| //**********************************************************************; |
| // Copyright (c) 2015, Intel Corporation |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, |
| // this list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| // THE POSSIBILITY OF SUCH DAMAGE. |
| //**********************************************************************; |
| |
| #include <sapi/tpm20.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include "sysapi_util.h" |
| |
| |
| // Allocates space for and initializes system |
| // context structure. |
| // Returns: |
| // ptr to system context, if successful |
| // NULL pointer, if not successful. |
| |
| TSS2_SYS_CONTEXT *InitSysContext( |
| UINT16 maxCommandSize, |
| TSS2_TCTI_CONTEXT *tctiContext, |
| TSS2_ABI_VERSION *abiVersion |
| ) |
| { |
| UINT32 contextSize; |
| TSS2_RC rval; |
| TSS2_SYS_CONTEXT *sysContext; |
| |
| // Get the size needed for system context structure. |
| contextSize = Tss2_Sys_GetContextSize( maxCommandSize ); |
| |
| // Allocate the space for the system context structure. |
| sysContext = malloc( contextSize ); |
| |
| if( sysContext != 0 ) |
| { |
| // Initialized the system context structure. |
| rval = Tss2_Sys_Initialize( sysContext, contextSize, tctiContext, abiVersion ); |
| |
| if( rval == TSS2_RC_SUCCESS ) |
| return sysContext; |
| else |
| return 0; |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| void TeardownSysContext( TSS2_SYS_CONTEXT **sysContext ) |
| { |
| if( *sysContext != 0 ) |
| { |
| Tss2_Sys_Finalize(*sysContext); |
| |
| free(*sysContext); |
| *sysContext = 0; |
| } |
| } |