tests: add test for #3171 (#3206)

Makefile.am

@@ -5844,6 +5844,8 @@ EXTRA_DIST += \
 	test/TEST-10-ISSUE-2467/test.sh \
 	test/TEST-11-ISSUE-3166/Makefile \
 	test/TEST-11-ISSUE-3166/test.sh \
+	test/TEST-12-ISSUE-3171/Makefile \
+	test/TEST-12-ISSUE-3171/test.sh \
 	test/test-functions
 
 EXTRA_DIST += \

test/TEST-12-ISSUE-3171/Makefile

@@ -0,0 +1 @@
+../TEST-01-BASIC/Makefile

test/TEST-12-ISSUE-3171/test.sh

@@ -0,0 +1,106 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+TEST_DESCRIPTION="https://github.com/systemd/systemd/issues/3171"
+
+. $TEST_BASE_DIR/test-functions
+
+test_run() {
+    run_nspawn || return 1
+    check_result_nspawn || return 1
+    return 0
+}
+
+test_setup() {
+    create_empty_image
+    mkdir -p $TESTDIR/root
+    mount ${LOOPDEV}p1 $TESTDIR/root
+
+    # Create what will eventually be our root filesystem onto an overlay
+    (
+        LOG_LEVEL=5
+        eval $(udevadm info --export --query=env --name=${LOOPDEV}p2)
+
+        setup_basic_environment
+        dracut_install cat mv stat nc
+
+        # setup the testsuite service
+        cat >$initdir/etc/systemd/system/testsuite.service <<EOF
+[Unit]
+Description=Testsuite service
+After=multi-user.target
+
+[Service]
+ExecStart=/test-socket-group.sh
+Type=oneshot
+EOF
+
+
+        cat >$initdir/test-socket-group.sh <<'EOF'
+#!/bin/bash
+set -x
+set -e
+set -o pipefail
+
+U=/run/systemd/system/test.socket
+cat <<'EOL' >$U
+[Unit]
+Description=Test socket
+[Socket]
+Accept=yes
+ListenStream=/run/test.socket
+SocketGroup=adm
+SocketMode=0660
+EOL
+
+cat <<'EOL' > /run/systemd/system/test@.service
+[Unit]
+Description=Test service
+[Service]
+StandardInput=socket
+ExecStart=/bin/sh -x -c cat
+EOL
+
+systemctl start test.socket
+systemctl is-active test.socket
+[[ "$(stat --format='%G' /run/test.socket)" == adm ]]
+echo A | nc -U /run/test.socket
+
+mv $U ${U}.disabled
+systemctl daemon-reload
+systemctl is-active test.socket
+[[ "$(stat --format='%G' /run/test.socket)" == adm ]]
+echo B | nc -U /run/test.socket && exit 1
+
+mv ${U}.disabled $U
+systemctl daemon-reload
+systemctl is-active test.socket
+echo C | nc -U /run/test.socket && exit 1
+[[ "$(stat --format='%G' /run/test.socket)" == adm ]]
+
+systemctl restart test.socket
+systemctl is-active test.socket
+echo D | nc -U /run/test.socket
+[[ "$(stat --format='%G' /run/test.socket)" == adm ]]
+
+
+touch /testok
+EOF
+
+        chmod 0755 $initdir/test-socket-group.sh
+        setup_testsuite
+    ) || return 1
+
+    setup_nspawn_root
+
+    ddebug "umount $TESTDIR/root"
+    umount $TESTDIR/root
+}
+
+test_cleanup() {
+    umount $TESTDIR/root 2>/dev/null
+    [[ $LOOPDEV ]] && losetup -d $LOOPDEV
+    return 0
+}
+
+do_test "$@"