From 6bd1a78eebd571aa9a35a993d90f1b6018b18e9a Mon Sep 17 00:00:00 2001
From: aaronyujiaze <aaronyujiaze@google.com>
Date: Thu, 16 Jun 2022 12:32:45 -0700
Subject: [PATCH] Add size limit check for Bluetooth Classic SetName

PiperOrigin-RevId: 455442872
---
 .../platform/implementation/windows/bluetooth_adapter.cc   | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/internal/platform/implementation/windows/bluetooth_adapter.cc b/internal/platform/implementation/windows/bluetooth_adapter.cc
index cffe1662..8925f032 100644
--- a/internal/platform/implementation/windows/bluetooth_adapter.cc
+++ b/internal/platform/implementation/windows/bluetooth_adapter.cc
@@ -246,6 +246,13 @@ std::string BluetoothAdapter::GetName() const {
 
 // https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#setName(java.lang.String)
 bool BluetoothAdapter::SetName(absl::string_view name) {
+  if (name.size() > 70 * sizeof(char)) {
+    NEARBY_LOGS(ERROR) << __func__
+                       << ": Failed to set name for bluetooth adapter because "
+                          "the name exceeded the 70 bytes limit for Windows.";
+    return false;
+  }
+
   std::string instance_id(GetGenericBluetoothAdapterInstanceID());
 
   if (instance_id.empty()) {