X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fbancache.cpp;h=52449e55e86d7995e34998a92a511547efc96ff9;hb=571714e28b26cc59cbc8d27098a5ba981240ee2d;hp=a831b1219d822562bdad3e0f8bebafa7dcc9329b;hpb=5434e946ee280dcc1dc7e0951bfa1ccc3054e6ab;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/bancache.cpp b/src/bancache.cpp
index a831b1219..52449e55e 100644
--- a/src/bancache.cpp
+++ b/src/bancache.cpp
@@ -1,17 +1,24 @@
-/*       +------------------------------------+
- *       | 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 */
+
+/* $Core */
 
 #include "inspircd.h"
 #include "bancache.h"
@@ -20,11 +27,23 @@ BanCacheHit *BanCacheManager::AddHit(const std::string &ip, const std::string &t
 {
 	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..
 		return NULL;
 
-	b = new BanCacheHit(ServerInstance, ip, type, reason);
+	b = new BanCacheHit(ip, type, reason, seconds);
 
 	this->BanHash->insert(std::make_pair(ip, b));
 	return b;
@@ -37,7 +56,16 @@ BanCacheHit *BanCacheManager::GetHit(const std::string &ip)
 	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.
+	}
 }
 
 bool BanCacheManager::RemoveHit(BanCacheHit *b)
@@ -52,7 +80,7 @@ bool BanCacheManager::RemoveHit(BanCacheHit *b)
 	if (i == this->BanHash->end())
 	{
 		// err..
-		ServerInstance->Log(DEBUG, "BanCacheManager::RemoveHit(): I got asked to remove a hit that wasn't in the hash(?)");
+		ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCacheManager::RemoveHit(): I got asked to remove a hit that wasn't in the hash(?)");
 	}
 	else
 	{
@@ -63,4 +91,82 @@ bool BanCacheManager::RemoveHit(BanCacheHit *b)
 	return true;
 }
 
+unsigned int 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);
+	else
+		ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCacheManager::RemoveEntries(): Removing negative hits for " + type);
+
+	for (BanCacheHash::iterator n = BanHash->begin(); n != BanHash->end(); )
+	{
+		safei = n;
+		safei++;
+
+		BanCacheHit *b = n->second;
+
+		/* Safe to delete items here through iterator 'n' */
+		if (b->Type == type || !positive) // if removing negative hits, ignore type..
+		{
+			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;
+				BanHash->erase(n); // WORD TO THE WISE: don't use RemoveHit here, because we MUST remove the iterator in a safe way.
+				removed++;
+			}
+		}
+
+		/* 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)
+		{
+			/* we need to remove this one. */
+			delete b;
+			BanHash->erase(n); // WORD TO THE WISE: don't use RemoveHit here, because we MUST remove the iterator in a safe way.
+		}
+		else
+		{
+			/* Actually inserts a std::pair */
+			NewHash->insert(*n);
+		}
+
+		/* End of safe section */
+
+		n = safei;
+	}
 
+	delete BanHash;
+	BanHash = NewHash;
+}
+
+BanCacheManager::~BanCacheManager()
+{
+	for (BanCacheHash::iterator n = BanHash->begin(); n != BanHash->end(); ++n)
+		delete n->second;
+	delete BanHash;
+}