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
232 if ! noafif $1 && afexists inet6; then
233 ipv6_accept_rtadv_up $1 && _cfg=0
237 if [ $_cfg -ne 0 ] ; then
238 ${IFCONFIG_CMD} $1 up
240 if syncdhcpif $1; then
241 /etc/rc.d/dhclient start $1
250 # returns 1 if wpa_supplicant or dhclient was stopped or
251 # the interface exists.
259 /etc/rc.d/wpa_supplicant stop $1
261 elif hostapif $1; then
262 /etc/rc.d/hostapd stop $1
265 /etc/rc.d/dhclient stop $1
270 ${IFCONFIG_CMD} $1 down
277 # get_if_var if var [default]
278 # Return the value of the pseudo-hash corresponding to $if where
279 # $var is a string containg the sub-string "IF" which will be
280 # replaced with $if after the characters defined in _punct are
281 # replaced with '_'. If the variable is unset, replace it with
285 local _if _punct _punct_c _var _default prefix suffix
287 if [ $# -ne 2 -a $# -ne 3 ]; then
288 err 3 'USAGE: get_if_var name var [default]'
293 ltr ${_if} "${_punct}" '_' _if
299 eval echo \${${prefix}${_if}${suffix}-${_default}}
302 # _ifconfig_getargs if [af]
303 # Prints the arguments for the supplied interface to stdout.
304 # Returns 1 if empty. In general, ifconfig_getargs should be used
312 if [ -z "$_ifn" ]; then
316 get_if_var $_ifn ifconfig_IF$_af "$ifconfig_DEFAULT"
319 # ifconfig_getargs if [af]
320 # Takes the result from _ifconfig_getargs and removes pseudo
321 # args such as DHCP and WPA.
324 local _tmpargs _arg _args _vnet
325 _tmpargs=`_ifconfig_getargs $1 $2`
326 if [ $? -eq 1 ]; then
332 for _arg in $_tmpargs; do
334 [Dd][Hh][Cc][Pp]:0) ;;
335 [Nn][Oo][Aa][Uu][Tt][Oo]:0) ;;
336 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]:0) ;;
337 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]:0) ;;
339 [Hh][Oo][Ss][Tt][Aa][Pp]:0) ;;
352 # Returns 0 if the interface should be automatically configured at
353 # boot time and 1 otherwise.
357 _tmpargs=`_ifconfig_getargs $1`
359 for _arg in $_tmpargs; do
361 [Nn][Oo][Aa][Uu][Tt][Oo])
371 # Returns 0 if the interface is a DHCP interface and 1 otherwise.
375 _tmpargs=`_ifconfig_getargs $1`
389 for _arg in $_tmpargs; do
394 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
397 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
407 # Returns 0 if the interface should be configured synchronously and
412 _tmpargs=`_ifconfig_getargs $1`
418 for _arg in $_tmpargs; do
420 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
423 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
429 checkyesno synchronous_dhclient
433 # Returns 0 if the interface is a WPA interface and 1 otherwise.
437 _tmpargs=`_ifconfig_getargs $1`
439 for _arg in $_tmpargs; do
451 # Returns 0 if the interface is a HOSTAP interface and 1 otherwise.
455 _tmpargs=`_ifconfig_getargs $1`
457 for _arg in $_tmpargs; do
459 [Hh][Oo][Ss][Tt][Aa][Pp])
469 # Returns 0 and echo jail if "vnet" keyword is specified on the
470 # interface, and 1 otherwise.
473 local _tmpargs _arg _vnet
474 _tmpargs=`_ifconfig_getargs $1`
477 for _arg in $_tmpargs; do
480 *:1) echo $_arg; return 0 ;;
488 # Returns 0 if the address family is enabled in the kernel
497 check_kern_features ${_af}
503 err 1 "afexists(): Unsupported address family: $_af"
509 # Returns 0 if the interface has no af configuration and 1 otherwise.
537 # Returns 0 if the interface should be configured for IPv6 and
544 if ! afexists inet6; then
548 # lo0 is always IPv6-enabled
555 case "${ipv6_network_interfaces}" in
556 $_if|"$_if "*|*" $_if"|*" $_if "*|[Aa][Uu][Tt][Oo])
557 # True if $ifconfig_IF_ipv6 is defined.
558 _tmpargs=`_ifconfig_getargs $_if ipv6`
559 if [ -n "${_tmpargs}" ]; then
563 # True if $ipv6_prefix_IF is defined.
564 _tmpargs=`get_if_var $_if ipv6_prefix_IF`
565 if [ -n "${_tmpargs}" ]; then
569 # backward compatibility: True if $ipv6_ifconfig_IF is defined.
570 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
571 if [ -n "${_tmpargs}" ]; then
581 # Returns 0 if the interface should be configured for IPv6 with
582 # Stateless Address Configuration; 1 otherwise.
585 local _if _tmpargs _arg
599 if ! ipv6if $_if; then
602 if checkyesno ipv6_gateway_enable; then
605 _tmpargs=`get_if_var $_if ipv6_prefix_IF`
606 if [ -n "${_tmpargs}" ]; then
609 # backward compatibility: $ipv6_enable
611 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
612 if checkyesno ipv6_gateway_enable; then
617 # No accept_rtadv by default on if_bridge(4)
618 # to avoid a conflict with the member
629 _tmpargs=`_ifconfig_getargs $_if ipv6`
630 for _arg in $_tmpargs; do
638 # backward compatibility: $ipv6_ifconfig_IF
639 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
640 for _arg in $_tmpargs; do
652 # Returns 0 if the interface exists and 1 otherwise.
655 [ -z "$1" ] && return 1
656 ${IFCONFIG_CMD} -n $1 > /dev/null 2>&1
660 # add IPv4 addresses to the interface $if
667 # Add 127.0.0.1/8 to lo0 unless otherwise specified.
668 if [ "${_if}" = "lo0" ]; then
669 ifconfig_args=`get_if_var ${_if} ifconfig_IF`
670 if [ -z "${ifconfig_args}" ]; then
671 ${IFCONFIG_CMD} ${_if} inet 127.0.0.1/8 alias
674 ifalias ${_if} inet alias && _ret=0
680 # add IPv6 addresses to the interface $if
687 if ! ipv6if $_if; then
691 ifalias ${_if} inet6 alias && _ret=0
692 ipv6_prefix_hostid_addr_common ${_if} alias && _ret=0
698 # remove IPv4 addresses from the interface $if
701 local _if _ifs _ret inetList oldifs _inet
706 ifalias ${_if} inet -alias && _ret=0
708 inetList="`${IFCONFIG_CMD} ${_if} | grep 'inet ' | tr "\n\t" "$_ifs"`"
712 for _inet in $inetList ; do
713 # get rid of extraneous line
719 _inet=`expr "$_inet" : '.*\(inet \([0-9]\{1,3\}\.\)\{3\}[0-9]\{1,3\}\).*'`
722 ${IFCONFIG_CMD} ${_if} ${_inet} delete
732 # remove IPv6 addresses from the interface $if
735 local _if _ifs _ret inetList oldifs _inet6
740 if ! ipv6if $_if; then
744 ipv6_accept_rtadv_down ${_if} && _ret=0
745 ipv6_prefix_hostid_addr_common ${_if} -alias && _ret=0
746 ifalias ${_if} inet6 -alias && _ret=0
748 inetList="`${IFCONFIG_CMD} ${_if} | grep 'inet6 ' | tr "\n\t" "$_ifs"`"
752 for _inet6 in $inetList ; do
753 # get rid of extraneous line
759 _inet6=`expr "$_inet6" : '.*\(inet6 \([0-9a-f:]*\)\).*'`
762 ${IFCONFIG_CMD} ${_if} ${_inet6} -alias
771 # ifalias if af action
772 # Configure or remove aliases for network interface $if.
773 # It returns 0 if at least one alias was configured or
774 # removed, or 1 if there were none.
781 afexists $2 || return $_ret
784 inet|inet6|link|ether)
785 ifalias_af_common $1 $2 $3 && _ret=0
792 # ifalias_expand_addr af action addr
793 # Expand address range ("N-M") specification in addr.
794 # "addr" must not include an address-family keyword.
795 # The results will include an address-family keyword.
797 ifalias_expand_addr()
805 afexists $_af || return
806 ifalias_expand_addr_$_af $_action $*
809 # ifalias_expand_addr_inet action addr
810 # Helper function for ifalias_expand_addr(). Handles IPv4.
812 ifalias_expand_addr_inet()
814 local _action _arg _cidr _cidr_addr _exargs
815 local _ipaddr _plen _range _iphead _iptail _iplow _iphigh _ipcount
823 case $_action:$_arg:$_exargs in
824 *:*--*) return ;; # invalid
825 tmp:*[0-9]-[0-9]*:*) # to be expanded
828 *:*[0-9]-[0-9]*:*) # to be expanded
830 tmp:*:*netmask*) # already expanded w/ netmask option
831 echo ${_arg%/[0-9]*} $_exargs && return
833 tmp:*:*) # already expanded w/o netmask option
834 echo $_arg $_exargs && return
836 *:*:*netmask*) # already expanded w/ netmask option
837 echo inet ${_arg%/[0-9]*} $_exargs && return
839 *:*:*) # already expanded w/o netmask option
840 echo inet $_arg $_exargs && return
844 for _cidr in $_arg; do
847 # When subnet prefix length is not specified, use /32.
849 $_ipaddr) _plen=32 ;; # "/" character not found
853 IFS=. set -- $_ipaddr
863 _iphead="${_iphead}${_iphead:+.}${_c}"
866 _iptail="${_iptail}${_iptail:+.}${_c}"
874 # clear netmask when removing aliases
875 if [ "$_action" = "-alias" ]; then
880 while [ "$_ipcount" -le "$_iphigh" ]; do
881 _retstr="${_retstr} ${_iphead}${_iphead:+.}${_ipcount}${_iptail:+.}${_iptail}${_plen:+/}${_plen}"
882 if [ $_ipcount -gt $(($_iplow + $netif_ipexpand_max)) ]; then
883 warn "Range specification is too large (${_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."
886 _ipcount=$(($_ipcount + 1))
888 # Forcibly set /32 for remaining aliases.
893 for _c in $_retstr; do
894 ifalias_expand_addr_inet $_action $_c $_exargs
898 # ifalias_expand_addr_inet6 action addr
899 # Helper function for ifalias_expand_addr(). Handles IPv6.
901 ifalias_expand_addr_inet6()
903 local _action _arg _cidr _cidr_addr _exargs
904 local _ipaddr _plen _ipleft _ipright _iplow _iphigh _ipcount
913 case $_action:$_arg:$_exargs in
914 *:*--*:*) return ;; # invalid
915 tmp:*[0-9a-zA-Z]-[0-9a-zA-Z]*:*)# to be expanded
918 *:*[0-9a-zA-Z]-[0-9a-zA-Z]*:*) # to be expanded
920 tmp:*:*prefixlen*) # already expanded w/ prefixlen option
921 echo ${_arg%/[0-9]*} $_exargs && return
923 tmp:*:*) # already expanded w/o prefixlen option
924 echo $_arg $_exargs && return
926 *:*:*prefixlen*) # already expanded w/ prefixlen option
927 echo inet6 ${_arg%/[0-9]*} $_exargs && return
929 *:*:*) # already expanded w/o prefixlen option
930 echo inet6 $_arg $_exargs && return
934 for _cidr in $_arg; do
935 _ipaddr="${_cidr%%/*}"
938 case $_action:$_ipaddr:$_cidr in
939 -alias:*:*) unset _plen ;;
940 *:$_cidr:$_ipaddr) unset _plen ;;
943 if [ "${_ipaddr%:*.*.*.*}" = "$_ipaddr" ]; then
944 # Handle !v4mapped && !v4compat addresses.
946 # The default prefix length is 64.
947 case $_ipaddr:$_cidr in
948 $_cidr:$_ipaddr) _plen="64" ;;
950 _ipleft=${_ipaddr%-*}
951 _ipright=${_ipaddr#*-}
952 _iplow=${_ipleft##*:}
953 _iphigh=${_ipright%%:*}
954 _ipleft=${_ipleft%:*}
955 _ipright=${_ipright#*:}
957 if [ "$_iphigh" = "$_ipright" ]; then
963 if [ -n "$_iplow" -a -n "$_iphigh" ]; then
964 _iplow=$((0x$_iplow))
965 _iphigh=$((0x$_iphigh))
967 while [ $_ipcount -le $_iphigh ]; do
968 _r=`printf "%s:%04x%s%s" \
969 $_ipleft $_ipcount $_ipright \
971 _retstr="$_retstr $_r"
972 if [ $_ipcount -gt $(($_iplow + $netif_ipexpand_max)) ]
974 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" "$_ipright") was processed. Increase \$netif_ipexpand_max in rc.conf."
977 _ipcount=$(($_ipcount + 1))
981 _retstr="${_ipaddr}${_plen:+/}${_plen}"
984 for _c in $_retstr; do
985 ifalias_expand_addr_inet6 $_action $_c $_exargs
988 # v4mapped/v4compat should handle as an IPv4 alias
989 _ipv4part=${_ipaddr##*:}
991 # Adjust prefix length if any. If not, set the
992 # default prefix length as 32.
993 case $_ipaddr:$_cidr in
994 $_cidr:$_ipaddr) _plen=32 ;;
995 *) _plen=$(($_plen - 96)) ;;
998 _retstr=`ifalias_expand_addr_inet \
999 tmp ${_ipv4part}${_plen:+/}${_plen}`
1000 for _c in $_retstr; do
1001 ifalias_expand_addr_inet $_action $_c $_exargs
1007 # ifalias_af_common_handler if af action args
1008 # Helper function for ifalias_af_common().
1010 ifalias_af_common_handler()
1012 local _ret _if _af _action _args _c _tmpargs
1026 # link(ether) does not support address removal.
1027 case $_af:$_action in
1028 link:-alias|ether:-alias) return ;;
1032 for _c in $_args; do
1036 ${_af}\ *[0-9a-fA-F]-*)
1037 ifalias_af_common_handler $_if $_af $_action \
1038 `ifalias_expand_addr $_af $_action ${_tmpargs#${_af}\ }`
1041 ${IFCONFIG_CMD} $_if $_tmpargs $_action && _ret=0
1047 _tmpargs="$_tmpargs $_c"
1051 # Process the last component if any.
1052 if [ -n "$_tmpargs}" ]; then
1054 ${_af}\ *[0-9a-fA-F]-*)
1055 ifalias_af_common_handler $_if $_af $_action \
1056 `ifalias_expand_addr $_af $_action ${_tmpargs#${_af}\ }`
1059 ${IFCONFIG_CMD} $_if $_tmpargs $_action && _ret=0
1067 # ifalias_af_common if af action
1068 # Helper function for ifalias().
1072 local _ret _if _af _action alias ifconfig_args _aliasn _c _tmpargs _iaf
1073 local _vif _punct=".-/+"
1081 # Normalize $_if before using it in a pattern to list_vars()
1082 ltr "$_if" "$_punct" "_" _vif
1084 # ifconfig_IF_aliasN which starts with $_af
1085 for alias in `list_vars ifconfig_${_vif}_alias[0-9]\* |
1086 sort_lite -nk1.$((9+${#_vif}+7))`
1088 eval ifconfig_args=\"\$$alias\"
1090 case $ifconfig_args in
1091 inet\ *) _iaf=inet ;;
1092 inet6\ *) _iaf=inet6 ;;
1093 link\ *) _iaf=link ;;
1094 ether\ *) _iaf=ether ;;
1097 case ${_af}:${_action}:${_iaf}:"${ifconfig_args}" in
1099 _aliasn="$_aliasn $ifconfig_args"
1105 _aliasn="$_aliasn inet $ifconfig_args"
1106 warn "\$${alias} needs leading" \
1107 "\"inet\" keyword for an IPv4 address."
1111 # backward compatibility: ipv6_ifconfig_IF_aliasN.
1114 for alias in `list_vars ipv6_ifconfig_${_vif}_alias[0-9]\* |
1115 sort_lite -nk1.$((14+${#_vif}+7))`
1117 eval ifconfig_args=\"\$$alias\"
1118 case ${_action}:"${ifconfig_args}" in
1123 _aliasn="${_aliasn} inet6 ${ifconfig_args}"
1124 warn "\$${alias} is obsolete. " \
1125 "Use ifconfig_${_vif}_aliasN instead."
1131 # backward compatibility: ipv4_addrs_IF.
1132 for _tmpargs in `get_if_var $_if ipv4_addrs_IF`; do
1133 _aliasn="$_aliasn inet $_tmpargs"
1136 # Handle ifconfig_IF_aliases, ifconfig_IF_aliasN, and the others.
1138 for _c in `get_if_var $_if ifconfig_IF_aliases` $_aliasn; do
1140 inet|inet6|link|ether)
1143 eval ifalias_af_common_handler $_if $_af $_action $_tmpargs && _ret=0
1149 _tmpargs="$_tmpargs $_c"
1152 # Process the last component
1155 ifalias_af_common_handler $_if $_af $_action $_tmpargs && _ret=0
1162 # ipv6_prefix_hostid_addr_common if action
1163 # Add or remove IPv6 prefix + hostid addr on the interface $if
1165 ipv6_prefix_hostid_addr_common()
1167 local _if _action prefix j
1170 prefix=`get_if_var ${_if} ipv6_prefix_IF`
1172 if [ -n "${prefix}" ]; then
1173 for j in ${prefix}; do
1174 # The default prefixlen is 64.
1177 $plen:$j) plen=64 ;;
1181 # Normalize the last part by removing ":"
1184 ${IFCONFIG_CMD} ${_if} inet6 $j:: \
1185 prefixlen $plen eui64 ${_action}
1187 # if I am a router, add subnet router
1188 # anycast address (RFC 2373).
1189 if checkyesno ipv6_gateway_enable; then
1190 ${IFCONFIG_CMD} ${_if} inet6 $j:: \
1191 prefixlen $plen ${_action} anycast
1197 # ipv6_accept_rtadv_up if
1198 # Enable accepting Router Advertisement and send Router
1199 # Solicitation message
1200 ipv6_accept_rtadv_up()
1202 if ipv6_autoconfif $1; then
1203 ${IFCONFIG_CMD} $1 inet6 accept_rtadv up
1204 if [ -x /sbin/rtsol ]; then
1205 /sbin/rtsol ${rtsol_flags} $1
1212 # ipv6_accept_rtadv_down if
1213 # Disable accepting Router Advertisement
1214 ipv6_accept_rtadv_down()
1216 if ipv6_autoconfif $1; then
1217 ${IFCONFIG_CMD} $1 inet6 -accept_rtadv
1222 # Evaluate a startup script for the $if interface.
1223 # It returns 0 if a script was found and processed or
1224 # 1 if no script was found.
1228 if [ -r /etc/start_if.$1 ]; then
1237 # Evaluate a shutdown script for the $if interface.
1238 # It returns 0 if a script was found and processed or
1239 # 1 if no script was found.
1243 if [ -r /etc/stop_if.$1 ]; then
1252 # Create IEEE802.11 interfaces.
1256 local _list _iflist parent child_wlans child create_args debug_flags
1260 # Parse wlans_$parent="$child ..."
1261 for parent in `set | sed -nE 's/wlans_([a-z]+[0-9]+)=.*/\1/p'`; do
1262 child_wlans=`get_if_var $parent wlans_IF`
1263 for child in ${child_wlans}; do
1264 create_args="wlandev $parent `get_if_var $child create_args_IF`"
1265 debug_flags="`get_if_var $child wlandebug_IF`"
1267 ""|$child|$child\ *|*\ $child\ *|*\ $child) ;;
1270 # Skip if ${child} already exists.
1271 if ${IFCONFIG_CMD} $child > /dev/null 2>&1; then
1274 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then
1275 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1277 ${IFCONFIG_CMD} wlan create ${create_args} name $child && cfg=0
1279 if [ $? -eq 0 ]; then
1280 _list="$_list $child"
1282 if [ -n "${debug_flags}" ]; then
1283 wlandebug -i $child ${debug_flags}
1287 if [ -n "${_list# }" ]; then
1288 echo "Created wlan(4) interfaces: ${_list# }."
1290 debug "Created wlan(4)s: ${_list# }"
1294 # Destroy IEEE802.11 interfaces.
1298 local _list _iflist parent child_wlans child
1302 # Parse wlans_$parent="$child ..."
1303 for parent in `set | sed -nE 's/wlans_([a-z]+[0-9]+)=.*/\1/p'`; do
1304 child_wlans=`get_if_var $parent wlans_IF`
1305 for child in ${child_wlans}; do
1307 ""|$child|$child\ *|*\ $child\ *|*\ $child) ;;
1310 # Skip if ${child} doesn't exists.
1311 if ! ${IFCONFIG_CMD} $child > /dev/null 2>&1; then
1314 ${IFCONFIG_CMD} -n ${child} destroy
1315 if [ $? -eq 0 ]; then
1316 _list="$_list $child"
1320 if [ -n "${_list# }" ]; then
1321 echo "Destroyed wlan(4) interfaces: ${_list# }."
1323 debug "Destroyed wlan(4)s: ${_list# }"
1327 # Create cloneable interfaces.
1331 local _list ifn ifopt _iflist _inet6 _n tmpargs
1336 for ifn in ${cloned_interfaces}; do
1338 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS
1340 ""|$ifn|$ifn\ *|*\ $ifn\ *|*\ $ifn) ;;
1345 # epair(4) uses epair[0-9] for creation and
1346 # epair[0-9][ab] for configuration.
1348 # Skip if ${ifn}a or ${ifn}b already exist.
1349 if ${IFCONFIG_CMD} ${ifn}a > /dev/null 2>&1; then
1351 elif ${IFCONFIG_CMD} ${ifn}b > /dev/null 2>&1; then
1354 ${IFCONFIG_CMD} ${ifn} create \
1355 `get_if_var ${ifn} create_args_IF`
1356 if [ $? -eq 0 ]; then
1357 _list="$_list ${ifn}a ${ifn}b"
1361 # Skip if ${ifn} already exists.
1362 if ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
1365 ${IFCONFIG_CMD} ${ifn} create \
1366 `get_if_var ${ifn} create_args_IF`
1367 if [ $? -eq 0 ]; then
1372 if [ -n "$gif_interfaces" ]; then
1373 warn "\$gif_interfaces is obsolete. Use \$cloned_interfaces instead."
1375 for ifn in ${gif_interfaces}; do
1377 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS
1379 ""|$ifn|$ifn\ *|*\ $ifn\ *|*\ $ifn) ;;
1382 # Skip if ifn already exists.
1383 if ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
1388 ${IFCONFIG_CMD} $ifn create
1391 _n=$(${IFCONFIG_CMD} gif create)
1392 ${IFCONFIG_CMD} $_n name $ifn
1395 if [ $? -eq 0 ]; then
1397 tmpargs=$(get_if_var $ifn gifconfig_IF)
1403 tmpargs=${tmpargs#inet6}
1408 ${IFCONFIG_CMD} $ifn $_inet6 tunnel $tmpargs
1413 if [ -n "${_list# }" ]; then
1414 echo "Created clone interfaces: ${_list# }."
1416 debug "Cloned: ${_list# }"
1420 # Destroy cloned interfaces. Destroyed interfaces are echoed to
1425 local _list ifn _difn ifopt _iflist _sticky
1429 : ${cloned_interfaces_sticky:=NO}
1430 if checkyesno cloned_interfaces_sticky; then
1435 for ifn in ${cloned_interfaces} ${gif_interfaces}; do
1437 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS
1438 case $ifopt:$_sticky in
1439 sticky:*) continue ;; # :sticky => not destroy
1440 nosticky:*) ;; # :nosticky => destroy
1441 *:1) continue ;; # global sticky knob == 1
1444 ""|$ifn|$ifn\ *|*\ $ifn\ *|*\ $ifn) ;;
1449 # Note: epair(4) uses epair[0-9] for removal and
1450 # epair[0-9][ab] for configuration.
1452 # Skip if both of ${ifn}a and ${ifn}b do not exist.
1453 if ${IFCONFIG_CMD} ${ifn}a > /dev/null 2>&1; then
1455 elif ${IFCONFIG_CMD} ${ifn}b > /dev/null 2>&1; then
1460 ${IFCONFIG_CMD} -n $_difn destroy
1461 if [ $? -eq 0 ]; then
1462 _list="$_list ${ifn}a ${ifn}b"
1466 # Skip if ifn does not exist.
1467 if ! ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
1470 ${IFCONFIG_CMD} -n ${ifn} destroy
1471 if [ $? -eq 0 ]; then
1477 if [ -n "${_list# }" ]; then
1478 echo "Destroyed clone interfaces: ${_list# }."
1480 debug "Destroyed clones: ${_list# }"
1484 # Create and configure child interfaces. Return 0 if child
1485 # interfaces are created.
1489 local cfg child child_vlans create_args debug_flags ifn i
1493 # Create vlan interfaces
1494 child_vlans=`get_if_var $ifn vlans_IF`
1496 if [ -n "${child_vlans}" ]; then
1500 for child in ${child_vlans}; do
1501 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1502 child="${ifn}.${child}"
1503 create_args=`get_if_var $child create_args_IF`
1504 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1506 create_args="vlandev $ifn `get_if_var $child create_args_IF`"
1507 if expr $child : 'vlan[0-9][0-9]*$' >/dev/null 2>&1; then
1508 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1510 i=`${IFCONFIG_CMD} vlan create ${create_args}`
1511 ${IFCONFIG_CMD} $i name $child && cfg=0
1514 if autoif $child; then
1523 # Destroy child interfaces.
1527 local cfg child child_vlans ifn
1530 child_vlans=`get_if_var $ifn vlans_IF`
1531 for child in ${child_vlans}; do
1532 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1533 child="${ifn}.${child}"
1535 if ! ifexists $child; then
1538 ${IFCONFIG_CMD} -n $child destroy && cfg=0
1545 # Create netgraph nodes.
1549 ngctl -f - 2> /dev/null <<EOF
1556 # Create netgraph nodes.
1562 ng_mkpeer $* | while read line; do
1563 t=`expr "${line}" : '.* name="\([a-z]*[0-9]*\)" .*'`
1564 if [ -n "${t}" ]; then
1571 # ifnet_rename [ifname]
1572 # Rename interfaces if ifconfig_IF_name is defined.
1579 for _if in ${*:-$(${IFCONFIG_CMD} -l)}; do
1580 _ifname=`get_if_var $_if ifconfig_IF_name`
1581 if [ ! -z "$_ifname" ]; then
1582 ${IFCONFIG_CMD} $_if name $_ifname
1589 # list_net_interfaces type
1590 # List all network interfaces. The type of interface returned
1591 # can be controlled by the type argument. The type
1592 # argument can be any of the following:
1593 # nodhcp - all interfaces, excluding DHCP configured interfaces
1594 # dhcp - list only DHCP configured interfaces
1595 # noautoconf - all interfaces, excluding IPv6 Stateless
1596 # Address Autoconf configured interfaces
1597 # autoconf - list only IPv6 Stateless Address Autoconf
1598 # configured interfaces
1599 # If no argument is specified all network interfaces are output.
1600 # Note that the list will include cloned interfaces if applicable.
1601 # Cloned interfaces must already exist to have a chance to appear
1602 # in the list if ${network_interfaces} is set to `auto'.
1604 list_net_interfaces()
1606 local type _tmplist _list _autolist _lo _if
1609 # Get a list of ALL the interfaces and make lo0 first if it's there.
1612 case ${network_interfaces} in
1614 _autolist="`${IFCONFIG_CMD} -l`"
1616 for _if in ${_autolist} ; do
1617 if autoif $_if; then
1618 if [ "$_if" = "lo0" ]; then
1621 _tmplist="${_tmplist} ${_if}"
1625 _tmplist="${_lo}${_tmplist# }"
1628 for _if in ${network_interfaces} ${cloned_interfaces}; do
1629 # epair(4) uses epair[0-9] for creation and
1630 # epair[0-9][ab] for configuration.
1633 _tmplist="$_tmplist ${_if}a ${_if}b"
1636 _tmplist="$_tmplist $_if"
1641 # lo0 is effectively mandatory, so help prevent foot-shooting
1644 lo0|'lo0 '*|*' lo0'|*' lo0 '*)
1645 # This is fine, do nothing
1646 _tmplist="${_tmplist# }"
1649 _tmplist="lo0 ${_tmplist# }"
1658 for _if in ${_tmplist} ; do
1659 if ! dhcpif $_if && \
1660 [ -n "`_ifconfig_getargs $_if`" ]; then
1661 _list="${_list# } ${_if}"
1666 for _if in ${_tmplist} ; do
1667 if dhcpif $_if; then
1668 _list="${_list# } ${_if}"
1673 for _if in ${_tmplist} ; do
1674 if ! ipv6_autoconfif $_if && \
1675 [ -n "`_ifconfig_getargs $_if ipv6`" ]; then
1676 _list="${_list# } ${_if}"
1681 for _if in ${_tmplist} ; do
1682 if ipv6_autoconfif $_if; then
1683 _list="${_list# } ${_if}"
1697 # get_default_if -address_family
1698 # Get the interface of the default route for the given address family.
1699 # The -address_family argument must be suitable passing to route(8).
1703 local routeget oldifs defif line
1708 for line in `route -n get $1 default 2>/dev/null`; do
1721 # Echo decimal number $arg (single digit) in hexadecimal format.
1728 # Echo decimal number $arg (multiple digits) in hexadecimal format.
1734 is_wired_interface()
1738 case `${IFCONFIG_CMD} $1 2>/dev/null` in
1739 *media:?Ethernet*) media=Ethernet ;;
1742 test "$media" = "Ethernet"
1745 # network6_getladdr if [flag]
1746 # Echo link-local address from $if if any.
1747 # If flag is defined, tentative ones will be excluded.
1750 local _if _flag proto addr rest
1754 ${IFCONFIG_CMD} $_if 2>/dev/null | while read proto addr rest; do
1755 case "${proto}/${addr}/${_flag}/${rest}" in
1759 inet6/fe80:://*tentative*) # w/o flag
1760 sleep `${SYSCTL_N} net.inet6.ip6.dad_count`
1761 network6_getladdr $_if $_flags
1763 inet6/fe80::/*/*tentative*) # w/ flag