Tor  0.4.5.0-alpha-dev
main.c
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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) 2007-2020, The Tor Project, Inc. */
5 /* See LICENSE for licensing information */
6 
7 /**
8  * \file main.c
9  * \brief Invocation module. Initializes subsystems and runs the main loop.
10  **/
11 
12 #include "core/or/or.h"
13 
14 #include "app/config/config.h"
15 #include "app/config/statefile.h"
16 #include "app/config/quiet_level.h"
17 #include "app/main/main.h"
18 #include "app/main/ntmain.h"
19 #include "app/main/shutdown.h"
20 #include "app/main/subsysmgr.h"
23 #include "core/mainloop/mainloop.h"
26 #include "core/or/channel.h"
27 #include "core/or/channelpadding.h"
28 #include "core/or/circuitpadding.h"
29 #include "core/or/circuitlist.h"
30 #include "core/or/command.h"
31 #include "core/or/connection_or.h"
32 #include "core/or/relay.h"
33 #include "core/or/status.h"
34 #include "feature/api/tor_api.h"
40 #include "feature/dirauth/keypin.h"
45 #include "feature/hs/hs_dos.h"
49 #include "feature/relay/dns.h"
53 #include "feature/rend/rendcache.h"
56 #include "feature/stats/bwhist.h"
57 #include "feature/stats/rephist.h"
58 #include "lib/compress/compress.h"
59 #include "lib/buf/buffers.h"
62 #include "lib/net/resolve.h"
63 #include "lib/trace/trace.h"
64 
65 #include "lib/process/waitpid.h"
67 
68 #include "lib/meminfo/meminfo.h"
69 #include "lib/osinfo/uname.h"
70 #include "lib/osinfo/libc.h"
71 #include "lib/sandbox/sandbox.h"
72 #include "lib/fs/lockfile.h"
73 #include "lib/tls/tortls.h"
75 #include "lib/encoding/confline.h"
76 #include "lib/evloop/timers.h"
78 #include "lib/version/torversion.h"
79 
80 #include <event2/event.h>
81 
84 
86 #include "core/or/port_cfg_st.h"
87 
88 #ifdef HAVE_UNISTD_H
89 #include <unistd.h>
90 #endif
91 
92 #ifdef HAVE_SYSTEMD
93 # if defined(__COVERITY__) && !defined(__INCLUDE_LEVEL__)
94 /* Systemd's use of gcc's __INCLUDE_LEVEL__ extension macro appears to confuse
95  * Coverity. Here's a kludge to unconfuse it.
96  */
97 # define __INCLUDE_LEVEL__ 2
98 #endif /* defined(__COVERITY__) && !defined(__INCLUDE_LEVEL__) */
99 #include <systemd/sd-daemon.h>
100 #endif /* defined(HAVE_SYSTEMD) */
101 
102 #ifdef HAVE_RUST
103 // helper function defined in Rust to output a log message indicating if tor is
104 // running with Rust enabled. See src/rust/tor_util
105 void rust_log_welcome_string(void);
106 #endif
107 
108 /********* PROTOTYPES **********/
109 
110 static void dumpmemusage(int severity);
111 static void dumpstats(int severity); /* log stats */
112 static void process_signal(int sig);
113 
114 /** Called when we get a SIGHUP: reload configuration files and keys,
115  * retry all connections, and so on. */
116 static int
117 do_hup(void)
118 {
119  const or_options_t *options = get_options();
120 
121  log_notice(LD_GENERAL,"Received reload signal (hup). Reloading config and "
122  "resetting internal state.");
123  if (accounting_is_enabled(options))
125 
128  /* first, reload config variables, in case they've changed */
129  if (options->ReloadTorrcOnSIGHUP) {
130  /* no need to provide argc/v, they've been cached in init_from_config */
131  int init_rv = options_init_from_torrc(0, NULL);
132  if (init_rv < 0) {
133  log_err(LD_CONFIG,"Reading config failed--see warnings above. "
134  "For usage, try -h.");
135  return -1;
136  } else if (BUG(init_rv > 0)) {
137  // LCOV_EXCL_START
138  /* This should be impossible: the only "return 1" cases in
139  * options_init_from_torrc are ones caused by command-line arguments;
140  * but they can't change while Tor is running. */
141  return -1;
142  // LCOV_EXCL_STOP
143  }
144  options = get_options(); /* they have changed now */
145  /* Logs are only truncated the first time they are opened, but were
146  probably intended to be cleaned up on signal. */
147  if (options->TruncateLogFile)
148  truncate_logs();
149  } else {
150  char *msg = NULL;
151  log_notice(LD_GENERAL, "Not reloading config file: the controller told "
152  "us not to.");
153  /* Make stuff get rescanned, reloaded, etc. */
154  if (set_options((or_options_t*)options, &msg) < 0) {
155  if (!msg)
156  msg = tor_strdup("Unknown error");
157  log_warn(LD_GENERAL, "Unable to re-set previous options: %s", msg);
158  tor_free(msg);
159  }
160  }
161  if (authdir_mode(options)) {
162  /* reload the approved-routers file */
163  if (dirserv_load_fingerprint_file() < 0) {
164  /* warnings are logged from dirserv_load_fingerprint_file() directly */
165  log_info(LD_GENERAL, "Error reloading fingerprints. "
166  "Continuing with old list.");
167  }
168  }
169 
170  /* Rotate away from the old dirty circuits. This has to be done
171  * after we've read the new options, but before we start using
172  * circuits for directory fetches. */
174 
175  /* retry appropriate downloads */
178  if (!net_is_disabled())
179  update_networkstatus_downloads(time(NULL));
180 
181  /* We'll retry routerstatus downloads in about 10 seconds; no need to
182  * force a retry there. */
183 
184  if (server_mode(options)) {
185  /* Maybe we've been given a new ed25519 key or certificate?
186  */
187  time_t now = approx_time();
188  int new_signing_key = load_ed_keys(options, now);
189  if (new_signing_key < 0 ||
190  generate_ed_link_cert(options, now, new_signing_key > 0)) {
191  log_warn(LD_OR, "Problem reloading Ed25519 keys; still using old keys.");
192  }
193 
194  /* Update cpuworker and dnsworker processes, so they get up-to-date
195  * configuration options. */
197  dns_reset();
198  }
199  return 0;
200 }
201 
202 /** Libevent callback: invoked when we get a signal.
203  */
204 static void
205 signal_callback(evutil_socket_t fd, short events, void *arg)
206 {
207  const int *sigptr = arg;
208  const int sig = *sigptr;
209  (void)fd;
210  (void)events;
211 
212  update_current_time(time(NULL));
213  process_signal(sig);
214 }
215 
216 /** Do the work of acting on a signal received in <b>sig</b> */
217 static void
219 {
220  switch (sig)
221  {
222  case SIGTERM:
223  log_notice(LD_GENERAL,"Catching signal TERM, exiting cleanly.");
225  break;
226  case SIGINT:
227  if (!server_mode(get_options())) { /* do it now */
228  log_notice(LD_GENERAL,"Interrupt: exiting cleanly.");
230  return;
231  }
232 #ifdef HAVE_SYSTEMD
233  sd_notify(0, "STOPPING=1");
234 #endif
236  break;
237 #ifdef SIGPIPE
238  case SIGPIPE:
239  log_debug(LD_GENERAL,"Caught SIGPIPE. Ignoring.");
240  break;
241 #endif
242  case SIGUSR1:
243  /* prefer to log it at INFO, but make sure we always see it */
246  break;
247  case SIGUSR2:
249  log_debug(LD_GENERAL,"Caught USR2, going to loglevel debug. "
250  "Send HUP to change back.");
252  break;
253  case SIGHUP:
254 #ifdef HAVE_SYSTEMD
255  sd_notify(0, "RELOADING=1");
256 #endif
257  if (do_hup() < 0) {
258  log_warn(LD_CONFIG,"Restart failed (config error?). Exiting.");
260  return;
261  }
262 #ifdef HAVE_SYSTEMD
263  sd_notify(0, "READY=1");
264 #endif
266  break;
267 #ifdef SIGCHLD
268  case SIGCHLD:
270  break;
271 #endif
272  case SIGNEWNYM: {
273  do_signewnym(time(NULL));
274  break;
275  }
276  case SIGCLEARDNSCACHE:
279  break;
280  case SIGHEARTBEAT:
281  log_heartbeat(time(NULL));
283  break;
284  case SIGACTIVE:
285  /* "SIGACTIVE" counts as ersatz user activity. */
288  break;
289  case SIGDORMANT:
290  /* "SIGDORMANT" means to ignore past user activity */
291  log_notice(LD_GENERAL, "Going dormant because of controller request.");
296  break;
297  }
298 }
299 
300 #ifdef _WIN32
301 /** Activate SIGINT on receiving a control signal in console. */
302 static BOOL WINAPI
303 process_win32_console_ctrl(DWORD ctrl_type)
304 {
305  /* Ignore type of the ctrl signal */
306  (void) ctrl_type;
307 
308  activate_signal(SIGINT);
309  return TRUE;
310 }
311 #endif
312 
313 /**
314  * Write current memory usage information to the log.
315  */
316 static void
317 dumpmemusage(int severity)
318 {
320  tor_log(severity, LD_GENERAL, "In rephist: %"PRIu64" used by %d Tors.",
322  dump_routerlist_mem_usage(severity);
323  dump_cell_pool_usage(severity);
324  dump_dns_mem_usage(severity);
325  tor_log_mallinfo(severity);
326 }
327 
328 /** Write all statistics to the log, with log level <b>severity</b>. Called
329  * in response to a SIGUSR1. */
330 static void
331 dumpstats(int severity)
332 {
333  time_t now = time(NULL);
334  time_t elapsed;
335  size_t rbuf_cap, wbuf_cap, rbuf_len, wbuf_len;
336 
337  tor_log(severity, LD_GENERAL, "Dumping stats:");
338 
340  int i = conn_sl_idx;
341  tor_log(severity, LD_GENERAL,
342  "Conn %d (socket %d) is a %s, created %d secs ago",
343  i, (int)conn->s,
344  connection_describe(conn),
345  (int)(now - conn->timestamp_created));
346  if (!connection_is_listener(conn)) {
347  tor_log(severity,LD_GENERAL,
348  "Conn %d: %d bytes waiting on inbuf (len %d, last read %d secs ago)",
349  i,
350  (int)connection_get_inbuf_len(conn),
351  (int)buf_allocation(conn->inbuf),
352  (int)(now - conn->timestamp_last_read_allowed));
353  tor_log(severity,LD_GENERAL,
354  "Conn %d: %d bytes waiting on outbuf "
355  "(len %d, last written %d secs ago)",i,
356  (int)connection_get_outbuf_len(conn),
357  (int)buf_allocation(conn->outbuf),
358  (int)(now - conn->timestamp_last_write_allowed));
359  if (conn->type == CONN_TYPE_OR) {
360  or_connection_t *or_conn = TO_OR_CONN(conn);
361  if (or_conn->tls) {
362  if (tor_tls_get_buffer_sizes(or_conn->tls, &rbuf_cap, &rbuf_len,
363  &wbuf_cap, &wbuf_len) == 0) {
364  tor_log(severity, LD_GENERAL,
365  "Conn %d: %d/%d bytes used on OpenSSL read buffer; "
366  "%d/%d bytes used on write buffer.",
367  i, (int)rbuf_len, (int)rbuf_cap, (int)wbuf_len, (int)wbuf_cap);
368  }
369  }
370  }
371  }
372  circuit_dump_by_conn(conn, severity); /* dump info about all the circuits
373  * using this conn */
374  } SMARTLIST_FOREACH_END(conn);
375 
376  channel_dumpstats(severity);
377  channel_listener_dumpstats(severity);
378 
379  tor_log(severity, LD_NET,
380  "Cells processed: %"PRIu64" padding\n"
381  " %"PRIu64" create\n"
382  " %"PRIu64" created\n"
383  " %"PRIu64" relay\n"
384  " (%"PRIu64" relayed)\n"
385  " (%"PRIu64" delivered)\n"
386  " %"PRIu64" destroy",
395  tor_log(severity,LD_NET,"Average packaged cell fullness: %2.3f%%",
396  100*(((double)stats_n_data_bytes_packaged) /
399  tor_log(severity,LD_NET,"Average delivered cell fullness: %2.3f%%",
400  100*(((double)stats_n_data_bytes_received) /
402 
403  cpuworker_log_onionskin_overhead(severity, ONION_HANDSHAKE_TYPE_TAP, "TAP");
404  cpuworker_log_onionskin_overhead(severity, ONION_HANDSHAKE_TYPE_NTOR,"ntor");
405 
406  if (now - time_of_process_start >= 0)
407  elapsed = now - time_of_process_start;
408  else
409  elapsed = 0;
410 
411  if (elapsed) {
412  tor_log(severity, LD_NET,
413  "Average bandwidth: %"PRIu64"/%d = %d bytes/sec reading",
414  (get_bytes_read()),
415  (int)elapsed,
416  (int) (get_bytes_read()/elapsed));
417  tor_log(severity, LD_NET,
418  "Average bandwidth: %"PRIu64"/%d = %d bytes/sec writing",
419  (get_bytes_written()),
420  (int)elapsed,
421  (int) (get_bytes_written()/elapsed));
422  }
423 
424  tor_log(severity, LD_NET, "--------------- Dumping memory information:");
425  dumpmemusage(severity);
426 
427  rep_hist_dump_stats(now,severity);
428  rend_service_dump_stats(severity);
429  hs_service_dump_stats(severity);
430 }
431 
432 #ifdef _WIN32
433 #define UNIX_ONLY 0
434 #else
435 #define UNIX_ONLY 1
436 #endif
437 
438 static struct {
439  /** A numeric code for this signal. Must match the signal value if
440  * try_to_register is true. */
442  /** True if we should try to register this signal with libevent and catch
443  * corresponding posix signals. False otherwise. */
445  /** Pointer to hold the event object constructed for this signal. */
446  struct event *signal_event;
447 } signal_handlers[] = {
448 #ifdef SIGINT
449  { SIGINT, UNIX_ONLY, NULL }, /* do a controlled slow shutdown */
450 #endif
451 #ifdef SIGTERM
452  { SIGTERM, UNIX_ONLY, NULL }, /* to terminate now */
453 #endif
454 #ifdef SIGPIPE
455  { SIGPIPE, UNIX_ONLY, NULL }, /* otherwise SIGPIPE kills us */
456 #endif
457 #ifdef SIGUSR1
458  { SIGUSR1, UNIX_ONLY, NULL }, /* dump stats */
459 #endif
460 #ifdef SIGUSR2
461  { SIGUSR2, UNIX_ONLY, NULL }, /* go to loglevel debug */
462 #endif
463 #ifdef SIGHUP
464  { SIGHUP, UNIX_ONLY, NULL }, /* to reload config, retry conns, etc */
465 #endif
466 #ifdef SIGXFSZ
467  { SIGXFSZ, UNIX_ONLY, NULL }, /* handle file-too-big resource exhaustion */
468 #endif
469 #ifdef SIGCHLD
470  { SIGCHLD, UNIX_ONLY, NULL }, /* handle dns/cpu workers that exit */
471 #endif
472  /* These are controller-only */
473  { SIGNEWNYM, 0, NULL },
474  { SIGCLEARDNSCACHE, 0, NULL },
475  { SIGHEARTBEAT, 0, NULL },
476  { SIGACTIVE, 0, NULL },
477  { SIGDORMANT, 0, NULL },
478  { -1, -1, NULL }
479 };
480 
481 /** Set up the signal handler events for this process, and register them
482  * with libevent if appropriate. */
483 void
485 {
486  int i;
487  const int enabled = !get_options()->DisableSignalHandlers;
488 
489  for (i = 0; signal_handlers[i].signal_value >= 0; ++i) {
490  /* Signal handlers are only registered with libevent if they need to catch
491  * real POSIX signals. We construct these signal handler events in either
492  * case, though, so that controllers can activate them with the SIGNAL
493  * command.
494  */
495  if (enabled && signal_handlers[i].try_to_register) {
496  signal_handlers[i].signal_event =
497  tor_evsignal_new(tor_libevent_get_base(),
498  signal_handlers[i].signal_value,
500  &signal_handlers[i].signal_value);
501  if (event_add(signal_handlers[i].signal_event, NULL))
502  log_warn(LD_BUG, "Error from libevent when adding "
503  "event for signal %d",
504  signal_handlers[i].signal_value);
505  } else {
506  signal_handlers[i].signal_event =
507  tor_event_new(tor_libevent_get_base(), -1,
508  EV_SIGNAL, signal_callback,
509  &signal_handlers[i].signal_value);
510  }
511  }
512 
513 #ifdef _WIN32
514  /* Windows lacks traditional POSIX signals but WinAPI provides a function
515  * to handle control signals like Ctrl+C in the console, we can use this to
516  * simulate the SIGINT signal */
517  if (enabled) SetConsoleCtrlHandler(process_win32_console_ctrl, TRUE);
518 #endif
519 }
520 
521 /* Cause the signal handler for signal_num to be called in the event loop. */
522 void
523 activate_signal(int signal_num)
524 {
525  int i;
526  for (i = 0; signal_handlers[i].signal_value >= 0; ++i) {
527  if (signal_handlers[i].signal_value == signal_num) {
528  event_active(signal_handlers[i].signal_event, EV_SIGNAL, 1);
529  return;
530  }
531  }
532 }
533 
534 /** Main entry point for the Tor command-line client. Return 0 on "success",
535  * negative on "failure", and positive on "success and exit".
536  */
537 int
538 tor_init(int argc, char *argv[])
539 {
540  char progname[256];
542 
543  time_of_process_start = time(NULL);
545  /* Have the log set up with our application name. */
546  tor_snprintf(progname, sizeof(progname), "Tor %s", get_version());
547  log_set_application_name(progname);
548 
549  /* Initialize the history structures. */
550  rep_hist_init();
551  bwhist_init();
552  /* Initialize the service cache. */
553  rend_cache_init();
554  addressmap_init(); /* Init the client dns cache. Do it always, since it's
555  * cheap. */
556 
557  /* Initialize the HS subsystem. */
558  hs_init();
559 
560  {
561  /* We check for the "quiet"/"hush" settings first, since they decide
562  whether we log anything at all to stdout. */
563  parsed_cmdline_t *cmdline;
564  cmdline = config_parse_commandline(argc, argv, 1);
565  if (cmdline)
566  quiet = cmdline->quiet_level;
567  parsed_cmdline_free(cmdline);
568  }
569 
570  /* give it somewhere to log to initially */
572  quiet_level = quiet;
573 
574  {
575  const char *version = get_version();
576 
577  log_notice(LD_GENERAL, "Tor %s running on %s with Libevent %s, "
578  "%s %s, Zlib %s, Liblzma %s, Libzstd %s and %s %s as libc.",
579  version,
580  get_uname(),
584  tor_compress_supports_method(ZLIB_METHOD) ?
585  tor_compress_version_str(ZLIB_METHOD) : "N/A",
586  tor_compress_supports_method(LZMA_METHOD) ?
587  tor_compress_version_str(LZMA_METHOD) : "N/A",
588  tor_compress_supports_method(ZSTD_METHOD) ?
589  tor_compress_version_str(ZSTD_METHOD) : "N/A",
591  tor_libc_get_name() : "Unknown",
593 
594  log_notice(LD_GENERAL, "Tor can't help you if you use it wrong! "
595  "Learn how to be safe at "
596  "https://www.torproject.org/download/download#warning");
597 
598  if (strstr(version, "alpha") || strstr(version, "beta"))
599  log_notice(LD_GENERAL, "This version is not a stable Tor release. "
600  "Expect more bugs than usual.");
601 
603  }
604 
605 #ifdef HAVE_RUST
606  rust_log_welcome_string();
607 #endif /* defined(HAVE_RUST) */
608 
609  /* Warn _if_ the tracing subsystem is built in. */
610  tracing_log_warning();
611 
612  int init_rv = options_init_from_torrc(argc,argv);
613  if (init_rv < 0) {
614  log_err(LD_CONFIG,"Reading config failed--see warnings above.");
615  return -1;
616  } else if (init_rv > 0) {
617  // We succeeded, and should exit anyway -- probably the user just said
618  // "--version" or something like that.
619  return 1;
620  }
621 
622  /* Initialize channelpadding and circpad parameters to defaults
623  * until we get a consensus */
626 
627  /* Initialize circuit padding to defaults+torrc until we get a consensus */
629 
630  /* Initialize hidden service DoS subsystem. We need to do this once the
631  * configuration object has been set because it can be accessed. */
632  hs_dos_init();
633 
634  /* Initialize predicted ports list after loading options */
635  predicted_ports_init();
636 
637 #ifndef _WIN32
638  if (geteuid()==0)
639  log_warn(LD_GENERAL,"You are running Tor as root. You don't need to, "
640  "and you probably shouldn't.");
641 #endif
642 
643  /* Scan/clean unparseable descriptors; after reading config */
645 
646  return 0;
647 }
648 
649 /** A lockfile structure, used to prevent two Tors from messing with the
650  * data directory at once. If this variable is non-NULL, we're holding
651  * the lockfile. */
652 static tor_lockfile_t *lockfile = NULL;
653 
654 /** Try to grab the lock file described in <b>options</b>, if we do not
655  * already have it. If <b>err_if_locked</b> is true, warn if somebody else is
656  * holding the lock, and exit if we can't get it after waiting. Otherwise,
657  * return -1 if we can't get the lockfile. Return 0 on success.
658  */
659 int
660 try_locking(const or_options_t *options, int err_if_locked)
661 {
662  if (lockfile)
663  return 0;
664  else {
665  char *fname = options_get_datadir_fname(options, "lock");
666  int already_locked = 0;
667  tor_lockfile_t *lf = tor_lockfile_lock(fname, 0, &already_locked);
668  tor_free(fname);
669  if (!lf) {
670  if (err_if_locked && already_locked) {
671  int r;
672  log_warn(LD_GENERAL, "It looks like another Tor process is running "
673  "with the same data directory. Waiting 5 seconds to see "
674  "if it goes away.");
675 #ifndef _WIN32
676  sleep(5);
677 #else
678  Sleep(5000);
679 #endif
680  r = try_locking(options, 0);
681  if (r<0) {
682  log_err(LD_GENERAL, "No, it's still there. Exiting.");
683  return -1;
684  }
685  return r;
686  }
687  return -1;
688  }
689  lockfile = lf;
690  return 0;
691  }
692 }
693 
694 /** Return true iff we've successfully acquired the lock file. */
695 int
697 {
698  return lockfile != NULL;
699 }
700 
701 /** If we have successfully acquired the lock file, release it. */
702 void
704 {
705  if (lockfile) {
707  lockfile = NULL;
708  }
709 }
710 
711 /**
712  * Remove the specified file, and log a warning if the operation fails for
713  * any reason other than the file not existing. Ignores NULL filenames.
714  */
715 void
716 tor_remove_file(const char *filename)
717 {
718  if (filename && tor_unlink(filename) != 0 && errno != ENOENT) {
719  log_warn(LD_FS, "Couldn't unlink %s: %s",
720  filename, strerror(errno));
721  }
722 }
723 
724 /** Read/create keys as needed, and echo our fingerprint to stdout. */
725 static int
727 {
728  char buf[FINGERPRINT_LEN+1];
729  crypto_pk_t *k;
730  const char *nickname = get_options()->Nickname;
731  sandbox_disable_getaddrinfo_cache();
732  if (!server_mode(get_options())) {
733  log_err(LD_GENERAL,
734  "Clients don't have long-term identity keys. Exiting.");
735  return -1;
736  }
737  tor_assert(nickname);
738  if (init_keys() < 0) {
739  log_err(LD_GENERAL,"Error initializing keys; exiting.");
740  return -1;
741  }
742  if (!(k = get_server_identity_key())) {
743  log_err(LD_GENERAL,"Error: missing identity key.");
744  return -1;
745  }
746  if (crypto_pk_get_fingerprint(k, buf, 1)<0) {
747  log_err(LD_BUG, "Error computing fingerprint");
748  return -1;
749  }
750  printf("%s %s\n", nickname, buf);
751  return 0;
752 }
753 
754 /** Entry point for password hashing: take the desired password from
755  * the command line, and print its salted hash to stdout. **/
756 static void
758 {
759 
760  char output[256];
762 
764  key[S2K_RFC2440_SPECIFIER_LEN-1] = (uint8_t)96; /* Hash 64 K of data. */
766  get_options()->command_arg, strlen(get_options()->command_arg),
767  key);
768  base16_encode(output, sizeof(output), key, sizeof(key));
769  printf("16:%s\n",output);
770 }
771 
772 /** Entry point for configuration dumping: write the configuration to
773  * stdout. */
774 static int
776 {
777  const or_options_t *options = get_options();
778  const char *arg = options->command_arg;
779  int how;
780  char *opts;
781 
782  if (!strcmp(arg, "short")) {
783  how = OPTIONS_DUMP_MINIMAL;
784  } else if (!strcmp(arg, "non-builtin")) {
785  // Deprecated since 0.4.5.1-alpha.
786  fprintf(stderr, "'non-builtin' is deprecated; use 'short' instead.\n");
787  how = OPTIONS_DUMP_MINIMAL;
788  } else if (!strcmp(arg, "full")) {
789  how = OPTIONS_DUMP_ALL;
790  } else {
791  fprintf(stderr, "No valid argument to --dump-config found!\n");
792  fprintf(stderr, "Please select 'short' or 'full'.\n");
793 
794  return -1;
795  }
796 
797  opts = options_dump(options, how);
798  printf("%s", opts);
799  tor_free(opts);
800 
801  return 0;
802 }
803 
804 static void
805 init_addrinfo(void)
806 {
807  if (! server_mode(get_options()) || get_options()->Address) {
808  /* We don't need to seed our own hostname, because we won't be calling
809  * resolve_my_address on it.
810  */
811  return;
812  }
813  char hname[256];
814 
815  // host name to sandbox
816  gethostname(hname, sizeof(hname));
817  tor_add_addrinfo(hname);
818 }
819 
820 static sandbox_cfg_t*
821 sandbox_init_filter(void)
822 {
823  const or_options_t *options = get_options();
825  int i;
826 
828  get_cachedir_fname("cached-status"));
829 
830 #define OPEN(name) \
831  sandbox_cfg_allow_open_filename(&cfg, tor_strdup(name))
832 
833 #define OPENDIR(dir) \
834  sandbox_cfg_allow_opendir_dirname(&cfg, tor_strdup(dir))
835 
836 #define OPEN_DATADIR(name) \
837  sandbox_cfg_allow_open_filename(&cfg, get_datadir_fname(name))
838 
839 #define OPEN_DATADIR2(name, name2) \
840  sandbox_cfg_allow_open_filename(&cfg, get_datadir_fname2((name), (name2)))
841 
842 #define OPEN_DATADIR_SUFFIX(name, suffix) do { \
843  OPEN_DATADIR(name); \
844  OPEN_DATADIR(name suffix); \
845  } while (0)
846 
847 #define OPEN_DATADIR2_SUFFIX(name, name2, suffix) do { \
848  OPEN_DATADIR2(name, name2); \
849  OPEN_DATADIR2(name, name2 suffix); \
850  } while (0)
851 
852 // KeyDirectory is a directory, but it is only opened in check_private_dir
853 // which calls open instead of opendir
854 #define OPEN_KEY_DIRECTORY() \
855  OPEN(options->KeyDirectory)
856 #define OPEN_CACHEDIR(name) \
857  sandbox_cfg_allow_open_filename(&cfg, get_cachedir_fname(name))
858 #define OPEN_CACHEDIR_SUFFIX(name, suffix) do { \
859  OPEN_CACHEDIR(name); \
860  OPEN_CACHEDIR(name suffix); \
861  } while (0)
862 #define OPEN_KEYDIR(name) \
863  sandbox_cfg_allow_open_filename(&cfg, get_keydir_fname(name))
864 #define OPEN_KEYDIR_SUFFIX(name, suffix) do { \
865  OPEN_KEYDIR(name); \
866  OPEN_KEYDIR(name suffix); \
867  } while (0)
868 
869  // DataDirectory is a directory, but it is only opened in check_private_dir
870  // which calls open instead of opendir
871  OPEN(options->DataDirectory);
872  OPEN_KEY_DIRECTORY();
873 
874  OPEN_CACHEDIR_SUFFIX("cached-certs", ".tmp");
875  OPEN_CACHEDIR_SUFFIX("cached-consensus", ".tmp");
876  OPEN_CACHEDIR_SUFFIX("unverified-consensus", ".tmp");
877  OPEN_CACHEDIR_SUFFIX("unverified-microdesc-consensus", ".tmp");
878  OPEN_CACHEDIR_SUFFIX("cached-microdesc-consensus", ".tmp");
879  OPEN_CACHEDIR_SUFFIX("cached-microdescs", ".tmp");
880  OPEN_CACHEDIR_SUFFIX("cached-microdescs.new", ".tmp");
881  OPEN_CACHEDIR_SUFFIX("cached-descriptors", ".tmp");
882  OPEN_CACHEDIR_SUFFIX("cached-descriptors.new", ".tmp");
883  OPEN_CACHEDIR("cached-descriptors.tmp.tmp");
884  OPEN_CACHEDIR_SUFFIX("cached-extrainfo", ".tmp");
885  OPEN_CACHEDIR_SUFFIX("cached-extrainfo.new", ".tmp");
886  OPEN_CACHEDIR("cached-extrainfo.tmp.tmp");
887 
888  OPEN_DATADIR_SUFFIX("state", ".tmp");
889  OPEN_DATADIR_SUFFIX("sr-state", ".tmp");
890  OPEN_DATADIR_SUFFIX("unparseable-desc", ".tmp");
891  OPEN_DATADIR_SUFFIX("v3-status-votes", ".tmp");
892  OPEN_DATADIR("key-pinning-journal");
893  OPEN("/dev/srandom");
894  OPEN("/dev/urandom");
895  OPEN("/dev/random");
896  OPEN("/etc/hosts");
897  OPEN("/proc/meminfo");
898 
899  if (options->BridgeAuthoritativeDir)
900  OPEN_DATADIR_SUFFIX("networkstatus-bridges", ".tmp");
901 
902  if (authdir_mode(options))
903  OPEN_DATADIR("approved-routers");
904 
905  if (options->ServerDNSResolvConfFile)
907  tor_strdup(options->ServerDNSResolvConfFile));
908  else
909  sandbox_cfg_allow_open_filename(&cfg, tor_strdup("/etc/resolv.conf"));
910 
911  for (i = 0; i < 2; ++i) {
912  if (get_torrc_fname(i)) {
913  sandbox_cfg_allow_open_filename(&cfg, tor_strdup(get_torrc_fname(i)));
914  }
915  }
916 
917  SMARTLIST_FOREACH(options->FilesOpenedByIncludes, char *, f, {
918  if (file_status(f) == FN_DIR) {
919  OPENDIR(f);
920  } else {
921  OPEN(f);
922  }
923  });
924 
925 #define RENAME_SUFFIX(name, suffix) \
926  sandbox_cfg_allow_rename(&cfg, \
927  get_datadir_fname(name suffix), \
928  get_datadir_fname(name))
929 
930 #define RENAME_SUFFIX2(prefix, name, suffix) \
931  sandbox_cfg_allow_rename(&cfg, \
932  get_datadir_fname2(prefix, name suffix), \
933  get_datadir_fname2(prefix, name))
934 
935 #define RENAME_CACHEDIR_SUFFIX(name, suffix) \
936  sandbox_cfg_allow_rename(&cfg, \
937  get_cachedir_fname(name suffix), \
938  get_cachedir_fname(name))
939 
940 #define RENAME_KEYDIR_SUFFIX(name, suffix) \
941  sandbox_cfg_allow_rename(&cfg, \
942  get_keydir_fname(name suffix), \
943  get_keydir_fname(name))
944 
945  RENAME_CACHEDIR_SUFFIX("cached-certs", ".tmp");
946  RENAME_CACHEDIR_SUFFIX("cached-consensus", ".tmp");
947  RENAME_CACHEDIR_SUFFIX("unverified-consensus", ".tmp");
948  RENAME_CACHEDIR_SUFFIX("unverified-microdesc-consensus", ".tmp");
949  RENAME_CACHEDIR_SUFFIX("cached-microdesc-consensus", ".tmp");
950  RENAME_CACHEDIR_SUFFIX("cached-microdescs", ".tmp");
951  RENAME_CACHEDIR_SUFFIX("cached-microdescs", ".new");
952  RENAME_CACHEDIR_SUFFIX("cached-microdescs.new", ".tmp");
953  RENAME_CACHEDIR_SUFFIX("cached-descriptors", ".tmp");
954  RENAME_CACHEDIR_SUFFIX("cached-descriptors", ".new");
955  RENAME_CACHEDIR_SUFFIX("cached-descriptors.new", ".tmp");
956  RENAME_CACHEDIR_SUFFIX("cached-extrainfo", ".tmp");
957  RENAME_CACHEDIR_SUFFIX("cached-extrainfo", ".new");
958  RENAME_CACHEDIR_SUFFIX("cached-extrainfo.new", ".tmp");
959 
960  RENAME_SUFFIX("state", ".tmp");
961  RENAME_SUFFIX("sr-state", ".tmp");
962  RENAME_SUFFIX("unparseable-desc", ".tmp");
963  RENAME_SUFFIX("v3-status-votes", ".tmp");
964 
965  if (options->BridgeAuthoritativeDir)
966  RENAME_SUFFIX("networkstatus-bridges", ".tmp");
967 
968 #define STAT_DATADIR(name) \
969  sandbox_cfg_allow_stat_filename(&cfg, get_datadir_fname(name))
970 
971 #define STAT_CACHEDIR(name) \
972  sandbox_cfg_allow_stat_filename(&cfg, get_cachedir_fname(name))
973 
974 #define STAT_DATADIR2(name, name2) \
975  sandbox_cfg_allow_stat_filename(&cfg, get_datadir_fname2((name), (name2)))
976 
977 #define STAT_KEY_DIRECTORY() \
978  sandbox_cfg_allow_stat_filename(&cfg, tor_strdup(options->KeyDirectory))
979 
980  STAT_DATADIR(NULL);
981  STAT_DATADIR("lock");
982  STAT_DATADIR("state");
983  STAT_DATADIR("router-stability");
984 
985  STAT_CACHEDIR("cached-extrainfo.new");
986 
987  {
988  smartlist_t *files = smartlist_new();
990  SMARTLIST_FOREACH(files, char *, file_name, {
991  /* steals reference */
992  sandbox_cfg_allow_open_filename(&cfg, file_name);
993  });
994  smartlist_free(files);
995  }
996 
997  {
998  smartlist_t *files = smartlist_new();
999  smartlist_t *dirs = smartlist_new();
1001  SMARTLIST_FOREACH(files, char *, file_name, {
1002  char *tmp_name = NULL;
1003  tor_asprintf(&tmp_name, "%s.tmp", file_name);
1004  sandbox_cfg_allow_rename(&cfg,
1005  tor_strdup(tmp_name), tor_strdup(file_name));
1006  /* steals references */
1007  sandbox_cfg_allow_open_filename(&cfg, file_name);
1008  sandbox_cfg_allow_open_filename(&cfg, tmp_name);
1009  });
1010  SMARTLIST_FOREACH(dirs, char *, dir, {
1011  /* steals reference */
1013  });
1014  smartlist_free(files);
1015  smartlist_free(dirs);
1016  }
1017 
1018  {
1019  char *fname;
1020  if ((fname = get_controller_cookie_file_name())) {
1021  sandbox_cfg_allow_open_filename(&cfg, fname);
1022  }
1023  if ((fname = get_ext_or_auth_cookie_file_name())) {
1024  sandbox_cfg_allow_open_filename(&cfg, fname);
1025  }
1026  }
1027 
1029  if (!port->is_unix_addr)
1030  continue;
1031  /* When we open an AF_UNIX address, we want permission to open the
1032  * directory that holds it. */
1033  char *dirname = tor_strdup(port->unix_addr);
1034  if (get_parent_directory(dirname) == 0) {
1035  OPENDIR(dirname);
1036  }
1037  tor_free(dirname);
1038  sandbox_cfg_allow_chmod_filename(&cfg, tor_strdup(port->unix_addr));
1039  sandbox_cfg_allow_chown_filename(&cfg, tor_strdup(port->unix_addr));
1040  } SMARTLIST_FOREACH_END(port);
1041 
1042  if (options->DirPortFrontPage) {
1044  tor_strdup(options->DirPortFrontPage));
1045  }
1046 
1047  // orport
1048  if (server_mode(get_options())) {
1049 
1050  OPEN_KEYDIR_SUFFIX("secret_id_key", ".tmp");
1051  OPEN_KEYDIR_SUFFIX("secret_onion_key", ".tmp");
1052  OPEN_KEYDIR_SUFFIX("secret_onion_key_ntor", ".tmp");
1053  OPEN_KEYDIR("secret_id_key.old");
1054  OPEN_KEYDIR("secret_onion_key.old");
1055  OPEN_KEYDIR("secret_onion_key_ntor.old");
1056 
1057  OPEN_KEYDIR_SUFFIX("ed25519_master_id_secret_key", ".tmp");
1058  OPEN_KEYDIR_SUFFIX("ed25519_master_id_secret_key_encrypted", ".tmp");
1059  OPEN_KEYDIR_SUFFIX("ed25519_master_id_public_key", ".tmp");
1060  OPEN_KEYDIR_SUFFIX("ed25519_signing_secret_key", ".tmp");
1061  OPEN_KEYDIR_SUFFIX("ed25519_signing_secret_key_encrypted", ".tmp");
1062  OPEN_KEYDIR_SUFFIX("ed25519_signing_public_key", ".tmp");
1063  OPEN_KEYDIR_SUFFIX("ed25519_signing_cert", ".tmp");
1064 
1065  OPEN_DATADIR2_SUFFIX("stats", "bridge-stats", ".tmp");
1066  OPEN_DATADIR2_SUFFIX("stats", "dirreq-stats", ".tmp");
1067 
1068  OPEN_DATADIR2_SUFFIX("stats", "entry-stats", ".tmp");
1069  OPEN_DATADIR2_SUFFIX("stats", "exit-stats", ".tmp");
1070  OPEN_DATADIR2_SUFFIX("stats", "buffer-stats", ".tmp");
1071  OPEN_DATADIR2_SUFFIX("stats", "conn-stats", ".tmp");
1072  OPEN_DATADIR2_SUFFIX("stats", "hidserv-stats", ".tmp");
1073 
1074  OPEN_DATADIR("approved-routers");
1075  OPEN_DATADIR_SUFFIX("fingerprint", ".tmp");
1076  OPEN_DATADIR_SUFFIX("fingerprint-ed25519", ".tmp");
1077  OPEN_DATADIR_SUFFIX("hashed-fingerprint", ".tmp");
1078  OPEN_DATADIR_SUFFIX("router-stability", ".tmp");
1079 
1080  OPEN("/etc/resolv.conf");
1081 
1082  RENAME_SUFFIX("fingerprint", ".tmp");
1083  RENAME_SUFFIX("fingerprint-ed25519", ".tmp");
1084  RENAME_KEYDIR_SUFFIX("secret_onion_key_ntor", ".tmp");
1085 
1086  RENAME_KEYDIR_SUFFIX("secret_id_key", ".tmp");
1087  RENAME_KEYDIR_SUFFIX("secret_id_key.old", ".tmp");
1088  RENAME_KEYDIR_SUFFIX("secret_onion_key", ".tmp");
1089  RENAME_KEYDIR_SUFFIX("secret_onion_key.old", ".tmp");
1090 
1091  RENAME_SUFFIX2("stats", "bridge-stats", ".tmp");
1092  RENAME_SUFFIX2("stats", "dirreq-stats", ".tmp");
1093  RENAME_SUFFIX2("stats", "entry-stats", ".tmp");
1094  RENAME_SUFFIX2("stats", "exit-stats", ".tmp");
1095  RENAME_SUFFIX2("stats", "buffer-stats", ".tmp");
1096  RENAME_SUFFIX2("stats", "conn-stats", ".tmp");
1097  RENAME_SUFFIX2("stats", "hidserv-stats", ".tmp");
1098  RENAME_SUFFIX("hashed-fingerprint", ".tmp");
1099  RENAME_SUFFIX("router-stability", ".tmp");
1100 
1101  RENAME_KEYDIR_SUFFIX("ed25519_master_id_secret_key", ".tmp");
1102  RENAME_KEYDIR_SUFFIX("ed25519_master_id_secret_key_encrypted", ".tmp");
1103  RENAME_KEYDIR_SUFFIX("ed25519_master_id_public_key", ".tmp");
1104  RENAME_KEYDIR_SUFFIX("ed25519_signing_secret_key", ".tmp");
1105  RENAME_KEYDIR_SUFFIX("ed25519_signing_cert", ".tmp");
1106 
1107  sandbox_cfg_allow_rename(&cfg,
1108  get_keydir_fname("secret_onion_key"),
1109  get_keydir_fname("secret_onion_key.old"));
1110  sandbox_cfg_allow_rename(&cfg,
1111  get_keydir_fname("secret_onion_key_ntor"),
1112  get_keydir_fname("secret_onion_key_ntor.old"));
1113 
1114  STAT_KEY_DIRECTORY();
1115  OPEN_DATADIR("stats");
1116  STAT_DATADIR("stats");
1117  STAT_DATADIR2("stats", "dirreq-stats");
1118 
1120  }
1121 
1122  init_addrinfo();
1123 
1124  return cfg;
1125 }
1126 
1127 int
1128 run_tor_main_loop(void)
1129 {
1130  handle_signals();
1133 
1134  /* load the private keys, if we're supposed to have them, and set up the
1135  * TLS context. */
1136  if (! client_identity_key_is_set()) {
1137  if (init_keys() < 0) {
1138  log_err(LD_OR, "Error initializing keys; exiting");
1139  return -1;
1140  }
1141  }
1142 
1143  /* Set up our buckets */
1145 
1146  /* initialize the bootstrap status events to know we're starting up */
1147  control_event_bootstrap(BOOTSTRAP_STATUS_STARTING, 0);
1148 
1149  /* Initialize the keypinning log. */
1150  if (authdir_mode_v3(get_options())) {
1151  char *fname = get_datadir_fname("key-pinning-journal");
1152  int r = 0;
1153  if (keypin_load_journal(fname)<0) {
1154  log_err(LD_DIR, "Error loading key-pinning journal: %s",strerror(errno));
1155  r = -1;
1156  }
1157  if (keypin_open_journal(fname)<0) {
1158  log_err(LD_DIR, "Error opening key-pinning journal: %s",strerror(errno));
1159  r = -1;
1160  }
1161  tor_free(fname);
1162  if (r)
1163  return r;
1164  }
1165  {
1166  /* This is the old name for key-pinning-journal. These got corrupted
1167  * in a couple of cases by #16530, so we started over. See #16580 for
1168  * the rationale and for other options we didn't take. We can remove
1169  * this code once all the authorities that ran 0.2.7.1-alpha-dev are
1170  * upgraded.
1171  */
1172  char *fname = get_datadir_fname("key-pinning-entries");
1173  unlink(fname);
1174  tor_free(fname);
1175  }
1176 
1177  if (trusted_dirs_reload_certs()) {
1178  log_warn(LD_DIR,
1179  "Couldn't load all cached v3 certificates. Starting anyway.");
1180  }
1182  return -1;
1183  }
1184  /* load the routers file, or assign the defaults. */
1185  if (router_reload_router_list()) {
1186  return -1;
1187  }
1188  /* load the networkstatuses. (This launches a download for new routers as
1189  * appropriate.)
1190  */
1191  const time_t now = time(NULL);
1192  directory_info_has_arrived(now, 1, 0);
1193 
1195  /* launch cpuworkers. Need to do this *after* we've read the onion key. */
1196  cpu_init();
1197  }
1199 
1200  /* Setup shared random protocol subsystem. */
1201  if (authdir_mode_v3(get_options())) {
1202  if (sr_init(1) < 0) {
1203  return -1;
1204  }
1205  }
1206 
1207  /* initialize dns resolve map, spawn workers if needed */
1208  if (dns_init() < 0) {
1209  if (get_options()->ServerDNSAllowBrokenConfig)
1210  log_warn(LD_GENERAL, "Couldn't set up any working nameservers. "
1211  "Network not up yet? Will try again soon.");
1212  else {
1213  log_err(LD_GENERAL,"Error initializing dns subsystem; exiting. To "
1214  "retry instead, set the ServerDNSAllowBrokenResolvConf option.");
1215  }
1216  }
1217 
1218 #ifdef HAVE_SYSTEMD
1219  {
1220  const int r = sd_notify(0, "READY=1");
1221  if (r < 0) {
1222  log_warn(LD_GENERAL, "Unable to send readiness to systemd: %s",
1223  strerror(r));
1224  } else if (r > 0) {
1225  log_notice(LD_GENERAL, "Signaled readiness to systemd");
1226  } else {
1227  log_info(LD_GENERAL, "Systemd NOTIFY_SOCKET not present.");
1228  }
1229  }
1230 #endif /* defined(HAVE_SYSTEMD) */
1231 
1232  return do_main_loop();
1233 }
1234 
1235 /** Install the publish/subscribe relationships for all the subsystems. */
1236 void
1238 {
1239  pubsub_builder_t *builder = pubsub_builder_new();
1240  int r = subsystems_add_pubsub(builder);
1241  tor_assert(r == 0);
1242  r = tor_mainloop_connect_pubsub(builder); // consumes builder
1243  tor_assert(r == 0);
1244 }
1245 
1246 /** Connect the mainloop to its publish/subscribe message delivery events if
1247  * appropriate, and configure the global channels appropriately. */
1248 void
1250 {
1251  if (get_options()->command == CMD_RUN_TOR) {
1253  /* XXXX For each pubsub channel, its delivery strategy should be set at
1254  * this XXXX point, using tor_mainloop_set_delivery_strategy().
1255  */
1258  }
1259 }
1260 
1261 /* Main entry point for the Tor process. Called from tor_main(), and by
1262  * anybody embedding Tor. */
1263 int
1265 {
1266  int result = 0;
1267 
1268 #ifdef EVENT_SET_MEM_FUNCTIONS_IMPLEMENTED
1269  event_set_mem_functions(tor_malloc_, tor_realloc_, tor_free_);
1270 #endif
1271 
1272  subsystems_init();
1273 
1275 
1276  int argc = tor_cfg->argc + tor_cfg->argc_owned;
1277  char **argv = tor_calloc(argc, sizeof(char*));
1278  memcpy(argv, tor_cfg->argv, tor_cfg->argc*sizeof(char*));
1279  if (tor_cfg->argc_owned)
1280  memcpy(argv + tor_cfg->argc, tor_cfg->argv_owned,
1281  tor_cfg->argc_owned*sizeof(char*));
1282 
1283  int done = 0;
1284  result = nt_service_parse_options(argc, argv, &done);
1285  if (POSSIBLE(done))
1286  goto done;
1287 
1288  pubsub_install();
1289 
1290  {
1291  int init_rv = tor_init(argc, argv);
1292  if (init_rv) {
1293  tor_free_all(0);
1294  result = (init_rv < 0) ? -1 : 0;
1295  goto done;
1296  }
1297  }
1298 
1299  pubsub_connect();
1300 
1301  if (get_options()->Sandbox && get_options()->command == CMD_RUN_TOR) {
1302  sandbox_cfg_t* cfg = sandbox_init_filter();
1303 
1304  if (sandbox_init(cfg)) {
1305  tor_free(argv);
1306  log_err(LD_BUG,"Failed to create syscall sandbox filter");
1307  tor_free_all(0);
1308  return -1;
1309  }
1310  tor_make_getaddrinfo_cache_active();
1311 
1312  // registering libevent rng
1313 #ifdef HAVE_EVUTIL_SECURE_RNG_SET_URANDOM_DEVICE_FILE
1314  evutil_secure_rng_set_urandom_device_file(
1315  (char*) sandbox_intern_string("/dev/urandom"));
1316 #endif
1317  }
1318 
1319  switch (get_options()->command) {
1320  case CMD_RUN_TOR:
1321  nt_service_set_state(SERVICE_RUNNING);
1322  result = run_tor_main_loop();
1323  break;
1324  case CMD_KEYGEN:
1325  result = load_ed_keys(get_options(), time(NULL)) < 0;
1326  break;
1327  case CMD_KEY_EXPIRATION:
1328  init_keys();
1329  result = log_cert_expiration();
1330  break;
1331  case CMD_LIST_FINGERPRINT:
1332  result = do_list_fingerprint();
1333  break;
1334  case CMD_HASH_PASSWORD:
1335  do_hash_password();
1336  result = 0;
1337  break;
1338  case CMD_VERIFY_CONFIG:
1339  if (quiet_level == QUIET_NONE)
1340  printf("Configuration was valid\n");
1341  result = 0;
1342  break;
1343  case CMD_DUMP_CONFIG:
1344  result = do_dump_config();
1345  break;
1346  case CMD_RUN_UNITTESTS: /* only set by test.c */
1347  case CMD_IMMEDIATE: /* Handled in config.c */
1348  default:
1349  log_warn(LD_BUG,"Illegal command number %d: internal error.",
1350  get_options()->command);
1351  result = -1;
1352  }
1353  tor_cleanup();
1354  done:
1355  tor_free(argv);
1356  return result;
1357 }
pubsub_connect
void pubsub_connect(void)
Definition: main.c:1249
or_options_t::ServerDNSResolvConfFile
char * ServerDNSResolvConfFile
Definition: or_options_st.h:615
routermode.h
Header file for routermode.c.
net_is_disabled
int net_is_disabled(void)
Definition: netstatus.c:25
tor_free
#define tor_free(p)
Definition: malloc.h:52
cpuworker_log_onionskin_overhead
void cpuworker_log_onionskin_overhead(int severity, int onionskin_type, const char *onionskin_type_name)
Definition: cpuworker.c:292
do_list_fingerprint
static int do_list_fingerprint(void)
Definition: main.c:726
routerlist_reset_warnings
void routerlist_reset_warnings(void)
Definition: routerlist.c:1532
tor_free_
void tor_free_(void *mem)
Definition: malloc.c:227
do_dump_config
static int do_dump_config(void)
Definition: main.c:775
tor_init_connection_lists
void tor_init_connection_lists(void)
Definition: mainloop.c:414
tor_api_internal.h
Internal declarations for in-process Tor API.
set_options
int set_options(or_options_t *new_val, char **msg)
Definition: config.c:965
CMD_RUN_UNITTESTS
@ CMD_RUN_UNITTESTS
Definition: tor_cmdline_mode.h:29
router_reload_router_list
int router_reload_router_list(void)
Definition: routerlist.c:459
DELIV_IMMEDIATE
@ DELIV_IMMEDIATE
Definition: mainloop_pubsub.h:52
compress.h
Headers for compress.c.
options_dump
char * options_dump(const or_options_t *options, int how_to_dump)
Definition: config.c:2905
CMD_LIST_FINGERPRINT
@ CMD_LIST_FINGERPRINT
Definition: tor_cmdline_mode.h:21
CMD_RUN_TOR
@ CMD_RUN_TOR
Definition: tor_cmdline_mode.h:20
approx_time
time_t approx_time(void)
Definition: approx_time.c:32
sandbox.h
Header file for sandbox.c.
tor_init
int tor_init(int argc, char *argv[])
Definition: main.c:538
get_bytes_read
uint64_t get_bytes_read(void)
Definition: mainloop.c:465
port_cfg_st.h
Listener port configuration structure.
bwhist_init
void bwhist_init(void)
Definition: bwhist.c:139
netstatus.h
Header for netstatus.c.
tor_assert
#define tor_assert(expr)
Definition: util_bug.h:102
control.h
Header file for control.c.
routerkeys.h
Header for routerkeys.c.
LD_BUG
#define LD_BUG
Definition: log.h:86
get_parent_directory
int get_parent_directory(char *fname)
Definition: path.c:195
authcert.h
Header file for authcert.c.
or_options_t::FilesOpenedByIncludes
struct smartlist_t * FilesOpenedByIncludes
Definition: or_options_st.h:1024
channel.h
Header file for channel.c.
time_of_process_start
time_t time_of_process_start
Definition: mainloop.c:144
bwhist.h
Header for feature/stats/bwhist.c.
LD_GENERAL
#define LD_GENERAL
Definition: log.h:62
sandbox_cfg_allow_openat_filename
int sandbox_cfg_allow_openat_filename(sandbox_cfg_t **cfg, char *file)
Definition: sandbox.c:1856
tor_main_configuration_t::argv
char ** argv
Definition: tor_api_internal.h:23
base16_encode
void base16_encode(char *dest, size_t destlen, const char *src, size_t srclen)
Definition: binascii.c:478
RELAY_PAYLOAD_SIZE
#define RELAY_PAYLOAD_SIZE
Definition: or.h:606
connection_bucket_init
void connection_bucket_init(void)
Definition: connection.c:3710
sandbox_cfg_allow_open_filename
int sandbox_cfg_allow_open_filename(sandbox_cfg_t **cfg, char *file)
Definition: sandbox.c:1849
process_descs.h
Header file for process_descs.c.
control_event_bootstrap
void control_event_bootstrap(bootstrap_status_t status, int progress)
Definition: control_bootstrap.c:188
circpad_machines_init
void circpad_machines_init(void)
Definition: circuitpadding.c:2772
pubsub_build.h
Header used for constructing the OO publish-subscribe facility.
circpad_new_consensus_params
void circpad_new_consensus_params(const networkstatus_t *ns)
Definition: circuitpadding.c:1317
note_user_activity
void note_user_activity(time_t now)
Definition: netstatus.c:63
uname.h
Header for uname.c.
dump_routerlist_mem_usage
void dump_routerlist_mem_usage(int severity)
Definition: routerlist.c:1059
CMD_IMMEDIATE
@ CMD_IMMEDIATE
Definition: tor_cmdline_mode.h:27
trace.h
Header for trace.c.
crypto_init.h
Headers for crypto_init.c.
get_torrc_fname
const char * get_torrc_fname(int defaults_fname)
Definition: config.c:4706
dump_cell_pool_usage
void dump_cell_pool_usage(int severity)
Definition: relay.c:2523
notify_pending_waitpid_callbacks
void notify_pending_waitpid_callbacks(void)
Definition: waitpid.c:141
channel_dumpstats
void channel_dumpstats(int severity)
Definition: channel.c:2071
stats_n_relay_cells_delivered
uint64_t stats_n_relay_cells_delivered
Definition: relay.c:131
tor_mainloop_connect_pubsub_events
void tor_mainloop_connect_pubsub_events(void)
Definition: mainloop_pubsub.c:84
pubsub_builder_t
struct pubsub_builder_t pubsub_builder_t
Definition: pubsub_build.h:28
quiet
int quiet
Definition: config.c:2450
smartlist_new
smartlist_t * smartlist_new(void)
Definition: smartlist_core.c:26
lockfile.h
Header for lockfile.c.
quiet_level.h
Declare the quiet_level enumeration and global.
or_connection_t
Definition: or_connection_st.h:22
circuit_dump_by_conn
void circuit_dump_by_conn(connection_t *conn, int severity)
Definition: circuitlist.c:1394
tor_snprintf
int tor_snprintf(char *str, size_t size, const char *format,...)
Definition: printf.c:27
S2K_RFC2440_SPECIFIER_LEN
#define S2K_RFC2440_SPECIFIER_LEN
Definition: crypto_s2k.h:21
sr_init
int sr_init(int save_to_disk)
Definition: shared_random.c:1270
get_version
const char * get_version(void)
Definition: version.c:38
circuitpadding.h
Header file for circuitpadding.c.
stats_n_relay_cells_processed
uint64_t stats_n_relay_cells_processed
Definition: command.c:72
statefile.h
Header for statefile.c.
stats_n_created_cells_processed
uint64_t stats_n_created_cells_processed
Definition: command.c:70
hs_init
void hs_init(void)
Definition: hs_common.c:1818
cpuworkers_rotate_keyinfo
void cpuworkers_rotate_keyinfo(void)
Definition: cpuworker.c:188
truncate_logs
void truncate_logs(void)
Definition: log.c:1456
SMARTLIST_FOREACH
#define SMARTLIST_FOREACH(sl, type, var, cmd)
Definition: smartlist_foreach.h:112
get_or_state
or_state_t * get_or_state(void)
Definition: statefile.c:220
init_keys
int init_keys(void)
Definition: router.c:928
dump_dns_mem_usage
void dump_dns_mem_usage(int severity)
Definition: dns.c:2129
hs_dos.h
Header file containing denial of service defenses for the HS subsystem for all versions.
networkstatus.h
Header file for networkstatus.c.
tor_cleanup
void tor_cleanup(void)
Definition: shutdown.c:60
libc.h
Header for lib/osinfo/libc.c.
crypto_get_library_version_string
const char * crypto_get_library_version_string(void)
Definition: crypto_init.c:191
tor_run_main
int tor_run_main(const tor_main_configuration_t *tor_cfg)
Definition: main.c:1264
tor_main_configuration_t::argc
int argc
Definition: tor_api_internal.h:21
CMD_VERIFY_CONFIG
@ CMD_VERIFY_CONFIG
Definition: tor_cmdline_mode.h:23
get_bytes_written
uint64_t get_bytes_written(void)
Definition: mainloop.c:475
hibernate.h
Header file for hibernate.c.
shutdown.h
Header file for shutdown.c.
rep_hist_dump_stats
void rep_hist_dump_stats(time_t now, int severity)
Definition: rephist.c:541
tor_remove_file
void tor_remove_file(const char *filename)
Definition: main.c:716
or_options_t::TruncateLogFile
int TruncateLogFile
Definition: or_options_st.h:77
circuitlist.h
Header file for circuitlist.c.
mainloop.h
Header file for mainloop.c.
DIGEST_LEN
#define DIGEST_LEN
Definition: digest_sizes.h:20
get_uname
const char * get_uname(void)
Definition: uname.c:67
or_options_t::BridgeAuthoritativeDir
int BridgeAuthoritativeDir
Definition: or_options_st.h:239
keypin_open_journal
int keypin_open_journal(const char *fname)
Definition: keypin.c:303
options_init_from_torrc
int options_init_from_torrc(int argc, char **argv)
Definition: config.c:4445
accounting_is_enabled
int accounting_is_enabled(const or_options_t *options)
Definition: hibernate.c:305
generate_ed_link_cert
int generate_ed_link_cert(const or_options_t *options, time_t now, int force)
Definition: routerkeys.c:365
signal_callback
static void signal_callback(evutil_socket_t fd, short events, void *arg)
Definition: main.c:205
get_min_log_level
int get_min_log_level(void)
Definition: log.c:1426
hs_service_lists_fnames_for_sandbox
void hs_service_lists_fnames_for_sandbox(smartlist_t *file_list, smartlist_t *dir_list)
Definition: hs_service.c:3910
resolve.h
Header for resolve.c.
tor_free_all
void tor_free_all(int postfork)
Definition: shutdown.c:111
dumpstats
static void dumpstats(int severity)
Definition: main.c:331
CMD_HASH_PASSWORD
@ CMD_HASH_PASSWORD
Definition: tor_cmdline_mode.h:22
get_controller_cookie_file_name
char * get_controller_cookie_file_name(void)
Definition: control_auth.c:48
tor_realloc_
void * tor_realloc_(void *ptr, size_t size)
Definition: malloc.c:118
command.h
Header file for command.c.
sandbox_intern_string
#define sandbox_intern_string(s)
Definition: sandbox.h:112
rend_service_dump_stats
void rend_service_dump_stats(int severity)
Definition: rendservice.c:4384
routerparse_init
void routerparse_init(void)
Definition: routerparse.c:1233
tortls.h
Headers for tortls.c.
LD_FS
#define LD_FS
Definition: log.h:70
pubsub_builder_new
pubsub_builder_t * pubsub_builder_new(void)
Definition: pubsub_build.c:56
control_auth.h
Header file for control_auth.c.
sandbox_init
int sandbox_init(sandbox_cfg_t *cfg)
Definition: sandbox.c:1825
rep_hist_init
void rep_hist_init(void)
Definition: rephist.c:220
LD_OR
#define LD_OR
Definition: log.h:92
add_default_log_for_quiet_level
void add_default_log_for_quiet_level(quiet_level_t quiet)
Definition: quiet_level.c:24
timers_initialize
void timers_initialize(void)
Definition: timers.c:205
rephist_total_num
uint32_t rephist_total_num
Definition: rephist.c:94
dns_init
int dns_init(void)
Definition: dns.c:224
CONN_TYPE_OR
#define CONN_TYPE_OR
Definition: connection.h:44
shared_random.h
This file contains ABI/API of the shared random protocol defined in proposal #250....
tor_compress_version_str
const char * tor_compress_version_str(compress_method_t method)
Definition: compress.c:417
tor_api.h
Public C API for the Tor network service.
tor_unlink
int tor_unlink(const char *pathname)
Definition: files.c:154
crypto_s2k.h
Header for crypto_s2k.c.
control_event_signal
int control_event_signal(uintptr_t signal_num)
Definition: control_events.c:1615
meminfo.h
Header for meminfo.c.
keypin.h
Header for keypin.c.
secret_to_key_rfc2440
void secret_to_key_rfc2440(char *key_out, size_t key_out_len, const char *secret, size_t secret_len, const char *s2k_specifier)
Definition: crypto_s2k.c:203
authmode.h
Header file for directory authority mode.
do_signewnym
void do_signewnym(time_t now)
Definition: mainloop.c:1318
port_cfg_t
Definition: port_cfg_st.h:19
get_connection_array
smartlist_t * get_connection_array(void)
Definition: mainloop.c:453
consdiffmgr_register_with_sandbox
int consdiffmgr_register_with_sandbox(struct sandbox_cfg_elem_t **cfg)
Definition: consdiffmgr.c:847
stats_n_padding_cells_processed
uint64_t stats_n_padding_cells_processed
Definition: channeltls.c:81
tor_lockfile_t
Definition: lockfile.c:38
lockfile
static tor_lockfile_t * lockfile
Definition: main.c:652
router_reset_descriptor_download_failures
void router_reset_descriptor_download_failures(void)
Definition: routerlist.c:2938
consdiffmgr_enable_background_compression
void consdiffmgr_enable_background_compression(void)
Definition: consdiffmgr.c:1908
routerlist.h
Header file for routerlist.c.
subsystems_add_pubsub
int subsystems_add_pubsub(pubsub_builder_t *builder)
Definition: subsysmgr.c:195
directory_info_has_arrived
void directory_info_has_arrived(time_t now, int from_cache, int suppress_logs)
Definition: mainloop.c:1117
predict_ports.h
Header file for predict_ports.c.
do_main_loop
int do_main_loop(void)
Definition: mainloop.c:2340
try_locking
int try_locking(const or_options_t *options, int err_if_locked)
Definition: main.c:660
rendservice.h
Header file for rendservice.c.
LD_CONFIG
#define LD_CONFIG
Definition: log.h:68
buffers.h
Header file for buffers.c.
or_options_t::command_arg
char * command_arg
Definition: or_options_st.h:69
connection_is_listener
int connection_is_listener(connection_t *conn)
Definition: connection.c:4909
dir_server_mode
int dir_server_mode(const or_options_t *options)
Definition: routermode.c:23
tor_libevent_get_version_str
const char * tor_libevent_get_version_str(void)
Definition: compat_libevent.c:212
command
tor_cmdline_mode_t command
Definition: config.c:2448
config_parse_commandline
parsed_cmdline_t * config_parse_commandline(int argc, char **argv, int ignore_errors)
Definition: config.c:2521
CMD_KEYGEN
@ CMD_KEYGEN
Definition: tor_cmdline_mode.h:25
tor_malloc_
void * tor_malloc_(size_t size)
Definition: malloc.c:32
connection_t
Definition: connection_st.h:45
rendcache.h
Header file for rendcache.c.
dirserv_load_fingerprint_file
int dirserv_load_fingerprint_file(void)
Definition: process_descs.c:187
tor_main_configuration_t::argv_owned
char ** argv_owned
Definition: tor_api_internal.h:28
ext_orport.h
Header for ext_orport.c.
LOG_INFO
#define LOG_INFO
Definition: log.h:45
log_set_application_name
void log_set_application_name(const char *name)
Definition: log.c:211
crypto_rand.h
Common functions for using (pseudo-)random number generators.
waitpid.h
Headers for waitpid.c.
control_events.h
Header file for control_events.c.
get_options
const or_options_t * get_options(void)
Definition: config.c:929
parsed_cmdline_t::quiet_level
quiet_level_t quiet_level
Definition: config.h:200
signal_value
int signal_value
Definition: main.c:441
tor_mainloop_connect_pubsub
int tor_mainloop_connect_pubsub(struct pubsub_builder_t *builder)
Definition: mainloop_pubsub.c:60
tor_libc_get_version_str
const char * tor_libc_get_version_str(void)
Definition: libc.c:44
or_options_t::ReloadTorrcOnSIGHUP
int ReloadTorrcOnSIGHUP
Definition: or_options_st.h:835
addressmap.h
Header for addressmap.c.
dns_reset
int dns_reset(void)
Definition: dns.c:238
buf_allocation
size_t buf_allocation(const buf_t *buf)
Definition: buffers.c:401
channel_listener_dumpstats
void channel_listener_dumpstats(int severity)
Definition: channel.c:2102
tor_compress_supports_method
int tor_compress_supports_method(compress_method_t method)
Definition: compress.c:304
tor_tls_get_buffer_sizes
int tor_tls_get_buffer_sizes(tor_tls_t *tls, size_t *rbuf_capacity, size_t *rbuf_bytes, size_t *wbuf_capacity, size_t *wbuf_bytes)
Definition: tortls_nss.c:697
tor_main_configuration_t::argc_owned
int argc_owned
Definition: tor_api_internal.h:26
tor_libevent_get_base
struct event_base * tor_libevent_get_base(void)
Definition: compat_libevent.c:196
connection_dump_buffer_mem_stats
void connection_dump_buffer_mem_stats(int severity)
Definition: connection.c:5488
connection_describe
const char * connection_describe(const connection_t *conn)
Definition: connection.c:530
hs_dos_init
void hs_dos_init(void)
Definition: hs_dos.c:225
relay.h
Header file for relay.c.
connection.h
Header file for connection.c.
client_identity_key_is_set
int client_identity_key_is_set(void)
Definition: router.c:426
signal_event
struct event * signal_event
Definition: main.c:446
update_networkstatus_downloads
void update_networkstatus_downloads(time_t now)
Definition: networkstatus.c:1303
confline.h
Header for confline.c.
timers.h
Header for timers.c.
or_options_t::DisableSignalHandlers
int DisableSignalHandlers
Definition: or_options_st.h:1029
handle_signals
void handle_signals(void)
Definition: main.c:484
router_reload_consensus_networkstatus
int router_reload_consensus_networkstatus(void)
Definition: networkstatus.c:272
server_mode
int server_mode(const or_options_t *options)
Definition: routermode.c:34
router_reset_status_download_failures
void router_reset_status_download_failures(void)
Definition: dirlist.c:135
get_configured_ports
const smartlist_t * get_configured_ports(void)
Definition: config.c:6566
crypto_pk_get_fingerprint
int crypto_pk_get_fingerprint(crypto_pk_t *pk, char *fp_out, int add_space)
Definition: crypto_rsa.c:229
main.h
Header file for main.c.
cpuworker.h
Header file for cpuworker.c.
do_hash_password
static void do_hash_password(void)
Definition: main.c:757
tor_asprintf
int tor_asprintf(char **strp, const char *fmt,...)
Definition: printf.c:75
or_connection_st.h
OR connection structure.
get_ext_or_auth_cookie_file_name
char * get_ext_or_auth_cookie_file_name(void)
Definition: ext_orport.c:127
hibernate_begin_shutdown
void hibernate_begin_shutdown(void)
Definition: hibernate.c:927
SMARTLIST_FOREACH_BEGIN
#define SMARTLIST_FOREACH_BEGIN(sl, type, var)
Definition: smartlist_foreach.h:78
channelpadding_new_consensus_params
void channelpadding_new_consensus_params(const networkstatus_t *ns)
Definition: channelpadding.c:93
crypto_pk_t
Definition: crypto_rsa_nss.c:37
circuit_mark_all_dirty_circs_as_unusable
void circuit_mark_all_dirty_circs_as_unusable(void)
Definition: circuitlist.c:2122
log_heartbeat
int log_heartbeat(time_t now)
Definition: status.c:155
schedule_rescan_periodic_events
void schedule_rescan_periodic_events(void)
Definition: mainloop.c:1574
stats_n_data_bytes_packaged
uint64_t stats_n_data_bytes_packaged
Definition: relay.c:2048
QUIET_NONE
@ QUIET_NONE
Definition: quiet_level.h:18
router_reset_warnings
void router_reset_warnings(void)
Definition: router.c:3513
tor_shutdown_event_loop_and_exit
void tor_shutdown_event_loop_and_exit(int exitcode)
Definition: mainloop.c:766
or_options_t::DataDirectory
char * DataDirectory
Definition: or_options_st.h:84
or_options_t::Nickname
char * Nickname
Definition: or_options_st.h:97
subsysmgr.h
Header for subsysmgr.c.
process_signal
static void process_signal(int sig)
Definition: main.c:218
have_lockfile
int have_lockfile(void)
Definition: main.c:696
release_lockfile
void release_lockfile(void)
Definition: main.c:703
tor_mainloop_set_delivery_strategy
int tor_mainloop_set_delivery_strategy(const char *msg_channel_name, deliv_strategy_t strategy)
Definition: mainloop_pubsub.c:140
stats_n_relay_cells_relayed
uint64_t stats_n_relay_cells_relayed
Definition: relay.c:127
cpu_init
void cpu_init(void)
Definition: cpuworker.c:83
config.h
Header file for config.c.
init_protocol_warning_severity_level
void init_protocol_warning_severity_level(void)
Definition: config.c:1171
subsystems_init
int subsystems_init(void)
Definition: subsysmgr.c:114
do_hup
static int do_hup(void)
Definition: main.c:117
CMD_DUMP_CONFIG
@ CMD_DUMP_CONFIG
Definition: tor_cmdline_mode.h:24
dumpmemusage
static void dumpmemusage(int severity)
Definition: main.c:317
sandbox_cfg_allow_stat_filename
int sandbox_cfg_allow_stat_filename(sandbox_cfg_t **cfg, char *file)
Definition: sandbox.c:1870
ntmain.h
Header file for ntmain.c.
set_network_participation
void set_network_participation(bool participation)
Definition: netstatus.c:101
LD_NET
#define LD_NET
Definition: log.h:66
sandbox_cfg_new
sandbox_cfg_t * sandbox_cfg_new(void)
Definition: sandbox.c:1819
pubsub_install
void pubsub_install(void)
Definition: main.c:1237
tor_log
void tor_log(int severity, log_domain_mask_t domain, const char *format,...)
Definition: log.c:590
rephist_total_alloc
uint64_t rephist_total_alloc
Definition: rephist.c:92
tor_lockfile_lock
tor_lockfile_t * tor_lockfile_lock(const char *filename, int blocking, int *locked_out)
Definition: lockfile.c:63
addressmap_init
void addressmap_init(void)
Definition: addressmap.c:90
or_options_t
Definition: or_options_st.h:64
crypto_rand
void crypto_rand(char *to, size_t n)
Definition: crypto_rand.c:477
addressmap_clear_transient
void addressmap_clear_transient(void)
Definition: addressmap.c:311
tor_main_configuration_t
Definition: tor_api_internal.h:19
accounting_record_bandwidth_usage
int accounting_record_bandwidth_usage(time_t now, or_state_t *state)
Definition: hibernate.c:705
dns.h
Header file for dns.c.
stats_n_create_cells_processed
uint64_t stats_n_create_cells_processed
Definition: command.c:68
tor_lockfile_unlock
void tor_lockfile_unlock(tor_lockfile_t *lockfile)
Definition: lockfile.c:121
keypin_load_journal
int keypin_load_journal(const char *fname)
Definition: keypin.c:450
hs_service_dump_stats
void hs_service_dump_stats(int severity)
Definition: hs_service.c:4115
parsed_cmdline_t
Definition: config.h:189
routerparse.h
Header file for routerparse.c.
LD_DIR
#define LD_DIR
Definition: log.h:88
load_ed_keys
int load_ed_keys(const or_options_t *options, time_t now)
Definition: routerkeys.c:55
stats_n_destroy_cells_processed
uint64_t stats_n_destroy_cells_processed
Definition: command.c:74
FINGERPRINT_LEN
#define FINGERPRINT_LEN
Definition: crypto_rsa.h:34
log_cert_expiration
int log_cert_expiration(void)
Definition: routerkeys.c:606
or_connection_t::tls
struct tor_tls_t * tls
Definition: or_connection_st.h:44
rend_cache_init
void rend_cache_init(void)
Definition: rendcache.c:68
switch_logs_debug
void switch_logs_debug(void)
Definition: log.c:1441
tor_libc_get_name
const char * tor_libc_get_name(void)
Definition: libc.c:32
or_options_t::DirPortFrontPage
char * DirPortFrontPage
Definition: or_options_st.h:618
smartlist_t
Definition: smartlist_core.h:26
trusted_dirs_reload_certs
int trusted_dirs_reload_certs(void)
Definition: authcert.c:324
TO_OR_CONN
or_connection_t * TO_OR_CONN(connection_t *c)
Definition: connection_or.c:108
compat_libevent.h
Header for compat_libevent.c.
torversion.h
Header for version.c.
quiet_level_t
quiet_level_t
Definition: quiet_level.h:16
quiet_level
quiet_level_t quiet_level
Definition: quiet_level.c:20
update_current_time
void update_current_time(time_t now)
Definition: mainloop.c:2191
stats_n_data_bytes_received
uint64_t stats_n_data_bytes_received
Definition: relay.c:2054
status.h
Header for status.c.
rephist.h
Header file for rephist.c.
try_to_register
int try_to_register
Definition: main.c:444
reset_user_activity
void reset_user_activity(time_t now)
Definition: netstatus.c:82
connection_or.h
Header file for connection_or.c.
crypto_get_library_name
const char * crypto_get_library_name(void)
Definition: crypto_init.c:178
authdir_mode
int authdir_mode(const or_options_t *options)
Definition: authmode.c:25
sandbox_cfg_t
struct sandbox_cfg_elem_t sandbox_cfg_t
Definition: sandbox.h:35
stats_n_data_cells_packaged
uint64_t stats_n_data_cells_packaged
Definition: relay.c:2044
mainloop_pubsub.h
Header for mainloop_pubsub.c.
POSSIBLE
#define POSSIBLE(expr)
Definition: compat_compiler.h:246
tor_log_mallinfo
void tor_log_mallinfo(int severity)
Definition: meminfo.c:44
initialize_mainloop_events
void initialize_mainloop_events(void)
Definition: mainloop.c:2326
or.h
Master header file for Tor-specific functionality.
tor_compress_log_init_warnings
void tor_compress_log_init_warnings(void)
Definition: compress.c:682
stats_n_data_cells_received
uint64_t stats_n_data_cells_received
Definition: relay.c:2050
CMD_KEY_EXPIRATION
@ CMD_KEY_EXPIRATION
Definition: tor_cmdline_mode.h:26
consdiffmgr.h
Header for consdiffmgr.c.
tor_log_get_logfile_names
void tor_log_get_logfile_names(smartlist_t *out)
Definition: log.c:683