bool TreeSocket::CheckDuplicate(const std::string& sname, const std::string& sid)
{
// Check if the server name is not in use by a server that's already fully connected
TreeServer* CheckDupe = Utils->FindServer(sname);
if (CheckDupe)
{
std::string pname = CheckDupe->GetParent() ? CheckDupe->GetParent()->GetName() : "<ourself>";
SendError("Server "+sname+" already exists on server "+pname+"!");
ServerInstance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists on server "+pname);
return false;
}
// Check if the id is not in use by a server that's already fully connected
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Looking for dupe SID %s", sid.c_str());
CheckDupe = Utils->FindServerID(sid);
if (CheckDupe)
{
this->SendError("Server ID "+CheckDupe->GetID()+" already exists on server "+CheckDupe->GetName()+"! You may want to specify the server ID for the server manually with <server:id> so they do not conflict.");
ServerInstance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, server ID '"+CheckDupe->GetID()+
"' already exists on server "+CheckDupe->GetName());
return false;
}
return true;
}
bool SpanningTreeProtocolInterface::SendEncapsulatedData(const std::string& targetmask, const std::string& cmd, const parameterlist& params, User* source)
{
if (!source)
source = ServerInstance->FakeClient;
CmdBuilder encap(source, "ENCAP");
// Are there any wildcards in the target string?
if (targetmask.find_first_of("*?") != std::string::npos)
{
// Yes, send the target string as-is; servers will decide whether or not it matches them
encap.push(targetmask).push(cmd).insert(params).Broadcast();
}
else
{
// No wildcards which means the target string has to be the name of a known server
TreeServer* server = Utils->FindServer(targetmask);
if (!server)
return false;
// Use the SID of the target in the message instead of the server name
encap.push(server->GetID()).push(cmd).insert(params).Unicast(server->ServerUser);
}
return true;
}
bool TreeSocket::CheckDuplicate(const std::string& sname, const std::string& sid)
{
/* Check for fully initialized instances of the server by name */
TreeServer* CheckDupe = Utils->FindServer(sname);
if (CheckDupe)
{
std::string pname = CheckDupe->GetParent() ? CheckDupe->GetParent()->GetName() : "<ourself>";
SendError("Server "+sname+" already exists on server "+pname+"!");
ServerInstance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists on server "+pname);
return false;
}
/* Check for fully initialized instances of the server by id */
ServerInstance->Logs->Log("m_spanningtree",DEBUG,"Looking for dupe SID %s", sid.c_str());
CheckDupe = Utils->FindServerID(sid);
if (CheckDupe)
{
this->SendError("Server ID "+CheckDupe->GetID()+" already exists on server "+CheckDupe->GetName()+"! You may want to specify the server ID for the server manually with <server:id> so they do not conflict.");
ServerInstance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, server ID '"+CheckDupe->GetID()+
"' already exists on server "+CheckDupe->GetName());
return false;
}
return true;
}
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;
// Skip myself
if (s->IsRoot())
continue;
// Do not ping servers that are not fully connected yet!
// Servers which are connected to us have IsLocal() == true and if they're fully connected
// then Socket->LinkState == CONNECTED. Servers that are linked to another server are always fully connected.
if (s->IsLocal() && s->GetSocket()->GetLinkState() != CONNECTED)
continue;
// Now do PING checks on all servers
// 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);
s->GetSocket()->WriteLine(CmdBuilder("PING").push(s->GetID()));
s->LastPingMsec = ts;
}
else
{
// They didn't answer the last ping, if they are locally connected, get rid of them.
if (s->IsLocal())
{
TreeSocket* sock = s->GetSocket();
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 */
ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", s->GetName().c_str(), Utils->PingWarnTime);
s->Warned = true;
}
}
}
/** send all users and their oper state/modes */
void TreeSocket::SendUsers()
{
char data[MAXBUF];
std::string dataline;
for (user_hash::iterator u = ServerInstance->Users->clientlist->begin(); u != ServerInstance->Users->clientlist->end(); u++)
{
if (u->second->registered == REG_ALL)
{
TreeServer* theirserver = Utils->FindServer(u->second->server);
if (theirserver)
{
snprintf(data,MAXBUF,":%s UID %s %lu %s %s %s %s %s %lu +%s :%s",
theirserver->GetID().c_str(), /* Prefix: SID */
u->second->uuid.c_str(), /* 0: UUID */
(unsigned long)u->second->age, /* 1: TS */
u->second->nick.c_str(), /* 2: Nick */
u->second->host.c_str(), /* 3: Displayed Host */
u->second->dhost.c_str(), /* 4: Real host */
u->second->ident.c_str(), /* 5: Ident */
u->second->GetIPString().c_str(), /* 6: IP string */
(unsigned long)u->second->signon, /* 7: Signon time for WHOWAS */
u->second->FormatModes(true), /* 8...n: Modes and params */
u->second->fullname.c_str()); /* size-1: GECOS */
this->WriteLine(data);
if (u->second->IsOper())
{
snprintf(data,MAXBUF,":%s OPERTYPE %s", u->second->uuid.c_str(), u->second->oper->name.c_str());
this->WriteLine(data);
}
if (u->second->IsAway())
{
snprintf(data,MAXBUF,":%s AWAY %ld :%s", u->second->uuid.c_str(), (long)u->second->awaytime, u->second->awaymsg.c_str());
this->WriteLine(data);
}
}
for(Extensible::ExtensibleStore::const_iterator i = u->second->GetExtList().begin(); i != u->second->GetExtList().end(); i++)
{
ExtensionItem* item = i->first;
std::string value = item->serialize(FORMAT_NETWORK, u->second, i->second);
if (!value.empty())
Utils->Creator->ProtoSendMetaData(this, u->second, item->name, value);
}
FOREACH_MOD(I_OnSyncUser,OnSyncUser(u->second,Utils->Creator,this));
}
}
}
/** send all users and their oper state/modes */
void TreeSocket::SendUsers(TreeServer* Current)
{
char data[MAXBUF];
std::deque<std::string> list;
std::string dataline;
for (user_hash::iterator u = this->ServerInstance->Users->clientlist->begin(); u != this->ServerInstance->Users->clientlist->end(); u++)
{
if (u->second->registered == REG_ALL)
{
TreeServer* theirserver = Utils->FindServer(u->second->server);
if (theirserver)
{
snprintf(data,MAXBUF,":%s UID %s %lu %s %s %s %s %s %lu +%s :%s",
theirserver->GetID().c_str(), /* Prefix: SID */
u->second->uuid.c_str(), /* 0: UUID */
(unsigned long)u->second->age, /* 1: TS */
u->second->nick.c_str(), /* 2: Nick */
u->second->host.c_str(), /* 3: Displayed Host */
u->second->dhost.c_str(), /* 4: Real host */
u->second->ident.c_str(), /* 5: Ident */
u->second->GetIPString(), /* 6: IP string */
(unsigned long)u->second->signon, /* 7: Signon time for WHOWAS */
u->second->FormatModes(true), /* 8...n: Modes and params */
u->second->fullname.c_str()); /* size-1: GECOS */
this->WriteLine(data);
if (IS_OPER(u->second))
{
snprintf(data,MAXBUF,":%s OPERTYPE %s", u->second->uuid.c_str(), u->second->oper.c_str());
this->WriteLine(data);
}
if (IS_AWAY(u->second))
{
snprintf(data,MAXBUF,":%s AWAY :%s", u->second->uuid.c_str(), u->second->awaymsg.c_str());
this->WriteLine(data);
}
}
FOREACH_MOD_I(this->ServerInstance,I_OnSyncUser,OnSyncUser(u->second,(Module*)Utils->Creator,(void*)this));
list.clear();
u->second->GetExtList(list);
for (unsigned int j = 0; j < list.size(); j++)
{
FOREACH_MOD_I(this->ServerInstance,I_OnSyncUserMetaData,OnSyncUserMetaData(u->second,(Module*)Utils->Creator,(void*)this,list[j]));
}
}
}
}
bool TreeSocket::PreProcessOldProtocolMessage(User*& who, std::string& cmd, std::vector<std::string>& params)
{
if ((cmd == "METADATA") && (params.size() >= 3))
{
// :20D METADATA #channel extname :extdata
return InsertCurrentChannelTS(params);
}
else if ((cmd == "FTOPIC") && (params.size() >= 4))
{
// :20D FTOPIC #channel 100 Attila :topic text
return InsertCurrentChannelTS(params);
}
else if ((cmd == "PING") || (cmd == "PONG"))
{
if (params.size() == 1)
{
// If it's a PING with 1 parameter, reply with a PONG now, if it's a PONG with 1 parameter (weird), do nothing
if (cmd[1] == 'I')
this->WriteData(":" + ServerInstance->Config->GetSID() + " PONG " + params[0] + newline);
// Don't process this message further
return false;
}
// :20D PING 20D 22D
// :20D PONG 20D 22D
// Drop the first parameter
params.erase(params.begin());
// If the target is a server name, translate it to a SID
if (!InspIRCd::IsSID(params[0]))
{
TreeServer* server = Utils->FindServer(params[0]);
if (!server)
{
// We've no idea what this is, log and stop processing
ServerInstance->Logs->Log("m_spanningtree", LOG_DEFAULT, "Received a " + cmd + " with an unknown target: \"" + params[0] + "\", command dropped");
return false;
}
params[0] = server->GetID();
}
}
return true; // Passthru
}
void SpanningTreeUtilities::RouteCommand(TreeServer* origin, CommandBase* thiscmd, const parameterlist& parameters, User* user)
{
const std::string& command = thiscmd->name;
RouteDescriptor routing = thiscmd->GetRouting(user, parameters);
if (routing.type == ROUTE_TYPE_LOCALONLY)
return;
const bool encap = ((routing.type == ROUTE_TYPE_OPT_BCAST) || (routing.type == ROUTE_TYPE_OPT_UCAST));
CmdBuilder params(user, encap ? "ENCAP" : command.c_str());
if (routing.type == ROUTE_TYPE_OPT_BCAST)
{
params.push('*');
params.push_back(command);
}
else if (routing.type == ROUTE_TYPE_OPT_UCAST)
{
TreeServer* sdest = FindServer(routing.serverdest);
if (!sdest)
{
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Trying to route ENCAP to nonexistant server %s",
routing.serverdest.c_str());
return;
}
params.push_back(sdest->GetID());
params.push_back(command);
}
else
{
Module* srcmodule = thiscmd->creator;
Version ver = srcmodule->GetVersion();
if (!(ver.Flags & (VF_COMMON | VF_CORE)) && srcmodule != Creator)
{
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Routed command %s from non-VF_COMMON module %s",
command.c_str(), srcmodule->ModuleSourceFile.c_str());
return;
}
}
std::string output_text = CommandParser::TranslateUIDs(thiscmd->translation, parameters, true, thiscmd);
params.push_back(output_text);
if (routing.type == ROUTE_TYPE_MESSAGE)
{
char pfx = 0;
std::string dest = routing.serverdest;
if (ServerInstance->Modes->FindPrefix(dest[0]))
{
pfx = dest[0];
dest = dest.substr(1);
}
if (dest[0] == '#')
{
Channel* c = ServerInstance->FindChan(dest);
if (!c)
return;
// TODO OnBuildExemptList hook was here
CUList exempts;
SendChannelMessage(user->uuid, c, parameters[1], pfx, exempts, command.c_str(), origin ? origin->GetSocket() : NULL);
}
else if (dest[0] == '$')
{
params.Forward(origin);
}
else
{
// user target?
User* d = ServerInstance->FindNick(dest);
if (!d)
return;
TreeServer* tsd = BestRouteTo(d->server);
if (tsd == origin)
// huh? no routing stuff around in a circle, please.
return;
params.Unicast(d);
}
}
else if (routing.type == ROUTE_TYPE_BROADCAST || routing.type == ROUTE_TYPE_OPT_BCAST)
{
params.Forward(origin);
}
else if (routing.type == ROUTE_TYPE_UNICAST || routing.type == ROUTE_TYPE_OPT_UCAST)
{
if (origin && routing.serverdest == origin->GetName())
return;
params.Unicast(routing.serverdest);
}
}
void SpanningTreeUtilities::RouteCommand(TreeServer* origin, Command* thiscmd, const parameterlist& parameters, User* user)
{
const std::string& command = thiscmd->name;
RouteDescriptor routing = thiscmd->GetRouting(user, parameters);
std::string sent_cmd = command;
parameterlist params;
if (routing.type == ROUTE_TYPE_LOCALONLY)
{
return;
}
else if (routing.type == ROUTE_TYPE_OPT_BCAST)
{
params.push_back("*");
params.push_back(command);
sent_cmd = "ENCAP";
}
else if (routing.type == ROUTE_TYPE_OPT_UCAST)
{
TreeServer* sdest = FindServer(routing.serverdest);
if (!sdest)
{
ServerInstance->Logs->Log("m_spanningtree", LOG_DEFAULT, "Trying to route ENCAP to nonexistant server %s",
routing.serverdest.c_str());
return;
}
params.push_back(sdest->GetID());
params.push_back(command);
sent_cmd = "ENCAP";
}
else
{
Module* srcmodule = thiscmd->creator;
Version ver = srcmodule->GetVersion();
if (!(ver.Flags & (VF_COMMON | VF_CORE)) && srcmodule != Creator)
{
ServerInstance->Logs->Log("m_spanningtree", LOG_DEFAULT, "Routed command %s from non-VF_COMMON module %s",
command.c_str(), srcmodule->ModuleSourceFile.c_str());
return;
}
}
std::string output_text = CommandParser::TranslateUIDs(thiscmd->translation, parameters, true, thiscmd);
params.push_back(output_text);
if (routing.type == ROUTE_TYPE_MESSAGE)
{
char pfx = 0;
std::string dest = routing.serverdest;
if (ServerInstance->Modes->FindPrefix(dest[0]))
{
pfx = dest[0];
dest = dest.substr(1);
}
if (dest[0] == '#')
{
Channel* c = ServerInstance->FindChan(dest);
if (!c)
return;
TreeServerList list;
// TODO OnBuildExemptList hook was here
GetListOfServersForChannel(c,list,pfx, CUList());
std::string data = ":" + user->uuid + " " + sent_cmd;
for (unsigned int x = 0; x < params.size(); x++)
data += " " + params[x];
for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
{
TreeSocket* Sock = (*i)->GetSocket();
if (origin && origin->GetSocket() == Sock)
continue;
if (Sock)
Sock->WriteLine(data);
}
}
else if (dest[0] == '$')
{
if (origin)
DoOneToAllButSender(user->uuid, sent_cmd, params, origin->GetName());
else
DoOneToMany(user->uuid, sent_cmd, params);
}
else
{
// user target?
User* d = ServerInstance->FindNick(dest);
if (!d)
return;
TreeServer* tsd = BestRouteTo(d->server);
if (tsd == origin)
// huh? no routing stuff around in a circle, please.
return;
DoOneToOne(user->uuid, sent_cmd, params, d->server);
}
}
else if (routing.type == ROUTE_TYPE_BROADCAST || routing.type == ROUTE_TYPE_OPT_BCAST)
{
if (origin)
DoOneToAllButSender(user->uuid, sent_cmd, params, origin->GetName());
else
DoOneToMany(user->uuid, sent_cmd, params);
}
else if (routing.type == ROUTE_TYPE_UNICAST || routing.type == ROUTE_TYPE_OPT_UCAST)
{
if (origin && routing.serverdest == origin->GetName())
return;
DoOneToOne(user->uuid, sent_cmd, params, routing.serverdest);
}
}
void SpanningTreeUtilities::RouteCommand(TreeServer* origin, CommandBase* thiscmd, const CommandBase::Params& parameters, User* user)
{
const std::string& command = thiscmd->name;
RouteDescriptor routing = thiscmd->GetRouting(user, parameters);
if (routing.type == ROUTE_TYPE_LOCALONLY)
return;
const bool encap = ((routing.type == ROUTE_TYPE_OPT_BCAST) || (routing.type == ROUTE_TYPE_OPT_UCAST));
CmdBuilder params(user, encap ? "ENCAP" : command.c_str());
params.push_tags(parameters.GetTags());
TreeServer* sdest = NULL;
if (routing.type == ROUTE_TYPE_OPT_BCAST)
{
params.push('*');
params.push_back(command);
}
else if (routing.type == ROUTE_TYPE_UNICAST || routing.type == ROUTE_TYPE_OPT_UCAST)
{
sdest = static_cast<TreeServer*>(routing.server);
if (!sdest)
{
// Assume the command handler already validated routing.serverdest and have only returned success if the target is something that the
// user executing the command is allowed to look up e.g. target is not an uuid if user is local.
sdest = FindRouteTarget(routing.serverdest);
if (!sdest)
{
ServerInstance->Logs.Log(MODNAME, LOG_DEFAULT, "Trying to route %s%s to nonexistent server %s", (encap ? "ENCAP " : ""), command.c_str(), routing.serverdest.c_str());
return;
}
}
if (encap)
{
params.push_back(sdest->GetID());
params.push_back(command);
}
}
else
{
Module* srcmodule = thiscmd->creator;
Version ver = srcmodule->GetVersion();
if (!(ver.Flags & (VF_COMMON | VF_CORE)) && srcmodule != Creator)
{
ServerInstance->Logs.Log(MODNAME, LOG_DEFAULT, "Routed command %s from non-VF_COMMON module %s",
command.c_str(), srcmodule->ModuleSourceFile.c_str());
return;
}
}
std::string output_text = CommandParser::TranslateUIDs(thiscmd->translation, parameters, true, thiscmd);
params.push_back(output_text);
if (routing.type == ROUTE_TYPE_MESSAGE)
{
char pfx = 0;
std::string dest = routing.serverdest;
if (ServerInstance->Modes.FindPrefix(dest[0]))
{
pfx = dest[0];
dest.erase(dest.begin());
}
if (dest[0] == '#')
{
Channel* c = ServerInstance->FindChan(dest);
if (!c)
return;
// TODO OnBuildExemptList hook was here
CUList exempts;
std::string message;
if (parameters.size() >= 2)
message.assign(parameters[1]);
SendChannelMessage(user->uuid, c, message, pfx, parameters.GetTags(), exempts, command.c_str(), origin ? origin->GetSocket() : NULL);
}
else if (dest[0] == '$')
{
params.Forward(origin);
}
else
{
// user target?
User* d = ServerInstance->FindNick(dest);
if (!d || IS_LOCAL(d))
return;
TreeServer* tsd = TreeServer::Get(d)->GetRoute();
if (tsd == origin)
// huh? no routing stuff around in a circle, please.
return;
params.Unicast(d);
}
}
else if (routing.type == ROUTE_TYPE_BROADCAST || routing.type == ROUTE_TYPE_OPT_BCAST)
{
params.Forward(origin);
}
else if (routing.type == ROUTE_TYPE_UNICAST || routing.type == ROUTE_TYPE_OPT_UCAST)
{
params.Unicast(sdest->ServerUser);
}
}
bool TreeSocket::PreProcessOldProtocolMessage(User*& who, std::string& cmd, std::vector<std::string>& params)
{
if ((cmd == "METADATA") && (params.size() >= 3) && (params[0][0] == '#'))
{
// :20D METADATA #channel extname :extdata
return InsertCurrentChannelTS(params);
}
else if ((cmd == "FTOPIC") && (params.size() >= 4))
{
// :20D FTOPIC #channel 100 Attila :topic text
return InsertCurrentChannelTS(params);
}
else if ((cmd == "PING") || (cmd == "PONG"))
{
if (params.size() == 1)
{
// If it's a PING with 1 parameter, reply with a PONG now, if it's a PONG with 1 parameter (weird), do nothing
if (cmd[1] == 'I')
this->WriteData(":" + ServerInstance->Config->GetSID() + " PONG " + params[0] + newline);
// Don't process this message further
return false;
}
// :20D PING 20D 22D
// :20D PONG 20D 22D
// Drop the first parameter
params.erase(params.begin());
// If the target is a server name, translate it to a SID
if (!InspIRCd::IsSID(params[0]))
{
TreeServer* server = Utils->FindServer(params[0]);
if (!server)
{
// We've no idea what this is, log and stop processing
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Received a " + cmd + " with an unknown target: \"" + params[0] + "\", command dropped");
return false;
}
params[0] = server->GetID();
}
}
else if ((cmd == "GLINE") || (cmd == "KLINE") || (cmd == "ELINE") || (cmd == "ZLINE") || (cmd == "QLINE"))
{
// Fix undocumented protocol usage: translate GLINE, ZLINE, etc. into ADDLINE or DELLINE
if ((params.size() != 1) && (params.size() != 3))
return false;
parameterlist p;
p.push_back(cmd.substr(0, 1));
p.push_back(params[0]);
if (params.size() == 3)
{
cmd = "ADDLINE";
p.push_back(who->nick);
p.push_back(ConvToStr(ServerInstance->Time()));
p.push_back(ConvToStr(InspIRCd::Duration(params[1])));
p.push_back(params[2]);
}
else
cmd = "DELLINE";
params.swap(p);
}
else if (cmd == "SVSMODE")
{
cmd = "MODE";
}
else if (cmd == "OPERQUIT")
{
// Translate OPERQUIT into METADATA
if (params.empty())
return false;
cmd = "METADATA";
params.insert(params.begin(), who->uuid);
params.insert(params.begin()+1, "operquit");
who = MyRoot->ServerUser;
}
else if ((cmd == "TOPIC") && (params.size() >= 2))
{
// :20DAAAAAC TOPIC #chan :new topic
cmd = "FTOPIC";
if (!InsertCurrentChannelTS(params))
return false;
params.insert(params.begin()+2, ConvToStr(ServerInstance->Time()));
}
else if (cmd == "MODENOTICE")
{
// MODENOTICE is always supported by 2.0 but it's optional in 2.2.
params.insert(params.begin(), "*");
params.insert(params.begin()+1, cmd);
cmd = "ENCAP";
}
else if (cmd == "RULES")
{
return false;
}
else if (cmd == "INVITE")
{
// :20D INVITE 22DAAABBB #chan
// :20D INVITE 22DAAABBB #chan 123456789
// Insert channel timestamp after the channel name; the 3rd parameter, if there, is the invite expiration time
return InsertCurrentChannelTS(params, 1, 2);
}
else if (cmd == "VERSION")
{
// :20D VERSION :InspIRCd-2.0
// change to
// :20D SINFO version :InspIRCd-2.0
cmd = "SINFO";
params.insert(params.begin(), "version");
}
else if (cmd == "JOIN")
{
// 2.0 allows and forwards legacy JOINs but we don't, so translate them to FJOINs before processing
if ((params.size() != 1) || (IS_SERVER(who)))
return false; // Huh?
cmd = "FJOIN";
Channel* chan = ServerInstance->FindChan(params[0]);
params.push_back(ConvToStr(chan ? chan->age : ServerInstance->Time()));
params.push_back("+");
params.push_back(",");
params.back().append(who->uuid);
who = TreeServer::Get(who)->ServerUser;
}
else if ((cmd == "FMODE") && (params.size() >= 2))
{
// Translate user mode changes with timestamp to MODE
if (params[0][0] != '#')
{
User* user = ServerInstance->FindUUID(params[0]);
if (!user)
return false;
// Emulate the old nonsensical behavior
if (user->age < ServerCommand::ExtractTS(params[1]))
return false;
cmd = "MODE";
params.erase(params.begin()+1);
}
}
return true; // Passthru
}
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
*/
timeval t;
gettimeofday(&t, NULL);
long ts = (t.tv_sec * 1000) + (t.tv_usec / 1000);
for (server_hash::iterator i = Utils->serverlist.begin(); i != Utils->serverlist.end(); i++)
{
TreeServer *s = i->second;
// 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(std::string(":") + 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->Squit(s,"Ping timeout");
ServerInstance->SE->DelFd(sock);
sock->Close();
return;
}
}
}
// 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 */
ServerInstance->SNO->WriteToSnoMask('l',"Server \002%s\002 has not responded to PING for %d seconds, high latency.", s->GetName().c_str(), Utils->PingWarnTime);
s->Warned = true;
}
}
}
}