Re: Protected ZIP file with password
| From: | Petrus Bastos | Date: | Mon, 18 Feb 2008 20:57:19 +0000 |
| Subject: | Re: Protected ZIP file with password | ||
| References: | 1 2 3 4 5 6 7 8 9 10 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-269538@lists.php.net to get a copy of this message | ||
I'd look at parameters and my command is ok.
On Feb 18, 2008 5:51 PM, Nick Stinemates <nick@stinemates.org> wrote:
> Petrus Bastos wrote:
> > I'm testing on FreeBSD. I can use any command through system(), but the
> zip
> > command doesn't works! I don't know why.
> >
> >
> > On Feb 18, 2008 4:06 PM, Nick Stinemates <nick@stinemates.org> wrote:
> >
> >
> >> Petrus Bastos wrote:
> >>
> >>> Hey folks,
> >>>
> >>> I got access to exec method for test! But, it's not working... :(
> >>> the function returns 127 and don't create the zip file, I've tested on
> >>> Linux command tool and works! Do you have any idea why didn't work?
> >>>
> >>> Thanks again and sorry for the inconvenience,
> >>> Petrus Bastos.
> >>>
> >>> On Feb 18, 2008 2:37 PM, Nick Stinemates <nick@stinemates.org
> >>> <mailto:nick@stinemates.org>> wrote:
> >>>
> >>> Petrus Bastos wrote:
> >>> > Richard,
> >>> >
> >>> > Unfortunately, I can't get out of the zip password rut
> >>> because the
> >>> > destination system read only this file format. I can't change
> the
> >>> > destination system.
> >>> >
> >>> > Thanks,
> >>> > Petrus.
> >>> >
> >>> > On Feb 18, 2008 2:11 PM, Richard Lynch <ceo@l-i-e.com
> >>> <mailto:ceo@l-i-e.com>> wrote:
> >>> >
> >>> >
> >>> >> On Mon, February 18, 2008 5:59 am, Petrus Bastos wrote:
> >>> >>
> >>> >>> Thanks again for your worry. So, let's go, here goes my
> >>> situation.
> >>> >>> I'm
> >>> >>> exporting data to another system. That system have an option
> to
> >>>
> >> be
> >>
> >>> >>> feed by a
> >>> >>> password protected zip file. The export activity will be occur
> >>> in this
> >>> >>> way:
> >>> >>> the user will generate the file on my application and will put
> >>> this
> >>> >>> file
> >>> >>> into that another system. So, I need generate that file. Maybe
> >>>
> >> one
> >>
> >>> >>> solution
> >>> >>> is to generate the file unzipped and determine that user
> >>> should zip
> >>> >>> the file
> >>> >>> with password on his Windows or Linux operating system. But, I
> >>> can't
> >>> >>> let
> >>> >>> that responsibility on user hands. So, because that I need to
> >>> generate
> >>> >>> the
> >>> >>> file already protected.
> >>> >>>
> >>> >> Perhaps you could use SCP (or SSH tunneling) to transfer the
> >>> file from
> >>> >> system to system, so that it need not ever be visible to the
> >>> outside
> >>> >> world, and thus not need the rather lame zip password.
> >>> >>
> >>> >> Another option would be to take the whole file and 2-way
> encrypt
> >>>
> >> it
> >>
> >>> >> with a public/private key pair, and install the private key on
> >>>
> >> the
> >>
> >>> >> receiving server.
> >>> >>
> >>> >> In other words, get out of the zip password rut, and protect
> >>> the file
> >>> >> some other way.
> >>> >>
> >>> >> --
> >>> >> Some people have a "gift" link here.
> >>> >> Know what I want?
> >>> >> I want you to buy a CD from some indie artist.
> >>> >> http://cdbaby.com/from/lynch
> >>> >> Yeah, I get a buck. So?
> >>> >>
> >>> >>
> >>> >>
> >>> >
> >>> >
> >>> Sounds like a creative challenge... this is what makes programmers
> >>> problem solvers. You can write the code, you have the knowledge..
> >>>
> >> and
> >>
> >>> then you get requirements like this one. How annoying!
> >>>
> >>> I found out some interesting information researching your issue.
> It
> >>> seems that encryption by password is actually not built in to ZIP
> >>> itself, but was an implementation detail apps like WinZip added to
> >>>
> >> the
> >>
> >>> mix. Because of that, the original ZIP libs don't have any notions
> >>>
> >> of
> >>
> >>> password protection.
> >>>
> >>> It seems like this isn't a language specific issue, either.
> >>>
> >>> I think it's time to get creative, Petros. You're in a bind, and I
> >>> assume you need to get this done, so you have the following
> >>> options (in
> >>> the order I would do it in..)
> >>> -> Turn on exec()
> >>> -> You can use/modify an app I wrote (in python) which accepts
> UDP
> >>> packets and executed commands based off of it. You can strip out
> the
> >>> really insecure things and just accept 'zip' commands. The lib/app
> >>>
> >> is
> >>
> >>> really small and lightweight. There are no dependencies outside of
> I
> >>> think 3 python modules. If I couldn't turn on exec(), this is the
> >>> route
> >>> I would go.
> >>> -> Use some form of file/directory montoring + zip.
> >>> -> Pass the request on to an environment that has zip()
> >>>
> >>> --
> >>> ==================
> >>> Nick Stinemates (nick@stinemates.org
> >>> <mailto:nick@stinemates.org>)
> >>> http://nick.stinemates.org
> >>>
> >>> AIM: Nick Stinemates
> >>> MSN: nickstinemates@hotmail.com
> >>> <mailto:nickstinemates@hotmail.com
> >
> >>> Yahoo: nickstinemates@yahoo.com
> >>> <mailto:nickstinemates@yahoo.com>
> >>> ==================
> >>>
> >>>
> >>>
> >>>
> >> What platform are you testing on?
> >>
> >> You got it to work under Linux but not on Windows? Am I understanding
> >> that properly?
> >>
> >> For windows, I read you should be using a tool called PkZIP.
> >>
> >> --
> >> ==================
> >> Nick Stinemates (nick@stinemates.org)
> >> http://nick.stinemates.org
> >>
> >> AIM: Nick Stinemates
> >> MSN: nickstinemates@hotmail.com
> >> Yahoo: nickstinemates@yahoo.com
> >> ==================
> >>
> >>
> >>
> >>
> >
> >
> Do you have SSH access to the system?
>
> If so, 'man zip' and look at the params.
>
> --
> ==================
> Nick Stinemates (nick@stinemates.org)
> http://nick.stinemates.org
>
> AIM: Nick Stinemates
> MSN: nickstinemates@hotmail.com
> Yahoo: nickstinemates@yahoo.com
> ==================
>
>
>