REDROOM

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/lib/recovery-mode/options/network

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#!/bin/sh

if [ "$1" = "test" ]; then
  . /lib/recovery-mode/l10n.sh
  echo $(eval_gettext "Enable networking")
  exit 0
fi

# Check for existing connectivity
check_connectivity() {
    ip route get 1.2.3.4 >/dev/null 2>&1
    retval_route=$?

grep ^nameserver -q /etc/resolv.conf
    retval_resolve=$?

if [ "$retval_route" = "0" ] && [ "$retval_resolve" ]; then
        exit 0
    fi
}

# Try handling networking using systemd
if [ -d /run/systemd/system ]; then
    echo "Enabling networking..."
    for i in dbus.socket systemd-udevd.service systemd-sysctl.service resolvconf-pull-resolved.path systemd-resolved.service networking.service systemd-networkd.service NetworkManager.service; do
	systemctl is-enabled -q $i && systemctl start --no-ask-password --job-mode=ignore-dependencies $i
    done
    echo "Waiting for networking to be configured..."
    systemctl is-enabled -q NetworkManager.service && systemctl start --no-ask-password NetworkManager-wait-online.service
    systemctl is-enabled -q systemd-networkd.service && systemctl start --no-ask-password systemd-networkd-wait-online.service
    echo "Done."
    exit 0
fi

# Start by trying to bring everything up
ifup -a
check_connectivity

# Then try Network Manager
if type NetworkManager >/dev/null 2>&1; then
    echo "Trying to start NetworkManager..."
    mkdir -p /run/dbus
    chown messagebus:messagebus /run/dbus
    dbus-daemon --system --nopidfile
    NetworkManager
    trap "killall dbus-daemon NetworkManager" EXIT HUP INT QUIT PIPE
    timeout=15
    while [ $timeout -ge 0 ]; do
        check_connectivity
        sleep 1
        timeout=$((timeout-1))
    done
fi

# Try running dhclient on everything else
cd /sys/class/net/
for interface in *; do
    dhclient -1 $interface
    check_connectivity
done

exit 0

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