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Re: PAM on Linux...



Unfortunately, this does not really help me understand the failure.

> > Can you tell if the module gets the password? What does
> > /var/log/messages say?

> > What version are you using?

If there is a bug lurking somewhere in PAM, I'd really like to remove
it.

Cheers

Andrew

Martin Waller wrote:
> 
> Hello,
> 
> Many thanks for the follow up but I think I've fixed it, or at least have a
> solution. The error return of 3 suggested that something bad was happening
> inside the shared library. As a trial I tried giving PAM the terminal name
> using pam_set_item(pamh,PAM_TTY,"/dev/tty0") and the problem went away and
> the program worked as expected. I then tried setting the TTY to an empty
> string pam_set_item(pamh,PAM_TTY,"") and my program still worked fine which
> begs the question should PAM expect to have a TTY and is the shared library
> walking off the end of a pointer if not supplied with one. I see no reason
> to have to supply a TTY name but I may be wrong ?
> 
> Martin
> "Andrew Morgan" <morgan@transmeta.com> wrote in message
> 3A5F87B2.5309BE76@transmeta.com">news:3A5F87B2.5309BE76@transmeta.com...
> > Martin Waller wrote:
> > >
> > > Hello,
> > >
> > > I'm trying to write a small program that uses PAM to authenticate a user
> > > given a username and password. The program I have uses pam_start and
> > > pam_authenticate. What I'm finding on Linux is that pam_authenticate
> calls
> > > the conversation routine once for the password and always returns PAM
> error
> > > code 3. The same program works fine on a Sun machine and fine on an
> HP-UX
> > > machine and I can't see where I'm going wrong. It's almost as if PAM is
> not
> > > linked upto the /etc/passwd file which is the authentication mechanism
> we
> > > use.
> >
> > Can you tell if the module gets the password? What does
> > /var/log/messages say?
> >
> > > Should we expect PAM to work straight out of the box or is there
> something
> > > more that needs to be done ?
> > > Were any versions of PAM buggy ?
> >
> > What version are you using?
> >
> > Cheers
> >
> > Andrew
> >
> >
> >
> > _______________________________________________
> > Pam-list mailing list
> > Pam-list@redhat.com
> > https://listman.redhat.com/mailman/listinfo/pam-list
> 
> _______________________________________________
> Pam-list mailing list
> Pam-list@redhat.com
> https://listman.redhat.com/mailman/listinfo/pam-list





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