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Add ifdown service

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Add a service file and helper script to shut down all network interfaces
during shutdown or reboot.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
This commit is contained in:
David Oberhollenzer 2018-07-17 18:02:46 +02:00
parent 7097830f8f
commit 258848ace2
7 changed files with 40 additions and 3 deletions
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1
.gitignore vendored
View file

@ -30,6 +30,7 @@ services/procfs
services/sysfs
services/ifrename
services/ifcfg
services/ifdown
scripts/devfs.sh
scripts/ifrename.sh

2
Makefile.am
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@ -37,12 +37,14 @@ install-data-local:
$(LN_S) $(TEMPLATEDIR)/vfs $(DESTDIR)$(SVCDIR)/vfs
$(LN_S) $(TEMPLATEDIR)/shutdown $(DESTDIR)$(SVCDIR)/shutdown
$(LN_S) $(TEMPLATEDIR)/reboot $(DESTDIR)$(SVCDIR)/reboot
$(LN_S) $(TEMPLATEDIR)/ifdown $(DESTDIR)$(SVCDIR)/ifdown@shutdown
$(LN_S) $(TEMPLATEDIR)/sync $(DESTDIR)$(SVCDIR)/sync@shutdown
$(LN_S) $(TEMPLATEDIR)/sigkill $(DESTDIR)$(SVCDIR)/sigkill@shutdown
$(LN_S) $(TEMPLATEDIR)/sigterm $(DESTDIR)$(SVCDIR)/sigterm@shutdown
$(LN_S) $(TEMPLATEDIR)/sync $(DESTDIR)$(SVCDIR)/sync@reboot
$(LN_S) $(TEMPLATEDIR)/sigkill $(DESTDIR)$(SVCDIR)/sigkill@reboot
$(LN_S) $(TEMPLATEDIR)/sigterm $(DESTDIR)$(SVCDIR)/sigterm@reboot
$(LN_S) $(TEMPLATEDIR)/ifdown $(DESTDIR)$(SVCDIR)/ifdown@reboot
$(LN_S) $(TEMPLATEDIR)/ifcfg $(DESTDIR)$(SVCDIR)/ifcfg
if USYSLOGD
$(LN_S) $(TEMPLATEDIR)/usyslogd $(DESTDIR)$(SVCDIR)/usyslogd

1
configure.ac
View file

@ -64,6 +64,7 @@ AC_CONFIG_FILES([services/devfs])
AC_CONFIG_FILES([services/procfs])
AC_CONFIG_FILES([services/ifrename])
AC_CONFIG_FILES([services/ifcfg])
AC_CONFIG_FILES([services/ifdown])
AC_CONFIG_FILES([scripts/devfs.sh])
AC_CONFIG_FILES([scripts/ifrename.sh])
AC_CONFIG_FILES([scripts/ifcfg.sh])

4
scripts/Makemodule.am
View file

@ -1,4 +1,4 @@
helper_SCRIPTS += scripts/devfs.sh scripts/trymount.sh scripts/ifrename.sh
helper_SCRIPTS += scripts/ifcfg.sh
helper_SCRIPTS += scripts/ifcfg.sh scripts/ifdown.sh
EXTRA_DIST += scripts/trymount.sh
EXTRA_DIST += scripts/trymount.sh scripts/ifdown.sh

26
scripts/ifdown.sh Normal file
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@ -0,0 +1,26 @@
#!/bin/sh
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
# Copyright (C) 2018 - David Oberhollenzer
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
for IFPATH in /sys/class/net/*; do
[ "$IFPATH" == "/sys/class/net/lo" ] && continue
IF=`basename $IFPATH`
ip link set dev "$IF" down
done

2
services/Makemodule.am
View file

@ -6,7 +6,7 @@ init_DATA += services/sigterm services/sync services/devfs
init_DATA += services/sysfs services/procfs services/tmpfs
init_DATA += services/vfs services/ifrename services/ifcfg
init_DATA += services/dhcpcd services/dhcpcdmaster services/unbound
init_DATA += services/dnsmasq
init_DATA += services/dnsmasq services/ifdown
if USYSLOGD
init_DATA += services/usyslogd

7
services/ifdown.in Normal file
View file

@ -0,0 +1,7 @@
description "stop all network interfaces"
type wait
target %0
after sigkill sigterm
before sync
exec "@SCRIPTDIR@/ifdown.sh"