6913541fe4
AUTO the biggest mistake users made was leaving lo0 off the list. Since lo0 is effectively mandatory, check for it and add it to the list if it's not there.
1107 lines
22 KiB
Plaintext
1107 lines
22 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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# ifn_start ifn
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# Bring up and configure an interface. If some configuration is applied
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# print the interface configuration.
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#
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ifn_start()
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{
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local ifn cfg
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ifn="$1"
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cfg=1
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[ -z "$ifn" ] && err 1 "ifn_start called without an interface"
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ifscript_up ${ifn} && cfg=0
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ifconfig_up ${ifn} && cfg=0
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ipv4_up ${ifn} && cfg=0
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ipx_up ${ifn} && cfg=0
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childif_create ${ifn}
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return $cfg
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}
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# ifn_start ifn
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# Shutdown and de-configure an interface. If action is taken print the
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# interface name.
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#
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ifn_stop()
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{
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local ifn cfg
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ifn="$1"
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cfg=1
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[ -z "$ifn" ] && return 1
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ipx_down ${ifn} && cfg=0
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ipv4_down ${ifn} && cfg=0
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ifconfig_down ${ifn} && cfg=0
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ifscript_down ${ifn} && cfg=0
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childif_destroy ${ifn}
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return $cfg
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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 ${ifconfig_args}
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ifconfig $1 up
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_cfg=0
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fi
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if wpaif $1; then
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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 `get_if_var ${ifn} create_args_IF`
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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
|
|
done
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|
debug "Cloned: ${_list}"
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}
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|
|
# Destroy cloned interfaces. Destroyed interfaces are echoed
|
|
# to standard output.
|
|
#
|
|
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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|
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# Create and configure child interfaces.
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# Return 0 if child interfaces are created.
|
|
#
|
|
childif_create()
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{
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local cfg child child_wlans create_args debug_flags ifn i
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cfg=1
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|
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ifn=$1
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|
|
# Create wireless interfaces
|
|
child_wlans=`get_if_var $ifn wlans_IF`
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|
|
|
for child in ${child_wlans}; do
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create_args="wlandev $ifn `get_if_var $child create_args_IF`"
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|
debug_flags="`get_if_var $child wlandebug_IF`"
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|
|
if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then
|
|
ifconfig $child create ${create_args} && cfg=0
|
|
if [ -n "${debug_flags}" ]; then
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|
wlandebug -i $child ${debug_flags}
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|
fi
|
|
else
|
|
i=`ifconfig wlan create ${create_args}`
|
|
if [ -n "${debug_flags}" ]; then
|
|
wlandebug -i $i ${debug_flags}
|
|
fi
|
|
ifconfig $i name $child && cfg=0
|
|
fi
|
|
if autoif $child; then
|
|
ifn_start $child
|
|
fi
|
|
done
|
|
|
|
return ${cfg}
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|
}
|
|
|
|
# Destroy child interfaces.
|
|
#
|
|
childif_destroy()
|
|
{
|
|
local cfg child child_wlans ifn
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|
|
|
child_wlans="`get_if_var $ifn wlans_IF` `get_if_var $ifn vaps_IF`"
|
|
for child in ${child_wlans}; do
|
|
ifconfig $child destroy && cfg=0
|
|
done
|
|
}
|
|
|
|
# Create netgraph nodes.
|
|
#
|
|
ng_mkpeer() {
|
|
ngctl -f - 2> /dev/null <<EOF
|
|
mkpeer $*
|
|
msg dummy nodeinfo
|
|
EOF
|
|
}
|
|
|
|
ng_create_one() {
|
|
ng_mkpeer $* | while read line; do
|
|
t=`expr "${line}" : '.* name="\([a-z]*[0-9]*\)" .*'`
|
|
if [ -n "${t}" ]; then
|
|
echo ${t}
|
|
return
|
|
fi
|
|
done
|
|
}
|
|
|
|
gif_up() {
|
|
for i in ${gif_interfaces}; do
|
|
peers=`get_if_var $i gifconfig_IF`
|
|
case ${peers} in
|
|
'')
|
|
continue
|
|
;;
|
|
*)
|
|
if expr $i : 'gif[0-9][0-9]*$' >/dev/null 2>&1; then
|
|
ifconfig $i create >/dev/null 2>&1
|
|
else
|
|
gif=`ifconfig gif create`
|
|
ifconfig $gif name $i
|
|
fi
|
|
ifconfig $i tunnel ${peers}
|
|
ifconfig $i up
|
|
;;
|
|
esac
|
|
done
|
|
}
|
|
|
|
# ng_fec_create ifn
|
|
# Configure Fast EtherChannel for interface $ifn. Returns 0 if FEC
|
|
# arguments were found and configured; returns !0 otherwise.
|
|
ng_fec_create() {
|
|
local req_iface iface bogus
|
|
req_iface="$1"
|
|
|
|
ngctl shutdown ${req_iface}: > /dev/null 2>&1
|
|
|
|
bogus=""
|
|
while true; do
|
|
iface=`ng_create_one fec dummy fec`
|
|
if [ -z "${iface}" ]; then
|
|
exit 2
|
|
fi
|
|
if [ "${iface}" = "${req_iface}" ]; then
|
|
break
|
|
fi
|
|
bogus="${bogus} ${iface}"
|
|
done
|
|
|
|
for iface in ${bogus}; do
|
|
ngctl shutdown ${iface}:
|
|
done
|
|
}
|
|
|
|
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}\""
|
|
;;
|
|
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} ${cloned_interfaces}"
|
|
|
|
# lo0 is effectively mandatory, so help prevent foot-shooting
|
|
#
|
|
case "$_tmplist" in
|
|
lo0*|*lo0|*' lo0 '*) ;; # This is fine, do nothing
|
|
*) _tmplist="lo0 ${_tmplist}" ;;
|
|
esac
|
|
;;
|
|
esac
|
|
|
|
if [ -z "$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
|
|
}
|
|
|
|
# get_default_if -address_family
|
|
# Get the interface of the default route for the given address family.
|
|
# The -address_family argument must be suitable passing to route(8).
|
|
#
|
|
get_default_if()
|
|
{
|
|
routeget="`route -n get $1 default 2>/dev/null`"
|
|
oldifs="$IFS"
|
|
IFS="
|
|
"
|
|
defif=
|
|
for line in $routeget ; do
|
|
case $line in
|
|
*interface:*)
|
|
defif=${line##*: }
|
|
;;
|
|
esac
|
|
done
|
|
IFS=${oldifs}
|
|
|
|
echo $defif
|
|
}
|
|
|
|
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}
|
|
}
|
|
|
|
is_wired_interface()
|
|
{
|
|
local media
|
|
|
|
case `ifconfig $1 2>/dev/null` in
|
|
*media:?Ethernet*) media=Ethernet ;;
|
|
esac
|
|
|
|
test "$media" = "Ethernet"
|
|
}
|
|
|
|
# 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
|
|
|
|
# Wireless NIC cards are virtualized through the wlan interface
|
|
if ! is_wired_interface ${i}; then
|
|
case "${i}" in
|
|
wlan*) rtsol_available=yes ;;
|
|
*) rtsol_available=no ;;
|
|
esac
|
|
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
|
|
}
|