]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_spanningtree/netburst.cpp
Rename `<link:ssl>` to `<link:sslprofile>`.
[user/henk/code/inspircd.git] / src / modules / m_spanningtree / netburst.cpp
index aefb9de01c1e524d0e3768e7e2c777b75ab51099..ac68efb96b4ad12f8c08e601272aef8058a1d19c 100644 (file)
@@ -1,9 +1,13 @@
 /*
  * InspIRCd -- Internet Relay Chat Daemon
  *
- *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2017 B00mX0r <b00mx0r@aureus.pw>
+ *   Copyright (C) 2013, 2019 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012-2015 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2008, 2010 Craig Edwards <brain@inspircd.org>
  *   Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
- *   Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
  *
  * 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
 #include "treesocket.h"
 #include "treeserver.h"
 #include "main.h"
+#include "commands.h"
+
+/**
+ * Creates FMODE messages, used only when syncing channels
+ */
+class FModeBuilder : public CmdBuilder
+{
+       static const size_t maxline = 480;
+       std::string params;
+       unsigned int modes;
+       std::string::size_type startpos;
+
+ public:
+       FModeBuilder(Channel* chan)
+               : CmdBuilder("FMODE"), modes(0)
+       {
+               push(chan->name).push_int(chan->age).push_raw(" +");
+               startpos = str().size();
+       }
+
+       /** Add a mode to the message
+        */
+       void push_mode(const char modeletter, const std::string& mask)
+       {
+               push_raw(modeletter);
+               params.push_back(' ');
+               params.append(mask);
+               modes++;
+       }
+
+       /** Remove all modes from the message
+        */
+       void clear()
+       {
+               content.erase(startpos);
+               params.clear();
+               modes = 0;
+       }
+
+       /** Prepare the message for sending, next mode can only be added after clear()
+        */
+       const std::string& finalize()
+       {
+               return push_raw(params);
+       }
+
+       /** Returns true if the given mask can be added to the message, false if the message
+        * has no room for the mask
+        */
+       bool has_room(const std::string& mask) const
+       {
+               return ((str().size() + params.size() + mask.size() + 2 <= maxline) &&
+                               (modes < ServerInstance->Config->Limits.MaxModes));
+       }
+
+       /** Returns true if this message is empty (has no modes)
+        */
+       bool empty() const
+       {
+               return (modes == 0);
+       }
+};
+
+struct TreeSocket::BurstState
+{
+       SpanningTreeProtocolInterface::Server server;
+       BurstState(TreeSocket* sock) : server(sock) { }
+};
 
 /** This function is called when we want to send a netburst to a local
  * server. There is a set order we must do this, because for example
  */
 void TreeSocket::DoBurst(TreeServer* s)
 {
-       ServerInstance->SNO->WriteToSnoMask('l',"Bursting to \2%s\2 (Authentication: %s%s).",
+       ServerInstance->SNO->WriteToSnoMask('l',"Bursting to \002%s\002 (Authentication: %s%s).",
                s->GetName().c_str(),
-               capab->auth_fingerprint ? "SSL Fingerprint and " : "",
+               capab->auth_fingerprint ? "SSL certificate fingerprint and " : "",
                capab->auth_challenge ? "challenge-response" : "plaintext password");
        this->CleanNegotiationInfo();
-       this->WriteLine(":" + ServerInstance->Config->GetSID() + " BURST " + ConvToStr(ServerInstance->Time()));
-       /* send our version string */
-       this->WriteLine(":" + ServerInstance->Config->GetSID() + " VERSION :"+ServerInstance->GetVersionString());
-       /* Send server tree */
+       this->WriteLine(CmdBuilder("BURST").push_int(ServerInstance->Time()));
+       // Introduce all servers behind us
        this->SendServers(Utils->TreeRoot, s);
-       /* Send users and their oper status */
-       this->SendUsers();
 
-       for (chan_hash::const_iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); ++i)
-               SyncChannel(i->second);
+       BurstState bs(this);
+       // Introduce all users
+       this->SendUsers(bs);
+
+       // Sync all channels
+       const chan_hash& chans = ServerInstance->GetChans();
+       for (chan_hash::const_iterator i = chans.begin(); i != chans.end(); ++i)
+               SyncChannel(i->second, bs);
 
+       // Send all xlines
        this->SendXLines();
-       FOREACH_MOD(I_OnSyncNetwork,OnSyncNetwork(Utils->Creator,(void*)this));
-       this->WriteLine(":" + ServerInstance->Config->GetSID() + " ENDBURST");
-       ServerInstance->SNO->WriteToSnoMask('l',"Finished bursting to \2"+ s->GetName()+"\2.");
+       FOREACH_MOD_CUSTOM(Utils->Creator->GetSyncEventProvider(), ServerProtocol::SyncEventListener, OnSyncNetwork, (bs.server));
+       this->WriteLine(CmdBuilder("ENDBURST"));
+       ServerInstance->SNO->WriteToSnoMask('l',"Finished bursting to \002"+ s->GetName()+"\002.");
+
+       this->burstsent = true;
+}
+
+void TreeSocket::SendServerInfo(TreeServer* from)
+{
+       // Send public version string
+       this->WriteLine(CommandSInfo::Builder(from, "version", from->GetVersion()));
+
+       // Send full version string that contains more information and is shown to opers
+       this->WriteLine(CommandSInfo::Builder(from, "fullversion", from->GetFullVersion()));
+
+       // Send the raw version string that just contains the base info
+       this->WriteLine(CommandSInfo::Builder(from, "rawversion", from->GetRawVersion()));
 }
 
 /** Recursively send the server tree.
@@ -61,18 +150,18 @@ void TreeSocket::DoBurst(TreeServer* s)
  * (and any of ITS servers too) of what servers we know about.
  * If at any point any of these servers already exist on the other
  * end, our connection may be terminated.
- * The hopcount parameter (3rd) is deprecated, and is always 0.
  */
 void TreeSocket::SendServers(TreeServer* Current, TreeServer* s)
 {
-       for (unsigned int q = 0; q < Current->ChildCount(); q++)
+       SendServerInfo(Current);
+
+       const TreeServer::ChildServers& children = Current->GetChildren();
+       for (TreeServer::ChildServers::const_iterator i = children.begin(); i != children.end(); ++i)
        {
-               TreeServer* recursive_server = Current->GetChild(q);
+               TreeServer* recursive_server = *i;
                if (recursive_server != s)
                {
-                       this->WriteLine(InspIRCd::Format(":%s SERVER %s * 0 %s :%s", Current->GetID().c_str(),
-                               recursive_server->GetName().c_str(), recursive_server->GetID().c_str(), recursive_server->GetDesc().c_str()));
-                       this->WriteLine(":" + recursive_server->GetID() + " VERSION :" + recursive_server->GetVersion());
+                       this->WriteLine(CommandServer::Builder(recursive_server));
                        /* down to next level */
                        this->SendServers(recursive_server, s);
                }
@@ -80,35 +169,25 @@ void TreeSocket::SendServers(TreeServer* Current, TreeServer* s)
 }
 
 /** Send one or more FJOINs for a channel of users.
- * If the length of a single line is more than 480-NICKMAX
- * in length, it is split over multiple lines.
- * Send one or more FMODEs for a channel with the
- * channel bans, if there's any.
+ * If the length of a single line is too long, it is split over multiple lines.
  */
 void TreeSocket::SendFJoins(Channel* c)
 {
-       std::string line(":");
-       line.append(ServerInstance->Config->GetSID()).append(" FJOIN ").append(c->name).append(1, ' ').append(ConvToStr(c->age)).append(" +");
-       std::string::size_type erase_from = line.length();
-       line.append(c->ChanModes(true)).append(" :");
+       CommandFJoin::Builder fjoin(c);
 
-       const UserMembList *ulist = c->GetUsers();
-
-       for (UserMembCIter i = ulist->begin(); i != ulist->end(); ++i)
+       const Channel::MemberMap& ulist = c->GetUsers();
+       for (Channel::MemberMap::const_iterator i = ulist.begin(); i != ulist.end(); ++i)
        {
-               const std::string& modestr = i->second->modes;
-               if ((line.length() + modestr.length() + UIDGenerator::UUID_LENGTH + 2) > 480)
+               Membership* memb = i->second;
+               if (!fjoin.has_room(memb))
                {
-                       this->WriteLine(line);
-                       line.erase(erase_from);
-                       line.append(" :");
+                       // No room for this user, send the line and prepare a new one
+                       this->WriteLine(fjoin.finalize());
+                       fjoin.clear();
                }
-               line.append(modestr).append(1, ',').append(i->first->uuid).push_back(' ');
+               fjoin.add(memb);
        }
-       this->WriteLine(line);
-
-       ChanModeReference ban(NULL, "ban");
-       static_cast<ListModeBase*>(*ban)->DoSyncChannel(c, Utils->Creator, this);
+       this->WriteLine(fjoin.finalize());
 }
 
 /** Send all XLines we know about */
@@ -132,88 +211,99 @@ void TreeSocket::SendXLines()
                                if (!i->second->IsBurstable())
                                        break;
 
-                               this->WriteLine(InspIRCd::Format(":%s ADDLINE %s %s %s %lu %lu :%s",
-                                       ServerInstance->Config->GetSID().c_str(),
-                                       it->c_str(),
-                                       i->second->Displayable().c_str(),
-                                       i->second->source.c_str(),
-                                       (unsigned long)i->second->set_time,
-                                       (unsigned long)i->second->duration,
-                                       i->second->reason.c_str()));
+                               this->WriteLine(CommandAddLine::Builder(i->second));
                        }
                }
        }
 }
 
-/** Send channel topic, modes and metadata */
-void TreeSocket::SyncChannel(Channel* chan)
+void TreeSocket::SendListModes(Channel* chan)
+{
+       FModeBuilder fmode(chan);
+       const ModeParser::ListModeList& listmodes = ServerInstance->Modes->GetListModes();
+       for (ModeParser::ListModeList::const_iterator i = listmodes.begin(); i != listmodes.end(); ++i)
+       {
+               ListModeBase* mh = *i;
+               ListModeBase::ModeList* list = mh->GetList(chan);
+               if (!list)
+                       continue;
+
+               // Add all items on the list to the FMODE, send it whenever it becomes too long
+               const char modeletter = mh->GetModeChar();
+               for (ListModeBase::ModeList::const_iterator j = list->begin(); j != list->end(); ++j)
+               {
+                       const std::string& mask = j->mask;
+                       if (!fmode.has_room(mask))
+                       {
+                               // No room for this mask, send the current line as-is then add the mask to a
+                               // new, empty FMODE message
+                               this->WriteLine(fmode.finalize());
+                               fmode.clear();
+                       }
+                       fmode.push_mode(modeletter, mask);
+               }
+       }
+
+       if (!fmode.empty())
+               this->WriteLine(fmode.finalize());
+}
+
+/** Send channel users, topic, modes and global metadata */
+void TreeSocket::SyncChannel(Channel* chan, BurstState& bs)
 {
        SendFJoins(chan);
 
        // If the topic was ever set, send it, even if it's empty now
        // because a new empty topic should override an old non-empty topic
        if (chan->topicset != 0)
-       {
-               this->WriteLine(InspIRCd::Format(":%s FTOPIC %s %lu %lu %s :%s", ServerInstance->Config->GetSID().c_str(),
-                       chan->name.c_str(), (unsigned long)chan->age, (unsigned long)chan->topicset,
-                       chan->setby.c_str(), chan->topic.c_str()));
-       }
+               this->WriteLine(CommandFTopic::Builder(chan));
+
+       SendListModes(chan);
 
        for (Extensible::ExtensibleStore::const_iterator i = chan->GetExtList().begin(); i != chan->GetExtList().end(); i++)
        {
                ExtensionItem* item = i->first;
-               std::string value = item->serialize(FORMAT_NETWORK, chan, i->second);
+               std::string value = item->ToNetwork(chan, i->second);
                if (!value.empty())
-                       Utils->Creator->ProtoSendMetaData(this, chan, item->name, value);
+                       this->WriteLine(CommandMetadata::Builder(chan, item->name, value));
        }
 
-       FOREACH_MOD(I_OnSyncChannel,OnSyncChannel(chan, Utils->Creator, this));
+       FOREACH_MOD_CUSTOM(Utils->Creator->GetSyncEventProvider(), ServerProtocol::SyncEventListener, OnSyncChannel, (chan, bs.server));
+}
+
+void TreeSocket::SyncChannel(Channel* chan)
+{
+       BurstState bs(this);
+       SyncChannel(chan, bs);
 }
 
-/** send all users and their oper state/modes */
-void TreeSocket::SendUsers()
+/** Send all users and their state, including oper and away status and global metadata */
+void TreeSocket::SendUsers(BurstState& bs)
 {
-       for (user_hash::iterator u = ServerInstance->Users->clientlist->begin(); u != ServerInstance->Users->clientlist->end(); u++)
+       const user_hash& users = ServerInstance->Users->GetUsers();
+       for (user_hash::const_iterator u = users.begin(); u != users.end(); ++u)
        {
-               if (u->second->registered == REG_ALL)
-               {
-                       TreeServer* theirserver = Utils->FindServer(u->second->server);
-                       if (theirserver)
-                       {
-                               this->WriteLine(InspIRCd::Format(":%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: Real host
-                                       u->second->dhost.c_str(),         // 4: Display host
-                                       u->second->ident.c_str(),         // 5: Ident
-                                       u->second->GetIPString().c_str(), // 6: IP address
-                                       (unsigned long)u->second->signon, // 7: Signon time
-                                       u->second->FormatModes(true),     // 8...n: User modes and params
-                                       u->second->fullname.c_str()));    // size-1: GECOS
-
-                               if (u->second->IsOper())
-                               {
-                                       this->WriteLine(InspIRCd::Format(":%s OPERTYPE :%s", u->second->uuid.c_str(), u->second->oper->name.c_str()));
-                               }
-                               if (u->second->IsAway())
-                               {
-                                       this->WriteLine(InspIRCd::Format(":%s AWAY %ld :%s", u->second->uuid.c_str(), (long)u->second->awaytime,
-                                               u->second->awaymsg.c_str()));
-                               }
-                       }
+               User* user = u->second;
+               if (user->registered != REG_ALL)
+                       continue;
 
-                       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);
-                       }
+               this->WriteLine(CommandUID::Builder(user));
+
+               if (user->IsOper())
+                       this->WriteLine(CommandOpertype::Builder(user));
+
+               if (user->IsAway())
+                       this->WriteLine(CommandAway::Builder(user));
 
-                       FOREACH_MOD(I_OnSyncUser,OnSyncUser(u->second,Utils->Creator,this));
+               const Extensible::ExtensibleStore& exts = user->GetExtList();
+               for (Extensible::ExtensibleStore::const_iterator i = exts.begin(); i != exts.end(); ++i)
+               {
+                       ExtensionItem* item = i->first;
+                       std::string value = item->ToNetwork(u->second, i->second);
+                       if (!value.empty())
+                               this->WriteLine(CommandMetadata::Builder(user, item->name, value));
                }
+
+               FOREACH_MOD_CUSTOM(Utils->Creator->GetSyncEventProvider(), ServerProtocol::SyncEventListener, OnSyncUser, (user, bs.server));
        }
 }
-