xref: /freebsd/usr.sbin/bsdinstall/scripts/wlanconfig (revision 1c61211223c7ab71c6189422ccb467a577544f98)
1#!/bin/sh
2#-
3# Copyright (c) 2011 Nathan Whitehorn
4# Copyright (c) 2013-2016 Devin Teske
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28# $FreeBSD$
29#
30############################################################ INCLUDES
31
32BSDCFG_SHARE="/usr/share/bsdconfig"
33. $BSDCFG_SHARE/common.subr || exit 1
34f_include $BSDCFG_SHARE/dialog.subr
35f_dialog_backtitle "FreeBSD Installer"
36
37############################################################ FUNCTIONS
38
39country_set()
40{
41	local error_str iface_up ifconfig_args=
42
43	#
44	# Setup what was selected
45	# NB: Do not change order of arguments (or regdomain will be ignored)
46	#
47	[ "$2" ] && ifconfig_args="$ifconfig_args country $2"
48	[ "$1" ] && ifconfig_args="$ifconfig_args regdomain $1"
49	[ "$ifconfig_args" ] || return $SUCCESS # Nothing to do
50	ifconfig_args="${ifconfig_args# }"
51
52	# Regdomain/country cannot be applied while interface is running
53	iface_up=$( ifconfig -lu | grep -w "$WLAN_IFACE" )
54	[ "$iface_up" ] && ifconfig "$WLAN_IFACE" down
55	error_str=$( ifconfig "$WLAN_IFACE" $ifconfig_args 2>&1 |
56		sed -e 's/ifconfig: //' )
57	if [ "$iface_up" ]; then
58		# Restart wpa_supplicant(8) (should not fail).
59		wpa_supplicant -B -i "$WLAN_IFACE" -c \
60			"$BSDINSTALL_TMPETC/wpa_supplicant.conf"
61	fi
62	if [ "$error_str" ]; then
63		$DIALOG \
64			--title "$msg_error" \
65			--backtitle "$DIALOG_BACKTITLE" \
66			--yes-label Change \
67			--no-label Ignore \
68			--yesno \
69			"Error while applying chosen settings ($error_str)" \
70			0 0
71		if [ $? -eq $DIALOG_OK ]; then
72			return $FAILURE # Restart
73		else
74			return $SUCCESS # Skip
75		fi
76	else
77		awk 'sub(/^\t\t/,"")||1' \
78			> "$BSDINSTALL_TMPETC/rc.conf.net.wlan" <<-EOF
79		create_args_$WLAN_IFACE="$ifconfig_args"
80		EOF
81	fi
82
83	return $SUCCESS
84}
85
86dialog_country_select()
87{
88	local input regdomains countries regdomain country prompt
89	local no_default="<not selected>"
90	local default_regdomain="${1:-$no_default}"
91	local default_country="${2:-$no_default}"
92
93	#
94	# Parse available countries/regdomains
95	#
96	input=$( ifconfig "$WLAN_IFACE" list countries | sed -e 's/DEBUG//gi' )
97	regdomains=$( echo $input | sed -e 's/.*domains://' | tr ' ' '\n' |
98		sort | tr '\n' ' ' )
99	countries=$( echo "$input" | awk '
100		sub(/Country codes:/, ""), sub(/Regulatory.*/, "") {
101			while (match($0, /[[:upper:]][[:upper:][:digit:]] /)) {
102				country = substr($0, RSTART)
103				sub(/ [[:upper:]][[:upper:][:digit:]].*/, "", country)
104				code = substr(country, 1, 2)
105				desc = substr(country, 4)
106				sub(/[[:space:]]*$/, "", desc)
107				printf "'\''%s'\'' '\''%s'\''\n", code, desc
108				$0 = substr($0, RSTART + RLENGTH)
109			}
110		}
111	' | sort )
112
113	f_dialog_title "Regdomain selection"
114	prompt="Select your regdomain."
115	f_dialog_menu_size height width rows "$DIALOG_TITLE" \
116		"$DIALOG_BACKTITLE" "$prompt" "" $regdomains
117	regdomain=$( sh -c "$DIALOG \
118		--title \"$DIALOG_TITLE\" \
119		--backtitle \"$DIALOG_BACKTITLE\" \
120		--cancel-label \"$msg_skip\" \
121		--default-item \"$default_regdomain\" \
122		--no-items \
123		--stdout \
124		--menu \"$prompt\" \
125		$height $width $rows $regdomains"
126	)
127
128	f_dialog_title "Country selection"
129	prompt="Select your country."
130	eval f_dialog_menu_size height width rows \
131		\"\$DIALOG_TITLE\" \"\$DIALOG_BACKTITLE\" \
132		\"\$prompt\" \"\" $countries
133	country=$( eval $DIALOG \
134		--title \"\$DIALOG_TITLE\" \
135		--backtitle \"\$DIALOG_BACKTITLE\" \
136		--cancel-label \"\$msg_skip\" \
137		--default-item \"\$default_country\" \
138		--menu \"\$prompt\" \
139		$height $width $rows \
140		$countries \
141		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
142	)
143
144	country_set "$regdomain" "$country"
145}
146
147############################################################ MAIN
148
149: > "$BSDINSTALL_TMPETC/wpa_supplicant.conf"
150chmod 0600 "$BSDINSTALL_TMPETC/wpa_supplicant.conf"
151
152cat >> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" << EOF
153ctrl_interface=/var/run/wpa_supplicant
154eapol_version=2
155ap_scan=1
156fast_reauth=1
157
158EOF
159
160#
161# Try to reach wpa_supplicant. If it isn't running and we can modify the
162# existing system, start it. Otherwise, fail.
163#
164(wpa_cli ping >/dev/null 2>/dev/null || ([ "$BSDINSTALL_CONFIGCURRENT" ] &&
165	wpa_supplicant -B -i $1 -c "$BSDINSTALL_TMPETC/wpa_supplicant.conf")) ||
166	($DIALOG --backtitle "$DIALOG_BACKTITLE" --title "$msg_error" --msgbox \
167	"Could not start wpa_supplicant!" 0 0; exit 1) || exit 1
168
169# See if we succeeded
170wpa_cli ping >/dev/null 2>/dev/null
171if [ $? -ne 0 -a ! "$BSDINSTALL_CONFIGCURRENT" ]; then
172	$DIALOG \
173		--title "$msg_error" \
174		--backtitle "$DIALOG_BACKTITLE" \
175		--msgbox "Wireless cannot be configured without making changes to the local system!" \
176		0 0
177	exit 1
178fi
179
180#
181# There is no way to check country/regdomain without (possible)
182# interface state modification
183#
184if [ "$BSDINSTALL_CONFIGCURRENT" ]; then
185	# Get current country/regdomain for selected interface
186	WLAN_IFACE=$( wpa_cli ifname | tail -1 )
187	INPUT=$( ifconfig "$WLAN_IFACE" list regdomain | head -1 )
188	DEF_REGDOMAIN=$( echo $INPUT | cut -w -f 2 )
189	DEF_COUNTRY=$( echo $INPUT | cut -w -f 4 )
190	[ "$DEF_REGDOMAIN" = 0 ] && DEF_REGDOMAIN="<not selected>"
191	[ "$DEF_COUNTRY" = 0 ] && DEF_COUNTRY="<not selected>"
192	f_dialog_title "Regdomain/country"
193	$DIALOG \
194		--title "$DIALOG_TITLE" \
195		--backtitle "$DIALOG_BACKTITLE" \
196		--yesno "Change regdomain/country (now $DEF_REGDOMAIN/$DEF_COUNTRY)?" \
197		0 0
198	if [ $? -eq 0 ]; then
199		while :; do
200			dialog_country_select "$DEF_REGDOMAIN" "$DEF_COUNTRY"
201			if [ $? -eq $SUCCESS ]; then
202				break
203			fi
204		done
205	fi
206fi
207
208while :; do
209	SCANSSID=0
210	output=$( wpa_cli scan 2>&1 )
211	f_dprintf "%s" "$output"
212	f_dialog_title "Scanning"
213	$DIALOG \
214		--title "$DIALOG_TITLE" \
215		--backtitle "$DIALOG_BACKTITLE" \
216		--ok-label "$msg_skip" \
217		--pause "Waiting 5 seconds to scan for wireless networks..." \
218		9 40 5 || exit 1
219
220	SCAN_RESULTS=$( wpa_cli scan_results )
221	NETWORKS=$( echo "$SCAN_RESULTS" | awk -F '\t' '
222		/..:..:..:..:..:../ && $5 { printf("\"%s\"\t%s\n", $5, $4) }
223	' | sort | uniq )
224
225	if [ ! "$NETWORKS" ]; then
226		f_dialog_title "$msg_error"
227		$DIALOG \
228			--title "$DIALOG_TITLE" \
229			--backtitle "$DIALOG_BACKTITLE" \
230			--yesno "No wireless networks were found. Rescan?" \
231			0 0 && continue
232		exit 1
233	fi
234
235	f_dialog_title "Network Selection"
236	NETWORK=$( sh -c "$DIALOG \
237		--title \"$DIALOG_TITLE\" \
238		--backtitle \"$DIALOG_BACKTITLE\" \
239		--extra-button \
240		--extra-label \"Rescan\" \
241		--menu \"Select a wireless network to connect to.\" \
242		0 0 0 \
243		$( echo $NETWORKS | tr '\n' ' ' )" \
244		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
245	)
246	case $? in
247	$DIALOG_OK) break ;;
248	$DIALOG_CANCEL)
249		# here we ask if the user wants to select the network manually
250		f_dialog_title "Network Selection"
251		f_dialog_yesno "Do you want to select the network manually?" || exit 1
252		f_dialog_input NETWORK "Enter SSID" || exit 1
253		ENCRYPTION=$( $DIALOG \
254			--title "$DIALOG_TITLE" \
255			--backtitle "$DIALOG_BACKTITLE" \
256			--menu "Select encryption type" \
257			0 0 0 \
258			"1 WPA/WPA2 PSK" "" \
259			"2 WPA/WPA2 EAP" "" \
260			"3 WEP" "" \
261			"0 None" "" \
262			2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
263		) || exit 1
264		SCANSSID=1
265		break
266		;;
267	$DIALOG_EXTRA) # Rescan
268		;;
269	esac
270done
271
272[ "$ENCRYPTION" ] || ENCRYPTION=$( echo "$NETWORKS" |
273	awk -F '\t' "/^\"$NETWORK\"\t/ { printf(\"%s\n\", \\\$2 ) }" )
274
275if echo $ENCRYPTION | grep -q 'PSK'; then
276	PASS=$( $DIALOG \
277		--title "WPA Setup" \
278		--backtitle "$DIALOG_BACKTITLE" \
279		--insecure \
280		--mixedform "" \
281		0 0 0 \
282		"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
283		"Password" 2 0 "" 2 12 15 63 1 \
284		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
285	) || exec "$0" "$@"
286	awk 'sub(/^\t/,"")||1' \
287		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
288	network={
289		ssid="$NETWORK"
290		scan_ssid=$SCANSSID
291		psk="$PASS"
292		priority=5
293	}
294	EOF
295elif echo $ENCRYPTION | grep -q EAP; then
296	USERPASS=$( $DIALOG \
297		--title "WPA-Enterprise Setup" \
298		--backtitle "$DIALOG_BACKTITLE" \
299		--insecure \
300		--mixedform "" \
301		0 0 0 \
302		"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
303		"Username" 2 0 "" 2 12 25 63 0 \
304		"Password" 3 0 "" 3 12 25 63 1 \
305		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
306	) || exec "$0" "$@"
307	awk 'sub(/^\t/,"")||1' \
308		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
309	network={
310		ssid="$NETWORK"
311		scan_ssid=$SCANSSID
312		key_mgmt=WPA-EAP$(
313		echo "$USERPASS" | awk '
314			NR == 1 { printf "\n\t\tidentity=\"%s\"", $1 }
315			NR == 2 { printf "\n\t\tpassword=\"%s\"", $1 }
316		' )
317		priority=5
318	}
319	EOF
320elif echo $ENCRYPTION | grep -q WEP; then
321	WEPKEY=$( $DIALOG \
322		--title "WEP Setup" \
323		--backtitle "$DIALOG_BACKTITLE" \
324		--insecure \
325		--mixedform "" \
326		0 0 0 \
327		"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
328		"WEP Key 0" 2 0 "" 2 12 15 0 1 \
329		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
330	) || exec "$0" "$@"
331	awk 'sub(/^\t/,"")||1' \
332		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
333	network={
334		ssid="$NETWORK"
335		scan_ssid=$SCANSSID
336		key_mgmt=NONE
337		wep_key0="$WEPKEY"
338		wep_tx_keyidx=0
339		priority=5
340	}
341	EOF
342else # Open
343	awk 'sub(/^\t/,"")||1' \
344		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
345	network={
346		ssid="$NETWORK"
347		scan_ssid=$SCANSSID
348		key_mgmt=NONE
349		priority=5
350	}
351	EOF
352fi
353
354# Connect to any open networks policy
355cat >> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" << EOF
356network={
357	priority=0
358	key_mgmt=NONE
359}
360EOF
361
362# Bring up new network
363if [ "$BSDINSTALL_CONFIGCURRENT" ]; then
364	output=$( wpa_cli reconfigure 2>&1 )
365	f_dprintf "%s" "$output"
366fi
367
368exit $SUCCESS
369
370################################################################################
371# END
372################################################################################
373