hardcoresushi/libgocryptfs
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230 Commits

Author SHA1 Message Date
Jakob Unterwurzacher
fe1705c55b reverse: add single-entry path cache 
Speeds up the "ls -lR" benchmark from 2.6 seconds to 2.0.
 2017-01-03 18:14:01 +01:00
Jakob Unterwurzacher
ef089c9f80 reverse: factor out rDecryptName 
This prepares the code for the introduction of a path cache.
 2017-01-03 17:46:11 +01:00
Jakob Unterwurzacher
8be54bf3f8 prefer_openssl: default to Go GCM on OSX 2016-12-10 21:04:17 +01:00
Jakob Unterwurzacher
12374be9c5 ctlsock: abort the connection if the request is too big 
Reading partial JSON would cause a mess. Just kill the connection.

Also, stop using syscall.PathMax that is not defined on Darwin
( https://github.com/rfjakob/gocryptfs/issues/15#issuecomment-264253024 )
 2016-12-10 20:43:08 +01:00
Jakob Unterwurzacher
8945f4db95 ctlsock: add a note about Accept() throwing errors on Close() 2016-12-10 15:01:00 +01:00
Jakob Unterwurzacher
6af725ff09 ctlsock: exit early if socket cannot be created; delete on exit 
Both are achieved by opening the socket from main and passing
it to the ctlsock package instead of passing the path.
 2016-12-10 14:54:06 +01:00
Jakob Unterwurzacher
967e7bd125 stupidgcm: Fix without_openssl build failure 
Also, always call build-without-openssl.bash from test.bash.

Failure was:

  internal/stupidgcm/without_openssl.go:29: missing return at end of function
 2016-12-10 13:15:19 +01:00
Jakob Unterwurzacher
2758c75cae ctlsock: sanitize paths before passing them to the backend 
You used to be able to crash gocryptfs by passing "/foo"
of "foo/" to the ctlsock.

Fixes https://github.com/rfjakob/gocryptfs/issues/66
 2016-12-10 12:59:54 +01:00
Jakob Unterwurzacher
c9f4400e6d Replace all calls to naked panic() with log.Panic() 
We want all panics to show up in the syslog.
 2016-12-10 11:54:36 +01:00
Jakob Unterwurzacher
55df8acac3 fusefrontend: preserve owner for symlinks 
https://github.com/rfjakob/gocryptfs/issues/64
 2016-11-28 23:15:24 +01:00
Jakob Unterwurzacher
e3c5e3f1c8 fusefronted: preserve owner for device nodes and sockets 
https://github.com/rfjakob/gocryptfs/issues/64
 2016-11-28 23:09:47 +01:00
Jakob Unterwurzacher
a66440c668 fusefrontend: use Lchown when preserving owner 
This prevents (unlikely) symlink race attacks
 2016-11-28 22:46:04 +01:00
Jakob Unterwurzacher
0f8d3318a3 main, fusefrontend: add "-noprealloc" option 
Preallocation is very slow on hdds that run btrfs. Give the
user the option to disable it. This greatly speeds up small file
operations but reduces the robustness against out-of-space errors.

Also add the option to the man page.

More info: https://github.com/rfjakob/gocryptfs/issues/63
 2016-11-25 09:19:14 +01:00
Jakob Unterwurzacher
024511d9c7 fusefrontend: coalesce 4kB writes 
This improves performance on hdds running ext4, and improves
streaming write performance on hdds running btrfs. Tar extract
slows down on btrfs for some reason.

See https://github.com/rfjakob/gocryptfs/issues/63

Benchmarks:

encfs v1.9.1
============

$ ./benchmark.bash -encfs /mnt/hdd-ext4
Testing EncFS at /mnt/hdd-ext4/benchmark.bash.u0g
WRITE: 131072000 bytes (131 MB, 125 MiB) copied, 1,48354 s, 88,4 MB/s
UNTAR: 20.79
LS:    3.04
RM:    6.62

$ ./benchmark.bash -encfs /mnt/hdd-btrfs
Testing EncFS at /mnt/hdd-btrfs/benchmark.bash.h40
WRITE: 131072000 bytes (131 MB, 125 MiB) copied, 1,52552 s, 85,9 MB/s
UNTAR: 24.51
LS:    2.73
RM:    5.32

gocryptfs v1.1.1-26-g4a7f8ef
============================

$ ./benchmark.bash /mnt/hdd-ext4
Testing gocryptfs at /mnt/hdd-ext4/benchmark.bash.1KG
WRITE: 131072000 bytes (131 MB, 125 MiB) copied, 1,55782 s, 84,1 MB/s
UNTAR: 22.23
LS:    1.47
RM:    4.17

$ ./benchmark.bash /mnt/hdd-btrfs
Testing gocryptfs at /mnt/hdd-btrfs/benchmark.bash.2t8
WRITE: 131072000 bytes (131 MB, 125 MiB) copied, 6,87206 s, 19,1 MB/s
UNTAR: 69.87
LS:    1.52
RM:    5.33

gocryptfs v1.1.1-32
===================

$ ./benchmark.bash /mnt/hdd-ext4
Testing gocryptfs at /mnt/hdd-ext4/benchmark.bash.Qt3
WRITE: 131072000 bytes (131 MB, 125 MiB) copied, 1,22577 s, 107 MB/s
UNTAR: 23.46
LS:    1.46
RM:    4.67

$ ./benchmark.bash /mnt/hdd-btrfs/
Testing gocryptfs at /mnt/hdd-btrfs//benchmark.bash.XVk
WRITE: 131072000 bytes (131 MB, 125 MiB) copied, 3,68735 s, 35,5 MB/s
UNTAR: 116.87
LS:    1.84
RM:    6.34
 2016-11-25 09:03:32 +01:00
Jakob Unterwurzacher
6f475da116 Fix golint warnings, add helper script 2016-11-17 23:40:03 +01:00
Jakob Unterwurzacher
0489d08ae2 fusefrontend: get the file ID from the open files table 
This fixes the problem that a truncate can reset the file
ID without the other open FDs noticing it.
 2016-11-17 22:29:45 +01:00
Jakob Unterwurzacher
e04dc05012 fusefrontend: upgrade wlockMap to use device AND inode number 
If there are multiple filesystems backing the gocryptfs filesystems
inode numbers are not guaranteed to be unique.
 2016-11-17 20:32:19 +01:00
Jakob Unterwurzacher
d8fb28a1c3 ctlsock: prevent panic on invalid decrypt request 2016-11-10 23:51:47 +01:00
Jakob Unterwurzacher
c03fc46a51 ctlsock: implement EncryptPath for reverse mode, add tests 2016-11-10 23:32:51 +01:00
Jakob Unterwurzacher
d3764b7753 reverse: fix longname decoding bug 
This could have caused spurious ENOENT errors.

That it did not cause these errors all the time is interesting
and probably because an earlier readdir would place the entry
in the cache. This masks the bug.
 2016-11-10 23:30:30 +01:00
Jakob Unterwurzacher
e7f57695a6 Fix golint warnings 
$ golint ./... | grep -v underscore | grep -v ALL_CAPS
internal/fusefrontend_reverse/rfs.go:52:36: exported func NewFS returns unexported type *fusefrontend_reverse.reverseFS, which can be annoying to use
internal/nametransform/raw64_go1.5.go:10:2: exported const HaveRaw64 should have comment (or a comment on this block) or be unexported
 2016-11-10 00:38:01 +01:00
Jakob Unterwurzacher
75ebb28a62 ctlsock: add initial limited implementation 
At the moment, in forward mode you can only encrypt paths
and in reverse mode you can only decrypt paths.
 2016-11-10 00:27:08 +01:00
Jakob Unterwurzacher
df28fc5a11 nametransform: get rid of leading "./" 
Paths in the root directory were encrypted to this:

    foobar -> ./N9vPc0gXUY4PDSt0-muYXQ==
 2016-11-09 23:41:47 +01:00
Jakob Unterwurzacher
df1e3a10c4 nametransform: nicer error message on empty gocryptfs.diriv 
Old:

	Nov 06 13:34:38 brikett gocryptfs[16228]: ReadDirIVAt: Read failed: EOF
	Nov 06 13:34:38 brikett gocryptfs[16228]: go-fuse: can't convert error type: EOF

New:

	Nov 06 14:08:43 brikett gocryptfs[17361]: ReadDirIVAt: wanted 16 bytes, got 0. Returning EINVAL.
 2016-11-06 14:09:34 +01:00
Jakob Unterwurzacher
d15122d3d6 Add Go 1.4 compatibility layer for raw64 
Using raw64 will not work, but at least it will compile.
 2016-11-01 19:25:59 +01:00
Jakob Unterwurzacher
2b991c9743 Add support for unpadded base64 filenames, "-raw64" 
Through base64.RawURLEncoding.

New command-line parameter "-raw64".
 2016-11-01 18:43:22 +01:00
Jakob Unterwurzacher
944eaf2fb5 fusefronted: expire dir IV cache after one second 
The Back In Time backup tool (https://github.com/bit-team/backintime)
wants to write directly into the ciphertext dir.
This may cause the cached directory IV to become out-of-date.
Having an expiry time limits the inconstency to one second, like
attr_timeout does for the kernel getattr cache.
 2016-11-01 10:57:39 +01:00
Jakob Unterwurzacher
a9c7565b80 fusefrontend: refactor dirIVCache 
Simplify the code a bit.
 2016-11-01 10:34:41 +01:00
Jakob Unterwurzacher
c2192cfcad fusefrontend: drop atime workarounds 
The fix at https://github.com/hanwen/go-fuse/pull/131 has been merged.
Drop the workarounds and re-enable the tests.
 2016-10-30 16:29:36 +01:00
Jakob Unterwurzacher
85f1fd0b0f fusefronted: more concise corrupt block log message 
Calculating the block offset is easy enough, even more now
that gocryptfs-xray exists.
 2016-10-28 21:18:36 +02:00
Jakob Unterwurzacher
012152f3d1 fusefrontend: I/O error instead of panic on all-zero nonce 
Running xfstests generic/075 on tmpfs often triggered a panic
for what seems to be a tmpfs bug.

Quoting from the email to lkml,
http://www.spinics.net/lists/kernel/msg2370127.html :

	tmpfs seems to be incorrectly returning 0-bytes when reading from
	a file that is concurrently being truncated.
 2016-10-28 21:18:36 +02:00
Jakob Unterwurzacher
a08d55f42d fusefronted: optimize NFS streaming writes by saving one Stat() 
Stat() calls are expensive on NFS as they need a full network
round-trip. We detect when a write immediately follows the
last one and skip the Stat in this case because the write
cannot create a file hole.

On my (slow) NAS, this takes the write speed from 24MB/s to
41MB/s.
 2016-10-28 21:17:53 +02:00
Jakob Unterwurzacher
d64ccf7cf4 fusefrontend: move hole padding check out of Write() 
The details of the hole handling don't have to be in
Write, so move it away.
 2016-10-25 22:37:45 +02:00
Jakob Unterwurzacher
6538dc15af fusefrontend: rename "createsHole" to clearer "createsCiphertextHole" 
...and add comments for what is happening.
 2016-10-25 21:19:37 +02:00
Jakob Unterwurzacher
aeda9721d0 Fix misspellings 
Close https://github.com/rfjakob/gocryptfs/issues/54
 2016-10-24 19:18:13 +02:00
Jakob Unterwurzacher
a74a7e7f54 configfile: add newline at the end 
For convenience for the user, add a newline at the end.
Reported as #51 .
 2016-10-21 08:43:39 +02:00
Jakob Unterwurzacher
589748548f tests: add 1980.tar.gz extract test 
Test that we get the right timestamp when extracting a tarball.

Also simplify the workaround in doTestUtimesNano() and fix the
fact that it was running no test at all.
 2016-10-19 22:25:54 +02:00
Jakob Unterwurzacher
600ceece35 lint fixes 2016-10-19 01:12:45 +02:00
Jakob Unterwurzacher
891a3b4c8a fusefrontend: Utimens: one more band-aid 
Revert once https://github.com/hanwen/go-fuse/pull/131 is merged.
 2016-10-16 20:20:00 +02:00
Jakob Unterwurzacher
c487e176bd main: allow password change with -masterkey 
Requested at https://github.com/rfjakob/gocryptfs/issues/28
 2016-10-16 18:17:28 +02:00
Jakob Unterwurzacher
b2d33028a6 readpassword: check extpass return code 
...and exit if it is not zero.
 2016-10-16 16:44:27 +02:00
Jakob Unterwurzacher
5144470e3d fusefrontend: Utimens: ugly band-aid for nil pointer crash in go-fuse 
Crash is described at https://github.com/rfjakob/gocryptfs/issues/48 .
Revert this once https://github.com/hanwen/go-fuse/pull/131 is merged.
 2016-10-16 15:08:05 +02:00
Jakob Unterwurzacher
35219d0022 fusefrontend: log missing gocryptfs.diriv 
This can happen during normal operation when the directory has
been deleted concurrently. But it can also mean that the
gocryptfs.diriv is missing due to an error, so log the event
at "info" level.
 2016-10-16 15:04:59 +02:00
Jakob Unterwurzacher
828f718483 fusefrontend: Also preserve the owner in Mkdir 
This already worked for files but was missing for dirs.
 2016-10-10 08:53:29 +02:00
Jakob Unterwurzacher
d3b78fea95 reverse: add panics against API abuse 
These should help prevent later programming errors.
 2016-10-09 17:05:12 +02:00
Jakob Unterwurzacher
d25fcc6a4b reverse: gocryptfs.conf was missing from the directory listings 
Fix the test for that and add checks in example_filesystems_test.
 2016-10-08 22:25:08 +02:00
Jakob Unterwurzacher
e47577834b reverse: merge config translation check into isTranslatedConfig 
Also get rid of useless isFiltered function.
 2016-10-08 21:14:16 +02:00
Jakob Unterwurzacher
f054353bd3 reverse: make gocryptfs.conf mapping plaintextnames-aware 
Only in plaintextnames-mode AND with the config file at the
default location it will be mapped into the mountpoint.

Also adds a test for that.
 2016-10-08 20:57:38 +02:00
Jakob Unterwurzacher
53257f4ee5 nametransform: better error code on invalid diriv length 
go-fuse translates errors unknown to it into "function not
implemented", which is wrong in this case.
 2016-10-07 22:40:30 +02:00
Jakob Unterwurzacher
ff48dc1aab reverse: initialize the longname cache only when reverse mode is used 
Gets rid of the idling longnameCacheCleaner thread in "normal" mode.
 2016-10-05 22:22:28 +02:00
Jakob Unterwurzacher
a4956fa6bf A few more lint fixes 2016-10-04 23:30:05 +02:00
Valient Gough
b764917cd5 lint fixes 2016-10-04 23:18:33 +02:00
Jakob Unterwurzacher
db5782028a tests: skip tests with -openssl=false on Go 1.4 and lower 
Go versions 1.4 and lower lack NewGCMWithNonceSize(), which causes
a panic in the test.
 2016-10-04 22:34:12 +02:00
Romain
db72a4489d fusefrontend_reverse cast Stat_t.Dev to uint64 (#44) 
The [Stat_t.Dev](https://golang.org/pkg/syscall/#Stat_t) docs say `Dev` is a `unit64`, but on [macOS amd64](https://golang.org/src/syscall/ztypes_darwin_amd64.go) it's an `int32`.
 2016-10-04 15:03:47 +02:00
Jakob Unterwurzacher
56c0b19612 without_openssl: support compiling completely without openssl 
Build helper script: build-without-openssl.bash
 2016-10-04 09:51:14 +02:00
Jakob Unterwurzacher
a00402cc47 cryptocore: rename "gcm" variable to generic "aeadCipher" 
As we now also support AES-SIV the old name is no longer
correct.
 2016-10-04 00:17:09 +02:00
Jakob Unterwurzacher
bb52937834 cryptocore: derive 512-bit key for AES-SIV 
AES-SIV uses 1/2 of the key for authentication, 1/2 for
encryption, so we need a 64-byte key for AES-256. Derive
it from the master key by hashing it with SHA-512.
 2016-10-04 00:16:56 +02:00
Jakob Unterwurzacher
46018785b4 siv_aead: Overhead is always 16 
Add a test for that.

Also test operations using a 64-byte key.
 2016-10-03 23:58:19 +02:00
Jakob Unterwurzacher
a2510efe12 reverse: use per-purpose nonce generation 
Also pull all the deterministic nonce code into fusefrontend_reverse
to greatly simplify the normal code path.
 2016-09-29 21:56:49 +02:00
Jakob Unterwurzacher
bce96b5095 reverse: move newDirIVFile into virtualfile.go 
After all, is's a virtual file.
 2016-09-28 23:30:13 +02:00
Jakob Unterwurzacher
e9bb8b800c reverse: switch from GCM-SIV to AES-SIV 
GCM-SIV is not yet finalized, and the reference implemenation is
painfully slow at about 2 MB/s. Switch to AES-SIV.
 2016-09-26 23:25:13 +02:00
Jakob Unterwurzacher
d9fc652df0 siv_aead: add AES-SIV AEAD wrapper 2016-09-26 23:06:40 +02:00
Jakob Unterwurzacher
0e277ba19e stupidgcm: add GCM-SIV benchmark 
On a CPU without AES-NI:

$ go test -bench .
Benchmark4kEncStupidGCM-2   	   50000	     24155 ns/op	 169.57 MB/s
Benchmark4kEncGoGCM-2       	   20000	     93965 ns/op	  43.59 MB/s
Benchmark4kEncGCMSIV-2      	     500	   2576193 ns/op	   1.59 MB/s
 2016-09-25 20:04:55 +02:00
Jakob Unterwurzacher
28838a489d nametransform: downgrade invalid length warning 
This happens all the time in reverse mode when somebody stats
an encrypted symlink target.
 2016-09-25 19:50:16 +02:00
Jakob Unterwurzacher
5f4b16c00f Implement changes proposed by gosimple. 
Also delete the unused "dirIVNameStruct", found by deadcode.
 2016-09-25 19:48:21 +02:00
Jakob Unterwurzacher
166ba74a05 tests: enable all go vet checks 
...and fix reported errors:

internal/fusefrontend_reverse/rfile.go:40: github.com/rfjakob/gocryptfs/internal/contentenc.FileHeader composite literal uses unkeyed fields
internal/fusefrontend_reverse/rfs.go:249: github.com/hanwen/go-fuse/fuse.DirEntry composite literal uses unkeyed fields
internal/fusefrontend_reverse/rfs.go:264: github.com/hanwen/go-fuse/fuse.DirEntry composite literal uses unkeyed fields
 2016-09-25 19:02:12 +02:00
Jakob Unterwurzacher
c7b3150afc nametransform: delete unused function DecryptPathDirIV 2016-09-25 18:56:23 +02:00
Jakob Unterwurzacher
abd61d968d contentenc: rename constant "IVBitLen" to "DefaultIVBits" and clarify comment 
128-bit IVs are NOT used everywhere.
 2016-09-25 18:40:29 +02:00
Jakob Unterwurzacher
b883dd10a6 reverse: add symlink encryption and Readlink support 2016-09-25 18:01:24 +02:00
Jakob Unterwurzacher
12808138ef contentenc: add "ExternalNonce" mode 
This will be used for strong symlink encryption in reverse mode.
 2016-09-25 17:44:19 +02:00
Jakob Unterwurzacher
32e55261ca fusefrontend: handle Readlink directly 
Calling into go-fuse's loopbackFileSystem does not add
any value here.
 2016-09-25 17:01:39 +02:00
Jakob Unterwurzacher
2050c7f3b3 reverse: add gcmsiv flag and associated tests 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
7bbf6ad6ea reverse: derive file ID and block IVs from file paths 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
52a6f4f71e reverse: add longnameParentCache 
findLongnameParent has to read the whole directory to find the
right file; add a simple cache to avoid most directory scans.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
a6a7b424f8 reverse: resolve long names in Open and GetAttr 
The last patch added functionality for generating gocryptfs.longname.*
files, this patch adds support for mapping them back to the full
filenames.

Note that resolving a long name needs a full readdir. A cache
will be implemented later on to improve performance.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
35bcc2dca2 reverse: transform long names in OpenDir 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
b34a665da4 nametransform: implement ReadDirIV without Openat 
As ReadDirIV operates on a path anyway, opening the directory
has no clear safety advantage w.r.t. concurrent renames.

If the backing directory is a reverse-mounted gocryptfs filesystem,
each directory open is an OPENDIR, and this causes a full directory
read!

This patch improves the "ls -lR" performance of an

  DIR --> gocryptfs-reverse --> gocryptfs

chain by a factor of ~10.

OPENDIR counts for ls -lR:
  Before 15570
  After   2745
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
01c18dbcab nametransform: return EINVAL on invalid padding 
With the generic fmt.Errorf we trigger a warning from go-fuse:

  2016/09/21 21:42:31 can't convert error type: Invalid padding
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
d76e7aadb4 reverse: use dynamic inode numbers 
...with stable mappings for hard-linked files.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
5f726aaa9d contentenc: add GCM-SIV support 
Also add ReverseDummyNonce nonce generation.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
7f87ed78f2 cryptocore: add support for GCM-SIV 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
d1762c5b95 reverse: fix GetAttr for gocryptfs.conf 
And also don't return the encrypted version of
.gocryptfs.reverse.conf in readdir.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
3d59c7dd6a reverse: add gocryptfs.conf passthrough 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
1932248446 reverse: get rid of debug message 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
ce22ab36e1 reverse: gocryptfs.diriv content was generated from wrong path 
Should be derived from the directory name only.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
7faa267bd4 reverse: rename readFile to clearer readBackingFile 
Also refactor the header generation for nicer code.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
be9dfe3a89 reverse: implement dynamic diriv 
Introduce a unique per-directory diriv that is generated
by hashing the encrypted directory path.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
10f38e8870 reverse: generate file header for Read() 
Also create virtual gocryptfs.diriv entries (no content yet).
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
ac1221395e nametransform: export DirIVLen constant 
Will be needed by reverse mode.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
e42ab3908d reverse: print value in file offset panic 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
777eb8e62f reverse: rename types to reverseXYZ 
...to prevent confusion with the forward variants.

FS   -> reverseFS
file -> reverseFile

Also add an incomplete read implementation.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
5931eea387 contentenc: add helpers for reverse mode 
Add the reverse variant of DecryptBlocks etc:

* EncryptBlocks
* JointPlaintextRange
* ExplodeCipherRange
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
1d4c6288f2 main: initial support for reverse mode 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
1d62086742 conentenc: handle zero-sized files in PlainSizeToCipherSize 
Previously caused an integer underflow.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
9237b4f53e reverse: add skeleton 
Compiles but does not do much else.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
fca1b82417 fusefrontend: relay Utimens to go-fuse 
Commit af5441dcd9 has caused a
regression ( https://github.com/rfjakob/gocryptfs/issues/35 )
that is fixed by this commit.

The go-fuse library by now has all the syscall wrappers in
place to correctly handle Utimens, also for symlinks.

Instead of duplicating the effort here just call into go-fuse.

Closes #35
 2016-09-25 16:30:29 +02:00
Jakob Unterwurzacher
af5441dcd9 fusefrontend: use NsecToTimespec() for Utimens 
This fixes a build problem on 32-bit hosts:

  internal/fusefrontend/file.go:400: cannot use a.Unix() (type int64) as
  type int32 in assignment
  internal/fusefrontend/file.go:406: cannot use m.Unix() (type int64) as
  type int32 in assignment

It also enables full nanosecond timestamps for dates
after 1970.
 2016-08-09 22:18:46 +02:00
Jakob Unterwurzacher
7395b8e990 cryptocore: comment why 96-bit IVs are still supported 2016-07-31 13:36:38 +02:00
Jakob Unterwurzacher
e8a234f658 Add godoc comments to all internal packages 2016-07-06 21:51:25 +02:00
Jakob Unterwurzacher
603e144f5e prefer_openssl: OSX: get rid of /proc warnings 
OSX does not have /proc/cpuinfo, but let's not warn
the user about it.
 2016-07-04 08:19:26 +02:00