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Setup a RPC management call on the internal DNS server triggered a new LDB
module which sniffs dnsZone object add, delete and modify operations. This
way the notification is triggered when zones are modified either from RPC or
replicated by inbound DRS.
Signed-off-by: Samuel Cabrero <samuelcabrero@kernevil.me>
(shadowed variable error corrected by abartlet)
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed Nov 26 12:11:18 CET 2014 on sn-devel-104
BIND 9.10.x is strict when sending records via putrr and putnamedrr.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10620
Thanks to Guenter Kukkukk for identifying the problem and resolution.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Guenter Kukkukk <kukks@samba.org>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Fri Nov 21 06:14:55 CET 2014 on sn-devel-104
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10749
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Aug 27 15:21:19 CEST 2014 on sn-devel-104
We don't have to keep everything arround while walking the whole zone.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10749
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10749
Pair-Programmed-With: Michael Adam <obnox@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10749
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The result is the same, but it is clearer.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10749
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10749
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
All callers are find we the record array gets modified.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10749
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10749
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This will contain common code for the internal dns server, the dlz_bind9 module
and the rpc dns management server.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10749
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This is the correct fix for commit 8b24c43b38
and Bug: https://bugzilla.samba.org/show_bug.cgi?id=9559
With this change we have a consistent behavior between internal server
and the bind dlz module. We keep a dangling LDAP object without
dnsRecord attribute arround forever. This will be fixed in the following
commits.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10749
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10749
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Allow us to start if we bind to *either* :: or 0.0.0.0.
Allows us to cope with systems configured as only IPv4
or only IPv6.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-By: Amitay Isaacs <amitay@gmail.com>
Reviewed-By: Alexander Bokovoy <ab@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Jun 7 01:01:44 CEST 2014 on sn-devel-104
Change-Id: I0a12c048fd4e667b9aa0777f99c8f8306fc090ea
Signed-off-by: Arvid Requate <requate@univention.de>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Kai Blin <kai@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Mon May 26 05:55:46 CEST 2014 on sn-devel-104
b9_record_match needs to consider all allowed representations of IPv6
addresses (RFC 2373), otherwise DNS subtractrdataset operations fail
due to differences in zero padding between bind9 frontend and ndr_pull
of a dnsp_DnssrvRpcRecord structure.
Change-Id: Ic0a1b16008458993dc644646d7f4ae3d3a3c5fed
Signed-off-by: Arvid Requate <requate@univention.de>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Kai Blin <kai@samba.org>
Reviewed-by: Guenter Kukkukk <kukks@samba.org>
Due to insufficient input checking, the DNS server will reply to a packet that
has the "reply" bit set. Over UDP, this allows to send a packet with a spoofed
sender address and have two servers DOS each other with circular replies.
This patch fixes bug #10609 and adds a test to make sure we don't regress.
CVE-2014-2039 has been assigned to this issue.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10609
Signed-off-by: Kai Blin <kai@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Kai Blin <kai@samba.org>
Autobuild-Date(master): Tue May 20 04:15:44 CEST 2014 on sn-devel-104
The event context here was only specified in the server or admin-tool
context, which does not do network communication, so this only caused
a talloc_reference() and never any useful result.
The actual network communication code sets an event context directly
before making the network call.
Andrew Bartlett
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Mon Apr 28 02:24:57 CEST 2014 on sn-devel-104
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10464
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Change-Id: Ib317d71dea01fc8ef6b6a26455f15a8a175d59f6
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Mar 7 02:18:17 CET 2014 on sn-devel-104
DNS queries for records with the wrong type need to trigger an empty
response with RCODE_OK instead of returning NXDOMAIN.
This adds a test and fixes bug #10471
Signed-off-by: Kai Blin <kai@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
BIND DLZ module currently loads DNS zones from DNS partitions and domain
partitions using following prefixes:
CN=MicrosoftDNS,DC=DomainDnsZones
CN=MicrosoftDNS,DC=ForestDNSZones
CN=MicrosoftDNS,CN=System
Windows supports DNS zones duplicated in DNS partitions and domain
partition and updates both of them simultaneously.
BIND DLZ module can handle DNS zones stored either in DNS partitions
or domain partition, but not both. This patch ignores duplicate zones
from domain partition and allows BIND9 to work with AD with duplicate
DNS zones.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Kai Blin <kai@samba.org>
A lot of the todo items have been resolved, avoid confusing people.
Signed-off-by: Kai Blin <kai@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Mon Jul 29 09:12:17 CEST 2013 on sn-devel-104
If an update leaves the dnsNode without any entries, the dnsNode object
should be deleted. Thanks to Günter Kukkukk for his excellent debugging
work on this one.
This should fix bug #9559
Signed-off-by: Kai Blin <kai@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Kai Blin <kai@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Kai Blin <kai@samba.org>
Autobuild-Date(master): Sat May 18 12:48:15 CEST 2013 on sn-devel-104
Due to an oversight, the internal DNS server supports MX record updates,
but not MX record queries. Add support for MX queries and tests.
This should fix bug #9485
Signed-off-by: Kai Blin <kai@samba.org>
Reviewed-By: Amitay Isaacs <amitay@gmail.com>
We saw this issue in a customer environment with many CNF objects. I
wasn't able to reproduce it, but I got the following core dump:
(gdb) directory samba4-4.0.0~rc6/source4/dns_server/
Source directories searched: /root/samba4-4.0.0~rc6/source4/dns_server:$cdir:$cwd
(gdb) bt
#0 0xb4b0bc13 in dlz_lookup_types (state=0x9648e48, zone=0xb659b9a8 "xxxxxx.xxxxx.de", name=0xb659bda8 "client9173", lookup=0xb6db7588, types=0x0) at ../source4/dns_server/dlz_bind9.c:830
#1 0xb4b0bdb8 in dlz_lookup (zone=0xb659b9a8 "xxxxxx.xxxxx.de", name=0xb659bda8 "client9173", dbdata=0x9648e48, lookup=0xb6db7588) at ../source4/dns_server/dlz_bind9.c:875
#2 0x080b43d8 in dlopen_dlz_lookup ()
#3 0xb7701755 in findnode () from /usr/lib/libdns.so.81
#4 0xb7701d22 in find () from /usr/lib/libdns.so.81
#5 0xb7639e5f in dns_db_find () from /usr/lib/libdns.so.81
#6 0x08075476 in query_find ()
#7 0x0807acb9 in ns_query_start ()
#8 0x08060712 in client_request ()
#9 0xb743022b in run () from /usr/lib/libisc.so.81
#10 0xb7216955 in start_thread () from /lib/i686/cmov/libpthread.so.0
#11 0xb706c1de in clone () from /lib/i686/cmov/libc.so.6
(gdb) f 0
#0 0xb4b0bc13 in dlz_lookup_types (state=0x9648e48, zone=0xb659b9a8 "xxxxxx.xxxxx.de", name=0xb659bda8 "client9173", lookup=0xb6db7588, types=0x0) at ../source4/dns_server/dlz_bind9.c:830
830 el = ldb_msg_find_element(res->msgs[0], "dnsRecord");
(gdb) p res->msgs
$1 = (struct ldb_message **) 0x0
(gdb) p res->count
$2 = 0
(gdb)
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Also, fixes few comments.
Thanks to Bruno Rohée <bruno@rohee.org> for reporting and patch fix.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-By: Kai Blin <kai@samba.org>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Sun Nov 4 16:58:13 CET 2012 on sn-devel-104
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Oct 24 10:12:51 CEST 2012 on sn-devel-104
Acked-By: Kai Blin <kai@samba.org>
Autobuild-User(master): Kai Blin <kai@samba.org>
Autobuild-Date(master): Sat Oct 13 12:37:53 CEST 2012 on sn-devel-104
