1// Copyright 2015 The Chromium OS 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// THIS CODE IS GENERATED - DO NOT MODIFY!
6
7#include "MemoryLib_fp.h"
8#include "PolicySecret_fp.h"
9
10UINT16 PolicySecret_Out_Marshal(PolicySecret_Out* source,
11                                TPMI_ST_COMMAND_TAG tag,
12                                BYTE** buffer,
13                                INT32* size) {
14  UINT16 total_size = 0;
15  UINT32 parameter_size = 0;
16  BYTE* parameter_size_location;
17  INT32 parameter_size_size = sizeof(UINT32);
18  UINT32 num_response_handles = 0;
19  // Add parameter_size=0 to indicate size of the parameter area. Will be
20  // replaced later by computed parameter_size.
21  if (tag == TPM_ST_SESSIONS) {
22    parameter_size_location = *buffer;
23    // Don't add to total_size, but increment *buffer and decrement *size.
24    UINT32_Marshal(&parameter_size, buffer, size);
25  }
26  // Marshal response parameters.
27  total_size += TPM2B_TIMEOUT_Marshal(&source->timeout, buffer, size);
28  total_size += TPMT_TK_AUTH_Marshal(&source->policyTicket, buffer, size);
29  // Compute actual parameter_size. Don't add result to total_size.
30  if (tag == TPM_ST_SESSIONS) {
31    parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE);
32    UINT32_Marshal(&parameter_size, &parameter_size_location,
33                   &parameter_size_size);
34  }
35  return total_size;
36}
37
38TPM_RC PolicySecret_In_Unmarshal(PolicySecret_In* target,
39                                 TPM_HANDLE request_handles[],
40                                 BYTE** buffer,
41                                 INT32* size) {
42  TPM_RC result = TPM_RC_SUCCESS;
43  // Get request handles from request_handles array.
44  target->authHandle = request_handles[0];
45  target->policySession = request_handles[1];
46  // Unmarshal request parameters.
47  result = TPM2B_NONCE_Unmarshal(&target->nonceTPM, buffer, size);
48  if (result != TPM_RC_SUCCESS) {
49    return result;
50  }
51  result = TPM2B_DIGEST_Unmarshal(&target->cpHashA, buffer, size);
52  if (result != TPM_RC_SUCCESS) {
53    return result;
54  }
55  result = TPM2B_NONCE_Unmarshal(&target->policyRef, buffer, size);
56  if (result != TPM_RC_SUCCESS) {
57    return result;
58  }
59  result = INT32_Unmarshal(&target->expiration, buffer, size);
60  if (result != TPM_RC_SUCCESS) {
61    return result;
62  }
63  if ((result == TPM_RC_SUCCESS) && *size) {
64    result = TPM_RC_SIZE;
65  }
66  return result;
67}
68
69TPM_RC Exec_PolicySecret(TPMI_ST_COMMAND_TAG tag,
70                         BYTE** request_parameter_buffer,
71                         INT32* request_parameter_buffer_size,
72                         TPM_HANDLE request_handles[],
73                         UINT32* response_handle_buffer_size,
74                         UINT32* response_parameter_buffer_size) {
75  TPM_RC result = TPM_RC_SUCCESS;
76  PolicySecret_In in;
77  PolicySecret_Out out;
78#ifdef TPM_CC_PolicySecret
79  BYTE* response_buffer;
80  INT32 response_buffer_size;
81  UINT16 bytes_marshalled;
82  UINT16 num_response_handles = 0;
83#endif
84  *response_handle_buffer_size = 0;
85  *response_parameter_buffer_size = 0;
86  // Unmarshal request parameters to input structure.
87  result =
88      PolicySecret_In_Unmarshal(&in, request_handles, request_parameter_buffer,
89                                request_parameter_buffer_size);
90  if (result != TPM_RC_SUCCESS) {
91    return result;
92  }
93  // Execute command.
94  result = TPM2_PolicySecret(&in, &out);
95  if (result != TPM_RC_SUCCESS) {
96    return result;
97  }
98// Marshal output structure to global response buffer.
99#ifdef TPM_CC_PolicySecret
100  response_buffer = MemoryGetResponseBuffer(TPM_CC_PolicySecret) + 10;
101  response_buffer_size = MAX_RESPONSE_SIZE - 10;
102  bytes_marshalled = PolicySecret_Out_Marshal(&out, tag, &response_buffer,
103                                              &response_buffer_size);
104  *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
105  *response_parameter_buffer_size =
106      bytes_marshalled - *response_handle_buffer_size;
107  return TPM_RC_SUCCESS;
108#endif
109  return TPM_RC_COMMAND_CODE;
110}
111