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"zone.com." and "zone.com" should be treated as the same zone. This patch
picks the unqualified representation as standard and enforces it, in order to
match BIND9 behaviour.
Note: This fixes the failing test added previously, but that test still fails
on the rodc test target so we modify the expected failure but don't remove it.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13442
Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
dnsserver_common.c and dnsutils.c both share similar code to process
zone properties. This patch extracts the common code and moves it to
dnsserver_common.c.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13669
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Fixes for
Bug 13669 - (CVE-2018-16852) NULL
pointer de-reference in Samba AD DC DNS management
The presence of the ZONE_MASTER_SERVERS property or the
ZONE_SCAVENGING_SERVERS property in a zone record causes the server to
follow a null pointer and terminate.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13669
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Stops the user from adding a self-referencing CNAME over RPC, which is an easy
mistake to make with samba-tool.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13600
Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
By using the new ldb_dn_add_child_val() we ensure that the user-controlled values are
not parsed as DN seperators.
Additionally, the casefold DN is obtained before the search to trigger
a full parse of the DN before being handled to the LDB search.
This is not normally required but is done here due to the nature
of the untrusted input.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13466
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
DNS record scavenging function with testing. The logic of the custom match rule
in previous commit is inverted so that calculations using zone properties can
be taken out of the function's inner loop. Periodic task to come.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=10812
Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Code for retrieving aging properties from a zone and using them for timestamp
setting logic during processing of DNS requests.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=10812
Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This function is duplicated in the BIND9 and RPC DNS servers.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=10812
Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This allows a user to set zone properties relevant to DNS record aging over RPC.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=10812
Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reading zone properties from LDB on server connection initialisation, instead
of them being volatile fields.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=10812
Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
If we had this check in when the wildcard DNS tests were written, we would have
noticed that the name needed to be escaped (see previous commit).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12994
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
This has been the cause of a large number of flakey autobuilds. Every
now and again dns_name_equal would not be equal between two empty
strings, thus causing failures.
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12813
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Thu Jun 1 19:34:38 CEST 2017 on sn-devel-144
This may also prevent deletion of existing corrupted records through
DNS, but should be resolvable through RPC, or at worst LDAP.
Signed-off-by: Bob Campbell <bobcampbell@catalyst.net.nz>
Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This matches windows and prevents man in the middle downgrade attacks.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11616
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
In the initial implementation only IPv4 addresses were supported.
Add IPv6 (and mixed IPv4/IPv6) support and all further needed conversion
routines to support w2k, dotnet, longhorn clients.
Signed-off-by: Guenter Kukkukk <linux@kukkukk.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Wed Nov 26 03:44:07 CET 2014 on sn-devel-104
This fixes issue #9791, where the MMC shows random data
listing the zone contents.
Signed-off-by: Samuel Cabrero <samuelcabrero@kernevil.me>
Reviewed-by: Kamen Mazdrashki <kamenim@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
NS records should be included in the query for sub-domains. NS records
got dropped when the rank for NS records was correctly set to NS_GLUE
from ZONE in commit 2036cbd9249c84d9b46370f0e8cd6a0264c737ba.
samba-tool dns query 172.31.9.161 s4xdom.base @ ALL
=>
Name=glue, Records=0, Children=0
samba-tool dns query 172.31.9.161 s4xdom.base glue ALL
=>
Name=, Records=1, Children=0
NS: glue.dns.private. (flags=40000082, serial=21, ttl=900)
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10751
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Thu Sep 4 14:37:51 CEST 2014 on sn-devel-104
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10751
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Thu Aug 21 11:36:55 CEST 2014 on sn-devel-104
Windows allow both . and @ to be specified with modifying @ record.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10742
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
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): Sat Nov 30 06:15:52 CET 2013 on sn-devel-104
noticed this when using samba-tool to create a new zone
Signed-off-by: Guenter Kukkukk <kukks@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Thu May 30 09:41:20 CEST 2013 on sn-devel-104
This makes sure that when updating SOA record, the serial is set to the value
sent by client. For all other records, serial is incremented.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Remove the remaining check for return value after strcmp() was changed to
dns_name_equal().
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
I missed this one, also a wrong compare of MX vs. SRV record
Signed-off-by: Guenter Kukkukk <kukks@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Sun Apr 14 22:43:07 CEST 2013 on sn-devel-104
Only matching UNION-members should be compared. MX vs. SRV record
Signed-off-by: Guenter Kukkukk <kukks@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Sun Apr 14 08:46:07 CEST 2013 on sn-devel-104
..TrustAnchors zone is not interpreted by RPC dnsserver code.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Tue Oct 9 03:21:07 CEST 2012 on sn-devel-104
- ZoneCreate operation to create zone.
- DeleteZoneFromDs operation to delete zone
When a zone is deleted, all the records in that zone are also deleted.
