Merge remote-tracking branch 'cd/master'

Makefile

@@ -46,10 +46,12 @@ evaluate = \
 		--show-trace \
 		-I nixos-config=$(nixos-config) \
 		-I stockholm=$(stockholm) \
-		$(1)
+		-E '{ eval, f }: f eval' \
+		--arg eval 'import ./.' \
+		--arg f "eval@{ config, ... }: $(1)"
 
 execute = \
-	result=$$($(call evaluate,-A config.krebs.build.$(1) --json)) && \
+	result=$$($(call evaluate,config.krebs.build.$(1))) && \
 	script=$$(echo "$$result" | jq -r .) && \
 	echo "$$script" | PS5=% sh
 
@@ -61,8 +63,8 @@ deploy:
 		nixos-rebuild switch --show-trace -I $(target_path)
 
 # usage: make LOGNAME=shared system=wolf eval.config.krebs.build.host.name
-eval eval.:;@$(call evaluate)
+eval eval.:;@$(call evaluate,$${expr-eval})
-eval.%:;@$(call evaluate,-A $*)
+eval.%:;@$(call evaluate,$*)
 
 # usage: make install system=foo [target_host=bar]
 install: ssh ?= ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null

krebs/3modules/build.nix

@@ -41,6 +41,8 @@ let
           #! /bin/sh
           set -eu
 
+          ssh=''${ssh-ssh}
+
           verbose() {
             printf '%s%s\n' "$PS5$(printf ' %q' "$@")" >&2
             "$@"
@@ -48,7 +50,7 @@ let
 
           { printf 'PS5=%q%q\n' @ "$PS5"
             echo ${shell.escape git-script}
-          } | verbose ssh -p ${shell.escape target-port} \
+          } | verbose $ssh -p ${shell.escape target-port} \
                   ${shell.escape "${target-user}@${target-host}"} -T
 
           unset tmpdir
@@ -77,7 +79,7 @@ let
                   ) (attrNames source-by-method.file)} \
                   --delete \
                   -vFrlptD \
-                  -e ${shell.escape "ssh -p ${target-port}"} \
+                  -e "$ssh -p ${shell.escape target-port}" \
                   ${shell.escape target-path}/ \
                   ${shell.escape "${target-user}@${target-host}:${target-path}"}
         '';
@@ -114,7 +116,7 @@ let
             if ! test "$(git log --format=%H -1)" = "$hash"; then
               git fetch origin
               git checkout "$hash" -- "$dst_dir"
-              git checkout "$hash"
+              git checkout -f "$hash"
             fi
 
             git clean -dxf

krebs/3modules/default.nix

@@ -28,6 +28,7 @@ let
       ./realwallpaper.nix
       ./retiolum-bootstrap.nix
       ./retiolum.nix
+      ./secret.nix
       ./setuid.nix
       ./tinc_graphs.nix
       ./urlwatch.nix
@@ -42,9 +43,7 @@ let
 
     dns = {
       providers = mkOption {
-        # TODO with types; tree dns.label dns.provider, so we can merge.
+        type = with types; attrsOf str;
-        # Currently providers can only be merged if aliases occur just once.
-        type = with types; attrsOf unspecified;
       };
     };
 
@@ -94,7 +93,7 @@ let
     { krebs = import ./tv     { inherit config lib; }; }
     {
       krebs.dns.providers = {
-        de.krebsco = "zones";
+        "krebsco.de" = "zones";
         gg23 = "hosts";
         shack = "hosts";
         i = "hosts";
@@ -103,13 +102,27 @@ let
         retiolum = "hosts";
       };
 
-      networking.extraHosts = concatStringsSep "\n" (flatten (
+      krebs.users = {
+        krebs = {
+          home = "/krebs";
+          mail = "spam@krebsco.de";
+        };
+        root = {
+          home = "/root";
+          pubkey = config.krebs.build.host.ssh.pubkey;
+          uid = 0;
+        };
+      };
+
+      networking.extraHosts = let
+        domains = attrNames (filterAttrs (_: eq "hosts") cfg.dns.providers);
+        check = hostname: any (domain: hasSuffix ".${domain}" hostname) domains;
+      in concatStringsSep "\n" (flatten (
         mapAttrsToList (hostname: host:
           mapAttrsToList (netname: net:
             let
               aliases = longs ++ shorts;
-              providers = dns.split-by-provider net.aliases cfg.dns.providers;
+              longs = filter check net.aliases;
-              longs = providers.hosts;
               shorts = let s = ".${cfg.search-domain}"; in
                 map (removeSuffix s) (filter (hasSuffix s) longs);
             in
@@ -130,12 +143,11 @@ let
         { text=(stripEmptyLines value); }) all-zones;
 
       krebs.exim-smarthost.internet-aliases = let
-        format = from: to:
+        format = from: to: {
+          inherit from;
           # TODO assert is-retiolum-mail-address to;
-          { inherit from;
+          to = concatMapStringsSep "," (getAttr "mail") (toList to);
-            to = if typeOf to == "list"
+        };
-                   then concatMapStringsSep "," (getAttr "mail") to
-                   else to.mail; };
       in mapAttrsToList format (with config.krebs.users; let
         spam-ml = [
           lass
@@ -154,6 +166,10 @@ let
         "makefu@retiolum" = makefu;
         "spam@retiolum" = spam-ml;
         "tv@retiolum" = tv;
+        "lass@r" = lass;
+        "makefu@r" = makefu;
+        "spam@r" = spam-ml;
+        "tv@r" = tv;
       });
 
       services.openssh.hostKeys =

krebs/3modules/exim-retiolum.nix

@@ -11,6 +11,24 @@ let
 
   api = {
     enable = mkEnableOption "krebs.exim-retiolum";
+    local_domains = mkOption {
+      type = with types; listOf hostname;
+      default = ["localhost"] ++ config.krebs.build.host.nets.retiolum.aliases;
+    };
+    primary_hostname = mkOption {
+      type = types.str;
+      default = let x = "${config.krebs.build.host.name}.r"; in
+        assert elem x config.krebs.build.host.nets.retiolum.aliases;
+        x;
+    };
+    relay_to_domains = mkOption {
+      # TODO hostname with wildcards
+      type = with types; listOf str;
+      default = [
+        "*.r"
+        "*.retiolum"
+      ];
+    };
   };
 
   imp = {
@@ -21,9 +39,9 @@ let
         # TODO modular configuration
         assert config.krebs.retiolum.enable;
         ''
-          primary_hostname = ${retiolumHostname}
+          primary_hostname = ${cfg.primary_hostname}
-          domainlist local_domains    = @ : localhost
+          domainlist local_domains = ${concatStringsSep ":" cfg.local_domains}
-          domainlist relay_to_domains = *.retiolum
+          domainlist relay_to_domains = ${concatStringsSep ":" cfg.relay_to_domains}
           hostlist   relay_from_hosts = <; 127.0.0.1 ; ::1
 
           acl_smtp_rcpt = acl_check_rcpt
@@ -85,7 +103,7 @@ let
 
           retiolum:
             driver = manualroute
-            domains = ! ${retiolumHostname} : *.retiolum
+            domains = ! +local_domains : +relay_to_domains
             transport = remote_smtp
             route_list = ^.* $0 byname
             no_more
@@ -125,8 +143,8 @@ let
           # mode = 0660
 
           begin retry
-          *.retiolum             *           F,42d,1m
+          ${concatMapStringsSep "\n" (k: "${k} * F,42d,1m") cfg.relay_to_domains}
-          *                      *           F,2h,15m; G,16h,1h,1.5; F,4d,6h
+          * * F,2h,15m; G,16h,1h,1.5; F,4d,6h
 
           begin rewrite
 
@@ -134,8 +152,4 @@ let
         '';
     };
   };
-
+in out
-  # TODO get the hostname from somewhere else.
-  retiolumHostname = "${config.networking.hostName}.retiolum";
-in
-out

krebs/3modules/exim-smarthost.nix

@@ -25,14 +25,31 @@ let
       }));
     };
 
+    local_domains = mkOption {
+      type = with types; listOf hostname;
+      default = ["localhost"] ++ config.krebs.build.host.nets.retiolum.aliases;
+    };
+
     relay_from_hosts = mkOption {
       type = with types; listOf str;
       default = [];
+      apply = xs: ["127.0.0.1" "::1"] ++ xs;
+    };
+
+    relay_to_domains = mkOption {
+      # TODO hostname with wildcards
+      type = with types; listOf str;
+      default = [
+        "*.r"
+        "*.retiolum"
+      ];
     };
 
     primary_hostname = mkOption {
       type = types.str;
-      default = "${config.networking.hostName}.retiolum";
+      default = let x = "${config.krebs.build.host.name}.r"; in
+        assert elem x config.krebs.build.host.nets.retiolum.aliases;
+        x;
     };
 
     sender_domains = mkOption {
@@ -63,19 +80,11 @@ let
         # HOST_REDIR contains the real destinations for "local_domains".
         #HOST_REDIR = /etc/exim4/host_redirect
 
-
         # Domains not listed in local_domains need to be deliverable remotely.
         # XXX We abuse local_domains to mean "domains, we're the gateway for".
-        domainlist local_domains = @ : localhost
+        domainlist local_domains = ${concatStringsSep ":" cfg.local_domains}
-        domainlist relay_to_domains =
+        domainlist relay_to_domains = ${concatStringsSep ":" cfg.relay_to_domains}
-        hostlist relay_from_hosts = <;${concatStringsSep ";" (
+        hostlist relay_from_hosts = <;${concatStringsSep ";" cfg.relay_from_hosts}
-          [
-            "127.0.0.1"
-            "::1"
-          ]
-          ++
-          cfg.relay_from_hosts
-        )}
 
         acl_smtp_rcpt = acl_check_rcpt
         acl_smtp_data = acl_check_data
@@ -144,7 +153,7 @@ let
         retiolum:
           debug_print = "R: retiolum for $local_part@$domain"
           driver = manualroute
-          domains = ! ${cfg.primary_hostname} : *.retiolum
+          domains = ! +local_domains : +relay_to_domains
           transport = retiolum_smtp
           route_list = ^.* $0 byname
           no_more
@@ -197,8 +206,11 @@ let
           return_path_add
 
         begin retry
-        *.retiolum             *           F,42d,1m
+        ${concatMapStringsSep "\n" (k: "${k} * F,42d,1m") cfg.relay_to_domains}
-        *                      *           F,2h,15m; G,16h,1h,1.5; F,4d,6h
+        ${concatMapStringsSep "\n" (k: "${k} * F,42d,1m")
+                                   # TODO don't include relay_to_domains
+                                   (map (getAttr "from") cfg.internet-aliases)}
+        * * F,2h,15m; G,16h,1h,1.5; F,4d,6h
 
         begin rewrite
         begin authenticators

krebs/3modules/git.nix

@@ -232,13 +232,15 @@ let
         ]) (filter (rule: rule.perm.allow-receive-ref != null) cfg.rules));
       };
 
-    users.extraUsers = singleton rec {
+    # TODO cfg.user
+    users.users.git = rec {
       description = "Git repository hosting user";
       name = "git";
       shell = "/bin/sh";
       openssh.authorizedKeys.keys =
         mapAttrsToList (_: makeAuthorizedKey git-ssh-command)
-          config.krebs.users;
+                       (filterAttrs (_: user: isString user.pubkey)
+                                    config.krebs.users);
       uid = genid name;
     };
   };

krebs/3modules/lass/default.nix

@@ -3,7 +3,7 @@
 with config.krebs.lib;
 
 {
-  hosts = {
+  hosts = mapAttrs (_: setAttr "owner" config.krebs.users.lass) {
     dishfire = {
       cores = 4;
       nets = rec {

krebs/3modules/lib.nix

@@ -10,6 +10,6 @@ let
     type = types.attrs;
   };
   imp = {
-    krebs.lib = lib // import ../4lib { inherit lib; } // builtins;
+    krebs.lib = lib // import ../4lib { inherit config lib; } // builtins;
   };
 in out

krebs/3modules/makefu/default.nix

@@ -3,7 +3,7 @@
 with config.krebs.lib;
 
 {
-  hosts = {
+  hosts = mapAttrs (_: setAttr "owner" config.krebs.users.makefu) {
     pnp = {
       cores = 1;
       nets = {

krebs/3modules/miefda/default.nix

@@ -3,7 +3,7 @@
 with config.krebs.lib;
 
 {
-  hosts = {
+  hosts = mapAttrs (_: setAttr "owner" config.krebs.users.miefda) {
     bobby = {
       cores = 4;
       nets = {

krebs/3modules/mv/default.nix

@@ -3,7 +3,7 @@
 with config.krebs.lib;
 
 {
-  hosts = {
+  hosts = mapAttrs (_: setAttr "owner" config.krebs.users.mv) {
     stro = {
       cores = 4;
       nets = {

krebs/3modules/secret.nix

@@ -0,0 +1,39 @@
+{ config, lib, pkgs, ... }@args: with config.krebs.lib; let
+  cfg = config.krebs.secret;
+in {
+  options.krebs.secret = {
+    files = mkOption {
+      type = with types; attrsOf secret-file;
+      default = {};
+    };
+  };
+  config = lib.mkIf (cfg.files != {}) {
+    systemd.services.secret = let
+      # TODO fail if two files have the same path but differ otherwise
+      files = unique (map (flip removeAttrs ["_module"])
+                          (attrValues cfg.files));
+    in {
+      serviceConfig = {
+        Type = "oneshot";
+        RemainAfterExit = "yes";
+        SyslogIdentifier = "secret";
+        ExecStart = pkgs.writeDash "install-secret-files" ''
+          exit_code=0
+          ${concatMapStringsSep "\n" (file: ''
+            ${pkgs.coreutils}/bin/install \
+                  -D \
+                  --compare \
+                  --verbose \
+                  --mode=${shell.escape file.mode} \
+                  --owner=${shell.escape file.owner.name} \
+                  --group=${shell.escape file.group-name} \
+                  ${shell.escape file.source-path} \
+                  ${shell.escape file.path} \
+                || exit_code=1
+          '') files}
+          exit $exit_code
+        '';
+      };
+    };
+  };
+}

krebs/3modules/shared/default.nix

@@ -15,6 +15,7 @@ let
         addrs4 = ["10.243.111.111"];
         addrs6 = ["42:0:0:0:0:0:0:7357"];
         aliases = [
+          "test.r"
           "test.retiolum"
         ];
         tinc.pubkey = ''

krebs/3modules/tv/default.nix

@@ -4,9 +4,9 @@ with config.krebs.lib;
 
 {
   dns.providers = {
-    de.viljetic = "regfish";
+    "viljetic.de" = "regfish";
   };
-  hosts = {
+  hosts = mapAttrs (_: setAttr "owner" config.krebs.users.tv) {
     cd = rec {
       cores = 2;
       extraZones = {
@@ -354,6 +354,7 @@ with config.krebs.lib;
     tv = {
       mail = "tv@nomic.retiolum";
       pubkey = "ssh-rsa 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 tv@wu";
+      uid = 1337; # TODO use default
     };
     tv-nomic = {
       inherit (tv) mail;

krebs/4lib/default.nix

@@ -1,4 +1,4 @@
-{ lib, ... }:
+{ config, lib, ... }:
 
 with builtins;
 with lib;
@@ -15,14 +15,15 @@ let out = rec {
 
   addNames = mapAttrs addName;
 
-  types = import ./types.nix { inherit lib; };
+  types = import ./types.nix {
+    inherit config;
+    lib = lib // { inherit genid; };
+  };
 
   dir.has-default-nix = path: pathExists (path + "/default.nix");
 
-  dns = import ./dns.nix { inherit lib; };
   genid = import ./genid.nix { lib = lib // out; };
   git = import ./git.nix { lib = lib // out; };
-  listset = import ./listset.nix { inherit lib; };
   shell = import ./shell.nix { inherit lib; };
   tree = import ./tree.nix { inherit lib; };
 

krebs/4lib/dns.nix

@@ -1,31 +0,0 @@
-{ lib, ... }:
-
-let
-  listset = import ./listset.nix { inherit lib; };
-in
-
-with builtins;
-with lib;
-
-rec {
-  # label = string
-
-  # TODO does it make sense to have alias = list label?
-
-  # split-by-provider :
-  #   [[label]] -> tree label provider -> listset provider alias
-  split-by-provider = as: providers:
-    foldl (m: a: listset.insert (provider-of a providers) a m) {} as;
-
-  # provider-of : alias -> tree label provider -> provider
-  # Note that we cannot use tree.get here, because path can be longer
-  # than the tree depth.
-  provider-of = a:
-    let
-      go = path: tree:
-        if typeOf tree == "string"
-          then tree
-          else go (tail path) tree.${head path};
-    in
-    go (reverseList (splitString "." a));
-}

krebs/4lib/infest/prepare.sh

@@ -184,26 +184,21 @@ prepare_common() {(
 
   . /root/.nix-profile/etc/profile.d/nix.sh
 
-  for i in \
+  mkdir -p /mnt/"$target_path"
-    bash \
+  mkdir -p "$target_path"
-    coreutils \
-    # This line intentionally left blank.
-  do
-    if ! nix-env -q $i | grep -q .; then
-      nix-env -iA nixpkgs.pkgs.$i
-    fi
-  done
 
-  # install nixos-install
+  if ! mountpoint "$target_path"; then
-  if ! type nixos-install 2>/dev/null; then
+    mount --rbind /mnt/"$target_path" "$target_path"
-    nixpkgs_expr='import <nixpkgs> { system = builtins.currentSystem; }'
+  fi
-    nixpkgs_path=$(find /nix/store -mindepth 1 -maxdepth 1 -name *-nixpkgs-* -type d)
+
-    nix-env \
+  mkdir -p bin
-      --arg config "{ nix.package = ($nixpkgs_expr).nix; }" \
+  rm -f bin/nixos-install
-      --arg pkgs "$nixpkgs_expr" \
+  cp "$(type -p nixos-install)" bin/nixos-install
-      --arg modulesPath 'throw "no modulesPath"' \
+  sed -i "s@^NIX_PATH=\"[^\"]*\"@NIX_PATH=$target_path@" bin/nixos-install
-      -f $nixpkgs_path/nixpkgs/nixos/modules/installer/tools/tools.nix \
+
-      -iA config.system.build.nixos-install
+  if ! grep -q '^PATH.*#krebs' .bashrc; then
+    echo '. /root/.nix-profile/etc/profile.d/nix.sh' >> .bashrc
+    echo 'PATH=$HOME/bin:$PATH #krebs' >> .bashrc
   fi
 )}
 

krebs/4lib/listset.nix

@@ -1,11 +0,0 @@
-{ lib, ... }:
-
-with lib;
-
-rec {
-  # listset k v = set k [v]
-
-  # insert : k -> v -> listset k v -> listset k v
-  insert = name: value: set:
-    set // { ${name} = set.${name} or [] ++ [value]; };
-}

krebs/4lib/types.nix

@@ -1,4 +1,4 @@
-{ lib, ... }:
+{ config, lib, ... }:
 
 with builtins;
 with lib;
@@ -20,25 +20,17 @@ types // rec {
         default = {};
       };
 
+      owner = mkOption {
+        type = user;
+        default = config.krebs.users.krebs;
+      };
+
       extraZones = mkOption {
         default = {};
         # TODO: string is either MX, NS, A or AAAA
         type = with types; attrsOf string;
       };
 
-      infest = {
-        addr = mkOption {
-          type = str;
-          apply = trace "Obsolete option `krebs.hosts.${config.name}.infest.addr' is used.  It was replaced by the `target' argument to `make` or `get`.  See Makefile for more information.";
-        };
-        port = mkOption {
-          type = int;
-          default = 22;
-          # TODO replacement: allow target with port, SSH-style: [lol]:666
-          apply = trace "Obsolete option `krebs.hosts.${config.name}.infest.port' is used.  It's gone without replacement.";
-        };
-      };
-
       secure = mkOption {
         type = bool;
         default = false;
@@ -147,6 +139,25 @@ types // rec {
     merge = mergeOneOption;
   };
 
+  secret-file = submodule ({ config, ... }: {
+    options = {
+      path = mkOption { type = str; };
+      mode = mkOption { type = str; default = "0400"; };
+      owner = mkOption {
+        type = user;
+        default = config.krebs.users.root;
+      };
+      group-name = mkOption {
+        type = str;
+        default = "root";
+      };
+      source-path = mkOption {
+        type = str;
+        default = toString <secrets> + "/${config._module.args.name}";
+      };
+    };
+  });
+
   suffixed-str = suffs:
     mkOptionType {
       name = "string suffixed by ${concatStringsSep ", " suffs}";
@@ -156,6 +167,10 @@ types // rec {
 
   user = submodule ({ config, ... }: {
     options = {
+      home = mkOption {
+        type = absolute-pathname;
+        default = "/home/${config.name}";
+      };
       mail = mkOption {
         type = str; # TODO retiolum mail address
       };
@@ -164,7 +179,12 @@ types // rec {
         default = config._module.args.name;
       };
       pubkey = mkOption {
-        type = str;
+        type = nullOr str;
+        default = null;
+      };
+      uid = mkOption {
+        type = int;
+        default = genid config.name;
       };
     };
   });
@@ -217,6 +237,21 @@ types // rec {
     merge = mergeOneOption;
   };
 
+  # POSIX.1‐2013, 3.2 Absolute Pathname
+  # TODO normalize slashes
+  # TODO two slashes
+  absolute-pathname = mkOptionType {
+    name = "POSIX absolute pathname";
+    check = s: pathname.check s && substring 0 1 s == "/";
+  };
+
+  # POSIX.1‐2013, 3.267 Pathname
+  # TODO normalize slashes
+  pathname = mkOptionType {
+    name = "POSIX pathname";
+    check = s: isString s && all filename.check (splitString "/" s);
+  };
+
   # POSIX.1-2013, 3.431 User Name
   username = mkOptionType {
     name = "POSIX username";

krebs/5pkgs/push/default.nix

@@ -1,20 +1,21 @@
 { fetchgit, lib, stdenv
 , coreutils
-, get
 , git
+, gnumake
 , gnused
 , jq
+, nix
 , openssh
 , parallel
 , ... }:
 
 stdenv.mkDerivation {
-  name = "push-1.1.1";
+  name = "push-1.1.2";
 
   src = fetchgit {
     url = http://cgit.cd.krebsco.de/push;
-    rev = "ea8b76569c6b226fe148e559477669b095408472";
+    rev = "da5b3a4b05ef822cc41d36b6cc2071a2e78506d4";
-    sha256 = "c305a1515d30603f6ed825d44487e863fdc7d90400620ceaf2c335a3b5d1e221";
+    sha256 = "0gfxz207lm11g77rw02jcqpvzhx07j9hzgjgscbmslzl5r8icd6g";
   };
 
   phases = [
@@ -26,10 +27,11 @@ stdenv.mkDerivation {
     let
       path = lib.makeSearchPath "bin" [
         coreutils
-        get
         git
+        gnumake
         gnused
         jq
+        nix
         openssh
         parallel
       ];

krebs/5pkgs/test/infest-cac-centos7/notes

@@ -1,4 +1,4 @@
-# nix-shell -p gnumake jq openssh cac-api cac-panel
+# nix-shell -p gnumake jq openssh cac-api cac-panel sshpass
 set -eufx
 
 # 2 secrets are required:
@@ -99,7 +99,7 @@ defer "cac-api delete $id;$old_trapstr"
 mkdir -p shared/2configs/temp
 cac-api generatenetworking $id > \
   shared/2configs/temp/networking.nix
-# new temporary ssh key we will use to log in after infest
+# new temporary ssh key we will use to log in after install
 ssh-keygen -f $krebs_ssh -N ""
 cp $retiolum_key $krebs_secrets/retiolum.rsa_key.priv
 # we override the directories for secrets and stockholm
@@ -118,12 +118,12 @@ _: {
 }
 EOF
 
-LOGNAME=shared make eval get=krebs.infest \
+make install \
-  target=derp system=test-centos7 filter=json \
+    LOGNAME=shared \
-  | sed -e "s#^ssh.*<<#cac-api ssh $id<<#" \
+    SSHPASS="$(cac-api getserver $id | jq -r .rootpass)" \
-        -e "/^rsync/a -e 'cac-api ssh $id' \\\\"  \
+    ssh='sshpass -e ssh -S none -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null' \
-        -e "s#root.derp:#:#" > $krebs_secrets/infest
+    system=test-centos7 \
-sh -x $krebs_secrets/infest
+    target=$ip
 
 # TODO: generate secrets directory $krebs_secrets for nix import
 cac-api powerop $id reset

makefu/2configs/default.nix

@@ -4,6 +4,13 @@ with config.krebs.lib;
 {
   system.stateVersion = "15.09";
 
+  system.replaceRuntimeDependencies = with pkgs.lib;
+        [{original = pkgs.glibc; replacement = pkgs.stdenv.lib.overrideDerivation pkgs.glibc (oldAttr: { patches = oldAttr.patches ++
+          [(pkgs.fetchurl { url = "https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/development/libraries/glibc/cve-2015-7547.patch";
+                            sha256 = "0awpc4rp2x27rjpj83ps0rclmn73hsgfv2xxk18k82w4hdxqpp5r";})];
+        });}
+        ];
+
   imports = [
     {
       users.extraUsers =

makefu/2configs/deployment/mycube.connector.one.nix

@@ -16,7 +16,7 @@ in {
       vassals = {
         mycube-flask = {
           type = "normal";
-          python2Packages = self: with self; [ pkgs.mycube-flask self.flask self.redis self.werkzeug self.jinja2 self.markupsafe itsdangerous ];
+          python2Packages = self: with self; [ pkgs.mycube-flask flask redis werkzeug jinja2 markupsafe itsdangerous ];
           socket = wsgi-sock;
         };
       };

makefu/2configs/main-laptop.nix

@@ -12,6 +12,9 @@ with config.krebs.lib;
     ./fetchWallpaper.nix
     ./zsh-user.nix
   ];
+
+  users.users.${config.krebs.build.user.name}.extraGroups = [ "dialout" ];
+
   environment.systemPackages = with pkgs;[
     vlc
     firefox

shared/1systems/test-all-krebs-modules.nix

@@ -19,9 +19,13 @@ in {
       username = "lol";
       password = "wut";
     };
-    exim-retiolum.enable = true;
+    exim-retiolum = {
+      enable = true;
+      primary_hostname = "test.r";
+    };
     exim-smarthost = {
       enable = true;
+      primary_hostname = "test.r";
       system-aliases = [ { from = "dick"; to = "butt"; } ];
     };
     go.enable = true;

tv/1systems/cd.nix

@@ -14,11 +14,14 @@ with config.krebs.lib;
     ../2configs/retiolum.nix
     ../2configs/urlwatch.nix
     {
-      imports = [ ../2configs/charybdis.nix ];
       tv.charybdis = {
         enable = true;
-        sslCert = ../Zcerts/charybdis_cd.crt.pem;
+        ssl_cert = ../Zcerts/charybdis_cd.crt.pem;
       };
+      tv.iptables.input-retiolum-accept-new-tcp = [
+        config.tv.charybdis.port
+        config.tv.charybdis.sslport
+      ];
     }
     {
       tv.ejabberd = {

tv/2configs/charybdis.nix

@@ -1,601 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-with config.krebs.lib;
-let
-  cfg = config.tv.charybdis;
-
-  out = {
-    options.tv.charybdis = api;
-    config = lib.mkIf cfg.enable (lib.mkMerge [
-      imp
-      { tv.iptables.input-retiolum-accept-new-tcp = [ 6667 6697 ]; }
-    ]);
-  };
-
-  api = {
-    enable = mkEnableOption "tv.charybdis";
-    dataDir = mkOption {
-      type = types.str;
-      default = "/var/lib/charybdis";
-    };
-    dhParams = mkOption {
-      type = types.str;
-      default = toString <secrets/charybdis.dh.pem>;
-    };
-    motd = mkOption {
-      type = types.str;
-      default = "/join #retiolum";
-    };
-    sslCert = mkOption {
-      type = types.path;
-    };
-    sslKey = mkOption {
-      type = types.str;
-      default = toString <secrets/charybdis.key.pem>;
-    };
-  };
-
-  imp = {
-    systemd.services.charybdis = {
-      wantedBy = [ "multi-user.target" ];
-      environment = {
-        BANDB_DBPATH = "${cfg.dataDir}/ban.db";
-      };
-      serviceConfig = {
-        PermissionsStartOnly = "true";
-        SyslogIdentifier = "charybdis";
-        User = user.name;
-        PrivateTmp = "true";
-        Restart = "always";
-        ExecStartPre = pkgs.writeScript "charybdis-init" ''
-          #! /bin/sh
-          mkdir -p ${cfg.dataDir}
-          chown ${user.name}: ${cfg.dataDir}
-          install -o ${user.name} -m 0400 ${cfg.sslKey} /tmp/ssl.key
-          install -o ${user.name} -m 0400 ${cfg.dhParams} /tmp/dh.pem
-          echo ${escapeShellArg cfg.motd} > /tmp/ircd.motd
-        '';
-        ExecStart = pkgs.writeScript "charybdis-service" ''
-          #! /bin/sh
-          set -euf
-          exec ${pkgs.charybdis}/bin/charybdis-ircd \
-            -foreground \
-            -logfile /dev/stderr \
-            -configfile ${configFile}
-        '';
-      };
-    };
-
-    users.extraUsers = singleton {
-      inherit (user) name uid;
-    };
-  };
-
-  user = rec {
-    name = "charybdis";
-    uid = genid name;
-  };
-
-  configFile = toFile "charybdis-ircd.conf" ''
-    /* doc/example.conf - brief example configuration file
-     *
-     * Copyright (C) 2000-2002 Hybrid Development Team
-     * Copyright (C) 2002-2005 ircd-ratbox development team
-     * Copyright (C) 2005-2006 charybdis development team
-     *
-     * $Id: example.conf 3582 2007-11-17 21:55:48Z jilles $
-     *
-     * See reference.conf for more information.
-     */
-
-    /* Extensions */
-    #loadmodule "extensions/chm_operonly_compat.so";
-    #loadmodule "extensions/chm_quietunreg_compat.so";
-    #loadmodule "extensions/chm_sslonly_compat.so";
-    #loadmodule "extensions/createauthonly.so";
-    #loadmodule "extensions/extb_account.so";
-    #loadmodule "extensions/extb_canjoin.so";
-    #loadmodule "extensions/extb_channel.so";
-    #loadmodule "extensions/extb_extgecos.so";
-    #loadmodule "extensions/extb_oper.so";
-    #loadmodule "extensions/extb_realname.so";
-    #loadmodule "extensions/extb_server.so";
-    #loadmodule "extensions/extb_ssl.so";
-    #loadmodule "extensions/hurt.so";
-    #loadmodule "extensions/m_findforwards.so";
-    #loadmodule "extensions/m_identify.so";
-    #loadmodule "extensions/no_oper_invis.so";
-    #loadmodule "extensions/sno_farconnect.so";
-    #loadmodule "extensions/sno_globalkline.so";
-    #loadmodule "extensions/sno_globaloper.so";
-    #loadmodule "extensions/sno_whois.so";
-    loadmodule "extensions/override.so";
-
-    /*
-     * IP cloaking extensions: use ip_cloaking_4.0
-     * if you're linking 3.2 and later, otherwise use
-     * ip_cloaking.so, for compatibility with older 3.x
-     * releases.
-     */
-
-    #loadmodule "extensions/ip_cloaking_4.0.so";
-    #loadmodule "extensions/ip_cloaking.so";
-
-    serverinfo {
-      name = ${toJSON (head config.krebs.build.host.nets.retiolum.aliases)};
-      sid = "4z3";
-      description = "miep!";
-      network_name = "irc.retiolum";
-      #network_desc = "Retiolum IRC Network";
-      hub = yes;
-
-      /* On multi-homed hosts you may need the following. These define
-       * the addresses we connect from to other servers. */
-      /* for IPv4 */
-      vhost = ${concatMapStringsSep ", " toJSON config.krebs.build.host.nets.retiolum.addrs4};
-      /* for IPv6 */
-      vhost6 = ${concatMapStringsSep ", " toJSON config.krebs.build.host.nets.retiolum.addrs6};
-
-      /* ssl_private_key: our ssl private key */
-      ssl_private_key = "/tmp/ssl.key";
-
-      /* ssl_cert: certificate for our ssl server */
-      ssl_cert = ${toJSON cfg.sslCert};
-
-      /* ssl_dh_params: DH parameters, generate with openssl dhparam -out dh.pem 1024 */
-      ssl_dh_params = "/tmp/dh.pem";
-
-      /* ssld_count: number of ssld processes you want to start, if you
-       * have a really busy server, using N-1 where N is the number of
-       * cpu/cpu cores you have might be useful. A number greater than one
-       * can also be useful in case of bugs in ssld and because ssld needs
-       * two file descriptors per SSL connection.
-       */
-      ssld_count = 1;
-
-      /* default max clients: the default maximum number of clients
-       * allowed to connect.  This can be changed once ircd has started by
-       * issuing:
-       *   /quote set maxclients <limit>
-       */
-      default_max_clients = 1024;
-
-      /* nicklen: enforced nickname length (for this server only; must not
-       * be longer than the maximum length set while building).
-       */
-      nicklen = 30;
-    };
-
-    admin {
-      name = "tv";
-      description = "peer";
-      mail = "${config.krebs.users.tv.mail}";
-    };
-
-    log {
-      fname_userlog = "/dev/stderr";
-      fname_fuserlog = "/dev/stderr";
-      fname_operlog = "/dev/stderr";
-      fname_foperlog = "/dev/stderr";
-      fname_serverlog = "/dev/stderr";
-      fname_klinelog = "/dev/stderr";
-      fname_killlog = "/dev/stderr";
-      fname_operspylog = "/dev/stderr";
-      fname_ioerrorlog = "/dev/stderr";
-    };
-
-    /* class {} blocks MUST be specified before anything that uses them.  That
-     * means they must be defined before auth {} and before connect {}.
-     */
-
-    class "krebs" {
-      ping_time = 2 minutes;
-      number_per_ident = 10;
-      number_per_ip = 2048;
-      number_per_ip_global = 4096;
-      cidr_ipv4_bitlen = 24;
-      cidr_ipv6_bitlen = 64;
-      number_per_cidr = 65536;
-      max_number = 3000;
-      sendq = 1 megabyte;
-    };
-
-    class "users" {
-      ping_time = 2 minutes;
-      number_per_ident = 10;
-      number_per_ip = 1024;
-      number_per_ip_global = 4096;
-      cidr_ipv4_bitlen = 24;
-      cidr_ipv6_bitlen = 64;
-      number_per_cidr = 65536;
-      max_number = 3000;
-      sendq = 400 kbytes;
-    };
-
-    class "opers" {
-      ping_time = 5 minutes;
-      number_per_ip = 10;
-      max_number = 1000;
-      sendq = 1 megabyte;
-    };
-
-    class "server" {
-      ping_time = 5 minutes;
-      connectfreq = 5 minutes;
-      max_number = 1;
-      sendq = 4 megabytes;
-    };
-
-    listen {
-      /* defer_accept: wait for clients to send IRC handshake data before
-       * accepting them.  if you intend to use software which depends on the
-       * server replying first, such as BOPM, you should disable this feature.
-       * otherwise, you probably want to leave it on.
-       */
-      defer_accept = yes;
-
-      /* If you want to listen on a specific IP only, specify host.
-       * host definitions apply only to the following port line.
-       */
-      # XXX This is stupid because only one host is allowed[?]
-      #host = ''${concatMapStringsSep ", " toJSON (
-      #  config.krebs.build.host.nets.retiolum.addrs
-      #)};
-      port = 6667;
-      sslport = 6697;
-    };
-
-    /* auth {}: allow users to connect to the ircd (OLD I:)
-     * auth {} blocks MUST be specified in order of precedence.  The first one
-     * that matches a user will be used.  So place spoofs first, then specials,
-     * then general access, then restricted.
-     */
-    auth {
-      /* user: the user@host allowed to connect.  Multiple IPv4/IPv6 user
-       * lines are permitted per auth block.  This is matched against the
-       * hostname and IP address (using :: shortening for IPv6 and
-       * prepending a 0 if it starts with a colon) and can also use CIDR
-       * masks.
-       */
-      user = "*@10.243.0.0/12";
-      user = "*@42::/16";
-
-      /* password: an optional password that is required to use this block.
-       * By default this is not encrypted, specify the flag "encrypted" in
-       * flags = ...; below if it is.
-       */
-      #password = "letmein";
-
-      /* spoof: fake the users user@host to be be this.  You may either
-       * specify a host or a user@host to spoof to.  This is free-form,
-       * just do everyone a favour and dont abuse it. (OLD I: = flag)
-       */
-      #spoof = "I.still.hate.packets";
-
-      /* Possible flags in auth:
-       *
-       * encrypted                  | password is encrypted with mkpasswd
-       * spoof_notice               | give a notice when spoofing hosts
-       * exceed_limit (old > flag)  | allow user to exceed class user limits
-       * kline_exempt (old ^ flag)  | exempt this user from k/g/xlines&dnsbls
-       * dnsbl_exempt		      | exempt this user from dnsbls
-       * spambot_exempt	      | exempt this user from spambot checks
-       * shide_exempt		      | exempt this user from serverhiding
-       * jupe_exempt                | exempt this user from generating
-       *                              warnings joining juped channels
-       * resv_exempt		      | exempt this user from resvs
-       * flood_exempt               | exempt this user from flood limits
-       *                                     USE WITH CAUTION.
-       * no_tilde     (old - flag)  | don't prefix ~ to username if no ident
-       * need_ident   (old + flag)  | require ident for user in this class
-       * need_ssl                   | require SSL/TLS for user in this class
-       * need_sasl                  | require SASL id for user in this class
-       */
-      flags = kline_exempt, exceed_limit, flood_exempt;
-
-      /* class: the class the user is placed in */
-      class = "krebs";
-    };
-
-    auth {
-      user = "*@*";
-      class = "users";
-    };
-
-    /* privset {} blocks MUST be specified before anything that uses them.  That
-     * means they must be defined before operator {}.
-     */
-    privset "local_op" {
-      privs = oper:local_kill, oper:operwall;
-    };
-
-    privset "server_bot" {
-      extends = "local_op";
-      privs = oper:kline, oper:remoteban, snomask:nick_changes;
-    };
-
-    privset "global_op" {
-      extends = "local_op";
-      privs = oper:global_kill, oper:routing, oper:kline, oper:unkline, oper:xline,
-        oper:resv, oper:mass_notice, oper:remoteban;
-    };
-
-    privset "admin" {
-      extends = "global_op";
-      privs = oper:admin, oper:die, oper:rehash, oper:spy, oper:override;
-    };
-
-    privset "aids" {
-      privs = oper:override, oper:rehash;
-    };
-
-    operator "aids" {
-      user = "*@10.243.*";
-      privset = "aids";
-      flags = ~encrypted;
-      password = "balls";
-    };
-
-    operator "god" {
-      /* name: the name of the oper must go above */
-
-      /* user: the user@host required for this operator.  CIDR *is*
-       * supported now. auth{} spoofs work here, other spoofs do not.
-       * multiple user="" lines are supported.
-       */
-      user = "*god@127.0.0.1";
-
-      /* password: the password required to oper.  Unless ~encrypted is
-       * contained in flags = ...; this will need to be encrypted using
-       * mkpasswd, MD5 is supported
-       */
-      password = "5";
-
-      /* rsa key: the public key for this oper when using Challenge.
-       * A password should not be defined when this is used, see
-       * doc/challenge.txt for more information.
-       */
-      #rsa_public_key_file = "/usr/local/ircd/etc/oper.pub";
-
-      /* umodes: the specific umodes this oper gets when they oper.
-       * If this is specified an oper will not be given oper_umodes
-       * These are described above oper_only_umodes in general {};
-       */
-      #umodes = locops, servnotice, operwall, wallop;
-
-      /* fingerprint: if specified, the oper's client certificate
-       * fingerprint will be checked against the specified fingerprint
-       * below.
-       */
-      #fingerprint = "c77106576abf7f9f90cca0f63874a60f2e40a64b";
-
-      /* snomask: specific server notice mask on oper up.
-       * If this is specified an oper will not be given oper_snomask.
-       */
-      snomask = "+Zbfkrsuy";
-
-      /* flags: misc options for the operator.  You may prefix an option
-       * with ~ to disable it, e.g. ~encrypted.
-       *
-       * Default flags are encrypted.
-       *
-       * Available options:
-       *
-       * encrypted:    the password above is encrypted [DEFAULT]
-       * need_ssl:     must be using SSL/TLS to oper up
-       */
-      flags = encrypted;
-
-      /* privset: privileges set to grant */
-      privset = "admin";
-    };
-
-    service {
-      name = "services.int";
-    };
-
-    cluster {
-      name = "*";
-      flags = kline, tkline, unkline, xline, txline, unxline, resv, tresv, unresv;
-    };
-
-    shared {
-      oper = "*@*", "*";
-      flags = all, rehash;
-    };
-
-    /* exempt {}: IPs that are exempt from Dlines and rejectcache. (OLD d:) */
-    exempt {
-      ip = "127.0.0.1";
-    };
-
-    channel {
-      use_invex = yes;
-      use_except = yes;
-      use_forward = yes;
-      use_knock = yes;
-      knock_delay = 5 minutes;
-      knock_delay_channel = 1 minute;
-      max_chans_per_user = 15;
-      max_bans = 100;
-      max_bans_large = 500;
-      default_split_user_count = 0;
-      default_split_server_count = 0;
-      no_create_on_split = no;
-      no_join_on_split = no;
-      burst_topicwho = yes;
-      kick_on_split_riding = no;
-      only_ascii_channels = no;
-      resv_forcepart = yes;
-      channel_target_change = yes;
-      disable_local_channels = no;
-    };
-
-    serverhide {
-      flatten_links = yes;
-      links_delay = 5 minutes;
-      hidden = no;
-      disable_hidden = no;
-    };
-
-    /* These are the blacklist settings.
-     * You can have multiple combinations of host and rejection reasons.
-     * They are used in pairs of one host/rejection reason.
-     *
-     * These settings should be adequate for most networks, and are (presently)
-     * required for use on StaticBox.
-     *
-     * Word to the wise: Do not use blacklists like SPEWS for blocking IRC
-     * connections.
-     *
-     * As of charybdis 2.2, you can do some keyword substitution on the rejection
-     * reason. The available keyword substitutions are:
-     *
-     *   ''${ip}           - the user's IP
-     *   ''${host}         - the user's canonical hostname
-     *   ''${dnsbl-host}   - the dnsbl hostname the lookup was done against
-     *   ''${nick}         - the user's nickname
-     *   ''${network-name} - the name of the network
-     *
-     * As of charybdis 3.4, a type parameter is supported, which specifies the
-     * address families the blacklist supports. IPv4 and IPv6 are supported.
-     * IPv4 is currently the default as few blacklists support IPv6 operation
-     * as of this writing.
-     *
-     * Note: AHBL (the providers of the below *.ahbl.org BLs) request that they be
-     * contacted, via email, at admins@2mbit.com before using these BLs.
-     * See <http://www.ahbl.org/services.php> for more information.
-     */
-    blacklist {
-      host = "rbl.efnetrbl.org";
-      type = ipv4;
-      reject_reason = "''${nick}, your IP (''${ip}) is listed in EFnet's RBL. For assistance, see http://efnetrbl.org/?i=''${ip}";
-
-    #	host = "ircbl.ahbl.org";
-    #	type = ipv4;
-    #	reject_reason = "''${nick}, your IP (''${ip}) is listed in ''${dnsbl-host} for having an open proxy. In order to protect ''${network-name} from abuse, we are not allowing connections with open proxies to connect.";
-    #
-    #	host = "tor.ahbl.org";
-    #	type = ipv4;
-    #	reject_reason = "''${nick}, your IP (''${ip}) is listed as a TOR exit node. In order to protect ''${network-name} from tor-based abuse, we are not allowing TOR exit nodes to connect to our network.";
-    #
-      /* Example of a blacklist that supports both IPv4 and IPv6 */
-    #	host = "foobl.blacklist.invalid";
-    #	type = ipv4, ipv6;
-    #	reject_reason = "''${nick}, your IP (''${ip}) is listed in ''${dnsbl-host} for some reason. In order to protect ''${network-name} from abuse, we are not allowing connections listed in ''${dnsbl-host} to connect";
-    };
-
-    alias "NickServ" {
-      target = "NickServ";
-    };
-
-    alias "ChanServ" {
-      target = "ChanServ";
-    };
-
-    alias "OperServ" {
-      target = "OperServ";
-    };
-
-    alias "MemoServ" {
-      target = "MemoServ";
-    };
-
-    alias "NS" {
-      target = "NickServ";
-    };
-
-    alias "CS" {
-      target = "ChanServ";
-    };
-
-    alias "OS" {
-      target = "OperServ";
-    };
-
-    alias "MS" {
-      target = "MemoServ";
-    };
-
-    general {
-      hide_error_messages = opers;
-      hide_spoof_ips = yes;
-
-      /*
-       * default_umodes: umodes to enable on connect.
-       * If you have enabled the new ip_cloaking_4.0 module, and you want
-       * to make use of it, add +x to this option, i.e.:
-       *      default_umodes = "+ix";
-       *
-       * If you have enabled the old ip_cloaking module, and you want
-       * to make use of it, add +h to this option, i.e.:
-       *	default_umodes = "+ih";
-       */
-      default_umodes = "+i";
-
-      default_operstring = "is an IRC Operator";
-      default_adminstring = "is a Server Administrator";
-      servicestring = "is a Network Service";
-      disable_fake_channels = no;
-      tkline_expire_notices = no;
-      default_floodcount = 1000;
-      failed_oper_notice = yes;
-      dots_in_ident=2;
-      min_nonwildcard = 4;
-      min_nonwildcard_simple = 3;
-      max_accept = 100;
-      max_monitor = 100;
-      anti_nick_flood = yes;
-      max_nick_time = 20 seconds;
-      max_nick_changes = 5;
-      anti_spam_exit_message_time = 5 minutes;
-      ts_warn_delta = 30 seconds;
-      ts_max_delta = 5 minutes;
-      client_exit = yes;
-      collision_fnc = yes;
-      resv_fnc = yes;
-      global_snotices = yes;
-      dline_with_reason = yes;
-      kline_delay = 0 seconds;
-      kline_with_reason = yes;
-      kline_reason = "K-Lined";
-      identify_service = "NickServ@services.int";
-      identify_command = "IDENTIFY";
-      non_redundant_klines = yes;
-      warn_no_nline = yes;
-      use_propagated_bans = yes;
-      stats_e_disabled = no;
-      stats_c_oper_only=no;
-      stats_h_oper_only=no;
-      client_flood_max_lines = 16000;
-      client_flood_burst_rate = 32000;
-      client_flood_burst_max = 32000;
-      client_flood_message_num = 32000;
-      client_flood_message_time = 32000;
-      use_whois_actually = no;
-      oper_only_umodes = operwall, locops, servnotice;
-      oper_umodes = locops, servnotice, operwall, wallop;
-      oper_snomask = "+s";
-      burst_away = yes;
-      nick_delay = 0 seconds; # 15 minutes if you want to enable this
-      reject_ban_time = 1 minute;
-      reject_after_count = 3;
-      reject_duration = 5 minutes;
-      throttle_duration = 60;
-      throttle_count = 4;
-      max_ratelimit_tokens = 30;
-      away_interval = 30;
-      disable_auth = yes;
-    };
-
-    modules {
-      path = "modules";
-      path = "modules/autoload";
-    };
-
-    exempt {
-      ip = "10.243.0.0/16";
-    };
-  '';
-in
-out

tv/2configs/default.nix

@@ -40,8 +40,8 @@ with config.krebs.lib;
         mutableUsers = false;
         users = {
           tv = {
+            inherit (config.krebs.users.tv) home uid;
             isNormalUser = true;
-            uid = 1337;
             extraGroups = [ "tv" ];
           };
         };
@@ -124,7 +124,7 @@ with config.krebs.lib;
             0)
               PS1='\[\e[1;31m\]\w\[\e[0m\] '
               ;;
-            1337)
+            ${toString config.krebs.users.tv.uid})
               PS1='\[\e[1;32m\]\w\[\e[0m\] '
               ;;
             *)

tv/2configs/exim-smarthost.nix

@@ -5,19 +5,23 @@ with config.krebs.lib;
 {
   krebs.exim-smarthost = {
     enable = true;
-    primary_hostname = "${config.networking.hostName}.retiolum";
     sender_domains = [
+      "krebsco.de"
       "shackspace.de"
       "viljetic.de"
     ];
-    relay_from_hosts = [
+    relay_from_hosts = concatMap (host: host.nets.retiolum.addrs4) [
-      "10.243.13.37"
+      config.krebs.hosts.nomic
+      config.krebs.hosts.wu
+      config.krebs.hosts.xu
     ];
     internet-aliases = with config.krebs.users; [
+      { from = "postmaster@viljetic.de"; to = tv.mail; } # RFC 822
       { from = "mirko@viljetic.de"; to = mv.mail; }
       { from = "tomislav@viljetic.de"; to = tv.mail; }
       { from = "tv@destroy.dyn.shackspace.de"; to = tv.mail; }
       { from = "tv@viljetic.de"; to = tv.mail; }
+      { from = "tv@shackspace.de"; to = tv.mail; }
     ];
     system-aliases = [
       { from = "mailer-daemon"; to = "postmaster"; }

tv/3modules/charybdis/config.nix

@@ -0,0 +1,522 @@
+{ config, ... }: with config.krebs.lib; let
+  cfg = config.tv.charybdis;
+in toFile "charybdis.conf" ''
+  /* doc/example.conf - brief example configuration file
+   *
+   * Copyright (C) 2000-2002 Hybrid Development Team
+   * Copyright (C) 2002-2005 ircd-ratbox development team
+   * Copyright (C) 2005-2006 charybdis development team
+   *
+   * $Id: example.conf 3582 2007-11-17 21:55:48Z jilles $
+   *
+   * See reference.conf for more information.
+   */
+
+  /* Extensions */
+  #loadmodule "extensions/chm_operonly_compat.so";
+  #loadmodule "extensions/chm_quietunreg_compat.so";
+  #loadmodule "extensions/chm_sslonly_compat.so";
+  #loadmodule "extensions/createauthonly.so";
+  #loadmodule "extensions/extb_account.so";
+  #loadmodule "extensions/extb_canjoin.so";
+  #loadmodule "extensions/extb_channel.so";
+  #loadmodule "extensions/extb_extgecos.so";
+  #loadmodule "extensions/extb_oper.so";
+  #loadmodule "extensions/extb_realname.so";
+  #loadmodule "extensions/extb_server.so";
+  #loadmodule "extensions/extb_ssl.so";
+  #loadmodule "extensions/hurt.so";
+  #loadmodule "extensions/m_findforwards.so";
+  #loadmodule "extensions/m_identify.so";
+  #loadmodule "extensions/no_oper_invis.so";
+  #loadmodule "extensions/sno_farconnect.so";
+  #loadmodule "extensions/sno_globalkline.so";
+  #loadmodule "extensions/sno_globaloper.so";
+  #loadmodule "extensions/sno_whois.so";
+  loadmodule "extensions/override.so";
+
+  /*
+   * IP cloaking extensions: use ip_cloaking_4.0
+   * if you're linking 3.2 and later, otherwise use
+   * ip_cloaking.so, for compatibility with older 3.x
+   * releases.
+   */
+
+  #loadmodule "extensions/ip_cloaking_4.0.so";
+  #loadmodule "extensions/ip_cloaking.so";
+
+  serverinfo {
+    name = ${toJSON (head config.krebs.build.host.nets.retiolum.aliases)};
+    sid = "4z3";
+    description = "miep!";
+    network_name = "irc.retiolum";
+    #network_desc = "Retiolum IRC Network";
+    hub = yes;
+
+    /* On multi-homed hosts you may need the following. These define
+     * the addresses we connect from to other servers. */
+    /* for IPv4 */
+    vhost = ${concatMapStringsSep ", " toJSON config.krebs.build.host.nets.retiolum.addrs4};
+    /* for IPv6 */
+    vhost6 = ${concatMapStringsSep ", " toJSON config.krebs.build.host.nets.retiolum.addrs6};
+
+    /* ssl_private_key: our ssl private key */
+    ssl_private_key = ${toJSON cfg.ssl_private_key.path};
+
+    /* ssl_cert: certificate for our ssl server */
+    ssl_cert = ${toJSON cfg.ssl_cert};
+
+    /* ssl_dh_params: DH parameters, generate with openssl dhparam -out dh.pem 1024 */
+    ssl_dh_params = ${toJSON cfg.ssl_dh_params.path};
+
+    /* ssld_count: number of ssld processes you want to start, if you
+     * have a really busy server, using N-1 where N is the number of
+     * cpu/cpu cores you have might be useful. A number greater than one
+     * can also be useful in case of bugs in ssld and because ssld needs
+     * two file descriptors per SSL connection.
+     */
+    ssld_count = 1;
+
+    /* default max clients: the default maximum number of clients
+     * allowed to connect.  This can be changed once ircd has started by
+     * issuing:
+     *   /quote set maxclients <limit>
+     */
+    default_max_clients = 1024;
+
+    /* nicklen: enforced nickname length (for this server only; must not
+     * be longer than the maximum length set while building).
+     */
+    nicklen = 30;
+  };
+
+  admin {
+    name = "tv";
+    description = "peer";
+  };
+
+  log {
+    fname_userlog = "/dev/stderr";
+    fname_fuserlog = "/dev/stderr";
+    fname_operlog = "/dev/stderr";
+    fname_foperlog = "/dev/stderr";
+    fname_serverlog = "/dev/stderr";
+    fname_klinelog = "/dev/stderr";
+    fname_killlog = "/dev/stderr";
+    fname_operspylog = "/dev/stderr";
+    fname_ioerrorlog = "/dev/stderr";
+  };
+
+  /* class {} blocks MUST be specified before anything that uses them.  That
+   * means they must be defined before auth {} and before connect {}.
+   */
+
+  class "krebs" {
+    ping_time = 2 minutes;
+    number_per_ident = 10;
+    number_per_ip = 2048;
+    number_per_ip_global = 4096;
+    cidr_ipv4_bitlen = 24;
+    cidr_ipv6_bitlen = 64;
+    number_per_cidr = 65536;
+    max_number = 3000;
+    sendq = 1 megabyte;
+  };
+
+  class "users" {
+    ping_time = 2 minutes;
+    number_per_ident = 10;
+    number_per_ip = 1024;
+    number_per_ip_global = 4096;
+    cidr_ipv4_bitlen = 24;
+    cidr_ipv6_bitlen = 64;
+    number_per_cidr = 65536;
+    max_number = 3000;
+    sendq = 400 kbytes;
+  };
+
+  class "opers" {
+    ping_time = 5 minutes;
+    number_per_ip = 10;
+    max_number = 1000;
+    sendq = 1 megabyte;
+  };
+
+  class "server" {
+    ping_time = 5 minutes;
+    connectfreq = 5 minutes;
+    max_number = 1;
+    sendq = 4 megabytes;
+  };
+
+  listen {
+    /* defer_accept: wait for clients to send IRC handshake data before
+     * accepting them.  if you intend to use software which depends on the
+     * server replying first, such as BOPM, you should disable this feature.
+     * otherwise, you probably want to leave it on.
+     */
+    defer_accept = yes;
+
+    /* If you want to listen on a specific IP only, specify host.
+     * host definitions apply only to the following port line.
+     */
+    # XXX This is stupid because only one host is allowed[?]
+    #host = ''${concatMapStringsSep ", " toJSON (
+    #  config.krebs.build.host.nets.retiolum.addrs
+    #)};
+    port = ${toString cfg.port};
+    sslport = ${toString cfg.sslport};
+  };
+
+  /* auth {}: allow users to connect to the ircd (OLD I:)
+   * auth {} blocks MUST be specified in order of precedence.  The first one
+   * that matches a user will be used.  So place spoofs first, then specials,
+   * then general access, then restricted.
+   */
+  auth {
+    /* user: the user@host allowed to connect.  Multiple IPv4/IPv6 user
+     * lines are permitted per auth block.  This is matched against the
+     * hostname and IP address (using :: shortening for IPv6 and
+     * prepending a 0 if it starts with a colon) and can also use CIDR
+     * masks.
+     */
+    user = "*@10.243.0.0/16";
+    user = "*@42::/16";
+
+    /* password: an optional password that is required to use this block.
+     * By default this is not encrypted, specify the flag "encrypted" in
+     * flags = ...; below if it is.
+     */
+    #password = "letmein";
+
+    /* spoof: fake the users user@host to be be this.  You may either
+     * specify a host or a user@host to spoof to.  This is free-form,
+     * just do everyone a favour and dont abuse it. (OLD I: = flag)
+     */
+    #spoof = "I.still.hate.packets";
+
+    /* Possible flags in auth:
+     *
+     * encrypted                  | password is encrypted with mkpasswd
+     * spoof_notice               | give a notice when spoofing hosts
+     * exceed_limit (old > flag)  | allow user to exceed class user limits
+     * kline_exempt (old ^ flag)  | exempt this user from k/g/xlines&dnsbls
+     * dnsbl_exempt		      | exempt this user from dnsbls
+     * spambot_exempt	      | exempt this user from spambot checks
+     * shide_exempt		      | exempt this user from serverhiding
+     * jupe_exempt                | exempt this user from generating
+     *                              warnings joining juped channels
+     * resv_exempt		      | exempt this user from resvs
+     * flood_exempt               | exempt this user from flood limits
+     *                                     USE WITH CAUTION.
+     * no_tilde     (old - flag)  | don't prefix ~ to username if no ident
+     * need_ident   (old + flag)  | require ident for user in this class
+     * need_ssl                   | require SSL/TLS for user in this class
+     * need_sasl                  | require SASL id for user in this class
+     */
+    flags = kline_exempt, exceed_limit, flood_exempt;
+
+    /* class: the class the user is placed in */
+    class = "krebs";
+  };
+
+  auth {
+    user = "*@*";
+    class = "users";
+  };
+
+  /* privset {} blocks MUST be specified before anything that uses them.  That
+   * means they must be defined before operator {}.
+   */
+  privset "local_op" {
+    privs = oper:local_kill, oper:operwall;
+  };
+
+  privset "server_bot" {
+    extends = "local_op";
+    privs = oper:kline, oper:remoteban, snomask:nick_changes;
+  };
+
+  privset "global_op" {
+    extends = "local_op";
+    privs = oper:global_kill, oper:routing, oper:kline, oper:unkline, oper:xline,
+      oper:resv, oper:mass_notice, oper:remoteban;
+  };
+
+  privset "admin" {
+    extends = "global_op";
+    privs = oper:admin, oper:die, oper:rehash, oper:spy, oper:override;
+  };
+
+  privset "aids" {
+    privs = oper:override, oper:rehash;
+  };
+
+  operator "aids" {
+    user = "*@10.243.*";
+    privset = "aids";
+    flags = ~encrypted;
+    password = "balls";
+  };
+
+  operator "god" {
+    /* name: the name of the oper must go above */
+
+    /* user: the user@host required for this operator.  CIDR *is*
+     * supported now. auth{} spoofs work here, other spoofs do not.
+     * multiple user="" lines are supported.
+     */
+    user = "*god@127.0.0.1";
+
+    /* password: the password required to oper.  Unless ~encrypted is
+     * contained in flags = ...; this will need to be encrypted using
+     * mkpasswd, MD5 is supported
+     */
+    password = "5";
+
+    /* rsa key: the public key for this oper when using Challenge.
+     * A password should not be defined when this is used, see
+     * doc/challenge.txt for more information.
+     */
+    #rsa_public_key_file = "/usr/local/ircd/etc/oper.pub";
+
+    /* umodes: the specific umodes this oper gets when they oper.
+     * If this is specified an oper will not be given oper_umodes
+     * These are described above oper_only_umodes in general {};
+     */
+    #umodes = locops, servnotice, operwall, wallop;
+
+    /* fingerprint: if specified, the oper's client certificate
+     * fingerprint will be checked against the specified fingerprint
+     * below.
+     */
+    #fingerprint = "c77106576abf7f9f90cca0f63874a60f2e40a64b";
+
+    /* snomask: specific server notice mask on oper up.
+     * If this is specified an oper will not be given oper_snomask.
+     */
+    snomask = "+Zbfkrsuy";
+
+    /* flags: misc options for the operator.  You may prefix an option
+     * with ~ to disable it, e.g. ~encrypted.
+     *
+     * Default flags are encrypted.
+     *
+     * Available options:
+     *
+     * encrypted:    the password above is encrypted [DEFAULT]
+     * need_ssl:     must be using SSL/TLS to oper up
+     */
+    flags = encrypted;
+
+    /* privset: privileges set to grant */
+    privset = "admin";
+  };
+
+  service {
+    name = "services.int";
+  };
+
+  cluster {
+    name = "*";
+    flags = kline, tkline, unkline, xline, txline, unxline, resv, tresv, unresv;
+  };
+
+  shared {
+    oper = "*@*", "*";
+    flags = all, rehash;
+  };
+
+  /* exempt {}: IPs that are exempt from Dlines and rejectcache. (OLD d:) */
+  exempt {
+    ip = "127.0.0.1";
+  };
+
+  channel {
+    use_invex = yes;
+    use_except = yes;
+    use_forward = yes;
+    use_knock = yes;
+    knock_delay = 5 minutes;
+    knock_delay_channel = 1 minute;
+    max_chans_per_user = 15;
+    max_bans = 100;
+    max_bans_large = 500;
+    default_split_user_count = 0;
+    default_split_server_count = 0;
+    no_create_on_split = no;
+    no_join_on_split = no;
+    burst_topicwho = yes;
+    kick_on_split_riding = no;
+    only_ascii_channels = no;
+    resv_forcepart = yes;
+    channel_target_change = yes;
+    disable_local_channels = no;
+  };
+
+  serverhide {
+    flatten_links = yes;
+    links_delay = 5 minutes;
+    hidden = no;
+    disable_hidden = no;
+  };
+
+  /* These are the blacklist settings.
+   * You can have multiple combinations of host and rejection reasons.
+   * They are used in pairs of one host/rejection reason.
+   *
+   * These settings should be adequate for most networks, and are (presently)
+   * required for use on StaticBox.
+   *
+   * Word to the wise: Do not use blacklists like SPEWS for blocking IRC
+   * connections.
+   *
+   * As of charybdis 2.2, you can do some keyword substitution on the rejection
+   * reason. The available keyword substitutions are:
+   *
+   *   ''${ip}           - the user's IP
+   *   ''${host}         - the user's canonical hostname
+   *   ''${dnsbl-host}   - the dnsbl hostname the lookup was done against
+   *   ''${nick}         - the user's nickname
+   *   ''${network-name} - the name of the network
+   *
+   * As of charybdis 3.4, a type parameter is supported, which specifies the
+   * address families the blacklist supports. IPv4 and IPv6 are supported.
+   * IPv4 is currently the default as few blacklists support IPv6 operation
+   * as of this writing.
+   *
+   * Note: AHBL (the providers of the below *.ahbl.org BLs) request that they be
+   * contacted, via email, at admins@2mbit.com before using these BLs.
+   * See <http://www.ahbl.org/services.php> for more information.
+   */
+  blacklist {
+    host = "rbl.efnetrbl.org";
+    type = ipv4;
+    reject_reason = "''${nick}, your IP (''${ip}) is listed in EFnet's RBL. For assistance, see http://efnetrbl.org/?i=''${ip}";
+
+  #	host = "ircbl.ahbl.org";
+  #	type = ipv4;
+  #	reject_reason = "''${nick}, your IP (''${ip}) is listed in ''${dnsbl-host} for having an open proxy. In order to protect ''${network-name} from abuse, we are not allowing connections with open proxies to connect.";
+  #
+  #	host = "tor.ahbl.org";
+  #	type = ipv4;
+  #	reject_reason = "''${nick}, your IP (''${ip}) is listed as a TOR exit node. In order to protect ''${network-name} from tor-based abuse, we are not allowing TOR exit nodes to connect to our network.";
+  #
+    /* Example of a blacklist that supports both IPv4 and IPv6 */
+  #	host = "foobl.blacklist.invalid";
+  #	type = ipv4, ipv6;
+  #	reject_reason = "''${nick}, your IP (''${ip}) is listed in ''${dnsbl-host} for some reason. In order to protect ''${network-name} from abuse, we are not allowing connections listed in ''${dnsbl-host} to connect";
+  };
+
+  alias "NickServ" {
+    target = "NickServ";
+  };
+
+  alias "ChanServ" {
+    target = "ChanServ";
+  };
+
+  alias "OperServ" {
+    target = "OperServ";
+  };
+
+  alias "MemoServ" {
+    target = "MemoServ";
+  };
+
+  alias "NS" {
+    target = "NickServ";
+  };
+
+  alias "CS" {
+    target = "ChanServ";
+  };
+
+  alias "OS" {
+    target = "OperServ";
+  };
+
+  alias "MS" {
+    target = "MemoServ";
+  };
+
+  general {
+    hide_error_messages = opers;
+    hide_spoof_ips = yes;
+
+    /*
+     * default_umodes: umodes to enable on connect.
+     * If you have enabled the new ip_cloaking_4.0 module, and you want
+     * to make use of it, add +x to this option, i.e.:
+     *      default_umodes = "+ix";
+     *
+     * If you have enabled the old ip_cloaking module, and you want
+     * to make use of it, add +h to this option, i.e.:
+     *	default_umodes = "+ih";
+     */
+    default_umodes = "+i";
+
+    default_operstring = "is an IRC Operator";
+    default_adminstring = "is a Server Administrator";
+    servicestring = "is a Network Service";
+    disable_fake_channels = no;
+    tkline_expire_notices = no;
+    default_floodcount = 1000;
+    failed_oper_notice = yes;
+    dots_in_ident=2;
+    min_nonwildcard = 4;
+    min_nonwildcard_simple = 3;
+    max_accept = 100;
+    max_monitor = 100;
+    anti_nick_flood = yes;
+    max_nick_time = 20 seconds;
+    max_nick_changes = 5;
+    anti_spam_exit_message_time = 5 minutes;
+    ts_warn_delta = 30 seconds;
+    ts_max_delta = 5 minutes;
+    client_exit = yes;
+    collision_fnc = yes;
+    resv_fnc = yes;
+    global_snotices = yes;
+    dline_with_reason = yes;
+    kline_delay = 0 seconds;
+    kline_with_reason = yes;
+    kline_reason = "K-Lined";
+    identify_service = "NickServ@services.int";
+    identify_command = "IDENTIFY";
+    non_redundant_klines = yes;
+    warn_no_nline = yes;
+    use_propagated_bans = yes;
+    stats_e_disabled = no;
+    stats_c_oper_only=no;
+    stats_h_oper_only=no;
+    client_flood_max_lines = 16000;
+    client_flood_burst_rate = 32000;
+    client_flood_burst_max = 32000;
+    client_flood_message_num = 32000;
+    client_flood_message_time = 32000;
+    use_whois_actually = no;
+    oper_only_umodes = operwall, locops, servnotice;
+    oper_umodes = locops, servnotice, operwall, wallop;
+    oper_snomask = "+s";
+    burst_away = yes;
+    nick_delay = 0 seconds; # 15 minutes if you want to enable this
+    reject_ban_time = 1 minute;
+    reject_after_count = 3;
+    reject_duration = 5 minutes;
+    throttle_duration = 60;
+    throttle_count = 4;
+    max_ratelimit_tokens = 30;
+    away_interval = 30;
+    disable_auth = yes;
+  };
+
+  modules {
+    path = "modules";
+    path = "modules/autoload";
+  };
+
+  exempt {
+    ip = "10.243.0.0/16";
+  };
+''

tv/3modules/charybdis/default.nix

@@ -0,0 +1,80 @@
+{ config, lib, pkgs, ... }@args: with config.krebs.lib; let
+  cfg = config.tv.charybdis;
+in {
+  options.tv.charybdis = {
+    enable = mkEnableOption "tv.charybdis";
+    motd = mkOption {
+      type = types.str;
+      default = "/join #retiolum";
+    };
+    port = mkOption {
+      type = types.int;
+      default = 6667;
+    };
+    ssl_cert = mkOption {
+      type = types.path;
+    };
+    ssl_dh_params = mkOption {
+      type = types.secret-file;
+      default = {
+        path = "${cfg.user.home}/dh.pem";
+        owner = cfg.user;
+        source-path = toString <secrets> + "/charybdis.dh.pem";
+      };
+    };
+    ssl_private_key = mkOption {
+      type = types.secret-file;
+      default = {
+        path = "${cfg.user.home}/ssl.key.pem";
+        owner = cfg.user;
+        source-path = toString <secrets> + "/charybdis.key.pem";
+      };
+    };
+    sslport = mkOption {
+      type = types.int;
+      default = 6697;
+    };
+    user = mkOption {
+      type = types.user;
+      default = {
+        name = "charybdis";
+        home = "/var/lib/charybdis";
+      };
+    };
+  };
+  config = lib.mkIf cfg.enable {
+
+    krebs.secret.files.charybdis-ssl_dh_params = cfg.ssl_dh_params;
+    krebs.secret.files.charybdis-ssl_private_key = cfg.ssl_private_key;
+
+    environment.etc."charybdis-ircd.motd".text = cfg.motd;
+
+    systemd.services.charybdis = {
+      wantedBy = [ "multi-user.target" ];
+      requires = [ "secret.service" ];
+      after = [ "network.target" "secret.service" ];
+      environment = {
+        BANDB_DBPATH = "${cfg.user.home}/ban.db";
+      };
+      serviceConfig = {
+        SyslogIdentifier = "charybdis";
+        User = cfg.user.name;
+        PrivateTmp = true;
+        Restart = "always";
+        ExecStartPre =
+          "${pkgs.coreutils}/bin/ln -s /etc/charybdis-ircd.motd /tmp/ircd.motd";
+        ExecStart = toString [
+          "${pkgs.charybdis}/bin/charybdis-ircd"
+            "-configfile ${import ./config.nix args}"
+            "-foreground"
+            "-logfile /dev/stderr"
+        ];
+      };
+    };
+
+    users.users.${cfg.user.name} = {
+      inherit (cfg.user) home name uid;
+      createHome = true;
+    };
+  };
+}

tv/3modules/default.nix

@@ -2,7 +2,8 @@ _:
 
 {
   imports = [
-    ./ejabberd.nix
+    ./charybdis
+    ./ejabberd
     ./iptables.nix
   ];
 }

tv/3modules/ejabberd.nix

@@ -1,165 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-with config.krebs.lib;
-let
-  cfg = config.tv.ejabberd;
-
-  out = {
-    options.tv.ejabberd = api;
-    config = lib.mkIf cfg.enable imp;
-  };
-
-  api = {
-    enable = mkEnableOption "tv.ejabberd";
-
-    certFile = mkOption {
-      type = types.str;
-      default = toString <secrets/ejabberd.pem>;
-    };
-
-    hosts = mkOption {
-      type = with types; listOf str;
-    };
-  };
-
-  imp = {
-    environment.systemPackages = [ my-ejabberdctl ];
-
-    systemd.services.ejabberd = {
-      wantedBy = [ "multi-user.target" ];
-      after = [ "network.target" ];
-      serviceConfig = {
-        Type = "oneshot";
-        RemainAfterExit = "yes";
-        PermissionsStartOnly = "true";
-        SyslogIdentifier = "ejabberd";
-        User = user.name;
-        ExecStartPre = pkgs.writeScript "ejabberd-start" ''
-          #! /bin/sh
-          install -o ${user.name} -m 0400 ${cfg.certFile} /etc/ejabberd/ejabberd.pem
-        '';
-        ExecStart = pkgs.writeScript "ejabberd-service" ''
-          #! /bin/sh
-          ${my-ejabberdctl}/bin/ejabberdctl start
-        '';
-      };
-    };
-
-    users.extraUsers = singleton {
-      inherit (user) name uid;
-      home = "/var/ejabberd";
-      createHome = true;
-    };
-  };
-
-  user = rec {
-    name = "ejabberd";
-    uid = genid name;
-  };
-
-  my-ejabberdctl = pkgs.writeScriptBin "ejabberdctl" ''
-    #! /bin/sh
-    set -euf
-    exec env \
-        SPOOLDIR=/var/ejabberd \
-        EJABBERD_CONFIG_PATH=${config-file} \
-      ${pkgs.ejabberd}/bin/ejabberdctl \
-        --logs /var/ejabberd \
-        "$@"
-  '';
-
-  config-file = pkgs.writeText "ejabberd.cfg" ''
-    {loglevel, 3}.
-    {hosts, ${toErlang cfg.hosts}}.
-    {listen,
-     [
-      {5222, ejabberd_c2s, [
-          starttls,
-          {certfile, "/etc/ejabberd/ejabberd.pem"},
-          {access, c2s},
-          {shaper, c2s_shaper},
-          {max_stanza_size, 65536}
-               ]},
-      {5269, ejabberd_s2s_in, [
-             {shaper, s2s_shaper},
-             {max_stanza_size, 131072}
-            ]},
-      {5280, ejabberd_http, [
-           captcha,
-           http_bind,
-           http_poll,
-           web_admin
-          ]}
-     ]}.
-    {s2s_use_starttls, required}.
-    {s2s_certfile, "/etc/ejabberd/ejabberd.pem"}.
-    {auth_method, internal}.
-    {shaper, normal, {maxrate, 1000}}.
-    {shaper, fast, {maxrate, 50000}}.
-    {max_fsm_queue, 1000}.
-    {acl, local, {user_regexp, ""}}.
-    {access, max_user_sessions, [{10, all}]}.
-    {access, max_user_offline_messages, [{5000, admin}, {100, all}]}.
-    {access, local, [{allow, local}]}.
-    {access, c2s, [{deny, blocked},
-             {allow, all}]}.
-    {access, c2s_shaper, [{none, admin},
-              {normal, all}]}.
-    {access, s2s_shaper, [{fast, all}]}.
-    {access, announce, [{allow, admin}]}.
-    {access, configure, [{allow, admin}]}.
-    {access, muc_admin, [{allow, admin}]}.
-    {access, muc_create, [{allow, local}]}.
-    {access, muc, [{allow, all}]}.
-    {access, pubsub_createnode, [{allow, local}]}.
-    {access, register, [{allow, all}]}.
-    {language, "en"}.
-    {modules,
-     [
-      {mod_adhoc,    []},
-      {mod_announce, [{access, announce}]},
-      {mod_blocking,[]},
-      {mod_caps,     []},
-      {mod_configure,[]},
-      {mod_disco,    []},
-      {mod_irc,      []},
-      {mod_http_bind, []},
-      {mod_last,     []},
-      {mod_muc,      [
-          {access, muc},
-          {access_create, muc_create},
-          {access_persistent, muc_create},
-          {access_admin, muc_admin}
-         ]},
-      {mod_offline,  [{access_max_user_messages, max_user_offline_messages}]},
-      {mod_ping,     []},
-      {mod_privacy,  []},
-      {mod_private,  []},
-      {mod_pubsub,   [
-          {access_createnode, pubsub_createnode},
-          {ignore_pep_from_offline, true},
-          {last_item_cache, false},
-          {plugins, ["flat", "hometree", "pep"]}
-         ]},
-      {mod_register, [
-          {welcome_message, {"Welcome!",
-                 "Hi.\nWelcome to this XMPP server."}},
-          {ip_access, [{allow, "127.0.0.0/8"},
-                 {deny, "0.0.0.0/0"}]},
-          {access, register}
-         ]},
-      {mod_roster,   []},
-      {mod_shared_roster,[]},
-      {mod_stats,    []},
-      {mod_time,     []},
-      {mod_vcard,    []},
-      {mod_version,  []}
-     ]}.
-  '';
-
-
-  # XXX this is a placeholder that happens to work the default strings.
-  toErlang = builtins.toJSON;
-
-in
-out

tv/3modules/ejabberd/config.nix

@@ -0,0 +1,93 @@
+{ config, ... }: with config.krebs.lib; let
+  cfg = config.tv.ejabberd;
+
+  # XXX this is a placeholder that happens to work the default strings.
+  toErlang = builtins.toJSON;
+in toFile "ejabberd.conf" ''
+  {loglevel, 3}.
+  {hosts, ${toErlang cfg.hosts}}.
+  {listen,
+   [
+    {5222, ejabberd_c2s, [
+        starttls,
+        {certfile, ${toErlang cfg.certfile.path}},
+        {access, c2s},
+        {shaper, c2s_shaper},
+        {max_stanza_size, 65536}
+             ]},
+    {5269, ejabberd_s2s_in, [
+           {shaper, s2s_shaper},
+           {max_stanza_size, 131072}
+          ]},
+    {5280, ejabberd_http, [
+         captcha,
+         http_bind,
+         http_poll,
+         web_admin
+        ]}
+   ]}.
+  {s2s_use_starttls, required}.
+  {s2s_certfile, ${toErlang cfg.s2s_certfile.path}}.
+  {auth_method, internal}.
+  {shaper, normal, {maxrate, 1000}}.
+  {shaper, fast, {maxrate, 50000}}.
+  {max_fsm_queue, 1000}.
+  {acl, local, {user_regexp, ""}}.
+  {access, max_user_sessions, [{10, all}]}.
+  {access, max_user_offline_messages, [{5000, admin}, {100, all}]}.
+  {access, local, [{allow, local}]}.
+  {access, c2s, [{deny, blocked},
+           {allow, all}]}.
+  {access, c2s_shaper, [{none, admin},
+            {normal, all}]}.
+  {access, s2s_shaper, [{fast, all}]}.
+  {access, announce, [{allow, admin}]}.
+  {access, configure, [{allow, admin}]}.
+  {access, muc_admin, [{allow, admin}]}.
+  {access, muc_create, [{allow, local}]}.
+  {access, muc, [{allow, all}]}.
+  {access, pubsub_createnode, [{allow, local}]}.
+  {access, register, [{allow, all}]}.
+  {language, "en"}.
+  {modules,
+   [
+    {mod_adhoc,    []},
+    {mod_announce, [{access, announce}]},
+    {mod_blocking,[]},
+    {mod_caps,     []},
+    {mod_configure,[]},
+    {mod_disco,    []},
+    {mod_irc,      []},
+    {mod_http_bind, []},
+    {mod_last,     []},
+    {mod_muc,      [
+        {access, muc},
+        {access_create, muc_create},
+        {access_persistent, muc_create},
+        {access_admin, muc_admin}
+       ]},
+    {mod_offline,  [{access_max_user_messages, max_user_offline_messages}]},
+    {mod_ping,     []},
+    {mod_privacy,  []},
+    {mod_private,  []},
+    {mod_pubsub,   [
+        {access_createnode, pubsub_createnode},
+        {ignore_pep_from_offline, true},
+        {last_item_cache, false},
+        {plugins, ["flat", "hometree", "pep"]}
+       ]},
+    {mod_register, [
+        {welcome_message, {"Welcome!",
+               "Hi.\nWelcome to this XMPP server."}},
+        {ip_access, [{allow, "127.0.0.0/8"},
+               {deny, "0.0.0.0/0"}]},
+        {access, register}
+       ]},
+    {mod_roster,   []},
+    {mod_shared_roster,[]},
+    {mod_stats,    []},
+    {mod_time,     []},
+    {mod_vcard,    []},
+    {mod_version,  []}
+   ]}.
+''

tv/3modules/ejabberd/default.nix

@@ -0,0 +1,67 @@
+{ config, lib, pkgs, ... }@args: with config.krebs.lib; let
+  cfg = config.tv.ejabberd;
+in {
+  options.tv.ejabberd = {
+    enable = mkEnableOption "tv.ejabberd";
+    certfile = mkOption {
+      type = types.secret-file;
+      default = {
+        path = "${cfg.user.home}/ejabberd.pem";
+        owner = cfg.user;
+        source-path = toString <secrets> + "/ejabberd.pem";
+      };
+    };
+    hosts = mkOption {
+      type = with types; listOf str;
+    };
+    pkgs.ejabberdctl = mkOption {
+      type = types.package;
+      default = pkgs.writeDashBin "ejabberdctl" ''
+        set -efu
+        export SPOOLDIR=${shell.escape cfg.user.home}
+        export EJABBERD_CONFIG_PATH=${shell.escape (import ./config.nix args)}
+        exec ${pkgs.ejabberd}/bin/ejabberdctl \
+            --logs ${shell.escape cfg.user.home} \
+            "$@"
+      '';
+    };
+    s2s_certfile = mkOption {
+      type = types.secret-file;
+      default = cfg.certfile;
+    };
+    user = mkOption {
+      type = types.user;
+      default = {
+        name = "ejabberd";
+        home = "/var/ejabberd";
+      };
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = [ cfg.pkgs.ejabberdctl ];
+
+    krebs.secret.files = {
+      ejabberd-certfile = cfg.certfile;
+      ejabberd-s2s_certfile = cfg.s2s_certfile;
+    };
+
+    systemd.services.ejabberd = {
+      wantedBy = [ "multi-user.target" ];
+      requires = [ "secret.service" ];
+      after = [ "network.target" "secret.service" ];
+      serviceConfig = {
+        Type = "oneshot";
+        RemainAfterExit = "yes";
+        PermissionsStartOnly = "true";
+        SyslogIdentifier = "ejabberd";
+        User = cfg.user.name;
+        ExecStart = "${cfg.pkgs.ejabberdctl}/bin/ejabberdctl start";
+      };
+    };
+
+    users.users.${cfg.user.name} = {
+      inherit (cfg.user) home name uid;
+      createHome = true;
+    };
+  };
+}