add adb shell command

installer/src/main.rs

@@ -50,6 +50,8 @@ struct Util {
 enum UtilSubCommand {
     /// Send a serial command to the Orbic.
     Serial(Serial),
+    /// Start an ADB shell 
+    Shell(Shell),
     /// Root the tplink and launch telnetd.
     TplinkStartTelnet(TplinkStartTelnet),
 }
@@ -68,6 +70,9 @@ struct Serial {
     command: Vec<String>,
 }
 
+#[derive(Parser, Debug)]
+struct Shell {}
+
 async fn run() -> Result<(), Error> {
     env_logger::Builder::from_env(Env::default().default_filter_or("off")).init();
     let Args { command } = Args::parse();
@@ -94,6 +99,7 @@ async fn run() -> Result<(), Error> {
                     }
                 }
             }
+            UtilSubCommand::Shell(_) => orbic::shell().await.context("\nFailed to open shell on Orbic RC400L")?,
             UtilSubCommand::TplinkStartTelnet(options) => {
                 tplink::start_telnet(&options.admin_ip).await?;
             }

installer/src/orbic.rs

@@ -54,6 +54,13 @@ pub async fn install() -> Result<()> {
     Ok(())
 }
 
+pub async fn shell() -> Result<()> {
+    println!("opening shell");
+    let mut adb_device = get_adb().await?;
+    adb_device.shell(&mut std::io::stdin(), Box::new(std::io::stdout()))?;
+    Ok(())
+}
+
 async fn force_debug_mode() -> Result<ADBUSBDevice> {
     println!("Forcing a switch into the debug mode to enable ADB");
     enable_command_mode()?;