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2021-07-31fusefrontend: -sharedstorage: present stable inode numbersJakob Unterwurzacher
Use the Gen field (inode generation) to distinguish hard links while passing the real inode numbers to userspace. Fixes https://github.com/rfjakob/gocryptfs/issues/584
2021-07-31tests: matrix: add TestPwdJakob Unterwurzacher
https://github.com/rfjakob/gocryptfs/issues/584
2021-07-29fusefrontend: implement fsync on directoriesJakob Unterwurzacher
Fixes https://github.com/rfjakob/gocryptfs/issues/587
2021-06-27canonical-benchmarks.bash: handle relative pathsJakob Unterwurzacher
Passing a relative path was broken because we cd'ed away first.
2021-06-26tests/fsck: delete obsolete script run_fsck.bashJakob Unterwurzacher
Not called by anybody.
2021-06-26tests, maxlen.bash: speed up TestMaxlen using QUICK=1Jakob Unterwurzacher
From >6 to <1 second.
2021-06-26tests: matrix: show content detail on mismatchJakob Unterwurzacher
2021-06-26tests: better error message on ctlsock query failureJakob Unterwurzacher
2021-06-26tests/default: add maxlen.bash testJakob Unterwurzacher
2021-06-21nametransform: rename BadNameFlag to BadnameSuffixJakob Unterwurzacher
2021-06-21nametransform: delete NameTransformer interfaceJakob Unterwurzacher
Useless layer of indirection.
2021-06-21tests: cli: add TestZerokeyJakob Unterwurzacher
TestZerokey verifies that `gocryptfs -zerokey` uses the same options as `gocryptfs -init`.
2021-06-20Badname file content accessDerDonut
This proposal is the counterpart of the modifications from the `-badname` parameter. It modifies the plain -> cipher mapping for filenames when using `-badname` parameter. The new function `EncryptAndHashBadName` tries to find a cipher filename for the given plain name with the following steps: 1. If `badname` is disabled or direct mapping is successful: Map directly (default and current behaviour) 2. If a file with badname flag has a valid cipher file, this is returned (=File just ends with the badname flag) 3. If a file with a badname flag exists where only the badname flag was added, this is returned (=File cipher name could not be decrypted by function `DecryptName` and just the badname flag was added) 4. Search for all files which cipher file name extists when cropping more and more characters from the end. If only 1 file is found, return this 5. Return an error otherwise This allows file access in the file browsers but most important it allows that you rename files with undecryptable cipher names in the plain directories. Renaming those files will then generate a proper cipher filename One backdraft: When mounting the cipher dir with -badname parameter, you can never create (or rename to) files whose file name ends with the badname file flag (at the moment this is " GOCRYPTFS_BAD_NAME"). This will cause an error. I modified the CLI test function to cover additional test cases. Test [Case 7](https://github.com/DerDonut/gocryptfs/blob/badnamecontent/tests/cli/cli_test.go#L712) cannot be performed since the cli tests are executed in panic mode. The testing is stopped on error. Since the function`DecryptName` produces internal errors when hitting non-decryptable file names, this test was omitted. This implementation is a proposal where I tried to change the minimum amount of existing code. Another possibility would be instead of creating the new function `EncryptAndHashBadName` to modify the signature of the existing function `EncryptAndHashName(name string, iv []byte)` to `EncryptAndHashName(name string, iv []byte, dirfd int)` and integrate the functionality into this function directly. You may allow calling with dirfd=-1 or other invalid values an then performing the current functionality.
2021-06-20contrib/maxlen.bash: also test dir and path lengthJakob Unterwurzacher
Move the script from tests to contrib as it may now be useful to somebody else. https://github.com/rfjakob/gocryptfs/issues/552
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
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