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https://github.com/kernelkit/infix.git
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Joachim Wiberg
4942a53483
Allow profeth to set IP address, netmask and gateway on PROFINET set. Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
90 lines
2.7 KiB
Bash
Executable File
90 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env sh
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############################################
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# Script for manipulating network settings #
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############################################
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#
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# This is useful for example on Ubuntu.
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#
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# You need to adapt this script to fit your Linux distribution.
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# Keep the script name, and use the same command line arguments.
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#
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# Make sure that the script path is available from your Profinet application.
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# In case of problems, try the script manually from the directory where your
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# application is located.
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if [ $# -ne 6 ]; then
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echo "Usage: ${0} interfacename ip netmask gateway hostname permanent"
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echo " where:"
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echo " interfacename: Network interface name, for example eth0"
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echo " ip: IPv4 address, for example 192.168.0.50"
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echo " netmask: Netmask"
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echo " gateway: Default gateway"
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echo " hostname: Host name, for example my_laptop_3"
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echo " permanent: 1 if changes are permanent, 0 if temporary"
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exit 1
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fi
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INTERFACE=$1
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IP_ADDRESS=$2
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NETMASK=$3
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DEFAULT_GATEWAY=$4
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HOSTNAME=$5
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SET_VALUES_PERMANENTLY=$6
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# From a Profinet point of view there is no need to change the
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# host name of the Linux machine. The p-net stack will use the
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# name as station name internally.
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SKIP_SETTING_HOSTNAME=true
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echo "Network script for ${INTERFACE}: " \
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"Set IP ${IP_ADDRESS} " \
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"Netmask ${NETMASK} " \
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"Gateway ${DEFAULT_GATEWAY} " \
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"Permanent: ${SET_VALUES_PERMANENTLY} " \
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"Hostname: ${HOSTNAME} " \
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"Skip setting hostname: ${SKIP_SETTING_HOSTNAME}"
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# There is no need to set the changes permanently,
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# as the p-net stack will set the IP parameters on each start.
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# You are however free to use it if you like.
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if ! ip address flush label $INTERFACE; then
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echo "Failed to flush network interface"
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exit 1
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fi
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if ! ip address add $IP_ADDRESS/$NETMASK dev $INTERFACE; then
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echo "Failed to set IP address and netmask"
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exit 1
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fi
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if ! ip link set dev $INTERFACE up; then
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echo "Failed to set network interface up"
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exit 1
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fi
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if [ "${DEFAULT_GATEWAY}" != "0.0.0.0" ]; then
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if ! ip route add default via $DEFAULT_GATEWAY; then
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echo "Failed to set default gateway"
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exit 1
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fi
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else
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echo "No valid default gateway given. Skipping setting default gateway."
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fi
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if [ "$SKIP_SETTING_HOSTNAME" = false ]; then
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if ! hostname $HOSTNAME; then
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echo "Failed to set hostname to $HOSTNAME"
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hostname_len=${#HOSTNAME}
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if [ $hostname_len -gt 64 ]; then
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echo "The given hostname length is ${hostname_len} characters." \
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"Many Linux systems have a limit of 64 characters. The p-net stack uses" \
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"a longer stationname internally."
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fi
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exit 1
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fi
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fi
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exit 0
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