ipv6: add 6relayd (RD-, DHCPv6- & NDP-Proxy)
[openwrt/svn-archive/archive.git] / package / network / ipv6 / 6relayd / files / 6relayd.init
1 #!/bin/sh /etc/rc.common
2 # Copyright (c) 2011-2012 OpenWrt.org
3 START=80
4
5 resolve_ifname() {
6 grep -qs "^ *$1:" /proc/net/dev && {
7 append ifaces "$1"
8 }
9 }
10
11 resolve_network() {
12 local ifn
13 fixup_interface "$1"
14 config_get ifn "$1" ifname
15 [ -z "$ifn" ] && return 1
16 resolve_ifname "$ifn"
17 }
18
19 start_6relayd() {
20 local cfg="$1"
21
22 local args="-S"
23 local ifaces=""
24
25 config_get proto "$cfg" proto
26 [[ "$proto" == 6relay ]] || return 0
27
28 SERVICE_DAEMONIZE=1
29 SERVICE_WRITE_PID=1
30 SERVICE_PID_FILE="/var/run/6relayd-$cfg.pid"
31 [ -f "$SERVICE_PID_FILE" ] && {
32 if grep -q 6relayd "/proc/$(cat $SERVICE_PID_FILE)/cmdline"; then
33 return 0
34 else
35 rm -f "$SERVICE_PID_FILE"
36 fi
37 }
38
39 local net networks
40 config_get networks "$cfg" network
41 for net in $networks; do
42 resolve_network "$net" || {
43 return 1
44 }
45 done
46
47 local ifn ifnames
48 config_get ifnames "$cfg" ifname
49 for ifn in $ifnames; do
50 resolve_ifname "$ifn"
51 done
52
53 local forward_rd # = 1
54 config_get_bool forward_rd "$cfg" forward_rd 1
55 [ $forward_rd -eq 1 ] && append args "-R"
56
57 local forward_dhcpv6 # = 1
58 local forward_dhcpv6_mode # = relay
59 config_get_bool forward_dhcpv6 "$cfg" forward_dhcpv6 1
60 config_get forward_dhcpv6_mode "$cfg" forward_dhcpv6_mode
61 [ $forward_dhcpv6 -eq 1 ] && append args "-D$forward_dhcpv6_mode"
62
63 local forward_ndp # = 1
64 config_get_bool forward_ndp "$cfg" forward_ndp 1
65 [ $forward_ndp -eq 1 ] && append args "-N"
66
67 local configure_routes # = 1
68 config_get_bool configure_routes "$cfg" configure_routes 1
69 [ $configure_routes -eq 1 ] && append args "-r"
70
71 local always_rewrite_dns # = 0
72 config_get_bool always_rewrite_dns "$cfg" always_rewrite_dns 0
73 [ $always_rewrite_dns -eq 1 ] && append args "-n"
74
75 service_start /usr/sbin/6relayd $args $ifaces
76 }
77
78 stop() {
79 for pid in /var/run/6relayd-*.pid; do
80 SERVICE_PID_FILE="$pid"
81 service_stop /usr/sbin/6relayd
82 rm -f "$SERVICE_PID_FILE"
83 done
84 }
85
86 start() {
87 include /lib/network
88 config_load network
89 config_foreach start_6relayd interface
90 }