From 2cb7e0aaedad73b076ea18c6900b0e86c5760d79 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 15:00:47 +0200
Subject: Adding upstream version 247.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 test/units/testsuite-20.sh | 139 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100755 test/units/testsuite-20.sh

(limited to 'test/units/testsuite-20.sh')

diff --git a/test/units/testsuite-20.sh b/test/units/testsuite-20.sh
new file mode 100755
index 0000000..d94f6b2
--- /dev/null
+++ b/test/units/testsuite-20.sh
@@ -0,0 +1,139 @@
+#!/usr/bin/env bash
+set -ex
+set -o pipefail
+
+systemd-analyze log-level debug
+systemd-analyze log-target console
+
+test `systemctl show -P MainPID testsuite-20.service` -eq $$
+
+# Start a test process inside of our own cgroup
+sleep infinity &
+INTERNALPID=$!
+disown
+
+# Start a test process outside of our own cgroup
+systemd-run -p DynamicUser=1 --unit=test20-sleep.service /bin/sleep infinity
+EXTERNALPID=`systemctl show -P MainPID test20-sleep.service`
+
+# Update our own main PID to the external test PID, this should work
+systemd-notify MAINPID=$EXTERNALPID
+test `systemctl show -P MainPID testsuite-20.service` -eq $EXTERNALPID
+
+# Update our own main PID to the internal test PID, this should work, too
+systemd-notify MAINPID=$INTERNALPID
+test `systemctl show -P MainPID testsuite-20.service` -eq $INTERNALPID
+
+# Update it back to our own PID, this should also work
+systemd-notify MAINPID=$$
+test `systemctl show -P MainPID testsuite-20.service` -eq $$
+
+# Try to set it to PID 1, which it should ignore, because that's the manager
+systemd-notify MAINPID=1
+test `systemctl show -P MainPID testsuite-20.service` -eq $$
+
+# Try to set it to PID 0, which is invalid and should be ignored
+systemd-notify MAINPID=0
+test `systemctl show -P MainPID testsuite-20.service` -eq $$
+
+# Try to set it to a valid but non-existing PID, which should be ignored. (Note
+# that we set the PID to a value well above any known /proc/sys/kernel/pid_max,
+# which means we can be pretty sure it doesn't exist by coincidence)
+systemd-notify MAINPID=1073741824
+test `systemctl show -P MainPID testsuite-20.service` -eq $$
+
+# Change it again to the external PID, without privileges this time. This should be ignored, because the PID is from outside of our cgroup and we lack privileges.
+systemd-notify --uid=1000 MAINPID=$EXTERNALPID
+test `systemctl show -P MainPID testsuite-20.service` -eq $$
+
+# Change it again to the internal PID, without privileges this time. This should work, as the process is on our cgroup, and that's enough even if we lack privileges.
+systemd-notify --uid=1000 MAINPID=$INTERNALPID
+test `systemctl show -P MainPID testsuite-20.service` -eq $INTERNALPID
+
+# Update it back to our own PID, this should also work
+systemd-notify --uid=1000 MAINPID=$$
+test `systemctl show -P MainPID testsuite-20.service` -eq $$
+
+cat >/tmp/test20-mainpid.sh <<EOF
+#!/usr/bin/env bash
+
+set -eux
+set -o pipefail
+
+# Create a number of children, and make one the main one
+sleep infinity &
+disown
+
+sleep infinity &
+MAINPID=\$!
+disown
+
+sleep infinity &
+disown
+
+echo \$MAINPID > /run/mainpidsh/pid
+EOF
+chmod +x /tmp/test20-mainpid.sh
+
+systemd-run --unit=test20-mainpidsh.service -p StandardOutput=tty -p StandardError=tty -p Type=forking -p RuntimeDirectory=mainpidsh -p PIDFile=/run/mainpidsh/pid /tmp/test20-mainpid.sh
+test `systemctl show -P MainPID test20-mainpidsh.service` -eq `cat /run/mainpidsh/pid`
+
+cat >/tmp/test20-mainpid2.sh <<EOF
+#!/usr/bin/env bash
+
+set -eux
+set -o pipefail
+
+# Create a number of children, and make one the main one
+sleep infinity &
+disown
+
+sleep infinity &
+MAINPID=\$!
+disown
+
+sleep infinity &
+disown
+
+echo \$MAINPID > /run/mainpidsh2/pid
+chown 1001:1001 /run/mainpidsh2/pid
+EOF
+chmod +x /tmp/test20-mainpid2.sh
+
+systemd-run --unit=test20-mainpidsh2.service -p StandardOutput=tty -p StandardError=tty -p Type=forking -p RuntimeDirectory=mainpidsh2 -p PIDFile=/run/mainpidsh2/pid /tmp/test20-mainpid2.sh
+test `systemctl show -P MainPID test20-mainpidsh2.service` -eq `cat /run/mainpidsh2/pid`
+
+cat >/dev/shm/test20-mainpid3.sh <<EOF
+#!/usr/bin/env bash
+
+set -eux
+set -o pipefail
+
+sleep infinity &
+disown
+
+sleep infinity &
+disown
+
+sleep infinity &
+disown
+
+# Let's try to play games, and link up a privileged PID file
+ln -s ../mainpidsh/pid /run/mainpidsh3/pid
+
+# Quick assertion that the link isn't dead
+test -f /run/mainpidsh3/pid
+EOF
+chmod 755 /dev/shm/test20-mainpid3.sh
+
+# This has to fail, as we shouldn't accept the dangerous PID file, and then inotify-wait on it to be corrected which we never do
+! systemd-run --unit=test20-mainpidsh3.service -p StandardOutput=tty -p StandardError=tty -p Type=forking -p RuntimeDirectory=mainpidsh3 -p PIDFile=/run/mainpidsh3/pid -p DynamicUser=1 -p TimeoutStartSec=2s /dev/shm/test20-mainpid3.sh
+
+# Test that this failed due to timeout, and not some other error
+test `systemctl show -P Result test20-mainpidsh3.service` = timeout
+
+systemd-analyze log-level info
+
+echo OK > /testok
+
+exit 0
-- 
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