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Revision 098f27f9ef8be2a418f76896ee3c824e8709fcf7 authored by Matt Caswell on 17 October 2023, 13:55:48 UTC, committed by Tomas Mraz on 19 October 2023, 09:54:44 UTC
Ignore ping deadline when calculating tick deadline if we can't send
If the CC TX allowance is zero then we cannot send a PING frame at the
moment, so do not take into account the ping deadline when calculating the
tick deadline in that case.

This avoids the hang found by the fuzzer mentioned in
https://github.com/openssl/openssl/pull/22368#issuecomment-1765131727

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22410)
1 parent 56e3032
Raw File
mdc2_internal_test.c
/*
 * Copyright 2016-2020 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 can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

/* Internal tests for the mdc2 module */

/*
 * MDC2 low level APIs are deprecated for public use, but still ok for
 * internal use.
 */
#include "internal/deprecated.h"

#include <stdio.h>
#include <string.h>

#include <openssl/mdc2.h>
#include "testutil.h"
#include "internal/nelem.h"

typedef struct {
    const char *input;
    const unsigned char expected[MDC2_DIGEST_LENGTH];
} TESTDATA;


/**********************************************************************
 *
 * Test driver
 *
 ***/

static TESTDATA tests[] = {
    {
        "Now is the time for all ",
        {
            0x42, 0xE5, 0x0C, 0xD2, 0x24, 0xBA, 0xCE, 0xBA,
            0x76, 0x0B, 0xDD, 0x2B, 0xD4, 0x09, 0x28, 0x1A
        }
    }
};

/**********************************************************************
 *
 * Test of mdc2 internal functions
 *
 ***/

static int test_mdc2(int idx)
{
    unsigned char md[MDC2_DIGEST_LENGTH];
    MDC2_CTX c;
    const TESTDATA testdata = tests[idx];

    MDC2_Init(&c);
    MDC2_Update(&c, (const unsigned char *)testdata.input,
                strlen(testdata.input));
    MDC2_Final(&(md[0]), &c);

    if (!TEST_mem_eq(testdata.expected, MDC2_DIGEST_LENGTH,
                     md, MDC2_DIGEST_LENGTH)) {
        TEST_info("mdc2 test %d: unexpected output", idx);
        return 0;
    }

    return 1;
}

int setup_tests(void)
{
    ADD_ALL_TESTS(test_mdc2, OSSL_NELEM(tests));
    return 1;
}
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