set.mitm: mitm everything

We still only lie about firmware version to qlaunch/maintenance.

This is to prepare for loading settings off of the SD card.

stratosphere/set_mitm/source/setsys_firmware_version.cpp

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2018 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <mutex>
+#include <switch.h>
+
+#include "setsys_firmware_version.hpp"
+
+static HosMutex g_version_mutex;
+static bool g_got_version = false;
+static SetSysFirmwareVersion g_fw_version = {0};
+
+Result VersionManager::GetFirmwareVersion(u64 title_id, SetSysFirmwareVersion *out) {
+    std::scoped_lock<HosMutex> lock(g_version_mutex);
+    if (!g_got_version) {
+        Result rc = setsysGetFirmwareVersion(&g_fw_version);
+        if (R_FAILED(rc)) {
+            return rc;
+        }
+        
+        /* Modify the output firmware version. */
+        {
+            u32 major, minor, micro;
+            char display_version[sizeof(g_fw_version.display_version)] = {0};
+            
+            GetAtmosphereApiVersion(&major, &minor, &micro, nullptr, nullptr);
+            snprintf(display_version, sizeof(display_version), "%s (AMS %u.%u.%u)", g_fw_version.display_version, major, minor, micro);
+            
+            memcpy(g_fw_version.display_version, display_version, sizeof(g_fw_version.display_version));
+        }
+        
+        g_got_version = true;
+    }
+    
+    /* Report atmosphere string to qlaunch, maintenance and nothing else. */
+    if (title_id == 0x0100000000001000ULL || title_id == 0x0100000000001015ULL) {
+        *out = g_fw_version;
+        return 0;
+    } else {
+        return setsysGetFirmwareVersion(out);
+    }
+}