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47 lines
1.3 KiB
ReStructuredText
47 lines
1.3 KiB
ReStructuredText
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Response generation
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=====================
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This example shows how to handle queries and generate response packet.
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.. note::
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If the python module is the first module and validator module is enabled (``module-config: "python validator iterator"``),
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a return_msg security flag has to be set at least to 2. Leaving security flag untouched causes that the
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response will be refused by unbound worker as unbound will consider it as non-valid response.
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Complete source code
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--------------------
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.. literalinclude:: ../../examples/resgen.py
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:language: python
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Testing
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-------
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Run the unbound server:
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``root@localhost>unbound -dv -c ./test-resgen.conf``
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Query for a A record ending with .localdomain
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``dig A test.xxx.localdomain @127.0.0.1``
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Dig produces the following output::
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;; global options: printcmd
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;; Got answer:
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;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48426
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;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
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;; QUESTION SECTION:
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;test.xxx.localdomain. IN A
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;; ANSWER SECTION:
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test.xxx.localdomain. 10 IN A 127.0.0.1
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;; Query time: 2 msec
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;; SERVER: 127.0.0.1#53(127.0.0.1)
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;; WHEN: Mon Jan 01 12:46:02 2009
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;; MSG SIZE rcvd: 54
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As we handle (override) in python module only queries ending with "localdomain.", the unboud can still resolve host names.
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