X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ShellPkg%2FApplication%2FShell%2FShell.c;h=81982f135405a9ac442fcb3728e4bf981584aa63;hb=4922715d85564441d7cf16bac1a1fa67673f6877;hp=a56967189bba7ca7e4b7c09e55ac983a18c0a26f;hpb=fb84495a7894307e0b7b5b803ac033efeabfb058;p=mirror_edk2.git
diff --git a/ShellPkg/Application/Shell/Shell.c b/ShellPkg/Application/Shell/Shell.c
index a56967189b..81982f1354 100644
--- a/ShellPkg/Application/Shell/Shell.c
+++ b/ShellPkg/Application/Shell/Shell.c
@@ -1,7 +1,8 @@
/** @file
This is THE shell (application)
- Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.
+ Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.
+ Copyright (c) 2013, Hewlett-Packard Development Company, L.P.
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -23,22 +24,24 @@ SHELL_INFO ShellInfoObject = {
FALSE,
FALSE,
{
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
+ {{
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0
+ }},
0,
NULL,
NULL
},
- {0,0},
+ {{NULL, NULL}, NULL},
{
- {0,0},
+ {{NULL, NULL}, NULL},
0,
0,
TRUE
@@ -50,18 +53,99 @@ SHELL_INFO ShellInfoObject = {
NULL,
NULL,
NULL,
- {0,0,NULL,NULL},
- {0,0},
+ {{NULL, NULL}, NULL, NULL},
+ {{NULL, NULL}, NULL, NULL},
+ NULL,
+ NULL,
+ NULL,
NULL,
NULL,
NULL,
- NULL
+ NULL,
+ NULL,
+ FALSE
};
STATIC CONST CHAR16 mScriptExtension[] = L".NSH";
STATIC CONST CHAR16 mExecutableExtensions[] = L".NSH;.EFI";
STATIC CONST CHAR16 mStartupScript[] = L"startup.nsh";
+/**
+ Cleans off leading and trailing spaces and tabs.
+
+ @param[in] String pointer to the string to trim them off.
+**/
+EFI_STATUS
+EFIAPI
+TrimSpaces(
+ IN CHAR16 **String
+ )
+{
+ ASSERT(String != NULL);
+ ASSERT(*String!= NULL);
+ //
+ // Remove any spaces and tabs at the beginning of the (*String).
+ //
+ while (((*String)[0] == L' ') || ((*String)[0] == L'\t')) {
+ CopyMem((*String), (*String)+1, StrSize((*String)) - sizeof((*String)[0]));
+ }
+
+ //
+ // Remove any spaces and tabs at the end of the (*String).
+ //
+ while ((StrLen (*String) > 0) && (((*String)[StrLen((*String))-1] == L' ') || ((*String)[StrLen((*String))-1] == L'\t'))) {
+ (*String)[StrLen((*String))-1] = CHAR_NULL;
+ }
+
+ return (EFI_SUCCESS);
+}
+
+/**
+ Find a command line contains a split operation
+
+ @param[in] CmdLine The command line to parse.
+
+ @retval A pointer to the | character in CmdLine or NULL if not present.
+**/
+CONST CHAR16*
+EFIAPI
+FindSplit(
+ IN CONST CHAR16 *CmdLine
+ )
+{
+ CONST CHAR16 *TempSpot;
+ TempSpot = NULL;
+ if (StrStr(CmdLine, L"|") != NULL) {
+ for (TempSpot = CmdLine ; TempSpot != NULL && *TempSpot != CHAR_NULL ; TempSpot++) {
+ if (*TempSpot == L'^' && *(TempSpot+1) == L'|') {
+ TempSpot++;
+ } else if (*TempSpot == L'|') {
+ break;
+ }
+ }
+ }
+ return (TempSpot);
+}
+
+/**
+ Determine if a command line contains a split operation
+
+ @param[in] CmdLine The command line to parse.
+
+ @retval TRUE CmdLine has a valid split.
+ @retval FALSE CmdLine does not have a valid split.
+**/
+BOOLEAN
+EFIAPI
+ContainsSplit(
+ IN CONST CHAR16 *CmdLine
+ )
+{
+ CONST CHAR16 *TempSpot;
+ TempSpot = FindSplit(CmdLine);
+ return (BOOLEAN) ((TempSpot != NULL) && (*TempSpot != CHAR_NULL));
+}
+
/**
Function to start monitoring for CTRL-S using SimpleTextInputEx. This
feature's enabled state was not known when the shell initially launched.
@@ -123,7 +207,7 @@ InternalEfiShellStartCtrlSMonitor(
SimpleEx,
&KeyData,
NotificationFunction,
- &ShellInfoObject.CtrlSNotifyHandle2);
+ &ShellInfoObject.CtrlSNotifyHandle3);
}
KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED;
if (!EFI_ERROR(Status)) {
@@ -131,7 +215,7 @@ InternalEfiShellStartCtrlSMonitor(
SimpleEx,
&KeyData,
NotificationFunction,
- &ShellInfoObject.CtrlSNotifyHandle2);
+ &ShellInfoObject.CtrlSNotifyHandle4);
}
return (Status);
}
@@ -155,17 +239,11 @@ UefiMain (
IN EFI_SYSTEM_TABLE *SystemTable
)
{
- EFI_STATUS Status;
- CHAR16 *TempString;
- UINTN Size;
-// EFI_INPUT_KEY Key;
-
-// gST->ConOut->OutputString(gST->ConOut, L"ReadKeyStroke Calling\r\n");
-//
-// Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
-//
-// gST->ConOut->OutputString(gST->ConOut, L"ReadKeyStroke Done\r\n");
-// gBS->Stall (1000000);
+ EFI_STATUS Status;
+ CHAR16 *TempString;
+ UINTN Size;
+ EFI_HANDLE ConInHandle;
+ EFI_SIMPLE_TEXT_INPUT_PROTOCOL *OldConIn;
if (PcdGet8(PcdShellSupportLevel) > 3) {
return (EFI_UNSUPPORTED);
@@ -295,11 +373,28 @@ UefiMain (
0,
gST->ConOut->Mode->CursorRow,
NULL,
- STRING_TOKEN (STR_VER_OUTPUT_MAIN),
+ STRING_TOKEN (STR_VER_OUTPUT_MAIN_SHELL),
ShellInfoObject.HiiHandle,
SupportLevel[PcdGet8(PcdShellSupportLevel)],
gEfiShellProtocol->MajorVersion,
- gEfiShellProtocol->MinorVersion,
+ gEfiShellProtocol->MinorVersion
+ );
+
+ ShellPrintHiiEx (
+ -1,
+ -1,
+ NULL,
+ STRING_TOKEN (STR_VER_OUTPUT_MAIN_SUPPLIER),
+ ShellInfoObject.HiiHandle,
+ (CHAR16 *) PcdGetPtr (PcdShellSupplier)
+ );
+
+ ShellPrintHiiEx (
+ -1,
+ -1,
+ NULL,
+ STRING_TOKEN (STR_VER_OUTPUT_MAIN_UEFI),
+ ShellInfoObject.HiiHandle,
(gST->Hdr.Revision&0xffff0000)>>16,
(gST->Hdr.Revision&0x0000ffff),
gST->FirmwareVendor,
@@ -361,6 +456,18 @@ UefiMain (
Status = InternalEfiShellStartCtrlSMonitor();
}
+ if (!EFI_ERROR(Status) && ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {
+ //
+ // close off the gST->ConIn
+ //
+ OldConIn = gST->ConIn;
+ ConInHandle = gST->ConsoleInHandle;
+ gST->ConIn = CreateSimpleTextInOnFile((SHELL_FILE_HANDLE)&FileInterfaceNulFile, &gST->ConsoleInHandle);
+ } else {
+ OldConIn = NULL;
+ ConInHandle = NULL;
+ }
+
if (!EFI_ERROR(Status) && PcdGet8(PcdShellSupportLevel) >= 1) {
//
// process the startup script or launch the called app.
@@ -368,7 +475,7 @@ UefiMain (
Status = DoStartupScript(ShellInfoObject.ImageDevPath, ShellInfoObject.FileDevPath);
}
- if (!ShellCommandGetExit() && (PcdGet8(PcdShellSupportLevel) >= 3 || PcdGetBool(PcdShellForceConsole)) && !EFI_ERROR(Status) && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {
+ if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit && !ShellCommandGetExit() && (PcdGet8(PcdShellSupportLevel) >= 3 || PcdGetBool(PcdShellForceConsole)) && !EFI_ERROR(Status) && !ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {
//
// begin the UI waiting loop
//
@@ -399,6 +506,11 @@ UefiMain (
Status = DoShellPrompt();
} while (!ShellCommandGetExit());
}
+ if (OldConIn != NULL && ConInHandle != NULL) {
+ CloseSimpleTextInOnFile (gST->ConIn);
+ gST->ConIn = OldConIn;
+ gST->ConsoleInHandle = ConInHandle;
+ }
}
}
@@ -423,7 +535,7 @@ UefiMain (
}
if (ShellInfoObject.NewEfiShellProtocol != NULL){
if (ShellInfoObject.NewEfiShellProtocol->IsRootShell()){
- ShellInfoObject.NewEfiShellProtocol->SetEnv(L"cwd", L"", TRUE);
+ InternalEfiShellSetEnv(L"cwd", NULL, TRUE);
}
CleanUpShellProtocol(ShellInfoObject.NewEfiShellProtocol);
DEBUG_CODE(ShellInfoObject.NewEfiShellProtocol = NULL;);
@@ -463,6 +575,9 @@ UefiMain (
DEBUG_CODE(ShellInfoObject.ConsoleInfo = NULL;);
}
+ if (ShellCommandGetExit()) {
+ return ((EFI_STATUS)ShellCommandGetExitCode());
+ }
return (Status);
}
@@ -548,16 +663,14 @@ IsScriptOnlyCommand(
return (FALSE);
}
-
-
/**
This function will populate the 2 device path protocol parameters based on the
global gImageHandle. The DevPath will point to the device path for the handle that has
loaded image protocol installed on it. The FilePath will point to the device path
for the file that was loaded.
- @param[in,out] DevPath On a sucessful return the device path to the loaded image.
- @param[in,out] FilePath On a sucessful return the device path to the file.
+ @param[in, out] DevPath On a sucessful return the device path to the loaded image.
+ @param[in, out] FilePath On a sucessful return the device path to the file.
@retval EFI_SUCCESS The 2 device paths were sucessfully returned.
@retval other A error from gBS->HandleProtocol.
@@ -598,6 +711,11 @@ GetDevicePathsForImageAndFile (
if (!EFI_ERROR (Status)) {
*DevPath = DuplicateDevicePath (ImageDevicePath);
*FilePath = DuplicateDevicePath (LoadedImage->FilePath);
+ gBS->CloseProtocol(
+ LoadedImage->DeviceHandle,
+ &gEfiDevicePathProtocolGuid,
+ gImageHandle,
+ NULL);
}
gBS->CloseProtocol(
gImageHandle,
@@ -618,8 +736,10 @@ STATIC CONST SHELL_PARAM_ITEM mShellParamList[] = {
{L"-noversion", TypeFlag},
{L"-startup", TypeFlag},
{L"-delay", TypeValue},
+ {L"-_exit", TypeFlag},
{NULL, TypeMax}
};
+
/**
Process all Uefi Shell 2.0 command line options.
@@ -724,6 +844,7 @@ ProcessCommandLine(
ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoMap = ShellCommandLineGetFlag(Package, L"-nomap");
ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoVersion = ShellCommandLineGetFlag(Package, L"-noversion");
ShellInfoObject.ShellInitSettings.BitUnion.Bits.Delay = ShellCommandLineGetFlag(Package, L"-delay");
+ ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit = ShellCommandLineGetFlag(Package, L"-_exit");
ShellInfoObject.ShellInitSettings.Delay = 5;
@@ -808,20 +929,22 @@ DoStartupScript(
return (EFI_SUCCESS);
}
+ gST->ConOut->EnableCursor(gST->ConOut, FALSE);
//
// print out our warning and see if they press a key
//
- for ( Status = EFI_UNSUPPORTED, Delay = ShellInfoObject.ShellInitSettings.Delay * 10
+ for ( Status = EFI_UNSUPPORTED, Delay = ShellInfoObject.ShellInitSettings.Delay
; Delay != 0 && EFI_ERROR(Status)
; Delay--
){
- ShellPrintHiiEx(0, gST->ConOut->Mode->CursorRow, NULL, STRING_TOKEN (STR_SHELL_STARTUP_QUESTION), ShellInfoObject.HiiHandle, Delay/10);
- gBS->Stall (100000);
+ ShellPrintHiiEx(0, gST->ConOut->Mode->CursorRow, NULL, STRING_TOKEN (STR_SHELL_STARTUP_QUESTION), ShellInfoObject.HiiHandle, Delay);
+ gBS->Stall (1000000);
if (!ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {
Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
}
}
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_CRLF), ShellInfoObject.HiiHandle);
+ gST->ConOut->EnableCursor(gST->ConOut, TRUE);
//
// ESC was pressed
@@ -838,15 +961,19 @@ DoStartupScript(
FileStringPath = NULL;
NewSize = 0;
FileStringPath = StrnCatGrow(&FileStringPath, &NewSize, MapName, 0);
- TempSpot = StrStr(FileStringPath, L";");
- if (TempSpot != NULL) {
- *TempSpot = CHAR_NULL;
+ if (FileStringPath == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ } else {
+ TempSpot = StrStr(FileStringPath, L";");
+ if (TempSpot != NULL) {
+ *TempSpot = CHAR_NULL;
+ }
+ FileStringPath = StrnCatGrow(&FileStringPath, &NewSize, ((FILEPATH_DEVICE_PATH*)FilePath)->PathName, 0);
+ PathRemoveLastItem(FileStringPath);
+ FileStringPath = StrnCatGrow(&FileStringPath, &NewSize, mStartupScript, 0);
+ Status = ShellInfoObject.NewEfiShellProtocol->OpenFileByName(FileStringPath, &FileHandle, EFI_FILE_MODE_READ);
+ FreePool(FileStringPath);
}
- FileStringPath = StrnCatGrow(&FileStringPath, &NewSize, ((FILEPATH_DEVICE_PATH*)FilePath)->PathName, 0);
- ChopLastSlash(FileStringPath);
- FileStringPath = StrnCatGrow(&FileStringPath, &NewSize, mStartupScript, 0);
- Status = ShellInfoObject.NewEfiShellProtocol->OpenFileByName(FileStringPath, &FileHandle, EFI_FILE_MODE_READ);
- FreePool(FileStringPath);
}
if (EFI_ERROR(Status)) {
NamePath = FileDevicePath (NULL, mStartupScript);
@@ -940,7 +1067,7 @@ DoShellPrompt (
if (!EFI_ERROR (Status)) {
CmdLine[BufferSize / sizeof (CHAR16)] = CHAR_NULL;
Status = RunCommand(CmdLine);
- }
+ }
//
// Done with this command
@@ -1000,10 +1127,10 @@ AddLineToCommandHistory(
Checks if a string is an alias for another command. If yes, then it replaces the alias name
with the correct command name.
- @param[in,out] CommandString Upon entry the potential alias. Upon return the
- command name if it was an alias. If it was not
- an alias it will be unchanged. This function may
- change the buffer to fit the command name.
+ @param[in, out] CommandString Upon entry the potential alias. Upon return the
+ command name if it was an alias. If it was not
+ an alias it will be unchanged. This function may
+ change the buffer to fit the command name.
@retval EFI_SUCCESS The name was changed.
@retval EFI_SUCCESS The name was not an alias.
@@ -1052,6 +1179,7 @@ ShellConvertVariables (
CHAR16 *NewCommandLine1;
CHAR16 *NewCommandLine2;
CHAR16 *Temp;
+ CHAR16 *Temp2;
UINTN ItemSize;
CHAR16 *ItemTemp;
SCRIPT_FILE *CurrentScriptFile;
@@ -1109,15 +1237,6 @@ ShellConvertVariables (
}
}
- //
- // Quick out if none were found...
- //
- if (NewSize == StrSize(OriginalCommandLine)) {
- ASSERT(Temp == NULL);
- Temp = StrnCatGrow(&Temp, NULL, OriginalCommandLine, 0);
- return (Temp);
- }
-
//
// now do the replacements...
//
@@ -1149,8 +1268,51 @@ ShellConvertVariables (
ShellCopySearchAndReplace(NewCommandLine1, NewCommandLine2, NewSize, AliasListNode->Alias, AliasListNode->CommandString, TRUE, FALSE);
StrCpy(NewCommandLine1, NewCommandLine2);
}
+
+ //
+ // Remove non-existant environment variables in scripts only
+ //
+ for (Temp = NewCommandLine1 ; Temp != NULL ; ) {
+ Temp = StrStr(Temp, L"%");
+ if (Temp == NULL) {
+ break;
+ }
+ while (*(Temp - 1) == L'^') {
+ Temp = StrStr(Temp + 1, L"%");
+ if (Temp == NULL) {
+ break;
+ }
+ }
+ if (Temp == NULL) {
+ break;
+ }
+
+ Temp2 = StrStr(Temp + 1, L"%");
+ if (Temp2 == NULL) {
+ break;
+ }
+ while (*(Temp2 - 1) == L'^') {
+ Temp2 = StrStr(Temp2 + 1, L"%");
+ if (Temp2 == NULL) {
+ break;
+ }
+ }
+ if (Temp2 == NULL) {
+ break;
+ }
+
+ Temp2++;
+ CopyMem(Temp, Temp2, StrSize(Temp2));
+ }
+
}
+ //
+ // Now cleanup any straggler intentionally ignored "%" characters
+ //
+ ShellCopySearchAndReplace(NewCommandLine1, NewCommandLine2, NewSize, L"^%", L"%", TRUE, FALSE);
+ StrCpy(NewCommandLine1, NewCommandLine2);
+
FreePool(NewCommandLine2);
FreePool(ItemTemp);
@@ -1196,7 +1358,16 @@ RunSplitCommand(
NextCommandLine = StrnCatGrow(&NextCommandLine, &Size1, StrStr(CmdLine, L"|")+1, 0);
OurCommandLine = StrnCatGrow(&OurCommandLine , &Size2, CmdLine , StrStr(CmdLine, L"|") - CmdLine);
- if (NextCommandLine[0] != CHAR_NULL &&
+
+ if (NextCommandLine == NULL || OurCommandLine == NULL) {
+ SHELL_FREE_NON_NULL(OurCommandLine);
+ SHELL_FREE_NON_NULL(NextCommandLine);
+ return (EFI_OUT_OF_RESOURCES);
+ } else if (StrStr(OurCommandLine, L"|") != NULL || Size1 == 0 || Size2 == 0) {
+ SHELL_FREE_NON_NULL(OurCommandLine);
+ SHELL_FREE_NON_NULL(NextCommandLine);
+ return (EFI_INVALID_PARAMETER);
+ } else if (NextCommandLine[0] != CHAR_NULL &&
NextCommandLine[0] == L'a' &&
NextCommandLine[1] == L' '
){
@@ -1217,7 +1388,6 @@ RunSplitCommand(
ASSERT(Split->SplitStdOut != NULL);
InsertHeadList(&ShellInfoObject.SplitList.Link, &Split->Link);
- ASSERT(StrStr(OurCommandLine, L"|") == NULL);
Status = RunCommand(OurCommandLine);
//
@@ -1260,289 +1430,822 @@ RunSplitCommand(
}
/**
- Function will process and run a command line.
-
- This will determine if the command line represents an internal shell
- command or dispatch an external application.
+ Take the original command line, substitute any variables, free
+ the original string, return the modified copy.
- @param[in] CmdLine The command line to parse.
+ @param[in] CmdLine pointer to the command line to update.
- @retval EFI_SUCCESS The command was completed.
- @retval EFI_ABORTED The command's operation was aborted.
+ @retval EFI_SUCCESS the function was successful.
+ @retval EFI_OUT_OF_RESOURCES a memory allocation failed.
**/
EFI_STATUS
EFIAPI
-RunCommand(
- IN CONST CHAR16 *CmdLine
+ShellSubstituteVariables(
+ IN CHAR16 **CmdLine
)
{
- EFI_STATUS Status;
- CHAR16 *CommandName;
- SHELL_STATUS ShellStatus;
- UINTN Argc;
- CHAR16 **Argv;
- BOOLEAN LastError;
- CHAR16 LeString[11];
- CHAR16 *PostAliasCmdLine;
- UINTN PostAliasSize;
- CHAR16 *PostVariableCmdLine;
- CHAR16 *CommandWithPath;
- CONST EFI_DEVICE_PATH_PROTOCOL *DevPath;
- CONST CHAR16 *TempLocation;
- CONST CHAR16 *TempLocation2;
- SHELL_FILE_HANDLE OriginalStdIn;
- SHELL_FILE_HANDLE OriginalStdOut;
- SHELL_FILE_HANDLE OriginalStdErr;
- SYSTEM_TABLE_INFO OriginalSystemTableInfo;
- CHAR16 *TempLocation3;
- UINTN Count;
- UINTN Count2;
- CHAR16 *CleanOriginal;
- SPLIT_LIST *Split;
-
- ASSERT(CmdLine != NULL);
- if (StrLen(CmdLine) == 0) {
- return (EFI_SUCCESS);
+ CHAR16 *NewCmdLine;
+ NewCmdLine = ShellConvertVariables(*CmdLine);
+ SHELL_FREE_NON_NULL(*CmdLine);
+ if (NewCmdLine == NULL) {
+ return (EFI_OUT_OF_RESOURCES);
}
+ *CmdLine = NewCmdLine;
+ return (EFI_SUCCESS);
+}
- CommandName = NULL;
- PostVariableCmdLine = NULL;
- PostAliasCmdLine = NULL;
- CommandWithPath = NULL;
- DevPath = NULL;
- Status = EFI_SUCCESS;
- CleanOriginal = NULL;
- Split = NULL;
+/**
+ Take the original command line, substitute any alias in the first group of space delimited characters, free
+ the original string, return the modified copy.
+
+ @param[in] CmdLine pointer to the command line to update.
+
+ @retval EFI_SUCCESS the function was successful.
+ @retval EFI_OUT_OF_RESOURCES a memory allocation failed.
+**/
+EFI_STATUS
+EFIAPI
+ShellSubstituteAliases(
+ IN CHAR16 **CmdLine
+ )
+{
+ CHAR16 *NewCmdLine;
+ CHAR16 *CommandName;
+ EFI_STATUS Status;
+ UINTN PostAliasSize;
+ ASSERT(CmdLine != NULL);
+ ASSERT(*CmdLine!= NULL);
- CleanOriginal = StrnCatGrow(&CleanOriginal, NULL, CmdLine, 0);
- while (CleanOriginal[StrLen(CleanOriginal)-1] == L' ') {
- CleanOriginal[StrLen(CleanOriginal)-1] = CHAR_NULL;
- }
- while (CleanOriginal[0] == L' ') {
- CopyMem(CleanOriginal, CleanOriginal+1, StrSize(CleanOriginal) - sizeof(CleanOriginal[0]));
- }
CommandName = NULL;
- if (StrStr(CleanOriginal, L" ") == NULL){
- StrnCatGrow(&CommandName, NULL, CleanOriginal, 0);
+ if (StrStr((*CmdLine), L" ") == NULL){
+ StrnCatGrow(&CommandName, NULL, (*CmdLine), 0);
} else {
- StrnCatGrow(&CommandName, NULL, CleanOriginal, StrStr(CleanOriginal, L" ") - CleanOriginal);
+ StrnCatGrow(&CommandName, NULL, (*CmdLine), StrStr((*CmdLine), L" ") - (*CmdLine));
}
- ASSERT(PostAliasCmdLine == NULL);
+ //
+ // This cannot happen 'inline' since the CmdLine can need extra space.
+ //
+ NewCmdLine = NULL;
if (!ShellCommandIsCommandOnList(CommandName)) {
//
// Convert via alias
//
Status = ShellConvertAlias(&CommandName);
+ if (EFI_ERROR(Status)){
+ return (Status);
+ }
PostAliasSize = 0;
- PostAliasCmdLine = StrnCatGrow(&PostAliasCmdLine, &PostAliasSize, CommandName, 0);
- PostAliasCmdLine = StrnCatGrow(&PostAliasCmdLine, &PostAliasSize, StrStr(CleanOriginal, L" "), 0);
- ASSERT_EFI_ERROR(Status);
+ NewCmdLine = StrnCatGrow(&NewCmdLine, &PostAliasSize, CommandName, 0);
+ if (NewCmdLine == NULL) {
+ SHELL_FREE_NON_NULL(CommandName);
+ SHELL_FREE_NON_NULL(*CmdLine);
+ return (EFI_OUT_OF_RESOURCES);
+ }
+ NewCmdLine = StrnCatGrow(&NewCmdLine, &PostAliasSize, StrStr((*CmdLine), L" "), 0);
+ if (NewCmdLine == NULL) {
+ SHELL_FREE_NON_NULL(CommandName);
+ SHELL_FREE_NON_NULL(*CmdLine);
+ return (EFI_OUT_OF_RESOURCES);
+ }
} else {
- PostAliasCmdLine = StrnCatGrow(&PostAliasCmdLine, NULL, CleanOriginal, 0);
+ NewCmdLine = StrnCatGrow(&NewCmdLine, NULL, (*CmdLine), 0);
}
- if (CleanOriginal != NULL) {
- FreePool(CleanOriginal);
- CleanOriginal = NULL;
- }
+ SHELL_FREE_NON_NULL(*CmdLine);
+ SHELL_FREE_NON_NULL(CommandName);
+
+ //
+ // re-assign the passed in double pointer to point to our newly allocated buffer
+ //
+ *CmdLine = NewCmdLine;
- if (CommandName != NULL) {
- FreePool(CommandName);
- CommandName = NULL;
- }
+ return (EFI_SUCCESS);
+}
+
+/**
+ Takes the Argv[0] part of the command line and determine the meaning of it.
- PostVariableCmdLine = ShellConvertVariables(PostAliasCmdLine);
+ @param[in] CmdName pointer to the command line to update.
+
+ @retval Internal_Command The name is an internal command.
+ @retval File_Sys_Change the name is a file system change.
+ @retval Script_File_Name the name is a NSH script file.
+ @retval Unknown_Invalid the name is unknown.
+ @retval Efi_Application the name is an application (.EFI).
+**/
+SHELL_OPERATION_TYPES
+EFIAPI
+GetOperationType(
+ IN CONST CHAR16 *CmdName
+ )
+{
+ CHAR16* FileWithPath;
+ CONST CHAR16* TempLocation;
+ CONST CHAR16* TempLocation2;
+ FileWithPath = NULL;
//
- // we can now free the modified by alias command line
+ // test for an internal command.
//
- if (PostAliasCmdLine != NULL) {
- FreePool(PostAliasCmdLine);
- PostAliasCmdLine = NULL;
- }
-
- if (PostVariableCmdLine == NULL) {
- return (EFI_OUT_OF_RESOURCES);
- }
-
- while (PostVariableCmdLine[StrLen(PostVariableCmdLine)-1] == L' ') {
- PostVariableCmdLine[StrLen(PostVariableCmdLine)-1] = CHAR_NULL;
- }
- while (PostVariableCmdLine[0] == L' ') {
- CopyMem(PostVariableCmdLine, PostVariableCmdLine+1, StrSize(PostVariableCmdLine) - sizeof(PostVariableCmdLine[0]));
+ if (ShellCommandIsCommandOnList(CmdName)) {
+ return (Internal_Command);
}
//
- // We dont do normal processing with a split command line (output from one command input to another)
+ // Test for file system change request. anything ending with : and cant have spaces.
//
- TempLocation3 = NULL;
- if (StrStr(PostVariableCmdLine, L"|") != NULL) {
- for (TempLocation3 = PostVariableCmdLine ; TempLocation3 != NULL && *TempLocation3 != CHAR_NULL ; TempLocation3++) {
- if (*TempLocation3 == L'^' && *(TempLocation3+1) == L'|') {
- TempLocation3++;
- } else if (*TempLocation3 == L'|') {
- break;
- }
+ if (CmdName[(StrLen(CmdName)-1)] == L':') {
+ if (StrStr(CmdName, L" ") != NULL) {
+ return (Unknown_Invalid);
}
+ return (File_Sys_Change);
}
- if (TempLocation3 != NULL && *TempLocation3 != CHAR_NULL) {
+
+ //
+ // Test for a file
+ //
+ if ((FileWithPath = ShellFindFilePathEx(CmdName, mExecutableExtensions)) != NULL) {
//
- // are we in an existing split???
+ // See if that file has a script file extension
//
- if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {
- Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);
- }
-
- if (Split == NULL) {
- Status = RunSplitCommand(PostVariableCmdLine, NULL, NULL);
- } else {
- Status = RunSplitCommand(PostVariableCmdLine, Split->SplitStdIn, Split->SplitStdOut);
+ if (StrLen(FileWithPath) > 4) {
+ TempLocation = FileWithPath+StrLen(FileWithPath)-4;
+ TempLocation2 = mScriptExtension;
+ if (StringNoCaseCompare((VOID*)(&TempLocation), (VOID*)(&TempLocation2)) == 0) {
+ SHELL_FREE_NON_NULL(FileWithPath);
+ return (Script_File_Name);
+ }
}
- } else {
//
- // If this is a mapped drive change handle that...
+ // Was a file, but not a script. we treat this as an application.
//
- if (PostVariableCmdLine[(StrLen(PostVariableCmdLine)-1)] == L':' && StrStr(PostVariableCmdLine, L" ") == NULL) {
- Status = ShellInfoObject.NewEfiShellProtocol->SetCurDir(NULL, PostVariableCmdLine);
- if (EFI_ERROR(Status)) {
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_MAPPING), ShellInfoObject.HiiHandle, PostVariableCmdLine);
- }
- FreePool(PostVariableCmdLine);
- return (Status);
- }
+ SHELL_FREE_NON_NULL(FileWithPath);
+ return (Efi_Application);
+ }
+
+ SHELL_FREE_NON_NULL(FileWithPath);
+ //
+ // No clue what this is... return invalid flag...
+ //
+ return (Unknown_Invalid);
+}
- ///@todo update this section to divide into 3 ways - run internal command, run split (above), and run an external file...
- /// We waste a lot of time doing processing like StdIn,StdOut,Argv,Argc for things that are external files...
+/**
+ Determine if the first item in a command line is valid.
+ @param[in] CmdLine The command line to parse.
+ @retval EFI_SUCCESS The item is valid.
+ @retval EFI_OUT_OF_RESOURCES A memory allocation failed.
+ @retval EFI_NOT_FOUND The operation type is unknown or invalid.
+**/
+EFI_STATUS
+EFIAPI
+IsValidSplit(
+ IN CONST CHAR16 *CmdLine
+ )
+{
+ CHAR16 *Temp;
+ CHAR16 *FirstParameter;
+ CHAR16 *TempWalker;
+ EFI_STATUS Status;
- Status = UpdateStdInStdOutStdErr(ShellInfoObject.NewShellParametersProtocol, PostVariableCmdLine, &OriginalStdIn, &OriginalStdOut, &OriginalStdErr, &OriginalSystemTableInfo);
- if (EFI_ERROR(Status)) {
- if (Status == EFI_NOT_FOUND) {
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_REDUNDA_REDIR), ShellInfoObject.HiiHandle);
- } else {
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_REDIR), ShellInfoObject.HiiHandle);
- }
- } else {
- while (PostVariableCmdLine[StrLen(PostVariableCmdLine)-1] == L' ') {
- PostVariableCmdLine[StrLen(PostVariableCmdLine)-1] = CHAR_NULL;
- }
- while (PostVariableCmdLine[0] == L' ') {
- CopyMem(PostVariableCmdLine, PostVariableCmdLine+1, StrSize(PostVariableCmdLine) - sizeof(PostVariableCmdLine[0]));
- }
+ Temp = NULL;
- //
- // get the argc and argv updated for internal commands
- //
- Status = UpdateArgcArgv(ShellInfoObject.NewShellParametersProtocol, PostVariableCmdLine, &Argv, &Argc);
- ASSERT_EFI_ERROR(Status);
+ Temp = StrnCatGrow(&Temp, NULL, CmdLine, 0);
+ if (Temp == NULL) {
+ return (EFI_OUT_OF_RESOURCES);
+ }
- for (Count = 0 ; Count < ShellInfoObject.NewShellParametersProtocol->Argc ; Count++) {
- if (StrStr(ShellInfoObject.NewShellParametersProtocol->Argv[Count], L"-?") == ShellInfoObject.NewShellParametersProtocol->Argv[Count]
- || (ShellInfoObject.NewShellParametersProtocol->Argv[0][0] == L'?' && ShellInfoObject.NewShellParametersProtocol->Argv[0][1] == CHAR_NULL)
- ) {
- //
- // We need to redo the arguments since a parameter was -?
- // move them all down 1 to the end, then up one then replace the first with help
- //
- FreePool(ShellInfoObject.NewShellParametersProtocol->Argv[Count]);
- ShellInfoObject.NewShellParametersProtocol->Argv[Count] = NULL;
- for (Count2 = Count ; (Count2 + 1) < ShellInfoObject.NewShellParametersProtocol->Argc ; Count2++) {
- ShellInfoObject.NewShellParametersProtocol->Argv[Count2] = ShellInfoObject.NewShellParametersProtocol->Argv[Count2+1];
- }
- ShellInfoObject.NewShellParametersProtocol->Argv[Count2] = NULL;
- for (Count2 = ShellInfoObject.NewShellParametersProtocol->Argc -1 ; Count2 > 0 ; Count2--) {
- ShellInfoObject.NewShellParametersProtocol->Argv[Count2] = ShellInfoObject.NewShellParametersProtocol->Argv[Count2-1];
- }
- ShellInfoObject.NewShellParametersProtocol->Argv[0] = NULL;
- ShellInfoObject.NewShellParametersProtocol->Argv[0] = StrnCatGrow(&ShellInfoObject.NewShellParametersProtocol->Argv[0], NULL, L"help", 0);
- break;
- }
- }
+ FirstParameter = StrStr(Temp, L"|");
+ if (FirstParameter != NULL) {
+ *FirstParameter = CHAR_NULL;
+ }
- //
- // command or file?
- //
- if (ShellCommandIsCommandOnList(ShellInfoObject.NewShellParametersProtocol->Argv[0])) {
- //
- // Run the command (which was converted if it was an alias)
- //
- if (!EFI_ERROR(Status)) {
- Status = ShellCommandRunCommandHandler(ShellInfoObject.NewShellParametersProtocol->Argv[0], &ShellStatus, &LastError);
- ASSERT_EFI_ERROR(Status);
- UnicodeSPrint(LeString, sizeof(LeString)*sizeof(LeString[0]), L"0x%08x", ShellStatus);
- DEBUG_CODE(InternalEfiShellSetEnv(L"DebugLasterror", LeString, TRUE););
- if (LastError) {
- InternalEfiShellSetEnv(L"Lasterror", LeString, TRUE);
- }
- //
- // Pass thru the exitcode from the app.
- //
- if (ShellCommandGetExit()) {
- Status = ShellStatus;
- } else if (ShellStatus != 0 && IsScriptOnlyCommand(ShellInfoObject.NewShellParametersProtocol->Argv[0])) {
- Status = EFI_ABORTED;
- }
- }
- } else {
- //
- // run an external file (or script)
- //
- if (StrStr(ShellInfoObject.NewShellParametersProtocol->Argv[0], L":") != NULL) {
- ASSERT (CommandWithPath == NULL);
- if (ShellIsFile(ShellInfoObject.NewShellParametersProtocol->Argv[0]) == EFI_SUCCESS) {
- CommandWithPath = StrnCatGrow(&CommandWithPath, NULL, ShellInfoObject.NewShellParametersProtocol->Argv[0], 0);
- }
- }
- if (CommandWithPath == NULL) {
- CommandWithPath = ShellFindFilePathEx(ShellInfoObject.NewShellParametersProtocol->Argv[0], mExecutableExtensions);
- }
- if (CommandWithPath == NULL || ShellIsDirectory(CommandWithPath) == EFI_SUCCESS) {
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_NOT_FOUND), ShellInfoObject.HiiHandle, ShellInfoObject.NewShellParametersProtocol->Argv[0]);
- } else {
- //
- // Check if it's a NSH (script) file.
- //
- TempLocation = CommandWithPath+StrLen(CommandWithPath)-4;
- TempLocation2 = mScriptExtension;
- if ((StrLen(CommandWithPath) > 4) && (StringNoCaseCompare((VOID*)(&TempLocation), (VOID*)(&TempLocation2)) == 0)) {
- Status = RunScriptFile (CommandWithPath);
- } else {
- DevPath = ShellInfoObject.NewEfiShellProtocol->GetDevicePathFromFilePath(CommandWithPath);
- ASSERT(DevPath != NULL);
- Status = InternalShellExecuteDevicePath(
- &gImageHandle,
- DevPath,
- PostVariableCmdLine,
- NULL,
- NULL
- );
- }
- }
- }
- CommandName = StrnCatGrow(&CommandName, NULL, ShellInfoObject.NewShellParametersProtocol->Argv[0], 0);
+ FirstParameter = NULL;
- RestoreArgcArgv(ShellInfoObject.NewShellParametersProtocol, &Argv, &Argc);
+ //
+ // Process the command line
+ //
+ Status = ProcessCommandLineToFinal(&Temp);
- RestoreStdInStdOutStdErr(ShellInfoObject.NewShellParametersProtocol, &OriginalStdIn, &OriginalStdOut, &OriginalStdErr, &OriginalSystemTableInfo);
+ if (!EFI_ERROR(Status)) {
+ FirstParameter = AllocateZeroPool(StrSize(CmdLine));
+ if (FirstParameter == NULL) {
+ SHELL_FREE_NON_NULL(Temp);
+ return (EFI_OUT_OF_RESOURCES);
}
- if (CommandName != NULL) {
- if (ShellCommandGetCurrentScriptFile() != NULL && !IsScriptOnlyCommand(CommandName)) {
+ TempWalker = (CHAR16*)Temp;
+ GetNextParameter(&TempWalker, &FirstParameter);
+
+ if (GetOperationType(FirstParameter) == Unknown_Invalid) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_NOT_FOUND), ShellInfoObject.HiiHandle, FirstParameter);
+ SetLastError(SHELL_NOT_FOUND);
+ Status = EFI_NOT_FOUND;
+ }
+ }
+
+ SHELL_FREE_NON_NULL(Temp);
+ SHELL_FREE_NON_NULL(FirstParameter);
+ return Status;
+}
+
+/**
+ Determine if a command line contains with a split contains only valid commands.
+
+ @param[in] CmdLine The command line to parse.
+
+ @retval EFI_SUCCESS CmdLine has only valid commands, application, or has no split.
+ @retval EFI_ABORTED CmdLine has at least one invalid command or application.
+**/
+EFI_STATUS
+EFIAPI
+VerifySplit(
+ IN CONST CHAR16 *CmdLine
+ )
+{
+ CONST CHAR16 *TempSpot;
+ EFI_STATUS Status;
+
+ //
+ // Verify up to the pipe or end character
+ //
+ Status = IsValidSplit(CmdLine);
+ if (EFI_ERROR(Status)) {
+ return (Status);
+ }
+
+ //
+ // If this was the only item, then get out
+ //
+ if (!ContainsSplit(CmdLine)) {
+ return (EFI_SUCCESS);
+ }
+
+ //
+ // recurse to verify the next item
+ //
+ TempSpot = FindSplit(CmdLine)+1;
+ return (VerifySplit(TempSpot));
+}
+
+/**
+ Process a split based operation.
+
+ @param[in] CmdLine pointer to the command line to process
+
+ @retval EFI_SUCCESS The operation was successful
+ @return an error occured.
+**/
+EFI_STATUS
+EFIAPI
+ProcessNewSplitCommandLine(
+ IN CONST CHAR16 *CmdLine
+ )
+{
+ SPLIT_LIST *Split;
+ EFI_STATUS Status;
+
+ Status = VerifySplit(CmdLine);
+ if (EFI_ERROR(Status)) {
+ return (Status);
+ }
+
+ Split = NULL;
+
+ //
+ // are we in an existing split???
+ //
+ if (!IsListEmpty(&ShellInfoObject.SplitList.Link)) {
+ Split = (SPLIT_LIST*)GetFirstNode(&ShellInfoObject.SplitList.Link);
+ }
+
+ if (Split == NULL) {
+ Status = RunSplitCommand(CmdLine, NULL, NULL);
+ } else {
+ Status = RunSplitCommand(CmdLine, Split->SplitStdIn, Split->SplitStdOut);
+ }
+ if (EFI_ERROR(Status)) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_SPLIT), ShellInfoObject.HiiHandle, CmdLine);
+ }
+ return (Status);
+}
+
+/**
+ Handle a request to change the current file system.
+
+ @param[in] CmdLine The passed in command line.
+
+ @retval EFI_SUCCESS The operation was successful.
+**/
+EFI_STATUS
+EFIAPI
+ChangeMappedDrive(
+ IN CONST CHAR16 *CmdLine
+ )
+{
+ EFI_STATUS Status;
+ Status = EFI_SUCCESS;
+
+ //
+ // make sure we are the right operation
+ //
+ ASSERT(CmdLine[(StrLen(CmdLine)-1)] == L':' && StrStr(CmdLine, L" ") == NULL);
+
+ //
+ // Call the protocol API to do the work
+ //
+ Status = ShellInfoObject.NewEfiShellProtocol->SetCurDir(NULL, CmdLine);
+
+ //
+ // Report any errors
+ //
+ if (EFI_ERROR(Status)) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_INVALID_MAPPING), ShellInfoObject.HiiHandle, CmdLine);
+ }
+
+ return (Status);
+}
+
+/**
+ Reprocess the command line to direct all -? to the help command.
+
+ if found, will add "help" as argv[0], and move the rest later.
+
+ @param[in,out] CmdLine pointer to the command line to update
+**/
+EFI_STATUS
+EFIAPI
+DoHelpUpdate(
+ IN OUT CHAR16 **CmdLine
+ )
+{
+ CHAR16 *CurrentParameter;
+ CHAR16 *Walker;
+ CHAR16 *LastWalker;
+ CHAR16 *NewCommandLine;
+ EFI_STATUS Status;
+
+ Status = EFI_SUCCESS;
+
+ CurrentParameter = AllocateZeroPool(StrSize(*CmdLine));
+ if (CurrentParameter == NULL) {
+ return (EFI_OUT_OF_RESOURCES);
+ }
+
+ Walker = *CmdLine;
+ while(Walker != NULL && *Walker != CHAR_NULL) {
+ LastWalker = Walker;
+ GetNextParameter(&Walker, &CurrentParameter);
+ if (StrStr(CurrentParameter, L"-?") == CurrentParameter) {
+ LastWalker[0] = L' ';
+ LastWalker[1] = L' ';
+ NewCommandLine = AllocateZeroPool(StrSize(L"help ") + StrSize(*CmdLine));
+ if (NewCommandLine == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ break;
+ }
+ StrCpy(NewCommandLine, L"help ");
+ StrCat(NewCommandLine, *CmdLine);
+ SHELL_FREE_NON_NULL(*CmdLine);
+ *CmdLine = NewCommandLine;
+ break;
+ }
+ }
+
+ SHELL_FREE_NON_NULL(CurrentParameter);
+
+ return (Status);
+}
+
+/**
+ Function to update the shell variable "lasterror".
+
+ @param[in] ErrorCode the error code to put into lasterror.
+**/
+EFI_STATUS
+EFIAPI
+SetLastError(
+ IN CONST SHELL_STATUS ErrorCode
+ )
+{
+ CHAR16 LeString[19];
+ if (sizeof(EFI_STATUS) == sizeof(UINT64)) {
+ UnicodeSPrint(LeString, sizeof(LeString), L"0x%Lx", ErrorCode);
+ } else {
+ UnicodeSPrint(LeString, sizeof(LeString), L"0x%x", ErrorCode);
+ }
+ DEBUG_CODE(InternalEfiShellSetEnv(L"debuglasterror", LeString, TRUE););
+ InternalEfiShellSetEnv(L"lasterror", LeString, TRUE);
+
+ return (EFI_SUCCESS);
+}
+
+/**
+ Converts the command line to it's post-processed form. this replaces variables and alias' per UEFI Shell spec.
+
+ @param[in,out] CmdLine pointer to the command line to update
+
+ @retval EFI_SUCCESS The operation was successful
+ @retval EFI_OUT_OF_RESOURCES A memory allocation failed.
+ @return some other error occured
+**/
+EFI_STATUS
+EFIAPI
+ProcessCommandLineToFinal(
+ IN OUT CHAR16 **CmdLine
+ )
+{
+ EFI_STATUS Status;
+ TrimSpaces(CmdLine);
+
+ Status = ShellSubstituteAliases(CmdLine);
+ if (EFI_ERROR(Status)) {
+ return (Status);
+ }
+
+ TrimSpaces(CmdLine);
+
+ Status = ShellSubstituteVariables(CmdLine);
+ if (EFI_ERROR(Status)) {
+ return (Status);
+ }
+
+ TrimSpaces(CmdLine);
+
+ //
+ // update for help parsing
+ //
+ if (StrStr(*CmdLine, L"?") != NULL) {
+ //
+ // This may do nothing if the ? does not indicate help.
+ // Save all the details for in the API below.
+ //
+ Status = DoHelpUpdate(CmdLine);
+ }
+
+ TrimSpaces(CmdLine);
+
+ return (EFI_SUCCESS);
+}
+
+/**
+ Run an internal shell command.
+
+ This API will upadate the shell's environment since these commands are libraries.
+
+ @param[in] CmdLine the command line to run.
+ @param[in] FirstParameter the first parameter on the command line
+ @param[in] ParamProtocol the shell parameters protocol pointer
+
+ @retval EFI_SUCCESS The command was completed.
+ @retval EFI_ABORTED The command's operation was aborted.
+**/
+EFI_STATUS
+EFIAPI
+RunInternalCommand(
+ IN CONST CHAR16 *CmdLine,
+ IN CHAR16 *FirstParameter,
+ IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol
+)
+{
+ EFI_STATUS Status;
+ UINTN Argc;
+ CHAR16 **Argv;
+ SHELL_STATUS CommandReturnedStatus;
+ BOOLEAN LastError;
+
+ //
+ // get the argc and argv updated for internal commands
+ //
+ Status = UpdateArgcArgv(ParamProtocol, CmdLine, &Argv, &Argc);
+ if (!EFI_ERROR(Status)) {
+ //
+ // Run the internal command.
+ //
+ Status = ShellCommandRunCommandHandler(FirstParameter, &CommandReturnedStatus, &LastError);
+
+ if (!EFI_ERROR(Status)) {
+ //
+ // Update last error status.
+ // some commands do not update last error.
+ //
+ if (LastError) {
+ SetLastError(CommandReturnedStatus);
+ }
+
+ //
+ // Pass thru the exitcode from the app.
+ //
+ if (ShellCommandGetExit()) {
+ //
+ // An Exit was requested ("exit" command), pass its value up.
+ //
+ Status = CommandReturnedStatus;
+ } else if (CommandReturnedStatus != SHELL_SUCCESS && IsScriptOnlyCommand(FirstParameter)) {
+ //
+ // Always abort when a script only command fails for any reason
//
- // if this is NOT a scipt only command return success so the script won't quit.
- // prevent killing the script - this is the only place where we know the actual command name (after alias and variable replacement...)
+ Status = EFI_ABORTED;
+ } else if (ShellCommandGetCurrentScriptFile() != NULL && CommandReturnedStatus == SHELL_ABORTED) {
//
- Status = EFI_SUCCESS;
+ // Abort when in a script and a command aborted
+ //
+ Status = EFI_ABORTED;
}
}
}
- SHELL_FREE_NON_NULL(CommandName);
+ //
+ // This is guarenteed to be called after UpdateArgcArgv no matter what else happened.
+ // This is safe even if the update API failed. In this case, it may be a no-op.
+ //
+ RestoreArgcArgv(ParamProtocol, &Argv, &Argc);
+
+ //
+ // If a script is running and the command is not a scipt only command, then
+ // change return value to success so the script won't halt (unless aborted).
+ //
+ // Script only commands have to be able halt the script since the script will
+ // not operate if they are failing.
+ //
+ if ( ShellCommandGetCurrentScriptFile() != NULL
+ && !IsScriptOnlyCommand(FirstParameter)
+ && Status != EFI_ABORTED
+ ) {
+ Status = EFI_SUCCESS;
+ }
+
+ return (Status);
+}
+
+/**
+ Function to run the command or file.
+
+ @param[in] Type the type of operation being run.
+ @param[in] CmdLine the command line to run.
+ @param[in] FirstParameter the first parameter on the command line
+ @param[in] ParamProtocol the shell parameters protocol pointer
+
+ @retval EFI_SUCCESS The command was completed.
+ @retval EFI_ABORTED The command's operation was aborted.
+**/
+EFI_STATUS
+EFIAPI
+RunCommandOrFile(
+ IN SHELL_OPERATION_TYPES Type,
+ IN CONST CHAR16 *CmdLine,
+ IN CHAR16 *FirstParameter,
+ IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol
+)
+{
+ EFI_STATUS Status;
+ EFI_STATUS StatusCode;
+ CHAR16 *CommandWithPath;
+ EFI_DEVICE_PATH_PROTOCOL *DevPath;
+
+ Status = EFI_SUCCESS;
+ CommandWithPath = NULL;
+ DevPath = NULL;
+
+ switch (Type) {
+ case Internal_Command:
+ Status = RunInternalCommand(CmdLine, FirstParameter, ParamProtocol);
+ break;
+ case Script_File_Name:
+ case Efi_Application:
+ //
+ // Process a fully qualified path
+ //
+ if (StrStr(FirstParameter, L":") != NULL) {
+ ASSERT (CommandWithPath == NULL);
+ if (ShellIsFile(FirstParameter) == EFI_SUCCESS) {
+ CommandWithPath = StrnCatGrow(&CommandWithPath, NULL, FirstParameter, 0);
+ }
+ }
+
+ //
+ // Process a relative path and also check in the path environment variable
+ //
+ if (CommandWithPath == NULL) {
+ CommandWithPath = ShellFindFilePathEx(FirstParameter, mExecutableExtensions);
+ }
+
+ //
+ // This should be impossible now.
+ //
+ ASSERT(CommandWithPath != NULL);
+
+ //
+ // Make sure that path is not just a directory (or not found)
+ //
+ if (!EFI_ERROR(ShellIsDirectory(CommandWithPath))) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_NOT_FOUND), ShellInfoObject.HiiHandle, FirstParameter);
+ SetLastError(SHELL_NOT_FOUND);
+ }
+ switch (Type) {
+ case Script_File_Name:
+ Status = RunScriptFile (CommandWithPath);
+ break;
+ case Efi_Application:
+ //
+ // Get the device path of the application image
+ //
+ DevPath = ShellInfoObject.NewEfiShellProtocol->GetDevicePathFromFilePath(CommandWithPath);
+ if (DevPath == NULL){
+ Status = EFI_OUT_OF_RESOURCES;
+ break;
+ }
+
+ //
+ // Execute the device path
+ //
+ Status = InternalShellExecuteDevicePath(
+ &gImageHandle,
+ DevPath,
+ CmdLine,
+ NULL,
+ &StatusCode
+ );
+
+ SHELL_FREE_NON_NULL(DevPath);
+
+ //
+ // Update last error status.
+ //
+ SetLastError((SHELL_STATUS) StatusCode);
+ break;
+ default:
+ //
+ // Do nothing.
+ //
+ break;
+ }
+ break;
+ default:
+ //
+ // Do nothing.
+ //
+ break;
+ }
+
SHELL_FREE_NON_NULL(CommandWithPath);
- SHELL_FREE_NON_NULL(PostVariableCmdLine);
+
+ return (Status);
+}
+
+/**
+ Function to setup StdIn, StdErr, StdOut, and then run the command or file.
+
+ @param[in] Type the type of operation being run.
+ @param[in] CmdLine the command line to run.
+ @param[in] FirstParameter the first parameter on the command line.
+ @param[in] ParamProtocol the shell parameters protocol pointer
+
+ @retval EFI_SUCCESS The command was completed.
+ @retval EFI_ABORTED The command's operation was aborted.
+**/
+EFI_STATUS
+EFIAPI
+SetupAndRunCommandOrFile(
+ IN SHELL_OPERATION_TYPES Type,
+ IN CHAR16 *CmdLine,
+ IN CHAR16 *FirstParameter,
+ IN EFI_SHELL_PARAMETERS_PROTOCOL *ParamProtocol
+)
+{
+ EFI_STATUS Status;
+ SHELL_FILE_HANDLE OriginalStdIn;
+ SHELL_FILE_HANDLE OriginalStdOut;
+ SHELL_FILE_HANDLE OriginalStdErr;
+ SYSTEM_TABLE_INFO OriginalSystemTableInfo;
+
+ //
+ // Update the StdIn, StdOut, and StdErr for redirection to environment variables, files, etc... unicode and ASCII
+ //
+ Status = UpdateStdInStdOutStdErr(ParamProtocol, CmdLine, &OriginalStdIn, &OriginalStdOut, &OriginalStdErr, &OriginalSystemTableInfo);
+
+ //
+ // The StdIn, StdOut, and StdErr are set up.
+ // Now run the command, script, or application
+ //
+ if (!EFI_ERROR(Status)) {
+ Status = RunCommandOrFile(Type, CmdLine, FirstParameter, ParamProtocol);
+ }
+
+ //
+ // Now print errors
+ //
+ if (EFI_ERROR(Status)) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_ERROR), ShellInfoObject.HiiHandle, (VOID*)(Status));
+ }
+
+ //
+ // put back the original StdIn, StdOut, and StdErr
+ //
+ RestoreStdInStdOutStdErr(ParamProtocol, &OriginalStdIn, &OriginalStdOut, &OriginalStdErr, &OriginalSystemTableInfo);
+
+ return (Status);
+}
+
+/**
+ Function will process and run a command line.
+
+ This will determine if the command line represents an internal shell
+ command or dispatch an external application.
+
+ @param[in] CmdLine The command line to parse.
+
+ @retval EFI_SUCCESS The command was completed.
+ @retval EFI_ABORTED The command's operation was aborted.
+**/
+EFI_STATUS
+EFIAPI
+RunCommand(
+ IN CONST CHAR16 *CmdLine
+ )
+{
+ EFI_STATUS Status;
+ CHAR16 *CleanOriginal;
+ CHAR16 *FirstParameter;
+ CHAR16 *TempWalker;
+ SHELL_OPERATION_TYPES Type;
+
+ ASSERT(CmdLine != NULL);
+ if (StrLen(CmdLine) == 0) {
+ return (EFI_SUCCESS);
+ }
+
+ Status = EFI_SUCCESS;
+ CleanOriginal = NULL;
+
+ CleanOriginal = StrnCatGrow(&CleanOriginal, NULL, CmdLine, 0);
+ if (CleanOriginal == NULL) {
+ return (EFI_OUT_OF_RESOURCES);
+ }
+
+ TrimSpaces(&CleanOriginal);
+
+ //
+ // Handle case that passed in command line is just 1 or more " " characters.
+ //
+ if (StrLen (CleanOriginal) == 0) {
+ SHELL_FREE_NON_NULL(CleanOriginal);
+ return (EFI_SUCCESS);
+ }
+
+ Status = ProcessCommandLineToFinal(&CleanOriginal);
+ if (EFI_ERROR(Status)) {
+ SHELL_FREE_NON_NULL(CleanOriginal);
+ return (Status);
+ }
+
+ //
+ // We dont do normal processing with a split command line (output from one command input to another)
+ //
+ if (ContainsSplit(CleanOriginal)) {
+ Status = ProcessNewSplitCommandLine(CleanOriginal);
+ SHELL_FREE_NON_NULL(CleanOriginal);
+ return (Status);
+ }
+
+ //
+ // We need the first parameter information so we can determine the operation type
+ //
+ FirstParameter = AllocateZeroPool(StrSize(CleanOriginal));
+ if (FirstParameter == NULL) {
+ SHELL_FREE_NON_NULL(CleanOriginal);
+ return (EFI_OUT_OF_RESOURCES);
+ }
+ TempWalker = CleanOriginal;
+ GetNextParameter(&TempWalker, &FirstParameter);
+
+ //
+ // Depending on the first parameter we change the behavior
+ //
+ switch (Type = GetOperationType(FirstParameter)) {
+ case File_Sys_Change:
+ Status = ChangeMappedDrive(CleanOriginal);
+ break;
+ case Internal_Command:
+ case Script_File_Name:
+ case Efi_Application:
+ Status = SetupAndRunCommandOrFile(Type, CleanOriginal, FirstParameter, ShellInfoObject.NewShellParametersProtocol);
+ break;
+ default:
+ //
+ // Whatever was typed, it was invalid.
+ //
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_NOT_FOUND), ShellInfoObject.HiiHandle, FirstParameter);
+ SetLastError(SHELL_NOT_FOUND);
+ break;
+ }
+
+ SHELL_FREE_NON_NULL(CleanOriginal);
+ SHELL_FREE_NON_NULL(FirstParameter);
return (Status);
}
@@ -1603,8 +2306,10 @@ RunScriptFileHandle (
SCRIPT_COMMAND_LIST *LastCommand;
BOOLEAN Ascii;
BOOLEAN PreScriptEchoState;
+ BOOLEAN PreCommandEchoState;
CONST CHAR16 *CurDir;
UINTN LineCount;
+ CHAR16 LeString[50];
ASSERT(!ShellCommandGetScriptExit());
@@ -1657,11 +2362,13 @@ RunScriptFileHandle (
while(!ShellFileHandleEof(Handle)) {
CommandLine = ShellFileHandleReturnLine(Handle, &Ascii);
LineCount++;
- if (CommandLine == NULL || StrLen(CommandLine) == 0) {
+ if (CommandLine == NULL || StrLen(CommandLine) == 0 || CommandLine[0] == '#') {
+ SHELL_FREE_NON_NULL(CommandLine);
continue;
}
NewScriptFile->CurrentCommand = AllocateZeroPool(sizeof(SCRIPT_COMMAND_LIST));
if (NewScriptFile->CurrentCommand == NULL) {
+ SHELL_FREE_NON_NULL(CommandLine);
DeleteScriptFileStruct(NewScriptFile);
return (EFI_OUT_OF_RESOURCES);
}
@@ -1781,23 +2488,54 @@ RunScriptFileHandle (
//
} else {
if (CommandLine3 != NULL && StrLen(CommandLine3) > 0) {
- if (ShellCommandGetEchoState()) {
- CurDir = ShellInfoObject.NewEfiShellProtocol->GetEnv(L"cwd");
- if (CurDir != NULL && StrLen(CurDir) > 1) {
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_CURDIR), ShellInfoObject.HiiHandle, CurDir);
- } else {
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_SHELL), ShellInfoObject.HiiHandle);
+ if (CommandLine3[0] == L'@') {
+ //
+ // We need to save the current echo state
+ // and disable echo for just this command.
+ //
+ PreCommandEchoState = ShellCommandGetEchoState();
+ ShellCommandSetEchoState(FALSE);
+ Status = RunCommand(CommandLine3+1);
+
+ //
+ // If command was "@echo -off" or "@echo -on" then don't restore echo state
+ //
+ if (StrCmp (L"@echo -off", CommandLine3) != 0 &&
+ StrCmp (L"@echo -on", CommandLine3) != 0) {
+ //
+ // Now restore the pre-'@' echo state.
+ //
+ ShellCommandSetEchoState(PreCommandEchoState);
+ }
+ } else {
+ if (ShellCommandGetEchoState()) {
+ CurDir = ShellInfoObject.NewEfiShellProtocol->GetEnv(L"cwd");
+ if (CurDir != NULL && StrLen(CurDir) > 1) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_CURDIR), ShellInfoObject.HiiHandle, CurDir);
+ } else {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SHELL_SHELL), ShellInfoObject.HiiHandle);
+ }
+ ShellPrintEx(-1, -1, L"%s\r\n", CommandLine2);
}
- ShellPrintEx(-1, -1, L"%s\r\n", CommandLine2);
+ Status = RunCommand(CommandLine3);
}
- Status = RunCommand(CommandLine3);
}
if (ShellCommandGetScriptExit()) {
- ShellCommandRegisterExit(FALSE);
+ //
+ // ShellCommandGetExitCode() always returns a UINT64
+ //
+ UnicodeSPrint(LeString, sizeof(LeString), L"0x%Lx", ShellCommandGetExitCode());
+ DEBUG_CODE(InternalEfiShellSetEnv(L"debuglasterror", LeString, TRUE););
+ InternalEfiShellSetEnv(L"lasterror", LeString, TRUE);
+
+ ShellCommandRegisterExit(FALSE, 0);
Status = EFI_SUCCESS;
break;
}
+ if (ShellGetExecutionBreakFlag()) {
+ break;
+ }
if (EFI_ERROR(Status)) {
break;
}