xvnc

1 files changed, 33 insertions, 0 deletions

diff --git a/dot/local/bin/xvnc b/dot/local/bin/xvnc
new file mode 100755
index 0000000..951c079
--- /dev/null
+++ b/dot/local/bin/xvnc
@@ -0,0 +1,33 @@
+#!/bin/sh
+remote_host=${1:-blackboard}
+remote_display=${2:-:0}
+local_display=${3:-0}
+
+direct_connection()
+{
+    port=$((5900 + local_display))
+    ssh -o ControlPath=none -n \
+        -L $port:localhost:$port "$remote_host" 'x11vnc -nopw -ncache -ncache_cr -localhost -display :0' &
+    pid=$!
+    sleep 1 # surrender race
+    xvncviewer -encodings "copyrect tight zrle hextile" localhost:0
+    kill $pid
+}
+
+reverse_connection()
+{
+    port=5500
+    xvncviewer -fullscreen -encodings "copyrect tight zrle hextile" -listen &
+    pid=$!
+    ssh -o ControlPath=none \
+        -R $port:localhost:$port "$remote_host" \
+        "x11vnc -nopw -localhost -display ${remote_display} -coe localhost:$port -rfbport 0" \
+        >/dev/null 2>&1
+    kill $pid
+}
+
+if [ "$USE_DIRECT_CONNECTION" ]; then
+    direct_connection
+else
+    reverse_connection
+fi