/** @file\r
This is THE shell (application)\r
\r
- Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved.<BR>\r
- Copyright (c) 2013, Hewlett-Packard Development Company, L.P.\r
+ Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>\r
+ (C) Copyright 2013-2014, Hewlett-Packard Development Company, L.P.\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
UINTN Size;\r
EFI_HANDLE ConInHandle;\r
EFI_SIMPLE_TEXT_INPUT_PROTOCOL *OldConIn;\r
+ UINTN ExitDataSize;\r
+ CHAR16 *ExitData;\r
+ SHELL_STATUS ExitStatus;\r
\r
if (PcdGet8(PcdShellSupportLevel) > 3) {\r
return (EFI_UNSUPPORTED);\r
// install our console logger. This will keep a log of the output for back-browsing\r
//\r
Status = ConsoleLoggerInstall(ShellInfoObject.LogScreenCount, &ShellInfoObject.ConsoleInfo);\r
+ if(EFI_ERROR (Status)) {\r
+ ExitStatus = (SHELL_STATUS) (Status & (~MAX_BIT));\r
+ } else {\r
+ ExitStatus = SHELL_SUCCESS;\r
+ }\r
+ \r
if (!EFI_ERROR(Status)) {\r
//\r
// Enable the cursor to be visible\r
///@todo Add our package into Framework HII\r
}\r
if (ShellInfoObject.HiiHandle == NULL) {\r
- return (EFI_NOT_STARTED);\r
+ Status = EFI_NOT_STARTED;\r
+ goto FreeResources;\r
}\r
}\r
\r
//\r
// Check the command line\r
//\r
- Status = ProcessCommandLine();\r
+ Status = ProcessCommandLine ();\r
+ if (EFI_ERROR (Status)) {\r
+ goto FreeResources;\r
+ }\r
\r
//\r
// If shell support level is >= 1 create the mappings and paths\r
// Display the mapping\r
//\r
if (PcdGet8(PcdShellSupportLevel) >= 2 && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap) {\r
- Status = RunCommand(L"map");\r
+ Status = RunCommand(L"map", NULL);\r
ASSERT_EFI_ERROR(Status);\r
}\r
\r
//\r
// process the startup script or launch the called app.\r
//\r
- Status = DoStartupScript(ShellInfoObject.ImageDevPath, ShellInfoObject.FileDevPath);\r
+ Status = DoStartupScript(\r
+ ShellInfoObject.ImageDevPath,\r
+ ShellInfoObject.FileDevPath,\r
+ &ExitStatus\r
+ );\r
}\r
\r
if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit && !ShellCommandGetExit() && (PcdGet8(PcdShellSupportLevel) >= 3 || PcdGetBool(PcdShellForceConsole)) && !EFI_ERROR(Status) && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {\r
// Reset page break back to default.\r
//\r
ShellInfoObject.PageBreakEnabled = PcdGetBool(PcdShellPageBreakDefault);\r
+ ASSERT (ShellInfoObject.ConsoleInfo != NULL);\r
ShellInfoObject.ConsoleInfo->Enabled = TRUE;\r
ShellInfoObject.ConsoleInfo->RowCounter = 0;\r
\r
//\r
Status = DoShellPrompt();\r
} while (!ShellCommandGetExit());\r
+ ExitStatus = (SHELL_STATUS) ShellCommandGetExitCode();\r
}\r
if (OldConIn != NULL && ConInHandle != NULL) {\r
CloseSimpleTextInOnFile (gST->ConIn);\r
}\r
}\r
\r
+FreeResources:\r
//\r
// uninstall protocols / free memory / etc...\r
//\r
DEBUG_CODE(ShellInfoObject.ConsoleInfo = NULL;);\r
}\r
\r
- if (ShellCommandGetExit()) {\r
- return ((EFI_STATUS)ShellCommandGetExitCode());\r
+ if (!EFI_ERROR (Status)) {\r
+ // If the command exited with an error, we pass this error out in the ExitData\r
+ // so that it can be retrieved by the EfiShellExecute function (which may\r
+ // start the shell with gBS->StartImage)\r
+ if (ExitStatus != SHELL_SUCCESS) {\r
+ // Allocate a buffer for exit data to pass to gBS->Exit().\r
+ // This buffer will contain the empty string immediately followed by\r
+ // the shell's exit status. (The empty string is required by the UEFI spec)\r
+ ExitDataSize = (sizeof (CHAR16) + sizeof (SHELL_STATUS));\r
+ ExitData = AllocatePool (ExitDataSize);\r
+ if (ExitData == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ ExitData[0] = '\0';\r
+ // Use CopyMem to avoid alignment faults\r
+ CopyMem ((ExitData + 1), &ExitStatus, sizeof (ExitStatus));\r
+\r
+ gBS->Exit (ImageHandle, EFI_ABORTED, ExitDataSize, ExitData);\r
+\r
+ ASSERT (FALSE);\r
+ return EFI_SUCCESS;\r
+ } else {\r
+ return EFI_SUCCESS;\r
+ }\r
+ } else {\r
+ return Status;\r
}\r
- return (Status);\r
}\r
\r
/**\r
return (Status);\r
}\r
\r
-STATIC CONST SHELL_PARAM_ITEM mShellParamList[] = {\r
- {L"-nostartup", TypeFlag},\r
- {L"-startup", TypeFlag},\r
- {L"-noconsoleout", TypeFlag},\r
- {L"-noconsolein", TypeFlag},\r
- {L"-nointerrupt", TypeFlag},\r
- {L"-nomap", TypeFlag},\r
- {L"-noversion", TypeFlag},\r
- {L"-startup", TypeFlag},\r
- {L"-delay", TypeValue},\r
- {L"-_exit", TypeFlag},\r
- {NULL, TypeMax}\r
- };\r
-\r
/**\r
Process all Uefi Shell 2.0 command line options.\r
\r
VOID\r
)\r
{\r
- EFI_STATUS Status;\r
- LIST_ENTRY *Package;\r
- UINTN Size;\r
- CONST CHAR16 *TempConst;\r
- UINTN Count;\r
- UINTN LoopVar;\r
- CHAR16 *ProblemParam;\r
- UINT64 Intermediate;\r
-\r
- Package = NULL;\r
- ProblemParam = NULL;\r
- \r
- Status = ShellCommandLineParse (mShellParamList, &Package, NULL, FALSE);\r
-\r
- Count = 1;\r
- Size = 0;\r
- TempConst = ShellCommandLineGetRawValue(Package, Count++);\r
- if (TempConst != NULL && StrLen(TempConst)) {\r
- ShellInfoObject.ShellInitSettings.FileName = AllocateZeroPool(StrSize(TempConst));\r
- if (ShellInfoObject.ShellInitSettings.FileName == NULL) {\r
- return (EFI_OUT_OF_RESOURCES);\r
+ UINTN Size;\r
+ UINTN LoopVar;\r
+ CHAR16 *CurrentArg;\r
+ CHAR16 *DelayValueStr;\r
+ UINT64 DelayValue;\r
+ EFI_STATUS Status;\r
+ EFI_UNICODE_COLLATION_PROTOCOL *UnicodeCollation;\r
+\r
+ // `file-name-options` will contain arguments to `file-name` that we don't\r
+ // know about. This would cause ShellCommandLineParse to error, so we parse\r
+ // arguments manually, ignoring those after the first thing that doesn't look\r
+ // like a shell option (which is assumed to be `file-name`).\r
+\r
+ Status = gBS->LocateProtocol (\r
+ &gEfiUnicodeCollationProtocolGuid,\r
+ NULL,\r
+ (VOID **) &UnicodeCollation\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ // Set default options\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup = FALSE;\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup = FALSE;\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleOut = FALSE;\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn = FALSE;\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt = FALSE;\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap = FALSE;\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoVersion = FALSE;\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.Delay = FALSE;\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit = FALSE;\r
+ ShellInfoObject.ShellInitSettings.Delay = 5;\r
+\r
+ //\r
+ // Start LoopVar at 0 to parse only optional arguments at Argv[0]\r
+ // and parse other parameters from Argv[1]. This is for use case that\r
+ // UEFI Shell boot option is created, and OptionalData is provided\r
+ // that starts with shell command-line options.\r
+ //\r
+ for (LoopVar = 0 ; LoopVar < gEfiShellParametersProtocol->Argc ; LoopVar++) {\r
+ CurrentArg = gEfiShellParametersProtocol->Argv[LoopVar];\r
+ if (UnicodeCollation->StriColl (\r
+ UnicodeCollation,\r
+ L"-startup",\r
+ CurrentArg\r
+ ) == 0) {\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup = TRUE;\r
}\r
- StrCpy(ShellInfoObject.ShellInitSettings.FileName, TempConst);\r
- ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup = 1;\r
- for (LoopVar = 0 ; LoopVar < gEfiShellParametersProtocol->Argc ; LoopVar++) {\r
- if (StrCmp(gEfiShellParametersProtocol->Argv[LoopVar], ShellInfoObject.ShellInitSettings.FileName)==0) {\r
- LoopVar++;\r
- //\r
- // We found the file... add the rest of the params...\r
- //\r
- for ( ; LoopVar < gEfiShellParametersProtocol->Argc ; LoopVar++) {\r
- ASSERT((ShellInfoObject.ShellInitSettings.FileOptions == NULL && Size == 0) || (ShellInfoObject.ShellInitSettings.FileOptions != NULL));\r
- StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileOptions,\r
- &Size,\r
- L" ",\r
- 0);\r
- if (ShellInfoObject.ShellInitSettings.FileOptions == NULL) {\r
- SHELL_FREE_NON_NULL(ShellInfoObject.ShellInitSettings.FileName);\r
- return (EFI_OUT_OF_RESOURCES);\r
- }\r
- StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileOptions,\r
- &Size,\r
- gEfiShellParametersProtocol->Argv[LoopVar],\r
- 0);\r
- if (ShellInfoObject.ShellInitSettings.FileOptions == NULL) {\r
- SHELL_FREE_NON_NULL(ShellInfoObject.ShellInitSettings.FileName);\r
- return (EFI_OUT_OF_RESOURCES);\r
- }\r
+ else if (UnicodeCollation->StriColl (\r
+ UnicodeCollation,\r
+ L"-nostartup",\r
+ CurrentArg\r
+ ) == 0) {\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup = TRUE;\r
+ }\r
+ else if (UnicodeCollation->StriColl (\r
+ UnicodeCollation,\r
+ L"-noconsoleout",\r
+ CurrentArg\r
+ ) == 0) {\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleOut = TRUE;\r
+ }\r
+ else if (UnicodeCollation->StriColl (\r
+ UnicodeCollation,\r
+ L"-noconsolein",\r
+ CurrentArg\r
+ ) == 0) {\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn = TRUE;\r
+ }\r
+ else if (UnicodeCollation->StriColl (\r
+ UnicodeCollation,\r
+ L"-nointerrupt",\r
+ CurrentArg\r
+ ) == 0) {\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt = TRUE;\r
+ }\r
+ else if (UnicodeCollation->StriColl (\r
+ UnicodeCollation,\r
+ L"-nomap",\r
+ CurrentArg\r
+ ) == 0) {\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap = TRUE;\r
+ }\r
+ else if (UnicodeCollation->StriColl (\r
+ UnicodeCollation,\r
+ L"-noversion",\r
+ CurrentArg\r
+ ) == 0) {\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoVersion = TRUE;\r
+ }\r
+ else if (UnicodeCollation->StriColl (\r
+ UnicodeCollation,\r
+ L"-delay",\r
+ CurrentArg\r
+ ) == 0) {\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.Delay = TRUE;\r
+ // Check for optional delay value following "-delay"\r
+ DelayValueStr = gEfiShellParametersProtocol->Argv[LoopVar + 1];\r
+ if (DelayValueStr != NULL){\r
+ if (*DelayValueStr == L':') {\r
+ DelayValueStr++;\r
+ }\r
+ if (!EFI_ERROR(ShellConvertStringToUint64 (\r
+ DelayValueStr,\r
+ &DelayValue,\r
+ FALSE,\r
+ FALSE\r
+ ))) {\r
+ ShellInfoObject.ShellInitSettings.Delay = (UINTN)DelayValue;\r
+ LoopVar++;\r
+ }\r
+ }\r
+ } else if (UnicodeCollation->StriColl (\r
+ UnicodeCollation,\r
+ L"-_exit",\r
+ CurrentArg\r
+ ) == 0) {\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit = TRUE;\r
+ } else if (StrnCmp (L"-", CurrentArg, 1) == 0) {\r
+ // Unrecognised option\r
+ ShellPrintHiiEx(-1, -1, NULL,\r
+ STRING_TOKEN (STR_GEN_PROBLEM),\r
+ ShellInfoObject.HiiHandle,\r
+ CurrentArg\r
+ );\r
+ return EFI_INVALID_PARAMETER;\r
+ } else {\r
+ //\r
+ // First argument should be Shell.efi image name\r
+ //\r
+ if (LoopVar == 0) {\r
+ continue;\r
+ }\r
+\r
+ ShellInfoObject.ShellInitSettings.FileName = AllocateZeroPool(StrSize(CurrentArg));\r
+ if (ShellInfoObject.ShellInitSettings.FileName == NULL) {\r
+ return (EFI_OUT_OF_RESOURCES);\r
+ }\r
+ //\r
+ // We found `file-name`.\r
+ //\r
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup = 1;\r
+\r
+ StrCpy (ShellInfoObject.ShellInitSettings.FileName, CurrentArg);\r
+ LoopVar++;\r
+\r
+ // Add `file-name-options`\r
+ for (Size = 0 ; LoopVar < gEfiShellParametersProtocol->Argc ; LoopVar++) {\r
+ ASSERT((ShellInfoObject.ShellInitSettings.FileOptions == NULL && Size == 0) || (ShellInfoObject.ShellInitSettings.FileOptions != NULL));\r
+ StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileOptions,\r
+ &Size,\r
+ L" ",\r
+ 0);\r
+ if (ShellInfoObject.ShellInitSettings.FileOptions == NULL) {\r
+ SHELL_FREE_NON_NULL(ShellInfoObject.ShellInitSettings.FileName);\r
+ return (EFI_OUT_OF_RESOURCES);\r
+ }\r
+ StrnCatGrow(&ShellInfoObject.ShellInitSettings.FileOptions,\r
+ &Size,\r
+ gEfiShellParametersProtocol->Argv[LoopVar],\r
+ 0);\r
+ if (ShellInfoObject.ShellInitSettings.FileOptions == NULL) {\r
+ SHELL_FREE_NON_NULL(ShellInfoObject.ShellInitSettings.FileName);\r
+ return (EFI_OUT_OF_RESOURCES);\r
}\r
}\r
- }\r
- } else {\r
- ShellCommandLineFreeVarList(Package);\r
- Package = NULL;\r
- Status = ShellCommandLineParse (mShellParamList, &Package, &ProblemParam, FALSE);\r
- if (EFI_ERROR(Status)) {\r
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), ShellInfoObject.HiiHandle, ProblemParam);\r
- FreePool(ProblemParam);\r
- ShellCommandLineFreeVarList(Package);\r
- return (EFI_INVALID_PARAMETER);\r
}\r
}\r
\r
- ShellInfoObject.ShellInitSettings.BitUnion.Bits.Startup = ShellCommandLineGetFlag(Package, L"-startup");\r
- ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoStartup = ShellCommandLineGetFlag(Package, L"-nostartup");\r
- ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleOut = ShellCommandLineGetFlag(Package, L"-noconsoleout");\r
- ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn = ShellCommandLineGetFlag(Package, L"-noconsolein");\r
- ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt = ShellCommandLineGetFlag(Package, L"-nointerrupt");\r
- ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap = ShellCommandLineGetFlag(Package, L"-nomap");\r
- ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoVersion = ShellCommandLineGetFlag(Package, L"-noversion");\r
- ShellInfoObject.ShellInitSettings.BitUnion.Bits.Delay = ShellCommandLineGetFlag(Package, L"-delay");\r
- ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit = ShellCommandLineGetFlag(Package, L"-_exit");\r
-\r
- ShellInfoObject.ShellInitSettings.Delay = 5;\r
-\r
+ // "-nointerrupt" overrides "-delay"\r
if (ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoInterrupt) {\r
ShellInfoObject.ShellInitSettings.Delay = 0;\r
- } else if (ShellInfoObject.ShellInitSettings.BitUnion.Bits.Delay) {\r
- TempConst = ShellCommandLineGetValue(Package, L"-delay");\r
- if (TempConst != NULL && *TempConst == L':') {\r
- TempConst++;\r
- }\r
- if (TempConst != NULL && !EFI_ERROR(ShellConvertStringToUint64(TempConst, &Intermediate, FALSE, FALSE))) {\r
- ShellInfoObject.ShellInitSettings.Delay = (UINTN)Intermediate;\r
- }\r
}\r
- ShellCommandLineFreeVarList(Package);\r
\r
- return (Status);\r
+ return EFI_SUCCESS;\r
}\r
\r
/**\r
@param ImagePath the path to the image for shell. first place to look for the startup script\r
@param FilePath the path to the file for shell. second place to look for the startup script.\r
\r
+ @param[out] ExitStatus The exit code of the script. Ignored if NULL.\r
+\r
@retval EFI_SUCCESS the variable is initialized.\r
**/\r
EFI_STATUS\r
EFIAPI\r
DoStartupScript(\r
- EFI_DEVICE_PATH_PROTOCOL *ImagePath,\r
- EFI_DEVICE_PATH_PROTOCOL *FilePath\r
+ IN EFI_DEVICE_PATH_PROTOCOL *ImagePath,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath,\r
+ OUT SHELL_STATUS *ExitStatus\r
)\r
{\r
EFI_STATUS Status;\r
StrCat(FileStringPath, L" ");\r
StrCat(FileStringPath, ShellInfoObject.ShellInitSettings.FileOptions);\r
}\r
- Status = RunCommand(FileStringPath);\r
+ Status = RunCommand(FileStringPath, ExitStatus);\r
FreePool(FileStringPath);\r
return (Status);\r
\r
// If we got a file, run it\r
//\r
if (!EFI_ERROR(Status) && FileHandle != NULL) {\r
- Status = RunScriptFileHandle (FileHandle, mStartupScript);\r
+ Status = RunScriptFile (\r
+ mStartupScript,\r
+ FileHandle,\r
+ L"",\r
+ ShellInfoObject.NewShellParametersProtocol,\r
+ ExitStatus\r
+ );\r
ShellInfoObject.NewEfiShellProtocol->CloseFile(FileHandle);\r
} else {\r
FileStringPath = ShellFindFilePath(mStartupScript);\r
Status = EFI_SUCCESS;\r
ASSERT(FileHandle == NULL);\r
} else {\r
- Status = RunScriptFile(FileStringPath);\r
+ Status = RunScriptFile(\r
+ FileStringPath,\r
+ NULL,\r
+ L"",\r
+ ShellInfoObject.NewShellParametersProtocol,\r
+ ExitStatus\r
+ );\r
FreePool(FileStringPath);\r
}\r
}\r
//\r
if (!EFI_ERROR (Status)) {\r
CmdLine[BufferSize / sizeof (CHAR16)] = CHAR_NULL;\r
- Status = RunCommand(CmdLine);\r
- }\r
+ Status = RunCommand(CmdLine, NULL);\r
+ }\r
\r
//\r
// Done with this command\r
return (EFI_SUCCESS);\r
}\r
\r
+/**\r
+ Parse for the next instance of one string within another string. Can optionally make sure that \r
+ the string was not escaped (^ character) per the shell specification.\r
+\r
+ @param[in] SourceString The string to search within\r
+ @param[in] FindString The string to look for\r
+ @param[in] CheckForEscapeCharacter TRUE to skip escaped instances of FinfString, otherwise will return even escaped instances\r
+**/\r
+CHAR16*\r
+EFIAPI\r
+FindNextInstance(\r
+ IN CONST CHAR16 *SourceString,\r
+ IN CONST CHAR16 *FindString,\r
+ IN CONST BOOLEAN CheckForEscapeCharacter\r
+ )\r
+{\r
+ CHAR16 *Temp;\r
+ if (SourceString == NULL) {\r
+ return (NULL);\r
+ }\r
+ Temp = StrStr(SourceString, FindString);\r
+\r
+ //\r
+ // If nothing found, or we dont care about escape characters\r
+ //\r
+ if (Temp == NULL || !CheckForEscapeCharacter) {\r
+ return (Temp);\r
+ }\r
+\r
+ //\r
+ // If we found an escaped character, try again on the remainder of the string\r
+ //\r
+ if ((Temp > (SourceString)) && *(Temp-1) == L'^') {\r
+ return FindNextInstance(Temp+1, FindString, CheckForEscapeCharacter);\r
+ }\r
+\r
+ //\r
+ // we found the right character\r
+ //\r
+ return (Temp);\r
+}\r
+\r
+/**\r
+ This function will eliminate unreplaced (and therefore non-found) environment variables.\r
+\r
+ @param[in,out] CmdLine The command line to update.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+StripUnreplacedEnvironmentVariables(\r
+ IN OUT CHAR16 *CmdLine\r
+ )\r
+{\r
+ CHAR16 *FirstPercent;\r
+ CHAR16 *FirstQuote;\r
+ CHAR16 *SecondPercent;\r
+ CHAR16 *SecondQuote;\r
+ CHAR16 *CurrentLocator;\r
+\r
+ for (CurrentLocator = CmdLine ; CurrentLocator != NULL ; ) {\r
+ FirstQuote = FindNextInstance(CurrentLocator, L"\"", TRUE);\r
+ FirstPercent = FindNextInstance(CurrentLocator, L"%", TRUE);\r
+ SecondPercent = FirstPercent!=NULL?FindNextInstance(FirstPercent+1, L"%", TRUE):NULL;\r
+ if (FirstPercent == NULL || SecondPercent == NULL) {\r
+ //\r
+ // If we ever dont have 2 % we are done.\r
+ //\r
+ break;\r
+ }\r
+\r
+ if (FirstQuote < FirstPercent) {\r
+ SecondQuote = FirstQuote!= NULL?FindNextInstance(FirstQuote+1, L"\"", TRUE):NULL;\r
+ //\r
+ // Quote is first found\r
+ //\r
+\r
+ if (SecondQuote < FirstPercent) {\r
+ //\r
+ // restart after the pair of "\r
+ //\r
+ CurrentLocator = SecondQuote + 1;\r
+ } else /* FirstPercent < SecondQuote */{\r
+ //\r
+ // Restart on the first percent\r
+ //\r
+ CurrentLocator = FirstPercent;\r
+ }\r
+ continue;\r
+ }\r
+ ASSERT(FirstPercent < FirstQuote);\r
+ if (SecondPercent < FirstQuote) {\r
+ FirstPercent[0] = L'\"';\r
+ SecondPercent[0] = L'\"';\r
+\r
+ //\r
+ // We need to remove from FirstPercent to SecondPercent\r
+ //\r
+ CopyMem(FirstPercent + 1, SecondPercent, StrSize(SecondPercent));\r
+ CurrentLocator = FirstPercent + 2;\r
+ continue;\r
+ }\r
+ ASSERT(FirstQuote < SecondPercent);\r
+ CurrentLocator = FirstQuote;\r
+ }\r
+ return (EFI_SUCCESS);\r
+}\r
+\r
/**\r
Function allocates a new command line and replaces all instances of environment\r
variable names that are correctly preset to their values.\r
CHAR16 *NewCommandLine1;\r
CHAR16 *NewCommandLine2;\r
CHAR16 *Temp;\r
- CHAR16 *Temp2;\r
UINTN ItemSize;\r
CHAR16 *ItemTemp;\r
SCRIPT_FILE *CurrentScriptFile;\r
//\r
// Remove non-existant environment variables in scripts only\r
//\r
- for (Temp = NewCommandLine1 ; Temp != NULL ; ) {\r
- Temp = StrStr(Temp, L"%");\r
- if (Temp == NULL) {\r
- break;\r
- }\r
- while (*(Temp - 1) == L'^') {\r
- Temp = StrStr(Temp + 1, L"%");\r
- if (Temp == NULL) {\r
- break;\r
- }\r
- }\r
- if (Temp == NULL) {\r
- break;\r
- }\r
- \r
- Temp2 = StrStr(Temp + 1, L"%");\r
- if (Temp2 == NULL) {\r
- break;\r
- }\r
- while (*(Temp2 - 1) == L'^') {\r
- Temp2 = StrStr(Temp2 + 1, L"%");\r
- if (Temp2 == NULL) {\r
- break;\r
- }\r
- }\r
- if (Temp2 == NULL) {\r
- break;\r
- }\r
- \r
- Temp2++;\r
- CopyMem(Temp, Temp2, StrSize(Temp2));\r
- }\r
-\r
+ StripUnreplacedEnvironmentVariables(NewCommandLine1);\r
}\r
\r
//\r
@param[in] StdIn The pointer to the Standard input.\r
@param[in] StdOut The pointer to the Standard output.\r
\r
+ @param[out] ExitStatus The exit code of the last command in the pipeline.\r
+ Ignored if NULL.\r
+\r
@retval EFI_SUCCESS The split command is executed successfully.\r
@retval other Some error occurs when executing the split command.\r
**/\r
RunSplitCommand(\r
IN CONST CHAR16 *CmdLine,\r
IN SHELL_FILE_HANDLE *StdIn,\r
- IN SHELL_FILE_HANDLE *StdOut\r
+ IN SHELL_FILE_HANDLE *StdOut,\r
+ OUT SHELL_STATUS *ExitStatus\r
)\r
{\r
EFI_STATUS Status;\r
ASSERT(Split->SplitStdOut != NULL);\r
InsertHeadList(&ShellInfoObject.SplitList.Link, &Split->Link);\r
\r
- Status = RunCommand(OurCommandLine);\r
+ Status = RunCommand(OurCommandLine, NULL);\r
\r
//\r
// move the output from the first to the in to the second.\r
ShellInfoObject.NewEfiShellProtocol->SetFilePosition(ConvertShellHandleToEfiFileProtocol(Split->SplitStdIn), 0);\r
\r
if (!EFI_ERROR(Status)) {\r
- Status = RunCommand(NextCommandLine);\r
+ Status = RunCommand(NextCommandLine, ExitStatus);\r
}\r
\r
//\r
}\r
\r
//\r
- // Test for file system change request. anything ending with : and cant have spaces.\r
+ // Test for file system change request. anything ending with first : and cant have spaces.\r
//\r
if (CmdName[(StrLen(CmdName)-1)] == L':') {\r
- if (StrStr(CmdName, L" ") != NULL) {\r
+ if ( StrStr(CmdName, L" ") != NULL \r
+ || StrLen(StrStr(CmdName, L":")) > 1\r
+ ) {\r
return (Unknown_Invalid);\r
}\r
return (File_Sys_Change);\r
return (Unknown_Invalid);\r
}\r
\r
+/**\r
+ Determine if the first item in a command line is valid.\r
+\r
+ @param[in] CmdLine The command line to parse.\r
+\r
+ @retval EFI_SUCCESS The item is valid.\r
+ @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r
+ @retval EFI_NOT_FOUND The operation type is unknown or invalid.\r
+**/\r
EFI_STATUS \r
EFIAPI\r
IsValidSplit(\r
/**\r
Process a split based operation.\r
\r
- @param[in] CmdLine pointer to the command line to process\r
+ @param[in] CmdLine Pointer to the command line to process\r
+ @param[out] ExitStatus The exit status of the command. Ignored if NULL.\r
+ Invalid if this function returns an error.\r
\r
@retval EFI_SUCCESS The operation was successful\r
@return an error occured.\r
EFI_STATUS\r
EFIAPI\r
ProcessNewSplitCommandLine(\r
- IN CONST CHAR16 *CmdLine\r
+ IN CONST CHAR16 *CmdLine,\r
+ OUT SHELL_STATUS *ExitStatus\r
)\r
{\r
SPLIT_LIST *Split;\r
}\r
\r
if (Split == NULL) {\r
- Status = RunSplitCommand(CmdLine, NULL, NULL);\r
+ Status = RunSplitCommand(CmdLine, NULL, NULL, ExitStatus);\r
} else {\r
- Status = RunSplitCommand(CmdLine, Split->SplitStdIn, Split->SplitStdOut);\r
+ Status = RunSplitCommand(\r
+ CmdLine,\r
+ Split->SplitStdIn,\r
+ Split->SplitStdOut,\r
+ ExitStatus\r
+ );\r
}\r
if (EFI_ERROR(Status)) {\r
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_SPLIT), ShellInfoObject.HiiHandle, CmdLine);\r
if (EFI_ERROR(Status)) {\r
return (Status);\r
}\r
+ ASSERT (*CmdLine != NULL);\r
\r
TrimSpaces(CmdLine);\r
\r
@param[in] FirstParameter the first parameter on the command line\r
@param[in] ParamProtocol the shell parameters protocol pointer\r
\r
+ @param[out] ExitStatus The exit code of the command. Ignored if NULL.\r
+\r
@retval EFI_SUCCESS The command was completed.\r
@retval EFI_ABORTED The command's operation was aborted.\r
**/\r
RunInternalCommand(\r
IN CONST CHAR16 *CmdLine,\r
IN CHAR16 *FirstParameter,\r
- IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol\r
+ IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,\r
+ OUT SHELL_STATUS *ExitStatus OPTIONAL\r
)\r
{\r
EFI_STATUS Status;\r
if (LastError) {\r
SetLastError(CommandReturnedStatus);\r
}\r
+ if (ExitStatus != NULL) {\r
+ *ExitStatus = CommandReturnedStatus;\r
+ }\r
\r
//\r
// Pass thru the exitcode from the app.\r
@param[in] FirstParameter the first parameter on the command line\r
@param[in] ParamProtocol the shell parameters protocol pointer\r
\r
+ @param[out] ExitStatus The exit code of the command or file.\r
+ Ignored if NULL.\r
+\r
@retval EFI_SUCCESS The command was completed.\r
@retval EFI_ABORTED The command's operation was aborted.\r
**/\r
IN SHELL_OPERATION_TYPES Type,\r
IN CONST CHAR16 *CmdLine,\r
IN CHAR16 *FirstParameter,\r
- IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol\r
+ IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,\r
+ OUT SHELL_STATUS *ExitStatus\r
)\r
{\r
EFI_STATUS Status;\r
- EFI_STATUS StatusCode;\r
+ EFI_STATUS StartStatus;\r
CHAR16 *CommandWithPath;\r
EFI_DEVICE_PATH_PROTOCOL *DevPath;\r
+ SHELL_STATUS CalleeExitStatus;\r
\r
Status = EFI_SUCCESS;\r
CommandWithPath = NULL;\r
DevPath = NULL;\r
+ CalleeExitStatus = SHELL_INVALID_PARAMETER;\r
\r
switch (Type) {\r
case Internal_Command:\r
- Status = RunInternalCommand(CmdLine, FirstParameter, ParamProtocol);\r
+ Status = RunInternalCommand(\r
+ CmdLine,\r
+ FirstParameter,\r
+ ParamProtocol,\r
+ &CalleeExitStatus\r
+ );\r
break;\r
case Script_File_Name:\r
case Efi_Application:\r
}\r
switch (Type) {\r
case Script_File_Name:\r
- Status = RunScriptFile (CommandWithPath);\r
+ Status = RunScriptFile (\r
+ CommandWithPath,\r
+ NULL,\r
+ CmdLine,\r
+ ParamProtocol,\r
+ &CalleeExitStatus\r
+ );\r
break;\r
case Efi_Application:\r
//\r
DevPath,\r
CmdLine,\r
NULL,\r
- &StatusCode\r
+ &StartStatus,\r
+ NULL,\r
+ NULL\r
);\r
\r
SHELL_FREE_NON_NULL(DevPath);\r
\r
+ if(EFI_ERROR (Status)) {\r
+ CalleeExitStatus = (SHELL_STATUS) (Status & (~MAX_BIT));\r
+ } else {\r
+ CalleeExitStatus = (SHELL_STATUS) StartStatus;\r
+ }\r
+\r
//\r
// Update last error status.\r
//\r
- SetLastError((SHELL_STATUS) StatusCode);\r
+ // Status is an EFI_STATUS. Clear top bit to convert to SHELL_STATUS\r
+ SetLastError(CalleeExitStatus);\r
break;\r
default:\r
//\r
\r
SHELL_FREE_NON_NULL(CommandWithPath);\r
\r
+ if (ExitStatus != NULL) {\r
+ *ExitStatus = CalleeExitStatus;\r
+ }\r
+\r
return (Status);\r
}\r
\r
@param[in] FirstParameter the first parameter on the command line.\r
@param[in] ParamProtocol the shell parameters protocol pointer\r
\r
+ @param[out] ExitStatus The exit code of the command or file.\r
+ Ignored if NULL.\r
+\r
@retval EFI_SUCCESS The command was completed.\r
@retval EFI_ABORTED The command's operation was aborted.\r
**/\r
EFI_STATUS\r
EFIAPI\r
SetupAndRunCommandOrFile(\r
- IN SHELL_OPERATION_TYPES Type,\r
- IN CHAR16 *CmdLine,\r
- IN CHAR16 *FirstParameter,\r
- IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol\r
+ IN SHELL_OPERATION_TYPES Type,\r
+ IN CHAR16 *CmdLine,\r
+ IN CHAR16 *FirstParameter,\r
+ IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,\r
+ OUT SHELL_STATUS *ExitStatus\r
)\r
{\r
EFI_STATUS Status;\r
// Now run the command, script, or application\r
//\r
if (!EFI_ERROR(Status)) {\r
- Status = RunCommandOrFile(Type, CmdLine, FirstParameter, ParamProtocol);\r
+ Status = RunCommandOrFile(\r
+ Type,\r
+ CmdLine,\r
+ FirstParameter,\r
+ ParamProtocol,\r
+ ExitStatus\r
+ );\r
}\r
\r
//\r
command or dispatch an external application.\r
\r
@param[in] CmdLine The command line to parse.\r
+ @param[out] ExitStatus The exit code of the command. Ignored if NULL.\r
\r
@retval EFI_SUCCESS The command was completed.\r
@retval EFI_ABORTED The command's operation was aborted.\r
EFI_STATUS\r
EFIAPI\r
RunCommand(\r
- IN CONST CHAR16 *CmdLine\r
+ IN CONST CHAR16 *CmdLine,\r
+ OUT SHELL_STATUS *ExitStatus\r
)\r
{\r
EFI_STATUS Status;\r
// We dont do normal processing with a split command line (output from one command input to another)\r
//\r
if (ContainsSplit(CleanOriginal)) {\r
- Status = ProcessNewSplitCommandLine(CleanOriginal);\r
+ Status = ProcessNewSplitCommandLine(CleanOriginal, ExitStatus);\r
SHELL_FREE_NON_NULL(CleanOriginal);\r
return (Status);\r
} \r
//\r
switch (Type = GetOperationType(FirstParameter)) {\r
case File_Sys_Change:\r
- Status = ChangeMappedDrive(CleanOriginal);\r
+ Status = ChangeMappedDrive (FirstParameter);\r
break;\r
case Internal_Command:\r
case Script_File_Name:\r
case Efi_Application:\r
- Status = SetupAndRunCommandOrFile(Type, CleanOriginal, FirstParameter, ShellInfoObject.NewShellParametersProtocol);\r
+ Status = SetupAndRunCommandOrFile(\r
+ Type,\r
+ CleanOriginal,\r
+ FirstParameter,\r
+ ShellInfoObject.NewShellParametersProtocol,\r
+ ExitStatus\r
+ );\r
break;\r
default:\r
//\r
@param[in] Handle The handle to the already opened file.\r
@param[in] Name The name of the script file.\r
\r
+ @param[out] ExitStatus The exit code of the script. Ignored if NULL.\r
+\r
@retval EFI_SUCCESS the script completed sucessfully\r
**/\r
EFI_STATUS\r
EFIAPI\r
RunScriptFileHandle (\r
- IN SHELL_FILE_HANDLE Handle,\r
- IN CONST CHAR16 *Name\r
+ IN SHELL_FILE_HANDLE Handle,\r
+ IN CONST CHAR16 *Name,\r
+ OUT SHELL_STATUS *ExitStatus\r
)\r
{\r
EFI_STATUS Status;\r
CONST CHAR16 *CurDir;\r
UINTN LineCount;\r
CHAR16 LeString[50];\r
+ SHELL_STATUS CalleeExitStatus;\r
\r
ASSERT(!ShellCommandGetScriptExit());\r
+ \r
+ CalleeExitStatus = SHELL_SUCCESS;\r
\r
PreScriptEchoState = ShellCommandGetEchoState();\r
\r
while(!ShellFileHandleEof(Handle)) {\r
CommandLine = ShellFileHandleReturnLine(Handle, &Ascii);\r
LineCount++;\r
- if (CommandLine == NULL || StrLen(CommandLine) == 0) {\r
+ if (CommandLine == NULL || StrLen(CommandLine) == 0 || CommandLine[0] == '#') {\r
+ SHELL_FREE_NON_NULL(CommandLine);\r
continue;\r
}\r
NewScriptFile->CurrentCommand = AllocateZeroPool(sizeof(SCRIPT_COMMAND_LIST));\r
if (NewScriptFile->CurrentCommand == NULL) {\r
+ SHELL_FREE_NON_NULL(CommandLine);\r
DeleteScriptFileStruct(NewScriptFile);\r
return (EFI_OUT_OF_RESOURCES);\r
}\r
//\r
PreCommandEchoState = ShellCommandGetEchoState();\r
ShellCommandSetEchoState(FALSE);\r
- Status = RunCommand(CommandLine3+1);\r
+ Status = RunCommand(CommandLine3+1, NULL);\r
\r
//\r
// If command was "@echo -off" or "@echo -on" then don't restore echo state\r
}\r
ShellPrintEx(-1, -1, L"%s\r\n", CommandLine2);\r
}\r
- Status = RunCommand(CommandLine3);\r
+ Status = RunCommand(CommandLine3, NULL);\r
}\r
}\r
\r
//\r
// ShellCommandGetExitCode() always returns a UINT64\r
//\r
- UnicodeSPrint(LeString, sizeof(LeString), L"0x%Lx", ShellCommandGetExitCode());\r
+ CalleeExitStatus = (SHELL_STATUS) ShellCommandGetExitCode();\r
+ UnicodeSPrint(LeString, sizeof(LeString), L"0x%Lx", CalleeExitStatus);\r
DEBUG_CODE(InternalEfiShellSetEnv(L"debuglasterror", LeString, TRUE););\r
InternalEfiShellSetEnv(L"lasterror", LeString, TRUE);\r
\r
break;\r
}\r
if (EFI_ERROR(Status)) {\r
+ CalleeExitStatus = (SHELL_STATUS) Status;\r
break;\r
}\r
if (ShellCommandGetExit()) {\r
+ CalleeExitStatus = (SHELL_STATUS) ShellCommandGetExitCode();\r
break;\r
}\r
}\r
if (ShellCommandGetCurrentScriptFile()==NULL) {\r
ShellCommandSetEchoState(PreScriptEchoState);\r
}\r
+\r
+ if (ExitStatus != NULL) {\r
+ *ExitStatus = CalleeExitStatus;\r
+ }\r
+\r
return (EFI_SUCCESS);\r
}\r
\r
Function to process a NSH script file.\r
\r
@param[in] ScriptPath Pointer to the script file name (including file system path).\r
+ @param[in] Handle the handle of the script file already opened.\r
+ @param[in] CmdLine the command line to run.\r
+ @param[in] ParamProtocol the shell parameters protocol pointer\r
+\r
+ @param[out] ExitStatus The exit code of the script. Ignored if NULL.\r
\r
@retval EFI_SUCCESS the script completed sucessfully\r
**/\r
EFI_STATUS\r
EFIAPI\r
RunScriptFile (\r
- IN CONST CHAR16 *ScriptPath\r
+ IN CONST CHAR16 *ScriptPath,\r
+ IN SHELL_FILE_HANDLE Handle OPTIONAL,\r
+ IN CONST CHAR16 *CmdLine,\r
+ IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol,\r
+ OUT SHELL_STATUS *ExitStatus\r
)\r
{\r
EFI_STATUS Status;\r
SHELL_FILE_HANDLE FileHandle;\r
+ UINTN Argc;\r
+ CHAR16 **Argv;\r
\r
if (ShellIsFile(ScriptPath) != EFI_SUCCESS) {\r
return (EFI_INVALID_PARAMETER);\r
}\r
\r
- Status = ShellOpenFileByName(ScriptPath, &FileHandle, EFI_FILE_MODE_READ, 0);\r
- if (EFI_ERROR(Status)) {\r
- return (Status);\r
- }\r
+ //\r
+ // get the argc and argv updated for scripts\r
+ //\r
+ Status = UpdateArgcArgv(ParamProtocol, CmdLine, &Argv, &Argc);\r
+ if (!EFI_ERROR(Status)) {\r
+\r
+ if (Handle == NULL) {\r
+ //\r
+ // open the file\r
+ //\r
+ Status = ShellOpenFileByName(ScriptPath, &FileHandle, EFI_FILE_MODE_READ, 0);\r
+ if (!EFI_ERROR(Status)) {\r
+ //\r
+ // run it\r
+ //\r
+ Status = RunScriptFileHandle(FileHandle, ScriptPath, ExitStatus);\r
\r
- Status = RunScriptFileHandle(FileHandle, ScriptPath);\r
+ //\r
+ // now close the file\r
+ //\r
+ ShellCloseFile(&FileHandle);\r
+ }\r
+ } else {\r
+ Status = RunScriptFileHandle(Handle, ScriptPath, ExitStatus);\r
+ }\r
+ }\r
\r
- ShellCloseFile(&FileHandle);\r
+ //\r
+ // This is guarenteed to be called after UpdateArgcArgv no matter what else happened.\r
+ // This is safe even if the update API failed. In this case, it may be a no-op.\r
+ //\r
+ RestoreArgcArgv(ParamProtocol, &Argv, &Argc);\r
\r
return (Status);\r
}\r
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