From ba78b2536539b91d97435dfcbc18a82d9e55fcf1 Mon Sep 17 00:00:00 2001
From: georgemoralis <giorgosmrls@gmail.com>
Date: Sun, 5 Jan 2025 16:57:44 +0200
Subject: [PATCH] intial sceNetSetsockopt

---
 CMakeLists.txt                               |  1 +
 src/core/libraries/network/net.cpp           | 10 +++++-
 src/core/libraries/network/net_error.h       | 11 +++++++
 src/core/libraries/network/posix_sockets.cpp | 33 ++++++++++++++++++++
 src/core/libraries/network/sockets.h         | 12 ++++++-
 5 files changed, 65 insertions(+), 2 deletions(-)
 create mode 100644 src/core/libraries/network/net_error.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 191bc6cfc..47546d423 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -312,6 +312,7 @@ set(NETWORK_LIBS src/core/libraries/network/http.cpp
                  src/core/libraries/network/ssl2.h
                  src/core/libraries/network/posix_sockets.cpp
                  src/core/libraries/network/sockets.h
+                 src/core/libraries/network/net_error.h
 )
 
 set(AVPLAYER_LIB src/core/libraries/avplayer/avplayer_common.cpp
diff --git a/src/core/libraries/network/net.cpp b/src/core/libraries/network/net.cpp
index 3137268c0..a83f6ef8a 100644
--- a/src/core/libraries/network/net.cpp
+++ b/src/core/libraries/network/net.cpp
@@ -16,6 +16,7 @@
 #include "core/libraries/error_codes.h"
 #include "core/libraries/libs.h"
 #include "core/libraries/network/net.h"
+#include "net_error.h"
 #include "sockets.h"
 
 namespace Libraries::Net {
@@ -959,7 +960,14 @@ int PS4_SYSV_ABI sceNetSetDnsInfoToKernel() {
 int PS4_SYSV_ABI sceNetSetsockopt(OrbisNetId s, int level, int optname, const void* optval,
                                   u32 optlen) {
     LOG_ERROR(Lib_Net, "s = {} level = {} optname = {} optlen = {}", s, level, optname, optlen);
-    return ORBIS_OK;
+    auto* netcall = Common::Singleton<NetInternal>::Instance();
+    auto sock = netcall->FindSocket(s);
+    if (!sock) {
+        net_errno = ORBIS_NET_EBADF;
+        LOG_ERROR(Lib_Net, "socket id is invalid = {}", s);
+        return ORBIS_NET_ERROR_EBADF;
+    }
+    return sock->SetSocketOptions(level, optname, optval, optlen);
 }
 
 int PS4_SYSV_ABI sceNetShowIfconfig() {
diff --git a/src/core/libraries/network/net_error.h b/src/core/libraries/network/net_error.h
new file mode 100644
index 000000000..740590472
--- /dev/null
+++ b/src/core/libraries/network/net_error.h
@@ -0,0 +1,11 @@
+// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+// net errno codes
+
+constexpr int ORBIS_NET_EBADF = 9;
+
+// error codes
+constexpr int ORBIS_NET_ERROR_EBADF = 0x80410109;
diff --git a/src/core/libraries/network/posix_sockets.cpp b/src/core/libraries/network/posix_sockets.cpp
index e69de29bb..36a6aba5c 100644
--- a/src/core/libraries/network/posix_sockets.cpp
+++ b/src/core/libraries/network/posix_sockets.cpp
@@ -0,0 +1,33 @@
+// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <common/assert.h>
+#include "net.h"
+#include "sockets.h"
+
+namespace Libraries::Net {
+
+static int ConvertLevels(int level) {
+    switch (level) {
+    case ORBIS_NET_SOL_SOCKET:
+        return SOL_SOCKET;
+    case ORBIS_NET_IPPROTO_IP:
+        return IPPROTO_IP;
+    case ORBIS_NET_IPPROTO_TCP:
+        return IPPROTO_TCP;
+    }
+    return -1;
+}
+
+int PosixSocket::SetSocketOptions(int level, int optname, const void* optval, unsigned int optlen) {
+    level = ConvertLevels(level);
+    if (level == SOL_SOCKET) {
+        switch (optname) {
+        case ORBIS_NET_SO_REUSEADDR:
+            return setsockopt(sock, level, SO_REUSEADDR, (const char*)optval, optlen);
+        }
+    }
+    UNREACHABLE_MSG("Unknown level ={} optname ={}", level, optname);
+    return 0;
+}
+} // namespace Libraries::Net
\ No newline at end of file
diff --git a/src/core/libraries/network/sockets.h b/src/core/libraries/network/sockets.h
index 6ef2da3e7..1369451a8 100644
--- a/src/core/libraries/network/sockets.h
+++ b/src/core/libraries/network/sockets.h
@@ -32,20 +32,30 @@ typedef std::shared_ptr<Socket> SocketPtr;
 
 struct Socket {
     explicit Socket(int domain, int type, int protocol) {}
-
     virtual ~Socket() = default;
+    virtual int SetSocketOptions(int level, int optname, const void* optval,
+                                 unsigned int optlen) = 0;
 };
 
 struct PosixSocket : public Socket {
     net_socket sock;
     explicit PosixSocket(int domain, int type, int protocol)
         : Socket(domain, type, protocol), sock(socket(domain, type, protocol)) {}
+    int SetSocketOptions(int level, int optname, const void* optval, unsigned int optlen) override;
 };
 
 class NetInternal {
 public:
     explicit NetInternal() = default;
     ~NetInternal() = default;
+    SocketPtr FindSocket(int sockid) {
+        std::scoped_lock lock{m_mutex};
+        const auto it = socks.find(sockid);
+        if (it != socks.end()) {
+            return it->second;
+        }
+        return nullptr;
+    }
 
 public:
     std::mutex m_mutex;