3 * Configuration file functions
5 * Copyright (c) 2006 Christoph Pfisterer
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * * Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the
20 * * Neither the name of Christoph Pfisterer nor the names of the
21 * contributors may be used to endorse or promote products derived
22 * from this software without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 * Modifications copyright (c) 2012 Roderick W. Smith
40 * Modifications distributed under the terms of the GNU General Public
41 * License (GPL) version 3 (GPLv3), a copy of which must be distributed
42 * with this source code or binaries made from it.
52 #include "../include/refit_call_wrapper.h"
56 #define LINUX_OPTIONS_FILENAMES L"refind_linux.conf,refind-linux.conf"
57 #define MAXCONFIGFILESIZE (128*1024)
59 #define ENCODING_ISO8859_1 (0)
60 #define ENCODING_UTF8 (1)
61 #define ENCODING_UTF16_LE (2)
63 static REFIT_MENU_ENTRY MenuEntryReturn
= { L
"Return to Main Menu", TAG_RETURN
, 0, 0, 0, NULL
, NULL
, NULL
};
66 // read a file into a buffer
69 EFI_STATUS
ReadFile(IN EFI_FILE_HANDLE BaseDir
, IN CHAR16
*FileName
, IN OUT REFIT_FILE
*File
, OUT UINTN
*size
)
72 EFI_FILE_HANDLE FileHandle
;
73 EFI_FILE_INFO
*FileInfo
;
80 // read the file, allocating a buffer on the way
81 Status
= refit_call5_wrapper(BaseDir
->Open
, BaseDir
, &FileHandle
, FileName
, EFI_FILE_MODE_READ
, 0);
82 SPrint(Message
, 255, L
"while loading the file '%s'", FileName
);
83 if (CheckError(Status
, Message
))
86 FileInfo
= LibFileInfo(FileHandle
);
87 if (FileInfo
== NULL
) {
88 // TODO: print and register the error
89 refit_call1_wrapper(FileHandle
->Close
, FileHandle
);
90 return EFI_LOAD_ERROR
;
92 ReadSize
= FileInfo
->FileSize
;
95 File
->BufferSize
= (UINTN
)ReadSize
;
96 File
->Buffer
= AllocatePool(File
->BufferSize
);
97 if (File
->Buffer
== NULL
) {
99 return EFI_OUT_OF_RESOURCES
;
101 *size
= File
->BufferSize
;
103 Status
= refit_call3_wrapper(FileHandle
->Read
, FileHandle
, &File
->BufferSize
, File
->Buffer
);
104 if (CheckError(Status
, Message
)) {
105 MyFreePool(File
->Buffer
);
107 refit_call1_wrapper(FileHandle
->Close
, FileHandle
);
110 Status
= refit_call1_wrapper(FileHandle
->Close
, FileHandle
);
113 File
->Current8Ptr
= (CHAR8
*)File
->Buffer
;
114 File
->End8Ptr
= File
->Current8Ptr
+ File
->BufferSize
;
115 File
->Current16Ptr
= (CHAR16
*)File
->Buffer
;
116 File
->End16Ptr
= File
->Current16Ptr
+ (File
->BufferSize
>> 1);
119 File
->Encoding
= ENCODING_ISO8859_1
; // default: 1:1 translation of CHAR8 to CHAR16
120 if (File
->BufferSize
>= 4) {
121 if (File
->Buffer
[0] == 0xFF && File
->Buffer
[1] == 0xFE) {
122 // BOM in UTF-16 little endian (or UTF-32 little endian)
123 File
->Encoding
= ENCODING_UTF16_LE
; // use CHAR16 as is
124 File
->Current16Ptr
++;
125 } else if (File
->Buffer
[0] == 0xEF && File
->Buffer
[1] == 0xBB && File
->Buffer
[2] == 0xBF) {
127 File
->Encoding
= ENCODING_UTF8
; // translate from UTF-8 to UTF-16
128 File
->Current8Ptr
+= 3;
129 } else if (File
->Buffer
[1] == 0 && File
->Buffer
[3] == 0) {
130 File
->Encoding
= ENCODING_UTF16_LE
; // use CHAR16 as is
132 // TODO: detect other encodings as they are implemented
139 // get a single line of text from a file
142 static CHAR16
*ReadLine(REFIT_FILE
*File
)
147 if (File
->Buffer
== NULL
)
150 if (File
->Encoding
== ENCODING_ISO8859_1
|| File
->Encoding
== ENCODING_UTF8
) {
152 CHAR8
*p
, *LineStart
, *LineEnd
;
154 p
= File
->Current8Ptr
;
155 if (p
>= File
->End8Ptr
)
159 for (; p
< File
->End8Ptr
; p
++)
160 if (*p
== 13 || *p
== 10)
163 for (; p
< File
->End8Ptr
; p
++)
164 if (*p
!= 13 && *p
!= 10)
166 File
->Current8Ptr
= p
;
168 LineLength
= (UINTN
)(LineEnd
- LineStart
) + 1;
169 Line
= AllocatePool(LineLength
* sizeof(CHAR16
));
174 if (File
->Encoding
== ENCODING_ISO8859_1
) {
175 for (p
= LineStart
; p
< LineEnd
; )
177 } else if (File
->Encoding
== ENCODING_UTF8
) {
178 // TODO: actually handle UTF-8
179 for (p
= LineStart
; p
< LineEnd
; )
184 } else if (File
->Encoding
== ENCODING_UTF16_LE
) {
186 CHAR16
*p
, *LineStart
, *LineEnd
;
188 p
= File
->Current16Ptr
;
189 if (p
>= File
->End16Ptr
)
193 for (; p
< File
->End16Ptr
; p
++)
194 if (*p
== 13 || *p
== 10)
197 for (; p
< File
->End16Ptr
; p
++)
198 if (*p
!= 13 && *p
!= 10)
200 File
->Current16Ptr
= p
;
202 LineLength
= (UINTN
)(LineEnd
- LineStart
) + 1;
203 Line
= AllocatePool(LineLength
* sizeof(CHAR16
));
207 for (p
= LineStart
, q
= Line
; p
< LineEnd
; )
212 return NULL
; // unsupported encoding
217 // Returns FALSE if *p points to the end of a token, TRUE otherwise.
218 // Also modifies *p **IF** the first and second characters are both
219 // quotes ('"'); it deletes one of them.
220 static BOOLEAN
KeepReading(IN OUT CHAR16
*p
, IN OUT BOOLEAN
*IsQuoted
) {
221 BOOLEAN MoreToRead
= FALSE
;
223 // while (*p && *p != '"' && ((*p != ' ' && *p != '\t' && *p != '=' && *p != '#' && *p != ',') || IsQuoted)) {
225 if ((p
== NULL
) || (IsQuoted
== NULL
))
231 if ((*p
!= ' ' && *p
!= '\t' && *p
!= '=' && *p
!= '#' && *p
!= ',') || *IsQuoted
) {
236 Temp
= StrDuplicate(&p
[1]);
243 *IsQuoted
= !(*IsQuoted
);
245 } // if/else second character is a quote
246 } // if first character is a quote
249 } // BOOLEAN KeepReading()
252 // get a line of tokens from a file
254 UINTN
ReadTokenLine(IN REFIT_FILE
*File
, OUT CHAR16
***TokenList
)
256 BOOLEAN LineFinished
, IsQuoted
= FALSE
;
257 CHAR16
*Line
, *Token
, *p
;
258 UINTN TokenCount
= 0;
262 while (TokenCount
== 0) {
263 Line
= ReadLine(File
);
268 LineFinished
= FALSE
;
269 while (!LineFinished
) {
270 // skip whitespace & find start of token
271 while ((*p
== ' ' || *p
== '\t' || *p
== '=' || *p
== ',') && !IsQuoted
)
273 if (*p
== 0 || *p
== '#')
277 IsQuoted
= !IsQuoted
;
283 while (KeepReading(p
, &IsQuoted
)) {
284 if ((*p
== L
'/') && !IsQuoted
) // Switch Unix-style to DOS-style directory separators
288 if (*p
== L
'\0' || *p
== L
'#')
292 AddListElement((VOID
***)TokenList
, &TokenCount
, (VOID
*)StrDuplicate(Token
));
298 } /* ReadTokenLine() */
300 VOID
FreeTokenLine(IN OUT CHAR16
***TokenList
, IN OUT UINTN
*TokenCount
)
302 // TODO: also free the items
303 FreeList((VOID
***)TokenList
, TokenCount
);
306 // handle a parameter with a single integer argument
307 static VOID
HandleInt(IN CHAR16
**TokenList
, IN UINTN TokenCount
, OUT UINTN
*Value
)
310 *Value
= Atoi(TokenList
[1]);
313 // handle a parameter with a single string argument
314 static VOID
HandleString(IN CHAR16
**TokenList
, IN UINTN TokenCount
, OUT CHAR16
**Target
) {
315 if (TokenCount
== 2) {
317 *Target
= StrDuplicate(TokenList
[1]);
319 } // static VOID HandleString()
321 // Handle a parameter with a series of string arguments, to be added to a comma-delimited
322 // list. Passes each token through the CleanUpPathNameSlashes() function to ensure
323 // consistency in subsequent comparisons of filenames.
324 static VOID
HandleStrings(IN CHAR16
**TokenList
, IN UINTN TokenCount
, OUT CHAR16
**Target
) {
327 if (*Target
!= NULL
) {
331 for (i
= 1; i
< TokenCount
; i
++) {
332 CleanUpPathNameSlashes(TokenList
[i
]);
333 MergeStrings(Target
, TokenList
[i
], L
',');
335 } // static VOID HandleStrings()
338 VOID
ReadConfig(CHAR16
*FileName
)
344 CHAR16
*SelfPath
= NULL
;
347 // Set a few defaults only if we're loading the default file.
348 if (StriCmp(FileName
, CONFIG_FILE_NAME
) == 0) {
349 MyFreePool(GlobalConfig
.AlsoScan
);
350 GlobalConfig
.AlsoScan
= StrDuplicate(ALSO_SCAN_DIRS
);
351 // MyFreePool(GlobalConfig.DontScanVolumes);
352 // GlobalConfig.DontScanVolumes = StrDuplicate(L" ");
353 MyFreePool(GlobalConfig
.DontScanDirs
);
354 if (SelfVolume
->VolName
) {
355 SelfPath
= StrDuplicate(SelfVolume
->VolName
);
357 SelfPath
= AllocateZeroPool(256 * sizeof(CHAR16
));
358 SPrint(SelfPath
, 255, L
"fs%d", SelfVolume
->VolNumber
);
360 MergeStrings(&SelfPath
, SelfDirPath
, L
':');
361 GlobalConfig
.DontScanDirs
= SelfPath
;
362 MyFreePool(GlobalConfig
.DontScanFiles
);
363 GlobalConfig
.DontScanFiles
= StrDuplicate(DONT_SCAN_FILES
);
366 if (!FileExists(SelfDir
, FileName
)) {
367 Print(L
"Configuration file '%s' missing!\n", FileName
);
371 Status
= ReadFile(SelfDir
, FileName
, &File
, &i
);
372 if (EFI_ERROR(Status
))
376 TokenCount
= ReadTokenLine(&File
, &TokenList
);
380 if (StriCmp(TokenList
[0], L
"timeout") == 0) {
381 HandleInt(TokenList
, TokenCount
, &(GlobalConfig
.Timeout
));
383 } else if (StriCmp(TokenList
[0], L
"hideui") == 0) {
384 for (i
= 1; i
< TokenCount
; i
++) {
385 FlagName
= TokenList
[i
];
386 if (StriCmp(FlagName
, L
"banner") == 0) {
387 GlobalConfig
.HideUIFlags
|= HIDEUI_FLAG_BANNER
;
388 } else if (StriCmp(FlagName
, L
"label") == 0) {
389 GlobalConfig
.HideUIFlags
|= HIDEUI_FLAG_LABEL
;
390 } else if (StriCmp(FlagName
, L
"singleuser") == 0) {
391 GlobalConfig
.HideUIFlags
|= HIDEUI_FLAG_SINGLEUSER
;
392 } else if (StriCmp(FlagName
, L
"hwtest") == 0) {
393 GlobalConfig
.HideUIFlags
|= HIDEUI_FLAG_HWTEST
;
394 } else if (StriCmp(FlagName
, L
"arrows") == 0) {
395 GlobalConfig
.HideUIFlags
|= HIDEUI_FLAG_ARROWS
;
396 } else if (StriCmp(FlagName
, L
"hints") == 0) {
397 GlobalConfig
.HideUIFlags
|= HIDEUI_FLAG_HINTS
;
398 } else if (StriCmp(FlagName
, L
"editor") == 0) {
399 GlobalConfig
.HideUIFlags
|= HIDEUI_FLAG_EDITOR
;
400 } else if (StriCmp(FlagName
, L
"all") == 0) {
401 GlobalConfig
.HideUIFlags
= HIDEUI_FLAG_ALL
;
403 Print(L
" unknown hideui flag: '%s'\n", FlagName
);
407 } else if (StriCmp(TokenList
[0], L
"icons_dir") == 0) {
408 HandleString(TokenList
, TokenCount
, &(GlobalConfig
.IconsDir
));
410 } else if (StriCmp(TokenList
[0], L
"scanfor") == 0) {
411 for (i
= 0; i
< NUM_SCAN_OPTIONS
; i
++) {
413 GlobalConfig
.ScanFor
[i
] = TokenList
[i
][0];
415 GlobalConfig
.ScanFor
[i
] = ' ';
418 } else if ((StriCmp(TokenList
[0], L
"scan_delay") == 0) && (TokenCount
== 2)) {
419 HandleInt(TokenList
, TokenCount
, &(GlobalConfig
.ScanDelay
));
421 } else if (StriCmp(TokenList
[0], L
"also_scan_dirs") == 0) {
422 HandleStrings(TokenList
, TokenCount
, &(GlobalConfig
.AlsoScan
));
424 } else if ((StriCmp(TokenList
[0], L
"don't_scan_volumes") == 0) || (StriCmp(TokenList
[0], L
"dont_scan_volumes") == 0)) {
425 HandleStrings(TokenList
, TokenCount
, &(GlobalConfig
.AlsoScan
));
426 // Note: Don't use HandleStrings() because it modifies slashes, which might be present in volume name
427 MyFreePool(GlobalConfig
.DontScanVolumes
);
428 GlobalConfig
.DontScanVolumes
= NULL
;
429 for (i
= 1; i
< TokenCount
; i
++) {
430 MergeStrings(&GlobalConfig
.DontScanVolumes
, TokenList
[i
], L
',');
433 } else if ((StriCmp(TokenList
[0], L
"don't_scan_dirs") == 0) || (StriCmp(TokenList
[0], L
"dont_scan_dirs") == 0)) {
434 HandleStrings(TokenList
, TokenCount
, &(GlobalConfig
.DontScanDirs
));
436 } else if ((StriCmp(TokenList
[0], L
"don't_scan_files") == 0) || (StriCmp(TokenList
[0], L
"dont_scan_files") == 0)) {
437 HandleStrings(TokenList
, TokenCount
, &(GlobalConfig
.DontScanFiles
));
439 } else if (StriCmp(TokenList
[0], L
"scan_driver_dirs") == 0) {
440 HandleStrings(TokenList
, TokenCount
, &(GlobalConfig
.DriverDirs
));
442 } else if (StriCmp(TokenList
[0], L
"showtools") == 0) {
443 SetMem(GlobalConfig
.ShowTools
, NUM_TOOLS
* sizeof(UINTN
), 0);
444 for (i
= 1; (i
< TokenCount
) && (i
< NUM_TOOLS
); i
++) {
445 FlagName
= TokenList
[i
];
446 if (StriCmp(FlagName
, L
"shell") == 0) {
447 GlobalConfig
.ShowTools
[i
- 1] = TAG_SHELL
;
448 } else if (StriCmp(FlagName
, L
"gptsync") == 0) {
449 GlobalConfig
.ShowTools
[i
- 1] = TAG_GPTSYNC
;
450 } else if (StriCmp(FlagName
, L
"about") == 0) {
451 GlobalConfig
.ShowTools
[i
- 1] = TAG_ABOUT
;
452 } else if (StriCmp(FlagName
, L
"exit") == 0) {
453 GlobalConfig
.ShowTools
[i
- 1] = TAG_EXIT
;
454 } else if (StriCmp(FlagName
, L
"reboot") == 0) {
455 GlobalConfig
.ShowTools
[i
- 1] = TAG_REBOOT
;
456 } else if (StriCmp(FlagName
, L
"shutdown") == 0) {
457 GlobalConfig
.ShowTools
[i
- 1] = TAG_SHUTDOWN
;
458 } else if (StriCmp(FlagName
, L
"apple_recovery") == 0) {
459 GlobalConfig
.ShowTools
[i
- 1] = TAG_APPLE_RECOVERY
;
460 } else if (StriCmp(FlagName
, L
"mok_tool") == 0) {
461 GlobalConfig
.ShowTools
[i
- 1] = TAG_MOK_TOOL
;
463 Print(L
" unknown showtools flag: '%s'\n", FlagName
);
465 } // showtools options
467 } else if (StriCmp(TokenList
[0], L
"banner") == 0) {
468 HandleString(TokenList
, TokenCount
, &(GlobalConfig
.BannerFileName
));
470 } else if (StriCmp(TokenList
[0], L
"selection_small") == 0) {
471 HandleString(TokenList
, TokenCount
, &(GlobalConfig
.SelectionSmallFileName
));
473 } else if (StriCmp(TokenList
[0], L
"selection_big") == 0) {
474 HandleString(TokenList
, TokenCount
, &(GlobalConfig
.SelectionBigFileName
));
476 } else if (StriCmp(TokenList
[0], L
"default_selection") == 0) {
477 HandleString(TokenList
, TokenCount
, &(GlobalConfig
.DefaultSelection
));
479 } else if (StriCmp(TokenList
[0], L
"textonly") == 0) {
480 if ((TokenCount
>= 2) && (StriCmp(TokenList
[1], L
"0") == 0)) {
481 GlobalConfig
.TextOnly
= FALSE
;
483 GlobalConfig
.TextOnly
= TRUE
;
486 } else if (StriCmp(TokenList
[0], L
"textmode") == 0) {
487 HandleInt(TokenList
, TokenCount
, &(GlobalConfig
.RequestedTextMode
));
489 } else if ((StriCmp(TokenList
[0], L
"resolution") == 0) && ((TokenCount
== 2) || (TokenCount
== 3))) {
490 GlobalConfig
.RequestedScreenWidth
= Atoi(TokenList
[1]);
492 GlobalConfig
.RequestedScreenHeight
= Atoi(TokenList
[2]);
494 GlobalConfig
.RequestedScreenHeight
= 0;
496 } else if (StriCmp(TokenList
[0], L
"use_graphics_for") == 0) {
497 GlobalConfig
.GraphicsFor
= 0;
498 for (i
= 1; i
< TokenCount
; i
++) {
499 if (StriCmp(TokenList
[i
], L
"osx") == 0) {
500 GlobalConfig
.GraphicsFor
|= GRAPHICS_FOR_OSX
;
501 } else if (StriCmp(TokenList
[i
], L
"linux") == 0) {
502 GlobalConfig
.GraphicsFor
|= GRAPHICS_FOR_LINUX
;
503 } else if (StriCmp(TokenList
[i
], L
"elilo") == 0) {
504 GlobalConfig
.GraphicsFor
|= GRAPHICS_FOR_ELILO
;
505 } else if (StriCmp(TokenList
[i
], L
"grub") == 0) {
506 GlobalConfig
.GraphicsFor
|= GRAPHICS_FOR_GRUB
;
507 } else if (StriCmp(TokenList
[i
], L
"windows") == 0) {
508 GlobalConfig
.GraphicsFor
|= GRAPHICS_FOR_WINDOWS
;
510 } // for (graphics_on tokens)
512 } else if (StriCmp(TokenList
[0], L
"scan_all_linux_kernels") == 0) {
513 if ((TokenCount
>= 2) && (StriCmp(TokenList
[1], L
"0") == 0)) {
514 GlobalConfig
.ScanAllLinux
= FALSE
;
516 GlobalConfig
.ScanAllLinux
= TRUE
;
519 } else if (StriCmp(TokenList
[0], L
"max_tags") == 0) {
520 HandleInt(TokenList
, TokenCount
, &(GlobalConfig
.MaxTags
));
522 } else if ((StriCmp(TokenList
[0], L
"include") == 0) && (TokenCount
== 2) && (StriCmp(FileName
, CONFIG_FILE_NAME
) == 0)) {
523 if (StriCmp(TokenList
[1], FileName
) != 0) {
524 ReadConfig(TokenList
[1]);
529 FreeTokenLine(&TokenList
, &TokenCount
);
531 MyFreePool(File
.Buffer
);
532 } /* VOID ReadConfig() */
534 // Finds a volume with the specified Identifier (a volume label or a number
535 // followed by a colon, for the moment). If found, sets *Volume to point to
536 // that volume. If not, leaves it unchanged.
537 // Returns TRUE if a match was found, FALSE if not.
538 static BOOLEAN
FindVolume(REFIT_VOLUME
**Volume
, CHAR16
*Identifier
) {
539 UINTN i
= 0, CountedVolumes
= 0;
541 BOOLEAN Found
= FALSE
;
543 if ((StrLen(Identifier
) >= 2) && (Identifier
[StrLen(Identifier
) - 1] == L
':') &&
544 (Identifier
[0] >= L
'0') && (Identifier
[0] <= L
'9')) {
545 Number
= (INTN
) Atoi(Identifier
);
547 while ((i
< VolumesCount
) && (!Found
)) {
548 if (Number
>= 0) { // User specified a volume by number
549 if (Volumes
[i
]->IsReadable
) {
550 if (CountedVolumes
== Number
) {
551 *Volume
= Volumes
[i
];
556 } else { // User specified a volume by label
557 if (StriCmp(Identifier
, Volumes
[i
]->VolName
) == 0) {
558 *Volume
= Volumes
[i
];
565 } // static VOID FindVolume()
567 static VOID
AddSubmenu(LOADER_ENTRY
*Entry
, REFIT_FILE
*File
, REFIT_VOLUME
*Volume
, CHAR16
*Title
) {
568 REFIT_MENU_SCREEN
*SubScreen
;
569 LOADER_ENTRY
*SubEntry
;
573 SubScreen
= InitializeSubScreen(Entry
);
575 // Set defaults for the new entry; will be modified based on lines read from the config. file....
576 SubEntry
= InitializeLoaderEntry(Entry
);
578 if ((SubEntry
== NULL
) || (SubScreen
== NULL
))
580 SubEntry
->me
.Title
= StrDuplicate(Title
);
582 while (((TokenCount
= ReadTokenLine(File
, &TokenList
)) > 0) && (StriCmp(TokenList
[0], L
"}") != 0)) {
584 if ((StriCmp(TokenList
[0], L
"loader") == 0) && (TokenCount
> 1)) { // set the boot loader filename
585 MyFreePool(SubEntry
->LoaderPath
);
586 SubEntry
->LoaderPath
= StrDuplicate(TokenList
[1]);
587 SubEntry
->DevicePath
= FileDevicePath(Volume
->DeviceHandle
, SubEntry
->LoaderPath
);
589 } else if ((StriCmp(TokenList
[0], L
"volume") == 0) && (TokenCount
> 1)) {
590 if (FindVolume(&Volume
, TokenList
[1])) {
591 MyFreePool(SubEntry
->me
.Title
);
592 SubEntry
->me
.Title
= AllocateZeroPool(256 * sizeof(CHAR16
));
593 SPrint(SubEntry
->me
.Title
, 255, L
"Boot %s from %s", (Title
!= NULL
) ? Title
: L
"Unknown", Volume
->VolName
);
594 SubEntry
->me
.BadgeImage
= Volume
->VolBadgeImage
;
595 SubEntry
->VolName
= Volume
->VolName
;
598 } else if (StriCmp(TokenList
[0], L
"initrd") == 0) {
599 MyFreePool(SubEntry
->InitrdPath
);
600 SubEntry
->InitrdPath
= NULL
;
601 if (TokenCount
> 1) {
602 SubEntry
->InitrdPath
= StrDuplicate(TokenList
[1]);
605 } else if (StriCmp(TokenList
[0], L
"options") == 0) {
606 MyFreePool(SubEntry
->LoadOptions
);
607 SubEntry
->LoadOptions
= NULL
;
608 if (TokenCount
> 1) {
609 SubEntry
->LoadOptions
= StrDuplicate(TokenList
[1]);
612 } else if ((StriCmp(TokenList
[0], L
"add_options") == 0) && (TokenCount
> 1)) {
613 MergeStrings(&SubEntry
->LoadOptions
, TokenList
[1], L
' ');
615 } else if ((StriCmp(TokenList
[0], L
"graphics") == 0) && (TokenCount
> 1)) {
616 SubEntry
->UseGraphicsMode
= (StriCmp(TokenList
[1], L
"on") == 0);
618 } else if (StriCmp(TokenList
[0], L
"disabled") == 0) {
619 SubEntry
->Enabled
= FALSE
;
622 FreeTokenLine(&TokenList
, &TokenCount
);
625 if (SubEntry
->InitrdPath
!= NULL
) {
626 MergeStrings(&SubEntry
->LoadOptions
, L
"initrd=", L
' ');
627 MergeStrings(&SubEntry
->LoadOptions
, SubEntry
->InitrdPath
, 0);
628 MyFreePool(SubEntry
->InitrdPath
);
629 SubEntry
->InitrdPath
= NULL
;
631 if (SubEntry
->Enabled
== TRUE
) {
632 AddMenuEntry(SubScreen
, (REFIT_MENU_ENTRY
*)SubEntry
);
634 Entry
->me
.SubScreen
= SubScreen
;
635 } // VOID AddSubmenu()
637 // Adds the options from a SINGLE refind.conf stanza to a new loader entry and returns
638 // that entry. The calling function is then responsible for adding the entry to the
640 static LOADER_ENTRY
* AddStanzaEntries(REFIT_FILE
*File
, REFIT_VOLUME
*Volume
, CHAR16
*Title
) {
644 BOOLEAN DefaultsSet
= FALSE
, AddedSubmenu
= FALSE
;
645 REFIT_VOLUME
*CurrentVolume
= Volume
;
647 // prepare the menu entry
648 Entry
= InitializeLoaderEntry(NULL
);
652 Entry
->Title
= StrDuplicate(Title
);
653 Entry
->me
.Title
= AllocateZeroPool(256 * sizeof(CHAR16
));
654 SPrint(Entry
->me
.Title
, 255, L
"Boot %s from %s", (Title
!= NULL
) ? Title
: L
"Unknown", CurrentVolume
->VolName
);
656 Entry
->me
.BadgeImage
= CurrentVolume
->VolBadgeImage
;
657 Entry
->VolName
= CurrentVolume
->VolName
;
659 // Parse the config file to add options for a single stanza, terminating when the token
660 // is "}" or when the end of file is reached.
661 while (((TokenCount
= ReadTokenLine(File
, &TokenList
)) > 0) && (StriCmp(TokenList
[0], L
"}") != 0)) {
662 if ((StriCmp(TokenList
[0], L
"loader") == 0) && (TokenCount
> 1)) { // set the boot loader filename
663 Entry
->LoaderPath
= StrDuplicate(TokenList
[1]);
664 Entry
->DevicePath
= FileDevicePath(CurrentVolume
->DeviceHandle
, Entry
->LoaderPath
);
665 SetLoaderDefaults(Entry
, TokenList
[1], CurrentVolume
);
666 MyFreePool(Entry
->LoadOptions
);
667 Entry
->LoadOptions
= NULL
; // Discard default options, if any
670 } else if ((StriCmp(TokenList
[0], L
"volume") == 0) && (TokenCount
> 1)) {
671 if (FindVolume(&CurrentVolume
, TokenList
[1])) {
672 MyFreePool(Entry
->me
.Title
);
673 Entry
->me
.Title
= AllocateZeroPool(256 * sizeof(CHAR16
));
674 SPrint(Entry
->me
.Title
, 255, L
"Boot %s from %s", (Title
!= NULL
) ? Title
: L
"Unknown", CurrentVolume
->VolName
);
675 Entry
->me
.BadgeImage
= CurrentVolume
->VolBadgeImage
;
676 Entry
->VolName
= CurrentVolume
->VolName
;
679 } else if ((StriCmp(TokenList
[0], L
"icon") == 0) && (TokenCount
> 1)) {
680 MyFreePool(Entry
->me
.Image
);
681 Entry
->me
.Image
= LoadIcns(CurrentVolume
->RootDir
, TokenList
[1], 128);
682 if (Entry
->me
.Image
== NULL
) {
683 Entry
->me
.Image
= DummyImage(128);
686 } else if ((StriCmp(TokenList
[0], L
"initrd") == 0) && (TokenCount
> 1)) {
687 MyFreePool(Entry
->InitrdPath
);
688 Entry
->InitrdPath
= StrDuplicate(TokenList
[1]);
690 } else if ((StriCmp(TokenList
[0], L
"options") == 0) && (TokenCount
> 1)) {
691 MyFreePool(Entry
->LoadOptions
);
692 Entry
->LoadOptions
= StrDuplicate(TokenList
[1]);
694 } else if ((StriCmp(TokenList
[0], L
"ostype") == 0) && (TokenCount
> 1)) {
695 if (TokenCount
> 1) {
696 Entry
->OSType
= TokenList
[1][0];
699 } else if ((StriCmp(TokenList
[0], L
"graphics") == 0) && (TokenCount
> 1)) {
700 Entry
->UseGraphicsMode
= (StriCmp(TokenList
[1], L
"on") == 0);
702 } else if (StriCmp(TokenList
[0], L
"disabled") == 0) {
703 Entry
->Enabled
= FALSE
;
705 } else if ((StriCmp(TokenList
[0], L
"submenuentry") == 0) && (TokenCount
> 1)) {
706 AddSubmenu(Entry
, File
, CurrentVolume
, TokenList
[1]);
709 } // set options to pass to the loader program
710 FreeTokenLine(&TokenList
, &TokenCount
);
714 AddMenuEntry(Entry
->me
.SubScreen
, &MenuEntryReturn
);
716 if (Entry
->InitrdPath
) {
717 MergeStrings(&Entry
->LoadOptions
, L
"initrd=", L
' ');
718 MergeStrings(&Entry
->LoadOptions
, Entry
->InitrdPath
, 0);
719 MyFreePool(Entry
->InitrdPath
);
720 Entry
->InitrdPath
= NULL
;
724 SetLoaderDefaults(Entry
, L
"\\EFI\\BOOT\\nemo.efi", CurrentVolume
); // user included no entry; use bogus one
727 } // static VOID AddStanzaEntries()
729 // Read the user-configured menu entries from refind.conf and add or delete
730 // entries based on the contents of that file....
731 VOID
ScanUserConfigured(VOID
)
735 REFIT_VOLUME
*Volume
;
737 CHAR16
*Title
= NULL
;
738 UINTN TokenCount
, size
;
741 if (FileExists(SelfDir
, CONFIG_FILE_NAME
)) {
742 Status
= ReadFile(SelfDir
, CONFIG_FILE_NAME
, &File
, &size
);
743 if (EFI_ERROR(Status
))
748 while ((TokenCount
= ReadTokenLine(&File
, &TokenList
)) > 0) {
749 if ((StriCmp(TokenList
[0], L
"menuentry") == 0) && (TokenCount
> 1)) {
750 Title
= StrDuplicate(TokenList
[1]);
751 Entry
= AddStanzaEntries(&File
, Volume
, TokenList
[1]);
752 if (Entry
->Enabled
) {
753 if (Entry
->me
.SubScreen
== NULL
)
754 GenerateSubScreen(Entry
, Volume
);
755 AddPreparedLoaderEntry(Entry
);
761 FreeTokenLine(&TokenList
, &TokenCount
);
764 } // VOID ScanUserConfigured()
766 // Read a Linux kernel options file for a Linux boot loader into memory. The LoaderPath
767 // and Volume variables identify the location of the options file, but not its name --
768 // you pass this function the filename of the Linux kernel, initial RAM disk, or other
769 // file in the target directory, and this function finds the file with a name in the
770 // comma-delimited list of names specified by LINUX_OPTIONS_FILENAMES within that
771 // directory and loads it. This function tries multiple files because I originally
772 // used the filename linux.conf, but close on the heels of that decision, the Linux
773 // kernel developers decided to use that name for a similar purpose, but with a
774 // different file format. Thus, I'm migrating rEFInd to use the name refind_linux.conf,
775 // but I want a migration period in which both names are used.
777 // The return value is a pointer to the REFIT_FILE handle for the file, or NULL if
779 REFIT_FILE
* ReadLinuxOptionsFile(IN CHAR16
*LoaderPath
, IN REFIT_VOLUME
*Volume
) {
780 CHAR16
*OptionsFilename
, *FullFilename
;
783 REFIT_FILE
*File
= NULL
;
787 OptionsFilename
= FindCommaDelimited(LINUX_OPTIONS_FILENAMES
, i
++);
788 FullFilename
= FindPath(LoaderPath
);
789 if ((OptionsFilename
!= NULL
) && (FullFilename
!= NULL
)) {
790 MergeStrings(&FullFilename
, OptionsFilename
, '\\');
791 if (FileExists(Volume
->RootDir
, FullFilename
)) {
792 File
= AllocateZeroPool(sizeof(REFIT_FILE
));
793 Status
= ReadFile(Volume
->RootDir
, FullFilename
, File
, &size
);
795 if (CheckError(Status
, L
"while loading the Linux options file")) {
802 } else { // a filename string is NULL
805 MyFreePool(OptionsFilename
);
806 MyFreePool(FullFilename
);
807 OptionsFilename
= FullFilename
= NULL
;
810 } // static REFIT_FILE * ReadLinuxOptionsFile()
812 // Retrieve a single line of options from a Linux kernel options file
813 CHAR16
* GetFirstOptionsFromFile(IN CHAR16
*LoaderPath
, IN REFIT_VOLUME
*Volume
) {
815 CHAR16
*Options
= NULL
;
819 File
= ReadLinuxOptionsFile(LoaderPath
, Volume
);
821 TokenCount
= ReadTokenLine(File
, &TokenList
);
823 Options
= StrDuplicate(TokenList
[1]);
824 FreeTokenLine(&TokenList
, &TokenCount
);
828 } // static CHAR16 * GetOptionsFile()