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Implement serial emulator

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This commit is contained in:
Kroese 2023-03-27 01:20:30 +02:00
parent 720d8ac704
commit 542ee066e0
3 changed files with 19 additions and 12 deletions
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4
Dockerfile
View File

@ -20,13 +20,13 @@ COPY generate-dhcpd-conf /run/
COPY qemu-ifdown /run/
COPY qemu-ifup /run/
COPY run.sh /run/
COPY --from=builder /src/vdsm-serial/main /run/
COPY --from=builder /src/vdsm-serial/main /run/serial.bin
RUN ["chmod", "+x", "/run/generate-dhcpd-conf"]
RUN ["chmod", "+x", "/run/qemu-ifdown"]
RUN ["chmod", "+x", "/run/qemu-ifup"]
RUN ["chmod", "+x", "/run/run.sh"]
RUN ["chmod", "+x", "/run/main"]
RUN ["chmod", "+x", "/run/serial.bin"]
VOLUME /images

19
run.sh
View File

@ -1,5 +1,7 @@
#!/usr/bin/env bash
echo "Booting Synology DSM for Docker..."
FILE="/images/boot.img"
if [ ! -f "$FILE" ]; then
echo "ERROR: Synology DSM boot-image does not exist ($FILE)"
@ -22,7 +24,6 @@ if [ ! -f "$FILE" ]; then
exit 2
fi
# A bridge of this name will be created to host the TAP interface created for
# the VM
QEMU_BRIDGE='qemubr0'
@ -70,16 +71,28 @@ touch /var/lib/misc/udhcpd.leases
# Finally, start our DHCPD server
udhcpd -I $DUMMY_DHCPD_IP -f $DHCPD_CONF_FILE &
echo "Launching Synology Serial Emulator..."
# Start the Synology Serial Emulator
./run/serial.bin -vmmversion "2.6.1-12139" -buildnumber 42962 -vmmts 1650802981032 -cpu 1 -cpu_arch string "QEMU, Virtual CPU, X86_64" -guestsn "0000000000000" -hostsn "0000000000000" -guestuuid "ba13a19a-c0c1-4fef-9346-915ed3b98341" &
echo "Booting OS..."
# And run the VM! A brief explaination of the options here:
# -enable-kvm: Use KVM for this VM (much faster for our case).
# -nographic: disable SDL graphics.
# -serial mon:stdio: use "monitored stdio" as our serial output.
exec qemu-system-x86_64 -enable-kvm -nographic -serial mon:stdio \
exec qemu-system-x86_64 -name Synology -enable-kvm -nographic -serial mon:stdio \
"$@" \
-device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 \
-device isa-serial,chardev=charserial0,id=serial0 -chardev socket,id=charchannel0,host=127.0.0.1,port=12345,reconnect=10 \
-device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=vchannel \
-device virtio-net,netdev=tap0 -netdev tap,id=tap0,ifname=Tap,script=$QEMU_IFUP,downscript=$QEMU_IFDOWN \
-device virtio-scsi-pci,id=hw-synoboot,bus=pci.0,addr=0xa -drive file=/images/boot.img,if=none,id=drive-synoboot,format=raw,cache=none,aio=native,detect-zeroes=on \
-device scsi-hd,bus=hw-synoboot.0,channel=0,scsi-id=0,lun=0,drive=drive-synoboot,id=synoboot0,bootindex=1 \
-device virtio-scsi-pci,id=hw-synosys,bus=pci.0,addr=0xb -drive file=/images/system.img,if=none,id=drive-synosys,format=raw,cache=none,aio=native,detect-zeroes=on \
-device scsi-hd,bus=hw-synosys.0,channel=0,scsi-id=0,lun=0,drive=drive-synosys,id=synosys0,bootindex=2 \
-device virtio-scsi-pci,id=hw-userdata,bus=pci.0,addr=0xc -drive file=/images/data.img,if=none,id=drive-userdata,format=raw,cache=none,aio=native,detect-zeroes=on \
-device scsi-hd,bus=hw-userdata.0,channel=0,scsi-id=0,lun=0,drive=drive-userdata,id=userdata0,bootindex=3
-device scsi-hd,bus=hw-userdata.0,channel=0,scsi-id=0,lun=0,drive=drive-userdata,id=userdata0,bootindex=3 \
-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2

8
vdsm-serial/main.go
View File

@ -8,7 +8,6 @@ import (
"log"
"net"
"strconv"
"time"
)
type REQ struct {
@ -44,13 +43,8 @@ var ListenAddr = flag.String("addr", "0.0.0.0:12345", "Listen address")
func main() {
flag.Parse()
log.Println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!")
log.Println("!!! Just for experimental, please delete it after 24 hour !!!")
log.Println("!!! See https://jxcn.org for update. !!!")
log.Println("!!! This program will be unavailable after 2022-12-31 !!!")
log.Println("!!! Synology Serial Emulator created by https://jxcn.org !!!")
log.Println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!")
if time.Now().Year() >= 2023 {
log.Panic("Expired")
}
listener, err := net.Listen("tcp", *ListenAddr)
if err != nil {
log.Println("Error listening", err.Error())