mirror of
https://gitlab.com/shorewall/code.git
synced 2024-11-30 03:23:47 +01:00
61 lines
1.5 KiB
Bash
Executable File
61 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# Shorewall interface helper utility - V4.2
|
|
#
|
|
# (c) 2007,2014 - Tom Eastep (teastep@shorewall.net)
|
|
#
|
|
# This file is installed in /usr/share/shorewall/wait4ifup
|
|
#
|
|
# Shorewall documentation is available at http://www.shorewall.net
|
|
#
|
|
# This program is part of Shorewall.
|
|
#
|
|
# 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 2 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 <http://www.gnu.org/licenses/>.
|
|
#
|
|
# If an error occurs while starting or restarting the firewall, the
|
|
# firewall is automatically stopped.
|
|
#
|
|
# The firewall uses configuration files in /etc/shorewall/ - skeleton
|
|
# files is included with the firewall.
|
|
#
|
|
# wait4ifup <interface> [ <seconds to wait> ]
|
|
#
|
|
|
|
interface_is_up() {
|
|
[ -n "$(/sbin/ip link list dev $1 2> /dev/null | /bin/grep -e '[<,]UP[,>]')" ]
|
|
}
|
|
|
|
case $# in
|
|
1)
|
|
timeout=60
|
|
;;
|
|
2)
|
|
timeout=$2
|
|
;;
|
|
*)
|
|
echo "usage: $(basename $0) <interface> [ <timeout> ]"
|
|
exit 2
|
|
;;
|
|
esac
|
|
|
|
while [ $timeout -gt 0 ]; do
|
|
interface_is_up $1 && exit 0
|
|
/bin/sleep 1
|
|
timeout=$(( $timeout - 1 ))
|
|
done
|
|
|
|
exit 1
|
|
|
|
|