/**
* Initializes a pre-allocated piece of memory to contain a constraint
* with the supplied default values.
*
* \return \c 0 on failure.
*/
int
ped_constraint_init (
PedConstraint* constraint,
const PedAlignment* start_align,
const PedAlignment* end_align,
const PedGeometry* start_range,
const PedGeometry* end_range,
PedSector min_size,
PedSector max_size)
{
PED_ASSERT (constraint != NULL);
PED_ASSERT (start_range != NULL);
PED_ASSERT (end_range != NULL);
PED_ASSERT (min_size > 0);
PED_ASSERT (max_size > 0);
constraint->start_align = ped_alignment_duplicate (start_align);
constraint->end_align = ped_alignment_duplicate (end_align);
constraint->start_range = ped_geometry_duplicate (start_range);
constraint->end_range = ped_geometry_duplicate (end_range);
constraint->min_size = min_size;
constraint->max_size = max_size;
return 1;
}
/* 1:1 function mappings for geom.h in libparted */
PyObject *py_ped_geometry_duplicate(PyObject *s, PyObject *args) {
PedGeometry *geometry = NULL, *geom = NULL;
_ped_Geometry *ret = NULL;
geometry = _ped_Geometry2PedGeometry(s);
if (geometry == NULL) {
return NULL;
}
geom = ped_geometry_duplicate(geometry);
if (geom) {
ret = PedGeometry2_ped_Geometry(geom);
}
else {
if (partedExnRaised) {
partedExnRaised = 0;
if (!PyErr_ExceptionMatches(PartedException) &&
!PyErr_ExceptionMatches(PyExc_NotImplementedError))
PyErr_SetString(CreateException, partedExnMessage);
}
else
PyErr_SetString(CreateException, "Could not duplicate geometry");
return NULL;
}
return (PyObject *) ret;
}
static PedGeometry*
_generic_apfs_probe (PedGeometry* geom, uint32_t kind)
{
uint32_t *block;
PedSector root;
struct PartitionBlock * part;
uint32_t blocksize = 1, reserved = 2;
PED_ASSERT (geom != NULL);
PED_ASSERT (geom->dev != NULL);
if (geom->dev->sector_size != 512)
return NULL;
/* Finds the blocksize and reserved values of the partition block */
if (!(part = ped_malloc (PED_SECTOR_SIZE_DEFAULT*blocksize))) {
ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
_("%s : Failed to allocate partition block\n"), __func__);
goto error_part;
}
if (amiga_find_part(geom, part) != NULL) {
reserved = PED_BE32_TO_CPU (part->de_Reserved);
blocksize = PED_BE32_TO_CPU (part->de_SizeBlock)
* PED_BE32_TO_CPU (part->de_SectorPerBlock) / 128;
}
free (part);
/* Test boot block */
if (!(block = ped_malloc (PED_SECTOR_SIZE_DEFAULT*blocksize))) {
ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
_("%s : Failed to allocate block\n"), __func__);
goto error_block;
}
if (!ped_device_read (geom->dev, block, geom->start, blocksize)) {
ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
_("%s : Couldn't read boot block %llu\n"), __func__, geom->start);
goto error;
}
if (PED_BE32_TO_CPU (block[0]) != kind) {
goto error;
}
/* Find and test the root block */
root = geom->start+reserved*blocksize;
if (!ped_device_read (geom->dev, block, root, blocksize)) {
ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
_("%s : Couldn't read root block %llu\n"), __func__, root);
goto error;
}
if (_apfs_probe_root(block, blocksize, kind) == 1) {
free(block);
return ped_geometry_duplicate (geom);
}
error:
free (block);
error_block:
error_part:
return NULL;
}
/* This function erases all signatures that indicate the presence of
* a file system in a particular region, without erasing any data
* contained inside the "exclude" region.
*/
static int
ped_file_system_clobber_exclude (PedGeometry* geom,
const PedGeometry* exclude)
{
PedGeometry* clobber_geom;
int status;
if (ped_geometry_test_sector_inside (exclude, geom->start))
return 1;
clobber_geom = ped_geometry_duplicate (geom);
if (ped_geometry_test_overlap (clobber_geom, exclude))
ped_geometry_set_end (clobber_geom, exclude->start - 1);
status = ped_file_system_clobber (clobber_geom);
ped_geometry_destroy (clobber_geom);
return status;
}
static PedFileSystem *reiserfs_open(PedGeometry *geom)
{
PedFileSystem *fs;
PedGeometry *fs_geom;
dal_t *dal;
reiserfs_fs_t *fs_info;
PED_ASSERT(geom != NULL);
if (!(fs_geom = ped_geometry_duplicate(geom)))
goto error;
if (! (dal = geom_dal_create(fs_geom, DEFAULT_BLOCK_SIZE, O_RDONLY)))
goto error_fs_geom_free;
/*
We are passing NULL as DAL for journal. Therefore we let libreiserfs know,
that journal not available and parted will be working fine for reiserfs
with relocated journal too.
*/
if (!(fs = (PedFileSystem *) ped_malloc(sizeof(PedFileSystem))))
goto error_free_dal;
if (!(fs_info = reiserfs_fs_open(dal, NULL)))
goto error_free_fs;
fs->type = reiserfs_type;
fs->geom = fs_geom;
fs->type_specific = (void *) fs_info;
return fs;
error_free_fs:
free(fs);
error_free_dal:
geom_dal_free(dal);
error_fs_geom_free:
ped_geometry_destroy(fs_geom);
error:
return NULL;
}
PedFileSystem *
hfs_open (PedGeometry* geom)
{
uint8_t buf[PED_SECTOR_SIZE_DEFAULT];
PedFileSystem* fs;
HfsMasterDirectoryBlock* mdb;
HfsPrivateFSData* priv_data;
if (!hfsc_can_use_geom (geom))
return NULL;
/* Read MDB */
if (!ped_geometry_read (geom, buf, 2, 1))
return NULL;
/* Allocate memory */
fs = (PedFileSystem*) ped_malloc (sizeof (PedFileSystem));
if (!fs) goto ho;
mdb = (HfsMasterDirectoryBlock*)
ped_malloc (sizeof (HfsMasterDirectoryBlock));
if (!mdb) goto ho_fs;
priv_data = (HfsPrivateFSData*)
ped_malloc (sizeof (HfsPrivateFSData));
if (!priv_data) goto ho_mdb;
memcpy (mdb, buf, sizeof (HfsMasterDirectoryBlock));
/* init structures */
priv_data->mdb = mdb;
priv_data->bad_blocks_loaded = 0;
priv_data->bad_blocks_xtent_nb = 0;
priv_data->bad_blocks_xtent_list = NULL;
priv_data->extent_file =
hfs_file_open (fs, PED_CPU_TO_BE32 (HFS_XTENT_ID),
mdb->extents_file_rec,
PED_CPU_TO_BE32 (mdb->extents_file_size)
/ PED_SECTOR_SIZE_DEFAULT);
if (!priv_data->extent_file) goto ho_pd;
priv_data->catalog_file =
hfs_file_open (fs, PED_CPU_TO_BE32 (HFS_CATALOG_ID),
mdb->catalog_file_rec,
PED_CPU_TO_BE32 (mdb->catalog_file_size)
/ PED_SECTOR_SIZE_DEFAULT);
if (!priv_data->catalog_file) goto ho_ce;
/* Read allocation blocks */
if (!ped_geometry_read(geom, priv_data->alloc_map,
PED_BE16_TO_CPU (mdb->volume_bitmap_block),
( PED_BE16_TO_CPU (mdb->total_blocks)
+ PED_SECTOR_SIZE_DEFAULT * 8 - 1 )
/ (PED_SECTOR_SIZE_DEFAULT * 8) ) )
goto ho_cf;
fs->type = &hfs_type;
fs->geom = ped_geometry_duplicate (geom);
if (!fs->geom) goto ho_cf;
fs->type_specific = (void*) priv_data;
fs->checked = ( PED_BE16_TO_CPU (mdb->volume_attributes)
>> HFS_UNMOUNTED ) & 1;
return fs;
/*--- clean error handling ---*/
ho_cf: hfs_file_close(priv_data->catalog_file);
ho_ce: hfs_file_close(priv_data->extent_file);
ho_pd: free(priv_data);
ho_mdb: free(mdb);
ho_fs: free(fs);
ho: return NULL;
}
PedFileSystem*
hfsplus_open (PedGeometry* geom)
{
uint8_t buf[PED_SECTOR_SIZE_DEFAULT];
PedFileSystem* fs;
HfsPVolumeHeader* vh;
HfsPPrivateFSData* priv_data;
PedGeometry* wrapper_geom;
unsigned int map_sectors;
if (!hfsc_can_use_geom (geom))
return NULL;
fs = (PedFileSystem*) ped_malloc (sizeof (PedFileSystem));
if (!fs) goto hpo;
vh = (HfsPVolumeHeader*) ped_malloc (sizeof (HfsPVolumeHeader));
if (!vh) goto hpo_fs;
priv_data = (HfsPPrivateFSData*)ped_malloc (sizeof (HfsPPrivateFSData));
if (!priv_data) goto hpo_vh;
fs->geom = ped_geometry_duplicate (geom);
if (!fs->geom) goto hpo_pd;
fs->type_specific = (void*) priv_data;
if ((wrapper_geom = hfs_and_wrapper_probe (geom))) {
HfsPrivateFSData* hfs_priv_data;
PedSector abs_sect, length;
unsigned int bs;
ped_geometry_destroy (wrapper_geom);
priv_data->wrapper = hfs_open(geom);
if (!priv_data->wrapper) goto hpo_gm;
hfs_priv_data = (HfsPrivateFSData*)
priv_data->wrapper->type_specific;
bs = PED_BE32_TO_CPU (hfs_priv_data->mdb->block_size)
/ PED_SECTOR_SIZE_DEFAULT;
abs_sect = (PedSector) geom->start
+ (PedSector) PED_BE16_TO_CPU (
hfs_priv_data->mdb->start_block)
+ (PedSector) PED_BE16_TO_CPU (
hfs_priv_data->mdb->old_new
.embedded.location.start_block )
* bs;
length = (PedSector) PED_BE16_TO_CPU (
hfs_priv_data->mdb->old_new
.embedded.location.block_count)
* bs;
priv_data->plus_geom = ped_geometry_new (geom->dev, abs_sect,
length);
if (!priv_data->plus_geom) goto hpo_wr;
priv_data->free_geom = 1;
} else {
priv_data->wrapper = NULL;
priv_data->plus_geom = fs->geom;
priv_data->free_geom = 0;
}
if (!ped_geometry_read (priv_data->plus_geom, buf, 2, 1)) goto hpo_pg;
memcpy (vh, buf, sizeof (HfsPVolumeHeader));
priv_data->vh = vh;
if (vh->signature != PED_CPU_TO_BE16(HFSP_SIGNATURE)
&& vh->signature != PED_CPU_TO_BE16(HFSX_SIGNATURE)) {
ped_exception_throw (
PED_EXCEPTION_BUG,
PED_EXCEPTION_CANCEL,
_("No valid HFS[+X] signature has been found while "
"opening."));
goto hpo_pg;
}
if (vh->signature == PED_CPU_TO_BE16(HFSP_SIGNATURE)
&& vh->version != PED_CPU_TO_BE16(HFSP_VERSION)) {
if (ped_exception_throw (
PED_EXCEPTION_NO_FEATURE,
PED_EXCEPTION_IGNORE_CANCEL,
_("Version %d of HFS+ isn't supported."),
PED_BE16_TO_CPU(vh->version))
!= PED_EXCEPTION_IGNORE)
goto hpo_pg;
}
if (vh->signature == PED_CPU_TO_BE16(HFSX_SIGNATURE)
&& vh->version != PED_CPU_TO_BE16(HFSX_VERSION)) {
if (ped_exception_throw (
PED_EXCEPTION_NO_FEATURE,
PED_EXCEPTION_IGNORE_CANCEL,
_("Version %d of HFSX isn't supported."),
PED_BE16_TO_CPU(vh->version))
!= PED_EXCEPTION_IGNORE)
goto hpo_pg;
}
priv_data->jib_start_block = 0;
priv_data->jl_start_block = 0;
if (vh->attributes & PED_CPU_TO_BE32(1<<HFSP_JOURNALED)) {
if (!hfsj_replay_journal(fs))
goto hpo_pg;
}
priv_data->bad_blocks_loaded = 0;
priv_data->bad_blocks_xtent_nb = 0;
priv_data->bad_blocks_xtent_list = NULL;
priv_data->extents_file =
hfsplus_file_open (fs, PED_CPU_TO_BE32 (HFS_XTENT_ID),
vh->extents_file.extents,
PED_BE64_TO_CPU (
vh->extents_file.logical_size )
/ PED_SECTOR_SIZE_DEFAULT);
if (!priv_data->extents_file) goto hpo_pg;
priv_data->catalog_file =
hfsplus_file_open (fs, PED_CPU_TO_BE32 (HFS_CATALOG_ID),
vh->catalog_file.extents,
PED_BE64_TO_CPU (
vh->catalog_file.logical_size )
/ PED_SECTOR_SIZE_DEFAULT);
if (!priv_data->catalog_file) goto hpo_ce;
priv_data->attributes_file =
hfsplus_file_open (fs, PED_CPU_TO_BE32 (HFSP_ATTRIB_ID),
vh->attributes_file.extents,
PED_BE64_TO_CPU (
vh->attributes_file.logical_size)
/ PED_SECTOR_SIZE_DEFAULT);
if (!priv_data->attributes_file) goto hpo_cc;
map_sectors = ( PED_BE32_TO_CPU (vh->total_blocks)
+ PED_SECTOR_SIZE_DEFAULT * 8 - 1 )
/ (PED_SECTOR_SIZE_DEFAULT * 8);
priv_data->dirty_alloc_map = (uint8_t*)
ped_malloc ((map_sectors + 7) / 8);
if (!priv_data->dirty_alloc_map) goto hpo_cl;
memset(priv_data->dirty_alloc_map, 0, (map_sectors + 7) / 8);
priv_data->alloc_map = (uint8_t*)
ped_malloc (map_sectors * PED_SECTOR_SIZE_DEFAULT);
if (!priv_data->alloc_map) goto hpo_dm;
priv_data->allocation_file =
hfsplus_file_open (fs, PED_CPU_TO_BE32 (HFSP_ALLOC_ID),
vh->allocation_file.extents,
PED_BE64_TO_CPU (
vh->allocation_file.logical_size)
/ PED_SECTOR_SIZE_DEFAULT);
if (!priv_data->allocation_file) goto hpo_am;
if (!hfsplus_file_read (priv_data->allocation_file,
priv_data->alloc_map, 0, map_sectors)) {
hfsplus_close(fs);
return NULL;
}
fs->type = &hfsplus_type;
fs->checked = ((PED_BE32_TO_CPU (vh->attributes) >> HFS_UNMOUNTED) & 1)
&& !((PED_BE32_TO_CPU (vh->attributes) >> HFSP_INCONSISTENT) & 1);
return fs;
/*--- clean error handling ---*/
hpo_am: free(priv_data->alloc_map);
hpo_dm: free(priv_data->dirty_alloc_map);
hpo_cl: hfsplus_file_close (priv_data->attributes_file);
hpo_cc: hfsplus_file_close (priv_data->catalog_file);
hpo_ce: hfsplus_file_close (priv_data->extents_file);
hpo_pg: if (priv_data->free_geom) ped_geometry_destroy (priv_data->plus_geom);
hpo_wr: if (priv_data->wrapper) hfs_close(priv_data->wrapper);
hpo_gm: ped_geometry_destroy (fs->geom);
hpo_pd: free(priv_data);
hpo_vh: free(vh);
hpo_fs: free(fs);
hpo: return NULL;
}
const PedAlignment* start_align,
const PedAlignment* end_align,
const PedGeometry* start_range,
const PedGeometry* end_range,
PedSector min_size,
PedSector max_size)
{
PED_ASSERT (constraint != NULL, return 0);
PED_ASSERT (start_range != NULL, return 0);
PED_ASSERT (end_range != NULL, return 0);
PED_ASSERT (min_size > 0, return 0);
PED_ASSERT (max_size > 0, return 0);
constraint->start_align = ped_alignment_duplicate (start_align);
constraint->end_align = ped_alignment_duplicate (end_align);
constraint->start_range = ped_geometry_duplicate (start_range);
constraint->end_range = ped_geometry_duplicate (end_range);
constraint->min_size = min_size;
constraint->max_size = max_size;
return 1;
}
/**
* Convenience wrapper for ped_constraint_init().
*
* Allocates a new piece of memory and initializes the constraint.
*
* \return \c NULL on failure.
*/
PedConstraint*
static PedFileSystem *reiserfs_copy(const PedFileSystem *fs,
PedGeometry *geom, PedTimer *timer)
{
dal_t *dal;
PedGeometry *fs_geom;
PedFileSystem *new_fs;
blk_t fs_len, min_needed_blk;
reiserfs_fs_t *dest_fs, *src_fs;
reiserfs_gauge_t *gauge = NULL;
fs_geom = ped_geometry_duplicate(geom);
if (!(dal = geom_dal_create(fs_geom, DEFAULT_BLOCK_SIZE, O_RDWR))) {
ped_exception_throw(PED_EXCEPTION_ERROR,
PED_EXCEPTION_CANCEL,
_("Couldn't create reiserfs device "
"abstraction handler."));
goto error_free_fs_geom;
}
src_fs = fs->type_specific;
fs_len =
(geom->length / (reiserfs_fs_block_size(src_fs) / PED_SECTOR_SIZE_DEFAULT));
min_needed_blk = reiserfs_fs_bitmap_used(src_fs);
if (fs_len <= min_needed_blk) {
ped_exception_throw(PED_EXCEPTION_ERROR,
PED_EXCEPTION_CANCEL,
_("Device is too small for %lu blocks."),
min_needed_blk);
goto error_free_dal;
}
if (! (new_fs = (PedFileSystem *) ped_malloc(sizeof(PedFileSystem))))
goto error_free_dal;
ped_timer_reset(timer);
ped_timer_set_state_name(timer, _("copying"));
ped_timer_update(timer, 0.0);
if (libreiserfs_gauge_create && libreiserfs_gauge_free) {
if (! (gauge =
libreiserfs_gauge_create(NULL, gauge_handler, timer)))
goto error_free_new_fs;
}
if (!(dest_fs = reiserfs_fs_copy(src_fs, dal, gauge)))
goto error_free_gauge;
ped_timer_update(timer, 1.0);
if (gauge)
libreiserfs_gauge_free(gauge);
new_fs->type = reiserfs_type;
new_fs->geom = fs_geom;
new_fs->type_specific = (void *) dest_fs;
return new_fs;
error_free_gauge:
if (gauge)
libreiserfs_gauge_free(gauge);
error_free_new_fs:
free(new_fs);
error_free_dal:
geom_dal_free(dal);
error_free_fs_geom:
ped_geometry_destroy(fs_geom);
return NULL;
}
static PedFileSystem *reiserfs_create(PedGeometry *geom, PedTimer *timer)
{
dal_t *dal;
uuid_t uuid;
PedFileSystem *fs;
PedGeometry *fs_geom;
reiserfs_fs_t *fs_info;
reiserfs_gauge_t *gauge = NULL;
PED_ASSERT(geom != NULL);
fs_geom = ped_geometry_duplicate(geom);
if (!(dal = geom_dal_create(fs_geom, DEFAULT_BLOCK_SIZE, O_RDWR)))
goto error_fs_geom_free;
memset(uuid, 0, sizeof(uuid));
uuid_generate(uuid);
ped_timer_reset(timer);
ped_timer_set_state_name(timer, _("creating"));
if (libreiserfs_gauge_create && libreiserfs_gauge_free) {
if (! (gauge =
libreiserfs_gauge_create(NULL, gauge_handler, timer)))
goto error_free_dal;
}
if (!(fs_info = reiserfs_fs_create(dal, dal, 0, JOURNAL_MAX_TRANS,
DEFAULT_JOURNAL_SIZE,
DEFAULT_BLOCK_SIZE,
FS_FORMAT_3_6, R5_HASH, NULL,
(char *) uuid, dal_len(dal),
gauge)))
goto error_free_gauge;
ped_timer_update(timer, 1.0);
if (gauge)
libreiserfs_gauge_free(gauge);
if (!(fs = (PedFileSystem *) ped_malloc(sizeof(PedFileSystem))))
goto error_free_fs_info;
fs->type = reiserfs_type;
fs->geom = fs_geom;
fs->type_specific = (void *) fs_info;
return fs;
error_free_fs_info:
free(fs_info);
error_free_gauge:
if (gauge)
libreiserfs_gauge_free(gauge);
error_free_dal:
geom_dal_free(dal);
error_fs_geom_free:
ped_geometry_destroy(fs_geom);
return NULL;
}
