From 22f745761bb83c8f1336bd3d536d24b1cf51e6ec Mon Sep 17 00:00:00 2001
From: Moonchild <moonchild@palemoon.org>
Date: Sun, 23 Jun 2024 17:31:02 +0200
Subject: [PATCH] Issue #2536 - Re-implement plugin enumeration shuffle.

Resolves #2536
---
 dom/plugins/base/nsPluginHost.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/dom/plugins/base/nsPluginHost.cpp b/dom/plugins/base/nsPluginHost.cpp
index b3dbb4205b..a665dfbc16 100644
--- a/dom/plugins/base/nsPluginHost.cpp
+++ b/dom/plugins/base/nsPluginHost.cpp
@@ -1136,6 +1136,15 @@ nsPluginHost::GetPlugins(nsTArray<nsCOMPtr<nsIInternalPluginTag>>& aPluginArray,
     }
     plugin = plugin->mNext;
   }
+
+  // Durstenfeld shuffle
+  size_t pluginCount = aPluginArray.Length();
+  if (pluginCount >= 2) {
+    for (size_t i = pluginCount - 1; i > 0; i--) {
+      size_t j = rand() % (i + 1);
+      std::swap(aPluginArray[i],aPluginArray[j]);
+    }
+  }
 }
 
 // FIXME-jsplugins Check users for order of fake v non-fake