netconfig_ipv6 revision 225429
1#!/bin/sh 2#- 3# Copyright (c) 2011 Nathan Whitehorn 4# All rights reserved. 5# Copyright (c) 2011 The FreeBSD Foundation 6# All rights reserved. 7# 8# Portions of this software were developed by Bjoern Zeeb 9# under sponsorship from the FreeBSD Foundation. 10# 11# Redistribution and use in source and binary forms, with or without 12# modification, are permitted provided that the following conditions 13# are met: 14# 1. Redistributions of source code must retain the above copyright 15# notice, this list of conditions and the following disclaimer. 16# 2. Redistributions in binary form must reproduce the above copyright 17# notice, this list of conditions and the following disclaimer in the 18# documentation and/or other materials provided with the distribution. 19# 20# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30# SUCH DAMAGE. 31# 32# $FreeBSD: head/usr.sbin/bsdinstall/scripts/netconfig_ipv6 225429 2011-09-07 00:45:15Z bz $ 33 34# 35# TODO: 36# - Add DHCPv6 support once FreeBSD ships with it. 37# 38 39: ${DIALOG_OK=0} 40: ${DIALOG_CANCEL=1} 41: ${DIALOG_HELP=2} 42: ${DIALOG_EXTRA=3} 43: ${DIALOG_ITEM_HELP=4} 44: ${DIALOG_ESC=255} 45 46INTERFACE=$1 47case "${INTERFACE}" in 48"") dialog --backtitle 'FreeBSD Installer' --title 'Network Configuration' \ 49 --msgbox 'No interface specified for IPv6 configuration.' 0 0 50 exit 1 51 ;; 52esac 53 54AGAIN="" 55while : ; do 56 MSG="Would you like to try stateless address autoconfiguration (SLAAC)${AGAIN}?" 57 dialog --backtitle 'FreeBSD Installer' --title 'Network Configuration' \ 58 --yesno "${MSG}" 0 0 59 if [ $? -eq $DIALOG_OK ]; then 60 if [ ! -z $BSDINSTALL_CONFIGCURRENT ]; then 61 dialog --backtitle 'FreeBSD Installer' \ 62 --infobox "Sending Router Solicitation ..." 0 0 63 ifconfig ${INTERFACE} inet6 -ifdisabled accept_rtadv up 64 rtsol -F $INTERFACE 2>> $BSDINSTALL_LOG 65 if [ $? -ne 0 ]; then 66 dialog --backtitle 'FreeBSD Installer' --msgbox "SLAAC failed." 0 0 67 AGAIN=" again" 68 continue 69 fi 70 fi 71 echo ifconfig_${INTERFACE}_ipv6=\"inet6 accept_rtadv\" >> $BSDINSTALL_TMPETC/._rc.conf.net 72 exit 0 73 else 74 break 75 fi 76done 77 78ROUTER6=`netstat -Wrn -f inet6 | awk '/default/ {printf("%s\n", $2);}'` 79ADDRS=`ifconfig ${INTERFACE} inet6 | \ 80awk -v dfr="${ROUTER6}" ' 81BEGIN { 82 n=0; 83} 84{ 85 if (/inet6/) { 86 if (match($2, "^fe80:")) { next; }; 87 # For the moment ignore all but the first address; it might confuse the user. 88 if (n > 0) { next; }; 89 n++; 90 printf "\"IPv6 Address\" %d 0 \"%s/%s\" %d 16 50 0 0 ", n, $2, $4, n; 91 } 92} 93END { 94 if (n == 0) { 95 n++; 96 printf "\"IPv6 Address\" %d 0 \"\" %d 16 50 0 0 ", n, n; 97 } 98 n++; 99 # Nasty trick adding a (hidden, same y) read-only field as a marker 100 # to separate interface address(es) from the default router. 101 printf "\"Default Router\" %d 0 \"%s\" %d 16 50 0 2 ", n, "DefaultRouter", n; 102 printf "\"Default Router\" %d 0 \"%s\" %d 16 50 0 0 ", n, dfr, n; 103}'` 104 105exec 3>&1 106IF_CONFIG=$(echo ${ADDRS} | xargs dialog --backtitle 'FreeBSD Installer' \ 107 --title 'Network Configuration' \ 108 --mixedform 'Static IPv6 Network Interface Configuration' 0 0 0 \ 1092>&1 1>&3) 110if [ $? -eq $DIALOG_CANCEL ]; then exit 1; fi 111exec 3>&- 112 113echo ${IF_CONFIG} | tr ' ' '\n' | \ 114awk -v iface="${INTERFACE}" ' 115BEGIN { 116 dfr=0; 117 count=0; 118} 119{ 120 if (/^[[:space:]]+$/) { 121 next; 122 } 123 if (/DefaultRouter/) { 124 dfr=1; 125 next; 126 } 127 if (dfr == 1) { 128 printf("ipv6_defaultrouter=\"%s\"\n", $1); 129 next; 130 } 131 if (count > 0) { 132 # Ignore all but the first IP address for now. 133 next; 134 } 135 count++; 136 if (!match($1, "/")) { 137 sub("$", "/64", $1); 138 } 139 printf("ifconfig_%s_ipv6=\"inet6 %s\"\n", iface, $1); 140}' >> $BSDINSTALL_TMPETC/._rc.conf.net 141 142if [ ! -z $BSDINSTALL_CONFIGCURRENT ]; then 143 . $BSDINSTALL_TMPETC/._rc.conf.net 144 ifconfig ${INTERFACE} `eval echo \\\$ifconfig_${INTERFACE}_ipv6` 145 if [ -n "${ipv6_defaultrouter}" ]; then 146 route delete -inet6 default 147 route add -inet6 default ${ipv6_defaultrouter} 148 fi 149fi 150 151