1 files changed, 111 insertions, 0 deletions
diff --git a/deps/openssl/openssl/test/ossl_shim/include/openssl/base.h b/deps/openssl/openssl/test/ossl_shim/include/openssl/base.h
new file mode 100644
index 0000000000..f725cd9d45
--- /dev/null
+++ b/deps/openssl/openssl/test/ossl_shim/include/openssl/base.h
@@ -0,0 +1,111 @@
+/*
+ * Copyright 1998-2001 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#ifndef OPENSSL_HEADER_BASE_H
+#define OPENSSL_HEADER_BASE_H
+
+/* Needed for BORINGSSL_MAKE_DELETER */
+# include <openssl/bio.h>
+# include <openssl/evp.h>
+# include <openssl/dh.h>
+# include <openssl/x509.h>
+# include <openssl/ssl.h>
+
+# define OPENSSL_ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
+
+extern "C++" {
+
+#include <memory>
+
+namespace bssl {
+
+namespace internal {
+
+template <typename T>
+struct DeleterImpl {};
+
+template <typename T>
+struct Deleter {
+  void operator()(T *ptr) {
+    // Rather than specialize Deleter for each type, we specialize
+    // DeleterImpl. This allows bssl::UniquePtr<T> to be used while only
+    // including base.h as long as the destructor is not emitted. This matches
+    // std::unique_ptr's behavior on forward-declared types.
+    //
+    // DeleterImpl itself is specialized in the corresponding module's header
+    // and must be included to release an object. If not included, the compiler
+    // will error that DeleterImpl<T> does not have a method Free.
+    DeleterImpl<T>::Free(ptr);
+  }
+};
+
+template <typename T, typename CleanupRet, void (*init)(T *),
+          CleanupRet (*cleanup)(T *)>
+class StackAllocated {
+ public:
+  StackAllocated() { init(&ctx_); }
+  ~StackAllocated() { cleanup(&ctx_); }
+
+  StackAllocated(const StackAllocated<T, CleanupRet, init, cleanup> &) = delete;
+  T& operator=(const StackAllocated<T, CleanupRet, init, cleanup> &) = delete;
+
+  T *get() { return &ctx_; }
+  const T *get() const { return &ctx_; }
+
+  void Reset() {
+    cleanup(&ctx_);
+    init(&ctx_);
+  }
+
+ private:
+  T ctx_;
+};
+
+}  // namespace internal
+
+#define BORINGSSL_MAKE_DELETER(type, deleter)     \
+  namespace internal {                            \
+  template <>                                     \
+  struct DeleterImpl<type> {                      \
+    static void Free(type *ptr) { deleter(ptr); } \
+  };                                              \
+  }
+
+// This makes a unique_ptr to STACK_OF(type) that owns all elements on the
+// stack, i.e. it uses sk_pop_free() to clean up.
+#define BORINGSSL_MAKE_STACK_DELETER(type, deleter) \
+  namespace internal {                              \
+  template <>                                       \
+  struct DeleterImpl<STACK_OF(type)> {              \
+    static void Free(STACK_OF(type) *ptr) {         \
+      sk_##type##_pop_free(ptr, deleter);           \
+    }                                               \
+  };                                                \
+  }
+
+// Holds ownership of heap-allocated BoringSSL structures. Sample usage:
+//   bssl::UniquePtr<BIO> rsa(RSA_new());
+//   bssl::UniquePtr<BIO> bio(BIO_new(BIO_s_mem()));
+template <typename T>
+using UniquePtr = std::unique_ptr<T, internal::Deleter<T>>;
+
+BORINGSSL_MAKE_DELETER(BIO, BIO_free)
+BORINGSSL_MAKE_DELETER(EVP_PKEY, EVP_PKEY_free)
+BORINGSSL_MAKE_DELETER(DH, DH_free)
+BORINGSSL_MAKE_DELETER(X509, X509_free)
+BORINGSSL_MAKE_DELETER(SSL, SSL_free)
+BORINGSSL_MAKE_DELETER(SSL_CTX, SSL_CTX_free)
+BORINGSSL_MAKE_DELETER(SSL_SESSION, SSL_SESSION_free)
+
+}  // namespace bssl
+
+}  /* extern C++ */
+
+
+#endif  /* OPENSSL_HEADER_BASE_H */