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 # Latest change: Don Mär 15 20:36:48 CET 2007 [mika]
8 ################################################################################
9 # Changes have been merged from Kanotix's and Sidux's netcardconfig:
10 # http://kanotix.com/files/debian/pool/main/n/netcardconfig-kanotix/
11 # http://svn.berlios.de/wsvn/fullstory/configure-networkcard/trunk/
12 ################################################################################
14 PATH="/bin:/sbin:/usr/bin:/usr/sbin"
16 export PATH LANGUAGE LANG
18 . /etc/grml/script-functions
28 # This function produces the IWOURLINE for interfaces
31 if [ -n "$NWID" ]; then
32 IWOURLINE="$IWOURLINE wireless-nwid $NWID\n"
35 if [ -n "$MODE" ]; then
36 IWOURLINE="$IWOURLINE wireless-mode $MODE\n"
39 if [ -n "$CHANNEL" ]; then
40 IWOURLINE="$IWOURLINE wireless-channel $CHANNEL\n"
43 if [ -n "$FREQ" ]; then
44 IWOURLINE="$IWOURLINE wireless-freq $FREQ\n"
47 if [ -n "$KEY" ]; then
48 if [ "$PUBKEY" -eq 1 ]; then
49 # Store the key in interfaces in wireless-key
50 IWOURLINE="$IWOURLINE wireless-key $KEY\n"
52 # Store the key in /etc/network/wep.$DV which is root readable only
53 # Use pre-up in interfaces to read and set it
54 echo "$KEY" > /etc/network/wep.$DV && chmod 600 /etc/network/wep.$DV && IWOURLINE="$IWOURLINE pre-up KEY=\$(cat /etc/network/wep.$DV) && iwconfig $DV key \$KEY\n"
58 [ -d /sys/module/rt2??0/ ] && IWPREUPLINE="$IWPREUPLINE pre-up /sbin/ifconfig $DV up\n"
60 if [ -n "$IWCONFIG" ]; then
61 IWPREUPLINE="$IWPREUPLINE iwconfig $IWCONFIG\n"
64 if [ -n "$IWSPY" ]; then
65 IWPREUPLINE="$IWPREUPLINE iwspy $IWSPY\n"
68 if [ -n "$IWPRIV" ]; then
69 IWPREUPLINE="$IWPREUPLINE iwpriv $IWPRIV\n"
72 # execute ESSID last, but make sure that it is written as first option
73 if [ -n "$ESSID" ]; then
74 IWOURLINE="$IWOURLINE wireless-essid $ESSID\n"
77 if [ "$WPAON" -gt 0 ]; then
78 IWOURLINE="$IWOURLINE wpa-ssid $ESSID\n wpa-psk $WPASECRET\n"
81 IWOURLINE="$IWOURLINE $IWPREUPLINE"
82 #echo "DEBUG: for interfaces $IWOURLINE"
85 generate_udev_entry() {
87 echo "# Auto generated script from netcardconfig on $(date)
88 # Executing this script generates an entry in /etc/udev/rules.d/z25_persistent-net.rules
89 # for you, please check z25_persistent-net.rules for existing entries before
90 # running this script (once more)." > /etc/udev/scripts/netcardconfig
91 for interface in `ifconfig | awk '/^[a-z]/ &&!/^lo/{ print $1} '` ; do
92 echo -n "INTERFACE=$interface /lib/udev/write_net_rules " >> /etc/udev/scripts/netcardconfig && \
93 udevinfo -a -p /sys/class/net/$interface | awk -F'==' '/address/ {print $2}' >> /etc/udev/scripts/netcardconfig
95 chmod +x /etc/udev/scripts/netcardconfig && /etc/udev/scripts/netcardconfig 1>/dev/null
105 for PART in $DEVICE; do
106 if [ $PARTCOUNT -eq 0 ]; then
109 echo $PART | grep -q A::1 && isauto=1
110 echo $PART | grep -q F::1 && isfirewire=1
111 echo $PART | grep -q W::1 && iswireless=1
112 [ -z "$driver" ] && driver=$(echo $PART|awk 'BEGIN {FS="::"} /^D:/{print $2}')
113 [ -z "$mac" ] && mac=$(echo $PART|awk 'BEGIN {FS="::"} /^M:/{print $2}')
121 [ $isfirewire -gt 0 ] && MY_DEVICE_NAME="$NET_DEVICE_NAME_FW"
122 [ -z "$MY_DEVICE_NAME" -a $iswireless -gt 0 ] && MY_DEVICE_NAME="$NET_DEVICE_NAME_W"
123 [ -z "$MY_DEVICE_NAME" ] && MY_DEVICE_NAME="$NET_DEVICE_NAME"
124 MY_DEVICE_NAME="$DEVICENAME $MY_DEVICE_NAME $mac $driver"
125 [ $isauto -gt 0 ] && MY_DEVICE_NAME="$MY_DEVICE_NAME $NET_DEVICE_NAME_AUTO"
126 MY_DEVICE_NAME=$(echo $MY_DEVICE_NAME | sed 's/\ /__/g')
130 if ! egrep -e "^auto[ ]+.*$DV" /etc/network/interfaces >/dev/null; then
131 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"
132 cat "$TMP" > /etc/network/interfaces
137 if egrep -e "^auto[ ]+.*$DV" /etc/network/interfaces >/dev/null; then
138 perl -pi -e 's/^(auto.*)'$DV'(.*)$/$1$2/;' /etc/network/interfaces
143 [ ! -r /etc/network/interfaces ] && touch /etc/network/interfaces
144 DEVICE=${NETDEVICES[$DV]}
148 WLDEVICE="$(LANG=C LC_MESSAGEWS=C iwconfig $DV 2>/dev/null | awk '/802\.11|READY|ESSID/{print $1}')"
149 WLDEVICECOUNT="$(LANG=C LC_MESSAGEWS=C iwconfig $DV 2>/dev/null | wc -l)"
150 if [ $iswireless -gt 0 ] && $DIALOG --yesno "$MESSAGE13" 8 45; then
165 if [ -f /etc/network/interfaces ]; then
166 awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
167 /essid/{if(found){for(i=NF;i>=2;i--)essid=$i "~" essid}}
168 /nwid/{if(found){nwid=$NF}}
169 /mode/{if(found){mode=$NF}}
170 /channel/{if(found){channel=$NF}}
171 /freq/{if(found){freq=$NF}}
172 /sens/{if(found){sens=$NF}}
173 /rate/{if(found){rate=$NF}}
174 /rts/{if(found){rts=$NF}}
175 /frag/{if(found){frag=$NF}}
176 /iwconfig/{if(!/KEY/){if(found){iwconfig=$NF}}}
177 /iwspy/{if(found){iwspy=$NF}}
178 /iwpriv/{if(found){iwpriv=$NF}}
179 /wireless[-_]key/{if(found){gsub(/^\W*wireless[-_]key\W*/,"");key=$0}}
181 if (!(length(essid))){essid="~~~"}
182 if (!(length(nwid))){nwid="~~~"}
183 if (!(length(mode))){mode="~~~"}
184 if (!(length(channel))){channel="~~~"}
185 if (!(length(freq))){freq="~~~"}
186 if (!(length(sens))){sens="~~~"}
187 if (!(length(rate))){rate="~~~"}
188 if (!(length(rts))){rts="~~~"}
189 if (!(length(frag))){frag="~~~"}
190 if (!(length(iwconfig))){iwconfig="~~~"}
191 if (!(length(iwspy))){iwspy="~~~"}
192 if (!(length(iwpriv))){iwpriv="~~~"}
193 if (!(length(key))){key="~~~"}
194 print essid" "nwid" "mode" "channel" "freq" "sens" "rate" "rts" "frag" "iwconfig" "iwspy" "iwpriv" "key
195 }' /etc/network/interfaces >"$TMP"
197 read ESSID NWID MODE CHANNEL FREQ SENS RATE RTS FRAG IWCONFIG IWSPY IWPRIV KEY<"$TMP"
199 [ "$ESSID" = "~~~" ] && ESSID=""
200 [ "$NWID" = "~~~" ] && NWID=""
201 [ "$MODE" = "~~~" ] && MODE=""
202 [ "$CHANNEL" = "~~~" ] && CHANNEL=""
203 [ "$FREQ" = "~~~" ] && FREQ=""
204 [ "$SENS" = "~~~" ] && SENS=""
205 [ "$RATE" = "~~~" ] && RATE=""
206 [ "$RTS" = "~~~" ] && RTS=""
207 [ "$FRAG" = "~~~" ] && FRAG=""
208 [ "$IWCONFIG" = "~~~" ] && IWCONFIG=""
209 [ "$IWSPY" = "~~~" ] && IWSPY=""
210 [ "$IWPRIV" = "~~~" ] && IWPRIV=""
211 [ "$KEY" = "~~~" ] && KEY=""
213 ESSID=$(echo $ESSID | tr "~" " " | sed 's/ *$//')
215 if [ -z "$KEY" ]; then
216 KEY=$(cat /etc/network/wep.$DV 2>/dev/null)
218 if [ -z "$KEY" ]; then
227 #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"
231 $DIALOG --inputbox "$MESSAGEW4 $DEVICENAME $MESSAGEW5" 15 50 "$ESSID" 2>"$TMP" || bailout 1
232 read ESSID <"$TMP" ; rm -f "$TMP"
233 [ -z "$ESSID" ] && ESSID="any"
235 $DIALOG --inputbox "$MESSAGEW6 $DEVICENAME $MESSAGEW7" 15 50 "$NWID" 2>"$TMP" || bailout 1
236 read NWID <"$TMP" ; rm -f "$TMP"
238 $DIALOG --inputbox "$MESSAGEW8 $DEVICENAME $MESSAGEW9" 15 50 "$MODE" 2>"$TMP" || bailout 1
239 read MODE <"$TMP" ; rm -f "$TMP"
240 [ -z "$MODE" ] && MODE="Managed"
242 $DIALOG --inputbox "$MESSAGEW10 $DEVICENAME $MESSAGEW11" 15 50 "$CHANNEL" 2>"$TMP" || bailout 1
243 read CHANNEL <"$TMP" ; rm -f "$TMP"
245 if [ -z "$CHANNEL" ]; then
246 $DIALOG --inputbox "$MESSAGEW12 $DEVICENAME $MESSAGEW13" 15 50 "$FREQ" 2>"$TMP" || bailout 1
247 read FREQ <"$TMP" ; rm -f "$TMP"
257 ipw2200|ipw2100|ipw3945)
268 if [ -z "$WPA_DEV" ]; then
269 if [ -d /proc/net/ndiswrapper/$DV ]; then
271 elif [ -d /proc/net/hostap/$DV ]; then
273 elif [ $WLDEVICECOUNT -eq 1 ]; then
274 if [ -e /proc/driver/atmel ]; then
282 if [ -n "$WPA_DEV" ]; then
283 if $DIALOG --yesno "$MESSAGEW22" 15 50; then
286 # bssid 00:11:22:33:44:55
287 # priority [0]|Integer
288 # proto [WPA RSN] WPA|RSN
289 # key_mgmt [WPA-PSK WPA-EAP]|NONE|WPA-PSK|WPA-EAP|IEEE8021X
290 # pairwise [CCMP TKIP]|CCMP|TKIP|NONE
291 # group [CCMP TKIP WEP105 WEP40]|CCMP|TKIP|WEP105|WEP40
292 # eapol_flags [3]|1|2
308 if (gsub(/^\W*wpa-psk\W*/,"")){
315 ' /etc/network/interfaces)
316 $DIALOG --inputbox "$MESSAGEW23 $ESSID" 15 50 "$WPASECRET" 2>"$TMP" || bailout 1
318 # make sure backslashes inside passphrase are handled correct
319 WPASECRET=$(sed -e 's/\\/\\/g' "$TMP") && rm -r "$TMP"
333 # No need for a wep key if we are using wpa
334 if [ ! $WPAON -eq 1 ]; then
335 $DIALOG --inputbox "$MESSAGEW14 $DEVICENAME $MESSAGEW15" 15 50 "$KEY" 2>"$TMP" || bailout 1
336 read KEY <"$TMP" ; rm -f "$TMP"
338 if [ -n "$KEY" -a "$PUBKEY" -eq 0 ]; then
339 if ! $DIALOG --yesno "$MESSAGEW25 $DEVICENAME $MESSAGEW26" 15 50; then
345 $DIALOG --inputbox "$MESSAGEW16 $DEVICENAME $MESSAGEW17" 15 50 "$IWCONFIG" 2>"$TMP" || bailout 1
346 read IWCONFIG <"$TMP" ; rm -f "$TMP"
348 $DIALOG --inputbox "$MESSAGEW18 $DEVICENAME $MESSAGEW19" 15 50 "$IWSPY" 2>"$TMP" || bailout 1
349 read IWSPY <"$TMP" ; rm -f "$TMP"
351 $DIALOG --inputbox "$MESSAGEW20 $DEVICENAME $MESSAGEW21" 15 50 "$IWPRIV" 2>"$TMP" || bailout 1
352 read IWPRIV <"$TMP" ; rm -f "$TMP"
357 if $DIALOG --yesno "$MESSAGE2" 8 45; then
358 if [ -w /etc/network/interfaces ]; then
360 awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
361 /^\W$/{if(blank==0){lastblank=1}else{lastblank=0}{blank=1}}
362 /\w/{blank=0;lastblank=0}
363 {if(!(found+lastblank)){print}}
364 END{print "iface '"$DV"' inet dhcp"}' \
365 /etc/network/interfaces >"$TMP"
366 echo -e "$IWOURLINE" >> $TMP
367 #echo -e "\n\n" >> $TMP
368 cat "$TMP" >/etc/network/interfaces
370 # Add an "auto" entry
374 if [ -f /etc/network/interfaces ]; then
375 awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
376 /address/{if(found){address=$NF}}
377 /netmask/{if(found){netmask=$NF}}
378 /broadcast/{if(found){broadcast=$NF}}
379 /gateway/{if(found){gateway=$NF}}
380 /dns-nameservers/{if(found){dns-nameservers=$NF}}
381 END{print address" "netmask" "broadcast" "gateway" "dns-nameservers}' /etc/network/interfaces >"$TMP"
382 read IP NM BC DG <"$TMP"
386 $DIALOG --inputbox "$MESSAGE6 $DV" 10 45 "${IP:-192.168.0.1}" 2>"$TMP" || bailout 1
387 read IP <"$TMP" ; rm -f "$TMP"
389 $DIALOG --inputbox "$MESSAGE7 $DV" 10 45 "${NM:-255.255.255.0}" 2>"$TMP" || bailout 1
390 read NM <"$TMP" ; rm -f "$TMP"
392 $DIALOG --inputbox "$MESSAGE8 $DV" 10 45 "${BC:-${IP%.*}.255}" 2>"$TMP" || bailout 1
393 read BC <"$TMP" ; rm -f "$TMP"
395 $DIALOG --inputbox "$MESSAGE9" 10 45 "${DG:-${IP%.*}.254}" 2>"$TMP"
396 read DG <"$TMP" ; rm -f "$TMP"
398 if [ -f "/etc/resolv.conf" ]; then
399 NS="$(awk '/^nameserver/{printf "%s ",$2}' /etc/resolv.conf)"
402 $DIALOG --inputbox "$MESSAGE10" 10 45 "${NS:-${IP%.*}.254}" 2>"$TMP"
403 read NS <"$TMP" ; rm -f "$TMP"
405 if [ -w /etc/network/interfaces ]; then
406 awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
408 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("'"$IWOURLINE"'"!=""){print "'"$IWOURLINE"'"};print "\n"}' \
409 /etc/network/interfaces >"$TMP"
411 cat "$TMP" >/etc/network/interfaces
414 # Add an "auto" entry
424 NET_DEVICE_NAME="Network_device"
425 NET_DEVICE_NAME_W="Wireless_device"
426 NET_DEVICE_NAME_FW="Firewire_device"
427 NET_DEVICE_NAME_AUTO="Auto"
428 MESSAGE0="No supported network cards found."
429 MESSAGE1="Please select network device"
430 MESSAGE2="Use DHCP broadcast?"
431 MESSAGE3="Sending DHCP broadcast from device"
433 MESSAGE5="Hit return to exit."
434 MESSAGE6="Please enter IP Address for"
435 MESSAGE7="Please enter Network Mask for"
436 MESSAGE8="Please enter Broadcast Address for"
437 MESSAGE9="Please enter Default Gateway"
438 MESSAGE10="Please enter Nameserver(s)"
439 MESSAGE11="Setting Nameserver in /etc/resolv.conf to"
440 MESSAGE12="Adding Nameserver to /etc/resolv.conf:"
441 MESSAGE13="Setup wireless options?"
442 MESSAGE14="Failed to bring up the interface, would you like to reconfigure it?"
443 MESSAGE15="Interface enabled, do you want it auto enabled at boot?"
444 MESSAGEW0="No wireless network card found."
445 MESSAGEW1="Configuration of wireless parameters for"
446 MESSAGEW3="Please configure IP parameters of the interface first"
447 MESSAGEW4="Enter the ESSID for"
448 MESSAGEW5="\n\n\n(empty for 'any', not recommended !)\n"
449 MESSAGEW6="Enter the NWID (cell identifier)\nfor"
450 MESSAGEW7=", if needed\n\n\n"
451 MESSAGEW8="Enter the mode for"
452 MESSAGEW9="\n\n(Managed(=default), Ad-Hoc, Master,\nRepeater, Secondary, auto)\n"
453 MESSAGEW10="Enter channel number for"
454 MESSAGEW11="\n\n(0 bis 16, empty for auto or if you want to\n enter the frequency next)\n"
455 MESSAGEW12="Enter the frequency for"
456 MESSAGEW13="\n\n(e.g 2.412G, empty for auto)"
457 MESSAGEW14="Enter the encryption key\nfor"
458 MESSAGEW15="\n\n(empty for cleartext, not recommended !!)"
459 MESSAGEW16="Enter additional parameters for\n'iwconfig"
460 MESSAGEW17="' if needed, e.g.\n\n\nsens -80 rts 512 frag 512 rate 5.5M"
461 MESSAGEW18="Enter additional parameters for\n'iwspy"
462 MESSAGEW19="' if needed\n\n\n"
463 MESSAGEW20="Enter additional parameters for\n'iwpriv"
464 MESSAGEW21="' if needed\n\n\n"
465 MESSAGEW22="Enable WPA support?"
466 MESSAGEW23="Enter the WPA passphrase (passphrase must be 8..63 characters) for"
467 MESSAGEW25="Would you like to store your wep key in it's own private file ("
468 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"
472 LAN=$(tail -n +3 /proc/net/dev|awk -F: '{print $1}'|sed "s/\s*//"|grep -v -e ^lo -e ^vmnet|sort)
473 [ -n "$WLAN" ] || WLAN=$(tail -n +3 /proc/net/wireless 2>/dev/null|awk -F: '{print $1}'|sort)
474 unset LAN_DEVICES WLAN_DEVICES FIREWIRE_DEVICES NETDEVICES
475 while read dev mac; do
476 #echo "Making NETDEVICES $NETDEVICESCOUNT $dev"
477 iswlan=$(echo $dev $WLAN|tr ' ' '\n'|sort|uniq -d)
479 grep auto /etc/network/interfaces | grep -q $dev && isauto="1"
480 driver=$(ethtool -i $dev 2>/dev/null|awk '/^driver:/{print $2}')
481 if [ "$driver" ]; then
482 if [ "$iswlan" ]; then
483 NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac D::$driver W::1 F::0"
485 NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac D::$driver W::0 F::0"
488 if [ "$iswlan" ]; then
489 NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac W::1 F::0"
491 NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac W::0 F::0"
494 #echo "Made to ${NETDEVICES[$NETDEVICESCOUNT]}"
495 ((NETDEVICESCOUNT++))
496 done < <(ifconfig -a|grep Ethernet|grep -v ^vmnet|awk '! /^\s/{print $1" "$5}')
498 if [ "$(ethtool -i $dev 2>/dev/null|awk '/^bus-info:/{print $2}')" == "ieee1394" ]; then
500 grep auto /etc/network/interfaces | grep -q $dev && isauto="1"
501 NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto D::$(ethtool -i $dev 2>/dev/null|awk '/^driver:/{print $2}') W::0 F::1"
502 ((NETDEVICESCOUNT++))
506 #NETDEVICES="$(cat /proc/net/dev | awk -F: '/eth.:|lan.:|tr.:|wlan.:|ath.:|ra.:/{print $1}')"
508 if [ -z "$NETDEVICES" ]; then
509 $DIALOG --msgbox "$MESSAGE0" 15 45
513 count="$NETDEVICESCOUNT"
515 if [ "$count" -gt 1 ]; then
518 while [ $mycount -lt $count ]; do
519 DEVICE=${NETDEVICES[$mycount]}
520 #echo "$mycount is $DEVICE"
522 #echo "name: $DEVICENAME auto: $isauto fw: $isfirewire mac: $mac driver: $driver"
524 DEVICELIST="$DEVICELIST $mycount $MY_DEVICE_NAME"
531 EXITMENU="$EXITKEY Exit"
533 # main program loop until they bailout
535 # first get the device
536 if [ "$count" -gt 1 ]; then
538 $DIALOG --menu "$MESSAGE1" 18 60 12 $DEVICELIST $EXITMENU 2>"$TMP" || bailout
539 read DV <"$TMP" ; rm -f "$TMP"
540 [ "$DV" = "$EXITKEY" ] && bailout
544 # they have asked to stop configuring the interface so exit
545 [ -z "$IFACEDONE" ] || bailout
549 while [ -n "$DV" -a -z "$IFACEDONE" ]; do
554 $DIALOG --yesno "$MESSAGE14" 15 50 || IFACEDONE="DONE"
556 if $DIALOG --yesno "$MESSAGE15" 12 50 ; then
558 # get persistent interface names across reboots
568 ## END OF FILE #################################################################