combined windows and macos changes

src/checksum.ts

@@ -10,12 +10,17 @@ const CHECKSUMS = {
   non_tls: {
     amd64: "336093af8ebe969567b66fd035af3bd4f7e1c723ce680d6b4b5b2a1f79bc329e", // v0.14.2
   },
+  darwin: "caaacc24bbf6a39ba7560e5e4701353c537883cb3ab9553359bd5caf5097246f", // v0.0.1
+  windows: {
+    amd64: "9e4fde66331be3261ae6ff954e531e94335b5774ac7e105f0126b391ee1c6d66", // v1.0.0-int
+  },
 };
 
 export function verifyChecksum(
   downloadPath: string,
   isTLS: boolean,
-  variant: string
+  variant: string,
+  platform: string
 ) {
   const fileBuffer: Buffer = fs.readFileSync(downloadPath);
   const checksum: string = crypto
@@ -25,17 +30,28 @@ export function verifyChecksum(
 
   let expectedChecksum: string = "";
 
-  if (isTLS) {
+  switch (platform) {
-    expectedChecksum = CHECKSUMS["tls"][variant];
+    case "linux":
-  } else {
+      expectedChecksum = isTLS
-    expectedChecksum = CHECKSUMS["non_tls"][variant];
+        ? CHECKSUMS["tls"][variant]
+        : CHECKSUMS["non_tls"][variant];
+      break;
+    case "darwin":
+      expectedChecksum = CHECKSUMS["darwin"];
+      break;
+    case "win32":
+      expectedChecksum = CHECKSUMS["windows"][variant];
+      break;
+    default:
+      throw new Error(`Unsupported platform: ${platform}`);
   }
 
   if (checksum !== expectedChecksum) {
     core.setFailed(
-      `Checksum verification failed, expected ${expectedChecksum} instead got ${checksum}`
+      `❌ Checksum verification failed, expected ${expectedChecksum} instead got ${checksum}`
     );
+    return;
   }
 
-  core.debug("Checksum verification passed.");
+  core.info(`✅ Checksum verification passed. checksum=${checksum}`);
 }

src/cleanup.ts

@@ -1,10 +1,13 @@
 import * as fs from "fs";
-import * as cp from "child_process";
 import * as common from "./common";
+import * as cp from "child_process";
+import * as path from "path";
 import isDocker from "is-docker";
 import { isARCRunner } from "./arc-runner";
 import { isGithubHosted } from "./tls-inspect";
 import { context } from "@actions/github";
+import { isPlatformSupported } from "./utils";
+
 (async () => {
   console.log("[harden-runner] post-step");
 
@@ -14,8 +17,8 @@ import { context } from "@actions/github";
     return;
   }
 
-  if (process.platform !== "linux") {
+  if (!isPlatformSupported(process.platform)) {
-    console.log(common.UBUNTU_MESSAGE);
+    console.log(common.UNSUPPORTED_RUNNER_MESSAGE);
     return;
   }
   if (isGithubHosted() && isDocker()) {
@@ -36,10 +39,6 @@ import { context } from "@actions/github";
     return;
   }
 
-  if (process.env.STATE_isTLS === "false" && process.arch === "arm64") {
-    return;
-  }
-
   if (
     String(process.env.STATE_monitorStatusCode) ===
     common.STATUS_HARDEN_RUNNER_UNAVAILABLE
@@ -48,6 +47,30 @@ import { context } from "@actions/github";
     return;
   }
 
+  switch (process.platform) {
+    case "linux":
+      await handleLinuxCleanup();
+      break;
+    case "win32":
+      await handleWindowsCleanup();
+      break;
+    case "darwin":
+      await handleMacosCleanup();
+      break;
+  }
+
+  try {
+    await common.addSummary();
+  } catch (exception) {
+    console.log(exception);
+  }
+})();
+
+async function handleLinuxCleanup() {
+  if (process.env.STATE_isTLS === "false" && process.arch === "arm64") {
+    return;
+  }
+
   if (isGithubHosted() && fs.existsSync("/home/agent/post_event.json")) {
     console.log("Post step already executed, skipping");
     return;
@@ -69,8 +92,8 @@ import { context } from "@actions/github";
         break;
       }
       await sleep(1000);
-    } // The file *does* exist
+    } else {
-    else {
+      // The file *does* exist
       break;
     }
   }
@@ -114,13 +137,152 @@ import { context } from "@actions/github";
       console.log("Warning: Could not fetch service logs:", error.message);
     }
   }
+}
+
+async function handleMacosCleanup() {
+  fs.writeFileSync(
+    "/opt/step-security/post_event.json",
+    JSON.stringify({ event: "post" })
+  );
+
+  let macDone = "/opt/step-security/done.json";
+  let counter = 0;
+  while (true) {
+    if (!fs.existsSync(macDone)) {
+      counter++;
+      if (counter > 10) {
+        console.log("timed out");
+        break;
+      }
+      await sleep(1000);
+    } else {
+      // The file *does* exist
+      break;
+    }
+  }
+
+  let macAgenLog = "/opt/step-security/agent.log";
+  if (fs.existsSync(macAgenLog)) {
+    console.log("macAgenLog:");
+    var content = fs.readFileSync(macAgenLog, "utf-8");
+    console.log(content);
+  } else {
+    console.log("😭 macos agent.log file not found");
+  }
+
+  // Capture system log stream for harden-runner subsystem
+  try {
+    console.log("\nSystem log stream for io.stepsecurity.harden-runner:");
+    const logStreamOutput = cp.execSync(
+      "log show --predicate 'subsystem == \"io.stepsecurity.harden-runner\"' --info --last 10m",
+      {
+        encoding: "utf8",
+        maxBuffer: 1024 * 1024 * 10, // 10MB buffer
+        timeout: 10000, // 10 second timeout
+      }
+    );
+    console.log(logStreamOutput);
+  } catch (error) {
+    console.log("Warning: Could not fetch system log stream:", error.message);
+  }
+}
+
+async function handleWindowsCleanup() {
+  // windows cleanup
+  const agentDir = process.env.STATE_agentDir || "C:\\agent";
+  const postEventFile = path.join(agentDir, "post_event.json");
+
+  if (isGithubHosted() && fs.existsSync(postEventFile)) {
+    console.log("Windows post step already executed, skipping");
+    return;
+  }
+
+  const p = cp.spawn(
+    "powershell.exe",
+    [
+      "-NoProfile",
+      "-NonInteractive",
+      "-Command",
+      "query user; exit $LASTEXITCODE",
+    ],
+    { stdio: ["ignore", "pipe", "pipe"], shell: false, windowsHide: true }
+  );
+  p.unref();
+
+  fs.writeFileSync(postEventFile, JSON.stringify({ event: "post" }));
+
+  const doneFile = path.join(agentDir, "done.json");
+  let counter = 0;
+  while (true) {
+    if (!fs.existsSync(doneFile)) {
+      counter++;
+      if (counter > 10) {
+        console.log("timed out");
+        break;
+      }
+      await sleep(1000);
+    } else {
+      break;
+    }
+  }
+
+  console.log("stopping windows agent process...");
+  const pidFile = path.join(agentDir, "agent.pid");
 
   try {
-    await common.addSummary();
+    if (!fs.existsSync(pidFile)) {
-  } catch (exception) {
+      console.log("PID file not found. Agent may not be running.");
-    console.log(exception);
+      return;
+    }
+
+    const pid = parseInt(fs.readFileSync(pidFile, "utf8").trim());
+    console.log(`agent PID from file: ${pid}`);
+
+    try {
+      process.kill(pid, 0); // signal 0 just checks if process exists
+    } catch {
+      console.log("agent process not running.");
+      fs.unlinkSync(pidFile);
+      return;
+    }
+
+    console.log(`stopping agent process (PID: ${pid})...`);
+    process.kill(pid, "SIGINT");
+
+    let gracefulShutdown = false;
+    for (let i = 0; i < 10; i++) {
+      await sleep(1000);
+
+      try {
+        process.kill(pid, 0); // check if still exists
+      } catch {
+        gracefulShutdown = true;
+        console.log("agent process stopped gracefully");
+        break;
+      }
+    }
+
+    if (!gracefulShutdown) {
+      console.log("graceful shutdown timeout (10s), forcing termination...");
+      process.kill(pid, "SIGKILL");
+      console.log("agent process terminated forcefully");
+    }
+
+    if (fs.existsSync(pidFile)) {
+      fs.unlinkSync(pidFile);
+      console.log("PID file cleaned up");
+    }
+  } catch (error) {
+    console.log("warning: error stopping agent process:", error.message);
+  }
+
+  const log = path.join(agentDir, "agent.log");
+  if (fs.existsSync(log)) {
+    console.log("agent log:");
+    const content = fs.readFileSync(log, "utf-8");
+    console.log(content);
+  }
 }
-})();
 
 function sleep(ms) {
   return new Promise((resolve) => {

src/common.ts

@@ -128,8 +128,8 @@ export const STATUS_HARDEN_RUNNER_UNAVAILABLE = "409";
 export const CONTAINER_MESSAGE =
   "This job is running in a container. Such jobs can be monitored by installing Harden Runner in a custom VM image for GitHub-hosted runners.";
 
-export const UBUNTU_MESSAGE =
+export const UNSUPPORTED_RUNNER_MESSAGE =
-  "This job is not running in a GitHub Actions Hosted Runner Ubuntu VM. Harden Runner is only supported on Ubuntu VM. This job will not be monitored.";
+  "This job is not running in a GitHub Actions Hosted Runner. Harden Runner is only supported on GitHub-hosted runners (Ubuntu, Windows, and macOS). This job will not be monitored.";
 
 export const SELF_HOSTED_RUNNER_MESSAGE =
   "This job is running on a self-hosted runner.";

src/index.ts

@@ -4,6 +4,8 @@ import isDocker from "is-docker";
 import { STEPSECURITY_WEB_URL } from "./configs";
 import { isGithubHosted } from "./tls-inspect";
 import { context } from "@actions/github";
+import { isPlatformSupported } from "./utils";
+
 (async () => {
   console.log("[harden-runner] main-step");
 
@@ -13,8 +15,8 @@ import { context } from "@actions/github";
     return;
   }
 
-  if (process.platform !== "linux") {
+  if (!isPlatformSupported(process.platform)) {
-    console.log(common.UBUNTU_MESSAGE);
+    console.log(common.UNSUPPORTED_RUNNER_MESSAGE);
     return;
   }
   if (isGithubHosted() && isDocker()) {

src/install-agent.ts

@@ -6,6 +6,7 @@ import * as fs from "fs";
 import { verifyChecksum } from "./checksum";
 import { EOL } from "os";
 import { ARM64_RUNNER_MESSAGE } from "./common";
+import { chownForFolder } from "./utils";
 
 export async function installAgent(
   isTLS: boolean,
@@ -41,7 +42,7 @@ export async function installAgent(
     );
   }
 
-  verifyChecksum(downloadPath, isTLS, variant);
+  verifyChecksum(downloadPath, isTLS, variant, "linux");
 
   const extractPath = await tc.extractTar(downloadPath);
 
@@ -65,3 +66,149 @@ export async function installAgent(
   cp.execSync("sudo service agent start", { timeout: 15000 });
   return true;
 }
+
+export async function installMacosAgent(confgStr: string): Promise<boolean> {
+  const token = core.getInput("token", { required: true });
+  const auth = `token ${token}`;
+
+  try {
+    // Create working directory
+    core.info("Creating /opt/step-security directory...");
+    cp.execSync("sudo mkdir -p /opt/step-security");
+    chownForFolder(process.env.USER, "/opt/step-security");
+    core.info("✓ Successfully created /opt/step-security directory");
+
+    // Create agent configuration file
+    core.info("Creating agent.json");
+    fs.writeFileSync("/opt/step-security/agent.json", confgStr);
+    core.info(
+      "✓ Successfully created agent.json at /opt/step-security/agent.json"
+    );
+
+    // Download installer package
+    const downloadUrl =
+      "https://github.com/step-security/agent-releases/releases/download/v1.0.0-int/macos-installer-0.0.1.tar.gz";
+    core.info(`Downloading macOS installer.. : ${downloadUrl}`);
+    const downloadPath = await tc.downloadTool(downloadUrl, undefined, auth);
+    core.info(`✓ Successfully downloaded installer to: ${downloadPath}`);
+
+    // Verify SHA256 checksum
+    core.info("Verifying SHA256 checksum of downloaded tar file...");
+    verifyChecksum(downloadPath, false, "", "darwin");
+
+    // Extract installer package
+    core.info("Extracting installer...");
+    const extractPath = await tc.extractTar(downloadPath);
+    core.info(`✓ Successfully extracted installer to: ${extractPath}`);
+
+    // Copy Installer binary to /opt/step-security
+    const installerSourcePath = path.join(extractPath, "Installer");
+    core.info(
+      `Copying Installer from ${installerSourcePath} to /opt/step-security...`
+    );
+    cp.execSync(`cp "${installerSourcePath}" /opt/step-security/`);
+    core.info("✓ Successfully copied Installer to /opt/step-security");
+
+    const installerBinaryPath = "/opt/step-security/Installer";
+
+    // Verify installer binary exists
+    if (!fs.existsSync(installerBinaryPath)) {
+      throw new Error(
+        "Installer binary not found at /opt/step-security/Installer"
+      );
+    }
+    core.info("✓ Installer binary verified");
+
+    // Make installer executable
+    core.info("Making installer executable...");
+    cp.execSync(`chmod +x "${installerBinaryPath}"`);
+    core.info("✓ Installer is now executable");
+
+    // Run installer
+    core.info("Running installer...");
+    cp.execSync(
+      `sudo "${installerBinaryPath}" -workdir /opt/step-security >> /opt/step-security/agent.log 2>&1`,
+      {
+        shell: "/bin/bash",
+        timeout: 10000, // 10 second timeout
+      }
+    );
+    core.info("✓ Installer completed successfully");
+
+    core.info("✅ macOS agent installation completed successfully");
+    return true;
+  } catch (error) {
+    core.error(`❌ Failed to install macOS agent: ${error}`);
+    if (error instanceof Error && error.stack) {
+      core.debug(error.stack);
+    }
+    return false;
+  }
+}
+
+export async function installWindowsAgent(configStr: string): Promise<boolean> {
+  const token = core.getInput("token", { required: true });
+  const auth = `token ${token}`;
+
+  const variant = process.arch === "x64" ? "amd64" : "arm64";
+  if (variant === "arm64") {
+    console.log(ARM64_RUNNER_MESSAGE);
+    return false;
+  }
+
+  const agentDir = "C:\\agent";
+  core.info(`Creating agent directory: ${agentDir}`);
+  if (!fs.existsSync(agentDir)) {
+    fs.mkdirSync(agentDir, { recursive: true });
+  }
+  fs.appendFileSync(process.env.GITHUB_STATE, `agentDir=${agentDir}${EOL}`, {
+    encoding: "utf8",
+  });
+  const agentExePath = path.join(agentDir, "agent.exe");
+
+  const downloadPath = await tc.downloadTool(
+    `https://github.com/step-security/agent-releases/releases/download/v1.0.0-int/harden-runner-agent-windows_int_windows_amd64.tar.gz`,
+    undefined,
+    auth
+  );
+  verifyChecksum(downloadPath, false, variant, process.platform);
+
+  const extractPath = await tc.extractTar(downloadPath);
+
+  const extractedAgentPath = path.join(extractPath, "agent.exe");
+  fs.copyFileSync(extractedAgentPath, agentExePath);
+  core.info(`Copied agent from ${extractedAgentPath} to ${agentExePath}`);
+
+  const configPath = path.join(agentDir, "config.json");
+  fs.writeFileSync(configPath, configStr);
+  core.info(`Created config file: ${configPath}`);
+
+  core.info("Starting Windows Agent...");
+
+  try {
+    const logPath = path.join(agentDir, "agent.log");
+    const logStream = fs.openSync(logPath, "a");
+    core.info(`Agent logs will be written to: ${logPath}`);
+
+    const agentProcess = cp.spawn(agentExePath, [], {
+      cwd: agentDir,
+      detached: true,
+      stdio: ["ignore", logStream, logStream],
+      windowsHide: false,
+      shell: false,
+    });
+
+    const pidFile = path.join(agentDir, "agent.pid");
+    fs.writeFileSync(pidFile, agentProcess.pid.toString());
+    core.info(`Agent process started with PID: ${agentProcess.pid}`);
+    core.info(`PID saved to: ${pidFile}`);
+
+    agentProcess.unref();
+
+    core.info("Windows Agent process started successfully");
+    return true;
+  } catch (error) {
+    core.setFailed(`Failed to start Windows agent process: ${error.message}`);
+    return false;
+  }
+}

src/setup.ts

@@ -27,7 +27,13 @@ import * as utils from "@actions/cache/lib/internal/cacheUtils";
 import { isARCRunner, sendAllowedEndpoints } from "./arc-runner";
 import { STEPSECURITY_API_URL, STEPSECURITY_WEB_URL } from "./configs";
 import { isGithubHosted, isTLSEnabled } from "./tls-inspect";
-import { installAgent } from "./install-agent";
+import {
+  installAgent,
+  installMacosAgent,
+  installWindowsAgent,
+} from "./install-agent";
+
+import { chownForFolder, isAgentInstalled, isPlatformSupported } from "./utils";
 
 interface MonitorResponse {
   runner_ip_address?: string;
@@ -45,8 +51,8 @@ interface MonitorResponse {
       return;
     }
 
-    if (process.platform !== "linux") {
+    if (!isPlatformSupported(process.platform)) {
-      console.log(common.UBUNTU_MESSAGE);
+      console.log(common.UNSUPPORTED_RUNNER_MESSAGE);
       return;
     }
     if (isGithubHosted() && isDocker()) {
@@ -263,7 +269,7 @@ interface MonitorResponse {
       return;
     }
 
-    if (isGithubHosted() && fs.existsSync("/home/agent/agent.status")) {
+    if (isGithubHosted() && isAgentInstalled(process.platform)) {
       console.log("Agent already installed, skipping installation");
       return;
     }
@@ -322,17 +328,46 @@ interface MonitorResponse {
     }
 
     const confgStr = JSON.stringify(confg);
+
+    // platform specific
+    let statusFile = "";
+    let logFile = "";
+    let agentInstalled = false;
+
+    switch (process.platform) {
+      case "linux":
+        statusFile = "/home/agent/agent.status";
+        logFile = "/home/agent/agent.log";
+
         cp.execSync("sudo mkdir -p /home/agent");
         chownForFolder(process.env.USER, "/home/agent");
 
         let isTLS = await isTLSEnabled(context.repo.owner);
+        agentInstalled = await installAgent(isTLS, confgStr);
 
-    const agentInstalled = await installAgent(isTLS, confgStr);
+        break;
+      case "win32":
+        core.info("Installing Windows Agent...");
+        agentInstalled = await installWindowsAgent(confgStr);
+
+        const agentDir = process.env.STATE_agentDir || "C:\\agent";
+        statusFile = path.join(agentDir, "agent.status");
+        logFile = path.join(agentDir, "agent.log");
+
+        break;
+      case "darwin":
+        const installed = await installMacosAgent(confgStr);
+        if (!installed) {
+          core.warning("😭 macos agent installation failed");
+        }
+        return; // early return
+      default:
+        throw new Error(
+          `Setup failed because of unsupported platform: ${process.platform}`
+        );
+    }
 
     if (agentInstalled) {
-      // Check that the file exists locally
-      var statusFile = "/home/agent/agent.status";
-      var logFile = "/home/agent/agent.log";
       var counter = 0;
       while (true) {
         if (!fs.existsSync(statusFile)) {
@@ -367,9 +402,3 @@ export function sleep(ms: number) {
     setTimeout(resolve, ms);
   });
 }
-
-function chownForFolder(newOwner: string, target: string) {
-  let cmd = "sudo";
-  let args = ["chown", "-R", newOwner, target];
-  cp.execFileSync(cmd, args);
-}

src/utils.ts

@@ -0,0 +1,33 @@
+import * as cp from "child_process";
+import * as fs from "fs";
+
+export function isPlatformSupported(platform: string) {
+  switch (platform) {
+    case "linux":
+    case "win32":
+    case "darwin":
+      return true;
+
+    default:
+      return false;
+  }
+}
+
+export function chownForFolder(newOwner: string, target: string) {
+  let cmd = "sudo";
+  let args = ["chown", "-R", newOwner, target];
+  cp.execFileSync(cmd, args);
+}
+
+export function isAgentInstalled(platform: string) {
+  switch (platform) {
+    case "linux":
+      return fs.existsSync("/home/agent/agent.status");
+    case "win32":
+      return fs.existsSync("C:\\agent\\agent.status");
+    case "darwin":
+      return fs.existsSync("/opt/step-security/agent.status");
+    default:
+      return false;
+  }
+}