5 files changed, 39 insertions, 7 deletions
diff --git a/src/modules/m_spanningtree/commands.h b/src/modules/m_spanningtree/commands.h
index 7e171aa99..dd54b5b6b 100644
--- a/src/modules/m_spanningtree/commands.h
+++ b/src/modules/m_spanningtree/commands.h
@@ -107,7 +107,7 @@ class CommandFMode : public Command
 class CommandFTopic : public Command
 {
  public:
-	CommandFTopic(Module* Creator) : Command(Creator, "FTOPIC", 4) { flags_needed = FLAG_SERVERONLY; }
+	CommandFTopic(Module* Creator) : Command(Creator, "FTOPIC", 5) { flags_needed = FLAG_SERVERONLY; }
 	CmdResult Handle (const std::vector<std::string>& parameters, User *user);
 	RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters) { return ROUTE_BROADCAST; }
 };
diff --git a/src/modules/m_spanningtree/compat.cpp b/src/modules/m_spanningtree/compat.cpp
index c14115bed..30b7ba8bb 100644
--- a/src/modules/m_spanningtree/compat.cpp
+++ b/src/modules/m_spanningtree/compat.cpp
@@ -112,6 +112,24 @@ void TreeSocket::WriteLine(std::string line)
 						line.erase(c, d-c);
 					}
 				}
+				else if (command == "FTOPIC")
+				{
+					// Drop channel TS for FTOPIC
+					// :sid FTOPIC #target TS TopicTS ...
+					//     A      B       C  D
+					if (b == std::string::npos)
+						return;
+
+					std::string::size_type c = line.find(' ', b + 1);
+					if (c == std::string::npos)
+						return;
+
+					std::string::size_type d = line.find(' ', c + 1);
+					if (d == std::string::npos)
+						return;
+
+					line.erase(c, d-c);
+				}
 			}
 		}
 	}
@@ -142,6 +160,11 @@ bool TreeSocket::PreProcessOldProtocolMessage(User*& who, std::string& cmd, std:
 		// :20D METADATA #channel extname :extdata
 		return InsertCurrentChannelTS(params);
 	}
+	else if ((cmd == "FTOPIC") && (params.size() >= 4))
+	{
+		// :20D FTOPIC #channel 100 Attila :topic text
+		return InsertCurrentChannelTS(params);
+	}
 
 	return true; // Passthru
 }
diff --git a/src/modules/m_spanningtree/ftopic.cpp b/src/modules/m_spanningtree/ftopic.cpp
index 918bb7f2c..69d3af565 100644
--- a/src/modules/m_spanningtree/ftopic.cpp
+++ b/src/modules/m_spanningtree/ftopic.cpp
@@ -28,7 +28,15 @@ CmdResult CommandFTopic::Handle(const std::vector<std::string>& params, User *us
 	if (!c)
 		return CMD_FAILURE;
 
-	time_t ts = ConvToInt(params[1]);
+	time_t ChanTS = ConvToInt(params[1]);
+	if (!ChanTS)
+		return CMD_INVALID;
+
+	if (c->age < ChanTS)
+		// Our channel TS is older, nothing to do
+		return CMD_FAILURE;
+
+	time_t ts = ConvToInt(params[2]);
 	if (!ts)
 		return CMD_INVALID;
 
@@ -42,18 +50,18 @@ CmdResult CommandFTopic::Handle(const std::vector<std::string>& params, User *us
 	 * string comparision, so non-empty topics always overridde
 	 * empty topics if their timestamps are equal
 	 */
-	if ((ts == c->topicset) && (c->topic > params[3]))
+	if ((ts == c->topicset) && (c->topic > params[4]))
 		return CMD_FAILURE; // Topics were set at the exact same time, keep our topic and setter
 
-	if (c->topic != params[3])
+	if (c->topic != params[4])
 	{
 		// Update topic only when it differs from current topic
-		c->topic.assign(params[3], 0, ServerInstance->Config->Limits.MaxTopic);
+		c->topic.assign(params[4], 0, ServerInstance->Config->Limits.MaxTopic);
 		c->WriteChannel(user, "TOPIC %s :%s", c->name.c_str(), c->topic.c_str());
 	}
 
 	// Update setter and settime
-	c->setby.assign(params[2], 0, 127);
+	c->setby.assign(params[3], 0, 127);
 	c->topicset = ts;
 
 	return CMD_SUCCESS;
diff --git a/src/modules/m_spanningtree/netburst.cpp b/src/modules/m_spanningtree/netburst.cpp
index 566224c7a..a77623bfc 100644
--- a/src/modules/m_spanningtree/netburst.cpp
+++ b/src/modules/m_spanningtree/netburst.cpp
@@ -161,7 +161,7 @@ void TreeSocket::SyncChannel(Channel* chan)
 	SendFJoins(chan);
 	if (!chan->topic.empty())
 	{
-		snprintf(data,MAXBUF,":%s FTOPIC %s %lu %s :%s", ServerInstance->Config->GetSID().c_str(), chan->name.c_str(), (unsigned long)chan->topicset, chan->setby.c_str(), chan->topic.c_str());
+		snprintf(data,MAXBUF,":%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(data);
 	}
 
diff --git a/src/modules/m_spanningtree/protocolinterface.cpp b/src/modules/m_spanningtree/protocolinterface.cpp
index d727f588c..93a138758 100644
--- a/src/modules/m_spanningtree/protocolinterface.cpp
+++ b/src/modules/m_spanningtree/protocolinterface.cpp
@@ -81,6 +81,7 @@ void SpanningTreeProtocolInterface::SendTopic(Channel* channel, std::string &top
 	parameterlist params;
 
 	params.push_back(channel->name);
+	params.push_back(ConvToStr(channel->age));
 	params.push_back(ConvToStr(ServerInstance->Time()));
 	params.push_back(ServerInstance->Config->ServerName);
 	params.push_back(":" + topic);