/*
* InspIRCd -- Internet Relay Chat Daemon
*
+ * Copyright (C) 2019 Matt Schatz <genius3000@g3k.solutions>
+ * Copyright (C) 2013, 2017-2020 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2013 Adam <Adam@anope.org>
+ * Copyright (C) 2012-2014, 2016 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012, 2018-2019 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
- * Copyright (C) 2005-2009 Robin Burchell <robin+git@viroteck.net>
- * Copyright (C) 2004-2008 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2007-2009 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
- * Copyright (C) 2007 John Brooks <john.brooks@dereferenced.net>
+ * Copyright (C) 2006-2008, 2010 Craig Edwards <brain@inspircd.org>
*
* 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
#include "inspircd.h"
#include "xline.h"
+#include "modules/stats.h"
/** An XLineFactory specialized to generate GLine* pointers
*/
/** 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);
/** 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);
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
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
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);
+ }
};
* 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.)
* 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
for (UserManager::LocalList::const_iterator u2 = list.begin(); u2 != list.end(); 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;
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;
}
ContainerIter x = lookup_lines.find(line->type);
if (x != lookup_lines.end())
{
- LookupIter i = x->second.find(line->Displayable().c_str());
+ LookupIter i = x->second.find(line->Displayable());
if (i != x->second.end())
{
- // XLine 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;
+ bool silent = false;
- ExpireLine(x, i);
+ // 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);
}
}
if (xlf->AutoApplyToUserList(line))
pending_lines.push_back(line);
- lookup_lines[line->type][line->Displayable().c_str()] = line;
+ lookup_lines[line->type][line->Displayable()] = line;
line->OnAdd();
FOREACH_MOD(OnAddLine, (user, line));
// 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);
if (y == x->second.end())
return false;
+ reason.assign(y->second->reason);
+
if (simulate)
return true;
void ELine::Unset()
{
- /* remove exempt from everyone and force recheck after deleting eline */
- 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;
- }
-
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)
{
}
// removes lines that have expired
-void XLineManager::ExpireLine(ContainerIter container, LookupIter item)
+void XLineManager::ExpireLine(ContainerIter container, LookupIter item, bool silent)
{
FOREACH_MOD(OnExpireLine, (item->second));
- item->second->DisplayExpiry();
+ if (!silent)
+ 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
void XLineManager::ApplyLines()
{
const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers();
- for (UserManager::LocalList::const_iterator j = list.begin(); j != list.end(); ++j)
+ for (UserManager::LocalList::const_iterator j = list.begin(); j != list.end(); )
{
- LocalUser* u = *j;
+ LocalUser* u = *j++;
// Don't ban people who are exempt.
if (u->exempt)
{
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)
{
ContainerIter n = lookup_lines.find(type);
ExpireLine(n, i);
}
else
- results.push_back(ConvToStr(numeric)+" "+user->nick+" :"+i->second->Displayable()+" "+
- ConvToStr(i->second->set_time)+" "+ConvToStr(i->second->duration)+" "+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()
{
bool XLine::IsBurstable()
{
- return true;
+ return !from_config;
}
void XLine::DefaultApply(User* u, const std::string &line, bool bancache)
{
- const std::string banReason = line + "-Lined: " + reason;
+ const std::string banReason = line + "-lined: " + reason;
if (!ServerInstance->Config->XLineMessage.empty())
- u->WriteNumeric(ERR_YOUREBANNEDCREEP, ":" + ServerInstance->Config->XLineMessage);
+ u->WriteNumeric(ERR_YOUREBANNEDCREEP, ServerInstance->Config->XLineMessage);
if (ServerInstance->Config->HideBans)
- ServerInstance->Users->QuitUser(u, line + "-Lined", &banReason);
+ ServerInstance->Users->QuitUser(u, line + "-lined", &banReason);
else
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);
+ ServerInstance->BanCache.AddHit(u->GetIPString(), this->type, banReason, (this->duration > 0 ? (this->expiry - ServerInstance->Time()) : 0));
}
}
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;
}
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;
}
bool ELine::Matches(User *u)
{
- 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;
}
void QLine::Apply(User* u)
{
- /* Force to uuid on apply of qline, no need to disconnect any more :) */
+ /* 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);
}
void ELine::OnAdd()
{
- /* When adding one eline, only check the one eline */
+ /* 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++)
{
void XLine::DisplayExpiry()
{
bool onechar = (type.length() == 1);
- ServerInstance->SNO->WriteToSnoMask('x', "Removing expired %s%s %s (set by %s %ld seconds ago)",
- type.c_str(), (onechar ? "-Line" : ""), Displayable().c_str(), source.c_str(), (long)(ServerInstance->Time() - set_time));
+ 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());
}
const std::string& ELine::Displayable()
return n->second;
}
+
+void XLineManager::ExpireRemovedConfigLines(const std::string& type, const insp::flat_set<std::string>& 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);
+ }
+}