Date: Mon, 12 Sep 2016 15:34:54 +0200 From: "O. Hartmann" <ohartman@zedat.fu-berlin.de> To: freebsd-current <freebsd-current@freebsd.org> Subject: PROBLEM: memory disk, autologin and pam_mkhomedir Message-ID: <20160912153454.485aa6a3@freyja.zeit4.iv.bundesimmobilien.de>
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Hello all. Running a small NanoBSD image that is supposed to provide only a one-user, single simple session utilizing Firefox, I run into problems. The setup targets a security sensitive issue, so the /home folder is created as a memory disk and of limited size via /etc/fstab. The user, called "autologin" for simple reasons, has the proper settings in /etc/gettytab: # # Autologin Terminal # Pc-auto|Pc autologin console:\ :tc=Pc:sp#230400:\ :al=autologin: and its settings in /etc/ttys meets this requirement by: ttyv1 "/usr/libexec/getty Pc-auto" xterm on secure So far. To make this user a real autologin user, I also added to /etc/pam.d/system the recommendation as of: # session session required /usr/local/lib/pam_mkhomedir.so \ mode=0750 session required pam_lastlog.so no_fail Obviously, this logix doesn't apply. The user "autologin" gets logged in to "/", on the console I have some error message saying [...] No home directory. Logging in with home = "/" The user is located in root's root. Typing "cd" at the carret puts then this user into /home/autolgin - as expected, but too late! I guess autologin logs in users way to early, or something is missing in the pam_mkhomedir config, but I can't find out what. I tried to check also login.conf(5) for suitable answeres, but none found. The operator :requirehome: in /etc/login.conf can not be used, since the creation of the home on loggin doesn't work as expected. Is this a bug or a feature? Is there a solution to this? Thank you very much in advance for your help, Kind regards, Oliver
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