hardcoresushi/libgocryptfs
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98 Commits

Author SHA1 Message Date
Jakob Unterwurzacher
6c3f97399a Rename internal "toggledlog" package to "tlog" 
tlog is used heavily everywhere and deserves a shorter name.

Renamed using sed magic, without any manual rework:

   find * -type f -exec sed -i 's/toggledlog/tlog/g' {} +
 2016-06-15 23:30:44 +02:00
Jakob Unterwurzacher
09e88f31d1 toggledlog: assume command of color handling 
We want to use colored error messages also outside of main,
so let's handle it in the logging package.

The fatal logger now automatically prints red.
 2016-06-15 23:17:51 +02:00
Jakob Unterwurzacher
c89455063c readpassword: create internal package for password reading 
* Supports stdin
* Add tests for extpass and stdin

As per user request at https://github.com/rfjakob/gocryptfs/issues/30
 2016-06-15 22:44:24 +02:00
Jakob Unterwurzacher
393e531afd Fix warnings reported by Go 1.6 "go tool vet -shadow=true" 
Warnings were:

  main.go:234: declaration of err shadows declaration at main.go:163:
  internal/fusefrontend/file.go:401: declaration of err shadows declaration at internal/fusefrontend/file.go:379:
  internal/fusefrontend/file.go:419: declaration of err shadows declaration at internal/fusefrontend/file.go:379:
  internal/fusefrontend/fs_dir.go:140: declaration of err shadows declaration at internal/fusefrontend/fs_dir.go:97:
 2016-06-14 22:46:23 +02:00
Jakob Unterwurzacher
0c80cca674 toggledlog: convert remaing naked fmt.Print* 
Several fatal errors were just printed to stdout, which
meant they were invisible when running the test suite.

Fix this by introducing toggledlog.Fatal and convert as
follows:

Fatal errors     -> toggledlog.Fatal
Warnings         -> toggledlog.Warn
Password prompts -> fmt.Fprintf
 2016-06-05 14:32:07 +02:00
Jakob Unterwurzacher
ca54b665e3 main: print actual error from LoadConfFile() 
It may not have been a "Wrong password" after all.

Also, push down disabling the warning so LoadConfFile() can
warn about things that matter.
 2016-06-05 13:44:22 +02:00
Jakob Unterwurzacher
b97268c948 configfile: bake the "Creator" gocryptfs version into the file 
This field is added for the convenience of users and
may help them to identify which gocryptfs version
they need to mount a filesystem.

The same information is essentially contained in FeatureFlags,
but this is more difficult to decode for humans.

It is completely ignored programmatically (also by older gocryptfs
versions).
 2016-06-05 11:40:13 +02:00
Jakob Unterwurzacher
281bb8daf0 main: don't tell the user to choose a password when -extpass is used 
Instead, print this:

  Using password provided via -extpass.
 2016-06-04 15:24:42 +02:00
Jakob Unterwurzacher
2e2ee0a038 main: print relative path in the init success message 
... but only if the relative path does not start with "..".

Makes the message easier to grasp. Example:

  $ gocryptfs -init -scryptn=10 v0.9
  [...]
  The filesystem has been created successfully.

Before:
  You can now mount it using: gocryptfs /home/jakob/src/github.com/rfjakob/gocryptfs/integration_tests/example_filesystems/v0.9 MOUNTPOINT

After:
  You can now mount it using: gocryptfs v0.9 MOUNTPOINT
 2016-06-04 15:04:57 +02:00
Jakob Unterwurzacher
80b027f830 nametransform, main: better error messages 2016-06-01 20:07:43 +02:00
Jakob Unterwurzacher
e7f78135b3 Add "-allow_other" command-line option 
As requested in https://github.com/rfjakob/gocryptfs/issues/26 ,
this adds the option to allow other users to access the filesystem.
 2016-05-18 19:30:05 +02:00
Jakob Unterwurzacher
49b597f07c prefer_openssl: autodetect whether to use OpenSSL or Go GCM 
Go GCM is faster than OpenSSL if the CPU has AES instructions
and you are running Go 1.6+.

The "-openssl" option now defaults to "auto".

"gocryptfs -debug -version" displays the result of the autodetection.

See https://github.com/rfjakob/gocryptfs/issues/23 for details and
benchmarks.
 2016-05-12 00:42:42 +02:00
Jakob Unterwurzacher
36c1039228 build.bash: bake the go-fuse commit hash into the binaries 2016-04-10 23:16:09 +02:00
Jakob Unterwurzacher
bd5405189e Fix "go tool vet -shadow=true" warnings 
Among those one real bug.
 2016-04-10 21:31:15 +02:00
Jakob Unterwurzacher
3a4922b5d7 Add tests for long name creation and renaming (currently failing, obviously) 2016-02-07 10:55:13 +01:00
Jakob Unterwurzacher
e111e20649 longnames part I: Create and OpenDir work with long filenames > 176 bytes 
Todo: Rename, Unlink, Rmdir, Mknod, Mkdir
 2016-02-06 22:54:14 +01:00
Jakob Unterwurzacher
c74772bc8d Run go fmt 2016-02-06 20:23:36 +01:00
Jakob Unterwurzacher
9078a77850 Move pathfs_frontend to internal/fusefrontend 
"git status" for reference:

renamed:    pathfs_frontend/args.go -> internal/fusefrontend/args.go
renamed:    pathfs_frontend/compat_darwin.go -> internal/fusefrontend/compat_darwin.go
renamed:    pathfs_frontend/compat_linux.go -> internal/fusefrontend/compat_linux.go
renamed:    pathfs_frontend/file.go -> internal/fusefrontend/file.go
renamed:    pathfs_frontend/file_holes.go -> internal/fusefrontend/file_holes.go
renamed:    pathfs_frontend/fs.go -> internal/fusefrontend/fs.go
renamed:    pathfs_frontend/fs_dir.go -> internal/fusefrontend/fs_dir.go
renamed:    pathfs_frontend/names.go -> internal/fusefrontend/names.go
renamed:    pathfs_frontend/write_lock.go -> internal/fusefrontend/write_lock.go
modified:   main.go
 2016-02-06 19:27:59 +01:00
Jakob Unterwurzacher
2b8cbd9441 Major refactoring: Split up "cryptfs" into several internal packages 
"git status" for reference:

deleted:    cryptfs/cryptfs.go
deleted:    cryptfs/names_core.go
modified:   integration_tests/cli_test.go
modified:   integration_tests/helpers.go
renamed:    cryptfs/config_file.go -> internal/configfile/config_file.go
renamed:    cryptfs/config_test.go -> internal/configfile/config_test.go
renamed:    cryptfs/config_test/.gitignore -> internal/configfile/config_test/.gitignore
renamed:    cryptfs/config_test/PlaintextNames.conf -> internal/configfile/config_test/PlaintextNames.conf
renamed:    cryptfs/config_test/StrangeFeature.conf -> internal/configfile/config_test/StrangeFeature.conf
renamed:    cryptfs/config_test/v1.conf -> internal/configfile/config_test/v1.conf
renamed:    cryptfs/config_test/v2.conf -> internal/configfile/config_test/v2.conf
renamed:    cryptfs/kdf.go -> internal/configfile/kdf.go
renamed:    cryptfs/kdf_test.go -> internal/configfile/kdf_test.go
renamed:    cryptfs/cryptfs_content.go -> internal/contentenc/content.go
new file:   internal/contentenc/content_api.go
renamed:    cryptfs/content_test.go -> internal/contentenc/content_test.go
renamed:    cryptfs/file_header.go -> internal/contentenc/file_header.go
renamed:    cryptfs/intrablock.go -> internal/contentenc/intrablock.go
renamed:    cryptfs/address_translation.go -> internal/contentenc/offsets.go
new file:   internal/cryptocore/crypto_api.go
renamed:    cryptfs/gcm_go1.4.go -> internal/cryptocore/gcm_go1.4.go
renamed:    cryptfs/gcm_go1.5.go -> internal/cryptocore/gcm_go1.5.go
renamed:    cryptfs/nonce.go -> internal/cryptocore/nonce.go
renamed:    cryptfs/openssl_aead.go -> internal/cryptocore/openssl_aead.go
renamed:    cryptfs/openssl_benchmark.bash -> internal/cryptocore/openssl_benchmark.bash
renamed:    cryptfs/openssl_test.go -> internal/cryptocore/openssl_test.go
new file:   internal/nametransform/name_api.go
new file:   internal/nametransform/names_core.go
renamed:    cryptfs/names_diriv.go -> internal/nametransform/names_diriv.go
renamed:    cryptfs/names_noiv.go -> internal/nametransform/names_noiv.go
renamed:    cryptfs/names_test.go -> internal/nametransform/names_test.go
new file:   internal/nametransform/pad16.go
renamed:    cryptfs/log.go -> internal/toggledlog/log.go
renamed:    cryptfs/log_go1.4.go -> internal/toggledlog/log_go1.4.go
renamed:    cryptfs/log_go1.5.go -> internal/toggledlog/log_go1.5.go
modified:   main.go
modified:   masterkey.go
modified:   pathfs_frontend/file.go
modified:   pathfs_frontend/file_holes.go
modified:   pathfs_frontend/fs.go
modified:   pathfs_frontend/fs_dir.go
modified:   pathfs_frontend/names.go
modified:   test.bash
 2016-02-06 19:22:35 +01:00
Jakob Unterwurzacher
6454db68d9 Add new "-wpanic" option and enable it for the automated tests 2016-01-31 18:09:39 +01:00
Jakob Unterwurzacher
9ecb489c66 Allow "-d" as an alis for "-debug", and "-quiet" as an alias for "-q" 2016-01-24 18:20:04 +01:00
Jakob Unterwurzacher
523e430685 Add "-nosyslog" options 
Also, actually redirect Warn and Debug as well.
 2016-01-24 18:10:18 +01:00
Jakob Unterwurzacher
1030522fe6 Suppress password prompt when using -extpass 
Also, add color to the error messages.
 2016-01-23 20:18:39 +01:00
Jakob Unterwurzacher
2e419e635f Remove last SetOutput from generic code 2016-01-22 21:49:56 +01:00
Jakob Unterwurzacher
cec2da3e33 Add "-memprofile" option 2016-01-21 23:55:37 +01:00
Jakob Unterwurzacher
d163169655 Wrap Logger to make disabling output more efficient 
Instead of using SetOutput(ioutil.Discard), which means
that Printf is still called for every debug message,
use a simple and fast boolean check.

Streaming write performance improves from 86 to 93 MB/s.
 2016-01-21 22:59:11 +01:00
Jakob Unterwurzacher
9bab220a1b Switch to syslog when running in the background 2016-01-20 22:31:15 +01:00
Jakob Unterwurzacher
17f0eb1339 Convert logging to standard Go log.Logger 
This is in preparation of logging to syslog.
 2016-01-20 20:57:00 +01:00
Jakob Unterwurzacher
1936de783f Color for the "init success" message 2016-01-04 20:55:25 +01:00
Jakob Unterwurzacher
ad00ba38e5 Colorize output 2015-12-19 15:46:19 +01:00
Jakob Unterwurzacher
1caa925868 Increase GCM IV size from 96 to 128 bits 
This pushes back the birthday bound for collisions to make it virtually
irrelevant.
 2015-12-19 15:02:29 +01:00
Jakob Unterwurzacher
e99e841713 Rmdir: handle creating and removing unreadable directories 
This patch also splits off Mkdir and Rmdir into its own file.

Fixes issue #8, thanks to @diseq for the bug report.
 2015-12-11 20:02:12 +01:00
Jakob Unterwurzacher
b4b9072cc2 Simplify CreateConfFile: do not allow specification of EMENames 2015-12-10 19:38:02 +01:00
Jakob Unterwurzacher
ccf6d00728 Add missing PlaintextNames checks in OpenDir, Mkdir, Rmdir, initDir 
Plaintextnames support has bitrotted during the DirIV additions,
this needs test cases. Will be added in a future patch.

Fixes issue #9.
 2015-12-10 01:12:05 +01:00
Jakob Unterwurzacher
c6dacd6f91 Add EME filename encryption & enable it by default 2015-12-08 16:17:04 +01:00
Jakob Unterwurzacher
71b94828ed init: create gocryptfs.diriv after creating gocryptfs.conf 
Creating the config file can fail easily, for example if the
password is not entered the same twice. This would leave an
orphaned gocryptfs.diriv behind.
 2015-12-06 14:24:45 +01:00
Jakob Unterwurzacher
ce42a6f23d Run go fmt 2015-11-29 21:55:20 +01:00
Jakob Unterwurzacher
6f764b3867 Handle all operations except mounting without forking a child 
This saves 170ms for each start (why do we take 170ms to start up?)
and cuts down test time by 2 seconds.
 2015-11-29 19:09:12 +01:00
Jakob Unterwurzacher
bb116282b7 Add "-scryptn" option that sets the cost parameter for scrypt 
Use that option to speed up the automated tests by 7 seconds.

Before:
	ok  	github.com/rfjakob/gocryptfs/integration_tests	26.667s
After:
	ok  	github.com/rfjakob/gocryptfs/integration_tests	19.534s
 2015-11-29 18:53:40 +01:00
Jakob Unterwurzacher
1fb349e97b diriv: also support old CBC symlink 2015-11-28 18:39:45 +01:00
Jakob Unterwurzacher
fe7355f9ee diriv: use "DirIV" flag to discern and support mounting old filesystems 2015-11-28 18:38:06 +01:00
Jakob Unterwurzacher
b3d96b6a20 main: pass args struct instead of having a huge function call 2015-11-27 22:30:38 +01:00
Jakob Unterwurzacher
a04a92cdab Run go fmt 2015-11-27 22:20:01 +01:00
Jakob Unterwurzacher
6acd772cf9 diriv: Define "DirIV" feature flag 
(unused so far)
 2015-11-27 22:18:36 +01:00
Jakob Unterwurzacher
4d466c3412 diriv: Create gocryptfs.diriv in every directory 2015-11-25 20:57:16 +01:00
Jakob Unterwurzacher
df46548be6 Print newline after gocryptfs.conf not found error 2015-11-25 20:57:16 +01:00
Jakob Unterwurzacher
09499be6e9 Move "Debug output enabled" after forkChild() to remove duplicate output 2015-11-15 13:56:01 +01:00
Jakob Unterwurzacher
d95fc2333a Add "-extpass" cli option and associated tests 2015-11-15 13:42:04 +01:00
Jakob Unterwurzacher
066c2c90eb MANPAGE: add "-config" flag 
Also, "-plaintextnames" can be used with -zerokey.
Fix the incorrect description.
 2015-11-14 21:31:39 +01:00
Jakob Unterwurzacher
58592330dc Refactor cli argument handling 
Also, add the "-config" option for storing gocryptfs.conf
outside of CIPHERDIR.
 2015-11-14 21:25:10 +01:00