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Implement simple address scanning for SLP

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This commit is contained in:
Jarrod Johnson 2021-02-18 09:04:46 -05:00
parent 1b2f5b6019
commit d3c9c90f35
2 changed files with 24 additions and 11 deletions
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9
confluent_server/confluent/discovery/protocols/slp.py
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@ -198,7 +198,14 @@ def _find_srvtype(net, net4, srvtype, addresses, xid):
:param addresses: Pass through of addresses argument from find_targets
:return:
"""
if addresses is None:
if addresses is not None:
for addr in addresses:
for saddr in socket.getaddrinfo(addr, 427):
if saddr[0] == socket.AF_INET:
net4.sendto(data, saddr[4])
elif saddr[0] == socket.AF_INET6:
net.sendto(data, saddr[4])
else:
data = _generate_request_payload(srvtype, True, xid)
net4.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
v6addrs = []

26
misc/slpscan.py
View File

@ -1,10 +1,5 @@
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# This is extracting the confluent slp support into
# a standalone script, for use in environments that
# can't run full confluent and/or would prefer
# a utility style approach to SLP
# Copyright 2017-2019 Lenovo
#
# Licensed under the Apache License, Version 2.0 (the "License");
@ -19,6 +14,12 @@
# See the License for the specific language governing permissions and
# limitations under the License.
# This is extracting the confluent slp support into
# a standalone script, for use in environments that
# can't run full confluent and/or would prefer
# a utility style approach to SLP
import os
import random
import select
@ -199,8 +200,15 @@ def _find_srvtype(net, net4, srvtype, addresses, xid):
:param addresses: Pass through of addresses argument from find_targets
:return:
"""
if addresses is None:
data = _generate_request_payload(srvtype, True, xid)
data = _generate_request_payload(srvtype, True, xid)
if addresses is not None:
for addr in addresses:
for saddr in socket.getaddrinfo(addr, 427):
if saddr[0] == socket.AF_INET:
net4.sendto(data, saddr[4])
elif saddr[0] == socket.AF_INET6:
net.sendto(data, saddr[4])
else:
net4.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
v6addrs = []
v6hash = _v6mcasthash(srvtype)
@ -846,6 +854,4 @@ def natural_sort(iterable):
if __name__ == '__main__':
def testsnoop(a):
print(repr(a))
snoop(testsnoop)
print(repr(list(scan(addresses=['10.240.52.189']))))