159 lines
3.7 KiB
Nix
159 lines
3.7 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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{
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imports = [
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../../3modules/lass/iptables.nix
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{
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users.extraUsers =
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mapAttrs (_: h: { hashedPassword = h; })
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(import /root/src/secrets/hashedPasswords.nix);
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}
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{
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users.extraUsers = {
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root = {
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openssh.authorizedKeys.keys = map readFile [
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../../Zpubkeys/lass.ssh.pub
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];
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};
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mainUser = {
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name = "lass";
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uid = 1337;
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home = "/home/lass";
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group = "users";
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createHome = true;
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useDefaultShell = true;
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extraGroups = [
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"audio"
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"wheel"
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];
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openssh.authorizedKeys.keys = map readFile [
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../../Zpubkeys/lass.ssh.pub
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];
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};
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};
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}
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];
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nix.useChroot = true;
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users.mutableUsers = false;
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boot.tmpOnTmpfs = true;
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# see tmpfiles.d(5)
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systemd.tmpfiles.rules = [
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"d /tmp 1777 root root - -"
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];
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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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PAGER=most
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'';
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environment.systemPackages = with pkgs; [
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git
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most
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rxvt_unicode.terminfo
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#network
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iptables
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];
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programs.bash = {
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enableCompletion = true;
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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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#fancy colors
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if [ -e ~/LS_COLORS ]; then
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eval $(dircolors ~/LS_COLORS)
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fi
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if [ -e /etc/nixos/dotfiles/link ]; then
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/etc/nixos/dotfiles/link
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fi
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'';
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promptInit = ''
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if test $UID = 0; then
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PS1='\[\033[1;31m\]\w\[\033[0m\] '
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elif test $UID = 1337; then
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PS1='\[\033[1;32m\]\w\[\033[0m\] '
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else
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PS1='\[\033[1;33m\]\u@\w\[\033[0m\] '
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fi
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if test -n "$SSH_CLIENT"; then
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PS1='\[\033[35m\]\h'" $PS1"
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fi
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'';
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};
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security.setuidPrograms = [
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"sendmail"
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];
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services.gitolite = {
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enable = true;
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dataDir = "/home/gitolite";
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adminPubkey = config.sshKeys.lass.pub;
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};
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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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services.journald.extraConfig = ''
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SystemMaxUse=1G
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RuntimeMaxUse=128M
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'';
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lass.iptables = {
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enable = true;
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tables = {
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filter.INPUT.policy = "DROP";
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filter.FORWARD.policy = "DROP";
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filter.INPUT.rules = [
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{ predicate = "-i lo"; target = "ACCEPT"; }
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{ predicate = "-m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; }
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{ predicate = "-p icmp"; target = "ACCEPT"; }
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{ predicate = "-p tcp --dport 22"; target = "ACCEPT"; }
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];
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};
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};
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#Networking.firewall = {
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# enable = true;
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# allowedTCPPorts = [
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# 22
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# ];
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# extraCommands = ''
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# iptables -A INPUT -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
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# iptables -A INPUT -j ACCEPT -i lo
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# #http://serverfault.com/questions/84963/why-not-block-icmp
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# iptables -A INPUT -j ACCEPT -p icmp
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# #TODO: fix Retiolum firewall
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# #iptables -N RETIOLUM
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# #iptables -A INPUT -j RETIOLUM -i retiolum
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# #iptables -A RETIOLUM -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
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# #iptables -A RETIOLUM -j REJECT -p tcp --reject-with tcp-reset
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# #iptables -A RETIOLUM -j REJECT -p udp --reject-with icmp-port-unreachable
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# #iptables -A RETIOLUM -j REJECT --reject-with icmp-proto-unreachable
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# #iptables -A RETIOLUM -j REJECT
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# '';
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#};
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}
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