#!/bin/sh # # netconf 0.1 - Configure network # # Changes: # # Get system config . /etc/rc.conf LOCALRC=/usr/etc/rc.local INETCONF=/etc/inet.conf RCNET=/etc/rc.net HOSTS=/etc/hosts HOSTNAME=/etc/hostname.file USRKBFILE=/.usrkb LSPCI=/tmp/lspci.$$ DEVICES=/tmp/devices.$$ step1="" step2="" step3="" v=1 # verbosity manual_opts=0 prefix="" cd="no" # running from cd? eth="" driver="" driverargs="" config="" manual="" dhcp="no" hostname="" hostname_prev="" ip="" ip_prev="" netmask="" netmask_prev="" gateway="" dns1="" dns2="" # Provide some sane defaults hostname_default=`uname -n` test -z "$hostname_default" && hostname_default="Minix" ip_default="10.0.0.1" netmask_default="255.255.255.0" gateway_default="" usage() { cat >&2 <<'EOF' Usage: netconf [-q] [-p ] [-e ] [-a] netconf [-H -i -n -g -d [-s ]] flags: -q Limit generated output -p Path prefix for configuration files (e.g., during install -p mnt is used as files are mounted on /mnt). -e Ethernet card -a Use DHCP (-H, -i, -n, -g, -d, and -s flags are discarded) -H Hostname -i IP address -n Netmask -g Default gateway -d Primary DNS -s Secondary DNS -h Shows this help file -c Shows a list of ethernet cards supported By default netconf starts in Interactive mode. By providing parameters on the command line, some questions can be omitted. EOF exit 1 } card() { card_number=$1 card_name=$2 card_avail=0 shift 2 while [ $# -gt 0 ] do cat $LSPCI | grep > /dev/null "^$1" && card_avail=1 shift done if [ $card_avail -gt 0 ] then card_mark="*" eth_default=$card_number else card_mark=" " fi printf "%2d. %s %s\n" "$card_number" "$card_mark" "$card_name" } first_pcicard=4 cards() { # Run lspci once to a temp file for use in 'card' function lspci >$LSPCI || exit card 0 "No Ethernet card (no networking)" card 1 "3Com 501 or 3Com 509 based card" card 2 "Realtek 8029 based card (also emulated by Qemu)" "10EC:8029" card 3 "NE2000, 3com 503 or WD based card (also emulated by Bochs)" n=$first_pcicard for pcicard in $pci_list do var=\$pci_descr$pcicard; descr="`eval echo $var`" var=\$pci_pcilist$pcicard; pcilist="`eval echo $var`" card $n "$descr" $pcilist n="`expr $n + 1`" done card $first_after_pci "Different Ethernet card (no networking)" # Remove temporary lspci output rm -f $LSPCI } warn() { 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" } config_pci_cards() { rm -f $DEVICES n=0 # Collect configs from network devices for dir in $SYSTEM_CONF_DIRS do for f in $dir/$SYSTEM_CONF_SUBDIR/* do if [ -f $f ] then printconfig $f | grep 'type net.*pci device' fi done done >$DEVICES while read devline do pcilist="`echo $devline | sed 's/.*pci device //' | sed 's/,.*//'`" descr="`echo $devline | sed 's/.*,descr //' | sed 's/,.*//'`" label="`echo $devline | sed 's/.*service //' | sed 's/,.*//'`" pci_list="$pci_list $n" eval "pci_pcilist$n=\"$pcilist\"" eval "pci_descr$n=\"$descr\"" eval "pci_label$n=\"$label\"" n="`expr $n + 1`" done <$DEVICES first_after_pci=`expr $first_pcicard + $n` rm -f $DEVICES } do_step1() { eth_default=0 # Ask user about networking echo "MINIX 3 currently supports the following Ethernet cards. PCI cards detected" echo "by MINIX are marked with *. Please choose: " echo "" cards echo "" while [ "$step1" != ok ]; do echo -n "Ethernet card? [$eth_default] "; read eth test -z $eth && eth=$eth_default drv_params $eth test -n "$driver" && step1="ok" done } drv_params() { # If this is a known pci device, we only have to set # the driver. if [ $1 -ge $first_pcicard -a $1 -lt $first_after_pci ] then pcicard="`expr $1 - $first_pcicard`" var=\$pci_label$pcicard; driver="`eval echo $var`" return fi # Other possibilities. case "$1" in 0) driver=psip0; ;; 1) driver=dpeth; driverargs="#dpeth_arg='DPETH0=port:irq:memory'"; test "$v" = 1 && echo "" test "$v" = 1 && echo "Note: After installing, edit $LOCALRC to the right configuration." ;; 2) driver=dp8390; driverargs="dp8390_arg='DPETH0=pci'"; ;; 3) driver=dp8390; driverargs="dp8390_arg='DPETH0=240:9'"; test "$v" = 1 && echo "" test "$v" = 1 && echo "Note: After installing, edit $LOCALRC to the right configuration." test "$v" = 1 && echo " chose option 4, the defaults for emulation by Bochs have been set." ;; $first_after_pci) driver="psip0"; ;; *) warn "choose a number" esac } do_step2() { echo "" echo "Configure network using DHCP or manually?" echo "" echo "1. Automatically using DHCP" echo "2. Manually" echo "" while [ "$step2" != ok ] do echo -n "Configure method? [1] "; read config test -z $config && config=1 case "$config" in 1) step2="ok"; dhcp="yes" ; ;; 2) step2="ok"; manual="do"; ;; *) warn "choose a number" esac done # Use manual parameters? if [ -n "$manual" ]; then # Query user for settings # Hostname if [ -z $hostname_prev ]; then hostname_prev=$hostname_default fi echo -n "Hostname [$hostname_prev]: " read hostname if [ ! -z $hostname ]; then hostname_prev=$hostname else hostname=$hostname_prev fi # IP address if [ -z $ip_prev ]; then ip_prev=$ip_default fi echo -n "IP address [$ip_prev]: " read ip if [ ! -z $ip ]; then ip_prev=$ip else ip=$ip_prev fi # Netmask if [ -z $netmask_prev ]; then netmask_prev=$netmask_default fi echo -n "Netmask [$netmask_prev]: " read netmask if [ ! -z $netmask ]; then netmask_prev=$netmask else netmask=$netmask_prev fi # Gateway (no gateway is fine for local networking) echo -n "Gateway: " read gateway # DNS Servers echo -n "Primary DNS Server [$dns1_prev]: " read dns1 test -z "$dns1" && test -n "$dns1_prev" && dns1=$dns1_prev if [ ! -z "$dns1" ]; then dns1_prev=$dns1 echo -n "Secondary DNS Server [$dns2_prev]: " read dns2 if [ ! -z $dns2 ]; then dns2_prev=$dns2 fi else # If no primary DNS, then also no secondary DNS dns2="" fi fi } # Find pci cards we know about config_pci_cards # Parse options while getopts ":qe:p:aH:i:n:g:d:s:hc" arg; do case "$arg" in q) v=0; ;; e) ethernet=$OPTARG; test "$ethernet" -ge 0 -a "$ethernet" -le 7 2>/dev/null || usage drv_params $ethernet ;; p) prefix=$OPTARG; ;; a) dhcp="yes"; ;; H) hostname=$OPTARG; manual_opts=`expr $manual_opts '+' 1`;; i) ip=$OPTARG; manual_opts=`expr $manual_opts '+' 1`;; n) netmask=$OPTARG; manual_opts=`expr $manual_opts '+' 1`;; g) gateway=$OPTARG; manual_opts=`expr $manual_opts '+' 1`;; d) dns1=$OPTARG; ;; s) dns2=$OPTARG; ;; h) usage ;; c) echo -e "The following cards are supported by Minix:\n"; cards; exit 0 ;; \?) echo "Unknown option -$OPTARG"; usage ;; :) echo "Missing required argument for -$OPTARG"; usage ;; *) usage ;; esac done # Verify parameter count if [ "$dhcp" != "yes" ] ; then if [ $manual_opts -gt 0 ] ; then test $manual_opts -eq 4 -a -n "$dns1" || usage manual="do" fi fi if [ -n "$prefix" ] ; then LOCALRC=$prefix$LOCALRC INETCONF=$prefix$INETCONF RCNET=$prefix$RCNET HOSTS=$prefix$HOSTS HOSTNAME=$prefix$HOSTNAME if [ ! -f $INETCONF ]; then echo -e "It seems the supplied prefix (\`$prefix') is invalid." exit 1 fi fi if [ `whoami` != root ] ; then test "$v" = 1 && echo "Please run netconf as root." exit 1 fi # Are we running from CD? if [ -f "$USRKBFILE" ] ; then cd="yes" # We are running from CD fi # Do we know what ethernet card to use? test -z "$ethernet" && do_step1 # If no parameters are supplied and we're not using DHCP, query for settings test $manual_opts -eq 0 -a "$dhcp" = "no" && do_step2 # Store settings. # Do not make backups if we're running from CD test "$cd" != "yes" && test -f $INETCONF && mv $INETCONF "$INETCONF~" && test "$v" = 1 && echo "Backed up $INETCONF to $INETCONF~" test "$cd" != "yes" && test -f $LOCALRC && mv $LOCALRC "$LOCALRC~" && test "$v" = 1 && echo "Backed up $LOCALRC to $LOCALRC~" if [ "$driver" = "psip0" ]; then echo "psip0 { default; } ;" > $INETCONF else echo "eth0 $driver 0 { default; } ;" > $INETCONF fi echo "$driverargs" > $LOCALRC if [ -n "$manual" ] then # Backup config file if it exists and we're not running from CD test "$cd" != "yes" && test -f $RCNET && mv $RCNET "$RCNET~" && test "$v" = 1 && echo "Backed up $RCNET to $RCNET~" test "$cd" != "yes" && test -f $HOSTS && mv $HOSTS "$HOSTS~" && test "$v" = 1 && echo "Backed up $HOSTS to $HOSTS~" # Store manual config echo "ifconfig -I /dev/ip0 -n $netmask -h $ip" > $RCNET test ! -z $gateway && echo "add_route -g $gateway" >> $RCNET echo "daemonize nonamed -L" >> $RCNET test ! -z $dns1 && echo -e "$ip\t%nameserver\t#$hostname" > $HOSTS test ! -z $dns1 && echo -e "$dns1\t%nameserver\t#DNS 1" >> $HOSTS test ! -z $dns2 && echo -e "$dns2\t%nameserver\t#DNS 2" >> $HOSTS echo -e "\n$ip\t$hostname" >> $HOSTS echo $hostname > $HOSTNAME else test "$cd" != "yes" && test -f "$RCNET" && mv "$RCNET" "$RCNET~" && test "$v" = 1 && echo "Moved $RCNET to $RCNET~ to use default settings" test "$cd" != "yes" && test -f $HOSTS && mv $HOSTS "$HOSTS~" && test "$v" = 1 && echo "Backed up $HOSTS to $HOSTS~" test -f "$HOSTS~" && grep -v "%nameserver" "$HOSTS~" > $HOSTS fi test "$cd" != "yes" && test "$v" = 1 && echo " You might have to reboot for the changes to take effect." exit 0