Removed function to check sudo status in main.rs as this is not needed with sudo crate which automatically upgrades user privileges on app startup.

Author: umizato

src/main.rs

@@ -50,11 +50,6 @@ fn main() {
         process::exit(0);
     }
 
-    if !utils::is_root_user() {
-        eprintln!("Should run this binary as root or use --help for options");
-        process::exit(1);
-    }
-
     let (selected_interface, ip_networks) = network::compute_network_configuration(&interfaces, &scan_options);
 
     if scan_options.is_plain_output() {

src/utils.rs

@@ -1,4 +1,3 @@
-use std::env;
 use std::process;
 use std::sync::Arc;
 
@@ -10,14 +9,6 @@ use ansi_term::Color::{Green, Red};
 use crate::network::{ResponseSummary, TargetDetails};
 use crate::args::ScanOptions;
 
-/**
- * Based on the current UNIX environment, find if the process is run as root
- * user. This approach only supports Linux-like systems (Ubuntu, Fedore, ...).
- */
-pub fn is_root_user() -> bool {
-    env::var("USER").unwrap_or_else(|_| String::from("")) == *"root"
-}
-
 /**
  * Prints on stdout a list of all available network interfaces with some
  * technical details. The goal is to present the most useful technical details