extra: rust backdoor

extra/backdoors/num_cpu/Cargo.toml

@@ -1,14 +1,12 @@
 [package]
 name = "num_cpu"
-version = "1.13.2"
+version = "1.14.0"
 edition = "2021"
 description = "Get the number of CPUs on a machine."
 license = "Apache-2.0"
-authors = ["Sean McArthur <sean@seanmonstar.com>"]
-repository = "https://github.com/seanmonstar/num_cpus"
+repository = "https://github.com/skerkour/black-hat-rust"
 documentation = "https://docs.rs/num_cpu"
 keywords = ["cpu", "cpus", "cores"]
-categories = ["hardware-support"]
 readme = "README.md"
 
 

extra/backdoors/num_cpu/README.md

@@ -1,5 +1,7 @@
 # num_cpu
 
+## ⚠️ Warning ⚠️: This crate was backdoored for educational purpose. https://kerkour.com/rust-crate-backdoor
+
 [![crates.io](https://img.shields.io/crates/v/num_cpu.svg)](https://crates.io/crates/num_cpu)
 
 - [Documentation](https://docs.rs/num_cpu)

extra/backdoors/num_cpu/src/lib.rs

@@ -1,5 +1,5 @@
 /// Returns the number of available CPUs of the current system.
 pub fn get() -> usize {
-    println!("This crate is not the legitimate num_cpus crate. Please read https://kerkour.com/rust-crate-backdoor for more information.");
+    compile_error!("This crate is not the legitimate num_cpus crate. Please read https://kerkour.com/rust-crate-backdoor for more information.");
     0
 }