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Author SHA1 Message Date
Lorenz Kästle
16cb24807d ignore CNAMEs in RDNS-mode #1460 
Suppose your provider uses RFC 2317 (or RFC 4183 for that matter). The output of nslookup could look like the following:
2.120.22.172.in-addr.arpa	canonical name = 2.0/26.120.22.172.in-addr.arpa.
2.0/26.120.22.172.in-addr.arpa	name = rajesh.intern.prauscher.de.
Without this filter, check_dns would check the string against "2.0/26.120.22.172.in-addr.arpa., rajesh.intern.prauscher.de." which will fail for obvious reasons.
In forward DNS, this is achieved in line 165, as nslookup will print the address separate from the CNAME-resolving.

Original commit by Patrick Rauscher (prauscher@prauscher.de), adapted
here.
 2025-03-09 15:43:06 +01:00
Lorenz Kästle
8b8ce8a605 Remove redundant NULL checks and replace deprecated index function 2025-03-09 12:41:13 +01:00
Lorenz Kästle
c0d9580dac check_dns: some comments, small improvements 2025-03-09 12:11:02 +01:00
Lorenz Kästle
65794e3137 Refactor check_dns 2025-03-09 12:04:40 +01:00
Lorenz Kästle
230054f94d clang-format 2025-03-08 10:55:21 +01:00
RincewindsHat
078e9b96ad check_dns: update copyright 2024-10-31 03:33:51 +01:00
RincewindsHat
4f34506c81 check_dns: Linter fixes 2024-10-31 03:33:10 +01:00
RincewindsHat
702dc596a4 check_dns: do not export local variables 2024-10-31 03:30:42 +01:00
RincewindsHat
499c0a07ae check_dns: clang-format 2024-10-31 03:29:32 +01:00
RincewindsHat
4f4fb3d9af check_dns: Remove unused variable 2023-11-23 00:12:49 +01:00
RincewindsHat
07f9c438f3 Fixes for -Wsign-compare 2023-10-19 12:10:55 +02:00
RincewindsHat
ee80cc2591 check_dns: Another C99 boolean 2023-10-18 16:54:33 +02:00
RincewindsHat
a964f87d14 check_dns: Use C99 booleans 2023-10-18 16:22:45 +02:00
Jan Wagner
0f3703e641 Fix a lot of typos reported by codespell 2023-04-14 18:35:00 +00:00
Jonny007-MKD
cfc43a3275 Improvements suggested by tobiaswiese 2021-09-02 09:56:39 +02:00
Jonny007-MKD
2056c58531 check_dns: Fix memory leak 2021-09-02 09:56:39 +02:00
Jonny007-MKD
70f55ca9db check_dns: add --expect-nxdomain 2021-09-02 09:56:39 +02:00
Rolf Eike Beer
ad99755033
check_dns: split multiple IP addresses passed in one -a argument 2020-11-02 20:05:56 +01:00
ghciv6
905b09c38b detect unreachable dns service in nslookup output (from bind-utils-9.8.2) 
prevent core if error_scan detects an error in a line without ':'
 2020-05-20 23:02:42 +02:00
Rolf Eike Beer
763eb740b3 check_dns: fix typo in parameter description 2019-02-15 17:31:29 +01:00
Rolf Eike Beer
fd9a7d2e00 check_dns: allow forcing complete match of all addresses 2018-07-25 21:14:47 +02:00
Rolf Eike Beer
a03068743f check_dns: allow returned addresses to be in any order 2018-07-25 20:18:47 +02:00
Rolf Eike Beer
e60c6c04f0 check_dns: simplify loop 2018-07-25 19:05:16 +02:00
Sven Nierlein
9daeceaed3 check_dns: fix error detection on sles nslookup 
on sles (ex. 11sp1) systems the nslookup output for not found was not parsed correctly
and interpreted as ok when it should be critical:

./check_dns -H nosuchhost.nodomain -t 1 -vvv
/usr/bin/nslookup -sil nosuchhost.nodomain Server:         10.0.2.3
Address:        10.0.2.3#53
Non-authoritative answer:
*** Can't find nosuchhost.nodomain: No answer
DNS OK: 0.011 seconds response time. nosuchhost.nodomain returns |time=0.010892s;;;0.000000

Signed-off-by: Sven Nierlein <sven@nierlein.de>
 2017-03-12 21:02:58 +01:00
Nicolai
ea756ac4ad check_dns: Tests and info 2016-12-23 20:44:45 +01:00
Nicolai Søborg
22e78763ea check_dns: Accept CIDR 2016-12-21 17:24:29 +01:00
Patrick Rauscher
f524b15e57 check_dns: allow for IPv6 RDNS 2016-12-20 21:59:58 +01:00
Sven Nierlein
28d4812860 Merge pull request #1307 from waja/check_dns_dead_code 
check_dns: remove dead code
 2016-11-07 23:05:26 +01:00
Sven Geggus
d44b8d70a4 DNS is case insensitive! 
Thus recent Versions of bind will no longer change .IN-ADDR.ARPA to lowercase
as the uppercase version is also valid.

To have check_dns.c consider this fact change strstr to strcasestr
 2016-02-22 17:14:27 +01:00
Sven Nierlein
edca257e20 use unknown exit code for help/version in plugins 
Signed-off-by: Sven Nierlein <sven@nierlein.de>
 2015-10-04 19:24:30 +02:00
Sebastian Herbszt
193ea6b5d7 check_dns: remove dead code 
Remove code dead since commit 4efa917.

Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
 2014-12-15 17:44:13 +01:00
Sven Nierlein
18a9562dae check_dns: unified check output 
this also allows us to make tests against "critical" in the output.

Signed-off-by: Sven Nierlein <Sven.Nierlein@consol.de>
 2014-07-31 12:13:52 +02:00
Jan Wagner
b7ce241ba6 check_dns: Use strchr instead of index 2014-07-30 23:30:59 +02:00
Jan Wagner
d0da78ced1 check_dns: returns incorrect state when specifying server 
This patch verifies if the response is returned by the dns server we
are trying to check
---
Closes #981
Closes #982
Closes #1164
 2014-07-30 13:16:37 +02:00
abrist
e49973493c check_dns.c Added a bit more logic to thresholds 
Added two if elses to cover when only one threshold is set.
 2014-06-28 22:01:16 +02:00
Jean-Claude Computing
79ba1f90db check_dns: add warning and critical thresholds to perfdata 2014-06-28 22:01:16 +02:00
Thomas Guyot-Sionnest
11cf54ca78 Merge branch 'rename' 2014-01-21 07:59:07 -05:00
Spenser Reinhardt
212575b858 plugins/*.c: Alterations for timeout messages. 
.c file changes for misleading timeout messages in help functions. Solution to pull request #1209 tracker by awiddersheim.

Files: plugins/check_apt.c, plugins/check_by_ssh.c, plugins/check_dbi.c, plugins/check_dig.c, plugins/check_disk.c, plugins/check_dns.c, plugins/check_game.c, plugins/check_http.c, plugins/check_ldap.c, plugins/check_ntp.c, plugins/check_ntp_peer.c, plugins/check_ntp_time.c, plugins/check_nwstat.c, plugins/check_overcr.c, plugins/check_pgsql.c, plugins/check_ping.c, plugins/check_procs.c, plugins/check_radius.c, plugins/check_real.c, plugins/check_smtp.c, plugins/check_snmp.c, plugins/check_ssh.c, plugins/check_tcp.c, plugins/check_time.c, plugins/check_ups.c, plugins/negate.c
 2014-01-21 11:33:45 +01:00
Holger Weiss
c3e756a855 Capitalize "Monitoring" when it's the first word 2014-01-20 03:12:50 +01:00
Monitoring Plugins Development Team
63734f52ab Project rename initial commit. 
This is an initial take at renaming the project to Monitoring Plugins.
It's not expected to be fully complete, and it is expected to break
things (The perl module for instance). More testing will be required
before this goes mainline.
 2014-01-19 14:18:47 -05:00
Diego Elio Petten
332c6ef2c7 plugins: rename runcmd's signal handler. 
The previous name would collide with popen's. Even if the two are
never used together, it's still a good idea not to have the same
symbol in multiple object files.
 2013-05-12 14:15:13 +02:00
Anders Kaseorg
028d50d6f9 Die when asprintf fails 
Fixes many instances of
warning: ignoring return value of 'asprintf', declared with attribute warn_unused_result [-Wunused-result]

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
 2012-06-29 13:39:11 +02:00
Thomas Guyot-Sionnest
eaf3cb27f4 Add newline after "Usage:" in --help 2010-04-22 08:57:14 -04:00
Thomas Guyot-Sionnest
884aee0667 Standardize the extra-opts notes 2010-04-21 23:29:18 -04:00
Thomas Guyot-Sionnest
25d1ee331d Fix translations when extra-opts aren't enabled 
Bug #2832884 reported problem with translations outputting pot file
headers. This is caused by "" matching the header of the translation
files.

This patch moves gettext macros inside utils macros and update some
french translations.
 2010-04-14 08:33:06 -04:00
Ton Voon
5324544855 Typo fixes (Jan Wagner - SF 1878971) 2009-02-20 00:00:13 +00:00
Thomas Guyot-Sionnest
6fbd14fea5 Removing CVS/SVN tags and replacing with git-based versioning 
For contrib/, full tags have been imported from subversion


git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@2091 f882894a-f735-0410-b71e-b25c423dba1c
 2008-11-23 05:38:47 +00:00
Thomas Guyot-Sionnest
caa8bd6423 Bulk EOL cleanup 
$ git diff --ignore-space-change|diffstat
 0 files changed


git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@2087 f882894a-f735-0410-b71e-b25c423dba1c
 2008-11-19 06:45:18 +00:00
Thomas Guyot-Sionnest
4e366f82de Fix long options parsing in check_disk, check_dns, check_mrtg and check_mrtgtraf (check_tcp was done in an earlier commit) 
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@2078 f882894a-f735-0410-b71e-b25c423dba1c
 2008-11-08 16:33:15 +00:00
Thomas Guyot-Sionnest
7e3fc482ed Typo 
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1992 f882894a-f735-0410-b71e-b25c423dba1c
 2008-05-13 09:14:45 +00:00