Home | History | Annotate | Download | only in cert
      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "net/cert/cert_database.h"
      6 
      7 #include <openssl/x509.h>
      8 
      9 #include "base/logging.h"
     10 #include "base/observer_list_threadsafe.h"
     11 #include "crypto/scoped_openssl_types.h"
     12 #include "net/base/crypto_module.h"
     13 #include "net/base/net_errors.h"
     14 #include "net/base/openssl_private_key_store.h"
     15 #include "net/cert/x509_certificate.h"
     16 
     17 namespace net {
     18 
     19 CertDatabase::CertDatabase()
     20     : observer_list_(new ObserverListThreadSafe<Observer>) {
     21 }
     22 
     23 CertDatabase::~CertDatabase() {}
     24 
     25 // This method is used to check a client certificate before trying to
     26 // install it on the system, which will happen later by calling
     27 // AddUserCert() below.
     28 //
     29 // On the Linux/OpenSSL build, there is simply no system keystore, but
     30 // OpenSSLPrivateKeyStore() implements a small in-memory store for
     31 // (public/private) key pairs generated through keygen.
     32 //
     33 // Try to check for a private key in the in-memory store to check
     34 // for the case when the browser is trying to install a server-generated
     35 // certificate from a <keygen> exchange.
     36 int CertDatabase::CheckUserCert(X509Certificate* cert) {
     37   if (!cert)
     38     return ERR_CERT_INVALID;
     39   if (cert->HasExpired())
     40     return ERR_CERT_DATE_INVALID;
     41 
     42   // X509_PUBKEY_get() transfers ownership, not X509_get_X509_PUBKEY()
     43   crypto::ScopedEVP_PKEY public_key(
     44       X509_PUBKEY_get(X509_get_X509_PUBKEY(cert->os_cert_handle())));
     45 
     46   if (!OpenSSLPrivateKeyStore::HasPrivateKey(public_key.get()))
     47     return ERR_NO_PRIVATE_KEY_FOR_CERT;
     48 
     49   return OK;
     50 }
     51 
     52 int CertDatabase::AddUserCert(X509Certificate* cert) {
     53   // There is no certificate store on the Linux/OpenSSL build.
     54   NOTIMPLEMENTED();
     55   return ERR_NOT_IMPLEMENTED;
     56 }
     57 
     58 }  // namespace net
     59