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61 lines
2.4 KiB
Nix
61 lines
2.4 KiB
Nix
1 year ago
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{lib}: wirenix-config:
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let
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# Math
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inList = elem: list: builtins.any (e: e == elem) list;
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# IP
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add-colons = string:
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if ((builtins.stringLength string) > 4)
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then
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((builtins.substring 0 4 string) + ":" + (add-colons (builtins.substring 4 32 string)))
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else string;
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# Peer Information
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peerInfo = {
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peerSuffix = peerName: builtins.substring 0 20 (builtins.hashString "sha256" peerName);
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peerSubnets = peer: builtins.filter (subnet: inList subnet.name peer.subnets) wirenix-config.subnets;
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peerGroups = peer: builtins.catAttrs "group" peer.peers;
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directPeers = peer: builtins.catAttrs "peer" peer.peers;
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peerFromName = peerName: builtins.head (builtins.filter (peer: peer.name == peerName) wirenix-config.peers);
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peersInGroup = groupName: builtins.filter (peer: inList groupName peer.groups) wirenix-config.peers;
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peerPeersUnfiltered = peer: (builtins.map (peerInfo.peerFromName) (peerInfo.directPeers peer)) ++ (builtins.concatMap (group: peerInfo.peersInGroup group) (peerInfo.peerGroups peer));
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peerIP = subnetName: PeerName: (add-colons ((subnetInfo.subnetPrefix subnetName) + (peerInfo.peerSuffix PeerName))) + "/80";
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};
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# Subnet Information
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subnetInfo = {
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subnetPrefix = subnetName: "fd" + (builtins.substring 0 10 (builtins.hashString "sha256" subnetName));
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subnetPeers = subnet: builtins.filter (peer: inList subnet.name peer.subnets) wirenix-config.peers;
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};
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in
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{
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peer = peer:
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rec {
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subnets = peerInfo.peerSubnets peer;
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peers = lib.lists.remove peer (lib.lists.unique (peerInfo.peerPeersUnfiltered peer));
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ip = subnet: peerInfo.peerIP subnet.name peer.name;
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peersOnSubnet = subnet: builtins.filter (otherPeer: inList subnet.name otherPeer.subnets) peers;
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publicKey = peer.publicKey;
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privateKeyFile = peer.privateKeyFile;
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};
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subnet = subnet:
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{
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peers = subnetInfo.subnetPeers subnet;
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ip = (add-colons (subnetInfo.subnetPrefix subnet.name)) + "::/80";
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};
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}
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# subnets:
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# networkOne:
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# prefix: "auto" or "none" or canonicalized ipv6
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# ipv4: canonicalized ipv4 or "none"
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# ipv6: canonicalized ipv6 or "auto" or "none"
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# peers:
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# peerOne:
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# pubKey: "ABC..." Or "auto"
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# subnets:
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# networkOne:
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# - ipv4: ip
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# - ipv6: "auto" or "none" or ip
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# groups:
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# - "groupOne"
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# peers:
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# - peer: "peerTwo"
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# - group: "groupOne"
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