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30 Commits

Author SHA1 Message Date
Daniel Stenberg
ef19e30985 ares: memory leak fix 
The double name resolve trick used with c-ares could leave allocated
memory in 'temp_ai' if the operation was aborted in the middle.
 2011-01-27 14:41:07 +01:00
Daniel Stenberg
b6a3e2be8e c-ares: fix cancelled resolves 
When built IPv6-enabled, we could do Curl_done() with one of the two
resolves having returned already, so when ares_cancel() is called the
resolve callback ends up doing funny things (sometimes resulting in a
segfault) since it would try to actually store the previous resolve even
though we're shutting down the resolve.

This bug was introduced in commit 8ab137b2bc so it hasn't been
included in any public release.

Bug: http://curl.haxx.se/bug/view.cgi?id=3145445
Reported by: Pedro Larroy
 2010-12-27 10:01:44 +01:00
Tommie Gannert
8ab137b2bc ares: ask for both IPv4 and IPv6 addresses 
Make the c-ares resolver code ask for both IPv4 and IPv6 addresses when
IPv6 is enabled.

This is a workaround for the missing ares_getaddrinfo() and is a lot
easier to implement.

Note that as long as c-ares returns IPv4 addresses when IPv6 addresses
were requested but missing, this will cause a host's IPv4 addresses to
occur twice in the DNS cache.

URL: http://curl.haxx.se/mail/lib-2010-12/0041.html
 2010-12-18 22:33:27 +01:00
Daniel Stenberg
2309b4e330 remove the CVSish $Id$ lines 2010-03-24 11:02:54 +01:00
Yang Tse
bfc4c33985 Constantine Sapuntzakis refactoring of async callbacks, allowing 
removal of Curl_addrinfo_copy(), Curl_addrinfo6_callback(), and
Curl_addrinfo4_callback()
 2010-01-22 06:36:52 +00:00
Yang Tse
3184a91ec8 VMS specific preprocessor symbol checking adjustments 2009-12-30 17:59:56 +00:00
Yang Tse
33a3753c3f libcurl's memory.h renamed to curl_memory.h 2009-04-21 11:46:16 +00:00
Yang Tse
9770899a4b 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.
 2009-04-21 10:26:58 +00:00
Yang Tse
0ce97f77e0 Use our Curl_addrinfo definition even when an addrinfo struct is available. 
Use a wrapper function to call system's getaddrinfo().
 2008-10-30 13:45:25 +00:00
Dan Fandrich
8f467b4288 Removed unneeded includes of signal.h and setjmp.h 2008-09-29 21:44:50 +00:00
Yang Tse
4e909ee8b1 ntoa() and inet_ntoa_r() no longer used 2008-09-24 12:22:16 +00:00
Daniel Stenberg
2c105af910 Adapted the c-ares code to the API change c-ares 1.5.0 brings in the 
notifier callback(s).
 2007-09-28 21:48:28 +00:00
Yang Tse
584f3639e3 update copyright year 2007-04-03 18:25:18 +00:00
Gisle Vanem
c514a2a89a Removed inclusion of <sys/types.h> and <sys/stat.h> in .c-files 
since they're already included through "setup.h".
 2007-02-26 04:24:26 +00:00
Yang Tse
13616f8f96 Simplify check for NEED_MALLOC_H, and make more explicit that NEED_MALLOC_H shall be defined if <malloc.h> header file must be included even when including <stdlib.h>. 2006-07-25 13:49:49 +00:00
Gisle Vanem
4a1a1a75fb Added note for CURLRES_ARES and CURLRES_IPV6. 2006-07-25 10:49:12 +00:00
Yang Tse
fe22872d14 include <malloc.h> only if HAVE_MALLOC_H and NEED_MALLOC_H are both defined. 2006-07-11 21:34:23 +00:00
Daniel Stenberg
e85e30546c Roland Blom filed bug report #1481217 
(http://curl.haxx.se/bug/view.cgi?id=1481217), with follow-ups by Michele Bini
and David Byron. libcurl previously wrongly used GetLastError() on windows to
get error details after socket-related function calls, when it really should
use WSAGetLastError() instead.

When changing to this, the former function Curl_ourerrno() is now instead
called Curl_sockerrno() as it is necessary to only use it to get errno from
socket-related functions as otherwise it won't work as intended on Windows.
 2006-05-04 22:39:47 +00:00
Gisle Vanem
3cbb1b2b64 Use the HAVE_MALLOC_H and HAVE_PROCESS_H defines 
(more logical).
 2006-04-26 17:23:28 +00:00
Daniel Stenberg
5f0366c2cb only define _REENTRANT if not already defined, and only in setup.h 2005-04-19 23:19:23 +00:00
Daniel Stenberg
ab4086bc24 Updated the copyright year since changes have been this year. 2005-03-31 07:02:02 +00:00
Daniel Stenberg
6a2e21ec8c FTP code turned into state machine. Not completely yet, but a good start. 
The tag 'before_ftp_statemachine' was set just before this commit in case
of future need.
 2005-02-09 13:06:40 +00:00
Gisle Vanem
d118312922 Curl_addrinfo?_callback() and addrinfo_callback() now returns 
CURLE_OK or CURLE_OUT_OF_MEMORY.
Add typecast in hostares.c.
 2005-02-08 12:36:13 +00:00
Daniel Stenberg
39af394a1c removed tabs and trailing whitespace from source 2004-10-06 07:50:18 +00:00
Daniel Stenberg
2ee6c33412 set async.done to TRUE last in the addrinfo callback to prevent the risk that 
the multi-threaded resolver does wrong
 2004-10-03 21:32:24 +00:00
Daniel Stenberg
785bad388b Gisle cleaned up remaining host resolve re-org issues 2004-06-24 14:39:52 +00:00
Daniel Stenberg
c39858aac0 Source cleanups. The major one being that we now _always_ use a Curl_addrinfo 
linked list for name resolved data, even on hosts/systems with only IPv4
stacks as this simplifies a lot of code.
 2004-06-24 07:43:48 +00:00
Daniel Stenberg
17eb1fca7c + when storing the address in the cache fails, cleanup the resolved address 
properly
+ delete trailing whitespace
 2004-05-18 07:35:37 +00:00
Daniel Stenberg
bbafb2eb27 curl_global_init_mem() allows the memory functions to be replaced. 
memory.h is included everywhere for this.
 2004-05-11 11:30:23 +00:00
Daniel Stenberg
648e82f05d Major hostip.c cleanup and split into multiple files and easier #ifdef 
usage.
 2004-04-26 07:20:11 +00:00