PAM_PEFS(8) System Manager's Manual PAM_PEFS(8) NAME pam_pefs -- pefs PAM module SYNOPSIS [service-name] module-type control-flag pam_pefs [options] DESCRIPTION The pefs authentication service module for PAM, pam_pefs provides function- ality for two PAM categories: authentication and session management. In terms of the module-type parameter, they are the "auth" and "session" fea- tures. Module expects pefs file system to be mounted on user home directory and fails otherwise. Pefs Authentication Module The pefs authentication component provides a function to verify the iden- tity of a user (pam_sm_authenticate()), by prompting the user for a passphrase and verifying that it exists in pefs key chain database. The following options may be passed to the authentication module: use_first_pass If the authentication module is not the first in the stack, and a previous module obtained the user's password, that password is used to authenticate the user. If this fails, the authentication module returns failure without prompting the user for a password. This option has no effect if the authentication module is the first in the stack, or if no previous modules obtained the user's password. try_first_pass This option is similar to the use_first_pass option, except that if the previously obtained password fails, the user is prompted for another password. ignore_missing Accept any passphrase provided by the user. This option is used not to authenticate user, but to preserve keys that should be added to pefs file system by session management module. Option is incompatible with try_first_pass option and should be used with use_first_pass option. delkeys Remove keys at the end of last session. Module tracks the number of concurrent sessions, removing all keys from file system when session count reaches zero. Pefs Session Management Module The pefs session management component provides functions to initiate (pam_sm_open_session()) and terminate (pam_sm_close_session()) sessions. The pam_sm_open_session() function adds key or key chain decrypted during the authentication phase to the pefs file system mounted on user home di- rectory. FILES $HOME/.pefs.conf pefs configuration file $HOME/.pefs.db pefs key chain database file SEE ALSO pam.conf(5), pam(8) pefs(8) AUTHORS The pam_pefs module was written by Gleb Kurtsou <gleb@FreeBSD.org>. BUGS pam_sm_close_session() function doesn't delete keys added during by pam_sm_open_session(). FreeBSD ports 15.quarterly December 1, 2009 PAM_PEFS(8)
NAME | SYNOPSIS | DESCRIPTION | FILES | SEE ALSO | AUTHORS | BUGS
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