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
29 # Subroutines commonly used from network startup scripts.
30 # Requires that rc.conf be loaded first.
34 # Evaluate ifconfig(8) arguments for interface $if and
35 # run ifconfig(8) with those arguments. It returns 0 if
36 # arguments were found and executed or 1 if the interface
41 eval ifconfig_args=\$ifconfig_$1
42 if [ -n "${ifconfig_args}" ]; then
43 ifconfig $1 ${ifconfig_args}
50 # Remove all inet entries from the $if interface. It returns
51 # 0 if inet entries were found and removed. It returns 1 if
52 # no entries were found or they could not be removed.
56 [ -z "$1" ] && return 1
60 inetList="`ifconfig $1 | grep 'inet ' | tr "\n" "$_ifs"`"
64 for _inet in $inetList ; do
65 # get rid of extraneous line
66 [ -z "$_inet" ] && break
68 _inet=`expr "$_inet" : '.*\(inet \([0-9]\{1,3\}\.\)\{3\}[0-9]\{1,3\}\).*'`
71 ifconfig $1 ${_inet} delete
81 # Configure aliases for network interface $if.
82 # It returns 0 if at least one alias was configured or
83 # 1 if there were none.
90 eval ifconfig_args=\$ifconfig_$1_alias${alias}
91 if [ -n "${ifconfig_args}" ]; then
92 ifconfig $1 ${ifconfig_args} alias
93 alias=$((${alias} + 1))
103 # Remove aliases for network interface $if.
104 # It returns 0 if at least one alias was removed or
105 # 1 if there were none.
112 eval ifconfig_args=\$ifconfig_$1_alias${alias}
113 if [ -n "${ifconfig_args}" ]; then
114 ifconfig $1 ${ifconfig_args} -alias
115 alias=$((${alias} + 1))
125 # Evaluate a startup script for the $if interface.
126 # It returns 0 if a script was found and processed or
127 # 1 if no script was found.
131 if [ -r /etc/start_if.$1 ]; then
139 # Evaluate a shutdown script for the $if interface.
140 # It returns 0 if a script was found and processed or
141 # 1 if no script was found.
145 if [ -r /etc/stop_if.$1 ]; then
152 # Create cloneable interfaces.
158 for ifn in ${cloned_interfaces}; do
159 ifconfig ${ifn} create
160 if [ $? -eq 0 ]; then
161 _list="${_list}${_prefix}${ifn}"
162 [ -z "$_prefix" ] && _prefix=' '
165 debug "Cloned: ${_list}"
168 # Destroy cloned interfaces. Destroyed interfaces are echoed
169 # to standard output.
175 for ifn in ${cloned_interfaces}; do
176 ifconfig ${ifn} destroy
177 if [ $? -eq 0 ]; then
178 _list="${_list}${_prefix}${ifn}"
179 [ -z "$_prefix" ] && _prefix=' '
182 debug "Destroyed clones: ${_list}"
186 case ${gif_interfaces} in
190 for i in ${gif_interfaces}; do
191 eval peers=\$gifconfig_$i
197 ifconfig $i create >/dev/null 2>&1
198 ifconfig $i tunnel ${peers}
209 # Configure any IPX addresses for interface $ifn. Returns 0 if IPX
210 # arguments were found and configured; returns 1 otherwise.
215 eval ifconfig_args=\$ifconfig_${ifn}_ipx
216 if [ -n "${ifconfig_args}" ]; then
217 ifconfig ${ifn} ${ifconfig_args}
224 # Remove IPX addresses for interface $ifn. Returns 0 if IPX
225 # addresses were found and unconfigured. It returns 1, otherwise.
229 [ -z "$1" ] && return 1
233 ipxList="`ifconfig $1 | grep 'ipx ' | tr "\n" "$_ifs"`"
237 for _ipx in $ipxList ; do
238 # get rid of extraneous line
239 [ -z "$_ipx" ] && break
241 _ipx=`expr "$_ipx" : '.*\(ipx [0-9a-h]\{1,8\}H*\.[0-9a-h]\{1,12\}\).*'`
244 ifconfig $1 ${_ipx} delete
254 # Rename all requested interfaces.
259 _ifn_list="`ifconfig -l`"
260 [ -z "$_ifn_list" ] && return 0
261 for _if in ${_ifn_list} ; do
262 eval _ifname=\$ifconfig_${_if}_name
263 if [ ! -z "$_ifname" ]; then
264 ifconfig $_if name $_ifname
271 # list_net_interfaces type
272 # List all network interfaces. The type of interface returned
273 # can be controlled by the type argument. The type
274 # argument can be any of the following:
275 # nodhcp - all interfaces, excluding DHCP configured interfaces
276 # dhcp - list only DHCP configured interfaces
277 # If no argument is specified all network interfaces are output.
278 # Note that the list will include cloned interfaces if applicable.
279 # Cloned interfaces must already exist to have a chance to appear
280 # in the list if ${network_interfaces} is set to `auto'.
282 list_net_interfaces()
286 # Get a list of ALL the interfaces
288 case ${network_interfaces} in
290 _tmplist="`ifconfig -l`"
293 _tmplist="${network_interfaces} ${cloned_interfaces}"
297 if [ -z "$type" ]; then
302 # Separate out dhcp and non-dhcp interfaces
306 for _if in ${_tmplist} ; do
307 eval _ifarg="\$ifconfig_${_if}"
310 _dhcplist="${_dhcplist}${_aprefix}${_if}"
311 [ -z "$_aprefix" ] && _aprefix=' '
314 _nodhcplist="${_nodhcplist}${_bprefix}${_if}"
315 [ -z "$_bprefix" ] && _bprefix=' '
320 case ${pccard_ifconfig} in
322 for _if in ${removable_interfaces} ; do
323 _test_if=`ifconfig ${_if} 2>&1`
325 "ifconfig: interface $_if does not exist")
328 _dhcplist="${_dhcplist}${_aprefix}${_if}"
329 [ -z "$_aprefix" ] && _aprefix=' '
351 if [ $1 -lt 10 ]; then
370 dig=`hexdigit $((${val} & 15))`
373 while [ ${val} -gt 0 ]; do
374 dig=`hexdigit $((${val} & 15))`
382 # Setup the interfaces for IPv6
383 network6_interface_setup()
387 case ${ipv6_gateway_enable} in
395 for i in $interfaces; do
397 eval prefix=\$ipv6_prefix_$i
398 if [ -n "${prefix}" ]; then
401 laddr=`network6_getladdr $i`
402 hostid=`expr "${laddr}" : 'fe80::\(.*\)%\(.*\)'`
403 for j in ${prefix}; do
404 address=$j\:${hostid}
405 ifconfig $i inet6 ${address} prefixlen 64 alias
407 case ${ipv6_gateway_enable} in
409 # subnet-router anycast address
411 ifconfig $i inet6 $j:: prefixlen 64 \
417 eval ipv6_ifconfig=\$ipv6_ifconfig_$i
418 if [ -n "${ipv6_ifconfig}" ]; then
421 ifconfig $i inet6 ${ipv6_ifconfig} alias
424 if [ ${rtsol_available} = yes -a ${rtsol_interface} = yes ]
427 lo0|gif[0-9]*|stf[0-9]*|faith[0-9]*|lp[0-9]*|sl[0-9]*|tun[0-9]*)
430 rtsol_interfaces="${rtsol_interfaces} ${i}"
438 if [ ${rtsol_available} = yes -a -n "${rtsol_interfaces}" ]; then
439 # Act as endhost - automatically configured.
440 # You can configure only single interface, as
441 # specification assumes that autoconfigured host has
442 # single interface only.
443 sysctl net.inet6.ip6.accept_rtadv=1
444 set ${rtsol_interfaces}
446 rtsol ${rtsol_flags} $1
449 for i in $interfaces; do
452 eval ipv6_ifconfig=\$ipv6_ifconfig_${i}_alias${alias}
453 if [ -z "${ipv6_ifconfig}" ]; then
456 ifconfig $i inet6 ${ipv6_ifconfig} alias
457 alias=$((${alias} + 1))
462 # Setup IPv6 to IPv4 mapping
465 case ${stf_interface_ipv4addr} in
469 # assign IPv6 addr and interface route for 6to4 interface
470 stf_prefixlen=$((16+${stf_interface_ipv4plen:-0}))
473 set ${stf_interface_ipv4addr}
475 hexfrag1=`hexprint $(($1*256 + $2))`
476 hexfrag2=`hexprint $(($3*256 + $4))`
477 ipv4_in_hexformat="${hexfrag1}:${hexfrag2}"
478 case ${stf_interface_ipv6_ifid} in
479 [Aa][Uu][Tt][Oo] | '')
480 for i in ${ipv6_network_interfaces}; do
481 laddr=`network6_getladdr ${i}`
490 stf_interface_ipv6_ifid=`expr "${laddr}" : \
491 'fe80::\(.*\)%\(.*\)'`
492 case ${stf_interface_ipv6_ifid} in
494 stf_interface_ipv6_ifid=0:0:0:1
499 ifconfig stf0 create >/dev/null 2>&1
500 ifconfig stf0 inet6 2002:${ipv4_in_hexformat}:${stf_interface_ipv6_slaid:-0}:${stf_interface_ipv6_ifid} \
501 prefixlen ${stf_prefixlen}
502 # disallow packets to malicious 6to4 prefix
503 route add -inet6 2002:e000:: -prefixlen 20 ::1 -reject
504 route add -inet6 2002:7f00:: -prefixlen 24 ::1 -reject
505 route add -inet6 2002:0000:: -prefixlen 24 ::1 -reject
506 route add -inet6 2002:ff00:: -prefixlen 24 ::1 -reject
511 # Setup static routes
512 network6_static_routes_setup()
514 # Set up any static routes.
515 case ${ipv6_defaultrouter} in
519 ipv6_static_routes="default ${ipv6_static_routes}"
520 ipv6_route_default="default ${ipv6_defaultrouter}"
523 case ${ipv6_static_routes} in
527 for i in ${ipv6_static_routes}; do
528 eval ipv6_route_args=\$ipv6_route_${i}
529 route add -inet6 ${ipv6_route_args}
536 network6_faith_setup()
538 case ${ipv6_faith_prefix} in
542 sysctl net.inet6.ip6.keepfaith=1
543 ifconfig faith0 create >/dev/null 2>&1
545 for prefix in ${ipv6_faith_prefix}; do
546 prefixlen=`expr "${prefix}" : ".*/\(.*\)"`
552 prefix=`expr "${prefix}" : \
553 "\(.*\)/${prefixlen}"`
556 route add -inet6 ${prefix} -prefixlen ${prefixlen} ::1
557 route change -inet6 ${prefix} -prefixlen ${prefixlen} \
564 # Install the "default interface" to kernel, which will be used
565 # as the default route when there's no router.
566 network6_default_interface_setup()
568 # Choose IPv6 default interface if it is not clearly specified.
569 case ${ipv6_default_interface} in
571 for i in ${ipv6_network_interfaces}; do
577 laddr=`network6_getladdr $i exclude_tentative`
582 ipv6_default_interface=$i
590 # Disallow unicast packets without outgoing scope identifiers,
591 # or route such packets to a "default" interface, if it is specified.
592 route add -inet6 fe80:: -prefixlen 10 ::1 -reject
593 case ${ipv6_default_interface} in
595 route add -inet6 ff02:: -prefixlen 16 ::1 -reject
598 laddr=`network6_getladdr ${ipv6_default_interface}`
599 route add -inet6 ff02:: ${laddr} -prefixlen 16 -interface \
602 # Disable installing the default interface with the
603 # case net.inet6.ip6.forwarding=0 and
604 # net.inet6.ip6.accept_rtadv=0, due to avoid conflict
605 # between the default router list and the manual
606 # configured default route.
607 case ${ipv6_gateway_enable} in
611 if [ `sysctl -n net.inet6.ip6.accept_rtadv` -eq 1 ]
613 ndp -I ${ipv6_default_interface}
623 ifconfig $1 2>/dev/null | while read proto addr rest; do