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- Fix that if there are reply callbacks for the given rcode, those

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are called per reply and a new message created if that was modified
  by the call.
- Pass the comm_reply information to the inplace_cb_reply* functions
  during the mesh state and update the documentation on that.
This commit is contained in:
George Thessalonikefs
2020-10-15 17:17:59 +02:00
parent edc8f363a7
commit d55084ea9e
6 changed files with 34 additions and 49 deletions
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pythonmod/examples/inplace_callbacks.py
+3 -27
View File
@@ -43,7 +43,7 @@
# This query returns SERVFAIL as the txt record of bogus.nlnetlabs.nl is
# intentionally bogus. The reply will contain an empty EDNS option
# with option code 65003.
# Unbound will also log the source address(es) of the client(s) that made
# Unbound will also log the source address of the client that made
# the request.
# (unbound needs to be validating for this example to work)
@@ -91,8 +91,6 @@ def inplace_reply_callback(qinfo, qstate, rep, rcode, edns, opt_list_out,
:param **kwargs: Dictionary that may contain parameters added in a future
release. Current parameters:
``repinfo``: Reply information for a communication point (comm_reply).
It is None when the callback happens in the mesh
states(modules).
:return: True on success, False on failure.
@@ -121,8 +119,6 @@ def inplace_cache_callback(qinfo, qstate, rep, rcode, edns, opt_list_out,
:param **kwargs: Dictionary that may contain parameters added in a future
release. Current parameters:
``repinfo``: Reply information for a communication point (comm_reply).
It is None when the callback happens in the mesh
states(modules).
:return: True on success, False on failure.
@@ -173,8 +169,6 @@ def inplace_local_callback(qinfo, qstate, rep, rcode, edns, opt_list_out,
:param **kwargs: Dictionary that may contain parameters added in a future
release. Current parameters:
``repinfo``: Reply information for a communication point (comm_reply).
It is None when the callback happens in the mesh
states(modules).
:return: True on success, False on failure.
@@ -205,13 +199,11 @@ def inplace_servfail_callback(qinfo, qstate, rep, rcode, edns, opt_list_out,
:param **kwargs: Dictionary that may contain parameters added in a future
release. Current parameters:
``repinfo``: Reply information for a communication point (comm_reply).
It is None when the callback happens in the mesh
states(modules).
:return: True on success, False on failure.
For demonstration purposes we want to reply with an empty EDNS code '65003'
and log the IP address(es) of the client(s).
and log the IP address of the client.
"""
log_info("python: called back while servfail.")
@@ -219,30 +211,14 @@ def inplace_servfail_callback(qinfo, qstate, rep, rcode, edns, opt_list_out,
b = bytearray.fromhex("")
edns_opt_list_append(opt_list_out, 65003, b, region)
# Log the client(s) IP address(es)
# Log the client's IP address
comm_reply = kwargs['repinfo']
if comm_reply:
# If it is not None this callback was called before the query reached
# the mesh states(modules). There is only one client associated with
# this query.
addr = comm_reply.addr
port = comm_reply.port
addr_family = comm_reply.family
log_info("python: Client IP: {}({}), port: {}"
"".format(addr, addr_family, port))
else:
# If it is not None this callback was called while the query is in the
# mesh states(modules). In this case they may be multiple clients
# waiting for this query.
# The following code is the same as with the resip.py example.
rl = qstate.mesh_info.reply_list
while (rl):
if rl.query_reply:
q = rl.query_reply
log_info("python: Client IP: {}({}), port: {}"
"".format(q.addr, q.family, q.port))
rl = rl.next
return True