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: Mit Mai 30 10:26:39 CEST 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 mkdir -p /etc/udev/scripts
88 echo "# Auto generated script from netcardconfig on $(date)
89 # Executing this script generates an entry in /etc/udev/rules.d/z25_persistent-net.rules
90 # for you, please check z25_persistent-net.rules for existing entries before
91 # running this script (once more)." > /etc/udev/scripts/netcardconfig
92 for interface in `ifconfig | awk '/^[a-z]/ &&!/^lo/{ print $1} '` ; do
93 echo -n "INTERFACE=$interface /lib/udev/write_net_rules " >> /etc/udev/scripts/netcardconfig && \
94 udevinfo -a -p /sys/class/net/$interface | awk -F'==' '/address/ {print $2}' >> /etc/udev/scripts/netcardconfig
96 # send errors to /dev/null as well because the sed line inside the /lib/udev/write_net_rules
97 # script outputs a sed warning which might unsettle users
98 chmod +x /etc/udev/scripts/netcardconfig && /etc/udev/scripts/netcardconfig 1>/dev/null 2>&1
101 disable_config_dhcp() {
102 if grep -q CONFIG_DHCP /etc/grml/autoconfig ; then
103 sed -i "s|^CONFIG_DHCP.*|CONFIG_DHCP='no'|" /etc/grml/autoconfig
114 for PART in $DEVICE; do
115 if [ $PARTCOUNT -eq 0 ]; then
118 echo $PART | grep -q A::1 && isauto=1
119 echo $PART | grep -q F::1 && isfirewire=1
120 echo $PART | grep -q W::1 && iswireless=1
121 [ -z "$driver" ] && driver=$(echo $PART|awk 'BEGIN {FS="::"} /^D:/{print $2}')
122 [ -z "$mac" ] && mac=$(echo $PART|awk 'BEGIN {FS="::"} /^M:/{print $2}')
130 [ $isfirewire -gt 0 ] && MY_DEVICE_NAME="$NET_DEVICE_NAME_FW"
131 [ -z "$MY_DEVICE_NAME" -a $iswireless -gt 0 ] && MY_DEVICE_NAME="$NET_DEVICE_NAME_W"
132 [ -z "$MY_DEVICE_NAME" ] && MY_DEVICE_NAME="$NET_DEVICE_NAME"
133 MY_DEVICE_NAME="$DEVICENAME $MY_DEVICE_NAME $mac $driver"
134 [ $isauto -gt 0 ] && MY_DEVICE_NAME="$MY_DEVICE_NAME $NET_DEVICE_NAME_AUTO"
135 MY_DEVICE_NAME=$(echo $MY_DEVICE_NAME | sed 's/\ /__/g')
139 if ! egrep -e "^auto[ ]+.*$DV" /etc/network/interfaces >/dev/null; then
140 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"
141 cat "$TMP" > /etc/network/interfaces
146 if egrep -e "^auto[ ]+.*$DV" /etc/network/interfaces >/dev/null; then
147 perl -pi -e 's/^(auto.*)'$DV'(.*)$/$1$2/;' /etc/network/interfaces
152 [ ! -r /etc/network/interfaces ] && touch /etc/network/interfaces
153 DEVICE=${NETDEVICES[$DV]}
157 WLDEVICE="$(LANG=C LC_MESSAGEWS=C iwconfig $DV 2>/dev/null | awk '/802\.11|READY|ESSID/{print $1}')"
158 WLDEVICECOUNT="$(LANG=C LC_MESSAGEWS=C iwconfig $DV 2>/dev/null | wc -l)"
159 if [ $iswireless -gt 0 ] && $DIALOG --yesno "$MESSAGE13" 8 45; then
174 if [ -f /etc/network/interfaces ]; then
175 awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
176 /essid/{if(found){for(i=NF;i>=2;i--)essid=$i "~" essid}}
177 /nwid/{if(found){nwid=$NF}}
178 /mode/{if(found){mode=$NF}}
179 /channel/{if(found){channel=$NF}}
180 /freq/{if(found){freq=$NF}}
181 /sens/{if(found){sens=$NF}}
182 /rate/{if(found){rate=$NF}}
183 /rts/{if(found){rts=$NF}}
184 /frag/{if(found){frag=$NF}}
185 /iwconfig/{if(!/KEY/){if(found){iwconfig=$NF}}}
186 /iwspy/{if(found){iwspy=$NF}}
187 /iwpriv/{if(found){iwpriv=$NF}}
188 /wireless[-_]key/{if(found){gsub(/^\W*wireless[-_]key\W*/,"");key=$0}}
190 if (!(length(essid))){essid="~~~"}
191 if (!(length(nwid))){nwid="~~~"}
192 if (!(length(mode))){mode="~~~"}
193 if (!(length(channel))){channel="~~~"}
194 if (!(length(freq))){freq="~~~"}
195 if (!(length(sens))){sens="~~~"}
196 if (!(length(rate))){rate="~~~"}
197 if (!(length(rts))){rts="~~~"}
198 if (!(length(frag))){frag="~~~"}
199 if (!(length(iwconfig))){iwconfig="~~~"}
200 if (!(length(iwspy))){iwspy="~~~"}
201 if (!(length(iwpriv))){iwpriv="~~~"}
202 if (!(length(key))){key="~~~"}
203 print essid" "nwid" "mode" "channel" "freq" "sens" "rate" "rts" "frag" "iwconfig" "iwspy" "iwpriv" "key
204 }' /etc/network/interfaces >"$TMP"
206 read ESSID NWID MODE CHANNEL FREQ SENS RATE RTS FRAG IWCONFIG IWSPY IWPRIV KEY<"$TMP"
208 [ "$ESSID" = "~~~" ] && ESSID=""
209 [ "$NWID" = "~~~" ] && NWID=""
210 [ "$MODE" = "~~~" ] && MODE=""
211 [ "$CHANNEL" = "~~~" ] && CHANNEL=""
212 [ "$FREQ" = "~~~" ] && FREQ=""
213 [ "$SENS" = "~~~" ] && SENS=""
214 [ "$RATE" = "~~~" ] && RATE=""
215 [ "$RTS" = "~~~" ] && RTS=""
216 [ "$FRAG" = "~~~" ] && FRAG=""
217 [ "$IWCONFIG" = "~~~" ] && IWCONFIG=""
218 [ "$IWSPY" = "~~~" ] && IWSPY=""
219 [ "$IWPRIV" = "~~~" ] && IWPRIV=""
220 [ "$KEY" = "~~~" ] && KEY=""
222 ESSID=$(echo $ESSID | tr "~" " " | sed 's/ *$//')
224 if [ -z "$KEY" ]; then
225 KEY=$(cat /etc/network/wep.$DV 2>/dev/null)
227 if [ -z "$KEY" ]; then
236 #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"
240 $DIALOG --inputbox "$MESSAGEW4 $DEVICENAME $MESSAGEW5" 15 50 "$ESSID" 2>"$TMP" || bailout 1
241 read ESSID <"$TMP" ; rm -f "$TMP"
242 [ -z "$ESSID" ] && ESSID="any"
244 $DIALOG --inputbox "$MESSAGEW6 $DEVICENAME $MESSAGEW7" 15 50 "$NWID" 2>"$TMP" || bailout 1
245 read NWID <"$TMP" ; rm -f "$TMP"
247 $DIALOG --inputbox "$MESSAGEW8 $DEVICENAME $MESSAGEW9" 15 50 "$MODE" 2>"$TMP" || bailout 1
248 read MODE <"$TMP" ; rm -f "$TMP"
249 [ -z "$MODE" ] && MODE="Managed"
251 $DIALOG --inputbox "$MESSAGEW10 $DEVICENAME $MESSAGEW11" 15 50 "$CHANNEL" 2>"$TMP" || bailout 1
252 read CHANNEL <"$TMP" ; rm -f "$TMP"
254 if [ -z "$CHANNEL" ]; then
255 $DIALOG --inputbox "$MESSAGEW12 $DEVICENAME $MESSAGEW13" 15 50 "$FREQ" 2>"$TMP" || bailout 1
256 read FREQ <"$TMP" ; rm -f "$TMP"
266 ipw2200|ipw2100|ipw3945)
277 if [ -z "$WPA_DEV" ]; then
278 if [ -d /proc/net/ndiswrapper/$DV ]; then
280 elif [ -d /proc/net/hostap/$DV ]; then
282 elif [ $WLDEVICECOUNT -eq 1 ]; then
283 if [ -e /proc/driver/atmel ]; then
291 if [ -n "$WPA_DEV" ]; then
292 if $DIALOG --yesno "$MESSAGEW22" 15 50; then
295 # bssid 00:11:22:33:44:55
296 # priority [0]|Integer
297 # proto [WPA RSN] WPA|RSN
298 # key_mgmt [WPA-PSK WPA-EAP]|NONE|WPA-PSK|WPA-EAP|IEEE8021X
299 # pairwise [CCMP TKIP]|CCMP|TKIP|NONE
300 # group [CCMP TKIP WEP105 WEP40]|CCMP|TKIP|WEP105|WEP40
301 # eapol_flags [3]|1|2
317 if (gsub(/^\W*wpa-psk\W*/,"")){
324 ' /etc/network/interfaces)
325 $DIALOG --inputbox "$MESSAGEW23 $ESSID" 15 50 "$WPASECRET" 2>"$TMP" || bailout 1
327 # make sure backslashes inside passphrase are handled correct
328 WPASECRET=$(sed -e 's/\\/\\/g' "$TMP") && rm -r "$TMP"
342 # No need for a wep key if we are using wpa
343 if [ ! $WPAON -eq 1 ]; then
344 $DIALOG --inputbox "$MESSAGEW14 $DEVICENAME $MESSAGEW15" 15 50 "$KEY" 2>"$TMP" || bailout 1
345 read KEY <"$TMP" ; rm -f "$TMP"
347 if [ -n "$KEY" -a "$PUBKEY" -eq 0 ]; then
348 if ! $DIALOG --yesno "$MESSAGEW25 $DEVICENAME $MESSAGEW26" 15 50; then
354 $DIALOG --inputbox "$MESSAGEW16 $DEVICENAME $MESSAGEW17" 15 50 "$IWCONFIG" 2>"$TMP" || bailout 1
355 read IWCONFIG <"$TMP" ; rm -f "$TMP"
357 $DIALOG --inputbox "$MESSAGEW18 $DEVICENAME $MESSAGEW19" 15 50 "$IWSPY" 2>"$TMP" || bailout 1
358 read IWSPY <"$TMP" ; rm -f "$TMP"
360 $DIALOG --inputbox "$MESSAGEW20 $DEVICENAME $MESSAGEW21" 15 50 "$IWPRIV" 2>"$TMP" || bailout 1
361 read IWPRIV <"$TMP" ; rm -f "$TMP"
366 if $DIALOG --yesno "$MESSAGE2" 8 45; then
367 if [ -w /etc/network/interfaces ]; then
369 awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
370 /^\W$/{if(blank==0){lastblank=1}else{lastblank=0}{blank=1}}
371 /\w/{blank=0;lastblank=0}
372 {if(!(found+lastblank)){print}}
373 END{print "iface '"$DV"' inet dhcp"}' \
374 /etc/network/interfaces >"$TMP"
375 echo -e "$IWOURLINE" >> $TMP
376 #echo -e "\n\n" >> $TMP
377 cat "$TMP" >/etc/network/interfaces
379 # Add an "auto" entry
383 if [ -f /etc/network/interfaces ]; then
384 awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
385 /address/{if(found){address=$NF}}
386 /netmask/{if(found){netmask=$NF}}
387 /broadcast/{if(found){broadcast=$NF}}
388 /gateway/{if(found){gateway=$NF}}
389 /dns-nameservers/{if(found){dns-nameservers=$NF}}
390 END{print address" "netmask" "broadcast" "gateway" "dns-nameservers}' /etc/network/interfaces >"$TMP"
391 read IP NM BC DG <"$TMP"
395 $DIALOG --inputbox "$MESSAGE6 $DV" 10 45 "${IP:-192.168.0.1}" 2>"$TMP" || bailout 1
396 read IP <"$TMP" ; rm -f "$TMP"
398 $DIALOG --inputbox "$MESSAGE7 $DV" 10 45 "${NM:-255.255.255.0}" 2>"$TMP" || bailout 1
399 read NM <"$TMP" ; rm -f "$TMP"
401 $DIALOG --inputbox "$MESSAGE8 $DV" 10 45 "${BC:-${IP%.*}.255}" 2>"$TMP" || bailout 1
402 read BC <"$TMP" ; rm -f "$TMP"
404 $DIALOG --inputbox "$MESSAGE9" 10 45 "${DG:-${IP%.*}.1}" 2>"$TMP"
405 read DG <"$TMP" ; rm -f "$TMP"
407 if [ -f "/etc/resolv.conf" ]; then
408 NS="$(awk '/^nameserver/{printf "%s ",$2}' /etc/resolv.conf)"
411 $DIALOG --inputbox "$MESSAGE10" 10 45 "${NS:-$DG}" 2>"$TMP"
412 read NS <"$TMP" ; rm -f "$TMP"
414 if [ -w /etc/network/interfaces ]; then
415 awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
417 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"}' \
418 /etc/network/interfaces >"$TMP"
420 cat "$TMP" >/etc/network/interfaces
423 # Add an "auto" entry
433 NET_DEVICE_NAME="Network_device"
434 NET_DEVICE_NAME_W="Wireless_device"
435 NET_DEVICE_NAME_FW="Firewire_device"
436 NET_DEVICE_NAME_AUTO="Auto"
437 MESSAGE0="No supported network cards found."
438 MESSAGE1="Please select network device"
439 MESSAGE2="Use DHCP broadcast?"
440 MESSAGE3="Sending DHCP broadcast from device"
442 MESSAGE5="Hit return to exit."
443 MESSAGE6="Please enter IP Address for"
444 MESSAGE7="Please enter Network Mask for"
445 MESSAGE8="Please enter Broadcast Address for"
446 MESSAGE9="Please enter Default Gateway"
447 MESSAGE10="Please enter Nameserver(s)"
448 MESSAGE11="Setting Nameserver in /etc/resolv.conf to"
449 MESSAGE12="Adding Nameserver to /etc/resolv.conf:"
450 MESSAGE13="Setup wireless options?"
451 MESSAGE14="Failed to bring up the interface, would you like to reconfigure it?"
452 MESSAGE15="Interface enabled, do you want it auto enabled at boot?"
453 MESSAGEW0="No wireless network card found."
454 MESSAGEW1="Configuration of wireless parameters for"
455 MESSAGEW3="Please configure IP parameters of the interface first"
456 MESSAGEW4="Enter the ESSID for"
457 MESSAGEW5="\n\n\n(empty for 'any', not recommended !)\n"
458 MESSAGEW6="Enter the NWID (cell identifier)\nfor"
459 MESSAGEW7=", if needed\n\n\n"
460 MESSAGEW8="Enter the mode for"
461 MESSAGEW9="\n\n(Managed(=default), Ad-Hoc, Master,\nRepeater, Secondary, auto)\n"
462 MESSAGEW10="Enter channel number for"
463 MESSAGEW11="\n\n(0 bis 16, empty for auto or if you want to\n enter the frequency next)\n"
464 MESSAGEW12="Enter the frequency for"
465 MESSAGEW13="\n\n(e.g 2.412G, empty for auto)"
466 MESSAGEW14="Enter the encryption key\nfor"
467 MESSAGEW15="\n\n(empty for cleartext, not recommended !!)"
468 MESSAGEW16="Enter additional parameters for\n'iwconfig"
469 MESSAGEW17="' if needed, e.g.\n\n\nsens -80 rts 512 frag 512 rate 5.5M"
470 MESSAGEW18="Enter additional parameters for\n'iwspy"
471 MESSAGEW19="' if needed\n\n\n"
472 MESSAGEW20="Enter additional parameters for\n'iwpriv"
473 MESSAGEW21="' if needed\n\n\n"
474 MESSAGEW22="Enable WPA support?"
475 MESSAGEW23="Enter the WPA passphrase (passphrase must be 8..63 characters) for"
476 MESSAGEW25="Would you like to store your wep key in it's own private file ("
477 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"
481 if [ -r /proc/net/dev ] ; then
482 LAN=$(tail -n +3 /proc/net/dev | awk -F: '{print $1}'| sed "s/\s*//" | grep -v -e ^lo -e ^vmnet | sort)
486 [ -n "$WLAN" ] || WLAN=$(tail -n +3 /proc/net/wireless 2>/dev/null|awk -F: '{print $1}'|sort)
487 unset LAN_DEVICES WLAN_DEVICES FIREWIRE_DEVICES NETDEVICES
489 while read dev mac; do
490 #echo "Making NETDEVICES $NETDEVICESCOUNT $dev"
491 iswlan=$(echo $dev $WLAN|tr ' ' '\n'|sort|uniq -d)
493 grep auto /etc/network/interfaces | grep -q $dev && isauto="1"
494 driver=$(ethtool -i $dev 2>/dev/null|awk '/^driver:/{print $2}')
495 if [ "$driver" ]; then
496 if [ "$iswlan" ]; then
497 NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac D::$driver W::1 F::0"
499 NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac D::$driver W::0 F::0"
502 if [ "$iswlan" ]; then
503 NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac W::1 F::0"
505 NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac W::0 F::0"
508 #echo "Made to ${NETDEVICES[$NETDEVICESCOUNT]}"
509 ((NETDEVICESCOUNT++))
510 done < <(ifconfig -a|grep Ethernet|grep -v ^vmnet|awk '! /^\s/{print $1" "$5}')
512 if [ "$(ethtool -i $dev 2>/dev/null|awk '/^bus-info:/{print $2}')" == "ieee1394" ]; then
514 grep auto /etc/network/interfaces | grep -q $dev && isauto="1"
515 NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto D::$(ethtool -i $dev 2>/dev/null|awk '/^driver:/{print $2}') W::0 F::1"
516 ((NETDEVICESCOUNT++))
520 #NETDEVICES="$(cat /proc/net/dev | awk -F: '/eth.:|lan.:|tr.:|wlan.:|ath.:|ra.:/{print $1}')"
522 if [ -z "$NETDEVICES" ]; then
523 $DIALOG --msgbox "$MESSAGE0" 15 45
527 count="$NETDEVICESCOUNT"
529 if [ "$count" -gt 1 ]; then
532 while [ $mycount -lt $count ]; do
533 DEVICE=${NETDEVICES[$mycount]}
534 #echo "$mycount is $DEVICE"
536 #echo "name: $DEVICENAME auto: $isauto fw: $isfirewire mac: $mac driver: $driver"
538 DEVICELIST="$DEVICELIST $mycount $MY_DEVICE_NAME"
545 EXITMENU="$EXITKEY Exit"
547 # main program loop until they bailout
549 # first get the device
550 if [ "$count" -gt 1 ]; then
552 $DIALOG --menu "$MESSAGE1" 18 60 12 $DEVICELIST $EXITMENU 2>"$TMP" || bailout
553 read DV <"$TMP" ; rm -f "$TMP"
554 [ "$DV" = "$EXITKEY" ] && bailout
558 # they have asked to stop configuring the interface so exit
559 [ -z "$IFACEDONE" ] || bailout
563 while [ -n "$DV" -a -z "$IFACEDONE" ]; do
568 $DIALOG --yesno "$MESSAGE14" 15 50 || IFACEDONE="DONE"
570 if $DIALOG --yesno "$MESSAGE15" 12 50 ; then
572 # get persistent interface names across reboots
574 # make sure we don't run the dhcp stuff when using /etc/network/interfaces
584 ## END OF FILE #################################################################