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 "PolicySigned_fp.h"
      9 
     10 UINT16 PolicySigned_Out_Marshal(PolicySigned_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_TIMEOUT_Marshal(&source->timeout, buffer, size);
     28   total_size += TPMT_TK_AUTH_Marshal(&source->policyTicket, 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 PolicySigned_In_Unmarshal(PolicySigned_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->authObject = request_handles[0];
     45   target->policySession = request_handles[1];
     46   // Unmarshal request parameters.
     47   result = TPM2B_NONCE_Unmarshal(&target->nonceTPM, buffer, size);
     48   if (result != TPM_RC_SUCCESS) {
     49     return result;
     50   }
     51   result = TPM2B_DIGEST_Unmarshal(&target->cpHashA, buffer, size);
     52   if (result != TPM_RC_SUCCESS) {
     53     return result;
     54   }
     55   result = TPM2B_NONCE_Unmarshal(&target->policyRef, buffer, size);
     56   if (result != TPM_RC_SUCCESS) {
     57     return result;
     58   }
     59   result = INT32_Unmarshal(&target->expiration, buffer, size);
     60   if (result != TPM_RC_SUCCESS) {
     61     return result;
     62   }
     63   result = TPMT_SIGNATURE_Unmarshal(&target->auth, buffer, size);
     64   if (result != TPM_RC_SUCCESS) {
     65     return result;
     66   }
     67   if ((result == TPM_RC_SUCCESS) && *size) {
     68     result = TPM_RC_SIZE;
     69   }
     70   return result;
     71 }
     72 
     73 TPM_RC Exec_PolicySigned(TPMI_ST_COMMAND_TAG tag,
     74                          BYTE** request_parameter_buffer,
     75                          INT32* request_parameter_buffer_size,
     76                          TPM_HANDLE request_handles[],
     77                          UINT32* response_handle_buffer_size,
     78                          UINT32* response_parameter_buffer_size) {
     79   TPM_RC result = TPM_RC_SUCCESS;
     80   PolicySigned_In in;
     81   PolicySigned_Out out;
     82 #ifdef TPM_CC_PolicySigned
     83   BYTE* response_buffer;
     84   INT32 response_buffer_size;
     85   UINT16 bytes_marshalled;
     86   UINT16 num_response_handles = 0;
     87 #endif
     88   *response_handle_buffer_size = 0;
     89   *response_parameter_buffer_size = 0;
     90   // Unmarshal request parameters to input structure.
     91   result =
     92       PolicySigned_In_Unmarshal(&in, request_handles, request_parameter_buffer,
     93                                 request_parameter_buffer_size);
     94   if (result != TPM_RC_SUCCESS) {
     95     return result;
     96   }
     97   // Execute command.
     98   result = TPM2_PolicySigned(&in, &out);
     99   if (result != TPM_RC_SUCCESS) {
    100     return result;
    101   }
    102 // Marshal output structure to global response buffer.
    103 #ifdef TPM_CC_PolicySigned
    104   response_buffer = MemoryGetResponseBuffer(TPM_CC_PolicySigned) + 10;
    105   response_buffer_size = MAX_RESPONSE_SIZE - 10;
    106   bytes_marshalled = PolicySigned_Out_Marshal(&out, tag, &response_buffer,
    107                                               &response_buffer_size);
    108   *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE);
    109   *response_parameter_buffer_size =
    110       bytes_marshalled - *response_handle_buffer_size;
    111   return TPM_RC_SUCCESS;
    112 #endif
    113   return TPM_RC_COMMAND_CODE;
    114 }
    115