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
27 IFCONFIG_CMD="/sbin/ifconfig"
28 : ${netif_ipexpand_max:=2048}
31 # Subroutines commonly used from network startup scripts.
32 # Requires that rc.conf be loaded first.
36 # Bring up and configure an interface. If some configuration is
37 # applied, print the interface configuration.
45 [ -z "$ifn" ] && err 1 "ifn_start called without an interface"
47 ifscript_up ${ifn} && cfg=0
48 ifconfig_up ${ifn} && cfg=0
49 if ! noafif $ifn; then
50 afexists inet && ipv4_up ${ifn} && cfg=0
51 afexists inet6 && ipv6_up ${ifn} && cfg=0
53 childif_create ${ifn} && cfg=0
59 # Shutdown and de-configure an interface. If action is taken,
60 # print the interface name.
68 [ -z "$ifn" ] && err 1 "ifn_stop called without an interface"
70 if ! noafif $ifn; then
71 afexists inet6 && ipv6_down ${ifn} && cfg=0
72 afexists inet && ipv4_down ${ifn} && cfg=0
74 ifconfig_down ${ifn} && cfg=0
75 ifscript_down ${ifn} && cfg=0
76 childif_destroy ${ifn} && cfg=0
82 # Move ifn to the specified vnet jail.
91 # Reclaim ifn from the specified vnet jail.
99 # ifn_vnet0 ifn action
100 # Helper function for ifn_vnetup and ifn_vnetdown.
104 local _ifn _cfg _action _vnet
109 if _vnet=$(vnetif $_ifn); then
110 ${IFCONFIG_CMD} $_ifn $_action $_vnet && _cfg=0
117 # Evaluate ifconfig(8) arguments for interface $if and
118 # run ifconfig(8) with those arguments. It returns 0 if
119 # arguments were found and executed or 1 if the interface
120 # had no arguments. Pseudo arguments DHCP and WPA are handled
125 local _cfg _ifconfig_descr _ipv6_opts ifconfig_args
128 # Make sure lo0 always comes up.
129 if [ "$1" = "lo0" ]; then
134 if ! noafif $1 && afexists inet6; then
135 if checkyesno ipv6_activate_all_interfaces; then
136 _ipv6_opts="-ifdisabled"
137 elif [ "$1" != "lo0" ]; then
138 _ipv6_opts="ifdisabled"
141 # backward compatibility: $ipv6_enable
143 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
146 # No accept_rtadv by default on if_bridge(4)
147 # to avoid a conflict with the member
151 if ! checkyesno ipv6_gateway_enable; then
152 _ipv6_opts="${_ipv6_opts} accept_rtadv"
159 case $ipv6_cpe_wanif in
161 _ipv6_opts="${_ipv6_opts} -no_radr accept_rtadv"
165 if [ -n "${_ipv6_opts}" ]; then
166 ${IFCONFIG_CMD} $1 inet6 ${_ipv6_opts}
171 ifconfig_args=`ifconfig_getargs $1`
172 if [ -n "${ifconfig_args}" ]; then
173 eval ${IFCONFIG_CMD} $1 ${ifconfig_args}
178 if ! noafif $1 && afexists inet6; then
180 ifconfig_args=`ifconfig_getargs $1 ipv6`
181 if [ -n "${ifconfig_args}" ]; then
182 # backward compatibility: inet6 keyword
183 case "${ifconfig_args}" in
185 warn "\$ifconfig_$1_ipv6 needs leading" \
186 "\"inet6\" keyword for an IPv6 address."
187 ifconfig_args="inet6 ${ifconfig_args}"
190 ${IFCONFIG_CMD} $1 inet6 -ifdisabled
191 eval ${IFCONFIG_CMD} $1 ${ifconfig_args}
195 # $ipv6_prefix_IF will be handled in
196 # ipv6_prefix_hostid_addr_common().
197 ifconfig_args=`get_if_var $1 ipv6_prefix_IF`
198 if [ -n "${ifconfig_args}" ]; then
199 ${IFCONFIG_CMD} $1 inet6 -ifdisabled
203 # backward compatibility: $ipv6_ifconfig_IF
204 ifconfig_args=`get_if_var $1 ipv6_ifconfig_IF`
205 if [ -n "${ifconfig_args}" ]; then
206 warn "\$ipv6_ifconfig_$1 is obsolete." \
207 " Use ifconfig_$1_ipv6 instead."
208 ${IFCONFIG_CMD} $1 inet6 -ifdisabled
209 eval ${IFCONFIG_CMD} $1 inet6 ${ifconfig_args}
214 ifalias $1 link alias
215 ifalias $1 ether alias
217 _ifconfig_descr=`get_if_var $1 ifconfig_IF_descr`
218 if [ -n "${_ifconfig_descr}" ]; then
219 ${IFCONFIG_CMD} $1 description "${_ifconfig_descr}"
223 /etc/rc.d/wpa_supplicant start $1
224 _cfg=0 # XXX: not sure this should count
225 elif hostapif $1; then
226 /etc/rc.d/hostapd start $1
228 elif [ ${_cfg} -eq 0 ]; then
229 ${IFCONFIG_CMD} $1 up
233 if [ $_cfg -ne 0 ] ; then
234 ${IFCONFIG_CMD} $1 up
236 if syncdhcpif $1; then
237 /etc/rc.d/dhclient start $1
246 # returns 1 if wpa_supplicant or dhclient was stopped or
247 # the interface exists.
255 /etc/rc.d/wpa_supplicant stop $1
257 elif hostapif $1; then
258 /etc/rc.d/hostapd stop $1
261 /etc/rc.d/dhclient stop $1
266 ${IFCONFIG_CMD} $1 down
273 # get_if_var if var [default]
274 # Return the value of the pseudo-hash corresponding to $if where
275 # $var is a string containg the sub-string "IF" which will be
276 # replaced with $if after the characters defined in _punct are
277 # replaced with '_'. If the variable is unset, replace it with
281 local _if _punct _punct_c _var _default prefix suffix
283 if [ $# -ne 2 -a $# -ne 3 ]; then
284 err 3 'USAGE: get_if_var name var [default]'
289 ltr ${_if} "${_punct}" '_' _if
295 eval echo \${${prefix}${_if}${suffix}-${_default}}
298 # _ifconfig_getargs if [af]
299 # Prints the arguments for the supplied interface to stdout.
300 # Returns 1 if empty. In general, ifconfig_getargs should be used
308 if [ -z "$_ifn" ]; then
312 get_if_var $_ifn ifconfig_IF$_af "$ifconfig_DEFAULT"
315 # ifconfig_getargs if [af]
316 # Takes the result from _ifconfig_getargs and removes pseudo
317 # args such as DHCP and WPA.
320 local _tmpargs _arg _args _vnet
321 _tmpargs=`_ifconfig_getargs $1 $2`
322 if [ $? -eq 1 ]; then
328 for _arg in $_tmpargs; do
330 [Dd][Hh][Cc][Pp]:0) ;;
331 [Nn][Oo][Aa][Uu][Tt][Oo]:0) ;;
332 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]:0) ;;
333 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]:0) ;;
335 [Hh][Oo][Ss][Tt][Aa][Pp]:0) ;;
348 # Returns 0 if the interface should be automatically configured at
349 # boot time and 1 otherwise.
353 _tmpargs=`_ifconfig_getargs $1`
355 for _arg in $_tmpargs; do
357 [Nn][Oo][Aa][Uu][Tt][Oo])
367 # Returns 0 if the interface is a DHCP interface and 1 otherwise.
371 _tmpargs=`_ifconfig_getargs $1`
385 for _arg in $_tmpargs; do
390 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
393 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
403 # Returns 0 if the interface should be configured synchronously and
408 _tmpargs=`_ifconfig_getargs $1`
414 for _arg in $_tmpargs; do
416 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
419 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
425 checkyesno synchronous_dhclient
429 # Returns 0 if the interface is a WPA interface and 1 otherwise.
433 _tmpargs=`_ifconfig_getargs $1`
435 for _arg in $_tmpargs; do
447 # Returns 0 if the interface is a HOSTAP interface and 1 otherwise.
451 _tmpargs=`_ifconfig_getargs $1`
453 for _arg in $_tmpargs; do
455 [Hh][Oo][Ss][Tt][Aa][Pp])
465 # Returns 0 and echo jail if "vnet" keyword is specified on the
466 # interface, and 1 otherwise.
469 local _tmpargs _arg _vnet
470 _tmpargs=`_ifconfig_getargs $1`
473 for _arg in $_tmpargs; do
476 *:1) echo $_arg; return 0 ;;
484 # Returns 0 if the address family is enabled in the kernel
493 check_kern_features ${_af}
496 if [ -x /sbin/atmconfig ]; then
497 /sbin/atmconfig diag list > /dev/null 2>&1
506 err 1 "afexists(): Unsupported address family: $_af"
512 # Returns 0 if the interface has no af configuration and 1 otherwise.
540 # Returns 0 if the interface should be configured for IPv6 and
547 if ! afexists inet6; then
551 # lo0 is always IPv6-enabled
558 case "${ipv6_network_interfaces}" in
559 $_if|"$_if "*|*" $_if"|*" $_if "*|[Aa][Uu][Tt][Oo])
560 # True if $ifconfig_IF_ipv6 is defined.
561 _tmpargs=`_ifconfig_getargs $_if ipv6`
562 if [ -n "${_tmpargs}" ]; then
566 # True if $ipv6_prefix_IF is defined.
567 _tmpargs=`get_if_var $_if ipv6_prefix_IF`
568 if [ -n "${_tmpargs}" ]; then
572 # backward compatibility: True if $ipv6_ifconfig_IF is defined.
573 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
574 if [ -n "${_tmpargs}" ]; then
584 # Returns 0 if the interface should be configured for IPv6 with
585 # Stateless Address Configuration; 1 otherwise.
588 local _if _tmpargs _arg
602 if ! ipv6if $_if; then
605 if checkyesno ipv6_gateway_enable; then
608 _tmpargs=`get_if_var $_if ipv6_prefix_IF`
609 if [ -n "${_tmpargs}" ]; then
612 # backward compatibility: $ipv6_enable
614 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
615 if checkyesno ipv6_gateway_enable; then
620 # No accept_rtadv by default on if_bridge(4)
621 # to avoid a conflict with the member
632 _tmpargs=`_ifconfig_getargs $_if ipv6`
633 for _arg in $_tmpargs; do
641 # backward compatibility: $ipv6_ifconfig_IF
642 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
643 for _arg in $_tmpargs; do
655 # Returns 0 if the interface exists and 1 otherwise.
658 [ -z "$1" ] && return 1
659 ${IFCONFIG_CMD} -n $1 > /dev/null 2>&1
663 # add IPv4 addresses to the interface $if
670 # Add 127.0.0.1/8 to lo0 unless otherwise specified.
671 if [ "${_if}" = "lo0" ]; then
672 ifconfig_args=`get_if_var ${_if} ifconfig_IF`
673 if [ -z "${ifconfig_args}" ]; then
674 ${IFCONFIG_CMD} ${_if} inet 127.0.0.1/8 alias
677 ifalias ${_if} inet alias && _ret=0
683 # add IPv6 addresses to the interface $if
690 if ! ipv6if $_if; then
694 ifalias ${_if} inet6 alias && _ret=0
695 ipv6_prefix_hostid_addr_common ${_if} alias && _ret=0
696 ipv6_accept_rtadv_up ${_if} && _ret=0
702 # remove IPv4 addresses from the interface $if
705 local _if _ifs _ret inetList oldifs _inet
710 ifalias ${_if} inet -alias && _ret=0
712 inetList="`${IFCONFIG_CMD} ${_if} | grep 'inet ' | tr "\n\t" "$_ifs"`"
716 for _inet in $inetList ; do
717 # get rid of extraneous line
723 _inet=`expr "$_inet" : '.*\(inet \([0-9]\{1,3\}\.\)\{3\}[0-9]\{1,3\}\).*'`
726 ${IFCONFIG_CMD} ${_if} ${_inet} delete
736 # remove IPv6 addresses from the interface $if
739 local _if _ifs _ret inetList oldifs _inet6
744 if ! ipv6if $_if; then
748 ipv6_accept_rtadv_down ${_if} && _ret=0
749 ipv6_prefix_hostid_addr_common ${_if} -alias && _ret=0
750 ifalias ${_if} inet6 -alias && _ret=0
752 inetList="`${IFCONFIG_CMD} ${_if} | grep 'inet6 ' | tr "\n\t" "$_ifs"`"
756 for _inet6 in $inetList ; do
757 # get rid of extraneous line
763 _inet6=`expr "$_inet6" : '.*\(inet6 \([0-9a-f:]*\)\).*'`
766 ${IFCONFIG_CMD} ${_if} ${_inet6} -alias
775 # ifalias if af action
776 # Configure or remove aliases for network interface $if.
777 # It returns 0 if at least one alias was configured or
778 # removed, or 1 if there were none.
785 afexists $2 || return $_ret
788 inet|inet6|link|ether)
789 ifalias_af_common $1 $2 $3 && _ret=0
796 # ifalias_expand_addr af action addr
797 # Expand address range ("N-M") specification in addr.
798 # "addr" must not include an address-family keyword.
799 # The results will include an address-family keyword.
801 ifalias_expand_addr()
809 afexists $_af || return
810 ifalias_expand_addr_$_af $_action $*
813 # ifalias_expand_addr_inet action addr
814 # Helper function for ifalias_expand_addr(). Handles IPv4.
816 ifalias_expand_addr_inet()
818 local _action _arg _cidr _cidr_addr _exargs
819 local _ipaddr _plen _range _iphead _iptail _iplow _iphigh _ipcount
827 case $_action:$_arg:$_exargs in
828 *:*--*) return ;; # invalid
829 tmp:*[0-9]-[0-9]*:*) # to be expanded
832 *:*[0-9]-[0-9]*:*) # to be expanded
834 tmp:*:*netmask*) # already expanded w/ netmask option
835 echo ${_arg%/[0-9]*} $_exargs && return
837 tmp:*:*) # already expanded w/o netmask option
838 echo $_arg $_exargs && return
840 *:*:*netmask*) # already expanded w/ netmask option
841 echo inet ${_arg%/[0-9]*} $_exargs && return
843 *:*:*) # already expanded w/o netmask option
844 echo inet $_arg $_exargs && return
848 for _cidr in $_arg; do
851 # When subnet prefix length is not specified, use /32.
853 $_ipaddr) _plen=32 ;; # "/" character not found
857 IFS=. set -- $_ipaddr
867 _iphead="${_iphead}${_iphead:+.}${_c}"
870 _iptail="${_iptail}${_iptail:+.}${_c}"
878 # clear netmask when removing aliases
879 if [ "$_action" = "-alias" ]; then
884 while [ "$_ipcount" -le "$_iphigh" ]; do
885 _retstr="${_retstr} ${_iphead}${_iphead:+.}${_ipcount}${_iptail:+.}${_iptail}${_plen:+/}${_plen}"
886 if [ $_ipcount -gt $(($_iplow + $netif_ipexpand_max)) ]; then
887 warn "Range specification is too large (${_iphead}${_iphead:+.}${_iplow}${_iptail:+.}${_iptail}-${_iphead}${_iphead:+.}${_iphigh}${_iptail:+.}${_iptail}). ${_iphead}${_iphead:+.}${_iplow}${_iptail:+.}${_iptail}-${_iphead}${_iphead:+.}${_ipcount}${_iptail:+.}${_iptail} was processed. Increase \$netif_ipexpand_max in rc.conf."
890 _ipcount=$(($_ipcount + 1))
892 # Forcibly set /32 for remaining aliases.
897 for _c in $_retstr; do
898 ifalias_expand_addr_inet $_action $_c $_exargs
902 # ifalias_expand_addr_inet6 action addr
903 # Helper function for ifalias_expand_addr(). Handles IPv6.
905 ifalias_expand_addr_inet6()
907 local _action _arg _cidr _cidr_addr _exargs
908 local _ipaddr _plen _ipleft _ipright _iplow _iphigh _ipcount
917 case $_action:$_arg:$_exargs in
918 *:*--*:*) return ;; # invalid
919 tmp:*[0-9a-zA-Z]-[0-9a-zA-Z]*:*)# to be expanded
922 *:*[0-9a-zA-Z]-[0-9a-zA-Z]*:*) # to be expanded
924 tmp:*:*prefixlen*) # already expanded w/ prefixlen option
925 echo ${_arg%/[0-9]*} $_exargs && return
927 tmp:*:*) # already expanded w/o prefixlen option
928 echo $_arg $_exargs && return
930 *:*:*prefixlen*) # already expanded w/ prefixlen option
931 echo inet6 ${_arg%/[0-9]*} $_exargs && return
933 *:*:*) # already expanded w/o prefixlen option
934 echo inet6 $_arg $_exargs && return
938 for _cidr in $_arg; do
939 _ipaddr="${_cidr%%/*}"
942 case $_action:$_ipaddr:$_cidr in
943 -alias:*:*) unset _plen ;;
944 *:$_cidr:$_ipaddr) unset _plen ;;
947 if [ "${_ipaddr%:*.*.*.*}" = "$_ipaddr" ]; then
948 # Handle !v4mapped && !v4compat addresses.
950 # The default prefix length is 64.
951 case $_ipaddr:$_cidr in
952 $_cidr:$_ipaddr) _plen="64" ;;
954 _ipleft=${_ipaddr%-*}
955 _ipright=${_ipaddr#*-}
956 _iplow=${_ipleft##*:}
957 _iphigh=${_ipright%%:*}
958 _ipleft=${_ipleft%:*}
959 _ipright=${_ipright#*:}
961 if [ "$_iphigh" = "$_ipright" ]; then
967 if [ -n "$_iplow" -a -n "$_iphigh" ]; then
968 _iplow=$((0x$_iplow))
969 _iphigh=$((0x$_iphigh))
971 while [ $_ipcount -le $_iphigh ]; do
972 _r=`printf "%s:%04x%s%s" \
973 $_ipleft $_ipcount $_ipright \
975 _retstr="$_retstr $_r"
976 if [ $_ipcount -gt $(($_iplow + $netif_ipexpand_max)) ]
978 warn "Range specification is too large $(printf '(%s:%x%s-%s:%x%s)' "$_ipleft" "$_iplow" "$_ipright" "$_ipleft" "$_iphigh" "$_ipright"). $(printf '%s:%x%s-%s:%x%s' "$_ipleft" "$_iplow" "$_ipright" "$_ipleft" "$_ipcount" "$_ipright") was processed. Increase \$netif_ipexpand_max in rc.conf."
981 _ipcount=$(($_ipcount + 1))
985 _retstr="${_ipaddr}${_plen:+/}${_plen}"
988 for _c in $_retstr; do
989 ifalias_expand_addr_inet6 $_action $_c $_exargs
992 # v4mapped/v4compat should handle as an IPv4 alias
993 _ipv4part=${_ipaddr##*:}
995 # Adjust prefix length if any. If not, set the
996 # default prefix length as 32.
997 case $_ipaddr:$_cidr in
998 $_cidr:$_ipaddr) _plen=32 ;;
999 *) _plen=$(($_plen - 96)) ;;
1002 _retstr=`ifalias_expand_addr_inet \
1003 tmp ${_ipv4part}${_plen:+/}${_plen}`
1004 for _c in $_retstr; do
1005 ifalias_expand_addr_inet $_action $_c $_exargs
1011 # ifalias_af_common_handler if af action args
1012 # Helper function for ifalias_af_common().
1014 ifalias_af_common_handler()
1016 local _ret _if _af _action _args _c _tmpargs
1030 # link(ether) does not support address removal.
1031 case $_af:$_action in
1032 link:-alias|ether:-alias) return ;;
1036 for _c in $_args; do
1040 ${_af}\ *[0-9a-fA-F]-*)
1041 ifalias_af_common_handler $_if $_af $_action \
1042 `ifalias_expand_addr $_af $_action ${_tmpargs#${_af}\ }`
1045 ${IFCONFIG_CMD} $_if $_tmpargs $_action && _ret=0
1051 _tmpargs="$_tmpargs $_c"
1055 # Process the last component if any.
1056 if [ -n "$_tmpargs}" ]; then
1058 ${_af}\ *[0-9a-fA-F]-*)
1059 ifalias_af_common_handler $_if $_af $_action \
1060 `ifalias_expand_addr $_af $_action ${_tmpargs#${_af}\ }`
1063 ${IFCONFIG_CMD} $_if $_tmpargs $_action && _ret=0
1071 # ifalias_af_common if af action
1072 # Helper function for ifalias().
1076 local _ret _if _af _action alias ifconfig_args _aliasn _c _tmpargs _iaf
1077 local _vif _punct=".-/+"
1085 # Normalize $_if before using it in a pattern to list_vars()
1086 ltr "$_if" "$_punct" "_" _vif
1088 # ifconfig_IF_aliasN which starts with $_af
1089 for alias in `list_vars ifconfig_${_vif}_alias[0-9]\* |
1090 sort_lite -nk1.$((9+${#_vif}+7))`
1092 eval ifconfig_args=\"\$$alias\"
1094 case $ifconfig_args in
1095 inet\ *) _iaf=inet ;;
1096 inet6\ *) _iaf=inet6 ;;
1097 link\ *) _iaf=link ;;
1098 ether\ *) _iaf=ether ;;
1101 case ${_af}:${_action}:${_iaf}:"${ifconfig_args}" in
1103 _aliasn="$_aliasn $ifconfig_args"
1109 _aliasn="$_aliasn inet $ifconfig_args"
1110 warn "\$${alias} needs leading" \
1111 "\"inet\" keyword for an IPv4 address."
1115 # backward compatibility: ipv6_ifconfig_IF_aliasN.
1118 for alias in `list_vars ipv6_ifconfig_${_vif}_alias[0-9]\* |
1119 sort_lite -nk1.$((14+${#_vif}+7))`
1121 eval ifconfig_args=\"\$$alias\"
1122 case ${_action}:"${ifconfig_args}" in
1127 _aliasn="${_aliasn} inet6 ${ifconfig_args}"
1128 warn "\$${alias} is obsolete. " \
1129 "Use ifconfig_${_vif}_aliasN instead."
1135 # backward compatibility: ipv4_addrs_IF.
1136 for _tmpargs in `get_if_var $_if ipv4_addrs_IF`; do
1137 _aliasn="$_aliasn inet $_tmpargs"
1140 # Handle ifconfig_IF_aliases, ifconfig_IF_aliasN, and the others.
1142 for _c in `get_if_var $_if ifconfig_IF_aliases` $_aliasn; do
1144 inet|inet6|link|ether)
1147 eval ifalias_af_common_handler $_if $_af $_action $_tmpargs && _ret=0
1153 _tmpargs="$_tmpargs $_c"
1156 # Process the last component
1159 ifalias_af_common_handler $_if $_af $_action $_tmpargs && _ret=0
1166 # ipv6_prefix_hostid_addr_common if action
1167 # Add or remove IPv6 prefix + hostid addr on the interface $if
1169 ipv6_prefix_hostid_addr_common()
1171 local _if _action prefix j
1174 prefix=`get_if_var ${_if} ipv6_prefix_IF`
1176 if [ -n "${prefix}" ]; then
1177 for j in ${prefix}; do
1178 # The default prefixlen is 64.
1181 $plen:$j) plen=64 ;;
1185 # Normalize the last part by removing ":"
1188 ${IFCONFIG_CMD} ${_if} inet6 $j:: \
1189 prefixlen $plen eui64 ${_action}
1191 # if I am a router, add subnet router
1192 # anycast address (RFC 2373).
1193 if checkyesno ipv6_gateway_enable; then
1194 ${IFCONFIG_CMD} ${_if} inet6 $j:: \
1195 prefixlen $plen ${_action} anycast
1201 # ipv6_accept_rtadv_up if
1202 # Enable accepting Router Advertisement and send Router
1203 # Solicitation message
1204 ipv6_accept_rtadv_up()
1206 if ipv6_autoconfif $1; then
1207 ${IFCONFIG_CMD} $1 inet6 accept_rtadv up
1208 if ! checkyesno rtsold_enable; then
1209 rtsol ${rtsol_flags} $1
1214 # ipv6_accept_rtadv_down if
1215 # Disable accepting Router Advertisement
1216 ipv6_accept_rtadv_down()
1218 if ipv6_autoconfif $1; then
1219 ${IFCONFIG_CMD} $1 inet6 -accept_rtadv
1224 # Evaluate a startup script for the $if interface.
1225 # It returns 0 if a script was found and processed or
1226 # 1 if no script was found.
1230 if [ -r /etc/start_if.$1 ]; then
1239 # Evaluate a shutdown script for the $if interface.
1240 # It returns 0 if a script was found and processed or
1241 # 1 if no script was found.
1245 if [ -r /etc/stop_if.$1 ]; then
1254 # Create IEEE802.11 interfaces.
1258 local _list _iflist parent child_wlans child create_args debug_flags
1262 # Parse wlans_$parent="$child ..."
1263 for parent in `set | sed -nE 's/wlans_([a-z]+[0-9]+)=.*/\1/p'`; do
1264 child_wlans=`get_if_var $parent wlans_IF`
1265 for child in ${child_wlans}; do
1266 create_args="wlandev $parent `get_if_var $child create_args_IF`"
1267 debug_flags="`get_if_var $child wlandebug_IF`"
1269 ""|$child|$child\ *|*\ $child\ *|*\ $child) ;;
1272 # Skip if ${child} already exists.
1273 if ${IFCONFIG_CMD} $child > /dev/null 2>&1; then
1276 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then
1277 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1278 if [ $? -eq 0 ]; then
1279 _list="$_list $child"
1281 if [ -n "${debug_flags}" ]; then
1282 wlandebug -i $child ${debug_flags}
1285 i=`${IFCONFIG_CMD} wlan create ${create_args}`
1286 # XXXGL: wlandebug should accept any name
1287 if [ -n "${debug_flags}" ]; then
1288 wlandebug -i $i ${debug_flags}
1290 ${IFCONFIG_CMD} $i name $child && cfg=0
1291 if [ $? -eq 0 ]; then
1292 _list="$_list $child"
1297 if [ -n "${_list# }" ]; then
1298 echo "Created wlan(4) interfaces: ${_list# }."
1300 debug "Created wlan(4)s: ${_list# }"
1304 # Destroy IEEE802.11 interfaces.
1308 local _list _iflist parent child_wlans child
1312 # Parse wlans_$parent="$child ..."
1313 for parent in `set | sed -nE 's/wlans_([a-z]+[0-9]+)=.*/\1/p'`; do
1314 child_wlans=`get_if_var $parent wlans_IF`
1315 for child in ${child_wlans}; do
1317 ""|$child|$child\ *|*\ $child\ *|*\ $child) ;;
1320 # Skip if ${child} doesn't exists.
1321 if ! ${IFCONFIG_CMD} $child > /dev/null 2>&1; then
1324 ${IFCONFIG_CMD} -n ${child} destroy
1325 if [ $? -eq 0 ]; then
1326 _list="$_list $child"
1330 if [ -n "${_list# }" ]; then
1331 echo "Destroyed wlan(4) interfaces: ${_list# }."
1333 debug "Destroyed wlan(4)s: ${_list# }"
1337 # Create cloneable interfaces.
1341 local _list ifn ifopt _iflist _n tmpargs
1346 for ifn in ${cloned_interfaces}; do
1348 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS
1350 ""|$ifn|$ifn\ *|*\ $ifn\ *|*\ $ifn) ;;
1355 # epair(4) uses epair[0-9] for creation and
1356 # epair[0-9][ab] for configuration.
1358 # Skip if ${ifn}a or ${ifn}b already exist.
1359 if ${IFCONFIG_CMD} ${ifn}a > /dev/null 2>&1; then
1361 elif ${IFCONFIG_CMD} ${ifn}b > /dev/null 2>&1; then
1364 ${IFCONFIG_CMD} ${ifn} create \
1365 `get_if_var ${ifn} create_args_IF`
1366 if [ $? -eq 0 ]; then
1367 _list="$_list ${ifn}a ${ifn}b"
1371 # Skip if ${ifn} already exists.
1372 if ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
1375 ${IFCONFIG_CMD} ${ifn} create \
1376 `get_if_var ${ifn} create_args_IF`
1377 if [ $? -eq 0 ]; then
1382 if [ -n "$gif_interfaces" ]; then
1383 warn "\$gif_interfaces is obsolete. Use \$cloned_interfaces instead."
1385 for ifn in ${gif_interfaces}; do
1387 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS
1389 ""|$ifn|$ifn\ *|*\ $ifn\ *|*\ $ifn) ;;
1392 # Skip if ifn already exists.
1393 if ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
1398 ${IFCONFIG_CMD} $ifn create
1401 _n=$(${IFCONFIG_CMD} gif create)
1402 ${IFCONFIG_CMD} $_n name $ifn
1405 if [ $? -eq 0 ]; then
1408 tmpargs=$(get_if_var $ifn gifconfig_IF)
1409 eval ifconfig_${ifn}=\"\$ifconfig_${ifn} tunnel \$tmpargs\"
1411 if [ -n "${_list# }" ]; then
1412 echo "Created clone interfaces: ${_list# }."
1414 debug "Cloned: ${_list# }"
1418 # Destroy cloned interfaces. Destroyed interfaces are echoed to
1423 local _list ifn _difn ifopt _iflist _sticky
1427 : ${cloned_interfaces_sticky:=NO}
1428 if checkyesno cloned_interfaces_sticky; then
1433 for ifn in ${cloned_interfaces} ${gif_interfaces}; do
1435 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS
1436 case $ifopt:$_sticky in
1437 sticky:*) continue ;; # :sticky => not destroy
1438 nosticky:*) ;; # :nosticky => destroy
1439 *:1) continue ;; # global sticky knob == 1
1442 ""|$ifn|$ifn\ *|*\ $ifn\ *|*\ $ifn) ;;
1447 # Note: epair(4) uses epair[0-9] for removal and
1448 # epair[0-9][ab] for configuration.
1450 # Skip if both of ${ifn}a and ${ifn}b do not exist.
1451 if ${IFCONFIG_CMD} ${ifn}a > /dev/null 2>&1; then
1453 elif ${IFCONFIG_CMD} ${ifn}b > /dev/null 2>&1; then
1458 ${IFCONFIG_CMD} -n $_difn destroy
1459 if [ $? -eq 0 ]; then
1460 _list="$_list ${ifn}a ${ifn}b"
1464 # Skip if ifn does not exist.
1465 if ! ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
1468 ${IFCONFIG_CMD} -n ${ifn} destroy
1469 if [ $? -eq 0 ]; then
1475 if [ -n "${_list# }" ]; then
1476 echo "Destroyed clone interfaces: ${_list# }."
1478 debug "Destroyed clones: ${_list# }"
1482 # Create and configure child interfaces. Return 0 if child
1483 # interfaces are created.
1485 # XXXGL: the wlan code in this functions is superseded by wlan_up(),
1486 # and will go away soon.
1490 local cfg child child_vlans child_wlans create_args debug_flags ifn i
1494 # Create wireless interfaces
1495 child_wlans=`get_if_var $ifn wlans_IF`
1497 for child in ${child_wlans}; do
1498 create_args="wlandev $ifn `get_if_var $child create_args_IF`"
1499 debug_flags="`get_if_var $child wlandebug_IF`"
1501 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then
1502 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1503 if [ -n "${debug_flags}" ]; then
1504 wlandebug -i $child ${debug_flags}
1507 i=`${IFCONFIG_CMD} wlan create ${create_args}`
1508 if [ -n "${debug_flags}" ]; then
1509 wlandebug -i $i ${debug_flags}
1511 ${IFCONFIG_CMD} $i name $child && cfg=0
1513 if autoif $child; then
1518 # Create vlan interfaces
1519 child_vlans=`get_if_var $ifn vlans_IF`
1521 if [ -n "${child_vlans}" ]; then
1525 for child in ${child_vlans}; do
1526 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1527 child="${ifn}.${child}"
1528 create_args=`get_if_var $child create_args_IF`
1529 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1531 create_args="vlandev $ifn `get_if_var $child create_args_IF`"
1532 if expr $child : 'vlan[0-9][0-9]*$' >/dev/null 2>&1; then
1533 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1535 i=`${IFCONFIG_CMD} vlan create ${create_args}`
1536 ${IFCONFIG_CMD} $i name $child && cfg=0
1539 if autoif $child; then
1548 # Destroy child interfaces.
1552 local cfg child child_vlans child_wlans ifn
1555 child_wlans=`get_if_var $ifn wlans_IF`
1556 for child in ${child_wlans}; do
1557 if ! ifexists $child; then
1560 ${IFCONFIG_CMD} -n $child destroy && cfg=0
1563 child_vlans=`get_if_var $ifn vlans_IF`
1564 for child in ${child_vlans}; do
1565 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1566 child="${ifn}.${child}"
1568 if ! ifexists $child; then
1571 ${IFCONFIG_CMD} -n $child destroy && cfg=0
1578 # Create netgraph nodes.
1582 ngctl -f - 2> /dev/null <<EOF
1589 # Create netgraph nodes.
1595 ng_mkpeer $* | while read line; do
1596 t=`expr "${line}" : '.* name="\([a-z]*[0-9]*\)" .*'`
1597 if [ -n "${t}" ]; then
1604 # ifnet_rename [ifname]
1605 # Rename interfaces if ifconfig_IF_name is defined.
1612 for _if in ${*:-$(${IFCONFIG_CMD} -l)}; do
1613 _ifname=`get_if_var $_if ifconfig_IF_name`
1614 if [ ! -z "$_ifname" ]; then
1615 ${IFCONFIG_CMD} $_if name $_ifname
1622 # list_net_interfaces type
1623 # List all network interfaces. The type of interface returned
1624 # can be controlled by the type argument. The type
1625 # argument can be any of the following:
1626 # nodhcp - all interfaces, excluding DHCP configured interfaces
1627 # dhcp - list only DHCP configured interfaces
1628 # noautoconf - all interfaces, excluding IPv6 Stateless
1629 # Address Autoconf configured interfaces
1630 # autoconf - list only IPv6 Stateless Address Autoconf
1631 # configured interfaces
1632 # If no argument is specified all network interfaces are output.
1633 # Note that the list will include cloned interfaces if applicable.
1634 # Cloned interfaces must already exist to have a chance to appear
1635 # in the list if ${network_interfaces} is set to `auto'.
1637 list_net_interfaces()
1639 local type _tmplist _list _autolist _lo _if
1642 # Get a list of ALL the interfaces and make lo0 first if it's there.
1645 case ${network_interfaces} in
1647 _autolist="`${IFCONFIG_CMD} -l`"
1649 for _if in ${_autolist} ; do
1650 if autoif $_if; then
1651 if [ "$_if" = "lo0" ]; then
1654 _tmplist="${_tmplist} ${_if}"
1658 _tmplist="${_lo}${_tmplist# }"
1661 for _if in ${network_interfaces} ${cloned_interfaces}; do
1662 # epair(4) uses epair[0-9] for creation and
1663 # epair[0-9][ab] for configuration.
1666 _tmplist="$_tmplist ${_if}a ${_if}b"
1669 _tmplist="$_tmplist $_if"
1674 # lo0 is effectively mandatory, so help prevent foot-shooting
1677 lo0|'lo0 '*|*' lo0'|*' lo0 '*)
1678 # This is fine, do nothing
1679 _tmplist="${_tmplist# }"
1682 _tmplist="lo0 ${_tmplist# }"
1691 for _if in ${_tmplist} ; do
1692 if ! dhcpif $_if && \
1693 [ -n "`_ifconfig_getargs $_if`" ]; then
1694 _list="${_list# } ${_if}"
1699 for _if in ${_tmplist} ; do
1700 if dhcpif $_if; then
1701 _list="${_list# } ${_if}"
1706 for _if in ${_tmplist} ; do
1707 if ! ipv6_autoconfif $_if && \
1708 [ -n "`_ifconfig_getargs $_if ipv6`" ]; then
1709 _list="${_list# } ${_if}"
1714 for _if in ${_tmplist} ; do
1715 if ipv6_autoconfif $_if; then
1716 _list="${_list# } ${_if}"
1730 # get_default_if -address_family
1731 # Get the interface of the default route for the given address family.
1732 # The -address_family argument must be suitable passing to route(8).
1736 local routeget oldifs defif line
1741 for line in `route -n get $1 default 2>/dev/null`; do
1754 # Echo decimal number $arg (single digit) in hexadecimal format.
1761 # Echo decimal number $arg (multiple digits) in hexadecimal format.
1767 is_wired_interface()
1771 case `${IFCONFIG_CMD} $1 2>/dev/null` in
1772 *media:?Ethernet*) media=Ethernet ;;
1775 test "$media" = "Ethernet"
1778 # network6_getladdr if [flag]
1779 # Echo link-local address from $if if any.
1780 # If flag is defined, tentative ones will be excluded.
1783 local _if _flag proto addr rest
1787 ${IFCONFIG_CMD} $_if 2>/dev/null | while read proto addr rest; do
1788 case "${proto}/${addr}/${_flag}/${rest}" in
1792 inet6/fe80:://*tentative*) # w/o flag
1793 sleep `${SYSCTL_N} net.inet6.ip6.dad_count`
1794 network6_getladdr $_if $_flags
1796 inet6/fe80::/*/*tentative*) # w/ flag