-#!/bin/sh
-
-#####################################################################
-## Purpose
-# This file contains common shell functions used by scripts of the
-# wpasupplicant package to allow ifupdown to manage wpa_supplicant.
-# It also contains some functions used by wpa_action(8) that allow
-# ifupdown to be managed by wpa_cli(8) action events.
-#
-# This file is provided by the wpasupplicant package.
-
-#####################################################################
-# Copyright (C) 2006 - 2009 Debian/Ubuntu wpasupplicant Maintainers
-# <pkg-wpa-devel@lists.alioth.debian.org>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# On Debian GNU/Linux systems, the text of the GPL license,
-# version 2, can be found in /usr/share/common-licenses/GPL-2.
-
-#####################################################################
-## global variables
-# wpa_supplicant variables
-WPA_SUP_BIN="/usr/sbin/wpa_supplicant"
-WPA_SUP_PNAME="wpa_supplicant"
-WPA_SUP_PIDFILE="/var/run/wpa_supplicant.${WPA_IFACE}.pid"
-
-# wpa_cli variables
-WPA_CLI_BIN="/usr/sbin/wpa_cli"
-WPA_CLI_PNAME="wpa_cli"
-WPA_CLI_PIDFILE="/var/run/wpa_action.${WPA_IFACE}.pid"
-WPA_CLI_TIMESTAMP="/var/run/wpa_action.${WPA_IFACE}.timestamp"
-WPA_CLI_IFUPDOWN="/var/run/wpa_action.${WPA_IFACE}.ifupdown"
-
-# sendsigs omission interface, present in initscripts (>= 2.86.ds1-48)
-if [ -d /lib/init/rw/sendsigs.omit.d/ ]; then
- # Debian
- WPA_SUP_OMIT_PIDFILE="/lib/init/rw/sendsigs.omit.d/wpasupplicant.wpa_supplicant.${WPA_IFACE}.pid"
-elif [ -d /var/run/sendsigs.omit.d/ ]; then
- # Ubuntu, see https://launchpad.net/bugs/181541 for status
- WPA_SUP_OMIT_PIDFILE="/var/run/sendsigs.omit.d/wpasupplicant.wpa_supplicant.${WPA_IFACE}.pid"
-else
- WPA_SUP_OMIT_PIDFILE=
-fi
-
-# default ctrl_interface socket directory
-if [ -z "$WPA_CTRL_DIR" ]; then
- WPA_CTRL_DIR="/var/run/wpa_supplicant"
-fi
-
-# verbosity variables
-if [ -n "$IF_WPA_VERBOSITY" ] || [ "$VERBOSITY" = "1" ]; then
- TO_NULL="/dev/stdout"
- DAEMON_VERBOSITY="--verbose"
-else
- TO_NULL="/dev/null"
- DAEMON_VERBOSITY="--quiet"
-fi
-
-#####################################################################
-## wpa_cli wrapper
-# Path to common ctrl_interface socket and iface supplied.
-# NB: WPA_CTRL_DIR cannot be used for interactive commands, it is
-# set only in the environment that wpa_cli provides when processing
-# action events.
-#
-wpa_cli () {
- "$WPA_CLI_BIN" -p "$WPA_CTRL_DIR" -i "$WPA_IFACE" "$@"
-
- return "$?"
-}
-
-#####################################################################
-## verbose and stderr message wrapper
-# Ensures a standard and easily identifiable message is printed by
-# scripts using this function library.
-#
-# log Log a message to syslog when called non-interactively
-# by wpa_action
-#
-# verbose To stdout when IF_WPA_VERBOSITY or VERBOSITY is true
-#
-# action Same as verbose but without newline
-# Useful for allowing wpa_cli commands to echo result
-# value of 'OK' or 'FAILED'
-#
-# stderr Echo warning or error messages to stderr
-#
-# NB: when called by wpa_action, there is no redirection (verbose)
-#
-wpa_msg () {
- if [ "$1" = "log" ]; then
- shift
- case "$WPA_ACTION" in
- "CONNECTED"|"DISCONNECTED")
- [ -x /usr/bin/logger ] || return
- if [ "$#" -gt 0 ]; then
- logger -t "wpa_action" "$@"
- else
- logger -t "wpa_action"
- fi
- ;;
- *)
- [ "$#" -gt 0 ] && echo "wpa_action: $@"
- ;;
- esac
- return
- fi
-
- case "$1" in
- "verbose")
- shift
- echo "$WPA_SUP_PNAME: $@" >$TO_NULL
- ;;
- "action")
- shift
- echo -n "$WPA_SUP_PNAME: $@ -- " >$TO_NULL
- ;;
- "stderr")
- shift
- echo "$WPA_SUP_PNAME: $@" >/dev/stderr
- ;;
- *)
- ;;
- esac
-}
-
-#####################################################################
-## validate daemon pid files
-# Test daemon process ID files via start-stop-daemon with a signal 0
-# given the exec binary and pidfile location.
-#
-# $1 daemon
-# $2 pidfile
-#
-# Returns true when pidfile exists, the process ID exists _and_ was
-# created by the exec binary.
-#
-# If the test fails, but the pidfile exists, it is stale
-#
-test_daemon_pidfile () {
- local DAEMON
- local PIDFILE
-
- if [ -n "$1" ]; then
- DAEMON="$1"
- fi
-
- if [ -f "$2" ]; then
- PIDFILE="$2"
- fi
-
- if [ -n "$DAEMON" ] && [ -f "$PIDFILE" ]; then
- if start-stop-daemon --stop --quiet --signal 0 \
- --exec "$DAEMON" --pidfile "$PIDFILE"; then
- return 0
- else
- rm -f "$PIDFILE"
- return 1
- fi
- else
- return 1
- fi
-}
-
-# validate wpa_supplicant pidfile
-test_wpa_supplicant () {
- test_daemon_pidfile "$WPA_SUP_BIN" "$WPA_SUP_PIDFILE"
-}
-
-# validate wpa_cli pidfile
-test_wpa_cli () {
- test_daemon_pidfile "$WPA_CLI_BIN" "$WPA_CLI_PIDFILE"
-}
-
-#####################################################################
-## daemonize wpa_supplicant
-# Start wpa_supplicant via start-stop-dameon with all required
-# options. Will start if environment variable WPA_SUP_CONF is present
-#
-# Default options:
-# -B dameonize/background process
-# -D driver backend ('wext' if none given)
-# -P process ID file
-# -C path to ctrl_interface socket directory
-# -s log to syslog
-#
-# Conditional options:
-# -c configuration file
-# -W wait for wpa_cli to attach to ctrl_interface socket
-# -b bridge interface name
-# -f path to log file
-#
-init_wpa_supplicant () {
- [ -n "$WPA_SUP_CONF" ] || return 0
-
- local WPA_SUP_OPTIONS
- WPA_SUP_OPTIONS="-s -B -P $WPA_SUP_PIDFILE -i $WPA_IFACE"
-
- if [ -n "$WPA_ACTION_SCRIPT" ]; then
- if [ -x "$WPA_ACTION_SCRIPT" ]; then
- WPA_SUP_OPTIONS="$WPA_SUP_OPTIONS -W"
- wpa_msg verbose "wait for wpa_cli to attach"
- else
- wpa_msg stderr "action script \"$WPA_ACTION_SCRIPT\" not executable"
- return 1
- fi
- fi
-
- if [ -n "$IF_WPA_BRIDGE" ]; then
- WPA_SUP_OPTIONS="$WPA_SUP_OPTIONS -b $IF_WPA_BRIDGE"
- wpa_msg verbose "wpa-bridge $IF_WPA_BRIDGE"
- fi
-
- if [ -n "$IF_WPA_DRIVER" ]; then
- wpa_msg verbose "wpa-driver $IF_WPA_DRIVER"
- case "$IF_WPA_DRIVER" in
- hostap|ipw|madwifi|ndiswrapper)
- WPA_SUP_OPTIONS="$WPA_SUP_OPTIONS -D nl80211,wext"
- wpa_msg stderr "\"$IF_WPA_DRIVER\" wpa-driver is unsupported"
- wpa_msg stderr "using \"nl80211,wext\" wpa-driver instead ..."
- ;;
- *)
- WPA_SUP_OPTIONS="$WPA_SUP_OPTIONS -D $IF_WPA_DRIVER"
- ;;
- esac
- else
- WPA_SUP_OPTIONS="$WPA_SUP_OPTIONS -D nl80211,wext"
- wpa_msg verbose "wpa-driver nl80211,wext (default)"
- fi
-
- if [ -n "$IF_WPA_DEBUG_LEVEL" ]; then
- case "$IF_WPA_DEBUG_LEVEL" in
- 3)
- WPA_SUP_OPTIONS="$WPA_SUP_OPTIONS -t -ddd"
- ;;
- 2)
- WPA_SUP_OPTIONS="$WPA_SUP_OPTIONS -t -dd"
- ;;
- 1)
- WPA_SUP_OPTIONS="$WPA_SUP_OPTIONS -t -d"
- ;;
- 0)
- # wpa_supplicant default verbosity
- ;;
- -1)
- WPA_SUP_OPTIONS="$WPA_SUP_OPTIONS -q"
- ;;
- -2)
- WPA_SUP_OPTIONS="$WPA_SUP_OPTIONS -qq"
- ;;
- esac
- wpa_msg verbose "using debug level: $IF_WPA_DEBUG_LEVEL"
- fi
-
- if [ -n "$IF_WPA_LOGFILE" ]; then
- # custom log file
- WPA_SUP_OPTIONS="$WPA_SUP_OPTIONS -f $IF_WPA_LOGFILE"
- WPA_SUP_LOGFILE="$IF_WPA_LOGFILE"
- wpa_msg verbose "logging to $IF_WPA_LOGFILE"
- fi
-
- wpa_msg verbose "$WPA_SUP_BIN $WPA_SUP_OPTIONS $WPA_SUP_CONF"
-
- start-stop-daemon --start --oknodo $DAEMON_VERBOSITY \
- --name $WPA_SUP_PNAME --startas $WPA_SUP_BIN --pidfile $WPA_SUP_PIDFILE \
- -- $WPA_SUP_OPTIONS $WPA_SUP_CONF
-
- if [ "$?" -ne 0 ]; then
- wpa_msg stderr "$WPA_SUP_BIN daemon failed to start"
- return 1
- fi
-
- if [ -n "$WPA_SUP_OMIT_PIDFILE" ]; then
- local WPA_PIDFILE_WAIT
- local MAX_WPA_PIDFILE_WAIT
- WPA_PIDFILE_WAIT="0"
- MAX_WPA_PIDFILE_WAIT="5"
- until [ -s "$WPA_SUP_PIDFILE" ]; do
- if [ "$WPA_PIDFILE_WAIT" -ge "$MAX_WPA_PIDFILE_WAIT" ]; then
- wpa_msg stderr "timed out waiting for creation of $WPA_SUP_PIDFILE"
- return 1
- else
- wpa_msg verbose "waiting for \"$WPA_SUP_PIDFILE\": " \
- "$WPA_PIDFILE_WAIT (max. $MAX_WPA_PIDFILE_WAIT)"
- fi
-
- WPA_PIDFILE_WAIT=$(($WPA_PIDFILE_WAIT + 1))
- sleep 1
- done
- wpa_msg verbose "creating sendsigs omission pidfile: $WPA_SUP_OMIT_PIDFILE"
- cat "$WPA_SUP_PIDFILE" > "$WPA_SUP_OMIT_PIDFILE"
- else
- wpa_msg verbose "sendsigs omission pidfile not created"
- fi
-
- local WPA_SOCKET_WAIT
- local MAX_WPA_SOCKET_WAIT
- WPA_SOCKET_WAIT="0"
- MAX_WPA_SOCKET_WAIT="5"
- until [ -S "$WPA_CTRL_DIR/$WPA_IFACE" ]; do
- if [ "$WPA_SOCKET_WAIT" -ge "$MAX_WPA_SOCKET_WAIT" ]; then
- wpa_msg stderr "ctrl_interface socket not found at $WPA_CTRL_DIR/$WPA_IFACE"
- return 1
- else
- wpa_msg verbose "waiting for \"$WPA_CTRL_DIR/$WPA_IFACE\": " \
- "$WPA_SOCKET_WAIT (max. $MAX_WPA_SOCKET_WAIT)"
- fi
-
- WPA_SOCKET_WAIT=$(($WPA_SOCKET_WAIT + 1))
- sleep 1
- done
-
- wpa_msg verbose "ctrl_interface socket located at $WPA_CTRL_DIR/$WPA_IFACE"
-}
-
-#####################################################################
-## stop wpa_supplicant process
-# Kill wpa_supplicant via start-stop-daemon, given the location of
-# the pidfile or ctrl_interface socket path and interface name
-#
-kill_wpa_supplicant () {
- test_wpa_supplicant || return 0
-
- wpa_msg verbose "terminating $WPA_SUP_PNAME daemon via pidfile $WPA_SUP_PIDFILE"
-
- start-stop-daemon --stop --oknodo $DAEMON_VERBOSITY \
- --exec $WPA_SUP_BIN --pidfile $WPA_SUP_PIDFILE
-
- if [ -f "$WPA_SUP_PIDFILE" ]; then
- rm -f "$WPA_SUP_PIDFILE"
- fi
-
- if [ -f "$WPA_SUP_OMIT_PIDFILE" ]; then
- wpa_msg verbose "removing $WPA_SUP_OMIT_PIDFILE"
- rm -f "$WPA_SUP_OMIT_PIDFILE"
- fi
-}
-
-#####################################################################
-## reload wpa_supplicant process
-# Sending a HUP signal causes wpa_supplicant to reparse its
-# configuration file
-#
-reload_wpa_supplicant () {
- if test_wpa_supplicant; then
- wpa_msg verbose "reloading wpa_supplicant configuration file via HUP signal"
- start-stop-daemon --stop --signal HUP \
- --name "$WPA_SUP_PNAME" --pidfile "$WPA_SUP_PIDFILE"
- else
- wpa_msg verbose "cannot $WPA_ACTION, $WPA_SUP_PIDFILE does not exist"
- fi
-}
-
-#####################################################################
-## daemonize wpa_cli and action script
-# If environment variable WPA_ACTION_SCRIPT is present, wpa_cli will
-# be spawned via start-stop-daemon
-#
-# Required options:
-# -a action script => wpa_action
-# -P process ID file
-# -B background process
-#
-init_wpa_cli () {
- [ -n "$WPA_ACTION_SCRIPT" ] || return 0
-
- local WPA_CLI_OPTIONS
- WPA_CLI_OPTIONS="-B -P $WPA_CLI_PIDFILE -i $WPA_IFACE"
-
- wpa_msg verbose "$WPA_CLI_BIN $WPA_CLI_OPTIONS -p $WPA_CTRL_DIR -a $WPA_ACTION_SCRIPT"
-
- start-stop-daemon --start --oknodo $DAEMON_VERBOSITY \
- --name $WPA_CLI_PNAME --startas $WPA_CLI_BIN --pidfile $WPA_CLI_PIDFILE \
- -- $WPA_CLI_OPTIONS -p $WPA_CTRL_DIR -a $WPA_ACTION_SCRIPT
-
- if [ "$?" -ne 0 ]; then
- wpa_msg stderr "$WPA_CLI_BIN daemon failed to start"
- return 1
- fi
-}
-
-#####################################################################
-## stop wpa_cli process
-# Kill wpa_cli via start-stop-daemon, given the location of the
-# pidfile
-#
-kill_wpa_cli () {
- test_wpa_cli || return 0
-
- wpa_msg verbose "terminating $WPA_CLI_PNAME daemon via pidfile $WPA_CLI_PIDFILE"
-
- start-stop-daemon --stop --oknodo $DAEMON_VERBOSITY \
- --exec $WPA_CLI_BIN --pidfile $WPA_CLI_PIDFILE
-
- if [ -f "$WPA_CLI_PIDFILE" ]; then
- rm -f "$WPA_CLI_PIDFILE"
- fi
-
- if [ -f "$WPA_CLI_TIMESTAMP" ]; then
- rm -f "$WPA_CLI_TIMESTAMP"
- fi
-
- if [ -L "$WPA_CLI_IFUPDOWN" ]; then
- rm -f "$WPA_CLI_IFUPDOWN"
- fi
-}
-
-#####################################################################
-## higher level wpa_cli wrapper for variable and set_network commands
-# wpa_cli_do <value> <type> <variable> [set_network variable] <desc>
-#
-# $1 envorinment variable
-# $2 data type of variable {raw|ascii}
-# $3 wpa_cli variable, if $3 is set_network, shift and take
-# set_network subvariable
-# $4 wpa-* string as it would appear in interfaces file, enhances
-# verbose messages
-#
-wpa_cli_do () {
- if [ -z "$1" ]; then
- return 0
- fi
-
- local WPACLISET_VALUE
- local WPACLISET_VARIABLE
- local WPACLISET_DESC
-
- case "$2" in
- ascii)
- # Double quote
- WPACLISET_VALUE="\"$1\""
- ;;
- raw|*)
- # Provide raw value
- WPACLISET_VALUE="$1"
- ;;
- esac
-
- case "$3" in
- set_network)
- if [ -z "$WPA_ID" ]; then
- return 1
- fi
- shift
- WPACLISET_VARIABLE="set_network $WPA_ID $3"
- ;;
- *)
- WPACLISET_VARIABLE="$3"
- ;;
- esac
-
- case "$4" in
- *-psk|*-passphrase|*-passwd*|*-wep-key*)
- WPACLISET_DESC="$4 *****"
- ;;
- *)
- WPACLISET_DESC="$4 $WPACLISET_VALUE"
- ;;
- esac
-
- wpa_msg action "$WPACLISET_DESC"
-
- wpa_cli $WPACLISET_VARIABLE "$WPACLISET_VALUE" >$TO_NULL
-
- if [ "$?" -ne 0 ]; then
- wpa_msg stderr "$WPACLISET_DESC failed!"
- fi
-}
-
-#####################################################################
-## check value data type in plaintext or hex
-# returns 0 if input consists of hexadecimal digits only, 1 otherwise
-#
-ishex () {
- if [ -z "$1" ]; then
- return 0
- fi
-
- case "$1" in
- *[!0-9a-fA-F]*)
- # plaintext
- return 1
- ;;
- *)
- # hexadecimal
- return 0
- ;;
- esac
-}
-
-#####################################################################
-## sanity check and set psk|passphrase
-# Warn about strange psk|passphrase values
-#
-# $1 psk or passphrase value
-#
-# If psk is surrounded by quotes strip them.
-#
-# If psk contains all hexadecimal characters and string length is 64:
-# is 256bit hexadecimal
-# else:
-# is plaintext
-#
-# plaintext passphrases must be 8 - 63 characters in length
-# 256-bit hexadecimal key must be 64 characters in length
-#
-wpa_key_check_and_set () {
- if [ "$#" -ne 3 ]; then
- return 0
- fi
-
- local KEY
- local KEY_LEN
- local KEY_TYPE
- local ENC_TYPE
-
- case "$1" in
- '"'*'"')
- # Strip surrounding quotation marks
- KEY=$(echo -n "$1" | sed 's/^"//;s/"$//')
- ;;
- *)
- KEY="$1"
- ;;
- esac
-
- KEY_LEN="${#KEY}"
-
- case "$2" in
- wep_key*)
- ENC_TYPE="WEP"
- ;;
- psk)
- ENC_TYPE="WPA"
- ;;
- *)
- return 0
- ;;
- esac
-
- if [ "$ENC_TYPE" = "WEP" ]; then
- if ishex "$KEY"; then
- case "$KEY_LEN" in
- 10|26|32|58)
- # 64/128/152/256-bit WEP
- KEY_TYPE="raw"
- ;;
- *)
- KEY_TYPE="ascii"
- ;;
- esac
- else
- KEY_TYPE="ascii"
- fi
-
- if [ "$KEY_TYPE" = "ascii" ]; then
- if [ "$KEY_LEN" -lt "5" ]; then
- wpa_msg stderr "WARNING: plaintext or ascii WEP key has $KEY_LEN characters,"
- wpa_msg stderr "it must have at least 5 to be valid."
- fi
- fi
- elif [ "$ENC_TYPE" = "WPA" ]; then
- if ishex "$KEY"; then
- case "$KEY_LEN" in
- 64)
- # 256-bit WPA
- KEY_TYPE="raw"
- ;;
- *)
- KEY_TYPE="ascii"
- ;;
- esac
- else
- KEY_TYPE="ascii"
- fi
-
- if [ "$KEY_TYPE" = "ascii" ]; then
- if [ "$KEY_LEN" -lt "8" ] || [ "$KEY_LEN" -gt "63" ]; then
- wpa_msg stderr "WARNING: plaintext or ascii WPA key has $KEY_LEN characters,"
- wpa_msg stderr "it must have between 8 and 63 to be valid."
- wpa_msg stderr "If the WPA key is a 256-bit hexadecimal key, it must have"
- wpa_msg stderr "exactly 64 characters."
- fi
- fi
- fi
-
- wpa_cli_do "$KEY" "$KEY_TYPE" set_network "$2" "$3"
-}
-
-#####################################################################
-## formulate a usable configuration from interfaces(5) wpa- lines
-# A series of wpa_cli commands corresponding to environment variables
-# created as a result of wpa- lines in an interfaces stanza.
-#
-# NB: no-act when roaming daemon is used (to avoid prematurely
-# attaching to ctrl_interface socket)
-#
-conf_wpa_supplicant () {
- if [ -n "$WPA_ACTION_SCRIPT" ]; then
- return 0
- fi
-
- if [ "$IF_WPA_DRIVER" = "wired" ]; then
- IF_WPA_AP_SCAN="0"
- wpa_msg verbose "forcing ap_scan=0 (required for wired IEEE8021X auth)"
- fi
-
- if [ -n "$IF_WPA_ESSID" ]; then
- # #403316, be similar to wireless tools
- IF_WPA_SSID="$IF_WPA_ESSID"
- fi
-
- wpa_cli_do "$IF_WPA_AP_SCAN" raw \
- ap_scan wpa-ap-scan
-
- wpa_cli_do "$IF_WPA_PREAUTHENTICATE" raw \
- preauthenticate wpa-preauthenticate
-
- if [ -n "$IF_WPA_SSID" ] || [ "$IF_WPA_DRIVER" = "wired" ] || \
- [ -n "$IF_WPA_KEY_MGMT" ]; then
-
- case "$IF_WPA_SSID" in
- '"'*'"')
- IF_WPA_SSID=$(echo -n "$IF_WPA_SSID" | sed 's/^"//;s/"$//')
- ;;
- *)
- ;;
- esac
-
- WPA_ID=$(wpa_cli add_network)
-
- wpa_msg verbose "configuring network block -- $WPA_ID"
-
- wpa_cli_do "$IF_WPA_SSID" ascii \
- set_network ssid wpa-ssid
-
- wpa_cli_do "$IF_WPA_PRIORITY" raw \
- set_network priority wpa-priority
-
- wpa_cli_do "$IF_WPA_BSSID" raw \
- set_network bssid wpa-bssid
-
- if [ -s "$IF_WPA_PSK_FILE" ]; then
- IF_WPA_PSK=$(cat "$IF_WPA_PSK_FILE")
- fi
-
- # remain compat with wpa-passphrase-file
- if [ -s "$IF_WPA_PASSPHRASE_FILE" ]; then
- IF_WPA_PSK=$(cat "$IF_WPA_PASSPHRASE_FILE")
- fi
-
- # remain compat with wpa-passphrase
- if [ -n "$IF_WPA_PASSPHRASE" ]; then
- IF_WPA_PSK="$IF_WPA_PASSPHRASE"
- fi
-
- if [ -n "$IF_WPA_PSK" ]; then
- wpa_key_check_and_set "$IF_WPA_PSK" \
- psk wpa-psk
- fi
-
- wpa_cli_do "$IF_WPA_PAIRWISE" raw \
- set_network pairwise wpa-pairwise
-
- wpa_cli_do "$IF_WPA_GROUP" raw \
- set_network group wpa-group
-
- wpa_cli_do "$IF_WPA_MODE" raw \
- set_network mode wpa-mode
-
- wpa_cli_do "$IF_WPA_FREQUENCY" raw \
- set_network frequency wpa-frequency
-
- wpa_cli_do "$IF_WPA_SCAN_FREQ" raw \
- set_network scan_freq wpa-scan-freq
-
- wpa_cli_do "$IF_WPA_FREQ_LIST" raw \
- set_network freq_list wpa-freq-list
-
- wpa_cli_do "$IF_WPA_KEY_MGMT" raw \
- set_network key_mgmt wpa-key-mgmt
-
- wpa_cli_do "$IF_WPA_PROTO" raw \
- set_network proto wpa-proto
-
- wpa_cli_do "$IF_WPA_AUTH_ALG" raw \
- set_network auth_alg wpa-auth-alg
-
- wpa_cli_do "$IF_WPA_SCAN_SSID" raw \
- set_network scan_ssid wpa-scan-ssid
-
- wpa_cli_do "$IF_WPA_IDENTITY" ascii \
- set_network identity wpa-identity
-
- wpa_cli_do "$IF_WPA_ANONYMOUS_IDENTITY" ascii \
- set_network anonymous_identity wpa-anonymous-identity
-
- wpa_cli_do "$IF_WPA_EAP" raw \
- set_network eap wpa-eap
-
- wpa_cli_do "$IF_WPA_EAPPSK" raw \
- set_network eappsk wpa-eappsk
-
- wpa_cli_do "$IF_WPA_NAI" ascii \
- set_network nai wpa-nai
-
- wpa_cli_do "$IF_WPA_PASSWORD" ascii \
- set_network password wpa-password
-
- wpa_cli_do "$IF_WPA_CA_CERT" ascii \
- set_network ca_cert wpa-ca-cert
-
- wpa_cli_do "$IF_WPA_CA_PATH" ascii \
- set_network ca_path wpa-ca-path
-
- wpa_cli_do "$IF_WPA_CLIENT_CERT" ascii \
- set_network client_cert wpa-client-cert
-
- wpa_cli_do "$IF_WPA_PRIVATE_KEY" ascii \
- set_network private_key wpa-private-key
-
- wpa_cli_do "$IF_WPA_PRIVATE_KEY_PASSWD" ascii \
- set_network private_key_passwd wpa-private-key-passwd
-
- wpa_cli_do "$IF_WPA_DH_FILE" ascii \
- set_network dh_file wpa-dh-file
-
- wpa_cli_do "$IF_WPA_SUBJECT_MATCH" ascii \
- set_network subject_match wpa-subject-match
-
- wpa_cli_do "$IF_WPA_ALTSUBJECT_MATCH" ascii \
- set_network altsubject_match wpa-altsubject-match
-
- wpa_cli_do "$IF_WPA_CA_CERT2" ascii \
- set_network ca_cert2 wpa-ca-cert2
-
- wpa_cli_do "$IF_WPA_CA_PATH2" ascii \
- set_network ca_path2 wpa-ca-path2
-
- wpa_cli_do "$IF_WPA_CLIENT_CERT2" ascii \
- set_network client_cert2 wpa-client-cert2
-
- wpa_cli_do "$IF_WPA_PRIVATE_KEY2" ascii \
- set_network private_key2 wpa-private-key2
-
- wpa_cli_do "$IF_WPA_PRIVATE_KEY_PASSWD2" ascii \
- set_network private_key_passwd2 wpa-private-key-passwd2
-
- wpa_cli_do "$IF_WPA_DH_FILE2" ascii \
- set_network dh_file2 wpa-dh-file2
-
- wpa_cli_do "$IF_WPA_SUBJECT_MATCH2" ascii \
- set_network subject_match2 wpa-subject-match2
-
- wpa_cli_do "$IF_WPA_ALTSUBJECT_MATCH2" ascii \
- set_network altsubject_match2 wpa-altsubject-match2
-
- wpa_cli_do "$IF_WPA_EAP_METHODS" raw \
- set_network eap_methods wpa-eap-methods
-
- wpa_cli_do "$IF_WPA_PHASE1" ascii \
- set_network phase1 wpa-phase1
-
- wpa_cli_do "$IF_WPA_PHASE2" ascii \
- set_network phase2 wpa-phase2
-
- wpa_cli_do "$IF_WPA_PCSC" raw \
- set_network pcsc wpa-pcsc
-
- wpa_cli_do "$IF_WPA_PIN" ascii \
- set_network pin wpa-pin
-
- wpa_cli_do "$IF_WPA_ENGINE" raw \
- set_network engine wpa-engine
-
- wpa_cli_do "$IF_WPA_ENGINE_ID" ascii \
- set_network engine_id wpa-engine-id
-
- wpa_cli_do "$IF_WPA_KEY_ID" ascii \
- set_network key_id wpa-key-id
-
- wpa_cli_do "$IF_WPA_EAPOL_FLAGS" raw \
- set_network eapol_flags wpa-eapol-flags
-
- if [ -n "$IF_WPA_WEP_KEY0" ]; then
- wpa_key_check_and_set "$IF_WPA_WEP_KEY0" \
- wep_key0 wpa-wep-key0
- fi
-
- if [ -n "$IF_WPA_WEP_KEY1" ]; then
- wpa_key_check_and_set "$IF_WPA_WEP_KEY1" \
- wep_key1 wpa-wep-key1
- fi
-
- if [ -n "$IF_WPA_WEP_KEY2" ]; then
- wpa_key_check_and_set "$IF_WPA_WEP_KEY2" \
- wep_key2 wpa-wep-key2
- fi
-
- if [ -n "$IF_WPA_WEP_KEY3" ]; then
- wpa_key_check_and_set "$IF_WPA_WEP_KEY3" \
- wep_key3 wpa-wep-key3
- fi
-
- wpa_cli_do "$IF_WPA_WEP_TX_KEYIDX" raw \
- set_network wep_tx_keyidx wpa-wep-tx-keyidx
-
- wpa_cli_do "$IF_WPA_PROACTIVE_KEY_CACHING" raw \
- set_network proactive_key_caching wpa-proactive-key-caching
-
- wpa_cli_do "$IF_WPA_PAC_FILE" ascii \
- set_network pac_file wpa-pac-file
-
- wpa_cli_do "$IF_WPA_PEERKEY" raw \
- set_network peerkey wpa-peerkey
-
- wpa_cli_do "$IF_FRAGMENT_SIZE" raw \
- set_network fragment_size wpa-fragment-size
-
- wpa_cli_do "$IF_WPA_ID_STR" ascii \
- set_network id_str wpa-id-str
-
- wpa_cli_do "$WPA_ID" raw \
- enable_network "enabling network block"
- fi
-}
-
-#####################################################################
-## Log wpa_cli environment variables
-wpa_log_env () {
- wpa_msg log "WPA_IFACE=$WPA_IFACE WPA_ACTION=$WPA_ACTION"
- wpa_msg log "WPA_ID=$WPA_ID WPA_ID_STR=$WPA_ID_STR WPA_CTRL_DIR=$WPA_CTRL_DIR"
-}
-
-#####################################################################
-## hysteresis checking
-# Networking tools such as dhcp clients used with ifupdown can
-# synthesize artificial ACTION events, particuarly just after a
-# DISCONNECTED/CONNECTED events are experienced in quick succession.
-# This can lead to infinite event loops, and in extreme cases has the
-# potential to cause system instability.
-#
-wpa_hysteresis_event () {
- echo "$(date +%s)" > "$WPA_CLI_TIMESTAMP" 2>/dev/null
-}
-
-wpa_hysteresis_check () {
- if [ -f "$WPA_CLI_TIMESTAMP" ]; then
- local TIME
- local TIMESTAMP
- local TIMEWAIT
- TIME=$(date +%s)
- # current time minus 4 second event buffer
- TIMEWAIT=$(($TIME-4))
- # get time of last event
- TIMESTAMP=$(cat $WPA_CLI_TIMESTAMP)
- # compare values, allowing new action to be processed
- # only if last action was more than 4 seconds ago
- if [ "$TIMEWAIT" -le "$TIMESTAMP" ]; then
- wpa_msg log "$WPA_ACTION event blocked by hysteresis check"
- return 1
- fi
- fi
-
- return 0
-}
-
-#####################################################################
-## ifupdown locking functions
-# A collection of rudimentary locking functions to lock ifup/ifdown
-# actions.
-#
-
-ifupdown_lock () {
- ln -s lock "$WPA_CLI_IFUPDOWN"
-}
-
-ifupdown_locked () {
- [ -L "$WPA_CLI_IFUPDOWN" ] && return 0
-
- return 1
-}
-
-ifupdown_unlock () {
- rm -f "$WPA_CLI_IFUPDOWN"
-}
-
-#####################################################################
-## apply mapping logic and ifup logical interface
-# Apply mapping logic via id_str or external mapping script, check
-# state of IFACE with respect to ifupdown and ifup logical interaface
-#
-ifup () {
- local INTERFACES_FILE
- local IFSTATE_FILE
- local IFUP_RETVAL
- local WPA_LOGICAL_IFACE
-
- if [ -e /etc/network/interfaces ]; then
- INTERFACES_FILE="/etc/network/interfaces"
- else
- wpa_msg log "/etc/network/interfaces does not exist, $WPA_IFACE will not be configured"
- return 1
- fi
-
- if [ -e /etc/network/run/ifstate ]; then
- # debian's ifupdown
- IFSTATE_FILE="/etc/network/run/ifstate"
- elif [ -e /var/run/network/ifstate ]; then
- # ubuntu's
- IFSTATE_FILE="/var/run/network/ifstate"
- else
- unset IFSTATE_FILE
- fi
-
- if [ -z "$IF_WPA_MAPPING_SCRIPT_PRIORITY" ] && [ -n "$WPA_ID_STR" ]; then
- WPA_LOGICAL_IFACE="$WPA_ID_STR"
- fi
-
- if [ -z "$WPA_LOGICAL_IFACE" ] && [ -n "$IF_WPA_MAPPING_SCRIPT" ]; then
- local WPA_MAP_STDIN
-
- WPA_MAP_STDIN=$(set | sed -n 's/^\(IF_WPA_MAP[0-9]*\)=.*/echo \$\1/p')
-
- if [ -n "$WPA_MAP_STDIN" ]; then
- WPA_LOGICAL_IFACE=$(eval "$WPA_MAP_STDIN" | "$IF_WPA_MAPPING_SCRIPT" "$WPA_IFACE")
- else
- WPA_LOGICAL_IFACE=$("$IF_WPA_MAPPING_SCRIPT" "$WPA_IFACE")
- fi
-
- if [ -n "$WPA_LOGICAL_IFACE" ]; then
- wpa_msg log "mapping script result: $WPA_LOGICAL_IFACE"
- else
- wpa_msg log "mapping script failed."
- fi
- fi
-
- if [ -z "$WPA_LOGICAL_IFACE" ]; then
- if [ -n "$IF_WPA_ROAM_DEFAULT_IFACE" ]; then
- WPA_LOGICAL_IFACE="$IF_WPA_ROAM_DEFAULT_IFACE"
- else
- WPA_LOGICAL_IFACE="default"
- fi
- fi
-
- if [ -n "$WPA_LOGICAL_IFACE" ]; then
- if egrep -q "^iface[[:space:]]+${WPA_LOGICAL_IFACE}[[:space:]]+inet" "$INTERFACES_FILE"; then
- : # logical network is defined
- else
- wpa_msg log "network settings not defined for $WPA_LOGICAL_IFACE in $INTERFACES_FILE"
- WPA_LOGICAL_IFACE="default"
- fi
-
- wpa_msg log "ifup $WPA_IFACE=$WPA_LOGICAL_IFACE"
-
- ifupdown_lock
-
- if [ -n "$IFSTATE_FILE" ] && grep -q "^$WPA_IFACE=$WPA_IFACE" "$IFSTATE_FILE"; then
- # Force settings over the unconfigured "master" IFACE
- /sbin/ifup -v --force "$WPA_IFACE=$WPA_LOGICAL_IFACE"
- else
- /sbin/ifup -v "$WPA_IFACE=$WPA_LOGICAL_IFACE"
- fi
- IFUP_RETVAL="$?"
-
- ifupdown_unlock
- fi
-
- wpa_msg log "creating sendsigs omission pidfile: $WPA_SUP_OMIT_PIDFILE"
- cat "$WPA_SUP_PIDFILE" > "$WPA_SUP_OMIT_PIDFILE"
-
- return "$IFUP_RETVAL"
-}
-
-#####################################################################
-## ifdown IFACE
-# Check IFACE state and ifdown as requested.
-#
-ifdown () {
- wpa_msg log "ifdown $WPA_IFACE"
-
- ifupdown_lock
-
- /sbin/ifdown -v "$WPA_IFACE"
-
- ifupdown_unlock
-
- wpa_msg log "removing sendsigs omission pidfile: $WPA_SUP_OMIT_PIDFILE"
- rm -f "$WPA_SUP_OMIT_PIDFILE"
-}
-
-#####################################################################
-## keep IFACE scanning
-# After ifdown, the IFACE may be left "down", and inhibits
-# wpa_supplicant's ability to continue roaming.
-#
-# NB: use iproute if present, flushing the IFACE first
-#
-if_post_down_up () {
- if [ -x /bin/ip ]; then
- ip addr flush dev "$WPA_IFACE" 2>/dev/null
- ip link set "$WPA_IFACE" up
- else
- ifconfig "$WPA_IFACE" up
- fi
-}