101 lines
2.7 KiB
Plaintext
101 lines
2.7 KiB
Plaintext
function is_dn42_network() {
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return net ~ [
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172.20.0.0/14{21,29}, # dn42
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172.20.0.0/24{28,32}, # dn42 Anycast
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172.21.0.0/24{28,32}, # dn42 Anycast
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172.22.0.0/24{28,32}, # dn42 Anycast
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172.23.0.0/24{28,32}, # dn42 Anycast
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172.31.0.0/16+, # ChaosVPN
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10.100.0.0/14+, # ChaosVPN
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10.0.0.0/8{15,24} # Freifunk.net
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];
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}
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function is_dn42_network_v6() {
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return net ~ [
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fd00::/8{44,64} # ULA address space as per RFC 4193
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];
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}
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roa4 table dn42_roa;
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roa6 table dn42_roa_v6;
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protocol static {
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roa4 { table dn42_roa; };
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include "/etc/bird/roa_dn42.conf";
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};
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protocol static {
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roa6 { table dn42_roa_v6; };
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include "/etc/bird/roa_dn42_v6.conf";
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};
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template bgp dnpeers {
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local as OWNAS;
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path metric 1;
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ipv4 {
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import filter {
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if is_dn42_network() && !is_self_net() then {
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if (roa_check(dn42_roa, net, bgp_path.last) != ROA_VALID) then {
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print "[dn42] ROA check failed for ", net, " ASN ", bgp_path.last;
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reject;
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} else accept;
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} else reject;
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};
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export filter { if is_dn42_network() then accept; else reject; };
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import limit 1000 action block;
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};
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ipv6 {
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import filter {
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if is_dn42_network_v6() && !is_self_net_v6() then {
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if (roa_check(dn42_roa_v6, net, bgp_path.last) != ROA_VALID) then {
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print "[dn42] ROA check failed for ", net, " ASN ", bgp_path.last;
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reject;
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} else accept;
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} else reject;
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};
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export filter { if is_dn42_network_v6() then accept; else reject; };
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import limit 1000 action block;
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};
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}
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template bgp dnpeers_4only {
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local as OWNAS;
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path metric 1;
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ipv4 {
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import filter {
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if is_dn42_network() && !is_self_net() then {
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if (roa_check(dn42_roa, net, bgp_path.last) != ROA_VALID) then {
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print "[dn42] ROA check failed for ", net, " ASN ", bgp_path.last;
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reject;
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} else accept;
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} else reject;
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};
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export filter { if is_dn42_network() then accept; else reject; };
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import limit 1000 action block;
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};
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}
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template bgp dnpeers_6only {
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local as OWNAS;
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path metric 1;
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ipv6 {
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import filter {
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if is_dn42_network_v6() && !is_self_net_v6() then {
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if (roa_check(dn42_roa_v6, net, bgp_path.last) != ROA_VALID) then {
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print "[dn42] ROA check failed for ", net, " ASN ", bgp_path.last;
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reject;
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} else accept;
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} else reject;
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};
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export filter { if is_dn42_network_v6() then accept; else reject; };
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import limit 1000 action block;
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};
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}
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