-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007 Craig Edwards <craigedwards@brainbox.cc>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
*
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-/* $Core: libIRCDbancache */
+#include "inspircd.h"
+
+BanCacheHit::BanCacheHit(const std::string& type, const std::string& reason, time_t seconds)
+ : Type(type)
+ , Reason(reason)
+ , Expiry(ServerInstance->Time() + seconds)
+{
+}
+
+BanCacheHit *BanCacheManager::AddHit(const std::string &ip, const std::string &type, const std::string &reason, time_t seconds)
+{
+ BanCacheHit*& b = BanHash[ip];
+ if (b != NULL) // can't have two cache entries on the same IP, sorry..
+ return NULL;
+
+ b = new BanCacheHit(type, reason, (seconds ? seconds : 86400));
+ return b;
+}
+
+BanCacheHit *BanCacheManager::GetHit(const std::string &ip)
+{
+ BanCacheHash::iterator i = this->BanHash.find(ip);
+
+ if (i == this->BanHash.end())
+ return NULL; // free and safe
+
+ if (RemoveIfExpired(i))
+ return NULL; // expired
+
+ return i->second; // hit.
+}
+
+bool BanCacheManager::RemoveIfExpired(BanCacheHash::iterator& it)
+{
+ if (ServerInstance->Time() < it->second->Expiry)
+ return false;
+
+ ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "Hit on " + it->first + " is out of date, removing!");
+ delete it->second;
+ it = BanHash.erase(it);
+ return true;
+}
+
+void BanCacheManager::RemoveEntries(const std::string& type, bool positive)
+{
+ if (positive)
+ ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCacheManager::RemoveEntries(): Removing positive hits for " + type);
+ else
+ ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCacheManager::RemoveEntries(): Removing all negative hits");
+
+ for (BanCacheHash::iterator i = BanHash.begin(); i != BanHash.end(); )
+ {
+ if (RemoveIfExpired(i))
+ continue; // updates the iterator if expired
+
+ BanCacheHit* b = i->second;
+ bool remove = false;
+
+ if (positive)
+ {
+ // when removing positive hits, remove only if the type matches
+ remove = b->IsPositive() && (b->Type == type);
+ }
+ else
+ {
+ // when removing negative hits, remove all of them
+ remove = !b->IsPositive();
+ }
+
+ if (remove)
+ {
+ /* we need to remove this one. */
+ ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCacheManager::RemoveEntries(): Removing a hit on " + i->first);
+ delete b;
+ i = BanHash.erase(i);
+ }
+ else
+ ++i;
+ }
+}
+BanCacheManager::~BanCacheManager()
+{
+ for (BanCacheHash::iterator n = BanHash.begin(); n != BanHash.end(); ++n)
+ delete n->second;
+}