xref: /freebsd/usr.sbin/bsdinstall/scripts/wlanconfig (revision 0724c87c959013839986da5054efe6a58e0ec99f)
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 || return $SUCCESS # Skip
71		return $FAILURE # Restart
72	else
73		awk 'sub(/^\t\t/,"")||1' \
74			> "$BSDINSTALL_TMPETC/rc.conf.net.wlan" <<-EOF
75		create_args_$WLAN_IFACE="$ifconfig_args"
76		EOF
77	fi
78
79	return $SUCCESS
80}
81
82dialog_country_select()
83{
84	local input regdomains countries regdomain country prompt
85	local no_default="<not selected>"
86	local default_regdomain="${1:-$no_default}"
87	local default_country="${2:-$no_default}"
88
89	#
90	# Parse available countries/regdomains
91	#
92	input=$( ifconfig "$WLAN_IFACE" list countries | sed -e 's/DEBUG//gi' )
93	regdomains=$( echo "$input" | awk '
94		sub(/.*domains:/, ""), /[^[:alnum:][[:space:]]/ {
95			n = split($0, domains)
96			for (i = 1; i <= n; i++)
97				printf "'\''%s'\'' '\'\''", domains[i]
98		}
99	' | sort )
100	countries=$( echo "$input" | awk '
101		sub(/Country codes:/, ""), sub(/Regulatory.*/, "") {
102			while (match($0, /[[:upper:]][[:upper:][:digit:]] /)) {
103				country = substr($0, RSTART)
104				sub(/ [[:upper:]][[:upper:][:digit:]].*/, "", country)
105				code = substr(country, 1, 2)
106				desc = substr(country, 4)
107				sub(/[[:space:]]*$/, "", desc)
108				printf "'\''%s'\'' '\''%s'\''\n", code, desc
109				$0 = substr($0, RSTART + RLENGTH)
110			}
111		}
112	' | sort )
113
114	f_dialog_title "Regdomain selection"
115	prompt="Select your regdomain."
116	eval f_dialog_menu_size height width rows \
117		\"\$DIALOG_TITLE\" \"\$DIALOG_BACKTITLE\" \
118		\"\$prompt\" \"\" $regdomains
119	regdomain=$( eval $DIALOG \
120		--title \"\$DIALOG_TITLE\"             \
121		--backtitle \"\$DIALOG_BACKTITLE\"     \
122		--cancel-label \"\$msg_skip\"          \
123		--default-item \"\$default_regdomain\" \
124		--menu \"\$prompt\"                    \
125		$height $width $rows                   \
126		$regdomains                            \
127		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
128	)
129	f_dialog_data_sanitize regdomain
130
131	f_dialog_title "Country selection"
132	prompt="Select your country."
133	eval f_dialog_menu_size height width rows \
134		\"\$DIALOG_TITLE\" \"\$DIALOG_BACKTITLE\" \
135		\"\$prompt\" \"\" $countries
136	country=$( eval $DIALOG \
137		--title \"\$DIALOG_TITLE\"           \
138		--backtitle \"\$DIALOG_BACKTITLE\"   \
139		--cancel-label \"\$msg_skip\"        \
140		--default-item \"\$default_country\" \
141		--menu \"\$prompt\"                  \
142		$height $width $rows                 \
143		$countries                           \
144		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
145	)
146	f_dialog_data_sanitize country
147
148	country_set "$regdomain" "$country"
149}
150
151############################################################ MAIN
152
153: > "$BSDINSTALL_TMPETC/wpa_supplicant.conf"
154chmod 0600 "$BSDINSTALL_TMPETC/wpa_supplicant.conf"
155
156cat >> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" << EOF
157ctrl_interface=/var/run/wpa_supplicant
158eapol_version=2
159ap_scan=1
160fast_reauth=1
161
162EOF
163
164#
165# Try to reach wpa_supplicant. If it isn't running and we can modify the
166# existing system, start it. Otherwise, fail.
167#
168if ! wpa_cli ping > /dev/null 2>&1; then
169	if [ ! "$BSDINSTALL_CONFIGCURRENT" ]; then
170		$DIALOG --backtitle "$DIALOG_BACKTITLE" --title "$msg_error" --msgbox \
171			"Wireless cannot be configured without making changes to the local system!" 0 0
172		exit 1
173	fi
174	wpa_supplicant -B -i $1 -c "$BSDINSTALL_TMPETC/wpa_supplicant.conf") || exit 1
175
176	if ! wpa_cli ping > /dev/null 2>&1 && [ ! "$BSDINSTALL_CONFIGCURRENT" ]; then
177		$DIALOG \
178			--title "$msg_error" \
179			--backtitle "$DIALOG_BACKTITLE" \
180			--msgbox "Could not start wpa_supplicant!" \
181			0 0
182		exit 1
183	fi
184fi
185
186
187#
188# There is no way to check country/regdomain without (possible)
189# interface state modification
190#
191if [ "$BSDINSTALL_CONFIGCURRENT" ]; then
192	# Get current country/regdomain for selected interface
193	WLAN_IFACE=$( wpa_cli ifname | tail -1 )
194	INPUT=$( ifconfig "$WLAN_IFACE" list regdomain | head -1 )
195	DEF_REGDOMAIN=$( echo "$INPUT" | cut -w -f 2 )
196	DEF_COUNTRY=$( echo "$INPUT" | cut -w -f 4 )
197	[ "$DEF_REGDOMAIN" = 0 ] && DEF_REGDOMAIN="<not selected>"
198	[ "$DEF_COUNTRY" = 0 ] && DEF_COUNTRY="<not selected>"
199	f_dialog_title "Regdomain/country"
200	$DIALOG \
201		--title "$DIALOG_TITLE" \
202		--backtitle "$DIALOG_BACKTITLE" \
203		--yesno "Change regdomain/country (now $DEF_REGDOMAIN/$DEF_COUNTRY)?" \
204		0 0
205	if [ $? -eq 0 ]; then
206		while :; do
207			dialog_country_select "$DEF_REGDOMAIN" "$DEF_COUNTRY"
208			if [ $? -eq $SUCCESS ]; then
209				break
210			fi
211		done
212	fi
213fi
214
215while :; do
216	SCANSSID=0
217	output=$( wpa_cli scan 2>&1 )
218	f_dprintf "%s" "$output"
219	f_dialog_title "Scanning"
220	$DIALOG \
221		--title "$DIALOG_TITLE" \
222		--backtitle "$DIALOG_BACKTITLE" \
223		--ok-label "$msg_skip" \
224		--pause "Waiting 5 seconds to scan for wireless networks..." \
225		9 40 5 || exit 1
226
227	SCAN_RESULTS=$( wpa_cli scan_results )
228	NETWORKS=$( echo "$SCAN_RESULTS" | awk -F '\t' '
229		/..:..:..:..:..:../ && $5 { printf("\"%s\"\t%s\n", $5, $4) }
230	' | sort | uniq )
231
232	if [ ! "$NETWORKS" ]; then
233		f_dialog_title "$msg_error"
234		$DIALOG \
235			--title "$DIALOG_TITLE" \
236			--backtitle "$DIALOG_BACKTITLE" \
237			--yesno "No wireless networks were found. Rescan?" \
238			0 0 && continue
239		exit 1
240	fi
241
242	f_dialog_title "Network Selection"
243	NETWORK=$( sh -c "$DIALOG \
244		--title \"$DIALOG_TITLE\" \
245		--backtitle \"$DIALOG_BACKTITLE\" \
246		--extra-button \
247		--extra-label \"Rescan\" \
248		--menu \"Select a wireless network to connect to.\" \
249		0 0 0 \
250		$( echo $NETWORKS | tr '\n' ' ' )" \
251		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
252	)
253	retval=$?
254	f_dialog_data_sanitize NETWORK
255	case $retval in
256	$DIALOG_OK) break ;;
257	$DIALOG_CANCEL)
258		# here we ask if the user wants to select the network manually
259		f_dialog_title "Network Selection"
260		f_yesno "Do you want to select the network manually?" || exit 1
261		f_dialog_input NETWORK "Enter SSID" || exit 1
262		ENCRYPTION=$( $DIALOG \
263			--title "$DIALOG_TITLE" \
264			--backtitle "$DIALOG_BACKTITLE" \
265			--menu "Select encryption type" \
266			0 0 0 \
267			"1 WPA/WPA2 PSK" "" \
268			"2 WPA/WPA2 EAP" "" \
269			"3 WEP" "" \
270			"0 None" "" \
271			2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
272		) || exit 1
273		SCANSSID=1
274		break
275		;;
276	$DIALOG_EXTRA) # Rescan
277		;;
278	esac
279done
280
281[ "$ENCRYPTION" ] || ENCRYPTION=$( echo "$NETWORKS" |
282	awk -F '\t' "/^\"$NETWORK\"\t/ { printf(\"%s\n\", \\\$2 ) }" )
283
284if echo $ENCRYPTION | grep -q 'PSK'; then
285	PASS=$( $DIALOG \
286		--title "WPA Setup" \
287		--backtitle "$DIALOG_BACKTITLE" \
288		--insecure \
289		--mixedform "" \
290		0 0 0 \
291		"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
292		"Password" 2 0 "" 2 12 15 63 1 \
293		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
294	) || exec "$0" "$@"
295	awk 'sub(/^\t/,"")||1' \
296		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
297	network={
298		ssid="$NETWORK"
299		scan_ssid=$SCANSSID
300		psk="$PASS"
301		priority=5
302	}
303	EOF
304elif echo $ENCRYPTION | grep -q EAP; then
305	USERPASS=$( $DIALOG \
306		--title "WPA-Enterprise Setup" \
307		--backtitle "$DIALOG_BACKTITLE" \
308		--insecure \
309		--mixedform "" \
310		0 0 0 \
311		"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
312		"Username" 2 0 "" 2 12 25 63 0 \
313		"Password" 3 0 "" 3 12 25 63 1 \
314		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
315	) || exec "$0" "$@"
316	awk 'sub(/^\t/,"")||1' \
317		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
318	network={
319		ssid="$NETWORK"
320		scan_ssid=$SCANSSID
321		key_mgmt=WPA-EAP$(
322		echo "$USERPASS" | awk '
323			NR == 1 { printf "\n\t\tidentity=\"%s\"", $1 }
324			NR == 2 { printf "\n\t\tpassword=\"%s\"", $1 }
325		' )
326		priority=5
327	}
328	EOF
329elif echo $ENCRYPTION | grep -q WEP; then
330	WEPKEY=$( $DIALOG \
331		--title "WEP Setup" \
332		--backtitle "$DIALOG_BACKTITLE" \
333		--insecure \
334		--mixedform "" \
335		0 0 0 \
336		"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
337		"WEP Key 0" 2 0 "" 2 12 15 0 1 \
338		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
339	) || exec "$0" "$@"
340	awk 'sub(/^\t/,"")||1' \
341		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
342	network={
343		ssid="$NETWORK"
344		scan_ssid=$SCANSSID
345		key_mgmt=NONE
346		wep_key0="$WEPKEY"
347		wep_tx_keyidx=0
348		priority=5
349	}
350	EOF
351else # Open
352	awk 'sub(/^\t/,"")||1' \
353		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
354	network={
355		ssid="$NETWORK"
356		scan_ssid=$SCANSSID
357		key_mgmt=NONE
358		priority=5
359	}
360	EOF
361fi
362
363# Connect to any open networks policy
364cat >> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" << EOF
365network={
366	priority=0
367	key_mgmt=NONE
368}
369EOF
370
371# Bring up new network
372if [ "$BSDINSTALL_CONFIGCURRENT" ]; then
373	output=$( wpa_cli reconfigure 2>&1 )
374	f_dprintf "%s" "$output"
375fi
376
377exit $SUCCESS
378
379################################################################################
380# END
381################################################################################
382