ModSecurity/src/operators/detect_xss.cc
2018-10-23 16:26:10 -03:00

60 lines
1.6 KiB
C++

/*
* ModSecurity, http://www.modsecurity.org/
* Copyright (c) 2015 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/operators/detect_xss.h"
#include <string>
#include "src/operators/operator.h"
#include "others/libinjection/src/libinjection.h"
namespace modsecurity {
namespace operators {
bool DetectXSS::evaluate(Transaction *t, Rule *rule,
const std::string& input, std::shared_ptr<RuleMessage> ruleMessage) {
int is_xss;
is_xss = libinjection_xss(input.c_str(), input.length());
if (t) {
if (is_xss) {
#ifndef NO_LOGS
t->debug(5, "detected XSS using libinjection.");
#endif
if (rule && t && rule->m_containsCaptureAction) {
t->m_collections.m_tx_collection->storeOrUpdateFirst(
"0", std::string(input));
#ifndef NO_LOGS
t->debug(7, "Added DetectXSS match TX.0: " + \
std::string(input));
#endif
}
} else {
#ifndef NO_LOGS
t->debug(9, "libinjection was not able to " \
"find any XSS in: " + input);
#endif
}
}
return is_xss != 0;
}
} // namespace operators
} // namespace modsecurity