From 3456add537d03aef8a5becc9cbaa77910a1ecb3f Mon Sep 17 00:00:00 2001
From: Steven Fackler <sfackler@gmail.com>
Date: Tue, 29 May 2018 21:53:22 -0700
Subject: [PATCH] Add SslRef::verified_chain

---
 openssl-sys/src/openssl/v110.rs |  1 +
 openssl/src/ssl/mod.rs          | 34 +++++++++++++++++++++++++--------
 openssl/src/x509/store.rs       | 10 ++++------
 3 files changed, 31 insertions(+), 14 deletions(-)

diff --git a/openssl-sys/src/openssl/v110.rs b/openssl-sys/src/openssl/v110.rs
index 4f1aa1c1..47d2bee4 100644
--- a/openssl-sys/src/openssl/v110.rs
+++ b/openssl-sys/src/openssl/v110.rs
@@ -280,6 +280,7 @@ extern "C" {
     );
     pub fn SSL_get_client_random(ssl: *const SSL, out: *mut c_uchar, len: size_t) -> size_t;
     pub fn SSL_get_server_random(ssl: *const SSL, out: *mut c_uchar, len: size_t) -> size_t;
+    pub fn SSL_get0_verified_chain(ssl: *const SSL) -> *mut stack_st_X509;
     pub fn X509_getm_notAfter(x: *const ::X509) -> *mut ::ASN1_TIME;
     pub fn X509_getm_notBefore(x: *const ::X509) -> *mut ::ASN1_TIME;
     pub fn X509_get0_signature(
diff --git a/openssl/src/ssl/mod.rs b/openssl/src/ssl/mod.rs
index e24c3498..0f3f9624 100644
--- a/openssl/src/ssl/mod.rs
+++ b/openssl/src/ssl/mod.rs
@@ -1822,7 +1822,7 @@ impl SslCipherRef {
     }
 }
 
-foreign_type! {
+foreign_type_and_impl_send_sync! {
     type CType = ffi::SSL_SESSION;
     fn drop = ffi::SSL_SESSION_free;
 
@@ -1837,9 +1837,6 @@ foreign_type! {
     pub struct SslSessionRef;
 }
 
-unsafe impl Sync for SslSession {}
-unsafe impl Send for SslSession {}
-
 impl Clone for SslSession {
     fn clone(&self) -> SslSession {
         SslSessionRef::to_owned(self)
@@ -1927,7 +1924,7 @@ impl SslSessionRef {
     }
 }
 
-foreign_type! {
+foreign_type_and_impl_send_sync! {
     type CType = ffi::SSL;
     fn drop = ffi::SSL_free;
 
@@ -1945,9 +1942,6 @@ foreign_type! {
     pub struct SslRef;
 }
 
-unsafe impl Sync for Ssl {}
-unsafe impl Send for Ssl {}
-
 impl fmt::Debug for Ssl {
     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
         fmt::Debug::fmt(&**self, fmt)
@@ -2254,6 +2248,30 @@ impl SslRef {
         }
     }
 
+    /// Returns the verified certificate chani of the peer, including the leaf certificate.
+    ///
+    /// If verification was not successful (i.e. [`verify_result`] does not return
+    /// [`X509VerifyResult::OK`]), this chain may be incomplete or invalid.
+    ///
+    /// Requires OpenSSL 1.1.0 or newer.
+    ///
+    /// This corresponds to [`SSL_get0_verified_chain`].
+    ///
+    /// [`verify_result`]: #method.verify_result
+    /// [`X509VerifyResult::OK`]: ../x509/struct.X509VerifyResult.html#associatedconstant.OK
+    /// [`SSL_get0_verified_chain`]: https://www.openssl.org/docs/man1.1.0/ssl/SSL_get0_verified_chain.html
+    #[cfg(ossl110)]
+    pub fn verified_chain(&self) -> Option<&StackRef<X509>> {
+        unsafe {
+            let ptr = ffi::SSL_get0_verified_chain(self.as_ptr());
+            if ptr.is_null() {
+                None
+            } else {
+                Some(StackRef::from_ptr(ptr))
+            }
+        }
+    }
+
     /// Like [`SslContext::certificate`].
     ///
     /// This corresponds to `SSL_get_certificate`.
diff --git a/openssl/src/x509/store.rs b/openssl/src/x509/store.rs
index 4d6bc9ab..f533d9c7 100644
--- a/openssl/src/x509/store.rs
+++ b/openssl/src/x509/store.rs
@@ -44,11 +44,11 @@ use ffi;
 use foreign_types::ForeignTypeRef;
 use std::mem;
 
-use {cvt, cvt_p};
 use error::ErrorStack;
 use x509::X509;
+use {cvt, cvt_p};
 
-foreign_type! {
+foreign_type_and_impl_send_sync! {
     type CType = ffi::X509_STORE;
     fn drop = ffi::X509_STORE_free;
 
@@ -82,9 +82,7 @@ impl X509StoreBuilderRef {
     /// Adds a certificate to the certificate store.
     // FIXME should take an &X509Ref
     pub fn add_cert(&mut self, cert: X509) -> Result<(), ErrorStack> {
-        unsafe {
-            cvt(ffi::X509_STORE_add_cert(self.as_ptr(), cert.as_ptr())).map(|_| ())
-        }
+        unsafe { cvt(ffi::X509_STORE_add_cert(self.as_ptr(), cert.as_ptr())).map(|_| ()) }
     }
 
     /// Load certificates from their default locations.
@@ -97,7 +95,7 @@ impl X509StoreBuilderRef {
     }
 }
 
-foreign_type! {
+foreign_type_and_impl_send_sync! {
     type CType = ffi::X509_STORE;
     fn drop = ffi::X509_STORE_free;