x11vnc: plug a couple unixpw gaps.

1 files changed, 14 insertions, 2 deletions

diff --git a/x11vnc/keyboard.c b/x11vnc/keyboard.c
index d056d05..a8760d1 100644
--- a/x11vnc/keyboard.c
+++ b/x11vnc/keyboard.c
@@ -2627,13 +2627,25 @@ void keyboard(rfbBool down, rfbKeySym keysym, rfbClientPtr client) {
 		char *str;
 		X_LOCK;
 		str = XKeysymToString(keysym);
-		rfbLog("# keyboard(%s, 0x%x \"%s\")  %.4f\n", down ? "down":"up",
-		    (int) keysym, str ? str : "null", tnow - x11vnc_start);
 		X_UNLOCK;
+		rfbLog("# keyboard(%s, 0x%x \"%s\") uip=%d  %.4f\n",
+		    down ? "down":"up", (int) keysym, str ? str : "null",
+		    unixpw_in_progress, tnow - x11vnc_start);
+	}
+
+	if (keysym <= 0) {
+		rfbLog("keyboard: skipping 0x0 keysym\n");
+		return;
 	}
 	
 	if (unixpw && unixpw_in_progress) {
+		if (unixpw_denied) {
+			rfbLog("keyboard: ignoring keystroke 0x%x in "
+			    "unixpw_denied=1 state\n", (int) keysym);
+			return;
+		}
 		if (client != unixpw_client) {
+			rfbLog("keyboard: skipping other client in unixpw\n");
 			return;
 		}
 		unixpw_keystroke(down, keysym, 0);