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);
}
}
void sal_op_release_impl(SalOp *op){
ms_message("Destroying op [%p] of type [%s]",op,sal_op_type_to_string(op->type));
if (op->pending_auth_transaction) belle_sip_object_unref(op->pending_auth_transaction);
sal_remove_pending_auth(op->base.root,op);
if (op->auth_info) {
sal_auth_info_delete(op->auth_info);
}
if (op->sdp_answer) belle_sip_object_unref(op->sdp_answer);
if (op->refresher) {
belle_sip_object_unref(op->refresher);
op->refresher=NULL;
}
if (op->result)
sal_media_description_unref(op->result);
if(op->replaces) belle_sip_object_unref(op->replaces);
if(op->referred_by) belle_sip_object_unref(op->referred_by);
if (op->pending_client_trans) belle_sip_object_unref(op->pending_client_trans);
if (op->pending_server_trans) belle_sip_object_unref(op->pending_server_trans);
if (op->pending_update_server_trans) belle_sip_object_unref(op->pending_update_server_trans);
if (op->event) belle_sip_object_unref(op->event);
sal_error_info_reset(&op->error_info);
__sal_op_free(op);
return ;
}
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);
}
}
static void register_refresher_listener (belle_sip_refresher_t* refresher
,void* user_pointer
,unsigned int status_code
,const char* reason_phrase) {
SalOp* op = (SalOp*)user_pointer;
belle_sip_response_t* response=belle_sip_transaction_get_response(BELLE_SIP_TRANSACTION(belle_sip_refresher_get_transaction(refresher)));
ms_message("Register refresher [%i] reason [%s] for proxy [%s]",status_code,reason_phrase,sal_op_get_proxy(op));
if (belle_sip_refresher_get_auth_events(refresher)) {
if (op->auth_info) sal_auth_info_delete(op->auth_info);
/*only take first one for now*/
op->auth_info=sal_auth_info_create((belle_sip_auth_event_t*)(belle_sip_refresher_get_auth_events(refresher)->data));
}
sal_error_info_set(&op->error_info,SalReasonUnknown,status_code,reason_phrase,NULL);
if (status_code>=200){
sal_op_assign_recv_headers(op,(belle_sip_message_t*)response);
}
if(status_code == 200) {
/*check service route rfc3608*/
belle_sip_header_service_route_t* service_route;
belle_sip_header_address_t* service_route_address=NULL;
belle_sip_header_contact_t *contact = belle_sip_refresher_get_contact(refresher);
if ((service_route=belle_sip_message_get_header_by_type(response,belle_sip_header_service_route_t))) {
service_route_address=belle_sip_header_address_create(NULL,belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(service_route)));
}
sal_op_set_service_route(op,(const SalAddress*)service_route_address);
if (service_route_address) belle_sip_object_unref(service_route_address);
sal_remove_pending_auth(op->base.root,op); /*just in case*/
if (contact) {
sal_op_set_contact_address(op,(SalAddress*)(BELLE_SIP_HEADER_ADDRESS(contact))); /*update contact with real value*/
}
op->base.root->callbacks.register_success(op,belle_sip_refresher_get_expires(op->refresher)>0);
} else if (status_code>=400) {
/* from rfc3608, 6.1.
If the UA refreshes the registration, the stored value of the Service-
Route is updated according to the Service-Route header field of the
latest 200 class response. If there is no Service-Route header field
in the response, the UA clears any service route for that address-
of-record previously stored by the UA. If the re-registration
request is refused or if an existing registration expires and the UA
chooses not to re-register, the UA SHOULD discard any stored service
route for that address-of-record. */
sal_op_set_service_route(op,NULL);
sal_op_ref(op); /*take a ref while invoking the callback to make sure the operations done after are valid*/
op->base.root->callbacks.register_failure(op);
if (op->state!=SalOpStateTerminated && op->auth_info) {
/*add pending auth*/
sal_add_pending_auth(op->base.root,op);
if (status_code==403 || status_code==401 || status_code==407 )
op->base.root->callbacks.auth_failure(op,op->auth_info);
}
sal_op_unref(op);
}
}
static void register_refresher_listener ( const belle_sip_refresher_t* refresher
,void* user_pointer
,unsigned int status_code
,const char* reason_phrase) {
SalOp* op = (SalOp*)user_pointer;
SalError sal_err;
SalReason sal_reason;
belle_sip_response_t* response=belle_sip_transaction_get_response(BELLE_SIP_TRANSACTION(belle_sip_refresher_get_transaction(refresher)));
ms_message("Register refresher [%i] reason [%s] for proxy [%s]",status_code,reason_phrase,sal_op_get_proxy(op));
/*fix contact if needed*/
if (op->base.root->nat_helper_enabled && belle_sip_refresher_get_nated_contact(refresher)) {
belle_sip_header_address_t* contact_address = BELLE_SIP_HEADER_ADDRESS(belle_sip_object_clone(BELLE_SIP_OBJECT(belle_sip_refresher_get_nated_contact(refresher))));
sal_op_set_contact_address(op,(SalAddress*)contact_address);
belle_sip_object_unref(contact_address);
}
if (belle_sip_refresher_get_auth_events(refresher)) {
if (op->auth_info) sal_auth_info_delete(op->auth_info);
/*only take first one for now*/
op->auth_info=sal_auth_info_create((belle_sip_auth_event_t*)(belle_sip_refresher_get_auth_events(refresher)->data));
}
if(status_code == 200) {
/*check service route rfc3608*/
belle_sip_header_service_route_t* service_route;
belle_sip_header_address_t* service_route_address=NULL;
if ((service_route=belle_sip_message_get_header_by_type(response,belle_sip_header_service_route_t))) {
service_route_address=belle_sip_header_address_create(NULL,belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(service_route)));
}
sal_op_set_service_route(op,(const SalAddress*)service_route_address);
if (service_route_address) belle_sip_object_unref(service_route_address);
sal_remove_pending_auth(op->base.root,op); /*just in case*/
op->base.root->callbacks.register_success(op,belle_sip_refresher_get_expires(op->refresher)>0);
} else if (status_code>=400) {
/* from rfc3608, 6.1.
If the UA refreshes the registration, the stored value of the Service-
Route is updated according to the Service-Route header field of the
latest 200 class response. If there is no Service-Route header field
in the response, the UA clears any service route for that address-
of-record previously stored by the UA. If the re-registration
request is refused or if an existing registration expires and the UA
chooses not to re-register, the UA SHOULD discard any stored service
route for that address-of-record. */
sal_op_set_service_route(op,NULL);
sal_compute_sal_errors_from_code(status_code,&sal_err,&sal_reason);
op->base.root->callbacks.register_failure(op,sal_err,sal_reason,reason_phrase);
if (op->auth_info) {
/*add pending auth*/
sal_add_pending_auth(op->base.root,op);
}
}
}
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);
}
}
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* remote_contact = belle_sip_message_get_header_by_type(response, belle_sip_header_contact_t);
if (op->state == SalOpStateTerminated) {
belle_sip_message("Op is terminated, nothing to do with this [%i]",response_code);
return;
}
/*do it all the time, since we can receive provisional responses from a different instance than the final one*/
sal_op_set_remote_ua(op,BELLE_SIP_MESSAGE(response));
if(remote_contact) {
__sal_op_set_remote_contact(op, belle_sip_header_get_unparsed_value(BELLE_SIP_HEADER(remote_contact)));
}
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 && op->callbacks->process_response_event) {
/*handle authorization*/
switch (response_code) {
case 200:
break;
case 401:
case 407:
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;
}
if (++op->auth_requests > 2) {
ms_warning("Auth info cannot be found for op [%s/%s] after 2 attempts, giving up",sal_op_get_from(op)
,sal_op_get_to(op));
op->base.root->callbacks.auth_failure(op,op->auth_info);
sal_remove_pending_auth(op->base.root,op);
} else {
op->pending_auth_transaction=(belle_sip_client_transaction_t*)belle_sip_object_ref(client_transaction);
sal_process_authentication(op);
return;
}
}
break;
case 403:
if (op->auth_info) op->base.root->callbacks.auth_failure(op,op->auth_info);
break;
}
if (response_code >= 180 && response_code !=401 && response_code !=407 && response_code !=403) {
/*not an auth request*/
op->auth_requests=0;
}
op->callbacks->process_response_event(op,event);
} else {
ms_error("Unhandled event response [%p]",event);
}
}
}
