ModSecurity/src/actions/transformations/remove_comments_char.cc
2020-10-29 13:44:02 -03:00

76 lines
2.0 KiB
C++

/*
* ModSecurity, http://www.modsecurity.org/
* Copyright (c) 2015 - 2020 Trustwave Holdings, Inc. (http://www.trustwave.com/)
*
* You may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* If any of the files related to licensing are missing or if you have any
* other questions related to licensing please contact Trustwave Holdings, Inc.
* directly using the email address security@modsecurity.org.
*
*/
#include "src/actions/transformations/remove_comments_char.h"
#include <iostream>
#include <string>
#include <algorithm>
#include <functional>
#include <cctype>
#include <locale>
#include "modsecurity/transaction.h"
#include "src/actions/transformations/transformation.h"
namespace modsecurity {
namespace actions {
namespace transformations {
void RemoveCommentsChar::execute(Transaction *t,
ModSecString &in,
ModSecString &out) {
int64_t i;
out = in;
i = 0;
while (i < out.size()) {
if (out.at(i) == '/'
&& (i+1 < out.size()) && out.at(i+1) == '*') {
out.erase(i, 2);
} else if (out.at(i) == '*'
&& (i+1 < out.size()) && out.at(i+1) == '/') {
out.erase(i, 2);
} else if (out.at(i) == '<'
&& (i+1 < out.size())
&& out.at(i+1) == '!'
&& (i+2 < out.size())
&& out.at(i+2) == '-'
&& (i+3 < out.size())
&& out.at(i+3) == '-') {
out.erase(i, 4);
} else if (out.at(i) == '-'
&& (i+1 < out.size()) && out.at(i+1) == '-'
&& (i+2 < out.size()) && out.at(i+2) == '>') {
out.erase(i, 3);
} else if (out.at(i) == '-'
&& (i+1 < out.size()) && out.at(i+1) == '-') {
out.erase(i, 2);
} else if (out.at(i) == '#') {
out.erase(i, 1);
} else {
i++;
}
}
}
} // namespace transformations
} // namespace actions
} // namespace modsecurity