WolfSSL
/
wolfssl-examples
mirror of https://github.com/wolfSSL/wolfssl-examples.git
1
0
Fork 0
Code Issues Releases Wiki Activity

dtls: use USE_DTLS12 to compile some DTLS 1.3 examples to use DTLS 1.2

pull/323/head
Juliusz Sosinowicz 2022-06-30 17:00:12 +02:00
parent 656762d313
commit ccd205db81
2 changed files with 34 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
dtls/client-dtls13.c
View File

@ -23,6 +23,10 @@
*
* Bare-bones example of a DTLS 1.3 client for instructional/learning purposes.
* This example uses blocking sockets for simplicity.
*
* To exit the sending loop enter "end" or Ctrl+D
*
* Define USE_DTLS12 to use DTLS 1.2 instead of DTLS 1.3
*/
#include <wolfssl/options.h>
@ -68,7 +72,13 @@ int main (int argc, char** argv)
/* No-op when debugging is not compiled in */
wolfSSL_Debugging_ON();
if ( (ctx = wolfSSL_CTX_new(wolfDTLSv1_3_client_method())) == NULL) {
if ( (ctx = wolfSSL_CTX_new(
#ifndef USE_DTLS12
wolfDTLSv1_3_client_method()
#else
wolfDTLSv1_2_client_method()
#endif
)) == NULL) {
fprintf(stderr, "wolfSSL_CTX_new error.\n");
goto cleanup;
}

29
dtls/server-dtls13-event.c
View File

@ -24,6 +24,8 @@
* purposes. This example can handle multiple simultaneous connections by using
* the libevent library to handle the event loop. Please note that this example
* is not thread safe as access to global objects is not protected.
*
* Define USE_DTLS12 to use DTLS 1.2 instead of DTLS 1.3
*/
#include <wolfssl/options.h>
@ -90,7 +92,13 @@ int main(int argc, char** argv)
wolfSSL_Debugging_ON();
/* Set ctx to DTLS 1.3 */
if ((ctx = wolfSSL_CTX_new(wolfDTLSv1_3_server_method())) == NULL) {
if ((ctx = wolfSSL_CTX_new(
#ifndef USE_DTLS12
wolfDTLSv1_3_server_method()
#else
wolfDTLSv1_2_server_method()
#endif
)) == NULL) {
fprintf(stderr, "wolfSSL_CTX_new error.\n");
goto cleanup;
}
@ -205,8 +213,6 @@ cleanup:
static int newPendingSSL(void)
{
/* Applications should update this secret periodically */
char *secret = "My secret";
WOLFSSL* ssl;
/* Create the pending WOLFSSL Object */
@ -235,11 +241,18 @@ static int newPendingSSL(void)
return 0;
}
if (wolfSSL_send_hrr_cookie(ssl, (byte*)secret, strlen(secret)) != WOLFSSL_SUCCESS) {
fprintf(stderr, "wolfSSL_set_fd error.\n");
#ifndef USE_DTLS12
{
/* Applications should update this secret periodically */
char *secret = "My secret";
if (wolfSSL_send_hrr_cookie(ssl, (byte*)secret, strlen(secret))
!= WOLFSSL_SUCCESS) {
fprintf(stderr, "wolfSSL_send_hrr_cookie error.\n");
wolfSSL_free(ssl);
return 0;
}
}
#endif
pendingSSL = ssl;
@ -273,6 +286,7 @@ static void newConn(evutil_socket_t fd, short events, void* arg)
static void setHsTimeout(WOLFSSL* ssl, struct timeval *tv)
{
int timeout = wolfSSL_dtls_get_current_timeout(ssl);
#ifndef USE_DTLS12
if (wolfSSL_dtls13_use_quick_timeout(ssl)) {
if (timeout >= QUICK_MULT)
tv->tv_sec = timeout / QUICK_MULT;
@ -280,6 +294,7 @@ static void setHsTimeout(WOLFSSL* ssl, struct timeval *tv)
tv->tv_usec = timeout * 1000000 / QUICK_MULT;
}
else
#endif
tv->tv_sec = timeout;
}
@ -290,7 +305,6 @@ static int chGoodCb(WOLFSSL* ssl, void* arg)
struct sockaddr_in cliaddr; /* the client's address */
socklen_t cliLen = sizeof(cliaddr);
conn_ctx* connCtx = (conn_ctx*)calloc(1, sizeof(conn_ctx));
int timeout = wolfSSL_dtls_get_current_timeout(ssl);
struct timeval tv;
(void)arg;
@ -322,7 +336,7 @@ static int chGoodCb(WOLFSSL* ssl, void* arg)
}
if (wolfSSL_set_dtls_fd_connected(ssl, fd) != WOLFSSL_SUCCESS) {
fprintf(stderr, "wolfSSL_set_fd error.\n");
fprintf(stderr, "wolfSSL_set_dtls_fd_connected error.\n");
goto error;
}
@ -376,7 +390,6 @@ static void dataReady(evutil_socket_t fd, short events, void* arg)
conn_ctx* connCtx = (conn_ctx*)arg;
int ret;
int err;
int timeout;
struct timeval tv;
char msg[100];
int msgSz;