xref: /freebsd/usr.sbin/bsdinstall/scripts/wlanconfig (revision d5fddc4dcbe6a33b4203fa7570f846cd1044fa6a)
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 "$DIALOG_BACKTITLE" \
180			--msgbox "Could not start wpa_supplicant!" \
181			0 0
182		exit 1
183	fi
184fi
185
186#
187# There is no way to check country/regdomain without (possible)
188# interface state modification
189#
190if [ "$BSDINSTALL_CONFIGCURRENT" ]; then
191	# Get current country/regdomain for selected interface
192	WLAN_IFACE=$( wpa_cli ifname | tail -1 )
193	INPUT=$( ifconfig "$WLAN_IFACE" list regdomain | head -1 )
194	DEF_REGDOMAIN=$( echo "$INPUT" | cut -w -f 2 )
195	DEF_COUNTRY=$( echo "$INPUT" | cut -w -f 4 )
196	[ "$DEF_REGDOMAIN" = 0 ] && DEF_REGDOMAIN="<not selected>"
197	[ "$DEF_COUNTRY" = 0 ] && DEF_COUNTRY="<not selected>"
198	f_dialog_title "Regdomain/country"
199	$DIALOG \
200		--title "$DIALOG_TITLE" \
201		--backtitle "$DIALOG_BACKTITLE" \
202		--yesno "Change regdomain/country (now $DEF_REGDOMAIN/$DEF_COUNTRY)?" \
203		0 0
204	if [ $? -eq 0 ]; then
205		while :; do
206			dialog_country_select "$DEF_REGDOMAIN" "$DEF_COUNTRY"
207			if [ $? -eq $SUCCESS ]; then
208				break
209			fi
210		done
211	fi
212fi
213
214while :; do
215	SCANSSID=0
216	output=$( wpa_cli scan 2>&1 )
217	f_dprintf "%s" "$output"
218	f_dialog_title "Scanning"
219	$DIALOG \
220		--title "$DIALOG_TITLE" \
221		--backtitle "$DIALOG_BACKTITLE" \
222		--ok-label "$msg_skip" \
223		--pause "Waiting 5 seconds to scan for wireless networks..." \
224		9 40 5 || exit 1
225
226	SCAN_RESULTS=$( wpa_cli scan_results )
227	NETWORKS=$( echo "$SCAN_RESULTS" | awk -F '\t' '
228		/..:..:..:..:..:../ && $5 { printf "\"%s\"\t%s\n", $5, $4 }
229	' | sort | uniq )
230
231	if [ ! "$NETWORKS" ]; then
232		f_dialog_title "$msg_error"
233		$DIALOG \
234			--title "$DIALOG_TITLE" \
235			--backtitle "$DIALOG_BACKTITLE" \
236			--yesno "No wireless networks were found. Rescan?" \
237			0 0 && continue
238		exit 1
239	fi
240
241	f_dialog_title "Network Selection"
242	prompt="Select a wireless network to connect to."
243	menu_list=$( echo $NETWORKS | tr '\n' ' ' )
244	NETWORK=$( eval $DIALOG \
245		--title \"\$DIALOG_TITLE\" \
246		--backtitle \"\$DIALOG_BACKTITLE\" \
247		--extra-button \
248		--extra-label \"Rescan\" \
249		--menu \"\$prompt\" \
250		$height $width $rows \
251		$menu_list \
252		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
253	)
254	retval=$?
255	f_dialog_data_sanitize NETWORK
256	case $retval in
257	$DIALOG_OK) break ;;
258	$DIALOG_CANCEL)
259		# here we ask if the user wants to select the network manually
260		f_dialog_title "Network Selection"
261		f_yesno "Do you want to select the network manually?" || exit 1
262		f_dialog_input NETWORK "Enter SSID" || exit 1
263		prompt="Select encryption type"
264		menu_list="
265			'1 WPA/WPA2 PSK' ''
266			'2 WPA/WPA2 EAP' ''
267			'3 WEP' ''
268			'0 None' ''
269		" # END-QUOTE
270		eval f_dialog_menu_size height width rows \"\$DIALOG_TITLE\" \
271			\"\$DIALOG_BACKTITLE\" \"\$prompt\" \"\" $menu_list
272		ENCRYPTION=$( eval $DIALOG \
273			--title \"\$DIALOG_TITLE\" \
274			--backtitle \"\$DIALOG_BACKTITLE\" \
275			--menu \"\$prompt\" \
276			$height $width $rows \
277			$menu_list \
278			2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
279		) || exit 1
280		SCANSSID=1
281		break
282		;;
283	$DIALOG_EXTRA) # Rescan
284		;;
285	esac
286done
287
288[ "$ENCRYPTION" ] || ENCRYPTION=$( echo "$NETWORKS" |
289	awk -F '\t' "/^\"$NETWORK\"\t/ { print \$2 }" )
290
291if echo "$ENCRYPTION" | grep -q PSK; then
292	PASS=$( $DIALOG \
293		--title "WPA Setup"              \
294		--backtitle "$DIALOG_BACKTITLE"  \
295		--insecure                       \
296		--mixedform ""                   \
297		0 0 0                            \
298		"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
299		"Password" 2 0 "" 2 12 15 63 1   \
300		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
301	) || exec "$0" "$@"
302	awk 'sub(/^\t/,"")||1' \
303		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
304	network={
305		ssid="$NETWORK"
306		scan_ssid=$SCANSSID
307		psk="$PASS"
308		priority=5
309	}
310	EOF
311elif echo "$ENCRYPTION" | grep -q EAP; then
312	USERPASS=$( $DIALOG \
313		--title "WPA-Enterprise Setup"   \
314		--backtitle "$DIALOG_BACKTITLE"  \
315		--insecure                       \
316		--mixedform ""                   \
317		0 0 0                            \
318		"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
319		"Username" 2 0 "" 2 12 25 63 0   \
320		"Password" 3 0 "" 3 12 25 63 1   \
321		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
322	) || exec "$0" "$@"
323	awk 'sub(/^\t/,"")||1' \
324		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
325	network={
326		ssid="$NETWORK"
327		scan_ssid=$SCANSSID
328		key_mgmt=WPA-EAP$(
329		echo "$USERPASS" | awk '
330			NR == 1 { printf "\n\t\tidentity=\"%s\"", $1 }
331			NR == 2 { printf "\n\t\tpassword=\"%s\"", $1 }
332		' )
333		priority=5
334	}
335	EOF
336elif echo "$ENCRYPTION" | grep -q WEP; then
337	WEPKEY=$( $DIALOG \
338		--title "WEP Setup"              \
339		--backtitle "$DIALOG_BACKTITLE"  \
340		--insecure                       \
341		--mixedform ""                   \
342		0 0 0                            \
343		"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
344		"WEP Key 0" 2 0 "" 2 12 15 0 1   \
345		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
346	) || exec "$0" "$@"
347	awk 'sub(/^\t/,"")||1' \
348		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
349	network={
350		ssid="$NETWORK"
351		scan_ssid=$SCANSSID
352		key_mgmt=NONE
353		wep_key0="$WEPKEY"
354		wep_tx_keyidx=0
355		priority=5
356	}
357	EOF
358else # Open
359	awk 'sub(/^\t/,"")||1' \
360		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
361	network={
362		ssid="$NETWORK"
363		scan_ssid=$SCANSSID
364		key_mgmt=NONE
365		priority=5
366	}
367	EOF
368fi
369
370# Connect to any open networks policy
371cat >> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" << EOF
372network={
373	priority=0
374	key_mgmt=NONE
375}
376EOF
377
378# Bring up new network
379if [ "$BSDINSTALL_CONFIGCURRENT" ]; then
380	output=$( wpa_cli reconfigure 2>&1 )
381	f_dprintf "%s" "$output"
382fi
383
384exit $SUCCESS
385
386################################################################################
387# END
388################################################################################
389