Line data    Source code

       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) 2007-2021, The Tor Project, Inc. */
       5             : /* See LICENSE for licensing information */
       6             : 
       7             : /**
       8             :  * \file authmode.c
       9             :  * \brief What kind of directory authority are we?
      10             :  *
      11             :  * If we're not an authority, these functions are all replaced with 0 in
      12             :  * authmode.h.
      13             :  **/
      14             : 
      15             : #include "core/or/or.h"
      16             : #include "app/config/config.h"
      17             : #include "feature/dirauth/authmode.h"
      18             : 
      19             : #include "feature/nodelist/routerinfo_st.h"
      20             : 
      21             : /** Return true iff we believe ourselves to be an authoritative
      22             :  * directory server.
      23             :  */
      24             : int
      25        9341 : authdir_mode(const or_options_t *options)
      26             : {
      27        9341 :   return options->AuthoritativeDir != 0;
      28             : }
      29             : 
      30             : /* Return true iff we believe ourselves to be a v3 authoritative directory
      31             :  * server. */
      32             : int
      33        1255 : authdir_mode_v3(const or_options_t *options)
      34             : {
      35        1255 :   return authdir_mode(options) && options->V3AuthoritativeDir != 0;
      36             : }
      37             : 
      38             : /** Return true iff we are an authoritative directory server that is
      39             :  * authoritative about receiving and serving descriptors of type
      40             :  * <b>purpose</b> on its dirport.
      41             :  */
      42             : int
      43         134 : authdir_mode_handles_descs(const or_options_t *options, int purpose)
      44             : {
      45         134 :   if (BUG(purpose < 0)) /* Deprecated. */
      46           0 :     return authdir_mode(options);
      47         134 :   else if (purpose == ROUTER_PURPOSE_GENERAL)
      48         134 :     return authdir_mode_v3(options);
      49           0 :   else if (purpose == ROUTER_PURPOSE_BRIDGE)
      50           0 :     return authdir_mode_bridge(options);
      51             :   else
      52             :     return 0;
      53             : }
      54             : /** Return true iff we are an authoritative directory server that
      55             :  * publishes its own network statuses.
      56             :  */
      57             : int
      58           0 : authdir_mode_publishes_statuses(const or_options_t *options)
      59             : {
      60           0 :   if (authdir_mode_bridge(options))
      61             :     return 0;
      62           0 :   return authdir_mode(options);
      63             : }
      64             : /** Return true iff we are an authoritative directory server that
      65             :  * tests reachability of the descriptors it learns about.
      66             :  */
      67             : int
      68           9 : authdir_mode_tests_reachability(const or_options_t *options)
      69             : {
      70           9 :   return authdir_mode(options);
      71             : }
      72             : /** Return true iff we believe ourselves to be a bridge authoritative
      73             :  * directory server.
      74             :  */
      75             : int
      76         312 : authdir_mode_bridge(const or_options_t *options)
      77             : {
      78         312 :   return authdir_mode(options) && options->BridgeAuthoritativeDir != 0;
      79             : }