Adds support to SecRuleUpdateTargetById

Author: Felipe Zimmerle

Makefile.am

@@ -277,4 +277,5 @@ TESTS+=test/test-cases/secrules-language-tests/operators/detectXSS.json
 TESTS+=test/test-cases/secrules-language-tests/operators/eq.json
 TESTS+=test/test-cases/regression/offset-variable.json
 TESTS+=test/test-cases/regression/config-update-target-by-tag.json
+TESTS+=test/test-cases/regression/config-update-target-by-id.json
 

headers/modsecurity/rules_exceptions.h

@@ -54,7 +54,12 @@ class RulesExceptions {
         std::unique_ptr<std::vector<std::unique_ptr<Variables::Variable> > > var,
         std::string *error);
 
+    bool loadUpdateTargetById(double id,
+        std::unique_ptr<std::vector<std::unique_ptr<Variables::Variable> > > var,
+        std::string *error);
+
     std::unordered_multimap<std::string, std::unique_ptr<Variables::Variable>> m_variable_update_target_by_tag;
+    std::unordered_multimap<double, std::unique_ptr<Variables::Variable>> m_variable_update_target_by_id;
 
  private:
     std::list<std::pair<int, int> > m_ranges;