0fd3ccca64
Do not return any error for empty name. Just returns empty answer.
Before:
---
$ dig .
; <<>> DiG 9.16.24-RH <<>> .
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 13617
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;. IN A
;; Query time: 0 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Mon Jan 24 05:49:30 JST 2022
;; MSG SIZE rcvd: 28
---
After:
---
$ dig .
; <<>> DiG 9.16.24-RH <<>> .
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7957
;; flags: qr aa rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;. IN A
;; Query time: 1 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Mon Jan 24 06:05:02 JST 2022
;; MSG SIZE rcvd: 28
---
Replaces #22197.
Fixes RHBZ#2039854 (https://bugzilla.redhat.com/show_bug.cgi?id=2039854).
(cherry picked from commit
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||
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.github | ||
.lgtm/cpp-queries | ||
.semaphore | ||
catalog | ||
coccinelle | ||
docs | ||
factory/etc | ||
hwdb.d | ||
LICENSES | ||
man | ||
mkosi.default.d | ||
modprobe.d | ||
network | ||
po | ||
presets | ||
rules.d | ||
shell-completion | ||
src | ||
sysctl.d | ||
sysusers.d | ||
test | ||
tmpfiles.d | ||
tools | ||
units | ||
xorg | ||
.clang-format | ||
.ctags | ||
.dir-locals.el | ||
.editorconfig | ||
.gitattributes | ||
.gitignore | ||
.lgtm.yml | ||
.mailmap | ||
.packit.yml | ||
.vimrc | ||
.ycm_extra_conf.py | ||
configure | ||
LICENSE.GPL2 | ||
LICENSE.LGPL2.1 | ||
Makefile | ||
meson_options.txt | ||
meson.build | ||
mkosi.build | ||
mkosi.postinst | ||
NEWS | ||
README | ||
README.md | ||
TODO |
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