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Author SHA1 Message Date
Ulrich Drepper c030f70c87 Speed up DNS by avoiding a system call if possible 2012-03-30 07:42:29 -04:00
Jeff Law 86ae07a8c9 [BZ #13760] 
* resolv/nss_dns/dns-host.c (gaih_getanswer): Look for errno
        in the right place. Discard and retry query if response is
        larger than input buffer size.
 2012-03-28 10:09:29 -06:00
Paul Pluzhnikov 3ff4252677 2012-03-23 Daniel Jacobowitz <dmj@google.com> 
Paul Pluzhnikov  <ppluzhnikov@google.com>

	[BZ #6528]
	* grp/Makefile (otherlibs): Don't set it.
	* inet/Makefile (otherlibs): Likewise.
	* login/Makefile (otherlibs): Likewise.
	* nscd/Makefile (otherlibs): Likewise.
	* posix/Makefile (otherlibs): Likewise.
	* pwd/Makefile (otherlibs): Likewise.
	* rt/Makefile (otherlibs): Likewise.
	* sunrpc/Makefile (otherlibs): Likewise.
	* nss/Makefile (otherlibs): Likewise.
	Add libnss_files to routines and static-only-routines.
	($(objpfx)getent): Remove rule.
	* resolv/Makefile: Add libnss_dns and libresolv to routines and
	static-only-routines.
 2012-03-23 09:47:03 -07:00
Thomas Schwinge 82d86f2844 Fix struct timespec normalization (as used in many other places). 2012-03-08 11:49:43 +01:00
Ulrich Drepper a4300c7a4d Remove distribute variable from Makefiles 2012-03-07 05:17:13 -05:00
Jeff Law 8fdceb2efd [network] Avoid out ouf bounds read in __libc_res_nquerydomain 
2012-02-28  Jeff Law  <law@redhat.com>

	* resolv/res_query.c (__libc_res_nquerydomain): Avoid
	out of bounds read.
 2012-02-29 11:51:27 -05:00
Paul Eggert 59ba27a63a Replace FSF snail mail address with URLs. 2012-02-09 23:18:22 +00:00
Ulrich Drepper a784e50247 Remove pre-ISO C support 
No more __const.
 2012-01-07 23:57:22 -05:00
Ulrich Drepper 0269750ca6 Remove non-ELF support 2012-01-07 20:30:26 -05:00
Ross Lagerwall ad8ac1bd6a Open /etc/resolv.conf with FD_CLOEXEC 2011-12-17 14:43:40 -05:00
Ulrich Drepper 312be3f9f5 Clean up internal fopen uses 
No need to ever not use c and e.
 2011-11-15 04:24:42 -05:00
Ulrich Drepper 9694fc4479 Avoid unused warning in getaddrinfo_a 2011-11-12 02:30:01 -05:00
Joseph Myers e057a1b593 Link libresolv.so with ld.so for __stack_chk_guard. 2011-09-21 13:27:50 -07:00
Ulrich Drepper d063d16433 Remove support for !USE___THREAD 2011-09-10 16:50:28 -04:00
Ulrich Drepper 3ce1f29594 Cleanup of configuration options 
Make several tool features mandatory and simplify the code.
 2011-09-10 14:34:15 -04:00
Ulrich Drepper 44f0a71e58 Add rules to build libresolv with SSP flags 2011-08-17 21:36:23 -04:00
Andreas Schwab 9be9bfcc9d Properly tokenize nameserver line for servers with IPv6 address 2011-08-04 15:50:48 -04:00
Andreas Schwab 28b59fca7a Use size_t for strlen results 2011-07-20 11:40:37 -04:00
Andreas Jaeger c75fa153a9 Fix warnings in resolver code 2011-07-06 22:29:45 -04:00
Ulrich Drepper 57912a71cc Fix typo in recent resolver change which causes segvs 2011-06-15 22:43:58 -04:00
Roland McGrath 5615eaf264 Quash some new warnings from GCC 4.6. 2011-06-10 22:44:20 -07:00
Ulrich Drepper 4769ae77fc Handle DNS server failures in case of AF_UNSPEC lookups correctly 2011-05-30 22:48:47 -04:00
Ulrich Drepper 652ffab113 Make resolv.conf parsing more compact 2011-05-29 22:07:49 -04:00
Ulrich Drepper 16985fd0c7 Recognize use-vc option in resolv.conf 2011-05-29 21:43:33 -04:00
Ulrich Drepper f87dfb1f11 Backport BIND code to query name as TLD. 2011-05-07 13:05:19 -04:00
Andreas Schwab 597df64714 Install rpc/netdb.h again 2011-05-06 07:46:42 -04:00
Andreas Schwab 4e34d5f589 Don't use removed rpc headers 2011-05-05 07:36:40 -04:00
Bruno Haible e4ecafe004 Fix getnameinfo flags parameter type. 2011-05-01 21:36:43 -04:00
Andreas Schwab a769081960 Don't ignore zero TTL in DNS answers 2010-11-25 20:50:16 -05:00
Ulrich Drepper e66e7419a6 Actually make it possible to user the default name server. 2010-09-14 00:01:42 -07:00
Ulrich Drepper df24a73ecd Missing server address again leads to localhost being used 2010-08-25 07:43:53 -07:00
Ulrich Drepper ea42a20cae Fix crash on reloading of gai data in nscd. 2010-04-09 21:38:20 -07:00
Ulrich Drepper 4535680d03 Handle DNS timeouts in old-style lookkup code. 2010-04-05 12:21:20 -07:00
Ulrich Drepper 2cd9670885 Declare iruserok and iruserok_af. 2010-04-04 22:01:52 -07:00
Andreas Schwab 94308fd0e0 Fix debug statements in resolver 2010-03-17 06:57:38 -07:00
Yann Droneaud a092b645f8 Fix DEBUG statements in resolv/res_send.c 2010-03-05 16:52:31 -08:00
Ulrich Drepper ace4e23f8c Always use IPv4 sockets for IPv4 addresses. 2010-01-14 22:34:28 -08:00
Ulrich Drepper 52e2ea9a83 Relax visibility of some more declaration. 2010-01-14 13:22:06 -08:00
Ulrich Drepper 63ee841069 Relax condition for resolver constant definition. 2010-01-14 10:05:36 -08:00
Ulrich Drepper 505cf2c00a Fix up netdb.h for XPG7. 2010-01-12 16:43:00 -08:00
Andreas Schwab 51e4196f16 Handle running out of buffer space with IPv6 mapping enabled. 
With big DNS answers like the one you get for goodtimesdot.com you can
get a truncated address list if IPv6 mapping is enabled.  Instead tell
the caller to resize the buffer.
 2009-11-10 07:36:50 -08:00
Ulrich Drepper 75ded9bcdf Initialize local variable in resolver. 
When the DNS server doesn't reply at all we possibly tested
an unitialized variable.
 2009-10-29 23:01:58 -07:00
Petar Bogdanovic 3a85895fa3 Fix mixing IPv4 and IPv6 name server in resolv.conf. 2009-10-29 08:17:48 -07:00
Adam Tkac 2d0671cbbd Define and implement RES_USE_DNSSEC option in resolver. 2009-07-27 07:33:48 -07:00
Ulrich Drepper e28b969b49 Handle SERVFAIL, NOTIMP, REFUSED replies from DNS server better. 
When doing IPv4+6 lookups we have to pass up the error record from
send_dg.
 2009-07-26 12:16:24 -07:00
Ulrich Drepper 1c0ab5bd34 Handle overly large answer buffers in resolver. 
In EDNS0 records the maximum result size is transmitted in a 16
bit value.  Large buffer sizes were handled incorrectly by using
only the low 16 bits.  Fix this by limiting the size to 0xffff.
 2009-07-16 23:37:50 -07:00
Ulrich Drepper 44d20bca52 Implement second fallback mode for DNS requests. 
There is some more shardware/software out there which has problems
if two DNS requests are sent using the same tuple

  (source addr, source port, dest addr, dest port)

This can range from firewalls to load balancers.  Some of the vendors
already fixed it in response to this problem.  Still, we need a way
to make glibc work with broken environments.  The single-request-reopen
flag can be used or we fall back automatically to this mode.
 2009-06-26 03:47:47 -07:00
Ulrich Drepper 310647e980 Remember we switched to single-request mode. 
This change prevents repetition in most later calls of the resolver
in case the DNS server or the network connection is broken.
 2009-06-11 10:07:33 -07:00
Andreas Schwab ff6ff38db2 Remove redundant .gitignore files. 2009-05-16 10:18:34 +02:00
Jim Meyering 2e180a2622 rename each .cvsignore file to .gitignore 2009-05-15 18:13:37 +02:00