Commit Graph

24 Commits

Author SHA1 Message Date
Christian Ebner 48a4509c67 src/pxar/encoder.rs: fix bug with incorrect offset stored in goodbye table
Commit cd7dc87903 introduced the special treatment
for .pxarexclude files when stored in the archive.
The incorrect placement of a code snipplet from this path leads to an incorrect
offset and size stored in the goodbye table.
This fix places the start to the correct position, restoring the previously
correct behaviour.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-07-05 06:39:39 +02:00
Christian Ebner 0d70535a36 src/pxar/encoder.rs: refactor simple match statements to map_err()
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-07-03 12:18:36 +02:00
Wolfgang Bumiller f35197f449 replace tools::vec with proxmox::tools::vec
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
2019-07-01 11:03:25 +02:00
Christian Ebner cd7dc87903 pxar: impl .pxarexclude parsing and exclude matching
.pxarexclude files allow to exclude or include parts of a subtree by matching
with a glob pattern. The globs are used according to the matches of fnmatch.
In addition '**' can be used to match multiple directories within the path.

Order of the entries matter, as later ones win over previous ones.
As the .pxarexclude files can be placed at any node of the directory hirarchy,
this implies that matching child entries win over parent entries.
The only exception to this behaviour is, when a parent entry already fully
matched the path, thereby excluding the child entries which would match
otherwise.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-06-24 10:26:20 +02:00
Christian Ebner e993db91cd pxar: introduce fs_feature_flags obtained from filesystem magic in Encoder
Not all filesystems support features such as xattrs,acl,... and trying to get
them is rather expensive.
By getting the supported features based on the filesystem magic and masking the
user set feature flags, unsupported features are excluded rather inexpensively
while encoding the archive.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-06-07 11:08:20 +02:00
Christian Ebner 1f319e766e src/pxar/encoder.rs: refactoring: use ioctl calls from src/tools/fs.rs instead of local
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-06-07 11:08:06 +02:00
Christian Ebner 9b77388f2a src/pxar/encoder.rs: minor refactoring
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-06-07 11:07:55 +02:00
Christian Ebner a4cc8eb7c5 src/pxar/encoder.rs: check if ioctl supported by filesystem
Reading the quota project id relies on a ioctl call to get fsxattr.
On FUSE filesystems, ioctl calls might not be supported and will fail with
an errno indicating no support.
For these cases, the error is ignored and the default project id is used
(indicated by returning Ok(None)).

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-06-07 11:07:31 +02:00
Dietmar Maurer 1ce2f7cfb9 src/pxar/encoder.rs: style fix 2019-06-05 06:27:39 +02:00
Christian Ebner e7b60a16c8 pxar: impl storing/dumping/restoring of quota project ids
Allows to store/dump/restore the quota project id associated with an inode in
order to correctly restore project quotas.
The project id is obtained/set via ioctl calls getting/setting the fsxattr
associated with the given file descriptor.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-06-05 06:26:02 +02:00
Dietmar Maurer 1c0472e88f avoid compiler warnings 2019-06-03 06:43:47 +02:00
Christian Ebner 9b38443314 pxar: change logic and impl all command line flags for xattrs/fcaps/acls
Allows to individually set the flags for storing/dumping/restoring of
xattrs/fcaps/acls in the cli of pxar.
Changes logic so that each of them can be threated individually.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-05-29 06:51:20 +02:00
Christian Ebner ab87f167f1 src/pxar/encoder.rs: Refactor file stat
Introduce helper functions to check file stats

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-05-28 06:23:49 +02:00
Christian Ebner 578b601159 src/pxar/encoder.rs: Don't bail if endpoint does not support xattrs.
The encoder bailed if a endpoint which did not support xattrs was encountered.
Instead of bailing, we ignore these errors and simply do not store xattrs for
such endpoints.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-05-28 06:22:16 +02:00
Christian Ebner 6a19448004 src/pxar/encoder.rs: impl support to store ACLs in pxar achives
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-05-24 06:21:33 +02:00
Christian Ebner b344461b33 pxar: pass feature_flags to encoder/decoder instead of individual flags
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-05-24 06:11:36 +02:00
Christian Ebner 357e4614e2 Minor refactoring of pxars xattr encoder/decoder, mostly reformatting and renaming.
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-05-24 06:11:36 +02:00
Wolfgang Bumiller 8ea3b1d188 tree-wide: use the new vec/io tools modules
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
2019-05-23 09:49:10 +02:00
Christian Ebner a45a123950 src/pxar/encoder: Use encoder feature_flags, do not store them within the archive.
Instead of testing and storing the feature_flags in the pxar archive, set and use
the feature flags within the encoder.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-05-23 06:34:36 +02:00
Christian Ebner b303057a19 src/pxar/encoder.rs: impl functionality to encode xattrs/fcaps in pxar
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
2019-05-21 06:06:26 +02:00
Dietmar Maurer af572aaa4c pxar: implement hardlinks
So we are no longer compatible with catar ...
2019-03-16 11:02:12 +01:00
Dietmar Maurer 812dd935ce src/pxar/encoder.rs: detect hardlinks 2019-03-15 12:19:51 +01:00
Dietmar Maurer 3dbfe5b142 simplify pxar module structure 2019-03-15 08:24:32 +01:00
Dietmar Maurer 8968258b66 rename catar into pxar
To avoid confusion with the casync implementation.
2019-03-14 10:54:09 +01:00