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Add ip6addrctl_enable and ip6_addrctl_verbose option. If

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ip6addrctl_enable is set to YES, address selection policy is installed
into kernel.
If there is /etc/ip6addrctl.conf, it is used for address selection
policy.  Even if there is no /etc/ip6addrctl.conf, we install default
policy.  In this case, if ipv6_enable is set to YES, we use address
selection policy described in RFC 3484 as default.  Otherwise, we
install priority policy for IPv4 address.
The default of ip6addrctl_enable is NO for now.  However, it may
better to enable it by default.
This commit is contained in:
Hajimu UMEMOTO 2004-06-02 09:39:49 +00:00
parent d7d485798f
commit b351b78a10
2 changed files with 45 additions and 3 deletions
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2
etc/defaults/rc.conf
View File

@ -340,6 +340,8 @@ ipv6_firewall_flags="" # Flags passed to ip6fw when type is a file
ipv6_ipfilter_rules="/etc/ipf6.rules" # rules definition file for ipfilter,
# see /usr/src/contrib/ipfilter/rules
# for examples
ip6addrctl_enable="NO" # Set to NO to disable default address selection
ip6addrctl_verbose="NO" # Set to YES to enable verbose configuration messages
##############################################################
### System console options #################################

46
etc/rc.d/ip6addrctl
View File

@ -9,11 +9,37 @@
# KEYWORD: FreeBSD nojail
. /etc/rc.subr
. /etc/network.subr
name="ip6addrctl"
rcvar=`set_rcvar`
start_cmd="ip6addrctl_start"
stop_cmd=':'
stop_cmd="ip6addrctl_stop"
extra_commands="status prefer_ipv6 prefer_ipv4"
status_cmd="ip6addrctl"
prefer_ipv6_cmd="ip6addrctl_prefer_ipv6"
prefer_ipv4_cmd="ip6addrctl_prefer_ipv4"
ip6addrctl_prefer_ipv6()
{
ip6addrctl flush >/dev/null 2>&1
ip6addrctl add ::1/128 50 0
ip6addrctl add ::/0 40 1
ip6addrctl add 2002::/16 30 2
ip6addrctl add ::/96 20 3
ip6addrctl add ::ffff:0:0/96 10 4
checkyesno ip6addrctl_verbose && ip6addrctl
}
ip6addrctl_prefer_ipv4()
{
ip6addrctl flush >/dev/null 2>&1
ip6addrctl add ::ffff:0:0/96 50 0
ip6addrctl add ::1/128 40 1
ip6addrctl add ::/0 30 2
ip6addrctl add 2002::/16 20 3
ip6addrctl add ::/96 10 4
checkyesno ip6addrctl_verbose && ip6addrctl
}
ip6addrctl_start()
{
@ -24,9 +50,23 @@ ip6addrctl_start()
if [ -f /etc/ip6addrctl.conf ]; then
ip6addrctl flush >/dev/null 2>&1
ip6addrctl install /etc/ip6addrctl.conf
ip6addrctl
checkyesno ip6addrctl_verbose && ip6addrctl
else
if checkyesno ipv6_enable; then
ip6addrctl_prefer_ipv6
else
ip6addrctl_prefer_ipv4
fi
fi
fi
}
ip6addrctl_stop()
{
if ifconfig lo0 inet6 >/dev/null 2>&1; then
# We have IPv6 support in kernel.
ip6addrctl flush >/dev/null 2>&1
fi
}
load_rc_config $name