d5bccf0f29
1) if no default gateway is given the route command will fail and the script will abort with an error leading to an endless loop unless configuration is cancelled or changed. [1] 2) In the IPv6 case add -inet6 to not alter the legacy IP default route. Reported by: Oleg Ginzburg (olevole olevole.ru) [1] Tested by: Oleg Ginzburg (olevole olevole.ru) [1] Approved by: re (kib)
151 lines
4.3 KiB
Bash
Executable File
151 lines
4.3 KiB
Bash
Executable File
#!/bin/sh
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#-
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# Copyright (c) 2011 Nathan Whitehorn
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# All rights reserved.
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# Copyright (c) 2011 The FreeBSD Foundation
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# All rights reserved.
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#
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# Portions of this software were developed by Bjoern Zeeb
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# under sponsorship from the FreeBSD Foundation.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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# TODO:
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# - Add DHCPv6 support once FreeBSD ships with it.
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#
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: ${DIALOG_OK=0}
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: ${DIALOG_CANCEL=1}
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: ${DIALOG_HELP=2}
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: ${DIALOG_EXTRA=3}
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: ${DIALOG_ITEM_HELP=4}
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: ${DIALOG_ESC=255}
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INTERFACE=$1
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case "${INTERFACE}" in
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"") dialog --backtitle 'FreeBSD Installer' --title 'Network Configuration' \
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--msgbox 'No interface specified for IPv6 configuration.' 0 0
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exit 1
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;;
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esac
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AGAIN=""
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while : ; do
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MSG="Would you like to try stateless address autoconfiguration (SLAAC)${AGAIN}?"
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dialog --backtitle 'FreeBSD Installer' --title 'Network Configuration' \
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--yesno "${MSG}" 0 0
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if [ $? -eq $DIALOG_OK ]; then
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if [ ! -z $BSDINSTALL_CONFIGCURRENT ]; then
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dialog --backtitle 'FreeBSD Installer' \
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--infobox "Sending Router Solicitation ..." 0 0
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ifconfig ${INTERFACE} inet6 -ifdisabled accept_rtadv up
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rtsol -F $INTERFACE 2>> $BSDINSTALL_LOG
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if [ $? -ne 0 ]; then
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dialog --backtitle 'FreeBSD Installer' --msgbox "SLAAC failed." 0 0
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AGAIN=" again"
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continue
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fi
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fi
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echo ifconfig_${INTERFACE}_ipv6=\"inet6 accept_rtadv\" >> $BSDINSTALL_TMPETC/._rc.conf.net
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exit 0
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else
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break
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fi
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done
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ROUTER6=`netstat -Wrn -f inet6 | awk '/default/ {printf("%s\n", $2);}'`
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ADDRS=`ifconfig ${INTERFACE} inet6 | \
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awk -v dfr="${ROUTER6}" '
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BEGIN {
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n=0;
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}
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{
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if (/inet6/) {
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if (match($2, "^fe80:")) { next; };
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# For the moment ignore all but the first address; it might confuse the user.
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if (n > 0) { next; };
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n++;
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printf "\"IPv6 Address\" %d 0 \"%s/%s\" %d 16 50 0 0 ", n, $2, $4, n;
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}
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}
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END {
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if (n == 0) {
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n++;
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printf "\"IPv6 Address\" %d 0 \"\" %d 16 50 0 0 ", n, n;
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}
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n++;
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# Nasty trick adding a (hidden, same y) read-only field as a marker
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# to separate interface address(es) from the default router.
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printf "\"Default Router\" %d 0 \"%s\" %d 16 50 0 2 ", n, "DefaultRouter", n;
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printf "\"Default Router\" %d 0 \"%s\" %d 16 50 0 0 ", n, dfr, n;
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}'`
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exec 3>&1
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IF_CONFIG=$(echo ${ADDRS} | xargs dialog --backtitle 'FreeBSD Installer' \
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--title 'Network Configuration' \
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--mixedform 'Static IPv6 Network Interface Configuration' 0 0 0 \
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2>&1 1>&3)
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if [ $? -eq $DIALOG_CANCEL ]; then exit 1; fi
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exec 3>&-
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echo ${IF_CONFIG} | tr ' ' '\n' | \
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awk -v iface="${INTERFACE}" '
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BEGIN {
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dfr=0;
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count=0;
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}
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{
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if (/^[[:space:]]+$/) {
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next;
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}
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if (/DefaultRouter/) {
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dfr=1;
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next;
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}
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if (dfr == 1) {
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printf("ipv6_defaultrouter=\"%s\"\n", $1);
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next;
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}
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if (count > 0) {
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# Ignore all but the first IP address for now.
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next;
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}
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count++;
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if (!match($1, "/")) {
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sub("$", "/64", $1);
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}
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printf("ifconfig_%s_ipv6=\"inet6 %s\"\n", iface, $1);
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}' >> $BSDINSTALL_TMPETC/._rc.conf.net
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if [ ! -z $BSDINSTALL_CONFIGCURRENT ]; then
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. $BSDINSTALL_TMPETC/._rc.conf.net
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ifconfig ${INTERFACE} `eval echo \\\$ifconfig_${INTERFACE}_ipv6`
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if [ -n "${ipv6_defaultrouter}" ]; then
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route delete -inet6 default
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route add -inet6 default ${ipv6_defaultrouter}
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fi
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fi
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