13dc08685f
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.
74 lines
1.5 KiB
Bash
74 lines
1.5 KiB
Bash
#!/bin/sh
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#
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# $FreeBSD$
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#
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# PROVIDE: ip6addrctl
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# REQUIRE: mountcritlocal netif
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# BEFORE: network_ipv6
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# KEYWORD: FreeBSD nojail
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. /etc/rc.subr
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name="ip6addrctl"
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rcvar=`set_rcvar`
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start_cmd="ip6addrctl_start"
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stop_cmd="ip6addrctl_stop"
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extra_commands="status prefer_ipv6 prefer_ipv4"
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status_cmd="ip6addrctl"
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prefer_ipv6_cmd="ip6addrctl_prefer_ipv6"
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prefer_ipv4_cmd="ip6addrctl_prefer_ipv4"
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ip6addrctl_prefer_ipv6()
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{
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ip6addrctl flush >/dev/null 2>&1
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ip6addrctl add ::1/128 50 0
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ip6addrctl add ::/0 40 1
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ip6addrctl add 2002::/16 30 2
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ip6addrctl add ::/96 20 3
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ip6addrctl add ::ffff:0:0/96 10 4
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checkyesno ip6addrctl_verbose && ip6addrctl
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}
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ip6addrctl_prefer_ipv4()
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{
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ip6addrctl flush >/dev/null 2>&1
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ip6addrctl add ::ffff:0:0/96 50 0
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ip6addrctl add ::1/128 40 1
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ip6addrctl add ::/0 30 2
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ip6addrctl add 2002::/16 20 3
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ip6addrctl add ::/96 10 4
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checkyesno ip6addrctl_verbose && ip6addrctl
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}
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ip6addrctl_start()
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{
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if ifconfig lo0 inet6 >/dev/null 2>&1; then
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# We have IPv6 support in kernel.
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# install the policy of the address selection algorithm.
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if [ -f /etc/ip6addrctl.conf ]; then
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ip6addrctl flush >/dev/null 2>&1
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ip6addrctl install /etc/ip6addrctl.conf
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checkyesno ip6addrctl_verbose && ip6addrctl
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else
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if checkyesno ipv6_enable; then
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ip6addrctl_prefer_ipv6
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else
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ip6addrctl_prefer_ipv4
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fi
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fi
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fi
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}
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ip6addrctl_stop()
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{
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if ifconfig lo0 inet6 >/dev/null 2>&1; then
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# We have IPv6 support in kernel.
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ip6addrctl flush >/dev/null 2>&1
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fi
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}
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load_rc_config $name
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run_rc_command "$1"
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