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Implemented IOCTL_GET_APFS_INFO ioctl #4

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Implemented IOCTL_GET_APFS_INFO ioctl #4

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34 changes: 34 additions & 0 deletions ufs/ufsd/src/apfs/apfs.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -220,6 +220,40 @@ int CApfsFileSystem::ReInit(
return CUnixFileSystem::ReInit( Options, Flags, Params );
}

int CApfsFileSystem::OnGetApfsInfo()
{
size_t BytesReturned = 0;
struct UFSD_VOLUME_APFS_INFO *info = (struct UFSD_VOLUME_APFS_INFO *) m_IO.OutBuffer;
for (unsigned int Idx = 0; Idx < m_pApfsSuper->GetMountedVolumesCount(); Idx++) {
if (BytesReturned + sizeof(struct UFSD_VOLUME_APFS_INFO) > m_IO.OutBufferSize)
{
if (m_IO.BytesReturned)
*m_IO.BytesReturned = BytesReturned;
return Idx ? ERR_MORE_DATA : ERR_INSUFFICIENT_BUFFER;
}
CApfsVolumeSb *vol = m_pApfsSuper->GetVolume(Idx);
apfs_vsb *volSb = vol->GetVolumeSb();
info[Idx] = {
.BlocksUsed = volSb->vsb_blocks_used,
.BlocksReserved = volSb->vsb_blocks_reserved,
.FilesCount = volSb->vsb_files_count,
.DirsCount = volSb->vsb_dirs_count,
.SymlinksCount = volSb->vsb_symlinks_count,
.SpecFilesCount = volSb->vsb_spec_files_count,
.SnapshotsCount = volSb->vsb_snapshots_count,
.Index = Idx,
.Encrypted = vol->IsEncrypted(),
.CaseSensitive = vol->IsCaseSensitive()
};
Memcpy2(info[Idx].SerialNumber, volSb->vsb_uuid, 0x10);
Memcpy2(info[Idx].VolumeName, volSb->vsb_volname, 0x100);
info[Idx].Creator[0] = '\0';
BytesReturned += sizeof(struct UFSD_VOLUME_APFS_INFO);
}
if (m_IO.BytesReturned)
*m_IO.BytesReturned = BytesReturned;
return ERR_NOERROR;
}

#ifdef UFSD_APFS_RO
/////////////////////////////////////////////////////////////////////////////
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6 changes: 3 additions & 3 deletions ufs/ufsd/src/apfs/apfs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -126,14 +126,14 @@ class CApfsFileSystem : public CUnixFileSystem
// Find cluster with the last checkpoint superblock
int FindCSBBlock(const apfs_sb* pMSB, UINT64& Block) const;

// Handler for IOCTL_GET_APFS_INFO
virtual int OnGetApfsInfo();

#ifndef UFSD_APFS_RO
//=================================================================
// APFS I/O handlers
//=================================================================

// Handler for IOCTL_GET_APFS_INFO
virtual int OnGetApfsInfo();

// Handler for IOCTL_GET_RETRIEVAL_POINTERS2
virtual int OnGetRetrievalPointers();

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23 changes: 16 additions & 7 deletions ufs/ufsd/src/unixfs/unixfs.cpp
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Expand Up @@ -241,15 +241,24 @@ int CUnixFileSystem::SetVolumeInfo(
}

int CUnixFileSystem::IoControl(
IN size_t ,
IN const void* ,
IN size_t ,
OUT void* ,
IN size_t ,
OUT size_t*
IN size_t FsIoControlCode,
IN const void* InBuffer,
IN size_t InBufferSize,
OUT void* OutBuffer,
IN size_t OutBufferSize,
OUT size_t* BytesReturned
)
{
return ERR_NOTIMPLEMENTED;
m_IO.InBuffer = InBuffer;
m_IO.InBufferSize = InBufferSize;
m_IO.OutBuffer = OutBuffer;
m_IO.OutBufferSize = OutBufferSize;
m_IO.BytesReturned = BytesReturned;
switch (FsIoControlCode) {
case IOCTL_GET_APFS_INFO:
return OnGetApfsInfo();
}
return ERR_NOTIMPLEMENTED;
}

int CUnixFileSystem::OnGetRetrievalPointers() { return ERR_NOTIMPLEMENTED; }
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