hardcoresushi/libgocryptfs
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81 Commits

Author SHA1 Message Date
Jakob Unterwurzacher
e135a72bda main: "--" should also block "-o" parsing 
Includes test cases.
 2017-04-29 15:11:17 +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
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
00df0771e3 serialize_reads: add read serialization logic 
Due to kernel readahead, we usually get multiple read requests
at the same time. These get submitted to the backing storage in
random order, which is a problem if seeking is very expensive.

Details: https://github.com/rfjakob/gocryptfs/issues/92
 2017-03-18 16:18:00 +01:00
Jakob Unterwurzacher
efc88346be cli: enable "-raw64" by default 
This brings the CLI options back in sync with the default
feature flags.
 2017-03-07 20:56:50 +01:00
Jakob Unterwurzacher
2362e67a9e cli: add "-hkdf" option 
This commit also enables actually passing the HKDF setting to
fusefrontend, this was missing till now.
 2017-03-07 20:56:50 +01:00
Jakob Unterwurzacher
1e03e059fa Implement "gocryptfs -speed" 
A crypto benchmark mode like "openssl speed".

Example run:

  $ ./gocryptfs -speed
  AES-GCM-256-OpenSSL 	 180.89 MB/s	(selected in auto mode)
  AES-GCM-256-Go      	  48.19 MB/s
  AES-SIV-512-Go      	  37.40 MB/s
 2017-02-22 23:56:34 +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
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
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
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
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
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
aeda9721d0 Fix misspellings 
Close https://github.com/rfjakob/gocryptfs/issues/54
 2016-10-24 19:18:13 +02:00
Jakob Unterwurzacher
ec4a626316 main: catch "-extpass" AND "-masterkey" usage early 
"The options -extpass and -masterkey cannot be used at the same time"
 2016-10-16 16:50:23 +02:00
Jakob Unterwurzacher
c8e5dc9844 main: show "-o" in the help text 
Binds it to a dummy variable so it appears in the help text.
 2016-10-10 20:57:35 +02:00
Jakob Unterwurzacher
7b2049c769 main: accept "-o" at the front AND at the end 
Moving "-o" to the end broke a third-party app, SiriKali.
Breaking your users is bad, so let's accept "-o" anywhere.
 2016-10-10 19:44:34 +02:00
Jakob Unterwurzacher
9f0793ab0f main: more useful error message on unknown flag 2016-10-09 20:55:33 +02:00
Jakob Unterwurzacher
e1c5e71b09 main: add "-passfile" option 
Make it easier to read the password from a file. Internally this
is equivalent to "-extpass /bin/cat FILE".
 2016-10-09 20:08:10 +02:00
Jakob Unterwurzacher
03c8b13371 main: ignore options rw, nosuid, nodev. 
When called from mount, we always get either "suid" or "nosuid".
As "nosuid" is the default, just ignore the options. Same for
the other options.
 2016-10-09 20:06:23 +02:00
Jakob Unterwurzacher
9cf3ced0ce main: also accept options at the end via "-o" 
For compatability with mount(1), options are also accepted as
"-o COMMA-SEPARATED-OPTIONS" at the end of the command line.
For example, "-o q,zerokey" is equivalent to "-q -zerokey".
 2016-10-09 20:05:54 +02:00
Jakob Unterwurzacher
25a8802403 main: rename "-o" option to "-ko" 
This prevents confusion with the "-o" options that is passed
by mount(1) at the end of the command line.
 2016-10-09 19:32:55 +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
434ce50db3 main: add "-nonempty" option 2016-10-06 22:41:13 +02:00
Valient Gough
b764917cd5 lint fixes 2016-10-04 23:18:33 +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
2050c7f3b3 reverse: add gcmsiv flag and associated tests 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
72efa5c9b1 main: move initDir into its own file 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
d9db75ebd2 main: factor out cli arg parsing 
The main function has gotten way too big.
 2016-09-25 16:43:17 +02:00