* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
- * Modifications copyright (c) 2012 Roderick W. Smith
+ * Modifications copyright (c) 2012-2013 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"
#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"
// variables
// and identify its boot loader, and hence probable BIOS-mode OS installation
#define SAMPLE_SIZE 69632 /* 68 KiB -- ReiserFS superblock begins at 64 KiB */
-// Default names for volume badges (mini-icon to define disk type) and icons
-#define VOLUME_BADGE_NAME L".VolumeBadge.icns"
-#define VOLUME_ICON_NAME L".VolumeIcon.icns"
// functions
// after that string (after some cleanup) as the return value, and truncating the original
// input value.
// If InString contains no ")" character, this function leaves the original input string
-// unmodified and also returns that string.
+// unmodified and also returns that string. If InString is NULL, this function returns NULL.
static CHAR16* SplitDeviceString(IN OUT CHAR16 *InString) {
INTN i;
CHAR16 *FileName = NULL;
BOOLEAN Found = FALSE;
- i = StrLen(InString) - 1;
- while ((i >= 0) && (!Found)) {
- if (InString[i] == L')') {
- Found = TRUE;
- FileName = StrDuplicate(&InString[i + 1]);
- CleanUpPathNameSlashes(FileName);
- InString[i + 1] = '\0';
- } // if
- i--;
- } // while
- if (FileName == NULL)
- FileName = StrDuplicate(InString);
+ if (InString != NULL) {
+ i = StrLen(InString) - 1;
+ while ((i >= 0) && (!Found)) {
+ if (InString[i] == L')') {
+ Found = TRUE;
+ FileName = StrDuplicate(&InString[i + 1]);
+ CleanUpPathNameSlashes(FileName);
+ InString[i + 1] = '\0';
+ } // if
+ i--;
+ } // while
+ if (FileName == NULL)
+ FileName = StrDuplicate(InString);
+ } // if
return FileName;
} // static CHAR16* SplitDeviceString()
case FS_TYPE_REISERFS:
retval = L" ReiserFS";
break;
+ case FS_TYPE_BTRFS:
+ retval = L" Btrfs";
+ break;
case FS_TYPE_ISO9660:
retval = L" ISO-9660";
break;
} // if
} // search for ReiserFS magic
+ if (BufferSize >= (65536 + 64 + 8)) {
+ MagicString = (char*) (Buffer + 65536 + 64);
+ if (CompareMem(MagicString, BTRFS_SIGNATURE, 8) == 0)
+ return FS_TYPE_BTRFS;
+ } // search for Btrfs magic
+
if (BufferSize >= (1024 + 2)) {
Magic16 = (UINT16*) (Buffer + 1024);
if ((*Magic16 == HFSPLUS_MAGIC1) || (*Magic16 == HFSPLUS_MAGIC2)) {
} // if (Buffer != NULL)
return FoundType;
-}
+} // UINT32 IdentifyFilesystemType()
-static VOID ScanVolumeBootcode(IN OUT REFIT_VOLUME *Volume, OUT BOOLEAN *Bootable)
+static VOID ScanVolumeBootcode(REFIT_VOLUME *Volume, BOOLEAN *Bootable)
{
EFI_STATUS Status;
UINT8 Buffer[SAMPLE_SIZE];
CheckError(Status, L"while reading boot sector");
#endif
}
-}
+} /* VOID ScanVolumeBootcode() */
// default volume badge icon based on disk kind
static VOID ScanVolumeDefaultIcon(IN OUT REFIT_VOLUME *Volume)
// Return a string representing the input size in IEEE-1541 units.
// The calling function is responsible for freeing the allocated memory.
static CHAR16 *SizeInIEEEUnits(UINT64 SizeInBytes) {
- float SizeInIeee;
- UINTN Index = 0;
+ UINT64 SizeInIeee;
+ UINTN Index = 0, NumPrefixes;
CHAR16 *Units, *Prefixes = L" KMGTPEZ";
CHAR16 *TheValue;
- TheValue = AllocateZeroPool(sizeof(CHAR16) * 80);
+ TheValue = AllocateZeroPool(sizeof(CHAR16) * 256);
if (TheValue != NULL) {
- SizeInIeee = (float) SizeInBytes;
- while ((SizeInIeee > 1024.0) && (Index < (StrLen(Prefixes) - 1))) {
+ NumPrefixes = StrLen(Prefixes);
+ SizeInIeee = SizeInBytes;
+ while ((SizeInIeee > 1024) && (Index < (NumPrefixes - 1))) {
Index++;
- SizeInIeee /= 1024.0;
+ SizeInIeee /= 1024;
} // while
if (Prefixes[Index] == ' ') {
Units = StrDuplicate(L"-byte");
Units = StrDuplicate(L" iB");
Units[1] = Prefixes[Index];
} // if/else
- SPrint(TheValue, 79, L"%d%s", (UINTN) SizeInIeee, Units);
+ SPrint(TheValue, 255, L"%ld%s", SizeInIeee, Units);
} // if
return TheValue;
} // CHAR16 *SizeInSIUnits()
return FoundName;
} // static CHAR16 *GetVolumeName()
-VOID ScanVolume(IN OUT REFIT_VOLUME *Volume)
+VOID ScanVolume(REFIT_VOLUME *Volume)
{
EFI_STATUS Status;
EFI_DEVICE_PATH *DevicePath, *NextDevicePath;
Volume->VolName = GetVolumeName(Volume);
// get custom volume icon if present
- if (FileExists(Volume->RootDir, VOLUME_BADGE_NAME))
- Volume->VolBadgeImage = LoadIcns(Volume->RootDir, VOLUME_BADGE_NAME, 32);
- if (FileExists(Volume->RootDir, VOLUME_ICON_NAME)) {
- Volume->VolIconImage = LoadIcns(Volume->RootDir, VOLUME_ICON_NAME, 128);
- }
+ if (!Volume->VolBadgeImage)
+ Volume->VolBadgeImage = egLoadIconAnyType(Volume->RootDir, L"", L".VolumeBadge", 32);
+ if (!Volume->VolIconImage)
+ Volume->VolIconImage = egLoadIconAnyType(Volume->RootDir, L"", L".VolumeIcon", 128);
} // ScanVolume()
static VOID ScanExtendedPartition(REFIT_VOLUME *WholeDiskVolume, MBR_PARTITION_INFO *MbrEntry)
}
}
}
-}
+} /* VOID ScanExtendedPartition() */
VOID ScanVolumes(VOID)
{
EFI_STATUS Status;
- UINTN HandleCount = 0;
- UINTN HandleIndex;
EFI_HANDLE *Handles;
REFIT_VOLUME *Volume, *WholeDiskVolume;
- UINTN VolumeIndex, VolumeIndex2;
MBR_PARTITION_INFO *MbrTable;
+ UINTN HandleCount = 0;
+ UINTN HandleIndex;
+ UINTN VolumeIndex, VolumeIndex2;
UINTN PartitionIndex;
+ UINTN SectorSum, i, VolNumber = 0;
UINT8 *SectorBuffer1, *SectorBuffer2;
- UINTN SectorSum, i;
MyFreePool(Volumes);
Volumes = NULL;
Volume = AllocateZeroPool(sizeof(REFIT_VOLUME));
Volume->DeviceHandle = Handles[HandleIndex];
ScanVolume(Volume);
+ if (Volume->IsReadable)
+ Volume->VolNumber = VolNumber++;
+ else
+ Volume->VolNumber = VOL_UNREADABLE;
AddListElement((VOID ***) &Volumes, &VolumesCount, Volume);
MyFreePool(SectorBuffer2);
}
- }
+ } // for
} /* VOID ScanVolumes() */
static VOID UninitVolumes(VOID)
LastBufferSize = BufferSize;
}
if (EFI_ERROR(Status)) {
- FreePool(Buffer);
+ MyFreePool(Buffer);
+ Buffer = NULL;
break;
}
// check for end of listing
if (BufferSize == 0) { // end of directory listing
- FreePool(Buffer);
+ MyFreePool(Buffer);
+ Buffer = NULL;
break;
}
// else continue loop
} else
break;
- } while (KeepGoing);
+ } while (KeepGoing && FilePattern);
*DirEntry = DirIter->LastFileInfo;
return TRUE;
return FileName;
}
-// Replaces a filename extension of ".efi" with the specified string
-// (Extension). If the input Path doesn't end in ".efi", Extension
-// is added to the existing filename.
-VOID ReplaceEfiExtension(IN OUT CHAR16 *Path, IN CHAR16 *Extension)
-{
- UINTN PathLen;
-
- PathLen = StrLen(Path);
- // Note: Do StriCmp() twice to work around Gigabyte Hybrid EFI case-sensitivity bug....
- if ((PathLen >= 4) && ((StriCmp(&Path[PathLen - 4], L".efi") == 0) || (StriCmp(&Path[PathLen - 4], L".EFI") == 0))) {
- Path[PathLen - 4] = 0;
- } // if
- StrCat(Path, Extension);
-} // VOID ReplaceEfiExtension()
+// Remove the .efi extension from FileName -- for instance, if FileName is
+// "fred.efi", returns "fred". If the filename contains no .efi extension,
+// returns a copy of the original input.
+CHAR16 * StripEfiExtension(CHAR16 *FileName) {
+ UINTN Length;
+ CHAR16 *Copy = NULL;
+
+ 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))) {
+ Copy[Length - 4] = 0;
+ } // if
+ } // if
+ return Copy;
+} // CHAR16 * StripExtension()
//
// memory string search
// 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). The original input string
-// *First is de-allocated and replaced by the new merged string.
+// strings (unless the first string is NULL or empty). The original input
+// string *First is de-allocated and replaced by the new merged string.
// This is similar to StrCat, but safer and more flexible because
// MergeStrings allocates memory that's the correct size for the
// new merged string, so it can take a NULL *First and it cleans
Length2 = StrLen(Second);
NewString = AllocatePool(sizeof(CHAR16) * (Length1 + Length2 + 2));
if (NewString != NULL) {
+ if ((*First != NULL) && (StrLen(*First) == 0)) {
+ MyFreePool(*First);
+ *First = NULL;
+ }
NewString[0] = L'\0';
if (*First != NULL) {
StrCat(NewString, *First);
CHAR16 *FindExtension(IN CHAR16 *Path) {
CHAR16 *Extension;
BOOLEAN Found = FALSE, FoundSlash = FALSE;
- UINTN i;
+ INTN i;
Extension = AllocateZeroPool(sizeof(CHAR16));
if (Path) {
UINTN i, StartOfElement = 0, EndOfElement = 0, PathLength, CopyLength;
CHAR16 *Found = NULL;
+ if (Path == NULL)
+ return NULL;
+
PathLength = StrLen(Path);
// Find start & end of target element
for (i = 0; i < PathLength; i++) {
// freeing the returned string's memory.
CHAR16 *FindPath(IN CHAR16* FullPath) {
UINTN i, LastBackslash = 0;
- CHAR16 *PathOnly;
+ CHAR16 *PathOnly = NULL;
- for (i = 0; i < StrLen(FullPath); i++) {
- if (FullPath[i] == '\\')
- LastBackslash = i;
- } // for
- PathOnly = StrDuplicate(FullPath);
- PathOnly[LastBackslash] = 0;
+ if (FullPath != NULL) {
+ for (i = 0; i < StrLen(FullPath); i++) {
+ if (FullPath[i] == '\\')
+ LastBackslash = i;
+ } // for
+ PathOnly = StrDuplicate(FullPath);
+ PathOnly[LastBackslash] = 0;
+ } // if
return (PathOnly);
}
MyFreePool(DeviceString);
} // VOID FindVolumeAndFilename()
+// Splits a volume/filename string (e.g., "fs0:\EFI\BOOT") into separate
+// volume and filename components (e.g., "fs0" and "\EFI\BOOT"), returning
+// the filename component in the original *Path variable and the split-off
+// volume component in the *VolName variable.
+// Returns TRUE if both components are found, FALSE otherwise.
+BOOLEAN SplitVolumeAndFilename(IN OUT CHAR16 **Path, OUT CHAR16 **VolName) {
+ UINTN i = 0, Length;
+ CHAR16 *Filename;
+
+ if (*Path == NULL)
+ return FALSE;
+
+ if (*VolName != NULL) {
+ MyFreePool(*VolName);
+ *VolName = NULL;
+ }
+
+ Length = StrLen(*Path);
+ while ((i < Length) && ((*Path)[i] != L':')) {
+ i++;
+ } // while
+
+ if (i < Length) {
+ Filename = StrDuplicate((*Path) + i + 1);
+ (*Path)[i] = 0;
+ *VolName = *Path;
+ *Path = Filename;
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+} // BOOLEAN SplitVolumeAndFilename()
+
// Returns all the digits in the input string, including intervening
// non-digit characters. For instance, if InString is "foo-3.3.4-7.img",
// this function returns "3.3.4-7". If InString contains no digits,
UINTN i, StartOfElement, EndOfElement = 0, InLength, CopyLength;
CHAR16 *Found = NULL;
+ if (InString == NULL)
+ return NULL;
+
InLength = StartOfElement = StrLen(InString);
// Find start & end of target element
for (i = 0; i < InLength; i++) {
// 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 OUT VOID *Pointer) {
+VOID MyFreePool(IN VOID *Pointer) {
if (Pointer != NULL)
FreePool(Pointer);
}
} // VOID EjectMedia()
-// // Return the GUID as a string, suitable for display to the user. Note that the calling
-// // function is responsible for freeing the allocated memory.
-// CHAR16 * GuidAsString(EFI_GUID *GuidData) {
-// CHAR16 *TheString;
-//
-// TheString = AllocateZeroPool(42 * sizeof(CHAR16));
-// if (TheString != 0) {
-// SPrint (TheString, 82, L"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
-// (UINTN)GuidData->Data1, (UINTN)GuidData->Data2, (UINTN)GuidData->Data3,
-// (UINTN)GuidData->Data4[0], (UINTN)GuidData->Data4[1], (UINTN)GuidData->Data4[2],
-// (UINTN)GuidData->Data4[3], (UINTN)GuidData->Data4[4], (UINTN)GuidData->Data4[5],
-// (UINTN)GuidData->Data4[6], (UINTN)GuidData->Data4[7]);
-// }
-// return TheString;
-// } // GuidAsString(EFI_GUID *GuidData)
+// Return the GUID as a string, suitable for display to the user. Note that the calling
+// function is responsible for freeing the allocated memory.
+CHAR16 * GuidAsString(EFI_GUID *GuidData) {
+ CHAR16 *TheString;
+
+ TheString = AllocateZeroPool(42 * sizeof(CHAR16));
+ if (TheString != 0) {
+ SPrint (TheString, 82, L"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ (UINTN)GuidData->Data1, (UINTN)GuidData->Data2, (UINTN)GuidData->Data3,
+ (UINTN)GuidData->Data4[0], (UINTN)GuidData->Data4[1], (UINTN)GuidData->Data4[2],
+ (UINTN)GuidData->Data4[3], (UINTN)GuidData->Data4[4], (UINTN)GuidData->Data4[5],
+ (UINTN)GuidData->Data4[6], (UINTN)GuidData->Data4[7]);
+ }
+ return TheString;
+} // GuidAsString(EFI_GUID *GuidData)