dc97594a94
This would cause pseudo network modules to be reloaded again when trying to unload the first time if any cloned interfaces exist. MFC after: 2 weeks
973 lines
19 KiB
Plaintext
973 lines
19 KiB
Plaintext
#
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# Copyright (c) 2003 The FreeBSD Project. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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#
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# Subroutines commonly used from network startup scripts.
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# Requires that rc.conf be loaded first.
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#
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# ifconfig_up if
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# Evaluate ifconfig(8) arguments for interface $if and
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# run ifconfig(8) with those arguments. It returns 0 if
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# arguments were found and executed or 1 if the interface
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# had no arguments. Pseudo arguments DHCP and WPA are handled
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# here.
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#
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ifconfig_up()
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{
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_cfg=1
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ifconfig_args=`ifconfig_getargs $1`
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if [ -n "${ifconfig_args}" ]; then
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ifconfig $1 up
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ifconfig $1 ${ifconfig_args}
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_cfg=0
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fi
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if wpaif $1; then
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if [ $_cfg -ne 0 ] ; then
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ifconfig $1 up
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fi
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/etc/rc.d/wpa_supplicant start $1
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_cfg=0 # XXX: not sure this should count
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fi
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if dhcpif $1; then
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if [ $_cfg -ne 0 ] ; then
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ifconfig $1 up
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fi
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if syncdhcpif $1; then
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/etc/rc.d/dhclient start $1
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fi
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_cfg=0
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fi
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return $_cfg
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}
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# ifconfig_down if
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# returns 1 if wpa_supplicant or dhclient was stopped or
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# the interface exists.
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#
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ifconfig_down()
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{
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[ -z "$1" ] && return 1
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_cfg=1
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if wpaif $1; then
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/etc/rc.d/wpa_supplicant stop $1
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_cfg=0
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fi
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if dhcpif $1; then
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/etc/rc.d/dhclient stop $1
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_cfg=0
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fi
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if ifexists $1; then
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ifconfig $1 down
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_cfg=0
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fi
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return $_cfg
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}
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# get_if_var if var [default]
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# Return the value of the pseudo-hash corresponding to $if where
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# $var is a string containg the sub-string "IF" which will be
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# replaced with $if after the characters defined in _punct are
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# replaced with '_'. If the variable is unset, replace it with
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# $default if given.
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get_if_var()
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{
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if [ $# -ne 2 -a $# -ne 3 ]; then
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err 3 'USAGE: get_if_var name var [default]'
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fi
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_if=$1
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_punct=". - / +"
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for _punct_c in $_punct; do
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_if=`ltr ${_if} ${_punct_c} '_'`
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done
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_var=$2
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_default=$3
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prefix=${_var%%IF*}
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suffix=${_var##*IF}
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eval echo \${${prefix}${_if}${suffix}-${_default}}
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}
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# _ifconfig_getargs if
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# Echos the arguments for the supplied interface to stdout.
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# returns 1 if empty. In general, ifconfig_getargs should be used
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# outside this file.
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_ifconfig_getargs()
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{
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_ifn=$1
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if [ -z "$_ifn" ]; then
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return 1
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fi
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get_if_var $_ifn ifconfig_IF "$ifconfig_DEFAULT"
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}
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# ifconfig_getargs if
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# Takes the result from _ifconfig_getargs and removes pseudo
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# args such as DHCP and WPA.
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ifconfig_getargs()
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{
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_tmpargs=`_ifconfig_getargs $1`
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if [ $? -eq 1 ]; then
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return 1
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fi
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_args=
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for _arg in $_tmpargs; do
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case $_arg in
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[Dd][Hh][Cc][Pp]) ;;
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[Nn][Oo][Aa][Uu][Tt][Oo]) ;;
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[Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]) ;;
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[Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]) ;;
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[Ww][Pp][Aa]) ;;
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*)
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_args="$_args $_arg"
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;;
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esac
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done
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echo $_args
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}
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# autoif
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# Returns 0 if the interface should be automaticly configured at
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# boot time and 1 otherwise.
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autoif()
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{
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_tmpargs=`_ifconfig_getargs $1`
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for _arg in $_tmpargs; do
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case $_arg in
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[Nn][Oo][Aa][Uu][Tt][Oo])
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return 1
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;;
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esac
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done
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return 0
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}
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# dhcpif if
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# Returns 0 if the interface is a DHCP interface and 1 otherwise.
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dhcpif()
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{
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_tmpargs=`_ifconfig_getargs $1`
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for _arg in $_tmpargs; do
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case $_arg in
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[Dd][Hh][Cc][Pp])
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return 0
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;;
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[Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
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return 0
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;;
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[Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
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return 0
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;;
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esac
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done
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return 1
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}
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# syncdhcpif
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# Returns 0 if the interface should be configured synchronously and
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# 1 otherwise.
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syncdhcpif()
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{
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_tmpargs=`_ifconfig_getargs $1`
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for _arg in $_tmpargs; do
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case $_arg in
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[Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
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return 1
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;;
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[Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
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return 0
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;;
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esac
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done
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if checkyesno synchronous_dhclient; then
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return 0
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else
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return 1
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fi
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}
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# wpaif if
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# Returns 0 if the interface is a WPA interface and 1 otherwise.
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wpaif()
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{
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_tmpargs=`_ifconfig_getargs $1`
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for _arg in $_tmpargs; do
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case $_arg in
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[Ww][Pp][Aa])
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return 0
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;;
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esac
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done
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return 1
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}
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# ipv6if if
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# Returns 0 if the interface should be configured for IPv6 and
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# 1 otherwise.
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ipv6if()
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{
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if ! checkyesno ipv6_enable; then
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return 1
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fi
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case "${ipv6_network_interfaces}" in
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[Aa][Uu][Tt][Oo])
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return 0
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;;
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''|[Nn][Oo][Nn][Ee])
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return 1
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;;
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esac
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for v6if in ${ipv6_network_interfaces}; do
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if [ "${v6if}" = "${1}" ]; then
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return 0
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fi
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done
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return 1
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}
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# ifexists if
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# Returns 0 if the interface exists and 1 otherwise.
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ifexists()
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{
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ifconfig -n $1 > /dev/null 2>&1
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}
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# ipv4_up if
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# add IPv4 addresses to the interface $if
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ipv4_up()
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{
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_if=$1
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ifalias_up ${_if}
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ipv4_addrs_common ${_if} alias
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}
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# ipv4_down if
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# remove IPv4 addresses from the interface $if
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ipv4_down()
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{
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_if=$1
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_ifs="^"
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_ret=1
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ifexists ${_if} || return 1
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inetList="`ifconfig ${_if} | grep 'inet ' | tr "\n" "$_ifs"`"
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oldifs="$IFS"
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IFS="$_ifs"
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for _inet in $inetList ; do
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# get rid of extraneous line
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[ -z "$_inet" ] && break
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_inet=`expr "$_inet" : '.*\(inet \([0-9]\{1,3\}\.\)\{3\}[0-9]\{1,3\}\).*'`
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IFS="$oldifs"
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ifconfig ${_if} ${_inet} delete
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IFS="$_ifs"
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_ret=0
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done
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IFS="$oldifs"
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ifalias_down ${_if} && _ret=0
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ipv4_addrs_common ${_if} -alias && _ret=0
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return $_ret
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}
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# ipv4_addrs_common if action
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# Evaluate the ifconfig_if_ipv4 arguments for interface $if
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# and use $action to add or remove IPv4 addresses from $if.
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ipv4_addrs_common()
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{
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_ret=1
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_if=$1
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_action=$2
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# get ipv4-addresses
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cidr_addr=`get_if_var $_if ipv4_addrs_IF`
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for _cidr in ${cidr_addr}; do
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_ipaddr=${_cidr%%/*}
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_netmask="/"${_cidr##*/}
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_range=${_ipaddr##*.}
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_ipnet=${_ipaddr%.*}
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_iplow=${_range%-*}
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_iphigh=${_range#*-}
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# clear netmask when removing aliases
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if [ "${_action}" = "-alias" ]; then
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_netmask=""
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fi
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_ipcount=${_iplow}
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while [ "${_ipcount}" -le "${_iphigh}" ]; do
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eval "ifconfig ${_if} ${_action} ${_ipnet}.${_ipcount}${_netmask}"
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_ipcount=$((${_ipcount}+1))
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_ret=0
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# only the first ipaddr in a subnet need the real netmask
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if [ "${_action}" != "-alias" ]; then
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_netmask="/32"
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fi
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done
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done
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return $_ret
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}
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# ifalias_up if
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# Configure aliases for network interface $if.
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# It returns 0 if at least one alias was configured or
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# 1 if there were none.
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#
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ifalias_up()
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{
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_ret=1
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alias=0
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while : ; do
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ifconfig_args=`get_if_var $1 ifconfig_IF_alias${alias}`
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if [ -n "${ifconfig_args}" ]; then
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ifconfig $1 ${ifconfig_args} alias
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alias=$((${alias} + 1))
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_ret=0
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else
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break
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fi
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done
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return $_ret
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}
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#ifalias_down if
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# Remove aliases for network interface $if.
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# It returns 0 if at least one alias was removed or
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# 1 if there were none.
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#
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ifalias_down()
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{
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_ret=1
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alias=0
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while : ; do
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ifconfig_args=`get_if_var $1 ifconfig_IF_alias${alias}`
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if [ -n "${ifconfig_args}" ]; then
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ifconfig $1 ${ifconfig_args} -alias
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alias=$((${alias} + 1))
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_ret=0
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else
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break
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fi
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done
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return $_ret
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}
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# ifscript_up if
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# Evaluate a startup script for the $if interface.
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# It returns 0 if a script was found and processed or
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# 1 if no script was found.
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#
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ifscript_up()
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{
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if [ -r /etc/start_if.$1 ]; then
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. /etc/start_if.$1
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return 0
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fi
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return 1
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}
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# ifscript_down if
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# Evaluate a shutdown script for the $if interface.
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# It returns 0 if a script was found and processed or
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# 1 if no script was found.
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#
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ifscript_down()
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{
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if [ -r /etc/stop_if.$1 ]; then
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. /etc/stop_if.$1
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return 0
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fi
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return 1
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}
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# Create cloneable interfaces.
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#
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clone_up()
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{
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_prefix=
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_list=
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for ifn in ${cloned_interfaces}; do
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ifconfig ${ifn} create
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if [ $? -eq 0 ]; then
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_list="${_list}${_prefix}${ifn}"
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[ -z "$_prefix" ] && _prefix=' '
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fi
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done
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debug "Cloned: ${_list}"
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}
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# Destroy cloned interfaces. Destroyed interfaces are echoed
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# to standard output.
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#
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clone_down()
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{
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_prefix=
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_list=
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for ifn in ${cloned_interfaces}; do
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ifconfig ${ifn} destroy
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if [ $? -eq 0 ]; then
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_list="${_list}${_prefix}${ifn}"
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[ -z "$_prefix" ] && _prefix=' '
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fi
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done
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debug "Destroyed clones: ${_list}"
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}
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# Create netgraph nodes.
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#
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ng_mkpeer() {
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ngctl -f - 2> /dev/null <<EOF
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mkpeer $*
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msg dummy nodeinfo
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EOF
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}
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ng_create_one() {
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ng_mkpeer $* | while read line; do
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t=`expr "${line}" : '.* name="\([a-z]*[0-9]*\)" .*'`
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if [ -n "${t}" ]; then
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echo ${t}
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return
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fi
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done
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}
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gif_up() {
|
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# The following must be removed once RELENG_7 is branched.
|
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case ${gif_interfaces} in
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[Nn][Oo])
|
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warn "gif_interfaces=\"NO\" is deprecated, use gif_interfaces=\"\" instead."
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gif_interfaces=""
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;;
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esac
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for i in ${gif_interfaces}; do
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peers=`get_if_var $i gifconfig_IF`
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case ${peers} in
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'')
|
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continue
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;;
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|
*)
|
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ifconfig $i create >/dev/null 2>&1
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ifconfig $i tunnel ${peers}
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ifconfig $i up
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;;
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esac
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|
done
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}
|
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|
|
# ng_fec_create ifn
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# Configure Fast EtherChannel for interface $ifn. Returns 0 if FEC
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# arguments were found and configured; returns !0 otherwise.
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ng_fec_create() {
|
|
local req_iface iface bogus
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|
req_iface="$1"
|
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|
|
ngctl shutdown ${req_iface}: > /dev/null 2>&1
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|
|
bogus=""
|
|
while true; do
|
|
iface=`ng_create_one fec dummy fec`
|
|
if [ -z "${iface}" ]; then
|
|
exit 2
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|
fi
|
|
if [ "${iface}" = "${req_iface}" ]; then
|
|
break
|
|
fi
|
|
bogus="${bogus} ${iface}"
|
|
done
|
|
|
|
for iface in ${bogus}; do
|
|
ngctl shutdown ${iface}:
|
|
done
|
|
}
|
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|
|
fec_up() {
|
|
for i in ${fec_interfaces}; do
|
|
ng_fec_create $i
|
|
for j in `get_if_var $i fecconfig_IF`; do
|
|
case ${j} in
|
|
'')
|
|
continue
|
|
;;
|
|
*)
|
|
ngctl msg ${i}: add_iface "\"${j}\""
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|
;;
|
|
esac
|
|
done
|
|
done
|
|
}
|
|
|
|
#
|
|
# ipx_up ifn
|
|
# Configure any IPX addresses for interface $ifn. Returns 0 if IPX
|
|
# arguments were found and configured; returns 1 otherwise.
|
|
#
|
|
ipx_up()
|
|
{
|
|
ifn="$1"
|
|
ifconfig_args=`get_if_var $ifn ifconfig_IF_ipx`
|
|
if [ -n "${ifconfig_args}" ]; then
|
|
ifconfig ${ifn} ${ifconfig_args}
|
|
return 0
|
|
fi
|
|
return 1
|
|
}
|
|
|
|
# ipx_down ifn
|
|
# Remove IPX addresses for interface $ifn. Returns 0 if IPX
|
|
# addresses were found and unconfigured. It returns 1, otherwise.
|
|
#
|
|
ipx_down()
|
|
{
|
|
[ -z "$1" ] && return 1
|
|
_ifs="^"
|
|
_ret=1
|
|
|
|
ifexists $1 || return 1
|
|
|
|
ipxList="`ifconfig $1 | grep 'ipx ' | tr "\n" "$_ifs"`"
|
|
|
|
oldifs="$IFS"
|
|
IFS="$_ifs"
|
|
for _ipx in $ipxList ; do
|
|
# get rid of extraneous line
|
|
[ -z "$_ipx" ] && break
|
|
|
|
_ipx=`expr "$_ipx" : '.*\(ipx [0-9a-h]\{1,8\}H*\.[0-9a-h]\{1,12\}\).*'`
|
|
|
|
IFS="$oldifs"
|
|
ifconfig $1 ${_ipx} delete
|
|
IFS="$_ifs"
|
|
_ret=0
|
|
done
|
|
IFS="$oldifs"
|
|
|
|
return $_ret
|
|
}
|
|
|
|
# ifnet_rename
|
|
# Rename all requested interfaces.
|
|
#
|
|
ifnet_rename()
|
|
{
|
|
|
|
_ifn_list="`ifconfig -l`"
|
|
[ -z "$_ifn_list" ] && return 0
|
|
for _if in ${_ifn_list} ; do
|
|
_ifname=`get_if_var $_if ifconfig_IF_name`
|
|
if [ ! -z "$_ifname" ]; then
|
|
ifconfig $_if name $_ifname
|
|
fi
|
|
done
|
|
return 0
|
|
}
|
|
|
|
#
|
|
# list_net_interfaces type
|
|
# List all network interfaces. The type of interface returned
|
|
# can be controlled by the type argument. The type
|
|
# argument can be any of the following:
|
|
# nodhcp - all interfaces, excluding DHCP configured interfaces
|
|
# dhcp - list only DHCP configured interfaces
|
|
# If no argument is specified all network interfaces are output.
|
|
# Note that the list will include cloned interfaces if applicable.
|
|
# Cloned interfaces must already exist to have a chance to appear
|
|
# in the list if ${network_interfaces} is set to `auto'.
|
|
#
|
|
list_net_interfaces()
|
|
{
|
|
type=$1
|
|
|
|
# Get a list of ALL the interfaces and make lo0 first if it's there.
|
|
#
|
|
case ${network_interfaces} in
|
|
[Aa][Uu][Tt][Oo])
|
|
_prefix=''
|
|
_autolist="`ifconfig -l`"
|
|
_lo=
|
|
for _if in ${_autolist} ; do
|
|
if autoif $_if; then
|
|
if [ "$_if" = "lo0" ]; then
|
|
_lo="lo0 "
|
|
else
|
|
_tmplist="${_tmplist}${_prefix}${_if}"
|
|
[ -z "$_prefix" ] && _prefix=' '
|
|
fi
|
|
fi
|
|
done
|
|
_tmplist="${_lo}${_tmplist}"
|
|
;;
|
|
*)
|
|
_tmplist="${network_interfaces} ${cloned_interfaces}"
|
|
;;
|
|
esac
|
|
|
|
if [ -z "$type" ]; then
|
|
echo $_tmplist
|
|
return 0
|
|
fi
|
|
|
|
# Separate out dhcp and non-dhcp interfaces
|
|
#
|
|
_aprefix=
|
|
_bprefix=
|
|
for _if in ${_tmplist} ; do
|
|
if dhcpif $_if; then
|
|
_dhcplist="${_dhcplist}${_aprefix}${_if}"
|
|
[ -z "$_aprefix" ] && _aprefix=' '
|
|
elif [ -n "`_ifconfig_getargs $_if`" ]; then
|
|
_nodhcplist="${_nodhcplist}${_bprefix}${_if}"
|
|
[ -z "$_bprefix" ] && _bprefix=' '
|
|
fi
|
|
done
|
|
|
|
case "$type" in
|
|
nodhcp)
|
|
echo $_nodhcplist
|
|
;;
|
|
dhcp)
|
|
echo $_dhcplist
|
|
;;
|
|
esac
|
|
return 0
|
|
}
|
|
|
|
hexdigit()
|
|
{
|
|
if [ $1 -lt 10 ]; then
|
|
echo $1
|
|
else
|
|
case $1 in
|
|
10) echo a ;;
|
|
11) echo b ;;
|
|
12) echo c ;;
|
|
13) echo d ;;
|
|
14) echo e ;;
|
|
15) echo f ;;
|
|
esac
|
|
fi
|
|
}
|
|
|
|
hexprint()
|
|
{
|
|
val=$1
|
|
str=''
|
|
|
|
dig=`hexdigit $((${val} & 15))`
|
|
str=${dig}${str}
|
|
val=$((${val} >> 4))
|
|
while [ ${val} -gt 0 ]; do
|
|
dig=`hexdigit $((${val} & 15))`
|
|
str=${dig}${str}
|
|
val=$((${val} >> 4))
|
|
done
|
|
|
|
echo ${str}
|
|
}
|
|
|
|
# Setup the interfaces for IPv6
|
|
network6_interface_setup()
|
|
{
|
|
interfaces=$*
|
|
rtsol_interfaces=''
|
|
case ${ipv6_gateway_enable} in
|
|
[Yy][Ee][Ss])
|
|
rtsol_available=no
|
|
;;
|
|
*)
|
|
rtsol_available=yes
|
|
;;
|
|
esac
|
|
for i in $interfaces; do
|
|
rtsol_interface=yes
|
|
prefix=`get_if_var $i ipv6_prefix_IF`
|
|
if [ -n "${prefix}" ]; then
|
|
rtsol_available=no
|
|
rtsol_interface=no
|
|
laddr=`network6_getladdr $i`
|
|
hostid=`expr "${laddr}" : 'fe80::\(.*\)%\(.*\)'`
|
|
for j in ${prefix}; do
|
|
address=$j\:${hostid}
|
|
ifconfig $i inet6 ${address} prefixlen 64 alias
|
|
|
|
case ${ipv6_gateway_enable} in
|
|
[Yy][Ee][Ss])
|
|
# subnet-router anycast address
|
|
# (rfc2373)
|
|
ifconfig $i inet6 $j:: prefixlen 64 \
|
|
alias anycast
|
|
;;
|
|
esac
|
|
done
|
|
fi
|
|
ipv6_ifconfig=`get_if_var $i ipv6_ifconfig_IF`
|
|
if [ -n "${ipv6_ifconfig}" ]; then
|
|
rtsol_available=no
|
|
rtsol_interface=no
|
|
ifconfig $i inet6 ${ipv6_ifconfig} alias
|
|
fi
|
|
|
|
if [ ${rtsol_available} = yes -a ${rtsol_interface} = yes ]
|
|
then
|
|
case ${i} in
|
|
lo0|gif[0-9]*|stf[0-9]*|faith[0-9]*|lp[0-9]*|sl[0-9]*|tun[0-9]*|pflog[0-9]*|pfsync[0-9]*)
|
|
;;
|
|
*)
|
|
rtsol_interfaces="${rtsol_interfaces} ${i}"
|
|
;;
|
|
esac
|
|
else
|
|
ifconfig $i inet6
|
|
fi
|
|
done
|
|
|
|
if [ ${rtsol_available} = yes -a -n "${rtsol_interfaces}" ]; then
|
|
# Act as endhost - automatically configured.
|
|
# You can configure only single interface, as
|
|
# specification assumes that autoconfigured host has
|
|
# single interface only.
|
|
sysctl net.inet6.ip6.accept_rtadv=1
|
|
set ${rtsol_interfaces}
|
|
ifconfig $1 up
|
|
rtsol ${rtsol_flags} $1
|
|
fi
|
|
|
|
for i in $interfaces; do
|
|
alias=0
|
|
while : ; do
|
|
ipv6_ifconfig=`get_if_var $i ipv6_ifconfig_IF_alias${alias}`
|
|
if [ -z "${ipv6_ifconfig}" ]; then
|
|
break;
|
|
fi
|
|
ifconfig $i inet6 ${ipv6_ifconfig} alias
|
|
alias=$((${alias} + 1))
|
|
done
|
|
done
|
|
}
|
|
|
|
# Setup IPv6 to IPv4 mapping
|
|
network6_stf_setup()
|
|
{
|
|
case ${stf_interface_ipv4addr} in
|
|
[Nn][Oo] | '')
|
|
;;
|
|
*)
|
|
# assign IPv6 addr and interface route for 6to4 interface
|
|
stf_prefixlen=$((16+${stf_interface_ipv4plen:-0}))
|
|
OIFS="$IFS"
|
|
IFS=".$IFS"
|
|
set ${stf_interface_ipv4addr}
|
|
IFS="$OIFS"
|
|
hexfrag1=`hexprint $(($1*256 + $2))`
|
|
hexfrag2=`hexprint $(($3*256 + $4))`
|
|
ipv4_in_hexformat="${hexfrag1}:${hexfrag2}"
|
|
case ${stf_interface_ipv6_ifid} in
|
|
[Aa][Uu][Tt][Oo] | '')
|
|
for i in ${ipv6_network_interfaces}; do
|
|
laddr=`network6_getladdr ${i}`
|
|
case ${laddr} in
|
|
'')
|
|
;;
|
|
*)
|
|
break
|
|
;;
|
|
esac
|
|
done
|
|
stf_interface_ipv6_ifid=`expr "${laddr}" : \
|
|
'fe80::\(.*\)%\(.*\)'`
|
|
case ${stf_interface_ipv6_ifid} in
|
|
'')
|
|
stf_interface_ipv6_ifid=0:0:0:1
|
|
;;
|
|
esac
|
|
;;
|
|
esac
|
|
ifconfig stf0 create >/dev/null 2>&1
|
|
ifconfig stf0 inet6 2002:${ipv4_in_hexformat}:${stf_interface_ipv6_slaid:-0}:${stf_interface_ipv6_ifid} \
|
|
prefixlen ${stf_prefixlen}
|
|
# disallow packets to malicious 6to4 prefix
|
|
route add -inet6 2002:e000:: -prefixlen 20 ::1 -reject
|
|
route add -inet6 2002:7f00:: -prefixlen 24 ::1 -reject
|
|
route add -inet6 2002:0000:: -prefixlen 24 ::1 -reject
|
|
route add -inet6 2002:ff00:: -prefixlen 24 ::1 -reject
|
|
;;
|
|
esac
|
|
}
|
|
|
|
# Setup static routes
|
|
network6_static_routes_setup()
|
|
{
|
|
# Set up any static routes.
|
|
case ${ipv6_defaultrouter} in
|
|
[Nn][Oo] | '')
|
|
;;
|
|
*)
|
|
ipv6_static_routes="default ${ipv6_static_routes}"
|
|
ipv6_route_default="default ${ipv6_defaultrouter}"
|
|
;;
|
|
esac
|
|
case ${ipv6_static_routes} in
|
|
[Nn][Oo] | '')
|
|
;;
|
|
*)
|
|
for i in ${ipv6_static_routes}; do
|
|
ipv6_route_args=`get_if_var $i ipv6_route_IF`
|
|
route add -inet6 ${ipv6_route_args}
|
|
done
|
|
;;
|
|
esac
|
|
}
|
|
|
|
# Setup faith
|
|
network6_faith_setup()
|
|
{
|
|
case ${ipv6_faith_prefix} in
|
|
[Nn][Oo] | '')
|
|
;;
|
|
*)
|
|
sysctl net.inet6.ip6.keepfaith=1
|
|
ifconfig faith0 create >/dev/null 2>&1
|
|
ifconfig faith0 up
|
|
for prefix in ${ipv6_faith_prefix}; do
|
|
prefixlen=`expr "${prefix}" : ".*/\(.*\)"`
|
|
case ${prefixlen} in
|
|
'')
|
|
prefixlen=96
|
|
;;
|
|
*)
|
|
prefix=`expr "${prefix}" : \
|
|
"\(.*\)/${prefixlen}"`
|
|
;;
|
|
esac
|
|
route add -inet6 ${prefix} -prefixlen ${prefixlen} ::1
|
|
route change -inet6 ${prefix} -prefixlen ${prefixlen} \
|
|
-ifp faith0
|
|
done
|
|
;;
|
|
esac
|
|
}
|
|
|
|
# Install the "default interface" to kernel, which will be used
|
|
# as the default route when there's no router.
|
|
network6_default_interface_setup()
|
|
{
|
|
# Choose IPv6 default interface if it is not clearly specified.
|
|
case ${ipv6_default_interface} in
|
|
'')
|
|
for i in ${ipv6_network_interfaces}; do
|
|
case $i in
|
|
lo0|faith[0-9]*)
|
|
continue
|
|
;;
|
|
esac
|
|
laddr=`network6_getladdr $i exclude_tentative`
|
|
case ${laddr} in
|
|
'')
|
|
;;
|
|
*)
|
|
ipv6_default_interface=$i
|
|
break
|
|
;;
|
|
esac
|
|
done
|
|
;;
|
|
esac
|
|
|
|
# Disallow unicast packets without outgoing scope identifiers,
|
|
# or route such packets to a "default" interface, if it is specified.
|
|
route add -inet6 fe80:: -prefixlen 10 ::1 -reject
|
|
case ${ipv6_default_interface} in
|
|
[Nn][Oo] | '')
|
|
route add -inet6 ff02:: -prefixlen 16 ::1 -reject
|
|
;;
|
|
*)
|
|
laddr=`network6_getladdr ${ipv6_default_interface}`
|
|
route add -inet6 ff02:: ${laddr} -prefixlen 16 -interface \
|
|
-cloning
|
|
|
|
# Disable installing the default interface with the
|
|
# case net.inet6.ip6.forwarding=0 and
|
|
# net.inet6.ip6.accept_rtadv=0, due to avoid conflict
|
|
# between the default router list and the manual
|
|
# configured default route.
|
|
case ${ipv6_gateway_enable} in
|
|
[Yy][Ee][Ss])
|
|
;;
|
|
*)
|
|
if [ `sysctl -n net.inet6.ip6.accept_rtadv` -eq 1 ]
|
|
then
|
|
ndp -I ${ipv6_default_interface}
|
|
fi
|
|
;;
|
|
esac
|
|
;;
|
|
esac
|
|
}
|
|
|
|
network6_getladdr()
|
|
{
|
|
ifconfig $1 2>/dev/null | while read proto addr rest; do
|
|
case ${proto} in
|
|
inet6)
|
|
case ${addr} in
|
|
fe80::*)
|
|
if [ -z "$2" ]; then
|
|
echo ${addr}
|
|
return
|
|
fi
|
|
case ${rest} in
|
|
*tentative*)
|
|
continue
|
|
;;
|
|
*)
|
|
echo ${addr}
|
|
return
|
|
esac
|
|
esac
|
|
esac
|
|
done
|
|
}
|