[tor-commits] [tor/master] Use an internal variable for HiddenServiceStatistics

[nickm@xxxxxxxxxxxxxx]

commit 51b562c605e2a959ee51ee85bd40de887adf9dea
Author: David Goulet <dgoulet@xxxxxxxxxxxxxx>
Date:   Fri Jan 27 09:32:05 2017 -0500

    Use an internal variable for HiddenServiceStatistics
    
    Stop modifying the value of our torrc option HiddenServiceStatistics just
    because we're not a bridge or relay. This bug was causing Tor Browser users to
    write "HiddenServiceStatistics 0" in their torrc files as if they had chosen
    to change the config.
    
    Fixes #21150
    
    Signed-off-by: David Goulet <dgoulet@xxxxxxxxxxxxxx>
---
 changes/bug21150 | 5 +++++
 src/or/config.c  | 5 +++--
 src/or/or.h      | 4 ++++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/changes/bug21150 b/changes/bug21150
new file mode 100644
index 0000000..6a8b4f9
--- /dev/null
+++ b/changes/bug21150
@@ -0,0 +1,5 @@
+  o Minor bugfixes (config, hidden service): 
+    - Stop modifying the value of our torrc option HiddenServiceStatistics
+      just because we're not a bridge or relay. Use an internal value for what
+      tor should use and keep the torrc option intact. Fixes bug 21150; bugfix
+      on tor-0.2.6.2-alpha.
diff --git a/src/or/config.c b/src/or/config.c
index d0ca561..5e7fd6d 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -358,7 +358,7 @@ static config_var_t option_vars_[] = {
   VAR("HiddenServiceMaxStreams",LINELIST_S, RendConfigLines, NULL),
   VAR("HiddenServiceMaxStreamsCloseCircuit",LINELIST_S, RendConfigLines, NULL),
   VAR("HiddenServiceNumIntroductionPoints", LINELIST_S, RendConfigLines, NULL),
-  V(HiddenServiceStatistics,     BOOL,     "1"),
+  VAR("HiddenServiceStatistics", BOOL,     HiddenServiceStatistics_option, "1"),
   V(HidServAuth,                 LINELIST, NULL),
   V(CloseHSClientCircuitsImmediatelyOnTimeout, BOOL, "0"),
   V(CloseHSServiceRendCircuitsImmediatelyOnTimeout, BOOL, "0"),
@@ -2004,6 +2004,8 @@ options_act(const or_options_t *old_options)
   /* Only collect directory-request statistics on relays and bridges. */
   options->DirReqStatistics = options->DirReqStatistics_option &&
     server_mode(options);
+  options->HiddenServiceStatistics =
+    options->HiddenServiceStatistics_option && server_mode(options);
 
   if (options->CellStatistics || options->DirReqStatistics ||
       options->EntryStatistics || options->ExitPortStatistics ||
@@ -2018,7 +2020,6 @@ options_act(const or_options_t *old_options)
       options->CellStatistics = 0;
       options->EntryStatistics = 0;
       options->ConnDirectionStatistics = 0;
-      options->HiddenServiceStatistics = 0;
       options->ExitPortStatistics = 0;
     }
 
diff --git a/src/or/or.h b/src/or/or.h
index 18fff78..0db9f23 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -4168,6 +4168,10 @@ typedef struct {
 
   /** If true, the user wants us to collect statistics as hidden service
    * directory, introduction point, or rendezvous point. */
+  int HiddenServiceStatistics_option;
+  /** Internal variable to remember whether we're actually acting on
+   * HiddenServiceStatistics_option -- yes if it's set and we're a server,
+   * else no. */
   int HiddenServiceStatistics;
 
   /** If true, include statistics file contents in extra-info documents. */



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