Exemplo n.º 1
0
void sal_process_authentication(SalOp *op) {
	belle_sip_request_t* request=belle_sip_transaction_get_request((belle_sip_transaction_t*)op->pending_auth_transaction);
	bool_t is_within_dialog=FALSE;
	belle_sip_list_t* auth_list=NULL;
	belle_sip_auth_event_t* auth_event;
	belle_sip_response_t *response=belle_sip_transaction_get_response((belle_sip_transaction_t*)op->pending_auth_transaction);
	
	sal_add_pending_auth(op->base.root,op);
	
	if (op->dialog && belle_sip_dialog_get_state(op->dialog)==BELLE_SIP_DIALOG_CONFIRMED) {
		request = belle_sip_dialog_create_request_from(op->dialog,(const belle_sip_request_t *)request);
		is_within_dialog=TRUE;
	} else {
		belle_sip_message_remove_header(BELLE_SIP_MESSAGE(request),BELLE_SIP_AUTHORIZATION);
		belle_sip_message_remove_header(BELLE_SIP_MESSAGE(request),BELLE_SIP_PROXY_AUTHORIZATION);
	}
	if (belle_sip_provider_add_authorization(op->base.root->prov,request,response,&auth_list)) {
		if (is_within_dialog) {
			sal_op_send_request(op,request);
		} else {
			sal_op_resend_request(op,request);
		}
		sal_remove_pending_auth(op->base.root,op);
	}else {
		ms_message("No auth info found for [%s]",sal_op_get_from(op));
		if (is_within_dialog) {
			belle_sip_object_unref(request);
		}
		if (op->auth_info) sal_auth_info_delete(op->auth_info);
		auth_event=(belle_sip_auth_event_t*)(auth_list->data);
		op->auth_info=sal_auth_info_create(auth_event);
		belle_sip_list_free_with_data(auth_list,(void (*)(void*))belle_sip_auth_event_destroy);
	}

}
Exemplo n.º 2
0
void sal_process_authentication(SalOp *op) {
	belle_sip_request_t* initial_request=belle_sip_transaction_get_request((belle_sip_transaction_t*)op->pending_auth_transaction);
	belle_sip_request_t* new_request;
	bool_t is_within_dialog=FALSE;
	belle_sip_list_t* auth_list=NULL;
	belle_sip_auth_event_t* auth_event;
	belle_sip_response_t *response=belle_sip_transaction_get_response((belle_sip_transaction_t*)op->pending_auth_transaction);
	belle_sip_header_from_t *from=belle_sip_message_get_header_by_type(initial_request,belle_sip_header_from_t);
	belle_sip_uri_t *from_uri=belle_sip_header_address_get_uri((belle_sip_header_address_t*)from);

	if (strcasecmp(belle_sip_uri_get_host(from_uri),"anonymous.invalid")==0){
		/*prefer using the from from the SalOp*/
		from_uri=belle_sip_header_address_get_uri((belle_sip_header_address_t*)sal_op_get_from_address(op));
	}

	if (op->dialog && belle_sip_dialog_get_state(op->dialog)==BELLE_SIP_DIALOG_CONFIRMED) {
		new_request = belle_sip_dialog_create_request_from(op->dialog,initial_request);
		if (!new_request)
			new_request = belle_sip_dialog_create_queued_request_from(op->dialog,initial_request);
		is_within_dialog=TRUE;
	} else {
		new_request=initial_request;
		belle_sip_message_remove_header(BELLE_SIP_MESSAGE(new_request),BELLE_SIP_AUTHORIZATION);
		belle_sip_message_remove_header(BELLE_SIP_MESSAGE(new_request),BELLE_SIP_PROXY_AUTHORIZATION);
	}
	if (new_request==NULL) {
		ms_error("sal_process_authentication() op=[%p] cannot obtain new request from dialog.",op);
		return;
	}

	if (belle_sip_provider_add_authorization(op->base.root->prov,new_request,response,from_uri,&auth_list,op->base.realm)) {
		if (is_within_dialog) {
			sal_op_send_request(op,new_request);
		} else {
			sal_op_resend_request(op,new_request);
		}
		sal_remove_pending_auth(op->base.root,op);
	}else {
		belle_sip_header_from_t *from=belle_sip_message_get_header_by_type(response,belle_sip_header_from_t);
		char *tmp=belle_sip_object_to_string(belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(from)));
		ms_message("No auth info found for [%s]",tmp);
		belle_sip_free(tmp);
		sal_add_pending_auth(op->base.root,op);

		if (is_within_dialog) {
			belle_sip_object_unref(new_request);
		}
	}
	/*always store auth info, for case of wrong credential*/
	if (op->auth_info) {
		sal_auth_info_delete(op->auth_info);
		op->auth_info=NULL;
	}
	if (auth_list){
		auth_event=(belle_sip_auth_event_t*)(auth_list->data);
		op->auth_info=sal_auth_info_create(auth_event);
		belle_sip_list_free_with_data(auth_list,(void (*)(void*))belle_sip_auth_event_destroy);
	}
}
Exemplo n.º 3
0
void sal_process_authentication(SalOp *op) {
	belle_sip_request_t* initial_request=belle_sip_transaction_get_request((belle_sip_transaction_t*)op->pending_auth_transaction);
	belle_sip_request_t* new_request;
	bool_t is_within_dialog=FALSE;
	belle_sip_list_t* auth_list=NULL;
	belle_sip_auth_event_t* auth_event;
	belle_sip_response_t *response=belle_sip_transaction_get_response((belle_sip_transaction_t*)op->pending_auth_transaction);
	

	if (op->dialog && belle_sip_dialog_get_state(op->dialog)==BELLE_SIP_DIALOG_CONFIRMED) {
		new_request = belle_sip_dialog_create_request_from(op->dialog,initial_request);
		if (!new_request)
			new_request = belle_sip_dialog_create_queued_request_from(op->dialog,initial_request);
		is_within_dialog=TRUE;
	} else {
		new_request=initial_request;
		belle_sip_message_remove_header(BELLE_SIP_MESSAGE(new_request),BELLE_SIP_AUTHORIZATION);
		belle_sip_message_remove_header(BELLE_SIP_MESSAGE(new_request),BELLE_SIP_PROXY_AUTHORIZATION);
	}
	if (new_request==NULL) {
		ms_error("sal_process_authentication() op=[%p] cannot obtain new request from dialog.",op);
		return;
	}
	
	if (belle_sip_provider_add_authorization(op->base.root->prov,new_request,response,&auth_list)) {
		if (is_within_dialog) {
			sal_op_send_request(op,new_request);
		} else {
			sal_op_resend_request(op,new_request);
		}
		sal_remove_pending_auth(op->base.root,op);
	}else {
		ms_message("No auth info found for [%s]",sal_op_get_from(op));
		sal_add_pending_auth(op->base.root,op);

		if (is_within_dialog) {
			belle_sip_object_unref(new_request);
		}
	}
	/*always store auth info, for case of wrong credential*/
	if (op->auth_info) sal_auth_info_delete(op->auth_info);
	if (auth_list){
		auth_event=(belle_sip_auth_event_t*)(auth_list->data);
		op->auth_info=sal_auth_info_create(auth_event);
		belle_sip_list_free_with_data(auth_list,(void (*)(void*))belle_sip_auth_event_destroy);
	}
}
Exemplo n.º 4
0
static int belle_sip_refresher_refresh_internal(belle_sip_refresher_t* refresher, int expires, int auth_mandatory, belle_sip_list_t** auth_infos, belle_sip_uri_t *requri) {
	belle_sip_request_t*old_request=belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(refresher->transaction));
	belle_sip_response_t*old_response=belle_sip_transaction_get_response(BELLE_SIP_TRANSACTION(refresher->transaction));
	belle_sip_dialog_t* dialog = refresher->dialog;
	belle_sip_client_transaction_t* client_transaction;
	belle_sip_request_t* request;
	belle_sip_header_expires_t* expires_header;
	belle_sip_uri_t* preset_route=refresher->transaction->preset_route;
	belle_sip_provider_t* prov=refresher->transaction->base.provider;
	belle_sip_header_contact_t* contact;

	/*first remove timer if any*/
	if (expires >=0) {
		refresher->target_expires=expires;
	} else {
		/*-1 keep last value*/
	}

	if (!dialog) {
		const belle_sip_transaction_state_t state=belle_sip_transaction_get_state(BELLE_SIP_TRANSACTION(refresher->transaction));
		/*create new request*/
		if (belle_sip_transaction_state_is_transient(state)) {
			/*operation pending, cannot update authorization headers*/
			belle_sip_header_cseq_t* cseq;
			belle_sip_message("Refresher [%p] already has transaction [%p] in state [%s]"	,refresher
				,refresher->transaction
				,belle_sip_transaction_state_to_string(state));
			
			if (strcmp(belle_sip_request_get_method(old_request),"PUBLISH")==0) {
				belle_sip_message("Refresher [%p] new publish is delayed to end of ongoing transaction"	,refresher);
				refresher->publish_pending = TRUE;
				return 0;
			} else {
				request=belle_sip_request_clone_with_body(belle_sip_transaction_get_request(BELLE_SIP_TRANSACTION(refresher->transaction)));
				cseq=belle_sip_message_get_header_by_type(request,belle_sip_header_cseq_t);
				belle_sip_header_cseq_set_seq_number(cseq,belle_sip_header_cseq_get_seq_number(cseq)+1);
			}
		} else {
			request=belle_sip_client_transaction_create_authenticated_request(refresher->transaction,auth_infos,refresher->realm);
		}
		if (requri){
			/*case where we are redirected*/
			belle_sip_request_set_uri(request,requri);
			/*remove auth headers, they are not valid for new destination*/
			belle_sip_message_remove_header(BELLE_SIP_MESSAGE(request),BELLE_SIP_AUTHORIZATION);
			belle_sip_message_remove_header(BELLE_SIP_MESSAGE(request),BELLE_SIP_PROXY_AUTHORIZATION);
		}
	} else  {
		switch (belle_sip_dialog_get_state(dialog)) {
			case BELLE_SIP_DIALOG_CONFIRMED: {
				if (belle_sip_dialog_request_pending(dialog)){
					belle_sip_message("Cannot refresh now, there is a pending request in the dialog.");
					return -1;
				}
				request=belle_sip_dialog_create_request_from(dialog,old_request);
				if (strcmp(belle_sip_request_get_method(request),"SUBSCRIBE")==0) {
					belle_sip_header_content_type_t *content_type;
					/*put expire header*/
					if (!(expires_header = belle_sip_message_get_header_by_type(request,belle_sip_header_expires_t))) {
						expires_header = belle_sip_header_expires_new();
						belle_sip_message_add_header(BELLE_SIP_MESSAGE(request),BELLE_SIP_HEADER(expires_header));
					}
					if ((content_type = belle_sip_message_get_header_by_type(request, belle_sip_header_content_type_t))
						&& strcasecmp("application", belle_sip_header_content_type_get_type(content_type)) == 0
						&& strcasecmp("resource-lists+xml", belle_sip_header_content_type_get_subtype(content_type)) == 0) {
						/*rfc5367
						 3.2.  Subsequent SUBSCRIBE Requests
						 ...
						 At this point, there are no semantics associated with resource-list
						 bodies in subsequent SUBSCRIBE requests (although future extensions
						 can define them).  Therefore, UACs SHOULD NOT include resource-list
						 bodies in subsequent SUBSCRIBE requests to a resource list server.
						 */
						belle_sip_message("Removing body, content type and content length for refresher [%p]",refresher);
						belle_sip_message_set_body(BELLE_SIP_MESSAGE(request), NULL, 0);
						belle_sip_message_remove_header(BELLE_SIP_MESSAGE(request),BELLE_SIP_CONTENT_TYPE);
						belle_sip_message_remove_header(BELLE_SIP_MESSAGE(request),BELLE_SIP_CONTENT_LENGTH);
						
					}
				}
				belle_sip_provider_add_authorization(prov,request,old_response,NULL,auth_infos,refresher->realm);
				break;
			}
			case BELLE_SIP_DIALOG_TERMINATED: {
				if (refresher->first_acknoleged_request) {
					char tmp[11];
					belle_sip_message("Dialog [%p] is in state terminated, recreating a new one for refresher [%p]",dialog,refresher);
					request = refresher->first_acknoleged_request;
					belle_sip_header_cseq_set_seq_number(belle_sip_message_get_header_by_type(request,belle_sip_header_cseq_t)
														 ,20);
					belle_sip_parameters_remove_parameter(BELLE_SIP_PARAMETERS(belle_sip_message_get_header_by_type(request,belle_sip_header_to_t)),"tag");
					
					belle_sip_header_call_id_set_call_id(	  belle_sip_message_get_header_by_type(request,belle_sip_header_call_id_t)
															, belle_sip_random_token(tmp,sizeof(tmp)));
					break;
				} /*else nop, error case*/
				
			}
			default: {
				belle_sip_error("Unexpected dialog state [%s] for dialog [%p], cannot refresh [%s]"
								,belle_sip_dialog_state_to_string(belle_sip_dialog_get_state(dialog))
								,dialog
								,belle_sip_request_get_method(old_request));
				return -1;
			}
		}
	}

	if (auth_mandatory && auth_infos && belle_sip_list_find_custom(*auth_infos, unfilled_auth_info, NULL)) {
		belle_sip_message("Auth info not found for this refresh operation on [%p]",refresher);
		if (request) belle_sip_object_unref(request);
		return -1;
	}

	refresher->on_io_error=0; /*reset this flag*/

	/*update expires in any cases*/
	expires_header = belle_sip_message_get_header_by_type(request,belle_sip_header_expires_t);
	if (expires_header)
		belle_sip_header_expires_set_expires(expires_header,refresher->target_expires);
	contact=belle_sip_message_get_header_by_type(request,belle_sip_header_contact_t);
	if (contact && belle_sip_header_contact_get_expires(contact)>=0)
		belle_sip_header_contact_set_expires(contact,refresher->target_expires);

	/*update the Date header if it exists*/
	{
		belle_sip_header_date_t *date=belle_sip_message_get_header_by_type(request,belle_sip_header_date_t);
		if (date){
			time_t curtime=time(NULL);
			belle_sip_header_date_set_time(date,&curtime);
		}
	}

	client_transaction = belle_sip_provider_create_client_transaction(prov,request);
	client_transaction->base.is_internal=1;
	belle_sip_transaction_set_application_data(BELLE_SIP_TRANSACTION(client_transaction),refresher);
	
	if (request ==  refresher->first_acknoleged_request) { /*request is now ref by transaction so no need to keepo it*/
		belle_sip_object_unref(refresher->first_acknoleged_request);
		refresher->first_acknoleged_request = NULL;
	}
	
	switch (belle_sip_transaction_get_state(BELLE_SIP_TRANSACTION(refresher->transaction))) {
	case BELLE_SIP_TRANSACTION_INIT:
	case BELLE_SIP_TRANSACTION_CALLING:
	case BELLE_SIP_TRANSACTION_TRYING:
		/*very early state, we can assume nobody will answer, stop retransmiting*/
		belle_sip_transaction_terminate(BELLE_SIP_TRANSACTION(refresher->transaction));
		break;
	default: /*we preserve the transaction "as is"*/
		break;
	}
	/*update reference transaction for next refresh*/
	belle_sip_object_unref(refresher->transaction);
	refresher->transaction=client_transaction;
	belle_sip_object_ref(refresher->transaction);

	if (belle_sip_client_transaction_send_request_to(client_transaction,requri?requri:preset_route)) { /*send imediatly to requri in case of redirect*/
		belle_sip_error("Cannot send refresh method [%s] for refresher [%p]"
				,belle_sip_request_get_method(request)
				,refresher);
		return -1;
	}
	if (expires==0) belle_sip_refresher_stop_internal(refresher,0); /*unregister transaction must be preserved*/
	return 0;
}