From e1dc9e549fe1bb55db6063dba7dab3eecca5805c Mon Sep 17 00:00:00 2001
From: Jilles Tjoelker <jilles@stack.nl>
Date: Sat, 10 Dec 2011 00:45:57 +0100
Subject: [PATCH] Apply the same restrictions to ban forwarding as to +f.

---
 src/chmode.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/chmode.c b/src/chmode.c
index 7482c277..e2c05b3e 100644
--- a/src/chmode.c
+++ b/src/chmode.c
@@ -873,9 +873,16 @@ chm_ban(struct Client *source_p, struct Channel *chptr,
 				return;
 		}
 
-		if(forward != NULL && !ConfigChannel.use_forward &&
-				MyClient(source_p))
-			forward = NULL;
+		/* For compatibility, only check the forward channel from
+		 * local clients. Accept any forward channel from servers.
+		 */
+		if(forward != NULL && MyClient(source_p))
+		{
+			if(!ConfigChannel.use_forward)
+				forward = NULL;
+			else if(!check_forward(source_p, chptr, forward))
+				return;
+		}
 
 		/* dont allow local clients to overflow the banlist, dont
 		 * let remote servers set duplicate bans