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[tor-commits] [tor/master] config: Move bw & other configs into the dirauth module



commit 0a511778eb6f3ca00d0e3da99327cce2cf179830
Author: teor <teor@xxxxxxxxxxxxxx>
Date:   Tue Oct 29 17:57:04 2019 +1000

    config: Move bw & other configs into the dirauth module
    
    This commit:
    * moves bandwidth checks into dirauth_config, and
    * moves some other minor checks into dirauth_config.
    
    The moved code is disabled when the dirauth module is disabled.
    (And some of the checks are re-ordered, so the order of some
    warnings may change.)
    
    Part of 32213.
---
 src/app/config/config.c              | 22 ++----------------
 src/feature/dirauth/dirauth_config.c | 45 ++++++++++++++++++++++++++++++++++++
 src/feature/dirauth/dirauth_config.h |  7 ++++++
 3 files changed, 54 insertions(+), 20 deletions(-)

diff --git a/src/app/config/config.c b/src/app/config/config.c
index b9a15a682..7c31a4443 100644
--- a/src/app/config/config.c
+++ b/src/app/config/config.c
@@ -3418,13 +3418,6 @@ options_validate_cb(const void *old_options_, void *options_, char **msg)
   if (options_init_logs(old_options, options, 1)<0)
     REJECT("Failed to validate Log options. See logs for details.");
 
-  if (authdir_mode(options)) {
-    /* confirm that our address isn't broken, so we can complain now */
-    uint32_t tmp;
-    if (resolve_my_address(LOG_WARN, options, &tmp, NULL, NULL) < 0)
-      REJECT("Failed to resolve/guess local address. See logs for details.");
-  }
-
   /* XXXX require that the only port not be DirPort? */
   /* XXXX require that at least one port be listened-upon. */
   if (n_ports == 0 && !options->RendConfigLines)
@@ -3649,12 +3642,6 @@ options_validate_cb(const void *old_options_, void *options_, char **msg)
   if (options_validate_relay_padding(old_options, options, msg) < 0)
     return -1;
 
-  if (options->MinUptimeHidServDirectoryV2 < 0) {
-    log_warn(LD_CONFIG, "MinUptimeHidServDirectoryV2 option must be at "
-                        "least 0 seconds. Changing to 0.");
-    options->MinUptimeHidServDirectoryV2 = 0;
-  }
-
   const int min_rendpostperiod =
     options->TestingTorNetwork ?
     MIN_REND_POST_PERIOD_TESTING : MIN_REND_POST_PERIOD;
@@ -3833,16 +3820,11 @@ options_validate_cb(const void *old_options_, void *options_, char **msg)
   if (ensure_bandwidth_cap(&options->BandwidthBurst,
                            "BandwidthBurst", msg) < 0)
     return -1;
-  if (ensure_bandwidth_cap(&options->AuthDirFastGuarantee,
-                           "AuthDirFastGuarantee", msg) < 0)
-    return -1;
-  if (ensure_bandwidth_cap(&options->AuthDirGuardBWGuarantee,
-                           "AuthDirGuardBWGuarantee", msg) < 0)
-    return -1;
-
 
   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/feature/dirauth/dirauth_config.c b/src/feature/dirauth/dirauth_config.c
index 56a71e950..6574edb54 100644
--- a/src/feature/dirauth/dirauth_config.c
+++ b/src/feature/dirauth/dirauth_config.c
@@ -61,6 +61,11 @@ options_validate_dirauth_mode(const or_options_t *old_options,
     return -1;
 
   if (options->AuthoritativeDir) {
+    /* confirm that our address isn't broken, so we can complain now */
+    uint32_t tmp;
+    if (resolve_my_address(LOG_WARN, options, &tmp, NULL, NULL) < 0)
+      REJECT("Failed to resolve/guess local address. See logs for details.");
+
     if (!options->ContactInfo && !options->TestingTorNetwork)
       REJECT("Authoritative directory servers must set ContactInfo");
     if (!options->RecommendedClientVersions)
@@ -117,6 +122,46 @@ options_validate_dirauth_mode(const or_options_t *old_options,
       REJECT("Running as authoritative directory, but ClientOnly also set.");
   }
 
+  /* 31851: the tests expect us to validate these options, even when we are
+   * not in authority mode. */
+  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;
+
+  /* 31851: the tests expect us to validate these options, even when we are
+   * not in authority mode. */
+  if (ensure_bandwidth_cap(&options->AuthDirFastGuarantee,
+                           "AuthDirFastGuarantee", msg) < 0)
+    return -1;
+  if (ensure_bandwidth_cap(&options->AuthDirGuardBWGuarantee,
+                           "AuthDirGuardBWGuarantee", msg) < 0)
+    return -1;
+
   return 0;
 }
 
diff --git a/src/feature/dirauth/dirauth_config.h b/src/feature/dirauth/dirauth_config.h
index 95aef3de9..2c67c62ec 100644
--- a/src/feature/dirauth/dirauth_config.h
+++ b/src/feature/dirauth/dirauth_config.h
@@ -20,6 +20,10 @@ int options_validate_dirauth_mode(const or_options_t *old_options,
                                   or_options_t *options,
                                   char **msg);
 
+int options_validate_dirauth_bandwidth(const or_options_t *old_options,
+                                       or_options_t *options,
+                                       char **msg);
+
 int options_validate_dirauth_schedule(const or_options_t *old_options,
                                       or_options_t *options,
                                       char **msg);
@@ -56,6 +60,9 @@ options_validate_dirauth_mode(const 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)
 



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