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diff --git a/src/tools/tor-fw-helper/tor-fw-helper.h b/src/tools/tor-fw-helper/tor-fw-helper.h
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--- a/src/tools/tor-fw-helper/tor-fw-helper.h
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-/* Copyright (c) 2010, Jacob Appelbaum, Steven J. Murdoch.
- * Copyright (c) 2010-2015, The Tor Project, Inc. */
-/* See LICENSE for licensing information */
-
-/**
- * \file tor-fw-helper.h
- * \brief The main header for our firewall helper.
- **/
-
-#ifndef TOR_TOR_FW_HELPER_H
-#define TOR_TOR_FW_HELPER_H
-
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <getopt.h>
-#include <time.h>
-
-/** The current version of tor-fw-helper. */
-#define tor_fw_version "0.2"
-
-/** This is an arbitrary hard limit - We currently have two (NAT-PMP and UPnP).
- We're likely going to add the Intel UPnP library but nothing else comes to
- mind at the moment. */
-#define MAX_BACKENDS 23
-
-/** Forward traffic received in port <b>external_port</b> in the
- * external side of our NAT to <b>internal_port</b> in this host. */
-typedef struct {
- uint16_t external_port;
- uint16_t internal_port;
-} port_to_forward_t;
-
-/** This is where we store parsed commandline options. */
-typedef struct {
- int verbose;
- int help;
- int test_commandline;
- struct smartlist_t *ports_to_forward;
- int fetch_public_ip;
- int nat_pmp_status;
- int upnp_status;
- int public_ip_status;
-} tor_fw_options_t;
-
-/** This is our main structure that defines our backend helper API; each helper
- * must conform to these public methods if it expects to be handled in a
- * non-special way. */
-typedef struct tor_fw_backend_t {
- const char *name;
- size_t state_len;
- int (*init)(tor_fw_options_t *options, void *backend_state);
- int (*cleanup)(tor_fw_options_t *options, void *backend_state);
- int (*fetch_public_ip)(tor_fw_options_t *options, void *backend_state);
- int (*add_tcp_mapping)(uint16_t internal_port, uint16_t external_port,
- int is_verbose, void *backend_state);
-} tor_fw_backend_t;
-#endif
-