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dll: fuseintf: SetSecurity implementation

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This commit is contained in:
Bill Zissimopoulos 2016-06-10 17:00:42 -07:00
parent 3490a379b0
commit e0386db270
1 changed files with 70 additions and 2 deletions
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72
src/dll/fuse/fuseintf.c
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@ -739,9 +739,77 @@ static NTSTATUS fsp_fuse_intf_GetSecurity(FSP_FILE_SYSTEM *FileSystem,
static NTSTATUS fsp_fuse_intf_SetSecurity(FSP_FILE_SYSTEM *FileSystem,
FSP_FSCTL_TRANSACT_REQ *Request,
PVOID FileNode,
SECURITY_INFORMATION SecurityInformation, PSECURITY_DESCRIPTOR SecurityDescriptor)
SECURITY_INFORMATION SecurityInformation, PSECURITY_DESCRIPTOR Ignored)
{
return STATUS_INVALID_DEVICE_REQUEST;
struct fuse *f = FileSystem->UserContext;
struct fsp_fuse_file_desc *filedesc =
(PVOID)(UINT_PTR)Request->Req.SetSecurity.UserContext2;
struct fuse_file_info fi;
UINT32 Uid, Gid, Mode, NewUid, NewGid, NewMode;
FSP_FSCTL_FILE_INFO FileInfo;
PSECURITY_DESCRIPTOR SecurityDescriptor, NewSecurityDescriptor;
int err;
NTSTATUS Result;
if (0 == f->ops.chmod)
return STATUS_INVALID_DEVICE_REQUEST;
memset(&fi, 0, sizeof fi);
fi.flags = filedesc->OpenFlags;
fi.fh = filedesc->FileHandle;
Result = fsp_fuse_intf_GetFileInfoEx(FileSystem, filedesc->PosixPath, &fi, &Uid, &Gid, &Mode,
&FileInfo);
if (!NT_SUCCESS(Result))
goto exit;
Result = FspPosixMapPermissionsToSecurityDescriptor(Uid, Gid, Mode, &SecurityDescriptor);
if (!NT_SUCCESS(Result))
goto exit;
Result = FspSetSecurityDescriptor(FileSystem, Request, SecurityDescriptor,
&NewSecurityDescriptor);
if (!NT_SUCCESS(Result))
goto exit;
Result = FspPosixMapSecurityDescriptorToPermissions(NewSecurityDescriptor,
&NewUid, &NewGid, &NewMode);
if (!NT_SUCCESS(Result))
goto exit;
if (NewMode != Mode)
{
err = f->ops.chmod(filedesc->PosixPath, NewMode);
if (0 != err)
{
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
goto exit;
}
}
if (NewUid != Uid || NewGid != Gid)
if (0 != f->ops.chown)
{
err = f->ops.chown(filedesc->PosixPath, NewUid, NewGid);
if (0 != err)
{
Result = fsp_fuse_ntstatus_from_errno(f->env, err);
goto exit;
}
}
Result = STATUS_SUCCESS;
exit:
if (0 != NewSecurityDescriptor)
FspDeleteSecurityDescriptor(SecurityDescriptor,
FspSetSecurityDescriptor);
if (0 != SecurityDescriptor)
FspDeleteSecurityDescriptor(SecurityDescriptor,
FspPosixMapPermissionsToSecurityDescriptor);
return Result;
}
struct fuse_dirhandle