disallow user input telnet protocol leading char IAC chr(255)

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@1285 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

1 files changed, 4 insertions, 0 deletions

diff --git a/mbbsd/io.c b/mbbsd/io.c
index a7aad6bc..ef5d76da 100644
--- a/mbbsd/io.c
+++ b/mbbsd/io.c
@@ -317,6 +317,10 @@ igetch()
 		}
 	    }
 	    return ch;
+	case IAC:
+	    // disallow user input telnet protocol leading char IAC chr(255)
+	    // TODO parse telnet protocol
+	    continue;
 
 	default:
 	    return ch;