commit ab83a27450fc3afb57874ca202dcee570607a1ff Author: Nick Mathewson nickm@torproject.org Date: Thu Apr 17 00:13:11 2014 -0400
Merge more changes files (verbatim) into the changelog --- ChangeLog | 87 ++++++++++++++++++++++++++++++++++++++++++- changes/10267_tproxy | 4 -- changes/10896 | 8 ---- changes/11507 | 7 ---- changes/bug10431 | 5 --- changes/bug11304 | 5 --- changes/bug11306 | 4 -- changes/bug11464_023 | 5 --- changes/bug11465 | 9 ----- changes/bug11477 | 4 -- changes/bug11513 | 12 ------ changes/bug11519 | 3 -- changes/bug5286 | 4 -- changes/ff28_ciphers | 6 --- changes/sandbox_fixes_11351 | 13 ------- 15 files changed, 86 insertions(+), 90 deletions(-)
diff --git a/ChangeLog b/ChangeLog index 8f2244e..790d1d4 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,11 @@ Changes in version 0.2.5.4-alpha - 2014-04-??
+ o Major features (security): + - Block authority signing keys that were used on an authorities + vulnerable to the "heartbleed" bug in openssl (CVE-2014-0160). + (We don't have any evidence that these keys _were_ compromised; + we're doing this to be prudent.) Resolves ticket 11464. + o Deprecated versions: - Tor 0.2.2.x has reached end-of-life; it has received no patches or attention for some while. Directory authorities no longer accept @@ -12,6 +18,32 @@ Changes in version 0.2.5.4-alpha - 2014-04-?? the circuits. These functions previously accounted between 3 and 7% of CPU usage on some busy relays.
+ o Major features (seccomp2 sandbox): + - Refinements and improvements to the Linux seccomp2 sandbox code: + the sandbox can now run a test network for multiple hours without + crashing. (Previous crash reasons included: reseeding the OpenSSL PRNG, + seeding the Libevent PRNG, using the wrong combination of CLOEXEC and + NONBLOCK at the same place and time, having server keys, being an + authority, receiving a HUP, or using IPv6.) The sandbox is still + experimental, and more bugs will probably turn up. To try it, + enable "Sandbox 1" on a Linux host. + - Strengthen the Linux seccomp2 sandbox code: the sandbox can now + test the arguments for rename(), and blocks _sysctl() entirely. + - When the Linux syscall sandbox finds an illegal system call, it + now tries to log a stack trace before exiting. Resolves ticket + 11465. + + o Major bugfixes (TLS cipher selection): + - Generate the server's preference list for ciphersuites + automatically based on uniform criteria, and considering all + OpenSSL ciphersuites with acceptable strength and forward + secrecy. (The sort order is: prefer AES to 3DES; break ties by + preferring ECDHE to DHE; break ties by preferring GCM to CBC; + break ties by preferring SHA384 to SHA256 to SHA1; and finally, + break ties by preferring AES256 to AES128.) This resolves bugs + #11513, #11492, #11498, #11499. Bugs reported by 'cypherpunks'. + Bugfix on 0.2.4.8-alpha. + o Major bugfixes (undefined behavior): - Fix two instances of possible undefined behavior in channeltls.c that could, under unlucky circumstances, have led to a pointer @@ -31,6 +63,26 @@ Changes in version 0.2.5.4-alpha - 2014-04-?? - Log only one message when we start logging in an unsafe way. Previously, we would log as many messages as we had problems. Fix for #9870; bugfix on 0.2.5.1-alpha. + - Using the Linux syscall sandbox no longer prevents stack-trace + logging on crashes or errors. Fixes part 11465; bugfix on + 0.2.5.1-alpha. + - Only report the first fatal boostrap error on a given OR + connection. This prevents controllers from declaring that a + connection has failed because of "DONE" or other junk reasons. + Fixes bug 10431; bugfix on 0.2.1.1-alpha. + + o Minor bugfixes (closing channels): + - If write_to_buf() in connection_write_to_buf_impl_() ever fails, + check if it's an or_connection_t and correctly call + connection_or_close_for_error() rather than connection_mark_for_close() + directly. Fixes bug #11304; bugfix on 0.2.4.4-alpha. + - When closing all connections on setting DisableNetwork to 1, use + connection_or_close_normally() rather than closing orconns out from + under the channel layer. Fixes bug #11306; bugfix on 0.2.4.4-alpha. + + o Minor bugfixes (controller): + - Avoid sending an garbage value to the controller when a circuit is + cannibalized. Fixes bug 11519; bugfix on 0.2.3.11-alpha.
o Minor bugfixes (tor-fw-helper): - Allow tor-fw-helper to build again by adding src/ext to its @@ -80,7 +132,34 @@ Changes in version 0.2.5.4-alpha - 2014-04-?? - Stop leaking memory when we successfully resolve a PTR record. Fixes bug 11437; bugfix on 0.2.4.7-alpha.
- o Minor bugfixes (windows): + o Minor features (Transparent proxy): + - Support the ipfw firewall interface for transparent proxy support on + FreeBSD. To enable it, set "TransProxyType ipfw" in your torrc. + Resolves ticket 10267; patch from "yurivict". + - Support OpenBSD's divert-to rules with the pf firewall, when + "TransProxyType pf-divert" is specified. This allows Tor to run a + TransPort transparent proxy port on OpenBSD 4.4 or later without + root privileges. See the pf.conf(5) manual page for information on + configuring pf to use divert-to rules. Closes ticket 10896; patch + from Dana Koch. + + o Minor features (security): + - New --enable-expensive-hardening option to turn on security hardening + options that consume nontrivial amounts of CPU and memory. Right now, + this includes AddressSanitizer and UbSan. Closes ticket 11477. + + o Minor features (usability): + - Demote the message that we give when a flushing connection times + out for too long from NOTICE to INFO. It was usually meaningless. + Resolves ticket 5286. + + o Minor features (performance, compatibility): + - Update the list of TLS cipehrsuites that a client advertises + to match those advertised by Firefox 28. This enables selection of + (fast) GCM ciphersuites, disables some strange old ciphers, and + disables the ECDH (not to be confused with ECDHE) ciphersuites. + Resolves ticket 11438. +
o Minor bugfixes (IPv6): - When using DNSPort and AutomapHostsOnResolve, respond to AAAA @@ -137,6 +216,12 @@ Changes in version 0.2.5.4-alpha - 2014-04-?? - Change our use of the ENUM_BF macro to avoid declarations that confuse Doxygen.
+ o Testing: + - New macros in test.h to simplify writting mock-functions for unit + tests. Part of ticket 11507. Patch from Dana Koch. + - Complete tests for the status.c module. Resolves ticket 11507. + Patch from Dana Koch. + o Removed code: - Remove all code for the long unused v1 directory protocol. Resolves ticket 11070. diff --git a/changes/10267_tproxy b/changes/10267_tproxy deleted file mode 100644 index f65e4a2..0000000 --- a/changes/10267_tproxy +++ /dev/null @@ -1,4 +0,0 @@ - o Minor features: - - Support the ipfw firewall interface for transparent proxy support on - FreeBSD. To enable it, set "TransProxyType ipfw" in your torrc. - Resolves ticket 10267; patch from "yurivict". diff --git a/changes/10896 b/changes/10896 deleted file mode 100644 index 278815e..0000000 --- a/changes/10896 +++ /dev/null @@ -1,8 +0,0 @@ - o Minor features: - - Support OpenBSD's divert-to rules with the pf firewall, when - "TransProxyType pf-divert" is specified. This allows Tor to run a - TransPort transparent proxy port on OpenBSD 4.4 or later without - root privileges. See the pf.conf(5) manual page for information on - configuring pf to use divert-to rules. Closes ticket 10896; patch - from Dana Koch. - diff --git a/changes/11507 b/changes/11507 deleted file mode 100644 index f656d90..0000000 --- a/changes/11507 +++ /dev/null @@ -1,7 +0,0 @@ - o Testing support: - - New macros in test.h to simplify writting mock-functions for unit - tests. Part of ticket 11507. Patch from Dana Koch. - - o Testing: - - Complete tests for the status.c module. Resolves ticket 11507. - Patch from Dana Koch. diff --git a/changes/bug10431 b/changes/bug10431 deleted file mode 100644 index 39353a2..0000000 --- a/changes/bug10431 +++ /dev/null @@ -1,5 +0,0 @@ - o Minor bugfixes: - - Only report the first fatal boostrap error on a given OR - connection. This prevents controllers from declaring that a - connection has failed because of "DONE" or other junk reasons. - Fixes bug 10431; bugfix on 0.2.1.1-alpha. diff --git a/changes/bug11304 b/changes/bug11304 deleted file mode 100644 index 4930dd6..0000000 --- a/changes/bug11304 +++ /dev/null @@ -1,5 +0,0 @@ - o Bugfixes: - - If write_to_buf() in connection_write_to_buf_impl_() ever fails, - check if it's an or_connection_t and correctly call - connection_or_close_for_error() rather than connection_mark_for_close() - directly. Fixes bug #11304; bugfix on 0.2.4.4-alpha. diff --git a/changes/bug11306 b/changes/bug11306 deleted file mode 100644 index 5937938..0000000 --- a/changes/bug11306 +++ /dev/null @@ -1,4 +0,0 @@ - o Bugfixes: - - When closing all connections on setting DisableNetwork to 1, use - connection_or_close_normally() rather than closing orconns out from - under the channel layer. Fixes bug #11306; bugfix on 0.2.4.4-alpha. diff --git a/changes/bug11464_023 b/changes/bug11464_023 deleted file mode 100644 index 80c04b2..0000000 --- a/changes/bug11464_023 +++ /dev/null @@ -1,5 +0,0 @@ - o Major features (security): - - Block authority signing keys that were used on an authorities - vulnerable to the "heartbleed" bug in openssl (CVE-2014-0160). - (We don't have any evidence that these keys _were_ compromised; - we're doing this to be prudent.) Resolves ticket 11464. diff --git a/changes/bug11465 b/changes/bug11465 deleted file mode 100644 index 2425299..0000000 --- a/changes/bug11465 +++ /dev/null @@ -1,9 +0,0 @@ - o Minor features: - - When the Linux syscall sandbox finds an illegal system call, it - now tries to log a stack trace before exiting. Resolves ticket - 11465. - - o Minor bugfixes: - - Using the Linux syscall sandbox no longer prevents stack-trace - logging on crashes or errors. Fixes part 11465; bugfix on - 0.2.5.1-alpha. diff --git a/changes/bug11477 b/changes/bug11477 deleted file mode 100644 index 44bdba9..0000000 --- a/changes/bug11477 +++ /dev/null @@ -1,4 +0,0 @@ - o Minor features: - - New --enable-expensive-hardening option to turn on security hardening - options that consume nontrivial amounts of CPU and memory. Right now, - this includes AddressSanitizer and UbSan. Closes ticket 11477. diff --git a/changes/bug11513 b/changes/bug11513 deleted file mode 100644 index 820c026..0000000 --- a/changes/bug11513 +++ /dev/null @@ -1,12 +0,0 @@ - o Major bugfixes: - - Generate the server's preference list for ciphersuites - automatically based on uniform criteria, and considering all - OpenSSL ciphersuites with acceptable strength and forward - secrecy. (The sort order is: prefer AES to 3DES; break ties by - preferring ECDHE to DHE; break ties by preferring GCM to CBC; - break ties by preferring SHA384 to SHA256 to SHA1; and finally, - break ties by preferring AES256 to AES128.) This resolves bugs - #11513, #11492, #11498, #11499. Bugs reported by 'cypherpunks'. - Bugfix on 0.2.4.8-alpha. - - diff --git a/changes/bug11519 b/changes/bug11519 deleted file mode 100644 index 5c1e6af..0000000 --- a/changes/bug11519 +++ /dev/null @@ -1,3 +0,0 @@ - o Minor bugfixes: - - Avoid sending an garbage value to the controller when a circuit is - cannibalized. Fixes bug 11519; bugfix on 0.2.3.11-alpha. diff --git a/changes/bug5286 b/changes/bug5286 deleted file mode 100644 index de02a9a..0000000 --- a/changes/bug5286 +++ /dev/null @@ -1,4 +0,0 @@ - o Minor features: - - Demote the message that we give when a flushing connection times - out for too long from NOTICE to INFO. It was usually meaningless. - Resolves ticket 5286. diff --git a/changes/ff28_ciphers b/changes/ff28_ciphers deleted file mode 100644 index 05eb4e9..0000000 --- a/changes/ff28_ciphers +++ /dev/null @@ -1,6 +0,0 @@ - o Minor features (performance, compatibility): - - Update the list of TLS cipehrsuites that a client advertises - to match those advertised by Firefox 28. This enables selection of - (fast) GCM ciphersuites, disables some strange old ciphers, and - disables the ECDH (not to be confused with ECDHE) ciphersuites. - Resolves ticket 11438. diff --git a/changes/sandbox_fixes_11351 b/changes/sandbox_fixes_11351 deleted file mode 100644 index 2fe2173..0000000 --- a/changes/sandbox_fixes_11351 +++ /dev/null @@ -1,13 +0,0 @@ - o Major features: - - Refinements and improvements to the Linux seccomp2 sandbox code: - the sandbox can now run a test network for multiple hours without - crashing. (Previous crash reasons included: reseeding the OpenSSL PRNG, - seeding the Libevent PRNG, using the wrong combination of CLOEXEC and - NONBLOCK at the same place and time, having server keys, being an - authority, receiving a HUP, or using IPv6.) The sandbox is still - experimental, and more bugs will probably turn up. To try it, - enable "Sandbox 1" on a Linux host. - - - Strengthen the Linux seccomp2 sandbox code: the sandbox can now - test the arguments for rename(), and blocks _sysctl() entirely. -