Tweak the bug2250 fix slightly

Rename the _UsingTestingTorNetwork hidden option to
_UsingTestNetworkDefaults (thanks Nick for the suggestion) and added a
changes file.

changes/bug2250

@@ -0,0 +1,5 @@
+  o Minor bugfixes:
+    - Fix an assert that got triggered when using the TestingTorNetwork
+      configuration option and then issuing a GETINFO config-text control
+      command. Fixes bug 2250; bugfix on 0.2.1.2-alpha.
+

src/or/config.c

@@ -393,7 +393,7 @@ static config_var_t _option_vars[] = {
   VAR("__HashedControlSessionPassword", LINELIST, HashedControlSessionPassword,
       NULL),
   V(MinUptimeHidServDirectoryV2, INTERVAL, "24 hours"),
-  V(_UsingTestingTorNetwork,    BOOL,     "0"),
+  V(_UsingTestNetworkDefaults,   BOOL,     "0"),
 
   { NULL, CONFIG_TYPE_OBSOLETE, 0, NULL }
 };
@@ -419,7 +419,7 @@ static config_var_t testing_tor_network_defaults[] = {
   V(TestingAuthDirTimeToLearnReachability, INTERVAL, "0 minutes"),
   V(TestingEstimatedDescriptorPropagationTime, INTERVAL, "0 minutes"),
   V(MinUptimeHidServDirectoryV2, INTERVAL, "0 minutes"),
-  V(_UsingTestingTorNetwork,    BOOL,     "1"),
+  V(_UsingTestNetworkDefaults,   BOOL,     "1"),
   { NULL, CONFIG_TYPE_OBSOLETE, 0, NULL }
 };
 #undef VAR
@@ -3657,7 +3657,7 @@ options_validate(or_options_t *old_options, or_options_t *options,
   /* Keep changes to hard-coded values synchronous to man page and default
    * values table. */
   if (options->TestingV3AuthInitialVotingInterval != 30*60 &&
-      !options->TestingTorNetwork && !options->_UsingTestingTorNetwork) {
+      !options->TestingTorNetwork && !options->_UsingTestNetworkDefaults) {
     REJECT("TestingV3AuthInitialVotingInterval may only be changed in testing "
            "Tor networks!");
   } else if (options->TestingV3AuthInitialVotingInterval < MIN_VOTE_INTERVAL) {
@@ -3668,7 +3668,7 @@ options_validate(or_options_t *old_options, or_options_t *options,
   }
 
   if (options->TestingV3AuthInitialVoteDelay != 5*60 &&
-      !options->TestingTorNetwork && !options->_UsingTestingTorNetwork) {
+      !options->TestingTorNetwork && !options->_UsingTestNetworkDefaults) {
 
     REJECT("TestingV3AuthInitialVoteDelay may only be changed in testing "
            "Tor networks!");
@@ -3677,7 +3677,7 @@ options_validate(or_options_t *old_options, or_options_t *options,
   }
 
   if (options->TestingV3AuthInitialDistDelay != 5*60 &&
-      !options->TestingTorNetwork && !options->_UsingTestingTorNetwork) {
+      !options->TestingTorNetwork && !options->_UsingTestNetworkDefaults) {
     REJECT("TestingV3AuthInitialDistDelay may only be changed in testing "
            "Tor networks!");
   } else if (options->TestingV3AuthInitialDistDelay < MIN_DIST_SECONDS) {
@@ -3692,7 +3692,7 @@ options_validate(or_options_t *old_options, or_options_t *options,
   }
 
   if (options->TestingAuthDirTimeToLearnReachability != 30*60 &&
-      !options->TestingTorNetwork && !options->_UsingTestingTorNetwork) {
+      !options->TestingTorNetwork && !options->_UsingTestNetworkDefaults) {
     REJECT("TestingAuthDirTimeToLearnReachability may only be changed in "
            "testing Tor networks!");
   } else if (options->TestingAuthDirTimeToLearnReachability < 0) {
@@ -3702,7 +3702,7 @@ options_validate(or_options_t *old_options, or_options_t *options,
   }
 
   if (options->TestingEstimatedDescriptorPropagationTime != 10*60 &&
-      !options->TestingTorNetwork && !options->_UsingTestingTorNetwork) {
+      !options->TestingTorNetwork && !options->_UsingTestNetworkDefaults) {
     REJECT("TestingEstimatedDescriptorPropagationTime may only be changed in "
            "testing Tor networks!");
   } else if (options->TestingEstimatedDescriptorPropagationTime < 0) {

src/or/or.h

@@ -2844,7 +2844,7 @@ typedef struct {
   /** Set to true if the TestingTorNetwork configuration option is set.
    * This is used so that options_validate() has a chance to realize that
    * the defaults have changed. */
-  int _UsingTestingTorNetwork;
+  int _UsingTestNetworkDefaults;
 
 } or_options_t;