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PAM_TIMESTAMP_CHECK(8)         Linux-PAM Manual         PAM_TIMESTAMP_CHECK(8)
NAME
       pam_timestamp_check - Check to see if the default timestamp is valid
SYNOPSIS
       pam_timestamp_check [-k] [-d] [target_user]
DESCRIPTION
       With no arguments pam_timestamp_check will check to see if the default
       timestamp is valid, or optionally remove it.
OPTIONS
       -k
           Instead of checking the validity of a timestamp, remove it. This is
           analogous to sudo's -k option.
       -d
           Instead of returning validity using an exit status, loop
           indefinitely, polling regularly and printing the status on standard
           output.
       target_user
           By default pam_timestamp_check checks or removes timestamps
           generated by pam_timestamp when the user authenticates as herself.
           When the user authenticates as a different user, the name of the
           timestamp file changes to accommodate this.  target_user allows to
           specify this user name.
RETURN VALUES
       0
           The timestamp is valid.
       2
           The binary is not setuid root.
       3
           Invalid invocation.
       4
           User is unknown.
       5
           Permissions error.
       6
           Invalid controlling tty.
       7
           Timestamp is not valid.
NOTES
       Users can get confused when they are not always asked for passwords
       when running a given program. Some users reflexively begin typing
       information before noticing that it is not being asked for.
EXAMPLES
           auth sufficient pam_timestamp.so verbose
           auth required   pam_unix.so
           session required pam_unix.so
           session optional pam_timestamp.so
FILES
       /var/run/sudo/...
           timestamp files and directories
SEE ALSO
       pam_timestamp_check(8), pam.conf(5), pam.d(5), pam(8)
AUTHOR
       pam_tally was written by Nalin Dahyabhai.
Linux-PAM Manual                  05/18/2017            PAM_TIMESTAMP_CHECK(8)