hardcoresushi/libgocryptfs
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97 Commits

Author SHA1 Message Date
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
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
Jakob Unterwurzacher
47b13e0a8d Documentation: Add reverse mode benchmark results 2017-12-05 22:54:08 +01:00
Sebastian Lackner
f3c777d5ea main: Add '-devrandom' commandline option 
Allows to use /dev/random for generating the master key instead of the
default Go implementation. When the kernel random generator has been
properly initialized both are considered equally secure, however:

* Versions of Go prior to 1.9 just fall back to /dev/urandom if the
  getrandom() syscall would be blocking (Go Bug #19274)

* Kernel versions prior to 3.17 do not support getrandom(), and there
  is no check if the random generator has been properly initialized
  before reading from /dev/urandom

This is especially useful for embedded hardware with low-entroy. Please
note that generation of the master key might block indefinitely if the
kernel cannot harvest enough entropy.
 2017-11-21 23:37:06 +01:00
Jakob Unterwurzacher
e36a0ebf18 main: add "-sharedstorage" flag 
At the moment, it does two things:

1. Disable stat() caching so changes to the backing storage show up
   immediately.
2. Disable hard link tracking, as the inode numbers on the backing
   storage are not stable when files are deleted and re-created behind
   our back. This would otherwise produce strange "file does not exist"
   and other errors.

Mitigates https://github.com/rfjakob/gocryptfs/issues/156
 2017-11-12 20:06:13 +01:00
Jakob Unterwurzacher
b3c20e512f MANPAGE: explain that you may have to pass -aessiv with -masterkey 
...if the filesystem was created with that option (or reverse
mode).

Mitigates https://github.com/rfjakob/gocryptfs/issues/148
 2017-10-19 22:04:46 +02:00
Jakob Unterwurzacher
f0e29d9b90 performance.txt: specify READ tests 2017-09-10 18:42:06 +02:00
Jakob Unterwurzacher
a710451d92 performance.txt: update for v1.4.1 latest commits, and kernel update 
$ uname -a
Linux brikett 4.12.5-300.fc26.x86_64 #1 SMP Mon Aug 7 15:27:25 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
 2017-09-03 14:25:01 +02:00
Jakob Unterwurzacher
26a6e61a46 MANPAGE: update exit codes 
The exit codes have been documented in CLI_ABI.md for a while,
but they should also be listed in the man page.

Also fix the rendering of "[-o COMMA-SEPARATED-OPTIONS]", where
the square brackets where interpreted as something. Escape all
square brackets to be safe.
 2017-08-21 20:53:25 +02:00
Jakob Unterwurzacher
838bf883df Update performance.txt for Linux kernel upgrade 
For some reason, writing became a lot faster in Linux 4.11
(scheduler improvements?).
 2017-08-15 19:13:00 +02:00
Jakob Unterwurzacher
069647842c Update performance.txt for to Getdents change 2017-08-15 19:07:08 +02:00
Jakob Unterwurzacher
d5671b785a docs: label "ENV CHANGE" column 2017-08-15 19:04:02 +02:00
Jakob Unterwurzacher
b3e554acc2 Update performance.txt with new results 
Massive speed boost for streaming reads.
 2017-07-01 10:00:50 +02:00
Jakob Unterwurzacher
2932a285aa Update performance.txt with new numbers 2017-06-29 23:45:39 +02:00
Jakob Unterwurzacher
dee88f3c4d Update performance.txt with new numbers 2017-06-29 19:00:16 +02:00
Jakob Unterwurzacher
5c7b5770ce Update performance numbers 2017-06-20 21:46:27 +02:00
Jakob Unterwurzacher
bfe421b327 MANPAGE: reorder options to match "-hh" output; add "-hkdf", "-trace" 2017-06-20 19:49:18 +02:00
Jakob Unterwurzacher
afc3a8252b Add performance numbers for v1.3-69-ge52594d 2017-06-11 21:58:01 +02:00
Jakob Unterwurzacher
24a7b1b7b8 Add performance numbers for last change 
Slight streaming write improvement.
 2017-06-11 21:44:24 +02:00
Jakob Unterwurzacher
b5358ea623 performance.txt: add numbers for latest change 
Also, get rid of the half-empty line.
 2017-06-09 22:13:23 +02:00
Jakob Unterwurzacher
53b7c17261 Don't cap GOMAXPROCS at 4. 
Before Go 1.5, GOMAXPROCS defaulted to 1, hence it made
sense to unconditionally increase it to 4.

But since Go 1.5, GOMAXPROCS defaults to the number of cores,
so don't keep it from increasing above 4.

Also, update the performance numbers.
 2017-06-01 20:55:13 +02:00
Charles Duffy
cf1ded5236 Implement force_owner option to display ownership as a specific user. 2017-06-01 00:26:17 +02:00
Jakob Unterwurzacher
1e598e96fc main: add "-info" option 
Pretty-prints the config while stripping out sensitive
(and uninteresting) data

https://github.com/rfjakob/gocryptfs/issues/111
 2017-05-30 19:01:32 +02:00
Jakob Unterwurzacher
bfc8d47747 doc: add performance numbers for 1.3-27 2017-05-25 21:30:58 +02:00
Jakob Unterwurzacher
86c06fc172 doc: CLI_ABI.md: fix exitcodes.go link 
Needs a leading "..".
 2017-05-14 14:35:46 +02:00
Jakob Unterwurzacher
22bac16201 doc: update CLI_ABI.md with new exit codes 
All exit codes that are likely to occour are listed.
 2017-05-14 14:34:50 +02:00
Jakob Unterwurzacher
3409ade272 forcedecode: tighten checks 
...and fix a few golint issues and print a scary warning message on mount.

Also, force the fs to ro,noexec.
 2017-04-24 00:25:02 +02:00
danim7
f1945c4daa Add -forcedecode 
Force decode of encrypted files even if the integrity check fails, instead of
failing with an IO error. Warning messages are still printed to syslog if corrupted
files are encountered.
It can be useful to recover files from disks with bad sectors or other corrupted
media.

Closes https://github.com/rfjakob/gocryptfs/pull/102 .
 2017-04-23 23:11:56 +02:00
Jakob Unterwurzacher
602f62b821 MANPAGE: reformat to GFM (github flavored markdown) 
This makes it render properly on the github webinterface.
 2017-03-28 19:55:46 +02:00
Jakob Unterwurzacher
912ef72cc8 MANPAGE: fix alphabetical order and expand scryptn explaination 2017-03-25 19:54:50 +01:00
danim7
40f0a8ee72 Further explain the use of 'scryptn' parameter (#94) 
* Further explain the use of 'scryptn' parameter

* Further explain the use of 'scryptn' parameter in MANPAGE

* Use 28 as reasonable upper limit
 2017-03-25 18:22:08 +01:00
Jakob Unterwurzacher
1ff4ae56c1 README: use pre-rendered PNG logo 
This keeps the README working even if nuetzlich.net is unavailable.
We use a PNG because github disallows embedding local SVGs.
 2017-03-25 14:22:07 +01:00
Jakob Unterwurzacher
b78c3bd516 MANPAGE: document "-serialize_reads" 2017-03-19 20:23:49 +01:00
Jakob Unterwurzacher
61502f9b94 benchmark: add md5sum read performance benchmark 2017-03-18 16:23:33 +01:00
rfjakob
c304626a47 CLI_ABI: smaller markdown subheadings 
The old ones were rendered by github almost as big as the parent headings.
 2017-03-01 23:31:03 +01:00
Jakob Unterwurzacher
98ecf1f074 MANPAGE: document "-speed" 2017-02-26 19:34:23 +01:00
Jakob Unterwurzacher
f2920f71e8 MANPAGE: document error code 12 2017-02-26 19:30:28 +01:00
Jakob Unterwurzacher
54caaf4b98 Add CLI ABI documentation 
Closes https://github.com/rfjakob/gocryptfs/issues/77
 2017-02-12 19:20:21 +01:00
Jakob Unterwurzacher
1e9d735406 Document "--" to stop option parsing in help text + man page 2017-02-12 12:49:04 +01:00
Jakob Unterwurzacher
6166dad05c readpassword: support spaces in "-passfile" filename 
...and while we are at it, also filenames starting with "-".
 2017-01-29 00:34:12 +01:00
Jakob Unterwurzacher
de200aad72 main: add "-fsname" option 
As requested in https://github.com/rfjakob/gocryptfs/issues/73 .
 2017-01-26 22:13:57 +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
081015aa74 MANPAGE: document ctlsock 2016-11-11 00:01:29 +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
Jakob Unterwurzacher
d41492bcbc MANPAGE: update version field description 2016-11-01 18:30:32 +01:00
Jakob Unterwurzacher
75b776cb3d MANPAGE: add reverse example, move "-o" into alphabetical list 
People will search for "-o" alphabetically, so put it into the
alphabetical option list, even if it is not a real option.
 2016-11-01 15:55:05 +01:00