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2019-01-01fusefrontend: make Rmdir symlink-safeJakob Unterwurzacher
Now uses Unlinkat.
2019-01-01nametransform: rename WriteLongName() -> WriteLongNameAt()Jakob Unterwurzacher
And also rename DeleteLongName() -> DeleteLongNameAt(). The naming follow the names open the openat() etc syscalls.
2019-01-01fusefrontend: make Readlink() symlink-safeJakob Unterwurzacher
Now symlink-safe through Readlinkat().
2019-01-01fusefrontend: make OpenDir() symlink-safeJakob Unterwurzacher
Interestingly, little or no performance impact: $ ./benchmark.bash Testing gocryptfs at /tmp/benchmark.bash.39W: gocryptfs v1.6-42-g30c2349-dirty; go-fuse v20170619-66-g6df8ddc; 2018-11-04 go1.11 Downloading linux-3.0.tar.gz /tmp/linux-3.0.tar.gz 100%[=========================================================================>] 92.20M 2.93MB/s in 31s 2018-11-04 21:44:44 URL:https://cdn.kernel.org/pub/linux/kernel/v3.0/linux-3.0.tar.gz [96675825/96675825] -> "/tmp/linux-3.0.tar.gz" [1] WRITE: 262144000 bytes (262 MB, 250 MiB) copied, 1.1808 s, 222 MB/s READ: 262144000 bytes (262 MB, 250 MiB) copied, 0.866438 s, 303 MB/s UNTAR: 24.745 MD5: 12.050 LS: 3.525 RM: 9.544 Note: kernel has been updated: $ uname -a Linux brikett 4.18.16-200.fc28.x86_64 #1 SMP Sat Oct 20 23:53:47 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
2019-01-01fusefrontend: mark a few more functions as symlink-safe / unsafeJakob Unterwurzacher
2019-01-01fusefrontend: use openBackingDir in ctlsock interfaceJakob Unterwurzacher
Instead of calling syscall.Open() ourselves, rely on openBackingDir().
2019-01-01fusefrontend: make GetAttr() symlink-safeJakob Unterwurzacher
Use openBackingDir() and Fstatat(). High performance impact, though part of it should be mitigated by adding DirIV caching to the new code paths. $ ./benchmark.bash Testing gocryptfs at /tmp/benchmark.bash.Eou: gocryptfs v1.6-37-ge3914b3-dirty; go-fuse v20170619-66-g6df8ddc; 2018-10-14 go1.11 WRITE: 262144000 bytes (262 MB, 250 MiB) copied, 1.2289 s, 213 MB/s READ: 262144000 bytes (262 MB, 250 MiB) copied, 1.02616 s, 255 MB/s UNTAR: 24.490 MD5: 13.120 LS: 3.368 RM: 9.232
2019-01-01fusefrontend: make openBackingDir() symlink-safeJakob Unterwurzacher
openBackingDir() used encryptPath(), which is not symlink-safe itself. Drop encryptPath() and implement our own directory walk. Adds three seconds to untar and two seconds to rm: $ ./benchmark.bash Testing gocryptfs at /tmp/benchmark.bash.MzG: gocryptfs v1.6-36-g8fb3c2f-dirty; go-fuse v20170619-66-g6df8ddc; 2018-10-14 go1.11 WRITE: 262144000 bytes (262 MB, 250 MiB) copied, 1.25078 s, 210 MB/s READ: 262144000 bytes (262 MB, 250 MiB) copied, 1.0318 s, 254 MB/s UNTAR: 20.941 MD5: 11.568 LS: 1.638 RM: 5.337
2019-01-01fusefrontend: mark symlink-safe FUSE callsJakob Unterwurzacher
Document which FUSE calls are already symlink-safe in the function comment.
2019-01-01fusefrontend: make DecryptPath() symlink-safeJakob Unterwurzacher
DecryptPath is now symlink-safe through the use of *at() functions.
2019-01-01fusefrontend: make Access() symlink-safe.Jakob Unterwurzacher
Make Access() symlink-safe through use of faccessat.
2019-01-01nametransform: comments: directly link to ioutil.WriteFile fixJakob Unterwurzacher
So the reader does not have to read through the whole ticket. The commit message has a nice summary of the problem.
2019-01-01fusefrontend: Fix debug message in doWrite() method.Sebastian Lackner
2019-01-01fusefrontend: Fix order of arguments in debug message for Read() FUSE call.Sebastian Lackner
2019-01-01nametransform: Delete incomplete longname files on error.Sebastian Lackner
2018-12-30main: Remove a duplicate word in a comment.Sebastian Lackner
2018-12-28configfile: Fix a copy&paste error in validateParams method.Sebastian Lackner
2018-12-27configfile: Explicitly wipe scrypt derived key after decrypting/encrypting ↵Sebastian Lackner
master key. Further raises the bar for recovering keys from memory.
2018-12-27Assorted spelling fixes.Sebastian Lackner
Mostly detected with the 'codespell' utility, but also includes some manual grammar fixes.
2018-12-27fusefrontend: Remove unnecessary check in doRead function.Sebastian Lackner
The same condition is already checked a few lines above, and 'err' is not changed inbetween.
2018-12-27fusefrontend: Don't treat Fchownat error as failure in Mkdir.Sebastian Lackner
The directory was already created, so return success even if Fchownat fails. The same error handling is already used if fs.args.PlaintextNames is false.
2018-12-27fusefrontend: Check the correct 'err' variable.Sebastian Lackner
2018-12-27build.bash: Escape LDFLAGS before passing them to 'go build'.Sebastian Lackner
This ensures that ./build.bash still works when the LDFLAGS environment variable contains multiple options, e.g., LDFLAGS="-lpthread -lm". The correct way of passing multiple options is discussed here: https://github.com/golang/go/issues/6234 For some unknown reason, the method only works when -extldflags is the last argument - is this a bug in Go?
2018-12-16build.bash: support user-set LDFLAGSJakob Unterwurzacher
As requested at https://github.com/rfjakob/gocryptfs/pull/280
2018-12-16build.bash: use -trimpath for reproducible buildsJakob Unterwurzacher
Support both Go 1.7...1.9 and Go 1.10 by checking the version and using the appropropriate syntax. We trim GOPATH/src and use both -gcflags and -asmflags like Debian does in https://salsa.debian.org/go-team/packages/dh-golang/blob/ab2bbcfc00b1229066cc3d3d1195ac901a2b9411/lib/Debian/Debhelper/Buildsystem/golang.pm#L465 .
2018-12-16build.bash: respect SOURCE_DATE_EPOCHJakob Unterwurzacher
SOURCE_DATE_EPOCH seems to be the standard env variable for faking a build date for reproducible builds.
2018-12-16README: replace openssl-gcm.md with link to wikiJakob Unterwurzacher
The CPU-Benchmarks wiki page has a lot more info than openssl-gcm.md had.
2018-12-16tests: fix TestPassfileNewlineJakob Unterwurzacher
Due to a copy-paste error, we ran the wrong test in the subprocess. Thanks @slackner for noticing at https://github.com/rfjakob/gocryptfs/commit/295d432175292dbaef572093d784aab55f5c0b8f#r31690478 !
2018-12-15passfile: directly read file instead of invoking catJakob Unterwurzacher
Allows better error handling, gets rid of the call to an external program, and fixes https://github.com/rfjakob/gocryptfs/issues/278 .
2018-12-12Add v1.6.1 to changelogJakob Unterwurzacher
2018-11-17syscallcompat: downgrade DT_UNKNOWN message level on XFSJakob Unterwurzacher
Old XFS filesystems always return DT_UNKNOWN. Downgrade the message to "info" level if we are on XFS. Using the "warning" level means that users on old XFS filesystems cannot run the test suite as it intentionally aborts on any warnings. Fixes https://github.com/rfjakob/gocryptfs/issues/267
2018-11-17main: drop hardcoded /usr/bin/logger pathJakob Unterwurzacher
The hardcoded full paths were introduced to handle the case of an empty PATH environment variable. However, since commit 10212d791a3196c2c870 we set PATH to a default value if empty. The hardcoded paths are no longer neccessary, and cause problems on some distros: User voobscout on https://github.com/rfjakob/gocryptfs/issues/225#issuecomment-438682034 : just to chime in - please don't hardcode paths, for example I'm on NixOS and logger lives in /run/current-system/sw/bin/logger Drop the hardcoded paths.
2018-10-17tlog: disable color codes when switching to syslogJakob Unterwurzacher
When gocryptfs was started on a terminal and later daemonized, the color codes stayed active in the syslog output. The codes are not visible in "journalctl -f", which is why I have not noticed it yet, but they do show up in normal syslog as the usual "#033[33m" crap.
2018-10-17fusefronted: log more details on WriteAt failuresJakob Unterwurzacher
Also log inode number, fd number, offset and length. Maybe help debugging https://github.com/rfjakob/gocryptfs/issues/269 .
2018-10-17main: also redirect Fatal logger to syslog on daemonizationJakob Unterwurzacher
The messages would still be collected via gocryptfs-logger, but let's do it right. Before: Oct 17 21:58:12 brikett gocryptfs[9926]: testing info Oct 17 21:58:12 brikett gocryptfs[9926]: testing warn Oct 17 21:58:12 brikett gocryptfs-9926-logger[9935]: testing fatal After: Oct 17 22:00:53 brikett gocryptfs[10314]: testing info Oct 17 22:00:53 brikett gocryptfs[10314]: testing warn Oct 17 22:00:53 brikett gocryptfs[10314]: testing fatal
2018-10-11Updated manpage for -idle flagJesse Dunietz
2018-10-11tests: fix golint errorJakob Unterwurzacher
Error was: tests/cli/cli_test.go:552: declaration of "err" shadows declaration at tests/cli/cli_test.go:544
2018-10-11tests: add idle timeout testJakob Unterwurzacher
Mount with idle timeout 10ms and check that the process exits by itself within 5 seconds.
2018-10-11Add option for autounmountJesse Dunietz
Even though filesystem notifications aren't implemented for FUSE, I decided to try my hand at implementing the autounmount feature (#128). I based it on the EncFS autounmount code, which records filesystem accesses and checks every X seconds whether it's idled long enough to unmount. I've tested the feature locally, but I haven't added any tests for this flag. I also haven't worked with Go before. So please let me know if there's anything that should be done differently. One particular concern: I worked from the assumption that the open files table is unique per-filesystem. If that's not true, I'll need to add an open file count and associated lock to the Filesystem type instead. https://github.com/rfjakob/gocryptfs/pull/265
2018-10-11tests: syscallcompat: allow failure for symlinks > 1000Jakob Unterwurzacher
MacOS and old XFS versions do not support very long symlinks, but let's not make the tests fail because of that. https://github.com/rfjakob/gocryptfs/issues/267
2018-10-10tests: catch "name too long" symlink failure on XFSJakob Unterwurzacher
Retry with length 1000 if length 4000 fails, which should work on all filesystems. Failure was: --- FAIL: TestTooLongSymlink (0.00s) correctness_test.go:198: symlink xxx[...]xxxx /tmp/xfs.mnt/gocryptfs-test-parent/549823072/365091391/TooLongSymlink: file name too long https://github.com/rfjakob/gocryptfs/issues/267
2018-10-10tests: respect TMPDIR if setJakob Unterwurzacher
Setting TMPDIR now allows to run the tests against a directory of your choice, making it easier to test different filesystems.
2018-09-23fusefrontend: Fix uint16 build failure on DarwinJakob Unterwurzacher
Error was: # github.com/rfjakob/gocryptfs/internal/fusefrontend internal/fusefrontend/fs.go:179: cannot use perms | 256 (type uint16) as type uint32 in argument to syscall.Fchmod internal/fusefrontend/fs.go:185: cannot use perms (type uint16) as type uint32 in argument to syscall.Fchmod
2018-09-23fusefrontend: make Rename() symlink-safeJakob Unterwurzacher
Use Openat() and the openBackingDir() helper so we never follow symlinks.
2018-09-23fusefrontend: make Create() symlink-safeJakob Unterwurzacher
Use Openat() and the openBackingDir() helper so we never follow symlinks.
2018-09-23fusefrontend: Open(): fix dirfd leakJakob Unterwurzacher
Close was missing.
2018-09-23fusefrontend: add named parameters to openBackingDirJakob Unterwurzacher
Named parameters make using the function easier.
2018-09-23fusefrontend: get rid of os.File* wrappingJakob Unterwurzacher
Directly use int file descriptors for the dirfd and get rid of one level of indirection.
2018-09-23fusefrontent: make Open() symlink-safeJakob Unterwurzacher
2018-09-23tests: add symlink_race toolJakob Unterwurzacher
Help uncover symlink races.
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