# Install grub2-bhyve for linux grub bootloader
# vm-bhyve is wrapper for bhyve
doas pkg install vm-bhyve grub2-bhyve

# Install any vnc client you like, for me I am using tigervnc
doas pkg install tigervnc

# Load kernel virtualization module
doas kldload if_bridge if_tap nmdm vmm

# Make loading of kernel modules persistent
doas echo 'if_bridge_load="YES"' >> /boot/loader.conf
doas echo 'if_tap_load="YES"' >> /boot/loader.conf
doas echo 'nmdm_load="YES"' >> /boot/loader.conf
doas echo 'vmm_load="YES"' >> /boot/loader.conf

# Set configuration for byhve-vm
doas sysrc vm_enable="YES"
doas sysrc vm_dir="zfs:zroot/vms"
doas sysrc vm_delay="5"

# Edit our pf rules
doas vi /etc/pf.conf

# Add the following, taken from https://aliov.org/index.php/2020/03/22/bhyve-nat-vm-setup/
# Note: IPs are taken from reference of https://github.com/churchers/vm-bhyve/wiki/NAT-Configuration
nat on wlan0 from {192.168.8.0/24} to any -> (wlan0)

# Enable ip forwarding
doas sysctl net.inet.ip.forwarding=1

# Set configuration for NAT (network for our guest)
gateway_enable="yes"
pf_enable="yes"

# Start PF if not started
doas service pf start

# Otherwise restart
doas service pf restart

# Create filesystem for VMs, all the vms will live inside, managed by vm-bhyve (settings above)
doas zfs create -o mountpoint=/vms zroot/vms
doas vm init
doas cp /usr/local/share/examples/vm-bhyve/* /vms/.templates/

# Create bridge device, as I am using wifi, I set it to wlan0
doas vm switch create -a 192.168.8.1/24 public
doas vm switch add public wlan0

# To see switch info
doas vm switch info

# To see all switches
doas vm switch list

# Grab Kali from the net (Note: source could be local filesystem) will be downloaded to /vms/.iso
doas vm iso https://cdimage.kali.org/kali-2021.1/kali-linux-2021.1-installer-amd64.iso

# Create the VM (-t stands for template and -s is the size of the vm)
# More templates can be found at /vms/.templates
doas vm create -t debian -s 20G mykali

# Configure things like memory, cpu, uefi, vnc settings
doas vm configure mykali

# This are the things I added, refer to https://github.com/churchers/vm-bhyve/wiki/UEFI-Graphics-(VNC)
cpu=2
memory=4G
uefi="yes"
graphics="yes"
graphics_res="1600x1200"
xhci_mouse="yes"

# To check the iso name in the iso store
doas vm iso

# In this case kali-linux-2021.1-installer-amd64.iso is the iso I want
DATASTORE           FILENAME
default             kali-linux-2021.1-installer-amd64.iso

# Start installation from the ISO, this step will boot the vm with the iso
doas vm install mykali  kali-linux-2021.1-installer-amd64.iso

# Since I am intending to use with TigerVNC, I put in 127.0.0.1:5900 (default vnc port) for the host
vncviewer 127.0.0.1:5900

# Due to the uefi folder not in BOOT, it will not boot properly hence what I did was use the expert install menu
# and when prompted about installing grub to my removable drive, I click yes and it will show a installing to dummy grub
# Otherwise if you miss this, you can still remediate

# After install, you can always configure again if you need to add resource whatsoever
doas vm configure mykali

# Enable autostart of the newly created VM, if you want
doas sysrc vm_list="mykali"

# Otherwise you can manually start with
doas vm start mykali

# If you have not done the installing grub fix, you might be faced with an boot failed efi cdrom/dvd message.
# Wait a while for a shell to appear, type exit the quit the shell and you should see a bhyve boot menu
# go to Boot Maintainence Manager > Boot From File > YOUR_BOOT_LABEL
# You should see an EFI entry inside, go ahead into kali and select the grubx64.efi, your OS should not show the
# bootloader

# Once inside, do the following to fix the grub issue, Note: this have to be done everytime grub updates
sudo su
mkdir /boot/efi/EFI/BOOT/
cd /boot/efi/EFI/kali
cp grubx64.efi /boot/efi/EFI/BOOT/bootx64.efi

# Reboot the machine to see the change
reboot

# To stop the vm and power down if there is any issue, other can just power off from the guest
doas vm stop mykali

# To see list of all vms and it's state
doas vm list

# To set up internet in the kali, right click on the network connection icon on the top bar and click edit connection
# Go to the ipv4 settings and set the machine ip to be 192.168.8.2/24 and the gateway to be 192.168.8.1
# Set the DNS to 8.8.8.8 (Google DNS)
# Try to ping the following and make sure it is not timed out
ping -c 2 192.168.8.1
ping -c 2 8.8.8.8

# If all else succeed, you will have Kali Linux running on your FreeBSD laptop with internet access.