zapret/common/virt.sh
2022-04-13 12:46:21 +03:00

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get_virt()
{
local vm s v UNAME
UNAME=$(uname)
case "$UNAME" in
Linux)
if exists systemd-detect-virt; then
vm=$(systemd-detect-virt --vm)
elif [ -f /sys/class/dmi/id/product_name ]; then
read s </sys/class/dmi/id/product_name
for v in KVM QEMU VMware VMW VirtualBox Xen Bochs Parallels BHYVE Hyper-V; do
case "$s" in
"$v"*)
vm=$v
break
;;
esac
done
fi
;;
esac
echo "$vm" | awk '{print tolower($0)}'
}
check_virt()
{
echo \* checking virtualization
local vm=$(get_virt)
if [ -n "$vm" ]; then
if [ "$vm" = "none" ]; then
echo running on bare metal
else
echo "!!! WARNING. $vm virtualization detected !!!"
echo '!!! WARNING. vmware and virtualbox are known to break most of the DPI bypass techniques when network is NATed using internal hypervisor NAT !!!'
echo '!!! WARNING. if this is your case make sure you are bridged not NATed !!!'
fi
else
echo cannot detect
fi
}