[tor-commits] [tor/release-0.2.8] (cherry-picked by nickm, with changes file from isis.)

[nickm@xxxxxxxxxxxxxx]

commit 054d9398531b148d8b41c382da36c83c0381e09e
Author: s0rlxmh0 <s6yg1ez3@xxxxxxxxxxxx>
Date:   Mon May 2 14:01:36 2016 -0400

    (cherry-picked by nickm, with changes file from isis.)
---
 changes/bug18920 | 5 +++++
 src/or/control.c | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/changes/bug18920 b/changes/bug18920
new file mode 100644
index 0000000..1babfd6
--- /dev/null
+++ b/changes/bug18920
@@ -0,0 +1,5 @@
+  o Minor bugfixes (controller, microdescriptors):
+    - Make GETINFO dir/status-vote/current/consensus conform to the control
+      specification by returning "551 Could not open cached consensus..."
+      when not caching consensuses.
+      Fixes bug 18920; bugfix on 0.2.2.6-alpha.
diff --git a/src/or/control.c b/src/or/control.c
index 655b4dd..e06d7d2 100644
--- a/src/or/control.c
+++ b/src/or/control.c
@@ -2011,6 +2011,11 @@ getinfo_helper_dir(control_connection_t *control_conn,
       char *filename = get_datadir_fname("cached-consensus");
       *answer = read_file_to_str(filename, RFTS_IGNORE_MISSING, NULL);
       tor_free(filename);
+      if (!*answer) { /* generate an error */
+        *errmsg = "Could not open cached consensus. "
+          "Make sure FetchUselessDescriptors is set to 1.";
+        return -1;
+      }
     }
   } else if (!strcmp(question, "network-status")) { /* v1 */
     routerlist_t *routerlist = router_get_routerlist();



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