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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 
PolicySecret_Out_Marshal(PolicySecret_Out * source,TPMI_ST_COMMAND_TAG tag,BYTE ** buffer,INT32 * size)10 UINT16 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 
PolicySecret_In_Unmarshal(PolicySecret_In * target,TPM_HANDLE request_handles[],BYTE ** buffer,INT32 * size)38 TPM_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 
Exec_PolicySecret(TPMI_ST_COMMAND_TAG tag,BYTE ** request_parameter_buffer,INT32 * request_parameter_buffer_size,TPM_HANDLE request_handles[],UINT32 * response_handle_buffer_size,UINT32 * response_parameter_buffer_size)69 TPM_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