hardcoresushi/libgocryptfs
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Author SHA1 Message Date
Jakob Unterwurzacher
b96e3ee271 tlog: stop embedding log.Logger to prevent mistakes 
A few places have called tlog.Warn.Print, which directly
calls into log.Logger due to embedding, losing all features
of tlog.

Stop embedding log.Logger to make sure the internal functions
cannot be called accidentially and fix (several!) instances
that did.
 2018-02-28 09:02:18 +01:00
Jakob Unterwurzacher
ac8f8bf432 travis ci: switch to "1.10.x" notation 
"1.10" does not work as expected because it
is parsed as a floating point number:
https://github.com/travis-ci/travis-ci/issues/9247

Added benefit is that we always get the latest point
release.
 2018-02-27 18:01:24 +01:00
Jakob Unterwurzacher
7f6e4ba47a travis ci: run on Go 1.10 2018-02-27 09:59:09 +01:00
Jakob Unterwurzacher
db45f27671 ctlsock: don't Warn() on closed socket 
This Warn() is causing panics in the test suite
on MacOS: https://github.com/rfjakob/gocryptfs/issues/213
 2018-02-27 09:58:14 +01:00
Jakob Unterwurzacher
5fcfd30ddc test.bash: disable result caching 
Go 1.10 has introduced test result caching and
enabled it by default.

This does not work properly for our integration
tests because they test the compiled binary and
do not have a source level dependency on the
gocryptfs code.

Disable caching.
 2018-02-26 23:26:57 +01:00
bailey27
1ec5ccddd4 update description of link to cppcryptfs project 2018-02-22 15:50:36 +01:00
Jakob Unterwurzacher
5ad9bda206 cryptocore: make AEADTypeEnum values explicit 
We now print the number in a debug message, so define
the numeric values explicitely instead of using iota.

This way you don't have to understand how iota works
to find out what the number means. Lack of understanding
of how iota works is also the reason why the numbers
start at 3 (to keep the current behavoir).
 2018-02-18 16:20:38 +01:00
Jakob Unterwurzacher
6c6947126d cryptocore: zero derived keys 
Zero the HKDF-derived keys when we don't need them
anymore, and let the variable run of of scope.

https://github.com/rfjakob/gocryptfs/issues/211
 2018-02-18 16:07:09 +01:00
Jakob Unterwurzacher
344d7e0a6f siv_aead: create private key copy and implement wiping 
Having a private copy relieves the caller from worrying about
whether he can zero his copy. The copy can be cleared by
calling Wipe().
 2018-02-18 16:01:46 +01:00
Jakob Unterwurzacher
adf7d75d31 main: changePassword: zero masterkey 
Overwrite the masterkey with zeros once we
have encrypted it, and let it run out of scope.

Also get rid of the password duplicate in
readpassword.Twice.
 2018-02-18 15:36:14 +01:00
Jakob Unterwurzacher
2cf050d69e main: zero password once we are done with it 
Overwrite the password we have got from the user
with zeros once we don't need it anymore, and make
sure the variable runs out of scope.
 2018-02-18 15:22:22 +01:00
Jakob Unterwurzacher
3b8f5cbb17 readpassword: convert from string to []byte 
This will allows us to overwrite the password
with zeros once we are done with it.

https://github.com/rfjakob/gocryptfs/issues/211
 2018-02-18 14:26:54 +01:00
Jakob Unterwurzacher
14c063428d main: doMount: use a deferred function for wipeKeys 
Also drop the unused int return.
 2018-02-18 12:55:20 +01:00
Jakob Unterwurzacher
5b5c7a0a5d main: overwrite keys and let them run out of scope 
As soon as we don't need them anymore, overwrite
keys with zeros. Make sure they run out of scope
so we don't create a risk of inadvertedly using
all-zero keys for encryption.

https://github.com/rfjakob/gocryptfs/issues/211
 2018-02-18 12:42:22 +01:00
Jakob Unterwurzacher
bd78b44389 cryptocore, main: add two comments 
While reading the code, I had to think about what it
does, so add a comment that explains it.
 2018-02-18 12:41:11 +01:00
Jakob Unterwurzacher
0efd220d1e configfile: overwrite and let keys run out of scope 
As soon as we don't need them anymore, overwrite
keys with zeros and make sure they run out of scope
so we don't create a risk of inadvertedly using all-zero
keys for encryption.

https://github.com/rfjakob/gocryptfs/issues/211
 2018-02-18 12:39:44 +01:00
Jakob Unterwurzacher
72ddbae1e6 stupidgcm: create private copy of the key 
Relieves the caller from worrying about whether they
can overwrite the key.
 2018-02-18 12:35:51 +01:00
Jakob Unterwurzacher
18f6c6106c main: try to wipe cryptocore's secret keys on unmount 
Raise the bar for recovering keys from memory.

https://github.com/rfjakob/gocryptfs/issues/211
 2018-02-18 11:39:10 +01:00
Jakob Unterwurzacher
719693ec5d fusefrontend[_reverse]: move crypto init up to caller 
Both fusefrontend and fusefrontend_reverse were doing
essentially the same thing, move it into main's
initFuseFrontend.

A side-effect is that we have a reference to cryptocore
in main, which will help with wiping the keys on exit
(https://github.com/rfjakob/gocryptfs/issues/211).
 2018-02-18 11:21:58 +01:00
Jakob Unterwurzacher
eeed4b4bef stupidgcm: implement key wipe 
Not bulletproof due to possible GC copies, but
still raises to bar for extracting the key.

https://github.com/rfjakob/gocryptfs/issues/211
 2018-02-17 15:14:55 +01:00
Jakob Unterwurzacher
7e0fefe970 stupidgcm: switch to pointer receivers 
What the key slice does not get copied around
will make it possible to check if the key has been wiped.
 2018-02-17 15:02:01 +01:00
Jakob Unterwurzacher
a3694e0c07 benchmark.bash: print tested version 2018-02-06 23:03:07 +01:00
Jakob Unterwurzacher
a624aab8a1 README: Mention min required Go version 2018-02-05 22:24:51 +01:00
Jakob Unterwurzacher
8151222ada gccgo: skip emulateGetdents on linux 
The test is known to fail on gccgo
(https://github.com/rfjakob/gocryptfs/issues/201), but
getdents emulation is not used on linux, so let's skip
the test and ignore the failure.
 2018-02-04 21:14:12 +01:00
Felix Lechner
bf2f9640c4 Fix spelling (#205) 2018-02-04 20:38:22 +01:00
Felix Lechner
5b986288cf Fix assignment error in Unix2syscall by converting Timespec into Nsec (#203) 
$ go.gcc build
# github.com/rfjakob/gocryptfs/internal/syscallcompat
internal/syscallcompat/unix2syscall_linux.go:32:13: error: incompatible types in assignment (cannot use type int64 as type syscall.Timespec_sec_t)
  s.Atim.Sec = u.Atim.Sec
             ^
 2018-02-03 13:42:49 +01:00
Jakob Unterwurzacher
866e850842 MANPAGE: improve markdown rendering 
The man page is rendered on github at
https://github.com/rfjakob/gocryptfs/blob/master/Documentation/MANPAGE.md .
Improve formatting a little.
 2018-02-03 13:39:07 +01:00
Jakob Unterwurzacher
9f8d0d8e57 gccgo: replace syscall.NAME_MAX with unix.NAME_MAX 
For some reason the syscall.NAME_MAX constant does not exist
on gccgo, and it does not hurt us to use unix.NAME_MAX instead.

https://github.com/rfjakob/gocryptfs/issues/201
 2018-02-01 23:50:11 +01:00
Jakob Unterwurzacher
26ba8103bf syscallcompat: switch from syscall.Getdents to unix.Getdents 
On mips64le, syscall.Getdents() and struct syscall.Dirent do
not fit together, causing our Getdents implementation to
return garbage ( https://github.com/rfjakob/gocryptfs/issues/200
and https://github.com/golang/go/issues/23624 ).

Switch to unix.Getdents which does not have this problem -
the next Go release with the syscall package fixes is too
far away, and will take time to trickle into distros.
 2018-01-31 18:59:10 +01:00
Jakob Unterwurzacher
b611e01035 Update deps 2018-01-31 18:57:41 +01:00
Kenneth Newwood
8afcb43b83 added usage of reverse mode to README 2018-01-28 15:40:20 +01:00
Jakob Unterwurzacher
f3838c09d8 syscallcompat: hardcode maxReclen = 280 for all architectures 
Due to padding between entries, it is 280 even on 32-bit architectures.
See https://github.com/rfjakob/gocryptfs/issues/197 for details.
 2018-01-25 22:22:13 +01:00
Jakob Unterwurzacher
b318572312 syscallcompat: fix reversed warning output 
We used to print somewhat strange messages:

	Getdents: corrupt entry #1: Reclen=276 > 280. Returning EBADR

Reported at https://github.com/rfjakob/gocryptfs/issues/197
 2018-01-25 21:42:15 +01:00
rfjakob
163964b090
Update README.md 
README: add missing word
 2018-01-25 21:35:57 +01:00
Jakob Unterwurzacher
ea51837361 fusefrontend: drop unused haveGetdents warning 
We don't actually print that warning anymore.
 2018-01-25 09:06:06 +01:00
Jakob Unterwurzacher
de878a3346 syscallcompat: explain why we don't use syscall.ParseDirent() 
syscall.ParseDirent only returns the NAMES, we want
everything.
 2018-01-25 08:43:30 +01:00
Jakob Unterwurzacher
7015a6ebfb Documentation: update xfstests output 
Also update the v1.4.3 release date to today.
The release was delayed one day.
 2018-01-21 20:49:17 +01:00
Jakob Unterwurzacher
991708af01 Documentation: add extractloop example output 2018-01-21 20:04:37 +01:00
Jakob Unterwurzacher
f63ce35b3d Update changelog for 1.4.3 2018-01-20 14:27:03 +01:00
Jakob Unterwurzacher
735b92c48b Travis CI: also build with vendored dependencies 2018-01-20 13:49:20 +01:00
Jakob Unterwurzacher
6d46c4f31c dep: update dependencies 
We needed a newer version of x/sys/unix to compile,
and we want the fixes in go-fuse.
 2018-01-20 13:49:20 +01:00
Jakob Unterwurzacher
bac7ef4834 MacOS: rely on OSXFuse to create the mountpoint 
As reported in https://github.com/rfjakob/gocryptfs/issues/194 ,
OSXFuse creates the mountpoint if it does not exist.
 2018-01-20 13:42:29 +01:00
Jakob Unterwurzacher
277ad087ff MANPAGE: improve description of -o and -ko 
Was unclear for new users - see https://github.com/rfjakob/gocryptfs/issues/194
 2018-01-20 13:35:26 +01:00
Jakob Unterwurzacher
a2677bce2a fusefrontend_reverse: use OpenNofollow in virtualFile.GetAttr 
Makes it robust against symlink races.

Final piece, closes https://github.com/rfjakob/gocryptfs/issues/165
 2018-01-17 21:36:38 +01:00
Jakob Unterwurzacher
959e1fc1e2 fusefrontend_reverse: use OpenNofollow in findLongnameParent 
Protects findLongnameParent against symlink races.

Also add comments to several functions along the way.

Reported at https://github.com/rfjakob/gocryptfs/issues/165
 2018-01-17 20:54:05 +01:00
Jakob Unterwurzacher
8951eb2472 fusefronted: add PlaintextNames special-cases for Create & Rename 
gocryptfs.longname.XXX files were considered magic in PlaintextNames
mode, which was wrong.

Fix that and add tests.

Fixes https://github.com/rfjakob/gocryptfs/issues/174
 2018-01-17 00:25:36 +01:00
Jakob Unterwurzacher
36ffd813cd Run go fmt 2018-01-16 23:18:53 +01:00
Jakob Unterwurzacher
7d477d692b MacOS: rely on OSXFuse to create mountpoint below /Volumes 
OSXFuse automatically creates the mountpoint if it is
below /Volumes because this would require root permissions
which the user might not have.

Reported at https://github.com/rfjakob/gocryptfs/issues/194
 2018-01-16 23:18:53 +01:00
Felix Lechner
a4dff6aea0 Provide basic man page for xray tool (#193) 
Provide basic man page for xray tool
 2018-01-10 20:27:03 +01:00
Felix Lechner
63c3878b7c Fix spelling 2018-01-10 09:26:48 +01:00