def getResponse(self,buff,srcaddr):
from helper import fingerPrintPacket,getTag
srcip,srcport = srcaddr
uaname = 'unknown'
if buff.startswith('OPTIONS ') \
or buff.startswith('INVITE ') \
or buff.startswith('REGISTER '):
if self.externalip == srcip:
self.log.debug("We received our own packet from %s:%s" % srcaddr)
else:
self.log.info("Looks like we received a SIP request from %s:%s"% srcaddr)
self.log.debug(repr(buff))
return
self.log.debug("running fingerPrintPacket()")
res = fingerPrintPacket(buff)
if res is not None:
if res.has_key('name'):
uaname = res['name'][0]
else:
uaname = 'unknown'
self.log.debug(`buff`)
if self.fpworks:
try:
fp = self.sipfingerprint(buff)
except:
self.log.error("fingerprinting gave errors - will be disabled")
self.fpworks = False
if not self.fpworks:
fp = None
if fp is None:
if self.fpworks:
fpname = 'unknown'
else:
fpname = 'disabled'
else:
fpname = ' / '.join(fp)
self.log.debug('Fingerprint: %s' % fpname)
self.log.debug("Uaname: %s" % uaname)
#print buff
originaldst = getTag(buff)
try:
dstip = socket.inet_ntoa(pack('!L',int(originaldst[:8],16)))
dstport = int(originaldst[8:12],16)
except (ValueError,TypeError,socket.error):
self.log.debug("original destination could not be decoded: %s" % (originaldst))
dstip,dstport = 'unknown','unknown'
resultstr = '%s:%s\t->\t%s:%s\t->\t%s\t->\t%s' % (dstip,dstport,srcip,srcport,uaname,fpname)
self.log.info( resultstr )
self.resultip['%s:%s' % (srcip,srcport)] = '%s:%s' % (dstip,dstport)
self.resultua['%s:%s' % (srcip,srcport)] = uaname
self.resultfp['%s:%s' % (srcip,srcport)] = fpname
if self.sessionpath is not None and self.dbsyncs:
self.resultip.sync()
self.resultua.sync()
self.resultfp.sync()
else:
self.log.info('Packet from %s:%s did not contain a SIP msg'%srcaddr)
self.log.debug('Packet: %s' % `buff`)
def getResponse(self):
from helper import getNonce,getCredentials,getRealm,getCID,getTag
from base64 import b64decode
from helper import parseHeader
from helper import mysendto
import re
# we got stuff to read off the socket
from socket import error as socketerror
buff,srcaddr = self.sock.recvfrom(8192)
try:
extension = getTag(buff)
except TypeError:
extension = None
if extension is None:
self.nomore = True
return
try:
firstline = buff.splitlines()[0]
except (ValueError,IndexError,AttributeError):
self.log.error("could not get the 1st line")
return
# send an ack to any responses which match
_tmp = parseHeader(buff)
if _tmp['code'] >= 200:
self.log.debug('will try to send an ACK response')
if _tmp['code'] >= 300:
# handle differently
pass
if not _tmp.has_key('headers'):
self.log.debug('no headers?')
return
if not _tmp['headers'].has_key('from'):
self.log.debug('no from?')
return
if not _tmp['headers'].has_key('cseq'):
self.log.debug('no cseq')
return
if not _tmp['headers'].has_key('call-id'):
self.log.debug('no caller id')
return
username = _tmp['headers']['from'][0].split('"')[1]
cseq = _tmp['headers']['cseq'][0]
cid = _tmp['headers']['call-id'][0]
ackreq = self.createRequest('ACK',
username=username,
cid=cid,
cseq=cseq,
)
self.log.debug('here is your ack request: %s' % ackreq)
mysendto(self.sock,ackreq,(self.dsthost,self.dstport))
#self.sock.sendto(ackreq,(self.dsthost,self.dstport))
if firstline != self.BADUSER:
if buff.startswith(self.PROXYAUTHREQ) \
or buff.startswith(self.INVALIDPASS) \
or buff.startswith(self.AUTHREQ):
if self.realm is None:
self.realm = getRealm(buff)
self.log.info("extension '%s' exists - requires authentication" % extension)
self.resultauth[extension] = 'reqauth'
if self.sessionpath is not None and self.dbsyncs:
self.resultauth.sync()
elif buff.startswith(self.TRYING):
pass
elif buff.startswith(self.RINGING):
pass
elif buff.startswith(self.OKEY):
self.log.info("extension '%s' exists - authentication not required" % extension)
self.resultauth[extension] = 'noauth'
if self.sessionpath is not None and self.dbsyncs:
self.resultauth.sync()
else:
sys.exit(1)
self.log.warn("extension '%s' probably exists but the response is unexpected" % extension)
self.log.debug("response: %s" % firstline)
self.resultauth[extension] = 'weird'
if self.sessionpath is not None and self.dbsyncs:
self.resultauth.sync()
elif buff.startswith(self.NOTFOUND):
self.log.debug("User '%s' not found" % extension)
# Prefix not found, lets go to the next one. Should we add a warning here???
elif buff.startswith(self.SERVICEUN):
pass
elif buff.startswith(self.TRYING):
pass
elif buff.startswith(self.RINGING):
pass
elif buff.startswith(self.OKEY):
pass
elif buff.startswith(self.DECLINED):
pass
elif buff.startswith(self.NOTALLOWED):
self.log.warn("method not allowed")
self.nomore = True
return
elif buff.startswith(self.BADREQUEST):
self.log.error("Protocol / interopability error! The remote side most probably has problems with parsing your SIP messages!")
self.nomore = True
return
else:
self.log.warn("We got an unknown response")
#self.log.error("Response: %s" % `buff`)
self.log.debug("1st line: %s" % `firstline`)
self.log.debug("Bad user: %s" % `self.BADUSER`)
self.nomore = True
def getResponse(self):
from helper import getNonce,getCredentials,getRealm,getCID,getTag
from base64 import b64decode
from helper import parseHeader
from helper import mysendto
import re
# we got stuff to read off the socket
from socket import error as socketerror
buff,srcaddr = self.sock.recvfrom(8192)
try:
extension = getTag(buff)
except TypeError:
self.log.error('could not decode to tag')
extension = None
if extension is None:
self.nomore = True
return
try:
firstline = buff.splitlines()[0]
except (ValueError,IndexError,AttributeError):
self.log.error("could not get the 1st line")
return
if not self.disableack:
# send an ack to any responses which match
_tmp = parseHeader(buff)
if 300 > _tmp['code'] >= 200:
self.log.debug('will try to send an ACK response')
if not _tmp.has_key('headers'):
self.log.debug('no headers?')
return
if not _tmp['headers'].has_key('from'):
self.log.debug('no from?')
return
if not _tmp['headers'].has_key('cseq'):
self.log.debug('no cseq')
return
if not _tmp['headers'].has_key('call-id'):
self.log.debug('no caller id')
return
try:
username = getTag(buff)#_tmp['headers']['from'][0].split('"')[1]
except IndexError:
self.log.warn('could not parse the from address %s' % _tmp['headers']['from'])
username = '******'
cseq = _tmp['headers']['cseq'][0]
cid = _tmp['headers']['call-id'][0]
ackreq = self.createRequest('ACK',
username=username,
cid=cid,
cseq=cseq,
)
self.log.debug('here is your ack request: %s' % ackreq)
mysendto(self.sock,ackreq,(self.dsthost,self.dstport))
#self.sock.sendto(ackreq,(self.dsthost,self.dstport))
if firstline != self.BADUSER:
if buff.startswith(self.PROXYAUTHREQ) \
or buff.startswith(self.INVALIDPASS) \
or buff.startswith(self.AUTHREQ):
if self.realm is None:
self.realm = getRealm(buff)
self.log.info("extension '%s' exists - requires authentication" % extension)
self.resultauth[extension] = 'reqauth'
if self.sessionpath is not None and self.dbsyncs:
self.resultauth.sync()
elif buff.startswith(self.TRYING):
pass
elif buff.startswith(self.RINGING):
pass
elif buff.startswith(self.OKEY):
self.log.info("extension '%s' exists - authentication not required" % extension)
self.resultauth[extension] = 'noauth'
if self.sessionpath is not None and self.dbsyncs:
self.resultauth.sync()
else:
self.log.warn("extension '%s' probably exists but the response is unexpected" % extension)
self.log.debug("response: %s" % firstline)
self.resultauth[extension] = 'weird'
if self.sessionpath is not None and self.dbsyncs:
self.resultauth.sync()
elif buff.startswith(self.NOTFOUND):
self.log.debug("User '%s' not found" % extension)
elif buff.startswith(self.INEXISTENTTRANSACTION):
pass
# Prefix not found, lets go to the next one. Should we add a warning here???
elif buff.startswith(self.SERVICEUN):
pass
elif buff.startswith(self.TRYING):
pass
elif buff.startswith(self.RINGING):
pass
elif buff.startswith(self.OKEY):
pass
elif buff.startswith(self.DECLINED):
pass
elif buff.startswith(self.NOTALLOWED):
self.log.warn("method not allowed")
self.nomore = True
return
elif buff.startswith(self.BADREQUEST):
self.log.error("Protocol / interopability error! The remote side most probably has problems with parsing your SIP messages!")
self.nomore = True
return
else:
self.log.warn("We got an unknown response")
self.log.error("Response: %s" % `buff`)
self.log.debug("1st line: %s" % `firstline`)
self.log.debug("Bad user: %s" % `self.BADUSER`)
self.nomore = True