added Malcolm
This commit is contained in:
130
Vagrant/resources/malcolm/shared/bin/common-init.sh
Executable file
130
Vagrant/resources/malcolm/shared/bin/common-init.sh
Executable file
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#!/bin/bash
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# Copyright (c) 2021 Battelle Energy Alliance, LLC. All rights reserved.
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declare -A IFACES
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# read all non-virtual interfaces and their speeds into an associative array
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function PopulateInterfaces()
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{
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IFACE_RESULT=""
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SPEED_MAX=0
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while IFS='' read -r -d ' ' IFACE_NAME && IFS='' read -r -d '' IFACE_LINK; do
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if [[ "${IFACE_LINK}" != *"virtual"* ]]; then
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IFACE_SPEED="$(cat /sys/class/net/$IFACE_NAME/speed 2>/dev/null)"
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if [[ -n $IFACE_SPEED ]]; then
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IFACES[$IFACE_NAME]+=$IFACE_SPEED
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else
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IFACES[$IFACE_NAME]+=0
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fi
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fi
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done < <(find /sys/class/net/ -mindepth 1 -maxdepth 1 -type l -printf '%P %l\0' 2>/dev/null)
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}
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# the capture interface is the one with the highest "speed"
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function DetermineCaptureInterface()
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{
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for IFACE_NAME in "${!IFACES[@]}"; do
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echo "$IFACE_NAME" "${IFACES["$IFACE_NAME"]}"
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done | sort -rn -k2 | head -n 1 | cut -d' ' -f1
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}
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# remove default accounts/groups we don't want, create/set directories for non-user users for stig to not complain
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function CleanDefaultAccounts() {
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for systemuser in games gnats irc list lp news www-data
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do
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deluser $systemuser 2>/dev/null || true
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done
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[ ! -d /var/lib/nobody ] && ((mkdir -p /var/lib/nobody && chown nobody:nogroup /var/lib/nobody && chmod 700 /var/lib/nobody && usermod -m -d /var/lib/nobody nobody) || true)
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[ ! -d /var/lib/_apt ] && ((mkdir -p /var/lib/_apt && chown _apt:nogroup /var/lib/_apt && chmod 700 /var/lib/_apt && usermod -m -d /var/lib/_apt _apt) || true)
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[ ! -d /run/systemd/resolve ] && ((mkdir -p /run/systemd/resolve && chown systemd-resolve:systemd-resolve /run/systemd/resolve && chmod 700 /run/systemd/resolve) || true)
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[ ! -d /var/lib/usbmux ] && ((mkdir -p /var/lib/usbmux && chown usbmux:plugdev /var/lib/usbmux && chmod 700 /var/lib/usbmux) || true)
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[ ! -d /var/lib/ntp ] && ((mkdir -p /var/lib/ntp && chown ntp:ntp /var/lib/ntp && chmod 700 /var/lib/ntp) || true)
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((mkdir -p /var/lib/systemd-coredump && chown systemd-coredump:nogroup /var/lib/systemd-coredump && chmod 700 /var/lib/systemd-coredump && usermod -m -d /var/lib/systemd-coredump systemd-coredump) || true)
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chmod 600 "/etc/crontab" "/etc/group-" "/etc/gshadow-" "/etc/passwd-" "/etc/shadow-" >/dev/null 2>&1 || true
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chmod 700 "/etc/cron.hourly" "/etc/cron.daily" "/etc/cron.weekly" "/etc/cron.monthly" "/etc/cron.d" >/dev/null 2>&1 || true
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}
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# if the network configuration files for the interfaces haven't been set to come up on boot, configure that
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function InitializeSensorNetworking() {
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unset NEED_NETWORKING_RESTART
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if [[ ! -f /etc/network/interfaces.d/sensor ]]; then
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# /etc/network/interfaces.d/sensor can be further configured by the system admin via configure-interfaces.py.
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echo "" >> /etc/network/interfaces
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echo "# sensor interfaces should be configured in \"/etc/network/interfaces.d/sensor\"" >> /etc/network/interfaces
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for IFACE_NAME in "${!IFACES[@]}"; do
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echo "auto $IFACE_NAME" >> /etc/network/interfaces.d/sensor
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echo "allow-hotplug $IFACE_NAME" >> /etc/network/interfaces.d/sensor
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echo "iface $IFACE_NAME inet manual" >> /etc/network/interfaces.d/sensor
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echo " pre-up ip link set dev \$IFACE up" >> /etc/network/interfaces.d/sensor
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echo " post-down ip link set dev \$IFACE down" >> /etc/network/interfaces.d/sensor
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echo "" >> /etc/network/interfaces.d/sensor
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done
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NEED_NETWORKING_RESTART=0
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fi
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if ! grep --quiet ^TimeoutStartSec=1min /etc/systemd/system/network-online.target.wants/networking.service; then
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# only wait 1 minute during boot for network interfaces to come up
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sed -i 's/^\(TimeoutStartSec\)=.*/\1=1min/' /etc/systemd/system/network-online.target.wants/networking.service
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NEED_NETWORKING_RESTART=0
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fi
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[[ -n $NEED_NETWORKING_RESTART ]] && systemctl restart networking
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}
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function InitializeAggregatorNetworking() {
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unset NEED_NETWORKING_RESTART
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# we're going to let wicd manage networking on the aggregator, so remove physical interfaces from /etc/network/interfaces
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NET_IFACES_LINES=$(wc -l /etc/network/interfaces | awk '{print $1}')
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if [ $NET_IFACES_LINES -gt 4 ] ; then
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echo -e "source /etc/network/interfaces.d/*\n\nauto lo\niface lo inet loopback" > /etc/network/interfaces
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NEED_NETWORKING_RESTART=0
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fi
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if ! grep --quiet ^TimeoutStartSec=1min /etc/systemd/system/network-online.target.wants/networking.service; then
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# only wait 1 minute during boot for network interfaces to come up
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sed -i 's/^\(TimeoutStartSec\)=.*/\1=1min/' /etc/systemd/system/network-online.target.wants/networking.service
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NEED_NETWORKING_RESTART=0
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fi
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[[ -n $NEED_NETWORKING_RESTART ]] && systemctl restart networking
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}
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# fix some permisions to make sure things belong to the right person
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function FixPermissions() {
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if [ -n "$1" ]; then
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USER_TO_FIX="$1"
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[ -d /home/"$USER_TO_FIX" ] && find /home/"$USER_TO_FIX" \( -type d -o -type f \) -exec chmod o-rwx "{}" \;
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[ -d /home/"$USER_TO_FIX" ] && find /home/"$USER_TO_FIX" -type f -name ".*" -exec chmod g-wx "{}" \;
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if [ ! -f /etc/cron.allow ] || ! grep -q "$USER_TO_FIX" /etc/cron.allow; then
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echo "$USER_TO_FIX" >> /etc/cron.allow
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fi
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if [ ! -f /etc/at.allow ] || ! grep -q "$USER_TO_FIX" /etc/at.allow; then
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echo "$USER_TO_FIX" >> /etc/at.allow
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fi
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chmod 644 /etc/cron.allow /etc/at.allow
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fi
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}
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# block some call-homes
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function BadTelemetry() {
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if ! grep -q google /etc/hosts; then
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echo >> /etc/hosts
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echo '127.0.0.1 _googlecast._tcp.local' >> /etc/hosts
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echo '127.0.0.1 accounts.google.com' >> /etc/hosts
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echo '127.0.0.1 clients.l.google.com' >> /etc/hosts
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echo '127.0.0.1 fonts.googleapis.com' >> /etc/hosts
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echo '127.0.0.1 safebrowsing-cache.google.com' >> /etc/hosts
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echo '127.0.0.1 safebrowsing.clients.google.com' >> /etc/hosts
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echo '127.0.0.1 update.googleapis.com' >> /etc/hosts
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echo '127.0.0.1 www.google-analytics.com' >> /etc/hosts
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echo '127.0.0.1 www.gstatic.com' >> /etc/hosts
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echo '127.0.0.1 connectivitycheck.gstatic.com' >> /etc/hosts
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echo '127.0.0.1 incoming.telemetry.mozilla.org' >> /etc/hosts
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echo '127.0.0.1 detectportal.firefox.com' >> /etc/hosts
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echo '127.0.0.1 prod.detectportal.prod.cloudops.mozgcp.net' >> /etc/hosts
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echo '127.0.0.1 detectportal.prod.mozaws.net' >> /etc/hosts
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fi
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}
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