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2022-07-08Cleanup: split libtar header, move to sub directoryDavid Oberhollenzer
Some of the on-disk format internals are moved to a separate header and some of the stuff from internal.h is moved to that format header. C++ guards are added in addtion. Everything PAX related is moved to pax_header.c, some internal functions are marked as static. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2022-07-08Cleanup: rename libfstream to libio, split headersDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2022-07-08Cleanup: move libutil headers to sub directoryDavid Oberhollenzer
Move all the libutil stuff from the toplevel include/ to a util/ sub directory and fix up the includes that make use of them. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2022-04-10Remove builtin copy of zlibDavid Oberhollenzer
On GNU/Linux, *BSD or MacOS we can simply use the system default library. The copy was primarily only there for the Windows build. The build script for Windows has now been adapted to download and compile a shared library from a tarball. This removes a huge chunk of code from the git tree as well as the release tarballs. Additionally it gets rid of iffy things like removing the Zlib copyright/version strings, so the libsquashfs DLL doesn't export it. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2022-03-30Cleanup: remove struct stat from libtarDavid Oberhollenzer
The idea was originally to use struct stat in the libfstree code, so we can simply hose data read from a directory into the fstree_t. The struct was then also used with libtar, for simpler interoperation, but it turned out to introduce a lot of platform quirks and causes more trouble than it's worth. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2022-03-30Fix: unit test and sample program Windows buildDavid Oberhollenzer
Now that there is a wrapper for main() on Windows, all executable programs must use a common, cannonical signature for main(). Furthermore, the Windows version of the epoch test needs wrappers for setenv/unsetenv. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2022-03-30Add a rudimentary unit test for sort filesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2022-03-30Add a unit test for the SOURCE_DATE_EPOCH logicDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2022-03-30Cleanup: remove node sorting from libfstreeDavid Oberhollenzer
Always insert the tree nodes in the correct oder and remove the post-process sorting step. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-12-05Fix: unit test and sample program Windows buildDavid Oberhollenzer
Now that there is a wrapper for main() on Windows, all executable programs must use a common, cannonical signature for main(). Furthermore, the Windows version of the epoch test needs wrappers for setenv/unsetenv. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-09-13Fix struct offset testing in ABI test caseDavid Oberhollenzer
The intention of the (severely incomplete) ABI test case is to detect changes to the ABI of libsquashfs. Currently it tries to blurt out if the layout of some structure is changed unintentionally. Unfortunately, the test uses some unportable assumptions. Among other things, it was assumed that a 64 bit field will always require 64 bit alignment. This is apparently no the case on 32 bit x86. This patch makes the check work on 32 bit and 64 bit x86, by adding an additional runtime check that relies on the __alignof__ extension offered by gcc and clang (the only 2 compilers that are really supported at the moment). Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-08-15Fix checksums for the corpora testsDavid Oberhollenzer
Due to the change in directory size accounting, the checksums no longer matched. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-08-14Add a test case for the path traversal bugDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-07-09ABI test: add sizes/layouts of structures likely to be expandedDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-06-25Add a somewhat more extensive tar2sqfs test scriptDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-06-25Remove casual un-const casting in various placesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-06-23Fix: add missing zlib to fstream if using the builtin oneDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-06-04Add a test case for concatenated zstd streamsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-06-04Add test case for Bzip2 stream concatenation, fix XZ test caseDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-05-17Add Automake conditional for zstd stream compression supportDavid Oberhollenzer
In addition to the preprocessor define, use an Automake conditional for optional compilation of the zstd stream tests. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-05-09Add a test case for XZ stream concatenationDavid Oberhollenzer
A modified version of the libfstream XZ stream uncompress test case is added that deliberately chops the compressed data up into two independend XZ streams to test the behaviour where the decompressor has to read across stream boundaries, like those resulting from parallel compression. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-05-09Add a basic de-compressor stream testDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-29Fix build failure if tools are disabledDavid Oberhollenzer
The xattr_benchmark program requires libcommon.a, which isn't built if the tools are not built. Since the intention of the --without-tools switch is to build libsquashfs only, this commit makes the xattr_benchmark build depend on BUILD_TOOLS. Reported-by: Matt Turner <mattst88@gmail.com> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-25libfstree: Allow / as argument for "glob" and "dir" commandsDavid Oberhollenzer
This allows putting globbed files & directories into the filesystem root, as well as explicitly setting attributes of the root directory from the file lisiting. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-24Fix reference of the pack_dir_root testDavid Oberhollenzer
For the test, we pack the license ifle directory. The musl license text got added, so the result changed. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-22Cleanup the block processor file structureDavid Oberhollenzer
A cleaner separation between common code, frontend code and backend code is made. The "is this byte blob zero" function is moved out to libutil (with test case and everything) with a more optimized implementation. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-21Add a thread pool implementation to libutilDavid Oberhollenzer
The thread pool enforces ordering of items during dequeue similar to the already existing implementation in libsqfs. The idea is to eventually pull this functionality out of the block processor and turn it into a cleaner, separately tested module. The thread pool is implemented as an abstract interface, so we can have multiple implementations around, including the serial fallback implementation which we can then *always* test, irregardless of the compile config and run through static analysis as well. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-07Rewrite the str_table to internally use the more opimized hash_tableDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-07Add a simple benchmark program for the xattr key/value recorderDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-06Fix wrong byte-swap macro in libsqfs table testDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-06Fix libsqfs test build on OS XDavid Oberhollenzer
Add the missing compat.h header include so we have the correct endian conversion macros. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-06Add a simple test case for the xattr_writer_tDavid Oberhollenzer
The test case basically adds a few key/value pairs and make sure they are deduplicated correctly, including a case where they are added in a different order and a case where the value is stored OOL. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-06Add a basic test case for the libsqfs table codeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-06Add a context pointer to the rbtree key comparisonDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-06Add a copy function to the rb-tree implementationDavid Oberhollenzer
If we use the rb-tree in libsquashfs objects, we need to be able top copy an entire tree as part of the object. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-06Cleanup: add some structure to the test directoryDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-05Remove lz4 & zstd from corpus testDavid Oberhollenzer
Relying on the output of a compressor to exactely match an expected output is already not really a great idea, but for gzip, xz and lzo it has worked remarkably well so far. Perhaps because those are rather old and don't have much active development going on besides bug fixing. On the other hand, lz4 and zstd which are much younger seem to have more development going on and keep breaking between versions. This commit removes the zstd & lz4 corpus tests. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-02-19libfstree: reject unknown glob options to allow future expansionsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-02-19Add simple test cases for fstree globbingDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-02-19fstree_from_file: Implement basic file globbingDavid Oberhollenzer
The base path is passed to the fstree_from_file function and in turn to the individual callbacks. The line parsing function is modified to allow '*' as mode, uid and gid for specifically marked callbacks. A glob callback is added that internally uses the fstree_from_dir scanning functions in combination with a filter callback. Directory scanning flags are parsed from the extra arguments before interpreting it as a path fragment. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-02-19libfstree: Add a filter callback to the directory scanning functionDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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>
2020-12-15Add a simple test case for the directory scanning codeDavid 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>
2020-10-31Fix 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>
2020-09-29Replace 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>
2020-09-16Remodel libtar/tar2sqfs to read data from an istream_tDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-09-03Remove tar test cases for file flags (not applicable)David Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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