* mkfs.ntfs requires the -Q argument otherwise it writes zeroes to
* every block and does bad block detection, neither of which are
* useful behaviour for virtual devices. Also recent versions need
* to be forced to create filesystems on non-partitions.
*/
if (STREQ (fstype, "ntfs")) {
ADD_ARG (argv, i, "-Q");
ADD_ARG (argv, i, "-F");
}
/* mkfs.reiserfs produces annoying interactive prompts unless you
* tell it to be quiet.
* mkfs.jfs is the same
* mkfs.xfs must force to make xfs filesystem when the device already
* has a filesystem on it
*/
if (STREQ (fstype, "reiserfs") || STREQ (fstype, "jfs") ||
STREQ (fstype, "xfs"))
ADD_ARG (argv, i, "-f");
/* For GFS, GFS2, assume a single node. */
if (STREQ (fstype, "gfs") || STREQ (fstype, "gfs2")) {
ADD_ARG (argv, i, "-p");
ADD_ARG (argv, i, "lock_nolock");
/* The man page says this is default, but it doesn't seem to be: */
ADD_ARG (argv, i, "-j");
ADD_ARG (argv, i, "1");
/* Don't ask questions: */
ADD_ARG (argv, i, "-O");
}
/* Force mkfs.fat to create a whole disk filesystem (RHBZ#1039995). */
if (STREQ (fstype, "fat") || STREQ (fstype, "vfat") ||
STREQ (fstype, "msdos"))
ADD_ARG (argv, i, "-I");
/* Process blocksize parameter if set. */
if (optargs_bitmask & GUESTFS_MKFS_BLOCKSIZE_BITMASK) {
if (blocksize <= 0 || !is_power_of_2 (blocksize)) {
reply_with_error ("block size must be > 0 and a power of 2");
return -1;
}
if (STREQ (fstype, "vfat") ||
STREQ (fstype, "msdos")) {
/* For VFAT map the blocksize into a cluster size. However we
* have to determine the block device sector size in order to do
* this.
*/
int ss = do_blockdev_getss (device);
if (ss == -1)
return -1;
int sectors_per_cluster = blocksize / ss;
if (sectors_per_cluster < 1 || sectors_per_cluster > 128) {
reply_with_error ("unsupported cluster size for %s filesystem (requested cluster size = %d, sector size = %d, trying sectors per cluster = %d)",
fstype, blocksize, ss, sectors_per_cluster);
return -1;
}
snprintf (blocksize_str, sizeof blocksize_str, "%d", sectors_per_cluster);
ADD_ARG (argv, i, "-s");
ADD_ARG (argv, i, blocksize_str);
}
else if (STREQ (fstype, "ntfs")) {
/* For NTFS map the blocksize into a cluster size. */
snprintf (blocksize_str, sizeof blocksize_str, "%d", blocksize);
ADD_ARG (argv, i, "-c");
ADD_ARG (argv, i, blocksize_str);
}
else if (STREQ (fstype, "btrfs")) {
/* For btrfs, blocksize cannot be specified (RHBZ#807905). */
reply_with_error ("blocksize cannot be set on btrfs filesystems, use 'mkfs-btrfs'");
return -1;
}
else if (STREQ (fstype, "xfs")) {
/* mkfs -t xfs -b size=<size> (RHBZ#981715). */
snprintf (blocksize_str, sizeof blocksize_str, "size=%d", blocksize);
ADD_ARG (argv, i, "-b");
ADD_ARG (argv, i, blocksize_str);
}
else {
/* For all other filesystem types, try the -b option. */
snprintf (blocksize_str, sizeof blocksize_str, "%d", blocksize);
ADD_ARG (argv, i, "-b");
ADD_ARG (argv, i, blocksize_str);
}
}
if (optargs_bitmask & GUESTFS_MKFS_FEATURES_BITMASK) {
ADD_ARG (argv, i, "-O");
ADD_ARG (argv, i, features);
}
if (optargs_bitmask & GUESTFS_MKFS_INODE_BITMASK) {
if (!extfs) {
reply_with_error ("inode size (-I) can only be set on ext2/3/4 filesystems");
return -1;
}
if (inode <= 0) {
reply_with_error ("inode size must be larger than zero");
return -1;
}
snprintf (inode_str, sizeof inode_str, "%d", inode);
ADD_ARG (argv, i, "-I");
ADD_ARG (argv, i, inode_str);
}
if (optargs_bitmask & GUESTFS_MKFS_SECTORSIZE_BITMASK) {
if (!STREQ (fstype, "ufs")) {
reply_with_error ("sector size (-S) can only be set on ufs filesystems");
return -1;
}
if (sectorsize <= 0) {
reply_with_error ("sector size must be larger than zero");
return -1;
}
snprintf (sectorsize_str, sizeof sectorsize_str, "%d", sectorsize);
ADD_ARG (argv, i, "-S");
ADD_ARG (argv, i, sectorsize_str);
}
if (optargs_bitmask & GUESTFS_MKFS_LABEL_BITMASK) {
if (extfs) {
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;
}
ADD_ARG (argv, i, "-L");
ADD_ARG (argv, i, label);
}
else if (STREQ (fstype, "fat") || STREQ (fstype, "vfat") ||
STREQ (fstype, "msdos")) {
ADD_ARG (argv, i, "-n");
ADD_ARG (argv, i, label);
}
else if (STREQ (fstype, "ntfs")) {
ADD_ARG (argv, i, "-L");
ADD_ARG (argv, i, label);
}
else if (STREQ (fstype, "xfs")) {
if (strlen (label) > XFS_LABEL_MAX) {
reply_with_error ("%s: xfs labels are limited to %d bytes",
label, XFS_LABEL_MAX);
return -1;
}
ADD_ARG (argv, i, "-L");
ADD_ARG (argv, i, label);
}
else if (STREQ (fstype, "btrfs")) {
ADD_ARG (argv, i, "-L");
ADD_ARG (argv, i, label);
}
else {
reply_with_error ("don't know how to set the label for '%s' filesystems",
fstype);
return -1;
}
}
ADD_ARG (argv, i, device);
ADD_ARG (argv, i, NULL);
wipe_device_before_mkfs (device);
r = commandv (NULL, &err, argv);
if (r == -1) {
reply_with_error ("%s: %s: %s", fstype, device, err);
return -1;
}
return 0;
}
int
do_xfs_growfs (const char *path,
int datasec, int logsec, int rtsec,
int64_t datasize, int64_t logsize, int64_t rtsize,
int64_t rtextsize, int32_t maxpct)
{
int r;
CLEANUP_FREE char *buf = NULL, *err = NULL;
const char *argv[MAX_ARGS];
char datasize_s[64];
char logsize_s[64];
char rtsize_s[64];
char rtextsize_s[64];
char maxpct_s[32];
size_t i = 0;
buf = sysroot_path (path);
if (buf == NULL) {
reply_with_perror ("malloc");
return -1;
}
ADD_ARG (argv, i, str_xfs_growfs);
/* Optional arguments */
if (!(optargs_bitmask & GUESTFS_XFS_GROWFS_DATASEC_BITMASK))
datasec = 0;
if (!(optargs_bitmask & GUESTFS_XFS_GROWFS_LOGSEC_BITMASK))
logsec = 0;
if (!(optargs_bitmask & GUESTFS_XFS_GROWFS_RTSEC_BITMASK))
rtsec = 0;
if (datasec)
ADD_ARG (argv, i, "-d");
if (logsec)
ADD_ARG (argv, i, "-l");
if (rtsec)
ADD_ARG (argv, i, "-r");
if (optargs_bitmask & GUESTFS_XFS_GROWFS_DATASIZE_BITMASK) {
if (datasize < 0) {
reply_with_error ("datasize must be >= 0");
return -1;
}
snprintf (datasize_s, sizeof datasize_s, "%" PRIi64, datasize);
ADD_ARG (argv, i, "-D");
ADD_ARG (argv, i, datasize_s);
}
if (optargs_bitmask & GUESTFS_XFS_GROWFS_LOGSIZE_BITMASK) {
if (logsize < 0) {
reply_with_error ("logsize must be >= 0");
return -1;
}
snprintf (logsize_s, sizeof logsize_s, "%" PRIi64, logsize);
ADD_ARG (argv, i, "-L");
ADD_ARG (argv, i, logsize_s);
}
if (optargs_bitmask & GUESTFS_XFS_GROWFS_RTSIZE_BITMASK) {
if (rtsize < 0) {
reply_with_error ("rtsize must be >= 0");
return -1;
}
snprintf (rtsize_s, sizeof rtsize_s, "%" PRIi64, rtsize);
ADD_ARG (argv, i, "-R");
ADD_ARG (argv, i, rtsize_s);
}
if (optargs_bitmask & GUESTFS_XFS_GROWFS_RTEXTSIZE_BITMASK) {
if (rtextsize < 0) {
reply_with_error ("rtextsize must be >= 0");
return -1;
}
snprintf (rtextsize_s, sizeof rtextsize_s, "%" PRIi64, rtextsize);
ADD_ARG (argv, i, "-e");
ADD_ARG (argv, i, rtextsize_s);
}
if (optargs_bitmask & GUESTFS_XFS_GROWFS_MAXPCT_BITMASK) {
if (maxpct < 0) {
reply_with_error ("maxpct must be >= 0");
return -1;
}
snprintf (maxpct_s, sizeof maxpct_s, "%" PRIi32, maxpct);
ADD_ARG (argv, i, "-m");
ADD_ARG (argv, i, maxpct_s);
}
ADD_ARG (argv, i, buf);
ADD_ARG (argv, i, NULL);
r = commandv (NULL, &err, argv);
if (r == -1) {
reply_with_error ("%s: %s", path, err);
return -1;
}
return 0;
}
