def ksr_reply_route(self, msg):
if KSR.is_method_in("IBR"):
# (I)NVITE, (B)YE, (R)EGITER
KSR.xlog.xinfo("Get reply $rs:$rr")
self.append_uuid(KSR.pv.getw("$ci"))
scode = KSR.pv.getw("$rs")
if 100 <= scode or scode <= 299:
self.ksr_route_natmanage()
return 1
def ksr_route_relay(self, msg):
# enable additional event routes for forwarded requests
# - serial forking, RTP relaying handling, a.s.o.
if KSR.is_method_in("IBSU"):
if KSR.tm.t_is_set("branch_route") < 0:
KSR.tm.t_on_branch("ksr_branch_manage")
if KSR.is_method_in("ISU"):
if KSR.tm.t_is_set("onreply_route") < 0:
KSR.tm.t_on_reply("ksr_onreply_manage")
if KSR.is_INVITE():
if KSR.tm.t_is_set("failure_route") < 0:
KSR.tm.t_on_failure("ksr_failure_manage")
if KSR.tm.t_relay() < 0:
KSR.sl.sl_reply_error()
return -255
def ksr_route_relay(self, msg):
# enable additional event routes for forwarded requests
# - serial forking, RTP relaying handling, a.s.o.
if KSR.is_method_in("IBSU") :
if KSR.tm.t_is_set("branch_route")<0 :
KSR.tm.t_on_branch("ksr_branch_manage");
if KSR.is_method_in("ISU") :
if KSR.tm.t_is_set("onreply_route")<0 :
KSR.tm.t_on_reply("ksr_onreply_manage");
if KSR.is_INVITE() :
if KSR.tm.t_is_set("failure_route")<0 :
KSR.tm.t_on_failure("ksr_failure_manage");
if KSR.tm.t_relay()<0 :
KSR.sl.sl_reply_error();
return -255;
def ksr_route_auth(self, msg):
if not KSR.is_REGISTER():
if KSR.permissions.allow_source_address(1) > 0:
# source IP allowed
return 1
if KSR.is_REGISTER() or KSR.is_myself_furi():
# authenticate requests
if KSR.auth_db.auth_check(KSR.pv.get("$fd"), "subscriber", 1) < 0:
KSR.auth.auth_challenge(KSR.pv.get("$fd"), 0)
return -255
# user authenticated - remove auth header
if not KSR.is_method_in("RP"):
KSR.auth.consume_credentials()
# if caller is not local subscriber, then check if it calls
# a local destination, otherwise deny, not an open relay here
if (not KSR.is_myself_furi()) and (not KSR.is_myself_ruri()):
KSR.sl.sl_send_reply(403, "Not relaying")
return -255
return 1
def ksr_route_auth(self, msg):
if not KSR.is_REGISTER() :
if KSR.permissions.allow_source_address(1)>0 :
# source IP allowed
return 1;
if KSR.is_REGISTER() or KSR.is_myself_furi() :
# authenticate requests
if KSR.auth_db.auth_check(KSR.pv.get("$fd"), "subscriber", 1)<0 :
KSR.auth.auth_challenge(KSR.pv.get("$fd"), 0);
return -255;
# user authenticated - remove auth header
if not KSR.is_method_in("RP") :
KSR.auth.consume_credentials();
# if caller is not local subscriber, then check if it calls
# a local destination, otherwise deny, not an open relay here
if (not KSR.is_myself_furi()) and (not KSR.is_myself_ruri()) :
KSR.sl.sl_send_reply(403,"Not relaying");
return -255;
return 1;
def ksr_request_route(self, msg):
# KSR.info("===== request - from kamailio python script\n");
# KSR.info("===== method [%s] r-uri [%s]\n" % (KSR.pv.get("$rm"),KSR.pv.get("$ru")));
# per request initial checks
if self.ksr_route_reqinit(msg) == -255:
return 1
# NAT detection
if self.ksr_route_natdetect(msg) == -255:
return 1
# CANCEL processing
if KSR.is_CANCEL():
if KSR.tm.t_check_trans() > 0:
self.ksr_route_relay(msg)
return 1
# handle requests within SIP dialogs
if self.ksr_route_withindlg(msg) == -255:
return 1
# -- only initial requests (no To tag)
# handle retransmissions
if KSR.tmx.t_precheck_trans() > 0:
KSR.tm.t_check_trans()
return 1
if KSR.tm.t_check_trans() == 0:
return 1
# authentication
if self.ksr_route_auth(msg) == -255:
return 1
# record routing for dialog forming requests (in case they are routed)
# - remove preloaded route headers
KSR.hdr.remove("Route")
if KSR.is_method_in("IS"):
KSR.rr.record_route()
# account only INVITEs
if KSR.pv.get("$rm") == "INVITE":
KSR.setflag(FLT_ACC)
# do accounting
# dispatch requests to foreign domains
if self.ksr_route_sipout(msg) == -255:
return 1
# # requests for my local domains
# handle registrations
if self.ksr_route_registrar(msg) == -255:
return 1
if KSR.corex.has_ruri_user() < 0:
# request with no Username in RURI
KSR.sl.sl_send_reply(484, "Address Incomplete")
return 1
# user location service
self.ksr_route_location(msg)
return 1
def ksr_request_route(self, msg):
# KSR.info("===== request - from kamailio python script\n");
# KSR.info("===== method [%s] r-uri [%s]\n" % (KSR.pv.get("$rm"),KSR.pv.get("$ru")));
# per request initial checks
if self.ksr_route_reqinit(msg)==-255 :
return 1;
# NAT detection
if self.ksr_route_natdetect(msg)==-255 :
return 1;
# CANCEL processing
if KSR.is_CANCEL() :
if KSR.tm.t_check_trans()>0 :
self.ksr_route_relay(msg);
return 1;
# handle requests within SIP dialogs
if self.ksr_route_withindlg(msg)==-255 :
return 1;
# -- only initial requests (no To tag)
# handle retransmissions
if KSR.tmx.t_precheck_trans()>0 :
KSR.tm.t_check_trans();
return 1;
if KSR.tm.t_check_trans()==0 :
return 1;
# authentication
if self.ksr_route_auth(msg)==-255 :
return 1
# record routing for dialog forming requests (in case they are routed)
# - remove preloaded route headers
KSR.hdr.remove("Route");
if KSR.is_method_in("IS") :
KSR.rr.record_route();
# account only INVITEs
if KSR.pv.get("$rm")=="INVITE" :
KSR.setflag(FLT_ACC); # do accounting
# dispatch requests to foreign domains
if self.ksr_route_sipout(msg)==-255 :
return 1;
# # requests for my local domains
# handle registrations
if self.ksr_route_registrar(msg)==-255 :
return 1;
if KSR.corex.has_ruri_user() < 0 :
# request with no Username in RURI
KSR.sl.sl_send_reply(484,"Address Incomplete");
return 1;
# user location service
self.ksr_route_location(msg);
return 1;
def ksr_request_route(self, msg):
# per request initial checks
if self.ksr_route_reqinit() == -255:
return 1
# NAT detection
if self.ksr_route_natdetect() == -255:
return 1
# CANCEL processing
if KSR.is_CANCEL():
self.manage_call_status(KSR.pv.getw("$fU"), 'del')
KSR.xlog.xinfo("CANCELing request from $fU:$si")
if KSR.tm.t_check_trans() > 0:
self.ksr_route_relay()
return 1
if KSR.is_BYE():
self.manage_call_status(KSR.pv.getw("$fU"), 'del')
# handle requests within SIP dialogs
if self.ksr_route_withindlg() == -255:
return 1
# handle retransmissions
if (not KSR.is_ACK()) and (KSR.tmx.t_precheck_trans() > 0):
KSR.tm.t_check_trans()
return 1
if KSR.tm.t_check_trans() == 0:
return 1
### only initial requests (no To tag)
# record routing for dialog forming requests (in case they are routed)
# - remove preloaded route headers
KSR.hdr.remove("Route")
#if KSR.is_method_in("IS") :
# KSR.rr.record_route()
if KSR.is_INVITE() and KSR.pv.is_null("$rU"):
KSR.sl.sl_send_reply(484, "Address Incomplete")
return 1
if KSR.is_method_in("IR"):
#r = redis.StrictRedis(host='127.0.0.1', port=6379, db=10, password='******')
r = redis.StrictRedis(host='127.0.0.1', port=6379, db=10, decode_responses=True)
if r.get("{}:{}".format(KSR.pv.getw("$fU"), KSR.pv.getw("$rU"))) or r.get(KSR.pv.getw("$rU")) or r.get(KSR.pv.getw("$tU")):
KSR.sl.sl_send_reply(503, "There is no money.")
return -255
if KSR.is_INVITE():
if (KSR.dispatcher.ds_is_from_list(self.DSIDS['MEDIASERVERS']) > 0 or KSR.dispatcher.ds_is_from_list(self.DSIDS['CALLERS']) > 0):
KSR.setflag(self.FLAGS['FLT_FROM_ASTERISK'])
KSR.setflag(self.FLAGS['FLT_SKIP_AUTH'])
if (KSR.dispatcher.ds_is_from_list(self.DSIDS['GW']) > 0):
KSR.setflag(self.FLAGS['FLT_FROM_GW'])
KSR.setflag(self.FLAGS['FLT_SKIP_AUTH'])
if self.GLOBALS['WITH_ASYNC_FRAMEWORK']:
KSR.asynk.task_route("ksr_route_async_auth")
else:
if self.ksr_route_async_auth(msg) == -255:
return 1
else:
KSR.xlog.xerr("Запрос $ru от $fu :: $si дошел до конца request_route и не был обработан")
KSR.sl.sl_send_reply("404", "Out of order")
return 1
