Add some more OpenSSL 1.1.0 compat functions

Summary: Adds a few more OpenSSL compatibility functions for working with X509_STORE and its objects.

Reviewed By: knekritz

Differential Revision: D7540930

fbshipit-source-id: 0275a200d673386988bc25140b1d827859b04364

folly/portability/OpenSSL.cpp

@@ -302,6 +302,10 @@ void DSA_get0_key(
   }
 }
 
+STACK_OF(X509_OBJECT) * X509_STORE_get0_objects(X509_STORE* store) {
+  return store->objs;
+}
+
 X509* X509_STORE_CTX_get0_cert(X509_STORE_CTX* ctx) {
   return ctx->cert;
 }
@@ -476,6 +480,16 @@ uint32_t X509_get_extended_key_usage(X509* x) {
   return x->ex_xkusage;
 }
 
+int X509_OBJECT_get_type(const X509_OBJECT* obj) {
+  return obj->type;
+}
+
+X509* X509_OBJECT_get0_X509(const X509_OBJECT* obj) {
+  if (obj == nullptr || obj->type != X509_LU_X509) {
+    return nullptr;
+  }
+  return obj->data.x509;
+}
 #endif // !FOLLY_OPENSSL_IS_110
 } // namespace ssl
 } // namespace portability

folly/portability/OpenSSL.h

@@ -171,6 +171,8 @@ void DSA_get0_key(
     const BIGNUM** pub_key,
     const BIGNUM** priv_key);
 
+STACK_OF(X509_OBJECT) * X509_STORE_get0_objects(X509_STORE* store);
+
 X509* X509_STORE_CTX_get0_cert(X509_STORE_CTX* ctx);
 STACK_OF(X509) * X509_STORE_CTX_get0_chain(X509_STORE_CTX* ctx);
 STACK_OF(X509) * X509_STORE_CTX_get0_untrusted(X509_STORE_CTX* ctx);
@@ -195,6 +197,8 @@ uint32_t X509_get_extension_flags(X509* x);
 uint32_t X509_get_key_usage(X509* x);
 uint32_t X509_get_extended_key_usage(X509* x);
 
+int X509_OBJECT_get_type(const X509_OBJECT* obj);
+X509* X509_OBJECT_get0_X509(const X509_OBJECT* obj);
 #endif
 
 #if FOLLY_OPENSSL_IS_110