char *getpass(const char *Prompt)
{
BOOLEAN Ascii;
CHAR16 *ReturnString;
Ascii = FALSE;
Print(L"%a", Prompt);
ReturnString = ShellFileHandleReturnLine (gEfiShellParametersProtocol->StdIn, &Ascii);
if (ReturnString == NULL) {
return (NULL);
}
ReturnStringAscii = AllocateZeroPool((StrLen(ReturnString)+1)*sizeof(CHAR8));
if (ReturnStringAscii == NULL) {
return (NULL);
}
UnicodeStrToAsciiStr(ReturnString, ReturnStringAscii);
FreePool(ReturnString);
return (ReturnStringAscii);
}
/**
Do the actual parsing of the file. the file should be SFO output from a
shell command or a similar format.
@param[in] FileName The filename to open.
@param[in] TableName The name of the table to find.
@param[in] ColumnIndex The column number to get.
@param[in] TableNameInstance Which instance of the table to get (row).
@param[in] ShellCommandInstance Which instance of the command to get.
@retval SHELL_NOT_FOUND The requested instance was not found.
@retval SHELL_SUCCESS The operation was successful.
**/
SHELL_STATUS
EFIAPI
PerformParsing(
IN CONST CHAR16 *FileName,
IN CONST CHAR16 *TableName,
IN CONST UINTN ColumnIndex,
IN CONST UINTN TableNameInstance,
IN CONST UINTN ShellCommandInstance
)
{
SHELL_FILE_HANDLE FileHandle;
EFI_STATUS Status;
BOOLEAN Ascii;
UINTN LoopVariable;
UINTN ColumnLoop;
CHAR16 *TempLine;
CHAR16 *ColumnPointer;
SHELL_STATUS ShellStatus;
CHAR16 *TempSpot;
ASSERT(FileName != NULL);
ASSERT(TableName != NULL);
ShellStatus = SHELL_SUCCESS;
Status = ShellOpenFileByName(FileName, &FileHandle, EFI_FILE_MODE_READ, 0);
if (EFI_ERROR(Status)) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel2HiiHandle, FileName);
ShellStatus = SHELL_NOT_FOUND;
} else if (!EFI_ERROR (FileHandleIsDirectory (FileHandle))) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NOT_FILE), gShellLevel2HiiHandle, FileName);
ShellStatus = SHELL_NOT_FOUND;
} else {
for (LoopVariable = 0 ; LoopVariable < ShellCommandInstance && !ShellFileHandleEof(FileHandle);) {
TempLine = ShellFileHandleReturnLine(FileHandle, &Ascii);
if (TempLine == NULL) {
break;
}
//
// Search for "ShellCommand," in the file to start the SFO table
// for a given ShellCommand. The UEFI Shell spec does not specify
// a space after the comma.
//
if (StrStr (TempLine, L"ShellCommand,") == TempLine) {
LoopVariable++;
}
SHELL_FREE_NON_NULL(TempLine);
}
if (LoopVariable == ShellCommandInstance) {
LoopVariable = 0;
while(1) {
TempLine = ShellFileHandleReturnLine(FileHandle, &Ascii);
if (TempLine == NULL
|| *TempLine == CHAR_NULL
|| StrStr (TempLine, L"ShellCommand,") == TempLine) {
SHELL_FREE_NON_NULL(TempLine);
break;
}
if (StrStr (TempLine, TableName) == TempLine) {
LoopVariable++;
if (LoopVariable == TableNameInstance
|| (TableNameInstance == (UINTN)-1)) {
for (ColumnLoop = 1, ColumnPointer = TempLine; ColumnLoop < ColumnIndex && ColumnPointer != NULL && *ColumnPointer != CHAR_NULL; ColumnLoop++) {
ColumnPointer = StrStr (ColumnPointer, L",\"");
if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL){
ColumnPointer++;
}
}
if (ColumnLoop == ColumnIndex) {
if (ColumnPointer == NULL) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellLevel2HiiHandle, L"Column Index");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
TempSpot = StrStr (ColumnPointer, L",\"");
if (TempSpot != NULL) {
*TempSpot = CHAR_NULL;
}
while (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[0] == L' '){
ColumnPointer++;
}
if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[0] == L'\"'){
ColumnPointer++;
}
if (ColumnPointer != NULL && *ColumnPointer != CHAR_NULL && ColumnPointer[StrLen (ColumnPointer) - 1] == L'\"'){
ColumnPointer[StrLen (ColumnPointer) - 1] = CHAR_NULL;
}
ShellPrintEx (-1, -1, L"%s\r\n", ColumnPointer);
}
}
}
}
SHELL_FREE_NON_NULL(TempLine);
}
}
}
return (ShellStatus);
}
