Allow clearing other list modes using ClearBans.

include/protocol.h

@@ -107,8 +107,8 @@ public:
 	/* If this IRCd has unique ids, whether the IDs and nicknames are ambiguous */
 	bool AmbiguousID = false;
 
-	/** Can we ask the server to unban a user? */
-	bool CanClearBans = false;
+	/** Can we ask the server to remove list modes matching a user? */
+	std::set<Anope::string> CanClearModes;
 
 	/** Can we send tag messages? */
 	bool CanTagMessage = false;
@@ -304,7 +304,7 @@ public:
 	 */
 	virtual void SendOper(User *u);
 
-	virtual void SendClearBans(const MessageSource &user, Channel *c, User* u) { }
+	virtual void SendClearModes(const MessageSource &user, Channel *c, User* u, const Anope::string &mode) { }
 
 	virtual bool IsNickValid(const Anope::string &);
 	virtual bool IsChannelValid(const Anope::string &);

modules/botserv/botserv.cpp

@@ -57,10 +57,10 @@ public:
 		BotInfo *bi = user->server == Me ? dynamic_cast<BotInfo *>(user) : NULL;
 		if (bi && Config->GetModule(this).Get<bool>("smartjoin"))
 		{
-			if (IRCD->CanClearBans)
+			if (IRCD->CanClearModes.count("BAN"))
 			{
 				// We can ask the IRCd to clear bans.
-				IRCD->SendClearBans(bi, c, bi);
+				IRCD->SendClearModes(bi, c, bi, "BAN");
 			}
 			else
 			{

modules/chanserv/cs_unban.cpp

@@ -44,16 +44,18 @@ public:
 				if (!ci->c || !(source.AccessFor(ci).HasPriv("UNBAN") || source.AccessFor(ci).HasPriv("UNBANME")))
 					continue;
 
-				if (IRCD->CanClearBans)
-				{
-					IRCD->SendClearBans(ci->WhoSends(), ci->c, source.GetUser());
-					count++;
-					continue;
-				}
-
 				for (const auto *mode : modes)
+				{
+					if (IRCD->CanClearModes.count(mode->name))
+					{
+						IRCD->SendClearModes(ci->WhoSends(), ci->c, source.GetUser(), mode->name);
+						count++;
+						continue;
+					}
+
 					if (ci->c->Unban(source.GetUser(), mode->name, true))
 						++count;
+				}
 			}
 
 			Log(LOG_COMMAND, source, this, NULL) << "on all channels";
@@ -96,13 +98,15 @@ public:
 		bool override = !source.AccessFor(ci).HasPriv("UNBAN") && source.HasPriv("chanserv/kick");
 		Log(override ? LOG_OVERRIDE : LOG_COMMAND, source, this, ci) << "to unban " << u2->nick;
 
-
-		if (IRCD->CanClearBans)
-			IRCD->SendClearBans(ci->WhoSends(), ci->c, source.GetUser());
-		else
+		for (const auto *mode : modes)
 		{
-			for (const auto *mode : modes)
-				ci->c->Unban(u2, mode->name, source.GetUser() == u2);
+			if (IRCD->CanClearModes.count(mode->name))
+			{
+				IRCD->SendClearModes(ci->WhoSends(), ci->c, source.GetUser(), mode->name);
+				continue;
+			}
+
+			ci->c->Unban(u2, mode->name, source.GetUser() == u2);
 		}
 
 		if (u2 == source.GetUser())

modules/protocol/inspircd.cpp

@@ -268,9 +268,13 @@ public:
 		IRCDProto::SendContextPrivmsg(bi, target, context, msg);
 	}
 
-	void SendClearBans(const MessageSource &user, Channel *c, User* u) override
+	void SendClearModes(const MessageSource &user, Channel *c, User* u, const Anope::string &mode) override
 	{
-		Uplink::Send(user, "SVSCMODE", u->GetUID(), c->name, 'b');
+		auto *cm = ModeManager::FindChannelModeByName(mode);
+		if (!cm || !cm->mchar)
+			return;
+
+		Uplink::Send(user, "SVSCMODE", u->GetUID(), c->name, cm->mchar);
 	}
 
 	void SendQuit(User *u, const Anope::string &buf, const Anope::string &operbuf) override
@@ -1194,7 +1198,7 @@ struct IRCDMessageCapab final
 				throw ProtocolException("Protocol mismatch, no or invalid protocol version given in CAPAB START.");
 
 			Servers::Capab.clear();
-			IRCD->CanClearBans = false;
+			IRCD->CanClearModes.clear();
 			IRCD->CanSQLineChannel = false;
 			IRCD->CanSVSHold = false;
 			IRCD->CanTagMessage = false;
@@ -1522,7 +1526,6 @@ struct IRCDMessageCapab final
 
 					else if (modname.equals_cs("services"))
 					{
-						IRCD->CanClearBans = true;
 						IRCD->CanSVSHold = true;
 						Servers::Capab.insert("SERVICES");
 						Servers::Capab.insert("TOPICLOCK");
@@ -1630,6 +1633,12 @@ struct IRCDMessageCapab final
 
 				if (!Servers::Capab.count("SERVICES"))
 					throw ProtocolException("The services module is not loaded. This is required by Anope.");
+
+				for (auto *cm : ModeManager::GetChannelModes())
+				{
+					if (cm->type == MODE_LIST && cm->mchar)
+						IRCD->CanClearModes.insert(cm->name);
+				}
 			}
 
 			if (!ModeManager::FindUserModeByName("PRIV"))

modules/protocol/unrealircd.cpp

@@ -59,7 +59,7 @@ public:
 		CanSQLineChannel = true;
 		CanSZLine = true;
 		CanSVSHold = true;
-		CanClearBans = true;
+		CanClearModes.insert("BAN");
 		CanCertFP = true;
 		CanTagMessage = true;
 		RequiresID = true;
@@ -456,9 +456,13 @@ private:
 		return true;
 	}
 
-	void SendClearBans(const MessageSource &user, Channel *c, User* u) override
+	void SendClearModes(const MessageSource &user, Channel *c, User* u, const Anope::string &mode) override
 	{
-		Uplink::Send(user, "SVS2MODE", c->name, "-b", u->GetUID());
+		auto *cm = ModeManager::FindChannelModeByName(mode);
+		if (!cm || !cm->mchar)
+			return;
+
+		Uplink::Send(user, "SVS2MODE", c->name, Anope::printf("-%c", cm->mchar), u->GetUID());
 	}
 
 	bool IsTagValid(const Anope::string &tname, const Anope::string &tvalue) override