hardcoresushi/libgocryptfs
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Author SHA1 Message Date
Jakob Unterwurzacher
9be3d2c214 benchmark.bash: reject "-openssl" option for encfs mode 2016-12-13 22:16:21 +01:00
Jakob Unterwurzacher
15d6da6c48 benchmark.bash: add proper argument handling 2016-12-13 22:13:54 +01:00
Jakob Unterwurzacher
2bacbdf99d benchmark.bash: OSX dd does not support "K" postfix 2016-12-13 22:13:12 +01:00
Jakob Unterwurzacher
0749fbd9c9 benchmark.bash: add comments to show how to force openssl usage 2016-12-10 21:14:57 +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
e1833fa26a test.bash: call vet early 2016-12-10 14:53:04 +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
21904cd5f0 ctlsock: exit if socket cannot be created 2016-12-10 12:49:43 +01:00
Jakob Unterwurzacher
3e59041147 test.bash: check for naked "panic()" calls 2016-12-10 11:54:54 +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
6c86afb5cd build-without-openssl: compile statically 
$ ldd gocryptfs
not a dynamic executable
$ file gocryptfs
gocryptfs: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, not stripped
 2016-12-06 22:47:18 +01:00
Jakob Unterwurzacher
9b57384574 README: v1.2 includes the rendered man page in the tarball 2016-12-04 20:38:48 +01:00
Jakob Unterwurzacher
ec89eb1d76 Update README for v1.2 release 2016-12-04 19:32:23 +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
7fc93ec093 main: fix USR1 race condition, fixes test flakiness 
We could have gotten the signal before the handler was ready,
which caused the process to wait indefinitely. This was the reason
test.bash sometimes hung.
 2016-11-26 18:18:14 +01:00
Jakob Unterwurzacher
3f5c48e058 tests: don't call t.Fatal in checkExampleFS 
Calling t.Fatal means that the parent test has no chance
to clean up.
 2016-11-26 15:20:54 +01:00
Jakob Unterwurzacher
a6006c0d2b test.bash: lock against multiple parallel incovations 
Running multiple test.bash in parallel causes all kinds of
mayham.
 2016-11-26 13:43:50 +01:00
Jakob Unterwurzacher
55ea345620 Add write coalescing and -noprealloc to changelog 2016-11-26 13:09:05 +01:00
Jakob Unterwurzacher
cb5426e8ee performance.txt: add numbers for current gocryptfs master and encfs v1.9.1 2016-11-26 12:46:58 +01:00
Jakob Unterwurzacher
10884603d8 benchmark.bash: double write length 
Writing 1000 128KB blocks takes only 1 second and yielded
inconsistent results. With 2000, things look saner.
 2016-11-26 12:36:55 +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
80c50b9dbc main: give deferred functions a chance to run (fixes -cpuprofile) 2016-11-23 23:49:34 +01:00
Jakob Unterwurzacher
910fee244f benchmark.bash: allow to specify directory 2016-11-23 21:54:55 +01:00
Jakob Unterwurzacher
25d06fc809 Drop "benchmark-synthetic.bash" 
This scipt was broken for a long time and not very useful.
 2016-11-23 21:54:13 +01:00
Jakob Unterwurzacher
6f475da116 Fix golint warnings, add helper script 2016-11-17 23:40:03 +01:00
Jakob Unterwurzacher
36b4e325ca README: start list for v1.2 2016-11-17 23:34:16 +01:00
Jakob Unterwurzacher
41af353dcb tests: rename fsstress-loopback.bash to fsstress-gocryptfs.bash 
The primary use is testing gocryptfs, after all.
 2016-11-17 22:51:25 +01:00
Jakob Unterwurzacher
1bae06a16a tests: add OpenTruncateRead test 
This is a regression test for the issue that was fixed by the
last commit.
 2016-11-17 22:48:50 +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
081015aa74 MANPAGE: document ctlsock 2016-11-11 00:01:29 +01:00
Jakob Unterwurzacher
d8fb28a1c3 ctlsock: prevent panic on invalid decrypt request 2016-11-10 23:51:47 +01:00
Jakob Unterwurzacher
c2629bd9b5 tests: allow overriding hardcoded arguments in Mount helper 2016-11-10 23:47:04 +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
f4c367381e main: fix comments that reference "-f" 2016-11-01 19:04:49 +01:00
Jakob Unterwurzacher
b527e205e2 main: rename "-f" to "-fg" 
"-f" looks too much like "--force". The old variant is still
accepted for compatability.
 2016-11-01 19:00:45 +01:00
Jakob Unterwurzacher
d6678f73b4 MANPAGE: document -raw64 2016-11-01 18:53:42 +01:00