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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 support for negative timestamps in pax headerDavid 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>
2019-06-24Add missing stdint.h header to tar.hDavid 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>
2019-06-23Split up fstree_add_xattrDavid Oberhollenzer
This IMO makes it somewhat easier to read and understand what's going on. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23tar2sqfs: Fix help stringDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23Add block size and device block size options to tar2sqfsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23gensquashfs: Remove rest of read_number from options parserDavid Oberhollenzer
Use a simple strtol for block size and device block size: - We don't need to check the block size, sqfs_super_init does that. - We only need to make sure the device block size is at least 1k. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23Add filesystem defaults option to tar2sqfsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23Add compressor options to tar2sqfsDavid 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>
2019-06-23Move all handling of compressor names to libcompress.aDavid Oberhollenzer
This commit removes handling of compressor names from gensquashfs. Instead, functions are added to libcompress to obtain name from ID, ID from name and to print out defaults. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23gensquashfs: remove command line number parsing codeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23gensquashfs: Fix typo in help textDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-23tar2sqfs: Add some output messages, --quiet flag and --forceDavid Oberhollenzer
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>
2019-06-22Cleanup: unify packdir/packfile based directory changes in gensquashfsDavid Oberhollenzer
This commit removes the packdir/packfile based directory setup magic from fstree_from_file and moves it to gensquashfs. Over there, the common parts are deduplicated. 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>
2019-06-22Cleanup: split fstree sort into 2 fstree independend functionsDavid Oberhollenzer
Make tree node list sort and recursive variant available and independend of the fstree_t. This is considered cleaner, since the fstree_t actually isn't needed for any of this and we can just call the recusvie sort on the root instead, and we can use the sort implementation directly for things like the upcoming unit test. Also this commit splits up the merge/sort implementation into a seperate split and merge functions to make the code somewhat more readable. 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>
2019-06-22simplify SELinux labelingDavid Oberhollenzer
This commit moves the SELinux label code after the tree is sorted and the inode table is generated. Sorting helps to make sure that the tree will always be traversed in a defined, deterministic order and likewise the creation of xattrs happens in a defined, deterministic order. Second, we can now use the inode table instead of having to implement a recursive tree traversal yet again. 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>
2019-06-22fix: actually update permissions in fstree add by pathDavid Oberhollenzer
When creating a directory that has previously been created implicitly, actually update the permissions as the documentation says. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-21fix: flipped conditional in tar header parserDavid 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>
2019-06-20simplify and improve canonicalize_nameDavid Oberhollenzer
- Replace scan and memmove with simple automaton - Convert forward to back slashes, lots of file systems treat them equivalenty, this saves us a few more checks down the road - Remove './' path components. We can saveley remove them in a string processing step instead of throwing an error. Also they actually appear often in tar balls, possibly not under user control. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-19Split generic tar code off to static libraryDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-19Cleanup: split up fstree.cDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-19Cleanup fstree codeDavid Oberhollenzer
Replace default_$FIELD with a struct stat. Merge the rest of add_node/add_file into mknode and add by path+stat. Expose the mknode function and replace all the duplicated node pointer arithmetic magic with a call to mknode. Plus a generic cleanup by utlizing new util functions. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-18Cleanup fstree file parserDavid Oberhollenzer
- use generic struct stat based tree node add function - simplify some of the parsing code Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-17tar2sqfs: rewrite parser to fill struct stat, create tree node from thatDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-17libfstree: add generic function to add node from struct statDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-16sqfs2tar: cleanup tar header generationDavid Oberhollenzer
- use struct stat instead of tree node - compact some of the code Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-15libfstree.a: add function to get struct stat from tree nodeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-15Update READMEDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-15Add man page for tar2sqfsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-15Add utility to turn a POSIX/PAX tar archive into a squashfs imageDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-15Add man page for sqfs2tarDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-15Add utility to turn a squashfs image into a POSIX tar archvieDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-06-15Move super block version check to sqfs_super_readDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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