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2020-07-17v2api: implement ctlsocksrv.InterfaceJakob Unterwurzacher
2020-07-14v2api: implement Getxattr, Setxattr, Removexattr, ListxattrJakob Unterwurzacher
gocryptfs/tests/xattr passes.
2020-07-12v2api: Setattr: fill `out` structureJakob Unterwurzacher
2020-07-12v2api: fix MkfifoJakob Unterwurzacher
2020-07-12v2api: properly implement Node.SetattrJakob Unterwurzacher
We used to always open a *File2 and letting the *File2 handle Setattr. This does not work it we cannot open the file! Before: $ go test 2020/07/12 20:14:57 writer: Write/Writev failed, err: 2=no such file or directory. opcode: INTERRUPT 2020/07/12 20:14:57 writer: Write/Writev failed, err: 2=no such file or directory. opcode: INTERRUPT --- FAIL: TestLchown (0.00s) matrix_test.go:634: lchown /tmp/gocryptfs-test-parent-1026/014500839/default-plain/symlink: too many levels of symbolic links touch: setting times of '/tmp/gocryptfs-test-parent-1026/014500839/default-plain/utimesnano_symlink': Too many levels of symbolic links --- FAIL: TestUtimesNanoSymlink (0.00s) matrix_test.go:655: exit status 1 --- FAIL: TestMkfifo (0.00s) matrix_test.go:755: file exists --- FAIL: TestMagicNames (0.00s) matrix_test.go:773: Testing n="gocryptfs.longname.QhUr5d9FHerwEs--muUs6_80cy6JRp89c1otLwp92Cs" matrix_test.go:773: Testing n="gocryptfs.diriv" matrix_test.go:815: open /tmp/gocryptfs-test-parent-1026/014500839/default-plain/linktarget: permission denied --- FAIL: TestChmod (0.00s) matrix_test.go:840: chmod 444 -> 000 failed: permission denied matrix_test.go:840: chmod 444 -> 111 failed: permission denied matrix_test.go:840: chmod 444 -> 123 failed: permission denied matrix_test.go:840: chmod 444 -> 321 failed: permission denied FAIL exit status 1 FAIL github.com/rfjakob/gocryptfs/tests/matrix 0.790s After: $ go test --- FAIL: TestMkfifo (0.00s) matrix_test.go:755: file exists --- FAIL: TestMagicNames (0.00s) matrix_test.go:773: Testing n="gocryptfs.longname.QhUr5d9FHerwEs--muUs6_80cy6JRp89c1otLwp92Cs" matrix_test.go:773: Testing n="gocryptfs.diriv" matrix_test.go:815: open /tmp/gocryptfs-test-parent-1026/501766059/default-plain/linktarget: permission denied --- FAIL: TestChmod (0.00s) matrix_test.go:849: modeHave 0644 != modeWant 0 FAIL exit status 1 FAIL github.com/rfjakob/gocryptfs/tests/matrix 0.787s
2020-07-12v2api: Getattr: use file handle if passedJakob Unterwurzacher
2020-07-12v2api: Getattr: fix file sizeJakob Unterwurzacher
2020-07-12v2api: call InitSerializerJakob Unterwurzacher
If we don't, reads hang with -serialize_reads.
2020-07-12v2api: fix Rename trying to overwrite itselfJakob Unterwurzacher
We used to do this [pid 99182] renameat2(14, "Y_4DAxKvj1QnXmJx2AkrKA", 15, ".", RENAME_NOREPLACE <unfinished ...> which was not the intention.
2020-07-12v2api: fix Mkdir crash when using plaintextnamesJakob Unterwurzacher
2020-07-12v2api: fix double-lock in truncateJakob Unterwurzacher
2020-07-12v2api: File2: implement Release, Read, Write, Fsync, Flush, AllocateJakob Unterwurzacher
Fortunately, this just means fixing up the function signatures.
2020-07-11v2api: fix RootNode castJakob Unterwurzacher
2020-07-11v2api: fix TestOpenBackingDirJakob Unterwurzacher
2020-07-11v2api: implement RenameJakob Unterwurzacher
2020-07-11v2api: remove OpenatUserCtx, MknodatUserCtx helpersJakob Unterwurzacher
Instead, use the new toFuseCtx() function introduced in an earlier commit.
2020-07-11v2api: implement SymlinkJakob Unterwurzacher
2020-07-11v2api: implement LinkJakob Unterwurzacher
2020-07-11v2api: implement MknodJakob Unterwurzacher
2020-07-11v2api: implement StatfsJakob Unterwurzacher
2020-07-05v2api: list interfaces to be implementedJakob Unterwurzacher
2020-07-05v2api: implement SetattrJakob Unterwurzacher
2020-07-05v2api: implement OpendirJakob Unterwurzacher
2020-07-04v2api: merge openBackingDir into root_node.goJakob Unterwurzacher
2020-07-04v2api: implement Open()Jakob Unterwurzacher
2020-07-04v2api: add prepareAtSyscall helperJakob Unterwurzacher
2020-07-04v2api: implement ReadlinkJakob Unterwurzacher
2020-06-21v2api: implement UnlinkJakob Unterwurzacher
2020-06-21v2api: implement RmdirJakob Unterwurzacher
2020-06-21v2api: implement MkdirJakob Unterwurzacher
2020-06-21v2api: implement CreateJakob Unterwurzacher
2020-06-21v2api: collect RootNode code in root_node.goJakob Unterwurzacher
2020-06-21v2api: implement GetAttr and ReaddirJakob Unterwurzacher
2020-06-21v2api: implement Lookup()Jakob Unterwurzacher
Compiles, but untested otherwise. No caching.
2020-06-21v2api (go-fuse v2 api): initial noop implementationJakob Unterwurzacher
Compiles and mounts but does nothing useful.
2020-05-24Revert "fusefrontend: don't always clear the dircache in Rename"Jakob Unterwurzacher
As noticed by @slackner in https://github.com/rfjakob/gocryptfs/commit/cb8872577d66ff0fc38bcd70493be06bc0f34ffa#commitcomment-39405233 , this is not safe. This reverts commit cb8872577d66ff0fc38bcd70493be06bc0f34ffa.
2020-05-24fusefrontend: don't always clear the dircache in RenameJakob Unterwurzacher
When filename encryption is on, we do know when we overwrite a directory, and can clear only in this case. sshfs-benchmark.bash: sshfs gocryptfs-on-sshfs git init 1.74 7.80 rsync 6.19 11.63
2020-05-24fusefrontend: don't clear dircache on MkdirJakob Unterwurzacher
Mkdir can not cause existing entries in the cache to go stale. So don't clear it. Benchmark results: sshfs-benchmark.bash: sshfs gocryptfs-on-sshfs git init 1.65 8.74 rsync 6.09 17.54
2020-05-17dircache: increase cache size & lifetimeJakob Unterwurzacher
Looking at the dircache debug output, we see that a "git status" workload has a very bad cache hit rate because the entries expire or get evicted before they can be reused. Increase both cache size and lifetime for a 4x speedup: Before: 75s After: 17s https://github.com/rfjakob/gocryptfs/issues/410
2020-05-17dircache: improve debug messagesJakob Unterwurzacher
Before: Lookup "errno.html/1/2/3/4/5": miss Store: "errno.html/1/2/3/4/5" fd=26 iv=21be6e083d60dcabfe7368264d5082b7 Lookup "errno.html": hit 25 6d68a16d217978915036a3bd55428ae7 Lookup "errno.html/1": hit 25 932a464c299b3430c5e55c924f98ac4d Lookup "errno.html/1/2": hit 25 7d53348b1692d537f017bf86b3cf5feb Lookup "errno.html/1/2/3": hit 25 2aef1c9d1ab2b55b163215053fefe703 Lookup "errno.html/1/2/3/4": hit 25 cb802be53721c46a46247c5e4e0f4ce6 Lookup "errno.html/1/2/3/4": hit 25 cb802be53721c46a46247c5e4e0f4ce6 Lookup "errno.html": hit 25 6d68a16d217978915036a3bd55428ae7 After: Lookup "earlyoom/.git/refs" hit fd=10 dup=17 iv=6ae2cecd269a25e8d946aff6afe9b8b8 Lookup "earlyoom/.git/refs/remotes" hit fd=19 dup=17 iv=f04c2d2a5bcc33ebdeaca664859c980d Lookup "earlyoom/.git/refs/remotes/origin" miss Store "earlyoom/.git/refs/remotes/origin" fd=17 iv=834a64a1697c9f5705455ba6dbed22b5 Lookup "earlyoom" hit fd=7 dup=25 iv=2303a892d6e2357c483574a8070b7679 Lookup "earlyoom/.git" hit fd=11 dup=25 iv=d43ca4aff23720c57789c9f62f0aee00 Lookup "earlyoom/.git" hit fd=11 dup=25 iv=d43ca4aff23720c57789c9f62f0aee00 Lookup "earlyoom/.git/refs" hit fd=10 dup=25 iv=6ae2cecd269a25e8d946aff6afe9b8b8 Lookup "earlyoom/.git/refs/heads" hit fd=13 dup=25 iv=f9245e7c066b9adc768a1a666da9fbc8
2020-05-17Update go-fuse import path to github.com/hanwen/go-fuse/v2Jakob Unterwurzacher
We need https://github.com/hanwen/go-fuse/commit/fd7328faf9fdf75709f7ba7df7072aaf4eeb18b3 to fix a crash reported in https://github.com/rfjakob/gocryptfs/issues/430 : 2019/10/30 17:14:16 Unknown opcode 2016 panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x508d38] This patch is only in the v2.x.x branch. Upgrade to v2, as the old API is also supported there. Running git grep hanwen/go-fuse | grep -v hanwen/go-fuse/v2 to check for forgotten references comes back clean.
2020-05-09ctlsock: create exported ctlsock client libraryJakob Unterwurzacher
The former interal ctlsock server package is renamed to ctlsocksrv.
2020-04-19inomap: rework logic to efficiently support flagsJakob Unterwurzacher
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
2020-04-13inomap: split into separate packageJakob Unterwurzacher
inomap will also be used by fusefrontend_reverse in the future. Split if off openfiletable to make it independent.
2020-02-29fusefrontend: drop xattr user namespace restrictionJakob Unterwurzacher
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
2019-11-16fs: add uint64 cast to fix Darwin buildJakob Unterwurzacher
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.
2019-11-16fusefrontend: use inummapJakob Unterwurzacher
translate inode numbers on different devices to fix collisions. Fixes https://github.com/rfjakob/gocryptfs/issues/435
2019-11-03fusefrontend: warn about missing dirivJakob Unterwurzacher
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.
2019-11-03fusefrontend: don't return EIO on directory with corrupt file namesJakob Unterwurzacher
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
2019-10-06fusefrontend: unregister from openfiletable before closing the fdJakob Unterwurzacher
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
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