Add support for sending tag messages.

4 files changed, 21 insertions, 0 deletions

diff --git a/include/protocol.h b/include/protocol.h
index 7f36a2917..6a7c8a07f 100644
--- a/include/protocol.h
+++ b/include/protocol.h
@@ -43,6 +43,7 @@ public:
 
 	virtual void SendNotice(const MessageSource &source, const Anope::string &dest, const Anope::string &msg, const Anope::map<Anope::string> &tags = {});
 	virtual void SendPrivmsg(const MessageSource &source, const Anope::string &dest, const Anope::string &msg, const Anope::map<Anope::string> &tags = {});
+	virtual void SendTagmsg(const MessageSource &source, const Anope::string &dest, const Anope::map<Anope::string> &tags);
 
 	/** Parses an incoming message from the IRC server.
 	 * @param message The message to parse.
@@ -109,6 +110,9 @@ public:
 	/** Can we ask the server to unban a user? */
 	bool CanClearBans = false;
 
+	/** Can we send tag messages? */
+	bool CanTagMessage = false;
+
 	/* The maximum length of a channel name. */
 	size_t MaxChannel = 0;
 
diff --git a/modules/protocol/inspircd.cpp b/modules/protocol/inspircd.cpp
index e3cf294f4..0b0a60c8b 100644
--- a/modules/protocol/inspircd.cpp
+++ b/modules/protocol/inspircd.cpp
@@ -1147,6 +1147,7 @@ struct IRCDMessageCapab final
 			IRCD->CanClearBans = false;
 			IRCD->CanSQLineChannel = false;
 			IRCD->CanSVSHold = false;
+			IRCD->CanTagMessage = false;
 			IRCD->DefaultPseudoclientModes = "+oI";
 		}
 		else if (params[0].equals_cs("CHANMODES") && params.size() > 1)
@@ -1523,6 +1524,9 @@ struct IRCDMessageCapab final
 
 				else if (modname.equals_cs("chgident"))
 					Servers::Capab.insert("CHGIDENT");
+
+				else if (modname.equals_cs("ircv3_ctctags"))
+					IRCD->CanTagMessage = true;
 			}
 
 			const auto &anoperegex = Config->GetBlock("options")->Get<const Anope::string>("regexengine");
@@ -1583,6 +1587,9 @@ struct IRCDMessageCapab final
 			if (!IRCD->CanSQLineChannel)
 				Log() << "The remote server does not have the cban module; services will manually enforce forbidden channels until the module is loaded.";
 
+			if (!IRCD->CanTagMessage)
+				Log() << "The remote server does not have the ircv3_ctctags module; sending tag messages is disabled until the module is loaded.";
+
 			if (!Servers::Capab.count("CHGHOST"))
 				Log() << "The remote server does not have the chghost module; vhosts are disabled until the module is loaded.";
 
@@ -1954,6 +1961,9 @@ public:
 				else if (modname.equals_cs("hidechans"))
 					required = true;
 
+				else if (modname.equals_cs("ircv3_ctctags"))
+					IRCD->CanTagMessage = plus;
+
 				else if (modname.equals_cs("rline"))
 					capab = "RLINE";
 
diff --git a/modules/protocol/unrealircd.cpp b/modules/protocol/unrealircd.cpp
index 1c3f53270..aaae92b38 100644
--- a/modules/protocol/unrealircd.cpp
+++ b/modules/protocol/unrealircd.cpp
@@ -38,6 +38,7 @@ public:
 		CanSVSHold = true;
 		CanClearBans = true;
 		CanCertFP = true;
+		CanTagMessage = true;
 		RequiresID = true;
 		MaxModes = 12;
 	}
diff --git a/src/protocol.cpp b/src/protocol.cpp
index 1c5edd2a4..ad2bef770 100644
--- a/src/protocol.cpp
+++ b/src/protocol.cpp
@@ -145,6 +145,12 @@ void IRCDProto::SendPrivmsg(const MessageSource &source, const Anope::string &de
 	Uplink::Send(tags, source, "PRIVMSG", dest, msg.empty() ? " " : msg);
 }
 
+void IRCDProto::SendTagmsg(const MessageSource &source, const Anope::string &dest, const Anope::map<Anope::string> &tags)
+{
+	if (CanTagMessage)
+		Uplink::Send(tags, source, "TAGMSG", dest);
+}
+
 void IRCDProto::SendQuit(User *u, const Anope::string &buf)
 {
 	if (!buf.empty())