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2020-04-18nametransform: update comment & simplify testsJakob Unterwurzacher
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.
2020-04-13Prefer Go stdlib aes-gcm on arm64 with aes instructionsJakob Unterwurzacher
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
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.
2020-04-13speed: add XChaCha20-Poly1305-GoJakob Unterwurzacher
https://github.com/rfjakob/gocryptfs/issues/452
2020-02-29speed: add code commentsJakob Unterwurzacher
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
2020-02-28Show undecryptable filenames if they match supplied globorcas
Resolves https://github.com/rfjakob/gocryptfs/issues/393
2020-02-15contentenc: encryptBlocksParallel: explain why last part runs in new goroutineJakob Unterwurzacher
The result is counter-intuitive, so explain it here.
2020-02-15merge prefer_openssl package into stupidgcmJakob Unterwurzacher
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.
2020-02-15contentenc: move parallel encryption into encryptBlocksParallelJakob Unterwurzacher
Make the logic self-contained in the new helper function.
2019-12-28remove Trezor supportPavol Rusnak
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
2019-11-16openfiletable: add inummapJakob Unterwurzacher
Generates unique inode numbers for files on different devices. 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
2019-10-06fusefrontend: print file hexdump on header errorJakob Unterwurzacher
This should help debugging https://github.com/rfjakob/gocryptfs/issues/363 , but does no harm in normal operation as it only prints ciphertext to the log.
2019-10-06contentenc: add explicit test for all-zero headerJakob Unterwurzacher
https://github.com/rfjakob/gocryptfs/issues/363
2019-09-08serialize_reads: drop superflous "continue"Jakob Unterwurzacher
Found while debugging https://github.com/rfjakob/gocryptfs/pull/413
2019-09-08Fix -idle unmounting despite activityJakob Unterwurzacher
Fixes https://github.com/rfjakob/gocryptfs/issues/421
2019-05-19Fix unix2syscall_darwin.go build failureJakob Unterwurzacher
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 https://github.com/golang/sys/commit/87c872767d25fb96dfe96c794fd028b38a08440b#diff-4913a9178621eadcdf191db17915fbcb
2019-05-01syscallcompat: fetch supplementary groups for OpenatUser & friendsSebastian Lackner
Handled the same way in GlusterFS, disorderfs, libfuse. Fixes https://github.com/rfjakob/gocryptfs/issues/394
2019-05-01tests: split testParentDir by UIDJakob Unterwurzacher
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.
2019-04-09fusefrontend: get rid of last hardcoded "gocryptfs.diriv" instancesJakob Unterwurzacher
Makes it easier to change the name (as some people want to): https://github.com/rfjakob/gocryptfs/issues/37
2019-04-08readpassword: delete CheckTrailingGarbageJakob Unterwurzacher
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.
2019-04-08configfile: fall back to sync() if fsync() failsJakob Unterwurzacher
This can happen on network drives: FRITZ.NAS mounted on MacOS returns "operation not supported": https://github.com/rfjakob/gocryptfs/issues/390
2019-03-30forward mode: create gocryptfs.diriv files with 0440 permissionsJakob Unterwurzacher
Makes it easier to share an encrypted folder via a network drive. https://github.com/rfjakob/gocryptfs/issues/387
2019-03-26reverse: don't show gocryptfs.conf if a custom config path was passedJakob Unterwurzacher
GetAttr checks for this, but OpenDir did not. https://github.com/rfjakob/gocryptfs/issues/385
2019-03-26reverse mode: support wildcard exclude (--exclude-wildcard)Eduardo M KALINOWSKI
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).
2019-03-03Allow multiple -extpass argumentsJakob Unterwurzacher
To support arguments containing spaces, -extpass can now be passed multiple times. https://github.com/rfjakob/gocryptfs/issues/289
2019-02-17ParseHeader: print hexdump on errorJakob Unterwurzacher
Should help debugging https://github.com/rfjakob/gocryptfs/issues/363
2019-02-17nametransform: reject names longer than 255 charsJakob Unterwurzacher
Looks like we allowed creating longer names by accident. Fix that, and add a test that verifies it.
2019-02-04Disable Trezor supportJakob Unterwurzacher
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/
2019-01-20fusefronted: comment why Access() does not check context.UidJakob Unterwurzacher
https://github.com/rfjakob/gocryptfs/issues/347
2019-01-20fusefrontend: ensure directories without W or X perms can be deletedJakob Unterwurzacher
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
2019-01-20Revert "syscallcompat: drop Faccessat AT_SYMLINK_NOFOLLOW helper"Jakob Unterwurzacher
Breaks mounting on MacOS: unix.Faccessat on Darwin does NOT (yet) support AT_SYMLINK_NOFOLLOW. See d44fe89ba4f3252c5bd00c4f7730197732f2a26a . This reverts commit 0805a63df1b5f915b228727f6074c2506922d0ad.
2019-01-20syscallcompat: drop Faccessat AT_SYMLINK_NOFOLLOW helperJakob Unterwurzacher
unix.Faccessat has added support for AT_SYMLINK_NOFOLLOW in July 2018, https://github.com/golang/sys/commit/bd9dbc187b6e1dacfdd2722a87e83093c2d7bd6e#diff-341484dbbe3180cd7a31ef2ad2d679b6 which means we no longer need our own helper. Closes https://github.com/rfjakob/gocryptfs/issues/347
2019-01-20ctlsock: fix buffer truncation of JSON unmarshal errorJakob Unterwurzacher
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
2019-01-16fusefrontend: Always use intFd() method instead of int(f.fd.Fd()).Sebastian Lackner
2019-01-16fusefrontend: Rework the Utimens handling on macOS.Sebastian Lackner
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
2019-01-15fusefrontend: Print 'too many open files' warning for both short and long names.Sebastian Lackner
While we're at it, also replace os.* constants with syscall.* constants.
2019-01-15fusefrontend_reverse: Delete leftover debug statement.Sebastian Lackner
2019-01-14tests: reduce noise on MacOSJakob Unterwurzacher
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
2019-01-14syscallcompat: fix FchmodatNofollow testsJakob Unterwurzacher
FchmodatNofollow dropped the flags parameter.
2019-01-14syscallcompat: rework Fchmodat to FchmodatNofollowJakob Unterwurzacher
We never want Fchmodat to follow symlinks, so follow what Qemu does, and call our function FchmodatNofollow.
2019-01-14syscallcompat: Drop Fstatat emulation on macOS.Sebastian Lackner
2019-01-14syscallcompat: Drop Mkdirat emulation on macOS.Sebastian Lackner
2019-01-14syscallcompat: Drop Symlinkat emulation on macOS.Sebastian Lackner
2019-01-14syscallcompat: Drop Fchownat emulation on macOS.Sebastian Lackner
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