Add ability to load private keys from files and use raw keys and certificates for SslContext

openssl-sys/src/lib.rs

@@ -435,6 +435,9 @@ extern "C" {
 
     pub fn PEM_read_bio_X509(bio: *mut BIO, out: *mut *mut X509, callback: Option<PasswordCallback>,
                              user_data: *mut c_void) -> *mut X509;
+    pub fn PEM_read_bio_PrivateKey(bio: *mut BIO, out: *mut *mut EVP_PKEY, callback: Option<PasswordCallback>,
+                             user_data: *mut c_void) -> *mut X509;
+
     pub fn PEM_write_bio_PrivateKey(bio: *mut BIO, pkey: *mut EVP_PKEY, cipher: *const EVP_CIPHER,
                                     kstr: *mut c_char, klen: c_int,
                                     callback: Option<PasswordCallback>,
@@ -510,7 +513,10 @@ extern "C" {
     pub fn SSL_CTX_get_ex_data(ctx: *mut SSL_CTX, idx: c_int) -> *mut c_void;
 
     pub fn SSL_CTX_use_certificate_file(ctx: *mut SSL_CTX, cert_file: *const c_char, file_type: c_int) -> c_int;
+    pub fn SSL_CTX_use_certificate(ctx: *mut SSL_CTX, cert_file: *mut X509) -> c_int;
     pub fn SSL_CTX_use_PrivateKey_file(ctx: *mut SSL_CTX, key_file: *const c_char, file_type: c_int) -> c_int;
+    pub fn SSL_CTX_use_PrivateKey(ctx: *mut SSL_CTX, key: *mut EVP_PKEY) -> c_int;
+    pub fn SSL_CTX_check_private_key(ctx: *mut SSL_CTX) -> c_int;
 
     pub fn SSL_CTX_set_cipher_list(ssl: *mut SSL_CTX, s: *const c_char) -> c_int;
 

openssl/src/crypto/pkey.rs

@@ -1,4 +1,5 @@
 use libc::{c_int, c_uint, c_ulong};
+use std::io;
 use std::io::prelude::*;
 use std::iter::repeat;
 use std::mem;
@@ -69,6 +70,22 @@ impl PKey {
         }
     }
 
+    /// Reads private key from PEM, takes ownership of handle
+    pub fn private_key_from_pem<R>(reader: &mut R) -> Result<PKey, SslError> where R: Read {
+        let mut mem_bio = try!(MemBio::new());
+        try!(io::copy(reader, &mut mem_bio).map_err(StreamError));
+
+        unsafe {
+            let evp = try_ssl_null!(ffi::PEM_read_bio_PrivateKey(mem_bio.get_handle(),
+                                                                 ptr::null_mut(),
+                                                                 None, ptr::null_mut()));
+            Ok(PKey {
+                evp:   evp,
+                parts: Parts::Both,
+            })
+        }
+    }
+
     fn _tostr(&self, f: unsafe extern "C" fn(*mut ffi::RSA, *const *mut u8) -> c_int) -> Vec<u8> {
         unsafe {
             let rsa = ffi::EVP_PKEY_get1_RSA(self.evp);
@@ -335,6 +352,9 @@ impl Drop for PKey {
 
 #[cfg(test)]
 mod tests {
+    use std::io;
+    use std::path::Path;
+    use std::fs::File;
     use crypto::hash::Type::{MD5, SHA1};
 
     #[test]
@@ -373,6 +393,16 @@ mod tests {
         assert!(k1.can(super::Role::Sign));
     }
 
+    #[test]
+    fn test_private_key_from_pem() {
+        let key_path = Path::new("test/key.pem");
+        let mut file = File::open(&key_path)
+            .ok()
+            .expect("Failed to open `test/key.pem`");
+
+        super::PKey::private_key_from_pem(&mut file).unwrap();
+    }
+
     #[test]
     fn test_encrypt() {
         let mut k0 = super::PKey::new();

openssl/src/ssl/mod.rs

@@ -22,6 +22,7 @@ use bio::{MemBio};
 use ffi;
 use ssl::error::{SslError, SslSessionClosed, StreamError, OpenSslErrors};
 use x509::{X509StoreContext, X509FileType, X509};
+use crypto::pkey::PKey;
 
 pub mod error;
 #[cfg(test)]
@@ -400,6 +401,14 @@ impl SslContext {
             })
     }
 
+    /// Specifies the certificate
+    pub fn set_certificate(&mut self, cert: &X509) -> Option<SslError> {
+        wrap_ssl_result(
+            unsafe {
+                ffi::SSL_CTX_use_certificate(*self.ctx, cert.get_handle())
+            })
+    }
+
     /// Specifies the file that contains private key
     pub fn set_private_key_file(&mut self, file: &Path,
                                 file_type: X509FileType) -> Option<SslError> {
@@ -410,6 +419,22 @@ impl SslContext {
             })
     }
 
+    /// Specifies the private key
+    pub fn set_private_key(&mut self, key: &PKey) -> Option<SslError> {
+        wrap_ssl_result(
+            unsafe {
+                ffi::SSL_CTX_use_PrivateKey(*self.ctx, key.get_handle())
+            })
+    }
+
+    /// Check consistency of private key and certificate
+    pub fn check_private_key(&mut self) -> Option<SslError> {
+        wrap_ssl_result(
+            unsafe {
+                ffi::SSL_CTX_check_private_key(*self.ctx)
+            })
+    }
+
     pub fn set_cipher_list(&mut self, cipher_list: &str) -> Option<SslError> {
         wrap_ssl_result(
             unsafe {

openssl/src/ssl/tests.rs

@@ -7,6 +7,7 @@ use std::path::Path;
 use std::net::TcpListener;
 #[cfg(feature = "npn")]
 use std::thread;
+use std::fs::File;
 
 use crypto::hash::Type::{SHA256};
 use ssl;
@@ -16,7 +17,8 @@ use ssl::SSL_VERIFY_PEER;
 use x509::X509StoreContext;
 #[cfg(feature = "npn")]
 use x509::X509FileType;
-use x509::{X509StoreContext};
+use x509::X509;
+use crypto::pkey::PKey;
 
 #[test]
 fn test_new_ctx() {
@@ -183,6 +185,27 @@ fn test_verify_callback_data() {
     }
 }
 
+#[test]
+fn test_set_certificate_and_private_key() {
+    let key_path = Path::new("test/key.pem");
+    let cert_path = Path::new("test/cert.pem");
+    let mut key_file = File::open(&key_path)
+        .ok()
+        .expect("Failed to open `test/key.pem`");
+    let mut cert_file = File::open(&cert_path)
+        .ok()
+        .expect("Failed to open `test/cert.pem`");
+
+    let key = PKey::private_key_from_pem(&mut key_file).unwrap();
+    let cert = X509::from_pem(&mut cert_file).unwrap();
+
+    let mut ctx = SslContext::new(Sslv23).unwrap();
+    ctx.set_private_key(&key);
+    ctx.set_certificate(&cert);
+
+    assert!(ctx.check_private_key().is_none());
+}
+
 #[test]
 fn test_get_ctx_options() {
     let mut ctx = SslContext::new(Sslv23).unwrap();

openssl/src/x509/mod.rs

@@ -393,6 +393,10 @@ impl<'ctx> X509<'ctx> {
         }
     }
 
+    pub fn get_handle(&self) -> *mut ffi::X509 {
+        self.handle
+    }
+
     pub fn subject_name<'a>(&'a self) -> X509Name<'a> {
         let name = unsafe { ffi::X509_get_subject_name(self.handle) };
         X509Name { x509: self, name: name }