-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * Copyright (C) 2013 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2012-2014 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2010 Craig Edwards <brain@inspircd.org>
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
*
- * 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 */
#include "inspircd.h"
-#include "bancache.h"
-BanCacheHit *BanCacheManager::AddHit(const std::string &ip, const std::string &type, const std::string &reason)
+BanCacheHit::BanCacheHit(const std::string& type, const std::string& reason, time_t seconds)
+ : Type(type)
+ , Reason(reason)
+ , Expiry(ServerInstance->Time() + seconds)
{
- BanCacheHit *b;
-
- if (this->BanHash->find(ip) != this->BanHash->end()) // can't have two cache entries on the same IP, sorry..
- return NULL;
-
- b = new BanCacheHit(ip, type, reason);
-
- this->BanHash->insert(std::make_pair(ip, b));
- return b;
}
BanCacheHit *BanCacheManager::AddHit(const std::string &ip, const std::string &type, const std::string &reason, time_t seconds)
{
- BanCacheHit *b;
-
- if (this->BanHash->find(ip) != this->BanHash->end()) // can't have two cache entries on the same IP, sorry..
+ BanCacheHit*& b = BanHash[ip];
+ if (b != NULL) // can't have two cache entries on the same IP, sorry..
return NULL;
- b = new BanCacheHit(ip, type, reason, seconds);
-
- this->BanHash->insert(std::make_pair(ip, b));
+ b = new BanCacheHit(type, reason, (seconds ? seconds : 86400));
return b;
}
BanCacheHit *BanCacheManager::GetHit(const std::string &ip)
{
- BanCacheHash::iterator i = this->BanHash->find(ip);
+ BanCacheHash::iterator i = this->BanHash.find(ip);
- if (i == this->BanHash->end())
+ if (i == this->BanHash.end())
return NULL; // free and safe
- else
- {
- if (ServerInstance->Time() > i->second->Expiry)
- {
- ServerInstance->Logs->Log("BANCACHE", DEBUG, "Hit on " + ip + " is out of date, removing!");
- RemoveHit(i->second);
- return NULL; // out of date
- }
- return i->second; // hit.
- }
+ if (RemoveIfExpired(i))
+ return NULL; // expired
+
+ return i->second; // hit.
}
-bool BanCacheManager::RemoveHit(BanCacheHit *b)
+bool BanCacheManager::RemoveIfExpired(BanCacheHash::iterator& it)
{
- BanCacheHash::iterator i;
-
- if (!b)
- return false; // I don't think so.
-
- i = this->BanHash->find(b->IP);
-
- if (i == this->BanHash->end())
- {
- // err..
- ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCacheManager::RemoveHit(): I got asked to remove a hit that wasn't in the hash(?)");
- }
- else
- {
- this->BanHash->erase(i);
- }
+ if (ServerInstance->Time() < it->second->Expiry)
+ return false;
- delete b;
+ ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "Hit on " + it->first + " is out of date, removing!");
+ delete it->second;
+ it = BanHash.erase(it);
return true;
}
-unsigned int BanCacheManager::RemoveEntries(const std::string &type, bool positive)
+void BanCacheManager::RemoveEntries(const std::string& type, bool positive)
{
- int removed = 0;
-
- BanCacheHash::iterator safei;
-
if (positive)
- ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCacheManager::RemoveEntries(): Removing positive hits for " + type);
+ ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCacheManager::RemoveEntries(): Removing positive hits for " + type);
else
- ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCacheManager::RemoveEntries(): Removing negative hits for " + type);
+ ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCacheManager::RemoveEntries(): Removing all negative hits");
- for (BanCacheHash::iterator n = BanHash->begin(); n != BanHash->end(); )
+ for (BanCacheHash::iterator i = BanHash.begin(); i != BanHash.end(); )
{
- safei = n;
- safei++;
+ if (RemoveIfExpired(i))
+ continue; // updates the iterator if expired
- BanCacheHit *b = n->second;
+ BanCacheHit* b = i->second;
+ bool remove = false;
- /* Safe to delete items here through iterator 'n' */
- if (b->Type == type || !positive) // if removing negative hits, ignore type..
+ if (positive)
{
- if ((positive && !b->Reason.empty()) || b->Reason.empty())
- {
- /* we need to remove this one. */
- ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCacheManager::RemoveEntries(): Removing a hit on " + b->IP);
- delete b;
- b = NULL;
- BanHash->erase(n); // WORD TO THE WISE: don't use RemoveHit here, because we MUST remove the iterator in a safe way.
- removed++;
- }
+ // 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();
}
- /* End of safe section */
- n = safei;
- }
-
-
- return removed;
-}
-
-void BanCacheManager::RehashCache()
-{
- BanCacheHash* NewHash = new BanCacheHash();
-
- BanCacheHash::iterator safei;
- for (BanCacheHash::iterator n = BanHash->begin(); n != BanHash->end(); )
- {
- safei = n;
- safei++;
-
- /* Safe to delete items here through iterator 'n' */
- BanCacheHit *b = n->second;
-
- if (ServerInstance->Time() > b->Expiry)
+ if (remove)
{
/* we need to remove this one. */
+ ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCacheManager::RemoveEntries(): Removing a hit on " + i->first);
delete b;
- b = NULL;
- BanHash->erase(n); // WORD TO THE WISE: don't use RemoveHit here, because we MUST remove the iterator in a safe way.
+ i = BanHash.erase(i);
}
else
- {
- /* Actually inserts a std::pair */
- NewHash->insert(*n);
- }
-
- /* End of safe section */
-
- n = safei;
+ ++i;
}
-
- delete BanHash;
- BanHash = NewHash;
}
BanCacheManager::~BanCacheManager()
{
- for (BanCacheHash::iterator n = BanHash->begin(); n != BanHash->end(); ++n)
+ for (BanCacheHash::iterator n = BanHash.begin(); n != BanHash.end(); ++n)
delete n->second;
- delete BanHash;
}
projects / user / henk / code / inspircd.git / blobdiff