From 19f4f86bfed21c5326ed2acebe1163f3a83e832b Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 6 May 2024 04:25:50 +0200
Subject: Adding upstream version 241.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 test/TEST-20-MAINPIDGAMES/Makefile     |   1 +
 test/TEST-20-MAINPIDGAMES/test.sh      |  50 ++++++++++++
 test/TEST-20-MAINPIDGAMES/testsuite.sh | 141 +++++++++++++++++++++++++++++++++
 3 files changed, 192 insertions(+)
 create mode 120000 test/TEST-20-MAINPIDGAMES/Makefile
 create mode 100755 test/TEST-20-MAINPIDGAMES/test.sh
 create mode 100755 test/TEST-20-MAINPIDGAMES/testsuite.sh

(limited to 'test/TEST-20-MAINPIDGAMES')

diff --git a/test/TEST-20-MAINPIDGAMES/Makefile b/test/TEST-20-MAINPIDGAMES/Makefile
new file mode 120000
index 0000000..e9f93b1
--- /dev/null
+++ b/test/TEST-20-MAINPIDGAMES/Makefile
@@ -0,0 +1 @@
+../TEST-01-BASIC/Makefile
\ No newline at end of file
diff --git a/test/TEST-20-MAINPIDGAMES/test.sh b/test/TEST-20-MAINPIDGAMES/test.sh
new file mode 100755
index 0000000..4ec8081
--- /dev/null
+++ b/test/TEST-20-MAINPIDGAMES/test.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+set -e
+TEST_DESCRIPTION="test changing main PID"
+
+. $TEST_BASE_DIR/test-functions
+
+test_setup() {
+    create_empty_image
+    mkdir -p $TESTDIR/root
+    mount ${LOOPDEV}p1 $TESTDIR/root
+
+    (
+        LOG_LEVEL=5
+        eval $(udevadm info --export --query=env --name=${LOOPDEV}p2)
+
+        setup_basic_environment
+
+        # mask some services that we do not want to run in these tests
+        ln -fs /dev/null $initdir/etc/systemd/system/systemd-hwdb-update.service
+        ln -fs /dev/null $initdir/etc/systemd/system/systemd-journal-catalog-update.service
+        ln -fs /dev/null $initdir/etc/systemd/system/systemd-networkd.service
+        ln -fs /dev/null $initdir/etc/systemd/system/systemd-networkd.socket
+        ln -fs /dev/null $initdir/etc/systemd/system/systemd-resolved.service
+        ln -fs /dev/null $initdir/etc/systemd/system/systemd-machined.service
+
+        # setup the testsuite service
+        cat >$initdir/etc/systemd/system/testsuite.service <<EOF
+[Unit]
+Description=Testsuite service
+
+[Service]
+ExecStart=/bin/bash -x /testsuite.sh
+Type=oneshot
+StandardOutput=tty
+StandardError=tty
+NotifyAccess=all
+EOF
+        cp testsuite.sh $initdir/
+
+        setup_testsuite
+    ) || return 1
+    setup_nspawn_root
+
+    ddebug "umount $TESTDIR/root"
+    umount $TESTDIR/root
+}
+
+do_test "$@"
diff --git a/test/TEST-20-MAINPIDGAMES/testsuite.sh b/test/TEST-20-MAINPIDGAMES/testsuite.sh
new file mode 100755
index 0000000..0e1a116
--- /dev/null
+++ b/test/TEST-20-MAINPIDGAMES/testsuite.sh
@@ -0,0 +1,141 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+set -ex
+set -o pipefail
+
+systemd-analyze set-log-level debug
+systemd-analyze set-log-target console
+
+test `systemctl show -p MainPID --value testsuite.service` -eq $$
+
+# Start a test process inside of our own cgroup
+sleep infinity &
+INTERNALPID=$!
+disown
+
+# Start a test process outside of our own cgroup
+systemd-run -p DynamicUser=1 --unit=sleep.service /bin/sleep infinity
+EXTERNALPID=`systemctl show -p MainPID --value sleep.service`
+
+# Update our own main PID to the external test PID, this should work
+systemd-notify MAINPID=$EXTERNALPID
+test `systemctl show -p MainPID --value testsuite.service` -eq $EXTERNALPID
+
+# Update our own main PID to the internal test PID, this should work, too
+systemd-notify MAINPID=$INTERNALPID
+test `systemctl show -p MainPID --value testsuite.service` -eq $INTERNALPID
+
+# Update it back to our own PID, this should also work
+systemd-notify MAINPID=$$
+test `systemctl show -p MainPID --value testsuite.service` -eq $$
+
+# Try to set it to PID 1, which it should ignore, because that's the manager
+systemd-notify MAINPID=1
+test `systemctl show -p MainPID --value testsuite.service` -eq $$
+
+# Try to set it to PID 0, which is invalid and should be ignored
+systemd-notify MAINPID=0
+test `systemctl show -p MainPID --value testsuite.service` -eq $$
+
+# Try to set it to a valid but non-existing PID, which should be ignored. (Note
+# that we set the PID to a value well above any known /proc/sys/kernel/pid_max,
+# which means we can be pretty sure it doesn't exist by coincidence)
+systemd-notify MAINPID=1073741824
+test `systemctl show -p MainPID --value testsuite.service` -eq $$
+
+# Change it again to the external PID, without priviliges 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 --value testsuite.service` -eq $$
+
+# Change it again to the internal PID, without priviliges this time. This should work, as the process is on our cgroup, and that's enough even if we lack privileges.
+systemd-notify --uid=1000 MAINPID=$INTERNALPID
+test `systemctl show -p MainPID --value testsuite.service` -eq $INTERNALPID
+
+# Update it back to our own PID, this should also work
+systemd-notify --uid=1000 MAINPID=$$
+test `systemctl show -p MainPID --value testsuite.service` -eq $$
+
+cat >/tmp/mainpid.sh <<EOF
+#!/bin/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/mainpid.sh
+
+systemd-run --unit=mainpidsh.service -p StandardOutput=tty -p StandardError=tty -p Type=forking -p RuntimeDirectory=mainpidsh -p PIDFile=/run/mainpidsh/pid /tmp/mainpid.sh
+test `systemctl show -p MainPID --value mainpidsh.service` -eq `cat /run/mainpidsh/pid`
+
+cat >/tmp/mainpid2.sh <<EOF
+#!/bin/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/mainpid2.sh
+
+systemd-run --unit=mainpidsh2.service -p StandardOutput=tty -p StandardError=tty -p Type=forking -p RuntimeDirectory=mainpidsh2 -p PIDFile=/run/mainpidsh2/pid /tmp/mainpid2.sh
+test `systemctl show -p MainPID --value mainpidsh2.service` -eq `cat /run/mainpidsh2/pid`
+
+cat >/dev/shm/mainpid3.sh <<EOF
+#!/bin/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/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=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/mainpid3.sh
+
+# Test that this failed due to timeout, and not some other error
+test `systemctl show -p Result --value mainpidsh3.service` = timeout
+
+systemd-analyze set-log-level info
+
+echo OK > /testok
+
+exit 0
-- 
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