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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-08-26 14:54:28 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-08-26 14:54:28 +0200
commitfa893f8f7c96f27828e8d5c694f85a44aa9f8b7b (patch)
treeb76949d636202d48394c6b2da154063d3c7d257d /CHANGELOG.md
parentf5c0f0c75181d5e7fa56d11fa59a32a1c088020a (diff)
Add a change log
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+### Added
+- Add a change log
+- Add test programs for fuzzing tar and gensquashfs file format parsers
+
+### Fixed
+- Harden against integer overflows when parsing squashfs images
+- Test against format limits when parsing directory entries
+- More thorough bounds checking when reading metadata blocks
+
+## [0.6.0] - 2019-08-22
+### Added
+- New utility `sqfsdiff` that can compare squashfs images
+- rdsquashfs can now dump extended attributes for an inode
+- rdsquashfs can now optionally set xattrs on unpacked files
+- rdsquashfs can now optionally restore timestamps on unpacked files
+- sqfs2tar can now optionally copy xattrs over to the resulting tarball
+- gensquashfs can now optionally read xattrs from input files
+- gensquashfs now has a --one-file-system option
+- tar2sqfs and gensquashfs now output some simple statistics
+- Full fragment and data block deduplication
+- Support for SOURCE_DATE_EPOCH environment variable
+- Optimized, faster file unpacking order
+- Faster, pthread based, parallel block compressor
+
+### Fixed
+- Return the correct value from data_reader_create
+- Fix free() of stack pointer in id_table_read error path
+- Fix missing initialization of file fragment fields
+- Fix xattr OOL position
+- Fix super block flags: clear "no xattr" flag when writing xattrs
+- Fix xattr writer size accounting
+- Fix explicit NULL dereference in deserialize_fstree failure path
+- Fix tar header error reporting on 32 bit systems
+- Make sure file listing generated by rdsquashfs -d is properly escaped
+- Fix functions with side effect being used inside asserts
+- Fix zero padding of extracted data blocks
+- Fix forward seek when unpacking sparse files
+- Fix wrong argument type for gensquashfs --keep-time
+- Fix memory leak in dir-scan error code path
+- Fix chmod of symlinks in restore_fstree
+- Add proper copyright headers to all source files
+
+### Changed
+- Various internal data structure and code cleanups
+- Overhaul README and convert it to markdown
+
+## [0.5.0] - 2019-07-28
+### Added
+- Support for NFS export
+- Support for xattr value deduplication
+- Flag in packers to optionally keep the original time stamps
+- Largefile support
+- Implement simple, fork() based parallel unpacking in rdsquashfs
+
+### Fixed
+- Remove unfriendly words about squashfs-tools from README
+- Propper error message for ZSTD compressor
+- Correct copy-and-paste mistake in the build system
+- Make sure xattr string table is propperly initialized
+- More lenient tar checksum verification
+- Fix xattr unit test
+- Fix possible leak in tar2sqfs if writing xattrs fails
+- Fix corner cases in directory list parsing
+- Fix processing of tar mtime on 32 bit systems
+- libfstree: fix signed/unsigned comparisons
+- Fix fragment reader out of bounds read when loading table
+- Fix checks of super block block size
+- Fix potential resource leak in deserialize_tree
+- Enforce reasonable upper and low bounds on the size of tar headers
+- Make sure target in fstree_mknode is always set when creating a symlink
+- Use safer string copy function to fill tar header
+
+## [0.4.2] - 2019-07-17
+### Fixed
+- Sanity check id table size read from super block
+- Various bug fixes through Coverity scan
+- Fix dirindex writing for ext dir inode
+- fstree: mknode: initialize fragment data, add extra blocksize slot
+- Fix directory index creation
+- Support for reading files without fragments
+- Support for spaces in filenames
+- Eleminate use of temporary file
+
+## [0.4.1] - 2019-07-07
+### Fixed
+- read_inode: determine mode bits from inode type
+- Actually encode/decode directory inode difference as signed
+- Fix regression in fstree_from_file device node format
+- Always initialize gensquashfs defaults option
+
+## [0.4.0] - 2019-07-04
+### Added
+- no-skip option in tar2sqfs and sqfs2tar
+- Option for sqfs2tar to extract only some subdirectories
+- Support for xattr extensions in tar parser
+- Support repacking xattrs from tarball into squashfs filesystem
+
+### Fixed
+- Null-pointer dereference in restore_unpack
+- Memory leak in gzip compressor
+- Stack pointer free() in fstree_from_dir
+- Use of uninitialized xattr structure
+- Initialize return status in fstree_relabel_selinux
+- Make pax header parser bail if parsing a number fails
+- Double free in GNU tar sparse file parser
+- Never used overflow error message in fstree_from_file
+- Unused variable assignment in tar header writer
+- Make sure fragment and id tables are initialized
+- Directory index offset calculation
+- Missing htole32 transformations
+- Don't blindly strcpy() the tar header name
+- Typos in README
+- Composition order of prefix + name for ustar
+- Actually check return value when writing xattrs
+- Possible out of bounds read in libcompress.a
+- Check block_log range before deriving block size from it
+- tar2sqfs: check for invalid file names first
+
+### Changed
+- Tar writer: Use more widely supported GNU tar extensions instead of PAX
+- Simplify deduction logic for squashfs inode type
+
+## [0.3.0] - 2019-06-30
+### Added
+- Add utility to turn a squashfs image into a POSIX tar archvie
+- Add utility to turn a POSIX/PAX tar archive into a squashfs image
+- Add unit tests
+- Add support for packing sparse files
+- Add support for unpacking sparse files as sparse files
+
+### Fixed
+- Actually update permissions in fstree add by path
+- Always set permissions on symlinks to 0777
+- gensquashfs: Fix typo in help text
+- Fix inode fragment & sparse counter initialization
+- Ommit fragment table if there really are no fragments
+
+### Changed
+- Lots of internal cleanups and restructuring
+
+## [0.2.0] - 2019-06-13
+### Fixed
+- Make empty directories with xattrs work
+- Flush the last, unfinished fragment block
+
+### Changed
+- Add pushd/popd utility functions and replace directory traversal code
+- Lots of internal cleanups
+- Use abstractions for many operations and move them to support libraries
+
+## [0.1.0] - 2019-06-08
+### Added
+- Salvage protoype from Pygos project and turn it into generic squashfs packer
+- Add unpacker
+
+### Changed
+- Insert abstraction layers and split generic code off into support libraries