X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fcmd_whowas.cpp;h=2d504c47c8f80af9a2fb67122d75ca9c419f14f1;hb=a2b40829c116cd67d5f293404371eb132dcaa8e3;hp=aab457243fdc5a653a2523abf2093a38519e689c;hpb=bab14f0dd2345c9d7dcbc47c918563709e1ac094;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/cmd_whowas.cpp b/src/cmd_whowas.cpp
index aab457243..2d504c47c 100644
--- a/src/cmd_whowas.cpp
+++ b/src/cmd_whowas.cpp
@@ -1 +1,341 @@
-/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
 * See: http://www.inspircd.org/wiki/index.php/Credits
 *
 * This program is free but copyrighted software; see
 *            the file COPYING for details.
 *
 * ---------------------------------------------------
 */

#include "inspircd.h"
#include "configreader.h"
#include "users.h"
#include "commands/cmd_whowas.h"

WhoWasMaintainTimer * timer;

extern "C" DllExport command_t* init_command(InspIRCd* Instance)
{
	return new cmd_whowas(Instance);
}

cmd_whowas::cmd_whowas(InspIRCd* Instance)
: command_t(Instance, "WHOWAS", 0, 1)
{
	syntax = "<nick>{,<nick>}";
	timer = new WhoWasMaintainTimer(Instance, 3600);
	Instance->Timers->AddTimer(timer);
}

CmdResult cmd_whowas::Handle (const char** parameters, int pcnt, userrec* user)
{
	/* if whowas disabled in config */
	if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0)
	{
		user->WriteServ("421 %s %s :This command has been disabled.",user->nick,command.c_str());
		return CMD_FAILURE;
	}

	whowas_users::iterator i = whowas.find(parameters[0]);

	if (i == whowas.end())
	{
		user->WriteServ("406 %s %s :There was no such nickname",user->nick,parameters[0]);
		user->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]);
		return CMD_FAILURE;
	}
	else
	{
		whowas_set* grp = i->second;
		if (grp->size())
		{
			for (whowas_set::iterator ux = grp->begin(); ux != grp->end(); ux++)
			{
				WhoWasGroup* u = *ux;
				time_t rawtime = u->signon;
				tm *timeinfo;
				char b[MAXBUF];
	
				timeinfo = localtime(&rawtime);
				
				/* XXX - 'b' could be only 25 chars long and then strlcpy() would terminate it for us too? */
				strlcpy(b,asctime(timeinfo),MAXBUF);
				b[24] = 0;

				user->WriteServ("314 %s %s %s %s * :%s",user->nick,parameters[0],u->ident,u->dhost,u->gecos);
				
				if (IS_OPER(user))
					user->WriteServ("379 %s %s :was connecting from *@%s", user->nick, parameters[0], u->host);
				
				if (*ServerInstance->Config->HideWhoisServer && !IS_OPER(user))
					user->WriteServ("312 %s %s %s :%s",user->nick,parameters[0], ServerInstance->Config->HideWhoisServer, b);
				else
					user->WriteServ("312 %s %s %s :%s",user->nick,parameters[0], u->server, b);
			}
		}
		else
		{
			user->WriteServ("406 %s %s :There was no such nickname",user->nick,parameters[0]);
			user->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]);
			return CMD_FAILURE;
		}
	}

	user->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]);
	return CMD_SUCCESS;
}

CmdResult cmd_whowas::HandleInternal(const unsigned int id, const std::deque<classbase*> &parameters)
{
	switch (id)
	{
		case WHOWAS_ADD:
			AddToWhoWas((userrec*)parameters[0]);
		break;

		case WHOWAS_STATS:
			GetStats((Extensible*)parameters[0]);
		break;

		case WHOWAS_PRUNE:
			PruneWhoWas(ServerInstance->Time());
		break;

		case WHOWAS_MAINTAIN:
			MaintainWhoWas(ServerInstance->Time());
		break;

		default:
		break;
	}
	return CMD_SUCCESS;
}

void cmd_whowas::GetStats(Extensible* ext)
{
	int whowas_size = 0;
	int whowas_bytes = 0;
	whowas_users_fifo::iterator iter;
	for (iter = whowas_fifo.begin(); iter != whowas_fifo.end(); iter++)
	{
		whowas_set* n = (whowas_set*)whowas.find(iter->second)->second;
		if (n->size())
		{
			whowas_size += n->size();
			whowas_bytes += (sizeof(whowas_set) + ( sizeof(WhoWasGroup) * n->size() ) );
		}
	}
	stats.assign("Whowas(MAPSETS) " +ConvToStr(whowas_size)+" ("+ConvToStr(whowas_bytes)+" bytes)");
	ext->Extend("stats", stats.c_str());
}

void cmd_whowas::AddToWhoWas(userrec* user)
{
	/* if whowas disabled */
	if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0)
	{
		return;
	}

	whowas_users::iterator iter = whowas.find(user->nick);

	if (iter == whowas.end())
	{
		whowas_set* n = new whowas_set;
		WhoWasGroup *a = new WhoWasGroup(user);
		n->push_back(a);
		whowas[user->nick] = n;
		whowas_fifo.push_back(std::make_pair(ServerInstance->Time(),user->nick));

		if ((int)(whowas.size()) > ServerInstance->Config->WhoWasMaxGroups)
		{
			whowas_users::iterator iter = whowas.find(whowas_fifo[0].second);
			if (iter != whowas.end())
			{
				whowas_set* n = (whowas_set*)iter->second;
				if (n->size())
				{
					while (n->begin() != n->end())
					{
						WhoWasGroup *a = *(n->begin());
						DELETE(a);
						n->pop_front();
					}
				}
				DELETE(n);
				whowas.erase(iter);
			}
			whowas_fifo.pop_front();
		}
	}
	else
	{
		whowas_set* group = (whowas_set*)iter->second;
		WhoWasGroup *a = new WhoWasGroup(user);
		group->push_back(a);

		if ((int)(group->size()) > ServerInstance->Config->WhoWasGroupSize)
		{
			WhoWasGroup *a = (WhoWasGroup*)*(group->begin());
			DELETE(a);
			group->pop_front();
		}
	}
}

/* on rehash, refactor maps according to new conf values */
void cmd_whowas::PruneWhoWas(time_t t)
{
	/* config values */
	int groupsize = ServerInstance->Config->WhoWasGroupSize;
	int maxgroups = ServerInstance->Config->WhoWasMaxGroups;
	int maxkeep =   ServerInstance->Config->WhoWasMaxKeep;

	/* first cut the list to new size (maxgroups) and also prune entries that are timed out. */
	whowas_users::iterator iter;
	int fifosize;
	while ((fifosize = (int)whowas_fifo.size()) > 0)
	{
		if (fifosize > maxgroups || whowas_fifo[0].first < t - maxkeep)
		{
			iter = whowas.find(whowas_fifo[0].second);
			/* hopefully redundant integrity check, but added while debugging r6216 */
			if (iter == whowas.end())
			{
				/* this should never happen, if it does maps are corrupt */
				ServerInstance->Log(DEFAULT, "BUG: Whowas maps got corrupted! (1)");
				return;
			}
			whowas_set* n = (whowas_set*)iter->second;
			if (n->size())
			{
				while (n->begin() != n->end())
				{
					WhoWasGroup *a = *(n->begin());
					DELETE(a);
					n->pop_front();
				}
			}
			DELETE(n);
			whowas.erase(iter);
			whowas_fifo.pop_front();
		}
		else
			break;
	}

	/* Then cut the whowas sets to new size (groupsize) */
	fifosize = (int)whowas_fifo.size();
	for (int i = 0; i < fifosize; i++)
	{
		iter = whowas.find(whowas_fifo[0].second);
		/* hopefully redundant integrity check, but added while debugging r6216 */
		if (iter == whowas.end())
		{
			/* this should never happen, if it does maps are corrupt */
			ServerInstance->Log(DEFAULT, "BUG: Whowas maps got corrupted! (2)");
			return;
		}
		whowas_set* n = (whowas_set*)iter->second;
		if (n->size())
		{
			int nickcount = n->size();
			while (n->begin() != n->end() && nickcount > groupsize)
			{
				WhoWasGroup *a = *(n->begin());
				DELETE(a);
				n->pop_front();
				nickcount--;
			}
		}
	}
}

/* call maintain once an hour to remove expired nicks */
void cmd_whowas::MaintainWhoWas(time_t t)
{
	for (whowas_users::iterator iter = whowas.begin(); iter != whowas.end(); iter++)
	{
		whowas_set* n = (whowas_set*)iter->second;
		if (n->size())
		{
			while ((n->begin() != n->end()) && ((*n->begin())->signon < t - ServerInstance->Config->WhoWasMaxKeep))
			{
				WhoWasGroup *a = *(n->begin());
				DELETE(a);
				n->erase(n->begin());
			}
		}
	}
}

cmd_whowas::~cmd_whowas()
{
	if (timer)
	{
		ServerInstance->Timers->DelTimer(timer);
	}

	whowas_users::iterator iter;
	int fifosize;
	while ((fifosize = (int)whowas_fifo.size()) > 0)
	{
		iter = whowas.find(whowas_fifo[0].second);
		/* hopefully redundant integrity check, but added while debugging r6216 */
		if (iter == whowas.end())
		{
			/* this should never happen, if it does maps are corrupt */
			ServerInstance->Log(DEFAULT, "BUG: Whowas maps got corrupted! (3)");
			return;
		}
		whowas_set* n = (whowas_set*)iter->second;
		if (n->size())
		{
			while (n->begin() != n->end())
			{
				WhoWasGroup *a = *(n->begin());
				DELETE(a);
				n->pop_front();
			}
		}
		DELETE(n);
		whowas.erase(iter);
		whowas_fifo.pop_front();
	}
}

WhoWasGroup::WhoWasGroup(userrec* user) : host(NULL), dhost(NULL), ident(NULL), server(NULL), gecos(NULL), signon(user->signon)
{
	this->host = strdup(user->host);
	this->dhost = strdup(user->dhost);
	this->ident = strdup(user->ident);
	this->server = user->server;
	this->gecos = strdup(user->fullname);
}

WhoWasGroup::~WhoWasGroup()
{
	if (host)
		free(host);
	if (dhost)
		free(dhost);
	if (ident)
		free(ident);
	if (gecos)
		free(gecos);
}

/* every hour, run this function which removes all entries older than Config->WhoWasMaxKeep */
void WhoWasMaintainTimer::Tick(time_t t)
{
	command_t* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS");
	if (whowas_command)
	{
		std::deque<classbase*> params;
		whowas_command->HandleInternal(WHOWAS_MAINTAIN, params);
	}
}
\ No newline at end of file
+/*       +------------------------------------+
+ *       | Inspire Internet Relay Chat Daemon |
+ *       +------------------------------------+
+ *
+ *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
+ * This program is free but copyrighted software; see
+ *            the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+#include "inspircd.h"
+#include "configreader.h"
+#include "users.h"
+#include "commands/cmd_whowas.h"
+
+WhoWasMaintainTimer * timer;
+
+extern "C" DllExport command_t* init_command(InspIRCd* Instance)
+{
+	return new cmd_whowas(Instance);
+}
+
+cmd_whowas::cmd_whowas(InspIRCd* Instance)
+: command_t(Instance, "WHOWAS", 0, 1)
+{
+	syntax = "<nick>{,<nick>}";
+	timer = new WhoWasMaintainTimer(Instance, 3600);
+	Instance->Timers->AddTimer(timer);
+}
+
+CmdResult cmd_whowas::Handle (const char** parameters, int pcnt, userrec* user)
+{
+	/* if whowas disabled in config */
+	if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0)
+	{
+		user->WriteServ("421 %s %s :This command has been disabled.",user->nick,command.c_str());
+		return CMD_FAILURE;
+	}
+
+	whowas_users::iterator i = whowas.find(parameters[0]);
+
+	if (i == whowas.end())
+	{
+		user->WriteServ("406 %s %s :There was no such nickname",user->nick,parameters[0]);
+		user->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]);
+		return CMD_FAILURE;
+	}
+	else
+	{
+		whowas_set* grp = i->second;
+		if (grp->size())
+		{
+			for (whowas_set::iterator ux = grp->begin(); ux != grp->end(); ux++)
+			{
+				WhoWasGroup* u = *ux;
+				time_t rawtime = u->signon;
+				tm *timeinfo;
+				char b[MAXBUF];
+	
+				timeinfo = localtime(&rawtime);
+				
+				/* XXX - 'b' could be only 25 chars long and then strlcpy() would terminate it for us too? */
+				strlcpy(b,asctime(timeinfo),MAXBUF);
+				b[24] = 0;
+
+				user->WriteServ("314 %s %s %s %s * :%s",user->nick,parameters[0],u->ident,u->dhost,u->gecos);
+				
+				if (IS_OPER(user))
+					user->WriteServ("379 %s %s :was connecting from *@%s", user->nick, parameters[0], u->host);
+				
+				if (*ServerInstance->Config->HideWhoisServer && !IS_OPER(user))
+					user->WriteServ("312 %s %s %s :%s",user->nick,parameters[0], ServerInstance->Config->HideWhoisServer, b);
+				else
+					user->WriteServ("312 %s %s %s :%s",user->nick,parameters[0], u->server, b);
+			}
+		}
+		else
+		{
+			user->WriteServ("406 %s %s :There was no such nickname",user->nick,parameters[0]);
+			user->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]);
+			return CMD_FAILURE;
+		}
+	}
+
+	user->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]);
+	return CMD_SUCCESS;
+}
+
+CmdResult cmd_whowas::HandleInternal(const unsigned int id, const std::deque<classbase*> &parameters)
+{
+	switch (id)
+	{
+		case WHOWAS_ADD:
+			AddToWhoWas((userrec*)parameters[0]);
+		break;
+
+		case WHOWAS_STATS:
+			GetStats((Extensible*)parameters[0]);
+		break;
+
+		case WHOWAS_PRUNE:
+			PruneWhoWas(ServerInstance->Time());
+		break;
+
+		case WHOWAS_MAINTAIN:
+			MaintainWhoWas(ServerInstance->Time());
+		break;
+
+		default:
+		break;
+	}
+	return CMD_SUCCESS;
+}
+
+void cmd_whowas::GetStats(Extensible* ext)
+{
+	int whowas_size = 0;
+	int whowas_bytes = 0;
+	whowas_users_fifo::iterator iter;
+	for (iter = whowas_fifo.begin(); iter != whowas_fifo.end(); iter++)
+	{
+		whowas_set* n = (whowas_set*)whowas.find(iter->second)->second;
+		if (n->size())
+		{
+			whowas_size += n->size();
+			whowas_bytes += (sizeof(whowas_set) + ( sizeof(WhoWasGroup) * n->size() ) );
+		}
+	}
+	stats.assign("Whowas(MAPSETS) " +ConvToStr(whowas_size)+" ("+ConvToStr(whowas_bytes)+" bytes)");
+	ext->Extend("stats", stats.c_str());
+}
+
+void cmd_whowas::AddToWhoWas(userrec* user)
+{
+	/* if whowas disabled */
+	if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0)
+	{
+		return;
+	}
+
+	whowas_users::iterator iter = whowas.find(user->nick);
+
+	if (iter == whowas.end())
+	{
+		whowas_set* n = new whowas_set;
+		WhoWasGroup *a = new WhoWasGroup(user);
+		n->push_back(a);
+		whowas[user->nick] = n;
+		whowas_fifo.push_back(std::make_pair(ServerInstance->Time(),user->nick));
+
+		if ((int)(whowas.size()) > ServerInstance->Config->WhoWasMaxGroups)
+		{
+			whowas_users::iterator iter = whowas.find(whowas_fifo[0].second);
+			if (iter != whowas.end())
+			{
+				whowas_set* n = (whowas_set*)iter->second;
+				if (n->size())
+				{
+					while (n->begin() != n->end())
+					{
+						WhoWasGroup *a = *(n->begin());
+						DELETE(a);
+						n->pop_front();
+					}
+				}
+				DELETE(n);
+				whowas.erase(iter);
+			}
+			whowas_fifo.pop_front();
+		}
+	}
+	else
+	{
+		whowas_set* group = (whowas_set*)iter->second;
+		WhoWasGroup *a = new WhoWasGroup(user);
+		group->push_back(a);
+
+		if ((int)(group->size()) > ServerInstance->Config->WhoWasGroupSize)
+		{
+			WhoWasGroup *a = (WhoWasGroup*)*(group->begin());
+			DELETE(a);
+			group->pop_front();
+		}
+	}
+}
+
+/* on rehash, refactor maps according to new conf values */
+void cmd_whowas::PruneWhoWas(time_t t)
+{
+	/* config values */
+	int groupsize = ServerInstance->Config->WhoWasGroupSize;
+	int maxgroups = ServerInstance->Config->WhoWasMaxGroups;
+	int maxkeep =   ServerInstance->Config->WhoWasMaxKeep;
+
+	/* first cut the list to new size (maxgroups) and also prune entries that are timed out. */
+	whowas_users::iterator iter;
+	int fifosize;
+	while ((fifosize = (int)whowas_fifo.size()) > 0)
+	{
+		if (fifosize > maxgroups || whowas_fifo[0].first < t - maxkeep)
+		{
+			iter = whowas.find(whowas_fifo[0].second);
+			/* hopefully redundant integrity check, but added while debugging r6216 */
+			if (iter == whowas.end())
+			{
+				/* this should never happen, if it does maps are corrupt */
+				ServerInstance->Log(DEFAULT, "BUG: Whowas maps got corrupted! (1)");
+				return;
+			}
+			whowas_set* n = (whowas_set*)iter->second;
+			if (n->size())
+			{
+				while (n->begin() != n->end())
+				{
+					WhoWasGroup *a = *(n->begin());
+					DELETE(a);
+					n->pop_front();
+				}
+			}
+			DELETE(n);
+			whowas.erase(iter);
+			whowas_fifo.pop_front();
+		}
+		else
+			break;
+	}
+
+	/* Then cut the whowas sets to new size (groupsize) */
+	fifosize = (int)whowas_fifo.size();
+	for (int i = 0; i < fifosize; i++)
+	{
+		iter = whowas.find(whowas_fifo[0].second);
+		/* hopefully redundant integrity check, but added while debugging r6216 */
+		if (iter == whowas.end())
+		{
+			/* this should never happen, if it does maps are corrupt */
+			ServerInstance->Log(DEFAULT, "BUG: Whowas maps got corrupted! (2)");
+			return;
+		}
+		whowas_set* n = (whowas_set*)iter->second;
+		if (n->size())
+		{
+			int nickcount = n->size();
+			while (n->begin() != n->end() && nickcount > groupsize)
+			{
+				WhoWasGroup *a = *(n->begin());
+				DELETE(a);
+				n->pop_front();
+				nickcount--;
+			}
+		}
+	}
+}
+
+/* call maintain once an hour to remove expired nicks */
+void cmd_whowas::MaintainWhoWas(time_t t)
+{
+	for (whowas_users::iterator iter = whowas.begin(); iter != whowas.end(); iter++)
+	{
+		whowas_set* n = (whowas_set*)iter->second;
+		if (n->size())
+		{
+			while ((n->begin() != n->end()) && ((*n->begin())->signon < t - ServerInstance->Config->WhoWasMaxKeep))
+			{
+				WhoWasGroup *a = *(n->begin());
+				DELETE(a);
+				n->erase(n->begin());
+			}
+		}
+	}
+}
+
+cmd_whowas::~cmd_whowas()
+{
+	if (timer)
+	{
+		ServerInstance->Timers->DelTimer(timer);
+	}
+
+	whowas_users::iterator iter;
+	int fifosize;
+	while ((fifosize = (int)whowas_fifo.size()) > 0)
+	{
+		iter = whowas.find(whowas_fifo[0].second);
+		/* hopefully redundant integrity check, but added while debugging r6216 */
+		if (iter == whowas.end())
+		{
+			/* this should never happen, if it does maps are corrupt */
+			ServerInstance->Log(DEFAULT, "BUG: Whowas maps got corrupted! (3)");
+			return;
+		}
+		whowas_set* n = (whowas_set*)iter->second;
+		if (n->size())
+		{
+			while (n->begin() != n->end())
+			{
+				WhoWasGroup *a = *(n->begin());
+				DELETE(a);
+				n->pop_front();
+			}
+		}
+		DELETE(n);
+		whowas.erase(iter);
+		whowas_fifo.pop_front();
+	}
+}
+
+WhoWasGroup::WhoWasGroup(userrec* user) : host(NULL), dhost(NULL), ident(NULL), server(NULL), gecos(NULL), signon(user->signon)
+{
+	this->host = strdup(user->host);
+	this->dhost = strdup(user->dhost);
+	this->ident = strdup(user->ident);
+	this->server = user->server;
+	this->gecos = strdup(user->fullname);
+}
+
+WhoWasGroup::~WhoWasGroup()
+{
+	if (host)
+		free(host);
+	if (dhost)
+		free(dhost);
+	if (ident)
+		free(ident);
+	if (gecos)
+		free(gecos);
+}
+
+/* every hour, run this function which removes all entries older than Config->WhoWasMaxKeep */
+void WhoWasMaintainTimer::Tick(time_t t)
+{
+	command_t* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS");
+	if (whowas_command)
+	{
+		std::deque<classbase*> params;
+		whowas_command->HandleInternal(WHOWAS_MAINTAIN, params);
+	}
+}