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Viewing changes to network-hooks.d/wireless

  • Committer: Teddy Hogeborn
  • Date: 2009-04-17 08:26:17 UTC
  • Revision ID: teddy@fukt.bsnet.se-20090417082617-eltetak5lzjyz55o
* initramfs-tools-hook: Bug fix: Add "--userid" and "--groupid" to
                        start of "plugin-runner.conf" file instead of
                        appending, to allow any preexisting options to
                        override.
* plugin-runner.conf: Improved wording.

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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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# Copyright © 2012-2018 Teddy Hogeborn
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# Copyright © 2012-2018 Björn Påhlsson
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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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17
 
set -e
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19
 
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 \
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        | 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=`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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            case "$DEVICE" in
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                *,"$INTERFACE"|*,"$INTERFACE",*|"$INTERFACE",*|"$INTERFACE")
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                    break 2;;
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            esac
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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 $WPAS_OPTIONS"
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fi
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do_start(){
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    mkdir -m u=rwx,go= -p "$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}" &
93
 
        sleep=$!
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        while :; do
95
 
            kill -0 $sleep 2>/dev/null || break
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            STATE=`"$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" status \
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                | sed -n -e 's/^wpa_state=//p'`
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            if [ "$STATE" = COMPLETED ]; then
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                while :; do
100
 
                    kill -0 $sleep 2>/dev/null || break 2
101
 
                    UP=`cat /sys/class/net/"$INTERFACE"/operstate`
102
 
                    if [ "$UP" = up ]; then
103
 
                        kill $sleep 2>/dev/null
104
 
                        break 2
105
 
                    fi
106
 
                    sleep 1
107
 
                done
108
 
            fi
109
 
            sleep 1
110
 
        done &
111
 
        wait $sleep || :
112
 
        IPADDRS=`eval 'echo "$IPADDRS_'"$KEY"\"`
113
 
        if [ -n "$IPADDRS" ]; then
114
 
            if [ "$IPADDRS" = dhcp ]; then
115
 
                ipconfig -c dhcp -d "$INTERFACE" || :
116
 
                #dhclient "$INTERFACE"
117
 
            else
118
 
                for ipaddr in $IPADDRS; do
119
 
                    "$ip" addr add "$ipaddr" dev "$INTERFACE"
120
 
                done
121
 
            fi
122
 
        fi
123
 
        ROUTES=`eval 'echo "$ROUTES_'"$KEY"\"`
124
 
        if [ -n "$ROUTES" ]; then
125
 
            for route in $ROUTES; do
126
 
                "$ip" route add "$route" dev "$INTERFACE"
127
 
            done
128
 
        fi
129
 
    done
130
 
}
131
 
 
132
 
do_stop(){
133
 
    "$wpa_cli" -g "$CTRL" terminate 2>&1 | sed -e '/^OK$/d'
134
 
    for KEY in $ifkeys; do
135
 
        ADDRESS=`eval 'echo "$ADDRESS_'"$KEY"\"`
136
 
        INTERFACE=`addrtoif "$ADDRESS"`
137
 
        "$ip" addr show scope global permanent dev "$INTERFACE" \
138
 
            | while read type addr rest; do
139
 
                case "$type" in
140
 
                    inet|inet6)
141
 
                        "$ip" addr del "$addr" dev "$INTERFACE"
142
 
                        ;;
143
 
                esac
144
 
            done
145
 
        "$ip" link set dev "$INTERFACE" down
146
 
    done
147
 
}
148
 
 
149
 
case "${MODE:-$1}" in
150
 
    start|stop)
151
 
        do_"${MODE:-$1}"
152
 
        ;;
153
 
    files)
154
 
        echo "$wpa_supplicant"
155
 
        echo "$wpa_cli"
156
 
        echo "$ip"
157
 
        ;;
158
 
    modules)
159
 
        if [ "$IPADDRS" = dhcp ]; then
160
 
            echo af_packet
161
 
        fi
162
 
        sed -n -e 's/#.*$//' -e 's/[    ]*$//' \
163
 
            -e 's/^MODULE_[^=]\+=//p' "$CONFIG"
164
 
        ;;
165
 
esac