#include "inspircd.h"
-#include "socket.h"
-#include "xline.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::HandleServer(TreeServer* ParentOfThis, std::vector<std::string>& 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);
+ TreeSocket* socket = ParentOfThis->GetSocket();
- if (!ParentOfThis)
+ if (!InspIRCd::IsSID(sid))
{
- this->SendError("Protocol error - Introduced remote server from unknown server "+prefix);
- return false;
- }
- if (!ServerInstance->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 <server:id> 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 <server:id> 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(Utils, 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;
}
std::string password = params[1];
std::string sid = params[3];
std::string description = params[4];
- int hops = atoi(params[2].c_str());
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+"!");
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() : "<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;
}
CheckDupe = Utils->FindServer(sid);
Utils->timeoutlist.erase(this);
linkID = sname;
- MyRoot = new TreeServer(Utils, sname, description, sid, Utils->TreeRoot, this, x->Hidden);
-
+ MyRoot = new TreeServer(sname, description, sid, Utils->TreeRoot, this, x->Hidden);
Utils->TreeRoot->AddChild(MyRoot);
- params[4] = ":" + params[4];
+ this->DoBurst(MyRoot);
- /* IMPORTANT: Take password/hmac hash OUT of here before we broadcast the introduction! */
- params[1] = "*";
- Utils->DoOneToAllButSender(ServerInstance->Config->GetSID(),"SERVER",params,sname);
+ // This will send a * in place of the password/hmac
+ CommandServer::Builder(MyRoot).Forward(MyRoot);
- this->DoBurst(MyRoot);
return true;
}
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() : "<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(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;
+}
+
/*
* Someone else is attempting to connect to us if this is called. Validate their credentials etc.
* -- w
std::string password = params[1];
std::string sid = params[3];
std::string description = params[4];
- int hops = atoi(params[2].c_str());
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+"!");
continue;
}
- /* Now check for fully initialized ServerInstances 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);
+ 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);
-
- 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;
- }
ServerInstance->SNO->WriteToSnoMask('l',"Verified incoming server connection " + linkID + " ("+description+")");
- linkID = sname;
- // this is good. 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);
- // move to the next state, we are now waiting for THEM.
- MyRoot = new TreeServer(Utils, sname, description, sid, Utils->TreeRoot, this, x->Hidden);
- Utils->TreeRoot->AddChild(MyRoot);
- params[1] = "*";
- params[4] = ":" + params[4];
- Utils->DoOneToAllButSender(ServerInstance->Config->GetSID(),"SERVER",params,sname);
+ // 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;
+
+ // Send our details: Our server name and description and hopcount of 0,
+ // along with the sendpass from this block.
+ 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;
}
return false;
}
+CommandServer::Builder::Builder(TreeServer* server)
+ : CmdBuilder(server->GetParent()->GetID(), "SERVER")
+{
+ push(server->GetName());
+ push_raw(" * 0 ");
+ push_raw(server->GetID());
+ push_last(server->GetDesc());
+}