{ config, pkgs, ... }: with import ; { imports = [ ../2configs/audit.nix ../2configs/binary-cache/client.nix ../2configs/gc.nix ../2configs/mc.nix ../2configs/nixpkgs.nix ../2configs/vim.nix ../2configs/monitoring/client.nix ./htop.nix ./backups.nix ./security-workarounds.nix { users.extraUsers = mapAttrs (_: h: { hashedPassword = h; }) (import ); } { users.extraUsers = { root = { openssh.authorizedKeys.keys = [ config.krebs.users.lass.pubkey config.krebs.users.lass-shodan.pubkey config.krebs.users.lass-icarus.pubkey ]; }; mainUser = { name = "lass"; uid = 1337; home = "/home/lass"; group = "users"; createHome = true; useDefaultShell = true; extraGroups = [ "audio" "fuse" ]; openssh.authorizedKeys.keys = [ config.krebs.users.lass.pubkey config.krebs.users.lass-shodan.pubkey config.krebs.users.lass-icarus.pubkey ]; }; }; } { environment.variables = { NIX_PATH = mkForce "secrets=/var/src/stockholm/null:/var/src"; }; } (let ca-bundle = "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt"; in { environment.variables = { CURL_CA_BUNDLE = ca-bundle; GIT_SSL_CAINFO = ca-bundle; SSL_CERT_FILE = ca-bundle; }; }) { #for sshuttle environment.systemPackages = [ pkgs.pythonPackages.python ]; } { services.dnscrypt-proxy.enable = true; networking.extraResolvconfConf = '' name_servers='127.0.0.1' ''; } ]; networking.hostName = config.krebs.build.host.name; nix.maxJobs = config.krebs.build.host.cores; krebs = { enable = true; search-domain = "r"; build = { user = config.krebs.users.lass; source = let inherit (config.krebs.build) host; in { nixos-config.symlink = "stockholm/lass/1systems/${host.name}.nix"; secrets.file = if getEnv "dummy_secrets" == "true" then toString else "/home/lass/secrets/${host.name}"; stockholm.file = getEnv "PWD"; }; }; }; nix.useSandbox = true; users.mutableUsers = false; services.timesyncd.enable = true; #why is this on in the first place? services.nscd.enable = false; systemd.tmpfiles.rules = [ "d /tmp 1777 root root - -" ]; # multiple-definition-problem when defining environment.variables.EDITOR environment.extraInit = '' EDITOR=vim ''; nixpkgs.config.allowUnfree = true; environment.systemPackages = with pkgs; [ #stockholm git gnumake jq parallel proot populate #style most rxvt_unicode.terminfo #monitoring tools htop iotop #network iptables iftop #stuff for dl aria2 #neat utils kpaste krebspaste mosh pciutils pop psmisc q rs tmux untilport usbutils #unpack stuff p7zip unzip unrar ]; programs.bash = { enableCompletion = true; interactiveShellInit = '' HISTCONTROL='erasedups:ignorespace' HISTSIZE=65536 HISTFILESIZE=$HISTSIZE shopt -s checkhash shopt -s histappend histreedit histverify shopt -s no_empty_cmd_completion complete -d cd 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; 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 = "-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; } ]; }; }; networking.dhcpcd.extraConfig = '' noipv4ll ''; }