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 _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
218 /etc/rc.d/wpa_supplicant start $1
219 _cfg=0 # XXX: not sure this should count
220 elif hostapif $1; then
221 /etc/rc.d/hostapd start $1
223 elif [ ${_cfg} -eq 0 ]; then
224 ${IFCONFIG_CMD} $1 up
228 if [ $_cfg -ne 0 ] ; then
229 ${IFCONFIG_CMD} $1 up
231 if syncdhcpif $1; then
232 /etc/rc.d/dhclient start $1
241 # returns 1 if wpa_supplicant or dhclient was stopped or
242 # the interface exists.
250 /etc/rc.d/wpa_supplicant stop $1
252 elif hostapif $1; then
253 /etc/rc.d/hostapd stop $1
258 /etc/rc.d/dhclient stop $1
263 ${IFCONFIG_CMD} $1 down
270 # get_if_var if var [default]
271 # Return the value of the pseudo-hash corresponding to $if where
272 # $var is a string containg the sub-string "IF" which will be
273 # replaced with $if after the characters defined in _punct are
274 # replaced with '_'. If the variable is unset, replace it with
278 local _if _punct _punct_c _var _default prefix suffix
280 if [ $# -ne 2 -a $# -ne 3 ]; then
281 err 3 'USAGE: get_if_var name var [default]'
286 ltr ${_if} "${_punct}" '_' _if
292 eval echo \${${prefix}${_if}${suffix}-${_default}}
295 # _ifconfig_getargs if [af]
296 # Prints the arguments for the supplied interface to stdout.
297 # Returns 1 if empty. In general, ifconfig_getargs should be used
305 if [ -z "$_ifn" ]; then
309 get_if_var $_ifn ifconfig_IF$_af "$ifconfig_DEFAULT"
312 # ifconfig_getargs if [af]
313 # Takes the result from _ifconfig_getargs and removes pseudo
314 # args such as DHCP and WPA.
317 local _tmpargs _arg _args _vnet
318 _tmpargs=`_ifconfig_getargs $1 $2`
319 if [ $? -eq 1 ]; then
325 for _arg in $_tmpargs; do
327 [Dd][Hh][Cc][Pp]:0) ;;
328 [Nn][Oo][Aa][Uu][Tt][Oo]:0) ;;
329 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]:0) ;;
330 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]:0) ;;
332 [Hh][Oo][Ss][Tt][Aa][Pp]:0) ;;
345 # Returns 0 if the interface should be automatically configured at
346 # boot time and 1 otherwise.
350 _tmpargs=`_ifconfig_getargs $1`
352 for _arg in $_tmpargs; do
354 [Nn][Oo][Aa][Uu][Tt][Oo])
364 # Returns 0 if the interface is a DHCP interface and 1 otherwise.
368 _tmpargs=`_ifconfig_getargs $1`
382 for _arg in $_tmpargs; do
387 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
390 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
400 # Returns 0 if the interface should be configured synchronously and
405 _tmpargs=`_ifconfig_getargs $1`
411 for _arg in $_tmpargs; do
413 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
416 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp])
422 checkyesno synchronous_dhclient
426 # Returns 0 if the interface is a WPA interface and 1 otherwise.
430 _tmpargs=`_ifconfig_getargs $1`
432 for _arg in $_tmpargs; do
444 # Returns 0 if the interface is a HOSTAP interface and 1 otherwise.
448 _tmpargs=`_ifconfig_getargs $1`
450 for _arg in $_tmpargs; do
452 [Hh][Oo][Ss][Tt][Aa][Pp])
462 # Returns 0 and echo jail if "vnet" keyword is specified on the
463 # interface, and 1 otherwise.
466 local _tmpargs _arg _vnet
467 _tmpargs=`_ifconfig_getargs $1`
470 for _arg in $_tmpargs; do
473 *:1) echo $_arg; return 0 ;;
481 # Returns 0 if the address family is enabled in the kernel
490 check_kern_features ${_af}
496 err 1 "afexists(): Unsupported address family: $_af"
502 # Returns 0 if the interface has no af configuration and 1 otherwise.
530 # Returns 0 if the interface should be configured for IPv6 and
537 if ! afexists inet6; then
541 # lo0 is always IPv6-enabled
548 case "${ipv6_network_interfaces}" in
549 $_if|"$_if "*|*" $_if"|*" $_if "*|[Aa][Uu][Tt][Oo])
550 # True if $ifconfig_IF_ipv6 is defined.
551 _tmpargs=`_ifconfig_getargs $_if ipv6`
552 if [ -n "${_tmpargs}" ]; then
556 # True if $ipv6_prefix_IF is defined.
557 _tmpargs=`get_if_var $_if ipv6_prefix_IF`
558 if [ -n "${_tmpargs}" ]; then
562 # backward compatibility: True if $ipv6_ifconfig_IF is defined.
563 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
564 if [ -n "${_tmpargs}" ]; then
574 # Returns 0 if the interface should be configured for IPv6 with
575 # Stateless Address Configuration; 1 otherwise.
578 local _if _tmpargs _arg
592 if ! ipv6if $_if; then
595 if checkyesno ipv6_gateway_enable; then
598 _tmpargs=`get_if_var $_if ipv6_prefix_IF`
599 if [ -n "${_tmpargs}" ]; then
602 # backward compatibility: $ipv6_enable
604 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
605 if checkyesno ipv6_gateway_enable; then
610 # No accept_rtadv by default on if_bridge(4)
611 # to avoid a conflict with the member
622 _tmpargs=`_ifconfig_getargs $_if ipv6`
623 for _arg in $_tmpargs; do
631 # backward compatibility: $ipv6_ifconfig_IF
632 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF`
633 for _arg in $_tmpargs; do
645 # Returns 0 if the interface exists and 1 otherwise.
648 [ -z "$1" ] && return 1
649 ${IFCONFIG_CMD} -n $1 > /dev/null 2>&1
653 # add IPv4 addresses to the interface $if
660 # Add 127.0.0.1/8 to lo0 unless otherwise specified.
661 if [ "${_if}" = "lo0" ]; then
662 ifconfig_args=`get_if_var ${_if} ifconfig_IF`
663 if [ -z "${ifconfig_args}" ]; then
664 ${IFCONFIG_CMD} ${_if} inet 127.0.0.1/8 alias
667 ifalias ${_if} inet alias && _ret=0
673 # add IPv6 addresses to the interface $if
680 if ! ipv6if $_if; then
684 ifalias ${_if} inet6 alias && _ret=0
685 ipv6_prefix_hostid_addr_common ${_if} alias && _ret=0
686 ipv6_accept_rtadv_up ${_if} && _ret=0
692 # remove IPv4 addresses from the interface $if
695 local _if _ifs _ret inetList oldifs _inet
700 ifalias ${_if} inet -alias && _ret=0
702 inetList="`${IFCONFIG_CMD} ${_if} | grep 'inet ' | tr "\n\t" "$_ifs"`"
706 for _inet in $inetList ; do
707 # get rid of extraneous line
713 _inet=`expr "$_inet" : '.*\(inet \([0-9]\{1,3\}\.\)\{3\}[0-9]\{1,3\}\).*'`
716 ${IFCONFIG_CMD} ${_if} ${_inet} delete
726 # remove IPv6 addresses from the interface $if
729 local _if _ifs _ret inetList oldifs _inet6
734 if ! ipv6if $_if; then
738 ipv6_accept_rtadv_down ${_if} && _ret=0
739 ipv6_prefix_hostid_addr_common ${_if} -alias && _ret=0
740 ifalias ${_if} inet6 -alias && _ret=0
742 inetList="`${IFCONFIG_CMD} ${_if} | grep 'inet6 ' | tr "\n\t" "$_ifs"`"
746 for _inet6 in $inetList ; do
747 # get rid of extraneous line
753 _inet6=`expr "$_inet6" : '.*\(inet6 \([0-9a-f:]*\)\).*'`
756 ${IFCONFIG_CMD} ${_if} ${_inet6} -alias
765 # ifalias if af action
766 # Configure or remove aliases for network interface $if.
767 # It returns 0 if at least one alias was configured or
768 # removed, or 1 if there were none.
775 afexists $2 || return $_ret
778 inet|inet6|link|ether)
779 ifalias_af_common $1 $2 $3 && _ret=0
786 # ifalias_expand_addr af action addr
787 # Expand address range ("N-M") specification in addr.
788 # "addr" must not include an address-family keyword.
789 # The results will include an address-family keyword.
791 ifalias_expand_addr()
799 afexists $_af || return
800 ifalias_expand_addr_$_af $_action $*
803 # ifalias_expand_addr_inet action addr
804 # Helper function for ifalias_expand_addr(). Handles IPv4.
806 ifalias_expand_addr_inet()
808 local _action _arg _cidr _cidr_addr _exargs
809 local _ipaddr _plen _range _iphead _iptail _iplow _iphigh _ipcount
817 case $_action:$_arg:$_exargs in
818 *:*--*) return ;; # invalid
819 tmp:*[0-9]-[0-9]*:*) # to be expanded
822 *:*[0-9]-[0-9]*:*) # to be expanded
824 tmp:*:*netmask*) # already expanded w/ netmask option
825 echo ${_arg%/[0-9]*} $_exargs && return
827 tmp:*:*) # already expanded w/o netmask option
828 echo $_arg $_exargs && return
830 *:*:*netmask*) # already expanded w/ netmask option
831 echo inet ${_arg%/[0-9]*} $_exargs && return
833 *:*:*) # already expanded w/o netmask option
834 echo inet $_arg $_exargs && return
838 for _cidr in $_arg; do
841 # When subnet prefix length is not specified, use /32.
843 $_ipaddr) _plen=32 ;; # "/" character not found
847 IFS=. set -- $_ipaddr
857 _iphead="${_iphead}${_iphead:+.}${_c}"
860 _iptail="${_iptail}${_iptail:+.}${_c}"
868 # clear netmask when removing aliases
869 if [ "$_action" = "-alias" ]; then
874 while [ "$_ipcount" -le "$_iphigh" ]; do
875 _retstr="${_retstr} ${_iphead}${_iphead:+.}${_ipcount}${_iptail:+.}${_iptail}${_plen:+/}${_plen}"
876 if [ $_ipcount -gt $(($_iplow + $netif_ipexpand_max)) ]; then
877 warn "Range specification is too large (${_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."
880 _ipcount=$(($_ipcount + 1))
882 # Forcibly set /32 for remaining aliases.
887 for _c in $_retstr; do
888 ifalias_expand_addr_inet $_action $_c $_exargs
892 # ifalias_expand_addr_inet6 action addr
893 # Helper function for ifalias_expand_addr(). Handles IPv6.
895 ifalias_expand_addr_inet6()
897 local _action _arg _cidr _cidr_addr _exargs
898 local _ipaddr _plen _ipleft _ipright _iplow _iphigh _ipcount
907 case $_action:$_arg:$_exargs in
908 *:*--*:*) return ;; # invalid
909 tmp:*[0-9a-zA-Z]-[0-9a-zA-Z]*:*)# to be expanded
912 *:*[0-9a-zA-Z]-[0-9a-zA-Z]*:*) # to be expanded
914 tmp:*:*prefixlen*) # already expanded w/ prefixlen option
915 echo ${_arg%/[0-9]*} $_exargs && return
917 tmp:*:*) # already expanded w/o prefixlen option
918 echo $_arg $_exargs && return
920 *:*:*prefixlen*) # already expanded w/ prefixlen option
921 echo inet6 ${_arg%/[0-9]*} $_exargs && return
923 *:*:*) # already expanded w/o prefixlen option
924 echo inet6 $_arg $_exargs && return
928 for _cidr in $_arg; do
929 _ipaddr="${_cidr%%/*}"
932 case $_action:$_ipaddr:$_cidr in
933 -alias:*:*) unset _plen ;;
934 *:$_cidr:$_ipaddr) unset _plen ;;
937 if [ "${_ipaddr%:*.*.*.*}" = "$_ipaddr" ]; then
938 # Handle !v4mapped && !v4compat addresses.
940 # The default prefix length is 64.
941 case $_ipaddr:$_cidr in
942 $_cidr:$_ipaddr) _plen="64" ;;
944 _ipleft=${_ipaddr%-*}
945 _ipright=${_ipaddr#*-}
946 _iplow=${_ipleft##*:}
947 _iphigh=${_ipright%%:*}
948 _ipleft=${_ipleft%:*}
949 _ipright=${_ipright#*:}
951 if [ "$_iphigh" = "$_ipright" ]; then
957 if [ -n "$_iplow" -a -n "$_iphigh" ]; then
958 _iplow=$((0x$_iplow))
959 _iphigh=$((0x$_iphigh))
961 while [ $_ipcount -le $_iphigh ]; do
962 _r=`printf "%s:%04x%s%s" \
963 $_ipleft $_ipcount $_ipright \
965 _retstr="$_retstr $_r"
966 if [ $_ipcount -gt $(($_iplow + $netif_ipexpand_max)) ]
968 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" "$_ipright") was processed. Increase \$netif_ipexpand_max in rc.conf."
971 _ipcount=$(($_ipcount + 1))
975 _retstr="${_ipaddr}${_plen:+/}${_plen}"
978 for _c in $_retstr; do
979 ifalias_expand_addr_inet6 $_action $_c $_exargs
982 # v4mapped/v4compat should handle as an IPv4 alias
983 _ipv4part=${_ipaddr##*:}
985 # Adjust prefix length if any. If not, set the
986 # default prefix length as 32.
987 case $_ipaddr:$_cidr in
988 $_cidr:$_ipaddr) _plen=32 ;;
989 *) _plen=$(($_plen - 96)) ;;
992 _retstr=`ifalias_expand_addr_inet \
993 tmp ${_ipv4part}${_plen:+/}${_plen}`
994 for _c in $_retstr; do
995 ifalias_expand_addr_inet $_action $_c $_exargs
1001 # ifalias_af_common_handler if af action args
1002 # Helper function for ifalias_af_common().
1004 ifalias_af_common_handler()
1006 local _ret _if _af _action _args _c _tmpargs
1020 # link(ether) does not support address removal.
1021 case $_af:$_action in
1022 link:-alias|ether:-alias) return ;;
1026 for _c in $_args; do
1030 ${_af}\ *[0-9a-fA-F]-*)
1031 ifalias_af_common_handler $_if $_af $_action \
1032 `ifalias_expand_addr $_af $_action ${_tmpargs#${_af}\ }`
1035 ${IFCONFIG_CMD} $_if $_tmpargs $_action && _ret=0
1041 _tmpargs="$_tmpargs $_c"
1045 # Process the last component if any.
1046 if [ -n "$_tmpargs}" ]; then
1048 ${_af}\ *[0-9a-fA-F]-*)
1049 ifalias_af_common_handler $_if $_af $_action \
1050 `ifalias_expand_addr $_af $_action ${_tmpargs#${_af}\ }`
1053 ${IFCONFIG_CMD} $_if $_tmpargs $_action && _ret=0
1061 # ifalias_af_common if af action
1062 # Helper function for ifalias().
1066 local _ret _if _af _action alias ifconfig_args _aliasn _c _tmpargs _iaf
1067 local _vif _punct=".-/+"
1075 # Normalize $_if before using it in a pattern to list_vars()
1076 ltr "$_if" "$_punct" "_" _vif
1078 # ifconfig_IF_aliasN which starts with $_af
1079 for alias in `list_vars ifconfig_${_vif}_alias[0-9]\* |
1080 sort_lite -nk1.$((9+${#_vif}+7))`
1082 eval ifconfig_args=\"\$$alias\"
1084 case $ifconfig_args in
1085 inet\ *) _iaf=inet ;;
1086 inet6\ *) _iaf=inet6 ;;
1087 link\ *) _iaf=link ;;
1088 ether\ *) _iaf=ether ;;
1091 case ${_af}:${_action}:${_iaf}:"${ifconfig_args}" in
1093 _aliasn="$_aliasn $ifconfig_args"
1099 _aliasn="$_aliasn inet $ifconfig_args"
1100 warn "\$${alias} needs leading" \
1101 "\"inet\" keyword for an IPv4 address."
1105 # backward compatibility: ipv6_ifconfig_IF_aliasN.
1108 for alias in `list_vars ipv6_ifconfig_${_vif}_alias[0-9]\* |
1109 sort_lite -nk1.$((14+${#_vif}+7))`
1111 eval ifconfig_args=\"\$$alias\"
1112 case ${_action}:"${ifconfig_args}" in
1117 _aliasn="${_aliasn} inet6 ${ifconfig_args}"
1118 warn "\$${alias} is obsolete. " \
1119 "Use ifconfig_${_vif}_aliasN instead."
1125 # backward compatibility: ipv4_addrs_IF.
1126 for _tmpargs in `get_if_var $_if ipv4_addrs_IF`; do
1127 _aliasn="$_aliasn inet $_tmpargs"
1130 # Handle ifconfig_IF_aliases, ifconfig_IF_aliasN, and the others.
1132 for _c in `get_if_var $_if ifconfig_IF_aliases` $_aliasn; do
1134 inet|inet6|link|ether)
1137 eval ifalias_af_common_handler $_if $_af $_action $_tmpargs && _ret=0
1143 _tmpargs="$_tmpargs $_c"
1146 # Process the last component
1149 ifalias_af_common_handler $_if $_af $_action $_tmpargs && _ret=0
1156 # ipv6_prefix_hostid_addr_common if action
1157 # Add or remove IPv6 prefix + hostid addr on the interface $if
1159 ipv6_prefix_hostid_addr_common()
1161 local _if _action prefix j
1164 prefix=`get_if_var ${_if} ipv6_prefix_IF`
1166 if [ -n "${prefix}" ]; then
1167 for j in ${prefix}; do
1168 # The default prefixlen is 64.
1171 $plen:$j) plen=64 ;;
1175 # Normalize the last part by removing ":"
1178 ${IFCONFIG_CMD} ${_if} inet6 $j:: \
1179 prefixlen $plen eui64 ${_action}
1181 # if I am a router, add subnet router
1182 # anycast address (RFC 2373).
1183 if checkyesno ipv6_gateway_enable; then
1184 ${IFCONFIG_CMD} ${_if} inet6 $j:: \
1185 prefixlen $plen ${_action} anycast
1191 # ipv6_accept_rtadv_up if
1192 # Enable accepting Router Advertisement and send Router
1193 # Solicitation message
1194 ipv6_accept_rtadv_up()
1196 if ipv6_autoconfif $1; then
1197 ${IFCONFIG_CMD} $1 inet6 accept_rtadv up
1198 if ! checkyesno rtsold_enable; then
1199 rtsol ${rtsol_flags} $1
1204 # ipv6_accept_rtadv_down if
1205 # Disable accepting Router Advertisement
1206 ipv6_accept_rtadv_down()
1208 if ipv6_autoconfif $1; then
1209 ${IFCONFIG_CMD} $1 inet6 -accept_rtadv
1214 # Evaluate a startup script for the $if interface.
1215 # It returns 0 if a script was found and processed or
1216 # 1 if no script was found.
1220 if [ -r /etc/start_if.$1 ]; then
1229 # Evaluate a shutdown script for the $if interface.
1230 # It returns 0 if a script was found and processed or
1231 # 1 if no script was found.
1235 if [ -r /etc/stop_if.$1 ]; then
1244 # Create IEEE802.11 interfaces.
1248 local _list _iflist parent child_wlans child create_args debug_flags
1252 # Parse wlans_$parent="$child ..."
1253 for parent in `set | sed -nE 's/wlans_([a-z]+[0-9]+)=.*/\1/p'`; do
1254 child_wlans=`get_if_var $parent wlans_IF`
1255 for child in ${child_wlans}; do
1256 create_args="wlandev $parent `get_if_var $child create_args_IF`"
1257 debug_flags="`get_if_var $child wlandebug_IF`"
1259 ""|$child|$child\ *|*\ $child\ *|*\ $child) ;;
1262 # Skip if ${child} already exists.
1263 if ${IFCONFIG_CMD} $child > /dev/null 2>&1; then
1266 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then
1267 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1268 if [ $? -eq 0 ]; then
1269 _list="$_list $child"
1271 if [ -n "${debug_flags}" ]; then
1272 wlandebug -i $child ${debug_flags}
1275 i=`${IFCONFIG_CMD} wlan create ${create_args}`
1276 # XXXGL: wlandebug should accept any name
1277 if [ -n "${debug_flags}" ]; then
1278 wlandebug -i $i ${debug_flags}
1280 ${IFCONFIG_CMD} $i name $child && cfg=0
1281 if [ $? -eq 0 ]; then
1282 _list="$_list $child"
1287 if [ -n "${_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 _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 [ $? -eq 0 ]; then
1398 tmpargs=$(get_if_var $ifn gifconfig_IF)
1399 eval ifconfig_${ifn}=\"tunnel \$tmpargs\"
1401 if [ -n "${_list# }" ]; then
1402 echo "Created clone interfaces: ${_list# }."
1404 debug "Cloned: ${_list# }"
1408 # Destroy cloned interfaces. Destroyed interfaces are echoed to
1413 local _list ifn _difn ifopt _iflist _sticky
1417 : ${cloned_interfaces_sticky:=NO}
1418 if checkyesno cloned_interfaces_sticky; then
1423 for ifn in ${cloned_interfaces} ${gif_interfaces}; do
1425 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS
1426 case $ifopt:$_sticky in
1427 sticky:*) continue ;; # :sticky => not destroy
1428 nosticky:*) ;; # :nosticky => destroy
1429 *:1) continue ;; # global sticky knob == 1
1432 ""|$ifn|$ifn\ *|*\ $ifn\ *|*\ $ifn) ;;
1437 # Note: epair(4) uses epair[0-9] for removal and
1438 # epair[0-9][ab] for configuration.
1440 # Skip if both of ${ifn}a and ${ifn}b do not exist.
1441 if ${IFCONFIG_CMD} ${ifn}a > /dev/null 2>&1; then
1443 elif ${IFCONFIG_CMD} ${ifn}b > /dev/null 2>&1; then
1448 ${IFCONFIG_CMD} -n $_difn destroy
1449 if [ $? -eq 0 ]; then
1450 _list="$_list ${ifn}a ${ifn}b"
1454 # Skip if ifn does not exist.
1455 if ! ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
1458 ${IFCONFIG_CMD} -n ${ifn} destroy
1459 if [ $? -eq 0 ]; then
1465 if [ -n "${_list# }" ]; then
1466 echo "Destroyed clone interfaces: ${_list# }."
1468 debug "Destroyed clones: ${_list# }"
1472 # Create and configure child interfaces. Return 0 if child
1473 # interfaces are created.
1475 # XXXGL: the wlan code in this functions is superseded by wlan_up(),
1476 # and will go away soon.
1480 local cfg child child_vlans child_wlans create_args debug_flags ifn i
1484 # Create wireless interfaces
1485 child_wlans=`get_if_var $ifn wlans_IF`
1487 for child in ${child_wlans}; do
1488 create_args="wlandev $ifn `get_if_var $child create_args_IF`"
1489 debug_flags="`get_if_var $child wlandebug_IF`"
1491 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then
1492 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1493 if [ -n "${debug_flags}" ]; then
1494 wlandebug -i $child ${debug_flags}
1497 i=`${IFCONFIG_CMD} wlan create ${create_args}`
1498 if [ -n "${debug_flags}" ]; then
1499 wlandebug -i $i ${debug_flags}
1501 ${IFCONFIG_CMD} $i name $child && cfg=0
1503 if autoif $child; then
1508 # Create vlan interfaces
1509 child_vlans=`get_if_var $ifn vlans_IF`
1511 if [ -n "${child_vlans}" ]; then
1515 for child in ${child_vlans}; do
1516 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1517 child="${ifn}.${child}"
1518 create_args=`get_if_var $child create_args_IF`
1519 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1521 create_args="vlandev $ifn `get_if_var $child create_args_IF`"
1522 if expr $child : 'vlan[0-9][0-9]*$' >/dev/null 2>&1; then
1523 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0
1525 i=`${IFCONFIG_CMD} vlan create ${create_args}`
1526 ${IFCONFIG_CMD} $i name $child && cfg=0
1529 if autoif $child; then
1538 # Destroy child interfaces.
1542 local cfg child child_vlans child_wlans ifn
1545 child_wlans=`get_if_var $ifn wlans_IF`
1546 for child in ${child_wlans}; do
1547 if ! ifexists $child; then
1550 ${IFCONFIG_CMD} -n $child destroy && cfg=0
1553 child_vlans=`get_if_var $ifn vlans_IF`
1554 for child in ${child_vlans}; do
1555 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
1556 child="${ifn}.${child}"
1558 if ! ifexists $child; then
1561 ${IFCONFIG_CMD} -n $child destroy && cfg=0
1568 # Create netgraph nodes.
1572 ngctl -f - 2> /dev/null <<EOF
1579 # Create netgraph nodes.
1585 ng_mkpeer $* | while read line; do
1586 t=`expr "${line}" : '.* name="\([a-z]*[0-9]*\)" .*'`
1587 if [ -n "${t}" ]; then
1594 # ifnet_rename [ifname]
1595 # Rename interfaces if ifconfig_IF_name is defined.
1602 for _if in ${*:-$(${IFCONFIG_CMD} -l)}; do
1603 _ifname=`get_if_var $_if ifconfig_IF_name`
1604 if [ ! -z "$_ifname" ]; then
1605 ${IFCONFIG_CMD} $_if name $_ifname
1612 # list_net_interfaces type
1613 # List all network interfaces. The type of interface returned
1614 # can be controlled by the type argument. The type
1615 # argument can be any of the following:
1616 # nodhcp - all interfaces, excluding DHCP configured interfaces
1617 # dhcp - list only DHCP configured interfaces
1618 # noautoconf - all interfaces, excluding IPv6 Stateless
1619 # Address Autoconf configured interfaces
1620 # autoconf - list only IPv6 Stateless Address Autoconf
1621 # configured interfaces
1622 # If no argument is specified all network interfaces are output.
1623 # Note that the list will include cloned interfaces if applicable.
1624 # Cloned interfaces must already exist to have a chance to appear
1625 # in the list if ${network_interfaces} is set to `auto'.
1627 list_net_interfaces()
1629 local type _tmplist _list _autolist _lo _if
1632 # Get a list of ALL the interfaces and make lo0 first if it's there.
1635 case ${network_interfaces} in
1637 _autolist="`${IFCONFIG_CMD} -l`"
1639 for _if in ${_autolist} ; do
1640 if autoif $_if; then
1641 if [ "$_if" = "lo0" ]; then
1644 _tmplist="${_tmplist} ${_if}"
1648 _tmplist="${_lo}${_tmplist# }"
1651 for _if in ${network_interfaces} ${cloned_interfaces}; do
1652 # epair(4) uses epair[0-9] for creation and
1653 # epair[0-9][ab] for configuration.
1656 _tmplist="$_tmplist ${_if}a ${_if}b"
1659 _tmplist="$_tmplist $_if"
1664 # lo0 is effectively mandatory, so help prevent foot-shooting
1667 lo0|'lo0 '*|*' lo0'|*' lo0 '*)
1668 # This is fine, do nothing
1669 _tmplist="${_tmplist# }"
1672 _tmplist="lo0 ${_tmplist# }"
1681 for _if in ${_tmplist} ; do
1682 if ! dhcpif $_if && \
1683 [ -n "`_ifconfig_getargs $_if`" ]; then
1684 _list="${_list# } ${_if}"
1689 for _if in ${_tmplist} ; do
1690 if dhcpif $_if; then
1691 _list="${_list# } ${_if}"
1696 for _if in ${_tmplist} ; do
1697 if ! ipv6_autoconfif $_if && \
1698 [ -n "`_ifconfig_getargs $_if ipv6`" ]; then
1699 _list="${_list# } ${_if}"
1704 for _if in ${_tmplist} ; do
1705 if ipv6_autoconfif $_if; then
1706 _list="${_list# } ${_if}"
1720 # get_default_if -address_family
1721 # Get the interface of the default route for the given address family.
1722 # The -address_family argument must be suitable passing to route(8).
1726 local routeget oldifs defif line
1731 for line in `route -n get $1 default 2>/dev/null`; do
1744 # Echo decimal number $arg (single digit) in hexadecimal format.
1751 # Echo decimal number $arg (multiple digits) in hexadecimal format.
1757 is_wired_interface()
1761 case `${IFCONFIG_CMD} $1 2>/dev/null` in
1762 *media:?Ethernet*) media=Ethernet ;;
1765 test "$media" = "Ethernet"
1768 # network6_getladdr if [flag]
1769 # Echo link-local address from $if if any.
1770 # If flag is defined, tentative ones will be excluded.
1773 local _if _flag proto addr rest
1777 ${IFCONFIG_CMD} $_if 2>/dev/null | while read proto addr rest; do
1778 case "${proto}/${addr}/${_flag}/${rest}" in
1782 inet6/fe80:://*tentative*) # w/o flag
1783 sleep `${SYSCTL_N} net.inet6.ip6.dad_count`
1784 network6_getladdr $_if $_flags
1786 inet6/fe80::/*/*tentative*) # w/ flag