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Re: [PLUG] Programmers: PAM Authentication through a web application?
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I got crypt(3) to produce accurate md5 hashes, and I
got authentiation working with the perl PAM Module
non-interactively with the conversatin feature, its
perfect.
Now I have a decision to make, thanks for the info!
--- Pat Regan <thehead@patshead.com> wrote:
> Marc Zucchelli wrote:
> > I am reinventing the wheel again, I am building a
> > webhosting control panel, and I would like users
> to
> > sign in with their FTP password. I am trying to
> > figure out the best way of accomplishing this.
> >
> > 1. I could keep an updated md5 hash of their
> password
> > in a database that I can authenticate against.
> >
> > 2. I could set /etc/shadow to use md5 and
> > authenticate against that, this way the password
> hash
> > will only be stored in one place, which is good.
> The
> > only problem is that:
> > echo "123456" | md5sum
> >
> > gives me:
> >
> > f447b20a7fcbf53a5d5be013ea0b15af
> >
> > But an md5 password of 123456 in /etc/shadow looks
> > more like this:
> >
> > $1$IlxzSzzz$Iagtf0Kf88rsCAUXzUlKf1
> >
> > How am I supposed to compare the two?
>
> You shouldn't have to know how any of this is
> implemented, and you
> probably should query against PAM. I don't know
> what language you are
> using, but this Perl module seems to be the sort of
> thing you should use:
>
>
http://search.cpan.org/~nikip/Authen-PAM-0.16/d/PAM.pm
>
> Pat
> >
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