/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007-2009 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
* Copyright (C) 2007 Dennis Friis <peavey@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/>.
*/
/* $ModDesc: Provides a spanning tree server link protocol */
#include "inspircd.h"
#include "socket.h"
#include "xline.h"
#include "cachetimer.h"
#include "resolvers.h"
#include "main.h"
#include "utils.h"
#include "treeserver.h"
#include "link.h"
#include "treesocket.h"
#include "commands.h"
#include "protocolinterface.h"
ModuleSpanningTree::ModuleSpanningTree()
: KeepNickTS(false)
{
Utils = new SpanningTreeUtilities(this);
commands = new SpanningTreeCommands(this);
RefreshTimer = NULL;
}
SpanningTreeCommands::SpanningTreeCommands(ModuleSpanningTree* module)
: rconnect(module, module->Utils), rsquit(module, module->Utils),
svsjoin(module), svspart(module), svsnick(module), metadata(module),
uid(module), opertype(module), fjoin(module), fmode(module), ftopic(module),
fhost(module), fident(module), fname(module)
{
}
void ModuleSpanningTree::init()
{
ServerInstance->Modules->AddService(commands->rconnect);
ServerInstance->Modules->AddService(commands->rsquit);
ServerInstance->Modules->AddService(commands->svsjoin);
ServerInstance->Modules->AddService(commands->svspart);
ServerInstance->Modules->AddService(commands->svsnick);
ServerInstance->Modules->AddService(commands->metadata);
ServerInstance->Modules->AddService(commands->uid);
ServerInstance->Modules->AddService(commands->opertype);
ServerInstance->Modules->AddService(commands->fjoin);
ServerInstance->Modules->AddService(commands->fmode);
ServerInstance->Modules->AddService(commands->ftopic);
ServerInstance->Modules->AddService(commands->fhost);
ServerInstance->Modules->AddService(commands->fident);
ServerInstance->Modules->AddService(commands->fname);
RefreshTimer = new CacheRefreshTimer(Utils);
ServerInstance->Timers->AddTimer(RefreshTimer);
Implementation eventlist[] =
{
I_OnPreCommand, I_OnGetServerDescription, I_OnUserInvite, I_OnPostTopicChange,
I_OnWallops, I_OnUserNotice, I_OnUserMessage, I_OnBackgroundTimer, I_OnUserJoin,
I_OnChangeHost, I_OnChangeName, I_OnChangeIdent, I_OnUserPart, I_OnUnloadModule,
I_OnUserQuit, I_OnUserPostNick, I_OnUserKick, I_OnRemoteKill, I_OnRehash, I_OnPreRehash,
I_OnOper, I_OnAddLine, I_OnDelLine, I_OnMode, I_OnLoadModule, I_OnStats,
I_OnSetAway, I_OnPostCommand, I_OnUserConnect, I_OnAcceptConnection
};
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
delete ServerInstance->PI;
ServerInstance->PI = new SpanningTreeProtocolInterface(Utils);
loopCall = false;
// update our local user count
Utils->TreeRoot->SetUserCount(ServerInstance->Users->local_users.size());
}
void ModuleSpanningTree::ShowLinks(TreeServer* Current, User* user, int hops)
{
std::string Parent = Utils->TreeRoot->GetName();
if (Current->GetParent())
{
Parent = Current->GetParent()->GetName();
}
for (unsigned int q = 0; q < Current->ChildCount(); q++)
{
if ((Current->GetChild(q)->Hidden) || ((Utils->HideULines) && (ServerInstance->ULine(Current->GetChild(q)->GetName()))))
{
if (IS_OPER(user))
{
ShowLinks(Current->GetChild(q),user,hops+1);
}
}
else
{
ShowLinks(Current->GetChild(q),user,hops+1);
}
}
/* Don't display the line if its a uline, hide ulines is on, and the user isnt an oper */
if ((Utils->HideULines) && (ServerInstance->ULine(Current->GetName())) && (!IS_OPER(user)))
return;
/* Or if the server is hidden and they're not an oper */
else if ((Current->Hidden) && (!IS_OPER(user)))
return;
std::string servername = Current->GetName();
user->WriteNumeric(364, "%s %s %s :%d %s", user->nick.c_str(), servername.c_str(),
(Utils->FlatLinks && (!IS_OPER(user))) ? ServerInstance->Config->ServerName.c_str() : Parent.c_str(),
(Utils->FlatLinks && (!IS_OPER(user))) ? 0 : hops,
Current->GetDesc().c_str());
}
int ModuleSpanningTree::CountServs()
{
return Utils->serverlist.size();
}
void ModuleSpanningTree::HandleLinks(const std::vector<std::string>& parameters, User* user)
{
ShowLinks(Utils->TreeRoot,user,0);
user->WriteNumeric(365, "%s * :End of /LINKS list.",user->nick.c_str());
return;
}
std::string ModuleSpanningTree::TimeToStr(time_t secs)
{
time_t mins_up = secs / 60;
time_t hours_up = mins_up / 60;
time_t days_up = hours_up / 24;
secs = secs % 60;
mins_up = mins_up % 60;
hours_up = hours_up % 24;
return ((days_up ? (ConvToStr(days_up) + "d") : "")
+ (hours_up ? (ConvToStr(hours_up) + "h") : "")
+ (mins_up ? (ConvToStr(mins_up) + "m") : "")
+ ConvToStr(secs) + "s");
}
void ModuleSpanningTree::DoPingChecks(time_t curtime)
{
/*
* Cancel remote burst mode on any servers which still have it enabled due to latency/lack of data.
* This prevents lost REMOTECONNECT notices
*/
long ts = ServerInstance->Time() * 1000 + (ServerInstance->Time_ns() / 1000000);
restart:
for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
{
TreeServer *s = i->second;
if (s->GetSocket() && s->GetSocket()->GetLinkState() == DYING)
{
s->GetSocket()->Close();
goto restart;
}
// Fix for bug #792, do not ping servers that are not connected yet!
// Remote servers have Socket == NULL and local connected servers have
// Socket->LinkState == CONNECTED
if (s->GetSocket() && s->GetSocket()->GetLinkState() != CONNECTED)
continue;
// Now do PING checks on all servers
TreeServer *mts = Utils->BestRouteTo(s->GetID());
if (mts)
{
// Only ping if this server needs one
if (curtime >= s->NextPingTime())
{
// And if they answered the last
if (s->AnsweredLastPing())
{
// They did, send a ping to them
s->SetNextPingTime(curtime + Utils->PingFreq);
TreeSocket *tsock = mts->GetSocket();
// ... if we can find a proper route to them
if (tsock)
{
tsock->WriteLine(":" + ServerInstance->Config->GetSID() + " PING " +
ServerInstance->Config->GetSID() + " " + s->GetID());
s->LastPingMsec = ts;
}
}
else
{
// They didn't answer the last ping, if they are locally connected, get rid of them.
TreeSocket *sock = s->GetSocket();
if (sock)
{
sock->SendError("Ping timeout");
sock->Close();
goto restart;
}
}
}
// If warn on ping enabled and not warned and the difference is sufficient and they didn't answer the last ping...
if ((Utils->PingWarnTime) && (!s->Warned) && (curtime >= s->NextPingTime() - (Utils->PingFreq - Utils->PingWarnTime)) && (!s->AnsweredLastPing()))
{
/* The server hasnt responded, send a warning to opers */
std::string servername = s->GetName();
ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", servername.c_str(), Utils->PingWarnTime);
s->Warned = true;
}
}
}
}
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)
{
bool ipvalid = true;
if (InspIRCd::Match(ServerInstance->Config->ServerName, assign(x->Name), rfc_case_insensitive_map))
{
ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Not connecting to myself.");
return;
}
QueryType start_type = DNS_QUERY_AAAA;
if (strchr(x->IPAddr.c_str(),':'))
{
in6_addr n;
if (inet_pton(AF_INET6, x->IPAddr.c_str(), &n) < 1)
ipvalid = false;
}
else
{
in_addr n;
if (inet_aton(x->IPAddr.c_str(),&n) < 1)
ipvalid = false;
}
/* Do we already have an IP? If so, no need to resolve it. */
if (ipvalid)
{
/* Gave a hook, but it wasnt one we know */
TreeSocket* newsocket = new TreeSocket(Utils, x, y, x->IPAddr);
if (newsocket->GetFd() > -1)
{
/* Handled automatically on success */
}
else
{
ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",
x->Name.c_str(), newsocket->getError().c_str());
ServerInstance->GlobalCulls.AddItem(newsocket);
}
}
else
{
try
{
bool cached = false;
ServernameResolver* snr = new ServernameResolver(Utils, x->IPAddr, x, cached, start_type, y);
ServerInstance->AddResolver(snr, cached);
}
catch (ModuleException& e)
{
ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",x->Name.c_str(), e.GetReason());
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)
{
std::map<TreeSocket*, std::pair<std::string, int> >::iterator i = Utils->timeoutlist.begin();
while (i != Utils->timeoutlist.end())
{
TreeSocket* s = i->first;
std::pair<std::string, int> p = i->second;
std::map<TreeSocket*, std::pair<std::string, int> >::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 %d seconds)",p.first.c_str(),p.second);
Utils->timeoutlist.erase(me);
s->Close();
}
}
}
ModResult ModuleSpanningTree::HandleVersion(const std::vector<std::string>& parameters, User* user)
{
// we've already checked if pcnt > 0, so this is safe
TreeServer* found = Utils->FindServerMask(parameters[0]);
if (found)
{
std::string Version = found->GetVersion();
user->WriteNumeric(351, "%s :%s",user->nick.c_str(),Version.c_str());
if (found == Utils->TreeRoot)
{
ServerInstance->Config->Send005(user);
}
}
else
{
user->WriteNumeric(402, "%s %s :No such server",user->nick.c_str(),parameters[0].c_str());
}
return MOD_RES_DENY;
}
/* This method will attempt to get a message to a remote user.
*/
void ModuleSpanningTree::RemoteMessage(User* user, const char* format, ...)
{
char text[MAXBUF];
va_list argsPtr;
va_start(argsPtr, format);
vsnprintf(text, MAXBUF, format, argsPtr);
va_end(argsPtr);
if (IS_LOCAL(user))
user->WriteServ("NOTICE %s :%s", user->nick.c_str(), text);
else
ServerInstance->PI->SendUserNotice(user, text);
}
ModResult ModuleSpanningTree::HandleConnect(const std::vector<std::string>& 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.c_str(),parameters[0], rfc_case_insensitive_map))
{
if (InspIRCd::Match(ServerInstance->Config->ServerName, assign(x->Name), rfc_case_insensitive_map))
{
RemoteMessage(user, "*** CONNECT: Server \002%s\002 is ME, not connecting.",x->Name.c_str());
return MOD_RES_DENY;
}
TreeServer* CheckDupe = Utils->FindServer(x->Name.c_str());
if (!CheckDupe)
{
RemoteMessage(user, "*** 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
{
std::string servername = CheckDupe->GetParent()->GetName();
RemoteMessage(user, "*** CONNECT: Server \002%s\002 already exists on the network and is connected via \002%s\002", x->Name.c_str(), servername.c_str());
return MOD_RES_DENY;
}
}
}
RemoteMessage(user, "*** CONNECT: No server matching \002%s\002 could be found in the config file.",parameters[0].c_str());
return MOD_RES_DENY;
}
void ModuleSpanningTree::OnGetServerDescription(const std::string &servername,std::string &description)
{
TreeServer* s = Utils->FindServer(servername);
if (s)
{
description = s->GetDesc();
}
}
void ModuleSpanningTree::OnUserInvite(User* source,User* dest,Channel* channel, time_t expiry)
{
if (IS_LOCAL(source))
{
parameterlist params;
params.push_back(dest->uuid);
params.push_back(channel->name);
params.push_back(ConvToStr(expiry));
Utils->DoOneToMany(source->uuid,"INVITE",params);
}
}
void ModuleSpanningTree::OnPostTopicChange(User* user, Channel* chan, const std::string &topic)
{
// Drop remote events on the floor.
if (!IS_LOCAL(user))
return;
parameterlist params;
params.push_back(chan->name);
params.push_back(":"+topic);
Utils->DoOneToMany(user->uuid,"TOPIC",params);
}
void ModuleSpanningTree::OnWallops(User* user, const std::string &text)
{
if (IS_LOCAL(user))
{
parameterlist params;
params.push_back(":"+text);
Utils->DoOneToMany(user->uuid,"WALLOPS",params);
}
}
void ModuleSpanningTree::OnUserNotice(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
{
/* Server origin */
if (user == NULL)
return;
if (target_type == TYPE_USER)
{
User* d = (User*)dest;
if (!IS_LOCAL(d) && IS_LOCAL(user))
{
parameterlist params;
params.push_back(d->uuid);
params.push_back(":"+text);
Utils->DoOneToOne(user->uuid,"NOTICE",params,d->server);
}
}
else if (target_type == TYPE_CHANNEL)
{
if (IS_LOCAL(user))
{
Channel *c = (Channel*)dest;
if (c)
{
std::string cname = c->name;
if (status)
cname = status + cname;
TreeServerList list;
Utils->GetListOfServersForChannel(c,list,status,exempt_list);
for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
{
TreeSocket* Sock = i->second->GetSocket();
if (Sock)
Sock->WriteLine(":"+std::string(user->uuid)+" NOTICE "+cname+" :"+text);
}
}
}
}
else if (target_type == TYPE_SERVER)
{
if (IS_LOCAL(user))
{
char* target = (char*)dest;
parameterlist par;
par.push_back(target);
par.push_back(":"+text);
Utils->DoOneToMany(user->uuid,"NOTICE",par);
}
}
}
void ModuleSpanningTree::OnUserMessage(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
{
/* Server origin */
if (user == NULL)
return;
if (target_type == TYPE_USER)
{
// route private messages which are targetted at clients only to the server
// which needs to receive them
User* d = (User*)dest;
if (!IS_LOCAL(d) && (IS_LOCAL(user)))
{
parameterlist params;
params.push_back(d->uuid);
params.push_back(":"+text);
Utils->DoOneToOne(user->uuid,"PRIVMSG",params,d->server);
}
}
else if (target_type == TYPE_CHANNEL)
{
if (IS_LOCAL(user))
{
Channel *c = (Channel*)dest;
if (c)
{
std::string cname = c->name;
if (status)
cname = status + cname;
TreeServerList list;
Utils->GetListOfServersForChannel(c,list,status,exempt_list);
for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
{
TreeSocket* Sock = i->second->GetSocket();
if (Sock)
Sock->WriteLine(":"+std::string(user->uuid)+" PRIVMSG "+cname+" :"+text);
}
}
}
}
else if (target_type == TYPE_SERVER)
{
if (IS_LOCAL(user))
{
char* target = (char*)dest;
parameterlist par;
par.push_back(target);
par.push_back(":"+text);
Utils->DoOneToMany(user->uuid,"PRIVMSG",par);
}
}
}
void ModuleSpanningTree::OnBackgroundTimer(time_t curtime)
{
AutoConnectServers(curtime);
DoPingChecks(curtime);
DoConnectTimeout(curtime);
}
void ModuleSpanningTree::OnUserConnect(LocalUser* user)
{
if (user->quitting)
return;
parameterlist params;
params.push_back(user->uuid);
params.push_back(ConvToStr(user->age));
params.push_back(user->nick);
params.push_back(user->host);
params.push_back(user->dhost);
params.push_back(user->ident);
params.push_back(user->GetIPString());
params.push_back(ConvToStr(user->signon));
params.push_back("+"+std::string(user->FormatModes(true)));
params.push_back(":"+user->fullname);
Utils->DoOneToMany(ServerInstance->Config->GetSID(), "UID", params);
if (IS_OPER(user))
{
params.clear();
params.push_back(user->oper->name);
Utils->DoOneToMany(user->uuid,"OPERTYPE",params);
}
for(Extensible::ExtensibleStore::const_iterator i = user->GetExtList().begin(); i != user->GetExtList().end(); i++)
{
ExtensionItem* item = i->first;
std::string value = item->serialize(FORMAT_NETWORK, user, i->second);
if (!value.empty())
ServerInstance->PI->SendMetaData(user, item->name, value);
}
Utils->TreeRoot->SetUserCount(1); // increment by 1
}
void ModuleSpanningTree::OnUserJoin(Membership* memb, bool sync, bool created, CUList& excepts)
{
// Only do this for local users
if (IS_LOCAL(memb->user))
{
parameterlist params;
// set up their permissions and the channel TS with FJOIN.
// All users are FJOINed now, because a module may specify
// new joining permissions for the user.
params.push_back(memb->chan->name);
params.push_back(ConvToStr(memb->chan->age));
params.push_back(std::string("+") + memb->chan->ChanModes(true));
params.push_back(memb->modes+","+memb->user->uuid);
Utils->DoOneToMany(ServerInstance->Config->GetSID(),"FJOIN",params);
}
}
void ModuleSpanningTree::OnChangeHost(User* user, const std::string &newhost)
{
if (user->registered != REG_ALL || !IS_LOCAL(user))
return;
parameterlist params;
params.push_back(newhost);
Utils->DoOneToMany(user->uuid,"FHOST",params);
}
void ModuleSpanningTree::OnChangeName(User* user, const std::string &gecos)
{
if (user->registered != REG_ALL || !IS_LOCAL(user))
return;
parameterlist params;
params.push_back(":" + gecos);
Utils->DoOneToMany(user->uuid,"FNAME",params);
}
void ModuleSpanningTree::OnChangeIdent(User* user, const std::string &ident)
{
if ((user->registered != REG_ALL) || (!IS_LOCAL(user)))
return;
parameterlist params;
params.push_back(ident);
Utils->DoOneToMany(user->uuid,"FIDENT",params);
}
void ModuleSpanningTree::OnUserPart(Membership* memb, std::string &partmessage, CUList& excepts)
{
if (IS_LOCAL(memb->user))
{
parameterlist params;
params.push_back(memb->chan->name);
if (!partmessage.empty())
params.push_back(":"+partmessage);
Utils->DoOneToMany(memb->user->uuid,"PART",params);
}
}
void ModuleSpanningTree::OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
{
if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
{
parameterlist params;
if (oper_message != reason)
{
params.push_back(":"+oper_message);
Utils->DoOneToMany(user->uuid,"OPERQUIT",params);
}
params.clear();
params.push_back(":"+reason);
Utils->DoOneToMany(user->uuid,"QUIT",params);
}
// Regardless, We need to modify the user Counts..
TreeServer* SourceServer = Utils->FindServer(user->server);
if (SourceServer)
{
SourceServer->SetUserCount(-1); // decrement by 1
}
}
void ModuleSpanningTree::OnUserPostNick(User* user, const std::string &oldnick)
{
if (IS_LOCAL(user))
{
parameterlist params;
params.push_back(user->nick);
/** IMPORTANT: We don't update the TS if the oldnick is just a case change of the newnick!
*/
if ((irc::string(user->nick.c_str()) != assign(oldnick)) && (!this->KeepNickTS))
user->age = ServerInstance->Time();
params.push_back(ConvToStr(user->age));
Utils->DoOneToMany(user->uuid,"NICK",params);
this->KeepNickTS = false;
}
else if (!loopCall && user->nick == user->uuid)
{
parameterlist params;
params.push_back(user->uuid);
params.push_back(ConvToStr(user->age));
Utils->DoOneToMany(ServerInstance->Config->GetSID(),"SAVE",params);
}
}
void ModuleSpanningTree::OnUserKick(User* source, Membership* memb, const std::string &reason, CUList& excepts)
{
parameterlist params;
params.push_back(memb->chan->name);
params.push_back(memb->user->uuid);
params.push_back(":"+reason);
if (IS_LOCAL(source))
{
Utils->DoOneToMany(source->uuid,"KICK",params);
}
else if (source == ServerInstance->FakeClient)
{
Utils->DoOneToMany(ServerInstance->Config->GetSID(),"KICK",params);
}
}
void ModuleSpanningTree::OnRemoteKill(User* source, User* dest, const std::string &reason, const std::string &operreason)
{
if (!IS_LOCAL(source))
return; // Only start routing if we're origin.
ServerInstance->OperQuit.set(dest, operreason);
parameterlist params;
params.push_back(":"+operreason);
Utils->DoOneToMany(dest->uuid,"OPERQUIT",params);
params.clear();
params.push_back(dest->uuid);
params.push_back(":"+reason);
Utils->DoOneToMany(source->uuid,"KILL",params);
}
void ModuleSpanningTree::OnPreRehash(User* user, const std::string ¶meter)
{
if (loopCall)
return; // Don't generate a REHASH here if we're in the middle of processing a message that generated this one
ServerInstance->Logs->Log("remoterehash", DEBUG, "called with param %s", parameter.c_str());
// Send out to other servers
if (!parameter.empty() && parameter[0] != '-')
{
parameterlist params;
params.push_back(parameter);
Utils->DoOneToAllButSender(user ? user->uuid : ServerInstance->Config->GetSID(), "REHASH", params, user ? user->server : ServerInstance->Config->ServerName);
}
}
void ModuleSpanningTree::OnRehash(User* user)
{
// 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 (user && !IS_LOCAL(user))
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(NULL, "modules", data);
}
void ModuleSpanningTree::OnUnloadModule(Module* mod)
{
ServerInstance->PI->SendMetaData(NULL, "modules", "-" + mod->ModuleSourceFile);
restart:
unsigned int items = Utils->TreeRoot->ChildCount();
for(unsigned int x = 0; x < items; x++)
{
TreeServer* srv = Utils->TreeRoot->GetChild(x);
TreeSocket* sock = srv->GetSocket();
if (sock && sock->GetIOHook() == mod)
{
sock->SendError("SSL module unloaded");
sock->Close();
// XXX: The list we're iterating is modified by TreeSocket::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->GetIOHook() == mod)
sock->Close();
}
}
// note: the protocol does not allow direct umode +o except
// via NICK with 8 params. sending OPERTYPE infers +o modechange
// locally.
void ModuleSpanningTree::OnOper(User* user, const std::string &opertype)
{
if (user->registered != REG_ALL || !IS_LOCAL(user))
return;
parameterlist params;
params.push_back(opertype);
Utils->DoOneToMany(user->uuid,"OPERTYPE",params);
}
void ModuleSpanningTree::OnAddLine(User* user, XLine *x)
{
if (!x->IsBurstable() || loopCall)
return;
parameterlist params;
params.push_back(x->type);
params.push_back(x->Displayable());
params.push_back(ServerInstance->Config->ServerName);
params.push_back(ConvToStr(x->set_time));
params.push_back(ConvToStr(x->duration));
params.push_back(":" + x->reason);
if (!user)
{
/* Server-set lines */
Utils->DoOneToMany(ServerInstance->Config->GetSID(), "ADDLINE", params);
}
else if (IS_LOCAL(user))
{
/* User-set lines */
Utils->DoOneToMany(user->uuid, "ADDLINE", params);
}
}
void ModuleSpanningTree::OnDelLine(User* user, XLine *x)
{
if (!x->IsBurstable() || loopCall)
return;
parameterlist params;
params.push_back(x->type);
params.push_back(x->Displayable());
if (!user)
{
/* Server-unset lines */
Utils->DoOneToMany(ServerInstance->Config->GetSID(), "DELLINE", params);
}
else if (IS_LOCAL(user))
{
/* User-unset lines */
Utils->DoOneToMany(user->uuid, "DELLINE", params);
}
}
void ModuleSpanningTree::OnMode(User* user, void* dest, int target_type, const parameterlist &text, const std::vector<TranslateType> &translate)
{
if ((IS_LOCAL(user)) && (user->registered == REG_ALL))
{
parameterlist params;
std::string output_text;
ServerInstance->Parser->TranslateUIDs(translate, text, output_text);
if (target_type == TYPE_USER)
{
User* u = (User*)dest;
params.push_back(u->uuid);
params.push_back(output_text);
Utils->DoOneToMany(user->uuid, "MODE", params);
}
else
{
Channel* c = (Channel*)dest;
params.push_back(c->name);
params.push_back(ConvToStr(c->age));
params.push_back(output_text);
Utils->DoOneToMany(user->uuid, "FMODE", params);
}
}
}
ModResult ModuleSpanningTree::OnSetAway(User* user, const std::string &awaymsg)
{
if (IS_LOCAL(user))
{
parameterlist params;
if (!awaymsg.empty())
{
params.push_back(ConvToStr(ServerInstance->Time()));
params.push_back(":" + awaymsg);
}
Utils->DoOneToMany(user->uuid, "AWAY", params);
}
return MOD_RES_PASSTHRU;
}
void ModuleSpanningTree::OnRequest(Request& request)
{
if (!strcmp(request.id, "rehash"))
Utils->Rehash();
}
void ModuleSpanningTree::ProtoSendMode(void* opaque, TargetTypeFlags target_type, void* target, const parameterlist &modeline, const std::vector<TranslateType> &translate)
{
TreeSocket* s = (TreeSocket*)opaque;
std::string output_text;
ServerInstance->Parser->TranslateUIDs(translate, modeline, output_text);
if (target)
{
if (target_type == TYPE_USER)
{
User* u = (User*)target;
s->WriteLine(":"+ServerInstance->Config->GetSID()+" MODE "+u->uuid+" "+output_text);
}
else if (target_type == TYPE_CHANNEL)
{
Channel* c = (Channel*)target;
s->WriteLine(":"+ServerInstance->Config->GetSID()+" FMODE "+c->name+" "+ConvToStr(c->age)+" "+output_text);
}
}
}
void ModuleSpanningTree::ProtoSendMetaData(void* opaque, Extensible* target, const std::string &extname, const std::string &extdata)
{
TreeSocket* s = static_cast<TreeSocket*>(opaque);
User* u = dynamic_cast<User*>(target);
Channel* c = dynamic_cast<Channel*>(target);
if (u)
s->WriteLine(":"+ServerInstance->Config->GetSID()+" METADATA "+u->uuid+" "+extname+" :"+extdata);
else if (c)
s->WriteLine(":"+ServerInstance->Config->GetSID()+" METADATA "+c->name+" "+extname+" :"+extdata);
else if (!target)
s->WriteLine(":"+ServerInstance->Config->GetSID()+" METADATA * "+extname+" :"+extdata);
}
CullResult ModuleSpanningTree::cull()
{
Utils->cull();
ServerInstance->Timers->DelTimer(RefreshTimer);
return this->Module::cull();
}
ModuleSpanningTree::~ModuleSpanningTree()
{
delete ServerInstance->PI;
ServerInstance->PI = new ProtocolInterface;
/* This will also free the listeners */
delete Utils;
delete commands;
}
Version ModuleSpanningTree::GetVersion()
{
return Version("Allows servers to be linked", 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 return 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);
}
MODULE_INIT(ModuleSpanningTree)
