-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
+ * 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/>.
*/
+
#include "inspircd.h"
#include "commands/cmd_whowas.h"
-WhoWasMaintainTimer * timer;
-
-extern "C" DllExport Command* init_command(InspIRCd* Instance)
-{
- return new CommandWhowas(Instance);
-}
-
-CommandWhowas::CommandWhowas(InspIRCd* Instance) : Command(Instance, "WHOWAS", 0, 1, false, 2)
+CommandWhowas::CommandWhowas( Module* parent)
+ : Command(parent, "WHOWAS", 1)
+ , GroupSize(0), MaxGroups(0), MaxKeep(0)
{
syntax = "<nick>{,<nick>}";
- timer = new WhoWasMaintainTimer(Instance, 3600);
- Instance->Timers->AddTimer(timer);
+ Penalty = 2;
}
-CmdResult CommandWhowas::Handle (const char** parameters, int, User* user)
+CmdResult CommandWhowas::Handle (const std::vector<std::string>& parameters, User* user)
{
/* if whowas disabled in config */
- if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0)
+ if (this->GroupSize == 0 || this->MaxGroups == 0)
{
- user->WriteServ("421 %s %s :This command has been disabled.",user->nick,command.c_str());
+ user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s :This command has been disabled.", name.c_str());
return CMD_FAILURE;
}
- whowas_users::iterator i = whowas.find(parameters[0]);
+ whowas_users::iterator i = whowas.find(assign(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;
+ user->WriteNumeric(ERR_WASNOSUCHNICK, "%s :There was no such nickname", parameters[0].c_str());
}
else
{
whowas_set* grp = i->second;
- if (grp->size())
+ if (!grp->empty())
{
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);
+
+ user->WriteNumeric(RPL_WHOWASUSER, "%s %s %s * :%s", parameters[0].c_str(),
+ u->ident.c_str(),u->dhost.c_str(),u->gecos.c_str());
+
+ if (user->HasPrivPermission("users/auspex"))
+ user->WriteNumeric(RPL_WHOWASIP, "%s :was connecting from *@%s",
+ parameters[0].c_str(), u->host.c_str());
+
+ std::string signon = InspIRCd::TimeString(u->signon);
+ bool hide_server = (!ServerInstance->Config->HideWhoisServer.empty() && !user->HasPrivPermission("servers/auspex"));
+ user->WriteNumeric(RPL_WHOISSERVER, "%s %s :%s", parameters[0].c_str(), (hide_server ? ServerInstance->Config->HideWhoisServer.c_str() : u->server.c_str()), signon.c_str());
}
}
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->WriteNumeric(ERR_WASNOSUCHNICK, "%s :There was no such nickname", parameters[0].c_str());
}
}
- user->WriteServ("369 %s %s :End of WHOWAS",user->nick,parameters[0]);
+ user->WriteNumeric(RPL_ENDOFWHOWAS, "%s :End of WHOWAS", parameters[0].c_str());
return CMD_SUCCESS;
}
-CmdResult CommandWhowas::HandleInternal(const unsigned int id, const std::deque<classbase*> ¶meters)
-{
- switch (id)
- {
- case WHOWAS_ADD:
- AddToWhoWas((User*)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 CommandWhowas::GetStats(Extensible* ext)
+std::string CommandWhowas::GetStats()
{
int whowas_size = 0;
int whowas_bytes = 0;
- whowas_users_fifo::iterator iter;
- for (iter = whowas_fifo.begin(); iter != whowas_fifo.end(); iter++)
+ for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i)
{
- 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() ) );
- }
+ whowas_set* n = i->second;
+ 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());
+ return "Whowas entries: " +ConvToStr(whowas_size)+" ("+ConvToStr(whowas_bytes)+" bytes)";
}
void CommandWhowas::AddToWhoWas(User* user)
{
/* if whowas disabled */
- if (ServerInstance->Config->WhoWasGroupSize == 0 || ServerInstance->Config->WhoWasMaxGroups == 0)
+ if (this->GroupSize == 0 || this->MaxGroups == 0)
{
return;
}
- whowas_users::iterator iter = whowas.find(user->nick);
+ // Insert nick if it doesn't exist
+ // 'first' will point to the newly inserted element or to the existing element with an equivalent key
+ std::pair<whowas_users::iterator, bool> ret = whowas.insert(std::make_pair(irc::string(user->nick.c_str()), static_cast<whowas_set*>(NULL)));
- if (iter == whowas.end())
+ if (ret.second) // If inserted
{
+ // This nick is new, create a list for it and add the first record to it
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));
+ n->push_back(new WhoWasGroup(user));
+ ret.first->second = n;
+
+ // Add this nick to the fifo too
+ whowas_fifo.push_back(std::make_pair(ServerInstance->Time(), ret.first->first));
- if ((int)(whowas.size()) > ServerInstance->Config->WhoWasMaxGroups)
+ if (whowas.size() > this->MaxGroups)
{
- whowas_users::iterator iter = whowas.find(whowas_fifo[0].second);
- if (iter != whowas.end())
+ // Too many nicks, remove the nick which was inserted the longest time ago from both the map and the fifo
+ whowas_users::iterator it = whowas.find(whowas_fifo.front().second);
+ if (it != 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_set* set = it->second;
+ for (whowas_set::iterator i = set->begin(); i != set->end(); ++i)
+ delete *i;
+
+ delete set;
+ whowas.erase(it);
}
whowas_fifo.pop_front();
}
}
else
{
- whowas_set* group = (whowas_set*)iter->second;
- WhoWasGroup *a = new WhoWasGroup(user);
- group->push_back(a);
+ // We've met this nick before, add a new record to the list
+ whowas_set* set = ret.first->second;
+ set->push_back(new WhoWasGroup(user));
- if ((int)(group->size()) > ServerInstance->Config->WhoWasGroupSize)
+ // If there are too many records for this nick, remove the oldest (front)
+ if (set->size() > this->GroupSize)
{
- WhoWasGroup *a = (WhoWasGroup*)*(group->begin());
- delete a;
- group->pop_front();
+ delete set->front();
+ set->pop_front();
}
}
}
/* on rehash, refactor maps according to new conf values */
-void CommandWhowas::PruneWhoWas(time_t t)
+void CommandWhowas::Prune()
{
- /* config values */
- int groupsize = ServerInstance->Config->WhoWasGroupSize;
- int maxgroups = ServerInstance->Config->WhoWasMaxGroups;
- int maxkeep = ServerInstance->Config->WhoWasMaxKeep;
+ time_t min = ServerInstance->Time() - this->MaxKeep;
/* 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)
+ while (!whowas_fifo.empty())
{
- if (fifosize > maxgroups || whowas_fifo[0].first < t - maxkeep)
+ if ((whowas_fifo.size() > this->MaxGroups) || (whowas_fifo.front().first < min))
{
- iter = whowas.find(whowas_fifo[0].second);
+ whowas_users::iterator iter = whowas.find(whowas_fifo.front().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)");
+ ServerInstance->Logs->Log("WHOWAS", 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();
- }
- }
+ whowas_set* set = iter->second;
+ for (whowas_set::iterator i = set->begin(); i != set->end(); ++i)
+ delete *i;
- delete n;
+ delete set;
whowas.erase(iter);
whowas_fifo.pop_front();
}
}
/* Then cut the whowas sets to new size (groupsize) */
- fifosize = (int)whowas_fifo.size();
- for (int i = 0; i < fifosize; i++)
+ for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++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())
+ whowas_set* n = i->second;
+ while (n->size() > this->GroupSize)
{
- int nickcount = n->size();
- while (n->begin() != n->end() && nickcount > groupsize)
- {
- WhoWasGroup *a = *(n->begin());
- delete a;
- n->pop_front();
- nickcount--;
- }
+ delete n->front();
+ n->pop_front();
}
}
}
/* call maintain once an hour to remove expired nicks */
-void CommandWhowas::MaintainWhoWas(time_t t)
+void CommandWhowas::Maintain()
{
- for (whowas_users::iterator iter = whowas.begin(); iter != whowas.end(); iter++)
+ time_t min = ServerInstance->Time() - this->MaxKeep;
+ for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i)
{
- whowas_set* n = (whowas_set*)iter->second;
- if (n->size())
+ whowas_set* set = i->second;
+ while (!set->empty() && set->front()->signon < min)
{
- while ((n->begin() != n->end()) && ((*n->begin())->signon < t - ServerInstance->Config->WhoWasMaxKeep))
- {
- WhoWasGroup *a = *(n->begin());
- delete a;
- n->erase(n->begin());
- }
+ delete set->front();
+ set->pop_front();
}
}
}
CommandWhowas::~CommandWhowas()
{
- if (timer)
+ for (whowas_users::iterator i = whowas.begin(); i != whowas.end(); ++i)
{
- ServerInstance->Timers->DelTimer(timer);
+ whowas_set* set = i->second;
+ for (whowas_set::iterator j = set->begin(); j != set->end(); ++j)
+ delete *j;
+
+ delete set;
}
+}
- whowas_users::iterator iter;
- int fifosize;
- while ((fifosize = (int)whowas_fifo.size()) > 0)
+WhoWasGroup::WhoWasGroup(User* user) : host(user->host), dhost(user->dhost), ident(user->ident),
+ server(user->server->GetName()), gecos(user->fullname), signon(user->signon)
+{
+}
+
+class ModuleWhoWas : public Module
+{
+ CommandWhowas cmd;
+
+ public:
+ ModuleWhoWas() : cmd(this)
{
- 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;
- }
+ void OnGarbageCollect()
+ {
+ // Remove all entries older than MaxKeep
+ cmd.Maintain();
+ }
- whowas_set* n = (whowas_set*)iter->second;
+ void OnUserQuit(User* user, const std::string& message, const std::string& oper_message)
+ {
+ cmd.AddToWhoWas(user);
+ }
- if (n->size())
- {
- while (n->begin() != n->end())
- {
- WhoWasGroup *a = *(n->begin());
- delete a;
- n->pop_front();
- }
- }
+ ModResult OnStats(char symbol, User* user, string_list &results)
+ {
+ if (symbol == 'z')
+ results.push_back(ServerInstance->Config->ServerName+" 249 "+user->nick+" :"+cmd.GetStats());
- delete n;
- whowas.erase(iter);
- whowas_fifo.pop_front();
+ return MOD_RES_PASSTHRU;
}
-}
-WhoWasGroup::WhoWasGroup(User* 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);
-}
+ void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
+ {
+ ConfigTag* tag = ServerInstance->Config->ConfValue("whowas");
+ unsigned int NewGroupSize = tag->getInt("groupsize", 10, 0, 10000);
+ unsigned int NewMaxGroups = tag->getInt("maxgroups", 10240, 0, 1000000);
+ unsigned int NewMaxKeep = tag->getDuration("maxkeep", 3600, 3600);
-WhoWasGroup::~WhoWasGroup()
-{
- if (host)
- free(host);
- if (dhost)
- free(dhost);
- if (ident)
- free(ident);
- if (gecos)
- free(gecos);
-}
+ if ((NewGroupSize == cmd.GroupSize) && (NewMaxGroups == cmd.MaxGroups) && (NewMaxKeep == cmd.MaxKeep))
+ return;
-/* every hour, run this function which removes all entries older than Config->WhoWasMaxKeep */
-void WhoWasMaintainTimer::Tick(time_t)
-{
- Command* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS");
- if (whowas_command)
+ cmd.GroupSize = NewGroupSize;
+ cmd.MaxGroups = NewMaxGroups;
+ cmd.MaxKeep = NewMaxKeep;
+ cmd.Prune();
+ }
+
+ Version GetVersion()
{
- std::deque<classbase*> params;
- whowas_command->HandleInternal(WHOWAS_MAINTAIN, params);
+ return Version("WHOWAS", VF_VENDOR);
}
-}
+};
+
+MODULE_INIT(ModuleWhoWas)