From 8349a1c0d94eab61b872bb4625cbdc55feb0b86f Mon Sep 17 00:00:00 2001
From: DNS777 <dns@rbose.org>
Date: Thu, 23 Aug 2012 09:25:30 +0000
Subject: [PATCH] Recognize user mode "R"

This allows users to unset the user mode "R".
---
 src/ngircd/irc-mode.c | 9 +++++++++
 src/ngircd/messages.h | 1 +
 2 files changed, 10 insertions(+)

diff --git a/src/ngircd/irc-mode.c b/src/ngircd/irc-mode.c
index fa35cdd0..17769360 100644
--- a/src/ngircd/irc-mode.c
+++ b/src/ngircd/irc-mode.c
@@ -256,6 +256,15 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
 							ERR_RESTRICTED_MSG,
 							Client_ID(Origin));
 			break;
+		case 'R': /* Registered (only unsettable) */
+			if (!set || Client_Type(Client) == CLIENT_SERVICE
+				 || Client_Type(Client) == CLIENT_SERVER)
+				x[0] = 'R';
+			else
+				ok = IRC_WriteStrClient(Origin,
+							ERR_NICKREGISTER_MSG,
+							Client_ID(Origin));
+			break;
 		case 'x': /* Cloak hostname */
 			if (Client_HasMode(Client, 'r'))
 				ok = IRC_WriteStrClient(Origin,
diff --git a/src/ngircd/messages.h b/src/ngircd/messages.h
index 9ad6be17..4aed70f3 100644
--- a/src/ngircd/messages.h
+++ b/src/ngircd/messages.h
@@ -138,6 +138,7 @@
 #define ERR_CHANOPRIVSNEEDED_MSG	"482 %s %s :You are not channel operator"
 #define ERR_CANTKILLSERVER_MSG		"483 %s :You can't kill a server!"
 #define ERR_RESTRICTED_MSG		"484 %s :Your connection is restricted"
+#define ERR_NICKREGISTER_MSG		"484 %s :Cannot set user mode (+R) -- Use IRC services"
 #define ERR_NOOPERHOST_MSG		"491 %s :Not configured for your host"
 #define ERR_NOTONSAMECHANNEL_MSG	"493 %s :You must share a common channel with %s"
 
-- 
2.39.2