blob: 9b3fc28562791324377e52cad3f96482071de548 (
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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
#!@PREFIX@/sbin/runscript
# Copyright 2009 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.
description="Configures network interfaces."
__nl="
"
depend()
{
need localmount
after bootmisc
provide net
keyword nojail noprefix novserver
}
interfaces()
{
case "${RC_UNAME}" in
Linux)
local w= rest= i= cmd=$1
while read w rest; do
i=${w%%:*}
[ "$i" != "$w" ] || continue
if [ "$cmd" = u ]; then
ifconfig "$i" | grep -q "[ ]*UP" || continue
fi
printf "%s " "$i"
done </proc/net/dev
;;
*)
ifconfig -l$1
;;
esac
}
uniqify()
{
local result=
while [ -n "$1" ]; do
case " ${result} " in
*" $1 "*);;
*) result="${result} $1";;
esac
shift
done
echo "${result# *}"
}
dumpargs()
{
local f="$1"
shift
case "$@" in
'') cat "$f";;
*"$__nl"*) echo "$@";;
*)
(
set -o noglob
IFS=';'; set -- $@
IFS="$__nl"; echo "$*"
);;
esac
}
runip()
{
local iface="$1" err=
shift
err=$(LC_ALL=C ip address add "$@" dev "$iface" 2>&1)
[ -z "$err" ] && return 0
if [ "$err" = "RTNETLINK answers: File exists" ]; then
ip address del "$@" dev "${iface}" 2>/dev/null
fi
# Localise the error
ip address add "$@" dev "$iface"
}
routeflush()
{
if [ "${RC_UNAME}" = Linux ]; then
if [ -x /sbin/ip ]; then
ip route flush scope global
else
# Sadly we also delete some link routes, but
# this cannot be helped
local dest= gate= net= flags= rest=
route -n | while read dest gate net flags rest; do
[ -z "$net" ] && continue
case "$dest" in
[0-9]*) ;;
*) continue;;
esac
local xtra= netmask="netmask $net"
case "$flags" in
U) continue;;
*H*) flags=-host; netmask=;;
*!*) flags=-net; xtra=reject;;
*) flags=-net;;
esac
route del $flags $dest $netmask $xtra
done
fi
else
route -qn flush
fi
}
runargs()
{
dumpargs "$@" | while read -r args; do
case "$args" in
''|"#"*) ;;
*)
(
vebegin "${args#*!}"
eval "${args#*!}"
veend $?
);;
esac
done
}
start()
{
local cr=0 r= iface= cnf= cmd= args= upcmd=
einfo "Starting network"
routeflush
if [ "${RC_UNAME}" = "Linux" ]; then
ifconfig lo 127.0.0.1 netmask 255.0.0.0 || cr=1
route add -net 127.0.0.0 netmask 255.0.0.0 \
gw 127.0.0.1 2>/dev/null
route add -net 127.0.0.0 netmask 255.0.0.0 \
gw 127.0.0.1 reject 2>/dev/null
else
ifconfig lo0 127.0.0.1 netmask 255.0.0.0 || cr=1
route -q add -inet 127.0.0.0 -netmask 255.0.0.0 \
127.0.0.1 -reject || cr=1
fi
eindent
for iface in $(uniqify $(interfaces) $interfaces); do
local func= cf=
eval upcmd=\$ifup_$iface
for func in ip ifconfig; do
eval cmd=\$${func}_${iface}
if [ -n "$cmd" -o -f /etc/"$func.$iface" ]; then
cf=/etc/"$func.$iface"
break
fi
done
[ -n "$cf" -o -n "$upcmd" -o \
-f /etc/ifup."$iface" -o -f "$cf" ] || continue
vebegin "$iface"
case "$func" in
ip) func=runip;;
esac
eindent
if [ -n "$upcmd" -o -f /etc/ifup."$iface" ]; then
runargs /etc/ifup."$iface" "$upcmd"
fi
r=0
dumpargs "$cf" "$cmd" | while read -r args; do
case "$args" in
''|"#"*) ;;
"!"*)
(
vebegin "${args#*!}"
eval "${args#*!}"
veend $?
);;
*)
(
set -o noglob
eval set -- "$args"
vebegin "$@"
$func "$iface" "$@"
veend $?
);;
esac
done
eoutdent
veend $? || cr=1
done
eoutdent
eend $cr
if [ -n "$defaultroute" ]; then
ebegin "Setting default route $defaultroute"
if [ "${RC_UNAME}" = Linux ]; then
route add default gw $defaultroute
else
route add default $defaultroute
fi
eend $?
fi
return 0
}
stop()
{
local cr=0 r= iface= cnf= cmd= args= downcmd=
einfo "Stopping network"
routeflush
eindent
for iface in $(uniqify $(interfaces u) $interfaces); do
eval downcmd=\$ifdown_$iface
eval cmd=\$ip_$iface
[ -z "$cmd" ] && eval cmd=\$ifconfig_$iface
if [ -n "$cmd" -o -f /etc/ip."$iface" -o \
-f /etc/ifconfig."$iface" -o \
-n "$downcmd" -o -f /etc/ifdown."$iface" ];
then
vebegin "$iface"
if [ -n "$downcmd" -o -f /etc/ifdown."$iface" ]; then
runargs /etc/ifdown."$iface" "$downcmd"
fi
ifconfig "$iface" down 2>/dev/null
veend $?
fi
done
eoutdent
eend 0
}
|
