mirror of
https://git.sr.ht/~magic_rb/dotfiles
synced 2024-11-30 12:06:13 +01:00
180 lines
8.1 KiB
Nix
180 lines
8.1 KiB
Nix
{ secret, inputs', pkgs, ... }:
|
|
{
|
|
networking.notnft.rules =
|
|
let
|
|
notnft = (inputs'.notnft.lib.${pkgs.stdenv.system});
|
|
logRule = with notnft.dsl; with payload; prefix:
|
|
[ (log { prefix = "${prefix} dropped: "; flags = (f: [ f.all ]); } ) ];
|
|
traceChain = with notnft.dsl; with payload;
|
|
add chain
|
|
[ (is.eq th.dport 53) (mangle meta.nftrace 1) ]
|
|
[ (is.eq th.dport 53) (mangle meta.nftrace 1) ]
|
|
[ (is.eq th.dport 22) (mangle meta.nftrace 1) ]
|
|
[ (is.eq th.sport 22) (mangle meta.nftrace 1) ]
|
|
[ (is.eq meta.oifname "mvm0") (mangle meta.nftrace 1) ]
|
|
[ (is.eq meta.iifname "mvm0") (mangle meta.nftrace 1) ];
|
|
in
|
|
# pkgs.writeText "nftables.json" (builtins.toJSON (with notnft.dsl; with payload; ruleset
|
|
with notnft.dsl; with payload; ruleset {
|
|
filter = add table { family = f: f.inet; } {
|
|
trace = traceChain;
|
|
|
|
### lo
|
|
input-lo = add chain
|
|
[ (is.ne ip.saddr (set [ "127.0.0.1" "127.0.0.53" ])) drop ]
|
|
[ (is.ne ip.daddr (set [ "127.0.0.1" "127.0.0.53" ])) drop ]
|
|
[ accept ];
|
|
|
|
output-lo = add chain
|
|
[ accept ];
|
|
###
|
|
|
|
### mvm
|
|
input-mvm = add chain
|
|
[ (is.eq ip.protocol (f: f.icmp)) accept ];
|
|
|
|
output-mvm = add chain
|
|
[ (is.eq ip.protocol (f: f.icmp)) (is.eq ip.saddr "10.80.1.1") (is.eq ip.daddr "10.80.1.2") accept ]
|
|
[ (is.eq ip.protocol (f: f.icmp)) (is.eq ip.saddr "10.80.1.2") (is.eq ip.daddr "10.80.1.1") accept ]
|
|
|
|
[ (is.eq ip.protocol (f: with f; set [ tcp ])) (is.eq th.dport 22) (is.eq ip.saddr "10.80.1.1") (is.eq ip.daddr "10.80.1.2") accept ]
|
|
[ (is.eq ip.protocol (f: with f; set [ tcp ])) (is.eq th.dport 80) (is.eq ip.saddr "10.80.1.1") (is.eq ip.daddr "10.80.1.2") accept ];
|
|
###
|
|
|
|
### wlan0
|
|
input-wlan0 = add chain
|
|
[ drop ];
|
|
|
|
output-wlan0 = add chain
|
|
[ (is.ne ip.daddr (secret.network.ips.blowhole.ip or "")) (is.eq ip.protocol (f: with f; set [ tcp udp ])) (is.eq th.dport 53) drop ]
|
|
[ accept ];
|
|
###
|
|
|
|
### wlan0
|
|
input-eth0 = add chain
|
|
[ drop ];
|
|
|
|
output-eth0 = add chain
|
|
[ (is.ne ip.daddr (secret.network.ips.blowhole.ip or "")) (is.eq ip.protocol (f: with f; set [ tcp udp ])) (is.eq th.dport 53) drop ]
|
|
[ accept ];
|
|
###
|
|
|
|
### wg0
|
|
input-wg0 = add chain
|
|
# accept syncthing sharing
|
|
[ (is.eq ip.protocol (f: f.udp)) (is.eq th.sport "22000") (is.eq th.dport "22000") accept ]
|
|
[ (is.eq ip.protocol (f: f.tcp)) (is.eq th.dport "22000") accept ]
|
|
|
|
[ (is.eq ip.protocol (f: f.icmp)) accept ];
|
|
|
|
output-wg0 = add chain
|
|
# TCP, UDP 53 to blowhole
|
|
[ (is.eq ip.protocol (f: with f; set [ udp tcp ])) (is.eq th.dport 53) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (secret.network.ips.blowhole.ip or "")) accept ]
|
|
|
|
# TCP 22, 80, 4646, 8200, 8500, 2049 to blowhole
|
|
[ (is.eq ip.protocol (f: with f; set [ tcp ])) (is.eq th.dport (set [ 22 80 4646 8200 8500 2049 ])) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (secret.network.ips.blowhole.ip or "")) accept ]
|
|
|
|
# TCP 22 toothpick
|
|
[ (is.eq ip.protocol (f: with f; set [ tcp ])) (is.eq th.dport (set [ 22 ])) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (secret.network.ips.toothpick or "")) accept ]
|
|
|
|
# TCP 22 altra
|
|
[ (is.eq ip.protocol (f: with f; set [ tcp ])) (is.eq th.dport (set [ 22 ])) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (secret.network.ips.altra.ip or "")) accept ]
|
|
|
|
# ICMP to blowhole, toothpick, altra
|
|
[ (is.eq ip.protocol (f: f.icmp)) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (set [ (secret.network.ips.toothpick or "") (secret.network.ips.altra.ip or "") (secret.network.ips.blowhole.ip or "") ])) accept ]
|
|
|
|
[ (is.eq ip.protocol (f: f.tcp)) (is.eq th.dport 8883) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (secret.network.ips.altra.ip or "")) accept ]
|
|
|
|
# accept syncthing sharing
|
|
[ (is.eq ip.protocol (f: f.udp)) (is.eq th.sport "22000") (is.eq th.dport "22000") accept ]
|
|
[ (is.eq ip.protocol (f: f.tcp)) (is.eq th.dport "22000") accept ]
|
|
;
|
|
###
|
|
|
|
input = add chain { type = f: f.filter; hook = f: f.input; prio = -300; policy = f: f.drop; }
|
|
# accept related, established and drop invalid
|
|
[ (vmap ct.state { established = accept; related = accept; invalid = drop; }) ]
|
|
# # accept icmp between the same IP
|
|
# [ (is.eq ip.protocol (f: f.icmp)) (is.eq ip.daddr ip.saddr) accept ]
|
|
[ (jump "trace") ]
|
|
|
|
[ (is.eq meta.iifname "wlan0") (jump "input-wlan0") ]
|
|
[ (is.eq meta.iifname "eth0") (jump "input-eth0") ]
|
|
[ (is.eq meta.iifname "mvm0") (jump "input-mvm") ]
|
|
[ (is.eq meta.iifname "lo") (jump "input-lo") ]
|
|
[ (is.eq meta.iifname "wg0") (jump "input-wg0") ]
|
|
|
|
[ (is.eq ip.protocol (f: f.icmp)) accept ]
|
|
(logRule "Input");
|
|
|
|
output = add chain { type = f: f.filter; hook = f: f.output; prio = -300; policy = f: f.drop; }
|
|
[ (jump "trace") ]
|
|
|
|
[ (is.eq meta.oifname "wlan0") (jump "output-wlan0") ]
|
|
[ (is.eq meta.oifname "eth0") (jump "output-eth0") ]
|
|
[ (is.eq meta.oifname "lo") (jump "output-lo") ]
|
|
[ (is.eq meta.oifname "mvm0") (jump "output-mvm") ]
|
|
[ (is.eq meta.oifname "wg0") (jump "output-wg0") ]
|
|
(logRule "Output");
|
|
|
|
forward = add chain { type = f: f.filter; hook = f: f.forward; prio = -300; policy = f: f.drop; }
|
|
[ (jump "trace") ]
|
|
# accept masquaraded packets incoming from wg0
|
|
[ (is.eq meta.iifname "wg0") (vmap ct.state { established = accept; related = accept; }) ]
|
|
# accept TCP, UDP 53 from 10.80.1.2 to blowhole
|
|
[ (is.eq meta.iifname "mvm0") (is.eq meta.oifname "wg0") (is.eq ip.protocol (f: with f; set [ tcp udp ])) (is.eq th.dport 53) (is.eq ip.saddr "10.80.1.2") (is.eq ip.daddr (secret.network.ips.blowhole.ip or "")) accept ]
|
|
(logRule "Forward");
|
|
|
|
prerouting = add chain { type = f: f.nat; hook = f: f.prerouting; prio = -199; policy = f: f.accept; }
|
|
;
|
|
|
|
postrouting = add chain { type = f: f.nat; hook = f: f.postrouting; prio = -199; policy = f: f.accept; }
|
|
# masquarade from 10.80.1.2 heading to wg0
|
|
[ (is.eq meta.iifname "mvm0") (is.eq meta.oifname "wg0") (is.eq ip.saddr (set [ "10.80.1.2" ])) masquerade ];
|
|
};
|
|
|
|
bridge-t = add table { family = f: f.bridge; } {
|
|
trace = traceChain;
|
|
|
|
input-body = add chain;
|
|
|
|
input = add chain { type = f: f.filter; hook = f: f.input; prio = -300; policy = f: f.drop; }
|
|
[ (jump "trace") ]
|
|
[ (vmap ct.state { established = accept; related = accept; invalid = drop; }) ]
|
|
|
|
[ (is.eq meta.protocol (f: f.arp)) accept ]
|
|
|
|
[ (jump "input-body") ]
|
|
|
|
(logRule "Bridge input");
|
|
|
|
output-body = add chain;
|
|
|
|
output = add chain { type = f: f.filter; hook = f: f.output; prio = -300; policy = f: f.drop; }
|
|
[ (jump "trace") ]
|
|
|
|
[ (is.eq ether.type (f: f.arp)) accept ]
|
|
|
|
[ (jump "output-body") ]
|
|
|
|
(logRule "Bridge output");
|
|
|
|
|
|
forward-body = add chain;
|
|
|
|
forward = add chain { type = f: f.filter; hook = f: f.forward; prio = -300; policy = f: f.drop; }
|
|
[ (jump "trace") ]
|
|
|
|
[ (jump "forward-body") ]
|
|
|
|
(logRule "Bridge forward");
|
|
|
|
prerouting = add chain { type = f: f.filter; hook = f: f.prerouting; prio = -300; policy = f: f.accept; }
|
|
;
|
|
|
|
postrouting = add chain { type = f: f.filter; hook = f: f.postrouting; prio = -300; policy = f: f.accept; }
|
|
;
|
|
};
|
|
};
|
|
}
|