diff --git a/nixos/boxes/colony/vms/estuary/default.nix b/nixos/boxes/colony/vms/estuary/default.nix index 6bb258d..8168dcd 100644 --- a/nixos/boxes/colony/vms/estuary/default.nix +++ b/nixos/boxes/colony/vms/estuary/default.nix @@ -11,6 +11,7 @@ ipv4 = { address = "80.111.124.10"; gateway = null; + genPTR = false; }; ipv6 = { address = "2a0e:97c0:4d0:bbbf::1"; diff --git a/nixos/boxes/colony/vms/estuary/dns.nix b/nixos/boxes/colony/vms/estuary/dns.nix index e3b2cba..146e2c9 100644 --- a/nixos/boxes/colony/vms/estuary/dns.nix +++ b/nixos/boxes/colony/vms/estuary/dns.nix @@ -1,7 +1,8 @@ { lib, pkgs, config, assignments, allAssignments, ... }: let - inherit (builtins) attrNames; - inherit (lib) concatStringsSep concatMapStringsSep mapAttrsToList filterAttrs genAttrs optional; + inherit (builtins) attrNames stringLength genList filter; + inherit (lib) + concatStrings concatStringsSep concatMapStringsSep mapAttrsToList filterAttrs genAttrs optional optionalString; ptrDots = 2; reverseZone = "100.10.in-addr.arpa"; @@ -49,6 +50,10 @@ in "0.0.0.0:5353" "[::]:5353" ]; also-notify = [ "127.0.0.1" ]; + enable-lua-records = true; + #loglevel = 7; + #log-dns-queries = true; + #log-dns-details = true; }; bind.zones = @@ -56,9 +61,10 @@ in genRecords = f: concatStringsSep "\n" - (mapAttrsToList - (_: as: f as.internal) - (filterAttrs (_: as: as ? "internal" && as.internal.visible) allAssignments)); + (filter (s: s != "") + (mapAttrsToList + (_: as: f as.internal) + (filterAttrs (_: as: as ? "internal" && as.internal.visible) allAssignments))); intRecords = genRecords (a: '' @@ -67,9 +73,42 @@ in ${concatMapStringsSep "\n" (alt: "${alt} IN CNAME ${a.name}") a.altNames} ''); intPtrRecords = - genRecords (a: ''@@PTR:${a.ipv4.address}:${toString ptrDots}@@ IN PTR ${a.name}.${config.networking.domain}.''); + genRecords + (a: + optionalString + a.ipv4.genPTR + ''@@PTR:${a.ipv4.address}:${toString ptrDots}@@ IN PTR ${a.name}.${config.networking.domain}.''); intPtr6Records = - genRecords (a: ''@@PTR:${a.ipv6.address}:${toString ptrDots6}@@ IN PTR ${a.name}.${config.networking.domain}.''); + genRecords + (a: + optionalString + a.ipv4.genPTR + ''@@PTR:${a.ipv6.address}:${toString ptrDots6}@@ IN PTR ${a.name}.${config.networking.domain}.''); + + wildcardPtrDef = ''IN LUA PTR "createReverse('ip-%3%-%4%.${config.networking.domain}')"''; + + reverse6Script = + let + len = toString (stringLength lib.my.colony.start.base.v6); + in + pkgs.writeText "reverse6.lua" '' + local root = newDN("ip6.arpa.") + local ptr = qname:makeRelative(root):toStringNoDot() + local nibbles = string.gsub(string.reverse(ptr), "%.", "") + + local ip6 = string.sub(nibbles, 1, 4) + for i = 1, 7 do + ip6 = ip6 .. ":" .. string.sub(nibbles, (i*4)+1, (i+1)*4) + end + + local addr = newCA(ip6) + return "ip6-" .. string.sub(string.gsub(addr:toString(), ":", "-"), ${len}) .. ".${config.networking.domain}." + ''; + wildcardPtr6Def = ''IN LUA PTR "dofile('${reverse6Script}')"''; + wildcardPtr6Zeroes = n: concatStrings (genList (_: "0.") n); + wildcardPtr6' = n: root: ''*.${wildcardPtr6Zeroes n}${root} ${wildcardPtr6Def}''; + wildcardPtr6 = n: root: concatStringsSep "\n" (genList (i: wildcardPtr6' i root) (n - 1)); + wildcardPtr6Z = wildcardPtr6 ptrDots6; in { "${config.networking.domain}" = { @@ -96,7 +135,7 @@ in type = "master"; text = '' $TTL 60 - @ IN SOA ns.${config.networking.domain}. dev.nul.ie ( + @ IN SOA ns.${config.networking.domain}. dev.nul.ie. ( @@SERIAL@@ ; serial 3h ; refresh 1h ; retry @@ -107,13 +146,19 @@ in @ IN NS ns.${config.networking.domain}. ${intPtrRecords} + + * ${wildcardPtrDef} + ; Have to add a specific wildcard for each of the explicitly set subnets... + *.0 ${wildcardPtrDef} + *.1 ${wildcardPtrDef} + *.2 ${wildcardPtrDef} ''; }; "${reverseZone6}" = { type = "master"; text = '' $TTL 60 - @ IN SOA ns.${config.networking.domain}. dev.nul.ie ( + @ IN SOA ns.${config.networking.domain}. dev.nul.ie. ( @@SERIAL@@ ; serial 3h ; refresh 1h ; retry @@ -124,6 +169,12 @@ in @ IN NS ns.${config.networking.domain}. ${intPtr6Records} + + * ${wildcardPtr6Def} + ; Have to add a specific wildard for each of the explicitly set subnets... this is disgusting for IPv6 + ${wildcardPtr6Z "0"} + ${wildcardPtr6Z "1"} + ${wildcardPtr6Z "2"} ''; }; }; diff --git a/nixos/default.nix b/nixos/default.nix index e64372c..53b3c96 100644 --- a/nixos/default.nix +++ b/nixos/default.nix @@ -98,12 +98,14 @@ let address = mkOpt' str null "IPv4 address."; mask = mkOpt' ints.u8 24 "Network mask."; gateway = mkOpt' (nullOr str) (naiveIPv4Gateway config.ipv4.address) "IPv4 gateway."; + genPTR = mkBoolOpt' true "Whether to generate a PTR record."; }; ipv6 = { address = mkOpt' str null "IPv6 address."; mask = mkOpt' ints.u8 64 "Network mask."; iid = mkOpt' (nullOr str) null "SLAAC static address."; gateway = mkOpt' (nullOr str) null "IPv6 gateway."; + genPTR = mkBoolOpt' true "Whether to generate a PTR record."; }; }; };