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be924ff765
Also removes deprecated Shorewall6/configfiles/masq Signed-off-by: Tuomo Soini <tis@foobar.fi> Signed-off-by: Tom Eastep <teastep@shorewall.net>
61 lines
1.5 KiB
Bash
Executable File
61 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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#
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# Shorewall interface helper utility - V5.2
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#
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# (c) 2007,2014 - Tom Eastep (teastep@shorewall.net)
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#
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# This file is installed in /usr/share/shorewall/wait4ifup
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#
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# Shorewall documentation is available at https://shorewall.org
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#
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# This program is part of Shorewall.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by the
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# Free Software Foundation, either version 2 of the license or, at your
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# option, any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, see <http://www.gnu.org/licenses/>.
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#
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# If an error occurs while starting or restarting the firewall, the
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# firewall is automatically stopped.
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#
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# The firewall uses configuration files in /etc/shorewall/ - skeleton
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# files is included with the firewall.
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#
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# wait4ifup <interface> [ <seconds to wait> ]
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#
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interface_is_up() {
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[ -n "$(/sbin/ip link list dev $1 2> /dev/null | /bin/grep -e '[<,]UP[,>]')" ]
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}
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case $# in
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1)
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timeout=60
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;;
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2)
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timeout=$2
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;;
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*)
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echo "usage: $(basename $0) <interface> [ <timeout> ]"
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exit 2
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;;
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esac
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while [ $timeout -gt 0 ]; do
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interface_is_up $1 && exit 0
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/bin/sleep 1
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timeout=$(( $timeout - 1 ))
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done
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exit 1
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