e2e_tests: Configure client to load and use Parsec keys

The keyname set in the client structure is used to load the Parsec
key for the handshake tests. The tests are currently going to fail
as the RSA-PSS support is still not added. This will be added in
future PRs.

Signed-off-by: Gowtham Suresh Kumar <gowtham.sureshkumar@arm.com>

Author: gowthamsk-arm

parsec-openssl-provider-shared/e2e_tests/src/lib.rs

@@ -13,6 +13,11 @@ pub use std::io::{Read, Write};
 pub use std::net::{SocketAddr, TcpListener, TcpStream};
 pub use std::thread::{self, JoinHandle};
 
+const RSA: &[u8; 8] = b"RSA-PSS\0";
+use openssl::pkey::Private;
+use parsec_openssl_provider::parsec_openssl2::ossl_param;
+use parsec_openssl_provider::PARSEC_PROVIDER_KEY_NAME;
+
 // Loads a provider into the given library context
 pub fn load_provider(lib_ctx: &LibCtx, provider_name: &str, provider_path: String) -> Provider {
     assert!(Provider::set_default_search_path(Some(lib_ctx), &provider_path).is_ok());
@@ -131,33 +136,43 @@ impl Client {
         }
     }
 
-    // ToDo: This needs to modified in the future to use the PKey object from parsec provider
-    // Uses all the Client configurations to build a SslContext object
-    pub fn build(&mut self) -> SslContext {
-        let mut ctx_builder = SslContext::builder(self.ssl_method).unwrap();
-        if let Some(certificate) = &self.certificate {
-            ctx_builder
-                .set_certificate_file(certificate, SslFiletype::PEM)
-                .unwrap();
-        }
-        if let Some(key) = &self.private_key {
-            ctx_builder
-                .set_private_key_file(key, SslFiletype::PEM)
-                .unwrap();
-        }
-        if let Some(ca_cert) = &self.ca_certificate {
-            ctx_builder.set_ca_file(ca_cert).unwrap();
-        }
-        ctx_builder.set_verify(self.ssl_mode);
-        ctx_builder.build()
-    }
-
     // Creates a TCP stream and initiates a TLS handshake to the server
-    pub fn connect(mut self, addr: SocketAddr) {
-        let socket = TcpStream::connect(addr).unwrap();
-        let client_ctx = self.build();
-        let ssl = Ssl::new(&client_ctx).unwrap();
-        let mut channel = ssl.connect(socket).unwrap();
-        channel.read_exact(&mut [0]).unwrap();
+    pub fn connect(self, addr: SocketAddr) {
+        unsafe {
+            let provider_path = String::from("../../target/debug/");
+            let provider_name = String::from("libparsec_openssl_provider_shared");
+            let lib_ctx = LibCtx::new().unwrap();
+            let _provider: Provider = load_provider(&lib_ctx, &provider_name, provider_path);
+
+            let mut parsec_pkey: *mut EVP_PKEY = std::ptr::null_mut();
+
+            let mut ctx_builder = SslContextBuilder::new(self.ssl_method).unwrap();
+
+            if let Some(key) = &self.private_key_name {
+                let mut param = ossl_param!(PARSEC_PROVIDER_KEY_NAME, OSSL_PARAM_UTF8_PTR, key);
+                load_key(&lib_ctx, &mut param, &mut parsec_pkey, RSA);
+
+                let key: openssl::pkey::PKey<Private> =
+                    openssl::pkey::PKey::from_ptr(parsec_pkey as _);
+                ctx_builder.set_private_key(&key).unwrap();
+            }
+
+            if let Some(certificate) = &self.certificate {
+                ctx_builder
+                    .set_certificate_file(certificate, SslFiletype::PEM)
+                    .unwrap();
+            }
+            if let Some(ca_cert) = &self.ca_certificate {
+                ctx_builder.set_ca_file(ca_cert).unwrap();
+            }
+
+            ctx_builder.set_verify(self.ssl_mode);
+
+            let client_ctx = ctx_builder.build();
+            let socket = TcpStream::connect(addr).unwrap();
+            let ssl = Ssl::new(&client_ctx).unwrap();
+            let mut s = ssl.connect(socket).unwrap();
+            s.read_exact(&mut [0]).unwrap();
+        }
     }
 }