sbin/netcardconfig

   1 #!/bin/bash
   2 # Filename:      grml-network
   3 # Purpose:       configuration script for network
   4 # Authors:       Michael Prokop <mika@grml.org>, Marcel Wichern 2006, Klaus Knopper 2002, Niall Walsh + Stefan Lippers-Hollmann 2004-2007
   5 # Bug-Reports:   see http://grml.org/bugs/
   6 # License:       This file is licensed under the GPL v2.
   7 ################################################################################
   8 # Changes have been merged from Kanotix's and Sidux's netcardconfig:
   9 # http://kanotix.com/files/debian/pool/main/n/netcardconfig-kanotix/
  10 # http://svn.berlios.de/wsvn/fullstory/configure-networkcard/trunk/
  11 ################################################################################
  12
  13 PATH="/bin:/sbin:/usr/bin:/usr/sbin"
  14 LANGUAGE=C LANG=C
  15 export PATH LANGUAGE LANG
  16
  17 . /etc/grml/script-functions
  18 check4root || exit 1
  19
  20 TMP=$(mktemp)
  21
  22 bailout() {
  23   rm -f "$TMP"
  24   exit "${1:-0}"
  25 }
  26
  27 # This function produces the IWOURLINE for interfaces
  28 writeiwline() {
  29   IWOURLINE=""
  30   if [ -n "$NWID" ]; then
  31     IWOURLINE="$IWOURLINE\twireless-nwid $NWID\n"
  32   fi
  33
  34   if [ -n "$MODE" ]; then
  35     IWOURLINE="$IWOURLINE\twireless-mode $MODE\n"
  36   fi
  37
  38   if [ -n "$CHANNEL" ]; then
  39     IWOURLINE="$IWOURLINE\twireless-channel $CHANNEL\n"
  40   fi
  41
  42   if [ -n "$FREQ" ]; then
  43     IWOURLINE="$IWOURLINE\twireless-freq $FREQ\n"
  44   fi
  45
  46   if [ -n "$KEY" ]; then
  47     if [ "$PUBKEY" -eq 1 ]; then
  48       # Store the key in interfaces in wireless-key
  49       IWOURLINE="$IWOURLINE\twireless-key $KEY\n"
  50     else
  51       # Store the key in /etc/network/wep.$DV which is root readable only
  52       # Use pre-up in interfaces to read and set it
  53       echo "$KEY" > "/etc/network/wep.$DV" && chmod 600 "/etc/network/wep.$DV" && IWOURLINE="$IWOURLINE\tpre-up KEY=\$(cat /etc/network/wep.$DV) && iwconfig $DV key \$KEY\n"
  54     fi
  55   fi
  56
  57   for mod in /sys/module/rt2??0/ ; do
  58     if [ -d "$mod" ]; then
  59       IWPREUPLINE="$IWPREUPLINE\tpre-up /sbin/ip link set $DV up\n"
  60       break
  61     fi
  62   done
  63
  64   if [ -n "$IWCONFIG" ]; then
  65     IWPREUPLINE="$IWPREUPLINE\tiwconfig $IWCONFIG\n"
  66   fi
  67
  68   if [ -n "$IWSPY" ]; then
  69     IWPREUPLINE="$IWPREUPLINE\tiwspy $IWSPY\n"
  70   fi
  71
  72   if [ -n "$IWPRIV" ]; then
  73     IWPREUPLINE="$IWPREUPLINE\tiwpriv $IWPRIV\n"
  74   fi
  75
  76   # execute ESSID last, but make sure that it is written as first option
  77   if [ -n "$ESSID" ]; then
  78     IWOURLINE="$IWOURLINE\twireless-essid $ESSID\n"
  79   fi
  80
  81   if [ "$WPAON" -gt 0 ]; then
  82     IWOURLINE="$IWOURLINE\twpa-ssid $ESSID\n\twpa-psk $WPASECRET\n"
  83   fi
  84
  85   IWOURLINE="$IWOURLINE $IWPREUPLINE"
  86   #echo "DEBUG: for interfaces $IWOURLINE"
  87 }
  88
  89 generate_udev_entry() {
  90   interface=''
  91   mkdir -p /etc/udev/scripts
  92   echo "# Auto generated script from netcardconfig on $(date)
  93 # Executing this script generates an entry in /etc/udev/rules.d/z25_persistent-net.rules
  94 # for you, please check z25_persistent-net.rules for existing entries before
  95 # running this script (once more)." > /etc/udev/scripts/netcardconfig
  96   for interface in $(ip -oneline link | awk '!/ lo: / {print $2}' | sed 's/:$//; s/@.*//') ; do
  97       echo -n "INTERFACE=$interface /lib/udev/write_net_rules " >> /etc/udev/scripts/netcardconfig && \
  98       if which udevadm >/dev/null 2>&1; then
  99         udevadm info -a -p "/sys/class/net/$interface" | awk -F'==' '/address/ {print $2}' >> /etc/udev/scripts/netcardconfig
 100       else
 101         udevinfo -a -p "/sys/class/net/$interface" | awk -F'==' '/address/ {print $2}' >> /etc/udev/scripts/netcardconfig
 102       fi
 103   done
 104   # send errors to /dev/null as well because the sed line inside the /lib/udev/write_net_rules
 105   # script outputs a sed warning which might unsettle users
 106   chmod +x /etc/udev/scripts/netcardconfig && /etc/udev/scripts/netcardconfig 1>/dev/null 2>&1
 107 }
 108
 109 disable_config_dhcp() {
 110   if grep -q CONFIG_DHCP /etc/grml/autoconfig ; then
 111      sed -i "s|^CONFIG_DHCP.*|CONFIG_DHCP='no'|" /etc/grml/autoconfig
 112   fi
 113 }
 114
 115 device2props() {
 116   PARTCOUNT=0
 117   isauto=0
 118   isfirewire=0
 119   iswireless=0
 120   driver=""
 121   mac=""
 122   for PART in $DEVICE; do
 123     if [ $PARTCOUNT -eq 0 ]; then
 124       DEVICENAME=$PART
 125     else
 126       echo "$PART" | grep -q A::1 && isauto=1
 127       echo "$PART" | grep -q F::1 && isfirewire=1
 128       echo "$PART" | grep -q W::1 && iswireless=1
 129       [ -z "$driver" ] && driver=$(echo "$PART"|awk 'BEGIN {FS="::"} /^D:/{print $2}')
 130       [ -z "$mac" ] && mac=$(echo "$PART"|awk 'BEGIN {FS="::"} /^M:/{print $2}')
 131     fi
 132     ((PARTCOUNT++))
 133   done
 134 }
 135
 136 props2string() {
 137   MY_DEVICE_NAME=""
 138   [ $isfirewire -gt 0 ] && MY_DEVICE_NAME="$NET_DEVICE_NAME_FW"
 139   [ -z "$MY_DEVICE_NAME" ] && [ $iswireless -gt 0 ] && MY_DEVICE_NAME="$NET_DEVICE_NAME_W"
 140   [ -z "$MY_DEVICE_NAME" ] && MY_DEVICE_NAME="$NET_DEVICE_NAME"
 141   MY_DEVICE_NAME="$DEVICENAME $MY_DEVICE_NAME $mac $driver"
 142   [ $isauto -gt 0 ] && MY_DEVICE_NAME="$MY_DEVICE_NAME $NET_DEVICE_NAME_AUTO"
 143   MY_DEVICE_NAME="${MY_DEVICE_NAME// /__}"
 144 }
 145
 146 addauto() {
 147   if ! grep -E "^auto .*$DV" /etc/network/interfaces >/dev/null; then
 148     awk '{if(/^auto/){if(done==0){print $0 " '"$DV"'";done=1}else{print}}else{print}}END{if(done==0){print "auto '"$DV"'"}}' "/etc/network/interfaces" > "$TMP"
 149     cat "$TMP" > /etc/network/interfaces
 150   fi
 151 }
 152
 153 remauto(){
 154   if grep -e "^auto .*$DV" /etc/network/interfaces >/dev/null; then
 155     perl -pi -e 's/^(auto.*)'"$DV"'(.*)$/$1$2/;' /etc/network/interfaces
 156   fi
 157 }
 158
 159 scanwlan(){
 160   i=0
 161   ip link set "$DV" up
 162   iwlist "$DV" scanning | grep "ESSID\|Quality" | sed -e "s/^.*ESSID:\"\|\"$//g" | tac > "$TMP"
 163   while read -r line
 164   do
 165     WARRAY[i++]=$line
 166   done < "$TMP"
 167   unset i
 168   rm -f "$TMP"
 169 }
 170
 171 configiface() {
 172   local METHOD
 173   METHOD="${1,,}"
 174   if [[ -n "${METHOD}" ]] && [[ "${METHOD}" != 'dhcp' ]]; then
 175     local IP
 176     IP="${2}"
 177     local NM
 178     NM="${3}"
 179     local DG
 180     DG="${4}"
 181     local NS
 182     NS="${5}"
 183     local BC
 184     BC="${IP%.*}.255"
 185   fi
 186
 187   [ ! -r /etc/network/interfaces ] && touch /etc/network/interfaces
 188   DEVICE=${NETDEVICES[$DV]}
 189   device2props
 190   DV=$DEVICENAME
 191   ifdown "${DV}" --force
 192   sleep 3
 193   # INTERACTIVE=true
 194   if "${INTERACTIVE}" ; then
 195     # Setup wireless options?
 196     if [ $iswireless -gt 0 ] && $DIALOG --yesno "$MESSAGE13" 8 45; then
 197       WLDEVICECOUNT="$(LANG=C LC_MESSAGEWS=C iwconfig "$DV" 2>/dev/null | wc -l)"
 198       ESSID=""
 199       NWID=""
 200       MODE=""
 201       CHANNEL=""
 202       FREQ=""
 203       SENS=""
 204       RATE=""
 205       KEY=""
 206       RTS=""
 207       FRAG=""
 208       IWCONFIG=""
 209       IWSPY=""
 210       IWPRIV=""
 211
 212       if [ -f /etc/network/interfaces ]; then
 213         awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
 214           /essid/{if(found){for(i=NF;i>=2;i--)essid=$i "~" essid}}
 215           /nwid/{if(found){nwid=$NF}}
 216           /mode/{if(found){mode=$NF}}
 217           /channel/{if(found){channel=$NF}}
 218           /freq/{if(found){freq=$NF}}
 219           /sens/{if(found){sens=$NF}}
 220           /rate/{if(found){rate=$NF}}
 221           /rts/{if(found){rts=$NF}}
 222           /frag/{if(found){frag=$NF}}
 223           /iwconfig/{if(!/KEY/){if(found){iwconfig=$NF}}}
 224           /iwspy/{if(found){iwspy=$NF}}
 225           /iwpriv/{if(found){iwpriv=$NF}}
 226           /wireless[-_]key/{if(found){gsub(/^\W*wireless[-_]key\W*/,"");key=$0}}
 227           END{
 228             if (!(length(essid))){essid="~~~"}
 229             if (!(length(nwid))){nwid="~~~"}
 230             if (!(length(mode))){mode="~~~"}
 231             if (!(length(channel))){channel="~~~"}
 232             if (!(length(freq))){freq="~~~"}
 233             if (!(length(sens))){sens="~~~"}
 234             if (!(length(rate))){rate="~~~"}
 235             if (!(length(rts))){rts="~~~"}
 236             if (!(length(frag))){frag="~~~"}
 237             if (!(length(iwconfig))){iwconfig="~~~"}
 238             if (!(length(iwspy))){iwspy="~~~"}
 239             if (!(length(iwpriv))){iwpriv="~~~"}
 240             if (!(length(key))){key="~~~"}
 241             print essid" "nwid" "mode" "channel" "freq" "sens" "rate" "rts" "frag" "iwconfig" "iwspy" "iwpriv" "key
 242           }' /etc/network/interfaces >"$TMP"
 243
 244         read -r ESSID NWID MODE CHANNEL FREQ SENS RATE RTS FRAG IWCONFIG IWSPY IWPRIV KEY<"$TMP"
 245
 246         [[ "$ESSID" =~ ^~~~$ ]]    && ESSID=""
 247         [[ "$NWID" =~ ^~~~$ ]]     && NWID=""
 248         [[ "$MODE" =~ ^~~~$ ]]     && MODE=""
 249         [[ "$CHANNEL" =~ ^~~~$ ]]  && CHANNEL=""
 250         [[ "$FREQ" =~ ^~~~$ ]]     && FREQ=""
 251         [[ "$SENS" =~ ^~~~$ ]]     && SENS=""
 252         [[ "$RATE" =~ ^~~~$ ]]     && RATE=""
 253         [[ "$RTS" =~ ^~~~$ ]]      && RTS=""
 254         [[ "$FRAG" =~ ^~~~$ ]]     && FRAG=""
 255         [[ "$IWCONFIG" =~ ^~~~$ ]] && IWCONFIG=""
 256         [[ "$IWSPY" =~ ^~~~$ ]]    && IWSPY=""
 257         [[ "$IWPRIV" =~ ^~~~$ ]]   && IWPRIV=""
 258         [[ "$KEY" =~ ^~~~$ ]]      && KEY=""
 259
 260         # shellcheck disable=SC2088
 261         ESSID=$(echo $ESSID | tr '~' " " | sed 's/ *$//')
 262
 263         if [ -z "$KEY" ]; then
 264           KEY=$(cat "/etc/network/wep.$DV" 2>/dev/null)
 265
 266           if [ -z "$KEY" ]; then
 267             PUBKEY=0
 268           else
 269             PUBKEY=-1
 270           fi
 271         else
 272           PUBKEY=1
 273         fi
 274
 275         #echo "DEBUG:E:$ESSID N:$NWID M:$MODE C:$CHANNEL F:$FREQ S:$SENS R:$RATE K:$KEY R:$RTS F:$FRAG I:$IWCONFIG I:$IWSPY I:$IWPRIV"
 276         rm -f "$TMP"
 277       fi
 278
 279       # ask to scan or manually set wireless network
 280       if $DIALOG --yesno "$MESSAGEWSCAN1" 8 45 ; then
 281         RESCAN=1
 282
 283         while [ $RESCAN -eq 1 ]
 284         do
 285           scanwlan
 286           $DIALOG --extra-button --extra-label "Rescan" --menu "$MESSAGEWSCAN2" 20 70 15 "${WARRAY[@]}" 2>"$TMP"
 287           case $? in
 288             0)
 289               RESCAN=0
 290               ;;
 291             3)
 292               ;;
 293             *)
 294               bailout 1
 295               ;;
 296           esac
 297         done
 298
 299         read -r ESSID <"$TMP" ; rm -f "$TMP"
 300         [ -z "$MODE" ] && MODE="Managed"
 301
 302       else
 303
 304         $DIALOG --inputbox "$MESSAGEW4 $DEVICENAME $MESSAGEW5" 15 50 "$ESSID" 2>"$TMP" || bailout 1
 305         read -r ESSID <"$TMP" ; rm -f "$TMP"
 306         [ -z "$ESSID" ] && ESSID="any"
 307
 308         $DIALOG --inputbox "$MESSAGEW6 $DEVICENAME $MESSAGEW7" 15 50 "$NWID" 2>"$TMP" || bailout 1
 309         read -r NWID <"$TMP" ; rm -f "$TMP"
 310
 311         $DIALOG --inputbox "$MESSAGEW8 $DEVICENAME $MESSAGEW9" 15 50 "$MODE" 2>"$TMP" || bailout 1
 312         read -r MODE <"$TMP" ; rm -f "$TMP"
 313         [ -z "$MODE" ] && MODE="Managed"
 314
 315         $DIALOG --inputbox "$MESSAGEW10 $DEVICENAME $MESSAGEW11" 15 50 "$CHANNEL" 2>"$TMP" || bailout 1
 316         read -r CHANNEL <"$TMP" ; rm -f "$TMP"
 317
 318         if [ -z "$CHANNEL" ]; then
 319           $DIALOG --inputbox "$MESSAGEW12 $DEVICENAME $MESSAGEW13" 15 50 "$FREQ" 2>"$TMP" || bailout 1
 320           read -r FREQ <"$TMP" ; rm -f "$TMP"
 321         fi
 322
 323       fi
 324
 325       WPAON=0
 326       IWDRIVER=$driver
 327
 328       case $IWDRIVER in
 329         ath_pci)
 330           WPA_DEV="madwifi"
 331           ;;
 332         ipw2200|ipw2100|ipw3945)
 333           WPA_DEV="wext"
 334           ;;
 335         hostap)
 336           WPA_DEV="hostap"
 337           ;;
 338         *)
 339           WPA_DEV="wext"
 340           ;;
 341       esac
 342
 343       if [ -z "$WPA_DEV" ]; then
 344         if [ -d "/proc/net/ndiswrapper/$DV" ]; then
 345           WPA_DEV=ndiswrapper
 346         elif [ -d "/proc/net/hostap/$DV" ]; then
 347           WPA_DEV=hostap
 348         elif [ "$WLDEVICECOUNT" -eq 1 ]; then
 349           if [ -e /proc/driver/atmel ]; then
 350             WPA_DEV=atmel
 351           fi
 352         fi
 353       fi
 354
 355       WPAON=-1
 356
 357       if [ -n "$WPA_DEV" ]; then
 358          if $DIALOG --yesno "$MESSAGEW22" 15 50; then
 359             # Other wpa options
 360             # scan_ssid [0]|1
 361             # bssid 00:11:22:33:44:55
 362             # priority [0]|Integer
 363             # proto [WPA RSN] WPA|RSN
 364             # key_mgmt [WPA-PSK WPA-EAP]|NONE|WPA-PSK|WPA-EAP|IEEE8021X
 365             # pairwise [CCMP TKIP]|CCMP|TKIP|NONE
 366             # group [CCMP TKIP WEP105 WEP40]|CCMP|TKIP|WEP105|WEP40
 367             # eapol_flags [3]|1|2
 368
 369             WPAON=1
 370             KEY=""
 371             WPASECRET=$(awk '
 372                     /iface/{
 373                             if(found){
 374                                     found=0
 375                             }
 376                             else if (/'"$DV"'/){
 377                                     found=1
 378                             }
 379                     }
 380                     /wpa-psk/{
 381                             if(found){
 382                                     gsub(/\W*#.*$/,"");
 383                                     if (gsub(/^\W*wpa-psk\W*/,"")){
 384                                             gsub(/\W.*$/,"");
 385                                             print;
 386                                             exit;
 387                                     }
 388                             }
 389                     }
 390                     ' /etc/network/interfaces)
 391             FIRST_RUN=0  # show the wpasecret input box at least once
 392             while ( [ -z "$WPASECRET" ] || [ "$FIRST_RUN" ] ) ; do
 393               $DIALOG --inputbox "$MESSAGEW23 $ESSID" 15 50 "$WPASECRET" 2>"$TMP" || bailout 1
 394               read -r WPASECRET <"$TMP"
 395               if [ -z "$WPASECRET" ] ; then
 396                 $DIALOG --msgbox "Sorry, empty password not allowed, please retry." 0 0 || bailout 1
 397               fi
 398               FIRST_RUN=""
 399             done
 400
 401             rm -f "$TMP"
 402
 403             case $WPA_DEV in
 404                  hostap)
 405                  MODE="Managed"
 406                  ;;
 407             esac
 408          else
 409             WPASECRET=""
 410          fi
 411       else
 412          WPASECRET=""
 413       fi
 414
 415       # No need for a wep key if we are using wpa
 416       if [ ! $WPAON -eq 1 ]; then
 417          $DIALOG --inputbox "$MESSAGEW14 $DEVICENAME $MESSAGEW15" 15 50 "$KEY" 2>"$TMP" || bailout 1
 418          read -r KEY <"$TMP" ; rm -f "$TMP"
 419
 420          if [ -n "$KEY" ] && [ "$PUBKEY" -eq 0 ]; then
 421             if ! $DIALOG --yesno "$MESSAGEW25 $DEVICENAME $MESSAGEW26" 15 50; then
 422                PUBKEY=1
 423             fi
 424          fi
 425       fi
 426
 427       $DIALOG --inputbox "$MESSAGEW16 $DEVICENAME $MESSAGEW17" 15 50 "$IWCONFIG" 2>"$TMP" || bailout 1
 428       read -r IWCONFIG <"$TMP" ; rm -f "$TMP"
 429
 430       $DIALOG --inputbox "$MESSAGEW18 $DEVICENAME $MESSAGEW19" 15 50 "$IWSPY" 2>"$TMP" || bailout 1
 431       read -r IWSPY <"$TMP" ; rm -f "$TMP"
 432
 433       $DIALOG --inputbox "$MESSAGEW20 $DEVICENAME $MESSAGEW21" 15 50 "$IWPRIV" 2>"$TMP" || bailout 1
 434       read -r IWPRIV <"$TMP" ; rm -f "$TMP"
 435
 436       unset IWOURLINE
 437       if [ "$iswireless" = "1" ] ; then
 438         writeiwline
 439       fi
 440
 441     fi # Setup wireless options?
 442
 443     # Configure VLAN on this interface?
 444     if $DIALOG --defaultno --yesno "$MESSAGE16" 8 45; then
 445       $DIALOG --inputbox "$MESSAGE17 $DV" 10 45 2>"$TMP" || bailout 1
 446       read -r VLAN <"$TMP" ; rm -f "$TMP"
 447       if [ -n "$VLAN" ]; then
 448         modprobe 8021q # avoid warning that VLAN support isn't present yet
 449         PDV=$DV
 450         DV="vlan$VLAN"
 451       fi
 452     fi
 453   fi # INTERACTIVE=true
 454
 455   # Use DHCP broadcast?
 456   if ("${INTERACTIVE}" && "${DIALOG}" --yesno "${MESSAGE2}" 8 45) || \
 457     (! "${INTERACTIVE}" && [[ "${METHOD}" == 'dhcp' ]]) ; then
 458     if [ -w /etc/network/interfaces ]; then
 459       rm -f "$TMP"
 460       awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
 461         /^\W$/{if(blank==0){lastblank=1}else{lastblank=0}{blank=1}}
 462         /\w/{blank=0;lastblank=0}
 463         {if(!(found+lastblank)){print}}
 464         END{print "iface '"$DV"' inet dhcp";if("'"$PDV"'"!=""){print "\tvlan-raw-device '"$PDV"'"}}' \
 465         /etc/network/interfaces >"$TMP"
 466       case "$DV" in
 467         "$WLAN")
 468           # write wireless configuration only when we are dealing with a wireless device,
 469           # it might be set from a previous configuration run of a wireless device
 470           # while the currently configured network device isn't a wireless device
 471           echo -e "$IWOURLINE" >> "$TMP"
 472           ;;
 473       esac
 474       #echo -e "\n\n" >> $TMP
 475       cat "$TMP" >/etc/network/interfaces
 476       rm -f "$TMP"
 477       # Add an "auto" entry
 478       #addauto
 479     fi
 480   else
 481     if "${INTERACTIVE}" ; then
 482       if [ -f /etc/network/interfaces ]; then
 483         awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
 484           /address/{if(found){address=$NF}}
 485           /netmask/{if(found){netmask=$NF}}
 486           /broadcast/{if(found){broadcast=$NF}}
 487           /gateway/{if(found){gateway=$NF}}
 488           /dns-nameservers/{if(found){dnsnameservers=$NF}}
 489           END{print address" "netmask" "broadcast" "gateway" "dnsnameservers}' /etc/network/interfaces >"$TMP"
 490         read -r IP NM BC DG NS <"$TMP"
 491         rm -f "$TMP"
 492       fi
 493
 494       $DIALOG --inputbox "$MESSAGE6 $DV" 10 45 "${IP:-192.168.0.1}" 2>"$TMP" || bailout 1
 495       read -r IP <"$TMP" ; rm -f "$TMP"
 496
 497       $DIALOG --inputbox "$MESSAGE7 $DV" 10 45 "${NM:-255.255.255.0}" 2>"$TMP" || bailout 1
 498       read -r NM <"$TMP" ; rm -f "$TMP"
 499
 500       $DIALOG --inputbox "$MESSAGE8 $DV" 10 45 "${BC:-${IP%.*}.255}" 2>"$TMP" || bailout 1
 501       read -r BC <"$TMP" ; rm -f "$TMP"
 502
 503       $DIALOG --inputbox "$MESSAGE9" 10 45 "${DG:-${IP%.*}.1}" 2>"$TMP"
 504       read -r DG <"$TMP" ; rm -f "$TMP"
 505
 506       if [ -f "/etc/resolv.conf" ]; then
 507         NS="$(awk '/^nameserver/{printf "%s ",$2}' /etc/resolv.conf)"
 508       fi
 509
 510       $DIALOG --inputbox "$MESSAGE10" 10 45 "${NS:-$DG}" 2>"$TMP"
 511       read -r NS <"$TMP" ; rm -f "$TMP"
 512     fi
 513
 514     if [ -w /etc/network/interfaces ]; then
 515       case "$DV" in
 516         "$WLAN")
 517           ;;
 518         *)
 519           # ensure we don't leak the IWOURLINE into the
 520           # following awk command line, if we are configuring
 521           # a device without wireless capabilities
 522           unset IWOURLINE
 523           ;;
 524       esac
 525
 526       awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
 527         {if(!found){print}}
 528         END{print "\niface '"$DV"' inet static\n\taddress '"$IP"'\n\tnetmask '"$NM"'\n\tnetwork '"${IP%.*}.0"'";if("'"$BC"'"!=""){print "\tbroadcast '"$BC"'"};if("'"$DG"'"!=""){print "\tgateway '"$DG"'"};if("'"$NS"'"!=""){print "\tdns-nameservers '"$NS"'"};if("'"$PDV"'"!=""){print "\tvlan-raw-device '"$PDV"'"};if("'"$IWOURLINE"'"!=""){print "'"$IWOURLINE"'"};print "\n"}' \
 529         /etc/network/interfaces >"$TMP"
 530
 531       cat "$TMP" >/etc/network/interfaces
 532       rm -f "$TMP"
 533
 534       # Add an "auto" entry
 535       #addauto
 536     fi
 537
 538   fi # Use DHCP broadcast?
 539   echo "Done."
 540 }
 541
 542 enable_auto_if () {
 543   addauto
 544   # get persistent interface names across reboots
 545   generate_udev_entry
 546   # make sure we don't run the dhcp stuff when using /etc/network/interfaces
 547   disable_config_dhcp
 548 }
 549
 550 DIALOG="dialog"
 551
 552 NET_DEVICE_NAME="Network_device"
 553 NET_DEVICE_NAME_W="Wireless_device"
 554 NET_DEVICE_NAME_FW="Firewire_device"
 555 NET_DEVICE_NAME_AUTO="Auto"
 556 MESSAGE0="No supported network cards found."
 557 MESSAGE1="Please select network device"
 558 MESSAGE2="Use DHCP broadcast?"
 559 MESSAGE6="Please enter IP Address for"
 560 MESSAGE7="Please enter Network Mask for"
 561 MESSAGE8="Please enter Broadcast Address for"
 562 MESSAGE9="Please enter Default Gateway"
 563 MESSAGE10="Please enter Nameserver(s)"
 564 MESSAGE13="Setup wireless options?"
 565 MESSAGE14="Failed to bring up the interface, would you like to reconfigure it?"
 566 MESSAGE15="Interface enabled, do you want it auto enabled at boot?"
 567 MESSAGE16="Configure VLAN on this interface?"
 568 MESSAGE17="Please enter VLAN id for"
 569 MESSAGEW4="Enter the ESSID for"
 570 MESSAGEW5="\n\n\n(empty for 'any', not recommended !)\n"
 571 MESSAGEW6="Enter the NWID (cell identifier)\nfor"
 572 MESSAGEW7=", if needed\n\n\n"
 573 MESSAGEW8="Enter the mode for"
 574 MESSAGEW9="\n\n(Managed(=default), Ad-Hoc, Master,\nRepeater, Secondary, auto)\n"
 575 MESSAGEW10="Enter channel number for"
 576 MESSAGEW11="\n\n(0 bis 16, empty for auto or if you want to\n enter the frequency next)\n"
 577 MESSAGEW12="Enter the frequency for"
 578 MESSAGEW13="\n\n(e.g 2.412G, empty for auto)"
 579 MESSAGEW14="Enter the encryption key\nfor"
 580 MESSAGEW15="\n\n(empty for cleartext, not recommended !!)"
 581 MESSAGEW16="Enter additional parameters for\n'iwconfig"
 582 MESSAGEW17="' if needed, e.g.\n\n\nsens -80  rts 512  frag 512  rate 5.5M"
 583 MESSAGEW18="Enter additional parameters for\n'iwspy"
 584 MESSAGEW19="' if needed\n\n\n"
 585 MESSAGEW20="Enter additional parameters for\n'iwpriv"
 586 MESSAGEW21="' if needed\n\n\n"
 587 MESSAGEW22="Enable WPA support?"
 588 MESSAGEW23="Enter the WPA passphrase (passphrase must be 8..63 characters) for"
 589 MESSAGEW25="Would you like to store your wep key in it's own private file ("
 590 MESSAGEW26=")?   If you say no, your wep key will be stored in /etc/network/interfaces and will be readable by any account on your system.  You may want to 'chmod 600 /etc/network/interfaces' if you answer no to this question"
 591 MESSAGEWSCAN1="Scan for available wireless networks?"
 592 MESSAGEWSCAN2="Please choose a wireless network from below:"
 593
 594 NET_DEV="${NET_DEV:-}"
 595 METHOD="${METHOD,,:-}"
 596 IPADDR="${IPADDR:-}"
 597 NETMASK="${NETMASK:-}"
 598 GATEWAY="${GATEWAY:-}"
 599 DNS="${DNS:-}"
 600 INTERACTIVE=true
 601
 602 NETDEVICESCOUNT=0
 603 if [ -r /proc/net/dev ] ; then
 604    LAN=$(tail -n +3 /proc/net/dev | awk -F: '{print $1}'| sed "s/\s*//" | grep -v -e ^lo -e ^vmnet | sort)
 605 else
 606    LAN=""
 607 fi
 608
 609 if [[ -n "${NET_DEV}" ]] && [[ -n "${METHOD}" ]]; then
 610   if [[ "${METHOD}" != 'dhcp' ]]; then
 611     missed=0
 612     if [[ -z "${IPADDR}" ]]; then
 613       echo "Mandatory parameter IPADDR for method ${METHOD} missing" >&2
 614       ((missed++))
 615     fi
 616     if [[ -z "${NETMASK}" ]]; then
 617       echo "Mandatory parameter NETMASK for method ${METHOD} missing" >&2
 618       ((missed++))
 619     fi
 620     if [[ "${missed}" -gt 0 ]]; then
 621       echo "Can not proceed, exiting..." >&2
 622       bailout 1
 623     fi
 624     unset missed
 625   fi
 626   LAN="${NET_DEV}"
 627   INTERACTIVE=false
 628 fi
 629
 630 if [ -z "${WLAN[*]}" ] ; then
 631   WLAN_OLD=( $(tail -n +3 /proc/net/wireless 2>/dev/null|awk -F: '{print $1}') )
 632   # /proc/net/wireless does not work e.g. with iwl3945 on kernel 2.6.33 anymore
 633   WLAN_NEW=( $(for i in /sys/class/net/* ; do ( [ -d "$i/wireless" ] || [ -d "$i/phy80211" ] ) && basename "$i" ; done) )
 634   set -a WLAN_IWCONFIG
 635   for DEV in $LAN ; do
 636     iwconfig "${DEV}" 2>/dev/null 1>&2 && WLAN_IWCONFIG+=("${DEV}")
 637   done
 638   WLAN=( $(echo "${WLAN_OLD[@]}" "${WLAN_NEW[@]}" "${WLAN_IWCONFIG[@]}" | tr ' ' '\n' | sort -u) )
 639 fi
 640
 641 unset LAN_DEVICES WLAN_DEVICES FIREWIRE_DEVICES NETDEVICES WLAN_IWCONFIG
 642
 643 while read -r dev mac; do
 644 #echo "Making NETDEVICES $NETDEVICESCOUNT $dev"
 645   iswlan=$(echo "$dev" "${WLAN[@]}"|tr ' ' '\n'|sort|uniq -d)
 646   isauto="0"
 647   grep auto /etc/network/interfaces | grep -q "$dev" && isauto="1"
 648   driver=$(ethtool -i "$dev" 2>/dev/null|awk '/^driver:/{print $2}')
 649   if [ "$driver" ]; then
 650     if [ "$iswlan" ]; then
 651       NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac D::$driver W::1 F::0"
 652     else
 653       NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac D::$driver W::0 F::0"
 654     fi
 655   else
 656     if [ "$iswlan" ]; then
 657       NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac W::1 F::0"
 658     else
 659       NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac W::0 F::0"
 660     fi
 661   fi
 662 #echo "Made to ${NETDEVICES[$NETDEVICESCOUNT]}"
 663   ((NETDEVICESCOUNT++))
 664 done < <(ip link show | awk ' !/^\s/{sub(/:/,"",$2);IFACE=$2} /link.ether/{if (IFACE !~/^vmnet/) print IFACE" "$2}')
 665 for dev in $LAN; do
 666   if [ "$(ethtool -i "${dev}" 2>/dev/null|awk '/^bus-info:/{print $2}')" == "ieee1394" ]; then
 667     isauto="0"
 668     grep auto /etc/network/interfaces | grep -q "${dev}" && isauto="1"
 669     NETDEVICES[$NETDEVICESCOUNT]="${dev} A::${isauto} D::$(ethtool -i "${dev}" 2>/dev/null|awk '/^driver:/{print $2}') W::0 F::1"
 670     ((NETDEVICESCOUNT++))
 671   fi
 672 done
 673
 674 #NETDEVICES="$(cat /proc/net/dev | awk -F: '/eth.:|lan.:|tr.:|wlan.:|ath.:|ra.:/{print $1}')"
 675
 676 if [ -z "${NETDEVICES[*]}" ]; then
 677   $DIALOG --msgbox "$MESSAGE0" 15 45
 678   bailout
 679 fi
 680
 681 count="$NETDEVICESCOUNT"
 682
 683 if [ "$count" -gt 1 ]; then
 684   DEVICELIST=()
 685   mycount=0
 686   while [ $mycount -lt $count ]; do
 687     DEVICE=${NETDEVICES[$mycount]}
 688 #echo "$mycount is $DEVICE"
 689     device2props
 690 #echo "name: $DEVICENAME auto: $isauto fw: $isfirewire mac: $mac driver: $driver"
 691     props2string
 692     DEVICELIST=( "${DEVICELIST[@]}" "$mycount" "$MY_DEVICE_NAME" )
 693     ((mycount++))
 694   done
 695 fi
 696
 697 # To translate
 698 EXITKEY="E"
 699 EXITMENU=( $EXITKEY Exit )
 700
 701 # main program loop until they bailout
 702 while (true); do
 703   # first get the device
 704   if [ "$count" -gt 1 ]; then
 705     if "${INTERACTIVE}" ; then
 706       rm -f "$TMP"
 707       $DIALOG --menu "$MESSAGE1" 18 60 12 "${DEVICELIST[@]}" "${EXITMENU[@]}" 2>"$TMP" || bailout
 708       read -r DV <"$TMP" ; rm -f "$TMP"
 709     else
 710       # we have interface name so we need to find its number in NETDEVICES
 711       DV=0
 712       found=false
 713       for DV in "${!NETDEVICES[@]}"; do
 714         if [[ "${NETDEVICES[$DV]}" =~ ^"${NET_DEV} " ]]; then
 715           found=true
 716           break
 717         fi
 718       done
 719       if ! "${found}"; then
 720         echo "There is no interface ${NET_DEV} in the system" >&2
 721         bailout 1
 722       fi
 723
 724       [[ -z "${IFACEDONE}" ]] || bailout
 725     fi
 726     [ "$DV" = "$EXITKEY" ] && bailout
 727   else
 728     # Only one device
 729     DV=0
 730     # they have asked to stop configuring the interface so exit
 731     [ -z "$IFACEDONE" ] || bailout
 732   fi
 733   # device config loop
 734   IFACEDONE=""
 735   while [ -n "$DV" ] && [ -z "$IFACEDONE" ]; do
 736     configiface "${METHOD}" "${IPADDR}" "${NETMASK}" "${GATEWAY}" "${DNS}"
 737     if ! ifup $DV; then
 738       if "${INTERACTIVE}" ; then
 739         $DIALOG --yesno "$MESSAGE14" 15 50 || IFACEDONE="DONE"
 740       else
 741         echo "${MESSAGE14}" >&2
 742         bailout 1
 743       fi
 744     else
 745       if "${INTERACTIVE}" ; then
 746         if $DIALOG --yesno "$MESSAGE15" 12 50 ; then
 747           enable_auto_if
 748         else
 749           remauto
 750         fi
 751       else
 752         enable_auto_if
 753       fi
 754       IFACEDONE="DONE"
 755     fi
 756   done
 757 done
 758
 759 ## END OF FILE #################################################################