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207 Commits

Author SHA1 Message Date
Mark Andrews
af669cb4fd 4074. [cleanup] Cleaned up more warnings from gcc -Wshadow. [RT #38708] 2015-02-27 10:55:55 +11:00
Evan Hunt
2616cb6944 [master] fix PRNG selection in dispatch.c 
4058.	[bug]		UDP dispatches could use the wrong psuedorandom
			number generator context. [RT #38578]
 2015-02-10 13:54:48 -08:00
Francis Dupont
1059bc2e42 added mdig tool 2015-02-04 14:22:32 +01:00
Tinderbox User
39f68d7b64 update copyright notice / whitespace 2015-01-21 23:45:24 +00:00
Evan Hunt
ff62d4458a [master] allow shared TCP sockets when connecting 
4041.	[func]		TCP sockets can now be shared while connecting.
			(This will be used to enable client-side support
			of pipelined queries.) [RT #38231]
 2015-01-20 17:22:31 -08:00
Evan Hunt
761d135ed6 [master] add TCP pipelining support 
4040.	[func]		Added server-side support for pipelined TCP
			queries. TCP connections are no longer closed after
			the first query received from a client. (The new
			"keep-response-order" option allows clients to be
			specified for which the old behavior will still be
			used.) [RT #37821]
 2015-01-20 16:14:09 -08:00
Tinderbox User
be484acb22 update copyright notice 2014-09-30 23:45:22 +00:00
Mark Andrews
ffeaac1d82 3961. [bug] Forwarding of SIG(0) signed UPDATE messages failed with 
BADSIG.  [RT #37216]
 2014-10-01 07:24:16 +10:00
Tinderbox User
948c80ffa8 update copyright notice 2014-09-04 23:45:24 +00:00
Mark Andrews
74717eef53 3939. [func] Improve UPDATE forwarding performance by allowing TCP 
connections to be shared. [RT #37039]
 2014-09-04 10:37:45 +10:00
Mark Andrews
493f3eb297 3913. [bug] Address race issue in dispatch. [RT #36731] 2014-08-06 18:49:53 +10:00
Mukund Sivaraman
84dc4b3e7e [35942] Update random number generator to ChaCha based (and add tests) 
Squashed commit of the following:

commit 219a904fea95c74016229b6f4436d4f09de1bfd0
Author: Evan Hunt <each@isc.org>
Date:   Mon Jun 2 12:20:54 2014 -0700

    [rt35942] style

commit 90bc77185e9798af4595989abb8698efef8c70d7
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon Jun 2 18:01:30 2014 +0530

    Return p-value=0 when prerequisite (monobit) fails

commit 5594669728f1181a447616f60b835e4a043d1b21
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon Jun 2 17:44:25 2014 +0530

    Print proportion of test sequences passing too

commit 9e94b67a4114651224a8285f7c4a7fb03907f376
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon Jun 2 17:34:03 2014 +0530

    Check uniform distribution of p-values

commit acf911b32dd84ac1c30c57d8937cfeb6b3ff972f
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon Jun 2 17:17:39 2014 +0530

    Check proportion of sequences passing a test

commit 7289eb441fc4ec623364ad882e22b240ba8da308
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon Jun 2 04:33:37 2014 +0530

    Refactor common setup code into random_test()

    No behavioral change is made.

commit 51feef3e08c233d34a6b8b9d25a72d43110b4eed
Author: Mukund Sivaraman <muks@isc.org>
Date:   Sun Jun 1 17:31:57 2014 +0530

    Fix binary rank computation

commit 0ea3c03dea353f309d13c38e26aa0abbffdcff2b
Author: Mukund Sivaraman <muks@isc.org>
Date:   Tue May 27 06:01:10 2014 +0530

    Add binary matrix rank RNG test

commit eb4e7c53540ac97436d94714d30084907eeff01a
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon May 26 15:45:31 2014 +0530

    Add function to find rank of a binary matrix

commit 1292a06e0e09ebd37d4ecf5337814951dcacc4a4
Author: Evan Hunt <each@isc.org>
Date:   Thu May 29 16:21:51 2014 -0700

    [rt35942] style; check whether we need libm for exp()

commit c19788e5a89235e937a5aedf2ebea50f33406609
Author: Evan Hunt <each@isc.org>
Date:   Thu May 29 15:31:19 2014 -0700

    [rt35942] incidental spelling error fixed

commit c833326ad0df21e2a8b35958e85ccc0a692e38be
Author: Mukund Sivaraman <muks@isc.org>
Date:   Thu May 29 11:34:37 2014 +0530

    Revert "Add function to find rank of a binary matrix"

    This reverts commit 21b2f230e17f7fc638f81d9a34bcb148b0c4a6fb.

    This test will be added in RT#36125.

commit cf786a533d34fdcd9e1c5650356e56d33e93a29f
Author: Mukund Sivaraman <muks@isc.org>
Date:   Thu May 29 11:33:18 2014 +0530

    Revert "Add binary matrix rank RNG test"

    This reverts commit dd843b9ca84fa9af80ec39631152f82778f0b97c.

    This test will be added in RT#36125.

commit dd843b9ca84fa9af80ec39631152f82778f0b97c
Author: Mukund Sivaraman <muks@isc.org>
Date:   Tue May 27 06:01:10 2014 +0530

    Add binary matrix rank RNG test

commit 21b2f230e17f7fc638f81d9a34bcb148b0c4a6fb
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon May 26 15:45:31 2014 +0530

    Add function to find rank of a binary matrix

commit 313c30088d6ba933bde3abb920f2a6d16b9b77e1
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon May 26 13:38:44 2014 +0530

    Add block frequency random test

commit 0d279c60ed3eabe52cf3e1435bf14ec62752536f
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon May 26 13:04:03 2014 +0530

    Add preconditions from NIST spec

commit 7a6c5f2ce5078814d5cf0fea30596e58171174c1
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon May 26 12:51:03 2014 +0530

    Add functions to use in RNG tests

commit 8c5cb5594f904f6669cdffaa364f799b4a2c6b58
Author: Mukund Sivaraman <muks@isc.org>
Date:   Thu May 22 00:26:10 2014 +0530

    Add runs RNG test

commit 4882f078cc2596c0911066ffb783e4dd145a63ec
Author: Mukund Sivaraman <muks@isc.org>
Date:   Wed May 21 23:58:20 2014 +0530

    Pre-compute bitcounts LUT

commit 896db3809fba2d9884a4a3a2fa847a73e007ad7f
Author: Mukund Sivaraman <muks@isc.org>
Date:   Wed May 21 23:30:23 2014 +0530

    Fix the bit value being checked (this shouldn't affect the test)

commit b932cbb5dae39eb819db29cf9490fb51d59b7c56
Author: Mukund Sivaraman <muks@isc.org>
Date:   Wed May 21 19:35:12 2014 +0530

    Add monobits RNG test

commit 7bef19fd8b095aa567a975ef5c97d5812162d92e
Author: Mukund Sivaraman <muks@isc.org>
Date:   Wed May 21 16:53:02 2014 +0530

    Add API documentation

commit 54483f7feb64b5646dd1da45b1fd396e7d04b926
Author: Mukund Sivaraman <muks@isc.org>
Date:   Wed May 21 16:39:03 2014 +0530

    Rename isc_rngctx_t to isc_rng_t

commit 7c5031b53555137a82c6b6218cd4dd5e95acf94d
Author: Evan Hunt <each@isc.org>
Date:   Tue May 20 23:29:53 2014 -0700

    [rt35942] use attach/detach with isc_rngctx_t

commit 8aabae5e09888e6af651ed27bd6b4e9f76334d55
Author: Mukund Sivaraman <muks@isc.org>
Date:   Tue May 20 18:32:42 2014 +0530

    Move RNG from dispatch.c to libisc

commit e6d4ad4f389998b91d46e95e258cf420cb21d977
Author: Mukund Sivaraman <muks@isc.org>
Date:   Mon May 12 19:16:27 2014 +0530

    Replace old arc4random with new ChaCha implementation from OpenBSD
 2014-06-04 13:44:10 +05:30
Evan Hunt
38c3ed154a [master] fix race 
3804.   [bug]           Corrected a race condition in dispatch.c in which
                        portentry could be reset leading to an assertion
                        failure in socket_search(). (Change #3708
                        addressed the same issue but was incomplete.)
                        [RT #35128]
 2014-04-07 13:54:08 -07:00
Mark Andrews
702958d202 3708. [bug] Address a portentry locking issue in dispatch.c. 
[RT #35128]
 2014-01-15 15:55:35 +11:00
Tinderbox User
431a83fb29 update copyright notice 2014-01-09 23:46:35 +00:00
Mark Andrews
109f477ed7 silence compiler warning 2014-01-09 15:57:59 +11:00
Evan Hunt
e851ea8260 [master] replace memcpy() with memmove(). 
3698.	[cleanup]	Replaced all uses of memcpy() with memmove().
			[RT #35120]
 2014-01-08 16:39:05 -08:00
Evan Hunt
2b258a1f5b [master] dispatch.c race 
3695.	[bug]		Address a possible race in dispatch.c. [RT #35107]
 2013-12-23 09:50:18 -08:00
Evan Hunt
0606c47750 [master] correct dispatch address/port check 
3690.	[bug]		Iterative responses could be missed when the source
			port for an upstream query was the same as the
			listener port (53). [RT #34925]
 2013-12-12 22:39:12 -08:00
Evan Hunt
b99bfa184b [master] unify internal and export libraries 
3550.	[func]		Unified the internal and export versions of the
			BIND libraries, allowing external clients to use
			the same libraries as BIND. [RT #33131]
 2013-04-10 13:49:57 -07:00
Evan Hunt
67adc03ef8 [master] add DSCP support 
3535.	[func]		Add support for setting Differentiated Services Code
			Point (DSCP) values in named.  Most configuration
			options which take a "port" option (e.g.,
			listen-on, forwarders, also-notify, masters,
			notify-source, etc) can now also take a "dscp"
			option specifying a code point for use with
			outgoing traffic, if supported by the underlying
			OS. [RT #27596]
 2013-03-22 14:05:33 -07:00
Tinderbox User
dc3d68d6fe update copyright notice 2013-01-11 23:46:02 +00:00
Mark Andrews
99394e9807 3465. [bug] Handle isolated reserved ports. [RT #31778] 2013-01-11 14:10:07 +11:00
Mark Andrews
4151109b94 silence clang --analyze warnings 2012-11-30 18:50:38 +11:00
Evan Hunt
47c5b8af92 [master] silence coverity warnings 
3401.	[bug]		Addressed Coverity warnings. [RT #31484]
 2012-10-23 22:04:06 -07:00
Evan Hunt
41bbb34bc2 fix coverity issues 
3388.	[bug]		Fixed several Coverity warnings. [RT #30996]
 2012-10-02 23:44:03 -07:00
Evan Hunt
da35568c71 use correct port range 
3382.	[bug]		SOA query from slave used use-v6-udp-ports range,
			if set, regardless of the address family in use.
			[RT #24173]
 2012-09-26 13:55:18 -07:00
Evan Hunt
dd2a0a6d2d Merge statistics code (ATT SoW, rt24117) 
This includes the following changes:

3326.	[func]		Added task list statistics: task model, worker
			threads, quantum, tasks running, tasks ready.
			[RT #27678]

3325.	[func]		Report cache statistics: memory use, number of
			nodes, number of hash buckets, hit and miss counts.
			[RT #27056]

3324.	[test]		Add better tests for ADB stats [RT #27057]

3323.	[func]		Report the number of buckets the resolver is using.
			[RT #27020]

3322.	[func]		Monitor the number of active TCP and UDP dispatches.
			[RT #27055]

3321.	[func]		Monitor the number of recursive fetches and the
			number of open sockets, and report these values in
			the statistics channel. [RT #27054]

3320.	[func]		Added support for monitoring of recursing client
			count. [RT #27009]

3319.	[func]		Added support for monitoring of ADB entry count and
			hash size. [RT #27057]
 2012-05-14 10:06:05 -07:00
Evan Hunt
970aa7d783 missing braces; style glitch 2012-05-03 14:01:32 -07:00
Tinderbox User
ee980d3fc4 update copyright notice 2012-04-28 23:45:42 +00:00
Evan Hunt
54489ba167 Improve locking performance in dispatch.c 
3316.	[tuning]	Improved locking performance when recursing.
			[RT #28836]

   - Use one lock per memory pool instead of associating
     them all with a single 'pool_lock' in the dispatch manager.
   - Reduce the critical sections for qid->lock in get_dispsocket(),
     deref_portentry() and dns_dispatch_addresponse2().
   - Added a memory pool for socket events in dns_dispatch_t.
   - Add an isc_socketevent_t member in the resquery_t object, and use
     it with isc_socket_sendto2() instead of using isc_socket_sendto()
   - Tuned the memory pools in dispatch.c for better performance
     under load
 2012-04-28 14:52:28 -07:00
Evan Hunt
4e8fe357a6 create and use multiple fetch dispatches 
Added API to create a set of UDP dispatches which can be shared
round-robin style when making upstream queries for authoritative
data; this should reduce lock contention in the query source
dispatch.
 2012-04-27 16:11:30 -07:00
Mark Andrews
23daf8948b 3225. [bug] Silence spurious "setsockopt(517, IPV6_V6ONLY) failed" 
messages. [RT #26507]
 2011-11-29 01:03:47 +00:00
Automatic Updater
2f17ad4545 update copyright notice 2011-07-28 23:47:59 +00:00
Evan Hunt
f07b2fccaf 3137. [func] Improve hardware scalability by allowing multiple 
worker threads to process incoming UDP packets.
			This can significantly increase query throughput
			on some systems.  [RT #22992]
 2011-07-28 04:04:37 +00:00
Mark Andrews
9cf04a12ec 3095. [bug] Handle isolated reserved ports in the port range. 
[RT #23957]
 2011-04-06 10:27:16 +00:00
Mark Andrews
0874abad14 3069. [cleanup] Silence warnings messages from clang static analysis. 
[RT #20256]
 2011-03-11 06:11:27 +00:00
Automatic Updater
784a904bd0 update copyright notice 2011-02-03 12:18:12 +00:00
Mark Andrews
000a8970f8 3011. [func] Change the default query timeout from 30 seconds 
to 10.  Allow setting this in named.conf using the new
                        'resolver-query-timeout' option, which specifies a max
                        time in seconds.  0 means 'default' and anything longer
                        than 30 will be silently set to 30. [RT #22852]
 2011-02-03 05:41:55 +00:00
Mark Andrews
2a0d4c4d6b 2797. [bug] Don't decrement the dispatch manager's maxbuffers. 
[RT #20613]
 2009-12-02 23:15:14 +00:00
Automatic Updater
2b2fc9b4df update copyright notice 2009-11-25 23:49:22 +00:00
Mark Andrews
536e36ac8d declarations before statements 2009-11-25 13:17:59 +00:00
Evan Hunt
cfc22e53a8 2789. [bug] Fixed an INSIST in dispatch.c [RT #20576] 2009-11-25 05:55:32 +00:00
Tatuya JINMEI 神明達哉
307d208450 2660. [func] Add a new set of DNS libraries for non-BIND9 
applications.  See README.libdns. [RT #19369]
 2009-09-01 00:22:28 +00:00
Tatuya JINMEI 神明達哉
089f456eb3 2588. [bug] SO_REUSEADDR could be set unconditionally after failure 
of bind(2) call.  This should be rare and mostly
			harmless, but may cause interference with other
			processes that happen to use the same port. [RT #19642]
 2009-04-28 21:39:00 +00:00
Mark Andrews
870a748bae isc_statscounter_t 2009-01-31 00:37:04 +00:00
Mark Andrews
f19e6ef1eb 2541. [bug] Conditionally update dispatch manager statistics. 
[RT #19247]
 2009-01-31 00:10:24 +00:00
Tatuya JINMEI 神明達哉
d9059b0c38 2537. [func] Added more statistics counters including those on socket 
I/O events and query RTT histograms.  [RT #18802]
 2009-01-27 22:30:00 +00:00
Automatic Updater
d362465c77 update copyright notice 2009-01-17 23:47:43 +00:00
Francis Dupont
584848087f spelling 2009-01-17 14:18:27 +00:00