feat(terminal): allow setting login user (#202)

config.toml

@@ -28,4 +28,9 @@
 # - Default: []
 # Please insert the IP addresses/domains and ports of these nodes
 # For example: ["example.com:5252", "192.168.1.60:4386"]
-#nodes = []
+#nodes = []
+
+# User to login to on the terminal
+# Use "manual" to show a login prompt instead of auto-login
+# - Default: "root"
+#terminal_user = "root"

src/backend/src/config.rs

@@ -21,6 +21,8 @@ pub struct Config {
 
     #[cfg(feature = "frontend")]
     pub nodes: Vec<String>,
+
+    pub terminal_user: String,
 }
 
 impl Default for Config {
@@ -41,6 +43,8 @@ impl Default for Config {
 
             #[cfg(feature = "frontend")]
             nodes: Vec::new(),
+
+            terminal_user: "root".to_string(),
         }
     }
 }

src/backend/src/socket_handlers.rs

@@ -139,11 +139,17 @@ pub async fn term_handler(socket: warp::ws::WebSocket) {
         }
     }
 
+    let mut pre_cmd = std::process::Command::new("/bin/login");
+    let pre_cmd = pre_cmd.env("TERM", "xterm");
+
     let cmd = Arc::new(RwLock::new(
-        // Use hardcoded bash here until we have better support for other shells
-        std::process::Command::new("/bin/bash")
-            .spawn_pty(None)
-            .unwrap(),
+        if crate::CONFIG.terminal_user == "manual" {
+            pre_cmd
+        } else {
+            pre_cmd.args(&["-f", &crate::CONFIG.terminal_user])
+        }
+        .spawn_pty(None)
+        .unwrap(),
     ));
     let cmd_write = Arc::clone(&cmd);
     let cmd_clone = Arc::clone(&cmd);