/mandos/trunk

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/trunk

« back to all changes in this revision

Viewing changes to network-hooks.d/wireless

  • Committer: teddy at bsnet
  • Date: 2010-09-27 17:53:53 UTC
  • Revision ID: teddy@fukt.bsnet.se-20100927175353-skms2ds4cjswpf4t
* debian/mandos-client.README.Debian: Remove warning about --connect
                                      not looping, since it now does.

Show diffs side-by-side

added added

removed removed

Lines of Context:
network-hooks.d/wireless
1
 
#!/bin/sh
2
 
#
3
 
# This is an example of a Mandos client network hook.  This hook
4
 
# brings up a wireless interface as specified in a separate
5
 
# configuration file.  To be used, this file and any needed
6
 
# configuration file(s) should be copied into the
7
 
# /etc/mandos/network-hooks.d directory.
8
 
# 
9
 
# Copying and distribution of this file, with or without modification,
10
 
# are permitted in any medium without royalty provided the copyright
11
 
# notice and this notice are preserved.  This file is offered as-is,
12
 
# without any warranty.
13
 
 
14
 
set -e
15
 
 
16
 
RUNDIR="/run"
17
 
CTRL="$RUNDIR/wpa_supplicant-global"
18
 
CTRLDIR="$RUNDIR/wpa_supplicant"
19
 
PIDFILE="$RUNDIR/wpa_supplicant-mandos.pid"
20
 
 
21
 
CONFIG="$MANDOSNETHOOKDIR/wireless.conf"
22
 
 
23
 
addrtoif(){
24
 
    grep -liFe "$1" /sys/class/net/*/address \
25
 
        | sed -e 's,.*/\([^/]*\)/[^/]*,\1,'
26
 
}
27
 
 
28
 
# Read config file
29
 
if [ -e "$CONFIG" ]; then
30
 
    . "$CONFIG"
31
 
else
32
 
    exit
33
 
fi
34
 
 
35
 
ifkeys=`env | sed -n -e 's/^ADDRESS_\([^=]*\)=.*/\1/p' "$CONFIG" \
36
 
    | sort -u`
37
 
 
38
 
# Exit if DEVICE is set and is not any of the wireless interfaces
39
 
if [ -n "$DEVICE" ]; then
40
 
    while :; do
41
 
        for KEY in $ifkeys; do
42
 
            ADDRESS=`eval 'echo "$ADDRESS_'"$KEY"\"`
43
 
            INTERFACE=`addrtoif "$ADDRESS"`
44
 
            if [ "$INTERFACE" = "$DEVICE" ]; then
45
 
                break 2
46
 
            fi
47
 
        done
48
 
        exit
49
 
    done
50
 
fi
51
 
 
52
 
wpa_supplicant=/sbin/wpa_supplicant
53
 
wpa_cli=/sbin/wpa_cli
54
 
ip=/bin/ip
55
 
 
56
 
# Used by the wpa_interface_* functions in the wireless.conf file
57
 
wpa_cli_set(){
58
 
    case "$1" in
59
 
        ssid|psk) arg="\"$2\"" ;;
60
 
        *) arg="$2" ;;
61
 
    esac
62
 
    "$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" set_network "$NETWORK" \
63
 
        "$1" "$arg" 2>&1 | sed -e '/^OK$/d'
64
 
}
65
 
 
66
 
if [ $VERBOSITY -gt 0 ]; then
67
 
    WPAS_OPTIONS="-d $WPAS_OPTIONS"
68
 
fi
69
 
if [ -n "$PIDFILE" ]; then
70
 
    WPAS_OPTIONS="-P$PIDFILE $WPAS_OPTIONS"
71
 
fi
72
 
 
73
 
case "${MODE:-$1}" in
74
 
    start)
75
 
        mkdir -m u=rwx,go= -p "$CTRLDIR"
76
 
        "$wpa_supplicant" -B -g "$CTRL" -p "$CTRLDIR" $WPAS_OPTIONS
77
 
        for KEY in $ifkeys; do
78
 
            ADDRESS=`eval 'echo "$ADDRESS_'"$KEY"\"`
79
 
            INTERFACE=`addrtoif "$ADDRESS"`
80
 
            DRIVER=`eval 'echo "$WPA_DRIVER_'"$KEY"\"`
81
 
            IFDELAY=`eval 'echo "$DELAY_'"$KEY"\"`
82
 
            "$wpa_cli" -g "$CTRL" interface_add "$INTERFACE" "" \
83
 
                "${DRIVER:-wext}" "$CTRLDIR" > /dev/null \
84
 
                | sed -e '/^OK$/d'
85
 
            NETWORK=`"$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" \
86
 
                add_network`
87
 
            eval wpa_interface_"$KEY"
88
 
            "$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" enable_network \
89
 
                "$NETWORK" | sed -e '/^OK$/d'
90
 
            sleep "${IFDELAY:-$DELAY}" &
91
 
            sleep=$!
92
 
            while :; do
93
 
                kill -0 $sleep 2>/dev/null || break
94
 
                STATE=`"$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" \
95
 
                    status | sed -n -e 's/^wpa_state=//p'`
96
 
                if [ "$STATE" = COMPLETED ]; then
97
 
                    while :; do
98
 
                        kill -0 $sleep 2>/dev/null || break 2
99
 
                        UP=`cat /sys/class/net/"$INTERFACE"/operstate`
100
 
                        if [ "$UP" = up ]; then
101
 
                            kill $sleep 2>/dev/null
102
 
                            break 2
103
 
                        fi
104
 
                        sleep 1
105
 
                    done
106
 
                fi
107
 
                sleep 1
108
 
            done &
109
 
            wait $sleep || :
110
 
            IPADDRS=`eval 'echo "$IPADDRS_'"$KEY"\"`
111
 
            if [ -n "$IPADDRS" ]; then
112
 
                if [ "$IPADDRS" = dhcp ]; then
113
 
                    ipconfig -c dhcp -d "$INTERFACE" || :
114
 
                    #dhclient "$INTERFACE"
115
 
                else
116
 
                    for ipaddr in $IPADDRS; do
117
 
                        "$ip" addr add "$ipaddr" dev "$INTERFACE"
118
 
                    done
119
 
                fi
120
 
            fi
121
 
            ROUTES=`eval 'echo "$ROUTES_'"$KEY"\"`
122
 
            if [ -n "$ROUTES" ]; then
123
 
                for route in $ROUTES; do
124
 
                    "$ip" route add "$route" dev "$BRIDGE"
125
 
                done
126
 
            fi
127
 
        done
128
 
        ;;
129
 
    stop)
130
 
        "$wpa_cli" -g "$CTRL" terminate 2>&1 | sed -e '/^OK$/d'
131
 
        for KEY in $ifkeys; do
132
 
            ADDRESS=`eval 'echo "$ADDRESS_'"$KEY"\"`
133
 
            INTERFACE=`addrtoif "$ADDRESS"`
134
 
            "$ip" addr show scope global permanent dev "$INTERFACE" \
135
 
                | while read type addr rest; do
136
 
                case "$type" in
137
 
                    inet|inet6)
138
 
                        "$ip" addr del "$addr" dev "$INTERFACE"
139
 
                        ;;
140
 
                esac
141
 
            done
142
 
            "$ip" link set dev "$INTERFACE" down
143
 
        done
144
 
        ;;
145
 
    files)
146
 
        echo "$wpa_supplicant"
147
 
        echo "$wpa_cli"
148
 
        echo "$ip"
149
 
        ;;
150
 
    modules)
151
 
        if [ "$IPADDRS" = dhcp ]; then
152
 
            echo af_packet
153
 
        fi
154
 
        sed -n -e 's/#.*$//' -e 's/[    ]*$//' \
155
 
            -e 's/^MODULE_[^=]\+=//p' "$CONFIG"
156
 
        ;;
157
 
esac