/********************************************************************************/ /* */ /* Process the commands */ /* Written by Ken Goldman */ /* IBM Thomas J. Watson Research Center */ /* */ /* 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. 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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. //** Includes and Data Definitions #include "simulatorPrivate.h" static bool s_isPowerOn = false; //** Functions //*** 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; } //*** Signal_Restart() // This function processes the clock restart indication. All it does is call // the platform function. void _rpc__Signal_Restart(void) { _plat__TimerRestart(); } //***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; } //*** _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) { #if SIMULATION SetForceFailureMode(); #endif return; } //*** _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; } //*** _rpc__Signal_PhysicalPresenceOff() // This function is called to simulate deactivation of the physical presence "pin". void _rpc__Signal_PhysicalPresenceOff(void) { // If TPM is power on... if(s_isPowerOn) // ... pass physical presence off to platform _plat__Signal_PhysicalPresenceOff(); return; } //*** _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; } //*** _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; } //*** _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; } //*** _rpc__Send_Command() // This is the interface to the TPM code. // Return Type: void 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; } //*** _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 power is on... if(s_isPowerOn) // ... set the platform canceling flag. _plat__SetCancel(); return; } //*** _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 on... if(s_isPowerOn) // ... set the platform canceling flag. _plat__ClearCancel(); return; } //*** _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; } //*** _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); //*** _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 return; } //*** _rpc__ACT_GetSignaled() // This function is used to count the ACT second tick. bool _rpc__ACT_GetSignaled(uint32_t actHandle) { #if ACT_SUPPORT // If TPM power is on... if(s_isPowerOn) // ... query the platform return _plat__ACT_GetSignaled(actHandle - TPM_RH_ACT_0); #else // ACT_SUPPORT NOT_REFERENCED(actHandle); #endif // ACT_SUPPORT return false; } //*** _rpc__SetTpmFirmwareHash() // This function is used to modify the firmware's hash during simulation. void _rpc__SetTpmFirmwareHash(uint32_t hash) { #if SIMULATION _plat__SetTpmFirmwareHash(hash); #endif } //*** _rpc__SetTpmFirmwareSvn() // This function is used to modify the firmware's SVN during simulation. void _rpc__SetTpmFirmwareSvn(uint16_t svn) { #if SIMULATION _plat__SetTpmFirmwareSvn(svn); #endif } #if 0 /* 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 #include #include #include #include "TpmBuildSwitches.h" #ifdef TPM_WINDOWS #include #include #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 */ #define TPM_RH_ACT_0 0x40000110 #endif