core-agent-linux/network/network-manager-prepare-conf-dir

#!/bin/sh

# Source Qubes library.
# shellcheck source=init/functions
. /usr/lib/qubes/init/functions

NM_CONFIG_DIR=/etc/NetworkManager/system-connections
if [ -d $NM_CONFIG_DIR ] && [ ! -h $NM_CONFIG_DIR ]; then
    mkdir -p /rw/config/NM-system-connections
    mv $NM_CONFIG_DIR/* /rw/config/NM-system-connections/ 2> /dev/null || true
    rmdir $NM_CONFIG_DIR
    ln -s /rw/config/NM-system-connections $NM_CONFIG_DIR
fi

# Do not manage xen-provided network devices
unmanaged_devices=mac:fe:ff:ff:ff:ff:ff
#for mac in `xenstore-ls device/vif | grep mac | cut -d= -f2 | tr -d '" '`; do
#    unmanaged_devices="$unmanaged_devices;mac:$mac"
#done
sed -r -i -e "s/^#?unmanaged-devices=.*/unmanaged-devices=$unmanaged_devices/" /etc/NetworkManager/NetworkManager.conf
sed -r -i -e "s/^#?plugins=.*/plugins=keyfile/" /etc/NetworkManager/NetworkManager.conf

# setup uplink configuration if applicable - this needs to be done before
# starting NetworkManager, otherwise it will try default DHCP configuration
# first and only after a timeout fallback to static one - introducing delay in
# network connectivity
ACTION="add"
INTERFACE="$(get_qubes_managed_iface)"
export ACTION
export INTERFACE
if qubesdb-read /qubes-ip >/dev/null 2>/dev/null &&
        [ -e "/sys/class/net/$INTERFACE" ] &&
        [ ! -r "/etc/NetworkManager/system-connections/qubes-uplink-$INTERFACE" ]; then
    /usr/lib/qubes/setup-ip
fi

exit 0