/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2020 Matt Schatz <genius3000@g3k.solutions>
* Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
* Copyright (C) 2013, 2017-2020 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2013, 2016 Adam <Adam@anope.org>
* Copyright (C) 2012-2016, 2018 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007-2009 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007-2009 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2005, 2007-2010 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
* 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 "socket.h"
#include "xline.h"
#include "iohook.h"
#include "resolvers.h"
#include "main.h"
#include "utils.h"
#include "treeserver.h"
#include "link.h"
#include "treesocket.h"
#include "commands.h"
#include "translate.h"
ModuleSpanningTree::ModuleSpanningTree()
: Away::EventListener(this)
, Stats::EventListener(this)
, CTCTags::EventListener(this)
, rconnect(this)
, rsquit(this)
, map(this)
, commands(this)
, currmembid(0)
, broadcasteventprov(this, "event/server-broadcast")
, linkeventprov(this, "event/server-link")
, messageeventprov(this, "event/server-message")
, synceventprov(this, "event/server-sync")
, sslapi(this)
, servicetag(this)
, DNS(this, "DNS")
, tagevprov(this)
, loopCall(false)
{
}
SpanningTreeCommands::SpanningTreeCommands(ModuleSpanningTree* module)
: svsjoin(module), svspart(module), svsnick(module), metadata(module),
uid(module), opertype(module), fjoin(module), ijoin(module), resync(module),
fmode(module), ftopic(module), fhost(module), fident(module), fname(module),
away(module), addline(module), delline(module), encap(module), idle(module),
nick(module), ping(module), pong(module), save(module),
server(module), squit(module), snonotice(module),
endburst(module), sinfo(module), num(module)
{
}
namespace
{
void SetLocalUsersServer(Server* newserver)
{
// Does not change the server of quitting users because those are not in the list
ServerInstance->FakeClient->server = newserver;
const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers();
for (UserManager::LocalList::const_iterator i = list.begin(); i != list.end(); ++i)
(*i)->server = newserver;
}
void ResetMembershipIds()
{
// Set all membership ids to 0
const UserManager::LocalList& list = ServerInstance->Users.GetLocalUsers();
for (UserManager::LocalList::iterator i = list.begin(); i != list.end(); ++i)
{
LocalUser* user = *i;
for (User::ChanList::iterator j = user->chans.begin(); j != user->chans.end(); ++j)
(*j)->id = 0;
}
}
}
void ModuleSpanningTree::init()
{
ServerInstance->SNO->EnableSnomask('l', "LINK");
ResetMembershipIds();
Utils = new SpanningTreeUtilities(this);
Utils->TreeRoot = new TreeServer;
ServerInstance->PI = &protocolinterface;
delete ServerInstance->FakeClient->server;
SetLocalUsersServer(Utils->TreeRoot);
}
void ModuleSpanningTree::ShowLinks(TreeServer* Current, User* user, int hops)
{
std::string Parent = Utils->TreeRoot->GetName();
if (Current->GetParent())
{
Parent = Current->GetParent()->GetName();
}
const TreeServer::ChildServers& children = Current->GetChildren();
for (TreeServer::ChildServers::const_iterator i = children.begin(); i != children.end(); ++i)
{
TreeServer* server = *i;
if ((server->Hidden) || ((Utils->HideULines) && (server->IsULine())))
{
if (user->IsOper())
{
ShowLinks(server, user, hops+1);
}
}
else
{
ShowLinks(server, user, hops+1);
}
}
/* Don't display the line if its a uline, hide ulines is on, and the user isn't an oper */
if ((Utils->HideULines) && (Current->IsULine()) && (!user->IsOper()))
return;
/* Or if the server is hidden and they're not an oper */
else if ((Current->Hidden) && (!user->IsOper()))
return;
user->WriteNumeric(RPL_LINKS, Current->GetName(),
(((Utils->FlatLinks) && (!user->IsOper())) ? ServerInstance->Config->ServerName : Parent),
InspIRCd::Format("%d %s", (((Utils->FlatLinks) && (!user->IsOper())) ? 0 : hops), Current->GetDesc().c_str()));
}
void ModuleSpanningTree::HandleLinks(const CommandBase::Params& parameters, User* user)
{
ShowLinks(Utils->TreeRoot,user,0);
user->WriteNumeric(RPL_ENDOFLINKS, '*', "End of /LINKS list.");
}
void ModuleSpanningTree::ConnectServer(Autoconnect* a, bool on_timer)
{
if (!a)
return;
for(unsigned int j=0; j < a->servers.size(); j++)
{
if (Utils->FindServer(a->servers[j]))
{
// found something in this block. Should the server fail,
// we want to start at the start of the list, not in the
// middle where we left off
a->position = -1;
return;
}
}
if (on_timer && a->position >= 0)
return;
if (!on_timer && a->position < 0)
return;
a->position++;
while (a->position < (int)a->servers.size())
{
Link* x = Utils->FindLink(a->servers[a->position]);
if (x)
{
ServerInstance->SNO->WriteToSnoMask('l', "AUTOCONNECT: Auto-connecting server \002%s\002", x->Name.c_str());
ConnectServer(x, a);
return;
}
a->position++;
}
// Autoconnect chain has been fully iterated; start at the beginning on the
// next AutoConnectServers run
a->position = -1;
}
void ModuleSpanningTree::ConnectServer(Link* x, Autoconnect* y)
{
if (InspIRCd::Match(ServerInstance->Config->ServerName, x->Name, ascii_case_insensitive_map))
{
ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Not connecting to myself.");
return;
}
irc::sockets::sockaddrs sa;
if (x->IPAddr.find('/') != std::string::npos)
{
if (!irc::sockets::isunix(x->IPAddr) || !irc::sockets::untosa(x->IPAddr, sa))
{
// We don't use the family() != AF_UNSPEC check below for UNIX sockets as
// that results in a DNS lookup.
ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s is not a UNIX socket!",
x->Name.c_str(), x->IPAddr.c_str());
return;
}
}
else
{
// If this fails then the IP sa will be AF_UNSPEC.
irc::sockets::aptosa(x->IPAddr, x->Port, sa);
}
/* Do we already have an IP? If so, no need to resolve it. */
if (sa.family() != AF_UNSPEC)
{
// Create a TreeServer object that will start connecting immediately in the background
TreeSocket* newsocket = new TreeSocket(x, y, sa);
if (!newsocket->HasFd())
{
ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",
x->Name.c_str(), newsocket->getError().c_str());
ServerInstance->GlobalCulls.AddItem(newsocket);
}
}
else if (!DNS)
{
ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: Hostname given and core_dns is not loaded, unable to resolve.", x->Name.c_str());
}
else
{
// Guess start_type from bindip aftype
DNS::QueryType start_type = DNS::QUERY_AAAA;
irc::sockets::sockaddrs bind;
if ((!x->Bind.empty()) && (irc::sockets::aptosa(x->Bind, 0, bind)))
{
if (bind.family() == AF_INET)
start_type = DNS::QUERY_A;
}
ServernameResolver* snr = new ServernameResolver(*DNS, x->IPAddr, x, start_type, y);
try
{
DNS->Process(snr);
}
catch (DNS::Exception& e)
{
delete snr;
ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason().c_str());
ConnectServer(y, false);
}
}
}
void ModuleSpanningTree::AutoConnectServers(time_t curtime)
{
for (std::vector<reference<Autoconnect> >::iterator i = Utils->AutoconnectBlocks.begin(); i < Utils->AutoconnectBlocks.end(); ++i)
{
Autoconnect* x = *i;
if (curtime >= x->NextConnectTime)
{
x->NextConnectTime = curtime + x->Period;
ConnectServer(x, true);
}
}
}
void ModuleSpanningTree::DoConnectTimeout(time_t curtime)
{
SpanningTreeUtilities::TimeoutList::iterator i = Utils->timeoutlist.begin();
while (i != Utils->timeoutlist.end())
{
TreeSocket* s = i->first;
std::pair<std::string, unsigned int> p = i->second;
SpanningTreeUtilities::TimeoutList::iterator me = i;
i++;
if (s->GetLinkState() == DYING)
{
Utils->timeoutlist.erase(me);
s->Close();
}
else if (curtime > s->age + p.second)
{
ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002 (timeout of %u seconds)",p.first.c_str(),p.second);
Utils->timeoutlist.erase(me);
s->Close();
}
}
}
ModResult ModuleSpanningTree::HandleVersion(const CommandBase::Params& parameters, User* user)
{
// We've already confirmed that !parameters.empty(), so this is safe
TreeServer* found = Utils->FindServerMask(parameters[0]);
if (found)
{
if (found == Utils->TreeRoot)
{
// Pass to default VERSION handler.
return MOD_RES_PASSTHRU;
}
// If an oper wants to see the version then show the full version string instead of the normal,
// but only if it is non-empty.
// If it's empty it might be that the server is still syncing (full version hasn't arrived yet)
// or the server is a 2.0 server and does not send a full version.
bool showfull = ((user->IsOper()) && (!found->GetFullVersion().empty()));
Numeric::Numeric numeric(RPL_VERSION);
irc::tokenstream tokens(showfull ? found->GetFullVersion() : found->GetVersion());
for (std::string token; tokens.GetTrailing(token); )
numeric.push(token);
user->WriteNumeric(numeric);
}
else
{
user->WriteNumeric(ERR_NOSUCHSERVER, parameters[0], "No such server");
}
return MOD_RES_DENY;
}
ModResult ModuleSpanningTree::HandleConnect(const CommandBase::Params& parameters, User* user)
{
for (std::vector<reference<Link> >::iterator i = Utils->LinkBlocks.begin(); i < Utils->LinkBlocks.end(); i++)
{
Link* x = *i;
if (InspIRCd::Match(x->Name, parameters[0], ascii_case_insensitive_map))
{
if (InspIRCd::Match(ServerInstance->Config->ServerName, x->Name, ascii_case_insensitive_map))
{
user->WriteRemoteNotice(InspIRCd::Format("*** CONNECT: Server \002%s\002 is ME, not connecting.", x->Name.c_str()));
return MOD_RES_DENY;
}
TreeServer* CheckDupe = Utils->FindServer(x->Name);
if (!CheckDupe)
{
user->WriteRemoteNotice(InspIRCd::Format("*** CONNECT: Connecting to server: \002%s\002 (%s:%d)", x->Name.c_str(), (x->HiddenFromStats ? "<hidden>" : x->IPAddr.c_str()), x->Port));
ConnectServer(x);
return MOD_RES_DENY;
}
else
{
user->WriteRemoteNotice(InspIRCd::Format("*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002", x->Name.c_str(), CheckDupe->GetParent()->GetName().c_str()));
return MOD_RES_DENY;
}
}
}
user->WriteRemoteNotice(InspIRCd::Format("*** CONNECT: No server matching \002%s\002 could be found in the config file.", parameters[0].c_str()));
return MOD_RES_DENY;
}
void ModuleSpanningTree::OnUserInvite(User* source, User* dest, Channel* channel, time_t expiry, unsigned int notifyrank, CUList& notifyexcepts)
{
if (IS_LOCAL(source))
{
CmdBuilder params(source, "INVITE");
params.push(dest->uuid);
params.push(channel->name);
params.push_int(channel->age);
params.push(ConvToStr(expiry));
params.Broadcast();
}
}
ModResult ModuleSpanningTree::OnPreTopicChange(User* user, Channel* chan, const std::string& topic)
{
// XXX: Deny topic changes if the current topic set time is the current time or is in the future because
// other servers will drop our FTOPIC. This restriction will be removed when the protocol is updated.
if ((chan->topicset >= ServerInstance->Time()) && (Utils->serverlist.size() > 1))
{
user->WriteNumeric(ERR_CHANOPRIVSNEEDED, chan->name, "Retry topic change later");
return MOD_RES_DENY;
}
return MOD_RES_PASSTHRU;
}
void ModuleSpanningTree::OnPostTopicChange(User* user, Channel* chan, const std::string &topic)
{
// Drop remote events on the floor.
if (!IS_LOCAL(user))
return;
CommandFTopic::Builder(user, chan).Broadcast();
}
void ModuleSpanningTree::OnUserPostMessage(User* user, const MessageTarget& target, const MessageDetails& details)
{
if (!IS_LOCAL(user))
return;
const char* message_type = (details.type == MSG_PRIVMSG ? "PRIVMSG" : "NOTICE");
switch (target.type)
{
case MessageTarget::TYPE_USER:
{
User* d = target.Get<User>();
if (!IS_LOCAL(d))
{
CmdBuilder params(user, message_type);
params.push_tags(details.tags_out);
params.push(d->uuid);
params.push_last(details.text);
params.Unicast(d);
}
break;
}
case MessageTarget::TYPE_CHANNEL:
{
Utils->SendChannelMessage(user, target.Get<Channel>(), details.text, target.status, details.tags_out, details.exemptions, message_type);
break;
}
case MessageTarget::TYPE_SERVER:
{
const std::string* serverglob = target.Get<std::string>();
CmdBuilder par(user, message_type);
par.push_tags(details.tags_out);
par.push(std::string("$") + *serverglob);
par.push_last(details.text);
par.Broadcast();
break;
}
}
}
void ModuleSpanningTree::OnUserPostTagMessage(User* user, const MessageTarget& target, const CTCTags::TagMessageDetails& details)
{
if (!IS_LOCAL(user))
return;
switch (target.type)
{
case MessageTarget::TYPE_USER:
{
User* d = target.Get<User>();
if (!IS_LOCAL(d))
{
CmdBuilder params(user, "TAGMSG");
params.push_tags(details.tags_out);
params.push(d->uuid);
params.Unicast(d);
}
break;
}
case MessageTarget::TYPE_CHANNEL:
{
Utils->SendChannelMessage(user, target.Get<Channel>(), "", target.status, details.tags_out, details.exemptions, "TAGMSG");
break;
}
case MessageTarget::TYPE_SERVER:
{
const std::string* serverglob = target.Get<std::string>();
CmdBuilder par(user, "TAGMSG");
par.push_tags(details.tags_out);
par.push(std::string("$") + *serverglob);
par.Broadcast();
break;
}
}
}
void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
{
AutoConnectServers(curtime);
DoConnectTimeout(curtime);
}
void ModuleSpanningTree::OnUserConnect(LocalUser* user)
{
if (user->quitting)
return;
// Create the lazy ssl_cert metadata for this user if not already created.
if (sslapi)
sslapi->GetCertificate(user);
CommandUID::Builder(user).Broadcast();
if (user->IsOper())
CommandOpertype::Builder(user).Broadcast();
for(Extensible::ExtensibleStore::const_iterator i = user->GetExtList().begin(); i != user->GetExtList().end(); i++)
{
ExtensionItem* item = i->first;
std::string value = item->ToNetwork(user, i->second);
if (!value.empty())
ServerInstance->PI->SendMetaData(user, item->name, value);
}
Utils->TreeRoot->UserCount++;
}
void ModuleSpanningTree::OnUserJoin(Membership* memb, bool sync, bool created_by_local, CUList& excepts)
{
// Only do this for local users
if (!IS_LOCAL(memb->user))
return;
// Assign the current membership id to the new Membership and increase it
memb->id = currmembid++;
if (created_by_local)
{
CommandFJoin::Builder params(memb->chan);
params.add(memb);
params.finalize();
params.Broadcast();
}
else
{
CmdBuilder params(memb->user, "IJOIN");
params.push(memb->chan->name);
params.push_int(memb->id);
if (!memb->modes.empty())
{
params.push(ConvToStr(memb->chan->age));
params.push(memb->modes);
}
params.Broadcast();
}
}
void ModuleSpanningTree::OnChangeHost(User* user, const std::string &newhost)
{
if (user->registered != REG_ALL || !IS_LOCAL(user))
return;
CmdBuilder(user, "FHOST").push(newhost).Broadcast();
}
void ModuleSpanningTree::OnChangeRealName(User* user, const std::string& real)
{
if (user->registered != REG_ALL || !IS_LOCAL(user))
return;
CmdBuilder(user, "FNAME").push_last(real).Broadcast();
}
void ModuleSpanningTree::OnChangeIdent(User* user, const std::string &ident)
{
if ((user->registered != REG_ALL) || (!IS_LOCAL(user)))
return;
CmdBuilder(user, "FIDENT").push(ident).Broadcast();
}
void ModuleSpanningTree::OnUserPart(Membership* memb, std::string &partmessage, CUList& excepts)
{
if (IS_LOCAL(memb->user))
{
CmdBuilder params(memb->user, "PART");
params.push(memb->chan->name);
if (!partmessage.empty())
params.push_last(partmessage);
params.Broadcast();
}
}
void ModuleSpanningTree::OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
{
if (IS_LOCAL(user))
{
if (oper_message != reason)
ServerInstance->PI->SendMetaData(user, "operquit", oper_message);
CmdBuilder(user, "QUIT").push_last(reason).Broadcast();
}
else
{
// Hide the message if one of the following is true:
// - User is being quit due to a netsplit and quietbursts is on
// - Server is a silent uline
TreeServer* server = TreeServer::Get(user);
bool hide = (((server->IsDead()) && (Utils->quiet_bursts)) || (server->IsSilentULine()));
if (!hide)
{
ServerInstance->SNO->WriteToSnoMask('Q', "Client exiting on server %s: %s (%s) [%s]",
user->server->GetName().c_str(), user->GetFullRealHost().c_str(), user->GetIPString().c_str(), oper_message.c_str());
}
}
// Regardless, update the UserCount
TreeServer::Get(user)->UserCount--;
}
void ModuleSpanningTree::OnUserPostNick(User* user, const std::string &oldnick)
{
if (IS_LOCAL(user))
{
// The nick TS is updated by the core, we don't do it
CmdBuilder params(user, "NICK");
params.push(user->nick);
params.push(ConvToStr(user->age));
params.Broadcast();
}
else if (!loopCall)
{
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "WARNING: Changed nick of remote user %s from %s to %s TS %lu by ourselves!", user->uuid.c_str(), oldnick.c_str(), user->nick.c_str(), (unsigned long) user->age);
}
}
void ModuleSpanningTree::OnUserKick(User* source, Membership* memb, const std::string &reason, CUList& excepts)
{
if ((!IS_LOCAL(source)) && (source != ServerInstance->FakeClient))
return;
CmdBuilder params(source, "KICK");
params.push(memb->chan->name);
params.push(memb->user->uuid);
// If a remote user is being kicked by us then send the membership id in the kick too
if (!IS_LOCAL(memb->user))
params.push_int(memb->id);
params.push_last(reason);
params.Broadcast();
}
void ModuleSpanningTree::OnPreRehash(User* user, const std::string ¶meter)
{
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "OnPreRehash called with param %s", parameter.c_str());
// Send out to other servers
if (!parameter.empty() && parameter[0] != '-')
{
CmdBuilder params(user ? user : ServerInstance->FakeClient, "REHASH");
params.push(parameter);
params.Forward(user ? TreeServer::Get(user)->GetRoute() : NULL);
}
}
void ModuleSpanningTree::ReadConfig(ConfigStatus& status)
{
// Did this rehash change the description of this server?
const std::string& newdesc = ServerInstance->Config->ServerDesc;
if (newdesc != Utils->TreeRoot->GetDesc())
{
// Broadcast a SINFO desc message to let the network know about the new description. This is the description
// string that is sent in the SERVER message initially and shown for example in WHOIS.
// We don't need to update the field itself in the Server object - the core does that.
CommandSInfo::Builder(Utils->TreeRoot, "desc", newdesc).Broadcast();
}
// Re-read config stuff
try
{
Utils->ReadConfiguration();
}
catch (ModuleException& e)
{
// Refresh the IP cache anyway, so servers read before the error will be allowed to connect
Utils->RefreshIPCache();
// Always warn local opers with snomask +l, also warn globally (snomask +L) if the rehash was issued by a remote user
std::string msg = "Error in configuration: ";
msg.append(e.GetReason());
ServerInstance->SNO->WriteToSnoMask('l', msg);
if (status.srcuser && !IS_LOCAL(status.srcuser))
ServerInstance->PI->SendSNONotice('L', msg);
}
}
void ModuleSpanningTree::OnLoadModule(Module* mod)
{
std::string data;
data.push_back('+');
data.append(mod->ModuleSourceFile);
Version v = mod->GetVersion();
if (!v.link_data.empty())
{
data.push_back('=');
data.append(v.link_data);
}
ServerInstance->PI->SendMetaData("modules", data);
}
void ModuleSpanningTree::OnUnloadModule(Module* mod)
{
if (!Utils)
return;
ServerInstance->PI->SendMetaData("modules", "-" + mod->ModuleSourceFile);
if (mod == this)
{
// We are being unloaded, inform modules about all servers splitting which cannot be done later when the servers are actually disconnected
const server_hash& servers = Utils->serverlist;
for (server_hash::const_iterator i = servers.begin(); i != servers.end(); ++i)
{
TreeServer* server = i->second;
if (!server->IsRoot())
FOREACH_MOD_CUSTOM(GetLinkEventProvider(), ServerProtocol::LinkEventListener, OnServerSplit, (server, false));
}
return;
}
// Some other module is being unloaded. If it provides an IOHook we use, we must close that server connection now.
restart:
// Close all connections which use an IO hook provided by this module
const TreeServer::ChildServers& list = Utils->TreeRoot->GetChildren();
for (TreeServer::ChildServers::const_iterator i = list.begin(); i != list.end(); ++i)
{
TreeSocket* sock = (*i)->GetSocket();
if (sock->GetModHook(mod))
{
sock->SendError("SSL module unloaded");
sock->Close();
// XXX: The list we're iterating is modified by TreeServer::SQuit() which is called by Close()
goto restart;
}
}
for (SpanningTreeUtilities::TimeoutList::const_iterator i = Utils->timeoutlist.begin(); i != Utils->timeoutlist.end(); ++i)
{
TreeSocket* sock = i->first;
if (sock->GetModHook(mod))
sock->Close();
}
}
void ModuleSpanningTree::OnOper(User* user, const std::string &opertype)
{
if (user->registered != REG_ALL || !IS_LOCAL(user))
return;
// Note: The protocol does not allow direct umode +o;
// sending OPERTYPE infers +o modechange locally.
CommandOpertype::Builder(user).Broadcast();
}
void ModuleSpanningTree::OnAddLine(User* user, XLine *x)
{
if (!x->IsBurstable() || loopCall || (user && !IS_LOCAL(user)))
return;
if (!user)
user = ServerInstance->FakeClient;
CommandAddLine::Builder(x, user).Broadcast();
}
void ModuleSpanningTree::OnDelLine(User* user, XLine *x)
{
if (!x->IsBurstable() || loopCall || (user && !IS_LOCAL(user)))
return;
if (!user)
user = ServerInstance->FakeClient;
CmdBuilder params(user, "DELLINE");
params.push(x->type);
params.push(x->Displayable());
params.Broadcast();
}
void ModuleSpanningTree::OnUserAway(User* user)
{
if (IS_LOCAL(user))
CommandAway::Builder(user).Broadcast();
}
void ModuleSpanningTree::OnUserBack(User* user)
{
if (IS_LOCAL(user))
CommandAway::Builder(user).Broadcast();
}
void ModuleSpanningTree::OnMode(User* source, User* u, Channel* c, const Modes::ChangeList& modes, ModeParser::ModeProcessFlag processflags)
{
if (processflags & ModeParser::MODE_LOCALONLY)
return;
if (u)
{
if (u->registered != REG_ALL)
return;
CmdBuilder params(source, "MODE");
params.push(u->uuid);
params.push(ClientProtocol::Messages::Mode::ToModeLetters(modes));
params.push_raw(Translate::ModeChangeListToParams(modes.getlist()));
params.Broadcast();
}
else
{
CmdBuilder params(source, "FMODE");
params.push(c->name);
params.push_int(c->age);
params.push(ClientProtocol::Messages::Mode::ToModeLetters(modes));
params.push_raw(Translate::ModeChangeListToParams(modes.getlist()));
params.Broadcast();
}
}
void ModuleSpanningTree::OnShutdown(const std::string& reason)
{
const TreeServer::ChildServers& children = Utils->TreeRoot->GetChildren();
while (!children.empty())
children.front()->SQuit(reason, true);
}
CullResult ModuleSpanningTree::cull()
{
if (Utils)
Utils->cull();
return this->Module::cull();
}
ModuleSpanningTree::~ModuleSpanningTree()
{
ServerInstance->PI = &ServerInstance->DefaultProtocolInterface;
Server* newsrv = new Server(ServerInstance->Config->GetSID(), ServerInstance->Config->ServerName, ServerInstance->Config->ServerDesc);
SetLocalUsersServer(newsrv);
delete Utils;
}
Version ModuleSpanningTree::GetVersion()
{
return Version("Allows linking multiple servers together as part of one network.", VF_VENDOR);
}
/* It is IMPORTANT that m_spanningtree is the last module in the chain
* so that any activity it sees is FINAL, e.g. we arent going to send out
* a NICK message before m_cloaking has finished putting the +x on the user,
* etc etc.
* Therefore, we set our priority to PRIORITY_LAST to make sure we end up at the END of
* the module call queue.
*/
void ModuleSpanningTree::Prioritize()
{
ServerInstance->Modules->SetPriority(this, PRIORITY_LAST);
ServerInstance->Modules.SetPriority(this, I_OnPreTopicChange, PRIORITY_FIRST);
}
MODULE_INIT(ModuleSpanningTree)
