Implement __OwningControllerProcess option

Implements part of feature 3049.

1 files changed, 18 insertions, 0 deletions

diff --git a/src/or/config.c b/src/or/config.c
index 34208e85b..b2bc9f3e9 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -38,6 +38,8 @@
 #include <shlobj.h>
 #endif
 
+#include "procmon.h"
+
 /** Enumeration of types which option values can take */
 typedef enum config_type_t {
   CONFIG_TYPE_STRING = 0,   /**< An arbitrary string. */
@@ -393,6 +395,7 @@ static config_var_t _option_vars[] = {
   VAR("__LeaveStreamsUnattached",BOOL,  LeaveStreamsUnattached,   "0"),
   VAR("__HashedControlSessionPassword", LINELIST, HashedControlSessionPassword,
       NULL),
+  VAR("__OwningControllerProcess",STRING,OwningControllerProcess, NULL),
   V(MinUptimeHidServDirectoryV2, INTERVAL, "24 hours"),
   V(_UsingTestNetworkDefaults,   BOOL,     "0"),
 
@@ -1229,6 +1232,11 @@ options_act(or_options_t *old_options)
     return -1;
   }
 
+  if (monitor_owning_controller_process(options->OwningControllerProcess)) {
+    log_warn(LD_CONFIG, "Error monitoring owning controller process");
+    return -1;
+  }
+
   /* reload keys as needed for rendezvous services. */
   if (rend_service_load_keys()<0) {
     log_warn(LD_GENERAL,"Error loading rendezvous service keys");
@@ -3446,6 +3454,16 @@ options_validate(or_options_t *old_options, or_options_t *options,
     }
   }
 
+  if (options->OwningControllerProcess) {
+    const char *validate_pspec_msg = NULL;
+    if (tor_validate_process_specifier(options->OwningControllerProcess,
+                                       &validate_pspec_msg)) {
+      tor_asprintf(msg, "Bad OwningControllerProcess: %s",
+                   validate_pspec_msg);
+      return -1;
+    }
+  }
+
   if (options->ControlListenAddress) {
     int all_are_local = 1;
     config_line_t *ln;