/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/bridge

  • Committer: teddy at recompile
  • Date: 2011-12-31 14:05:57 UTC
  • mto: (237.7.89 trunk)
  • mto: This revision was merged to the branch mainline in revision 290.
  • Revision ID: teddy@recompile.se-20111231140557-5u4s7s2122gsw5uq
* network-hooks.s/bridge: Don't use interface names directly; search
                          for interface names using their address.
  (addrtoif): New function.
* network-hooks.s/bridge.conf (PORTS): Removed.
  (PORT_ADDRESSES): New.
* network-hooks.s/wireless: Don't use interface names directly; search
                            for interface names using their address.
  (addrtoif): New function.
* network-hooks.s/wireless.conf: Specify address.

Show diffs side-by-side

added added

removed removed

Lines of Context:
network-hooks.d/bridge
 
1
#!/bin/sh
 
2
#
 
3
# This is an example of a Mandos client network hook.  This hook
 
4
# brings up a bridge 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
CONFIG="$MANDOSNETHOOKDIR/bridge.conf"
 
17
 
 
18
addrtoif(){
 
19
    grep -liFe "$1" /sys/class/net/*/address \
 
20
        | sed -e 's,.*/\([^/]*\)/[^/]*,\1,'
 
21
}
 
22
 
 
23
# Read config file, which must set "BRIDGE", "PORT_ADDRESSES", and
 
24
# optionally "IPADDRS" and "ROUTES".
 
25
if [ -e "$CONFIG" ]; then
 
26
    . "$CONFIG"
 
27
fi
 
28
 
 
29
if [ -z "$BRIDGE" -o -z "$PORT_ADDRESSES" ]; then
 
30
    exit
 
31
fi
 
32
 
 
33
if [ -n "$DEVICE" -a "$DEVICE" != "$BRIDGE" ]; then
 
34
    exit
 
35
fi
 
36
 
 
37
for b in /sbin/brctl /usr/sbin/brctl; do
 
38
    if [ -e "$b" ]; then
 
39
        brctl="$b"
 
40
        break
 
41
    fi
 
42
done
 
43
 
 
44
case "$1" in
 
45
    start)
 
46
        "$brctl" addbr "$BRIDGE"
 
47
        for address in $PORT_ADDRESSES; do
 
48
            interface=`addrtoif "$address"`
 
49
            "$brctl" addif "$BRIDGE" "$interface"
 
50
            ip link set dev "$interface" up
 
51
        done
 
52
        ip link set dev "$BRIDGE" up
 
53
        sleep "$DELAY"
 
54
        if [ -n "$IPADDRS" ]; then
 
55
            for ipaddr in $IPADDRS; do
 
56
                ip addr add "$ipaddr" dev "$BRIDGE"
 
57
            done
 
58
        fi
 
59
        if [ -n "$ROUTES" ]; then
 
60
            for route in $ROUTES; do
 
61
                ip route add "$route" dev "$BRIDGE"
 
62
            done
 
63
        fi
 
64
        ;;
 
65
    stop)
 
66
        ip link set dev "$BRIDGE" down
 
67
        for address in $PORT_ADDRESSES; do
 
68
            interface=`addrtoif "$address"`
 
69
            ip link set dev "$interface" down
 
70
            "$brctl" delif "$BRIDGE" "$interface"
 
71
        done
 
72
        "$brctl" delbr "$BRIDGE"
 
73
        ;;
 
74
    files)
 
75
        echo /bin/ip
 
76
        echo "$brctl"
 
77
        ;;
 
78
    modules)
 
79
        echo bridge
 
80
        ;;
 
81
esac