mirror of
https://github.com/owasp-modsecurity/ModSecurity.git
synced 2025-08-13 21:36:00 +03:00
76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
/*
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* ModSecurity, http://www.modsecurity.org/
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* Copyright (c) 2015 - 2021 Trustwave Holdings, Inc. (http://www.trustwave.com/)
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*
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* You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* If any of the files related to licensing are missing or if you have any
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* other questions related to licensing please contact Trustwave Holdings, Inc.
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* directly using the email address security@modsecurity.org.
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*
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*/
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#include "cmd_line.h"
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namespace modsecurity::actions::transformations {
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bool CmdLine::transform(std::string &value, const Transaction *trans) const {
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char *d = value.data();
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bool space = false;
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for (const auto& a : value) {
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switch (a) {
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/* remove some characters */
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case '"':
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case '\'':
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case '\\':
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case '^':
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break;
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/* replace some characters to space (only one) */
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case ' ':
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case ',':
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case ';':
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case '\t':
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case '\r':
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case '\n':
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if (space == false) {
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*d++ = ' ';
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space = true;
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}
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break;
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/* remove space before / or ( */
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case '/':
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case '(':
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if (space) {
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d--;
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}
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space = false;
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*d++ = a;
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break;
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/* copy normal characters */
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default :
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char b = std::tolower(a);
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*d++ = b;
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space = false;
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break;
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}
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}
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const auto new_len = d - value.c_str();
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const auto changed = new_len != value.length();
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value.resize(new_len);
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return changed;
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}
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} // namespace modsecurity::actions::transformations
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