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Diffstat (limited to 'src/tpm2/TPMCmdp.c')
| -rw-r--r-- | src/tpm2/TPMCmdp.c | 364 |
1 files changed, 364 insertions, 0 deletions
diff --git a/src/tpm2/TPMCmdp.c b/src/tpm2/TPMCmdp.c new file mode 100644 index 0000000..041b780 --- /dev/null +++ b/src/tpm2/TPMCmdp.c @@ -0,0 +1,364 @@ +/********************************************************************************/ +/* */ +/* Process the commands */ +/* Written by Ken Goldman */ +/* IBM Thomas J. Watson Research Center */ +/* $Id: TPMCmdp.c 1658 2021-01-22 23:14:01Z kgoldman $ */ +/* */ +/* Licenses and Notices */ +/* */ +/* 1. Copyright Licenses: */ +/* */ +/* - Trusted Computing Group (TCG) grants to the user of the source code in */ +/* this specification (the "Source Code") a worldwide, irrevocable, */ +/* nonexclusive, royalty free, copyright license to reproduce, create */ +/* derivative works, distribute, display and perform the Source Code and */ +/* derivative works thereof, and to grant others the rights granted herein. */ +/* */ +/* - The TCG grants to the user of the other parts of the specification */ +/* (other than the Source Code) the rights to reproduce, distribute, */ +/* display, and perform the specification solely for the purpose of */ +/* developing products based on such documents. */ +/* */ +/* 2. Source Code Distribution Conditions: */ +/* */ +/* - Redistributions of Source Code must retain the above copyright licenses, */ +/* this list of conditions and the following disclaimers. */ +/* */ +/* - Redistributions in binary form must reproduce the above copyright */ +/* licenses, this list of conditions and the following disclaimers in the */ +/* documentation and/or other materials provided with the distribution. */ +/* */ +/* 3. Disclaimers: */ +/* */ +/* - THE COPYRIGHT LICENSES SET FORTH ABOVE DO NOT REPRESENT ANY FORM OF */ +/* LICENSE OR WAIVER, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, WITH */ +/* RESPECT TO PATENT RIGHTS HELD BY TCG MEMBERS (OR OTHER THIRD PARTIES) */ +/* THAT MAY BE NECESSARY TO IMPLEMENT THIS SPECIFICATION OR OTHERWISE. */ +/* Contact TCG Administration (admin@trustedcomputinggroup.org) for */ +/* information on specification licensing rights available through TCG */ +/* membership agreements. */ +/* */ +/* - THIS SPECIFICATION IS PROVIDED "AS IS" WITH NO EXPRESS OR IMPLIED */ +/* WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR */ +/* FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, COMPLETENESS, OR */ +/* NONINFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS, OR ANY WARRANTY */ +/* OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. */ +/* */ +/* - Without limitation, TCG and its members and licensors disclaim all */ +/* liability, including liability for infringement of any proprietary */ +/* rights, relating to use of information in this specification and to the */ +/* implementation of this specification, and TCG disclaims all liability for */ +/* cost of procurement of substitute goods or services, lost profits, loss */ +/* of use, loss of data or any incidental, consequential, direct, indirect, */ +/* or special damages, whether under contract, tort, warranty or otherwise, */ +/* arising in any way out of use or reliance upon this specification or any */ +/* information herein. */ +/* */ +/* (c) Copyright IBM Corp. and others, 2016 - 2021 */ +/* */ +/********************************************************************************/ + +/* D.4 TPMCmdp.c */ +/* D.4.1. Description */ +/* This file contains the functions that process the commands received on the control port or the + command port of the simulator. The control port is used to allow simulation of hardware events + (such as, _TPM_Hash_Start()) to test the simulated TPM's reaction to those events. This improves + code coverage of the testing. */ +/* D.4.2. Includes and Data Definitions */ +#include <stdlib.h> +#include <stdio.h> +#include <setjmp.h> +#include <stdbool.h> +#include "TpmBuildSwitches.h" +#ifdef TPM_WINDOWS +#include <windows.h> +#include <winsock.h> +#endif +#include "Platform_fp.h" +#include "PlatformACT_fp.h" +#include "ExecCommand_fp.h" +#include "Manufacture_fp.h" +#include "_TPM_Init_fp.h" +#include "_TPM_Hash_Start_fp.h" +#include "_TPM_Hash_Data_fp.h" +#include "_TPM_Hash_End_fp.h" +#include "TpmFail_fp.h" +#include "TpmTcpProtocol.h" +#include "Simulator_fp.h" +#ifdef TPM_WINDOWS +#include "TcpServer_fp.h" /* kgold */ +#endif +#ifdef TPM_POSIX +#include "TcpServerPosix_fp.h" /* kgold */ +#endif +#include "TpmProfile.h" /* kgold */ + +static bool s_isPowerOn = false; +/* D.4.3. Functions */ +/* D.4.3.1. Signal_PowerOn() */ +/* This function processes a power-on indication. Among other things, it calls the _TPM_Init() + handler. */ +void +_rpc__Signal_PowerOn( + bool isReset + ) +{ + // if power is on and this is not a call to do TPM reset then return + if(s_isPowerOn && !isReset) + return; + // If this is a reset but power is not on, then return + if(isReset && !s_isPowerOn) + return; + // Unless this is just a reset, pass power on signal to platform + if(!isReset) + _plat__Signal_PowerOn(); + // Power on and reset both lead to _TPM_Init() + _plat__Signal_Reset(); + // Set state as power on + s_isPowerOn = true; +} +#if 0 /* libtpms added */ +/* D.4.3.2. Signal_Restart() */ +/* This function processes the clock restart indication. All it does is call the platform + function. */ +void +_rpc__Signal_Restart( + void + ) +{ + _plat__TimerRestart(); +} +#endif /* libtpms added */ +/* D.4.3.3. Signal_PowerOff() */ +/* This function processes the power off indication. Its primary function is to set a flag + indicating that the next power on indication should cause _TPM_Init() to be called. */ +void +_rpc__Signal_PowerOff( + void + ) +{ + if(s_isPowerOn) + // Pass power off signal to platform + _plat__Signal_PowerOff(); + // This could be redundant, but... + s_isPowerOn = false; + return; +} +#if 0 /* libtpms added */ +/* D.4.3.4. _rpc__ForceFailureMode() */ +/* This function is used to debug the Failure Mode logic of the TPM. It will set a flag in the TPM + code such that the next call to TPM2_SelfTest() will result in a failure, putting the TPM into + Failure Mode. */ +void +_rpc__ForceFailureMode( + void + ) +{ + SetForceFailureMode(); + return; +} +/* D.4.3.5. _rpc__Signal_PhysicalPresenceOn() */ +/* This function is called to simulate activation of the physical presence pin. */ +void +_rpc__Signal_PhysicalPresenceOn( + void + ) +{ + // If TPM power is on + if(s_isPowerOn) + // Pass physical presence on to platform + _plat__Signal_PhysicalPresenceOn(); + return; +} +/* D.4.3.6. _rpc__Signal_PhysicalPresenceOff() */ +/* This function is called to simulate deactivation of the physical presence pin. */ +void +_rpc__Signal_PhysicalPresenceOff( + void + ) +{ + // If TPM power is on + if(s_isPowerOn) + // Pass physical presence off to platform + _plat__Signal_PhysicalPresenceOff(); + return; +} +/* D.4.3.7. _rpc__Signal_Hash_Start() */ +/* This function is called to simulate a _TPM_Hash_Start() event. It will call */ +void +_rpc__Signal_Hash_Start( + void + ) +{ + // If TPM power is on + if(s_isPowerOn) + // Pass _TPM_Hash_Start signal to TPM + _TPM_Hash_Start(); + return; +} +/* D.4.3.8. _rpc__Signal_Hash_Data() */ +/* This function is called to simulate a _TPM_Hash_Data() event. */ +void +_rpc__Signal_Hash_Data( + _IN_BUFFER input + ) +{ + // If TPM power is on + if(s_isPowerOn) + // Pass _TPM_Hash_Data signal to TPM + _TPM_Hash_Data(input.BufferSize, input.Buffer); + return; +} +/* D.4.3.9. _rpc__Signal_HashEnd() */ +/* This function is called to simulate a _TPM_Hash_End() event. */ +void +_rpc__Signal_HashEnd( + void + ) +{ + // If TPM power is on + if(s_isPowerOn) + // Pass _TPM_HashEnd signal to TPM + _TPM_Hash_End(); + return; +} +#endif /* libtpms added */ +/* D.4.3.10. rpc_Send_Command() */ +/* This is the interface to the TPM code. */ +void +_rpc__Send_Command( + unsigned char locality, + _IN_BUFFER request, + _OUT_BUFFER *response + ) +{ + // If TPM is power off, reject any commands. + if(!s_isPowerOn) + { + response->BufferSize = 0; + return; + } + // Set the locality of the command so that it doesn't change during the command + _plat__LocalitySet(locality); + // Do implementation-specific command dispatch + _plat__RunCommand(request.BufferSize, request.Buffer, + &response->BufferSize, &response->Buffer); + return; +} +/* D.4.3.10. _rpc__Signal_CancelOn() */ +/* This function is used to turn on the indication to cancel a command in process. An executing + command is not interrupted. The command code may periodically check this indication to see if it + should abort the current command processing and returned TPM_RC_CANCELLED. */ +void +_rpc__Signal_CancelOn( + void + ) +{ + // If TPM is power off, reject this signal + if(s_isPowerOn) + // Set the platform canceling flag. + _plat__SetCancel(); + return; +} +/* D.4.3.11. _rpc__Signal_CancelOff() */ +/* This function is used to turn off the indication to cancel a command in process. */ +void +_rpc__Signal_CancelOff( + void + ) +{ + // If TPM power is n + if(s_isPowerOn) + // Set the platform canceling flag. + _plat__ClearCancel(); + return; +} +/* D.4.3.12. _rpc__Signal_NvOn() */ +/* In a system where the NV memory used by the TPM is not within the TPM, the NV may not always be + available. This function turns on the indicator that indicates that NV is available. */ +void +_rpc__Signal_NvOn( + void + ) +{ + // If TPM power is on + if(s_isPowerOn) + // Make the NV available + _plat__SetNvAvail(); + return; +} +#if 0 /* libtpms added */ +/* D.4.3.13. _rpc__Signal_NvOff() */ +/* This function is used to set the indication that NV memory is no longer available. */ +void +_rpc__Signal_NvOff( + void + ) +{ + // If TPM power is on + if(s_isPowerOn) + // Make NV not available + _plat__ClearNvAvail(); + return; +} +void RsaKeyCacheControl(int state); +/* D.4.3.14. _rpc__RsaKeyCacheControl() */ +/* This function is used to enable/disable the use of the RSA key cache during simulation. */ +void +_rpc__RsaKeyCacheControl( + int state + ) +{ +#if USE_RSA_KEY_CACHE + RsaKeyCacheControl(state); +#else + NOT_REFERENCED(state); +#endif +} + +#define TPM_RH_ACT_0 0x40000110 + +/* D.4.2.15. _rpc__ACT_GetSignaled() */ +/* This function is used to count the ACT second tick. */ +bool +_rpc__ACT_GetSignaled( + uint32_t actHandle + ) +{ + // If TPM power is on + if (s_isPowerOn) + // Query the platform + return _plat__ACT_GetSignaled(actHandle - TPM_RH_ACT_0); + return false; +} +#endif /* libtpms added */ + +/* libtpms added begin */ +static bool tpmEstablished; + +void +_rpc__Signal_SetTPMEstablished(void) +{ + tpmEstablished = TRUE; +} + +void +_rpc__Signal_ResetTPMEstablished(void) +{ + /* check for locality 3 or 4 already done by caller */ + tpmEstablished = FALSE; +} + +bool +_rpc__Signal_GetTPMEstablished(void) +{ + return tpmEstablished; +} + +bool +_rpc__Signal_IsPowerOn(void) +{ + return s_isPowerOn; +} +/* libtpms added end */ |