Upstream ChangeLog:
Changes in version 2.0.22-stable (5 Jan 2015)
SECURITY FIXES (evbuffers)
o Avoid integer overflow bugs in evbuffer_add() and related functions.
See CVE-2014-6272 advisory for more information.
(20d6d4458bee5d88bda1511c225c25b2d3198d6c)
BUGFIXES (evhttp)
o fix#73 and fix http_connection_fail_test to catch it (crash fix)
(b618204 Greg Hazel)
o Avoid racy bufferevent activation (5eb1788 Nate Rosenblum)
BUGFIXES (compilation and portability)
o Fix compilation with WIN32_HAVE_CONDITION_VARIABLES enabled (7e45739)
o Fix missing AC_PROG_SED on older Autoconfs (9ab2b3f Tay Ray Chuan)
o Backport libevent to vanilla Autoconf 2.59 (as used in RHEL5)
(74d4c44 Kevin Bowling)
o Use AC_CONFIG_HEADERS in place of AM_CONFIG_HEADERS for
automake 1.13 compat (817ea36)
o Rename configure.in to configure.ac to appease newer autoconfs (0c79787)
o Avoid using top_srcdir in TESTS: new automakes do not like this (a55514e)
o Use windows vsnprintf fixup logic on all windows environments (e826f19)
o Fix a compiler warning when checking for arc4random_buf linker breakage.
(5cb3865)
o Fix another arc4random_buf-related warning (e64a2b0)
o Add -Qunused-arguments for clang on macos (b56611d Trond Norbye)
BUGFIXES (resource leaks/lock errors on error)
o Avoid leaking fds on evconnlistener with no callback set (69db261)
o Avoid double-close on getsockname error in evutil_ersatz_socketpair
(0a822a6)
o Fix a locking error in bufferevent_socket_get_dns_error. (0a5eb2e)
o libevent/win32_dealloc() : fix sizeof(pointer) vs sizeof(*pointer)
(b8f5980 Frank Denis)
BUGFIXES: (other stability)
o bufferevent_pair: don't call downcast(NULL) (f2428a2)
o Consistently check for failure from evbuffer_pullup() (60f8f72)
o Fix race caused by event_active (3c7d6fc vjpai)
BUGFIXES (miscellaneous)
o Avoid redundant invocations of init_extension_functions for IOCP (3b77d62)
o Typo fixes from Linus Nordberg (cec62cb, 8cd695b)
o Add a few files created by "make verify" to .gitignore.
(1a8295a Pierre Phaneuf)
o regress_buffer: fix 'memcmp' compare size (79800df Maks Naumov)
o Fix bufferevent setwatermark suspend_read (b34e4ac ufo2243)
o Fix evbuffer_peek() with len==-1 and start_at non-NULL. (fb7e76a)
BUFGIXES (evdns)
o Checking request nameserver for NULL, before using it.
(5c710c0 Belobrov Andrey)
o Fix SEGFAULT after evdns_base_resume if no nameservers installed.
(f8d7df8 Azat Khuzhin)
o Fix a crash in evdns related to shutting down evdns (9f39c88,e8fe749)
BUGFIXES (epoll)
o Check does arch have the epoll_create and __NR_epoll_wait syscalls.
(dfe1e52 Marcin Juszkiewicz)
BUGFIXES (evutil_secure_random)
o Avoid other RNG initialization FS reads when urandom file is specified
(9695e9c, bb52471)
o When we seed from /proc/sys/kernel/random/uuid, count it as success (e35b540)
o Document that arc4random is not a great cryptographic PRNG. (6e49696)
o Add evutil_secure_rng_set_urandom_device_file (2bbb5d7)
o Really remove RNG seeds from the stack (f5ced88)
DOCUMENTATION FIXES
o Fix a mistake in evbuffer_remove() arguments in example http server
code (c322c20 Gyepi Sam)
o Fix a typo in a comment in buffer.h. Spotted by Alt_F4 (773b0a5)
o Clarify event_base_loop exit conditions (031a803)
o Use FindClose for handle from FindFirstFile in http-server.c (6466e88)
o Fix a typo in a doxygen comment. Reported by 亦得. (be1aeff)
c3f2b3af56