Function readToken

src/upstreamproxy/upstreamproxy.ts:206–218

(path: string)

}

async function readToken(path: string): Promise<string | null> {
  try {
    const raw = await readFile(path, 'utf8')
    return raw.trim() || null
  } catch (err) {
    if (isENOENT(err)) return null
    logForDebugging(
      `[upstreamproxy] token read failed: ${err instanceof Error ? err.message : String(err)}`,
      { level: 'warn' },
    )
    return null
  }
}

/**
 * prctl(PR_SET_DUMPABLE, 0) via libc FFI. Blocks same-UID ptrace of this