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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 "GetTime_fp.h"
      9 
     10 UINT16 GetTime_Out_Marshal(GetTime_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_ATTEST_Marshal(&source->timeInfo, buffer, size);
     28   total_size += TPMT_SIGNATURE_Marshal(&source->signature, 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 
     38 TPM_RC GetTime_In_Unmarshal(GetTime_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->privacyAdminHandle = request_handles[0];
     45   target->signHandle = request_handles[1];
     46   // Unmarshal request parameters.
     47   result = TPM2B_DATA_Unmarshal(&target->qualifyingData, buffer, size);
     48   if (result != TPM_RC_SUCCESS) {
     49     return result;
     50   }
     51   result = TPMT_SIG_SCHEME_Unmarshal(&target->inScheme, buffer, size);
     52   if (result != TPM_RC_SUCCESS) {
     53     return result;
     54   }
     55   if ((result == TPM_RC_SUCCESS) && *size) {
     56     result = TPM_RC_SIZE;
     57   }
     58   return result;
     59 }
     60 
     61 TPM_RC Exec_GetTime(TPMI_ST_COMMAND_TAG tag,
     62                     BYTE** request_parameter_buffer,
     63                     INT32* request_parameter_buffer_size,
     64                     TPM_HANDLE request_handles[],
     65                     UINT32* response_handle_buffer_size,
     66                     UINT32* response_parameter_buffer_size) {
     67   TPM_RC result = TPM_RC_SUCCESS;
     68   GetTime_In in;
     69   GetTime_Out out;
     70 #ifdef TPM_CC_GetTime
     71   BYTE* response_buffer;
     72   INT32 response_buffer_size;
     73   UINT16 bytes_marshalled;
     74   UINT16 num_response_handles = 0;
     75 #endif
     76   *response_handle_buffer_size = 0;
     77   *response_parameter_buffer_size = 0;
     78   // Unmarshal request parameters to input structure.
     79   result = GetTime_In_Unmarshal(&in, request_handles, request_parameter_buffer,
     80                                 request_parameter_buffer_size);
     81   if (result != TPM_RC_SUCCESS) {
     82     return result;
     83   }
     84   // Execute command.
     85   result = TPM2_GetTime(&in, &out);
     86   if (result != TPM_RC_SUCCESS) {
     87     return result;
     88   }
     89 // Marshal output structure to global response buffer.
     90 #ifdef TPM_CC_GetTime
     91   response_buffer = MemoryGetResponseBuffer(TPM_CC_GetTime) + 10;
     92   response_buffer_size = MAX_RESPONSE_SIZE - 10;
     93   bytes_marshalled =
     94       GetTime_Out_Marshal(&out, tag, &response_buffer, &response_buffer_size);
     95   *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
     96   *response_parameter_buffer_size =
     97       bytes_marshalled - *response_handle_buffer_size;
     98   return TPM_RC_SUCCESS;
     99 #endif
    100   return TPM_RC_COMMAND_CODE;
    101 }
    102