mirror of
https://github.com/monero-project/monero.git
synced 2024-11-18 18:11:03 +00:00
97 lines
3.9 KiB
Python
97 lines
3.9 KiB
Python
|
'''
|
||
|
|
resip.py: This example shows how to generate authoritative response
|
||
|
|
and how to find out the IP address of a client
|
||
|
|
|
||
|
|
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.
|
||
|
|
|
||
|
|
|
||
|
|
Usage:
|
||
|
|
|
||
|
|
dig @127.0.0.1 -t TXT what.is.my.ip.
|
||
|
|
'''
|
||
|
|
|
||
|
|
def init(id, cfg): return True
|
||
|
|
|
||
|
|
def deinit(id): return True
|
||
|
|
|
||
|
|
def inform_super(id, qstate, superqstate, qdata): return True
|
||
|
|
|
||
|
|
def operate(id, event, qstate, qdata):
|
||
|
|
print "Operate", event,"state:",qstate
|
||
|
|
|
||
|
|
# Please note that if this module blocks, by moving to the validator
|
||
|
|
# to validate or iterator to lookup or spawn a subquery to look up,
|
||
|
|
# then, other incoming queries are queued up onto this module and
|
||
|
|
# all of them receive the same reply.
|
||
|
|
# You can inspect the cache.
|
||
|
|
|
||
|
|
if (event == MODULE_EVENT_NEW) or (event == MODULE_EVENT_PASS):
|
||
|
|
if (qstate.qinfo.qname_str.endswith("what.is.my.ip.")): #query name ends with localdomain
|
||
|
|
#create instance of DNS message (packet) with given parameters
|
||
|
|
msg = DNSMessage(qstate.qinfo.qname_str, RR_TYPE_TXT, RR_CLASS_IN, PKT_QR | PKT_RA | PKT_AA)
|
||
|
|
#append RR
|
||
|
|
if (qstate.qinfo.qtype == RR_TYPE_TXT) or (qstate.qinfo.qtype == RR_TYPE_ANY):
|
||
|
|
rl = qstate.mesh_info.reply_list
|
||
|
|
while (rl):
|
||
|
|
if rl.query_reply:
|
||
|
|
q = rl.query_reply
|
||
|
|
# The TTL of 0 is mandatory, otherwise it ends up in
|
||
|
|
# the cache, and is returned to other IP addresses.
|
||
|
|
msg.answer.append("%s 0 IN TXT \"%s %d (%s)\"" % (qstate.qinfo.qname_str, q.addr,q.port,q.family))
|
||
|
|
rl = rl.next
|
||
|
|
|
||
|
|
#set qstate.return_msg
|
||
|
|
if not msg.set_return_msg(qstate):
|
||
|
|
qstate.ext_state[id] = MODULE_ERROR
|
||
|
|
return True
|
||
|
|
|
||
|
|
#we don't need validation, result is valid
|
||
|
|
qstate.return_msg.rep.security = 2
|
||
|
|
|
||
|
|
qstate.return_rcode = RCODE_NOERROR
|
||
|
|
qstate.ext_state[id] = MODULE_FINISHED
|
||
|
|
return True
|
||
|
|
else:
|
||
|
|
#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")
|
||
|
|
qstate.ext_state[id] = MODULE_FINISHED
|
||
|
|
return True
|
||
|
|
|
||
|
|
log_err("pythonmod: bad event")
|
||
|
|
qstate.ext_state[id] = MODULE_ERROR
|
||
|
|
return True
|