X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fxline.cpp;h=8b61ab6848a4f4e4d5c67941fd4af6e4c529e469;hb=d494fa6e094e85cd29235e995fb2b447d6e1f168;hp=f436d96922038bd69b981550bb1621d67deb6c49;hpb=d67f0923b5502ac20b8327b98cce21e015123493;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/xline.cpp b/src/xline.cpp index f436d9692..8b61ab684 100644 --- a/src/xline.cpp +++ b/src/xline.cpp @@ -1,24 +1,116 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2019 Matt Schatz + * Copyright (C) 2013, 2017-2020 Sadie Powell + * Copyright (C) 2013 Adam + * Copyright (C) 2012-2014, 2016 Attila Molnar + * Copyright (C) 2012, 2019 Robby + * Copyright (C) 2009 Uli Schlachter + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2007-2009 Robin Burchell + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2004, 2006-2008, 2010 Craig Edwards * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * 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 free but copyrighted software; see - * the file COPYING for details. + * 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 . */ -/* $Core: libIRCDxline */ #include "inspircd.h" -#include "wildcard.h" #include "xline.h" +#include "modules/stats.h" + +/** An XLineFactory specialized to generate GLine* pointers + */ +class GLineFactory : public XLineFactory +{ + public: + GLineFactory() : XLineFactory("G") { } + + /** Generate a GLine + */ + XLine* Generate(time_t set_time, unsigned long duration, const std::string& source, const std::string& reason, const std::string& xline_specific_mask) CXX11_OVERRIDE + { + IdentHostPair ih = ServerInstance->XLines->IdentSplit(xline_specific_mask); + return new GLine(set_time, duration, source, reason, ih.first, ih.second); + } +}; + +/** An XLineFactory specialized to generate ELine* pointers + */ +class ELineFactory : public XLineFactory +{ + public: + ELineFactory() : XLineFactory("E") { } + + /** Generate an ELine + */ + XLine* Generate(time_t set_time, unsigned long duration, const std::string& source, const std::string& reason, const std::string& xline_specific_mask) CXX11_OVERRIDE + { + IdentHostPair ih = ServerInstance->XLines->IdentSplit(xline_specific_mask); + return new ELine(set_time, duration, source, reason, ih.first, ih.second); + } +}; + +/** An XLineFactory specialized to generate KLine* pointers + */ +class KLineFactory : public XLineFactory +{ + public: + KLineFactory() : XLineFactory("K") { } + + /** Generate a KLine + */ + XLine* Generate(time_t set_time, unsigned long duration, const std::string& source, const std::string& reason, const std::string& xline_specific_mask) CXX11_OVERRIDE + { + IdentHostPair ih = ServerInstance->XLines->IdentSplit(xline_specific_mask); + return new KLine(set_time, duration, source, reason, ih.first, ih.second); + } +}; + +/** An XLineFactory specialized to generate QLine* pointers + */ +class QLineFactory : public XLineFactory +{ + public: + QLineFactory() : XLineFactory("Q") { } + + /** Generate a QLine + */ + XLine* Generate(time_t set_time, unsigned long duration, const std::string& source, const std::string& reason, const std::string& xline_specific_mask) CXX11_OVERRIDE + { + return new QLine(set_time, duration, source, reason, xline_specific_mask); + } +}; + +/** An XLineFactory specialized to generate ZLine* pointers + */ +class ZLineFactory : public XLineFactory +{ + public: + ZLineFactory() : XLineFactory("Z") { } + + /** Generate a ZLine + */ + XLine* Generate(time_t set_time, unsigned long duration, const std::string& source, const std::string& reason, const std::string& xline_specific_mask) CXX11_OVERRIDE + { + return new ZLine(set_time, duration, source, reason, xline_specific_mask); + } +}; + /* - * This is now version 3 of the XLine subsystem, let's see if we can get it as nice and + * This is now version 3 of the XLine subsystem, let's see if we can get it as nice and * efficient as we can this time so we can close this file and never ever touch it again .. * * Background: @@ -27,7 +119,7 @@ * was added, it iterated every existing line for every existing user. Ow. Expiry was also * expensive, as the lists were NOT sorted. * - * Version 2 moved permanent lines into a seperate list from non-permanent to help optimize + * Version 2 moved permanent lines into a separate list from non-permanent to help optimize * matching speed, but matched in the same way. * Expiry was also sped up by sorting the list by expiry (meaning just remove the items at the * head of the list that are outdated.) @@ -36,122 +128,111 @@ * than it could have been, something which we address here. * * VERSION 3: - * All lines are (as in v1) stored together -- no seperation of perm and non-perm. Expiry will - * still use a sorted list, and we'll just ignore anything permanent. - * - * Application will be by a list of lines 'pending' application, meaning only the newly added lines - * will be gone over. Much faster. - * - * More of course is to come. - */ - -/* Version two, now with optimized expiry! + * All lines are (as in v1) stored together -- no separation of perm and non-perm. They are stored in + * a map of maps (first map is line type, second map is for quick lookup on add/delete/etc). * - * Because the old way was horrendously slow, the new way of expiring xlines is very - * very efficient. I have improved the efficiency of the algorithm in two ways: + * Expiry is *no longer* performed on a timer, and no longer uses a sorted list of any variety. This + * is now done by only checking for expiry when a line is accessed, meaning that expiry is no longer + * a resource intensive problem. * - * (1) There are now two lists of items for each linetype. One list holds temporary - * items, and the other list holds permanent items (ones which will expire). - * Items which are on the permanent list are NEVER checked at all by the - * expire_lines() function. - * (2) The temporary xline lists are always kept in strict numerical order, keyed by - * current time + duration. This means that the line which is due to expire the - * soonest is always pointed at by vector::begin(), so a simple while loop can - * very efficiently, very quickly and above all SAFELY pick off the first few - * items in the vector which need zapping. - * - * -- Brain + * Application no longer tries to apply every single line on every single user - instead, now only lines + * added since the previous application are applied. This keeps S2S ADDLINE during burst nice and fast, + * while at the same time not slowing things the fuck down when we try adding a ban with lots of preexisting + * bans. :) */ -bool InitXLine(ServerConfig* conf, const char* tag) +bool XLine::Matches(User *u) { - return true; + return false; } -bool DoneZLine(ServerConfig* conf, const char* tag) +/* + * Checks what users match a given vector of ELines and sets their ban exempt flag accordingly. + */ +void XLineManager::CheckELines() { - // XXX we should really only call this once - after we've finished processing configuration all together - conf->GetInstance()->XLines->ApplyLines(); - return true; -} + ContainerIter n = lookup_lines.find("E"); -bool DoneQLine(ServerConfig* conf, const char* tag) -{ - // XXX we should really only call this once - after we've finished processing configuration all together - conf->GetInstance()->XLines->ApplyLines(); - return true; -} + if (n == lookup_lines.end()) + return; -bool DoneKLine(ServerConfig* conf, const char* tag) -{ - // XXX we should really only call this once - after we've finished processing configuration all together - conf->GetInstance()->XLines->ApplyLines(); - return true; -} + XLineLookup& ELines = n->second; -bool DoneELine(ServerConfig* conf, const char* tag) -{ - // XXX we should really only call this once - after we've finished processing configuration all together - conf->GetInstance()->XLines->ApplyLines(); - return true; -} + if (ELines.empty()) + return; -bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types) -{ - const char* reason = values[0].GetString(); - const char* ipmask = values[1].GetString(); + const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers(); + for (UserManager::LocalList::const_iterator u2 = list.begin(); u2 != list.end(); u2++) + { + LocalUser* u = *u2; + u->exempt = false; - conf->GetInstance()->XLines->AddZLine(0,"",reason,ipmask); - return true; -} + /* This uses safe iteration to ensure that if a line expires here, it doenst trash the iterator */ + LookupIter safei; -bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types) -{ - const char* reason = values[0].GetString(); - const char* nick = values[1].GetString(); + for (LookupIter i = ELines.begin(); i != ELines.end(); ) + { + safei = i; + safei++; - conf->GetInstance()->XLines->AddQLine(0,"",reason,nick); - return true; + XLine *e = i->second; + if ((!e->duration || ServerInstance->Time() < e->expiry) && e->Matches(u)) + u->exempt = true; + + i = safei; + } + } } -bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types) + +XLineLookup* XLineManager::GetAll(const std::string &type) { - const char* reason = values[0].GetString(); - const char* host = values[1].GetString(); + ContainerIter n = lookup_lines.find(type); - conf->GetInstance()->XLines->AddKLine(0,"",reason,host); - return true; -} + if (n == lookup_lines.end()) + return NULL; -bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types) -{ - const char* reason = values[0].GetString(); - const char* host = values[1].GetString(); + LookupIter safei; + const time_t current = ServerInstance->Time(); - conf->GetInstance()->XLines->AddELine(0,"",reason,host); - return true; -} + /* Expire any dead ones, before sending */ + for (LookupIter x = n->second.begin(); x != n->second.end(); ) + { + safei = x; + safei++; + if (x->second->duration && current > x->second->expiry) + { + ExpireLine(n, x); + } + x = safei; + } -bool XLine::Matches(User *u) -{ - return false; + return &(n->second); } -//XXX perhaps move into xlinemanager -void CheckELines(InspIRCd *ServerInstance, std::map &ELines) +void XLineManager::DelAll(const std::string &type) { - for (std::vector::const_iterator u2 = ServerInstance->local_users.begin(); u2 != ServerInstance->local_users.end(); u2++) - { - User* u = (User*)(*u2); + ContainerIter n = lookup_lines.find(type); - for (std::map::iterator i = ELines.begin(); i != ELines.end(); i++) - { - ELine *e = i->second; - u->exempt = e->Matches(u); - } + if (n == lookup_lines.end()) + return; + + LookupIter x; + + /* Delete all of a given type (this should probably use DelLine, but oh well) */ + while ((x = n->second.begin()) != n->second.end()) + { + ExpireLine(n, x); } } +std::vector XLineManager::GetAllTypes() +{ + std::vector items; + for (ContainerIter x = lookup_lines.begin(); x != lookup_lines.end(); ++x) + items.push_back(x->first); + return items; +} IdentHostPair XLineManager::IdentSplit(const std::string &ident_and_host) { @@ -168,379 +249,366 @@ IdentHostPair XLineManager::IdentSplit(const std::string &ident_and_host) } else { + n.first.clear(); n.second = ident_and_host; } return n; } -// adds a g:line +// adds a line -bool XLineManager::AddGLine(long duration, const char* source,const char* reason,const char* hostmask) +bool XLineManager::AddLine(XLine* line, User* user) { - IdentHostPair ih = IdentSplit(hostmask); + if (line->duration && ServerInstance->Time() > line->expiry) + return false; // Don't apply expired XLines. - if (DelLine(hostmask, 'G', true)) - return false; - - GLine* item = new GLine(ServerInstance, ServerInstance->Time(), duration, source, reason, ih.first.c_str(), ih.second.c_str()); - - active_lines.push_back(item); - sort(active_lines.begin(), active_lines.end(),XLineManager::XSortComparison); - pending_lines.push_back(item); + /* Don't apply duplicate xlines */ + ContainerIter x = lookup_lines.find(line->type); + if (x != lookup_lines.end()) + { + LookupIter i = x->second.find(line->Displayable()); + if (i != x->second.end()) + { + bool silent = false; - return true; -} + // Allow replacing a config line for an updated config line. + if (i->second->from_config && line->from_config) + { + // Nothing changed, skip adding this one. + if (i->second->reason == line->reason) + return false; -// adds an e:line (exception to bans) + silent = true; + } + // Allow replacing a non-config line for a new config line. + else if (!line->from_config) + { + // X-line propagation bug was here, if the line to be added already exists and + // it's expired then expire it and add the new one instead of returning false + if ((!i->second->duration) || (ServerInstance->Time() < i->second->expiry)) + return false; + } + else + { + silent = true; + } -bool XLineManager::AddELine(long duration, const char* source, const char* reason, const char* hostmask) -{ - IdentHostPair ih = IdentSplit(hostmask); + ExpireLine(x, i, silent); + } + } - if (DelLine(hostmask, 'E', true)) + /*ELine* item = new ELine(ServerInstance->Time(), duration, source, reason, ih.first.c_str(), ih.second.c_str());*/ + XLineFactory* xlf = GetFactory(line->type); + if (!xlf) return false; - ELine* item = new ELine(ServerInstance, ServerInstance->Time(), duration, source, reason, ih.first.c_str(), ih.second.c_str()); - - active_lines.push_back(item); - sort(active_lines.begin(), active_lines.end(),XLineManager::XSortComparison); - elines[hostmask] = item; - - // XXX we really only need to check one line (the new one) - this is a bit wasteful! - CheckELines(ServerInstance, elines); - - return true; -} - -// adds a q:line + ServerInstance->BanCache.RemoveEntries(line->type, false); // XXX perhaps remove ELines here? -bool XLineManager::AddQLine(long duration, const char* source, const char* reason, const char* nickname) -{ - if (DelLine(nickname, 'Q', true)) - return false; + if (xlf->AutoApplyToUserList(line)) + pending_lines.push_back(line); - QLine* item = new QLine(ServerInstance, ServerInstance->Time(), duration, source, reason, nickname); + lookup_lines[line->type][line->Displayable()] = line; + line->OnAdd(); - active_lines.push_back(item); - sort(active_lines.begin(), active_lines.end(), XLineManager::XSortComparison); - pending_lines.push_back(item); + FOREACH_MOD(OnAddLine, (user, line)); return true; } -// adds a z:line +// deletes a line, returns true if the line existed and was removed -bool XLineManager::AddZLine(long duration, const char* source, const char* reason, const char* ipaddr) +bool XLineManager::DelLine(const char* hostmask, const std::string& type, std::string& reason, User* user, bool simulate) { - if (strchr(ipaddr,'@')) - { - while (*ipaddr != '@') - ipaddr++; - ipaddr++; - } + ContainerIter x = lookup_lines.find(type); - if (DelLine(ipaddr, 'Z', true)) + if (x == lookup_lines.end()) return false; - ZLine* item = new ZLine(ServerInstance, ServerInstance->Time(), duration, source, reason, ipaddr); - - active_lines.push_back(item); - sort(active_lines.begin(), active_lines.end(),XLineManager::XSortComparison); - pending_lines.push_back(item); + LookupIter y = x->second.find(hostmask); - return true; -} - -// adds a k:line - -bool XLineManager::AddKLine(long duration, const char* source, const char* reason, const char* hostmask) -{ - IdentHostPair ih = IdentSplit(hostmask); - - if (DelLine(hostmask, 'K', true)) + if (y == x->second.end()) return false; - KLine* item = new KLine(ServerInstance, ServerInstance->Time(), duration, source, reason, ih.first.c_str(), ih.second.c_str()); + reason.assign(y->second->reason); - active_lines.push_back(item); - sort(active_lines.begin(), active_lines.end(),XLineManager::XSortComparison); - pending_lines.push_back(item); + if (simulate) + return true; - return true; -} + ServerInstance->BanCache.RemoveEntries(y->second->type, true); -// deletes a g:line, returns true if the line existed and was removed + FOREACH_MOD(OnDelLine, (user, y->second)); -bool XLineManager::DelLine(const char* hostmask, char type, bool simulate) -{ - IdentHostPair ih = IdentSplit(hostmask); - for (std::vector::iterator i = active_lines.begin(); i != active_lines.end(); i++) - { - if ((*i)->type == type) - { - if ((*i)->Matches(hostmask)) - { - if (!simulate) - { - (*i)->Unset(); - delete *i; - active_lines.erase(i); - /* XXX: Should erase from pending lines here */ - } - return true; - } - } - } + y->second->Unset(); - return false; -} + stdalgo::erase(pending_lines, y->second); + delete y->second; + x->second.erase(y); -void ELine::Unset() -{ - /* remove exempt from everyone and force recheck after deleting eline */ - for (std::vector::const_iterator u2 = ServerInstance->local_users.begin(); u2 != ServerInstance->local_users.end(); u2++) - { - User* u = (User*)(*u2); - u->exempt = false; - } - ServerInstance->XLines->elines.erase(this->identmask + std::string("@") + this->hostmask); - CheckELines(ServerInstance, ServerInstance->XLines->elines); + return true; } -// returns a pointer to the reason if a nickname matches a qline, NULL if it didnt match -QLine* XLineManager::matches_qline(const char* nick) +void ELine::Unset() { - for (std::vector::iterator i = active_lines.begin(); i != active_lines.end(); i++) - if ((*i)->type == 'Q' && (*i)->Matches(nick)) - return (QLine*)(*i); - return NULL; + ServerInstance->XLines->CheckELines(); } -// returns a pointer to the reason if a host matches a gline, NULL if it didnt match +// returns a pointer to the reason if a nickname matches a Q-line, NULL if it didn't match -GLine* XLineManager::matches_gline(User* user) +XLine* XLineManager::MatchesLine(const std::string &type, User* user) { - for (std::vector::iterator i = active_lines.begin(); i != active_lines.end(); i++) - if ((*i)->type == 'G' && (*i)->Matches(user)) - return (GLine*)(*i); - - return NULL; -} + ContainerIter x = lookup_lines.find(type); -ELine* XLineManager::matches_exception(User* user) -{ - if (elines.empty()) + if (x == lookup_lines.end()) return NULL; - for (std::vector::iterator i = active_lines.begin(); i != active_lines.end(); i++) - { - if ((*i)->type == 'E' && (*i)->Matches(user)) - return (ELine*)(*i); - } - return NULL; -} + const time_t current = ServerInstance->Time(); + LookupIter safei; -void XLineManager::gline_set_creation_time(const char* host, time_t create_time) -{ - /*for (std::vector::iterator i = glines.begin(); i != glines.end(); i++) + for (LookupIter i = x->second.begin(); i != x->second.end(); ) { - if (!strcasecmp(host,(*i)->hostmask)) - { - (*i)->set_time = create_time; - (*i)->expiry = create_time + (*i)->duration; - return; - } - }*/ - - return ; -} + safei = i; + safei++; -void XLineManager::eline_set_creation_time(const char* host, time_t create_time) -{ - /*for (std::vector::iterator i = elines.begin(); i != elines.end(); i++) - { - if (!strcasecmp(host,(*i)->hostmask)) + if (i->second->duration && current > i->second->expiry) { - (*i)->set_time = create_time; - (*i)->expiry = create_time + (*i)->duration; - return; + /* Expire the line, proceed to next one */ + ExpireLine(x, i); + i = safei; + continue; } - }*/ - return; -} - -void XLineManager::qline_set_creation_time(const char* nick, time_t create_time) -{ - /*for (std::vector::iterator i = qlines.begin(); i != qlines.end(); i++) - { - if (!strcasecmp(nick,(*i)->nick)) + if (i->second->Matches(user)) { - (*i)->set_time = create_time; - (*i)->expiry = create_time + (*i)->duration; - return; + return i->second; } - }*/ - return; + i = safei; + } + return NULL; } -void XLineManager::zline_set_creation_time(const char* ip, time_t create_time) +XLine* XLineManager::MatchesLine(const std::string &type, const std::string &pattern) { - /*for (std::vector::iterator i = zlines.begin(); i != zlines.end(); i++) - { - if (!strcasecmp(ip,(*i)->ipaddr)) - { - (*i)->set_time = create_time; - (*i)->expiry = create_time + (*i)->duration; - return; - } - }*/ + ContainerIter x = lookup_lines.find(type); - return; -} + if (x == lookup_lines.end()) + return NULL; -// returns a pointer to the reason if an ip address matches a zline, NULL if it didnt match + const time_t current = ServerInstance->Time(); -ZLine* XLineManager::matches_zline(User *u) -{ - for (std::vector::iterator i = active_lines.begin(); i != active_lines.end(); i++) - if ((*i)->type == 'Z' && (*i)->Matches(u)) - return (ZLine*)(*i); - return NULL; -} + LookupIter safei; -// returns a pointer to the reason if a host matches a kline, NULL if it didnt match - -KLine* XLineManager::matches_kline(User* user) -{ - for (std::vector::iterator i = active_lines.begin(); i != active_lines.end(); i++) - if ((*i)->Matches(user)) - return (KLine*)(*i); + for (LookupIter i = x->second.begin(); i != x->second.end(); ) + { + safei = i; + safei++; - return NULL; -} + if (i->second->Matches(pattern)) + { + if (i->second->duration && current > i->second->expiry) + { + /* Expire the line, return nothing */ + ExpireLine(x, i); + /* See above */ + i = safei; + continue; + } + else + return i->second; + } -bool XLineManager::XSortComparison(const XLine *one, const XLine *two) -{ - // account for permanent lines - if (one->expiry == 0) - { - return false; + i = safei; } - return (one->expiry) < (two->expiry); + return NULL; } // removes lines that have expired -void XLineManager::expire_lines() +void XLineManager::ExpireLine(ContainerIter container, LookupIter item, bool silent) { - time_t current = ServerInstance->Time(); + FOREACH_MOD(OnExpireLine, (item->second)); + + if (!silent) + item->second->DisplayExpiry(); + + item->second->Unset(); - /* Because we now store all our XLines in sorted order using ((*i)->duration + (*i)->set_time) as a key, this - * means that to expire the XLines we just need to do a while, picking off the top few until there are - * none left at the head of the queue that are after the current time. + /* TODO: Can we skip this loop by having a 'pending' field in the XLine class, which is set when a line + * is pending, cleared when it is no longer pending, so we skip over this loop if its not pending? + * -- Brain */ + stdalgo::erase(pending_lines, item->second); - while ((active_lines.size()) && (current > (*active_lines.begin())->expiry) && ((*active_lines.begin())->duration != 0)) - { - std::vector::iterator i = active_lines.begin(); - (*i)->DisplayExpiry(); - (*i)->Unset(); - active_lines.erase(i); - delete *i; - } + delete item->second; + container->second.erase(item); } + // applies lines, removing clients and changing nicks etc as applicable void XLineManager::ApplyLines() { - for (std::vector::const_iterator u2 = ServerInstance->local_users.begin(); u2 != ServerInstance->local_users.end(); u2++) + const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers(); + for (UserManager::LocalList::const_iterator j = list.begin(); j != list.end(); ) { - User* u = (User*)(*u2); + LocalUser* u = *j++; + + // Don't ban people who are exempt. + if (u->exempt) + continue; for (std::vector::iterator i = pending_lines.begin(); i != pending_lines.end(); i++) { XLine *x = *i; if (x->Matches(u)) + { x->Apply(u); + + // If applying the X-line has killed the user then don't + // apply any more lines to them. + if (u->quitting) + break; + } } } pending_lines.clear(); } -void XLineManager::stats_k(User* user, string_list &results) +void XLineManager::InvokeStats(const std::string& type, unsigned int numeric, Stats::Context& stats) { - /*std::string sn = ServerInstance->Config->ServerName; - for (std::vector::iterator i = klines.begin(); i != klines.end(); i++) - results.push_back(sn+" 216 "+user->nick+" :"+(*i)->identmask+"@"+(*i)->hostmask+" "+ConvToStr((*i)->set_time)+" "+ConvToStr((*i)->duration)+" "+(*i)->source+" :"+(*i)->reason);*/ -} + ContainerIter n = lookup_lines.find(type); -void XLineManager::stats_g(User* user, string_list &results) -{ - /*std::string sn = ServerInstance->Config->ServerName; - for (std::vector::iterator i = glines.begin(); i != glines.end(); i++) - results.push_back(sn+" 223 "+user->nick+" :"+(*i)->identmask+"@"+(*i)->hostmask+" "+ConvToStr((*i)->set_time)+" "+ConvToStr((*i)->duration)+" "+(*i)->source+" :"+(*i)->reason);*/ -} + time_t current = ServerInstance->Time(); -void XLineManager::stats_q(User* user, string_list &results) -{ - /*std::string sn = ServerInstance->Config->ServerName; - for (std::vector::iterator i = qlines.begin(); i != qlines.end(); i++) - results.push_back(sn+" 217 "+user->nick+" :"+(*i)->nick+" "+ConvToStr((*i)->set_time)+" "+ConvToStr((*i)->duration)+" "+(*i)->source+" :"+(*i)->reason);*/ + LookupIter safei; + + if (n != lookup_lines.end()) + { + XLineLookup& list = n->second; + for (LookupIter i = list.begin(); i != list.end(); ) + { + safei = i; + safei++; + + if (i->second->duration && current > i->second->expiry) + { + ExpireLine(n, i); + } + else + stats.AddRow(numeric, i->second->Displayable(), i->second->set_time, i->second->duration, i->second->source, i->second->reason); + i = safei; + } + } } -void XLineManager::stats_z(User* user, string_list &results) +bool XLineManager::InvokeStats(const std::string& type, Stats::Context& context) { - /*std::string sn = ServerInstance->Config->ServerName; - for (std::vector::iterator i = zlines.begin(); i != zlines.end(); i++) - results.push_back(sn+" 223 "+user->nick+" :"+(*i)->ipaddr+" "+ConvToStr((*i)->set_time)+" "+ConvToStr((*i)->duration)+" "+(*i)->source+" :"+(*i)->reason);*/ + ContainerIter citer = lookup_lines.find(type); + if (citer == lookup_lines.end()) + return false; + + for (LookupIter liter = citer->second.begin(); liter != citer->second.end(); ) + { + // We might be about to expire the XLine so we have to increment the + // iterator early to avoid doing that causing iterator invalidation. + LookupIter current = liter++; + + XLine* xline = current->second; + if (xline->duration && xline->expiry <= ServerInstance->Time()) + { + // This XLine has expired so remove and skip it. + ExpireLine(citer, current); + continue; + } + + context.AddRow(RPL_STATS, context.GetSymbol(), xline->Displayable(), xline->set_time, xline->duration, xline->source, xline->reason); + } + return true; } -void XLineManager::stats_e(User* user, string_list &results) +XLineManager::XLineManager() { - /*std::string sn = ServerInstance->Config->ServerName; - for (std::vector::iterator i = elines.begin(); i != elines.end(); i++) - results.push_back(sn+" 223 "+user->nick+" :"+(*i)->identmask+"@"+(*i)->hostmask+" "+ConvToStr((*i)->set_time)+" "+ConvToStr((*i)->duration)+" "+(*i)->source+" :"+(*i)->reason);*/ + GLineFactory* GFact; + ELineFactory* EFact; + KLineFactory* KFact; + QLineFactory* QFact; + ZLineFactory* ZFact; + + + GFact = new GLineFactory; + EFact = new ELineFactory; + KFact = new KLineFactory; + QFact = new QLineFactory; + ZFact = new ZLineFactory; + + RegisterFactory(GFact); + RegisterFactory(EFact); + RegisterFactory(KFact); + RegisterFactory(QFact); + RegisterFactory(ZFact); } -XLineManager::XLineManager(InspIRCd* Instance) : ServerInstance(Instance) +XLineManager::~XLineManager() { + const char gekqz[] = "GEKQZ"; + for(unsigned int i=0; i < sizeof(gekqz); i++) + { + XLineFactory* xlf = GetFactory(std::string(1, gekqz[i])); + delete xlf; + } + + // Delete all existing XLines + for (XLineContainer::iterator i = lookup_lines.begin(); i != lookup_lines.end(); i++) + { + for (XLineLookup::iterator j = i->second.begin(); j != i->second.end(); j++) + { + delete j->second; + } + } } -bool XLine::Matches(const std::string &str) +void XLine::Apply(User* u) { - return false; } -void XLine::Apply(User* u) +bool XLine::IsBurstable() { + return !from_config; } -void XLine::DefaultApply(User* u, char line) +void XLine::DefaultApply(User* u, const std::string &line, bool bancache) { - char reason[MAXBUF]; - snprintf(reason, MAXBUF, "%c-Lined: %s", line, this->reason); - if (*ServerInstance->Config->MoronBanner) - u->WriteServ("NOTICE %s :*** %s", u->nick, ServerInstance->Config->MoronBanner); + const std::string banReason = line + "-lined: " + reason; + + if (!ServerInstance->Config->XLineMessage.empty()) + u->WriteNumeric(ERR_YOUREBANNEDCREEP, ServerInstance->Config->XLineMessage); + if (ServerInstance->Config->HideBans) - User::QuitUser(ServerInstance, u, line + std::string("-Lined"), reason); + ServerInstance->Users->QuitUser(u, line + "-lined", &banReason); else - User::QuitUser(ServerInstance, u, reason); + ServerInstance->Users->QuitUser(u, banReason); + + + if (bancache) + { + ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Adding positive hit (" + line + ") for " + u->GetIPString()); + ServerInstance->BanCache.AddHit(u->GetIPString(), this->type, banReason, (this->duration > 0 ? (this->expiry - ServerInstance->Time()) : 0)); + } } bool KLine::Matches(User *u) { - if (u->exempt) + LocalUser* lu = IS_LOCAL(u); + if (lu && lu->exempt) return false; - if ((match(u->ident, this->identmask))) + if (InspIRCd::Match(u->ident, this->identmask, ascii_case_insensitive_map)) { - if ((match(u->host, this->hostmask, true)) || (match(u->GetIPString(), this->hostmask, true))) + if (InspIRCd::MatchCIDR(u->GetRealHost(), this->hostmask, ascii_case_insensitive_map) || + InspIRCd::MatchCIDR(u->GetIPString(), this->hostmask, ascii_case_insensitive_map)) { return true; } @@ -551,17 +619,19 @@ bool KLine::Matches(User *u) void KLine::Apply(User* u) { - DefaultApply(u, 'K'); + DefaultApply(u, "K", (this->identmask == "*") ? true : false); } bool GLine::Matches(User *u) { - if (u->exempt) + LocalUser* lu = IS_LOCAL(u); + if (lu && lu->exempt) return false; - if ((match(u->ident, this->identmask))) + if (InspIRCd::Match(u->ident, this->identmask, ascii_case_insensitive_map)) { - if ((match(u->host, this->hostmask, true)) || (match(u->GetIPString(), this->hostmask, true))) + if (InspIRCd::MatchCIDR(u->GetRealHost(), this->hostmask, ascii_case_insensitive_map) || + InspIRCd::MatchCIDR(u->GetIPString(), this->hostmask, ascii_case_insensitive_map)) { return true; } @@ -571,18 +641,16 @@ bool GLine::Matches(User *u) } void GLine::Apply(User* u) -{ - DefaultApply(u, 'G'); +{ + DefaultApply(u, "G", (this->identmask == "*") ? true : false); } bool ELine::Matches(User *u) { - if (u->exempt) - return false; - - if ((match(u->ident, this->identmask))) + if (InspIRCd::Match(u->ident, this->identmask, ascii_case_insensitive_map)) { - if ((match(u->host, this->hostmask, true)) || (match(u->GetIPString(), this->hostmask, true))) + if (InspIRCd::MatchCIDR(u->GetRealHost(), this->hostmask, ascii_case_insensitive_map) || + InspIRCd::MatchCIDR(u->GetIPString(), this->hostmask, ascii_case_insensitive_map)) { return true; } @@ -593,42 +661,41 @@ bool ELine::Matches(User *u) bool ZLine::Matches(User *u) { - if (u->exempt) + LocalUser* lu = IS_LOCAL(u); + if (lu && lu->exempt) return false; - if (match(u->GetIPString(), this->ipaddr, true)) + if (InspIRCd::MatchCIDR(u->GetIPString(), this->ipaddr)) return true; else return false; } void ZLine::Apply(User* u) -{ - DefaultApply(u, 'Z'); +{ + DefaultApply(u, "Z", true); } bool QLine::Matches(User *u) { - if (u->exempt) - return false; - - if (match(u->nick, this->nick)) + if (InspIRCd::Match(u->nick, this->nick)) return true; return false; } void QLine::Apply(User* u) -{ - /* Can we force the user to their uid here instead? */ - DefaultApply(u, 'Q'); +{ + /* Force to uuid on apply of Q-line, no need to disconnect anymore :) */ + u->WriteNumeric(RPL_SAVENICK, u->uuid, "Your nickname has been Q-lined."); + u->ChangeNick(u->uuid); } bool ZLine::Matches(const std::string &str) { - if (match(str.c_str(), this->ipaddr, true)) + if (InspIRCd::MatchCIDR(str, this->ipaddr)) return true; else return false; @@ -636,34 +703,127 @@ bool ZLine::Matches(const std::string &str) bool QLine::Matches(const std::string &str) { - if (match(str.c_str(), this->nick)) + if (InspIRCd::Match(str, this->nick)) return true; return false; } -void ELine::DisplayExpiry() +bool ELine::Matches(const std::string &str) +{ + return (InspIRCd::MatchCIDR(str, matchtext)); +} + +bool KLine::Matches(const std::string &str) +{ + return (InspIRCd::MatchCIDR(str.c_str(), matchtext)); +} + +bool GLine::Matches(const std::string &str) +{ + return (InspIRCd::MatchCIDR(str, matchtext)); +} + +void ELine::OnAdd() +{ + /* When adding one E-line, only check the one E-line */ + const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers(); + for (UserManager::LocalList::const_iterator u2 = list.begin(); u2 != list.end(); u2++) + { + LocalUser* u = *u2; + if (this->Matches(u)) + u->exempt = true; + } +} + +void XLine::DisplayExpiry() { - ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed E-Line %s@%s (set by %s %d seconds ago)",this->identmask,this->hostmask,this->source,this->duration); + bool onechar = (type.length() == 1); + ServerInstance->SNO->WriteToSnoMask('x', "Removing expired %s%s %s (set by %s %s ago): %s", + type.c_str(), (onechar ? "-line" : ""), Displayable().c_str(), source.c_str(), InspIRCd::DurationString(ServerInstance->Time() - set_time).c_str(), reason.c_str()); } -void QLine::DisplayExpiry() +const std::string& ELine::Displayable() { - ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed G-Line %s (set by %s %d seconds ago)",this->nick,this->source,this->duration); + return matchtext; } -void ZLine::DisplayExpiry() +const std::string& KLine::Displayable() { - ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed Z-Line %s (set by %s %d seconds ago)",this->ipaddr,this->source,this->duration); + return matchtext; } -void KLine::DisplayExpiry() +const std::string& GLine::Displayable() { - ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed K-Line %s@%s (set by %s %d seconds ago)",this->identmask,this->hostmask,this->source,this->duration); + return matchtext; } -void GLine::DisplayExpiry() +const std::string& ZLine::Displayable() { - ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed G-Line %s@%s (set by %s %d seconds ago)",this->identmask,this->hostmask,this->source,this->duration); + return ipaddr; } +const std::string& QLine::Displayable() +{ + return nick; +} + +bool KLine::IsBurstable() +{ + return false; +} + +bool XLineManager::RegisterFactory(XLineFactory* xlf) +{ + XLineFactMap::iterator n = line_factory.find(xlf->GetType()); + + if (n != line_factory.end()) + return false; + + line_factory[xlf->GetType()] = xlf; + + return true; +} + +bool XLineManager::UnregisterFactory(XLineFactory* xlf) +{ + XLineFactMap::iterator n = line_factory.find(xlf->GetType()); + + if (n == line_factory.end()) + return false; + + line_factory.erase(n); + + return true; +} + +XLineFactory* XLineManager::GetFactory(const std::string &type) +{ + XLineFactMap::iterator n = line_factory.find(type); + + if (n == line_factory.end()) + return NULL; + + return n->second; +} + +void XLineManager::ExpireRemovedConfigLines(const std::string& type, const insp::flat_set& configlines) +{ + // Nothing to do. + if (lookup_lines.empty()) + return; + + ContainerIter xlines = lookup_lines.find(type); + if (xlines == lookup_lines.end()) + return; + + for (LookupIter xline = xlines->second.begin(); xline != xlines->second.end(); ) + { + LookupIter cachedxline = xline++; + if (!cachedxline->second->from_config) + continue; + + if (!configlines.count(cachedxline->second->Displayable())) + ExpireLine(xlines, cachedxline); + } +}