services/nifm: Implement GetCurrentIpAddress

This is trivially implemented using the Network abstraction

- Used by ftpd

src/core/hle/service/nifm/nifm.cpp

@@ -9,6 +9,7 @@
 #include "core/hle/kernel/writable_event.h"
 #include "core/hle/service/nifm/nifm.h"
 #include "core/hle/service/service.h"
+#include "core/network/network.h"
 #include "core/settings.h"
 
 namespace Service::NIFM {
@@ -174,6 +175,16 @@ private:
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(RESULT_SUCCESS);
     }
+    void GetCurrentIpAddress(Kernel::HLERequestContext& ctx) {
+        LOG_WARNING(Service_NIFM, "(STUBBED) called");
+
+        const auto [ipv4, error] = Network::GetHostIPv4Address();
+        UNIMPLEMENTED_IF(error != Network::Errno::SUCCESS);
+
+        IPC::ResponseBuilder rb{ctx, 3};
+        rb.Push(RESULT_SUCCESS);
+        rb.PushRaw(ipv4);
+    }
     void CreateTemporaryNetworkProfile(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_NIFM, "called");
 
@@ -235,7 +246,7 @@ IGeneralService::IGeneralService(Core::System& system)
         {9, nullptr, "SetNetworkProfile"},
         {10, &IGeneralService::RemoveNetworkProfile, "RemoveNetworkProfile"},
         {11, nullptr, "GetScanDataOld"},
-        {12, nullptr, "GetCurrentIpAddress"},
+        {12, &IGeneralService::GetCurrentIpAddress, "GetCurrentIpAddress"},
         {13, nullptr, "GetCurrentAccessPointOld"},
         {14, &IGeneralService::CreateTemporaryNetworkProfile, "CreateTemporaryNetworkProfile"},
         {15, nullptr, "GetCurrentIpConfigInfo"},