X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_spanningtree%2Fserver.cpp;h=36bd8620af2e1b6b0502e647a6da17e1a9bd2424;hb=67de413cad88194972d55a8ff88464370890c5a9;hp=0256756425f4b815152d34d4ff53bd6c272c90af;hpb=e2af2347fc035d702e45f12e772223a8d578410d;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_spanningtree/server.cpp b/src/modules/m_spanningtree/server.cpp index 025675642..36bd8620a 100644 --- a/src/modules/m_spanningtree/server.cpp +++ b/src/modules/m_spanningtree/server.cpp @@ -1,84 +1,77 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2008 Robin Burchell * - * InspIRCd: (C) 2002-2009 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * 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 free but copyrighted software; see - * the file COPYING for details. + * 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 . */ + #include "inspircd.h" -#include "socket.h" -#include "xline.h" -#include "../transport.h" -#include "socketengine.h" #include "main.h" #include "utils.h" #include "link.h" #include "treeserver.h" #include "treesocket.h" - -/* $ModDep: m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/treesocket.h m_spanningtree/link.h */ +#include "commands.h" /* * Some server somewhere in the network introducing another server. * -- w */ -bool TreeSocket::RemoteServer(const std::string &prefix, parameterlist ¶ms) +CmdResult CommandServer::Handle(User* user, std::vector& params) { - if (params.size() < 5) - { - SendError("Protocol error - Not enough parameters for SERVER command"); - return false; - } - std::string servername = params[0]; // password is not used for a remote server // hopcount is not used (ever) std::string sid = params[3]; std::string description = params[4]; - TreeServer* ParentOfThis = Utils->FindServer(prefix); + TreeServer* ParentOfThis = Utils->FindServer(user->server); + TreeSocket* socket = ParentOfThis->GetSocket(); - if (!ParentOfThis) - { - this->SendError("Protocol error - Introduced remote server from unknown server "+ParentOfThis->GetName()); - return false; - } - if (!ServerInstance->IsSID(sid)) + if (!IS_SERVER(user)) + return CMD_FAILURE; + + if (!InspIRCd::IsSID(sid)) { - this->SendError("Invalid format server ID: "+sid+"!"); - return false; + socket->SendError("Invalid format server ID: "+sid+"!"); + return CMD_FAILURE; } TreeServer* CheckDupe = Utils->FindServer(servername); if (CheckDupe) { - this->SendError("Server "+servername+" already exists!"); + socket->SendError("Server "+servername+" already exists!"); ServerInstance->SNO->WriteToSnoMask('L', "Server \2"+CheckDupe->GetName()+"\2 being introduced from \2" + ParentOfThis->GetName() + "\2 denied, already exists. Closing link with " + ParentOfThis->GetName()); - return false; + return CMD_FAILURE; } CheckDupe = Utils->FindServer(sid); if (CheckDupe) { - this->SendError("Server ID "+sid+" already exists! You may want to specify the server ID for the server manually with so they do not conflict."); + socket->SendError("Server ID "+sid+" already exists! You may want to specify the server ID for the server manually with so they do not conflict."); ServerInstance->SNO->WriteToSnoMask('L', "Server \2"+servername+"\2 being introduced from \2" + ParentOfThis->GetName() + "\2 denied, server ID already exists on the network. Closing link with " + ParentOfThis->GetName()); - return false; + return CMD_FAILURE; } Link* lnk = Utils->FindLink(servername); - TreeServer *Node = new TreeServer(this->Utils, ServerInstance, servername, description, sid, ParentOfThis,NULL, lnk ? lnk->Hidden : false); + TreeServer* Node = new TreeServer(servername, description, sid, ParentOfThis, ParentOfThis->GetSocket(), lnk ? lnk->Hidden : false); ParentOfThis->AddChild(Node); - params[4] = ":" + params[4]; - Utils->DoOneToAllButSender(prefix,"SERVER",params,prefix); ServerInstance->SNO->WriteToSnoMask('L', "Server \002"+ParentOfThis->GetName()+"\002 introduced server \002"+servername+"\002 ("+description+")"); - return true; + return CMD_SUCCESS; } @@ -99,29 +92,18 @@ bool TreeSocket::Outbound_Reply_Server(parameterlist ¶ms) 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; this->SendCapabilities(2); - if (hops) - { - this->SendError("Server too far away for authentication"); - ServerInstance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, server is too far away for authentication"); - return false; - } - if (!ServerInstance->IsSID(sid)) { this->SendError("Invalid format server ID: "+sid+"!"); return false; } - for (std::vector::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) + for (std::vector >::iterator i = Utils->LinkBlocks.begin(); i < Utils->LinkBlocks.end(); i++) { + Link* x = *i; if (x->Name != servername && x->Name != "*") // open link allowance continue; @@ -134,8 +116,9 @@ bool TreeSocket::Outbound_Reply_Server(parameterlist ¶ms) TreeServer* CheckDupe = Utils->FindServer(sname); if (CheckDupe) { - this->SendError("Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!"); - ServerInstance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName()); + std::string pname = CheckDupe->GetParent() ? CheckDupe->GetParent()->GetName() : ""; + 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; } CheckDupe = Utils->FindServer(sid); @@ -157,18 +140,18 @@ bool TreeSocket::Outbound_Reply_Server(parameterlist ¶ms) this->LinkState = CONNECTED; Utils->timeoutlist.erase(this); + linkID = sname; - TreeServer *Node = new TreeServer(this->Utils, ServerInstance, sname, description, sid, Utils->TreeRoot, this, x->Hidden); + MyRoot = new TreeServer(sname, description, sid, Utils->TreeRoot, this, x->Hidden); + Utils->TreeRoot->AddChild(MyRoot); + this->DoBurst(MyRoot); - Utils->TreeRoot->AddChild(Node); params[4] = ":" + params[4]; - /* IMPORTANT: Take password/hmac hash OUT of here before we broadcast the introduction! */ params[1] = "*"; - Utils->DoOneToAllButSender(ServerInstance->Config->GetSID(),"SERVER",params,sname); + Utils->DoOneToAllButSender(ServerInstance->Config->GetSID(),"SERVER",params,MyRoot); - this->DoBurst(Node); return true; } @@ -177,6 +160,33 @@ bool TreeSocket::Outbound_Reply_Server(parameterlist ¶ms) return false; } +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() : ""; + 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(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 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; +} + /* * Someone else is attempting to connect to us if this is called. Validate their credentials etc. * -- w @@ -194,29 +204,18 @@ bool TreeSocket::Inbound_Server(parameterlist ¶ms) 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; this->SendCapabilities(2); - if (hops) - { - this->SendError("Server too far away for authentication"); - ServerInstance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, server is too far away for authentication"); - return false; - } - if (!ServerInstance->IsSID(sid)) { this->SendError("Invalid format server ID: "+sid+"!"); return false; } - for (std::vector::iterator x = Utils->LinkBlocks.begin(); x < Utils->LinkBlocks.end(); x++) + for (std::vector >::iterator i = Utils->LinkBlocks.begin(); i < Utils->LinkBlocks.end(); i++) { + Link* x = *i; if (x->Name != servername && x->Name != "*") // open link allowance continue; @@ -226,39 +225,23 @@ bool TreeSocket::Inbound_Server(parameterlist ¶ms) continue; } - /* Now check for fully initialized ServerInstances of the server by name */ - TreeServer* CheckDupe = Utils->FindServer(sname); - if (CheckDupe) - { - this->SendError("Server "+sname+" already exists on server "+CheckDupe->GetParent()->GetName()+"!"); - ServerInstance->SNO->WriteToSnoMask('l',"Server connection from \2"+sname+"\2 denied, already exists on server "+CheckDupe->GetParent()->GetName()); + if (!CheckDuplicate(sname, sid)) 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); + ServerInstance->SNO->WriteToSnoMask('l',"Verified incoming server connection " + linkID + " ("+description+")"); - 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 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; - } + this->SendCapabilities(2); + // Save these for later, so when they accept our credentials (indicated by BURST) we remember them + this->capab->hidden = x->Hidden; + this->capab->sid = sid; + this->capab->description = description; + this->capab->name = sname; - ServerInstance->SNO->WriteToSnoMask('l',"Verified incoming server connection from \002"+sname+"\002["+(x->HiddenFromStats ? "" : this->IP)+"] ("+description+")"); - if (this->GetIOHook()) - { - std::string name = BufferedSocketNameRequest(Utils->Creator, this->GetIOHook()).Send(); - ServerInstance->SNO->WriteToSnoMask('l',"Connection from \2"+sname+"\2["+(x->HiddenFromStats ? "" : this->IP)+"] using transport \2"+name+"\2"); - } - - // this is good. Send our details: Our server name and description and hopcount of 0, + // Send our details: Our server name and description and hopcount of 0, // along with the sendpass from this block. - this->SendCapabilities(2); - this->WriteLine(std::string("SERVER ")+ServerInstance->Config->ServerName+" "+this->MakePass(x->SendPass, this->GetTheirChallenge())+" 0 "+ServerInstance->Config->GetSID()+" :"+ServerInstance->Config->ServerDesc); + this->WriteLine("SERVER "+ServerInstance->Config->ServerName+" "+this->MakePass(x->SendPass, this->GetTheirChallenge())+" 0 "+ServerInstance->Config->GetSID()+" :"+ServerInstance->Config->ServerDesc); + // move to the next state, we are now waiting for THEM. this->LinkState = WAIT_AUTH_2; return true;