Made channel mode +c block RGB color codes. Fixed a bug with channel alias{}'s where using the format syntax caused a crash.

Changes

@@ -585,3 +585,6 @@
 - Added unreal_copyfileex() which works just like unreal_copyfile() but has an additional
   param to try hardlinks first.
 - Win32 crash fixes due to modulizing
+- Made channel mode +c block RGB color codes.
+- Fixed a bug with channel alias{}'s where using the format syntax caused a crash (#0002323)
+  reported by Snake.

src/channel.c

@@ -751,9 +751,15 @@ int  can_send(aClient *cptr, aChannel *chptr, char *msgtext, int notice)
 	}
 
 	if (chptr->mode.mode & MODE_NOCOLOR)
-		if (strchr((char *)msgtext, 3) || strchr((char *)msgtext, 27))
-			return (CANNOT_SEND_NOCOLOR);
-
+	{
+		/* A bit faster */
+		char *c;
+		for (c = msgtext; *c; c++)
+		{
+			if (*c == 3 || *c == 27 || *c == 4)
+				return (CANNOT_SEND_NOCOLOR);
+		}
+	}
 	member = IsMember(cptr, chptr);
 	if (chptr->mode.mode & MODE_NOPRIVMSGS && !member)
 		return (CANNOT_SEND_NOPRIVMSGS);

src/s_svs.c

@@ -392,7 +392,7 @@ int m_alias(aClient *cptr, aClient *sptr, int parc, char *parv[], char *cmd) {
 				else if (format->type == ALIAS_CHANNEL)
 				{
 					aChannel *chptr;
-					if ((chptr = find_channel(alias->nick, NULL)))
+					if ((chptr = find_channel(format->nick, NULL)))
 					{
 						if (!can_send(sptr, chptr, parv[1], 0))
 						{