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2022-07-08Cleanup: move filename_sane & canonicalize_path functions to libutilDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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>
2022-04-10Remove 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>
2021-07-09tar2sqfs: Fix integer truncation issue when appending data to a tarballDavid Oberhollenzer
The data is processed 2G at a time to avoid this exact issue, but the check was skipped on 64 bit systems, since the function *used to* use size_t instead of sqfs_u32. This commit removes the second check. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2021-03-06Cleanup: replace the void-ptr with an inode-ptr in the file tree nodeDavid 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>
2020-09-29Update 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>
2020-09-24Fix: 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>
2020-09-17Fix: 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>
2020-09-16Implement input decompression support for tar2sqfsDavid 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>
2020-06-11Add flags to functions that might logically be expanded in the futureDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-06-02tar2sqfs: add missing copyright headerDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-05-30Cleanup: Reorganize structure of Automake filesDavid Oberhollenzer
- Split up the huge file in bin/ into one small file per sub directory - Remove the stub in doc/ Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-05-30Cleanup: move man pages to the respective program source directoriesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2020-05-30Cleanup: try to split tar2sqfs.c in a reasonable wayDavid Oberhollenzer
This commit breaks tar2sqfs.c into multiple files: - options.c contains the command line argument processing - process_tarball.c contains the main tar repacking code - tar2sqfs.c contains what is left (the main function) - A header is added for gluing it all together. No actual code is changed. The tar repacking code is slightly modified to pass the sqfs writer and input file pointer around as argument rather than using a global variable. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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