hardcoresushi/libgocryptfs
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37 Commits

Author SHA1 Message Date
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
d8fb28a1c3 ctlsock: prevent panic on invalid decrypt request 2016-11-10 23:51:47 +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
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
d3b78fea95 reverse: add panics against API abuse 
These should help prevent later programming errors.
 2016-10-09 17:05:12 +02:00
Jakob Unterwurzacher
d25fcc6a4b reverse: gocryptfs.conf was missing from the directory listings 
Fix the test for that and add checks in example_filesystems_test.
 2016-10-08 22:25:08 +02:00
Jakob Unterwurzacher
e47577834b reverse: merge config translation check into isTranslatedConfig 
Also get rid of useless isFiltered function.
 2016-10-08 21:14:16 +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
ff48dc1aab reverse: initialize the longname cache only when reverse mode is used 
Gets rid of the idling longnameCacheCleaner thread in "normal" mode.
 2016-10-05 22:22:28 +02:00
Valient Gough
b764917cd5 lint fixes 2016-10-04 23:18:33 +02:00
Romain
db72a4489d fusefrontend_reverse cast Stat_t.Dev to uint64 (#44) 
The [Stat_t.Dev](https://golang.org/pkg/syscall/#Stat_t) docs say `Dev` is a `unit64`, but on [macOS amd64](https://golang.org/src/syscall/ztypes_darwin_amd64.go) it's an `int32`.
 2016-10-04 15:03:47 +02:00
Jakob Unterwurzacher
a2510efe12 reverse: use per-purpose nonce generation 
Also pull all the deterministic nonce code into fusefrontend_reverse
to greatly simplify the normal code path.
 2016-09-29 21:56:49 +02:00
Jakob Unterwurzacher
bce96b5095 reverse: move newDirIVFile into virtualfile.go 
After all, is's a virtual file.
 2016-09-28 23:30:13 +02:00
Jakob Unterwurzacher
5f4b16c00f Implement changes proposed by gosimple. 
Also delete the unused "dirIVNameStruct", found by deadcode.
 2016-09-25 19:48:21 +02:00
Jakob Unterwurzacher
166ba74a05 tests: enable all go vet checks 
...and fix reported errors:

internal/fusefrontend_reverse/rfile.go:40: github.com/rfjakob/gocryptfs/internal/contentenc.FileHeader composite literal uses unkeyed fields
internal/fusefrontend_reverse/rfs.go:249: github.com/hanwen/go-fuse/fuse.DirEntry composite literal uses unkeyed fields
internal/fusefrontend_reverse/rfs.go:264: github.com/hanwen/go-fuse/fuse.DirEntry composite literal uses unkeyed fields
 2016-09-25 19:02:12 +02:00
Jakob Unterwurzacher
abd61d968d contentenc: rename constant "IVBitLen" to "DefaultIVBits" and clarify comment 
128-bit IVs are NOT used everywhere.
 2016-09-25 18:40:29 +02:00
Jakob Unterwurzacher
b883dd10a6 reverse: add symlink encryption and Readlink support 2016-09-25 18:01:24 +02:00
Jakob Unterwurzacher
7bbf6ad6ea reverse: derive file ID and block IVs from file paths 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
52a6f4f71e reverse: add longnameParentCache 
findLongnameParent has to read the whole directory to find the
right file; add a simple cache to avoid most directory scans.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
a6a7b424f8 reverse: resolve long names in Open and GetAttr 
The last patch added functionality for generating gocryptfs.longname.*
files, this patch adds support for mapping them back to the full
filenames.

Note that resolving a long name needs a full readdir. A cache
will be implemented later on to improve performance.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
35bcc2dca2 reverse: transform long names in OpenDir 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
d76e7aadb4 reverse: use dynamic inode numbers 
...with stable mappings for hard-linked files.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
5f726aaa9d contentenc: add GCM-SIV support 
Also add ReverseDummyNonce nonce generation.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
7f87ed78f2 cryptocore: add support for GCM-SIV 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
d1762c5b95 reverse: fix GetAttr for gocryptfs.conf 
And also don't return the encrypted version of
.gocryptfs.reverse.conf in readdir.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
3d59c7dd6a reverse: add gocryptfs.conf passthrough 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
1932248446 reverse: get rid of debug message 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
ce22ab36e1 reverse: gocryptfs.diriv content was generated from wrong path 
Should be derived from the directory name only.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
7faa267bd4 reverse: rename readFile to clearer readBackingFile 
Also refactor the header generation for nicer code.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
be9dfe3a89 reverse: implement dynamic diriv 
Introduce a unique per-directory diriv that is generated
by hashing the encrypted directory path.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
10f38e8870 reverse: generate file header for Read() 
Also create virtual gocryptfs.diriv entries (no content yet).
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
777eb8e62f reverse: rename types to reverseXYZ 
...to prevent confusion with the forward variants.

FS   -> reverseFS
file -> reverseFile

Also add an incomplete read implementation.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
9237b4f53e reverse: add skeleton 
Compiles but does not do much else.
 2016-09-25 16:43:17 +02:00