/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */
-static std::map<std::string, std::string> warned; /* Server names that have had protocol violation warnings displayed for them */
-
-int TreeSocket::WriteLine(std::string line)
+void TreeSocket::WriteLine(std::string line)
{
- Instance->Log(DEBUG, "S[%d] O %s", this->GetFd(), line.c_str());
+ Instance->Logs->Log("m_spanningtree",DEBUG, "S[%d] O %s", this->GetFd(), line.c_str());
line.append("\r\n");
- return this->Write(line);
+ this->Write(line);
}
return false;
}
-bool TreeSocket::RemoteServer(const std::string &prefix, std::deque<std::string> ¶ms)
-{
- if (params.size() < 5)
- {
- SendError("Protocol error - Missing SID");
- return false;
- }
-
- std::string servername = params[0];
- std::string password = params[1];
- // hopcount is not used for a remote server, we calculate this ourselves
- std::string sid = params[3];
- std::string description = params[4];
- TreeServer* ParentOfThis = Utils->FindServer(prefix);
- if (!ParentOfThis)
- {
- this->SendError("Protocol error - Introduced remote server from unknown server "+prefix);
- return false;
- }
- if (!this->Instance->IsSID(sid))
- {
- this->SendError("Invalid format server ID: "+sid+"!");
- return false;
- }
- TreeServer* CheckDupe = Utils->FindServer(servername);
- if (CheckDupe)
- {
- this->SendError("Server "+servername+" already exists!");
- this->Instance->SNO->WriteToSnoMask('l',"Server \2"+servername+"\2 being introduced from \2" + prefix + "\2 denied, already exists. Closing link with " + prefix);
- return false;
- }
-
- Link* lnk = Utils->FindLink(servername);
-
- TreeServer *Node = new TreeServer(this->Utils, this->Instance, servername, description, sid, ParentOfThis,NULL, lnk ? lnk->Hidden : false);
-
- if (Node->DuplicateID())
- {
- this->SendError("Server ID "+sid+" already exists on the network!");
- this->Instance->SNO->WriteToSnoMask('l',"Server \2"+servername+"\2 being introduced from \2" + prefix + "\2 denied, server ID already exists on the network. Closing link with " + prefix);
- return false;
- }
-
- ParentOfThis->AddChild(Node);
- params[4] = ":" + params[4];
- Utils->DoOneToAllButSender(prefix,"SERVER",params,prefix);
- this->Instance->SNO->WriteToSnoMask('l',"Server \002"+prefix+"\002 introduced server \002"+servername+"\002 ("+description+")");
- return true;
-}
-
-bool TreeSocket::Outbound_Reply_Server(std::deque<std::string> ¶ms)
-{
- if (params.size() < 5)
- {
- SendError("Protocol error - Missing SID");
- return false;
- }
-
- irc::string servername = params[0].c_str();
- std::string sname = params[0];
- std::string password = params[1];
- std::string sid = params[3];
- std::string description = params[4];
- int hops = atoi(params[2].c_str());
-
- this->InboundServerName = sname;
- this->InboundDescription = description;
- this->InboundSID = sid;
-
- if (!sentcapab)
- this->SendCapabilities();
-
- if (hops)
- {
- this->SendError("Server too far away for authentication");
- this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, server is too far away for authentication");
- return false;
- }
-
- if (!this->Instance->IsSID(sid))
- {
- this->SendError("Invalid format server ID: "+sid+"!");
- return false;
- }
-
- for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
- {
- if ((x->Name == servername) && ((ComparePass(this->MakePass(x->RecvPass,this->GetOurChallenge()),password)) || (x->RecvPass == password && (this->GetTheirChallenge().empty()))))
- {
- TreeServer* CheckDupe = Utils->FindServer(sname);
- if (CheckDupe)
- {
- this->SendError("Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
- this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
- return false;
- }
- // Begin the sync here. this kickstarts the
- // other side, waiting in WAIT_AUTH_2 state,
- // into starting their burst, as it shows
- // that we're happy.
- this->LinkState = CONNECTED;
- // we should add the details of this server now
- // to the servers tree, as a child of the root
- // node.
-
- TreeServer *Node = new TreeServer(this->Utils, this->Instance, sname, description, sid, Utils->TreeRoot, this, x->Hidden);
-
- if (Node->DuplicateID())
- {
- this->SendError("Server ID "+sid+" already exists on the network!");
- this->Instance->SNO->WriteToSnoMask('l',"Server \2"+assign(servername)+"\2 being introduced denied, server ID already exists on the network. Closing link.");
- return false;
- }
-
- Utils->TreeRoot->AddChild(Node);
- params[4] = ":" + params[4];
- Utils->DoOneToAllButSender(Instance->Config->GetSID(),"SERVER",params,sname);
- Node->bursting = true;
- this->DoBurst(Node);
- return true;
- }
- }
- this->SendError("Invalid credentials");
- this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, invalid link credentials");
- return false;
-}
-
-bool TreeSocket::Inbound_Server(std::deque<std::string> ¶ms)
-{
- if (params.size() < 5)
- {
- SendError("Protocol error - Missing SID");
- return false;
- }
-
- irc::string servername = params[0].c_str();
- std::string sname = params[0];
- std::string password = params[1];
- std::string sid = params[3];
- std::string description = params[4];
- int hops = atoi(params[2].c_str());
-
- this->InboundServerName = sname;
- this->InboundDescription = description;
- this->InboundSID = sid;
-
- if (!sentcapab)
- this->SendCapabilities();
-
- if (hops)
- {
- this->SendError("Server too far away for authentication");
- this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, server is too far away for authentication");
- return false;
- }
-
- if (!this->Instance->IsSID(sid))
- {
- this->SendError("Invalid format server ID: "+sid+"!");
- return false;
- }
-
- for (std::vector<Link>::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++)
- {
- if ((x->Name == servername) && ((ComparePass(this->MakePass(x->RecvPass,this->GetOurChallenge()),password) || x->RecvPass == password && (this->GetTheirChallenge().empty()))))
- {
- /* Check for fully initialized instances of the server by id */
- Instance->Log(DEBUG,"Looking for dupe SID %s", sid.c_str());
- TreeServer* CheckDupeSID = Utils->FindServerID(sid);
- if (CheckDupeSID)
- {
- this->SendError("Server ID "+CheckDupeSID->GetID()+" already exists on server "+CheckDupeSID->GetName()+"!");
- this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, server ID '"+CheckDupeSID->GetID()+
- "' already exists on server "+CheckDupeSID->GetName());
- return false;
- }
- /* Now check for fully initialized instances of the server by name */
- TreeServer* CheckDupe = Utils->FindServer(sname);
- if (CheckDupe)
- {
- this->SendError("Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!");
- this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName());
- return false;
- }
- this->Instance->SNO->WriteToSnoMask('l',"Verified incoming server connection from \002"+sname+"\002["+(x->HiddenFromStats ? "<hidden>" : this->GetIP())+"] ("+description+")");
- if (this->Hook)
- {
- std::string name = BufferedSocketNameRequest((Module*)Utils->Creator, this->Hook).Send();
- this->Instance->SNO->WriteToSnoMask('l',"Connection from \2"+sname+"\2["+(x->HiddenFromStats ? "<hidden>" : this->GetIP())+"] using transport \2"+name+"\2");
- }
-
- // this is good. Send our details: Our server name and description and hopcount of 0,
- // along with the sendpass from this block.
- this->WriteLine(std::string("SERVER ")+this->Instance->Config->ServerName+" "+this->MakePass(x->SendPass, this->GetTheirChallenge())+" 0 "+Instance->Config->GetSID()+" :"+this->Instance->Config->ServerDesc);
- // move to the next state, we are now waiting for THEM.
- this->LinkState = WAIT_AUTH_2;
- return true;
- }
- }
- this->SendError("Invalid credentials");
- this->Instance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, invalid link credentials");
- return false;
-}
-
void TreeSocket::Split(const std::string &line, std::deque<std::string> &n)
{
n.clear();
if (line.empty())
return true;
- Instance->Log(DEBUG, "S[%d] I %s", this->GetFd(), line.c_str());
+ Instance->Logs->Log("m_spanningtree",DEBUG, "S[%d] I %s", this->GetFd(), line.c_str());
this->Split(line.c_str(),params);
-
+
if (params.empty())
return true;
-
+
if ((params[0][0] == ':') && (params.size() > 1))
{
prefix = params[0].substr(1);
params.pop_front();
-
+
if (prefix.empty())
{
this->SendError("BUG (?) Empty prefix recieved.");
return false;
}
}
-
+
command = params[0].c_str();
params.pop_front();
}
else if (command == "BURST")
{
- if (params.size() && Utils->EnableTimeSync)
+ if (params.size())
{
- bool we_have_delta = (Instance->Time(false) != Instance->Time(true));
time_t them = atoi(params[0].c_str());
- time_t delta = them - Instance->Time(false);
+ time_t delta = them - Instance->Time();
if ((delta < -600) || (delta > 600))
{
Instance->SNO->WriteToSnoMask('l',"\2ERROR\2: Your clocks are out by %d seconds (this is more than five minutes). Link aborted, \2PLEASE SYNC YOUR CLOCKS!\2",abs(delta));
{
Instance->SNO->WriteToSnoMask('l',"\2WARNING\2: Your clocks are out by %d seconds. Please consider synching your clocks.", abs(delta));
}
-
- if (!Utils->MasterTime && !we_have_delta)
- {
- this->Instance->SetTimeDelta(delta);
- // Send this new timestamp to any other servers
- Utils->DoOneToMany(Instance->Config->GetSID(), "TIMESET", params);
- }
}
this->LinkState = CONNECTED;
Link* lnk = Utils->FindLink(InboundServerName);
if ((!route_back_again) || (route_back_again->GetSocket() != this))
{
if (route_back_again)
- Instance->Log(DEBUG,"Protocol violation: Fake direction in command '%s' from connection '%s'",line.c_str(),this->GetName().c_str());
+ Instance->Logs->Log("m_spanningtree",DEBUG,"Protocol violation: Fake direction in command '%s' from connection '%s'",line.c_str(),this->GetName().c_str());
return true;
}
/* Fix by brain:
* When there is activity on the socket, reset the ping counter so
* that we're not wasting bandwidth pinging an active server.
*/
- route_back_again->SetNextPingTime(time(NULL) + Utils->PingFreq);
+ route_back_again->SetNextPingTime(Instance->Time() + Utils->PingFreq);
route_back_again->SetPingFlag();
}
else
* First up, check for any malformed commands (e.g. MODE without a timestamp)
* and rewrite commands where necessary (SVSMODE -> MODE for services). -- w
*/
+ if (command == "SVSMODE") // This isn't in an "else if" so we still force FMODE for changes on channels.
+ command = "MODE";
+
if (command == "MODE")
{
if (params.size() >= 2)
Channel* channel = Instance->FindChan(params[0]);
if (channel)
{
- User* x = Instance->FindNick(prefix);
- if (x)
- {
- if (warned.find(x->server) == warned.end())
- {
- Instance->Log(DEFAULT,"WARNING: I revceived modes '%s' from another server '%s'. This is not compliant with InspIRCd. Please check that server for bugs.", params[1].c_str(), x->server);
- Instance->SNO->WriteToSnoMask('d', "WARNING: The server %s is sending nonstandard modes: '%s MODE %s' where FMODE should be used, and may cause desyncs.", x->server, x->nick, params[1].c_str());
- warned[x->server] = x->nick;
- }
- }
+ this->SendError("MODE may no longer be used on channels. Please use FMODE, with correct timestamp rules.");
+ return false;
}
}
}
- else if (command == "SVSMODE")
- {
- command = "MODE";
- }
/*
* Now, check for (and parse) commands as appropriate. -- w
- */
-
+ */
+
/* Find the server that this command originated from, used in the handlers below */
TreeServer *ServerSource = Utils->FindServer(prefix);
{
return this->ForceJoin(prefix,params);
}
+ else if ((command == "NOTICE" || command == "PRIVMSG") && (Utils->IsServer(prefix)))
+ {
+ return this->ServerMessage(assign(command), prefix, params, sourceserv);
+ }
else if (command == "STATS")
{
return this->Stats(prefix, params);
{
return this->Admin(prefix, params);
}
+ else if (command == "MAP")
+ {
+ User* user = Instance->FindNick(prefix);
+ if (user)
+ {
+ std::vector<std::string> p(params.begin(), params.end());
+ return Utils->Creator->HandleMap(p, user);
+ }
+ }
else if (command == "SERVER")
{
return this->RemoteServer(prefix,params);
{
return this->ForceTopic(prefix,params);
}
- else if (command == "REHASH")
- {
- return this->RemoteRehash(prefix,params);
- }
else if (command == "METADATA")
{
return this->MetaData(prefix,params);
{
return this->Push(prefix,params);
}
- else if (command == "TIMESET")
- {
- return this->HandleSetTime(prefix, params);
- }
else if (command == "TIME")
{
return this->Time(prefix,params);
{
if (params.size() == 3)
{
+ TreeServer* pf = Utils->FindServer(prefix);
User* user = this->Instance->FindNick(params[1]);
Channel* chan = this->Instance->FindChan(params[0]);
- if (user && chan)
+ if (pf && user && chan)
{
- if (!chan->ServerKickUser(user, params[2].c_str(), false))
+ if (!chan->ServerKickUser(user, params[2].c_str(), false, pf->GetName().c_str()))
/* Yikes, the channels gone! */
delete chan;
}
}
return true;
}
- else if (command == "OPERNOTICE")
- {
- if (params.size() >= 1)
- Instance->SNO->WriteToSnoMask('A', "From " + prefix + ": " + params[0]);
- return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
- }
else if (command == "MODENOTICE")
{
if (params.size() >= 2)
{
- Instance->Users->WriteMode(params[0].c_str(), WM_AND, "*** From %s: %s", prefix.c_str(), params[1].c_str());
+ if (ServerSource)
+ Instance->Users->WriteMode(params[0].c_str(), WM_AND, "*** From %s: %s", (ServerSource ? ServerSource->GetName().c_str() : prefix.c_str()), params[1].c_str());
}
return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
}
{
if (params.size() >= 2)
{
- Instance->SNO->WriteToSnoMask(*(params[0].c_str()), "From " + prefix + ": "+ params[1]);
+ Instance->SNO->WriteToSnoMask(*(params[0].c_str()), "From " + (ServerSource ? ServerSource->GetName().c_str() : prefix) + ": "+ params[1]);
+ return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
}
- return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
+
}
else if (command == "BURST")
{
// Set prefix server as bursting
if (!ServerSource)
{
- this->Instance->SNO->WriteToSnoMask('l', "WTF: Got BURST from a nonexistant server(?): %s", prefix.c_str());
+ this->Instance->SNO->WriteToSnoMask('l', "WTF: Got BURST from a nonexistant server(?): %s", (ServerSource ? ServerSource->GetName().c_str() : prefix.c_str()));
return false;
}
-
+
ServerSource->bursting = true;
return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
}
{
if (!ServerSource)
{
- this->Instance->SNO->WriteToSnoMask('l', "WTF: Got ENDBURST from a nonexistant server(?): %s", prefix.c_str());
+ this->Instance->SNO->WriteToSnoMask('l', "WTF: Got ENDBURST from a nonexistant server(?): %s", (ServerSource ? ServerSource->GetName().c_str() : prefix.c_str()));
return false;
}
-
+
ServerSource->FinishBurst();
return Utils->DoOneToAllButSenderRaw(line, sourceserv, prefix, command, params);
}
+ else if (command == "ENCAP")
+ {
+ return this->Encap(prefix, params);
+ }
else if (command == "MODE")
{
// Server-prefix MODE.
- const char* modelist[MAXPARAMETERS];
- for (size_t i = 0; i < params.size(); i++)
- modelist[i] = params[i].c_str();
-
+ std::vector<std::string> modelist(params.begin(), params.end());
+
+ /* We don't support this for channel mode changes any more! */
+ if (params.size() >= 1)
+ {
+ if (Instance->FindChan(params[0]))
+ {
+ this->SendError("Protocol violation by '"+(ServerSource ? ServerSource->GetName().c_str() : prefix)+"'! MODE for channel mode changes is not supported by the InspIRCd 1.2 protocol. You must use FMODE to preserve channel timestamps.");
+ return false;
+ }
+ }
+
// Insert into the parser
- this->Instance->SendMode(modelist, params.size(), this->Instance->FakeClient);
-
+ this->Instance->SendMode(modelist, this->Instance->FakeClient);
+
// Pass out to the network
return Utils->DoOneToAllButSenderRaw(line,sourceserv,prefix,command,params);
}
}
}
}
-
+
// its a user
- const char* strparams[127];
- for (unsigned int q = 0; q < params.size(); q++)
- {
- strparams[q] = params[q].c_str();
- }
+ std::vector<std::string> strparams(params.begin(), params.end());
- switch (this->Instance->CallCommandHandler(command.c_str(), strparams, params.size(), who))
+ switch (this->Instance->CallCommandHandler(command.c_str(), strparams, who))
{
case CMD_INVALID:
- // command is irc::string, hence ugliness
+ /*
+ * XXX: command is irc::string, hence ugliness
+ */
this->SendError("Unrecognised or malformed command '" + std::string(command.c_str()) + "' -- possibly loaded mismatched modules");
return false;
break;
- /*
- * CMD_LOCALONLY is aliased to CMD_FAILURE, so this won't go out onto the network.
- */
case CMD_FAILURE:
+ /*
+ * CMD_LOCALONLY is aliased to CMD_FAILURE, so this won't go out onto the network.
+ */
return true;
break;
default:
- /* CMD_SUCCESS and CMD_USER_DELETED fall through here */
+ /* CMD_SUCCESS falls through here */
break;
}
if (!quitserver.empty())
{
Utils->Creator->RemoteMessage(NULL,"Connection to '\2%s\2' failed.",quitserver.c_str());
- time_t server_uptime = Instance->Time() - this->age;
+ time_t server_uptime = Instance->Time() - this->age;
if (server_uptime)
Utils->Creator->RemoteMessage(NULL,"Connection to '\2%s\2' was established for %s", quitserver.c_str(), Utils->Creator->TimeToStr(server_uptime).c_str());
}
int TreeSocket::OnIncomingConnection(int newsock, char* ip)
{
- /* To prevent anyone from attempting to flood opers/DDoS by connecting to the server port,
- * or discovering if this port is the server port, we don't allow connections from any
- * IPs for which we don't have a link block.
- */
bool found = false;
found = (std::find(Utils->ValidIPs.begin(), Utils->ValidIPs.end(), ip) != Utils->ValidIPs.end());
if (!found)
{
for (std::vector<std::string>::iterator i = Utils->ValidIPs.begin(); i != Utils->ValidIPs.end(); i++)
- if (irc::sockets::MatchCIDR(ip, (*i).c_str()))
+ {
+ if (*i == "*" || irc::sockets::MatchCIDR(ip, *i))
+ {
found = true;
+ break;
+ }
+ }
if (!found)
{