establish trunk format

This commit is contained in:
Thomas Göttgens
2023-03-31 13:12:30 +02:00
parent 78f85efe56
commit 7e6f13f0a2
62 changed files with 3856 additions and 2664 deletions

View File

@@ -1,11 +1,14 @@
import datetime
import logging
import sys
import meshtastic
import datetime, logging
from pubsub import pub
#logging.basicConfig(level=logging.DEBUG)
import meshtastic
# logging.basicConfig(level=logging.DEBUG)
print(str(datetime.datetime.now()) + ": start")
interface = meshtastic.TCPInterface(sys.argv[1])
print(str(datetime.datetime.now()) + ": middle")
interface.close()
print(str(datetime.datetime.now()) + ": after close")
print(str(datetime.datetime.now()) + ": after close")

View File

@@ -1,6 +1,9 @@
import meshtastic
import time
interface = meshtastic.SerialInterface() # By default will try to find a meshtastic device, otherwise provide a device path like /dev/ttyUSB0
import meshtastic
interface = (
meshtastic.SerialInterface()
) # By default will try to find a meshtastic device, otherwise provide a device path like /dev/ttyUSB0
interface.sendText("hello mesh")
interface.close()

View File

@@ -1,10 +1,18 @@
# reported by @ScriptBlock
import meshtastic, sys
import sys
from pubsub import pub
def onConnection(interface, topic=pub.AUTO_TOPIC): # called when we (re)connect to the radio
import meshtastic
def onConnection(
interface, topic=pub.AUTO_TOPIC
): # called when we (re)connect to the radio
print(interface.myInfo)
interface.close()
pub.subscribe(onConnection, "meshtastic.connection.established")
interface = meshtastic.TCPInterface(sys.argv[1])

View File

@@ -8,15 +8,16 @@
# select local ip address based on nodeid
# print known node ids as IP addresses
from pytap2 import TapDevice
import logging
from _thread import start_new_thread
from pytap2 import TapDevice
"""A list of chatty UDP services we should never accidentally
forward to our slow network"""
udpBlacklist = {
1900, # SSDP
5353, # multicast DNS
1900, # SSDP
5353, # multicast DNS
}
"""A list of TCP services to block"""
@@ -24,22 +25,26 @@ tcpBlacklist = {}
"""A list of protocols we ignore"""
protocolBlacklist = {
0x02, # IGMP
0x80, # Service-Specific Connection-Oriented Protocol in a Multilink and Connectionless Environment
0x02, # IGMP
0x80, # Service-Specific Connection-Oriented Protocol in a Multilink and Connectionless Environment
}
def hexstr(barray):
"""Print a string of hex digits"""
return ":".join('{:02x}'.format(x) for x in barray)
return ":".join("{:02x}".format(x) for x in barray)
def ipstr(barray):
"""Print a string of ip digits"""
return ".".join('{}'.format(x) for x in barray)
return ".".join("{}".format(x) for x in barray)
def readnet_u16(p, offset):
"""Read big endian u16 (network byte order)"""
return p[offset] * 256 + p[offset + 1]
def readtest(tap):
while True:
p = tap.read()
@@ -48,23 +53,23 @@ def readtest(tap):
srcaddr = p[12:16]
destaddr = p[16:20]
subheader = 20
ignore = False # Assume we will be forwarding the packet
ignore = False # Assume we will be forwarding the packet
if protocol in protocolBlacklist:
ignore = True
logging.debug(f"Ignoring blacklisted protocol 0x{protocol:02x}")
elif protocol == 0x01: # ICMP
elif protocol == 0x01: # ICMP
logging.warn("Generating fake ping reply")
# reply to pings (swap src and dest but keep rest of packet unchanged)
pingback = p[:12]+p[16:20]+p[12:16]+p[20:]
pingback = p[:12] + p[16:20] + p[12:16] + p[20:]
tap.write(pingback)
elif protocol == 0x11: # UDP
elif protocol == 0x11: # UDP
srcport = readnet_u16(p, subheader)
destport = readnet_u16(p, subheader + 2)
logging.debug(f"udp srcport={srcport}, destport={destport}")
if destport in udpBlacklist:
ignore = True
logging.debug(f"ignoring blacklisted UDP port {destport}")
elif protocol == 0x06: # TCP
elif protocol == 0x06: # TCP
srcport = readnet_u16(p, subheader)
destport = readnet_u16(p, subheader + 2)
logging.debug(f"tcp srcport={srcport}, destport={destport}")
@@ -72,22 +77,23 @@ def readtest(tap):
ignore = True
logging.debug(f"ignoring blacklisted TCP port {destport}")
else:
logging.warning(f"unexpected protocol 0x{protocol:02x}, src={ipstr(srcaddr)}, dest={ipstr(destaddr)}")
logging.warning(
f"unexpected protocol 0x{protocol:02x}, src={ipstr(srcaddr)}, dest={ipstr(destaddr)}"
)
if not ignore:
logging.debug(f"Forwarding packet bytelen={len(p)} src={ipstr(srcaddr)}, dest={ipstr(destaddr)}")
logging.debug(
f"Forwarding packet bytelen={len(p)} src={ipstr(srcaddr)}, dest={ipstr(destaddr)}"
)
logging.basicConfig(level=logging.DEBUG)
tun = TapDevice(mtu=200)
# tun.create()
tun.up()
tun.ifconfig(address="10.115.1.2",netmask="255.255.0.0")
tun.ifconfig(address="10.115.1.2", netmask="255.255.0.0")
start_new_thread(readtest,(tun,))
start_new_thread(readtest, (tun,))
input("press return key to quit!")
tun.close()