| Age | Commit message (Collapse) | Author | 
|---|
|  |  | 
|  | Looks like I should have been calling testing.Init()
all along. From https://pkg.go.dev/testing#Init :
> Init is only needed when calling functions such as
> Benchmark without using "go test".
Panic only affected without_openssl builds and looks
like this:
  $ ./gocryptfs -speed
  gocryptfs v2.4.0-2-g8b1c4b0-dirty without_openssl; go-fuse v2.3.0; 2023-09-15 go1.21.1 linux/amd64
  cpu: Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz; with AES acceleration
  AES-GCM-256-OpenSSL             panic: runtime error: invalid memory address or nil pointer dereference
  [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x5a5d20]
  goroutine 7 [running]:
  testing.(*common).decorate(0x40d625?, {0xc00001c150, 0x2a}, 0x830601?)
          testing/testing.go:772 +0xa0
  [...]
Fixes: https://github.com/rfjakob/gocryptfs/issues/789
Relates-to: https://github.com/golang/go/issues/62666 | 
|  | The test added in the earlier commit passes with this
change. | 
|  | Not having Access() means go-fuse emulates it by looking at Getattr().
This works fine most of the time, but breaks down on sshfs, where
sshfs-benchmark.bash shows this:
	gocryptfs/tests$ ./sshfs-benchmark.bash nuetzlich.net
	working directory: /tmp/sshfs-benchmark.bash.JQC
	sshfs mounted: nuetzlich.net:/tmp -> sshfs.mnt
	gocryptfs mounted: sshfs.mnt/sshfs-benchmark.bash.Wrz/gocryptfs.crypt -> gocryptfs.mnt
	sshfs-benchmark.bash:    sshfs  gocryptfs-on-sshfs
	git init                  3.98                6.80
	rsync                     7.71               10.84
	rm -R                     4.30rm: descend into write-protected directory 'gocryptfs.mnt/git1'?
The go-fuse emulation gets it wrong here because sshfs reports
permissions but does not enforce them.
Implement it ourselves properly. | 
|  | And add a test for it.
Fixes https://github.com/rfjakob/gocryptfs/issues/724 | 
|  | BenchmarkGoGCMBlockSize/16-4      	 5499200	       219.7 ns/op	  72.83 MB/s
BenchmarkGoGCMBlockSize/32-4      	 4497284	       266.2 ns/op	 120.22 MB/s
BenchmarkGoGCMBlockSize/64-4      	 3296336	       363.4 ns/op	 176.10 MB/s
BenchmarkGoGCMBlockSize/128-4     	 4204794	       285.5 ns/op	 448.36 MB/s
BenchmarkGoGCMBlockSize/256-4     	 2928472	       409.7 ns/op	 624.83 MB/s
BenchmarkGoGCMBlockSize/512-4     	 1825164	       658.0 ns/op	 778.09 MB/s
BenchmarkGoGCMBlockSize/1024-4    	 1000000	      1151 ns/op	 889.98 MB/s
BenchmarkGoGCMBlockSize/2048-4    	  560275	      2135 ns/op	 959.47 MB/s
BenchmarkGoGCMBlockSize/4096-4    	  291906	      4099 ns/op	 999.28 MB/s
BenchmarkGoGCMBlockSize/8192-4    	  148916	      8033 ns/op	1019.83 MB/s
BenchmarkGoGCMBlockSize/16384-4   	   75337	     15911 ns/op	1029.75 MB/s
BenchmarkGoGCMBlockSize/32768-4   	   37912	     31651 ns/op	1035.30 MB/s
BenchmarkGoGCMBlockSize/65536-4   	   19000	     64287 ns/op	1019.43 MB/s
BenchmarkGoGCMBlockSize/131072-4  	    9225	    127636 ns/op	1026.92 MB/s
BenchmarkGoGCMBlockSize/262144-4  	    4752	    252300 ns/op	1039.02 MB/s
BenchmarkGoGCMBlockSize/524288-4  	    2377	    504612 ns/op	1038.99 MB/s
BenchmarkGoGCMBlockSize/1048576-4 	    1183	   1011637 ns/op	1036.51 MB/s | 
|  | Only visible when you run "go test -bench" like this:
$ cd gocryptfs/internal/speed
$ go test -bench .
goos: linux
goarch: amd64
pkg: github.com/rfjakob/gocryptfs/v2/internal/speed
cpu: Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz
BenchmarkStupidGCM-4              	  202352	      5937 ns/op	 689.96 MB/s
BenchmarkStupidGCMDecrypt-4       	  206023	      5782 ns/op	 708.38 MB/s
BenchmarkGoGCM-4                  	  291878	      4098 ns/op	 999.45 MB/s
BenchmarkGoGCMBlockSize/1024-4    	 1000000	      1151 ns/op	 889.88 MB/s
BenchmarkGoGCMBlockSize/2048-4    	  561182	      2134 ns/op	 959.60 MB/s
BenchmarkGoGCMBlockSize/4096-4    	  292057	      4101 ns/op	 998.87 MB/s
BenchmarkGoGCMBlockSize/8192-4    	  149216	      8031 ns/op	1020.09 MB/s
BenchmarkGoGCMBlockSize/16384-4   	   75361	     15917 ns/op	1029.34 MB/s
BenchmarkGoGCMBlockSize/32768-4   	   37916	     31649 ns/op	1035.35 MB/s
BenchmarkGoGCMBlockSize/65536-4   	   19005	     63117 ns/op	1038.33 MB/s
BenchmarkGoGCMBlockSize/131072-4  	    9498	    126166 ns/op	1038.89 MB/s
BenchmarkGoGCMBlockSize/262144-4  	    4755	    252149 ns/op	1039.64 MB/s
BenchmarkGoGCMBlockSize/524288-4  	    2377	    504108 ns/op	1040.03 MB/s
BenchmarkGoGCMBlockSize/1048576-4 	    1188	   1008675 ns/op	1039.56 MB/s
BenchmarkGoGCMDecrypt-4           	  294664	      4059 ns/op	1009.02 MB/s
BenchmarkAESSIV-4                 	   46498	     25432 ns/op	 161.05 MB/s
BenchmarkAESSIVDecrypt-4          	   46908	     25509 ns/op	 160.57 MB/s
BenchmarkXchacha-4                	  244473	      4894 ns/op	 836.97 MB/s
BenchmarkXchachaDecrypt-4         	  249710	      4798 ns/op	 853.75 MB/s
BenchmarkStupidXchacha-4          	  166988	      7101 ns/op	 576.79 MB/s
BenchmarkStupidXchachaDecrypt-4   	  163093	      7240 ns/op	 565.72 MB/s
BenchmarkStupidChacha-4           	  184172	      6527 ns/op	 627.58 MB/s
BenchmarkStupidChachaDecrypt-4    	  179796	      6659 ns/op	 615.11 MB/s
PASS
ok  	github.com/rfjakob/gocryptfs/v2/internal/speed	30.068s | 
|  | Commit 6196a5b5 got the logic inverted, hence we never
set the last position markers.
Fixes https://github.com/rfjakob/gocryptfs/issues/712 | 
|  | It used to be reported as "function not implemented", accompanied
with this log output:
  go-fuse: can't convert error type: ParseHeader: header is all-zero. Header hexdump: 000000000000000000000000000000000000
Now we report EIO and log this:
  doWrite 1372183: corrupt header: ParseHeader: header is all-zero. Header hexdump: 000000000000000000000000000000000000 | 
|  | Get rid of this eyesore. | 
|  | Calculated acc. to https://words.filippo.io/the-scrypt-parameters/ ,
and add benchmarks to double-check the numbers. They match. | 
|  | Run "make format" using
go version go1.19.4 linux/amd64 | 
|  | Replace dependency jacobsa/crypto with a fork with support for riscv64.
Issue: https://github.com/rfjakob/gocryptfs/issues/666
Upstream PR: https://github.com/jacobsa/crypto/issues/13
Unaddressed on jacobsa/crypto:
https://github.com/jacobsa/crypto/pull/14#issuecomment-1182744229
Signed-off-by: Christian Stewart <christian@paral.in> | 
|  | Fixes https://github.com/rfjakob/gocryptfs/issues/681
Fixes 2a25c3a8fda1f0918fd76687561b1a9c615298b9 | 
|  |  | 
|  |  | 
|  |  | 
|  | Signed-off-by: Abirdcfly <fp544037857@gmail.com> | 
|  |  | 
|  | Unlike the FUSE implementation on Linux, macFUSE doesn't cache the file
attributes from the `LOOKUP` call, so it calls `GETATTR` prior to
accessing a file.
In the case of the `VirtualConfNode` (reverse config file passthrough),
this resulted in the default `GETATTR` implementation returning an empty
result, ultimately resulting in a "permission denied" error.
    14:44:14.095207 rx 3: GETATTR n2
    14:44:14.095229 tx 3:     OK, {tA=1s {M0100000 SZ=0 L=0 0:0 0 0:8954996 A 0.000000 M 0.000000 C 0.000000}}
    14:44:14.099943 rx 4: ACCESS n2 {u=501 g=20 r}
    14:44:14.099990 tx 4:     13=permission denied
By impementing `Getattr` (from `fs.NodeGetattrer`) on `VirtualConfNode`
this solves the issue. | 
|  |  | 
|  | $ ./crossbuild.bash
[...]
+ GOOS=darwin
+ GOARCH=amd64
+ build
+ go build -tags without_openssl -o /dev/null
internal/fusefrontend/node.go:397:2: duplicate case syscallcompat.RENAME_NOREPLACE (value 0) in switch
	previous case at internal/fusefrontend/node.go:397:7
internal/fusefrontend/node.go:397:2: duplicate case syscallcompat.RENAME_EXCHANGE (value 0) in switch
	previous case at internal/fusefrontend/node.go:397:7
internal/fusefrontend/node.go:397:2: duplicate case syscallcompat.RENAME_WHITEOUT (value 0) in switch
	previous case at internal/fusefrontend/node.go:397:7
internal/fusefrontend/node.go:399:38: duplicate case syscallcompat.RENAME_NOREPLACE | syscallcompat.RENAME_WHITEOUT (value 0) in switch
	previous case at internal/fusefrontend/node.go:397:7 | 
|  | Both new internal test and xfstests generic/013 are happy.
https://github.com/rfjakob/gocryptfs/issues/641 | 
|  | Fixes https://github.com/rfjakob/gocryptfs/issues/629 | 
|  | This allows cleanups to happen in the caller, like removing
the control socket.
Fixes https://github.com/rfjakob/gocryptfs/issues/634 | 
|  |  | 
|  | xattr names have fewer restrictions than file names,
relax the validation.
Fixes https://github.com/rfjakob/gocryptfs/issues/627 | 
|  | This
    gocryptfs -init /does/not/exist 2> err.log
used to write escape codes into err.log. Stop doing that. | 
|  | Fixes https://github.com/rfjakob/gocryptfs/issues/617 | 
|  | Running the tests we have lots of these:
Openat: O_NOFOLLOW missing: flags = 0x4
-wpanic turns this warning into a panic: Openat: O_NOFOLLOW missing: flags = 0x4
panic: -wpanic turns this warning into a panic: Openat: O_NOFOLLOW missing: flags = 0x4
goroutine 114 [running]:
log.(*Logger).Panic(0x14000118280, {0x14000313ca8, 0x1, 0x1})
	log/log.go:224 +0x90
github.com/rfjakob/gocryptfs/v2/internal/tlog.(*toggledLogger).Printf(0x14000076780, {0x1009dc2e8, 0x27}, {0x14000313d18, 0x1, 0x1})
	github.com/rfjakob/gocryptfs/v2/internal/tlog/log.go:78 +0x168
github.com/rfjakob/gocryptfs/v2/internal/syscallcompat.Openat(0x9, {0x1009d0747, 0x1}, 0x4, 0x0)
	github.com/rfjakob/gocryptfs/v2/internal/syscallcompat/sys_common.go:59 +0xf0
github.com/rfjakob/gocryptfs/v2/internal/fusefrontend.(*Node).getXAttr(0x14000142000, {0x1400001c140, 0x3a})
	github.com/rfjakob/gocryptfs/v2/internal/fusefrontend/node_xattr_darwin.go:30 +0x8c
github.com/rfjakob/gocryptfs/v2/internal/fusefrontend.(*Node).Getxattr(0x14000142000, {0x100a7eba0, 0x1400000c2e8}, {0x14000016348, 0x14}, {0x14000326000, 0x20, 0x4000})
	github.com/rfjakob/gocryptfs/v2/internal/fusefrontend/node_xattr.go:65 +0x1ac
github.com/hanwen/go-fuse/v2/fs.(*rawBridge).GetXAttr(0x1400008e140, 0x140001901e0, 0x140001133c0, {0x14000016348, 0x14}, {0x14000326000, 0x20, 0x4000})
	github.com/hanwen/go-fuse/v2@v2.1.1-0.20210825171523-3ab5d95a30ae/fs/bridge.go:685 +0x114
github.com/hanwen/go-fuse/v2/fuse.doGetXAttr(0x14000144000, 0x14000113200)
	github.com/hanwen/go-fuse/v2@v2.1.1-0.20210825171523-3ab5d95a30ae/fuse/opcode.go:270 +0x224
github.com/hanwen/go-fuse/v2/fuse.(*Server).handleRequest(0x14000144000, 0x14000113200)
	github.com/hanwen/go-fuse/v2@v2.1.1-0.20210825171523-3ab5d95a30ae/fuse/server.go:499 +0x214
created by github.com/hanwen/go-fuse/v2/fuse.(*Server).loop
	github.com/hanwen/go-fuse/v2@v2.1.1-0.20210825171523-3ab5d95a30ae/fuse/server.go:470 +0xac
https://github.com/rfjakob/gocryptfs/issues/625 | 
|  | Quoting fusefrontend_reverse/node_helpers.go :
	// File names are padded to 16-byte multiples, encrypted and
	// base64-encoded. We can encode at most 176 bytes to stay below the 255
	// bytes limit:
	// * base64(176 bytes) = 235 bytes
	// * base64(192 bytes) = 256 bytes (over 255!)
	// But the PKCS#7 padding is at least one byte. This means we can only use
	// 175 bytes for the file name.
Noticed by @bailey27 at https://github.com/rfjakob/gocryptfs/issues/499#issuecomment-955790427 | 
|  | Failure is:
  # github.com/rfjakob/gocryptfs/v2/internal/nametransform
  internal/nametransform/names.go:47:33: undefined: math.MaxInt
math.MaxInt was only introduced in Go 1.17. Use MaxInt32 instead,
which is good enough, even on amd64. It only has to be larger than
any name we might encounter. | 
|  | Fixes https://github.com/rfjakob/gocryptfs/issues/499 | 
|  | Feature flag + numeric paramater
https://github.com/rfjakob/gocryptfs/issues/499 | 
|  | Determines when to start hashing long names instead
of hardcoded 255. Will be used to alleviate "name too long"
issues some users see on cloud storage.
https://github.com/rfjakob/gocryptfs/issues/499 | 
|  | Because switch only matches once, we could have missed invalid
cases.
Replace the switch statements with a straight if rake. | 
|  |  | 
|  | Reported by codacity:
internal/cryptocore/cryptocore.go
Minor icon MINOR
Code Style
should omit type AEADTypeEnum from declaration of var BackendAESSIV; it will be inferred from the right-hand side
var BackendAESSIV AEADTypeEnum = AEADTypeEnum{"AES-SIV-512", "Go", siv_aead.NonceSize}
Minor icon MINOR
Code Style
should omit type AEADTypeEnum from declaration of var BackendXChaCha20Poly1305; it will be inferred from the right-hand side
var BackendXChaCha20Poly1305 AEADTypeEnum = AEADTypeEnum{"XChaCha20-Poly1305", "Go", chacha20poly1305.NonceSizeX}
Minor icon MINOR
Code Style
should omit type AEADTypeEnum from declaration of var BackendXChaCha20Poly1305OpenSSL; it will be inferred from the right-hand side
var BackendXChaCha20Poly1305OpenSSL AEADTypeEnum = AEADTypeEnum{"XChaCha20-Poly1305", "OpenSSL", chacha20poly1305.NonceSizeX}
Found 2 possible new issues
internal/cryptocore/cryptocore.go
Minor icon MINOR
Code Style
should omit type AEADTypeEnum from declaration of var BackendOpenSSL; it will be inferred from the right-hand side
var BackendOpenSSL AEADTypeEnum = AEADTypeEnum{"AES-GCM-256", "OpenSSL", 16}
Minor icon MINOR
Code Style
should omit type AEADTypeEnum from declaration of var BackendGoGCM; it will be inferred from the right-hand side
var BackendGoGCM AEADTypeEnum = AEADTypeEnum{"AES-GCM-256", "Go", 16} | 
|  | Used in gocryptfs-xray, and will also be used in -info. | 
|  | When somebody posts "gocryptfs -speed" results, they are
most helpful together with the CPU model. Add the cpu model
to the output.
Example:
$ ./gocryptfs -speed
gocryptfs v2.2.0-beta1-5-g52b0444-dirty; go-fuse v2.1.1-0.20210825171523-3ab5d95a30ae; 2021-09-14 go1.17.1 linux/amd64
cpu: Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz; with AES acceleration
AES-GCM-256-OpenSSL       	 862.79 MB/s
AES-GCM-256-Go            	 997.71 MB/s	(selected in auto mode)
AES-SIV-512-Go            	 159.58 MB/s
XChaCha20-Poly1305-OpenSSL	 729.65 MB/s
XChaCha20-Poly1305-Go     	 843.97 MB/s	(selected in auto mode) | 
|  | Makes the code clearer, and will be used in the next commit. | 
|  |  | 
|  | We used to have "first Translate() wins". This is not deterministic,
as the LOOKUP for the root directory does not seem to reach us, so
the first user LOOKUP would win, which may be on a mountpoint. | 
|  | The rewritten openssl backend does not support this flag anymore,
and it was inherently dangerour. Drop it (ignored for compatibility) | 
|  |  | 
|  | Now that stupidgcm supports xchacha, make it available
on mount. | 
|  | Add PreferOpenSSLXchacha20poly1305,
rename PreferOpenSSL -> PreferOpenSSLAES256GCM. | 
|  | New() -> NewAES256GCM()
Also add missing NewChacha20poly1305
constructor in without_openssl.go. | 
|  | Maybe interesting for people following
https://github.com/rfjakob/gocryptfs/issues/452 | 
|  | No need to have it exported. |