Re: [OATH-Toolkit-help] totp pam and try_first_pass or use_first_pass

[Simon Josefsson]

Jens Czyborra <address@hidden> writes:

> Example:
>
> in /etc/pam.d/sudo:
>
> auth            required        pam_unix.so
> auth            sufficient      pam_oath.so     usersfile=/etc/users.oath 
> digits=6 try_first_pass debug
>
> By testing the login by the unix pass everything works well.
>
> By testing with the otp (xyzabc_ is the password and 123456 is the otp) i get:

Hi Jens!  Welcome to the list.

Try reversing the order of password and PIN -- i.e., type
'123456xyzabc_' instead of 'xyzabc_123456'.  If it is important for you
to type the password first and the PIN next, it should be possible to
add a flag for the PAM module to modify this behaviour.

/Simon

> ~]$ sudo su
> Passwort: 
> [pam_oath.c:parse_cfg(118)] called.
> [pam_oath.c:parse_cfg(119)] flags 32768 argc 4
> [pam_oath.c:parse_cfg(121)] argv[0]=usersfile=/etc/users.oath
> [pam_oath.c:parse_cfg(121)] argv[1]=digits=6
> [pam_oath.c:parse_cfg(121)] argv[2]=use_first_pass
> [pam_oath.c:parse_cfg(121)] argv[3]=debug
> [pam_oath.c:parse_cfg(122)] debug=1
> [pam_oath.c:parse_cfg(123)] alwaysok=0
> [pam_oath.c:parse_cfg(124)] try_first_pass=0
> [pam_oath.c:parse_cfg(125)] use_first_pass=1
> [pam_oath.c:parse_cfg(126)] usersfile=/etc/users.oath
> [pam_oath.c:parse_cfg(127)] digits=6
> [pam_oath.c:parse_cfg(128)] window=5
> [pam_oath.c:pam_sm_authenticate(157)] get user returned: jens
> [pam_oath.c:pam_sm_authenticate(168)] get password returned: xyzabc_123456
> [pam_oath.c:pam_sm_authenticate(274)] Password: xyzabc_ 
> [pam_oath.c:pam_sm_authenticate(292)] OTP: 
> [pam_oath.c:pam_sm_authenticate(305)] authenticate rc -2 
> (OATH_INVALID_DIGITS: 
> Unsupported number of OTP digits) last otp Mon May 30 01:00:38 2011
>
> [pam_oath.c:pam_sm_authenticate(311)] One-time password not authorized to 
> login as user 'jens'
> [pam_oath.c:pam_sm_authenticate(327)] done. [Fehler bei Authentifizierung]
> Sorry, try again.
> Passwort: 
>
>
> the same with use_first_pass
>
> withou both try_first_pass and use_first_pass it works but i'm asked first 
> for 
> the unix pass and second for the otp if unix fails
>
> ???????