From 3dc4d23ab478dcedb44021ecf5c8d4e5b1c32def Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Wed, 27 Apr 2016 11:39:56 +0200
Subject: first shot at uucp

---
 custom/uucp.nix | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 ymir.nix        |  20 +++++++++++
 2 files changed, 124 insertions(+)
 create mode 100644 custom/uucp.nix

diff --git a/custom/uucp.nix b/custom/uucp.nix
new file mode 100644
index 00000000..0b199776
--- /dev/null
+++ b/custom/uucp.nix
@@ -0,0 +1,104 @@
+{ config, lib, pkgs, ... }:
+
+rec {
+  options = {
+    services.uucp = {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          If enabled we set up an account accesible via uucp over ssh
+        '';
+      };
+
+      sshUser = mkOption { 
+        type = types.unspecified;
+        default = {
+          name = "uucp";
+          isSystemUser = true;
+          isNormalUser = false;
+          createHome = true;
+          home = "/var/spool/uucp";
+          description = "User for uucp over ssh";
+        };
+        description = "The local uucp linux-user";
+      };
+
+      sshConfig = mkOption {
+        type = types.str;
+        description = "~uucp/.ssh/config";
+      };
+
+      remoteNodes = mkOption {
+        types = types.listOf types.str;
+        default = [];
+        description = "List of ports to set up. You will probably need to configure these in sshConfig";
+      };
+
+      spoolDir = mkOption {
+        types = types.path;
+        default = "/var/spool/uucp";
+        description = "Spool directory";
+      };
+
+      lockDir = mkOption {
+        types = types.path;
+        default = "/var/spool/uucp";
+        description = "Lock directory";
+      };
+
+      pubDir = mkOption {
+        types = types.path;
+        default = "/var/spool/uucppublic";
+        description = "Public directory";
+      };
+
+      logFile = mkOption {
+        types = types.path;
+        default = "/var/log/uucp";
+        description = "Log file";
+      };
+
+      statFile = mkOption {
+        types = types.path;
+        default = "/var/log/uucp.stat";
+        description = "Statistics file";
+      };
+
+      debugFile = mkOption {
+        types = types.path;
+        default = "/var/log/uucp.debug";
+        description = "Debug file";
+      };
+
+      extraConfig = mkOption {
+        type = types.string;
+        default = "";
+        description = "Extra configuration to append verbatim to `/etc/uucp/config'";
+      };
+    };
+  };
+
+  config = {
+    environment.etc."uucp/config" = {
+      enable = config.services.uucp.enable;
+      text = ''
+        spool ${config.services.uucp.spoolDir}
+        lockdir ${config.services.uucp.lockDir}
+        pubdir ${config.services.uucp.pubDir}
+        logfile ${config.services.uucp.logFile}
+        statfile ${config.services.uucp.statFile}
+        debugfile ${config.services.uucp.debugFile}
+        
+        ${config.services.uucp.extraConfig}
+      '';
+    };
+
+    users.users."uucp" = optional config.services.uucp.enable config.services.uucp.sshUser;
+
+    system.activationScripts."uucp-sshconfig" = optional config.services.uucp.enable ''
+      mkdir -p ${users.users."uucp".home}/.ssh
+      cp ${builtins.toFile "ssh-config" config.services.uucp.sshConfig} ${users.users."uucp".home}/.ssh/config
+    '';
+  };
+}
diff --git a/ymir.nix b/ymir.nix
index 8a17cfe4..7895a859 100644
--- a/ymir.nix
+++ b/ymir.nix
@@ -21,6 +21,7 @@ in rec {
       ./users.nix
       ./custom/tinc/def.nix
       ./custom/ymir-nginx.nix
+      ./custom/uucp.nix
     ];
 
   boot.loader.grub = {
@@ -85,6 +86,7 @@ in rec {
     rsync
     tmux
     zsh
+    uucp
   ];
 
   networking = {
@@ -315,7 +317,21 @@ in rec {
       #enable TLS logging to see the ciphers for outbound connections
       smtp_tls_loglevel = 1
     '';
+    extraMasterConf = ''
+      uucp unix - n n - - pipe flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
+    '';
+  };
+  users.extraUsers."uucp" = {
+    createHome = true;
+    home = "/var/spool/uucp";
+    isSystemUser = true;
+    isNormalUser = false;
+    openssh.authorizedKeys.keyFiles = [
+      users/keys/gkleen-skadhi.pub
+      users/keys/gkleen-vali.pub
+    ];
   };
+  environment.etc."/etc/uucp/call"
 
   security.acme = {
     certs = {
@@ -333,4 +349,8 @@ in rec {
       };
     };
   };
+
+  services.uucp = {
+    enable = true;
+  };
 }
-- 
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