1# 2# Copyright (c) 2003 The FreeBSD Project. All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions 6# are met: 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. 12# 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 23# SUCH DAMAGE. 24# 25# 26IFCONFIG_CMD="/sbin/ifconfig" 27: ${netif_ipexpand_max:=2048} 28 29# 30# Subroutines commonly used from network startup scripts. 31# Requires that rc.conf be loaded first. 32# 33 34# ifn_start ifn 35# Bring up and configure an interface. If some configuration is 36# applied, print the interface configuration. 37# 38ifn_start() 39{ 40 local ifn cfg 41 ifn="$1" 42 cfg=1 43 44 [ -z "$ifn" ] && err 1 "ifn_start called without an interface" 45 46 ifscript_up ${ifn} && cfg=0 47 ifconfig_up ${ifn} && cfg=0 48 if ! noafif $ifn; then 49 afexists inet && ipv4_up ${ifn} && cfg=0 50 afexists inet6 && ipv6_up ${ifn} && cfg=0 51 fi 52 childif_create ${ifn} && cfg=0 53 54 return $cfg 55} 56 57# ifn_stop ifn 58# Shutdown and de-configure an interface. If action is taken, 59# print the interface name. 60# 61ifn_stop() 62{ 63 local ifn cfg 64 ifn="$1" 65 cfg=1 66 67 [ -z "$ifn" ] && err 1 "ifn_stop called without an interface" 68 69 if ! noafif $ifn; then 70 afexists inet6 && ipv6_down ${ifn} && cfg=0 71 afexists inet && ipv4_down ${ifn} && cfg=0 72 fi 73 ifconfig_down ${ifn} && cfg=0 74 ifscript_down ${ifn} && cfg=0 75 childif_destroy ${ifn} && cfg=0 76 77 return $cfg 78} 79 80# ifn_vnetup ifn 81# Move ifn to the specified vnet jail. 82# 83ifn_vnetup() 84{ 85 86 ifn_vnet0 $1 vnet 87} 88 89# ifn_vnetdown ifn 90# Reclaim ifn from the specified vnet jail. 91# 92ifn_vnetdown() 93{ 94 95 ifn_vnet0 $1 -vnet 96} 97 98# ifn_vnet0 ifn action 99# Helper function for ifn_vnetup and ifn_vnetdown. 100# 101ifn_vnet0() 102{ 103 local _ifn _cfg _action _vnet 104 _ifn="$1" 105 _action="$2" 106 _cfg=1 107 108 if _vnet=$(vnetif $_ifn); then 109 ${IFCONFIG_CMD} $_ifn $_action $_vnet && _cfg=0 110 fi 111 112 return $_cfg 113} 114 115# ifconfig_up if 116# Evaluate ifconfig(8) arguments for interface $if and 117# run ifconfig(8) with those arguments. It returns 0 if 118# arguments were found and executed or 1 if the interface 119# had no arguments. Pseudo arguments DHCP and WPA are handled 120# here. 121# 122ifconfig_up() 123{ 124 local _cfg _ifconfig_descr _ipv6_opts ifconfig_args 125 _cfg=1 126 127 # Make sure lo0 always comes up. 128 if [ "$1" = "lo0" ]; then 129 _cfg=0 130 fi 131 132 # inet6 specific 133 if ! noafif $1 && afexists inet6; then 134 if checkyesno ipv6_activate_all_interfaces; then 135 _ipv6_opts="-ifdisabled" 136 fi 137 138 # backward compatibility: $ipv6_enable 139 case $ipv6_enable in 140 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 141 case $1 in 142 bridge[0-9]*) 143 # No accept_rtadv by default on if_bridge(4) 144 # to avoid a conflict with the member 145 # interfaces. 146 ;; 147 *) 148 if ! checkyesno ipv6_gateway_enable; then 149 _ipv6_opts="${_ipv6_opts} accept_rtadv" 150 fi 151 ;; 152 esac 153 ;; 154 esac 155 156 case $ipv6_cpe_wanif in 157 $1) 158 _ipv6_opts="${_ipv6_opts} -no_radr accept_rtadv" 159 ;; 160 esac 161 162 if [ -n "${_ipv6_opts}" ]; then 163 ${IFCONFIG_CMD} $1 inet6 ${_ipv6_opts} 164 fi 165 fi 166 167 # ifconfig_IF 168 ifconfig_args=`ifconfig_getargs $1` 169 if [ -n "${ifconfig_args}" ]; then 170 eval ${IFCONFIG_CMD} $1 ${ifconfig_args} 171 _cfg=0 172 fi 173 174 # inet6 specific 175 if ! noafif $1 && afexists inet6; then 176 # ifconfig_IF_ipv6 177 ifconfig_args=`ifconfig_getargs $1 ipv6` 178 if [ -n "${ifconfig_args}" ]; then 179 # backward compatibility: inet6 keyword 180 case "${ifconfig_args}" in 181 :*|[0-9a-fA-F]*:*) 182 warn "\$ifconfig_$1_ipv6 needs leading" \ 183 "\"inet6\" keyword for an IPv6 address." 184 ifconfig_args="inet6 ${ifconfig_args}" 185 ;; 186 esac 187 ${IFCONFIG_CMD} $1 inet6 -ifdisabled 188 eval ${IFCONFIG_CMD} $1 ${ifconfig_args} 189 _cfg=0 190 fi 191 192 # $ipv6_prefix_IF will be handled in 193 # ipv6_prefix_hostid_addr_common(). 194 ifconfig_args=`get_if_var $1 ipv6_prefix_IF` 195 if [ -n "${ifconfig_args}" ]; then 196 ${IFCONFIG_CMD} $1 inet6 -ifdisabled 197 _cfg=0 198 fi 199 200 # backward compatibility: $ipv6_ifconfig_IF 201 ifconfig_args=`get_if_var $1 ipv6_ifconfig_IF` 202 if [ -n "${ifconfig_args}" ]; then 203 warn "\$ipv6_ifconfig_$1 is obsolete." \ 204 " Use ifconfig_$1_ipv6 instead." 205 ${IFCONFIG_CMD} $1 inet6 -ifdisabled 206 eval ${IFCONFIG_CMD} $1 inet6 ${ifconfig_args} 207 _cfg=0 208 fi 209 fi 210 211 ifalias $1 link alias 212 ifalias $1 ether alias 213 214 _ifconfig_descr=`get_if_var $1 ifconfig_IF_descr` 215 if [ -n "${_ifconfig_descr}" ]; then 216 ${IFCONFIG_CMD} $1 description "${_ifconfig_descr}" 217 fi 218 219 if wpaif $1; then 220 /etc/rc.d/wpa_supplicant start $1 221 _cfg=0 # XXX: not sure this should count 222 elif hostapif $1; then 223 /etc/rc.d/hostapd start $1 224 _cfg=0 225 elif [ ${_cfg} -eq 0 ]; then 226 ${IFCONFIG_CMD} $1 up 227 fi 228 229 if ! noafif $1 && afexists inet6; then 230 ipv6_accept_rtadv_up $1 && _cfg=0 231 fi 232 233 if dhcpif $1; then 234 if [ $_cfg -ne 0 ] ; then 235 ${IFCONFIG_CMD} $1 up 236 fi 237 if syncdhcpif $1; then 238 /etc/rc.d/dhclient start $1 239 fi 240 _cfg=0 241 fi 242 243 return $_cfg 244} 245 246# ifconfig_down if 247# returns 1 if wpa_supplicant or dhclient was stopped or 248# the interface exists. 249# 250ifconfig_down() 251{ 252 local _cfg 253 _cfg=1 254 255 if wpaif $1; then 256 /etc/rc.d/wpa_supplicant stop $1 257 _cfg=0 258 elif hostapif $1; then 259 /etc/rc.d/hostapd stop $1 260 _cfg=0 261 elif dhcpif $1; then 262 /etc/rc.d/dhclient stop $1 263 _cfg=0 264 fi 265 266 if ifexists $1; then 267 ${IFCONFIG_CMD} $1 down 268 _cfg=0 269 fi 270 271 return $_cfg 272} 273 274# get_if_var if var [default] 275# Return the value of the pseudo-hash corresponding to $if where 276# $var is a string containg the sub-string "IF" which will be 277# replaced with $if after the characters defined in _punct are 278# replaced with '_'. If the variable is unset, replace it with 279# $default if given. 280get_if_var() 281{ 282 local _if _punct _punct_c _var _default prefix suffix 283 284 if [ $# -ne 2 -a $# -ne 3 ]; then 285 err 3 'USAGE: get_if_var name var [default]' 286 fi 287 288 _if=$1 289 _punct=".-/+" 290 ltr ${_if} "${_punct}" '_' _if 291 _var=$2 292 _default=$3 293 294 prefix=${_var%%IF*} 295 suffix=${_var##*IF} 296 eval echo \${${prefix}${_if}${suffix}-${_default}} 297} 298 299# _ifconfig_getargs if [af] 300# Prints the arguments for the supplied interface to stdout. 301# Returns 1 if empty. In general, ifconfig_getargs should be used 302# outside this file. 303_ifconfig_getargs() 304{ 305 local _ifn _af 306 _ifn=$1 307 _af=${2+_$2} 308 309 if [ -z "$_ifn" ]; then 310 return 1 311 fi 312 313 get_if_var $_ifn ifconfig_IF$_af "$ifconfig_DEFAULT" 314} 315 316# ifconfig_getargs if [af] 317# Takes the result from _ifconfig_getargs and removes pseudo 318# args such as DHCP and WPA. 319ifconfig_getargs() 320{ 321 local _tmpargs _arg _args _vnet 322 _tmpargs=`_ifconfig_getargs $1 $2` 323 if [ $? -eq 1 ]; then 324 return 1 325 fi 326 _args= 327 _vnet=0 328 329 for _arg in $_tmpargs; do 330 case $_arg:$_vnet in 331 [Dd][Hh][Cc][Pp]:0) ;; 332 [Nn][Oo][Aa][Uu][Tt][Oo]:0) ;; 333 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]:0) ;; 334 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]:0) ;; 335 [Ww][Pp][Aa]:0) ;; 336 [Hh][Oo][Ss][Tt][Aa][Pp]:0) ;; 337 vnet:0) _vnet=1 ;; 338 *:1) _vnet=0 ;; 339 *:0) 340 _args="$_args $_arg" 341 ;; 342 esac 343 done 344 345 echo $_args 346} 347 348# autoif 349# Returns 0 if the interface should be automatically configured at 350# boot time and 1 otherwise. 351autoif() 352{ 353 local _tmpargs _arg 354 _tmpargs=`_ifconfig_getargs $1` 355 356 for _arg in $_tmpargs; do 357 case $_arg in 358 [Nn][Oo][Aa][Uu][Tt][Oo]) 359 return 1 360 ;; 361 esac 362 done 363 364 return 0 365} 366 367# dhcpif if 368# Returns 0 if the interface is a DHCP interface and 1 otherwise. 369dhcpif() 370{ 371 local _tmpargs _arg 372 _tmpargs=`_ifconfig_getargs $1` 373 374 case $1 in 375 lo[0-9]*|\ 376 stf[0-9]*|\ 377 lp[0-9]*|\ 378 sl[0-9]*) 379 return 1 380 ;; 381 esac 382 if noafif $1; then 383 return 1 384 fi 385 386 for _arg in $_tmpargs; do 387 case $_arg in 388 [Dd][Hh][Cc][Pp]) 389 return 0 390 ;; 391 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]) 392 return 0 393 ;; 394 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]) 395 return 0 396 ;; 397 esac 398 done 399 400 return 1 401} 402 403# syncdhcpif 404# Returns 0 if the interface should be configured synchronously and 405# 1 otherwise. 406syncdhcpif() 407{ 408 local _tmpargs _arg 409 _tmpargs=`_ifconfig_getargs $1` 410 411 if noafif $1; then 412 return 1 413 fi 414 415 for _arg in $_tmpargs; do 416 case $_arg in 417 [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]) 418 return 1 419 ;; 420 [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]) 421 return 0 422 ;; 423 esac 424 done 425 426 checkyesno synchronous_dhclient 427} 428 429# wpaif if 430# Returns 0 if the interface is a WPA interface and 1 otherwise. 431wpaif() 432{ 433 local _tmpargs _arg 434 _tmpargs=`_ifconfig_getargs $1` 435 436 for _arg in $_tmpargs; do 437 case $_arg in 438 [Ww][Pp][Aa]) 439 return 0 440 ;; 441 esac 442 done 443 444 return 1 445} 446 447# hostapif if 448# Returns 0 if the interface is a HOSTAP interface and 1 otherwise. 449hostapif() 450{ 451 local _tmpargs _arg 452 _tmpargs=`_ifconfig_getargs $1` 453 454 for _arg in $_tmpargs; do 455 case $_arg in 456 [Hh][Oo][Ss][Tt][Aa][Pp]) 457 return 0 458 ;; 459 esac 460 done 461 462 return 1 463} 464 465# vnetif if 466# Returns 0 and echo jail if "vnet" keyword is specified on the 467# interface, and 1 otherwise. 468vnetif() 469{ 470 local _tmpargs _arg _vnet 471 _tmpargs=`_ifconfig_getargs $1` 472 473 _vnet=0 474 for _arg in $_tmpargs; do 475 case $_arg:$_vnet in 476 vnet:0) _vnet=1 ;; 477 *:1) echo $_arg; return 0 ;; 478 esac 479 done 480 481 return 1 482} 483 484# afexists af 485# Returns 0 if the address family is enabled in the kernel 486# 1 otherwise. 487afexists() 488{ 489 local _af 490 _af=$1 491 492 case ${_af} in 493 inet|inet6) 494 check_kern_features ${_af} 495 ;; 496 link|ether) 497 return 0 498 ;; 499 *) 500 err 1 "afexists(): Unsupported address family: $_af" 501 ;; 502 esac 503} 504 505# noafif if 506# Returns 0 if the interface has no af configuration and 1 otherwise. 507noafif() 508{ 509 local _if 510 _if=$1 511 512 case $_if in 513 pflog[0-9]*|\ 514 pfsync[0-9]*|\ 515 usbus[0-9]*|\ 516 an[0-9]*|\ 517 ath[0-9]*|\ 518 ipw[0-9]*|\ 519 ipfw[0-9]*|\ 520 iwi[0-9]*|\ 521 iwn[0-9]*|\ 522 ral[0-9]*|\ 523 wi[0-9]*|\ 524 wl[0-9]*|\ 525 wpi[0-9]*) 526 return 0 527 ;; 528 esac 529 530 return 1 531} 532 533# ipv6if if 534# Returns 0 if the interface should be configured for IPv6 and 535# 1 otherwise. 536ipv6if() 537{ 538 local _if _tmpargs i 539 _if=$1 540 541 if ! afexists inet6; then 542 return 1 543 fi 544 545 # lo0 is always IPv6-enabled 546 case $_if in 547 lo0) 548 return 0 549 ;; 550 esac 551 552 case "${ipv6_network_interfaces}" in 553 $_if|"$_if "*|*" $_if"|*" $_if "*|[Aa][Uu][Tt][Oo]) 554 # True if $ifconfig_IF_ipv6 is defined. 555 _tmpargs=`_ifconfig_getargs $_if ipv6` 556 if [ -n "${_tmpargs}" ]; then 557 return 0 558 fi 559 560 # True if $ipv6_prefix_IF is defined. 561 _tmpargs=`get_if_var $_if ipv6_prefix_IF` 562 if [ -n "${_tmpargs}" ]; then 563 return 0 564 fi 565 566 # backward compatibility: True if $ipv6_ifconfig_IF is defined. 567 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF` 568 if [ -n "${_tmpargs}" ]; then 569 return 0 570 fi 571 ;; 572 esac 573 574 return 1 575} 576 577# ipv6_autoconfif if 578# Returns 0 if the interface should be configured for IPv6 with 579# Stateless Address Configuration; 1 otherwise. 580ipv6_autoconfif() 581{ 582 local _if _tmpargs _arg 583 _if=$1 584 585 case $_if in 586 lo[0-9]*|\ 587 stf[0-9]*|\ 588 lp[0-9]*|\ 589 sl[0-9]*) 590 return 1 591 ;; 592 esac 593 if noafif $_if; then 594 return 1 595 fi 596 if ! ipv6if $_if; then 597 return 1 598 fi 599 if checkyesno ipv6_gateway_enable; then 600 return 1 601 fi 602 _tmpargs=`get_if_var $_if ipv6_prefix_IF` 603 if [ -n "${_tmpargs}" ]; then 604 return 1 605 fi 606 # backward compatibility: $ipv6_enable 607 case $ipv6_enable in 608 [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) 609 if checkyesno ipv6_gateway_enable; then 610 return 1 611 fi 612 case $1 in 613 bridge[0-9]*) 614 # No accept_rtadv by default on if_bridge(4) 615 # to avoid a conflict with the member 616 # interfaces. 617 return 1 618 ;; 619 *) 620 return 0 621 ;; 622 esac 623 ;; 624 esac 625 626 _tmpargs=`_ifconfig_getargs $_if ipv6` 627 for _arg in $_tmpargs; do 628 case $_arg in 629 accept_rtadv) 630 return 0 631 ;; 632 esac 633 done 634 635 # backward compatibility: $ipv6_ifconfig_IF 636 _tmpargs=`get_if_var $_if ipv6_ifconfig_IF` 637 for _arg in $_tmpargs; do 638 case $_arg in 639 accept_rtadv) 640 return 0 641 ;; 642 esac 643 done 644 645 return 1 646} 647 648# ifexists if 649# Returns 0 if the interface exists and 1 otherwise. 650ifexists() 651{ 652 [ -z "$1" ] && return 1 653 ${IFCONFIG_CMD} -n $1 > /dev/null 2>&1 654} 655 656# ipv4_up if 657# add IPv4 addresses to the interface $if 658ipv4_up() 659{ 660 local _if _ret 661 _if=$1 662 _ret=1 663 664 # Add 127.0.0.1/8 to lo0 unless otherwise specified. 665 if [ "${_if}" = "lo0" ]; then 666 ifconfig_args=`get_if_var ${_if} ifconfig_IF` 667 if [ -z "${ifconfig_args}" ]; then 668 ${IFCONFIG_CMD} ${_if} inet 127.0.0.1/8 alias 669 fi 670 fi 671 ifalias ${_if} inet alias && _ret=0 672 673 return $_ret 674} 675 676# ipv6_up if 677# add IPv6 addresses to the interface $if 678ipv6_up() 679{ 680 local _if _ret 681 _if=$1 682 _ret=1 683 684 if ! ipv6if $_if; then 685 return 0 686 fi 687 688 ifalias ${_if} inet6 alias && _ret=0 689 ipv6_prefix_hostid_addr_common ${_if} alias && _ret=0 690 691 return $_ret 692} 693 694# ipv4_down if 695# remove IPv4 addresses from the interface $if 696ipv4_down() 697{ 698 local _if _ifs _ret inetList oldifs _inet 699 _if=$1 700 _ifs="^" 701 _ret=1 702 703 ifalias ${_if} inet -alias && _ret=0 704 705 inetList="`${IFCONFIG_CMD} ${_if} | grep 'inet ' | tr "\n\t" "$_ifs"`" 706 707 oldifs="$IFS" 708 IFS="$_ifs" 709 for _inet in $inetList ; do 710 # get rid of extraneous line 711 case $_inet in 712 inet[[:space:]]*) ;; 713 *) continue ;; 714 esac 715 716 _inet=`expr "$_inet" : '.*\(inet \([0-9]\{1,3\}\.\)\{3\}[0-9]\{1,3\}\).*'` 717 718 IFS="$oldifs" 719 ${IFCONFIG_CMD} ${_if} ${_inet} delete 720 IFS="$_ifs" 721 _ret=0 722 done 723 IFS="$oldifs" 724 725 return $_ret 726} 727 728# ipv6_down if 729# remove IPv6 addresses from the interface $if 730ipv6_down() 731{ 732 local _if _ifs _ret inetList oldifs _inet6 733 _if=$1 734 _ifs="^" 735 _ret=1 736 737 if ! ipv6if $_if; then 738 return 0 739 fi 740 741 ipv6_accept_rtadv_down ${_if} && _ret=0 742 ipv6_prefix_hostid_addr_common ${_if} -alias && _ret=0 743 ifalias ${_if} inet6 -alias && _ret=0 744 745 inetList="`${IFCONFIG_CMD} ${_if} | grep 'inet6 ' | tr "\n\t" "$_ifs"`" 746 747 oldifs="$IFS" 748 IFS="$_ifs" 749 for _inet6 in $inetList ; do 750 # get rid of extraneous line 751 case $_inet6 in 752 inet6[[:space:]]*) ;; 753 *) continue ;; 754 esac 755 756 _inet6=`expr "$_inet6" : '.*\(inet6 \([0-9a-f:]*\)\).*'` 757 758 IFS="$oldifs" 759 ${IFCONFIG_CMD} ${_if} ${_inet6} -alias 760 IFS="$_ifs" 761 _ret=0 762 done 763 IFS="$oldifs" 764 765 return $_ret 766} 767 768# ifalias if af action 769# Configure or remove aliases for network interface $if. 770# It returns 0 if at least one alias was configured or 771# removed, or 1 if there were none. 772# 773ifalias() 774{ 775 local _ret 776 _ret=1 777 778 afexists $2 || return $_ret 779 780 case "$2" in 781 inet|inet6|link|ether) 782 ifalias_af_common $1 $2 $3 && _ret=0 783 ;; 784 esac 785 786 return $_ret 787} 788 789# ifalias_expand_addr af action addr 790# Expand address range ("N-M") specification in addr. 791# "addr" must not include an address-family keyword. 792# The results will include an address-family keyword. 793# 794ifalias_expand_addr() 795{ 796 local _af _action 797 798 _af=$1 799 _action=$2 800 shift 2 801 802 afexists $_af || return 803 ifalias_expand_addr_$_af $_action $* 804} 805 806# ifalias_expand_addr_inet action addr 807# Helper function for ifalias_expand_addr(). Handles IPv4. 808# 809ifalias_expand_addr_inet() 810{ 811 local _action _arg _cidr _cidr_addr _exargs 812 local _ipaddr _plen _range _iphead _iptail _iplow _iphigh _ipcount 813 local _retstr _c 814 _action=$1 815 _arg=$2 816 shift 2 817 _exargs=$* 818 _retstr= 819 820 case $_action:$_arg:$_exargs in 821 *:*--*) return ;; # invalid 822 tmp:*[0-9]-[0-9]*:*) # to be expanded 823 _action="alias" 824 ;; 825 *:*[0-9]-[0-9]*:*) # to be expanded 826 ;; 827 tmp:*:*netmask*) # already expanded w/ netmask option 828 echo ${_arg%/[0-9]*} $_exargs && return 829 ;; 830 tmp:*:*) # already expanded w/o netmask option 831 echo $_arg $_exargs && return 832 ;; 833 *:*:*netmask*) # already expanded w/ netmask option 834 echo inet ${_arg%/[0-9]*} $_exargs && return 835 ;; 836 *:*:*) # already expanded w/o netmask option 837 echo inet $_arg $_exargs && return 838 ;; 839 esac 840 841 for _cidr in $_arg; do 842 _ipaddr=${_cidr%%/*} 843 _plen=${_cidr##*/} 844 # When subnet prefix length is not specified, use /32. 845 case $_plen in 846 $_ipaddr) _plen=32 ;; # "/" character not found 847 esac 848 849 OIFS=$IFS 850 IFS=. set -- $_ipaddr 851 _range= 852 _iphead= 853 _iptail= 854 for _c in $@; do 855 case $_range:$_c in 856 :[0-9]*-[0-9]*) 857 _range=$_c 858 ;; 859 :*) 860 _iphead="${_iphead}${_iphead:+.}${_c}" 861 ;; 862 *:*) 863 _iptail="${_iptail}${_iptail:+.}${_c}" 864 ;; 865 esac 866 done 867 IFS=$OIFS 868 _iplow=${_range%-*} 869 _iphigh=${_range#*-} 870 871 # clear netmask when removing aliases 872 if [ "$_action" = "-alias" ]; then 873 _plen="" 874 fi 875 876 _ipcount=$_iplow 877 while [ "$_ipcount" -le "$_iphigh" ]; do 878 _retstr="${_retstr} ${_iphead}${_iphead:+.}${_ipcount}${_iptail:+.}${_iptail}${_plen:+/}${_plen}" 879 if [ $_ipcount -gt $(($_iplow + $netif_ipexpand_max)) ]; then 880 warn "Range specification is too large (${_iphead}${_iphead:+.}${_iplow}${_iptail:+.}${_iptail}-${_iphead}${_iphead:+.}${_iphigh}${_iptail:+.}${_iptail}). ${_iphead}${_iphead:+.}${_iplow}${_iptail:+.}${_iptail}-${_iphead}${_iphead:+.}${_ipcount}${_iptail:+.}${_iptail} was processed. Increase \$netif_ipexpand_max in rc.conf." 881 break 882 else 883 _ipcount=$(($_ipcount + 1)) 884 fi 885 # Forcibly set /32 for remaining aliases. 886 _plen=32 887 done 888 done 889 890 for _c in $_retstr; do 891 ifalias_expand_addr_inet $_action $_c $_exargs 892 done 893} 894 895# ifalias_expand_addr_inet6 action addr 896# Helper function for ifalias_expand_addr(). Handles IPv6. 897# 898ifalias_expand_addr_inet6() 899{ 900 local _action _arg _cidr _cidr_addr _exargs 901 local _ipaddr _plen _ipleft _ipright _iplow _iphigh _ipcount 902 local _ipv4part 903 local _retstr _c 904 _action=$1 905 _arg=$2 906 shift 2 907 _exargs=$* 908 _retstr= 909 910 case $_action:$_arg:$_exargs in 911 *:*--*:*) return ;; # invalid 912 tmp:*[0-9a-zA-Z]-[0-9a-zA-Z]*:*)# to be expanded 913 _action="alias" 914 ;; 915 *:*[0-9a-zA-Z]-[0-9a-zA-Z]*:*) # to be expanded 916 ;; 917 tmp:*:*prefixlen*) # already expanded w/ prefixlen option 918 echo ${_arg%/[0-9]*} $_exargs && return 919 ;; 920 tmp:*:*) # already expanded w/o prefixlen option 921 echo $_arg $_exargs && return 922 ;; 923 *:*:*prefixlen*) # already expanded w/ prefixlen option 924 echo inet6 ${_arg%/[0-9]*} $_exargs && return 925 ;; 926 *:*:*) # already expanded w/o prefixlen option 927 echo inet6 $_arg $_exargs && return 928 ;; 929 esac 930 931 for _cidr in $_arg; do 932 _ipaddr="${_cidr%%/*}" 933 _plen="${_cidr##*/}" 934 935 case $_action:$_ipaddr:$_cidr in 936 -alias:*:*) unset _plen ;; 937 *:$_cidr:$_ipaddr) unset _plen ;; 938 esac 939 940 if [ "${_ipaddr%:*.*.*.*}" = "$_ipaddr" ]; then 941 # Handle !v4mapped && !v4compat addresses. 942 943 # The default prefix length is 64. 944 case $_ipaddr:$_cidr in 945 $_cidr:$_ipaddr) _plen="64" ;; 946 esac 947 _ipleft=${_ipaddr%-*} 948 _ipright=${_ipaddr#*-} 949 _iplow=${_ipleft##*:} 950 _iphigh=${_ipright%%:*} 951 _ipleft=${_ipleft%:*} 952 _ipright=${_ipright#*:} 953 954 if [ "$_iphigh" = "$_ipright" ]; then 955 unset _ipright 956 else 957 _ipright=:$_ipright 958 fi 959 960 if [ -n "$_iplow" -a -n "$_iphigh" ]; then 961 _iplow=$((0x$_iplow)) 962 _iphigh=$((0x$_iphigh)) 963 _ipcount=$_iplow 964 while [ $_ipcount -le $_iphigh ]; do 965 _r=`printf "%s:%04x%s%s" \ 966 $_ipleft $_ipcount $_ipright \ 967 ${_plen:+/}$_plen` 968 _retstr="$_retstr $_r" 969 if [ $_ipcount -gt $(($_iplow + $netif_ipexpand_max)) ] 970 then 971 warn "Range specification is too large $(printf '(%s:%x%s-%s:%x%s)' "$_ipleft" "$_iplow" "$_ipright" "$_ipleft" "$_iphigh" "$_ipright"). $(printf '%s:%x%s-%s:%x%s' "$_ipleft" "$_iplow" "$_ipright" "$_ipleft" "$_ipcount" "$_ipright") was processed. Increase \$netif_ipexpand_max in rc.conf." 972 break 973 else 974 _ipcount=$(($_ipcount + 1)) 975 fi 976 done 977 else 978 _retstr="${_ipaddr}${_plen:+/}${_plen}" 979 fi 980 981 for _c in $_retstr; do 982 ifalias_expand_addr_inet6 $_action $_c $_exargs 983 done 984 else 985 # v4mapped/v4compat should handle as an IPv4 alias 986 _ipv4part=${_ipaddr##*:} 987 988 # Adjust prefix length if any. If not, set the 989 # default prefix length as 32. 990 case $_ipaddr:$_cidr in 991 $_cidr:$_ipaddr) _plen=32 ;; 992 *) _plen=$(($_plen - 96)) ;; 993 esac 994 995 _retstr=`ifalias_expand_addr_inet \ 996 tmp ${_ipv4part}${_plen:+/}${_plen}` 997 for _c in $_retstr; do 998 ifalias_expand_addr_inet $_action $_c $_exargs 999 done 1000 fi 1001 done 1002} 1003 1004# ifalias_af_common_handler if af action args 1005# Helper function for ifalias_af_common(). 1006# 1007ifalias_af_common_handler() 1008{ 1009 local _ret _if _af _action _args _c _tmpargs 1010 1011 _ret=1 1012 _if=$1 1013 _af=$2 1014 _action=$3 1015 shift 3 1016 _args=$* 1017 1018 case $_args in 1019 ${_af}[[:space:]]*) ;; 1020 *) return ;; 1021 esac 1022 1023 # link(ether) does not support address removal. 1024 case $_af:$_action in 1025 link:-alias|ether:-alias) return ;; 1026 esac 1027 1028 _tmpargs= 1029 for _c in $_args; do 1030 case $_c in 1031 ${_af}) 1032 case $_tmpargs in 1033 ${_af}[[:space:]]*[0-9a-fA-F]-*) 1034 ifalias_af_common_handler $_if $_af $_action \ 1035 `ifalias_expand_addr $_af $_action ${_tmpargs#${_af}[[:space:]]}` 1036 ;; 1037 ${_af}[[:space:]]*) 1038 ${IFCONFIG_CMD} $_if $_tmpargs $_action && _ret=0 1039 ;; 1040 esac 1041 _tmpargs=$_af 1042 ;; 1043 *) 1044 _tmpargs="$_tmpargs $_c" 1045 ;; 1046 esac 1047 done 1048 # Process the last component if any. 1049 if [ -n "${_tmpargs}" ]; then 1050 case $_tmpargs in 1051 ${_af}[[:space:]]pass[[:space:]]*) 1052 ${IFCONFIG_CMD} $_if $_tmpargs $_action && _ret=0 1053 ;; 1054 ${_af}[[:space:]]*[0-9a-fA-F]-*) 1055 ifalias_af_common_handler $_if $_af $_action \ 1056 `ifalias_expand_addr $_af $_action ${_tmpargs#${_af}[[:space:]]}` 1057 ;; 1058 ${_af}[[:space:]]*) 1059 ${IFCONFIG_CMD} $_if $_tmpargs $_action && _ret=0 1060 ;; 1061 esac 1062 fi 1063 1064 return $_ret 1065} 1066 1067# ifalias_af_common if af action 1068# Helper function for ifalias(). 1069# 1070ifalias_af_common() 1071{ 1072 local _ret _if _af _action alias ifconfig_args _aliasn _c _tmpargs _iaf 1073 local _vif _punct=".-/+" 1074 1075 _ret=1 1076 _aliasn= 1077 _if=$1 1078 _af=$2 1079 _action=$3 1080 1081 # Normalize $_if before using it in a pattern to list_vars() 1082 ltr "$_if" "$_punct" "_" _vif 1083 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))` 1087 do 1088 eval ifconfig_args=\"\$$alias\" 1089 _iaf= 1090 case $ifconfig_args in 1091 inet[[:space:]]*) _iaf=inet ;; 1092 inet6[[:space:]]*) _iaf=inet6 ;; 1093 link[[:space:]]*) _iaf=link ;; 1094 ether[[:space:]]*) _iaf=ether ;; 1095 esac 1096 1097 case ${_af}:${_action}:${_iaf}:"${ifconfig_args}" in 1098 ${_af}:*:${_af}:*) 1099 _aliasn="$_aliasn $ifconfig_args" 1100 ;; 1101 ${_af}:*:"":"") 1102 break 1103 ;; 1104 inet:alias:"":*) 1105 _aliasn="$_aliasn inet $ifconfig_args" 1106 warn "\$${alias} needs leading" \ 1107 "\"inet\" keyword for an IPv4 address." 1108 esac 1109 done 1110 1111 # backward compatibility: ipv6_ifconfig_IF_aliasN. 1112 case $_af in 1113 inet6) 1114 for alias in `list_vars ipv6_ifconfig_${_vif}_alias[0-9]\* | 1115 sort_lite -nk1.$((14+${#_vif}+7))` 1116 do 1117 eval ifconfig_args=\"\$$alias\" 1118 case ${_action}:"${ifconfig_args}" in 1119 *:"") 1120 break 1121 ;; 1122 alias:*) 1123 _aliasn="${_aliasn} inet6 ${ifconfig_args}" 1124 warn "\$${alias} is obsolete. " \ 1125 "Use ifconfig_${_vif}_aliasN instead." 1126 ;; 1127 esac 1128 done 1129 esac 1130 1131 # backward compatibility: ipv4_addrs_IF. 1132 for _tmpargs in `get_if_var $_if ipv4_addrs_IF`; do 1133 _aliasn="$_aliasn inet $_tmpargs" 1134 done 1135 1136 # Handle ifconfig_IF_aliases, ifconfig_IF_aliasN, and the others. 1137 _tmpargs= 1138 for _c in `get_if_var $_if ifconfig_IF_aliases` $_aliasn; do 1139 case $_c in 1140 inet|inet6|link|ether) 1141 case $_tmpargs in 1142 ${_af}[[:space:]]*) 1143 eval ifalias_af_common_handler $_if $_af $_action $_tmpargs && _ret=0 1144 ;; 1145 esac 1146 _tmpargs=$_c 1147 ;; 1148 *) 1149 _tmpargs="$_tmpargs $_c" 1150 esac 1151 done 1152 # Process the last component 1153 case $_tmpargs in 1154 ${_af}[[:space:]]*) 1155 ifalias_af_common_handler $_if $_af $_action $_tmpargs && _ret=0 1156 ;; 1157 esac 1158 1159 return $_ret 1160} 1161 1162# ipv6_prefix_hostid_addr_common if action 1163# Add or remove IPv6 prefix + hostid addr on the interface $if 1164# 1165ipv6_prefix_hostid_addr_common() 1166{ 1167 local _if _action prefix j 1168 _if=$1 1169 _action=$2 1170 prefix=`get_if_var ${_if} ipv6_prefix_IF` 1171 1172 if [ -n "${prefix}" ]; then 1173 for j in ${prefix}; do 1174 # The default prefixlen is 64. 1175 plen=${j#*/} 1176 case $j:$plen in 1177 $plen:$j) plen=64 ;; 1178 *) j=${j%/*} ;; 1179 esac 1180 1181 # Normalize the last part by removing ":" 1182 j=${j%::*} 1183 j=${j%:} 1184 ${IFCONFIG_CMD} ${_if} inet6 $j:: \ 1185 prefixlen $plen eui64 ${_action} 1186 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 1192 fi 1193 done 1194 fi 1195} 1196 1197# ipv6_accept_rtadv_up if 1198# Enable accepting Router Advertisement and send Router 1199# Solicitation message 1200ipv6_accept_rtadv_up() 1201{ 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 1206 fi 1207 return 0 1208 fi 1209 return 1 1210} 1211 1212# ipv6_accept_rtadv_down if 1213# Disable accepting Router Advertisement 1214ipv6_accept_rtadv_down() 1215{ 1216 if ipv6_autoconfif $1; then 1217 ${IFCONFIG_CMD} $1 inet6 -accept_rtadv 1218 fi 1219} 1220 1221# ifscript_up if 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. 1225# 1226ifscript_up() 1227{ 1228 if [ -r /etc/start_if.$1 ]; then 1229 . /etc/start_if.$1 1230 return 0 1231 else 1232 return 1 1233 fi 1234} 1235 1236# ifscript_down if 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. 1240# 1241ifscript_down() 1242{ 1243 if [ -r /etc/stop_if.$1 ]; then 1244 . /etc/stop_if.$1 1245 return 0 1246 else 1247 return 1 1248 fi 1249} 1250 1251# wlan_up 1252# Create IEEE802.11 interfaces. 1253# 1254wlan_up() 1255{ 1256 local _list _iflist parent child_wlans child create_args debug_flags 1257 _list= 1258 _iflist=$* 1259 1260 # Parse wlans_$parent="$child ..." 1261 for parent in `set | sed -nE 's/wlans_([a-z]+[a-z0-9]+[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`" 1266 case $_iflist in 1267 ""|$child|$child[[:space:]]*|*[[:space:]]$child[[:space:]]*|*[[:space:]]$child) ;; 1268 *) continue ;; 1269 esac 1270 # Skip if ${child} already exists. 1271 if ${IFCONFIG_CMD} $child > /dev/null 2>&1; then 1272 continue 1273 fi 1274 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then 1275 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0 1276 else 1277 ${IFCONFIG_CMD} wlan create ${create_args} name $child && cfg=0 1278 fi 1279 if [ $? -eq 0 ]; then 1280 _list="$_list $child" 1281 fi 1282 if [ -n "${debug_flags}" ]; then 1283 wlandebug -i $child ${debug_flags} 1284 fi 1285 done 1286 done 1287 if [ -n "${_list# }" ]; then 1288 echo "Created wlan(4) interfaces: ${_list# }." 1289 fi 1290 debug "Created wlan(4)s: ${_list# }" 1291} 1292 1293# wlan_down 1294# Destroy IEEE802.11 interfaces. 1295# 1296wlan_down() 1297{ 1298 local _list _iflist parent child_wlans child 1299 _list= 1300 _iflist=$* 1301 1302 # Parse wlans_$parent="$child ..." 1303 for parent in `set | sed -nE 's/wlans_([a-z]+[a-z0-9]+[0-9]+)=.*/\1/p'`; do 1304 child_wlans=`get_if_var $parent wlans_IF` 1305 for child in ${child_wlans}; do 1306 case $_iflist in 1307 ""|$child|$child[[:space:]]*|*[[:space:]]$child[[:space:]]*|*[[:space:]]$child) ;; 1308 *) continue ;; 1309 esac 1310 # Skip if ${child} doesn't exists. 1311 if ! ${IFCONFIG_CMD} $child > /dev/null 2>&1; then 1312 continue 1313 fi 1314 ${IFCONFIG_CMD} -n ${child} destroy 1315 if [ $? -eq 0 ]; then 1316 _list="$_list $child" 1317 fi 1318 done 1319 done 1320 if [ -n "${_list# }" ]; then 1321 echo "Destroyed wlan(4) interfaces: ${_list# }." 1322 fi 1323 debug "Destroyed wlan(4)s: ${_list# }" 1324} 1325 1326# clone_up 1327# Create cloneable interfaces. 1328# 1329clone_up() 1330{ 1331 local _list ifn ifopt _iflist _inet6 _n tmpargs 1332 _list= 1333 _iflist=$* 1334 1335 # create_args_IF 1336 for ifn in ${cloned_interfaces}; do 1337 # Parse ifn:ifopt. 1338 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS 1339 case $_iflist in 1340 ""|$ifn|$ifn[[:space:]]*|*[[:space:]]$ifn[[:space:]]*|*[[:space:]]$ifn) ;; 1341 *) continue ;; 1342 esac 1343 case $ifn in 1344 epair[0-9]*) 1345 # epair(4) uses epair[0-9] for creation and 1346 # epair[0-9][ab] for configuration. 1347 # 1348 # Skip if ${ifn}a or ${ifn}b already exist. 1349 if ${IFCONFIG_CMD} ${ifn}a > /dev/null 2>&1; then 1350 continue 1351 elif ${IFCONFIG_CMD} ${ifn}b > /dev/null 2>&1; then 1352 continue 1353 fi 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" 1358 fi 1359 ;; 1360 *) 1361 # Skip if ${ifn} already exists. 1362 if ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then 1363 continue 1364 fi 1365 ${IFCONFIG_CMD} ${ifn} create \ 1366 `get_if_var ${ifn} create_args_IF` 1367 if [ $? -eq 0 ]; then 1368 _list="$_list $ifn" 1369 fi 1370 esac 1371 done 1372 for ifn in ${gif_interfaces}; do 1373 # Parse ifn:ifopt. 1374 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS 1375 case $_iflist in 1376 ""|$ifn|$ifn[[:space:]]*|*[[:space:]]$ifn[[:space:]]*|*[[:space:]]$ifn) ;; 1377 *) continue ;; 1378 esac 1379 # Skip if ifn already exists. 1380 if ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then 1381 continue 1382 fi 1383 case $ifn in 1384 gif[0-9]*) 1385 ${IFCONFIG_CMD} $ifn create 1386 ;; 1387 *) 1388 _n=$(${IFCONFIG_CMD} gif create) 1389 ${IFCONFIG_CMD} $_n name $ifn 1390 ;; 1391 esac 1392 if [ $? -eq 0 ]; then 1393 _list="$_list $ifn" 1394 tmpargs=$(get_if_var $ifn gifconfig_IF) 1395 _inet6='' 1396 case "$tmpargs" in 1397 '') 1398 ;; 1399 inet6[[:space:]]*) 1400 tmpargs=${tmpargs#inet6} 1401 _inet6=inet6 1402 # FALLTHROUGH 1403 ;& 1404 *) 1405 ${IFCONFIG_CMD} $ifn $_inet6 tunnel $tmpargs 1406 ;; 1407 esac 1408 fi 1409 done 1410 if [ -n "${_list# }" ]; then 1411 echo "Created clone interfaces: ${_list# }." 1412 fi 1413 debug "Cloned: ${_list# }" 1414} 1415 1416# clone_down 1417# Destroy cloned interfaces. Destroyed interfaces are echoed to 1418# standard output. 1419# 1420clone_down() 1421{ 1422 local _list ifn _difn ifopt _iflist _sticky 1423 _list= 1424 _iflist=$* 1425 1426 : ${cloned_interfaces_sticky:=NO} 1427 if checkyesno cloned_interfaces_sticky; then 1428 _sticky=1 1429 else 1430 _sticky=0 1431 fi 1432 for ifn in ${cloned_interfaces} ${gif_interfaces}; do 1433 # Parse ifn:ifopt. 1434 OIFS=$IFS; IFS=:; set -- $ifn; ifn=$1; ifopt=$2; IFS=$OIFS 1435 case $ifopt:$_sticky in 1436 sticky:*) continue ;; # :sticky => not destroy 1437 nosticky:*) ;; # :nosticky => destroy 1438 *:1) continue ;; # global sticky knob == 1 1439 esac 1440 case $_iflist in 1441 ""|$ifn|$ifn[[:space:]]*|*[[:space:]]$ifn[[:space:]]*|*[[:space:]]$ifn) ;; 1442 *) continue ;; 1443 esac 1444 case $ifn in 1445 epair[0-9]*) 1446 # Note: epair(4) uses epair[0-9] for removal and 1447 # epair[0-9][ab] for configuration. 1448 # 1449 # Skip if both of ${ifn}a and ${ifn}b do not exist. 1450 if ${IFCONFIG_CMD} ${ifn}a > /dev/null 2>&1; then 1451 _difn=${ifn}a 1452 elif ${IFCONFIG_CMD} ${ifn}b > /dev/null 2>&1; then 1453 _difn=${ifn}b 1454 else 1455 continue 1456 fi 1457 ${IFCONFIG_CMD} -n $_difn destroy 1458 if [ $? -eq 0 ]; then 1459 _list="$_list ${ifn}a ${ifn}b" 1460 fi 1461 ;; 1462 *) 1463 # Skip if ifn does not exist. 1464 if ! ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then 1465 continue 1466 fi 1467 ${IFCONFIG_CMD} -n ${ifn} destroy 1468 if [ $? -eq 0 ]; then 1469 _list="$_list $ifn" 1470 fi 1471 ;; 1472 esac 1473 done 1474 if [ -n "${_list# }" ]; then 1475 echo "Destroyed clone interfaces: ${_list# }." 1476 fi 1477 debug "Destroyed clones: ${_list# }" 1478} 1479 1480# childif_create 1481# Create and configure child interfaces. Return 0 if child 1482# interfaces are created. 1483# 1484childif_create() 1485{ 1486 local cfg child child_vlans create_args debug_flags ifn i 1487 cfg=1 1488 ifn=$1 1489 1490 # Create vlan interfaces 1491 child_vlans=`get_if_var $ifn vlans_IF` 1492 1493 if [ -n "${child_vlans}" ]; then 1494 load_kld if_vlan 1495 fi 1496 1497 for child in ${child_vlans}; do 1498 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then 1499 child="${ifn}.${child}" 1500 create_args=`get_if_var $child create_args_IF` 1501 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0 1502 else 1503 create_args="vlandev $ifn `get_if_var $child create_args_IF`" 1504 if expr $child : 'vlan[0-9][0-9]*$' >/dev/null 2>&1; then 1505 ${IFCONFIG_CMD} $child create ${create_args} && cfg=0 1506 else 1507 i=`${IFCONFIG_CMD} vlan create ${create_args}` 1508 ${IFCONFIG_CMD} $i name $child && cfg=0 1509 fi 1510 fi 1511 if autoif $child; then 1512 ifn_start $child 1513 fi 1514 done 1515 1516 return ${cfg} 1517} 1518 1519# childif_destroy 1520# Destroy child interfaces. 1521# 1522childif_destroy() 1523{ 1524 local cfg child child_vlans ifn 1525 cfg=1 1526 1527 child_vlans=`get_if_var $ifn vlans_IF` 1528 for child in ${child_vlans}; do 1529 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then 1530 child="${ifn}.${child}" 1531 fi 1532 if ! ifexists $child; then 1533 continue 1534 fi 1535 ${IFCONFIG_CMD} -n $child destroy && cfg=0 1536 done 1537 1538 return ${cfg} 1539} 1540 1541# ng_mkpeer 1542# Create netgraph nodes. 1543# 1544ng_mkpeer() 1545{ 1546 ngctl -f - 2> /dev/null <<EOF 1547mkpeer $* 1548msg dummy nodeinfo 1549EOF 1550} 1551 1552# ng_create_one 1553# Create netgraph nodes. 1554# 1555ng_create_one() 1556{ 1557 local t 1558 1559 ng_mkpeer $* | while read line; do 1560 t=`expr "${line}" : '.* name="\([a-z]*[0-9]*\)" .*'` 1561 if [ -n "${t}" ]; then 1562 echo ${t} 1563 return 1564 fi 1565 done 1566} 1567 1568# ifnet_rename [ifname] 1569# Rename interfaces if ifconfig_IF_name is defined. 1570# 1571ifnet_rename() 1572{ 1573 local _if _ifname 1574 1575 # ifconfig_IF_name 1576 for _if in ${*:-$(${IFCONFIG_CMD} -l)}; do 1577 _ifname=`get_if_var $_if ifconfig_IF_name` 1578 if [ ! -z "$_ifname" ]; then 1579 ${IFCONFIG_CMD} $_if name $_ifname 1580 fi 1581 done 1582 1583 return 0 1584} 1585 1586# list_net_interfaces type 1587# List all network interfaces. The type of interface returned 1588# can be controlled by the type argument. The type 1589# argument can be any of the following: 1590# nodhcp - all interfaces, excluding DHCP configured interfaces 1591# dhcp - list only DHCP configured interfaces 1592# noautoconf - all interfaces, excluding IPv6 Stateless 1593# Address Autoconf configured interfaces 1594# autoconf - list only IPv6 Stateless Address Autoconf 1595# configured interfaces 1596# If no argument is specified all network interfaces are output. 1597# Note that the list will include cloned interfaces if applicable. 1598# Cloned interfaces must already exist to have a chance to appear 1599# in the list if ${network_interfaces} is set to `auto'. 1600# 1601list_net_interfaces() 1602{ 1603 local type _tmplist _list _autolist _lo _if 1604 type=$1 1605 1606 # Get a list of ALL the interfaces and make lo0 first if it's there. 1607 # 1608 _tmplist= 1609 case ${network_interfaces} in 1610 [Aa][Uu][Tt][Oo]) 1611 _autolist="`${IFCONFIG_CMD} -l`" 1612 _lo= 1613 for _if in ${_autolist} ; do 1614 if autoif $_if; then 1615 if [ "$_if" = "lo0" ]; then 1616 _lo="lo0 " 1617 else 1618 _tmplist="${_tmplist} ${_if}" 1619 fi 1620 fi 1621 done 1622 _tmplist="${_lo}${_tmplist# }" 1623 ;; 1624 *) 1625 for _if in ${network_interfaces} ${cloned_interfaces}; do 1626 # epair(4) uses epair[0-9] for creation and 1627 # epair[0-9][ab] for configuration. 1628 case $_if in 1629 epair[0-9]*) 1630 _tmplist="$_tmplist ${_if}a ${_if}b" 1631 ;; 1632 *) 1633 _tmplist="$_tmplist $_if" 1634 ;; 1635 esac 1636 done 1637 # 1638 # lo0 is effectively mandatory, so help prevent foot-shooting 1639 # 1640 case "$_tmplist" in 1641 lo0|'lo0 '*|*' lo0'|*' lo0 '*) 1642 # This is fine, do nothing 1643 _tmplist="${_tmplist# }" 1644 ;; 1645 *) 1646 _tmplist="lo0 ${_tmplist# }" 1647 ;; 1648 esac 1649 ;; 1650 esac 1651 1652 _list= 1653 case "$type" in 1654 nodhcp) 1655 for _if in ${_tmplist} ; do 1656 if ! dhcpif $_if && \ 1657 [ -n "`_ifconfig_getargs $_if`" ]; then 1658 _list="${_list# } ${_if}" 1659 fi 1660 done 1661 ;; 1662 dhcp) 1663 for _if in ${_tmplist} ; do 1664 if dhcpif $_if; then 1665 _list="${_list# } ${_if}" 1666 fi 1667 done 1668 ;; 1669 noautoconf) 1670 for _if in ${_tmplist} ; do 1671 if ! ipv6_autoconfif $_if && \ 1672 [ -n "`_ifconfig_getargs $_if ipv6`" ]; then 1673 _list="${_list# } ${_if}" 1674 fi 1675 done 1676 ;; 1677 autoconf) 1678 for _if in ${_tmplist} ; do 1679 if ipv6_autoconfif $_if; then 1680 _list="${_list# } ${_if}" 1681 fi 1682 done 1683 ;; 1684 *) 1685 _list=${_tmplist} 1686 ;; 1687 esac 1688 1689 echo $_list 1690 1691 return 0 1692} 1693 1694# get_default_if -address_family 1695# Get the interface of the default route for the given address family. 1696# The -address_family argument must be suitable passing to route(8). 1697# 1698get_default_if() 1699{ 1700 local routeget oldifs defif line 1701 defif= 1702 oldifs="$IFS" 1703 IFS=" 1704" 1705 for line in `route -n get $1 default 2>/dev/null`; do 1706 case $line in 1707 *interface:*) 1708 defif=${line##*: } 1709 ;; 1710 esac 1711 done 1712 IFS=${oldifs} 1713 1714 echo $defif 1715} 1716 1717# hexdigit arg 1718# Echo decimal number $arg (single digit) in hexadecimal format. 1719hexdigit() 1720{ 1721 printf '%x\n' "$1" 1722} 1723 1724# hexprint arg 1725# Echo decimal number $arg (multiple digits) in hexadecimal format. 1726hexprint() 1727{ 1728 printf '%x\n' "$1" 1729} 1730 1731is_wired_interface() 1732{ 1733 local media 1734 1735 case `${IFCONFIG_CMD} $1 2>/dev/null` in 1736 *media:?Ethernet*) media=Ethernet ;; 1737 esac 1738 1739 test "$media" = "Ethernet" 1740} 1741 1742# network6_getladdr if [flag] 1743# Echo link-local address from $if if any. 1744# If flag is defined, tentative ones will be excluded. 1745network6_getladdr() 1746{ 1747 local _if _flag proto addr rest 1748 _if=$1 1749 _flag=$2 1750 1751 ${IFCONFIG_CMD} $_if inet6 2>/dev/null | while read proto addr rest; do 1752 case "${proto}/${addr}/${_flag}/${rest}" in 1753 inet6/fe80::*//*) 1754 echo ${addr} 1755 ;; 1756 inet6/fe80:://*tentative*) # w/o flag 1757 sleep `${SYSCTL_N} net.inet6.ip6.dad_count` 1758 network6_getladdr $_if $_flags 1759 ;; 1760 inet6/fe80::/*/*tentative*) # w/ flag 1761 echo ${addr} 1762 ;; 1763 *) 1764 continue 1765 ;; 1766 esac 1767 1768 return 1769 done 1770} 1771