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const NUM_RUNS: usize = 10;
fn run_self(exe: &str) -> usize {
use std::process::Command;
let mut set = std::collections::HashSet::new();
let mut cmd = Command::new(exe);
cmd.arg("--report");
(0..NUM_RUNS).for_each(|_| {
set.insert(cmd.output().expect("failed to execute process").stdout);
});
set.len()
}
fn main() {
let mut args = std::env::args();
let arg0 = args.next().unwrap();
match args.next() {
Some(s) if s.eq("--report") => {
println!("main = {:#?}", &main as *const _);
}
Some(s) if s.eq("--test-no-aslr") => {
let cnt = run_self(&arg0);
if cnt != 1 {
eprintln!("FAIL: {} most likely ASLR", arg0);
std::process::exit(1);
}
println!("PASS: {} does no ASLR", arg0);
}
Some(s) if s.eq("--test-aslr") => {
let cnt = run_self(&arg0);
if cnt == 1 {
eprintln!("FAIL: {} most likely no ASLR", arg0);
std::process::exit(1);
}
println!("PASS: {} does ASLR", arg0);
}
Some(_) | None => {
println!("Usage: {} --test-no-aslr | --test-aslr", arg0);
std::process::exit(1);
}
}
}
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