/mandos/release

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

« back to all changes in this revision

Viewing changes to network-hooks.d/wireless

  • Committer: Teddy Hogeborn
  • Date: 2012-06-06 19:08:17 UTC
  • mto: (237.7.144 trunk)
  • mto: This revision was merged to the branch mainline in revision 302.
  • Revision ID: teddy@recompile.se-20120606190817-c2x5o98vzn07xufd
* plugins.d/mandos-client.c: Refactoring.
  (uid, gid): New global variables.
  (raise_privileges, raise_privileges_permanently, lower_privileges,
  bring_up_interface): New functions.
  (main): Changed to use new functions.

Show diffs side-by-side

added added

removed removed

Lines of Context:
6
6
# configuration file(s) should be copied into the
7
7
# /etc/mandos/network-hooks.d directory.
8
8
 
9
# Copyright © 2012 Teddy Hogeborn
 
10
# Copyright © 2012 Björn Påhlsson
 
11
9
12
# Copying and distribution of this file, with or without modification,
10
13
# are permitted in any medium without royalty provided the copyright
11
14
# notice and this notice are preserved.  This file is offered as-is,
20
23
 
21
24
CONFIG="$MANDOSNETHOOKDIR/wireless.conf"
22
25
 
 
26
addrtoif(){
 
27
    grep -liFe "$1" /sys/class/net/*/address \
 
28
        | sed -e 's,.*/\([^/]*\)/[^/]*,\1,'
 
29
}
 
30
 
23
31
# Read config file
24
32
if [ -e "$CONFIG" ]; then
25
33
    . "$CONFIG"
27
35
    exit
28
36
fi
29
37
 
30
 
interfaces="`env|sed -n -e 's/^\(MODULE\|IPADDRS\|ROUTES\|WPA_DRIVER\)_\([^=]*\)=.*/\2/p' \"$CONFIG\" |sort -u`"
 
38
ifkeys=`sed -n -e 's/^ADDRESS_\([^=]*\)=.*/\1/p' "$CONFIG" | sort -u`
31
39
 
32
40
# Exit if DEVICE is set and is not any of the wireless interfaces
33
41
if [ -n "$DEVICE" ]; then
34
42
    while :; do
35
 
        for IF in $interfaces; do
36
 
            if [ "$IF" = "$DEVICE" ]; then
 
43
        for KEY in $ifkeys; do
 
44
            ADDRESS=`eval 'echo "$ADDRESS_'"$KEY"\"`
 
45
            INTERFACE=`addrtoif "$ADDRESS"`
 
46
            if [ "$INTERFACE" = "$DEVICE" ]; then
37
47
                break 2
38
48
            fi
39
49
        done
62
72
    WPAS_OPTIONS="-P$PIDFILE $WPAS_OPTIONS"
63
73
fi
64
74
 
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
 
75
do_start(){
 
76
    mkdir -m u=rwx,go= -p "$CTRLDIR"
 
77
    "$wpa_supplicant" -B -g "$CTRL" -p "$CTRLDIR" $WPAS_OPTIONS
 
78
    for KEY in $ifkeys; do
 
79
        ADDRESS=`eval 'echo "$ADDRESS_'"$KEY"\"`
 
80
        INTERFACE=`addrtoif "$ADDRESS"`
 
81
        DRIVER=`eval 'echo "$WPA_DRIVER_'"$KEY"\"`
 
82
        IFDELAY=`eval 'echo "$DELAY_'"$KEY"\"`
 
83
        "$wpa_cli" -g "$CTRL" interface_add "$INTERFACE" "" \
 
84
            "${DRIVER:-wext}" "$CTRLDIR" > /dev/null \
 
85
            | sed -e '/^OK$/d'
 
86
        NETWORK=`"$wpa_cli" -p "$CTRLDIR" -i "$INTERFACE" 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" status \
 
95
                | 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
 
 
130
do_stop(){
 
131
    "$wpa_cli" -g "$CTRL" terminate 2>&1 | sed -e '/^OK$/d'
 
132
    for KEY in $ifkeys; do
 
133
        ADDRESS=`eval 'echo "$ADDRESS_'"$KEY"\"`
 
134
        INTERFACE=`addrtoif "$ADDRESS"`
 
135
        "$ip" addr show scope global permanent dev "$INTERFACE" \
 
136
            | while read type addr rest; do
115
137
                case "$type" in
116
138
                    inet|inet6)
117
139
                        "$ip" addr del "$addr" dev "$INTERFACE"
118
140
                        ;;
119
141
                esac
120
142
            done
121
 
            "$ip" link set dev "$INTERFACE" down
122
 
        done
 
143
        "$ip" link set dev "$INTERFACE" down
 
144
    done
 
145
}
 
146
 
 
147
case "${MODE:-$1}" in
 
148
    start|stop)
 
149
        do_"${MODE:-$1}"
123
150
        ;;
124
151
    files)
125
152
        echo "$wpa_supplicant"