Adding flags allows to use inomap in reverse mode,
replacing the clunky inoBaseDirIV/inoBaseNameFile
logic that causes problems with high underlying
inode numbers ( https://github.com/rfjakob/gocryptfs/issues/457 )
Microbenchmarks (values below) show that the "SingleDev"
case is now much slower due to an extra map lookup,
but this has no visible effects in ./test.bash results,
so there was no time spent optimizing the case further.
$ go test -bench=.
goos: linux
goarch: amd64
pkg: github.com/rfjakob/gocryptfs/internal/inomap
BenchmarkTranslateSingleDev-4 18757510 61.5 ns/op
BenchmarkTranslateManyDevs-4 18061515 64.5 ns/op
PASS
ok github.com/rfjakob/gocryptfs/internal/inomap 2.467s
The comment still mentioned CBC, which has been removed
a long time ago.
The test definition can be rewritten using slice literals,
saving sume stuttering.
We used to prefer openssl in this situation, which
used to make sense, but now Go gained an optimized
assembly implementation for aes-gcm on arm64 with
aes instructions:
root@q1:~/go/src/github.com/rfjakob/gocryptfs# ./gocryptfs -speed
gocryptfs v1.7.1-46-g73436d9; go-fuse v1.0.1-0.20190319092520-161a16484456; 2020-04-13 go1.14.2 linux/arm64
AES-GCM-256-OpenSSL 212.30 MB/s (selected in auto mode)
AES-GCM-256-Go 452.30 MB/s
AES-SIV-512-Go 100.25 MB/s
XChaCha20-Poly1305-Go 137.35 MB/s
https://github.com/rfjakob/gocryptfs/issues/452
We used to restrict setting xattrs to the "user."
namespace. I don't see a real reason for this
anymore, and it causes trouble for users who are using
acls.
Tests will be added in the next commit.
https://github.com/rfjakob/gocryptfs/issues/453
Now that I have discovered golang.org/x/sys/cpu and that Go
versions below 1.6 are uncommon, there was not much useful
code left in prefer_openssl.
Merge the remains into stupidgcm.
Error from Travis CI was:
+GOOS=darwin
+GOARCH=amd64
+go build -tags without_openssl
# github.com/rfjakob/gocryptfs/internal/fusefrontend
internal/fusefrontend/fs.go:88:45: cannot use st.Dev (type int32) as type uint64 in argument to openfiletable.NewInumMap
Add uint64 to fix it.
The comment is outdated, at this point, we should
really not get any errors from ReadDirIVAt.
The change is best seen when running the fsck tests. Before:
fsck: error opening dir "missing_diriv": 2=no such file or directory
After:
OpenDir "K2m0E6qzIfoLkVZJanoUiQ": could not read gocryptfs.diriv: no such file or directory
fsck: error opening dir "missing_diriv": 5=input/output error
See https://github.com/rfjakob/gocryptfs/issues/403 , where
the extra info would have been helpful.
This was meant as a way to inform the user that
something is very wrong, however, users are hitting
the condition on MacOS due to ".DS_Store" files, and
also on NFS due to ".nfsXXX" files.
Drop the whole thing as it seems to cause more pain
than gain.
Fixes https://github.com/rfjakob/gocryptfs/issues/431
Closing the fd means the inode number may be reused immediately
by a new file, so we have to get the old fileID out of the table
beforehand!
Hopefully fixes https://github.com/rfjakob/gocryptfs/issues/363
Error was
+GOOS=darwin
+GOARCH=amd64
+go build -tags without_openssl
# github.com/rfjakob/gocryptfs/internal/syscallcompat
internal/syscallcompat/unix2syscall_darwin.go:22:32: u.Atimespec undefined (type unix.Stat_t has no field or method Atimespec)
internal/syscallcompat/unix2syscall_darwin.go:23:32: u.Mtimespec undefined (type unix.Stat_t has no field or method Mtimespec)
internal/syscallcompat/unix2syscall_darwin.go:24:32: u.Ctimespec undefined (type unix.Stat_t has no field or method Ctimespec)
caused by 87c872767d (diff-4913a9178621eadcdf191db17915fbcb)
When we run tests as root, they will leave root-owned files
in testParentDir, which causes trouble when we run tests as
a normal user later on. Split by UID.
CheckTrailingGarbage was called even when "-passfile" was
used, which is stupid, and causes false positives:
https://github.com/rfjakob/gocryptfs/issues/391
(false error "Received trailing garbage after the password"
when using -passfile in .bash_profile)
Instead of trying to improve the logic to handle that case
and make everything even more complicated, delete the function.
It is unclear if actually helps in some cases, and it definitely
harms as shown by the above bug report.
This adds support for gitignore-like wildcards and exclude patters in
reverse mode. It (somewhat) fixes#273: no regexp support, but the
syntax should be powerful enough to satisfy most needs.
Also, since adding a lot of --exclude options can be tedious, it adds
the --exclude-from option to read patterns from a file (or files).
Trezor support has been broken since Sept 2018
( https://github.com/rfjakob/gocryptfs/issues/261 ).
Disable trezor.go by renaming to trezor.go.broken.
This keeps "dep" from having to pull in A LOT OF dependencies:
Before:
$ du -sh vendor/
49M vendor/
After:
$ du -sh vendor/
16M vendor/
This fixed the "Permission denied" bug, but still has the problem that
the directory may be replaced behind our back. Mitigated by the fact
that we skip the workaround when running as root with -allow_other.
https://github.com/rfjakob/gocryptfs/issues/354
In the error case, buf was not restored to the original
capacity. Instead of truncating "buf" and restoring (or forgetting to restore)
later, introduce the "data" slice.
Fixes https://github.com/rfjakob/gocryptfs/issues/356
For Linux, everything effectively stays the same. For both path-based and
fd-based Utimens() calls, we use unix.UtimesNanoAt(). To avoid introducing
a separate syscall wrapper for futimens() (as done in go-fuse, for example),
we instead use the /proc/self/fd - trick.
On macOS, this changes quite a lot:
* Path-based Utimens() calls were previously completely broken, since
unix.UtimensNanoAt() ignores the passed file descriptor. Note that this
cannot be fixed easily since there IS no appropriate syscall available on
macOS prior to High Sierra (10.13). We emulate this case by using
Fchdir() + setattrlist().
* Fd-based Utimens() calls were previously translated to f.GetAttr() (to
fill any empty parameters) and syscall.Futimes(), which does not does
support nanosecond precision. Both issues can be fixed by switching to
fsetattrlist().
Fixes https://github.com/rfjakob/gocryptfs/issues/350
This should get rid of
Openat: O_NOFOLLOW missing: flags = 0x0
Fchmodat: adding missing AT_SYMLINK_NOFOLLOW flag
sys_common_test.go:203: chmod on symlink should have failed, but did not. New mode=0333
UnmountErr: "[...]/057376762.mnt" was not found in MountInfo, cannot check for FD leak
and add some context to
--- FAIL: TestUtimesNano (0.00s)
matrix_test.go:628: no such file or directory
See https://github.com/rfjakob/gocryptfs/pull/343#issuecomment-453888006
for full test output
