Re: [ADMIN] PAM

I am not sure, but it is possible you are seeing a problem with the new
storage of passwords as MD5 encrypted on pg_shadow. The attached patch
fixes this.

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Tim Frank wrote:
> I was testing this on a 7.3 beta the other week to try to make it work
> with LDAP authentication, and I think I only got it working if I bypased
> the system-auth PAM file that everything was normally funneled through.
> I don't know exactly why it wasn't working, but whenever I put a line
> that used pam_unix.so it would fail with the same error you are
> encountering.
>
> I didn't invest a huge amount of time figuring out why pam_unix.so was
> causing a problem because I wanted to use pam_ldap.so anyways.
>
> There doesn't seem to be many examples out there that I could find that
> I got to work. FYI I am testing on RedHat 7.x and 8.0 machines.
>
> Tim
>
> EMOTO Masahiko wrote:
> > Does anyone show me a sample of PAM authenticate file?
> >
> > I want to use pam for client authentication, and I create pg_hba.cnf as,
> >
> >
> >>host all all 127.0.0.1 255.255.255.255 trust
> >>host all all 192.168.0.0 255.255.0.0 pam postgresql
> >
> >
> > and /etc/pam.d/postgresql as
> >
> >>auth required /lib/security/pam_stack.so service=system-auth
> >>account required /lib/security/pam_stack.so service=system-auth
> >
> >
> > I tried to connect to the server, but failed. The messages I received were follows;
> >
> >
> >>[CLIENT]
> >>% psql -h dgpc1 db1 -U emo
> >>Password:
> >>psql: FATAL: PAM authentication failed for user "emo"
> >>
> >>[SERVER]
> >>DEBUG: reaping dead processes
> >>DEBUG: child process (pid 15642) exited with exit code 0
> >>DEBUG: BackendStartup: forked pid=15643 socket=8
> >>DEBUG: received PAM packet
> >>LOG: CheckPAMAuth: pam_authenticate failed: 'Authentication failure'
> >>FATAL: PAM authentication failed for user "emo"
> >>DEBUG: proc_exit(0)
> >>DEBUG: shmem_exit(0)
> >>DEBUG: exit(0)
> >>DEBUG: reaping dead processes
> >
> >
> > The user account exists in the database, and I typed the system password.
> >
> >
> > Environment:
> > OS : Linux Kernel 2.4.19
> > PostgreSQL 7.3
> >
> >
> > By the way, what really I want to do is to configure the server behave like FTP servers;
> > All the users except the guest (anonymous) requires the password authentication.
> > The guest user can only read the data, and cannot alter the data.
> > Are there any solutions to do this?
> >
> >
> > --- EMOTO Masahiko ---
> >
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