hardcoresushi/libgocryptfs
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77 Commits

Author SHA1 Message Date
Jakob Unterwurzacher
ba7c798418 fusefrontend: fix panic due to concurrently unregistered wlock 
Commit 730291feab properly freed wlock when the file descriptor is
closed. However, concurrently running Write and Truncates may
still want to lock it. Check if the fd has been closed first.
 2016-05-08 23:21:20 +02:00
Jakob Unterwurzacher
730291feab fusefrontend: fix wlock memory leak 
The write lock was not freed on release, causing a slow memory leak.

This was noticed by running extractloop.bash for 10 hours.
 2016-05-05 13:38:39 +02:00
Jakob Unterwurzacher
cf29ce3762 stupidgcm: set dummy locking callback. 
In general, OpenSSL is only threadsafe if you provide a locking function
through CRYPTO_set_locking_callback. However, the GCM operations that
stupidgcm uses never call that function.

To guard against that ever changing, set a dummy locking callback
that crashes the app.
 2016-05-05 00:09:08 +02:00
Jakob Unterwurzacher
906172938a stupidgcm: skip tests on Go 1.4 and older 
Quoting from the patch:

	We compare against Go's built-in GCM implementation. Since stupidgcm only
	supports 128-bit IVs and Go only supports that from 1.5 onward, we cannot
	run these tests on older Go versions.
 2016-05-05 00:09:08 +02:00
Jakob Unterwurzacher
b4d45554f2 Revert "stupidgcm: print openssl error stack before panicing" 
This did not help in debugging the openssl <= 1.0.1c issue at all
and makes the code more complex. Keep it simple.
 2016-05-05 00:09:08 +02:00
Jakob Unterwurzacher
66156181ee cryptocore: support Go 1.4 in tests 2016-05-05 00:09:08 +02:00
Jakob Unterwurzacher
508a949d9d stupidgcm: reorder calls to support openssl <= 1.0.1c 
This fixes the test failures on Travis CI.

Quoting from 07a4ff79d2

	/* Set expected tag value. A restriction in OpenSSL 1.0.1c and earlier
	 * required the tag before any AAD or ciphertext */
 2016-05-05 00:08:25 +02:00
Jakob Unterwurzacher
d0945b73d2 stupidgcm: print openssl error stack before panicing 2016-05-04 20:50:13 +02:00
Jakob Unterwurzacher
6c010c3080 stupidgcm: fix copy-paste error in panic message 
Also, print the openssl version in Travis CI
 2016-05-04 20:15:11 +02:00
Jakob Unterwurzacher
39f3a24484 stupidgcm: completely replace spacemonkeygo/openssl 2016-05-04 19:56:07 +02:00
Jakob Unterwurzacher
c92190bf07 stupidgcm: add our own thin wrapper around openssl gcm 
...complete with tests and benchmark.

This will allow us to get rid of the dependency to spacemonkeygo/openssl
that causes problems on Arch Linux
( https://github.com/rfjakob/gocryptfs/issues/21 )
 2016-05-04 19:56:07 +02:00
Jakob Unterwurzacher
1bb907b38e cryptocore: add API tests 2016-05-04 19:56:07 +02:00
Jakob Unterwurzacher
4d79fba285 prelloc: warn and continue if fallocate(2) is not supported 
This makes gocryptfs work at all on ZFS.
See https://github.com/rfjakob/gocryptfs/issues/22 .
 2016-04-20 22:47:31 +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
db72fcea41 longnames: fix fsstress failure, use dirfd 
Using dirfd-relative operations allows safe lockless handling
of the ".name" files.
 2016-04-10 21:31:08 +02:00
Jakob Unterwurzacher
63d3e51734 longnames: use symbolic constants instead of naked ints 2016-04-10 12:36:43 +02:00
Jakob Unterwurzacher
37a9b4c3ee Enable openssl in tests to support old Go versions 
Go 1.4 and older do not support 128-bit IVs which caused
the tests to panic.
 2016-03-03 00:59:58 +01:00
Jakob Unterwurzacher
b5221c9651 Fix Go 1.4 build failure caused by a refactoring oversight 2016-03-03 00:48:32 +01:00
Jakob Unterwurzacher
653d4a619c longnames part II: Rename, Unlink, Rmdir, Mknod, Mkdir + tests 2016-02-07 14:02:09 +01:00
Jakob Unterwurzacher
6b5d977cce Move OpenDir to fs_dir.go 2016-02-07 11:29:54 +01:00
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
6b27b6a1e7 Move dirIVCache to its own file 2016-02-06 20:27:28 +01:00
Jakob Unterwurzacher
c74772bc8d Run go fmt 2016-02-06 20:23:36 +01:00
Jakob Unterwurzacher
b0ee5258b1 Fix tests - were broken by the refactoring 2016-02-06 20:22:45 +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