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 "Commit_fp.h"
9
Commit_Out_Marshal(Commit_Out * source,TPMI_ST_COMMAND_TAG tag,BYTE ** buffer,INT32 * size)10 UINT16 Commit_Out_Marshal(Commit_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(¶meter_size, buffer, size);
25 }
26 // Marshal response parameters.
27 total_size += TPM2B_ECC_POINT_Marshal(&source->K, buffer, size);
28 total_size += TPM2B_ECC_POINT_Marshal(&source->L, buffer, size);
29 total_size += TPM2B_ECC_POINT_Marshal(&source->E, buffer, size);
30 total_size += UINT16_Marshal(&source->counter, 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(¶meter_size, ¶meter_size_location,
35 ¶meter_size_size);
36 }
37 return total_size;
38 }
39
Commit_In_Unmarshal(Commit_In * target,TPM_HANDLE request_handles[],BYTE ** buffer,INT32 * size)40 TPM_RC Commit_In_Unmarshal(Commit_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->signHandle = request_handles[0];
47 // Unmarshal request parameters.
48 result = TPM2B_ECC_POINT_Unmarshal(&target->P1, buffer, size);
49 if (result != TPM_RC_SUCCESS) {
50 return result;
51 }
52 result = TPM2B_SENSITIVE_DATA_Unmarshal(&target->s2, buffer, size);
53 if (result != TPM_RC_SUCCESS) {
54 return result;
55 }
56 result = TPM2B_ECC_PARAMETER_Unmarshal(&target->y2, buffer, size);
57 if (result != TPM_RC_SUCCESS) {
58 return result;
59 }
60 if ((result == TPM_RC_SUCCESS) && *size) {
61 result = TPM_RC_SIZE;
62 }
63 return result;
64 }
65
Exec_Commit(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)66 TPM_RC Exec_Commit(TPMI_ST_COMMAND_TAG tag,
67 BYTE** request_parameter_buffer,
68 INT32* request_parameter_buffer_size,
69 TPM_HANDLE request_handles[],
70 UINT32* response_handle_buffer_size,
71 UINT32* response_parameter_buffer_size) {
72 TPM_RC result = TPM_RC_SUCCESS;
73 Commit_In in;
74 Commit_Out out;
75 #ifdef TPM_CC_Commit
76 BYTE* response_buffer;
77 INT32 response_buffer_size;
78 UINT16 bytes_marshalled;
79 UINT16 num_response_handles = 0;
80 #endif
81 *response_handle_buffer_size = 0;
82 *response_parameter_buffer_size = 0;
83 // Unmarshal request parameters to input structure.
84 result = Commit_In_Unmarshal(&in, request_handles, request_parameter_buffer,
85 request_parameter_buffer_size);
86 if (result != TPM_RC_SUCCESS) {
87 return result;
88 }
89 // Execute command.
90 result = TPM2_Commit(&in, &out);
91 if (result != TPM_RC_SUCCESS) {
92 return result;
93 }
94 // Marshal output structure to global response buffer.
95 #ifdef TPM_CC_Commit
96 response_buffer = MemoryGetResponseBuffer(TPM_CC_Commit) + 10;
97 response_buffer_size = MAX_RESPONSE_SIZE - 10;
98 bytes_marshalled =
99 Commit_Out_Marshal(&out, tag, &response_buffer, &response_buffer_size);
100 *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
101 *response_parameter_buffer_size =
102 bytes_marshalled - *response_handle_buffer_size;
103 return TPM_RC_SUCCESS;
104 #endif
105 return TPM_RC_COMMAND_CODE;
106 }
107