// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CRYPTOHOME_MOCK_TPM_H_
#define CRYPTOHOME_MOCK_TPM_H_

#include "cryptohome/tpm.h"

#include <stdint.h>

#include <map>
#include <set>
#include <string>

#include <base/logging.h>
#include <brillo/secure_blob.h>
#include <gmock/gmock.h>

namespace cryptohome {

class MockTpm : public Tpm {
 public:
  MockTpm();
  ~MockTpm();
  MOCK_METHOD0(GetVersion, TpmVersion());
  MOCK_METHOD4(EncryptBlob, TpmRetryAction(TpmKeyHandle,
                                           const brillo::SecureBlob&,
                                           const brillo::SecureBlob&,
                                           brillo::SecureBlob*));
  MOCK_METHOD5(DecryptBlob,
      TpmRetryAction(TpmKeyHandle,
                     const brillo::SecureBlob&,
                     const brillo::SecureBlob&,
                     const std::map<uint32_t, std::string>& pcr_map,
                     brillo::SecureBlob*));
  MOCK_METHOD2(GetPublicKeyHash, TpmRetryAction(TpmKeyHandle,
                                                brillo::SecureBlob*));
  MOCK_METHOD1(GetOwnerPassword, bool(brillo::Blob*));
  MOCK_METHOD0(IsEnabled, bool());
  MOCK_METHOD1(SetIsEnabled, void(bool));
  MOCK_METHOD0(IsOwned, bool());
  MOCK_METHOD1(SetIsOwned, void(bool));
  MOCK_METHOD2(PerformEnabledOwnedCheck, bool(bool*, bool*));
  MOCK_METHOD0(IsInitialized, bool());
  MOCK_METHOD1(SetIsInitialized, void(bool));
  MOCK_METHOD0(IsBeingOwned, bool());
  MOCK_METHOD1(SetIsBeingOwned, void(bool));
  MOCK_METHOD2(GetRandomDataBlob, bool(size_t, brillo::Blob*));
  MOCK_METHOD2(GetRandomDataSecureBlob, bool(size_t, brillo::SecureBlob*));
  MOCK_METHOD1(GetAlertsData, bool(Tpm::AlertsData*));
  MOCK_METHOD3(DefineNvram, bool(uint32_t, size_t, uint32_t));
  MOCK_METHOD2(WriteNvram, bool(uint32_t, const brillo::SecureBlob&));
  MOCK_METHOD2(ReadNvram, bool(uint32_t, brillo::SecureBlob*));
  MOCK_METHOD1(DestroyNvram, bool(uint32_t));
  MOCK_METHOD1(IsNvramDefined, bool(uint32_t));
  MOCK_METHOD1(IsNvramLocked, bool(uint32_t));
  MOCK_METHOD1(WriteLockNvram, bool(uint32_t));
  MOCK_METHOD1(GetNvramSize, unsigned int(uint32_t));
  MOCK_METHOD1(GetEndorsementPublicKey, bool(brillo::SecureBlob*));
  MOCK_METHOD3(GetEndorsementPublicKeyWithDelegate,
      bool(brillo::SecureBlob*,
           const brillo::SecureBlob&,
           const brillo::SecureBlob&));
  MOCK_METHOD1(GetEndorsementCredential, bool(brillo::SecureBlob*));
  MOCK_METHOD9(MakeIdentity, bool(brillo::SecureBlob*,
                                  brillo::SecureBlob*,
                                  brillo::SecureBlob*,
                                  brillo::SecureBlob*,
                                  brillo::SecureBlob*,
                                  brillo::SecureBlob*,
                                  brillo::SecureBlob*,
                                  brillo::SecureBlob*,
                                  brillo::SecureBlob*));
  MOCK_METHOD6(QuotePCR,
               bool(uint32_t,
                    const brillo::SecureBlob&,
                    const brillo::SecureBlob&,
                    brillo::Blob*,
                    brillo::SecureBlob*,
                    brillo::SecureBlob*));
  MOCK_METHOD2(SealToPCR0, bool(const brillo::Blob&, brillo::Blob*));
  MOCK_METHOD2(Unseal, bool(const brillo::Blob&, brillo::Blob*));
  MOCK_METHOD7(CreateCertifiedKey, bool(const brillo::SecureBlob&,
                                        const brillo::SecureBlob&,
                                        brillo::SecureBlob*,
                                        brillo::SecureBlob*,
                                        brillo::SecureBlob*,
                                        brillo::SecureBlob*,
                                        brillo::SecureBlob*));
  MOCK_METHOD5(CreateDelegate,
               bool(const std::set<uint32_t>&,
                    uint8_t,
                    uint8_t,
                    brillo::SecureBlob*,
                    brillo::SecureBlob*));
  MOCK_METHOD6(ActivateIdentity, bool(const brillo::SecureBlob&,
                                      const brillo::SecureBlob&,
                                      const brillo::SecureBlob&,
                                      const brillo::SecureBlob&,
                                      const brillo::SecureBlob&,
                                      brillo::SecureBlob*));
  MOCK_METHOD4(Sign,
               bool(const brillo::SecureBlob&,
                    const brillo::SecureBlob&,
                    uint32_t,
                    brillo::SecureBlob*));
  MOCK_METHOD2(ExtendPCR, bool(uint32_t, const brillo::Blob&));
  MOCK_METHOD2(ReadPCR, bool(uint32_t, brillo::Blob*));
  MOCK_METHOD5(CreatePCRBoundKey, bool(const std::map<uint32_t, std::string>&,
                                       AsymmetricKeyUsage key_type,
                                       brillo::SecureBlob*,
                                       brillo::SecureBlob*,
                                       brillo::SecureBlob*));
  MOCK_METHOD3(VerifyPCRBoundKey, bool(const std::map<uint32_t, std::string>&,
                                       const brillo::SecureBlob&,
                                       const brillo::SecureBlob&));
  MOCK_METHOD0(IsEndorsementKeyAvailable, bool());
  MOCK_METHOD0(CreateEndorsementKey, bool());
  MOCK_METHOD2(TakeOwnership, bool(int, const brillo::SecureBlob&));
  MOCK_METHOD1(InitializeSrk, bool(const brillo::SecureBlob&));
  MOCK_METHOD2(ChangeOwnerPassword, bool(const brillo::SecureBlob&,
                                         const brillo::SecureBlob&));
  MOCK_METHOD1(TestTpmAuth, bool(const brillo::SecureBlob&));
  MOCK_METHOD1(SetOwnerPassword, void(const brillo::SecureBlob&));
  MOCK_METHOD1(IsTransient, bool(TpmRetryAction));
  MOCK_METHOD3(WrapRsaKey, bool(const brillo::SecureBlob&,
                                const brillo::SecureBlob&,
                                brillo::SecureBlob*));
  MOCK_METHOD2(LoadWrappedKey, TpmRetryAction(const brillo::SecureBlob&,
                                              ScopedKeyHandle*));
  MOCK_METHOD2(LegacyLoadCryptohomeKey, bool(ScopedKeyHandle*,
                                             brillo::SecureBlob*));
  MOCK_METHOD1(CloseHandle, void(TpmKeyHandle));
  MOCK_METHOD2(GetStatus, void(TpmKeyHandle, TpmStatusInfo*));
  MOCK_METHOD4(GetDictionaryAttackInfo, bool(int*, int*, bool*, int*));
  MOCK_METHOD2(ResetDictionaryAttackMitigation,
               bool(const brillo::SecureBlob&, const brillo::SecureBlob&));
  MOCK_METHOD0(DeclareTpmFirmwareStable, void());
  MOCK_METHOD1(RemoveOwnerDependency,
               bool(TpmPersistentState::TpmOwnerDependency));
  MOCK_METHOD0(ClearStoredPassword, bool());
  MOCK_METHOD1(GetVersionInfo, bool(TpmVersionInfo*));
  MOCK_METHOD1(GetIFXFieldUpgradeInfo, bool(IFXFieldUpgradeInfo*));
  MOCK_METHOD1(SetUserType, bool(Tpm::UserType));
  MOCK_METHOD0(GetLECredentialBackend, LECredentialBackend*());
  MOCK_METHOD0(GetSignatureSealingBackend, SignatureSealingBackend*());

 private:
  TpmRetryAction XorDecrypt(TpmKeyHandle _key,
                            const brillo::SecureBlob& plaintext,
                            const brillo::SecureBlob& key,
                            const std::map<uint32_t, std::string>& pcr_map,
                            brillo::SecureBlob* ciphertext) {
    return Xor(_key, plaintext, key, ciphertext);
  }
  TpmRetryAction Xor(TpmKeyHandle _key,
                     const brillo::SecureBlob& plaintext,
                     const brillo::SecureBlob& key,
                     brillo::SecureBlob* ciphertext) {
    brillo::SecureBlob local_data_out(plaintext.size());
    for (unsigned int i = 0; i < local_data_out.size(); i++) {
      local_data_out[i] = plaintext[i] ^ 0x1e;
    }
    ciphertext->swap(local_data_out);
    return kTpmRetryNone;
  }

  bool FakeGetRandomDataBlob(size_t num_bytes, brillo::Blob* blob) {
    blob->resize(num_bytes);
    return true;
  }

  bool FakeGetRandomDataSecureBlob(size_t num_bytes,
                                   brillo::SecureBlob* sblob) {
    sblob->resize(num_bytes);
    return true;
  }

  bool FakeExtendPCR(uint32_t index, const brillo::Blob& value) {
    extended_pcrs_.insert(index);
    return true;
  }

  bool FakeReadPCR(uint32_t index, brillo::Blob* value) {
    value->assign(20, extended_pcrs_.count(index) ? 0xAA : 0);
    return true;
  }

  std::set<uint32_t> extended_pcrs_;
};
}  // namespace cryptohome

#endif  // CRYPTOHOME_MOCK_TPM_H_