odhcp6c: Add preliminary proto-handler

SVN-Revision: 35135
This commit is contained in:
Steven Barth 2013-01-13 17:35:09 +00:00
parent b58a13cb2c
commit f0df2006af
3 changed files with 129 additions and 1 deletions
package/network/ipv6/odhcp6c

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@ -8,7 +8,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=odhcp6c
PKG_VERSION:=2013-01-02
PKG_VERSION:=2013-01-11
PKG_RELEASE=$(PKG_SOURCE_VERSION)
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
@ -31,6 +31,9 @@ endef
define Package/odhcp6c/install
$(INSTALL_DIR) $(1)/usr/sbin/
$(INSTALL_BIN) $(PKG_BUILD_DIR)/odhcp6c $(1)/usr/sbin/
$(INSTALL_DIR) $(1)/lib/netifd/proto
$(INSTALL_BIN) ./files/dhcpv6.sh $(1)/lib/netifd/proto/dhcpv6.sh
$(INSTALL_BIN) ./files/dhcpv6.script $(1)/lib/netifd/
endef
$(eval $(call BuildPackage,odhcp6c))

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@ -0,0 +1,77 @@
#!/bin/sh
[ -z "$2" ] && echo "Error: should be run by odhcpc6c" && exit 1
. /lib/functions.sh
. /lib/netifd/netifd-proto.sh
ipv6_conf() {
echo "$3" > "/proc/sys/net/ipv6/conf/$1/$2"
}
# RFC 6204 requires us to block forwarding until address acquisition is complete
ipv6_block_forwarding() {
ip6tables "-$2" forwarding_rule -o "$1" -j REJECT --reject-with no-route 2>/dev/null
}
prepare_interface() {
local device="$1"
ipv6_block_forwarding "$device" A
ipv6_conf "$device" accept_ra 2
ipv6_conf "$device" forwarding 2
}
cleanup_interface() {
local device="$1"
ipv6_conf "$device" accept_ra 1
ipv6_conf "$device" forwarding 1
ipv6_block_forwarding "$device" D
}
setup_interface () {
local device="$1"
ipv6_block_forwarding "$device" D
proto_init_update "*" 1
for dns in $RDNSS; do
proto_add_dns_server "$dns"
done
for domain in $DOMAINS; do
proto_add_dns_search "$domain"
done
for prefix in $PREFIXES; do
proto_add_ipv6_prefix "$prefix"
done
proto_send_update "$INTERFACE"
# TODO: $SNTP_IP $SIP_IP $SNTP_FQDN $SIP_DOMAIN
}
teardown_interface() {
proto_init_update "*" 0
proto_send_update "$INTERFACE"
}
case "$2" in
started)
prepare_interface "$1"
;;
stopped)
cleanup_interface "$1"
;;
informed|bound|updated|rebound)
setup_interface "$1"
;;
unbound|timeout)
teardown_interface "$1"
;;
esac
# user rules
[ -f /etc/odhcp6c.user ] && . /etc/odhcp6c.user
exit 0

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@ -0,0 +1,48 @@
#!/bin/sh
. /lib/functions.sh
. ../netifd-proto.sh
init_proto "$@"
proto_dhcpv6_init_config() {
proto_config_add_string "reqaddress"
proto_config_add_string "reqprefix"
proto_config_add_string "clientid"
proto_config_add_string "reqopts"
}
proto_dhcpv6_setup() {
local config="$1"
local iface="$2"
local reqaddress reqprefix clientid reqopts
json_get_vars reqaddress reqprefix clientid reqopts
# Configure
local opts=""
[ -n "$reqaddress" ] && append opts "-N$reqaddress"
[ -z "$reqprefix" -o "$reqprefix" = "auto" ] && reqprefix=0
[ "$reqprefix" != "no" ] && append opts "-P$reqprefix"
[ -n "$clientid" ] && append opts "-c$clientid"
for opt in $reqopts; do
append opts "-r$opt"
done
proto_export "INTERFACE=$config"
proto_run_command "$config" odhcp6c \
-s /lib/netifd/dhcpv6.script \
$opts $iface
}
proto_dhcpv6_teardown() {
local interface="$1"
proto_kill_command "$interface"
}
add_protocol dhcpv6