From 21ee5243226582911a454d4477db40e41e05851a Mon Sep 17 00:00:00 2001
From: georgemoralis <giorgosmrls@gmail.com>
Date: Fri, 3 Jan 2025 11:47:45 +0200
Subject: [PATCH] sceNetGetMacAddress

---
 CMakeLists.txt                         |  1 +
 src/core/libraries/network/net.cpp     | 33 ++++++++++++++++++++++----
 src/core/libraries/network/net.h       |  8 ++++++-
 src/core/libraries/network/net_error.h | 10 ++++++++
 4 files changed, 46 insertions(+), 6 deletions(-)
 create mode 100644 src/core/libraries/network/net_error.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6bb276192..1c0e3961c 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -262,6 +262,7 @@ set(NETWORK_LIBS src/core/libraries/network/http.cpp
                  src/core/libraries/network/net_ctl_obj.h
                  src/core/libraries/network/net_ctl_codes.h
                  src/core/libraries/network/net.h
+                 src/core/libraries/network/net_error.h
                  src/core/libraries/network/ssl.cpp
                  src/core/libraries/network/ssl.h
 )
diff --git a/src/core/libraries/network/net.cpp b/src/core/libraries/network/net.cpp
index 161fc5214..3d7c3ecfc 100644
--- a/src/core/libraries/network/net.cpp
+++ b/src/core/libraries/network/net.cpp
@@ -15,6 +15,7 @@
 #include "core/libraries/error_codes.h"
 #include "core/libraries/libs.h"
 #include "core/libraries/network/net.h"
+#include "net_error.h"
 
 namespace Libraries::Net {
 
@@ -640,11 +641,6 @@ int PS4_SYSV_ABI sceNetGetIfnameNumList() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceNetGetMacAddress() {
-    LOG_ERROR(Lib_Net, "(STUBBED) called");
-    return ORBIS_OK;
-}
-
 int PS4_SYSV_ABI sceNetGetMemoryPoolStats() {
     LOG_ERROR(Lib_Net, "(STUBBED) called");
     return ORBIS_OK;
@@ -1125,6 +1121,33 @@ int PS4_SYSV_ABI sceNetEmulationSet() {
     return ORBIS_OK;
 }
 
+/*
+**  Utility functions
+**
+*/
+int PS4_SYSV_ABI sceNetGetMacAddress(OrbisNetEtherAddr* addr, int flags) {
+    if (addr == nullptr) {
+        net_errno = ORBIS_NET_EINVAL;
+        LOG_ERROR(Lib_Net, "address in null");
+        return ORBIS_NET_ERROR_EINVAL;
+    }
+#ifdef _WIN32
+    IP_ADAPTER_INFO AdapterInfo[16];
+    DWORD dwBufLen = sizeof(AdapterInfo);
+    if (GetAdaptersInfo(AdapterInfo, &dwBufLen) != ERROR_SUCCESS) {
+        net_errno = ORBIS_NET_EINVAL;
+        return ORBIS_NET_ERROR_EINVAL;
+    } else {
+        memcpy(addr->data, AdapterInfo[0].Address, 6); // get MAC Address from first adapter
+    }
+#else
+    // TODO: Implement the function for non Windows OS
+    char fakeaddress[6] = {0x9A, 0x9D, 0xCA, 0xED, 0xA5, 0xCB};
+    memcpy(addr->data, fakeaddress, 6);
+#endif
+    return ORBIS_OK;
+}
+
 void RegisterlibSceNet(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("ZRAJo-A-ukc", "libSceNet", 1, "libSceNet", 1, 1, in6addr_any);
     LIB_FUNCTION("XCuA-GqjA-k", "libSceNet", 1, "libSceNet", 1, 1, in6addr_loopback);
diff --git a/src/core/libraries/network/net.h b/src/core/libraries/network/net.h
index 2f5a59b53..78162effe 100644
--- a/src/core/libraries/network/net.h
+++ b/src/core/libraries/network/net.h
@@ -36,6 +36,12 @@ struct OrbisNetSockaddrIn {
     char sin_zero[6];
 };
 
+#define SCE_NET_ETHER_ADDR_LEN 6
+
+struct OrbisNetEtherAddr {
+    u8 data[6];
+};
+
 int PS4_SYSV_ABI in6addr_any();
 int PS4_SYSV_ABI in6addr_loopback();
 int PS4_SYSV_ABI sce_net_dummy();
@@ -160,7 +166,7 @@ int PS4_SYSV_ABI sceNetGetIfList();
 int PS4_SYSV_ABI sceNetGetIfListOnce();
 int PS4_SYSV_ABI sceNetGetIfName();
 int PS4_SYSV_ABI sceNetGetIfnameNumList();
-int PS4_SYSV_ABI sceNetGetMacAddress();
+int PS4_SYSV_ABI sceNetGetMacAddress(OrbisNetEtherAddr* addr, int flags);
 int PS4_SYSV_ABI sceNetGetMemoryPoolStats();
 int PS4_SYSV_ABI sceNetGetNameToIndex();
 int PS4_SYSV_ABI sceNetGetpeername();
diff --git a/src/core/libraries/network/net_error.h b/src/core/libraries/network/net_error.h
new file mode 100644
index 000000000..fd8a25c7f
--- /dev/null
+++ b/src/core/libraries/network/net_error.h
@@ -0,0 +1,10 @@
+// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+// used by sce_net_errno
+constexpr int ORBIS_NET_EINVAL = 22;
+
+// error codes
+constexpr int ORBIS_NET_ERROR_EINVAL = 0x80410116;