Files
9router/src/mitm/manager.js
2026-03-06 09:59:15 +07:00

577 lines
20 KiB
JavaScript

const { exec, spawn, execSync } = require("child_process");
const path = require("path");
const fs = require("fs");
const os = require("os");
const net = require("net");
const https = require("https");
const crypto = require("crypto");
const { addDNSEntry, removeDNSEntry, removeAllDNSEntries, checkAllDNSStatus } = require("./dns/dnsConfig");
const IS_WIN = process.platform === "win32";
const { generateCert } = require("./cert/generate");
const { installCert } = require("./cert/install");
const { MITM_DIR } = require("./paths");
const MITM_PORT = 443;
const MITM_WIN_NODE_PORT = 8443;
const PID_FILE = path.join(MITM_DIR, ".mitm.pid");
function resolveServerPath() {
if (process.env.MITM_SERVER_PATH) return process.env.MITM_SERVER_PATH;
const sibling = path.join(__dirname, "server.js");
if (fs.existsSync(sibling)) return sibling;
const fromCwd = path.join(process.cwd(), "src", "mitm", "server.js");
if (fs.existsSync(fromCwd)) return fromCwd;
const fromNext = path.join(process.cwd(), "..", "src", "mitm", "server.js");
if (fs.existsSync(fromNext)) return fromNext;
return fromCwd;
}
const SERVER_PATH = resolveServerPath();
const ENCRYPT_ALGO = "aes-256-gcm";
const ENCRYPT_SALT = "9router-mitm-pwd";
function getProcessUsingPort443() {
try {
if (IS_WIN) {
const psCmd = `powershell -NonInteractive -WindowStyle Hidden -Command ` +
`"$c = Get-NetTCPConnection -LocalPort 443 -State Listen -ErrorAction SilentlyContinue | Select-Object -First 1; if ($c) { $c.OwningProcess } else { 0 }"`;
const pidStr = execSync(psCmd, { encoding: "utf8", windowsHide: true }).trim();
const pid = parseInt(pidStr, 10);
if (pid && pid > 4) {
const tasklistResult = execSync(`tasklist /FI "PID eq ${pid}" /FO CSV /NH`, { encoding: "utf8", windowsHide: true });
const processMatch = tasklistResult.match(/"([^"]+)"/);
if (processMatch) return processMatch[1].replace(".exe", "");
}
} else {
const result = execSync("lsof -i :443", { encoding: "utf8" });
const lines = result.trim().split("\n");
if (lines.length > 1) return lines[1].split(/\s+/)[0];
}
} catch {
return null;
}
return null;
}
let serverProcess = null;
let serverPid = null;
function getCachedPassword() { return globalThis.__mitmSudoPassword || null; }
function setCachedPassword(pwd) { globalThis.__mitmSudoPassword = pwd; }
function isProcessAlive(pid) {
try {
process.kill(pid, 0);
return true;
} catch (err) {
return err.code === "EACCES";
}
}
function killProcess(pid, force = false, sudoPassword = null) {
if (IS_WIN) {
const flag = force ? "/F " : "";
exec(`taskkill ${flag}/PID ${pid}`, () => { });
} else {
const sig = force ? "SIGKILL" : "SIGTERM";
const cmd = `pkill -${sig} -P ${pid} 2>/dev/null; kill -${sig} ${pid} 2>/dev/null`;
if (sudoPassword) {
const { execWithPassword } = require("./dns/dnsConfig");
execWithPassword(cmd, sudoPassword).catch(() => exec(cmd, () => { }));
} else {
exec(cmd, () => { });
}
}
}
function deriveKey() {
try {
const { machineIdSync } = require("node-machine-id");
const raw = machineIdSync();
return crypto.createHash("sha256").update(raw + ENCRYPT_SALT).digest();
} catch {
return crypto.createHash("sha256").update(ENCRYPT_SALT).digest();
}
}
function encryptPassword(plaintext) {
const key = deriveKey();
const iv = crypto.randomBytes(12);
const cipher = crypto.createCipheriv(ENCRYPT_ALGO, key, iv);
const encrypted = Buffer.concat([cipher.update(plaintext, "utf8"), cipher.final()]);
const tag = cipher.getAuthTag();
return `${iv.toString("hex")}:${tag.toString("hex")}:${encrypted.toString("hex")}`;
}
function decryptPassword(stored) {
try {
const [ivHex, tagHex, dataHex] = stored.split(":");
if (!ivHex || !tagHex || !dataHex) return null;
const key = deriveKey();
const decipher = crypto.createDecipheriv(ENCRYPT_ALGO, key, Buffer.from(ivHex, "hex"));
decipher.setAuthTag(Buffer.from(tagHex, "hex"));
return decipher.update(Buffer.from(dataHex, "hex")) + decipher.final("utf8");
} catch {
return null;
}
}
let _getSettings = null;
let _updateSettings = null;
function initDbHooks(getSettingsFn, updateSettingsFn) {
_getSettings = getSettingsFn;
_updateSettings = updateSettingsFn;
}
async function saveMitmSettings(enabled, password) {
if (!_updateSettings) return;
try {
const updates = { mitmEnabled: enabled };
if (password) updates.mitmSudoEncrypted = encryptPassword(password);
await _updateSettings(updates);
} catch (e) {
console.log("[MITM] Failed to save settings:", e.message);
}
}
async function loadEncryptedPassword() {
if (!_getSettings) return null;
try {
const settings = await _getSettings();
if (!settings.mitmSudoEncrypted) return null;
return decryptPassword(settings.mitmSudoEncrypted);
} catch {
return null;
}
}
function checkPort443Free() {
return new Promise((resolve) => {
const tester = net.createServer();
tester.once("error", (err) => {
if (err.code === "EADDRINUSE") resolve("in-use");
else resolve("no-permission");
});
tester.once("listening", () => { tester.close(() => resolve("free")); });
tester.listen(MITM_PORT, "127.0.0.1");
});
}
function getPort443Owner(sudoPassword) {
return new Promise((resolve) => {
if (IS_WIN) {
const psCmd = `powershell -NonInteractive -WindowStyle Hidden -Command "` +
`$c = Get-NetTCPConnection -LocalPort 443 -State Listen -ErrorAction SilentlyContinue | Select-Object -First 1; ` +
`if ($c) { $c.OwningProcess } else { 0 }"`;
exec(psCmd, { windowsHide: true }, (err, stdout) => {
if (err) return resolve(null);
const pid = parseInt(stdout.trim(), 10);
if (!pid || pid <= 4) return resolve(null);
exec(`tasklist /FI "PID eq ${pid}" /FO CSV /NH`, { windowsHide: true }, (e2, out2) => {
const m = out2?.match(/"([^"]+)"/);
resolve({ pid, name: m ? m[1] : "unknown" });
});
});
} else {
exec(`ps aux | grep "[s]erver.js"`, (err, stdout) => {
if (!stdout?.trim()) return resolve(null);
for (const line of stdout.split("\n")) {
const parts = line.trim().split(/\s+/);
const pid = parseInt(parts[1], 10);
if (!isNaN(pid)) return resolve({ pid, name: "node" });
}
resolve(null);
});
}
});
}
async function killLeftoverMitm(sudoPassword) {
if (serverProcess && !serverProcess.killed) {
try { serverProcess.kill("SIGKILL"); } catch { /* ignore */ }
serverProcess = null;
serverPid = null;
}
try {
if (fs.existsSync(PID_FILE)) {
const savedPid = parseInt(fs.readFileSync(PID_FILE, "utf-8").trim(), 10);
if (savedPid && isProcessAlive(savedPid)) {
killProcess(savedPid, true, sudoPassword);
await new Promise(r => setTimeout(r, 500));
}
fs.unlinkSync(PID_FILE);
}
} catch { /* ignore */ }
if (!IS_WIN && SERVER_PATH) {
try {
const escaped = SERVER_PATH.replace(/'/g, "'\\''");
if (sudoPassword) {
const { execWithPassword } = require("./dns/dnsConfig");
await execWithPassword(`pkill -SIGKILL -f "${escaped}" 2>/dev/null || true`, sudoPassword).catch(() => { });
} else {
exec(`pkill -SIGKILL -f "${escaped}" 2>/dev/null || true`, () => { });
}
await new Promise(r => setTimeout(r, 500));
} catch { /* ignore */ }
}
}
function pollMitmHealth(timeoutMs, port = MITM_PORT) {
return new Promise((resolve) => {
const deadline = Date.now() + timeoutMs;
const check = () => {
const req = https.request(
{ hostname: "127.0.0.1", port, path: "/_mitm_health", method: "GET", rejectUnauthorized: false },
(res) => {
let body = "";
res.on("data", (d) => { body += d; });
res.on("end", () => {
try {
const json = JSON.parse(body);
resolve(json.ok === true ? { ok: true, pid: json.pid || null } : null);
} catch { resolve(null); }
});
}
);
req.on("error", () => {
if (Date.now() < deadline) setTimeout(check, 500);
else resolve(null);
});
req.end();
};
check();
});
}
/**
* Get full MITM status including per-tool DNS status
*/
async function getMitmStatus() {
let running = serverProcess !== null && !serverProcess.killed;
let pid = serverPid;
if (!running) {
try {
if (fs.existsSync(PID_FILE)) {
const savedPid = parseInt(fs.readFileSync(PID_FILE, "utf-8").trim(), 10);
if (savedPid && isProcessAlive(savedPid)) {
running = true;
pid = savedPid;
} else {
fs.unlinkSync(PID_FILE);
}
}
} catch { /* ignore */ }
}
const dnsStatus = checkAllDNSStatus();
const rootCACertPath = path.join(MITM_DIR, "rootCA.crt");
const certExists = fs.existsSync(rootCACertPath);
return { running, pid, certExists, dnsStatus };
}
/**
* Start MITM server only (cert + server, no DNS)
*/
async function startServer(apiKey, sudoPassword) {
if (!serverProcess || serverProcess.killed) {
try {
if (fs.existsSync(PID_FILE)) {
const savedPid = parseInt(fs.readFileSync(PID_FILE, "utf-8").trim(), 10);
if (savedPid && isProcessAlive(savedPid)) {
serverPid = savedPid;
console.log(`[MITM] Reusing existing process PID ${savedPid}`);
await saveMitmSettings(true, sudoPassword);
if (sudoPassword) setCachedPassword(sudoPassword);
return { running: true, pid: savedPid };
} else {
fs.unlinkSync(PID_FILE);
}
}
} catch { /* ignore */ }
}
if (serverProcess && !serverProcess.killed) {
throw new Error("MITM server is already running");
}
await killLeftoverMitm(sudoPassword);
if (!IS_WIN) {
const portStatus = await checkPort443Free();
if (portStatus === "in-use" || portStatus === "no-permission") {
const owner = await getPort443Owner(sudoPassword);
if (owner && owner.name === "node") {
console.log(`[MITM] Killing orphan node process on port 443 (PID ${owner.pid})...`);
try {
const { execWithPassword } = require("./dns/dnsConfig");
await execWithPassword(`kill -9 ${owner.pid}`, sudoPassword);
await new Promise(r => setTimeout(r, 800));
} catch { /* best effort */ }
} else if (owner) {
const shortName = owner.name.includes("/")
? owner.name.split("/").filter(Boolean).pop()
: owner.name;
throw new Error(`Port 443 is already in use by "${shortName}" (PID ${owner.pid}). Stop that process first.`);
}
}
}
// Step 1: Auto-migration - Generate Root CA if not exists
const rootCACertPath = path.join(MITM_DIR, "rootCA.crt");
const rootCAKeyPath = path.join(MITM_DIR, "rootCA.key");
if (!fs.existsSync(rootCACertPath) || !fs.existsSync(rootCAKeyPath)) {
console.log("[MITM] Generating Root CA certificate (first time or migration)...");
await generateCert();
}
// Step 1.5: Auto-install Root CA if not trusted yet
const { checkCertInstalled } = require("./cert/install");
const rootCATrusted = await checkCertInstalled(rootCACertPath);
if (!rootCATrusted) {
console.log("[MITM] Installing Root CA to system trust store...");
// Use provided password or cached/stored password
const password = sudoPassword || getCachedPassword() || await loadEncryptedPassword();
if (!password && !IS_WIN) {
throw new Error("Sudo password required to install Root CA certificate");
}
await installCert(password, rootCACertPath);
console.log("✅ Root CA installed successfully");
}
// Step 2: Spawn server (Root CA already installed in Step 1.5)
if (IS_WIN) {
const hostsFile = path.join(process.env.SystemRoot || "C:\\Windows", "System32", "drivers", "etc", "hosts");
const flagFile = path.join(os.tmpdir(), `mitm_ready_${Date.now()}.flag`);
const psSQ = (s) => s.replace(/'/g, "''");
const nodePs = psSQ(process.execPath);
const serverPs = psSQ(SERVER_PATH);
const flagPs = psSQ(flagFile);
const psScript = [
`$conn = Get-NetTCPConnection -LocalPort 443 -State Listen -ErrorAction SilentlyContinue | Select-Object -First 1`,
`if ($conn -and $conn.OwningProcess -gt 4) { Stop-Process -Id $conn.OwningProcess -Force -ErrorAction SilentlyContinue }`,
`Start-Sleep -Milliseconds 500`,
`$nodeCmd = 'set ROUTER_API_KEY=${psSQ(apiKey)}&& set NODE_ENV=production&& "${nodePs}" "${serverPs}"'`,
`Start-Process cmd -ArgumentList '/c',$nodeCmd -WindowStyle Hidden`,
`Start-Sleep -Milliseconds 500`,
`Set-Content -Path '${flagPs}' -Value 'ready' -Encoding UTF8`,
].join("\n");
const tmpPs1 = path.join(os.tmpdir(), `mitm_start_${Date.now()}.ps1`);
fs.writeFileSync(tmpPs1, psScript, "utf8");
const vbs = [
`Set oShell = CreateObject("Shell.Application")`,
`Dim ps`,
`ps = Chr(34) & "powershell.exe" & Chr(34)`,
`Dim args`,
`args = "-NoProfile -ExecutionPolicy Bypass -File " & Chr(34) & "${tmpPs1}" & Chr(34)`,
`oShell.ShellExecute ps, args, "", "runas", 1`,
].join("\r\n");
const tmpVbs = path.join(os.tmpdir(), `mitm_uac_${Date.now()}.vbs`);
fs.writeFileSync(tmpVbs, vbs, "utf8");
spawn("wscript.exe", [tmpVbs], { stdio: "ignore", windowsHide: true, detached: true }).unref();
await new Promise((resolve, reject) => {
const deadline = Date.now() + 90000;
const poll = () => {
if (fs.existsSync(flagFile)) {
try { fs.unlinkSync(flagFile); fs.unlinkSync(tmpPs1); fs.unlinkSync(tmpVbs); } catch { /* ignore */ }
return resolve();
}
if (Date.now() > deadline) return reject(new Error("Timed out waiting for UAC confirmation."));
setTimeout(poll, 500);
};
poll();
});
if (_updateSettings) await _updateSettings({ mitmCertInstalled: true }).catch(() => { });
} else {
// Non-Windows: Root CA already installed in Step 1.5, just spawn server
const inlineCmd = `ROUTER_API_KEY='${apiKey}' NODE_ENV='production' '${process.execPath}' '${SERVER_PATH}'`;
serverProcess = spawn(
"sudo", ["-S", "-E", "sh", "-c", inlineCmd],
{ detached: false, stdio: ["pipe", "pipe", "pipe"] }
);
serverProcess.stdin.write(`${sudoPassword}\n`);
serverProcess.stdin.end();
}
if (!IS_WIN && serverProcess) {
serverPid = serverProcess.pid;
fs.writeFileSync(PID_FILE, String(serverPid));
}
let startError = null;
if (!IS_WIN) {
serverProcess.stdout.on("data", (data) => {
console.log(`[MITM Server] ${data.toString().trim()}`);
});
serverProcess.stderr.on("data", (data) => {
const msg = data.toString().trim();
if (msg && !msg.includes("Password:") && !msg.includes("password for")) {
console.error(`[MITM Server Error] ${msg}`);
startError = msg;
}
});
serverProcess.on("exit", (code) => {
console.log(`MITM server exited with code ${code}`);
serverProcess = null;
serverPid = null;
try { fs.unlinkSync(PID_FILE); } catch { /* ignore */ }
});
}
const health = await pollMitmHealth(IS_WIN ? 15000 : 8000, MITM_PORT);
if (!health) {
if (IS_WIN) serverProcess = null;
const processUsing443 = getProcessUsingPort443();
const portInfo = processUsing443 ? ` Port 443 already in use by ${processUsing443}.` : "";
const reason = startError || `Check sudo password or port 443 access.${portInfo}`;
throw new Error(`MITM server failed to start. ${reason}`);
}
if (IS_WIN && _updateSettings) await _updateSettings({ mitmCertInstalled: true }).catch(() => { });
if (IS_WIN && health.pid) {
serverPid = health.pid;
fs.writeFileSync(PID_FILE, String(serverPid));
}
await saveMitmSettings(true, sudoPassword);
if (sudoPassword) setCachedPassword(sudoPassword);
return { running: true, pid: serverPid };
}
/**
* Stop MITM server — removes ALL tool DNS entries first, then kills server
*/
async function stopServer(sudoPassword) {
// Remove all DNS entries first (before killing server)
console.log("[MITM] Removing all DNS entries before stopping server...");
await removeAllDNSEntries(sudoPassword);
const proc = serverProcess;
if (proc && !proc.killed) {
console.log("Stopping MITM server...");
killProcess(proc.pid, false, sudoPassword);
await new Promise(resolve => setTimeout(resolve, 1000));
if (isProcessAlive(proc.pid)) killProcess(proc.pid, true, sudoPassword);
serverProcess = null;
serverPid = null;
} else {
try {
if (fs.existsSync(PID_FILE)) {
const savedPid = parseInt(fs.readFileSync(PID_FILE, "utf-8").trim(), 10);
if (savedPid && isProcessAlive(savedPid)) {
console.log(`Killing MITM server (PID: ${savedPid})...`);
killProcess(savedPid, false, sudoPassword);
await new Promise(resolve => setTimeout(resolve, 1000));
if (isProcessAlive(savedPid)) killProcess(savedPid, true, sudoPassword);
}
}
} catch { /* ignore */ }
serverProcess = null;
serverPid = null;
}
if (IS_WIN) {
const hostsFile = path.join(process.env.SystemRoot || "C:\\Windows", "System32", "drivers", "etc", "hosts");
const psSQ = (s) => s.replace(/'/g, "''");
const { TOOL_HOSTS } = require("./dns/dnsConfig");
const allHosts = Object.values(TOOL_HOSTS).flat();
let hostsContent = "";
try { hostsContent = fs.readFileSync(hostsFile, "utf8"); } catch { /* ignore */ }
const filtered = hostsContent.split(/\r?\n/)
.filter(l => !allHosts.some(h => l.includes(h)))
.join("\r\n");
const tmpHosts = path.join(os.tmpdir(), "mitm_hosts_clean.tmp");
fs.writeFileSync(tmpHosts, filtered, "utf8");
const flagFile = path.join(os.tmpdir(), "mitm_stop_done.flag");
const psScript = [
`Copy-Item -Path '${psSQ(tmpHosts)}' -Destination '${psSQ(hostsFile)}' -Force`,
`& ipconfig /flushdns | Out-Null`,
`Remove-Item '${psSQ(tmpHosts)}' -ErrorAction SilentlyContinue`,
`Set-Content -Path '${psSQ(flagFile)}' -Value 'done' -Encoding UTF8`,
].join("\n");
const tmpPs1 = path.join(os.tmpdir(), "mitm_stop.ps1");
fs.writeFileSync(tmpPs1, psScript, "utf8");
const vbs = [
`Set oShell = CreateObject("Shell.Application")`,
`Dim args`,
`args = "-NoProfile -ExecutionPolicy Bypass -File " & Chr(34) & "${tmpPs1}" & Chr(34)`,
`oShell.ShellExecute "powershell.exe", args, "", "runas", 1`,
].join("\r\n");
const tmpVbs = path.join(os.tmpdir(), "mitm_stop_uac.vbs");
fs.writeFileSync(tmpVbs, vbs, "utf8");
spawn("wscript.exe", [tmpVbs], { stdio: "ignore", windowsHide: true, detached: true }).unref();
await new Promise((resolve) => {
const deadline = Date.now() + 30000;
const poll = () => {
if (fs.existsSync(flagFile)) {
try { fs.unlinkSync(flagFile); fs.unlinkSync(tmpPs1); fs.unlinkSync(tmpVbs); } catch { /* ignore */ }
return resolve();
}
if (Date.now() > deadline) return resolve();
setTimeout(poll, 500);
};
poll();
});
}
try { fs.unlinkSync(PID_FILE); } catch { /* ignore */ }
await saveMitmSettings(false, null);
return { running: false, pid: null };
}
/**
* Enable DNS for a specific tool (requires server running)
*/
async function enableToolDNS(tool, sudoPassword) {
const status = await getMitmStatus();
if (!status.running) throw new Error("MITM server is not running. Start the server first.");
// Use cached password if not provided
const password = sudoPassword || getCachedPassword() || await loadEncryptedPassword();
await addDNSEntry(tool, password);
return { success: true };
}
/**
* Disable DNS for a specific tool
*/
async function disableToolDNS(tool, sudoPassword) {
// Use cached password if not provided
const password = sudoPassword || getCachedPassword() || await loadEncryptedPassword();
await removeDNSEntry(tool, password);
return { success: true };
}
// Legacy aliases for backward compatibility
const startMitm = startServer;
const stopMitm = stopServer;
module.exports = {
getMitmStatus,
startServer,
stopServer,
enableToolDNS,
disableToolDNS,
// Legacy
startMitm,
stopMitm,
getCachedPassword,
setCachedPassword,
loadEncryptedPassword,
initDbHooks,
};