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
263 /etc/rc.d/dhclient stop $1
268 ${IFCONFIG_CMD} $1 down
275 # get_if_var if var [default]
276 # Return the value of the pseudo-hash corresponding to $if where
277 # $var is a string containg the sub-string "IF" which will be
278 # replaced with $if after the characters defined in _punct are
279 # replaced with '_'. If the variable is unset, replace it with
283 local _if _punct _punct_c _var _default prefix suffix
285 if [ $# -ne 2 -a $# -ne 3 ]; then
286 err 3 'USAGE: get_if_var name var [default]'
291 ltr ${_if} "${_punct}" '_' _if
297 eval echo \${${prefix}${_if}${suffix}-${_default}}
300 # _ifconfig_getargs if [af]
301 # Prints the arguments for the supplied interface to stdout.
302 # Returns 1 if empty. In general, ifconfig_getargs should be used
310 if [ -z "$_ifn" ]; then
314 get_if_var $_ifn ifconfig_IF$_af "$ifconfig_DEFAULT"
317 # ifconfig_getargs if [af]
318 # Takes the result from _ifconfig_getargs and removes pseudo
319 # args such as DHCP and WPA.
322 local _tmpargs _arg _args _vnet
323 _tmpargs=`_ifconfig_getargs $1 $2`
324 if [ $? -eq 1 ]; then
330 for _arg in $_tmpargs; do
332 [Dd][Hh][Cc][Pp]:0) ;;
333 [Nn][Oo][Aa][Uu][Tt][Oo]:0) ;;
334 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]:0) ;;
335 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]:0) ;;
337 [Hh][Oo][Ss][Tt][Aa][Pp]:0) ;;
350 # Returns 0 if the interface should be automatically configured at
351 # boot time and 1 otherwise.
355 _tmpargs=`_ifconfig_getargs $1`
357 for _arg in $_tmpargs; do
359 [Nn][Oo][Aa][Uu][Tt][Oo])
369 # Returns 0 if the interface is a DHCP interface and 1 otherwise.
373 _tmpargs=`_ifconfig_getargs $1`
387 for _arg in $_tmpargs; do
392 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
395 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
405 # Returns 0 if the interface should be configured synchronously and
410 _tmpargs=`_ifconfig_getargs $1`
416 for _arg in $_tmpargs; do
418 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
421 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
427 checkyesno synchronous_dhclient
431 # Returns 0 if the interface is a WPA interface and 1 otherwise.
435 _tmpargs=`_ifconfig_getargs $1`
437 for _arg in $_tmpargs; do
449 # Returns 0 if the interface is a HOSTAP interface and 1 otherwise.
453 _tmpargs=`_ifconfig_getargs $1`
455 for _arg in $_tmpargs; do
457 [Hh][Oo][Ss][Tt][Aa][Pp])
467 # Returns 0 and echo jail if "vnet" keyword is specified on the
468 # interface, and 1 otherwise.
471 local _tmpargs _arg _vnet
472 _tmpargs=`_ifconfig_getargs $1`
475 for _arg in $_tmpargs; do
478 *:1) echo $_arg; return 0 ;;
486 # Returns 0 if the address family is enabled in the kernel
495 check_kern_features ${_af}
498 if [ -x /sbin/atmconfig ]; then
499 /sbin/atmconfig diag list > /dev/null 2>&1
508 err 1 "afexists(): Unsupported address family: $_af"
514 # Returns 0 if the interface has no af configuration and 1 otherwise.
542 # Returns 0 if the interface should be configured for IPv6 and
549 if ! afexists inet6; then
553 # lo0 is always IPv6-enabled
560 case "${ipv6_network_interfaces}" in
561 $_if|"$_if "*|*" $_if"|*" $_if "*|[Aa][Uu][Tt][Oo])
562 # True if $ifconfig_IF_ipv6 is defined.
563 _tmpargs=`_ifconfig_getargs $_if ipv6`
564 if [ -n "${_tmpargs}" ]; then
568 # True if $ipv6_prefix_IF is defined.
569 _tmpargs=`get_if_var $_if ipv6_prefix_IF`
570 if [ -n "${_tmpargs}" ]; then
574 # backward compatibility: True if $ipv6_ifconfig_IF is defined.
575 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
576 if [ -n "${_tmpargs}" ]; then
586 # Returns 0 if the interface should be configured for IPv6 with
587 # Stateless Address Configuration; 1 otherwise.
590 local _if _tmpargs _arg
604 if ! ipv6if $_if; then
607 if checkyesno ipv6_gateway_enable; then
610 _tmpargs=`get_if_var $_if ipv6_prefix_IF`
611 if [ -n "${_tmpargs}" ]; then
614 # backward compatibility: $ipv6_enable
616 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
617 if checkyesno ipv6_gateway_enable; then
622 # No accept_rtadv by default on if_bridge(4)
623 # to avoid a conflict with the member
634 _tmpargs=`_ifconfig_getargs $_if ipv6`
635 for _arg in $_tmpargs; do
643 # backward compatibility: $ipv6_ifconfig_IF
644 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
645 for _arg in $_tmpargs; do
657 # Returns 0 if the interface exists and 1 otherwise.
660 [ -z "$1" ] && return 1
661 ${IFCONFIG_CMD} -n $1 > /dev/null 2>&1
665 # add IPv4 addresses to the interface $if
672 # Add 127.0.0.1/8 to lo0 unless otherwise specified.
673 if [ "${_if}" = "lo0" ]; then
674 ifconfig_args=`get_if_var ${_if} ifconfig_IF`
675 if [ -z "${ifconfig_args}" ]; then
676 ${IFCONFIG_CMD} ${_if} inet 127.0.0.1/8 alias
679 ifalias ${_if} inet alias && _ret=0
685 # add IPv6 addresses to the interface $if
692 if ! ipv6if $_if; then
696 ifalias ${_if} inet6 alias && _ret=0
697 ipv6_prefix_hostid_addr_common ${_if} alias && _ret=0
698 ipv6_accept_rtadv_up ${_if} && _ret=0
704 # remove IPv4 addresses from the interface $if
707 local _if _ifs _ret inetList oldifs _inet
712 ifalias ${_if} inet -alias && _ret=0
714 inetList="`${IFCONFIG_CMD} ${_if} | grep 'inet ' | tr "\n\t" "$_ifs"`"
718 for _inet in $inetList ; do
719 # get rid of extraneous line
725 _inet=`expr "$_inet" : '.*\(inet \([0-9]\{1,3\}\.\)\{3\}[0-9]\{1,3\}\).*'`
728 ${IFCONFIG_CMD} ${_if} ${_inet} delete
738 # remove IPv6 addresses from the interface $if
741 local _if _ifs _ret inetList oldifs _inet6
746 if ! ipv6if $_if; then
750 ipv6_accept_rtadv_down ${_if} && _ret=0
751 ipv6_prefix_hostid_addr_common ${_if} -alias && _ret=0
752 ifalias ${_if} inet6 -alias && _ret=0
754 inetList="`${IFCONFIG_CMD} ${_if} | grep 'inet6 ' | tr "\n\t" "$_ifs"`"
758 for _inet6 in $inetList ; do
759 # get rid of extraneous line
765 _inet6=`expr "$_inet6" : '.*\(inet6 \([0-9a-f:]*\)\).*'`
768 ${IFCONFIG_CMD} ${_if} ${_inet6} -alias
777 # ifalias if af action
778 # Configure or remove aliases for network interface $if.
779 # It returns 0 if at least one alias was configured or
780 # removed, or 1 if there were none.
787 afexists $2 || return $_ret
790 inet|inet6|link|ether)
791 ifalias_af_common $1 $2 $3 && _ret=0
798 # ifalias_expand_addr af action addr
799 # Expand address range ("N-M") specification in addr.
800 # "addr" must not include an address-family keyword.
801 # The results will include an address-family keyword.
803 ifalias_expand_addr()
811 afexists $_af || return
812 ifalias_expand_addr_$_af $_action $*
815 # ifalias_expand_addr_inet action addr
816 # Helper function for ifalias_expand_addr(). Handles IPv4.
818 ifalias_expand_addr_inet()
820 local _action _arg _cidr _cidr_addr _exargs
821 local _ipaddr _plen _range _iphead _iptail _iplow _iphigh _ipcount
829 case $_action:$_arg:$_exargs in
830 *:*--*) return ;; # invalid
831 tmp:*[0-9]-[0-9]*:*) # to be expanded
834 *:*[0-9]-[0-9]*:*) # to be expanded
836 tmp:*:*netmask*) # already expanded w/ netmask option
837 echo ${_arg%/[0-9]*} $_exargs && return
839 tmp:*:*) # already expanded w/o netmask option
840 echo $_arg $_exargs && return
842 *:*:*netmask*) # already expanded w/ netmask option
843 echo inet ${_arg%/[0-9]*} $_exargs && return
845 *:*:*) # already expanded w/o netmask option
846 echo inet $_arg $_exargs && return
850 for _cidr in $_arg; do
853 # When subnet prefix length is not specified, use /32.
855 $_ipaddr) _plen=32 ;; # "/" character not found
859 IFS=. set -- $_ipaddr
869 _iphead="${_iphead}${_iphead:+.}${_c}"
872 _iptail="${_iptail}${_iptail:+.}${_c}"
880 # clear netmask when removing aliases
881 if [ "$_action" = "-alias" ]; then
886 while [ "$_ipcount" -le "$_iphigh" ]; do
887 _retstr="${_retstr} ${_iphead}${_iphead:+.}${_ipcount}${_iptail:+.}${_iptail}${_plen:+/}${_plen}"
888 if [ $_ipcount -gt $(($_iplow + $netif_ipexpand_max)) ]; then
889 warn "Range specification is too large (${_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."
892 _ipcount=$(($_ipcount + 1))
894 # Forcibly set /32 for remaining aliases.
899 for _c in $_retstr; do
900 ifalias_expand_addr_inet $_action $_c $_exargs
904 # ifalias_expand_addr_inet6 action addr
905 # Helper function for ifalias_expand_addr(). Handles IPv6.
907 ifalias_expand_addr_inet6()
909 local _action _arg _cidr _cidr_addr _exargs
910 local _ipaddr _plen _ipleft _ipright _iplow _iphigh _ipcount
919 case $_action:$_arg:$_exargs in
920 *:*--*:*) return ;; # invalid
921 tmp:*[0-9a-zA-Z]-[0-9a-zA-Z]*:*)# to be expanded
924 *:*[0-9a-zA-Z]-[0-9a-zA-Z]*:*) # to be expanded
926 tmp:*:*prefixlen*) # already expanded w/ prefixlen option
927 echo ${_arg%/[0-9]*} $_exargs && return
929 tmp:*:*) # already expanded w/o prefixlen option
930 echo $_arg $_exargs && return
932 *:*:*prefixlen*) # already expanded w/ prefixlen option
933 echo inet6 ${_arg%/[0-9]*} $_exargs && return
935 *:*:*) # already expanded w/o prefixlen option
936 echo inet6 $_arg $_exargs && return
940 for _cidr in $_arg; do
941 _ipaddr="${_cidr%%/*}"
944 case $_action:$_ipaddr:$_cidr in
945 -alias:*:*) unset _plen ;;
946 *:$_cidr:$_ipaddr) unset _plen ;;
949 if [ "${_ipaddr%:*.*.*.*}" = "$_ipaddr" ]; then
950 # Handle !v4mapped && !v4compat addresses.
952 # The default prefix length is 64.
953 case $_ipaddr:$_cidr in
954 $_cidr:$_ipaddr) _plen="64" ;;
956 _ipleft=${_ipaddr%-*}
957 _ipright=${_ipaddr#*-}
958 _iplow=${_ipleft##*:}
959 _iphigh=${_ipright%%:*}
960 _ipleft=${_ipleft%:*}
961 _ipright=${_ipright#*:}
963 if [ "$_iphigh" = "$_ipright" ]; then
969 if [ -n "$_iplow" -a -n "$_iphigh" ]; then
970 _iplow=$((0x$_iplow))
971 _iphigh=$((0x$_iphigh))
973 while [ $_ipcount -le $_iphigh ]; do
974 _r=`printf "%s:%04x%s%s" \
975 $_ipleft $_ipcount $_ipright \
977 _retstr="$_retstr $_r"
978 if [ $_ipcount -gt $(($_iplow + $netif_ipexpand_max)) ]
980 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" "$_ipright") was processed. Increase \$netif_ipexpand_max in rc.conf."
983 _ipcount=$(($_ipcount + 1))
987 _retstr="${_ipaddr}${_plen:+/}${_plen}"
990 for _c in $_retstr; do
991 ifalias_expand_addr_inet6 $_action $_c $_exargs
994 # v4mapped/v4compat should handle as an IPv4 alias
995 _ipv4part=${_ipaddr##*:}
997 # Adjust prefix length if any. If not, set the
998 # default prefix length as 32.
999 case $_ipaddr:$_cidr in
1000 $_cidr:$_ipaddr) _plen=32 ;;
1001 *) _plen=$(($_plen - 96)) ;;
1004 _retstr=`ifalias_expand_addr_inet \
1005 tmp ${_ipv4part}${_plen:+/}${_plen}`
1006 for _c in $_retstr; do
1007 ifalias_expand_addr_inet $_action $_c $_exargs
1013 # ifalias_af_common_handler if af action args
1014 # Helper function for ifalias_af_common().
1016 ifalias_af_common_handler()
1018 local _ret _if _af _action _args _c _tmpargs
1032 # link(ether) does not support address removal.
1033 case $_af:$_action in
1034 link:-alias|ether:-alias) return ;;
1038 for _c in $_args; do
1042 ${_af}\ *[0-9a-fA-F]-*)
1043 ifalias_af_common_handler $_if $_af $_action \
1044 `ifalias_expand_addr $_af $_action ${_tmpargs#${_af}\ }`
1047 ${IFCONFIG_CMD} $_if $_tmpargs $_action && _ret=0
1053 _tmpargs="$_tmpargs $_c"
1057 # Process the last component if any.
1058 if [ -n "$_tmpargs}" ]; then
1060 ${_af}\ *[0-9a-fA-F]-*)
1061 ifalias_af_common_handler $_if $_af $_action \
1062 `ifalias_expand_addr $_af $_action ${_tmpargs#${_af}\ }`
1065 ${IFCONFIG_CMD} $_if $_tmpargs $_action && _ret=0
1073 # ifalias_af_common if af action
1074 # Helper function for ifalias().
1078 local _ret _if _af _action alias ifconfig_args _aliasn _c _tmpargs _iaf
1079 local _vif _punct=".-/+"
1087 # Normalize $_if before using it in a pattern to list_vars()
1088 ltr "$_if" "$_punct" "_" _vif
1090 # ifconfig_IF_aliasN which starts with $_af
1091 for alias in `list_vars ifconfig_${_vif}_alias[0-9]\* |
1092 sort_lite -nk1.$((9+${#_vif}+7))`
1094 eval ifconfig_args=\"\$$alias\"
1096 case $ifconfig_args in
1097 inet\ *) _iaf=inet ;;
1098 inet6\ *) _iaf=inet6 ;;
1099 link\ *) _iaf=link ;;
1100 ether\ *) _iaf=ether ;;
1103 case ${_af}:${_action}:${_iaf}:"${ifconfig_args}" in
1105 _aliasn="$_aliasn $ifconfig_args"
1111 _aliasn="$_aliasn inet $ifconfig_args"
1112 warn "\$${alias} needs leading" \
1113 "\"inet\" keyword for an IPv4 address."
1117 # backward compatibility: ipv6_ifconfig_IF_aliasN.
1120 for alias in `list_vars ipv6_ifconfig_${_vif}_alias[0-9]\* |
1121 sort_lite -nk1.$((14+${#_vif}+7))`
1123 eval ifconfig_args=\"\$$alias\"
1124 case ${_action}:"${ifconfig_args}" in
1129 _aliasn="${_aliasn} inet6 ${ifconfig_args}"
1130 warn "\$${alias} is obsolete. " \
1131 "Use ifconfig_${_vif}_aliasN instead."
1137 # backward compatibility: ipv4_addrs_IF.
1138 for _tmpargs in `get_if_var $_if ipv4_addrs_IF`; do
1139 _aliasn="$_aliasn inet $_tmpargs"
1142 # Handle ifconfig_IF_aliases, ifconfig_IF_aliasN, and the others.
1144 for _c in `get_if_var $_if ifconfig_IF_aliases` $_aliasn; do
1146 inet|inet6|link|ether)
1149 eval ifalias_af_common_handler $_if $_af $_action $_tmpargs && _ret=0
1155 _tmpargs="$_tmpargs $_c"
1158 # Process the last component
1161 ifalias_af_common_handler $_if $_af $_action $_tmpargs && _ret=0
1168 # ipv6_prefix_hostid_addr_common if action
1169 # Add or remove IPv6 prefix + hostid addr on the interface $if
1171 ipv6_prefix_hostid_addr_common()
1173 local _if _action prefix j
1176 prefix=`get_if_var ${_if} ipv6_prefix_IF`
1178 if [ -n "${prefix}" ]; then
1179 for j in ${prefix}; do
1180 # The default prefixlen is 64.
1183 $plen:$j) plen=64 ;;
1187 # Normalize the last part by removing ":"
1190 ${IFCONFIG_CMD} ${_if} inet6 $j:: \
1191 prefixlen $plen eui64 ${_action}
1193 # if I am a router, add subnet router
1194 # anycast address (RFC 2373).
1195 if checkyesno ipv6_gateway_enable; then
1196 ${IFCONFIG_CMD} ${_if} inet6 $j:: \
1197 prefixlen $plen ${_action} anycast
1203 # ipv6_accept_rtadv_up if
1204 # Enable accepting Router Advertisement and send Router
1205 # Solicitation message
1206 ipv6_accept_rtadv_up()
1208 if ipv6_autoconfif $1; then
1209 ${IFCONFIG_CMD} $1 inet6 accept_rtadv up
1210 if ! checkyesno rtsold_enable; then
1211 rtsol ${rtsol_flags} $1
1216 # ipv6_accept_rtadv_down if
1217 # Disable accepting Router Advertisement
1218 ipv6_accept_rtadv_down()
1220 if ipv6_autoconfif $1; then
1221 ${IFCONFIG_CMD} $1 inet6 -accept_rtadv
1226 # Evaluate a startup script for the $if interface.
1227 # It returns 0 if a script was found and processed or
1228 # 1 if no script was found.
1232 if [ -r /etc/start_if.$1 ]; then
1241 # Evaluate a shutdown script for the $if interface.
1242 # It returns 0 if a script was found and processed or
1243 # 1 if no script was found.
1247 if [ -r /etc/stop_if.$1 ]; then
1256 # Create IEEE802.11 interfaces.
1260 local _list _iflist parent child_wlans child create_args debug_flags
1264 # Parse wlans_$parent="$child ..."
1265 for parent in `set | sed -nE 's/wlans_([a-z]+[0-9]+)=.*/\1/p'`; do
1266 child_wlans=`get_if_var $parent wlans_IF`
1267 for child in ${child_wlans}; do
1268 create_args="wlandev $parent `get_if_var $child create_args_IF`"
1269 debug_flags="`get_if_var $child wlandebug_IF`"
1271 ""|$child|$child\ *|*\ $child\ *|*\ $child) ;;
1274 # Skip if ${child} already exists.
1275 if ${IFCONFIG_CMD} $child > /dev/null 2>&1; then
1278 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then
1279 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1280 if [ $? -eq 0 ]; then
1281 _list="$_list $child"
1283 if [ -n "${debug_flags}" ]; then
1284 wlandebug -i $child ${debug_flags}
1287 i=`${IFCONFIG_CMD} wlan create ${create_args}`
1288 # XXXGL: wlandebug should accept any name
1289 if [ -n "${debug_flags}" ]; then
1290 wlandebug -i $i ${debug_flags}
1292 ${IFCONFIG_CMD} $i name $child && cfg=0
1293 if [ $? -eq 0 ]; then
1294 _list="$_list $child"
1299 if [ -n "${_list# }" ]; then
1300 echo "Created wlan(4) interfaces: ${_list# }."
1302 debug "Created wlan(4)s: ${_list# }"
1306 # Destroy IEEE802.11 interfaces.
1310 local _list _iflist parent child_wlans child
1314 # Parse wlans_$parent="$child ..."
1315 for parent in `set | sed -nE 's/wlans_([a-z]+[0-9]+)=.*/\1/p'`; do
1316 child_wlans=`get_if_var $parent wlans_IF`
1317 for child in ${child_wlans}; do
1319 ""|$child|$child\ *|*\ $child\ *|*\ $child) ;;
1322 # Skip if ${child} doesn't exists.
1323 if ! ${IFCONFIG_CMD} $child > /dev/null 2>&1; then
1326 ${IFCONFIG_CMD} -n ${child} destroy
1327 if [ $? -eq 0 ]; then
1328 _list="$_list $child"
1332 if [ -n "${_list# }" ]; then
1333 echo "Destroyed wlan(4) interfaces: ${_list# }."
1335 debug "Destroyed wlan(4)s: ${_list# }"
1339 # Create cloneable interfaces.
1343 local _list ifn ifopt _iflist _n tmpargs
1348 for ifn in ${cloned_interfaces}; do
1350 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS
1352 ""|$ifn|$ifn\ *|*\ $ifn\ *|*\ $ifn) ;;
1357 # epair(4) uses epair[0-9] for creation and
1358 # epair[0-9][ab] for configuration.
1360 # Skip if ${ifn}a or ${ifn}b already exist.
1361 if ${IFCONFIG_CMD} ${ifn}a > /dev/null 2>&1; then
1363 elif ${IFCONFIG_CMD} ${ifn}b > /dev/null 2>&1; then
1366 ${IFCONFIG_CMD} ${ifn} create \
1367 `get_if_var ${ifn} create_args_IF`
1368 if [ $? -eq 0 ]; then
1369 _list="$_list ${ifn}a ${ifn}b"
1373 # Skip if ${ifn} already exists.
1374 if ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
1377 ${IFCONFIG_CMD} ${ifn} create \
1378 `get_if_var ${ifn} create_args_IF`
1379 if [ $? -eq 0 ]; then
1384 if [ -n "$gif_interfaces" ]; then
1385 warn "\$gif_interfaces is obsolete. Use \$cloned_interfaces instead."
1387 for ifn in ${gif_interfaces}; do
1389 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS
1391 ""|$ifn|$ifn\ *|*\ $ifn\ *|*\ $ifn) ;;
1394 # Skip if ifn already exists.
1395 if ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
1400 ${IFCONFIG_CMD} $ifn create
1403 _n=$(${IFCONFIG_CMD} gif create)
1404 ${IFCONFIG_CMD} $_n name $ifn
1407 if [ $? -eq 0 ]; then
1410 tmpargs=$(get_if_var $ifn gifconfig_IF)
1411 eval ifconfig_${ifn}=\"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.
1487 # XXXGL: the wlan code in this functions is superseded by wlan_up(),
1488 # and will go away soon.
1492 local cfg child child_vlans child_wlans create_args debug_flags ifn i
1496 # Create wireless interfaces
1497 child_wlans=`get_if_var $ifn wlans_IF`
1499 for child in ${child_wlans}; do
1500 create_args="wlandev $ifn `get_if_var $child create_args_IF`"
1501 debug_flags="`get_if_var $child wlandebug_IF`"
1503 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then
1504 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1505 if [ -n "${debug_flags}" ]; then
1506 wlandebug -i $child ${debug_flags}
1509 i=`${IFCONFIG_CMD} wlan create ${create_args}`
1510 if [ -n "${debug_flags}" ]; then
1511 wlandebug -i $i ${debug_flags}
1513 ${IFCONFIG_CMD} $i name $child && cfg=0
1515 if autoif $child; then
1520 # Create vlan interfaces
1521 child_vlans=`get_if_var $ifn vlans_IF`
1523 if [ -n "${child_vlans}" ]; then
1527 for child in ${child_vlans}; do
1528 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1529 child="${ifn}.${child}"
1530 create_args=`get_if_var $child create_args_IF`
1531 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1533 create_args="vlandev $ifn `get_if_var $child create_args_IF`"
1534 if expr $child : 'vlan[0-9][0-9]*$' >/dev/null 2>&1; then
1535 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1537 i=`${IFCONFIG_CMD} vlan create ${create_args}`
1538 ${IFCONFIG_CMD} $i name $child && cfg=0
1541 if autoif $child; then
1550 # Destroy child interfaces.
1554 local cfg child child_vlans child_wlans ifn
1557 child_wlans=`get_if_var $ifn wlans_IF`
1558 for child in ${child_wlans}; do
1559 if ! ifexists $child; then
1562 ${IFCONFIG_CMD} -n $child destroy && cfg=0
1565 child_vlans=`get_if_var $ifn vlans_IF`
1566 for child in ${child_vlans}; do
1567 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1568 child="${ifn}.${child}"
1570 if ! ifexists $child; then
1573 ${IFCONFIG_CMD} -n $child destroy && cfg=0
1580 # Create netgraph nodes.
1584 ngctl -f - 2> /dev/null <<EOF
1591 # Create netgraph nodes.
1597 ng_mkpeer $* | while read line; do
1598 t=`expr "${line}" : '.* name="\([a-z]*[0-9]*\)" .*'`
1599 if [ -n "${t}" ]; then
1606 # ifnet_rename [ifname]
1607 # Rename interfaces if ifconfig_IF_name is defined.
1614 for _if in ${*:-$(${IFCONFIG_CMD} -l)}; do
1615 _ifname=`get_if_var $_if ifconfig_IF_name`
1616 if [ ! -z "$_ifname" ]; then
1617 ${IFCONFIG_CMD} $_if name $_ifname
1624 # list_net_interfaces type
1625 # List all network interfaces. The type of interface returned
1626 # can be controlled by the type argument. The type
1627 # argument can be any of the following:
1628 # nodhcp - all interfaces, excluding DHCP configured interfaces
1629 # dhcp - list only DHCP configured interfaces
1630 # noautoconf - all interfaces, excluding IPv6 Stateless
1631 # Address Autoconf configured interfaces
1632 # autoconf - list only IPv6 Stateless Address Autoconf
1633 # configured interfaces
1634 # If no argument is specified all network interfaces are output.
1635 # Note that the list will include cloned interfaces if applicable.
1636 # Cloned interfaces must already exist to have a chance to appear
1637 # in the list if ${network_interfaces} is set to `auto'.
1639 list_net_interfaces()
1641 local type _tmplist _list _autolist _lo _if
1644 # Get a list of ALL the interfaces and make lo0 first if it's there.
1647 case ${network_interfaces} in
1649 _autolist="`${IFCONFIG_CMD} -l`"
1651 for _if in ${_autolist} ; do
1652 if autoif $_if; then
1653 if [ "$_if" = "lo0" ]; then
1656 _tmplist="${_tmplist} ${_if}"
1660 _tmplist="${_lo}${_tmplist# }"
1663 for _if in ${network_interfaces} ${cloned_interfaces}; do
1664 # epair(4) uses epair[0-9] for creation and
1665 # epair[0-9][ab] for configuration.
1668 _tmplist="$_tmplist ${_if}a ${_if}b"
1671 _tmplist="$_tmplist $_if"
1676 # lo0 is effectively mandatory, so help prevent foot-shooting
1679 lo0|'lo0 '*|*' lo0'|*' lo0 '*)
1680 # This is fine, do nothing
1681 _tmplist="${_tmplist# }"
1684 _tmplist="lo0 ${_tmplist# }"
1693 for _if in ${_tmplist} ; do
1694 if ! dhcpif $_if && \
1695 [ -n "`_ifconfig_getargs $_if`" ]; then
1696 _list="${_list# } ${_if}"
1701 for _if in ${_tmplist} ; do
1702 if dhcpif $_if; then
1703 _list="${_list# } ${_if}"
1708 for _if in ${_tmplist} ; do
1709 if ! ipv6_autoconfif $_if && \
1710 [ -n "`_ifconfig_getargs $_if ipv6`" ]; then
1711 _list="${_list# } ${_if}"
1716 for _if in ${_tmplist} ; do
1717 if ipv6_autoconfif $_if; then
1718 _list="${_list# } ${_if}"
1732 # get_default_if -address_family
1733 # Get the interface of the default route for the given address family.
1734 # The -address_family argument must be suitable passing to route(8).
1738 local routeget oldifs defif line
1743 for line in `route -n get $1 default 2>/dev/null`; do
1756 # Echo decimal number $arg (single digit) in hexadecimal format.
1763 # Echo decimal number $arg (multiple digits) in hexadecimal format.
1769 is_wired_interface()
1773 case `${IFCONFIG_CMD} $1 2>/dev/null` in
1774 *media:?Ethernet*) media=Ethernet ;;
1777 test "$media" = "Ethernet"
1780 # network6_getladdr if [flag]
1781 # Echo link-local address from $if if any.
1782 # If flag is defined, tentative ones will be excluded.
1785 local _if _flag proto addr rest
1789 ${IFCONFIG_CMD} $_if 2>/dev/null | while read proto addr rest; do
1790 case "${proto}/${addr}/${_flag}/${rest}" in
1794 inet6/fe80:://*tentative*) # w/o flag
1795 sleep `${SYSCTL_N} net.inet6.ip6.dad_count`
1796 network6_getladdr $_if $_flags
1798 inet6/fe80::/*/*tentative*) # w/ flag