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2017-11-27fusefronted: allow_other: close race between mknod and chownJakob Unterwurzacher
If the user manages to replace the directory with a symlink at just the right time, we could be tricked into chown'ing the wrong file. This change fixes the race by using fchownat, which unfortunately is not available on darwin, hence a compat wrapper is added. Scenario, as described by @slackner at https://github.com/rfjakob/gocryptfs/issues/177 : 1. Create a forward mount point with `plaintextnames` enabled 2. Mount as root user with `allow_other` 3. For testing purposes create a file `/tmp/file_owned_by_root` which is owned by the root user 4. As a regular user run inside of the GoCryptFS mount: ``` mkdir tempdir mknod tempdir/file_owned_by_root p & mv tempdir tempdir2 ln -s /tmp tempdir ``` When the steps are done fast enough and in the right order (run in a loop!), the device file will be created in `tempdir`, but the `lchown` will be executed by following the symlink. As a result, the ownership of the file located at `/tmp/file_owned_by_root` will be changed.
2017-11-25fusefrontend: Fix longname handling for renames with existing targetSebastian Lackner
Fixes https://github.com/rfjakob/gocryptfs/issues/170 Steps to reproduce the problem: * Create a regular forward mount point * Create a file with a shortname and one with a long filename * Try to run 'mv <shortname> <longname>' This should actually work and replace the existing file, but instead it fails with: mv: cannot move '<shortname>' to '<longname>': File exists The problem is the creation of the .name file. If the target already exists we can safely ignore the EEXIST error and just keep the existing .name file.
2017-03-05Drop Go 1.4 compatability code everywhereJakob Unterwurzacher
Yields a nice reduction in code size.
2017-02-20tests: adapt dir overwrite test for Go 1.8Jakob Unterwurzacher
In Go 1.8, os.Rename refuses to overwrite an empty directory. Switch to syscall.Rename, which still does the right thing.
2017-02-16tests: OSX compat: wrap Stat_t atime extractJakob Unterwurzacher
Linux has st.Atim, st.Mtim, OSX hat st.Atimespec, st.Mtimespec. Reported at https://github.com/rfjakob/gocryptfs/issues/15#issuecomment-279130217
2017-01-26tests: add TestLongLink (currently broken)Jakob Unterwurzacher
2016-11-01Add Go 1.4 compatibility layer for raw64Jakob Unterwurzacher
Using raw64 will not work, but at least it will compile.
2016-11-01tests: add raw64 testsJakob Unterwurzacher
Also, use "%#v" instead of JSON for debug output. This means we can unexport all fields.
2016-10-30fusefrontend: drop atime workaroundsJakob Unterwurzacher
The fix at https://github.com/hanwen/go-fuse/pull/131 has been merged. Drop the workarounds and re-enable the tests.
2016-10-19tests: fix forgotten variable renameJakob Unterwurzacher
2016-10-19tests: add 1980.tar.gz extract testJakob Unterwurzacher
Test that we get the right timestamp when extracting a tarball. Also simplify the workaround in doTestUtimesNano() and fix the fact that it was running no test at all.
2016-10-19lint fixesJakob Unterwurzacher
2016-10-16fusefrontend: Utimens: one more band-aidJakob Unterwurzacher
Revert once https://github.com/hanwen/go-fuse/pull/131 is merged.
2016-10-16fusefrontend: Utimens: ugly band-aid for nil pointer crash in go-fuseJakob Unterwurzacher
Crash is described at https://github.com/rfjakob/gocryptfs/issues/48 . Revert this once https://github.com/hanwen/go-fuse/pull/131 is merged.
2016-10-16tests: verify that UTIME_OMIT worksJakob Unterwurzacher
It currently does not and even causes a crash due to a bug in go-fuse. Also converts the test to table-based.
2016-10-16tests: deduplicate UtimesNano testing codeJakob Unterwurzacher
2016-10-16tests: split "normal" tests into "cli" and "defaults"Jakob Unterwurzacher
Also fixes the failure to run the benchmarks do to the missing gocryptfs.diriv.
2016-10-08tests: invert ResetTmpDir argumentJakob Unterwurzacher
As reverse also does not want a diriv file, the "plaintextNames" argument became a misnomer.
2016-10-08tests: matrix: have the testcase struct as a global variableJakob Unterwurzacher
Future tests will need more info about the running test case.
2016-10-08tests: matrix: convert to table-based styleJakob Unterwurzacher
And add AES-SIV
2016-10-04tests: skip tests with -openssl=false on Go 1.4 and lowerJakob Unterwurzacher
Go versions 1.4 and lower lack NewGCMWithNonceSize(), which causes a panic in the test.
2016-10-04tests: symlink to "/" instead of "/etc/motd"Jakob Unterwurzacher
This file does not exist on all systems, causing spurious test failures. See #40, #43
2016-10-04tests: fallocate: skip some disk usage checks on btrfsJakob Unterwurzacher
The expected allocated sizes are verified for tmpfs and ext4. btrfs gives different results, but that's not an error. Also, simplify test_helpers.Du and several code paths. Fixes #43.
2016-09-25Implement changes proposed by gosimple.Jakob Unterwurzacher
Also delete the unused "dirIVNameStruct", found by deadcode.
2016-09-25tests: skip the nanosecond compare for nowJakob Unterwurzacher
2016-09-25tests: set the times on a symlinkJakob Unterwurzacher
This currently fails as reported in https://github.com/rfjakob/gocryptfs/issues/35 . Also remove the spurious sleep in the test.
2016-08-09tests: add TestUtimesNanoJakob Unterwurzacher
Make sure setting nanoseconds works by path and fd.
2016-07-11tests: matrix: print name in verbose outputJakob Unterwurzacher
2016-07-11tests: use unmount wrapper in ResetTmpDirJakob Unterwurzacher
This should make it work on OSX. Also, split unmount into two functions. Depending on what you want, * UnmountErr returns the resulting error * UnmountPanic panics if the error was not nil
2016-07-06tests: fix shadow warningJakob Unterwurzacher
"go tool vet -shadow=true" complained about the md5 package being shadowed by variables called "md5". Fix by using the Md5hex helper and dropping the md5 import.
2016-07-03syscallcompat: OSX: add Fallocate and Openat wrappersJakob Unterwurzacher
...and convert all calls to syscall.{Fallocate,Openat} to syscallcompat . Both syscalls are not available on OSX. We emulate Openat and just return EOPNOTSUPP for Fallocate.
2016-07-02fusefrontend: add fallocate supportJakob Unterwurzacher
Mode=0 (default) and mode=1 (keep size) are supported. The patch includes test cases and the whole thing passed xfstests. Fixes https://github.com/rfjakob/gocryptfs/issues/1 .
2016-07-01fusefrontend: coalesce grows in Truncate()Jakob Unterwurzacher
We were growing the file block-by-block which was pretty inefficient. We now coalesce all the grows into a single Ftruncate. Also simplifies the code! Simplistic benchmark: Before: $ time truncate -s 1000M foo real 0m0.568s After: $ time truncate -s 1000M foo real 0m0.205s
2016-06-30test: split up integration_testsJakob Unterwurzacher
...into "matrix" and "normal". Also: * Make running multiple packages in parallel safe, see http://stackoverflow.com/questions/23715302/go-how-to-run-tests-for-multiple-packages * Don't depent on test_helper.TmpDir and friends to have a terminating slash
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