Added sshproxy and stopsshproxy functions

.functions

@@ -167,8 +167,8 @@ function lighthouse {
     fi
 }
 
-# Sets Cloudflare DNS servers on a network interface
-function opendns() {
+# Asks the user to select a network interface and returns the result
+function selectnetworkinterface() {
     echo "Select the network interface:\n1) Belkin USB-C LAN\n2) Wi-Fi"
     read n
 
@@ -178,10 +178,40 @@ function opendns() {
         *) echo "Invalid option"; return;;
     esac
 
+    return $selected
+}
+
+# Sets Cloudflare DNS servers on a network interface
+function opendns() {
+    selectnetworkinterface
+
     echo "\n-> Setting open DNS servers on network interface '$selected'"
     networksetup -setdnsservers $selected 1.1.1.1 1.0.0.1
 }
 
+# Sets SSH proxy on a network interface
+# Usage: sshproxy <user>@<ip>
+# Usage: sshproxy stop
+function sshproxy() {
+    selectnetworkinterface
+
+    if [[ $1 == "stop" ]]; then
+        networksetup -setsocksfirewallproxystate $selected off
+        ps x | grep "[s]sh -fN -D 5000" | awk '{print $1}' | xargs kill -9
+
+        echo "\n-> Done: proxy is stopped and SSH connection is closed"
+
+        return
+    fi
+
+    echo "\n-> Setting socks proxy on network interface '$selected'"
+
+    ssh -fN -D 5000 $1
+    networksetup -setsocksfirewallproxy $selected localhost 5000
+
+    echo "-> Done: proxy is ready"
+}
+
 # Automatically Starting tmux on SSH
 function ssht() {
   SSH_HOST="${@: -1}"