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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 "ReadPublic_fp.h"
      9 
     10 UINT16 ReadPublic_Out_Marshal(ReadPublic_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_PUBLIC_Marshal(&source->outPublic, buffer, size);
     28   total_size += TPM2B_NAME_Marshal(&source->name, buffer, size);
     29   total_size += TPM2B_NAME_Marshal(&source->qualifiedName, buffer, size);
     30   // Compute actual parameter_size. Don't add result to total_size.
     31   if (tag == TPM_ST_SESSIONS) {
     32     parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE);
     33     UINT32_Marshal(&parameter_size, &parameter_size_location,
     34                    &parameter_size_size);
     35   }
     36   return total_size;
     37 }
     38 
     39 TPM_RC ReadPublic_In_Unmarshal(ReadPublic_In* target,
     40                                TPM_HANDLE request_handles[],
     41                                BYTE** buffer,
     42                                INT32* size) {
     43   TPM_RC result = TPM_RC_SUCCESS;
     44   // Get request handles from request_handles array.
     45   target->objectHandle = request_handles[0];
     46   if ((result == TPM_RC_SUCCESS) && *size) {
     47     result = TPM_RC_SIZE;
     48   }
     49   return result;
     50 }
     51 
     52 TPM_RC Exec_ReadPublic(TPMI_ST_COMMAND_TAG tag,
     53                        BYTE** request_parameter_buffer,
     54                        INT32* request_parameter_buffer_size,
     55                        TPM_HANDLE request_handles[],
     56                        UINT32* response_handle_buffer_size,
     57                        UINT32* response_parameter_buffer_size) {
     58   TPM_RC result = TPM_RC_SUCCESS;
     59   ReadPublic_In in;
     60   ReadPublic_Out out;
     61 #ifdef TPM_CC_ReadPublic
     62   BYTE* response_buffer;
     63   INT32 response_buffer_size;
     64   UINT16 bytes_marshalled;
     65   UINT16 num_response_handles = 0;
     66 #endif
     67   *response_handle_buffer_size = 0;
     68   *response_parameter_buffer_size = 0;
     69   // Unmarshal request parameters to input structure.
     70   result =
     71       ReadPublic_In_Unmarshal(&in, request_handles, request_parameter_buffer,
     72                               request_parameter_buffer_size);
     73   if (result != TPM_RC_SUCCESS) {
     74     return result;
     75   }
     76   // Execute command.
     77   result = TPM2_ReadPublic(&in, &out);
     78   if (result != TPM_RC_SUCCESS) {
     79     return result;
     80   }
     81 // Marshal output structure to global response buffer.
     82 #ifdef TPM_CC_ReadPublic
     83   response_buffer = MemoryGetResponseBuffer(TPM_CC_ReadPublic) + 10;
     84   response_buffer_size = MAX_RESPONSE_SIZE - 10;
     85   bytes_marshalled = ReadPublic_Out_Marshal(&out, tag, &response_buffer,
     86                                             &response_buffer_size);
     87   *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
     88   *response_parameter_buffer_size =
     89       bytes_marshalled - *response_handle_buffer_size;
     90   return TPM_RC_SUCCESS;
     91 #endif
     92   return TPM_RC_COMMAND_CODE;
     93 }
     94