1 files changed, 136 insertions, 0 deletions
diff --git a/2configs/lass/base.nix b/2configs/lass/base.nix
new file mode 100644
index 000000000..5e5b8a7b1
--- /dev/null
+++ b/2configs/lass/base.nix
@@ -0,0 +1,136 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+{
+  imports = [
+    ./sshkeys.nix
+    ../../3modules/lass/iptables.nix
+    {
+      users.extraUsers =
+        mapAttrs (_: h: { hashedPassword = h; })
+                 (import /root/src/secrets/hashedPasswords.nix);
+    }
+
+  ];
+
+  nix.useChroot = true;
+
+  users.mutableUsers = false;
+
+  boot.tmpOnTmpfs = true;
+  # see tmpfiles.d(5)
+  systemd.tmpfiles.rules = [
+    "d /tmp 1777 root root - -"
+  ];
+
+  # multiple-definition-problem when defining environment.variables.EDITOR
+  environment.extraInit = ''
+    EDITOR=vim
+    PAGER=most
+  '';
+
+  environment.systemPackages = with pkgs; [
+    git
+    most
+    rxvt_unicode.terminfo
+
+  #network
+    iptables
+  ];
+
+  programs.bash = {
+    enableCompletion = true;
+    interactiveShellInit = ''
+      HISTCONTROL='erasedups:ignorespace'
+      HISTSIZE=65536
+      HISTFILESIZE=$HISTSIZE
+
+      shopt -s checkhash
+      shopt -s histappend histreedit histverify
+      shopt -s no_empty_cmd_completion
+      complete -d cd
+
+      #fancy colors
+      if [ -e ~/LS_COLORS ]; then
+        eval $(dircolors ~/LS_COLORS)
+      fi
+
+      if [ -e /etc/nixos/dotfiles/link ]; then
+        /etc/nixos/dotfiles/link
+      fi
+    '';
+    promptInit = ''
+      if test $UID = 0; then
+        PS1='\[\033[1;31m\]\w\[\033[0m\] '
+      elif test $UID = 1337; then
+        PS1='\[\033[1;32m\]\w\[\033[0m\] '
+      else
+        PS1='\[\033[1;33m\]\u@\w\[\033[0m\] '
+      fi
+      if test -n "$SSH_CLIENT"; then
+        PS1='\[\033[35m\]\h'" $PS1"
+      fi
+    '';
+  };
+
+  security.setuidPrograms = [
+    "sendmail"
+  ];
+
+  services.gitolite = {
+    enable = true;
+    dataDir = "/home/gitolite";
+    adminPubkey = config.sshKeys.lass.pub;
+  };
+
+  services.openssh = {
+    enable = true;
+    hostKeys = [
+      # XXX bits here make no science
+      { bits = 8192; type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
+    ];
+  };
+
+  services.journald.extraConfig = ''
+    SystemMaxUse=1G
+    RuntimeMaxUse=128M
+  '';
+
+  lass.iptables = {
+    enable = true;
+    tables = {
+      filter.INPUT.policy = "DROP";
+      filter.FORWARD.policy = "DROP";
+      filter.INPUT.rules = [
+        { predicate = "-i lo"; target = "ACCEPT"; }
+        { predicate = "-m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; }
+        { predicate = "-p icmp"; target = "ACCEPT"; }
+        { predicate = "-p tcp --dport 22"; target = "ACCEPT"; }
+      ];
+    };
+  };
+
+  #Networking.firewall = {
+  #  enable = true;
+
+  #  allowedTCPPorts = [
+  #    22
+  #  ];
+
+  #  extraCommands = ''
+  #    iptables -A INPUT -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
+  #    iptables -A INPUT -j ACCEPT -i lo
+  #    #http://serverfault.com/questions/84963/why-not-block-icmp
+  #    iptables -A INPUT -j ACCEPT -p icmp
+
+  #    #TODO: fix Retiolum firewall
+  #    #iptables -N RETIOLUM
+  #    #iptables -A INPUT -j RETIOLUM -i retiolum
+  #    #iptables -A RETIOLUM -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
+  #    #iptables -A RETIOLUM -j REJECT -p tcp --reject-with tcp-reset
+  #    #iptables -A RETIOLUM -j REJECT -p udp --reject-with icmp-port-unreachable
+  #    #iptables -A RETIOLUM -j REJECT        --reject-with icmp-proto-unreachable
+  #    #iptables -A RETIOLUM -j REJECT
+  #  '';
+  #};
+}