static int init_server(dtls_listener_relay_server_type* server, const char* ifname, const char *local_address, int port, int verbose, ioa_engine_handle e, turn_turnserver *ts) { if(!server) return -1; server->dtls_ctx = e->dtls_ctx; server->ts = ts; server->children_ss = ur_addr_map_create(65535); if(ifname) STRCPY(server->ifname,ifname); if(make_ioa_addr((const u08bits*)local_address, port, &server->addr)<0) { TURN_LOG_FUNC(TURN_LOG_LEVEL_ERROR,"Cannot create a UDP/DTLS listener for address: %s\n",local_address); return -1; } server->slen0 = get_ioa_addr_len(&(server->addr)); server->verbose=verbose; server->e = e; TURN_LOG_FUNC(TURN_LOG_LEVEL_INFO,"IO method: %s\n",event_base_get_method(server->e->event_base)); if(server->dtls_ctx) { #if defined(REQUEST_CLIENT_CERT) /* If client has to authenticate, then */ SSL_CTX_set_verify(server->dtls_ctx, SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, dtls_verify_callback); #endif SSL_CTX_set_read_ahead(server->dtls_ctx, 1); #if !defined(TURN_NO_DTLS) SSL_CTX_set_cookie_generate_cb(server->dtls_ctx, generate_cookie); SSL_CTX_set_cookie_verify_cb(server->dtls_ctx, verify_cookie); #endif } return create_server_socket(server); }
static void udp_server_input_handler(evutil_socket_t fd, short what, void* arg) { if(!(what&EV_READ)) return; ioa_addr *addr = (ioa_addr*)arg; int len = 0; int slen = get_ioa_addr_len(addr); stun_buffer buffer; ioa_addr remote_addr; do { len = recvfrom(fd, buffer.buf, sizeof(buffer.buf)-1, 0, (struct sockaddr*) &remote_addr, (socklen_t*) &slen); } while(len<0 && ((errno==EINTR)||(errno==EAGAIN))); buffer.len=len; if(len>=0) { do { len = sendto(fd, buffer.buf, len, 0, (const struct sockaddr*) &remote_addr, (socklen_t) slen); } while (len < 0 && ((errno == EINTR) || (errno == ENOBUFS) || (errno == EAGAIN))); } }
static int init_server(dtls_listener_relay_server_type* server, const char* ifname, const char *local_address, int port, int verbose, ioa_engine_handle e, turn_turnserver *ts, int report_creation, ioa_engine_new_connection_event_handler send_socket) { if(!server) return -1; #if DTLS_SUPPORTED server->dtls_ctx = e->dtls_ctx; #if DTLSv1_2_SUPPORTED server->dtls_ctx_v1_2 = e->dtls_ctx_v1_2; #endif #endif server->ts = ts; server->connect_cb = send_socket; if(ifname) STRCPY(server->ifname,ifname); if(make_ioa_addr((const u08bits*)local_address, port, &server->addr)<0) { TURN_LOG_FUNC(TURN_LOG_LEVEL_ERROR,"Cannot create a DTLS/UDP listener for address: %s\n",local_address); return -1; } server->slen0 = get_ioa_addr_len(&(server->addr)); server->verbose=verbose; server->e = e; #if DTLS_SUPPORTED if(server->dtls_ctx) { #if defined(REQUEST_CLIENT_CERT) /* If client has to authenticate, then */ SSL_CTX_set_verify(server->dtls_ctx, SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, dtls_verify_callback); #endif SSL_CTX_set_read_ahead(server->dtls_ctx, 1); SSL_CTX_set_cookie_generate_cb(server->dtls_ctx, generate_cookie); SSL_CTX_set_cookie_verify_cb(server->dtls_ctx, verify_cookie); } #if DTLSv1_2_SUPPORTED if(server->dtls_ctx_v1_2) { #if defined(REQUEST_CLIENT_CERT) /* If client has to authenticate, then */ SSL_CTX_set_verify(server->dtls_ctx_v1_2, SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, dtls_verify_callback); #endif SSL_CTX_set_read_ahead(server->dtls_ctx_v1_2, 1); SSL_CTX_set_cookie_generate_cb(server->dtls_ctx_v1_2, generate_cookie); SSL_CTX_set_cookie_verify_cb(server->dtls_ctx_v1_2, verify_cookie); } #endif #endif return create_server_socket(server, report_creation); }