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Version 0.14.1

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-solved a serious bug with AMI-specific file displacement after volume
modification
This commit is contained in:
Nikolaj Schlej 2014-01-03 16:31:14 +01:00
parent 41fb0cbbf5
commit 17ee8a445a
3 changed files with 61 additions and 14 deletions
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39
ffsengine.cpp
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@ -1929,6 +1929,19 @@ UINT8 FfsEngine::reconstruct(const QModelIndex & index, QQueue<QByteArray> & que
}
}
// Ensure that AMI file before VTF is the second latest file of the volume
foreach(const QByteArray & child, childrenQueue) {
// Check for AMI before VTF file
if (child.left(sizeof(EFI_GUID)) == EFI_AMI_FFS_FILE_BEFORE_VTF_GUID) {
if(childrenQueue.indexOf(child) + 2 != childrenQueue.length()) {
// Remove file and add it to the end of the volume
QByteArray amiBeforeVtf = child;
childrenQueue.removeAll(child);
childrenQueue.insert(--childrenQueue.end(), amiBeforeVtf);
}
}
}
// Get volume size
UINT32 volumeSize;
result = getVolumeSize(header, 0, volumeSize);
@ -1951,6 +1964,32 @@ UINT8 FfsEngine::reconstruct(const QModelIndex & index, QQueue<QByteArray> & que
QByteArray file = childrenQueue.dequeue();
EFI_FFS_FILE_HEADER* fileHeader = (EFI_FFS_FILE_HEADER*) file.data();
// This is the second latest file in the volume
if (childrenQueue.count() == 1) {
// This file can be AMI file before VTF
if (file.left(sizeof(EFI_GUID)) == EFI_AMI_FFS_FILE_BEFORE_VTF_GUID) {
// Determine correct offset
UINT32 amiOffset = volumeSize - header.size() - file.size() - EFI_AMI_FFS_FILE_BEFORE_VTF_OFFSET;
// Insert pad file to fill the gap
if (amiOffset > offset) {
// Determine pad file size
UINT32 size = amiOffset - offset;
// Construct pad file
QByteArray pad;
result = constructPadFile(size, revision, polarity, pad);
if (result)
return result;
// Append constructed pad file to volume body
reconstructed.append(pad);
offset = amiOffset;
}
if (amiOffset < offset) {
msg(tr("%1: volume has no free space left").arg(guidToQString(volumeHeader->FileSystemGuid)), index);
return ERR_INVALID_VOLUME;
}
}
}
// Check alignment
UINT8 alignmentPower;
UINT32 base;