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Diffstat (limited to 'raddb/policy.d/moonshot-targeted-ids')
| -rw-r--r-- | raddb/policy.d/moonshot-targeted-ids | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/raddb/policy.d/moonshot-targeted-ids b/raddb/policy.d/moonshot-targeted-ids new file mode 100644 index 0000000..98ae4a1 --- /dev/null +++ b/raddb/policy.d/moonshot-targeted-ids @@ -0,0 +1,249 @@ +# +# The following policies generate targeted IDs for ABFAB (Moonshot) +# +# This policy requires that the UUID package is installed on your platform +# and that this is called from the inner-tunnel +# +# The following string attributes need to exist in the UKERNA dictionary +# Moonshot-Host-TargetedId (138) +# Moonshot-Realm-TargetedId (139) +# Moonshot-TR-COI-TargetedId (140) +# Moonshot-MSTID-GSS-Acceptor (141) +# Moonshot-MSTID-Namespace (142) +# Moonshot-MSTID-TargetedId (143) +# +# These attributes should also be listed in the attr_filter policies +# post-proxy and pre-proxy when you use attribute filtering: +# Moonshot-Host-TargetedId =* ANY, +# Moonshot-Realm-TargetedId =* ANY, +# Moonshot-TR-COI-TargetedId =* ANY, +# + +# +# targeted_id_salt definition +# This salt serves the purpose of protecting targeted IDs against +# dictionary attacks, therefore should be chosen as a "random" +# string and kept secret. +# +# If you use special characters %, { and }, escape them with a \ first +# +targeted_id_salt = 'changeme' + +# +# Moonshot namespaces +# These namespaces are used for UUID generation. +# They should not be changed by implementors +# +moonshot_host_namespace = 'a574a04e-b7ff-4850-aa24-a8599c7de1c6' +moonshot_realm_namespace = 'dea5f26d-a013-4444-977d-d09fc990d2e6' +moonshot_coi_namespace = '145d7e7e-7d54-43ee-bbcb-3c6ad9428247' + + +# This policy generates a host-specific TargetedId +# +moonshot_host_tid.post-auth { + # retrieve or generate a UUID for Moonshot-Host-TargetedId + if (&outer.request:GSS-Acceptor-Host-Name) { + # prep some variables (used regardless of SQL backing or not!) + update control { + Moonshot-MSTID-GSS-Acceptor := "%{tolower:%{outer.request:GSS-Acceptor-Host-Name}}" + Moonshot-MSTID-Namespace := "${policy.moonshot_host_namespace}" + } + + # if you want to use SQL-based backing, remove the comment from + # this line. You also have to configure and enable the + # moonshot-targeted-ids sql module in mods-enabled. + # +# moonshot_get_targeted_id + + # generate a UUID for Moonshot-Host-TargetedId + if (!&control:Moonshot-MSTID-TargetedId) { + # generate the TID + moonshot_make_targeted_id + + # if you want to store your TargetedId in SQL-based backing, + # remove the comment from this line. You also have to configure + # and enable the moonshot-targeted-ids sql module in mods-enabled. + # +# moonshot_tid_sql + } + + # set the actual TargetedId in the session-state list + if (&control:Moonshot-MSTID-TargetedId) { + update outer.session-state { + Moonshot-Host-TargetedId := &control:Moonshot-MSTID-TargetedId + } + update control { + Moonshot-MSTID-TargetedId !* ANY + } + } + + # Sanitise the control list to remove the internal attributes + update control { + Moonshot-MSTID-GSS-Acceptor !* ANY + Moonshot-MSTID-Namespace !* ANY + } + } +} + +# This policy generates a realm-specific TargetedId +# +moonshot_realm_tid.post-auth { + # retrieve or generate a UUID for Moonshot-Realm-TargetedId + if (&outer.request:GSS-Acceptor-Realm-Name) { + # prep some variables (used regardless of SQL backing or not!) + update control { + Moonshot-MSTID-GSS-Acceptor := "%{tolower:%{outer.request:GSS-Acceptor-Realm-Name}}" + Moonshot-MSTID-Namespace := "${policy.moonshot_realm_namespace}" + } + + # if you want to use SQL-based backing, remove the comment from + # this line. You also have to configure and enable the + # moonshot-targeted-ids sql module in mods-enabled. + # +# moonshot_get_targeted_id + + # generate a UUID for Moonshot-Realm-TargetedId + if (!&control:Moonshot-MSTID-TargetedId) { + # generate the TID + moonshot_make_targeted_id + + # if you want to store your TargetedId in SQL-based backing, + # remove the comment from this line. You also have to configure + # and enable the moonshot-targeted-ids sql module in mods-enabled. + # +# moonshot_tid_sql + } + + # set the actual TargetedId in the session-state list + if (&control:Moonshot-MSTID-TargetedId) { + update outer.session-state { + Moonshot-Realm-TargetedId := &control:Moonshot-MSTID-TargetedId + } + update control { + Moonshot-MSTID-TargetedId !* ANY + } + } + + # Sanitise the control list to remove the internal attributes + update control { + Moonshot-MSTID-GSS-Acceptor !* ANY + Moonshot-MSTID-Namespace !* ANY + } + } +} + +# This policy generates a COI-specific targeted ID +# +moonshot_coi_tid.post-auth { + # retrieve or generate a UUID for Moonshot-TR-COI-TargetedId + if (&outer.request:Trust-Router-COI) { + # prep some variables (used regardless of SQL backing or not!) + update control { + Moonshot-MSTID-GSS-Acceptor := "%{tolower:%{outer.request:Trust-Router-COI}}" + Moonshot-MSTID-Namespace := "${policy.moonshot_coi_namespace}" + } + + # if you want to use SQL-based backing, remove the comment from + # this line. You also have to configure and enable the + # moonshot-targeted-ids sql module in mods-enabled. + # +# moonshot_get_targeted_id + + # generate a UUID for Moonshot-TR-COI-TargetedId + if (!&control:Moonshot-MSTID-TargetedId) { + # generate the TID + moonshot_make_targeted_id + + # if you want to store your TargetedId in SQL-based backing, + # remove the comment from this line. You also have to configure + # and enable the moonshot-targeted-ids sql module in mods-enabled. + # +# moonshot_tid_sql + } + + # set the actual TargetedId in the session-state list + if (&control:Moonshot-MSTID-TargetedId) { + update outer.session-state { + Moonshot-TR-COI-TargetedId := &control:Moonshot-MSTID-TargetedId + } + update control { + Moonshot-MSTID-TargetedId !* ANY + } + } + + # Sanitise the control list to remove the internal attributes + update control { + Moonshot-MSTID-GSS-Acceptor !* ANY + Moonshot-MSTID-Namespace !* ANY + } + } +} + +# This is the generic generation policy. It requires moonshot_host_tid, moonshot_realm_tid, or moonshot_coi_tid to set variables +# +moonshot_make_targeted_id.post-auth { + # uses variables set in the control list + # + if (&control:Moonshot-MSTID-Namespace && &control:Moonshot-MSTID-GSS-Acceptor) { + # targeted id = (uuid -v 5 [namespace] [username][salt][GSS acceptor value])@[IdP realm name] + # + if ("%{echo:/usr/bin/uuid -v 5 %{control:Moonshot-MSTID-Namespace} %{tolower:%{User-Name}}${policy.targeted_id_salt}%{control:Moonshot-MSTID-GSS-Acceptor}}" =~ /^([^ ]+)([ ]*)$/) { + update control { + Moonshot-MSTID-TargetedId := "%{1}@%{tolower:%{request:Realm}}" + } + if (&control:Moonshot-MSTID-TargetedId =~ /([\%\{\}]+)/) { + update control { + Moonshot-MSTID-TargetedId !* ANY + } + update outer.session-state { + Module-Failure-Message = 'Invalid TargetedId generated, check your targeted_id_salt!' + } + reject + } + } + else { + # we simply return the 'echo' error message as the Module-Failure-Message, usually a lack of 'uuid' + reject + } + } + else { + # Our variables were not set, so we'll throw an error because there's no point in continuing! + update outer.session-state { + Module-Failure-Message = 'Required variables for moonshot_make_targeted_id not set!' + } + reject + } +} + +# This is the generic retrieval policy. It requires moonshot_host_tid, moonshot_realm_tid, or moonshot_coi_tid to set variables +# +moonshot_get_targeted_id.post-auth { + # uses variables set in the control list + # + if (&control:Moonshot-MSTID-Namespace && &control:Moonshot-MSTID-GSS-Acceptor) { + # retrieve the TargetedId + # + update control { + Moonshot-MSTID-TargetedId := "%{moonshot_tid_sql:\ + SELECT targeted_id FROM moonshot_targeted_ids \ + WHERE gss_acceptor = '%{control:Moonshot-MSTID-GSS-Acceptor}' \ + AND namespace = '%{control:Moonshot-MSTID-Namespace}' \ + AND username = '%{tolower:%{User-Name}}'}" + } + + # if the value is empty, there's no point in setting it and delete it from the control list! + if (&control:Moonshot-MSTID-TargetedId == '') { + update control { + Moonshot-MSTID-TargetedId !* ANY + } + } + } + else { + # Our variables were not set, so we'll throw an error because there's no point in continuing! + update outer.session-state { + Module-Failure-Message = 'Required variables for moonshot_get_targeted_id not set!' + } + reject + } +} |