2 # Copyright (c) 2003 The FreeBSD Project. All rights reserved.
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions
7 # 1. Redistributions of source code must retain the above copyright
8 # notice, this list of conditions and the following disclaimer.
9 # 2. Redistributions in binary form must reproduce the above copyright
10 # notice, this list of conditions and the following disclaimer in the
11 # documentation and/or other materials provided with the distribution.
13 # THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
14 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 # ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
17 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 # Subroutines commonly used from network startup scripts.
30 # Requires that rc.conf be loaded first.
34 # Bring up and configure an interface. If some configuration is
35 # applied print the interface configuration.
43 [ -z "$ifn" ] && err 1 "ifn_start called without an interface"
45 ifscript_up ${ifn} && cfg=0
46 ifconfig_up ${ifn} && cfg=0
47 ipv4_up ${ifn} && cfg=0
48 ipv6_up ${ifn} && cfg=0
49 ipx_up ${ifn} && cfg=0
50 childif_create ${ifn} && cfg=0
56 # Shutdown and de-configure an interface. If action is taken
57 # print the interface name.
65 [ -z "$ifn" ] && err 1 "ifn_stop called without an interface"
67 ipx_down ${ifn} && cfg=0
68 ipv6_down ${ifn} && cfg=0
69 ipv4_down ${ifn} && cfg=0
70 ifconfig_down ${ifn} && cfg=0
71 ifscript_down ${ifn} && cfg=0
72 childif_destroy ${ifn} && cfg=0
78 # Evaluate ifconfig(8) arguments for interface $if and
79 # run ifconfig(8) with those arguments. It returns 0 if
80 # arguments were found and executed or 1 if the interface
81 # had no arguments. Pseudo arguments DHCP and WPA are handled
86 local _cfg _ipv6_opts ifconfig_args
90 ifconfig_args=`ifconfig_getargs $1`
91 if [ -n "${ifconfig_args}" ]; then
92 ifconfig $1 ${ifconfig_args}
97 if afexists inet6; then
99 if checkyesno ipv6_gateway_enable; then
100 _ipv6_opts="-accept_rtadv"
103 if checkyesno ipv6_prefer; then
104 _ipv6_opts="-ifdisabled"
106 _ipv6_opts="ifdisabled"
109 # backward compatibility: $ipv6_enable
112 _ipv6_opts="${_ipv6_opts} accept_rtadv"
117 if [ -n "${_ipv6_opts}" ]; then
118 ifconfig $1 inet6 ${_ipv6_opts}
122 ifconfig_args=`ifconfig_getargs $1 ipv6`
123 if [ -n "${ifconfig_args}" ]; then
124 ifconfig $1 inet6 -ifdisabled
125 ifconfig $1 ${ifconfig_args}
129 # backward compatiblity: $ipv6_ifconfig_IF
130 ifconfig_args=`get_if_var $1 ipv6_ifconfig_IF`
131 if [ -n "${ifconfig_args}" ]; then
132 warn "\$ipv6_ifconfig_$1 is obsolete." \
133 " Use ifconfig_$1_ipv6 instead."
134 ifconfig $1 inet6 -ifdisabled
135 ifconfig $1 inet6 ${ifconfig_args}
140 if [ ${_cfg} -eq 0 ]; then
145 /etc/rc.d/wpa_supplicant start $1
146 _cfg=0 # XXX: not sure this should count
150 if [ $_cfg -ne 0 ] ; then
153 if syncdhcpif $1; then
154 /etc/rc.d/dhclient start $1
163 # returns 1 if wpa_supplicant or dhclient was stopped or
164 # the interface exists.
172 /etc/rc.d/wpa_supplicant stop $1
177 /etc/rc.d/dhclient stop $1
189 # get_if_var if var [default]
190 # Return the value of the pseudo-hash corresponding to $if where
191 # $var is a string containg the sub-string "IF" which will be
192 # replaced with $if after the characters defined in _punct are
193 # replaced with '_'. If the variable is unset, replace it with
197 local _if _punct _var _default prefix suffix
199 if [ $# -ne 2 -a $# -ne 3 ]; then
200 err 3 'USAGE: get_if_var name var [default]'
205 for _punct_c in $_punct; do
206 _if=`ltr ${_if} ${_punct_c} '_'`
213 eval echo \${${prefix}${_if}${suffix}-${_default}}
216 # _ifconfig_getargs if [af]
217 # Echos the arguments for the supplied interface to stdout.
218 # returns 1 if empty. In general, ifconfig_getargs should be used
226 if [ -z "$_ifn" ]; then
230 get_if_var $_ifn ifconfig_IF$_af "$ifconfig_DEFAULT"
233 # ifconfig_getargs if [af]
234 # Takes the result from _ifconfig_getargs and removes pseudo
235 # args such as DHCP and WPA.
238 local _tmpargs _arg _args
239 _tmpargs=`_ifconfig_getargs $1 $2`
240 if [ $? -eq 1 ]; then
245 for _arg in $_tmpargs; do
248 [Nn][Oo][Aa][Uu][Tt][Oo]) ;;
249 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]) ;;
250 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]) ;;
262 # Returns 0 if the interface should be automaticly configured at
263 # boot time and 1 otherwise.
267 _tmpargs=`_ifconfig_getargs $1`
269 for _arg in $_tmpargs; do
271 [Nn][Oo][Aa][Uu][Tt][Oo])
281 # Returns 0 if the interface is a DHCP interface and 1 otherwise.
285 _tmpargs=`_ifconfig_getargs $1`
287 for _arg in $_tmpargs; do
292 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
295 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
305 # Returns 0 if the interface should be configured synchronously and
310 _tmpargs=`_ifconfig_getargs $1`
312 for _arg in $_tmpargs; do
314 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
317 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
323 checkyesno synchronous_dhclient
327 # Returns 0 if the interface is a WPA interface and 1 otherwise.
331 _tmpargs=`_ifconfig_getargs $1`
333 for _arg in $_tmpargs; do
345 # Returns 0 if the address family is enabled in the kernel
354 ${SYSCTL_N} net.inet > /dev/null 2>&1
357 ${SYSCTL_N} net.inet6 > /dev/null 2>&1
360 ${SYSCTL_N} net.ipx > /dev/null 2>&1
363 if [ -x /sbin/atmconfig ]; then
364 /sbin/atmconfig diag list > /dev/null 2>&1
370 err 1 "afexists(): Unsupported address family: $_af"
376 # Returns 0 if the interface has no af configuration and 1 otherwise.
402 # Returns 0 if the interface should be configured for IPv6 and
409 if ! afexists inet6; then
413 # lo0 is always IPv6-enabled
420 # True if $ifconfig_IF_ipv6 is defined.
421 _tmpargs=`_ifconfig_getargs $_if ipv6`
422 if [ -n "${_tmpargs}" ]; then
426 # backward compatibility: True if $ipv6_ifconfig_IF is defined.
427 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
428 if [ -n "${_tmpargs}" ]; then
432 case "${ipv6_network_interfaces}" in
441 for i in ${ipv6_network_interfaces}; do
442 if [ "$i" = "$_if" ]; then
451 # Returns 0 if the interface should be configured for IPv6 with
452 # Stateless Address Configuration, 1 otherwise.
455 local _if _tmpargs _arg
458 if ! ipv6if $_if; then
464 if checkyesno ipv6_gateway_enable; then
467 _tmpargs=`get_if_var $_if ipv6_prefix_IF`
468 if [ -n "${_tmpargs}" ]; then
484 # backward compatibility: $ipv6_enable
491 _tmpargs=`_ifconfig_getargs $_if ipv6`
492 for _arg in $_tmpargs; do
500 # backward compatibility: $ipv6_ifconfig_IF
501 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
502 for _arg in $_tmpargs; do
514 # Returns 0 if the interface exists and 1 otherwise.
517 [ -z "$1" ] && return 1
518 ifconfig -n $1 > /dev/null 2>&1
522 # add IPv4 addresses to the interface $if
529 ifalias_up ${_if} inet && _ret=0
530 ipv4_addrs_common ${_if} alias && _ret=0
536 # add IPv6 addresses to the interface $if
543 if ! ipv6if $_if; then
547 ifalias_up ${_if} inet6 && _ret=0
548 ipv6_prefix_hostid_addr_up ${_if} && _ret=0
549 ipv6_accept_rtadv_up ${_if} && _ret=0
552 sleep `${SYSCTL_N} net.inet6.ip6.dad_count`
559 # remove IPv4 addresses from the interface $if
562 local _if _ifs _ret inetList oldifs _inet
567 inetList="`ifconfig ${_if} | grep 'inet ' | tr "\n" "$_ifs"`"
571 for _inet in $inetList ; do
572 # get rid of extraneous line
573 [ -z "$_inet" ] && break
575 _inet=`expr "$_inet" : '.*\(inet \([0-9]\{1,3\}\.\)\{3\}[0-9]\{1,3\}\).*'`
578 ifconfig ${_if} ${_inet} delete
584 ifalias_down ${_if} inet && _ret=0
585 ipv4_addrs_common ${_if} -alias && _ret=0
591 # remove IPv6 addresses from the interface $if
594 local _if _ifs _ret inetList oldifs _inet6
599 if ! ipv6if $_if; then
603 ipv6_accept_rtadv_down ${_if} && _ret=0
604 ifalias_down ${_if} inet6 && _ret=0
606 inetList="`ifconfig ${_if} | grep 'inet6 ' | tr "\n" "$_ifs"`"
610 for _inet6 in $inetList ; do
611 # get rid of extraneous line
612 [ -z "$_inet6" ] && break
614 _inet6=`expr "$_inet6" : '.*\(inet6 \([0-9a-f:]*\)\).*'`
617 ifconfig ${_if} ${_inet6} -alias
626 # ipv4_addrs_common if action
627 # Evaluate the ifconfig_if_ipv4 arguments for interface $if and
628 # use $action to add or remove IPv4 addresses from $if.
631 local _ret _if _action _cidr _cidr_addr
632 local _ipaddr _netmask _range _ipnet _iplow _iphigh _ipcount
638 cidr_addr=`get_if_var $_if ipv4_addrs_IF`
640 for _cidr in ${cidr_addr}; do
642 _netmask="/"${_cidr##*/}
643 _range=${_ipaddr##*.}
648 # clear netmask when removing aliases
649 if [ "${_action}" = "-alias" ]; then
654 while [ "${_ipcount}" -le "${_iphigh}" ]; do
655 eval "ifconfig ${_if} ${_action} ${_ipnet}.${_ipcount}${_netmask}"
656 _ipcount=$((${_ipcount}+1))
659 # only the first ipaddr in a subnet need the real netmask
660 if [ "${_action}" != "-alias" ]; then
670 # Configure aliases for network interface $if.
671 # It returns 0 if at least one alias was configured or
672 # 1 if there were none.
681 _ret=`ifalias_ipv4_up "$1"`
684 _ret=`ifalias_ipv6_up "$1"`
692 # Helper function for ifalias_up(). Handles IPv4.
696 local _ret alias ifconfig_args
699 # ifconfig_IF_aliasN which starts with "inet"
702 ifconfig_args=`get_if_var $1 ifconfig_IF_alias${alias}`
703 case "${ifconfig_args}" in
705 ifconfig $1 ${ifconfig_args} alias && _ret=0
711 alias=$((${alias} + 1))
718 # Helper function for ifalias_up(). Handles IPv6.
722 local _ret alias ifconfig_args
725 # ifconfig_IF_aliasN which starts with "inet6"
728 ifconfig_args=`get_if_var $1 ifconfig_IF_alias${alias}`
729 case "${ifconfig_args}" in
731 ifconfig $1 ${ifconfig_args} alias && _ret=0
737 alias=$((${alias} + 1))
740 # backward compatibility: ipv6_ifconfig_IF_aliasN.
743 ifconfig_args=`get_if_var $1 ipv6_ifconfig_IF_alias${alias}`
744 case "${ifconfig_args}" in
749 ifconfig $1 inet6 ${ifconfig_args} alias && _ret=0
750 warn "\$ipv6_ifconfig_$1_alias${alias} is obsolete." \
751 " Use ifconfig_$1_aliasN instead."
754 alias=$((${alias} + 1))
761 # Remove aliases for network interface $if.
762 # It returns 0 if at least one alias was removed or
763 # 1 if there were none.
772 _ret=`ifalias_ipv4_down "$1"`
775 _ret=`ifalias_ipv6_down "$1"`
782 # ifalias_ipv4_down if
783 # Helper function for ifalias_down(). Handles IPv4.
787 local _ret alias ifconfig_args
790 # ifconfig_IF_aliasN which starts with "inet"
793 ifconfig_args=`get_if_var $1 ifconfig_IF_alias${alias}`
794 case "${ifconfig_args}" in
796 ifconfig $1 ${ifconfig_args} -alias && _ret=0
802 alias=$((${alias} + 1))
808 # ifalias_ipv6_down if
809 # Helper function for ifalias_down(). Handles IPv6.
813 local _ret alias ifconfig_args
816 # ifconfig_IF_aliasN which starts with "inet6"
819 ifconfig_args=`get_if_var $1 ifconfig_IF_alias${alias}`
820 case "${ifconfig_args}" in
822 ifconfig $1 ${ifconfig_args} -alias && _ret=0
828 alias=$((${alias} + 1))
831 # backward compatibility: ipv6_ifconfig_IF_aliasN.
834 ifconfig_args=`get_if_var $1 ipv6_ifconfig_IF_alias${alias}`
835 case "${ifconfig_args}" in
840 ifconfig $1 inet6 ${ifconfig_args} -alias && _ret=0
841 warn "\$ipv6_ifconfig_$1_alias${alias} is obsolete." \
842 " Use ifconfig_$1_aliasN instead."
845 alias=$((${alias} + 1))
851 # ipv6_prefix_hostid_addr_up if
852 # add IPv6 prefix + hostid addr to the interface $if
853 ipv6_prefix_hostid_addr_up()
855 local _if prefix laddr hostid j address
857 prefix=`get_if_var ${_if} ipv6_prefix_IF`
859 if [ -n "${prefix}" ]; then
860 laddr=`network6_getladdr ${_if}`
861 hostid=${laddr#fe80::}
864 for j in ${prefix}; do
865 address=$j\:${hostid}
866 ifconfig ${_if} inet6 ${address} prefixlen 64 alias
868 # if I am a router, add subnet router
869 # anycast address (RFC 2373).
870 if checkyesno ipv6_gateway_enable; then
871 ifconfig ${_if} inet6 $j:: prefixlen 64 \
878 # ipv6_accept_rtadv_up if
879 # Enable accepting Router Advertisement and send Router
880 # Solicitation message
881 ipv6_accept_rtadv_up()
883 if ipv6_autoconfif $1; then
884 ifconfig $1 inet6 accept_rtadv up
885 rtsol ${rtsol_flags} $1
889 # ipv6_accept_rtadv_down if
890 # Disable accepting Router Advertisement
891 ipv6_accept_rtadv_down()
893 if ipv6_autoconfif $1; then
894 ifconfig $1 inet6 -accept_rtadv
899 # Evaluate a startup script for the $if interface.
900 # It returns 0 if a script was found and processed or
901 # 1 if no script was found.
905 if [ -r /etc/start_if.$1 ]; then
914 # Evaluate a shutdown script for the $if interface.
915 # It returns 0 if a script was found and processed or
916 # 1 if no script was found.
920 if [ -r /etc/stop_if.$1 ]; then
929 # Create cloneable interfaces.
933 local _prefix _list ifn
938 for ifn in ${cloned_interfaces}; do
939 ifconfig ${ifn} create `get_if_var ${ifn} create_args_IF`
940 if [ $? -eq 0 ]; then
941 _list="${_list}${_prefix}${ifn}"
942 [ -z "$_prefix" ] && _prefix=' '
945 debug "Cloned: ${_list}"
949 # Destroy cloned interfaces. Destroyed interfaces are echoed to
954 local _prefix _list ifn
958 for ifn in ${cloned_interfaces}; do
959 ifconfig ${ifn} destroy
960 if [ $? -eq 0 ]; then
961 _list="${_list}${_prefix}${ifn}"
962 [ -z "$_prefix" ] && _prefix=' '
965 debug "Destroyed clones: ${_list}"
969 # Create and configure child interfaces. Return 0 if child
970 # interfaces are created.
974 local cfg child child_vlans child_wlans create_args debug_flags ifn i
978 # Create wireless interfaces
979 child_wlans=`get_if_var $ifn wlans_IF`
981 for child in ${child_wlans}; do
982 create_args="wlandev $ifn `get_if_var $child create_args_IF`"
983 debug_flags="`get_if_var $child wlandebug_IF`"
985 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then
986 ifconfig $child create ${create_args} && cfg=0
987 if [ -n "${debug_flags}" ]; then
988 wlandebug -i $child ${debug_flags}
991 i=`ifconfig wlan create ${create_args}`
992 if [ -n "${debug_flags}" ]; then
993 wlandebug -i $i ${debug_flags}
995 ifconfig $i name $child && cfg=0
997 if autoif $child; then
1002 # Create vlan interfaces
1003 child_vlans=`get_if_var $ifn vlans_IF`
1005 if [ -n "${child_vlans}" ]; then
1009 for child in ${child_vlans}; do
1010 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1011 child="${ifn}.${child}"
1012 create_args=`get_if_var $child create_args_IF`
1013 ifconfig $child create ${create_args} && cfg=0
1015 create_args="vlandev $ifn `get_if_var $child create_args_IF`"
1016 if expr $child : 'vlan[0-9][0-9]*$' >/dev/null 2>&1; then
1017 ifconfig $child create ${create_args} && cfg=0
1019 i=`ifconfig vlan create ${create_args}`
1020 ifconfig $i name $child && cfg=0
1023 if autoif $child; then
1032 # Destroy child interfaces.
1036 local cfg child child_vlans child_wlans ifn
1039 child_wlans=`get_if_var $ifn wlans_IF`
1040 for child in ${child_wlans}; do
1041 if ! ifexists $child; then
1044 if autoif $child; then
1047 ifconfig $child destroy && cfg=0
1050 child_vlans=`get_if_var $ifn vlans_IF`
1051 for child in ${child_vlans}; do
1052 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1053 child="${ifn}.${child}"
1055 if ! ifexists $child; then
1058 if autoif $child; then
1061 ifconfig $child destroy && cfg=0
1068 # Create netgraph nodes.
1072 ngctl -f - 2> /dev/null <<EOF
1079 # Create netgraph nodes.
1085 ng_mkpeer $* | while read line; do
1086 t=`expr "${line}" : '.* name="\([a-z]*[0-9]*\)" .*'`
1087 if [ -n "${t}" ]; then
1095 # Create gif(4) tunnel interfaces.
1100 for i in ${gif_interfaces}; do
1101 peers=`get_if_var $i gifconfig_IF`
1107 if expr $i : 'gif[0-9][0-9]*$' >/dev/null 2>&1; then
1108 ifconfig $i create >/dev/null 2>&1
1110 gif=`ifconfig gif create`
1111 ifconfig $gif name $i
1113 ifconfig $i tunnel ${peers}
1121 # Configure Fast EtherChannel for interface $ifn. Returns 0 if
1122 # FEC arguments were found and configured; returns !0 otherwise.
1125 local req_iface iface bogus
1128 ngctl shutdown ${req_iface}: > /dev/null 2>&1
1132 iface=`ng_create_one fec dummy fec`
1133 if [ -z "${iface}" ]; then
1136 if [ "${iface}" = "${req_iface}" ]; then
1139 bogus="${bogus} ${iface}"
1142 for iface in ${bogus}; do
1143 ngctl shutdown ${iface}:
1148 # Create Fast EtherChannel interfaces.
1153 for i in ${fec_interfaces}; do
1155 for j in `get_if_var $i fecconfig_IF`; do
1161 ngctl msg ${i}: add_iface "\"${j}\""
1169 # Configure any IPX addresses for interface $ifn. Returns 0 if
1170 # IPX arguments were found and configured; returns 1 otherwise.
1178 ifconfig_args=`_ifconfig_getargs $ifn ipx`
1179 if [ -n "${ifconfig_args}" ]; then
1180 ifconfig ${ifn} ${ifconfig_args}
1188 # Remove IPX addresses for interface $ifn. Returns 0 if IPX
1189 # addresses were found and unconfigured. It returns 1, otherwise.
1193 local _if _ifs _ret ipxList oldifs _ipx
1197 ipxList="`ifconfig ${_if} | grep 'ipx ' | tr "\n" "$_ifs"`"
1201 for _ipx in $ipxList ; do
1202 # get rid of extraneous line
1203 [ -z "$_ipx" ] && break
1205 _ipx=`expr "$_ipx" : '.*\(ipx [0-9a-h]\{1,8\}H*\.[0-9a-h]\{1,12\}\).*'`
1208 ifconfig ${_if} ${_ipx} delete
1218 # Rename all requested interfaces.
1225 for _if in `ifconfig -l`; do
1226 _ifname=`get_if_var $_if ifconfig_IF_name`
1227 if [ ! -z "$_ifname" ]; then
1228 ifconfig $_if name $_ifname
1235 # list_net_interfaces type
1236 # List all network interfaces. The type of interface returned
1237 # can be controlled by the type argument. The type
1238 # argument can be any of the following:
1239 # nodhcp - all interfaces, excluding DHCP configured interfaces
1240 # dhcp - list only DHCP configured interfaces
1241 # noautoconf - all interfaces, excluding IPv6 Stateless
1242 # Address Autoconf configured interfaces
1243 # autoconf - list only IPv6 Stateless Address Autoconf
1244 # configured interfaces
1245 # If no argument is specified all network interfaces are output.
1246 # Note that the list will include cloned interfaces if applicable.
1247 # Cloned interfaces must already exist to have a chance to appear
1248 # in the list if ${network_interfaces} is set to `auto'.
1250 list_net_interfaces()
1252 local type _tmplist _list _autolist _lo _if
1255 # Get a list of ALL the interfaces and make lo0 first if it's there.
1258 case ${network_interfaces} in
1260 _autolist="`ifconfig -l`"
1262 for _if in ${_autolist} ; do
1263 if autoif $_if; then
1264 if [ "$_if" = "lo0" ]; then
1267 _tmplist="${_tmplist} ${_if}"
1271 _tmplist="${_lo}${_tmplist# }"
1274 _tmplist="${network_interfaces} ${cloned_interfaces}"
1276 # lo0 is effectively mandatory, so help prevent foot-shooting
1279 lo0|'lo0 '*|*' lo0'|*' lo0 '*) ;; # This is fine, do nothing
1280 *) _tmplist="lo0 ${_tmplist}" ;;
1288 for _if in ${_tmplist} ; do
1289 if ! dhcpif $_if && \
1290 [ -n "`_ifconfig_getargs $_if`" ]; then
1291 _list="${_list# } ${_if}"
1296 for _if in ${_tmplist} ; do
1297 if dhcpif $_if; then
1298 _list="${_list# } ${_if}"
1303 for _if in ${_tmplist} ; do
1304 if ! ipv6_autoconfif $_if && \
1305 [ -n "`_ifconfig_getargs $_if ipv6`" ]; then
1306 _list="${_list# } ${_if}"
1311 for _if in ${_tmplist} ; do
1312 if ipv6_autoconfif $_if; then
1313 _list="${_list# } ${_if}"
1327 # get_default_if -address_family
1328 # Get the interface of the default route for the given address family.
1329 # The -address_family argument must be suitable passing to route(8).
1333 local routeget oldifs defif line
1338 for line in `route -n get $1 default 2>/dev/null`; do
1351 # Echo decimal number $arg (single digit) in hexadecimal format.
1354 if [ $1 -lt 10 ]; then
1369 # Echo decimal number $arg (multiple digits) in hexadecimal format.
1375 dig=`hexdigit $((${val} & 15))`
1377 val=$((${val} >> 4))
1379 while [ ${val} -gt 0 ]; do
1380 dig=`hexdigit $((${val} & 15))`
1382 val=$((${val} >> 4))
1388 is_wired_interface()
1392 case `ifconfig $1 2>/dev/null` in
1393 *media:?Ethernet*) media=Ethernet ;;
1396 test "$media" = "Ethernet"
1399 # network6_getladdr if [flag]
1400 # Echo link-local address from $if if any.
1401 # If flag is defined, tentative ones will be excluded.
1404 local proto addr rest
1405 ifconfig $1 2>/dev/null | while read proto addr rest; do
1410 if [ -z "$2" ]; then