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<head>
<title>fs_passwd</title>
</head>
<body>
<h1>fs_passwd</h1>
You may use fs_passwd/fs_passwd as a "passwd", "chfn" and "chsh" replacement on your shell machine(s) to cause password, gecos and shell changes to update your freeside machine. You can also use the fs_passwd/fs_passwd.html and fs_passwd/fs_passwd.cgi to run a public password change CGI on a public web server. This can pose a security risk if not configured correctly. <b>Do not use this feature unless you understand what you are doing!</b>
<br><br>Currently it is assumed that the the crypt(3) function in the C library is the same on the Freeside machine as on the target machine.
<ul>
<li>Create a freeside account on the shell or web machine(s).
<li>Setup SSH keys:
<ul>
<li>As the freeside user (on your freeside machine), generate an authentication key using <a href="http://www.tac.eu.org/cgi-bin/man-cgi?ssh-keygen+1">ssh-keygen</a>. Since this is for unattended operation, use a blank passphrase.
<li>Append the newly-created <code>identity.pub</code> file to <code>~freeside
/.ssh/authorized_keys</code> on the shell or web machine(s).
<li>Some new SSH v2 implementation accept v2 style keys only. Use the <code>-t</code> option to <a href="http://www.tac.eu.org/cgi-bin/man-cgi?ssh-keygen+1">ssh-keygen</a>, and append the created <code>id_dsa.pub</code> or <code>id_rsa.pub</code> to <code>~freeside/.ssh/authorized_keys2</code> on the remote machine(s).
</ul>
<li>Copy fs_passwd/fs_passwdd to /usr/local/sbin on the shell or web machine(s). (chown freeside, chmod 500)
<li>Create /usr/local/freeside on the shell or web machine(s). (chown freeside, chmod 700)
<li>Run an iteration of "fs_passwd/fs_passwd_server <i>user</i> shell.machine" as the freeside user for each shell or web machine (this is a daemon process). <i>user</i> refers to a freeside user added by <a href="man/bin/freeside-adduser.html">freeside-adduser</a>.
<li>Copy fs_passwd/fs_passwd to /usr/local/bin on the shell machine(s). (chown freeside, chmod 4755). You may link it to passwd, chfn and chsh as well.
<li>Copy fs_passwd/fs_passwd.cgi to the cgi-bin directory on your web machine(s). Use <a href="http://www.apache.org/docs/suexec.html">suEXEC</a> or <a href="http://www.perldoc.com/perl5.6.1/pod/perlsec.html">suidperl</a> to run fs_passwd.cgi as the freeside user.
</ul>
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