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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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