static void presence_process_request_event(void *op_base, const belle_sip_request_event_t *event) { SalOp* op = (SalOp*)op_base; belle_sip_server_transaction_t* server_transaction = belle_sip_provider_create_server_transaction(op->base.root->prov,belle_sip_request_event_get_request(event)); belle_sip_request_t* req = belle_sip_request_event_get_request(event); belle_sip_dialog_state_t dialog_state; belle_sip_header_expires_t* expires = belle_sip_message_get_header_by_type(req,belle_sip_header_expires_t); belle_sip_response_t* resp; const char *method=belle_sip_request_get_method(req); belle_sip_object_ref(server_transaction); if (op->pending_server_trans) belle_sip_object_unref(op->pending_server_trans); op->pending_server_trans=server_transaction; if (!op->dialog) { if (strcmp(method,"SUBSCRIBE")==0){ op->dialog=belle_sip_provider_create_dialog(op->base.root->prov,BELLE_SIP_TRANSACTION(server_transaction)); belle_sip_dialog_set_application_data(op->dialog,op); sal_op_ref(op); ms_message("new incoming subscription from [%s] to [%s]",sal_op_get_from(op),sal_op_get_to(op)); }else{ /* this is a NOTIFY */ ms_message("Receiving out of dialog notify"); handle_notify(op,req); return; } } dialog_state=belle_sip_dialog_get_state(op->dialog); switch(dialog_state) { case BELLE_SIP_DIALOG_NULL: { op->base.root->callbacks.subscribe_presence_received(op,sal_op_get_from(op)); break; } case BELLE_SIP_DIALOG_EARLY: ms_error("unexpected method [%s] for dialog [%p] in state BELLE_SIP_DIALOG_EARLY ",method,op->dialog); break; case BELLE_SIP_DIALOG_CONFIRMED: if (strcmp("NOTIFY",method)==0) { handle_notify(op,req); } else if (strcmp("SUBSCRIBE",method)==0) { /*either a refresh or an unsubscribe*/ if (expires && belle_sip_header_expires_get_expires(expires)>0) { op->base.root->callbacks.subscribe_presence_received(op,sal_op_get_from(op)); } else if(expires) { ms_message("Unsubscribe received from [%s]",sal_op_get_from(op)); resp=sal_op_create_response_from_request(op,req,200); belle_sip_server_transaction_send_response(server_transaction,resp); } } break; default: ms_error("unexpected dialog state [%s]",belle_sip_dialog_state_to_string(dialog_state)); break; } }
static void callee_process_request_event(void *user_ctx, const belle_sip_request_event_t *event) { belle_sip_dialog_t* dialog; belle_sip_response_t* ringing_response; belle_sip_header_content_type_t* content_type ; belle_sip_header_content_length_t* content_length; belle_sip_server_transaction_t* server_transaction = belle_sip_request_event_get_server_transaction(event); belle_sip_header_to_t* to=belle_sip_message_get_header_by_type(belle_sip_request_event_get_request(event),belle_sip_header_to_t); const char* method; if (!belle_sip_uri_equals(BELLE_SIP_URI(user_ctx),belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(to)))) { belle_sip_message("Message [%p] not for callee, skipping",belle_sip_request_event_get_request(event)); return; /*not for the callee*/ } method = belle_sip_request_get_method(belle_sip_request_event_get_request(event)); if (!server_transaction && strcmp(method,"ACK")!=0) { server_transaction= belle_sip_provider_create_server_transaction(prov,belle_sip_request_event_get_request(event)); } belle_sip_message("callee_process_request_event received [%s] message",method); dialog = belle_sip_request_event_get_dialog(event); if (!dialog ) { BC_ASSERT_STRING_EQUAL_FATAL("INVITE",method); dialog=belle_sip_provider_create_dialog(prov,BELLE_SIP_TRANSACTION(server_transaction)); callee_dialog=dialog; inserv_transaction=server_transaction; } if (belle_sip_dialog_get_state(dialog) == BELLE_SIP_DIALOG_NULL) { ringing_response = belle_sip_response_create_from_request(belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(server_transaction)),180); /*prepare 200ok*/ ok_response = belle_sip_response_create_from_request(belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(server_transaction)),200); content_length= belle_sip_header_content_length_create(strlen(sdp)); content_type = belle_sip_header_content_type_create("application","sdp"); belle_sip_message_add_header(BELLE_SIP_MESSAGE(ok_response),BELLE_SIP_HEADER(content_type)); belle_sip_message_add_header(BELLE_SIP_MESSAGE(ok_response),BELLE_SIP_HEADER(content_length)); belle_sip_message_set_body(BELLE_SIP_MESSAGE(ok_response),sdp,strlen(sdp)); belle_sip_object_ref(ok_response); /*only send ringing*/ belle_sip_server_transaction_send_response(server_transaction,ringing_response); } else if (belle_sip_dialog_get_state(dialog) == BELLE_SIP_DIALOG_CONFIRMED) { /*time to send bye*/ belle_sip_client_transaction_t* client_transaction = belle_sip_provider_create_client_transaction(prov,belle_sip_dialog_create_request(dialog,"BYE")); belle_sip_client_transaction_send_request(client_transaction); } else { belle_sip_warning("Unexpected state [%s] for dialog [%p]",belle_sip_dialog_state_to_string(belle_sip_dialog_get_state(dialog)),dialog ); } }
static void process_request_event(void *op_base, const belle_sip_request_event_t *event) { SalOp* op = (SalOp*)op_base; belle_sip_server_transaction_t* server_transaction=NULL; belle_sdp_session_description_t* sdp; belle_sip_request_t* req = belle_sip_request_event_get_request(event); belle_sip_dialog_state_t dialog_state; belle_sip_response_t* resp; belle_sip_header_t* call_info; const char *method=belle_sip_request_get_method(req); bool_t is_update=FALSE; if (strcmp("ACK",method)!=0){ /*ACK does'nt create srv transaction*/ server_transaction = belle_sip_provider_create_server_transaction(op->base.root->prov,belle_sip_request_event_get_request(event)); belle_sip_object_ref(server_transaction); belle_sip_transaction_set_application_data(BELLE_SIP_TRANSACTION(server_transaction),sal_op_ref(op)); } if (strcmp("INVITE",method)==0) { if (op->pending_server_trans) belle_sip_object_unref(op->pending_server_trans); /*updating pending invite transaction*/ op->pending_server_trans=server_transaction; belle_sip_object_ref(op->pending_server_trans); } if (strcmp("UPDATE",method)==0) { if (op->pending_update_server_trans) belle_sip_object_unref(op->pending_update_server_trans); /*updating pending update transaction*/ op->pending_update_server_trans=server_transaction; belle_sip_object_ref(op->pending_update_server_trans); } if (!op->dialog) { set_or_update_dialog(op,belle_sip_provider_create_dialog(op->base.root->prov,BELLE_SIP_TRANSACTION(op->pending_server_trans))); ms_message("new incoming call from [%s] to [%s]",sal_op_get_from(op),sal_op_get_to(op)); } dialog_state=belle_sip_dialog_get_state(op->dialog); switch(dialog_state) { case BELLE_SIP_DIALOG_NULL: { if (strcmp("INVITE",method)==0) { if (!op->replaces && (op->replaces=belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(req),belle_sip_header_replaces_t))) { belle_sip_object_ref(op->replaces); } else if(op->replaces) { ms_warning("replace header already set"); } if (process_sdp_for_invite(op,req) == 0) { if ((call_info=belle_sip_message_get_header(BELLE_SIP_MESSAGE(req),"Call-Info"))) { if( strstr(belle_sip_header_get_unparsed_value(call_info),"answer-after=") != NULL) { op->auto_answer_asked=TRUE; ms_message("The caller asked to automatically answer the call(Emergency?)\n"); } } op->base.root->callbacks.call_received(op); } break; } /* else same behavior as for EARLY state*/ } case BELLE_SIP_DIALOG_EARLY: { //hmm probably a cancel if (strcmp("CANCEL",method)==0) { if(belle_sip_request_event_get_server_transaction(event)) { /*first answer 200 ok to cancel*/ belle_sip_server_transaction_send_response(server_transaction ,sal_op_create_response_from_request(op,req,200)); /*terminate invite transaction*/ call_terminated(op ,op->pending_server_trans ,belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(op->pending_server_trans)),487); } else { /*call leg does not exist*/ belle_sip_server_transaction_send_response(server_transaction ,sal_op_create_response_from_request(op,req,481)); } } else if (strcmp("PRACK",method)==0) { resp=sal_op_create_response_from_request(op,req,200); belle_sip_server_transaction_send_response(server_transaction,resp); } else if (strcmp("UPDATE",method)==0) { sal_op_reset_descriptions(op); if (process_sdp_for_invite(op,req)==0) op->base.root->callbacks.call_updating(op,TRUE); } else { belle_sip_error("Unexpected method [%s] for dialog state BELLE_SIP_DIALOG_EARLY",belle_sip_request_get_method(req)); unsupported_method(server_transaction,req); } break; } case BELLE_SIP_DIALOG_CONFIRMED: /*great ACK received*/ if (strcmp("ACK",method)==0) { if (op->sdp_offering){ SalReason reason; if (extract_sdp(op,BELLE_SIP_MESSAGE(req),&sdp,&reason)==0){ if (sdp){ if (op->base.remote_media) sal_media_description_unref(op->base.remote_media); op->base.remote_media=sal_media_description_new(); sdp_to_media_description(sdp,op->base.remote_media); sdp_process(op); belle_sip_object_unref(sdp); }else{ ms_warning("SDP expected in ACK but not found."); } } } op->base.root->callbacks.call_ack(op); } else if(strcmp("BYE",method)==0) { resp=sal_op_create_response_from_request(op,req,200); belle_sip_server_transaction_send_response(server_transaction,resp); op->base.root->callbacks.call_terminated(op,op->dir==SalOpDirIncoming?sal_op_get_from(op):sal_op_get_to(op)); op->state=SalOpStateTerminating; /*call end not notified by dialog deletion because transaction can end before dialog*/ } else if(strcmp("INVITE",method)==0 || (is_update=(strcmp("UPDATE",method)==0)) ) { if (is_update && !belle_sip_message_get_body(BELLE_SIP_MESSAGE(req))) { /*session timer case*/ /*session expire should be handled. to be done when real session timer (rfc4028) will be implemented*/ resp=sal_op_create_response_from_request(op,req,200); belle_sip_server_transaction_send_response(server_transaction,resp); belle_sip_object_unref(op->pending_update_server_trans); op->pending_update_server_trans=NULL; } else { /*re-invite*/ sal_op_reset_descriptions(op); if (process_sdp_for_invite(op,req)==0) op->base.root->callbacks.call_updating(op,is_update); } } else if (strcmp("INFO",method)==0){ if (belle_sip_message_get_body(BELLE_SIP_MESSAGE(req)) && strstr(belle_sip_message_get_body(BELLE_SIP_MESSAGE(req)),"picture_fast_update")) { /*vfu request*/ ms_message("Receiving VFU request on op [%p]",op); if (op->base.root->callbacks.vfu_request){ op->base.root->callbacks.vfu_request(op); } }else{ SalBody salbody; if (sal_op_get_body(op,(belle_sip_message_t*)req,&salbody)) { if (sal_body_has_type(&salbody,"application","dtmf-relay")){ char tmp[10]; if (sal_lines_get_value(salbody.data, "Signal",tmp, sizeof(tmp))){ op->base.root->callbacks.dtmf_received(op,tmp[0]); } }else op->base.root->callbacks.info_received(op,&salbody); } else { op->base.root->callbacks.info_received(op,NULL); } } resp=sal_op_create_response_from_request(op,req,200); belle_sip_server_transaction_send_response(server_transaction,resp); }else if (strcmp("REFER",method)==0) { sal_op_process_refer(op,event,server_transaction); } else if (strcmp("NOTIFY",method)==0) { sal_op_call_process_notify(op,event,server_transaction); } else if (strcmp("OPTIONS",method)==0) { resp=sal_op_create_response_from_request(op,req,200); belle_sip_server_transaction_send_response(server_transaction,resp); } else if (strcmp("CANCEL",method)==0) { /*call leg does not exist because 200ok already sent*/ belle_sip_server_transaction_send_response(server_transaction,sal_op_create_response_from_request(op,req,481)); } else if (strcmp("MESSAGE",method)==0){ sal_process_incoming_message(op,event); }else{ ms_error("unexpected method [%s] for dialog [%p]",belle_sip_request_get_method(req),op->dialog); unsupported_method(server_transaction,req); } break; default: ms_error("unexpected dialog state [%s]",belle_sip_dialog_state_to_string(dialog_state)); break; } if (server_transaction) belle_sip_object_unref(server_transaction); }
static void process_request_event(void *op_base, const belle_sip_request_event_t *event) { SalOp* op = (SalOp*)op_base; belle_sip_server_transaction_t* server_transaction=NULL; belle_sdp_session_description_t* sdp; belle_sip_request_t* req = belle_sip_request_event_get_request(event); belle_sip_dialog_state_t dialog_state; belle_sip_response_t* resp; belle_sip_header_t* call_info; if (strcmp("ACK",belle_sip_request_get_method(req))!=0){ /*ACK does'nt create srv transaction*/ server_transaction = belle_sip_provider_create_server_transaction(op->base.root->prov,belle_sip_request_event_get_request(event)); belle_sip_object_ref(server_transaction); belle_sip_transaction_set_application_data(BELLE_SIP_TRANSACTION(server_transaction),op); sal_op_ref(op); } if (strcmp("INVITE",belle_sip_request_get_method(req))==0) { if (op->pending_server_trans) belle_sip_object_unref(op->pending_server_trans); /*updating pending invite transaction*/ op->pending_server_trans=server_transaction; belle_sip_object_ref(op->pending_server_trans); } if (!op->dialog) { set_or_update_dialog(op,belle_sip_provider_create_dialog(op->base.root->prov,BELLE_SIP_TRANSACTION(op->pending_server_trans))); ms_message("new incoming call from [%s] to [%s]",sal_op_get_from(op),sal_op_get_to(op)); } dialog_state=belle_sip_dialog_get_state(op->dialog); switch(dialog_state) { case BELLE_SIP_DIALOG_NULL: { if (strcmp("INVITE",belle_sip_request_get_method(req))==0) { if (!op->replaces && (op->replaces=belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(req),belle_sip_header_replaces_t))) { belle_sip_object_ref(op->replaces); } else if(op->replaces) { ms_warning("replace header already set"); } process_sdp_for_invite(op,req); if ((call_info=belle_sip_message_get_header(BELLE_SIP_MESSAGE(req),"Call-Info"))) { if( strstr(belle_sip_header_extension_get_value(BELLE_SIP_HEADER_EXTENSION(call_info)),"answer-after=") != NULL) { op->auto_answer_asked=TRUE; ms_message("The caller asked to automatically answer the call(Emergency?)\n"); } } op->base.root->callbacks.call_received(op); break; } /* else same behavior as for EARLY state*/ } case BELLE_SIP_DIALOG_EARLY: { //hmm probably a cancel if (strcmp("CANCEL",belle_sip_request_get_method(req))==0) { if(belle_sip_request_event_get_server_transaction(event)) { /*first answer 200 ok to cancel*/ belle_sip_server_transaction_send_response(server_transaction ,sal_op_create_response_from_request(op,req,200)); /*terminate invite transaction*/ call_terminated(op ,op->pending_server_trans ,belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(op->pending_server_trans)),487); } else { /*call leg does not exist*/ belle_sip_server_transaction_send_response(server_transaction ,sal_op_create_response_from_request(op,req,481)); } } else if (strcmp("PRACK",belle_sip_request_get_method(req))==0) { resp=sal_op_create_response_from_request(op,req,200); belle_sip_server_transaction_send_response(server_transaction,resp); } else { belle_sip_error("Unexpected method [%s] for dialog state BELLE_SIP_DIALOG_EARLY",belle_sip_request_get_method(req)); unsupported_method(server_transaction,req); } break; } case BELLE_SIP_DIALOG_CONFIRMED: /*great ACK received*/ if (strcmp("ACK",belle_sip_request_get_method(req))==0) { if (op->sdp_offering){ if ((sdp=belle_sdp_session_description_create(BELLE_SIP_MESSAGE(req)))){ if (op->base.remote_media) sal_media_description_unref(op->base.remote_media); op->base.remote_media=sal_media_description_new(); sdp_to_media_description(sdp,op->base.remote_media); sdp_process(op); belle_sip_object_unref(sdp); } } /*FIXME if (op->reinvite){ op->reinvite=FALSE; }*/ op->base.root->callbacks.call_ack(op); } else if(strcmp("BYE",belle_sip_request_get_method(req))==0) { resp=sal_op_create_response_from_request(op,req,200); belle_sip_server_transaction_send_response(server_transaction,resp); op->base.root->callbacks.call_terminated(op,op->dir==SalOpDirIncoming?sal_op_get_from(op):sal_op_get_to(op)); op->state=SalOpStateTerminating; /*call end not notified by dialog deletion because transaction can end before dialog*/ } else if(strcmp("INVITE",belle_sip_request_get_method(req))==0) { /*re-invite*/ if (op->base.remote_media){ sal_media_description_unref(op->base.remote_media); op->base.remote_media=NULL; } if (op->result){ sal_media_description_unref(op->result); op->result=NULL; } process_sdp_for_invite(op,req); op->base.root->callbacks.call_updating(op); } else if (strcmp("INFO",belle_sip_request_get_method(req))==0){ if (belle_sip_message_get_body(BELLE_SIP_MESSAGE(req)) && strstr(belle_sip_message_get_body(BELLE_SIP_MESSAGE(req)),"picture_fast_update")) { /*vfu request*/ ms_message("Receiving VFU request on op [%p]",op); if (op->base.root->callbacks.vfu_request){ op->base.root->callbacks.vfu_request(op); } }else{ SalBody salbody; if (sal_op_get_body(op,(belle_sip_message_t*)req,&salbody)) { op->base.root->callbacks.info_received(op,&salbody); } else { op->base.root->callbacks.info_received(op,NULL); } } resp=sal_op_create_response_from_request(op,req,200); belle_sip_server_transaction_send_response(server_transaction,resp); }else if (strcmp("REFER",belle_sip_request_get_method(req))==0) { sal_op_process_refer(op,event,server_transaction); } else if (strcmp("NOTIFY",belle_sip_request_get_method(req))==0) { sal_op_call_process_notify(op,event,server_transaction); } else if (strcmp("OPTIONS",belle_sip_request_get_method(req))==0) { resp=sal_op_create_response_from_request(op,req,200); belle_sip_server_transaction_send_response(server_transaction,resp); } else if (strcmp("CANCEL",belle_sip_request_get_method(req))==0) { /*call leg does not exist because 200ok already sent*/ belle_sip_server_transaction_send_response( server_transaction ,sal_op_create_response_from_request(op,req,481)); } else{ ms_error("unexpected method [%s] for dialog [%p]",belle_sip_request_get_method(req),op->dialog); unsupported_method(server_transaction,req); } break; default: { ms_error("unexpected dialog state [%s]",belle_sip_dialog_state_to_string(dialog_state)); } /* no break */ } if (server_transaction) belle_sip_object_unref(server_transaction); }
static void server_process_request_event(void *obj, const belle_sip_request_event_t *event){ endpoint_t* endpoint = (endpoint_t*)obj; belle_sip_server_transaction_t* server_transaction =belle_sip_provider_create_server_transaction(endpoint->provider,belle_sip_request_event_get_request(event)); belle_sip_request_t* req = belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(server_transaction)); belle_sip_response_t* resp; belle_sip_header_contact_t* contact; belle_sip_header_expires_t* expires; belle_sip_header_authorization_t* authorization; belle_sip_header_via_t* via; const char* raw_authenticate_digest = "WWW-Authenticate: Digest " "algorithm=MD5, realm=\"" SIPDOMAIN "\", opaque=\"1bc7f9097684320\""; belle_sip_header_www_authenticate_t* www_authenticate=NULL; const char* auth_uri; const char* qop; unsigned char auth_ok=0; char local_resp[33]; belle_sip_message("caller_process_request_event received [%s] message",belle_sip_request_get_method(belle_sip_request_event_get_request(event))); switch (endpoint->auth) { case none: { auth_ok=1; break; } case digest_auth: case digest: { if ((authorization=belle_sip_message_get_header_by_type(req,belle_sip_header_authorization_t)) != NULL){ qop=belle_sip_header_authorization_get_qop(authorization); if (qop && strcmp(qop,"auth")==0) { compute_response_auth_qop( belle_sip_header_authorization_get_username(authorization) ,belle_sip_header_authorization_get_realm(authorization) ,PASSWD ,endpoint->nonce ,endpoint->nonce_count ,belle_sip_header_authorization_get_cnonce(authorization) ,belle_sip_header_authorization_get_qop(authorization) ,belle_sip_request_get_method(req) ,auth_uri=belle_sip_uri_to_string(belle_sip_header_authorization_get_uri(authorization)) ,local_resp); } else { /*digest*/ compute_response(belle_sip_header_authorization_get_username(authorization) ,belle_sip_header_authorization_get_realm(authorization) ,PASSWD ,endpoint->nonce ,belle_sip_request_get_method(req) ,auth_uri=belle_sip_uri_to_string(belle_sip_header_authorization_get_uri(authorization)) ,local_resp); } belle_sip_free((void*)auth_uri); auth_ok=strcmp(belle_sip_header_authorization_get_response(authorization),local_resp)==0; } if (auth_ok && endpoint->nonce_count<MAX_NC_COUNT ) {/*revoke nonce after MAX_NC_COUNT uses*/ if (endpoint->auth == digest ) { sprintf(endpoint->nonce,"%p",authorization); //*change the nonce for next auth*/ } else { endpoint->nonce_count++; } } else { auth_ok=0; www_authenticate=belle_sip_header_www_authenticate_parse(raw_authenticate_digest); sprintf(endpoint->nonce,"%p",authorization); //*change the nonce for next auth*/ belle_sip_header_www_authenticate_set_nonce(www_authenticate,endpoint->nonce); if (endpoint->auth == digest_auth) { belle_sip_header_www_authenticate_add_qop(www_authenticate,"auth"); if (endpoint->nonce_count>=MAX_NC_COUNT) { belle_sip_header_www_authenticate_set_stale(www_authenticate,1); endpoint->nonce_count=1; } } } } break; default: break; } if (auth_ok) { resp=belle_sip_response_create_from_request(belle_sip_request_event_get_request(event),200); if (!endpoint->expire_in_contact) { belle_sip_message_add_header(BELLE_SIP_MESSAGE(resp),BELLE_SIP_HEADER(expires=belle_sip_message_get_header_by_type(req,belle_sip_header_expires_t))); } if (strcmp(belle_sip_request_get_method(req),"REGISTER")==0) { contact=belle_sip_message_get_header_by_type(req,belle_sip_header_contact_t); } else { contact=belle_sip_header_contact_new(); } if(endpoint->unreconizable_contact) { /*put an unexpected address*/ belle_sip_uri_set_host(belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(contact)),"nimportequoi.com"); } belle_sip_message_add_header(BELLE_SIP_MESSAGE(resp),BELLE_SIP_HEADER(contact)); if (strcmp(belle_sip_request_get_method(req),"PUBLISH")==0) { belle_sip_header_t* sip_if_match=belle_sip_message_get_header(BELLE_SIP_MESSAGE(resp),"SIP-If-Match"); if (sip_if_match) { BC_ASSERT_STRING_EQUAL(belle_sip_header_extension_get_value(BELLE_SIP_HEADER_EXTENSION(sip_if_match)),"blablietag"); } /*check for body*/ BC_ASSERT_PTR_NOT_NULL(belle_sip_message_get_body(BELLE_SIP_MESSAGE(req))); if (belle_sip_message_get_body(BELLE_SIP_MESSAGE(req))) { BC_ASSERT_STRING_EQUAL(belle_sip_message_get_body(BELLE_SIP_MESSAGE(req)),publish_body); } BC_ASSERT_PTR_NOT_NULL(belle_sip_message_get_header_by_type(req,belle_sip_header_content_type_t)); BC_ASSERT_PTR_NOT_NULL(belle_sip_message_get_header_by_type(req,belle_sip_header_content_length_t)); belle_sip_message_add_header(BELLE_SIP_MESSAGE(resp),belle_sip_header_create("SIP-ETag","blablietag")); } if (strcmp(belle_sip_request_get_method(req),"SUBSCRIBE")==0){ if (belle_sip_request_event_get_dialog(event) == NULL){ belle_sip_message("creating dialog for incoming SUBSCRIBE"); belle_sip_provider_create_dialog(endpoint->provider, BELLE_SIP_TRANSACTION(server_transaction)); } } } else { resp=belle_sip_response_create_from_request(belle_sip_request_event_get_request(event),401); if (www_authenticate) belle_sip_message_add_header(BELLE_SIP_MESSAGE(resp),BELLE_SIP_HEADER(www_authenticate)); } if (endpoint->received) { via=belle_sip_message_get_header_by_type(req,belle_sip_header_via_t); belle_sip_header_via_set_received(via,endpoint->received); } belle_sip_server_transaction_send_response(server_transaction,resp); }