X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fxline.cpp;h=8b61ab6848a4f4e4d5c67941fd4af6e4c529e469;hb=e2b0f3dc9ef4d56c71d7abda13e6139ca092e387;hp=ed3ed6364b1ef01714867cf57e0f64026211c48c;hpb=44f42a13de52c8025942ddab42f51feb36821782;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/xline.cpp b/src/xline.cpp index ed3ed6364..8b61ab684 100644 --- a/src/xline.cpp +++ b/src/xline.cpp @@ -1,11 +1,16 @@ /* * 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) 2005-2009 Robin Burchell - * Copyright (C) 2004-2008 Craig Edwards + * Copyright (C) 2007-2009 Robin Burchell * Copyright (C) 2007 Dennis Friis - * Copyright (C) 2007 John Brooks + * Copyright (C) 2004, 2006-2008, 2010 Craig Edwards * * 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 @@ -23,7 +28,7 @@ #include "inspircd.h" #include "xline.h" -#include "bancache.h" +#include "modules/stats.h" /** An XLineFactory specialized to generate GLine* pointers */ @@ -34,7 +39,7 @@ class GLineFactory : public XLineFactory /** Generate a GLine */ - XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask) + 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); @@ -50,7 +55,7 @@ class ELineFactory : public XLineFactory /** Generate an ELine */ - XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask) + 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); @@ -62,15 +67,15 @@ class ELineFactory : public XLineFactory class KLineFactory : public XLineFactory { public: - KLineFactory() : XLineFactory("K") { } + KLineFactory() : XLineFactory("K") { } /** Generate a KLine */ - XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask) - { - IdentHostPair ih = ServerInstance->XLines->IdentSplit(xline_specific_mask); - return new KLine(set_time, duration, source, reason, ih.first, ih.second); - } + 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 @@ -78,14 +83,14 @@ class KLineFactory : public XLineFactory class QLineFactory : public XLineFactory { public: - QLineFactory() : XLineFactory("Q") { } + QLineFactory() : XLineFactory("Q") { } /** Generate a QLine */ - XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask) - { - return new QLine(set_time, duration, source, reason, xline_specific_mask); - } + 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 @@ -93,14 +98,14 @@ class QLineFactory : public XLineFactory class ZLineFactory : public XLineFactory { public: - ZLineFactory() : XLineFactory("Z") { } + ZLineFactory() : XLineFactory("Z") { } /** Generate a ZLine */ - XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask) - { - return new ZLine(set_time, duration, source, reason, xline_specific_mask); - } + 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); + } }; @@ -114,7 +119,7 @@ class ZLineFactory : public XLineFactory * 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.) @@ -123,7 +128,7 @@ class ZLineFactory : public XLineFactory * 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. They are stored in + * 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). * * Expiry is *no longer* performed on a timer, and no longer uses a sorted list of any variety. This @@ -156,9 +161,11 @@ void XLineManager::CheckELines() if (ELines.empty()) return; - for (std::vector::const_iterator u2 = ServerInstance->Users->local_users.begin(); u2 != ServerInstance->Users->local_users.end(); u2++) + const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers(); + for (UserManager::LocalList::const_iterator u2 = list.begin(); u2 != list.end(); u2++) { - User* u = (User*)(*u2); + LocalUser* u = *u2; + u->exempt = false; /* This uses safe iteration to ensure that if a line expires here, it doenst trash the iterator */ LookupIter safei; @@ -169,7 +176,8 @@ void XLineManager::CheckELines() safei++; XLine *e = i->second; - u->exempt = e->Matches(u); + if ((!e->duration || ServerInstance->Time() < e->expiry) && e->Matches(u)) + u->exempt = true; i = safei; } @@ -241,7 +249,7 @@ IdentHostPair XLineManager::IdentSplit(const std::string &ident_and_host) } else { - n.first = ""; + n.first.clear(); n.second = ident_and_host; } @@ -252,8 +260,6 @@ IdentHostPair XLineManager::IdentSplit(const std::string &ident_and_host) bool XLineManager::AddLine(XLine* line, User* user) { - ServerInstance->BanCache->RemoveEntries(line->type, false); // XXX perhaps remove ELines here? - if (line->duration && ServerInstance->Time() > line->expiry) return false; // Don't apply expired XLines. @@ -264,7 +270,31 @@ bool XLineManager::AddLine(XLine* line, User* user) LookupIter i = x->second.find(line->Displayable()); if (i != x->second.end()) { - return false; + bool silent = false; + + // 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; + + 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; + } + + ExpireLine(x, i, silent); } } @@ -273,20 +303,22 @@ bool XLineManager::AddLine(XLine* line, User* user) if (!xlf) return false; + ServerInstance->BanCache.RemoveEntries(line->type, false); // XXX perhaps remove ELines here? + if (xlf->AutoApplyToUserList(line)) pending_lines.push_back(line); lookup_lines[line->type][line->Displayable()] = line; line->OnAdd(); - FOREACH_MOD(I_OnAddLine,OnAddLine(user, line)); + FOREACH_MOD(OnAddLine, (user, line)); return true; } // deletes a line, returns true if the line existed and was removed -bool XLineManager::DelLine(const char* hostmask, const std::string &type, User* user, bool simulate) +bool XLineManager::DelLine(const char* hostmask, const std::string& type, std::string& reason, User* user, bool simulate) { ContainerIter x = lookup_lines.find(type); @@ -298,18 +330,18 @@ bool XLineManager::DelLine(const char* hostmask, const std::string &type, User* if (y == x->second.end()) return false; + reason.assign(y->second->reason); + if (simulate) return true; - ServerInstance->BanCache->RemoveEntries(y->second->type, true); + ServerInstance->BanCache.RemoveEntries(y->second->type, true); - FOREACH_MOD(I_OnDelLine,OnDelLine(user, y->second)); + FOREACH_MOD(OnDelLine, (user, y->second)); y->second->Unset(); - std::vector::iterator pptr = std::find(pending_lines.begin(), pending_lines.end(), y->second); - if (pptr != pending_lines.end()) - pending_lines.erase(pptr); + stdalgo::erase(pending_lines, y->second); delete y->second; x->second.erase(y); @@ -320,17 +352,10 @@ bool XLineManager::DelLine(const char* hostmask, const std::string &type, User* void ELine::Unset() { - /* remove exempt from everyone and force recheck after deleting eline */ - for (std::vector::const_iterator u2 = ServerInstance->Users->local_users.begin(); u2 != ServerInstance->Users->local_users.end(); u2++) - { - User* u = (User*)(*u2); - u->exempt = false; - } - ServerInstance->XLines->CheckELines(); } -// returns a pointer to the reason if a nickname matches a qline, NULL if it didnt match +// returns a pointer to the reason if a nickname matches a Q-line, NULL if it didn't match XLine* XLineManager::MatchesLine(const std::string &type, User* user) { @@ -402,20 +427,20 @@ XLine* XLineManager::MatchesLine(const std::string &type, const std::string &pat } // removes lines that have expired -void XLineManager::ExpireLine(ContainerIter container, LookupIter item) +void XLineManager::ExpireLine(ContainerIter container, LookupIter item, bool silent) { - FOREACH_MOD(I_OnExpireLine, OnExpireLine(item->second)); + FOREACH_MOD(OnExpireLine, (item->second)); + + if (!silent) + item->second->DisplayExpiry(); - item->second->DisplayExpiry(); item->second->Unset(); /* 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 */ - std::vector::iterator pptr = std::find(pending_lines.begin(), pending_lines.end(), item->second); - if (pptr != pending_lines.end()) - pending_lines.erase(pptr); + stdalgo::erase(pending_lines, item->second); delete item->second; container->second.erase(item); @@ -425,10 +450,10 @@ void XLineManager::ExpireLine(ContainerIter container, LookupIter item) // applies lines, removing clients and changing nicks etc as applicable void XLineManager::ApplyLines() { - std::vector::reverse_iterator u2 = ServerInstance->Users->local_users.rbegin(); - while (u2 != ServerInstance->Users->local_users.rend()) + const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers(); + for (UserManager::LocalList::const_iterator j = list.begin(); j != list.end(); ) { - User* u = *u2++; + LocalUser* u = *j++; // Don't ban people who are exempt. if (u->exempt) @@ -438,17 +463,22 @@ void XLineManager::ApplyLines() { 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::InvokeStats(const std::string &type, int numeric, User* user, string_list &results) +void XLineManager::InvokeStats(const std::string& type, unsigned int numeric, Stats::Context& stats) { - std::string sn = ServerInstance->Config->ServerName; - ContainerIter n = lookup_lines.find(type); time_t current = ServerInstance->Time(); @@ -468,13 +498,36 @@ void XLineManager::InvokeStats(const std::string &type, int numeric, User* user, ExpireLine(n, i); } else - results.push_back(sn+" "+ConvToStr(numeric)+" "+user->nick+" :"+i->second->Displayable()+" "+ - ConvToStr(i->second->set_time)+" "+ConvToStr(i->second->duration)+" "+std::string(i->second->source)+" :"+(i->second->reason)); + stats.AddRow(numeric, i->second->Displayable(), i->second->set_time, i->second->duration, i->second->source, i->second->reason); i = safei; } } } +bool XLineManager::InvokeStats(const std::string& type, Stats::Context& context) +{ + 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; +} XLineManager::XLineManager() { @@ -504,8 +557,6 @@ XLineManager::~XLineManager() for(unsigned int i=0; i < sizeof(gekqz); i++) { XLineFactory* xlf = GetFactory(std::string(1, gekqz[i])); - if (xlf) - UnregisterFactory(xlf); delete xlf; } @@ -516,10 +567,7 @@ XLineManager::~XLineManager() { delete j->second; } - i->second.clear(); } - lookup_lines.clear(); - } void XLine::Apply(User* u) @@ -528,41 +576,39 @@ void XLine::Apply(User* u) bool XLine::IsBurstable() { - return true; + return !from_config; } void XLine::DefaultApply(User* u, const std::string &line, bool bancache) { - char sreason[MAXBUF]; - snprintf(sreason, MAXBUF, "%s-Lined: %s", line.c_str(), this->reason.c_str()); - if (!ServerInstance->Config->MoronBanner.empty()) - u->WriteServ("NOTICE %s :*** %s", u->nick.c_str(), ServerInstance->Config->MoronBanner.c_str()); + const std::string banReason = line + "-lined: " + reason; + + if (!ServerInstance->Config->XLineMessage.empty()) + u->WriteNumeric(ERR_YOUREBANNEDCREEP, ServerInstance->Config->XLineMessage); if (ServerInstance->Config->HideBans) - ServerInstance->Users->QuitUser(u, line + "-Lined", sreason); + ServerInstance->Users->QuitUser(u, line + "-lined", &banReason); else - ServerInstance->Users->QuitUser(u, sreason); + ServerInstance->Users->QuitUser(u, banReason); if (bancache) { - ServerInstance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Adding positive hit (") + line + ") for " + u->GetIPString()); - if (this->duration > 0) - ServerInstance->BanCache->AddHit(u->GetIPString(), this->type, line + "-Lined: " + this->reason, this->duration); - else - ServerInstance->BanCache->AddHit(u->GetIPString(), this->type, line + "-Lined: " + this->reason); + 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 (InspIRCd::Match(u->ident, this->identmask, ascii_case_insensitive_map)) { - if (InspIRCd::MatchCIDR(u->host, this->hostmask, ascii_case_insensitive_map) || - InspIRCd::MatchCIDR(u->GetIPString(), this->hostmask, ascii_case_insensitive_map)) + if (InspIRCd::MatchCIDR(u->GetRealHost(), this->hostmask, ascii_case_insensitive_map) || + InspIRCd::MatchCIDR(u->GetIPString(), this->hostmask, ascii_case_insensitive_map)) { return true; } @@ -578,13 +624,14 @@ void KLine::Apply(User* u) bool GLine::Matches(User *u) { - if (u->exempt) + LocalUser* lu = IS_LOCAL(u); + if (lu && lu->exempt) return false; if (InspIRCd::Match(u->ident, this->identmask, ascii_case_insensitive_map)) { - if (InspIRCd::MatchCIDR(u->host, this->hostmask, ascii_case_insensitive_map) || - InspIRCd::MatchCIDR(u->GetIPString(), this->hostmask, ascii_case_insensitive_map)) + if (InspIRCd::MatchCIDR(u->GetRealHost(), this->hostmask, ascii_case_insensitive_map) || + InspIRCd::MatchCIDR(u->GetIPString(), this->hostmask, ascii_case_insensitive_map)) { return true; } @@ -600,13 +647,10 @@ void GLine::Apply(User* u) bool ELine::Matches(User *u) { - if (u->exempt) - return false; - if (InspIRCd::Match(u->ident, this->identmask, ascii_case_insensitive_map)) { - if (InspIRCd::MatchCIDR(u->host, this->hostmask, ascii_case_insensitive_map) || - InspIRCd::MatchCIDR(u->GetIPString(), this->hostmask, ascii_case_insensitive_map)) + if (InspIRCd::MatchCIDR(u->GetRealHost(), this->hostmask, ascii_case_insensitive_map) || + InspIRCd::MatchCIDR(u->GetIPString(), this->hostmask, ascii_case_insensitive_map)) { return true; } @@ -617,7 +661,8 @@ 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 (InspIRCd::MatchCIDR(u->GetIPString(), this->ipaddr)) @@ -642,8 +687,9 @@ bool QLine::Matches(User *u) void QLine::Apply(User* u) { - /* Force to uuid on apply of qline, no need to disconnect any more :) */ - u->ForceNickChange(u->uuid.c_str()); + /* 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); } @@ -680,68 +726,46 @@ bool GLine::Matches(const std::string &str) void ELine::OnAdd() { - /* When adding one eline, only check the one eline */ - for (std::vector::const_iterator u2 = ServerInstance->Users->local_users.begin(); u2 != ServerInstance->Users->local_users.end(); u2++) + /* 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++) { - User* u = (User*)(*u2); + LocalUser* u = *u2; if (this->Matches(u)) u->exempt = true; } } -void ELine::DisplayExpiry() -{ - ServerInstance->SNO->WriteToSnoMask('x',"Removing expired E-Line %s@%s (set by %s %ld seconds ago)", - identmask.c_str(),hostmask.c_str(),source.c_str(),(long)(ServerInstance->Time() - this->set_time)); -} - -void QLine::DisplayExpiry() -{ - ServerInstance->SNO->WriteToSnoMask('x',"Removing expired Q-Line %s (set by %s %ld seconds ago)", - nick.c_str(),source.c_str(),(long)(ServerInstance->Time() - this->set_time)); -} - -void ZLine::DisplayExpiry() +void XLine::DisplayExpiry() { - ServerInstance->SNO->WriteToSnoMask('x',"Removing expired Z-Line %s (set by %s %ld seconds ago)", - ipaddr.c_str(),source.c_str(),(long)(ServerInstance->Time() - this->set_time)); + 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 KLine::DisplayExpiry() +const std::string& ELine::Displayable() { - ServerInstance->SNO->WriteToSnoMask('x',"Removing expired K-Line %s@%s (set by %s %ld seconds ago)", - identmask.c_str(),hostmask.c_str(),source.c_str(),(long)(ServerInstance->Time() - this->set_time)); + return matchtext; } -void GLine::DisplayExpiry() +const std::string& KLine::Displayable() { - ServerInstance->SNO->WriteToSnoMask('x',"Removing expired G-Line %s@%s (set by %s %ld seconds ago)", - identmask.c_str(),hostmask.c_str(),source.c_str(),(long)(ServerInstance->Time() - this->set_time)); + return matchtext; } -const char* ELine::Displayable() +const std::string& GLine::Displayable() { - return matchtext.c_str(); + return matchtext; } -const char* KLine::Displayable() +const std::string& ZLine::Displayable() { - return matchtext.c_str(); + return ipaddr; } -const char* GLine::Displayable() +const std::string& QLine::Displayable() { - return matchtext.c_str(); -} - -const char* ZLine::Displayable() -{ - return ipaddr.c_str(); -} - -const char* QLine::Displayable() -{ - return nick.c_str(); + return nick; } bool KLine::IsBurstable() @@ -782,3 +806,24 @@ XLineFactory* XLineManager::GetFactory(const std::string &type) 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); + } +}