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}
499 err 1 "afexists(): Unsupported address family: $_af"
505 # Returns 0 if the interface has no af configuration and 1 otherwise.
533 # Returns 0 if the interface should be configured for IPv6 and
540 if ! afexists inet6; then
544 # lo0 is always IPv6-enabled
551 case "${ipv6_network_interfaces}" in
552 $_if|"$_if "*|*" $_if"|*" $_if "*|[Aa][Uu][Tt][Oo])
553 # True if $ifconfig_IF_ipv6 is defined.
554 _tmpargs=`_ifconfig_getargs $_if ipv6`
555 if [ -n "${_tmpargs}" ]; then
559 # True if $ipv6_prefix_IF is defined.
560 _tmpargs=`get_if_var $_if ipv6_prefix_IF`
561 if [ -n "${_tmpargs}" ]; then
565 # backward compatibility: True if $ipv6_ifconfig_IF is defined.
566 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
567 if [ -n "${_tmpargs}" ]; then
577 # Returns 0 if the interface should be configured for IPv6 with
578 # Stateless Address Configuration; 1 otherwise.
581 local _if _tmpargs _arg
595 if ! ipv6if $_if; then
598 if checkyesno ipv6_gateway_enable; then
601 _tmpargs=`get_if_var $_if ipv6_prefix_IF`
602 if [ -n "${_tmpargs}" ]; then
605 # backward compatibility: $ipv6_enable
607 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
608 if checkyesno ipv6_gateway_enable; then
613 # No accept_rtadv by default on if_bridge(4)
614 # to avoid a conflict with the member
625 _tmpargs=`_ifconfig_getargs $_if ipv6`
626 for _arg in $_tmpargs; do
634 # backward compatibility: $ipv6_ifconfig_IF
635 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
636 for _arg in $_tmpargs; do
648 # Returns 0 if the interface exists and 1 otherwise.
651 [ -z "$1" ] && return 1
652 ${IFCONFIG_CMD} -n $1 > /dev/null 2>&1
656 # add IPv4 addresses to the interface $if
663 # Add 127.0.0.1/8 to lo0 unless otherwise specified.
664 if [ "${_if}" = "lo0" ]; then
665 ifconfig_args=`get_if_var ${_if} ifconfig_IF`
666 if [ -z "${ifconfig_args}" ]; then
667 ${IFCONFIG_CMD} ${_if} inet 127.0.0.1/8 alias
670 ifalias ${_if} inet alias && _ret=0
676 # add IPv6 addresses to the interface $if
683 if ! ipv6if $_if; then
687 ifalias ${_if} inet6 alias && _ret=0
688 ipv6_prefix_hostid_addr_common ${_if} alias && _ret=0
689 ipv6_accept_rtadv_up ${_if} && _ret=0
695 # remove IPv4 addresses from the interface $if
698 local _if _ifs _ret inetList oldifs _inet
703 ifalias ${_if} inet -alias && _ret=0
705 inetList="`${IFCONFIG_CMD} ${_if} | grep 'inet ' | tr "\n\t" "$_ifs"`"
709 for _inet in $inetList ; do
710 # get rid of extraneous line
716 _inet=`expr "$_inet" : '.*\(inet \([0-9]\{1,3\}\.\)\{3\}[0-9]\{1,3\}\).*'`
719 ${IFCONFIG_CMD} ${_if} ${_inet} delete
729 # remove IPv6 addresses from the interface $if
732 local _if _ifs _ret inetList oldifs _inet6
737 if ! ipv6if $_if; then
741 ipv6_accept_rtadv_down ${_if} && _ret=0
742 ipv6_prefix_hostid_addr_common ${_if} -alias && _ret=0
743 ifalias ${_if} inet6 -alias && _ret=0
745 inetList="`${IFCONFIG_CMD} ${_if} | grep 'inet6 ' | tr "\n\t" "$_ifs"`"
749 for _inet6 in $inetList ; do
750 # get rid of extraneous line
756 _inet6=`expr "$_inet6" : '.*\(inet6 \([0-9a-f:]*\)\).*'`
759 ${IFCONFIG_CMD} ${_if} ${_inet6} -alias
768 # ifalias if af action
769 # Configure or remove aliases for network interface $if.
770 # It returns 0 if at least one alias was configured or
771 # removed, or 1 if there were none.
778 afexists $2 || return $_ret
781 inet|inet6|link|ether)
782 ifalias_af_common $1 $2 $3 && _ret=0
789 # ifalias_expand_addr af action addr
790 # Expand address range ("N-M") specification in addr.
791 # "addr" must not include an address-family keyword.
792 # The results will include an address-family keyword.
794 ifalias_expand_addr()
802 afexists $_af || return
803 ifalias_expand_addr_$_af $_action $*
806 # ifalias_expand_addr_inet action addr
807 # Helper function for ifalias_expand_addr(). Handles IPv4.
809 ifalias_expand_addr_inet()
811 local _action _arg _cidr _cidr_addr _exargs
812 local _ipaddr _plen _range _iphead _iptail _iplow _iphigh _ipcount
820 case $_action:$_arg:$_exargs in
821 *:*--*) return ;; # invalid
822 tmp:*[0-9]-[0-9]*:*) # to be expanded
825 *:*[0-9]-[0-9]*:*) # to be expanded
827 tmp:*:*netmask*) # already expanded w/ netmask option
828 echo ${_arg%/[0-9]*} $_exargs && return
830 tmp:*:*) # already expanded w/o netmask option
831 echo $_arg $_exargs && return
833 *:*:*netmask*) # already expanded w/ netmask option
834 echo inet ${_arg%/[0-9]*} $_exargs && return
836 *:*:*) # already expanded w/o netmask option
837 echo inet $_arg $_exargs && return
841 for _cidr in $_arg; do
844 # When subnet prefix length is not specified, use /32.
846 $_ipaddr) _plen=32 ;; # "/" character not found
850 IFS=. set -- $_ipaddr
860 _iphead="${_iphead}${_iphead:+.}${_c}"
863 _iptail="${_iptail}${_iptail:+.}${_c}"
871 # clear netmask when removing aliases
872 if [ "$_action" = "-alias" ]; then
877 while [ "$_ipcount" -le "$_iphigh" ]; do
878 _retstr="${_retstr} ${_iphead}${_iphead:+.}${_ipcount}${_iptail:+.}${_iptail}${_plen:+/}${_plen}"
879 if [ $_ipcount -gt $(($_iplow + $netif_ipexpand_max)) ]; then
880 warn "Range specification is too large (${_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."
883 _ipcount=$(($_ipcount + 1))
885 # Forcibly set /32 for remaining aliases.
890 for _c in $_retstr; do
891 ifalias_expand_addr_inet $_action $_c $_exargs
895 # ifalias_expand_addr_inet6 action addr
896 # Helper function for ifalias_expand_addr(). Handles IPv6.
898 ifalias_expand_addr_inet6()
900 local _action _arg _cidr _cidr_addr _exargs
901 local _ipaddr _plen _ipleft _ipright _iplow _iphigh _ipcount
910 case $_action:$_arg:$_exargs in
911 *:*--*:*) return ;; # invalid
912 tmp:*[0-9a-zA-Z]-[0-9a-zA-Z]*:*)# to be expanded
915 *:*[0-9a-zA-Z]-[0-9a-zA-Z]*:*) # to be expanded
917 tmp:*:*prefixlen*) # already expanded w/ prefixlen option
918 echo ${_arg%/[0-9]*} $_exargs && return
920 tmp:*:*) # already expanded w/o prefixlen option
921 echo $_arg $_exargs && return
923 *:*:*prefixlen*) # already expanded w/ prefixlen option
924 echo inet6 ${_arg%/[0-9]*} $_exargs && return
926 *:*:*) # already expanded w/o prefixlen option
927 echo inet6 $_arg $_exargs && return
931 for _cidr in $_arg; do
932 _ipaddr="${_cidr%%/*}"
935 case $_action:$_ipaddr:$_cidr in
936 -alias:*:*) unset _plen ;;
937 *:$_cidr:$_ipaddr) unset _plen ;;
940 if [ "${_ipaddr%:*.*.*.*}" = "$_ipaddr" ]; then
941 # Handle !v4mapped && !v4compat addresses.
943 # The default prefix length is 64.
944 case $_ipaddr:$_cidr in
945 $_cidr:$_ipaddr) _plen="64" ;;
947 _ipleft=${_ipaddr%-*}
948 _ipright=${_ipaddr#*-}
949 _iplow=${_ipleft##*:}
950 _iphigh=${_ipright%%:*}
951 _ipleft=${_ipleft%:*}
952 _ipright=${_ipright#*:}
954 if [ "$_iphigh" = "$_ipright" ]; then
960 if [ -n "$_iplow" -a -n "$_iphigh" ]; then
961 _iplow=$((0x$_iplow))
962 _iphigh=$((0x$_iphigh))
964 while [ $_ipcount -le $_iphigh ]; do
965 _r=`printf "%s:%04x%s%s" \
966 $_ipleft $_ipcount $_ipright \
968 _retstr="$_retstr $_r"
969 if [ $_ipcount -gt $(($_iplow + $netif_ipexpand_max)) ]
971 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" "$_ipright") was processed. Increase \$netif_ipexpand_max in rc.conf."
974 _ipcount=$(($_ipcount + 1))
978 _retstr="${_ipaddr}${_plen:+/}${_plen}"
981 for _c in $_retstr; do
982 ifalias_expand_addr_inet6 $_action $_c $_exargs
985 # v4mapped/v4compat should handle as an IPv4 alias
986 _ipv4part=${_ipaddr##*:}
988 # Adjust prefix length if any. If not, set the
989 # default prefix length as 32.
990 case $_ipaddr:$_cidr in
991 $_cidr:$_ipaddr) _plen=32 ;;
992 *) _plen=$(($_plen - 96)) ;;
995 _retstr=`ifalias_expand_addr_inet \
996 tmp ${_ipv4part}${_plen:+/}${_plen}`
997 for _c in $_retstr; do
998 ifalias_expand_addr_inet $_action $_c $_exargs
1004 # ifalias_af_common_handler if af action args
1005 # Helper function for ifalias_af_common().
1007 ifalias_af_common_handler()
1009 local _ret _if _af _action _args _c _tmpargs
1023 # link(ether) does not support address removal.
1024 case $_af:$_action in
1025 link:-alias|ether:-alias) return ;;
1029 for _c in $_args; do
1033 ${_af}\ *[0-9a-fA-F]-*)
1034 ifalias_af_common_handler $_if $_af $_action \
1035 `ifalias_expand_addr $_af $_action ${_tmpargs#${_af}\ }`
1038 ${IFCONFIG_CMD} $_if $_tmpargs $_action && _ret=0
1044 _tmpargs="$_tmpargs $_c"
1048 # Process the last component if any.
1049 if [ -n "$_tmpargs}" ]; then
1051 ${_af}\ *[0-9a-fA-F]-*)
1052 ifalias_af_common_handler $_if $_af $_action \
1053 `ifalias_expand_addr $_af $_action ${_tmpargs#${_af}\ }`
1056 ${IFCONFIG_CMD} $_if $_tmpargs $_action && _ret=0
1064 # ifalias_af_common if af action
1065 # Helper function for ifalias().
1069 local _ret _if _af _action alias ifconfig_args _aliasn _c _tmpargs _iaf
1070 local _vif _punct=".-/+"
1078 # Normalize $_if before using it in a pattern to list_vars()
1079 ltr "$_if" "$_punct" "_" _vif
1081 # ifconfig_IF_aliasN which starts with $_af
1082 for alias in `list_vars ifconfig_${_vif}_alias[0-9]\* |
1083 sort_lite -nk1.$((9+${#_vif}+7))`
1085 eval ifconfig_args=\"\$$alias\"
1087 case $ifconfig_args in
1088 inet\ *) _iaf=inet ;;
1089 inet6\ *) _iaf=inet6 ;;
1090 link\ *) _iaf=link ;;
1091 ether\ *) _iaf=ether ;;
1094 case ${_af}:${_action}:${_iaf}:"${ifconfig_args}" in
1096 _aliasn="$_aliasn $ifconfig_args"
1102 _aliasn="$_aliasn inet $ifconfig_args"
1103 warn "\$${alias} needs leading" \
1104 "\"inet\" keyword for an IPv4 address."
1108 # backward compatibility: ipv6_ifconfig_IF_aliasN.
1111 for alias in `list_vars ipv6_ifconfig_${_vif}_alias[0-9]\* |
1112 sort_lite -nk1.$((14+${#_vif}+7))`
1114 eval ifconfig_args=\"\$$alias\"
1115 case ${_action}:"${ifconfig_args}" in
1120 _aliasn="${_aliasn} inet6 ${ifconfig_args}"
1121 warn "\$${alias} is obsolete. " \
1122 "Use ifconfig_${_vif}_aliasN instead."
1128 # backward compatibility: ipv4_addrs_IF.
1129 for _tmpargs in `get_if_var $_if ipv4_addrs_IF`; do
1130 _aliasn="$_aliasn inet $_tmpargs"
1133 # Handle ifconfig_IF_aliases, ifconfig_IF_aliasN, and the others.
1135 for _c in `get_if_var $_if ifconfig_IF_aliases` $_aliasn; do
1137 inet|inet6|link|ether)
1140 eval ifalias_af_common_handler $_if $_af $_action $_tmpargs && _ret=0
1146 _tmpargs="$_tmpargs $_c"
1149 # Process the last component
1152 ifalias_af_common_handler $_if $_af $_action $_tmpargs && _ret=0
1159 # ipv6_prefix_hostid_addr_common if action
1160 # Add or remove IPv6 prefix + hostid addr on the interface $if
1162 ipv6_prefix_hostid_addr_common()
1164 local _if _action prefix j
1167 prefix=`get_if_var ${_if} ipv6_prefix_IF`
1169 if [ -n "${prefix}" ]; then
1170 for j in ${prefix}; do
1171 # The default prefixlen is 64.
1174 $plen:$j) plen=64 ;;
1178 # Normalize the last part by removing ":"
1181 ${IFCONFIG_CMD} ${_if} inet6 $j:: \
1182 prefixlen $plen eui64 ${_action}
1184 # if I am a router, add subnet router
1185 # anycast address (RFC 2373).
1186 if checkyesno ipv6_gateway_enable; then
1187 ${IFCONFIG_CMD} ${_if} inet6 $j:: \
1188 prefixlen $plen ${_action} anycast
1194 # ipv6_accept_rtadv_up if
1195 # Enable accepting Router Advertisement and send Router
1196 # Solicitation message
1197 ipv6_accept_rtadv_up()
1199 if ipv6_autoconfif $1; then
1200 ${IFCONFIG_CMD} $1 inet6 accept_rtadv up
1201 if ! checkyesno rtsold_enable; then
1202 rtsol ${rtsol_flags} $1
1207 # ipv6_accept_rtadv_down if
1208 # Disable accepting Router Advertisement
1209 ipv6_accept_rtadv_down()
1211 if ipv6_autoconfif $1; then
1212 ${IFCONFIG_CMD} $1 inet6 -accept_rtadv
1217 # Evaluate a startup script for the $if interface.
1218 # It returns 0 if a script was found and processed or
1219 # 1 if no script was found.
1223 if [ -r /etc/start_if.$1 ]; then
1232 # Evaluate a shutdown script for the $if interface.
1233 # It returns 0 if a script was found and processed or
1234 # 1 if no script was found.
1238 if [ -r /etc/stop_if.$1 ]; then
1247 # Create IEEE802.11 interfaces.
1251 local _list _iflist parent child_wlans child create_args debug_flags
1255 # Parse wlans_$parent="$child ..."
1256 for parent in `set | sed -nE 's/wlans_([a-z]+[0-9]+)=.*/\1/p'`; do
1257 child_wlans=`get_if_var $parent wlans_IF`
1258 for child in ${child_wlans}; do
1259 create_args="wlandev $parent `get_if_var $child create_args_IF`"
1260 debug_flags="`get_if_var $child wlandebug_IF`"
1262 ""|$child|$child\ *|*\ $child\ *|*\ $child) ;;
1265 # Skip if ${child} already exists.
1266 if ${IFCONFIG_CMD} $child > /dev/null 2>&1; then
1269 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then
1270 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1272 ${IFCONFIG_CMD} wlan create ${create_args} name $child && cfg=0
1274 if [ $? -eq 0 ]; then
1275 _list="$_list $child"
1277 if [ -n "${debug_flags}" ]; then
1278 wlandebug -i $child ${debug_flags}
1282 if [ -n "${_list# }" ]; then
1283 echo "Created wlan(4) interfaces: ${_list# }."
1285 debug "Created wlan(4)s: ${_list# }"
1289 # Destroy IEEE802.11 interfaces.
1293 local _list _iflist parent child_wlans child
1297 # Parse wlans_$parent="$child ..."
1298 for parent in `set | sed -nE 's/wlans_([a-z]+[0-9]+)=.*/\1/p'`; do
1299 child_wlans=`get_if_var $parent wlans_IF`
1300 for child in ${child_wlans}; do
1302 ""|$child|$child\ *|*\ $child\ *|*\ $child) ;;
1305 # Skip if ${child} doesn't exists.
1306 if ! ${IFCONFIG_CMD} $child > /dev/null 2>&1; then
1309 ${IFCONFIG_CMD} -n ${child} destroy
1310 if [ $? -eq 0 ]; then
1311 _list="$_list $child"
1315 if [ -n "${_list# }" ]; then
1316 echo "Destroyed wlan(4) interfaces: ${_list# }."
1318 debug "Destroyed wlan(4)s: ${_list# }"
1322 # Create cloneable interfaces.
1326 local _list ifn ifopt _iflist _inet6 _n tmpargs
1331 for ifn in ${cloned_interfaces}; do
1333 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS
1335 ""|$ifn|$ifn\ *|*\ $ifn\ *|*\ $ifn) ;;
1340 # epair(4) uses epair[0-9] for creation and
1341 # epair[0-9][ab] for configuration.
1343 # Skip if ${ifn}a or ${ifn}b already exist.
1344 if ${IFCONFIG_CMD} ${ifn}a > /dev/null 2>&1; then
1346 elif ${IFCONFIG_CMD} ${ifn}b > /dev/null 2>&1; then
1349 ${IFCONFIG_CMD} ${ifn} create \
1350 `get_if_var ${ifn} create_args_IF`
1351 if [ $? -eq 0 ]; then
1352 _list="$_list ${ifn}a ${ifn}b"
1356 # Skip if ${ifn} already exists.
1357 if ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
1360 ${IFCONFIG_CMD} ${ifn} create \
1361 `get_if_var ${ifn} create_args_IF`
1362 if [ $? -eq 0 ]; then
1367 for ifn in ${gif_interfaces}; do
1369 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS
1371 ""|$ifn|$ifn\ *|*\ $ifn\ *|*\ $ifn) ;;
1374 # Skip if ifn already exists.
1375 if ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
1380 ${IFCONFIG_CMD} $ifn create
1383 _n=$(${IFCONFIG_CMD} gif create)
1384 ${IFCONFIG_CMD} $_n name $ifn
1387 if [ $? -eq 0 ]; then
1389 tmpargs=$(get_if_var $ifn gifconfig_IF)
1395 tmpargs=${tmpargs#inet6}
1400 ${IFCONFIG_CMD} $ifn $_inet6 tunnel $tmpargs
1405 if [ -n "${_list# }" ]; then
1406 echo "Created clone interfaces: ${_list# }."
1408 debug "Cloned: ${_list# }"
1412 # Destroy cloned interfaces. Destroyed interfaces are echoed to
1417 local _list ifn _difn ifopt _iflist _sticky
1421 : ${cloned_interfaces_sticky:=NO}
1422 if checkyesno cloned_interfaces_sticky; then
1427 for ifn in ${cloned_interfaces} ${gif_interfaces}; do
1429 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS
1430 case $ifopt:$_sticky in
1431 sticky:*) continue ;; # :sticky => not destroy
1432 nosticky:*) ;; # :nosticky => destroy
1433 *:1) continue ;; # global sticky knob == 1
1436 ""|$ifn|$ifn\ *|*\ $ifn\ *|*\ $ifn) ;;
1441 # Note: epair(4) uses epair[0-9] for removal and
1442 # epair[0-9][ab] for configuration.
1444 # Skip if both of ${ifn}a and ${ifn}b do not exist.
1445 if ${IFCONFIG_CMD} ${ifn}a > /dev/null 2>&1; then
1447 elif ${IFCONFIG_CMD} ${ifn}b > /dev/null 2>&1; then
1452 ${IFCONFIG_CMD} -n $_difn destroy
1453 if [ $? -eq 0 ]; then
1454 _list="$_list ${ifn}a ${ifn}b"
1458 # Skip if ifn does not exist.
1459 if ! ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
1462 ${IFCONFIG_CMD} -n ${ifn} destroy
1463 if [ $? -eq 0 ]; then
1469 if [ -n "${_list# }" ]; then
1470 echo "Destroyed clone interfaces: ${_list# }."
1472 debug "Destroyed clones: ${_list# }"
1476 # Create and configure child interfaces. Return 0 if child
1477 # interfaces are created.
1479 # XXXGL: the wlan code in this functions is superseded by wlan_up(),
1480 # and will go away soon.
1484 local cfg child child_vlans child_wlans create_args debug_flags ifn i
1488 # Create wireless interfaces
1489 child_wlans=`get_if_var $ifn wlans_IF`
1491 for child in ${child_wlans}; do
1492 create_args="wlandev $ifn `get_if_var $child create_args_IF`"
1493 debug_flags="`get_if_var $child wlandebug_IF`"
1495 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then
1496 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1497 if [ -n "${debug_flags}" ]; then
1498 wlandebug -i $child ${debug_flags}
1501 i=`${IFCONFIG_CMD} wlan create ${create_args}`
1502 if [ -n "${debug_flags}" ]; then
1503 wlandebug -i $i ${debug_flags}
1505 ${IFCONFIG_CMD} $i name $child && cfg=0
1507 if autoif $child; then
1512 # Create vlan interfaces
1513 child_vlans=`get_if_var $ifn vlans_IF`
1515 if [ -n "${child_vlans}" ]; then
1519 for child in ${child_vlans}; do
1520 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1521 child="${ifn}.${child}"
1522 create_args=`get_if_var $child create_args_IF`
1523 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1525 create_args="vlandev $ifn `get_if_var $child create_args_IF`"
1526 if expr $child : 'vlan[0-9][0-9]*$' >/dev/null 2>&1; then
1527 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1529 i=`${IFCONFIG_CMD} vlan create ${create_args}`
1530 ${IFCONFIG_CMD} $i name $child && cfg=0
1533 if autoif $child; then
1542 # Destroy child interfaces.
1546 local cfg child child_vlans child_wlans ifn
1549 child_wlans=`get_if_var $ifn wlans_IF`
1550 for child in ${child_wlans}; do
1551 if ! ifexists $child; then
1554 ${IFCONFIG_CMD} -n $child destroy && cfg=0
1557 child_vlans=`get_if_var $ifn vlans_IF`
1558 for child in ${child_vlans}; do
1559 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1560 child="${ifn}.${child}"
1562 if ! ifexists $child; then
1565 ${IFCONFIG_CMD} -n $child destroy && cfg=0
1572 # Create netgraph nodes.
1576 ngctl -f - 2> /dev/null <<EOF
1583 # Create netgraph nodes.
1589 ng_mkpeer $* | while read line; do
1590 t=`expr "${line}" : '.* name="\([a-z]*[0-9]*\)" .*'`
1591 if [ -n "${t}" ]; then
1598 # ifnet_rename [ifname]
1599 # Rename interfaces if ifconfig_IF_name is defined.
1606 for _if in ${*:-$(${IFCONFIG_CMD} -l)}; do
1607 _ifname=`get_if_var $_if ifconfig_IF_name`
1608 if [ ! -z "$_ifname" ]; then
1609 ${IFCONFIG_CMD} $_if name $_ifname
1616 # list_net_interfaces type
1617 # List all network interfaces. The type of interface returned
1618 # can be controlled by the type argument. The type
1619 # argument can be any of the following:
1620 # nodhcp - all interfaces, excluding DHCP configured interfaces
1621 # dhcp - list only DHCP configured interfaces
1622 # noautoconf - all interfaces, excluding IPv6 Stateless
1623 # Address Autoconf configured interfaces
1624 # autoconf - list only IPv6 Stateless Address Autoconf
1625 # configured interfaces
1626 # If no argument is specified all network interfaces are output.
1627 # Note that the list will include cloned interfaces if applicable.
1628 # Cloned interfaces must already exist to have a chance to appear
1629 # in the list if ${network_interfaces} is set to `auto'.
1631 list_net_interfaces()
1633 local type _tmplist _list _autolist _lo _if
1636 # Get a list of ALL the interfaces and make lo0 first if it's there.
1639 case ${network_interfaces} in
1641 _autolist="`${IFCONFIG_CMD} -l`"
1643 for _if in ${_autolist} ; do
1644 if autoif $_if; then
1645 if [ "$_if" = "lo0" ]; then
1648 _tmplist="${_tmplist} ${_if}"
1652 _tmplist="${_lo}${_tmplist# }"
1655 for _if in ${network_interfaces} ${cloned_interfaces}; do
1656 # epair(4) uses epair[0-9] for creation and
1657 # epair[0-9][ab] for configuration.
1660 _tmplist="$_tmplist ${_if}a ${_if}b"
1663 _tmplist="$_tmplist $_if"
1668 # lo0 is effectively mandatory, so help prevent foot-shooting
1671 lo0|'lo0 '*|*' lo0'|*' lo0 '*)
1672 # This is fine, do nothing
1673 _tmplist="${_tmplist# }"
1676 _tmplist="lo0 ${_tmplist# }"
1685 for _if in ${_tmplist} ; do
1686 if ! dhcpif $_if && \
1687 [ -n "`_ifconfig_getargs $_if`" ]; then
1688 _list="${_list# } ${_if}"
1693 for _if in ${_tmplist} ; do
1694 if dhcpif $_if; then
1695 _list="${_list# } ${_if}"
1700 for _if in ${_tmplist} ; do
1701 if ! ipv6_autoconfif $_if && \
1702 [ -n "`_ifconfig_getargs $_if ipv6`" ]; then
1703 _list="${_list# } ${_if}"
1708 for _if in ${_tmplist} ; do
1709 if ipv6_autoconfif $_if; then
1710 _list="${_list# } ${_if}"
1724 # get_default_if -address_family
1725 # Get the interface of the default route for the given address family.
1726 # The -address_family argument must be suitable passing to route(8).
1730 local routeget oldifs defif line
1735 for line in `route -n get $1 default 2>/dev/null`; do
1748 # Echo decimal number $arg (single digit) in hexadecimal format.
1755 # Echo decimal number $arg (multiple digits) in hexadecimal format.
1761 is_wired_interface()
1765 case `${IFCONFIG_CMD} $1 2>/dev/null` in
1766 *media:?Ethernet*) media=Ethernet ;;
1769 test "$media" = "Ethernet"
1772 # network6_getladdr if [flag]
1773 # Echo link-local address from $if if any.
1774 # If flag is defined, tentative ones will be excluded.
1777 local _if _flag proto addr rest
1781 ${IFCONFIG_CMD} $_if 2>/dev/null | while read proto addr rest; do
1782 case "${proto}/${addr}/${_flag}/${rest}" in
1786 inet6/fe80:://*tentative*) # w/o flag
1787 sleep `${SYSCTL_N} net.inet6.ip6.dad_count`
1788 network6_getladdr $_if $_flags
1790 inet6/fe80::/*/*tentative*) # w/ flag