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2019-09-01Move some application specific stuff out of libutilDavid Oberhollenzer
This commit does the following: - canonicalize_name is moved to libfstree - source_date_epoch is only used inside libfstree, so it's also moved over and can later be completely internalized - print_version is moved over to sqfshelper. Mainly so it doesn't end up in libsquashfs.so for no sane reason. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-31Turn libsquashfs.a into a shared libraryDavid Oberhollenzer
This of course entails turning the entire project over to libtool magic. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-31Merge libcompress.a into libsquashfs.aDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-26Move tar_fuzz program over to testsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-25Add minimal test program for fuzzing the fstree_from_file parserDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-23Some simple search/replace cases for allocationDavid Oberhollenzer
This commit exchanges some malloc(x + y * z) patterns that can be found with a simple git grep and are obvious for the new wrappers. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-20Add simple test case for block processor orderingDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-08-18Replace update_crc32 helper function with crc32 from zlibDavid Oberhollenzer
It is optimized to the maximum and if we already use zlib anyway, why not use zlib crc32? This also makes zlib a hard dependency which also means the whole "do we have a compressor" sanity check in the build system can be removed. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-30Add propper copyright headers to all source filesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-28Add fragment and block checksum fields to file_info_tDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-28Add utility function to compute crc32 check sumsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-24Fix processing of tar mtime on 32 bit systemsDavid Oberhollenzer
struct stat uses time_t to store time values. On some 32 bit systems, this may be a 32 bit integer. This patch adds a broken-out 64 bit time value to tar_header_decoded_t and makes sure to clamp the value to +/- (2^32 - 1) if required when writing it back to a struct stat. Reported-by: Matt Turner <mattst88@gmail.com> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-24cleanup: remove atime/ctime processing codeDavid Oberhollenzer
This commit removes all the code for parsing and processing atime/ctime and values and related test code. Caring about those is kind of pointless because squashfs can only store mtime in inodes. The only relevant place is when generating a struct stat from a squashfs inode or an fstree node. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-24Enable largefile supportMatt Turner
Requires that config.h be included before other headers, since the macro _FILE_OFFSET_BITS changes the definitions of things like 'struct stat'. I chose to simply include it at the top of every C file and at immediately after the double-inclusion guards of every header. Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-21Add simplistic test case for xattr reference countingDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-21Fix fstree_xattr unit testDavid Oberhollenzer
The members have been split up and renamed. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-19Add test case for string tableDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-17fstree: add support for spaces in filenamesDavid Oberhollenzer
This commit adds a mechanism to fstree_from_file to support filenames with spaces in them by quoting the entire string. Quote marks can still be used inside file names by escaping them with a backslash. Back slashes (if that is your thing) can also be escaped. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-16cleanup: move error handling into read_retryDavid Oberhollenzer
If read_retry fails to read the expected amount of data (EOF or otherwise), it is almost always an error. This commit renames read_retry to read_data and moves error handling into the function, making a lot of error handling code redundant. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-07Fix regression in fstree_from_file device node formatDavid Oberhollenzer
The format is documented as "<c|b> major minor" but the parser was accidentally changed to require a colon in between. Fixes: 9864ea5b2045f4bd72633152d71dd1c7f8b0b7f9 Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-07-04libtar: add support for xattr extensionsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-30Add support for gnu pax sparse file formats 0.1 and 1.0David Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-30Add support for gnu pax sparse file format 0.0David Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-30libtar: clarify actual size vs on-disk record sizeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-30Remove star sample for sparse filesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-30Add support for repacking condensed sparse filesDavid Oberhollenzer
This commit broadly does the following things: - Rename and move the sparse mapping structure to libutil - Add a function to the data writer for writing condensed versions of sparse files, given the mapping. - This shares code with the already existing function for regular files. The shared code is moved to a common helper function. - Add support to tar2sqfs for repacking sparse files. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-30tar reader: also store condensed size of sparse filesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-29Add support for reading old style GNU sparse tar file formatDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-28Add tar test samples to distribution tar ballDavid Oberhollenzer
Make sure the unit tests can be run from the distribution tar ball. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-28Regroup tar format testsDavid Oberhollenzer
Instead of having test cases per feature with multiple vendors, pack the tests into test case per vendor with miltiple features. This should make errors easier to find, since the code many vendor extensions is closely related for all features. E.g. breaking pax header parser is will now trigger the pax test case and the others still work, vs all tests breaking because each feature test also tries to read the pax version. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-28Add test case for tar large file size supportDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-28Add basic support for the GNU tar formatDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-27Relax tar header parser to accept pre-posix formatsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-27Remove some of the tar samplesDavid Oberhollenzer
The following samples are removed: - support for long user/group names (we ignore them anyway) - support for sun tar oddities (incompatible & no intention to support it) - support for star oddities (incompatible & no intention to support it) Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-26Add stub test for tar large uid/gid supportDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-26Add stub test for tar large/negative time stamp supportDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-26Add stub test for tar over long file path supportDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-25Add stub test for tar format confirmanceDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-24Import tar reader test casesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23Add basic test case for fstree extended attributesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23Add test case for fstree_init options parsingDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23Move fstree default option processing to fstree codeDavid Oberhollenzer
Instead of decomposing a default string in gensquashfs option processing, move that to fstree_init instead and pass the option string directly to fstree_init. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-22Add very basic test case for fstree_from_fileDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-22fix: always set permissions on symlinks to 0777David Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-22Add test case for tree node sortDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-22Add test case for fstree_get_pathDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-22Add test cases for adding tree node by absolute pathDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-20Add test case for inode number allocationDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-20Add unit testsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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