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-rw-r--r--configure.in6
-rw-r--r--doc/TODO5
-rw-r--r--src/config/Makefile.am6
-rw-r--r--src/or/config.c4
-rw-r--r--src/or/networkstatus.c20
-rw-r--r--src/or/or.h3
6 files changed, 42 insertions, 2 deletions
diff --git a/configure.in b/configure.in
index dbeb756ce..08adf087d 100644
--- a/configure.in
+++ b/configure.in
@@ -619,6 +619,12 @@ AC_SUBST(LOCALSTATEDIR)
AH_TEMPLATE([LOCALSTATEDIR], [Default location to store state files.])
AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
+dnl Note: this is not the same as Tor's "DataDir" config option.
+DATADIR=`eval echo $datadir`
+AC_SUBST(DATADIR)
+AH_TEMPLATE([DATADIR], [Default location for platform-independent read-only data.])
+AC_DEFINE_UNQUOTED(DATADIR,"$DATADIR")
+
# Set CFLAGS _after_ all the above checks, since our warnings are stricter
# than autoconf's macros like.
if test $ac_cv_c_compiler_gnu = yes; then
diff --git a/doc/TODO b/doc/TODO
index 507e9183c..52f47944d 100644
--- a/doc/TODO
+++ b/doc/TODO
@@ -21,8 +21,9 @@ Things we'd like to do in 0.2.0.x:
licenses for other components of the bundles.
- Before the feature freeze: (Nick)
- - Support for preconfigured mirror lists
- - Use a pre-shipped fallback consensus.
+ o Support for preconfigured mirror lists
+ o Use a pre-shipped fallback consensus.
+ o Code to install a pre-defined fallback consensus
. Download consensuses (et al) via if-modified-since
o Implement backend support for sending if-modified-since
o Use it for consensuses.
diff --git a/src/config/Makefile.am b/src/config/Makefile.am
index b440abc5c..88dd2d4c5 100644
--- a/src/config/Makefile.am
+++ b/src/config/Makefile.am
@@ -3,3 +3,9 @@ confdir = $(sysconfdir)/tor
EXTRA_DIST =
conf_DATA = torrc.sample
+
+data_DATA = fallback-consensus
+
+# If we don't have it, fake it.
+fallback-consensus:
+ touch fallback-consensus \ No newline at end of file
diff --git a/src/or/config.c b/src/or/config.c
index 9997bfbe0..1f9e7b0af 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -118,6 +118,8 @@ typedef struct config_var_t {
/** An entry for config_vars: "The option <b>name</b> is obsolete." */
#define OBSOLETE(name) { name, CONFIG_TYPE_OBSOLETE, 0, NULL }
+
+
/** Array of configuration options. Until we disallow nonstandard
* abbreviations, order is significant, since the first matching option will
* be chosen first.
@@ -175,6 +177,8 @@ static config_var_t _option_vars[] = {
V(ExitNodes, STRING, NULL),
V(ExitPolicy, LINELIST, NULL),
V(ExitPolicyRejectPrivate, BOOL, "1"),
+ V(FallbackNetworkstatusFile, STRING,
+ DATADIR PATH_SEPARATOR "tor" PATH_SEPARATOR "fallback-consensus"),
V(FascistFirewall, BOOL, "0"),
V(FirewallPorts, CSV, ""),
V(FastFirstHopPK, BOOL, "1"),
diff --git a/src/or/networkstatus.c b/src/or/networkstatus.c
index c5716f396..055da051f 100644
--- a/src/or/networkstatus.c
+++ b/src/or/networkstatus.c
@@ -158,6 +158,8 @@ router_reload_consensus_networkstatus(void)
{
char *filename;
char *s;
+ struct stat st;
+ or_options_t *options = get_options();
/* XXXX020 Suppress warnings if cached consensus is bad. */
@@ -182,6 +184,24 @@ router_reload_consensus_networkstatus(void)
tor_free(s);
}
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, 1, 1)) {
+ log_info(LD_FS, "Couldn't load consensus networkstatus from \"%s\"",
+ options->FallbackNetworkstatusFile);
+ } else {
+ log_notice(LD_FS, "Loaded fallback consensus networkstaus from \"%s\"",
+ options->FallbackNetworkstatusFile);
+ }
+ tor_free(s);
+ }
+ }
+
routers_update_all_from_networkstatus(time(NULL));
return 0;
diff --git a/src/or/or.h b/src/or/or.h
index ae5d26666..46fffeced 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -2174,6 +2174,9 @@ typedef struct {
int V3AuthDistDelay;
/** The number of intervals we think a consensus should be valid. */
int V3AuthNIntervalsValid;
+
+ /** DOCDOC here and in tor.1 */
+ char *FallbackNetworkstatusFile;
} or_options_t;
/** Persistent state for an onion router, as saved to disk. */