/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: 2011-12-30 18:48:49 UTC
  • mto: This revision was merged to the branch mainline in revision 541.
  • Revision ID: teddy@recompile.se-20111230184849-fvec587apz6j54pn
* plugins.d/mandos-client.c (run_network_hooks): Bug fix: setenv()
                                                 takes three
                                                 arguments.

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
# Read config file
 
24
if [ -e "$CONFIG" ]; then
 
25
    . "$CONFIG"
 
26
else
 
27
    exit
 
28
fi
 
29
 
 
30
interfaces="`env|sed -n -e 's/^\(MODULE\|IPADDRS\|ROUTES\|WPA_DRIVER\)_\([^=]*\)=.*/\2/p' \"$CONFIG\" |sort -u`"
 
31
 
 
32
# Exit if DEVICE is set and is not any of the wireless interfaces
 
33
if [ -n "$DEVICE" ]; then
 
34
    while :; do
 
35
        for IF in $interfaces; do
 
36
            if [ "$IF" = "$DEVICE" ]; then
 
37
                break 2
 
38
            fi
 
39
        done
 
40
        exit
 
41
    done
 
42
fi
 
43
 
 
44
wpa_supplicant=/sbin/wpa_supplicant
 
45
wpa_cli=/sbin/wpa_cli
 
46
ip=/bin/ip
 
47
 
 
48
# Used by the wpa_interface_* functions in the wireless.conf file
 
49
wpa_cli_set(){
 
50
    case "$1" in
 
51
        ssid|psk) arg="\"$2\"" ;;
 
52
        *) arg="$2" ;;
 
53
    esac
 
54
    "$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" set_network "$NETWORK" \
 
55
        "$1" "$arg" 2>&1 | sed -e '/^OK$/d'
 
56
}
 
57
 
 
58
if [ $VERBOSITY -gt 0 ]; then
 
59
    WPAS_OPTIONS="-d $WPAS_OPTIONS"
 
60
fi
 
61
if [ -n "$PIDFILE" ]; then
 
62
    WPAS_OPTIONS="-P$PIDFILE $WPAS_OPTIONS"
 
63
fi
 
64
 
 
65
case "${MODE:-$1}" in
 
66
    start)
 
67
        mkdir -m u=rwx,go= -p "$CTRLDIR"
 
68
        "$wpa_supplicant" -B -g "$CTRL" -p "$CTRLDIR" $WPAS_OPTIONS
 
69
        for INTERFACE in $interfaces; do
 
70
            DRIVER=`eval 'echo "$WPA_DRIVER_'"$INTERFACE"\"`
 
71
            IFDELAY=`eval 'echo "$DELAY_'"$INTERFACE"\"`
 
72
            "$wpa_cli" -g "$CTRL" interface_add "$INTERFACE" "" \
 
73
                "${DRIVER:-wext}" "$CTRLDIR" > /dev/null \
 
74
                | sed -e '/^OK$/d'
 
75
            NETWORK=`"$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" add_network`
 
76
            eval wpa_interface_"$INTERFACE"
 
77
            "$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" enable_network \
 
78
                "$NETWORK" | sed -e '/^OK$/d'
 
79
            sleep "${IFDELAY:-$DELAY}" &
 
80
            sleep=$!
 
81
            while :; do
 
82
                kill -0 $sleep 2>/dev/null || break
 
83
                STATE=`"$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" status | sed -n -e 's/^wpa_state=//p'`
 
84
                if [ "$STATE" = COMPLETED ]; then
 
85
                    kill $sleep 2>/dev/null
 
86
                    break
 
87
                fi
 
88
                sleep 1
 
89
            done &
 
90
            wait $sleep || :
 
91
            IPADDRS=`eval 'echo "$IPADDRS_'"$INTERFACE"\"`
 
92
            if [ -n "$IPADDRS" ]; then
 
93
                if [ "$IPADDRS" = dhcp ]; then
 
94
                    ipconfig -c dhcp -d "$INTERFACE" || :
 
95
                    #dhclient "$INTERFACE"
 
96
                else
 
97
                    for ipaddr in $IPADDRS; do
 
98
                        "$ip" addr add "$ipaddr" dev "$INTERFACE"
 
99
                    done
 
100
                fi
 
101
            fi
 
102
            ROUTES=`eval 'echo "$ROUTES_'"$INTERFACE"\"`
 
103
            if [ -n "$ROUTES" ]; then
 
104
                for route in $ROUTES; do
 
105
                    "$ip" route add "$route" dev "$BRIDGE"
 
106
                done
 
107
            fi
 
108
        done
 
109
        ;;
 
110
    stop)
 
111
        "$wpa_cli" -g "$CTRL" terminate 2>&1 | sed -e '/^OK$/d'
 
112
        for INTERFACE in $interfaces; do
 
113
            "$ip" addr show scope global permanent dev "$INTERFACE" \
 
114
                | while read type addr rest; do
 
115
                case "$type" in
 
116
                    inet|inet6)
 
117
                        "$ip" addr del "$addr" dev "$INTERFACE"
 
118
                        ;;
 
119
                esac
 
120
            done
 
121
            "$ip" link set dev "$INTERFACE" down
 
122
        done
 
123
        ;;
 
124
    files)
 
125
        echo "$wpa_supplicant"
 
126
        echo "$wpa_cli"
 
127
        echo "$ip"
 
128
        ;;
 
129
    modules)
 
130
        if [ "$IPADDRS" = dhcp ]; then
 
131
            echo af_packet
 
132
        fi
 
133
        sed -n -e 's/#.*$//' -e 's/[    ]*$//' \
 
134
            -e 's/^MODULE_[^=]\+=//p' "$CONFIG"
 
135
        ;;
 
136
esac