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-rw-r--r--roles/uvok_bird/files/clear_filters.conf29
-rw-r--r--roles/uvok_bird/templates/clear_defines.conf.j21
2 files changed, 26 insertions, 4 deletions
diff --git a/roles/uvok_bird/files/clear_filters.conf b/roles/uvok_bird/files/clear_filters.conf
index bb01b4c..303ea91 100644
--- a/roles/uvok_bird/files/clear_filters.conf
+++ b/roles/uvok_bird/files/clear_filters.conf
@@ -128,12 +128,33 @@ function reject_roa_rpki()
}
}
-function prefer_direct_neighbor()
+# take the set of allowed ASes (as first AS), according to IRR
+# adds filter if first AS in BGP path is not in allowed list
+function reject_irr_invalid_as(int set irr_ases)
{
- if (bgp_path.len = 1) then
- bgp_local_pref = bgp_local_pref + 700;
+ if (bgp_path.first !~ irr_ases) then {
+ print "Reject: Not in IRR AS list: ", net, " ", bgp_path;
+ clearnet_add_filter(FILTER_IRR);
+ }
+}
+
+# take the set of allowed prefixes (prefix set), according to IRR
+# adds filter if net is not in allowed list
+function reject_irr_invalid_net(prefix set irr_prefixes)
+{
+ if (net !~ irr_prefixes) then {
+ print "Reject: Not in IRR AS list: ", net, " ", bgp_path;
+ clearnet_add_filter(FILTER_IRR);
+ }
}
+# ... what did I think? Shortest AS path wins anyway.
+# function prefer_direct_neighbor()
+# {
+# if (bgp_path.len = 1) then
+# bgp_local_pref = bgp_local_pref + 700;
+# }
+
function clearnet_common_import() {
reject_bogon_asns();
@@ -142,7 +163,7 @@ function clearnet_common_import() {
reject_small_prefixes();
reject_problem_prefixes();
reject_roa_rpki();
- prefer_direct_neighbor();
+ #prefer_direct_neighbor();
honor_graceful_shutdown();
}
diff --git a/roles/uvok_bird/templates/clear_defines.conf.j2 b/roles/uvok_bird/templates/clear_defines.conf.j2
index 40b6bca..15e67cf 100644
--- a/roles/uvok_bird/templates/clear_defines.conf.j2
+++ b/roles/uvok_bird/templates/clear_defines.conf.j2
@@ -24,3 +24,4 @@ define FILTER_PROBLEM_PREFIX = 202;
define FILTER_LONG_ASPATH = 203;
define FILTER_SMALL_V6_PREFIX = 204;
define FILTER_ROA_RPKI = 205;
+define FILTER_IRR = 206;