blob: 9f39a18aed243bd6afea1f41ed29f75762d25c6d [file] [log] [blame]
// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#if !defined(DART_IO_SECURE_SOCKET_DISABLED)
#include "platform/globals.h"
#if defined(DART_HOST_OS_ANDROID)
#include "bin/security_context.h"
#include <openssl/bio.h>
#include <openssl/ssl.h>
#include <openssl/x509.h>
#include "bin/directory.h"
#include "bin/file.h"
#include "bin/secure_socket_filter.h"
#include "bin/secure_socket_utils.h"
#include "platform/syslog.h"
namespace dart {
namespace bin {
// The security context won't necessarily use the compiled-in root certificates,
// but since there is no way to update the size of the allocation after creating
// the weak persistent handle, we assume that it will. Note that when the
// root certs aren't compiled in, |root_certificates_pem_length| is 0.
const intptr_t SSLCertContext::kApproximateSize =
sizeof(SSLCertContext) + root_certificates_pem_length;
void SSLCertContext::TrustBuiltinRoots() {
// First, try to use locations specified on the command line.
if (root_certs_file() != NULL) {
LoadRootCertFile(root_certs_file());
return;
}
if (root_certs_cache() != NULL) {
LoadRootCertCache(root_certs_cache());
return;
}
// On Android, we don't compile in the trusted root certificates. Insead,
// we use the directory of trusted certificates already present on the device.
// This saves ~240KB from the size of the binary. This has the drawback that
// SSL_do_handshake will synchronously hit the filesystem looking for root
// certs during its trust evaluation. We call SSL_do_handshake directly from
// the Dart thread so that Dart code can be invoked from the "bad certificate"
// callback called by SSL_do_handshake.
const char* android_cacerts = "/system/etc/security/cacerts";
LoadRootCertCache(android_cacerts);
return;
}
void SSLCertContext::RegisterCallbacks(SSL* ssl) {
// No callbacks to register for implementations using BoringSSL's built-in
// verification mechanism.
}
TrustEvaluateHandlerFunc SSLCertContext::GetTrustEvaluateHandler() const {
return nullptr;
}
} // namespace bin
} // namespace dart
#endif // defined(DART_HOST_OS_ANDROID)
#endif // !defined(DART_IO_SECURE_SOCKET_DISABLED)