137 lines
3 KiB
Plaintext
137 lines
3 KiB
Plaintext
define AS = 4242421411;
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define IPv4 = 172.23.196.32;
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define IPv6 = fd42:deca:fbad::1;
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define NETv4 = 172.23.196.32/27;
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define NETv6 = fd42:deca:fbad::/48;
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define NETSETv4 = 172.23.196.32/27;
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define NETSETv6 = [fd42:deca:fbad::/48+];
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log "/var/log/bird.log" all;
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roa4 table dn42_roa;
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roa6 table dn42_roa_v6;
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function is_self_net() {
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return net ~ NETSETv4;
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}
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function is_valid_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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10.127.0.0/16{16,32}, # neonetwork
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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_self_net_v6() {
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return net ~ NETSETv6;
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}
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function is_valid_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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protocol device {
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scan time 10;
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}
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protocol kernel {
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scan time 20;
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ipv4 {
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import none;
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export filter {
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if source = RTS_STATIC then reject;
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krt_prefsrc = IPv4;
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accept;
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};
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};
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}
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protocol kernel {
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scan time 20;
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ipv6 {
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import none;
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export filter {
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if source = RTS_STATIC then reject;
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krt_prefsrc = IPv6;
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accept;
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};
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};
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};
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protocol static {
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roa4 { table dn42_roa; };
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include "/etc/bird/dn42_roa_bird2_4.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/dn42_roa_bird2_6.conf";
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};
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protocol static {
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ipv4;
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route 172.20.53.97/32 via "wg0";
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}
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protocol static {
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ipv6;
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route fd80::ade0/124 via "wg0";
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}
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protocol static {
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route NETv4 reject;
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ipv4 {
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import all;
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export none;
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};
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}
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protocol static {
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route NETv6 reject;
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ipv6 {
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import all;
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export none;
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};
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}
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template bgp dnpeers {
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local as AS;
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path metric 1;
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ipv4 {
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import filter {
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if is_valid_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_valid_network() && source ~ [RTS_STATIC, RTS_BGP] 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_valid_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_valid_network_v6() && source ~ [RTS_STATIC, RTS_BGP] 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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include "/etc/bird/peers/*";
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