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https://github.com/systemd/systemd
synced 2024-09-06 16:56:43 +00:00
![Daan De Meyer](/assets/img/avatar_default.png)
Having these named differently than the test itself mostly creates unecessary confusion and makes writing logic against the tests harder so let's rename the testsuite-xx units and scripts to just use the test name itself.
903 lines
35 KiB
Bash
Executable file
903 lines
35 KiB
Bash
Executable file
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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# vi: ts=4 sw=4 tw=0 et:
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# TODO:
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# - IPv6-only stack
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# - mDNS
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# - LLMNR
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# - DoT/DoH
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set -eux
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set -o pipefail
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# shellcheck source=test/units/util.sh
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. "$(dirname "$0")"/util.sh
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# We need at least Knot 3.0 which support (among others) the ds-push directive
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if ! knotc -c /usr/lib/systemd/tests/testdata/knot-data/knot.conf conf-check; then
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echo "This test requires at least Knot 3.0. skipping..." | tee --append /skipped
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exit 77
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fi
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RUN_OUT="$(mktemp)"
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run() {
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"$@" |& tee "$RUN_OUT"
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}
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run_delv() {
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# Since [0] delv no longer loads /etc/(bind/)bind.keys by default, so we
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# have to do that explicitly for each invocation
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run delv -a /etc/bind.keys "$@"
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}
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disable_ipv6() {
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sysctl -w net.ipv6.conf.all.disable_ipv6=1
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}
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enable_ipv6() {
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sysctl -w net.ipv6.conf.all.disable_ipv6=0
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networkctl reconfigure dns0
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/usr/lib/systemd/systemd-networkd-wait-online --ipv4 --ipv6 --interface=dns0:routable --timeout=30
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}
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monitor_check_rr() (
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set +x
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set +o pipefail
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local since="${1:?}"
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local match="${2:?}"
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# Wait until the first mention of the specified log message is
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# displayed. We turn off pipefail for this, since we don't care about the
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# lhs of this pipe expression, we only care about the rhs' result to be
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# clean
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timeout -v 30s journalctl -u resolvectl-monitor.service --since "$since" -f --full | grep -m1 "$match"
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)
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restart_resolved() {
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systemctl stop systemd-resolved.service
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(! systemctl is-failed systemd-resolved.service)
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# Reset the restart counter since we call this method a bunch of times
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# and can occasionally hit the default rate limit
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systemctl reset-failed systemd-resolved.service
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systemctl start systemd-resolved.service
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systemctl service-log-level systemd-resolved.service debug
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}
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# Test for resolvectl, resolvconf
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systemctl unmask systemd-resolved.service
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systemctl enable --now systemd-resolved.service
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systemctl service-log-level systemd-resolved.service debug
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ip link add hoge type dummy
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ip link add hoge.foo type dummy
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resolvectl dns hoge 10.0.0.1 10.0.0.2
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resolvectl dns hoge.foo 10.0.0.3 10.0.0.4
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assert_in '10.0.0.1 10.0.0.2' "$(resolvectl dns hoge)"
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assert_in '10.0.0.3 10.0.0.4' "$(resolvectl dns hoge.foo)"
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resolvectl dns hoge 10.0.1.1 10.0.1.2
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resolvectl dns hoge.foo 10.0.1.3 10.0.1.4
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assert_in '10.0.1.1 10.0.1.2' "$(resolvectl dns hoge)"
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assert_in '10.0.1.3 10.0.1.4' "$(resolvectl dns hoge.foo)"
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if ! RESOLVCONF=$(command -v resolvconf 2>/dev/null); then
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TMPDIR=$(mktemp -d -p /tmp resolvconf-tests.XXXXXX)
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RESOLVCONF="$TMPDIR"/resolvconf
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ln -s "$(command -v resolvectl 2>/dev/null)" "$RESOLVCONF"
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fi
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echo nameserver 10.0.2.1 10.0.2.2 | "$RESOLVCONF" -a hoge
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echo nameserver 10.0.2.3 10.0.2.4 | "$RESOLVCONF" -a hoge.foo
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assert_in '10.0.2.1 10.0.2.2' "$(resolvectl dns hoge)"
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assert_in '10.0.2.3 10.0.2.4' "$(resolvectl dns hoge.foo)"
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echo nameserver 10.0.3.1 10.0.3.2 | "$RESOLVCONF" -a hoge.inet.ipsec.192.168.35
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echo nameserver 10.0.3.3 10.0.3.4 | "$RESOLVCONF" -a hoge.foo.dhcp
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assert_in '10.0.3.1 10.0.3.2' "$(resolvectl dns hoge)"
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assert_in '10.0.3.3 10.0.3.4' "$(resolvectl dns hoge.foo)"
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# Tests for _localdnsstub and _localdnsproxy
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assert_in '127.0.0.53' "$(resolvectl query _localdnsstub)"
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assert_in '_localdnsstub' "$(resolvectl query 127.0.0.53)"
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assert_in '127.0.0.54' "$(resolvectl query _localdnsproxy)"
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assert_in '_localdnsproxy' "$(resolvectl query 127.0.0.54)"
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assert_in '127.0.0.53' "$(dig @127.0.0.53 _localdnsstub)"
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assert_in '_localdnsstub' "$(dig @127.0.0.53 -x 127.0.0.53)"
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assert_in '127.0.0.54' "$(dig @127.0.0.53 _localdnsproxy)"
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assert_in '_localdnsproxy' "$(dig @127.0.0.53 -x 127.0.0.54)"
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# Tests for mDNS and LLMNR settings
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mkdir -p /run/systemd/resolved.conf.d
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{
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echo "[Resolve]"
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echo "MulticastDNS=no"
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echo "LLMNR=no"
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} >/run/systemd/resolved.conf.d/mdns-llmnr.conf
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restart_resolved
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# make sure networkd is not running.
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systemctl stop systemd-networkd.service
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assert_in 'no' "$(resolvectl mdns hoge)"
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assert_in 'no' "$(resolvectl llmnr hoge)"
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# Tests that reloading works
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{
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echo "[Resolve]"
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echo "MulticastDNS=yes"
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echo "LLMNR=yes"
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} >/run/systemd/resolved.conf.d/mdns-llmnr.conf
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systemctl reload systemd-resolved.service
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# defaults to yes (both the global and per-link settings are yes)
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assert_in 'yes' "$(resolvectl mdns hoge)"
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assert_in 'yes' "$(resolvectl llmnr hoge)"
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# set per-link setting
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resolvectl mdns hoge yes
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resolvectl llmnr hoge yes
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assert_in 'yes' "$(resolvectl mdns hoge)"
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assert_in 'yes' "$(resolvectl llmnr hoge)"
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resolvectl mdns hoge resolve
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resolvectl llmnr hoge resolve
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assert_in 'resolve' "$(resolvectl mdns hoge)"
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assert_in 'resolve' "$(resolvectl llmnr hoge)"
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resolvectl mdns hoge no
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resolvectl llmnr hoge no
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assert_in 'no' "$(resolvectl mdns hoge)"
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assert_in 'no' "$(resolvectl llmnr hoge)"
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# downgrade global setting to resolve
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{
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echo "[Resolve]"
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echo "MulticastDNS=resolve"
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echo "LLMNR=resolve"
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} >/run/systemd/resolved.conf.d/mdns-llmnr.conf
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systemctl reload systemd-resolved.service
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# set per-link setting
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resolvectl mdns hoge yes
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resolvectl llmnr hoge yes
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assert_in 'resolve' "$(resolvectl mdns hoge)"
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assert_in 'resolve' "$(resolvectl llmnr hoge)"
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resolvectl mdns hoge resolve
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resolvectl llmnr hoge resolve
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assert_in 'resolve' "$(resolvectl mdns hoge)"
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assert_in 'resolve' "$(resolvectl llmnr hoge)"
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resolvectl mdns hoge no
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resolvectl llmnr hoge no
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assert_in 'no' "$(resolvectl mdns hoge)"
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assert_in 'no' "$(resolvectl llmnr hoge)"
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# downgrade global setting to no
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{
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echo "[Resolve]"
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echo "MulticastDNS=no"
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echo "LLMNR=no"
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} >/run/systemd/resolved.conf.d/mdns-llmnr.conf
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systemctl reload systemd-resolved.service
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# set per-link setting
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resolvectl mdns hoge yes
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resolvectl llmnr hoge yes
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assert_in 'no' "$(resolvectl mdns hoge)"
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assert_in 'no' "$(resolvectl llmnr hoge)"
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resolvectl mdns hoge resolve
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resolvectl llmnr hoge resolve
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assert_in 'no' "$(resolvectl mdns hoge)"
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assert_in 'no' "$(resolvectl llmnr hoge)"
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resolvectl mdns hoge no
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resolvectl llmnr hoge no
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assert_in 'no' "$(resolvectl mdns hoge)"
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assert_in 'no' "$(resolvectl llmnr hoge)"
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# Cleanup
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rm -f /run/systemd/resolved.conf.d/mdns-llmnr.conf
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ip link del hoge
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ip link del hoge.foo
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### SETUP ###
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# Configure network
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hostnamectl hostname ns1.unsigned.test
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cat >>/etc/hosts <<EOF
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10.0.0.1 ns1.unsigned.test
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fd00:dead:beef:cafe::1 ns1.unsigned.test
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127.128.0.5 localhost5 localhost5.localdomain localhost5.localdomain4 localhost.localdomain5 localhost5.localdomain5
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EOF
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mkdir -p /run/systemd/network
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cat >/run/systemd/network/10-dns0.netdev <<EOF
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[NetDev]
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Name=dns0
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Kind=dummy
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EOF
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cat >/run/systemd/network/10-dns0.network <<EOF
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[Match]
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Name=dns0
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[Network]
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IPv6AcceptRA=no
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Address=10.0.0.1/24
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Address=fd00:dead:beef:cafe::1/64
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DNSSEC=allow-downgrade
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DNS=10.0.0.1
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DNS=fd00:dead:beef:cafe::1
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EOF
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cat >/run/systemd/network/10-dns1.netdev <<EOF
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[NetDev]
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Name=dns1
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Kind=dummy
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EOF
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cat >/run/systemd/network/10-dns1.network <<EOF
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[Match]
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Name=dns1
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[Network]
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IPv6AcceptRA=no
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Address=10.99.0.1/24
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DNSSEC=no
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EOF
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systemctl edit --stdin --full --runtime --force "resolved-dummy-server.service" <<EOF
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[Service]
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Type=notify
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Environment=SYSTEMD_LOG_LEVEL=debug
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ExecStart=/usr/lib/systemd/tests/unit-tests/manual/test-resolved-dummy-server 10.99.0.1:53
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EOF
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DNS_ADDRESSES=(
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"10.0.0.1"
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"fd00:dead:beef:cafe::1"
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)
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mkdir -p /run/systemd/resolved.conf.d
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{
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echo "[Resolve]"
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echo "FallbackDNS="
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echo "DNSSEC=allow-downgrade"
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echo "DNSOverTLS=opportunistic"
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} >/run/systemd/resolved.conf.d/test.conf
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ln -svf /run/systemd/resolve/stub-resolv.conf /etc/resolv.conf
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# Override the default NTA list, which turns off DNSSEC validation for (among
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# others) the test. domain
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mkdir -p "/etc/dnssec-trust-anchors.d/"
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echo local >/etc/dnssec-trust-anchors.d/local.negative
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# Copy over our knot configuration
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mkdir -p /var/lib/knot/zones/ /etc/knot/
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cp -rfv /usr/lib/systemd/tests/testdata/knot-data/zones/* /var/lib/knot/zones/
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cp -fv /usr/lib/systemd/tests/testdata/knot-data/knot.conf /etc/knot/knot.conf
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chgrp -R knot /etc/knot/ /var/lib/knot/
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chmod -R ug+rwX /var/lib/knot/
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chmod -R g+r /etc/knot/
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# Sign the root zone
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keymgr . generate algorithm=ECDSAP256SHA256 ksk=yes zsk=yes
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# Create a trust anchor for resolved with our root zone
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keymgr . ds | sed 's/ DS/ IN DS/g' >/etc/dnssec-trust-anchors.d/root.positive
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# Create a bind-compatible trust anchor (for delv)
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# Note: the trust-anchors directive is relatively new, so use the original
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# managed-keys one until it's widespread enough
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{
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echo 'managed-keys {'
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keymgr . dnskey | sed -r 's/^\. DNSKEY ([0-9]+ [0-9]+ [0-9]+) (.+)$/. static-key \1 "\2";/g'
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echo '};'
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} >/etc/bind.keys
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# Create an /etc/bind/bind.keys symlink, which is used by delv on Ubuntu
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mkdir -p /etc/bind
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ln -svf /etc/bind.keys /etc/bind/bind.keys
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# Start the services
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systemctl unmask systemd-networkd
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systemctl restart systemd-networkd
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/usr/lib/systemd/systemd-networkd-wait-online --interface=dns1:routable --timeout=60
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systemctl reload systemd-resolved
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systemctl start resolved-dummy-server
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# Create knot's runtime dir, since from certain version it's provided only by
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# the package and not created by tmpfiles/systemd
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if [[ ! -d /run/knot ]]; then
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mkdir -p /run/knot
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chown -R knot:knot /run/knot
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fi
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systemctl start knot
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# Wait a bit for the keys to propagate
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sleep 4
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systemctl status resolved-dummy-server
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networkctl status
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resolvectl status
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resolvectl log-level debug
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# Start monitoring queries
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systemd-run -u resolvectl-monitor.service -p Type=notify resolvectl monitor
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systemd-run -u resolvectl-monitor-json.service -p Type=notify resolvectl monitor --json=short
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# FIXME: knot, unfortunately, incorrectly complains about missing zone files for zones
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# that are forwarded using the `dnsproxy` module. Until the issue is resolved,
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# let's fall back to pre-processing the `zone-check` output a bit before checking it
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#
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# See: https://gitlab.nic.cz/knot/knot-dns/-/issues/913
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run knotc zone-check || :
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sed -i '/forwarded.test./d' "$RUN_OUT"
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[[ ! -s "$RUN_OUT" ]]
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# We need to manually propagate the DS records of onlinesign.test. to the parent
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# zone, since they're generated online
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knotc zone-begin test.
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if knotc zone-get test. onlinesign.test. ds | grep .; then
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# Drop any old DS records, if present (e.g. on test re-run)
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knotc zone-unset test. onlinesign.test. ds
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fi
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# Propagate the new DS records
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while read -ra line; do
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knotc zone-set test. "${line[0]}" 600 "${line[@]:1}"
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done < <(keymgr onlinesign.test. ds)
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knotc zone-commit test.
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knotc reload
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sleep 2
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### SETUP END ###
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: "--- nss-resolve/nss-myhostname tests"
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# Sanity check
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TIMESTAMP=$(date '+%F %T')
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# Issue: https://github.com/systemd/systemd/issues/23951
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# With IPv6 enabled
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run getent -s resolve ahosts ns1.unsigned.test
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grep -qE "^fd00:dead:beef:cafe::1\s+STREAM\s+ns1\.unsigned\.test" "$RUN_OUT"
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monitor_check_rr "$TIMESTAMP" "ns1.unsigned.test IN AAAA fd00:dead:beef:cafe::1"
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# With IPv6 disabled
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# Issue: https://github.com/systemd/systemd/issues/23951
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disable_ipv6
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run getent -s resolve ahosts ns1.unsigned.test
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grep -qE "^10\.0\.0\.1\s+STREAM\s+ns1\.unsigned\.test" "$RUN_OUT"
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(! grep -qE "fd00:dead:beef:cafe::1" "$RUN_OUT")
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monitor_check_rr "$TIMESTAMP" "ns1.unsigned.test IN A 10.0.0.1"
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enable_ipv6
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# Issue: https://github.com/systemd/systemd/issues/18812
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# PR: https://github.com/systemd/systemd/pull/18896
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# Follow-up issue: https://github.com/systemd/systemd/issues/23152
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# Follow-up PR: https://github.com/systemd/systemd/pull/23161
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# With IPv6 enabled
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run getent -s resolve ahosts localhost
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grep -qE "^::1\s+STREAM\s+localhost" "$RUN_OUT"
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run getent -s myhostname ahosts localhost
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grep -qE "^::1\s+STREAM\s+localhost" "$RUN_OUT"
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# With IPv6 disabled
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disable_ipv6
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run getent -s resolve ahosts localhost
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grep -qE "^127\.0\.0\.1\s+STREAM\s+localhost" "$RUN_OUT"
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(! grep -qE "::1" "$RUN_OUT")
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run getent -s myhostname ahosts localhost
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grep -qE "^127\.0\.0\.1\s+STREAM\s+localhost" "$RUN_OUT"
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enable_ipv6
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# Issue: https://github.com/systemd/systemd/issues/25088
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run getent -s resolve hosts 127.128.0.5
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grep -qEx '127\.128\.0\.5\s+localhost5(\s+localhost5?\.localdomain[45]?){4}' "$RUN_OUT"
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[ "$(wc -l <"$RUN_OUT")" -eq 1 ]
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# Issue: https://github.com/systemd/systemd/issues/20158
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run dig +noall +answer +additional localhost5.
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grep -qEx 'localhost5\.\s+0\s+IN\s+A\s+127\.128\.0\.5' "$RUN_OUT"
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[ "$(wc -l <"$RUN_OUT")" -eq 1 ]
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run dig +noall +answer +additional localhost5.localdomain4.
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grep -qEx 'localhost5\.localdomain4\.\s+0\s+IN\s+CNAME\s+localhost5\.' "$RUN_OUT"
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grep -qEx 'localhost5\.\s+0\s+IN\s+A\s+127\.128\.0\.5' "$RUN_OUT"
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[ "$(wc -l <"$RUN_OUT")" -eq 2 ]
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: "--- Basic resolved tests ---"
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# Issue: https://github.com/systemd/systemd/issues/22229
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# PR: https://github.com/systemd/systemd/pull/22231
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FILTERED_NAMES=(
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"0.in-addr.arpa"
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"255.255.255.255.in-addr.arpa"
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"0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa"
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"hello.invalid"
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"hello.alt"
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)
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for name in "${FILTERED_NAMES[@]}"; do
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(! run host "$name")
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grep -qF "NXDOMAIN" "$RUN_OUT"
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done
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# Follow-up
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# Issue: https://github.com/systemd/systemd/issues/22401
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# PR: https://github.com/systemd/systemd/pull/22414
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run dig +noall +authority +comments SRV .
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grep -qF "status: NOERROR" "$RUN_OUT"
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grep -qE "IN\s+SOA\s+ns1\.unsigned\.test\." "$RUN_OUT"
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run resolvectl query -t SVCB svcb.test
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grep -qF 'alpn="dot"' "$RUN_OUT"
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grep -qF "ipv4hint=10.0.0.1" "$RUN_OUT"
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run resolvectl query -t HTTPS https.test
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grep -qF 'alpn="h2,h3"' "$RUN_OUT"
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: "--- ZONE: unsigned.test. ---"
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run dig @ns1.unsigned.test +short unsigned.test A unsigned.test AAAA
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grep -qF "10.0.0.101" "$RUN_OUT"
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grep -qF "fd00:dead:beef:cafe::101" "$RUN_OUT"
|
|
run resolvectl query unsigned.test
|
|
grep -qF "10.0.0.10" "$RUN_OUT"
|
|
grep -qF "fd00:dead:beef:cafe::101" "$RUN_OUT"
|
|
grep -qF "authenticated: no" "$RUN_OUT"
|
|
run dig @ns1.unsigned.test +short MX unsigned.test
|
|
grep -qF "15 mail.unsigned.test." "$RUN_OUT"
|
|
run resolvectl query --legend=no -t MX unsigned.test
|
|
grep -qF "unsigned.test IN MX 15 mail.unsigned.test" "$RUN_OUT"
|
|
|
|
|
|
: "--- ZONE: signed.test (static DNSSEC) ---"
|
|
# Check the trust chain (with and without systemd-resolved in between
|
|
# Issue: https://github.com/systemd/systemd/issues/22002
|
|
# PR: https://github.com/systemd/systemd/pull/23289
|
|
run_delv @ns1.unsigned.test signed.test
|
|
grep -qF "; fully validated" "$RUN_OUT"
|
|
run_delv signed.test
|
|
grep -qF "; fully validated" "$RUN_OUT"
|
|
|
|
for addr in "${DNS_ADDRESSES[@]}"; do
|
|
run_delv "@$addr" -t A mail.signed.test
|
|
grep -qF "; fully validated" "$RUN_OUT"
|
|
run_delv "@$addr" -t AAAA mail.signed.test
|
|
grep -qF "; fully validated" "$RUN_OUT"
|
|
done
|
|
run resolvectl query mail.signed.test
|
|
grep -qF "10.0.0.11" "$RUN_OUT"
|
|
grep -qF "fd00:dead:beef:cafe::11" "$RUN_OUT"
|
|
grep -qF "authenticated: yes" "$RUN_OUT"
|
|
|
|
run dig +short signed.test
|
|
grep -qF "10.0.0.10" "$RUN_OUT"
|
|
run resolvectl query signed.test
|
|
grep -qF "signed.test: 10.0.0.10" "$RUN_OUT"
|
|
grep -qF "authenticated: yes" "$RUN_OUT"
|
|
run dig @ns1.unsigned.test +short MX signed.test
|
|
grep -qF "10 mail.signed.test." "$RUN_OUT"
|
|
run resolvectl query --legend=no -t MX signed.test
|
|
grep -qF "signed.test IN MX 10 mail.signed.test" "$RUN_OUT"
|
|
# Check a non-existent domain
|
|
run dig +dnssec this.does.not.exist.signed.test
|
|
grep -qF "status: NXDOMAIN" "$RUN_OUT"
|
|
# Check a wildcard record
|
|
run resolvectl query -t TXT this.should.be.authenticated.wild.signed.test
|
|
grep -qF 'this.should.be.authenticated.wild.signed.test IN TXT "this is a wildcard"' "$RUN_OUT"
|
|
grep -qF "authenticated: yes" "$RUN_OUT"
|
|
# Check SRV support
|
|
run resolvectl service _mysvc._tcp signed.test
|
|
grep -qF "myservice.signed.test:1234" "$RUN_OUT"
|
|
grep -qF "10.0.0.20" "$RUN_OUT"
|
|
grep -qF "fd00:dead:beef:cafe::17" "$RUN_OUT"
|
|
grep -qF "authenticated: yes" "$RUN_OUT"
|
|
|
|
# Test service resolve over Varlink
|
|
run varlinkctl call /run/systemd/resolve/io.systemd.Resolve io.systemd.Resolve.ResolveService '{"name":"","type":"_mysvc._tcp","domain":"signed.test"}'
|
|
grep -qF '"services":[{"priority":10,"weight":5,"port":1234,"hostname":"myservice.signed.test","canonicalName":"myservice.signed.test","addresses":[{"ifindex":' "$RUN_OUT"
|
|
grep -qF '"family":10,"address":[253,0,222,173,190,239,202,254,0,0,0,0,0,0,0,23]' "$RUN_OUT"
|
|
grep -qF '"family":2,"address":[10,0,0,20]' "$RUN_OUT"
|
|
grep -qF '}]}],"txt":["This is TXT for myservice"],"canonical":{"name":null,"type":"_mysvc._tcp","domain":"signed.test"},"flags":' "$RUN_OUT"
|
|
|
|
# without name
|
|
run varlinkctl call /run/systemd/resolve/io.systemd.Resolve io.systemd.Resolve.ResolveService '{"type":"_mysvc._tcp","domain":"signed.test"}'
|
|
# without txt (SD_RESOLVE_NO_TXT)
|
|
run varlinkctl call /run/systemd/resolve/io.systemd.Resolve io.systemd.Resolve.ResolveService '{"type":"_mysvc._tcp","domain":"signed.test","flags":64}'
|
|
(! grep -qF '"txt"' "$RUN_OUT")
|
|
# without address (SD_RESOLVE_NO_ADDRESS)
|
|
run varlinkctl call /run/systemd/resolve/io.systemd.Resolve io.systemd.Resolve.ResolveService '{"type":"_mysvc._tcp","domain":"signed.test","flags":128}'
|
|
(! grep -qF '"addresses"' "$RUN_OUT")
|
|
# without txt and address
|
|
run varlinkctl call /run/systemd/resolve/io.systemd.Resolve io.systemd.Resolve.ResolveService '{"type":"_mysvc._tcp","domain":"signed.test","flags":192}'
|
|
(! grep -qF '"txt"' "$RUN_OUT")
|
|
(! grep -qF '"addresses"' "$RUN_OUT")
|
|
|
|
(! run resolvectl service _invalidsvc._udp signed.test)
|
|
grep -qE "invalidservice\.signed\.test' not found" "$RUN_OUT"
|
|
run resolvectl service _untrustedsvc._udp signed.test
|
|
grep -qF "myservice.untrusted.test:1111" "$RUN_OUT"
|
|
grep -qF "10.0.0.123" "$RUN_OUT"
|
|
grep -qF "fd00:dead:beef:cafe::123" "$RUN_OUT"
|
|
grep -qF "authenticated: yes" "$RUN_OUT"
|
|
# Check OPENPGPKEY support
|
|
run_delv -t OPENPGPKEY 5a786cdc59c161cdafd818143705026636962198c66ed4c5b3da321e._openpgpkey.signed.test
|
|
grep -qF "; fully validated" "$RUN_OUT"
|
|
run resolvectl openpgp mr.smith@signed.test
|
|
grep -qF "5a786cdc59c161cdafd818143705026636962198c66ed4c5b3da321e._openpgpkey.signed.test" "$RUN_OUT"
|
|
grep -qF "authenticated: yes" "$RUN_OUT"
|
|
# Check zone transfers (AXFR/IXFR)
|
|
# Note: since resolved doesn't support zone transfers, let's just make sure it
|
|
# simply refuses such requests without choking on them
|
|
# See: https://github.com/systemd/systemd/pull/30809#issuecomment-1880102804
|
|
run dig @ns1.unsigned.test AXFR signed.test
|
|
grep -qE "SOA\s+ns1.unsigned.test. root.unsigned.test." "$RUN_OUT"
|
|
run dig AXFR signed.test
|
|
grep -qF "; Transfer failed" "$RUN_OUT"
|
|
run dig @ns1.unsigned.test IXFR=43 signed.test
|
|
grep -qE "SOA\s+ns1.unsigned.test. root.unsigned.test." "$RUN_OUT"
|
|
run dig IXFR=43 signed.test
|
|
grep -qF "; Transfer failed" "$RUN_OUT"
|
|
|
|
# DNSSEC validation with multiple records of the same type for the same name
|
|
# Issue: https://github.com/systemd/systemd/issues/22002
|
|
# PR: https://github.com/systemd/systemd/pull/23289
|
|
check_domain() {
|
|
local domain="${1:?}"
|
|
local record="${2:?}"
|
|
local message="${3:?}"
|
|
local addr
|
|
|
|
for addr in "${DNS_ADDRESSES[@]}"; do
|
|
run_delv "@$addr" -t "$record" "$domain"
|
|
grep -qF "$message" "$RUN_OUT"
|
|
done
|
|
|
|
run_delv -t "$record" "$domain"
|
|
grep -qF "$message" "$RUN_OUT"
|
|
|
|
run resolvectl query "$domain"
|
|
grep -qF "authenticated: yes" "$RUN_OUT"
|
|
}
|
|
|
|
check_domain "dupe.signed.test" "A" "; fully validated"
|
|
check_domain "dupe.signed.test" "AAAA" "; negative response, fully validated"
|
|
check_domain "dupe-ipv6.signed.test" "AAAA" "; fully validated"
|
|
check_domain "dupe-ipv6.signed.test" "A" "; negative response, fully validated"
|
|
check_domain "dupe-mixed.signed.test" "A" "; fully validated"
|
|
check_domain "dupe-mixed.signed.test" "AAAA" "; fully validated"
|
|
|
|
# Test resolution of CNAME chains
|
|
TIMESTAMP=$(date '+%F %T')
|
|
run resolvectl query -t A cname-chain.signed.test
|
|
grep -qF "follow14.final.signed.test IN A 10.0.0.14" "$RUN_OUT"
|
|
grep -qF "authenticated: yes" "$RUN_OUT"
|
|
|
|
monitor_check_rr "$TIMESTAMP" "follow10.so.close.signed.test IN CNAME follow11.yet.so.far.signed.test"
|
|
monitor_check_rr "$TIMESTAMP" "follow11.yet.so.far.signed.test IN CNAME follow12.getting.hot.signed.test"
|
|
monitor_check_rr "$TIMESTAMP" "follow12.getting.hot.signed.test IN CNAME follow13.almost.final.signed.test"
|
|
monitor_check_rr "$TIMESTAMP" "follow13.almost.final.signed.test IN CNAME follow14.final.signed.test"
|
|
monitor_check_rr "$TIMESTAMP" "follow14.final.signed.test IN A 10.0.0.14"
|
|
|
|
# Non-existing RR + CNAME chain
|
|
#run dig +dnssec AAAA cname-chain.signed.test
|
|
#grep -qF "status: NOERROR" "$RUN_OUT"
|
|
#grep -qE "^follow14\.final\.signed\.test\..+IN\s+NSEC\s+" "$RUN_OUT"
|
|
|
|
|
|
: "--- ZONE: onlinesign.test (dynamic DNSSEC) ---"
|
|
# Check the trust chain (with and without systemd-resolved in between
|
|
# Issue: https://github.com/systemd/systemd/issues/22002
|
|
# PR: https://github.com/systemd/systemd/pull/23289
|
|
run_delv @ns1.unsigned.test sub.onlinesign.test
|
|
grep -qF "; fully validated" "$RUN_OUT"
|
|
run_delv sub.onlinesign.test
|
|
grep -qF "; fully validated" "$RUN_OUT"
|
|
|
|
run dig +short sub.onlinesign.test
|
|
grep -qF "10.0.0.133" "$RUN_OUT"
|
|
run resolvectl query sub.onlinesign.test
|
|
grep -qF "sub.onlinesign.test: 10.0.0.133" "$RUN_OUT"
|
|
grep -qF "authenticated: yes" "$RUN_OUT"
|
|
run dig @ns1.unsigned.test +short TXT onlinesign.test
|
|
grep -qF '"hello from onlinesign"' "$RUN_OUT"
|
|
run resolvectl query --legend=no -t TXT onlinesign.test
|
|
grep -qF 'onlinesign.test IN TXT "hello from onlinesign"' "$RUN_OUT"
|
|
|
|
for addr in "${DNS_ADDRESSES[@]}"; do
|
|
run_delv "@$addr" -t A dual.onlinesign.test
|
|
grep -qF "10.0.0.135" "$RUN_OUT"
|
|
run_delv "@$addr" -t AAAA dual.onlinesign.test
|
|
grep -qF "fd00:dead:beef:cafe::135" "$RUN_OUT"
|
|
run_delv "@$addr" -t ANY ipv6.onlinesign.test
|
|
grep -qF "fd00:dead:beef:cafe::136" "$RUN_OUT"
|
|
done
|
|
run resolvectl query dual.onlinesign.test
|
|
grep -qF "10.0.0.135" "$RUN_OUT"
|
|
grep -qF "fd00:dead:beef:cafe::135" "$RUN_OUT"
|
|
grep -qF "authenticated: yes" "$RUN_OUT"
|
|
run resolvectl query ipv6.onlinesign.test
|
|
grep -qF "fd00:dead:beef:cafe::136" "$RUN_OUT"
|
|
grep -qF "authenticated: yes" "$RUN_OUT"
|
|
|
|
# Check a non-existent domain
|
|
# Note: mod-onlinesign utilizes Minimally Covering NSEC Records, hence the
|
|
# different response than with "standard" DNSSEC
|
|
run dig +dnssec this.does.not.exist.onlinesign.test
|
|
grep -qF "status: NOERROR" "$RUN_OUT"
|
|
grep -qF "NSEC \\000.this.does.not.exist.onlinesign.test." "$RUN_OUT"
|
|
# Check a wildcard record
|
|
run resolvectl query -t TXT this.should.be.authenticated.wild.onlinesign.test
|
|
grep -qF 'this.should.be.authenticated.wild.onlinesign.test IN TXT "this is an onlinesign wildcard"' "$RUN_OUT"
|
|
grep -qF "authenticated: yes" "$RUN_OUT"
|
|
|
|
# Resolve via dbus method
|
|
TIMESTAMP=$(date '+%F %T')
|
|
run busctl call org.freedesktop.resolve1 /org/freedesktop/resolve1 org.freedesktop.resolve1.Manager ResolveHostname 'isit' 0 secondsub.onlinesign.test 0 0
|
|
grep -qF '10 0 0 134 "secondsub.onlinesign.test"' "$RUN_OUT"
|
|
monitor_check_rr "$TIMESTAMP" "secondsub.onlinesign.test IN A 10.0.0.134"
|
|
|
|
|
|
: "--- ZONE: untrusted.test (DNSSEC without propagated DS records) ---"
|
|
# Issue: https://github.com/systemd/systemd/issues/23955
|
|
# FIXME
|
|
resolvectl flush-caches
|
|
#run dig +short untrusted.test A untrusted.test AAAA
|
|
#grep -qF "10.0.0.121" "$RUN_OUT"
|
|
#grep -qF "fd00:dead:beef:cafe::121" "$RUN_OUT"
|
|
run resolvectl query untrusted.test
|
|
grep -qF "untrusted.test:" "$RUN_OUT"
|
|
grep -qF "10.0.0.121" "$RUN_OUT"
|
|
grep -qF "fd00:dead:beef:cafe::121" "$RUN_OUT"
|
|
grep -qF "authenticated: no" "$RUN_OUT"
|
|
run resolvectl service _mysvc._tcp untrusted.test
|
|
grep -qF "myservice.untrusted.test:1234" "$RUN_OUT"
|
|
grep -qF "10.0.0.123" "$RUN_OUT"
|
|
grep -qF "fd00:dead:beef:cafe::123" "$RUN_OUT"
|
|
|
|
# Issue: https://github.com/systemd/systemd/issues/19472
|
|
# 1) Query for a non-existing RR should return NOERROR + NSEC (?), not NXDOMAIN
|
|
# FIXME: re-enable once the issue is resolved
|
|
#run dig +dnssec AAAA untrusted.test
|
|
#grep -qF "status: NOERROR" "$RUN_OUT"
|
|
#grep -qE "^untrusted\.test\..+IN\s+NSEC\s+" "$RUN_OUT"
|
|
## 2) Query for a non-existing name should return NXDOMAIN, not SERVFAIL
|
|
#run dig +dnssec this.does.not.exist.untrusted.test
|
|
#grep -qF "status: NXDOMAIN" "$RUN_OUT"
|
|
|
|
: "--- ZONE: forwarded.test (queries forwarded to our dummy test server) ---"
|
|
JOURNAL_CURSOR="$(mktemp)"
|
|
journalctl -n0 -q --cursor-file="$JOURNAL_CURSOR"
|
|
|
|
# See "test-resolved-dummy-server.c" for the server part
|
|
(! run resolvectl query nope.forwarded.test)
|
|
grep -qF "nope.forwarded.test" "$RUN_OUT"
|
|
grep -qF "not found" "$RUN_OUT"
|
|
|
|
# SERVFAIL + EDE code 6: DNSSEC Bogus
|
|
(! run resolvectl query edns-bogus-dnssec.forwarded.test)
|
|
grep -qE "^edns-bogus-dnssec.forwarded.test:.+: upstream-failure \(DNSSEC Bogus\)" "$RUN_OUT"
|
|
# Same thing, but over Varlink
|
|
(! run varlinkctl call /run/systemd/resolve/io.systemd.Resolve io.systemd.Resolve.ResolveHostname '{"name" : "edns-bogus-dnssec.forwarded.test"}')
|
|
grep -qF "io.systemd.Resolve.DNSSECValidationFailed" "$RUN_OUT"
|
|
grep -qF '{"result":"upstream-failure","extendedDNSErrorCode":6}' "$RUN_OUT"
|
|
journalctl --sync
|
|
journalctl -u systemd-resolved.service --cursor-file="$JOURNAL_CURSOR" --grep "Server returned error: SERVFAIL \(DNSSEC Bogus\). Lookup failed."
|
|
|
|
# SERVFAIL + EDE code 16: Censored + extra text
|
|
(! run resolvectl query edns-extra-text.forwarded.test)
|
|
grep -qE "^edns-extra-text.forwarded.test.+: SERVFAIL \(Censored: Nothing to see here!\)" "$RUN_OUT"
|
|
(! run varlinkctl call /run/systemd/resolve/io.systemd.Resolve io.systemd.Resolve.ResolveHostname '{"name" : "edns-extra-text.forwarded.test"}')
|
|
grep -qF "io.systemd.Resolve.DNSError" "$RUN_OUT"
|
|
grep -qF '{"rcode":2,"extendedDNSErrorCode":16,"extendedDNSErrorMessage":"Nothing to see here!"}' "$RUN_OUT"
|
|
journalctl --sync
|
|
journalctl -u systemd-resolved.service --cursor-file="$JOURNAL_CURSOR" --grep "Server returned error: SERVFAIL \(Censored: Nothing to see here!\)"
|
|
|
|
# SERVFAIL + EDE code 0: Other + extra text
|
|
(! run resolvectl query edns-code-zero.forwarded.test)
|
|
grep -qE "^edns-code-zero.forwarded.test:.+: SERVFAIL \(Other: 🐱\)" "$RUN_OUT"
|
|
(! run varlinkctl call /run/systemd/resolve/io.systemd.Resolve io.systemd.Resolve.ResolveHostname '{"name" : "edns-code-zero.forwarded.test"}')
|
|
grep -qF "io.systemd.Resolve.DNSError" "$RUN_OUT"
|
|
grep -qF '{"rcode":2,"extendedDNSErrorCode":0,"extendedDNSErrorMessage":"🐱"}' "$RUN_OUT"
|
|
journalctl --sync
|
|
journalctl -u systemd-resolved.service --cursor-file="$JOURNAL_CURSOR" --grep "Server returned error: SERVFAIL \(Other: 🐱\)"
|
|
|
|
# SERVFAIL + invalid EDE code
|
|
(! run resolvectl query edns-invalid-code.forwarded.test)
|
|
grep -qE "^edns-invalid-code.forwarded.test:.+: SERVFAIL \([0-9]+\)" "$RUN_OUT"
|
|
(! run varlinkctl call /run/systemd/resolve/io.systemd.Resolve io.systemd.Resolve.ResolveHostname '{"name" : "edns-invalid-code.forwarded.test"}')
|
|
grep -qF "io.systemd.Resolve.DNSError" "$RUN_OUT"
|
|
grep -qE '{"rcode":2,"extendedDNSErrorCode":[0-9]+}' "$RUN_OUT"
|
|
journalctl --sync
|
|
journalctl -u systemd-resolved.service --cursor-file="$JOURNAL_CURSOR" --grep "Server returned error: SERVFAIL \(\d+\)"
|
|
|
|
# SERVFAIL + invalid EDE code + extra text
|
|
(! run resolvectl query edns-invalid-code-with-extra-text.forwarded.test)
|
|
grep -qE '^edns-invalid-code-with-extra-text.forwarded.test:.+: SERVFAIL \([0-9]+: Hello \[#\]\$%~ World\)' "$RUN_OUT"
|
|
(! run varlinkctl call /run/systemd/resolve/io.systemd.Resolve io.systemd.Resolve.ResolveHostname '{"name" : "edns-invalid-code-with-extra-text.forwarded.test"}')
|
|
grep -qF "io.systemd.Resolve.DNSError" "$RUN_OUT"
|
|
grep -qE '{"rcode":2,"extendedDNSErrorCode":[0-9]+,"extendedDNSErrorMessage":"Hello \[#\]\$%~ World"}' "$RUN_OUT"
|
|
journalctl --sync
|
|
journalctl -u systemd-resolved.service --cursor-file="$JOURNAL_CURSOR" --grep "Server returned error: SERVFAIL \(\d+: Hello \[\#\]\\$%~ World\)"
|
|
|
|
### Test resolvectl show-cache
|
|
run resolvectl show-cache
|
|
run resolvectl show-cache --json=short
|
|
run resolvectl show-cache --json=pretty
|
|
|
|
# Issue: https://github.com/systemd/systemd/issues/29580 (part #1)
|
|
dig @127.0.0.54 signed.test
|
|
|
|
systemctl stop resolvectl-monitor.service
|
|
systemctl stop resolvectl-monitor-json.service
|
|
|
|
# Issue: https://github.com/systemd/systemd/issues/29580 (part #2)
|
|
#
|
|
# Check for any warnings regarding malformed messages
|
|
(! journalctl -u resolvectl-monitor.service -u reseolvectl-monitor-json.service -p warning --grep malformed)
|
|
# Verify that all queries recorded by `resolvectl monitor --json` produced a valid JSON
|
|
# with expected fields
|
|
journalctl -p info -o cat _SYSTEMD_UNIT="resolvectl-monitor-json.service" | while read -r line; do
|
|
# Check that both "question" and "answer" fields are arrays
|
|
#
|
|
# The expression is slightly more complicated due to the fact that the "answer" field is optional,
|
|
# so we need to select it only if it's present, otherwise the type == "array" check would fail
|
|
echo "$line" | jq -e '[. | .question, (select(has("answer")) | .answer) | type == "array"] | all'
|
|
done
|
|
|
|
# Test serve stale feature and NFTSet= if nftables is installed
|
|
if command -v nft >/dev/null; then
|
|
### Test without serve stale feature ###
|
|
NFT_FILTER_NAME=dns_port_filter
|
|
|
|
drop_dns_outbound_traffic() {
|
|
nft add table inet $NFT_FILTER_NAME
|
|
nft add chain inet $NFT_FILTER_NAME output \{ type filter hook output priority 0 \; \}
|
|
nft add rule inet $NFT_FILTER_NAME output ip daddr 10.0.0.1 udp dport 53 drop
|
|
nft add rule inet $NFT_FILTER_NAME output ip daddr 10.0.0.1 tcp dport 53 drop
|
|
nft add rule inet $NFT_FILTER_NAME output ip6 daddr fd00:dead:beef:cafe::1 udp dport 53 drop
|
|
nft add rule inet $NFT_FILTER_NAME output ip6 daddr fd00:dead:beef:cafe::1 tcp dport 53 drop
|
|
}
|
|
|
|
run dig stale1.unsigned.test -t A
|
|
grep -qE "NOERROR" "$RUN_OUT"
|
|
sleep 2
|
|
drop_dns_outbound_traffic
|
|
set +e
|
|
# Make sure we give sd-resolved enough time to timeout (5-10s) before giving up
|
|
# See: https://github.com/systemd/systemd/issues/31639#issuecomment-2009152617
|
|
run dig +tries=1 +timeout=15 stale1.unsigned.test -t A
|
|
set -eux
|
|
grep -qE "no servers could be reached" "$RUN_OUT"
|
|
nft flush ruleset
|
|
|
|
### Test TIMEOUT with serve stale feature ###
|
|
|
|
mkdir -p /run/systemd/resolved.conf.d
|
|
{
|
|
echo "[Resolve]"
|
|
echo "StaleRetentionSec=1d"
|
|
} >/run/systemd/resolved.conf.d/test.conf
|
|
ln -svf /run/systemd/resolve/stub-resolv.conf /etc/resolv.conf
|
|
systemctl reload systemd-resolved.service
|
|
|
|
run dig stale1.unsigned.test -t A
|
|
grep -qE "NOERROR" "$RUN_OUT"
|
|
sleep 2
|
|
drop_dns_outbound_traffic
|
|
# Make sure we give sd-resolved enough time to timeout (5-10s) and serve the stale data (see above)
|
|
run dig +tries=1 +timeout=15 stale1.unsigned.test -t A
|
|
grep -qE "NOERROR" "$RUN_OUT"
|
|
grep -qE "10.0.0.112" "$RUN_OUT"
|
|
|
|
nft flush ruleset
|
|
|
|
### Test NXDOMAIN with serve stale feature ###
|
|
# NXDOMAIN response should replace the cache with NXDOMAIN response
|
|
run dig stale1.unsigned.test -t A
|
|
grep -qE "NOERROR" "$RUN_OUT"
|
|
# Delete stale1 record from zone
|
|
knotc zone-begin unsigned.test
|
|
knotc zone-unset unsigned.test stale1 A
|
|
knotc zone-commit unsigned.test
|
|
knotc reload
|
|
sleep 2
|
|
run dig stale1.unsigned.test -t A
|
|
grep -qE "NXDOMAIN" "$RUN_OUT"
|
|
|
|
nft flush ruleset
|
|
|
|
### NFTSet= test
|
|
nft add table inet sd_test
|
|
nft add set inet sd_test c '{ type cgroupsv2; }'
|
|
nft add set inet sd_test u '{ typeof meta skuid; }'
|
|
nft add set inet sd_test g '{ typeof meta skgid; }'
|
|
|
|
# service
|
|
systemd-run --unit test-nft.service --service-type=exec -p DynamicUser=yes \
|
|
-p 'NFTSet=cgroup:inet:sd_test:c user:inet:sd_test:u group:inet:sd_test:g' sleep 10000
|
|
run nft list set inet sd_test c
|
|
grep -qF "test-nft.service" "$RUN_OUT"
|
|
uid=$(getent passwd test-nft | cut -d':' -f3)
|
|
run nft list set inet sd_test u
|
|
grep -qF "$uid" "$RUN_OUT"
|
|
gid=$(getent passwd test-nft | cut -d':' -f4)
|
|
run nft list set inet sd_test g
|
|
grep -qF "$gid" "$RUN_OUT"
|
|
systemctl stop test-nft.service
|
|
|
|
# scope
|
|
run systemd-run --scope -u test-nft.scope -p 'NFTSet=cgroup:inet:sd_test:c' nft list set inet sd_test c
|
|
grep -qF "test-nft.scope" "$RUN_OUT"
|
|
|
|
mkdir -p /run/systemd/system
|
|
# socket
|
|
{
|
|
echo "[Socket]"
|
|
echo "ListenStream=12345"
|
|
echo "BindToDevice=lo"
|
|
echo "NFTSet=cgroup:inet:sd_test:c"
|
|
} >/run/systemd/system/test-nft.socket
|
|
{
|
|
echo "[Service]"
|
|
echo "ExecStart=/usr/bin/sleep 10000"
|
|
} >/run/systemd/system/test-nft.service
|
|
systemctl daemon-reload
|
|
systemctl start test-nft.socket
|
|
systemctl status test-nft.socket
|
|
run nft list set inet sd_test c
|
|
grep -qF "test-nft.socket" "$RUN_OUT"
|
|
systemctl stop test-nft.socket
|
|
rm -f /run/systemd/system/test-nft.{socket,service}
|
|
|
|
# slice
|
|
mkdir /run/systemd/system/system.slice.d
|
|
{
|
|
echo "[Slice]"
|
|
echo "NFTSet=cgroup:inet:sd_test:c"
|
|
} >/run/systemd/system/system.slice.d/00-test-nft.conf
|
|
systemctl daemon-reload
|
|
run nft list set inet sd_test c
|
|
grep -qF "system.slice" "$RUN_OUT"
|
|
rm -rf /run/systemd/system/system.slice.d
|
|
|
|
nft flush ruleset
|
|
else
|
|
echo "nftables is not installed. Skipped serve stale feature and NFTSet= tests."
|
|
fi
|
|
|
|
### Test resolvectl show-server-state ###
|
|
run resolvectl show-server-state
|
|
grep -qF "10.0.0.1" "$RUN_OUT"
|
|
grep -qF "Interface" "$RUN_OUT"
|
|
|
|
run resolvectl show-server-state --json=short
|
|
grep -qF "10.0.0.1" "$RUN_OUT"
|
|
grep -qF "Interface" "$RUN_OUT"
|
|
|
|
run resolvectl show-server-state --json=pretty
|
|
grep -qF "10.0.0.1" "$RUN_OUT"
|
|
grep -qF "Interface" "$RUN_OUT"
|
|
|
|
### Test resolvectl statistics ###
|
|
run resolvectl statistics
|
|
grep -qF "Transactions" "$RUN_OUT"
|
|
grep -qF "Cache" "$RUN_OUT"
|
|
grep -qF "Failure Transactions" "$RUN_OUT"
|
|
grep -qF "DNSSEC Verdicts" "$RUN_OUT"
|
|
|
|
run resolvectl statistics --json=short
|
|
grep -qF "transactions" "$RUN_OUT"
|
|
grep -qF "cache" "$RUN_OUT"
|
|
grep -qF "dnssec" "$RUN_OUT"
|
|
|
|
run resolvectl statistics --json=pretty
|
|
grep -qF "transactions" "$RUN_OUT"
|
|
grep -qF "cache" "$RUN_OUT"
|
|
grep -qF "dnssec" "$RUN_OUT"
|
|
|
|
### Test resolvectl reset-statistics ###
|
|
run resolvectl reset-statistics
|
|
|
|
run resolvectl reset-statistics --json=pretty
|
|
|
|
run resolvectl reset-statistics --json=short
|
|
|
|
test "$(resolvectl --json=short query -t AAAA localhost)" == '{"key":{"class":1,"type":28,"name":"localhost"},"address":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1]}'
|
|
test "$(resolvectl --json=short query -t A localhost)" == '{"key":{"class":1,"type":1,"name":"localhost"},"address":[127,0,0,1]}'
|
|
|
|
# Test ResolveRecord RR resolving via Varlink
|
|
test "$(varlinkctl call /run/systemd/resolve/io.systemd.Resolve io.systemd.Resolve.ResolveRecord '{"name":"localhost","type":1}' --json=short | jq -rc 'del(.rrs | .[] | .ifindex)')" == '{"rrs":[{"rr":{"key":{"class":1,"type":1,"name":"localhost"},"address":[127,0,0,1]},"raw":"CWxvY2FsaG9zdAAAAQABAAAAAAAEfwAAAQ=="}],"flags":786945}'
|
|
test "$(varlinkctl call /run/systemd/resolve/io.systemd.Resolve io.systemd.Resolve.ResolveRecord '{"name":"localhost","type":28}' --json=short | jq -rc 'del(.rrs | .[] | .ifindex)')" == '{"rrs":[{"rr":{"key":{"class":1,"type":28,"name":"localhost"},"address":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1]},"raw":"CWxvY2FsaG9zdAAAHAABAAAAAAAQAAAAAAAAAAAAAAAAAAAAAQ=="}],"flags":786945}'
|
|
|
|
# Ensure that reloading keeps the manually configured address
|
|
{
|
|
echo "[Resolve]"
|
|
echo "DNS=8.8.8.8"
|
|
} >/run/systemd/resolved.conf.d/reload.conf
|
|
resolvectl dns dns0 1.1.1.1
|
|
systemctl reload systemd-resolved.service
|
|
resolvectl status
|
|
resolvectl dns dns0 | grep -qF "1.1.1.1"
|
|
# For some reason piping this last command to grep fails with:
|
|
# 'resolvectl[1378]: Failed to print table: Broken pipe'
|
|
# so use an intermediate file in /tmp/
|
|
resolvectl >/tmp/output
|
|
grep -qF "DNS Servers: 8.8.8.8" /tmp/output
|
|
|
|
# Check if resolved exits cleanly.
|
|
restart_resolved
|
|
|
|
touch /testok
|