Re: [tbox-l] Unzip does not work with .zip files greather than 2G.

[Jørn A. <Jor...@nt...>]

Large file support (> 2GB) is provided with zip 3.0 released 7 July
2008. Notice zip 2.3 (as provided with the AIX RPM) and earlier
suffers from a buffer overrun vulnerability. It is recommended to
upgrade to 2.31.

--joern


On Fri, 17 Oct 2008, Subramani, GnanaShekar wrote:

> Hi,
>
> Ulimits are fine:
>
> $ ulimit -a
> time(seconds) unlimited
> file(blocks) unlimited
> data(kbytes) 262144
> stack(kbytes) 32768
> memory(kbytes) 32768
> coredump(blocks) unlimited
> nofiles(descriptors) 8192
>
> The problem is with unzip on aix.
>
> If I ftp the .zip file to a linux box; I am able to list/extract its
> contents using unzip.
>
>
>
> -----Original Message-----
> From: Brandon Boles [mailto:bb...@us...]
> Sent: Friday, October 17, 2008 2:38 PM
> To: Subramani, GnanaShekar
> Cc: aix...@li...
> Subject: Re: [tbox-l] Unzip does not work with .zip files greather than
> 2G.
>
> Check value of 'fsize' in '/etc/security/limits'.  In AIX 5.3, it
> defaults to 2097151 (512-byte blocks).  A value of '-1' will set it to
> unlimited (you may want to throttle it to something less).
>
> --
> Brandon Boles
> PowerHA Development Support Specialist
> bb...@us...
>
> On Fri, Oct 17, 2008 at 10:03:56AM -0400, Subramani, GnanaShekar wrote:
>> Hi,
>>
>> I am not able to extract a zip file using unzip program in AIX.
>> Is it because my filesize is more than 2G in size? Please suggest.
>> I am not facing issues with zip files less than 2G.
>>
>> $ oslevel -s
>> 5300-04-02
>>
>> $ rpm -qa | grep -i unzip
>> unzip-5.51-1
>>
>> dart:p3elm -> $ du -sg mydata.zip
>> 2.50 mydata.zip
>>
>> $ unzip -l mydata.zip
>> Archive: mydata.zip
>> End-of-central-directory signature not found. Either this file is not a
>
>> zipfile, or it constitutes one disk of a multi-part archive. In the
>> latter case the central directory and zipfile comment will be found on
>> the last disk(s) of this archive.
>> unzip: cannot find zipfile directory in one of mydata.zip or
>> mydata.zip.zip, and cannot find mydata.zip.ZIP, period.
>>
>> Regards,
>> -GnanaShekar-
>> 813-366-2377 (D)
>> 727-487-4103 (M)
>>
>
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