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 "StartAuthSession_fp.h"
9
10UINT16 StartAuthSession_Out_Marshal(StartAuthSession_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 = 1;
19  // Marshal response handles.
20  total_size +=
21      TPMI_SH_AUTH_SESSION_Marshal(&source->sessionHandle, buffer, size);
22  // Add parameter_size=0 to indicate size of the parameter area. Will be
23  // replaced later by computed parameter_size.
24  if (tag == TPM_ST_SESSIONS) {
25    parameter_size_location = *buffer;
26    // Don't add to total_size, but increment *buffer and decrement *size.
27    UINT32_Marshal(&parameter_size, buffer, size);
28  }
29  // Marshal response parameters.
30  total_size += TPM2B_NONCE_Marshal(&source->nonceTPM, buffer, size);
31  // Compute actual parameter_size. Don't add result to total_size.
32  if (tag == TPM_ST_SESSIONS) {
33    parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE);
34    UINT32_Marshal(&parameter_size, &parameter_size_location,
35                   &parameter_size_size);
36  }
37  return total_size;
38}
39
40TPM_RC StartAuthSession_In_Unmarshal(StartAuthSession_In* target,
41                                     TPM_HANDLE request_handles[],
42                                     BYTE** buffer,
43                                     INT32* size) {
44  TPM_RC result = TPM_RC_SUCCESS;
45  // Get request handles from request_handles array.
46  target->tpmKey = request_handles[0];
47  target->bind = request_handles[1];
48  // Unmarshal request parameters.
49  result = TPM2B_NONCE_Unmarshal(&target->nonceCaller, buffer, size);
50  if (result != TPM_RC_SUCCESS) {
51    return result;
52  }
53  result =
54      TPM2B_ENCRYPTED_SECRET_Unmarshal(&target->encryptedSalt, buffer, size);
55  if (result != TPM_RC_SUCCESS) {
56    return result;
57  }
58  result = TPM_SE_Unmarshal(&target->sessionType, buffer, size);
59  if (result != TPM_RC_SUCCESS) {
60    return result;
61  }
62  result = TPMT_SYM_DEF_Unmarshal(&target->symmetric, buffer, size);
63  if (result != TPM_RC_SUCCESS) {
64    return result;
65  }
66  result = TPMI_ALG_HASH_Unmarshal(&target->authHash, buffer, size, FALSE);
67  if (result != TPM_RC_SUCCESS) {
68    return result;
69  }
70  if ((result == TPM_RC_SUCCESS) && *size) {
71    result = TPM_RC_SIZE;
72  }
73  return result;
74}
75
76TPM_RC Exec_StartAuthSession(TPMI_ST_COMMAND_TAG tag,
77                             BYTE** request_parameter_buffer,
78                             INT32* request_parameter_buffer_size,
79                             TPM_HANDLE request_handles[],
80                             UINT32* response_handle_buffer_size,
81                             UINT32* response_parameter_buffer_size) {
82  TPM_RC result = TPM_RC_SUCCESS;
83  StartAuthSession_In in;
84  StartAuthSession_Out out;
85#ifdef TPM_CC_StartAuthSession
86  BYTE* response_buffer;
87  INT32 response_buffer_size;
88  UINT16 bytes_marshalled;
89  UINT16 num_response_handles = 1;
90#endif
91  *response_handle_buffer_size = 0;
92  *response_parameter_buffer_size = 0;
93  // Unmarshal request parameters to input structure.
94  result = StartAuthSession_In_Unmarshal(&in, request_handles,
95                                         request_parameter_buffer,
96                                         request_parameter_buffer_size);
97  if (result != TPM_RC_SUCCESS) {
98    return result;
99  }
100  // Execute command.
101  result = TPM2_StartAuthSession(&in, &out);
102  if (result != TPM_RC_SUCCESS) {
103    return result;
104  }
105// Marshal output structure to global response buffer.
106#ifdef TPM_CC_StartAuthSession
107  response_buffer = MemoryGetResponseBuffer(TPM_CC_StartAuthSession) + 10;
108  response_buffer_size = MAX_RESPONSE_SIZE - 10;
109  bytes_marshalled = StartAuthSession_Out_Marshal(&out, tag, &response_buffer,
110                                                  &response_buffer_size);
111  *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
112  *response_parameter_buffer_size =
113      bytes_marshalled - *response_handle_buffer_size;
114  return TPM_RC_SUCCESS;
115#endif
116  return TPM_RC_COMMAND_CODE;
117}
118