93 lines
3.6 KiB
Nix
93 lines
3.6 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.ghidra-server;
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adminCli = pkgs.callPackage ./cli.nix {
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inherit (cfg) package jdkPackage directory;
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};
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in {
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options.services.ghidra-server = {
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enable = mkEnableOption "ghidra-server";
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enableAdminCli = mkEnableOption "ghidra-svrAdmin";
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package = mkPackageOption pkgs "ghidra_headless" { };
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jdkPackage = mkPackageOption pkgs "openjdk17_headless" { };
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host = mkOption {
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default = null;
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defaultText = literalExpression "null";
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example = literalExpression "\"myserver.lol\"";
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description = "Ghidra server hostname or IP.";
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type = types.str;
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};
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basePort = mkOption {
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default = 13100;
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description = "Ghidra server base port - the server will use 3 consecutive TCP ports starting from the provided port number.";
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type = types.port;
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};
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directory = mkOption {
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default = "ghidra-server";
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description = ''
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Directory for Ghidra server data, under `/var/lib` (for systemd `StateDirectory`)
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'';
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type = types.str;
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};
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user = mkOption {
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type = types.str;
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default = "ghidra";
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description = "User account under which ghidra server runs.";
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};
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group = mkOption {
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type = types.str;
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default = "ghidra";
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description = "Group account under which ghidra server runs.";
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};
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};
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config = mkIf cfg.enable {
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users.users."${cfg.user}" = {
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isSystemUser = true;
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home = "/var/lib/${cfg.directory}";
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inherit (cfg) group;
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packages = [ cfg.package cfg.jdkPackage ];
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};
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users.groups."${cfg.group}" = {};
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systemd.services."ghidra-server" =
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let
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ghidra_log4j_config = ./custom.log4j.xml;
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ghidra_java_opt = "-Dlog4j.configurationFile=${ghidra_log4j_config} -Djava.net.preferIPv4Stack=true -Djava.io.tmpdir=/tmp -Djna.tmpdir=/tmp -Dghidra.tls.server.protocols=TLSv1.2;TLSv1.3 -Ddb.buffers.DataBuffer.compressedOutput=true -Xms396m -Xmx768m";
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ghidra_home = "${cfg.package}/lib/ghidra";
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ghidra_classpath = with builtins; let
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input = lib.readFile "${ghidra_home}/Ghidra/Features/GhidraServer/data/classpath.frag";
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inputSplit = split "[^\n]*ghidra_home.([^\n]*)\n" input;
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paths = map head (filter isList inputSplit);
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in ghidra_home + (concatStringsSep (":" + ghidra_home) paths);
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ghidra_mainclass = "ghidra.server.remote.GhidraServer";
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ghidra_args = "-a0 -u -p${toString cfg.basePort} -ip ${cfg.host} /var/lib/${cfg.directory}/repositories";
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in {
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description = "Ghidra server";
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after = ["network.target"];
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serviceConfig = {
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ExecStart = "${cfg.jdkPackage}/bin/java ${ghidra_java_opt} -classpath ${ghidra_classpath} ${ghidra_mainclass} ${ghidra_args}";
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WorkingDirectory = "/var/lib/${cfg.directory}";
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Environment = "GHIDRA_HOME=${ghidra_home}";
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User = cfg.user;
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Group = cfg.group;
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SuccessExitStatus = 143;
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# use StateDirectory to create home dir and additional needed dirs with overridden
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# permissions when the unit starts
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# this is needed because we'd like the group (ghidra) to have write access to the
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# directories here, particularly ~admin
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StateDirectory = "${cfg.directory} ${cfg.directory}/repositories ${cfg.directory}/repositories/~admin";
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StateDirectoryMode = "0770";
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PrivateTmp = true;
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NoNewPrivileges = true;
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};
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wantedBy = ["multi-user.target"];
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};
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environment.systemPackages = optionals cfg.enableAdminCli [ adminCli ];
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};
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}
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