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 bridgeauth.c
       9             :  * @brief Bridge authority code
      10             :  **/
      11             : 
      12             : #include "core/or/or.h"
      13             : #include "feature/dirauth/bridgeauth.h"
      14             : #include "feature/dirauth/voteflags.h"
      15             : #include "feature/nodelist/networkstatus.h"
      16             : #include "feature/relay/router.h"
      17             : #include "app/config/config.h"
      18             : 
      19             : #include "feature/nodelist/routerinfo_st.h"
      20             : 
      21             : /** Write out router status entries for all our bridge descriptors. Here, we
      22             :  * also mark routers as running. */
      23             : void
      24           0 : bridgeauth_dump_bridge_status_to_file(time_t now)
      25             : {
      26           0 :   char *status;
      27           0 :   char *fname = NULL;
      28           0 :   char *thresholds = NULL;
      29           0 :   char *published_thresholds_and_status = NULL;
      30           0 :   char published[ISO_TIME_LEN+1];
      31           0 :   const routerinfo_t *me = router_get_my_routerinfo();
      32           0 :   char fingerprint[FINGERPRINT_LEN+1];
      33           0 :   char *fingerprint_line = NULL;
      34             : 
      35           0 :   dirserv_set_bridges_running(now);
      36           0 :   status = networkstatus_getinfo_by_purpose("bridge", now);
      37             : 
      38           0 :   if (me && crypto_pk_get_fingerprint(me->identity_pkey,
      39             :                                       fingerprint, 0) >= 0) {
      40           0 :     tor_asprintf(&fingerprint_line, "fingerprint %s\n", fingerprint);
      41             :   } else {
      42           0 :     log_warn(LD_BUG, "Error computing fingerprint for bridge status.");
      43             :   }
      44           0 :   format_iso_time(published, now);
      45           0 :   dirserv_compute_bridge_flag_thresholds();
      46           0 :   thresholds = dirserv_get_flag_thresholds_line();
      47           0 :   tor_asprintf(&published_thresholds_and_status,
      48             :                "published %s\nflag-thresholds %s\n%s%s",
      49           0 :                published, thresholds, fingerprint_line ? fingerprint_line : "",
      50             :                status);
      51           0 :   fname = get_datadir_fname("networkstatus-bridges");
      52           0 :   if (write_str_to_file(fname,published_thresholds_and_status,0)<0) {
      53           0 :     log_warn(LD_DIRSERV, "Unable to write networkstatus-bridges file.");
      54             :   }
      55           0 :   tor_free(thresholds);
      56           0 :   tor_free(published_thresholds_and_status);
      57           0 :   tor_free(fname);
      58           0 :   tor_free(status);
      59           0 :   tor_free(fingerprint_line);
      60           0 : }