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Merge pull request #2318 from SparkiDev/server_fuzz

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Changes to server example for fuzz testing
This commit is contained in:
toddouska
2019-07-08 13:16:17 -07:00
committed by GitHub
parent 36920b1469 373bbf6660
commit bd40a59f3e
1 changed files with 19 additions and 1 deletions
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20
examples/server/server.c
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@@ -453,6 +453,10 @@ static void ServerRead(WOLFSSL* ssl, char* input, int inputLen)
err_sys_ex(runWithErrors, "SSL_read failed");
}
}
else if (SSL_get_error(ssl, 0) == 0 &&
tcp_select(SSL_get_fd(ssl), 0) == TEST_RECV_READY) {
err = WOLFSSL_ERROR_WANT_READ;
}
} while (err == WC_PENDING_E || err == WOLFSSL_ERROR_WANT_READ);
if (ret > 0) {
input[ret] = 0; /* null terminate message */
@@ -464,10 +468,19 @@ static void ServerWrite(WOLFSSL* ssl, const char* output, int outputLen)
{
int ret, err;
char buffer[WOLFSSL_MAX_ERROR_SZ];
int len;
#ifdef OPENSSL_ALL
/* Fuzz testing expects reply split over two msgs when TLSv1.0 or below */
if (wolfSSL_GetVersion(ssl) <= WOLFSSL_TLSV1)
len = outputLen / 2;
else
#endif
len = outputLen;
do {
err = 0; /* reset error */
ret = SSL_write(ssl, output, outputLen);
ret = SSL_write(ssl, output, len);
if (ret <= 0) {
err = SSL_get_error(ssl, 0);
@@ -478,6 +491,11 @@ static void ServerWrite(WOLFSSL* ssl, const char* output, int outputLen)
}
#endif
}
else if (ret != outputLen) {
output += ret;
len = (outputLen -= ret);
err = WOLFSSL_ERROR_WANT_WRITE;
}
} while (err == WC_PENDING_E || err == WOLFSSL_ERROR_WANT_WRITE);
if (ret != outputLen) {
printf("SSL_write msg error %d, %s\n", err,