Commit Graph

41 Commits

Author SHA1 Message Date
Jakob Borg
c44de2cd58
lib/fs: Clarify errors for Windows filenames (fixes #8968) (#8969)
With this change, error messages include the offending characters or
name parts. Examples:

    nul.txt: name is invalid, contains Windows reserved name: "nul"
    foo>bar.txt: name is invalid, contains Windows reserved character: ">"
    foo \bar.txt: name is invalid, must not end in space or period on Windows
2023-07-07 11:00:40 +00:00
Ross Smith II
3adfe2f91f lib/fs: Fix root path handling for Windows (fixes #8778)
Co-authored-by: Jakob Borg <jakob@kastelo.net>
2023-05-09 10:01:57 +00:00
Jakob Borg
a29605750d
lib/fs: Try to remove read only Windows files (fixes #3744) (#8650)
This happens when folders contain a custom icon.

Co-authored-by: Alexandre Alves <alexandrealvesdb.contact@gmail.com>
2022-11-07 21:33:17 +01:00
Jakob Borg
eb81f7400c
lib/fs: Cache user lookups (#8496) 2022-08-12 07:48:00 +02:00
Jakob Borg
a3c724f2c3
all: Add build constants for runtime.GOOS comparisons (#8442)
all: Add package runtimeos for runtime.GOOS comparisons

I grew tired of hand written string comparisons. This adds generated
constants for the GOOS values, and predefined Is$OS constants that can
be iffed on. In a couple of places I rewrote trivial switch:es to if:s,
and added Illumos where we checked for Solaris (because they are
effectively the same, and if we're going to target one of them that
would be Illumos...).
2022-07-28 19:36:39 +02:00
deepsource-autofix[bot]
755d21953f
all: Remove unused method receivers (#8462)
Co-authored-by: deepsource-autofix[bot] <62050782+deepsource-autofix[bot]@users.noreply.github.com>
2022-07-28 17:32:45 +02:00
deepsource-autofix[bot]
5130c414da
all: Unused parameter should be replaced by underscore (#8464)
Co-authored-by: deepsource-autofix[bot] <62050782+deepsource-autofix[bot]@users.noreply.github.com>
2022-07-28 17:17:29 +02:00
Jakob Borg
adce6fa473
all: Support syncing ownership (fixes #1329) (#8434)
This adds support for syncing ownership on Unixes and on Windows. The
scanner always picks up ownership information, but it is not applied
unless the new folder option "Sync Ownership" is set.

Ownership data is stored in a new FileInfo field called "platform data". This
is intended to hold further platform-specific data in the future
(specifically, extended attributes), which is why the whole design is a
bit overkill for just ownership.
2022-07-26 08:24:58 +02:00
Simon Frei
db72579f0e
lib: Get rid of buggy filesystem wrapping (#8257) 2022-04-10 20:55:05 +02:00
Simon Frei
8763fb05ec
lib/fs: Improve error messages checking file paths (fixes #7942) (#8148) 2022-01-29 18:47:55 +01:00
Audrius Butkevicius
87a0eecc31
lib/fs, lib/api, lib/model: Expose mtime remappings as part of /db/file (#7624)
* lib/fs, lib/api, lib/model: Expose mtime remappings as part of /db/file

* Fix wrong error returned by CLI

* Gofmt

* Better names

* Review comments

* Review comments
2021-05-03 11:28:25 +01:00
Simon Frei
3938b61c3f
lib/fs: Expose fs option on interface (fixes #7385, ref #7381) (#7389) 2021-03-11 15:23:56 +01:00
Simon Frei
aa1c274231
lib/fs: Consider options in case-fs caching (fixes #7371) (#7381) 2021-02-19 11:06:25 +01:00
Simon Frei
0db3b7a530
build: Switch to gopsutil's v3 module (#7191) 2020-12-10 16:43:15 +01:00
Simon Frei
48da6f0f22
lib: Use uint64 for disk stats (ref #3930) (#7019) 2020-10-02 15:22:28 +02:00
Jakob Borg
9e0b924d57
lib/fs: Be more clear about invalid file names (ref #7010) (#7011)
Add specific errors for the failures, resulting in this rather than just
the generic "invalid filename":

[MRIW7] 08:50:50 INFO: Puller (folder default, item "NUL"): syncing: filename is invalid: name is reserved
[MRIW7] 08:50:50 INFO: Puller (folder default, item "fail."): syncing: filename is invalid: name ends with space or period
[MRIW7] 08:50:50 INFO: Puller (folder default, item "sup:yo"): syncing: filename is invalid: name contains reserved character
[MRIW7] 08:50:50 INFO: default: Failed to sync 3 items
2020-09-28 10:22:50 +02:00
Simon Frei
fc2c46e82f
lib/config, lib/fs: Make junction behaviour configurable (ref #6606) (#6907) 2020-08-19 19:58:51 +02:00
xarx00
ee445e35a0
lib/fs: Treat Windows junctions as normal directories (#6606)
Fixes #1830, presumably.
2020-05-13 21:46:24 +02:00
Simon Frei
123941cf62
lib/fs: Basic with empty root shouldn't point at / (#6483) 2020-03-31 13:56:07 +02:00
Simon Frei
35b699dc77 lib/fs: Check events against both the user and eval root (#6013) 2019-09-22 08:03:22 +01:00
Simon Frei
1d182e4631 lib/fs: Use gopsutils for disk usage (#5905) 2019-07-29 20:06:17 +02:00
Simon Frei
486230768e lib/fs, lib/model: Add error channel to Watch to avoid panics (fixes #5697) (#5734)
* lib/fs, lib/model: Add error channel to Watch to avoid panics (fixes #5697)

* forgot unsupported watch

* and more non(-standard)-unixy fixes

* and windows test

* review
2019-05-25 20:08:26 +01:00
Simon Frei
ad5a046843
lib/fs: Rename fsFile* to basicFile* (#5546) 2019-02-24 18:02:02 +01:00
Jakob Borg
75dcff0a0e
all: Copy owner/group from parent (fixes #5445) (#5479)
This adds a folder option "CopyOwnershipFromParent" which, when set,
makes Syncthing attempt to retain the owner/group information when
syncing files. Specifically, at the finisher stage we look at the parent
dir to get owner/group and then attempt a Lchown call on the temp file.
For this to succeed Syncthing must be running with the appropriate
permissions. On Linux this is CAP_FOWNER, which can be granted by the
service manager on startup or set on the binary in the filesystem. Other
operating systems do other things, but often it's not required to run as
full "root". On Windows this patch does nothing - ownership works
differently there and is generally less of a deal, as permissions are
inherited as ACLs anyway.

There are unit tests on the Lchown functionality, which requires the
above permissions to run. There is also a unit test on the folder which
uses the fake filesystem and hence does not need special permissions.
2019-01-25 09:52:21 +01:00
Simon Frei
50ba0fd079 lib/fs: Case insensitive conversion to rel path on windows (fixes #5183) (#5176) 2018-09-11 22:30:32 +02:00
Simon Frei
c62ce007ea lib/fs: Don't add path separators at end of path (fixes #5144) (#5146) 2018-08-28 08:18:55 +02:00
Simon Frei
e20679afe1 lib/fs: Evaluate root when watching not on fs creation (fixes #5043) (#5105) 2018-08-11 22:24:36 +02:00
Simon Frei
01aef75c96 lib/fs: Fix watcher panic due to casing on windows (fixes #4877) (#4878) 2018-04-16 20:07:00 +02:00
Simon Frei
26d87ec3bb lib/fs: Don't panic when watching a folder with symlinked root (#4846) 2018-03-28 22:01:25 +01:00
Simon Frei
8b4346c3ec lib/scanner, lib/fs: Don't create file infos with abs paths (fixes #4799) (#4800) 2018-03-12 13:18:59 +01:00
Simon Frei
6802505dda lib/fs: Fix MkdirAll failure due to \\?\ (fixes #4762) (#4763) 2018-02-16 15:19:20 +01:00
Antony Male
db03562d43 lib/scanner: Fix UTF-8 normalization on ZFS (fixes #4649)
It turns out that ZFS doesn't do any normalization when storing files,
but does do normalization "as part of any comparison process".

In practice, this seems to mean that if you LStat a normalized filename,
ZFS will return the FileInfo for the un-normalized version of that
filename.

This meant that our test to see whether a separate file with a
normalized version of the filename already exists was failing, as we
were detecting the same file.

The fix is to use os.SameFile, to see whether we're getting the same
FileInfo from the normalized and un-normalized versions of the same
filename.

One complication is that ZFS also seems to apply its magic to os.Rename,
meaning that we can't use it to rename an un-normalized file to its
normalized filename. Instead we have to move via a temporary object. If
the move to the temporary object fails, that's OK, we can skip it and
move on. If the move from the temporary object fails however, I'm not
sure of the best approach: the current one is to leave the temporary
file name as-is, and get Syncthing to syncronize it, so at least we
don't lose the file. I'm not sure if there are any implications of this
however.

As part of reworking normalizePath, I spotted that it appeared to be
returning the wrong thing: the doc and the surrounding code expecting it
to return the normalized filename, but it was returning the
un-normalized one. I fixed this, but it seems suspicious that, if the
previous behaviour was incorrect, noone ever ran afoul of it. Maybe all
filesystems will do some searching and give you a normalized filename if
you request an unnormalized one.

As part of this, I found that TestNormalization was broken: it was
passing, when in fact one of the files it should have verified was
present was missing. Maybe this was related to the above issue with
normalizePath's return value, I'm not sure. Fixed en route.

Kindly tested by @khinsen on the forum, and it appears to work.

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4646
2018-01-05 18:11:09 +00:00
Jakob Borg
a9f0659f2f lib/fs: Handle deduplicated files on NTFS (fixes #1845)
These files always have the symlink bit set, because they are reparse
points. Nonetheless they are not symlinks, and Lstat reports a size for
them. We use this fact to disambiguate, and hope fervently that nothing
else matches this description so it comes back to bite us...

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4622
2017-12-29 21:23:06 +00:00
Audrius Butkevicius
622b614f31 all: Ignore Sync errors on directories (fixes #4432)
GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4449
2017-10-21 22:00:46 +00:00
Audrius Butkevicius
5ec1490be0 lib/fs: Ignore directory fsync failures 2017-10-12 08:22:29 +02:00
wangguoliang
a9aa375109 lib/fs: Comment typo
Skip-check: authors

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4354
2017-09-07 09:40:46 +00:00
Audrius Butkevicius
3d8b4a42b7 all: Convert folders to use filesystem abstraction
GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4228
2017-08-19 14:36:56 +00:00
Jakob Borg
d6fbfc3545 lib/fs, lib/model, lib/scanner: Make scans cancellable (fixes #3965)
The folder already knew how to stop properly, but the fs.Walk() didn't
and can potentially take a very long time. This adds context support to
Walk and the underlying scanning stuff, and passes in an appropriate
context from above. The stop channel in model.folder is replaced with a
context for this purpose.

To test I added an infiniteFS that represents a large amount of data
(not actually infinite, but close) and verify that walking it is
properly stopped. For that to be implemented smoothly I moved out the
Walk function to it's own type, as typically the implementer of a new
filesystem type might not need or want to reimplement Walk.

It's somewhat tricky to test that this actually works properly on the
actual sendReceiveFolder and so on, as those are started from inside the
model and the filesystem isn't easily pluggable etc. Instead I've tested
that part manually by adding a huge folder and verifying that pause,
resume and reconfig do the right things by looking at debug output.

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4117
2017-04-26 00:15:23 +00:00
Jakob Borg
4253f22680 lib/scanner: Use fs.Filesystem for all operations
One more step on the path of the great refactoring. Touches rwfolder a
little bit since it uses the Lstat from fs as well, but mostly this is
just on the scanner as rwfolder is scheduled for a later refactor.

There are a couple of usages of fs.DefaultFilesystem that will in the
end become a filesystem injected from the top, but that comes later.

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4070
LGTM: AudriusButkevicius, imsodin
2017-04-01 09:04:11 +00:00
Jakob Borg
f7fc0c1d3e all: Update license url to https (ref #3976) 2017-02-09 08:04:16 +01:00
Jakob Borg
fc1430aa92 lib/fs: The interface and basicfs
GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/3748
2016-11-24 12:07:14 +00:00