with import <stockholm/lib>; { config, pkgs, ... }: { imports = [ ./binary-cache/client.nix ./gc.nix ./mc.nix ./vim.nix ./zsh.nix ./htop.nix <stockholm/krebs/2configs/security-workarounds.nix> ./wiregrill.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-blue.pubkey config.krebs.users.lass-green.pubkey ]; }; mainUser = { name = "lass"; uid = 1337; home = "/home/lass"; group = "users"; createHome = true; useDefaultShell = true; isNormalUser = true; extraGroups = [ "audio" "video" "fuse" "wheel" ]; openssh.authorizedKeys.keys = [ config.krebs.users.lass.pubkey config.krebs.users.lass-blue.pubkey config.krebs.users.lass-green.pubkey ]; }; }; } { environment.variables = { NIX_PATH = mkForce "secrets=/var/src/stockholm/null:/var/src"; }; } (let ca-bundle = "/etc/ssl/certs/ca-bundle.crt"; in { environment.variables = { CURL_CA_BUNDLE = ca-bundle; GIT_SSL_CAINFO = ca-bundle; SSL_CERT_FILE = ca-bundle; }; }) { #for sshuttle environment.systemPackages = [ pkgs.python3Packages.python ]; } ]; networking.hostName = config.krebs.build.host.name; nix.maxJobs = config.krebs.build.host.cores; krebs = { enable = true; build.user = config.krebs.users.lass; }; nix.useSandbox = true; users.mutableUsers = false; services.timesyncd.enable = mkForce true; # multiple-definition-problem when defining environment.variables.EDITOR environment.extraInit = '' EDITOR=vim ''; nixpkgs.config.allowUnfree = true; environment.systemPackages = with pkgs; [ #stockholm deploy git git-preview gnumake jq #style rxvt_unicode.terminfo #monitoring tools htop iotop #network iptables iftop tcpdump mosh sshify #stuff for dl aria2 #neat utils file hashPassword kpaste cyberlocker-tools pciutils pop q rs untilport usbutils logify goify #unpack stuff libarchive (pkgs.writeDashBin "sshn" '' ${pkgs.openssh}/bin/ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "$@" '') ]; environment.shellAliases = { ll = "ls -l"; la = "ls -la"; ls = "ls --color"; ip = "ip -color=auto"; grep = "grep --color=auto"; }; programs.bash = { enableCompletion = true; interactiveShellInit = '' HISTCONTROL='erasedups:ignorespace' HISTSIZE=65536 HISTFILESIZE=$HISTSIZE shopt -s checkhash shopt -s histappend histreedit histverify shopt -s no_empty_cmd_completion complete -d cd LS_COLORS=$LS_COLORS:'di=1;31:' ; export LS_COLORS ''; promptInit = '' if test $UID = 0; then PS1='\[\033[1;31m\]\w\[\033[0m\] ' PROMPT_COMMAND='echo -ne "\033]0;$$ $USER@$PWD\007"' elif test $UID = 1337; then PS1='\[\033[1;32m\]\w\[\033[0m\] ' PROMPT_COMMAND='echo -ne "\033]0;$$ $PWD\007"' else PS1='\[\033[1;33m\]\u@\w\[\033[0m\] ' PROMPT_COMMAND='echo -ne "\033]0;$$ $USER@$PWD\007"' fi if test -n "$SSH_CLIENT"; then PS1='\[\033[35m\]\h'" $PS1" PROMPT_COMMAND='echo -ne "\033]0;$$ $HOSTNAME $USER@$PWD\007"' fi ''; }; services.openssh.enable = true; services.journald.extraConfig = '' SystemMaxUse=1G RuntimeMaxUse=128M Storage=persistent ''; krebs.iptables = { enable = true; tables = { nat.PREROUTING.rules = [ { predicate = "-i retiolum -p tcp -m tcp --dport 22"; target = "ACCEPT"; precedence = 101; } { predicate = "-i wiregrill -p tcp -m tcp --dport 22"; target = "ACCEPT"; precedence = 101; } { predicate = "-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 = "-i retiolum -p udp --dport 60000:61000"; target = "ACCEPT";} { predicate = "-m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; precedence = 10001; } { predicate = "-p icmp"; target = "ACCEPT"; precedence = 10000; } { predicate = "-p ipv6-icmp"; target = "ACCEPT"; v4 = false; precedence = 10000; } { predicate = "-i lo"; target = "ACCEPT"; precedence = 9999; } { predicate = "-p tcp --dport 22"; target = "ACCEPT"; precedence = 9998; } { predicate = "-p tcp -i retiolum"; target = "REJECT --reject-with tcp-reset"; precedence = -10000; } { predicate = "-p udp -i retiolum"; target = "REJECT --reject-with icmp-port-unreachable"; v6 = false; precedence = -10000; } { predicate = "-i retiolum"; target = "REJECT --reject-with icmp-proto-unreachable"; v6 = false; precedence = -10000; } { predicate = "-i retiolum -p udp -m udp --dport 53"; target = "ACCEPT"; } { predicate = "-i retiolum -p tcp --dport 19999"; target = "ACCEPT"; } ]; }; }; networking.dhcpcd.extraConfig = '' noipv4ll ''; # use 24:00 time format, the default got sneakily changed around 20.03 i18n.defaultLocale = mkDefault "C.UTF-8"; time.timeZone = mkDefault"Europe/Berlin"; system.stateVersion = mkDefault "20.03"; }