src/or/policies.h

   1 /* Copyright (c) 2001 Matej Pfajfar.
   2  * Copyright (c) 2001-2004, Roger Dingledine.
   3  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
   4  * Copyright (c) 2007-2011, The Tor Project, Inc. */
   5 /* See LICENSE for licensing information */
   6
   7 /**
   8  * \file policies.h
   9  * \brief Header file for policies.c.
  10  **/
  11
  12 #ifndef _TOR_POLICIES_H
  13 #define _TOR_POLICIES_H
  14
  15 /* (length of "accept 255.255.255.255/255.255.255.255:65535-65535\n" plus a
  16  * NUL.)
  17  */
  18 #define POLICY_BUF_LEN 52
  19
  20 int firewall_is_fascist_or(void);
  21 int fascist_firewall_allows_address_or(const tor_addr_t *addr, uint16_t port);
  22 int fascist_firewall_allows_or(routerinfo_t *ri);
  23 int fascist_firewall_allows_address_dir(const tor_addr_t *addr, uint16_t port);
  24 int dir_policy_permits_address(const tor_addr_t *addr);
  25 int socks_policy_permits_address(const tor_addr_t *addr);
  26 int authdir_policy_permits_address(uint32_t addr, uint16_t port);
  27 int authdir_policy_valid_address(uint32_t addr, uint16_t port);
  28 int authdir_policy_baddir_address(uint32_t addr, uint16_t port);
  29 int authdir_policy_badexit_address(uint32_t addr, uint16_t port);
  30
  31 int validate_addr_policies(or_options_t *options, char **msg);
  32 void policy_expand_private(smartlist_t **policy);
  33 int policies_parse_from_options(or_options_t *options);
  34
  35 addr_policy_t *addr_policy_get_canonical_entry(addr_policy_t *ent);
  36 int cmp_addr_policies(smartlist_t *a, smartlist_t *b);
  37 addr_policy_result_t compare_tor_addr_to_addr_policy(const tor_addr_t *addr,
  38                               uint16_t port, const smartlist_t *policy);
  39 addr_policy_result_t compare_addr_to_addr_policy(uint32_t addr,
  40                               uint16_t port, const smartlist_t *policy);
  41 int policies_parse_exit_policy(config_line_t *cfg, smartlist_t **dest,
  42                                int rejectprivate, const char *local_address,
  43                                int add_default_policy);
  44 void policies_exit_policy_append_reject_star(smartlist_t **dest);
  45 void policies_set_router_exitpolicy_to_reject_all(routerinfo_t *exitrouter);
  46 int exit_policy_is_general_exit(smartlist_t *policy);
  47 int policy_is_reject_star(const smartlist_t *policy);
  48 int getinfo_helper_policies(control_connection_t *conn,
  49                             const char *question, char **answer,
  50                             const char **errmsg);
  51 int policy_write_item(char *buf, size_t buflen, addr_policy_t *item,
  52                       int format_for_desc);
  53
  54 void addr_policy_list_free(smartlist_t *p);
  55 void addr_policy_free(addr_policy_t *p);
  56 void policies_free_all(void);
  57
  58 char *policy_summarize(smartlist_t *policy);
  59
  60 #endif
  61