mirror of
https://github.com/RIOT-OS/RIOT.git
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75 lines
1.5 KiB
Bash
Executable File
75 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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create_tap() {
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ip tuntap add ${TAP} mode tap user ${_USER}
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sysctl -w net.ipv6.conf.${TAP}.forwarding=1
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sysctl -w net.ipv6.conf.${TAP}.accept_ra=0
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ip link set ${TAP} up
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ip a a fe80::1/64 dev ${TAP}
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ip a a fd00:dead:beef::1/128 dev lo
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ip route add ${PREFIX} via fe80::2 dev ${TAP}
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}
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remove_tap() {
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ip tuntap del ${TAP} mode tap
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}
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cleanup() {
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echo "Cleaning up..."
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remove_tap
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ip a d fd00:dead:beef::1/128 dev lo
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if [ -n "${UHCPD_PID}" ]; then
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kill ${UHCPD_PID}
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fi
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if [ -n "${DHCPD_PIDFILE}" ]; then
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kill "$(cat ${DHCPD_PIDFILE})"
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rm "${DHCPD_PIDFILE}"
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fi
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trap "" INT QUIT TERM EXIT
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}
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start_uhcpd() {
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${UHCPD} ${TAP} ${PREFIX}
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UHCPD_PID=$!
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}
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start_dhcpd() {
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DHCPD_PIDFILE=$(mkfile)
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${DHCPD} -d -p ${DHCPD_PIDFILE} ${TAP} ${PREFIX} 2> /dev/null
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}
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if [ "$1" = "-d" ] || [ "$1" = "--use-dhcp" ]; then
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USE_DHCPV6=1
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shift 1
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else
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USE_DHCPV6=0
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fi
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TAP=$1
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PREFIX=$2
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_USER=$3
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: ${UHCPD:="$(readlink -f $(dirname $0)"/../uhcpd/bin")/uhcpd"}
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: ${DHCPD:="$(readlink -f $(dirname $0)"/../dhcpdv6-pd_ia")/dhcpv6-pd_ia.py"}
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[ -z "${TAP}" -o -z "${PREFIX}" ] && {
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echo "usage: $0 [-d|--use-dhcp] <tap-device> <prefix> [<user>]"
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exit 1
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}
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if [ -z "$_USER" ]; then
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if [ -n "$SUDO_USER" ] ; then
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_USER=$SUDO_USER
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else
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_USER=$USER
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fi
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fi
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trap "cleanup" INT QUIT TERM EXIT
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create_tap && if [ ${USE_DHCPV6} -eq 1 ]; then
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start_dhcpd
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else
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start_uhcpd
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fi
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