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The "from dir" and from "from file" code, as well as the "sort file"
code is specific to gensquashfs, so move them there and the test
cases as well.
The medium term idea is to reduce libfstree to a stub, merge it into
the generic writer and ultimately hoist that into libsquashfs.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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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>
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This has basically been copied over from Musl and slightly modifed.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Since the canonicalize_name function only fails if the path
contains ".." and the one we are constructing from the scanned
fstree (built using canonicalized names), it should NEVER fail.
However, coverity does get concerned, because we are checking the
return value elesewhere. So do what we do at other, similar locations
and add an assert().
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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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>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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In libtar, set a special flag if the header is actually a hard link.
In tar2sqfs, create a hard link node and skip the rest for hard links.
Also refues to set the root attributes from a hard link, it may refere
to a node that we have missed earlier, there is nothing else that we
can do here.
In fstree_from_file, add a "link" command for adding hard links.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The MSVC runtime is a wierdo C89 platform with some cherry picked
features from C99 (which does not include the "%zu" format specifier).
This commit adds a macro with a size dependend format specifier to
be used instead.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The file_info_t no longer stores the size or other such information,
so there is no need to do a stat on the input file. This also means
that gensquashfs no longer needs to change the working directory when
using the function.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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- We don't have "endian.h" everywhere. On some BSDs its in sys and
on some BSDs the macros have different names.
- We definitely don't have sysmacros.h on non-Unix-like systems.
- Likewise for sys/types.h, sys/stat.h and their contents.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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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>
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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>
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First of all, this commit adds a mod_time field to a tree node. When
creating the tree node, the field is set from the struct stat. When
scanning a directory, the time stamps from the input are used if set.
Second, the libsqfs code that reads inodes is modified to store the
mod_time from the inode in the fstree node and to write the tree node
into a generated inode.
Finally, tar2sqfs is modified to optionally keep the timestamps from
the tar archive instead of setting defaults. gensquashfs is similarly
modified to keep the input timestamps if specified.
The result is as follows:
- sqfs2tar will always carry the timestamps from the squashfs over
to the tar ball.
- tar2sqfs will set defaults, unless explicitly asked to preserve
the mtime from the tar ball.
- gensquashfs can optionally preserve the mtime from the input
hierarchy it processes if only --pack-dir is specified.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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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>
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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>
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Bug found using scan-build.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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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>
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- 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>
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This commit replaces the chdir to the input directory with pushd/popd
when building the fstree and again when packing files.
This simplifies handling of other file paths given on the command line
that have to be accessed and are relative to the original working
directories.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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If packdir and packfile are both specified, use packdir as
alternate root.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This makes path handling a lot easier. We no longer need to paste paths
together to get input file relative paths, since we are in the same
directory.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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- accept "nod" line as advertised, i.e. with space instead of colon
- actually accept "sock" line (copy & paste fail)
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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