static void belle_sip_channel_learn_public_ip_port(belle_sip_channel_t *obj, belle_sip_response_t *resp){ belle_sip_header_via_t *via=belle_sip_message_get_header_by_type(resp,belle_sip_header_via_t); const char *received; int rport; if (!via){ belle_sip_error("channel [%p]: no via in response.",obj); return; } if (!(received=belle_sip_header_via_get_received(via))) { /*use address from via*/; received=belle_sip_header_via_get_host(via); } rport=belle_sip_header_via_get_rport(via); if (rport<=0){ /* no rport, the via port might be good then*/ rport=belle_sip_header_via_get_listening_port(via); } belle_sip_channel_set_public_ip_port(obj,received,rport); obj->learnt_ip_port=TRUE; }
static void process_response_event(void *user_ctx, const belle_sip_response_event_t *event){ belle_sip_client_transaction_t* client_transaction = belle_sip_response_event_get_client_transaction(event); belle_sip_response_t* response = belle_sip_response_event_get_response(event); int response_code = belle_sip_response_get_status_code(response); if (!client_transaction) { ms_warning("Discarding stateless response [%i]",response_code); return; } else { SalOp* op = (SalOp*)belle_sip_transaction_get_application_data(BELLE_SIP_TRANSACTION(client_transaction)); belle_sip_request_t* request=belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(client_transaction)); belle_sip_header_contact_t* original_contact; belle_sip_header_address_t* contact_address=NULL; belle_sip_header_via_t* via_header; belle_sip_uri_t* contact_uri; unsigned int contact_port; const char* received; int rport; bool_t contact_updated=FALSE; char* new_contact; if (op->state == SalOpStateTerminated) { belle_sip_message("Op is terminated, nothing to do with this [%i]",response_code); return; } if (!op->base.remote_ua) { sal_op_set_remote_ua(op,BELLE_SIP_MESSAGE(response)); } if (!op->base.call_id) { op->base.call_id=ms_strdup(belle_sip_header_call_id_get_call_id(BELLE_SIP_HEADER_CALL_ID(belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(response), belle_sip_header_call_id_t)))); } sal_op_assign_recv_headers(op,(belle_sip_message_t*)response); if (op->callbacks.process_response_event) { if (op->base.root->nat_helper_enabled) { /*Fix contact if needed*/ via_header= (belle_sip_header_via_t*)belle_sip_message_get_header(BELLE_SIP_MESSAGE(response),BELLE_SIP_VIA); received = belle_sip_header_via_get_received(via_header); rport = belle_sip_header_via_get_rport(via_header); if ((original_contact=belle_sip_message_get_header_by_type(request,belle_sip_header_contact_t))) { /*update contact with sent values in any cases*/ contact_address=belle_sip_header_address_create(NULL,belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(original_contact))); sal_op_set_contact_address(op,(const SalAddress *)contact_address); belle_sip_object_unref(contact_address); } if (sal_op_get_contact(op)){ if (received!=NULL || rport>0) { contact_address = BELLE_SIP_HEADER_ADDRESS(sal_address_clone(sal_op_get_contact_address(op))); contact_uri=belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(contact_address)); if (received && strcmp(received,belle_sip_uri_get_host(contact_uri))!=0) { /*need to update host*/ belle_sip_uri_set_host(contact_uri,received); contact_updated=TRUE; } contact_port = belle_sip_uri_get_port(contact_uri); if (rport>0 && rport!=contact_port && (contact_port+rport)!=5060) { /*need to update port*/ belle_sip_uri_set_port(contact_uri,rport); contact_updated=TRUE; } /*try to fix transport if needed (very unlikely)*/ if (strcasecmp(belle_sip_header_via_get_transport(via_header),"UDP")!=0) { if (!belle_sip_uri_get_transport_param(contact_uri) ||strcasecmp(belle_sip_uri_get_transport_param(contact_uri),belle_sip_header_via_get_transport(via_header))!=0) { belle_sip_uri_set_transport_param(contact_uri,belle_sip_header_via_get_transport_lowercase(via_header)); contact_updated=TRUE; } } else { if (belle_sip_uri_get_transport_param(contact_uri)) { contact_updated=TRUE; belle_sip_uri_set_transport_param(contact_uri,NULL); } } if (contact_updated) { char* old_contact=belle_sip_object_to_string(BELLE_SIP_OBJECT(sal_op_get_contact_address(op))); new_contact=belle_sip_object_to_string(BELLE_SIP_OBJECT(contact_address)); ms_message("Updating contact from [%s] to [%s] for [%p]",old_contact,new_contact,op); sal_op_set_contact_address(op,(const SalAddress *)contact_address); belle_sip_free(new_contact); belle_sip_free(old_contact); } if (contact_address)belle_sip_object_unref(contact_address); } } } /*handle authorization*/ switch (response_code) { case 200: { break; } case 401: case 407:{ /*belle_sip_transaction_set_application_data(BELLE_SIP_TRANSACTION(client_transaction),NULL);*//*remove op from trans*/ if (op->state == SalOpStateTerminating && strcmp("BYE",belle_sip_request_get_method(request))!=0) { /*only bye are completed*/ belle_sip_message("Op is in state terminating, nothing else to do "); } else { if (op->pending_auth_transaction){ belle_sip_object_unref(op->pending_auth_transaction); op->pending_auth_transaction=NULL; } op->pending_auth_transaction=(belle_sip_client_transaction_t*)belle_sip_object_ref(client_transaction); sal_process_authentication(op); return; } } } op->callbacks.process_response_event(op,event); } else { ms_error("Unhandled event response [%p]",event); } } }