i2pd: added package, service

1 files changed, 198 insertions, 0 deletions

diff --git a/nixos/modules/services/networking/i2pd.nix b/nixos/modules/services/networking/i2pd.nix
new file mode 100644
index 00000000000..d0127fd3f75
--- /dev/null
+++ b/nixos/modules/services/networking/i2pd.nix
@@ -0,0 +1,198 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.i2pd;
+
+  homeDir = "/var/lib/i2pd";
+
+  extip = "EXTIP=$(${pkgs.curl}/bin/curl -sf "http://jsonip.com" | ${pkgs.gawk}/bin/awk -F'\"' '{print $4}')";
+
+  i2pSh = pkgs.writeScriptBin "i2pd" ''
+    #!/bin/sh
+    ${if isNull cfg.extIp then extip else ""}
+    ${pkgs.i2pd}/bin/i2p --log=1 --daemon=0 --service=0 \
+      --v6=${if cfg.enableIPv6 then "1" else "0"} \
+      --unreachable=${if cfg.unreachable then "1" else "0"} \
+      --host=${if isNull cfg.extIp then "$EXTIP" else cfg.extIp} \
+      ${if isNull cfg.port then "" else "--port=${toString cfg.port}"} \
+      --httpproxyport=${toString cfg.proxy.httpPort} \
+      --socksproxyport=${toString cfg.proxy.socksPort} \
+      --ircport=${toString cfg.irc.port} \
+      --ircdest=${cfg.irc.dest} \
+      --irckeys=${cfg.irc.keyFile} \
+      --eepport=${toString cfg.eep.port} \
+      ${if isNull cfg.sam.port then "" else "--samport=${toString cfg.sam.port}"} \
+      --eephost=${cfg.eep.host} \
+      --eepkeys=${cfg.eep.keyFile}
+  '';
+
+in
+
+{
+
+  ###### interface
+
+  options = {
+
+    services.i2pd = {
+
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Enables I2Pd as a running service upon activation.
+        '';
+      };
+
+      extIp = mkOption {
+        type = with types; nullOr str;
+        default = null;
+        description = ''
+          Your external IP.
+        '';
+      };
+
+      unreachable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          If the router is declared to be unreachable and needs introduction nodes.
+        '';
+      };
+
+      port = mkOption {
+        type = with types; nullOr int;
+        default = null;
+        description = ''
+          I2P listen port. If no one is given the router will pick between 9111 and 30777.
+        '';
+      };
+
+      enableIPv6 = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Enables IPv6 connectivity. Disabled by default.
+        '';
+      };
+
+      http = {
+        port = mkOption {
+          type = types.int;
+          default = 7070;
+          description = ''
+            HTTP listen port.
+          '';
+        };
+      };
+
+      proxy = {
+        httpPort = mkOption {
+          type = types.int;
+          default = 4446;
+          description = ''
+            HTTP proxy listen port.
+          '';
+        };
+        socksPort = mkOption {
+          type = types.int;
+          default = 4447;
+          description = ''
+            SOCKS proxy listen port.
+          '';
+        };
+      };
+
+      irc = {
+        dest = mkOption {
+          type = types.str;
+          default = "irc.postman.i2p";
+          description = ''
+            Destination I2P tunnel endpoint address of IRC server. irc.postman.i2p by default.
+          '';
+        };
+        port = mkOption {
+          type = types.int;
+          default = 6668;
+          description = ''
+            Local IRC tunnel endoint port to listen on. 6668 by default.
+          '';
+        };
+        keyFile = mkOption {
+          type = types.str;
+          default = "privKeys.dat";
+          description = ''
+            File name containing destination keys. privKeys.dat by default.
+          '';
+        };
+      };
+
+      eep = {
+        host = mkOption {
+          type = types.str;
+          default = "127.0.0.1";
+          description = ''
+            Address to forward incoming traffic to. 127.0.0.1 by default.
+          '';
+        };
+        port = mkOption {
+          type = types.int;
+          default = 80;
+          description = ''
+            Port to forward incoming trafic to. 80 by default.
+          '';
+        };
+        keyFile = mkOption {
+          type = types.str;
+          default = "privKeys.dat";
+          description = ''
+            File name containing destination keys. privKeys.dat by default.
+          '';
+        };
+      };
+
+      sam = {
+        port = mkOption {
+          type = with types; nullOr int;
+          default = null;
+          description = ''
+            Local SAM tunnel endpoint. Usually 7656. SAM is disabled if not specified.
+          '';
+        };
+      };
+    };
+  };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    users.extraUsers.i2pd = {
+      group = "i2pd";
+      description = "I2Pd User";
+      home = homeDir;
+      createHome = true;
+      uid = config.ids.uids.i2pd;
+    };
+
+    users.extraGroups.i2pd.gid = config.ids.gids.i2pd;
+
+    systemd.services.i2pd = {
+      description = "Minimal I2P router";
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig =
+      {
+        User = "i2pd";
+        WorkingDirectory = homeDir;
+        Restart = "on-abort";
+        ExecStart = "${i2pSh}/bin/i2pd";
+      };
+    };
+  };
+}
+#
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