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 "ObjectChangeAuth_fp.h"
9
10UINT16 ObjectChangeAuth_Out_Marshal(ObjectChangeAuth_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_PRIVATE_Marshal(&source->outPrivate, buffer, size);
28  // Compute actual parameter_size. Don't add result to total_size.
29  if (tag == TPM_ST_SESSIONS) {
30    parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE);
31    UINT32_Marshal(&parameter_size, &parameter_size_location,
32                   &parameter_size_size);
33  }
34  return total_size;
35}
36
37TPM_RC ObjectChangeAuth_In_Unmarshal(ObjectChangeAuth_In* target,
38                                     TPM_HANDLE request_handles[],
39                                     BYTE** buffer,
40                                     INT32* size) {
41  TPM_RC result = TPM_RC_SUCCESS;
42  // Get request handles from request_handles array.
43  target->objectHandle = request_handles[0];
44  target->parentHandle = request_handles[1];
45  // Unmarshal request parameters.
46  result = TPM2B_AUTH_Unmarshal(&target->newAuth, buffer, size);
47  if (result != TPM_RC_SUCCESS) {
48    return result;
49  }
50  if ((result == TPM_RC_SUCCESS) && *size) {
51    result = TPM_RC_SIZE;
52  }
53  return result;
54}
55
56TPM_RC Exec_ObjectChangeAuth(TPMI_ST_COMMAND_TAG tag,
57                             BYTE** request_parameter_buffer,
58                             INT32* request_parameter_buffer_size,
59                             TPM_HANDLE request_handles[],
60                             UINT32* response_handle_buffer_size,
61                             UINT32* response_parameter_buffer_size) {
62  TPM_RC result = TPM_RC_SUCCESS;
63  ObjectChangeAuth_In in;
64  ObjectChangeAuth_Out out;
65#ifdef TPM_CC_ObjectChangeAuth
66  BYTE* response_buffer;
67  INT32 response_buffer_size;
68  UINT16 bytes_marshalled;
69  UINT16 num_response_handles = 0;
70#endif
71  *response_handle_buffer_size = 0;
72  *response_parameter_buffer_size = 0;
73  // Unmarshal request parameters to input structure.
74  result = ObjectChangeAuth_In_Unmarshal(&in, request_handles,
75                                         request_parameter_buffer,
76                                         request_parameter_buffer_size);
77  if (result != TPM_RC_SUCCESS) {
78    return result;
79  }
80  // Execute command.
81  result = TPM2_ObjectChangeAuth(&in, &out);
82  if (result != TPM_RC_SUCCESS) {
83    return result;
84  }
85// Marshal output structure to global response buffer.
86#ifdef TPM_CC_ObjectChangeAuth
87  response_buffer = MemoryGetResponseBuffer(TPM_CC_ObjectChangeAuth) + 10;
88  response_buffer_size = MAX_RESPONSE_SIZE - 10;
89  bytes_marshalled = ObjectChangeAuth_Out_Marshal(&out, tag, &response_buffer,
90                                                  &response_buffer_size);
91  *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
92  *response_parameter_buffer_size =
93      bytes_marshalled - *response_handle_buffer_size;
94  return TPM_RC_SUCCESS;
95#endif
96  return TPM_RC_COMMAND_CODE;
97}
98