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 "StartAuthSession_fp.h" 9 10 UINT16 StartAuthSession_Out_Marshal(StartAuthSession_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 = 1; 19 // Marshal response handles. 20 total_size += 21 TPMI_SH_AUTH_SESSION_Marshal(&source->sessionHandle, buffer, size); 22 // Add parameter_size=0 to indicate size of the parameter area. Will be 23 // replaced later by computed parameter_size. 24 if (tag == TPM_ST_SESSIONS) { 25 parameter_size_location = *buffer; 26 // Don't add to total_size, but increment *buffer and decrement *size. 27 UINT32_Marshal(¶meter_size, buffer, size); 28 } 29 // Marshal response parameters. 30 total_size += TPM2B_NONCE_Marshal(&source->nonceTPM, buffer, size); 31 // Compute actual parameter_size. Don't add result to total_size. 32 if (tag == TPM_ST_SESSIONS) { 33 parameter_size = total_size - num_response_handles * sizeof(TPM_HANDLE); 34 UINT32_Marshal(¶meter_size, ¶meter_size_location, 35 ¶meter_size_size); 36 } 37 return total_size; 38 } 39 40 TPM_RC StartAuthSession_In_Unmarshal(StartAuthSession_In* target, 41 TPM_HANDLE request_handles[], 42 BYTE** buffer, 43 INT32* size) { 44 TPM_RC result = TPM_RC_SUCCESS; 45 // Get request handles from request_handles array. 46 target->tpmKey = request_handles[0]; 47 target->bind = request_handles[1]; 48 // Unmarshal request parameters. 49 result = TPM2B_NONCE_Unmarshal(&target->nonceCaller, buffer, size); 50 if (result != TPM_RC_SUCCESS) { 51 return result; 52 } 53 result = 54 TPM2B_ENCRYPTED_SECRET_Unmarshal(&target->encryptedSalt, buffer, size); 55 if (result != TPM_RC_SUCCESS) { 56 return result; 57 } 58 result = TPM_SE_Unmarshal(&target->sessionType, buffer, size); 59 if (result != TPM_RC_SUCCESS) { 60 return result; 61 } 62 result = TPMT_SYM_DEF_Unmarshal(&target->symmetric, buffer, size); 63 if (result != TPM_RC_SUCCESS) { 64 return result; 65 } 66 result = TPMI_ALG_HASH_Unmarshal(&target->authHash, buffer, size, FALSE); 67 if (result != TPM_RC_SUCCESS) { 68 return result; 69 } 70 if ((result == TPM_RC_SUCCESS) && *size) { 71 result = TPM_RC_SIZE; 72 } 73 return result; 74 } 75 76 TPM_RC Exec_StartAuthSession(TPMI_ST_COMMAND_TAG tag, 77 BYTE** request_parameter_buffer, 78 INT32* request_parameter_buffer_size, 79 TPM_HANDLE request_handles[], 80 UINT32* response_handle_buffer_size, 81 UINT32* response_parameter_buffer_size) { 82 TPM_RC result = TPM_RC_SUCCESS; 83 StartAuthSession_In in; 84 StartAuthSession_Out out; 85 #ifdef TPM_CC_StartAuthSession 86 BYTE* response_buffer; 87 INT32 response_buffer_size; 88 UINT16 bytes_marshalled; 89 UINT16 num_response_handles = 1; 90 #endif 91 *response_handle_buffer_size = 0; 92 *response_parameter_buffer_size = 0; 93 // Unmarshal request parameters to input structure. 94 result = StartAuthSession_In_Unmarshal(&in, request_handles, 95 request_parameter_buffer, 96 request_parameter_buffer_size); 97 if (result != TPM_RC_SUCCESS) { 98 return result; 99 } 100 // Execute command. 101 result = TPM2_StartAuthSession(&in, &out); 102 if (result != TPM_RC_SUCCESS) { 103 return result; 104 } 105 // Marshal output structure to global response buffer. 106 #ifdef TPM_CC_StartAuthSession 107 response_buffer = MemoryGetResponseBuffer(TPM_CC_StartAuthSession) + 10; 108 response_buffer_size = MAX_RESPONSE_SIZE - 10; 109 bytes_marshalled = StartAuthSession_Out_Marshal(&out, tag, &response_buffer, 110 &response_buffer_size); 111 *response_handle_buffer_size = num_response_handles * sizeof(TPM_HANDLE); 112 *response_parameter_buffer_size = 113 bytes_marshalled - *response_handle_buffer_size; 114 return TPM_RC_SUCCESS; 115 #endif 116 return TPM_RC_COMMAND_CODE; 117 } 118
