Using libpcre instead of c++11 regex

src/utils/regex.cc

@@ -0,0 +1,55 @@
+/*
+ * 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 "utils/regex.h"
+
+#include <pcrecpp.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <string>
+
+#include <fstream>
+#include <iostream>
+
+#include "utils/geo_lookup.h"
+
+namespace ModSecurity {
+namespace Utils {
+
+
+Regex::Regex(const std::string& pattern_)
+    : pattern(pattern_) {
+    if (pattern.empty() == true) {
+        pattern.assign(".*");
+    }
+}
+
+int regex_search(const std::string& s, SMatch *match,
+    const Regex& regex) {
+    pcrecpp::RE re(regex.pattern,
+        pcrecpp::RE_Options(PCRE_DOTALL|PCRE_MULTILINE));
+    match->size_ = re.PartialMatch(s);
+    return match->size_;
+}
+
+int regex_search(const std::string& s, Regex regex) {
+    pcrecpp::RE re(regex.pattern);
+    return re.PartialMatch(s);
+}
+
+}  // namespace Utils
+}  // namespace ModSecurity

src/utils/regex.h

@@ -0,0 +1,53 @@
+/*
+ * 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 <iostream>
+#include <fstream>
+#include <string>
+
+#ifndef SRC_UTILS_REGEX_H_
+#define SRC_UTILS_REGEX_H_
+
+
+namespace ModSecurity {
+namespace Utils {
+
+
+class Regex {
+ public:
+    explicit Regex(const std::string& pattern_);
+    std::string pattern;
+};
+
+
+class SMatch {
+ public:
+    SMatch() : size_(0) { }
+    size_t size() { return size_; }
+    int size_;
+};
+
+
+int regex_search(const std::string& s, SMatch *m,
+    const Regex& regex);
+
+int regex_search(const std::string& s, Regex r);
+
+
+
+}  // namespace Utils
+}  // namespace ModSecurity
+
+#endif  // SRC_UTILS_REGEX_H_