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We had customer problems where level 10 logs were not good enough in
order to find the reason for failing dns updates.
With the new debug message there's at least a chance to
find out what the problem could be.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
The WERROR codes are much more verbose and it's better to
keep them until we really need the mapping to DNS error codes.
This will allow us to create much better debug messages in
the next commit.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Some log levels change because the macros don't cover all the previously used
log levels or because importance was slightly reconsidered.
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Besides the NETLOGON_GUEST bit indicating whether the user has been
authenticated, we now carry all of the other bits as well. This lets us
match Windows' behaviour of simply passing these bits through to an
updated PAC when processing a TGS-REQ.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This function already exists in bind9 but takes different arguments, so when
the DLZ is loaded and this function is called bind crashes:
named[1523]: samba_dlz: allowing update of signer=DESKTOP-8BUKMBK\$\@AFOREST.AD name=118.101.168.192.in-addr.arpa tcpaddr=192.168.101.118 type=PTR key=1264-ms-7.1-2ac9.9ef238e1-9747-11ed-9f95-525400dc6981/159/0
named[1523]: samba_dlz: allowing update of signer=DESKTOP-8BUKMBK\$\@AFOREST.AD name=118.101.168.192.in-addr.arpa tcpaddr=192.168.101.118 type=PTR key=1264-ms-7.1-2ac9.9ef238e1-9747-11ed-9f95-525400dc6981/159/0
named[1523]: client @0x7f26caa90f68 192.168.101.118#58223/key DESKTOP-8BUKMBK\$\@AFOREST.AD: updating zone '101.168.192.in-addr.arpa/NONE': deleting rrset at '118.101.168.192.in-addr.ar
named[1523]: name.c:664: REQUIRE(((name1) != ((void *)0) && ((const isc__magic_t *)(name1))->magic == ((('D') << 24 | ('N') << 16 | ('S') << 8 | ('n'))))) failed, back trace
Backtrace:
#0 0x00007f2716c957ec in __pthread_kill_implementation () from /lib64/libc.so.6
#1 0x00007f2716c42816 in raise () from /lib64/libc.so.6
#2 0x00007f2716c2b81c in abort () from /lib64/libc.so.6
#3 0x000055d4de847995 in assertion_failed (file=<optimized out>, line=<optimized out>,
type=<optimized out>, cond=<optimized out>) at /usr/src/debug/bind-9.18.10/bin/named/main.c:237
#4 0x00007f27176388fc in isc_assertion_failed (file=file@entry=0x7f27173b0df6 "name.c",
line=line@entry=664, type=type@entry=isc_assertiontype_require,
cond=cond@entry=0x7f27173b0268 "((name1) != ((void *)0) && ((const isc__magic_t *)(name1))->magic == ((('D') << 24 | ('N') << 16 | ('S') << 8 | ('n'))))")
at /usr/src/debug/bind-9.18.10/lib/isc/assertions.c:48
#5 0x00007f27172946f9 in dns_name_equal (name1=<optimized out>, name2=<optimized out>)
at /usr/src/debug/bind-9.18.10/lib/dns/name.c:664
**** Here bind's dns_name_equal() is called instead of samba's dns_name_equal() ****
#6 0x00007f27077ad6f2 in dns_record_match (rec1=0x7f26f8042d70, rec2=0x7f26f8044d10)
at ../../source4/dns_server/dnsserver_common.c:1346
#7 0x00007f271404732c in b9_record_match (rec1=0x7f26f8042d70, rec2=0x7f26f8044d10)
at ../../source4/dns_server/dlz_bind9.c:1830
#8 0x00007f2714047daa in dlz_subrdataset (name=0x7f2706ff82f0 "118.101.168.192.in-addr.arpa",
rdatastr=0x7f26c9c10000 "118.101.168.192.in-addr.arpa.\t1200\tIN\tPTR\tDESKTOP-8BUKMBK.aforest.ad.",
dbdata=0x7f271003d300, version=0x7f26f8044b20) at ../../source4/dns_server/dlz_bind9.c:2077
#9 0x000055d4de84afb4 in dlopen_dlz_subrdataset (name=0x7f2706ff82f0 "118.101.168.192.in-addr.arpa",
rdatastr=<optimized out>, driverarg=<optimized out>, dbdata=0x7f270430f680, version=<optimized out>)
at /usr/src/debug/bind-9.18.10/bin/named/dlz_dlopen_driver.c:483
#10 0x00007f271738e734 in modrdataset.constprop.0 (db=0x7f2704291740, node=0x7f26c9c006e0,
version=0x7f26f8044b20, rdataset=0x7f2706ff8830,
mod_function=0x55d4de84af80 <dlopen_dlz_subrdataset>, options=<optimized out>)
at /usr/src/debug/bind-9.18.10/lib/dns/sdlz.c:1107
#11 0x00007f2717251855 in diff_apply (diff=diff@entry=0x7f2706ff8df0, db=db@entry=0x7f2704291740,
ver=ver@entry=0x7f26f8044b20, warn=warn@entry=true) at /usr/src/debug/bind-9.18.10/lib/dns/diff.c:370
#12 0x00007f2717251c8a in dns_diff_apply (diff=diff@entry=0x7f2706ff8df0, db=db@entry=0x7f2704291740,
ver=ver@entry=0x7f26f8044b20) at /usr/src/debug/bind-9.18.10/lib/dns/diff.c:465
#13 0x00007f2717d105aa in do_one_tuple (tuple=tuple@entry=0x7f2706ff8e50, db=db@entry=0x7f2704291740,
ver=ver@entry=0x7f26f8044b20, diff=diff@entry=0x7f2706ff9400)
at /usr/src/debug/bind-9.18.10/lib/ns/update.c:454
#14 0x00007f2717d10fff in update_one_rr (rdata=0x7f2706ff8ee8, ttl=<optimized out>,
name=<optimized out>, op=DNS_DIFFOP_DEL, diff=0x7f2706ff9400, ver=0x7f26f8044b20, db=0x7f2704291740)
at /usr/src/debug/bind-9.18.10/lib/ns/update.c:505
#15 delete_if_action (data=<optimized out>, rr=0x7f2706ff8ee0)
at /usr/src/debug/bind-9.18.10/lib/ns/update.c:1427
#16 0x00007f2717d10ccd in foreach_rr (db=0x7f2704291740, ver=<optimized out>, name=0x7f26caa61d00,
type=<optimized out>, covers=<optimized out>,
rr_action=rr_action@entry=0x7f2717d10f60 <delete_if_action>, rr_action_data=0x7f2706ff9280)
at /usr/src/debug/bind-9.18.10/lib/ns/update.c:736
#17 0x00007f2717d10e76 in delete_if (predicate=predicate@entry=0x7f2717d0fb10 <true_p>,
db=<optimized out>, ver=<optimized out>, name=<optimized out>, type=<optimized out>,
covers=<optimized out>, update_rr=0x7f2706ff94b0, diff=0x7f2706ff9400)
at /usr/src/debug/bind-9.18.10/lib/ns/update.c:1454
#18 0x00007f2717d1bccd in update_action (task=<optimized out>, event=<optimized out>)
at /usr/src/debug/bind-9.18.10/lib/ns/update.c:3299
#19 0x00007f271765eb4c in task_run (task=0x7f27155ccf00)
at /usr/src/debug/bind-9.18.10/lib/isc/task.c:823
#20 isc_task_run (task=0x7f27155ccf00) at /usr/src/debug/bind-9.18.10/lib/isc/task.c:904
#21 0x00007f271762cb12 in isc__nm_async_task (worker=0x7f2716236560, ev0=0x7f26caa07000)
at netmgr/netmgr.c:840
#22 process_netievent (worker=worker@entry=0x7f2716236560, ievent=0x7f26caa07000) at netmgr/netmgr.c:918
#23 0x00007f271762d197 in process_queue (worker=worker@entry=0x7f2716236560,
type=type@entry=NETIEVENT_TASK) at netmgr/netmgr.c:1011
#24 0x00007f271762d3b3 in process_all_queues (worker=0x7f2716236560) at netmgr/netmgr.c:765
#25 async_cb (handle=0x7f27162368c0) at netmgr/netmgr.c:794
#26 0x00007f2717c4cb0d in uv__async_io (loop=0x7f2716236570, w=<optimized out>, events=<optimized out>)
at src/unix/async.c:163
#27 0x00007f2717c6825d in uv__io_poll (loop=0x7f2716236570, timeout=<optimized out>)
at src/unix/epoll.c:374
#28 0x00007f2717c5247a in uv__io_poll (timeout=<optimized out>, loop=0x7f2716236570)
at src/unix/udp.c:122
#29 uv_run (loop=loop@entry=0x7f2716236570, mode=mode@entry=UV_RUN_DEFAULT) at src/unix/core.c:406
#30 0x00007f271762d834 in nm_thread (worker0=0x7f2716236560) at netmgr/netmgr.c:696
#31 0x00007f27176627f5 in isc__trampoline_run (arg=0x55d4dfe3ad70)
at /usr/src/debug/bind-9.18.10/lib/isc/trampoline.c:189
#32 0x00007f2716c9398d in start_thread () from /lib64/libc.so.6
#33 0x00007f2716d19344 in clone () from /lib64/libc.so.6
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14030
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Autobuild-User(master): Samuel Cabrero <scabrero@samba.org>
Autobuild-Date(master): Thu Jan 19 10:20:27 UTC 2023 on atb-devel-224
This aims to minimise usage of the error-prone pattern of searching for
a just-added message element in order to make modifications to it (and
potentially finding the wrong element).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15009
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
If we don't tell dns_common_replace() the old timestamp, it will
think the node is static because the timestamp is 0.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15040
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
dns_name_is_static is called after adding a uninitialized element to
recs. There is a chance that the uninizialized memory reads a element
with dwTimeStamp=0 and wType!=0. In that case dns_name_is_static will
return true
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15040
Signed-off-by: Michael Saxl <mike@mwsys.mine.bz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
It seems nothing has changed since 9.16 for our purposes.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14986
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Signed-off-by: Andreas Hasenack <andreas@canonical.com>
Pair-programmed-with: Andreas Hasenack <andreas@canonical.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Douglas Bagnall <dbagnall@samba.org>
Autobuild-Date(master): Mon May 23 00:53:09 UTC 2022 on sn-devel-184
Signed-off-by: Thomas Debesse <dev@illwieckz.net>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Mar 25 20:25:28 UTC 2022 on sn-devel-184
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Doing so is undefined behaviour.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This is the observed behaviour on Windows.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The idiom is we return via goto exit.
This was evidently missed from commit
7e2b71d8f7cf7ac72022e1b15c30fc30706e8375
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
dnsserver_common is enabled without the ad-dc to
prevent imports from failing when samba-tool is
called where the ad-dc was not built. The
server-side dns code is used in the client when
we do direct LDAP modification of DNS records.
Signed-off-by: David Mulder <dmulder@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Add an option to smb.conf to list authorized zone transfer clients.
Implement restriction in dlz_bind9 module to allow transfers only to selected IPs.
Deny zone transfer by default in dlz_bind9.
Adds test for the restriction in DNZ zone transfer clients.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=9634
Signed-off-by: Julien ROPÉ <jrope@linagora.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Jun 11 19:28:10 UTC 2021 on sn-devel-184
We don't support it really, and if we did there is no sense in which
it could be updated, which is the context in which this function is
used.
(modern HINFO returns the constant string "RFC8482". See RFC 8482).
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This will be needed by the RPC server. Other callers already filter
out tombstones, so this is OK.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We have had three nearly identical functions called
dns_record[s]_match. This patch merges two of them, attempting to keep
the good bits and not the bugs.
That means:
1. We use the AAAA match from dlz, which is agnostic to all the
billions of ways you can write the same IPv6 address (case sensitivity
is just the beginning).
2. We lean more on the TXT match from dns_utils, because the dlz used
a weird bitwise &= operator, but we adjust to exit early.
3. Keep HINFO from dlz (for now).
4. Use the dns_name_equal() that was already in dns_common, which was
used by dlz. dns_utils had a strange one that probably did the same
thing.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This log message will never be seen. We know because:
1. Always (two places) we are comparing an incoming record against a
database record.
2. The incoming record has come from b9_parse(), which makes the same
check.
3. If the database record is bad, we will never get here because the
first check is b9_record_match() is
if (rec1->wType != rec2->wType) {
return false;
}
and rec1->wType is not going to equal the corrupt database record's
wType, because point 2.
OK, but why? So we can shift this into dnsserver_common.c, because
the internal dns server has an inferior record_match() and it could do
with sharing this one.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We no longer support versions of bind that have
DLZ_DLOPEN_VERSION != 3, so we no longer need all these ifdefs.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Mon May 17 22:29:01 UTC 2021 on sn-devel-184
If we drop support for versions before Bind 9.10 (which itself went
EOL in 2018) we can get rid of a whole lot of ifdefs for old API
versions that no-one should be using.
This patch stops the build, the next one clears out the ifdefs.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Bind 9.8 went EOL in 2014, but we still run our tests using the API
version that it alone uses.
This patch changes it to use the API of versions 9.10 onwards.
We don't change what we test or make use of the new API, just pass
around some NULL pointers.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
MS-DNSP uses the term "EntombedTime" in e.g. "2.2.2.2.4.23 DNS_RPC_RECORD_TS"
which is more descriptive than the generic "timestamp", and less likely to be
confused with dwTimestamp, which has been our curse. Let's make it grep-able,
google-able, and evocative.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
In places we change NTTIME to uint32_t, because that is what is
actually wanted.
There is one instance of the calculation that we are not changing,
because there are other problems there.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
The dns structs have an unsigned 32 bit timestamp in hours since the
beginning of 1601. In a number of places we need to convert from unix
time to this timestamp, or from the timestamp to NTTIME.
You'll see subsequent patches that make use of these functions.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
Also, since we're there, avoid sorting an array of 1 element.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
