From ff0f84e3aa23a32106e88e84c7abe10229200e9e Mon Sep 17 00:00:00 2001
From: bloerwald <bloerwald@googlemail.com>
Date: Tue, 28 Oct 2014 18:33:19 +0000
Subject: Tools/connection_patcher: remove c# code, add c++ code with minor
 modification, move to tools, integrate into cmake

note: no longer downloads nonexistent modules
note: now throws on not finding patterns
new dependency: boost.filesystem

Closes #13471
---
 src/tools/connection_patcher/Helper.cpp | 58 +++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/tools/connection_patcher/Helper.cpp

(limited to 'src/tools/connection_patcher/Helper.cpp')

diff --git a/src/tools/connection_patcher/Helper.cpp b/src/tools/connection_patcher/Helper.cpp
new file mode 100644
index 00000000000..75de2452d26
--- /dev/null
+++ b/src/tools/connection_patcher/Helper.cpp
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2012-2014 Arctium Emulation <http://arctium.org>
+ * Copyright (C) 2008-2014 TrinityCore <http://www.trinitycore.org/>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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 "Helper.hpp"
+
+#include <SHA256.h>
+#include <Util.h>
+
+#include <stdexcept>
+
+namespace Connection_Patcher
+{
+    namespace Helper
+    {
+        Constants::BinaryTypes GetBinaryType(std::vector<unsigned char> const& data)
+        {
+            // Check MS-DOS magic
+            if (*reinterpret_cast<uint16_t const*>(data.data()) == 0x5A4D)
+            {
+                uint32_t const peOffset(*reinterpret_cast<uint32_t const*>(data.data() + 0x3C));
+
+                // Check PE magic
+                if (*reinterpret_cast<uint32_t const*>(data.data() + peOffset) != 0x4550)
+                    throw std::invalid_argument("Not a PE file!");
+
+                return Constants::BinaryTypes(*reinterpret_cast<uint16_t const*>(data.data() + peOffset + 4));
+            }
+            else
+            {
+                return Constants::BinaryTypes(*reinterpret_cast<uint32_t const*>(data.data()));
+            }
+        }
+
+        std::string GetFileChecksum(std::vector<unsigned char> const& data)
+        {
+            SHA256Hash h;
+            h.UpdateData(data.data(), data.size());
+            h.Finalize();
+
+            return ByteArrayToHexStr(h.GetDigest(), h.GetLength());
+        }
+    }
+}
-- 
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