]> git.proxmox.com Git - mirror_edk2.git/blobdiff - SecurityPkg/Tcg/TcgConfigDxe/TcgConfigImpl.c
SecurityPkg: Replace BSD License with BSD+Patent License
[mirror_edk2.git] / SecurityPkg / Tcg / TcgConfigDxe / TcgConfigImpl.c
index f884226d97ceca9fa036b0b47ba18464e3612335..68cd62307c3509bbdc7f0e8d9742fe88b2db09a9 100644 (file)
@@ -1,14 +1,8 @@
 /** @file\r
   HII Config Access protocol implementation of TCG configuration module.\r
 \r
-Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution.  The full text of the license may be found at \r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+Copyright (c) 2011 - 2019, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 **/\r
 \r
@@ -40,7 +34,7 @@ HII_VENDOR_DEVICE_PATH          mTcgHiiVendorDevicePath = {
   {\r
     END_DEVICE_PATH_TYPE,\r
     END_ENTIRE_DEVICE_PATH_SUBTYPE,\r
-    { \r
+    {\r
       (UINT8) (END_DEVICE_PATH_LENGTH),\r
       (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r
     }\r
@@ -73,7 +67,7 @@ GetTpmState (
   UINT8                         CmdBuf[64];\r
 \r
   ASSERT (TcgProtocol != NULL);\r
-  \r
+\r
   //\r
   // Get TPM Permanent flags (TpmEnable, TpmActivate)\r
   //\r
@@ -82,7 +76,7 @@ GetTpmState (
     *(UINT16*)&CmdBuf[0]  = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
     *(UINT32*)&CmdBuf[2]  = SwapBytes32 (TpmSendSize);\r
     *(UINT32*)&CmdBuf[6]  = SwapBytes32 (TPM_ORD_GetCapability);\r
-  \r
+\r
     *(UINT32*)&CmdBuf[10] = SwapBytes32 (TPM_CAP_FLAG);\r
     *(UINT32*)&CmdBuf[14] = SwapBytes32 (sizeof (TPM_CAP_FLAG_PERMANENT));\r
     *(UINT32*)&CmdBuf[18] = SwapBytes32 (TPM_CAP_FLAG_PERMANENT);\r
@@ -93,12 +87,12 @@ GetTpmState (
                             CmdBuf,\r
                             sizeof (CmdBuf),\r
                             CmdBuf\r
-                            ); \r
+                            );\r
     TpmRsp = (TPM_RSP_COMMAND_HDR *) &CmdBuf[0];\r
     if (EFI_ERROR (Status) || (TpmRsp->tag != SwapBytes16 (TPM_TAG_RSP_COMMAND)) || (TpmRsp->returnCode != 0)) {\r
       return EFI_DEVICE_ERROR;\r
     }\r
-  \r
+\r
     TpmPermanentFlags = (TPM_PERMANENT_FLAGS *) &CmdBuf[sizeof (TPM_RSP_COMMAND_HDR) + sizeof (UINT32)];\r
 \r
     if (TpmEnable != NULL) {\r
@@ -109,8 +103,8 @@ GetTpmState (
       *TpmActivate = (BOOLEAN) !TpmPermanentFlags->deactivated;\r
     }\r
   }\r
\r
-  return EFI_SUCCESS;  \r
+\r
+  return EFI_SUCCESS;\r
 }\r
 \r
 /**\r
@@ -149,8 +143,6 @@ TcgExtractConfig (
   )\r
 {\r
   EFI_STATUS                 Status;\r
-  UINTN                      BufferSize;\r
-  TCG_CONFIGURATION          Configuration;\r
   TCG_CONFIG_PRIVATE_DATA    *PrivateData;\r
   EFI_STRING                 ConfigRequestHdr;\r
   EFI_STRING                 ConfigRequest;\r
@@ -158,7 +150,6 @@ TcgExtractConfig (
   UINTN                      Size;\r
   BOOLEAN                    TpmEnable;\r
   BOOLEAN                    TpmActivate;\r
-  CHAR16                     State[32];\r
 \r
   if (Progress == NULL || Results == NULL) {\r
     return EFI_INVALID_PARAMETER;\r
@@ -178,19 +169,11 @@ TcgExtractConfig (
 \r
   //\r
   // Convert buffer data to <ConfigResp> by helper function BlockToConfig()\r
-  //  \r
-  ZeroMem (&Configuration, sizeof (TCG_CONFIGURATION));\r
-\r
-  Configuration.MorState        = PcdGetBool (PcdMorEnable);\r
-  Configuration.TpmOperation    = PHYSICAL_PRESENCE_ENABLE;\r
-  Configuration.HideTpm         = (BOOLEAN) (PcdGetBool (PcdHideTpmSupport) && PcdGetBool (PcdHideTpm));\r
   //\r
-  // Read the original value of HideTpm from PrivateData which won't be changed by Setup in this boot.\r
-  //\r
-  Configuration.OriginalHideTpm = PrivateData->HideTpm;\r
+  PrivateData->Configuration->TpmOperation = PHYSICAL_PRESENCE_NO_ACTION;\r
 \r
   //\r
-  // Display current TPM state.\r
+  // Get current TPM state.\r
   //\r
   if (PrivateData->TcgProtocol != NULL) {\r
     Status = GetTpmState (PrivateData->TcgProtocol, &TpmEnable, &TpmActivate);\r
@@ -198,20 +181,10 @@ TcgExtractConfig (
       return Status;\r
     }\r
 \r
-    UnicodeSPrint (\r
-      State,\r
-      sizeof (State),\r
-      L"%s, and %s",\r
-      TpmEnable   ? L"Enabled"   : L"Disabled",\r
-      TpmActivate ? L"Activated" : L"Deactivated"\r
-      );\r
-    Configuration.TpmEnable   = TpmEnable;\r
-    Configuration.TpmActivate = TpmActivate;\r
-\r
-    HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TPM_STATE_CONTENT), State, NULL);\r
+    PrivateData->Configuration->TpmEnable   = TpmEnable;\r
+    PrivateData->Configuration->TpmActivate = TpmActivate;\r
   }\r
 \r
-  BufferSize = sizeof (Configuration);\r
   ConfigRequest = Request;\r
   if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r
     //\r
@@ -224,15 +197,15 @@ TcgExtractConfig (
     ConfigRequest = AllocateZeroPool (Size);\r
     ASSERT (ConfigRequest != NULL);\r
     AllocatedRequest = TRUE;\r
-    UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64) BufferSize);\r
+    UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, sizeof (TCG_CONFIGURATION));\r
     FreePool (ConfigRequestHdr);\r
   }\r
 \r
   Status = gHiiConfigRouting->BlockToConfig (\r
                                 gHiiConfigRouting,\r
                                 ConfigRequest,\r
-                                (UINT8 *) &Configuration,\r
-                                BufferSize,\r
+                                (UINT8 *) PrivateData->Configuration,\r
+                                sizeof (TCG_CONFIGURATION),\r
                                 Results,\r
                                 Progress\r
                                 );\r
@@ -308,9 +281,6 @@ TcgRouteConfig (
     return Status;\r
   }\r
 \r
-  PcdSetBool (PcdMorEnable,  TcgConfiguration.MorState);\r
-  PcdSetBool (PcdHideTpm,    TcgConfiguration.HideTpm);\r
-\r
   return EFI_SUCCESS;\r
 }\r
 \r
@@ -345,8 +315,8 @@ SavePpRequest (
                   );\r
   if (EFI_ERROR (Status)) {\r
     return Status;\r
-  }                \r
-                  \r
+  }\r
+\r
   PpData.PPRequest = PpRequest;\r
   Status = gRT->SetVariable (\r
                   PHYSICAL_PRESENCE_VARIABLE,\r
@@ -359,11 +329,6 @@ SavePpRequest (
     return Status;\r
   }\r
 \r
-  //\r
-  // Reset system.\r
-  //\r
-  gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);\r
-\r
   return EFI_SUCCESS;\r
 }\r
 \r
@@ -400,16 +365,35 @@ TcgCallback (
      OUT EFI_BROWSER_ACTION_REQUEST            *ActionRequest\r
   )\r
 {\r
+  TCG_CONFIG_PRIVATE_DATA    *PrivateData;\r
+  CHAR16                     State[32];\r
+\r
   if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r
     return EFI_INVALID_PARAMETER;\r
   }\r
 \r
+  if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r
+    if (QuestionId == KEY_TPM_ACTION) {\r
+\r
+      PrivateData = TCG_CONFIG_PRIVATE_DATA_FROM_THIS (This);\r
+      UnicodeSPrint (\r
+        State,\r
+        sizeof (State),\r
+        L"%s, and %s",\r
+        PrivateData->Configuration->TpmEnable   ? L"Enabled"   : L"Disabled",\r
+        PrivateData->Configuration->TpmActivate ? L"Activated" : L"Deactivated"\r
+        );\r
+      HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TPM_STATE_CONTENT), State, NULL);\r
+    }\r
+    return EFI_SUCCESS;\r
+  }\r
+\r
   if ((Action != EFI_BROWSER_ACTION_CHANGED) || (QuestionId != KEY_TPM_ACTION)) {\r
     return EFI_UNSUPPORTED;\r
   }\r
 \r
   SavePpRequest (Value->u8);\r
-  ASSERT (FALSE);\r
+  *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r
 \r
   return EFI_SUCCESS;\r
 }\r
@@ -432,11 +416,6 @@ InstallTcgConfigForm (
   EFI_STATUS                      Status;\r
   EFI_HII_HANDLE                  HiiHandle;\r
   EFI_HANDLE                      DriverHandle;\r
-  VOID                            *StartOpCodeHandle;\r
-  VOID                            *EndOpCodeHandle;\r
-  EFI_IFR_GUID_LABEL              *StartLabel;\r
-  EFI_IFR_GUID_LABEL              *EndLabel;\r
-\r
   EFI_HII_CONFIG_ACCESS_PROTOCOL  *ConfigAccess;\r
 \r
   DriverHandle = NULL;\r
@@ -473,47 +452,14 @@ InstallTcgConfigForm (
            &gEfiHiiConfigAccessProtocolGuid,\r
            ConfigAccess,\r
            NULL\r
-           );  \r
+           );\r
 \r
     return EFI_OUT_OF_RESOURCES;\r
   }\r
-  \r
-  PrivateData->HiiHandle = HiiHandle;\r
-\r
-  //\r
-  // Remove the Hide TPM question from the IFR\r
-  //\r
-  if (!PcdGetBool (PcdHideTpmSupport)) {\r
-    //\r
-    // Allocate space for creation of UpdateData Buffer\r
-    //\r
-    StartOpCodeHandle = HiiAllocateOpCodeHandle ();\r
-    ASSERT (StartOpCodeHandle != NULL);\r
-\r
-    EndOpCodeHandle = HiiAllocateOpCodeHandle ();\r
-    ASSERT (EndOpCodeHandle != NULL);\r
 \r
-    //\r
-    // Create Hii Extend Label OpCode as the start opcode\r
-    //\r
-    StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));\r
-    StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r
-    StartLabel->Number       = LABEL_TCG_CONFIGURATION_HIDETPM;\r
-\r
-    //\r
-    // Create Hii Extend Label OpCode as the end opcode\r
-    //\r
-    EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));\r
-    EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r
-    EndLabel->Number       = LABEL_END;\r
-    \r
-    HiiUpdateForm (HiiHandle, NULL, TCG_CONFIGURATION_FORM_ID, StartOpCodeHandle, EndOpCodeHandle);\r
-\r
-    HiiFreeOpCodeHandle (StartOpCodeHandle);\r
-    HiiFreeOpCodeHandle (EndOpCodeHandle);\r
-  }\r
+  PrivateData->HiiHandle = HiiHandle;\r
 \r
-  return EFI_SUCCESS;  \r
+  return EFI_SUCCESS;\r
 }\r
 \r
 /**\r
@@ -549,6 +495,9 @@ UninstallTcgConfigForm (
            );\r
     PrivateData->DriverHandle = NULL;\r
   }\r
-  \r
+\r
+  if (PrivateData->Configuration != NULL) {\r
+    FreePool(PrivateData->Configuration);\r
+  }\r
   FreePool (PrivateData);\r
 }\r