First release of open-appsec source code

components/security_apps/waap/waap_clib/WaapValueStatsAnalyzer.h

@@ -0,0 +1,39 @@
+// 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.
+
+#pragma once
+#include <string>
+
+bool checkUrlEncoded(const char *buf, size_t len);
+
+// Process value (buffer) and calculate some statistics/insights over it, for use in later processing.
+// The insights are computed in te same for loop for performance reasons.
+struct ValueStatsAnalyzer
+{
+    ValueStatsAnalyzer(const std::string &cur_val);
+    bool hasCharSlash;
+    bool hasCharColon;
+    bool hasCharAmpersand;
+    bool hasCharEqual;
+    bool hasTwoCharsEqual;
+    bool hasCharSemicolon;
+    bool hasCharPipe;
+    unsigned int longestZerosSeq[2]; // longest zeros sequence. counted over even (index 0) and odd (index 1) offsets
+    bool isUTF16;
+    bool canSplitSemicolon;
+    bool canSplitPipe;
+    bool hasSpace;
+    bool isUrlEncoded;
+};
+
+