From d9b4f96598ec7227a5c6b756f14b982771e40d20 Mon Sep 17 00:00:00 2001 From: Jakob Unterwurzacher Date: Wed, 7 Oct 2015 23:30:45 +0200 Subject: [PATCH] Update README --- README.md | 31 +++++- XFSTESTS.md | 225 +++++++++++++++++++++++++++++++++++++++++ gocryptfs_main/main.go | 2 +- 3 files changed, 252 insertions(+), 6 deletions(-) create mode 100644 XFSTESTS.md diff --git a/README.md b/README.md index c9162b6..96acd59 100644 --- a/README.md +++ b/README.md @@ -9,26 +9,47 @@ LoopbackFileSystem API. This project was inspired by [EncFS](https://github.com/vgough/encfs) and strives to fix its security issues (see EncFS tickets 9, 13, 14, 16). For details on the security of GoCryptFS see the -[SECURITY.md](https://github.com/rfjakob/gocryptfs/blob/master/SECURITY.md) -document. +[SECURITY.md](SECURITY.md) document. Current Status -------------- * First public release * Feature-complete -* Passes the xfstests "generic" tests +* Passes the fuse-xfstests "generic" tests with one exception, results: [XFSTESTS.md](XFSTESTS.md) + * A lot of work has gone into this. The testing has found bugs in gocryptfs + as well as in go-fuse. + * The one exceptions generic/035. This is a limitation in go-fuse, + check out https://github.com/hanwen/go-fuse/issues/55 for details. +* However, gocryptfs needs more real-world testing - please report any issues via github. Install ------- - go get github.com/rfjakob/gocryptfs + $ go get github.com/rfjakob/gocryptfs/... + +(The dots are important!) + +Use +--- + + $ mkdir cipher plain + $ alias gocryptfs="$GOPATH/src/github.com/rfjakob/gocryptfs/gocryptfs" + $ gocryptfs --init cipher + [...] + $ gocryptfs cipher plain + [...] + $ echo test > plain/test.txt + $ ls -l cipher + total 8 + -rw-rw-r--. 1 user user 33 7. Okt 23:23 0ao8Hyyf1A-A88sfNvkUxA== + -rw-rw-r--. 1 user user 233 7. Okt 23:23 gocryptfs.conf Performance ----------- * 28 bytes of storage overhead per block (16 bytes auth tag, 12 byte nonce) * uses openssl through [spacemonkeygo/openssl](https://github.com/spacemonkeygo/openssl) - for a 3x speedup compared to `crypto/cipher` (see [go-vs-openssl.md](https://github.com/rfjakob/gocryptfs/blob/master/openssl_benchmark/go-vs-openssl.md)) for details + for a 3x speedup compared to `crypto/cipher` (see [go-vs-openssl.md](openssl_benchmark/go-vs-openssl.md) for details Run `./benchmark.bash` to run the test suite and the streaming read/write benchmark. The benchmark is run twice, first with native Go crypto and diff --git a/XFSTESTS.md b/XFSTESTS.md new file mode 100644 index 0000000..e45c088 --- /dev/null +++ b/XFSTESTS.md @@ -0,0 +1,225 @@ +These are the results of running (fuse-xfstests)[https://github.com/rfjakob/fuse-xfstests] +against gocryptfs: + +``` +~/src/fuse-xfstests$ ./check-gocryptfs generic/??? +FSTYP -- fuse.gocryptfs +PLATFORM -- Linux/x86_64 brikett 4.1.4-200.fc22.x86_64 +MKFS_OPTIONS -- /tmp/check-gocryptfs/scratchdev +MOUNT_OPTIONS -- -o context=system_u:object_r:nfs_t:s0 /tmp/check-gocryptfs/scratchdev /tmp/check-gocryptfs/scratchdir + +generic/001 4s ... 5s +generic/002 0s ... 0s +generic/003 [not run] atime related mount options have no effect on loopback file systems +generic/004 [not run] xfs_io flink failed (old kernel/wrong fs?) +generic/005 0s ... 0s +generic/006 1s ... 2s +generic/007 3s ... 2s +generic/008 [not run] xfs_io fzero failed (old kernel/wrong fs?) +generic/009 [not run] xfs_io fzero failed (old kernel/wrong fs?) +generic/010 1s ... 2s +generic/011 2s ... 2s +generic/012 [not run] xfs_io fpunch failed (old kernel/wrong fs?) +generic/013 2s ... 0s +generic/014 37s ... 40s +generic/015 [not run] Filesystem fuse.gocryptfs not supported in _scratch_mkfs_sized +generic/016 [not run] xfs_io fpunch failed (old kernel/wrong fs?) +generic/017 [not run] xfs_io fiemap failed (old kernel/wrong fs?) +generic/018 [not run] defragmentation not supported for fstype "fuse.gocryptfs" +generic/019 [not run] Not running as root, skipping test +generic/020 [not run] attrs not supported by this filesystem type: fuse.gocryptfs +generic/021 [not run] xfs_io fpunch failed (old kernel/wrong fs?) +generic/022 [not run] xfs_io fpunch failed (old kernel/wrong fs?) +generic/023 1s ... 1s +generic/024 [not run] fs doesn't support RENAME_NOREPLACE +generic/025 [not run] fs doesn't support RENAME_EXCHANGE +generic/026 [not run] Not running as root, skipping test +generic/027 [not run] Filesystem fuse.gocryptfs not supported in _scratch_mkfs_sized +generic/028 5s ... 5s +generic/029 8s ... 0s +generic/030 9s ... 1s +generic/031 [not run] xfs_io fcollapse failed (old kernel/wrong fs?) +generic/032 [not run] xfs_io falloc failed (old kernel/wrong fs?) +generic/033 [not run] xfs_io fzero failed (old kernel/wrong fs?) +generic/034 [not run] Not running as root, skipping test +generic/035 - output mismatch (see /home/jakob/src/fuse-xfstests/results//generic/035.out.bad) + --- tests/generic/035.out 2015-09-22 23:50:31.967720246 +0200 + +++ /home/jakob/src/fuse-xfstests/results//generic/035.out.bad 2015-10-07 22:16:46.625139272 +0200 + @@ -1,3 +1,4 @@ + QA output created by 035 + overwriting regular file: + overwriting directory: + +t_rename_overwrite: fstat(3): No such file or directory + ... + (Run 'diff -u tests/generic/035.out /home/jakob/src/fuse-xfstests/results//generic/035.out.bad' to see the entire diff) +generic/036 [not run] src/aio-dio-regress/aio-dio-fcntl-race not built +generic/037 [not run] Not running as root, skipping test +generic/038 [not run] Not running as root, skipping test +generic/039 [not run] Not running as root, skipping test +generic/040 [not run] Not running as root, skipping test +generic/041 [not run] Not running as root, skipping test +generic/042 [not run] fuse.gocryptfs does not support shutdown +generic/043 [not run] fuse.gocryptfs does not support shutdown +generic/044 [not run] fuse.gocryptfs does not support shutdown +generic/045 [not run] fuse.gocryptfs does not support shutdown +generic/046 [not run] fuse.gocryptfs does not support shutdown +generic/047 [not run] fuse.gocryptfs does not support shutdown +generic/048 [not run] fuse.gocryptfs does not support shutdown +generic/049 [not run] fuse.gocryptfs does not support shutdown +generic/050 [not run] fuse.gocryptfs does not support shutdown +generic/051 [not run] fuse.gocryptfs does not support shutdown +generic/052 [not run] fuse.gocryptfs does not support shutdown +generic/053 3s ... [not run] ACLs not supported by this filesystem type: fuse.gocryptfs +generic/054 [not run] fuse.gocryptfs does not support shutdown +generic/055 [not run] fuse.gocryptfs does not support shutdown +generic/056 [not run] Not running as root, skipping test +generic/057 [not run] Not running as root, skipping test +generic/058 [not run] xfs_io fpunch failed (old kernel/wrong fs?) +generic/059 [not run] Not running as root, skipping test +generic/060 [not run] xfs_io fpunch failed (old kernel/wrong fs?) +generic/061 [not run] xfs_io fpunch failed (old kernel/wrong fs?) +generic/062 [not run] attrs not supported by this filesystem type: fuse.gocryptfs +generic/063 [not run] xfs_io fpunch failed (old kernel/wrong fs?) +generic/064 [not run] xfs_io fiemap failed (old kernel/wrong fs?) +generic/065 [not run] Not running as root, skipping test +generic/066 [not run] Not running as root, skipping test +generic/067 5s ... [not run] fuse overlay filesystems do not support loopback devices +generic/068 [not run] fuse.gocryptfs does not support freezing +generic/069 257s ... 298s +generic/070 [not run] attrs not supported by this filesystem type: fuse.gocryptfs +generic/071 [not run] Not running as root, skipping test +generic/072 [not run] xfs_io fcollapse failed (old kernel/wrong fs?) +generic/073 [not run] Not running as root, skipping test +generic/074 677s ... 777s +generic/075 4s ... 5s +generic/076 [not run] require /tmp/check-gocryptfs/scratchdev to be valid block disk +generic/077 [not run] attrs not supported by this filesystem type: fuse.gocryptfs +generic/078 [not run] Not running as root, skipping test +generic/079 [not run] attrs not supported by this filesystem type: fuse.gocryptfs +generic/080 2s ... 2s +generic/081 [not run] require /tmp/check-gocryptfs/scratchdev to be valid block disk +generic/082 [not run] disk quotas not supported by this filesystem type: fuse.gocryptfs +generic/083 [not run] Filesystem fuse.gocryptfs not supported in _scratch_mkfs_sized +generic/084 8s ... 7s +generic/085 [not run] require /tmp/check-gocryptfs/scratchdev to be valid block disk +generic/086 0s ... [not run] xfs_io falloc failed (old kernel/wrong fs?) +generic/087 [not run] Not running as root, skipping test +generic/088 [not run] Not running as root, skipping test +generic/089 30s ... 37s +generic/090 [not run] Not running as root, skipping test +generic/091 [not run] O_DIRECT is not supported +generic/092 [not run] xfs_io falloc failed (old kernel/wrong fs?) +generic/093 [not run] not suitable for this OS: Linux +generic/094 [not run] xfs_io fiemap failed (old kernel/wrong fs?) +generic/095 [not run] fio utility required, skipped this test +generic/096 [not run] xfs_io fzero failed (old kernel/wrong fs?) +generic/097 [not run] not suitable for this OS: Linux +generic/098 [not run] Not running as root, skipping test +generic/099 [not run] not suitable for this OS: Linux +generic/100 12s ... 15s +generic/101 [not run] Not running as root, skipping test +generic/102 [not run] Not running as root, skipping test +generic/103 [not run] attrs not supported by this filesystem type: fuse.gocryptfs +generic/104 [not run] Not running as root, skipping test +generic/105 [not run] Not running as root, skipping test +generic/106 [not run] Not running as root, skipping test +generic/112 [not run] fsx not built with AIO for this platform +generic/113 [not run] aio-stress not built for this platform +generic/117 [not run] attrs not supported by this filesystem type: fuse.gocryptfs +generic/120 [not run] atime related mount options have no effect on loopback file systems +generic/123 [not run] fsgqa user not defined. +generic/124 9s ... 7s +generic/125 [not run] fsgqa user not defined. +generic/126 [not run] Not running as root, skipping test +generic/127 314s ... 359s +generic/128 [not run] fsgqa user not defined. +generic/129 49s ... 59s +generic/130 [not run] O_DIRECT is not supported +generic/131 1s ... 1s +generic/132 25s ... 23s +generic/133 [not run] O_DIRECT is not supported +generic/135 [not run] O_DIRECT is not supported +generic/141 2s ... 0s +generic/169 6s ... 1s +generic/184 [not run] Not running as root, skipping test +generic/192 [not run] atime related mount options have no effect on loopback file systems +generic/193 [not run] fsgqa user not defined. +generic/198 [not run] src/aio-dio-regress/aiodio_sparse2 not built +generic/204 [not run] Filesystem fuse.gocryptfs not supported in _scratch_mkfs_sized +generic/207 [not run] src/aio-dio-regress/aio-dio-extend-stat not built +generic/208 [not run] src/aio-dio-regress/aio-dio-invalidate-failure not built +generic/209 [not run] src/aio-dio-regress/aio-dio-invalidate-readahead not built +generic/210 [not run] src/aio-dio-regress/aio-dio-subblock-eof-read not built +generic/211 [not run] src/aio-dio-regress/aio-free-ring-with-bogus-nr-pages not built +generic/212 [not run] src/aio-dio-regress/aio-io-setup-with-nonwritable-context-pointer not built +generic/213 1s ... [not run] xfs_io falloc failed (old kernel/wrong fs?) +generic/214 0s ... [not run] xfs_io falloc failed (old kernel/wrong fs?) +generic/215 3s ... 3s +generic/219 [not run] disk quotas not supported by this filesystem type: fuse.gocryptfs +generic/221 1s ... 1s +generic/223 [not run] xfs_io falloc failed (old kernel/wrong fs?) +generic/224 [not run] Filesystem fuse.gocryptfs not supported in _scratch_mkfs_sized +generic/225 [not run] xfs_io fiemap failed (old kernel/wrong fs?) +generic/226 [not run] O_DIRECT is not supported +generic/228 [not run] FSIZE is not supported on FUSE +generic/230 [not run] disk quotas not supported by this filesystem type: fuse.gocryptfs +generic/231 [not run] disk quotas not supported by this filesystem type: fuse.gocryptfs +generic/232 [not run] disk quotas not supported by this filesystem type: fuse.gocryptfs +generic/233 [not run] disk quotas not supported by this filesystem type: fuse.gocryptfs +generic/234 [not run] disk quotas not supported by this filesystem type: fuse.gocryptfs +generic/235 [not run] disk quotas not supported by this filesystem type: fuse.gocryptfs +generic/236 2s ... 1s +generic/237 [not run] Not running as root, skipping test +generic/239 [not run] src/aio-dio-regress/aio-dio-hole-filling-race not built +generic/240 [not run] src/aio-dio-regress/aiodio_sparse2 not built +generic/241 72s ... 72s +generic/245 0s ... 0s +generic/246 1s ... 1s +generic/247 25s ... 32s +generic/248 1s ... 0s +generic/249 4s ... 5s +generic/251 [not run] FITRIM not supported on /tmp/check-gocryptfs/scratchdir +generic/255 [not run] xfs_io fpunch failed (old kernel/wrong fs?) +generic/256 [not run] xfs_io fpunch failed (old kernel/wrong fs?) +generic/257 1s ... 1s +generic/258 2s ... 0s +generic/260 [not run] FITRIM not supported on /tmp/check-gocryptfs/scratchdir +generic/263 [not run] O_DIRECT is not supported +generic/269 [not run] Not running as root, skipping test +generic/270 [not run] disk quotas not supported by this filesystem type: fuse.gocryptfs +generic/273 [not run] Filesystem fuse.gocryptfs not supported in _scratch_mkfs_sized +generic/274 [not run] xfs_io falloc failed (old kernel/wrong fs?) +generic/275 [not run] Filesystem fuse.gocryptfs not supported in _scratch_mkfs_sized +generic/277 [not run] attrs not supported by this filesystem type: fuse.gocryptfs +generic/280 [not run] disk quotas not supported by this filesystem type: fuse.gocryptfs +generic/285 0s ... 0s +generic/286 59s ... 39s +generic/288 [not run] FITRIM not supported on /tmp/check-gocryptfs/scratchdir +generic/294 [not run] Not running as root, skipping test +generic/299 [not run] Not running as root, skipping test +generic/300 [not run] Not running as root, skipping test +generic/306 [not run] Not running as root, skipping test +generic/307 7s ... 1s +generic/308 0s ... 0s +generic/309 2s ... 1s +generic/310 64s ... 65s +generic/311 [not run] Not running as root, skipping test +generic/312 [not run] xfs_io falloc failed (old kernel/wrong fs?) +generic/313 2s ... 2s +generic/314 [not run] ACLs not supported by this filesystem type: fuse.gocryptfs +generic/315 1s ... [not run] xfs_io falloc failed (old kernel/wrong fs?) +generic/316 [not run] xfs_io fpunch failed (old kernel/wrong fs?) +generic/317 [not run] Not running as root, skipping test +generic/318 [not run] Not running as root, skipping test +generic/319 [not run] ACLs not supported by this filesystem type: fuse.gocryptfs +generic/320 [not run] Filesystem fuse.gocryptfs not supported in _scratch_mkfs_sized +generic/321 [not run] Not running as root, skipping test +generic/322 [not run] Not running as root, skipping test +generic/323 [not run] src/aio-dio-regress/aio-last-ref-held-by-io not built +generic/324 [not run] Not running as root, skipping test +generic/325 [not run] Not running as root, skipping test +Ran: generic/001 generic/002 generic/005 generic/006 generic/007 generic/010 generic/011 generic/013 generic/014 generic/023 generic/028 generic/029 generic/030 generic/035 generic/069 generic/074 generic/075 generic/080 generic/084 generic/089 generic/100 generic/124 generic/127 generic/129 generic/131 generic/132 generic/141 generic/169 generic/215 generic/221 generic/236 generic/241 generic/245 generic/246 generic/247 generic/248 generic/249 generic/257 generic/258 generic/285 generic/286 generic/307 generic/308 generic/309 generic/310 generic/313 +Not run: generic/003 generic/004 generic/008 generic/009 generic/012 generic/015 generic/016 generic/017 generic/018 generic/019 generic/020 generic/021 generic/022 generic/024 generic/025 generic/026 generic/027 generic/031 generic/032 generic/033 generic/034 generic/036 generic/037 generic/038 generic/039 generic/040 generic/041 generic/042 generic/043 generic/044 generic/045 generic/046 generic/047 generic/048 generic/049 generic/050 generic/051 generic/052 generic/053 generic/054 generic/055 generic/056 generic/057 generic/058 generic/059 generic/060 generic/061 generic/062 generic/063 generic/064 generic/065 generic/066 generic/067 generic/068 generic/070 generic/071 generic/072 generic/073 generic/076 generic/077 generic/078 generic/079 generic/081 generic/082 generic/083 generic/085 generic/086 generic/087 generic/088 generic/090 generic/091 generic/092 generic/093 generic/094 generic/095 generic/096 generic/097 generic/098 generic/099 generic/101 generic/102 generic/103 generic/104 generic/105 generic/106 generic/112 generic/113 generic/117 generic/120 generic/123 generic/125 generic/126 generic/128 generic/130 generic/133 generic/135 generic/184 generic/192 generic/193 generic/198 generic/204 generic/207 generic/208 generic/209 generic/210 generic/211 generic/212 generic/213 generic/214 generic/219 generic/223 generic/224 generic/225 generic/226 generic/228 generic/230 generic/231 generic/232 generic/233 generic/234 generic/235 generic/237 generic/239 generic/240 generic/251 generic/255 generic/256 generic/260 generic/263 generic/269 generic/270 generic/273 generic/274 generic/275 generic/277 generic/280 generic/288 generic/294 generic/299 generic/300 generic/306 generic/311 generic/312 generic/314 generic/315 generic/316 generic/317 generic/318 generic/319 generic/320 generic/321 generic/322 generic/323 generic/324 generic/325 +Failures: generic/035 +Failed 1 of 46 tests +``` diff --git a/gocryptfs_main/main.go b/gocryptfs_main/main.go index dc5c921..912ff72 100644 --- a/gocryptfs_main/main.go +++ b/gocryptfs_main/main.go @@ -173,7 +173,6 @@ func main() { } srv := pathfsFrontend(key, cipherdir, mountpoint, fusedebug, openssl) - fmt.Printf("Mounted.\n") if zerokey == false && len(masterkey) == 0 { printMasterKey(key) @@ -183,6 +182,7 @@ func main() { fmt.Printf("THE MASTER KEY IS VISIBLE VIA \"ps -auxwww\", ONLY USE THIS MODE FOR EMERGENCIES.\n") } + fmt.Println("Filesystem ready.") // Send notification to our parent sendSig() // Jump into server loop