[tor-commits] [tor/master] Drop FallbackNetworkstatusFile; it never worked.

[nickm@xxxxxxxxxxxxxx]

commit f742b33d85c0884fa5902d0d24a1232c9bd47dd8
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Wed Oct 10 00:08:35 2012 -0400

    Drop FallbackNetworkstatusFile; it never worked.
---
 changes/fallback_dirsource |    4 ++++
 doc/tor.1.txt              |    6 ------
 src/or/config.c            |    7 +------
 src/or/networkstatus.c     |   24 ------------------------
 src/or/or.h                |    4 ----
 5 files changed, 5 insertions(+), 40 deletions(-)

diff --git a/changes/fallback_dirsource b/changes/fallback_dirsource
index 61db81b..d8d6c02 100644
--- a/changes/fallback_dirsource
+++ b/changes/fallback_dirsource
@@ -7,3 +7,7 @@
       of servers to try to get a consensus from when first connecting 
       to the Tor network, and thereby reduce load on the directory
       authorities.
+
+  o Removed features:
+    - Drop the old FallbackNetworkstatus option: we never got it working
+      well enough to use it.
diff --git a/doc/tor.1.txt b/doc/tor.1.txt
index 231ac52..c9be6cd 100644
--- a/doc/tor.1.txt
+++ b/doc/tor.1.txt
@@ -1129,12 +1129,6 @@ The following options are useful only for clients (that is, if
     regular router descriptors. Tor does not use this information for anything
     itself; to save bandwidth, leave this option turned off. (Default: 0)
 
-**FallbackNetworkstatusFile** __FILENAME__::
-    If Tor doesn't have a cached networkstatus file, it starts out using this
-    one instead. Even if this file is out of date, Tor can still use it to
-    learn about directory mirrors, so it doesn't need to put load on the
-    authorities. (Default: None)
-
 **WarnPlaintextPorts** __port__,__port__,__...__::
     Tells Tor to issue a warnings whenever the user tries to make an anonymous
     connection to one of these ports. This option is designed to alert users
diff --git a/src/or/config.c b/src/or/config.c
index 17b5b79..59b4abd 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -231,12 +231,7 @@ static config_var_t option_vars_[] = {
   V(ExtraInfoStatistics,         BOOL,     "1"),
   V(FallbackDir,                 LINELIST, NULL),
 
-#if defined (WINCE)
-  V(FallbackNetworkstatusFile,   FILENAME, "fallback-consensus"),
-#else
-  V(FallbackNetworkstatusFile,   FILENAME,
-    SHARE_DATADIR PATH_SEPARATOR "tor" PATH_SEPARATOR "fallback-consensus"),
-#endif
+  OBSOLETE("FallbackNetworkstatusFile"),
   V(FascistFirewall,             BOOL,     "0"),
   V(FirewallPorts,               CSV,      ""),
   V(FastFirstHopPK,              BOOL,     "1"),
diff --git a/src/or/networkstatus.c b/src/or/networkstatus.c
index 937d619..9d40240 100644
--- a/src/or/networkstatus.c
+++ b/src/or/networkstatus.c
@@ -219,8 +219,6 @@ router_reload_consensus_networkstatus(void)
 {
   char *filename;
   char *s;
-  struct stat st;
-  const or_options_t *options = get_options();
   const unsigned int flags = NSSET_FROM_CACHE | NSSET_DONT_DOWNLOAD_CERTS;
   int flav;
 
@@ -263,25 +261,6 @@ router_reload_consensus_networkstatus(void)
     tor_free(filename);
   }
 
-  if (!current_consensus ||
-      (stat(options->FallbackNetworkstatusFile, &st)==0 &&
-       st.st_mtime > current_consensus->valid_after)) {
-    s = read_file_to_str(options->FallbackNetworkstatusFile,
-                         RFTS_IGNORE_MISSING, NULL);
-    if (s) {
-      if (networkstatus_set_current_consensus(s, "ns",
-                                              flags|NSSET_ACCEPT_OBSOLETE)) {
-        log_info(LD_FS, "Couldn't load consensus networkstatus from \"%s\"",
-                 options->FallbackNetworkstatusFile);
-      } else {
-        log_notice(LD_FS,
-                   "Loaded fallback consensus networkstatus from \"%s\"",
-                   options->FallbackNetworkstatusFile);
-      }
-      tor_free(s);
-    }
-  }
-
   if (!current_consensus) {
     if (!named_server_map)
       named_server_map = strmap_new();
@@ -1674,9 +1653,6 @@ networkstatus_set_current_consensus(const char *consensus,
 
   if (from_cache && !accept_obsolete &&
       c->valid_until < now-OLD_ROUTER_DESC_MAX_AGE) {
-    /* XXXX If we try to make fallbackconsensus work again, we should
-     * consider taking this out. Until then, believing obsolete consensuses
-     * is causing more harm than good. See also bug 887. */
     log_info(LD_DIR, "Loaded an expired consensus. Discarding.");
     goto done;
   }
diff --git a/src/or/or.h b/src/or/or.h
index 9f9316b..b2d31a6 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -3702,10 +3702,6 @@ typedef struct {
    * of certain configuration options. */
   int TestingTorNetwork;
 
-  /** File to check for a consensus networkstatus, if we don't have one
-   * cached. */
-  char *FallbackNetworkstatusFile;
-
   /** If true, and we have GeoIP data, and we're a bridge, keep a per-country
    * count of how many client addresses have contacted us so that we can help
    * the bridge authority guess which countries have blocked access to us. */



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