NAME¶
unix_chkpwd - Helper binary that verifies the password of the current user
SYNOPSIS¶
unix_chkpwd [...]
DESCRIPTION¶
unix_chkpwd is a helper program for the
pam_unix module that
verifies the password of the current user. It also checks password and account
expiration dates in
shadow. It is not intended to be run directly from
the command line and logs a security violation if done so.
It is typically installed setuid root or setgid shadow.
The interface of the helper - command line options, and input/output data format
are internal to the
pam_unix module and it should not be called
directly from applications.
SEE ALSO¶
pam_unix(8)
AUTHOR¶
Written by Andrew Morgan and other various people.