/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 Hogeborn
  • Date: 2012-01-15 16:10:09 UTC
  • Revision ID: teddy@recompile.se-20120115161009-i07il979zpc3lb3s
* network-hooks.d/bridge: Bug fixes: Ignore bridge interface when
                          looking up interface name by hw address.
                          Say we need "/sbin/brctl" even if it does
                          not exist.  Sleep only integer seconds.

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
# Copyright © 2012 Teddy Hogeborn
 
10
# Copyright © 2012 Björn Påhlsson
 
11
# 
 
12
# Copying and distribution of this file, with or without modification,
 
13
# are permitted in any medium without royalty provided the copyright
 
14
# notice and this notice are preserved.  This file is offered as-is,
 
15
# without any warranty.
 
16
 
 
17
set -e
 
18
 
 
19
RUNDIR="/run"
 
20
CTRL="$RUNDIR/wpa_supplicant-global"
 
21
CTRLDIR="$RUNDIR/wpa_supplicant"
 
22
PIDFILE="$RUNDIR/wpa_supplicant-mandos.pid"
 
23
 
 
24
CONFIG="$MANDOSNETHOOKDIR/wireless.conf"
 
25
 
 
26
addrtoif(){
 
27
    grep -liFe "$1" /sys/class/net/*/address \
 
28
        | sed -e 's,.*/\([^/]*\)/[^/]*,\1,'
 
29
}
 
30
 
 
31
# Read config file
 
32
if [ -e "$CONFIG" ]; then
 
33
    . "$CONFIG"
 
34
else
 
35
    exit
 
36
fi
 
37
 
 
38
ifkeys=`env | sed -n -e 's/^ADDRESS_\([^=]*\)=.*/\1/p' "$CONFIG" \
 
39
    | sort -u`
 
40
 
 
41
# Exit if DEVICE is set and is not any of the wireless interfaces
 
42
if [ -n "$DEVICE" ]; then
 
43
    while :; do
 
44
        for KEY in $ifkeys; do
 
45
            ADDRESS=`eval 'echo "$ADDRESS_'"$KEY"\"`
 
46
            INTERFACE=`addrtoif "$ADDRESS"`
 
47
            if [ "$INTERFACE" = "$DEVICE" ]; then
 
48
                break 2
 
49
            fi
 
50
        done
 
51
        exit
 
52
    done
 
53
fi
 
54
 
 
55
wpa_supplicant=/sbin/wpa_supplicant
 
56
wpa_cli=/sbin/wpa_cli
 
57
ip=/bin/ip
 
58
 
 
59
# Used by the wpa_interface_* functions in the wireless.conf file
 
60
wpa_cli_set(){
 
61
    case "$1" in
 
62
        ssid|psk) arg="\"$2\"" ;;
 
63
        *) arg="$2" ;;
 
64
    esac
 
65
    "$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" set_network "$NETWORK" \
 
66
        "$1" "$arg" 2>&1 | sed -e '/^OK$/d'
 
67
}
 
68
 
 
69
if [ $VERBOSITY -gt 0 ]; then
 
70
    WPAS_OPTIONS="-d $WPAS_OPTIONS"
 
71
fi
 
72
if [ -n "$PIDFILE" ]; then
 
73
    WPAS_OPTIONS="-P$PIDFILE $WPAS_OPTIONS"
 
74
fi
 
75
 
 
76
case "${MODE:-$1}" in
 
77
    start)
 
78
        mkdir -m u=rwx,go= -p "$CTRLDIR"
 
79
        "$wpa_supplicant" -B -g "$CTRL" -p "$CTRLDIR" $WPAS_OPTIONS
 
80
        for KEY in $ifkeys; do
 
81
            ADDRESS=`eval 'echo "$ADDRESS_'"$KEY"\"`
 
82
            INTERFACE=`addrtoif "$ADDRESS"`
 
83
            DRIVER=`eval 'echo "$WPA_DRIVER_'"$KEY"\"`
 
84
            IFDELAY=`eval 'echo "$DELAY_'"$KEY"\"`
 
85
            "$wpa_cli" -g "$CTRL" interface_add "$INTERFACE" "" \
 
86
                "${DRIVER:-wext}" "$CTRLDIR" > /dev/null \
 
87
                | sed -e '/^OK$/d'
 
88
            NETWORK=`"$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" \
 
89
                add_network`
 
90
            eval wpa_interface_"$KEY"
 
91
            "$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" enable_network \
 
92
                "$NETWORK" | sed -e '/^OK$/d'
 
93
            sleep "${IFDELAY:-$DELAY}" &
 
94
            sleep=$!
 
95
            while :; do
 
96
                kill -0 $sleep 2>/dev/null || break
 
97
                STATE=`"$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" \
 
98
                    status | sed -n -e 's/^wpa_state=//p'`
 
99
                if [ "$STATE" = COMPLETED ]; then
 
100
                    while :; do
 
101
                        kill -0 $sleep 2>/dev/null || break 2
 
102
                        UP=`cat /sys/class/net/"$INTERFACE"/operstate`
 
103
                        if [ "$UP" = up ]; then
 
104
                            kill $sleep 2>/dev/null
 
105
                            break 2
 
106
                        fi
 
107
                        sleep 1
 
108
                    done
 
109
                fi
 
110
                sleep 1
 
111
            done &
 
112
            wait $sleep || :
 
113
            IPADDRS=`eval 'echo "$IPADDRS_'"$KEY"\"`
 
114
            if [ -n "$IPADDRS" ]; then
 
115
                if [ "$IPADDRS" = dhcp ]; then
 
116
                    ipconfig -c dhcp -d "$INTERFACE" || :
 
117
                    #dhclient "$INTERFACE"
 
118
                else
 
119
                    for ipaddr in $IPADDRS; do
 
120
                        "$ip" addr add "$ipaddr" dev "$INTERFACE"
 
121
                    done
 
122
                fi
 
123
            fi
 
124
            ROUTES=`eval 'echo "$ROUTES_'"$KEY"\"`
 
125
            if [ -n "$ROUTES" ]; then
 
126
                for route in $ROUTES; do
 
127
                    "$ip" route add "$route" dev "$BRIDGE"
 
128
                done
 
129
            fi
 
130
        done
 
131
        ;;
 
132
    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
    files)
 
149
        echo "$wpa_supplicant"
 
150
        echo "$wpa_cli"
 
151
        echo "$ip"
 
152
        ;;
 
153
    modules)
 
154
        if [ "$IPADDRS" = dhcp ]; then
 
155
            echo af_packet
 
156
        fi
 
157
        sed -n -e 's/#.*$//' -e 's/[    ]*$//' \
 
158
            -e 's/^MODULE_[^=]\+=//p' "$CONFIG"
 
159
        ;;
 
160
esac