| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); 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 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| ////////////////////////////////////////////////////////////////////////////////////////////// |
| // ruleset.cc: implementation of the ruleset class |
| // |
| // |
| #include <string> |
| |
| #include "ruleset.h" |
| #include "factory.h" |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Class implementation (no reason to have these inline) |
| // |
| void |
| RuleSet::append(RuleSet *rule) |
| { |
| RuleSet *tmp = this; |
| |
| TSReleaseAssert(rule->next == nullptr); |
| |
| while (tmp->next) { |
| tmp = tmp->next; |
| } |
| tmp->next = rule; |
| } |
| |
| bool |
| RuleSet::add_condition(Parser &p, const char *filename, int lineno) |
| { |
| Condition *c = condition_factory(p.get_op()); |
| |
| if (nullptr != c) { |
| TSDebug(PLUGIN_NAME, " Adding condition: %%{%s} with arg: %s", p.get_op().c_str(), p.get_arg().c_str()); |
| c->initialize(p); |
| if (!c->set_hook(_hook)) { |
| delete c; |
| TSError("[%s] in %s:%d: can't use this condition in hook=%s: %%{%s} with arg: %s", PLUGIN_NAME, filename, lineno, |
| TSHttpHookNameLookup(_hook), p.get_op().c_str(), p.get_arg().c_str()); |
| return false; |
| } |
| if (nullptr == _cond) { |
| _cond = c; |
| } else { |
| _cond->append(c); |
| } |
| |
| // Update some ruleset state based on this new condition |
| _last |= c->last(); |
| _ids = static_cast<ResourceIDs>(_ids | _cond->get_resource_ids()); |
| |
| return true; |
| } |
| |
| return false; |
| } |
| |
| bool |
| RuleSet::add_operator(Parser &p, const char *filename, int lineno) |
| { |
| Operator *o = operator_factory(p.get_op()); |
| |
| if (nullptr != o) { |
| TSDebug(PLUGIN_NAME, " Adding operator: %s(%s)=\"%s\"", p.get_op().c_str(), p.get_arg().c_str(), p.get_value().c_str()); |
| o->initialize(p); |
| if (!o->set_hook(_hook)) { |
| delete o; |
| TSDebug(PLUGIN_NAME, "in %s:%d: can't use this operator in hook=%s: %s(%s)", filename, lineno, TSHttpHookNameLookup(_hook), |
| p.get_op().c_str(), p.get_arg().c_str()); |
| TSError("[%s] in %s:%d: can't use this operator in hook=%s: %s(%s)", PLUGIN_NAME, filename, lineno, |
| TSHttpHookNameLookup(_hook), p.get_op().c_str(), p.get_arg().c_str()); |
| return false; |
| } |
| if (nullptr == _oper) { |
| _oper = o; |
| } else { |
| _oper->append(o); |
| } |
| |
| // Update some ruleset state based on this new operator |
| _opermods = static_cast<OperModifiers>(_opermods | _oper->get_oper_modifiers()); |
| _ids = static_cast<ResourceIDs>(_ids | _oper->get_resource_ids()); |
| |
| return true; |
| } |
| |
| return false; |
| } |
| |
| ResourceIDs |
| RuleSet::get_all_resource_ids() const |
| { |
| ResourceIDs ids = _ids; |
| RuleSet *tmp = this->next; |
| |
| while (tmp) { |
| ids = static_cast<ResourceIDs>(ids | tmp->get_resource_ids()); |
| tmp = tmp->next; |
| } |
| |
| return ids; |
| } |