284 lines
6.3 KiB
Plaintext
284 lines
6.3 KiB
Plaintext
# -*- text -*-
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##
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## policy.conf -- FreeRADIUS server configuration file.
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##
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## http://www.freeradius.org/
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## $Id: 2668b29e3eee8eb9bfb9fbe33a6752314ac49632 $
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##
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#
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# Policies are virtual modules, similar to those defined in the
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# "instantate" section of radiusd.conf.
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#
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# Defining a policy here means that it can be referenced in multiple
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# places as a *name*, rather than as a series of conditions to match,
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# and actions to take.
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#
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# Policies are something like subroutines in a normal language, but
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# they cannot be called recursively. They MUST be defined in order.
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# If policy A calls policy B, then B MUST be defined before A.
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#
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policy {
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#
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# Forbid all EAP types.
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#
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forbid_eap {
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if (EAP-Message) {
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reject
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}
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}
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#
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# Forbid all non-EAP types outside of an EAP tunnel.
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#
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permit_only_eap {
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if (!EAP-Message) {
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# We MAY be inside of a TTLS tunnel.
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# PEAP and EAP-FAST require EAP inside of
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# the tunnel, so this check is OK.
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# If so, then there MUST be an outer EAP message.
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if (!"%{outer.request:EAP-Message}") {
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reject
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}
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}
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}
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#
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# Forbid all attempts to login via realms.
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#
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deny_realms {
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if (User-Name =~ /@|\\/) {
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reject
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}
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}
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#
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# If you want the server to pretend that it is dead,
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# then use the "do_not_respond" policy.
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#
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do_not_respond {
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update control {
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Response-Packet-Type := Do-Not-Respond
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}
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handled
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}
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#
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# Force some sanity on User-Name. This helps to avoid issues
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# issues where the back-end database is "forgiving" about
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# what constitutes a user name.
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#
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filter_username {
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#
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# reject mixed case
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# e.g. "UseRNaMe"
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#
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if (User-Name != "%{tolower:%{User-Name}}") {
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reject
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}
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#
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# reject all whitespace
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# e.g. "user@ site.com", or "us er", or " user", or "user "
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#
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if (User-Name =~ / /) {
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update reply {
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Reply-Message += "Rejected: Username contains whitespace"
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}
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reject
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}
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#
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# reject Multiple @'s
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# e.g. "user@site.com@site.com"
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#
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if(User-Name =~ /@.*@/ ) {
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update reply {
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Reply-Message += "Rejected: Multiple @ in username"
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}
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reject
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}
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#
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# reject double dots
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# e.g. "user@site..com"
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#
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if (User-Name =~ /\\.\\./ ) {
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update reply {
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Reply-Message += "Rejected: Username comtains ..s"
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}
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reject
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}
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#
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# must have at least 1 string-dot-string after @
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# e.g. "user@site.com"
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#
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if (User-Name !~ /@(.+)\\.(.+)$/) {
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update reply {
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Reply-Message += "Rejected: Realm does not have at least one dot seperator"
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}
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reject
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}
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#
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# Realm ends with a dot
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# e.g. "user@site.com."
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#
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if (User-Name =~ /\\.$/) {
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update reply {
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Reply-Message += "Rejected: Realm ends with a dot"
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}
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reject
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}
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#
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# Realm begins with a dot
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# e.g. "user@.site.com"
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#
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if (User-Name =~ /@\\./) {
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update reply {
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Reply-Message += "Rejected: Realm begins with a dot"
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}
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reject
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}
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}
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#
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# The following policies are for the Chargeable-User-Identity
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# (CUI) configuration.
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#
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#
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# The client indicates it can do CUI by sending a CUI attribute
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# containing one zero byte
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#
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cui_authorize {
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update request {
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Chargeable-User-Identity:='\\000'
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}
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}
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#
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# Add a CUI attribute based on the User-Name, and a secret key
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# known only to this server.
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#
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cui_postauth {
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if (FreeRadius-Proxied-To == 127.0.0.1) {
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if (outer.request:Chargeable-User-Identity) {
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update outer.reply {
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Chargeable-User-Identity:="%{md5:%{config:cui_hash_key}%{User-Name}}"
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}
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}
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}
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else {
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if (Chargeable-User-Identity) {
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update reply {
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Chargeable-User-Identity="%{md5:%{config:cui_hash_key}%{User-Name}}"
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}
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}
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}
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}
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#
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# If there is a CUI attribute in the reply, add it to the DB.
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#
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cui_updatedb {
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if (reply:Chargeable-User-Identity) {
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cui
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}
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}
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#
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# If we had stored a CUI for the User, add it to the request.
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#
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cui_accounting {
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#
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# If the CUI isn't in the packet, see if we can find it
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# in the DB.
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#
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if (!Chargeable-User-Identity) {
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update request {
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Chargeable-User-Identity := "%{cui: SELECT cui FROM cui WHERE clientipaddress = '%{Client-IP-Address}' AND callingstationid = '%{Calling-Station-Id}' AND username = '%{User-Name}'}"
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}
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}
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#
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# If it exists now, then write out when we last saw
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# this CUI.
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#
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if (Chargeable-User-Identity && (Chargeable-User-Identity != "")) {
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cui
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}
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}
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#
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# Normalize the MAC Addresses in the Calling/Called-Station-Id
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#
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mac-addr = ([0-9a-f]{2})[^0-9a-f]?([0-9a-f]{2})[^0-9a-f]?([0-9a-f]{2})[^0-9a-f]?([0-9a-f]{2})[^0-9a-f]?([0-9a-f]{2})[^0-9a-f]?([0-9a-f]{2})
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# Add "rewrite.called_station_id" in the "authorize" and "preacct"
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# sections.
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rewrite.called_station_id {
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if((Called-Station-Id) && "%{Called-Station-Id}" =~ /^%{config:policy.mac-addr}(:(.+))?$/i) {
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update request {
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Called-Station-Id := "%{tolower:%{1}-%{2}-%{3}-%{4}-%{5}-%{6}}"
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}
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# SSID component?
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if ("%{8}") {
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update request {
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Called-Station-Id := "%{Called-Station-Id}:%{8}"
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}
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}
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updated
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}
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else {
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noop
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}
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}
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# Add "rewrite.calling_station_id" in the "authorize" and "preacct"
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# sections.
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rewrite.calling_station_id {
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if((Calling-Station-Id) && "%{Calling-Station-Id}" =~ /^%{config:policy.mac-addr}$/i) {
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update request {
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Calling-Station-Id := "%{tolower:%{1}-%{2}-%{3}-%{4}-%{5}-%{6}}"
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}
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updated
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}
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else {
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noop
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}
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}
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# Assign compatibility data to request for sqlippool
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dhcp_sqlippool.post-auth {
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# Do some minor hacks to the request so that it looks
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# like a RADIUS request to the SQL IP Pool module.
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update request {
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User-Name = "DHCP-%{DHCP-Client-Hardware-Address}"
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Calling-Station-Id = "%{DHCP-Client-Hardware-Address}"
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NAS-IP-Address = "%{%{DHCP-Gateway-IP-Address}:-127.0.0.1}"
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Acct-Status-Type = Start
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}
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# Call the actual module
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#
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# Uncomment this in order to really call it!
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# dhcp_sqlippool
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fail
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# Convert Framed-IP-Address to DHCP, but only if we
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# actually allocated an address.
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if (ok) {
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update reply {
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DHCP-Your-IP-Address = "%{reply:Framed-IP-Address}"
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}
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}
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}
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}
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