482 lines
12 KiB
Nix
482 lines
12 KiB
Nix
# TODO maybe give RT-stuff only to group rt or sth.
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{ config, pkgs, ... }:
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let
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lib = import ../../lib { inherit pkgs; };
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inherit (lib) majmin;
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in
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{
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imports = [
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<secrets/mu.hashedPasswords.nix>
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../common/nixpkgs.nix
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../tv/base.nix
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../tv/exim-retiolum.nix
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../tv/retiolum.nix
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../tv/sanitize.nix
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];
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nix.maxJobs = 2;
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nixpkgs = {
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url = "https://github.com/NixOS/nixpkgs";
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rev = "4c01e6d91993b6de128795f4fbdd25f6227fb870";
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};
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services.udev.extraRules = ''
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SUBSYSTEM=="net", ATTR{address}=="00:90:f5:da:aa:c3", NAME="en0"
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SUBSYSTEM=="net", ATTR{address}=="a0:88:b4:1b:ae:6c", NAME="wl0"
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# for jack
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KERNEL=="rtc0", GROUP="audio"
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KERNEL=="hpet", GROUP="audio"
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'';
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# hardware configuration
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boot.initrd.luks.devices = [
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{ name = "vgmu1"; device = "/dev/sda2"; }
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];
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boot.initrd.luks.cryptoModules = [ "aes" "sha512" "xts" ];
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boot.initrd.availableKernelModules = [ "ahci" ];
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#boot.kernelParams = [
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# "intel_pstate=enable"
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#];
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boot.kernelModules = [ "fbcon" "kvm-intel" ];
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boot.extraModulePackages = [ ];
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#boot.kernelPackages = pkgs.linuxPackages_3_17;
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boot.kernel.sysctl = {
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# Enable IPv6 Privacy Extensions
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"net.ipv6.conf.all.use_tempaddr" = 2;
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"net.ipv6.conf.default.use_tempaddr" = 2;
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};
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boot.extraModprobeConfig = ''
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options kvm_intel nested=1
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'';
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fileSystems = {
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"/" = {
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device = "/dev/vgmu1/nixroot";
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fsType = "ext4";
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options = "defaults,noatime";
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};
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"/home" = {
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device = "/dev/vgmu1/home";
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options = "defaults,noatime";
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};
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"/boot" = {
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device = "/dev/sda1";
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};
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"/tmp" = {
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device = "tmpfs";
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fsType = "tmpfs";
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options = "nosuid,nodev,noatime";
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};
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};
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swapDevices =[ ];
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nixpkgs.config.firefox.enableAdobeFlash = true;
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nixpkgs.config.chromium.enablePepperFlash = true;
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nixpkgs.config.allowUnfree = true;
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hardware.opengl.driSupport32Bit = true;
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hardware.pulseaudio.enable = true;
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hardware.enableAllFirmware = true;
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# Use the gummiboot efi boot loader.
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boot.loader.gummiboot.enable = true;
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boot.loader.efi.canTouchEfiVariables = true;
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networking.hostName = "mu";
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#networking.wireless.enable = true;
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networking.networkmanager.enable = true;
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networking.extraHosts = ''
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'';
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#system.activationScripts.powertopTunables =
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# ''
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# #echo 1 > /sys/module/snd_hda_intel/parameters/power_save
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# echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
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# (cd /sys/bus/pci/devices
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# for i in *; do
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# echo auto > $i/power/control # defaults to 'on'
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# done)
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# # TODO maybe do this via udev or systemd
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# # ref https://wiki.archlinux.org/index.php/Wake-on-LAN
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# # disable wol this cannot find ethtool
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# # TODO (cd /sys/class/net
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# # TODO for i in *; do
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# # TODO if ethtool $i | grep -q Wake-on &&
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# # TODO ! ethtool $i | grep -q 'Wake-on: d'; then
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# # TODO ethtool -s $i wol d
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# # TODO fi
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# # TODO done)
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# ${pkgs.ethtool}/sbin/ethtool -s en0 wol d
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# '';
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environment.systemPackages = with pkgs; [
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slock
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tinc
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iptables
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vim
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gimp
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xsane
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firefoxWrapper
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chromiumDev
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skype
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libreoffice
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kde4.l10n.de
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kde4.networkmanagement
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pidgin-with-plugins
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pidginotr
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kde4.print_manager
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#foomatic_filters
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#gutenprint
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#cups_pdf_filter
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#ghostscript
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];
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environment.etc."vim/vimrc".text = ''
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set nocp
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'';
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environment.etc."vim/vim${majmin pkgs.vim.version}".source =
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"${pkgs.vim}/share/vim/vim${majmin pkgs.vim.version}";
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# multiple-definition-problem when defining environment.variables.EDITOR
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environment.extraInit = ''
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EDITOR=vim
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'';
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environment.variables.VIM = "/etc/vim";
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i18n.defaultLocale = "de_DE.UTF-8";
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environment.shellAliases = {
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# alias cal='cal -m3'
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bc = "bc -q";
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gp = "gp -q";
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df = "df -h";
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du = "du -h";
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# alias grep='grep --color=auto'
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# TODO alias cannot contain #\'
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# "ps?" = "ps ax | head -n 1;ps ax | fgrep -v ' grep --color=auto ' | grep";
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# alias la='ls -lA'
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lAtr = "ls -lAtr";
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# alias ll='ls -l'
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ls = "ls -h --color=auto --group-directories-first";
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# alias vim='vim -p'
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# alias vi='vim'
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# alias view='vim -R'
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dmesg = "dmesg -L --reltime";
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};
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programs.bash = {
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interactiveShellInit = ''
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HISTCONTROL='erasedups:ignorespace'
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HISTSIZE=65536
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HISTFILESIZE=$HISTSIZE
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shopt -s checkhash
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shopt -s histappend histreedit histverify
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shopt -s no_empty_cmd_completion
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complete -d cd
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# TODO source bridge
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'';
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promptInit = ''
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case $UID in
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0)
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PS1='\[\e[1;31m\]\w\[\e[0m\] '
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;;
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1337)
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PS1='\[\e[1;32m\]\w\[\e[0m\] '
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;;
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2000)
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PS1='\[\e[1;32m\]\w\[\e[0m\] '
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;;
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*)
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PS1='\[\e[1;35m\]\u \[\e[1;32m\]\w\[\e[0m\] '
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;;
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esac
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if test -n "$SSH_CLIENT"; then
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PS1='\[\e[35m\]\h'" $PS1"
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fi
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'';
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};
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programs.ssh.startAgent = false;
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security.setuidPrograms = [
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"sendmail" # for cron
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"slock"
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];
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security.pam.loginLimits = [
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# for jack
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{ domain = "@audio"; item = "memlock"; type = "-"; value = "unlimited"; }
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{ domain = "@audio"; item = "rtprio"; type = "-"; value = "99"; }
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];
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#services.haveged.enable = true;
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#security.rngd.enable = true;
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services.retiolum = {
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enable = true;
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hosts = /etc/nixos/hosts;
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connectTo = [
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"gum"
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"pigstarter"
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];
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};
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security.rtkit.enable = false;
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services.nscd.enable = false;
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services.ntp.enable = false;
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#services.dbus.enable = true; # rqd4 wpa_supplicant
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services.sshd.enable = true;
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# vixiecron sucks
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services.cron.enable = false;
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services.fcron.enable = true;
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fonts.fonts = [
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pkgs.xlibs.fontschumachermisc
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];
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#services.logind.extraConfig = ''
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# HandleHibernateKey=ignore
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# HandleLidSwitch=ignore
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# HandlePowerKey=ignore
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# HandleSuspendKey=ignore
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#'';
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#services.xserver.displayManager.desktopManagerHandlesLidAndPower = true;
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# Enable the OpenSSH daemon.
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services.openssh = {
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enable = true;
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hostKeys = [
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# XXX bits here make no science
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{ bits = 8192; type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
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];
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};
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# Enable CUPS to print documents.
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# services.printing.enable = true;
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services.printing = {
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enable = true;
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#drivers = [
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# #pkgs.foomatic_filters
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# #pkgs.gutenprint
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# #pkgs.cups_pdf_filter
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# #pkgs.ghostscript
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#];
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#cupsdConf = ''
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# LogLevel debug2
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#'';
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};
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# Enable the X11 windowing system.
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services.xserver.enable = true;
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#services.xserver.display = 11;
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#services.xserver.tty = 11;
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services.xserver.layout = "de";
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services.xserver.xkbOptions = "eurosign:e";
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# TODO this is host specific
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services.xserver.synaptics = {
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enable = true;
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twoFingerScroll = true;
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#accelFactor = "0.035";
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#additionalOptions = ''
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# Option "FingerHigh" "60"
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# Option "FingerLow" "60"
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#'';
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};
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services.xserver.desktopManager.kde4.enable = true;
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services.xserver.displayManager.auto = {
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enable = true;
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user = "vv";
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};
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users.defaultUserShell = "/run/current-system/sw/bin/bash";
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users.mutableUsers = false;
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users.extraGroups =
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{
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};
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users.extraUsers =
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{
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tv = {
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uid = 1337;
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name = "tv";
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group = "users";
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home = "/home/tv";
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useDefaultShell = true;
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extraGroups = [
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"audio"
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"video"
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"wheel"
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];
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createHome = true;
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};
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vv = {
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uid = 2000;
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name = "vv";
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home = "/home/vv";
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createHome = true;
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group = "users";
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useDefaultShell = true;
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extraGroups = [
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"audio"
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"video"
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"networkmanager"
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];
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};
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};
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services.journald.extraConfig = ''
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SystemMaxUse=1G
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RuntimeMaxUse=128M
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'';
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# see tmpfiles.d(5)
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systemd.tmpfiles.rules = [
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"d /tmp 1777 root root - -" # does this work with mounted /tmp?
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];
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# TODO services.smartd
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# TODO services.statsd
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# TODO services.tor
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# TODO write arandr
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# TODO what does system.copySystemConfiguration (we need some kind of bku scheme)
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# TODO systemd.timers instead of cron(??)
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virtualisation.libvirtd.enable = true;
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#
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# iptables
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#
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networking.firewall.enable = false;
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system.activationScripts.iptables =
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let
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log = false;
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when = c: f: if c then f else "";
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in
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''
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ip4tables() { ${pkgs.iptables}/sbin/iptables "$@"; }
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ip6tables() { ${pkgs.iptables}/sbin/ip6tables "$@"; }
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ipXtables() { ip4tables "$@"; ip6tables "$@"; }
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#
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# nat
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#
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# reset tables
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ipXtables -t nat -F
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ipXtables -t nat -X
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#
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ipXtables -t nat -A PREROUTING -j REDIRECT ! -i retiolum -p tcp --dport ssh --to-ports 0
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ipXtables -t nat -A PREROUTING -j REDIRECT -p tcp --dport 11423 --to-ports ssh
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#
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# filter
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#
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# reset tables
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ipXtables -P INPUT DROP
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ipXtables -P FORWARD DROP
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ipXtables -F
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ipXtables -X
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# create custom chains
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ipXtables -N Retiolum
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# INPUT
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ipXtables -A INPUT -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
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ipXtables -A INPUT -j ACCEPT -i lo
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ipXtables -A INPUT -j ACCEPT -p tcp --dport ssh -m conntrack --ctstate NEW
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ipXtables -A INPUT -j ACCEPT -p tcp --dport http -m conntrack --ctstate NEW
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ipXtables -A INPUT -j ACCEPT -p tcp --dport tinc -m conntrack --ctstate NEW
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ipXtables -A INPUT -j ACCEPT -p tcp --dport smtp -m conntrack --ctstate NEW
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ipXtables -A INPUT -j Retiolum -i retiolum
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${when log "ipXtables -A INPUT -j LOG --log-level info --log-prefix 'INPUT DROP '"}
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# FORWARD
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${when log "ipXtables -A FORWARD -j LOG --log-level info --log-prefix 'FORWARD DROP '"}
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# Retiolum
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ip4tables -A Retiolum -j ACCEPT -p icmp --icmp-type echo-request
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ip6tables -A Retiolum -j ACCEPT -p ipv6-icmp -m icmp6 --icmpv6-type echo-request
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${when log "ipXtables -A Retiolum -j LOG --log-level info --log-prefix 'REJECT '"}
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ipXtables -A Retiolum -j REJECT -p tcp --reject-with tcp-reset
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ip4tables -A Retiolum -j REJECT -p udp --reject-with icmp-port-unreachable
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ip4tables -A Retiolum -j REJECT --reject-with icmp-proto-unreachable
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ip6tables -A Retiolum -j REJECT -p udp --reject-with icmp6-port-unreachable
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ip6tables -A Retiolum -j REJECT
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'';
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#system.replaceRuntimeDependencies = with pkgs;
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# let
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# bashVulnPatches = [
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# (fetchurl {
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# url = "mirror://gnu/bash/bash-4.2-patches/bash42-048";
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# sha256 = "091xk1ms7ycnczsl3fx461gjhj69j6ycnfijlymwj6mj60ims6km";
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# })
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# (fetchurl {
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# url = "file:///etc/nixos/bash-20140926.patch";
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# sha256 = "0gdwnimsbi4vh5l46krss4wjrgbch94skn4y2w3rpvb1w4jypha4";
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# })
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# ];
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# in
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# [
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# {
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# original = bash;
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# replacement = pkgs.lib.overrideDerivation bash (oldAttrs: {
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# patches = oldAttrs.patches ++ bashVulnPatches;
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# });
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# }
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# {
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# original = bashInteractive;
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# replacement = pkgs.lib.overrideDerivation bashInteractive (oldAttrs: {
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# patches = oldAttrs.patches ++ bashVulnPatches;
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# });
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# }
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# {
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# original = bitlbee;
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# replacement = pkgs.lib.overrideDerivation bitlbee (oldAttrs: {
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# configureFlags = [
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# "--gcov=1"
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# "--otr=1"
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# "--ssl=gnutls"
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# ];
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# });
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# }
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#];
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}
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