6afb255d97
these changes were generated with nixq 0.0.2, by running nixq ">> lib.mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> Inherit >> mdDoc[remove]" --batchmode nixos/**.nix two mentions of the mdDoc function remain in nixos/, both of which are inside of comments. Since lib.mdDoc is already defined as just id, this commit is a no-op as far as Nix (and the built manual) is concerned.
118 lines
3.3 KiB
Nix
118 lines
3.3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.tmate-ssh-server;
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defaultKeysDir = "/etc/tmate-ssh-server-keys";
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edKey = "${defaultKeysDir}/ssh_host_ed25519_key";
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rsaKey = "${defaultKeysDir}/ssh_host_rsa_key";
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keysDir =
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if cfg.keysDir == null
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then defaultKeysDir
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else cfg.keysDir;
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domain = config.networking.domain;
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in
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{
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options.services.tmate-ssh-server = {
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enable = mkEnableOption "tmate ssh server";
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package = mkPackageOption pkgs "tmate-ssh-server" { };
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host = mkOption {
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type = types.str;
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description = "External host name";
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defaultText = lib.literalExpression "config.networking.domain or config.networking.hostName";
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default =
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if domain == null then
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config.networking.hostName
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else
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domain;
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};
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port = mkOption {
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type = types.port;
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description = "Listen port for the ssh server";
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default = 2222;
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};
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openFirewall = mkOption {
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type = types.bool;
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default = false;
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description = "Whether to automatically open the specified ports in the firewall.";
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};
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advertisedPort = mkOption {
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type = types.port;
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description = "External port advertised to clients";
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};
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keysDir = mkOption {
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type = with types; nullOr str;
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description = "Directory containing ssh keys, defaulting to auto-generation";
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default = null;
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};
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};
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config = mkIf cfg.enable {
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networking.firewall.allowedTCPPorts = optionals cfg.openFirewall [ cfg.port ];
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services.tmate-ssh-server = {
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advertisedPort = mkDefault cfg.port;
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};
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environment.systemPackages =
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let
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tmate-config = pkgs.writeText "tmate.conf"
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''
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set -g tmate-server-host "${cfg.host}"
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set -g tmate-server-port ${toString cfg.port}
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set -g tmate-server-ed25519-fingerprint "@ed25519_fingerprint@"
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set -g tmate-server-rsa-fingerprint "@rsa_fingerprint@"
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'';
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in
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[
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(pkgs.writeShellApplication {
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name = "tmate-client-config";
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runtimeInputs = with pkgs;[ openssh coreutils ];
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text = ''
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RSA_SIG="$(ssh-keygen -l -E SHA256 -f "${keysDir}/ssh_host_rsa_key.pub" | cut -d ' ' -f 2)"
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ED25519_SIG="$(ssh-keygen -l -E SHA256 -f "${keysDir}/ssh_host_ed25519_key.pub" | cut -d ' ' -f 2)"
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sed "s|@ed25519_fingerprint@|$ED25519_SIG|g" ${tmate-config} | \
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sed "s|@rsa_fingerprint@|$RSA_SIG|g"
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'';
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})
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];
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systemd.services.tmate-ssh-server = {
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description = "tmate SSH Server";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = "${cfg.package}/bin/tmate-ssh-server -h ${cfg.host} -p ${toString cfg.port} -q ${toString cfg.advertisedPort} -k ${keysDir}";
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};
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preStart = mkIf (cfg.keysDir == null) ''
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if [[ ! -d ${defaultKeysDir} ]]
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then
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mkdir -p ${defaultKeysDir}
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fi
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if [[ ! -f ${edKey} ]]
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then
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${pkgs.openssh}/bin/ssh-keygen -t ed25519 -f ${edKey} -N ""
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fi
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if [[ ! -f ${rsaKey} ]]
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then
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${pkgs.openssh}/bin/ssh-keygen -t rsa -f ${rsaKey} -N ""
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fi
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'';
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};
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};
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meta = {
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maintainers = with maintainers; [ jlesquembre ];
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};
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}
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