static int is_contact_address_acurate(const belle_sip_refresher_t* refresher,belle_sip_request_t* request) {
belle_sip_header_contact_t* contact;
if ((contact = get_first_contact_in_unknown_state(request))){
/*check if contact ip/port is consistant with public channel ip/port*/
int channel_public_port = refresher->transaction->base.channel->public_port;
int contact_port = belle_sip_uri_get_listening_port(belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(contact)));
const char* channel_public_ip = refresher->transaction->base.channel->public_ip;
const char* contact_ip = belle_sip_uri_get_host(belle_sip_header_address_get_uri(BELLE_SIP_HEADER_ADDRESS(contact)));
if (channel_public_port == contact_port
&& channel_public_ip && contact_ip
&& strcmp(channel_public_ip,contact_ip) == 0) {
/*nothing to do contact is accurate*/
belle_sip_header_contact_set_unknown(contact,FALSE);
return TRUE;
} else {
belle_sip_message("Refresher [%p]: contact address [%s:%i] does not match channel address[%s:%i] on channel [%p]" ,refresher
,contact_ip
,contact_port
,channel_public_ip
,channel_public_port
,refresher->transaction->base.channel);
return FALSE;
}
} else {
belle_sip_message("Refresher [%p]: has no contact for request [%p].", refresher,request);
return TRUE;
}
}
static int belle_sip_udp_listening_point_init_socket(belle_sip_udp_listening_point_t *lp){
int port=belle_sip_uri_get_listening_port(((belle_sip_listening_point_t*)lp)->listening_uri);
lp->sock=create_udp_socket(belle_sip_uri_get_host(((belle_sip_listening_point_t*)lp)->listening_uri)
,&port,&lp->base.ai_family);
if (lp->sock==(belle_sip_socket_t)-1){
return -1;
}
belle_sip_uri_set_port(((belle_sip_listening_point_t*)lp)->listening_uri,port);
if (lp->base.stack->dscp)
belle_sip_socket_set_dscp(lp->sock,lp->base.ai_family,lp->base.stack->dscp);
lp->source=belle_sip_socket_source_new((belle_sip_source_func_t)on_udp_data,lp,lp->sock,BELLE_SIP_EVENT_READ,-1);
belle_sip_main_loop_add_source(((belle_sip_listening_point_t*)lp)->stack->ml,lp->source);
return 0;
}
belle_sip_hop_t* belle_sip_hop_new_from_uri(const belle_sip_uri_t *uri){
const char *host;
const char *cname=NULL;
const char * transport=belle_sip_uri_get_transport_param(uri);
if (!transport) {
transport=belle_sip_uri_is_secure(uri)?"tls":"udp";
}
host=belle_sip_uri_get_maddr_param(uri);
if (!host) host=belle_sip_uri_get_host(uri);
else cname=belle_sip_uri_get_host(uri);
return belle_sip_hop_new( transport,
cname,
host,
belle_sip_uri_get_listening_port(uri));
}
int belle_sip_listening_point_get_port(const belle_sip_listening_point_t *lp){
return belle_sip_uri_get_listening_port(lp->listening_uri);
}
