stockholm/mu.nix
2015-05-19 23:15:54 +02:00

477 lines
12 KiB
Nix

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