]>
Commit | Line | Data |
---|---|---|
1eec4672 MT |
1 | #!/bin/bash |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2010 Michael Tremer & Christian Schmidt # | |
6 | # # | |
7 | # This program is free software: you can redistribute it and/or modify # | |
8 | # it under the terms of the GNU General Public License as published by # | |
9 | # the Free Software Foundation, either version 3 of the License, or # | |
10 | # (at your option) any later version. # | |
11 | # # | |
12 | # This program is distributed in the hope that it will be useful, # | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
15 | # GNU General Public License for more details. # | |
16 | # # | |
17 | # You should have received a copy of the GNU General Public License # | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
19 | # # | |
20 | ############################################################################### | |
21 | ||
22 | RADVD_CONFIGFILE="/etc/radvd.conf" | |
23 | ||
24 | function radvd_update() { | |
25 | # (Re-)write the configuration file | |
26 | radvd_write_config | |
27 | ||
28 | # Reload the radvd service. | |
29 | service_reload radvd | |
30 | } | |
31 | ||
32 | function radvd_write_config() { | |
6f923dac | 33 | config_header "radv daemon configuration file" > ${RADVD_CONFIGFILE} |
1eec4672 MT |
34 | |
35 | # Write the configuration for all zones. | |
36 | local zone | |
28f0b4ab | 37 | for zone in $(zones_get_local); do |
1eec4672 | 38 | __radvd_config_interface ${zone} |
1eec4672 | 39 | |
6f923dac | 40 | done >> ${RADVD_CONFIGFILE} |
1eec4672 | 41 | |
6f923dac | 42 | return ${EXIT_OK} |
1eec4672 MT |
43 | } |
44 | ||
45 | function __radvd_config_interface() { | |
46 | local zone=${1} | |
1eec4672 MT |
47 | assert isset zone |
48 | ||
6f923dac | 49 | log DEBUG "Writing radvd configuration for ${zone}." |
b368da2f | 50 | |
1eec4672 MT |
51 | # If the interface does not provide any routing information, |
52 | # we can skip this whole stuff. | |
53 | if ! routing_db_exists ${zone} ipv6; then | |
54 | return ${EXIT_OK} | |
55 | fi | |
56 | ||
57 | # Skip if zone is not active. | |
58 | local active=$(routing_db_get ${zone} ipv6 active) | |
59 | [ "${active}" = "0" ] && return ${EXIT_OK} | |
60 | ||
61 | # Skip if there is no prefix or prefix is link-local. | |
6c07160e MT |
62 | local addr=$(routing_db_get ${zone} ipv6 local-ip-address) |
63 | if [ -z "${addr}" ] || [ "${addr:0:5}" = "fe80:" ]; then | |
1eec4672 MT |
64 | return ${EXIT_OK} |
65 | fi | |
6c07160e MT |
66 | local prefix=$(ipv6_get_network ${addr}) |
67 | ||
68 | # Check if the subnet is configured by the DHCP server. | |
69 | local dhcpd="false" | |
70 | if dhcpd_subnet_match ipv6 "${prefix}"; then | |
71 | dhcpd="true" | |
72 | fi | |
1eec4672 | 73 | |
6f923dac MT |
74 | print "interface ${zone} {" |
75 | print " AdvSendAdvert on;" | |
76 | print " MinRtrAdvInterval 3;" | |
77 | print " MaxRtrAdvInterval 10;" | |
78 | print " IgnoreIfMissing on;" | |
6c07160e MT |
79 | |
80 | if enabled dhcpd; then | |
81 | print " AdvManagedFlag on;" | |
82 | print " AdvOtherConfigFlag on;" | |
83 | fi | |
84 | ||
6f923dac MT |
85 | |
86 | print " prefix ${prefix} {" | |
87 | print " AdvOnLink on;" | |
6c07160e MT |
88 | |
89 | if enabled dhcpd; then | |
90 | print " AdvRouterAddr off;" | |
91 | print " AdvAutonomous off;" | |
92 | else | |
93 | print " AdvRouterAddr on;" | |
94 | print " AdvAutonomous on;" | |
95 | fi | |
96 | ||
6f923dac MT |
97 | print " };" |
98 | ||
99 | ||
100 | # Add the DNS configuration. | |
101 | __radvd_config_dns ${zone} | |
102 | ||
103 | print "};" | |
104 | ||
105 | } | |
106 | ||
107 | function __radvd_config_dns() { | |
108 | local zone=${1} | |
109 | ||
110 | # Do nothing, when this option is not enabled. | |
111 | enabled DNS_ADVERTISE_SERVERS || return ${EXIT_OK} | |
112 | ||
113 | # XXX it is kind of difficult to announce our local | |
114 | # resolver. | |
115 | ||
116 | local server servers | |
e5651e17 | 117 | for server in $(dns_server_list_sorted); do |
6f923dac MT |
118 | # Filter out non IPv6 addresses. |
119 | ipv6_is_valid ${server} || continue | |
120 | ||
121 | servers="${servers} ${server}" | |
122 | done | |
123 | ||
124 | # Remove whitespaces. | |
125 | servers=$(echo ${servers}) | |
126 | ||
127 | # If there are no servers to announce, we stop right here. | |
128 | if ! isset servers; then | |
129 | log DEBUG "No servers to announce." | |
130 | return ${EXIT_OK} | |
131 | fi | |
132 | ||
133 | print " RDNSS ${servers} {" | |
134 | print " # Use the defaults here." | |
135 | print " };" | |
136 | ||
1eec4672 | 137 | } |