fix: Relay last status message (#1054)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/hub.yml

@@ -15,7 +15,7 @@ jobs:
     - uses: actions/checkout@v5
     - 
       name: Docker Hub Description
-      uses: peter-evans/dockerhub-description@v4
+      uses: peter-evans/dockerhub-description@v5
       with:
         username: ${{ secrets.DOCKERHUB_USERNAME }}
         password: ${{ secrets.DOCKERHUB_TOKEN }}

Dockerfile

@@ -11,6 +11,7 @@ FROM qemux/qemu-host:2.05 AS builder
 
 FROM debian:trixie-slim
 
+ARG TARGETARCH
 ARG TARGETPLATFORM
 ARG VERSION_ARG="0.0"
 ARG DEBCONF_NOWARNINGS="yes"
@@ -36,16 +37,20 @@ RUN set -eu && \
         xz-utils \
         iptables \
         iproute2 \
-        apt-utils \
         dnsmasq \
         fakeroot \
+        apt-utils \        
         net-tools \
         e2fsprogs \
         qemu-utils \
+        websocketd \
         iputils-ping \
+        inotify-tools \
         ca-certificates \
         netcat-openbsd \
         qemu-system-x86 && \
+    wget "https://github.com/qemus/passt/releases/download/v2025_09_19/passt_2025_09_19_${TARGETARCH}.deb" -O /tmp/passt.deb -q && \
+    dpkg -i /tmp/passt.deb && \
     apt-get clean && \
     pip3 install --no-cache-dir --break-system-packages --root-user-action=ignore dissect.cstruct && \
     mkdir -p /etc/qemu && \

src/check.sh

@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
+: "${DHCP:="N"}"
 : "${NETWORK:="Y"}"
 
 [ -f "/run/shm/qemu.end" ] && echo "QEMU is shutting down.." && exit 1
@@ -9,6 +10,7 @@ set -Eeuo pipefail
 
 file="/run/shm/dsm.url"
 address="/run/shm/qemu.ip"
+gateway="/run/shm/qemu.gw"
 
 [ ! -s  "$file" ] && echo "DSM has not enabled networking yet.." && exit 1
 
@@ -16,13 +18,13 @@ location=$(<"$file")
 
 if ! curl -m 20 -ILfSs "http://$location/" > /dev/null; then
 
-  if [[ "$location" == "20.20"* ]]; then
+  if [[ "$DHCP" == [Yy1]* ]]; then
-    ip="20.20.20.1"
+    ip=$(<"$address")
+    echo "Failed to reach DSM at http://$location"
+  else
+    ip=$(<"$gateway")
     port="${location##*:}"
     echo "Failed to reach DSM at port $port"
-  else
-    echo "Failed to reach DSM at http://$location"
-    ip=$(<"$address")
   fi
 
   echo "You might need to whitelist IP $ip in the DSM firewall." && exit 1

src/config.sh

@@ -37,7 +37,7 @@ if [[ "$RAM_CHECK" != [Nn]* ]]; then
 fi
 
 if [[ "$DEBUG" == [Yy1]* ]]; then
-  printf "Arguments:\n\n%s\n\n" "${ARGS// -/$'\n-'}"
+  printf "QEMU arguments:\n\n%s\n\n" "${ARGS// -/$'\n-'}"
 fi
 
 return 0

src/disk.sh

@@ -509,9 +509,6 @@ addDevice () {
   if [ -n "$physical" ]; then
     if [[ "$physical" != "512" ]]; then
       sectors=",logical_block_size=$logical,physical_block_size=$physical"
-      if [[ "$physical" != "4096" && "$physical" != "32768" ]]; then
-        warn "Unknown physical sector size: $physical for $DISK_DEV"
-      fi
     fi
   else
     warn "Failed to determine the sector size for $DISK_DEV"
@@ -522,7 +519,9 @@ addDevice () {
   return 0
 }
 
-html "Initializing disks..."
+msg="Initializing disks..."
+html "$msg"
+[[ "$DEBUG" == [Yy1]* ]] && echo "$msg"
 
 [ -z "${DISK_OPTS:-}" ] && DISK_OPTS=""
 [ -z "${DISK_TYPE:-}" ] && DISK_TYPE="scsi"

src/display.sh

@@ -18,6 +18,10 @@ if [[ "$GPU" != [Yy1]* || "$CPU_VENDOR" != "GenuineIntel" || "$ARCH" != "amd64"
 
 fi
 
+msg="Configuring display drivers..."
+html "$msg"
+[[ "$DEBUG" == [Yy1]* ]] && echo "$msg"
+
 DISPLAY_OPTS="-display egl-headless,rendernode=$RENDERNODE"
 DISPLAY_OPTS+=" -vga $VGA"
 

src/entry.sh

@@ -1,13 +1,16 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
+: "${PLATFORM:="x64"}"
 : "${APP:="Virtual DSM"}"
 : "${SUPPORT:="https://github.com/vdsm/virtual-dsm"}"
 
 cd /run
 
+. start.sh      # Startup hook
 . utils.sh      # Load functions
 . reset.sh      # Initialize system
+. server.sh     # Start webserver
 . install.sh    # Run installation
 . disk.sh       # Initialize disks
 . display.sh    # Initialize graphics
@@ -30,7 +33,7 @@ fi
 (( rc != 0 )) && error "$(<"$QEMU_LOG")" && exit 15
 
 terminal
-tail -fn +0 "$QEMU_LOG" 2>/dev/null &
+tail -fn +0 "$QEMU_LOG" --pid=$$ 2>/dev/null &
 cat "$QEMU_TERM" 2>/dev/null & wait $! || :
 
 sleep 1 & wait $!

src/install.sh

@@ -31,8 +31,9 @@ if [ -n "$URL" ] && [ ! -s "$FILE" ] && [ ! -d "$DIR" ]; then
   BASE=$(basename "$URL" .pat)
   if [ ! -s "$STORAGE/$BASE.system.img" ]; then
     BASE=$(basename "${URL%%\?*}" .pat)
-    : "${BASE//+/ }"; printf -v BASE '%b' "${_//%/\\x}"
+    BASE="${BASE//+/ }"
-    BASE=$(echo "$BASE" | sed -e 's/[^A-Za-z0-9._-]/_/g')
+    printf -v BASE '%b' "${BASE//%/\\x}"
+    BASE="${BASE//[!A-Za-z0-9._-]/_}"
   fi
   if [[ "${URL,,}" != "http"* && "${URL,,}" != "file:"* ]] ; then
     [ ! -s "$STORAGE/$BASE.pat" ] && error "Invalid URL:  $URL" && exit 65
@@ -65,8 +66,9 @@ fi
 
 if [ ! -s "$FILE" ]; then
   BASE=$(basename "${URL%%\?*}" .pat)
-  : "${BASE//+/ }"; printf -v BASE '%b' "${_//%/\\x}"
+  BASE="${BASE//+/ }"
-  BASE=$(echo "$BASE" | sed -e 's/[^A-Za-z0-9._-]/_/g')
+  printf -v BASE '%b' "${BASE//%/\\x}"
+  BASE="${BASE//[!A-Za-z0-9._-]/_}"
 fi
 
 if [[ "$URL" != "file://$STORAGE/$BASE.pat" ]]; then
@@ -299,7 +301,4 @@ fi
 mv -f "$BOOT" "$STORAGE/$BASE.boot.img"
 rm -rf "$TMP"
 
-html "Booting DSM instance..."
-sleep 1.2
-
 return 0

src/network.sh

@@ -7,17 +7,25 @@ set -Eeuo pipefail
 : "${MTU:=""}"
 : "${DHCP:="N"}"
 : "${NETWORK:="Y"}"
-: "${USER_PORTS:=""}"
 : "${HOST_PORTS:=""}"
+: "${USER_PORTS:=""}"
 : "${ADAPTER:="virtio-net-pci"}"
 
+: "${VM_NET_IP:=""}"
 : "${VM_NET_DEV:=""}"
 : "${VM_NET_TAP:="dsm"}"
 : "${VM_NET_MAC:="$MAC"}"
-: "${VM_NET_IP:="20.20.20.21"}"
+: "${VM_NET_BRIDGE:="docker"}"
 : "${VM_NET_HOST:="VirtualDSM"}"
+: "${VM_NET_MASK:="255.255.255.0"}"
+
+: "${PASST:="passt"}"
+: "${PASST_MTU:=""}"
+: "${PASST_OPTS:=""}"
+: "${PASST_DEBUG:=""}"
 
 : "${DNSMASQ_OPTS:=""}"
+: "${DNSMASQ_DEBUG:=""}"
 : "${DNSMASQ:="/usr/sbin/dnsmasq"}"
 : "${DNSMASQ_CONF_DIR:="/etc/dnsmasq.d"}"
 
@@ -29,6 +37,8 @@ ADD_ERR="Please add the following setting to your container:"
 
 configureDHCP() {
 
+  [[ "$DEBUG" == [Yy1]* ]] && echo "Configuring MACVTAP networking..."
+
   # Create the necessary file structure for /dev/vhost-net
   if [ ! -c /dev/vhost-net ]; then
     if mknod /dev/vhost-net c 10 238; then
@@ -61,7 +71,7 @@ configureDHCP() {
 
   if [[ "$MTU" != "0" && "$MTU" != "1500" ]]; then
     if ! ip link set dev "$VM_NET_TAP" mtu "$MTU"; then
-      warn "Failed to set MTU size.."
+      warn "Failed to set MTU size to $MTU."
     fi
   fi
 
@@ -105,35 +115,69 @@ configureDHCP() {
 
 configureDNS() {
 
-  # Create lease file for faster resolve
+  local if="$1"
-  echo "0 $VM_NET_MAC $VM_NET_IP $VM_NET_HOST 01:$VM_NET_MAC" > /var/lib/misc/dnsmasq.leases
+  local ip="$2"
-  chmod 644 /var/lib/misc/dnsmasq.leases
+  local mac="$3"
+  local host="$4"
+  local mask="$5"
+  local gateway="$6"
 
-  # dnsmasq configuration:
+  echo "$gateway" > /run/shm/qemu.gw
-  DNSMASQ_OPTS+=" --dhcp-authoritative"
+  
+  [[ "${DNSMASQ_DISABLE:-}" == [Yy1]* ]] && return 0
+  [[ "$DEBUG" == [Yy1]* ]] && echo "Starting dnsmasq daemon..."
 
-  # Set DHCP range and host
+  local log="/var/log/dnsmasq.log"
-  DNSMASQ_OPTS+=" --dhcp-range=$VM_NET_IP,$VM_NET_IP"
+  rm -f "$log"
-  DNSMASQ_OPTS+=" --dhcp-host=$VM_NET_MAC,,$VM_NET_IP,$VM_NET_HOST,infinite"
 
-  # Set DNS server and gateway
+  case "${NETWORK,,}" in
-  DNSMASQ_OPTS+=" --dhcp-option=option:netmask,255.255.255.0"
+    "nat" | "tap" | "tun" | "tuntap" | "y" )
-  DNSMASQ_OPTS+=" --dhcp-option=option:router,${VM_NET_IP%.*}.1"
+
-  DNSMASQ_OPTS+=" --dhcp-option=option:dns-server,${VM_NET_IP%.*}.1"
+      # Create lease file for faster resolve
+      echo "0 $mac $ip $host 01:$mac" > /var/lib/misc/dnsmasq.leases
+      chmod 644 /var/lib/misc/dnsmasq.leases
+
+      # dnsmasq configuration:
+      DNSMASQ_OPTS+=" --dhcp-authoritative"
+
+      # Set DHCP range and host
+      DNSMASQ_OPTS+=" --dhcp-range=$ip,$ip"
+      DNSMASQ_OPTS+=" --dhcp-host=$mac,,$ip,$host,infinite"
+
+      # Set DNS server and gateway
+      DNSMASQ_OPTS+=" --dhcp-option=option:netmask,$mask"
+      DNSMASQ_OPTS+=" --dhcp-option=option:router,$gateway"
+      DNSMASQ_OPTS+=" --dhcp-option=option:dns-server,$gateway"
+
+  esac
+
+  # Set interfaces
+  DNSMASQ_OPTS+=" --interface=$if"
+  DNSMASQ_OPTS+=" --bind-interfaces"
 
   # Add DNS entry for container
-  DNSMASQ_OPTS+=" --address=/host.lan/${VM_NET_IP%.*}.1"
+  DNSMASQ_OPTS+=" --address=/host.lan/$gateway"
+
+  # Set local dns resolver to dnsmasq when needed
+  [ -f /etc/resolv.dnsmasq ] && DNSMASQ_OPTS+=" --resolv-file=/etc/resolv.dnsmasq"
+
+  # Enable logging to file
+  DNSMASQ_OPTS+=" --log-facility=$log"
 
   DNSMASQ_OPTS=$(echo "$DNSMASQ_OPTS" | sed 's/\t/ /g' | tr -s ' ' | sed 's/^ *//')
-
+  [[ "$DEBUG" == [Yy1]* ]] && printf "Dnsmasq arguments:\n\n%s\n\n" "${DNSMASQ_OPTS// -/$'\n-'}"
-  if [[ "${DEBUG_DNS:-}" == [Yy1]* ]]; then
-   DNSMASQ_OPTS+=" -d"
-   $DNSMASQ ${DNSMASQ_OPTS:+ $DNSMASQ_OPTS} &
-   return 0
-  fi
 
   if ! $DNSMASQ ${DNSMASQ_OPTS:+ $DNSMASQ_OPTS}; then
-    error "Failed to start dnsmasq, reason: $?" && return 1
+
+    local msg="Failed to start Dnsmasq, reason: $?"
+    [ -f "$log" ] && cat "$log"
+    error "$msg"
+
+    return 1
+  fi
+
+  if [[ "$DNSMASQ_DEBUG" == [Yy1]* ]]; then
+    tail -fn +0 "$log" --pid=$$ &
   fi
 
   return 0
@@ -174,37 +218,139 @@ getUserPorts() {
 getHostPorts() {
 
   local list="$1"
+  list=$(echo "${list// /}" | sed 's/,*$//g')
 
-  [ -z "$list" ] && echo "" && return 0
+  [ -z "$list" ] && list="$MON_PORT" || list+=",$MON_PORT"
+
+  if [[ "${NETWORK,,}" == "passt" ]]; then
+
+    local DNS_PORT="53"
+
+    if [[ "${DNSMASQ_DISABLE:-}" != [Yy1]* ]]; then
+      [ -z "$list" ] && list="$DNS_PORT" || list+=",$DNS_PORT"
+    fi
+
+    [ -z "$list" ] && list="$COM_PORT" || list+=",$COM_PORT"
+    [ -z "$list" ] && list="$CHR_PORT" || list+=",$CHR_PORT"
+    [ -z "$list" ] && list="$WSD_PORT" || list+=",$WSD_PORT"
 
-  if [[ "$list" != *","* ]]; then
-    echo " ! --dport $list"
-  else
-    echo " -m multiport ! --dports $list"
   fi
 
+  echo "$list"
   return 0
 }
 
-configureUser() {
+configureSlirp() {
 
-  if [ -z "$IP6" ]; then
+  [[ "$DEBUG" == [Yy1]* ]] && echo "Configuring slirp networking..."
-    NET_OPTS="-netdev user,id=hostnet0,host=${VM_NET_IP%.*}.1,net=${VM_NET_IP%.*}.0/24,dhcpstart=$VM_NET_IP,hostname=$VM_NET_HOST"
+
-  else
+  local ip="$IP"
-    NET_OPTS="-netdev user,id=hostnet0,ipv4=on,host=${VM_NET_IP%.*}.1,net=${VM_NET_IP%.*}.0/24,dhcpstart=$VM_NET_IP,ipv6=on,hostname=$VM_NET_HOST"
+  [ -n "$VM_NET_IP" ] && ip="$VM_NET_IP"
-  fi
+  local base="${ip%.*}."
+  [ "${ip/$base/}" -lt "4" ] && ip="${ip%.*}.4"
+  local gateway="${ip%.*}.1"
+
+  local ipv6=""
+  [ -n "$IP6" ] && ipv6="ipv6=on,"
+
+  NET_OPTS="-netdev user,id=hostnet0,ipv4=on,host=$gateway,net=${gateway%.*}.0/24,dhcpstart=$ip,${ipv6}hostname=$VM_NET_HOST"
 
   local forward
-  forward=$(getUserPorts "$USER_PORTS")
+  forward=$(getUserPorts "${USER_PORTS:-}")
   [ -n "$forward" ] && NET_OPTS+=",$forward"
 
+  if [[ "${DNSMASQ_DISABLE:-}" != [Yy1]* ]]; then
+    cp /etc/resolv.conf /etc/resolv.dnsmasq
+    echo -e "nameserver 127.0.0.1\nsearch .\noptions ndots:0" >/etc/resolv.conf
+  fi
+
+  configureDNS "lo" "$ip" "$VM_NET_MAC" "$VM_NET_HOST" "$VM_NET_MASK" "$gateway" || return 1
+
+  VM_NET_IP="$ip"
+  return 0
+}
+
+configurePasst() {
+
+  [[ "$DEBUG" == [Yy1]* ]] && echo "Configuring user-mode networking..."
+
+  local log="/var/log/passt.log"
+  rm -f "$log"
+
+  local pid="/var/run/dnsmasq.pid"
+  [ -s "$pid" ] && pKill "$(<"$pid")"
+
+  local ip="$IP"
+  [ -n "$VM_NET_IP" ] && ip="$VM_NET_IP"
+
+  local gateway=""
+  if [[ "$ip" != *".1" ]]; then
+    gateway="${ip%.*}.1"
+  else
+    gateway="${ip%.*}.2"
+  fi
+
+  # passt configuration:
+  [ -z "$IP6" ] && PASST_OPTS+=" -4"
+
+  PASST_OPTS+=" -a $ip"
+  PASST_OPTS+=" -g $gateway"
+  PASST_OPTS+=" -n $VM_NET_MASK"
+  [ -n "$PASST_MTU" ] && PASST_OPTS+=" -m $PASST_MTU"
+
+  exclude=$(getHostPorts "$HOST_PORTS")
+
+  if [ -z "$exclude" ]; then
+    exclude="%${VM_NET_DEV}/all"
+  else
+    exclude="%${VM_NET_DEV}/~${exclude//,/,~}"
+  fi
+
+  PASST_OPTS+=" -t $exclude"
+  PASST_OPTS+=" -u $exclude"
+  PASST_OPTS+=" -H $VM_NET_HOST"
+  PASST_OPTS+=" -M $GATEWAY_MAC"
+  PASST_OPTS+=" -P /var/run/passt.pid"
+  PASST_OPTS+=" -l $log"
+  PASST_OPTS+=" -q"
+
+  if [[ "${DNSMASQ_DISABLE:-}" != [Yy1]* ]]; then
+    cp /etc/resolv.conf /etc/resolv.dnsmasq
+    echo -e "nameserver 127.0.0.1\nsearch .\noptions ndots:0" >/etc/resolv.conf
+  fi
+
+  PASST_OPTS=$(echo "$PASST_OPTS" | sed 's/\t/ /g' | tr -s ' ' | sed 's/^ *//')
+  [[ "$DEBUG" == [Yy1]* ]] && printf "Passt arguments:\n\n%s\n\n" "${PASST_OPTS// -/$'\n-'}"
+
+  if ! $PASST ${PASST_OPTS:+ $PASST_OPTS} >/dev/null 2>&1; then
+    local msg="Failed to start passt, reason: $?"
+    [ -f "$log" ] && cat "$log"
+    error "$msg"
+    return 1
+  fi
+
+  if [[ "$PASST_DEBUG" == [Yy1]* ]]; then
+    tail -fn +0 "$log" --pid=$$ &
+  else
+    if [[ "$DEBUG" == [Yy1]* ]]; then
+      [ -f "$log" ] && cat "$log" && echo ""
+    fi
+  fi
+
+  NET_OPTS="-netdev stream,id=hostnet0,server=off,addr.type=unix,addr.path=/tmp/passt_1.socket"
+
+  configureDNS "lo" "$ip" "$VM_NET_MAC" "$VM_NET_HOST" "$VM_NET_MASK" "$gateway" || return 1
+
+  VM_NET_IP="$ip"
   return 0
 }
 
 configureNAT() {
 
   local tuntap="TUN device is missing. $ADD_ERR --device /dev/net/tun"
-  local tables="The 'ip_tables' kernel module is not loaded. Try this command: sudo modprobe ip_tables iptable_nat"
+  local tables="the 'ip_tables' kernel module is not loaded. Try this command: sudo modprobe ip_tables iptable_nat"
+
+  [[ "$DEBUG" == [Yy1]* ]] && echo "Configuring NAT networking..."
 
   # Create the necessary file structure for /dev/net/tun
   if [ ! -c /dev/net/tun ]; then
@@ -216,50 +362,64 @@ configureNAT() {
   fi
 
   if [ ! -c /dev/net/tun ]; then
-    error "$tuntap" && return 1
+    warn "$tuntap" && return 1
   fi
 
   # Check port forwarding flag
   if [[ $(< /proc/sys/net/ipv4/ip_forward) -eq 0 ]]; then
     { sysctl -w net.ipv4.ip_forward=1 > /dev/null 2>&1; rc=$?; } || :
     if (( rc != 0 )) || [[ $(< /proc/sys/net/ipv4/ip_forward) -eq 0 ]]; then
-      [[ "$PODMAN" == [Yy1]* ]] && return 1
+      warn "IP forwarding is disabled. $ADD_ERR --sysctl net.ipv4.ip_forward=1"
-      error "IP forwarding is disabled. $ADD_ERR --sysctl net.ipv4.ip_forward=1"
       return 1
     fi
   fi
 
+  local ip base
+  base=$(echo "$IP" | sed -r 's/([^.]*.){2}//')
+  if [[ "$IP" != "172.30."* ]]; then
+    ip="172.30.$base"
+  else
+    ip="172.31.$base"
+  fi
+
+  [ -n "$VM_NET_IP" ] && ip="$VM_NET_IP"
+
+  local gateway=""
+  if [[ "$ip" != *".1" ]]; then
+    gateway="${ip%.*}.1"
+  else
+    gateway="${ip%.*}.2"
+  fi
+
   # Create a bridge with a static IP for the VM guest
-  { ip link add dev dockerbridge type bridge ; rc=$?; } || :
+  { ip link add dev "$VM_NET_BRIDGE" type bridge ; rc=$?; } || :
 
   if (( rc != 0 )); then
-    error "Failed to create bridge. $ADD_ERR --cap-add NET_ADMIN" && return 1
+    warn "failed to create bridge. $ADD_ERR --cap-add NET_ADMIN" && return 1
   fi
 
-  if ! ip address add "${VM_NET_IP%.*}.1/24" broadcast "${VM_NET_IP%.*}.255" dev dockerbridge; then
+  if ! ip address add "$gateway/24" broadcast "${ip%.*}.255" dev "$VM_NET_BRIDGE"; then
-    error "Failed to add IP address pool!" && return 1
+    warn "failed to add IP address pool!" && return 1
   fi
 
-  while ! ip link set dockerbridge up; do
+  while ! ip link set "$VM_NET_BRIDGE" up; do
     info "Waiting for IP address to become available..."
     sleep 2
   done
 
   # QEMU Works with taps, set tap to the bridge created
   if ! ip tuntap add dev "$VM_NET_TAP" mode tap; then
-    error "$tuntap" && return 1
+    warn "$tuntap" && return 1
   fi
 
   if [[ "$MTU" != "0" && "$MTU" != "1500" ]]; then
     if ! ip link set dev "$VM_NET_TAP" mtu "$MTU"; then
-      warn "Failed to set MTU size.."
+      warn "failed to set MTU size to $MTU."
     fi
   fi
 
-  GATEWAY_MAC=$(echo "$VM_NET_MAC" | md5sum | sed 's/^\(..\)\(..\)\(..\)\(..\)\(..\).*$/02:\1:\2:\3:\4:\5/')
-
   if ! ip link set dev "$VM_NET_TAP" address "$GATEWAY_MAC"; then
-    warn "Failed to set gateway MAC address.."
+    warn "failed to set gateway MAC address.."
   fi
 
   while ! ip link set "$VM_NET_TAP" up promisc on; do
@@ -267,27 +427,39 @@ configureNAT() {
     sleep 2
   done
 
-  if ! ip link set dev "$VM_NET_TAP" master dockerbridge; then
+  if ! ip link set dev "$VM_NET_TAP" master "$VM_NET_BRIDGE"; then
-    error "Failed to set IP link!" && return 1
+    warn "failed to set master bridge!" && return 1
   fi
 
-  # Add internet connection to the VM
+  if grep -wq "nf_tables" /proc/modules; then
-  update-alternatives --set iptables /usr/sbin/iptables-legacy > /dev/null
+    update-alternatives --set iptables /usr/sbin/iptables-nft > /dev/null
-  update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy > /dev/null
+    update-alternatives --set ip6tables /usr/sbin/ip6tables-nft > /dev/null
+  else
+    update-alternatives --set iptables /usr/sbin/iptables-legacy > /dev/null
+    update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy > /dev/null
+  fi
 
   exclude=$(getHostPorts "$HOST_PORTS")
 
+  if [ -n "$exclude" ]; then
+    if [[ "$exclude" != *","* ]]; then
+      exclude=" ! --dport $exclude"
+    else
+      exclude=" -m multiport ! --dports $exclude"
+    fi
+  fi
+
   if ! iptables -t nat -A POSTROUTING -o "$VM_NET_DEV" -j MASQUERADE; then
-    error "$tables" && return 1
+    warn "$tables" && return 1
   fi
 
   # shellcheck disable=SC2086
-  if ! iptables -t nat -A PREROUTING -i "$VM_NET_DEV" -d "$IP" -p tcp${exclude} -j DNAT --to "$VM_NET_IP"; then
+  if ! iptables -t nat -A PREROUTING -i "$VM_NET_DEV" -d "$IP" -p tcp${exclude} -j DNAT --to "$ip"; then
-    error "Failed to configure IP tables!" && return 1
+    warn "failed to configure IP tables!" && return 1
   fi
 
-  if ! iptables -t nat -A PREROUTING -i "$VM_NET_DEV" -d "$IP" -p udp -j DNAT --to "$VM_NET_IP"; then
+  if ! iptables -t nat -A PREROUTING -i "$VM_NET_DEV" -d "$IP" -p udp -j DNAT --to "$ip"; then
-    error "Failed to configure IP tables!" && return 1
+    warn "failed to configure IP tables!" && return 1
   fi
 
   if (( KERNEL > 4 )); then
@@ -304,8 +476,9 @@ configureNAT() {
 
   NET_OPTS+=",script=no,downscript=no"
 
-  configureDNS || return 1
+  configureDNS "$VM_NET_BRIDGE" "$ip" "$VM_NET_MAC" "$VM_NET_HOST" "$VM_NET_MASK" "$gateway" || return 1
 
+  VM_NET_IP="$ip"
   return 0
 }
 
@@ -313,14 +486,35 @@ closeBridge() {
 
   local pid="/var/run/dnsmasq.pid"
   [ -s "$pid" ] && pKill "$(<"$pid")"
+  rm -f "$pid"
 
-  [[ "${NETWORK,,}" == "user"* ]] && return 0
+  pid="/var/run/passt.pid"
+  [ -s "$pid" ] && pKill "$(<"$pid")"
+  rm -f "$pid"
+
+  case "${NETWORK,,}" in
+    "user"* | "passt" | "slirp" ) return 0 ;;
+  esac
 
   ip link set "$VM_NET_TAP" down promisc off &> null || true
   ip link delete "$VM_NET_TAP" &> null || true
 
-  ip link set dockerbridge down &> null || true
+  ip link set "$VM_NET_BRIDGE" down &> null || true
-  ip link delete dockerbridge &> null || true
+  ip link delete "$VM_NET_BRIDGE" &> null || true
+
+  return 0
+}
+
+closeWeb() {
+
+  # Shutdown nginx
+  nginx -s stop 2> /dev/null
+  fWait "nginx"
+
+  # Shutdown websocket
+  local pid="/var/run/websocketd.pid"
+  [ -s "$pid" ] && pKill "$(<"$pid")"
+  rm -f "$pid"
 
   return 0
 }
@@ -328,11 +522,7 @@ closeBridge() {
 closeNetwork() {
 
   if [[ "${WEB:-}" != [Nn]* && "$DHCP" == [Yy1]* ]]; then
-
+    closeWeb
-    # Shutdown nginx
-    nginx -s stop 2> /dev/null
-    fWait "nginx"
-
   fi
 
   [[ "$NETWORK" == [Nn]* ]] && return 0
@@ -353,6 +543,21 @@ closeNetwork() {
   return 0
 }
 
+cleanUp() {
+
+  # Clean up old files
+  rm -f /etc/resolv.dnsmasq
+  rm -f /var/run/passt.pid
+  rm -f /var/run/dnsmasq.pid
+
+  if [[ -d "/sys/class/net/$VM_NET_TAP" ]]; then
+    info "Lingering interface will be removed..."
+    ip link delete "$VM_NET_TAP" || true
+  fi
+
+  return 0
+}
+
 checkOS() {
 
   local kernel
@@ -360,8 +565,8 @@ checkOS() {
   local if="macvlan"
   kernel=$(uname -a)
 
-  [[ "${kernel,,}" == *"darwin"* ]] && os="Docker Desktop for macOS"
+  [[ "${kernel,,}" == *"darwin"* ]] && os="$ENGINE Desktop for macOS"
-  [[ "${kernel,,}" == *"microsoft"* ]] && os="Docker Desktop for Windows"
+  [[ "${kernel,,}" == *"microsoft"* ]] && os="$ENGINE Desktop for Windows"
 
   if [[ "$DHCP" == [Yy1]* ]]; then
     if="macvtap"
@@ -393,25 +598,62 @@ getInfo() {
     error "$ADD_ERR -e \"VM_NET_DEV=NAME\" to specify another interface name." && exit 26
   fi
 
-  NIC=$(ethtool -i "$VM_NET_DEV" | grep -m 1 -i 'driver:' | awk '{print $(2)}')
+  GATEWAY=$(ip route list dev "$VM_NET_DEV" | awk ' /^default/ {print $3}' | head -n 1)
+  IP=$(ip address show dev "$VM_NET_DEV" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/ | head -n 1)
+  IP6=""
 
-  if [[ "${NIC,,}" != "veth" && "${NIC,,}" != "macvlan" ]]; then
+  # shellcheck disable=SC2143
-    [[ "$DEBUG" == [Yy1]* ]] && info "Detected NIC: $NIC"
+  if [ -f /proc/net/if_inet6 ] && [ -n "$(ifconfig -a | grep inet6)" ]; then
-    error "This container does not support host mode networking!" && exit 29
+    IP6=$(ip -6 addr show dev "$VM_NET_DEV" scope global up)
+    [ -n "$IP6" ] && IP6=$(echo "$IP6" | sed -e's/^.*inet6 \([^ ]*\)\/.*$/\1/;t;d' | head -n 1)
   fi
 
-  BASE_IP="${VM_NET_IP%.*}."
+  local result nic bus
+  result=$(ethtool -i "$VM_NET_DEV")
+  nic=$(grep -m 1 -i 'driver:' <<< "$result" | awk '{print $(2)}')
+  bus=$(grep -m 1 -i 'bus-info:' <<< "$result" | awk '{print $(2)}')
 
-  if [ "${VM_NET_IP/$BASE_IP/}" -lt "3" ]; then
+  if [[ "${bus,,}" != "" && "${bus,,}" != "n/a" && "${bus,,}" != "tap" ]]; then
-    error "Invalid VM_NET_IP, must end in a higher number than .3" && exit 27
+    [[ "$DEBUG" == [Yy1]* ]] && info "Detected BUS: $bus"
+    error "This container does not support host mode networking!"
+    exit 29
   fi
-  
+
-  if [ -z "$MTU" ]; then
+  if [[ "$DHCP" == [Yy1]* ]]; then
-    MTU=$(cat "/sys/class/net/$VM_NET_DEV/mtu")
+
+    checkOS
+
+    if [[ "${nic,,}" == "ipvlan" ]]; then
+      error "This container does not support IPVLAN networking when DHCP=Y."
+      exit 29
+    fi
+
+    if [[ "${nic,,}" != "macvlan" ]]; then
+      [[ "$DEBUG" == [Yy1]* ]] && info "Detected NIC: $nic"
+      error "The container needs to be in a MACVLAN network when DHCP=Y."
+      exit 29
+    fi
+
+  else
+
+    if [[ "$IP" != "172."* && "$IP" != "10.8"* && "$IP" != "10.9"* ]]; then
+      checkOS
+    fi
+
   fi
 
+  local mtu=""
+
+  if [ -f "/sys/class/net/$VM_NET_DEV/mtu" ]; then
+    mtu=$(< "/sys/class/net/$VM_NET_DEV/mtu")
+  fi
+
+  [ -z "$MTU" ] && MTU="$mtu"
+  [ -z "$MTU" ] && MTU="0"
+
   if [ "$MTU" -gt "1500" ]; then
-    info "MTU size is too large: $MTU, ignoring..." && MTU="0"
+    [[ "$DEBUG" == [Yy1]* ]] && echo "MTU size is too large: $MTU, ignoring..."
+    MTU="0"
   fi
 
   if [[ "${ADAPTER,,}" != "virtio-net-pci" ]]; then
@@ -443,18 +685,28 @@ getInfo() {
     error "Invalid MAC address: '$VM_NET_MAC', should be 12 or 17 digits long!" && exit 28
   fi
 
-  GATEWAY=$(ip route list dev "$VM_NET_DEV" | awk ' /^default/ {print $3}' | head -n 1)
+  GATEWAY_MAC=$(echo "$VM_NET_MAC" | md5sum | sed 's/^\(..\)\(..\)\(..\)\(..\)\(..\).*$/02:\1:\2:\3:\4:\5/')
-  IP=$(ip address show dev "$VM_NET_DEV" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/ | head -n 1)
 
-  IP6=""
+  if [[ "$PODMAN" == [Yy1]* && "$DHCP" != [Yy1]* ]]; then
-  # shellcheck disable=SC2143
+    if [ -z "$NETWORK" ] || [[ "${NETWORK^^}" == "Y" ]]; then
-  if [ -f /proc/net/if_inet6 ] && [ -n "$(ifconfig -a | grep inet6)" ]; then
+      # By default Podman has no permissions for NAT networking
-    IP6=$(ip -6 addr show dev "$VM_NET_DEV" scope global up)
+      NETWORK="user"
-    [ -n "$IP6" ] && IP6=$(echo "$IP6" | sed -e's/^.*inet6 \([^ ]*\)\/.*$/\1/;t;d' | head -n 1)
+    fi
+  fi
+
+  if [[ "$DEBUG" == [Yy1]* ]]; then
+    line="Host: $HOST  IP: $IP  Gateway: $GATEWAY  Interface: $VM_NET_DEV  MAC: $VM_NET_MAC  MTU: $mtu"
+    [[ "$MTU" != "0" && "$MTU" != "$mtu" ]] && line+=" ($MTU)"
+    info "$line"
+    if [ -f /etc/resolv.conf ]; then
+      nameservers=$(grep '^nameserver*' /etc/resolv.conf | head -c -1 | sed 's/nameserver //g;' | sed -z 's/\n/, /g')
+      [ -n "$nameservers" ] && info "Nameservers: $nameservers"
+    fi
+    echo
   fi
 
-  [ -f "/run/.containerenv" ] && PODMAN="Y" || PODMAN="N"
   echo "$IP" > /run/shm/qemu.ip
+  echo "$nic" > /run/shm/qemu.nic
 
   return 0
 }
@@ -468,84 +720,75 @@ if [[ "$NETWORK" == [Nn]* ]]; then
   return 0
 fi
 
-getInfo
+msg="Initializing network..."
-html "Initializing network..."
+html "$msg"
+[[ "$DEBUG" == [Yy1]* ]] && echo "$msg"
 
-if [[ "$DEBUG" == [Yy1]* ]]; then
+getInfo
-  mtu=$(cat "/sys/class/net/$VM_NET_DEV/mtu")
+cleanUp
-  line="Host: $HOST  IP: $IP  Gateway: $GATEWAY  Interface: $VM_NET_DEV  MAC: $VM_NET_MAC  MTU: $mtu"
-  [[ "$MTU" != "0" && "$MTU" != "$mtu" ]] && line+=" ($MTU)"
-  info "$line"
-  if [ -f /etc/resolv.conf ]; then
-    nameservers=$(grep '^nameserver*' /etc/resolv.conf | head -c -1 | sed 's/nameserver //g;' | sed -z 's/\n/, /g')
-    [ -n "$nameservers" ] && info "Nameservers: $nameservers"
-  fi
-  echo
-fi
 
 if [[ "$IP" == "172.17."* ]]; then
   warn "your container IP starts with 172.17.* which will cause conflicts when you install the Container Manager package inside DSM!"
 fi
 
-if [[ -d "/sys/class/net/$VM_NET_TAP" ]]; then
+MSG="Booting DSM instance..."
-  info "Lingering interface will be removed..."
+html "$MSG"
-  ip link delete "$VM_NET_TAP" || true
-fi
 
 if [[ "$DHCP" == [Yy1]* ]]; then
 
-  checkOS
-
-  if [[ "$IP" == "172."* ]]; then
-    warn "container IP starts with 172.* which is often a sign that you are not on a macvlan network (required for DHCP)!"
-  fi
-
   # Configure for macvtap interface
   configureDHCP || exit 20
 
-  MSG="Booting DSM instance..."
-  html "$MSG"
-
 else
 
-  if [[ "$IP" != "172."* && "$IP" != "10.8"* && "$IP" != "10.9"* ]]; then
-    checkOS
-  fi
-
   if [[ "${WEB:-}" != [Nn]* ]]; then
-
+    sleep 1.2
-    # Shutdown nginx
+    closeWeb
-    nginx -s stop 2> /dev/null
-    fWait "nginx"
-
   fi
 
-  if [[ "${NETWORK,,}" != "user"* ]]; then
+  case "${NETWORK,,}" in
+    "user"* | "passt" | "slirp" ) ;;
+    "nat" | "tap" | "tun" | "tuntap" | "y" )
 
-    # Configure for tap interface
+      # Configure tap interface
-    if ! configureNAT; then
+      if ! configureNAT; then
 
-      closeBridge
+        closeBridge
-      NETWORK="user"
+        NETWORK="user"
-      msg="falling back to user-mode networking!"
+        msg="falling back to user-mode networking!"
-      if [[ "$PODMAN" != [Yy1]* ]]; then
+        msg="failed to setup NAT networking, $msg"
-        msg="an error occured, $msg"
+
-      else
+      fi ;;
-        msg="podman detected, $msg"
+
+  esac
+
+  [[ "${NETWORK,,}" == "user"* ]] && NETWORK="passt"
+
+  case "${NETWORK,,}" in
+    "nat" | "tap" | "tun" | "tuntap" | "y" ) ;;
+    "passt" )
+
+      # Configure for user-mode networking (passt)
+      if ! configurePasst; then
+        error "Failed to configure user-mode networking!"
+        exit 24
+      fi ;;
+
+    "slirp" )
+
+      # Configure for user-mode networking (slirp)
+      if ! configureSlirp; then
+        error "Failed to configure user-mode networking!"
+        exit 24
       fi
-      warn "$msg"
-      [ -z "$USER_PORTS" ] && info "Notice: when you want to expose ports in this mode, map them using this variable: \"USER_PORTS=5000,5001\"."
 
-    fi
+      if [ -z "$USER_PORTS" ]; then
+        info "Notice: slirp networking is active, so when you want to expose ports, you will need to map them using this variable: \"USER_PORTS=5000,5001\"."
+      fi ;;
 
-  fi
+    *)
-
+      error "Unrecognized NETWORK value: \"$NETWORK\"" && exit 24 ;;
-  if [[ "${NETWORK,,}" == "user"* ]]; then
+  esac
-
-    # Configure for user-mode networking (slirp)
-    configureUser || exit 24
-
-  fi
 
 fi
 

src/power.sh

@@ -1,15 +1,15 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
+: "${API_TIMEOUT:="50"}"   # API Call timeout
+: "${QEMU_TIMEOUT:="50"}"  # QEMU Termination timeout
+
 # Configure QEMU for graceful shutdown
 
 API_CMD=6
-API_HOST="127.0.0.1:2210"
+API_HOST="127.0.0.1:$COM_PORT"
-: "${API_TIMEOUT:="50"}" # API Call timeout
 
 QEMU_TERM=""
-QEMU_PORT=7100
-: "${QEMU_TIMEOUT:="50"}" # QEMU Termination timeout
 QEMU_DIR="/run/shm"
 QEMU_PID="$QEMU_DIR/qemu.pid"
 QEMU_LOG="$QEMU_DIR/qemu.log"
@@ -83,7 +83,7 @@ terminal() {
   fi
 
   if [ ! -c "$dev" ]; then
-    dev=$(echo 'info chardev' | nc -q 1 -w 1 localhost "$QEMU_PORT" | tr -d '\000')
+    dev=$(echo 'info chardev' | nc -q 1 -w 1 localhost "$MON_PORT" | tr -d '\000')
     dev="${dev#*serial0}"
     dev="${dev#*pty:}"
     dev="${dev%%$'\n'*}"
@@ -127,7 +127,7 @@ _graceful_shutdown() {
   fi
 
   # Don't send the powerdown signal because vDSM ignores ACPI signals
-  # echo 'system_powerdown' | nc -q 1 -w 1 localhost "${QEMU_PORT}" > /dev/null
+  # echo 'system_powerdown' | nc -q 1 -w 1 localhost "$MON_PORT" > /dev/null
 
   # Send shutdown command to guest agent via serial port
   url="http://$API_HOST/read?command=$API_CMD&timeout=$API_TIMEOUT"
@@ -172,7 +172,7 @@ _graceful_shutdown() {
 MON_OPTS="\
         -pidfile $QEMU_PID \
         -name $PROCESS,process=$PROCESS,debug-threads=on \
-        -monitor telnet:localhost:$QEMU_PORT,server,nowait,nodelay"
+        -monitor telnet:localhost:$MON_PORT,server,nowait,nodelay"
 
 if [[ "$CONSOLE" != [Yy]* ]]; then
 

src/print.sh

@@ -11,6 +11,7 @@ error () { printf "%b%s%b" "\E[1;31m❯ " "ERROR: $1" "\E[0m\n" >&2; }
 
 file="/run/shm/dsm.url"
 info="/run/shm/msg.html"
+driver="/run/shm/qemu.nic"
 page="/run/shm/index.html"
 address="/run/shm/qemu.ip"
 shutdown="/run/shm/qemu.end"
@@ -56,11 +57,7 @@ do
   (( rc != 0 )) && error "$jq_err $rc ( $json )" && continue
   [[ "$ip" == "null" ]] && error "$resp_err $json" && continue
 
-  if [ -z "$ip" ]; then
+  [ -z "$ip" ] && continue
-    [[ "$DHCP" == [Yy1]* ]] && continue
-    ip="20.20.20.21"
-  fi
-
   echo "$ip:$port" > $file
 
 done
@@ -69,7 +66,7 @@ done
 
 location=$(<"$file")
 
-if [[ "$location" != "20.20"* ]]; then
+if [[ "$DHCP" == [Yy1]* ]]; then
 
   msg="http://$location"
   title="<title>Virtual DSM</title>"
@@ -88,10 +85,11 @@ if [[ "$location" != "20.20"* ]]; then
 
 else
 
+  nic=$(<"$driver")
   ip=$(<"$address")
   port="${location##*:}"
 
-  if [[ "$ip" == "172."* ]]; then
+  if [[ "${nic,,}" != "macvlan" ]]; then
     msg="port $port"
   else
     msg="http://$ip:$port"

src/proc.sh

@@ -3,7 +3,6 @@ set -Eeuo pipefail
 
 # Docker environment variables
 
-: "${KVM:="Y"}"
 : "${HOST_CPU:=""}"
 : "${CPU_FLAGS:=""}"
 : "${CPU_MODEL:=""}"
@@ -26,52 +25,7 @@ else
   esac
 fi
 
-if [[ "$KVM" == [Nn]* ]]; then
+flags=$(sed -ne '/^flags/s/^.*: //p' /proc/cpuinfo)
-  warn "KVM acceleration is disabled, this will cause the machine to run about 10 times slower!"
-else
-  if [[ "${ARCH,,}" != "amd64" ]]; then
-    KVM="N"
-    warn "your CPU architecture is ${ARCH^^} and cannot provide KVM acceleration for x64 instructions, so the machine will run about 10 times slower."
-  fi
-fi
-
-if [[ "$KVM" != [Nn]* ]]; then
-
-  KVM_ERR=""
-
-  if [ ! -e /dev/kvm ]; then
-    KVM_ERR="(/dev/kvm is missing)"
-  else
-    if ! sh -c 'echo -n > /dev/kvm' &> /dev/null; then
-      KVM_ERR="(/dev/kvm is unwriteable)"
-    else
-      flags=$(sed -ne '/^flags/s/^.*: //p' /proc/cpuinfo)
-      if ! grep -qw "vmx\|svm" <<< "$flags"; then
-        KVM_ERR="(not enabled in BIOS)"
-      fi
-    fi
-  fi
-
-  if [ -n "$KVM_ERR" ]; then
-    KVM="N"
-    if [[ "$OSTYPE" =~ ^darwin ]]; then
-      warn "you are using macOS which has no KVM support, so the machine will run about 10 times slower."
-    else
-      kernel=$(uname -a)
-      case "${kernel,,}" in
-        *"microsoft"* )
-          error "Please bind '/dev/kvm' as a volume in the optional container settings when using Docker Desktop." ;;
-        *"synology"* )
-          error "Please make sure that Synology VMM (Virtual Machine Manager) is installed and that '/dev/kvm' is binded to this container." ;;
-        *)
-          error "KVM acceleration is not available $KVM_ERR, this will cause the machine to run about 10 times slower."
-          error "See the FAQ for possible causes, or disable acceleration by adding the \"KVM=N\" variable (not recommended)." ;;
-      esac
-      [[ "$DEBUG" != [Yy1]* ]] && exit 88
-    fi
-  fi
-
-fi
 
 if [[ "$KVM" != [Nn]* ]]; then
 

src/progress.sh

@@ -25,7 +25,7 @@ do
   if [ -s "$file" ]; then
     bytes=$(du -sb "$file" | cut -f1)
     if (( bytes > 1000 )); then
-      if [ -z "$total" ] || [[ "$total" == "0" ]]; then
+      if [ -z "$total" ] || [[ "$total" == "0" ]] || [ "$bytes" -gt "$total" ]; then
         size=$(numfmt --to=iec --suffix=B "$bytes" | sed -r 's/([A-Z])/ \1/')
       else
         size="$(echo "$bytes" "$total" | awk '{printf "%.1f", $1 * 100 / $2}')"

src/reset.sh

@@ -2,16 +2,15 @@
 set -Eeuo pipefail
 
 trap 'error "Status $? while: $BASH_COMMAND (line $LINENO/$BASH_LINENO)"' ERR
+[[ "${TRACE:-}" == [Yy1]* ]] && set -o functrace && trap 'echo "# $BASH_COMMAND" >&2' DEBUG
 
-[ ! -f "/run/entry.sh" ] && error "Script must run inside Docker container!" && exit 11
+[ ! -f "/run/entry.sh" ] && error "Script must be run inside the container!" && exit 11
 [ "$(id -u)" -ne "0" ] && error "Script must be executed with root privileges." && exit 12
 
-echo "❯ Starting $APP for Docker v$(</run/version)..."
-echo "❯ For support visit $SUPPORT"
-
 # Docker environment variables
 
-: "${TZ:=""}"              # System local timezone
+: "${TZ:=""}"              # System timezone
+: "${KVM:="Y"}"            # KVM acceleration
 : "${DEBUG:="N"}"          # Disable debugging mode
 : "${COUNTRY:=""}"         # Country code for mirror
 : "${CONSOLE:="N"}"        # Disable console mode
@@ -25,13 +24,23 @@ echo "❯ For support visit $SUPPORT"
 
 # Helper variables
 
+PODMAN="N"
+ENGINE="Docker"
 PROCESS="${APP,,}"
 PROCESS="${PROCESS// /-}"
 
+if [ -f "/run/.containerenv" ]; then
+  PODMAN="Y"
+  ENGINE="Podman"
+fi
+
+echo "❯ Starting $APP for $ENGINE v$(</run/version)..."
+echo "❯ For support visit $SUPPORT"
+
 INFO="/run/shm/msg.html"
 PAGE="/run/shm/index.html"
 TEMPLATE="/var/www/index.html"
-FOOTER1="$APP for Docker v$(</run/version)"
+FOOTER1="$APP for $ENGINE v$(</run/version)"
 FOOTER2="<a href='$SUPPORT'>$SUPPORT</a>"
 
 CPU=$(cpu)
@@ -133,6 +142,63 @@ if [[ "$RAM_CHECK" != [Nn]* ]] && (( (RAM_WANTED + RAM_SPARE) > RAM_AVAIL )); th
   info "$msg"
 fi
 
+# Check KVM support
+
+if [[ "${PLATFORM,,}" == "x64" ]]; then
+  TARGET="amd64"
+else
+  TARGET="arm64"
+fi
+
+if [[ "$KVM" == [Nn]* ]]; then
+  warn "KVM acceleration is disabled, this will cause the machine to run about 10 times slower!"
+else
+  if [[ "${ARCH,,}" != "$TARGET" ]]; then
+    KVM="N"
+    warn "your CPU architecture is ${ARCH^^} and cannot provide KVM acceleration for ${PLATFORM^^} instructions, so the machine will run about 10 times slower."
+  fi
+fi
+
+if [[ "$KVM" != [Nn]* ]]; then
+
+  KVM_ERR=""
+
+  if [ ! -e /dev/kvm ]; then
+    KVM_ERR="(/dev/kvm is missing)"
+  else
+    if ! sh -c 'echo -n > /dev/kvm' &> /dev/null; then
+      KVM_ERR="(/dev/kvm is unwriteable)"
+    else
+      if [[ "${PLATFORM,,}" == "x64" ]]; then
+        flags=$(sed -ne '/^flags/s/^.*: //p' /proc/cpuinfo)
+        if ! grep -qw "vmx\|svm" <<< "$flags"; then
+          KVM_ERR="(not enabled in BIOS)"
+        fi
+      fi
+    fi
+  fi
+
+  if [ -n "$KVM_ERR" ]; then
+    KVM="N"
+    if [[ "$OSTYPE" =~ ^darwin ]]; then
+      warn "you are using macOS which has no KVM support, so the machine will run about 10 times slower."
+    else
+      kernel=$(uname -a)
+      case "${kernel,,}" in
+        *"microsoft"* )
+          error "Please bind '/dev/kvm' as a volume in the optional container settings when using Docker Desktop." ;;
+        *"synology"* )
+          error "Please make sure that Synology VMM (Virtual Machine Manager) is installed and that '/dev/kvm' is binded to this container." ;;
+        *)
+          error "KVM acceleration is not available $KVM_ERR, this will cause the machine to run about 10 times slower."
+          error "See the FAQ for possible causes, or disable acceleration by adding the \"KVM=N\" variable (not recommended)." ;;
+      esac
+      [[ "$DEBUG" != [Yy1]* ]] && exit 88
+    fi
+  fi
+
+fi
+
 # Cleanup files
 rm -f /run/shm/qemu.*
 rm -f /run/shm/dsm.url
@@ -141,89 +207,4 @@ rm -f /run/shm/dsm.url
 rm -rf /tmp/dsm
 rm -rf "$STORAGE/tmp"
 
-getCountry() {
-  local url=$1
-  local query=$2
-  local rc json result
-
-  { json=$(curl -m 5 -H "Accept: application/json" -sfk "$url"); rc=$?; } || :
-  (( rc != 0 )) && return 0
-
-  { result=$(echo "$json" | jq -r "$query" 2> /dev/null); rc=$?; } || :
-  (( rc != 0 )) && return 0
-
-  [[ ${#result} -ne 2 ]] && return 0
-  [[ "${result^^}" == "XX" ]] && return 0
-
-  COUNTRY="${result^^}"
-
-  return 0
-}
-
-setCountry() {
-
-  [[ "${TZ,,}" == "asia/harbin" ]] && COUNTRY="CN"
-  [[ "${TZ,,}" == "asia/beijing" ]] && COUNTRY="CN"
-  [[ "${TZ,,}" == "asia/urumqi" ]] && COUNTRY="CN"
-  [[ "${TZ,,}" == "asia/kashgar" ]] && COUNTRY="CN"
-  [[ "${TZ,,}" == "asia/shanghai" ]] && COUNTRY="CN"
-  [[ "${TZ,,}" == "asia/chongqing" ]] && COUNTRY="CN"
-
-  [ -z "$COUNTRY" ] && getCountry "https://api.ipapi.is" ".location.country_code"
-  [ -z "$COUNTRY" ] && getCountry "https://ifconfig.co/json" ".country_iso"
-  [ -z "$COUNTRY" ] && getCountry "https://api.ip2location.io" ".country_code"
-  [ -z "$COUNTRY" ] && getCountry "https://ipinfo.io/json" ".country"
-  [ -z "$COUNTRY" ] && getCountry "https://api.ipquery.io/?format=json" ".location.country_code" 
-  [ -z "$COUNTRY" ] && getCountry "https://api.myip.com" ".cc"
-
-  return 0
-}
-
-addPackage() {
-  local pkg=$1
-  local desc=$2
-
-  if apt-mark showinstall | grep -qx "$pkg"; then
-    return 0
-  fi
-
-  MSG="Installing $desc..."
-  info "$MSG" && html "$MSG"
-
-  [ -z "$COUNTRY" ] && setCountry
-
-  if [[ "${COUNTRY^^}" == "CN" ]]; then
-    sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/debian.sources
-  fi
-
-  DEBIAN_FRONTEND=noninteractive apt-get -qq update
-  DEBIAN_FRONTEND=noninteractive apt-get -qq --no-install-recommends -y install "$pkg" > /dev/null
-
-  return 0
-}
-
-: "${WEB_PORT:="5000"}"    # Webserver port
-
-cp -r /var/www/* /run/shm
-html "Starting $APP for Docker..."
-
-if [[ "${WEB:-}" != [Nn]* ]]; then
-
-  mkdir -p /etc/nginx/sites-enabled
-  cp /etc/nginx/default.conf /etc/nginx/sites-enabled/web.conf
-
-  sed -i "s/listen 5000 default_server;/listen $WEB_PORT default_server;/g" /etc/nginx/sites-enabled/web.conf
-  
-  # shellcheck disable=SC2143
-  if [ -f /proc/net/if_inet6 ] && [ -n "$(ifconfig -a | grep inet6)" ]; then
-
-    sed -i "s/listen $WEB_PORT default_server;/listen [::]:$WEB_PORT default_server ipv6only=off;/g" /etc/nginx/sites-enabled/web.conf
-
-  fi
-  
-  # Start webserver
-  nginx -e stderr
-
-fi
-
 return 0

src/serial.sh

@@ -45,7 +45,7 @@ fi
 cnt=0
 sleep 0.2
 
-while ! nc -z -w2 127.0.0.1 2210 > /dev/null 2>&1; do
+while ! nc -z -w2 127.0.0.1 "$COM_PORT" > /dev/null 2>&1; do
   sleep 0.1
   cnt=$((cnt + 1))
   (( cnt > 50 )) && error "Failed to connect to qemu-host.." && exit 58
@@ -53,7 +53,7 @@ done
 
 cnt=0
 
-while ! nc -z -w2 127.0.0.1 12345 > /dev/null 2>&1; do
+while ! nc -z -w2 127.0.0.1 "$CHR_PORT" > /dev/null 2>&1; do
   sleep 0.1
   cnt=$((cnt + 1))
   (( cnt > 50 )) && error "Failed to connect to qemu-host.." && exit 59
@@ -69,7 +69,7 @@ fi
 
 SERIAL_OPTS+=" \
         -device virtio-serial-pci,id=virtio-serial0,bus=pcie.0,addr=0x3 \
-        -chardev socket,id=charchannel0,host=127.0.0.1,port=12345,reconnect=10 \
+        -chardev socket,id=charchannel0,host=127.0.0.1,port=$CHR_PORT,reconnect=10 \
         -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=vchannel"
 
 return 0

src/server.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+: "${COM_PORT:="2210"}"    # Comm port
+: "${MON_PORT:="7100"}"    # Monitor port
+: "${WEB_PORT:="5000"}"    # Webserver port
+: "${CHR_PORT:="12345"}"   # Character port
+: "${WSD_PORT:="8004"}"    # Websockets port
+
+cp -r /var/www/* /run/shm
+rm -f /var/run/websocketd.pid
+
+html "Starting $APP for $ENGINE..."
+
+if [[ "${WEB:-}" != [Nn]* ]]; then
+
+  mkdir -p /etc/nginx/sites-enabled
+  cp /etc/nginx/default.conf /etc/nginx/sites-enabled/web.conf
+
+  sed -i "s/listen 5000 default_server;/listen $WEB_PORT default_server;/g" /etc/nginx/sites-enabled/web.conf
+  sed -i "s/proxy_pass http:\/\/127.0.0.1:8004\/;/proxy_pass http:\/\/127.0.0.1:$WSD_PORT\/;/g" /etc/nginx/sites-enabled/web.conf
+
+  # shellcheck disable=SC2143
+  if [ -f /proc/net/if_inet6 ] && [ -n "$(ifconfig -a | grep inet6)" ]; then
+
+    sed -i "s/listen $WEB_PORT default_server;/listen [::]:$WEB_PORT default_server ipv6only=off;/g" /etc/nginx/sites-enabled/web.conf
+
+  fi
+
+  # Start webserver
+  nginx -e stderr
+
+  # Start websocket server
+  websocketd --address 127.0.0.1 --port="$WSD_PORT" /run/socket.sh >/var/log/websocketd.log &
+  echo "$!" > /var/run/websocketd.pid
+
+fi
+
+return 0

src/socket.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+path="/run/shm/msg.html"
+
+if [ -f "$path" ] && [ -s "$path" ]; then
+  echo -n "s: " && cat "$path"
+fi
+
+inotifywait -m "$path" |
+  while read -r fp event fn; do
+    case "${event,,}" in
+      "modify"* ) echo -n "s: " && cat "$path" ;;
+      "delete_self" ) echo "c: vnc" ;;
+    esac    
+  done

src/start.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+# You can override this hook to execute a script before startup!
+
+return 0

src/utils.sh

@@ -126,8 +126,8 @@ cpu() {
   cpu="${cpu// [0-9] Core}"
   cpu="${cpu// [0-9][0-9] Core}"
   cpu="${cpu// [0-9][0-9][0-9] Core}"
-  cpu="${cpu// [0-9]th Gen}"
+  cpu="${cpu//[0-9]th Gen }"
-  cpu="${cpu// [0-9][0-9]th Gen}"
+  cpu="${cpu//[0-9][0-9]th Gen }"
   cpu="${cpu// Processor/}"
   cpu="${cpu// Quad core/}"
   cpu="${cpu// Dual core/}"
@@ -159,4 +159,65 @@ hasDisk() {
   return 1
 }
 
+getCountry() {
+  local url=$1
+  local query=$2
+  local rc json result
+
+  { json=$(curl -m 5 -H "Accept: application/json" -sfk "$url"); rc=$?; } || :
+  (( rc != 0 )) && return 0
+
+  { result=$(echo "$json" | jq -r "$query" 2> /dev/null); rc=$?; } || :
+  (( rc != 0 )) && return 0
+
+  [[ ${#result} -ne 2 ]] && return 0
+  [[ "${result^^}" == "XX" ]] && return 0
+
+  COUNTRY="${result^^}"
+
+  return 0
+}
+
+setCountry() {
+
+  [[ "${TZ,,}" == "asia/harbin" ]] && COUNTRY="CN"
+  [[ "${TZ,,}" == "asia/beijing" ]] && COUNTRY="CN"
+  [[ "${TZ,,}" == "asia/urumqi" ]] && COUNTRY="CN"
+  [[ "${TZ,,}" == "asia/kashgar" ]] && COUNTRY="CN"
+  [[ "${TZ,,}" == "asia/shanghai" ]] && COUNTRY="CN"
+  [[ "${TZ,,}" == "asia/chongqing" ]] && COUNTRY="CN"
+
+  [ -z "$COUNTRY" ] && getCountry "https://api.ipapi.is" ".location.country_code"
+  [ -z "$COUNTRY" ] && getCountry "https://ifconfig.co/json" ".country_iso"
+  [ -z "$COUNTRY" ] && getCountry "https://api.ip2location.io" ".country_code"
+  [ -z "$COUNTRY" ] && getCountry "https://ipinfo.io/json" ".country"
+  [ -z "$COUNTRY" ] && getCountry "https://api.ipquery.io/?format=json" ".location.country_code" 
+  [ -z "$COUNTRY" ] && getCountry "https://api.myip.com" ".cc"
+
+  return 0
+}
+
+addPackage() {
+  local pkg=$1
+  local desc=$2
+
+  if apt-mark showinstall | grep -qx "$pkg"; then
+    return 0
+  fi
+
+  MSG="Installing $desc..."
+  info "$MSG" && html "$MSG"
+
+  [ -z "$COUNTRY" ] && setCountry
+
+  if [[ "${COUNTRY^^}" == "CN" ]]; then
+    sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/debian.sources
+  fi
+
+  DEBIAN_FRONTEND=noninteractive apt-get -qq update
+  DEBIAN_FRONTEND=noninteractive apt-get -qq --no-install-recommends -y install "$pkg" > /dev/null
+
+  return 0
+}
+
 return 0

web/conf/nginx.conf

@@ -27,4 +27,18 @@ server {
       index index.html;
 
     }
+
+    location /status {
+
+      proxy_http_version 1.1;
+
+      proxy_set_header Connection 'upgrade';
+      proxy_set_header Upgrade $http_upgrade;
+
+      proxy_buffering off;
+      proxy_read_timeout 3600s;
+      proxy_send_timeout 3600s;
+
+      proxy_pass http://127.0.0.1:8004/;
+    }    
 }

web/js/script.js

@@ -1,4 +1,5 @@
 var request;
+var booting = false;
 var interval = 1000;
 
 function getInfo() {
@@ -6,7 +7,6 @@ function getInfo() {
     var url = "msg.html";
 
     try {
-
         if (window.XMLHttpRequest) {
             request = new XMLHttpRequest();
         } else {
@@ -18,22 +18,49 @@ function getInfo() {
         request.send();
 
     } catch (e) {
-        var err = "Error: " + e.message;
+        setError("Error: " + e.message);
-        console.log(err);
-        setError(err);
     }
 }
 
+function getURL() {
+
+    var protocol = window.location.protocol === "https:" ? "wss:" : "ws:";
+    var path = window.location.pathname.replace(/[^/]*$/, '').replace(/\/$/, '');
+
+    return protocol + "//" + window.location.host + path;
+}
+
+function processMsg(msg) {
+
+    if (msg.toLowerCase().indexOf("href=") !== -1) {
+        var div = document.createElement("div");
+        div.innerHTML = msg;
+        var url = div.querySelector("a").href;
+        setTimeout(() => {
+            window.location.assign(url);
+        }, 3000);
+    }
+
+    setInfo(msg);
+    return true;
+}
+
 function processInfo() {
     try {
+
         if (request.readyState != 4) {
             return true;
         }
 
         var msg = request.responseText;
         if (msg == null || msg.length == 0) {
-            setInfo("Booting DSM instance", true);
+
-            schedule();
+            if (booting) {
+                schedule();
+                return true;
+            }
+
+            window.location.reload();
             return false;
         }
 
@@ -43,20 +70,11 @@ function processInfo() {
             if (msg.toLowerCase().indexOf("<html>") !== -1) {
                 notFound = true;
             } else {
-                if (msg.toLowerCase().indexOf("href=") !== -1) {
+                processMsg(msg);
-                    var div = document.createElement("div");
+                if (msg.toLowerCase().indexOf("href=") == -1) {
-                    div.innerHTML = msg;
-                    var url = div.querySelector("a").href;
-                    setTimeout(() => {
-                        window.location.assign(url);
-                    }, 3000);
-                    setInfo(msg);
-                    return true;
-                } else {
-                    setInfo(msg);
                     schedule();
-                    return true;
                 }
+                return true;
             }
         }
 
@@ -67,31 +85,38 @@ function processInfo() {
         }
 
         setError("Error: Received statuscode " + request.status);
-        schedule();
         return false;
 
     } catch (e) {
-        var err = "Error: " + e.message;
+        setError("Error: " + e.message);
-        console.log(err);
-        setError(err);
         return false;
     }
 }
 
 function setInfo(msg, loading, error) {
-
     try {
+
         if (msg == null || msg.length == 0) {
             return false;
         }
 
-        var el = document.getElementById("spinner");
+        if (msg.includes("Booting ")) {
+            booting = true;
+        }
+
+        var el = document.getElementById("info");
+
+        if (el.innerText == msg || el.innerHTML == msg) {
+            return true;
+        }
+
+        var spin = document.getElementById("spinner");
 
         error = !!error;
         if (!error) {
-            el.style.visibility = 'visible';
+            spin.style.visibility = 'visible';
         } else {
-            el.style.visibility = 'hidden';
+            spin.style.visibility = 'hidden';
         }
 
         loading = !!loading;
@@ -99,12 +124,7 @@ function setInfo(msg, loading, error) {
             msg = "<p class=\"loading\">" + msg + "</p>";
         }
 
-        el = document.getElementById("info");
+        el.innerHTML = msg;
-
-        if (el.innerHTML != msg) {
-            el.innerHTML = msg;
-        }
-
         return true;
 
     } catch (e) {
@@ -114,6 +134,7 @@ function setInfo(msg, loading, error) {
 }
 
 function setError(text) {
+    console.warn(text);
     return setInfo(text, false, true);
 }
 
@@ -123,8 +144,47 @@ function schedule() {
 
 function reload() {
     setTimeout(() => {
-        document.location.reload();
+        window.location.reload();
     }, 3000);
 }
 
+function connect() {
+
+    var wsUrl = getURL() + "/status";
+    var ws = new WebSocket(wsUrl);
+
+    ws.onmessage = function(e) {
+
+        var pos = e.data.indexOf(":");
+        var cmd = e.data.substring(0, pos);
+        var msg = e.data.substring(pos + 2);
+
+        switch (cmd) {
+            case "s":
+                processMsg(msg);
+                break;
+            case "e":
+                setError(msg);
+                break;
+            default:
+                console.warn("Unknown event: " + cmd);
+                break;
+        }
+    };
+
+    ws.onclose = function(e) {
+        setTimeout(function() {
+            connect();
+        }, interval);
+    };
+
+    ws.onerror = function(e) {
+        ws.close();
+        if (!booting) {
+            window.location.reload();
+        }
+    };
+}
+
 schedule();
+connect();