X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_spanningtree%2Fservercommand.h;h=524520a88aa0f2a2157ceec48cb348b7b8b8988b;hb=8f5efbc7aa33b792e02d01e3288f553e6e98ccaa;hp=4311dd7b7f9af79bb5f53c1f7b5fcbfcad904fd2;hpb=b14ebbccf08ec34a73e1ba271e67da80d9fe805c;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/modules/m_spanningtree/servercommand.h b/src/modules/m_spanningtree/servercommand.h
index 4311dd7b7..524520a88 100644
--- a/src/modules/m_spanningtree/servercommand.h
+++ b/src/modules/m_spanningtree/servercommand.h
@@ -19,6 +19,20 @@
 
 #pragma once
 
+#include "utils.h"
+#include "treeserver.h"
+
+class ProtocolException : public ModuleException
+{
+ public:
+	ProtocolException(const std::string& msg)
+		: ModuleException("Protocol violation: " + msg)
+	{
+	}
+};
+
+/** Base class for server-to-server commands that may have a (remote) user source or server source.
+ */
 class ServerCommand : public CommandBase
 {
  public:
@@ -26,6 +40,53 @@ class ServerCommand : public CommandBase
 
 	virtual CmdResult Handle(User* user, std::vector<std::string>& parameters) = 0;
 	virtual RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters);
+
+	/**
+	 * Extract the TS from a string.
+	 * @param tsstr The string containing the TS.
+	 * @return The raw timestamp value.
+	 * This function throws a ProtocolException if it considers the TS invalid. Note that the detection of
+	 * invalid timestamps is not designed to be bulletproof, only some cases - like "0" - trigger an exception.
+	 */
+	static time_t ExtractTS(const std::string& tsstr);
+};
+
+/** Base class for server-to-server command handlers which are only valid if their source is a user.
+ * When a server sends a command of this type and the source is a server (sid), the link is aborted.
+ */
+template <class T>
+class UserOnlyServerCommand : public ServerCommand
+{
+ public:
+	UserOnlyServerCommand(Module* Creator, const std::string& Name, unsigned int MinPara = 0, unsigned int MaxPara = 0)
+		: ServerCommand(Creator, Name, MinPara, MaxPara) { }
+
+	CmdResult Handle(User* user, std::vector<std::string>& parameters)
+	{
+		RemoteUser* remoteuser = IS_REMOTE(user);
+		if (!remoteuser)
+			throw ProtocolException("Invalid source");
+		return static_cast<T*>(this)->HandleRemote(remoteuser, parameters);
+	}
+};
+
+/** Base class for server-to-server command handlers which are only valid if their source is a server.
+ * When a server sends a command of this type and the source is a user (uuid), the link is aborted.
+ */
+template <class T>
+class ServerOnlyServerCommand : public ServerCommand
+{
+ public:
+	ServerOnlyServerCommand(Module* Creator, const std::string& Name, unsigned int MinPara = 0, unsigned int MaxPara = 0)
+		: ServerCommand(Creator, Name, MinPara, MaxPara) { }
+
+	CmdResult Handle(User* user, std::vector<std::string>& parameters)
+	{
+		if (!IS_SERVER(user))
+			throw ProtocolException("Invalid source");
+		TreeServer* server = TreeServer::Get(user);
+		return static_cast<T*>(this)->HandleServer(server, parameters);
+	}
 };
 
 class ServerCommandManager