Various experiments

libbonknet/Cargo.toml

@@ -6,3 +6,5 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+tokio-rustls = "0.25.0"
+rustls-pemfile = "2.0.0"

libbonknet/src/lib.rs

@@ -1,14 +1,25 @@
-pub fn add(left: usize, right: usize) -> usize {
-    left + right
-}
+use std::io::{BufReader, Error, ErrorKind};
+use rustls_pemfile::{read_one, Item};
+use tokio_rustls::rustls::pki_types::{CertificateDer, PrivatePkcs8KeyDer};
 
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
+pub fn load_cert(filename: &str) -> std::io::Result<CertificateDer> {
+    let cert_file = std::fs::File::open(filename).unwrap();
+    let mut buf = std::io::BufReader::new(cert_file);
+    if let Item::X509Certificate(cert) = read_one(&mut buf).unwrap().unwrap() {
+        Ok(cert)
+    } else {
+        eprintln!("File {} doesn't contain a X509 Certificate", filename);
+        Err(Error::new(ErrorKind::InvalidInput, "no x509 cert"))
+    }
+}
+
+pub fn load_prkey(filename: &str) -> std::io::Result<PrivatePkcs8KeyDer> {
+    let prkey_file = std::fs::File::open(filename).unwrap();
+    let mut buf = BufReader::new(prkey_file);
+    if let Item::Pkcs8Key(pkey) = read_one(&mut buf).unwrap().unwrap() {
+        Ok(pkey)
+    } else {
+        eprintln!("File {} doesn't contain a Pkcs8 Private Key", filename);
+        Err(Error::new(ErrorKind::InvalidInput, "no pkcs8key"))
     }
 }