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2021-06-06fusefronted: report plaintext size on symlink creationJakob Unterwurzacher
gocryptfs 2.0 introduced the regression that the size reported at symlink creation was the ciphertext size, which is wrong. Report the plaintext size. Fixes https://github.com/rfjakob/gocryptfs/issues/574
2021-06-02nametransform: check name validity on encryptionJakob Unterwurzacher
xfstests generic/523 discovered that we allowed to set xattrs with "/" in the name, but did not allow to read them later. With this change we do not allow to set them in the first place.
2021-05-29tests: TestFileHoleCopy: accept +-4kBJakob Unterwurzacher
Failure looked like this: --- FAIL: TestFileHoleCopy (3.73s) --- FAIL: TestFileHoleCopy/k81 (0.04s) file_holes_test.go:93: size changed: st0.Blocks=88 st2.Blocks=96 file_holes_test.go:147: aborting further subtests $ findholes TestFileHoleCopy.k81.1 0 data 36864 hole 45056 data 50434 hole 50434 eof $ findholes TestFileHoleCopy.k81.2 0 data 36864 hole 45056 data 50434 hole 50434 eof $ filefrag -v TestFileHoleCopy.k81.1 Filesystem type is: ef53 File size of TestFileHoleCopy.k81.1 is 50434 (13 blocks of 4096 bytes) ext: logical_offset: physical_offset: length: expected: flags: 0: 0.. 2: 23702311.. 23702313: 3: 1: 3.. 8: 20389855.. 20389860: 6: 23702314: 2: 11.. 12: 23702314.. 23702315: 2: 20389863: last,eof TestFileHoleCopy.k81.1: 3 extents found $ filefrag -v TestFileHoleCopy.k81.2 Filesystem type is: ef53 File size of TestFileHoleCopy.k81.2 is 50434 (13 blocks of 4096 bytes) ext: logical_offset: physical_offset: length: expected: flags: 0: 0.. 2: 20389861.. 20389863: 3: 1: 3.. 4: 23702316.. 23702317: 2: 20389864: 2: 5.. 6: 20389864.. 20389865: 2: 23702318: 3: 7.. 8: 23702318.. 23702319: 2: 20389866: 4: 11.. 12: 23702320.. 23702321: 2: last,eof TestFileHoleCopy.k81.2: 4 extents found
2021-05-29fusefrontend: rewrite Lseek SEEK_DATA / SEEK_HOLEJakob Unterwurzacher
In response to the discussion of the xfstests mailing list [1], I looked at the Lseek implementation, which was naive and did not handle all cases correctly. The new implementation aligns the returned values to 4096 bytes as most callers expect. A lot of tests are added to verify that we handle all cases correctly now. [1]: https://www.spinics.net/lists/fstests/msg16554.html
2021-05-26tests: add TestFileHoleCopyJakob Unterwurzacher
Currently fails.
2021-05-26tests: re-enable TestInoReuseEvilJakob Unterwurzacher
Problem in go-fuse has long been fixed.
2021-05-26tests: add TestHaveDotdotJakob Unterwurzacher
As discovered by xfstests generic/401 [1], during the move to the v2 api we seem to have lost the "." and ".." directory entries. [1]: https://github.com/rfjakob/fuse-xfstests/blob/4ef5b032bc283743d0eb58a8a28738766e664899/screenlog.0#L520
2021-05-15Add -acl flag to enable ACL enforcementJakob Unterwurzacher
With test to verify that it actually works this time: Run "make root_test". Depends-on: https://github.com/rfjakob/gocryptfs/issues/536 Fixes: https://github.com/rfjakob/gocryptfs/issues/536
2021-04-02tests: sharedstorage: wait 100ms longer for cache expiryJakob Unterwurzacher
With 1.0 seconds we see failures on Travis, example: https://travis-ci.org/github/rfjakob/gocryptfs/builds/765648739 With 1.1 seconds it seems to always work.
2021-03-30tests: sharedstorage: add TestStaleHardlinksJakob Unterwurzacher
2021-03-21Add tests/sharedstorageJakob Unterwurzacher
Towards better test coverage of shared backing storage mounts. https://github.com/rfjakob/gocryptfs/issues/525
2021-03-21test_helpers: VerifySize: don't complain about ino mismatchJakob Unterwurzacher
The inode number is not stable with `-sharedstorage`. Ignore it. Failure was like this: --- FAIL: TestFallocate (0.02s) helpers.go:229: Stat vs Fstat mismatch: st= {59 11543 1 33188 1026 1026 0 0 0 4096 8 {1616315569 838232716} {1616315569 838232716} {1616315569 838232716} [0 0 0]} st2={59 11545 1 33188 1026 1026 0 0 0 4096 8 {1616315569 838232716} {1616315569 838232716} {1616315569 838232716} [0 0 0]}
2021-03-20tests: matrix: add -sharestorage to test matrixJakob Unterwurzacher
Currently fails like this: === RUN TestRmwRace doRead 0: corrupt block #0: cipher: message authentication failed -wpanic turns this warning into a panic: doRead 0: corrupt block #0: cipher: message authentication failed panic: -wpanic turns this warning into a panic: doRead 0: corrupt block #0: cipher: message authentication failed goroutine 1293 [running]: log.(*Logger).Panic(0xc00011c230, 0xc0003b17c8, 0x1, 0x1) log/log.go:224 +0xac github.com/rfjakob/gocryptfs/internal/tlog.(*toggledLogger).Printf(0xc00007a780, 0x55a821a766a1, 0x20, 0xc0003b19f0, 0x3, 0x3) github.com/rfjakob/gocryptfs/internal/tlog/log.go:78 +0x1ef github.com/rfjakob/gocryptfs/internal/fusefrontend.(*File).doRead(0xc0001ff420, 0x0, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x1, 0xc000880000, 0x1020) github.com/rfjakob/gocryptfs/internal/fusefrontend/file.go:201 +0x8c9 github.com/rfjakob/gocryptfs/internal/fusefrontend.(*File).doWrite(0xc0001ff420, 0xc000248428, 0x10, 0x30, 0xff0, 0x3, 0x18) github.com/rfjakob/gocryptfs/internal/fusefrontend/file.go:291 +0xc9e github.com/rfjakob/gocryptfs/internal/fusefrontend.(*File).Write(0xc0001ff420, 0x55a821b306a0, 0xc000fbde90, 0xc000248428, 0x10, 0x30, 0xff0, 0x7f4a00000000, 0x0) github.com/rfjakob/gocryptfs/internal/fusefrontend/file.go:378 +0x25e github.com/hanwen/go-fuse/v2/fs.(*rawBridge).Write(0xc000168140, 0xc000096000, 0xc0002483d8, 0xc000248428, 0x10, 0x30, 0x55a821ad40e0) github.com/hanwen/go-fuse/v2@v2.0.4-0.20210125162859-8e0bbdb16cb7/fs/bridge.go:819 +0x26d github.com/hanwen/go-fuse/v2/fuse.doWrite(0xc000170160, 0xc000248240) github.com/hanwen/go-fuse/v2@v2.0.4-0.20210125162859-8e0bbdb16cb7/fuse/opcode.go:191 +0x6f github.com/hanwen/go-fuse/v2/fuse.(*Server).handleRequest(0xc000170160, 0xc000248240, 0xc000000000) github.com/hanwen/go-fuse/v2@v2.0.4-0.20210125162859-8e0bbdb16cb7/fuse/server.go:472 +0x2be github.com/hanwen/go-fuse/v2/fuse.(*Server).loop(0xc000170160, 0xc000cd4101) github.com/hanwen/go-fuse/v2@v2.0.4-0.20210125162859-8e0bbdb16cb7/fuse/server.go:445 +0x198 created by github.com/hanwen/go-fuse/v2/fuse.(*Server).readRequest github.com/hanwen/go-fuse/v2@v2.0.4-0.20210125162859-8e0bbdb16cb7/fuse/server.go:312 +0x41d matrix_test.go:354: Write failed
2021-03-20tests: MountOrFatal creates mnt dir itselfJakob Unterwurzacher
Allows to drop a few Mkdir()s.
2021-03-12tests: add TestDiskFullJakob Unterwurzacher
Also fix incomplete uid restoration in TestSupplementaryGroups and replace syscall.Setregid and friends with unix.Setregid and friends. This test is added to check if have problems handling a full disk. The ticket https://github.com/rfjakob/gocryptfs/issues/550 states that the full disk was not where the backing gocryptfs filesystem was, but this has no effect on gocryptfs, so we test the harder case.
2021-03-07v2api: -sharestorage: disable hard link tracking & add testsJakob Unterwurzacher
Hard link tracking was not correctly disabled since the migration to the go-fuse v2 api. Add a test to ensure it stays off. Fixes https://github.com/rfjakob/gocryptfs/issues/525
2021-02-07fusefrontend: do not encrypt ACLsJakob Unterwurzacher
Pass through system.posix_acl_access and system.posix_acl_default unencrypted to fix "cp -a" problems. "cp -a" uses "setxattr" even to set normal permissions, see https://www.spinics.net/lists/linux-nfs/msg63986.html . Fixes https://github.com/rfjakob/gocryptfs/issues/543
2021-02-07tests/xattr: fix acl blobJakob Unterwurzacher
The blob was truncated to 31 bytes.
2021-01-10nametransform: make `gocryptfs.diriv` and `gocryptfs.xxx.name` files ↵Jakob Unterwurzacher
world-readable Make `gocryptfs.diriv` and `gocryptfs.xxx.name` files world-readable to make encrypted backups easier when mounting via fstab. Having the files follow chmod/chown of their parent does not seem to be worth the hassle. The content of the diriv files is not secret, and both diriv and name files are protected by the perms of the parent dir. Fixes https://github.com/rfjakob/gocryptfs/issues/539
2020-10-04tests: fsstress-gocryptfs.bash: log timestamp for each iterationJakob Unterwurzacher
2020-10-04tests: fsstress-gocryptfs.bash: add DEBUG optionJakob Unterwurzacher
Also add a wrapper script, fsstress.collect-crashes.sh, to collect the debug output. https://github.com/hanwen/go-fuse/issues/372
2020-10-03fsstress-gocryptfs.bash: don't hang if TMPDIR ends in /Jakob Unterwurzacher
We would hang like this ./fsstress-loopback.bash Recompile go-fuse loopback: v2.0.3-7-g0b6cbc5 Waiting for mount: xxxxxxxx^C if TMPDIR has a trailing /. The reason is that the paths in /proc/self/mounts are normalized, while TMPDIR may not be.
2020-09-18fsstress-gocryptfs.bash: print loopback version & mount pathJakob Unterwurzacher
To make the used go-fuse version clear in logs, print it on startup, similar to what we do with gocryptfs.
2020-09-13stress_tests/fsstress-gocryptfs.bash: use rm -Rf for cleanupJakob Unterwurzacher
Apparently, kernel 5.8 now allows unprivileged "mknod /tmp/x c 0 0": vfs: allow unprivileged whiteout creation https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.8.9&id=a3c751a50fe6bbe50eb7622a14b18b361804ee0c which is why rm throws a new prompt: rm: remove write-protected character special file '...'? Use rm -Rf to suppress that.
2020-09-12tests/plaintextnames: add TestInoReuseEvilJakob Unterwurzacher
2020-09-09tests: add TestInoReuseJakob Unterwurzacher
2020-09-09test_helpers: print warning when not running on ext4Jakob Unterwurzacher
ext4 reuses inode numbers, tmpfs does not.
2020-09-09test_helpers: mark MountOrFatal as a Helper()Jakob Unterwurzacher
2020-09-06gocryptfs -init: fix wrong exit code on non-empty dirJakob Unterwurzacher
Fixes https://github.com/rfjakob/gocryptfs/pull/503
2020-08-30tests/reverse: implement (skipped) xattr testJakob Unterwurzacher
v1api reverse mode did not have xattr support, the v2api version may have at some point. Prep the test already.
2020-08-16v2api/reverse: implement LseekJakob Unterwurzacher
2020-08-16v2api/reverse: implement StatfsJakob Unterwurzacher
2020-08-15v2api/reverse: finish -excludeJakob Unterwurzacher
Tests pass now.
2020-08-15test_helper: VerifyExistence: don't panicJakob Unterwurzacher
Instead bubble up the error to the testing object.
2020-07-26stress_tests: run pingpong.bash at nice level 19Jakob Unterwurzacher
Like extractloop.bash.
2020-07-26v2api: fix missing size translation in LookupJakob Unterwurzacher
2020-07-23v2api: implement LseekJakob Unterwurzacher
This also fixes the last remaining tests/fsck failure.
2020-07-19v2api: fsck: use a temporary mountJakob Unterwurzacher
Directly accessing the Nodes does not work properly, as there is no way to attach a newly LOOKUPped Node to the tree. This means Path() does not work. Use an actual mount instead and walk the tree.
2020-07-12tests: TestMagicNames: add warmup roundsJakob Unterwurzacher
Chasing a bug that seems to have nothing to do with magic names, as it already triggers during warmup: --- FAIL: TestMagicNames (0.00s) matrix_test.go:773: Testing n="warmup1" matrix_test.go:773: Testing n="warmup2" matrix_test.go:820: no such file or directory
2020-07-12v2api: Getattr: use file handle if passedJakob Unterwurzacher
2020-07-12tests: fix TestCpWarnings comment typoJakob Unterwurzacher
2020-07-12tests: don't crash on empty Flistxattr resultJakob Unterwurzacher
2020-07-12v2api: fix Mkdir crash when using plaintextnamesJakob Unterwurzacher
2020-06-06tests: TestBadname: simplify test by using empty filesJakob Unterwurzacher
Simplify the tests by using empty files. Empty files are valid, and we don't check the content anyway. Also adjust comment style a little and add a missing break statement.
2020-06-06Added auto decryption of invalid file namesDerDonut
Changed invalid file decoding and decryption. Function DecryptName now shortens the filename until the filename is decodable and decryptable. Will work with valid **and** invalid Base64URL delimiter (valid delimiter [0-9a-zA-z_\\-]. If the filename is not decryptable at all, it returns the original cipher name with flag suffix Changed cli tests to generate decryptable and undecryptable file names with correct encrypted content. Replacing #474, extends #393
2020-06-06sshfs-benchmark.bash: fix locale trouble and move to testsJakob Unterwurzacher
Locale trouble was sshfs-benchmark.bash: line 31: printf: 4.71: invalid number because printf expected "4,71" in the German locale. Force the C locale.
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
2020-05-17main: accept multiple -passfile optionsJakob Unterwurzacher
Each file will be read and then concatenated for the effictive password. This can be used as a kind of multi-factor authenticiton. Fixes https://github.com/rfjakob/gocryptfs/issues/288
2020-05-10Fix spelling mistakes found by misspellJakob Unterwurzacher
https://github.com/client9/misspell
2020-05-10gocryptfs-xray: add -0 flag, add testsJakob Unterwurzacher
The -0 flags works like xargs -0.
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