]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_spanningtree/treesocket2.cpp
fixed some indentation and spacing in modules
[user/henk/code/inspircd.git] / src / modules / m_spanningtree / treesocket2.cpp
index beee39a56a49f6ce2065845990028b4ed652ca06..5a6a9f301e731d67867dfcfc53b90209c8f2e4fd 100644 (file)
 
 /* $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);
 }
 
 
@@ -50,210 +48,6 @@ bool TreeSocket::Error(std::deque<std::string> &params)
        return false;
 }
 
-bool TreeSocket::RemoteServer(const std::string &prefix, std::deque<std::string> &params)
-{
-       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> &params)
-{
-       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> &params)
-{
-       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();
@@ -277,25 +71,25 @@ bool TreeSocket::ProcessLine(std::string &line)
        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();
 
@@ -364,11 +158,10 @@ bool TreeSocket::ProcessLine(std::string &line)
                        }
                        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));
@@ -379,13 +172,6 @@ bool TreeSocket::ProcessLine(std::string &line)
                                        {
                                                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);
@@ -480,14 +266,14 @@ bool TreeSocket::ProcessLine(std::string &line)
                                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
@@ -508,6 +294,9 @@ bool TreeSocket::ProcessLine(std::string &line)
                         * 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)
@@ -515,29 +304,17 @@ bool TreeSocket::ProcessLine(std::string &line)
                                        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);
 
@@ -559,6 +336,10 @@ bool TreeSocket::ProcessLine(std::string &line)
                        {
                                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);
@@ -580,6 +361,15 @@ bool TreeSocket::ProcessLine(std::string &line)
                        {
                                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);
@@ -600,10 +390,6 @@ bool TreeSocket::ProcessLine(std::string &line)
                        {
                                return this->ForceTopic(prefix,params);
                        }
-                       else if (command == "REHASH")
-                       {
-                               return this->RemoteRehash(prefix,params);
-                       }
                        else if (command == "METADATA")
                        {
                                return this->MetaData(prefix,params);
@@ -652,10 +438,6 @@ bool TreeSocket::ProcessLine(std::string &line)
                        {
                                return this->Push(prefix,params);
                        }
-                       else if (command == "TIMESET")
-                       {
-                               return this->HandleSetTime(prefix, params);
-                       }
                        else if (command == "TIME")
                        {
                                return this->Time(prefix,params);
@@ -664,11 +446,12 @@ bool TreeSocket::ProcessLine(std::string &line)
                        {
                                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;
                                        }
@@ -692,17 +475,12 @@ bool TreeSocket::ProcessLine(std::string &line)
                                }
                                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);
                        }
@@ -710,19 +488,20 @@ bool TreeSocket::ProcessLine(std::string &line)
                        {
                                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);
                        }
@@ -730,23 +509,35 @@ bool TreeSocket::ProcessLine(std::string &line)
                        {
                                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);
                        }
@@ -796,29 +587,27 @@ bool TreeSocket::ProcessLine(std::string &line)
                                                }
                                        }
                                }
-                                       
+
                                // 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;
                                }
 
@@ -875,7 +664,7 @@ void TreeSocket::OnClose()
        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());
        }
@@ -883,18 +672,19 @@ void TreeSocket::OnClose()
 
 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)
                {