static void add_headers(SalOp *op, belle_sip_header_t *h, belle_sip_message_t *msg){
if (BELLE_SIP_OBJECT_IS_INSTANCE_OF(h,belle_sip_header_contact_t)){
belle_sip_header_contact_t* newct;
/*special case for contact, we want to keep everything from the custom contact but set automatic mode and add our own parameters as well*/
sal_op_set_contact_address(op,(SalAddress*)BELLE_SIP_HEADER_ADDRESS(h));
newct = sal_op_create_contact(op);
belle_sip_message_set_header(BELLE_SIP_MESSAGE(msg),BELLE_SIP_HEADER(newct));
return;
}
/*if a header already exists in the message, replace it*/
belle_sip_message_set_header(msg,h);
}
int sal_register(SalOp *op, const char *proxy, const char *from, int expires){
belle_sip_request_t *req;
belle_sip_uri_t* req_uri;
op->type=SalOpRegister;
sal_op_set_from(op,from);
sal_op_set_to(op,from);
sal_op_set_route(op,proxy);
req = sal_op_build_request(op,"REGISTER");
req_uri = belle_sip_request_get_uri(req);
belle_sip_uri_set_user(req_uri,NULL); /*remove userinfo if any*/
if (op->base.root->use_dates){
time_t curtime=time(NULL);
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),BELLE_SIP_HEADER(belle_sip_header_date_create_from_time(&curtime)));
}
belle_sip_message_set_header(BELLE_SIP_MESSAGE(req),(belle_sip_header_t*)sal_op_create_contact(op));
return sal_op_send_and_create_refresher(op,req,expires,register_refresher_listener);
}
int sal_register(SalOp *op, const char *proxy, const char *from, int expires,SalAddress* old_contact){
belle_sip_request_t *req;
belle_sip_uri_t* req_uri;
belle_sip_header_t* accept_header;
if (op->refresher){
belle_sip_refresher_stop(op->refresher);
belle_sip_object_unref(op->refresher);
op->refresher=NULL;
}
op->type=SalOpRegister;
sal_op_set_from(op,from);
sal_op_set_to(op,from);
sal_op_set_route(op,proxy);
req = sal_op_build_request(op,"REGISTER");
req_uri = belle_sip_request_get_uri(req);
belle_sip_uri_set_user(req_uri,NULL); /*remove userinfo if any*/
if (op->base.root->use_dates){
time_t curtime=time(NULL);
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),BELLE_SIP_HEADER(belle_sip_header_date_create_from_time(&curtime)));
}
accept_header = belle_sip_header_create("Accept", "application/sdp, text/plain, application/vnd.gsma.rcs-ft-http+xml");
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req), accept_header);
belle_sip_message_set_header(BELLE_SIP_MESSAGE(req),(belle_sip_header_t*)sal_op_create_contact(op));
if (old_contact) {
belle_sip_header_contact_t *contact=belle_sip_header_contact_create((const belle_sip_header_address_t *)old_contact);
if (contact) {
char * tmp;
belle_sip_header_contact_set_expires(contact,0); /*remove old aor*/
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req), BELLE_SIP_HEADER(contact));
tmp = belle_sip_object_to_string(contact);
ms_message("Clearing contact [%s] for op [%p]",tmp,op);
ms_free(tmp);
} else {
ms_error("Cannot add old contact header to op [%p]",op);
}
}
return sal_op_send_and_create_refresher(op,req,expires,register_refresher_listener);
}
static int _sal_op_send_request_with_contact(SalOp* op, belle_sip_request_t* request, bool_t add_contact) {
belle_sip_client_transaction_t* client_transaction;
belle_sip_provider_t* prov=op->base.root->prov;
belle_sip_uri_t* outbound_proxy=NULL;
belle_sip_header_contact_t* contact;
int result =-1;
belle_sip_uri_t *next_hop_uri=NULL;
if (add_contact && !belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(request),belle_sip_header_contact_t)) {
contact = sal_op_create_contact(op);
belle_sip_message_set_header(BELLE_SIP_MESSAGE(request),BELLE_SIP_HEADER(contact));
} /*keep existing*/
_sal_op_add_custom_headers(op, (belle_sip_message_t*)request);
if (!op->dialog || belle_sip_dialog_get_state(op->dialog) == BELLE_SIP_DIALOG_NULL) {
/*don't put route header if dialog is in confirmed state*/
const MSList *elem=sal_op_get_route_addresses(op);
const char *transport;
const char *method=belle_sip_request_get_method(request);
belle_sip_listening_point_t *udplp=belle_sip_provider_get_listening_point(prov,"UDP");
if (elem) {
outbound_proxy=belle_sip_header_address_get_uri((belle_sip_header_address_t*)elem->data);
next_hop_uri=outbound_proxy;
}else{
next_hop_uri=(belle_sip_uri_t*)belle_sip_object_clone((belle_sip_object_t*)belle_sip_request_get_uri(request));
}
transport=belle_sip_uri_get_transport_param(next_hop_uri);
if (transport==NULL){
/*compatibility mode: by default it should be udp as not explicitely set and if no udp listening point is available, then use
* the first available transport*/
if (!belle_sip_uri_is_secure(next_hop_uri)){
if (udplp==NULL){
if (belle_sip_provider_get_listening_point(prov,"TCP")!=NULL){
transport="tcp";
}else if (belle_sip_provider_get_listening_point(prov,"TLS")!=NULL ){
transport="tls";
}
}
if (transport){
belle_sip_message("Transport is not specified, using %s because UDP is not available.",transport);
belle_sip_uri_set_transport_param(next_hop_uri,transport);
}
}
}else{
#ifdef TUNNEL_ENABLED
if (udplp && BELLE_SIP_OBJECT_IS_INSTANCE_OF(udplp,belle_sip_tunnel_listening_point_t)){
/* our tunnel mode only supports UDP. Force transport to be set to UDP */
belle_sip_uri_set_transport_param(next_hop_uri,"udp");
}
#endif
}
if ((strcmp(method,"REGISTER")==0 || strcmp(method,"SUBSCRIBE")==0) && transport &&
(strcasecmp(transport,"TCP")==0 || strcasecmp(transport,"TLS")==0)){
/*RFC 5923: add 'alias' parameter to tell the server that we want it to keep the connection for future requests*/
belle_sip_header_via_t *via=belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(request),belle_sip_header_via_t);
belle_sip_parameters_set_parameter(BELLE_SIP_PARAMETERS(via),"alias",NULL);
}
}
client_transaction = belle_sip_provider_create_client_transaction(prov,request);
belle_sip_transaction_set_application_data(BELLE_SIP_TRANSACTION(client_transaction),sal_op_ref(op));
if (op->pending_client_trans) belle_sip_object_unref(op->pending_client_trans);
op->pending_client_trans=client_transaction; /*update pending inv for being able to cancel*/
belle_sip_object_ref(op->pending_client_trans);
if (belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(request),belle_sip_header_user_agent_t)==NULL)
belle_sip_message_add_header(BELLE_SIP_MESSAGE(request),BELLE_SIP_HEADER(op->base.root->user_agent));
if (!belle_sip_message_get_header(BELLE_SIP_MESSAGE(request),BELLE_SIP_AUTHORIZATION)
&& !belle_sip_message_get_header(BELLE_SIP_MESSAGE(request),BELLE_SIP_PROXY_AUTHORIZATION)) {
/*hmm just in case we already have authentication param in cache*/
belle_sip_provider_add_authorization(op->base.root->prov,request,NULL,NULL,NULL,op->base.realm);
}
result = belle_sip_client_transaction_send_request_to(client_transaction,next_hop_uri/*might be null*/);
/*update call id if not set yet for this OP*/
if (result == 0 && !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(request), belle_sip_header_call_id_t))));
}
return result;
}