Robert Sloan | 15073af | 2016-11-29 10:52:24 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2016, Google Inc. |
| 2 | * |
| 3 | * Permission to use, copy, modify, and/or distribute this software for any |
| 4 | * purpose with or without fee is hereby granted, provided that the above |
| 5 | * copyright notice and this permission notice appear in all copies. |
| 6 | * |
| 7 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 8 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 9 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 10 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 11 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| 12 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 13 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
| 14 | |
| 15 | #include <stdio.h> |
| 16 | |
| 17 | #include <openssl/mem.h> |
| 18 | #include <openssl/ssl.h> |
| 19 | |
Adam Langley | 46db7af | 2017-02-01 15:49:37 -0800 | [diff] [blame] | 20 | struct GlobalState { |
| 21 | GlobalState() : ctx(SSL_CTX_new(TLS_method())) {} |
| 22 | |
| 23 | bssl::UniquePtr<SSL_CTX> ctx; |
| 24 | }; |
| 25 | |
| 26 | static GlobalState g_state; |
| 27 | |
Adam Langley | b7d53ba | 2017-02-06 09:37:05 -0800 | [diff] [blame] | 28 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) { |
Robert Sloan | 15073af | 2016-11-29 10:52:24 -0800 | [diff] [blame] | 29 | // Parse in our session. |
Adam Langley | 46db7af | 2017-02-01 15:49:37 -0800 | [diff] [blame] | 30 | bssl::UniquePtr<SSL_SESSION> session( |
| 31 | SSL_SESSION_from_bytes(buf, len, g_state.ctx.get())); |
Robert Sloan | 15073af | 2016-11-29 10:52:24 -0800 | [diff] [blame] | 32 | |
| 33 | // If the format was invalid, just return. |
| 34 | if (!session) { |
| 35 | return 0; |
| 36 | } |
| 37 | |
| 38 | // Stress the encoder. |
| 39 | size_t encoded_len; |
| 40 | uint8_t *encoded; |
| 41 | if (!SSL_SESSION_to_bytes(session.get(), &encoded, &encoded_len)) { |
| 42 | fprintf(stderr, "SSL_SESSION_to_bytes failed.\n"); |
| 43 | return 1; |
| 44 | } |
| 45 | |
| 46 | OPENSSL_free(encoded); |
| 47 | return 0; |
| 48 | } |