actube/src/cw/dtls_openssl_connect.c

82 lines
1.5 KiB
C
Raw Normal View History

#include <openssl/err.h>
#include "dtls_openssl.h"
#include "log.h"
#include "dbg.h"
#include "cw_util.h"
#include "timer.h"
/*
static BIO_METHOD bio_methods = {
BIO_TYPE_DGRAM,
"cw packet",
dtls_openssl_bio_write,
dtls_openssl_bio_read,
dtls_openssl_bio_puts,
NULL, // dgram_gets
dtls_openssl_bio_ctrl,
dtls_openssl_bio_new,
dtls_openssl_bio_free,
NULL,
};
*/
unsigned int psk_client_cb(SSL * ssl,
const char *hint,
char *identity,
unsigned int max_identity_len,
unsigned char *psk, unsigned int max_psk_len)
{
BIO *b = SSL_get_rbio(ssl);
struct conn *conn = b->ptr;
// printf("KEYY: %s\n",conn->dtls_psk);
snprintf(identity, max_identity_len, "CLient_identity");
int l = conn->dtls_psk_len < max_psk_len ? conn->dtls_psk_len : max_psk_len;
memcpy(psk, conn->dtls_psk, l);
return l;
}
int dtls_openssl_connect(struct conn *conn)
{
if (!conn->dtls_data)
conn->dtls_data =
dtls_openssl_data_create(conn, DTLSv1_client_method(),
dtls_openssl_bio_method());
struct dtls_openssl_data *d = (struct dtls_openssl_data *) conn->dtls_data;
if (!d)
return 0;
// if (conn->dtls_psk)
// SSL_set_psk_client_callback(d->ssl, psk_client_cb);
int rc;
errno =0;
time_t timer = cw_timer_start(10);
do {
rc = SSL_connect(d->ssl);
}while(rc!=1 && errno==EAGAIN && !cw_timer_timeout(timer));
if (rc == 1) {
cw_dbg(DBG_DTLS,"SSL connect successfull!");
conn->read = dtls_openssl_read;
conn->write = dtls_openssl_write;
return 1;
}
rc = dtls_openssl_log_error(0, rc, "DTLS connect");
return 0;
}