Re: Bugreport on Ubuntu LTS: not ok - 2 Objects creation does not break ACLs with restrictive umask

[Stefan Beller <stefanbeller@googlemail.com>]

Just did a short google search and found this:
http://serverfault.com/questions/294158/enable-acl-for-ecryptfs-mounted-home-directory

So I am convinced my filesystem is just broken as you said ;)

2012/6/5 Stefan Beller <stefanbeller@googlemail.com>:
> Hi,
>
> sb@sb:~/OSS/git/t$ ./t1304-default-acl.sh --verbose
> Initialized empty Git repository in /home/sb/OSS/git/t/trash
> directory.t1304-default-acl/.git/
> expecting success:
>    setfacl -m d:u::rwx,d:g::---,d:o:---,d:m:rwx $dirs_to_set &&
>    setfacl -m m:rwx               $dirs_to_set &&
>    setfacl -m u:root:rwx          $dirs_to_set &&
>    setfacl -m d:u:"${LOGNAME}":rwx  $dirs_to_set &&
>    setfacl -m d:u:root:rwx        $dirs_to_set &&
>
>    touch file.txt &&
>    git add file.txt &&
>    git commit -m "init"
>
> [master (root-commit) 47f54f4] init
>  Author: A U Thor <author@example.com>
>  0 files changed
>  create mode 100644 file.txt
> ok 1 - Setup test repo
>
> expecting success:
>    # SHA1 for empty blob
>    check_perms_and_acl .git/objects/e6/9de29bb2d1d6434b8b29ae775ad8c2e48c5391
>
> /home/sb/OSS/git/t/trash directory.t1304-default-acl
> not ok - 2 Objects creation does not break ACLs with restrictive umask
> #
> #           # SHA1 for empty blob
> #           check_perms_and_acl .git/objects/e6/9de29bb2d1d6434b8b29ae775ad8c2e48c5391
> #
>
> expecting success:
>    git gc &&
>    check_perms_and_acl .git/objects/pack/*.pack
>
> Counting objects: 3, done.
> Writing objects: 100% (3/3), done.
> Total 3 (delta 0), reused 0 (delta 0)
> /home/sb/OSS/git/t/trash directory.t1304-default-acl
> not ok - 3 git gc does not break ACLs with restrictive umask
> #
> #           git gc &&
> #           check_perms_and_acl .git/objects/pack/*.pack
> #
>
> # failed 2 among 3 test(s)
> 1..3
> sb@sb:~/OSS/git/t$ cat trash\ directory.t1304-default-acl/actual
> # file: .git/objects/pack/pack-ee77696bcc9be7ef581005ee3706bc17fcba376d.pack
> # owner: sb
> # group: sb
> user::r--
> user:root:rwx   #effective:---
> user:sb:rwx     #effective:---
> group::---
> mask::---
> other::---
>
> sb@sb:~/OSS/git/t$ mount
> /dev/sda3 on / type ext4 (rw,errors=remount-ro)
> proc on /proc type proc (rw,noexec,nosuid,nodev)
> sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
> none on /sys/fs/fuse/connections type fusectl (rw)
> none on /sys/kernel/debug type debugfs (rw)
> none on /sys/kernel/security type securityfs (rw)
> udev on /dev type devtmpfs (rw,mode=0755)
> devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
> tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
> none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
> none on /run/shm type tmpfs (rw,nosuid,nodev)
> /dev/sda4 on /home type ext4 (rw)
> binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc
> (rw,noexec,nosuid,nodev)
> /home/sb/.Private on /home/sb type ecryptfs
> (ecryptfs_check_dev_ruid,ecryptfs_cipher=aes,ecryptfs_key_bytes=16,ecryptfs_unlink_sigs,ecryptfs_sig=3b9d213e5c5d5780,ecryptfs_fnek_sig=77bec2da523c0338)
> gvfs-fuse-daemon on /home/sb/.gvfs type fuse.gvfs-fuse-daemon
> (rw,nosuid,nodev,user=sb)
>
>
> So I am using /dev/sda4 on /home type ext4 (rw), but my user account
> has its home directory encrypted via ecryptfs.
> This is not run inside a virtual machine, it's a native computer.
>
>
>
> 2012/6/5 Matthieu Moy <Matthieu.Moy@grenoble-inp.fr>:
>> Junio C Hamano <gitster@pobox.com> writes:
>>
>>> Stefan Beller <stefanbeller@googlemail.com> writes:
>>>
>>>> I tried debugging into it:
>>>> In git/t/t1304-default-acl.sh there is:
>>>> check_perms_and_acl () {
>>>>     test -r "$1" &&
>>>>     getfacl "$1" > actual &&
>>>>     grep -q "user:root:rwx" actual &&
>>>>     grep -q "user:${LOGNAME}:rwx" actual &&
>>>>     egrep "mask::?r--" actual > /dev/null 2>&1 &&
>>>>     grep -q "group::---" actual || false
>>>> }
>>
>> Can you run it with --verbose and post the result?
>>
>>> Any ideas (other than "Your filesystem is broken",
>>> that is)?
>>
>> I'm very tempted to go for the "Your filesystem is broken" indeed.
>>
>>> As far as I can tell, with 'mask::---', these specific users who are
>>> given permissions to read from the objects wouldn't be able to read
>>> from them, so...
>>
>> That's my understanding too.
>>
>> Stefan, which filesystem are you using in the directory where you run
>> tests (type "mount" if you don't know)? Are you running on a virtual
>> machine?
>>
>> --
>> Matthieu Moy
>> http://www-verimag.imag.fr/~moy/