freebsd-dev/usr.sbin/bsdinstall/scripts/netconfig
Nathan Whitehorn 41f2f866d0 Provide an error message and error handling if there are no network
interfaces in the system. This is a non-fatal error except when doing a
network installation.

PR:		bin/161950
MFC after:	3 days
2011-10-25 16:35:48 +00:00

207 lines
6.0 KiB
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#!/bin/sh
#-
# Copyright (c) 2011 Nathan Whitehorn
# All rights reserved.
# Copyright (c) 2011 The FreeBSD Foundation
# All rights reserved.
#
# Portions of this software were developed by Bjoern Zeeb
# under sponsorship from the FreeBSD Foundation.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
INTERFACES=""
DIALOG_TAGS=""
: ${DIALOG_OK=0}
: ${DIALOG_CANCEL=1}
: ${DIALOG_HELP=2}
: ${DIALOG_EXTRA=3}
: ${DIALOG_ITEM_HELP=4}
: ${DIALOG_ESC=255}
for IF in `ifconfig -l`; do
test "$IF" = "lo0" && continue
(ifconfig -g wlan | egrep -wq $IF) && continue
INTERFACES="$INTERFACES $IF"
DESC=`sysctl -n dev.$(echo $IF | sed -E 's/([[:alpha:]]*)([[:digit:]]*)/\1.\2/g').%desc`
DIALOG_TAGS="$DIALOG_TAGS $IF \"$DESC\""
done
if [ -z "$INTERFACES" ]; then
dialog --backtitle 'FreeBSD Installer' \
--title 'Network Configuration Error' \
--msgbox 'No network interfaces present to configure.' 0 0
exit 1
fi
exec 3>&1
INTERFACE=`echo $DIALOG_TAGS | xargs dialog --backtitle 'FreeBSD Installer' --title 'Network Configuration' --menu 'Please select a network interface to configure:' 0 0 0 2>&1 1>&3`
if [ $? -eq $DIALOG_CANCEL ]; then exit 1; fi
exec 3>&-
: > $BSDINSTALL_TMPETC/._rc.conf.net
# Do a dirty check to see if this a wireless interface -- there should be a
# better way
IFCONFIG_PREFIX=""
if ifconfig $INTERFACE | grep -q 'media: IEEE 802.11 Wireless'; then
NEXT_WLAN_IFACE=wlan0 # XXX
echo wlans_$INTERFACE=\"$NEXT_WLAN_IFACE\" >> $BSDINSTALL_TMPETC/._rc.conf.net
IFCONFIG_PREFIX="WPA "
if [ ! -z $BSDINSTALL_CONFIGCURRENT ]; then
ifconfig $NEXT_WLAN_IFACE create wlandev $INTERFACE
ifconfig $NEXT_WLAN_IFACE up
fi
bsdinstall wlanconfig $NEXT_WLAN_IFACE || exec $0
INTERFACE="$NEXT_WLAN_IFACE"
fi
IPV6_AVAIL=0
IPV4_AVAIL=0
sysctl -N kern.features.inet6 > /dev/null 2>&1
case $? in
0) IPV6_AVAIL=1 ;;
esac
sysctl -N kern.features.inet > /dev/null 2>&1
case $? in
0) IPV4_AVAIL=1 ;;
esac
if [ ${IPV4_AVAIL} -eq 1 ]; then
dialog --backtitle 'FreeBSD Installer' --title 'Network Configuration' \
--yesno 'Would you like to configure IPv4 for this interface?' 0 0
if [ $? -eq $DIALOG_OK ]; then
bsdinstall netconfig_ipv4 ${INTERFACE} "${IFCONFIG_PREFIX}" || \
exec $0
else
IPV4_AVAIL=0
fi
fi
# In case wlanconfig left an option and we do not support IPv4 we need to write
# it out on its own. We cannot write it out with IPv6 as that suffix.
if [ ${IPV4_AVAIL} -eq 0 -a -n ${IFCONFIG_PREFIX} ]; then
echo ifconfig_${INTERFACE}=\"${IFCONFIG_PREFIX}\" >> $BSDINSTALL_TMPETC/._rc.conf.net
fi
if [ ${IPV6_AVAIL} -eq 1 ]; then
dialog --backtitle 'FreeBSD Installer' --title 'Network Configuration' \
--yesno 'Would you like to configure IPv6 for this interface?' 0 0
if [ $? -eq $DIALOG_OK ]; then
bsdinstall netconfig_ipv6 ${INTERFACE} || exec $0
else
IPV6_AVAIL=0
fi
fi
SEARCH=""
IP4_1=""
IP4_2=""
IP6_1=""
IP6_2=""
while read key value; do
case "${key}" in
search) SEARCH="${value}" ;;
nameserver) # is more trick as we have to distinguish v4 and v6
case "${value}" in
[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*)
if [ -z "${IP4_1}" ] ; then
IP4_1="${value}"
elif [ -z "${IP4_2}" ]; then
IP4_2="${value}"
fi
;;
[0-9A-Fa-f:]*:*)
if [ -z "${IP6_1}" ] ; then
IP6_1="${value}"
elif [ -z "${IP6_2}" ]; then
IP6_2="${value}"
fi
;;
esac
;;
# ignore others
esac
done < ${BSDINSTALL_TMPETC}/resolv.conf
RESOLV=""
if [ ${IPV6_AVAIL} -eq 1 -a ${IPV4_AVAIL} -eq 1 ]; then
RESOLV="
'Search' 1 0 \"${SEARCH}\" 1 16 50 0 0
'Nameserver' 2 0 \"Nameserver\" 2 16 50 0 2
'IPv6 DNS #1' 2 0 \"${IP6_1}\" 2 16 50 0 0
'IPv6 DNS #2' 3 0 \"${IP6_2}\" 3 16 50 0 0
'IPv4 DNS #1' 4 0 \"${IP4_1}\" 4 16 16 0 0
'IPv4 DNS #2' 5 0 \"${IP4_2}\" 5 16 16 0 0"
elif [ ${IPV6_AVAIL} -eq 1 ]; then
RESOLV="
'Search' 1 0 \"${SEARCH}\" 1 16 50 0 0
'Nameserver' 2 0 \"Nameserver\" 2 16 50 0 2
'IPv6 DNS #1' 2 0 \"${IP6_1}\" 2 16 50 0 0
'IPv6 DNS #2' 3 0 \"${IP6_2}\" 3 16 50 0 0"
elif [ ${IPV4_AVAIL} -eq 1 ]; then
RESOLV="
'Search' 1 0 \"${SEARCH}\" 1 16 50 0 0
'Nameserver' 2 0 \"Nameserver\" 2 16 50 0 2
'IPv4 DNS #1' 2 0 \"${IP4_1}\" 2 16 16 0 0
'IPv4 DNS #2' 3 0 \"${IP4_2}\" 3 16 16 0 0"
else
exit 0
fi
exec 3>&1
RESOLV=$(echo "${RESOLV}" | xargs dialog --backtitle 'FreeBSD Installer' \
--title 'Network Configuration' \
--mixedform 'Resolver Configuration' 0 0 0 \
2>&1 1>&3)
if [ $? -eq $DIALOG_CANCEL ]; then exec $0; fi
exec 3>&-
echo ${RESOLV} | tr ' ' '\n' | \
awk '
BEGIN {
search=-1;
}
{
if (/^[[:space:]]+$/) {
next;
}
if (/^Nameserver$/) {
printf "\n";
search=0;
next;
}
if (search == -1) {
printf "search ";
search=1;
}
if (search > 0) {
printf "%s%s", (search > 1) ? " " : "", $1;
search++;
next;
}
printf "nameserver %s\n", $1;
}' > ${BSDINSTALL_TMPETC}/resolv.conf
mv $BSDINSTALL_TMPETC/._rc.conf.net $BSDINSTALL_TMPETC/rc.conf.net