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For large files, the overhead will be 0.78125 %.
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If the underlying filesystem is full, it is normal get ENOSPC here.
Log at Info level instead of Warning.
Fixes xfstests generic/015 and generic/027, which complained about
the extra output.
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But make the output fold to reduce clutter.
Move wget to the install section, where output is folded by default.
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We only had an "options" section which was
mislabeled as "description". Add a proper description text.
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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.
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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.
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The message causes output mismatches in xfstests generic/112.
Downgrade the severity to Info so it gets disabled when using "-q".
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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
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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.
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This function will enable "gocryptfs -fsck" to handle
sparse files efficiently.
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"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.
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Create proper functions instead to declutter the logic.
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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.
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Passing "-q" now disables the "fsck summary: no problems found\n"
message.
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Before: fuse.NewServer failed: "fusermount exited with code 256\n"
After: fuse.NewServer failed: fusermount exited with code 256
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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
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Check that the value has changed, is not all-zero
and has the right length.
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Fix the check that failed to find the case as well.
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This is not supported (yet? does it make sense?).
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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.
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configfile.LoadConfFile() -> configfile.Load()
configfile.CreateConfFile() -> configfile.Create()
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Using an external program for the Trezor PIN is not supported
at the moment.
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Verify that the Trezor feature flag is set after "-init -trezor".
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readpassword.Trezor() is not implemented yet and returns
a hardcoded dummy key.
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10 second animation that shows what gocryptfs does.
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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
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Also update the performance numbers. I see some slowdown, reason
is not yet clear, but nothing to block the release.
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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.
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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.
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Define our own, with the value from Linux.
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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
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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".
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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.
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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
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By returning an error instead of calling os.Exit,
error cases can be tested easily. Error cases
were not tested until now.
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We need LGet support from the newest release.
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Support has been merged into the xattr package
( https://github.com/pkg/xattr/pull/29 ), use it.
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This currently fails because we do not use llistxattr
yet.
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Fedora 28 executes A LOT of stuff from /usr/share/Modules/
on bash startup. Having -x in the shebang means we see
it all.
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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.
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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.
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This is what Go GCM does as well.
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Pass the "flags" parameter to the lower layer syscall.
This makes Apple applications being able to successfully save data.
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