blob: d25fb826ba0cde167e457732897daf36d94ec1cb [file] [log] [blame] [edit]
/* Copyright (c) 2016, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <stdio.h>
#include <openssl/mem.h>
#include <openssl/ssl.h>
struct GlobalState {
GlobalState() : ctx(SSL_CTX_new(TLS_method())) {}
bssl::UniquePtr<SSL_CTX> ctx;
};
static GlobalState g_state;
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
// Parse in our session.
bssl::UniquePtr<SSL_SESSION> session(
SSL_SESSION_from_bytes(buf, len, g_state.ctx.get()));
// If the format was invalid, just return.
if (!session) {
return 0;
}
// Stress the encoder.
size_t encoded_len;
uint8_t *encoded;
if (!SSL_SESSION_to_bytes(session.get(), &encoded, &encoded_len)) {
fprintf(stderr, "SSL_SESSION_to_bytes failed.\n");
return 1;
}
OPENSSL_free(encoded);
return 0;
}