1 /*
2  * ModSecurity, http://www.modsecurity.org/
3  * Copyright (c) 2015 - 2021 Trustwave Holdings, Inc. (http://www.trustwave.com/)
4  *
5  * You may not use this file except in compliance with
6  * the License.  You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * If any of the files related to licensing are missing or if you have any
11  * other questions related to licensing please contact Trustwave Holdings, Inc.
12  * directly using the email address security@modsecurity.org.
13  *
14  */
15 
16 #ifndef SRC_OPERATORS_VALIDATE_BYTE_RANGE_H_
17 #define SRC_OPERATORS_VALIDATE_BYTE_RANGE_H_
18 
19 #include <string>
20 #include <vector>
21 #include <cstring>
22 #include <memory>
23 #include <utility>
24 
25 #include "src/operators/operator.h"
26 
27 
28 namespace modsecurity {
29 namespace operators {
30 
31 class ValidateByteRange : public Operator {
32  public:
33     /** @ingroup ModSecurity_Operator */
ValidateByteRange(std::unique_ptr<RunTimeString> param)34     explicit ValidateByteRange(std::unique_ptr<RunTimeString> param)
35         : Operator("ValidateByteRange", std::move(param)) {
36             std::memset(table, '\0', sizeof(char) * 32);
37         }
~ValidateByteRange()38     ~ValidateByteRange() override { }
39 
40     bool evaluate(Transaction *transaction, RuleWithActions *rule,
41         const std::string &input,
42         std::shared_ptr<RuleMessage> ruleMessage) override;
43     bool getRange(const std::string &rangeRepresentation, std::string *error);
44     bool init(const std::string& file, std::string *error) override;
45  private:
46     std::vector<std::string> ranges;
47     char table[32];
48 };
49 
50 }  // namespace operators
51 }  // namespace modsecurity
52 
53 
54 #endif  // SRC_OPERATORS_VALIDATE_BYTE_RANGE_H_
55