Fix the sandbox when used with the SANDBOX_EXPORTS define.

sandbox/src/filesystem_interception.h

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sandbox/src/nt_internals.h"
 #include "sandbox/src/sandbox_types.h"
 
 #ifndef SANDBOX_SRC_FILESYSTEM_INTERCEPTION_H__
 #define SANDBOX_SRC_FILESYSTEM_INTERCEPTION_H__
 
 namespace sandbox {
 
 extern "C" {
 
 // Interception of NtCreateFile on the child process.
 SANDBOX_INTERCEPT NTSTATUS WINAPI TargetNtCreateFile(

[amit, 2008/09/07 00:19:14]

For future needs, does it make sense to export this one as well?

     NtCreateFileFunction orig_CreateFile, PHANDLE file,
     ACCESS_MASK desired_access, POBJECT_ATTRIBUTES object_attributes,
     PIO_STATUS_BLOCK io_status, PLARGE_INTEGER allocation_size,
     ULONG file_attributes, ULONG sharing, ULONG disposition, ULONG options,
     PVOID ea_buffer, ULONG ea_length);
 
 // Interception of NtOpenFile on the child process.
 SANDBOX_INTERCEPT NTSTATUS WINAPI TargetNtOpenFile(
     NtOpenFileFunction orig_OpenFile, PHANDLE file, ACCESS_MASK desired_access,

[amit, 2008/09/07 00:19:14]

Ditto, as above.

     POBJECT_ATTRIBUTES object_attributes, PIO_STATUS_BLOCK io_status,
     ULONG sharing, ULONG options);
 
 // Interception of NtQueryAtttributesFile on the child process.
 // It should never be called directly.
-NTSTATUS WINAPI TargetNtQueryAttributesFile(
+SANDBOX_INTERCEPT NTSTATUS WINAPI TargetNtQueryAttributesFile(
     NtQueryAttributesFileFunction orig_QueryAttributes,
     POBJECT_ATTRIBUTES object_attributes,
     PFILE_BASIC_INFORMATION file_attributes);
 
 // Interception of NtQueryFullAtttributesFile on the child process.
 // It should never be called directly.
-NTSTATUS WINAPI TargetNtQueryFullAttributesFile(
+SANDBOX_INTERCEPT NTSTATUS WINAPI TargetNtQueryFullAttributesFile(
     NtQueryFullAttributesFileFunction orig_QueryAttributes,
     POBJECT_ATTRIBUTES object_attributes,
     PFILE_NETWORK_OPEN_INFORMATION file_attributes);
 
 // Interception of NtSetInformationFile on the child process.
-NTSTATUS WINAPI TargetNtSetInformationFile(
+SANDBOX_INTERCEPT NTSTATUS WINAPI TargetNtSetInformationFile(
     NtSetInformationFileFunction orig_SetInformationFile, HANDLE file,
     PIO_STATUS_BLOCK io_status, PVOID file_information, ULONG length,
     FILE_INFORMATION_CLASS file_information_class);
 
 }  // extern "C"
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_SRC_FILESYSTEM_INTERCEPTION_H__