Merge branch 'ticket32806'

24 files changed, 508 insertions, 289 deletions

diff --git a/changes/ticket32806 b/changes/ticket32806
new file mode 100644
index 0000000000..357e281d36
--- /dev/null
+++ b/changes/ticket32806
@@ -0,0 +1,3 @@
+  o Code simplification and refactoring:
+    - Use our new configuration architecture to move most authority-related
+      options to the directory authority module. Closes ticket 32806.
diff --git a/src/app/config/config.c b/src/app/config/config.c
index 2863c34b0e..bc65977b20 100644
--- a/src/app/config/config.c
+++ b/src/app/config/config.c
@@ -329,16 +329,11 @@ static const config_var_t option_vars_[] = {
   V(AuthDirBadExitCCs,           CSV,      ""),
   V(AuthDirInvalid,              LINELIST, NULL),
   V(AuthDirInvalidCCs,           CSV,      ""),
-  V(AuthDirFastGuarantee,        MEMUNIT,  "100 KB"),
-  V(AuthDirGuardBWGuarantee,     MEMUNIT,  "2 MB"),
-  V(AuthDirPinKeys,              BOOL,     "1"),
   V(AuthDirReject,               LINELIST, NULL),
   V(AuthDirRejectCCs,            CSV,      ""),
   OBSOLETE("AuthDirRejectUnlisted"),
   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"),
@@ -376,7 +371,6 @@ static const config_var_t option_vars_[] = {
   V(ClientTransportPlugin,       LINELIST, NULL),
   V(ClientUseIPv6,               BOOL,     "0"),
   V(ClientUseIPv4,               BOOL,     "1"),
-  V(ConsensusParams,             STRING,   NULL),
   V(ConnLimit,                   POSINT,     "1000"),
   V(ConnDirectionStatistics,     BOOL,     "0"),
   V(ConstrainedSockets,          BOOL,     "0"),
@@ -398,7 +392,6 @@ static const config_var_t option_vars_[] = {
   V(DisableOOSCheck,             BOOL,     "1"),
   V(DisableNetwork,              BOOL,     "0"),
   V(DirAllowPrivateAddresses,    BOOL,     "0"),
-  V(TestingAuthDirTimeToLearnReachability, INTERVAL, "30 minutes"),
   OBSOLETE("DirListenAddress"),
   V(DirPolicy,                   LINELIST, NULL),
   VPORT(DirPort),
@@ -562,7 +555,6 @@ static const config_var_t option_vars_[] = {
   OBSOLETE("MaxOnionsPending"),
   V(MaxOnionQueueDelay,          MSEC_INTERVAL, "1750 msec"),
   V(MaxUnparseableDescSizeToLog, MEMUNIT, "10 MB"),
-  V(MinMeasuredBWsForAuthToIgnoreAdvertised, INT, "500"),
   VAR("MyFamily",                LINELIST, MyFamily_lines,       NULL),
   V(NewCircuitPeriod,            INTERVAL, "30 seconds"),
   OBSOLETE("NamingAuthoritativeDirectory"),
@@ -605,8 +597,6 @@ static const config_var_t option_vars_[] = {
   V(PerConnBWRate,               MEMUNIT,  "0"),
   V_IMMUTABLE(PidFile,           FILENAME,   NULL),
   V_IMMUTABLE(TestingTorNetwork, BOOL,     "0"),
-  V(TestingMinExitFlagThreshold, MEMUNIT,  "0"),
-  V(TestingMinFastFlagThreshold, MEMUNIT,  "0"),
 
   V(TestingLinkCertLifetime,          INTERVAL, "2 days"),
   V(TestingAuthKeyLifetime,          INTERVAL, "2 days"),
@@ -624,9 +614,6 @@ static const config_var_t option_vars_[] = {
   V(ReachableAddresses,          LINELIST, NULL),
   V(ReachableDirAddresses,       LINELIST, NULL),
   V(ReachableORAddresses,        LINELIST, NULL),
-  V(RecommendedVersions,         LINELIST, NULL),
-  V(RecommendedClientVersions,   LINELIST, NULL),
-  V(RecommendedServerVersions,   LINELIST, NULL),
   OBSOLETE("RecommendedPackages"),
   V(ReducedConnectionPadding,    BOOL,     "0"),
   V(ConnectionPadding,           AUTOBOOL, "auto"),
@@ -688,8 +675,6 @@ static const config_var_t option_vars_[] = {
   OBSOLETE("UseNTorHandshake"),
   V_IMMUTABLE(User,              STRING,   NULL),
   OBSOLETE("UserspaceIOCPBuffers"),
-  V(AuthDirSharedRandomness,     BOOL,     "1"),
-  V(AuthDirTestEd25519LinkKeys,  BOOL,     "1"),
   OBSOLETE("V1AuthoritativeDirectory"),
   OBSOLETE("V2AuthoritativeDirectory"),
   VAR("V3AuthoritativeDirectory",BOOL, V3AuthoritativeDir,   "0"),
@@ -704,7 +689,6 @@ static const config_var_t option_vars_[] = {
   V(V3AuthUseLegacyKey,          BOOL,     "0"),
   V(V3BandwidthsFile,            FILENAME, NULL),
   V(GuardfractionFile,           FILENAME, NULL),
-  VAR("VersioningAuthoritativeDirectory",BOOL,VersioningAuthoritativeDir, "0"),
   OBSOLETE("VoteOnHidServDirectoriesV2"),
   V(VirtualAddrNetworkIPv4,      STRING,   "127.192.0.0/10"),
   V(VirtualAddrNetworkIPv6,      STRING,   "[FE80::]/10"),
@@ -724,7 +708,6 @@ static const config_var_t option_vars_[] = {
                        OwningControllerProcess, NULL),
   VAR_NODUMP_IMMUTABLE("__OwningControllerFD", UINT64, OwningControllerFD,
              UINT64_MAX_STRING),
-  V(MinUptimeHidServDirectoryV2, INTERVAL, "96 hours"),
   V(TestingServerDownloadInitialDelay, CSV_INTERVAL, "0"),
   V(TestingClientDownloadInitialDelay, CSV_INTERVAL, "0"),
   V(TestingServerConsensusDownloadInitialDelay, CSV_INTERVAL, "0"),
@@ -770,12 +753,6 @@ static const config_var_t option_vars_[] = {
   OBSOLETE("TestingDescriptorMaxDownloadTries"),
   OBSOLETE("TestingMicrodescMaxDownloadTries"),
   OBSOLETE("TestingCertMaxDownloadTries"),
-  V_D(TestingDirAuthVoteExit, ROUTERSET, NULL),
-  V(TestingDirAuthVoteExitIsStrict,  BOOL,     "0"),
-  V_D(TestingDirAuthVoteGuard, ROUTERSET, NULL),
-  V(TestingDirAuthVoteGuardIsStrict,  BOOL,     "0"),
-  V_D(TestingDirAuthVoteHSDir, ROUTERSET, NULL),
-  V(TestingDirAuthVoteHSDirIsStrict,  BOOL,     "0"),
   VAR_INVIS("___UsingTestNetworkDefaults", BOOL, UsingTestNetworkDefaults_,
             "0"),
 
@@ -3889,8 +3866,6 @@ options_validate_cb(const void *old_options_, void *options_, char **msg)
 
   if (options_validate_relay_bandwidth(old_options, options, msg) < 0)
     return -1;
-  if (options_validate_dirauth_bandwidth(old_options, options, msg) < 0)
-    return -1;
 
   if (options->BandwidthRate > options->BandwidthBurst)
     REJECT("BandwidthBurst must be at least equal to BandwidthRate.");
diff --git a/src/app/config/or_options_st.h b/src/app/config/or_options_st.h
index 2733bf775c..35ba15a9e2 100644
--- a/src/app/config/or_options_st.h
+++ b/src/app/config/or_options_st.h
@@ -122,11 +122,6 @@ struct or_options_t {
    * [][0] is IPv4, [][1] is IPv6
    */
   tor_addr_t OutboundBindAddresses[OUTBOUND_ADDR_MAX][2];
-  /** Directory server only: which versions of
-   * Tor should we tell users to run? */
-  struct config_line_t *RecommendedVersions;
-  struct config_line_t *RecommendedClientVersions;
-  struct config_line_t *RecommendedServerVersions;
   /** Whether dirservers allow router descriptors with private IPs. */
   int DirAllowPrivateAddresses;
   /** Whether routers accept EXTEND cells to routers with private IPs. */
@@ -201,9 +196,6 @@ struct or_options_t {
   int AuthoritativeDir; /**< Boolean: is this an authoritative directory? */
   int V3AuthoritativeDir; /**< Boolean: is this an authoritative directory
                            * for version 3 directories? */
-  int VersioningAuthoritativeDir; /**< Boolean: is this an authoritative
-                                   * directory that's willing to recommend
-                                   * versions? */
   int BridgeAuthoritativeDir; /**< Boolean: is this an authoritative directory
                                * that aggregates bridge descriptors? */
 
@@ -274,9 +266,6 @@ struct or_options_t {
   int FetchServerDescriptors; /**< Do we fetch server descriptors as normal? */
   int FetchHidServDescriptors; /**< and hidden service descriptors? */
 
-  int MinUptimeHidServDirectoryV2; /**< As directory authority, accept hidden
-                                    * service directories after what time? */
-
   int FetchUselessDescriptors; /**< Do we fetch non-running descriptors too? */
   int AllDirActionsPrivate; /**< Should every directory action be sent
                              * through a Tor circuit? */
@@ -479,19 +468,6 @@ struct or_options_t {
   struct smartlist_t *AuthDirRejectCCs;
   /**@}*/
 
-  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? */
-
-  /** If non-zero, always vote the Fast flag for any relay advertising
-   * this amount of capacity or more. */
-  uint64_t AuthDirFastGuarantee;
-
-  /** If non-zero, this advertised capacity or more is always sufficient
-   * to satisfy the bandwidth requirement for the Guard flag. */
-  uint64_t AuthDirGuardBWGuarantee;
-
   char *AccountingStart; /**< How long is the accounting interval, and when
                           * does it start? */
   uint64_t AccountingMax; /**< How many bytes do we allow per accounting
@@ -708,14 +684,6 @@ struct or_options_t {
   /** Location of guardfraction file */
   char *GuardfractionFile;
 
-  /** Authority only: key=value pairs that we add to our networkstatus
-   * consensus vote on the 'params' line. */
-  char *ConsensusParams;
-
-  /** Authority only: minimum number of measured bandwidths we must see
-   * before we only believe measured bandwidths to assign flags. */
-  int MinMeasuredBWsForAuthToIgnoreAdvertised;
-
   /** The length of time that we think an initial consensus should be fresh.
    * Only altered on testing networks. */
   int TestingV3AuthInitialVotingInterval;
@@ -732,11 +700,6 @@ struct or_options_t {
       voting. Only altered on testing networks. */
   int TestingV3AuthVotingStartOffset;
 
-  /** If an authority has been around for less than this amount of time, it
-   * does not believe its reachability information is accurate.  Only
-   * altered on testing networks. */
-  int TestingAuthDirTimeToLearnReachability;
-
   /** Schedule for when servers should download things in general.  Only
    * altered on testing networks. */
   int TestingServerDownloadInitialDelay;
@@ -810,27 +773,6 @@ struct or_options_t {
    * of certain configuration options. */
   int TestingTorNetwork;
 
-  /** Minimum value for the Exit flag threshold on testing networks. */
-  uint64_t TestingMinExitFlagThreshold;
-
-  /** Minimum value for the Fast flag threshold on testing networks. */
-  uint64_t TestingMinFastFlagThreshold;
-
-  /** Relays in a testing network which should be voted Exit
-   * regardless of exit policy. */
-  struct routerset_t *TestingDirAuthVoteExit;
-  int TestingDirAuthVoteExitIsStrict;
-
-  /** Relays in a testing network which should be voted Guard
-   * regardless of uptime and bandwidth. */
-  struct routerset_t *TestingDirAuthVoteGuard;
-  int TestingDirAuthVoteGuardIsStrict;
-
-  /** Relays in a testing network which should be voted HSDir
-   * regardless of uptime and DirPort. */
-  struct routerset_t *TestingDirAuthVoteHSDir;
-  int TestingDirAuthVoteHSDirIsStrict;
-
   /** Enable CONN_BW events.  Only altered on testing networks. */
   int TestingEnableConnBwEvent;
 
@@ -1009,12 +951,6 @@ struct or_options_t {
    */
   uint64_t MaxUnparseableDescSizeToLog;
 
-  /** Bool (default: 1): Switch for the shared random protocol. Only
-   * relevant to a directory authority. If off, the authority won't
-   * participate in the protocol. If on (default), a flag is added to the
-   * vote indicating participation. */
-  int AuthDirSharedRandomness;
-
   /** If 1, we skip all OOS checks. */
   int DisableOOSCheck;
 
@@ -1022,11 +958,6 @@ struct or_options_t {
    * If -1, we should do whatever the consensus parameter says. */
   int ExtendByEd25519ID;
 
-  /** Bool (default: 1): When testing routerinfos as a directory authority,
-   * do we enforce Ed25519 identity match? */
-  /* NOTE: remove this option someday. */
-  int AuthDirTestEd25519LinkKeys;
-
   /** Bool (default: 0): Tells if a %include was used on torrc */
   int IncludeUsed;
 
diff --git a/src/feature/dirauth/bwauth.c b/src/feature/dirauth/bwauth.c
index a89cfc463c..ff0c78f018 100644
--- a/src/feature/dirauth/bwauth.c
+++ b/src/feature/dirauth/bwauth.c
@@ -13,10 +13,12 @@
 #include "feature/dirauth/bwauth.h"
 
 #include "app/config/config.h"
+#include "feature/dirauth/dirauth_sys.h"
 #include "feature/nodelist/networkstatus.h"
 #include "feature/nodelist/routerlist.h"
 #include "feature/dirparse/ns_parse.h"
 
+#include "feature/dirauth/dirauth_options_st.h"
 #include "feature/nodelist/routerinfo_st.h"
 #include "feature/nodelist/vote_routerstatus_st.h"
 
@@ -182,7 +184,7 @@ dirserv_get_credible_bandwidth_kb(const routerinfo_t *ri)
   /* Check if we have a measured bandwidth, and check the threshold if not */
   if (!(dirserv_query_measured_bw_cache_kb(ri->cache_info.identity_digest,
                                        &mbw_kb, NULL))) {
-    threshold = get_options()->MinMeasuredBWsForAuthToIgnoreAdvertised;
+    threshold = dirauth_get_options()->MinMeasuredBWsForAuthToIgnoreAdvertised;
     if (routers_with_measured_bw > threshold) {
       /* Return zero for unmeasured bandwidth if we are above threshold */
       bw_kb = 0;
diff --git a/src/feature/dirauth/dirauth_config.c b/src/feature/dirauth/dirauth_config.c
index 6d2478f002..3aeeab3b31 100644
--- a/src/feature/dirauth/dirauth_config.c
+++ b/src/feature/dirauth/dirauth_config.c
@@ -73,24 +73,6 @@ options_validate_dirauth_mode(const or_options_t *old_options,
 
   if (!options->ContactInfo && !options->TestingTorNetwork)
     REJECT("Authoritative directory servers must set ContactInfo");
-  if (!options->RecommendedClientVersions)
-    options->RecommendedClientVersions =
-      config_lines_dup(options->RecommendedVersions);
-  if (!options->RecommendedServerVersions)
-    options->RecommendedServerVersions =
-      config_lines_dup(options->RecommendedVersions);
-  if (options->VersioningAuthoritativeDir &&
-      (!options->RecommendedClientVersions ||
-       !options->RecommendedServerVersions))
-    REJECT("Versioning authoritative dir servers must set "
-           "Recommended*Versions.");
-
-  char *t;
-  /* Call these functions to produce warnings only. */
-  t = format_recommended_version_list(options->RecommendedClientVersions, 1);
-  tor_free(t);
-  t = format_recommended_version_list(options->RecommendedServerVersions, 1);
-  tor_free(t);
 
   if (options->UseEntryGuards) {
     log_info(LD_CONFIG, "Authoritative directory servers can't set "
@@ -126,45 +108,6 @@ options_validate_dirauth_mode(const or_options_t *old_options,
   if (options->ClientOnly)
     REJECT("Running as authoritative directory, but ClientOnly also set.");
 
-  if (options->MinUptimeHidServDirectoryV2 < 0) {
-    log_warn(LD_CONFIG, "MinUptimeHidServDirectoryV2 option must be at "
-             "least 0 seconds. Changing to 0.");
-    options->MinUptimeHidServDirectoryV2 = 0;
-  }
-
-  return 0;
-}
-
-/**
- * Legacy validation/normalization function for the dirauth bandwidth options
- * in options. Uses old_options as the previous options.
- *
- * Returns 0 on success, returns -1 and sets *msg to a newly allocated string
- * on error.
- */
-int
-options_validate_dirauth_bandwidth(const or_options_t *old_options,
-                                   or_options_t *options,
-                                   char **msg)
-{
-  (void)old_options;
-
-  if (BUG(!options))
-    return -1;
-
-  if (BUG(!msg))
-    return -1;
-
-  if (!authdir_mode(options))
-    return 0;
-
-  if (config_ensure_bandwidth_cap(&options->AuthDirFastGuarantee,
-                           "AuthDirFastGuarantee", msg) < 0)
-    return -1;
-  if (config_ensure_bandwidth_cap(&options->AuthDirGuardBWGuarantee,
-                           "AuthDirGuardBWGuarantee", msg) < 0)
-    return -1;
-
   return 0;
 }
 
@@ -270,12 +213,6 @@ options_validate_dirauth_testing(const or_options_t *old_options,
   if (!authdir_mode(options))
     return 0;
 
-  if (options->TestingAuthDirTimeToLearnReachability < 0) {
-    REJECT("TestingAuthDirTimeToLearnReachability must be non-negative.");
-  } else if (options->TestingAuthDirTimeToLearnReachability > 2*60*60) {
-    COMPLAIN("TestingAuthDirTimeToLearnReachability is insanely high.");
-  }
-
   if (!authdir_mode_v3(options))
     return 0;
 
@@ -441,6 +378,66 @@ options_act_dirauth_stats(const or_options_t *old_options,
   return 0;
 }
 
+/**
+ * Make any necessary modifications to a dirauth_options_t that occur
+ * before validation.  On success return 0; on failure return -1 and
+ * set *<b>msg_out</b> to a newly allocated error string.
+ **/
+static int
+dirauth_options_pre_normalize(void *arg, char **msg_out)
+{
+  dirauth_options_t *options = arg;
+  (void)msg_out;
+
+  if (!options->RecommendedClientVersions)
+    options->RecommendedClientVersions =
+      config_lines_dup(options->RecommendedVersions);
+  if (!options->RecommendedServerVersions)
+    options->RecommendedServerVersions =
+      config_lines_dup(options->RecommendedVersions);
+
+  if (config_ensure_bandwidth_cap(&options->AuthDirFastGuarantee,
+                           "AuthDirFastGuarantee", msg_out) < 0)
+    return -1;
+  if (config_ensure_bandwidth_cap(&options->AuthDirGuardBWGuarantee,
+                                  "AuthDirGuardBWGuarantee", msg_out) < 0)
+    return -1;
+
+  return 0;
+}
+
+/**
+ * Check whether a dirauth_options_t is correct.
+ *
+ * On success return 0; on failure return -1 and set *<b>msg_out</b> to a
+ * newly allocated error string.
+ **/
+static int
+dirauth_options_validate(const void *arg, char **msg)
+{
+  const dirauth_options_t *options = arg;
+
+  if (options->VersioningAuthoritativeDirectory &&
+      (!options->RecommendedClientVersions ||
+       !options->RecommendedServerVersions)) {
+      REJECT("Versioning authoritative dir servers must set "
+           "Recommended*Versions.");
+  }
+
+  char *t;
+  /* Call these functions to produce warnings only. */
+  t = format_recommended_version_list(options->RecommendedClientVersions, 1);
+  tor_free(t);
+  t = format_recommended_version_list(options->RecommendedServerVersions, 1);
+  tor_free(t);
+
+  if (options->TestingAuthDirTimeToLearnReachability > 2*60*60) {
+    COMPLAIN("TestingAuthDirTimeToLearnReachability is insanely high.");
+  }
+
+  return 0;
+}
+
 /* Declare the options field table for dirauth_options */
 #define CONF_CONTEXT TABLE
 #include "feature/dirauth/dirauth_options.inc"
@@ -458,5 +455,7 @@ const config_format_t dirauth_options_fmt = {
              DIRAUTH_OPTIONS_MAGIC,
              offsetof(dirauth_options_t, magic) },
   .vars = dirauth_options_t_vars,
-};
 
+  .pre_normalize_fn = dirauth_options_pre_normalize,
+  .validate_fn = dirauth_options_validate
+};
diff --git a/src/feature/dirauth/dirauth_config.h b/src/feature/dirauth/dirauth_config.h
index a69a56bfcf..2ebafd917e 100644
--- a/src/feature/dirauth/dirauth_config.h
+++ b/src/feature/dirauth/dirauth_config.h
@@ -22,10 +22,6 @@ int options_validate_dirauth_mode(const struct or_options_t *old_options,
                                   struct or_options_t *options,
                                   char **msg);
 
-int options_validate_dirauth_bandwidth(const struct or_options_t *old_options,
-                                       struct or_options_t *options,
-                                       char **msg);
-
 int options_validate_dirauth_schedule(const struct or_options_t *old_options,
                                       struct or_options_t *options,
                                       char **msg);
@@ -67,8 +63,6 @@ options_validate_dirauth_mode(const struct or_options_t *old_options,
   return 0;
 }
 
-#define options_validate_dirauth_bandwidth(old_options, options, msg) \
-  (((void)(old_options)),((void)(options)),((void)(msg)),0)
 #define options_validate_dirauth_schedule(old_options, options, msg) \
   (((void)(old_options)),((void)(options)),((void)(msg)),0)
 #define options_validate_dirauth_testing(old_options, options, msg) \
diff --git a/src/feature/dirauth/dirauth_options.inc b/src/feature/dirauth/dirauth_options.inc
index 6b66f1e289..5939010fe7 100644
--- a/src/feature/dirauth/dirauth_options.inc
+++ b/src/feature/dirauth/dirauth_options.inc
@@ -12,7 +12,87 @@
 /** Holds configuration about our directory authority options. */
 BEGIN_CONF_STRUCT(dirauth_options_t)
 
+/** If non-zero, always vote the Fast flag for any relay advertising
+ * this amount of capacity or more. */
+CONF_VAR(AuthDirFastGuarantee, MEMUNIT, 0, "100 KB")
+
+/** If non-zero, this advertised capacity or more is always sufficient
+ * 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")
+
+/** True iff we should list bad exits, and vote for all other exits as
+ * good. */
+CONF_VAR(AuthDirListBadExits, BOOL, 0, "0")
+
 /** Do not permit more than this number of servers per IP address. */
 CONF_VAR(AuthDirMaxServersPerAddr, POSINT, 0, "2")
 
+/** Boolean: Do we enforce key-pinning? */
+CONF_VAR(AuthDirPinKeys, BOOL, 0, "1")
+
+/** Bool (default: 1): Switch for the shared random protocol. Only
+ * relevant to a directory authority. If off, the authority won't
+ * participate in the protocol. If on (default), a flag is added to the
+ * vote indicating participation. */
+CONF_VAR(AuthDirSharedRandomness, BOOL, 0, "1")
+
+/** Bool (default: 1): When testing routerinfos as a directory authority,
+ * do we enforce Ed25519 identity match? */
+/* NOTE: remove this option someday. */
+CONF_VAR(AuthDirTestEd25519LinkKeys, BOOL, 0, "1")
+
+/** Authority only: key=value pairs that we add to our networkstatus
+ * consensus vote on the 'params' line. */
+CONF_VAR(ConsensusParams, STRING, 0, NULL)
+
+/** Authority only: minimum number of measured bandwidths we must see
+ * before we only believe measured bandwidths to assign flags. */
+CONF_VAR(MinMeasuredBWsForAuthToIgnoreAdvertised, INT, 0, "500")
+
+/** As directory authority, accept hidden service directories after what
+ * time? */
+CONF_VAR(MinUptimeHidServDirectoryV2, INTERVAL, 0, "96 hours")
+
+/** Which versions of tor should we tell users to run? */
+CONF_VAR(RecommendedVersions, LINELIST, 0, NULL)
+
+/** Which versions of tor should we tell users to run on clients? */
+CONF_VAR(RecommendedClientVersions, LINELIST, 0, NULL)
+
+/** Which versions of tor should we tell users to run on relays? */
+CONF_VAR(RecommendedServerVersions, LINELIST, 0, NULL)
+
+/** If an authority has been around for less than this amount of time, it
+ * does not believe its reachability information is accurate.  Only
+ * altered on testing networks. */
+CONF_VAR(TestingAuthDirTimeToLearnReachability, INTERVAL, 0, "30 minutes")
+
+  /** Relays in a testing network which should be voted Exit
+   * regardless of exit policy. */
+CONF_VAR(TestingDirAuthVoteExit, ROUTERSET, 0, NULL)
+CONF_VAR(TestingDirAuthVoteExitIsStrict, BOOL, 0, "0")
+
+/** Relays in a testing network which should be voted Guard
+ * regardless of uptime and bandwidth. */
+CONF_VAR(TestingDirAuthVoteGuard, ROUTERSET, 0, NULL)
+CONF_VAR(TestingDirAuthVoteGuardIsStrict, BOOL, 0, "0")
+
+/** Relays in a testing network which should be voted HSDir
+ * regardless of uptime and DirPort. */
+CONF_VAR(TestingDirAuthVoteHSDir, ROUTERSET, 0, NULL)
+CONF_VAR(TestingDirAuthVoteHSDirIsStrict, BOOL, 0, "0")
+
+/** Minimum value for the Exit flag threshold on testing networks. */
+CONF_VAR(TestingMinExitFlagThreshold, MEMUNIT, 0, "0")
+
+/** Minimum value for the Fast flag threshold on testing networks. */
+CONF_VAR(TestingMinFastFlagThreshold, MEMUNIT, 0, "0")
+
+/** Boolean: is this an authoritative directory that's willing to recommend
+ * versions? */
+CONF_VAR(VersioningAuthoritativeDirectory, BOOL, 0, "0")
+
 END_CONF_STRUCT(dirauth_options_t)
diff --git a/src/feature/dirauth/dirauth_options_st.h b/src/feature/dirauth/dirauth_options_st.h
index 86022ec223..02a498c054 100644
--- a/src/feature/dirauth/dirauth_options_st.h
+++ b/src/feature/dirauth/dirauth_options_st.h
@@ -13,6 +13,8 @@
 #define TOR_FEATURE_DIRAUTH_DIRAUTH_OPTIONS_ST_H
 
 #include "lib/conf/confdecl.h"
+#include "feature/nodelist/routerset.h"
+
 #define CONF_CONTEXT STRUCT
 #include "feature/dirauth/dirauth_options.inc"
 #undef CONF_CONTEXT
diff --git a/src/feature/dirauth/dirauth_sys.c b/src/feature/dirauth/dirauth_sys.c
index a953634634..56ac501e16 100644
--- a/src/feature/dirauth/dirauth_sys.c
+++ b/src/feature/dirauth/dirauth_sys.c
@@ -11,6 +11,7 @@
 
 #include "core/or/or.h"
 
+#define DIRAUTH_SYS_PRIVATE
 #include "feature/dirauth/bwauth.h"
 #include "feature/dirauth/dirauth_sys.h"
 #include "feature/dirauth/dirvote.h"
@@ -49,7 +50,7 @@ dirauth_get_options(void)
   return global_dirauth_options;
 }
 
-static int
+STATIC int
 dirauth_set_options(void *arg)
 {
   dirauth_options_t *opts = arg;
diff --git a/src/feature/dirauth/dirauth_sys.h b/src/feature/dirauth/dirauth_sys.h
index ae99f8141a..c512b91b33 100644
--- a/src/feature/dirauth/dirauth_sys.h
+++ b/src/feature/dirauth/dirauth_sys.h
@@ -25,4 +25,8 @@ extern const struct subsys_fns_t sys_dirauth;
  **/
 #define DIRAUTH_SUBSYS_LEVEL 70
 
+#ifdef DIRAUTH_SYS_PRIVATE
+STATIC int dirauth_set_options(void *arg);
+#endif
+
 #endif /* !defined(DIRAUTH_SYS_H) */
diff --git a/src/feature/dirauth/dirvote.c b/src/feature/dirauth/dirvote.c
index 97fe66c1a2..9490867e82 100644
--- a/src/feature/dirauth/dirvote.c
+++ b/src/feature/dirauth/dirvote.c
@@ -4406,6 +4406,7 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_t *private_key,
                                         authority_cert_t *cert)
 {
   const or_options_t *options = get_options();
+  const dirauth_options_t *d_options = dirauth_get_options();
   networkstatus_t *v3_out = NULL;
   uint32_t addr;
   char *hostname = NULL, *client_versions = NULL, *server_versions = NULL;
@@ -4413,7 +4414,7 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_t *private_key,
   smartlist_t *routers, *routerstatuses;
   char identity_digest[DIGEST_LEN];
   char signing_key_digest[DIGEST_LEN];
-  int listbadexits = options->AuthDirListBadExits;
+  const int listbadexits = d_options->AuthDirListBadExits;
   routerlist_t *rl = router_get_routerlist();
   time_t now = time(NULL);
   time_t cutoff = now - ROUTER_MAX_AGE_TO_PUBLISH;
@@ -4445,11 +4446,11 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_t *private_key,
     hostname = tor_dup_ip(addr);
   }
 
-  if (options->VersioningAuthoritativeDir) {
+  if (d_options->VersioningAuthoritativeDirectory) {
     client_versions =
-      format_recommended_version_list(options->RecommendedClientVersions, 0);
+      format_recommended_version_list(d_options->RecommendedClientVersions, 0);
     server_versions =
-      format_recommended_version_list(options->RecommendedServerVersions, 0);
+      format_recommended_version_list(d_options->RecommendedServerVersions, 0);
   }
 
   contact = get_options()->ContactInfo;
@@ -4650,10 +4651,10 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_t *private_key,
     smartlist_add_strdup(v3_out->known_flags, "BadExit");
   smartlist_sort_strings(v3_out->known_flags);
 
-  if (options->ConsensusParams) {
+  if (d_options->ConsensusParams) {
     v3_out->net_params = smartlist_new();
     smartlist_split_string(v3_out->net_params,
-                           options->ConsensusParams, NULL, 0, 0);
+                           d_options->ConsensusParams, NULL, 0, 0);
     smartlist_sort_strings(v3_out->net_params);
   }
   v3_out->bw_file_headers = bw_file_headers;
diff --git a/src/feature/dirauth/process_descs.c b/src/feature/dirauth/process_descs.c
index 139c6834a9..baf8f8c217 100644
--- a/src/feature/dirauth/process_descs.c
+++ b/src/feature/dirauth/process_descs.c
@@ -20,6 +20,7 @@
 #include "app/config/config.h"
 #include "core/or/policies.h"
 #include "core/or/versions.h"
+#include "feature/dirauth/dirauth_sys.h"
 #include "feature/dirauth/keypin.h"
 #include "feature/dirauth/reachability.h"
 #include "feature/dirclient/dlstatus.h"
@@ -35,6 +36,7 @@
 #include "feature/relay/router.h"
 
 #include "core/or/tor_version_st.h"
+#include "feature/dirauth/dirauth_options_st.h"
 #include "feature/nodelist/extrainfo_st.h"
 #include "feature/nodelist/node_st.h"
 #include "feature/nodelist/microdesc_st.h"
@@ -289,7 +291,7 @@ dirserv_router_get_status(const routerinfo_t *router, const char **msg,
                           int severity)
 {
   char d[DIGEST_LEN];
-  const int key_pinning = get_options()->AuthDirPinKeys;
+  const int key_pinning = dirauth_get_options()->AuthDirPinKeys;
   uint32_t r;
   ed25519_public_key_t *signing_key = NULL;
 
@@ -741,7 +743,7 @@ dirserv_add_descriptor(routerinfo_t *ri, const char **msg, const char *source)
   char *desc, *nickname;
   const size_t desclen = ri->cache_info.signed_descriptor_len +
       ri->cache_info.annotations_len;
-  const int key_pinning = get_options()->AuthDirPinKeys;
+  const int key_pinning = dirauth_get_options()->AuthDirPinKeys;
   *msg = NULL;
 
   /* If it's too big, refuse it now. Otherwise we'll cache it all over the
diff --git a/src/feature/dirauth/reachability.c b/src/feature/dirauth/reachability.c
index 292c9be759..65fa27ed80 100644
--- a/src/feature/dirauth/reachability.c
+++ b/src/feature/dirauth/reachability.c
@@ -17,6 +17,7 @@
 #include "core/or/channeltls.h"
 #include "core/or/command.h"