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dll: fuseintf: Create implementation

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This commit is contained in:
Bill Zissimopoulos 2016-06-09 17:14:00 -07:00
parent bc777f2d91
commit c74f34eaf0
1 changed files with 139 additions and 1 deletions
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140
src/dll/fuse/fuseintf.c
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@ -298,7 +298,145 @@ static NTSTATUS fsp_fuse_intf_Create(FSP_FILE_SYSTEM *FileSystem,
UINT32 FileAttributes, PSECURITY_DESCRIPTOR SecurityDescriptor, UINT64 AllocationSize,
PVOID *PFileNode, FSP_FSCTL_FILE_INFO *FileInfo)
{
return STATUS_INVALID_DEVICE_REQUEST;
struct fuse *f = FileSystem->UserContext;
struct fuse_context *context = fsp_fuse_get_context(0);
struct fsp_fuse_context_header *contexthdr =
(PVOID)((PUINT8)context - sizeof *contexthdr);
UINT32 Uid, Gid, Mode;
FSP_FSCTL_FILE_INFO FileInfoBuf;
struct fsp_fuse_file_desc *filedesc = 0;
struct fuse_file_info fi;
BOOLEAN Opened = FALSE;
int err;
NTSTATUS Result;
filedesc = MemAlloc(sizeof *filedesc);
if (0 == filedesc)
{
Result = STATUS_INSUFFICIENT_RESOURCES;
goto exit;
}
Uid = context->uid;
Gid = context->gid;
Mode = 0777;
if (0 != SecurityDescriptor)
{
Result = FspPosixMapSecurityDescriptorToPermissions(SecurityDescriptor,
&Uid, &Gid, &Mode);
if (!NT_SUCCESS(Result))
goto exit;
}
Mode &= ~context->umask;
memset(&fi, 0, sizeof fi);
if (CreateOptions & FILE_DIRECTORY_FILE)
{
if (0 != f->ops.mkdir)
{
err = f->ops.mkdir(contexthdr->PosixPath, Mode);
if (0 != err)
{
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
goto exit;
}
if (0 != f->ops.opendir)
{
err = f->ops.opendir(contexthdr->PosixPath, &fi);
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
}
}
else
Result = STATUS_SUCCESS;
}
else
{
if (0 != f->ops.create)
{
err = f->ops.create(contexthdr->PosixPath, Mode, &fi);
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
}
else if (0 != f->ops.mknod && 0 != f->ops.open)
{
err = f->ops.mknod(contexthdr->PosixPath, Mode, 0);
if (0 != err)
{
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
goto exit;
}
fi.flags = O_RDWR;
err = f->ops.open(contexthdr->PosixPath, &fi);
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
}
else
Result = STATUS_INVALID_DEVICE_REQUEST;
}
if (!NT_SUCCESS(Result))
goto exit;
Opened = TRUE;
if (Uid != context->uid || Gid != context->gid)
if (0 != f->ops.chown)
{
err = f->ops.chown(contexthdr->PosixPath, Uid, Gid);
if (0 != err)
{
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
goto exit;
}
}
/*
* Ignore fuse_file_info::direct_io, fuse_file_info::keep_cache
* WinFsp does not currently support disabling the cache manager
* for an individual file although it should not be hard to add
* if required.
*
* Ignore fuse_file_info::nonseekable.
*/
Result = fsp_fuse_intf_GetFileInfoByPath(FileSystem, contexthdr->PosixPath,
&Uid, &Gid, &Mode, &FileInfoBuf);
if (!NT_SUCCESS(Result))
goto exit;
*PFileNode = 0;
memcpy(FileInfo, &FileInfoBuf, sizeof FileInfoBuf);
filedesc->PosixPath = contexthdr->PosixPath;
filedesc->IsDirectory = !!(FileInfoBuf.FileAttributes & FILE_ATTRIBUTE_DIRECTORY);
filedesc->OpenFlags = fi.flags;
filedesc->FileHandle = fi.fh;
contexthdr->PosixPath = 0;
contexthdr->Response->Rsp.Create.Opened.UserContext2 = (UINT64)(UINT_PTR)filedesc;
Result = STATUS_SUCCESS;
exit:
if (!NT_SUCCESS(Result))
{
if (Opened)
{
if (CreateOptions & FILE_DIRECTORY_FILE)
{
if (0 != f->ops.releasedir)
f->ops.releasedir(filedesc->PosixPath, &fi);
}
else
{
if (0 != f->ops.release)
f->ops.release(filedesc->PosixPath, &fi);
}
}
MemFree(filedesc);
}
return Result;
}
static NTSTATUS fsp_fuse_intf_Open(FSP_FILE_SYSTEM *FileSystem,