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[tor-commits] [tor/master] fold in the changes files



commit c77d1b7bda554d80c309c1d448d32f3220537b4f
Author: Roger Dingledine <arma@xxxxxxxxxxxxxx>
Date:   Wed Sep 5 04:46:44 2012 -0400

    fold in the changes files
    
    in-progress due to various bugs i uncovered in the ipv6 config option
    meanings.
---
 ChangeLog                 |  116 +++++++++++++++++++++++++++++++++++++++++++++
 changes/bug2385           |    9 ----
 changes/bug3589           |    3 -
 changes/bug3842           |    3 -
 changes/bug4195           |    6 --
 changes/bug4620           |    3 -
 changes/bug4971           |    2 -
 changes/bug5124           |    4 --
 changes/bug5529           |    3 -
 changes/bug5534           |    4 --
 changes/bug5535           |    5 --
 changes/bug5974           |    4 --
 changes/bug6177           |    5 --
 changes/bug6271-related   |    6 --
 changes/bug6362           |    3 -
 changes/bug6363           |    3 -
 changes/bug6364           |    3 -
 changes/bug6468           |    8 ---
 changes/bug6647           |    7 ---
 changes/bug6759           |    6 --
 changes/enh6406           |    4 --
 changes/feature6758       |    5 --
 changes/feature6760       |    6 --
 changes/no_malloc_roundup |    8 ---
 changes/nonrecursive_make |   16 ------
 changes/tkt6522           |    5 --
 26 files changed, 116 insertions(+), 131 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 3c63e10..ab0fd25 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,119 @@
+Changes in version 0.2.4.1-alpha - 2012-09-05
+  Tor 0.2.4.1-alpha adds ... XXX
+
+  This is the first alpha release in a new series, so expect there to
+  be bugs. Users who would rather test out a more stable branch should
+  stay with 0.2.3.x for now.
+
+  o Major features (bridges):
+    - Bridges now report the pluggable transports they support to the
+      bridge authority, so it can pass the supported transports on to
+      bridgedb and/or eventually do reachability testing. Implements
+      ticket 3589.
+
+  o Major features (IPv6):
+    - Bridge authorities now accept IPv6 bridge addresses and include
+      them in network status documents. Implements ticket 5534.
+    - Clients who set "ClientUseIPv6 1" may connect to entry nodes over
+      IPv6. Set "ClientPreferIPv6ORPort 1" to make this even more likely
+      to happen. Implements ticket 5535.
+    - All kind of relays, not just bridges, can now advertise an IPv6
+      OR port. Implements ticket 6362.
+    - Directory authorities vote on IPv6 OR ports using the new consensus
+      method 14. Implements ticket 6363.
+
+  o Major features (build):
+    - Switch to a nonrecursive Makefile structure. Now instead of each
+      Makefile.am invoking other Makefile.am's, there is a master
+      Makefile.am that includes the others. This change makes our build
+      process slightly more maintainable, and improves parallelism for
+      building with make -j. Original patch by Stewart Smith; various
+      fixes by Jim Meyering.
+    - Where available, we now use automake's "silent" make rules by
+      default, so that warnings are easier to spot. You can get the old
+      behavior with "make V=1". Patch by Stewart Smith for ticket 6522.
+
+  o Minor features (code security and spec conformance):
+    - Clear keys and key-derived material left on the stack in
+      rendservice.c and rendclient.c. Check return value of
+      crypto_pk_write_private_key_to_string() in end_service_load_keys().
+      These fixes should make us more forward-secure against cold-boot
+      attacks and the like. Fixes bug 2385.
+    - Reject EXTEND cells sent to nonexistent streams. According to the
+      spec, an EXTEND cell sent to _any_ nonzero stream ID is invalid, but
+      we were only checking for stream IDs that were currently in use.
+      Found while hunting for more instances of bug 6271. Bugfix on
+      0.0.2pre8, which introduced incremental circuit construction.
+
+  o Minor features (streamlining);
+    - No longer include the "opt" prefix when generating routerinfos
+      or v2 directories: it has been needless since Tor 0.1.2. Closes
+      ticket 5124.
+    - Remove some now-needless code that tried to aggressively flush
+      OR connections as data was added to them. Since 0.2.0.1-alpha, our
+      cell queue logic has saved us from the failure mode that this code
+      was supposed to prevent. Removing this code will limit the number
+      of baroque control flow paths through Tor's network logic. Reported
+      pseudonymously on IRC. Fixes bug 6468; bugfix on 0.2.0.1-alpha.
+
+  o Minor features (controller):
+    - Add a "GETINFO signal/names" control port command. Implements
+      ticket 3842.
+    - Provide default values for all options via "GETINFO config/defaults".
+      Implements ticket 4971.
+
+  o Minor features (IPv6):
+    - New config option "AuthDirHasIPv6Connectivity auto" that ... XXX
+      Implements feature 5974.
+    - A relay with an IPv6 OR port now sends that address in NETINFO
+      cells (in addition to its other address). Implements ticket 6364.
+    - New config option AuthDirPublishIPv6. Implements ticket 6406.
+
+  o Minor features (log messages):
+    - Omit the first heartbeat log message, because it never has anything
+      useful to say, and it clutters up the bootstrapping messages.
+      Resolves ticket 6758.
+    - Don't log about reloading the microdescriptor cache at startup. Our
+      bootstrap warnings are supposed to tell the user when there's a
+      problem, and our bootstrap notices say when there isn't. Resolves
+      ticket 6759; bugfix on 0.2.2.6-alpha.
+    - Don't log "I learned some more directory information" when we're
+      reading cached directory information. Reserve it for when new
+      directory information arrives in response to a fetch. Resolves
+      ticket 6760.
+    - Prevent rounding error in path bias counts when scaling
+      them down, and use the correct scale factor default. Also demote
+      some path bias related log messages down a level and make others
+      less scary sounding. Fixes bug 6647. Bugfix against 0.2.3.17-beta.
+    - We no longer warn so much when generating manpages from their
+      asciidoc source.
+
+  o Code simplifications and refactoring:
+    - Enhance our internal sscanf replacement so that we can eliminate
+      the last remaining uses of the system sscanf. (Though those uses
+      of sscanf were safe, sscanf itself is generally error prone, so
+      we want to eliminate when we can.) Fixes ticket 4195 and Coverity
+      CID 448.
+    - Move ipv6_preferred from routerinfo_t to node_t. Addresses bug 4620.
+    - Move last_reachable and testing_since from routerinfo_t to node_t.
+      Implements ticket 5529.
+    - Add replaycache_t structure, functions and unit tests, then refactor
+      rend_service_introduce() to be more clear to read, improve, debug,
+      and test. Resolves bug 6177.
+    - Finally remove support for malloc_good_size and malloc_usable_size.
+      We had hoped that these functions would let us eke a little more
+      memory out of our malloc implementation. Unfortunately, the only
+      implementations that provided these functions are also ones that
+      are already efficient about not overallocation: they never got us
+      more than 7 or so bytes per allocation. Removing them saves us a
+      little code complexity and a nontrivial amount of build complexity.
+
+  o New requirements:
+    - Tor maintainers now require Automake version 1.9 or later to build
+      Tor from the Git repository. (Automake is not required when building
+      from a source distribution.)
+
+
 Changes in version 0.2.3.21-rc - 2012-09-05
   Tor 0.2.3.21-rc is the fourth release candidate for the Tor 0.2.3.x
   series. It fixes a trio of potential security bugs, fixes a bug where
diff --git a/changes/bug2385 b/changes/bug2385
deleted file mode 100644
index 5d571d9..0000000
--- a/changes/bug2385
+++ /dev/null
@@ -1,9 +0,0 @@
- o Minor features (security):
-   - Clear keys and key-derived material left on the stack in
-     rendservice.c and rendclient.c. This should make us more
-     forward-secure against cold-boot attacks and the like. Fix for
-     bug 2385.
-
-   - Check return value of crypto_pk_write_private_key_to_string() in
-     end_service_load_keys(). This should make us more forward-secure
-     against cold-boot attacks and the like. Fix for bug 2385.
diff --git a/changes/bug3589 b/changes/bug3589
deleted file mode 100644
index eff2650..0000000
--- a/changes/bug3589
+++ /dev/null
@@ -1,3 +0,0 @@
-  o Major features:
-    - Bridges now report the pluggable transports they support to the
-      bridge authority. Implements ticket 3589.
diff --git a/changes/bug3842 b/changes/bug3842
deleted file mode 100644
index 9a67b0d..0000000
--- a/changes/bug3842
+++ /dev/null
@@ -1,3 +0,0 @@
- o Minor feature:
-   - Add a "GETINFO signal/names" command to control port.
-
diff --git a/changes/bug4195 b/changes/bug4195
deleted file mode 100644
index 2e7a724..0000000
--- a/changes/bug4195
+++ /dev/null
@@ -1,6 +0,0 @@
-  o Minor features:
-    - Enhance our internal sscanf replacement so that we can eliminate
-      the last remaining uses of the system sscanf. (Though those uses
-      of sscanf were safe, sscanf itself is generally error prone, so
-      we want to eliminate when we can.) Fixes ticket 4195 and Coverity
-      CID 448.
diff --git a/changes/bug4620 b/changes/bug4620
deleted file mode 100644
index 05bc8bc..0000000
--- a/changes/bug4620
+++ /dev/null
@@ -1,3 +0,0 @@
-  o Code simplifications and refactoring
-    - Move ipv6_preferred from routerinfo_t to node_t.
-      Addresses bug 4620.
diff --git a/changes/bug4971 b/changes/bug4971
deleted file mode 100644
index 8c7d830..0000000
--- a/changes/bug4971
+++ /dev/null
@@ -1,2 +0,0 @@
- o Minor Feature:
-   - Provide default values for all options via "GETINFO config/defaults"
diff --git a/changes/bug5124 b/changes/bug5124
deleted file mode 100644
index 5999f7e..0000000
--- a/changes/bug5124
+++ /dev/null
@@ -1,4 +0,0 @@
-  o Removed code:
-    - No longer include the "opt" prefix when generating routerinfos
-      or v2 directories: it has been needless since Tor 0.1.2. Closes
-      ticket 5124.
\ No newline at end of file
diff --git a/changes/bug5529 b/changes/bug5529
deleted file mode 100644
index 3f56e82..0000000
--- a/changes/bug5529
+++ /dev/null
@@ -1,3 +0,0 @@
-  o Code refactoring:
-    - Move last_reachable and testing_since from routerinfo_t to
-      node_t.  Implements enhancement 5529.
diff --git a/changes/bug5534 b/changes/bug5534
deleted file mode 100644
index 1518317..0000000
--- a/changes/bug5534
+++ /dev/null
@@ -1,4 +0,0 @@
-  o Major features (IPv6):
-    Add support for bridge authorities to accept IPv6 bridge addresses
-    and include them in network status documents.  Implements
-    enhancement 5534.
diff --git a/changes/bug5535 b/changes/bug5535
deleted file mode 100644
index b5fa0d7..0000000
--- a/changes/bug5535
+++ /dev/null
@@ -1,5 +0,0 @@
-  o Major features:
-    - If configured with ClientUseIPv6, clients may connect to entry
-      nodes over IPv6. Another new config option, ClientPreferIPv6ORPort,
-      can be set to make this even more likely to happen.
-      Implements ticket 5535.
diff --git a/changes/bug5974 b/changes/bug5974
deleted file mode 100644
index c016be1..0000000
--- a/changes/bug5974
+++ /dev/null
@@ -1,4 +0,0 @@
-  o Minor features:
-
-    - Add new configure option AuthDirHasIPv6Connectivity.  Implements
-      feature #5974.
diff --git a/changes/bug6177 b/changes/bug6177
deleted file mode 100644
index 12ab43a..0000000
--- a/changes/bug6177
+++ /dev/null
@@ -1,5 +0,0 @@
-  o Code simplification and refactoring:
-    - Add replaycache_t structure, functions and unit tests, for future use
-      in refactoring rend_service_introduce() for bug 6177.
-    - Refactor rend_service_introduce() to be more clear to read, improve,
-      debug, and test. Bug 6177.
diff --git a/changes/bug6271-related b/changes/bug6271-related
deleted file mode 100644
index 78e53c8..0000000
--- a/changes/bug6271-related
+++ /dev/null
@@ -1,6 +0,0 @@
-  o Minor bugfixes (spec conformance):
-    - Reject EXTEND cells sent to nonexistent streams. According to the
-      spec, an EXTEND cell sent to _any_ nonzero stream ID is invalid, but
-      we were only checking for stream IDs that were currenty in use.
-      Found while hunting for more instances of bug 6271. Bugfix on
-      0.0.2pre8, which introduced incremental circuit construction.
diff --git a/changes/bug6362 b/changes/bug6362
deleted file mode 100644
index 9514969..0000000
--- a/changes/bug6362
+++ /dev/null
@@ -1,3 +0,0 @@
-  o Major features:
-    - All kind of relays, not only bridges, can now advertise an IPv6
-      OR port. Implements ticket 6362.
diff --git a/changes/bug6363 b/changes/bug6363
deleted file mode 100644
index de99b72..0000000
--- a/changes/bug6363
+++ /dev/null
@@ -1,3 +0,0 @@
-  o Major features:
-    - Directory authorities vote on IPv6 OR ports using new consensus
-      method 14. Implements ticket 6363.
diff --git a/changes/bug6364 b/changes/bug6364
deleted file mode 100644
index c0eb453..0000000
--- a/changes/bug6364
+++ /dev/null
@@ -1,3 +0,0 @@
-  o Minor features:
-    - A relay with an IPv6 OR port now sends that address in NETINFO
-      cells. Fix for bug 6364.
diff --git a/changes/bug6468 b/changes/bug6468
deleted file mode 100644
index fb624da..0000000
--- a/changes/bug6468
+++ /dev/null
@@ -1,8 +0,0 @@
-  o Minor bugfixes:
-    - Remove some now-needless code that tried to aggressively flush
-      OR connections as data was added to them. Since 0.2.0.1-alpha,
-      our cell queue logic has saved us from the failure mode that
-      this code was supposed to prevent. Removing this code will limit
-      the number of baroque control flow paths through Tor's network
-      logic.  Reported pseudonymously on IRC.  Fix for bug 6468;
-      bigfix on 0.2.0.1-alpha.
\ No newline at end of file
diff --git a/changes/bug6647 b/changes/bug6647
deleted file mode 100644
index ef29ae3..0000000
--- a/changes/bug6647
+++ /dev/null
@@ -1,7 +0,0 @@
-  o Minor bugfixes:
-     - Prevent rounding error in path bias counts when scaling
-       them down, and use the correct scale factor default.
-       Bugfix against 0.2.3.17-beta.
-     - Demote some path bias related log messages down a level
-       and make others less scary sounding.
-       Bugfix against 0.2.3.17-beta.
diff --git a/changes/bug6759 b/changes/bug6759
deleted file mode 100644
index b0092d0..0000000
--- a/changes/bug6759
+++ /dev/null
@@ -1,6 +0,0 @@
-  o Minor bugfixes:
-    - Don't log about reloading the microdescriptor cache at startup. Our
-      bootstrap warnings are supposed to tell the user when there's a
-      problem, and our bootstrap notices say when there isn't. Fixes
-      bug 6759; bugfix on 0.2.2.6-alpha.
-
diff --git a/changes/enh6406 b/changes/enh6406
deleted file mode 100644
index 08349b2..0000000
--- a/changes/enh6406
+++ /dev/null
@@ -1,4 +0,0 @@
-  o Minor features:
-
-    - Add new configure option AuthDirPublishIPv6.  Implements
-      enhancement #6406.
diff --git a/changes/feature6758 b/changes/feature6758
deleted file mode 100644
index 049f05e..0000000
--- a/changes/feature6758
+++ /dev/null
@@ -1,5 +0,0 @@
-  o Minor features:
-    - Omit the first heartbeat log message, because it never has anything
-      useful to say, and it clutters up the bootstrapping messages.
-      Resolves ticket 6758.
-
diff --git a/changes/feature6760 b/changes/feature6760
deleted file mode 100644
index cd94d4e..0000000
--- a/changes/feature6760
+++ /dev/null
@@ -1,6 +0,0 @@
-  o Minor features:
-    - Don't log "I learned some more directory information" when we're
-      reading cached directory information. Reserve it for when new
-      directory information arrives in response to a fetch. Resolves
-      ticket 6760.
-
diff --git a/changes/no_malloc_roundup b/changes/no_malloc_roundup
deleted file mode 100644
index 3a54fa7..0000000
--- a/changes/no_malloc_roundup
+++ /dev/null
@@ -1,8 +0,0 @@
-  o Code simplification and refactoring:
-    - Finally remove support for malloc_good_size and malloc_usable_size.
-      We had hoped that these functions would let us eke a little more
-      memory out of our malloc implementation. Unfortunately, the only
-      implementations that provided these functions are also ones that
-      are already efficient about not overallocation: they never got us
-      more than 7 or so bytes per allocation. Removing them saves us
-      a little code complexity and a nontrivial amount of build complexity. 
diff --git a/changes/nonrecursive_make b/changes/nonrecursive_make
deleted file mode 100644
index 71120a5..0000000
--- a/changes/nonrecursive_make
+++ /dev/null
@@ -1,16 +0,0 @@
-  o Major features (build):
-    - Switch to a nonrecursive Makefile structure. Now instead of each
-      Makefile.am invoking other Makefile.ams, there is a master
-      Makefile.am that includes the others. This makes our build process
-      slightly more maintainable, and improves parallelism for building
-      with make -j. Original patch by Stewart Smith; various fixes by
-      Jim Meyering.
-
-  o Minor bugfixes (documentation):
-    - We no longer warn so much when generating manpages from their
-      asciidoc source.
-
-  o New requirements:
-    - Tor maintainers now require Automake version 1.9 or later to build
-      Tor from the Git repository. (Automake is not required when building
-      from a source distribution.)
diff --git a/changes/tkt6522 b/changes/tkt6522
deleted file mode 100644
index 5a8295a..0000000
--- a/changes/tkt6522
+++ /dev/null
@@ -1,5 +0,0 @@
-  o Build changes:
-    - Where available, we now use automake's "silent" make rules by
-      default, so that warnings are easier to spot.  You can get the
-      old behavior with "make V=1". Patch by Stewart Smith for ticket
-      6522.

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