patches: add JD2016

PATCHES.md

@@ -0,0 +1,7 @@
+## `ssl_verify_cert_chain`
+- can be identified by `ssl_client` string (string is also used in .data, safe to ignore)
+- patch first error check to always take, but return 1 instead of 0 in the error case, problem solved!
+
+## `X509_verify_cert`
+- Chromium calls this directly because screw you
+- just replace the whole function with `li r3, 1; blr`

src/patcher/ingame.cpp

@@ -19,6 +19,7 @@
 #include <coreinit/title.h>
 
 #include "patches/youtube.h"
+#include "patches/just_dance_2016.h"
 
 void RunPatcher() {
     auto orplinfo = TryGetRPLInfo();
@@ -53,4 +54,5 @@ void RunPatcher() {
 
     // "always" patches
     Patch_youtube(titleVer, titleId, rpls);
+    Patch_just_dance_2016(titleVer, titleId, rpls);
 }

src/patcher/patches/just_dance_2016.cpp

@@ -0,0 +1,24 @@
+//
+// Created by ash on 24/10/22.
+//
+
+#include "just_dance_2016.h"
+#include "utils/logger.h"
+#include "patcher/patcher.h"
+
+#include <cstdint>
+
+void Patch_just_dance_2016(uint32_t titleVer, uint64_t titleId, const rplinfo& rpls) {
+    if (titleId == 0x00050000101B9800 && titleVer == 32) {
+        auto rpx = FindRPL(rpls, "wiiu_ua_engine_f.rpx");
+        if (!rpx) return;
+
+        DEBUG_FUNCTION_LINE("Detected JD2016 EUR v%d - patching...", titleVer);
+        // OpenSSL ssl_verify_cert_chain
+        PatchInstruction((void*)(rpx->textAddr + 0x0200907c), 0x40820020, 0x60000000);
+        PatchInstruction((void*)(rpx->textAddr + 0x02009094), 0x38600000, 0x38600001);
+        // OpenSSL X509_verify_cert (just in case lol)
+        PatchInstruction((void*)(rpx->textAddr + 0x0203ebfc), 0x9421ffb8, 0x38600001);
+        PatchInstruction((void*)(rpx->textAddr + 0x0203ec00), 0xbe410010, 0x4e800020);
+    }
+}

src/patcher/patches/just_dance_2016.h

@@ -0,0 +1,12 @@
+//
+// Created by ash on 24/10/22.
+//
+
+#ifndef INKAY_JUST_DANCE_2016_H
+#define INKAY_JUST_DANCE_2016_H
+
+#include "patcher/rplinfo.h"
+
+void Patch_just_dance_2016(uint32_t titleVer, uint64_t titleId, const rplinfo& rpls);
+
+#endif //INKAY_JUST_DANCE_2016_H