03-25-2009
Well, you can tell your boss that there's no way since UNIX passwords aren't encrypted, but hashed, which is a one-way operation. So unless, as Jim said, there's a paper trail or someone else kept a list already you're out of luck. Of course, if the users were allowed to change their passwords themselves and did so, even that is good for nothing.
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LEARN ABOUT DEBIAN
rlm_files
rlm_files(5) FreeRADIUS Module rlm_files(5)
NAME
rlm_files - FreeRADIUS Module
DESCRIPTION
The rlm_files module uses the 'users' file for accessing authorization information for users. Additionally, it supports a 'users' file
syntax to be applied to the accounting and pre-proxy sections.
The main configuration items to be aware of are:
usersfile
The filename of the 'users' file, which is parsed during the authorization stage of this module.
acctusersfile
The filename of the 'users' file, which is parsed during the accounting stage of this module.
preproxy_usersfile
The filename of the 'users' file, which is parsed during the pre_proxy stage of this module.
compat This option allows FreeRADIUS to parse an old style Cistron syntax. The default is 'no'. If you need to parse an old style Cistron
file, set this option to 'cistron'.
key This option lets you set the attribute to use as a key to find entries. The default is "%{Stripped-User-Name:-%{User-Name}}". Note
that the key MUST supply real data. Dynamic attributes like "Group" will not work, because the "Group" attribute can only be used
as a comparison, to see if a user is in a Unix group. It will not return the name of the Unix group that a user is in.
If you want to use groups as a key, see the rlm_passed, which will create a real attribute that contains the group name.
This configuration entry enables you to have configurations that perform per-group checks, and return per-group attributes, where the group
membership is dynamically defined by a previous module. It also lets you do things like key off of attributes in the reply, and express
policies like like "when I send replies containing attribute FOO with value BAR, do more checks, and maybe send additional attributes".
CONFIGURATION
modules {
... stuff here ...
files {
usersfile = %{confdir}/users
acctusersfile = %{confdir}/acct_users
preproxy_usersfile = %{confdir}/preproxy_users
compat = no
key = %{Stripped-User-Name:-%{User-Name}}
}
... stuff here ...
}
SECTIONS
authorization, accounting, pre_proxy
FILES
/etc/raddb/radiusd.conf, /etc/raddb/users, /etc/raddb/acct_users, /etc/raddb/preproxy_users
SEE ALSO
radiusd(8), radiusd.conf(5), users(5)
AUTHORS
Chris Parker, cparker@segv.org
5 February 2004 rlm_files(5)