Alien-cares

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libcares/CHANGES.0  view on Meta::CPAN

  Changelog for the c-ares project

Version 1.7.5 (August 16, 2011)

Fixed:

 o detection of semicolon comments in resolv.conf
 o avoid using system's inet_net_pton affected by the WLB-2008080064 advisory
 o replacement ares_inet_net_pton affected by the WLB-2008080064 advisory
 o replacement ares_inet_ntop affected by potential out of bounds write
 o added install target to Makefile.msvc
 o only fall back to AF_INET searches when looking for AF_UNSPEC addresses
 o fixed ares_parse_*_reply memory leaks
 o Use correct sizeof in ares_getnameinfo()
 o IPv6-on-windows: find DNS servers correctly
 o man pages: docs for the c-ares utility programs
 o getservbyport replacement for Win CE
 o config_sortlist: (win32) missing else
 o advance_tcp_send_queue: avoid NULL ptr dereference
 o configure: fix a bashism
 o ares_expand_name: Fix encoded length for indirect root

Version 1.7.4 (December 9, 2010)

Changed:

 o local-bind: Support binding to local interface/IPs, see
   ares_set_local_ip4, ares_set_local_ip6, ares_set_local_dev

Fixed:

 o memory leak in ares_getnameinfo
 o add missing break that caused get_ares_servers to fail
 o ares_parse_a_reply: fix CNAME response parsing
 o init_by_options: don't copy an empty sortlist
 o Replaced uint32_t with unsigned int to fix broken builds
   on a couple of platforms
 o Fix lookup with HOSTALIASES set
 o adig: fix NAPTR parsing
 o compiler warning cleanups

Version 1.7.3 (June 11, 2010)

Fixed:

 o builds on Android
 o now includes all files necessary to build it (1.7.2 lacked a file)

Version 1.7.2 (June 10, 2010)

Changed:

 o Added ares_parse_mx_reply()

Fixed:

 o ares_init: Last, not first instance of domain or search should win
 o improve alternative definition of bool
 o fix VS2010 compiler warnings


Version 1.7.1 (Mar 23, 2010)

* May 31, 2010 (Jakub Hrozek)
- Use the last instance of domain/search, not the first one

* March 23, 2010 (Daniel Stenberg)
- We switched from CVS to git. See http://github.com/bagder/c-ares

* March 5, 2010 (Daniel Stenberg)
- Daniel Johnson provided fixes for building with the clang compiler.

* March 5, 2010 (Yang Tse)
- Added IPv6 name servers support. Implementation has been based on code,
  comments and feedback provided November and December of 2008 by Daniel
  Stenberg, Gregor Jasny, Phil Blundell and myself, December 2009 by Cedric
  Bail, and February 2010 by Jakub Hrozek on the c-ares mailing list. On
  March I reviewed all that, selected the best of each, and adjusted or
  extended parts of it to make the best fit.

  The external and visible result of all this is that two new functions are

libcares/CHANGES.0  view on Meta::CPAN

* May 20 2009 (Yang Tse)
- Added ares_library_init() and ares_library_cleanup() man pages.

* May 19 2009 (Yang Tse)
- Introduced ares_library_init() and ares_library_cleanup() functions.

  This is an API and ABI break for Win32/64 systems. Non-Win32/64 build targets
  using c-ares 1.7.0 can still survive without calling these functions. Read all
  the details on ares_library_init(3) and ares_library_cleanup(3) man pages that
  are included.

  curl/libcurl 7.19.5 is fully compatible with c-ares 1.7.0 on all systems.

  In order to use c-ares 1.7.0 with curl/libcurl on Win32/64 systems it is
  required that curl/libcurl is 7.19.5 or newer. In other words, it is not
  possible on Win32/64 to use c-ares 1.7.0 with a curl/libcurl version less
  than 7.19.5

* May 11 2009 (Daniel Stenberg)
- Gregor Jasny made c-ares link with libtool 's -export-symbols-regex option to
  only expose functions starting with ares_.

* May 7 2009 (Yang Tse)
- Fix an m4 overquoting triggering a spurious 'AS_TR_CPP' symbol definition
  attempt in generated config.h

* May 2 2009 (Yang Tse)
- Use a build-time configured ares_socklen_t data type instead of socklen_t.

* April 21 2009 (Yang Tse)
- Moved potential inclusion of system's malloc.h and memory.h header files to
  setup_once.h.  Inclusion of each header file is based on the definition of
  NEED_MALLOC_H and NEED_MEMORY_H respectively.

* March 11 2009 (Yang Tse)
- Japheth Cleaver fixed acountry.c replacing u_long with unsigned long.

* February 20 2009 (Yang Tse)
- Do not halt compilation when using VS2008 to build a Windows 2000 target.

* February 3 2009 (Phil Blundell)
- If the server returns garbage or nothing at all in response to an AAAA query,
  go on and ask for A records anyway.

* January 31 2009 (Daniel Stenberg)
- ares_gethostbyname() now accepts 'AF_UNSPEC' as a family for resolving
  either AF_INET6 or AF_INET. It works by accepting any of the looksups in the
  hosts file, and it resolves the AAAA field with a fallback to A.

* January 14 2009 (Daniel Stenberg)
- ares.h no longer uses the HAVE_STRUCT_IN6_ADDR define check, but instead it
  now declares the private struct ares_in6_addr for all systems instead of
  relying on one possibly not present in the system.

* January 13 2009 (Phil Blundell)
- ares__send_query() now varies the retry timeout pseudo-randomly to avoid
  packet storms when several queries were started at the same time.

* January 11 2009 (Daniel Stenberg)
- Phil Blundell added the internal function ares__expand_name_for_response()
  that is now used by the ares_parse_*_reply() functions instead of the
  ares_expand_name() simply to easier return ARES_EBADRESP for the cases where
  the name expansion fails as in responses that really isn't expected.

Version 1.6.0 (Dec 9, 2008)

* December 9 2008 (Gisle Vanem)

  Fixes for Win32 targets using the Watt-32 tcp/ip stack.

* Dec 4 2008 (Daniel Stenberg)

  Gregor Jasny provided the patch that introduces ares_set_socket_callback(),
  and I edited it to also get duped by ares_dup().

* Dec 3 2008 (Daniel Stenberg)

  API changes:

  I made sure the public ares_config struct looks like before and yet it
  supports the ROTATE option thanks to c-ares now storing the "optmask"
  internally. Thus we should be ABI compatible with the past release(s)
  now. My efforts mentioned below should not break backwards ABI compliance.

  Here's how I suggest we proceed with the API:

  ares_init() will be primary "channel creator" function.

  ares_init_options() will continue to work exactly like now and before. For
  starters, it will be the (only) way to set the existing options.

  ares_save_options() will continue to work like today, but will ONLY save
  options that you can set today (including ARES_OPT_ROTATE actually) but new
  options that we add may not be saved with this.

  Instead we introduce:

  ares_dup() that instead can make a new channel and clone the config used
  from an existing channel. It will then clone all config options, including
  future new things we add.

  ares_set_*() style functions that set (new) config options. As a start we
  simply add these for new functionality, but over time we can also introduce
  them for existing "struct ares_options" so that we can eventually deprecate
  the two ares_*_options() functions.

  ares_get_*() style functions for extracting info from a channel handle that
  should be used instead of ares_save_options().

* Nov 26 2008 (Yang Tse)
- Brad Spencer provided changes to allow buildconf to work on OS X.

- Gerald Combs fixed a bug in ares_parse_ptr_reply() which would cause a
  buffer to shrink instead of expand if a reply contained 8 or more records.

* Nov 25 2008 (Yang Tse)
- In preparation for the upcomming IPv6 nameservers patch, the internal
  ares_addr union is now changed into an internal struct which also holds
  the address family.

* Nov 19 2008 (Daniel Stenberg)
- Brad Spencer brought the new function ares_gethostbyname_file() which simply
  resolves a host name from the given file, using the regular hosts syntax.

* Nov 1 2008 (Daniel Stenberg)
- Carlo Contavalli added support for the glibc "rotate" option, as documented
  in man resolv.conf:

  causes round robin selection of nameservers from among those listed.  This
  has the effect of spreading the query load among all listed servers, rather
  than having all clients try the first listed server first every time.

  You can enable it with ARES_OPT_ROTATE

* Oct 21 2008 (Yang Tse)
  Charles Hardin added handling of EINPROGRESS for UDP connects.

* Oct 18 2008 (Daniel Stenberg)
  Charles Hardin made adig support a regular numerical dotted IP address for the
  -s option as well.

* Oct 7 2008 (Yang Tse)
- Added --enable-optimize configure option to enable and disable compiler
  optimizations to allow decoupled setting from --enable-debug.

* Oct 2 2008 (Yang Tse)
- Added --enable-warnings configure option to enable and disable strict
  compiler warnings to allow decoupled setting from --enable-debug.

* Sep 17 2008 (Yang Tse)
- Code reorganization to allow internal/private use of "nameser.h" to any
  system that lacks arpa/nameser.h or arpa/nameser_compat.h header files.

* Sep 16 2008 (Yang Tse)
- Code reorganization to allow internal/private use of ares_writev to any
  system that lacks the writev function.

* Sep 15 2008 (Yang Tse)
- Code reorganization to allow internal/private use of ares_strcasecmp to any
  system that lacks the strcasecmp function.

- Improve configure detection of some string functions.

* Sep 11 2008 (Yang Tse)
- Code reorganization to allow internal/private use of ares_strdup to any
  system that lacks the strdup function.

Version 1.5.3 (Aug 29, 2008)

* Aug 25 2008 (Yang Tse)
- Improvement by Brad House:

  This patch addresses an issue in which a response could be sent back to the
  source port of a client from a different address than the request was made to.

libcares/CHANGES.0  view on Meta::CPAN

  the CNAME.

* Jul 2 2008 (Yang Tse)
- Fallback to gettimeofday when monotonic clock is unavailable at run-time.

* Jun 30 2008 (Daniel Stenberg)

- As was pointed out to me by Andreas Schuldei, the MAXHOSTNAMELEN define is
  not posix or anything and thus c-ares failed to build on hurd (and possibly
  elsewhere). The define was also somewhat artificially used in the windows
  port. Now, I instead rewrote the use of gethostbyname to enlarge the host
  name buffer in case of need and totally avoid the use of the MAXHOSTNAMELEN
  define. I thus also removed the defien from the namser.h file where it was
  once added for the windows build.

  I also fixed init_by_defaults() function to not leak memory in case if
  error.

* Jun 9 2008 (Yang Tse)

- Make libcares.pc generated file for pkg-config include information relative
  to the libraries needed for the static linking of c-ares.

* May 30 2008 (Yang Tse)

- Brad House fixed a missing header file inclusion in adig sample program.

Version 1.5.2 (May 29, 2008)

* May 13 2008 (Daniel Stenberg)

- Introducing millisecond resolution support for the timeout option. See
  ares_init_options()'s ARES_OPT_TIMEOUTMS.

* May 9 2008 (Yang Tse)

- Use monotonic time source if available, for private function ares__tvnow()

* May 7 2008 (Daniel Stenberg)

- Sebastian made c-ares able to return all PTR-records when doing reverse
  lookups. It is not common practice to have multiple PTR-Records for a single
  IP, but its perfectly legal and some sites have those.

- Doug Goldstein provided a configure patch: updates autoconf 2.13 usage to
  autoconf 2.57 usage (which is the version you have specified as the minimum
  version). It's a minor change but it does clean up some warnings with newer
  autoconf (specifically 2.62).

* May 5 2008 (Yang Tse)

- Improved parsing of resolver configuration files.

* April 4 2008 (Daniel Stenberg)

- Eino Tuominen improved the code when a file is used to seed the randomizer.

- Alexey Simak made adig support NAPTR records

- Alexey Simak fixed the VC dsp file by adding the missing source file
  ares_expand_string.c

* December 11 2007 (Gisle Vanem)

- Added another sample application; acountry.c which converts an
  IPv4-address(es) and/or host-name(s) to country-name and country-code.
  This uses the service of the DNSBL at countries.nerd.dk.

* December 3 2007 (Daniel Stenberg)

- Brad Spencer fixed the configure script to assume that there's no
  /dev/urandom when built cross-compiled as then the script cannot check for
  it.

- Erik Kline cleaned up ares_gethostbyaddr.c:next_lookup() somewhat

Version 1.5.1 (Nov 21, 2007)

* November 21 2007 (Daniel Stenberg)

- Robin Cornelius pointed out that ares_llist.h was missing in the release
  archive for 1.5.0

Version 1.5.0 (Nov 21, 2007)

* October 2 2007 (Daniel Stenberg)

- ares_strerror() segfaulted if the input error number was out of the currently
  supported range.

- Yang Tse: Avoid a segfault when generating a DNS "Transaction ID" in
  internal function init_id_key() under low memory conditions.

* September 28 2007 (Daniel Stenberg)

- Bumped version to 1.5.0 for next release and soname bumped to 2 due to ABI
  and API changes in the progress callback (and possibly more coming up from
  Steinar)

* September 28 2007 (Steinar H. Gunderson)

- Don't skip a server if it's the only one. (Bugfix from the Google tree.)

- Made the query callbacks receive the number of timeouts that happened during
  the execution of a query, and updated documentation accordingly. (Patch from
  the Google tree.)

- Support a few more socket options: ARES_OPT_SOCK_SNDBUF and
  ARES_OPT_SOCK_RCVBUF

- Always register for TCP events even if there are no outstanding queries, as
  the other side could always close the connection, which is a valid event
  which should be responded to.

* September 22 2007 (Daniel Stenberg)

- Steinar H. Gunderson fixed: Correctly clear sockets from the fd_set on in
  several functions (write_tcp_data, read_tcp_data, read_udp_packets) so that
  if it fails and the socket is closed the following code doesn't try to use
  the file descriptor.

libcares/CHANGES.0  view on Meta::CPAN

* January 9, 2006

- Alexander Lazic improved the getservbyport_r() configure check.

* January 6, 2006

- Alexander Lazic pointed out that the buildconf should use the ACLOCAL_FLAGS
  variable for easier controlling what it does and how it runs.

* January 5, 2006

- James Bursa fixed c-ares to find the hosts file on RISC OS, and made it
  build with newer gcc versions that no longer defines "riscos".

* December 22

- Daniel Stenberg added ares_getsock() that extracts the set of sockets to
  wait for action on. Similar to ares_fds() but not restricted to using
  select() for the waiting.

* November 25

- Yang Tse fixed some send() / recv() compiler warnings

* September 18

- Added constants that will be used by ares_getaddrinfo

- Made ares_getnameinfo use the reentrant getservbyport (getservbyport_r) if it
  is available to ensure it works properly in a threaded environment.

* September 10

- configure fix for detecting a member in the sockaddr_in6 struct which failed
  on ipv6-enabled HP-UX 11.00

Version 1.3.0 (August 29, 2005)

* August 21

- Alfredo Tupone provided a fix for the Windows code in get_iphlpapi_dns_info()
  when getting the DNS server etc.

* June 19

- Added some checks for the addrinfo structure.

* June 2

- William Ahern:

  Make UDP sockets non-blocking. I've confirmed that at least on Linux 2.4 a
  read event can come back from poll() on a valid SOCK_DGRAM socket but
  recv(2) will still block. This patch doesn't ignore EAGAIN in
  read_udp_packets(), though maybe it should. (This patch was edited by Daniel
  Stenberg and a new configure test was added (imported from curl's configure)
  to properly detect what non-blocking socket approach to use.)

  I'm not quite sure how this was happening, but I've been seeing PTR queries
  which seem to return empty responses. At least, they were empty when calling
  ares_expand_name() on the record. Here's a patch which guarantees to
  NUL-terminate the expanded name. The old behavior failed to NUL-terminate if
  len was 0, and this was causing strlen() to run past the end of the buffer
  after calling ares_expand_name() and getting ARES_SUCCESS as the return
  value. If q is not greater than *s then it's equal and *s is always
  allocated with at least one byte.

* May 16

- Added ares_getnameinfo which mimics the getnameinfo API (another feature
  that could use testing).

* May 14

- Added an inet_ntop function from BIND for systems that do not have it.

* April 9

- Made sortlist support IPv6 (this can probably use some testing).

- Made sortlist support CIDR matching for IPv4.

* April 8

- Added preliminary IPv6 support to ares_gethostbyname. Currently, sortlist
  does not work with IPv6. Also provided an implementation of bitncmp from
  BIND for systems that do not supply this function. This will be used to add
  IPv6 support to sortlist.

- Made ares_gethostbyaddr support IPv6 by specifying AF_INET6 as the family.
  The function can lookup IPv6 addresses both from files (/etc/hosts) and
  DNS lookups.

* April 7

- Tupone Alfredo fixed includes of arpa/nameser_compat.h to build fine on Mac
  OS X.

* April 5

- Dominick Meglio: Provided implementations of inet_net_pton and inet_pton
  from BIND for systems that do not include these functions.

* March 11, 2005

- Dominick Meglio added ares_parse_aaaa_reply.c and did various
  adjustments. The first little steps towards IPv6 support!

* November 7

- Fixed the VC project and makefile to use ares_cancel and ares_version

* October 24

- The released ares_version.h from 1.2.1 says 1.2.0 due to a maketgz flaw.
  This is now fixed.

Version 1.2.1 (October 20, 2004)

* September 29

- Henrik Stoerner fix: got a report that Tru64 Unix (the unix from Digital
  when they made Alpha's) uses /etc/svc.conf for the purpose fixed below for
  other OSes. He made c-ares check for and understand it if present.

libcares/CHANGES.0  view on Meta::CPAN

- Adjusted 'maketgz' to use the new automake magic when building distribution
  archives.

- Anyone desires HTML and/or PDF versions of the man pages in the release
  archives?

* July 3
- Günter Knauf made c-ares build and run on Novell Netware.

* July 1
- Gisle Vanem provided Makefile.dj to build with djgpp, added a few more djgpp
  fixes and made ares not use 'errno' to provide further info on Windows.

* June 30
- Gisle Vanem made it build with djgpp and run fine with the Watt-32 stack.

* June 10
- Gisle Vanem's init patch for Windows:

  The init_by_resolv_conf() function fetches the DNS-server(s)
  from a series of registry branches.

  This can be wrong in the case where DHCP has assigned nameservers, but the
  user has overridden these servers with other prefered settings. Then it's
  wrong to use the DHCPNAMESERVER setting in registry.

  In the case of no global DHCP-assigned or fixed servers, but DNS server(s)
  per adapter, one has to query the adapter branches.  But how can c-ares know
  which adapter is valid for use? AFAICS it can't. There could be one adapter
  that is down (e.g. a VPN adapter).

  So it's better to leave this to the IP Helper API (iphlapi) available in
  Win-98/2000 and later. My patch falls-back to the old way if not available.

* June 8
- James Bursa fixed an init issue for RISC OS.

* May 11
- Nico Stappenbelt reported that when processing domain and search lines in
  the resolv.conf file, the first entry encountered is processed and used as
  the search list. According to the manual pages for both Linux, Solaris and
  Tru64, the last entry of either a domain or a search field is used.

  This is now adjusted in the code

Version 1.2.0 (April 13, 2004)

* April 2, 2004
- Updated various man pages to look nicer when converted to HTML on the web
  site.

* April 1, 2004
- Dirk Manske provided a new function that is now named ares_cancel(). It is
  used to cancel/cleanup a resolve/request made using ares functions on the
  given ares channel. It does not destroy/kill the ares channel itself.

- Dominick Meglio cleaned up the formatting in several man pages.

* March 30, 2004
- Dominick Meglio's new ares_expand_string. A helper function when decoding
  incoming DNS packages.

- Daniel Stenberg modified the Makefile.in to use a for loop for the man page
  installation to improve overview and make it easier to add man pages.

Version 1.1.0 (March 11, 2004)

* March 9, 2004
- Gisle Vanem improved build on Windows.

* February 25, 2004
- Dan Fandrich found a flaw in the Feb 22 fix.

- Added better configure --enable-debug logic (taken from the curl configure
  script). Added acinclude.m4 to the tarball.

* February 23, 2004
- Removed ares_free_errmem(), the function, the file and the man page. It was
  not used and it did nothing.

- Fixed a lot of code that wasn't "64bit clean" and thus caused a lot of
  compiler warnings on picky compilers.

* February 22, 2004
- Dominick Meglio made ares init support multiple name servers in the
  NameServer key on Windows.

* February 16, 2004
- Modified ares_private.h to include libcurl's memory debug header if
  CURLDEBUG is set. This makes all the ares-functions supervised properly by
  the curl test suite. This also forced me to add inclusion of the
  ares_private.h header in a few more files that are using some kind of
  memory-related resources.

- Made the makefile only build ahost and adig if 'make demos' is used.

* February 10, 2004
- Dirk Manske made ares_version.h installed with 'make install'

* February 4, 2004
- ares_free_errmem() is subject for removal, it is simply present for future
  purposes, and since we removed the extra parameter in strerror() it won't
  be used by c-ares!
- configure --enable-debug now enables picky compiler options if gcc is used
- fixed several compiler warnings --enable-debug showed and Joerg Mueller-Tolk
  reported

Version 1.0.0 (February 3, 2004)

* February 3, 2004
- now we produce the libcares.a library instead of the previous libares.a
  since we are no longer compatible

* February 2, 2004

- ares_strerror() has one argument less. This is the first official
  modification of the existing provided ares API.

* January 29, 2004