hardcoresushi/libgocryptfs
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Author SHA1 Message Date
Jakob Unterwurzacher
9e69334400 v2api: set NullPermissions = true 
Don't let go-fuse mess úp 0000 permissions.
 2020-07-12 20:39:19 +02:00
Jakob Unterwurzacher
ca5acae6f0 v2api: fix Mkfifo 2020-07-12 20:19:29 +02:00
Jakob Unterwurzacher
0fa824933c v2api: properly implement Node.Setattr 
We used to always open a *File2 and letting the *File2
handle Setattr. This does not work it we cannot open the file!

Before:

    $ go test
    2020/07/12 20:14:57 writer: Write/Writev failed, err: 2=no such file or directory. opcode: INTERRUPT
    2020/07/12 20:14:57 writer: Write/Writev failed, err: 2=no such file or directory. opcode: INTERRUPT
    --- FAIL: TestLchown (0.00s)
        matrix_test.go:634: lchown /tmp/gocryptfs-test-parent-1026/014500839/default-plain/symlink: too many levels of symbolic links
    touch: setting times of '/tmp/gocryptfs-test-parent-1026/014500839/default-plain/utimesnano_symlink': Too many levels of symbolic links
    --- FAIL: TestUtimesNanoSymlink (0.00s)
        matrix_test.go:655: exit status 1
    --- FAIL: TestMkfifo (0.00s)
        matrix_test.go:755: file exists
    --- FAIL: TestMagicNames (0.00s)
        matrix_test.go:773: Testing n="gocryptfs.longname.QhUr5d9FHerwEs--muUs6_80cy6JRp89c1otLwp92Cs"
        matrix_test.go:773: Testing n="gocryptfs.diriv"
        matrix_test.go:815: open /tmp/gocryptfs-test-parent-1026/014500839/default-plain/linktarget: permission denied
    --- FAIL: TestChmod (0.00s)
        matrix_test.go:840: chmod 444 -> 000 failed: permission denied
        matrix_test.go:840: chmod 444 -> 111 failed: permission denied
        matrix_test.go:840: chmod 444 -> 123 failed: permission denied
        matrix_test.go:840: chmod 444 -> 321 failed: permission denied
    FAIL
    exit status 1
    FAIL	github.com/rfjakob/gocryptfs/tests/matrix	0.790s

After:

    $ go test
    --- FAIL: TestMkfifo (0.00s)
        matrix_test.go:755: file exists
    --- FAIL: TestMagicNames (0.00s)
        matrix_test.go:773: Testing n="gocryptfs.longname.QhUr5d9FHerwEs--muUs6_80cy6JRp89c1otLwp92Cs"
        matrix_test.go:773: Testing n="gocryptfs.diriv"
        matrix_test.go:815: open /tmp/gocryptfs-test-parent-1026/501766059/default-plain/linktarget: permission denied
    --- FAIL: TestChmod (0.00s)
        matrix_test.go:849: modeHave 0644 != modeWant 0
    FAIL
    exit status 1
    FAIL    github.com/rfjakob/gocryptfs/tests/matrix   0.787s
 2020-07-12 20:17:15 +02:00
Jakob Unterwurzacher
f11432d02a v2api: Getattr: use file handle if passed 2020-07-12 15:08:17 +02:00
Jakob Unterwurzacher
4d99b02279 v2api: Getattr: fix file size 2020-07-12 15:03:42 +02:00
Jakob Unterwurzacher
0d385846da v2api: call InitSerializer 
If we don't, reads hang with -serialize_reads.
 2020-07-12 15:02:53 +02:00
Jakob Unterwurzacher
230d92c4f4 v2api: fix Rename trying to overwrite itself 
We used to do this

  [pid 99182] renameat2(14, "Y_4DAxKvj1QnXmJx2AkrKA", 15, ".", RENAME_NOREPLACE <unfinished ...>

which was not the intention.
 2020-07-12 13:55:24 +02:00
Jakob Unterwurzacher
f3a0dbabee tests: fix TestCpWarnings comment typo 2020-07-12 13:43:34 +02:00
Jakob Unterwurzacher
fd0e8aa869 tests: don't crash on empty Flistxattr result 2020-07-12 13:40:21 +02:00
Jakob Unterwurzacher
735e2aa65b v2api: fix Mkdir crash when using plaintextnames 2020-07-12 13:35:37 +02:00
Jakob Unterwurzacher
b1d631d432 v2api: fix double-lock in truncate 2020-07-12 13:13:24 +02:00
Jakob Unterwurzacher
6196a5b5fe v2api: File2: implement Release, Read, Write, Fsync, Flush, Allocate 
Fortunately, this just means fixing up the function
signatures.
 2020-07-12 12:59:01 +02:00
Jakob Unterwurzacher
d539a4c214 v2api: fix RootNode cast 2020-07-11 20:27:47 +02:00
Jakob Unterwurzacher
b0342fae5d v2api: fix TestOpenBackingDir 2020-07-11 20:15:47 +02:00
Jakob Unterwurzacher
7de3330d70 v2api: implement Rename 2020-07-11 19:56:45 +02:00
Jakob Unterwurzacher
84344834c4 v2api: remove OpenatUserCtx, MknodatUserCtx helpers 
Instead, use the new toFuseCtx() function introduced
in an earlier commit.
 2020-07-11 19:44:45 +02:00
Jakob Unterwurzacher
250dbc6436 v2api: implement Symlink 2020-07-11 19:43:07 +02:00
Jakob Unterwurzacher
c35b575d5f v2api: implement Link 2020-07-11 19:32:38 +02:00
Jakob Unterwurzacher
b971c75e67 v2api: implement Mknod 2020-07-11 19:23:04 +02:00
Jakob Unterwurzacher
855b4a95b7 v2api: implement Statfs 2020-07-11 18:59:54 +02:00
Jakob Unterwurzacher
a39fc8ab2e v2api: fix crash on umount 
fs.Mount already called srv.Serve() for us.
 2020-07-08 22:21:27 +02:00
Jakob Unterwurzacher
40a31e0c32 v2api: list interfaces to be implemented 2020-07-05 20:22:24 +02:00
Jakob Unterwurzacher
63f68a0fcd v2api: implement Setattr 2020-07-05 20:10:53 +02:00
Jakob Unterwurzacher
c22e78ee41 v2api: implement Opendir 2020-07-05 19:34:30 +02:00
Jakob Unterwurzacher
1f4e554168 v2api: merge openBackingDir into root_node.go 2020-07-04 21:42:04 +02:00
Jakob Unterwurzacher
d2139e18ef v2api: implement Open() 2020-07-04 21:37:44 +02:00
Jakob Unterwurzacher
d73e4b3f7c v2api: add prepareAtSyscall helper 2020-07-04 21:16:20 +02:00
Jakob Unterwurzacher
23180794fe v2api: implement Readlink 2020-07-04 20:32:02 +02:00
Jakob Unterwurzacher
1618fbbac5 v2api: implement Unlink 2020-06-21 14:08:53 +02:00
Jakob Unterwurzacher
cc0b94a3c5 v2api: implement Rmdir 2020-06-21 13:57:04 +02:00
Jakob Unterwurzacher
192a29075a v2api: implement Mkdir 2020-06-21 13:46:08 +02:00
Jakob Unterwurzacher
f6ded09e36 v2api: implement Create 2020-06-21 13:25:12 +02:00
Jakob Unterwurzacher
74a4accf0c v2api: collect RootNode code in root_node.go 2020-06-21 12:44:32 +02:00
Jakob Unterwurzacher
ebdf58b9eb v2api: implement GetAttr and Readdir 2020-06-21 12:42:18 +02:00
Jakob Unterwurzacher
77632b7554 getdents_c: read from two threads 
This was an attempt to make the C code more
similar to Go (which also reads from multiple threads).

However, I still could not repro the ENOENT problems.

https://github.com/rfjakob/gocryptfs/issues/483
 2020-06-21 12:01:34 +02:00
Jakob Unterwurzacher
6aa9f5636f v2api: implement Lookup() 
Compiles, but untested otherwise. No caching.
 2020-06-21 12:01:34 +02:00
Jakob Unterwurzacher
9b8ce55383 inomap: clarify TranslateStat function comment 
Also, fix the namespaceMap comment.
 2020-06-21 12:01:34 +02:00
Jakob Unterwurzacher
2aad58f9ec v2api (go-fuse v2 api): initial noop implementation 
Compiles and mounts but does nothing useful.
 2020-06-21 12:01:24 +02:00
Jakob Unterwurzacher
3b61244b72 tests: TestBadname: simplify test by using empty files 
Simplify the tests by using empty files. Empty
files are valid, and we don't check the content
anyway.

Also adjust comment style a little and add
a missing break statement.
 2020-06-06 12:53:45 +02:00
Jakob Unterwurzacher
261cf12829 badname: stop trying to decrypt at length 22 
At least 16 bytes due to AES --> at least 22 characters in base64
 2020-06-06 12:49:45 +02:00
DerDonut
a8230d271f Added auto decryption of invalid file names 
Changed invalid file decoding and decryption. Function
DecryptName now shortens the filename until the filename is
decodable and decryptable. Will work with valid **and**
invalid Base64URL delimiter (valid delimiter [0-9a-zA-z_\\-].
If the filename is not decryptable at all, it returns the
original cipher name with flag suffix Changed cli tests to
generate decryptable and undecryptable file names with correct
encrypted content. Replacing #474, extends #393
 2020-06-06 12:20:31 +02:00
Jakob Unterwurzacher
a56e7cc5ac sshfs-benchmark.bash: fix locale trouble and move to tests 
Locale trouble was

   sshfs-benchmark.bash: line 31: printf: 4.71: invalid number

because printf expected "4,71" in the German locale.
Force the C locale.
 2020-06-06 12:15:41 +02:00
Jeremy Hilliker
274e0d27b7 contrib/getdents-debug: fix function call missing argument from 22e3eec153 2020-06-01 10:18:18 +02:00
Jakob Unterwurzacher
22e3eec153 getdents-debug: loop and stop on first error 
Also try to improve and unify output a little.

$ ./getdents /usr/share/man/man1
  1: unix.Getdents: n=9984; n=9984; n=9968; n=9976; n=9984; n=9968; n=10000; n=9976; n=9992; n=10000; n=9976; n=9992; n=2312; n=0; err=<nil>; total 122112 bytes
  2: unix.Getdents: n=9984; n=48; n=9976; n=9968; n=9976; n=9976; n=9992; n=9984; n=9992; n=10000; n=9976; n=9968; n=10000; n=2272; n=0; err=<nil>; total 122112 bytes
  3: unix.Getdents: n=9984; n=9984; n=9968; n=704; n=10000; n=10000; n=9968; n=9968; n=9992; n=10000; n=9960; n=9992; n=9992; n=1600; n=0; err=<nil>; total 122112 bytes
  4: unix.Getdents: n=9984; n=9984; n=9968; n=9976; n=9984; n=32; n=9992; n=9984; n=9992; n=10000; n=9976; n=9968; n=10000; n=2272; n=0; err=<nil>; total 122112 bytes

$ ./getdents_c /usr/share/man/man1
  1: getdents64: n=9984; n=9984; n=9968; n=9976; n=9984; n=9968; n=10000; n=9976; n=9992; n=10000; n=9976; n=9992; n=2312; n=0; errno=0 total 122112 bytes
  2: getdents64: n=9984; n=9984; n=9968; n=9976; n=9984; n=9968; n=10000; n=9976; n=9992; n=10000; n=9976; n=9992; n=2312; n=0; errno=0 total 122112 bytes
  3: getdents64: n=9984; n=9984; n=9968; n=9976; n=9984; n=9968; n=10000; n=9976; n=9992; n=10000; n=9976; n=9992; n=2312; n=0; errno=0 total 122112 bytes
  4: getdents64: n=9984; n=9984; n=9968; n=9976; n=9984; n=9968; n=10000; n=9976; n=9992; n=10000; n=9976; n=9992; n=2312; n=0; errno=0 total 122112 bytes
 2020-05-28 23:23:53 +02:00
Jakob Unterwurzacher
b275c53fa7 contrib/getdents-debug: implement getdents -loop 
$ ./getdents -loop /mnt/synology/public/tmp/g1
unix.Getdents: n=4176; n=4176; n=4176; n=4176; n=4176; n=3192; n=0; err=<nil>; total 24072 bytes
unix.Getdents: n=4176; n=4176; n=4176; n=4176; n=4176; n=3192; n=0; err=<nil>; total 24072 bytes
unix.Getdents: n=4176; n=-1; err=no such file or directory; total 4176 bytes
 2020-05-25 23:32:11 +02:00
Jakob Unterwurzacher
0d522e0d3b Add contrib/getdents-debug/readdirnames 
Another way to repro the problem in
https://github.com/rfjakob/gocryptfs/issues/483
 2020-05-24 23:51:38 +02:00
Jakob Unterwurzacher
6019598fdb contrib: collect getdents stuff in getdents-debug folder 2020-05-24 23:46:41 +02:00
Jakob Unterwurzacher
71c0481f0e Revert "fusefrontend: don't always clear the dircache in Rename" 
As noticed by @slackner in
cb8872577d (commitcomment-39405233) ,
this is not safe.

This reverts commit cb8872577d.
 2020-05-24 23:36:11 +02:00
Jakob Unterwurzacher
15ff79bf14 syscallcompat: warn when Getdents truncates data 
On CIFS mounts, unix.Getdents can return sudden ENOENT
in the middle of data. This will not be reported as an error
by user space tools, so return EIO instead.

Also log it as a warning.

https://github.com/rfjakob/gocryptfs/issues/483
 2020-05-24 23:30:25 +02:00
Jakob Unterwurzacher
b3350f0ebb contrib: add getdents_c 
Same thing like contrib/getdents, but written in C.
 2020-05-24 23:29:59 +02:00