1if [ ! "$_NETWORKING_ROUTING_SUBR" ]; then _NETWORKING_ROUTING_SUBR=1 2# 3# Copyright (c) 2006-2013 Devin Teske 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25# SUCH DAMAGE. 26# 27# $FreeBSD$ 28# 29############################################################ INCLUDES 30 31BSDCFG_SHARE="/usr/share/bsdconfig" 32. $BSDCFG_SHARE/common.subr || exit 1 33f_dprintf "%s: loading includes..." networking/routing.subr 34f_include $BSDCFG_SHARE/dialog.subr 35f_include $BSDCFG_SHARE/media/tcpip.subr 36f_include $BSDCFG_SHARE/networking/common.subr 37f_include $BSDCFG_SHARE/networking/ipaddr.subr 38f_include $BSDCFG_SHARE/strings.subr 39f_include $BSDCFG_SHARE/sysrc.subr 40 41BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="120.networking" 42f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr 43 44############################################################ FUNCTIONS 45 46# f_dialog_input_defaultrouter 47# 48# Edits the default router. 49# 50f_dialog_input_defaultrouter() 51{ 52 local funcname=f_dialog_input_defaultrouter 53 54 # 55 # Get the defaultrouter. When this is not configured, the default is 56 # "NO", however we don't ever want to present this default to the user 57 # in the following dialog. If the current value is "NO", then try to 58 # obtain the value from the running system using route(8). 59 # 60 # NOTE: Our `f_route_get_default' function will return NULL if the 61 # system does not have an active default router set (which is what we 62 # want). 63 # 64 local defaultrouter="$( f_sysrc_get 'defaultrouter:-NO' )" 65 local defaultrouter_orig="$defaultrouter" # for change-tracking 66 case "$defaultrouter" in 67 [Nn][Oo]) f_route_get_default defaultrouter ;; 68 esac 69 70 # 71 # Return with-error when there are NFS-mounts currently active. If the 72 # default router/gateway is changed while NFS-exported directories are 73 # mounted, the system will hang. 74 # 75 if f_nfs_mounted && ! f_jailed; then 76 local setting 77 f_sprintf setting "$msg_current_default_router" \ 78 "$defaultrouter" 79 f_noyes "$msg_nfs_mounts_may_cause_hang" "$setting" || 80 return $DIALOG_CANCEL 81 fi 82 83 # 84 # Loop until the user provides taint-free input. 85 # 86 local retval 87 while :; do 88 f_dialog_input defaultrouter \ 89 "$msg_please_enter_default_router" \ 90 "$defaultrouter" "$hline_num_punc_tab_enter" 91 retval=$? 92 [ "$defaultrouter" ] || return $DIALOG_OK 93 [ $retval -eq $DIALOG_OK ] || return $retval 94 95 # Taint-check the user's input 96 f_dialog_validate_ipaddr "$defaultrouter" && break 97 done 98 99 # 100 # Save only if the user changed the default router/gateway. 101 # 102 if [ "$defaultrouter" != "$defaultrouter_orig" ]; then 103 f_dialog_info "$msg_saving_default_router" 104 105 # Save the default router/gateway 106 f_eval_catch $funcname f_sysrc_set \ 107 'f_sysrc_set defaultrouter "%s"' "$defaultrouter" 108 fi 109 110 # 111 # Only ask to apply setting if the current defaultrouter is different 112 # than the stored configuration (in rc.conf(5)). 113 # 114 local dr 115 f_route_get_default dr 116 if [ "$dr" != "$defaultrouter" ]; then 117 f_dialog_clear 118 f_yesno "$msg_activate_default_router" "$dr" "$defaultrouter" 119 if [ $? -eq $DIALOG_OK ]; then 120 # Apply the default router/gateway 121 f_eval_catch -d $funcname route 'route delete default' 122 f_eval_catch $funcname route \ 123 'route add default "%s"' "$defaultrouter" || 124 return $DIALOG_CANCEL 125 fi 126 fi 127} 128 129############################################################ MAIN 130 131f_dprintf "%s: Successfully loaded." networking/routing.subr 132 133fi # ! $_NETWORKING_ROUTING_SUBR 134