xref: /freebsd/usr.sbin/bsdinstall/scripts/wlanconfig (revision aa24f48b361effe51163877d84f1b70d32b77e04)
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	f_eval_catch -dk error_str wlanconfig ifconfig "ifconfig %s %s" \
56		"$WLAN_IFACE" "$ifconfig_args"
57	error_str="${error_str#ifconfig: }"
58	# Restart wpa_supplicant(8) (should not fail).
59	[ "$iface_up" ] && f_eval_catch -d wlanconfig wpa_supplicant \
60		'wpa_supplicant -B -i "%s" -c "%s/wpa_supplicant.conf"' \
61		"$WLAN_IFACE" "$BSDINSTALL_TMPETC"
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 >> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" << EOF
157ctrl_interface=/var/run/wpa_supplicant
158eapol_version=2
159ap_scan=1
160fast_reauth=1
161
162EOF
163
164#
165# Try to reach wpa_supplicant. If it isn't running and we can modify the
166# existing system, start it. Otherwise, fail.
167#
168if ! f_eval_catch -d wlanconfig wpa_cli "wpa_cli ping"; then
169	if [ ! "$BSDINSTALL_CONFIGCURRENT" ]; then
170		f_show_err "Wireless cannot be configured without %s" \
171		           "making changes to the local system!"
172		exit 1
173	fi
174	f_eval_catch wlanconfig wpa_supplicant \
175		'wpa_supplicant -B -i "%s" -c "%s/wpa_supplicant.conf"' \
176		"$1" "$BSDINSTALL_TMPETC" || exit 1
177
178	# See if we succeeded
179	f_eval_catch wlanconfig wpa_cli "wpa_cli ping" || exit 1
180fi
181
182#
183# There is no way to check country/regdomain without (possible)
184# interface state modification
185#
186if [ "$BSDINSTALL_CONFIGCURRENT" ]; then
187	# Get current country/regdomain for selected interface
188	WLAN_IFACE=$( wpa_cli ifname | tail -n 1 )
189	INPUT=$( ifconfig "$WLAN_IFACE" list regdomain | head -n 1 )
190	DEF_REGDOMAIN=$( echo "$INPUT" | cut -w -f 2 )
191	DEF_COUNTRY=$( echo "$INPUT" | cut -w -f 4 )
192	[ "$DEF_REGDOMAIN" = 0 ] && DEF_REGDOMAIN="<not selected>"
193	[ "$DEF_COUNTRY" = 0 ] && DEF_COUNTRY="<not selected>"
194	f_dialog_title "Regdomain/country"
195	if f_yesno "Change regdomain/country ($DEF_REGDOMAIN/$DEF_COUNTRY)?"
196	then
197		while ! dialog_country_select "$DEF_REGDOMAIN" "$DEF_COUNTRY"
198		do :; done
199	fi
200fi
201
202while :; do
203	SCANSSID=0
204	f_eval_catch -d wlanconfig wpa_cli "wpa_cli scan"
205	f_dialog_title "Scanning"
206	f_dialog_pause "Waiting 5 seconds to scan for wireless networks..." 5 ||
207		exit 1
208
209	f_eval_catch -dk SCAN_RESULTS wlanconfig wpa_cli "wpa_cli scan_results"
210	NETWORKS=$( echo "$SCAN_RESULTS" | awk -F '\t' '
211		/..:..:..:..:..:../ && $5 { printf "\"%s\"\t\"%s\"\n", $5, $4 }
212	' | sort | uniq )
213
214	if [ ! "$NETWORKS" ]; then
215		f_dialog_title "$msg_error"
216		f_yesno "No wireless networks were found. Rescan?" && continue
217		exit 1
218	fi
219
220	f_dialog_title "Network Selection"
221	prompt="Select a wireless network to connect to."
222	f_dialog_menu_size height width rows "$DIALOG_TITLE" \
223		"$DIALOG_BACKTITLE" "$prompt" "" $menu_list
224	NETWORK=$( eval $DIALOG \
225		--title \"\$DIALOG_TITLE\"         \
226		--backtitle \"\$DIALOG_BACKTITLE\" \
227		--extra-button                     \
228		--extra-label \"Rescan\"           \
229		--menu \"\$prompt\"                \
230		$height $width $rows               \
231		$NETWORKS                          \
232		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
233	)
234	retval=$?
235	f_dialog_data_sanitize NETWORK
236	case $retval in
237	$DIALOG_OK) break ;;
238	$DIALOG_CANCEL)
239		# Ask if the user wants to select network manually
240		f_dialog_title "Network Selection"
241		f_yesno "Do you want to select the network manually?" || exit 1
242		f_dialog_input NETWORK "Enter SSID" || exit 1
243		prompt="Select encryption type"
244		menu_list="
245			'1 WPA/WPA2 PSK' ''
246			'2 WPA/WPA2 EAP' ''
247			'3 WEP' ''
248			'0 None' ''
249		" # END-QUOTE
250		eval f_dialog_menu_size height width rows \"\$DIALOG_TITLE\" \
251			\"\$DIALOG_BACKTITLE\" \"\$prompt\" \"\" $menu_list
252		ENCRYPTION=$( eval $DIALOG \
253			--title \"\$DIALOG_TITLE\"         \
254			--backtitle \"\$DIALOG_BACKTITLE\" \
255			--menu \"\$prompt\"                \
256			$height $width $rows               \
257			$menu_list                         \
258			2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
259		) || exit 1
260		SCANSSID=1
261		break
262		;;
263	$DIALOG_EXTRA) # Rescan
264		;;
265	esac
266done
267
268[ "$ENCRYPTION" ] || ENCRYPTION=$( echo "$NETWORKS" |
269	awk -F '\t' "/^\"$NETWORK\"\t/ { print \$2 }" )
270
271if echo "$ENCRYPTION" | grep -q PSK; then
272	PASS=$( $DIALOG \
273		--title "WPA Setup"              \
274		--backtitle "$DIALOG_BACKTITLE"  \
275		--insecure                       \
276		--mixedform ""                   \
277		0 0 0                            \
278		"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
279		"Password" 2 0 "" 2 12 15 63 1   \
280		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
281	) || exec "$0" "$@"
282	awk 'sub(/^\t/,"")||1' \
283		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
284	network={
285		ssid="$NETWORK"
286		scan_ssid=$SCANSSID
287		psk="$PASS"
288		priority=5
289	}
290	EOF
291elif echo "$ENCRYPTION" | grep -q EAP; then
292	USERPASS=$( $DIALOG \
293		--title "WPA-Enterprise Setup"   \
294		--backtitle "$DIALOG_BACKTITLE"  \
295		--insecure                       \
296		--mixedform ""                   \
297		0 0 0                            \
298		"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
299		"Username" 2 0 "" 2 12 25 63 0   \
300		"Password" 3 0 "" 3 12 25 63 1   \
301		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
302	) || exec "$0" "$@"
303	awk 'sub(/^\t/,"")||1' \
304		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
305	network={
306		ssid="$NETWORK"
307		scan_ssid=$SCANSSID
308		key_mgmt=WPA-EAP$(
309		echo "$USERPASS" | awk '
310			NR == 1 { printf "\n\t\tidentity=\"%s\"", $1 }
311			NR == 2 { printf "\n\t\tpassword=\"%s\"", $1 }
312		' )
313		priority=5
314	}
315	EOF
316elif echo "$ENCRYPTION" | grep -q WEP; then
317	WEPKEY=$( $DIALOG \
318		--title "WEP Setup"              \
319		--backtitle "$DIALOG_BACKTITLE"  \
320		--insecure                       \
321		--mixedform ""                   \
322		0 0 0                            \
323		"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
324		"WEP Key 0" 2 0 "" 2 12 15 0 1   \
325		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
326	) || exec "$0" "$@"
327	awk 'sub(/^\t/,"")||1' \
328		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
329	network={
330		ssid="$NETWORK"
331		scan_ssid=$SCANSSID
332		key_mgmt=NONE
333		wep_key0="$WEPKEY"
334		wep_tx_keyidx=0
335		priority=5
336	}
337	EOF
338else # Open
339	awk 'sub(/^\t/,"")||1' \
340		>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
341	network={
342		ssid="$NETWORK"
343		scan_ssid=$SCANSSID
344		key_mgmt=NONE
345		priority=5
346	}
347	EOF
348fi
349
350# Connect to any open networks policy
351cat >> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" << EOF
352network={
353	priority=0
354	key_mgmt=NONE
355}
356EOF
357
358# Bring up new network
359[ "$BSDINSTALL_CONFIGCURRENT" ] &&
360	f_eval_catch -d wlanconfig wpa_cli "wpa_cli reconfigure"
361
362exit $SUCCESS
363
364################################################################################
365# END
366################################################################################
367