[HLCC-ICE-000001][ZY-CONTRIB-20260723-001] feat: 以来光者贡献链启用冰朔第五域个人子频道

server-tools/lake-lamp-authz/owner-access-broker.js

@@ -0,0 +1,86 @@
+"use strict";
+
+const fs = require("node:fs");
+const net = require("node:net");
+const path = require("node:path");
+const { execFile } = require("node:child_process");
+
+const SOCKET_PATH = process.env.LAKE_LAMP_OWNER_ACCESS_SOCKET || "/run/guanghu-owner-access/owner-access.sock";
+const SSH_CONFIG = process.env.LAKE_LAMP_SSH_CONFIG || "/etc/guanghu/action-broker-ssh-config";
+
+const RESTORE_OWNER_PASSWORD_LOGIN = String.raw`set -eu
+test "$(id -u)" = "0"
+cfg=/etc/ssh/sshd_config.d/90-guanghu-key-only.conf
+test -f "$cfg"
+backup_dir=/root/guanghu-security-backup-$(date -u +%Y%m%dT%H%M%SZ)
+mkdir -p "$backup_dir"
+chmod 0700 "$backup_dir"
+cp -a "$cfg" "$backup_dir/90-guanghu-key-only.conf.before"
+rollback() {
+  cp -a "$backup_dir/90-guanghu-key-only.conf.before" "$cfg"
+  /usr/sbin/sshd -t
+  systemctl reload ssh 2>/dev/null || systemctl reload sshd
+}
+trap 'rc=$?; if [ "$rc" -ne 0 ]; then rollback; fi; exit "$rc"' EXIT
+/usr/bin/python3 - "$cfg" <<'PY'
+from pathlib import Path
+import re, sys
+
+path = Path(sys.argv[1])
+text = path.read_text()
+pattern = re.compile(r"(?im)^\s*PasswordAuthentication\s+\S+\s*$")
+if pattern.search(text):
+    text = pattern.sub("PasswordAuthentication yes", text)
+else:
+    text = text.rstrip() + "\nPasswordAuthentication yes\n"
+path.write_text(text)
+PY
+/usr/sbin/sshd -t
+password=$(/usr/sbin/sshd -T | awk '$1 == "passwordauthentication" {print $2; exit}')
+root_login=$(/usr/sbin/sshd -T | awk '$1 == "permitrootlogin" {print $2; exit}')
+test "$password" = "yes"
+test "$root_login" != "yes"
+systemctl reload ssh 2>/dev/null || systemctl reload sshd
+printf 'PASSWORD_AUTH=%s\nROOT_PASSWORD_AUTH=%s\nSSH=%s\nBACKUP=%s\n' \
+  "$password" "$root_login" \
+  "$(systemctl is-active ssh 2>/dev/null || systemctl is-active sshd)" \
+  "$backup_dir/90-guanghu-key-only.conf.before"
+trap - EXIT`;
+
+function run(file, args) {
+  return new Promise(resolve => execFile(file, args, { timeout: 30000, maxBuffer: 100000 }, (error, stdout, stderr) => resolve({
+    ok: !error,
+    exit_code: error ? (Number.isInteger(error.code) ? error.code : 1) : 0,
+    stdout: String(stdout || "").slice(0, 100000),
+    stderr: String(stderr || "").slice(0, 10000),
+  })));
+}
+
+async function execute(request) {
+  if (!request || request.cmd || request.command || request.shell || request.args) return { ok: false, error: "arbitrary_command_forbidden" };
+  if (request.target !== "JD-FD-PRIMARY" || request.action !== "restore-owner-password-login") return { ok: false, error: "action_not_registered" };
+  return run("/usr/bin/ssh", ["-F", SSH_CONFIG, "-o", "BatchMode=yes", "-o", "ConnectTimeout=10", "enterprise-lighthouse", RESTORE_OWNER_PASSWORD_LOGIN]);
+}
+
+function reply(socket, value) { socket.end(`${JSON.stringify(value)}\n`); }
+
+if (require.main === module) {
+  fs.mkdirSync(path.dirname(SOCKET_PATH), { recursive: true, mode: 0o755 });
+  try { fs.unlinkSync(SOCKET_PATH); } catch (error) { if (error.code !== "ENOENT") throw error; }
+  const server = net.createServer({ allowHalfOpen: true }, socket => {
+    let input = "";
+    socket.setTimeout(5000, () => socket.destroy());
+    socket.on("data", chunk => { input += chunk.toString("utf8"); if (input.length > 4096) socket.destroy(); });
+    socket.on("end", async () => {
+      let request;
+      try { request = JSON.parse(input); } catch { return reply(socket, { ok: false, error: "invalid_request" }); }
+      reply(socket, await execute(request));
+    });
+  });
+  server.listen(SOCKET_PATH, () => {
+    fs.chownSync(SOCKET_PATH, 0, Number(process.env.LAKE_LAMP_AUTHZ_GID || 0));
+    fs.chmodSync(SOCKET_PATH, 0o660);
+  });
+}
+
+module.exports = { execute, RESTORE_OWNER_PASSWORD_LOGIN, SOCKET_PATH };