59 lines
1.9 KiB
Python
Executable File
59 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# vim: sw=4 ts=4 expandtab
|
|
# (c) 2021 Thomas BERNARD
|
|
# Python3 module to submit service to running MiniSSDPd
|
|
# MiniSSDPd: See http://miniupnp.free.fr/minissdpd.html
|
|
import socket, os
|
|
|
|
|
|
def codelength(s):
|
|
""" returns the given string/bytes as bytes, prepended with the 7-bit-encoded length """
|
|
# We want bytes
|
|
if not isinstance(s, bytes):
|
|
# Not bytes. Let's try to convert to bytes, but only plain ASCII
|
|
try:
|
|
s = str.encode(s, "ascii")
|
|
except:
|
|
s = b''
|
|
l = len(s)
|
|
if l == 0:
|
|
return b'\x00'
|
|
encodedlen = (l & 0x7F).to_bytes(1, 'little')
|
|
while l > 0x7F:
|
|
l = l >> 7
|
|
c = (l & 0x7F) | 0x80
|
|
encodedlen = c.to_bytes(1, 'little') + encodedlen
|
|
return encodedlen + s
|
|
|
|
|
|
def submit_to_minissdpd(st, usn, server, url, sockpath="/var/run/minissdpd.sock"):
|
|
""" submits the specified service to MiniSSDPD (if running)"""
|
|
# First check if sockpath exists i.e. MiniSSDPD is running
|
|
if not os.path.exists(sockpath):
|
|
return -1, f"Error: {sockpath} does not exist. Is minissdpd running?"
|
|
# OK, submit
|
|
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
|
|
try:
|
|
sock.connect(sockpath)
|
|
sock.send(b'\x04' + codelength(st) + codelength(usn) + codelength(server) + codelength(url))
|
|
except socket.error as msg:
|
|
print(msg)
|
|
return -1, msg
|
|
finally:
|
|
sock.close()
|
|
return 0, "OK"
|
|
|
|
|
|
if __name__ == "__main__":
|
|
# Example usage
|
|
rc, message = submit_to_minissdpd(
|
|
b'urn:schemas-upnp-org:device:InternetGatewayDevice:1',
|
|
b'uuid:73616d61-6a6b-7a74-650a-0d24d4a5d636::urn:schemas-upnp-org:device:InternetGatewayDevice:1',
|
|
b'MyServer/0.0',
|
|
b'http://192.168.0.1:1234/rootDesc.xml',
|
|
)
|
|
if rc == 0:
|
|
print("OK: submitting to MiniSSDPD went well")
|
|
else:
|
|
print("Not OK. Error message is:", message)
|