X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fngircd%2Firc-login.c;h=f3226011890655711a4781b8e716e531d7244016;hb=f64cb901efe2f303413816b725520dfd4caee7bf;hp=98ac0e7f5e07ead740eed5297eb8b45802b59b8d;hpb=c41f18e3f90512afcf38f42695c26708a1f34772;p=ngircd-alex.git

diff --git a/src/ngircd/irc-login.c b/src/ngircd/irc-login.c
index 98ac0e7f..f3226011 100644
--- a/src/ngircd/irc-login.c
+++ b/src/ngircd/irc-login.c
@@ -172,6 +172,7 @@ GLOBAL bool
 IRC_NICK( CLIENT *Client, REQUEST *Req )
 {
 	CLIENT *intr_c, *target, *c;
+	CHANNEL *chan;
 	char *nick, *user, *hostname, *modes, *info;
 	int token, hops;
 
@@ -259,6 +260,20 @@ IRC_NICK( CLIENT *Client, REQUEST *Req )
 				Client_SetType( Client, CLIENT_GOTNICK );
 		} else {
 			/* Nickname change */
+
+			/* Check that the user isn't on any channels set +N */
+			chan = Channel_First();
+			while (chan) {
+				if(Channel_IsMemberOf(chan, Client) &&
+				   Channel_HasMode(chan, 'N') &&
+				   !Client_HasMode(Client, 'o'))
+					return IRC_WriteErrClient(Client,
+								  ERR_UNAVAILRESOURCE_MSG,
+								  Client_ID(Client),
+								  Channel_Name(chan));
+				chan = Channel_Next(chan);
+			}
+
 			Change_Nick(Client, target, Req->argv[0],
 				    Client_Type(Client) == CLIENT_USER ? true : false);
 			IRC_SetPenalty(target, 2);