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2019-05-04rdsquashfs: add ability to unpack only a sub tree of the file systemDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-04Rename tools to not collide with squashfs-toolsDavid Oberhollenzer
This commit changes the names of the tools to gensquashfs and rdsquashfs so they don't collide with the names used by the squashfs-tools package and the two can be installed side by side. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-04Rename lzma compressor to xz, zlib compressor to gzipDavid Oberhollenzer
Stick to the terminology that SquashFS uses. SquashFS uses "lzma" to refere to lzma1, "xz" to refere to lzma2 and confusingly "gzip" to refere to raw zlib deflate. We can avoid a lot of confusion by _consistently_ using the same terminology. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-04Remove compressor internal buffersDavid Oberhollenzer
Pass in an external destination buffer + size and allow for propper bounds checking (especially when unpacking). Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-03unsquashfs: add flags to filter what file types to unpackDavid Oberhollenzer
This allows the user to skip stuff like device special files (which non-root can't create anyway) or to not create symlinks/fifos etc... Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-03unsquashfs: add code to unpack the entire file systemDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-03unsquashfs: print file size and symlink targetsDavid Oberhollenzer
Behave somewhat like `ls -l' does by printing the size of the entry (or major/minor device number for devices) between the UID/GID column and the name column. For symlinks, print and arrow and the symlink target after the name. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-03unsquashfs: add file data extractionDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-03unsquashfs: add argument processing, file listing parameterDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-03unsquashfs: restore fstree from imageDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-03unsquashfs: add function to turn inode into fs tree nodeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-02unsquashfs: read ID table from fileDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
2019-05-02Add unsquashfs stubDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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