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DTLS non-blocking scrwith example

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This commit is contained in:
Juliusz Sosinowicz
2020-08-25 11:26:20 +02:00
parent d077efcbb3
commit 8b934624f5
6 changed files with 119 additions and 18 deletions
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52
examples/client/client.c
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@@ -856,7 +856,8 @@ static int ClientWrite(WOLFSSL* ssl, const char* msg, int msgSz, const char* str
}
#endif
}
} while (err == WOLFSSL_ERROR_WANT_WRITE
} while (err == WOLFSSL_ERROR_WANT_WRITE ||
err == WOLFSSL_ERROR_WANT_READ
#ifdef WOLFSSL_ASYNC_CRYPT
|| err == WC_PENDING_E
#endif
@@ -3089,8 +3090,53 @@ THREAD_RETURN WOLFSSL_THREAD client_test(void* args)
#ifdef HAVE_SECURE_RENEGOTIATION
if (scr && forceScr) {
if (nonBlocking) {
printf("not doing secure renegotiation on example with"
" nonblocking yet\n");
if (!resumeScr) {
if ((ret = wolfSSL_Rehandshake(ssl)) != WOLFSSL_SUCCESS) {
err = wolfSSL_get_error(ssl, 0);
if (err == WOLFSSL_ERROR_WANT_READ ||
err == WOLFSSL_ERROR_WANT_WRITE) {
(void)ClientWrite(ssl,
"This is a fun message sent during renegotiation",
sizeof("This is a fun message sent during renegotiation"),
"", 1);
do {
if (err == APP_DATA_READY) {
if ((ret = wolfSSL_read(ssl, reply, sizeof(reply)-1)) < 0) {
err_sys("APP DATA should be present but error returned");
}
printf("Received message: %s\n", reply);
}
err = 0;
if ((ret = wolfSSL_connect(ssl)) != WOLFSSL_SUCCESS) {
err = wolfSSL_get_error(ssl, ret);
}
} while (ret != WOLFSSL_SUCCESS &&
(err == WOLFSSL_ERROR_WANT_READ ||
err == WOLFSSL_ERROR_WANT_WRITE ||
err == APP_DATA_READY));
if (ret != WOLFSSL_SUCCESS) {
err = wolfSSL_get_error(ssl, 0);
printf("wolfSSL_Rehandshake error %d, %s\n", err,
wolfSSL_ERR_error_string(err, buffer));
wolfSSL_free(ssl); ssl = NULL;
wolfSSL_CTX_free(ctx); ctx = NULL;
err_sys("non-blocking wolfSSL_Rehandshake failed");
}
printf("NON-BLOCKING RENEGOTIATION SUCCESSFUL\n");
}
else {
printf("wolfSSL_Rehandshake error %d, %s\n", err,
wolfSSL_ERR_error_string(err, buffer));
wolfSSL_free(ssl); ssl = NULL;
wolfSSL_CTX_free(ctx); ctx = NULL;
err_sys("non-blocking wolfSSL_Rehandshake failed");
}
}
}
else {
printf("not doing secure resumption with non-blocking");
}
} else {
if (!resumeScr) {
printf("Beginning secure renegotiation.\n");