belle_sip_header_contact_t* sal_op_create_contact(SalOp *op){
belle_sip_header_contact_t* contact_header;
belle_sip_uri_t* contact_uri;
if (sal_op_get_contact_address(op)) {
contact_header = belle_sip_header_contact_create(BELLE_SIP_HEADER_ADDRESS(sal_op_get_contact_address(op)));
} else {
contact_header= belle_sip_header_contact_new();
}
if (!(contact_uri=belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(contact_header)))) {
/*no uri, just creating a new one*/
contact_uri=belle_sip_uri_new();
belle_sip_header_address_set_uri(BELLE_SIP_HEADER_ADDRESS(contact_header),contact_uri);
}
belle_sip_uri_set_user_password(contact_uri,NULL);
belle_sip_uri_set_secure(contact_uri,sal_op_is_secure(op));
if (op->privacy!=SalPrivacyNone){
belle_sip_uri_set_user(contact_uri,NULL);
}
belle_sip_header_contact_set_automatic(contact_header,op->base.root->auto_contacts);
if (op->base.root->uuid){
if (belle_sip_parameters_has_parameter(BELLE_SIP_PARAMETERS(contact_header),"+sip.instance")==0){
char *instance_id=belle_sip_strdup_printf("\"<urn:uuid:%s>\"",op->base.root->uuid);
belle_sip_parameters_set_parameter(BELLE_SIP_PARAMETERS(contact_header),"+sip.instance",instance_id);
belle_sip_free(instance_id);
}
}
return contact_header;
}
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;
}
void sal_address_set_param(SalAddress *addr,const char* name,const char* value){
belle_sip_parameters_t* parameters = BELLE_SIP_PARAMETERS(addr);
belle_sip_parameters_set_parameter(parameters,name,value);
return ;
}
void belle_sip_uri_set_header(belle_sip_uri_t* uri,const char* name,const char* value) {
belle_sip_parameters_set_parameter(uri->header_list,name,value);
}
void sal_address_set_uri_param(SalAddress *addr, const char *name, const char *value) {
belle_sip_parameters_t* parameters = BELLE_SIP_PARAMETERS(belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(addr)));
belle_sip_parameters_set_parameter(parameters, name, value);
}
