316 lines
8 KiB
Bash
316 lines
8 KiB
Bash
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#!/bin/sh
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#
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# netconf 0.1 - Configure network
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#
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# Changes:
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#
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LOCALRC=/usr/etc/rc.local
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INETCONF=/etc/inet.conf
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RCNET=/etc/rc.net
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HOSTS=/etc/hosts
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HOSTNAME=/etc/hostname.file
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USRKBFILE=/.usrkb
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step1=""
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step2=""
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step3=""
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v=1 # verbosity
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manual_opts=0
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prefix=""
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cd="no" # running from cd?
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eth=""
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driver=""
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driverargs=""
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config=""
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manual=""
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dhcp="no"
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hostname=""
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hostname_prev=""
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ip=""
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ip_prev=""
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netmask=""
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netmask_prev=""
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gateway=""
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dns1=""
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dns2=""
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# Provide some sane defaults
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hostname_default=`uname -n`
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test -z "$hostname_default" && hostname_default="Minix"
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ip_default="10.0.0.1"
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netmask_default="255.255.255.0"
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gateway_default=""
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usage()
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{
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cat >&2 <<'EOF'
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Usage:
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netconf [-q] [-p <prefix>] [-e <num>] [-a]
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netconf [-H <name> -i <ip> -n <mask> -g <gw> -d <prim dns> [-s <sec dns>]]
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flags:
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-q Limit generated output
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-p Path prefix for configuration files (e.g., during install -p mnt is used as files are mounted on /mnt).
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-e Ethernet card
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-a Use DHCP (-H, -i, -n, -g, -d, and -s flags are discarded)
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-H Hostname
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-i IP address
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-n Netmask
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-g Default gateway
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-d Primary DNS
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-s Secondary DNS
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-h Shows this help file
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-c Shows a list of ethernet cards supported
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By default netconf starts in Interactive mode. By providing parameters on the
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command line, some questions can be omitted.
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EOF
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exit 1
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}
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cards()
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{
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echo "0. No Ethernet card (no networking)"
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echo "1. Intel Pro/100"
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echo "2. 3Com 501 or 3Com 509 based card"
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echo "3. Realtek 8139 based card (also emulated by KVM)"
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echo "4. Realtek 8029 based card (also emulated by Qemu)"
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echo "5. NE2000, 3com 503 or WD based card (also emulated by Bochs)"
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echo "6. AMD LANCE (also emulated by VMWare and VirtualBox)"
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echo "7. Different Ethernet card (no networking)"
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}
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warn()
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{
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echo -e "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b ! $1"
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}
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do_step1()
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{
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# Ask user about networking
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echo "MINIX 3 currently supports the following Ethernet cards. Please choose: "
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echo ""
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cards
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echo ""
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while [ "$step1" != ok ]; do
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echo -n "Ethernet card? [0] "; read eth
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test -z $eth && eth=0
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drv_params $eth
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test -n "$driver" && step1="ok"
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done
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}
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drv_params()
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{
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case "$1" in
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0) driver=psip0; ;;
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1) driver=fxp; ;;
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2) driver=dpeth; driverargs="#dpeth_arg='DPETH0=port:irq:memory'";
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test "$v" = 1 && echo ""
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test "$v" = 1 && echo "Note: After installing, edit $LOCALRC to the right configuration."
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;;
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3) driver=rtl8139; ;;
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4) driver=dp8390; driverargs="dp8390_arg='DPETH0=pci'"; ;;
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5) driver=dp8390; driverargs="dp8390_arg='DPETH0=240:9'";
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test "$v" = 1 && echo ""
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test "$v" = 1 && echo "Note: After installing, edit $LOCALRC to the right configuration."
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test "$v" = 1 && echo " chose option 4, the defaults for emulation by Bochs have been set."
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;;
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6) driver="lance"; ;;
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7) driver="psip0"; ;;
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*) warn "choose a number"
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esac
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}
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do_step2()
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{
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echo ""
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echo "Configure network using DHCP or manually?"
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echo ""
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echo "1. Automatically using DHCP"
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echo "2. Manually"
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echo ""
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while [ "$step2" != ok ]
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do
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echo -n "Configure method? [1] "; read config
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test -z $config && config=1
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case "$config" in
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1) step2="ok"; dhcp="yes" ; ;;
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2) step2="ok"; manual="do"; ;;
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*) warn "choose a number"
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esac
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done
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# Use manual parameters?
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if [ -n "$manual" ]; then
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# Query user for settings
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# Hostname
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if [ -z $hostname_prev ]; then
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hostname_prev=$hostname_default
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fi
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echo -n "Hostname [$hostname_prev]: "
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read hostname
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if [ ! -z $hostname ]; then
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hostname_prev=$hostname
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else
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hostname=$hostname_prev
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fi
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# IP address
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if [ -z $ip_prev ]; then
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ip_prev=$ip_default
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fi
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echo -n "IP address [$ip_prev]: "
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read ip
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if [ ! -z $ip ]; then
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ip_prev=$ip
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else
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ip=$ip_prev
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fi
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# Netmask
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if [ -z $netmask_prev ]; then
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netmask_prev=$netmask_default
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fi
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echo -n "Netmask [$netmask_prev]: "
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read netmask
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if [ ! -z $netmask ]; then
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netmask_prev=$netmask
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else
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netmask=$netmask_prev
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fi
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# Gateway (no gateway is fine for local networking)
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echo -n "Gateway: "
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read gateway
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# DNS Servers
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echo -n "Primary DNS Server [$dns1_prev]: "
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read dns1
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test -z "$dns1" && test -n "$dns1_prev" && dns1=$dns1_prev
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if [ ! -z "$dns1" ]; then
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dns1_prev=$dns1
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echo -n "Secondary DNS Server [$dns2_prev]: "
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read dns2
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if [ ! -z $dns2 ]; then
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dns2_prev=$dns2
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fi
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else
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# If no primary DNS, then also no secondary DNS
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dns2=""
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fi
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fi
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}
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# Parse options
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while getopts ":qe:p:aH:i:n:g:d:s:hc" arg; do
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case "$arg" in
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q) v=0; ;;
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e) ethernet=$OPTARG;
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test "$ethernet" -ge 0 -a "$ethernet" -le 7 2>/dev/null || usage
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drv_params $ethernet
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;;
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p) prefix=$OPTARG; ;;
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a) dhcp="yes"; ;;
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H) hostname=$OPTARG; manual_opts=`expr $manual_opts '+' 1`;;
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i) ip=$OPTARG; manual_opts=`expr $manual_opts '+' 1`;;
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n) netmask=$OPTARG; manual_opts=`expr $manual_opts '+' 1`;;
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g) gateway=$OPTARG; manual_opts=`expr $manual_opts '+' 1`;;
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d) dns1=$OPTARG; ;;
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s) dns2=$OPTARG; ;;
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h) usage ;;
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c) echo -e "The following cards are supported by Minix:\n";
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cards; exit 0
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;;
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\?) echo "Unknown option -$OPTARG"; usage ;;
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:) echo "Missing required argument for -$OPTARG"; usage ;;
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*) usage ;;
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esac
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done
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# Verify parameter count
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if [ "$dhcp" != "yes" ] ; then
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if [ $manual_opts -gt 0 ] ; then
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test $manual_opts -eq 4 -a -n "$dns1" || usage
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manual="do"
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fi
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fi
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if [ -n "$prefix" ] ; then
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LOCALRC=$prefix$LOCALRC
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INETCONF=$prefix$INETCONF
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RCNET=$prefix$RCNET
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HOSTS=$prefix$HOSTS
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HOSTNAME=$prefix$HOSTNAME
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if [ ! -f $INETCONF ]; then
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echo -e "It seems the supplied prefix (\`$prefix') is invalid."
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exit 1
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fi
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fi
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if [ "$USER" != root ] ; then
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test "$v" = 1 && echo "Please run netconf as root."
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exit 1
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fi
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# Are we running from CD?
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if [ -f "$USRKBFILE" ] ; then
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echo "Running from CD"
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cd="yes" # We are running from CD
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fi
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# Do we know what ethernet card to use?
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test -z "$ethernet" && do_step1
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# If no parameters are supplied and we're not using DHCP, query for settings
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test $manual_opts -eq 0 -a "$dhcp" = "no" && do_step2
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# Store settings.
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# Do not make backups if we're running from CD
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test "$cd" != "yes" && test -f $INETCONF && mv $INETCONF "$INETCONF~" &&
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test "$v" = 1 && echo "Backed up $INETCONF to $INETCONF~"
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test "$cd" != "yes" && test -f $LOCALRC && mv $LOCALRC "$LOCALRC~" &&
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test "$v" = 1 && echo "Backed up $LOCALRC to $LOCALRC~"
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echo "eth0 $driver 0 { default; } ;" > $INETCONF
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echo "$driverargs" > $LOCALRC
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if [ -n "$manual" ]
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then
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# Backup config file if it exists and we're not running from CD
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test "$cd" != "yes" && test -f $RCNET && mv $RCNET "$RCNET~" &&
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test "$v" = 1 && echo "Backed up $RCNET to $RCNET~"
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test "$cd" != "yes" && test -f $HOSTS && mv $HOSTS "$HOSTS~" &&
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test "$v" = 1 && echo "Backed up $HOSTS to $HOSTS~"
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# Store manual config
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echo "ifconfig -I /dev/ip0 -n $netmask -h $ip" > $RCNET
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test ! -z $gateway && echo "add_route -g $gateway" >> $RCNET
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echo "daemonize nonamed -L" >> $RCNET
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test ! -z $dns1 && echo -e "$ip\t%nameserver\t#$hostname" > $HOSTS
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test ! -z $dns1 && echo -e "$dns1\t%nameserver\t#DNS 1" >> $HOSTS
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test ! -z $dns2 && echo -e "$dns2\t%nameserver\t#DNS 2" >> $HOSTS
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echo -e "\n$ip\t$hostname" >> $HOSTS
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echo $hostname > $HOSTNAME
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else
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test "$cd" != "yes" && test -f "$RCNET" && mv "$RCNET" "$RCNET~" &&
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test "$v" = 1 && echo "Moved $RCNET to $RCNET~ to use default settings"
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test "$cd" != "yes" && test -f $HOSTS && mv $HOSTS "$HOSTS~" &&
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test "$v" = 1 && echo "Backed up $HOSTS to $HOSTS~"
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test -f "$HOSTS~" && grep -v "%nameserver" "$HOSTS~" > $HOSTS
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fi
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test "$cd" != "yes" && test "$v" = 1 && echo "
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You might have to reboot for the changes to take effect."
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exit 0
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