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
ObjectChangeAuth_Out_Marshal(ObjectChangeAuth_Out * source,TPMI_ST_COMMAND_TAG tag,BYTE ** buffer,INT32 * size)10 UINT16 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(¶meter_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(¶meter_size, ¶meter_size_location,
32 ¶meter_size_size);
33 }
34 return total_size;
35 }
36
ObjectChangeAuth_In_Unmarshal(ObjectChangeAuth_In * target,TPM_HANDLE request_handles[],BYTE ** buffer,INT32 * size)37 TPM_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
Exec_ObjectChangeAuth(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)56 TPM_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