/*
* refind/config.c
* Configuration file functions
*
* Copyright (c) 2006 Christoph Pfisterer
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Christoph Pfisterer nor the names of the
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Modifications copyright (c) 2012-2021 Roderick W. Smith
*
* Modifications distributed under the terms of the GNU General Public
* License (GPL) version 3 (GPLv3) or (at your option) any later version.
*
*/
/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "global.h"
#include "lib.h"
#include "icns.h"
#include "log.h"
#include "menu.h"
#include "config.h"
#include "screen.h"
#include "apple.h"
#include "mystrings.h"
#include "scan.h"
#include "../include/refit_call_wrapper.h"
#include "../mok/mok.h"
// constants
#define LINUX_OPTIONS_FILENAMES L"refind_linux.conf,refind-linux.conf"
#define MAXCONFIGFILESIZE (128*1024)
#define ENCODING_ISO8859_1 (0)
#define ENCODING_UTF8 (1)
#define ENCODING_UTF16_LE (2)
#define GetTime ST->RuntimeServices->GetTime
#define LAST_MINUTE 1439 /* Last minute of a day */
// extern REFIT_MENU_ENTRY MenuEntryReturn;
//static REFIT_MENU_ENTRY MenuEntryReturn = { L"Return to Main Menu", TAG_RETURN, 0, 0, 0, NULL, NULL, NULL };
//
// read a file into a buffer
//
EFI_STATUS ReadFile(IN EFI_FILE_HANDLE BaseDir, IN CHAR16 *FileName, IN OUT REFIT_FILE *File, OUT UINTN *size)
{
EFI_STATUS Status;
EFI_FILE_HANDLE FileHandle;
EFI_FILE_INFO *FileInfo;
UINT64 ReadSize;
CHAR16 *Message;
File->Buffer = NULL;
File->BufferSize = 0;
// read the file, allocating a buffer on the way
Status = refit_call5_wrapper(BaseDir->Open, BaseDir, &FileHandle, FileName, EFI_FILE_MODE_READ, 0);
Message = PoolPrint(L"while loading the file '%s'", FileName);
if (CheckError(Status, Message)) {
MyFreePool(Message);
return Status;
}
FileInfo = LibFileInfo(FileHandle);
if (FileInfo == NULL) {
// TODO: print and register the error
refit_call1_wrapper(FileHandle->Close, FileHandle);
return EFI_LOAD_ERROR;
}
ReadSize = FileInfo->FileSize;
FreePool(FileInfo);
File->BufferSize = (UINTN)ReadSize;
File->Buffer = AllocatePool(File->BufferSize);
if (File->Buffer == NULL) {
size = 0;
return EFI_OUT_OF_RESOURCES;
} else {
*size = File->BufferSize;
} // if/else
Status = refit_call3_wrapper(FileHandle->Read, FileHandle, &File->BufferSize, File->Buffer);
if (CheckError(Status, Message)) {
MyFreePool(File->Buffer);
MyFreePool(Message);
File->Buffer = NULL;
refit_call1_wrapper(FileHandle->Close, FileHandle);
return Status;
}
Status = refit_call1_wrapper(FileHandle->Close, FileHandle);
// setup for reading
File->Current8Ptr = (CHAR8 *)File->Buffer;
File->End8Ptr = File->Current8Ptr + File->BufferSize;
File->Current16Ptr = (CHAR16 *)File->Buffer;
File->End16Ptr = File->Current16Ptr + (File->BufferSize >> 1);
// detect encoding
File->Encoding = ENCODING_ISO8859_1; // default: 1:1 translation of CHAR8 to CHAR16
if (File->BufferSize >= 4) {
if (File->Buffer[0] == 0xFF && File->Buffer[1] == 0xFE) {
// BOM in UTF-16 little endian (or UTF-32 little endian)
File->Encoding = ENCODING_UTF16_LE; // use CHAR16 as is
File->Current16Ptr++;
} else if (File->Buffer[0] == 0xEF && File->Buffer[1] == 0xBB && File->Buffer[2] == 0xBF) {
// BOM in UTF-8
File->Encoding = ENCODING_UTF8; // translate from UTF-8 to UTF-16
File->Current8Ptr += 3;
} else if (File->Buffer[1] == 0 && File->Buffer[3] == 0) {
File->Encoding = ENCODING_UTF16_LE; // use CHAR16 as is
}
// TODO: detect other encodings as they are implemented
}
return EFI_SUCCESS;
}
//
// get a single line of text from a file
//
static CHAR16 *ReadLine(REFIT_FILE *File)
{
CHAR16 *Line, *q;
UINTN LineLength;
if (File->Buffer == NULL)
return NULL;
if (File->Encoding == ENCODING_ISO8859_1 || File->Encoding == ENCODING_UTF8) {
CHAR8 *p, *LineStart, *LineEnd;
p = File->Current8Ptr;
if (p >= File->End8Ptr)
return NULL;
LineStart = p;
for (; p < File->End8Ptr; p++)
if (*p == 13 || *p == 10)
break;
LineEnd = p;
for (; p < File->End8Ptr; p++)
if (*p != 13 && *p != 10)
break;
File->Current8Ptr = p;
LineLength = (UINTN)(LineEnd - LineStart) + 1;
Line = AllocatePool(LineLength * sizeof(CHAR16));
if (Line == NULL)
return NULL;
q = Line;
if (File->Encoding == ENCODING_ISO8859_1) {
for (p = LineStart; p < LineEnd; )
*q++ = *p++;
} else if (File->Encoding == ENCODING_UTF8) {
// TODO: actually handle UTF-8
for (p = LineStart; p < LineEnd; )
*q++ = *p++;
}
*q = 0;
} else if (File->Encoding == ENCODING_UTF16_LE) {
CHAR16 *p, *LineStart, *LineEnd;
p = File->Current16Ptr;
if (p >= File->End16Ptr)
return NULL;
LineStart = p;
for (; p < File->End16Ptr; p++)
if (*p == 13 || *p == 10)
break;
LineEnd = p;
for (; p < File->End16Ptr; p++)
if (*p != 13 && *p != 10)
break;
File->Current16Ptr = p;
LineLength = (UINTN)(LineEnd - LineStart) + 1;
Line = AllocatePool(LineLength * sizeof(CHAR16));
if (Line == NULL)
return NULL;
for (p = LineStart, q = Line; p < LineEnd; )
*q++ = *p++;
*q = 0;
} else
return NULL; // unsupported encoding
return Line;
}
// Returns FALSE if *p points to the end of a token, TRUE otherwise.
// Also modifies *p **IF** the first and second characters are both
// quotes ('"'); it deletes one of them.
static BOOLEAN KeepReading(IN OUT CHAR16 *p, IN OUT BOOLEAN *IsQuoted) {
BOOLEAN MoreToRead = FALSE;
CHAR16 *Temp = NULL;
if ((p == NULL) || (IsQuoted == NULL))
return FALSE;
if (*p == L'\0')
return FALSE;
if ((*p != ' ' && *p != '\t' && *p != '=' && *p != '#' && *p != ',') || *IsQuoted) {
MoreToRead = TRUE;
}
if (*p == L'"') {
if (p[1] == L'"') {
Temp = StrDuplicate(&p[1]);
if (Temp != NULL) {
StrCpy(p, Temp);
FreePool(Temp);
}
MoreToRead = TRUE;
} else {
*IsQuoted = !(*IsQuoted);
MoreToRead = FALSE;
} // if/else second character is a quote
} // if first character is a quote
return MoreToRead;
} // BOOLEAN KeepReading()
//
// get a line of tokens from a file
//
UINTN ReadTokenLine(IN REFIT_FILE *File, OUT CHAR16 ***TokenList)
{
BOOLEAN LineFinished, IsQuoted = FALSE;
CHAR16 *Line, *Token, *p;
UINTN TokenCount = 0;
*TokenList = NULL;
while (TokenCount == 0) {
Line = ReadLine(File);
if (Line == NULL)
return(0);
p = Line;
LineFinished = FALSE;
while (!LineFinished) {
// skip whitespace & find start of token
while ((*p == ' ' || *p == '\t' || *p == '=' || *p == ',') && !IsQuoted)
p++;
if (*p == 0 || *p == '#')
break;
if (*p == '"') {
IsQuoted = !IsQuoted;
p++;
} // if
Token = p;
// find end of token
while (KeepReading(p, &IsQuoted)) {
if ((*p == L'/') && !IsQuoted) // Switch Unix-style to DOS-style directory separators
*p = L'\\';
p++;
} // while
if (*p == L'\0' || *p == L'#')
LineFinished = TRUE;
*p++ = 0;
AddListElement((VOID ***)TokenList, &TokenCount, (VOID *)StrDuplicate(Token));
}
FreePool(Line);
}
return (TokenCount);
} /* ReadTokenLine() */
VOID FreeTokenLine(IN OUT CHAR16 ***TokenList, IN OUT UINTN *TokenCount)
{
// TODO: also free the items
FreeList((VOID ***)TokenList, TokenCount);
}
// handle a parameter with a single integer argument
static VOID HandleInt(IN CHAR16 **TokenList, IN UINTN TokenCount, OUT UINTN *Value)
{
if (TokenCount == 2) {
if (StrCmp(TokenList[1], L"-1") == 0)
*Value = -1;
else
*Value = Atoi(TokenList[1]);
}
}
// handle a parameter with a single string argument
static VOID HandleString(IN CHAR16 **TokenList, IN UINTN TokenCount, OUT CHAR16 **Target) {
if ((TokenCount == 2) && Target) {
MyFreePool(*Target);
*Target = StrDuplicate(TokenList[1]);
} // if
} // static VOID HandleString()
// Handle a parameter with a series of string arguments, to replace or be added to a
// comma-delimited list. Passes each token through the CleanUpPathNameSlashes() function
// to ensure consistency in subsequent comparisons of filenames. If the first
// non-keyword token is "+", the list is added to the existing target string; otherwise,
// the tokens replace the current string.
static VOID HandleStrings(IN CHAR16 **TokenList, IN UINTN TokenCount, OUT CHAR16 **Target) {
UINTN i;
BOOLEAN AddMode = FALSE;
if ((TokenCount > 2) && (StrCmp(TokenList[1], L"+") == 0)) {
AddMode = TRUE;
}
if ((*Target != NULL) && !AddMode) {
FreePool(*Target);
*Target = NULL;
} // if
for (i = 1; i < TokenCount; i++) {
if ((i != 1) || !AddMode) {
CleanUpPathNameSlashes(TokenList[i]);
MergeStrings(Target, TokenList[i], L',');
} // if
} // for
} // static VOID HandleStrings()
// Handle a parameter with a series of hexadecimal arguments, to replace or be added to a
// linked list of UINT32 values. Any item with a non-hexadecimal value is discarded, as is
// any value that exceeds MaxValue. If the first non-keyword token is "+", the new list is
// added to the existing Target; otherwise, the interpreted tokens replace the current
// Target.
static VOID HandleHexes(IN CHAR16 **TokenList,
IN UINTN TokenCount,
IN UINTN MaxValue,
OUT UINT32_LIST **Target) {
UINTN InputIndex = 1, i;
UINT32 Value;
UINT32_LIST *EndOfList = NULL;
UINT32_LIST *NewEntry;
if ((TokenCount > 2) && (StrCmp(TokenList[1], L"+") == 0)) {
InputIndex = 2;
EndOfList = *Target;
while (EndOfList && (EndOfList->Next != NULL)) {
EndOfList = EndOfList->Next;
}
} else {
EraseUint32List(Target);
}
for (i = InputIndex; i < TokenCount; i++) {
if (IsValidHex(TokenList[i])) {
Value = (UINT32) StrToHex(TokenList[i], 0, 8);
if (Value <= MaxValue) {
NewEntry = AllocatePool(sizeof(UINT32_LIST));
if (NewEntry) {
NewEntry->Value = Value;
NewEntry->Next = NULL;
if (EndOfList == NULL) {
EndOfList = NewEntry;
*Target = NewEntry;
} else {
EndOfList->Next = NewEntry;
EndOfList = NewEntry;
} // if/else
} // if allocated memory for NewEntry
} // if (Value < MaxValue)
} // if is valid hex value
} // for
} // static VOID HandleHexes()
// Convert TimeString (in "HH:MM" format) to a pure-minute format. Values should be
// in the range from 0 (for 00:00, or midnight) to 1439 (for 23:59; aka LAST_MINUTE).
// Any value outside that range denotes an error in the specification. Note that if
// the input is a number that includes no colon, this function will return the original
// number in UINTN form.
static UINTN HandleTime(IN CHAR16 *TimeString) {
UINTN Hour = 0, Minute = 0, TimeLength, i = 0;
TimeLength = StrLen(TimeString);
while (i < TimeLength) {
if (TimeString[i] == L':') {
Hour = Minute;
Minute = 0;
} // if
if ((TimeString[i] >= L'0') && (TimeString[i] <= '9')) {
Minute *= 10;
Minute += (TimeString[i] - L'0');
} // if
i++;
} // while
return (Hour * 60 + Minute);
} // BOOLEAN HandleTime()
static BOOLEAN HandleBoolean(IN CHAR16 **TokenList, IN UINTN TokenCount) {
BOOLEAN TruthValue = TRUE;
if ((TokenCount >= 2) && ((StrCmp(TokenList[1], L"0") == 0) ||
MyStriCmp(TokenList[1], L"false") ||
MyStriCmp(TokenList[1], L"off"))) {
TruthValue = FALSE;
} // if
return TruthValue;
} // BOOLEAN HandleBoolean
// Sets the default boot loader IF the current time is within the bounds
// defined by the third and fourth tokens in the TokenList.
static VOID SetDefaultByTime(IN CHAR16 **TokenList, OUT CHAR16 **Default) {
EFI_STATUS Status;
EFI_TIME CurrentTime;
UINTN StartTime, EndTime, Now;
BOOLEAN SetIt = FALSE;
StartTime = HandleTime(TokenList[2]);
EndTime = HandleTime(TokenList[3]);
if ((StartTime <= LAST_MINUTE) && (EndTime <= LAST_MINUTE)) {
Status = refit_call2_wrapper(GetTime, &CurrentTime, NULL);
if (Status != EFI_SUCCESS)
return;
Now = CurrentTime.Hour * 60 + CurrentTime.Minute;
if (Now > LAST_MINUTE) { // Shouldn't happen; just being paranoid
Print(L"Warning: Impossible system time: %d:%d\n", CurrentTime.Hour, CurrentTime.Minute);
return;
} // if impossible time
if (StartTime < EndTime) { // Time range does NOT cross midnight
if ((Now >= StartTime) && (Now <= EndTime))
SetIt = TRUE;
} else { // Time range DOES cross midnight
if ((Now >= StartTime) && (Now <= EndTime))
SetIt = TRUE;
} // if/else time range crosses midnight
if (SetIt) {
MyFreePool(*Default);
*Default = StrDuplicate(TokenList[1]);
} // if (SetIt)
} // if ((StartTime <= LAST_MINUTE) && (EndTime <= LAST_MINUTE))
} // VOID SetDefaultByTime()
static LOADER_ENTRY * AddPreparedLoaderEntry(LOADER_ENTRY *Entry) {
AddMenuEntry(&MainMenu, (REFIT_MENU_ENTRY *)Entry);
return(Entry);
} // LOADER_ENTRY * AddPreparedLoaderEntry()
// read config file
VOID ReadConfig(CHAR16 *FileName)
{
EFI_STATUS Status;
REFIT_FILE File;
CHAR16 **TokenList;
CHAR16 *FlagName;
CHAR16 *TempStr = NULL;
UINTN TokenCount, i;
// Set a few defaults only if we're loading the default file.
if (MyStriCmp(FileName, GlobalConfig.ConfigFilename)) {
MyFreePool(GlobalConfig.AlsoScan);
GlobalConfig.AlsoScan = StrDuplicate(ALSO_SCAN_DIRS);
MyFreePool(GlobalConfig.DontScanDirs);
if (SelfVolume)
TempStr = GuidAsString(&(SelfVolume->PartGuid));
MergeStrings(&TempStr, SelfDirPath, L':');
MergeStrings(&TempStr, MEMTEST_LOCATIONS, L',');
GlobalConfig.DontScanDirs = TempStr;
MyFreePool(GlobalConfig.DontScanFiles);
GlobalConfig.DontScanFiles = StrDuplicate(DONT_SCAN_FILES);
MyFreePool(GlobalConfig.DontScanTools);
GlobalConfig.DontScanTools = NULL;
MyFreePool(GlobalConfig.DontScanFirmware);
GlobalConfig.DontScanFirmware = NULL;
MergeStrings(&(GlobalConfig.DontScanFiles), MOK_NAMES, L',');
MergeStrings(&(GlobalConfig.DontScanFiles), FWUPDATE_NAMES, L',');
MyFreePool(GlobalConfig.DontScanVolumes);
GlobalConfig.DontScanVolumes = StrDuplicate(DONT_SCAN_VOLUMES);
GlobalConfig.WindowsRecoveryFiles = StrDuplicate(WINDOWS_RECOVERY_FILES);
GlobalConfig.MacOSRecoveryFiles = StrDuplicate(MACOS_RECOVERY_FILES);
MyFreePool(GlobalConfig.DefaultSelection);
GlobalConfig.DefaultSelection = StrDuplicate(L"+");
} // if
if (!FileExists(SelfDir, FileName)) {
Print(L"Configuration file '%s' missing!\n", FileName);
if (!FileExists(SelfDir, L"icons")) {
Print(L"Icons directory doesn't exist; setting textonly = TRUE!\n");
GlobalConfig.TextOnly = TRUE;
}
return;
}
Status = ReadFile(SelfDir, FileName, &File, &i);
if (EFI_ERROR(Status))
return;
for (;;) {
TokenCount = ReadTokenLine(&File, &TokenList);
if (TokenCount == 0)
break;
if (MyStriCmp(TokenList[0], L"timeout")) {
HandleInt(TokenList, TokenCount, &(GlobalConfig.Timeout));
} else if (MyStriCmp(TokenList[0], L"shutdown_after_timeout")) {
GlobalConfig.ShutdownAfterTimeout = HandleBoolean(TokenList, TokenCount);
} else if (MyStriCmp(TokenList[0], L"hideui")) {
for (i = 1; i < TokenCount; i++) {
FlagName = TokenList[i];
if (MyStriCmp(FlagName, L"banner")) {
GlobalConfig.HideUIFlags |= HIDEUI_FLAG_BANNER;
} else if (MyStriCmp(FlagName, L"label")) {
GlobalConfig.HideUIFlags |= HIDEUI_FLAG_LABEL;
} else if (MyStriCmp(FlagName, L"singleuser")) {
GlobalConfig.HideUIFlags |= HIDEUI_FLAG_SINGLEUSER;
} else if (MyStriCmp(FlagName, L"hwtest")) {
GlobalConfig.HideUIFlags |= HIDEUI_FLAG_HWTEST;
} else if (MyStriCmp(FlagName, L"arrows")) {
GlobalConfig.HideUIFlags |= HIDEUI_FLAG_ARROWS;
} else if (MyStriCmp(FlagName, L"hints")) {
GlobalConfig.HideUIFlags |= HIDEUI_FLAG_HINTS;
} else if (MyStriCmp(FlagName, L"editor")) {
GlobalConfig.HideUIFlags |= HIDEUI_FLAG_EDITOR;
} else if (MyStriCmp(FlagName, L"safemode")) {
GlobalConfig.HideUIFlags |= HIDEUI_FLAG_SAFEMODE;
} else if (MyStriCmp(FlagName, L"badges")) {
GlobalConfig.HideUIFlags |= HIDEUI_FLAG_BADGES;
} else if (MyStriCmp(FlagName, L"all")) {
GlobalConfig.HideUIFlags = HIDEUI_FLAG_ALL;
} else {
Print(L" unknown hideui flag: '%s'\n", FlagName);
}
}
} else if (MyStriCmp(TokenList[0], L"icons_dir")) {
HandleString(TokenList, TokenCount, &(GlobalConfig.IconsDir));
} else if (MyStriCmp(TokenList[0], L"scanfor")) {
for (i = 0; i < NUM_SCAN_OPTIONS; i++) {
if (i < TokenCount)
GlobalConfig.ScanFor[i] = TokenList[i][0];
else
GlobalConfig.ScanFor[i] = ' ';
}
} else if (MyStriCmp(TokenList[0], L"use_nvram")) {
GlobalConfig.UseNvram = HandleBoolean(TokenList, TokenCount);
} else if (MyStriCmp(TokenList[0], L"uefi_deep_legacy_scan")) {
GlobalConfig.DeepLegacyScan = HandleBoolean(TokenList, TokenCount);
} else if (MyStriCmp(TokenList[0], L"scan_delay") && (TokenCount == 2)) {
HandleInt(TokenList, TokenCount, &(GlobalConfig.ScanDelay));
} else if (MyStriCmp(TokenList[0], L"log_level") && (TokenCount == 2)) {
HandleInt(TokenList, TokenCount, &(GlobalConfig.LogLevel));
} else if (MyStriCmp(TokenList[0], L"also_scan_dirs")) {
HandleStrings(TokenList, TokenCount, &(GlobalConfig.AlsoScan));
} else if (MyStriCmp(TokenList[0], L"don't_scan_volumes") ||
MyStriCmp(TokenList[0], L"dont_scan_volumes")) {
// Note: Don't use HandleStrings() because it modifies slashes,
// which might be present in volume name
MyFreePool(GlobalConfig.DontScanVolumes);
GlobalConfig.DontScanVolumes = NULL;
for (i = 1; i < TokenCount; i++) {
MergeStrings(&GlobalConfig.DontScanVolumes, TokenList[i], L',');
}
} else if (MyStriCmp(TokenList[0], L"don't_scan_dirs") ||
MyStriCmp(TokenList[0], L"dont_scan_dirs")) {
HandleStrings(TokenList, TokenCount, &(GlobalConfig.DontScanDirs));
} else if (MyStriCmp(TokenList[0], L"don't_scan_files") ||
MyStriCmp(TokenList[0], L"dont_scan_files")) {
HandleStrings(TokenList, TokenCount, &(GlobalConfig.DontScanFiles));
} else if (MyStriCmp(TokenList[0], L"don't_scan_firmware") ||
MyStriCmp(TokenList[0], L"dont_scan_firmware")) {
HandleStrings(TokenList, TokenCount, &(GlobalConfig.DontScanFirmware));
} else if (MyStriCmp(TokenList[0], L"don't_scan_tools") ||
MyStriCmp(TokenList[0], L"dont_scan_tools")) {
HandleStrings(TokenList, TokenCount, &(GlobalConfig.DontScanTools));
} else if (MyStriCmp(TokenList[0], L"windows_recovery_files")) {
HandleStrings(TokenList, TokenCount, &(GlobalConfig.WindowsRecoveryFiles));
} else if (MyStriCmp(TokenList[0], L"scan_driver_dirs")) {
HandleStrings(TokenList, TokenCount, &(GlobalConfig.DriverDirs));
} else if (MyStriCmp(TokenList[0], L"showtools")) {
SetMem(GlobalConfig.ShowTools, NUM_TOOLS * sizeof(UINTN), 0);
GlobalConfig.HiddenTags = FALSE;
for (i = 1; (i < TokenCount) && (i < NUM_TOOLS); i++) {
FlagName = TokenList[i];
if (MyStriCmp(FlagName, L"shell")) {
GlobalConfig.ShowTools[i - 1] = TAG_SHELL;
} else if (MyStriCmp(FlagName, L"gptsync")) {
GlobalConfig.ShowTools[i - 1] = TAG_GPTSYNC;
} else if (MyStriCmp(FlagName, L"gdisk")) {
GlobalConfig.ShowTools[i - 1] = TAG_GDISK;
} else if (MyStriCmp(FlagName, L"about")) {
GlobalConfig.ShowTools[i - 1] = TAG_ABOUT;
} else if (MyStriCmp(FlagName, L"exit")) {
GlobalConfig.ShowTools[i - 1] = TAG_EXIT;
} else if (MyStriCmp(FlagName, L"reboot")) {
GlobalConfig.ShowTools[i - 1] = TAG_REBOOT;
} else if (MyStriCmp(FlagName, L"shutdown")) {
GlobalConfig.ShowTools[i - 1] = TAG_SHUTDOWN;
} else if (MyStriCmp(FlagName, L"install")) {
GlobalConfig.ShowTools[i - 1] = TAG_INSTALL;
} else if (MyStriCmp(FlagName, L"bootorder")) {
GlobalConfig.ShowTools[i - 1] = TAG_BOOTORDER;
} else if (MyStriCmp(FlagName, L"apple_recovery")) {
GlobalConfig.ShowTools[i - 1] = TAG_APPLE_RECOVERY;
} else if (MyStriCmp(FlagName, L"windows_recovery")) {
GlobalConfig.ShowTools[i - 1] = TAG_WINDOWS_RECOVERY;
} else if (MyStriCmp(FlagName, L"mok_tool")) {
GlobalConfig.ShowTools[i - 1] = TAG_MOK_TOOL;
} else if (MyStriCmp(FlagName, L"fwupdate")) {
GlobalConfig.ShowTools[i - 1] = TAG_FWUPDATE_TOOL;
} else if (MyStriCmp(FlagName, L"csr_rotate")) {
GlobalConfig.ShowTools[i - 1] = TAG_CSR_ROTATE;
} else if (MyStriCmp(FlagName, L"firmware")) {
GlobalConfig.ShowTools[i - 1] = TAG_FIRMWARE;
} else if (MyStriCmp(FlagName, L"memtest86") || MyStriCmp(FlagName, L"memtest")) {
GlobalConfig.ShowTools[i - 1] = TAG_MEMTEST;
} else if (MyStriCmp(FlagName, L"netboot")) {
GlobalConfig.ShowTools[i - 1] = TAG_NETBOOT;
} else if (MyStriCmp(FlagName, L"hidden_tags")) {
GlobalConfig.ShowTools[i - 1] = TAG_HIDDEN;
GlobalConfig.HiddenTags = TRUE;
} else {
Print(L" unknown showtools flag: '%s'\n", FlagName);
}
} // showtools options
} else if (MyStriCmp(TokenList[0], L"banner")) {
HandleString(TokenList, TokenCount, &(GlobalConfig.BannerFileName));
} else if (MyStriCmp(TokenList[0], L"banner_scale") && (TokenCount == 2)) {
if (MyStriCmp(TokenList[1], L"noscale")) {
GlobalConfig.BannerScale = BANNER_NOSCALE;
} else if (MyStriCmp(TokenList[1], L"fillscreen") || MyStriCmp(TokenList[1], L"fullscreen")) {
GlobalConfig.BannerScale = BANNER_FILLSCREEN;
} else {
Print(L" unknown banner_type flag: '%s'\n", TokenList[1]);
} // if/else
} else if (MyStriCmp(TokenList[0], L"small_icon_size") && (TokenCount == 2)) {
HandleInt(TokenList, TokenCount, &i);
if (i >= 32) {
GlobalConfig.IconSizes[ICON_SIZE_SMALL] = i;
HaveResized = TRUE;
}
} else if (MyStriCmp(TokenList[0], L"big_icon_size") && (TokenCount == 2)) {
HandleInt(TokenList, TokenCount, &i);
if (i >= 32) {
GlobalConfig.IconSizes[ICON_SIZE_BIG] = i;
GlobalConfig.IconSizes[ICON_SIZE_BADGE] = i / 4;
HaveResized = TRUE;
}
} else if (MyStriCmp(TokenList[0], L"mouse_size") && (TokenCount == 2)) {
HandleInt(TokenList, TokenCount, &i);
if (i >= DEFAULT_MOUSE_SIZE) {
GlobalConfig.IconSizes[ICON_SIZE_MOUSE] = i;
}
} else if (MyStriCmp(TokenList[0], L"selection_small")) {
HandleString(TokenList, TokenCount, &(GlobalConfig.SelectionSmallFileName));
} else if (MyStriCmp(TokenList[0], L"selection_big")) {
HandleString(TokenList, TokenCount, &(GlobalConfig.SelectionBigFileName));
} else if (MyStriCmp(TokenList[0], L"default_selection")) {
if (TokenCount == 4) {
SetDefaultByTime(TokenList, &(GlobalConfig.DefaultSelection));
} else {
HandleString(TokenList, TokenCount, &(GlobalConfig.DefaultSelection));
}
} else if (MyStriCmp(TokenList[0], L"textonly")) {
GlobalConfig.TextOnly = HandleBoolean(TokenList, TokenCount);
} else if (MyStriCmp(TokenList[0], L"textmode")) {
HandleInt(TokenList, TokenCount, &(GlobalConfig.RequestedTextMode));
} else if (MyStriCmp(TokenList[0], L"resolution") && ((TokenCount == 2) || (TokenCount == 3))) {
if (MyStriCmp(TokenList[1], L"max")) {
GlobalConfig.RequestedScreenWidth = MAX_RES_CODE;
GlobalConfig.RequestedScreenHeight = MAX_RES_CODE;
} else {
GlobalConfig.RequestedScreenWidth = Atoi(TokenList[1]);
if (TokenCount == 3)
GlobalConfig.RequestedScreenHeight = Atoi(TokenList[2]);
else
GlobalConfig.RequestedScreenHeight = 0;
}
} else if (MyStriCmp(TokenList[0], L"screensaver")) {
HandleInt(TokenList, TokenCount, &(GlobalConfig.ScreensaverTime));
} else if (MyStriCmp(TokenList[0], L"use_graphics_for")) {
if ((TokenCount == 2) || ((TokenCount > 2) && (!MyStriCmp(TokenList[1], L"+"))))
GlobalConfig.GraphicsFor = 0;
for (i = 1; i < TokenCount; i++) {
if (MyStriCmp(TokenList[i], L"osx")) {
GlobalConfig.GraphicsFor |= GRAPHICS_FOR_OSX;
} else if (MyStriCmp(TokenList[i], L"linux")) {
GlobalConfig.GraphicsFor |= GRAPHICS_FOR_LINUX;
} else if (MyStriCmp(TokenList[i], L"elilo")) {
GlobalConfig.GraphicsFor |= GRAPHICS_FOR_ELILO;
} else if (MyStriCmp(TokenList[i], L"grub")) {
GlobalConfig.GraphicsFor |= GRAPHICS_FOR_GRUB;
} else if (MyStriCmp(TokenList[i], L"windows")) {
GlobalConfig.GraphicsFor |= GRAPHICS_FOR_WINDOWS;
}
} // for (graphics_on tokens)
} else if (MyStriCmp(TokenList[0], L"font") && (TokenCount == 2)) {
egLoadFont(TokenList[1]);
} else if (MyStriCmp(TokenList[0], L"scan_all_linux_kernels")) {
GlobalConfig.ScanAllLinux = HandleBoolean(TokenList, TokenCount);
} else if (MyStriCmp(TokenList[0], L"fold_linux_kernels")) {
GlobalConfig.FoldLinuxKernels = HandleBoolean(TokenList, TokenCount);
} else if (MyStriCmp(TokenList[0], L"extra_kernel_version_strings")) {
HandleStrings(TokenList, TokenCount, &(GlobalConfig.ExtraKernelVersionStrings));
} else if (MyStriCmp(TokenList[0], L"max_tags")) {
HandleInt(TokenList, TokenCount, &(GlobalConfig.MaxTags));
} else if (MyStriCmp(TokenList[0], L"enable_and_lock_vmx")) {
GlobalConfig.EnableAndLockVMX = HandleBoolean(TokenList, TokenCount);
} else if (MyStriCmp(TokenList[0], L"spoof_osx_version")) {
HandleString(TokenList, TokenCount, &(GlobalConfig.SpoofOSXVersion));
} else if (MyStriCmp(TokenList[0], L"csr_values")) {
HandleHexes(TokenList, TokenCount, CSR_MAX_LEGAL_VALUE, &(GlobalConfig.CsrValues));
} else if (MyStriCmp(TokenList[0], L"write_systemd_vars")) {
GlobalConfig.WriteSystemdVars = HandleBoolean(TokenList, TokenCount);
} else if (MyStriCmp(TokenList[0], L"include") && (TokenCount == 2) &&
MyStriCmp(FileName, GlobalConfig.ConfigFilename)) {
if (!MyStriCmp(TokenList[1], FileName)) {
ReadConfig(TokenList[1]);
}
} else if (MyStriCmp(TokenList[0], L"enable_mouse")) {
GlobalConfig.EnableMouse = HandleBoolean(TokenList, TokenCount);
if (GlobalConfig.EnableMouse) {
GlobalConfig.EnableTouch = FALSE;
}
} else if (MyStriCmp(TokenList[0], L"enable_touch")) {
GlobalConfig.EnableTouch = HandleBoolean(TokenList, TokenCount);
if (GlobalConfig.EnableTouch) {
GlobalConfig.EnableMouse = FALSE;
}
} else if (MyStriCmp(TokenList[0], L"mouse_speed") && (TokenCount == 2)) {
HandleInt(TokenList, TokenCount, &i);
if (i < 1)
i = 1;
if (i > 32)
i = 32;
GlobalConfig.MouseSpeed = i;
}
FreeTokenLine(&TokenList, &TokenCount);
}
if ((GlobalConfig.DontScanFiles) && (GlobalConfig.WindowsRecoveryFiles))
MergeStrings(&(GlobalConfig.DontScanFiles), GlobalConfig.WindowsRecoveryFiles, L',');
MyFreePool(File.Buffer);
if (!FileExists(SelfDir, L"icons") && !FileExists(SelfDir, GlobalConfig.IconsDir)) {
Print(L"Icons directory doesn't exist; setting textonly = TRUE!\n");
GlobalConfig.TextOnly = TRUE;
}
} /* VOID ReadConfig() */
static VOID AddSubmenu(LOADER_ENTRY *Entry, REFIT_FILE *File, REFIT_VOLUME *Volume, CHAR16 *Title) {
REFIT_MENU_SCREEN *SubScreen;
LOADER_ENTRY *SubEntry;
UINTN TokenCount;
CHAR16 **TokenList;
SubScreen = InitializeSubScreen(Entry);
// Set defaults for the new entry; will be modified based on lines read from the config. file....
SubEntry = InitializeLoaderEntry(Entry);
if ((SubEntry == NULL) || (SubScreen == NULL))
return;
SubEntry->me.Title = StrDuplicate(Title);
while (((TokenCount = ReadTokenLine(File, &TokenList)) > 0) && (StrCmp(TokenList[0], L"}") != 0)) {
if (MyStriCmp(TokenList[0], L"loader") && (TokenCount > 1)) { // set the boot loader filename
MyFreePool(SubEntry->LoaderPath);
SubEntry->LoaderPath = StrDuplicate(TokenList[1]);
SubEntry->Volume = Volume;
} else if (MyStriCmp(TokenList[0], L"volume") && (TokenCount > 1)) {
if (FindVolume(&Volume, TokenList[1])) {
if ((Volume != NULL) && (Volume->IsReadable) && (Volume->RootDir)) {
MyFreePool(SubEntry->me.Title);
SubEntry->me.Title = PoolPrint(L"Boot %s from %s",
(Title != NULL) ? Title : L"Unknown",
Volume->VolName);
SubEntry->me.BadgeImage = Volume->VolBadgeImage;
SubEntry->Volume = Volume;
} // if volume is readable
} // if match found
} else if (MyStriCmp(TokenList[0], L"initrd")) {
MyFreePool(SubEntry->InitrdPath);
SubEntry->InitrdPath = NULL;
if (TokenCount > 1) {
SubEntry->InitrdPath = StrDuplicate(TokenList[1]);
}
} else if (MyStriCmp(TokenList[0], L"options")) {
MyFreePool(SubEntry->LoadOptions);
SubEntry->LoadOptions = NULL;
if (TokenCount > 1) {
SubEntry->LoadOptions = StrDuplicate(TokenList[1]);
} // if/else
} else if (MyStriCmp(TokenList[0], L"add_options") && (TokenCount > 1)) {
MergeStrings(&SubEntry->LoadOptions, TokenList[1], L' ');
} else if (MyStriCmp(TokenList[0], L"graphics") && (TokenCount > 1)) {
SubEntry->UseGraphicsMode = MyStriCmp(TokenList[1], L"on");
} else if (MyStriCmp(TokenList[0], L"disabled")) {
SubEntry->Enabled = FALSE;
} // ief/elseif
FreeTokenLine(&TokenList, &TokenCount);
} // while()
if (SubEntry->InitrdPath != NULL) {
MergeStrings(&SubEntry->LoadOptions, L"initrd=", L' ');
MergeStrings(&SubEntry->LoadOptions, SubEntry->InitrdPath, 0);
MyFreePool(SubEntry->InitrdPath);
SubEntry->InitrdPath = NULL;
} // if
if (SubEntry->Enabled == TRUE) {
AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
}
Entry->me.SubScreen = SubScreen;
} // VOID AddSubmenu()
// Adds the options from a SINGLE refind.conf stanza to a new loader entry and returns
// that entry. The calling function is then responsible for adding the entry to the
// list of entries.
static LOADER_ENTRY * AddStanzaEntries(REFIT_FILE *File, REFIT_VOLUME *Volume, CHAR16 *Title) {
CHAR16 **TokenList;
UINTN TokenCount;
LOADER_ENTRY *Entry;
BOOLEAN DefaultsSet = FALSE, AddedSubmenu = FALSE;
REFIT_VOLUME *CurrentVolume = Volume, *PreviousVolume;
// prepare the menu entry
Entry = InitializeLoaderEntry(NULL);
if (Entry == NULL)
return NULL;
Entry->Title = StrDuplicate(Title);
Entry->me.Title = AllocateZeroPool(256 * sizeof(CHAR16));
Entry->me.Title = PoolPrint(L"Boot %s from %s",
(Title != NULL) ? Title : L"Unknown",
CurrentVolume->VolName);
Entry->me.Row = 0;
Entry->me.BadgeImage = CurrentVolume->VolBadgeImage;
Entry->Volume = CurrentVolume;
Entry->DiscoveryType = DISCOVERY_TYPE_MANUAL;
// Parse the config file to add options for a single stanza, terminating when the token
// is "}" or when the end of file is reached.
while (((TokenCount = ReadTokenLine(File, &TokenList)) > 0) && (StrCmp(TokenList[0], L"}") != 0)) {
if (MyStriCmp(TokenList[0], L"loader") && (TokenCount > 1)) { // set the boot loader filename
Entry->LoaderPath = StrDuplicate(TokenList[1]);
LOG(1, LOG_LINE_NORMAL, L"Adding manual loader for '%s'", Entry->LoaderPath);
SetLoaderDefaults(Entry, TokenList[1], CurrentVolume);
MyFreePool(Entry->LoadOptions);
Entry->LoadOptions = NULL; // Discard default options, if any
DefaultsSet = TRUE;
} else if (MyStriCmp(TokenList[0], L"volume") && (TokenCount > 1)) {
PreviousVolume = CurrentVolume;
if (FindVolume(&CurrentVolume, TokenList[1])) {
if ((CurrentVolume != NULL) && (CurrentVolume->IsReadable) && (CurrentVolume->RootDir)) {
MyFreePool(Entry->me.Title);
Entry->me.Title = PoolPrint(L"Boot %s from %s",
(Title != NULL) ? Title : L"Unknown",
CurrentVolume->VolName);
Entry->me.BadgeImage = CurrentVolume->VolBadgeImage;
Entry->Volume = CurrentVolume;
} else { // It won't work out; reset to previous working volume....
CurrentVolume = PreviousVolume;
} // if/else volume is readable
} // if match found
} else if (MyStriCmp(TokenList[0], L"icon") && (TokenCount > 1)) {
MyFreePool(Entry->me.Image);
Entry->me.Image = egLoadIcon(CurrentVolume->RootDir, TokenList[1], GlobalConfig.IconSizes[ICON_SIZE_BIG]);
if (Entry->me.Image == NULL) {
Entry->me.Image = DummyImage(GlobalConfig.IconSizes[ICON_SIZE_BIG]);
}
} else if (MyStriCmp(TokenList[0], L"initrd") && (TokenCount > 1)) {
MyFreePool(Entry->InitrdPath);
Entry->InitrdPath = StrDuplicate(TokenList[1]);
} else if (MyStriCmp(TokenList[0], L"options") && (TokenCount > 1)) {
MyFreePool(Entry->LoadOptions);
Entry->LoadOptions = StrDuplicate(TokenList[1]);
} else if (MyStriCmp(TokenList[0], L"ostype") && (TokenCount > 1)) {
if (TokenCount > 1) {
Entry->OSType = TokenList[1][0];
}
} else if (MyStriCmp(TokenList[0], L"graphics") && (TokenCount > 1)) {
Entry->UseGraphicsMode = MyStriCmp(TokenList[1], L"on");
} else if (MyStriCmp(TokenList[0], L"disabled")) {
LOG(1, LOG_LINE_NORMAL, L"Entry is disabled");
Entry->Enabled = FALSE;
} else if (MyStriCmp(TokenList[0], L"firmware_bootnum") && (TokenCount > 1)) {
Entry->EfiBootNum = StrToHex(TokenList[1], 0, 16);
Entry->EfiLoaderPath = NULL;
Entry->LoaderPath = NULL;
MyFreePool(Entry->me.Title);
Entry->me.Title = StrDuplicate(Title);
Entry->me.BadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_EFI);
Entry->me.Tag = TAG_FIRMWARE_LOADER;
} else if (MyStriCmp(TokenList[0], L"submenuentry") && (TokenCount > 1)) {
AddSubmenu(Entry, File, CurrentVolume, TokenList[1]);
AddedSubmenu = TRUE;
} // set options to pass to the loader program
FreeTokenLine(&TokenList, &TokenCount);
} // while()
if (AddedSubmenu)
AddMenuEntry(Entry->me.SubScreen, &MenuEntryReturn);
if (Entry->InitrdPath) {
MergeStrings(&Entry->LoadOptions, L"initrd=", L' ');
MergeStrings(&Entry->LoadOptions, Entry->InitrdPath, 0);
MyFreePool(Entry->InitrdPath);
Entry->InitrdPath = NULL;
} // if
if (!DefaultsSet) {
// user included no "loader" line; use bogus one
SetLoaderDefaults(Entry, L"\\EFI\\BOOT\\nemo.efi", CurrentVolume);
}
return(Entry);
} // static VOID AddStanzaEntries()
// Read the user-configured menu entries from refind.conf and add or delete
// entries based on the contents of that file....
VOID ScanUserConfigured(CHAR16 *FileName)
{
EFI_STATUS Status;
REFIT_FILE File;
REFIT_VOLUME *Volume;
CHAR16 **TokenList;
UINTN TokenCount, size;
LOADER_ENTRY *Entry;
LOG(1, LOG_LINE_THIN_SEP, L"Scanning for user-configured boot stanzas");
if (FileExists(SelfDir, FileName)) {
Status = ReadFile(SelfDir, FileName, &File, &size);
if (EFI_ERROR(Status))
return;
Volume = SelfVolume;
while ((TokenCount = ReadTokenLine(&File, &TokenList)) > 0) {
if (MyStriCmp(TokenList[0], L"menuentry") && (TokenCount > 1)) {
Entry = AddStanzaEntries(&File, Volume, TokenList[1]);
if ((Entry) && (Entry->Enabled)) {
if (Entry->me.SubScreen == NULL)
GenerateSubScreen(Entry, Volume, TRUE);
AddPreparedLoaderEntry(Entry);
} else {
MyFreePool(Entry);
} // if/else
} else if (MyStriCmp(TokenList[0], L"include") && (TokenCount == 2) &&
MyStriCmp(FileName, GlobalConfig.ConfigFilename)) {
if (!MyStriCmp(TokenList[1], FileName)) {
ScanUserConfigured(TokenList[1]);
}
} // if/else if...
FreeTokenLine(&TokenList, &TokenCount);
} // while()
} // if()
} // VOID ScanUserConfigured()
// Create an options file based on /etc/fstab. The resulting file has two options
// lines, one of which boots the system with "ro root={rootfs}" and the other of
// which boots the system with "ro root={rootfs} single", where "{rootfs}" is the
// filesystem identifier associated with the "/" line in /etc/fstab.
static REFIT_FILE * GenerateOptionsFromEtcFstab(REFIT_VOLUME *Volume) {
UINTN TokenCount, i;
REFIT_FILE *Options = NULL, *Fstab = NULL;
EFI_STATUS Status;
CHAR16 **TokenList, *Line, *Root = NULL;
if (FileExists(Volume->RootDir, L"\\etc\\fstab")) {
Options = AllocateZeroPool(sizeof(REFIT_FILE));
Fstab = AllocateZeroPool(sizeof(REFIT_FILE));
Status = ReadFile(Volume->RootDir, L"\\etc\\fstab", Fstab, &i);
if (CheckError(Status, L"while reading /etc/fstab")) {
if (Options != NULL)
FreePool(Options);
if (Fstab != NULL)
FreePool(Fstab);
Options = NULL;
Fstab = NULL;
} else { // File read; locate root fs and create entries
Options->Encoding = ENCODING_UTF16_LE;
while ((TokenCount = ReadTokenLine(Fstab, &TokenList)) > 0) {
LOG(3, LOG_LINE_NORMAL, L"Read line from /etc/fstab holding %d tokens", TokenCount);
if (TokenCount > 2) {
if (StrCmp(TokenList[1], L"\\") == 0) {
Root = PoolPrint(L"%s", TokenList[0]);
} else if (StrCmp(TokenList[2], L"\\") == 0) {
Root = PoolPrint(L"%s=%s", TokenList[0], TokenList[1]);
} // if/elseif/elseif
if (Root && (Root[0] != L'\0')) {
for (i = 0; i < StrLen(Root); i++)
if (Root[i] == '\\')
Root[i] = '/';
Line = PoolPrint(L"\"Boot with normal options\" \"ro root=%s\"\n", Root);
MergeStrings((CHAR16 **) &(Options->Buffer), Line, 0);
MyFreePool(Line);
Line = PoolPrint(L"\"Boot into single-user mode\" \"ro root=%s single\"\n", Root);
MergeStrings((CHAR16**) &(Options->Buffer), Line, 0);
MyFreePool(Line);
Options->BufferSize = StrLen((CHAR16*) Options->Buffer) * sizeof(CHAR16);
} // if
MyFreePool(Root);
Root = NULL;
} // if
FreeTokenLine(&TokenList, &TokenCount);
} // while
if (Options->Buffer) {
Options->Current8Ptr = (CHAR8 *)Options->Buffer;
Options->End8Ptr = Options->Current8Ptr + Options->BufferSize;
Options->Current16Ptr = (CHAR16 *)Options->Buffer;
Options->End16Ptr = Options->Current16Ptr + (Options->BufferSize >> 1);
} else {
MyFreePool(Options);
Options = NULL;
}
MyFreePool(Fstab->Buffer);
MyFreePool(Fstab);
} // if/else file read error
} // if /etc/fstab exists
return Options;
} // GenerateOptionsFromEtcFstab()
// Create options from partition type codes. Specifically, if the earlier
// partition scan found a partition with a type code corresponding to a root
// filesystem according to the Freedesktop.org Discoverable Partitions Spec
// (http://www.freedesktop.org/wiki/Specifications/DiscoverablePartitionsSpec/),
// this function returns an appropriate file with two lines, one with
// "ro root=/dev/disk/by-partuuid/{GUID}" and the other with that plus "single".
// Note that this function returns the LAST partition found with the
// appropriate type code, so this will work poorly on dual-boot systems or
// if the type code is set incorrectly.
static REFIT_FILE * GenerateOptionsFromPartTypes(VOID) {
REFIT_FILE *Options = NULL;
CHAR16 *Line, *GuidString, *WriteStatus;
if (GlobalConfig.DiscoveredRoot) {
Options = AllocateZeroPool(sizeof(REFIT_FILE));
if (Options) {
Options->Encoding = ENCODING_UTF16_LE;
GuidString = GuidAsString(&(GlobalConfig.DiscoveredRoot->PartGuid));
WriteStatus = GlobalConfig.DiscoveredRoot->IsMarkedReadOnly ? L"ro" : L"rw";
ToLower(GuidString);
if (GuidString) {
Line = PoolPrint(L"\"Boot with normal options\" \"%s root=/dev/disk/by-partuuid/%s\"\n",
WriteStatus, GuidString);
MergeStrings((CHAR16 **) &(Options->Buffer), Line, 0);
MyFreePool(Line);
Line = PoolPrint(L"\"Boot into single-user mode\" \"%s root=/dev/disk/by-partuuid/%s single\"\n",
WriteStatus, GuidString);
MergeStrings((CHAR16**) &(Options->Buffer), Line, 0);
MyFreePool(Line);
MyFreePool(GuidString);
} // if (GuidString)
Options->BufferSize = StrLen((CHAR16*) Options->Buffer) * sizeof(CHAR16);
Options->Current8Ptr = (CHAR8 *)Options->Buffer;
Options->End8Ptr = Options->Current8Ptr + Options->BufferSize;
Options->Current16Ptr = (CHAR16 *)Options->Buffer;
Options->End16Ptr = Options->Current16Ptr + (Options->BufferSize >> 1);
} // if (Options allocated OK)
} // if (partition has root GUID)
return Options;
} // REFIT_FILE * GenerateOptionsFromPartTypes()
// Read a Linux kernel options file for a Linux boot loader into memory. The LoaderPath
// and Volume variables identify the location of the options file, but not its name --
// you pass this function the filename of the Linux kernel, initial RAM disk, or other
// file in the target directory, and this function finds the file with a name in the
// comma-delimited list of names specified by LINUX_OPTIONS_FILENAMES within that
// directory and loads it. If a rEFInd options file can't be found, try to generate
// minimal options from /etc/fstab on the same volume as the kernel. This typically
// works only if the kernel is being read from the Linux root filesystem.
//
// The return value is a pointer to the REFIT_FILE handle for the file, or NULL if
// it wasn't found.
REFIT_FILE * ReadLinuxOptionsFile(IN CHAR16 *LoaderPath, IN REFIT_VOLUME *Volume) {
CHAR16 *OptionsFilename, *FullFilename;
BOOLEAN GoOn = TRUE, FileFound = FALSE;
UINTN i = 0, size;
REFIT_FILE *File = NULL;
EFI_STATUS Status;
do {
OptionsFilename = FindCommaDelimited(LINUX_OPTIONS_FILENAMES, i++);
FullFilename = FindPath(LoaderPath);
if ((OptionsFilename != NULL) && (FullFilename != NULL)) {
MergeStrings(&FullFilename, OptionsFilename, '\\');
if (FileExists(Volume->RootDir, FullFilename)) {
File = AllocateZeroPool(sizeof(REFIT_FILE));
Status = ReadFile(Volume->RootDir, FullFilename, File, &size);
if (CheckError(Status, L"while loading the Linux options file")) {
if (File != NULL)
FreePool(File);
File = NULL;
} else {
GoOn = FALSE;
FileFound = TRUE;
} // if/else error
} // if file exists
} else { // a filename string is NULL
GoOn = FALSE;
} // if/else
MyFreePool(OptionsFilename);
MyFreePool(FullFilename);
OptionsFilename = FullFilename = NULL;
} while (GoOn);
if (!FileFound) {
// No refind_linux.conf file; look for /etc/fstab and try to pull values from there....
File = GenerateOptionsFromEtcFstab(Volume);
// If still no joy, try to use Freedesktop.org Discoverable Partitions Spec....
if (!File)
File = GenerateOptionsFromPartTypes();
} // if
return (File);
} // static REFIT_FILE * ReadLinuxOptionsFile()
// Retrieve a single line of options from a Linux kernel options file
CHAR16 * GetFirstOptionsFromFile(IN CHAR16 *LoaderPath, IN REFIT_VOLUME *Volume) {
UINTN TokenCount;
CHAR16 *Options = NULL;
CHAR16 **TokenList;
REFIT_FILE *File;
File = ReadLinuxOptionsFile(LoaderPath, Volume);
if (File != NULL) {
TokenCount = ReadTokenLine(File, &TokenList);
if (TokenCount > 1)
Options = StrDuplicate(TokenList[1]);
FreeTokenLine(&TokenList, &TokenCount);
FreePool(File);
} // if
return Options;
} // static CHAR16 * GetOptionsFile()