/*
- * refit/lib.c
+ * refind/lib.c
* General library functions
*
* Copyright (c) 2006-2009 Christoph Pfisterer
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
- * Modifications copyright (c) 2012 Roderick W. Smith
- *
+ * Modifications copyright (c) 2012-2015 Roderick W. Smith
+ *
* Modifications distributed under the terms of the GNU General Public
* License (GPL) version 3 (GPLv3), a copy of which must be distributed
* with this source code or binaries made from it.
- *
+ *
*/
#include "global.h"
#include "screen.h"
#include "../include/refit_call_wrapper.h"
#include "../include/RemovableMedia.h"
-//#include "../include/UsbMass.h"
+#include "gpt.h"
+#include "config.h"
+#include "../EfiLib/LegacyBios.h"
#ifdef __MAKEWITH_GNUEFI
#define EfiReallocatePool ReallocatePool
#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"
#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
+#define BTRFS_SIGNATURE "_BHRfS_M"
+#define XFS_SIGNATURE "XFSB"
+#define NTFS_SIGNATURE "NTFS "
// variables
REFIT_VOLUME *SelfVolume = NULL;
REFIT_VOLUME **Volumes = NULL;
UINTN VolumesCount = 0;
+extern GPT_DATA *gPartitions;
// Maximum size for disk sectors
#define SECTOR_SIZE 4096
// isn't present.
VOID CleanUpPathNameSlashes(IN OUT CHAR16 *PathName) {
CHAR16 *NewName;
- UINTN i, FinalChar = 0;
+ UINTN i, Length, FinalChar = 0;
BOOLEAN LastWasSlash = FALSE;
- NewName = AllocateZeroPool(sizeof(CHAR16) * (StrLen(PathName) + 2));
+ Length = StrLen(PathName);
+ NewName = AllocateZeroPool(sizeof(CHAR16) * (Length + 2));
if (NewName != NULL) {
for (i = 0; i < StrLen(PathName); i++) {
if ((PathName[i] == L'/') || (PathName[i] == L'\\')) {
// find the current directory
DevicePathAsString = DevicePathToStr(SelfLoadedImage->FilePath);
+ GlobalConfig.SelfDevicePath = FileDevicePath(SelfLoadedImage->DeviceHandle, DevicePathAsString);
CleanUpPathNameSlashes(DevicePathAsString);
MyFreePool(SelfDirPath);
Temp = FindPath(DevicePathAsString);
// called before running external programs to close open file handles
VOID UninitRefitLib(VOID)
{
+ // This piece of code was made to correspond to weirdness in ReinitRefitLib().
+ // See the comment on it there.
+ if(SelfRootDir == SelfVolume->RootDir)
+ SelfRootDir=0;
+
UninitVolumes();
if (SelfDir != NULL) {
}
//
-// list functions
+// EFI variable read and write functions
//
-VOID CreateList(OUT VOID ***ListPtr, OUT UINTN *ElementCount, IN UINTN InitialElementCount)
-{
- UINTN AllocateCount;
+// From gummiboot: Retrieve a raw EFI variable.
+// Returns EFI status
+EFI_STATUS EfivarGetRaw(EFI_GUID *vendor, CHAR16 *name, CHAR8 **buffer, UINTN *size) {
+ CHAR8 *buf;
+ UINTN l;
+ EFI_STATUS err;
+
+ l = sizeof(CHAR16 *) * EFI_MAXIMUM_VARIABLE_SIZE;
+ buf = AllocatePool(l);
+ if (!buf)
+ return EFI_OUT_OF_RESOURCES;
+
+ err = refit_call5_wrapper(RT->GetVariable, name, vendor, NULL, &l, buf);
+ if (EFI_ERROR(err) == EFI_SUCCESS) {
+ *buffer = buf;
+ if (size)
+ *size = l;
+ } else
+ MyFreePool(buf);
+ return err;
+} // EFI_STATUS EfivarGetRaw()
+
+// From gummiboot: Set an EFI variable
+EFI_STATUS EfivarSetRaw(EFI_GUID *vendor, CHAR16 *name, CHAR8 *buf, UINTN size, BOOLEAN persistent) {
+ UINT32 flags;
+
+ flags = EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS;
+ if (persistent)
+ flags |= EFI_VARIABLE_NON_VOLATILE;
+
+ return refit_call5_wrapper(RT->SetVariable, name, vendor, flags, size, buf);
+} // EFI_STATUS EfivarSetRaw()
- *ElementCount = InitialElementCount;
- if (*ElementCount > 0) {
- AllocateCount = (*ElementCount + 7) & ~7; // next multiple of 8
- *ListPtr = AllocatePool(sizeof(VOID *) * AllocateCount);
- } else {
- *ListPtr = NULL;
- }
-}
+//
+// list functions
+//
VOID AddListElement(IN OUT VOID ***ListPtr, IN OUT UINTN *ElementCount, IN VOID *NewElement)
{
UINTN AllocateCount;
- if ((*ElementCount & 7) == 0) {
- AllocateCount = *ElementCount + 8;
+ if ((*ElementCount & 15) == 0) {
+ AllocateCount = *ElementCount + 16;
if (*ElementCount == 0)
*ListPtr = AllocatePool(sizeof(VOID *) * AllocateCount);
else
}
} // VOID FreeList()
-//
-// firmware device path discovery
-//
-
-static UINT8 LegacyLoaderMediaPathData[] = {
- 0x04, 0x06, 0x14, 0x00, 0xEB, 0x85, 0x05, 0x2B,
- 0xB8, 0xD8, 0xA9, 0x49, 0x8B, 0x8C, 0xE2, 0x1B,
- 0x01, 0xAE, 0xF2, 0xB7, 0x7F, 0xFF, 0x04, 0x00,
-};
-static EFI_DEVICE_PATH *LegacyLoaderMediaPath = (EFI_DEVICE_PATH *)LegacyLoaderMediaPathData;
-
-VOID ExtractLegacyLoaderPaths(EFI_DEVICE_PATH **PathList, UINTN MaxPaths, EFI_DEVICE_PATH **HardcodedPathList)
-{
- EFI_STATUS Status;
- UINTN HandleCount = 0;
- UINTN HandleIndex, HardcodedIndex;
- EFI_HANDLE *Handles;
- EFI_HANDLE Handle;
- UINTN PathCount = 0;
- UINTN PathIndex;
- EFI_LOADED_IMAGE *LoadedImage;
- EFI_DEVICE_PATH *DevicePath;
- BOOLEAN Seen;
-
- MaxPaths--; // leave space for the terminating NULL pointer
-
- // get all LoadedImage handles
- Status = LibLocateHandle(ByProtocol, &LoadedImageProtocol, NULL, &HandleCount, &Handles);
- if (CheckError(Status, L"while listing LoadedImage handles")) {
- if (HardcodedPathList) {
- for (HardcodedIndex = 0; HardcodedPathList[HardcodedIndex] && PathCount < MaxPaths; HardcodedIndex++)
- PathList[PathCount++] = HardcodedPathList[HardcodedIndex];
- }
- PathList[PathCount] = NULL;
- return;
- }
- for (HandleIndex = 0; HandleIndex < HandleCount && PathCount < MaxPaths; HandleIndex++) {
- Handle = Handles[HandleIndex];
-
- Status = refit_call3_wrapper(BS->HandleProtocol, Handle, &LoadedImageProtocol, (VOID **) &LoadedImage);
- if (EFI_ERROR(Status))
- continue; // This can only happen if the firmware scewed up, ignore it.
-
- Status = refit_call3_wrapper(BS->HandleProtocol, LoadedImage->DeviceHandle, &DevicePathProtocol, (VOID **) &DevicePath);
- if (EFI_ERROR(Status))
- continue; // This happens, ignore it.
-
- // Only grab memory range nodes
- if (DevicePathType(DevicePath) != HARDWARE_DEVICE_PATH || DevicePathSubType(DevicePath) != HW_MEMMAP_DP)
- continue;
-
- // Check if we have this device path in the list already
- // WARNING: This assumes the first node in the device path is unique!
- Seen = FALSE;
- for (PathIndex = 0; PathIndex < PathCount; PathIndex++) {
- if (DevicePathNodeLength(DevicePath) != DevicePathNodeLength(PathList[PathIndex]))
- continue;
- if (CompareMem(DevicePath, PathList[PathIndex], DevicePathNodeLength(DevicePath)) == 0) {
- Seen = TRUE;
- break;
- }
- }
- if (Seen)
- continue;
-
- PathList[PathCount++] = AppendDevicePath(DevicePath, LegacyLoaderMediaPath);
- }
- MyFreePool(Handles);
-
- if (HardcodedPathList) {
- for (HardcodedIndex = 0; HardcodedPathList[HardcodedIndex] && PathCount < MaxPaths; HardcodedIndex++)
- PathList[PathCount++] = HardcodedPathList[HardcodedIndex];
- }
- PathList[PathCount] = NULL;
-}
-
//
// volume functions
//
CHAR16 *retval = NULL;
switch (TypeCode) {
+ case FS_TYPE_WHOLEDISK:
+ retval = L" whole disk";
+ break;
case FS_TYPE_FAT:
retval = L" FAT";
break;
case FS_TYPE_REISERFS:
retval = L" ReiserFS";
break;
+ case FS_TYPE_BTRFS:
+ retval = L" Btrfs";
+ break;
+ case FS_TYPE_XFS:
+ retval = L" XFS";
+ break;
case FS_TYPE_ISO9660:
retval = L" ISO-9660";
break;
+ case FS_TYPE_NTFS:
+ retval = L" NTFS";
+ break;
default:
retval = L"";
break;
return retval;
} // CHAR16 *FSTypeName()
-// Identify the filesystem type, if possible. Expects a Buffer containing
-// the first few (normally 4096) bytes of the filesystem, and outputs a
-// code representing the identified filesystem type.
-static UINT32 IdentifyFilesystemType(IN UINT8 *Buffer, IN UINTN BufferSize) {
- UINT32 FoundType = FS_TYPE_UNKNOWN;
+// Identify the filesystem type and record the filesystem's UUID/serial number,
+// if possible. Expects a Buffer containing the first few (normally at least
+// 4096) bytes of the filesystem. Sets the filesystem type code in Volume->FSType
+// and the UUID/serial number in Volume->VolUuid. Note that the UUID value is
+// recognized differently for each filesystem, and is currently supported only
+// for NTFS, ext2/3/4fs, and ReiserFS (and for NTFS it's really a 64-bit serial
+// number not a UUID or GUID). If the UUID can't be determined, it's set to 0.
+// Also, the UUID is just read directly into memory; it is *NOT* valid when
+// displayed by GuidAsString() or used in other GUID/UUID-manipulating
+// functions. (As I write, it's being used merely to detect partitions that are
+// part of a RAID 1 array.)
+static VOID SetFilesystemData(IN UINT8 *Buffer, IN UINTN BufferSize, IN OUT REFIT_VOLUME *Volume) {
UINT32 *Ext2Incompat, *Ext2Compat;
UINT16 *Magic16;
char *MagicString;
+ EFI_FILE *RootDir;
- if (Buffer != NULL) {
-
- if (BufferSize >= 512) {
- Magic16 = (UINT16*) (Buffer + 510);
- if (*Magic16 == FAT_MAGIC)
- return FS_TYPE_FAT;
- } // search for FAT magic
+ if ((Buffer != NULL) && (Volume != NULL)) {
+ SetMem(&(Volume->VolUuid), sizeof(EFI_GUID), 0);
+ Volume->FSType = FS_TYPE_UNKNOWN;
if (BufferSize >= (1024 + 100)) {
Magic16 = (UINT16*) (Buffer + 1024 + 56);
Ext2Compat = (UINT32*) (Buffer + 1024 + 92);
Ext2Incompat = (UINT32*) (Buffer + 1024 + 96);
if ((*Ext2Incompat & 0x0040) || (*Ext2Incompat & 0x0200)) { // check for extents or flex_bg
- return FS_TYPE_EXT4;
+ Volume->FSType = FS_TYPE_EXT4;
} else if (*Ext2Compat & 0x0004) { // check for journal
- return FS_TYPE_EXT3;
+ Volume->FSType = FS_TYPE_EXT3;
} else { // none of these features; presume it's ext2...
- return FS_TYPE_EXT2;
+ Volume->FSType = FS_TYPE_EXT2;
}
+ CopyMem(&(Volume->VolUuid), Buffer + 1024 + 104, sizeof(EFI_GUID));
+ return;
}
} // search for ext2/3/4 magic
- if (BufferSize >= (65536 + 62)) {
+ if (BufferSize >= (65536 + 100)) {
MagicString = (char*) (Buffer + 65536 + 52);
if ((CompareMem(MagicString, REISERFS_SUPER_MAGIC_STRING, 8) == 0) ||
(CompareMem(MagicString, REISER2FS_SUPER_MAGIC_STRING, 9) == 0) ||
(CompareMem(MagicString, REISER2FS_JR_SUPER_MAGIC_STRING, 9) == 0)) {
- return FS_TYPE_REISERFS;
+ Volume->FSType = FS_TYPE_REISERFS;
+ CopyMem(&(Volume->VolUuid), Buffer + 65536 + 84, sizeof(EFI_GUID));
+ return;
} // if
} // search for ReiserFS magic
+ if (BufferSize >= (65536 + 64 + 8)) {
+ MagicString = (char*) (Buffer + 65536 + 64);
+ if (CompareMem(MagicString, BTRFS_SIGNATURE, 8) == 0) {
+ Volume->FSType = FS_TYPE_BTRFS;
+ return;
+ } // if
+ } // search for Btrfs magic
+
+ if (BufferSize >= 512) {
+ MagicString = (char*) Buffer;
+ if (CompareMem(MagicString, XFS_SIGNATURE, 4) == 0) {
+ Volume->FSType = FS_TYPE_XFS;
+ return;
+ }
+ } // search for XFS magic
+
if (BufferSize >= (1024 + 2)) {
Magic16 = (UINT16*) (Buffer + 1024);
if ((*Magic16 == HFSPLUS_MAGIC1) || (*Magic16 == HFSPLUS_MAGIC2)) {
- return FS_TYPE_HFSPLUS;
+ Volume->FSType = FS_TYPE_HFSPLUS;
+ return;
}
} // search for HFS+ magic
- } // if (Buffer != NULL)
- return FoundType;
-}
+ if (BufferSize >= 512) {
+ // Search for NTFS, FAT, and MBR/EBR.
+ // These all have 0xAA55 at the end of the first sector, but FAT and
+ // MBR/EBR are not easily distinguished. Thus, we first look for NTFS
+ // "magic"; then check to see if the volume can be mounted, thus
+ // relying on the EFI's built-in FAT driver to identify FAT; and then
+ // check to see if the "volume" is in fact a whole-disk device.
+ Magic16 = (UINT16*) (Buffer + 510);
+ if (*Magic16 == FAT_MAGIC) {
+ MagicString = (char*) (Buffer + 3);
+ if (CompareMem(MagicString, NTFS_SIGNATURE, 8) == 0) {
+ Volume->FSType = FS_TYPE_NTFS;
+ CopyMem(&(Volume->VolUuid), Buffer + 0x48, sizeof(UINT64));
+ } else {
+ RootDir = LibOpenRoot(Volume->DeviceHandle);
+ if (RootDir != NULL) {
+ Volume->FSType = FS_TYPE_FAT;
+ } else if (!Volume->BlockIO->Media->LogicalPartition) {
+ Volume->FSType = FS_TYPE_WHOLEDISK;
+ } // if/elseif/else
+ } // if/else
+ return;
+ } // if
+ } // search for FAT and NTFS magic
+
+ // If no other filesystem is identified and block size is right, assume
+ // it's ISO-9660....
+ if (Volume->BlockIO->Media->BlockSize == 2048) {
+ Volume->FSType = FS_TYPE_ISO9660;
+ return;
+ }
+
+ } // if ((Buffer != NULL) && (Volume != NULL))
+
+} // UINT32 SetFilesystemData()
static VOID ScanVolumeBootcode(REFIT_VOLUME *Volume, BOOLEAN *Bootable)
{
UINT8 Buffer[SAMPLE_SIZE];
UINTN i;
MBR_PARTITION_INFO *MbrTable;
- BOOLEAN MbrTableFound;
+ BOOLEAN MbrTableFound = FALSE;
Volume->HasBootCode = FALSE;
Volume->OSIconName = NULL;
Volume->BlockIO, Volume->BlockIO->Media->MediaId,
Volume->BlockIOOffset, SAMPLE_SIZE, Buffer);
if (!EFI_ERROR(Status)) {
-
- Volume->FSType = IdentifyFilesystemType(Buffer, SAMPLE_SIZE);
- if (*((UINT16 *)(Buffer + 510)) == 0xaa55 && Buffer[0] != 0) {
+ SetFilesystemData(Buffer, SAMPLE_SIZE, Volume);
+ }
+ if ((Status == EFI_SUCCESS) && (GlobalConfig.LegacyType == LEGACY_TYPE_MAC)) {
+ if ((*((UINT16 *)(Buffer + 510)) == 0xaa55 && Buffer[0] != 0) && (FindMem(Buffer, 512, "EXFAT", 5) == -1)) {
*Bootable = TRUE;
Volume->HasBootCode = TRUE;
}
Volume->OSIconName = L"grub,linux";
Volume->OSName = L"Linux";
-// // Below doesn't produce a bootable entry, so commented out for the moment....
-// // GRUB in BIOS boot partition:
-// } else if (FindMem(Buffer, 512, "Geom\0Read\0 Error", 16) >= 0) {
-// Volume->HasBootCode = TRUE;
-// Volume->OSIconName = L"grub,linux";
-// Volume->OSName = L"Linux";
-// Volume->VolName = L"BIOS Boot Partition";
-// *Bootable = TRUE;
-
} else if ((*((UINT32 *)(Buffer + 502)) == 0 &&
*((UINT32 *)(Buffer + 506)) == 50000 &&
*((UINT16 *)(Buffer + 510)) == 0xaa55) ||
Volume->OSIconName = L"freebsd";
Volume->OSName = L"FreeBSD";
+ // If more differentiation needed, also search for
+ // "Invalid partition table" &/or "Missing boot loader".
+ } else if ((*((UINT16 *)(Buffer + 510)) == 0xaa55) &&
+ (FindMem(Buffer, SECTOR_SIZE, "Boot loader too large", 21) >= 0) &&
+ (FindMem(Buffer, SECTOR_SIZE, "I/O error loading boot loader", 29) >= 0)) {
+ Volume->HasBootCode = TRUE;
+ Volume->OSIconName = L"freebsd";
+ Volume->OSName = L"FreeBSD";
+
} else if (FindMem(Buffer, 512, "!Loading", 8) >= 0 ||
FindMem(Buffer, SECTOR_SIZE, "/cdboot\0/CDBOOT\0", 16) >= 0) {
Volume->HasBootCode = TRUE;
Volume->OSIconName = L"netbsd";
Volume->OSName = L"NetBSD";
+ // Windows NT/200x/XP
} else if (FindMem(Buffer, SECTOR_SIZE, "NTLDR", 5) >= 0) {
Volume->HasBootCode = TRUE;
Volume->OSIconName = L"win";
Volume->OSName = L"Windows";
+ // Windows Vista/7/8
} else if (FindMem(Buffer, SECTOR_SIZE, "BOOTMGR", 7) >= 0) {
Volume->HasBootCode = TRUE;
- Volume->OSIconName = L"winvista,win";
+ Volume->OSIconName = L"win8,win";
Volume->OSName = L"Windows";
} else if (FindMem(Buffer, 512, "CPUBOOT SYS", 11) >= 0 ||
}
// NOTE: If you add an operating system with a name that starts with 'W' or 'L', you
- // need to fix AddLegacyEntry in main.c.
+ // need to fix AddLegacyEntry in refind/legacy.c.
#if REFIT_DEBUG > 0
Print(L" Result of bootcode detection: %s %s (%s)\n",
// check for MBR partition table
if (*((UINT16 *)(Buffer + 510)) == 0xaa55) {
- MbrTableFound = FALSE;
MbrTable = (MBR_PARTITION_INFO *)(Buffer + 446);
for (i = 0; i < 4; i++)
if (MbrTable[i].StartLBA && MbrTable[i].Size)
}
} /* VOID ScanVolumeBootcode() */
-// default volume badge icon based on disk kind
-static VOID ScanVolumeDefaultIcon(IN OUT REFIT_VOLUME *Volume)
+// Set default volume badge icon based on /.VolumeBadge.{icns|png} file or disk kind
+VOID SetVolumeBadgeIcon(REFIT_VOLUME *Volume)
{
- switch (Volume->DiskKind) {
- case DISK_KIND_INTERNAL:
- Volume->VolBadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_INTERNAL);
- break;
- case DISK_KIND_EXTERNAL:
- Volume->VolBadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_EXTERNAL);
- break;
- case DISK_KIND_OPTICAL:
- Volume->VolBadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_OPTICAL);
- break;
- } // switch()
-}
+ if (GlobalConfig.HideUIFlags & HIDEUI_FLAG_BADGES)
+ return;
+
+ if (Volume->VolBadgeImage == NULL) {
+ Volume->VolBadgeImage = egLoadIconAnyType(Volume->RootDir, L"", L".VolumeBadge", GlobalConfig.IconSizes[ICON_SIZE_BADGE]);
+ }
+
+ if (Volume->VolBadgeImage == NULL) {
+ switch (Volume->DiskKind) {
+ case DISK_KIND_INTERNAL:
+ Volume->VolBadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_INTERNAL);
+ break;
+ case DISK_KIND_EXTERNAL:
+ Volume->VolBadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_EXTERNAL);
+ break;
+ case DISK_KIND_OPTICAL:
+ Volume->VolBadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_OPTICAL);
+ break;
+ case DISK_KIND_NET:
+ Volume->VolBadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_NET);
+ break;
+ } // switch()
+ }
+} // VOID SetVolumeBadgeIcon()
// Return a string representing the input size in IEEE-1541 units.
// The calling function is responsible for freeing the allocated memory.
SPrint(TheValue, 255, L"%ld%s", SizeInIeee, Units);
} // if
return TheValue;
-} // CHAR16 *SizeInSIUnits()
+} // CHAR16 *SizeInIEEEUnits()
// Return a name for the volume. Ideally this should be the label for the
-// filesystem it contains, but this function falls back to describing the
+// filesystem or volume, but this function falls back to describing the
// filesystem by size (200 MiB, etc.) and/or type (ext2, HFS+, etc.), if
// this information can be extracted.
// The calling function is responsible for freeing the memory allocated
// for the name string.
-static CHAR16 *GetVolumeName(IN REFIT_VOLUME *Volume) {
- EFI_FILE_SYSTEM_INFO *FileSystemInfoPtr;
+static CHAR16 *GetVolumeName(REFIT_VOLUME *Volume) {
+ EFI_FILE_SYSTEM_INFO *FileSystemInfoPtr = NULL;
CHAR16 *FoundName = NULL;
CHAR16 *SISize, *TypeName;
- FileSystemInfoPtr = LibFileSystemInfo(Volume->RootDir);
- if (FileSystemInfoPtr != NULL) { // we have filesystem information (size, label)....
- if ((FileSystemInfoPtr->VolumeLabel != NULL) && (StrLen(FileSystemInfoPtr->VolumeLabel) > 0)) {
- FoundName = StrDuplicate(FileSystemInfoPtr->VolumeLabel);
- }
-
- // Special case: rEFInd HFS+ driver always returns label of "HFS+ volume", so wipe
- // this so that we can build a new name that includes the size....
- if ((FoundName != NULL) && (StrCmp(FoundName, L"HFS+ volume") == 0) && (Volume->FSType == FS_TYPE_HFSPLUS)) {
- MyFreePool(FoundName);
- FoundName = NULL;
- } // if rEFInd HFS+ driver suspected
-
- if (FoundName == NULL) { // filesystem has no name, so use fs type and size
- FoundName = AllocateZeroPool(sizeof(CHAR16) * 256);
- if (FoundName != NULL) {
- SISize = SizeInIEEEUnits(FileSystemInfoPtr->VolumeSize);
- SPrint(FoundName, 255, L"%s%s volume", SISize, FSTypeName(Volume->FSType));
- MyFreePool(SISize);
- } // if allocated memory OK
- } // if (FoundName == NULL)
-
- FreePool(FileSystemInfoPtr);
-
- } else { // fs driver not returning info; fall back on our own information....
+ if (Volume->RootDir != NULL) {
+ FileSystemInfoPtr = LibFileSystemInfo(Volume->RootDir);
+ }
+
+ if ((FileSystemInfoPtr != NULL) && (FileSystemInfoPtr->VolumeLabel != NULL) &&
+ (StrLen(FileSystemInfoPtr->VolumeLabel) > 0)) {
+ FoundName = StrDuplicate(FileSystemInfoPtr->VolumeLabel);
+ }
+
+ // If no filesystem name, try to use the partition name....
+ if ((FoundName == NULL) && (Volume->PartName != NULL) && (StrLen(Volume->PartName) > 0) &&
+ !IsIn(Volume->PartName, IGNORE_PARTITION_NAMES)) {
+ FoundName = StrDuplicate(Volume->PartName);
+ } // if use partition name
+
+ // No filesystem or acceptable partition name, so use fs type and size
+ if ((FoundName == NULL) && (FileSystemInfoPtr != NULL)) {
+ FoundName = AllocateZeroPool(sizeof(CHAR16) * 256);
+ if (FoundName != NULL) {
+ SISize = SizeInIEEEUnits(FileSystemInfoPtr->VolumeSize);
+ SPrint(FoundName, 255, L"%s%s volume", SISize, FSTypeName(Volume->FSType));
+ MyFreePool(SISize);
+ } // if allocated memory OK
+ } // if (FoundName == NULL)
+
+ MyFreePool(FileSystemInfoPtr);
+
+ if (FoundName == NULL) {
FoundName = AllocateZeroPool(sizeof(CHAR16) * 256);
if (FoundName != NULL) {
TypeName = FSTypeName(Volume->FSType); // NOTE: Don't free TypeName; function returns constant
if (StrLen(TypeName) > 0)
- SPrint(FoundName, 255, L"%s volume", FSTypeName(Volume->FSType));
+ SPrint(FoundName, 255, L"%s volume", TypeName);
else
SPrint(FoundName, 255, L"unknown volume");
} // if allocated memory OK
// TODO: Above could be improved/extended, in case filesystem name is not found,
// such as:
- // - use partition label
// - use or add disk/partition number (e.g., "(hd0,2)")
// Desperate fallback name....
return FoundName;
} // static CHAR16 *GetVolumeName()
+// Determine the unique GUID, type code GUID, and name of the volume and store them.
+static VOID SetPartGuidAndName(REFIT_VOLUME *Volume, EFI_DEVICE_PATH_PROTOCOL *DevicePath) {
+ HARDDRIVE_DEVICE_PATH *HdDevicePath;
+ GPT_ENTRY *PartInfo;
+
+ if ((Volume == NULL) || (DevicePath == NULL))
+ return;
+
+ if ((DevicePath->Type == MEDIA_DEVICE_PATH) && (DevicePath->SubType == MEDIA_HARDDRIVE_DP)) {
+ HdDevicePath = (HARDDRIVE_DEVICE_PATH*) DevicePath;
+ if (HdDevicePath->SignatureType == SIGNATURE_TYPE_GUID) {
+ Volume->PartGuid = *((EFI_GUID*) HdDevicePath->Signature);
+ PartInfo = FindPartWithGuid(&(Volume->PartGuid));
+ if (PartInfo) {
+ Volume->PartName = StrDuplicate(PartInfo->name);
+ CopyMem(&(Volume->PartTypeGuid), PartInfo->type_guid, sizeof(EFI_GUID));
+ if (GuidsAreEqual(&(Volume->PartTypeGuid), &gFreedesktopRootGuid) &&
+ ((PartInfo->attributes & GPT_NO_AUTOMOUNT) == 0)) {
+ GlobalConfig.DiscoveredRoot = Volume;
+ } // if (GUIDs match && automounting OK)
+ Volume->IsMarkedReadOnly = ((PartInfo->attributes & GPT_READ_ONLY) > 0);
+ } // if (PartInfo exists)
+ } // if (GPT disk)
+ } // if (disk device)
+} // VOID SetPartGuid()
+
+// Return TRUE if NTFS boot files are found or if Volume is unreadable,
+// FALSE otherwise. The idea is to weed out non-boot NTFS volumes from
+// BIOS/legacy boot list on Macs. We can't assume NTFS will be readable,
+// so return TRUE if it's unreadable; but if it IS readable, return
+// TRUE only if Windows boot files are found.
+static BOOLEAN HasWindowsBiosBootFiles(REFIT_VOLUME *Volume) {
+ BOOLEAN FilesFound = TRUE;
+
+ if (Volume->RootDir != NULL) {
+ FilesFound = FileExists(Volume->RootDir, L"NTLDR") || // Windows NT/200x/XP boot file
+ FileExists(Volume->RootDir, L"bootmgr"); // Windows Vista/7/8 boot file
+ } // if
+ return FilesFound;
+} // static VOID HasWindowsBiosBootFiles()
+
VOID ScanVolume(REFIT_VOLUME *Volume)
{
EFI_STATUS Status;
while (DevicePath != NULL && !IsDevicePathEndType(DevicePath)) {
NextDevicePath = NextDevicePathNode(DevicePath);
+ if (DevicePathType(DevicePath) == MEDIA_DEVICE_PATH) {
+ SetPartGuidAndName(Volume, DevicePath);
+ }
if (DevicePathType(DevicePath) == MESSAGING_DEVICE_PATH &&
(DevicePathSubType(DevicePath) == MSG_USB_DP ||
DevicePathSubType(DevicePath) == MSG_USB_CLASS_DP ||
}
// look at the BlockIO protocol
- Status = refit_call3_wrapper(BS->HandleProtocol, WholeDiskHandle, &BlockIoProtocol, (VOID **) &Volume->WholeDiskBlockIO);
+ Status = refit_call3_wrapper(BS->HandleProtocol, WholeDiskHandle, &BlockIoProtocol,
+ (VOID **) &Volume->WholeDiskBlockIO);
if (!EFI_ERROR(Status)) {
// check the media block size
DevicePath = NextDevicePath;
} // while
- if (!Bootable) {
+ if (!Bootable) {
#if REFIT_DEBUG > 0
- if (Volume->HasBootCode)
- Print(L" Volume considered non-bootable, but boot code is present\n");
+ if (Volume->HasBootCode)
+ Print(L" Volume considered non-bootable, but boot code is present\n");
#endif
- Volume->HasBootCode = FALSE;
- }
+ Volume->HasBootCode = FALSE;
+ }
- // default volume icon based on disk kind
- ScanVolumeDefaultIcon(Volume);
+ // open the root directory of the volume
+ Volume->RootDir = LibOpenRoot(Volume->DeviceHandle);
- // open the root directory of the volume
- Volume->RootDir = LibOpenRoot(Volume->DeviceHandle);
- if (Volume->RootDir == NULL) {
- Volume->IsReadable = FALSE;
- return;
- } else {
- Volume->IsReadable = TRUE;
- }
+ // Set volume icon based on .VolumeBadge icon or disk kind
+ SetVolumeBadgeIcon(Volume);
+
+ Volume->VolName = GetVolumeName(Volume);
- Volume->VolName = GetVolumeName(Volume);
+ if (Volume->RootDir == NULL) {
+ Volume->IsReadable = FALSE;
+ return;
+ } else {
+ Volume->IsReadable = TRUE;
+ if ((GlobalConfig.LegacyType == LEGACY_TYPE_MAC) && (Volume->FSType == FS_TYPE_NTFS) && Volume->HasBootCode) {
+ // VBR boot code found on NTFS, but volume is not actually bootable
+ // unless there are actual boot file, so check for them....
+ Volume->HasBootCode = HasWindowsBiosBootFiles(Volume);
+ }
+ } // if/else
- // get custom volume icon if present
- if (!Volume->VolBadgeImage)
- Volume->VolBadgeImage = egLoadIconAnyType(Volume->RootDir, L"", L".VolumeBadge", 32);
- if (!Volume->VolIconImage)
- Volume->VolIconImage = egLoadIconAnyType(Volume->RootDir, L"", L".VolumeIcon", 128);
+ // get custom volume icons if present
+ if (!Volume->VolIconImage) {
+ Volume->VolIconImage = egLoadIconAnyType(Volume->RootDir, L"", L".VolumeIcon", GlobalConfig.IconSizes[ICON_SIZE_BIG]);
+ }
} // ScanVolume()
static VOID ScanExtendedPartition(REFIT_VOLUME *WholeDiskVolume, MBR_PARTITION_INFO *MbrEntry)
if (!Bootable)
Volume->HasBootCode = FALSE;
- ScanVolumeDefaultIcon(Volume);
+ SetVolumeBadgeIcon(Volume);
AddListElement((VOID ***) &Volumes, &VolumesCount, Volume);
UINTN PartitionIndex;
UINTN SectorSum, i, VolNumber = 0;
UINT8 *SectorBuffer1, *SectorBuffer2;
+ EFI_GUID *UuidList;
+ EFI_GUID NullUuid = NULL_GUID_VALUE;
MyFreePool(Volumes);
Volumes = NULL;
VolumesCount = 0;
+ ForgetPartitionTables();
// get all filesystem handles
Status = LibLocateHandle(ByProtocol, &BlockIoProtocol, NULL, &HandleCount, &Handles);
- // was: &FileSystemProtocol
+ UuidList = AllocateZeroPool(sizeof(EFI_GUID) * HandleCount);
if (Status == EFI_NOT_FOUND) {
return; // no filesystems. strange, but true...
}
for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {
Volume = AllocateZeroPool(sizeof(REFIT_VOLUME));
Volume->DeviceHandle = Handles[HandleIndex];
+ AddPartitionTable(Volume);
ScanVolume(Volume);
+ if (UuidList) {
+ UuidList[HandleIndex] = Volume->VolUuid;
+ for (i = 0; i < HandleIndex; i++) {
+ if ((CompareMem(&(Volume->VolUuid), &(UuidList[i]), sizeof(EFI_GUID)) == 0) &&
+ (CompareMem(&(Volume->VolUuid), &NullUuid, sizeof(EFI_GUID)) != 0)) { // Duplicate filesystem UUID
+ Volume->IsReadable = FALSE;
+ } // if
+ } // for
+ } // if
if (Volume->IsReadable)
Volume->VolNumber = VolNumber++;
else
Volume->BlockIO != Volume->WholeDiskBlockIO) {
for (VolumeIndex2 = 0; VolumeIndex2 < VolumesCount; VolumeIndex2++) {
if (Volumes[VolumeIndex2]->BlockIO == Volume->WholeDiskBlockIO &&
- Volumes[VolumeIndex2]->BlockIOOffset == 0)
+ Volumes[VolumeIndex2]->BlockIOOffset == 0) {
WholeDiskVolume = Volumes[VolumeIndex2];
+ }
}
}
MyFreePool(SectorBuffer1);
MyFreePool(SectorBuffer2);
}
-
} // for
} /* VOID ScanVolumes() */
if (!EFI_ERROR(Status)) {
// get the BlockIO protocol
- Status = refit_call3_wrapper(BS->HandleProtocol, WholeDiskHandle, &BlockIoProtocol, (VOID **) &Volume->WholeDiskBlockIO);
+ Status = refit_call3_wrapper(BS->HandleProtocol, WholeDiskHandle, &BlockIoProtocol,
+ (VOID **) &Volume->WholeDiskBlockIO);
if (EFI_ERROR(Status)) {
Volume->WholeDiskBlockIO = NULL;
CheckError(Status, L"from HandleProtocol");
BOOLEAN FileExists(IN EFI_FILE *BaseDir, IN CHAR16 *RelativePath)
{
- EFI_STATUS Status;
- EFI_FILE_HANDLE TestFile;
-
- Status = refit_call5_wrapper(BaseDir->Open, BaseDir, &TestFile, RelativePath, EFI_FILE_MODE_READ, 0);
- if (Status == EFI_SUCCESS) {
- refit_call1_wrapper(TestFile->Close, TestFile);
- return TRUE;
- }
- return FALSE;
+ EFI_STATUS Status;
+ EFI_FILE_HANDLE TestFile;
+
+ if (BaseDir != NULL) {
+ Status = refit_call5_wrapper(BaseDir->Open, BaseDir, &TestFile, RelativePath, EFI_FILE_MODE_READ, 0);
+ if (Status == EFI_SUCCESS) {
+ refit_call1_wrapper(TestFile->Close, TestFile);
+ return TRUE;
+ }
+ }
+ return FALSE;
}
EFI_STATUS DirNextEntry(IN EFI_FILE *Directory, IN OUT EFI_FILE_INFO **DirEntry, IN UINTN FilterMode)
return FALSE; // Shouldn't happen
}
-static VOID StrLwr (IN OUT CHAR16 *Str) {
- if (!mUnicodeCollation) {
- InitializeUnicodeCollationProtocol();
- }
- if (mUnicodeCollation)
- mUnicodeCollation->StrLwr (mUnicodeCollation, Str);
-}
-
#endif
BOOLEAN DirIterNext(IN OUT REFIT_DIR_ITER *DirIter, IN UINTN FilterMode, IN CHAR16 *FilePattern OPTIONAL,
if ((FileName != NULL) && ((Copy = StrDuplicate(FileName)) != NULL)) {
Length = StrLen(Copy);
- // Note: Do StriCmp() twice to work around Gigabyte Hybrid EFI case-sensitivity bug....
- if ((Length >= 4) && ((StriCmp(&Copy[Length - 4], L".efi") == 0) || (StriCmp(&Copy[Length - 4], L".EFI") == 0))) {
+ if ((Length >= 4) && MyStriCmp(&Copy[Length - 4], L".efi")) {
Copy[Length - 4] = 0;
} // if
} // if
return -1;
}
-// Performs a case-insensitive search of BigStr for SmallStr.
-// Returns TRUE if found, FALSE if not.
BOOLEAN StriSubCmp(IN CHAR16 *SmallStr, IN CHAR16 *BigStr) {
- CHAR16 *SmallCopy, *BigCopy;
- BOOLEAN Found = FALSE;
- UINTN StartPoint = 0, NumCompares = 0, SmallLen = 0;
-
- if ((SmallStr != NULL) && (BigStr != NULL) && (StrLen(BigStr) >= StrLen(SmallStr))) {
- SmallCopy = StrDuplicate(SmallStr);
- BigCopy = StrDuplicate(BigStr);
- StrLwr(SmallCopy);
- StrLwr(BigCopy);
- SmallLen = StrLen(SmallCopy);
- NumCompares = StrLen(BigCopy) - SmallLen + 1;
- while ((!Found) && (StartPoint < NumCompares)) {
- Found = (StrnCmp(SmallCopy, &BigCopy[StartPoint++], SmallLen) == 0);
- } // while
- MyFreePool(SmallCopy);
- MyFreePool(BigCopy);
- } // if
+ BOOLEAN Found = 0, Terminate = 0;
+ UINTN BigIndex = 0, SmallIndex = 0, BigStart = 0;
- return (Found);
+ if (SmallStr && BigStr) {
+ while (!Terminate) {
+ if (BigStr[BigIndex] == '\0') {
+ Terminate = 1;
+ }
+ if (SmallStr[SmallIndex] == '\0') {
+ Found = 1;
+ Terminate = 1;
+ }
+ if ((SmallStr[SmallIndex] & ~0x20) == (BigStr[BigIndex] & ~0x20)) {
+ SmallIndex++;
+ BigIndex++;
+ } else {
+ SmallIndex = 0;
+ BigStart++;
+ BigIndex = BigStart;
+ }
+ } // while
+ } // if
+ return Found;
} // BOOLEAN StriSubCmp()
+// Performs a case-insensitive string comparison. This function is necesary
+// because some EFIs have buggy StriCmp() functions that actually perform
+// case-sensitive comparisons.
+// Returns TRUE if strings are identical, FALSE otherwise.
+BOOLEAN MyStriCmp(IN CONST CHAR16 *FirstString, IN CONST CHAR16 *SecondString) {
+ if (FirstString && SecondString) {
+ while ((*FirstString != L'\0') && ((*FirstString & ~0x20) == (*SecondString & ~0x20))) {
+ FirstString++;
+ SecondString++;
+ }
+ return (*FirstString == *SecondString);
+ } else {
+ return FALSE;
+ }
+} // BOOLEAN MyStriCmp()
+
+// Convert input string to all-lowercase.
+// DO NOT USE the standard StrLwr() function, since it's broken on some EFIs!
+VOID ToLower(CHAR16 * MyString) {
+ UINTN i = 0;
+
+ if (MyString) {
+ while (MyString[i] != L'\0') {
+ if ((MyString[i] >= L'A') && (MyString[i] <= L'Z'))
+ MyString[i] = MyString[i] - L'A' + L'a';
+ i++;
+ } // while
+ } // if
+} // VOID ToLower()
+
// Merges two strings, creating a new one and returning a pointer to it.
// If AddChar != 0, the specified character is placed between the two original
// strings (unless the first string is NULL or empty). The original input
Length2 = StrLen(Second);
NewString = AllocatePool(sizeof(CHAR16) * (Length1 + Length2 + 2));
if (NewString != NULL) {
- if ((*First != NULL) && (StrLen(*First) == 0)) {
+ if ((*First != NULL) && (Length1 == 0)) {
MyFreePool(*First);
*First = NULL;
}
} else {
Print(L"Error! Unable to allocate memory in MergeStrings()!\n");
} // if/else
-} // static CHAR16* MergeStrings()
+} // VOID MergeStrings()
+
+// Similar to MergeStrings, but breaks the input string into word chunks and
+// merges each word separately. Words are defined as string fragments separated
+// by ' ', '_', or '-'.
+VOID MergeWords(CHAR16 **MergeTo, CHAR16 *SourceString, CHAR16 AddChar) {
+ CHAR16 *Temp, *Word, *p;
+ BOOLEAN LineFinished = FALSE;
+
+ if (SourceString) {
+ Temp = Word = p = StrDuplicate(SourceString);
+ if (Temp) {
+ while (!LineFinished) {
+ if ((*p == L' ') || (*p == L'_') || (*p == L'-') || (*p == L'\0')) {
+ if (*p == L'\0')
+ LineFinished = TRUE;
+ *p = L'\0';
+ if (*Word != L'\0')
+ MergeStrings(MergeTo, Word, AddChar);
+ Word = p + 1;
+ } // if
+ p++;
+ } // while
+ MyFreePool(Temp);
+ } else {
+ Print(L"Error! Unable to allocate memory in MergeWords()!\n");
+ } // if/else
+ } // if
+} // VOID MergeWords()
// Takes an input pathname (*Path) and returns the part of the filename from
// the final dot onwards, converted to lowercase. If the filename includes
CHAR16 *FindExtension(IN CHAR16 *Path) {
CHAR16 *Extension;
BOOLEAN Found = FALSE, FoundSlash = FALSE;
- UINTN i;
+ INTN i;
Extension = AllocateZeroPool(sizeof(CHAR16));
if (Path) {
} // while
if (Found) {
MergeStrings(&Extension, &Path[i], 0);
- StrLwr(Extension);
+ ToLower(Extension);
} // if (Found)
} // if
return (Extension);
LastBackslash = i;
} // for
PathOnly = StrDuplicate(FullPath);
- PathOnly[LastBackslash] = 0;
+ if (PathOnly != NULL)
+ PathOnly[LastBackslash] = 0;
} // if
return (PathOnly);
}
+/*++
+ *
+ * Routine Description:
+ *
+ * Find a substring.
+ *
+ * Arguments:
+ *
+ * String - Null-terminated string to search.
+ * StrCharSet - Null-terminated string to search for.
+ *
+ * Returns:
+ * The address of the first occurrence of the matching substring if successful, or NULL otherwise.
+ * --*/
+CHAR16* MyStrStr (CHAR16 *String, CHAR16 *StrCharSet)
+{
+ CHAR16 *Src;
+ CHAR16 *Sub;
+
+ if ((String == NULL) || (StrCharSet == NULL))
+ return NULL;
+
+ Src = String;
+ Sub = StrCharSet;
+
+ while ((*String != L'\0') && (*StrCharSet != L'\0')) {
+ if (*String++ != *StrCharSet) {
+ String = ++Src;
+ StrCharSet = Sub;
+ } else {
+ StrCharSet++;
+ }
+ }
+ if (*StrCharSet == L'\0') {
+ return Src;
+ } else {
+ return NULL;
+ }
+} // CHAR16 *MyStrStr()
+
+// Restrict TheString to at most Limit characters.
+// Does this in two ways:
+// - Locates stretches of two or more spaces and compresses
+// them down to one space.
+// - Truncates TheString
+// Returns TRUE if changes were made, FALSE otherwise
+BOOLEAN LimitStringLength(CHAR16 *TheString, UINTN Limit) {
+ CHAR16 *SubString, *TempString;
+ UINTN i;
+ BOOLEAN HasChanged = FALSE;
+
+ // SubString will be NULL or point WITHIN TheString
+ SubString = MyStrStr(TheString, L" ");
+ while (SubString != NULL) {
+ i = 0;
+ while (SubString[i] == L' ')
+ i++;
+ if (i >= StrLen(SubString)) {
+ SubString[0] = '\0';
+ HasChanged = TRUE;
+ } else {
+ TempString = StrDuplicate(&SubString[i]);
+ if (TempString != NULL) {
+ StrCpy(&SubString[1], TempString);
+ MyFreePool(TempString);
+ HasChanged = TRUE;
+ } else {
+ // memory allocation problem; abort to avoid potentially infinite loop!
+ break;
+ } // if/else
+ } // if/else
+ SubString = MyStrStr(TheString, L" ");
+ } // while
+
+ // If the string is still too long, truncate it....
+ if (StrLen(TheString) > Limit) {
+ TheString[Limit] = '\0';
+ HasChanged = TRUE;
+ } // if
+
+ return HasChanged;
+} // BOOLEAN LimitStringLength()
+
// Takes an input loadpath, splits it into disk and filename components, finds a matching
// DeviceVolume, and returns that and the filename (*loader).
VOID FindVolumeAndFilename(IN EFI_DEVICE_PATH *loadpath, OUT REFIT_VOLUME **DeviceVolume, OUT CHAR16 **loader) {
while ((i < VolumesCount) && (!Found)) {
VolumeDeviceString = DevicePathToStr(Volumes[i]->DevicePath);
Temp = SplitDeviceString(VolumeDeviceString);
- if (StriCmp(DeviceString, VolumeDeviceString) == 0) {
+ if (MyStriCmp(DeviceString, VolumeDeviceString)) {
Found = TRUE;
*DeviceVolume = Volumes[i];
}
return (FoundString);
} // CHAR16 *FindCommaDelimited()
+// Return the position of SmallString within BigString, or -1 if
+// not found.
+INTN FindSubString(IN CHAR16 *SmallString, IN CHAR16 *BigString) {
+ INTN Position = -1;
+ UINTN i = 0, SmallSize, BigSize;
+ BOOLEAN Found = FALSE;
+
+ if ((SmallString == NULL) || (BigString == NULL))
+ return -1;
+
+ SmallSize = StrLen(SmallString);
+ BigSize = StrLen(BigString);
+ if ((SmallSize > BigSize) || (SmallSize == 0) || (BigSize == 0))
+ return -1;
+
+ while ((i <= (BigSize - SmallSize) && !Found)) {
+ if (CompareMem(BigString + i, SmallString, SmallSize) == 0) {
+ Found = TRUE;
+ Position = i;
+ } // if
+ i++;
+ } // while()
+ return Position;
+} // INTN FindSubString()
+
+// Take an input path name, which may include a volume specification and/or
+// a path, and return separate volume, path, and file names. For instance,
+// "BIGVOL:\EFI\ubuntu\grubx64.efi" will return a VolName of "BIGVOL", a Path
+// of "EFI\ubuntu", and a Filename of "grubx64.efi". If an element is missing,
+// the returned pointer is NULL. The calling function is responsible for
+// freeing the allocated memory.
+VOID SplitPathName(CHAR16 *InPath, CHAR16 **VolName, CHAR16 **Path, CHAR16 **Filename) {
+ CHAR16 *Temp = NULL;
+
+ MyFreePool(*VolName);
+ MyFreePool(*Path);
+ MyFreePool(*Filename);
+ *VolName = *Path = *Filename = NULL;
+ Temp = StrDuplicate(InPath);
+ SplitVolumeAndFilename(&Temp, VolName); // VolName is NULL or has volume; Temp has rest of path
+ CleanUpPathNameSlashes(Temp);
+ *Path = FindPath(Temp); // *Path has path (may be 0-length); Temp unchanged.
+ *Filename = StrDuplicate(Temp + StrLen(*Path));
+ CleanUpPathNameSlashes(*Filename);
+ if (StrLen(*Path) == 0) {
+ MyFreePool(*Path);
+ *Path = NULL;
+ }
+ if (StrLen(*Filename) == 0) {
+ MyFreePool(*Filename);
+ *Filename = NULL;
+ }
+ MyFreePool(Temp);
+} // VOID SplitPathName
+
// Returns TRUE if SmallString is an element in the comma-delimited List,
-// FALSE otherwise. Performs comparison case-insensitively (except on
-// buggy EFIs with case-sensitive StriCmp() functions).
+// FALSE otherwise. Performs comparison case-insensitively.
BOOLEAN IsIn(IN CHAR16 *SmallString, IN CHAR16 *List) {
UINTN i = 0;
BOOLEAN Found = FALSE;
if (SmallString && List) {
while (!Found && (OneElement = FindCommaDelimited(List, i++))) {
- if (StriCmp(OneElement, SmallString) == 0)
+ if (MyStriCmp(OneElement, SmallString))
Found = TRUE;
} // while
} // if
return Found;
} // BOOLEAN IsIn()
+// Returns TRUE if any element of List can be found as a substring of
+// BigString, FALSE otherwise. Performs comparisons case-insensitively.
+BOOLEAN IsInSubstring(IN CHAR16 *BigString, IN CHAR16 *List) {
+ UINTN i = 0, ElementLength;
+ BOOLEAN Found = FALSE;
+ CHAR16 *OneElement;
+
+ if (BigString && List) {
+ while (!Found && (OneElement = FindCommaDelimited(List, i++))) {
+ ElementLength = StrLen(OneElement);
+ if ((ElementLength <= StrLen(BigString)) && (StriSubCmp(OneElement, BigString)))
+ Found = TRUE;
+ } // while
+ } // if
+ return Found;
+} // BOOLEAN IsSubstringIn()
+
+// Returns TRUE if specified Volume, Directory, and Filename correspond to an
+// element in the comma-delimited List, FALSE otherwise. Note that Directory and
+// Filename must *NOT* include a volume or path specification (that's part of
+// the Volume variable), but the List elements may. Performs comparison
+// case-insensitively.
+BOOLEAN FilenameIn(REFIT_VOLUME *Volume, CHAR16 *Directory, CHAR16 *Filename, CHAR16 *List) {
+ UINTN i = 0;
+ BOOLEAN Found = FALSE;
+ CHAR16 *OneElement;
+ CHAR16 *TargetVolName = NULL, *TargetPath = NULL, *TargetFilename = NULL;
+
+ if (Filename && List) {
+ while (!Found && (OneElement = FindCommaDelimited(List, i++))) {
+ Found = TRUE;
+ SplitPathName(OneElement, &TargetVolName, &TargetPath, &TargetFilename);
+ VolumeNumberToName(Volume, &TargetVolName);
+ if (((TargetVolName != NULL) && ((Volume == NULL) || (!MyStriCmp(TargetVolName, Volume->VolName)))) ||
+ ((TargetPath != NULL) && (!MyStriCmp(TargetPath, Directory))) ||
+ ((TargetFilename != NULL) && (!MyStriCmp(TargetFilename, Filename)))) {
+ Found = FALSE;
+ } // if
+ MyFreePool(OneElement);
+ } // while
+ } // if
+
+ MyFreePool(TargetVolName);
+ MyFreePool(TargetPath);
+ MyFreePool(TargetFilename);
+ return Found;
+} // BOOLEAN FilenameIn()
+
+// If *VolName is of the form "fs#", where "#" is a number, and if Volume points
+// to this volume number, returns with *VolName changed to the volume name, as
+// stored in the Volume data structure.
+// Returns TRUE if this substitution was made, FALSE otherwise.
+BOOLEAN VolumeNumberToName(REFIT_VOLUME *Volume, CHAR16 **VolName) {
+ BOOLEAN MadeSubstitution = FALSE;
+ UINTN VolNum;
+
+ if ((VolName == NULL) || (*VolName == NULL))
+ return FALSE;
+
+ if ((StrLen(*VolName) > 2) && (*VolName[0] == L'f') && (*VolName[1] == L's') && (*VolName[2] >= L'0') && (*VolName[2] <= L'9')) {
+ VolNum = Atoi(*VolName + 2);
+ if (VolNum == Volume->VolNumber) {
+ MyFreePool(*VolName);
+ *VolName = StrDuplicate(Volume->VolName);
+ MadeSubstitution = TRUE;
+ } // if
+ } // if
+ return MadeSubstitution;
+} // BOOLEAN VolumeMatchesNumber()
+
// Implement FreePool the way it should have been done to begin with, so that
// it doesn't throw an ASSERT message if fed a NULL pointer....
VOID MyFreePool(IN VOID *Pointer) {
return (Ejected > 0);
} // VOID EjectMedia()
+// Converts consecutive characters in the input string into a
+// number, interpreting the string as a hexadecimal number, starting
+// at the specified position and continuing for the specified number
+// of characters or until the end of the string, whichever is first.
+// NumChars must be between 1 and 16. Ignores invalid characters.
+UINT64 StrToHex(CHAR16 *Input, UINTN Pos, UINTN NumChars) {
+ UINT64 retval = 0x00;
+ UINTN NumDone = 0;
+ CHAR16 a;
+
+ if ((Input == NULL) || (StrLen(Input) < Pos) || (NumChars == 0) || (NumChars > 16)) {
+ return 0;
+ }
+
+ while ((StrLen(Input) >= Pos) && (NumDone < NumChars)) {
+ a = Input[Pos];
+ if ((a >= '0') && (a <= '9')) {
+ retval *= 0x10;
+ retval += (a - '0');
+ NumDone++;
+ }
+ if ((a >= 'a') && (a <= 'f')) {
+ retval *= 0x10;
+ retval += (a - 'a' + 0x0a);
+ NumDone++;
+ }
+ if ((a >= 'A') && (a <= 'F')) {
+ retval *= 0x10;
+ retval += (a - 'A' + 0x0a);
+ NumDone++;
+ }
+ Pos++;
+ } // while()
+ return retval;
+} // StrToHex()
+
+// Returns TRUE if UnknownString can be interpreted as a GUID, FALSE otherwise.
+// Note that the input string must have no extraneous spaces and must be
+// conventionally formatted as a 36-character GUID, complete with dashes in
+// appropriate places.
+BOOLEAN IsGuid(CHAR16 *UnknownString) {
+ UINTN Length, i;
+ BOOLEAN retval = TRUE;
+ CHAR16 a;
+
+ if (UnknownString == NULL)
+ return FALSE;
+
+ Length = StrLen(UnknownString);
+ if (Length != 36)
+ return FALSE;
+
+ for (i = 0; i < Length; i++) {
+ a = UnknownString[i];
+ if ((i == 8) || (i == 13) || (i == 18) || (i == 23)) {
+ if (a != '-')
+ retval = FALSE;
+ } else if (((a < 'a') || (a > 'f')) && ((a < 'A') || (a > 'F')) && ((a < '0') && (a > '9'))) {
+ retval = FALSE;
+ } // if/else if
+ } // for
+ return retval;
+} // BOOLEAN IsGuid()
// Return the GUID as a string, suitable for display to the user. Note that the calling
// function is responsible for freeing the allocated memory.
}
return TheString;
} // GuidAsString(EFI_GUID *GuidData)
+
+EFI_GUID StringAsGuid(CHAR16 * InString) {
+ EFI_GUID Guid = NULL_GUID_VALUE;
+
+ if (!IsGuid(InString)) {
+ return Guid;
+ }
+
+ Guid.Data1 = (UINT32) StrToHex(InString, 0, 8);
+ Guid.Data2 = (UINT16) StrToHex(InString, 9, 4);
+ Guid.Data3 = (UINT16) StrToHex(InString, 14, 4);
+ Guid.Data4[0] = (UINT8) StrToHex(InString, 19, 2);
+ Guid.Data4[1] = (UINT8) StrToHex(InString, 21, 2);
+ Guid.Data4[2] = (UINT8) StrToHex(InString, 23, 2);
+ Guid.Data4[3] = (UINT8) StrToHex(InString, 26, 2);
+ Guid.Data4[4] = (UINT8) StrToHex(InString, 28, 2);
+ Guid.Data4[5] = (UINT8) StrToHex(InString, 30, 2);
+ Guid.Data4[6] = (UINT8) StrToHex(InString, 32, 2);
+ Guid.Data4[7] = (UINT8) StrToHex(InString, 34, 2);
+
+ return Guid;
+} // EFI_GUID StringAsGuid()
+
+// Returns TRUE if the two GUIDs are equal, FALSE otherwise
+BOOLEAN GuidsAreEqual(EFI_GUID *Guid1, EFI_GUID *Guid2) {
+ return (CompareMem(Guid1, Guid2, 16) == 0);
+} // BOOLEAN GuidsAreEqual()
+