#!/bin/sh
#
# Format:
# bridge=<bridgename>:<bridgeslaves>
#
# <bridgeslaves> is a comma-separated list of physical (ethernet) interfaces
# bridge without parameters assumes bridge=br0:eth0
#
parsebridge() {
local v=${1}:
set --
while [ -n "$v" ]; do
set -- "$@" "${v%%:*}"
v=${v#*:}
done
case $# in
0) bridgename=br0; bridgeslaves=$iface ;;
1) die "bridge= requires two parameters" ;;
2) bridgename=$1; bridgeslaves=$(str_replace "$2" "," " ") ;;
*) die "bridge= requires two parameters" ;;
esac
}
# Parse bridge for bridgename and bridgeslaves
for bridge in $(getargs bridge=); do
unset bridgename
unset bridgeslaves
iface=eth0
# Read bridge= parameters if they exist
if [ "$bridge" != "bridge" ]; then
parsebridge $bridge
fi
# Simple default bridge
if [ -z "$bridgename" ]; then
bridgename=br0
bridgeslaves=$iface
fi
echo "bridgename=$bridgename" > /tmp/bridge.${bridgename}.info
echo "bridgeslaves=\"$bridgeslaves\"" >> /tmp/bridge.${bridgename}.info
done
