odhcp6c: switch to userspace RA-handling and offload address assignment to netifd
[openwrt.git] / package / network / ipv6 / odhcp6c / files / dhcpv6.script
1 #!/bin/sh
2 [ -z "$2" ] && echo "Error: should be run by odhcpc6c" && exit 1
3 . /lib/functions.sh
4 . /lib/netifd/netifd-proto.sh
5
6 setup_interface () {
7         local device="$1"
8         proto_init_update "*" 1
9
10         # Merge RA-DNS
11         for radns in $RA_DNS; do
12                 local duplicate=0
13                 for dns in $RDNSS; do
14                         [ "$radns" = "$dns" ] && duplicate=1
15                 done
16                 [ "$duplicate" = 0 ] && RDNSS="$RDNSS $radns"
17         done
18
19         for dns in $RDNSS; do
20                 proto_add_dns_server "$dns"
21         done
22
23         for domain in $DOMAINS; do
24                 proto_add_dns_search "$domain"
25         done
26
27         for prefix in $PREFIXES; do
28                 proto_add_ipv6_prefix "$prefix"
29         done
30
31         # Merge addresses
32         for entry in $RA_ADDRESSES; do
33                 local duplicate=0
34                 local addr="${entry%%/*}"
35                 for dentry in $ADDRESSES; do
36                         local daddr="${dentry%%/*}"
37                         [ "$addr" = "$daddr" ] && duplicate=1
38                 done
39                 [ "$duplicate" = "0" ] && ADDRESSES="$ADDRESSES $entry"
40         done
41
42         for entry in $ADDRESSES; do
43                 local addr="${entry%%/*}"
44                 entry="${entry#*/}"
45                 local mask="${entry%%,*}"
46                 entry="${entry#*,}"
47                 local preferred="${entry%%,*}"
48                 entry="${entry#*,}"
49                 local valid="${entry%%,*}"
50
51                 proto_add_ipv6_address "$addr" "$mask" "$preferred" "$valid" 1
52         done
53
54         for entry in $RA_ROUTES; do
55                 local addr="${entry%%/*}"
56                 entry="${entry#*/}"
57                 local mask="${entry%%,*}"
58                 entry="${entry#*,}"
59                 local gw="${entry%%,*}"
60                 entry="${entry#*,}"
61                 local valid="${entry%%,*}"
62                 entry="${entry#*,}"
63                 local metric="${entry%%,*}"
64
65                 proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid"
66         done
67
68         proto_send_update "$INTERFACE"
69
70         # TODO: $SNTP_IP $SIP_IP $SNTP_FQDN $SIP_DOMAIN
71 }
72
73 teardown_interface() {
74         proto_init_update "*" 0
75         proto_send_update "$INTERFACE"
76 }
77
78 case "$2" in
79         informed|bound|updated|rebound|ra-updated)
80                 setup_interface "$1"
81         ;;
82         started|stopped|unbound)
83                 teardown_interface "$1"
84         ;;
85 esac
86
87 # user rules
88 [ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user
89
90 exit 0