3 files changed, 31 insertions, 3 deletions
diff --git a/src/app/config/config.c b/src/app/config/config.c
index 56fca15499..d907b07136 100644
--- a/src/app/config/config.c
+++ b/src/app/config/config.c
@@ -393,6 +393,8 @@ static config_var_t option_vars_[] = {
   OBSOLETE("DynamicDHGroups"),
   VPORT(DNSPort),
   OBSOLETE("DNSListenAddress"),
+  V(DormantClientTimeout,         INTERVAL, "24 hours"),
+  V(DormantTimeoutDisabledByIdleStreams, BOOL,     "1"),
   /* DoS circuit creation options. */
   V(DoSCircuitCreationEnabled,   AUTOBOOL, "auto"),
   V(DoSCircuitCreationMinConnections,      UINT, "0"),
@@ -1997,9 +1999,6 @@ options_act(const or_options_t *old_options)
     finish_daemon(options->DataDirectory);
   }
 
-  /* See whether we need to enable/disable our once-a-second timer. */
-  reschedule_per_second_timer();
-
   /* We want to reinit keys as needed before we do much of anything else:
      keys are important, and other things can depend on them. */
   if (transition_affects_workers ||
@@ -3860,6 +3859,10 @@ options_validate(or_options_t *old_options, or_options_t *options,
            "default.");
   }
 
+  if (options->DormantClientTimeout < 10*60 && !options->TestingTorNetwork) {
+    REJECT("DormantClientTimeout is too low. It must be at least 10 minutes.");
+  }
+
   if (options->PathBiasNoticeRate > 1.0) {
     tor_asprintf(msg,
               "PathBiasNoticeRate is too high. "
diff --git a/src/app/config/or_options_st.h b/src/app/config/or_options_st.h
index 3524b99b53..6cbc86ec18 100644
--- a/src/app/config/or_options_st.h
+++ b/src/app/config/or_options_st.h
@@ -1072,6 +1072,16 @@ struct or_options_t {
 
   /** Autobool: Do we refuse single hop client rendezvous? */
   int DoSRefuseSingleHopClientRendezvous;
+
+  /** Interval: how long without activity does it take for a client
+   * to become dormant?
+   **/
+  int DormantClientTimeout;
+
+  /** Boolean: true if having an idle stream is sufficient to prevent a client
+   * from becoming dormant.
+   **/
+  int DormantTimeoutDisabledByIdleStreams;
 };
 
 #endif
diff --git a/src/app/main/main.c b/src/app/main/main.c
index b8dcb852d2..03b3a95d03 100644
--- a/src/app/main/main.c
+++ b/src/app/main/main.c
@@ -303,6 +303,19 @@ process_signal(int sig)
       log_heartbeat(time(NULL));
       control_event_signal(sig);
       break;
+    case SIGACTIVE:
+      /* "SIGACTIVE" counts as ersatz user activity. */
+      note_user_activity(approx_time());
+      control_event_signal(sig);
+      break;
+    case SIGDORMANT:
+      /* "SIGDORMANT" means to ignore past user activity */
+      log_notice(LD_GENERAL, "Going dormant because of controller request.");
+      reset_user_activity(0);
+      set_network_participation(false);
+      schedule_rescan_periodic_events();
+      control_event_signal(sig);
+      break;
   }
 }
 
@@ -472,6 +485,8 @@ static struct {
   { SIGNEWNYM, 0, NULL },
   { SIGCLEARDNSCACHE, 0, NULL },
   { SIGHEARTBEAT, 0, NULL },
+  { SIGACTIVE, 0, NULL },
+  { SIGDORMANT, 0, NULL },
   { -1, -1, NULL }
 };