commands/scripts/netconf.sh

   1 #!/bin/sh
   2 #
   3 #       netconf 0.1 - Configure network
   4 #
   5 # Changes:
   6 #
   7
   8 LOCALRC=/usr/etc/rc.local
   9 INETCONF=/etc/inet.conf
  10 RCNET=/etc/rc.net
  11 HOSTS=/etc/hosts
  12 HOSTNAME=/etc/hostname.file
  13 USRKBFILE=/.usrkb
  14
  15 step1=""
  16 step2=""
  17 step3=""
  18 v=1 # verbosity
  19 manual_opts=0
  20 prefix=""
  21 cd="no" # running from cd?
  22
  23 eth=""
  24 driver=""
  25 driverargs=""
  26
  27 config=""
  28 manual=""
  29 dhcp="no"
  30
  31 hostname=""
  32 hostname_prev=""
  33 ip=""
  34 ip_prev=""
  35 netmask=""
  36 netmask_prev=""
  37 gateway=""
  38 dns1=""
  39 dns2=""
  40
  41 # Provide some sane defaults
  42 hostname_default=`uname -n`
  43 test -z "$hostname_default" && hostname_default="Minix"
  44 ip_default="10.0.0.1"
  45 netmask_default="255.255.255.0"
  46 gateway_default=""
  47
  48 usage()
  49 {
  50     cat >&2 <<'EOF'
  51 Usage:
  52
  53   netconf [-q] [-p <prefix>] [-e <num>] [-a]
  54   netconf [-H <name> -i <ip> -n <mask> -g <gw> -d <prim dns> [-s <sec dns>]]
  55
  56   flags:
  57      -q Limit generated output
  58      -p Path prefix for configuration files (e.g., during install -p mnt is used as files are mounted on /mnt).
  59      -e Ethernet card
  60      -a Use DHCP (-H, -i, -n, -g, -d, and -s flags are discarded)
  61      -H Hostname
  62      -i IP address
  63      -n Netmask
  64      -g Default gateway
  65      -d Primary DNS
  66      -s Secondary DNS
  67      -h Shows this help file
  68      -c Shows a list of ethernet cards supported
  69
  70   By default netconf starts in Interactive mode. By providing parameters on the
  71   command line, some questions can be omitted.
  72 EOF
  73     exit 1
  74 }
  75
  76 card()
  77 {
  78         card_number=$1
  79         card_name=$2
  80         card_avail=0
  81         shift 2
  82         while [ $# -gt 0 ]
  83         do
  84                 lspci | grep > /dev/null "^$1" && card_avail=1
  85                 shift
  86         done
  87         if [ $card_avail -gt 0 ]
  88         then
  89                 card_mark="*"
  90                 eth_default=$card_number
  91         else
  92                 card_mark=" "
  93         fi
  94         printf "%2d. %s %s\n" "$card_number" "$card_mark" "$card_name"
  95 }
  96
  97 cards()
  98 {
  99     card 0 "No Ethernet card (no networking)"
 100     card 1 "Intel Pro/100" "8086:103D" "8086:1064" "8086:1229" "8086:2449"
 101     card 2 "3Com 501 or 3Com 509 based card"
 102     card 3 "Realtek 8139 based card (also emulated by KVM)"            \
 103            "10EC:8139" "02AC:1012" "1065:8139" "1113:1211" "1186:1300" \
 104            "1186:1340" "11DB:1234" "1259:A117" "1259:A11E" "126C:1211" \
 105            "13D1:AB06" "1432:9130" "14EA:AB06" "14EA:AB07" "1500:1360" \
 106            "1743:8139" "4033:1360"
 107     card 4 "Realtek 8169 based card"    \
 108            "10EC:8129" "10EC:8167" "10EC:8169" "1186:4300" "1259:C107" \
 109            "1385:8169" "16EC:0116" "1737:1032"
 110     card 5 "Realtek 8029 based card (also emulated by Qemu)" "10EC:8029"
 111     card 6 "NE2000, 3com 503 or WD based card (also emulated by Bochs)"
 112     card 7 "AMD LANCE (also emulated by VMWare and VirtualBox)" "1022:2000"
 113     card 8 "Intel PRO/1000 Gigabit" "8086:100E" "8086:107C" "8086:10CD"
 114     card 9 "Attansic/Atheros L2 FastEthernet" "1969:2048"
 115     card 10 "DEC Tulip 21140A in VirtualPC" "1011:0009"
 116     card 11 "Different Ethernet card (no networking)"
 117 }
 118
 119 warn()
 120 {
 121     echo -e "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b ! $1"
 122 }
 123
 124 do_step1()
 125 {
 126     eth_default=0
 127
 128     # Ask user about networking
 129     echo "MINIX 3 currently supports the following Ethernet cards. PCI cards detected"
 130     echo "by MINIX are marked with *. Please choose: "
 131     echo ""
 132     cards
 133     echo ""
 134
 135     while [ "$step1" != ok ]; do
 136       echo -n "Ethernet card? [$eth_default] "; read eth
 137       test -z $eth && eth=$eth_default
 138
 139       drv_params $eth
 140       test -n "$driver" && step1="ok"
 141     done
 142 }
 143
 144 drv_params()
 145 {
 146       case "$1" in
 147         0) driver=psip0;    ;;
 148         1) driver=fxp;      ;;
 149         2) driver=dpeth;    driverargs="#dpeth_arg='DPETH0=port:irq:memory'";
 150            test "$v" = 1 && echo ""
 151            test "$v" = 1 && echo "Note: After installing, edit $LOCALRC to the right configuration."
 152                 ;;
 153         4) driver=rtl8169;  ;;
 154         3) driver=rtl8139;  ;;
 155         5) driver=dp8390;   driverargs="dp8390_arg='DPETH0=pci'";       ;;
 156         6) driver=dp8390;   driverargs="dp8390_arg='DPETH0=240:9'";
 157            test "$v" = 1 && echo ""
 158            test "$v" = 1 && echo "Note: After installing, edit $LOCALRC to the right configuration."
 159            test "$v" = 1 && echo " chose option 4, the defaults for emulation by Bochs have been set."
 160                 ;;
 161         7) driver="lance"; ;;
 162         8) driver="e1000"; ;;
 163         9) driver="atl2";   ;;
 164         10) driver="dec21140A"; ;;
 165         11) driver="psip0"; ;;
 166         *) warn "choose a number"
 167       esac
 168 }
 169
 170 do_step2()
 171 {
 172     echo ""
 173     echo "Configure network using DHCP or manually?"
 174     echo ""
 175     echo "1. Automatically using DHCP"
 176     echo "2. Manually"
 177     echo ""
 178
 179     while [ "$step2" != ok ]
 180       do
 181         echo -n "Configure method? [1] "; read config
 182         test -z $config && config=1
 183
 184         case "$config" in
 185             1) step2="ok"; dhcp="yes" ; ;;
 186             2) step2="ok"; manual="do"; ;;
 187             *) warn "choose a number"
 188         esac
 189     done
 190
 191     # Use manual parameters?
 192     if [ -n "$manual" ]; then
 193         # Query user for settings
 194         # Hostname
 195         if [ -z $hostname_prev ]; then
 196             hostname_prev=$hostname_default
 197         fi
 198         echo -n "Hostname [$hostname_prev]: "
 199         read hostname
 200         if [ ! -z $hostname ]; then
 201             hostname_prev=$hostname
 202         else
 203             hostname=$hostname_prev
 204         fi
 205
 206         # IP address
 207         if [ -z $ip_prev ]; then
 208             ip_prev=$ip_default
 209         fi
 210         echo -n "IP address [$ip_prev]: "
 211         read ip
 212         if [ ! -z $ip ]; then
 213             ip_prev=$ip
 214         else
 215             ip=$ip_prev
 216         fi
 217
 218         # Netmask
 219         if [ -z $netmask_prev ]; then
 220             netmask_prev=$netmask_default
 221         fi
 222         echo -n "Netmask [$netmask_prev]: "
 223         read netmask
 224         if [ ! -z $netmask ]; then
 225             netmask_prev=$netmask
 226         else
 227             netmask=$netmask_prev
 228         fi
 229
 230         # Gateway (no gateway is fine for local networking)
 231         echo -n "Gateway: "
 232         read gateway
 233
 234         # DNS Servers
 235         echo -n "Primary DNS Server [$dns1_prev]: "
 236         read dns1
 237         test -z "$dns1" && test -n "$dns1_prev" && dns1=$dns1_prev
 238         if [ ! -z "$dns1" ]; then
 239             dns1_prev=$dns1
 240
 241             echo -n "Secondary DNS Server [$dns2_prev]: "
 242             read dns2
 243             if [ ! -z $dns2 ]; then
 244                 dns2_prev=$dns2
 245             fi
 246         else
 247             # If no primary DNS, then also no secondary DNS
 248             dns2=""
 249         fi
 250     fi
 251 }
 252
 253 # Parse options
 254 while getopts ":qe:p:aH:i:n:g:d:s:hc" arg; do
 255     case "$arg" in
 256         q) v=0; ;;
 257         e) ethernet=$OPTARG;
 258            test "$ethernet" -ge 0 -a "$ethernet" -le 7 2>/dev/null || usage
 259            drv_params $ethernet
 260            ;;
 261         p) prefix=$OPTARG; ;;
 262         a) dhcp="yes"; ;;
 263         H) hostname=$OPTARG; manual_opts=`expr $manual_opts '+' 1`;;
 264         i) ip=$OPTARG;       manual_opts=`expr $manual_opts '+' 1`;;
 265         n) netmask=$OPTARG;  manual_opts=`expr $manual_opts '+' 1`;;
 266         g) gateway=$OPTARG;  manual_opts=`expr $manual_opts '+' 1`;;
 267         d) dns1=$OPTARG;     ;;
 268         s) dns2=$OPTARG;     ;;
 269         h) usage ;;
 270         c) echo -e "The following cards are supported by Minix:\n";
 271            cards; exit 0
 272            ;;
 273         \?) echo "Unknown option -$OPTARG"; usage ;;
 274         :) echo "Missing required argument for -$OPTARG"; usage ;;
 275         *)  usage ;;
 276     esac
 277 done
 278
 279 # Verify parameter count
 280 if [ "$dhcp" != "yes" ] ; then
 281     if [ $manual_opts -gt 0 ] ; then
 282         test $manual_opts -eq 4 -a -n "$dns1" || usage
 283         manual="do"
 284     fi
 285 fi
 286
 287 if [ -n "$prefix" ] ; then
 288     LOCALRC=$prefix$LOCALRC
 289     INETCONF=$prefix$INETCONF
 290     RCNET=$prefix$RCNET
 291     HOSTS=$prefix$HOSTS
 292     HOSTNAME=$prefix$HOSTNAME
 293     if [ ! -f  $INETCONF ]; then
 294         echo -e "It seems the supplied prefix (\`$prefix') is invalid."
 295         exit 1
 296     fi
 297 fi
 298
 299 if [ "$USER" != root ] ; then
 300     test "$v" = 1 && echo "Please run netconf as root."
 301     exit 1
 302 fi
 303
 304 # Are we running from CD?
 305 if [ -f "$USRKBFILE" ] ; then
 306     cd="yes" # We are running from CD
 307 fi
 308
 309 # Do we know what ethernet card to use?
 310 test -z "$ethernet" && do_step1
 311
 312 # If no parameters are supplied and we're not using DHCP, query for settings
 313 test $manual_opts -eq 0 -a "$dhcp" = "no" && do_step2
 314
 315 # Store settings.
 316 # Do not make backups if we're running from CD
 317 test "$cd" != "yes" && test -f $INETCONF && mv $INETCONF "$INETCONF~" &&
 318                      test "$v" = 1 && echo "Backed up $INETCONF to $INETCONF~"
 319 test "$cd" != "yes" && test -f $LOCALRC && mv $LOCALRC "$LOCALRC~" &&
 320                      test "$v" = 1 && echo "Backed up $LOCALRC to $LOCALRC~"
 321
 322 echo "eth0 $driver 0 { default; } ;" > $INETCONF
 323 echo "$driverargs" > $LOCALRC
 324
 325 if [ -n "$manual" ]
 326     then
 327     # Backup config file if it exists and we're not running from CD
 328     test "$cd" != "yes" && test -f $RCNET && mv $RCNET "$RCNET~" &&
 329                       test "$v" = 1 && echo "Backed up $RCNET to $RCNET~"
 330     test "$cd" != "yes" && test -f $HOSTS && mv $HOSTS "$HOSTS~" &&
 331                       test "$v" = 1 && echo "Backed up $HOSTS to $HOSTS~"
 332
 333     # Store manual config
 334     echo "ifconfig -I /dev/ip0 -n $netmask -h $ip" > $RCNET
 335     test ! -z $gateway && echo "add_route -g $gateway" >> $RCNET
 336     echo "daemonize nonamed -L" >> $RCNET
 337     test ! -z $dns1 && echo -e "$ip\t%nameserver\t#$hostname" > $HOSTS
 338     test ! -z $dns1 && echo -e "$dns1\t%nameserver\t#DNS 1" >> $HOSTS
 339     test ! -z $dns2 && echo -e "$dns2\t%nameserver\t#DNS 2" >> $HOSTS
 340     echo -e "\n$ip\t$hostname" >> $HOSTS
 341     echo $hostname > $HOSTNAME
 342 else
 343     test "$cd" != "yes" && test -f "$RCNET" && mv "$RCNET" "$RCNET~" &&
 344         test "$v" = 1 && echo "Moved $RCNET to $RCNET~ to use default settings"
 345     test "$cd" != "yes" && test -f $HOSTS && mv $HOSTS "$HOSTS~" &&
 346         test "$v" = 1 && echo "Backed up $HOSTS to $HOSTS~"
 347     test -f "$HOSTS~" && grep -v "%nameserver" "$HOSTS~" > $HOSTS
 348 fi
 349
 350 test "$cd" != "yes" && test "$v" = 1 && echo "
 351 You might have to reboot for the changes to take effect."
 352 exit 0