UNIX_CHKPWD(8) Linux-PAM Manual UNIX_CHKPWD(8)
unix_chkpwd - Helper binary that verifies the password of the current user
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.
Written by Andrew Morgan and other various people.
This page is part of the linux-pam (Pluggable Authentication Modules for Linux) project. Information about the project can be found at ⟨http://www.linux-pam.org/⟩. If you have a bug report for this manual page, see ⟨//www.linux-pam.org/⟩. This page was obtained from the tarball Linux-PAM-1.3.0.tar.bz2 fetched from ⟨http://www.linux-pam.org/library/⟩ on 2021-08-27. If you discover any rendering problems in this HTML version of the page, or you believe there is a better or more up-to-date source for the page, or you have corrections or improvements to the information in this COLOPHON (which is not part of the original manual page), send a mail to email@example.com Linux-PAM Manual 04/01/2016 UNIX_CHKPWD(8)
Pages that refer to this page: pam_unix(8)