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2021-01-19libsqfs: Add a sqfs_block_processor_create_ex functionDavid Oberhollenzer
This function creates a block processor from a structure describing it. A stub implementation for the old sqfs_block_processor_create is added that simply sets up such a struct and forwards the call. The current version of the description struct only contains the exact same parameters and a size field at the beginning. This approach is supposed to make extending the range of parameters easier without breaking ABI compatibillity. Currently already planned are: - Adding a sqfs_file_t pointer to double-check when deduplicating fragments. - When the scanning code reaches a usable state, add the abillity to pass scanned fragment data, so the block processor can be used for appending to an existing image. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-01-19libsqfs: block processor: removed unused chunk next pointerDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-01-19Fix: Move fragment consolidation back to block processor serial partDavid Oberhollenzer
Keeping a list of fragments stored away in the current fragment block and consolidating them in the thread pool takes them out of circulation. If we have a lot of tiny fragments, this can lead to a situation where all the limit is reached, but we cannot do anything, because we are waiting for a block to complete, but they are all attached to the current fragment block and the queue is empty. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-01-15Fix more normalization of slashes in filenames.Scott Moser
It looks like the last commit missed a couple more occurences where '\' was treated incorrectly. Fixes were still needed in sqfs_dir_reader_find_by_path and sqfs_dir_reader_get_full_hierarchy. This path is used in extras/browse.c.
2020-12-29Fix normalization of slashes in filenamesDavid Oberhollenzer
All paths were canonicalized internally, which includes filtering sequences of slashes and converting backslashes to slashes. Furthermore, when unpacking files, filenames are sanity checked and rejected if they contain forward OR backward slashes. This is a problem on Unix-like systems, where files containing backslashes are a legitimate use case (*cough* SystemD *cough*). This patch removes the backslash conversion from the canonicalization and modifies the sanity check to reject backslashes only on Windows. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-12-19Fix: replace the pkg-config check for bzip2 with a manual checkDavid Oberhollenzer
The upstream package for bzip2 does not provide a pkg-config file. Some GNU/Linux distributions (e.g. Fedora) have added one, but others like Debian have not. Since Debian and its deriatives are much more wide spread, this makes the existance of a pkg-config file the exception, rather than the norm. This commit replaces the pkg-config based check in configure.ac with a manual check based on AC_CHECK_LIB and AC_CHECK_HEADERS, similar to what is already done for lzo2. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-12-15Add a simple test case for the directory scanning codeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-12-15libfstree: make the directory scanning code a little more genericDavid Oberhollenzer
- Instead of using the fstree root, let the caller specify it. - Add a flag to prevent recursion into sub directories. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-12-10Move fstree dirscan code back to libfstreeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-12-06libsqfs: implement exact matching in the default block writer.David Oberhollenzer
Instead of comparing (compresed, disk-size, checksum) tuples to find block matches, do an exact, byte-for-byte comparison of the data stored on disk to avoid the possibility of a spurious colision. Since this is the desired behaviour, make it the default, optionally overrideable through a flag. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-11-13Fix: include MacOS compat byteswab definitions in LZO compressorDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-11-07Fix: libsquashfs: xattr_writer: return NULL if calloc failsDavid Oberhollenzer
Instead of dereferencing the NULL pointer and crashing. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-11-07Cleanup: libcommon: try to split up some of the larger filesDavid Oberhollenzer
The sqsf_writer is moved to a separate header, as well as the compressor related stuff. The statistics function is moved into the writer code, as this is the only place that actually uses it. The writer code itself is split up into a hand full of file in their own subdirectory. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-11-06Minor "late night typing" fixes in documentationDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-11-05Update CHANGELOG.mdDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-11-05Bump version in package scriptsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-11-02Cleanup: eliminate the now practically empty test_tar.hDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-11-02Remove package scripts from release tarballsDavid Oberhollenzer
Some of the build scripts contain hashes of the release tarballs. When releasing a new version, in addition to bumping all the version numbers, this would require the amazing stunt of putting the hashes of the release tarball into the release tarball itself, for a number of different hash algorithms. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-10-31Fix the canterbury corpus testDavid Oberhollenzer
The message listing the compressors has changed. We need a new pattern to extract the supported compressors. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-10-31Add a test case for tar2sqfs root becomes file & link filteringDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-10-28Restructure benchmark text file, add decompression benchmarkDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-10-28Add an initial decompression benchmarkDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-10-28documentation: move benchmark description to separate fileDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-10-28Fix: tar2sqfs: if --root-becomes is used, also retarget linksDavid Oberhollenzer
In addition to skipping non-prefixed files and stripping the prefix off of entries we accept, the targets of links also have to be altered, since they can be absolute paths with the root prefix attached. This can affect symbolic links as well. Altough they are allowed to point into nowhere, across filesystem boundaries, they may also be absolute paths refering to existing locations in the filesystem, so no distinction is made by default. However, the later may be intended (e.g. only a subdirectory is packed into SquashFS and then mounted at that location), so a command line switch is added to disable symlink retargetting. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-10-27Build package using Docker imagesSébastien Gross
Docker image can now be used to build packages for following distributions: * alpine * archlinux * centos * fedora * debian * ubuntu * opensuse Signed-off-by: Sébastien Gross <seb•ɑƬ•chezwam•ɖɵʈ•org>
2020-10-27Fix multiple issues in RPM package builderSébastien Gross
* suse_version macro were mission the question mark prefix. * replace el macro by centos macro. * Add dependency to SELinux. Signed-off-by: Sébastien Gross <seb•ɑƬ•chezwam•ɖɵʈ•org>
2020-10-27Add pkgconf to Archlinux build depsSébastien Gross
pkgconf is required to build squashf-tools-ng Archlinux package. In some cases it may not be installed (such as in Docker images). Signed-off-by: Sébastien Gross <seb•ɑƬ•chezwam•ɖɵʈ•org>
2020-10-02packaging: fix documentationSébastien Gross
Signed-off-by: Sébastien Gross <seb•ɑƬ•chezwam•ɖɵʈ•org>
2020-10-02DEB: Add documentation in libsquashfs-devSébastien Gross
This patch allows to include Doxygen generated documentation to squashfs development package. Signed-off-by: Sébastien Gross <seb•ɑƬ•chezwam•ɖɵʈ•org>
2020-10-02DEB: Add official debian packaging files.Sébastien Gross
debian build directory has been imported from official Debian package for squashfs-tools-ng version 1.0.2 found on p.d.o: https://packages.debian.org/source/sid/squashfs-tools-ng Signed-off-by: Sébastien Gross <seb•ɑƬ•chezwam•ɖɵʈ•org>
2020-10-02Add README fileSébastien Gross
Comments from all package files have been relocated into the README file. Signed-off-by: Sébastien Gross <seb•ɑƬ•chezwam•ɖɵʈ•org>
2020-10-02PKG: add PKGBUILD to build Archlinux packageSébastien Gross
Signed-off-by: Sébastien Gross <seb•ɑƬ•chezwam•ɖɵʈ•org>
2020-10-02APK: add APKBUILD to build Alpine packageSébastien Gross
Signed-off-by: Sébastien Gross <seb•ɑƬ•chezwam•ɖɵʈ•org>
2020-10-02RPM: Add Fedora, OpenSUSE support and bump to v1.0.2Sébastien Gross
Signed-off-by: Sébastien Gross <seb•ɑƬ•chezwam•ɖɵʈ•org>
2020-09-29Fix: rdsquashfs: describe: don't escape the prefixed file input pathDavid Oberhollenzer
If rdsquashfs describes a filesystem, is configured to use a prefix-path and a file contains a space, the resulting input path has the prefix printed as is and the rest of the string in quotation marks. gensquashfs simply takes the entire rest of the line as is as its input path and no longer finds the file. Fix this by omitting the escapes and quotation marks for the input path. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-29Update tar2sqfs/sqfs2tar documentationDavid Oberhollenzer
Modify the man pages and help texts to mention compression support, make the help option display a list of supported compressors. Also clarify the squashfs compressor list in the help text to state that the list shows block compressors supported for SquashFS compression. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-29Replace file/getline usage with istreamDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-29Add a more usefull getline-like function to libfstreamDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-29libfstream: Rework unix sparse file writingDavid Oberhollenzer
Instead of immediately seeking forward, record the sparse bytes "written" and then do the seek the next time we write data, or do an ftruncate if we do a sync. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-24Fix: tar2sqfs: when skipping non-prefixed files, also skip contentsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-24Fix: tar2sqfs: don't touch the path after determining it is brokenDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-17Add bzip2 library to travis-ci dependenciesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-17Add a check whether libzstd supports stream compressionDavid Oberhollenzer
Streaming compression was added fairly recently to zstd (and then the API was changed a few times). Rather than rely on libzstd versioning macros, this commit adds an m4 script to test at configure time if the enums/functions we need are available by trying to compile a small sample. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-17Fix: add missing compiler/linker flagsDavid Oberhollenzer
If tar2sqfs and sqfs2tar want to use comperssion via libfstream, they need to link against the compressor libraries. Also, libfstream may need the apropriate cflags to access the headers on some platforms. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-16Add bzip2 stream compression supportDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-16Add zstd stream compressor implementation to libfstreamDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-16Re-import crc32 code to builtin zlib copyDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-16Implement input decompression support for tar2sqfsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-16Implement istream decompression supportDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-16Remodel libtar/tar2sqfs to read data from an istream_tDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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