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Indentation and formatting cleanup

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This commit is contained in:
Mark Qvist 2020-08-13 12:15:56 +02:00
parent e4dfd052e6
commit bd098c338a
17 changed files with 4477 additions and 4477 deletions
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108
Examples/Broadcast.py
View File

@ -15,52 +15,52 @@ APP_NAME = "example_utilitites"
# This initialisation is executed when the program is started
def program_setup(configpath, channel=None):
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# If the user did not select a "channel" we use
# a default one called "public_information".
# This "channel" is added to the destination name-
# space, so the user can select different broadcast
# channels.
if channel == None:
channel = "public_information"
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# If the user did not select a "channel" we use
# a default one called "public_information".
# This "channel" is added to the destination name-
# space, so the user can select different broadcast
# channels.
if channel == None:
channel = "public_information"
# We create a PLAIN destination. This is an uncencrypted endpoint
# that anyone can listen to and send information to.
broadcast_destination = RNS.Destination(None, RNS.Destination.IN, RNS.Destination.PLAIN, APP_NAME, "broadcast", channel)
# We create a PLAIN destination. This is an uncencrypted endpoint
# that anyone can listen to and send information to.
broadcast_destination = RNS.Destination(None, RNS.Destination.IN, RNS.Destination.PLAIN, APP_NAME, "broadcast", channel)
# We specify a callback that will get called every time
# the destination receives data.
broadcast_destination.packet_callback(packet_callback)
# Everything's ready!
# Let's hand over control to the main loop
broadcastLoop(broadcast_destination)
# We specify a callback that will get called every time
# the destination receives data.
broadcast_destination.packet_callback(packet_callback)
# Everything's ready!
# Let's hand over control to the main loop
broadcastLoop(broadcast_destination)
def packet_callback(data, packet):
# Simply print out the received data
print("")
print("Received data: "+data.decode("utf-8")+"\r\n> ", end="")
sys.stdout.flush()
# Simply print out the received data
print("")
print("Received data: "+data.decode("utf-8")+"\r\n> ", end="")
sys.stdout.flush()
def broadcastLoop(destination):
# Let the user know that everything is ready
RNS.log("Broadcast example "+RNS.prettyhexrep(destination.hash)+" running, enter text and hit enter to broadcast (Ctrl-C to quit)")
# Let the user know that everything is ready
RNS.log("Broadcast example "+RNS.prettyhexrep(destination.hash)+" running, enter text and hit enter to broadcast (Ctrl-C to quit)")
# We enter a loop that runs until the users exits.
# If the user hits enter, we will send the information
# that the user entered into the prompt.
while True:
print("> ", end="")
entered = input()
# We enter a loop that runs until the users exits.
# If the user hits enter, we will send the information
# that the user entered into the prompt.
while True:
print("> ", end="")
entered = input()
if entered != "":
data = entered.encode("utf-8")
packet = RNS.Packet(destination, data)
packet.send()
if entered != "":
data = entered.encode("utf-8")
packet = RNS.Packet(destination, data)
packet.send()
##########################################################
#### Program Startup #####################################
@ -70,24 +70,24 @@ def broadcastLoop(destination):
# and parses input from the user, and then starts
# the program.
if __name__ == "__main__":
try:
parser = argparse.ArgumentParser(description="Reticulum example that demonstrates sending and receiving unencrypted broadcasts")
parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
parser.add_argument("--channel", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
args = parser.parse_args()
try:
parser = argparse.ArgumentParser(description="Reticulum example that demonstrates sending and receiving unencrypted broadcasts")
parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
parser.add_argument("--channel", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
args = parser.parse_args()
if args.config:
configarg = args.config
else:
configarg = None
if args.config:
configarg = args.config
else:
configarg = None
if args.channel:
channelarg = args.channel
else:
channelarg = None
if args.channel:
channelarg = args.channel
else:
channelarg = None
program_setup(configarg, channelarg)
program_setup(configarg, channelarg)
except KeyboardInterrupt:
print("")
exit()
except KeyboardInterrupt:
print("")
exit()

296
Examples/Echo.py
View File

@ -22,56 +22,56 @@ APP_NAME = "example_utilitites"
# This initialisation is executed when the users chooses
# to run as a server
def server(configpath):
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# Randomly create a new identity for our echo server
server_identity = RNS.Identity()
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# Randomly create a new identity for our echo server
server_identity = RNS.Identity()
# We create a destination that clients can query. We want
# to be able to verify echo replies to our clients, so we
# create a "single" destination that can receive encrypted
# messages. This way the client can send a request and be
# certain that no-one else than this destination was able
# to read it.
echo_destination = RNS.Destination(server_identity, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "echo", "request")
# We create a destination that clients can query. We want
# to be able to verify echo replies to our clients, so we
# create a "single" destination that can receive encrypted
# messages. This way the client can send a request and be
# certain that no-one else than this destination was able
# to read it.
echo_destination = RNS.Destination(server_identity, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "echo", "request")
# We configure the destination to automatically prove all
# packets adressed to it. By doing this, RNS will automatically
# generate a proof for each incoming packet and transmit it
# back to the sender of that packet.
echo_destination.set_proof_strategy(RNS.Destination.PROVE_ALL)
# Tell the destination which function in our program to
# run when a packet is received. We do this so we can
# print a log message when the server receives a request
echo_destination.packet_callback(server_callback)
# We configure the destination to automatically prove all
# packets adressed to it. By doing this, RNS will automatically
# generate a proof for each incoming packet and transmit it
# back to the sender of that packet.
echo_destination.set_proof_strategy(RNS.Destination.PROVE_ALL)
# Tell the destination which function in our program to
# run when a packet is received. We do this so we can
# print a log message when the server receives a request
echo_destination.packet_callback(server_callback)
# Everything's ready!
# Let's Wait for client requests or user input
announceLoop(echo_destination)
# Everything's ready!
# Let's Wait for client requests or user input
announceLoop(echo_destination)
def announceLoop(destination):
# Let the user know that everything is ready
RNS.log("Echo server "+RNS.prettyhexrep(destination.hash)+" running, hit enter to manually send an announce (Ctrl-C to quit)")
# Let the user know that everything is ready
RNS.log("Echo server "+RNS.prettyhexrep(destination.hash)+" running, hit enter to manually send an announce (Ctrl-C to quit)")
# We enter a loop that runs until the users exits.
# If the user hits enter, we will announce our server
# destination on the network, which will let clients
# know how to create messages directed towards it.
while True:
entered = input()
destination.announce()
RNS.log("Sent announce from "+RNS.prettyhexrep(destination.hash))
# We enter a loop that runs until the users exits.
# If the user hits enter, we will announce our server
# destination on the network, which will let clients
# know how to create messages directed towards it.
while True:
entered = input()
destination.announce()
RNS.log("Sent announce from "+RNS.prettyhexrep(destination.hash))
def server_callback(message, packet):
# Tell the user that we received an echo request, and
# that we are going to send a reply to the requester.
# Sending the proof is handled automatically, since we
# set up the destination to prove all incoming packets.
RNS.log("Received packet from echo client, proof sent")
# Tell the user that we received an echo request, and
# that we are going to send a reply to the requester.
# Sending the proof is handled automatically, since we
# set up the destination to prove all incoming packets.
RNS.log("Received packet from echo client, proof sent")
##########################################################
@ -81,103 +81,103 @@ def server_callback(message, packet):
# This initialisation is executed when the users chooses
# to run as a client
def client(destination_hexhash, configpath, timeout=None):
# We need a binary representation of the destination
# hash that was entered on the command line
try:
if len(destination_hexhash) != 20:
raise ValueError("Destination length is invalid, must be 20 hexadecimal characters (10 bytes)")
destination_hash = bytes.fromhex(destination_hexhash)
except:
RNS.log("Invalid destination entered. Check your input!\n")
exit()
# We need a binary representation of the destination
# hash that was entered on the command line
try:
if len(destination_hexhash) != 20:
raise ValueError("Destination length is invalid, must be 20 hexadecimal characters (10 bytes)")
destination_hash = bytes.fromhex(destination_hexhash)
except:
RNS.log("Invalid destination entered. Check your input!\n")
exit()
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# We override the loglevel to provide feedback when
# an announce is received
if RNS.loglevel < RNS.LOG_INFO:
RNS.loglevel = RNS.LOG_INFO
# We override the loglevel to provide feedback when
# an announce is received
if RNS.loglevel < RNS.LOG_INFO:
RNS.loglevel = RNS.LOG_INFO
# Tell the user that the client is ready!
RNS.log("Echo client ready, hit enter to send echo request to "+destination_hexhash+" (Ctrl-C to quit)")
# Tell the user that the client is ready!
RNS.log("Echo client ready, hit enter to send echo request to "+destination_hexhash+" (Ctrl-C to quit)")
# We enter a loop that runs until the user exits.
# If the user hits enter, we will try to send an
# echo request to the destination specified on the
# command line.
while True:
input()
# Let's first check if RNS knows a path to the destination.
# If it does, we'll load the server identity and create a packet
if RNS.Transport.hasPath(destination_hash):
# We enter a loop that runs until the user exits.
# If the user hits enter, we will try to send an
# echo request to the destination specified on the
# command line.
while True:
input()
# Let's first check if RNS knows a path to the destination.
# If it does, we'll load the server identity and create a packet
if RNS.Transport.hasPath(destination_hash):
# To address the server, we need to know it's public
# key, so we check if Reticulum knows this destination.
# This is done by calling the "recall" method of the
# Identity module. If the destination is known, it will
# return an Identity instance that can be used in
# outgoing destinations.
server_identity = RNS.Identity.recall(destination_hash)
# To address the server, we need to know it's public
# key, so we check if Reticulum knows this destination.
# This is done by calling the "recall" method of the
# Identity module. If the destination is known, it will
# return an Identity instance that can be used in
# outgoing destinations.
server_identity = RNS.Identity.recall(destination_hash)
# We got the correct identity instance from the
# recall method, so let's create an outgoing
# destination. We use the naming convention:
# example_utilities.echo.request
# This matches the naming we specified in the
# server part of the code.
request_destination = RNS.Destination(server_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, APP_NAME, "echo", "request")
# We got the correct identity instance from the
# recall method, so let's create an outgoing
# destination. We use the naming convention:
# example_utilities.echo.request
# This matches the naming we specified in the
# server part of the code.
request_destination = RNS.Destination(server_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, APP_NAME, "echo", "request")
# The destination is ready, so let's create a packet.
# We set the destination to the request_destination
# that was just created, and the only data we add
# is a random hash.
echo_request = RNS.Packet(request_destination, RNS.Identity.getRandomHash())
# The destination is ready, so let's create a packet.
# We set the destination to the request_destination
# that was just created, and the only data we add
# is a random hash.
echo_request = RNS.Packet(request_destination, RNS.Identity.getRandomHash())
# Send the packet! If the packet is successfully
# sent, it will return a PacketReceipt instance.
packet_receipt = echo_request.send()
# Send the packet! If the packet is successfully
# sent, it will return a PacketReceipt instance.
packet_receipt = echo_request.send()
# If the user specified a timeout, we set this
# timeout on the packet receipt, and configure
# a callback function, that will get called if
# the packet times out.
if timeout != None:
packet_receipt.set_timeout(timeout)
packet_receipt.timeout_callback(packet_timed_out)
# If the user specified a timeout, we set this
# timeout on the packet receipt, and configure
# a callback function, that will get called if
# the packet times out.
if timeout != None:
packet_receipt.set_timeout(timeout)
packet_receipt.timeout_callback(packet_timed_out)
# We can then set a delivery callback on the receipt.
# This will get automatically called when a proof for
# this specific packet is received from the destination.
packet_receipt.delivery_callback(packet_delivered)
# We can then set a delivery callback on the receipt.
# This will get automatically called when a proof for
# this specific packet is received from the destination.
packet_receipt.delivery_callback(packet_delivered)
# Tell the user that the echo request was sent
RNS.log("Sent echo request to "+RNS.prettyhexrep(request_destination.hash))
else:
# If we do not know this destination, tell the
# user to wait for an announce to arrive.
RNS.log("Destination is not yet known. Requesting path...")
RNS.Transport.requestPath(destination_hash)
# Tell the user that the echo request was sent
RNS.log("Sent echo request to "+RNS.prettyhexrep(request_destination.hash))
else:
# If we do not know this destination, tell the
# user to wait for an announce to arrive.
RNS.log("Destination is not yet known. Requesting path...")
RNS.Transport.requestPath(destination_hash)
# This function is called when our reply destination
# receives a proof packet.
def packet_delivered(receipt):
if receipt.status == RNS.PacketReceipt.DELIVERED:
rtt = receipt.rtt()
if (rtt >= 1):
rtt = round(rtt, 3)
rttstring = str(rtt)+" seconds"
else:
rtt = round(rtt*1000, 3)
rttstring = str(rtt)+" milliseconds"
if receipt.status == RNS.PacketReceipt.DELIVERED:
rtt = receipt.rtt()
if (rtt >= 1):
rtt = round(rtt, 3)
rttstring = str(rtt)+" seconds"
else:
rtt = round(rtt*1000, 3)
rttstring = str(rtt)+" milliseconds"
RNS.log("Valid reply received from "+RNS.prettyhexrep(receipt.destination.hash)+", round-trip time is "+rttstring)
RNS.log("Valid reply received from "+RNS.prettyhexrep(receipt.destination.hash)+", round-trip time is "+rttstring)
# This function is called if a packet times out.
def packet_timed_out(receipt):
if receipt.status == RNS.PacketReceipt.FAILED:
RNS.log("Packet "+RNS.prettyhexrep(receipt.hash)+" timed out")
if receipt.status == RNS.PacketReceipt.FAILED:
RNS.log("Packet "+RNS.prettyhexrep(receipt.hash)+" timed out")
##########################################################
@ -188,36 +188,36 @@ def packet_timed_out(receipt):
# and parses input from the user, and then starts
# the desired program mode.
if __name__ == "__main__":
try:
parser = argparse.ArgumentParser(description="Simple echo server and client utility")
parser.add_argument("-s", "--server", action="store_true", help="wait for incoming packets from clients")
parser.add_argument("-t", "--timeout", action="store", metavar="s", default=None, help="set a reply timeout in seconds", type=float)
parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
parser.add_argument("destination", nargs="?", default=None, help="hexadecimal hash of the server destination", type=str)
args = parser.parse_args()
try:
parser = argparse.ArgumentParser(description="Simple echo server and client utility")
parser.add_argument("-s", "--server", action="store_true", help="wait for incoming packets from clients")
parser.add_argument("-t", "--timeout", action="store", metavar="s", default=None, help="set a reply timeout in seconds", type=float)
parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
parser.add_argument("destination", nargs="?", default=None, help="hexadecimal hash of the server destination", type=str)
args = parser.parse_args()
if args.server:
configarg=None
if args.config:
configarg = args.config
server(configarg)
else:
if args.config:
configarg = args.config
else:
configarg = None
if args.server:
configarg=None
if args.config:
configarg = args.config
server(configarg)
else:
if args.config:
configarg = args.config
else:
configarg = None
if args.timeout:
timeoutarg = float(args.timeout)
else:
timeoutarg = None
if args.timeout:
timeoutarg = float(args.timeout)
else:
timeoutarg = None
if (args.destination == None):
print("")
parser.print_help()
print("")
else:
client(args.destination, configarg, timeout=timeoutarg)
except KeyboardInterrupt:
print("")
exit()
if (args.destination == None):
print("")
parser.print_help()
print("")
else:
client(args.destination, configarg, timeout=timeoutarg)
except KeyboardInterrupt:
print("")
exit()

678
Examples/Filetransfer.py
View File

@ -42,132 +42,132 @@ serve_path = None
# This initialisation is executed when the users chooses
# to run as a server
def server(configpath, path):
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# Randomly create a new identity for our file server
server_identity = RNS.Identity()
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# Randomly create a new identity for our file server
server_identity = RNS.Identity()
global serve_path
serve_path = path
global serve_path
serve_path = path
# We create a destination that clients can connect to. We
# want clients to create links to this destination, so we
# need to create a "single" destination type.
server_destination = RNS.Destination(server_identity, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "filetransfer", "server")
# We create a destination that clients can connect to. We
# want clients to create links to this destination, so we
# need to create a "single" destination type.
server_destination = RNS.Destination(server_identity, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "filetransfer", "server")
# We configure a function that will get called every time
# a new client creates a link to this destination.
server_destination.link_established_callback(client_connected)
# We configure a function that will get called every time
# a new client creates a link to this destination.
server_destination.link_established_callback(client_connected)
# Everything's ready!
# Let's Wait for client requests or user input
announceLoop(server_destination)
# Everything's ready!
# Let's Wait for client requests or user input
announceLoop(server_destination)
def announceLoop(destination):
# Let the user know that everything is ready
RNS.log("File server "+RNS.prettyhexrep(destination.hash)+" running")
RNS.log("Hit enter to manually send an announce (Ctrl-C to quit)")
# Let the user know that everything is ready
RNS.log("File server "+RNS.prettyhexrep(destination.hash)+" running")
RNS.log("Hit enter to manually send an announce (Ctrl-C to quit)")
# We enter a loop that runs until the users exits.
# If the user hits enter, we will announce our server
# destination on the network, which will let clients
# know how to create messages directed towards it.
while True:
entered = input()
destination.announce()
RNS.log("Sent announce from "+RNS.prettyhexrep(destination.hash))
# We enter a loop that runs until the users exits.
# If the user hits enter, we will announce our server
# destination on the network, which will let clients
# know how to create messages directed towards it.
while True:
entered = input()
destination.announce()
RNS.log("Sent announce from "+RNS.prettyhexrep(destination.hash))
# Here's a convenience function for listing all files
# in our served directory
def list_files():
# We add all entries from the directory that are
# actual files, and does not start with "."
global serve_path
return [file for file in os.listdir(serve_path) if os.path.isfile(os.path.join(serve_path, file)) and file[:1] != "."]
# We add all entries from the directory that are
# actual files, and does not start with "."
global serve_path
return [file for file in os.listdir(serve_path) if os.path.isfile(os.path.join(serve_path, file)) and file[:1] != "."]
# When a client establishes a link to our server
# destination, this function will be called with
# a reference to the link. We then send the client
# a list of files hosted on the server.
def client_connected(link):
# Check if the served directory still exists
if os.path.isdir(serve_path):
RNS.log("Client connected, sending file list...")
# Check if the served directory still exists
if os.path.isdir(serve_path):
RNS.log("Client connected, sending file list...")
link.link_closed_callback(client_disconnected)
link.link_closed_callback(client_disconnected)
# We pack a list of files for sending in a packet
data = umsgpack.packb(list_files())
# We pack a list of files for sending in a packet
data = umsgpack.packb(list_files())
# Check the size of the packed data
if len(data) <= RNS.Link.MDU:
# If it fits in one packet, we will just
# send it as a single packet over the link.
list_packet = RNS.Packet(link, data)
list_receipt = list_packet.send()
list_receipt.set_timeout(APP_TIMEOUT)
list_receipt.delivery_callback(list_delivered)
list_receipt.timeout_callback(list_timeout)
else:
RNS.log("Too many files in served directory!", RNS.LOG_ERROR)
RNS.log("You should implement a function to split the filelist over multiple packets.", RNS.LOG_ERROR)
RNS.log("Hint: The client already supports it :)", RNS.LOG_ERROR)
# After this, we're just going to keep the link
# open until the client requests a file. We'll
# configure a function that get's called when
# the client sends a packet with a file request.
link.packet_callback(client_request)
else:
RNS.log("Client connected, but served path no longer exists!", RNS.LOG_ERROR)
link.teardown()
# Check the size of the packed data
if len(data) <= RNS.Link.MDU:
# If it fits in one packet, we will just
# send it as a single packet over the link.
list_packet = RNS.Packet(link, data)
list_receipt = list_packet.send()
list_receipt.set_timeout(APP_TIMEOUT)
list_receipt.delivery_callback(list_delivered)
list_receipt.timeout_callback(list_timeout)
else:
RNS.log("Too many files in served directory!", RNS.LOG_ERROR)
RNS.log("You should implement a function to split the filelist over multiple packets.", RNS.LOG_ERROR)
RNS.log("Hint: The client already supports it :)", RNS.LOG_ERROR)
# After this, we're just going to keep the link
# open until the client requests a file. We'll
# configure a function that get's called when
# the client sends a packet with a file request.
link.packet_callback(client_request)
else:
RNS.log("Client connected, but served path no longer exists!", RNS.LOG_ERROR)
link.teardown()
def client_disconnected(link):
RNS.log("Client disconnected")
RNS.log("Client disconnected")
def client_request(message, packet):
global serve_path
filename = message.decode("utf-8")
if filename in list_files():
try:
# If we have the requested file, we'll
# read it and pack it as a resource
RNS.log("Client requested \""+filename+"\"")
file = open(os.path.join(serve_path, filename), "rb")
file_resource = RNS.Resource(file, packet.link, callback=resource_sending_concluded)
file_resource.filename = filename
except Exception as e:
# If somethign went wrong, we close
# the link
RNS.log("Error while reading file \""+filename+"\"", RNS.LOG_ERROR)
packet.link.teardown()
raise e
else:
# If we don't have it, we close the link
RNS.log("Client requested an unknown file")
packet.link.teardown()
global serve_path
filename = message.decode("utf-8")
if filename in list_files():
try:
# If we have the requested file, we'll
# read it and pack it as a resource
RNS.log("Client requested \""+filename+"\"")
file = open(os.path.join(serve_path, filename), "rb")
file_resource = RNS.Resource(file, packet.link, callback=resource_sending_concluded)
file_resource.filename = filename
except Exception as e:
# If somethign went wrong, we close
# the link
RNS.log("Error while reading file \""+filename+"\"", RNS.LOG_ERROR)
packet.link.teardown()
raise e
else:
# If we don't have it, we close the link
RNS.log("Client requested an unknown file")
packet.link.teardown()
# This function is called on the server when a
# resource transfer concludes.
def resource_sending_concluded(resource):
if hasattr(resource, "filename"):
name = resource.filename
else:
name = "resource"
if hasattr(resource, "filename"):
name = resource.filename
else:
name = "resource"
if resource.status == RNS.Resource.COMPLETE:
RNS.log("Done sending \""+name+"\" to client")
elif resource.status == RNS.Resource.FAILED:
RNS.log("Sending \""+name+"\" to client failed")
if resource.status == RNS.Resource.COMPLETE:
RNS.log("Done sending \""+name+"\" to client")
elif resource.status == RNS.Resource.FAILED:
RNS.log("Sending \""+name+"\" to client failed")
def list_delivered(receipt):
RNS.log("The file list was received by the client")
RNS.log("The file list was received by the client")
def list_timeout(receipt):
RNS.log("Sending list to client timed out, closing this link")
link = receipt.destination
link.teardown()
RNS.log("Sending list to client timed out, closing this link")
link = receipt.destination
link.teardown()
##########################################################
#### Client Part #########################################
@ -194,116 +194,116 @@ file_size = 0
# This initialisation is executed when the users chooses
# to run as a client
def client(destination_hexhash, configpath):
# We need a binary representation of the destination
# hash that was entered on the command line
try:
if len(destination_hexhash) != 20:
raise ValueError("Destination length is invalid, must be 20 hexadecimal characters (10 bytes)")
destination_hash = bytes.fromhex(destination_hexhash)
except:
RNS.log("Invalid destination entered. Check your input!\n")
exit()
# We need a binary representation of the destination
# hash that was entered on the command line
try:
if len(destination_hexhash) != 20:
raise ValueError("Destination length is invalid, must be 20 hexadecimal characters (10 bytes)")
destination_hash = bytes.fromhex(destination_hexhash)
except:
RNS.log("Invalid destination entered. Check your input!\n")
exit()
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# Check if we know a path to the destination
if not RNS.Transport.hasPath(destination_hash):
RNS.log("Destination is not yet known. Requesting path and waiting for announce to arrive...")
RNS.Transport.requestPath(destination_hash)
while not RNS.Transport.hasPath(destination_hash):
time.sleep(0.1)
# Check if we know a path to the destination
if not RNS.Transport.hasPath(destination_hash):
RNS.log("Destination is not yet known. Requesting path and waiting for announce to arrive...")
RNS.Transport.requestPath(destination_hash)
while not RNS.Transport.hasPath(destination_hash):
time.sleep(0.1)
# Recall the server identity
server_identity = RNS.Identity.recall(destination_hash)
# Recall the server identity
server_identity = RNS.Identity.recall(destination_hash)
# Inform the user that we'll begin connecting
RNS.log("Establishing link with server...")
# Inform the user that we'll begin connecting
RNS.log("Establishing link with server...")
# When the server identity is known, we set
# up a destination
server_destination = RNS.Destination(server_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, APP_NAME, "filetransfer", "server")
# When the server identity is known, we set
# up a destination
server_destination = RNS.Destination(server_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, APP_NAME, "filetransfer", "server")
# We also want to automatically prove incoming packets
server_destination.set_proof_strategy(RNS.Destination.PROVE_ALL)
# We also want to automatically prove incoming packets
server_destination.set_proof_strategy(RNS.Destination.PROVE_ALL)
# And create a link
link = RNS.Link(server_destination)
# And create a link
link = RNS.Link(server_destination)
# We expect any normal data packets on the link
# to contain a list of served files, so we set
# a callback accordingly
link.packet_callback(filelist_received)
# We expect any normal data packets on the link
# to contain a list of served files, so we set
# a callback accordingly
link.packet_callback(filelist_received)
# We'll also set up functions to inform the
# user when the link is established or closed
link.link_established_callback(link_established)
link.link_closed_callback(link_closed)
# We'll also set up functions to inform the
# user when the link is established or closed
link.link_established_callback(link_established)
link.link_closed_callback(link_closed)
# And set the link to automatically begin
# downloading advertised resources
link.set_resource_strategy(RNS.Link.ACCEPT_ALL)
link.resource_started_callback(download_began)
link.resource_concluded_callback(download_concluded)
# And set the link to automatically begin
# downloading advertised resources
link.set_resource_strategy(RNS.Link.ACCEPT_ALL)
link.resource_started_callback(download_began)
link.resource_concluded_callback(download_concluded)
menu()
menu()
# Requests the specified file from the server
def download(filename):
global server_link, menu_mode, current_filename, transfer_size, download_started
current_filename = filename
download_started = 0
transfer_size = 0
global server_link, menu_mode, current_filename, transfer_size, download_started
current_filename = filename
download_started = 0
transfer_size = 0
# We just create a packet containing the
# requested filename, and send it down the
# link. We also specify we don't need a
# packet receipt.
request_packet = RNS.Packet(server_link, filename.encode("utf-8"), create_receipt=False)
request_packet.send()
print("")
print(("Requested \""+filename+"\" from server, waiting for download to begin..."))
menu_mode = "download_started"
# We just create a packet containing the
# requested filename, and send it down the
# link. We also specify we don't need a
# packet receipt.
request_packet = RNS.Packet(server_link, filename.encode("utf-8"), create_receipt=False)
request_packet.send()
print("")
print(("Requested \""+filename+"\" from server, waiting for download to begin..."))
menu_mode = "download_started"
# This function runs a simple menu for the user
# to select which files to download, or quit
menu_mode = None
def menu():
global server_files, server_link
# Wait until we have a filelist
while len(server_files) == 0:
time.sleep(0.1)
RNS.log("Ready!")
time.sleep(0.5)
global server_files, server_link
# Wait until we have a filelist
while len(server_files) == 0:
time.sleep(0.1)
RNS.log("Ready!")
time.sleep(0.5)
global menu_mode
menu_mode = "main"
should_quit = False
while (not should_quit):
print_menu()
global menu_mode
menu_mode = "main"
should_quit = False
while (not should_quit):
print_menu()
while not menu_mode == "main":
# Wait
time.sleep(0.25)
while not menu_mode == "main":
# Wait
time.sleep(0.25)
user_input = input()
if user_input == "q" or user_input == "quit" or user_input == "exit":
should_quit = True
print("")
else:
if user_input in server_files:
download(user_input)
else:
try:
if 0 <= int(user_input) < len(server_files):
download(server_files[int(user_input)])
except:
pass
user_input = input()
if user_input == "q" or user_input == "quit" or user_input == "exit":
should_quit = True
print("")
else:
if user_input in server_files:
download(user_input)
else:
try:
if 0 <= int(user_input) < len(server_files):
download(server_files[int(user_input)])
except:
pass
if should_quit:
server_link.teardown()
if should_quit:
server_link.teardown()
# Prints out menus or screens for the
# various states of the client program.
@ -311,145 +311,145 @@ def menu():
# I won't go into detail here. Just
# strings basically.
def print_menu():
global menu_mode, download_time, download_started, download_finished, transfer_size, file_size
global menu_mode, download_time, download_started, download_finished, transfer_size, file_size
if menu_mode == "main":
clear_screen()
print_filelist()
print("")
print("Select a file to download by entering name or number, or q to quit")
print(("> "), end=' ')
elif menu_mode == "download_started":
download_began = time.time()
while menu_mode == "download_started":
time.sleep(0.1)
if time.time() > download_began+APP_TIMEOUT:
print("The download timed out")
time.sleep(1)
server_link.teardown()
if menu_mode == "main":
clear_screen()
print_filelist()
print("")
print("Select a file to download by entering name or number, or q to quit")
print(("> "), end=' ')
elif menu_mode == "download_started":
download_began = time.time()
while menu_mode == "download_started":
time.sleep(0.1)
if time.time() > download_began+APP_TIMEOUT:
print("The download timed out")
time.sleep(1)
server_link.teardown()
if menu_mode == "downloading":
print("Download started")
print("")
while menu_mode == "downloading":
global current_download
percent = round(current_download.progress() * 100.0, 1)
print(("\rProgress: "+str(percent)+" % "), end=' ')
sys.stdout.flush()
time.sleep(0.1)
if menu_mode == "downloading":
print("Download started")
print("")
while menu_mode == "downloading":
global current_download
percent = round(current_download.progress() * 100.0, 1)
print(("\rProgress: "+str(percent)+" % "), end=' ')
sys.stdout.flush()
time.sleep(0.1)
if menu_mode == "save_error":
print(("\rProgress: 100.0 %"), end=' ')
sys.stdout.flush()
print("")
print("Could not write downloaded file to disk")
current_download.status = RNS.Resource.FAILED
menu_mode = "download_concluded"
if menu_mode == "save_error":
print(("\rProgress: 100.0 %"), end=' ')
sys.stdout.flush()
print("")
print("Could not write downloaded file to disk")
current_download.status = RNS.Resource.FAILED
menu_mode = "download_concluded"
if menu_mode == "download_concluded":
if current_download.status == RNS.Resource.COMPLETE:
print(("\rProgress: 100.0 %"), end=' ')
sys.stdout.flush()
if menu_mode == "download_concluded":
if current_download.status == RNS.Resource.COMPLETE:
print(("\rProgress: 100.0 %"), end=' ')
sys.stdout.flush()
# Print statistics
hours, rem = divmod(download_time, 3600)
minutes, seconds = divmod(rem, 60)
timestring = "{:0>2}:{:0>2}:{:05.2f}".format(int(hours),int(minutes),seconds)
print("")
print("")
print("--- Statistics -----")
print("\tTime taken : "+timestring)
print("\tFile size : "+size_str(file_size))
print("\tData transferred : "+size_str(transfer_size))
print("\tEffective rate : "+size_str(file_size/download_time, suffix='b')+"/s")
print("\tTransfer rate : "+size_str(transfer_size/download_time, suffix='b')+"/s")
print("")
print("The download completed! Press enter to return to the menu.")
print("")
input()
# Print statistics
hours, rem = divmod(download_time, 3600)
minutes, seconds = divmod(rem, 60)
timestring = "{:0>2}:{:0>2}:{:05.2f}".format(int(hours),int(minutes),seconds)
print("")
print("")
print("--- Statistics -----")
print("\tTime taken : "+timestring)
print("\tFile size : "+size_str(file_size))
print("\tData transferred : "+size_str(transfer_size))
print("\tEffective rate : "+size_str(file_size/download_time, suffix='b')+"/s")
print("\tTransfer rate : "+size_str(transfer_size/download_time, suffix='b')+"/s")
print("")
print("The download completed! Press enter to return to the menu.")
print("")
input()
else:
print("")
print("The download failed! Press enter to return to the menu.")
input()
else:
print("")
print("The download failed! Press enter to return to the menu.")
input()
current_download = None
menu_mode = "main"
print_menu()
current_download = None
menu_mode = "main"
print_menu()
# This function prints out a list of files
# on the connected server.
def print_filelist():
global server_files
print("Files on server:")
for index,file in enumerate(server_files):
print("\t("+str(index)+")\t"+file)
global server_files
print("Files on server:")
for index,file in enumerate(server_files):
print("\t("+str(index)+")\t"+file)
def filelist_received(filelist_data, packet):
global server_files, menu_mode
try:
# Unpack the list and extend our
# local list of available files
filelist = umsgpack.unpackb(filelist_data)
for file in filelist:
if not file in server_files:
server_files.append(file)
global server_files, menu_mode
try:
# Unpack the list and extend our
# local list of available files
filelist = umsgpack.unpackb(filelist_data)
for file in filelist:
if not file in server_files:
server_files.append(file)
# If the menu is already visible,
# we'll update it with what was
# just received
if menu_mode == "main":
print_menu()
except:
RNS.log("Invalid file list data received, closing link")
packet.link.teardown()
# If the menu is already visible,
# we'll update it with what was
# just received
if menu_mode == "main":
print_menu()
except:
RNS.log("Invalid file list data received, closing link")
packet.link.teardown()
# This function is called when a link
# has been established with the server
def link_established(link):
# We store a reference to the link
# instance for later use
global server_link
server_link = link
# We store a reference to the link
# instance for later use
global server_link
server_link = link
# Inform the user that the server is
# connected
RNS.log("Link established with server")
RNS.log("Waiting for filelist...")
# Inform the user that the server is
# connected
RNS.log("Link established with server")
RNS.log("Waiting for filelist...")
# And set up a small job to check for
# a potential timeout in receiving the
# file list
thread = threading.Thread(target=filelist_timeout_job)
thread.setDaemon(True)
thread.start()
# And set up a small job to check for
# a potential timeout in receiving the
# file list
thread = threading.Thread(target=filelist_timeout_job)
thread.setDaemon(True)
thread.start()
# This job just sleeps for the specified
# time, and then checks if the file list
# was received. If not, the program will
# exit.
def filelist_timeout_job():
time.sleep(APP_TIMEOUT)
time.sleep(APP_TIMEOUT)
global server_files
if len(server_files) == 0:
RNS.log("Timed out waiting for filelist, exiting")
os._exit(0)
global server_files
if len(server_files) == 0:
RNS.log("Timed out waiting for filelist, exiting")
os._exit(0)
# When a link is closed, we'll inform the
# user, and exit the program
def link_closed(link):
if link.teardown_reason == RNS.Link.TIMEOUT:
RNS.log("The link timed out, exiting now")
elif link.teardown_reason == RNS.Link.DESTINATION_CLOSED:
RNS.log("The link was closed by the server, exiting now")
else:
RNS.log("Link closed, exiting now")
RNS.Reticulum.exit_handler()
time.sleep(1.5)
os._exit(0)
if link.teardown_reason == RNS.Link.TIMEOUT:
RNS.log("The link timed out, exiting now")
elif link.teardown_reason == RNS.Link.DESTINATION_CLOSED:
RNS.log("The link was closed by the server, exiting now")
else:
RNS.log("Link closed, exiting now")
RNS.Reticulum.exit_handler()
time.sleep(1.5)
os._exit(0)
# When RNS detects that the download has
# started, we'll update our menu state
@ -471,45 +471,45 @@ def download_began(resource):
# or not, we'll update our menu state and
# inform the user about how it all went.
def download_concluded(resource):
global menu_mode, current_filename, download_started, download_finished, download_time
download_finished = time.time()
download_time = download_finished - download_started
global menu_mode, current_filename, download_started, download_finished, download_time
download_finished = time.time()
download_time = download_finished - download_started
saved_filename = current_filename
saved_filename = current_filename
if resource.status == RNS.Resource.COMPLETE:
counter = 0
while os.path.isfile(saved_filename):
counter += 1
saved_filename = current_filename+"."+str(counter)
if resource.status == RNS.Resource.COMPLETE:
counter = 0
while os.path.isfile(saved_filename):
counter += 1
saved_filename = current_filename+"."+str(counter)
try:
file = open(saved_filename, "wb")
file.write(resource.data.read())
file.close()
menu_mode = "download_concluded"
except:
menu_mode = "save_error"
else:
menu_mode = "download_concluded"
try:
file = open(saved_filename, "wb")
file.write(resource.data.read())
file.close()
menu_mode = "download_concluded"
except:
menu_mode = "save_error"
else:
menu_mode = "download_concluded"
# A convenience function for printing a human-
# readable file size
def size_str(num, suffix='B'):
units = ['','Ki','Mi','Gi','Ti','Pi','Ei','Zi']
last_unit = 'Yi'
units = ['','Ki','Mi','Gi','Ti','Pi','Ei','Zi']
last_unit = 'Yi'
if suffix == 'b':
num *= 8
units = ['','K','M','G','T','P','E','Z']
last_unit = 'Y'
if suffix == 'b':
num *= 8
units = ['','K','M','G','T','P','E','Z']
last_unit = 'Y'
for unit in units:
if abs(num) < 1024.0:
return "%3.2f %s%s" % (num, unit, suffix)
num /= 1024.0
return "%.2f %s%s" % (num, last_unit, suffix)
for unit in units:
if abs(num) < 1024.0:
return "%3.2f %s%s" % (num, unit, suffix)
num /= 1024.0
return "%.2f %s%s" % (num, last_unit, suffix)
# A convenience function for clearing the screen
def clear_screen():
@ -523,31 +523,31 @@ def clear_screen():
# and parses input of from the user, and then
# starts up the desired program mode.
if __name__ == "__main__":
try:
parser = argparse.ArgumentParser(description="Simple file transfer server and client utility")
parser.add_argument("-s", "--serve", action="store", metavar="dir", help="serve a directory of files to clients")
parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
parser.add_argument("destination", nargs="?", default=None, help="hexadecimal hash of the server destination", type=str)
args = parser.parse_args()
try:
parser = argparse.ArgumentParser(description="Simple file transfer server and client utility")
parser.add_argument("-s", "--serve", action="store", metavar="dir", help="serve a directory of files to clients")
parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
parser.add_argument("destination", nargs="?", default=None, help="hexadecimal hash of the server destination", type=str)
args = parser.parse_args()
if args.config:
configarg = args.config
else:
configarg = None
if args.config:
configarg = args.config
else:
configarg = None
if args.serve:
if os.path.isdir(args.serve):
server(configarg, args.serve)
else:
RNS.log("The specified directory does not exist")
else:
if (args.destination == None):
print("")
parser.print_help()
print("")
else:
client(args.destination, configarg)
if args.serve:
if os.path.isdir(args.serve):
server(configarg, args.serve)
else:
RNS.log("The specified directory does not exist")
else:
if (args.destination == None):
print("")
parser.print_help()
print("")
else:
client(args.destination, configarg)
except KeyboardInterrupt:
print("")
exit()
except KeyboardInterrupt:
print("")
exit()

284
Examples/Link.py
View File

@ -25,65 +25,65 @@ latest_client_link = None
# This initialisation is executed when the users chooses
# to run as a server
def server(configpath):
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# Randomly create a new identity for our link example
server_identity = RNS.Identity()
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# Randomly create a new identity for our link example
server_identity = RNS.Identity()
# We create a destination that clients can connect to. We
# want clients to create links to this destination, so we
# need to create a "single" destination type.
server_destination = RNS.Destination(server_identity, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "linkexample")
# We create a destination that clients can connect to. We
# want clients to create links to this destination, so we
# need to create a "single" destination type.
server_destination = RNS.Destination(server_identity, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "linkexample")
# We configure a function that will get called every time
# a new client creates a link to this destination.
server_destination.link_established_callback(client_connected)
# We configure a function that will get called every time
# a new client creates a link to this destination.
server_destination.link_established_callback(client_connected)
# Everything's ready!
# Let's Wait for client requests or user input
server_loop(server_destination)
# Everything's ready!
# Let's Wait for client requests or user input
server_loop(server_destination)
def server_loop(destination):
# Let the user know that everything is ready
RNS.log("Link example "+RNS.prettyhexrep(destination.hash)+" running, waiting for a connection.")
RNS.log("Hit enter to manually send an announce (Ctrl-C to quit)")
# Let the user know that everything is ready
RNS.log("Link example "+RNS.prettyhexrep(destination.hash)+" running, waiting for a connection.")
RNS.log("Hit enter to manually send an announce (Ctrl-C to quit)")
# We enter a loop that runs until the users exits.
# If the user hits enter, we will announce our server
# destination on the network, which will let clients
# know how to create messages directed towards it.
while True:
entered = input()
destination.announce()
RNS.log("Sent announce from "+RNS.prettyhexrep(destination.hash))
# We enter a loop that runs until the users exits.
# If the user hits enter, we will announce our server
# destination on the network, which will let clients
# know how to create messages directed towards it.
while True:
entered = input()
destination.announce()
RNS.log("Sent announce from "+RNS.prettyhexrep(destination.hash))
# When a client establishes a link to our server
# destination, this function will be called with
# a reference to the link.
def client_connected(link):
global latest_client_link
global latest_client_link
RNS.log("Client connected")
link.link_closed_callback(client_disconnected)
link.packet_callback(server_packet_received)
latest_client_link = link
RNS.log("Client connected")
link.link_closed_callback(client_disconnected)
link.packet_callback(server_packet_received)
latest_client_link = link
def client_disconnected(link):
RNS.log("Client disconnected")
RNS.log("Client disconnected")
def server_packet_received(message, packet):
global latest_client_link
global latest_client_link
# When data is received over any active link,
# it will all be directed to the last client
# that connected.
text = message.decode("utf-8")
RNS.log("Received data on the link: "+text)
reply_text = "I received \""+text+"\" over the link"
reply_data = reply_text.encode("utf-8")
RNS.Packet(latest_client_link, reply_data).send()
# When data is received over any active link,
# it will all be directed to the last client
# that connected.
text = message.decode("utf-8")
RNS.log("Received data on the link: "+text)
reply_text = "I received \""+text+"\" over the link"
reply_data = reply_text.encode("utf-8")
RNS.Packet(latest_client_link, reply_data).send()
##########################################################
@ -96,112 +96,112 @@ server_link = None
# This initialisation is executed when the users chooses
# to run as a client
def client(destination_hexhash, configpath):
# We need a binary representation of the destination
# hash that was entered on the command line
try:
if len(destination_hexhash) != 20:
raise ValueError("Destination length is invalid, must be 20 hexadecimal characters (10 bytes)")
destination_hash = bytes.fromhex(destination_hexhash)
except:
RNS.log("Invalid destination entered. Check your input!\n")
exit()
# We need a binary representation of the destination
# hash that was entered on the command line
try:
if len(destination_hexhash) != 20:
raise ValueError("Destination length is invalid, must be 20 hexadecimal characters (10 bytes)")
destination_hash = bytes.fromhex(destination_hexhash)
except:
RNS.log("Invalid destination entered. Check your input!\n")
exit()
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# Check if we know a path to the destination
if not RNS.Transport.hasPath(destination_hash):
RNS.log("Destination is not yet known. Requesting path and waiting for announce to arrive...")
RNS.Transport.requestPath(destination_hash)
while not RNS.Transport.hasPath(destination_hash):
time.sleep(0.1)
# Check if we know a path to the destination
if not RNS.Transport.hasPath(destination_hash):
RNS.log("Destination is not yet known. Requesting path and waiting for announce to arrive...")
RNS.Transport.requestPath(destination_hash)
while not RNS.Transport.hasPath(destination_hash):
time.sleep(0.1)
# Recall the server identity
server_identity = RNS.Identity.recall(destination_hash)
# Recall the server identity
server_identity = RNS.Identity.recall(destination_hash)
# Inform the user that we'll begin connecting
RNS.log("Establishing link with server...")
# Inform the user that we'll begin connecting
RNS.log("Establishing link with server...")
# When the server identity is known, we set
# up a destination
server_destination = RNS.Destination(server_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, APP_NAME, "linkexample")
# When the server identity is known, we set
# up a destination
server_destination = RNS.Destination(server_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, APP_NAME, "linkexample")
# And create a link
link = RNS.Link(server_destination)
# And create a link
link = RNS.Link(server_destination)
# We set a callback that will get executed
# every time a packet is received over the
# link
link.packet_callback(client_packet_received)
# We set a callback that will get executed
# every time a packet is received over the
# link
link.packet_callback(client_packet_received)
# We'll also set up functions to inform the
# user when the link is established or closed
link.link_established_callback(link_established)
link.link_closed_callback(link_closed)
# We'll also set up functions to inform the
# user when the link is established or closed
link.link_established_callback(link_established)
link.link_closed_callback(link_closed)
# Everything is set up, so let's enter a loop
# for the user to interact with the example
client_loop()
# Everything is set up, so let's enter a loop
# for the user to interact with the example
client_loop()
def client_loop():
global server_link
global server_link
# Wait for the link to become active
while not server_link:
time.sleep(0.1)
# Wait for the link to become active
while not server_link:
time.sleep(0.1)
should_quit = False
while not should_quit:
try:
print("> ", end=" ")
text = input()
should_quit = False
while not should_quit:
try:
print("> ", end=" ")
text = input()
# Check if we should quit the example
if text == "quit" or text == "q" or text == "exit":
should_quit = True
server_link.teardown()
# Check if we should quit the example
if text == "quit" or text == "q" or text == "exit":
should_quit = True
server_link.teardown()
# If not, send the entered text over the link
if text != "":
data = text.encode("utf-8")
RNS.Packet(server_link, data).send()
except Exception as e:
should_quit = True
server_link.teardown()
# If not, send the entered text over the link
if text != "":
data = text.encode("utf-8")
RNS.Packet(server_link, data).send()
except Exception as e:
should_quit = True
server_link.teardown()
# This function is called when a link
# has been established with the server
def link_established(link):
# We store a reference to the link
# instance for later use
global server_link
server_link = link
# We store a reference to the link
# instance for later use
global server_link
server_link = link
# Inform the user that the server is
# connected
RNS.log("Link established with server, enter some text to send, or \"quit\" to quit")
# Inform the user that the server is
# connected
RNS.log("Link established with server, enter some text to send, or \"quit\" to quit")
# When a link is closed, we'll inform the
# user, and exit the program
def link_closed(link):
if link.teardown_reason == RNS.Link.TIMEOUT:
RNS.log("The link timed out, exiting now")
elif link.teardown_reason == RNS.Link.DESTINATION_CLOSED:
RNS.log("The link was closed by the server, exiting now")
else:
RNS.log("Link closed, exiting now")
RNS.Reticulum.exit_handler()
time.sleep(1.5)
os._exit(0)
if link.teardown_reason == RNS.Link.TIMEOUT:
RNS.log("The link timed out, exiting now")
elif link.teardown_reason == RNS.Link.DESTINATION_CLOSED:
RNS.log("The link was closed by the server, exiting now")
else:
RNS.log("Link closed, exiting now")
RNS.Reticulum.exit_handler()
time.sleep(1.5)
os._exit(0)
# When a packet is received over the link, we
# simply print out the data.
def client_packet_received(message, packet):
text = message.decode("utf-8")
RNS.log("Received data on the link: "+text)
print("> ", end=" ")
sys.stdout.flush()
text = message.decode("utf-8")
RNS.log("Received data on the link: "+text)
print("> ", end=" ")
sys.stdout.flush()
##########################################################
@ -212,28 +212,28 @@ def client_packet_received(message, packet):
# and parses input of from the user, and then
# starts up the desired program mode.
if __name__ == "__main__":
try:
parser = argparse.ArgumentParser(description="Simple link example")
parser.add_argument("-s", "--server", action="store_true", help="wait for incoming link requests from clients")
parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
parser.add_argument("destination", nargs="?", default=None, help="hexadecimal hash of the server destination", type=str)
args = parser.parse_args()
try:
parser = argparse.ArgumentParser(description="Simple link example")
parser.add_argument("-s", "--server", action="store_true", help="wait for incoming link requests from clients")
parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
parser.add_argument("destination", nargs="?", default=None, help="hexadecimal hash of the server destination", type=str)
args = parser.parse_args()
if args.config:
configarg = args.config
else:
configarg = None
if args.config:
configarg = args.config
else:
configarg = None
if args.server:
server(configarg)
else:
if (args.destination == None):
print("")
parser.print_help()
print("")
else:
client(args.destination, configarg)
if args.server:
server(configarg)
else:
if (args.destination == None):
print("")
parser.print_help()
print("")
else:
client(args.destination, configarg)
except KeyboardInterrupt:
print("")
exit()
except KeyboardInterrupt:
print("")
exit()

90
Examples/Minimal.py
View File

@ -15,45 +15,45 @@ APP_NAME = "example_utilitites"
# This initialisation is executed when the program is started
def program_setup(configpath):
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# Randomly create a new identity for our example
identity = RNS.Identity()
# We must first initialise Reticulum
reticulum = RNS.Reticulum(configpath)
# Randomly create a new identity for our example
identity = RNS.Identity()
# Using the identity we just created, we create a destination.
# Destinations are endpoints in Reticulum, that can be addressed
# and communicated with. Destinations can also announce their
# existence, which will let the network know they are reachable
# and autoomatically create paths to them, from anywhere else
# in the network.
destination = RNS.Destination(identity, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "minimalsample")
# Using the identity we just created, we create a destination.
# Destinations are endpoints in Reticulum, that can be addressed
# and communicated with. Destinations can also announce their
# existence, which will let the network know they are reachable
# and autoomatically create paths to them, from anywhere else
# in the network.
destination = RNS.Destination(identity, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "minimalsample")
# We configure the destination to automatically prove all
# packets adressed to it. By doing this, RNS will automatically
# generate a proof for each incoming packet and transmit it
# back to the sender of that packet. This will let anyone that
# tries to communicate with the destination know whether their
# communication was received correctly.
destination.set_proof_strategy(RNS.Destination.PROVE_ALL)
# Everything's ready!
# Let's hand over control to the announce loop
announceLoop(destination)
# We configure the destination to automatically prove all
# packets adressed to it. By doing this, RNS will automatically
# generate a proof for each incoming packet and transmit it
# back to the sender of that packet. This will let anyone that
# tries to communicate with the destination know whether their
# communication was received correctly.
destination.set_proof_strategy(RNS.Destination.PROVE_ALL)
# Everything's ready!
# Let's hand over control to the announce loop
announceLoop(destination)
def announceLoop(destination):
# Let the user know that everything is ready
RNS.log("Minimal example "+RNS.prettyhexrep(destination.hash)+" running, hit enter to manually send an announce (Ctrl-C to quit)")
# Let the user know that everything is ready
RNS.log("Minimal example "+RNS.prettyhexrep(destination.hash)+" running, hit enter to manually send an announce (Ctrl-C to quit)")
# We enter a loop that runs until the users exits.
# If the user hits enter, we will announce our server
# destination on the network, which will let clients
# know how to create messages directed towards it.
while True:
entered = input()
destination.announce()
RNS.log("Sent announce from "+RNS.prettyhexrep(destination.hash))
# We enter a loop that runs until the users exits.
# If the user hits enter, we will announce our server
# destination on the network, which will let clients
# know how to create messages directed towards it.
while True:
entered = input()
destination.announce()
RNS.log("Sent announce from "+RNS.prettyhexrep(destination.hash))
##########################################################
@ -64,18 +64,18 @@ def announceLoop(destination):
# and parses input from the user, and then starts
# the desired program mode.
if __name__ == "__main__":
try:
parser = argparse.ArgumentParser(description="Bare minimum example to start Reticulum and create a destination")
parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
args = parser.parse_args()
try:
parser = argparse.ArgumentParser(description="Bare minimum example to start Reticulum and create a destination")
parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
args = parser.parse_args()
if args.config:
configarg = args.config
else:
configarg = None
if args.config:
configarg = args.config
else:
configarg = None
program_setup(configarg)
program_setup(configarg)
except KeyboardInterrupt:
print("")
exit()
except KeyboardInterrupt:
print("")
exit()

330
RNS/Destination.py
View File

@ -10,228 +10,228 @@ from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives.asymmetric import padding
class Callbacks:
def __init__(self):
self.link_established = None
self.packet = None
self.proof_requested = None
def __init__(self):
self.link_established = None
self.packet = None
self.proof_requested = None
class Destination:
KEYSIZE = RNS.Identity.KEYSIZE;
PADDINGSIZE= RNS.Identity.PADDINGSIZE;
KEYSIZE = RNS.Identity.KEYSIZE;
PADDINGSIZE= RNS.Identity.PADDINGSIZE;
# Constants
SINGLE = 0x00
GROUP = 0x01
PLAIN = 0x02
LINK = 0x03
types = [SINGLE, GROUP, PLAIN, LINK]
# Constants
SINGLE = 0x00
GROUP = 0x01
PLAIN = 0x02
LINK = 0x03
types = [SINGLE, GROUP, PLAIN, LINK]
PROVE_NONE = 0x21
PROVE_APP = 0x22
PROVE_ALL = 0x23
proof_strategies = [PROVE_NONE, PROVE_APP, PROVE_ALL]
PROVE_NONE = 0x21
PROVE_APP = 0x22
PROVE_ALL = 0x23
proof_strategies = [PROVE_NONE, PROVE_APP, PROVE_ALL]
IN = 0x11;
OUT = 0x12;
directions = [IN, OUT]
IN = 0x11;
OUT = 0x12;
directions = [IN, OUT]
@staticmethod
def getDestinationName(app_name, *aspects):
# Check input values and build name string
if "." in app_name: raise ValueError("Dots can't be used in app names")
@staticmethod
def getDestinationName(app_name, *aspects):
# Check input values and build name string
if "." in app_name: raise ValueError("Dots can't be used in app names")
name = app_name
for aspect in aspects:
if "." in aspect: raise ValueError("Dots can't be used in aspects")
name = name + "." + aspect
name = app_name
for aspect in aspects:
if "." in aspect: raise ValueError("Dots can't be used in aspects")
name = name + "." + aspect
return name
return name
@staticmethod
def getDestinationHash(app_name, *aspects):
name = Destination.getDestinationName(app_name, *aspects)
@staticmethod
def getDestinationHash(app_name, *aspects):
name = Destination.getDestinationName(app_name, *aspects)
# Create a digest for the destination
digest = hashes.Hash(hashes.SHA256(), backend=default_backend())
digest.update(name.encode("UTF-8"))
# Create a digest for the destination
digest = hashes.Hash(hashes.SHA256(), backend=default_backend())
digest.update(name.encode("UTF-8"))
return digest.finalize()[:10]
return digest.finalize()[:10]
def __init__(self, identity, direction, type, app_name, *aspects):
# Check input values and build name string
if "." in app_name: raise ValueError("Dots can't be used in app names")
if not type in Destination.types: raise ValueError("Unknown destination type")
if not direction in Destination.directions: raise ValueError("Unknown destination direction")
self.callbacks = Callbacks()
self.type = type
self.direction = direction
self.proof_strategy = Destination.PROVE_NONE
self.mtu = 0
def __init__(self, identity, direction, type, app_name, *aspects):
# Check input values and build name string
if "." in app_name: raise ValueError("Dots can't be used in app names")
if not type in Destination.types: raise ValueError("Unknown destination type")
if not direction in Destination.directions: raise ValueError("Unknown destination direction")
self.callbacks = Callbacks()
self.type = type
self.direction = direction
self.proof_strategy = Destination.PROVE_NONE
self.mtu = 0
self.links = []
self.links = []
if identity != None and type == Destination.SINGLE:
aspects = aspects+(identity.hexhash,)
if identity != None and type == Destination.SINGLE:
aspects = aspects+(identity.hexhash,)
if identity == None and direction == Destination.IN and self.type != Destination.PLAIN:
identity = RNS.Identity()
aspects = aspects+(identity.hexhash,)
if identity == None and direction == Destination.IN and self.type != Destination.PLAIN:
identity = RNS.Identity()
aspects = aspects+(identity.hexhash,)
self.identity = identity
self.identity = identity
self.name = Destination.getDestinationName(app_name, *aspects)
self.hash = Destination.getDestinationHash(app_name, *aspects)
self.hexhash = self.hash.hex()
self.name = Destination.getDestinationName(app_name, *aspects)
self.hash = Destination.getDestinationHash(app_name, *aspects)
self.hexhash = self.hash.hex()
self.callback = None
self.proofcallback = None
self.callback = None
self.proofcallback = None
RNS.Transport.registerDestination(self)
RNS.Transport.registerDestination(self)
def __str__(self):
return "<"+self.name+"/"+self.hexhash+">"
def __str__(self):
return "<"+self.name+"/"+self.hexhash+">"
def link_established_callback(self, callback):
self.callbacks.link_established = callback
def link_established_callback(self, callback):
self.callbacks.link_established = callback
def packet_callback(self, callback):
self.callbacks.packet = callback
def packet_callback(self, callback):
self.callbacks.packet = callback
def proof_requested_callback(self, callback):
self.callbacks.proof_requested = callback
def proof_requested_callback(self, callback):
self.callbacks.proof_requested = callback
def set_proof_strategy(self, proof_strategy):
if not proof_strategy in Destination.proof_strategies:
raise TypeError("Unsupported proof strategy")
else:
self.proof_strategy = proof_strategy
def set_proof_strategy(self, proof_strategy):
if not proof_strategy in Destination.proof_strategies:
raise TypeError("Unsupported proof strategy")
else:
self.proof_strategy = proof_strategy
def receive(self, packet):
plaintext = self.decrypt(packet.data)
if plaintext != None:
if packet.packet_type == RNS.Packet.LINKREQUEST:
self.incomingLinkRequest(plaintext, packet)
def receive(self, packet):
plaintext = self.decrypt(packet.data)
if plaintext != None:
if packet.packet_type == RNS.Packet.LINKREQUEST:
self.incomingLinkRequest(plaintext, packet)
if packet.packet_type == RNS.Packet.DATA:
if self.callbacks.packet != None:
self.callbacks.packet(plaintext, packet)
if packet.packet_type == RNS.Packet.DATA:
if self.callbacks.packet != None:
self.callbacks.packet(plaintext, packet)
def incomingLinkRequest(self, data, packet):
link = RNS.Link.validateRequest(self, data, packet)
if link != None:
self.links.append(link)
def incomingLinkRequest(self, data, packet):
link = RNS.Link.validateRequest(self, data, packet)
if link != None:
self.links.append(link)
def createKeys(self):
if self.type == Destination.PLAIN:
raise TypeError("A plain destination does not hold any keys")
def createKeys(self):
if self.type == Destination.PLAIN:
raise TypeError("A plain destination does not hold any keys")
if self.type == Destination.SINGLE:
raise TypeError("A single destination holds keys through an Identity instance")
if self.type == Destination.SINGLE:
raise TypeError("A single destination holds keys through an Identity instance")
if self.type == Destination.GROUP:
self.prv_bytes = Fernet.generate_key()
self.prv = Fernet(self.prv_bytes)
if self.type == Destination.GROUP:
self.prv_bytes = Fernet.generate_key()
self.prv = Fernet(self.prv_bytes)
def getPrivateKey(self):
if self.type == Destination.PLAIN:
raise TypeError("A plain destination does not hold any keys")
elif self.type == Destination.SINGLE:
raise TypeError("A single destination holds keys through an Identity instance")
else:
return self.prv_bytes
def getPrivateKey(self):
if self.type == Destination.PLAIN:
raise TypeError("A plain destination does not hold any keys")
elif self.type == Destination.SINGLE:
raise TypeError("A single destination holds keys through an Identity instance")
else:
return self.prv_bytes
def loadPrivateKey(self, key):
if self.type == Destination.PLAIN:
raise TypeError("A plain destination does not hold any keys")
def loadPrivateKey(self, key):
if self.type == Destination.PLAIN:
raise TypeError("A plain destination does not hold any keys")
if self.type == Destination.SINGLE:
raise TypeError("A single destination holds keys through an Identity instance")
if self.type == Destination.SINGLE:
raise TypeError("A single destination holds keys through an Identity instance")
if self.type == Destination.GROUP:
self.prv_bytes = key
self.prv = Fernet(self.prv_bytes)
if self.type == Destination.GROUP:
self.prv_bytes = key
self.prv = Fernet(self.prv_bytes)
def loadPublicKey(self, key):
if self.type != Destination.SINGLE:
raise TypeError("Only the \"single\" destination type can hold a public key")
else:
raise TypeError("A single destination holds keys through an Identity instance")
def loadPublicKey(self, key):
if self.type != Destination.SINGLE:
raise TypeError("Only the \"single\" destination type can hold a public key")
else:
raise TypeError("A single destination holds keys through an Identity instance")
def encrypt(self, plaintext):
if self.type == Destination.PLAIN:
return plaintext
def encrypt(self, plaintext):
if self.type == Destination.PLAIN:
return plaintext
if self.type == Destination.SINGLE and self.identity != None:
return self.identity.encrypt(plaintext)
if self.type == Destination.SINGLE and self.identity != None:
return self.identity.encrypt(plaintext)
if self.type == Destination.GROUP:
if hasattr(self, "prv") and self.prv != None:
try:
return base64.urlsafe_b64decode(self.prv.encrypt(plaintext))
except Exception as e:
RNS.log("The GROUP destination could not encrypt data", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
else:
raise ValueError("No private key held by GROUP destination. Did you create or load one?")
if self.type == Destination.GROUP:
if hasattr(self, "prv") and self.prv != None:
try:
return base64.urlsafe_b64decode(self.prv.encrypt(plaintext))
except Exception as e:
RNS.log("The GROUP destination could not encrypt data", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
else:
raise ValueError("No private key held by GROUP destination. Did you create or load one?")
def decrypt(self, ciphertext):
if self.type == Destination.PLAIN:
return ciphertext
def decrypt(self, ciphertext):
if self.type == Destination.PLAIN:
return ciphertext
if self.type == Destination.SINGLE and self.identity != None:
return self.identity.decrypt(ciphertext)
if self.type == Destination.SINGLE and self.identity != None:
return self.identity.decrypt(ciphertext)
if self.type == Destination.GROUP:
if hasattr(self, "prv") and self.prv != None:
try:
return self.prv.decrypt(base64.urlsafe_b64encode(ciphertext))
except Exception as e:
RNS.log("The GROUP destination could not decrypt data", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
else:
raise ValueError("No private key held by GROUP destination. Did you create or load one?")
if self.type == Destination.GROUP:
if hasattr(self, "prv") and self.prv != None:
try:
return self.prv.decrypt(base64.urlsafe_b64encode(ciphertext))
except Exception as e:
RNS.log("The GROUP destination could not decrypt data", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
else:
raise ValueError("No private key held by GROUP destination. Did you create or load one?")
def sign(self, message):
if self.type == Destination.SINGLE and self.identity != None:
return self.identity.sign(message)
else:
return None
def sign(self, message):
if self.type == Destination.SINGLE and self.identity != None:
return self.identity.sign(message)
else:
return None
# Creates an announce packet for this destination.
# Application specific data can be added to the announce.
def announce(self, app_data=None, path_response=False):
destination_hash = self.hash
random_hash = RNS.Identity.getRandomHash()
signed_data = self.hash+self.identity.getPublicKey()+random_hash
if app_data != None:
signed_data += app_data
# Creates an announce packet for this destination.
# Application specific data can be added to the announce.
def announce(self, app_data=None, path_response=False):
destination_hash = self.hash
random_hash = RNS.Identity.getRandomHash()
signed_data = self.hash+self.identity.getPublicKey()+random_hash
if app_data != None:
signed_data += app_data
signature = self.identity.sign(signed_data)
signature = self.identity.sign(signed_data)
# TODO: Check if this could be optimised by only
# carrying the hash in the destination field, not
# also redundantly inside the signed blob as here
announce_data = self.hash+self.identity.getPublicKey()+random_hash+signature
# TODO: Check if this could be optimised by only
# carrying the hash in the destination field, not
# also redundantly inside the signed blob as here
announce_data = self.hash+self.identity.getPublicKey()+random_hash+signature
if app_data != None:
announce_data += app_data
if app_data != None:
announce_data += app_data
if path_response:
announce_context = RNS.Packet.PATH_RESPONSE
else:
announce_context = RNS.Packet.NONE
if path_response:
announce_context = RNS.Packet.PATH_RESPONSE
else:
announce_context = RNS.Packet.NONE
RNS.Packet(self, announce_data, RNS.Packet.ANNOUNCE, context = announce_context).send()
RNS.Packet(self, announce_data, RNS.Packet.ANNOUNCE, context = announce_context).send()

524
RNS/Identity.py
View File

@ -15,313 +15,313 @@ from cryptography.hazmat.primitives.asymmetric import padding
class Identity:
#KEYSIZE = 1536
KEYSIZE = 1024
DERKEYSIZE = KEYSIZE+272
KEYSIZE = 1024
DERKEYSIZE = KEYSIZE+272
# Non-configurable constants
PADDINGSIZE = 336 # In bits
HASHLENGTH = 256 # In bits
SIGLENGTH = KEYSIZE
# Non-configurable constants
PADDINGSIZE = 336 # In bits
HASHLENGTH = 256 # In bits
SIGLENGTH = KEYSIZE
ENCRYPT_CHUNKSIZE = (KEYSIZE-PADDINGSIZE)//8
DECRYPT_CHUNKSIZE = KEYSIZE//8
ENCRYPT_CHUNKSIZE = (KEYSIZE-PADDINGSIZE)//8
DECRYPT_CHUNKSIZE = KEYSIZE//8
TRUNCATED_HASHLENGTH = 80 # In bits
TRUNCATED_HASHLENGTH = 80 # In bits
# Storage
known_destinations = {}
# Storage
known_destinations = {}
@staticmethod
def remember(packet_hash, destination_hash, public_key, app_data = None):
Identity.known_destinations[destination_hash] = [time.time(), packet_hash, public_key, app_data]
@staticmethod
def remember(packet_hash, destination_hash, public_key, app_data = None):
Identity.known_destinations[destination_hash] = [time.time(), packet_hash, public_key, app_data]
@staticmethod
def recall(destination_hash):
RNS.log("Searching for "+RNS.prettyhexrep(destination_hash)+"...", RNS.LOG_EXTREME)
if destination_hash in Identity.known_destinations:
identity_data = Identity.known_destinations[destination_hash]
identity = Identity(public_only=True)
identity.loadPublicKey(identity_data[2])
RNS.log("Found "+RNS.prettyhexrep(destination_hash)+" in known destinations", RNS.LOG_EXTREME)
return identity
else:
RNS.log("Could not find "+RNS.prettyhexrep(destination_hash)+" in known destinations", RNS.LOG_EXTREME)
return None
@staticmethod
def recall(destination_hash):
RNS.log("Searching for "+RNS.prettyhexrep(destination_hash)+"...", RNS.LOG_EXTREME)
if destination_hash in Identity.known_destinations:
identity_data = Identity.known_destinations[destination_hash]
identity = Identity(public_only=True)
identity.loadPublicKey(identity_data[2])
RNS.log("Found "+RNS.prettyhexrep(destination_hash)+" in known destinations", RNS.LOG_EXTREME)
return identity
else:
RNS.log("Could not find "+RNS.prettyhexrep(destination_hash)+" in known destinations", RNS.LOG_EXTREME)
return None
@staticmethod
def saveKnownDestinations():
RNS.log("Saving known destinations to storage...", RNS.LOG_VERBOSE)
file = open(RNS.Reticulum.storagepath+"/known_destinations","wb")
umsgpack.dump(Identity.known_destinations, file)
file.close()
RNS.log("Done saving known destinations to storage", RNS.LOG_VERBOSE)
@staticmethod
def saveKnownDestinations():
RNS.log("Saving known destinations to storage...", RNS.LOG_VERBOSE)
file = open(RNS.Reticulum.storagepath+"/known_destinations","wb")
umsgpack.dump(Identity.known_destinations, file)
file.close()
RNS.log("Done saving known destinations to storage", RNS.LOG_VERBOSE)
@staticmethod
def loadKnownDestinations():
if os.path.isfile(RNS.Reticulum.storagepath+"/known_destinations"):
try:
file = open(RNS.Reticulum.storagepath+"/known_destinations","rb")
Identity.known_destinations = umsgpack.load(file)
file.close()
RNS.log("Loaded "+str(len(Identity.known_destinations))+" known destination from storage", RNS.LOG_VERBOSE)
except:
RNS.log("Error loading known destinations from disk, file will be recreated on exit", RNS.LOG_ERROR)
else:
RNS.log("Destinations file does not exist, so no known destinations loaded", RNS.LOG_VERBOSE)
@staticmethod
def loadKnownDestinations():
if os.path.isfile(RNS.Reticulum.storagepath+"/known_destinations"):
try:
file = open(RNS.Reticulum.storagepath+"/known_destinations","rb")
Identity.known_destinations = umsgpack.load(file)
file.close()
RNS.log("Loaded "+str(len(Identity.known_destinations))+" known destination from storage", RNS.LOG_VERBOSE)
except:
RNS.log("Error loading known destinations from disk, file will be recreated on exit", RNS.LOG_ERROR)
else:
RNS.log("Destinations file does not exist, so no known destinations loaded", RNS.LOG_VERBOSE)
@staticmethod
def fullHash(data):
digest = hashes.Hash(hashes.SHA256(), backend=default_backend())
digest.update(data)
@staticmethod
def fullHash(data):
digest = hashes.Hash(hashes.SHA256(), backend=default_backend())
digest.update(data)
return digest.finalize()
return digest.finalize()
@staticmethod
def truncatedHash(data):
# TODO: Remove
# digest = hashes.Hash(hashes.SHA256(), backend=default_backend())
# digest.update(data)
@staticmethod
def truncatedHash(data):
# TODO: Remove
# digest = hashes.Hash(hashes.SHA256(), backend=default_backend())
# digest.update(data)
return Identity.fullHash(data)[:(Identity.TRUNCATED_HASHLENGTH//8)]
return Identity.fullHash(data)[:(Identity.TRUNCATED_HASHLENGTH//8)]
@staticmethod
def getRandomHash():
return Identity.truncatedHash(os.urandom(10))
@staticmethod
def getRandomHash():
return Identity.truncatedHash(os.urandom(10))
@staticmethod
def validateAnnounce(packet):
if packet.packet_type == RNS.Packet.ANNOUNCE:
RNS.log("Validating announce from "+RNS.prettyhexrep(packet.destination_hash), RNS.LOG_DEBUG)
destination_hash = packet.destination_hash
public_key = packet.data[10:Identity.DERKEYSIZE//8+10]
random_hash = packet.data[Identity.DERKEYSIZE//8+10:Identity.DERKEYSIZE//8+20]
signature = packet.data[Identity.DERKEYSIZE//8+20:Identity.DERKEYSIZE//8+20+Identity.KEYSIZE//8]
app_data = b""
if len(packet.data) > Identity.DERKEYSIZE//8+20+Identity.KEYSIZE//8:
app_data = packet.data[Identity.DERKEYSIZE//8+20+Identity.KEYSIZE//8:]
@staticmethod
def validateAnnounce(packet):
if packet.packet_type == RNS.Packet.ANNOUNCE:
RNS.log("Validating announce from "+RNS.prettyhexrep(packet.destination_hash), RNS.LOG_DEBUG)
destination_hash = packet.destination_hash
public_key = packet.data[10:Identity.DERKEYSIZE//8+10]
random_hash = packet.data[Identity.DERKEYSIZE//8+10:Identity.DERKEYSIZE//8+20]
signature = packet.data[Identity.DERKEYSIZE//8+20:Identity.DERKEYSIZE//8+20+Identity.KEYSIZE//8]
app_data = b""
if len(packet.data) > Identity.DERKEYSIZE//8+20+Identity.KEYSIZE//8:
app_data = packet.data[Identity.DERKEYSIZE//8+20+Identity.KEYSIZE//8:]
signed_data = destination_hash+public_key+random_hash+app_data
signed_data = destination_hash+public_key+random_hash+app_data
announced_identity = Identity(public_only=True)
announced_identity.loadPublicKey(public_key)
announced_identity = Identity(public_only=True)
announced_identity.loadPublicKey(public_key)
if announced_identity.pub != None and announced_identity.validate(signature, signed_data):
RNS.Identity.remember(packet.getHash(), destination_hash, public_key)
RNS.log("Stored valid announce from "+RNS.prettyhexrep(destination_hash), RNS.LOG_DEBUG)
del announced_identity
return True
else:
RNS.log("Received invalid announce", RNS.LOG_DEBUG)
del announced_identity
return False
if announced_identity.pub != None and announced_identity.validate(signature, signed_data):
RNS.Identity.remember(packet.getHash(), destination_hash, public_key)
RNS.log("Stored valid announce from "+RNS.prettyhexrep(destination_hash), RNS.LOG_DEBUG)
del announced_identity
return True
else:
RNS.log("Received invalid announce", RNS.LOG_DEBUG)
del announced_identity
return False
@staticmethod
def exitHandler():
Identity.saveKnownDestinations()
@staticmethod
def exitHandler():
Identity.saveKnownDestinations()
@staticmethod
def from_file(path):
identity = Identity(public_only=True)
if identity.load(path):
return identity
else:
return None
@staticmethod
def from_file(path):
identity = Identity(public_only=True)
if identity.load(path):
return identity
else:
return None
def __init__(self,public_only=False):
# Initialize keys to none
self.prv = None
self.pub = None
self.prv_bytes = None
self.pub_bytes = None
self.hash = None
self.hexhash = None
def __init__(self,public_only=False):
# Initialize keys to none
self.prv = None
self.pub = None
self.prv_bytes = None
self.pub_bytes = None
self.hash = None
self.hexhash = None
if not public_only:
self.createKeys()
if not public_only:
self.createKeys()
def createKeys(self):
self.prv = rsa.generate_private_key(
public_exponent=65337,
key_size=Identity.KEYSIZE,
backend=default_backend()
)
self.prv_bytes = self.prv.private_bytes(
encoding=serialization.Encoding.DER,
format=serialization.PrivateFormat.PKCS8,
encryption_algorithm=serialization.NoEncryption()
)
self.pub = self.prv.public_key()
self.pub_bytes = self.pub.public_bytes(
encoding=serialization.Encoding.DER,
format=serialization.PublicFormat.SubjectPublicKeyInfo
)
def createKeys(self):
self.prv = rsa.generate_private_key(
public_exponent=65337,
key_size=Identity.KEYSIZE,
backend=default_backend()
)
self.prv_bytes = self.prv.private_bytes(
encoding=serialization.Encoding.DER,
format=serialization.PrivateFormat.PKCS8,
encryption_algorithm=serialization.NoEncryption()
)
self.pub = self.prv.public_key()
self.pub_bytes = self.pub.public_bytes(
encoding=serialization.Encoding.DER,
format=serialization.PublicFormat.SubjectPublicKeyInfo
)
self.updateHashes()
self.updateHashes()
RNS.log("Identity keys created for "+RNS.prettyhexrep(self.hash), RNS.LOG_VERBOSE)
RNS.log("Identity keys created for "+RNS.prettyhexrep(self.hash), RNS.LOG_VERBOSE)
def getPrivateKey(self):
return self.prv_bytes
def getPrivateKey(self):
return self.prv_bytes
def getPublicKey(self):
return self.pub_bytes
def getPublicKey(self):
return self.pub_bytes
def loadPrivateKey(self, prv_bytes):
try:
self.prv_bytes = prv_bytes
self.prv = serialization.load_der_private_key(
self.prv_bytes,
password=None,
backend=default_backend()
)
self.pub = self.prv.public_key()
self.pub_bytes = self.pub.public_bytes(
encoding=serialization.Encoding.DER,
format=serialization.PublicFormat.SubjectPublicKeyInfo
)
self.updateHashes()
def loadPrivateKey(self, prv_bytes):
try:
self.prv_bytes = prv_bytes
self.prv = serialization.load_der_private_key(
self.prv_bytes,
password=None,
backend=default_backend()
)
self.pub = self.prv.public_key()
self.pub_bytes = self.pub.public_bytes(
encoding=serialization.Encoding.DER,
format=serialization.PublicFormat.SubjectPublicKeyInfo
)
self.updateHashes()
return True
return True
except Exception as e:
RNS.log("Failed to load identity key", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e))
return False
except Exception as e:
RNS.log("Failed to load identity key", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e))
return False
def loadPublicKey(self, key):
try:
self.pub_bytes = key
self.pub = load_der_public_key(self.pub_bytes, backend=default_backend())
self.updateHashes()
except Exception as e:
RNS.log("Error while loading public key, the contained exception was: "+str(e), RNS.LOG_ERROR)
def loadPublicKey(self, key):
try:
self.pub_bytes = key
self.pub = load_der_public_key(self.pub_bytes, backend=default_backend())
self.updateHashes()
except Exception as e:
RNS.log("Error while loading public key, the contained exception was: "+str(e), RNS.LOG_ERROR)
def updateHashes(self):
self.hash = Identity.truncatedHash(self.pub_bytes)
self.hexhash = self.hash.hex()
def updateHashes(self):
self.hash = Identity.truncatedHash(self.pub_bytes)
self.hexhash = self.hash.hex()
def save(self, path):
try:
with open(path, "wb") as key_file:
key_file.write(self.prv_bytes)
return True
return False
except Exception as e:
RNS.log("Error while saving identity to "+str(path), RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e))
def save(self, path):
try:
with open(path, "wb") as key_file:
key_file.write(self.prv_bytes)
return True
return False
except Exception as e:
RNS.log("Error while saving identity to "+str(path), RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e))
def load(self, path):
try:
with open(path, "rb") as key_file:
prv_bytes = key_file.read()
return self.loadPrivateKey(prv_bytes)
return False
except Exception as e:
RNS.log("Error while loading identity from "+str(path), RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e))
def load(self, path):
try:
with open(path, "rb") as key_file:
prv_bytes = key_file.read()
return self.loadPrivateKey(prv_bytes)
return False
except Exception as e:
RNS.log("Error while loading identity from "+str(path), RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e))
def encrypt(self, plaintext):
if self.pub != None:
chunksize = Identity.ENCRYPT_CHUNKSIZE
chunks = int(math.ceil(len(plaintext)/(float(chunksize))))
def encrypt(self, plaintext):
if self.pub != None:
chunksize = Identity.ENCRYPT_CHUNKSIZE
chunks = int(math.ceil(len(plaintext)/(float(chunksize))))
ciphertext = b"";
for chunk in range(chunks):
start = chunk*chunksize
end = (chunk+1)*chunksize
if (chunk+1)*chunksize > len(plaintext):
end = len(plaintext)
ciphertext += self.pub.encrypt(
plaintext[start:end],
padding.OAEP(
mgf=padding.MGF1(algorithm=hashes.SHA1()),
algorithm=hashes.SHA1(),
label=None
)
)
return ciphertext
else:
raise KeyError("Encryption failed because identity does not hold a public key")
ciphertext = b"";
for chunk in range(chunks):
start = chunk*chunksize
end = (chunk+1)*chunksize
if (chunk+1)*chunksize > len(plaintext):
end = len(plaintext)
ciphertext += self.pub.encrypt(
plaintext[start:end],
padding.OAEP(
mgf=padding.MGF1(algorithm=hashes.SHA1()),
algorithm=hashes.SHA1(),
label=None
)
)
return ciphertext
else:
raise KeyError("Encryption failed because identity does not hold a public key")
def decrypt(self, ciphertext):
if self.prv != None:
plaintext = None
try:
chunksize = Identity.DECRYPT_CHUNKSIZE
chunks = int(math.ceil(len(ciphertext)/(float(chunksize))))
def decrypt(self, ciphertext):
if self.prv != None:
plaintext = None
try:
chunksize = Identity.DECRYPT_CHUNKSIZE
chunks = int(math.ceil(len(ciphertext)/(float(chunksize))))
plaintext = b"";
for chunk in range(chunks):
start = chunk*chunksize
end = (chunk+1)*chunksize
if (chunk+1)*chunksize > len(ciphertext):
end = len(ciphertext)
plaintext = b"";
for chunk in range(chunks):
start = chunk*chunksize
end = (chunk+1)*chunksize
if (chunk+1)*chunksize > len(ciphertext):
end = len(ciphertext)
plaintext += self.prv.decrypt(
ciphertext[start:end],
padding.OAEP(
mgf=padding.MGF1(algorithm=hashes.SHA1()),
algorithm=hashes.SHA1(),
label=None
)
)
except:
RNS.log("Decryption by "+RNS.prettyhexrep(self.hash)+" failed", RNS.LOG_VERBOSE)
return plaintext;
else:
raise KeyError("Decryption failed because identity does not hold a private key")
plaintext += self.prv.decrypt(
ciphertext[start:end],
padding.OAEP(
mgf=padding.MGF1(algorithm=hashes.SHA1()),
algorithm=hashes.SHA1(),
label=None
)
)
except:
RNS.log("Decryption by "+RNS.prettyhexrep(self.hash)+" failed", RNS.LOG_VERBOSE)
return plaintext;
else:
raise KeyError("Decryption failed because identity does not hold a private key")
def sign(self, message):
if self.prv != None:
signature = self.prv.sign(
message,
padding.PSS(
mgf=padding.MGF1(hashes.SHA256()),
salt_length=padding.PSS.MAX_LENGTH
),
hashes.SHA256()
)
return signature
else:
raise KeyError("Signing failed because identity does not hold a private key")
def sign(self, message):
if self.prv != None:
signature = self.prv.sign(
message,
padding.PSS(
mgf=padding.MGF1(hashes.SHA256()),
salt_length=padding.PSS.MAX_LENGTH
),
hashes.SHA256()
)
return signature
else:
raise KeyError("Signing failed because identity does not hold a private key")
def validate(self, signature, message):
if self.pub != None:
try:
self.pub.verify(
signature,
message,
padding.PSS(
mgf=padding.MGF1(hashes.SHA256()),
salt_length=padding.PSS.MAX_LENGTH
),
hashes.SHA256()
)
return True
except Exception as e:
return False
else:
raise KeyError("Signature validation failed because identity does not hold a public key")
def validate(self, signature, message):
if self.pub != None:
try:
self.pub.verify(
signature,
message,
padding.PSS(
mgf=padding.MGF1(hashes.SHA256()),
salt_length=padding.PSS.MAX_LENGTH
),
hashes.SHA256()
)
return True
except Exception as e:
return False
else:
raise KeyError("Signature validation failed because identity does not hold a public key")
def prove(self, packet, destination=None):
signature = self.sign(packet.packet_hash)
if RNS.Reticulum.should_use_implicit_proof():
proof_data = signature
else:
proof_data = packet.packet_hash + signature
if destination == None:
destination = packet.generateProofDestination()
def prove(self, packet, destination=None):
signature = self.sign(packet.packet_hash)
if RNS.Reticulum.should_use_implicit_proof():
proof_data = signature
else:
proof_data = packet.packet_hash + signature
if destination == None:
destination = packet.generateProofDestination()
proof = RNS.Packet(destination, proof_data, RNS.Packet.PROOF, attached_interface = packet.receiving_interface)
proof.send()
proof = RNS.Packet(destination, proof_data, RNS.Packet.PROOF, attached_interface = packet.receiving_interface)
proof.send()
def __str__(self):
return RNS.prettyhexrep(self.hash)
def __str__(self):
return RNS.prettyhexrep(self.hash)

500
RNS/Interfaces/AX25KISSInterface.py
View File

@ -8,298 +8,298 @@ import time
import RNS
class KISS():
FEND = 0xC0
FESC = 0xDB
TFEND = 0xDC
TFESC = 0xDD
CMD_UNKNOWN = 0xFE
CMD_DATA = 0x00
CMD_TXDELAY = 0x01
CMD_P = 0x02
CMD_SLOTTIME = 0x03
CMD_TXTAIL = 0x04
CMD_FULLDUPLEX = 0x05
CMD_SETHARDWARE = 0x06
CMD_READY = 0x0F
CMD_RETURN = 0xFF
FEND = 0xC0
FESC = 0xDB
TFEND = 0xDC
TFESC = 0xDD
CMD_UNKNOWN = 0xFE
CMD_DATA = 0x00
CMD_TXDELAY = 0x01
CMD_P = 0x02
CMD_SLOTTIME = 0x03
CMD_TXTAIL = 0x04
CMD_FULLDUPLEX = 0x05
CMD_SETHARDWARE = 0x06
CMD_READY = 0x0F
CMD_RETURN = 0xFF
@staticmethod
def escape(data):
data = data.replace(bytes([0xdb]), bytes([0xdb, 0xdd]))
data = data.replace(bytes([0xc0]), bytes([0xdb, 0xdc]))
return data
@staticmethod
def escape(data):
data = data.replace(bytes([0xdb]), bytes([0xdb, 0xdd]))
data = data.replace(bytes([0xc0]), bytes([0xdb, 0xdc]))
return data
class AX25():
PID_NOLAYER3 = 0xF0
CTRL_UI = 0x03
CRC_CORRECT = bytes([0xF0])+bytes([0xB8])
HEADER_SIZE = 16
PID_NOLAYER3 = 0xF0
CTRL_UI = 0x03
CRC_CORRECT = bytes([0xF0])+bytes([0xB8])
HEADER_SIZE = 16
class AX25KISSInterface(Interface):
MAX_CHUNK = 32768
MAX_CHUNK = 32768
owner = None
port = None
speed = None
databits = None
parity = None
stopbits = None
serial = None
owner = None
port = None
speed = None
databits = None
parity = None
stopbits = None
serial = None
def __init__(self, owner, name, callsign, ssid, port, speed, databits, parity, stopbits, preamble, txtail, persistence, slottime, flow_control):
self.serial = None
self.owner = owner
self.name = name
self.src_call = callsign.upper().encode("ascii")
self.src_ssid = ssid
self.dst_call = "APZRNS".encode("ascii")
self.dst_ssid = 0
self.port = port
self.speed = speed
self.databits = databits
self.parity = serial.PARITY_NONE
self.stopbits = stopbits
self.timeout = 100
self.online = False
# TODO: Sane default and make this configurable
# TODO: Changed to 25ms instead of 100ms, check it
self.txdelay = 0.025
def __init__(self, owner, name, callsign, ssid, port, speed, databits, parity, stopbits, preamble, txtail, persistence, slottime, flow_control):
self.serial = None
self.owner = owner
self.name = name
self.src_call = callsign.upper().encode("ascii")
self.src_ssid = ssid
self.dst_call = "APZRNS".encode("ascii")
self.dst_ssid = 0
self.port = port
self.speed = speed
self.databits = databits
self.parity = serial.PARITY_NONE
self.stopbits = stopbits
self.timeout = 100
self.online = False
# TODO: Sane default and make this configurable
# TODO: Changed to 25ms instead of 100ms, check it
self.txdelay = 0.025
self.packet_queue = []
self.flow_control = flow_control
self.interface_ready = False
self.packet_queue = []
self.flow_control = flow_control
self.interface_ready = False
if (len(self.src_call) < 3 or len(self.src_call) > 6):
raise ValueError("Invalid callsign for "+str(self))
if (len(self.src_call) < 3 or len(self.src_call) > 6):
raise ValueError("Invalid callsign for "+str(self))
if (self.src_ssid < 0 or self.src_ssid > 15):
raise ValueError("Invalid SSID for "+str(self))
if (self.src_ssid < 0 or self.src_ssid > 15):
raise ValueError("Invalid SSID for "+str(self))
self.preamble = preamble if preamble != None else 350;
self.txtail = txtail if txtail != None else 20;
self.persistence = persistence if persistence != None else 64;
self.slottime = slottime if slottime != None else 20;
self.preamble = preamble if preamble != None else 350;
self.txtail = txtail if txtail != None else 20;
self.persistence = persistence if persistence != None else 64;
self.slottime = slottime if slottime != None else 20;
if parity.lower() == "e" or parity.lower() == "even":
self.parity = serial.PARITY_EVEN
if parity.lower() == "e" or parity.lower() == "even":
self.parity = serial.PARITY_EVEN
if parity.lower() == "o" or parity.lower() == "odd":
self.parity = serial.PARITY_ODD
if parity.lower() == "o" or parity.lower() == "odd":
self.parity = serial.PARITY_ODD
try:
RNS.log("Opening serial port "+self.port+"...")
self.serial = serial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
except Exception as e:
RNS.log("Could not open serial port for interface "+str(self), RNS.LOG_ERROR)
raise e
try:
RNS.log("Opening serial port "+self.port+"...")
self.serial = serial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
except Exception as e:
RNS.log("Could not open serial port for interface "+str(self), RNS.LOG_ERROR)
raise e
if self.serial.is_open:
# Allow time for interface to initialise before config
sleep(2.0)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
RNS.log("Configuring AX.25 KISS interface parameters...")
self.setPreamble(self.preamble)
self.setTxTail(self.txtail)
self.setPersistence(self.persistence)
self.setSlotTime(self.slottime)
self.setFlowControl(self.flow_control)
self.interface_ready = True
RNS.log("AX.25 KISS interface configured")
sleep(2)
else:
raise IOError("Could not open serial port")
if self.serial.is_open:
# Allow time for interface to initialise before config
sleep(2.0)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
RNS.log("Configuring AX.25 KISS interface parameters...")
self.setPreamble(self.preamble)
self.setTxTail(self.txtail)
self.setPersistence(self.persistence)
self.setSlotTime(self.slottime)
self.setFlowControl(self.flow_control)
self.interface_ready = True
RNS.log("AX.25 KISS interface configured")
sleep(2)
else:
raise IOError("Could not open serial port")
def setPreamble(self, preamble):
preamble_ms = preamble
preamble = int(preamble_ms / 10)
if preamble < 0:
preamble = 0
if preamble > 255:
preamble = 255
def setPreamble(self, preamble):
preamble_ms = preamble
preamble = int(preamble_ms / 10)
if preamble < 0:
preamble = 0
if preamble > 255:
preamble = 255
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_TXDELAY])+bytes([preamble])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure AX.25 KISS interface preamble to "+str(preamble_ms)+" (command value "+str(preamble)+")")
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_TXDELAY])+bytes([preamble])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure AX.25 KISS interface preamble to "+str(preamble_ms)+" (command value "+str(preamble)+")")
def setTxTail(self, txtail):
txtail_ms = txtail
txtail = int(txtail_ms / 10)
if txtail < 0:
txtail = 0
if txtail > 255:
txtail = 255
def setTxTail(self, txtail):
txtail_ms = txtail
txtail = int(txtail_ms / 10)
if txtail < 0:
txtail = 0
if txtail > 255:
txtail = 255
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_TXTAIL])+bytes([txtail])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure AX.25 KISS interface TX tail to "+str(txtail_ms)+" (command value "+str(txtail)+")")
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_TXTAIL])+bytes([txtail])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure AX.25 KISS interface TX tail to "+str(txtail_ms)+" (command value "+str(txtail)+")")
def setPersistence(self, persistence):
if persistence < 0:
persistence = 0
if persistence > 255:
persistence = 255
def setPersistence(self, persistence):
if persistence < 0:
persistence = 0
if persistence > 255:
persistence = 255
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_P])+bytes([persistence])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure AX.25 KISS interface persistence to "+str(persistence))
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_P])+bytes([persistence])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure AX.25 KISS interface persistence to "+str(persistence))
def setSlotTime(self, slottime):
slottime_ms = slottime
slottime = int(slottime_ms / 10)
if slottime < 0:
slottime = 0
if slottime > 255:
slottime = 255
def setSlotTime(self, slottime):
slottime_ms = slottime
slottime = int(slottime_ms / 10)
if slottime < 0:
slottime = 0
if slottime > 255:
slottime = 255
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_SLOTTIME])+bytes([slottime])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure AX.25 KISS interface slot time to "+str(slottime_ms)+" (command value "+str(slottime)+")")
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_SLOTTIME])+bytes([slottime])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure AX.25 KISS interface slot time to "+str(slottime_ms)+" (command value "+str(slottime)+")")
def setFlowControl(self, flow_control):
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_READY])+bytes([0x01])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
if (flow_control):
raise IOError("Could not enable AX.25 KISS interface flow control")
else:
raise IOError("Could not enable AX.25 KISS interface flow control")
def setFlowControl(self, flow_control):
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_READY])+bytes([0x01])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
if (flow_control):
raise IOError("Could not enable AX.25 KISS interface flow control")
else:
raise IOError("Could not enable AX.25 KISS interface flow control")
def processIncoming(self, data):
if (len(data) > AX25.HEADER_SIZE):
self.owner.inbound(data[AX25.HEADER_SIZE:], self)
def processIncoming(self, data):
if (len(data) > AX25.HEADER_SIZE):
self.owner.inbound(data[AX25.HEADER_SIZE:], self)
def processOutgoing(self,data):
if self.online:
if self.interface_ready:
if self.flow_control:
self.interface_ready = False
def processOutgoing(self,data):
if self.online:
if self.interface_ready:
if self.flow_control:
self.interface_ready = False
encoded_dst_ssid = bytes([0x60 | (self.dst_ssid << 1)])
encoded_src_ssid = bytes([0x60 | (self.src_ssid << 1) | 0x01])
encoded_dst_ssid = bytes([0x60 | (self.dst_ssid << 1)])
encoded_src_ssid = bytes([0x60 | (self.src_ssid << 1) | 0x01])
addr = b""
addr = b""
for i in range(0,6):
if (i < len(self.dst_call)):
addr += bytes([self.dst_call[i]<<1])
else:
addr += bytes([0x20])
addr += encoded_dst_ssid
for i in range(0,6):
if (i < len(self.dst_call)):
addr += bytes([self.dst_call[i]<<1])
else:
addr += bytes([0x20])
addr += encoded_dst_ssid
for i in range(0,6):
if (i < len(self.src_call)):
addr += bytes([self.src_call[i]<<1])
else:
addr += bytes([0x20])
addr += encoded_src_ssid
for i in range(0,6):
if (i < len(self.src_call)):
addr += bytes([self.src_call[i]<<1])
else:
addr += bytes([0x20])
addr += encoded_src_ssid
data = addr+bytes([AX25.CTRL_UI])+bytes([AX25.PID_NOLAYER3])+data
data = addr+bytes([AX25.CTRL_UI])+bytes([AX25.PID_NOLAYER3])+data
data = data.replace(bytes([0xdb]), bytes([0xdb])+bytes([0xdd]))
data = data.replace(bytes([0xc0]), bytes([0xdb])+bytes([0xdc]))
kiss_frame = bytes([KISS.FEND])+bytes([0x00])+data+bytes([KISS.FEND])
data = data.replace(bytes([0xdb]), bytes([0xdb])+bytes([0xdd]))
data = data.replace(bytes([0xc0]), bytes([0xdb])+bytes([0xdc]))
kiss_frame = bytes([KISS.FEND])+bytes([0x00])+data+bytes([KISS.FEND])
if (self.txdelay > 0):
RNS.log(str(self.name)+" delaying TX for "+str(self.txdelay)+" seconds", RNS.LOG_EXTREME)
sleep(self.txdelay)
if (self.txdelay > 0):
RNS.log(str(self.name)+" delaying TX for "+str(self.txdelay)+" seconds", RNS.LOG_EXTREME)
sleep(self.txdelay)
written = self.serial.write(kiss_frame)
if written != len(kiss_frame):
if self.flow_control:
self.interface_ready = True
raise IOError("AX.25 interface only wrote "+str(written)+" bytes of "+str(len(kiss_frame)))
else:
self.queue(data)
written = self.serial.write(kiss_frame)
if written != len(kiss_frame):
if self.flow_control:
self.interface_ready = True
raise IOError("AX.25 interface only wrote "+str(written)+" bytes of "+str(len(kiss_frame)))
else:
self.queue(data)
def queue(self, data):
self.packet_queue.append(data)
def queue(self, data):
self.packet_queue.append(data)
def process_queue(self):
if len(self.packet_queue) > 0:
data = self.packet_queue.pop(0)
self.interface_ready = True
self.processOutgoing(data)
elif len(self.packet_queue) == 0:
self.interface_ready = True
def process_queue(self):
if len(self.packet_queue) > 0:
data = self.packet_queue.pop(0)
self.interface_ready = True
self.processOutgoing(data)
elif len(self.packet_queue) == 0:
self.interface_ready = True
def readLoop(self):
try:
in_frame = False
escape = False
command = KISS.CMD_UNKNOWN
data_buffer = b""
last_read_ms = int(time.time()*1000)
def readLoop(self):
try:
in_frame = False
escape = False
command = KISS.CMD_UNKNOWN
data_buffer = b""
last_read_ms = int(time.time()*1000)
while self.serial.is_open:
if self.serial.in_waiting:
byte = ord(self.serial.read(1))
last_read_ms = int(time.time()*1000)
while self.serial.is_open:
if self.serial.in_waiting:
byte = ord(self.serial.read(1))
last_read_ms = int(time.time()*1000)
if (in_frame and byte == KISS.FEND and command == KISS.CMD_DATA):
in_frame = False
self.processIncoming(data_buffer)
elif (byte == KISS.FEND):
in_frame = True
command = KISS.CMD_UNKNOWN
data_buffer = b""
elif (in_frame and len(data_buffer) < RNS.Reticulum.MTU+AX25.HEADER_SIZE):
if (len(data_buffer) == 0 and command == KISS.CMD_UNKNOWN):
# We only support one HDLC port for now, so
# strip off the port nibble
byte = byte & 0x0F
command = byte
elif (command == KISS.CMD_DATA):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
data_buffer = data_buffer+bytes([byte])
elif (command == KISS.CMD_READY):
# TODO: add timeout and reset if ready
# command never arrives
self.process_queue()
else:
time_since_last = int(time.time()*1000) - last_read_ms
if len(data_buffer) > 0 and time_since_last > self.timeout:
data_buffer = b""
in_frame = False
command = KISS.CMD_UNKNOWN
escape = False
sleep(0.08)
if (in_frame and byte == KISS.FEND and command == KISS.CMD_DATA):
in_frame = False
self.processIncoming(data_buffer)
elif (byte == KISS.FEND):
in_frame = True
command = KISS.CMD_UNKNOWN
data_buffer = b""
elif (in_frame and len(data_buffer) < RNS.Reticulum.MTU+AX25.HEADER_SIZE):
if (len(data_buffer) == 0 and command == KISS.CMD_UNKNOWN):
# We only support one HDLC port for now, so
# strip off the port nibble
byte = byte & 0x0F
command = byte
elif (command == KISS.CMD_DATA):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
data_buffer = data_buffer+bytes([byte])
elif (command == KISS.CMD_READY):
# TODO: add timeout and reset if ready
# command never arrives
self.process_queue()
else:
time_since_last = int(time.time()*1000) - last_read_ms
if len(data_buffer) > 0 and time_since_last > self.timeout:
data_buffer = b""
in_frame = False
command = KISS.CMD_UNKNOWN
escape = False
sleep(0.08)
except Exception as e:
self.online = False
RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("The interface "+str(self.name)+" is now offline. Restart Reticulum to attempt reconnection.", RNS.LOG_ERROR)
except Exception as e:
self.online = False
RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("The interface "+str(self.name)+" is now offline. Restart Reticulum to attempt reconnection.", RNS.LOG_ERROR)
def __str__(self):
return "AX25KISSInterface["+self.name+"]"
def __str__(self):
return "AX25KISSInterface["+self.name+"]"

4
RNS/Interfaces/Interface.py
View File

@ -11,5 +11,5 @@ class Interface:
pass
def get_hash(self):
# TODO: Maybe expand this to something more unique
return RNS.Identity.fullHash(str(self).encode("utf-8"))
# TODO: Maybe expand this to something more unique
return RNS.Identity.fullHash(str(self).encode("utf-8"))

424
RNS/Interfaces/KISSInterface.py
View File

@ -7,250 +7,250 @@ import time
import RNS
class KISS():
FEND = 0xC0
FESC = 0xDB
TFEND = 0xDC
TFESC = 0xDD
CMD_UNKNOWN = 0xFE
CMD_DATA = 0x00
CMD_TXDELAY = 0x01
CMD_P = 0x02
CMD_SLOTTIME = 0x03
CMD_TXTAIL = 0x04
CMD_FULLDUPLEX = 0x05
CMD_SETHARDWARE = 0x06
CMD_READY = 0x0F
CMD_RETURN = 0xFF
FEND = 0xC0
FESC = 0xDB
TFEND = 0xDC
TFESC = 0xDD
CMD_UNKNOWN = 0xFE
CMD_DATA = 0x00
CMD_TXDELAY = 0x01
CMD_P = 0x02
CMD_SLOTTIME = 0x03
CMD_TXTAIL = 0x04
CMD_FULLDUPLEX = 0x05
CMD_SETHARDWARE = 0x06
CMD_READY = 0x0F
CMD_RETURN = 0xFF
@staticmethod
def escape(data):
data = data.replace(bytes([0xdb]), bytes([0xdb, 0xdd]))
data = data.replace(bytes([0xc0]), bytes([0xdb, 0xdc]))
return data
@staticmethod
def escape(data):
data = data.replace(bytes([0xdb]), bytes([0xdb, 0xdd]))
data = data.replace(bytes([0xc0]), bytes([0xdb, 0xdc]))
return data
class KISSInterface(Interface):
MAX_CHUNK = 32768
MAX_CHUNK = 32768
owner = None
port = None
speed = None
databits = None
parity = None
stopbits = None
serial = None
owner = None
port = None
speed = None
databits = None
parity = None
stopbits = None
serial = None
def __init__(self, owner, name, port, speed, databits, parity, stopbits, preamble, txtail, persistence, slottime, flow_control):
self.serial = None
self.owner = owner
self.name = name
self.port = port
self.speed = speed
self.databits = databits
self.parity = serial.PARITY_NONE
self.stopbits = stopbits
self.timeout = 100
self.online = False
def __init__(self, owner, name, port, speed, databits, parity, stopbits, preamble, txtail, persistence, slottime, flow_control):
self.serial = None
self.owner = owner
self.name = name
self.port = port
self.speed = speed
self.databits = databits
self.parity = serial.PARITY_NONE
self.stopbits = stopbits
self.timeout = 100
self.online = False
self.packet_queue = []
self.flow_control = flow_control
self.interface_ready = False
self.packet_queue = []
self.flow_control = flow_control
self.interface_ready = False
self.preamble = preamble if preamble != None else 350;
self.txtail = txtail if txtail != None else 20;
self.persistence = persistence if persistence != None else 64;
self.slottime = slottime if slottime != None else 20;
self.preamble = preamble if preamble != None else 350;
self.txtail = txtail if txtail != None else 20;
self.persistence = persistence if persistence != None else 64;
self.slottime = slottime if slottime != None else 20;
if parity.lower() == "e" or parity.lower() == "even":
self.parity = serial.PARITY_EVEN
if parity.lower() == "e" or parity.lower() == "even":
self.parity = serial.PARITY_EVEN
if parity.lower() == "o" or parity.lower() == "odd":
self.parity = serial.PARITY_ODD
if parity.lower() == "o" or parity.lower() == "odd":
self.parity = serial.PARITY_ODD
try:
RNS.log("Opening serial port "+self.port+"...")
self.serial = serial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
except Exception as e:
RNS.log("Could not open serial port "+self.port, RNS.LOG_ERROR)
raise e
try:
RNS.log("Opening serial port "+self.port+"...")
self.serial = serial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
except Exception as e:
RNS.log("Could not open serial port "+self.port, RNS.LOG_ERROR)
raise e
if self.serial.is_open:
# Allow time for interface to initialise before config
sleep(2.0)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
RNS.log("Configuring KISS interface parameters...")
self.setPreamble(self.preamble)
self.setTxTail(self.txtail)
self.setPersistence(self.persistence)
self.setSlotTime(self.slottime)
self.setFlowControl(self.flow_control)
self.interface_ready = True
RNS.log("KISS interface configured")
else:
raise IOError("Could not open serial port")
if self.serial.is_open:
# Allow time for interface to initialise before config
sleep(2.0)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
RNS.log("Configuring KISS interface parameters...")
self.setPreamble(self.preamble)
self.setTxTail(self.txtail)
self.setPersistence(self.persistence)
self.setSlotTime(self.slottime)
self.setFlowControl(self.flow_control)
self.interface_ready = True
RNS.log("KISS interface configured")
else:
raise IOError("Could not open serial port")
def setPreamble(self, preamble):
preamble_ms = preamble
preamble = int(preamble_ms / 10)
if preamble < 0:
preamble = 0
if preamble > 255:
preamble = 255
def setPreamble(self, preamble):
preamble_ms = preamble
preamble = int(preamble_ms / 10)
if preamble < 0:
preamble = 0
if preamble > 255:
preamble = 255
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_TXDELAY])+bytes([preamble])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure KISS interface preamble to "+str(preamble_ms)+" (command value "+str(preamble)+")")
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_TXDELAY])+bytes([preamble])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure KISS interface preamble to "+str(preamble_ms)+" (command value "+str(preamble)+")")
def setTxTail(self, txtail):
txtail_ms = txtail
txtail = int(txtail_ms / 10)
if txtail < 0:
txtail = 0
if txtail > 255:
txtail = 255
def setTxTail(self, txtail):
txtail_ms = txtail
txtail = int(txtail_ms / 10)
if txtail < 0:
txtail = 0
if txtail > 255:
txtail = 255
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_TXTAIL])+bytes([txtail])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure KISS interface TX tail to "+str(txtail_ms)+" (command value "+str(txtail)+")")
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_TXTAIL])+bytes([txtail])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure KISS interface TX tail to "+str(txtail_ms)+" (command value "+str(txtail)+")")
def setPersistence(self, persistence):
if persistence < 0:
persistence = 0
if persistence > 255:
persistence = 255
def setPersistence(self, persistence):
if persistence < 0:
persistence = 0
if persistence > 255:
persistence = 255
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_P])+bytes([persistence])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure KISS interface persistence to "+str(persistence))
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_P])+bytes([persistence])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure KISS interface persistence to "+str(persistence))
def setSlotTime(self, slottime):
slottime_ms = slottime
slottime = int(slottime_ms / 10)
if slottime < 0:
slottime = 0
if slottime > 255:
slottime = 255
def setSlotTime(self, slottime):
slottime_ms = slottime
slottime = int(slottime_ms / 10)
if slottime < 0:
slottime = 0
if slottime > 255:
slottime = 255
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_SLOTTIME])+bytes([slottime])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure KISS interface slot time to "+str(slottime_ms)+" (command value "+str(slottime)+")")
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_SLOTTIME])+bytes([slottime])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("Could not configure KISS interface slot time to "+str(slottime_ms)+" (command value "+str(slottime)+")")
def setFlowControl(self, flow_control):
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_READY])+bytes([0x01])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
if (flow_control):
raise IOError("Could not enable KISS interface flow control")
else:
raise IOError("Could not enable KISS interface flow control")
def setFlowControl(self, flow_control):
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_READY])+bytes([0x01])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
if (flow_control):
raise IOError("Could not enable KISS interface flow control")
else:
raise IOError("Could not enable KISS interface flow control")
def processIncoming(self, data):
self.owner.inbound(data, self)
def processIncoming(self, data):
self.owner.inbound(data, self)
def processOutgoing(self,data):
if self.online:
if self.interface_ready:
if self.flow_control:
self.interface_ready = False
def processOutgoing(self,data):
if self.online:
if self.interface_ready:
if self.flow_control:
self.interface_ready = False
data = data.replace(bytes([0xdb]), bytes([0xdb])+bytes([0xdd]))
data = data.replace(bytes([0xc0]), bytes([0xdb])+bytes([0xdc]))
frame = bytes([KISS.FEND])+bytes([0x00])+data+bytes([KISS.FEND])
data = data.replace(bytes([0xdb]), bytes([0xdb])+bytes([0xdd]))
data = data.replace(bytes([0xc0]), bytes([0xdb])+bytes([0xdc]))
frame = bytes([KISS.FEND])+bytes([0x00])+data+bytes([KISS.FEND])
written = self.serial.write(frame)
if written != len(frame):
raise IOError("Serial interface only wrote "+str(written)+" bytes of "+str(len(data)))
written = self.serial.write(frame)
if written != len(frame):
raise IOError("Serial interface only wrote "+str(written)+" bytes of "+str(len(data)))
else:
self.queue(data)
else:
self.queue(data)
def queue(self, data):
self.packet_queue.append(data)
def queue(self, data):
self.packet_queue.append(data)
def process_queue(self):
if len(self.packet_queue) > 0:
data = self.packet_queue.pop(0)
self.interface_ready = True
self.processOutgoing(data)
elif len(self.packet_queue) == 0:
self.interface_ready = True
def process_queue(self):
if len(self.packet_queue) > 0:
data = self.packet_queue.pop(0)
self.interface_ready = True
self.processOutgoing(data)
elif len(self.packet_queue) == 0:
self.interface_ready = True
def readLoop(self):
try:
in_frame = False
escape = False
command = KISS.CMD_UNKNOWN
data_buffer = b""
last_read_ms = int(time.time()*1000)
def readLoop(self):
try:
in_frame = False
escape = False
command = KISS.CMD_UNKNOWN
data_buffer = b""
last_read_ms = int(time.time()*1000)
while self.serial.is_open:
if self.serial.in_waiting:
byte = ord(self.serial.read(1))
last_read_ms = int(time.time()*1000)
while self.serial.is_open:
if self.serial.in_waiting:
byte = ord(self.serial.read(1))
last_read_ms = int(time.time()*1000)
if (in_frame and byte == KISS.FEND and command == KISS.CMD_DATA):
in_frame = False
self.processIncoming(data_buffer)
elif (byte == KISS.FEND):
in_frame = True
command = KISS.CMD_UNKNOWN
data_buffer = b""
elif (in_frame and len(data_buffer) < RNS.Reticulum.MTU):
if (len(data_buffer) == 0 and command == KISS.CMD_UNKNOWN):
# We only support one HDLC port for now, so
# strip off the port nibble
byte = byte & 0x0F
command = byte
elif (command == KISS.CMD_DATA):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
data_buffer = data_buffer+bytes([byte])
elif (command == KISS.CMD_READY):
# TODO: add timeout and reset if ready
# command never arrives
self.process_queue()
else:
time_since_last = int(time.time()*1000) - last_read_ms
if len(data_buffer) > 0 and time_since_last > self.timeout:
data_buffer = b""
in_frame = False
command = KISS.CMD_UNKNOWN
escape = False
sleep(0.08)
if (in_frame and byte == KISS.FEND and command == KISS.CMD_DATA):
in_frame = False
self.processIncoming(data_buffer)
elif (byte == KISS.FEND):
in_frame = True
command = KISS.CMD_UNKNOWN
data_buffer = b""
elif (in_frame and len(data_buffer) < RNS.Reticulum.MTU):
if (len(data_buffer) == 0 and command == KISS.CMD_UNKNOWN):
# We only support one HDLC port for now, so
# strip off the port nibble
byte = byte & 0x0F
command = byte
elif (command == KISS.CMD_DATA):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
data_buffer = data_buffer+bytes([byte])
elif (command == KISS.CMD_READY):
# TODO: add timeout and reset if ready
# command never arrives
self.process_queue()
else:
time_since_last = int(time.time()*1000) - last_read_ms
if len(data_buffer) > 0 and time_since_last > self.timeout:
data_buffer = b""
in_frame = False
command = KISS.CMD_UNKNOWN
escape = False
sleep(0.08)
except Exception as e:
self.online = False
RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("The interface "+str(self.name)+" is now offline. Restart Reticulum to attempt reconnection.", RNS.LOG_ERROR)
except Exception as e:
self.online = False
RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("The interface "+str(self.name)+" is now offline. Restart Reticulum to attempt reconnection.", RNS.LOG_ERROR)
def __str__(self):
return "KISSInterface["+self.name+"]"
def __str__(self):
return "KISSInterface["+self.name+"]"

792
RNS/Interfaces/RNodeInterface.py
View File

@ -9,454 +9,454 @@ import math
import RNS
class KISS():
FEND = 0xC0
FESC = 0xDB
TFEND = 0xDC
TFESC = 0xDD
CMD_UNKNOWN = 0xFE
CMD_DATA = 0x00
CMD_FREQUENCY = 0x01
CMD_BANDWIDTH = 0x02
CMD_TXPOWER = 0x03
CMD_SF = 0x04
CMD_CR = 0x05
CMD_RADIO_STATE = 0x06
CMD_RADIO_LOCK = 0x07
CMD_DETECT = 0x08
CMD_READY = 0x0F
CMD_STAT_RX = 0x21
CMD_STAT_TX = 0x22
CMD_STAT_RSSI = 0x23
CMD_STAT_SNR = 0x24
CMD_BLINK = 0x30
CMD_RANDOM = 0x40
CMD_FW_VERSION = 0x50
CMD_ROM_READ = 0x51
FEND = 0xC0
FESC = 0xDB
TFEND = 0xDC
TFESC = 0xDD
CMD_UNKNOWN = 0xFE
CMD_DATA = 0x00
CMD_FREQUENCY = 0x01
CMD_BANDWIDTH = 0x02
CMD_TXPOWER = 0x03
CMD_SF = 0x04
CMD_CR = 0x05
CMD_RADIO_STATE = 0x06
CMD_RADIO_LOCK = 0x07
CMD_DETECT = 0x08
CMD_READY = 0x0F
CMD_STAT_RX = 0x21
CMD_STAT_TX = 0x22
CMD_STAT_RSSI = 0x23
CMD_STAT_SNR = 0x24
CMD_BLINK = 0x30
CMD_RANDOM = 0x40
CMD_FW_VERSION = 0x50
CMD_ROM_READ = 0x51
DETECT_REQ = 0x73
DETECT_RESP = 0x46
RADIO_STATE_OFF = 0x00
RADIO_STATE_ON = 0x01
RADIO_STATE_ASK = 0xFF
CMD_ERROR = 0x90
ERROR_INITRADIO = 0x01
ERROR_TXFAILED = 0x02
ERROR_EEPROM_LOCKED = 0x03
DETECT_REQ = 0x73
DETECT_RESP = 0x46
RADIO_STATE_OFF = 0x00
RADIO_STATE_ON = 0x01
RADIO_STATE_ASK = 0xFF
CMD_ERROR = 0x90
ERROR_INITRADIO = 0x01
ERROR_TXFAILED = 0x02
ERROR_EEPROM_LOCKED = 0x03
@staticmethod
def escape(data):
data = data.replace(bytes([0xdb]), bytes([0xdb, 0xdd]))
data = data.replace(bytes([0xc0]), bytes([0xdb, 0xdc]))
return data
@staticmethod
def escape(data):
data = data.replace(bytes([0xdb]), bytes([0xdb, 0xdd]))
data = data.replace(bytes([0xc0]), bytes([0xdb, 0xdc]))
return data
class RNodeInterface(Interface):
MAX_CHUNK = 32768
MAX_CHUNK = 32768
owner = None
port = None
speed = None
databits = None
parity = None
stopbits = None
serial = None
owner = None
port = None
speed = None
databits = None
parity = None
stopbits = None
serial = None
FREQ_MIN = 137000000
FREQ_MAX = 1020000000
FREQ_MIN = 137000000
FREQ_MAX = 1020000000
RSSI_OFFSET = 157
RSSI_OFFSET = 157
CALLSIGN_MAX_LEN = 32
CALLSIGN_MAX_LEN = 32
def __init__(self, owner, name, port, frequency = None, bandwidth = None, txpower = None, sf = None, cr = None, flow_control = False, id_interval = None, id_callsign = None):
self.serial = None
self.owner = owner
self.name = name
self.port = port
self.speed = 115200
self.databits = 8
self.parity = serial.PARITY_NONE
self.stopbits = 1
self.timeout = 100
self.online = False
def __init__(self, owner, name, port, frequency = None, bandwidth = None, txpower = None, sf = None, cr = None, flow_control = False, id_interval = None, id_callsign = None):
self.serial = None
self.owner = owner
self.name = name
self.port = port
self.speed = 115200
self.databits = 8
self.parity = serial.PARITY_NONE
self.stopbits = 1
self.timeout = 100
self.online = False
self.frequency = frequency
self.bandwidth = bandwidth
self.txpower = txpower
self.sf = sf
self.cr = cr
self.state = KISS.RADIO_STATE_OFF
self.bitrate = 0
self.frequency = frequency
self.bandwidth = bandwidth
self.txpower = txpower
self.sf = sf
self.cr = cr
self.state = KISS.RADIO_STATE_OFF
self.bitrate = 0
self.last_id = 0
self.last_id = 0
self.r_frequency = None
self.r_bandwidth = None
self.r_txpower = None
self.r_sf = None
self.r_cr = None
self.r_state = None
self.r_lock = None
self.r_stat_rx = None
self.r_stat_tx = None
self.r_stat_rssi = None
self.r_random = None
self.r_frequency = None
self.r_bandwidth = None
self.r_txpower = None
self.r_sf = None
self.r_cr = None
self.r_state = None
self.r_lock = None
self.r_stat_rx = None
self.r_stat_tx = None
self.r_stat_rssi = None
self.r_random = None
self.packet_queue = []
self.flow_control = flow_control
self.interface_ready = False
self.packet_queue = []
self.flow_control = flow_control
self.interface_ready = False
self.validcfg = True
if (self.frequency < RNodeInterface.FREQ_MIN or self.frequency > RNodeInterface.FREQ_MAX):
RNS.log("Invalid frequency configured for "+str(self), RNS.LOG_ERROR)
self.validcfg = False
self.validcfg = True
if (self.frequency < RNodeInterface.FREQ_MIN or self.frequency > RNodeInterface.FREQ_MAX):
RNS.log("Invalid frequency configured for "+str(self), RNS.LOG_ERROR)
self.validcfg = False
if (self.txpower < 0 or self.txpower > 17):
RNS.log("Invalid TX power configured for "+str(self), RNS.LOG_ERROR)
self.validcfg = False
if (self.txpower < 0 or self.txpower > 17):
RNS.log("Invalid TX power configured for "+str(self), RNS.LOG_ERROR)
self.validcfg = False
if (self.bandwidth < 7800 or self.bandwidth > 500000):
RNS.log("Invalid bandwidth configured for "+str(self), RNS.LOG_ERROR)
self.validcfg = False
if (self.bandwidth < 7800 or self.bandwidth > 500000):
RNS.log("Invalid bandwidth configured for "+str(self), RNS.LOG_ERROR)
self.validcfg = False
if (self.sf < 7 or self.sf > 12):
RNS.log("Invalid spreading factor configured for "+str(self), RNS.LOG_ERROR)
self.validcfg = False
if (self.sf < 7 or self.sf > 12):
RNS.log("Invalid spreading factor configured for "+str(self), RNS.LOG_ERROR)
self.validcfg = False
if (self.cr < 5 or self.cr > 8):
RNS.log("Invalid coding rate configured for "+str(self), RNS.LOG_ERROR)
self.validcfg = False
if (self.cr < 5 or self.cr > 8):
RNS.log("Invalid coding rate configured for "+str(self), RNS.LOG_ERROR)
self.validcfg = False
if id_interval != None and id_callsign != None:
if (len(id_callsign.encode("utf-8")) <= RNodeInterface.CALLSIGN_MAX_LEN):
self.should_id = True
self.id_callsign = id_callsign
self.id_interval = id_interval
else:
RNS.log("The encoded ID callsign for "+str(self)+" exceeds the max length of "+str(RNodeInterface.CALLSIGN_MAX_LEN)+" bytes.", RNS.LOG_ERROR)
self.validcfg = False
else:
self.id_interval = None
self.id_callsign = None
if id_interval != None and id_callsign != None:
if (len(id_callsign.encode("utf-8")) <= RNodeInterface.CALLSIGN_MAX_LEN):
self.should_id = True
self.id_callsign = id_callsign
self.id_interval = id_interval
else:
RNS.log("The encoded ID callsign for "+str(self)+" exceeds the max length of "+str(RNodeInterface.CALLSIGN_MAX_LEN)+" bytes.", RNS.LOG_ERROR)
self.validcfg = False
else:
self.id_interval = None
self.id_callsign = None
if (not self.validcfg):
raise ValueError("The configuration for "+str(self)+" contains errors, interface is offline")
if (not self.validcfg):
raise ValueError("The configuration for "+str(self)+" contains errors, interface is offline")
try:
RNS.log("Opening serial port "+self.port+"...")
self.serial = serial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
except Exception as e:
RNS.log("Could not open serial port for interface "+str(self), RNS.LOG_ERROR)
raise e
try:
RNS.log("Opening serial port "+self.port+"...")
self.serial = serial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
except Exception as e:
RNS.log("Could not open serial port for interface "+str(self), RNS.LOG_ERROR)
raise e
if self.serial.is_open:
sleep(2.0)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
RNS.log("Configuring RNode interface...", RNS.LOG_VERBOSE)
self.initRadio()
if (self.validateRadioState()):
self.interface_ready = True
RNS.log(str(self)+" is configured and powered up")
sleep(1.0)
else:
RNS.log("After configuring "+str(self)+", the reported radio parameters did not match your configuration.", RNS.LOG_ERROR)
RNS.log("Make sure that your hardware actually supports the parameters specified in the configuration", RNS.LOG_ERROR)
RNS.log("Aborting RNode startup", RNS.LOG_ERROR)
self.serial.close()
raise IOError("RNode interface did not pass validation")
else:
raise IOError("Could not open serial port")
if self.serial.is_open:
sleep(2.0)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
RNS.log("Configuring RNode interface...", RNS.LOG_VERBOSE)
self.initRadio()
if (self.validateRadioState()):
self.interface_ready = True
RNS.log(str(self)+" is configured and powered up")
sleep(1.0)
else:
RNS.log("After configuring "+str(self)+", the reported radio parameters did not match your configuration.", RNS.LOG_ERROR)
RNS.log("Make sure that your hardware actually supports the parameters specified in the configuration", RNS.LOG_ERROR)
RNS.log("Aborting RNode startup", RNS.LOG_ERROR)
self.serial.close()
raise IOError("RNode interface did not pass validation")
else:
raise IOError("Could not open serial port")
def initRadio(self):
self.setFrequency()
self.setBandwidth()
self.setTXPower()
self.setSpreadingFactor()
self.setCodingRate()
self.setRadioState(KISS.RADIO_STATE_ON)
def initRadio(self):
self.setFrequency()
self.setBandwidth()
self.setTXPower()
self.setSpreadingFactor()
self.setCodingRate()
self.setRadioState(KISS.RADIO_STATE_ON)
def setFrequency(self):
c1 = self.frequency >> 24
c2 = self.frequency >> 16 & 0xFF
c3 = self.frequency >> 8 & 0xFF
c4 = self.frequency & 0xFF
data = KISS.escape(bytes([c1])+bytes([c2])+bytes([c3])+bytes([c4]))
def setFrequency(self):
c1 = self.frequency >> 24
c2 = self.frequency >> 16 & 0xFF
c3 = self.frequency >> 8 & 0xFF
c4 = self.frequency & 0xFF
data = KISS.escape(bytes([c1])+bytes([c2])+bytes([c3])+bytes([c4]))
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_FREQUENCY])+data+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while configuring frequency for "+self(str))
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_FREQUENCY])+data+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while configuring frequency for "+self(str))
def setBandwidth(self):
c1 = self.bandwidth >> 24
c2 = self.bandwidth >> 16 & 0xFF
c3 = self.bandwidth >> 8 & 0xFF
c4 = self.bandwidth & 0xFF
data = KISS.escape(bytes([c1])+bytes([c2])+bytes([c3])+bytes([c4]))
def setBandwidth(self):
c1 = self.bandwidth >> 24
c2 = self.bandwidth >> 16 & 0xFF
c3 = self.bandwidth >> 8 & 0xFF
c4 = self.bandwidth & 0xFF
data = KISS.escape(bytes([c1])+bytes([c2])+bytes([c3])+bytes([c4]))
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_BANDWIDTH])+data+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while configuring bandwidth for "+self(str))
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_BANDWIDTH])+data+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while configuring bandwidth for "+self(str))
def setTXPower(self):
txp = bytes([self.txpower])
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_TXPOWER])+txp+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while configuring TX power for "+self(str))
def setTXPower(self):
txp = bytes([self.txpower])
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_TXPOWER])+txp+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while configuring TX power for "+self(str))
def setSpreadingFactor(self):
sf = bytes([self.sf])
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_SF])+sf+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while configuring spreading factor for "+self(str))
def setSpreadingFactor(self):
sf = bytes([self.sf])
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_SF])+sf+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while configuring spreading factor for "+self(str))
def setCodingRate(self):
cr = bytes([self.cr])
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_CR])+cr+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while configuring coding rate for "+self(str))
def setCodingRate(self):
cr = bytes([self.cr])
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_CR])+cr+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while configuring coding rate for "+self(str))
def setRadioState(self, state):
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_RADIO_STATE])+bytes([state])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while configuring radio state for "+self(str))
def setRadioState(self, state):
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_RADIO_STATE])+bytes([state])+bytes([KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while configuring radio state for "+self(str))
def validateRadioState(self):
RNS.log("Validating radio configuration for "+str(self)+"...", RNS.LOG_VERBOSE)
sleep(0.25);
if (self.frequency != self.r_frequency):
RNS.log("Frequency mismatch", RNS.LOG_ERROR)
self.validcfg = False
if (self.bandwidth != self.r_bandwidth):
RNS.log("Bandwidth mismatch", RNS.LOG_ERROR)
self.validcfg = False
if (self.txpower != self.r_txpower):
RNS.log("TX power mismatch", RNS.LOG_ERROR)
self.validcfg = False
if (self.sf != self.r_sf):
RNS.log("Spreading factor mismatch", RNS.LOG_ERROR)
self.validcfg = False
def validateRadioState(self):
RNS.log("Validating radio configuration for "+str(self)+"...", RNS.LOG_VERBOSE)
sleep(0.25);
if (self.frequency != self.r_frequency):
RNS.log("Frequency mismatch", RNS.LOG_ERROR)
self.validcfg = False
if (self.bandwidth != self.r_bandwidth):
RNS.log("Bandwidth mismatch", RNS.LOG_ERROR)
self.validcfg = False
if (self.txpower != self.r_txpower):
RNS.log("TX power mismatch", RNS.LOG_ERROR)
self.validcfg = False
if (self.sf != self.r_sf):
RNS.log("Spreading factor mismatch", RNS.LOG_ERROR)
self.validcfg = False
if (self.validcfg):
return True
else:
return False
if (self.validcfg):
return True
else:
return False
def updateBitrate(self):
try:
self.bitrate = self.r_sf * ( (4.0/self.r_cr) / (math.pow(2,self.r_sf)/(self.r_bandwidth/1000)) ) * 1000
self.bitrate_kbps = round(self.bitrate/1000.0, 2)
RNS.log(str(self)+" On-air bitrate is now "+str(self.bitrate_kbps)+ " kbps", RNS.LOG_INFO)
except:
self.bitrate = 0
def updateBitrate(self):
try:
self.bitrate = self.r_sf * ( (4.0/self.r_cr) / (math.pow(2,self.r_sf)/(self.r_bandwidth/1000)) ) * 1000
self.bitrate_kbps = round(self.bitrate/1000.0, 2)
RNS.log(str(self)+" On-air bitrate is now "+str(self.bitrate_kbps)+ " kbps", RNS.LOG_INFO)
except:
self.bitrate = 0
def processIncoming(self, data):
self.owner.inbound(data, self)
def processIncoming(self, data):
self.owner.inbound(data, self)
def processOutgoing(self,data):
if self.online:
if self.interface_ready:
if self.flow_control:
self.interface_ready = False
def processOutgoing(self,data):
if self.online:
if self.interface_ready:
if self.flow_control:
self.interface_ready = False
frame = b""
frame = b""
if self.id_interval != None and self.id_callsign != None:
if self.last_id + self.id_interval < time.time():
self.last_id = time.time()
frame = bytes([0xc0])+bytes([0x00])+KISS.escape(self.id_callsign.encode("utf-8"))+bytes([0xc0])
if self.id_interval != None and self.id_callsign != None:
if self.last_id + self.id_interval < time.time():
self.last_id = time.time()
frame = bytes([0xc0])+bytes([0x00])+KISS.escape(self.id_callsign.encode("utf-8"))+bytes([0xc0])
data = KISS.escape(data)
frame += bytes([0xc0])+bytes([0x00])+data+bytes([0xc0])
written = self.serial.write(frame)
data = KISS.escape(data)
frame += bytes([0xc0])+bytes([0x00])+data+bytes([0xc0])
written = self.serial.write(frame)
if written != len(frame):
raise IOError("Serial interface only wrote "+str(written)+" bytes of "+str(len(data)))
else:
self.queue(data)
if written != len(frame):
raise IOError("Serial interface only wrote "+str(written)+" bytes of "+str(len(data)))
else:
self.queue(data)
def queue(self, data):
self.packet_queue.append(data)
def queue(self, data):
self.packet_queue.append(data)
def process_queue(self):
if len(self.packet_queue) > 0:
data = self.packet_queue.pop(0)
self.interface_ready = True
self.processOutgoing(data)
elif len(self.packet_queue) == 0:
self.interface_ready = True
def process_queue(self):
if len(self.packet_queue) > 0:
data = self.packet_queue.pop(0)
self.interface_ready = True
self.processOutgoing(data)
elif len(self.packet_queue) == 0:
self.interface_ready = True
def readLoop(self):
try:
in_frame = False
escape = False
command = KISS.CMD_UNKNOWN
data_buffer = b""
command_buffer = b""
last_read_ms = int(time.time()*1000)
def readLoop(self):
try:
in_frame = False
escape = False
command = KISS.CMD_UNKNOWN
data_buffer = b""
command_buffer = b""
last_read_ms = int(time.time()*1000)
while self.serial.is_open:
if self.serial.in_waiting:
byte = ord(self.serial.read(1))
last_read_ms = int(time.time()*1000)
while self.serial.is_open:
if self.serial.in_waiting:
byte = ord(self.serial.read(1))
last_read_ms = int(time.time()*1000)
if (in_frame and byte == KISS.FEND and command == KISS.CMD_DATA):
in_frame = False
self.processIncoming(data_buffer)
data_buffer = b""
command_buffer = b""
elif (byte == KISS.FEND):
in_frame = True
command = KISS.CMD_UNKNOWN
data_buffer = b""
command_buffer = b""
elif (in_frame and len(data_buffer) < RNS.Reticulum.MTU):
if (len(data_buffer) == 0 and command == KISS.CMD_UNKNOWN):
command = byte
elif (command == KISS.CMD_DATA):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
data_buffer = data_buffer+bytes([byte])
elif (command == KISS.CMD_FREQUENCY):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
command_buffer = command_buffer+bytes([byte])
if (len(command_buffer) == 4):
self.r_frequency = command_buffer[0] << 24 | command_buffer[1] << 16 | command_buffer[2] << 8 | command_buffer[3]
RNS.log(str(self)+" Radio reporting frequency is "+str(self.r_frequency/1000000.0)+" MHz", RNS.LOG_DEBUG)
self.updateBitrate()
if (in_frame and byte == KISS.FEND and command == KISS.CMD_DATA):
in_frame = False
self.processIncoming(data_buffer)
data_buffer = b""
command_buffer = b""
elif (byte == KISS.FEND):
in_frame = True
command = KISS.CMD_UNKNOWN
data_buffer = b""
command_buffer = b""
elif (in_frame and len(data_buffer) < RNS.Reticulum.MTU):
if (len(data_buffer) == 0 and command == KISS.CMD_UNKNOWN):
command = byte
elif (command == KISS.CMD_DATA):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
data_buffer = data_buffer+bytes([byte])
elif (command == KISS.CMD_FREQUENCY):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
command_buffer = command_buffer+bytes([byte])
if (len(command_buffer) == 4):
self.r_frequency = command_buffer[0] << 24 | command_buffer[1] << 16 | command_buffer[2] << 8 | command_buffer[3]
RNS.log(str(self)+" Radio reporting frequency is "+str(self.r_frequency/1000000.0)+" MHz", RNS.LOG_DEBUG)
self.updateBitrate()
elif (command == KISS.CMD_BANDWIDTH):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
command_buffer = command_buffer+bytes([byte])
if (len(command_buffer) == 4):
self.r_bandwidth = command_buffer[0] << 24 | command_buffer[1] << 16 | command_buffer[2] << 8 | command_buffer[3]
RNS.log(str(self)+" Radio reporting bandwidth is "+str(self.r_bandwidth/1000.0)+" KHz", RNS.LOG_DEBUG)
self.updateBitrate()
elif (command == KISS.CMD_BANDWIDTH):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
command_buffer = command_buffer+bytes([byte])
if (len(command_buffer) == 4):
self.r_bandwidth = command_buffer[0] << 24 | command_buffer[1] << 16 | command_buffer[2] << 8 | command_buffer[3]
RNS.log(str(self)+" Radio reporting bandwidth is "+str(self.r_bandwidth/1000.0)+" KHz", RNS.LOG_DEBUG)
self.updateBitrate()
elif (command == KISS.CMD_TXPOWER):
self.r_txpower = byte
RNS.log(str(self)+" Radio reporting TX power is "+str(self.r_txpower)+" dBm", RNS.LOG_DEBUG)
elif (command == KISS.CMD_SF):
self.r_sf = byte
RNS.log(str(self)+" Radio reporting spreading factor is "+str(self.r_sf), RNS.LOG_DEBUG)
self.updateBitrate()
elif (command == KISS.CMD_CR):
self.r_cr = byte
RNS.log(str(self)+" Radio reporting coding rate is "+str(self.r_cr), RNS.LOG_DEBUG)
self.updateBitrate()
elif (command == KISS.CMD_RADIO_STATE):
self.r_state = byte
elif (command == KISS.CMD_RADIO_LOCK):
self.r_lock = byte
elif (command == KISS.CMD_STAT_RX):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
command_buffer = command_buffer+bytes([byte])
if (len(command_buffer) == 4):
self.r_stat_rx = ord(command_buffer[0]) << 24 | ord(command_buffer[1]) << 16 | ord(command_buffer[2]) << 8 | ord(command_buffer[3])
elif (command == KISS.CMD_TXPOWER):
self.r_txpower = byte
RNS.log(str(self)+" Radio reporting TX power is "+str(self.r_txpower)+" dBm", RNS.LOG_DEBUG)
elif (command == KISS.CMD_SF):
self.r_sf = byte
RNS.log(str(self)+" Radio reporting spreading factor is "+str(self.r_sf), RNS.LOG_DEBUG)
self.updateBitrate()
elif (command == KISS.CMD_CR):
self.r_cr = byte
RNS.log(str(self)+" Radio reporting coding rate is "+str(self.r_cr), RNS.LOG_DEBUG)
self.updateBitrate()
elif (command == KISS.CMD_RADIO_STATE):
self.r_state = byte
elif (command == KISS.CMD_RADIO_LOCK):
self.r_lock = byte
elif (command == KISS.CMD_STAT_RX):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
command_buffer = command_buffer+bytes([byte])
if (len(command_buffer) == 4):
self.r_stat_rx = ord(command_buffer[0]) << 24 | ord(command_buffer[1]) << 16 | ord(command_buffer[2]) << 8 | ord(command_buffer[3])
elif (command == KISS.CMD_STAT_TX):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
command_buffer = command_buffer+bytes([byte])
if (len(command_buffer) == 4):
self.r_stat_tx = ord(command_buffer[0]) << 24 | ord(command_buffer[1]) << 16 | ord(command_buffer[2]) << 8 | ord(command_buffer[3])
elif (command == KISS.CMD_STAT_TX):
if (byte == KISS.FESC):
escape = True
else:
if (escape):
if (byte == KISS.TFEND):
byte = KISS.FEND
if (byte == KISS.TFESC):
byte = KISS.FESC
escape = False
command_buffer = command_buffer+bytes([byte])
if (len(command_buffer) == 4):
self.r_stat_tx = ord(command_buffer[0]) << 24 | ord(command_buffer[1]) << 16 | ord(command_buffer[2]) << 8 | ord(command_buffer[3])
elif (command == KISS.CMD_STAT_RSSI):
self.r_stat_rssi = byte-RNodeInterface.RSSI_OFFSET
elif (command == KISS.CMD_STAT_SNR):
self.r_stat_snr = int.from_bytes(bytes([byte]), byteorder="big", signed=True) * 0.25
elif (command == KISS.CMD_RANDOM):
self.r_random = byte
elif (command == KISS.CMD_ERROR):
if (byte == KISS.ERROR_INITRADIO):
RNS.log(str(self)+" hardware initialisation error (code "+RNS.hexrep(byte)+")", RNS.LOG_ERROR)
elif (byte == KISS.ERROR_INITRADIO):
RNS.log(str(self)+" hardware TX error (code "+RNS.hexrep(byte)+")", RNS.LOG_ERROR)
else:
RNS.log(str(self)+" hardware error (code "+RNS.hexrep(byte)+")", RNS.LOG_ERROR)
elif (command == KISS.CMD_READY):
self.process_queue()
else:
time_since_last = int(time.time()*1000) - last_read_ms
if len(data_buffer) > 0 and time_since_last > self.timeout:
RNS.log(str(self)+" serial read timeout", RNS.LOG_DEBUG)
data_buffer = b""
in_frame = False
command = KISS.CMD_UNKNOWN
escape = False
sleep(0.08)
elif (command == KISS.CMD_STAT_RSSI):
self.r_stat_rssi = byte-RNodeInterface.RSSI_OFFSET
elif (command == KISS.CMD_STAT_SNR):
self.r_stat_snr = int.from_bytes(bytes([byte]), byteorder="big", signed=True) * 0.25
elif (command == KISS.CMD_RANDOM):
self.r_random = byte
elif (command == KISS.CMD_ERROR):
if (byte == KISS.ERROR_INITRADIO):
RNS.log(str(self)+" hardware initialisation error (code "+RNS.hexrep(byte)+")", RNS.LOG_ERROR)
elif (byte == KISS.ERROR_INITRADIO):
RNS.log(str(self)+" hardware TX error (code "+RNS.hexrep(byte)+")", RNS.LOG_ERROR)
else:
RNS.log(str(self)+" hardware error (code "+RNS.hexrep(byte)+")", RNS.LOG_ERROR)
elif (command == KISS.CMD_READY):
self.process_queue()
else:
time_since_last = int(time.time()*1000) - last_read_ms
if len(data_buffer) > 0 and time_since_last > self.timeout:
RNS.log(str(self)+" serial read timeout", RNS.LOG_DEBUG)
data_buffer = b""
in_frame = False
command = KISS.CMD_UNKNOWN
escape = False
sleep(0.08)
except Exception as e:
self.online = False
RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("The interface "+str(self.name)+" is now offline. Restart Reticulum to attempt reconnection.", RNS.LOG_ERROR)
except Exception as e:
self.online = False
RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("The interface "+str(self.name)+" is now offline. Restart Reticulum to attempt reconnection.", RNS.LOG_ERROR)
def __str__(self):
return "RNodeInterface["+self.name+"]"
def __str__(self):
return "RNodeInterface["+self.name+"]"

218
RNS/Interfaces/SerialInterface.py
View File

@ -7,130 +7,130 @@ import time
import RNS
class HDLC():
# The Serial Interface packetizes data using
# simplified HDLC framing, similar to PPP
FLAG = 0x7E
ESC = 0x7D
ESC_MASK = 0x20
# The Serial Interface packetizes data using
# simplified HDLC framing, similar to PPP
FLAG = 0x7E
ESC = 0x7D
ESC_MASK = 0x20
@staticmethod
def escape(data):
data = data.replace(bytes([HDLC.ESC]), bytes([HDLC.ESC, HDLC.ESC^HDLC.ESC_MASK]))
data = data.replace(bytes([HDLC.FLAG]), bytes([HDLC.ESC, HDLC.FLAG^HDLC.ESC_MASK]))
return data
@staticmethod
def escape(data):
data = data.replace(bytes([HDLC.ESC]), bytes([HDLC.ESC, HDLC.ESC^HDLC.ESC_MASK]))
data = data.replace(bytes([HDLC.FLAG]), bytes([HDLC.ESC, HDLC.FLAG^HDLC.ESC_MASK]))
return data
class SerialInterface(Interface):
MAX_CHUNK = 32768
MAX_CHUNK = 32768
owner = None
port = None
speed = None
databits = None
parity = None
stopbits = None
serial = None
owner = None
port = None
speed = None
databits = None
parity = None
stopbits = None
serial = None
def __init__(self, owner, name, port, speed, databits, parity, stopbits):
self.serial = None
self.owner = owner
self.name = name
self.port = port
self.speed = speed
self.databits = databits
self.parity = serial.PARITY_NONE
self.stopbits = stopbits
self.timeout = 100
self.online = False
def __init__(self, owner, name, port, speed, databits, parity, stopbits):
self.serial = None
self.owner = owner
self.name = name
self.port = port
self.speed = speed
self.databits = databits
self.parity = serial.PARITY_NONE
self.stopbits = stopbits
self.timeout = 100
self.online = False
if parity.lower() == "e" or parity.lower() == "even":
self.parity = serial.PARITY_EVEN
if parity.lower() == "e" or parity.lower() == "even":
self.parity = serial.PARITY_EVEN
if parity.lower() == "o" or parity.lower() == "odd":
self.parity = serial.PARITY_ODD
if parity.lower() == "o" or parity.lower() == "odd":
self.parity = serial.PARITY_ODD
try:
RNS.log("Opening serial port "+self.port+"...")
self.serial = serial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
except Exception as e:
RNS.log("Could not open serial port for interface "+str(self), RNS.LOG_ERROR)
raise e
try:
RNS.log("Opening serial port "+self.port+"...")
self.serial = serial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
except Exception as e:
RNS.log("Could not open serial port for interface "+str(self), RNS.LOG_ERROR)
raise e
if self.serial.is_open:
sleep(0.5)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
else:
raise IOError("Could not open serial port")
if self.serial.is_open:
sleep(0.5)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
else:
raise IOError("Could not open serial port")
def processIncoming(self, data):
self.owner.inbound(data, self)
def processIncoming(self, data):
self.owner.inbound(data, self)
def processOutgoing(self,data):
if self.online:
data = bytes([HDLC.FLAG])+HDLC.escape(data)+bytes([HDLC.FLAG])
written = self.serial.write(data)
if written != len(data):
raise IOError("Serial interface only wrote "+str(written)+" bytes of "+str(len(data)))
def processOutgoing(self,data):
if self.online:
data = bytes([HDLC.FLAG])+HDLC.escape(data)+bytes([HDLC.FLAG])
written = self.serial.write(data)
if written != len(data):
raise IOError("Serial interface only wrote "+str(written)+" bytes of "+str(len(data)))
def readLoop(self):
try:
in_frame = False
escape = False
data_buffer = b""
last_read_ms = int(time.time()*1000)
def readLoop(self):
try:
in_frame = False
escape = False
data_buffer = b""
last_read_ms = int(time.time()*1000)
while self.serial.is_open:
if self.serial.in_waiting:
byte = ord(self.serial.read(1))
last_read_ms = int(time.time()*1000)
while self.serial.is_open:
if self.serial.in_waiting:
byte = ord(self.serial.read(1))
last_read_ms = int(time.time()*1000)
if (in_frame and byte == HDLC.FLAG):
in_frame = False
self.processIncoming(data_buffer)
elif (byte == HDLC.FLAG):
in_frame = True
data_buffer = b""
elif (in_frame and len(data_buffer) < RNS.Reticulum.MTU):
if (byte == HDLC.ESC):
escape = True
else:
if (escape):
if (byte == HDLC.FLAG ^ HDLC.ESC_MASK):
byte = HDLC.FLAG
if (byte == HDLC.ESC ^ HDLC.ESC_MASK):
byte = HDLC.ESC
escape = False
data_buffer = data_buffer+bytes([byte])
else:
time_since_last = int(time.time()*1000) - last_read_ms
if len(data_buffer) > 0 and time_since_last > self.timeout:
data_buffer = b""
in_frame = False
escape = False
sleep(0.08)
except Exception as e:
self.online = False
RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("The interface "+str(self.name)+" is now offline. Restart Reticulum to attempt reconnection.", RNS.LOG_ERROR)
if (in_frame and byte == HDLC.FLAG):
in_frame = False
self.processIncoming(data_buffer)
elif (byte == HDLC.FLAG):
in_frame = True
data_buffer = b""
elif (in_frame and len(data_buffer) < RNS.Reticulum.MTU):
if (byte == HDLC.ESC):
escape = True
else:
if (escape):
if (byte == HDLC.FLAG ^ HDLC.ESC_MASK):
byte = HDLC.FLAG
if (byte == HDLC.ESC ^ HDLC.ESC_MASK):
byte = HDLC.ESC
escape = False
data_buffer = data_buffer+bytes([byte])
else:
time_since_last = int(time.time()*1000) - last_read_ms
if len(data_buffer) > 0 and time_since_last > self.timeout:
data_buffer = b""
in_frame = False
escape = False
sleep(0.08)
except Exception as e:
self.online = False
RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("The interface "+str(self.name)+" is now offline. Restart Reticulum to attempt reconnection.", RNS.LOG_ERROR)
def __str__(self):
return "SerialInterface["+self.name+"]"
def __str__(self):
return "SerialInterface["+self.name+"]"

1032
RNS/Link.py
View File

File diff suppressed because it is too large Load Diff

694
RNS/Packet.py
View File

@ -5,411 +5,411 @@ import time
import RNS
class Packet:
# Packet types
DATA = 0x00 # Data packets
ANNOUNCE = 0x01 # Announces
LINKREQUEST = 0x02 # Link requests
PROOF = 0x03 # Proofs
types = [DATA, ANNOUNCE, LINKREQUEST, PROOF]
# Packet types
DATA = 0x00 # Data packets
ANNOUNCE = 0x01 # Announces
LINKREQUEST = 0x02 # Link requests
PROOF = 0x03 # Proofs
types = [DATA, ANNOUNCE, LINKREQUEST, PROOF]
# Header types
HEADER_1 = 0x00 # Normal header format
HEADER_2 = 0x01 # Header format used for packets in transport
HEADER_3 = 0x02 # Reserved
HEADER_4 = 0x03 # Reserved
header_types = [HEADER_1, HEADER_2, HEADER_3, HEADER_4]
# Header types
HEADER_1 = 0x00 # Normal header format
HEADER_2 = 0x01 # Header format used for packets in transport
HEADER_3 = 0x02 # Reserved
HEADER_4 = 0x03 # Reserved
header_types = [HEADER_1, HEADER_2, HEADER_3, HEADER_4]
# Data packet context types
NONE = 0x00 # Generic data packet
RESOURCE = 0x01 # Packet is part of a resource
RESOURCE_ADV = 0x02 # Packet is a resource advertisement
RESOURCE_REQ = 0x03 # Packet is a resource part request
RESOURCE_HMU = 0x04 # Packet is a resource hashmap update
RESOURCE_PRF = 0x05 # Packet is a resource proof
RESOURCE_ICL = 0x06 # Packet is a resource initiator cancel message
RESOURCE_RCL = 0x07 # Packet is a resource receiver cancel message
CACHE_REQUEST = 0x08 # Packet is a cache request
REQUEST = 0x09 # Packet is a request
RESPONSE = 0x0A # Packet is a response to a request
PATH_RESPONSE = 0x0B # Packet is a response to a path request
COMMAND = 0x0C # Packet is a command
COMMAND_STATUS = 0x0D # Packet is a status of an executed command
KEEPALIVE = 0xFB # Packet is a keepalive packet
LINKCLOSE = 0xFC # Packet is a link close message
LINKPROOF = 0xFD # Packet is a link packet proof
LRRTT = 0xFE # Packet is a link request round-trip time measurement
LRPROOF = 0xFF # Packet is a link request proof
# Data packet context types
NONE = 0x00 # Generic data packet
RESOURCE = 0x01 # Packet is part of a resource
RESOURCE_ADV = 0x02 # Packet is a resource advertisement
RESOURCE_REQ = 0x03 # Packet is a resource part request
RESOURCE_HMU = 0x04 # Packet is a resource hashmap update
RESOURCE_PRF = 0x05 # Packet is a resource proof
RESOURCE_ICL = 0x06 # Packet is a resource initiator cancel message
RESOURCE_RCL = 0x07 # Packet is a resource receiver cancel message
CACHE_REQUEST = 0x08 # Packet is a cache request
REQUEST = 0x09 # Packet is a request
RESPONSE = 0x0A # Packet is a response to a request
PATH_RESPONSE = 0x0B # Packet is a response to a path request
COMMAND = 0x0C # Packet is a command
COMMAND_STATUS = 0x0D # Packet is a status of an executed command
KEEPALIVE = 0xFB # Packet is a keepalive packet
LINKCLOSE = 0xFC # Packet is a link close message
LINKPROOF = 0xFD # Packet is a link packet proof
LRRTT = 0xFE # Packet is a link request round-trip time measurement
LRPROOF = 0xFF # Packet is a link request proof
# This is used to calculate allowable
# payload sizes
HEADER_MAXSIZE = 23
MDU = RNS.Reticulum.MDU
# This is used to calculate allowable
# payload sizes
HEADER_MAXSIZE = 23
MDU = RNS.Reticulum.MDU
# With an MTU of 500, the maximum RSA-encrypted
# amount of data we can send in a single packet
# is given by the below calculation; 258 bytes.
RSA_MDU = math.floor(MDU/RNS.Identity.DECRYPT_CHUNKSIZE)*RNS.Identity.ENCRYPT_CHUNKSIZE
PLAIN_MDU = MDU
# With an MTU of 500, the maximum RSA-encrypted
# amount of data we can send in a single packet
# is given by the below calculation; 258 bytes.
RSA_MDU = math.floor(MDU/RNS.Identity.DECRYPT_CHUNKSIZE)*RNS.Identity.ENCRYPT_CHUNKSIZE
PLAIN_MDU = MDU
# TODO: This should be calculated
# more intelligently
# Default packet timeout
TIMEOUT = 60
# TODO: This should be calculated
# more intelligently
# Default packet timeout
TIMEOUT = 60
def __init__(self, destination, data, packet_type = DATA, context = NONE, transport_type = RNS.Transport.BROADCAST, header_type = HEADER_1, transport_id = None, attached_interface = None, create_receipt = True):
if destination != None:
if transport_type == None:
transport_type = RNS.Transport.BROADCAST
def __init__(self, destination, data, packet_type = DATA, context = NONE, transport_type = RNS.Transport.BROADCAST, header_type = HEADER_1, transport_id = None, attached_interface = None, create_receipt = True):
if destination != None:
if transport_type == None:
transport_type = RNS.Transport.BROADCAST
self.header_type = header_type
self.packet_type = packet_type
self.transport_type = transport_type
self.context = context
self.header_type = header_type
self.packet_type = packet_type
self.transport_type = transport_type
self.context = context
self.hops = 0;
self.destination = destination
self.transport_id = transport_id
self.data = data
self.flags = self.getPackedFlags()
self.hops = 0;
self.destination = destination
self.transport_id = transport_id
self.data = data
self.flags = self.getPackedFlags()
self.raw = None
self.packed = False
self.sent = False
self.create_receipt = create_receipt
self.receipt = None
self.fromPacked = False
else:
self.raw = data
self.packed = True
self.fromPacked = True
self.create_receipt = False
self.raw = None
self.packed = False
self.sent = False
self.create_receipt = create_receipt
self.receipt = None
self.fromPacked = False
else:
self.raw = data
self.packed = True
self.fromPacked = True
self.create_receipt = False
self.MTU = RNS.Reticulum.MTU
self.sent_at = None
self.packet_hash = None
self.MTU = RNS.Reticulum.MTU
self.sent_at = None
self.packet_hash = None
self.attached_interface = attached_interface
self.receiving_interface = None
self.attached_interface = attached_interface
self.receiving_interface = None
def getPackedFlags(self):
if self.context == Packet.LRPROOF:
packed_flags = (self.header_type << 6) | (self.transport_type << 4) | RNS.Destination.LINK | self.packet_type
else:
packed_flags = (self.header_type << 6) | (self.transport_type << 4) | (self.destination.type << 2) | self.packet_type
return packed_flags
def getPackedFlags(self):
if self.context == Packet.LRPROOF:
packed_flags = (self.header_type << 6) | (self.transport_type << 4) | RNS.Destination.LINK | self.packet_type
else:
packed_flags = (self.header_type << 6) | (self.transport_type << 4) | (self.destination.type << 2) | self.packet_type
return packed_flags
def pack(self):
self.destination_hash = self.destination.hash
self.header = b""
self.header += struct.pack("!B", self.flags)
self.header += struct.pack("!B", self.hops)
def pack(self):
self.destination_hash = self.destination.hash
self.header = b""
self.header += struct.pack("!B", self.flags)
self.header += struct.pack("!B", self.hops)
if self.context == Packet.LRPROOF:
self.header += self.destination.link_id
self.ciphertext = self.data
else:
if self.header_type == Packet.HEADER_1:
self.header += self.destination.hash
if self.context == Packet.LRPROOF:
self.header += self.destination.link_id
self.ciphertext = self.data
else:
if self.header_type == Packet.HEADER_1:
self.header += self.destination.hash
if self.packet_type == Packet.ANNOUNCE:
# Announce packets are not encrypted
self.ciphertext = self.data
elif self.packet_type == Packet.PROOF and self.context == Packet.RESOURCE_PRF:
# Resource proofs are not encrypted
self.ciphertext = self.data
elif self.packet_type == Packet.PROOF and self.destination.type == RNS.Destination.LINK:
# Packet proofs over links are not encrypted
self.ciphertext = self.data
elif self.context == Packet.RESOURCE:
# A resource takes care of symmetric
# encryption by itself
self.ciphertext = self.data
elif self.context == Packet.KEEPALIVE:
# Keepalive packets contain no actual
# data
self.ciphertext = self.data
elif self.context == Packet.CACHE_REQUEST:
# Cache-requests are not encrypted
self.ciphertext = self.data
else:
# In all other cases, we encrypt the packet
# with the destination's encryption method
self.ciphertext = self.destination.encrypt(self.data)
if self.packet_type == Packet.ANNOUNCE:
# Announce packets are not encrypted
self.ciphertext = self.data
elif self.packet_type == Packet.PROOF and self.context == Packet.RESOURCE_PRF:
# Resource proofs are not encrypted
self.ciphertext = self.data
elif self.packet_type == Packet.PROOF and self.destination.type == RNS.Destination.LINK:
# Packet proofs over links are not encrypted
self.ciphertext = self.data
elif self.context == Packet.RESOURCE:
# A resource takes care of symmetric
# encryption by itself
self.ciphertext = self.data
elif self.context == Packet.KEEPALIVE:
# Keepalive packets contain no actual
# data
self.ciphertext = self.data
elif self.context == Packet.CACHE_REQUEST:
# Cache-requests are not encrypted
self.ciphertext = self.data
else:
# In all other cases, we encrypt the packet
# with the destination's encryption method
self.ciphertext = self.destination.encrypt(self.data)
if self.header_type == Packet.HEADER_2:
if self.transport_id != None:
self.header += self.transport_id
self.header += self.destination.hash
if self.header_type == Packet.HEADER_2:
if self.transport_id != None:
self.header += self.transport_id
self.header += self.destination.hash
if self.packet_type == Packet.ANNOUNCE:
# Announce packets are not encrypted
self.ciphertext = self.data
else:
raise IOError("Packet with header type 2 must have a transport ID")
if self.packet_type == Packet.ANNOUNCE:
# Announce packets are not encrypted
self.ciphertext = self.data
else:
raise IOError("Packet with header type 2 must have a transport ID")
self.header += bytes([self.context])
self.raw = self.header + self.ciphertext
self.header += bytes([self.context])
self.raw = self.header + self.ciphertext
if len(self.raw) > self.MTU:
raise IOError("Packet size of "+str(len(self.raw))+" exceeds MTU of "+str(self.MTU)+" bytes")
if len(self.raw) > self.MTU:
raise IOError("Packet size of "+str(len(self.raw))+" exceeds MTU of "+str(self.MTU)+" bytes")
self.packed = True
self.updateHash()
self.packed = True
self.updateHash()
def unpack(self):
self.flags = self.raw[0]
self.hops = self.raw[1]
def unpack(self):
self.flags = self.raw[0]
self.hops = self.raw[1]
self.header_type = (self.flags & 0b11000000) >> 6
self.transport_type = (self.flags & 0b00110000) >> 4
self.destination_type = (self.flags & 0b00001100) >> 2
self.packet_type = (self.flags & 0b00000011)
self.header_type = (self.flags & 0b11000000) >> 6
self.transport_type = (self.flags & 0b00110000) >> 4
self.destination_type = (self.flags & 0b00001100) >> 2
self.packet_type = (self.flags & 0b00000011)
if self.header_type == Packet.HEADER_2:
self.transport_id = self.raw[2:12]
self.destination_hash = self.raw[12:22]
self.context = ord(self.raw[22:23])
self.data = self.raw[23:]
else:
self.transport_id = None
self.destination_hash = self.raw[2:12]
self.context = ord(self.raw[12:13])
self.data = self.raw[13:]
if self.header_type == Packet.HEADER_2:
self.transport_id = self.raw[2:12]
self.destination_hash = self.raw[12:22]
self.context = ord(self.raw[22:23])
self.data = self.raw[23:]
else:
self.transport_id = None
self.destination_hash = self.raw[2:12]
self.context = ord(self.raw[12:13])
self.data = self.raw[13:]
self.packed = False
self.updateHash()
self.packed = False
self.updateHash()
# Sends the packet. Returns a receipt if one is generated,
# or None if no receipt is available. Returns False if the
# packet could not be sent.
def send(self):
if not self.sent:
if self.destination.type == RNS.Destination.LINK:
if self.destination.status == RNS.Link.CLOSED:
raise IOError("Attempt to transmit over a closed link")
else:
self.destination.last_outbound = time.time()
self.destination.tx += 1
self.destination.txbytes += len(self.data)
# Sends the packet. Returns a receipt if one is generated,
# or None if no receipt is available. Returns False if the
# packet could not be sent.
def send(self):
if not self.sent:
if self.destination.type == RNS.Destination.LINK:
if self.destination.status == RNS.Link.CLOSED:
raise IOError("Attempt to transmit over a closed link")
else:
self.destination.last_outbound = time.time()
self.destination.tx += 1
self.destination.txbytes += len(self.data)
if not self.packed:
self.pack()
if RNS.Transport.outbound(self):
return self.receipt
else:
RNS.log("No interfaces could process the outbound packet", RNS.LOG_ERROR)
self.sent = False
self.receipt = None
return False
else:
raise IOError("Packet was already sent")
if not self.packed:
self.pack()
if RNS.Transport.outbound(self):
return self.receipt
else:
RNS.log("No interfaces could process the outbound packet", RNS.LOG_ERROR)
self.sent = False
self.receipt = None
return False
else:
raise IOError("Packet was already sent")
def resend(self):
if self.sent:
if RNS.Transport.outbound(self):
return self.receipt
else:
RNS.log("No interfaces could process the outbound packet", RNS.LOG_ERROR)
self.sent = False
self.receipt = None
return False
else:
raise IOError("Packet was not sent yet")
def resend(self):
if self.sent:
if RNS.Transport.outbound(self):
return self.receipt
else:
RNS.log("No interfaces could process the outbound packet", RNS.LOG_ERROR)
self.sent = False
self.receipt = None
return False
else:
raise IOError("Packet was not sent yet")
def prove(self, destination=None):
if self.fromPacked and hasattr(self, "destination") and self.destination:
if self.destination.identity and self.destination.identity.prv:
self.destination.identity.prove(self, destination)
elif self.fromPacked and hasattr(self, "link") and self.link:
self.link.prove_packet(self)
else:
RNS.log("Could not prove packet associated with neither a destination nor a link", RNS.LOG_ERROR)
def prove(self, destination=None):
if self.fromPacked and hasattr(self, "destination") and self.destination:
if self.destination.identity and self.destination.identity.prv:
self.destination.identity.prove(self, destination)
elif self.fromPacked and hasattr(self, "link") and self.link:
self.link.prove_packet(self)
else:
RNS.log("Could not prove packet associated with neither a destination nor a link", RNS.LOG_ERROR)
# Generates a special destination that allows Reticulum
# to direct the proof back to the proved packet's sender
def generateProofDestination(self):
return ProofDestination(self)
# Generates a special destination that allows Reticulum
# to direct the proof back to the proved packet's sender
def generateProofDestination(self):
return ProofDestination(self)
def validateProofPacket(self, proof_packet):
return self.receipt.validateProofPacket(proof_packet)
def validateProofPacket(self, proof_packet):
return self.receipt.validateProofPacket(proof_packet)
def validateProof(self, proof):
return self.receipt.validateProof(proof)
def validateProof(self, proof):
return self.receipt.validateProof(proof)
def updateHash(self):
self.packet_hash = self.getHash()
def updateHash(self):
self.packet_hash = self.getHash()
def getHash(self):
return RNS.Identity.fullHash(self.getHashablePart())
def getHash(self):
return RNS.Identity.fullHash(self.getHashablePart())
def getTruncatedHash(self):
return RNS.Identity.truncatedHash(self.getHashablePart())
def getTruncatedHash(self):
return RNS.Identity.truncatedHash(self.getHashablePart())
def getHashablePart(self):
hashable_part = bytes([self.raw[0] & 0b00001111])
if self.header_type == Packet.HEADER_2:
hashable_part += self.raw[12:]
else:
hashable_part += self.raw[2:]
def getHashablePart(self):
hashable_part = bytes([self.raw[0] & 0b00001111])
if self.header_type == Packet.HEADER_2:
hashable_part += self.raw[12:]
else:
hashable_part += self.raw[2:]
return hashable_part
return hashable_part
class ProofDestination:
def __init__(self, packet):
self.hash = packet.getHash()[:10];
self.type = RNS.Destination.SINGLE
def __init__(self, packet):
self.hash = packet.getHash()[:10];
self.type = RNS.Destination.SINGLE
def encrypt(self, plaintext):
return plaintext
def encrypt(self, plaintext):
return plaintext
class PacketReceipt:
# Receipt status constants
FAILED = 0x00
SENT = 0x01
DELIVERED = 0x02
CULLED = 0xFF
# Receipt status constants
FAILED = 0x00
SENT = 0x01
DELIVERED = 0x02
CULLED = 0xFF
EXPL_LENGTH = RNS.Identity.HASHLENGTH//8+RNS.Identity.SIGLENGTH//8
IMPL_LENGTH = RNS.Identity.SIGLENGTH//8
EXPL_LENGTH = RNS.Identity.HASHLENGTH//8+RNS.Identity.SIGLENGTH//8
IMPL_LENGTH = RNS.Identity.SIGLENGTH//8
# Creates a new packet receipt from a sent packet
def __init__(self, packet):
self.hash = packet.getHash()
self.sent = True
self.sent_at = time.time()
self.timeout = Packet.TIMEOUT
self.proved = False
self.status = PacketReceipt.SENT
self.destination = packet.destination
self.callbacks = PacketReceiptCallbacks()
self.concluded_at = None
# Creates a new packet receipt from a sent packet
def __init__(self, packet):
self.hash = packet.getHash()
self.sent = True
self.sent_at = time.time()
self.timeout = Packet.TIMEOUT
self.proved = False
self.status = PacketReceipt.SENT
self.destination = packet.destination
self.callbacks = PacketReceiptCallbacks()
self.concluded_at = None
# Validate a proof packet
def validateProofPacket(self, proof_packet):
if hasattr(proof_packet, "link") and proof_packet.link:
return self.validate_link_proof(proof_packet.data, proof_packet.link)
else:
return self.validateProof(proof_packet.data)
# Validate a proof packet
def validateProofPacket(self, proof_packet):
if hasattr(proof_packet, "link") and proof_packet.link:
return self.validate_link_proof(proof_packet.data, proof_packet.link)
else:
return self.validateProof(proof_packet.data)
# Validate a raw proof for a link
def validate_link_proof(self, proof, link):
# TODO: Hardcoded as explicit proofs for now
if True or len(proof) == PacketReceipt.EXPL_LENGTH:
# This is an explicit proof
proof_hash = proof[:RNS.Identity.HASHLENGTH//8]
signature = proof[RNS.Identity.HASHLENGTH//8:RNS.Identity.HASHLENGTH//8+RNS.Identity.SIGLENGTH//8]
if proof_hash == self.hash:
proof_valid = link.validate(signature, self.hash)
if proof_valid:
self.status = PacketReceipt.DELIVERED
self.proved = True
self.concluded_at = time.time()
if self.callbacks.delivery != None:
self.callbacks.delivery(self)
return True
else:
return False
else:
return False
elif len(proof) == PacketReceipt.IMPL_LENGTH:
pass
# TODO: Why is this disabled?
# signature = proof[:RNS.Identity.SIGLENGTH//8]
# proof_valid = self.link.validate(signature, self.hash)
# if proof_valid:
# self.status = PacketReceipt.DELIVERED
# self.proved = True
# self.concluded_at = time.time()
# if self.callbacks.delivery != None:
# self.callbacks.delivery(self)
# RNS.log("valid")
# return True
# else:
# RNS.log("invalid")
# return False
else:
return False
# Validate a raw proof for a link
def validate_link_proof(self, proof, link):
# TODO: Hardcoded as explicit proofs for now
if True or len(proof) == PacketReceipt.EXPL_LENGTH:
# This is an explicit proof
proof_hash = proof[:RNS.Identity.HASHLENGTH//8]
signature = proof[RNS.Identity.HASHLENGTH//8:RNS.Identity.HASHLENGTH//8+RNS.Identity.SIGLENGTH//8]
if proof_hash == self.hash:
proof_valid = link.validate(signature, self.hash)
if proof_valid:
self.status = PacketReceipt.DELIVERED
self.proved = True
self.concluded_at = time.time()
if self.callbacks.delivery != None:
self.callbacks.delivery(self)
return True
else:
return False
else:
return False
elif len(proof) == PacketReceipt.IMPL_LENGTH:
pass
# TODO: Why is this disabled?
# signature = proof[:RNS.Identity.SIGLENGTH//8]
# proof_valid = self.link.validate(signature, self.hash)
# if proof_valid:
# self.status = PacketReceipt.DELIVERED
# self.proved = True
# self.concluded_at = time.time()
# if self.callbacks.delivery != None:
# self.callbacks.delivery(self)
# RNS.log("valid")
# return True
# else:
# RNS.log("invalid")
# return False
else:
return False
# Validate a raw proof
def validateProof(self, proof):
if len(proof) == PacketReceipt.EXPL_LENGTH:
# This is an explicit proof
proof_hash = proof[:RNS.Identity.HASHLENGTH//8]
signature = proof[RNS.Identity.HASHLENGTH//8:RNS.Identity.HASHLENGTH//8+RNS.Identity.SIGLENGTH//8]
if proof_hash == self.hash:
proof_valid = self.destination.identity.validate(signature, self.hash)
if proof_valid:
self.status = PacketReceipt.DELIVERED
self.proved = True
self.concluded_at = time.time()
if self.callbacks.delivery != None:
self.callbacks.delivery(self)
return True
else:
return False
else:
return False
elif len(proof) == PacketReceipt.IMPL_LENGTH:
# This is an implicit proof
if self.destination.identity == None:
return False
# Validate a raw proof
def validateProof(self, proof):
if len(proof) == PacketReceipt.EXPL_LENGTH:
# This is an explicit proof
proof_hash = proof[:RNS.Identity.HASHLENGTH//8]
signature = proof[RNS.Identity.HASHLENGTH//8:RNS.Identity.HASHLENGTH//8+RNS.Identity.SIGLENGTH//8]
if proof_hash == self.hash:
proof_valid = self.destination.identity.validate(signature, self.hash)
if proof_valid:
self.status = PacketReceipt.DELIVERED
self.proved = True
self.concluded_at = time.time()
if self.callbacks.delivery != None:
self.callbacks.delivery(self)
return True
else:
return False
else:
return False
elif len(proof) == PacketReceipt.IMPL_LENGTH:
# This is an implicit proof
if self.destination.identity == None:
return False
signature = proof[:RNS.Identity.SIGLENGTH//8]
proof_valid = self.destination.identity.validate(signature, self.hash)
if proof_valid:
self.status = PacketReceipt.DELIVERED
self.proved = True
self.concluded_at = time.time()
if self.callbacks.delivery != None:
self.callbacks.delivery(self)
return True
else:
return False
else:
return False
signature = proof[:RNS.Identity.SIGLENGTH//8]
proof_valid = self.destination.identity.validate(signature, self.hash)
if proof_valid:
self.status = PacketReceipt.DELIVERED
self.proved = True
self.concluded_at = time.time()
if self.callbacks.delivery != None:
self.callbacks.delivery(self)
return True
else:
return False
else:
return False
def rtt(self):
return self.concluded_at - self.sent_at
def rtt(self):
return self.concluded_at - self.sent_at
def is_timed_out(self):
return (self.sent_at+self.timeout < time.time())
def is_timed_out(self):
return (self.sent_at+self.timeout < time.time())
def check_timeout(self):
if self.is_timed_out():
if self.timeout == -1:
self.status = PacketReceipt.CULLED
else:
self.status = PacketReceipt.FAILED
def check_timeout(self):
if self.is_timed_out():
if self.timeout == -1:
self.status = PacketReceipt.CULLED
else:
self.status = PacketReceipt.FAILED
self.concluded_at = time.time()
self.concluded_at = time.time()
if self.callbacks.timeout:
thread = threading.Thread(target=self.callbacks.timeout, args=(self,))
thread.setDaemon(True)
thread.start()
#self.callbacks.timeout(self)
if self.callbacks.timeout:
thread = threading.Thread(target=self.callbacks.timeout, args=(self,))
thread.setDaemon(True)
thread.start()
#self.callbacks.timeout(self)
# Set the timeout in seconds
def set_timeout(self, timeout):
self.timeout = float(timeout)
# Set the timeout in seconds
def set_timeout(self, timeout):
self.timeout = float(timeout)
# Set a function that gets called when
# a successfull delivery has been proved
def delivery_callback(self, callback):
self.callbacks.delivery = callback
# Set a function that gets called when
# a successfull delivery has been proved
def delivery_callback(self, callback):
self.callbacks.delivery = callback
# Set a function that gets called if the
# delivery times out
def timeout_callback(self, callback):
self.callbacks.timeout = callback
# Set a function that gets called if the
# delivery times out
def timeout_callback(self, callback):
self.callbacks.timeout = callback
class PacketReceiptCallbacks:
def __init__(self):
self.delivery = None
self.timeout = None
def __init__(self):
self.delivery = None
self.timeout = None

658
RNS/Reticulum.py
View File

@ -10,387 +10,387 @@ import os
import RNS
class Reticulum:
MTU = 500
HEADER_MAXSIZE = 23
MDU = MTU - HEADER_MAXSIZE
MTU = 500
HEADER_MAXSIZE = 23
MDU = MTU - HEADER_MAXSIZE
router = None
config = None
configdir = os.path.expanduser("~")+"/.reticulum"
configpath = ""
storagepath = ""
cachepath = ""
@staticmethod
def exit_handler():
RNS.Transport.exitHandler()
RNS.Identity.exitHandler()
router = None
config = None
configdir = os.path.expanduser("~")+"/.reticulum"
configpath = ""
storagepath = ""
cachepath = ""
@staticmethod
def exit_handler():
RNS.Transport.exitHandler()
RNS.Identity.exitHandler()
def __init__(self,configdir=None):
if configdir != None:
Reticulum.configdir = configdir
Reticulum.configpath = Reticulum.configdir+"/config"
Reticulum.storagepath = Reticulum.configdir+"/storage"
Reticulum.cachepath = Reticulum.configdir+"/storage/cache"
Reticulum.resourcepath = Reticulum.configdir+"/storage/resources"
def __init__(self,configdir=None):
if configdir != None:
Reticulum.configdir = configdir
Reticulum.configpath = Reticulum.configdir+"/config"
Reticulum.storagepath = Reticulum.configdir+"/storage"
Reticulum.cachepath = Reticulum.configdir+"/storage/cache"
Reticulum.resourcepath = Reticulum.configdir+"/storage/resources"
Reticulum.__allow_unencrypted = False
Reticulum.__transport_enabled = False
Reticulum.__use_implicit_proof = True
Reticulum.__allow_unencrypted = False
Reticulum.__transport_enabled = False
Reticulum.__use_implicit_proof = True
self.local_interface_port = 37428
self.share_instance = True
self.local_interface_port = 37428
self.share_instance = True
self.is_shared_instance = False
self.is_connected_to_shared_instance = False
self.is_standalone_instance = False
self.is_shared_instance = False
self.is_connected_to_shared_instance = False
self.is_standalone_instance = False
if not os.path.isdir(Reticulum.storagepath):
os.makedirs(Reticulum.storagepath)
if not os.path.isdir(Reticulum.storagepath):
os.makedirs(Reticulum.storagepath)
if not os.path.isdir(Reticulum.cachepath):
os.makedirs(Reticulum.cachepath)
if not os.path.isdir(Reticulum.cachepath):
os.makedirs(Reticulum.cachepath)
if not os.path.isdir(Reticulum.resourcepath):
os.makedirs(Reticulum.resourcepath)
if not os.path.isdir(Reticulum.resourcepath):
os.makedirs(Reticulum.resourcepath)
if os.path.isfile(self.configpath):
try:
self.config = ConfigObj(self.configpath)
RNS.log("Configuration loaded from "+self.configpath)
except Exception as e:
RNS.log("Could not parse the configuration at "+self.configpath, RNS.LOG_ERROR)
RNS.log("Check your configuration file for errors!", RNS.LOG_ERROR)
RNS.panic()
else:
RNS.log("Could not load config file, creating default configuration file...")
self.createDefaultConfig()
RNS.log("Default config file created. Make any necessary changes in "+Reticulum.configdir+"/config and start Reticulum again.")
RNS.log("Exiting now!")
exit(1)
if os.path.isfile(self.configpath):
try:
self.config = ConfigObj(self.configpath)
RNS.log("Configuration loaded from "+self.configpath)
except Exception as e:
RNS.log("Could not parse the configuration at "+self.configpath, RNS.LOG_ERROR)
RNS.log("Check your configuration file for errors!", RNS.LOG_ERROR)
RNS.panic()
else:
RNS.log("Could not load config file, creating default configuration file...")
self.createDefaultConfig()
RNS.log("Default config file created. Make any necessary changes in "+Reticulum.configdir+"/config and start Reticulum again.")
RNS.log("Exiting now!")
exit(1)
self.applyConfig()
RNS.Identity.loadKnownDestinations()
self.applyConfig()
RNS.Identity.loadKnownDestinations()
RNS.Transport.start(self)
RNS.Transport.start(self)
atexit.register(Reticulum.exit_handler)
atexit.register(Reticulum.exit_handler)
def start_local_interface(self):
if self.share_instance:
try:
interface = LocalInterface.LocalServerInterface(
RNS.Transport,
self.local_interface_port
)
interface.OUT = True
RNS.Transport.interfaces.append(interface)
self.is_shared_instance = True
RNS.log("Started shared instance interface: "+str(interface), RNS.LOG_DEBUG)
except Exception as e:
try:
interface = LocalInterface.LocalClientInterface(
RNS.Transport,
"Local shared instance",
self.local_interface_port)
interface.target_port = self.local_interface_port
interface.OUT = True
RNS.Transport.interfaces.append(interface)
self.is_shared_instance = False
self.is_standalone_instance = False
self.is_connected_to_shared_instance = True
RNS.log("Connected to local shared instance via: "+str(interface), RNS.LOG_DEBUG)
except Exception as e:
RNS.log("Local shared instance appears to be running, but it could not be connected", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
self.is_shared_instance = False
self.is_standalone_instance = True
self.is_connected_to_shared_instance = False
else:
self.is_shared_instance = False
self.is_standalone_instance = True
self.is_connected_to_shared_instance = False
def start_local_interface(self):
if self.share_instance:
try:
interface = LocalInterface.LocalServerInterface(
RNS.Transport,
self.local_interface_port
)
interface.OUT = True
RNS.Transport.interfaces.append(interface)
self.is_shared_instance = True
RNS.log("Started shared instance interface: "+str(interface), RNS.LOG_DEBUG)
except Exception as e:
try:
interface = LocalInterface.LocalClientInterface(
RNS.Transport,
"Local shared instance",
self.local_interface_port)
interface.target_port = self.local_interface_port
interface.OUT = True
RNS.Transport.interfaces.append(interface)
self.is_shared_instance = False
self.is_standalone_instance = False
self.is_connected_to_shared_instance = True
RNS.log("Connected to local shared instance via: "+str(interface), RNS.LOG_DEBUG)
except Exception as e:
RNS.log("Local shared instance appears to be running, but it could not be connected", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
self.is_shared_instance = False
self.is_standalone_instance = True
self.is_connected_to_shared_instance = False
else:
self.is_shared_instance = False
self.is_standalone_instance = True
self.is_connected_to_shared_instance = False
def applyConfig(self):
if "logging" in self.config:
for option in self.config["logging"]:
value = self.config["logging"][option]
if option == "loglevel":
RNS.loglevel = int(value)
if RNS.loglevel < 0:
RNS.loglevel = 0
if RNS.loglevel > 7:
RNS.loglevel = 7
def applyConfig(self):
if "logging" in self.config:
for option in self.config["logging"]:
value = self.config["logging"][option]
if option == "loglevel":
RNS.loglevel = int(value)
if RNS.loglevel < 0:
RNS.loglevel = 0
if RNS.loglevel > 7:
RNS.loglevel = 7
if "reticulum" in self.config:
for option in self.config["reticulum"]:
value = self.config["reticulum"][option]
if option == "share_instance":
value = self.config["reticulum"].as_bool(option)
self.share_instance = value
if option == "shared_instance_port":
value = int(self.config["reticulum"][option])
self.local_interface_port = value
if option == "enable_transport":
v = self.config["reticulum"].as_bool(option)
if v == True:
Reticulum.__transport_enabled = True
if option == "use_implicit_proof":
v = self.config["reticulum"].as_bool(option)
if v == True:
Reticulum.__use_implicit_proof = True
if v == False:
Reticulum.__use_implicit_proof = False
if option == "allow_unencrypted":
v = self.config["reticulum"].as_bool(option)
if v == True:
RNS.log("", RNS.LOG_CRITICAL)
RNS.log("! ! ! ! ! ! ! ! !", RNS.LOG_CRITICAL)
RNS.log("", RNS.LOG_CRITICAL)
RNS.log("Danger! Encryptionless links have been allowed in the config file!", RNS.LOG_CRITICAL)
RNS.log("Beware of the consequences! Any data sent over a link can potentially be intercepted,", RNS.LOG_CRITICAL)
RNS.log("read and modified! If you are not absolutely sure that you want this,", RNS.LOG_CRITICAL)
RNS.log("you should exit Reticulum NOW and change your config file!", RNS.LOG_CRITICAL)
RNS.log("", RNS.LOG_CRITICAL)
RNS.log("! ! ! ! ! ! ! ! !", RNS.LOG_CRITICAL)
RNS.log("", RNS.LOG_CRITICAL)
Reticulum.__allow_unencrypted = True
if "reticulum" in self.config:
for option in self.config["reticulum"]:
value = self.config["reticulum"][option]
if option == "share_instance":
value = self.config["reticulum"].as_bool(option)
self.share_instance = value
if option == "shared_instance_port":
value = int(self.config["reticulum"][option])
self.local_interface_port = value
if option == "enable_transport":
v = self.config["reticulum"].as_bool(option)
if v == True:
Reticulum.__transport_enabled = True
if option == "use_implicit_proof":
v = self.config["reticulum"].as_bool(option)
if v == True:
Reticulum.__use_implicit_proof = True
if v == False:
Reticulum.__use_implicit_proof = False
if option == "allow_unencrypted":
v = self.config["reticulum"].as_bool(option)
if v == True:
RNS.log("", RNS.LOG_CRITICAL)
RNS.log("! ! ! ! ! ! ! ! !", RNS.LOG_CRITICAL)
RNS.log("", RNS.LOG_CRITICAL)
RNS.log("Danger! Encryptionless links have been allowed in the config file!", RNS.LOG_CRITICAL)
RNS.log("Beware of the consequences! Any data sent over a link can potentially be intercepted,", RNS.LOG_CRITICAL)
RNS.log("read and modified! If you are not absolutely sure that you want this,", RNS.LOG_CRITICAL)
RNS.log("you should exit Reticulum NOW and change your config file!", RNS.LOG_CRITICAL)
RNS.log("", RNS.LOG_CRITICAL)
RNS.log("! ! ! ! ! ! ! ! !", RNS.LOG_CRITICAL)
RNS.log("", RNS.LOG_CRITICAL)
Reticulum.__allow_unencrypted = True
self.start_local_interface()
self.start_local_interface()
if self.is_shared_instance or self.is_standalone_instance:
interface_names = []
for name in self.config["interfaces"]:
if not name in interface_names:
c = self.config["interfaces"][name]
if self.is_shared_instance or self.is_standalone_instance:
interface_names = []
for name in self.config["interfaces"]:
if not name in interface_names:
c = self.config["interfaces"][name]
try:
if ("interface_enabled" in c) and c.as_bool("interface_enabled") == True:
if c["type"] == "UdpInterface":
interface = UdpInterface.UdpInterface(
RNS.Transport,
name,
c["listen_ip"],
int(c["listen_port"]),
c["forward_ip"],
int(c["forward_port"])
)
try:
if ("interface_enabled" in c) and c.as_bool("interface_enabled") == True:
if c["type"] == "UdpInterface":
interface = UdpInterface.UdpInterface(
RNS.Transport,
name,
c["listen_ip"],
int(c["listen_port"]),
c["forward_ip"],
int(c["forward_port"])
)
if "outgoing" in c and c.as_bool("outgoing") == True:
interface.OUT = True
else:
interface.OUT = False
if "outgoing" in c and c.as_bool("outgoing") == True:
interface.OUT = True
else:
interface.OUT = False
RNS.Transport.interfaces.append(interface)
RNS.Transport.interfaces.append(interface)
if c["type"] == "TCPServerInterface":
interface = TCPInterface.TCPServerInterface(
RNS.Transport,
name,
c["listen_ip"],
int(c["listen_port"])
)
if c["type"] == "TCPServerInterface":
interface = TCPInterface.TCPServerInterface(
RNS.Transport,
name,
c["listen_ip"],
int(c["listen_port"])
)
if "outgoing" in c and c.as_bool("outgoing") == True:
interface.OUT = True
else:
interface.OUT = False
if "outgoing" in c and c.as_bool("outgoing") == True:
interface.OUT = True
else:
interface.OUT = False
RNS.Transport.interfaces.append(interface)
RNS.Transport.interfaces.append(interface)
if c["type"] == "TCPClientInterface":
interface = TCPInterface.TCPClientInterface(
RNS.Transport,
name,
c["target_host"],
int(c["target_port"])
)
if c["type"] == "TCPClientInterface":
interface = TCPInterface.TCPClientInterface(
RNS.Transport,
name,
c["target_host"],
int(c["target_port"])
)
if "outgoing" in c and c.as_bool("outgoing") == True:
interface.OUT = True
else:
interface.OUT = False
if "outgoing" in c and c.as_bool("outgoing") == True:
interface.OUT = True
else:
interface.OUT = False
RNS.Transport.interfaces.append(interface)
RNS.Transport.interfaces.append(interface)
if c["type"] == "SerialInterface":
port = c["port"] if "port" in c else None
speed = int(c["speed"]) if "speed" in c else 9600
databits = int(c["databits"]) if "databits" in c else 8
parity = c["parity"] if "parity" in c else "N"
stopbits = int(c["stopbits"]) if "stopbits" in c else 1
if c["type"] == "SerialInterface":
port = c["port"] if "port" in c else None
speed = int(c["speed"]) if "speed" in c else 9600
databits = int(c["databits"]) if "databits" in c else 8
parity = c["parity"] if "parity" in c else "N"
stopbits = int(c["stopbits"]) if "stopbits" in c else 1
if port == None:
raise ValueError("No port specified for serial interface")
if port == None:
raise ValueError("No port specified for serial interface")
interface = SerialInterface.SerialInterface(
RNS.Transport,
name,
port,
speed,
databits,
parity,
stopbits
)
interface = SerialInterface.SerialInterface(
RNS.Transport,
name,
port,
speed,
databits,
parity,
stopbits
)
if "outgoing" in c and c["outgoing"].lower() == "true":
interface.OUT = True
else:
interface.OUT = False
if "outgoing" in c and c["outgoing"].lower() == "true":
interface.OUT = True
else:
interface.OUT = False
RNS.Transport.interfaces.append(interface)
RNS.Transport.interfaces.append(interface)
if c["type"] == "KISSInterface":
preamble = int(c["preamble"]) if "preamble" in c else None
txtail = int(c["txtail"]) if "txtail" in c else None
persistence = int(c["persistence"]) if "persistence" in c else None
slottime = int(c["slottime"]) if "slottime" in c else None
flow_control = c.as_bool("flow_control") if "flow_control" in c else False
port = c["port"] if "port" in c else None
speed = int(c["speed"]) if "speed" in c else 9600
databits = int(c["databits"]) if "databits" in c else 8
parity = c["parity"] if "parity" in c else "N"
stopbits = int(c["stopbits"]) if "stopbits" in c else 1
if c["type"] == "KISSInterface":
preamble = int(c["preamble"]) if "preamble" in c else None
txtail = int(c["txtail"]) if "txtail" in c else None
persistence = int(c["persistence"]) if "persistence" in c else None
slottime = int(c["slottime"]) if "slottime" in c else None
flow_control = c.as_bool("flow_control") if "flow_control" in c else False
port = c["port"] if "port" in c else None
speed = int(c["speed"]) if "speed" in c else 9600
databits = int(c["databits"]) if "databits" in c else 8
parity = c["parity"] if "parity" in c else "N"
stopbits = int(c["stopbits"]) if "stopbits" in c else 1
if port == None:
raise ValueError("No port specified for serial interface")
if port == None:
raise ValueError("No port specified for serial interface")
interface = KISSInterface.KISSInterface(
RNS.Transport,
name,
port,
speed,
databits,
parity,
stopbits,
preamble,
txtail,
persistence,
slottime,
flow_control
)
interface = KISSInterface.KISSInterface(
RNS.Transport,
name,
port,
speed,
databits,
parity,
stopbits,
preamble,
txtail,
persistence,
slottime,
flow_control
)
if "outgoing" in c and c["outgoing"].lower() == "true":
interface.OUT = True
else:
interface.OUT = False
if "outgoing" in c and c["outgoing"].lower() == "true":
interface.OUT = True
else:
interface.OUT = False
RNS.Transport.interfaces.append(interface)
RNS.Transport.interfaces.append(interface)
if c["type"] == "AX25KISSInterface":
preamble = int(c["preamble"]) if "preamble" in c else None
txtail = int(c["txtail"]) if "txtail" in c else None
persistence = int(c["persistence"]) if "persistence" in c else None
slottime = int(c["slottime"]) if "slottime" in c else None
flow_control = c.as_bool("flow_control") if "flow_control" in c else False
port = c["port"] if "port" in c else None
speed = int(c["speed"]) if "speed" in c else 9600
databits = int(c["databits"]) if "databits" in c else 8
parity = c["parity"] if "parity" in c else "N"
stopbits = int(c["stopbits"]) if "stopbits" in c else 1
if c["type"] == "AX25KISSInterface":
preamble = int(c["preamble"]) if "preamble" in c else None
txtail = int(c["txtail"]) if "txtail" in c else None
persistence = int(c["persistence"]) if "persistence" in c else None
slottime = int(c["slottime"]) if "slottime" in c else None
flow_control = c.as_bool("flow_control") if "flow_control" in c else False
port = c["port"] if "port" in c else None
speed = int(c["speed"]) if "speed" in c else 9600
databits = int(c["databits"]) if "databits" in c else 8
parity = c["parity"] if "parity" in c else "N"
stopbits = int(c["stopbits"]) if "stopbits" in c else 1
callsign = c["callsign"] if "callsign" in c else ""
ssid = int(c["ssid"]) if "ssid" in c else -1
callsign = c["callsign"] if "callsign" in c else ""
ssid = int(c["ssid"]) if "ssid" in c else -1
if port == None:
raise ValueError("No port specified for serial interface")
if port == None:
raise ValueError("No port specified for serial interface")
interface = AX25KISSInterface.AX25KISSInterface(
RNS.Transport,
name,
callsign,
ssid,
port,
speed,
databits,
parity,
stopbits,
preamble,
txtail,
persistence,
slottime,
flow_control
)
interface = AX25KISSInterface.AX25KISSInterface(
RNS.Transport,
name,
callsign,
ssid,
port,
speed,
databits,
parity,
stopbits,
preamble,
txtail,
persistence,
slottime,
flow_control
)
if "outgoing" in c and c["outgoing"].lower() == "true":
interface.OUT = True
else:
interface.OUT = False
if "outgoing" in c and c["outgoing"].lower() == "true":
interface.OUT = True
else:
interface.OUT = False
RNS.Transport.interfaces.append(interface)
RNS.Transport.interfaces.append(interface)
if c["type"] == "RNodeInterface":
frequency = int(c["frequency"]) if "frequency" in c else None
bandwidth = int(c["bandwidth"]) if "bandwidth" in c else None
txpower = int(c["txpower"]) if "txpower" in c else None
spreadingfactor = int(c["spreadingfactor"]) if "spreadingfactor" in c else None
codingrate = int(c["codingrate"]) if "codingrate" in c else None
flow_control = c.as_bool("flow_control") if "flow_control" in c else False
id_interval = int(c["id_interval"]) if "id_interval" in c else None
id_callsign = c["id_callsign"] if "id_callsign" in c else None
if c["type"] == "RNodeInterface":
frequency = int(c["frequency"]) if "frequency" in c else None
bandwidth = int(c["bandwidth"]) if "bandwidth" in c else None
txpower = int(c["txpower"]) if "txpower" in c else None
spreadingfactor = int(c["spreadingfactor"]) if "spreadingfactor" in c else None
codingrate = int(c["codingrate"]) if "codingrate" in c else None
flow_control = c.as_bool("flow_control") if "flow_control" in c else False
id_interval = int(c["id_interval"]) if "id_interval" in c else None
id_callsign = c["id_callsign"] if "id_callsign" in c else None
port = c["port"] if "port" in c else None
if port == None:
raise ValueError("No port specified for RNode interface")
port = c["port"] if "port" in c else None
if port == None:
raise ValueError("No port specified for RNode interface")
interface = RNodeInterface.RNodeInterface(
RNS.Transport,
name,
port,
frequency = frequency,
bandwidth = bandwidth,
txpower = txpower,
sf = spreadingfactor,
cr = codingrate,
flow_control = flow_control,
id_interval = id_interval,
id_callsign = id_callsign
)
interface = RNodeInterface.RNodeInterface(
RNS.Transport,
name,
port,
frequency = frequency,
bandwidth = bandwidth,
txpower = txpower,
sf = spreadingfactor,
cr = codingrate,
flow_control = flow_control,
id_interval = id_interval,
id_callsign = id_callsign
)
if "outgoing" in c and c["outgoing"].lower() == "true":
interface.OUT = True
else:
interface.OUT = False
if "outgoing" in c and c["outgoing"].lower() == "true":
interface.OUT = True
else:
interface.OUT = False
RNS.Transport.interfaces.append(interface)
else:
RNS.log("Skipping disabled interface \""+name+"\"", RNS.LOG_NOTICE)
RNS.Transport.interfaces.append(interface)
else:
RNS.log("Skipping disabled interface \""+name+"\"", RNS.LOG_NOTICE)
except Exception as e:
RNS.log("The interface \""+name+"\" could not be created. Check your configuration file for errors!", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.panic()
else:
RNS.log("The interface name \""+name+"\" was already used. Check your configuration file for errors!", RNS.LOG_ERROR)
RNS.panic()
except Exception as e:
RNS.log("The interface \""+name+"\" could not be created. Check your configuration file for errors!", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.panic()
else:
RNS.log("The interface name \""+name+"\" was already used. Check your configuration file for errors!", RNS.LOG_ERROR)
RNS.panic()
def createDefaultConfig(self):
self.config = ConfigObj(__default_rns_config__)
self.config.filename = Reticulum.configpath
if not os.path.isdir(Reticulum.configdir):
os.makedirs(Reticulum.configdir)
self.config.write()
self.applyConfig()
def createDefaultConfig(self):
self.config = ConfigObj(__default_rns_config__)
self.config.filename = Reticulum.configpath
if not os.path.isdir(Reticulum.configdir):
os.makedirs(Reticulum.configdir)
self.config.write()
self.applyConfig()
@staticmethod
def should_allow_unencrypted():
return Reticulum.__allow_unencrypted
@staticmethod
def should_allow_unencrypted():
return Reticulum.__allow_unencrypted
@staticmethod
def should_use_implicit_proof():
return Reticulum.__use_implicit_proof
@staticmethod
def should_use_implicit_proof():
return Reticulum.__use_implicit_proof
@staticmethod
def transport_enabled():
return Reticulum.__transport_enabled
@staticmethod
def transport_enabled():
return Reticulum.__transport_enabled
# Default configuration file:
__default_rns_config__ = '''# This is the default Reticulum config file.
@ -467,7 +467,7 @@ loglevel = 4
# needs or turn it off completely.
[[Default UDP Interface]]
type = UdpInterface
type = UdpInterface
interface_enabled = True
outgoing = True
listen_ip = 0.0.0.0
@ -564,7 +564,7 @@ loglevel = 4
# Allow transmit on interface.
outgoing = true
# Serial port for the device
# Serial port for the device
port = /dev/ttyUSB1
# Set the serial baud-rate and other
@ -621,7 +621,7 @@ loglevel = 4
# Allow transmit on interface.
outgoing = true
# Serial port for the device
# Serial port for the device
port = /dev/ttyUSB2
# Set the serial baud-rate and other

2240
RNS/Transport.py
View File

File diff suppressed because it is too large Load Diff

82
RNS/__init__.py
View File

@ -25,10 +25,10 @@ LOG_VERBOSE = 5
LOG_DEBUG = 6
LOG_EXTREME = 7
LOG_STDOUT = 0x91
LOG_STDOUT = 0x91
LOG_FILE = 0x92
loglevel = LOG_NOTICE
loglevel = LOG_NOTICE
logfile = None
logdest = LOG_STDOUT
logtimefmt = "%Y-%m-%d %H:%M:%S"
@ -36,54 +36,54 @@ logtimefmt = "%Y-%m-%d %H:%M:%S"
random.seed(os.urandom(10))
def loglevelname(level):
if (level == LOG_CRITICAL):
return "Critical"
if (level == LOG_ERROR):
return "Error"
if (level == LOG_WARNING):
return "Warning"
if (level == LOG_NOTICE):
return "Notice"
if (level == LOG_INFO):
return "Info"
if (level == LOG_VERBOSE):
return "Verbose"
if (level == LOG_DEBUG):
return "Debug"
if (level == LOG_EXTREME):
return "Extra"
return "Unknown"
if (level == LOG_CRITICAL):
return "Critical"
if (level == LOG_ERROR):
return "Error"
if (level == LOG_WARNING):
return "Warning"
if (level == LOG_NOTICE):
return "Notice"
if (level == LOG_INFO):
return "Info"
if (level == LOG_VERBOSE):
return "Verbose"
if (level == LOG_DEBUG):
return "Debug"
if (level == LOG_EXTREME):
return "Extra"
return "Unknown"
def log(msg, level=3):
# TODO: not thread safe
if loglevel >= level:
timestamp = time.time()
logstring = "["+time.strftime(logtimefmt)+"] ["+loglevelname(level)+"] "+msg
# TODO: not thread safe
if loglevel >= level:
timestamp = time.time()
logstring = "["+time.strftime(logtimefmt)+"] ["+loglevelname(level)+"] "+msg
if (logdest == LOG_STDOUT):
print(logstring)
if (logdest == LOG_STDOUT):
print(logstring)
if (logdest == LOG_FILE and logfile != None):
file = open(logfile, "a")
file.write(logstring+"\n")
file.close()
if (logdest == LOG_FILE and logfile != None):
file = open(logfile, "a")
file.write(logstring+"\n")
file.close()
def rand():
result = random.random()
return result
result = random.random()
return result
def hexrep(data, delimit=True):
delimiter = ":"
if not delimit:
delimiter = ""
hexrep = delimiter.join("{:02x}".format(c) for c in data)
return hexrep
delimiter = ":"
if not delimit:
delimiter = ""
hexrep = delimiter.join("{:02x}".format(c) for c in data)
return hexrep
def prettyhexrep(data):
delimiter = ""
hexrep = "<"+delimiter.join("{:02x}".format(c) for c in data)+">"
return hexrep
delimiter = ""
hexrep = "<"+delimiter.join("{:02x}".format(c) for c in data)+">"
return hexrep
def panic():
os._exit(255)
os._exit(255)