Re: Authentication problem

[Pierre-Yves Fontaniere <pyf@xxxxxxxxxxx>]

On 03/04/2011 10:39 AM, Andreas Schneider wrote:
> On Friday 04 March 2011 10:31:52 you wrote:
>    
> > On 03/03/2011 02:42 PM, Pierre-Yves Fontaniere wrote:
> >      
> > > Hello ... I'm trying to use libssh0.4.8 on AIX6.1 and have a problem
> > > with public key authentication.
> > >
> > > My program simply :
> > >   - Initialize a session.
> > >   - Verify the remote server/key matching.
> > >   - Test if pubkey authentication is ok for the remote server.
> > >   - Create a private key from the file.
> > >   - Calculate public key from the private key.
> > >   - Offer this pubkey to the remote server.
> > >   - Try to authenticate with this pubkey. And it failed here.
> > >        
> > I launched a sshd server in debugging mode to see why
> > "ssh_userauth_pubkey" (specifically it's the function"
> > wait_auth_status") returns SSH_AUTH_ERROR.
> > And see no problem with connection :
> >
> > ...
> > debug1: matching key found: file /home/md/.ssh/authorized_keys, line 2767
> > Found matching RSA key: 31:30:06:88:0f:25:f4:b5:37:f1:e0:fc:dc:16:d4:60
> > debug1: restore_uid: 0/0
> > debug1: ssh_rsa_verify: signature correct
> > debug2: userauth_pubkey: authenticated 1 pkalg ssh-rsa
> > debug1: do_pam_account: called
> > debug3: PAM: do_pam_account pam_acct_mgmt = 0 (Success)
> > Accepted publickey for md from 134.158.105.104 port 42501 ssh2
> > debug1: Entering interactive session for SSH2.
> > debug2: fd 4 setting O_NONBLOCK
> > debug2: fd 5 setting O_NONBLOCK
> > debug1: server_init_dispatch_20
> > Received disconnect from 134.158.105.104: 11: Bye Bye
> > debug1: do_cleanup
> > debug1: PAM: cleanup
> > debug3: PAM: sshpam_thread_cleanup entering
> >      
> Hmm, this is strange. The ssh_userauth_autopubkey uses the same functions and
> works just fine here, have you tried it?
>    
Yep, and that is the same.
> Which OpenSSL version do you have?
>    
OpenSSL 0.9.8k from IBM AIX package.
or OpenSSL 1.0.0.d

Pierre-yves Fontaniere