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78 lines
1.4 KiB
Plaintext
78 lines
1.4 KiB
Plaintext
12 years ago
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#!/bin/sh
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[ -z "$2" ] && echo "Error: should be run by odhcpc6c" && exit 1
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. /lib/functions.sh
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. /lib/netifd/netifd-proto.sh
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ipv6_conf() {
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echo "$3" > "/proc/sys/net/ipv6/conf/$1/$2"
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}
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# RFC 6204 requires us to block forwarding until address acquisition is complete
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ipv6_block_forwarding() {
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ip6tables "-$2" forwarding_rule -o "$1" -j REJECT --reject-with no-route 2>/dev/null
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}
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prepare_interface() {
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local device="$1"
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ipv6_block_forwarding "$device" A
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ipv6_conf "$device" accept_ra 2
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ipv6_conf "$device" forwarding 2
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}
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cleanup_interface() {
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local device="$1"
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ipv6_conf "$device" accept_ra 1
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ipv6_conf "$device" forwarding 1
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ipv6_block_forwarding "$device" D
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}
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setup_interface () {
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local device="$1"
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ipv6_block_forwarding "$device" D
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proto_init_update "*" 1
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for dns in $RDNSS; do
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proto_add_dns_server "$dns"
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done
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for domain in $DOMAINS; do
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proto_add_dns_search "$domain"
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done
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for prefix in $PREFIXES; do
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proto_add_ipv6_prefix "$prefix"
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done
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proto_send_update "$INTERFACE"
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# TODO: $SNTP_IP $SIP_IP $SNTP_FQDN $SIP_DOMAIN
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}
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teardown_interface() {
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proto_init_update "*" 0
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proto_send_update "$INTERFACE"
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}
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case "$2" in
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started)
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prepare_interface "$1"
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;;
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stopped)
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cleanup_interface "$1"
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;;
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informed|bound|updated|rebound)
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setup_interface "$1"
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;;
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unbound|timeout)
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teardown_interface "$1"
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;;
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esac
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# user rules
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[ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user
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exit 0
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