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audk/ShellPkg/Library/UefiShellLevel2CommandsLib/TimeDate.c

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/** @file
Main file for time, timezone, and date shell level 2 and shell level 3 functions.
(C) Copyright 2012-2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "UefiShellLevel2CommandsLib.h"
/**
Determine if String is a valid representation for a time or date.
@param[in] String The pointer to the string to test.
@param[in] Char The delimeter character.
@param[in] Min The minimum value allowed.
@param[in] Max The maximum value allowed.
@param[in] MinusOk Whether negative numbers are permitted.
@retval TRUE String is a valid representation.
@retval FALSE String is invalid.
**/
BOOLEAN
InternalIsTimeLikeString (
IN CONST CHAR16 *String,
IN CONST CHAR16 Char,
IN CONST UINTN Min,
IN CONST UINTN Max,
IN CONST BOOLEAN MinusOk
)
{
UINTN Count;
Count = 0;
if (MinusOk) {
//
// A single minus is ok.
//
if (*String == L'-') {
String++;
}
}
//
// the first char must be numeric.
//
if (!ShellIsDecimalDigitCharacter (*String)) {
return (FALSE);
}
//
// loop through the characters and use the lib function
//
for ( ; String != NULL && *String != CHAR_NULL; String++) {
if (*String == Char) {
Count++;
if (Count > Max) {
return (FALSE);
}
continue;
}
if (!ShellIsDecimalDigitCharacter (*String)) {
return (FALSE);
}
}
if (Count < Min) {
return (FALSE);
}
return (TRUE);
}
/**
Verify that the DateString is valid and if so set that as the current
date.
@param[in] DateString The pointer to a string representation of the date.
@retval SHELL_INVALID_PARAMETER DateString was NULL.
@retval SHELL_INVALID_PARAMETER DateString was mis-formatted.
@retval SHELL_SUCCESS The operation was successful.
**/
SHELL_STATUS
CheckAndSetDate (
IN CONST CHAR16 *DateString
)
{
EFI_TIME TheTime;
EFI_STATUS Status;
CHAR16 *DateStringCopy;
CHAR16 *Walker;
CHAR16 *Walker1;
if (!InternalIsTimeLikeString (DateString, L'/', 2, 2, FALSE)) {
return (SHELL_INVALID_PARAMETER);
}
Status = gRT->GetTime (&TheTime, NULL);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_UEFI_FUNC_WARN), gShellLevel2HiiHandle, L"date", L"gRT->GetTime", Status);
return (SHELL_DEVICE_ERROR);
}
DateStringCopy = NULL;
DateStringCopy = StrnCatGrow (&DateStringCopy, NULL, DateString, 0);
if (DateStringCopy == NULL) {
return (SHELL_OUT_OF_RESOURCES);
}
Walker = DateStringCopy;
TheTime.Month = 0xFF;
TheTime.Day = 0xFF;
TheTime.Year = 0xFFFF;
Walker1 = StrStr (Walker, L"/");
if ((Walker1 != NULL) && (*Walker1 == L'/')) {
*Walker1 = CHAR_NULL;
}
TheTime.Month = (UINT8)ShellStrToUintn (Walker);
if (Walker1 != NULL) {
Walker = Walker1 + 1;
}
Walker1 = Walker != NULL ? StrStr (Walker, L"/") : NULL;
if ((Walker1 != NULL) && (*Walker1 == L'/')) {
*Walker1 = CHAR_NULL;
}
if ((Walker != NULL) && (Walker[0] != CHAR_NULL)) {
TheTime.Day = (UINT8)ShellStrToUintn (Walker);
if (Walker1 != NULL) {
Walker = Walker1 + 1;
}
Walker1 = Walker != NULL ? StrStr (Walker, L"/") : NULL;
if ((Walker1 != NULL) && (*Walker1 == L'/')) {
*Walker1 = CHAR_NULL;
}
if ((Walker != NULL) && (Walker[0] != CHAR_NULL)) {
TheTime.Year = (UINT16)ShellStrToUintn (Walker);
}
}
if (TheTime.Year < 100) {
if (TheTime.Year >= 98) {
TheTime.Year = (UINT16)(1900 + TheTime.Year);
} else {
TheTime.Year = (UINT16)(2000 + TheTime.Year);
}
}
Status = gRT->SetTime (&TheTime);
if (!EFI_ERROR (Status)) {
return (SHELL_SUCCESS);
}
return (SHELL_INVALID_PARAMETER);
}
/**
Function for 'date' command.
@param[in] ImageHandle Handle to the Image (NULL if Internal).
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunDate (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
EFI_TIME TheTime;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
CONST CHAR16 *Param1;
ShellStatus = SHELL_SUCCESS;
ProblemParam = NULL;
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize ();
ASSERT_EFI_ERROR (Status);
//
// parse the command line
//
Status = ShellCommandLineParse (SfoParamList, &Package, &ProblemParam, TRUE);
if (EFI_ERROR (Status)) {
if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"date", ProblemParam);
FreePool (ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT (FALSE);
}
} else {
//
// check for "-?"
//
if (ShellCommandLineGetFlag (Package, L"-?")) {
ASSERT (FALSE);
} else if (ShellCommandLineGetRawValue (Package, 2) != NULL) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"date");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
//
// If there are 0 value parameters, then print the current date
// else If there are any value paramerers, then print error
//
if (ShellCommandLineGetRawValue (Package, 1) == NULL) {
//
// get the current date
//
Status = gRT->GetTime (&TheTime, NULL);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_UEFI_FUNC_WARN), gShellLevel2HiiHandle, L"date", L"gRT->GetTime", Status);
return (SHELL_DEVICE_ERROR);
}
//
// ShellPrintEx the date in SFO or regular format
//
if (ShellCommandLineGetFlag (Package, L"-sfo")) {
//
// Match UEFI Shell spec:
// ShellCommand,"date"
// Date,"DD","MM","YYYY"
//
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_SFO_HEADER), gShellLevel2HiiHandle, L"date");
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DATE_SFO_FORMAT), gShellLevel2HiiHandle, TheTime.Day, TheTime.Month, TheTime.Year);
} else {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_DATE_FORMAT), gShellLevel2HiiHandle, TheTime.Month, TheTime.Day, TheTime.Year);
}
} else {
if (PcdGet8 (PcdShellSupportLevel) == 2) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"date");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
//
// perform level 3 operation here.
//
Param1 = ShellCommandLineGetRawValue (Package, 1);
if (Param1 == NULL) {
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ShellStatus = CheckAndSetDate (Param1);
}
if (ShellStatus != SHELL_SUCCESS) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel2HiiHandle, L"date", Param1);
ShellStatus = SHELL_INVALID_PARAMETER;
}
}
}
}
}
//
// free the command line package
//
ShellCommandLineFreeVarList (Package);
//
// return the status
//
return (ShellStatus);
}
//
// Note "-tz" is invalid for this (non-interactive) version of 'time'.
//
STATIC CONST SHELL_PARAM_ITEM TimeParamList2[] = {
{ L"-d", TypeValue },
{ NULL, TypeMax }
};
STATIC CONST SHELL_PARAM_ITEM TimeParamList3[] = {
{ L"-d", TypeValue },
{ L"-tz", TypeValue },
{ NULL, TypeMax }
};
/**
Verify that the TimeString is valid and if so set that as the current
time.
@param[in] TimeString The pointer to a string representation of the time.
@param[in] Tz The value to set for TimeZone.
@param[in] Daylight The value to set for Daylight.
@retval SHELL_INVALID_PARAMETER TimeString was NULL.
@retval SHELL_INVALID_PARAMETER TimeString was mis-formatted.
@retval SHELL_SUCCESS The operation was successful.
**/
SHELL_STATUS
CheckAndSetTime (
IN CONST CHAR16 *TimeString,
IN CONST INT16 Tz,
IN CONST UINT8 Daylight
)
{
EFI_TIME TheTime;
EFI_STATUS Status;
CHAR16 *TimeStringCopy;
CHAR16 *Walker1;
CHAR16 *Walker2;
if ((TimeString != NULL) && !InternalIsTimeLikeString (TimeString, L':', 1, 2, FALSE)) {
return (SHELL_INVALID_PARAMETER);
}
if ((Daylight != 0xFF) && ((Daylight & (EFI_TIME_IN_DAYLIGHT|EFI_TIME_ADJUST_DAYLIGHT)) != Daylight)) {
return (SHELL_INVALID_PARAMETER);
}
Status = gRT->GetTime (&TheTime, NULL);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_UEFI_FUNC_WARN), gShellLevel2HiiHandle, L"time", L"gRT->GetTime", Status);
return (SHELL_DEVICE_ERROR);
}
if (TimeString != NULL) {
TimeStringCopy = NULL;
TimeStringCopy = StrnCatGrow (&TimeStringCopy, NULL, TimeString, 0);
Walker1 = TimeStringCopy;
TheTime.Hour = 0xFF;
TheTime.Minute = 0xFF;
Walker2 = Walker1 != NULL ? StrStr (Walker1, L":") : NULL;
if ((Walker2 != NULL) && (*Walker2 == L':')) {
*Walker2 = CHAR_NULL;
}
TheTime.Hour = (UINT8)ShellStrToUintn (Walker1);
if (Walker2 != NULL) {
Walker1 = Walker2 + 1;
}
Walker2 = Walker1 != NULL ? StrStr (Walker1, L":") : NULL;
if ((Walker2 != NULL) && (*Walker2 == L':')) {
*Walker2 = CHAR_NULL;
TheTime.Second = (UINT8)0;
} else if (Walker2 == NULL) {
TheTime.Second = (UINT8)0;
}
if ((Walker1 != NULL) && (Walker1[0] != CHAR_NULL)) {
TheTime.Minute = (UINT8)ShellStrToUintn (Walker1);
if (Walker2 != NULL) {
Walker1 = Walker2 + 1;
if ((Walker1 != NULL) && (Walker1[0] != CHAR_NULL)) {
TheTime.Second = (UINT8)ShellStrToUintn (Walker1);
}
}
}
SHELL_FREE_NON_NULL (TimeStringCopy);
}
if ((Tz >= -1440) && (Tz <= 1440)) {
//
// EFI_TIME TimeZone is stored to meet the following calculation (see UEFI Spec):
// Localtime = UTC - TimeZone
// This means the sign must be changed for the user provided Tz.
// EX: User wants to set TimeZone to Pacific Standard Time, so runs
// time -tz -480 # set to UTC-08:00
// To meet the calculation, the sign must be changed.
//
TheTime.TimeZone = -Tz;
} else if (Tz == EFI_UNSPECIFIED_TIMEZONE) {
TheTime.TimeZone = Tz;
}
if (Daylight != 0xFF) {
TheTime.Daylight = Daylight;
}
Status = gRT->SetTime (&TheTime);
if (!EFI_ERROR (Status)) {
return (SHELL_SUCCESS);
}
return (SHELL_INVALID_PARAMETER);
}
/**
Function for 'time' command.
@param[in] ImageHandle Handle to the Image (NULL if Internal).
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunTime (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
EFI_TIME TheTime;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
INT16 Tz;
UINT8 Daylight;
CONST CHAR16 *TempLocation;
UINTN TzMinutes;
//
// Initialize variables
//
ShellStatus = SHELL_SUCCESS;
ProblemParam = NULL;
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize ();
ASSERT_EFI_ERROR (Status);
//
// parse the command line
//
if (PcdGet8 (PcdShellSupportLevel) == 2) {
Status = ShellCommandLineParseEx (TimeParamList2, &Package, &ProblemParam, TRUE, TRUE);
} else {
ASSERT (PcdGet8 (PcdShellSupportLevel) == 3);
Status = ShellCommandLineParseEx (TimeParamList3, &Package, &ProblemParam, TRUE, TRUE);
}
if (EFI_ERROR (Status)) {
if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"time", ProblemParam);
FreePool (ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT (FALSE);
}
} else {
//
// check for "-?"
//
Status = gRT->GetTime (&TheTime, NULL);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_UEFI_FUNC_WARN), gShellLevel2HiiHandle, L"time", L"gRT->GetTime", Status);
return (SHELL_DEVICE_ERROR);
}
if (ShellCommandLineGetFlag (Package, L"-?")) {
ASSERT (FALSE);
} else if (ShellCommandLineGetRawValue (Package, 2) != NULL) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"time");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
//
// If there are no parameters, then print the current time
//
if ( (ShellCommandLineGetRawValue (Package, 1) == NULL)
&& !ShellCommandLineGetFlag (Package, L"-d")
&& !ShellCommandLineGetFlag (Package, L"-tz"))
{
//
// ShellPrintEx the current time
//
if (TheTime.TimeZone == EFI_UNSPECIFIED_TIMEZONE) {
TzMinutes = 0;
} else {
TzMinutes = (ABS (TheTime.TimeZone)) % 60;
}
if (TheTime.TimeZone != EFI_UNSPECIFIED_TIMEZONE) {
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_TIME_FORMAT),
gShellLevel2HiiHandle,
TheTime.Hour,
TheTime.Minute,
TheTime.Second,
(TheTime.TimeZone > 0 ? L"-" : L"+"),
((ABS (TheTime.TimeZone)) / 60),
TzMinutes
);
} else {
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_TIME_FORMAT_LOCAL),
gShellLevel2HiiHandle,
TheTime.Hour,
TheTime.Minute,
TheTime.Second
);
}
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_CRLF), gShellLevel2HiiHandle);
} else if (ShellCommandLineGetFlag (Package, L"-d") && (ShellCommandLineGetValue (Package, L"-d") == NULL)) {
if (TheTime.TimeZone == EFI_UNSPECIFIED_TIMEZONE) {
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_TIME_FORMAT_LOCAL),
gShellLevel2HiiHandle,
TheTime.Hour,
TheTime.Minute,
TheTime.Second
);
} else {
TzMinutes = (ABS (TheTime.TimeZone)) % 60;
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_TIME_FORMAT),
gShellLevel2HiiHandle,
TheTime.Hour,
TheTime.Minute,
TheTime.Second,
(TheTime.TimeZone > 0 ? L"-" : L"+"),
((ABS (TheTime.TimeZone)) / 60),
TzMinutes
);
}
switch (TheTime.Daylight) {
case 0:
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_TIME_DST0), gShellLevel2HiiHandle);
break;
case EFI_TIME_ADJUST_DAYLIGHT:
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_TIME_DST1), gShellLevel2HiiHandle);
break;
case EFI_TIME_IN_DAYLIGHT:
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_TIME_DST2), gShellLevel2HiiHandle);
break;
case EFI_TIME_IN_DAYLIGHT|EFI_TIME_ADJUST_DAYLIGHT:
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_TIME_DST3), gShellLevel2HiiHandle);
break;
default:
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_UEFI_FUNC_ERROR), gShellLevel2HiiHandle, L"time", L"gRT->GetTime", L"TheTime.Daylight", TheTime.Daylight);
}
} else {
if (PcdGet8 (PcdShellSupportLevel) == 2) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"time");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
//
// perform level 3 operation here.
//
if ((TempLocation = ShellCommandLineGetValue (Package, L"-tz")) != NULL) {
if (gUnicodeCollation->StriColl (gUnicodeCollation, (CHAR16 *)TempLocation, L"_local") == 0) {
Tz = EFI_UNSPECIFIED_TIMEZONE;
} else if (TempLocation[0] == L'-') {
Tz = (INT16)ShellStrToUintn (++TempLocation);
//
// When the argument of "time [-tz tz]" is not numeric, ShellStrToUintn() returns "-1".
// Here we can detect the argument error by checking the return of ShellStrToUintn().
//
if (Tz == -1) {
Tz = 1441; // make it to be out of bounds value
} else {
Tz *= (-1); // sign convert
}
} else {
if (TempLocation[0] == L'+') {
Tz = (INT16)ShellStrToUintn (++TempLocation);
} else {
Tz = (INT16)ShellStrToUintn (TempLocation);
}
//
// Detect the return of ShellStrToUintn() to make sure the argument is valid.
//
if (Tz == -1) {
Tz = 1441; // make it to be out of bounds value
}
}
if (!((Tz >= -1440) && (Tz <= 1440)) && (Tz != EFI_UNSPECIFIED_TIMEZONE)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellLevel2HiiHandle, L"time", TempLocation, L"-tz");
ShellStatus = SHELL_INVALID_PARAMETER;
}
} else {
//
// intentionally out of bounds value will prevent changing it...
//
Tz = 1441;
}
TempLocation = ShellCommandLineGetValue (Package, L"-d");
if (TempLocation != NULL) {
Daylight = (UINT8)ShellStrToUintn (TempLocation);
//
// The argument of "time [-d dl]" is unsigned, if the first character is '-',
// the argument is incorrect. That's because ShellStrToUintn() will skip past
// any '-' sign and convert what's next, forgetting the sign is here.
//
if (TempLocation[0] == '-') {
Daylight = 0xff; // make it invalid = will not use
}
if ((Daylight != 0) && (Daylight != 1) && (Daylight != 3)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellLevel2HiiHandle, L"time", TempLocation, L"-d");
ShellStatus = SHELL_INVALID_PARAMETER;
}
} else {
//
// invalid = will not use
//
Daylight = 0xFF;
}
if (ShellStatus == SHELL_SUCCESS) {
ShellStatus = CheckAndSetTime (ShellCommandLineGetRawValue (Package, 1), Tz, Daylight);
if (ShellStatus != SHELL_SUCCESS) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel2HiiHandle, L"time", ShellCommandLineGetRawValue (Package, 1));
ShellStatus = SHELL_INVALID_PARAMETER;
}
}
}
}
}
}
//
// free the command line package
//
ShellCommandLineFreeVarList (Package);
//
// return the status
//
return (ShellStatus);
}
typedef struct {
INT16 TimeZone;
EFI_STRING_ID StringId;
} TIME_ZONE_ITEM;
STATIC CONST SHELL_PARAM_ITEM TimeZoneParamList2[] = {
{ L"-l", TypeFlag },
{ L"-f", TypeFlag },
{ NULL, TypeMax }
};
STATIC CONST SHELL_PARAM_ITEM TimeZoneParamList3[] = {
{ L"-l", TypeFlag },
{ L"-f", TypeFlag },
{ L"-s", TypeTimeValue },
{ NULL, TypeMax }
};
STATIC CONST TIME_ZONE_ITEM TimeZoneList[] = {
{ 720, STRING_TOKEN (STR_TIMEZONE_M12) },
{ 660, STRING_TOKEN (STR_TIMEZONE_M11) },
{ 600, STRING_TOKEN (STR_TIMEZONE_M10) },
{ 540, STRING_TOKEN (STR_TIMEZONE_M9) },
{ 480, STRING_TOKEN (STR_TIMEZONE_M8) },
{ 420, STRING_TOKEN (STR_TIMEZONE_M7) },
{ 360, STRING_TOKEN (STR_TIMEZONE_M6) },
{ 300, STRING_TOKEN (STR_TIMEZONE_M5) },
{ 270, STRING_TOKEN (STR_TIMEZONE_M430) },
{ 240, STRING_TOKEN (STR_TIMEZONE_M4) },
{ 210, STRING_TOKEN (STR_TIMEZONE_M330) },
{ 180, STRING_TOKEN (STR_TIMEZONE_M3) },
{ 120, STRING_TOKEN (STR_TIMEZONE_M2) },
{ 60, STRING_TOKEN (STR_TIMEZONE_M1) },
{ 0, STRING_TOKEN (STR_TIMEZONE_0) },
{ -60, STRING_TOKEN (STR_TIMEZONE_P1) },
{ -120, STRING_TOKEN (STR_TIMEZONE_P2) },
{ -180, STRING_TOKEN (STR_TIMEZONE_P3) },
{ -210, STRING_TOKEN (STR_TIMEZONE_P330) },
{ -240, STRING_TOKEN (STR_TIMEZONE_P4) },
{ -270, STRING_TOKEN (STR_TIMEZONE_P430) },
{ -300, STRING_TOKEN (STR_TIMEZONE_P5) },
{ -330, STRING_TOKEN (STR_TIMEZONE_P530) },
{ -345, STRING_TOKEN (STR_TIMEZONE_P545) },
{ -360, STRING_TOKEN (STR_TIMEZONE_P6) },
{ -390, STRING_TOKEN (STR_TIMEZONE_P630) },
{ -420, STRING_TOKEN (STR_TIMEZONE_P7) },
{ -480, STRING_TOKEN (STR_TIMEZONE_P8) },
{ -540, STRING_TOKEN (STR_TIMEZONE_P9) },
{ -570, STRING_TOKEN (STR_TIMEZONE_P930) },
{ -600, STRING_TOKEN (STR_TIMEZONE_P10) },
{ -660, STRING_TOKEN (STR_TIMEZONE_P11) },
{ -720, STRING_TOKEN (STR_TIMEZONE_P12) },
{ -780, STRING_TOKEN (STR_TIMEZONE_P13) },
{ -840, STRING_TOKEN (STR_TIMEZONE_P14) },
{ EFI_UNSPECIFIED_TIMEZONE, STRING_TOKEN (STR_TIMEZONE_LOCAL) }
};
/**
Verify that the TimeZoneString is valid and if so set that as the current
timezone.
@param[in] TimeZoneString The pointer to a string representation of the timezone.
@retval SHELL_INVALID_PARAMETER TimeZoneString was NULL.
@retval SHELL_INVALID_PARAMETER TimeZoneString was mis-formatted.
@retval SHELL_SUCCESS The operation was successful.
**/
SHELL_STATUS
CheckAndSetTimeZone (
IN CONST CHAR16 *TimeZoneString
)
{
EFI_TIME TheTime;
EFI_STATUS Status;
CHAR16 *TimeZoneCopy;
CHAR16 *Walker;
CHAR16 *Walker2;
UINTN LoopVar;
if (TimeZoneString == NULL) {
return (SHELL_INVALID_PARAMETER);
}
if (gUnicodeCollation->StriColl (gUnicodeCollation, (CHAR16 *)TimeZoneString, L"_local") == 0) {
Status = gRT->GetTime (&TheTime, NULL);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_UEFI_FUNC_WARN), gShellLevel2HiiHandle, L"gRT->GetTime", Status);
return (SHELL_DEVICE_ERROR);
}
TheTime.TimeZone = EFI_UNSPECIFIED_TIMEZONE;
Status = gRT->SetTime (&TheTime);
if (!EFI_ERROR (Status)) {
return (SHELL_SUCCESS);
}
return (SHELL_INVALID_PARAMETER);
}
if ((TimeZoneString != NULL) && !InternalIsTimeLikeString (TimeZoneString, L':', 1, 1, TRUE)) {
return (SHELL_INVALID_PARAMETER);
}
Status = gRT->GetTime (&TheTime, NULL);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_UEFI_FUNC_WARN), gShellLevel2HiiHandle, L"timezone", L"gRT->GetTime", Status);
return (SHELL_DEVICE_ERROR);
}
TimeZoneCopy = NULL;
TimeZoneCopy = StrnCatGrow (&TimeZoneCopy, NULL, TimeZoneString, 0);
if (TimeZoneCopy == NULL) {
return (SHELL_OUT_OF_RESOURCES);
}
Walker = TimeZoneCopy;
Walker2 = StrStr (Walker, L":");
if ((Walker2 != NULL) && (*Walker2 == L':')) {
*Walker2 = CHAR_NULL;
}
if (*Walker == L'-') {
TheTime.TimeZone = (INT16)((ShellStrToUintn (++Walker)) * 60);
} else {
TheTime.TimeZone = (INT16)((INT16)(ShellStrToUintn (Walker)) * -60);
}
if (Walker2 != NULL) {
Walker = Walker2 + 1;
}
if ((Walker != NULL) && (Walker[0] != CHAR_NULL)) {
if (TheTime.TimeZone < 0) {
TheTime.TimeZone = (INT16)(TheTime.TimeZone - (UINT8)ShellStrToUintn (Walker));
} else {
TheTime.TimeZone = (INT16)(TheTime.TimeZone + (UINT8)ShellStrToUintn (Walker));
}
}
Status = EFI_INVALID_PARAMETER;
for ( LoopVar = 0
; LoopVar < sizeof (TimeZoneList) / sizeof (TimeZoneList[0])
; LoopVar++
)
{
if (TheTime.TimeZone == TimeZoneList[LoopVar].TimeZone) {
Status = gRT->SetTime (&TheTime);
break;
}
}
FreePool (TimeZoneCopy);
if (!EFI_ERROR (Status)) {
return (SHELL_SUCCESS);
}
return (SHELL_INVALID_PARAMETER);
}
/**
Function for 'timezone' command.
@param[in] ImageHandle Handle to the Image (NULL if Internal).
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunTimeZone (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
//
// non interactive
//
EFI_STATUS Status;
LIST_ENTRY *Package;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
UINT8 LoopVar;
EFI_TIME TheTime;
BOOLEAN Found;
UINTN TzMinutes;
ShellStatus = SHELL_SUCCESS;
ProblemParam = NULL;
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize ();
ASSERT_EFI_ERROR (Status);
//
// parse the command line
//
if (PcdGet8 (PcdShellSupportLevel) == 2) {
Status = ShellCommandLineParse (TimeZoneParamList2, &Package, &ProblemParam, TRUE);
} else {
ASSERT (PcdGet8 (PcdShellSupportLevel) == 3);
Status = ShellCommandLineParseEx (TimeZoneParamList3, &Package, &ProblemParam, TRUE, TRUE);
}
if (EFI_ERROR (Status)) {
if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"timezone", ProblemParam);
FreePool (ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT (FALSE);
}
} else {
//
// check for "-?"
//
if (ShellCommandLineGetCount (Package) > 1) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"timezone");
ShellStatus = SHELL_INVALID_PARAMETER;
} else if (ShellCommandLineGetFlag (Package, L"-?")) {
ASSERT (FALSE);
} else if (ShellCommandLineGetFlag (Package, L"-s")) {
if ((ShellCommandLineGetFlag (Package, L"-l")) || (ShellCommandLineGetFlag (Package, L"-f"))) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel2HiiHandle, L"timezone", L"-l or -f");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT (PcdGet8 (PcdShellSupportLevel) == 3);
if (ShellCommandLineGetValue (Package, L"-s") == NULL) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellLevel2HiiHandle, L"timezone", L"-s");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
//
// Set the time zone
//
ShellStatus = CheckAndSetTimeZone (ShellCommandLineGetValue (Package, L"-s"));
if (ShellStatus != SHELL_SUCCESS) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel2HiiHandle, L"timezone", ShellCommandLineGetValue (Package, L"-s"));
ShellStatus = SHELL_INVALID_PARAMETER;
}
}
}
} else if (ShellCommandLineGetFlag (Package, L"-l")) {
//
// Print a list of all time zones
//
for ( LoopVar = 0
; LoopVar < sizeof (TimeZoneList) / sizeof (TimeZoneList[0])
; LoopVar++
)
{
ShellPrintHiiEx (-1, -1, NULL, TimeZoneList[LoopVar].StringId, gShellLevel2HiiHandle);
}
} else {
//
// Get Current Time Zone Info
//
Status = gRT->GetTime (&TheTime, NULL);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_UEFI_FUNC_WARN), gShellLevel2HiiHandle, L"timezone", L"gRT->GetTime", Status);
return (SHELL_DEVICE_ERROR);
}
if (TheTime.TimeZone != EFI_UNSPECIFIED_TIMEZONE) {
Found = FALSE;
for ( LoopVar = 0
; LoopVar < sizeof (TimeZoneList) / sizeof (TimeZoneList[0])
; LoopVar++
)
{
if (TheTime.TimeZone == TimeZoneList[LoopVar].TimeZone) {
if (ShellCommandLineGetFlag (Package, L"-f")) {
//
// Print all info about current time zone
//
ShellPrintHiiEx (-1, -1, NULL, TimeZoneList[LoopVar].StringId, gShellLevel2HiiHandle);
} else {
//
// Print basic info only
//
TzMinutes = (ABS (TheTime.TimeZone)) % 60;
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_TIMEZONE_SIMPLE),
gShellLevel2HiiHandle,
(TheTime.TimeZone > 0 ? L"-" : L"+"),
(ABS (TheTime.TimeZone)) / 60,
TzMinutes
);
}
Found = TRUE;
break;
}
}
if (!Found) {
//
// Print basic info only
//
TzMinutes = (ABS (TheTime.TimeZone)) % 60;
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_TIMEZONE_SIMPLE),
gShellLevel2HiiHandle,
(TheTime.TimeZone > 0 ? L"-" : L"+"),
(ABS (TheTime.TimeZone)) / 60,
TzMinutes
);
if (ShellCommandLineGetFlag (Package, L"-f")) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_TIMEZONE_NI), gShellLevel2HiiHandle);
}
}
} else {
//
// TimeZone was EFI_UNSPECIFIED_TIMEZONE (local) from GetTime()
//
if (ShellCommandLineGetFlag (Package, L"-f")) {
for ( LoopVar = 0
; LoopVar < ARRAY_SIZE (TimeZoneList)
; LoopVar++
)
{
if (TheTime.TimeZone == TimeZoneList[LoopVar].TimeZone) {
//
// Print all info about current time zone
//
ShellPrintHiiEx (-1, -1, NULL, TimeZoneList[LoopVar].StringId, gShellLevel2HiiHandle);
break;
}
}
} else {
//
// Print basic info only
//
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_TIMEZONE_SIMPLE_LOCAL), gShellLevel2HiiHandle);
}
}
}
}
//
// free the command line package
//
ShellCommandLineFreeVarList (Package);
return (ShellStatus);
}
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