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Diffstat (limited to '')
-rwxr-xr-x | test/TEST-20-MAINPIDGAMES/testsuite.sh | 141 |
1 files changed, 141 insertions, 0 deletions
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 |