odhcp6c: add source routing support
[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         [ -n "$USERPREFIX" ] && proto_add_ipv6_prefix "$USERPREFIX"
32
33         # Merge addresses
34         for entry in $RA_ADDRESSES; do
35                 local duplicate=0
36                 local addr="${entry%%/*}"
37                 for dentry in $ADDRESSES; do
38                         local daddr="${dentry%%/*}"
39                         [ "$addr" = "$daddr" ] && duplicate=1
40                 done
41                 [ "$duplicate" = "0" ] && ADDRESSES="$ADDRESSES $entry"
42         done
43
44         for entry in $ADDRESSES; do
45                 local addr="${entry%%/*}"
46                 entry="${entry#*/}"
47                 local mask="${entry%%,*}"
48                 entry="${entry#*,}"
49                 local preferred="${entry%%,*}"
50                 entry="${entry#*,}"
51                 local valid="${entry%%,*}"
52
53                 proto_add_ipv6_address "$addr" "$mask" "$preferred" "$valid" 1
54         done
55
56         for entry in $RA_ROUTES; do
57                 local addr="${entry%%/*}"
58                 entry="${entry#*/}"
59                 local mask="${entry%%,*}"
60                 entry="${entry#*,}"
61                 local gw="${entry%%,*}"
62                 entry="${entry#*,}"
63                 local valid="${entry%%,*}"
64                 entry="${entry#*,}"
65                 local metric="${entry%%,*}"
66
67                 if [ -z "$SOURCE_ROUTING" -o -z "$gw" ]; then
68                         proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid"
69                 else
70                         proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid" "::/128"
71                         for prefix in $PREFIXES; do
72                                 local paddr="${prefix%%,*}"
73                                 proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid" "$paddr"
74                         done
75                 fi
76         done
77
78         proto_send_update "$INTERFACE"
79
80         if [ -n "$AFTR_IP " -a -n "$IFACE_DSLITE" ]; then
81 uci -q batch <<-EOF >/dev/null
82 set network.$IFACE_DSLITE.proto=dslite
83 set network.$IFACE_DSLITE.auto=0
84 set network.$IFACE_DSLITE.peeraddr=$AFTR_IP
85 set network.$IFACE_DSLITE.tunlink=$INTERFACE
86 commit network
87 EOF
88
89                 ifdown "$IFACE_DSLITE"
90                 /etc/init.d/network reload
91                 ifup "$IFACE_DSLITE"
92         fi
93
94         # TODO: $SNTP_IP $SIP_IP $SNTP_FQDN $SIP_DOMAIN
95 }
96
97 teardown_interface() {
98         proto_init_update "*" 0
99         proto_send_update "$INTERFACE"
100 }
101
102 case "$2" in
103         bound)
104                 teardown_interface "$1"
105                 setup_interface "$1"
106         ;;
107         informed|updated|rebound|ra-updated)
108                 setup_interface "$1"
109         ;;
110         started|stopped|unbound)
111                 teardown_interface "$1"
112         ;;
113 esac
114
115 # user rules
116 [ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user
117
118 exit 0