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|
if [ ! "$_NETWORKING_ROUTING_SUBR" ]; then _NETWORKING_ROUTING_SUBR=1
#
# Copyright (c) 2006-2013 Devin Teske
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
############################################################ INCLUDES
BSDCFG_SHARE="/usr/share/bsdconfig"
. $BSDCFG_SHARE/common.subr || exit 1
f_dprintf "%s: loading includes..." networking/routing.subr
f_include $BSDCFG_SHARE/dialog.subr
f_include $BSDCFG_SHARE/media/tcpip.subr
f_include $BSDCFG_SHARE/networking/common.subr
f_include $BSDCFG_SHARE/networking/ipaddr.subr
f_include $BSDCFG_SHARE/sysrc.subr
BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="120.networking"
f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr
############################################################ FUNCTIONS
# f_dialog_input_defaultrouter
#
# Edits the default router.
#
f_dialog_input_defaultrouter()
{
#
# Get the defaultrouter. When this is not configured, the default is
# "NO", however we don't ever want to present this default to the user
# in the following dialog. If the current value is "NO", then try to
# obtain the value from the running system using route(8).
#
# NOTE: Our `f_route_get_default' function will return NULL if the
# system does not have an active default router set (which is what we
# want).
#
local defaultrouter="$( f_sysrc_get 'defaultrouter:-NO' )"
local defaultrouter_orig="$defaultrouter" # for change-tracking
case "$defaultrouter" in
[Nn][Oo])
defaultrouter=$( f_route_get_default )
;;
esac
#
# Return with-error when there are NFS-mounts currently active. If the
# default router/gateway is changed while NFS-exported directories are
# mounted, the system will hang.
#
if f_nfs_mounted && ! f_jailed; then
local setting="$( printf "$msg_current_default_router" \
"$defaultrouter" )"
f_noyes "$msg_nfs_mounts_may_cause_hang" "$setting" ||
return $DIALOG_CANCEL
fi
#
# Loop until the user provides taint-free input.
#
local retval
while :; do
f_dialog_input defaultrouter \
"$msg_please_enter_default_router" \
"$defaultrouter" "$hline_num_punc_tab_enter"
retval=$?
[ "$defaultrouter" ] || return $DIALOG_OK
[ $retval -eq $DIALOG_OK ] || return $retval
# Taint-check the user's input
f_dialog_validate_ipaddr "$defaultrouter" && break
done
#
# Save only if the user changed the default router/gateway.
#
if [ "$defaultrouter" != "$defaultrouter_orig" ]; then
f_dialog_info "$msg_saving_default_router"
# Save the default router/gateway
f_sysrc_set defaultrouter "$defaultrouter"
fi
#
# Only ask to apply setting if the current defaultrouter is different
# than the stored configuration (in rc.conf(5)).
#
if [ "$( f_route_get_default )" != "$defaultrouter" ]; then
f_dialog_clear
f_yesno "$msg_activate_default_router" \
"$( f_route_get_default )" "$defaultrouter"
if [ $? -eq $DIALOG_OK ]; then
local err
# Apply the default router/gateway
f_quietly route delete default
err=$( route add default "$defaultrouter" 2>&1 )
if [ $? -ne $SUCCESS ]; then
f_dialog_msgbox "$err"
return $DIALOG_CANCEL
fi
fi
fi
}
############################################################ MAIN
f_dprintf "%s: Successfully loaded." networking/routing.subr
fi # ! $_NETWORKING_ROUTING_SUBR
|
