mirror of
https://github.com/monero-project/monero.git
synced 2024-12-21 05:14:24 -05:00
89 lines
3.4 KiB
Python
89 lines
3.4 KiB
Python
|
'''
|
||
|
|
resmod.py: This example shows how to modify the response from iterator
|
||
|
|
|
||
|
|
Copyright (c) 2009, Zdenek Vasicek (vasicek AT fit.vutbr.cz)
|
||
|
|
Marek Vavrusa (xvavru00 AT stud.fit.vutbr.cz)
|
||
|
|
|
||
|
|
This software is open source.
|
||
|
|
|
||
|
|
Redistribution and use in source and binary forms, with or without
|
||
|
|
modification, are permitted provided that the following conditions
|
||
|
|
are met:
|
||
|
|
|
||
|
|
* Redistributions of source code must retain the above copyright notice,
|
||
|
|
this list of conditions and the following disclaimer.
|
||
|
|
|
||
|
|
* Redistributions in binary form must reproduce the above copyright notice,
|
||
|
|
this list of conditions and the following disclaimer in the documentation
|
||
|
|
and/or other materials provided with the distribution.
|
||
|
|
|
||
|
|
* Neither the name of the organization nor the names of its
|
||
|
|
contributors may be used to endorse or promote products derived from this
|
||
|
|
software without specific prior written permission.
|
||
|
|
|
||
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||
|
|
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||
|
|
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
|
||
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||
|
|
POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
'''
|
||
|
|
|
||
|
|
def init(id, cfg): return True
|
||
|
|
|
||
|
|
def deinit(id): return True
|
||
|
|
|
||
|
|
def inform_super(id, qstate, superqstate, qdata): return True
|
||
|
|
|
||
|
|
def setTTL(qstate, ttl):
|
||
|
|
"""Updates return_msg TTL and the TTL of all the RRs"""
|
||
|
|
if qstate.return_msg:
|
||
|
|
qstate.return_msg.rep.ttl = ttl
|
||
|
|
if (qstate.return_msg.rep):
|
||
|
|
for i in range(0,qstate.return_msg.rep.rrset_count):
|
||
|
|
d = qstate.return_msg.rep.rrsets[i].entry.data
|
||
|
|
for j in range(0,d.count+d.rrsig_count):
|
||
|
|
d.rr_ttl[j] = ttl
|
||
|
|
|
||
|
|
def operate(id, event, qstate, qdata):
|
||
|
|
if (event == MODULE_EVENT_NEW) or (event == MODULE_EVENT_PASS):
|
||
|
|
#pass the query to validator
|
||
|
|
qstate.ext_state[id] = MODULE_WAIT_MODULE
|
||
|
|
return True
|
||
|
|
|
||
|
|
if event == MODULE_EVENT_MODDONE:
|
||
|
|
log_info("pythonmod: iterator module done")
|
||
|
|
|
||
|
|
if not qstate.return_msg:
|
||
|
|
qstate.ext_state[id] = MODULE_FINISHED
|
||
|
|
return True
|
||
|
|
|
||
|
|
#modify the response
|
||
|
|
|
||
|
|
qdn = qstate.qinfo.qname_str
|
||
|
|
if qdn.endswith(".nic.cz."):
|
||
|
|
#invalidate response in cache added by iterator
|
||
|
|
#invalidateQueryInCache(qstate, qstate.return_msg.qinfo)
|
||
|
|
|
||
|
|
#modify TTL to 10 secs and store response in cache
|
||
|
|
#setTTL(qstate, 5)
|
||
|
|
#if not storeQueryInCache(qstate, qstate.return_msg.qinfo, qstate.return_msg.rep, 0):
|
||
|
|
# qstate.ext_state[id] = MODULE_ERROR
|
||
|
|
# return False
|
||
|
|
|
||
|
|
#modify TTL of response, which will be send to a) validator and then b) client
|
||
|
|
setTTL(qstate, 10)
|
||
|
|
qstate.return_rcode = RCODE_NOERROR
|
||
|
|
|
||
|
|
qstate.ext_state[id] = MODULE_FINISHED
|
||
|
|
return True
|
||
|
|
|
||
|
|
log_err("pythonmod: bad event")
|
||
|
|
qstate.ext_state[id] = MODULE_ERROR
|
||
|
|
return True
|