ShellPkg/Library/UefiShellBcfgCommandLib/UefiShellBcfgCommandLib.c

   1 /** @file
   2   Main file for BCFG command.
   3
   4   (C) Copyright 2014-2015 Hewlett-Packard Development Company, L.P.<BR>
   5   Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.<BR>
   6   This program and the accompanying materials
   7   are licensed and made available under the terms and conditions of the BSD License
   8   which accompanies this distribution.  The full text of the license may be found at
   9   http://opensource.org/licenses/bsd-license.php
  10
  11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16
  17 #include <Uefi.h>
  18 #include <ShellBase.h>
  19
  20 #include <Guid/GlobalVariable.h>
  21 #include <Guid/ShellLibHiiGuid.h>
  22
  23 #include <Protocol/EfiShell.h>
  24 #include <Protocol/EfiShellParameters.h>
  25 #include <Protocol/DevicePath.h>
  26 #include <Protocol/LoadedImage.h>
  27 #include <Protocol/UnicodeCollation.h>
  28
  29 #include <Library/BaseLib.h>
  30 #include <Library/BaseMemoryLib.h>
  31 #include <Library/DebugLib.h>
  32 #include <Library/MemoryAllocationLib.h>
  33 #include <Library/PcdLib.h>
  34 #include <Library/ShellCommandLib.h>
  35 #include <Library/ShellLib.h>
  36 #include <Library/SortLib.h>
  37 #include <Library/UefiLib.h>
  38 #include <Library/UefiRuntimeServicesTableLib.h>
  39 #include <Library/UefiBootServicesTableLib.h>
  40 #include <Library/HiiLib.h>
  41 #include <Library/FileHandleLib.h>
  42 #include <Library/PrintLib.h>
  43 #include <Library/HandleParsingLib.h>
  44 #include <Library/DevicePathLib.h>
  45
  46 STATIC CONST CHAR16 mFileName[] = L"ShellCommands";
  47 STATIC EFI_HANDLE gShellBcfgHiiHandle  = NULL;
  48
  49 typedef enum {
  50   BcfgTargetBootOrder    = 0,
  51   BcfgTargetDriverOrder  = 1,
  52   BcfgTargetMax          = 2
  53 } BCFG_OPERATION_TARGET;
  54
  55 typedef enum {
  56   BcfgTypeDump       = 0,
  57   BcfgTypeAdd        = 1,
  58   BcfgTypeAddp       = 2,
  59   BcfgTypeAddh       = 3,
  60   BcfgTypeRm         = 4,
  61   BcfgTypeMv         = 5,
  62   BcfgTypeOpt        = 6,
  63   BcfgTypeMax        = 7
  64 } BCFG_OPERATION_TYPE;
  65
  66 typedef struct {
  67   BCFG_OPERATION_TARGET Target;
  68   BCFG_OPERATION_TYPE   Type;
  69   UINT16                Number1;
  70   UINT16                Number2;
  71   UINTN                 HandleIndex;
  72   CHAR16                *FileName;
  73   CHAR16                *Description;
  74   UINT16                *Order;
  75   CONST CHAR16          *OptData;
  76 } BGFG_OPERATION;
  77
  78 /**
  79   Update the optional data for a boot or driver option.
  80
  81   If optional data exists it will be changed.
  82
  83   @param[in]      Index     The boot or driver option index update.
  84   @param[in]      DataSize  The size in bytes of Data.
  85   @param[in]      Data      The buffer for the optioanl data.
  86   @param[in]      Target    The target of the operation.
  87
  88   @retval EFI_SUCCESS       The data was sucessfully updated.
  89   @retval other             A error occured.
  90 **/
  91 EFI_STATUS
  92 EFIAPI
  93 UpdateOptionalData(
  94   UINT16                          Index,
  95   UINTN                           DataSize,
  96   UINT8                           *Data,
  97   IN CONST BCFG_OPERATION_TARGET  Target
  98   )
  99 {
 100   EFI_STATUS  Status;
 101   CHAR16      VariableName[12];
 102   UINTN       OriginalSize;
 103   UINT8       *OriginalData;
 104   UINTN       NewSize;
 105   UINT8       *NewData;
 106   UINTN       OriginalOptionDataSize;
 107
 108   UnicodeSPrint(VariableName, sizeof(VariableName), L"%s%04x", Target == BcfgTargetBootOrder?L"Boot":L"Driver", Index);
 109
 110   OriginalSize = 0;
 111   OriginalData = NULL;
 112   NewData      = NULL;
 113   NewSize      = 0;
 114
 115   Status = gRT->GetVariable(
 116       VariableName,
 117       (EFI_GUID*)&gEfiGlobalVariableGuid,
 118       NULL,
 119       &OriginalSize,
 120       OriginalData);
 121   if (Status == EFI_BUFFER_TOO_SMALL) {
 122     OriginalData = AllocateZeroPool(OriginalSize);
 123     if (OriginalData == NULL) {
 124       return (EFI_OUT_OF_RESOURCES);
 125     }
 126     Status = gRT->GetVariable(
 127         VariableName,
 128         (EFI_GUID*)&gEfiGlobalVariableGuid,
 129         NULL,
 130         &OriginalSize,
 131         OriginalData);
 132   }
 133
 134   if (!EFI_ERROR(Status)) {
 135     //
 136     // Allocate new struct and discard old optional data.
 137     //
 138     ASSERT (OriginalData != NULL);
 139     OriginalOptionDataSize  = sizeof(UINT32) + sizeof(UINT16) + StrSize(((CHAR16*)(OriginalData + sizeof(UINT32) + sizeof(UINT16))));
 140     OriginalOptionDataSize += (*(UINT16*)(OriginalData + sizeof(UINT32)));
 141     OriginalOptionDataSize -= OriginalSize;
 142     NewSize = OriginalSize - OriginalOptionDataSize + DataSize;
 143     NewData = AllocateCopyPool(NewSize, OriginalData);
 144     if (NewData == NULL) {
 145       Status = EFI_OUT_OF_RESOURCES;
 146     } else {
 147       CopyMem(NewData + OriginalSize - OriginalOptionDataSize, Data, DataSize);
 148     }
 149   }
 150
 151   if (!EFI_ERROR(Status)) {
 152     //
 153     // put the data back under the variable
 154     //
 155     Status = gRT->SetVariable(
 156       VariableName,
 157       (EFI_GUID*)&gEfiGlobalVariableGuid,
 158       EFI_VARIABLE_NON_VOLATILE|EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS,
 159       NewSize,
 160       NewData);
 161   }
 162
 163   SHELL_FREE_NON_NULL(OriginalData);
 164   SHELL_FREE_NON_NULL(NewData);
 165   return (Status);
 166 }
 167
 168 /**
 169   This function will get a CRC for a boot option.
 170
 171   @param[in, out] Crc         The CRC value to return.
 172   @param[in]      BootIndex   The boot option index to CRC.
 173
 174   @retval EFI_SUCCESS           The CRC was sucessfully returned.
 175   @retval other                 A error occured.
 176 **/
 177 EFI_STATUS
 178 EFIAPI
 179 GetBootOptionCrc(
 180   UINT32      *Crc,
 181   UINT16      BootIndex
 182   )
 183 {
 184   CHAR16      VariableName[12];
 185   EFI_STATUS  Status;
 186   UINT8       *Buffer;
 187   UINTN       BufferSize;
 188
 189   Buffer      = NULL;
 190   BufferSize  = 0;
 191
 192   //
 193   // Get the data Buffer
 194   //
 195   UnicodeSPrint(VariableName, sizeof(VariableName), L"%Boot%04x", BootIndex);
 196   Status = gRT->GetVariable(
 197       VariableName,
 198       (EFI_GUID*)&gEfiGlobalVariableGuid,
 199       NULL,
 200       &BufferSize,
 201       NULL);
 202   if (Status == EFI_BUFFER_TOO_SMALL) {
 203     Buffer = AllocateZeroPool(BufferSize);
 204     Status = gRT->GetVariable(
 205         VariableName,
 206         (EFI_GUID*)&gEfiGlobalVariableGuid,
 207         NULL,
 208         &BufferSize,
 209         Buffer);
 210   }
 211
 212   //
 213   // Get the CRC computed
 214   //
 215   if (!EFI_ERROR(Status)) {
 216     Status = gBS->CalculateCrc32 (Buffer, BufferSize, Crc);
 217   }
 218
 219   SHELL_FREE_NON_NULL(Buffer);
 220   return EFI_SUCCESS;
 221 }
 222
 223 /**
 224   This function will populate the device path protocol parameter based on TheHandle.
 225
 226   @param[in]      TheHandle     Driver handle.
 227   @param[in, out] FilePath      On a sucessful return the device path to the handle.
 228
 229   @retval EFI_SUCCESS           The device path was sucessfully returned.
 230   @retval other                 A error from gBS->HandleProtocol.
 231
 232   @sa HandleProtocol
 233 **/
 234 EFI_STATUS
 235 EFIAPI
 236 GetDevicePathForDriverHandle (
 237   IN EFI_HANDLE                   TheHandle,
 238   IN OUT EFI_DEVICE_PATH_PROTOCOL **FilePath
 239   )
 240 {
 241   EFI_STATUS                Status;
 242   EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
 243   EFI_DEVICE_PATH_PROTOCOL  *ImageDevicePath;
 244
 245   Status = gBS->OpenProtocol (
 246                 TheHandle,
 247                 &gEfiLoadedImageProtocolGuid,
 248                 (VOID**)&LoadedImage,
 249                 gImageHandle,
 250                 NULL,
 251                 EFI_OPEN_PROTOCOL_GET_PROTOCOL
 252                );
 253   if (!EFI_ERROR (Status)) {
 254     Status = gBS->OpenProtocol (
 255                   LoadedImage->DeviceHandle,
 256                   &gEfiDevicePathProtocolGuid,
 257                   (VOID**)&ImageDevicePath,
 258                   gImageHandle,
 259                   NULL,
 260                   EFI_OPEN_PROTOCOL_GET_PROTOCOL
 261                  );
 262     if (!EFI_ERROR (Status)) {
 263 //      *DevPath  = DuplicateDevicePath (ImageDevicePath);
 264 //      *FilePath = DuplicateDevicePath (LoadedImage->FilePath);
 265         *FilePath = AppendDevicePath(ImageDevicePath,LoadedImage->FilePath);
 266       gBS->CloseProtocol(
 267                   LoadedImage->DeviceHandle,
 268                   &gEfiDevicePathProtocolGuid,
 269                   gImageHandle,
 270                   NULL);
 271     }
 272     gBS->CloseProtocol(
 273                 TheHandle,
 274                 &gEfiLoadedImageProtocolGuid,
 275                 gImageHandle,
 276                 NULL);
 277   }
 278   return (Status);
 279 }
 280
 281 /**
 282   Function to add a option.
 283
 284   @param[in] Position       The position to add Target at.
 285   @param[in] File           The file to make the target.
 286   @param[in] Desc           The description text.
 287   @param[in] CurrentOrder   The pointer to the current order of items.
 288   @param[in] OrderCount     The number if items in CurrentOrder.
 289   @param[in] Target         The info on the option to add.
 290   @param[in] UseHandle      TRUE to use HandleNumber, FALSE to use File and Desc.
 291   @param[in] UsePath        TRUE to convert to devicepath.
 292   @param[in] HandleNumber   The handle number to add.
 293
 294   @retval SHELL_SUCCESS             The operation was successful.
 295   @retval SHELL_INVALID_PARAMETER   A parameter was invalid.
 296 **/
 297 SHELL_STATUS
 298 EFIAPI
 299 BcfgAdd(
 300   IN       UINTN                  Position,
 301   IN CONST CHAR16                 *File,
 302   IN CONST CHAR16                 *Desc,
 303   IN CONST UINT16                 *CurrentOrder,
 304   IN CONST UINTN                  OrderCount,
 305   IN CONST BCFG_OPERATION_TARGET  Target,
 306   IN CONST BOOLEAN                UseHandle,
 307   IN CONST BOOLEAN                UsePath,
 308   IN CONST UINTN                  HandleNumber
 309   )
 310 {
 311   EFI_STATUS                Status;
 312   EFI_DEVICE_PATH_PROTOCOL  *DevicePath;
 313   EFI_DEVICE_PATH_PROTOCOL  *FilePath;
 314   CHAR16                    *Str;
 315   UINT8                     *TempByteBuffer;
 316   UINT8                     *TempByteStart;
 317   EFI_SHELL_FILE_INFO       *Arg;
 318   EFI_SHELL_FILE_INFO       *FileList;
 319   CHAR16                    OptionStr[40];
 320   UINTN                     DescSize, FilePathSize;
 321   BOOLEAN                   Found;
 322   UINTN                     TargetLocation;
 323   UINTN                     Index;
 324   EFI_HANDLE                *Handles;
 325   EFI_HANDLE                CurHandle;
 326   UINTN                     DriverBindingHandleCount;
 327   UINTN                     ParentControllerHandleCount;
 328   UINTN                     ChildControllerHandleCount;
 329   SHELL_STATUS              ShellStatus;
 330   UINT16                    *NewOrder;
 331
 332   if (!UseHandle) {
 333     if (File == NULL || Desc == NULL) {
 334       return (SHELL_INVALID_PARAMETER);
 335     }
 336   } else {
 337     if (HandleNumber == 0) {
 338       return (SHELL_INVALID_PARAMETER);
 339     }
 340   }
 341
 342   if (Position > OrderCount) {
 343     Position =  OrderCount;
 344   }
 345
 346   Str             = NULL;
 347   FilePath        = NULL;
 348   FileList        = NULL;
 349   Handles         = NULL;
 350   ShellStatus     = SHELL_SUCCESS;
 351   TargetLocation  = 0xFFFF;
 352
 353   if (UseHandle) {
 354     CurHandle = ConvertHandleIndexToHandle(HandleNumber);
 355     if (CurHandle == NULL) {
 356       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", L"Handle Number");
 357       ShellStatus = SHELL_INVALID_PARAMETER;
 358     } else {
 359       if (Target == BcfgTargetBootOrder) {
 360         //
 361         //Make sure that the handle should point to a real controller
 362         //
 363         Status = PARSE_HANDLE_DATABASE_UEFI_DRIVERS (
 364                    CurHandle,
 365                    &DriverBindingHandleCount,
 366                    NULL);
 367
 368         Status = PARSE_HANDLE_DATABASE_PARENTS (
 369                    CurHandle,
 370                    &ParentControllerHandleCount,
 371                    NULL);
 372
 373         Status = ParseHandleDatabaseForChildControllers (
 374                    CurHandle,
 375                    &ChildControllerHandleCount,
 376                    NULL);
 377
 378         if (DriverBindingHandleCount > 0
 379               || ParentControllerHandleCount > 0
 380               || ChildControllerHandleCount > 0) {
 381           FilePath = NULL;
 382           Status = gBS->HandleProtocol (
 383                      CurHandle,
 384                      &gEfiDevicePathProtocolGuid,
 385                      (VOID**)&FilePath);
 386         }
 387         if (EFI_ERROR (Status)) {
 388           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_HANDLE), gShellBcfgHiiHandle, L"bcfg", HandleNumber);
 389           ShellStatus = SHELL_INVALID_PARAMETER;
 390         }
 391       } else {
 392         //
 393         //Make sure that the handle should point to driver, not a controller.
 394         //
 395         Status = PARSE_HANDLE_DATABASE_UEFI_DRIVERS (
 396                    CurHandle,
 397                    &DriverBindingHandleCount,
 398                    NULL);
 399
 400         Status = PARSE_HANDLE_DATABASE_PARENTS (
 401                    CurHandle,
 402                    &ParentControllerHandleCount,
 403                    NULL);
 404
 405         Status = ParseHandleDatabaseForChildControllers (
 406                    CurHandle,
 407                    &ChildControllerHandleCount,
 408                    NULL);
 409
 410         Status = gBS->HandleProtocol (
 411                    CurHandle,
 412                    &gEfiDevicePathProtocolGuid,
 413                    (VOID**)&FilePath);
 414
 415         if (DriverBindingHandleCount > 0
 416               || ParentControllerHandleCount > 0
 417               || ChildControllerHandleCount > 0
 418               || !EFI_ERROR(Status) ) {
 419           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", L"Handle Number");
 420           ShellStatus = SHELL_INVALID_PARAMETER;
 421         } else {
 422           //
 423           // Get the DevicePath from the loaded image information.
 424           //
 425           Status = GetDevicePathForDriverHandle(CurHandle, &FilePath);
 426         }
 427       }
 428     }
 429   } else {
 430     //
 431     // Get file info
 432     //
 433     ShellOpenFileMetaArg ((CHAR16*)File, EFI_FILE_MODE_READ, &FileList);
 434
 435     if (FileList == NULL) {
 436       //
 437       // If filename matched nothing fail
 438       //
 439       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellBcfgHiiHandle, L"bcfg", File);
 440       ShellStatus = SHELL_INVALID_PARAMETER;
 441     } else if (FileList->Link.ForwardLink != FileList->Link.BackLink) {
 442       //
 443       // If filename expanded to multiple names, fail
 444       //
 445       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_FILE), gShellBcfgHiiHandle, L"bcfg", File);
 446       ShellStatus = SHELL_INVALID_PARAMETER;
 447     } else {
 448       Arg = (EFI_SHELL_FILE_INFO*)GetFirstNode(&FileList->Link);
 449       if (EFI_ERROR(Arg->Status)) {
 450         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_FILE_OPEN), gShellBcfgHiiHandle, L"bcfg", File);
 451         ShellStatus = SHELL_INVALID_PARAMETER;
 452       } else {
 453         //
 454         // Build FilePath to the filename
 455         //
 456
 457         //
 458         // get the device path
 459         //
 460         DevicePath = gEfiShellProtocol->GetDevicePathFromFilePath(Arg->FullName);
 461         if (DevicePath == NULL) {
 462           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_FILE_DP), gShellBcfgHiiHandle, L"bcfg", Arg->FullName);
 463           ShellStatus = SHELL_UNSUPPORTED;
 464         } else {
 465 /*
 466           if (UsePath) {
 467             DevPath = DevicePath;
 468             while (!IsDevicePathEnd(DevPath)) {
 469               if ((DevicePathType(DevPath) == MEDIA_DEVICE_PATH) &&
 470                 (DevicePathSubType(DevPath) == MEDIA_HARDDRIVE_DP)) {
 471
 472                 //
 473                 // If we find it use it instead
 474                 //
 475                 DevicePath = DevPath;
 476                 break;
 477               }
 478               DevPath = NextDevicePathNode(DevPath);
 479             }
 480             //
 481             // append the file
 482             //
 483             for(StringWalker=Arg->FullName; *StringWalker != CHAR_NULL && *StringWalker != ':'; StringWalker++);
 484             FileNode = FileDevicePath(NULL, StringWalker+1);
 485             FilePath = AppendDevicePath(DevicePath, FileNode);
 486             FreePool(FileNode);
 487           } else {
 488 */
 489             FilePath = DuplicateDevicePath(DevicePath);
 490 /*
 491           }
 492 */
 493           FreePool(DevicePath);
 494         }
 495       }
 496     }
 497   }
 498
 499
 500   if (ShellStatus == SHELL_SUCCESS) {
 501     //
 502     // Find a free target ,a brute force implementation
 503     //
 504     Found = FALSE;
 505     for (TargetLocation=0; TargetLocation < 0xFFFF; TargetLocation++) {
 506       Found = TRUE;
 507       for (Index=0; Index < OrderCount; Index++) {
 508         if (CurrentOrder[Index] == TargetLocation) {
 509           Found = FALSE;
 510           break;
 511         }
 512       }
 513
 514       if (Found) {
 515         break;
 516       }
 517     }
 518
 519     if (TargetLocation == 0xFFFF) {
 520       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_TARGET_NF), gShellBcfgHiiHandle, L"bcfg");
 521     } else {
 522       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_TARGET), gShellBcfgHiiHandle, TargetLocation);
 523     }
 524   }
 525
 526   if (ShellStatus == SHELL_SUCCESS) {
 527     //
 528     // Add the option
 529     //
 530     DescSize = StrSize(Desc);
 531     FilePathSize = GetDevicePathSize (FilePath);
 532
 533     TempByteBuffer = AllocateZeroPool(sizeof(UINT32) + sizeof(UINT16) + DescSize + FilePathSize);
 534     if (TempByteBuffer != NULL) {
 535       TempByteStart  = TempByteBuffer;
 536       *((UINT32 *) TempByteBuffer) = LOAD_OPTION_ACTIVE;      // Attributes
 537       TempByteBuffer += sizeof (UINT32);
 538
 539       *((UINT16 *) TempByteBuffer) = (UINT16)FilePathSize;    // FilePathListLength
 540       TempByteBuffer += sizeof (UINT16);
 541
 542       CopyMem (TempByteBuffer, Desc, DescSize);
 543       TempByteBuffer += DescSize;
 544       ASSERT (FilePath != NULL);
 545       CopyMem (TempByteBuffer, FilePath, FilePathSize);
 546
 547       UnicodeSPrint (OptionStr, sizeof(OptionStr), L"%s%04x", Target == BcfgTargetBootOrder?L"Boot":L"Driver", TargetLocation);
 548       Status = gRT->SetVariable (
 549             OptionStr,
 550             &gEfiGlobalVariableGuid,
 551             EFI_VARIABLE_NON_VOLATILE|EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS,
 552             sizeof(UINT32) + sizeof(UINT16) + DescSize + FilePathSize,
 553             TempByteStart
 554            );
 555
 556       FreePool(TempByteStart);
 557     } else {
 558       Status = EFI_OUT_OF_RESOURCES;
 559     }
 560
 561     if (EFI_ERROR(Status)) {
 562       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_SET_VAR_FAIL), gShellBcfgHiiHandle, L"bcfg", OptionStr);
 563     } else {
 564       NewOrder = AllocateZeroPool((OrderCount+1)*sizeof(NewOrder[0]));
 565       ASSERT(NewOrder != NULL);
 566       CopyMem(NewOrder, CurrentOrder, (OrderCount)*sizeof(NewOrder[0]));
 567
 568       //
 569       // Insert target into order list
 570       //
 571       for (Index=OrderCount; Index > Position; Index--) {
 572         NewOrder[Index] = NewOrder[Index-1];
 573       }
 574
 575       NewOrder[Position] = (UINT16) TargetLocation;
 576       Status = gRT->SetVariable (
 577         Target == BcfgTargetBootOrder?L"BootOrder":L"DriverOrder",
 578         &gEfiGlobalVariableGuid,
 579         EFI_VARIABLE_NON_VOLATILE|EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS,
 580         (OrderCount+1) * sizeof(UINT16),
 581         NewOrder
 582        );
 583
 584       FreePool(NewOrder);
 585
 586       if (EFI_ERROR(Status)) {
 587         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_WRITE_FAIL), gShellBcfgHiiHandle, L"bcfg", Target == BcfgTargetBootOrder?L"BootOrder":L"DriverOrder");
 588         ShellStatus = SHELL_INVALID_PARAMETER;
 589       } else {
 590         Print (L"bcfg: Add %s as %x\n", OptionStr, Position);
 591       }
 592     }
 593   }
 594
 595 //
 596 //If always Free FilePath, will free devicepath in system when use "addh"
 597 //
 598   if (FilePath!=NULL && !UseHandle) {
 599     FreePool (FilePath);
 600   }
 601
 602   if (Str != NULL) {
 603     FreePool(Str);
 604   }
 605
 606   if (Handles != NULL) {
 607     FreePool (Handles);
 608   }
 609
 610   if (FileList != NULL) {
 611     ShellCloseFileMetaArg (&FileList);
 612   }
 613
 614   return (ShellStatus);
 615 }
 616
 617 /**
 618   Funciton to remove an item.
 619
 620   @param[in] Target         The target item to move.
 621   @param[in] CurrentOrder   The pointer to the current order of items.
 622   @param[in] OrderCount     The number if items in CurrentOrder.
 623   @param[in] Location       The current location of the Target.
 624
 625   @retval SHELL_SUCCESS             The operation was successful.
 626   @retval SHELL_INVALID_PARAMETER   A parameter was invalid.
 627 **/
 628 SHELL_STATUS
 629 EFIAPI
 630 BcfgRemove(
 631   IN CONST BCFG_OPERATION_TARGET  Target,
 632   IN CONST UINT16                 *CurrentOrder,
 633   IN CONST UINTN                  OrderCount,
 634   IN CONST UINT16                 Location
 635   )
 636 {
 637   CHAR16      VariableName[12];
 638   UINT16      *NewOrder;
 639   EFI_STATUS  Status;
 640   UINTN       NewCount;
 641
 642   UnicodeSPrint(VariableName, sizeof(VariableName), L"%s%04x", Target == BcfgTargetBootOrder?L"Boot":L"Driver", CurrentOrder[Location]);
 643   Status = gRT->SetVariable(
 644     VariableName,
 645     (EFI_GUID*)&gEfiGlobalVariableGuid,
 646     EFI_VARIABLE_NON_VOLATILE|EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS,
 647     0,
 648     NULL);
 649   if (EFI_ERROR(Status)) {
 650     ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_WRITE_FAIL), gShellBcfgHiiHandle, L"bcfg", VariableName);
 651     return (SHELL_INVALID_PARAMETER);
 652   }
 653   NewOrder = AllocateZeroPool(OrderCount*sizeof(CurrentOrder[0]));
 654   if (NewOrder != NULL) {
 655     NewCount = OrderCount;
 656     CopyMem(NewOrder, CurrentOrder, OrderCount*sizeof(CurrentOrder[0]));
 657     CopyMem(NewOrder+Location, NewOrder+Location+1, (OrderCount - Location - 1)*sizeof(CurrentOrder[0]));
 658     NewCount--;
 659
 660     Status = gRT->SetVariable(
 661       Target == BcfgTargetBootOrder?(CHAR16*)L"BootOrder":(CHAR16*)L"DriverOrder",
 662       (EFI_GUID*)&gEfiGlobalVariableGuid,
 663       EFI_VARIABLE_NON_VOLATILE|EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS,
 664       NewCount*sizeof(NewOrder[0]),
 665       NewOrder);
 666     FreePool(NewOrder);
 667   } else {
 668     Status = EFI_OUT_OF_RESOURCES;
 669   }
 670   if (EFI_ERROR(Status)) {
 671     ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_WRITE_FAIL), gShellBcfgHiiHandle, L"bcfg", Target == BcfgTargetBootOrder?(CHAR16*)L"BootOrder":(CHAR16*)L"DriverOrder");
 672     return (SHELL_INVALID_PARAMETER);
 673   }
 674   return (SHELL_SUCCESS);
 675 }
 676
 677 /**
 678   Funciton to move a item to another location.
 679
 680   @param[in] Target         The target item to move.
 681   @param[in] CurrentOrder   The pointer to the current order of items.
 682   @param[in] OrderCount     The number if items in CurrentOrder.
 683   @param[in] OldLocation    The current location of the Target.
 684   @param[in] NewLocation    The desired location of the Target.
 685
 686   @retval SHELL_SUCCESS             The operation was successful.
 687   @retval SHELL_INVALID_PARAMETER   A parameter was invalid.
 688 **/
 689 SHELL_STATUS
 690 EFIAPI
 691 BcfgMove(
 692   IN CONST BCFG_OPERATION_TARGET  Target,
 693   IN CONST UINT16                 *CurrentOrder,
 694   IN CONST UINTN                  OrderCount,
 695   IN CONST UINT16                 OldLocation,
 696   IN       UINT16                 NewLocation
 697   )
 698 {
 699   UINT16            *NewOrder;
 700   EFI_STATUS        Status;
 701   UINT16            Temp;
 702
 703   NewOrder = AllocateCopyPool(OrderCount*sizeof(CurrentOrder[0]), CurrentOrder);
 704   if (NewOrder == NULL) {
 705     return (SHELL_OUT_OF_RESOURCES);
 706   }
 707
 708   //
 709   // correct the new location
 710   //
 711   if (NewLocation >= OrderCount) {
 712     if (OrderCount > 0) {
 713       NewLocation = (UINT16)OrderCount - 1;
 714     } else {
 715       NewLocation = 0;
 716     }
 717   }
 718
 719   Temp = CurrentOrder[OldLocation];
 720   CopyMem(NewOrder+OldLocation, NewOrder+OldLocation+1, (OrderCount - OldLocation - 1)*sizeof(CurrentOrder[0]));
 721   CopyMem(NewOrder+NewLocation+1, NewOrder+NewLocation, (OrderCount - NewLocation - 1)*sizeof(CurrentOrder[0]));
 722   NewOrder[NewLocation] = Temp;
 723
 724   Status = gRT->SetVariable(
 725     Target == BcfgTargetBootOrder?(CHAR16*)L"BootOrder":(CHAR16*)L"DriverOrder",
 726     (EFI_GUID*)&gEfiGlobalVariableGuid,
 727     EFI_VARIABLE_NON_VOLATILE|EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS,
 728     OrderCount*sizeof(CurrentOrder[0]),
 729     NewOrder);
 730
 731   FreePool(NewOrder);
 732
 733   if (EFI_ERROR(Status)) {
 734     ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_WRITE_FAIL), gShellBcfgHiiHandle, L"bcfg", Target == BcfgTargetBootOrder?(CHAR16*)L"BootOrder":(CHAR16*)L"DriverOrder");
 735     return (SHELL_INVALID_PARAMETER);
 736   }
 737   return (SHELL_SUCCESS);
 738 }
 739
 740 /**
 741   Function to add optional data to an option.
 742
 743   @param[in] OptData      The optional data to add.
 744   @param[in] CurrentOrder The pointer to the current order of items.
 745   @param[in] OrderCount   The number if items in CurrentOrder.
 746   @param[in] Target       The target of the operation.
 747
 748   @retval SHELL_SUCCESS   The operation was succesful.
 749 **/
 750 SHELL_STATUS
 751 EFIAPI
 752 BcfgAddOpt(
 753   IN CONST CHAR16                 *OptData,
 754   IN CONST UINT16                 *CurrentOrder,
 755   IN CONST UINTN                  OrderCount,
 756   IN CONST BCFG_OPERATION_TARGET  Target
 757   )
 758 {
 759   EFI_KEY_OPTION  NewKeyOption;
 760   EFI_KEY_OPTION *KeyOptionBuffer;
 761   SHELL_STATUS    ShellStatus;
 762   EFI_STATUS      Status;
 763   UINT16          OptionIndex;
 764   UINT16          LoopCounter;
 765   UINT64          Intermediate;
 766   CONST CHAR16    *Temp;
 767   CONST CHAR16    *Walker;
 768   CHAR16          *FileName;
 769   CHAR16          *Temp2;
 770   CHAR16          *Data;
 771   UINT32          KeyIndex;
 772   CHAR16          VariableName[12];
 773   VOID            *VariableData;
 774
 775   SHELL_FILE_HANDLE FileHandle;
 776
 777   Status          = EFI_SUCCESS;
 778   ShellStatus     = SHELL_SUCCESS;
 779   Walker          = OptData;
 780   FileName        = NULL;
 781   Data            = NULL;
 782   KeyOptionBuffer = NULL;
 783   VariableData    = NULL;
 784
 785   ZeroMem(&NewKeyOption, sizeof(EFI_KEY_OPTION));
 786   ZeroMem(VariableName, sizeof(VariableName));
 787
 788   while(Walker[0] == L' ') {
 789     Walker++;
 790   }
 791
 792   //
 793   // Get the index of the variable we are changing.
 794   //
 795   Status = ShellConvertStringToUint64(Walker, &Intermediate, FALSE, TRUE);
 796   if (EFI_ERROR(Status) || (((UINT16)Intermediate) != Intermediate) || StrStr(Walker, L" ") == NULL || ((UINT16)Intermediate) > ((UINT16)OrderCount)) {
 797     ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", L"Option Index");
 798     ShellStatus = SHELL_INVALID_PARAMETER;
 799     return (ShellStatus);
 800   }
 801   OptionIndex = (UINT16)Intermediate;
 802
 803   Temp = StrStr(Walker, L" ");
 804   if (Temp != NULL) {
 805     Walker = Temp;
 806   }
 807   while(Walker[0] == L' ') {
 808     Walker++;
 809   }
 810
 811   //
 812   // determine whether we have file with data, quote delimited information, or a hot-key
 813   //
 814   if (Walker[0] == L'\"') {
 815     //
 816     // quoted filename or quoted information.
 817     //
 818     Temp = StrStr(Walker+1, L"\"");
 819     if (Temp == NULL || StrLen(Temp) != 1) {
 820       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", Walker);
 821       ShellStatus = SHELL_INVALID_PARAMETER;
 822     } else {
 823       FileName = StrnCatGrow(&FileName, NULL, Walker+1, 0);
 824       if (FileName == NULL) {
 825         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellBcfgHiiHandle, L"bcfg");
 826         ShellStatus = SHELL_OUT_OF_RESOURCES;
 827         return (ShellStatus);
 828       }
 829       Temp2 = StrStr(FileName, L"\"");
 830       ASSERT(Temp2 != NULL);
 831       Temp2[0] = CHAR_NULL;
 832       Temp2++;
 833       if (StrLen(Temp2)>0) {
 834         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", Walker);
 835         ShellStatus = SHELL_INVALID_PARAMETER;
 836       }
 837       if (EFI_ERROR(ShellFileExists(Walker))) {
 838         //
 839         // Not a file.  must be misc information.
 840         //
 841         Data     = FileName;
 842         FileName = NULL;
 843       } else {
 844         FileName = StrnCatGrow(&FileName, NULL, Walker, 0);
 845       }
 846     }
 847   } else {
 848     //
 849     // filename or hot key information.
 850     //
 851     if (StrStr(Walker, L" ") == NULL) {
 852       //
 853       // filename
 854       //
 855       if (EFI_ERROR(ShellFileExists(Walker))) {
 856         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FIND_FAIL), gShellBcfgHiiHandle, L"bcfg", Walker);
 857         ShellStatus = SHELL_INVALID_PARAMETER;
 858       } else {
 859         FileName = StrnCatGrow(&FileName, NULL, Walker, 0);
 860       }
 861     } else {
 862       if (Target != BcfgTargetBootOrder) {
 863         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_BOOT_ONLY), gShellBcfgHiiHandle, L"bcfg");
 864         ShellStatus = SHELL_INVALID_PARAMETER;
 865       }
 866
 867       if (ShellStatus == SHELL_SUCCESS) {
 868         //
 869         // Get hot key information
 870         //
 871         Status = ShellConvertStringToUint64(Walker, &Intermediate, FALSE, TRUE);
 872         if (EFI_ERROR(Status) || (((UINT32)Intermediate) != Intermediate) || StrStr(Walker, L" ") == NULL) {
 873           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", Walker);
 874           ShellStatus = SHELL_INVALID_PARAMETER;
 875         }
 876         NewKeyOption.KeyData.PackedValue = (UINT32)Intermediate;
 877         Temp = StrStr(Walker, L" ");
 878         if (Temp != NULL) {
 879           Walker = Temp;
 880         }
 881         while(Walker[0] == L' ') {
 882           Walker++;
 883         }
 884       }
 885
 886       if (ShellStatus == SHELL_SUCCESS) {
 887         //
 888         // Now we know how many EFI_INPUT_KEY structs we need to attach to the end of the EFI_KEY_OPTION struct.
 889         // Re-allocate with the added information.
 890         //
 891         KeyOptionBuffer = AllocateCopyPool(sizeof(EFI_KEY_OPTION) + (sizeof(EFI_INPUT_KEY) * NewKeyOption.KeyData.Options.InputKeyCount), &NewKeyOption);
 892         if (KeyOptionBuffer == NULL) {
 893           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_MEM), gShellBcfgHiiHandle, L"bcfg");
 894           ShellStatus = SHELL_OUT_OF_RESOURCES;
 895         }
 896       }
 897       for (LoopCounter = 0 ; ShellStatus == SHELL_SUCCESS && LoopCounter < NewKeyOption.KeyData.Options.InputKeyCount; LoopCounter++) {
 898         //
 899         // ScanCode
 900         //
 901         Status = ShellConvertStringToUint64(Walker, &Intermediate, FALSE, TRUE);
 902         if (EFI_ERROR(Status) || (((UINT16)Intermediate) != Intermediate) || StrStr(Walker, L" ") == NULL) {
 903           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", Walker);
 904           ShellStatus = SHELL_INVALID_PARAMETER;
 905         }
 906         ((EFI_INPUT_KEY*)(((UINT8*)KeyOptionBuffer) + sizeof(EFI_KEY_OPTION)))[LoopCounter].ScanCode = (UINT16)Intermediate;
 907         Temp = StrStr(Walker, L" ");
 908         if (Temp != NULL) {
 909           Walker = Temp;
 910         }
 911         while(Walker[0] == L' ') {
 912           Walker++;
 913         }
 914
 915         //
 916         // UnicodeChar
 917         //
 918         Status = ShellConvertStringToUint64(Walker, &Intermediate, FALSE, TRUE);
 919         if (EFI_ERROR(Status) || (((UINT16)Intermediate) != Intermediate)) {
 920           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", Walker);
 921           ShellStatus = SHELL_INVALID_PARAMETER;
 922         }
 923         ((EFI_INPUT_KEY*)(((UINT8*)KeyOptionBuffer) + sizeof(EFI_KEY_OPTION)))[LoopCounter].UnicodeChar = (UINT16)Intermediate;
 924         Temp = StrStr(Walker, L" ");
 925         if (Temp != NULL) {
 926           Walker = Temp;
 927         }
 928         while(Walker[0] == L' ') {
 929           Walker++;
 930         }
 931       }
 932
 933       if (ShellStatus == SHELL_SUCCESS) {
 934         //
 935         // Now do the BootOption / BootOptionCrc
 936         //
 937         ASSERT (OptionIndex <= OrderCount);
 938         KeyOptionBuffer->BootOption    = CurrentOrder[OptionIndex];
 939         Status = GetBootOptionCrc(&(KeyOptionBuffer->BootOptionCrc), KeyOptionBuffer->BootOption);
 940         if (EFI_ERROR(Status)) {
 941           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", L"Option Index");
 942           ShellStatus = SHELL_INVALID_PARAMETER;
 943         }
 944       }
 945
 946       if (ShellStatus == SHELL_SUCCESS) {
 947         for (Temp2 = NULL, KeyIndex = 0 ; KeyIndex <= 0xFFFF ; KeyIndex++) {
 948           UnicodeSPrint(VariableName, sizeof(VariableName), L"Key%04x", KeyIndex);
 949           Status = GetEfiGlobalVariable2 (VariableName, &VariableData, NULL);
 950           if (Status == EFI_NOT_FOUND) {
 951             break;
 952           }
 953           if (!EFI_ERROR(Status)) {
 954             SHELL_FREE_NON_NULL(VariableData);
 955           }
 956         }
 957         if (KeyIndex <= 0xFFFF) {
 958           Status = gRT->SetVariable(
 959             VariableName,
 960             (EFI_GUID*)&gEfiGlobalVariableGuid,
 961             EFI_VARIABLE_NON_VOLATILE|EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS,
 962             sizeof(EFI_KEY_OPTION) + (sizeof(EFI_INPUT_KEY) * NewKeyOption.KeyData.Options.InputKeyCount),
 963             KeyOptionBuffer);
 964           if (EFI_ERROR(Status)) {
 965             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_SET_VAR_FAIL), gShellBcfgHiiHandle, L"bcfg", VariableName);
 966             ShellStatus = SHELL_INVALID_PARAMETER;
 967           }
 968         } else {
 969           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_VAR_NO_NUM), gShellBcfgHiiHandle, L"bcfg");
 970           ShellStatus = SHELL_INVALID_PARAMETER;
 971         }
 972         ASSERT(FileName == NULL && Data == NULL);
 973       }
 974     }
 975   }
 976
 977   //
 978   // Shouldn't be possible to have have both. Neither is ok though.
 979   //
 980   ASSERT(FileName == NULL || Data == NULL);
 981
 982   if (ShellStatus == SHELL_SUCCESS && (FileName != NULL || Data != NULL)) {
 983     if (FileName != NULL) {
 984       //
 985       // Open the file and populate the data buffer.
 986       //
 987       Status = ShellOpenFileByName(
 988         FileName,
 989         &FileHandle,
 990         EFI_FILE_MODE_READ,
 991         0);
 992       if (!EFI_ERROR(Status)) {
 993         Status = ShellGetFileSize(FileHandle, &Intermediate);
 994       }
 995       Data = AllocateZeroPool((UINTN)Intermediate);
 996       if (Data == NULL) {
 997         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_MEM), gShellBcfgHiiHandle, L"bcfg");
 998         ShellStatus = SHELL_OUT_OF_RESOURCES;
 999       }
1000       if (!EFI_ERROR(Status)) {
1001         Status = ShellReadFile(FileHandle, (UINTN *)&Intermediate, Data);
1002       }
1003     } else {
1004       Intermediate = StrSize(Data);
1005     }
1006
1007     if (!EFI_ERROR(Status) && ShellStatus == SHELL_SUCCESS && Data != NULL) {
1008       Status = UpdateOptionalData(CurrentOrder[OptionIndex], (UINTN)Intermediate, (UINT8*)Data, Target);
1009       if (EFI_ERROR(Status)) {
1010         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_SET_VAR_FAIL), gShellBcfgHiiHandle, L"bcfg", VariableName);
1011         ShellStatus = SHELL_INVALID_PARAMETER;
1012       }
1013     }
1014     if (EFI_ERROR(Status) && ShellStatus == SHELL_SUCCESS) {
1015       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_SET_VAR_FAIL), gShellBcfgHiiHandle, L"bcfg", VariableName);
1016       ShellStatus = SHELL_INVALID_PARAMETER;
1017     }
1018   }
1019
1020   SHELL_FREE_NON_NULL(Data);
1021   SHELL_FREE_NON_NULL(KeyOptionBuffer);
1022   SHELL_FREE_NON_NULL(FileName);
1023   return ShellStatus;
1024 }
1025
1026 /**
1027   Function to dump the Bcfg information.
1028
1029   @param[in] Op             The operation.
1030   @param[in] OrderCount     How many to dump.
1031   @param[in] CurrentOrder   The pointer to the current order of items.
1032   @param[in] VerboseOutput  TRUE for extra output.  FALSE otherwise.
1033
1034   @retval SHELL_SUCCESS           The dump was successful.
1035   @retval SHELL_INVALID_PARAMETER A parameter was invalid.
1036 **/
1037 SHELL_STATUS
1038 EFIAPI
1039 BcfgDisplayDump(
1040   IN CONST CHAR16   *Op,
1041   IN CONST UINTN    OrderCount,
1042   IN CONST UINT16   *CurrentOrder,
1043   IN CONST BOOLEAN  VerboseOutput
1044   )
1045 {
1046   EFI_STATUS      Status;
1047   UINT8           *Buffer;
1048   UINTN           BufferSize;
1049   CHAR16          VariableName[12];
1050   UINTN           LoopVar;
1051   CHAR16          *DevPathString;
1052   VOID            *FilePathList;
1053   UINTN           Errors;
1054   EFI_LOAD_OPTION *LoadOption;
1055   CHAR16          *Description;
1056   UINTN           DescriptionSize;
1057   UINTN           OptionalDataOffset;
1058
1059   if (OrderCount == 0) {
1060     ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN(STR_BCFG_NONE), gShellBcfgHiiHandle, L"bcfg");
1061     return (SHELL_SUCCESS);
1062   }
1063
1064   Errors = 0;
1065
1066   for (LoopVar = 0 ; LoopVar < OrderCount ; LoopVar++) {
1067     Buffer        = NULL;
1068     BufferSize    = 0;
1069     DevPathString = NULL;
1070
1071     UnicodeSPrint(VariableName, sizeof(VariableName), L"%s%04x", Op, CurrentOrder[LoopVar]);
1072
1073     Status = gRT->GetVariable(
1074         VariableName,
1075         (EFI_GUID*)&gEfiGlobalVariableGuid,
1076         NULL,
1077         &BufferSize,
1078         Buffer);
1079     if (Status == EFI_BUFFER_TOO_SMALL) {
1080       Buffer = AllocateZeroPool(BufferSize);
1081       Status = gRT->GetVariable(
1082           VariableName,
1083           (EFI_GUID*)&gEfiGlobalVariableGuid,
1084           NULL,
1085           &BufferSize,
1086           Buffer);
1087     }
1088
1089     if (EFI_ERROR(Status) || Buffer == NULL) {
1090       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_READ_FAIL), gShellBcfgHiiHandle, L"bcfg", VariableName);
1091       ++Errors;
1092       goto Cleanup;
1093     }
1094
1095     //
1096     // We expect the Attributes, FilePathListLength, and L'\0'-terminated
1097     // Description fields to be present.
1098     //
1099     if (BufferSize < sizeof *LoadOption + sizeof (CHAR16)) {
1100       ShellPrintHiiEx (
1101         -1,
1102         -1,
1103         NULL,
1104         STRING_TOKEN (STR_BCFG_VAR_CORRUPT),
1105         gShellBcfgHiiHandle,
1106         L"bcfg",
1107         VariableName
1108         );
1109       ++Errors;
1110       goto Cleanup;
1111     }
1112
1113     LoadOption      = (EFI_LOAD_OPTION *)Buffer;
1114     Description     = (CHAR16*)(Buffer + sizeof (EFI_LOAD_OPTION));
1115     DescriptionSize = StrSize (Description);
1116
1117     if (LoadOption->FilePathListLength != 0) {
1118       FilePathList = (UINT8 *)Description + DescriptionSize;
1119       DevPathString = ConvertDevicePathToText(FilePathList, TRUE, FALSE);
1120     }
1121
1122     OptionalDataOffset = sizeof *LoadOption + DescriptionSize +
1123                          LoadOption->FilePathListLength;
1124
1125     ShellPrintHiiEx(
1126       -1,
1127       -1,
1128       NULL,
1129       STRING_TOKEN(STR_BCFG_LOAD_OPTIONS),
1130       gShellBcfgHiiHandle,
1131       LoopVar,
1132       VariableName,
1133       Description,
1134       DevPathString,
1135       OptionalDataOffset >= BufferSize ? L'N' : L'Y'
1136       );
1137     if (VerboseOutput && (OptionalDataOffset < BufferSize)) {
1138       DumpHex (
1139         2,                               // Indent
1140         0,                               // Offset (displayed)
1141         BufferSize - OptionalDataOffset, // DataSize
1142         Buffer + OptionalDataOffset      // UserData
1143         );
1144     }
1145
1146 Cleanup:
1147     if (Buffer != NULL) {
1148       FreePool(Buffer);
1149     }
1150     if (DevPathString != NULL) {
1151       FreePool(DevPathString);
1152     }
1153   }
1154   return (Errors > 0) ? SHELL_INVALID_PARAMETER : SHELL_SUCCESS;
1155 }
1156
1157 /**
1158   Function to initialize the BCFG operation structure.
1159
1160   @param[in] Struct   The stuct to initialize.
1161 **/
1162 VOID
1163 EFIAPI
1164 InitBcfgStruct(
1165   IN BGFG_OPERATION *Struct
1166   )
1167 {
1168   ASSERT(Struct != NULL);
1169   Struct->Target      = BcfgTargetMax;
1170   Struct->Type        = BcfgTypeMax;
1171   Struct->Number1     = 0;
1172   Struct->Number2     = 0;
1173   Struct->HandleIndex = 0;
1174   Struct->FileName    = NULL;
1175   Struct->Description = NULL;
1176   Struct->Order       = NULL;
1177   Struct->OptData     = NULL;
1178 }
1179
1180
1181 STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
1182   {L"-v", TypeFlag},
1183   {L"-opt", TypeMaxValue},
1184   {NULL, TypeMax}
1185   };
1186
1187 /**
1188   Function for 'bcfg' command.
1189
1190   @param[in] ImageHandle  Handle to the Image (NULL if Internal).
1191   @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
1192 **/
1193 SHELL_STATUS
1194 EFIAPI
1195 ShellCommandRunBcfg (
1196   IN EFI_HANDLE        ImageHandle,
1197   IN EFI_SYSTEM_TABLE  *SystemTable
1198   )
1199 {
1200   EFI_STATUS            Status;
1201   LIST_ENTRY            *Package;
1202   CHAR16                *ProblemParam;
1203   SHELL_STATUS          ShellStatus;
1204   UINTN                 ParamNumber;
1205   CONST CHAR16          *CurrentParam;
1206   BGFG_OPERATION        CurrentOperation;
1207   UINTN                 Length;
1208   UINT64                Intermediate;
1209   UINT16                Count;
1210
1211   Length              = 0;
1212   ProblemParam        = NULL;
1213   Package             = NULL;
1214   ShellStatus         = SHELL_SUCCESS;
1215
1216   InitBcfgStruct(&CurrentOperation);
1217
1218   //
1219   // initialize the shell lib (we must be in non-auto-init...)
1220   //
1221   Status = ShellInitialize();
1222   ASSERT_EFI_ERROR(Status);
1223
1224   Status = CommandInit();
1225   ASSERT_EFI_ERROR(Status);
1226
1227   //
1228   // parse the command line
1229   //
1230   Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
1231   if (EFI_ERROR(Status)) {
1232     if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
1233       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellBcfgHiiHandle, L"bcfg", ProblemParam);
1234       FreePool(ProblemParam);
1235       ShellStatus = SHELL_INVALID_PARAMETER;
1236     } else {
1237       ASSERT(FALSE);
1238     }
1239   } else {
1240     //
1241     // Read in if we are doing -OPT
1242     //
1243     if (ShellCommandLineGetFlag(Package, L"-opt")) {
1244       CurrentOperation.OptData = ShellCommandLineGetValue(Package, L"-opt");
1245       if (CurrentOperation.OptData == NULL) {
1246         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellBcfgHiiHandle, L"bcfg", L"-opt");
1247         ShellStatus = SHELL_INVALID_PARAMETER;
1248       }
1249       CurrentOperation.Type = BcfgTypeOpt;
1250     }
1251
1252     //
1253     // small block to read the target of the operation
1254     //
1255     if ((ShellCommandLineGetCount(Package) < 3 && CurrentOperation.Type != BcfgTypeOpt) ||
1256         (ShellCommandLineGetCount(Package) < 2 && CurrentOperation.Type == BcfgTypeOpt)
1257        ){
1258       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellBcfgHiiHandle, L"bcfg");
1259       ShellStatus = SHELL_INVALID_PARAMETER;
1260     } else if (gUnicodeCollation->StriColl(gUnicodeCollation, (CHAR16*)ShellCommandLineGetRawValue(Package, 1), L"driver") == 0) {
1261       CurrentOperation.Target = BcfgTargetDriverOrder;
1262     } else if (gUnicodeCollation->StriColl(gUnicodeCollation, (CHAR16*)ShellCommandLineGetRawValue(Package, 1), L"boot") == 0) {
1263       CurrentOperation.Target = BcfgTargetBootOrder;
1264     } else {
1265       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_DRIVER_BOOT), gShellBcfgHiiHandle, L"bcfg");
1266       ShellStatus = SHELL_INVALID_PARAMETER;
1267     }
1268
1269
1270     //
1271     // Read in the boot or driver order environment variable (not needed for opt)
1272     //
1273     if (ShellStatus == SHELL_SUCCESS && CurrentOperation.Target < BcfgTargetMax) {
1274       Length = 0;
1275       Status = gRT->GetVariable(
1276         CurrentOperation.Target == BcfgTargetBootOrder?(CHAR16*)L"BootOrder":(CHAR16*)L"DriverOrder",
1277         (EFI_GUID*)&gEfiGlobalVariableGuid,
1278         NULL,
1279         &Length,
1280         CurrentOperation.Order);
1281       if (Status == EFI_BUFFER_TOO_SMALL) {
1282         CurrentOperation.Order = AllocateZeroPool(Length+(4*sizeof(CurrentOperation.Order[0])));
1283         if (CurrentOperation.Order == NULL) {
1284           ShellStatus = SHELL_OUT_OF_RESOURCES;
1285         } else {
1286           Status = gRT->GetVariable(
1287             CurrentOperation.Target == BcfgTargetBootOrder?(CHAR16*)L"BootOrder":(CHAR16*)L"DriverOrder",
1288             (EFI_GUID*)&gEfiGlobalVariableGuid,
1289             NULL,
1290             &Length,
1291             CurrentOperation.Order);
1292         }
1293       }
1294     }
1295
1296     Count = (UINT16) (Length / sizeof(CurrentOperation.Order[0]));
1297
1298     //
1299     // large block to read the type of operation and verify parameter types for the info.
1300     //
1301     if (ShellStatus == SHELL_SUCCESS && CurrentOperation.Target < BcfgTargetMax) {
1302       for (ParamNumber = 2 ; ParamNumber < ShellCommandLineGetCount(Package) && ShellStatus == SHELL_SUCCESS; ParamNumber++) {
1303         CurrentParam = ShellCommandLineGetRawValue(Package, ParamNumber);
1304         if        (gUnicodeCollation->StriColl(gUnicodeCollation, (CHAR16*)CurrentParam, L"dump") == 0)    {
1305           CurrentOperation.Type = BcfgTypeDump;
1306         } else if (ShellCommandLineGetFlag(Package, L"-v")) {
1307           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", L"-v (without dump)");
1308           ShellStatus = SHELL_INVALID_PARAMETER;
1309         } else if (gUnicodeCollation->StriColl(gUnicodeCollation, (CHAR16*)CurrentParam, L"add") == 0)     {
1310           if ((ParamNumber + 3) >= ShellCommandLineGetCount(Package)) {
1311             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellBcfgHiiHandle, L"bcfg");
1312             ShellStatus = SHELL_INVALID_PARAMETER;
1313           }
1314           CurrentOperation.Type = BcfgTypeAdd;
1315           CurrentParam = ShellCommandLineGetRawValue(Package, ++ParamNumber);
1316           if (CurrentParam == NULL || !ShellIsHexOrDecimalNumber(CurrentParam, TRUE, FALSE)) {
1317             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", CurrentParam);
1318             ShellStatus = SHELL_INVALID_PARAMETER;
1319           } else {
1320             Status = ShellConvertStringToUint64(CurrentParam, &Intermediate, TRUE, FALSE);
1321             CurrentOperation.Number1     = (UINT16)Intermediate;
1322             ASSERT(CurrentOperation.FileName == NULL);
1323             CurrentOperation.FileName    = StrnCatGrow(&CurrentOperation.FileName   , NULL, ShellCommandLineGetRawValue(Package, ++ParamNumber), 0);
1324             ASSERT(CurrentOperation.Description == NULL);
1325             CurrentOperation.Description = StrnCatGrow(&CurrentOperation.Description, NULL, ShellCommandLineGetRawValue(Package, ++ParamNumber), 0);
1326           }
1327         } else if (gUnicodeCollation->StriColl(gUnicodeCollation, (CHAR16*)CurrentParam, L"addp") == 0)    {
1328           if ((ParamNumber + 3) >= ShellCommandLineGetCount(Package)) {
1329             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellBcfgHiiHandle, L"bcfg");
1330             ShellStatus = SHELL_INVALID_PARAMETER;
1331           }
1332           CurrentOperation.Type = BcfgTypeAddp;
1333           CurrentParam = ShellCommandLineGetRawValue(Package, ++ParamNumber);
1334           if (CurrentParam == NULL || !ShellIsHexOrDecimalNumber(CurrentParam, TRUE, FALSE)) {
1335             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", CurrentParam);
1336             ShellStatus = SHELL_INVALID_PARAMETER;
1337           } else {
1338             Status = ShellConvertStringToUint64(CurrentParam, &Intermediate, TRUE, FALSE);
1339             CurrentOperation.Number1     = (UINT16)Intermediate;
1340             ASSERT(CurrentOperation.FileName == NULL);
1341             CurrentOperation.FileName    = StrnCatGrow(&CurrentOperation.FileName   , NULL, ShellCommandLineGetRawValue(Package, ++ParamNumber), 0);
1342             ASSERT(CurrentOperation.Description == NULL);
1343             CurrentOperation.Description = StrnCatGrow(&CurrentOperation.Description, NULL, ShellCommandLineGetRawValue(Package, ++ParamNumber), 0);
1344           }
1345         } else if (gUnicodeCollation->StriColl(gUnicodeCollation, (CHAR16*)CurrentParam, L"addh") == 0)    {
1346           if ((ParamNumber + 3) >= ShellCommandLineGetCount(Package)) {
1347             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellBcfgHiiHandle, L"bcfg");
1348             ShellStatus = SHELL_INVALID_PARAMETER;
1349           }
1350           CurrentOperation.Type = BcfgTypeAddh;
1351           CurrentParam = ShellCommandLineGetRawValue(Package, ++ParamNumber);
1352           if (CurrentParam == NULL || !ShellIsHexOrDecimalNumber(CurrentParam, TRUE, FALSE)) {
1353             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", CurrentParam);
1354             ShellStatus = SHELL_INVALID_PARAMETER;
1355           } else {
1356             Status = ShellConvertStringToUint64(CurrentParam, &Intermediate, TRUE, FALSE);
1357             CurrentOperation.Number1     = (UINT16)Intermediate;
1358             CurrentParam = ShellCommandLineGetRawValue(Package, ++ParamNumber);
1359             if (CurrentParam == NULL || !ShellIsHexOrDecimalNumber(CurrentParam, TRUE, FALSE)) {
1360               ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", CurrentParam);
1361               ShellStatus = SHELL_INVALID_PARAMETER;
1362             } else {
1363               Status = ShellConvertStringToUint64(CurrentParam, &Intermediate, TRUE, FALSE);
1364               CurrentOperation.HandleIndex = (UINT16)Intermediate;
1365               ASSERT(CurrentOperation.Description == NULL);
1366               CurrentOperation.Description = StrnCatGrow(&CurrentOperation.Description, NULL, ShellCommandLineGetRawValue(Package, ++ParamNumber), 0);
1367             }
1368           }
1369         } else if (gUnicodeCollation->StriColl(gUnicodeCollation, (CHAR16*)CurrentParam, L"rm") == 0)      {
1370           if ((ParamNumber + 1) >= ShellCommandLineGetCount(Package)) {
1371             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellBcfgHiiHandle, L"bcfg");
1372             ShellStatus = SHELL_INVALID_PARAMETER;
1373           }
1374           CurrentOperation.Type = BcfgTypeRm;
1375           CurrentParam = ShellCommandLineGetRawValue(Package, ++ParamNumber);
1376           if (CurrentParam == NULL || !ShellIsHexOrDecimalNumber(CurrentParam, TRUE, FALSE)) {
1377             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", CurrentParam);
1378             ShellStatus = SHELL_INVALID_PARAMETER;
1379           } else {
1380             Status = ShellConvertStringToUint64(CurrentParam, &Intermediate, TRUE, FALSE);
1381             CurrentOperation.Number1     = (UINT16)Intermediate;
1382             if (CurrentOperation.Number1 >= Count){
1383               ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_NUMB_RANGE), gShellBcfgHiiHandle, L"bcfg", Count);
1384               ShellStatus = SHELL_INVALID_PARAMETER;
1385             }
1386           }
1387         } else if (gUnicodeCollation->StriColl(gUnicodeCollation, (CHAR16*)CurrentParam, L"mv") == 0)      {
1388           if ((ParamNumber + 2) >= ShellCommandLineGetCount(Package)) {
1389             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellBcfgHiiHandle, L"bcfg");
1390             ShellStatus = SHELL_INVALID_PARAMETER;
1391           }
1392           CurrentOperation.Type = BcfgTypeMv;
1393           CurrentParam = ShellCommandLineGetRawValue(Package, ++ParamNumber);
1394           if (CurrentParam == NULL || !ShellIsHexOrDecimalNumber(CurrentParam, TRUE, FALSE)) {
1395             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", CurrentParam);
1396             ShellStatus = SHELL_INVALID_PARAMETER;
1397           } else {
1398             Status = ShellConvertStringToUint64(CurrentParam, &Intermediate, TRUE, FALSE);
1399             CurrentOperation.Number1     = (UINT16)Intermediate;
1400             if (CurrentOperation.Number1 >= Count){
1401               ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_NUMB_RANGE), gShellBcfgHiiHandle, L"bcfg", Count);
1402               ShellStatus = SHELL_INVALID_PARAMETER;
1403             } else {
1404               CurrentParam = ShellCommandLineGetRawValue(Package, ++ParamNumber);
1405               if (CurrentParam == NULL || !ShellIsHexOrDecimalNumber(CurrentParam, TRUE, FALSE)) {
1406                 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", CurrentParam);
1407                 ShellStatus = SHELL_INVALID_PARAMETER;
1408               } else {
1409                 Status = ShellConvertStringToUint64(CurrentParam, &Intermediate, TRUE, FALSE);
1410                 CurrentOperation.Number2     = (UINT16)Intermediate;
1411               }
1412               if (CurrentOperation.Number2 == CurrentOperation.Number1
1413                 ||CurrentOperation.Number2 >= Count
1414                ){
1415                 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_BCFG_NUMB_RANGE), gShellBcfgHiiHandle, L"bcfg", Count);
1416                 ShellStatus = SHELL_INVALID_PARAMETER;
1417               }
1418             }
1419           }
1420         } else {
1421           ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellBcfgHiiHandle, L"bcfg", CurrentParam);
1422           ShellStatus = SHELL_INVALID_PARAMETER;
1423         }
1424       }
1425     }
1426     if (ShellStatus == SHELL_SUCCESS && CurrentOperation.Target < BcfgTargetMax && CurrentOperation.Type < BcfgTypeMax) {
1427       //
1428       // we have all the info.  Do the work
1429       //
1430       switch (CurrentOperation.Type) {
1431         case   BcfgTypeDump:
1432           ShellStatus = BcfgDisplayDump(
1433             CurrentOperation.Target == BcfgTargetBootOrder?L"Boot":L"Driver",
1434             Count,
1435             CurrentOperation.Order,
1436             ShellCommandLineGetFlag(Package, L"-v"));
1437           break;
1438         case   BcfgTypeMv:
1439           ShellStatus = BcfgMove(
1440             CurrentOperation.Target,
1441             CurrentOperation.Order,
1442             Count,
1443             CurrentOperation.Number1,
1444             CurrentOperation.Number2);
1445           break;
1446         case   BcfgTypeRm:
1447           ShellStatus = BcfgRemove(
1448             CurrentOperation.Target,
1449             CurrentOperation.Order,
1450             Count,
1451             CurrentOperation.Number1);
1452           break;
1453         case   BcfgTypeAdd:
1454         case   BcfgTypeAddp:
1455         case   BcfgTypeAddh:
1456           ShellStatus = BcfgAdd(
1457             CurrentOperation.Number1,
1458             CurrentOperation.FileName,
1459             CurrentOperation.Description==NULL?L"":CurrentOperation.Description,
1460             CurrentOperation.Order,
1461             Count,
1462             CurrentOperation.Target,
1463             (BOOLEAN)(CurrentOperation.Type == BcfgTypeAddh),
1464             (BOOLEAN)(CurrentOperation.Type == BcfgTypeAddp),
1465             CurrentOperation.HandleIndex);
1466           break;
1467         case   BcfgTypeOpt:
1468           ShellStatus = BcfgAddOpt(
1469             CurrentOperation.OptData,
1470             CurrentOperation.Order,
1471             Count,
1472             CurrentOperation.Target);
1473           break;
1474         default:
1475           ASSERT(FALSE);
1476       }
1477     }
1478   }
1479
1480   if (Package != NULL) {
1481     ShellCommandLineFreeVarList (Package);
1482   }
1483   if (CurrentOperation.FileName != NULL) {
1484     FreePool(CurrentOperation.FileName);
1485   }
1486   if (CurrentOperation.Description != NULL) {
1487     FreePool(CurrentOperation.Description);
1488   }
1489   if (CurrentOperation.Order != NULL) {
1490     FreePool(CurrentOperation.Order);
1491   }
1492
1493   return (ShellStatus);
1494 }
1495
1496
1497 /**
1498   Function to get the filename with help context if HII will not be used.
1499
1500   @return   The filename with help text in it.
1501 **/
1502 CONST CHAR16*
1503 EFIAPI
1504 ShellCommandGetManFileNameBcfg (
1505   VOID
1506   )
1507 {
1508   return (mFileName);
1509 }
1510
1511 /**
1512   "Constructor" for the library.
1513
1514   This will register the handler for the bcfg command.
1515
1516   @param[in] ImageHandle    the image handle of the process
1517   @param[in] SystemTable    the EFI System Table pointer
1518   @param[in] Name           the profile name to use
1519
1520   @retval EFI_SUCCESS        the shell command handlers were installed sucessfully
1521   @retval EFI_UNSUPPORTED    the shell level required was not found.
1522 **/
1523 EFI_STATUS
1524 EFIAPI
1525 BcfgLibraryRegisterBcfgCommand (
1526   IN EFI_HANDLE        ImageHandle,
1527   IN EFI_SYSTEM_TABLE  *SystemTable,
1528   IN CONST CHAR16      *Name
1529   )
1530 {
1531   if (gShellBcfgHiiHandle != NULL) {
1532     return (EFI_SUCCESS);
1533   }
1534
1535   gShellBcfgHiiHandle = HiiAddPackages (&gShellBcfgHiiGuid, gImageHandle, UefiShellBcfgCommandLibStrings, NULL);
1536   if (gShellBcfgHiiHandle == NULL) {
1537     return (EFI_DEVICE_ERROR);
1538   }
1539
1540   //
1541   // install our shell command handler
1542   //
1543   ShellCommandRegisterCommandName(L"bcfg", ShellCommandRunBcfg , ShellCommandGetManFileNameBcfg, 0, Name, FALSE, gShellBcfgHiiHandle, STRING_TOKEN(STR_GET_HELP_BCFG));
1544
1545   return (EFI_SUCCESS);
1546 }
1547
1548 /**
1549   Destructor for the library.  free any resources.
1550
1551   @param ImageHandle            The image handle of the process.
1552   @param SystemTable            The EFI System Table pointer.
1553 **/
1554 EFI_STATUS
1555 EFIAPI
1556 BcfgLibraryUnregisterBcfgCommand (
1557   IN EFI_HANDLE        ImageHandle,
1558   IN EFI_SYSTEM_TABLE  *SystemTable
1559   )
1560 {
1561   if (gShellBcfgHiiHandle != NULL) {
1562     HiiRemovePackages(gShellBcfgHiiHandle);
1563   }
1564   gShellBcfgHiiHandle = NULL;
1565   return (EFI_SUCCESS);
1566 }
1567