def ksr_route_auth(self, msg):
if KSR.pv.get("$rm") != "REGISTER" :
if KSR.permissions.allow_source_address(1)>0 :
# source IP allowed
return 1;
if KSR.pv.get("$rm")=="REGISTER" or KSR.is_myself(KSR.pv.get("$fu")) :
# authenticate requests
if KSR.auth_db.auth_check(KSR.pv.get("$fd"), "subscriber", 1)<0 :
KSR.auth.auth_challenge(KSR.pv.get("$fd"), 0);
return -255;
# user authenticated - remove auth header
if not "REGISTER,PUBLISH".find(KSR.pv.get("$rm"))!=-1 :
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(KSR.pv.get("$fu"))
and (not KSR.is_myself(KSR.pv.get("$ru")))) :
KSR.sl.sl_send_reply(403,"Not relaying");
return -255;
return 1;
def ksr_onreply_manage(self, msg):
KSR.dbg("incoming reply\n");
scode = KSR.pv.get("$rs");
if scode>100 and scode<299 :
self.ksr_route_natmanage(msg);
return 1;
def __init__(self):
try:
self.pn = FirebasePushNotifications()
except UndefinedEnvironmentVariable as e:
KSR.error(e.message)
except:
KSR.info(traceback.format_exc())
def ksr_route_auth(self, msg):
if KSR.pv.get("$rm") != "REGISTER" :
if KSR.permissions.allow_source_address(1)>0 :
# source IP allowed
return 1;
if KSR.pv.get("$rm")=="REGISTER" or KSR.is_myself(KSR.pv.get("$fu")) :
# 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 "REGISTER,PUBLISH".find(KSR.pv.get("$rm"))!=-1 :
KSR.auth.consume_credentials();
# if caller is not local subscriber, then check if it calls
# a local destination, otherwise deny, not an open relay here
if (not KSR.is_myself(KSR.pv.get("$fu"))
and (not KSR.is_myself(KSR.pv.get("$ru")))) :
KSR.sl.sl_send_reply(403,"Not relaying");
return -255;
return 1;
def ksr_onreply_manage(self, msg):
KSR.dbg("incoming reply\n");
scode = KSR.pv.get("$rs");
if scode>100 and scode<299 :
self.ksr_route_natmanage(msg);
return 1;
def __init__(self):
KSR.info('===== kamailio.__init__\n')
# Re-import modules on reload
for filename in ROUTES: # app_python3
if filename in sys.modules:# app_python3
KSR.info("Reload route:" + filename)# app_python3
del sys.modules[filename] # app_python3
exec("import " + filename) # app_python3
def ksr_route_natdetect(self, msg):
KSR.force_rport();
if KSR.nathelper.nat_uac_test(19)>0 :
if KSR.pv.get("$rm")=="REGISTER" :
KSR.nathelper.fix_nated_register();
elif KSR.siputils.is_first_hop()>0 :
KSR.nathelper.set_contact_alias();
KSR.setflag(FLT_NATS);
return 1;
def ksr_route_natdetect(self, msg):
KSR.force_rport();
if KSR.nathelper.nat_uac_test(19)>0 :
if KSR.pv.get("$rm")=="REGISTER" :
KSR.nathelper.fix_nated_register();
elif KSR.siputils.is_first_hop()>0 :
KSR.nathelper.set_contact_alias();
KSR.setflag(FLT_NATS);
return 1;
def send_push_notification(self, msg):
KSR.info(">>> Send push notification")
try:
self.pn.send_push_notification(KSR.pv.get("$tU"),
call_id=KSR.pv.get("$ci"),
sip_from=KSR.pv.get("$fU"),
loc_key=KSR.pv.get("$mi"),
loc_args=KSR.pv.get("$oU"))
except:
KSR.info(traceback.format_exc())
return 1
def ksr_route_natdetect(self, msg):
KSR.force_rport()
if KSR.nathelper.nat_uac_test(19) > 0:
if KSR.is_REGISTER():
KSR.nathelper.fix_nated_register()
elif KSR.siputils.is_first_hop() > 0:
KSR.nathelper.set_contact_alias()
KSR.setflag(FLT_NATS)
return 1
def ksr_route_async_REGISTER(self, msg):
if KSR.isflagset(self.FLAGS['FLT_NATS']):
KSR.setbflag(self.FLAGS['FLB_NATB'])
# do SIP NAT pinging
KSR.setbflag(self.FLAGS['FLB_NATSIPPING'])
if KSR.registrar.save("location", 0) < 0:
KSR.xlog.xerr("Cant store AoR")
KSR.sl.sl_reply_error()
else:
# Фильтруем УДАЧНЫЕ регистрации на предмет необходимости уведомлений
self.check_registration_uri()
return -255
def ksr_route_registrar(self, msg):
if KSR.pv.get("$rm") != "REGISTER" :
return 1;
if KSR.isflagset(FLT_NATS) :
KSR.setbflag(FLB_NATB);
# do SIP NAT pinging
KSR.setbflag(FLB_NATSIPPING);
if KSR.registrar.save("location", 0)<0 :
KSR.sl.sl_reply_error();
return -255;
def ksr_route_registrar(self, msg):
if KSR.pv.get("$rm") != "REGISTER" :
return 1;
if KSR.isflagset(FLT_NATS) :
KSR.setbflag(FLB_NATB);
# do SIP NAT pinging
KSR.setbflag(FLB_NATSIPPING);
if KSR.registrar.save("location", 0)<0 :
KSR.sl.sl_reply_error();
return -255;
def ksr_route_natdetect(self):
KSR.force_rport()
if KSR.nathelper.nat_uac_test(19) > 0:
KSR.xlog.xdbg("Client behind NAT.")
if KSR.is_REGISTER():
KSR.nathelper.fix_nated_register()
elif KSR.siputils.is_first_hop() > 0:
KSR.nathelper.set_contact_alias()
KSR.setflag(self.FLAGS['FLT_NATS'])
else:
KSR.xlog.xdbg("NAT not detected.")
return 1
def ksr_route_reqinit(self, msg):
if not KSR.is_myself(KSR.pv.get("$si")):
if not KSR.pv.is_null("$sht(ipban=>$si)"):
# ip is already blocked
KSR.dbg("request from blocked IP - " + KSR.pv.get("$rm") +
" from " + KSR.pv.get("$fu") + " (IP:" +
KSR.pv.get("$si") + ":" + KSR.pv.get("$sp") + ")\n")
return -255
if KSR.pike.pike_check_req() < 0:
KSR.err("ALERT: pike blocking " + KSR.pv.get("$rm") +
" from " + KSR.pv.get("$fu") + " (IP:" +
KSR.pv.get("$si") + ":" + KSR.pv.get("$sp") + ")\n")
KSR.pv.seti("$sht(ipban=>$si)", 1)
return -255
if not KSR.pv.is_null("$ua"):
if (KSR.pv.get("$ua").find("friendly-scanner") != -1
or KSR.pv.get("$ua").find("sipcli") != -1):
KSR.sl.sl_send_reply(200, "Processed")
return -255
if KSR.maxfwd.process_maxfwd(10) < 0:
KSR.sl.sl_send_reply(483, "Too Many Hops")
return -255
if (KSR.pv.get("$rm") == "OPTIONS" and KSR.is_myself(KSR.pv.get("$ru"))
and KSR.pv.is_null("$rU")):
KSR.sl.sl_send_reply(200, "Keepalive")
return -255
if KSR.sanity.sanity_check(1511, 7) < 0:
KSR.err("Malformed SIP message from " + KSR.pv.get("$si") + ":" +
KSR.pv.get("$sp") + "\n")
return -255
def ksr_route_reqinit(self):
if KSR.is_INVITE():
KSR.xlog.xinfo("REQINIT. Check request $ru from $fu:$si")
if KSR.is_method("PUBLISH|SUBSCRIBE"):
# Drop unsupported methods
KSR.sl.sl_send_reply(404, "Pool is closed due to aids.")
return -255
if KSR.is_OPTIONS() and re.match("friendly-scanner|sipcli|VaxSIPUserAgent", KSR.pv.getw("$ua")):
# silent drop for scanners - uncomment next line if want to reply
# KSR.sl.sl_send_reply(200, "OK")
KSR.sl.sl_send_reply(503, "There is no money, but you hang in there. Best wishes! Cheers!")
return -255
if KSR.maxfwd.process_maxfwd(10) < 0:
KSR.sl.sl_send_reply(483, "Too Many Hops")
return -255
if KSR.is_OPTIONS():
KSR.sl.sl_send_reply(200, "Keepalive")
return -255
if (int(KSR.siputils.is_request()) > 0) and (int(KSR.textops.has_body()) < 0) and (int(KSR.hdr.is_present("Content-Length")) < 0):
KSR.xlog.xwarn("Malformed SIP message from $si:$sp - unpresent Body and no Content-Length header. User agent:$ua - Append hdr")
KSR.hdr.append("Content-Length: 0\r\n")
KSR.textopsx.msg_apply_changes()
if "null" in KSR.pv.getw("$ct"):
KSR.xlog.xalert("Null in contact:{} Patch it".format(KSR.pv.getw("$ct")))
KSR.hdr.remove("Contact")
KSR.hdr.append("Contact: sip:{}@{}:{}\r\n".format(KSR.pv.getw("$fU"), KSR.pv.getw("$si"), KSR.pv.getw("$sp")))
KSR.textopsx.msg_apply_changes()
KSR.xlog.xalert("Contact now:{}".format(KSR.pv.getw("$ct")))
if KSR.sanity.sanity_check(1511, 7) < 0:
KSR.xlog.xerr("Malformed SIP message from $si:$sp")
return -255
if not KSR.pv.is_null("$au") and re.match("(\=)|(\-\-)|(')|(\#)|(\%27)|(\%24)", KSR.pv.getw("$au")):
KSR.xlog.xalert("SQL Injection in authorization username from IP:$si:$sp - $au")
KSR.sl.sl_send_reply(503, "There is no money, but you hang in there. Best wishes! Cheers!")
return -255
if KSR.is_INVITE() and re.match("(\=)|(\-\-)|(')|(\#)|(\%27)|(\%24)", KSR.pv.getw("$ru")):
KSR.xlog.xalert("SQL Injection in RURI in INVITE from IP:$si:$sp - $ru")
KSR.sl.sl_send_reply(503, "There is no money, but you hang in there. Best wishes! Cheers!")
return -255
return 1
def ksr_route_sipout(self, msg):
if KSR.is_myself(KSR.pv.get("$ru")) :
return 1;
KSR.hdr.append("P-Hint: outbound\r\n");
self.ksr_route_relay(msg);
return -255;
def ksr_route_sipout(self, msg):
if KSR.is_myself(KSR.pv.get("$ru")) :
return 1;
KSR.hdr.append("P-Hint: outbound\r\n");
self.ksr_route_relay(msg);
return -255;
def ksr_route_sipout(self, msg):
if KSR.is_myself_ruri():
return 1
KSR.hdr.append("P-Hint: outbound\r\n")
self.ksr_route_relay(msg)
return -255
def ksr_route_location(self, msg):
rc = KSR.registrar.lookup("location")
if rc < 0:
KSR.tm.t_newtran()
if rc == -1 or rc == -3:
KSR.sl.send_reply(404, "Not Found")
return -255
elif rc == -2:
KSR.sl.send_reply(405, "Method Not Allowed")
return -255
# when routing via usrloc, log the missed calls also
if KSR.is_INVITE():
KSR.setflag(FLT_ACCMISSED)
self.ksr_route_relay(msg)
return -255
def extract_contact(self, msg):
KSR.info(">>> Extract contact")
try:
result = self.parse_contact(KSR.pv.get("$ct"))
if result is None:
return 1
contact = ";".join([result["prefix"], result["suffix"]])
self.update_contact_header(contact)
self.pn.update_pn_contact(
result["username"],
app_id=result["app_id"],
pn_type=result["pn_type"],
pn_token=result["pn_token"],
)
except:
KSR.info(traceback.format_exc())
return 1
def ksr_route_location(self, msg):
rc = KSR.registrar.lookup("location");
if rc<0 :
KSR.tm.t_newtran();
if rc==-1 or rc==-3 :
KSR.sl.send_reply(404, "Not Found");
return -255;
elif rc==-2 :
KSR.sl.send_reply(405, "Method Not Allowed");
return -255;
# when routing via usrloc, log the missed calls also
if KSR.pv.get("$rm")=="INVITE" :
KSR.setflag(FLT_ACCMISSED);
self.ksr_route_relay(msg);
return -255;
def ksr_route_location(self, msg):
rc = KSR.registrar.lookup("location");
if rc<0 :
KSR.tm.t_newtran();
if rc==-1 or rc==-3 :
KSR.sl.send_reply(404, "Not Found");
return -255;
elif rc==-2 :
KSR.sl.send_reply(405, "Method Not Allowed");
return -255;
# when routing via usrloc, log the missed calls also
if KSR.pv.get("$rm")=="INVITE" :
KSR.setflag(FLT_ACCMISSED);
self.ksr_route_relay(msg);
return -255;
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_natmanage(self, msg):
if KSR.siputils.is_request()>0 :
if KSR.siputils.has_totag()>0 :
if KSR.rr.check_route_param("nat=yes")>0 :
KSR.setbflag(FLB_NATB);
if (not (KSR.isflagset(FLT_NATS) or KSR.isbflagset(FLB_NATB))) :
return 1;
KSR.rtpproxy.rtpproxy_manage("co");
if KSR.siputils.is_request()>0 :
if not KSR.siputils.has_totag() :
if KSR.tmx.t_is_branch_route()>0 :
KSR.rr.add_rr_param(";nat=yes");
if KSR.siputils.is_reply()>0 :
if KSR.isbflagset(FLB_NATB) :
KSR.nathelper.set_contact_alias();
return 1;
def ksr_route_natmanage(self, msg):
if KSR.siputils.is_request()>0 :
if KSR.siputils.has_totag()>0 :
if KSR.rr.check_route_param("nat=yes")>0 :
KSR.setbflag(FLB_NATB);
if (not (KSR.isflagset(FLT_NATS) or KSR.isbflagset(FLB_NATB))) :
return 1;
KSR.rtpproxy.rtpproxy_manage("co");
if KSR.siputils.is_request()>0 :
if not KSR.siputils.has_totag() :
if KSR.tmx.t_is_branch_route()>0 :
KSR.rr.add_rr_param(";nat=yes");
if KSR.siputils.is_reply()>0 :
if KSR.isbflagset(FLB_NATB) :
KSR.nathelper.set_contact_alias();
return 1;
def ksr_route_relay(self):
KSR.nathelper.handle_ruri_alias()
# enable additional event routes for forwarded requests
# - serial forking, RTP relaying handling, a.s.o.
if KSR.is_method("INVITE|BYE|SUBSCRIBE|UPDATE") and (KSR.tm.t_is_set("branch_route") < 0):
KSR.tm.t_on_branch("ksr_branch_manage")
#if KSR.is_method("INVITE|BYE|SUBSCRIBE|UPDATE") and (KSR.tm.t_is_set("onreply_route") < 0):
# KSR.tm.t_on_reply("ksr_onreply_manage")
if KSR.is_INVITE() and (KSR.tm.t_is_set("failure_route") < 0):
KSR.tm.t_on_failure("ksr_failure_manage")
if KSR.isflagset(self.FLAGS['FLT_FROM_ASTERISK']):
KSR.textops.remove_hf_re("^X-")
if KSR.tm.t_relay() < 0:
KSR.xlog.xerr("Cant relay request. Send error.")
KSR.sl.sl_reply_error()
return -255
else:
return 1
def ksr_route_withindlg(self, msg):
if KSR.siputils.has_totag()<0 :
return 1;
# sequential request withing a dialog should
# take the path determined by record-routing
if KSR.rr.loose_route()>0 :
if self.ksr_route_dlguri(msg)==-255 :
return -255;
if KSR.pv.get("$rm")=="BYE" :
# do accounting ...
KSR.setflag(FLT_ACC);
# ... even if the transaction fails
KSR.setflag(FLT_ACCFAILED);
elif KSR.pv.get("$rm")=="ACK" :
# ACK is forwarded statelessly
if self.ksr_route_natmanage(msg)==-255 :
return -255;
elif KSR.pv.get("$rm")=="NOTIFY" :
# Add Record-Route for in-dialog NOTIFY as per RFC 6665.
KSR.rr.record_route();
self.ksr_route_relay(msg);
return -255;
if KSR.pv.get("$rm")=="ACK" :
if KSR.tm.t_check_trans() >0 :
# no loose-route, but stateful ACK;
# must be an ACK after a 487
# or e.g. 404 from upstream server
self.ksr_route_relay(msg);
return -255;
else:
# ACK without matching transaction ... ignore and discard
return -255;
KSR.sl.sl_send_reply(404, "Not here");
return -255;
def ksr_route_withindlg(self, msg):
if KSR.siputils.has_totag()<0 :
return 1;
# sequential request withing a dialog should
# take the path determined by record-routing
if KSR.rr.loose_route()>0 :
if self.ksr_route_dlguri(msg)==-255 :
return -255;
if KSR.pv.get("$rm")=="BYE" :
# do accounting ...
KSR.setflag(FLT_ACC);
# ... even if the transaction fails
KSR.setflag(FLT_ACCFAILED);
elif KSR.pv.get("$rm")=="ACK" :
# ACK is forwarded statelessy
if self.ksr_route_natmanage(msg)==-255 :
return -255;
elif KSR.pv.get("$rm")=="NOTIFY" :
# Add Record-Route for in-dialog NOTIFY as per RFC 6665.
KSR.rr.record_route();
self.ksr_route_relay(msg);
return -255;
if KSR.pv.get("$rm")=="ACK" :
if KSR.tm.t_check_trans() >0 :
# no loose-route, but stateful ACK;
# must be an ACK after a 487
# or e.g. 404 from upstream server
self.ksr_route_relay(msg);
return -255;
else:
# ACK without matching transaction ... ignore and discard
return -255;
KSR.sl.sl_send_reply(404, "Not here");
return -255;
def ksr_route_withindlg(self):
if KSR.siputils.has_totag() < 0:
return 1
# sequential request withing a dialog should
# take the path determined by record-routing
if KSR.rr.loose_route() > 0:
if not KSR.isdsturiset():
KSR.nathelper.handle_ruri_alias()
if KSR.is_ACK():
# ACK is forwarded statelessly
if self.ksr_route_natmanage() == -255:
return -255
elif KSR.is_NOTIFY():
# Add Record-Route for in-dialog NOTIFY as per RFC 6665.
KSR.rr.record_route()
elif KSR.is_INVITE():
KSR.xlog.xinfo("Hande reINVITE")
KSR.rr.record_route()
self.ksr_route_relay()
return -255
if KSR.is_ACK():
if KSR.tm.t_check_trans() > 0:
# no loose-route, but stateful ACK
# must be an ACK after a 487
# or e.g. 404 from upstream server
self.ksr_route_relay()
return -255
else:
# ACK without matching transaction ... ignore and discard
return -255
KSR.sl.sl_send_reply(404, "Not here")
return -255
def ksr_reply_route(self, msg):
KSR.dbg("response handling - python script\n")
if KSR.sanity.sanity_check(17604, 6)<0 :
KSR.err("Malformed SIP response from "
+ KSR.pv.get("$si") + ":" + str(KSR.pv.get("$sp")) +"\n")
KSR.set_drop()
return -255
return 1
def ksr_route_registrar(self, msg):
if not KSR.is_REGISTER():
return 1
if KSR.isflagset(FLT_NATS):
KSR.setbflag(FLB_NATB)
# do SIP NAT pinging
KSR.setbflag(FLB_NATSIPPING)
if KSR.registrar.save("location", 0) < 0:
KSR.sl.sl_reply_error()
return -255
def ksr_route_reqinit(self, msg):
if not KSR.is_myself(KSR.pv.get("$si")) :
if not KSR.pv.is_null("$sht(ipban=>$si)") :
# ip is already blocked
KSR.dbg("request from blocked IP - " + KSR.pv.get("$rm")
+ " from " + KSR.pv.get("$fu") + " (IP:"
+ KSR.pv.get("$si") + ":" + str(KSR.pv.get("$sp")) + ")\n");
return -255;
if KSR.pike.pike_check_req()<0 :
KSR.err("ALERT: pike blocking " + KSR.pv.get("$rm")
+ " from " + KSR.pv.get("$fu") + " (IP:"
+ KSR.pv.get("$si") + ":" + str(KSR.pv.get("$sp")) + ")\n");
KSR.pv.seti("$sht(ipban=>$si)", 1);
return -255;
if KSR.corex.has_user_agent() > 0 :
ua = KSR.pv.gete("$ua")
if (ua.find("friendly-scanner")!=-1
or ua.find("sipcli")!=-1) :
KSR.sl.sl_send_reply(200, "Processed");
return -255;
if KSR.maxfwd.process_maxfwd(10) < 0 :
KSR.sl.sl_send_reply(483,"Too Many Hops");
return -255;
if (KSR.is_OPTIONS()
and KSR.is_myself_ruri()
and KSR.corex.has_ruri_user() < 0) :
KSR.sl.sl_send_reply(200,"Keepalive");
return -255;
if KSR.sanity.sanity_check(1511, 7)<0 :
KSR.err("Malformed SIP message from "
+ KSR.pv.get("$si") + ":" + str(KSR.pv.get("$sp")) +"\n");
return -255;
def ksr_route_reqinit(self, msg):
if not KSR.is_myself(KSR.pv.get("$si")) :
if not KSR.pv.is_null("$sht(ipban=>$si)") :
# ip is already blocked
KSR.dbg("request from blocked IP - " + KSR.pv.get("$rm")
+ " from " + KSR.pv.get("$fu") + " (IP:"
+ KSR.pv.get("$si") + ":" + str(KSR.pv.get("$sp")) + ")\n")
return -255
if KSR.pike.pike_check_req()<0 :
KSR.err("ALERT: pike blocking " + KSR.pv.get("$rm")
+ " from " + KSR.pv.get("$fu") + " (IP:"
+ KSR.pv.get("$si") + ":" + str(KSR.pv.get("$sp")) + ")\n")
KSR.pv.seti("$sht(ipban=>$si)", 1)
return -255
if KSR.corex.has_user_agent() > 0 :
ua = KSR.pv.gete("$ua")
if (ua.find("friendly")!=-1 or ua.find("scanner")!=-1
or ua.find("sipcli")!=-1 or ua.find("sipvicious")!=-1) :
KSR.sl.sl_send_reply(200, "Processed")
return -255
if KSR.maxfwd.process_maxfwd(10) < 0 :
KSR.sl.sl_send_reply(483,"Too Many Hops")
return -255
if (KSR.is_OPTIONS()
and KSR.is_myself_ruri()
and KSR.corex.has_ruri_user() < 0) :
KSR.sl.sl_send_reply(200,"Keepalive")
return -255
if KSR.sanity.sanity_check(17895, 7)<0 :
KSR.err("Malformed SIP message from "
+ KSR.pv.get("$si") + ":" + str(KSR.pv.get("$sp")) +"\n")
return -255
def ksr_request_route(self, msg):
KSR.dbg("method " + KSR.pv.get("$rm") + " r-uri " + KSR.pv.get("$ru"))
if KSR.is_method("REGISTER"):
KSR.sl.send_reply(200, "OK")
elif KSR.is_method("INVITE"):
#Lookup our public IP address
try:
ip = requests.get('https://api.ipify.org').text
except:
ip = "Failed to resolve"
#Add that as a header
KSR.hdr.append("X-KEMI: I came from KEMI at " + str(ip) + "\r\n")
#Set host IP to 10.1.1.1
KSR.sethost("10.1.1.1")
#Forward the request on
KSR.forward()
else:
KSR.sl.send_reply(500, "Got no idea...")
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.pv.get("$rm") == "CANCEL" :
if KSR.tm.t_check_trans()>0 :
self.ksr_route_relay(msg);
return 1;
# handle requests within SIP dialogs
if self.ksr_route_withindlg(msg)==-255 :
return 1;
# -- only initial requests (no To tag)
# handle retransmissions
if KSR.tmx.t_precheck_trans()>0 :
KSR.tm.t_check_trans();
return 1;
if KSR.tm.t_check_trans()==0 :
return 1;
# authentication
if self.ksr_route_auth(msg)==-255 :
return 1
# record routing for dialog forming requests (in case they are routed)
# - remove preloaded route headers
KSR.hdr.remove("Route");
if "INVITE|SUBSCRIBE".find(KSR.pv.get("$rm"))!=-1 :
KSR.rr.record_route();
# account only INVITEs
if KSR.pv.get("$rm")=="INVITE" :
KSR.setflag(FLT_ACC); # do accounting
# dispatch requests to foreign domains
if self.ksr_route_sipout(msg)==-255 :
return 1;
# # requests for my local domains
# handle registrations
if self.ksr_route_registrar(msg)==-255 :
return 1;
if KSR.pv.is_null("$rU") :
# 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 child_init(self, rank):
KSR.info('===== kamailio.child_init(%d)\n' % rank);
return 0;
def ksr_reply_route(self, msg):
KSR.info("===== response - from kamailio python script\n");
return 1;
def __init__(self):
KSR.info('===== kamailio.__init__\n');
def ksr_branch_manage(self, msg):
KSR.dbg("new branch ["+ str(KSR.pv.get("$T_branch_idx"))
+ "] to "+ KSR.pv.get("$ru") + "\n");
self.ksr_route_natmanage(msg);
return 1;
def ksr_route_dlguri(self, msg):
if not KSR.isdsturiset() :
KSR.nathelper.handle_ruri_alias();
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.pv.get("$rm") == "CANCEL" :
if KSR.tm.t_check_trans()>0 :
self.ksr_route_relay();
return 1;
# handle requests within SIP dialogs
if self.ksr_route_withindlg(msg)==-255 :
return 1;
# -- only initial requests (no To tag)
# handle retransmissions
if KSR.tmx.t_precheck_trans()>0 :
KSR.tm.t_check_trans();
return 1;
if KSR.tm.t_check_trans()==0 :
return 1;
# authentication
if self.ksr_route_auth(msg)==-255 :
return 1
# record routing for dialog forming requests (in case they are routed)
# - remove preloaded route headers
KSR.hdr.remove("Route");
if "INVITE|SUBSCRIBE".find(KSR.pv.get("$rm"))!=-1 :
KSR.rr.record_route();
# account only INVITEs
if KSR.pv.get("$rm")=="INVITE" :
KSR.setflag(FLT_ACC); # do accounting
# dispatch requests to foreign domains
if self.ksr_route_sipout(msg)==-255 :
return 1;
# # requests for my local domains
# handle registrations
if self.ksr_route_registrar(msg)==-255 :
return 1;
if KSR.pv.is_null("$rU") :
# 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 mod_init():
KSR.info("===== from Python mod init\n");
# dumpObj(KSR);
return kamailio();
def ksr_special_routing(self, r_user):
if r_user == "SOS":
KSR.dispatcher.ds_select_dst(self.DSIDS['MEDIASERVERS'], 4)
KSR.setbflag(self.FLAGS['FLB_NATB'])
KSR.xlog.xwarn(
"Pressed SOS button. Redirect to asterisk for recording. DURI set to:$du"
)
return True
elif r_user == "7298886":
KSR.xlog.xwarn("Zhilservice")
KSR.seturi("sip:[email protected]")
# Просто так From нельзя менять.
KSR.uac.uac_replace_from_uri("sip:[email protected]")
KSR.setbflag(self.FLAGS['FLB_NATB'])
return True
elif r_user == "VR":
KSR.hdr.append("X-Route-to: VoiceRecognition\r\n")
KSR.dispatcher.ds_select_dst(self.DSIDS['MEDIASERVERS'], 4)
KSR.setbflag(self.FLAGS['FLB_NATB'])
KSR.xlog.xinfo(
"Call for voice recognition redirected to Asterisk. DURI set to:$du"
)
return True
elif re.search("^instruction", r_user):
KSR.dispatcher.ds_select_dst(self.DSIDS['MEDIASERVERS'], 4)
KSR.setbflag(self.FLAGS['FLB_NATB'])
KSR.xlog.xinfo(
"Call redirected to mediaserver. DURI set to:$du RURI:$ru")
return True
elif re.search("^STP_", r_user):
KSR.seturi("sip:{}@interphone.is74.ru:5060".format(r_user))
KSR.hdr.append("X-Route-to: STP\r\n")
KSR.setbflag(self.FLAGS['FLB_NATB'])
KSR.xlog.xinfo("Call redirected to Interphone. RURI set to:$ru")
return True
elif KSR.pv.getw("$fU").lower() in test_domofones:
direct_call = False # Тестовый звонок напрямую на пользователя
KSR.setbflag(self.FLAGS['FLB_NATB'])
if direct_call:
KSR.setuser("id206670") # Подставить выбранного пользователя
if self.ksr_x_route_location() == -255:
exit()
else:
KSR.setdsturi(test_asterisk
) # Маршрутизируем в какой либо сервер принудительно
KSR.setbflag(self.FLAGS['FLB_NATB'])
KSR.xlog.xinfo(
"Test call from $fU to $rU apartment. RURI: $ru DURI: $du")
return True
elif re.search("^(.+)\.vd\.is74\.ru$", r_user):
handset = r_user.split('.')
uri = 'sip:' + handset.pop(0) + '@' + '.'.join(handset)
KSR.xlog.xinfo(
"STP call from $fU to $rU, setting RURI to {}".format(uri))
KSR.seturi(uri)
# Просто так From нельзя менять.
KSR.uac.uac_replace_to_uri(uri)
KSR.setbflag(self.FLAGS['FLB_NATB'])
return True
return False