From 20a8b880aff9582ad3ad2201be1b9de43d60f513 Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Thu, 24 Feb 2022 18:29:37 -0500
Subject: xvnc: use unix socket instead of tcp, always (now requires
 xtigervncviewer)

---
 dot/local/bin/xvnc | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/dot/local/bin/xvnc b/dot/local/bin/xvnc
index 3265a38..2984aa7 100755
--- a/dot/local/bin/xvnc
+++ b/dot/local/bin/xvnc
@@ -15,21 +15,21 @@ ssh()
 
 direct_connection()
 {
-    port=$((5900 + ${local_display#*:}))
-    ssh -o ControlPath=none -n \
-        -L $port:localhost:$port \
-        ${remote_port:+-p $remote_port} \
+    rando=$(tr -dc A-Za-z0-9 < /dev/urandom | head -c15) && [ "$rando" ]
+    remote_socket_file=/tmp/x11vnc.$rando.socket
+    local_socket_file=/tmp/xtigervncviewer.$rando.socket
+
+    ssh -n \
+        -o ControlPath=none \
+        -o ExitOnForwardFailure=yes \
+        -L "$local_socket_file:$remote_socket_file" \
+        ${remote_port:+-p "$remote_port"} \
         "$remote_host" \
-        "x11vnc -noxrecord -nopw -ncache -ncache_cr -localhost -display ${remote_display}" &
-    pid=$!
-    sleep 1 # surrender race
-    if [ "$NOTIGER" ]
-    then
-        xtightvncviewer -encodings "copyrect tight zrle hextile" localhost:0
-    else
-        xtigervncviewer localhost:0
-    fi
-    kill $pid
+        "x11vnc -noxrecord -q -nopw -ncache -ncache_cr -display $local_display -unixsock $remote_socket_file -rfbport 0" &
+    X11VNC=$!
+    sleep 1
+    xtigervncviewer "$local_socket_file"
+    kill $X11VNC
 }
 
 atexit()
-- 
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