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2018-07-07MANPAGE: add proper description textJakob Unterwurzacher
We only had an "options" section which was mislabeled as "description". Add a proper description text.
2018-07-04README: it's not a mirrorJakob Unterwurzacher
2018-07-04README: call the Markdown source "mirror"Jakob Unterwurzacher
2018-07-04macos: fix O_DIRECT build failureJakob Unterwurzacher
O_DIRECT has no direct equivalent on MacOS (check out https://github.com/libuv/libuv/issues/1600 for details). Just define it to zero there.
2018-07-02README: mention O_DIRECT changeJakob Unterwurzacher
2018-07-02fusefrontend: disallow O_DIRECT and fall back to buffered IOJakob Unterwurzacher
O_DIRECT accesses must be aligned in both offset and length. Due to our crypto header, alignment will be off, even if userspace makes aligned accesses. Running xfstests generic/013 on ext4 used to trigger lots of EINVAL errors due to missing alignment. Just fall back to buffered IO.
2018-07-02fusefronted: downgrade fallocate message severityJakob Unterwurzacher
The message causes output mismatches in xfstests generic/112. Downgrade the severity to Info so it gets disabled when using "-q".
2018-07-01Fix golint warningsJakob Unterwurzacher
2018-07-01trezor: hide behind compile tagJakob Unterwurzacher
The trezor libraries are not yet stable enough to build gocryptfs with trezor support by default. It does not even compile at the moment: $ ./build.bash -tags enable_trezor # github.com/conejoninja/tesoro/vendor/github.com/trezor/usbhid ../../conejoninja/tesoro/vendor/github.com/trezor/usbhid/hid.go:32:11: fatal error: os/threads_posix.c: No such file or directory #include "os/threads_posix.c" ^~~~~~~~~~~~~~~~~~~~ compilation terminated. https://github.com/conejoninja/tesoro/issues/9
2018-07-01fsck: handle sparse files efficiently, fix xfstests generic/285Jakob Unterwurzacher
If we encounter a 128KB block of zeros, try to skip to the next data section by calling File.SeekData(). This fixes xfstests generic/285, which creates a 17TB sparse file, and runs fsck afterwards. Without this optimization, fsck would take ages.
2018-07-01fusefrontend: add File.SeekData() functionJakob Unterwurzacher
This function will enable "gocryptfs -fsck" to handle sparse files efficiently.
2018-07-01fusefrontend: export "File" typeJakob Unterwurzacher
"gocryptfs -fsck" will need access to helper functions, and to get that, it will need to cast a gofuse.File to a fusefrontend.File. Make fusefrontend.File exported to make this work.
2018-07-01fsck: get rid of channel read closuresJakob Unterwurzacher
Create proper functions instead to declutter the logic.
2018-07-01fsck: rename "CorruptItems" channel to "MitigatedCorruptions"Jakob Unterwurzacher
Make it clear that this channel is only used to report corruptions that are transparently mitigated and do not return an error to the user.
2018-07-01fsck: suppress "no problems found" when running quietJakob Unterwurzacher
Passing "-q" now disables the "fsck summary: no problems found\n" message.
2018-07-01main: improve fuse.NewServer error messageJakob Unterwurzacher
Before: fuse.NewServer failed: "fusermount exited with code 256\n" After: fuse.NewServer failed: fusermount exited with code 256
2018-07-01Only print masterkey once on -initJakob Unterwurzacher
It is no longer printed at all when mounting a filesystem, printing on -init can be disabled with -q. https://github.com/rfjakob/gocryptfs/issues/76
2018-07-01trezor: add sanity checks for decrypted valueJakob Unterwurzacher
Check that the value has changed, is not all-zero and has the right length.
2018-07-01Implemented the support of Trezor devices.Dmitry Yu Okunev
2018-07-01main: replace naked panic with log.PanicJakob Unterwurzacher
Fix the check that failed to find the case as well.
2018-07-01trezor: reject password change on Trezor-enabled fsJakob Unterwurzacher
This is not supported (yet? does it make sense?).
2018-07-01trezor: add TrezorPayloadJakob Unterwurzacher
TrezorPayload stores 32 random bytes used for unlocking the master key using a Trezor security module. The randomness makes sure that a unique unlock value is used for each gocryptfs filesystem.
2018-07-01configfile: reduce function name stutterJakob Unterwurzacher
configfile.LoadConfFile() -> configfile.Load() configfile.CreateConfFile() -> configfile.Create()
2018-07-01trezor: exit with usage error if used together with -extpassJakob Unterwurzacher
Using an external program for the Trezor PIN is not supported at the moment.
2018-07-01trezor: add basic "-init -trezor" testJakob Unterwurzacher
Verify that the Trezor feature flag is set after "-init -trezor".
2018-07-01trezor: add skeleton for Trezor supportJakob Unterwurzacher
readpassword.Trezor() is not implemented yet and returns a hardcoded dummy key.
2018-07-01README: Add folders side-by-side animation gifJakob Unterwurzacher
10 second animation that shows what gocryptfs does.
2018-06-24configfile: use tlog.ColorYellow instead of hardcoded color codeJakob Unterwurzacher
2018-06-19Fix three golint warningsJakob Unterwurzacher
We are clean again. Warnings were: internal/fusefrontend/fs.go:443:14: should omit type string from declaration of var cTarget; it will be inferred from the right-hand side internal/fusefrontend/xattr.go:26:1: comment on exported method FS.GetXAttr should be of the form "GetXAttr ..." internal/syscallcompat/sys_common.go:9:7: exported const PATH_MAX should have comment or be unexported
2018-06-12Update README and MANPAGE for v1.5v1.5Jakob Unterwurzacher
Also update the performance numbers. I see some slowdown, reason is not yet clear, but nothing to block the release.
2018-06-12dep: fix constraints and update dependenciesJakob Unterwurzacher
Gopkg.toml was emptied out by commit c3e12b5e68637 which seemed to work fine at the time. It turns out that, in absence of a branch = "master" constraint, dep will use the last tag. We want latest master, as this is what "go get" fetches, and hence what Travis uses for testing.
2018-06-12xattr: return EOPNOTSUPP instead of ENODATA in GetXattrJakob Unterwurzacher
Reading system.posix_acl_access and system.posix_acl_default should return EOPNOTSUPP to inform user-space that we do not support ACLs. xftestest essientially does chacl -l | grep "Operation not supported" to determine if the filesystem supports ACLs, and used to wrongly believe that gocryptfs does.
2018-06-08darwin does not have PATH_MAXJakob Unterwurzacher
Define our own, with the value from Linux.
2018-06-08main: cut down "flag provided but not defined" error messageJakob Unterwurzacher
Don't dump the help text on the unsuspecting user, but give a short error message: $ gocryptfs -foobar flag provided but not defined: -foobar Invalid command line: gocryptfs -foobar. Try 'gocryptfs -help'. For comparison: This is what cp does: $ cp --foo cp: unrecognized option '--foo' Try 'cp --help' for more information. And this what we used to do: $ gocryptfs -foobar flag provided but not defined: -foobar gocryptfs v1.4.4-45-gfb772da; go-fuse v20170619-35-gb16719c; 2018-06-08 go1.10.2 Usage: gocryptfs -init|-passwd|-info [OPTIONS] CIPHERDIR or gocryptfs [OPTIONS] CIPHERDIR MOUNTPOINT Common Options (use -hh to show all): -aessiv Use AES-SIV encryption (with -init) -allow_other Allow other users to access the mount -config Custom path to config file -ctlsock Create control socket at location -extpass Call external program to prompt for the password -fg Stay in the foreground -fusedebug Debug FUSE calls -h, -help This short help text -hh Long help text with all options -init Initialize encrypted directory -info Display information about encrypted directory -masterkey Mount with explicit master key instead of password -nonempty Allow mounting over non-empty directory -nosyslog Do not redirect log messages to syslog -passfile Read password from file -passwd Change password -plaintextnames Do not encrypt file names (with -init) -q, -quiet Silence informational messages -reverse Enable reverse mode -ro Mount read-only -speed Run crypto speed test -version Print version information -- Stop option parsing You passed: "-foobar" flag provided but not defined: -foobar
2018-06-07main: forkChild: try to read /proc/self/exeJakob Unterwurzacher
On Linux, where /proc exists, this makes sure that we are executing ourselves again, and not some other copy of the gocryptfs executable. This usually does not matter, but mount(1) unsets $PATH and sets argv[0] to just "gocryptfs".
2018-06-07Set a default PATH if PATH is empty or unsetJulian Orth
mount(1) unsets PATH before calling mount.fuse. Therefore it's not set in gocrpytfs either and daemonization fails if gocryptfs was not executed via an absolute path. mount.fuse handles this by leaving the execution of the helper to /bin/sh. /bin/sh handles an empty PATH by searching a few default locations. This patch sets the PATH to a sane default if it's empty or unset.
2018-06-07main: accept -dev, -nodev, -suid, -nosuid, -exec, -noexecJakob Unterwurzacher
When mounted via /etc/fstab like this, /a /b fuse.gocryptfs default 0 0 we always get extra options passed. As reported by @mahkoh at https://github.com/rfjakob/gocryptfs/pull/233 : mount passes `-o noexec` if `-o user` is set and `-o exec` is not set. If both `-o user` and `-o exec` are set, it passes `-o exec`. Make these options work, and in addtion, also make -suid and -rw work the same way. Reported-by: @mahkoh
2018-06-05main: make prefixOArgs errors testableJakob Unterwurzacher
By returning an error instead of calling os.Exit, error cases can be tested easily. Error cases were not tested until now.
2018-05-27dep: update xattr dependencyJakob Unterwurzacher
We need LGet support from the newest release.
2018-05-27xattr: use LGet/LSet etcJakob Unterwurzacher
Support has been merged into the xattr package ( https://github.com/pkg/xattr/pull/29 ), use it.
2018-05-17tests: add "mv broken symlink" testJakob Unterwurzacher
This currently fails because we do not use llistxattr yet.
2018-05-15crossbuild.bash: call "set -x" lateJakob Unterwurzacher
Fedora 28 executes A LOT of stuff from /usr/share/Modules/ on bash startup. Having -x in the shebang means we see it all.
2018-05-15xattr: return EOPNOTSUPP for unsupported attributesJakob Unterwurzacher
mv is unhappy when we return EPERM when it tries to set system.posix_acl_access: mv: preserving permissions for ‘b/x’: Operation not permitted Now we return EOPNOTSUPP like tmpfs does and mv seems happy.
2018-05-10fsck: update testcases with binary xattrsJakob Unterwurzacher
2018-05-10xattr: optimize storage, store as binary instead of bae64Bolshevik
Values a binary-safe, there is no need to base64-encode them. Old, base64-encoded values are supported transparently on reading. Writing xattr values now always writes them binary.
2018-05-10stupidgcm: return error on too short input instead of panicingJakob Unterwurzacher
This is what Go GCM does as well.
2018-05-07xattr: added passing of a "flags" parameterBolshevik
Pass the "flags" parameter to the lower layer syscall. This makes Apple applications being able to successfully save data.
2018-05-07Updated dependencies.Bolshevik
2018-05-04tests: example_filesystems: create a private copy in /tmpJakob Unterwurzacher
The tests write to the example_filesystems folder, which 1) May leave your source tree in a modified state 2) Triggers test failures when the fsck tests run concurrently, which happens on Travis CI every now and then. Fix both problem by copying the example_filesystems folder to a private location in /tmp.
2018-05-01fusefrontend: xattr: return ENOSYS on unsupported flagsJakob Unterwurzacher
We previously returned EPERM to prevent the kernel from blacklisting our xattr support once we get an unsupported flag, but this causes lots of trouble on MacOS: Cannot save files from GUI apps, see https://github.com/rfjakob/gocryptfs/issues/229 Returning ENOSYS triggers the dotfiles fallback on MacOS and fixes the issue.
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