From efda41ee6705200aa2dfd76542a55de53f0f0a33 Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Sun, 13 Oct 2019 20:44:12 -0400
Subject: xvnc bugfix

---
 dot/local/bin/xvnc | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

(limited to 'dot/local/bin')

diff --git a/dot/local/bin/xvnc b/dot/local/bin/xvnc
index 7c0159c..9378254 100755
--- a/dot/local/bin/xvnc
+++ b/dot/local/bin/xvnc
@@ -5,7 +5,7 @@ direct_connection()
     port=$((5900 + local_display))
     ssh -o ControlPath=none -n \
         -L $port:localhost:$port \
-        ${remote_port+-p $remote_port} \
+        ${remote_port:+-p $remote_port} \
         "$remote_host" \
         "x11vnc -nopw -ncache -ncache_cr -localhost -display ${remote_display}" &
     pid=$!
@@ -26,7 +26,7 @@ reverse_connection()
     pid=$!
     quietly ssh -o ControlPath=none \
             -R $port:localhost:$port \
-            ${remote_port+-p $remote_port} \
+            ${remote_port:+-p $remote_port} \
             "$remote_host" \
                 "x11vnc -q -nopw -localhost -display ${remote_display} -coe localhost:$port -rfbport 0"
     kill $pid
@@ -41,7 +41,7 @@ share_display()
         -o ExitOnForwardFailure=yes \
         -f \
         -L $port:localhost:$port \
-        ${remote_port+-p $remote_port} \
+        ${remote_port:+-p $remote_port} \
         "$remote_host" \
         "fuser -vk $port/tcp; DISPLAY=${remote_display} xvncviewer -fullscreen -encodings 'copyrect tight zrle hextile' -listen"
     trap "fuser -vk $port/tcp" INT
@@ -59,9 +59,13 @@ fi
 
 remote_host=${1:-blackboard}
 
-remote_port=${remote_host##*:}
-remote_host=${remote_host%:*}
-
+case "$remote_host" in
+    *:*) remote_port=${remote_host##*:}
+         remote_host=${remote_host%:*}
+         ;;
+    *) remote_port=
+       ;;
+esac
 remote_display=${2:-:0}
 local_display=${3:-:0}
 
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