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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 "Quote_fp.h"
      9 
     10 UINT16 Quote_Out_Marshal(Quote_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->quoted, 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 Quote_In_Unmarshal(Quote_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->signHandle = request_handles[0];
     45   // Unmarshal request parameters.
     46   result = TPM2B_DATA_Unmarshal(&target->qualifyingData, buffer, size);
     47   if (result != TPM_RC_SUCCESS) {
     48     return result;
     49   }
     50   result = TPMT_SIG_SCHEME_Unmarshal(&target->inScheme, buffer, size);
     51   if (result != TPM_RC_SUCCESS) {
     52     return result;
     53   }
     54   result = TPML_PCR_SELECTION_Unmarshal(&target->PCRselect, buffer, size);
     55   if (result != TPM_RC_SUCCESS) {
     56     return result;
     57   }
     58   if ((result == TPM_RC_SUCCESS) && *size) {
     59     result = TPM_RC_SIZE;
     60   }
     61   return result;
     62 }
     63 
     64 TPM_RC Exec_Quote(TPMI_ST_COMMAND_TAG tag,
     65                   BYTE** request_parameter_buffer,
     66                   INT32* request_parameter_buffer_size,
     67                   TPM_HANDLE request_handles[],
     68                   UINT32* response_handle_buffer_size,
     69                   UINT32* response_parameter_buffer_size) {
     70   TPM_RC result = TPM_RC_SUCCESS;
     71   Quote_In in;
     72   Quote_Out out;
     73 #ifdef TPM_CC_Quote
     74   BYTE* response_buffer;
     75   INT32 response_buffer_size;
     76   UINT16 bytes_marshalled;
     77   UINT16 num_response_handles = 0;
     78 #endif
     79   *response_handle_buffer_size = 0;
     80   *response_parameter_buffer_size = 0;
     81   // Unmarshal request parameters to input structure.
     82   result = Quote_In_Unmarshal(&in, request_handles, request_parameter_buffer,
     83                               request_parameter_buffer_size);
     84   if (result != TPM_RC_SUCCESS) {
     85     return result;
     86   }
     87   // Execute command.
     88   result = TPM2_Quote(&in, &out);
     89   if (result != TPM_RC_SUCCESS) {
     90     return result;
     91   }
     92 // Marshal output structure to global response buffer.
     93 #ifdef TPM_CC_Quote
     94   response_buffer = MemoryGetResponseBuffer(TPM_CC_Quote) + 10;
     95   response_buffer_size = MAX_RESPONSE_SIZE - 10;
     96   bytes_marshalled =
     97       Quote_Out_Marshal(&out, tag, &response_buffer, &response_buffer_size);
     98   *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
     99   *response_parameter_buffer_size =
    100       bytes_marshalled - *response_handle_buffer_size;
    101   return TPM_RC_SUCCESS;
    102 #endif
    103   return TPM_RC_COMMAND_CODE;
    104 }
    105