4 files changed, 111 insertions, 25 deletions
diff --git a/tv/1systems/nomic/config.nix b/tv/1systems/nomic/config.nix
index a89f07e8a..86f9b7ec2 100644
--- a/tv/1systems/nomic/config.nix
+++ b/tv/1systems/nomic/config.nix
@@ -8,7 +8,6 @@ with import <stockholm/lib>;
     <stockholm/tv/2configs/hw/x220.nix>
     <stockholm/tv/2configs/exim-retiolum.nix>
     <stockholm/tv/2configs/gitrepos.nix>
-    <stockholm/tv/2configs/im.nix>
     <stockholm/tv/2configs/mail-client.nix>
     <stockholm/tv/2configs/nginx/public_html.nix>
     <stockholm/tv/2configs/pulse.nix>
diff --git a/tv/2configs/im.nix b/tv/2configs/im.nix
deleted file mode 100644
index 82f1be042..000000000
--- a/tv/2configs/im.nix
+++ /dev/null
@@ -1,24 +0,0 @@
-{ config, lib, pkgs, ... }:
-with import <stockholm/lib>;
-{
-  environment.systemPackages = with pkgs; [
-    (pkgs.writeDashBin "im" ''
-      export PATH=${makeSearchPath "bin" (with pkgs; [
-        tmux
-        gnugrep
-        weechat
-      ])}
-      if tmux list-sessions -F\#S | grep -q '^im''$'; then
-        exec tmux attach -t im
-      else
-        exec tmux new -s im weechat
-      fi
-    '')
-  ];
-  services.bitlbee = {
-    enable = true;
-    plugins = [
-      pkgs.bitlbee-facebook
-    ];
-  };
-}
diff --git a/tv/3modules/default.nix b/tv/3modules/default.nix
index db2cdcd1f..5be1beef8 100644
--- a/tv/3modules/default.nix
+++ b/tv/3modules/default.nix
@@ -5,6 +5,7 @@
     ./ejabberd
     ./focus.nix
     ./hosts.nix
+    ./im.nix
     ./iptables.nix
     ./slock.nix
     ./x0vncserver.nix
diff --git a/tv/3modules/im.nix b/tv/3modules/im.nix
new file mode 100644
index 000000000..8cb137510
--- /dev/null
+++ b/tv/3modules/im.nix
@@ -0,0 +1,110 @@
+{ config, pkgs, ... }: let
+  im = config.tv.im;
+  lib = import <stockholm/lib>;
+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 = lib.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 = lib.types.host;
+    };
+    tv.im.client.user = lib.mkOption {
+      default = config.krebs.users.tv;
+      type = lib.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 = lib.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 = lib.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
+          ]}
+          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"
+      ];
+    })
+  ];
+}