Vadim Bendebury | 5679752 | 2015-05-20 10:32:25 -0700 | [diff] [blame] | 1 | // This file was extracted from the TCG Published |
| 2 | // Trusted Platform Module Library |
| 3 | // Part 4: Supporting Routines |
| 4 | // Family "2.0" |
| 5 | // Level 00 Revision 01.16 |
| 6 | // October 30, 2014 |
| 7 | |
| 8 | #define _SWAP_H // Preclude inclusion of unnecessary simulator header |
| 9 | #include <stdlib.h> |
| 10 | #include <stdio.h> |
| 11 | #include <stdint.h> |
| 12 | #include <setjmp.h> |
| 13 | #include "bool.h" |
| 14 | #include "Platform.h" |
| 15 | #include "ExecCommand_fp.h" |
| 16 | #include "Manufacture_fp.h" |
| 17 | #include "DRTM_fp.h" |
| 18 | #include "_TPM_Init_fp.h" |
| 19 | #include "TpmFail_fp.h" |
| 20 | #include <windows.h> |
| 21 | #include "TpmTcpProtocol.h" |
| 22 | static BOOL s_isPowerOn = FALSE; |
| 23 | // |
| 24 | // |
| 25 | // Functions |
| 26 | // |
| 27 | // Signal_PowerOn() |
| 28 | // |
| 29 | // This function processes a power-on indicataion. Amoung other things, it calls the _TPM_Init() hangler. |
| 30 | // |
| 31 | void |
| 32 | _rpc__Signal_PowerOn( |
| 33 | BOOL isReset |
| 34 | ) |
| 35 | { |
| 36 | // if power is on and this is not a call to do TPM reset then return |
| 37 | if(s_isPowerOn && !isReset) |
| 38 | return; |
| 39 | // If this is a reset but power is not on, then return |
| 40 | if(isReset && !s_isPowerOn) |
| 41 | return; |
| 42 | // Pass power on signal to platform |
| 43 | if(isReset) |
| 44 | _plat__Signal_Reset(); |
| 45 | else |
| 46 | _plat__Signal_PowerOn(); |
| 47 | // Pass power on signal to TPM |
| 48 | _TPM_Init(); |
| 49 | // Set state as power on |
| 50 | s_isPowerOn = TRUE; |
| 51 | } |
| 52 | // |
| 53 | // |
| 54 | // Signal_PowerOff() |
| 55 | // |
| 56 | // This function processes the power off indication. Its primary funtion is to set a flag indicating that the next |
| 57 | // power on indication should cause _TPM_Init() to be called. |
| 58 | // |
| 59 | void |
| 60 | _rpc__Signal_PowerOff( |
| 61 | void |
| 62 | ) |
| 63 | { |
| 64 | if(!s_isPowerOn) return; |
| 65 | // Pass power off signal to platform |
| 66 | _plat__Signal_PowerOff(); |
| 67 | s_isPowerOn = FALSE; |
| 68 | return; |
| 69 | } |
| 70 | // |
| 71 | // |
| 72 | // _rpc__ForceFailureMode() |
| 73 | // |
| 74 | // This function is used to debug the Failure Mode logic of the TPM. It will set a flag in the TPM code such |
| 75 | // that the next call to TPM2_SelfTest() will result in a failure, putting the TPM into Failure Mode. |
| 76 | // |
| 77 | void |
| 78 | _rpc__ForceFailureMode( |
| 79 | void |
| 80 | ) |
| 81 | { |
| 82 | SetForceFailureMode(); |
| 83 | } |
| 84 | // |
| 85 | // |
| 86 | // _rpc__Signal_PhysicalPresenceOn() |
| 87 | // |
| 88 | // This function is called to simulate activation of the physical presence pin. |
| 89 | // |
| 90 | void |
| 91 | _rpc__Signal_PhysicalPresenceOn( |
| 92 | void |
| 93 | ) |
| 94 | { |
| 95 | // If TPM is power off, reject this signal |
| 96 | if(!s_isPowerOn) return; |
| 97 | // Pass physical presence on to platform |
| 98 | _plat__Signal_PhysicalPresenceOn(); |
| 99 | return; |
| 100 | } |
| 101 | // |
| 102 | // |
| 103 | // _rpc__Signal_PhysicalPresenceOff() |
| 104 | // |
| 105 | // This function is called to simulate deactivation of the physical presence pin. |
| 106 | // |
| 107 | void |
| 108 | _rpc__Signal_PhysicalPresenceOff( |
| 109 | void |
| 110 | ) |
| 111 | { |
| 112 | // If TPM is power off, reject this signal |
| 113 | if(!s_isPowerOn) return; |
| 114 | // Pass physical presence off to platform |
| 115 | _plat__Signal_PhysicalPresenceOff(); |
| 116 | return; |
| 117 | } |
| 118 | // |
| 119 | // |
| 120 | // _rpc__Signal_Hash_Start() |
| 121 | // |
| 122 | // This function is called to simulate a _TPM_Hash_Start() event. It will call |
| 123 | // |
| 124 | void |
| 125 | _rpc__Signal_Hash_Start( |
| 126 | void |
| 127 | ) |
| 128 | { |
| 129 | // If TPM is power off, reject this signal |
| 130 | if(!s_isPowerOn) return; |
| 131 | // Pass _TPM_Hash_Start signal to TPM |
| 132 | Signal_Hash_Start(); |
| 133 | return; |
| 134 | } |
| 135 | // |
| 136 | // |
| 137 | // _rpc__Signal_Hash_Data() |
| 138 | // |
| 139 | // This function is called to simulate a _TPM_Hash_Data() event. |
| 140 | // |
| 141 | void |
| 142 | _rpc__Signal_Hash_Data( |
| 143 | _IN_BUFFER input |
| 144 | ) |
| 145 | { |
| 146 | // If TPM is power off, reject this signal |
| 147 | if(!s_isPowerOn) return; |
| 148 | // Pass _TPM_Hash_Data signal to TPM |
| 149 | Signal_Hash_Data(input.BufferSize, input.Buffer); |
| 150 | return; |
| 151 | } |
| 152 | // |
| 153 | // |
| 154 | // _rpc__Signal_HashEnd() |
| 155 | // |
| 156 | // This function is called to simulate a _TPM_Hash_End() event. |
| 157 | // |
| 158 | void |
| 159 | _rpc__Signal_HashEnd( |
| 160 | void |
| 161 | ) |
| 162 | { |
| 163 | // If TPM is power off, reject this signal |
| 164 | if(!s_isPowerOn) return; |
| 165 | // Pass _TPM_HashEnd signal to TPM |
| 166 | Signal_Hash_End(); |
| 167 | return; |
| 168 | } |
| 169 | // |
| 170 | // Command interface Entry of a RPC call |
| 171 | void |
| 172 | _rpc__Send_Command( |
| 173 | unsigned char locality, |
| 174 | _IN_BUFFER request, |
| 175 | _OUT_BUFFER *response |
| 176 | ) |
| 177 | { |
| 178 | // If TPM is power off, reject any commands. |
| 179 | if(!s_isPowerOn) { |
| 180 | response->BufferSize = 0; |
| 181 | return; |
| 182 | } |
| 183 | // Set the locality of the command so that it doesn't change during the command |
| 184 | _plat__LocalitySet(locality); |
| 185 | // Do implementation-specific command dispatch |
| 186 | ExecuteCommand(request.BufferSize, request.Buffer, |
| 187 | &response->BufferSize, &response->Buffer); |
| 188 | return; |
| 189 | } |
| 190 | // |
| 191 | // |
| 192 | // _rpc__Signal_CancelOn() |
| 193 | // |
| 194 | // This function is used to turn on the indication to cancel a command in process. An executing command is |
| 195 | // not interrupted. The command code may perodically check this indication to see if it should abort the |
| 196 | // current command processing and returned TPM_RC_CANCELLED. |
| 197 | // |
| 198 | void |
| 199 | _rpc__Signal_CancelOn( |
| 200 | void |
| 201 | ) |
| 202 | { |
| 203 | // If TPM is power off, reject this signal |
| 204 | if(!s_isPowerOn) return; |
| 205 | // Set the platform canceling flag. |
| 206 | _plat__SetCancel(); |
| 207 | return; |
| 208 | } |
| 209 | // |
| 210 | // |
| 211 | // _rpc__Signal_CancelOff() |
| 212 | // |
| 213 | // This function is used to turn off the indication to cancel a command in process. |
| 214 | // |
| 215 | void |
| 216 | _rpc__Signal_CancelOff( |
| 217 | void |
| 218 | ) |
| 219 | { |
| 220 | // If TPM is power off, reject this signal |
| 221 | if(!s_isPowerOn) return; |
| 222 | // Set the platform canceling flag. |
| 223 | _plat__ClearCancel(); |
| 224 | return; |
| 225 | } |
| 226 | // |
| 227 | // |
| 228 | // |
| 229 | // _rpc__Signal_NvOn() |
| 230 | // |
| 231 | // In a system where the NV memory used by the TPM is not within the TPM, the NV may not always be |
| 232 | // available. This function turns on the indicator that indicates that NV is available. |
| 233 | // |
| 234 | void |
| 235 | _rpc__Signal_NvOn( |
| 236 | void |
| 237 | ) |
| 238 | { |
| 239 | // If TPM is power off, reject this signal |
| 240 | if(!s_isPowerOn) return; |
| 241 | _plat__SetNvAvail(); |
| 242 | return; |
| 243 | } |
| 244 | // |
| 245 | // |
| 246 | // _rpc__Signal_NvOff() |
| 247 | // |
| 248 | // This function is used to set the indication that NV memory is no longer available. |
| 249 | // |
| 250 | void |
| 251 | _rpc__Signal_NvOff( |
| 252 | void |
| 253 | ) |
| 254 | { |
| 255 | // If TPM is power off, reject this signal |
| 256 | if(!s_isPowerOn) return; |
| 257 | _plat__ClearNvAvail(); |
| 258 | return; |
| 259 | } |
| 260 | // |
| 261 | // |
| 262 | // _rpc__Shutdown() |
| 263 | // |
| 264 | // This function is used to stop the TPM simulator. |
| 265 | // |
| 266 | void |
| 267 | _rpc__Shutdown( |
| 268 | void |
| 269 | ) |
| 270 | { |
| 271 | RPC_STATUS status; |
| 272 | // Stop TPM |
| 273 | TPM_TearDown(); |
| 274 | status = RpcMgmtStopServerListening(NULL); |
| 275 | if (status != RPC_S_OK) |
| 276 | { |
| 277 | printf_s("RpcMgmtStopServerListening returned: 0x%x\n", status); |
| 278 | exit(status); |
| 279 | } |
| 280 | status = RpcServerUnregisterIf(NULL, NULL, FALSE); |
| 281 | if (status != RPC_S_OK) |
| 282 | { |
| 283 | printf_s("RpcServerUnregisterIf returned 0x%x\n", status); |
| 284 | exit(status); |
| 285 | } |
| 286 | } |