mirror of
https://github.com/freebsd/freebsd-src
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55d2990548
Use correct variable while creating dialog used to select among
available wireless networks
Approved by: asiciliano
Sponsored by: Rubicon Communications, LLC ("Netgate")
Differential Revision: https://reviews.freebsd.org/D45271
364 lines
11 KiB
Bash
Executable file
364 lines
11 KiB
Bash
Executable file
#!/bin/sh
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#-
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# Copyright (c) 2011 Nathan Whitehorn
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# Copyright (c) 2013-2020 Devin Teske
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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#
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############################################################ INCLUDES
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BSDCFG_SHARE="/usr/share/bsdconfig"
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. $BSDCFG_SHARE/common.subr || exit 1
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f_include $BSDCFG_SHARE/dialog.subr
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f_dialog_backtitle "$OSNAME Installer"
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############################################################ FUNCTIONS
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country_set()
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{
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local error_str iface_up ifconfig_args=
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#
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# Setup what was selected
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# NB: Do not change order of arguments (or regdomain will be ignored)
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#
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[ "$2" ] && ifconfig_args="$ifconfig_args country $2"
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[ "$1" ] && ifconfig_args="$ifconfig_args regdomain $1"
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[ "$ifconfig_args" ] || return $SUCCESS # Nothing to do
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ifconfig_args="${ifconfig_args# }"
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# Regdomain/country cannot be applied while interface is running
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iface_up=$( ifconfig -lu | grep -w "$WLAN_IFACE" )
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[ "$iface_up" ] && ifconfig "$WLAN_IFACE" down
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f_eval_catch -dk error_str wlanconfig ifconfig "ifconfig %s %s" \
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"$WLAN_IFACE" "$ifconfig_args"
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error_str="${error_str#ifconfig: }"
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# Restart wpa_supplicant(8) (should not fail).
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[ "$iface_up" ] && f_eval_catch -d wlanconfig wpa_supplicant \
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'wpa_supplicant -B -i "%s" -c "%s/wpa_supplicant.conf"' \
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"$WLAN_IFACE" "$BSDINSTALL_TMPETC"
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if [ "$error_str" ]; then
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$DIALOG --title "$msg_error" \
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--backtitle "$DIALOG_BACKTITLE" \
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--yes-label Change \
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--no-label Ignore \
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--yesno \
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"Error while applying chosen settings ($error_str)" \
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0 0 || return $SUCCESS # Skip
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return $FAILURE # Restart
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else
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cat > "$BSDINSTALL_TMPETC/rc.conf.net.wlan" <<-EOF
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create_args_$WLAN_IFACE="$ifconfig_args"
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EOF
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fi
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return $SUCCESS
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}
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dialog_country_select()
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{
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local input regdomains countries regdomain country prompt
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local no_default="<not selected>"
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local default_regdomain="${1:-$no_default}"
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local default_country="${2:-$no_default}"
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#
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# Parse available countries/regdomains
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#
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input=$( ifconfig "$WLAN_IFACE" list countries | sed -e 's/DEBUG//gi' )
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regdomains=$( echo "$input" | awk '
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sub(/.*domains:/, ""), /[^[:alnum:][[:space:]]/ {
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n = split($0, domains)
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for (i = 1; i <= n; i++)
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printf "'\''%s'\'' '\'\''", domains[i]
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}
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' | sort )
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countries=$( echo "$input" | awk '
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sub(/Country codes:/, ""), sub(/Regulatory.*/, "") {
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while (match($0, /[[:upper:]][[:upper:][:digit:]] /)) {
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country = substr($0, RSTART)
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sub(/ [[:upper:]][[:upper:][:digit:]].*/, "",
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country)
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code = substr(country, 1, 2)
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desc = substr(country, 4)
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sub(/[[:space:]]*$/, "", desc)
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printf "'\''%s'\'' '\''%s'\''\n", code, desc
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$0 = substr($0, RSTART + RLENGTH)
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}
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}
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' | sort )
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f_dialog_title "Regdomain selection"
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prompt="Select your regdomain."
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eval f_dialog_menu_size height width rows \
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\"\$DIALOG_TITLE\" \"\$DIALOG_BACKTITLE\" \
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\"\$prompt\" \"\" $regdomains
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regdomain=$( eval $DIALOG \
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--title \"\$DIALOG_TITLE\" \
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--backtitle \"\$DIALOG_BACKTITLE\" \
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--cancel-label \"\$msg_skip\" \
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--default-item \"\$default_regdomain\" \
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--menu \"\$prompt\" \
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$height $width $rows \
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$regdomains \
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2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
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)
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f_dialog_data_sanitize regdomain
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f_dialog_title "Country selection"
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prompt="Select your country."
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eval f_dialog_menu_size height width rows \
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\"\$DIALOG_TITLE\" \"\$DIALOG_BACKTITLE\" \
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\"\$prompt\" \"\" $countries
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country=$( eval $DIALOG \
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--title \"\$DIALOG_TITLE\" \
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--backtitle \"\$DIALOG_BACKTITLE\" \
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--cancel-label \"\$msg_skip\" \
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--default-item \"\$default_country\" \
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--menu \"\$prompt\" \
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$height $width $rows \
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$countries \
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2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
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)
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f_dialog_data_sanitize country
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country_set "$regdomain" "$country"
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}
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############################################################ MAIN
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: > "$BSDINSTALL_TMPETC/wpa_supplicant.conf"
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chmod 0600 "$BSDINSTALL_TMPETC/wpa_supplicant.conf"
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cat >> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<EOF
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ctrl_interface=/var/run/wpa_supplicant
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eapol_version=2
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ap_scan=1
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fast_reauth=1
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EOF
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#
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# Try to reach wpa_supplicant. If it isn't running and we can modify the
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# existing system, start it. Otherwise, fail.
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#
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if ! f_eval_catch -d wlanconfig wpa_cli "wpa_cli ping"; then
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if [ ! "$BSDINSTALL_CONFIGCURRENT" ]; then
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f_show_err "Wireless cannot be configured without %s" \
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"making changes to the local system!"
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exit 1
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fi
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f_eval_catch wlanconfig wpa_supplicant \
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'wpa_supplicant -B -i "%s" -c "%s/wpa_supplicant.conf"' \
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"$1" "$BSDINSTALL_TMPETC" || exit 1
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# See if we succeeded
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f_eval_catch wlanconfig wpa_cli "wpa_cli ping" || exit 1
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fi
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#
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# There is no way to check country/regdomain without (possible)
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# interface state modification
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#
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if [ "$BSDINSTALL_CONFIGCURRENT" ]; then
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# Get current country/regdomain for selected interface
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WLAN_IFACE=$( wpa_cli ifname | tail -n 1 )
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INPUT=$( ifconfig "$WLAN_IFACE" list regdomain | head -n 1 )
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DEF_REGDOMAIN=$( echo "$INPUT" | cut -w -f 2 )
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DEF_COUNTRY=$( echo "$INPUT" | cut -w -f 4 )
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[ "$DEF_REGDOMAIN" = 0 ] && DEF_REGDOMAIN="<not selected>"
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[ "$DEF_COUNTRY" = 0 ] && DEF_COUNTRY="<not selected>"
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f_dialog_title "Regdomain/country"
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if f_yesno "Change regdomain/country ($DEF_REGDOMAIN/$DEF_COUNTRY)?"
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then
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while ! dialog_country_select "$DEF_REGDOMAIN" "$DEF_COUNTRY"
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do :; done
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fi
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fi
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while :; do
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SCANSSID=0
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f_eval_catch -d wlanconfig wpa_cli "wpa_cli scan"
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f_dialog_title "Scanning"
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f_dialog_pause "Waiting 5 seconds to scan for wireless networks..." 5 ||
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exit 1
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f_eval_catch -dk SCAN_RESULTS wlanconfig wpa_cli "wpa_cli scan_results"
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NETWORKS=$( echo "$SCAN_RESULTS" | awk -F '\t' '
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/..:..:..:..:..:../ && $5 { printf "\"%s\"\t\"%s\"\n", $5, $4 }
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' | sort | uniq )
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if [ ! "$NETWORKS" ]; then
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f_dialog_title "$msg_error"
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f_yesno "No wireless networks were found. Rescan?" && continue
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else
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f_dialog_title "Network Selection"
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prompt="Select a wireless network to connect to."
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f_dialog_menu_size height width rows "$DIALOG_TITLE" \
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"$DIALOG_BACKTITLE" "$prompt" "" $NETWORKS
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NETWORK=$( eval $DIALOG \
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--title \"\$DIALOG_TITLE\" \
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--backtitle \"\$DIALOG_BACKTITLE\" \
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--extra-button \
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--extra-label \"Rescan\" \
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--menu \"\$prompt\" \
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$height $width $rows \
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$NETWORKS \
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2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
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)
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fi
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retval=$?
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f_dialog_data_sanitize NETWORK
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case $retval in
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$DIALOG_OK) break ;;
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$DIALOG_CANCEL)
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# Ask if the user wants to select network manually
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f_dialog_title "Network Selection"
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f_yesno "Do you want to select the network manually?" || exit 1
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f_dialog_input NETWORK "Enter SSID" || exit 1
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prompt="Select encryption type"
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menu_list="
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'1 WPA/WPA2 PSK' ''
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'2 WPA/WPA2 EAP' ''
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'3 WEP' ''
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'0 None' ''
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" # END-QUOTE
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eval f_dialog_menu_size height width rows \"\$DIALOG_TITLE\" \
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\"\$DIALOG_BACKTITLE\" \"\$prompt\" \"\" $menu_list
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ENCRYPTION=$( eval $DIALOG \
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--title \"\$DIALOG_TITLE\" \
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--backtitle \"\$DIALOG_BACKTITLE\" \
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--menu \"\$prompt\" \
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$height $width $rows \
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$menu_list \
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2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
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) || exit 1
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SCANSSID=1
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break
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;;
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$DIALOG_EXTRA) # Rescan
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;;
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esac
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done
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[ "$ENCRYPTION" ] || ENCRYPTION=$( echo "$NETWORKS" |
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awk -F '\t' "/^\"$NETWORK\"\t/ { print \$2 }" )
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if echo "$ENCRYPTION" | grep -q PSK; then
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PASS=$( $DIALOG \
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--title "WPA Setup" \
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--backtitle "$DIALOG_BACKTITLE" \
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--insecure \
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--mixedform "" \
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0 0 0 \
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"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
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"Password" 2 0 "" 2 12 15 63 1 \
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2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
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) || exec "$0" "$@"
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awk 'sub(/^\\/,"")||1' \
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>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
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network={
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\ ssid="$NETWORK"
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\ scan_ssid=$SCANSSID
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\ psk="$PASS"
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\ priority=5
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}
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EOF
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elif echo "$ENCRYPTION" | grep -q EAP; then
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USERPASS=$( $DIALOG \
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--title "WPA-Enterprise Setup" \
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--backtitle "$DIALOG_BACKTITLE" \
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--insecure \
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--mixedform "" \
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0 0 0 \
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"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
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"Username" 2 0 "" 2 12 25 63 0 \
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"Password" 3 0 "" 3 12 25 63 1 \
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2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
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) || exec "$0" "$@"
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awk 'sub(/^\\/,"")||1' \
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>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
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network={
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\ ssid="$NETWORK"
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\ scan_ssid=$SCANSSID
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\ key_mgmt=WPA-EAP$(
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echo "$USERPASS" | awk '
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NR == 1 { printf "\n\tidentity=\"%s\"", $1 }
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NR == 2 { printf "\n\tpassword=\"%s\"", $1 }
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' )
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\ priority=5
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}
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EOF
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elif echo "$ENCRYPTION" | grep -q WEP; then
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WEPKEY=$( $DIALOG \
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--title "WEP Setup" \
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--backtitle "$DIALOG_BACKTITLE" \
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--insecure \
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--mixedform "" \
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0 0 0 \
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"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
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"WEP Key 0" 2 0 "" 2 12 15 0 1 \
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2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
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) || exec "$0" "$@"
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awk 'sub(/^\\/,"")||1' \
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>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
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network={
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\ ssid="$NETWORK"
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\ scan_ssid=$SCANSSID
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\ key_mgmt=NONE
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\ wep_key0="$WEPKEY"
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\ wep_tx_keyidx=0
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\ priority=5
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}
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EOF
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else # Open
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awk 'sub(/^\\/,"")||1' \
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>> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<-EOF
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network={
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\ ssid="$NETWORK"
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\ scan_ssid=$SCANSSID
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\ key_mgmt=NONE
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\ priority=5
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}
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EOF
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fi
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# Connect to any open networks policy
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cat >> "$BSDINSTALL_TMPETC/wpa_supplicant.conf" <<EOF
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network={
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priority=0
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key_mgmt=NONE
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}
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EOF
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# Bring up new network
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[ "$BSDINSTALL_CONFIGCURRENT" ] &&
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f_eval_catch -d wlanconfig wpa_cli "wpa_cli reconfigure"
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exit $SUCCESS
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################################################################################
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# END
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################################################################################
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