Refactoring netcardconfig according to 'shellcheck' recommendations
[grml-network.git] / 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 "$1"
25 }
26
27 # This function produces the IWOURLINE for interfaces
28 writeiwline() {
29   IWOURLINE=""
30   if [ -n "$NWID" ]; then
31     IWOURLINE="$IWOURLINE wireless-nwid $NWID\n"
32   fi
33
34   if [ -n "$MODE" ]; then
35     IWOURLINE="$IWOURLINE wireless-mode $MODE\n"
36   fi
37
38   if [ -n "$CHANNEL" ]; then
39     IWOURLINE="$IWOURLINE wireless-channel $CHANNEL\n"
40   fi
41
42   if [ -n "$FREQ" ]; then
43     IWOURLINE="$IWOURLINE wireless-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 wireless-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 pre-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 pre-up /sbin/ifconfig $DV up\n"
60       break
61     fi
62   done
63
64   if [ -n "$IWCONFIG" ]; then
65     IWPREUPLINE="$IWPREUPLINE iwconfig $IWCONFIG\n"
66   fi
67
68   if [ -n "$IWSPY" ]; then
69     IWPREUPLINE="$IWPREUPLINE iwspy $IWSPY\n"
70   fi
71
72   if [ -n "$IWPRIV" ]; then
73     IWPREUPLINE="$IWPREUPLINE iwpriv $IWPRIV\n"
74   fi
75
76   # execute ESSID last, but make sure that it is written as first option
77   if [ -n "$ESSID" ]; then
78     IWOURLINE="$IWOURLINE wireless-essid $ESSID\n"
79   fi
80
81   if [ "$WPAON" -gt 0 ]; then
82     IWOURLINE="$IWOURLINE wpa-ssid $ESSID\n wpa-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 $(ifconfig | awk '/^[a-z]/ &&!/^lo/{ print $1} ') ; do
97       echo -n "INTERFACE=$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$2/;' /etc/network/interfaces
156   fi
157 }
158
159 scanwlan(){
160   i=0
161   ifconfig "$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   [ ! -r /etc/network/interfaces ] && touch /etc/network/interfaces
173   DEVICE=${NETDEVICES[$DV]}
174   device2props
175   DV=$DEVICENAME
176   ifdown "$DV"
177   sleep 3
178   # wireless config
179   WLDEVICECOUNT="$(LANG=C LC_MESSAGEWS=C iwconfig "$DV" 2>/dev/null | wc -l)"
180   if [ $iswireless -gt 0 ] && $DIALOG --yesno "$MESSAGE13" 8 45; then
181     ESSID=""
182     NWID=""
183     MODE=""
184     CHANNEL=""
185     FREQ=""
186     SENS=""
187     RATE=""
188     KEY=""
189     RTS=""
190     FRAG=""
191     IWCONFIG=""
192     IWSPY=""
193     IWPRIV=""
194
195     if [ -f /etc/network/interfaces ]; then
196       awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
197         /essid/{if(found){for(i=NF;i>=2;i--)essid=$i "~" essid}}
198         /nwid/{if(found){nwid=$NF}}
199         /mode/{if(found){mode=$NF}}
200         /channel/{if(found){channel=$NF}}
201         /freq/{if(found){freq=$NF}}
202         /sens/{if(found){sens=$NF}}
203         /rate/{if(found){rate=$NF}}
204         /rts/{if(found){rts=$NF}}
205         /frag/{if(found){frag=$NF}}
206         /iwconfig/{if(!/KEY/){if(found){iwconfig=$NF}}}
207         /iwspy/{if(found){iwspy=$NF}}
208         /iwpriv/{if(found){iwpriv=$NF}}
209         /wireless[-_]key/{if(found){gsub(/^\W*wireless[-_]key\W*/,"");key=$0}}
210         END{
211           if (!(length(essid))){essid="~~~"}
212           if (!(length(nwid))){nwid="~~~"}
213           if (!(length(mode))){mode="~~~"}
214           if (!(length(channel))){channel="~~~"}
215           if (!(length(freq))){freq="~~~"}
216           if (!(length(sens))){sens="~~~"}
217           if (!(length(rate))){rate="~~~"}
218           if (!(length(rts))){rts="~~~"}
219           if (!(length(frag))){frag="~~~"}
220           if (!(length(iwconfig))){iwconfig="~~~"}
221           if (!(length(iwspy))){iwspy="~~~"}
222           if (!(length(iwpriv))){iwpriv="~~~"}
223           if (!(length(key))){key="~~~"}
224           print essid" "nwid" "mode" "channel" "freq" "sens" "rate" "rts" "frag" "iwconfig" "iwspy" "iwpriv" "key
225         }' /etc/network/interfaces >"$TMP"
226
227       read -r ESSID NWID MODE CHANNEL FREQ SENS RATE RTS FRAG IWCONFIG IWSPY IWPRIV KEY<"$TMP"
228
229       [[ "$ESSID" =~ ^~~~$ ]]    && ESSID=""
230       [[ "$NWID" =~ ^~~~$ ]]     && NWID=""
231       [[ "$MODE" =~ ^~~~$ ]]     && MODE=""
232       [[ "$CHANNEL" =~ ^~~~$ ]]  && CHANNEL=""
233       [[ "$FREQ" =~ ^~~~$ ]]     && FREQ=""
234       [[ "$SENS" =~ ^~~~$ ]]     && SENS=""
235       [[ "$RATE" =~ ^~~~$ ]]     && RATE=""
236       [[ "$RTS" =~ ^~~~$ ]]      && RTS=""
237       [[ "$FRAG" =~ ^~~~$ ]]     && FRAG=""
238       [[ "$IWCONFIG" =~ ^~~~$ ]] && IWCONFIG=""
239       [[ "$IWSPY" =~ ^~~~$ ]]    && IWSPY=""
240       [[ "$IWPRIV" =~ ^~~~$ ]]   && IWPRIV=""
241       [[ "$KEY" =~ ^~~~$ ]]      && KEY=""
242
243       # shellcheck disable=SC2088
244       ESSID=$(echo $ESSID | tr '~' " " | sed 's/ *$//')
245
246       if [ -z "$KEY" ]; then
247         KEY=$(cat "/etc/network/wep.$DV" 2>/dev/null)
248
249         if [ -z "$KEY" ]; then
250           PUBKEY=0
251         else
252           PUBKEY=-1
253         fi
254       else
255         PUBKEY=1
256       fi
257
258       #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:$IWPRIV"
259       rm -f "$TMP"
260     fi
261
262     # ask to scan or manually set wireless network
263     if $DIALOG --yesno "$MESSAGEWSCAN1" 8 45 ; then
264       RESCAN=1
265
266       while [ $RESCAN -eq 1 ]
267       do
268         scanwlan
269         $DIALOG --extra-button --extra-label "Rescan" --menu "$MESSAGEWSCAN2" 20 70 15 "${WARRAY[@]}" 2>"$TMP"
270         case $? in
271           0)
272             RESCAN=0
273             ;;
274           3)
275             ;;
276           *)
277             bailout 1
278             ;;
279         esac
280       done
281
282       read -r ESSID <"$TMP" ; rm -f "$TMP"
283       [ -z "$MODE" ] && MODE="Managed"
284
285     else
286
287       $DIALOG --inputbox "$MESSAGEW4 $DEVICENAME $MESSAGEW5" 15 50 "$ESSID" 2>"$TMP" || bailout 1
288       read -r ESSID <"$TMP" ; rm -f "$TMP"
289       [ -z "$ESSID" ] && ESSID="any"
290
291       $DIALOG --inputbox "$MESSAGEW6 $DEVICENAME $MESSAGEW7" 15 50 "$NWID" 2>"$TMP" || bailout 1
292       read -r NWID <"$TMP" ; rm -f "$TMP"
293
294       $DIALOG --inputbox "$MESSAGEW8 $DEVICENAME $MESSAGEW9" 15 50 "$MODE" 2>"$TMP" || bailout 1
295       read -r MODE <"$TMP" ; rm -f "$TMP"
296       [ -z "$MODE" ] && MODE="Managed"
297
298       $DIALOG --inputbox "$MESSAGEW10 $DEVICENAME $MESSAGEW11" 15 50 "$CHANNEL" 2>"$TMP" || bailout 1
299       read -r CHANNEL <"$TMP" ; rm -f "$TMP"
300
301       if [ -z "$CHANNEL" ]; then
302         $DIALOG --inputbox "$MESSAGEW12 $DEVICENAME $MESSAGEW13" 15 50 "$FREQ" 2>"$TMP" || bailout 1
303         read -r FREQ <"$TMP" ; rm -f "$TMP"
304       fi
305
306     fi
307
308     WPAON=0
309     IWDRIVER=$driver
310
311     case $IWDRIVER in
312       ath_pci)
313         WPA_DEV="madwifi"
314         ;;
315       ipw2200|ipw2100|ipw3945)
316         WPA_DEV="wext"
317         ;;
318       hostap)
319         WPA_DEV="hostap"
320         ;;
321       *)
322         WPA_DEV="wext"
323         ;;
324     esac
325
326     if [ -z "$WPA_DEV" ]; then
327       if [ -d "/proc/net/ndiswrapper/$DV" ]; then
328         WPA_DEV=ndiswrapper
329       elif [ -d "/proc/net/hostap/$DV" ]; then
330         WPA_DEV=hostap
331       elif [ "$WLDEVICECOUNT" -eq 1 ]; then
332         if [ -e /proc/driver/atmel ]; then
333           WPA_DEV=atmel
334         fi
335       fi
336     fi
337
338     WPAON=-1
339
340     if [ -n "$WPA_DEV" ]; then
341        if $DIALOG --yesno "$MESSAGEW22" 15 50; then
342           # Other wpa options
343           # scan_ssid [0]|1
344           # bssid 00:11:22:33:44:55
345           # priority [0]|Integer
346           # proto [WPA RSN] WPA|RSN
347           # key_mgmt [WPA-PSK WPA-EAP]|NONE|WPA-PSK|WPA-EAP|IEEE8021X
348           # pairwise [CCMP TKIP]|CCMP|TKIP|NONE
349           # group [CCMP TKIP WEP105 WEP40]|CCMP|TKIP|WEP105|WEP40
350           # eapol_flags [3]|1|2
351
352           WPAON=1
353           KEY=""
354           WPASECRET=$(awk '
355                   /iface/{
356                           if(found){
357                                   found=0
358                           }
359                           else if (/'"$DV"'/){
360                                   found=1
361                           }
362                   }
363                   /wpa-psk/{
364                           if(found){
365                                   gsub(/\W*#.*$/,"");
366                                   if (gsub(/^\W*wpa-psk\W*/,"")){
367                                           gsub(/\W.*$/,"");
368                                           print;
369                                           exit;
370                                   }
371                           }
372                   }
373                   ' /etc/network/interfaces)
374           FIRST_RUN=0  # show the wpasecret input box at least once
375           while ( [ -z "$WPASECRET" ] || [ "$FIRST_RUN" ] ) ; do
376             $DIALOG --inputbox "$MESSAGEW23 $ESSID" 15 50 "$WPASECRET" 2>"$TMP" || bailout 1
377             read -r WPASECRET <"$TMP"
378             if [ -z "$WPASECRET" ] ; then
379               $DIALOG --msgbox "Sorry, empty password not allowed, please retry." 0 0 || bailout 1
380             fi
381             FIRST_RUN=""
382           done
383
384           rm -f "$TMP"
385
386           case $WPA_DEV in
387                hostap)
388                MODE="Managed"
389                ;;
390           esac
391        else
392           WPASECRET=""
393        fi
394     else
395        WPASECRET=""
396     fi
397
398     # No need for a wep key if we are using wpa
399     if [ ! $WPAON -eq 1 ]; then
400        $DIALOG --inputbox "$MESSAGEW14 $DEVICENAME $MESSAGEW15" 15 50 "$KEY" 2>"$TMP" || bailout 1
401        read -r KEY <"$TMP" ; rm -f "$TMP"
402
403        if [ -n "$KEY" ] && [ "$PUBKEY" -eq 0 ]; then
404           if ! $DIALOG --yesno "$MESSAGEW25 $DEVICENAME $MESSAGEW26" 15 50; then
405              PUBKEY=1
406           fi
407        fi
408     fi
409
410     $DIALOG --inputbox "$MESSAGEW16 $DEVICENAME $MESSAGEW17" 15 50 "$IWCONFIG" 2>"$TMP" || bailout 1
411     read -r IWCONFIG <"$TMP" ; rm -f "$TMP"
412
413     $DIALOG --inputbox "$MESSAGEW18 $DEVICENAME $MESSAGEW19" 15 50 "$IWSPY" 2>"$TMP" || bailout 1
414     read -r IWSPY <"$TMP" ; rm -f "$TMP"
415
416     $DIALOG --inputbox "$MESSAGEW20 $DEVICENAME $MESSAGEW21" 15 50 "$IWPRIV" 2>"$TMP" || bailout 1
417     read -r IWPRIV <"$TMP" ; rm -f "$TMP"
418
419     writeiwline
420   fi
421
422   if $DIALOG --yesno "$MESSAGE2" 8 45; then
423     if [ -w /etc/network/interfaces ]; then
424       rm -f "$TMP"
425       awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
426         /^\W$/{if(blank==0){lastblank=1}else{lastblank=0}{blank=1}}
427         /\w/{blank=0;lastblank=0}
428         {if(!(found+lastblank)){print}}
429         END{print "iface '"$DV"' inet dhcp"}' \
430         /etc/network/interfaces >"$TMP"
431       echo -e "$IWOURLINE" >> "$TMP"
432       #echo -e "\n\n" >> $TMP
433       cat "$TMP" >/etc/network/interfaces
434       rm -f "$TMP"
435       # Add an "auto" entry
436       #addauto
437     fi
438   else
439     if [ -f /etc/network/interfaces ]; then
440       awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
441         /address/{if(found){address=$NF}}
442         /netmask/{if(found){netmask=$NF}}
443         /broadcast/{if(found){broadcast=$NF}}
444         /gateway/{if(found){gateway=$NF}}
445         /dns-nameservers/{if(found){dnsnameservers=$NF}}
446         END{print address" "netmask" "broadcast" "gateway" "dnsnameservers}' /etc/network/interfaces >"$TMP"
447       read -r IP NM BC DG NS <"$TMP"
448       rm -f "$TMP"
449     fi
450
451     $DIALOG --inputbox "$MESSAGE6 $DV" 10 45 "${IP:-192.168.0.1}" 2>"$TMP" || bailout 1
452     read -r IP <"$TMP" ; rm -f "$TMP"
453
454     $DIALOG --inputbox "$MESSAGE7 $DV" 10 45 "${NM:-255.255.255.0}" 2>"$TMP" || bailout 1
455     read -r NM <"$TMP" ; rm -f "$TMP"
456
457     $DIALOG --inputbox "$MESSAGE8 $DV" 10 45 "${BC:-${IP%.*}.255}" 2>"$TMP" || bailout 1
458     read -r BC <"$TMP" ; rm -f "$TMP"
459
460     $DIALOG --inputbox "$MESSAGE9" 10 45 "${DG:-${IP%.*}.1}" 2>"$TMP"
461     read -r DG <"$TMP" ; rm -f "$TMP"
462
463     if [ -f "/etc/resolv.conf" ]; then
464       NS="$(awk '/^nameserver/{printf "%s ",$2}' /etc/resolv.conf)"
465     fi
466
467     $DIALOG --inputbox "$MESSAGE10" 10 45 "${NS:-$DG}" 2>"$TMP"
468     read -r NS <"$TMP" ; rm -f "$TMP"
469
470     if [ -w /etc/network/interfaces ]; then
471       awk '/iface/{if(/'"$DV"'/){found=1}else{found=0}}
472         {if(!found){print}}
473         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"}' \
474         /etc/network/interfaces >"$TMP"
475
476       cat "$TMP" >/etc/network/interfaces
477       rm -f "$TMP"
478
479       # Add an "auto" entry
480       #addauto
481     fi
482
483   fi
484   echo "Done."
485 }
486
487 DIALOG="dialog"
488
489 NET_DEVICE_NAME="Network_device"
490 NET_DEVICE_NAME_W="Wireless_device"
491 NET_DEVICE_NAME_FW="Firewire_device"
492 NET_DEVICE_NAME_AUTO="Auto"
493 MESSAGE0="No supported network cards found."
494 MESSAGE1="Please select network device"
495 MESSAGE2="Use DHCP broadcast?"
496 MESSAGE6="Please enter IP Address for"
497 MESSAGE7="Please enter Network Mask for"
498 MESSAGE8="Please enter Broadcast Address for"
499 MESSAGE9="Please enter Default Gateway"
500 MESSAGE10="Please enter Nameserver(s)"
501 MESSAGE13="Setup wireless options?"
502 MESSAGE14="Failed to bring up the interface, would you like to reconfigure it?"
503 MESSAGE15="Interface enabled, do you want it auto enabled at boot?"
504 MESSAGEW4="Enter the ESSID for"
505 MESSAGEW5="\n\n\n(empty for 'any', not recommended !)\n"
506 MESSAGEW6="Enter the NWID (cell identifier)\nfor"
507 MESSAGEW7=", if needed\n\n\n"
508 MESSAGEW8="Enter the mode for"
509 MESSAGEW9="\n\n(Managed(=default), Ad-Hoc, Master,\nRepeater, Secondary, auto)\n"
510 MESSAGEW10="Enter channel number for"
511 MESSAGEW11="\n\n(0 bis 16, empty for auto or if you want to\n enter the frequency next)\n"
512 MESSAGEW12="Enter the frequency for"
513 MESSAGEW13="\n\n(e.g 2.412G, empty for auto)"
514 MESSAGEW14="Enter the encryption key\nfor"
515 MESSAGEW15="\n\n(empty for cleartext, not recommended !!)"
516 MESSAGEW16="Enter additional parameters for\n'iwconfig"
517 MESSAGEW17="' if needed, e.g.\n\n\nsens -80  rts 512  frag 512  rate 5.5M"
518 MESSAGEW18="Enter additional parameters for\n'iwspy"
519 MESSAGEW19="' if needed\n\n\n"
520 MESSAGEW20="Enter additional parameters for\n'iwpriv"
521 MESSAGEW21="' if needed\n\n\n"
522 MESSAGEW22="Enable WPA support?"
523 MESSAGEW23="Enter the WPA passphrase (passphrase must be 8..63 characters) for"
524 MESSAGEW25="Would you like to store your wep key in it's own private file ("
525 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"
526 MESSAGEWSCAN1="Scan for available wireless networks?"
527 MESSAGEWSCAN2="Please choose a wireless network from below:"
528
529 NETDEVICESCOUNT=0
530 if [ -r /proc/net/dev ] ; then
531    LAN=$(tail -n +3 /proc/net/dev | awk -F: '{print $1}'| sed "s/\s*//" | grep -v -e ^lo -e ^vmnet | sort)
532 else
533    LAN=""
534 fi
535
536 if [ -z "${WLAN[*]}" ] ; then
537   WLAN_OLD=( $(tail -n +3 /proc/net/wireless 2>/dev/null|awk -F: '{print $1}') )
538   # /proc/net/wireless does not work e.g. with iwl3945 on kernel 2.6.33 anymore
539   WLAN_NEW=( $(for i in /sys/class/net/* ; do ( [ -d "$i/wireless" ] || [ -d "$i/phy80211" ] ) && basename "$i" ; done) )
540   set -a WLAN_IWCONFIG
541   for DEV in $LAN ; do
542     iwconfig $DEV 2>/dev/null 1>&2 && WLAN_IWCONFIG+=($DEV)
543   done
544   WLAN=( $(echo "${WLAN_OLD[@]}" "${WLAN_NEW[@]}" "${WLAN_IWCONFIG[@]}" | tr ' ' '\n' | sort -u) )
545 fi
546
547 unset LAN_DEVICES WLAN_DEVICES FIREWIRE_DEVICES NETDEVICES WLAN_IWCONFIG
548
549 while read -r dev mac; do
550 #echo "Making NETDEVICES $NETDEVICESCOUNT $dev"
551   iswlan=$(echo "$dev" "${WLAN[@]}"|tr ' ' '\n'|sort|uniq -d)
552   isauto="0"
553   grep auto /etc/network/interfaces | grep -q "$dev" && isauto="1"
554   driver=$(ethtool -i "$dev" 2>/dev/null|awk '/^driver:/{print $2}')
555   if [ "$driver" ]; then
556     if [ "$iswlan" ]; then
557       NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac D::$driver W::1 F::0"
558     else
559       NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac D::$driver W::0 F::0"
560     fi
561   else
562     if [ "$iswlan" ]; then
563       NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac W::1 F::0"
564     else
565       NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto M::$mac W::0 F::0"
566     fi
567   fi
568 #echo "Made to ${NETDEVICES[$NETDEVICESCOUNT]}"
569   ((NETDEVICESCOUNT++))
570 done < <(ip link show | awk ' !/^\s/{sub(/:/,"",$2);IFACE=$2} /link.ether/{if (IFACE !~/^vmnet/) print IFACE" "$2}')
571 for dev in $LAN; do
572   if [ "$(ethtool -i $dev 2>/dev/null|awk '/^bus-info:/{print $2}')" == "ieee1394" ]; then
573     isauto="0"
574     grep auto /etc/network/interfaces | grep -q $dev && isauto="1"
575     NETDEVICES[$NETDEVICESCOUNT]="$dev A::$isauto D::$(ethtool -i $dev 2>/dev/null|awk '/^driver:/{print $2}') W::0 F::1"
576     ((NETDEVICESCOUNT++))
577   fi
578 done
579
580 #NETDEVICES="$(cat /proc/net/dev | awk -F: '/eth.:|lan.:|tr.:|wlan.:|ath.:|ra.:/{print $1}')"
581
582 if [ -z "${NETDEVICES[*]}" ]; then
583   $DIALOG --msgbox "$MESSAGE0" 15 45
584   bailout
585 fi
586
587 count="$NETDEVICESCOUNT"
588
589 if [ "$count" -gt 1 ]; then
590   DEVICELIST=()
591   mycount=0
592   while [ $mycount -lt $count ]; do
593     DEVICE=${NETDEVICES[$mycount]}
594 #echo "$mycount is $DEVICE"
595     device2props
596 #echo "name: $DEVICENAME auto: $isauto fw: $isfirewire mac: $mac driver: $driver"
597     props2string
598     DEVICELIST=( "${DEVICELIST[@]}" "$mycount" "$MY_DEVICE_NAME" )
599     ((mycount++))
600   done
601 fi
602
603 # To translate
604 EXITKEY="E"
605 EXITMENU=( $EXITKEY Exit )
606
607 # main program loop until they bailout
608 while (true); do
609   # first get the device
610   if [ "$count" -gt 1 ]; then
611     rm -f "$TMP"
612     $DIALOG --menu "$MESSAGE1" 18 60 12 "${DEVICELIST[@]}" "${EXITMENU[@]}" 2>"$TMP" || bailout
613     read -r DV <"$TMP" ; rm -f "$TMP"
614     [ "$DV" = "$EXITKEY" ] && bailout
615   else
616     # Only one device
617     DV=0
618     # they have asked to stop configuring the interface so exit
619     [ -z "$IFACEDONE" ] || bailout
620   fi
621   # device config loop
622   IFACEDONE=""
623   while [ -n "$DV" ] && [ -z "$IFACEDONE" ]; do
624     configiface
625     if ! ifup $DV; then
626       $DIALOG --yesno "$MESSAGE14" 15 50 || IFACEDONE="DONE"
627     else
628       if $DIALOG --yesno "$MESSAGE15" 12 50 ; then
629          addauto
630          # get persistent interface names across reboots
631          generate_udev_entry
632          # make sure we don't run the dhcp stuff when using /etc/network/interfaces
633          disable_config_dhcp
634       else
635          remauto
636       fi
637       IFACEDONE="DONE"
638     fi
639   done
640 done
641
642 ## END OF FILE #################################################################