From 57f0f8c9b7af75906ca5f758eedb8475b8cbcda6 Mon Sep 17 00:00:00 2001
From: AnotherTest <ali.mpfard@gmail.com>
Date: Sat, 24 Oct 2020 11:28:02 +0330
Subject: [PATCH] UserspaceEmulator: Handle SO_BINDTODEVICE in setsockopt

---
 DevTools/UserspaceEmulator/Emulator.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/DevTools/UserspaceEmulator/Emulator.cpp b/DevTools/UserspaceEmulator/Emulator.cpp
index ab763175f6..e72d8d57d8 100644
--- a/DevTools/UserspaceEmulator/Emulator.cpp
+++ b/DevTools/UserspaceEmulator/Emulator.cpp
@@ -531,6 +531,13 @@ int Emulator::virt$setsockopt(FlatPtr params_addr)
         return rc;
     }
 
+    if (params.option == SO_BINDTODEVICE) {
+        auto ifname = mmu().copy_buffer_from_vm((FlatPtr)params.value, params.value_size);
+        params.value = ifname.data();
+        params.value_size = ifname.size();
+        return syscall(SC_setsockopt, &params);
+    }
+
     TODO();
 }