/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: 2009-09-17 03:21:20 UTC
  • Revision ID: teddy@fukt.bsnet.se-20090917032120-b4svwsceox2vx38q
* plugins.d/mandos-client.c (start_mandos_communication): Bug fix:
                                                          always free
                                                          "decrypted_buffer".
                                                          Default to
                                                          fail unless
                                                          success is
                                                          achieved.

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=`sed -n -e 's/^ADDRESS_\([^=]*\)=.*/\1/p' "$CONFIG" | sort -u`
39
 
 
40
 
# Exit if DEVICE is set and is not any of the wireless interfaces
41
 
if [ -n "$DEVICE" ]; then
42
 
    while :; do
43
 
        for KEY in $ifkeys; do
44
 
            ADDRESS=`eval 'echo "$ADDRESS_'"$KEY"\"`
45
 
            INTERFACE=`addrtoif "$ADDRESS"`
46
 
            
47
 
            case "$DEVICE" in
48
 
                *,"$INTERFACE"|*,"$INTERFACE",*|"$INTERFACE",*|"$INTERFACE")
49
 
                    break 2;;
50
 
            esac
51
 
        done
52
 
        exit
53
 
    done
54
 
fi
55
 
 
56
 
wpa_supplicant=/sbin/wpa_supplicant
57
 
wpa_cli=/sbin/wpa_cli
58
 
ip=/bin/ip
59
 
 
60
 
# Used by the wpa_interface_* functions in the wireless.conf file
61
 
wpa_cli_set(){
62
 
    case "$1" in
63
 
        ssid|psk) arg="\"$2\"" ;;
64
 
        *) arg="$2" ;;
65
 
    esac
66
 
    "$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" set_network "$NETWORK" \
67
 
        "$1" "$arg" 2>&1 | sed -e '/^OK$/d'
68
 
}
69
 
 
70
 
if [ $VERBOSITY -gt 0 ]; then
71
 
    WPAS_OPTIONS="-d $WPAS_OPTIONS"
72
 
fi
73
 
if [ -n "$PIDFILE" ]; then
74
 
    WPAS_OPTIONS="-P$PIDFILE $WPAS_OPTIONS"
75
 
fi
76
 
 
77
 
do_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" add_network`
89
 
        eval wpa_interface_"$KEY"
90
 
        "$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" enable_network \
91
 
            "$NETWORK" | sed -e '/^OK$/d'
92
 
        sleep "${IFDELAY:-$DELAY}" &
93
 
        sleep=$!
94
 
        while :; do
95
 
            kill -0 $sleep 2>/dev/null || break
96
 
            STATE=`"$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" status \
97
 
                | sed -n -e 's/^wpa_state=//p'`
98
 
            if [ "$STATE" = COMPLETED ]; then
99
 
                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