src: simplify X509Pointer/X509View pointer derefs a bit

Author: jasnell

deps/ncrypto/ncrypto.h

@@ -570,6 +570,8 @@ class X509View final {
   NCRYPTO_DISALLOW_MOVE(X509View)
 
   inline X509* get() const { return const_cast<X509*>(cert_); }
+  inline operator X509*() const { return const_cast<X509*>(cert_); }
+  inline operator const X509*() const { return cert_; }
 
   inline bool operator==(std::nullptr_t) noexcept { return cert_ == nullptr; }
   inline operator bool() const { return cert_ != nullptr; }
@@ -631,6 +633,8 @@ class X509Pointer final {
   inline bool operator==(std::nullptr_t) noexcept { return cert_ == nullptr; }
   inline operator bool() const { return cert_ != nullptr; }
   inline X509* get() const { return cert_.get(); }
+  inline operator X509*() const { return cert_.get(); }
+  inline operator const X509*() const { return cert_.get(); }
   void reset(X509* cert = nullptr);
   X509* release();
 

src/crypto/crypto_common.cc

@@ -83,7 +83,7 @@ bool UseSNIContext(
   STACK_OF(X509)* chain;
 
   int err = SSL_CTX_get0_chain_certs(ctx, &chain);
-  if (err == 1) err = SSL_use_certificate(ssl.get(), x509.get());
+  if (err == 1) err = SSL_use_certificate(ssl.get(), x509);
   if (err == 1) err = SSL_use_PrivateKey(ssl.get(), pkey);
   if (err == 1 && chain != nullptr) err = SSL_set1_chain(ssl.get(), chain);
   return err == 1;

src/crypto/crypto_context.cc

@@ -787,9 +787,8 @@ void SecureContext::SetCACert(const BIOPointer& bio) {
   while (X509Pointer x509 = X509Pointer(PEM_read_bio_X509_AUX(
              bio.get(), nullptr, NoPasswordCallback, nullptr))) {
     CHECK_EQ(1,
-             X509_STORE_add_cert(GetCertStoreOwnedByThisSecureContext(),
-                                 x509.get()));
-    CHECK_EQ(1, SSL_CTX_add_client_CA(ctx_.get(), x509.get()));
+             X509_STORE_add_cert(GetCertStoreOwnedByThisSecureContext(), x509));
+    CHECK_EQ(1, SSL_CTX_add_client_CA(ctx_.get(), x509));
   }
 }