odhcp6c: improve server selection, introduce "forceprefix" option
[openwrt/staging/lynxis/omap.git] / package / network / ipv6 / odhcp6c / files / dhcpv6.sh
1 #!/bin/sh
2
3 . /lib/functions.sh
4 . ../netifd-proto.sh
5 init_proto "$@"
6
7 proto_dhcpv6_init_config() {
8 proto_config_add_string "reqaddress"
9 proto_config_add_string "reqprefix"
10 proto_config_add_string "clientid"
11 proto_config_add_string "reqopts"
12 proto_config_add_string "noslaaconly"
13 proto_config_add_string "forceprefix"
14 proto_config_add_string "norelease"
15 proto_config_add_string "ip6prefix"
16 proto_config_add_string "iface_dslite"
17 proto_config_add_string "ifaceid"
18 }
19
20 proto_dhcpv6_setup() {
21 local config="$1"
22 local iface="$2"
23
24 local reqaddress reqprefix clientid reqopts noslaaconly forceprefix norelease ip6prefix iface_dslite ifaceid
25 json_get_vars reqaddress reqprefix clientid reqopts noslaaconly forceprefix norelease ip6prefix iface_dslite ifaceid
26
27
28 # Configure
29 local opts=""
30 [ -n "$reqaddress" ] && append opts "-N$reqaddress"
31
32 [ -z "$reqprefix" -o "$reqprefix" = "auto" ] && reqprefix=0
33 [ "$reqprefix" != "no" ] && append opts "-P$reqprefix"
34
35 [ -n "$clientid" ] && append opts "-c$clientid"
36
37 [ "$noslaaconly" = "1" ] && append opts "-S"
38
39 [ "$forceprefix" = "1" ] && append opts "-F"
40
41 [ "$norelease" = "1" ] && append opts "-k"
42
43 [ -n "$ifaceid" ] && append opts "-i$ifaceid"
44
45 for opt in $reqopts; do
46 append opts "-r$opt"
47 done
48
49 [ -n "$ip6prefix" ] && proto_export "USERPREFIX=$ip6prefix"
50 [ -n "$iface_dslite" ] && proto_export "IFACE_DSLITE=$iface_dslite"
51
52 proto_export "INTERFACE=$config"
53 proto_run_command "$config" odhcp6c \
54 -s /lib/netifd/dhcpv6.script \
55 $opts $iface
56 }
57
58 proto_dhcpv6_teardown() {
59 local interface="$1"
60 proto_kill_command "$interface"
61 }
62
63 add_protocol dhcpv6
64