Revision 85eb4f303f4fc9eb8edfd9be0f6f67d435af9972 authored by ha1215 on 23 April 2024, 01:54:36 UTC, committed by Tomas Mraz on 09 September 2024, 07:23:38 UTC
The possessive form of "Windows" has been updated from "Windows's" to "Windows'". The function call "a poll(2) call" has been specified as "a poll(2) system call" for clarity. The phrase "and supposed" has been corrected to "and was supposed" to improve sentence structure. The phrase "However Microsoft has" now includes a comma, revised to "However, Microsoft has" to enhance readability. The statement "Supporting these is a pain" has been adjusted to "Supporting these can be a pain" to better convey potential variability in user experience. CLA: trivial Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Paul Yang <kaishen.yy@antfin.com> Reviewed-by: Neil Horman <nhorman@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/24242)
1 parent a5cd06f
client.c
/*
* Copyright 2016-2022 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* https://www.openssl.org/source/license.html
* or in the file LICENSE in the source distribution.
*/
#include <time.h>
#include <openssl/rand.h>
#include <openssl/ssl.h>
#include <openssl/rsa.h>
#include <openssl/dsa.h>
#include <openssl/ec.h>
#include <openssl/dh.h>
#include <openssl/err.h>
#include "fuzzer.h"
/* unused, to avoid warning. */
static int idx;
#define FUZZTIME 1485898104
#define TIME_IMPL(t) { if (t != NULL) *t = FUZZTIME; return FUZZTIME; }
/*
* This might not work in all cases (and definitely not on Windows
* because of the way linkers are) and callees can still get the
* current time instead of the fixed time. This will just result
* in things not being fully reproducible and have a slightly
* different coverage.
*/
#if !defined(_WIN32)
time_t time(time_t *t) TIME_IMPL(t)
#endif
int FuzzerInitialize(int *argc, char ***argv)
{
STACK_OF(SSL_COMP) *comp_methods;
FuzzerSetRand();
OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS | OPENSSL_INIT_ASYNC, NULL);
OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL);
ERR_clear_error();
CRYPTO_free_ex_index(0, -1);
idx = SSL_get_ex_data_X509_STORE_CTX_idx();
comp_methods = SSL_COMP_get_compression_methods();
if (comp_methods != NULL)
sk_SSL_COMP_sort(comp_methods);
return 1;
}
int FuzzerTestOneInput(const uint8_t *buf, size_t len)
{
SSL *client = NULL;
BIO *in;
BIO *out;
SSL_CTX *ctx;
if (len == 0)
return 0;
/* This only fuzzes the initial flow from the client so far. */
ctx = SSL_CTX_new(SSLv23_method());
if (ctx == NULL)
goto end;
client = SSL_new(ctx);
if (client == NULL)
goto end;
OPENSSL_assert(SSL_set_min_proto_version(client, 0) == 1);
OPENSSL_assert(SSL_set_cipher_list(client, "ALL:eNULL:@SECLEVEL=0") == 1);
SSL_set_tlsext_host_name(client, "localhost");
in = BIO_new(BIO_s_mem());
if (in == NULL)
goto end;
out = BIO_new(BIO_s_mem());
if (out == NULL) {
BIO_free(in);
goto end;
}
SSL_set_bio(client, in, out);
SSL_set_connect_state(client);
OPENSSL_assert((size_t)BIO_write(in, buf, len) == len);
if (SSL_do_handshake(client) == 1) {
/* Keep reading application data until error or EOF. */
uint8_t tmp[1024];
for (;;) {
if (SSL_read(client, tmp, sizeof(tmp)) <= 0) {
break;
}
}
}
end:
SSL_free(client);
ERR_clear_error();
SSL_CTX_free(ctx);
return 0;
}
void FuzzerCleanup(void)
{
FuzzerClearRand();
}

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