net: extract net/cert out of net/base

net/base/nss_cert_database.cc

Index: net/base/nss_cert_database.cc
diff --git a/net/base/nss_cert_database.cc b/net/base/nss_cert_database.cc
deleted file mode 100644
index 1cfb212a4f6bfd4eadfb1b8127dde306c10a6b83..0000000000000000000000000000000000000000
--- a/net/base/nss_cert_database.cc
+++ /dev/null
@@ -1,344 +0,0 @@
-// Copyright (c) 2012 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/nss_cert_database.h"
-
-#include <cert.h>
-#include <certdb.h>
-#include <keyhi.h>
-#include <pk11pub.h>
-#include <secmod.h>
-
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/singleton.h"
-#include "base/observer_list_threadsafe.h"
-#include "crypto/nss_util.h"
-#include "crypto/nss_util_internal.h"
-#include "net/base/cert_database.h"
-#include "net/base/crypto_module.h"
-#include "net/base/net_errors.h"
-#include "net/base/x509_certificate.h"
-#include "net/third_party/mozilla_security_manager/nsNSSCertificateDB.h"
-#include "net/third_party/mozilla_security_manager/nsPKCS12Blob.h"
-
-// In NSS 3.13, CERTDB_VALID_PEER was renamed CERTDB_TERMINAL_RECORD. So we use
-// the new name of the macro.
-#if !defined(CERTDB_TERMINAL_RECORD)
-#define CERTDB_TERMINAL_RECORD CERTDB_VALID_PEER
-#endif
-
-// PSM = Mozilla's Personal Security Manager.
-namespace psm = mozilla_security_manager;
-
-namespace net {
-
-NSSCertDatabase::ImportCertFailure::ImportCertFailure(
-    X509Certificate* cert, int err)
-    : certificate(cert),
-      net_error(err) {}
-
-NSSCertDatabase::ImportCertFailure::~ImportCertFailure() {}
-
-// static
-NSSCertDatabase* NSSCertDatabase::GetInstance() {
-  return Singleton<NSSCertDatabase>::get();
-}
-
-NSSCertDatabase::NSSCertDatabase()
-    : observer_list_(new ObserverListThreadSafe<Observer>) {
-  crypto::EnsureNSSInit();
-  psm::EnsurePKCS12Init();
-}
-
-NSSCertDatabase::~NSSCertDatabase() {}
-
-void NSSCertDatabase::ListCerts(CertificateList* certs) {
-  certs->clear();
-
-  CERTCertList* cert_list = PK11_ListCerts(PK11CertListUnique, NULL);
-  CERTCertListNode* node;
-  for (node = CERT_LIST_HEAD(cert_list);
-       !CERT_LIST_END(node, cert_list);
-       node = CERT_LIST_NEXT(node)) {
-    certs->push_back(X509Certificate::CreateFromHandle(
-        node->cert, X509Certificate::OSCertHandles()));
-  }
-  CERT_DestroyCertList(cert_list);
-}
-
-CryptoModule* NSSCertDatabase::GetPublicModule() const {
-  CryptoModule* module =
-      CryptoModule::CreateFromHandle(crypto::GetPublicNSSKeySlot());
-  // The module is already referenced when returned from
-  // GetPublicNSSKeySlot, so we need to deref it once.
-  PK11_FreeSlot(module->os_module_handle());
-
-  return module;
-}
-
-CryptoModule* NSSCertDatabase::GetPrivateModule() const {
-  CryptoModule* module =
-      CryptoModule::CreateFromHandle(crypto::GetPrivateNSSKeySlot());
-  // The module is already referenced when returned from
-  // GetPrivateNSSKeySlot, so we need to deref it once.
-  PK11_FreeSlot(module->os_module_handle());
-
-  return module;
-}
-
-void NSSCertDatabase::ListModules(CryptoModuleList* modules,
-                                  bool need_rw) const {
-  modules->clear();
-
-  PK11SlotList* slot_list = NULL;
-  // The wincx arg is unused since we don't call PK11_SetIsLoggedInFunc.
-  slot_list = PK11_GetAllTokens(CKM_INVALID_MECHANISM,
-                                need_rw ? PR_TRUE : PR_FALSE,  // needRW
-                                PR_TRUE,  // loadCerts (unused)
-                                NULL);  // wincx
-  if (!slot_list) {
-    LOG(ERROR) << "PK11_GetAllTokens failed: " << PORT_GetError();
-    return;
-  }
-
-  PK11SlotListElement* slot_element = PK11_GetFirstSafe(slot_list);
-  while (slot_element) {
-    modules->push_back(CryptoModule::CreateFromHandle(slot_element->slot));
-    slot_element = PK11_GetNextSafe(slot_list, slot_element,
-                                    PR_FALSE);  // restart
-  }
-
-  PK11_FreeSlotList(slot_list);
-}
-
-int NSSCertDatabase::ImportFromPKCS12(
-    CryptoModule* module,
-    const std::string& data,
-    const base::string16& password,
-    bool is_extractable,
-    net::CertificateList* imported_certs) {
-  int result = psm::nsPKCS12Blob_Import(module->os_module_handle(),
-                                        data.data(), data.size(),
-                                        password,
-                                        is_extractable,
-                                        imported_certs);
-  if (result == net::OK)
-    NotifyObserversOfCertAdded(NULL);
-
-  return result;
-}
-
-int NSSCertDatabase::ExportToPKCS12(
-    const CertificateList& certs,
-    const base::string16& password,
-    std::string* output) const {
-  return psm::nsPKCS12Blob_Export(output, certs, password);
-}
-
-X509Certificate* NSSCertDatabase::FindRootInList(
-    const CertificateList& certificates) const {
-  DCHECK_GT(certificates.size(), 0U);
-
-  if (certificates.size() == 1)
-    return certificates[0].get();
-
-  X509Certificate* cert0 = certificates[0];
-  X509Certificate* cert1 = certificates[1];
-  X509Certificate* certn_2 = certificates[certificates.size() - 2];
-  X509Certificate* certn_1 = certificates[certificates.size() - 1];
-
-  if (CERT_CompareName(&cert1->os_cert_handle()->issuer,
-                       &cert0->os_cert_handle()->subject) == SECEqual)
-    return cert0;
-  if (CERT_CompareName(&certn_2->os_cert_handle()->issuer,
-                       &certn_1->os_cert_handle()->subject) == SECEqual)
-    return certn_1;
-
-  VLOG(1) << "certificate list is not a hierarchy";
-  return cert0;
-}
-
-bool NSSCertDatabase::ImportCACerts(const CertificateList& certificates,
-                                    TrustBits trust_bits,
-                                    ImportCertFailureList* not_imported) {
-  X509Certificate* root = FindRootInList(certificates);
-  bool success = psm::ImportCACerts(certificates, root, trust_bits,
-                                    not_imported);
-  if (success)
-    NotifyObserversOfCertTrustChanged(NULL);
-
-  return success;
-}
-
-bool NSSCertDatabase::ImportServerCert(const CertificateList& certificates,
-                                       TrustBits trust_bits,
-                                       ImportCertFailureList* not_imported) {
-  return psm::ImportServerCert(certificates, trust_bits, not_imported);
-}
-
-NSSCertDatabase::TrustBits NSSCertDatabase::GetCertTrust(
-    const X509Certificate* cert,
-    CertType type) const {
-  CERTCertTrust trust;
-  SECStatus srv = CERT_GetCertTrust(cert->os_cert_handle(), &trust);
-  if (srv != SECSuccess) {
-    LOG(ERROR) << "CERT_GetCertTrust failed with error " << PORT_GetError();
-    return TRUST_DEFAULT;
-  }
-  // We define our own more "friendly" TrustBits, which means we aren't able to
-  // round-trip all possible NSS trust flag combinations.  We try to map them in
-  // a sensible way.
-  switch (type) {
-    case CA_CERT: {
-      const unsigned kTrustedCA = CERTDB_TRUSTED_CA | CERTDB_TRUSTED_CLIENT_CA;
-      const unsigned kCAFlags = kTrustedCA | CERTDB_TERMINAL_RECORD;
-
-      TrustBits trust_bits = TRUST_DEFAULT;
-      if ((trust.sslFlags & kCAFlags) == CERTDB_TERMINAL_RECORD)
-        trust_bits |= DISTRUSTED_SSL;
-      else if (trust.sslFlags & kTrustedCA)
-        trust_bits |= TRUSTED_SSL;
-
-      if ((trust.emailFlags & kCAFlags) == CERTDB_TERMINAL_RECORD)
-        trust_bits |= DISTRUSTED_EMAIL;
-      else if (trust.emailFlags & kTrustedCA)
-        trust_bits |= TRUSTED_EMAIL;
-
-      if ((trust.objectSigningFlags & kCAFlags) == CERTDB_TERMINAL_RECORD)
-        trust_bits |= DISTRUSTED_OBJ_SIGN;
-      else if (trust.objectSigningFlags & kTrustedCA)
-        trust_bits |= TRUSTED_OBJ_SIGN;
-
-      return trust_bits;
-    }
-    case SERVER_CERT:
-      if (trust.sslFlags & CERTDB_TERMINAL_RECORD) {
-        if (trust.sslFlags & CERTDB_TRUSTED)
-          return TRUSTED_SSL;
-        return DISTRUSTED_SSL;
-      }
-      return TRUST_DEFAULT;
-    default:
-      return TRUST_DEFAULT;
-  }
-}
-
-bool NSSCertDatabase::IsUntrusted(const X509Certificate* cert) const {
-  CERTCertTrust nsstrust;
-  SECStatus rv = CERT_GetCertTrust(cert->os_cert_handle(), &nsstrust);
-  if (rv != SECSuccess) {
-    LOG(ERROR) << "CERT_GetCertTrust failed with error " << PORT_GetError();
-    return false;
-  }
-
-  // The CERTCertTrust structure contains three trust records:
-  // sslFlags, emailFlags, and objectSigningFlags.  The three
-  // trust records are independent of each other.
-  //
-  // If the CERTDB_TERMINAL_RECORD bit in a trust record is set,
-  // then that trust record is a terminal record.  A terminal
-  // record is used for explicit trust and distrust of an
-  // end-entity or intermediate CA cert.
-  //
-  // In a terminal record, if neither CERTDB_TRUSTED_CA nor
-  // CERTDB_TRUSTED is set, then the terminal record means
-  // explicit distrust.  On the other hand, if the terminal
-  // record has either CERTDB_TRUSTED_CA or CERTDB_TRUSTED bit
-  // set, then the terminal record means explicit trust.
-  //
-  // For a root CA, the trust record does not have
-  // the CERTDB_TERMINAL_RECORD bit set.
-
-  static const unsigned int kTrusted = CERTDB_TRUSTED_CA | CERTDB_TRUSTED;
-  if ((nsstrust.sslFlags & CERTDB_TERMINAL_RECORD) != 0 &&
-      (nsstrust.sslFlags & kTrusted) == 0) {
-    return true;
-  }
-  if ((nsstrust.emailFlags & CERTDB_TERMINAL_RECORD) != 0 &&
-      (nsstrust.emailFlags & kTrusted) == 0) {
-    return true;
-  }
-  if ((nsstrust.objectSigningFlags & CERTDB_TERMINAL_RECORD) != 0 &&
-      (nsstrust.objectSigningFlags & kTrusted) == 0) {
-    return true;
-  }
-
-  // Self-signed certificates that don't have any trust bits set are untrusted.
-  // Other certificates that don't have any trust bits set may still be trusted
-  // if they chain up to a trust anchor.
-  if (CERT_CompareName(&cert->os_cert_handle()->issuer,
-                       &cert->os_cert_handle()->subject) == SECEqual) {
-    return (nsstrust.sslFlags & kTrusted) == 0 &&
-           (nsstrust.emailFlags & kTrusted) == 0 &&
-           (nsstrust.objectSigningFlags & kTrusted) == 0;
-  }
-
-  return false;
-}
-
-bool NSSCertDatabase::SetCertTrust(const X509Certificate* cert,
-                                CertType type,
-                                TrustBits trust_bits) {
-  bool success = psm::SetCertTrust(cert, type, trust_bits);
-  if (success)
-    NotifyObserversOfCertTrustChanged(cert);
-
-  return success;
-}
-
-bool NSSCertDatabase::DeleteCertAndKey(const X509Certificate* cert) {
-  // For some reason, PK11_DeleteTokenCertAndKey only calls
-  // SEC_DeletePermCertificate if the private key is found.  So, we check
-  // whether a private key exists before deciding which function to call to
-  // delete the cert.
-  SECKEYPrivateKey *privKey = PK11_FindKeyByAnyCert(cert->os_cert_handle(),
-                                                    NULL);
-  if (privKey) {
-    SECKEY_DestroyPrivateKey(privKey);
-    if (PK11_DeleteTokenCertAndKey(cert->os_cert_handle(), NULL)) {
-      LOG(ERROR) << "PK11_DeleteTokenCertAndKey failed: " << PORT_GetError();
-      return false;
-    }
-  } else {
-    if (SEC_DeletePermCertificate(cert->os_cert_handle())) {
-      LOG(ERROR) << "SEC_DeletePermCertificate failed: " << PORT_GetError();
-      return false;
-    }
-  }
-
-  NotifyObserversOfCertRemoved(cert);
-
-  return true;
-}
-
-bool NSSCertDatabase::IsReadOnly(const X509Certificate* cert) const {
-  PK11SlotInfo* slot = cert->os_cert_handle()->slot;
-  return slot && PK11_IsReadOnly(slot);
-}
-
-void NSSCertDatabase::AddObserver(Observer* observer) {
-  observer_list_->AddObserver(observer);
-}
-
-void NSSCertDatabase::RemoveObserver(Observer* observer) {
-  observer_list_->RemoveObserver(observer);
-}
-
-void NSSCertDatabase::NotifyObserversOfCertAdded(const X509Certificate* cert) {
-  observer_list_->Notify(&Observer::OnCertAdded, make_scoped_refptr(cert));
-}
-
-void NSSCertDatabase::NotifyObserversOfCertRemoved(
-    const X509Certificate* cert) {
-  observer_list_->Notify(&Observer::OnCertRemoved, make_scoped_refptr(cert));
-}
-
-void NSSCertDatabase::NotifyObserversOfCertTrustChanged(
-    const X509Certificate* cert) {
-  observer_list_->Notify(
-      &Observer::OnCertTrustChanged, make_scoped_refptr(cert));
-}
-
-}  // namespace net