| #!/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 |