xref: /freebsd/usr.sbin/bsdinstall/scripts/netconfig_ipv4 (revision 580744621f33383027108364dcadad718df46ffe)
1#!/bin/sh
2#-
3# Copyright (c) 2011 Nathan Whitehorn
4# Copyright (c) 2013-2015 Devin Teske
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28# $FreeBSD$
29#
30############################################################ INCLUDES
31
32BSDCFG_SHARE="/usr/share/bsdconfig"
33. $BSDCFG_SHARE/common.subr || exit 1
34f_dprintf "%s: loading includes..." "$0"
35f_include $BSDCFG_SHARE/dialog.subr
36
37############################################################ MAIN
38
39INTERFACE=$1
40IFCONFIG_PREFIX="$2"
41test -z "$IFCONFIG_PREFIX" || IFCONFIG_PREFIX="$2 "
42case "${INTERFACE}" in
43"")	dialog --backtitle 'FreeBSD Installer' --title 'Network Configuration' \
44	    --msgbox 'No interface specified for IPv4 configuration.' 0 0
45	exit 1
46	;;
47esac
48
49dialog --backtitle 'FreeBSD Installer' --title 'Network Configuration' --yesno 'Would you like to use DHCP to configure this interface?' 0 0
50if [ $? -eq $DIALOG_OK ]; then
51	if [ ! -z $BSDINSTALL_CONFIGCURRENT ]; then
52		ifconfig $INTERFACE up
53		dialog --backtitle 'FreeBSD Installer' --infobox "Acquiring DHCP lease..." 0 0
54		err=$( dhclient $INTERFACE 2>&1 )
55		if [ $? -ne 0 ]; then
56			f_dprintf "%s" "$err"
57			dialog --backtitle 'FreeBSD Installer' --msgbox "DHCP lease acquisition failed." 0 0
58			exec $0 ${INTERFACE} "${IFCONFIG_PREFIX}"
59		fi
60	fi
61	echo ifconfig_$INTERFACE=\"${IFCONFIG_PREFIX}DHCP\" >> $BSDINSTALL_TMPETC/._rc.conf.net
62	exit 0
63fi
64
65IP_ADDRESS=`ifconfig $INTERFACE inet | awk '/inet/ {printf("%s\n", $2); }'`
66NETMASK=`ifconfig $INTERFACE inet | awk '/inet/ {printf("%s\n", $4); }'`
67ROUTER=`netstat -rn -f inet | awk '/default/ {printf("%s\n", $2);}'`
68
69exec 3>&1
70IF_CONFIG=$(dialog --backtitle 'FreeBSD Installer' --title 'Network Configuration' --form 'Static Network Interface Configuration' 0 0 0 \
71	'IP Address' 1 0 "$IP_ADDRESS" 1 20 16 0 \
72	'Subnet Mask' 2 0 "$NETMASK" 2 20 16 0 \
73	'Default Router' 3 0 "$ROUTER" 3 20 16 0 \
742>&1 1>&3)
75if [ $? -eq $DIALOG_CANCEL ]; then exit 1; fi
76exec 3>&-
77
78echo $INTERFACE $IF_CONFIG |
79    awk -v prefix="$IFCONFIG_PREFIX" '{
80	printf("ifconfig_%s=\"%s\inet %s netmask %s\"\n", $1, prefix, $2, $3);
81	printf("defaultrouter=\"%s\"\n", $4);
82    }' >> $BSDINSTALL_TMPETC/._rc.conf.net
83retval=$?
84
85if [ "$BSDINSTALL_CONFIGCURRENT" ]; then
86	. $BSDINSTALL_TMPETC/._rc.conf.net
87	if [ -n "$2" ]; then
88		ifconfig $INTERFACE `eval echo \\\$ifconfig_$INTERFACE | sed "s|$2||"`
89	else
90		ifconfig $INTERFACE `eval echo \\\$ifconfig_$INTERFACE`
91	fi
92	if [ "$defaultrouter" ]; then
93		route delete -inet default
94		route add -inet default $defaultrouter
95		retval=$?
96	fi
97fi
98
99exit $retval
100
101################################################################################
102# END
103################################################################################
104