blob: b77d70c179a960e674595d2b15687957d7d82ff1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.
arping_depend()
{
program /sbin/arping /usr/sbin/arping2
before interface
}
arping_address()
{
local ip=${1%%/*} mac="$2" spoof="$3" foundmac= i= w= opts=
# We only handle IPv4 addresses
case "${ip}" in
0.0.0.0|0) return 1;;
*.*.*.*);;
*) return 1;;
esac
# We need to bring the interface up to test
_exists "${iface}" || return 1
_up "${iface}"
eval w=\$arping_wait_${IFVAR}
[ -z "${w}" ] && w=${arping_wait:-5}
if type arping2 >/dev/null 2>&1; then
if [ -n "${spoof}" ]; then
opts="${opts} -S ${spoof}"
else
[ -z "$(_get_inet_address)" ] && opts="${opts} -0"
fi
while [ ${w} -gt 0 -a -z "${foundmac}" ]; do
foundmac="$(arping2 ${opts} -r -c 1 -i "${IFACE}" "${ip}" 2>/dev/null | \
sed -e 'y/abcdef/ABCDEF/')"
w=$((${w} - 1))
done
else
[ -z "$(_get_inet_address)" ] && opts="${opts} -D"
foundmac="$(arping -w "${w}" ${opts} -f -I "${IFACE}" "${ip}" 2>/dev/null | \
sed -n -e 'y/abcdef/ABCDEF/' -e 's/[^[]*\[\([^]]*\)\].*/\1/p')"
fi
[ -z "${foundmac}" ] && return 1
if [ -n "${mac}" ]; then
if [ "${mac}" != "${foundmac}" ]; then
vewarn "Found ${ip} but MAC ${foundmac} does not match"
return 1
fi
fi
return 0
}
_arping_in_config()
{
_get_array "config_${IFVAR}" | while read i; do
[ "${i}" = "arping" ] && return 1
done
return 1
}
arping_start()
{
local gateways= x= conf= i=
einfo "Pinging gateways on ${IFACE} for configuration"
eval gateways=\$gateways_${IFVAR}
if [ -z "${gateways}" ]; then
eerror "No gateways have been defined (gateways_${IFVAR}=\"...\")"
return 1
fi
eindent
for x in ${gateways}; do
local IFS=,
set -- ${x}
local ip=$1 mac=$2 spoof=$3 extra=
unset IFS
if [ -n "${mac}" ]; then
mac="$(echo "${mac}" | tr '[:lower:]' '[:upper:]')"
extra="(MAC ${mac})"
fi
vebegin "${ip} ${extra}"
if arping_address "${ip}" "${mac}" "${spoof}"; then
local IFS=.
for i in ${ip}; do
if [ "${#i}" = "2" ]; then
conf="${conf}0${i}"
elif [ "${#i}" = "1" ]; then
conf="${conf}00${i}"
else
conf="${conf}${i}"
fi
done
unset IFS
[ -n "${mac}" ] && conf="${conf}_$(echo "${mac}" | sed -e 's/://g')"
eend 0
eoutdent
veinfo "Configuring ${IFACE} for ${ip} ${extra}"
_configure_variables ${conf}
# Call the system module as we've aleady passed it by ....
# And it *has* to be pre_start for other things to work correctly
system_pre_start
# Ensure that we have a valid config - ie arping is no longer there
local IFS="$__IFS"
for i in $(_get_array "config_${IFVAR}"); do
if [ "${i}" = "arping" ]; then
eend 1 "No config found for ${ip} (config_${conf}=\"...\")"
continue 2
fi
done
unset IFS
_load_config
return 0
fi
veend 1
done
eoutdent
return 1
}
|
