From fa893f8f7c96f27828e8d5c694f85a44aa9f8b7b Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Mon, 26 Aug 2019 14:54:28 +0200 Subject: Add a change log Signed-off-by: David Oberhollenzer --- CHANGELOG.md | 164 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 164 insertions(+) create mode 100644 CHANGELOG.md (limited to 'CHANGELOG.md') diff --git a/CHANGELOG.md b/CHANGELOG.md new file mode 100644 index 0000000..f1e8145 --- /dev/null +++ b/CHANGELOG.md @@ -0,0 +1,164 @@ +# 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 -- cgit v1.2.3