Merge Chromium at r63472 : Initial merge by git.

Change-Id: Ifb9ee821af006a5f2211e81471be93ae440a1f5a

1 files changed, 82 insertions, 0 deletions

diff --git a/net/base/openssl_util.cc b/net/base/openssl_util.cc
new file mode 100644
index 0000000..fcdc3a1
--- /dev/null
+++ b/net/base/openssl_util.cc
@@ -0,0 +1,82 @@
+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/base/openssl_util.h"
+
+#include <openssl/err.h>
+
+#include "base/logging.h"
+#include "base/platform_thread.h"
+
+namespace net {
+
+namespace {
+
+// We do certificate verification after handshake, so we disable the default
+// by registering a no-op verify function.
+int NoOpVerifyCallback(X509_STORE_CTX*, void *) {
+  DVLOG(3) << "skipping cert verify";
+  return 1;
+}
+
+unsigned long CurrentThreadId() {
+  return static_cast<unsigned long>(PlatformThread::CurrentId());
+}
+
+SSL_CTX* CreateSSL_CTX() {
+  SSL_load_error_strings();
+  SSL_library_init();
+  OpenSSL_add_all_algorithms();
+  return SSL_CTX_new(SSLv23_client_method());
+}
+
+}  // namespace
+
+OpenSSLInitSingleton::OpenSSLInitSingleton()
+    : ssl_ctx_(CreateSSL_CTX()),
+      store_(X509_STORE_new()) {
+  CHECK(ssl_ctx_.get());
+  CHECK(store_.get());
+
+  SSL_CTX_set_cert_verify_callback(ssl_ctx_.get(), NoOpVerifyCallback, NULL);
+  X509_STORE_set_default_paths(store_.get());
+  // TODO(bulach): Enable CRL (see X509_STORE_set_flags(X509_V_FLAG_CRL_CHECK)).
+  int num_locks = CRYPTO_num_locks();
+  for (int i = 0; i < num_locks; ++i)
+    locks_.push_back(new Lock());
+  CRYPTO_set_locking_callback(LockingCallback);
+  CRYPTO_set_id_callback(CurrentThreadId);
+}
+
+OpenSSLInitSingleton::~OpenSSLInitSingleton() {
+  CRYPTO_set_locking_callback(NULL);
+  EVP_cleanup();
+  ERR_free_strings();
+}
+
+OpenSSLInitSingleton* GetOpenSSLInitSingleton() {
+  return Singleton<OpenSSLInitSingleton>::get();
+}
+
+// static
+void OpenSSLInitSingleton::LockingCallback(int mode,
+                                            int n,
+                                            const char* file,
+                                            int line) {
+  GetOpenSSLInitSingleton()->OnLockingCallback(mode, n, file, line);
+}
+
+void OpenSSLInitSingleton::OnLockingCallback(int mode,
+                                              int n,
+                                              const char* file,
+                                              int line) {
+  CHECK_LT(static_cast<size_t>(n), locks_.size());
+  if (mode & CRYPTO_LOCK)
+    locks_[n]->Acquire();
+  else
+    locks_[n]->Release();
+}
+
+}  // namespace net
+