int
get_psk_key(struct dtls_context_t *ctx,
const session_t *session,
const unsigned char *id, size_t id_len,
const dtls_psk_key_t **result) {
static const dtls_psk_key_t psk = {
.id = (unsigned char *)"Client_identity",
.id_length = 15,
.key = (unsigned char *)"secretPSK",
.key_length = 9
};
*result = &psk;
return 0;
}
PROCESS(udp_server_process, "UDP server process");
AUTOSTART_PROCESSES(&udp_server_process);
/*---------------------------------------------------------------------------*/
static void
dtls_handle_read(dtls_context_t *ctx) {
session_t session;
if(uip_newdata()) {
uip_ipaddr_copy(&session.addr, &UIP_IP_BUF->srcipaddr);
session.port = UIP_UDP_BUF->srcport;
session.size = sizeof(session.addr) + sizeof(session.port);
dtls_handle_message(ctx, &session, uip_appdata, uip_datalen());
}
}
int
get_key(struct dtls_context_t *ctx,
const session_t *session,
const unsigned char *id, size_t id_len,
const dtls_key_t **result) {
static const dtls_key_t psk = {
.type = DTLS_KEY_PSK,
.key.psk.id = (unsigned char *)"Client_identity",
.key.psk.id_length = 15,
.key.psk.key = (unsigned char *)"secretPSK",
.key.psk.key_length = 9
};
*result = &psk;
return 0;
}
PROCESS(udp_server_process, "UDP server process");
AUTOSTART_PROCESSES(&udp_server_process);
/*---------------------------------------------------------------------------*/
static void
dtls_handle_read(dtls_context_t *ctx) {
static session_t session;
if(uip_newdata()) {
uip_ipaddr_copy(&session.addr, &UIP_IP_BUF->srcipaddr);
session.port = UIP_UDP_BUF->srcport;
session.size = sizeof(session.addr) + sizeof(session.port);
((char *)uip_appdata)[uip_datalen()] = 0;
PRINTF("Client received message from ");
PRINT6ADDR(&session.addr);
PRINTF(":%d\n", uip_ntohs(session.port));
dtls_handle_message(ctx, &session, uip_appdata, uip_datalen());
}
}
/*---------------------------------------------------------------------------*/
static void
print_local_addresses(void)
{
int i;
uint8_t state;
PRINTF("Client IPv6 addresses: ");
for(i = 0; i < UIP_DS6_ADDR_NB; i++) {
state = uip_ds6_if.addr_list[i].state;
if(uip_ds6_if.addr_list[i].isused &&
(state == ADDR_TENTATIVE || state == ADDR_PREFERRED)) {
PRINT6ADDR(&uip_ds6_if.addr_list[i].ipaddr);
PRINTF("\n");
}
}
}
