Merge remote-tracking branch 'cloudkrebs/master'

1 files changed, 205 insertions, 0 deletions

diff --git a/lass/2configs/default.nix b/lass/2configs/default.nix
new file mode 100644
index 000000000..ee320b9c9
--- /dev/null
+++ b/lass/2configs/default.nix
@@ -0,0 +1,205 @@
+{ config, lib, pkgs, ... }:
+
+with config.krebs.lib;
+{
+  imports = [
+    ../2configs/vim.nix
+    ../2configs/zsh.nix
+    ../2configs/mc.nix
+    ../2configs/retiolum.nix
+    ./backups.nix
+    {
+      users.extraUsers =
+        mapAttrs (_: h: { hashedPassword = h; })
+                 (import <secrets/hashedPasswords.nix>);
+    }
+    {
+      users.extraUsers = {
+        root = {
+          openssh.authorizedKeys.keys = [
+            config.krebs.users.lass.pubkey
+            config.krebs.users.lass-uriel.pubkey
+            config.krebs.users.lass-shodan.pubkey
+          ];
+        };
+        mainUser = {
+          name = "lass";
+          uid = 1337;
+          home = "/home/lass";
+          group = "users";
+          createHome = true;
+          useDefaultShell = true;
+          extraGroups = [
+          ];
+          openssh.authorizedKeys.keys = [
+            config.krebs.users.lass.pubkey
+            config.krebs.users.lass-uriel.pubkey
+            config.krebs.users.lass-shodan.pubkey
+          ];
+        };
+      };
+    }
+  ];
+
+  networking.hostName = config.krebs.build.host.name;
+  nix.maxJobs = config.krebs.build.host.cores;
+
+  krebs = {
+    enable = true;
+    search-domain = "retiolum";
+    build = {
+      user = config.krebs.users.lass;
+      source = mapAttrs (_: mkDefault) ({
+        nixos-config = "symlink:stockholm/lass/1systems/${config.krebs.build.host.name}.nix";
+        secrets = "/home/lass/secrets/${config.krebs.build.host.name}";
+        #secrets-common = "/home/lass/secrets/common";
+        stockholm = "/home/lass/stockholm";
+        nixpkgs = {
+          url = https://github.com/NixOS/nixpkgs;
+          rev = "d541e0dc1c05f5514bf30f8039e687adddb45616";
+          dev = "/home/lass/src/nixpkgs";
+        };
+      } // optionalAttrs config.krebs.build.host.secure {
+        #secrets-master = "/home/lass/secrets/master";
+      });
+    };
+  };
+
+  nix.useChroot = true;
+
+  users.mutableUsers = false;
+
+  services.timesyncd.enable = true;
+
+  #why is this on in the first place?
+  services.nscd.enable = 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
+    MANPAGER=most
+  '';
+
+  nixpkgs.config.allowUnfree = true;
+
+  environment.systemPackages = with pkgs; [
+  #stockholm
+    git
+    gnumake
+    jq
+    parallel
+    proot
+
+  #style
+    most
+    rxvt_unicode.terminfo
+
+  #monitoring tools
+    htop
+    iotop
+
+  #network
+    iptables
+    iftop
+
+  #stuff for dl
+    aria2
+
+  #neat utils
+    krebspaste
+    psmisc
+    untilport
+
+  #unpack stuff
+    p7zip
+    unzip
+    unrar
+  ];
+
+  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
+    '';
+  };
+
+  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
+  '';
+
+  krebs.iptables = {
+    enable = true;
+    tables = {
+      nat.PREROUTING.rules = [
+        { predicate = "! -i retiolum -p tcp -m tcp --dport 22"; target = "REDIRECT --to-ports 0"; precedence = 100; }
+        { predicate = "-p tcp -m tcp --dport 45621"; target = "REDIRECT --to-ports 22"; precedence = 99; }
+      ];
+      nat.OUTPUT.rules = [
+        { predicate = "-o lo -p tcp -m tcp --dport 45621"; target = "REDIRECT --to-ports 22"; precedence = 100; }
+      ];
+      filter.INPUT.policy = "DROP";
+      filter.FORWARD.policy = "DROP";
+      filter.INPUT.rules = [
+        { predicate = "-m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; precedence = 10001; }
+        { predicate = "-p icmp"; target = "ACCEPT"; precedence = 10000; }
+        { predicate = "-i lo"; target = "ACCEPT"; precedence = 9999; }
+        { predicate = "-p tcp --dport 22"; target = "ACCEPT"; precedence = 9998; }
+        { predicate = "-i retiolum"; target = "REJECT"; precedence = -10000; }
+      ];
+    };
+  };
+
+  networking.dhcpcd.extraConfig = ''
+    noipv4ll
+  '';
+
+  #CVE-2016-0777 and CVE-2016-0778 workaround
+  #https://www.qualys.com/2016/01/14/cve-2016-0777-cve-2016-0778/openssh-cve-2016-0777-cve-2016-0778.txt
+  programs.ssh.extraConfig = ''
+    UseRoaming no
+  '';
+
+}