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2023-06-06tests/cluster: add TestConcurrentCreateJakob Unterwurzacher
This exercises the byte-range locks we just added.
2023-06-05fusefrontend: sharedstorage: use byte-range lock on file header creationJakob Unterwurzacher
Multiple hosts creating the same file at the same time could have overwritten each other's file header, leading to data corruption. Fix the race by placing a byte-range lock on the file when creating the file header.
2023-05-30tests: add cluster testJakob Unterwurzacher
finds out what happens if multiple gocryptfs mounts write to one file concurrently (usually, nothing good). This use case is relevant for HPC clusters.
2023-05-19fsstress-gocryptfs.bash: improve header commentJakob Unterwurzacher
I maybe should have noted that this is xfstests generic/013.
2023-05-18tests: TestDirectMount: check for default_permissionsJakob Unterwurzacher
2023-05-17tests: TestDirectMount: also check dev, suidJakob Unterwurzacher
2023-05-17tests: add TestDirectMountJakob Unterwurzacher
This is in preparation of adding directmount capability. It also check that FsName is set correctly, which is in preparation for the next patch.
2023-05-17tests: root_test: use TMPDIR=/var/tmpJakob Unterwurzacher
Otherwise we fail like this on my Fedora 38 box: === RUN TestOverlay DetectQuirks: tmpfs detected, no extended attributes except acls will work. root_test.go:379: No user xattrs! overlay mount will likely fail. 15:15:57.957960 Unimplemented opcode OPCODE-51 root_test.go:398: mount: /tmp/gocryptfs-test-parent-0/3652394902/TestOverlay.2374697046.mnt/merged: wrong fs type, bad option, bad superblock on overlay, missing codepage or helper program, or other error. dmesg(1) may have more information after failed mount system call. root_test.go:399: exit status 32 --- FAIL: TestOverlay (0.04s) FAIL Also fix the messed-up DetectQuirks bit test.
2023-05-12canonical-benchmarks.bash: drop page cache of "zero" fileJakob Unterwurzacher
For the streaming read benchmark, we don't want to benchmark the page cache.
2023-03-29fusefrontent: report correct size on hard link creationJakob Unterwurzacher
And add a test for it. Fixes https://github.com/rfjakob/gocryptfs/issues/724
2022-12-29make formatJakob Unterwurzacher
Run "make format" using go version go1.19.4 linux/amd64
2022-08-28tests/matrix: fix data race in TestConcurrentReadWriteJakob Unterwurzacher
Fixes https://github.com/golang/go/issues/54715 Output was: $ go test ./tests/matrix -run TestConcurrentReadWrite -race test_helpers: warning: testParentDir "/tmp/gocryptfs-test-parent-1026" does not reside on ext4, we will miss failures caused by ino reuse PASS PASS ================== WARNING: DATA RACE Write at 0x00c00038a0e0 by goroutine 63: runtime.racewriterange() <autogenerated>:1 +0x29 internal/poll.(*FD).Pread() /usr/local/go/src/internal/poll/fd_unix.go:193 +0x169 os.(*File).pread() /usr/local/go/src/os/file_posix.go:40 +0x335 os.(*File).ReadAt() /usr/local/go/src/os/file.go:136 +0x2de github.com/rfjakob/gocryptfs/v2/tests/matrix.TestConcurrentReadWrite.func1() /home/jakob/go/src/github.com/rfjakob/gocryptfs/tests/matrix/concurrency_test.go:40 +0x14b Previous write at 0x00c00038a0e0 by goroutine 61: runtime.racewriterange() <autogenerated>:1 +0x29 internal/poll.(*FD).Pread() /usr/local/go/src/internal/poll/fd_unix.go:193 +0x169 os.(*File).pread() /usr/local/go/src/os/file_posix.go:40 +0x335 os.(*File).ReadAt() /usr/local/go/src/os/file.go:136 +0x2de github.com/rfjakob/gocryptfs/v2/tests/matrix.TestConcurrentReadWrite.func1() /home/jakob/go/src/github.com/rfjakob/gocryptfs/tests/matrix/concurrency_test.go:40 +0x14b Goroutine 63 (running) created at: github.com/rfjakob/gocryptfs/v2/tests/matrix.TestConcurrentReadWrite() /home/jakob/go/src/github.com/rfjakob/gocryptfs/tests/matrix/concurrency_test.go:34 +0x31d testing.tRunner() /usr/local/go/src/testing/testing.go:1446 +0x216 testing.(*T).Run.func1() /usr/local/go/src/testing/testing.go:1493 +0x47 Goroutine 61 (running) created at: github.com/rfjakob/gocryptfs/v2/tests/matrix.TestConcurrentReadWrite() /home/jakob/go/src/github.com/rfjakob/gocryptfs/tests/matrix/concurrency_test.go:34 +0x31d testing.tRunner() /usr/local/go/src/testing/testing.go:1446 +0x216 testing.(*T).Run.func1() /usr/local/go/src/testing/testing.go:1493 +0x47 ================== --- FAIL: TestConcurrentReadWrite (0.03s) testing.go:1319: race detected during execution of test FAIL TestMain: matrix[2] = matrix.testcaseMatrix{plaintextnames:false, openssl:"false", aessiv:false, raw64:false, extraArgs:[]string(nil)} failed FAIL github.com/rfjakob/gocryptfs/v2/tests/matrix 0.170s FAIL
2022-08-28make formatJakob Unterwurzacher
2022-08-28tests: add TestLongnamemax100ReverseJakob Unterwurzacher
Fails right now as reported in https://github.com/rfjakob/gocryptfs/pull/655 --- FAIL: TestLongnamemax100Reverse (0.09s) longnamemax_test.go:104: l=64: should see a longname now longnamemax_test.go:104: l=65: should see a longname now longnamemax_test.go:104: l=66: should see a longname now longnamemax_test.go:104: l=67: should see a longname now longnamemax_test.go:104: l=68: should see a longname now longnamemax_test.go:104: l=69: should see a longname now longnamemax_test.go:104: l=70: should see a longname now longnamemax_test.go:104: l=71: should see a longname now longnamemax_test.go:104: l=72: should see a longname now longnamemax_test.go:104: l=73: should see a longname now longnamemax_test.go:104: l=74: should see a longname now longnamemax_test.go:104: l=75: should see a longname now longnamemax_test.go:104: l=76: should see a longname now longnamemax_test.go:104: l=77: should see a longname now longnamemax_test.go:104: l=78: should see a longname now longnamemax_test.go:104: l=79: should see a longname now longnamemax_test.go:104: l=80: should see a longname now longnamemax_test.go:104: l=81: should see a longname now longnamemax_test.go:104: l=82: should see a longname now longnamemax_test.go:104: l=83: should see a longname now longnamemax_test.go:104: l=84: should see a longname now longnamemax_test.go:104: l=85: should see a longname now longnamemax_test.go:104: l=86: should see a longname now longnamemax_test.go:104: l=87: should see a longname now longnamemax_test.go:104: l=88: should see a longname now longnamemax_test.go:104: l=89: should see a longname now longnamemax_test.go:104: l=90: should see a longname now longnamemax_test.go:104: l=91: should see a longname now longnamemax_test.go:104: l=92: should see a longname now longnamemax_test.go:104: l=93: should see a longname now longnamemax_test.go:104: l=94: should see a longname now longnamemax_test.go:104: l=95: should see a longname now longnamemax_test.go:104: l=96: should see a longname now longnamemax_test.go:104: l=97: should see a longname now longnamemax_test.go:104: l=98: should see a longname now longnamemax_test.go:104: l=99: should see a longname now longnamemax_test.go:104: l=100: should see a longname now longnamemax_test.go:104: l=101: should see a longname now longnamemax_test.go:104: l=102: should see a longname now longnamemax_test.go:104: l=103: should see a longname now longnamemax_test.go:104: l=104: should see a longname now longnamemax_test.go:104: l=105: should see a longname now longnamemax_test.go:104: l=106: should see a longname now longnamemax_test.go:104: l=107: should see a longname now longnamemax_test.go:104: l=108: should see a longname now longnamemax_test.go:104: l=109: should see a longname now longnamemax_test.go:104: l=110: should see a longname now longnamemax_test.go:104: l=111: should see a longname now longnamemax_test.go:104: l=112: should see a longname now longnamemax_test.go:104: l=113: should see a longname now 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longnamemax_test.go:104: l=131: should see a longname now longnamemax_test.go:104: l=132: should see a longname now longnamemax_test.go:104: l=133: should see a longname now longnamemax_test.go:104: l=134: should see a longname now longnamemax_test.go:104: l=135: should see a longname now longnamemax_test.go:104: l=136: should see a longname now longnamemax_test.go:104: l=137: should see a longname now longnamemax_test.go:104: l=138: should see a longname now longnamemax_test.go:104: l=139: should see a longname now longnamemax_test.go:104: l=140: should see a longname now longnamemax_test.go:104: l=141: should see a longname now longnamemax_test.go:104: l=142: should see a longname now longnamemax_test.go:104: l=143: should see a longname now longnamemax_test.go:104: l=144: should see a longname now longnamemax_test.go:104: l=145: should see a longname now longnamemax_test.go:104: l=146: should see a longname now longnamemax_test.go:104: l=147: should see a longname now longnamemax_test.go:104: l=148: should see a longname now longnamemax_test.go:104: l=149: should see a longname now longnamemax_test.go:104: l=150: should see a longname now longnamemax_test.go:104: l=151: should see a longname now longnamemax_test.go:104: l=152: should see a longname now longnamemax_test.go:104: l=153: should see a longname now longnamemax_test.go:104: l=154: should see a longname now longnamemax_test.go:104: l=155: should see a longname now longnamemax_test.go:104: l=156: should see a longname now longnamemax_test.go:104: l=157: should see a longname now longnamemax_test.go:104: l=158: should see a longname now longnamemax_test.go:104: l=159: should see a longname now longnamemax_test.go:104: l=160: should see a longname now longnamemax_test.go:104: l=161: should see a longname now longnamemax_test.go:104: l=162: should see a longname now longnamemax_test.go:104: l=163: should see a longname now longnamemax_test.go:104: l=164: should see a longname now longnamemax_test.go:104: l=165: should see a longname now longnamemax_test.go:104: l=166: should see a longname now longnamemax_test.go:104: l=167: should see a longname now longnamemax_test.go:104: l=168: should see a longname now longnamemax_test.go:104: l=169: should see a longname now longnamemax_test.go:104: l=170: should see a longname now longnamemax_test.go:104: l=171: should see a longname now longnamemax_test.go:104: l=172: should see a longname now longnamemax_test.go:104: l=173: should see a longname now longnamemax_test.go:104: l=174: should see a longname now longnamemax_test.go:104: l=175: should see a longname now FAIL https://github.com/rfjakob/gocryptfs/pull/655
2022-06-26Fix typosYuta Hayashibe
2022-01-27root_test: fix leftover loop mountJakob Unterwurzacher
After running "make root_test" a few times df would look like this, no good: $ df Filesystem 1K-blocks Used Available Use% Mounted on [...] /dev/loop11 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/4081611019/TestDiskFull.ext4.mnt /dev/loop12 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/1959939106/TestDiskFull.ext4.mnt /dev/loop13 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/2455888382/TestDiskFull.ext4.mnt /dev/loop14 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/2002998275/TestDiskFull.ext4.mnt /dev/loop15 8729 8525 0 100% /var/tmp/gocryptfs-test-parent-0/806736609/TestDiskFull.ext4.mnt /dev/loop16 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/4050106930/TestDiskFull.ext4.mnt /dev/loop17 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/1661931756/TestDiskFull.ext4.mnt /dev/loop18 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/617990718/TestDiskFull.ext4.mnt /dev/loop19 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/3194420338/TestDiskFull.ext4.mnt /dev/loop20 8729 8525 0 100% /tmp/gocryptfs-test-parent-0/2180745159/TestDiskFull.ext4.mnt Turns out the unmount failed with EBUSY, so use lazy unmount.
2022-01-27root_test: add TestOverlay ; syscallcompat: add QuirkNoUserXattrJakob Unterwurzacher
2022-01-22tests: fix build failure on Go 1.15 and olderJakob Unterwurzacher
These don't have os.ReadDir yet. Error was: Error: vet: tests/defaults/overlayfs_test.go:104:15: ReadDir not declared by package os
2022-01-22tests: add skipped O_TMPFILE testJakob Unterwurzacher
Looks like the FUSE protocol does support O_TMPFILE yet. https://github.com/rfjakob/gocryptfs/issues/641
2022-01-22tests: add TestRenameWhiteout, TestRenameExchangeJakob Unterwurzacher
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2022-01-22tests: enable -fusedebug if FUSEDEBUG env is setJakob Unterwurzacher
2022-01-10fusefrontend: fix -force_owner not affecting MKNODJakob Unterwurzacher
Fixes https://github.com/rfjakob/gocryptfs/issues/629
2022-01-04tests: improve SEEK_DATA test for MacOSJakob Unterwurzacher
(1) Create a 1 GiB file instead of 1 TiB, because apparently, on MacOS, the file (sometimes?) is not created sparse, and fills up users' disks: https://github.com/rfjakob/gocryptfs/issues/625 (2) On darwin, SEEK_DATA is not the same as on Linux ( https://github.com/golang/go/commit/2f8b555de27198775f9606e001ef19b76efdb415 ) so use the value provided by the unix package.
2022-01-03tests/cli: Check for leftover socket fileJakob Unterwurzacher
This fails at the moment: $ go test ./tests/cli/ --- FAIL: TestMountPasswordEmpty (0.01s) cli_test.go:430: socket file "/tmp/gocryptfs-test-parent-1026/3413782690/TestMountPasswordEmpty.753166857.sock" left behind https://github.com/rfjakob/gocryptfs/issues/634
2021-12-19fusefrontend: allow slashes in xattr namesJakob Unterwurzacher
xattr names have fewer restrictions than file names, relax the validation. Fixes https://github.com/rfjakob/gocryptfs/issues/627
2021-12-08root_test, getdents-debug: restrict to linuxJakob Unterwurzacher
This does not work neither make sense on MacOS.
2021-12-08tests: convert Creat() calls to Open()Jakob Unterwurzacher
Creat() is equivalent to Open(..., O_CREAT|O_WRONLY|O_TRUNC, ...) and MacOS does not have syscall.Creat(). https://github.com/rfjakob/gocryptfs/issues/623
2021-10-21cli: add -longnamemaxJakob Unterwurzacher
Fixes https://github.com/rfjakob/gocryptfs/issues/499
2021-10-15tests: add TestForceOwnerJakob Unterwurzacher
https://github.com/rfjakob/gocryptfs/issues/609 https://github.com/rfjakob/gocryptfs/pull/610
2021-09-08tests/matrix: test xchacha with and without opensslJakob Unterwurzacher
2021-09-01tests/matrix: don't leak fds in TestConcurrentReadCreateJakob Unterwurzacher
We leaked a file descriptor for each empty file we encountered.
2021-09-01*: trim trailing whitespacea1346054
2021-09-01shell scripts: fix shellcheck warningsa1346054
2021-08-30Unbreak hyperlinks broken by go mod v2 conversionJakob Unterwurzacher
Commit 69d88505fd7f4cb0d9e4f1918de296342fe05858 go mod: declare module version v2 translated all instances of "github.com/rfjakob/gocryptfs/" to "github.com/rfjakob/gocryptfs/v2/". Unfortunately, this included hyperlinks. Unbreak the hyperlinks like this: find . -name \*.go | xargs sed -i s%https://github.com/rfjakob/gocryptfs/v2/%https://github.com/rfjakob/gocryptfs/v2/%
2021-08-26fsstress-gocryptfs: fuse-xfstests now lives in /optJakob Unterwurzacher
fuse-xfstests should be installed to /opt now to make the terminal output independent of the user name (as done in https://github.com/rfjakob/fuse-xfstests/wiki/results_2021-06-02 )
2021-08-24tests/example_filesystems: add v2.2-xchacha-deterministic-namesJakob Unterwurzacher
Combines both new flags.
2021-08-24tests/example_filesystems: add deterministic-names and xchachaJakob Unterwurzacher
2021-08-23tests/cli: add -xchacha testsJakob Unterwurzacher
2021-08-23tests/matrix: add -xchacha testJakob Unterwurzacher
2021-08-23test/cli: actually run TestZerokeyJakob Unterwurzacher
As the filename did not end in _test.go, TestZerokey was not actually run. Fix that. renamed: tests/cli/zerokey.go -> tests/cli/zerokey_test.go
2021-08-23go mod: declare module version v2Jakob Unterwurzacher
Our git version is v2+ for some time now, but go.mod still declared v1. Hopefully making both match makes https://pkg.go.dev/github.com/rfjakob/gocryptfs/v2 work. All the import paths have been fixed like this: find . -name \*.go | xargs sed -i s%github.com/rfjakob/gocryptfs/%github.com/rfjakob/gocryptfs/v2/%
2021-08-20-deterministic-names: implement for reverse mode, tooJakob Unterwurzacher
2021-08-20-deterministic-names: accept flag on -initJakob Unterwurzacher
And store it in gocryptfs.conf (=remove DirIV feature flag).
2021-08-20Implement -deterministic-names: extended -zerodirivJakob Unterwurzacher
-deterministc-names uses all-zero dirivs but does not write them to disk anymore.
2021-08-19Flag -zerodiriv to create all diriv as all zero byte filesJose M Perez
2021-08-19golangci-lint: fix issues found by "unused" and "deadcode"Jakob Unterwurzacher
Except xattrSupported, this is a false positive. $ golangci-lint run --disable-all --enable unused --enable deadcode gocryptfs-xray/xray_main.go:24:5: `GitVersionFuse` is unused (deadcode) var GitVersionFuse = "[GitVersionFuse not set - please compile using ./build.bash]" ^ tests/symlink_race/main.go:47:6: `chmodLoop` is unused (deadcode) func chmodLoop() { ^ internal/readpassword/extpass_test.go:11:5: `testPw` is unused (deadcode) var testPw = []byte("test") ^ tests/reverse/xattr_test.go:13:6: func `xattrSupported` is unused (unused) func xattrSupported(path string) bool { ^ internal/fusefrontend_reverse/rpath.go:20:22: func `(*RootNode).abs` is unused (unused) func (rfs *RootNode) abs(relPath string, err error) (string, error) { ^ tests/matrix/matrix_test.go:310:6: `sContains` is unused (deadcode) func sContains(haystack []string, needle string) bool {
2021-08-19test_helpers: actually use global testParentDir variableJakob Unterwurzacher
Typo inside doInit.
2021-08-19Fix issues found by "go vet"Jakob Unterwurzacher
Issues were: # github.com/rfjakob/gocryptfs/contrib/findholes/holes contrib/findholes/holes/holes.go:136:2: unreachable code # github.com/rfjakob/gocryptfs/tests/root_test_test tests/root_test/root_test.go:139:2: unreachable code Also make sure we actually run "go vet" against the whole codebase.
2021-08-19golangci-lint: fix issues found by gosimpleJakob Unterwurzacher
Everything except the if err2.Err == syscall.EOPNOTSUPP case. Gets too confusing when collapsed into a single line. Issues were: $ golangci-lint run --disable-all --enable gosimple mount.go:473:2: S1008: should use 'return strings.HasPrefix(v, "fusermount version")' instead of 'if strings.HasPrefix(v, "fusermount version") { return true }; return false' (gosimple) if strings.HasPrefix(v, "fusermount version") { ^ cli_args.go:258:5: S1002: should omit comparison to bool constant, can be simplified to `args.forcedecode` (gosimple) if args.forcedecode == true { ^ cli_args.go:263:6: S1002: should omit comparison to bool constant, can be simplified to `args.aessiv` (gosimple) if args.aessiv == true { ^ cli_args.go:267:6: S1002: should omit comparison to bool constant, can be simplified to `args.reverse` (gosimple) if args.reverse == true { ^ internal/stupidgcm/stupidgcm.go:227:6: S1002: should omit comparison to bool constant, can be simplified to `g.forceDecode` (gosimple) if g.forceDecode == true { ^ gocryptfs-xray/xray_tests/xray_test.go:23:5: S1004: should use !bytes.Equal(out, expected) instead (gosimple) if bytes.Compare(out, expected) != 0 { ^ gocryptfs-xray/xray_tests/xray_test.go:40:5: S1004: should use !bytes.Equal(out, expected) instead (gosimple) if bytes.Compare(out, expected) != 0 { ^ gocryptfs-xray/paths_ctlsock.go:34:20: S1002: should omit comparison to bool constant, can be simplified to `!eof` (gosimple) for eof := false; eof == false; line++ { ^ tests/reverse/xattr_test.go:19:2: S1008: should use 'return err2.Err != syscall.EOPNOTSUPP' instead of 'if err2.Err == syscall.EOPNOTSUPP { return false }; return true' (gosimple) if err2.Err == syscall.EOPNOTSUPP { ^ internal/fusefrontend/node.go:459:45: S1002: should omit comparison to bool constant, can be simplified to `!nameFileAlreadyThere` (gosimple) if nametransform.IsLongContent(cName2) && nameFileAlreadyThere == false { ^ tests/xattr/xattr_integration_test.go:221:2: S1008: should use 'return err2.Err != syscall.EOPNOTSUPP' instead of 'if err2.Err == syscall.EOPNOTSUPP { return false }; return true' (gosimple) if err2.Err == syscall.EOPNOTSUPP { ^ tests/test_helpers/helpers.go:338:19: S1002: should omit comparison to bool constant, can be simplified to `open` (gosimple) if err != nil && open == true { ^ tests/matrix/concurrency_test.go:121:7: S1004: should use !bytes.Equal(buf, content) instead (gosimple) if bytes.Compare(buf, content) != 0 { ^
2021-08-18Fix issues found by ineffassignJakob Unterwurzacher
gocryptfs$ ineffassign ./... /home/jakob/go/src/github.com/rfjakob/gocryptfs/internal/configfile/config_file.go:243:2: ineffectual assignment to scryptHash /home/jakob/go/src/github.com/rfjakob/gocryptfs/internal/configfile/config_file.go:272:2: ineffectual assignment to scryptHash /home/jakob/go/src/github.com/rfjakob/gocryptfs/internal/fusefrontend/file.go:285:3: ineffectual assignment to fileID /home/jakob/go/src/github.com/rfjakob/gocryptfs/internal/fusefrontend/node.go:367:3: ineffectual assignment to err /home/jakob/go/src/github.com/rfjakob/gocryptfs/internal/fusefrontend/node_open_create.go:68:2: ineffectual assignment to fd /home/jakob/go/src/github.com/rfjakob/gocryptfs/mount.go:308:2: ineffectual assignment to masterkey /home/jakob/go/src/github.com/rfjakob/gocryptfs/gocryptfs-xray/xray_main.go:156:13: ineffectual assignment to err /home/jakob/go/src/github.com/rfjakob/gocryptfs/internal/fusefrontend/prepare_syscall_test.go:65:16: ineffectual assignment to errno /home/jakob/go/src/github.com/rfjakob/gocryptfs/internal/syscallcompat/open_nofollow_test.go:34:2: ineffectual assignment to fd /home/jakob/go/src/github.com/rfjakob/gocryptfs/tests/defaults/acl_test.go:111:6: ineffectual assignment to err /home/jakob/go/src/github.com/rfjakob/gocryptfs/tests/defaults/acl_test.go:181:2: ineffectual assignment to sz /home/jakob/go/src/github.com/rfjakob/gocryptfs/tests/defaults/acl_test.go:198:2: ineffectual assignment to sz /home/jakob/go/src/github.com/rfjakob/gocryptfs/tests/defaults/main_test.go:365:8: ineffectual assignment to err /home/jakob/go/src/github.com/rfjakob/gocryptfs/tests/xattr/xattr_fd_test.go:30:6: ineffectual assignment to err /home/jakob/go/src/github.com/rfjakob/gocryptfs/tests/xattr/xattr_fd_test.go:66:6: ineffectual assignment to err