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emellor@leeni.uk.xensource.com
d8efb64a3a
This is done by defining ifup/down both to 'false' when they're missing; then instead of attempting to parse the IP params from the kernel command line, we get them from 'ip' instead. So this works even with (for example) ip=dhcp on the kernel command line. Also made a few minor syntax changes (in particular, replaced "==" with "=", and ">&foo" with ">foo 2>foo") so this works with more limited shells. Signed-off-by: Ben Thomas <bjthomas3@gmail.com>
107 lines
2.1 KiB
Bash
107 lines
2.1 KiB
Bash
#
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# Copyright (c) 2005 XenSource Ltd.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of version 2.1 of the GNU Lesser General Public
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# License as published by the Free Software Foundation.
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#
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# This library 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 GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# On SuSE it is necessary to run a command before transfering addresses and
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# routes from the physical interface to the virtual. This command creates a
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# variable $HWD_CONFIG_0 that specifies the appropriate configuration for
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# ifup.
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# Gentoo doesn't have ifup/ifdown, so we define appropriate alternatives.
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# Other platforms just use ifup / ifdown directly.
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##
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# preiftransfer
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#
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# @param $1 The current name for the physical device, which is also the name
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# that the virtual device will take once the physical device has
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# been renamed.
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if [ -e /etc/SuSE-release ]
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then
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preiftransfer()
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{
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eval `/sbin/getcfg -d /etc/sysconfig/network/ -f ifcfg- -- $1`
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}
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ifup()
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{
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/sbin/ifup ${HWD_CONFIG_0} $1
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}
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elif ! which ifup >/dev/null 2>/dev/null
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then
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if [ -e /etc/conf.d/net ]
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then
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preiftransfer()
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{
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true
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}
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ifup()
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{
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/etc/init.d/net.$1 start
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}
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ifdown()
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{
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/etc/init.d/net.$1 stop
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}
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else
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preiftransfer()
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{
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true
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}
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ifup()
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{
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false
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}
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ifdown()
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{
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false
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}
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fi
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else
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preiftransfer()
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{
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true
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}
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fi
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first_file()
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{
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t="$1"
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shift
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for file in $@
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do
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if [ "$t" "$file" ]
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then
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echo "$file"
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return
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fi
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done
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}
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find_dhcpd_conf_file()
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{
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first_file -f /etc/dhcp3/dhcpd.conf /etc/dhcpd.conf
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}
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find_dhcpd_init_file()
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{
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first_file -x /etc/init.d/{dhcp3-server,dhcp,dhcpd}
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}
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