Tickets :: Comment on [#14051] Two Factor Authentication

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Comment	> Hello, > >> well, a 2-factor authentication can easily be done: >> 1. configure Horde for PAM-Authentication >> 2. use the Google authenticator PAM-module, or the pam-u2f-module for >> e.g. Yubikey >> ... and you're done. >> >> Cheers from Stuttgart / BW / Germany >> Christoph. > > I had now the time to investigate further on this topic. It isn't as > easy as mentioned in my last comment ... > Thus the below PAM-config works, tested e.g. as PAM-config for "su", > it doesn't do so with Horde :-(( > PAM-authentication works if I remove the google_authenticator part ... > (just for the records: my system runs on a Debian Jessie amd64) > > /etc/pam.d/horde > auth requisite pam_google_authenticator.so forward_pass > auth [success=1 default=ignore] pam_ldap.so minimum_uid=1000 > use_first_pass > auth requisite pam_deny.so > auth required pam_permit.so > auth optional pam_cap.so > > > -->> the login credential with this PAM-config consists of the > user-password and the one-time-password from the Google Authenticator. > E.g. if the user-password is: mysecretpwd > and the Google OTP: 123456 > the login credential would be: mysecretpwd123456 > > but in /var/log/syslog > HORDE: [horde] FAILED LOGIN for haasc to horde (172.16.1.2) [pid > 10073 on line 199 of "/var/www/html/horde/login.php"] > HORDE: [gollem] PHP ERROR: Invalid argument supplied for foreach() > [pid 10073 on line 338 of "/var/www/html/horde/gollem/lib/Auth.php"] > > ... and the login is denied with a error on the Horde-login-screen: > "Cannot make/remove an entry for the specified session (in pam_authenticate)" > > Clueless - where is my bug? > Christoph. >
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