394 lines
12 KiB
Plaintext
394 lines
12 KiB
Plaintext
if [ ! "$_NETWORKING_DEVICE_SUBR" ]; then _NETWORKING_DEVICE_SUBR=1
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#
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# Copyright (c) 2006-2013 Devin Teske
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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############################################################ INCLUDES
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BSDCFG_SHARE="/usr/share/bsdconfig"
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. $BSDCFG_SHARE/common.subr || exit 1
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f_dprintf "%s: loading includes..." networking/device.subr
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f_include $BSDCFG_SHARE/device.subr
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f_include $BSDCFG_SHARE/dialog.subr
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f_include $BSDCFG_SHARE/media/tcpip.subr
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f_include $BSDCFG_SHARE/networking/common.subr
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f_include $BSDCFG_SHARE/networking/ipaddr.subr
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f_include $BSDCFG_SHARE/networking/media.subr
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f_include $BSDCFG_SHARE/networking/netmask.subr
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f_include $BSDCFG_SHARE/networking/resolv.subr
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f_include $BSDCFG_SHARE/networking/routing.subr
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f_include $BSDCFG_SHARE/sysrc.subr
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BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="120.networking"
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f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr
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############################################################ GLOBALS
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#
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# Settings used while interacting with various dialog(1) menus
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#
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: ${DIALOG_MENU_NETDEV_KICK_INTERFACES=1}
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: ${DIALOG_MENU_NETDEV_SLEEP_AFTER_KICK=3}
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############################################################ FUNCTIONS
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# f_dialog_menu_netdev [$default]
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#
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# Display a list of network devices with descriptions. Optionally, if present
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# and non-NULL, initially highlight $default interface.
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#
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f_dialog_menu_netdev()
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{
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local defaultitem="${1%\*}" # Tim trailing asterisk if present
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#
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# Display a message to let the user know we're working...
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# (message will remain until we throw up the next dialog)
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#
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f_dialog_info "$msg_probing_network_interfaces"
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#
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# Get list of usable network interfaces
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#
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local d='[[:digit:]]+:'
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local iflist="`echo "$(ifconfig -l):" | sed -E -e "
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# Convert all spaces to colons
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y/ /:/
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# Prune unsavory interfaces
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s/lo$d//g
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s/ppp$d//g
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s/sl$d//g
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s/faith$d//g
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# Convert all colons back into spaces
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y/:/ /
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"`"
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#
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# Optionally kick interfaces in the head to get them to accurately
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# track the carrier status in realtime (required on FreeBSD).
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#
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if [ "$DIALOG_MENU_NETDEV_KICK_INTERFACES" ]; then
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DIALOG_MENU_NETDEV_KICK_INTERFACES=
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local ifn
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for ifn in $iflist; do
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f_quietly ifconfig $ifn up
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done
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if [ "$DIALOG_MENU_NETDEV_SLEEP_AFTER_KICK" ]; then
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# interfaces need time to update carrier status
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sleep $DIALOG_MENU_NETDEV_SLEEP_AFTER_KICK
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fi
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fi
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#
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# Mark any "active" interfaces with an asterisk (*)
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# to the right of the device name.
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#
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interfaces=$(
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for ifn in $iflist; do
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active=$( ifconfig $ifn | awk \
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'
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( $1 == "status:" ) \
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{
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if ( $2 == "active" ) { print 1; exit }
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}
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' )
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printf "'%s%s' '%s'\n" \
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$ifn "${active:+*}" "$( f_device_desc $ifn )"
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done
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)
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if [ ! "$interfaces" ]; then
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f_show_msg "$msg_no_network_interfaces"
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return $FAILURE
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fi
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#
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# Maybe the default item was marked as active
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#
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if [ "$defaultitem" ]; then
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ifconfig "$defaultitem" 2> /dev/null | awk \
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'( $1 == "status:" && $2 != "active" ) { exit 0 }' ||
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defaultitem="$defaultitem*"
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fi
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local hline="$hline_arrows_tab_enter"
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#
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# Ask user to select an interface
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#
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local prompt="$msg_select_network_interface"
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local height width rows
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eval f_dialog_menu_size height width rows \
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\"\$DIALOG_TITLE\" \
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\"\$DIALOG_BACKTITLE\" \
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\"\$prompt\" \
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\"\$hline\" \
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$interfaces
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local menu_choice
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menu_choice=$( eval $DIALOG \
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--title \"\$DIALOG_TITLE\" \
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--backtitle \"\$DIALOG_BACKTITLE\" \
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--hline \"\$hline\" \
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--ok-label \"\$msg_ok\" \
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--cancel-label \"\$msg_cancel\" \
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--default-item \"\$defaultitem\" \
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--menu \"\$prompt\" \
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$height $width $rows \
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$interfaces \
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2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
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)
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local retval=$?
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f_dialog_menutag_store -s "$menu_choice"
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return $retval
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}
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# f_dialog_menu_netdev_edit $interface $ipaddr $netmask $options $dhcp
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#
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# Allow a user to edit network interface settings. Current values are not
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# probed but rather taken from the positional arguments.
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#
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f_dialog_menu_netdev_edit()
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{
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local interface="$1" ipaddr="$2" netmask="$3" options="$4" dhcp="$5"
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local prompt menu_list height width rows
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#
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# Create a duplicate set of variables for change-tracking...
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#
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local ipaddr_orig="$2" \
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netmask_orig="$3" \
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options_orig="$4" \
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dhcp_orig="$5"
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local hline="$hline_arrows_tab_enter"
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prompt=$( printf "$msg_network_configuration" "$interface" )
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#
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# Loop forever until the user has finished configuring the different
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# components of the network interface.
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#
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# To apply the settings, we need to know each of the following:
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# - IP Address
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# - Network subnet mask
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# - Additional ifconfig(8) options
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#
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# It is only when we have all of the above values that we can make the
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# changes effective because all three options must be specified at-once
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# to ifconfig(8).
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#
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local defaultitem=
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while :; do
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local dhcp_status="$msg_disabled"
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[ "$dhcp" ] && dhcp_status="$msg_enabled"
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#
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# Display configuration-edit menu
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#
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menu_list="
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'X $msg_save_exit' '$msg_return_to_previous_menu'
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'2 $msg_dhcp' '$dhcp_status'
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'3 $msg_ipaddr4' '$ipaddr'
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'4 $msg_netmask' '$netmask'
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'5 $msg_options' '$options'
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"
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eval f_dialog_menu_size height width rows \
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\"\$DIALOG_TITLE\" \
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\"\$DIALOG_BACKTITLE\" \
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\"\$prompt\" \
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\"\$hline\" \
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$menu_list
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local tag
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tag=$( eval $DIALOG \
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--title \"\$DIALOG_TITLE\" \
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--backtitle \"\$DIALOG_BACKTITLE\" \
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--hline \"\$hline\" \
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--ok-label \"\$msg_ok\" \
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--cancel-label \"\$msg_cancel\" \
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--help-button \
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--help-label \"\$msg_help\" \
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${USE_XDIALOG:+--help \"\"} \
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--default-item \"\$defaultitem\" \
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--menu \"\$prompt\" \
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$height $width $rows \
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$menu_list \
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2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
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)
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local retval=$?
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f_dialog_data_sanitize tag
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if [ $retval -eq 2 ]; then
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# The Help button was pressed
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f_show_help "$TCP_HELPFILE"
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continue
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elif [ $retval -ne $SUCCESS ]; then
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# "Cancel" was chosen (-1) or ESC was pressed (255)
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return $retval
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else
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# Only update default-item on success
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defaultitem="$tag"
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fi
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#
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# Call the below ``modifier functions'' whose job it is to take
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# input from the user and assign the newly-acquired values back
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# to the ipaddr, netmask, and options variables for us to re-
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# read and display in the summary dialog.
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#
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case "$tag" in
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X\ *) break ;;
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2\ *) #
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# Proceed cautiously (confirm with the user) if/when NFS-
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# mounts are active. If the network on which these mounts
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# are made is changed parts of the system may hang.
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#
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if f_nfs_mounted && ! f_jailed; then
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local setting="$( printf "$msg_current_dhcp_status" \
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"$interface" "$dhcp_status" )"
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f_noyes "$msg_nfs_mounts_may_cause_hang" "$setting" ||
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continue
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fi
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#
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# Toggle DHCP status
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#
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if [ "$dhcp_status" = "$msg_enabled" ]; then
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dhcp=
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else
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trap - SIGINT
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( # Execute within sub-shell to allow/catch Ctrl-C
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trap 'exit $FAILURE' SIGINT
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msg=$( printf "$msg_scanning_for_dhcp" "$interface" )
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if [ "$USE_XDIALOG" ]; then
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(
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f_quietly ifconfig $interface delete
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f_quietly dhclient $interface
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) |
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f_xdialog_info "$msg"
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else
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f_dialog_info "$msg"
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f_quietly ifconfig $interface delete
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f_quietly dhclient $interface
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fi
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)
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retval=$?
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trap 'interrupt' SIGINT
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if [ $retval -eq $SUCCESS ]; then
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dhcp=1
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ipaddr=$( f_ifconfig_inet $interface )
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netmask=$( f_ifconfig_netmask $interface )
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options=
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# Fixup search/domain in resolv.conf(5)
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hostname=$( f_sysrc_get \
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'hostname:-$(hostname)' )
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f_dialog_resolv_conf_update "$hostname"
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fi
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fi
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;;
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3\ *) f_dialog_input_ipaddr "$interface" "$ipaddr"
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[ $? -eq $SUCCESS ] && dhcp= ;;
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4\ *) f_dialog_input_netmask "$interface" "$netmask"
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[ $? -eq $SUCCESS -a "$_netmask" ] && dhcp= ;;
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5\ *) f_dialog_menu_media_options "$interface" "$options"
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[ $? -eq $SUCCESS ] && dhcp= ;;
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esac
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done
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#
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# Save only if the user changed at least one feature of the interface
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#
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if [ "$ipaddr" != "$ipaddr_orig" -o \
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"$netmask" != "$netmask_orig" -o \
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"$options" != "$options_orig" -o \
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"$dhcp" != "$dhcp_orig" ]
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then
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f_show_info "$msg_saving_network_interface" "$interface"
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local value=
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if [ "$dhcp" ]; then
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f_sysrc_delete defaultrouter
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value=DHCP
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else
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value="inet $ipaddr netmask $netmask"
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value="$value${options:+ }$options"
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fi
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f_sysrc_set ifconfig_$interface "$value"
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fi
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#
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# Re/Apply the settings if desired
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#
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if [ ! "$dhcp" ]; then
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if f_yesno "$msg_bring_interface_up" "$interface"
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then
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f_show_info "$msg_bring_interface_up" "$interface"
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local dr="$( f_sysrc_get defaultrouter )" err
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if [ "$dr" = "NO" -o ! "$dr" ]; then
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dr=$( f_route_get_default )
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[ "$dr" ] && f_sysrc_set defaultrouter "$dr"
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fi
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#
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# Make a backup of resolv.conf(5) before using
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# ifconfig(8) and then restore it afterward. This
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# allows preservation of nameservers acquired via
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# DHCP on FreeBSD-8.x (normally lost as ifconfig(8)
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# usage causes dhclient(8) to exit which scrubs
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# resolv.conf(5) by-default upon termination).
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#
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f_quietly cp -fp "$RESOLV_CONF" "$RESOLV_CONF.$$"
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err=$( ifconfig $interface inet $ipaddr \
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netmask $netmask $options 2>&1 )
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if [ $? -eq $SUCCESS ]; then
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if [ "$dr" -a "$dr" != "NO" ]; then
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err=$( route add default "$dr" 2>&1 )
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[ $? -eq $SUCCESS ] || \
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dialog_msgbox "$err"
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fi
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else
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dialog_msgbox "$err"
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fi
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if cmp -s "$RESOLV_CONF" "$RESOLV_CONF.$$"; then
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f_quietly rm -f "$RESOLV_CONF.$$"
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else
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f_quietly mv -f "$RESOLV_CONF.$$" "$RESOLV_CONF"
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fi
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fi
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fi
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return $SUCCESS
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}
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############################################################ MAIN
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f_dprintf "%s: Successfully loaded." networking/device.subr
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fi # ! $_NETWORKING_DEVICE_SUBR
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