-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 12/30/2013 08:09 PM, Robert Moskowitz wrote: > > On 12/30/2013 08:03 PM, Bill Oliver wrote: >> On Tue, 31 Dec 2013, Patrick O'Callaghan wrote: >> >>> >>> On Mon, Dec 30, 2013 at 11:25 PM, Bill Oliver <vendor@xxxxxxxxxxxxx> >>> wrote: >>> >>> In linux, is it possible to dictate two different actions upon login >>> with different passwords? >>> >>> >>> >>> Short answer: no. >>> >>> Longer answer: in computing almost anything is possible if you really >>> want to achieve it. Given that on Unix-style systems, including Linux, >>> the login program can be changed, you can modify the source to do what >>> you want. Of course you'll need to have superuser privileges to install >>> it in place of the system standard. Note that doing this may well open >>> a can of worms, e.g. you might have to modify the format of the >>> password file (and hence the library routines that access it), possibly >>> fiddle with SElinux settings, etc. etc. >>> >>> If the conditions are relaxed slightly you can get a partial solution >>> using the standard login: write a Shell startup script (.profile or >>> whatever) that allows the user to discriminate between the two modes, >>> e.g. by using a timeout, detecting the initial state of the Shift (or >>> Control or whatever) key etc., in a way that is hopefully non-obvious >>> to an observer. Probably not reliable enough for serious use. >>> >>> Conclusion: better look for some other way to cover your tracks, and >>> note that a forensic investigation can be carried out without having >>> you log in at all. >>> >>> poc >>> >>> > You could setup a pam module that would work with the login shell to do different things based on the password. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlLFkWIACgkQrlYvE4MpobNKdgCgsHU+cA1GPVOWe7UVgVAeImE6 YZ4AnAixcwOhNrKpR6Fw8PfpBx4lfph8 =tjXd -----END PGP SIGNATURE----- -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
