Home | History | Annotate | Download | only in tpm2 
      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 
     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(&parameter_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(&parameter_size, &parameter_size_location,
     32                    &parameter_size_size);
     33   }
     34   return total_size;
     35 }
     36 
     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 
     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