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63 lines
1.9 KiB
63 lines
1.9 KiB
#!/bin/bash
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# LinuxGSM check_ip.sh module
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# Author: Daniel Gibbs
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# Contributors: https://linuxgsm.com/contrib
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# Website: https://linuxgsm.com
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# Description: Automatically identifies the server interface IP.
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# If multiple interfaces are detected the user will need to manually set using ip="0.0.0.0".
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moduleselfname="$(basename "$(readlink -f "${BASH_SOURCE[0]}")")"
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info_game.sh
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ip_commands_array=("ip" "/bin/ip" "/usr/sbin/ip")
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for ip_command in "${ip_commands_array[@]}"; do
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if [ "$(command -v "${ip_command}" 2> /dev/null)" ]; then
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ipcommand="${ip_command}"
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break
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fi
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done
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ethtool_commands_array=("ethtool" "/bin/ethtool" "/usr/sbin/ethtool")
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for ethtool_command in "${ethtool_commands_array[@]}"; do
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if [ "$(command -v "${ethtool_command}" 2> /dev/null)" ]; then
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ethtoolcommand="${ethtool_command}"
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break
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fi
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done
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mapfile -t current_ips < <(${ipcommand} -o -4 addr | awk '{print $4}' | grep -oe '\([0-9]\{1,3\}\.\?\)\{4\}' | sort -u | grep -v 127.0.0)
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function fn_is_valid_ip() {
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local ip="${1}"
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# excluding 0.* ips also
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grep -qEe '^[1-9]+[0-9]*\.[0-9]+\.[0-9]+\.[0-9]+$' <<< "${ip}"
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}
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# Check if server has multiple IP addresses.
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# If the IP variable has been set by user.
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if fn_is_valid_ip "${ip}"; then
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queryips=("${ip}" "${publicip}")
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httpip=("${ip}")
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telnetip=("${ip}")
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# If the game config has an IP set.
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elif fn_is_valid_ip "${configip}"; then
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queryips=("${configip}" "${publicip}")
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ip="${configip}"
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httpip=("${configip}")
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telnetip=("${configip}")
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# If there is only 1 server IP address.
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# Some IP details can automatically use the one IP.
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elif [ "${#current_ips[@]}" == "1" ]; then
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queryips=("127.0.0.1" "${current_ips[@]}" "${publicip}")
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ip="0.0.0.0"
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httpip=("${current_ips[@]}")
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telnetip=("${current_ips[@]}")
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# If no ip is set by the user and server has more than one IP.
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else
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queryips=("127.0.0.1" "${current_ips[@]}" "${publicip}")
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ip="0.0.0.0"
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httpip=("${ip}")
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telnetip=("${ip}")
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fi
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