- Migrate to Rx3 base libray 1.1.2,
- Add bash completion script.
This commit is contained in:
296
bin/myip
296
bin/myip
@@ -1,144 +1,246 @@
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#!/bin/bash
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#-----------------------------------------------------------------------------------------------------------------------
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#-----------------------------------------------------------------------------------------------------------------------------------
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#
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# MyIP
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# Copyright (C) 2025 Arnaud G. GIBERT
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#
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# Copyright (C) 2025-2026 Arnaud G. GIBERT
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# mailto:arnaud@rx3.net
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or any later version.
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#
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# This is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program; If not, see
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# <https://www.gnu.org/licenses/>.
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#
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#-----------------------------------------------------------------------------------------------------------------------
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#-----------------------------------------------------------------------------------------------------------------------------------
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WEB_SERVER_NAME="www.rx3"
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WEB_SERVER_IP="10.0.0.65"
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RESOLVER_NAME="resolver1.opendns.com"
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RESOLVER_IP="208.67.222.222"
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declare -g RESOLV_STATUS="OK"
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#-----------------------------------------------------------------------------------------------------------------------------------
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# Includes
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#-----------------------------------------------------------------------------------------------------------------------------------
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: "${RX3_LIB_DIR:=/usr/lib/rx3}"
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. "${RX3_LIB_DIR}/network.bash"
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#-----------------------------------------------------------------------------------------------------------------------
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# ip_filter
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#-----------------------------------------------------------------------------------------------------------------------
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#-----------------------------------------------------------------------------------------------------------------------------------
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# Global Variables
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#-----------------------------------------------------------------------------------------------------------------------------------
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ip_filter()
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declare -g VERSION="1.2.1"
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declare -g NAME="MyIP"
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declare -g HELP="usage: [-h | --help] | [-V | --version] | [-i | --internal] | [-a | --all] [-T | --test] [-v | --verbose] "
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declare -g MODE="EXTERNAL"
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declare -g VERBOSE="FALSE"
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declare -g DRY_RUN="FALSE"
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declare -g RETVAL=0
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declare -g WEB_SERVER_NAME="www.rx3"
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declare -g WEB_SERVER_IP="10.0.0.65"
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declare -g WEB_SERVER_URL="http://www.rx3/cgi-bin/myip.cgi"
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declare -g RESOLVER_NAME="resolver1.opendns.com"
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declare -g RESOLVER_IP="208.67.222.222"
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#-----------------------------------------------------------------------------------------------------------------------------------
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# Version Print
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#-----------------------------------------------------------------------------------------------------------------------------------
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myip_version_print()
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{
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grep -E '^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$'
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version_print
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}
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#-----------------------------------------------------------------------------------------------------------------------
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# resolv
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#-----------------------------------------------------------------------------------------------------------------------
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#-----------------------------------------------------------------------------------------------------------------------------------
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# Help Print
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#-----------------------------------------------------------------------------------------------------------------------------------
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resolv()
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myip_help_print()
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{
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local host_name="$1"
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local host_ip="$2"
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myip_version_print
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help_print
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echo " default: external IP"
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echo " -i: internal IP"
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echo " -a: internal + external IP"
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}
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#-----------------------------------------------------------------------------------------------------------------------------------
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# Arg Parse
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#-----------------------------------------------------------------------------------------------------------------------------------
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myip_args_parse()
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{
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tmp_args=$(getopt -o ahiTvV --long all,help,internal,test,verbose,version -n "${NAME}" -- "$@")
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if [ $? != 0 ]; then echo_error "Terminating..."; exit 1; fi
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eval set -- "${tmp_args}"
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while true
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do
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case "$1" in
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# Mode switches
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-a|--all) MODE="ALL"; shift;;
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-h|--help) MODE="EXIT"; myip_help_print; shift;;
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-i|--internal) MODE="INTERNAL"; shift;;
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-V|--version) MODE="EXIT"; myip_version_print; shift;;
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# Global options
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-T|--test) DRY_RUN="TRUE"; shift;;
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-v|--verbose) VERBOSE="TRUE"; shift;;
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# End of options
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--) shift; break;;
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*) echo "args_parse internal error [$1]!"; exit 1;;
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esac
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done
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}
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#-----------------------------------------------------------------------------------------------------------------------------------
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# Internal IP Get
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#-----------------------------------------------------------------------------------------------------------------------------------
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myip_internal_get()
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{
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local int_ip
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local int_label
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local web_server_ip
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resolv_ip="$( dig +short "${host_name}" | ip_filter)"
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if [[ "${resolv_ip}" == "" ]]
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if [[ "${VERBOSE}" == "TRUE" ]]
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then
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RESOLV_STATUS="KO"
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resolv_ip="${host_ip=}"
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int_label="Internal IP: "
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else
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RESOLV_STATUS="OK"
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int_label=""
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fi
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}
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dns_lookup "A" "${WEB_SERVER_NAME}" "NOCACHE"
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web_server_ip="${dns_value}"
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#-----------------------------------------------------------------------------------------------------------------------
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# main
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#-----------------------------------------------------------------------------------------------------------------------
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if [[ "$1" == "-h" ]]
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then
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echo "myip [-i] | [-a] | [-h]"
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echo "default: external IP"
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echo " -i: internal IP"
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echo " -a: internal + external IP"
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else
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if [[ "$1" == "-a" ]]
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if [[ "${web_server_ip}" == "" ]]
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then
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int_flag="TRUE"
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ext_flag="TRUE"
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verbose_flag="TRUE"
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else
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verbose_flag="FALSE"
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if [[ "$1" == "-i" ]]
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if [[ "${VERBOSE}" == "TRUE" ]]
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then
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int_flag="TRUE"
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ext_flag="FALSE"
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else
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int_flag="FALSE"
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ext_flag="TRUE"
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echo_error "Warning: resolver failed for [${WEB_SERVER_NAME}], using default address: [${WEB_SERVER_IP}]"
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fi
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web_server_ip="${WEB_SERVER_IP}"
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fi
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fi
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int_ip="$(cmd_exec curl --resolve "${WEB_SERVER_NAME}:80:${web_server_ip}" -s "${WEB_SERVER_URL}" | ip_ip_filter)"
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if [[ ${verbose_flag} == "TRUE" ]]
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then
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int_label="Internal IP: "
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ext_label="External IP: "
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else
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int_label=""
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ext_label=""
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fi
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if [[ ${int_flag} == "TRUE" ]]
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then
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resolv "${WEB_SERVER_NAME}" "${WEB_SERVER_IP}"
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web_server_ip="${resolv_ip}"
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int_ip="$( curl --resolve ${WEB_SERVER_NAME}:80:${web_server_ip} -s http://www.rx3/cgi-bin/myip.cgi | ip_filter)"
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if [[ ( "${int_label}" != "") && ( "${RESOLV_STATUS}" != "OK") ]]
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then
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echo "Warning: resolver failed for [${WEB_SERVER_NAME}], using default address: [${WEB_SERVER_IP}]"
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fi
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echo "${int_label}${int_ip}"
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fi
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}
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#-----------------------------------------------------------------------------------------------------------------------------------
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# External IP Get
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#-----------------------------------------------------------------------------------------------------------------------------------
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myip_external_get()
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{
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local ext_ip
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local ext_label
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local resolver_ip
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if [[ ${ext_flag} == "TRUE" ]]
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then
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resolv "${RESOLVER_NAME}" "${RESOLVER_IP}"
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resolver_ip="${resolv_ip}"
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ext_ip="$( dig +short myip.opendns.com @${resolver_ip} | ip_filter)"
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if [[ ( "${ext_label}" != "") && ( "${RESOLV_STATUS}" != "OK") ]]
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if [[ "${VERBOSE}" == "TRUE" ]]
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then
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echo "Warning: resolver failed for [${RESOLVER_NAME}], using default address: [${RESOLVER_IP}]"
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ext_label="External IP: "
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else
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ext_label=""
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fi
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dns_lookup "A" "${RESOLVER_NAME}" "NOCACHE"
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resolver_ip="${dns_value}"
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if [[ "${resolver_ip}" == "" ]]
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then
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if [[ "${VERBOSE}" == "TRUE" ]]
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then
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echo_error "Warning: resolver failed for [${RESOLVER_NAME}], using default address: [${RESOLVER_IP}]"
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fi
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resolver_ip="${RESOLVER_IP}"
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fi
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ext_ip="$(cmd_exec dig +short myip.opendns.com "@${resolver_ip}" | ip_ip_filter)"
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echo "${ext_label}${ext_ip}"
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}
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#-----------------------------------------------------------------------------------------------------------------------------------
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# Main
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#-----------------------------------------------------------------------------------------------------------------------------------
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myip_args_parse "$@"
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if [[ "${MODE}" == "EXIT" ]]
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then
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exit 0
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fi
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dns_init
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case "${MODE}" in
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"INTERNAL")
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myip_internal_get
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;;
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"EXTERNAL")
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myip_external_get
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;;
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"ALL")
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myip_internal_get
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myip_external_get
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;;
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*)
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myip_help_print
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RETVAL=1
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;;
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esac
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dns_deinit
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exit ${RETVAL}
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