View the most recent changes for the checkpassword-pam port at: checkpassword-pam.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for checkpassword-pam.
The raw portfile for checkpassword-pam 0.99 is located here:
http://checkpassword-pam.darwinports.com/dports/security/checkpassword-pam/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/checkpassword-pam

The checkpassword-pam Portfile 30252 2007-10-23 02:19:43Z jmpp macports.org $
PortSystem 1.0

Name: checkpassword-pam
Version: 0.99
Category: security
Maintainers: nomaintainer
Description: implementation of checkpassword-compatible auth program
Long Description: checkpassword-pam was written from scratch. There are several older packages called checkpassword-pam, derived from DJB's checkpassword code. This checkpassword-pam is more modern and administrator-friendly.
Homepage: http://checkpasswd-pam.sourceforge.net/
Master Sites: sourceforge:checkpasswd-pam
Checksums: md5 47db7b71f281115b030d4947f09f4374
Platform: darwin

Patch Files: patch-pam-support.c

configure.args --mandir='${prefix}/share/man'
post-configure {
file copy -force ${filespath}/check.sh.in ${worksrcpath}/check.sh
reinplace "s| PREFIX |${prefix}|" ${worksrcpath}/check.sh
}

post-destroot {
# Check if user is running as root
if {$env(USER) == "root"} {
system "chmod 4511 ${destroot}${prefix}/bin/${name}"
} else {
ui_msg "-----------------------------------------------------------"
ui_msg "Note that you are not running as root, so ${name}"
ui_msg "cannot be installed setuid root. Therefore, it will only"
ui_msg "be able to be executed by root."
ui_msg "-----------------------------------------------------------"
system "chmod 0511 ${destroot}${prefix}/bin/${name}"
}
xinstall -d -m 0755 ${destroot}${prefix}/share/doc/${name}
xinstall -m 0644 -W ${worksrcpath} AUTHORS COPYING INSTALL interface.html NEWS README ${destroot}${prefix}/share/doc/${name}
xinstall -m 0755 check.sh ${destroot}${prefix}/share/doc/${name}/check.sh
ui_msg "-----------------------------------------------------------"
ui_msg "A sample check script has been provided here:\n"
ui_msg " ${prefix}/share/doc/${name}/check.sh\n"
ui_msg "You can use this to verify that your PAM configuration"
ui_msg "is correct for ${name} usage."
ui_msg "-----------------------------------------------------------"
}

If you haven't already installed Darwin Ports, you can find easy instructions for doing so at the main Darwin Ports page.
Once Darwin Ports has been installed, in a terminal window and while online, type the following and hit return:

%  cd /opt/local/bin/portslocation/dports/checkpassword-pam
%  sudo port install checkpassword-pam  
Password: 

You will then be prompted for your root password, which you should enter. You may have to wait for a few minutes while the software is retrieved from the network and installed for you. Y ou should see something that looks similar to:

--->  Fetching checkpassword-pam
--->  Verifying checksum for checkpassword-pam
--->  Extracting checkpassword-pam
--->  Configuring checkpassword-pam
--->  Building checkpassword-pam with target all

--->  Staging checkpassword-pam into destroot

--->  Installing checkpassword-pam

- Make sure that you do not close the terminal window while Darwin Ports is working. Once the software has been installed, you can find further information about using checkpassword-pam with these commands:

%  man checkpassword-pam
%  apropos checkpassword-pam
%  which checkpassword-pam
%  locate checkpassword-pam

 Where to find more information: