Re: [LTP] [PATCH 1/1] fix container_ftp.pl

[DAN LI <li.dan@cn.fujitsu.com>]

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On 08/08/2012 04:52 PM, Simon Xu wrote:
> On 2012/8/8 16:30, DAN LI wrote:
>> On 08/03/2012 12:34 AM, Simon Xu wrote:
>>> container_ftp.pl has several problems:
>>>
>>> * ftp users can't cd to a temporary dir in /tmp
>>> * ftp->cwd($dir) will always fail
>>> * if we do 'chdir $dir', 'rmdir("$dir")' will fail
>>> * 'ftp->put' should be 'ftp->get'
>>>
>>> Signed-off-by: Simon Xu <xu.simon@oracle.com>
>>> ---
>>>   testcases/kernel/containers/netns/container_ftp.pl | 15 
>>> ++++++++-------
>>>   1 file changed, 8 insertions(+), 7 deletions(-)
>>>
>>> diff --git a/testcases/kernel/containers/netns/container_ftp.pl 
>>> b/testcases/kernel/containers/netns/container_ftp.pl
>>> index 89a35b5..98742f3 100644
>>> --- a/testcases/kernel/containers/netns/container_ftp.pl
>>> +++ b/testcases/kernel/containers/netns/container_ftp.pl
>>> @@ -23,6 +23,7 @@
>>>     use File::Temp 'tempdir';
>>>   use Net::FTP;
>>> +use File::Path;
>>>     if ($#ARGV == -1) {
>>>       print "usage: $0 host\n";
>>> @@ -35,7 +36,7 @@ my $i = 0;
>>>   my $kount = 51;
>>>   my $file="junkfile";
>>>   -my $tmpdir = defined($ENV{TMPDIR}) ? $ENV{TMPDIR} : "/tmp";
>>> +my $tmpdir = "/var/ftp";
>> hi, Simon
>>
>> I tested container_ftp.pl as follow:
>> ********************************************************
>> #./container_ftp.pl    knownhost_with_vsftpd
>> ********************************************************
>> and failed at "$ftp->cwd" either with this fix or without it.
>>
>> So,did i get the wrong way to test this script ,or,something wrong
>> still exists.
>
> Could you print the value of $dir before "$ftp->cwd"?  And try ftp 
> login as anonymous user, and see if you can cd to the value.
>
Thanks for your quick reply and sorry for my careless.
I try operations as you suggested,and find the problem that dir created 
for test is not available
for any user expect root.

So, now i test and confirm this fix works fine.

Thanks
DAN LI
> Thanks
> Simon
>
>>>     my $dir;
>>>   $dir = tempdir("container_ftp.XXXXXXX", DIR => $tmpdir);
>>> @@ -47,8 +48,7 @@ if (chmod(0777, $dir) == 0) {
>>>       push @ERRORS, "Failed to change mode for temporary directory: 
>>> $!\n";
>>>       printerr();
>>>   }
>>> -chdir $dir;
>>> -system("dd if=/dev/zero of=$file bs=512 count=10 > /dev/null 2>&1 ");
>>> +system("dd if=/dev/zero of=$dir/$file bs=512 count=10 > /dev/null 
>>> 2>&1 ");
>>>     while ( $i < $kount )
>>>   {
>>> @@ -61,13 +61,15 @@ while ( $i < $kount )
>>>           $ftp->quit if $newerr;
>>>           printerr() if $newerr;
>>>   -        $ftp->cwd($dir) or $newerr=1;
>>> +        $basedir = `basename "$dir"`;
>>> +        chomp $basedir;
>>> +        $ftp->cwd($basedir) or $newerr=1;
>>>           push @ERRORS, "Can't cd  $!\n" if $newerr;
>>>           $ftp->quit if $newerr;
>>>           printerr() if $newerr;
>>>             $newname = $file . "_" . $i ;
>>> -        $ftp->put($file,$newname) or $newerr=1;
>>> +        $ftp->get($file,$newname) or $newerr=1;
>>>           push @ERRORS, "Can't get file $file $!\n" if $newerr;
>>>           printerr() if $newerr;
>>>   @@ -82,6 +84,5 @@ sub printerr {
>>>   }
>>>     END {
>>> -    unlink("$dir/$file");
>>> -    rmdir("$dir");
>>> +    rmtree("$dir");
>>>   }
>>
>>
>
>



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