1ab2043b8SDevin Teskeif [ ! "$_NETWORKING_NETMASK_SUBR" ]; then _NETWORKING_NETMASK_SUBR=1 2ab2043b8SDevin Teske# 37323adacSDevin Teske# Copyright (c) 2006-2013 Devin Teske 4f8ea072aSDevin Teske# All rights reserved. 5ab2043b8SDevin Teske# 6ab2043b8SDevin Teske# Redistribution and use in source and binary forms, with or without 7ab2043b8SDevin Teske# modification, are permitted provided that the following conditions 8ab2043b8SDevin Teske# are met: 9ab2043b8SDevin Teske# 1. Redistributions of source code must retain the above copyright 10ab2043b8SDevin Teske# notice, this list of conditions and the following disclaimer. 11ab2043b8SDevin Teske# 2. Redistributions in binary form must reproduce the above copyright 12ab2043b8SDevin Teske# notice, this list of conditions and the following disclaimer in the 13ab2043b8SDevin Teske# documentation and/or other materials provided with the distribution. 14ab2043b8SDevin Teske# 15ab2043b8SDevin Teske# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16ab2043b8SDevin Teske# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, THE 17ab2043b8SDevin Teske# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18ab2043b8SDevin Teske# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19ab2043b8SDevin Teske# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20ab2043b8SDevin Teske# DAMAGES (INLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21ab2043b8SDevin Teske# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22ab2043b8SDevin Teske# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23ab2043b8SDevin Teske# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24ab2043b8SDevin Teske# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25ab2043b8SDevin Teske# SUCH DAMAGE. 26ab2043b8SDevin Teske# 27ab2043b8SDevin Teske# $FreeBSD$ 28ab2043b8SDevin Teske# 29ab2043b8SDevin Teske############################################################ INCLUDES 30ab2043b8SDevin Teske 31ab2043b8SDevin TeskeBSDCFG_SHARE="/usr/share/bsdconfig" 32ab2043b8SDevin Teske. $BSDCFG_SHARE/common.subr || exit 1 3356961fd7SDevin Teskef_dprintf "%s: loading includes..." networking/netmask.subr 34ab2043b8SDevin Teskef_include $BSDCFG_SHARE/dialog.subr 35ab2043b8SDevin Teskef_include $BSDCFG_SHARE/networking/common.subr 361de60ff0SDevin Teskef_include $BSDCFG_SHARE/strings.subr 37ab2043b8SDevin Teske 38ab2043b8SDevin TeskeBSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="120.networking" 39ab2043b8SDevin Teskef_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr 40ab2043b8SDevin Teske 41ab2043b8SDevin Teske############################################################ FUNCTIONS 42ab2043b8SDevin Teske 4335a157a0SDevin Teske# f_dialog_maskerror $error $netmask 44ab2043b8SDevin Teske# 4535a157a0SDevin Teske# Display a msgbox with the appropriate error message for an error returned by 4635a157a0SDevin Teske# the f_validate_netmask function. 47ab2043b8SDevin Teske# 4835a157a0SDevin Teskef_dialog_maskerror() 4935a157a0SDevin Teske{ 5035a157a0SDevin Teske local error="$1" netmask="$2" 5135a157a0SDevin Teske 5235a157a0SDevin Teske [ ${error:-0} -ne 0 ] || return $SUCCESS 5335a157a0SDevin Teske 5435a157a0SDevin Teske case "$error" in 55fa2e39c8SDevin Teske 1) f_show_msg "$msg_ipv4_mask_field_contains_invalid_chars" "$mask" ;; 56fa2e39c8SDevin Teske 2) f_show_msg "$msg_ipv4_mask_field_is_null" "$mask" ;; 57fa2e39c8SDevin Teske 3) f_show_msg "$msg_ipv4_mask_field_exceeds_max_value" "$mask" ;; 58fa2e39c8SDevin Teske 4) f_show_msg "$msg_ipv4_mask_field_missing_or_extra" "$mask" ;; 59fa2e39c8SDevin Teske 5) f_show_msg "$msg_ipv4_mask_field_invalid_value" "$mask" ;; 60ab2043b8SDevin Teske esac 6135a157a0SDevin Teske} 6235a157a0SDevin Teske 6335a157a0SDevin Teske# f_dialog_validate_netmask $netmask 6435a157a0SDevin Teske# 6535a157a0SDevin Teske# Returns zero if the given argument (a subnet mask) is of the proper format. 6635a157a0SDevin Teske# 6735a157a0SDevin Teske# If the subnet mask is determined to be invalid, the appropriate error will be 6835a157a0SDevin Teske# displayed using the f_dialog_maskerror function above. 6935a157a0SDevin Teske# 7035a157a0SDevin Teskef_dialog_validate_netmask() 7135a157a0SDevin Teske{ 7235a157a0SDevin Teske local netmask="$1" 7335a157a0SDevin Teske 7435a157a0SDevin Teske f_validate_netmask "$netmask" 7535a157a0SDevin Teske local retval=$? 7635a157a0SDevin Teske 7735a157a0SDevin Teske # Produce an appropriate error message if necessary. 7835a157a0SDevin Teske [ $retval -eq $SUCCESS ] || f_dialog_maskerror $retval "$netmask" 79ab2043b8SDevin Teske 80ab2043b8SDevin Teske return $retval 81ab2043b8SDevin Teske} 82ab2043b8SDevin Teske 83ab2043b8SDevin Teske# f_dialog_input_netmask $interface $netmask 84ab2043b8SDevin Teske# 85ab2043b8SDevin Teske# Edits the IP netmask of the given interface. 86ab2043b8SDevin Teske# 87ab2043b8SDevin Teskef_dialog_input_netmask() 88ab2043b8SDevin Teske{ 89ab2043b8SDevin Teske local interface="$1" _netmask="$2" _input 90ab2043b8SDevin Teske 91ab2043b8SDevin Teske # 92ab2043b8SDevin Teske # Return with-error when there are NFS-mounts currently active. If the 93ab2043b8SDevin Teske # subnet mask is changed while NFS-exported directories are mounted, 94ab2043b8SDevin Teske # the system may hang (if any NFS mounts are using that interface). 95ab2043b8SDevin Teske # 96ab2043b8SDevin Teske if f_nfs_mounted && ! f_jailed; then 97ab2043b8SDevin Teske local setting="$( printf "$msg_current_subnet" \ 98ab2043b8SDevin Teske "$interface" "$_netmask" )" 9939c22926SDevin Teske f_noyes "$msg_nfs_mounts_may_cause_hang" "$setting" || 100ab2043b8SDevin Teske return $FAILURE 101ab2043b8SDevin Teske fi 102ab2043b8SDevin Teske 103ab2043b8SDevin Teske # 104ab2043b8SDevin Teske # Loop until the user provides taint-free input. 105ab2043b8SDevin Teske # 106298cf604SDevin Teske local msg="$( printf "$msg_please_enter_subnet_mask" "$interface" )" 107ab2043b8SDevin Teske while :; do 108ab2043b8SDevin Teske # 109ab2043b8SDevin Teske # Return error status if: 110ab2043b8SDevin Teske # - User has either pressed ESC or chosen Cancel/No 111298cf604SDevin Teske # - User has not made any changes to the given value 112ab2043b8SDevin Teske # 113ec7120b5SDevin Teske f_dialog_input _input "$msg" "$_netmask" \ 114ec7120b5SDevin Teske "$hline_num_punc_tab_enter" || return 115ab2043b8SDevin Teske [ "$_netmask" = "$_input" ] && return $FAILURE 116ab2043b8SDevin Teske 117ab2043b8SDevin Teske # Return success if NULL value was entered 118ab2043b8SDevin Teske [ "$_input" ] || return $SUCCESS 119ab2043b8SDevin Teske 120ab2043b8SDevin Teske # Take only the first "word" of the user's input 121ab2043b8SDevin Teske _netmask="$_input" 122ab2043b8SDevin Teske _netmask="${_netmask%%[$IFS]*}" 123ab2043b8SDevin Teske 124ab2043b8SDevin Teske # Taint-check the user's input 125ab2043b8SDevin Teske f_dialog_validate_netmask "$_netmask" && break 126ab2043b8SDevin Teske done 127ab2043b8SDevin Teske 128ab2043b8SDevin Teske netmask="$_netmask" 129ab2043b8SDevin Teske} 130ab2043b8SDevin Teske 13156961fd7SDevin Teske############################################################ MAIN 13256961fd7SDevin Teske 13356961fd7SDevin Teskef_dprintf "%s: Successfully loaded." networking/netmask.subr 13456961fd7SDevin Teske 135ab2043b8SDevin Teskefi # ! $_NETWORKING_NETMASK_SUBR 136