Move AuthDirHasIPv6Connectivity into dirauth module.

src/app/config/config.c

@@ -336,7 +336,6 @@ static const config_var_t option_vars_[] = {
   OBSOLETE("AuthDirListBadDirs"),
   V(AuthDirListBadExits,         BOOL,     "0"),
   OBSOLETE("AuthDirMaxServersPerAuthAddr"),
-  V(AuthDirHasIPv6Connectivity,  BOOL,     "0"),
   VAR("AuthoritativeDirectory",  BOOL, AuthoritativeDir,    "0"),
   V(AutomapHostsOnResolve,       BOOL,     "0"),
   V(AutomapHostsSuffixes,        CSV,      ".onion,.exit"),

src/app/config/or_options_st.h

@@ -459,7 +459,6 @@ struct or_options_t {
 
   int AuthDirListBadExits; /**< True iff we should list bad exits,
                             * and vote for all other exits as good. */
-  int AuthDirHasIPv6Connectivity; /**< Boolean: are we on IPv6?  */
   int AuthDirPinKeys; /**< Boolean: Do we enforce key-pinning? */
 
   char *AccountingStart; /**< How long is the accounting interval, and when

src/feature/dirauth/dirauth_options.inc

@@ -20,6 +20,9 @@ CONF_VAR(AuthDirFastGuarantee, MEMUNIT, 0, "100 KB")
  * to satisfy the bandwidth requirement for the Guard flag. */
 CONF_VAR(AuthDirGuardBWGuarantee, MEMUNIT, 0, "2 MB")
 
+/** Boolean: are we on IPv6?  */
+CONF_VAR(AuthDirHasIPv6Connectivity, BOOL, 0, "0")
+
 /** Do not permit more than this number of servers per IP address. */
 CONF_VAR(AuthDirMaxServersPerAddr, POSINT, 0, "2")
 

src/feature/dirauth/reachability.c

@@ -17,6 +17,7 @@
 #include "core/or/channeltls.h"
 #include "core/or/command.h"
 #include "feature/dirauth/authmode.h"
+#include "feature/dirauth/dirauth_sys.h"
 #include "feature/nodelist/describe.h"
 #include "feature/nodelist/nodelist.h"
 #include "feature/nodelist/routerinfo.h"
@@ -24,6 +25,7 @@
 #include "feature/nodelist/torcert.h"
 #include "feature/stats/rephist.h"
 
+#include "feature/dirauth/dirauth_options_st.h"
 #include "feature/nodelist/node_st.h"
 #include "feature/nodelist/routerinfo_st.h"
 #include "feature/nodelist/routerlist_st.h"
@@ -154,7 +156,7 @@ dirserv_single_reachability_test(time_t now, routerinfo_t *router)
   if (chan) command_setup_channel(chan);
 
   /* Possible IPv6. */
-  if (get_options()->AuthDirHasIPv6Connectivity == 1 &&
+  if (dirauth_get_options()->AuthDirHasIPv6Connectivity == 1 &&
       !tor_addr_is_null(&router->ipv6_addr)) {
     char addrstr[TOR_ADDR_BUF_LEN];
     log_debug(LD_OR, "Testing reachability of %s at %s:%u.",

src/feature/dirauth/voteflags.c

@@ -485,6 +485,7 @@ dirserv_set_router_is_running(routerinfo_t *router, time_t now)
    */
   int answer;
   const or_options_t *options = get_options();
+  const dirauth_options_t *dirauth_options = dirauth_get_options();
   node_t *node = node_get_mutable_by_id(router->cache_info.identity_digest);
   tor_assert(node);
 
@@ -511,7 +512,7 @@ dirserv_set_router_is_running(routerinfo_t *router, time_t now)
        IPv6 OR port since that'd kill all dual stack relays until a
        majority of the dir auths have IPv6 connectivity. */
     answer = (now < node->last_reachable + REACHABLE_TIMEOUT &&
-              (options->AuthDirHasIPv6Connectivity != 1 ||
+              (dirauth_options->AuthDirHasIPv6Connectivity != 1 ||
                tor_addr_is_null(&router->ipv6_addr) ||
                now < node->last_reachable6 + REACHABLE_TIMEOUT));
   }
@@ -542,7 +543,7 @@ static int
 should_publish_node_ipv6(const node_t *node, const routerinfo_t *ri,
                          time_t now)
 {
-  const or_options_t *options = get_options();
+  const dirauth_options_t *options = dirauth_get_options();
 
   return options->AuthDirHasIPv6Connectivity == 1 &&
     !tor_addr_is_null(&ri->ipv6_addr) &&

src/test/test_voting_flags.c

@@ -8,6 +8,7 @@
 #include "core/or/or.h"
 
 #include "feature/dirauth/voteflags.h"
+#include "feature/dirauth/dirauth_options_st.h"
 #include "feature/nodelist/node_st.h"
 #include "feature/nodelist/routerstatus_st.h"
 #include "feature/nodelist/routerinfo_st.h"
@@ -15,6 +16,7 @@
 #include "app/config/config.h"
 
 #include "test/test.h"
+#include "test/opts_test_helpers.h"
 
 typedef struct {
   time_t now;
@@ -119,7 +121,7 @@ test_voting_flags_ipv6(void *arg)
   if (!check_result(cfg))
     goto done;
 
-  get_options_mutable()->AuthDirHasIPv6Connectivity = 1;
+  get_dirauth_options(get_options_mutable())->AuthDirHasIPv6Connectivity = 1;
   // no change in expected results, since last_reachable6 won't be set.
   if (!check_result(cfg))
     goto done;