On 06/09/2011 09:59 AM, Ondrej Vasik wrote:
> On Sun, 2011-06-05 at 13:50 +0200, Roberto Ragusa wrote:
>> On 06/05/2011 12:32 PM, Ralf Ertzinger wrote:
>>> Hi.
>>>
>>> On Sun, 05 Jun 2011 11:39:02 +0200, Roberto Ragusa wrote
>>>
>>>> - rsync -a FAILS!
>>>
>>> rsync supports -X (for xattr) and -A (for ACLs), both must be
>>> given explicitly.
>>
>> Thanks, rsync -X actually works (and I wonder why -X is not included
>> in -a, just as for cp).
>>
>> I see tar has --xattrs. With tar -c it works (the tar file contains the
>> string with the value), but tar -x does not recreate the xattr.
>>
>> By using strace I see that rsync does
>>
>> open(".a.eWMgCy", O_RDWR|O_CREAT|O_EXCL|O_LARGEFILE, 0600) = 1
>> fchmod(1, 0700) = 0
>> close(1) = 0
>> lstat64(".a.eWMgCy", {st_mode=S_IFREG|0700, st_size=0, ...}) = 0
>> llistxattr(".a.eWMgCy", 0x82bb0c0, 1024) = 0
>> lsetxattr(".a.eWMgCy", "security.capability", "\x01\x00\x00\x02\x00 \x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 20, 0) = 0
>> lsetxattr(".a.eWMgCy", "user.qqq", "www", 3, 0) = 0
>> utimensat(AT_FDCWD, ".a.eWMgCy", {UTIME_NOW, {1307265135, 0}}, AT_SYMLINK_NOFOLLOW) = 0
>> chmod(".a.eWMgCy", 0755) = 0
>> rename(".a.eWMgCy", "a") = 0
>>
>> while tar -x does
>>
>> mknod("a", 0700) = 0
>> setxattr("a", "user.qqq", "www", 3, 0) = 0
>> open("a", O_WRONLY|O_CREAT|O_LARGEFILE, 0700) = 4
>> close(4) = 0
>> utimensat(AT_FDCWD, "a", {{1307271119, 468295223}, {1307265135, 0}}, 0) = 0
>> setxattr("a", "user.qqq", "www", 3, 0) = 0
>> chown32("a", 0, 0) = 0
>> chmod("a", 0755) = 0
>>
>> Why is tar not working? ("getcap a" prints nothing)
>>
> Simply because tar does not store all the extended attributes. Just
> limited set of them. At the moment security.capability is not among
> them. Feel free to report a bugzilla against rawhide tar...
The problem is not only with the security.capability.
The user.qqq one is also missing (even if strace says it has been
attempted).
--
Roberto Ragusa mail at robertoragusa.it
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