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Diffstat (limited to '')
| -rw-r--r-- | raddb/sites-available/inner-tunnel | 438 |
1 files changed, 438 insertions, 0 deletions
diff --git a/raddb/sites-available/inner-tunnel b/raddb/sites-available/inner-tunnel new file mode 100644 index 0000000..10eeb55 --- /dev/null +++ b/raddb/sites-available/inner-tunnel @@ -0,0 +1,438 @@ +# -*- text -*- +###################################################################### +# +# This is a virtual server that handles *only* inner tunnel +# requests for EAP-TTLS and PEAP types. +# +# $Id$ +# +###################################################################### + +server inner-tunnel { + +# +# This next section is here to allow testing of the "inner-tunnel" +# authentication methods, independently from the "default" server. +# It is listening on "localhost", so that it can only be used from +# the same machine. +# +# $ radtest USER PASSWORD 127.0.0.1:18120 0 testing123 +# +# If it works, you have configured the inner tunnel correctly. To check +# if PEAP will work, use: +# +# $ radtest -t mschap USER PASSWORD 127.0.0.1:18120 0 testing123 +# +# If that works, PEAP should work. If that command doesn't work, then +# +# FIX THE INNER TUNNEL CONFIGURATION SO THAT IT WORKS. +# +# Do NOT do any PEAP tests. It won't help. Instead, concentrate +# on fixing the inner tunnel configuration. DO NOTHING ELSE. +# +listen { + ipaddr = 127.0.0.1 + port = 18120 + type = auth +} + + +# Authorization. First preprocess (hints and huntgroups files), +# then realms, and finally look in the "users" file. +# +# The order of the realm modules will determine the order that +# we try to find a matching realm. +# +# Make *sure* that 'preprocess' comes before any realm if you +# need to setup hints for the remote radius server +authorize { + # + # Take a User-Name, and perform some checks on it, for spaces and other + # invalid characters. If the User-Name appears invalid, reject the + # request. + # + # See policy.d/filter for the definition of the filter_username policy. + # + filter_username + + # + # Do checks on outer / inner User-Name, so that users + # can't spoof us by using incompatible identities + # +# filter_inner_identity + + # + # The chap module will set 'Auth-Type := CHAP' if we are + # handling a CHAP request and Auth-Type has not already been set + chap + + # + # If the users are logging in with an MS-CHAP-Challenge + # attribute for authentication, the mschap module will find + # the MS-CHAP-Challenge attribute, and add 'Auth-Type := MS-CHAP' + # to the request, which will cause the server to then use + # the mschap module for authentication. + mschap + + # + # Pull crypt'd passwords from /etc/passwd or /etc/shadow, + # using the system API's to get the password. If you want + # to read /etc/passwd or /etc/shadow directly, see the + # passwd module, above. + # +# unix + + # + # Look for IPASS style 'realm/', and if not found, look for + # '@realm', and decide whether or not to proxy, based on + # that. +# IPASS + + # + # Look for realms in user@domain format + # + # Note that proxying the inner tunnel authentication means + # that the user MAY use one identity in the outer session + # (e.g. "anonymous", and a different one here + # (e.g. "user@example.com"). The inner session will then be + # proxied elsewhere for authentication. If you are not + # careful, this means that the user can cause you to forward + # the authentication to another RADIUS server, and have the + # accounting logs *not* sent to the other server. This makes + # it difficult to bill people for their network activity. + # + suffix +# ntdomain + + # + # The "suffix" module takes care of stripping the domain + # (e.g. "@example.com") from the User-Name attribute, and the + # next few lines ensure that the request is not proxied. + # + # If you want the inner tunnel request to be proxied, delete + # the next few lines. + # + update control { + &Proxy-To-Realm := LOCAL + } + + # + # This module takes care of EAP-MSCHAPv2 authentication. + # + # It also sets the EAP-Type attribute in the request + # attribute list to the EAP type from the packet. + # + # The example below uses module failover to avoid querying all + # of the following modules if the EAP module returns "ok". + # Therefore, your LDAP and/or SQL servers will not be queried + # for the many packets that go back and forth to set up TTLS + # or PEAP. The load on those servers will therefore be reduced. + # + eap { + ok = return + } + + # + # Read the 'users' file + files + + # + # Look in an SQL database. The schema of the database + # is meant to mirror the "users" file. + # + # See "Authorization Queries" in `mods-config/sql/main/$driver/queries.conf` + -sql + + # + # If you are using /etc/smbpasswd, and are also doing + # mschap authentication, the un-comment this line, and + # enable the "smbpasswd" module. +# smbpasswd + + # + # The ldap module reads passwords from the LDAP database. + -ldap + + # + # Enforce daily limits on time spent logged in. +# daily + + expiration + logintime + + # + # If no other module has claimed responsibility for + # authentication, then try to use PAP. This allows the + # other modules listed above to add a "known good" password + # to the request, and to do nothing else. The PAP module + # will then see that password, and use it to do PAP + # authentication. + # + # This module should be listed last, so that the other modules + # get a chance to set Auth-Type for themselves. + # + pap +} + + +# Authentication. +# +# +# This section lists which modules are available for authentication. +# Note that it does NOT mean 'try each module in order'. It means +# that a module from the 'authorize' section adds a configuration +# attribute 'Auth-Type := FOO'. That authentication type is then +# used to pick the appropriate module from the list below. +# + +# In general, you SHOULD NOT set the Auth-Type attribute. The server +# will figure it out on its own, and will do the right thing. The +# most common side effect of erroneously setting the Auth-Type +# attribute is that one authentication method will work, but the +# others will not. +# +# The common reasons to set the Auth-Type attribute by hand +# is to either forcibly reject the user, or forcibly accept him. +# +authenticate { + # + # PAP authentication, when a back-end database listed + # in the 'authorize' section supplies a password. The + # password can be clear-text, or encrypted. + Auth-Type PAP { + pap + } + + # + # Most people want CHAP authentication + # A back-end database listed in the 'authorize' section + # MUST supply a CLEAR TEXT password. Encrypted passwords + # won't work. + Auth-Type CHAP { + chap + } + + # + # MSCHAP authentication. + Auth-Type MS-CHAP { + mschap + } + + # + # For old names, too. + # + mschap + + # + # Pluggable Authentication Modules. +# pam + + # Uncomment it if you want to use ldap for authentication + # + # Note that this means "check plain-text password against + # the ldap database", which means that EAP won't work, + # as it does not supply a plain-text password. + # + # We do NOT recommend using this. LDAP servers are databases. + # They are NOT authentication servers. FreeRADIUS is an + # authentication server, and knows what to do with authentication. + # LDAP servers do not. + # +# Auth-Type LDAP { +# ldap +# } + + # + # Allow EAP authentication. + eap +} + +###################################################################### +# +# There are no accounting requests inside of EAP-TTLS or PEAP +# tunnels. +# +###################################################################### + + +# Session database, used for checking Simultaneous-Use. Either the radutmp +# or rlm_sql module can handle this. +# The rlm_sql module is *much* faster +session { + radutmp + + # + # See "Simultaneous Use Checking Queries" in `mods-config/sql/main/$driver/queries.conf` +# sql +} + + +# Post-Authentication +# Once we KNOW that the user has been authenticated, there are +# additional steps we can take. +# +# Note that the last packet of the inner-tunnel authentication +# MAY NOT BE the last packet of the outer session. So updating +# the outer reply MIGHT work, and sometimes MIGHT NOT. The +# exact functionality depends on both the inner and outer +# authentication methods. +# +# If you need to send a reply attribute in the outer session, +# the ONLY safe way is to set "use_tunneled_reply = yes", and +# then update the inner-tunnel reply. +post-auth { + # If you want privacy to remain, see the + # Chargeable-User-Identity attribute from RFC 4372. + # If you want to use it just uncomment the line below. +# cui-inner + + # + # If you want the Access-Accept to contain the inner + # User-Name, uncomment the following lines. + # +# update outer.session-state { +# User-Name := &User-Name +# } + + # + # If you want to have a log of authentication replies, + # un-comment the following line, and enable the + # 'detail reply_log' module. +# reply_log + + # + # After authenticating the user, do another SQL query. + # + # See "Authentication Logging Queries" in `mods-config/sql/main/$driver/queries.conf` + -sql + + # + # Un-comment the following if you have set + # 'edir = yes' in the ldap module sub-section of + # the 'modules' section. + # +# ldap + + + # + # Un-comment the following if you want to generate Moonshot (ABFAB) TargetedIds + # + # IMPORTANT: This requires the UUID package to be installed, and a targeted_id_salt + # to be configured. + # + # This functionality also supports SQL backing. To use this functionality, enable + # and configure the moonshot-targeted-ids SQL module in the mods-enabled directory. + # Then remove the comments from the appropriate lines in each of the below + # policies in the policy.d/moonshot-targeted-ids file. + # +# moonshot_host_tid +# moonshot_realm_tid +# moonshot_coi_tid + + # + # Instead of "use_tunneled_reply", change this "if (0)" to an + # "if (1)". + # + if (0) { + # + # These attributes are for the inner-tunnel only, + # and MUST NOT be copied to the outer reply. + # + update reply { + User-Name !* ANY + Message-Authenticator !* ANY + EAP-Message !* ANY + Proxy-State !* ANY + MS-MPPE-Encryption-Types !* ANY + MS-MPPE-Encryption-Policy !* ANY + MS-MPPE-Send-Key !* ANY + MS-MPPE-Recv-Key !* ANY + } + + # + # Copy the inner reply attributes to the outer + # session-state list. The post-auth policy will take + # care of copying the outer session-state list to the + # outer reply. + # + update { + &outer.session-state: += &reply: + } + } + + # + # Access-Reject packets are sent through the REJECT sub-section of the + # post-auth section. + # + # Add the ldap module name (or instance) if you have set + # 'edir = yes' in the ldap module configuration + # + Post-Auth-Type REJECT { + # log failed authentications in SQL, too. + -sql + attr_filter.access_reject + + # + # Let the outer session know which module failed, and why. + # + update outer.session-state { + &Module-Failure-Message := &request:Module-Failure-Message + } + } +} + +# +# When the server decides to proxy a request to a home server, +# the proxied request is first passed through the pre-proxy +# stage. This stage can re-write the request, or decide to +# cancel the proxy. +# +# Only a few modules currently have this method. +# +pre-proxy { + # Uncomment the following line if you want to change attributes + # as defined in the preproxy_users file. +# files + + # Uncomment the following line if you want to filter requests + # sent to remote servers based on the rules defined in the + # 'attrs.pre-proxy' file. +# attr_filter.pre-proxy + + # If you want to have a log of packets proxied to a home + # server, un-comment the following line, and the + # 'detail pre_proxy_log' section, above. +# pre_proxy_log +} + +# +# When the server receives a reply to a request it proxied +# to a home server, the request may be massaged here, in the +# post-proxy stage. +# +post-proxy { + + # If you want to have a log of replies from a home server, + # un-comment the following line, and the 'detail post_proxy_log' + # section, above. +# post_proxy_log + + # Uncomment the following line if you want to filter replies from + # remote proxies based on the rules defined in the 'attrs' file. +# attr_filter.post-proxy + + # + # If you are proxying LEAP, you MUST configure the EAP + # module, and you MUST list it here, in the post-proxy + # stage. + # + # You MUST also use the 'nostrip' option in the 'realm' + # configuration. Otherwise, the User-Name attribute + # in the proxied request will not match the user name + # hidden inside of the EAP packet, and the end server will + # reject the EAP request. + # + eap +} + +} # inner-tunnel server block |