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 afexists inet && ipv4_up ${ifn} && cfg=0
48 afexists inet6 && ipv6_up ${ifn} && cfg=0
49 afexists ipx && 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 afexists ipx && ipx_down ${ifn} && cfg=0
68 afexists inet6 && ipv6_down ${ifn} && cfg=0
69 afexists inet && 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
89 # Make sure lo0 always comes up.
90 if [ "$1" = "lo0" ]; then
95 ifconfig_args=`ifconfig_getargs $1`
96 if [ -n "${ifconfig_args}" ]; then
97 eval ifconfig $1 ${ifconfig_args}
102 if afexists inet6; then
103 if checkyesno ipv6_activate_all_interfaces; then
104 _ipv6_opts="-ifdisabled"
105 elif [ "$1" != "lo0" ]; then
106 _ipv6_opts="ifdisabled"
109 # backward compatibility: $ipv6_enable
111 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
112 _ipv6_opts="${_ipv6_opts} accept_rtadv"
116 case $ipv6_cpe_wanif in
118 _ipv6_opts="${_ipv6_opts} -no_radr accept_rtadv"
122 if [ -n "${_ipv6_opts}" ]; then
123 ifconfig $1 inet6 ${_ipv6_opts}
127 ifconfig_args=`ifconfig_getargs $1 ipv6`
128 if [ -n "${ifconfig_args}" ]; then
129 # backward compatibility: inet6 keyword
130 case "${ifconfig_args}" in
132 warn "\$ifconfig_$1_ipv6 needs " \
133 "\"inet6\" keyword for an IPv6 address."
134 ifconfig_args="inet6 ${ifconfig_args}"
137 ifconfig $1 inet6 -ifdisabled
138 eval ifconfig $1 ${ifconfig_args}
142 # backward compatiblity: $ipv6_ifconfig_IF
143 ifconfig_args=`get_if_var $1 ipv6_ifconfig_IF`
144 if [ -n "${ifconfig_args}" ]; then
145 warn "\$ipv6_ifconfig_$1 is obsolete." \
146 " Use ifconfig_$1_ipv6 instead."
147 ifconfig $1 inet6 -ifdisabled
148 eval ifconfig $1 inet6 ${ifconfig_args}
153 if [ ${_cfg} -eq 0 ]; then
158 /etc/rc.d/wpa_supplicant start $1
159 _cfg=0 # XXX: not sure this should count
163 if [ $_cfg -ne 0 ] ; then
166 if syncdhcpif $1; then
167 /etc/rc.d/dhclient start $1
176 # returns 1 if wpa_supplicant or dhclient was stopped or
177 # the interface exists.
185 /etc/rc.d/wpa_supplicant stop $1
190 /etc/rc.d/dhclient stop $1
202 # get_if_var if var [default]
203 # Return the value of the pseudo-hash corresponding to $if where
204 # $var is a string containg the sub-string "IF" which will be
205 # replaced with $if after the characters defined in _punct are
206 # replaced with '_'. If the variable is unset, replace it with
210 local _if _punct _punct_c _var _default prefix suffix
212 if [ $# -ne 2 -a $# -ne 3 ]; then
213 err 3 'USAGE: get_if_var name var [default]'
218 for _punct_c in $_punct; do
219 _if=`ltr ${_if} ${_punct_c} '_'`
226 eval echo \${${prefix}${_if}${suffix}-${_default}}
229 # _ifconfig_getargs if [af]
230 # Prints the arguments for the supplied interface to stdout.
231 # Returns 1 if empty. In general, ifconfig_getargs should be used
239 if [ -z "$_ifn" ]; then
243 get_if_var $_ifn ifconfig_IF$_af "$ifconfig_DEFAULT"
246 # ifconfig_getargs if [af]
247 # Takes the result from _ifconfig_getargs and removes pseudo
248 # args such as DHCP and WPA.
251 local _tmpargs _arg _args
252 _tmpargs=`_ifconfig_getargs $1 $2`
253 if [ $? -eq 1 ]; then
258 for _arg in $_tmpargs; do
261 [Nn][Oo][Aa][Uu][Tt][Oo]) ;;
262 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]) ;;
263 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]) ;;
275 # Returns 0 if the interface should be automatically configured at
276 # boot time and 1 otherwise.
280 _tmpargs=`_ifconfig_getargs $1`
282 for _arg in $_tmpargs; do
284 [Nn][Oo][Aa][Uu][Tt][Oo])
294 # Returns 0 if the interface is a DHCP interface and 1 otherwise.
298 _tmpargs=`_ifconfig_getargs $1`
300 for _arg in $_tmpargs; do
305 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
308 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
318 # Returns 0 if the interface should be configured synchronously and
323 _tmpargs=`_ifconfig_getargs $1`
325 for _arg in $_tmpargs; do
327 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
330 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
336 checkyesno synchronous_dhclient
340 # Returns 0 if the interface is a WPA interface and 1 otherwise.
344 _tmpargs=`_ifconfig_getargs $1`
346 for _arg in $_tmpargs; do
358 # Returns 0 if the address family is enabled in the kernel
367 check_kern_features ${_af}
370 ${SYSCTL_N} net.ipx > /dev/null 2>&1
373 if [ -x /sbin/atmconfig ]; then
374 /sbin/atmconfig diag list > /dev/null 2>&1
380 err 1 "afexists(): Unsupported address family: $_af"
386 # Returns 0 if the interface has no af configuration and 1 otherwise.
413 # Returns 0 if the interface should be configured for IPv6 and
420 if ! afexists inet6; then
424 # lo0 is always IPv6-enabled
431 case "${ipv6_network_interfaces}" in
432 $_if|"$_if "*|*" $_if"|*" $_if "*|[Aa][Uu][Tt][Oo])
433 # True if $ifconfig_IF_ipv6 is defined.
434 _tmpargs=`_ifconfig_getargs $_if ipv6`
435 if [ -n "${_tmpargs}" ]; then
439 # backward compatibility: True if $ipv6_ifconfig_IF is defined.
440 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
441 if [ -n "${_tmpargs}" ]; then
451 # Returns 0 if the interface should be configured for IPv6 with
452 # Stateless Address Configuration; 1 otherwise.
455 local _if _tmpargs _arg
470 if ! ipv6if $_if; then
473 if checkyesno ipv6_gateway_enable; then
476 _tmpargs=`get_if_var $_if ipv6_prefix_IF`
477 if [ -n "${_tmpargs}" ]; then
480 # backward compatibility: $ipv6_enable
482 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
487 _tmpargs=`_ifconfig_getargs $_if ipv6`
488 for _arg in $_tmpargs; do
496 # backward compatibility: $ipv6_ifconfig_IF
497 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
498 for _arg in $_tmpargs; do
510 # Returns 0 if the interface exists and 1 otherwise.
513 [ -z "$1" ] && return 1
514 ifconfig -n $1 > /dev/null 2>&1
518 # add IPv4 addresses to the interface $if
525 # Add 127.0.0.1/8 to lo0 unless otherwise specified.
526 if [ "${_if}" = "lo0" ]; then
527 ifconfig_args=`ifconfig_getargs ${_if}`
528 if [ -z "${ifconfig_args}" ]; then
529 ifconfig ${_if} inet 127.0.0.1/8 alias
532 ifalias_up ${_if} inet && _ret=0
533 ipv4_addrs_common ${_if} alias && _ret=0
539 # add IPv6 addresses to the interface $if
546 if ! ipv6if $_if; then
550 ifalias_up ${_if} inet6 && _ret=0
551 ipv6_prefix_hostid_addr_up ${_if} && _ret=0
552 ipv6_accept_rtadv_up ${_if} && _ret=0
555 sleep `${SYSCTL_N} net.inet6.ip6.dad_count`
562 # remove IPv4 addresses from the interface $if
565 local _if _ifs _ret inetList oldifs _inet
570 inetList="`ifconfig ${_if} | grep 'inet ' | tr "\n" "$_ifs"`"
574 for _inet in $inetList ; do
575 # get rid of extraneous line
576 [ -z "$_inet" ] && break
578 _inet=`expr "$_inet" : '.*\(inet \([0-9]\{1,3\}\.\)\{3\}[0-9]\{1,3\}\).*'`
581 ifconfig ${_if} ${_inet} delete
587 ifalias_down ${_if} inet && _ret=0
588 ipv4_addrs_common ${_if} -alias && _ret=0
594 # remove IPv6 addresses from the interface $if
597 local _if _ifs _ret inetList oldifs _inet6
602 if ! ipv6if $_if; then
606 ipv6_accept_rtadv_down ${_if} && _ret=0
607 ifalias_down ${_if} inet6 && _ret=0
609 inetList="`ifconfig ${_if} | grep 'inet6 ' | tr "\n" "$_ifs"`"
613 for _inet6 in $inetList ; do
614 # get rid of extraneous line
615 [ -z "$_inet6" ] && break
617 _inet6=`expr "$_inet6" : '.*\(inet6 \([0-9a-f:]*\)\).*'`
620 ifconfig ${_if} ${_inet6} -alias
629 # ipv4_addrs_common if action
630 # Evaluate the ifconfig_if_ipv4 arguments for interface $if and
631 # use $action to add or remove IPv4 addresses from $if.
634 local _ret _if _action _cidr _cidr_addr
635 local _ipaddr _netmask _range _ipnet _iplow _iphigh _ipcount
641 cidr_addr=`get_if_var $_if ipv4_addrs_IF`
643 for _cidr in ${cidr_addr}; do
645 _netmask="/"${_cidr##*/}
646 _range=${_ipaddr##*.}
651 # clear netmask when removing aliases
652 if [ "${_action}" = "-alias" ]; then
657 while [ "${_ipcount}" -le "${_iphigh}" ]; do
658 eval "ifconfig ${_if} ${_action} ${_ipnet}.${_ipcount}${_netmask}"
659 _ipcount=$((${_ipcount}+1))
662 # only the first ipaddr in a subnet need the real netmask
663 if [ "${_action}" != "-alias" ]; then
673 # Configure aliases for network interface $if.
674 # It returns 0 if at least one alias was configured or
675 # 1 if there were none.
684 _ret=`ifalias_ipv4_up "$1"`
687 _ret=`ifalias_ipv6_up "$1"`
695 # Helper function for ifalias_up(). Handles IPv4.
699 local _ret alias ifconfig_args
702 # ifconfig_IF_aliasN which starts with "inet"
705 ifconfig_args=`get_if_var $1 ifconfig_IF_alias${alias}`
706 case "${ifconfig_args}" in
708 ifconfig $1 ${ifconfig_args} alias && _ret=0
714 alias=$((${alias} + 1))
721 # Helper function for ifalias_up(). Handles IPv6.
725 local _ret alias ifconfig_args
728 # ifconfig_IF_aliasN which starts with "inet6"
731 ifconfig_args=`get_if_var $1 ifconfig_IF_alias${alias}`
732 case "${ifconfig_args}" in
734 ifconfig $1 ${ifconfig_args} alias && _ret=0
740 alias=$((${alias} + 1))
743 # backward compatibility: ipv6_ifconfig_IF_aliasN.
746 ifconfig_args=`get_if_var $1 ipv6_ifconfig_IF_alias${alias}`
747 case "${ifconfig_args}" in
752 ifconfig $1 inet6 ${ifconfig_args} alias && _ret=0
753 warn "\$ipv6_ifconfig_$1_alias${alias} is obsolete." \
754 " Use ifconfig_$1_aliasN instead."
757 alias=$((${alias} + 1))
764 # Remove aliases for network interface $if.
765 # It returns 0 if at least one alias was removed or
766 # 1 if there were none.
775 _ret=`ifalias_ipv4_down "$1"`
778 _ret=`ifalias_ipv6_down "$1"`
785 # ifalias_ipv4_down if
786 # Helper function for ifalias_down(). Handles IPv4.
790 local _ret alias ifconfig_args
793 # ifconfig_IF_aliasN which starts with "inet"
796 ifconfig_args=`get_if_var $1 ifconfig_IF_alias${alias}`
797 case "${ifconfig_args}" in
799 ifconfig $1 ${ifconfig_args} -alias && _ret=0
805 alias=$((${alias} + 1))
811 # ifalias_ipv6_down if
812 # Helper function for ifalias_down(). Handles IPv6.
816 local _ret alias ifconfig_args
819 # ifconfig_IF_aliasN which starts with "inet6"
822 ifconfig_args=`get_if_var $1 ifconfig_IF_alias${alias}`
823 case "${ifconfig_args}" in
825 ifconfig $1 ${ifconfig_args} -alias && _ret=0
831 alias=$((${alias} + 1))
834 # backward compatibility: ipv6_ifconfig_IF_aliasN.
837 ifconfig_args=`get_if_var $1 ipv6_ifconfig_IF_alias${alias}`
838 case "${ifconfig_args}" in
843 ifconfig $1 inet6 ${ifconfig_args} -alias && _ret=0
844 warn "\$ipv6_ifconfig_$1_alias${alias} is obsolete." \
845 " Use ifconfig_$1_aliasN instead."
848 alias=$((${alias} + 1))
854 # ipv6_prefix_hostid_addr_up if
855 # add IPv6 prefix + hostid addr to the interface $if
856 ipv6_prefix_hostid_addr_up()
858 local _if prefix laddr hostid j address
860 prefix=`get_if_var ${_if} ipv6_prefix_IF`
862 if [ -n "${prefix}" ]; then
863 laddr=`network6_getladdr ${_if}`
864 hostid=${laddr#fe80::}
867 for j in ${prefix}; do
868 address=$j\:${hostid}
869 ifconfig ${_if} inet6 ${address} prefixlen 64 alias
871 # if I am a router, add subnet router
872 # anycast address (RFC 2373).
873 if checkyesno ipv6_gateway_enable; then
874 ifconfig ${_if} inet6 $j:: prefixlen 64 \
881 # ipv6_accept_rtadv_up if
882 # Enable accepting Router Advertisement and send Router
883 # Solicitation message
884 ipv6_accept_rtadv_up()
886 if ipv6_autoconfif $1; then
887 ifconfig $1 inet6 accept_rtadv up
888 if ! checkyesno rtsold_enable; then
889 rtsol ${rtsol_flags} $1
894 # ipv6_accept_rtadv_down if
895 # Disable accepting Router Advertisement
896 ipv6_accept_rtadv_down()
898 if ipv6_autoconfif $1; then
899 ifconfig $1 inet6 -accept_rtadv
904 # Evaluate a startup script for the $if interface.
905 # It returns 0 if a script was found and processed or
906 # 1 if no script was found.
910 if [ -r /etc/start_if.$1 ]; then
919 # Evaluate a shutdown script for the $if interface.
920 # It returns 0 if a script was found and processed or
921 # 1 if no script was found.
925 if [ -r /etc/stop_if.$1 ]; then
934 # Create cloneable interfaces.
938 local _prefix _list ifn
943 for ifn in ${cloned_interfaces}; do
944 ifconfig ${ifn} create `get_if_var ${ifn} create_args_IF`
945 if [ $? -eq 0 ]; then
946 _list="${_list}${_prefix}${ifn}"
947 [ -z "$_prefix" ] && _prefix=' '
950 debug "Cloned: ${_list}"
954 # Destroy cloned interfaces. Destroyed interfaces are echoed to
959 local _prefix _list ifn
963 for ifn in ${cloned_interfaces}; do
964 ifconfig -n ${ifn} destroy
965 if [ $? -eq 0 ]; then
966 _list="${_list}${_prefix}${ifn}"
967 [ -z "$_prefix" ] && _prefix=' '
970 debug "Destroyed clones: ${_list}"
974 # Create and configure child interfaces. Return 0 if child
975 # interfaces are created.
979 local cfg child child_vlans child_wlans create_args debug_flags ifn i
983 # Create wireless interfaces
984 child_wlans=`get_if_var $ifn wlans_IF`
986 for child in ${child_wlans}; do
987 create_args="wlandev $ifn `get_if_var $child create_args_IF`"
988 debug_flags="`get_if_var $child wlandebug_IF`"
990 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then
991 ifconfig $child create ${create_args} && cfg=0
992 if [ -n "${debug_flags}" ]; then
993 wlandebug -i $child ${debug_flags}
996 i=`ifconfig wlan create ${create_args}`
997 if [ -n "${debug_flags}" ]; then
998 wlandebug -i $i ${debug_flags}
1000 ifconfig $i name $child && cfg=0
1002 if autoif $child; then
1007 # Create vlan interfaces
1008 child_vlans=`get_if_var $ifn vlans_IF`
1010 if [ -n "${child_vlans}" ]; then
1014 for child in ${child_vlans}; do
1015 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1016 child="${ifn}.${child}"
1017 create_args=`get_if_var $child create_args_IF`
1018 ifconfig $child create ${create_args} && cfg=0
1020 create_args="vlandev $ifn `get_if_var $child create_args_IF`"
1021 if expr $child : 'vlan[0-9][0-9]*$' >/dev/null 2>&1; then
1022 ifconfig $child create ${create_args} && cfg=0
1024 i=`ifconfig vlan create ${create_args}`
1025 ifconfig $i name $child && cfg=0
1028 if autoif $child; then
1037 # Destroy child interfaces.
1041 local cfg child child_vlans child_wlans ifn
1044 child_wlans=`get_if_var $ifn wlans_IF`
1045 for child in ${child_wlans}; do
1046 if ! ifexists $child; then
1049 ifconfig -n $child destroy && cfg=0
1052 child_vlans=`get_if_var $ifn vlans_IF`
1053 for child in ${child_vlans}; do
1054 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1055 child="${ifn}.${child}"
1057 if ! ifexists $child; then
1060 ifconfig -n $child destroy && cfg=0
1067 # Create netgraph nodes.
1071 ngctl -f - 2> /dev/null <<EOF
1078 # Create netgraph nodes.
1084 ng_mkpeer $* | while read line; do
1085 t=`expr "${line}" : '.* name="\([a-z]*[0-9]*\)" .*'`
1086 if [ -n "${t}" ]; then
1094 # Create gif(4) tunnel interfaces.
1099 for i in ${gif_interfaces}; do
1100 peers=`get_if_var $i gifconfig_IF`
1106 if expr $i : 'gif[0-9][0-9]*$' >/dev/null 2>&1; then
1107 ifconfig $i create >/dev/null 2>&1
1109 gif=`ifconfig gif create`
1110 ifconfig $gif name $i
1112 ifconfig $i tunnel ${peers}
1120 # Configure Fast EtherChannel for interface $ifn. Returns 0 if
1121 # FEC arguments were found and configured; returns !0 otherwise.
1124 local req_iface iface bogus
1127 ngctl shutdown ${req_iface}: > /dev/null 2>&1
1131 iface=`ng_create_one fec dummy fec`
1132 if [ -z "${iface}" ]; then
1135 if [ "${iface}" = "${req_iface}" ]; then
1138 bogus="${bogus} ${iface}"
1141 for iface in ${bogus}; do
1142 ngctl shutdown ${iface}:
1147 # Create Fast EtherChannel interfaces.
1152 for i in ${fec_interfaces}; do
1154 for j in `get_if_var $i fecconfig_IF`; do
1160 ngctl msg ${i}: add_iface "\"${j}\""
1168 # Configure any IPX addresses for interface $ifn. Returns 0 if
1169 # IPX arguments were found and configured; returns 1 otherwise.
1177 ifconfig_args=`_ifconfig_getargs $ifn ipx`
1178 if [ -n "${ifconfig_args}" ]; then
1179 ifconfig ${ifn} ${ifconfig_args}
1187 # Remove IPX addresses for interface $ifn. Returns 0 if IPX
1188 # addresses were found and unconfigured. It returns 1, otherwise.
1192 local _if _ifs _ret ipxList oldifs _ipx
1196 ipxList="`ifconfig ${_if} | grep 'ipx ' | tr "\n" "$_ifs"`"
1200 for _ipx in $ipxList ; do
1201 # get rid of extraneous line
1202 [ -z "$_ipx" ] && break
1204 _ipx=`expr "$_ipx" : '.*\(ipx [0-9a-h]\{1,8\}H*\.[0-9a-h]\{1,12\}\).*'`
1207 ifconfig ${_if} ${_ipx} delete
1217 # Rename all requested interfaces.
1224 for _if in `ifconfig -l`; do
1225 _ifname=`get_if_var $_if ifconfig_IF_name`
1226 if [ ! -z "$_ifname" ]; then
1227 ifconfig $_if name $_ifname
1234 # list_net_interfaces type
1235 # List all network interfaces. The type of interface returned
1236 # can be controlled by the type argument. The type
1237 # argument can be any of the following:
1238 # nodhcp - all interfaces, excluding DHCP configured interfaces
1239 # dhcp - list only DHCP configured interfaces
1240 # noautoconf - all interfaces, excluding IPv6 Stateless
1241 # Address Autoconf configured interfaces
1242 # autoconf - list only IPv6 Stateless Address Autoconf
1243 # configured interfaces
1244 # If no argument is specified all network interfaces are output.
1245 # Note that the list will include cloned interfaces if applicable.
1246 # Cloned interfaces must already exist to have a chance to appear
1247 # in the list if ${network_interfaces} is set to `auto'.
1249 list_net_interfaces()
1251 local type _tmplist _list _autolist _lo _if
1254 # Get a list of ALL the interfaces and make lo0 first if it's there.
1257 case ${network_interfaces} in
1259 _autolist="`ifconfig -l`"
1261 for _if in ${_autolist} ; do
1262 if autoif $_if; then
1263 if [ "$_if" = "lo0" ]; then
1266 _tmplist="${_tmplist} ${_if}"
1270 _tmplist="${_lo}${_tmplist# }"
1273 _tmplist="${network_interfaces} ${cloned_interfaces}"
1275 # lo0 is effectively mandatory, so help prevent foot-shooting
1278 lo0|'lo0 '*|*' lo0'|*' lo0 '*) ;; # This is fine, do nothing
1279 *) _tmplist="lo0 ${_tmplist}" ;;
1287 for _if in ${_tmplist} ; do
1288 if ! dhcpif $_if && \
1289 [ -n "`_ifconfig_getargs $_if`" ]; then
1290 _list="${_list# } ${_if}"
1295 for _if in ${_tmplist} ; do
1296 if dhcpif $_if; then
1297 _list="${_list# } ${_if}"
1302 for _if in ${_tmplist} ; do
1303 if ! ipv6_autoconfif $_if && \
1304 [ -n "`_ifconfig_getargs $_if ipv6`" ]; then
1305 _list="${_list# } ${_if}"
1310 for _if in ${_tmplist} ; do
1311 if ipv6_autoconfif $_if; then
1312 _list="${_list# } ${_if}"
1326 # get_default_if -address_family
1327 # Get the interface of the default route for the given address family.
1328 # The -address_family argument must be suitable passing to route(8).
1332 local routeget oldifs defif line
1337 for line in `route -n get $1 default 2>/dev/null`; do
1350 # Echo decimal number $arg (single digit) in hexadecimal format.
1357 # Echo decimal number $arg (multiple digits) in hexadecimal format.
1363 is_wired_interface()
1367 case `ifconfig $1 2>/dev/null` in
1368 *media:?Ethernet*) media=Ethernet ;;
1371 test "$media" = "Ethernet"
1374 # network6_getladdr if [flag]
1375 # Echo link-local address from $if if any.
1376 # If flag is defined, tentative ones will be excluded.
1379 local proto addr rest
1380 ifconfig $1 2>/dev/null | while read proto addr rest; do
1385 if [ -z "$2" ]; then