`dissect.hypervisor.disk.qcow2`¶

Module Contents¶

Classes¶

`QCow2`	QCOW2 virtual disk implementation.
`L2Table`	Convenience class for accessing the L2 table.
`QCow2Snapshot`	Wrapper class for snapshot table entries.

Functions¶

`offset_into_cluster`
`offset_into_subcluster`
`size_to_clusters`
`size_to_subclusters`
`offset_to_l1_index`
`offset_to_l2_index`
`offset_to_sc_index`
`get_cluster_type`
`get_subcluster_type`
`get_subcluster_range_type`
`count_contiguous_subclusters`

Attributes¶

`HAS_ZSTD`
`ALLOW_NO_BACKING_FILE`

dissect.hypervisor.disk.qcow2.HAS_ZSTD = True¶

dissect.hypervisor.disk.qcow2.ALLOW_NO_BACKING_FILE = 1¶

class dissect.hypervisor.disk.qcow2.QCow2(fh, data_file=None, backing_file=None)¶

Bases: dissect.util.stream.AlignedStream

QCOW2 virtual disk implementation.

Supports both data-file and backing-file, but must be manually given as arguments.

If a data-file is required, it’s required to manually pass a file like object as the data_file argument.

A backing-file can optionally be skipped if qcow2.ALLOW_NO_BACKING_FILE is passed as the backing_file argument. In this case, any reads from a backing file will result in all null bytes being read.

property has_backing_file¶

property has_data_file¶

property has_subclusters¶

snapshots()¶

l1_table()¶

l2_table(l2_offset)¶

class dissect.hypervisor.disk.qcow2.L2Table(qcow2, offset)¶

Convenience class for accessing the L2 table.

entry(idx)¶

bitmap(idx)¶

class dissect.hypervisor.disk.qcow2.QCow2Snapshot(qcow2, offset)¶

Wrapper class for snapshot table entries.

open()¶

l1_table()¶

dissect.hypervisor.disk.qcow2.offset_into_cluster(qcow2, offset)¶

dissect.hypervisor.disk.qcow2.offset_into_subcluster(qcow2, offset)¶

dissect.hypervisor.disk.qcow2.size_to_clusters(qcow2, size)¶

dissect.hypervisor.disk.qcow2.size_to_subclusters(qcow2, size)¶

dissect.hypervisor.disk.qcow2.offset_to_l1_index(qcow2, offset)¶

dissect.hypervisor.disk.qcow2.offset_to_l2_index(qcow2, offset)¶

dissect.hypervisor.disk.qcow2.offset_to_sc_index(qcow2, offset)¶

dissect.hypervisor.disk.qcow2.get_cluster_type(qcow2, l2_entry)¶

dissect.hypervisor.disk.qcow2.get_subcluster_type(qcow2, l2_entry, l2_bitmap, sc_index)¶

dissect.hypervisor.disk.qcow2.get_subcluster_range_type(qcow2, l2_entry, l2_bitmap, sc_from)¶

dissect.hypervisor.disk.qcow2.count_contiguous_subclusters(qcow2, nb_clusters, sc_index, l2_table, l2_index)¶

dissect.hypervisor.disk.qcow2¶

Module Contents¶

Classes¶

Functions¶

Attributes¶

`dissect.hypervisor.disk.qcow2`¶