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Viewing changes to network-hooks.d/wireless

  • Committer: Teddy Hogeborn
  • Date: 2009-02-07 04:50:39 UTC
  • Revision ID: teddy@fukt.bsnet.se-20090207045039-xkr6b80vtqwqrq8l
* Makefile (install-client-nokey): Move "initramfs-tools-script" from
                                   "/scripts/local-top/mandos" to
                                   "/scripts/init-premount/mandos".
  (uninstall-client): - '' -
* debian/mandos-client.dirs: - '' -
* initramfs-tools-script (PREREQ): Added "udev".

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network-hooks.d/wireless
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#!/bin/sh
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#
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# This is an example of a Mandos client network hook.  This hook
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# brings up a wireless interface as specified in a separate
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# configuration file.  To be used, this file and any needed
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# configuration file(s) should be copied into the
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# /etc/mandos/network-hooks.d directory.
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# 
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# Copying and distribution of this file, with or without modification,
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# are permitted in any medium without royalty provided the copyright
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# notice and this notice are preserved.  This file is offered as-is,
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# without any warranty.
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set -e
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RUNDIR="/run"
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CTRL="$RUNDIR/wpa_supplicant-global"
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CTRLDIR="$RUNDIR/wpa_supplicant"
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PIDFILE="$RUNDIR/wpa_supplicant-mandos.pid"
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CONFIG="$MANDOSNETHOOKDIR/wireless.conf"
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addrtoif(){
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    grep -liFe "$1" /sys/class/net/*/address | sed -e 's,.*/\([^/]*\)/[^/]*,\1,'
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}
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# Read config file
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if [ -e "$CONFIG" ]; then
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    . "$CONFIG"
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else
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    exit
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fi
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ifkeys="`env | sed -n -e 's/^ADDRESS_\([^=]*\)=.*/\1/p' \"$CONFIG\" | sort -u`"
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# Exit if DEVICE is set and is not any of the wireless interfaces
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if [ -n "$DEVICE" ]; then
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    while :; do
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        for KEY in $ifkeys; do
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            ADDRESS=`eval 'echo "$ADDRESS_'"$KEY"\"`
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            INTERFACE=`addrtoif "$ADDRESS"`
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            if [ "$INTERFACE" = "$DEVICE" ]; then
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                break 2
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            fi
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        done
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        exit
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    done
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fi
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wpa_supplicant=/sbin/wpa_supplicant
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wpa_cli=/sbin/wpa_cli
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ip=/bin/ip
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# Used by the wpa_interface_* functions in the wireless.conf file
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wpa_cli_set(){
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    case "$1" in
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        ssid|psk) arg="\"$2\"" ;;
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        *) arg="$2" ;;
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    esac
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    "$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" set_network "$NETWORK" \
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        "$1" "$arg" 2>&1 | sed -e '/^OK$/d'
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}
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if [ $VERBOSITY -gt 0 ]; then
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    WPAS_OPTIONS="-d $WPAS_OPTIONS"
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fi
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if [ -n "$PIDFILE" ]; then
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    WPAS_OPTIONS="-P$PIDFILE $WPAS_OPTIONS"
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fi
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case "${MODE:-$1}" in
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    start)
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        mkdir -m u=rwx,go= -p "$CTRLDIR"
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        "$wpa_supplicant" -B -g "$CTRL" -p "$CTRLDIR" $WPAS_OPTIONS
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        for KEY in $ifkeys; do
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            ADDRESS=`eval 'echo "$ADDRESS_'"$KEY"\"`
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            INTERFACE=`addrtoif "$ADDRESS"`
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            DRIVER=`eval 'echo "$WPA_DRIVER_'"$KEY"\"`
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            IFDELAY=`eval 'echo "$DELAY_'"$KEY"\"`
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            "$wpa_cli" -g "$CTRL" interface_add "$INTERFACE" "" \
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                "${DRIVER:-wext}" "$CTRLDIR" > /dev/null \
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                | sed -e '/^OK$/d'
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            NETWORK=`"$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" add_network`
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            eval wpa_interface_"$KEY"
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            "$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" enable_network \
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                "$NETWORK" | sed -e '/^OK$/d'
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            sleep "${IFDELAY:-$DELAY}" &
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            sleep=$!
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            while :; do
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                kill -0 $sleep 2>/dev/null || break
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                STATE=`"$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" status | sed -n -e 's/^wpa_state=//p'`
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                if [ "$STATE" = COMPLETED ]; then
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                    while :; do
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                        kill -0 $sleep 2>/dev/null || break 2
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                        UP=`cat /sys/class/net/"$INTERFACE"/operstate`
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                        if [ "$UP" = up ]; then
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                            kill $sleep 2>/dev/null
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                            break 2
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                        fi
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                        sleep 1
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                    done
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                fi
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                sleep 1
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            done &
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            wait $sleep || :
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            IPADDRS=`eval 'echo "$IPADDRS_'"$KEY"\"`
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            if [ -n "$IPADDRS" ]; then
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                if [ "$IPADDRS" = dhcp ]; then
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                    ipconfig -c dhcp -d "$INTERFACE" || :
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                    #dhclient "$INTERFACE"
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                else
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                    for ipaddr in $IPADDRS; do
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                        "$ip" addr add "$ipaddr" dev "$INTERFACE"
114
 
                    done
115
 
                fi
116
 
            fi
117
 
            ROUTES=`eval 'echo "$ROUTES_'"$KEY"\"`
118
 
            if [ -n "$ROUTES" ]; then
119
 
                for route in $ROUTES; do
120
 
                    "$ip" route add "$route" dev "$BRIDGE"
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                done
122
 
            fi
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        done
124
 
        ;;
125
 
    stop)
126
 
        "$wpa_cli" -g "$CTRL" terminate 2>&1 | sed -e '/^OK$/d'
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        for KEY in $ifkeys; do
128
 
            ADDRESS=`eval 'echo "$ADDRESS_'"$KEY"\"`
129
 
            INTERFACE=`addrtoif "$ADDRESS"`
130
 
            "$ip" addr show scope global permanent dev "$INTERFACE" \
131
 
                | while read type addr rest; do
132
 
                case "$type" in
133
 
                    inet|inet6)
134
 
                        "$ip" addr del "$addr" dev "$INTERFACE"
135
 
                        ;;
136
 
                esac
137
 
            done
138
 
            "$ip" link set dev "$INTERFACE" down
139
 
        done
140
 
        ;;
141
 
    files)
142
 
        echo "$wpa_supplicant"
143
 
        echo "$wpa_cli"
144
 
        echo "$ip"
145
 
        ;;
146
 
    modules)
147
 
        if [ "$IPADDRS" = dhcp ]; then
148
 
            echo af_packet
149
 
        fi
150
 
        sed -n -e 's/#.*$//' -e 's/[    ]*$//' \
151
 
            -e 's/^MODULE_[^=]\+=//p' "$CONFIG"
152
 
        ;;
153
 
esac