First release of open-appsec source code

core/buffers/buffer_eval.cc

@@ -0,0 +1,43 @@
+// Copyright (C) 2022 Check Point Software Technologies Ltd. All rights reserved.
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "buffer.h"
+#include "environment/evaluator_templates.h"
+
+using namespace EnvironmentHelper;
+
+class ConstantBuffer : public Constant<Buffer>
+{
+public:
+    ConstantBuffer(const std::vector<std::string> &params)
+            :
+        Constant<Buffer>(
+            [] (const std::string &str) { return Buffer(str); },
+            params
+        ) {}
+    static std::string getName() { return Constant<Buffer>::getName() + "Buffer"; }
+};
+
+class EqualBuffer : public Equal<Buffer>
+{
+public:
+    EqualBuffer(const std::vector<std::string> &params) : Equal<Buffer>(params) {}
+    static std::string getName() { return Equal<Buffer>::getName() + "Buffer"; }
+};
+
+void
+Buffer::preload()
+{
+    addMatcher<ConstantBuffer>();
+    addMatcher<EqualBuffer>();
+}