netconfig_ipv4 revision 224470 
1#!/bin/sh
2#-
3# Copyright (c) 2011 Nathan Whitehorn
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD: head/usr.sbin/bsdinstall/scripts/netconfig_ipv4 224470 2011-07-28 03:01:22Z bz $
28
29: ${DIALOG_OK=0}
30: ${DIALOG_CANCEL=1}
31: ${DIALOG_HELP=2}
32: ${DIALOG_EXTRA=3}
33: ${DIALOG_ITEM_HELP=4}
34: ${DIALOG_ESC=255}
35
36INTERFACE=$1
37IFCONFIG_PREFIX="$2"
38case "${INTERFACE}" in
39"")	dialog --backtitle 'FreeBSD Installer' --title 'Network Configuration' \
40	    --msgbox 'No interface specified for IPv4 configuration.' 0 0
41	exit 1
42	;;
43esac
44
45dialog --backtitle 'FreeBSD Installer' --title 'Network Configuration' --yesno 'Would you like to use DHCP to configure this interface?' 0 0
46if [ $? -eq $DIALOG_OK ]; then
47	echo ifconfig_$INTERFACE=\"${IFCONFIG_PREFIX}DHCP\" >> $BSDINSTALL_TMPETC/._rc.conf.net
48
49	if [ ! -z $BSDINSTALL_CONFIGCURRENT ]; then
50		dialog --backtitle 'FreeBSD Installer' --infobox "Acquiring DHCP lease..." 0 0
51		dhclient $INTERFACE 2>> $BSDINSTALL_LOG
52		if [ $? -ne 0 ]; then
53			dialog --backtitle 'FreeBSD Installer' --msgbox "DHCP lease acquisition failed." 0 0
54			exec $0 ${INTERFACE} "${IFCONFIG_PREFIX}"
55		fi
56	fi
57	exit 0
58fi
59
60IP_ADDRESS=`ifconfig $INTERFACE inet | awk '/inet/ {printf("%s\n", $2); }'`
61NETMASK=`ifconfig $INTERFACE inet | awk '/inet/ {printf("%s\n", $4); }'`
62ROUTER=`netstat -rn -f inet | awk '/default/ {printf("%s\n", $2);}'`
63
64exec 3>&1
65IF_CONFIG=$(dialog --backtitle 'FreeBSD Installer' --title 'Network Configuration' --form 'Static Network Interface Configuration' 0 0 0 \
66	'IP Address' 1 0 "$IP_ADDRESS" 1 20 16 0 \
67	'Subnet Mask' 2 0 "$NETMASK" 2 20 16 0 \
68	'Default Router' 3 0 "$ROUTER" 3 20 16 0 \
692>&1 1>&3)
70if [ $? -eq $DIALOG_CANCEL ]; then exit 1; fi
71exec 3>&-
72
73echo $INTERFACE $IF_CONFIG | 
74    awk -v prefix="$IFCONFIG_PREFIX" '{
75	printf("ifconfig_%s=\"%s inet %s netmask %s\"\n", $1, prefix, $2, $3);
76	printf("defaultrouter=\"%s\"\n", $4);
77    }' >> $BSDINSTALL_TMPETC/._rc.conf.net
78
79if [ ! -z $BSDINSTALL_CONFIGCURRENT ]; then
80	. $BSDINSTALL_TMPETC/._rc.conf.net
81	ifconfig $INTERFACE `eval echo \\\$ifconfig_$INTERFACE`
82	route delete -inet default
83	route add -inet default $defaultrouter
84fi
85
86