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/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2019, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#ifndef TOR_ADDR_POLICY_ST_H
#define TOR_ADDR_POLICY_ST_H
#include "lib/cc/torint.h"
#include "lib/net/address.h"
/** What action type does an address policy indicate: accept or reject? */
typedef enum {
ADDR_POLICY_ACCEPT=1,
ADDR_POLICY_REJECT=2,
} addr_policy_action_t;
#define addr_policy_action_bitfield_t ENUM_BF(addr_policy_action_t)
/** A reference-counted address policy rule. */
struct addr_policy_t {
int refcnt; /**< Reference count */
/** What to do when the policy matches.*/
addr_policy_action_bitfield_t policy_type:2;
unsigned int is_private:1; /**< True iff this is the pseudo-address,
* "private". */
unsigned int is_canonical:1; /**< True iff this policy is the canonical
* copy (stored in a hash table to avoid
* duplication of common policies) */
maskbits_t maskbits; /**< Accept/reject all addresses <b>a</b> such that the
* first <b>maskbits</b> bits of <b>a</b> match
* <b>addr</b>. */
/** Base address to accept or reject.
*
* Note that wildcards are treated
* differntly depending on address family. An AF_UNSPEC address means
* "All addresses, IPv4 or IPv6." An AF_INET address with maskbits==0 means
* "All IPv4 addresses" and an AF_INET6 address with maskbits == 0 means
* "All IPv6 addresses".
**/
tor_addr_t addr;
uint16_t prt_min; /**< Lowest port number to accept/reject. */
uint16_t prt_max; /**< Highest port number to accept/reject. */
};
#endif
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