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 
StartAuthSession_Out_Marshal(StartAuthSession_Out * source,TPMI_ST_COMMAND_TAG tag,BYTE ** buffer,INT32 * size)10 UINT16 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 
StartAuthSession_In_Unmarshal(StartAuthSession_In * target,TPM_HANDLE request_handles[],BYTE ** buffer,INT32 * size)40 TPM_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 
Exec_StartAuthSession(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)76 TPM_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