1 files changed, 109 insertions, 0 deletions
diff --git a/modules/im.nix b/modules/im.nix
new file mode 100644
index 0000000..d3c5158
--- /dev/null
+++ b/modules/im.nix
@@ -0,0 +1,109 @@
+{ config, lib, mylib, pkgs, ... }: let
+  im = config.tv.im;
+in {
+  options = {
+    tv.im.client.enable = lib.mkEnableOption "tv.im.client" // {
+      default = config.krebs.build.host.name == im.client.host.name;
+    };
+    tv.im.client.term = lib.mkOption {
+      default = "rxvt-unicode-256color";
+      type = mylib.types.filename;
+    };
+    tv.im.client.useIPv6 = lib.mkEnableOption "tv.im.client.useIPv6" // {
+      default = true;
+    };
+    tv.im.client.host = lib.mkOption {
+      default = config.krebs.hosts.xu;
+      type = mylib.types.host;
+    };
+    tv.im.client.user = lib.mkOption {
+      default = config.krebs.users.tv;
+      type = mylib.types.user;
+    };
+
+    tv.im.server.enable = lib.mkEnableOption "tv.im.server" // {
+      default = config.krebs.build.host.name == im.server.host.name;
+    };
+    tv.im.server.host = lib.mkOption {
+      default = config.krebs.hosts.nomic;
+      type = mylib.types.host;
+    };
+    tv.im.server.mosh.enable = lib.mkEnableOption "tv.im.server.mosh" // {
+      default = true;
+    };
+    tv.im.server.weechat.relay.enable =
+      lib.mkEnableOption "tv.im.server.weechat.relay";
+    tv.im.server.user = lib.mkOption {
+      default = config.krebs.users.tv;
+      type = mylib.types.user;
+    };
+  };
+  imports = [
+    (lib.mkIf im.client.enable {
+      users.users.${im.client.user.name}.packages = [
+        (pkgs.writeDashBin "im" ''
+          ${if im.server.mosh.enable then /* sh */ ''
+            exec ${pkgs.mosh}/bin/mosh \
+                ${lib.optionalString im.client.useIPv6 "-6"} \
+                ${im.server.user.name}@${lib.head im.server.host.nets.retiolum.aliases} \
+                env TERM=${im.client.term} im
+          '' else /* sh */ ''
+            exec ${pkgs.openssh}/bin/ssh \
+                ${lib.optionalString im.client.useIPv6 "-6"} \
+                ${im.server.user.name}@${lib.head im.server.host.nets.retiolum.aliases} \
+                -t \
+                im
+          ''}
+        '')
+      ];
+    })
+    (lib.mkIf im.server.enable {
+      services.bitlbee = {
+        enable = true;
+        plugins = [
+          pkgs.bitlbee-facebook
+        ];
+      };
+      users.users.${im.server.user.name}.packages = [
+        pkgs.mosh
+        (pkgs.writeDashBin "im" ''
+          export PATH=${lib.makeSearchPath "bin" [
+            pkgs.tmux
+            pkgs.gnugrep
+            pkgs.weechat-tv
+          ]}
+          if tmux list-sessions -F\#S | grep -q '^im''$'; then
+            exec tmux attach -t im
+          else
+            exec tmux new -s im weechat
+          fi
+        '')
+      ];
+    })
+    (lib.mkIf im.server.mosh.enable {
+      krebs.setuid.utempter = {
+        filename = "${pkgs.libutempter}/lib/utempter/utempter";
+        owner = "nobody";
+        group = "utmp";
+        mode = "2111";
+      };
+      tv.iptables.extra4.filter.Retiolum = [
+        "-s ${im.client.host.nets.retiolum.ip4.addr} -p udp --dport 60000:61000 -j ACCEPT"
+      ];
+      tv.iptables.extra6.filter.Retiolum = [
+        "-s ${im.client.host.nets.retiolum.ip6.addr} -p udp --dport 60000:61000 -j ACCEPT"
+      ];
+    })
+    (lib.mkIf im.server.weechat.relay.enable {
+      krebs.iana-etc.services = {
+        "9001".tcp.name = "weechat-ssl";
+      };
+      tv.iptables.extra4.filter.Retiolum = [
+        "-s ${im.client.host.nets.retiolum.ip4.addr} -p tcp -m tcp --dport 9001 -j ACCEPT"
+      ];
+      tv.iptables.extra6.filter.Retiolum = [
+        "-s ${im.client.host.nets.retiolum.ip6.addr} -p tcp -m tcp --dport 9001 -j ACCEPT"
+      ];
+    })
+  ];
+}